/* roulang page: index */
:root {
            --bg-chrome: #1A151F;
            --bg-surface: #241D2A;
            --bg-surface-alt: #2A2130;
            --primary: #D9A441;
            --primary-glow: rgba(217, 164, 65, 0.35);
            --accent-magenta: #A8366B;
            --accent-violet: #46327A;
            --accent-copper: #C0563A;
            --cta-green: #2E8B6A;
            --cta-green-bright: #3DA880;
            --text-main: #F3EEE6;
            --text-sub: #B7A98F;
            --text-dim: #8A7E6A;
            --border: rgba(217, 164, 65, 0.28);
            --border-strong: rgba(217, 164, 65, 0.5);
            --danger: #8B2E2E;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.55);
            --radius-card: 14px;
            --radius-btn: 999px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-chrome);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 76px;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(26, 21, 31, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 0 16px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: -0.01em;
            color: var(--text-main);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), #B98A2E);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-chrome);
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 14px;
            letter-spacing: 0.02em;
        }
        .nav-logo-text .nav-brand-full {
            display: none;
        }
        @media (min-width: 768px) {
            .nav-logo-text .nav-brand-full {
                display: inline;
            }
            .nav-logo-text .nav-brand-short {
                display: none;
            }
            .nav-logo-text {
                font-size: 15px;
            }
        }

        .nav-center {
            display: none;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            min-width: 0;
        }
        @media (min-width: 768px) {
            .nav-center {
                display: flex;
            }
        }

        .nav-link {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-link:hover {
            color: var(--text-main);
            background: rgba(217, 164, 65, 0.08);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(217, 164, 65, 0.12);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-search {
            display: none;
            align-items: center;
            background: rgba(36, 29, 42, 0.8);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
            gap: 8px;
            min-width: 180px;
            transition: border-color var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--border-strong);
        }
        .nav-search input {
            width: 100%;
            font-size: 13px;
            color: var(--text-main);
            background: transparent;
        }
        .nav-search input::placeholder {
            color: var(--text-dim);
        }
        .nav-search i {
            color: var(--text-dim);
            font-size: 12px;
        }
        @media (min-width: 768px) {
            .nav-search {
                display: flex;
            }
        }

        .nav-btn-login {
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-btn-login:hover {
            border-color: var(--border-strong);
            color: var(--text-main);
            background: rgba(217, 164, 65, 0.08);
        }
        @media (max-width: 767px) {
            .nav-btn-login {
                display: none;
            }
        }

        .nav-btn-cta {
            padding: 8px 18px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--cta-green), var(--cta-green-bright));
            font-size: 13px;
            font-weight: 700;
            color: #FFFFFF;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(46, 139, 106, 0.35);
            transition: all var(--transition-fast);
        }
        .nav-btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(46, 139, 106, 0.45);
            filter: brightness(1.1);
        }
        .nav-btn-cta:focus-visible,
        .nav-link:focus-visible,
        .nav-btn-login:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .nav-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(36, 29, 42, 0.7);
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 18px;
        }
        .nav-hamburger:hover {
            background: rgba(217, 164, 65, 0.1);
        }
        @media (min-width: 768px) {
            .nav-hamburger {
                display: none;
            }
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 82%;
            max-width: 340px;
            height: 100vh;
            z-index: 200;
            background: var(--bg-surface);
            border-left: 1px solid var(--border-strong);
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            z-index: 199;
            background: rgba(0, 0, 0, 0.55);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-fast);
        }
        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }
        .drawer-search {
            display: flex;
            align-items: center;
            background: rgba(26, 21, 31, 0.8);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 14px;
            gap: 8px;
            margin-bottom: 6px;
        }
        .drawer-search input {
            width: 100%;
            font-size: 13px;
            color: var(--text-main);
        }
        .drawer-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(217, 164, 65, 0.1);
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-link {
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            background: rgba(26, 21, 31, 0.5);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }
        .drawer-link:hover,
        .drawer-link.active {
            color: var(--primary);
            background: rgba(217, 164, 65, 0.08);
            border-color: var(--border);
        }

