/* roulang page: index */
:root {
            --bg: #0B0C10;
            --surface: #15161C;
            --surface-2: #1C1D25;
            --surface-3: #23242D;
            --text: #F4F1E8;
            --muted: #9C9DA6;
            --primary: #F2B84B;
            --primary-hover: #FFC75F;
            --secondary: #D96C6C;
            --accent: #6FCF97;
            --line: rgba(244,241,232,.12);
            --line-strong: rgba(244,241,232,.22);
            --shadow: 0 10px 30px rgba(0,0,0,.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,.55);
            --chip-blue: #8FA3BF;
            --chip-amber: #F2B84B;
            --chip-purple: #B39DDB;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SF Mono", monospace;
            --transition: 280ms cubic-bezier(.4,0,.2,1);
            --container-max: 1200px;
            --section-pad-desktop: 96px;
            --section-pad-tablet: 64px;
            --section-pad-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: -0.01em;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
            color: var(--text);
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ::selection {
            background: rgba(242,184,75,.28);
            color: var(--text);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11,12,16,.93);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11,12,16,.98);
            box-shadow: 0 4px 24px rgba(0,0,0,.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
            flex-shrink: 0;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #111;
            border-radius: 10px;
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: -0.04em;
            flex-shrink: 0;
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--muted);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text);
            background: rgba(244,241,232,.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(242,184,75,.1);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .chip::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            flex-shrink: 0;
        }

        .chip--warmup {
            color: var(--chip-blue);
            border-color: rgba(143,163,191,.4);
            background: rgba(143,163,191,.08);
        }

        .chip--live {
            color: var(--chip-amber);
            border-color: rgba(242,184,75,.5);
            background: rgba(242,184,75,.12);
        }

        .chip--replay {
            color: var(--chip-purple);
            border-color: rgba(179,157,219,.4);
            background: rgba(179,157,219,.08);
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 10px;
            border: 1px solid var(--line);
            background: transparent;
            transition: all var(--transition);
        }

        .hamburger-btn span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger-btn:hover {
            border-color: var(--primary);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 16px 24px;
            border-top: 1px solid var(--line);
            background: rgba(11,12,16,.98);
            backdrop-filter: blur(10px);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 1rem;
        }

        .mobile-menu .nav-chips {
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 8px;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            padding-top: 120px;
            padding-bottom: 80px;
            background-image: url('/assets/images/669f654208a91066.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 35% 55%, rgba(242,184,75,.12) 0%, transparent 55%),
                        radial-gradient(ellipse at 75% 35%, rgba(217,108,108,.08) 0%, transparent 50%),
                        rgba(11,12,16,.72);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            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='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='0.06'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 2;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            max-width: 620px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(242,184,75,.12);
            border: 1px solid rgba(242,184,75,.3);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-title {
            font-size: clamp(2.6rem, 5.5vw, 4rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.18;
            margin-bottom: 20px;
            color: var(--text);
            position: relative;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            opacity: .6;
        }

        .hero-sub {
            font-size: 1.05rem;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 30px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 34px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(242,184,75,.5);
            outline-offset: 2px;
        }

        .btn:active {
            transform: scale(.98);
        }

        .btn--primary {
            background: var(--primary);
            color: #111;
            border-color: var(--primary);
        }

        .btn--primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(242,184,75,.3);
            color: #111;
        }

        .btn--ghost {
            background: transparent;
            border: 1px solid var(--line-strong);
            color: var(--text);
        }

        .btn--ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn--sm {
            padding: 9px 18px;
            font-size: 0.85rem;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-num {
            font-family: var(--font-mono);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--muted);
            letter-spacing: 0.02em;
        }

        /* Ticket card */
        .ticket-card {
            position: relative;
            background: var(--surface);
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-md);
            padding: 22px 22px 20px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
        }

        .ticket-card::before {
            content: '';
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 22px;
            background: var(--bg);
            border-radius: 50%;
            border: 1px solid var(--line);
            z-index: 2;
        }

        .ticket-card::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 22px;
            background: var(--bg);
            border-radius: 50%;
            border: 1px solid var(--line);
            z-index: 2;
        }

        .ticket-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px dashed var(--line);
        }

        .ticket-card-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .ticket-card-body {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .ticket-region-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .region-chip {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid var(--line-strong);
            color: var(--text);
            background: rgba(244,241,232,.05);
            transition: all var(--transition);
        }

