/* 曜夜紫 · 博速体育企业模板 (bs) - 版式借自 buynsel.com 区块节奏, 内容原创 */
:root {
    --bs-primary: #4E2C8F;
    --bs-primary-dark: #3C2170;
    --bs-primary-light: #6E53A8;
    --bs-accent: #28B5C6;
    --bs-accent-dark: #1E8DA0;
    --bs-accent-light: #2E97C4;
    --bs-sub-bg: #F4F0FA;
    --bs-text: #1F1932;
    --bs-text2: #6B6181;
    --bs-dark1: #33245A;
    --bs-dark2: #3C2170;
    --bs-line: #E4E8EC;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; color: var(--bs-text); background: #fff; line-height: 1.7; }
a { text-decoration: none; color: inherit; transition: all .25s ease; }
img { max-width: 100%; display: block; }
.bs-wrap { max-width: 1180px; margin: 0 auto; padding: 0 18px; }

/* ---------- 顶栏 + 粘性 Header ---------- */
.bs-topbar { background: var(--bs-primary-dark); color: #fff; font-size: 13px; }
.bs-topbar .bs-wrap { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.bs-topbar a { color: var(--bs-accent-light); margin-left: 14px; }
.bs-topbar a:hover { color: #fff; }
.bs-header { position: sticky; top: 0; z-index: 999; background: rgba(255,255,255,.97); box-shadow: 0 2px 14px rgba(10,20,40,.08); }
.bs-header .bs-wrap { display: flex; justify-content: space-between; align-items: center; height: 72px; gap: 20px; }
.bs-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: var(--bs-primary-dark); white-space: nowrap; }
.bs-logo-badge { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, var(--bs-primary), var(--bs-accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.bs-nav { display: flex; gap: 24px; list-style: none; margin: 0 auto; }
.bs-nav a { font-size: 15px; font-weight: 600; color: var(--bs-text); padding: 8px 2px; border-bottom: 2px solid transparent; }
.bs-nav a:hover, .bs-nav a.on { color: var(--bs-primary); border-bottom-color: var(--bs-accent); }
.bs-cta-btn { background: var(--bs-primary); color: #fff; border-radius: 30px; padding: 9px 20px; font-size: 14px; font-weight: 700; white-space: nowrap; }
.bs-cta-btn:hover { background: var(--bs-primary-dark); }

/* ---------- Hero 双栏 ---------- */
.bs-hero { background: linear-gradient(160deg, var(--bs-dark1) 0%, var(--bs-dark2) 100%); color: #fff; padding: 64px 0 70px; }
.bs-hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 46px; align-items: center; }
.bs-badge { display: inline-flex; align-items: center; gap: 8px; letter-spacing: 2px; font-size: 13px; font-weight: 700; color: var(--bs-accent-light); border: 1px solid rgba(255,255,255,.3); padding: 6px 16px; border-radius: 20px; margin-bottom: 20px; }
.bs-hero h1 { font-size: 40px; line-height: 1.28; font-weight: 800; margin-bottom: 10px; }
.bs-slogan { font-size: 17px; color: var(--bs-accent-light); font-weight: 700; margin-bottom: 12px; }
.bs-desc { font-size: 15px; color: rgba(255,255,255,.82); margin-bottom: 26px; max-width: 560px; }
.bs-btn { display: inline-block; border-radius: 32px; padding: 13px 30px; font-weight: 700; font-size: 15px; }
.bs-btn-solid { background: var(--bs-accent); color: #1d1502; }
.bs-btn-solid:hover { background: var(--bs-accent-dark); color: #fff; }
.bs-btn-ghost { border: 1.6px solid rgba(255,255,255,.65); color: #fff; margin-left: 12px; }
.bs-btn-ghost:hover { background: rgba(255,255,255,.14); }
.bs-hero-stats { display: flex; gap: 34px; margin-top: 34px; }
.bs-hero-stats .hs-num { font-size: 27px; font-weight: 800; color: var(--bs-accent-light); }
.bs-hero-stats .hs-lab { font-size: 13px; color: rgba(255,255,255,.75); }
.bs-hero-media img { width: 100%; border-radius: 18px; box-shadow: 0 26px 54px rgba(0,0,0,.4); }

