/* roulang page: index */
:root {
            --color-bg-warm: #F6F2EC;
            --color-bg-light: #EFECE6;
            --color-surface: #FFFFFF;
            --color-surface-soft: #F9F7F2;
            --color-ink: #1C1A17;
            --color-ink-soft: #2A2725;
            --color-muted: #6B645B;
            --color-muted-light: #A0988C;
            --color-accent: #B07D44;
            --color-accent-deep: #96683A;
            --color-accent-soft: rgba(176, 125, 68, 0.12);
            --color-teal: #3F4B4A;
            --color-teal-soft: rgba(63, 75, 74, 0.08);
            --color-danger: #8C3A2B;
            --color-danger-soft: rgba(140, 58, 43, 0.1);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.04);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --shadow-nav: 0 2px 14px rgba(0,0,0,0.06);
            --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 88px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 42px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-bounce: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        }

        *, *::before, *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.72;
            color: var(--color-ink);
            background-color: var(--color-bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Section base ===== */
        .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
            position: relative;
        }
        @media (max-width: 991.98px) {
            .section {
                padding-top: var(--section-pad-tablet);
                padding-bottom: var(--section-pad-tablet);
            }
        }
        @media (max-width: 575.98px) {
            .section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }

        .bg-warm {
            background-color: var(--color-bg-warm);
        }
        .bg-light {
            background-color: var(--color-bg-light);
        }
        .bg-surface {
            background-color: var(--color-surface);
        }
        .bg-ink {
            background-color: var(--color-ink);
            color: #F0EAE2;
        }
        .bg-ink-soft {
            background-color: var(--color-ink-soft);
            color: #F0EAE2;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 750;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
        }
        .section-title .accent {
            color: var(--color-accent);
        }
        .section-lead {
            font-size: 1.02rem;
            line-height: 1.78;
            color: var(--color-muted);
            max-width: 720px;
            margin-bottom: 36px;
        }
        .bg-ink .section-title {
            color: #F0EAE2;
        }
        .bg-ink .section-lead {
            color: rgba(240, 234, 226, 0.72);
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-weight: 650;
            font-size: 0.96rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: var(--transition-bounce);
            position: relative;
            white-space: nowrap;
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-custom:active {
            transform: translateY(1px);
        }
        .btn-primary-custom {
            background-color: var(--color-accent);
            color: #FFFFFF;
        }
        .btn-primary-custom:hover {
            background-color: var(--color-accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(176, 125, 68, 0.18), 0 8px 24px rgba(176, 125, 68, 0.28);
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--color-ink);
            border: 1px solid rgba(28, 26, 23, 0.35);
        }
        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.08);
        }
        .btn-outline-custom.btn-on-dark {
            color: #F0EAE2;
            border-color: rgba(240, 234, 226, 0.45);
        }
        .btn-outline-custom.btn-on-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: calc(100% - 32px);
            max-width: var(--container-max);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-pill);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
            padding: 6px 12px;
            transition: var(--transition-bounce);
        }
        .navbar-custom.scrolled {
            box-shadow: var(--shadow-nav);
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.84);
        }
        .navbar-custom .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 52px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            white-space: nowrap;
        }
        .navbar-brand-custom .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 15px;
            flex-shrink: 0;
        }
        .navbar-brand-custom:hover {
            color: var(--color-ink);
        }
        .navbar-brand-custom .brand-text {
            color: var(--color-ink);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .navbar-links .nav-link-custom {
            padding: 8px 14px;
            font-size: 0.91rem;
            font-weight: 550;
            color: rgba(28, 26, 23, 0.75);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .navbar-links .nav-link-custom:hover {
            color: var(--color-accent);
        }
        .navbar-links .nav-link-custom.active {
            color: var(--color-accent);
            font-weight: 700;
        }
        .navbar-links .nav-link-custom.active::after {
            content: "";
            position: absolute;
            bottom: 3px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: var(--color-accent);
        }
        .navbar-cta {
            margin-left: 8px;
        }
        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            color: var(--color-ink);
            font-size: 1.5rem;
            padding: 6px 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        @media (max-width: 1199.98px) {
            .navbar-links .nav-link-custom {
                padding: 8px 10px;
                font-size: 0.86rem;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-custom {
                top: 10px;
                width: calc(100% - 20px);
                border-radius: var(--radius-lg);
                padding: 4px 8px;
            }
            .navbar-toggler-custom {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 42px;
                height: 42px;
            }
            .navbar-links {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: #FFFFFF;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                padding: 12px;
                gap: 2px;
            }
            .navbar-links.show {
                display: flex;
            }
            .navbar-links .nav-link-custom {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
                min-height: 48px;
                display: flex;
                align-items: center;
            }
            .navbar-links .nav-link-custom.active::after {
                display: none;
            }
            .navbar-links .nav-link-custom.active {
                background: var(--color-accent-soft);
            }
            .navbar-cta {
                margin-left: 0;
                margin-top: 6px;
            }
            .navbar-cta .btn-custom {
                width: 100%;
            }
        }
        @media (max-width: 575.98px) {
            .navbar-custom {
                top: 6px;
                width: calc(100% - 12px);
                border-radius: var(--radius-md);
            }
            .navbar-brand-custom {
                font-size: 1.05rem;
            }
            .navbar-brand-custom .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(to bottom, rgba(20, 18, 15, 0.82) 0%, rgba(28, 26, 23, 0.92) 55%, rgba(28, 26, 23, 0.98) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding-top: 100px;
            padding-bottom: 70px;
            color: #F0EAE2;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(circle at 20% 60%, rgba(176,125,68,0.12) 0%, transparent 40%),
                              radial-gradient(circle at 85% 30%, rgba(176,125,68,0.08) 0%, transparent 35%);
            pointer-events: none;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='0.04'/%3E%3C/svg%3E");
            pointer-events: none;
            opacity: 0.5;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            background: rgba(176, 125, 68, 0.18);
            border: 1px solid rgba(176, 125, 68, 0.35);
            font-size: 0.86rem;
            font-weight: 600;
            color: #E8CCAC;
            margin-bottom: 22px;
            letter-spacing: 0.04em;
        }
        .hero-title {
            font-size: clamp(2.3rem, 5vw, 4.1rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            color: #FFFFFF;
        }
        .hero-title .accent {
            color: #E0B27A;
        }
        .hero-desc {
            font-size: 1.06rem;
            line-height: 1.78;
            color: rgba(240, 234, 226, 0.8);
            max-width: 620px;
            margin-bottom: 24px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            margin-bottom: 28px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-value {
            font-size: 1.7rem;
            font-weight: 800;
            color: #E0B27A;
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(240, 234, 226, 0.65);
            margin-top: 2px;
        }
        .hero-progress-wrap {
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: rgba(240, 234, 226, 0.75);
            margin-bottom: 6px;
        }
        .hero-progress {
            height: 8px;
            background-color: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }
        .hero-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent) 0%, #D4A26A 100%);
            border-radius: var(--radius-pill);
            width: 72%;
            position: relative;
            transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .hero-progress-bar::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.25) 50%, transparent 100%);
            animation: shimmer 2.5s infinite;
        }
        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        @media (max-width: 767.98px) {
            .hero-section {
                min-height: 72vh;
                padding-top: 80px;
                padding-bottom: 48px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-custom {
                width: 100%;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 1.4rem;
            }
        }

        /* ===== Entry Matrix ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }
        .entry-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition-bounce);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(176, 125, 68, 0.25);
        }
        .entry-card-img {
            width: 100%;
            height: 110px;
            object-fit: cover;
            border-radius: 0;
        }
        .entry-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .entry-card-title {
            font-size: 1.04rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .entry-card-text {
            font-size: 0.87rem;
            line-height: 1.55;
            color: var(--color-muted);
            margin-bottom: 12px;
            flex: 1;
        }
        .entry-card-link {
            font-size: 0.88rem;
            font-weight: 650;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .entry-card-link:hover {
            color: var(--color-accent-deep);
            gap: 8px;
        }
        @media (max-width: 1199.98px) {
            .entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 767.98px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 575.98px) {
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .entry-card-img {
                height: 140px;
            }
        }

        /* ===== Milestones ===== */
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
        }
        .milestone-item {
            padding: 28px 24px;
            text-align: center;
            position: relative;
        }
        .milestone-item + .milestone-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background-color: rgba(240, 234, 226, 0.12);
        }
        .milestone-value {
            font-size: clamp(2.2rem, 4.5vw, 3.8rem);
            font-weight: 800;
            color: #E0B27A;
            line-height: 1.1;
            letter-spacing: -0.01em;
        }
        .milestone-label {
            font-size: 0.92rem;
            color: rgba(240, 234, 226, 0.65);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }
        @media (max-width: 991.98px) {
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .milestone-item:nth-child(3)::before {
                display: none;
            }
            .milestone-item {
                padding: 20px 16px;
            }
            .milestone-item + .milestone-item::before {
                top: 15%;
                height: 70%;
            }
        }
        @media (max-width: 575.98px) {
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0;
            }
            .milestone-item {
                padding: 16px 10px;
            }
            .milestone-value {
                font-size: 1.7rem;
            }
        }

        /* ===== News/Info Section ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
        }
        .news-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            border-bottom: 1px solid rgba(0,0,0,0.07);
            transition: var(--transition);
            border-radius: var(--radius-sm);
            gap: 16px;
        }
        .news-list-item:hover {
            background: var(--color-surface);
            box-shadow: var(--shadow-xs);
            border-bottom-color: transparent;
        }
        .news-list-title {
            font-weight: 650;
            font-size: 0.98rem;
            color: var(--color-ink);
            line-height: 1.5;
        }
        .news-list-tag {
            display: inline-flex;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .tag-live {
            background: var(--color-danger-soft);
            color: var(--color-danger);
        }
        .tag-result {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .tag-news {
            background: var(--color-teal-soft);
            color: var(--color-teal);
        }
        .news-recommend {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid rgba(0,0,0,0.05);
            height: fit-content;
        }
        .news-recommend-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-recommend-body {
            padding: 18px 20px 20px;
        }
        .news-recommend-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .news-recommend-text {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        @media (max-width: 991.98px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-recommend-img {
                height: 200px;
            }
        }

        /* ===== Platform Assurance ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .assurance-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: var(--shadow-xs);
            transition: var(--transition-bounce);
            display: flex;
            flex-direction: column;
        }
        .assurance-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .assurance-card.wide {
            grid-column: 1 / -1;
            flex-direction: row;
            align-items: center;
            gap: 24px;
        }
        .assurance-card.wide .assurance-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .assurance-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .assurance-card.wide .assurance-icon {
            margin-bottom: 0;
        }
        .assurance-title {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .assurance-text {
            font-size: 0.93rem;
            line-height: 1.65;
            color: var(--color-muted);
            margin-bottom: 0;
        }
        .assurance-card.wide .assurance-text {
            margin-bottom: 0;
        }
        @media (max-width: 767.98px) {
            .assurance-grid {
                grid-template-columns: 1fr;
            }
            .assurance-card.wide {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .assurance-card.wide .assurance-icon {
                margin-bottom: 0;
            }
        }

        /* ===== Changelog ===== */
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 820px;
        }
        .changelog-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: var(--shadow-xs);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: var(--transition);
        }
        .changelog-item:hover {
            border-color: rgba(176, 125, 68, 0.22);
            box-shadow: var(--shadow-sm);
        }
        .changelog-badge {
            flex-shrink: 0;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 700;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            letter-spacing: 0.03em;
            white-space: nowrap;
            margin-top: 4px;
        }
        .changelog-content h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 4px;
        }
        .changelog-content p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 575.98px) {
            .changelog-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 18px;
            }
            .changelog-badge {
                margin-top: 0;
            }
        }

