:root {
        --primary: #eab308;
        --accent: #f59e0b;
        --bg: #18181b;
        --text: #fafafa;
        --bg-light: #27272a;
        --bg-card: #1f1f23;
        --shadow: 0 10px 30px rgba(0,0,0,0.5);
        --glow: radial-gradient(circle at 20% 30%, rgba(234,179,8,0.12) 0%, transparent 60%), radial-gradient(circle at 80% 70%, rgba(245,158,11,0.08) 0%, transparent 50%);
    }
    * { font-family: 'Inter', '思源黑体', 'Source Han Sans CN', 'Noto Sans SC', sans-serif; }
    body {
        background: var(--bg);
        color: var(--text);
        overflow-x: hidden;
        position: relative;
        line-height: 1.8;
    }
    body::before {
        content: '';
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: var(--glow);
        pointer-events: none;
        z-index: 0;
    }
    .container { position: relative; z-index: 1; }

    /* 导航 */
    .navbar-custom {
        background: rgba(24,24,27,0.85);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 2px solid rgba(234,179,8,0.3);
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    .navbar-brand {
        font-size: 2.2rem;
        font-weight: 900;
        color: var(--primary) !important;
        text-shadow: 0 2px 15px rgba(234,179,8,0.3);
        letter-spacing: 2px;
    }
    .navbar-brand i { color: var(--accent); margin-right: 8px; }
    .nav-link {
        color: var(--text) !important;
        font-weight: 500;
        margin: 0 12px;
        position: relative;
        transition: all 0.3s ease;
    }
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -2px; left: 0;
        width: 0; height: 2px;
        background: var(--primary);
        transition: width 0.3s ease;
    }
    .nav-link:hover::after { width: 100%; }
    .nav-link:hover { color: var(--primary) !important; }

    /* Hero 区 */
    .hero-section {
        position: relative;
        min-height: 90vh;
        display: flex;
        align-items: center;
        padding: 120px 0 80px;
        background: url('{随机图片}') center center / cover no-repeat fixed;
        overflow: hidden;
    }
    .hero-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(24,24,27,0.7) 0%, rgba(24,24,27,0.85) 100%);
    }
    .hero-section::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at center, transparent 40%, rgba(24,24,27,0.6) 100%);
    }
    .hero-content {
        position: relative;
        z-index: 2;
    }
    .hero-stats {
        display: flex;
        gap: 60px;
        margin-bottom: 40px;
        flex-wrap: wrap;
    }
    .hero-stat {
        text-align: center;
    }
    .hero-stat .number {
        font-size: 3.5rem;
        font-weight: 900;
        color: var(--primary);
        text-shadow: 0 0 30px rgba(234,179,8,0.3);
        line-height: 1.2;
        font-family: '思源宋体', 'Source Han Serif CN', serif;
    }
    .hero-stat .label {
        font-size: 1rem;
        color: rgba(250,250,250,0.7);
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-top: 5px;
    }
    .hero-title {
        font-size: 4.5rem;
        font-weight: 900;
        font-family: '思源宋体', 'Source Han Serif CN', serif;
        color: var(--text);
        text-shadow: 0 5px 30px rgba(0,0,0,0.5);
        line-height: 1.2;
        margin-bottom: 20px;
    }
    .hero-title span {
        color: var(--primary);
        text-shadow: 0 0 30px rgba(234,179,8,0.4);
    }
    .hero-subtitle {
        font-size: 1.3rem;
        color: rgba(250,250,250,0.8);
        max-width: 700px;
        margin-bottom: 30px;
        line-height: 1.8;
    }
    .btn-custom {
        background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
        color: #1a1a1a;
        font-weight: 700;
        padding: 14px 40px;
        border-radius: 8px;
        border: none;
        font-size: 1.1rem;
        box-shadow: 0 10px 25px rgba(234,179,8,0.3);
        transition: all 0.3s ease;
        text-decoration: none;
        display: inline-block;
    }
    .btn-custom:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 35px rgba(234,179,8,0.4);
        color: #1a1a1a;
    }

