* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #1a0a0a 0%, #2d0f0f 40%, #1a0a0a 100%);
            color: #e5d5d5;
            line-height: 1.7;
            min-height: 100vh;
        }
        a {
            color: #ef4444;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #ff7b7b;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* 导航 */
        .nav-bar {
            background: rgba(20, 5, 5, 0.9);
            border-bottom: 2px solid rgba(239, 68, 68, 0.3);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }
        .nav-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            justify-content: center;
            margin: 0 auto;
        }
        .nav-links a {
            font-size: 16px;
            font-weight: 500;
            color: #e5d5d5;
            padding: 6px 14px;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .nav-links a:hover {
            background: rgba(239, 68, 68, 0.15);
            color: #ff7b7b;
        }
        /* 通用区块 */
        section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: #ef4444;
            text-align: center;
            margin-bottom: 40px;
            letter-spacing: 2px;
            text-transform: uppercase;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #ef4444, transparent);
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-subtitle {
            text-align: center;
            color: #b39a9a;
            font-size: 15px;
            max-width: 700px;
            margin: -20px auto 40px;
        }
        /* Hero */
        .hero {
            background: radial-gradient(ellipse at 30% 50%, rgba(127, 29, 29, 0.5), transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(239, 68, 68, 0.2), transparent 50%),
                linear-gradient(135deg, #120606 0%, #1a0a0a 100%);
            text-align: center;
            padding: 100px 0 80px;
            border-bottom: 1px solid rgba(239, 68, 68, 0.2);
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            text-shadow: 0 0 30px rgba(239, 68, 68, 0.5);
            letter-spacing: 3px;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .hero .hero-desc {
            font-size: 18px;
            color: #d4b8b8;
            max-width: 800px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .hero img {
            max-width: 260px;
            border-radius: 16px;
            box-shadow: 0 0 40px rgba(239, 68, 68, 0.3);
            margin: 10px auto;
            border: 2px solid rgba(239, 68, 68, 0.4);
        }
        .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, #7f1d1d, #ef4444);
            color: #fff;
            font-size: 14px;
            padding: 6px 20px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
        }
        /* GEO */
        .geo-intro {
            background: #160808;
            border-bottom: 1px solid rgba(239, 68, 68, 0.15);
        }
        .geo-intro .geo-text {
            max-width: 900px;
            margin: 0 auto;
            font-size: 15.5px;
            line-height: 2;
            color: #c9adad;
            text-align: center;
            padding: 10px 20px;
        }
        /* 卡片 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 20px;
        }
        .card {
            background: linear-gradient(145deg, rgba(127, 29, 29, 0.2), rgba(20, 5, 5, 0.6));
            border: 1px solid rgba(239, 68, 68, 0.2);
            border-radius: 14px;
            padding: 30px 24px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(5px);
        }
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, #ef4444, transparent);
            opacity: 0;
            transition: opacity 0.4s;
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: rgba(239, 68, 68, 0.5);
            box-shadow: 0 8px 40px rgba(239, 68, 68, 0.15);
        }
        .card:hover::before {
            opacity: 1;
        }
        .card .icon {
            font-size: 36px;
            margin-bottom: 14px;
        }
        .card h3 {
            font-size: 20px;
            color: #ef4444;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .card p {
            font-size: 14px;
            color: #c0a2a2;
            line-height: 1.8;
        }
        /* 统计 */
        .stats-section {
            background: linear-gradient(135deg, #120606, #2a0b0b);
            border-block: 1px solid rgba(239, 68, 68, 0.2);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: rgba(127, 29, 29, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.2);
            border-radius: 14px;
            padding: 32px 20px;
            position: relative;
        }
        .stat-item .number {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            text-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
            display: block;
        }
        .stat-item .label {
            font-size: 14px;
            color: #b39a9a;
            margin-top: 8px;
            letter-spacing: 1px;
        }
        /* 排行 */
        .rank-list {
