/* roulang page: index */
:root {
            --bg-deep: #0F0F0F;
            --bg-darker: #0A0A0A;
            --bg-card: rgba(25, 25, 25, 0.85);
            --bg-charcoal: #1A1A1A;
            --bg-charcoal-light: #141414;
            --color-primary: #C43E4D;
            --color-primary-dark: #A8323F;
            --color-accent: #D4A853;
            --color-accent-glow: rgba(212, 168, 83, 0.5);
            --color-text: #E8E6E3;
            --color-text-secondary: #B0ADAA;
            --color-text-muted: #7A7672;
            --color-border: #333333;
            --color-border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-glow-amber: 0 0 16px rgba(212, 168, 83, 0.35);
            --shadow-glow-red: 0 0 14px rgba(196, 62, 77, 0.4);
            --font-heading: 'Noto Sans SC', '思源黑体', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-width: 240px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            display: flex;
            flex-direction: row;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== 左侧竖向导航（桌面端） ========== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background-color: var(--bg-darker);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }

        .side-nav-brand {
            padding: 28px 20px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .side-nav-brand .logo-text {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.5px;
            display: block;
            line-height: 1.4;
            word-break: keep-all;
        }

        .side-nav-brand .logo-sub {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            display: block;
            margin-top: 4px;
            letter-spacing: 1px;
        }

        .side-nav-menu {
            flex: 1;
            padding: 16px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .side-nav-menu a {
            display: flex;
            align-items: center;
            padding: 13px 20px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.3px;
        }

        .side-nav-menu a:hover {
            color: var(--color-accent);
            background-color: rgba(212, 168, 83, 0.04);
            border-left-color: rgba(212, 168, 83, 0.5);
        }

        .side-nav-menu a.active {
            color: #fff;
            background-color: rgba(196, 62, 77, 0.2);
            border-left-color: var(--color-primary);
            font-weight: 600;
        }

        .side-nav-menu a .nav-icon {
            margin-right: 10px;
            font-size: 1rem;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
        }

        .side-nav-footer .nav-cta {
            display: block;
            width: 100%;
            padding: 11px 16px;
            background-color: var(--color-accent);
            color: #0A0A0A;
            text-align: center;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
        }

        .side-nav-footer .nav-cta:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow-red);
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            width: calc(100% - var(--nav-width));
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background-color: var(--bg-darker);
            z-index: 1001;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-nav .mobile-logo {
            font-family: var(--font-heading);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.3px;
            line-height: 1.3;
            flex: 1;
        }

        .mobile-nav .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 1002;
            background: none;
            border: none;
            width: 40px;
            height: 36px;
            justify-content: center;
            align-items: center;
        }

        .mobile-nav .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }

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

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

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

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(10, 10, 10, 0.97);
            z-index: 1000;
            flex-direction: column;
            padding: 20px;
            gap: 4px;
            overflow-y: auto;
        }

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

        .mobile-nav-overlay a {
            display: block;
            padding: 14px 18px;
            font-size: 1rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: #fff;
            background-color: rgba(196, 62, 77, 0.2);
            border-left-color: var(--color-primary);
        }

        .mobile-nav-overlay .mobile-cta {
            margin-top: 12px;
            padding: 13px 18px;
            background-color: var(--color-accent);
            color: #0A0A0A;
            text-align: center;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
        }

        /* ========== Hero 板块 ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            padding: 60px 40px;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 10, 0.75) 0%, rgba(15, 15, 15, 0.82) 40%, rgba(10, 10, 10, 0.9) 100%);
            z-index: 1;
        }

        .hero-overlay-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
            z-index: 2;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 780px;
            width: 100%;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 16px;
            line-height: 1.25;
            text-shadow: 0 0 8px rgba(212, 168, 83, 0.5), 0 0 30px rgba(212, 168, 83, 0.2);
        }

        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-time-slots {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-time-slot {
            background: rgba(25, 25, 25, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 16px 22px;
            text-align: center;
            min-width: 140px;
            flex: 1;
            max-width: 200px;
            transition: all var(--transition-smooth);
            cursor: default;
            backdrop-filter: blur(4px);
        }

        .hero-time-slot:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow-amber);
            background: rgba(30, 30, 30, 0.9);
            transform: translateY(-3px);
        }