        .region-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .ticket-status-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }

        .ticket-time {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--muted);
            letter-spacing: 0.02em;
        }

        .ticket-divider {
            border-top: 1px dashed var(--line);
            margin: 4px 0;
        }

        .ticket-note {
            font-size: 0.8rem;
            color: var(--muted);
            line-height: 1.6;
            padding-top: 4px;
        }

        /* ========== Section Base ========== */
        .section {
            position: relative;
            padding: var(--section-pad-desktop) 0;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

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

        .section--surface-2 {
            background: var(--surface-2);
        }

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

        .section--no-border {
            border-bottom: none;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            letter-spacing: -0.025em;
            line-height: 1.25;
            margin-bottom: 14px;
            color: var(--text);
        }

        .section-sub {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.75;
            max-width: 640px;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .section-link:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        /* ========== Channel Cards ========== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .channel-card {
            position: relative;
            display: flex;
            flex-direction: column;
            border-radius: var(--radius-md);
            background: var(--surface-2);
            border: 1px solid var(--line);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
        }

        .channel-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .channel-card-image {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

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

        .channel-card:hover .channel-card-image img {
            transform: scale(1.03);
        }

        .channel-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(10,11,12,.88));
        }

        .channel-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }

        .channel-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .channel-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text);
        }

        .channel-card-desc {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.65;
            flex: 1;
        }

        .channel-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--muted);
            font-family: var(--font-mono);
        }

        /* ========== Data Stats ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-block {
            padding: 28px 24px;
            border-radius: var(--radius-md);
            background: var(--surface-2);
            border: 1px solid var(--line);
            text-align: center;
            transition: all var(--transition);
        }

        .stat-block:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .stat-number {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.01em;
        }

        .stat-desc {
            font-size: 0.78rem;
            color: var(--muted);
            margin-top: 4px;
        }

        /* ========== Process Steps ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .step-item {
            position: relative;
            padding: 26px 20px;
            border-radius: var(--radius-md);
            background: var(--surface-2);
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .step-item:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .step-number {
            font-family: var(--font-mono);
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.05em;
            color: rgba(242,184,75,.15);
            line-height: 1;
            margin-bottom: 10px;
        }

        .step-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .step-desc {
            font-size: 0.8rem;
            color: var(--muted);
            line-height: 1.55;
        }

        .step-chip-row {
            margin-top: 10px;
        }

        /* ========== Case Wall ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .case-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--line);
            background: var(--surface-2);
            transition: all var(--transition);
            cursor: pointer;
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .case-card-image {
            position: relative;
            aspect-ratio: 2/3;
            overflow: hidden;
        }

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

        .case-card:hover .case-card-image img {
            transform: scale(1.04);
        }

        .case-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.05) 40%, rgba(10,11,12,.92));
        }

        .case-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .case-card-body {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 18px 16px;
            z-index: 2;
        }

        .case-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 6px;
        }

        .case-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--muted);
            font-family: var(--font-mono);
        }

        .heat-index {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--secondary);
            font-weight: 700;
        }

        /* ========== Update List ========== */
        .update-list-wrap {
            display: grid;
            grid-template-columns: 0.45fr 1.55fr;
            gap: 36px;
            align-items: start;
        }

        .update-list {
            display: flex;
            flex-direction: column;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--line);
            background: var(--surface-2);
        }

        .update-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--line);
            transition: all var(--transition);
            cursor: pointer;
            flex-wrap: wrap;
        }

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

        .update-row:hover {
            background: var(--surface-3);
        }

        .update-row-info {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            min-width: 200px;
        }

        .update-date {
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--muted);
            white-space: nowrap;
            min-width: 52px;
        }

        .update-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .update-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.72rem;
            font-weight: 600;
            border: 1px solid var(--line-strong);
            color: var(--muted);
            white-space: nowrap;
        }

        /* ========== Horizontal Scroll Cards ========== */
        .scroll-track-wrap {
            position: relative;
        }

        .scroll-track {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--line-strong) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .scroll-track::-webkit-scrollbar {
            height: 4px;
        }

        .scroll-track::-webkit-scrollbar-track {
            background: transparent;
        }

        .scroll-track::-webkit-scrollbar-thumb {
            background: var(--line-strong);
            border-radius: 4px;
        }