        /* ===== Hero ===== */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 72px;
            background: linear-gradient(180deg, #1E1723 0%, var(--bg-chrome) 100%);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(217, 164, 65, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 70%, rgba(168, 54, 107, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 50%, rgba(46, 139, 106, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-inner {
            display: flex;
            flex-direction: column;
            gap: 36px;
            position: relative;
            z-index: 1;
        }
        @media (min-width: 768px) {
            .hero-inner {
                flex-direction: row;
                align-items: center;
                gap: 48px;
            }
        }
        .hero-text {
            flex: 1;
            min-width: 0;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(217, 164, 65, 0.1);
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .hero-kicker i {
            font-size: 12px;
        }
        .hero-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .hero-title .highlight {
            color: var(--primary);
            text-shadow: 0 0 24px var(--primary-glow);
        }
        .hero-desc {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-sub);
            max-width: 560px;
            margin-bottom: 24px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .btn-primary {
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--cta-green), var(--cta-green-bright));
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 4px 16px rgba(46, 139, 106, 0.35);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(46, 139, 106, 0.5);
            filter: brightness(1.12);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-secondary {
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-strong);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            background: rgba(36, 29, 42, 0.6);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            background: rgba(217, 164, 65, 0.12);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat .stat-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
        .hero-stat .stat-label {
            font-size: 12px;
            color: var(--text-dim);
            letter-spacing: 0.02em;
        }

        .hero-panel {
            flex: 1;
            min-width: 0;
            background: rgba(36, 29, 42, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .hero-panel-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-sub);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .hero-icon-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }
        @media (max-width: 480px) {
            .hero-icon-grid {
                grid-template-columns: 1fr;
            }
        }
        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 12px;
            background: rgba(26, 21, 31, 0.6);
            border: 1px solid rgba(217, 164, 65, 0.15);
            transition: all var(--transition-fast);
        }
        .hero-icon-item:hover {
            border-color: var(--border-strong);
            background: rgba(217, 164, 65, 0.06);
            transform: translateY(-2px);
        }
        .hero-icon-item .icon-box {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .icon-box.magenta {
            background: rgba(168, 54, 107, 0.2);
            color: #E06A9E;
        }
        .icon-box.violet {
            background: rgba(70, 50, 122, 0.25);
            color: #8E7BD0;
        }
        .icon-box.copper {
            background: rgba(192, 86, 58, 0.2);
            color: #E8987A;
        }
        .icon-box.green {
            background: rgba(46, 139, 106, 0.2);
            color: #6ED4AC;
        }
        .hero-icon-item .icon-text {
            font-size: 13px;
            color: var(--text-sub);
            font-weight: 500;
            line-height: 1.4;
        }

        .hero-mini-status {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .mini-status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--cta-green);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        .mini-status-text {
            font-size: 12px;
            color: var(--text-dim);
        }

