html,
    body {
        margin: 0;
        padding: 0;
        scroll-behavior: smooth;
    }
    * {
        box-sizing: border-box;
        font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
    }
    body {
        background: linear-gradient(160deg, #2563eb 0%, #1e1b4b 40%, #0f172a 100%);
        background-attachment: fixed;
        color: #e2e8f0;
        line-height: 1.8;
        min-height: 100vh;
        overflow-x: hidden;
    }
    body::before {
        content: '';
        position: fixed;
        inset: 0;
        background-image:
            linear-gradient(rgba(34, 211, 238, .04) 1px, transparent 1px),
            linear-gradient(90deg, rgba(34, 211, 238, .04) 1px, transparent 1px);
        background-size: 40px 40px;
        z-index: 0;
        pointer-events: none;
    }

    /* 导航 */
    .navbar {
        position: sticky;
        top: 0;
        z-index: 999;
        background: rgba(15, 23, 42, .92);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(34, 211, 238, .3);
        padding: 0 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
    }
    .navbar .nav-links {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        align-items: center;
    }
    .navbar .nav-links a {
        color: #cbd5e1;
        text-decoration: none;
        padding: 8px 18px;
        border-radius: 30px;
        font-size: 14px;
        font-weight: 500;
        transition: .3s;
        background: rgba(255, 255, 255, .05);
        border: 1px solid rgba(255, 255, 255, .08);
        display: inline-block;
    }
    .navbar .nav-links a:hover {
        background: rgba(34, 211, 238, .15);
        border-color: rgba(34, 211, 238, .5);
        color: #fff;
        box-shadow: 0 0 20px rgba(34, 211, 238, .15);
    }

    /* 通用容器 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
        position: relative;
        z-index: 1;
    }
    .section {
        padding: 80px 0;
        position: relative;
        z-index: 1;
    }

    /* 量子卡片 */
    .quantum-card {
        background: rgba(255, 255, 255, .04);
        border: 1px solid rgba(34, 211, 238, .2);
        border-radius: 16px;
        padding: 28px;
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 30px rgba(37, 99, 235, .2);
        transition: .4s;
    }
    .quantum-card:hover {
        border-color: rgba(34, 211, 238, .7);
        box-shadow: 0 8px 50px rgba(34, 211, 238, .25);
        transform: translateY(-4px);
    }

    /* GEO */
    .geo-section {
        padding-top: 70px;
        padding-bottom: 60px;
        text-align: center;
    }
    .geo-section h1 {
        font-size: 42px;
        font-weight: 800;
        background: linear-gradient(135deg, #fff 0%, #c7f0ff 50%, #22d3ee 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 24px;
        line-height: 1.3;
        letter-spacing: 1px;
        display: inline-block;
    }
    .geo-section .geo-desc {
        max-width: 900px;
        margin: 0 auto;
        font-size: 16px;
        line-height: 2;
        color: #cbd5e1;
        padding: 20px 30px;
        background: rgba(255, 255, 255, .03);
        border-radius: 20px;
        border: 1px solid rgba(255, 255, 255, .08);
    }
    .geo-section .geo-hero-img {
        margin: 30px auto 0;
        max-width: 720px;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
        border: 1px solid rgba(34, 211, 238, .3);
    }
    .geo-section .geo-hero-img img {
        width: 100%;
        height: auto;
        display: block;
    }

    /* 标题通用 */
    .section-title {
        text-align: center;
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 16px;
        position: relative;
        background: linear-gradient(135deg, #fff, #c7f0ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        letter-spacing: 1px;
    }
    .section-subtitle {
        text-align: center;
        color: #94a3b8;
        font-size: 15px;
        margin-bottom: 48px;
    }

    /* 核心优势 */
    .advantages-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .advantage-item {
        text-align: center;
        padding: 36px 24px;
    }
    .advantage-item .icon {
        font-size: 48px;
        margin-bottom: 16px;
        display: block;
    }
    .advantage-item h3 {
        font-size: 18px;
        margin-bottom: 10px;
        color: #e0f2fe;
    }
    .advantage-item p {
        font-size: 14px;
        color: #94a3b8;
        line-height: 1.7;
    }
    @media(max-width:900px) {
        .advantages-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    /* 数据统计 */
    .stats-section {
        background: rgba(15, 23, 42, .5);
        border-top: 1px solid rgba(34, 211, 238, .15);
        border-bottom: 1px solid rgba(34, 211, 238, .15);
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        text-align: center;
    }
    .stat-item .stat-number {
        font-size: 46px;
        font-weight: 800;
        color: #22d3ee;
        text-shadow: 0 0 30px rgba(34, 211, 238, .5);
        line-height: 1.2;
    }
    .stat-item .stat-label {
        color: #94a3b8;
        font-size: 15px;
        margin-top: 6px;
    }
    @media(max-width:900px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    /* 品牌故事 */
    .brand-story-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }
    .brand-story-grid .story-img {
        border-radius: 20px;
        overflow: hidden;
        border: 1px solid rgba(34, 211, 238, .2);
        box-shadow: 0 20px 50px rgba(0, 0, 0, .4);
    }
    .brand-story-grid .story-img img {
        width: 100%;
        height: auto;
        display: block;
    }
    .story-text p {
        margin-bottom: 16px;
        color: #cbd5e1;
        font-size: 15px;
        line-height: 1.9;
    }
    @media(max-width:900px) {
        .brand-story-grid {
            grid-template-columns: 1fr;
        }
    }