        /* ===== FAQ ===== */
        .faq-list .accordion-item {
            background: var(--color-surface);
            border: none;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
        }
        .faq-list .accordion-button {
            background: var(--color-surface);
            border: none;
            border-radius: var(--radius-md) !important;
            padding: 18px 22px;
            font-weight: 650;
            font-size: 1rem;
            color: var(--color-ink);
            box-shadow: none !important;
            transition: var(--transition);
            position: relative;
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: var(--color-surface);
            color: var(--color-accent);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }
        .faq-list .accordion-button:not(.collapsed)::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            height: 60%;
            width: 3px;
            background-color: var(--color-accent);
            border-radius: 0 3px 3px 0;
        }
        .faq-list .accordion-button:focus {
            box-shadow: none !important;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }
        .faq-list .accordion-button::after {
            width: 16px;
            height: 16px;
            background-size: 16px;
            transition: var(--transition);
        }
        .faq-list .accordion-body {
            background: var(--color-bg-light);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            padding: 18px 22px 20px;
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--color-muted);
        }

        /* ===== App Section ===== */
        .app-section {
            background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-ink-soft) 60%, #2E2722 100%);
            color: #F0EAE2;
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
        }
        .app-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 48px 52px;
        }
        .app-info .section-title {
            color: #FFFFFF;
        }
        .app-info .section-lead {
            color: rgba(240, 234, 226, 0.7);
        }
        .app-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
            margin-bottom: 24px;
        }
        .app-feature-chip {
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            background: rgba(176, 125, 68, 0.18);
            border: 1px solid rgba(176, 125, 68, 0.3);
            color: #E8CCAC;
            font-size: 0.85rem;
            font-weight: 550;
        }
        .app-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .app-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .app-visual img {
            width: 100%;
            max-width: 360px;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
            box-shadow: 0 16px 40px rgba(0,0,0,0.35);
        }
        @media (max-width: 991.98px) {
            .app-grid {
                grid-template-columns: 1fr;
                padding: 36px 28px;
                gap: 28px;
            }
            .app-visual img {
                max-width: 100%;
            }
        }

        /* ===== CTA / Contact ===== */
        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .cta-form-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 34px;
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: var(--shadow-xs);
        }
        .cta-form-card .form-label {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }
        .cta-form-card .form-control {
            background: var(--color-bg-light);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 0.95rem;
            color: var(--color-ink);
            transition: var(--transition);
            box-shadow: none;
        }
        .cta-form-card .form-control:focus {
            background: #FFFFFF;
            box-shadow: none;
            outline: none;
            border-bottom: 2px solid var(--color-accent);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }
        .cta-form-card .form-control::placeholder {
            color: var(--color-muted-light);
        }
        .cta-form-card textarea.form-control {
            min-height: 110px;
            resize: vertical;
        }
        .cta-info {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .cta-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: var(--shadow-xs);
        }
        .cta-info-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.15rem;
            flex-shrink: 0;
        }
        .cta-info-content h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 3px;
        }
        .cta-info-content p {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }
        @media (max-width: 991.98px) {
            .cta-layout {
                grid-template-columns: 1fr;
            }
            .cta-form-card {
                padding: 24px 20px;
            }
        }

        /* ===== Floating CTA Bar ===== */
        .floating-cta {
            position: fixed;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1040;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--color-ink);
            color: #F0EAE2;
            border-radius: var(--radius-pill);
            padding: 12px 18px 12px 22px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.22);
            width: calc(100% - 32px);
            max-width: 600px;
            border: 1px solid rgba(176, 125, 68, 0.3);
        }
        .floating-cta-text {
            font-size: 0.93rem;
            font-weight: 600;
            line-height: 1.4;
            flex: 1;
        }
        .floating-cta-text span {
            color: #E0B27A;
        }
        .floating-cta .btn-custom {
            padding: 10px 22px;
            font-size: 0.9rem;
            white-space: nowrap;
            flex-shrink: 0;
        }
        @media (max-width: 575.98px) {
            .floating-cta {
                flex-direction: column;
                text-align: center;
                border-radius: var(--radius-lg);
                padding: 14px 16px;
                bottom: 10px;
                width: calc(100% - 20px);
            }
            .floating-cta .btn-custom {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-ink);
            color: rgba(240, 234, 226, 0.7);
            padding: 52px 0 36px;
            border-top: 1px solid rgba(176, 125, 68, 0.15);
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #F0EAE2;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .brand-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-size: 14px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: rgba(240, 234, 226, 0.55);
            max-width: 320px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: rgba(240, 234, 226, 0.65);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #E0B27A;
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 22px;
            border-top: 1px solid rgba(240, 234, 226, 0.1);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(240, 234, 226, 0.45);
        }
        .footer-bottom a {
            color: rgba(240, 234, 226, 0.55);
        }
        .footer-bottom a:hover {
            color: #E0B27A;
        }
        @media (max-width: 575.98px) {
            .footer {
                padding: 36px 0 28px;
            }
            .footer-links {
                gap: 4px 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* ===== Utility ===== */
        .text-accent { color: var(--color-accent) !important; }
        .text-ink { color: var(--color-ink) !important; }
        .fw-700 { font-weight: 700; }
        .fw-800 { font-weight: 800; }
        .mt-0 { margin-top: 0 !important; }
        .mb-0 { margin-bottom: 0 !important; }
        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

/* roulang page: category2 */
:root {
            --color-bg-warm: #F6F2EC;
            --color-bg-light: #EFECE6;
            --color-surface: #FFFFFF;
            --color-surface-soft: #F9F7F2;
            --color-ink: #1C1A17;
            --color-ink-soft: #2A2725;
            --color-muted: #6B645B;
            --color-muted-light: #A0988C;
            --color-accent: #B07D44;
            --color-accent-deep: #96683A;
            --color-accent-soft: rgba(176, 125, 68, 0.12);
            --color-teal: #3F4B4A;
            --color-teal-soft: rgba(63, 75, 74, 0.08);
            --color-danger: #8C3A2B;
            --color-danger-soft: rgba(140, 58, 43, 0.1);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.04);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --shadow-nav: 0 2px 14px rgba(0,0,0,0.06);
            --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 88px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 42px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-bounce: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.72;
            color: var(--color-ink);
            background-color: var(--color-bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Section Base ===== */
        .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
            position: relative;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 750;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
        }

        .section-title .accent {
            color: var(--color-accent);
        }

        .section-lead {
            font-size: 1.02rem;
            line-height: 1.78;
            color: var(--color-muted);
            max-width: 720px;
            margin-bottom: 36px;
            margin-top: 0;
        }

        .bg-ink .section-title {
            color: #F0EAE2;
        }
        .bg-ink .section-lead {
            color: rgba(240, 234, 226, 0.72);
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-weight: 650;
            font-size: 0.96rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: var(--transition-bounce);
            position: relative;
            white-space: nowrap;
        }

        .btn-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-custom:active {
            transform: translateY(1px);
        }

        .btn-primary-custom {
            background-color: var(--color-accent);
            color: #FFFFFF;
        }

        .btn-primary-custom:hover {
            background-color: var(--color-accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(176, 125, 68, 0.18), 0 8px 24px rgba(176, 125, 68, 0.28);
        }

        .btn-outline-custom {
            background-color: transparent;
            color: var(--color-ink);
            border: 1px solid rgba(28, 26, 23, 0.35);
        }

        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.08);
        }

        .btn-outline-custom.btn-on-dark {
            color: #F0EAE2;
            border-color: rgba(240, 234, 226, 0.45);
        }

        .btn-outline-custom.btn-on-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 0 16px;
            pointer-events: none;
        }

        .navbar-custom .navbar-inner {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 750;
            font-size: 1.1rem;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .navbar-brand-custom:hover {
            color: var(--color-accent);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .brand-text {
            font-weight: 750;
            letter-spacing: -0.01em;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-ink-soft);
            border-radius: var(--radius-pill);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link-custom:hover {
            color: var(--color-accent);
            background: rgba(176, 125, 68, 0.07);
        }

        .nav-link-custom.active {
            color: var(--color-accent);
            background: rgba(176, 125, 68, 0.1);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-ink);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            color: var(--color-accent);
            background: rgba(176, 125, 68, 0.08);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 20px 0 0 0;
            background: var(--color-bg-warm);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-muted);
            flex-wrap: wrap;
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom li + li::before {
            content: '/';
            color: var(--color-muted-light);
            font-size: 0.82rem;
        }

        .breadcrumb-custom a {
            color: var(--color-muted);
        }

        .breadcrumb-custom a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-custom .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ===== Hero Strip ===== */
        .hero-strip {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            margin-top: 20px;
            margin-bottom: 0;
        }

        .hero-strip::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28, 26, 23, 0.68) 0%, rgba(28, 26, 23, 0.35) 60%, rgba(28, 26, 23, 0.55) 100%);
            border-radius: inherit;
        }

        .hero-strip-content {
            position: relative;
            z-index: 2;
            padding: 48px 40px;
            max-width: 680px;
        }

        .hero-strip h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            color: #F0EAE2;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .hero-strip h1 .accent {
            color: #D4A96A;
        }

        .hero-strip p {
            font-size: 1.05rem;
            color: rgba(240, 234, 226, 0.85);
            max-width: 520px;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .hero-strip .badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-strip .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(240, 234, 226, 0.12);
            color: #F0EAE2;
            border: 1px solid rgba(240, 234, 226, 0.2);
            backdrop-filter: blur(4px);
        }

        /* ===== Status Legend ===== */
        .status-legend {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 0 8px;
        }

        .status-legend-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 0.88rem;
            font-weight: 550;
            color: var(--color-muted);
        }

        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .status-dot.live {
            background: #4A8F6A;
        }
        .status-dot.ending {
            background: var(--color-danger);
        }
        .status-dot.settled {
            background: var(--color-muted-light);
        }

        /* ===== Masonry Grid ===== */
        .masonry-grid {
            columns: 2;
            column-gap: 24px;
            margin-top: 8px;
        }

        .masonry-item {
            break-inside: avoid;
            margin-bottom: 24px;
            display: inline-block;
            width: 100%;
            border-radius: var(--radius-lg);
            background: var(--color-surface);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(0, 0, 0, 0.05);
            overflow: hidden;
            transition: var(--transition-bounce);
            cursor: pointer;
        }

        .masonry-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(176, 125, 68, 0.2);
        }

        .masonry-item:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .task-card-image {
            width: 100%;
            object-fit: cover;
            display: block;
        }

        .task-card-image.tall {
            aspect-ratio: 4 / 5;
        }
        .task-card-image.medium {
            aspect-ratio: 4 / 3;
        }
        .task-card-image.wide {
            aspect-ratio: 16 / 9;
        }

        .task-card-body {
            padding: 20px 22px 22px;
        }

        .task-card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 10px;
        }

        .task-card-title {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            line-height: 1.4;
            margin: 0;
        }

        .task-status-pill {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.76rem;
            font-weight: 650;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .task-status-pill.live {
            background: rgba(74, 143, 106, 0.12);
            color: #3A7260;
            border: 1px solid rgba(74, 143, 106, 0.25);
        }

        .task-status-pill.ending {
            background: var(--color-danger-soft);
            color: var(--color-danger);
            border: 1px solid rgba(140, 58, 43, 0.25);
        }

        .task-status-pill.settled {
            background: rgba(160, 152, 140, 0.12);
            color: var(--color-muted);
            border: 1px solid rgba(160, 152, 140, 0.25);
        }

        .task-card-desc {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.68;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .task-card-desc.expanded {
            -webkit-line-clamp: 3;
        }

        .task-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.83rem;
            color: var(--color-muted);
            margin-bottom: 14px;
        }