        /* ===== Sections ===== */
        .section {
            padding: 72px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .section-alt {
            background: var(--bg-surface);
        }
        .section-label {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .section-round {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            background: rgba(217, 164, 65, 0.08);
        }
        .section-label-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 28px;
            }
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.9;
            max-width: 680px;
            margin-bottom: 28px;
        }
        .section-head-row {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 24px;
        }
        @media (min-width: 768px) {
            .section-head-row {
                flex-direction: row;
                align-items: flex-end;
                justify-content: space-between;
                gap: 24px;
            }
        }
        .section-head-row .section-desc {
            margin-bottom: 0;
        }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .card-grid.two-col {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.three-col {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid.four-col {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .card-grid.three-col {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid.four-col {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            overflow: hidden;
            position: relative;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
        }
        .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            border-radius: 12px 12px 0 0;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #fff;
            z-index: 2;
        }
        .badge-featured {
            background: linear-gradient(135deg, #D9A441, #C08A32);
        }
        .badge-hot {
            background: linear-gradient(135deg, #C0563A, #A8432E);
        }
        .badge-new {
            background: linear-gradient(135deg, #2E8B6A, #26785A);
        }
        .card-body {
            padding: 16px 18px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .card-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .tag {
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .tag-magenta {
            background: rgba(168, 54, 107, 0.18);
            color: #E06A9E;
            border: 1px solid rgba(168, 54, 107, 0.35);
        }
        .tag-violet {
            background: rgba(70, 50, 122, 0.22);
            color: #8E7BD0;
            border: 1px solid rgba(70, 50, 122, 0.4);
        }
        .tag-copper {
            background: rgba(192, 86, 58, 0.18);
            color: #E8987A;
            border: 1px solid rgba(192, 86, 58, 0.35);
        }
        .tag-gold {
            background: rgba(217, 164, 65, 0.14);
            color: var(--primary);
            border: 1px solid rgba(217, 164, 65, 0.35);
        }
        .tag-green {
            background: rgba(46, 139, 106, 0.16);
            color: #6ED4AC;
            border: 1px solid rgba(46, 139, 106, 0.35);
        }

        /* ===== Category entry cards ===== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .category-entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .category-entry-card {
            position: relative;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition-med);
            aspect-ratio: 3/4;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-card);
        }
        .category-entry-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
        }
        .category-entry-card .bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .category-entry-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,21,31,0.3) 0%, rgba(26,21,31,0.75) 60%, rgba(26,21,31,0.9) 100%);
            z-index: 1;
        }
        .category-entry-content {
            position: relative;
            z-index: 2;
            padding: 20px;
            width: 100%;
        }
        .category-entry-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
            color: #fff;
        }
        .category-entry-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .category-entry-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .category-entry-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: gap var(--transition-fast);
        }
        .category-entry-link:hover {
            gap: 10px;
        }

        /* ===== List / Updates ===== */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .update-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(217, 164, 65, 0.1);
            transition: all var(--transition-fast);
        }
        .update-item:last-child {
            border-bottom: none;
        }
        .update-item:hover {
            padding-left: 6px;
            background: rgba(217, 164, 65, 0.04);
            border-radius: 8px;
        }
        .update-item .update-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }
        .update-item .update-content {
            flex: 1;
            min-width: 0;
        }
        .update-item .update-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .update-item .update-meta {
            font-size: 12px;
            color: var(--text-dim);
        }
        .update-item .update-date {
            font-size: 12px;
            color: var(--text-dim);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg-surface);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.active {
            border-color: var(--border-strong);
            background: rgba(217, 164, 65, 0.04);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-dim);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-answer-inner {
            padding: 0 18px 16px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* ===== Comparison table ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            background: var(--bg-surface);
        }
        @media (min-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .comparison-col {
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .comparison-col.advantage {
            border-bottom: 1px solid var(--border);
        }
        @media (min-width: 768px) {
            .comparison-col.advantage {
                border-bottom: none;
                border-right: 1px solid var(--border);
            }
        }
        .comparison-col-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .comparison-col-title.other {
            color: var(--danger);
        }
        .comparison-row {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }
        .comparison-row i {
            margin-top: 3px;
            font-size: 11px;
            flex-shrink: 0;
        }
        .comparison-row i.fa-check {
            color: var(--cta-green-bright);
        }
        .comparison-row i.fa-xmark {
            color: #B85656;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, rgba(46, 139, 106, 0.15), rgba(36, 29, 42, 0.9) 60%);
            border: 1px solid rgba(46, 139, 106, 0.35);
            border-radius: 16px;
            padding: 32px 24px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }
        .cta-banner-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
        }
        .cta-banner-desc {
            font-size: 14px;
            color: var(--text-sub);
            max-width: 520px;
            line-height: 1.8;
        }
        .cta-banner .btn-primary {
            margin-top: 4px;
        }