    /* 焦点赛事 */
    .events-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .event-card {
        text-align: center;
        padding: 24px;
    }
    .event-card .event-img {
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 16px;
        width: 100%;
        height: 180px;
        object-fit: cover;
        border: 1px solid rgba(34, 211, 238, .2);
    }
    .event-card .event-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .event-card .league {
        color: #22d3ee;
        font-size: 13px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    .event-card h3 {
        font-size: 18px;
        margin: 8px 0 4px;
        color: #f1f5f9;
    }
    .event-card .teams {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin: 10px 0 6px;
    }
    .event-card .match-info {
        color: #94a3b8;
        font-size: 13px;
    }
    @media(max-width:900px) {
        .events-grid {
            grid-template-columns: 1fr;
        }
    }

    /* 愿景使命 */
    .vision-section {
        background: rgba(15, 23, 42, .6);
        border-top: 1px solid rgba(34, 211, 238, .15);
        border-bottom: 1px solid rgba(34, 211, 238, .15);
    }
    .vision-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .vision-box {
        padding: 40px;
        text-align: center;
    }
    .vision-box .v-icon {
        font-size: 52px;
        margin-bottom: 16px;
    }
    .vision-box h3 {
        font-size: 24px;
        margin-bottom: 16px;
        color: #e0f2fe;
    }
    .vision-box p {
        color: #94a3b8;
        font-size: 15px;
        line-height: 1.9;
    }
    @media(max-width:900px) {
        .vision-grid {
            grid-template-columns: 1fr;
        }
    }

    /* 新闻 */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .news-card {
        display: flex;
        flex-direction: column;
    }
    .news-card .news-img {
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 14px;
        height: 160px;
    }
    .news-card .news-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }
    .news-card .news-date {
        font-size: 13px;
        color: #22d3ee;
        font-weight: 600;
        margin-bottom: 6px;
    }
    .news-card h3 {
        font-size: 17px;
        line-height: 1.4;
        margin-bottom: 10px;
        color: #f1f5f9;
    }
    .news-card p {
        font-size: 14px;
        color: #94a3b8;
        line-height: 1.7;
        flex-grow: 1;
        margin-bottom: 12px;
    }
    .news-card .news-tag {
        display: inline-block;
        font-size: 12px;
        padding: 4px 14px;
        border-radius: 20px;
        background: rgba(34, 211, 238, .15);
        color: #22d3ee;
        text-decoration: none;
        border: 1px solid rgba(34, 211, 238, .3);
        align-self: flex-start;
    }
    @media(max-width:900px) {
        .news-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media(max-width:600px) {
        .news-grid {
            grid-template-columns: 1fr;
        }
    }

    /* FAQ */
    .faq-list {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-item {
        margin-bottom: 16px;
        border-radius: 14px;
        overflow: hidden;
        background: rgba(255, 255, 255, .03);
        border: 1px solid rgba(34, 211, 238, .2);
        transition: .3s;
    }
    .faq-item:hover {
        border-color: rgba(34, 211, 238, .5);
    }
    .faq-item summary {
        padding: 20px 24px;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        color: #e2e8f0;
        list-style: none;
        display: flex;
        align-items: center;
        gap: 12px;
        position: relative;
    }
    .faq-item summary::before {
        content: '▸';
        font-size: 18px;
        color: #22d3ee;
        transition: transform .3s;
    }
    .faq-item[open] summary::before {
        transform: rotate(90deg);
    }
    .faq-item .faq-answer {
        padding: 0 24px 20px 54px;
        font-size: 14px;
        color: #94a3b8;
        line-height: 1.9;
    }

    /* CTA */
    .cta-section {
        text-align: center;
        background: linear-gradient(135deg, rgba(37, 99, 235, .3), rgba(34, 211, 238, .1));
        border-radius: 24px;
        padding: 60px 40px;
        margin: 60px 0;
    }
    .cta-section h2 {
        font-size: 30px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }
    .cta-section p {
        color: #cbd5e1;
        font-size: 16px;
        margin-bottom: 30px;
    }
    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .cta-btn {
        display: inline-block;
        padding: 14px 36px;
        border-radius: 30px;
        text-decoration: none;
        font-weight: 600;
        font-size: 15px;
        transition: .3s;
        border: 1px solid transparent;
    }
    .cta-btn-primary {
        background: linear-gradient(135deg, #2563eb, #22d3ee);
        color: #fff;
        box-shadow: 0 4px 30px rgba(34, 211, 238, .3);
    }
    .cta-btn-primary:hover {
        box-shadow: 0 8px 50px rgba(34, 211, 238, .5);
        transform: translateY(-2px);
    }
    .cta-btn-outline {
        border-color: rgba(34, 211, 238, .5);
        color: #22d3ee;
        background: transparent;
    }
    .cta-btn-outline:hover {
        background: rgba(34, 211, 238, .1);
    }

    /* 页脚 */
    footer {
        background: rgba(15, 23, 42, .95);
        border-top: 1px solid rgba(34, 211, 238, .2);
        padding: 48px 0 30px;
        margin-top: 40px;
    }
    .footer-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 20px;
        margin-bottom: 30px;
    }
    .footer-info {
        font-size: 14px;
        color: #94a3b8;
        line-height: 2;
    }
    .footer-links-row {
        text-align: center;
        font-size: 14px;
        color: #94a3b8;
        border-top: 1px solid rgba(255, 255, 255, .06);
        padding-top: 20px;
    }
    .footer-links-row a {
        color: #22d3ee;
        text-decoration: none;
        margin: 0 10px;
    }
    .footer-links-row a:hover {
        text-decoration: underline;
    }
    .footer-copyright {
        text-align: center;
        font-size: 13px;
        color: #64748b;
        margin-top: 10px;
    }

    /* 响应式 */
    @media(max-width:768px) {
        .navbar {
            padding: 0 12px;
        }
        .navbar .nav-links a {
            padding: 6px 12px;
            font-size: 13px;
        }
        .geo-section h1 {
            font-size: 28px;
        }
        .section {
            padding: 50px 0;
        }
    }