/* ---------- 区块通用 ---------- */
.bs-sec { padding: 74px 0; }
.bs-sec.light { background: #fff; }
.bs-sec.gray { background: var(--bs-sub-bg); }
.bs-sec.dark { background: linear-gradient(160deg, var(--bs-dark1) 0%, var(--bs-dark2) 100%); color: #fff; }
.bs-sec-head { text-align: center; margin-bottom: 46px; }
.bs-eyebrow { display: inline-block; letter-spacing: 3px; font-size: 12.5px; font-weight: 800; color: var(--bs-accent); margin-bottom: 8px; }
.bs-sec.dark .bs-eyebrow { color: var(--bs-accent-light); }
.bs-sec-head h2 { font-size: 30px; font-weight: 800; position: relative; display: inline-block; padding-bottom: 14px; }
.bs-sec-head h2::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0; width: 46px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--bs-primary), var(--bs-accent)); }
.bs-sec-head .sub { color: var(--bs-text2); font-size: 15px; margin-top: 12px; }
.bs-sec.dark .bs-sec-head .sub { color: rgba(255,255,255,.65); }

/* ---------- 关于 (左媒体 + 右文 + 4卡) ---------- */
.bs-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; margin-bottom: 40px; }
.bs-about-media { position: relative; border-radius: 18px; overflow: hidden; box-shadow: 0 22px 44px rgba(10,25,60,.16); }
.bs-about-media img { width: 100%; height: 380px; object-fit: cover; }
.bs-about-media .badge { position: absolute; left: 20px; bottom: 20px; background: var(--bs-accent); color: #1d1502; font-weight: 800; border-radius: 12px; padding: 9px 16px; font-size: 13.5px; }
.bs-about-text h3 { font-size: 26px; margin-bottom: 14px; }
.bs-about-text p { color: var(--bs-text2); margin-bottom: 12px; font-size: 15px; }
.bs-about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.bs-about-tags span { background: var(--bs-sub-bg); color: var(--bs-primary-dark); border-radius: 20px; padding: 6px 16px; font-size: 13.5px; font-weight: 700; }
.bs-feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.bs-feat-card { background: #fff; border: 1px solid var(--bs-line); border-radius: 14px; padding: 24px 20px; text-align: center; transition: all .3s ease; }
.bs-feat-card:hover { box-shadow: 0 16px 30px rgba(10,25,60,.12); transform: translateY(-5px); border-color: var(--bs-primary-light); }
.bs-card-icon { width: 52px; height: 52px; margin: 0 auto 12px; border-radius: 14px; background: linear-gradient(135deg, var(--bs-primary), var(--bs-primary-light)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 21px; }
.bs-feat-card h4 { font-size: 16px; margin-bottom: 6px; }
.bs-feat-card p { font-size: 13.5px; color: var(--bs-text2); }

/* ---------- 信任 5 卡 ---------- */
.bs-trust-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.bs-trust-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 14px; padding: 26px 16px; text-align: center; transition: all .3s ease; }
.bs-trust-card:hover { background: rgba(255,255,255,.13); transform: translateY(-5px); }
.bs-trust-card .bs-card-icon { background: linear-gradient(135deg, var(--bs-accent), var(--bs-accent-dark)); color: #1d1502; }
.bs-trust-card h4 { font-size: 15.5px; margin-bottom: 6px; }
.bs-trust-card p { font-size: 13px; color: rgba(255,255,255,.72); }

/* ---------- 服务 6 图卡 ---------- */
.bs-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.bs-service-card { background: #fff; border: 1px solid var(--bs-line); border-radius: 16px; overflow: hidden; transition: all .3s ease; display: block; }
.bs-service-card:hover { transform: translateY(-8px); box-shadow: 0 18px 38px rgba(10,25,60,.14); border-color: var(--bs-primary-light); }
.bs-svc-thumb { height: 170px; overflow: hidden; }
.bs-svc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.bs-service-card:hover .bs-svc-thumb img { transform: scale(1.07); }
.bs-svc-body { padding: 20px; }
.bs-svc-body h4 { font-size: 17px; margin-bottom: 8px; }
.bs-svc-body h4 i { color: var(--bs-primary); margin-right: 8px; }
.bs-svc-body p { font-size: 13.5px; color: var(--bs-text2); min-height: 60px; }
.bs-svc-body .more { color: var(--bs-primary); font-size: 13px; font-weight: 700; }

