/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-bg-deep: #1A0F0A;
            --color-bg-primary: #2C1E16;
            --color-bg-card: #3A2E24;
            --color-bg-card-alt: #2F241D;
            --color-bg-surface: #352820;
            --color-gold: #C9A96E;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #A68A4C;
            --color-gold-glow: rgba(201, 169, 110, 0.4);
            --color-gold-border: rgba(201, 169, 110, 0.15);
            --color-tea-green: #5A7D5A;
            --color-tea-green-light: #6B8E6B;
            --color-text-primary: #E8E0D8;
            --color-text-secondary: #C4B8AB;
            --color-text-muted: #9A8E82;
            --color-text-weak: #7A6E64;
            --color-white: #F5F0EB;
            --color-border: rgba(201, 169, 110, 0.2);
            --color-border-light: rgba(255, 255, 255, 0.06);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 0 20px rgba(201, 169, 110, 0.3);
            --shadow-gold-strong: 0 0 40px rgba(201, 169, 110, 0.5);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-hero: 3.2rem;
            --font-section-title: 2rem;
            --font-card-title: 1.25rem;
            --font-body: 1rem;
            --font-small: 0.875rem;
            --font-xs: 0.75rem;
            --nav-height: 80px;
            --container-max: 1200px;
            --section-gap: 5rem;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Segoe UI", sans-serif;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-bg-deep);
            background-image:
                radial-gradient(ellipse at 50% 0%, rgba(201, 169, 110, 0.04) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 20%, rgba(90, 125, 90, 0.03) 0%, transparent 60%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--color-gold-light);
        }

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px dashed var(--color-gold);
            outline-offset: 3px;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-white);
        }

        /* ========== Container ========== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: transparent;
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(26, 15, 10, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-gold);
            white-space: nowrap;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            z-index: 1001;
            transition: color var(--transition-fast);
        }

        .logo:hover {
            color: var(--color-gold-light);
        }

        .logo-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-gold);
            margin: 0 2px;
            animation: logoPulse 2s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                opacity: 0.5;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.5);
            }
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            color: #DDD;
            position: relative;
            padding: 0.35rem 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
            transition: width var(--transition-normal);
        }

        .nav-links a:hover {
            color: var(--color-gold-light);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--color-gold);
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            z-index: 1001;
        }

        .btn-nav-login {
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-gold);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-normal);
        }

        .btn-nav-login:hover {
            background: rgba(201, 169, 110, 0.1);
            border-color: var(--color-gold-light);
            color: var(--color-gold-light);
            transform: translateY(-1px);
        }

        .btn-nav-register {
            background: linear-gradient(135deg, #C9A96E, #A68A4C);
            color: #1A0F0A;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition-normal);
        }

        .btn-nav-register:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
            color: #1A0F0A;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
            padding: 8px;
            background: transparent;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 移动端导航 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 15, 10, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2rem;
        }

        .mobile-nav-overlay.active {
            display: flex;
        }

        .mobile-nav-overlay a {
            font-size: 1.2rem;
            color: #DDD;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: var(--color-gold);
        }

        .mobile-nav-overlay .mobile-auth {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }

        /* ========== Hero Section ========== */
        .hero {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 15, 10, 0.75) 0%, rgba(26, 15, 10, 0.85) 40%, rgba(26, 15, 10, 0.95) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(90, 125, 90, 0.06) 0%, transparent 50%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 3rem 1.5rem;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(201, 169, 110, 0.12);
            border: 1px solid rgba(201, 169, 110, 0.3);
            border-radius: 50px;
            padding: 0.4rem 1rem;
            font-size: var(--font-xs);
            color: var(--color-gold);
            letter-spacing: 0.04em;
            width: fit-content;
        }

        .hero-badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-tea-green);
            animation: logoPulse 2s ease-in-out infinite;
        }

        .hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-white);
            text-shadow: 0 0 60px rgba(201, 169, 110, 0.35), 0 2px 4px rgba(0, 0, 0, 0.6);
            letter-spacing: 0.01em;
        }

        .hero h1 .highlight {
            color: var(--color-gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            max-width: 480px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #C9A96E, #A68A4C);
            color: #1A0F0A;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-gold-strong);
            transform: translateY(-3px);
            color: #1A0F0A;
        }

