/* ============================================================
   Doubing 体育门户模板 — 参照 www.shdoubing.com
   自实现响应式 CSS，无外部依赖
   配色：主橙 #FF6A00 / 琥珀黄 #FFC107 / 深墨 #212529
   Hero 渐变：#380036 → #0CBABA（紫→青）
   ============================================================ */
:root {
    --primary: #FF6A00; --primary-d: #e55d00; --primary-dd: #cc5200;
    --accent: #FFC107; --accent-d: #e0a800;
    --hero-from: #380036; --hero-to: #0CBABA;
    --dark: #212529; --dark-2: #141E30; --dark-3: #243B55;
    --ink: #212529; --muted: #6c757d; --line: #e9ecef;
    --bg: #ffffff; --bg-soft: #f8f9fa; --bg-cream: #FFF2EB;
    --radius: 16px; --shadow: 0 8px 16px rgba(0,0,0,.15);
    --shadow-sm: 0 4px 10px rgba(0,0,0,.08);
    --icon-from: #0072FF; --icon-to: #00C6FF;
    --transition: .3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: "PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    color: var(--ink); background: var(--bg); line-height: 1.7; font-size: 16px; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; border: 0; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { line-height: 1.3; font-weight: 700; color: var(--ink); }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 18px; }
.text-center { text-align: center; }
.icon { display: inline-flex; align-items: center; justify-content: center; line-height: 1; }

/* ---------- 通用区块 ---------- */
section { position: relative; }
.sec { padding: 72px 0; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 42px; }
.sec-head .eyebrow { display: inline-block; color: var(--primary); font-weight: 700; font-size: 14px; letter-spacing: 1.5px; margin-bottom: 10px; text-transform: uppercase; }
.sec-head h2 { font-size: 30px; margin-bottom: 12px; }
.sec-head p { color: var(--muted); font-size: 16px; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; border-radius: 8px; cursor: pointer;
    padding: 12px 24px; font-size: 15px; border: 2px solid transparent; transition: all var(--transition); white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(255,106,0,.4); }
.btn-primary:hover { background: var(--primary-d); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,106,0,.5); }
.btn-accent { background: var(--accent); color: #3a2c00; border-radius: 4px; padding: 10px 18px; font-size: 14px; box-shadow: 0 4px 12px rgba(255,193,7,.3); }
.btn-accent:hover { background: var(--accent-d); color: #3a2c00; transform: translateY(-2px); }
.btn-outline { background: transparent; color: #fff; border-color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); }
.btn-glass { background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.4); backdrop-filter: blur(6px); }
.btn-glass:hover { background: rgba(255,255,255,.25); color: #fff; }
.btn-lg { padding: 15px 32px; font-size: 16px; border-radius: 8px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ---------- 圆形图标 ---------- */
.card-icon { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--icon-from), var(--icon-to));
    display: flex; align-items: center; justify-content: center; font-size: 22px; color: #fff;
    box-shadow: 0 4px 10px rgba(0,114,255,.3); margin-bottom: 16px; }

/* ============================================================
   Header — 吸顶导航
   ============================================================ */
.site-header { position: sticky; top: 0; z-index: 999; background: rgba(255,255,255,.95); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line); box-shadow: 0 2px 4px rgba(0,0,0,.075); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; color: var(--dark); }
.brand-logo { width: 48px; height: 48px; border-radius: 10px; object-fit: contain; }
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a { display: block; padding: 10px 16px; font-size: 15px; font-weight: 500; color: #333; border-radius: 8px; }
.main-nav > ul > li > a:hover { color: var(--primary); background: var(--bg-soft); }
.main-nav > ul > li.active > a { color: var(--primary); font-weight: 600; }
.main-nav .dropdown { position: absolute; top: 100%; left: 0; min-width: 180px; background: #fff; border: 1px solid var(--line);
    border-radius: 12px; box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: .25s; z-index: 50; }
.main-nav li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .dropdown li a { display: block; padding: 9px 14px; font-size: 14px; color: #41506a; border-radius: 8px; }
.main-nav .dropdown li a:hover { background: var(--bg-soft); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; width: 44px; height: 40px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--dark); border-radius: 2px; transition: .3s; }