        .hero-time-slot .slot-time {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            letter-spacing: 0.5px;
        }

        .hero-time-slot .slot-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            display: block;
            margin-top: 4px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background-color: var(--color-accent);
            color: #0A0A0A;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.6px;
            transition: all var(--transition-smooth);
            border: 2px solid transparent;
            text-align: center;
        }

        .btn-primary:hover {
            background-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow-red);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.6px;
            border: 2px solid var(--color-accent);
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .btn-outline:hover {
            background-color: rgba(212, 168, 83, 0.1);
            box-shadow: var(--shadow-glow-amber);
            transform: translateY(-2px);
        }

        /* ========== 通用板块样式 ========== */
        .section-block {
            padding: 70px 40px;
            position: relative;
        }

        .section-block:nth-child(even) {
            background-color: var(--bg-charcoal);
        }

        .section-block:nth-child(odd) {
            background-color: var(--bg-deep);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.3), transparent);
            margin: 0;
            border: none;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 2.1rem;
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        /* ========== App 板块 ========== */
        .app-section {
            background: linear-gradient(180deg, #141414 0%, #1A1A1A 100%);
        }

        .app-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .app-info h3 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .app-info p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .app-features {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }

        .app-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .app-feature-item .feat-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-accent);
            flex-shrink: 0;
            box-shadow: 0 0 8px var(--color-accent-glow);
        }

        .app-visual {
            background: rgba(25, 25, 25, 0.7);
            border-radius: var(--radius-lg);
            padding: 36px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
        }

        .app-visual .app-qr-placeholder {
            width: 160px;
            height: 160px;
            margin: 0 auto 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px dashed rgba(212, 168, 83, 0.3);
            color: var(--color-accent);
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }

        .app-visual .app-store-badges {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .app-badge {
            padding: 10px 18px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            color: var(--color-text);
            font-size: 0.85rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .app-badge:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(212, 168, 83, 0.08);
        }

        /* ========== 服务板块（海报式卡片） ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .service-card {
            position: relative;
            aspect-ratio: 3 / 4;
            border-radius: var(--radius-md);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            background-color: #1a1a1a;
        }

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

        .service-card .service-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 16px 16px;
            background: linear-gradient(transparent, rgba(10, 10, 10, 0.9) 40%, rgba(0, 0, 0, 0.95));
            z-index: 2;
        }

        .service-card .service-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .service-card .service-tag {
            font-size: 0.78rem;
            color: var(--color-accent);
            letter-spacing: 0.5px;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 0 24px rgba(196, 62, 77, 0.45), 0 8px 32px rgba(0, 0, 0, 0.5);
        }

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

        .service-card:hover .service-overlay {
            background: linear-gradient(transparent, rgba(196, 62, 77, 0.3) 30%, rgba(0, 0, 0, 0.95));
        }

        .service-card::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            transition: border-color var(--transition-smooth);
            z-index: 3;
            pointer-events: none;
        }

        .service-card:hover::after {
            border-color: rgba(212, 168, 83, 0.6);
        }

        /* ========== 关于板块 ========== */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .about-text p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .about-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 20px;
        }

        .about-stat {
            background: rgba(25, 25, 25, 0.7);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-fast);
        }

        .about-stat:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow-amber);
        }

        .about-stat .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            display: block;
            letter-spacing: 0.5px;
        }

        .about-stat .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .about-visual {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            aspect-ratio: 4 / 3;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .about-visual::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 10, 10, 0.35);
            border-radius: var(--radius-lg);
        }

        /* ========== 资讯板块 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 36px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .news-list-item {
            padding: 16px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .news-list-item:hover {
            background-color: rgba(255, 255, 255, 0.03);
            border-left-color: var(--color-accent);
        }

        .news-list-item .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            flex: 1;
            line-height: 1.4;
        }

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

        .news-list-item .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

        .news-recommend {
            background: rgba(25, 25, 25, 0.7);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            height: fit-content;
        }

        .news-recommend h4 {
            font-size: 1.1rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .news-recommend .rec-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .rec-tag {
            padding: 7px 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .rec-tag:hover {
            background: rgba(212, 168, 83, 0.12);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .rec-tag.hot {
            background: rgba(196, 62, 77, 0.2);
            color: #e8878f;
            border-color: rgba(196, 62, 77, 0.4);
        }

