* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
*,
*:before,
*:after {
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif !important;
}
html {
    scroll-behavior: smooth;
}
body {
    background: linear-gradient(180deg, #082f49 0%, #0c4a6e 45%, #082f49 100%);
    color: #e2e8f0;
    line-height: 1.7;
    min-height: 100vh;
}
a {
    color: #67e8f9;
    text-decoration: none;
    transition: color .3s;
}
a:hover {
    color: #a5f3fc;
}
img {
    max-width: 100%;
    border-radius: 0.5rem;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 47, 73, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(103, 232, 249, 0.15);
    padding: 0.7rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.nav-brand img {
    height: 40px;
    width: auto;
    border-radius: 0.4rem;
}
.nav-brand span {
    font-size: 1.3rem;
    font-weight: 700;
    color: #67e8f9;
    letter-spacing: 0.5px;
}
.nav-links {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}
.nav-links a {
    color: #e2e8f0;
    font-size: 0.95rem;
    padding: 0.4rem 0.9rem;
    border-radius: 0.4rem;
    transition: background .3s, color .3s;
    border: 1px solid transparent;
}
.nav-links a:hover {
    color: #67e8f9;
    background: rgba(103, 232, 249, 0.08);
    border-color: rgba(103, 232, 249, 0.25);
}
.hero {
    padding: 4.5rem 0 3.5rem;
    text-align: center;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(103, 232, 249, 0.18) 0%, transparent 70%),
        linear-gradient(180deg, #082f49 0%, #0c4a6e 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.hero .hero-img-wrap {
    max-width: 900px;
    margin: 0 auto 2rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.hero .hero-img-wrap img {
    width: 100%;
    display: block;
    border-radius: 1rem;
}
.hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.8rem;
    line-height: 1.3;
    text-shadow: 0 2px 20px rgba(103, 232, 249, 0.3);
}
.geo-intro {
    max-width: 860px;
    margin: 0 auto;
}
.geo-intro p {
    font-size: 1.02rem;
    color: rgba(226, 232, 240, 0.9);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 1rem;
    padding: 1.6rem 2rem;
    border-left: 4px solid #67e8f9;
    text-align: left;
    line-height: 1.8;
}
.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    text-align: center;
    margin-bottom: 0.6rem;
}
.section-subtitle {
    text-align: center;
    color: rgba(226, 232, 240, 0.6);
    font-size: 0.95rem;
    margin-bottom: 2.2rem;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #67e8f9, transparent);
    margin: 0.6rem auto 0;
}
section {
    padding: 3.5rem 0;
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.9rem;
    padding: 1.8rem;
    backdrop-filter: blur(8px);
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(103, 232, 249, 0.15);
    border-color: rgba(103, 232, 249, 0.3);
}
.card-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
}
.card h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.card p {
    color: rgba(226, 232, 240, 0.8);
    font-size: 0.92rem;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
}
.stat-item {
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.08), rgba(255, 255, 255, 0.03));
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid rgba(103, 232, 249, 0.15);
    transition: transform .3s;
}
.stat-item:hover {
    transform: scale(1.03);
}
.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #67e8f9;
    line-height: 1.2;
}
.stat-label {
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.7);
    margin-top: 0.4rem;
}
.story-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.story-wrap img {
    border-radius: 1rem;
    width: 100%;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.story-content h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}
.story-content p {
    color: rgba(226, 232, 240, 0.82);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 1rem;
}
.event-card {
    position: relative;
    overflow: hidden;
}
.event-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 0.6rem;
    margin-bottom: 1rem;
}
.rank-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.rank-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.6rem;
    padding: 0.9rem 1.2rem;
    border-left: 3px solid #67e8f9;
    transition: background .3s;
}
.rank-item:hover {
    background: rgba(103, 232, 249, 0.08);
}
.rank-num {
    font-size: 1.1rem;
    font-weight: 700;
    color: #67e8f9;
    min-width: 2rem;
}
.rank-name {
    font-weight: 600;
    color: #fff;
    flex: 1;