/* ============================================================
   Hero — 紫→青渐变
   ============================================================ */
.hero { background: linear-gradient(135deg, var(--hero-from) 0%, var(--hero-to) 100%); color: #fff; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 100px 0 80px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12); color: #fff; font-weight: 600;
    font-size: 13px; padding: 7px 15px; border-radius: 999px; margin-bottom: 20px; backdrop-filter: blur(4px); }
.hero h1 { font-size: 36px; line-height: 1.25; color: #fff; margin-bottom: 16px; }
.hero h1 strong { color: var(--accent); }
.hero-slogan { color: rgba(255,255,255,.9); font-weight: 500; font-size: 18px; margin-bottom: 14px; }
.hero-desc { color: rgba(255,255,255,.75); font-size: 16px; max-width: 520px; margin-bottom: 30px; line-height: 1.8; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-media img { border-radius: 20px; box-shadow: 0 30px 60px rgba(0,0,0,.3); }
.hero-stats { display: flex; gap: 34px; flex-wrap: wrap; }
.hero-stats .hs-num { font-size: 24px; font-weight: 800; color: var(--accent); }
.hero-stats .hs-lab { font-size: 13px; color: rgba(255,255,255,.7); }

/* ============================================================
   About — 公司简介 + 4特色卡
   ============================================================ */
.about { background: #fff; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-text p { color: #586576; margin-bottom: 14px; }
.about-text strong { color: var(--primary); }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-tags { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.about-tags span { background: var(--bg-cream); color: var(--primary-d); font-weight: 600; font-size: 14px; padding: 8px 16px; border-radius: 999px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 48px 24px 24px; box-shadow: var(--shadow); transition: transform var(--transition); text-align: center; }
.feature-card:hover { transform: translateY(-6px); }
.feature-card .card-icon { margin: 0 auto 16px; }
.feature-card h4 { font-size: 17px; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.6; }

/* ============================================================
   Why Trust — 深色渐变区
   ============================================================ */
.why { background: linear-gradient(135deg, var(--dark-2), var(--dark-3)); color: #fff; }
.why .sec-head h2 { color: #fff; }
.why .sec-head p { color: rgba(255,255,255,.7); }
.why .sec-head .eyebrow { color: var(--accent); }
.trust-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.trust-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 28px 20px; text-align: center; transition: var(--transition); }
.trust-card:hover { background: rgba(255,255,255,.12); transform: translateY(-4px); }
.trust-card .card-icon { margin: 0 auto 14px; }
.trust-card h4 { font-size: 15px; color: #fff; margin-bottom: 8px; }
.trust-card p { color: rgba(255,255,255,.65); font-size: 13px; }

/* ============================================================
   Services — 全暗服务6卡
   ============================================================ */
.services { background: var(--dark); color: #fff; }
.services .sec-head h2 { color: #fff; }
.services .sec-head p { color: rgba(255,255,255,.7); }
.services .sec-head .eyebrow { color: var(--primary); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.service-card:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); }
.service-card .svc-thumb { aspect-ratio: 16/9; overflow: hidden; background: #1a1a2e; }
.service-card .svc-thumb img { width: 100%; height: 100%; object-fit: cover; }
.service-card .svc-body { padding: 20px; }
.service-card .svc-body h4 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.service-card .svc-body p { color: rgba(255,255,255,.6); font-size: 14px; }

/* ============================================================
   Security — 蓝→粉渐变区 3列
   ============================================================ */
.security { background: linear-gradient(135deg, #1D2B64, #F8CDDA); color: #fff; }
.security .sec-head h2 { color: #fff; }
.security .sec-head p { color: rgba(255,255,255,.8); }
.security .sec-head .eyebrow { color: var(--accent); }
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sec-card { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); padding: 32px 24px; backdrop-filter: blur(6px); text-align: center; transition: var(--transition); }
.sec-card:hover { background: rgba(255,255,255,.18); transform: translateY(-4px); }
.sec-card .card-icon { margin: 0 auto 16px; }
.sec-card h4 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.sec-card p { color: rgba(255,255,255,.8); font-size: 14px; margin-bottom: 14px; }
.sec-card .chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.sec-card .chips span { background: rgba(255,255,255,.2); padding: 4px 12px; border-radius: 999px; font-size: 12px; }