    /* 区块标题 */
    .section-title {
        font-family: '思源宋体', 'Source Han Serif CN', serif;
        font-weight: 800;
        font-size: 2.5rem;
        color: var(--primary);
        text-shadow: 0 2px 15px rgba(234,179,8,0.2);
        margin-bottom: 50px;
        position: relative;
        display: inline-block;
    }
    .section-title::after {
        content: '';
        position: absolute;
        bottom: -10px; left: 0;
        width: 80px; height: 3px;
        background: linear-gradient(90deg, var(--primary), transparent);
    }

    /* 数据统计区 */
    .stats-section {
        padding: 80px 0;
        background: var(--bg-light);
        border-top: 1px solid rgba(234,179,8,0.1);
        border-bottom: 1px solid rgba(234,179,8,0.1);
    }
    .stat-card {
        text-align: center;
        padding: 30px 20px;
        background: var(--bg-card);
        border-radius: 12px;
        box-shadow: var(--shadow);
        transition: all 0.3s ease;
        border: 1px solid rgba(234,179,8,0.1);
    }
    .stat-card:hover {
        transform: translateY(-5px);
        border-color: var(--primary);
    }
    .stat-card .stat-icon {
        font-size: 2.5rem;
        color: var(--primary);
        margin-bottom: 15px;
    }
    .stat-card .stat-number {
        font-size: 2.8rem;
        font-weight: 900;
        font-family: '思源宋体', 'Source Han Serif CN', serif;
        color: var(--text);
    }
    .stat-card .stat-label {
        color: rgba(250,250,250,0.6);
        font-size: 1rem;
        margin-top: 5px;
    }

    /* 使用说明区 */
    .steps-section {
        padding: 80px 0;
        position: relative;
    }
    .step-item {
        position: relative;
        padding: 30px;
        background: var(--bg-card);
        border-radius: 12px;
        border: 1px solid rgba(234,179,8,0.1);
        transition: all 0.3s ease;
        height: 100%;
    }
    .step-item:hover {
        border-color: var(--primary);
        box-shadow: 0 10px 30px rgba(234,179,8,0.1);
    }
    .step-number {
        font-family: '思源宋体', 'Source Han Serif CN', serif;
        font-size: 4rem;
        font-weight: 900;
        color: transparent;
        -webkit-text-stroke: 2px var(--primary);
        margin-bottom: 15px;
        line-height: 1;
    }
    .step-title {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 10px;
    }
    .step-desc {
        color: rgba(250,250,250,0.7);
        line-height: 1.8;
    }