        .scroll-card {
            flex: 0 0 280px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--line);
            background: var(--surface-2);
            scroll-snap-align: start;
            transition: all var(--transition);
            cursor: pointer;
        }

        .scroll-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .scroll-card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

        .scroll-card:hover .scroll-card-image img {
            transform: scale(1.04);
        }

        .scroll-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.05) 50%, rgba(10,11,12,.85));
        }

        .scroll-card-body {
            padding: 14px 16px 16px;
        }

        .scroll-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .scroll-card-tag {
            display: inline-flex;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .scroll-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--surface-2);
            border: 1px solid var(--line-strong);
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            z-index: 3;
            font-size: 0.9rem;
        }

        .scroll-arrow:hover {
            background: var(--primary);
            color: #111;
            border-color: var(--primary);
        }

        .scroll-arrow--prev {
            left: -8px;
        }

        .scroll-arrow--next {
            right: -8px;
        }

        /* ========== Ranking List ========== */
        .ranking-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            background: var(--surface-2);
            border: 1px solid var(--line);
            transition: all var(--transition);
            cursor: pointer;
        }

        .ranking-item:hover {
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .ranking-item--top {
            border-color: rgba(242,184,75,.5);
            background: rgba(242,184,75,.06);
        }

        .ranking-num {
            font-family: var(--font-mono);
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.04em;
            min-width: 48px;
            text-align: center;
            color: var(--muted);
        }

        .ranking-item--top .ranking-num {
            color: var(--primary);
        }

        .ranking-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .ranking-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .ranking-meta {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.75rem;
            color: var(--muted);
        }

        /* ========== Partner Wall ========== */
        .partner-wall {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .partner-item {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 22px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background: var(--surface-2);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--muted);
            letter-spacing: 0.02em;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }

        .partner-item:hover {
            border-color: var(--line-strong);
            color: var(--text);
            background: var(--surface-3);
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background: var(--surface-2);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(242,184,75,.12);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            transition: all var(--transition);
            user-select: none;
        }

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

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line-strong);
            font-size: 0.9rem;
            color: var(--muted);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            border-color: var(--primary);
            color: var(--primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== Assurance Bar ========== */
        .assurance-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            align-items: stretch;
        }

        .assurance-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 18px;
            border-radius: var(--radius-md);
            background: rgba(11,12,16,.7);
            border: 1px solid var(--line);
            transition: all var(--transition);
        }

        .assurance-item:hover {
            border-color: var(--primary);
            background: rgba(242,184,75,.06);
        }

        .assurance-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(111,207,151,.12);
            border: 1px solid rgba(111,207,151,.3);
            color: var(--accent);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .assurance-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.01em;
            line-height: 1.4;
        }

        /* ========== Timeline ========== */
        .timeline-wrap {
            position: relative;
            padding-left: 30px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--line-strong);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 16px 0 16px 20px;
            transition: all var(--transition);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 22px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid var(--bg);
            box-shadow: 0 0 0 3px rgba(242,184,75,.25);
        }

        .timeline-date {
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--muted);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }

        .timeline-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.82rem;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ========== CTA Form ========== */
        .cta-panel {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
            padding: 44px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(242,184,75,.08) 0%, rgba(11,12,16,.9) 50%, rgba(11,12,16,.95) 100%);
            border: 1px solid var(--line-strong);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(242,184,75,.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-title {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
            margin-bottom: 12px;
        }

        .cta-sub {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-form {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .form-group label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--muted);
            letter-spacing: 0.02em;
        }

        .form-input {
            width: 100%;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            background: rgba(11,12,16,.8);
            border: 1px solid var(--line-strong);
            color: var(--text);
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .form-input::placeholder {
            color: var(--muted);
            opacity: .6;
        }

        .form-input:focus {
            border-color: var(--primary);
            outline: 3px solid rgba(242,184,75,.25);
            background: rgba(11,12,16,.95);
        }

        .form-note {
            font-size: 0.72rem;
            color: var(--muted);
            line-height: 1.5;
            margin-top: 2px;
        }

        /* ========== Final CTA Bar ========== */
        .final-cta-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 28px 32px;
            border-radius: var(--radius-md);
            background: var(--surface-2);
            border: 1px solid var(--line-strong);
            flex-wrap: wrap;
        }

        .final-cta-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .final-cta-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg);
            border-top: 1px solid var(--line);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 34px;
            margin-bottom: 40px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 300px;
        }