/* ============================================================
   Changelog — 深色时间轴
   ============================================================ */
.changelog { background: linear-gradient(135deg, #0E1A2B, #1B2430); color: #fff; }
.changelog .sec-head h2 { color: #fff; }
.changelog .sec-head p { color: rgba(255,255,255,.7); }
.changelog .sec-head .eyebrow { color: var(--primary); }
.timeline { max-width: 720px; margin: 0 auto; position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: rgba(255,255,255,.15); }
.tl-item { position: relative; padding-bottom: 32px; }
.tl-item::before { content: ""; position: absolute; left: -26px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--primary); border: 3px solid var(--dark-2); box-shadow: 0 0 0 3px rgba(255,106,0,.3); }
.tl-item .tl-date { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 6px; }
.tl-item h4 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.tl-item ul { padding-left: 16px; }
.tl-item ul li { color: rgba(255,255,255,.7); font-size: 14px; margin-bottom: 4px; list-style: disc; }

/* ============================================================
   Reviews — 紫→灰渐变区
   ============================================================ */
.reviews { background: linear-gradient(135deg, #C683D7, #67729D); color: #fff; }
.reviews .sec-head h2 { color: #fff; }
.reviews .sec-head p { color: rgba(255,255,255,.8); }
.reviews .sec-head .eyebrow { color: var(--accent); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); padding: 24px; backdrop-filter: blur(4px); transition: var(--transition); }
.review-card:hover { background: rgba(255,255,255,.16); transform: translateY(-3px); }
.review-card .quote { border-left: 4px solid var(--accent); padding-left: 16px; margin-bottom: 16px; font-size: 15px; font-style: italic; color: rgba(255,255,255,.9); line-height: 1.7; }
.review-card .reviewer { display: flex; align-items: center; gap: 12px; }
.review-card .reviewer img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.review-card .reviewer .r-name { font-weight: 600; font-size: 14px; }
.review-card .reviewer .r-loc { font-size: 12px; color: rgba(255,255,255,.6); }

/* ============================================================
   News — 奶油底色快讯
   ============================================================ */
.news { background: var(--bg-cream); }
.news .sec-head .eyebrow { color: var(--primary); }
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.list-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); display: block; }
.list-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.list-card .thumb { aspect-ratio: 16/9; overflow: hidden; background: #f0f0f0; }
.list-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.list-card:hover .thumb img { transform: scale(1.05); }
.list-card .info { padding: 18px 20px; }
.list-card .info h3 { font-size: 16px; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; }
.news-excerpt { font-size: 14px; color: var(--muted); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-card .meta { display: flex; gap: 16px; color: var(--muted); font-size: 13px; }

/* ============================================================
   Footer — 深色三栏
   ============================================================ */
.site-footer { background: var(--dark); color: #adb5bd; padding: 60px 0 0; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 38px; padding-bottom: 40px; }
.footer-col h6 { color: #fff; font-size: 16px; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.footer-brand .fb-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 18px; margin-bottom: 14px; }
.footer-brand .fb-logo img { width: 42px; height: 42px; border-radius: 8px; }
.footer-brand p { line-height: 1.8; color: #8b9bb5; margin-bottom: 6px; }
.flist li { margin-bottom: 10px; display: flex; align-items: flex-start; gap: 8px; }
.flist li span { color: var(--primary); }
.flist a { color: #adb5bd; }
.flist a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.08); }
.footer-links a { color: #adb5bd; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; text-align: center; color: #6c757d; font-size: 13.5px; }
.footer-bottom a { color: #adb5bd; }

/* ---------- 回到顶部 ---------- */
#backTop { position: fixed; right: 20px; bottom: 26px; width: 48px; height: 48px; border-radius: 50%; border: 0; cursor: pointer;
    background: var(--primary); color: #fff; font-size: 20px; display: none; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(255,106,0,.4); z-index: 900; transition: var(--transition); }
#backTop:hover { background: var(--primary-d); transform: translateY(-3px); }

/* ============================================================
   内页：列表 / 详情 / 单页 / 标签 / 搜索
   ============================================================ */
.page-hero { background: linear-gradient(135deg, var(--hero-from), var(--hero-to)); padding: 40px 0; }
.page-hero h1 { font-size: 26px; color: #fff; }
.breadcrumb-nav { font-size: 14px; color: var(--muted); padding: 20px 0; }
.breadcrumb-nav a { color: var(--primary); }
.breadcrumb-nav span.sep { margin: 0 8px; color: #c2ccdb; }