        .task-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .task-meta .bounty-value {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.95rem;
        }

        .task-progress-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .task-progress {
            flex: 1;
            height: 6px;
            border-radius: var(--radius-pill);
            background: rgba(28, 26, 23, 0.08);
            overflow: hidden;
        }

        .task-progress-bar {
            height: 100%;
            border-radius: var(--radius-pill);
            background: var(--color-accent);
            transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .task-progress-bar.ending {
            background: var(--color-danger);
        }

        .task-progress-bar.settled {
            background: var(--color-muted-light);
        }

        .task-progress-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-muted);
            white-space: nowrap;
            min-width: 36px;
            text-align: right;
        }

        /* ===== Process Steps ===== */
        .process-section {
            background: var(--color-bg-light);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: var(--transition-bounce);
        }

        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .process-step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .process-step h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .process-step p {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg-warm);
        }

        .accordion-custom .accordion-item {
            background: var(--color-surface);
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
        }

        .accordion-custom .accordion-item:hover {
            border-color: rgba(176, 125, 68, 0.15);
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            background: var(--color-surface);
            color: var(--color-ink);
            font-weight: 650;
            font-size: 0.98rem;
            padding: 18px 20px;
            border: none;
            border-radius: var(--radius-md) !important;
            box-shadow: none !important;
            transition: var(--transition);
            position: relative;
            text-align: left;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .accordion-custom .accordion-button::after {
            content: '\F282';
            font-family: 'bootstrap-icons';
            background: none;
            color: var(--color-accent);
            font-size: 1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            content: '\F286';
        }

        .accordion-custom .accordion-button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--color-surface-soft);
            color: var(--color-ink);
            border-left: 3px solid var(--color-accent);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }

        .accordion-custom .accordion-body {
            background: var(--color-surface-soft);
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.75;
            padding: 16px 20px 20px;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--color-bg-light);
        }

        .cta-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .cta-card .section-title {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
        }

        .form-custom .form-label {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .form-custom .form-control {
            background: #F3F0EA;
            border: none;
            border-radius: 10px;
            padding: 12px 14px;
            font-size: 0.95rem;
            color: var(--color-ink);
            transition: var(--transition);
            box-shadow: none;
        }

        .form-custom .form-control::placeholder {
            color: var(--color-muted-light);
        }

        .form-custom .form-control:focus {
            background: #FFFFFF;
            border-bottom: 2px solid var(--color-accent);
            border-radius: 10px 10px 8px 8px;
            box-shadow: 0 0 0 4px rgba(176, 125, 68, 0.08);
            outline: none;
        }

        .form-custom textarea.form-control {
            resize: vertical;
            min-height: 90px;
        }

        .cta-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cta-info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.94rem;
            color: var(--color-muted);
        }

        .cta-info-list li i {
            color: var(--color-accent);
            font-size: 1.2rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-ink);
            color: rgba(240, 234, 226, 0.75);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.05rem;
            color: #F0EAE2;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.75;
            color: rgba(240, 234, 226, 0.6);
            max-width: 420px;
            margin-bottom: 0;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }

        .footer-links a {
            color: rgba(240, 234, 226, 0.72);
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #D4A96A;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 22px;
            margin-top: 28px;
            border-top: 1px solid rgba(240, 234, 226, 0.12);
            font-size: 0.82rem;
            color: rgba(240, 234, 226, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .masonry-grid {
                columns: 2;
                column-gap: 18px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-strip {
                min-height: 32vh;
            }
            .hero-strip-content {
                padding: 32px 24px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .navbar-custom {
                position: sticky;
                top: 10px;
                padding: 0 10px;
            }
            .navbar-custom .navbar-inner {
                padding: 6px 14px;
                border-radius: 16px;
            }
            .navbar-brand-custom {
                font-size: 1rem;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.88rem;
            }
            .navbar-toggler-custom {
                display: block;
                font-size: 1.3rem;
                padding: 6px;
            }
            .navbar-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 10px;
                right: 10px;
                background: #FFFFFF;
                border-radius: 16px;
                padding: 12px 8px;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                border: 1px solid rgba(0, 0, 0, 0.05);
            }
            .navbar-links.open {
                display: flex;
            }
            .nav-link-custom {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                width: 100%;
                min-height: 48px;
                align-items: center;
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .navbar-cta {
                width: 100%;
                margin-top: 6px;
                padding: 0 4px;
            }
            .navbar-cta .btn-custom {
                width: 100%;
            }
            .masonry-grid {
                columns: 1;
                column-gap: 0;
            }
            .masonry-item {
                margin-bottom: 16px;
            }
            .hero-strip {
                min-height: 28vh;
                border-radius: var(--radius-md);
            }
            .hero-strip h1 {
                font-size: clamp(1.6rem, 5vw, 2.2rem);
            }
            .hero-strip-content {
                padding: 24px 18px;
            }
            .hero-strip p {
                font-size: 0.92rem;
            }
            .status-legend {
                gap: 12px;
            }
            .task-card-body {
                padding: 16px 16px 18px;
            }
            .task-card-title {
                font-size: 1rem;
            }
            .cta-card {
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .form-custom .form-control {
                font-size: 0.92rem;
                padding: 11px 12px;
            }
            .footer {
                padding: 36px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .footer-links {
                gap: 8px 14px;
            }
        }

        @media (max-width: 575px) {
            .navbar-custom {
                top: 6px;
                padding: 0 6px;
            }
            .navbar-custom .navbar-inner {
                padding: 6px 10px;
                border-radius: 14px;
            }
            .navbar-brand-custom .brand-text {
                font-size: 0.95rem;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .navbar-toggler-custom {
                font-size: 1.2rem;
                padding: 4px 8px;
            }
            .hero-strip {
                min-height: 24vh;
                margin-top: 12px;
            }
            .hero-strip h1 {
                font-size: 1.5rem;
            }
            .hero-strip .badge-row {
                gap: 6px;
            }
            .hero-strip .badge-item {
                font-size: 0.74rem;
                padding: 4px 10px;
            }
            .task-card-body {
                padding: 14px 14px 16px;
            }
            .task-meta {
                gap: 8px;
                font-size: 0.78rem;
            }
            .process-step {
                padding: 20px 16px;
            }
            .accordion-custom .accordion-button {
                font-size: 0.9rem;
                padding: 15px 16px;
            }
            .accordion-custom .accordion-body {
                font-size: 0.88rem;
                padding: 12px 16px 16px;
            }
            .btn-custom {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg-warm: #F6F2EC;
            --color-bg-light: #EFECE6;
            --color-surface: #FFFFFF;
            --color-surface-soft: #F9F7F2;
            --color-ink: #1C1A17;
            --color-ink-soft: #2A2725;
            --color-muted: #6B645B;
            --color-muted-light: #A0988C;
            --color-accent: #B07D44;
            --color-accent-deep: #96683A;
            --color-accent-soft: rgba(176, 125, 68, 0.12);
            --color-teal: #3F4B4A;
            --color-teal-soft: rgba(63, 75, 74, 0.08);
            --color-danger: #8C3A2B;
            --color-danger-soft: rgba(140, 58, 43, 0.1);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 14px rgba(0, 0, 0, 0.06);
            --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 88px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 42px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-bounce: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.72;
            color: var(--color-ink);
            background-color: var(--color-bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
            position: relative;
        }

        @media (max-width: 991px) {
            .section {
                padding-top: var(--section-pad-tablet);
                padding-bottom: var(--section-pad-tablet);
            }
        }

        @media (max-width: 576px) {
            .section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 750;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
        }

        .section-title .accent {
            color: var(--color-accent);
        }

        .section-lead {
            font-size: 1.02rem;
            line-height: 1.78;
            color: var(--color-muted);
            max-width: 720px;
            margin-bottom: 36px;
        }

        .bg-ink .section-title {
            color: #F0EAE2;
        }

        .bg-ink .section-lead {
            color: rgba(240, 234, 226, 0.72);
        }

        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-weight: 650;
            font-size: 0.96rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: var(--transition-bounce);
            position: relative;
            white-space: nowrap;
        }

        .btn-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-custom:active {
            transform: translateY(1px);
        }

        .btn-primary-custom {
            background-color: var(--color-accent);
            color: #FFFFFF;
        }

        .btn-primary-custom:hover {
            background-color: var(--color-accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(176, 125, 68, 0.18), 0 8px 24px rgba(176, 125, 68, 0.28);
        }

        .btn-outline-custom {
            background-color: transparent;
            color: var(--color-ink);
            border: 1px solid rgba(28, 26, 23, 0.35);
        }

        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.08);
        }

        .btn-outline-custom.btn-on-dark {
            color: #F0EAE2;
            border-color: rgba(240, 234, 226, 0.45);
        }

        .btn-outline-custom.btn-on-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.12);
        }

        /* Navigation */
        .navbar-custom {
            position: sticky;
            top: 16px;
            z-index: 1030;
            padding: 0;
            margin: 16px auto 0;
            max-width: var(--container-max);
            width: calc(100% - 48px);
        }

        @media (max-width: 576px) {
            .navbar-custom {
                width: calc(100% - 32px);
                top: 10px;
                margin-top: 10px;
            }
        }

        .navbar-inner {
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-pill);
            padding: 8px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border: 1px solid rgba(28, 26, 23, 0.06);
            box-shadow: var(--shadow-nav);
            transition: var(--transition);
        }

        .navbar-custom.scrolled .navbar-inner {
            padding-top: 6px;
            padding-bottom: 6px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.1);
            border-color: rgba(28, 26, 23, 0.1);
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 750;
            font-size: 1.12rem;
            color: var(--color-ink);
            white-space: nowrap;
        }

        .navbar-brand-custom:hover {
            color: var(--color-ink);
        }

        .navbar-brand-custom .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, #B07D44 0%, #96683A 100%);
            color: #FFF;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.5rem;
            color: var(--color-ink);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
            line-height: 1;
        }

        .navbar-toggler-custom:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .navbar-toggler-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 13px;
            font-size: 0.91rem;
            font-weight: 500;
            color: var(--color-ink-soft);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-link-custom:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .nav-link-custom.active {
            color: var(--color-accent);
            font-weight: 650;
            background: var(--color-accent-soft);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background-color: var(--color-accent);
        }

        .navbar-cta {
            margin-left: 8px;
        }

        @media (max-width: 991px) {
            .navbar-toggler-custom {
                display: inline-flex;
            }

            .navbar-links {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                right: 0;
                left: 0;
                background: #FFFFFF;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                padding: 14px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                border: 1px solid rgba(28, 26, 23, 0.06);
            }

            .navbar-links.open {
                display: flex;
            }

            .nav-link-custom {
                padding: 12px 16px;
                font-size: 1.02rem;
                width: 100%;
                border-radius: var(--radius-md);
            }

            .nav-link-custom.active::after {
                display: none;
            }

            .navbar-cta {
                margin-left: 0;
                margin-top: 8px;
            }

            .navbar-cta .btn-custom {
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .navbar-inner {
                padding: 6px 12px;
                border-radius: var(--radius-md);
            }

            .navbar-brand-custom {
                font-size: 1rem;
                gap: 6px;
            }

            .navbar-brand-custom .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* Breadcrumb banner */
        .breadcrumb-banner {
            background: var(--color-bg-warm);
            padding: 40px 0 28px;
            border-bottom: 1px solid rgba(28, 26, 23, 0.06);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--color-muted);
            transition: var(--transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-custom .separator {
            color: var(--color-muted-light);
        }

        .breadcrumb-custom .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        .page-banner-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 780;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--color-ink);
            margin-bottom: 12px;
        }

        .page-banner-sub {
            font-size: 1.04rem;
            color: var(--color-muted);
            max-width: 700px;
            line-height: 1.75;
        }