/* ---------- 实力 3 卡 + chips ---------- */
.bs-sec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.bs-sec-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 28px 22px; text-align: center; }
.bs-sec-card h4 { font-size: 17px; margin: 12px 0 8px; }
.bs-sec-card p { font-size: 13.5px; color: rgba(255,255,255,.72); margin-bottom: 14px; }
.bs-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.bs-chips span { border: 1px solid rgba(255,255,255,.28); color: var(--bs-accent-light); border-radius: 16px; padding: 4px 13px; font-size: 12.5px; }

/* ---------- 时间线 ---------- */
.bs-timeline { max-width: 800px; margin: 0 auto; position: relative; padding-left: 30px; }
.bs-timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--bs-primary), var(--bs-accent)); }
.bs-tl-item { position: relative; padding: 0 0 30px 22px; }
.bs-tl-item::before { content: ""; position: absolute; left: -28px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--bs-accent); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--bs-primary); }
.bs-tl-date { font-size: 13px; font-weight: 800; color: var(--bs-primary); letter-spacing: 1px; }
.bs-tl-item h4 { font-size: 16.5px; margin: 4px 0 6px; }
.bs-tl-item p { font-size: 14px; color: var(--bs-text2); }

/* ---------- 评价 6 气泡 ---------- */
.bs-review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bs-review-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 14px; padding: 22px; }
.bs-review-card .quote { font-size: 14.5px; color: rgba(255,255,255,.88); margin: 10px 0 16px; }
.bs-reviewer { display: flex; align-items: center; gap: 12px; }
.bs-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--bs-accent), var(--bs-primary-light)); color: #1d1502; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.bs-r-name { font-weight: 700; font-size: 14.5px; }
.bs-r-loc { font-size: 12.5px; color: rgba(255,255,255,.6); }
.bs-stars { color: var(--bs-accent-light); font-size: 12px; }

/* ---------- 平台入口 双栏 ---------- */
.bs-app-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 46px; align-items: center; }
.bs-app-text h3 { font-size: 26px; margin-bottom: 12px; }
.bs-app-text p { color: var(--bs-text2); font-size: 15px; margin-bottom: 20px; }
.bs-app-meta { display: flex; gap: 32px; margin-bottom: 24px; }
.bs-app-meta .am-num { font-size: 25px; font-weight: 800; color: var(--bs-primary); }
.bs-app-meta .am-lab { font-size: 13px; color: var(--bs-text2); }
.bs-app-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.bs-btn-primary { background: var(--bs-primary); color: #fff; }
.bs-btn-primary:hover { background: var(--bs-primary-dark); color: #fff; }
.bs-btn-line { border: 1.6px solid var(--bs-primary); color: var(--bs-primary); margin-left: 0; }
.bs-btn-line:hover { background: var(--bs-primary); color: #fff; }
.bs-app-media img { width: 100%; border-radius: 18px; box-shadow: 0 22px 44px rgba(10,25,60,.16); }

/* ---------- 资讯 6 卡 ---------- */
.bs-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.bs-news-card { background: #fff; border: 1px solid var(--bs-line); border-radius: 14px; overflow: hidden; transition: all .3s ease; display: block; }
.bs-news-card:hover { transform: translateY(-6px); box-shadow: 0 16px 34px rgba(10,25,60,.13); }
.bs-news-card .thumb { height: 168px; background: linear-gradient(135deg, var(--bs-sub-bg), #fff); overflow: hidden; }
.bs-news-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.bs-news-card .info { padding: 18px; }
.bs-news-card h4 { font-size: 16px; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bs-news-card:hover h4 { color: var(--bs-primary); }
.bs-news-card .excerpt { font-size: 13px; color: var(--bs-text2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.bs-news-card .meta { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--bs-text2); }
.bs-news-empty { text-align: center; color: var(--bs-text2); padding: 40px 0; }