/* 分类导航条 */
.nav-scroll { display: flex; gap: 10px; overflow-x: auto; padding: 6px 0 18px; scrollbar-width: none; }
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-scroll a { flex: 0 0 auto; padding: 9px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: #41506a; font-size: 14px; font-weight: 600; }
.nav-scroll a:hover { color: var(--primary); border-color: var(--primary); }
.nav-scroll a.on { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 横排行 */
.list-rows { display: flex; flex-direction: column; gap: 18px; padding: 6px 0; }
.list-row { display: grid; grid-template-columns: 220px 1fr; gap: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.list-row:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-3px); }
.list-row .thumb { border-radius: 12px; overflow: hidden; aspect-ratio: 16/10; background: #f0f0f0; }
.list-row .thumb img { width: 100%; height: 100%; object-fit: cover; }
.list-row .info h4 { font-size: 18px; margin-bottom: 10px; }
.list-row .desc { color: var(--muted); font-size: 15px; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-row .meta { display: flex; gap: 20px; color: #98a3b3; font-size: 13px; }

/* 详情 */
.sec-article { padding: 34px 0 60px; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.article-main { min-width: 0; }
.article-head-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 30px; box-shadow: var(--shadow-sm); margin-bottom: 22px; }
.article-head-card h1 { font-size: 26px; line-height: 1.4; margin-bottom: 16px; }
.detail-meta { display: flex; gap: 20px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.detail-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.detail-tags a { background: var(--bg-cream); color: var(--primary-d); font-size: 13px; padding: 5px 13px; border-radius: 999px; }
.article-body-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 32px; box-shadow: var(--shadow-sm); }
.article-body { font-size: 16.5px; color: #33404f; line-height: 1.95; word-break: break-word; }
.article-body p { margin-bottom: 16px; }
.article-body img { border-radius: 12px; margin: 18px auto; box-shadow: var(--shadow-sm); }
.article-body h2, .article-body h3 { margin: 26px 0 14px; color: var(--dark); }
.article-body ul, .article-body ol { margin: 0 0 16px 22px; }
.article-body ul { list-style: disc; } .article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote { border-left: 4px solid var(--primary); background: var(--bg-soft); padding: 14px 18px; border-radius: 0 12px 12px 0; margin: 18px 0; color: #54606f; }
.article-body a { color: var(--primary); text-decoration: underline; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.nav-cell { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.nav-cell p { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.nav-cell a { font-weight: 600; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.nav-cell.next { text-align: right; }

/* 侧栏 */
.article-side { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 22px; }
.widget { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.widget-title { font-size: 16px; font-weight: 700; padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 8px; color: var(--dark); }
.widget-body { padding: 16px 20px; }
.side-list li { padding: 10px 0; border-bottom: 1px dashed var(--line); display: flex; gap: 12px; }
.side-list li:last-child { border-bottom: 0; }
.side-list .idx { flex: 0 0 22px; height: 22px; border-radius: 6px; background: var(--bg-cream); color: var(--primary); font-weight: 800; font-size: 12px; display: flex; align-items: center; justify-content: center; }
.side-list a { font-size: 14.5px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 相关推荐 */
.related-section { margin-top: 26px; }
.related-section h3 { font-size: 20px; margin-bottom: 18px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.related-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; transition: var(--transition); }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.related-card .thumb { aspect-ratio: 16/10; overflow: hidden; background: #f0f0f0; }
.related-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-card h4 { font-size: 15px; padding: 12px 14px 4px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; }
.related-card .date { display: block; padding: 0 14px 14px; color: #98a3b3; font-size: 12.5px; }

/* 单页 */
.page-single { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 36px; box-shadow: var(--shadow-sm); margin: 6px 0 40px; }
.page-single-head { margin-bottom: 20px; }
.page-single-head h1 { font-size: 26px; }
.page-single-line { display: block; width: 56px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); margin-top: 12px; }

/* 标签云 */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-cloud a { background: var(--bg-cream); color: var(--primary-d); padding: 8px 16px; border-radius: 999px; font-size: 14px; font-weight: 600; transition: .25s; }
.tag-cloud a:hover { background: var(--primary); color: #fff; }
.tag-detail-header { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; box-shadow: var(--shadow-sm); margin-bottom: 22px; }
.tag-detail-header .tag-icon { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-dd)); color: #fff; font-size: 24px; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.tag-detail-header h2 { font-size: 22px; }
.tag-detail-header p { color: var(--muted); font-size: 14px; }