        /* Rules layout */
        .rules-section {
            background: var(--color-bg-warm);
        }

        .rules-grid {
            display: grid;
            grid-template-columns: minmax(0, 7fr) minmax(280px, 3fr);
            gap: 28px;
            align-items: start;
        }

        @media (max-width: 991px) {
            .rules-grid {
                grid-template-columns: 1fr;
            }
        }

        .rules-main {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .rule-group {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(28, 26, 23, 0.04);
            padding: 24px 28px;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
        }

        .rule-group:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(176, 125, 68, 0.12);
        }

        .rule-group-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent-soft);
        }

        .rule-group-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .rule-group-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-ink);
            margin: 0;
            letter-spacing: -0.01em;
        }

        .rule-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rule-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            background: var(--color-surface-soft);
        }

        .rule-item:hover {
            background: var(--color-accent-soft);
        }

        .rule-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-ink);
            color: #F0EAE2;
            font-size: 0.78rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .rule-item-content {
            flex: 1;
        }

        .rule-item-name {
            font-weight: 650;
            color: var(--color-ink);
            font-size: 0.96rem;
            margin-bottom: 2px;
        }

        .rule-item-desc {
            color: var(--color-muted);
            font-size: 0.88rem;
            line-height: 1.62;
        }

        /* Sidebar card */
        .rules-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        @media (max-width: 991px) {
            .rules-sidebar {
                position: static;
                top: auto;
            }
        }

        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(28, 26, 23, 0.05);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .sidebar-card-body {
            padding: 20px;
        }

        .sidebar-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 12px;
        }

        .sidebar-meta-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-meta-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 10px;
            background: var(--color-surface-soft);
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
        }

        .sidebar-meta-label {
            color: var(--color-muted);
            font-weight: 500;
        }

        .sidebar-meta-value {
            color: var(--color-ink);
            font-weight: 700;
        }

        .sidebar-meta-value.accent {
            color: var(--color-accent);
        }

        .sidebar-card .btn-custom {
            width: 100%;
            margin-top: 12px;
        }

        /* Flash sale strip */
        .flash-strip {
            background: linear-gradient(135deg, #1C1A17 0%, #2A2725 60%, #3F4B4A 100%);
            border-radius: var(--radius-xl);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .flash-strip::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(176, 125, 68, 0.22), transparent 70%);
            pointer-events: none;
        }

        .flash-strip-content {
            flex: 1;
            min-width: 240px;
            position: relative;
            z-index: 1;
        }

        .flash-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-danger);
            color: #FFF;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .flash-title {
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 780;
            color: #F0EAE2;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .flash-sub {
            color: rgba(240, 234, 226, 0.72);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        .flash-countdown {
            display: flex;
            gap: 10px;
            margin-top: 12px;
        }

        .countdown-block {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 8px 12px;
            text-align: center;
            min-width: 52px;
            backdrop-filter: blur(4px);
        }

        .countdown-number {
            font-size: 1.5rem;
            font-weight: 750;
            color: #F0EAE2;
            line-height: 1.2;
        }

        .countdown-label {
            font-size: 0.72rem;
            color: rgba(240, 234, 226, 0.55);
            letter-spacing: 0.05em;
        }

        .flash-cta {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        .flash-cta .btn-custom {
            font-size: 1rem;
            padding: 14px 30px;
        }

        @media (max-width: 768px) {
            .flash-strip {
                padding: 24px 20px;
                border-radius: var(--radius-lg);
                flex-direction: column;
                align-items: flex-start;
            }

            .flash-cta {
                width: 100%;
            }

            .flash-cta .btn-custom {
                width: 100%;
            }

            .countdown-number {
                font-size: 1.2rem;
            }

            .countdown-block {
                min-width: 44px;
                padding: 6px 8px;
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg-warm);
        }

        .accordion-custom .accordion-item {
            background: var(--color-surface);
            border: 1px solid rgba(28, 26, 23, 0.04);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
        }

        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            background: var(--color-surface);
            color: var(--color-ink);
            font-weight: 650;
            font-size: 0.98rem;
            padding: 16px 18px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            position: relative;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            cursor: pointer;
        }

        .accordion-custom .accordion-button::after {
            content: '\F282';
            font-family: 'bootstrap-icons';
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: transform 0.3s ease;
            background: none;
            margin-left: auto;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--color-surface);
            color: var(--color-accent);
            box-shadow: none;
            border-left: 3px solid var(--color-accent);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.15);
            outline: none;
        }

        .accordion-custom .accordion-body {
            background: var(--color-surface-soft);
            padding: 16px 18px;
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.7;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }

        /* CTA form */
        .cta-section {
            background: var(--color-bg-light);
        }

        .cta-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            border: 1px solid rgba(28, 26, 23, 0.05);
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 991px) {
            .cta-card {
                grid-template-columns: 1fr;
                padding: 24px;
            }
        }

        .cta-info-title {
            font-size: 1.5rem;
            font-weight: 750;
            color: var(--color-ink);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .cta-info-desc {
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .cta-feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.91rem;
            color: var(--color-ink-soft);
        }

        .cta-feature-item i {
            color: var(--color-accent);
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .form-custom .form-control-custom {
            background: #F3F0EA;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.94rem;
            color: var(--color-ink);
            width: 100%;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
            appearance: none;
        }

        .form-custom .form-control-custom:focus {
            background: #FFFFFF;
            outline: none;
            border-bottom-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.1);
        }

        .form-custom .form-control-custom::placeholder {
            color: var(--color-muted-light);
        }

        .form-custom label {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--color-ink-soft);
            margin-bottom: 6px;
            display: block;
        }

        .form-custom .form-group {
            margin-bottom: 16px;
        }

        .form-custom textarea.form-control-custom {
            resize: vertical;
            min-height: 90px;
        }

        .form-custom select.form-control-custom {
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B645B' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }

        .form-custom .btn-custom {
            width: 100%;
            margin-top: 6px;
        }

        /* Footer */
        .footer {
            background: var(--color-ink);
            color: rgba(240, 234, 226, 0.72);
            padding-top: 56px;
            padding-bottom: 24px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 750;
            color: #F0EAE2;
            margin-bottom: 12px;
        }

        .footer-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, #B07D44 0%, #96683A 100%);
            color: #FFF;
            font-size: 1rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(240, 234, 226, 0.55);
            max-width: 360px;
            margin-bottom: 0;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            gap: 16px 20px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(240, 234, 226, 0.72);
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(240, 234, 226, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(240, 234, 226, 0.45);
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-links {
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
      --color-bg-warm: #F6F2EC;
      --color-bg-light: #EFECE6;
      --color-surface: #FFFFFF;
      --color-surface-soft: #F9F7F2;
      --color-ink: #1C1A17;
      --color-ink-soft: #2A2725;
      --color-muted: #6B645B;
      --color-muted-light: #A0988C;
      --color-accent: #B07D44;
      --color-accent-deep: #96683A;
      --color-accent-soft: rgba(176, 125, 68, 0.12);
      --color-teal: #3F4B4A;
      --color-teal-soft: rgba(63, 75, 74, 0.08);
      --color-danger: #8C3A2B;
      --color-danger-soft: rgba(140, 58, 43, 0.1);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --radius-pill: 999px;
      --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
      --shadow-nav: 0 2px 14px rgba(0,0,0,0.06);
      --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      --container-max: 1200px;
      --section-pad-desktop: 88px;
      --section-pad-tablet: 56px;
      --section-pad-mobile: 42px;
      --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --transition-bounce: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-sans);
      font-size: 1rem;
      line-height: 1.72;
      color: var(--color-ink);
      background-color: var(--color-bg-warm);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    a:hover {
      color: var(--color-accent);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button, input, textarea, select {
      font-family: inherit;
      font-size: inherit;
    }

    .container {
      max-width: var(--container-max);
      padding-left: 24px;
      padding-right: 24px;
    }

    @media (max-width: 575.98px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    /* ===== Section base ===== */
    .section {
      padding-top: var(--section-pad-desktop);
      padding-bottom: var(--section-pad-desktop);
      position: relative;
    }

    @media (max-width: 991.98px) {
      .section {
        padding-top: var(--section-pad-tablet);
        padding-bottom: var(--section-pad-tablet);
      }
    }

    @media (max-width: 767.98px) {
      .section {
        padding-top: var(--section-pad-mobile);
        padding-bottom: var(--section-pad-mobile);
      }
    }

    .section-title {
      font-size: clamp(1.7rem, 3.2vw, 2.4rem);
      font-weight: 750;
      letter-spacing: -0.02em;
      line-height: 1.3;
      color: var(--color-ink);
      margin-bottom: 12px;
    }

    .section-title .accent {
      color: var(--color-accent);
    }

    .section-lead {
      font-size: 1.02rem;
      line-height: 1.78;
      color: var(--color-muted);
      max-width: 720px;
      margin-bottom: 36px;
    }

    .bg-ink {
      background-color: var(--color-ink);
    }

    .bg-ink .section-title {
      color: #F0EAE2;
    }

    .bg-ink .section-lead {
      color: rgba(240, 234, 226, 0.72);
    }

    /* ===== Buttons ===== */
    .btn-custom {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      border-radius: var(--radius-pill);
      font-weight: 650;
      font-size: 0.96rem;
      line-height: 1.2;
      border: none;
      cursor: pointer;
      transition: var(--transition-bounce);
      position: relative;
      white-space: nowrap;
    }

    .btn-custom:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

    .btn-custom:active {
      transform: translateY(1px);
    }

    .btn-primary-custom {
      background-color: var(--color-accent);
      color: #FFFFFF;
    }

    .btn-primary-custom:hover {
      background-color: var(--color-accent-deep);
      color: #FFFFFF;
      transform: translateY(-2px);
      box-shadow: 0 0 0 4px rgba(176, 125, 68, 0.18), 0 8px 24px rgba(176, 125, 68, 0.28);
    }

    .btn-outline-custom {
      background-color: transparent;
      color: var(--color-ink);
      border: 1px solid rgba(28, 26, 23, 0.35);
    }

    .btn-outline-custom:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
      transform: translateY(-2px);
      box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.08);
    }

    .btn-outline-custom.btn-on-dark {
      color: #F0EAE2;
      border-color: rgba(240, 234, 226, 0.45);
    }

    .btn-outline-custom.btn-on-dark:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    .btn-sm-custom {
      padding: 8px 18px;
      font-size: 0.88rem;
    }

    /* ===== Navigation ===== */
    .navbar-custom {
      position: sticky;
      top: 16px;
      z-index: 1030;
      margin: 16px auto 0;
      width: min(calc(100% - 32px), 1160px);
      background-color: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-radius: var(--radius-pill);
      box-shadow: var(--shadow-nav);
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.35);
    }

    @media (max-width: 575.98px) {
      .navbar-custom {
        top: 10px;
        width: calc(100% - 20px);
        margin-top: 10px;
        border-radius: 16px;
      }
    }

    .navbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 16px;
      min-height: 60px;
      gap: 16px;
    }

    @media (max-width: 991.98px) {
      .navbar-inner {
        flex-wrap: wrap;
      }
    }

    .navbar-brand-custom {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 750;
      font-size: 1.15rem;
      letter-spacing: -0.01em;
      color: var(--color-ink);
      white-space: nowrap;
    }

    .navbar-brand-custom:hover {
      color: var(--color-ink);
    }

    .brand-icon {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--color-accent-soft);
      color: var(--color-accent);
      font-size: 1.15rem;
    }

    .navbar-toggler-custom {
      display: none;
      border: none;
      background: transparent;
      font-size: 1.8rem;
      color: var(--color-ink);
      cursor: pointer;
      padding: 4px 8px;
      border-radius: 8px;
      transition: var(--transition);
    }