        .footer-col-title {
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--text);
            margin-bottom: 16px;
        }

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

        .footer-link {
            font-size: 0.85rem;
            color: var(--muted);
            transition: all var(--transition);
        }

        .footer-link:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-status-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--muted);
        }

        .footer-sub-form {
            display: flex;
            gap: 8px;
            margin-top: 14px;
        }

        .footer-sub-form .form-input {
            flex: 1;
            padding: 10px 14px;
            font-size: 0.82rem;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 22px;
            border-top: 1px solid var(--line);
            flex-wrap: wrap;
        }

        .footer-copyright {
            font-size: 0.78rem;
            color: var(--muted);
            letter-spacing: 0.01em;
        }

        .footer-meta-links {
            display: flex;
            gap: 18px;
            font-size: 0.78rem;
            color: var(--muted);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --section-pad-desktop: 72px;
            }

            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .update-list-wrap {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .ranking-wrap {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .partner-wall {
                grid-template-columns: repeat(2, 1fr);
            }

            .assurance-bar {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-panel {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 32px 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 56px;
            }

            .header-inner {
                min-height: 60px;
            }

            .nav-primary {
                display: none;
            }

            .nav-chips {
                display: none;
            }

            .hamburger-btn {
                display: flex;
            }

            .hero-section {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 56px;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-title {
                font-size: clamp(1.9rem, 7vw, 2.6rem);
            }

            .hero-cta-group {
                gap: 8px;
            }

            .btn {
                padding: 11px 20px;
                font-size: 0.88rem;
            }

            .hero-stats-row {
                gap: 18px;
            }

            .channel-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-number {
                font-size: 1.7rem;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .step-number {
                font-size: 2.2rem;
            }

            .case-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .partner-wall {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .assurance-bar {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .scroll-arrow {
                display: none;
            }

            .scroll-card {
                flex: 0 0 240px;
            }

            .timeline-wrap {
                padding-left: 22px;
            }

            .timeline-wrap::before {
                left: 6px;
            }

            .timeline-item::before {
                left: -18px;
                width: 8px;
                height: 8px;
                top: 20px;
            }

            .cta-panel {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }

            .final-cta-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                padding: 20px 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad-desktop: 40px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-title {
                font-size: 1.7rem;
                letter-spacing: -0.02em;
            }

            .hero-sub {
                font-size: 0.9rem;
            }

            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }

            .hero-cta-group .btn {
                justify-content: center;
                width: 100%;
            }

            .hero-stats-row {
                gap: 14px;
                flex-wrap: wrap;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .partner-wall {
                grid-template-columns: 1fr;
            }

            .update-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-head-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .ranking-num {
                font-size: 1.4rem;
                min-width: 36px;
            }

            .ticket-card {
                padding: 18px 16px 16px;
            }
        }

        /* ========== Motion ========== */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation: none !important;
                transition: none !important;
                scroll-behavior: auto !important;
            }

            html {
                scroll-behavior: auto;
            }

            .channel-card:hover,
            .case-card:hover,
            .scroll-card:hover,
            .stat-block:hover,
            .partner-item:hover,
            .assurance-item:hover,
            .ranking-item:hover {
                transform: none;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #0B0C10;
            --surface: #15161C;
            --surface-2: #1C1D25;
            --surface-3: #23242D;
            --text: #F4F1E8;
            --muted: #9C9DA6;
            --primary: #F2B84B;
            --primary-hover: #FFC75F;
            --secondary: #D96C6C;
            --accent: #6FCF97;
            --line: rgba(244,241,232,.12);
            --line-strong: rgba(244,241,232,.22);
            --shadow: 0 10px 30px rgba(0,0,0,.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,.55);
            --chip-blue: #8FA3BF;
            --chip-amber: #F2B84B;
            --chip-purple: #B39DDB;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SF Mono", monospace;
            --transition: 280ms cubic-bezier(.4,0,.2,1);
            --container-max: 1200px;
            --section-pad-desktop: 96px;
            --section-pad-tablet: 64px;
            --section-pad-mobile: 48px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: -0.01em;
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 1rem;
            color: var(--text);
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11,12,16,.93);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11,12,16,.98);
            box-shadow: 0 4px 24px rgba(0,0,0,.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--text);
            white-space: nowrap;
            transition: color var(--transition);
            flex-shrink: 0;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #111;
            border-radius: 10px;
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: -0.04em;
            flex-shrink: 0;
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--muted);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text);
            background: rgba(244,241,232,.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(242,184,75,.1);
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .chip::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            flex-shrink: 0;
        }