/* ---------- 页脚 ---------- */
.bs-footer { background: var(--bs-dark1); color: rgba(255,255,255,.75); padding: 56px 0 0; font-size: 14px; }
.bs-footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 34px; padding-bottom: 40px; }
.bs-footer h5 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.bs-footer .brand { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.bs-footer .brand i { color: var(--bs-accent-light); margin-right: 8px; }
.bs-footer p { margin-bottom: 8px; }
.bs-footer ul { list-style: none; }
.bs-footer li { padding: 4px 0; }
.bs-footer a:hover { color: var(--bs-accent-light); }
.bs-footer .contact i { color: var(--bs-accent-light); width: 22px; }
.bs-copyright { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.5); }

/* ---------- 内页通用 ---------- */
.bs-page-hero { background: linear-gradient(120deg, var(--bs-dark1), var(--bs-primary-dark)); color: #fff; padding: 64px 0 54px; text-align: center; }
.bs-page-hero h1 { font-size: 30px; font-weight: 800; }
.bs-page-hero .sub { color: rgba(255,255,255,.7); margin-top: 8px; font-size: 14px; }
.bs-crumb { font-size: 13.5px; color: var(--bs-text2); padding: 20px 0 0; }
.bs-crumb a { color: var(--bs-primary); }
.bs-list { padding: 40px 0 70px; }
.bs-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.bs-list-grid .bs-news-card .thumb { height: 158px; }
.bs-page { text-align: center; padding: 34px 0 0; }
.bs-page a, .bs-page span { display: inline-block; margin: 0 4px; padding: 8px 15px; border: 1px solid var(--bs-line); border-radius: 8px; font-size: 14px; }
.bs-page a:hover { border-color: var(--bs-primary); color: var(--bs-primary); }
.bs-back { display: inline-block; margin: 26px 0 0; background: var(--bs-primary); color: #fff; border-radius: 26px; padding: 10px 24px; font-size: 14px; }
.bs-back:hover { background: var(--bs-primary-dark); }

/* ---------- 文章详情 (正文 + 侧栏) ---------- */
.bs-detail-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 30px; padding: 36px 0 70px; align-items: start; }
.bs-article-head { background: var(--bs-sub-bg); border-radius: 16px 16px 0 0; padding: 26px 26px 20px; }
.bs-article-head h1 { font-size: 26px; line-height: 1.45; margin-bottom: 12px; }
.bs-detail-meta { color: var(--bs-text2); font-size: 13.5px; display: flex; flex-wrap: wrap; gap: 18px; }
.bs-detail-meta i { color: var(--bs-primary); margin-right: 5px; }
.bs-article-body { border: 1px solid var(--bs-line); border-top: 0; border-radius: 0 0 16px 16px; padding: 28px 26px; }
.bs-article-body .content { font-size: 16px; line-height: 2; }
.bs-article-body .content p { margin-bottom: 16px; }
.bs-article-body .content img { border-radius: 12px; margin: 18px auto; }
.bs-widget { background: #fff; border: 1px solid var(--bs-line); border-radius: 14px; padding: 20px; margin-bottom: 20px; }
.bs-widget-title { font-size: 16.5px; font-weight: 800; padding-bottom: 12px; margin-bottom: 12px; border-bottom: 2px solid var(--bs-sub-bg); position: relative; }
.bs-widget-title::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 42px; height: 2px; background: var(--bs-accent); }
.bs-widget ul { list-style: none; }
.bs-widget li { padding: 8px 0; border-bottom: 1px dashed var(--bs-line); font-size: 14px; }
.bs-widget li:last-child { border-bottom: 0; }
.bs-widget li a { display: flex; gap: 8px; color: var(--bs-text); }
.bs-widget li a:hover { color: var(--bs-primary); }
.bs-widget .rank { flex: 0 0 22px; height: 22px; border-radius: 6px; background: var(--bs-sub-bg); color: var(--bs-primary-dark); font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.bs-widget .r-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bs-widget .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.bs-widget .tag-cloud a { background: var(--bs-sub-bg); color: var(--bs-primary-dark); border-radius: 18px; padding: 5px 14px; font-size: 13px; }
.bs-widget .tag-cloud a:hover { background: var(--bs-primary); color: #fff; }
.bs-widget .side-banner { border-radius: 12px; overflow: hidden; }
.bs-widget .side-banner img { width: 100%; height: 160px; object-fit: cover; }
.bs-related { border: 1px solid var(--bs-line); border-top: 0; border-radius: 0 0 16px 16px; padding: 24px 26px; background: #fff; }
.bs-related h4 { font-size: 17px; margin-bottom: 14px; }
.bs-related .bs-news-grid { grid-template-columns: repeat(3, 1fr); }