}
.rank-tag {
    font-size: 0.8rem;
    background: rgba(103, 232, 249, 0.15);
    color: #67e8f9;
    padding: 0.2rem 0.6rem;
    border-radius: 0.3rem;
}
.insight-item {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 0.8rem;
    padding: 1.4rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 4px solid #67e8f9;
}
.insight-item h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 0.4rem;
}
.insight-item p {
    color: rgba(226, 232, 240, 0.75);
    font-size: 0.9rem;
    line-height: 1.6;
}
.review-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.9rem;
    padding: 1.6rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.review-stars {
    color: #fbbf24;
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
}
.review-text {
    color: rgba(226, 232, 240, 0.85);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 0.8rem;
}
.review-author {
    color: #67e8f9;
    font-size: 0.85rem;
    font-weight: 600;
}
.news-section {
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.news-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.8rem;
    padding: 1.3rem 1.6rem;
    transition: background .3s, border-color .3s;
}
.news-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(103, 232, 249, 0.3);
}
.news-tag {
    display: inline-block;
    font-size: 0.75rem;
    background: rgba(103, 232, 249, 0.15);
    color: #67e8f9;
    padding: 0.2rem 0.6rem;
    border-radius: 0.3rem;
    margin-bottom: 0.5rem;
}
.news-date {
    font-size: 0.85rem;
    color: #67e8f9;
    margin-bottom: 0.3rem;
}
.news-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.4rem;
}
.news-title a {
    color: #fff;
}
.news-title a:hover {
    color: #67e8f9;
}
.news-summary {
    font-size: 0.92rem;
    color: rgba(226, 232, 240, 0.78);
    line-height: 1.6;
}
.news-more {
    text-align: center;
    margin-top: 2rem;
}
.btn-more {
    display: inline-block;
    background: rgba(103, 232, 249, 0.12);
    border: 1px solid rgba(103, 232, 249, 0.4);
    color: #67e8f9;
    padding: 0.6rem 2rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    transition: background .3s, color .3s;
}
.btn-more:hover {
    background: rgba(103, 232, 249, 0.25);
    color: #a5f3fc;
}
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.8rem;
    padding: 0;
    overflow: hidden;
    transition: border-color .3s;
}
.faq-item:hover {
    border-color: rgba(103, 232, 249, 0.3);
}
.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    padding: 1.2rem 1.4rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question .faq-icon {
    color: #67e8f9;
    font-size: 1.2rem;
    transition: transform .3s;
}
.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 1.4rem 1.4rem;
    color: rgba(226, 232, 240, 0.85);
    font-size: 0.92rem;
    line-height: 1.7;
    display: none;
}
.faq-answer.show {
    display: block;
}
.download-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.download-info h3 {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.download-info p {
    color: rgba(226, 232, 240, 0.8);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}
.download-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.btn-down {
    display: inline-block;
    background: linear-gradient(135deg, #67e8f9, #0ea5e9);
    color: #082f49 !important;
    padding: 0.7rem 1.8rem;
    border-radius: 0.5rem;
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    transition: transform .3s, box-shadow .3s;
}
.btn-down:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(103, 232, 249, 0.4);
}
.download-img img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}
.footer {
    background: rgba(8, 47, 73, 0.95);
    border-top: 1px solid rgba(103, 232, 249, 0.1);
    padding: 2.5rem 0 1.5rem;
    font-size: 0.88rem;
    color: rgba(226, 232, 240, 0.7);
}
.footer-info {
    display: grid;
    gap: 0.5rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    margin-bottom: 1.5rem;
}
.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.2rem;
}
.footer-bottom p {
    margin-bottom: 0.4rem;
}
.footer-bottom a {
    color: #67e8f9;
    margin: 0 0.3rem;
}
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 0.6rem 1rem;
        position: relative;
    }
    .nav-links {
        justify-content: center;
    }
    .hero {
        padding: 2rem 0 2.5rem;
    }
    .hero h1 {
        font-size: 1.5rem;
    }
    .story-wrap,
    .download-wrap {
        grid-template-columns: 1fr;
    }
    .geo-intro p {
        padding: 1rem 1.2rem;
    }
}