        /* ========== 嘉宾亮点板块 ========== */
        .guests-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(212, 168, 83, 0.3) transparent;
        }

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

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

        .guests-scroll::-webkit-scrollbar-thumb {
            background: rgba(212, 168, 83, 0.3);
            border-radius: 4px;
        }

        .guest-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: rgba(25, 25, 25, 0.8);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .guest-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow-amber);
            transform: translateY(-4px);
        }

        .guest-card img {
            width: 100%;
            aspect-ratio: 3 / 2;
            object-fit: cover;
        }

        .guest-card .guest-info {
            padding: 16px;
        }

        .guest-card .guest-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 4px;
        }

        .guest-card .guest-role {
            font-size: 0.82rem;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .guest-card .guest-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        /* ========== 内容日历板块 ========== */
        .calendar-strip {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .calendar-day {
            background: rgba(25, 25, 25, 0.8);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            text-align: center;
            min-width: 100px;
            flex: 1;
            max-width: 150px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .calendar-day:hover {
            border-color: var(--color-accent);
            background: rgba(30, 30, 30, 0.9);
            box-shadow: var(--shadow-glow-amber);
            transform: translateY(-3px);
        }

        .calendar-day .day-date {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-accent);
            display: block;
            letter-spacing: 0.5px;
        }

        .calendar-day .day-week {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: block;
            margin: 2px 0 6px;
        }

        .calendar-day .day-event {
            font-size: 0.78rem;
            color: var(--color-text-secondary);
            line-height: 1.3;
        }

        .calendar-day.today {
            border-color: var(--color-primary);
            background: rgba(196, 62, 77, 0.15);
        }

        .calendar-day.today .day-date {
            color: #e8878f;
        }

        /* ========== FAQ 板块 ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(25, 25, 25, 0.7);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item.active {
            border-color: rgba(196, 62, 77, 0.5);
            box-shadow: 0 0 16px rgba(196, 62, 77, 0.2);
        }

        .faq-question {
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            letter-spacing: 0.3px;
            user-select: none;
        }

        .faq-question .faq-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-accent);
            flex-shrink: 0;
            text-shadow: 0 0 8px var(--color-accent-glow);
            width: 32px;
            text-align: center;
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            width: 24px;
            text-align: center;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--bg-darker);
            padding: 50px 40px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: block;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            max-width: 1100px;
            margin: 0 auto;
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .about-visual {
                aspect-ratio: 16 / 9;
                order: -1;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .app-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .section-block {
                padding: 50px 28px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .mobile-nav {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 56px;
            }
            .hero-section {
                min-height: 60vh;
                padding: 40px 20px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
                letter-spacing: 0.5px;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
                margin-bottom: 22px;
            }
            .hero-time-slots {
                gap: 10px;
            }
            .hero-time-slot {
                min-width: 100px;
                padding: 12px 14px;
                flex: 1 1 30%;
                max-width: none;
            }
            .hero-time-slot .slot-time {
                font-size: 1.2rem;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .section-block {
                padding: 40px 16px;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .calendar-strip {
                gap: 8px;
            }
            .calendar-day {
                min-width: 70px;
                flex: 1 1 22%;
                max-width: none;
                padding: 12px 10px;
            }
            .calendar-day .day-date {
                font-size: 1.3rem;
            }
            .guests-scroll {
                gap: 14px;
            }
            .guest-card {
                flex: 0 0 220px;
            }
            .about-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .about-stat .stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.4rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.88rem;
            }
            .hero-time-slots {
                flex-direction: column;
                gap: 8px;
            }
            .hero-time-slot {
                max-width: 100%;
                flex: 1 1 auto;
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .service-card .service-name {
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .about-stats {
                grid-template-columns: 1fr;
            }
            .calendar-strip {
                flex-direction: column;
                gap: 6px;
            }
            .calendar-day {
                max-width: 100%;
                flex: 1 1 auto;
                display: flex;
                align-items: center;
                gap: 12px;
                text-align: left;
                padding: 14px 16px;
            }
            .calendar-day .day-date {
                font-size: 1.3rem;
                flex-shrink: 0;
            }
            .guest-card {
                flex: 0 0 180px;
            }
        }