* {
    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 !important;
}
body {
    background: #0f172a;
    color: #cbd5e1;
    line-height: 1.7;
    overflow-x: hidden;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 28px;
}
h1, h2, h3, h4, h5 {
    font-weight: 700;
    letter-spacing: 0.5px;
}
h2 {
    font-size: 32px;
    color: #f1f5f9;
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}
h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 60px;
    height: 3px;
    background: #f97316;
}
h3 {
    font-size: 20px;
    color: #f1f5f9;
    margin-bottom: 8px;
}
p {
    font-size: 15px;
    color: #94a3b8;
    margin-bottom: 16px;
}
img {
    max-width: 100%;
    border-radius: 8px;
    display: block;
}
a img {
    border: none;
}

/* 导航栏 */
.nav-bar {
    background: linear-gradient(180deg, #1e293b, #131c2e);
    border-bottom: 3px solid #f97316;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.nav-links {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    gap: 36px;
    align-items: center;
}
.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    padding: 8px 0;
    border-bottom: 3px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}
.nav-links a:hover {
    color: #f97316;
    border-bottom-color: #f97316;
}
.nav-links a:first-child {
    color: #f97316;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 1px;
    border-bottom-color: #f97316;
}

/* Hero / GEO */
.hero {
    padding: 72px 0 48px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, #1e293b 0%, #0f172a 70%);
    border-bottom: 1px solid #1e293b;
}
.hero h1 {
    font-size: 38px;
    color: #f8fafc;
    margin-bottom: 24px;
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}
.geo-desc {
    max-width: 900px;
    margin: 0 auto;
    font-size: 16px;
    color: #94a3b8;
    line-height: 1.9;
    padding: 0 20px;
}
.hero-img {
    margin-top: 36px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.hero-img img {
    width: 320px;
    height: 200px;
    object-fit: cover;
    border: 2px solid #475569;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

/* 区块通用 */
.section {
    padding: 64px 0;
}
.section-alt {
    background: #111c2e;
}
.section-head {
    text-align: center;
    margin-bottom: 44px;
}
.section-head h2 {
    display: inline-block;
}
.section-head p {
    max-width: 700px;
    margin: 16px auto 0;
}

/* 工业金属卡片 */
.industrial-card {
    background: linear-gradient(145deg, #1e293b, #162031);
    border: 1px solid #475569;
    border-radius: 8px;
    padding: 28px;
    position: relative;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 4px 16px rgba(0,0,0,0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}
.industrial-card:hover {
    transform: translateY(-4px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 8px 24px rgba(0,0,0,0.4);
}
.industrial-card::before {
    content: "";
    position: absolute;
    top: 5px; left: 5px; right: 5px;
    height: 2px;
    background: linear-gradient(90deg, #f97316, #64748b, transparent);
    border-radius: 2px;
}
.industrial-card .icon {
    font-size: 28px;
    margin-bottom: 12px;
}

/* 数据统计 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-num {
    font-size: 42px;
    font-weight: 800;
    color: #f97316;
    line-height: 1.2;
}
.stat-label {
    font-size: 14px;
    color: #94a3b8;
    margin-top: 8px;
}

/* 核心优势 */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.adv-card .icon {
    font-size: 36px;
    margin-bottom: 14px;
}
.adv-card p {
    font-size: 14px;
    line-height: 1.7;
}

/* 品牌故事 */
.story-wrap {
    display: flex;
    gap: 40px;
    align-items: center;
}
.story-wrap img {
    width: 45%;
    max-height: 320px;
    object-fit: cover;
    border: 2px solid #475569;
    border-radius: 10px;
}
.story-wrap .content {
    flex: 1;
}

/* 时间线 */
.timeline-list {
    list-style: none;
    position: relative;
    padding-left: 30px;
    max-width: 800px;
    margin: 0 auto;
}
.timeline-list::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #f97316;
}
.timeline-list li {
    position: relative;
    padding-bottom: 36px;
    padding-left: 24px;
}
.timeline-list li:last-child {
    padding-bottom: 0;
}
.timeline-list li::before {
    content: "";
    position: absolute;
    left: -26px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: #f97316;
    border-radius: 50%;
    border: 2px solid #1e293b;
    box-shadow: 0 0 0 2px #f97316;
}
.timeline-list h3 {
    color: #f97316;
    font-size: 18px;
}
.timeline-list p {
    font-size: 14px;
    color: #94a3b8;
}