        .chip--warmup {
            color: var(--chip-blue);
            background: rgba(143,163,191,.12);
            border-color: rgba(143,163,191,.3);
        }

        .chip--live {
            color: var(--chip-amber);
            background: rgba(242,184,75,.12);
            border-color: rgba(242,184,75,.3);
        }

        .chip--replay {
            color: var(--chip-purple);
            background: rgba(179,157,219,.12);
            border-color: rgba(179,157,219,.3);
        }

        .chip--solid-live {
            color: #111;
            background: var(--chip-amber);
            border-color: var(--chip-amber);
        }

        .chip--solid-live::before {
            background: #111;
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            color: var(--text);
            font-size: 1.2rem;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .hamburger:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ========== Mobile Drawer ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: var(--surface);
            border-left: 1px solid var(--line);
            z-index: 2000;
            padding: 24px;
            transition: right 320ms cubic-bezier(.4,0,.2,1);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,.6);
            z-index: 1500;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--line);
            color: var(--muted);
            font-size: 1rem;
            transition: all var(--transition);
        }

        .drawer-close:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 48px;
        }

        .drawer-nav .nav-link {
            font-size: 1rem;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
        }

        .drawer-chips {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
        }

        /* ========== Sections Common ========== */
        .section {
            padding: var(--section-pad-desktop) 0;
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }

        .section-head p {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 640px;
            margin: 0;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 10px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(242,184,75,.1);
            border: 1px solid rgba(242,184,75,.25);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: -0.01em;
            transition: all var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn--primary {
            background: var(--primary);
            color: #111;
        }

        .btn--primary:hover {
            background: var(--primary-hover);
            color: #111;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(242,184,75,.3);
        }

        .btn--ghost {
            background: transparent;
            color: var(--text);
            border-color: var(--line-strong);
        }

        .btn--ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn--sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(242,184,75,.5);
            outline-offset: 2px;
        }

        .btn:active {
            transform: scale(.98);
        }

        /* ========== Forms ========== */
        .form-input {
            background: var(--surface-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            padding: 12px 20px;
            color: var(--text);
            font-size: 0.9rem;
            transition: all var(--transition);
            width: 100%;
            min-width: 0;
        }

        .form-input::placeholder {
            color: var(--muted);
            opacity: .7;
        }

        .form-input:focus {
            border-color: var(--primary);
            outline: 3px solid rgba(242,184,75,.25);
            outline-offset: 0;
        }

        .form-select {
            background: var(--surface-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            padding: 10px 16px;
            color: var(--text);
            font-size: 0.9rem;
            transition: all var(--transition);
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239C9DA6' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

        .form-select:focus {
            border-color: var(--primary);
            outline: 3px solid rgba(242,184,75,.25);
            outline-offset: 0;
        }

        /* ========== Category Hero ========== */
        .cat-hero {
            min-height: 45vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/669f654208a91066.webp') center/cover no-repeat;
            opacity: .25;
            z-index: 0;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(242,184,75,.08) 0%, transparent 60%),
                        linear-gradient(180deg, rgba(11,12,16,.6) 0%, rgba(11,12,16,.9) 100%);
            z-index: 1;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text);
            max-width: 700px;
        }

        .cat-hero h1 .accent {
            color: var(--primary);
            position: relative;
        }

        .cat-hero h1 .accent::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin-top: 6px;
        }

        .cat-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 520px;
            margin: 0;
        }

        .cat-hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 28px;
        }

        /* ========== Filter Bar ========== */
        .filter-section {
            padding: 32px 0;
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            position: relative;
            z-index: 10;
        }

        .filter-row {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--muted);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .filter-btn {
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--muted);
            border: 1px solid var(--line);
            background: transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            color: var(--text);
            border-color: var(--line-strong);
        }

        .filter-btn.active {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(242,184,75,.08);
        }

        .filter-divider {
            width: 1px;
            height: 28px;
            background: var(--line);
            flex-shrink: 0;
        }

        /* ========== Card Grid ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card-grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .content-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .content-card .card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

        .content-card:hover .card-cover img {
            transform: scale(1.03);
        }

        .content-card .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(10,11,12,.9));
        }