        /* ===== Bottom fixed CTA bar ===== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(26, 21, 31, 0.92);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-strong);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .bottom-cta-text {
            flex: 1;
            min-width: 0;
        }
        .bottom-cta-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .bottom-cta-sub {
            font-size: 11px;
            color: var(--text-dim);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .bottom-cta-btn {
            padding: 8px 20px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--cta-green), var(--cta-green-bright));
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(46, 139, 106, 0.35);
            transition: all var(--transition-fast);
        }
        .bottom-cta-btn:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
        }
        .bottom-cta-close {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-dim);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .bottom-cta-close:hover {
            background: rgba(255, 255, 255, 0.16);
            color: var(--text-main);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-chrome);
            border-top: 1px solid var(--border);
            padding: 48px 0 32px;
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 48px;
            }
        }
        .footer-brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-links-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .footer-link-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-link {
            font-size: 13px;
            color: var(--text-sub);
            transition: all var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--text-main);
            padding-left: 4px;
        }
        .footer-copy {
            margin-top: 32px;
            padding-top: 16px;
            border-top: 1px solid rgba(217, 164, 65, 0.1);
            font-size: 12px;
            color: var(--text-dim);
            text-align: center;
        }

        /* ===== Toast / misc ===== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Responsive adjustments ===== */
        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }
            .hero-section {
                padding-top: 96px;
                padding-bottom: 48px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .comparison-col {
                padding: 20px 16px;
            }
            .cta-banner {
                padding: 24px 16px;
            }
            .cta-banner-title {
                font-size: 18px;
            }
        }
        @media (max-width: 480px) {
            .hero-title {
                font-size: 24px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 18px;
                font-size: 14px;
            }
            .nav-logo-text {
                font-size: 12px;
            }
            .bottom-cta-bar {
                gap: 8px;
                padding: 8px 10px;
            }
            .bottom-cta-btn {
                padding: 6px 14px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-chrome: #1A151F;
            --bg-surface: #241D2A;
            --bg-surface-alt: #2A2130;
            --primary: #D9A441;
            --primary-glow: rgba(217, 164, 65, 0.35);
            --accent-magenta: #A8366B;
            --accent-violet: #46327A;
            --accent-copper: #C0563A;
            --cta-green: #2E8B6A;
            --cta-green-bright: #3DA880;
            --text-main: #F3EEE6;
            --text-sub: #B7A98F;
            --text-dim: #8A7E6A;
            --border: rgba(217, 164, 65, 0.28);
            --border-strong: rgba(217, 164, 65, 0.5);
            --danger: #8B2E2E;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.55);
            --radius-card: 14px;
            --radius-btn: 999px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-chrome);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(26, 21, 31, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 0 16px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: -0.01em;
            color: var(--text-main);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), #B98A2E);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-chrome);
            font-size: 14px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 14px;
            letter-spacing: 0.02em;
            display: none;
        }

        @media (min-width: 768px) {
            .nav-logo-text {
                display: block;
                font-size: 15px;
            }
        }

        .nav-center {
            display: none;
            align-items: center;
            gap: 4px;
            flex-shrink: 1;
            min-width: 0;
        }

        @media (min-width: 768px) {
            .nav-center {
                display: flex;
            }
        }

        .nav-link {
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-main);
            background: rgba(217, 164, 65, 0.08);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(217, 164, 65, 0.12);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-search {
            display: none;
            align-items: center;
            background: rgba(36, 29, 42, 0.8);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
            gap: 8px;
            min-width: 180px;
            transition: border-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--border-strong);
        }

        .nav-search input {
            width: 100%;
            font-size: 13px;
            color: var(--text-main);
            background: transparent;
        }

        .nav-search input::placeholder {
            color: var(--text-dim);
        }

        .nav-search i {
            color: var(--text-dim);
            font-size: 12px;
        }