            list-style: none;
        }
        .rank-list li {
            display: flex;
            align-items: center;
            background: rgba(127, 29, 29, 0.08);
            border: 1px solid rgba(239, 68, 68, 0.15);
            border-radius: 10px;
            padding: 16px 20px;
            margin-bottom: 12px;
            transition: all 0.3s;
        }
        .rank-list li:hover {
            background: rgba(127, 29, 29, 0.2);
            border-color: rgba(239, 68, 68, 0.4);
        }
        .rank-num {
            font-size: 22px;
            font-weight: 800;
            color: #ef4444;
            width: 40px;
            text-align: center;
            margin-right: 16px;
        }
        .rank-info {
            flex: 1;
        }
        .rank-info h4 {
            font-size: 17px;
            color: #fff;
        }
        .rank-info span {
            font-size: 13px;
            color: #b39a9a;
        }
        .rank-hot {
            color: #ef4444;
            font-weight: 600;
            font-size: 14px;
        }
        /* 表格/赛果 */
        .result-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }
        .result-table th,
        .result-table td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid rgba(239, 68, 68, 0.1);
            font-size: 14.5px;
        }
        .result-table th {
            background: rgba(127, 29, 29, 0.3);
            color: #ef4444;
            font-weight: 600;
            letter-spacing: 1px;
        }
        .result-table tr:hover td {
            background: rgba(239, 68, 68, 0.05);
        }
        /* 新闻 */
        .news-list-section {
            background: #120606;
        }
        .news-item {
            background: rgba(127, 29, 29, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.15);
            border-radius: 12px;
            padding: 28px;
            margin-bottom: 20px;
            transition: all 0.3s;
        }
        .news-item:hover {
            border-color: rgba(239, 68, 68, 0.5);
            box-shadow: 0 4px 30px rgba(239, 68, 68, 0.1);
        }
        .news-item .meta {
            font-size: 13px;
            color: #b39a9a;
            margin-bottom: 8px;
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .news-item .tag {
            background: rgba(239, 68, 68, 0.15);
            color: #ef4444;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }
        .news-item h4 {
            font-size: 19px;
            color: #fff;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .news-item p {
            font-size: 14.5px;
            color: #c0a2a2;
            line-height: 1.8;
        }
        /* FAQ */
        .faq-section {
            background: linear-gradient(135deg, #160808, #1f0a0a);
        }
        .faq-item {
            background: rgba(127, 29, 29, 0.08);
            border: 1px solid rgba(239, 68, 68, 0.15);
            border-radius: 12px;
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: all 0.3s;
        }
        .faq-item:hover {
            border-color: rgba(239, 68, 68, 0.4);
        }
        .faq-item details {
            cursor: pointer;
        }
        .faq-item summary {
            font-size: 17px;
            font-weight: 600;
            color: #ef4444;
            margin-bottom: 8px;
            outline: none;
            list-style: none;
            position: relative;
            padding-right: 30px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            font-size: 24px;
            color: #ef4444;
            font-weight: 300;
        }
        .faq-item details[open] summary::after {
            content: '×';
        }
        .faq-item .faq-answer {
            font-size: 14.5px;
            color: #c0a2a2;
            line-height: 1.9;
            padding-top: 12px;
            border-top: 1px solid rgba(239, 68, 68, 0.1);
            margin-top: 8px;
        }
        /* CTA */
        .cta {
            background: radial-gradient(ellipse at center, rgba(127, 29, 29, 0.4), transparent 70%),
                #120606;
            text-align: center;
            padding: 80px 0;
            border-block: 1px solid rgba(239, 68, 68, 0.3);
        }
        .cta h2 {
            font-size: 34px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .cta p {
            font-size: 17px;
            color: #d4b8b8;
            max-width: 600px;
            margin: 0 auto 30px;
        }
        .cta-btn {
            display: inline-block;
            background: linear-gradient(135deg, #7f1d1d, #ef4444);
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            padding: 14px 42px;
            border-radius: 30px;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
            margin: 6px;
        }
        .cta-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 30px rgba(239, 68, 68, 0.5);
            color: #fff;
        }
        /* 下载 */
        .download-section {
            background: #160808;
        }