        .card-chips {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            z-index: 2;
            flex-wrap: wrap;
        }

        .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
        }

        .card-title a {
            color: inherit;
            transition: color var(--transition);
        }

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

        .card-excerpt {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--line);
        }

        .card-time {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--muted);
        }

        /* ========== Ranking Scroll ========== */
        .ranking-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--line-strong) transparent;
        }

        .ranking-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .ranking-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .ranking-scroll::-webkit-scrollbar-thumb {
            background: var(--line-strong);
            border-radius: 2px;
        }

        .rank-item {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
        }

        .rank-item:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .rank-item.rank-top {
            border-color: rgba(242,184,75,.35);
            background: rgba(242,184,75,.05);
        }

        .rank-number {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--muted);
            line-height: 1;
            min-width: 48px;
            text-align: center;
        }

        .rank-item.rank-top .rank-number {
            color: var(--primary);
        }

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

        .rank-title {
            font-size: 0.9rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rank-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.75rem;
            color: var(--muted);
        }

        /* ========== Timeline ========== */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--line);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 24px;
            padding: 20px 24px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .timeline-item:hover {
            border-color: var(--line-strong);
            background: var(--surface-2);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--bg);
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(242,184,75,.15);
        }

        .timeline-item .tl-date {
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .timeline-item .tl-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .timeline-item .tl-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--muted);
        }

        /* ========== Guide Cards ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
        }

        .guide-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .guide-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(242,184,75,.1);
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .guide-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
        }

        .guide-card p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== Subscribe CTA ========== */
        .cta-section {
            padding: 64px 0;
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .cta-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            background: var(--surface-2);
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        .cta-box h2 {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            color: var(--text);
        }

        .cta-box p {
            font-size: 0.92rem;
            color: var(--muted);
            margin: 0;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 280px;
            flex: 1;
            max-width: 460px;
        }

        .cta-form .form-input {
            flex: 1;
            min-width: 200px;
        }

        /* ========== Category Pills ========== */
        .pills-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .pill-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            background: var(--surface);
            border: 1px solid var(--line-strong);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .pill-link:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(242,184,75,.08);
            transform: translateY(-2px);
        }

        .pill-link i {
            font-size: 0.9rem;
            color: var(--primary);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #090A0E;
            border-top: 1px solid var(--line);
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 12px 0 0;
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-link {
            font-size: 0.85rem;
            color: var(--muted);
            transition: color var(--transition);
        }

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

        .footer-status-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--muted);
        }

        .footer-sub-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .footer-sub-form .form-input {
            flex: 1;
            min-width: 160px;
            padding: 10px 16px;
            font-size: 0.82rem;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid var(--line);
        }

        .footer-copyright {
            font-size: 0.78rem;
            color: var(--muted);
        }

        .footer-meta-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-meta-links a {
            font-size: 0.78rem;
            color: var(--muted);
            transition: color var(--transition);
        }

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

        /* ========== Scroll Top ========== */
        .scroll-top-btn {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--surface-2);
            border: 1px solid var(--line-strong);
            color: var(--text);
            font-size: 1rem;
            transition: all var(--transition);
            opacity: 0;
            visibility: hidden;
            z-index: 900;
        }

        .scroll-top-btn.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .nav-primary {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-pad-tablet) 0;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .cat-hero {
                min-height: 40vh;
                padding: 120px 0 60px;
            }
            .cat-hero h1 {
                font-size: 1.8rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .cta-form {
                min-width: 0;
                width: 100%;
            }
            .filter-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .filter-divider {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .nav-primary {
                display: none;
            }
            .nav-chips {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .drawer-overlay {
                display: block;
            }
            .rank-item {
                flex: 0 0 220px;
            }
            .rank-number {
                font-size: 1.8rem;
                min-width: 36px;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }
            .timeline-item {
                padding: 16px 18px;
            }
            .pills-wrap {
                gap: 8px;
            }
            .pill-link {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad-desktop: var(--section-pad-mobile);
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
            .cat-hero h1 {
                font-size: 1.5rem;
            }
            .cat-hero .hero-sub {
                font-size: 0.9rem;
            }
            .card-body {
                padding: 16px 18px 18px;
            }
            .card-title {
                font-size: 0.95rem;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
            .header-inner {
                min-height: 60px;
            }
            .logo-link {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *, *::before, *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
            }
        }