        @media (min-width: 1024px) {
            .nav-search {
                display: flex;
            }
        }

        .nav-btn-login {
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-btn-login:hover {
            border-color: var(--border-strong);
            color: var(--text-main);
            background: rgba(217, 164, 65, 0.08);
        }

        .nav-btn-publish {
            padding: 8px 18px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--cta-green), var(--cta-green-bright));
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-med);
            box-shadow: 0 4px 16px rgba(46, 139, 106, 0.35);
        }

        .nav-btn-publish:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(46, 139, 106, 0.5);
            filter: brightness(1.1);
        }

        .nav-btn-publish:active {
            transform: translateY(0) scale(0.97);
        }

        .nav-btn-publish:focus-visible,
        .nav-btn-login:focus-visible,
        .nav-link:focus-visible {
            outline: 2px solid var(--border-strong);
            outline-offset: 2px;
        }

        .nav-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 18px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover {
            border-color: var(--border-strong);
            background: rgba(217, 164, 65, 0.08);
        }

        @media (min-width: 768px) {
            .nav-hamburger {
                display: none;
            }
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-strong);
            z-index: 99;
            padding: 16px;
            display: none;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-hover);
        }

        .mobile-drawer.is-open {
            display: flex;
        }

        .mobile-drawer .nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            border-radius: 10px;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding-top: 64px;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--bg-chrome);
            overflow: hidden;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/2af97b1bd5ecce37.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 21, 31, 0.72) 0%, rgba(26, 21, 31, 0.88) 60%, var(--bg-chrome) 100%);
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 56px 0 48px;
        }

        .category-hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-dim);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .category-hero-breadcrumb a {
            color: var(--text-sub);
            transition: color var(--transition-fast);
        }

        .category-hero-breadcrumb a:hover {
            color: var(--primary);
        }

        .category-hero-breadcrumb .sep {
            color: var(--border-strong);
        }

        .category-hero-breadcrumb .current {
            color: var(--primary);
        }

        .category-hero h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .category-hero h1 .hl {
            color: var(--primary);
        }

        .category-hero .sub {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .category-hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-dim);
        }

        .category-hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-hero-meta .meta-item i {
            color: var(--primary);
            font-size: 12px;
        }

        @media (min-width: 768px) {
            .category-hero {
                min-height: 380px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .category-hero .sub {
                font-size: 17px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 48px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-surface);
        }

        .section-title-wrap {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 28px;
        }

        .section-title-deco {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 2px solid var(--border-strong);
            background: rgba(217, 164, 65, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition-med);
        }

        .section-title-wrap:hover .section-title-deco {
            transform: rotate(8deg);
            border-color: var(--primary);
        }

        .section-title-text {
            flex: 1;
            min-width: 0;
        }

        .section-title-text h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 4px;
            letter-spacing: -0.01em;
        }

        .section-title-text p {
            font-size: 14px;
            color: var(--text-dim);
            margin: 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 72px 0;
            }
            .section-title-text h2 {
                font-size: 26px;
            }
            .section-title-text p {
                font-size: 15px;
            }
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 12px 16px;
            margin-bottom: 32px;
        }

        .filter-label {
            font-size: 13px;
            color: var(--text-dim);
            font-weight: 500;
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-chip {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            border: 1px solid var(--border);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-chip:hover {
            color: var(--text-main);
            border-color: var(--border-strong);
            background: rgba(217, 164, 65, 0.06);
        }

        .filter-chip.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 12px var(--primary-glow);
        }

        .filter-chip:focus-visible {
            outline: 2px solid var(--border-strong);
            outline-offset: 2px;
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
            font-size: 13px;
            color: var(--text-dim);
        }

        .filter-sort select {
            background: var(--bg-surface-alt);
            border: 1px solid var(--border);
            border-radius: 999px;
            color: var(--text-main);
            font-size: 13px;
            padding: 6px 14px;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            font-family: inherit;
        }