    /* 特色区 */
    .features-section {
        padding: 80px 0;
        background: var(--bg-light);
        border-top: 1px solid rgba(234,179,8,0.1);
        border-bottom: 1px solid rgba(234,179,8,0.1);
    }
    .feature-card {
        background: var(--bg-card);
        border-radius: 12px;
        padding: 25px;
        border: 1px solid rgba(234,179,8,0.1);
        box-shadow: var(--shadow);
        transition: all 0.4s ease;
        height: 100%;
        position: relative;
        overflow: hidden;
    }
    .feature-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: linear-gradient(135deg, rgba(234,179,8,0.05) 0%, transparent 50%);
        opacity: 0;
        transition: opacity 0.4s ease;
    }
    .feature-card:hover::before {
        opacity: 1;
    }
    .feature-card:hover {
        border-color: var(--primary);
        transform: translateY(-8px);
    }
    .feature-icon {
        font-size: 2.2rem;
        color: var(--primary);
        margin-bottom: 15px;
        display: inline-block;
    }
    .feature-title {
        font-family: '思源宋体', 'Source Han Serif CN', serif;
        font-size: 1.4rem;
        font-weight: 700;
        margin-bottom: 12px;
    }
    .feature-desc {
        color: rgba(250,250,250,0.7);
        line-height: 1.8;
        font-size: 0.95rem;
    }
    .poster-wrap {
        position: relative;
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 15px;
        background: linear-gradient(145deg, var(--bg-light), var(--bg));
    }
    .poster-placeholder {
        width: 100%;
        height: 200px;
        background: linear-gradient(145deg, #2a2a2e, #1a1a1e);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }
    .poster-placeholder i {
        font-size: 3rem;
        color: rgba(234,179,8,0.3);
    }
    .play-btn {
        position: absolute;
        top: 50%; left: 50%;
        transform: translate(-50%, -50%) scale(0);
        width: 60px; height: 60px;
        background: rgba(234,179,8,0.9);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #1a1a1a;
        font-size: 1.5rem;
        opacity: 0;
        transition: all 0.4s ease;
        cursor: pointer;
        box-shadow: 0 0 30px rgba(234,179,8,0.5);
    }
    .poster-wrap:hover .play-btn {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    /* FAQ区 */
    .faq-section {
        padding: 80px 0;
    }
    .faq-item {
        background: var(--bg-card);
        border-radius: 12px;
        border: 1px solid rgba(234,179,8,0.1);
        margin-bottom: 15px;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    .faq-item:hover {
        border-color: var(--primary);
    }
    .faq-question {
        padding: 20px 25px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: 600;
        font-size: 1.1rem;
        background: linear-gradient(145deg, rgba(234,179,8,0.05), transparent);
    }
    .faq-question i {
        color: var(--primary);
        transition: transform 0.3s ease;
    }
    .faq-answer {
        padding: 0 25px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        color: rgba(250,250,250,0.7);
        line-height: 1.8;
    }
    .faq-item.active .faq-answer {
        max-height: 500px;
        padding: 0 25px 25px;
    }
    .faq-item.active .faq-question i {
        transform: rotate(180deg);
    }

    /* CTA区 */
    .cta-section {
        padding: 100px 0;
        background: linear-gradient(135deg, rgba(234,179,8,0.1) 0%, rgba(245,158,11,0.05) 100%);
        border-top: 1px solid rgba(234,179,8,0.2);
    }
    .cta-title {
        font-family: '思源宋体', 'Source Han Serif CN', serif;
        font-size: 3rem;
        font-weight: 900;
        margin-bottom: 20px;
    }
    .cta-desc {
        font-size: 1.2rem;
        color: rgba(250,250,250,0.8);
        max-width: 600px;
        margin: 0 auto 40px;
    }

    /* 友情链接 */
    .friend-links {
        padding: 50px 0;
        background: var(--bg-light);
        border-top: 1px solid rgba(234,179,8,0.1);
    }
    .friend-links h4 {
        font-family: '思源宋体', 'Source Han Serif CN', serif;
        color: var(--primary);
        margin-bottom: 20px;
    }
    .friend-links a {
        color: rgba(250,250,250,0.7);
        text-decoration: none;
        margin: 0 15px;
        transition: all 0.3s ease;
    }
    .friend-links a:hover {
        color: var(--primary);
    }

    /* 页脚 */
    footer {
        background: var(--bg);
        padding: 30px 0;
        border-top: 2px solid rgba(234,179,8,0.2);
    }
    footer p {
        margin: 0;
        color: rgba(250,250,250,0.6);
    }
    footer a {
        color: var(--primary);
        text-decoration: none;
        margin: 0 10px;
    }

    /* 懒加载渐显 */
    .lazy-load {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .lazy-load.loaded {
        opacity: 1;
        transform: translateY(0);
    }

    /* 响应式 */
    @media (max-width: 768px) {
        .hero-title { font-size: 2.8rem; }
        .hero-stats { gap: 30px; }
        .hero-stat .number { font-size: 2.5rem; }
        .section-title { font-size: 2rem; }
        .navbar-brand { font-size: 1.8rem; }
    }