    .navbar-toggler-custom:hover {
      color: var(--color-accent);
      background: rgba(176, 125, 68, 0.08);
    }

    @media (max-width: 991.98px) {
      .navbar-toggler-custom {
        display: inline-flex;
        align-items: center;
      }
    }

    .navbar-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }

    @media (max-width: 991.98px) {
      .navbar-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 10px 0 14px;
        border-top: 1px solid rgba(28, 26, 23, 0.08);
        margin-top: 8px;
      }
      .navbar-links.show {
        display: flex;
      }
    }

    .nav-link-custom {
      padding: 8px 14px;
      border-radius: var(--radius-pill);
      font-weight: 550;
      font-size: 0.94rem;
      color: var(--color-ink-soft);
      white-space: nowrap;
      position: relative;
    }

    .nav-link-custom:hover {
      color: var(--color-accent);
    }

    .nav-link-custom.active {
      color: var(--color-accent);
    }

    .nav-link-custom.active::before {
      content: "";
      display: inline-block;
      width: 6px;
      height: 6px;
      background: var(--color-accent);
      border-radius: 50%;
      margin-right: 6px;
      vertical-align: middle;
    }

    .navbar-cta {
      display: flex;
      align-items: center;
      margin-left: 6px;
    }

    @media (max-width: 991.98px) {
      .navbar-cta {
        margin-left: 0;
        margin-top: 6px;
        width: 100%;
      }
      .navbar-cta .btn-custom {
        width: 100%;
      }
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-custom {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      padding: 18px 0 8px;
      font-size: 0.9rem;
      color: var(--color-muted);
    }

    .breadcrumb-custom a {
      color: var(--color-muted);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .breadcrumb-custom a:hover {
      color: var(--color-accent);
    }

    .breadcrumb-sep {
      color: var(--color-muted-light);
      font-size: 0.8rem;
    }

    .breadcrumb-current {
      color: var(--color-ink);
      font-weight: 600;
    }

    /* ===== Reward main card ===== */
    .reward-hero-card {
      background: var(--color-surface);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: flex;
      flex-wrap: wrap;
      border: 1px solid rgba(0,0,0,0.05);
      margin-bottom: 40px;
    }

    .reward-hero-img {
      flex: 0 0 42%;
      min-height: 320px;
      background-size: cover;
      background-position: center;
      position: relative;
      display: flex;
      align-items: flex-end;
    }

    .reward-hero-img .reward-badge {
      position: absolute;
      top: 18px;
      left: 18px;
      background: var(--color-accent);
      color: #fff;
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.8rem;
      font-weight: 650;
      letter-spacing: 0.03em;
    }

    .reward-hero-content {
      flex: 1;
      padding: 34px 36px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .reward-hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      color: var(--color-teal);
      background: var(--color-teal-soft);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      margin-bottom: 16px;
      width: fit-content;
    }

    .reward-hero-title {
      font-size: clamp(1.6rem, 3vw, 2.4rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
      line-height: 1.25;
    }

    .reward-hero-desc {
      color: var(--color-muted);
      font-size: 0.98rem;
      margin-bottom: 20px;
      max-width: 520px;
    }

    .reward-hero-meta {
      display: flex;
      align-items: center;
      gap: 28px;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }

    .reward-meta-item {
      display: flex;
      flex-direction: column;
    }

    .reward-meta-label {
      font-size: 0.78rem;
      color: var(--color-muted-light);
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .reward-meta-value {
      font-size: 1.5rem;
      font-weight: 750;
      color: var(--color-accent);
      line-height: 1.2;
    }

    .reward-btn-row {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    @media (max-width: 767.98px) {
      .reward-hero-img {
        flex: 0 0 100%;
        min-height: 220px;
      }
      .reward-hero-content {
        padding: 26px 22px;
      }
      .reward-hero-meta {
        gap: 18px;
      }
    }

    /* ===== Reward list rows ===== */
    .reward-list-section {
      background: var(--color-surface);
      border-radius: var(--radius-xl);
      padding: 28px 26px;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(0,0,0,0.04);
    }

    .reward-row {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 18px 6px;
      border-bottom: 1px solid rgba(0,0,0,0.05);
      transition: var(--transition);
    }

    .reward-row:last-child {
      border-bottom: none;
    }

    .reward-row:hover {
      background: var(--color-surface-soft);
      border-radius: var(--radius-md);
      padding-left: 16px;
      padding-right: 16px;
    }

    .reward-row-icon {
      flex: 0 0 54px;
      width: 54px;
      height: 54px;
      border-radius: 14px;
      background: var(--color-accent-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--color-accent);
    }

    .reward-row-info {
      flex: 1;
      min-width: 0;
    }

    .reward-row-title {
      font-weight: 700;
      font-size: 1.05rem;
      margin-bottom: 4px;
      color: var(--color-ink);
    }

    .reward-row-desc {
      font-size: 0.88rem;
      color: var(--color-muted);
      margin: 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .reward-row-stats {
      display: flex;
      align-items: center;
      gap: 28px;
      flex-shrink: 0;
    }

    .reward-row-value {
      font-weight: 700;
      color: var(--color-accent);
      font-size: 1rem;
      white-space: nowrap;
    }

    .reward-row-points {
      font-size: 0.86rem;
      color: var(--color-muted);
      white-space: nowrap;
    }

    .btn-reward {
      flex-shrink: 0;
      padding: 9px 20px;
      font-size: 0.86rem;
      border-radius: var(--radius-pill);
      background: transparent;
      border: 1px solid var(--color-accent);
      color: var(--color-accent);
      font-weight: 650;
      cursor: pointer;
      transition: var(--transition-bounce);
      white-space: nowrap;
    }

    .btn-reward:hover {
      background: var(--color-accent);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 0 0 3px rgba(176,125,68,0.12);
    }

    @media (max-width: 767.98px) {
      .reward-row {
        flex-wrap: wrap;
        gap: 14px;
        padding: 16px 4px;
      }
      .reward-row-stats {
        width: 100%;
        justify-content: space-between;
      }
      .btn-reward {
        width: 100%;
      }
    }

    /* ===== Steps ===== */
    .step-flow-rewards {
      display: flex;
      align-items: stretch;
      gap: 16px;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .step-node-reward {
      flex: 1;
      min-width: 220px;
      background: var(--color-surface);
      border-radius: var(--radius-lg);
      padding: 26px 24px;
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(0,0,0,0.04);
      position: relative;
      transition: var(--transition-bounce);
    }

    .step-node-reward:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .step-node-num {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--color-accent);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 18px;
    }

    .step-node-title {
      font-weight: 700;
      font-size: 1.15rem;
      margin-bottom: 8px;
    }

    .step-node-desc {
      font-size: 0.9rem;
      color: var(--color-muted);
      margin: 0;
    }

    /* ===== FAQ ===== */
    .faq-section .accordion-item {
      border: none;
      border-radius: var(--radius-md) !important;
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-xs);
    }

    .faq-section .accordion-button {
      background: var(--color-surface);
      color: var(--color-ink);
      font-weight: 650;
      font-size: 1rem;
      padding: 18px 22px;
      border-radius: var(--radius-md) !important;
      box-shadow: none;
      border: 1px solid rgba(0,0,0,0.04);
      position: relative;
    }

    .faq-section .accordion-button:not(.collapsed) {
      background: var(--color-surface);
      color: var(--color-accent);
      border-left: 3px solid var(--color-accent);
    }

    .faq-section .accordion-button:focus {
      box-shadow: none;
      border-color: var(--color-accent);
    }

    .faq-section .accordion-body {
      background: var(--color-surface-soft);
      color: var(--color-ink-soft);
      font-size: 0.97rem;
      padding: 18px 22px;
      border-radius: 0 0 var(--radius-md) var(--radius-md);
    }

    /* ===== CTA ===== */
    .cta-reward-panel {
      background: var(--color-ink);
      border-radius: var(--radius-xl);
      padding: 52px 46px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow-lg);
    }

    .cta-reward-panel h2 {
      color: #F0EAE2;
      font-weight: 800;
      font-size: clamp(1.6rem, 3vw, 2.3rem);
      letter-spacing: -0.02em;
      margin-bottom: 10px;
    }

    .cta-reward-panel p {
      color: rgba(240,234,226,0.72);
      font-size: 1rem;
      margin: 0;
      max-width: 560px;
    }

    @media (max-width: 767.98px) {
      .cta-reward-panel {
        padding: 32px 22px;
      }
    }

    /* ===== Footer ===== */
    .footer {
      background: var(--color-ink);
      color: rgba(240,234,226,0.8);
      padding: 48px 0 28px;
      margin-top: 40px;
    }

    .footer-brand {
      font-size: 1.25rem;
      font-weight: 750;
      color: #F0EAE2;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .footer-brand .brand-icon {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--color-accent-soft);
      color: var(--color-accent);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
    }

    .footer-desc {
      color: rgba(240,234,226,0.6);
      font-size: 0.92rem;
      max-width: 420px;
      margin-bottom: 0;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      padding: 0;
      margin: 0;
    }

    .footer-links a {
      color: rgba(240,234,226,0.72);
      font-size: 0.9rem;
    }

    .footer-links a:hover {
      color: var(--color-accent);
    }

    .footer-bottom {
      border-top: 1px solid rgba(240,234,226,0.12);
      margin-top: 32px;
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      font-size: 0.82rem;
      color: rgba(240,234,226,0.5);
    }

    @media (max-width: 767.98px) {
      .footer {
        padding: 36px 0 24px;
      }
      .footer-links {
        gap: 14px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: left;
      }
    }

/* roulang page: category3 */
:root {
            --color-bg-warm: #F6F2EC;
            --color-bg-light: #EFECE6;
            --color-surface: #FFFFFF;
            --color-surface-soft: #F9F7F2;
            --color-ink: #1C1A17;
            --color-ink-soft: #2A2725;
            --color-muted: #6B645B;
            --color-muted-light: #A0988C;
            --color-accent: #B07D44;
            --color-accent-deep: #96683A;
            --color-accent-soft: rgba(176, 125, 68, 0.12);
            --color-teal: #3F4B4A;
            --color-teal-soft: rgba(63, 75, 74, 0.08);
            --color-danger: #8C3A2B;
            --color-danger-soft: rgba(140, 58, 43, 0.1);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.04);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --shadow-nav: 0 2px 14px rgba(0,0,0,0.06);
            --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 72px;
            --section-pad-tablet: 52px;
            --section-pad-mobile: 38px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-bounce: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.72;
            color: var(--color-ink);
            background-color: var(--color-bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Section base ===== */
        .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
            position: relative;
        }
        @media (max-width: 991px) {
            .section {
                padding-top: var(--section-pad-tablet);
                padding-bottom: var(--section-pad-tablet);
            }
        }
        @media (max-width: 576px) {
            .section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 750;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
        }
        .section-title .accent {
            color: var(--color-accent);
        }
        .section-lead {
            font-size: 1.02rem;
            line-height: 1.78;
            color: var(--color-muted);
            max-width: 720px;
            margin-bottom: 36px;
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-weight: 650;
            font-size: 0.96rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: var(--transition-bounce);
            position: relative;
            white-space: nowrap;
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-custom:active {
            transform: translateY(1px);
        }
        .btn-primary-custom {
            background-color: var(--color-accent);
            color: #FFFFFF;
        }
        .btn-primary-custom:hover {
            background-color: var(--color-accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(176, 125, 68, 0.18), 0 8px 24px rgba(176, 125, 68, 0.28);
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--color-ink);
            border: 1px solid rgba(28, 26, 23, 0.35);
        }
        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.08);
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 8px 16px;
            margin: 0 auto;
            max-width: calc(var(--container-max) + 24px);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .navbar-custom.scrolled {
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.88);
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: 12px;
            min-height: 48px;
        }
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 750;
            font-size: 1.2rem;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand-custom:hover {
            color: var(--color-accent);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--color-accent);
            color: #FFFFFF;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 550;
            color: var(--color-ink-soft);
            border-radius: var(--radius-pill);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }
        .nav-link-custom:hover {
            color: var(--color-accent);
            background-color: var(--color-accent-soft);
        }
        .nav-link-custom.active {
            color: var(--color-accent);
            font-weight: 650;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background-color: var(--color-accent);
        }
        .navbar-cta {
            margin-left: 4px;
            flex-shrink: 0;
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            color: var(--color-ink);
            font-size: 1.4rem;
            cursor: pointer;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            background-color: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .navbar-toggler-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        @media (max-width: 991px) {
            .navbar-custom {
                top: 8px;
                margin: 0 12px;
                border-radius: var(--radius-lg);
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .navbar-links {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: #FFFFFF;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                padding: 8px;
                border: 1px solid rgba(0,0,0,0.04);
            }
            .navbar-links.show {
                display: flex;
            }
            .nav-link-custom {
                padding: 14px 18px;
                font-size: 1.05rem;
                border-radius: var(--radius-md);
                min-height: 48px;
            }
            .nav-link-custom.active {
                background-color: var(--color-accent-soft);
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .navbar-cta {
                margin-left: 0;
                padding: 8px 12px 12px;
            }
            .navbar-cta .btn-custom {
                width: 100%;
            }
        }