        .filter-sort select:focus-visible {
            outline: 2px solid var(--border-strong);
        }

        /* ===== Category List ===== */
        .cat-list-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .cat-list-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (min-width: 1024px) {
            .cat-list-grid {
                grid-template-columns: 2fr 1fr;
                gap: 28px;
                align-items: start;
            }
        }

        .cat-list-main {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .cat-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            position: relative;
        }

        .cat-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
        }

        .cat-card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .cat-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

        .cat-card:hover .cat-card-img-wrap img {
            transform: scale(1.04);
        }

        .cat-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
        }

        .cat-card-badge.hot {
            background: rgba(168, 54, 107, 0.9);
            color: #fff;
        }

        .cat-card-badge.new {
            background: rgba(46, 139, 106, 0.9);
            color: #fff;
        }

        .cat-card-badge.featured {
            background: rgba(217, 164, 65, 0.9);
            color: var(--bg-chrome);
        }

        .cat-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cat-card-top {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .cat-card-tag {
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .cat-card-tag.magenta {
            background: rgba(168, 54, 107, 0.18);
            color: #D66B9C;
            border: 1px solid rgba(168, 54, 107, 0.4);
        }

        .cat-card-tag.violet {
            background: rgba(70, 50, 122, 0.22);
            color: #9B8AC9;
            border: 1px solid rgba(70, 50, 122, 0.45);
        }

        .cat-card-tag.copper {
            background: rgba(192, 86, 58, 0.18);
            color: #D68B6A;
            border: 1px solid rgba(192, 86, 58, 0.4);
        }

        .cat-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }

        .cat-card:hover .cat-card-title {
            color: var(--primary);
        }

        .cat-card-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .cat-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid rgba(217, 164, 65, 0.15);
        }

        .cat-card-stats {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-dim);
        }

        .cat-card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .cat-card-stats i {
            font-size: 12px;
            color: var(--primary);
        }

        .cat-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cat-card-link:hover {
            color: #E8BC5A;
            gap: 10px;
        }

        .cat-card-link:focus-visible {
            outline: 2px solid var(--border-strong);
            outline-offset: 2px;
            border-radius: 4px;
        }

        @media (min-width: 768px) {
            .cat-card {
                flex-direction: row;
            }
            .cat-card-img-wrap {
                width: 260px;
                flex-shrink: 0;
                aspect-ratio: auto;
                min-height: 160px;
            }
            .cat-card-body {
                padding: 18px 20px;
            }
            .cat-card-title {
                font-size: 19px;
            }
        }

        /* ===== Sidebar ===== */
        .cat-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-widget {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-widget-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget-title i {
            color: var(--primary);
            font-size: 13px;
        }

        .sidebar-stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .sidebar-stat-item {
            background: var(--bg-surface-alt);
            border: 1px solid rgba(217, 164, 65, 0.15);
            border-radius: 10px;
            padding: 12px;
            text-align: center;
        }

        .sidebar-stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        .sidebar-stat-label {
            font-size: 12px;
            color: var(--text-dim);
        }

        .sidebar-hot-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-hot-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: 10px;
            background: var(--bg-surface-alt);
            transition: all var(--transition-fast);
        }

        .sidebar-hot-item:hover {
            background: rgba(217, 164, 65, 0.08);
        }

        .sidebar-hot-rank {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: rgba(217, 164, 65, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }

        .sidebar-hot-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-hot-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sidebar-hot-meta {
            font-size: 12px;
            color: var(--text-dim);
        }

        /* ===== Topic Cards ===== */
        .topic-card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-med);
            background: var(--bg-surface);
            aspect-ratio: 16/9;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
        }

        .topic-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

        .topic-card:hover img {
            transform: scale(1.06);
        }

        .topic-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 21, 31, 0.3) 0%, rgba(26, 21, 31, 0.85) 70%, rgba(26, 21, 31, 0.95) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 18px;
        }