/* ---------- 图集 ---------- */
.bs-img-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 40px 0 70px; }
.bs-img-grid a { border-radius: 12px; overflow: hidden; display: block; height: 200px; position: relative; }
.bs-img-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.bs-img-grid a:hover img { transform: scale(1.07); }
.bs-img-grid .cap { position: absolute; inset: auto 0 0 0; color: #fff; font-size: 14px; padding: 24px 12px 10px; background: linear-gradient(transparent, rgba(8,14,30,.8)); }

/* ---------- 搜索 ---------- */
.bs-search-box { max-width: 640px; margin: 22px auto 0; display: flex; gap: 10px; }
.bs-search-box input { flex: 1; border: 1.6px solid var(--bs-line); border-radius: 30px; padding: 12px 22px; font-size: 15px; outline: none; background: #fff; color: var(--bs-text); }
.bs-search-box input:focus { border-color: var(--bs-primary); }
.bs-search-box button { background: var(--bs-primary); color: #fff; border: 0; border-radius: 30px; padding: 0 28px; font-weight: 700; cursor: pointer; }
.bs-search-box button:hover { background: var(--bs-primary-dark); }

/* ---------- 标签 ---------- */
.bs-tagcloud { display: flex; flex-wrap: wrap; gap: 12px; padding: 40px 0 70px; }
.bs-tagcloud a { background: var(--bs-sub-bg); color: var(--bs-primary-dark); border-radius: 24px; padding: 8px 20px; font-size: 14px; }
.bs-tagcloud a:hover { background: var(--bs-primary); color: #fff; }

/* ---------- 404 ---------- */
.bs-404 { text-align: center; padding: 110px 20px; }
.bs-404 .code { font-size: 96px; font-weight: 800; background: linear-gradient(120deg, var(--bs-primary), var(--bs-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.bs-404 p { color: var(--bs-text2); margin: 14px 0 30px; font-size: 16px; }

/* ---------- 回顶 ---------- */
.bs-totop { position: fixed; right: 22px; bottom: 26px; width: 44px; height: 44px; border-radius: 50%; background: var(--bs-primary); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(10,25,60,.25); z-index: 998; }
.bs-totop:hover { background: var(--bs-accent-dark); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .bs-hero-grid, .bs-about-grid, .bs-app-grid, .bs-detail-wrap { grid-template-columns: 1fr; }
    .bs-feat-grid, .bs-trust-grid { grid-template-columns: repeat(2, 1fr); }
    .bs-service-grid, .bs-news-grid, .bs-review-grid, .bs-sec-grid, .bs-img-grid, .bs-list-grid { grid-template-columns: repeat(2, 1fr); }
    .bs-footer-grid { grid-template-columns: 1fr 1fr; }
    .bs-hero h1 { font-size: 30px; }
    .bs-nav { display: none; }
}
@media (max-width: 576px) {
    .bs-feat-grid, .bs-trust-grid, .bs-service-grid, .bs-news-grid, .bs-review-grid, .bs-sec-grid, .bs-img-grid, .bs-list-grid, .bs-footer-grid { grid-template-columns: 1fr; }
    .bs-hero-stats, .bs-app-meta { flex-wrap: wrap; gap: 18px; }
}