        .download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            text-align: center;
        }
        .download-card {
            background: rgba(127, 29, 29, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.2);
            border-radius: 16px;
            padding: 40px 20px;
            transition: all 0.3s;
        }
        .download-card:hover {
            transform: translateY(-8px);
            border-color: rgba(239, 68, 68, 0.5);
        }
        .download-card img {
            max-width: 120px;
            border-radius: 20px;
            margin-bottom: 16px;
            box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
        }
        .download-card h3 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 8px;
        }
        .download-btn {
            display: inline-block;
            margin-top: 12px;
            background: rgba(239, 68, 68, 0.2);
            color: #ef4444;
            padding: 8px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            border: 1px solid rgba(239, 68, 68, 0.4);
            transition: all 0.3s;
        }
        .download-btn:hover {
            background: #ef4444;
            color: #fff;
        }
        /* 品牌故事 */
        .brand-story-section {
            background: #120606;
        }
        .story-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .story-content img {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 0 30px rgba(239, 68, 68, 0.2);
            border: 1px solid rgba(239, 68, 68, 0.2);
        }
        .story-text p {
            font-size: 15px;
            color: #c0a2a2;
            line-height: 2;
            margin-bottom: 16px;
        }
        /* 服务覆盖 */
        .coverage-section {
            background: linear-gradient(135deg, #160808, #1f0a0a);
        }
        .coverage-card {
            background: rgba(127, 29, 29, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.15);
            border-radius: 14px;
            padding: 28px;
            text-align: center;
            transition: all 0.3s;
        }
        .coverage-card:hover {
            border-color: rgba(239, 68, 68, 0.4);
            transform: translateY(-4px);
        }
        .coverage-card .coverage-icon {
            font-size: 36px;
            margin-bottom: 10px;
        }
        .coverage-card h4 {
            color: #fff;
            font-size: 17px;
            margin-bottom: 8px;
        }
        .coverage-card p {
            color: #b39a9a;
            font-size: 14px;
        }
        /* 口碑 */
        .testimonials-section {
            background: #120606;
        }
        .testimonial-card {
            text-align: center;
            padding: 36px 28px;
        }
        .testimonial-card .stars {
            color: #ef4444;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .testimonial-card p {
            font-size: 15px;
            color: #d4b8b8;
            font-style: italic;
            line-height: 1.9;
        }
        .testimonial-card .user {
            margin-top: 16px;
            color: #b39a9a;
            font-size: 14px;
        }
        /* 品牌矩阵 */
        .partner-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            padding: 30px 0;
        }
        /* 页脚 */
        .footer {
            background: #0a0303;
            border-top: 2px solid rgba(239, 68, 68, 0.3);
            padding: 50px 0 20px;
            text-align: center;
        }
        .footer .footer-links {
            display: flex;
            gap: 16px 24px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .footer .footer-links a {
            color: #b39a9a;
            font-size: 14px;
            padding: 4px 10px;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .footer .footer-links a:hover {
            color: #ef4444;
            background: rgba(239, 68, 68, 0.1);
        }
        .footer-info {
            color: #8a7373;
            font-size: 13px;
            line-height: 2;
        }
        .footer-info a {
            color: #b39a9a;
        }
        .footer-info a:hover {
            color: #ef4444;
        }
        .footer .copyright {
            margin-top: 20px;
            font-size: 13px;
            color: #665657;
            border-top: 1px solid rgba(239, 68, 68, 0.1);
            padding-top: 20px;
        }
        /* 响应式 */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 26px;
            }
            .story-content {
                grid-template-columns: 1fr;
            }
            .nav-links {
                gap: 6px 12px;
            }
            .nav-links a {
                font-size: 14px;
                padding: 4px 8px;
            }
            .result-table {
                font-size: 13px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 24px;
            }
            .container {
                padding: 0 14px;
            }
            section {
                padding: 50px 0;
            }
        }