        .topic-card-overlay h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .topic-card-overlay p {
            font-size: 13px;
            color: var(--text-sub);
        }

        .topic-card-overlay .topic-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            background: rgba(217, 164, 65, 0.85);
            color: var(--bg-chrome);
        }

        @media (min-width: 640px) {
            .topic-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .topic-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* ===== Related Cats ===== */
        .related-cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .related-cat-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-med);
            box-shadow: var(--shadow-card);
        }

        .related-cat-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }

        .related-cat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .related-cat-icon.magenta {
            background: rgba(168, 54, 107, 0.2);
            color: #D66B9C;
            border: 1px solid rgba(168, 54, 107, 0.4);
        }

        .related-cat-icon.violet {
            background: rgba(70, 50, 122, 0.25);
            color: #9B8AC9;
            border: 1px solid rgba(70, 50, 122, 0.45);
        }

        .related-cat-icon.copper {
            background: rgba(192, 86, 58, 0.2);
            color: #D68B6A;
            border: 1px solid rgba(192, 86, 58, 0.4);
        }

        .related-cat-info {
            flex: 1;
            min-width: 0;
        }

        .related-cat-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .related-cat-count {
            font-size: 12px;
            color: var(--text-dim);
        }

        @media (min-width: 768px) {
            .related-cat-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* ===== Update List ===== */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .update-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 8px;
            border-bottom: 1px solid rgba(217, 164, 65, 0.12);
            transition: background var(--transition-fast);
        }

        .update-item:hover {
            background: rgba(217, 164, 65, 0.04);
        }

        .update-item-date {
            font-size: 13px;
            color: var(--text-dim);
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 74px;
        }

        .update-item-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--cta-green);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(46, 139, 106, 0.5);
        }

        .update-item-text {
            flex: 1;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        @media (min-width: 768px) {
            .update-item-text {
                white-space: normal;
            }
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-surface-alt) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 18px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--cta-green), var(--primary));
        }

        .cta-banner h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }

        .cta-banner p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .cta-banner-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--cta-green), var(--cta-green-bright));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-med);
            box-shadow: 0 4px 16px rgba(46, 139, 106, 0.35);
            white-space: nowrap;
        }

        .cta-banner-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(46, 139, 106, 0.5);
            filter: brightness(1.1);
        }

        .cta-banner-btn:active {
            transform: translateY(0) scale(0.97);
        }

        .cta-banner-btn:focus-visible {
            outline: 2px solid var(--border-strong);
            outline-offset: 2px;
        }

        @media (min-width: 768px) {
            .cta-banner {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                padding: 32px 28px;
                gap: 24px;
            }
            .cta-banner-content {
                flex: 1;
                min-width: 0;
            }
            .cta-banner-btn {
                flex-shrink: 0;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 18px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition-med);
            flex-shrink: 0;
        }

        .faq-item.is-open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-med);
            padding: 0 18px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        .faq-item.is-open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--border-strong);
            outline-offset: -2px;
            border-radius: 12px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-chrome);
            border-top: 1px solid var(--border);
            padding: 48px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand-name .nav-logo-icon {
            width: 28px;
            height: 28px;
            font-size: 12px;
            border-radius: 7px;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-links-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .footer-link-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-link {
            font-size: 13px;
            color: var(--text-sub);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-link:hover {
            color: var(--primary);
        }

        .footer-link:focus-visible {
            outline: 2px solid var(--border-strong);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .footer-copy {
            border-top: 1px solid rgba(217, 164, 65, 0.15);
            padding-top: 20px;
            font-size: 12px;
            color: var(--text-dim);
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 48px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-chrome);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* ===== Utility ===== */
        .text-primary {
            color: var(--primary);
        }
        .force-wrap {
            word-break: break-word;
        }