        /* ===== Hero Banner (窄条) ===== */
        .hero-banner {
            position: relative;
            min-height: 28vh;
            display: flex;
            align-items: center;
            background:
                linear-gradient(135deg, rgba(28,26,23,0.85) 0%, rgba(28,26,23,0.65) 50%, rgba(176,125,68,0.35) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 48px 0 40px;
            margin-top: -8px;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(176,125,68,0.2) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
        }
        .hero-banner h1 {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #F0EAE2;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }
        .hero-banner h1 .accent {
            color: var(--color-accent);
        }
        .hero-banner .hero-sub {
            font-size: 1.02rem;
            color: rgba(240, 234, 226, 0.75);
            max-width: 520px;
            line-height: 1.6;
        }
        .hero-banner .breadcrumb-custom {
            font-size: 0.85rem;
            color: rgba(240, 234, 226, 0.55);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-banner .breadcrumb-custom a {
            color: rgba(240, 234, 226, 0.7);
        }
        .hero-banner .breadcrumb-custom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .hero-banner {
                min-height: 22vh;
                padding: 32px 0 28px;
            }
        }
        @media (max-width: 576px) {
            .hero-banner {
                min-height: 20vh;
                padding: 24px 0 20px;
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-sub {
                font-size: 0.9rem;
            }
        }

        /* ===== Leaderboard Section ===== */
        .leaderboard-section {
            background-color: var(--color-bg-warm);
        }
        .leaderboard-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 28px;
            align-items: start;
        }

        @media (max-width: 991px) {
            .leaderboard-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== Podium Top 3 ===== */
        .podium-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 24px;
        }
        .podium-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0,0,0,0.04);
            transition: var(--transition-bounce);
            position: relative;
            overflow: hidden;
        }
        .podium-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .podium-card.rank-1 {
            border-left: 4px solid var(--color-accent);
            background: linear-gradient(135deg, #FFFDF8 0%, #FFF8ED 100%);
        }
        .podium-card.rank-2 {
            border-left: 4px solid #A8A29A;
            background: linear-gradient(135deg, #FCFCFA 0%, #F7F7F4 100%);
        }
        .podium-card.rank-3 {
            border-left: 4px solid #B0805C;
            background: linear-gradient(135deg, #FDFAF6 0%, #FBF5EE 100%);
        }
        .podium-rank-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.3rem;
            color: #FFFFFF;
            flex-shrink: 0;
            letter-spacing: -0.02em;
        }
        .rank-1 .podium-rank-badge {
            background: linear-gradient(135deg, #D4A056 0%, #B07D44 50%, #8C5E30 100%);
            box-shadow: 0 4px 14px rgba(176, 125, 68, 0.35);
        }
        .rank-2 .podium-rank-badge {
            background: linear-gradient(135deg, #CBC8C2 0%, #A8A29A 50%, #7F7A72 100%);
            box-shadow: 0 4px 14px rgba(168, 162, 154, 0.3);
        }
        .rank-3 .podium-rank-badge {
            background: linear-gradient(135deg, #C89B74 0%, #B0805C 50%, #8C6243 100%);
            box-shadow: 0 4px 14px rgba(176, 128, 92, 0.3);
        }
        .podium-avatar {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            border: 3px solid var(--color-bg-light);
            background: var(--color-bg-light);
        }
        .rank-1 .podium-avatar {
            border-color: rgba(176, 125, 68, 0.4);
        }
        .rank-2 .podium-avatar {
            border-color: rgba(168, 162, 154, 0.4);
        }
        .rank-3 .podium-avatar {
            border-color: rgba(176, 128, 92, 0.4);
        }
        .podium-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }
        .podium-info {
            flex: 1;
            min-width: 0;
        }
        .podium-name {
            font-weight: 700;
            font-size: 1.12rem;
            color: var(--color-ink);
            margin-bottom: 2px;
            letter-spacing: -0.01em;
        }
        .podium-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .podium-tag {
            font-size: 0.75rem;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            background-color: var(--color-accent-soft);
            color: var(--color-accent-deep);
            font-weight: 550;
        }
        .podium-stats {
            display: flex;
            gap: 18px;
            flex-shrink: 0;
            align-items: center;
        }
        .podium-score {
            text-align: right;
        }
        .podium-score .label {
            font-size: 0.72rem;
            color: var(--color-muted-light);
            display: block;
            margin-bottom: 2px;
        }
        .podium-score .value {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .podium-winrate {
            text-align: center;
            padding-left: 18px;
            border-left: 1px solid rgba(0,0,0,0.06);
        }
        .podium-winrate .label {
            font-size: 0.72rem;
            color: var(--color-muted-light);
            display: block;
            margin-bottom: 2px;
        }
        .podium-winrate .value {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-teal);
            line-height: 1.2;
        }

        @media (max-width: 576px) {
            .podium-card {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px 18px;
            }
            .podium-rank-badge {
                width: 40px;
                height: 40px;
                font-size: 1.05rem;
            }
            .podium-avatar {
                width: 46px;
                height: 46px;
            }
            .podium-name {
                font-size: 0.98rem;
            }
            .podium-stats {
                width: 100%;
                justify-content: flex-start;
                gap: 14px;
                padding-top: 8px;
                border-top: 1px solid rgba(0,0,0,0.04);
            }
            .podium-score .value {
                font-size: 1.3rem;
            }
            .podium-winrate {
                padding-left: 14px;
            }
        }

        /* ===== Rank List (4-20) ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0,0,0,0.04);
            overflow: hidden;
        }
        .rank-list-header {
            display: flex;
            align-items: center;
            padding: 14px 20px;
            background-color: var(--color-surface-soft);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            font-size: 0.85rem;
            font-weight: 650;
            color: var(--color-muted);
            letter-spacing: 0.02em;
        }
        .rank-row {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            gap: 12px;
            border-bottom: 1px solid rgba(0,0,0,0.04);
            transition: var(--transition);
            cursor: default;
        }
        .rank-row:last-child {
            border-bottom: none;
        }
        .rank-row:hover {
            background-color: var(--color-surface-soft);
        }
        .rank-row .rank-number {
            width: 32px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-muted);
            flex-shrink: 0;
            text-align: center;
        }
        .rank-row .rank-avatar-small {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-light);
            border: 2px solid var(--color-bg-light);
        }
        .rank-row .rank-avatar-small img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }
        .rank-row .rank-name {
            flex: 1;
            min-width: 0;
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-row .rank-trend {
            font-size: 0.8rem;
            font-weight: 600;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .rank-row .rank-trend.up {
            color: #2D6A4F;
        }
        .rank-row .rank-trend.down {
            color: var(--color-danger);
        }
        .rank-row .rank-trend.stable {
            color: var(--color-muted-light);
        }
        .rank-row .rank-score {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-accent-deep);
            flex-shrink: 0;
            min-width: 72px;
            text-align: right;
            letter-spacing: -0.01em;
        }

        /* List header columns */
        .rank-list-header .col-rank {
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-list-header .col-avatar {
            width: 36px;
            flex-shrink: 0;
        }
        .rank-list-header .col-name {
            flex: 1;
        }
        .rank-list-header .col-trend {
            width: 56px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-list-header .col-score {
            min-width: 72px;
            text-align: right;
            flex-shrink: 0;
        }

        @media (max-width: 576px) {
            .rank-row {
                padding: 10px 14px;
                gap: 8px;
            }
            .rank-list-header {
                padding: 12px 14px;
                font-size: 0.78rem;
            }
            .rank-row .rank-number {
                width: 26px;
                font-size: 0.85rem;
            }
            .rank-row .rank-avatar-small {
                width: 30px;
                height: 30px;
            }
            .rank-row .rank-name {
                font-size: 0.85rem;
            }
            .rank-row .rank-score {
                font-size: 0.85rem;
                min-width: 60px;
            }
        }

        /* ===== Sidebar Card ===== */
        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0,0,0,0.04);
            position: sticky;
            top: 90px;
        }
        .sidebar-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .sidebar-card .rule-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(0,0,0,0.04);
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.55;
        }
        .sidebar-card .rule-item:last-child {
            border-bottom: none;
        }
        .sidebar-card .rule-item i {
            color: var(--color-accent);
            font-size: 1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .sidebar-card .rule-item strong {
            color: var(--color-ink);
            font-weight: 650;
        }
        .sidebar-card .update-time {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--color-muted-light);
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid rgba(0,0,0,0.04);
        }
        .sidebar-card .update-time i {
            font-size: 0.85rem;
        }
        .sidebar-cta {
            margin-top: 18px;
        }
        .sidebar-cta .btn-custom {
            width: 100%;
        }

        @media (max-width: 991px) {
            .sidebar-card {
                position: static;
                margin-top: 0;
            }
        }

        /* ===== Leaderboard Info Strip ===== */
        .info-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 28px;
            padding: 16px 20px;
            background: var(--color-surface-soft);
            border-radius: var(--radius-md);
            border: 1px solid rgba(0,0,0,0.04);
        }
        .info-strip .info-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--color-muted);
        }
        .info-strip .info-item i {
            color: var(--color-accent);
            font-size: 1rem;
        }
        .info-strip .info-item strong {
            color: var(--color-ink);
            font-weight: 650;
        }

        /* ===== Footer ===== */
        .footer {
            background-color: var(--color-ink);
            color: rgba(240, 234, 226, 0.65);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 750;
            font-size: 1.3rem;
            color: #F0EAE2;
            margin-bottom: 10px;
        }
        .footer-brand .brand-icon {
            background-color: var(--color-accent);
        }
        .footer-desc {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(240, 234, 226, 0.55);
            max-width: 420px;
            margin-bottom: 0;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li a {
            color: rgba(240, 234, 226, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid rgba(240, 234, 226, 0.1);
            font-size: 0.82rem;
            color: rgba(240, 234, 226, 0.4);
        }
        @media (max-width: 768px) {
            .footer {
                padding: 36px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