/* 焦点赛事 */
.events-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.event-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 12px;
    border: 1px solid #334155;
}
.event-card .tag {
    display: inline-block;
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 12px;
    margin-bottom: 8px;
}

/* 赛事直播 */
.live-wrap {
    display: flex;
    gap: 32px;
    align-items: center;
}
.live-wrap img {
    width: 50%;
    max-height: 340px;
    object-fit: cover;
    border: 2px solid #f97316;
    border-radius: 10px;
}
.live-info {
    flex: 1;
}
.live-info .live-badge {
    background: #f97316;
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 16px;
    display: inline-block;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.live-info ul {
    list-style: none;
    margin-top: 16px;
}
.live-info ul li {
    padding: 8px 0;
    border-bottom: 1px solid #1e293b;
    font-size: 14px;
    color: #cbd5e1;
}
.live-info ul li:last-child {
    border-bottom: none;
}

/* 用户口碑 */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.testimonial-card .quote {
    font-size: 15px;
    color: #94a3b8;
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 14px;
}
.testimonial-card .author {
    font-weight: 600;
    color: #f1f5f9;
    font-size: 14px;
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, #1e293b, #f97316);
    text-align: center;
    padding: 64px 0;
}
.cta-section h2 {
    color: #fff;
}
.cta-section p {
    color: #f1f5f9;
    max-width: 700px;
    margin: 16px auto 24px;
}
.cta-btn {
    display: inline-block;
    background: #0f172a;
    color: #f97316;
    padding: 14px 36px;
    border-radius: 4px;
    font-weight: 700;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    border: 2px solid #fff;
}
.cta-btn:hover {
    background: #fff;
    color: #0f172a;
}

/* 新闻列表 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.news-card {
    background: #141e2f;
    border: 1px solid #1e293b;
    border-radius: 8px;
    padding: 24px;
    border-left: 4px solid #f97316;
    transition: background 0.3s;
}
.news-card:hover {
    background: #1a2536;
}
.news-date {
    font-size: 14px;
    color: #f97316;
    font-weight: 600;
    margin-bottom: 6px;
}
.news-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}
.news-card p {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.8;
}

/* FAQ */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: #141e2f;
    border: 1px solid #1e293b;
    border-radius: 8px;
    margin-bottom: 16px;
    padding: 24px 28px;
    transition: border-color 0.3s;
}
.faq-item:hover {
    border-color: #f97316;
}
.faq-q {
    font-size: 17px;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 10px;
    position: relative;
    padding-left: 28px;
}
.faq-q::before {
    content: "Q";
    position: absolute;
    left: 0;
    top: 0;
    background: #f97316;
    color: #0f172a;
    font-size: 12px;
    font-weight: 800;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.faq-a {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.8;
    padding-left: 28px;
}

/* 页脚 */
.footer {
    background: #0a1120;
    border-top: 3px solid #f97316;
    padding: 52px 0 24px;
    margin-top: 64px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 32px;
}
.footer h4 {
    color: #f1f5f9;
    margin-bottom: 16px;
    font-size: 16px;
}
.footer p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 6px;
}
.footer .footer-links a {
    color: #64748b;
    text-decoration: none;
    font-size: 13px;
    display: block;
    padding: 4px 0;
    transition: color 0.3s;
}
.footer .footer-links a:hover {
    color: #f97316;
}
.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: #475569;
}
.footer-bottom a {
    color: #64748b;
    text-decoration: none;
    margin: 0 6px;
}
.footer-bottom a:hover {
    color: #f97316;
}

@media (max-width: 992px) {
    .stats-grid, .adv-grid, .events-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .story-wrap, .live-wrap {
        flex-direction: column;
    }
    .story-wrap img, .live-wrap img {
        width: 100%;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 640px) {
    .stats-grid, .adv-grid, .events-grid, .testimonial-grid {
        grid-template-columns: 1fr;
    }
    .container {
        padding: 0 16px;
    }
}