/* --- 子页面追加 --- */
/* 页面专属样式 */
        .about-hero { padding: 80px 0 40px; background: var(--glow); }
.about-content { max-width: 860px; margin: 0 auto; }
.about-content p { color: rgba(250,250,250,0.85); line-height: 1.8; font-size: 1.05rem; }
.about-content strong { color: var(--primary); }
.about-card { background: var(--bg-card); border: 1px solid rgba(234,179,8,0.15); border-radius: 16px; padding: 32px; margin: 32px 0; box-shadow: var(--shadow); }
.about-card h3 { color: var(--primary); font-size: 1.35rem; font-weight: 700; margin-bottom: 16px; }
.about-card h3 i { margin-right: 10px; }
.about-card ul { list-style: none; padding: 0; }
.about-card ul li { padding: 8px 0; color: rgba(250,250,250,0.85); border-bottom: 1px solid rgba(234,179,8,0.08); }
.about-card ul li:last-child { border-bottom: none; }
.about-card ul li i { color: var(--primary); margin-right: 10px; font-size: 0.9rem; }
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--primary), var(--accent)); opacity: 0.4; }
.timeline-item { position: relative; margin-bottom: 24px; }
.timeline-item::before { content: ''; position: absolute; left: -26px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 10px rgba(234,179,8,0.5); }
.timeline-year { color: var(--primary); font-weight: 700; font-size: 1.1rem; }
.timeline-text { color: rgba(250,250,250,0.85); margin-top: 4px; line-height: 1.6; }
.nav-link.active { color: var(--primary) !important; font-weight: 700; }
.about-hero h1 { font-size: 2.5rem; font-weight: 800; color: var(--text); margin-bottom: 16px; }
.about-hero h1 span { color: var(--primary); }
.about-hero .lead { color: rgba(250,250,250,0.7); font-size: 1.15rem; max-width: 700px; margin: 0 auto; }
.section-tag { display: inline-block; background: rgba(234,179,8,0.15); color: var(--primary); padding: 6px 16px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; letter-spacing: 1px; }
.feature-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 24px; }
.feature-item { background: rgba(234,179,8,0.06); border-radius: 12px; padding: 20px; border: 1px solid rgba(234,179,8,0.1); }
.feature-item i { color: var(--primary); font-size: 1.5rem; margin-bottom: 12px; }
.feature-item h4 { color: var(--text); font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.feature-item p { font-size: 0.9rem; color: rgba(250,250,250,0.7); line-height: 1.6; }

/* --- 子页面追加 --- */
/* 免责声明页专属样式 */
        .disclaimer-page {
            padding: 60px 0;
        }
.disclaimer-header {
            background: linear-gradient(135deg, rgba(234,179,8,0.1) 0%, transparent 50%);
            padding: 40px 0;
            margin-bottom: 40px;
            border-bottom: 1px solid rgba(234,179,8,0.2);
        }
.disclaimer-header h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 15px;
        }
.disclaimer-header p {
            color: rgba(250,250,250,0.7);
            font-size: 1.1rem;
            max-width: 800px;
        }
.disclaimer-section {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 35px;
            margin-bottom: 25px;
            border: 1px solid rgba(234,179,8,0.1);
            transition: all 0.3s ease;
        }
.disclaimer-section:hover {
            border-color: rgba(234,179,8,0.3);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
.disclaimer-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(234,179,8,0.2);
        }
.disclaimer-section h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            margin-top: 20px;
            margin-bottom: 12px;
        }
.disclaimer-section p {
            color: rgba(250,250,250,0.8);
            line-height: 1.8;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            color: rgba(250,250,250,0.8);
            padding-left: 20px;
            margin-bottom: 15px;
        }
.disclaimer-section li {
            margin-bottom: 8px;
            line-height: 1.7;
            font-size: 0.95rem;
        }
.disclaimer-section strong {
            color: var(--primary);
        }
.update-info {
            background: rgba(234,179,8,0.05);
            border-left: 4px solid var(--primary);
            padding: 20px 25px;
            border-radius: 0 12px 12px 0;
            margin-top: 30px;
            font-size: 0.9rem;
            color: rgba(250,250,250,0.7);
        }
.update-info i {
            color: var(--primary);
            margin-right: 8px;
        }
.disclaimer-header h1 {
                font-size: 2rem;
            }
.disclaimer-section {
                padding: 25px;
            }