        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--color-gold);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 1rem;
            border: 1px solid var(--color-gold);
            transition: all var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(201, 169, 110, 0.1);
            border-color: var(--color-gold-light);
            color: var(--color-gold-light);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }

        .hero-stat-number {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-gold);
        }

        .hero-stat-label {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
        }

        /* Hero右侧数据榜单 */
        .hero-panel {
            background: rgba(44, 30, 22, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-lg);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .hero-panel-title {
            font-size: var(--font-small);
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .hero-panel-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 16px;
            background: var(--color-gold);
            border-radius: 2px;
        }

        .hero-rank-list {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .hero-rank-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.55rem 0.7rem;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.03);
            transition: background var(--transition-fast);
            cursor: default;
        }

        .hero-rank-item:hover {
            background: rgba(201, 169, 110, 0.08);
        }

        .hero-rank-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-xs);
            font-weight: 700;
            flex-shrink: 0;
        }

        .hero-rank-num.top1 {
            background: var(--color-gold);
            color: #1A0F0A;
        }
        .hero-rank-num.top2 {
            background: #8B7355;
            color: #fff;
        }
        .hero-rank-num.top3 {
            background: #6B5B4A;
            color: #fff;
        }
        .hero-rank-num.normal {
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-text-muted);
        }

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

        .hero-rank-name {
            font-size: var(--font-small);
            color: var(--color-text-primary);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hero-rank-desc {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hero-rank-tag {
            font-size: 0.7rem;
            padding: 0.2rem 0.55rem;
            border-radius: 50px;
            background: rgba(90, 125, 90, 0.2);
            color: var(--color-tea-green-light);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, var(--font-section-title));
            color: var(--color-white);
            margin-bottom: 0.75rem;
        }

        .section-header p {
            color: var(--color-text-muted);
            font-size: var(--font-body);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 2px;
            margin: 0.75rem auto;
            opacity: 0.7;
        }

        /* ========== Countdown Section ========== */
        .countdown-section {
            background: var(--color-bg-primary);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            padding: 2.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .countdown-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(201, 169, 110, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2.5rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .countdown-label {
            font-size: 1.1rem;
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .countdown-label-icon {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-tea-green);
            animation: logoPulse 1.5s ease-in-out infinite;
        }

        .countdown-timer {
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.2rem;
        }

        .countdown-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-white);
            background: rgba(201, 169, 110, 0.1);
            border: 1px solid var(--color-gold-border);
            border-radius: var(--radius-sm);
            width: 60px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-variant-numeric: tabular-nums;
            font-family: "SF Mono", "Consolas", "Monaco", monospace;
        }

        .countdown-separator {
            font-size: 1.8rem;
            color: var(--color-gold);
            font-weight: 300;
            padding-bottom: 1.2rem;
        }

        .countdown-unit-label {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .countdown-cta {
            font-size: var(--font-small);
            color: var(--color-text-secondary);
            max-width: 200px;
            line-height: 1.5;
        }

        .countdown-cta strong {
            color: var(--color-gold);
        }

        /* ========== Activity Wall Section ========== */
        .activity-wall {
            background: var(--color-bg-deep);
        }

        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .activity-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .activity-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(201, 169, 110, 0.25);
            border-color: rgba(201, 169, 110, 0.5);
        }

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

        .activity-card-body {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            flex: 1;
        }

        .activity-card-tag {
            display: inline-block;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 50px;
            background: rgba(90, 125, 90, 0.2);
            color: var(--color-tea-green-light);
            width: fit-content;
            letter-spacing: 0.03em;
        }

        .activity-card h3 {
            font-size: var(--font-card-title);
            color: var(--color-white);
            font-weight: 600;
        }

        .activity-card p {
            font-size: var(--font-small);
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .activity-card-meta {
            display: flex;
            gap: 1rem;
            font-size: var(--font-xs);
            color: var(--color-text-weak);
            margin-top: auto;
            padding-top: 0.5rem;
        }

        /* ========== Ticket Comparison Section ========== */
        .ticket-comparison {
            background: var(--color-bg-primary);
            position: relative;
        }

        .ticket-comparison::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 80%, rgba(201, 169, 110, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }

        .ticket-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .ticket-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            transition: all var(--transition-normal);
            position: relative;
        }

        .ticket-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .ticket-card.featured {
            border-color: var(--color-gold);
            border-width: 2px;
            box-shadow: 0 0 30px rgba(201, 169, 110, 0.2);
            background: var(--color-bg-surface);
            transform: scale(1.03);
            z-index: 2;
        }

        .ticket-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
            box-shadow: 0 0 40px rgba(201, 169, 110, 0.35);
        }

        .ticket-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-gold);
            color: #1A0F0A;
            padding: 0.3rem 1.2rem;
            border-radius: 50px;
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .ticket-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-white);
            text-align: center;
        }

        .ticket-price {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-gold);
        }

        .ticket-price small {
            font-size: var(--font-small);
            color: var(--color-text-muted);
            font-weight: 400;
        }

        .ticket-features {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            flex: 1;
        }

        .ticket-feature {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--font-small);
            color: var(--color-text-secondary);
        }

        .ticket-feature .check {
            color: var(--color-tea-green);
            font-weight: 700;
            flex-shrink: 0;
        }

        .ticket-feature .cross {
            color: #7A5A5A;
            flex-shrink: 0;
        }

        .ticket-card .btn-primary {
            width: 100%;
            justify-content: center;
            margin-top: auto;
        }

        .ticket-card:not(.featured) .btn-primary {
            background: transparent;
            border: 1px solid var(--color-gold);
            color: var(--color-gold);
        }

        .ticket-card:not(.featured) .btn-primary:hover {
            background: rgba(201, 169, 110, 0.1);
            box-shadow: none;
            color: var(--color-gold-light);
        }

        /* ========== News Section ========== */
        .news-section {
            background: var(--color-bg-deep);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 2.5rem;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            align-items: baseline;
            gap: 1rem;
            padding: 1rem 0.5rem;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .news-item:hover {
            background: rgba(201, 169, 110, 0.04);
            padding-left: 0.8rem;
            border-radius: var(--radius-sm);
        }

        .news-item-date {
            font-size: var(--font-xs);
            color: var(--color-text-weak);
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 70px;
        }

        .news-item-title {
            font-size: var(--font-body);
            color: var(--color-text-primary);
            font-weight: 500;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .news-item:hover .news-item-title {
            color: var(--color-gold);
        }

        .news-item-tag {
            font-size: 0.7rem;
            padding: 0.15rem 0.5rem;
            border-radius: 50px;
            background: rgba(201, 169, 110, 0.15);
            color: var(--color-gold);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .news-sidebar-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
        }

        .news-sidebar-card h4 {
            font-size: 1rem;
            color: var(--color-gold);
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .news-sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .news-sidebar-item {
            font-size: var(--font-small);
            color: var(--color-text-secondary);
            padding: 0.4rem 0;
            border-bottom: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .news-sidebar-item:hover {
            color: var(--color-gold);
        }

        .news-sidebar-item:last-child {
            border-bottom: none;
        }

        /* ========== Changelog Section ========== */
        .changelog-section {
            background: var(--color-bg-primary);
            position: relative;
        }

        .changelog-timeline {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: relative;
            padding-left: 2rem;
        }

        .changelog-timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--color-gold), rgba(201, 169, 110, 0.2), var(--color-tea-green));
            border-radius: 1px;
        }

        .changelog-item {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-border);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            transition: all var(--transition-normal);
        }

        .changelog-item:hover {
            border-color: rgba(201, 169, 110, 0.5);
            box-shadow: var(--shadow-sm);
        }

        .changelog-item::before {
            content: '';
            position: absolute;
            left: -2.35rem;
            top: 1.5rem;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-gold);
            border: 2px solid var(--color-bg-primary);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.25);
        }

        .changelog-version {
            font-size: var(--font-xs);
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 0.4rem;
        }

        .changelog-item h3 {
            font-size: 1.05rem;
            color: var(--color-white);
            margin-bottom: 0.4rem;
        }

        .changelog-item p {
            font-size: var(--font-small);
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== Platform Guarantee Section ========== */
        .guarantee-section {
            background: var(--color-bg-deep);
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .guarantee-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-border);
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
        }