/* roulang page: category6 */
:root {
            --color-bg-warm: #F6F2EC;
            --color-bg-light: #EFECE6;
            --color-surface: #FFFFFF;
            --color-surface-soft: #F9F7F2;
            --color-ink: #1C1A17;
            --color-ink-soft: #2A2725;
            --color-muted: #6B645B;
            --color-muted-light: #A0988C;
            --color-accent: #B07D44;
            --color-accent-deep: #96683A;
            --color-accent-soft: rgba(176, 125, 68, 0.12);
            --color-teal: #3F4B4A;
            --color-teal-soft: rgba(63, 75, 74, 0.08);
            --color-danger: #8C3A2B;
            --color-danger-soft: rgba(140, 58, 43, 0.1);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.04);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --shadow-nav: 0 2px 14px rgba(0,0,0,0.06);
            --font-sans: "HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 88px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 42px;
            --transition: all 0.28s cubic-bezier(0.25,0.46,0.45,0.94);
            --transition-bounce: all 0.35s cubic-bezier(0.22,1,0.36,1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.72;
            color: var(--color-ink);
            background-color: var(--color-bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
            position: relative;
        }
        .section-title {
            font-size: clamp(1.7rem,3.2vw,2.4rem);
            font-weight: 750;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
        }
        .section-title .accent {
            color: var(--color-accent);
        }
        .section-lead {
            font-size: 1.02rem;
            line-height: 1.78;
            color: var(--color-muted);
            max-width: 720px;
            margin-bottom: 36px;
        }
        .bg-ink .section-title {
            color: #F0EAE2;
        }
        .bg-ink .section-lead {
            color: rgba(240,234,226,0.72);
        }
        /* Buttons */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-weight: 650;
            font-size: 0.96rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: var(--transition-bounce);
            position: relative;
            white-space: nowrap;
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-custom:active {
            transform: translateY(1px);
        }
        .btn-primary-custom {
            background-color: var(--color-accent);
            color: #FFFFFF;
        }
        .btn-primary-custom:hover {
            background-color: var(--color-accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(176,125,68,0.18),0 8px 24px rgba(176,125,68,0.28);
        }
        .btn-outline-custom {
            background-color: transparent;
            color: var(--color-ink);
            border: 1px solid rgba(28,26,23,0.35);
        }
        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 0 0 3px rgba(176,125,68,0.08);
        }
        .btn-outline-custom.btn-on-dark {
            color: #F0EAE2;
            border-color: rgba(240,234,226,0.45);
        }
        .btn-outline-custom.btn-on-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(176,125,68,0.15);
        }
        /* Header / Nav */
        .navbar-custom {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 0;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }
        .navbar-inner {
            pointer-events: auto;
            background: rgba(255,255,255,0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 999px;
            padding: 8px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(28,26,23,0.06);
            max-width: 100%;
        }
        .navbar-custom.scrolled .navbar-inner {
            padding: 6px 14px;
            background: rgba(255,255,255,0.85);
            box-shadow: 0 2px 14px rgba(0,0,0,0.06);
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 750;
            font-size: 1.12rem;
            color: var(--color-ink);
            white-space: nowrap;
            padding: 4px 6px 4px 4px;
            border-radius: 999px;
            transition: var(--transition);
        }
        .navbar-brand-custom:hover {
            color: var(--color-accent);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .navbar-brand-custom:hover .brand-icon {
            background: var(--color-accent);
            color: #fff;
        }
        .navbar-toggler-custom {
            background: transparent;
            border: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--color-ink);
            font-size: 1.35rem;
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .navbar-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-link-custom {
            font-size: 0.9rem;
            font-weight: 550;
            color: var(--color-ink-soft);
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
            cursor: pointer;
        }
        .nav-link-custom:hover {
            color: var(--color-accent);
            background: rgba(176,125,68,0.06);
        }
        .nav-link-custom.active {
            color: var(--color-accent);
            font-weight: 700;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        .navbar-cta {
            display: flex;
            align-items: center;
            margin-left: 4px;
        }
        /* Hero */
        .hero-news {
            min-height: 50vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: linear-gradient(135deg, rgba(28,26,23,0.88) 0%, rgba(28,26,23,0.66) 60%, rgba(63,75,74,0.55) 100%), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: 120px 0 64px;
            color: #F0EAE2;
            overflow: hidden;
        }
        .hero-news::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 30%, rgba(176,125,68,0.18) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-news .container {
            position: relative;
            z-index: 2;
        }
        .hero-news-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(176,125,68,0.18);
            border: 1px solid rgba(176,125,68,0.4);
            color: #E8D5BE;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.06em;
        }
        .hero-news h1 {
            font-size: clamp(2.2rem,4.5vw,3.6rem);
            font-weight: 800;
            letter-spacing: -0.025em;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #ffffff;
        }
        .hero-news h1 .accent {
            color: #D4A56B;
        }
        .hero-news .hero-lead {
            font-size: clamp(1rem,1.4vw,1.15rem);
            line-height: 1.76;
            color: rgba(240,234,226,0.85);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .hero-news-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 28px;
            font-size: 0.88rem;
            color: rgba(240,234,226,0.75);
        }
        .hero-news-meta .dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #D4A56B;
            margin-right: 6px;
            vertical-align: middle;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.55; transform: scale(1.35); }
        }
        .hero-news .btn-custom {
            margin-top: 8px;
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            padding: 28px 0 0;
            background: transparent;
            font-size: 0.88rem;
            color: var(--color-muted);
        }
        .breadcrumb-bar a {
            color: var(--color-muted);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-sep {
            margin: 0 8px;
            color: var(--color-muted-light);
        }
        .breadcrumb-current {
            color: var(--color-accent);
            font-weight: 600;
        }
        /* Battle cards */
        .battle-top-section {
            background: var(--color-bg-warm);
        }
        .battle-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition-bounce);
        }
        .battle-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .battle-card .battle-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16/10;
            background: var(--color-bg-light);
        }
        .battle-card .battle-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .battle-card .battle-img-wrap .battle-status {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(28,26,23,0.78);
            color: #F0EAE2;
            font-size: 0.76rem;
            font-weight: 650;
            backdrop-filter: blur(6px);
        }
        .battle-card .battle-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .battle-card .battle-date {
            font-size: 0.82rem;
            color: var(--color-muted);
            font-weight: 550;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 10px;
        }
        .battle-card .battle-title {
            font-size: 1.45rem;
            font-weight: 750;
            letter-spacing: -0.01em;
            line-height: 1.35;
            margin-bottom: 8px;
            color: var(--color-ink);
        }
        .battle-card .battle-teams {
            font-size: 0.98rem;
            color: var(--color-muted);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .battle-card .battle-teams .vs {
            color: var(--color-accent);
            font-weight: 700;
            font-size: 0.88rem;
        }
        .battle-card .battle-reward {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--color-accent-soft);
            color: var(--color-accent-deep);
            font-weight: 650;
            font-size: 0.85rem;
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .battle-card .battle-result {
            font-size: 0.86rem;
            color: var(--color-teal);
            font-weight: 550;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .battle-card .battle-result .badge-result {
            padding: 3px 10px;
            border-radius: 999px;
            background: var(--color-teal-soft);
            color: var(--color-teal);
            font-weight: 650;
        }
        .battle-card:nth-child(even) .battle-img-wrap {
            order: 2;
        }
        .battle-card:nth-child(even) .battle-info {
            order: 1;
        }
        /* Timeline */
        .timeline-section {
            background: var(--color-bg-light);
        }
        .timeline-list {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding-left: 0;
            list-style: none;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-accent) 0%, rgba(176,125,68,0.25) 100%);
        }
        .timeline-item {
            position: relative;
            padding-left: 52px;
            margin-bottom: 32px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 9px;
            top: 6px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 4px solid #EFECE6;
            box-shadow: 0 0 0 3px rgba(176,125,68,0.18);
            z-index: 1;
        }
        .timeline-item .timeline-time {
            font-size: 0.8rem;
            font-weight: 650;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .timeline-item .timeline-time .status-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        .timeline-item .timeline-time .status-dot.upcoming {
            background: var(--color-muted-light);
        }
        .timeline-item .timeline-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .timeline-item .timeline-desc {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.65;
            max-width: 600px;
        }
        .timeline-item .timeline-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 650;
            margin-top: 6px;
        }
        .timeline-item .timeline-tag.live {
            background: var(--color-danger-soft);
            color: var(--color-danger);
        }
        .timeline-item .timeline-tag.closed {
            background: rgba(160,152,140,0.15);
            color: var(--color-muted);
        }
        .timeline-item .timeline-tag.scheduled {
            background: var(--color-teal-soft);
            color: var(--color-teal);
        }
        /* FAQ */
        .faq-section .accordion-item {
            border: none;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-xs);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-section .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-section .accordion-button {
            background: var(--color-surface);
            color: var(--color-ink);
            font-weight: 650;
            font-size: 1.02rem;
            padding: 18px 22px;
            border: none;
            border-radius: var(--radius-md);
            box-shadow: none;
            position: relative;
            transition: var(--transition);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--color-surface);
            color: var(--color-ink);
            box-shadow: none;
            border-left: 3px solid var(--color-accent);
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }
        .faq-section .accordion-button::after {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            background-size: 20px;
            transition: transform 0.3s ease;
            color: var(--color-accent);
        }
        .faq-section .accordion-body {
            background: var(--color-surface-soft);
            color: var(--color-muted);
            font-size: 0.96rem;
            line-height: 1.75;
            padding: 16px 22px 20px;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-ink) 0%, #2A2725 50%, #1C1A17 100%);
            color: #F0EAE2;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(176,125,68,0.16) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section .section-title {
            color: #F0EAE2;
        }
        .cta-section .section-lead {
            color: rgba(240,234,226,0.75);
        }
        .cta-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-lg);
            padding: 36px;
            backdrop-filter: blur(8px);
        }
        .cta-card .form-label {
            color: rgba(240,234,226,0.85);
            font-size: 0.88rem;
            font-weight: 550;
            margin-bottom: 6px;
        }
        .cta-card .form-control {
            background: rgba(255,255,255,0.08);
            border: none;
            border-bottom: 2px solid rgba(240,234,226,0.3);
            border-radius: var(--radius-sm);
            color: #F0EAE2;
            padding: 12px 14px;
            transition: var(--transition);
            font-size: 0.96rem;
        }
        .cta-card .form-control::placeholder {
            color: rgba(240,234,226,0.5);
        }
        .cta-card .form-control:focus {
            background: rgba(255,255,255,0.12);
            border-bottom-color: var(--color-accent);
            box-shadow: none;
            color: #ffffff;
            outline: none;
        }
        .cta-card .form-control option {
            color: var(--color-ink);
            background: #fff;
        }
        .cta-side-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 20px;
        }
        .cta-side-item .side-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .cta-side-item .side-text {
            color: rgba(240,234,226,0.8);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .cta-side-item .side-text strong {
            display: block;
            color: #F0EAE2;
            font-size: 0.98rem;
            margin-bottom: 2px;
        }
        /* Footer */
        .footer {
            background: var(--color-ink);
            color: rgba(240,234,226,0.7);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 750;
            font-size: 1.2rem;
            color: #F0EAE2;
            margin-bottom: 12px;
        }
        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
        }
        .footer-desc {
            color: rgba(240,234,226,0.6);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 400px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 18px;
        }
        .footer-links li {
            display: inline;
        }
        .footer-links a {
            color: rgba(240,234,226,0.7);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(240,234,226,0.1);
            margin-top: 32px;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            color: rgba(240,234,226,0.5);
            font-size: 0.82rem;
        }
        /* Responsive */
        @media (max-width: 992px) {
            .navbar-custom {
                top: 10px;
            }
            .navbar-inner {
                padding: 6px 12px;
                border-radius: 24px;
                flex-wrap: nowrap;
                gap: 6px;
                width: auto;
            }
            .navbar-brand-custom .brand-text {
                font-size: 1rem;
            }
            .nav-link-custom {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .navbar-cta .btn-custom {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero-news {
                min-height: 45vh;
                padding: 100px 0 48px;
            }
            .battle-card {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 22px;
            }
            .battle-card:nth-child(even) .battle-img-wrap {
                order: 1;
            }
            .battle-card:nth-child(even) .battle-info {
                order: 2;
            }
            .battle-card .battle-img-wrap {
                aspect-ratio: 16/9;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom {
                top: 8px;
            }
            .navbar-inner {
                border-radius: 20px;
                padding: 5px 10px;
                gap: 4px;
                width: auto;
                max-width: calc(100vw - 20px);
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .navbar-brand-custom .brand-text {
                font-size: 0.92rem;
            }
            .nav-link-custom {
                font-size: 0.75rem;
                padding: 5px 8px;
            }
            .navbar-cta .btn-custom {
                padding: 6px 12px;
                font-size: 0.72rem;
            }
            .hero-news {
                min-height: 40vh;
                padding: 90px 0 40px;
            }
            .hero-news h1 {
                font-size: clamp(1.6rem,4.5vw,2.2rem);
            }
            .battle-card {
                padding: 18px;
            }
            .battle-card .battle-title {
                font-size: 1.2rem;
            }
            .cta-card {
                padding: 24px;
            }
            .timeline-list::before {
                left: 12px;
            }
            .timeline-item {
                padding-left: 38px;
            }
            .timeline-item::before {
                left: 4px;
                width: 16px;
                height: 16px;
                border-width: 3px;
            }
            .footer-links {
                gap: 4px 12px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-inner {
                border-radius: 18px;
                padding: 4px 8px;
                gap: 2px;
            }
            .navbar-brand-custom .brand-text {
                font-size: 0.85rem;
            }
            .nav-link-custom {
                font-size: 0.68rem;
                padding: 4px 6px;
            }
            .navbar-cta .btn-custom {
                padding: 5px 10px;
                font-size: 0.68rem;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .hero-news {
                min-height: 38vh;
                padding: 80px 0 32px;
            }
            .hero-news h1 {
                font-size: 1.5rem;
            }
            .hero-news .hero-lead {
                font-size: 0.9rem;
            }
            .battle-card .battle-title {
                font-size: 1.1rem;
            }
            .cta-card {
                padding: 16px;
            }
            .btn-custom {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
            .section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }

/* roulang page: category5 */
:root {
            --color-bg-warm: #F6F2EC;
            --color-bg-light: #EFECE6;
            --color-surface: #FFFFFF;
            --color-surface-soft: #F9F7F2;
            --color-ink: #1C1A17;
            --color-ink-soft: #2A2725;
            --color-muted: #6B645B;
            --color-muted-light: #A0988C;
            --color-accent: #B07D44;
            --color-accent-deep: #96683A;
            --color-accent-soft: rgba(176, 125, 68, 0.12);
            --color-teal: #3F4B4A;
            --color-teal-soft: rgba(63, 75, 74, 0.08);
            --color-danger: #8C3A2B;
            --color-danger-soft: rgba(140, 58, 43, 0.1);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.04);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
            --shadow-nav: 0 2px 14px rgba(0,0,0,0.06);
            --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --container-max: 1200px;
            --section-pad-desktop: 88px;
            --section-pad-tablet: 56px;
            --section-pad-mobile: 42px;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-bounce: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.72;
            color: var(--color-ink);
            background-color: var(--color-bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
            position: relative;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 750;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 12px;
        }

        .section-title .accent {
            color: var(--color-accent);
        }

        .section-lead {
            font-size: 1.02rem;
            line-height: 1.78;
            color: var(--color-muted);
            max-width: 720px;
            margin-bottom: 36px;
        }

        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-weight: 650;
            font-size: 0.96rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            transition: var(--transition-bounce);
            position: relative;
            white-space: nowrap;
        }

        .btn-custom:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .btn-custom:active {
            transform: translateY(1px);
        }

        .btn-primary-custom {
            background-color: var(--color-accent);
            color: #FFFFFF;
        }

        .btn-primary-custom:hover {
            background-color: var(--color-accent-deep);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 0 0 4px rgba(176, 125, 68, 0.18), 0 8px 24px rgba(176, 125, 68, 0.28);
        }

        .btn-outline-custom {
            background-color: transparent;
            color: var(--color-ink);
            border: 1px solid rgba(28, 26, 23, 0.35);
        }

        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 0 0 3px rgba(176, 125, 68, 0.08);
        }

        .btn-outline-custom.btn-on-dark {
            color: #F0EAE2;
            border-color: rgba(240, 234, 226, 0.45);
        }

        .btn-outline-custom.btn-on-dark:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== Navbar ===== */
        .navbar-custom {
            position: sticky;
            top: 16px;
            z-index: 1050;
            margin-top: 16px;
            padding: 0 16px;
            pointer-events: none;
        }

        .navbar-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(28, 26, 23, 0.06);
            pointer-events: auto;
            transition: var(--transition);
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 750;
            font-size: 1.15rem;
            color: var(--color-ink);
            white-space: nowrap;
        }

        .navbar-brand-custom:hover {
            color: var(--color-ink);
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--color-accent), var(--color-accent-deep));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex: 0 0 auto;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link-custom {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 550;
            color: var(--color-ink-soft);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link-custom:hover {
            color: var(--color-accent);
        }

        .nav-link-custom.active {
            color: var(--color-accent);
            font-weight: 650;
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 2px;
            transform: translateX(-50%);
            width: 12px;
            height: 3px;
            border-radius: 999px;
            background: var(--color-accent);
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            margin-left: 4px;
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.6rem;
            color: var(--color-ink);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

        /* ===== Guide Page Specific ===== */
        .guide-breadcrumb {
            padding: 28px 0 0;
            font-size: 0.9rem;
            color: var(--color-muted);
        }

        .guide-breadcrumb a {
            color: var(--color-muted);
        }

        .guide-breadcrumb a:hover {
            color: var(--color-accent);
        }

        .guide-breadcrumb .sep {
            margin: 0 8px;
            color: var(--color-muted-light);
        }

        .guide-page-title {
            padding: 20px 0 36px;
        }

        .guide-page-title h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-ink);
            margin-bottom: 10px;
        }

        .guide-page-title h1 .accent {
            color: var(--color-accent);
        }

        .guide-page-title .sub {
            font-size: 1.02rem;
            color: var(--color-muted);
            max-width: 680px;
        }

        .guide-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 36px;
            align-items: start;
            padding-bottom: 60px;
        }

        .guide-toc {
            position: sticky;
            top: 100px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(28, 26, 23, 0.05);
        }

        .guide-toc-title {
            font-size: 0.88rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-muted-light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .guide-toc a {
            display: block;
            padding: 9px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            color: var(--color-ink-soft);
            transition: var(--transition);
            border-left: 2px solid transparent;
        }

        .guide-toc a:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border-left-color: var(--color-accent);
        }

        .guide-toc a.active-toc {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }

        .guide-main {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .guide-chapter {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(28, 26, 23, 0.05);
            transition: var(--transition);
        }

        .guide-chapter:hover {
            box-shadow: var(--shadow-md);
        }

        .guide-chapter.alt-bg {
            background: var(--color-surface-soft);
        }

        .guide-chapter-header {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 20px;
        }

        .guide-chapter-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-accent-soft);
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex: 0 0 auto;
        }

        .guide-chapter-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: -0.01em;
            margin: 0;
        }

        .guide-chapter-desc {
            font-size: 0.95rem;
            color: var(--color-muted);
            margin-top: 4px;
            margin-bottom: 0;
        }

        .guide-item {
            padding: 16px 0;
            border-top: 1px solid rgba(28, 26, 23, 0.06);
        }

        .guide-item:first-of-type {
            border-top: none;
        }

        .guide-item-question {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 6px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .guide-item-question .q-mark {
            color: var(--color-accent);
            font-weight: 800;
            flex: 0 0 auto;
        }

        .guide-item-answer {
            font-size: 0.94rem;
            color: var(--color-muted);
            line-height: 1.75;
            margin: 0;
            padding-left: 22px;
        }

        .guide-item-answer strong {
            color: var(--color-ink-soft);
            font-weight: 600;
        }

        .guide-note {
            background: var(--color-teal-soft);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            font-size: 0.9rem;
            color: var(--color-teal);
            display: flex;
            gap: 10px;
            align-items: flex-start;
            margin-top: 16px;
        }

        .guide-note i {
            flex: 0 0 auto;
            margin-top: 2px;
        }

        .guide-note.warn {
            background: var(--color-danger-soft);
            color: var(--color-danger);
        }

        .guide-note strong {
            font-weight: 700;
        }

        .guide-cover-wrap {
            margin-top: 8px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(28, 26, 23, 0.06);
            aspect-ratio: 16 / 7;
        }

        .guide-cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--color-ink);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(176, 125, 68, 0.25), transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 750;
            color: #F0EAE2;
            margin-bottom: 8px;
        }

        .cta-section p {
            color: rgba(240, 234, 226, 0.72);
            margin-bottom: 20px;
            max-width: 520px;
        }

        .cta-section .btn-custom {
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-ink);
            padding: 56px 0 28px;
            color: rgba(240, 234, 226, 0.7);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 750;
            color: #F0EAE2;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 360px;
            color: rgba(240, 234, 226, 0.6);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
        }

        .footer-links a {
            color: rgba(240, 234, 226, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            padding: 4px 0;
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            border-top: 1px solid rgba(240, 234, 226, 0.1);
            margin-top: 36px;
            padding-top: 20px;
            font-size: 0.84rem;
            color: rgba(240, 234, 226, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .guide-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .guide-toc {
                position: static;
                display: flex;
                flex-wrap: wrap;
                gap: 6px;
                padding: 14px 16px;
            }
            .guide-toc-title {
                width: 100%;
                margin-bottom: 4px;
            }
            .guide-toc a {
                padding: 7px 12px;
                font-size: 0.86rem;
                border-left: none;
                border-radius: var(--radius-pill);
                background: var(--color-surface-soft);
            }
            .guide-toc a:hover,
            .guide-toc a.active-toc {
                border-left: none;
                background: var(--color-accent-soft);
            }
            .cta-section {
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding-top: var(--section-pad-tablet);
                padding-bottom: var(--section-pad-tablet);
            }
            .navbar-custom {
                top: 8px;
                margin-top: 8px;
                padding: 0 8px;
            }
            .navbar-inner {
                padding: 6px 10px;
                gap: 8px;
            }
            .navbar-brand-custom {
                font-size: 1rem;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .navbar-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: #fff;
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-lg);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                border: 1px solid rgba(28, 26, 23, 0.06);
            }
            .navbar-links.show {
                display: flex;
            }
            .nav-link-custom {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .nav-link-custom.active::after {
                display: none;
            }
            .nav-link-custom.active {
                background: var(--color-accent-soft);
            }
            .navbar-toggler-custom {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .navbar-cta {
                margin-left: auto;
            }
            .navbar-cta .btn-custom {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .guide-page-title h1 {
                font-size: 1.7rem;
            }
            .guide-chapter {
                padding: 20px 18px;
            }
            .guide-chapter-title {
                font-size: 1.1rem;
            }
            .guide-item-answer {
                padding-left: 0;
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .footer {
                padding: 40px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 576px) {
            .section {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
            .guide-page-title {
                padding: 12px 0 24px;
            }
            .guide-page-title h1 {
                font-size: 1.45rem;
            }
            .guide-toc a {
                font-size: 0.82rem;
                padding: 6px 10px;
            }
            .guide-chapter {
                padding: 16px 14px;
            }
            .guide-chapter-header {
                gap: 10px;
            }
            .guide-chapter-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .guide-item-question {
                font-size: 0.92rem;
            }
            .guide-item-answer {
                font-size: 0.86rem;
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .btn-custom {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
        }