        .guarantee-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 169, 110, 0.4);
        }

        .guarantee-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-gold);
            flex-shrink: 0;
        }

        .guarantee-card h3 {
            font-size: 1rem;
            color: var(--color-white);
            font-weight: 600;
        }

        .guarantee-card p {
            font-size: var(--font-small);
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--color-bg-primary);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 4rem 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }

        .cta-inner h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            color: var(--color-white);
        }

        .cta-inner p {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 500px;
            line-height: 1.7;
        }

        .cta-btn-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }

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

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item.active {
            border-color: rgba(201, 169, 110, 0.5);
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.15);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-white);
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
            gap: 1rem;
        }

        .faq-question:hover {
            background: rgba(201, 169, 110, 0.04);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-normal);
            font-size: 1.1rem;
            color: var(--color-gold);
            font-weight: 700;
        }

        .faq-item.active .faq-icon {
            background: var(--color-gold);
            color: #1A0F0A;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.5rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-answer p {
            color: var(--color-text-muted);
            font-size: var(--font-small);
            line-height: 1.7;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #150D08;
            border-top: 1px solid var(--color-border-light);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            display: inline-block;
        }

        .footer-brand p {
            font-size: var(--font-small);
            color: var(--color-text-muted);
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            color: var(--color-gold);
            margin-bottom: 1rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-col a {
            font-size: var(--font-small);
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-gold);
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
            margin-top: 0.5rem;
        }

        .footer-social-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--color-gold-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-size: 0.85rem;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .footer-social-icon:hover {
            background: var(--color-gold);
            color: #1A0F0A;
            border-color: var(--color-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border-light);
            padding-top: 1.5rem;
            text-align: center;
            font-size: var(--font-xs);
            color: var(--color-text-weak);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .hero-panel {
                max-width: 500px;
                margin: 0 auto;
            }

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

            .ticket-card.featured {
                transform: scale(1);
            }

            .ticket-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 3.5rem;
                --font-hero: 2.4rem;
                --font-section-title: 1.6rem;
            }

            .nav-links,
            .nav-auth {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .site-header {
                height: 64px;
            }

            :root {
                --nav-height: 64px;
            }

            .hero {
                min-height: 65vh;
                background-attachment: scroll;
            }

            .hero-inner {
                padding: 2rem 1rem;
                gap: 1.5rem;
            }

            .hero-panel {
                max-width: 100%;
            }

            .activity-grid {
                grid-template-columns: 1fr;
                max-width: 450px;
                margin: 0 auto;
            }

            .ticket-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }

            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }

            .countdown-inner {
                flex-direction: column;
                gap: 1.25rem;
                text-align: center;
            }

            .countdown-cta {
                max-width: 100%;
                text-align: center;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

            .changelog-timeline {
                padding-left: 1.5rem;
            }

            .changelog-item::before {
                left: -1.85rem;
                width: 8px;
                height: 8px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-brand p {
                max-width: 100%;
            }

            .container {
                padding: 0 1rem;
            }

            .section-header {
                margin-bottom: 2rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-hero: 1.9rem;
                --font-section-title: 1.4rem;
                --section-gap: 2.8rem;
            }

            .hero {
                min-height: 60vh;
            }

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

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
            }

            .hero-stats {
                gap: 1rem;
            }

            .countdown-value {
                width: 48px;
                height: 56px;
                font-size: 1.6rem;
            }

            .countdown-timer {
                gap: 0.4rem;
            }

            .countdown-separator {
                font-size: 1.3rem;
                padding-bottom: 0.8rem;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
                max-width: 350px;
                margin: 0 auto;
            }

            .cta-btn-group {
                flex-direction: column;
                width: 100%;
                max-width: 300px;
            }

            .cta-btn-group .btn-primary,
            .cta-btn-group .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 1.2rem;
            }

            .faq-item.active .faq-answer {
                padding: 0 1.2rem 1rem;
            }

            .news-item {
                flex-wrap: wrap;
                gap: 0.5rem;
            }
        }

        @media (max-width: 320px) {
            .hero-rank-item {
                flex-wrap: wrap;
                gap: 0.4rem;
            }

            .countdown-value {
                width: 40px;
                height: 48px;
                font-size: 1.3rem;
            }
        }