/* 搜索 */
.search-section { background: linear-gradient(135deg, var(--hero-from), var(--hero-to)); border-radius: var(--radius); padding: 36px; text-align: center; margin: 24px 0; }
.search-section h2 { font-size: 22px; margin-bottom: 18px; color: #fff; }
.search-form { display: flex; gap: 10px; max-width: 560px; margin: 0 auto; }
.search-form input[type=text] { flex: 1; padding: 13px 18px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; outline: none; }
.search-form input[type=text]:focus { border-color: var(--primary); }
.search-form input[type=submit] { padding: 13px 30px; border: 0; border-radius: 8px; background: var(--primary); color: #fff; font-weight: 700; cursor: pointer; }
.search-form input[type=submit]:hover { background: var(--primary-d); }

/* 空态 */
.empty-tip { text-align: center; padding: 60px 0; color: var(--muted); }
.empty-emoji { font-size: 56px; margin-bottom: 12px; }

/* 分页 */
.pagination-wrap { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; padding: 30px 0; }
.pagination-wrap a, .pagination-wrap span { min-width: 42px; height: 42px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line); border-radius: 10px; background: #fff; color: #41506a; font-weight: 600; font-size: 14px; }
.pagination-wrap a:hover { border-color: var(--primary); color: var(--primary); }
.pagination-wrap .page-active, .pagination-wrap .active, .pagination-wrap span.current { background: var(--primary); color: #fff; border-color: var(--primary); }


/* ============================================================
   App 下载区 — 深蓝渐变
   ============================================================ */
.appdl { background: linear-gradient(150deg, #141E30 0%, #243B55 50%, #0E1A2B 100%); color: #fff; overflow: hidden; }
.appdl-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; }
.appdl h2 { color: #fff; font-size: 30px; margin-bottom: 16px; }
.appdl p { color: rgba(255,255,255,.85); font-size: 16px; margin-bottom: 26px; }
.appdl-meta { display: flex; gap: 34px; margin-bottom: 30px; flex-wrap: wrap; }
.appdl-meta .am-num { font-size: 28px; font-weight: 800; color: var(--accent); }
.appdl-meta .am-lab { font-size: 13px; color: rgba(255,255,255,.7); }
.appdl-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.appdl-media { display: flex; justify-content: center; }
.appdl-media img { border-radius: 24px; box-shadow: 0 30px 70px rgba(0,0,0,.45); max-width: 340px; }

/* ============================================================
   安全区背景图增强
   ============================================================ */
.security { position: relative; }
.security::before { content: ""; position: absolute; inset: 0; background: url('../images/security.jpg') center/cover no-repeat; opacity: .12; z-index: 0; }
.security .container { position: relative; z-index: 1; }

/* ============================================================
   Hero 增强：右侧加浮动光斑
   ============================================================ */
.hero::after { content: ""; position: absolute; top: 10%; right: 5%; width: 300px; height: 300px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,106,0,.2), transparent 70%); pointer-events: none; animation: glow-bg 4s ease-in-out infinite; }
.hero { position: relative; }

/* ============================================================
   响应式补充
   ============================================================ */
@media (max-width: 992px) {
    .appdl-grid { grid-template-columns: 1fr; gap: 32px; }
    .appdl-media img { max-width: 280px; }
}
@media (max-width: 560px) {
    .appdl-btns { flex-direction: column; }
    .appdl-meta { flex-direction: column; gap: 16px; }
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes floatIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0% { transform: scale(.6); opacity: .8; } 100% { transform: scale(2.4); opacity: 0; } }
@keyframes glow-bg { 0%,100% { box-shadow: 0 0 20px rgba(255,106,0,.2); } 50% { box-shadow: 0 0 40px rgba(255,106,0,.4); } }
.animate-float { animation: floatIn .6s ease both; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 992px) {
    .hero-grid, .about-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero h1 { font-size: 30px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { grid-template-columns: repeat(3, 1fr); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .security-grid { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
    .list-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .article-side { position: static; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .sec { padding: 52px 0; }
    .sec-head h2 { font-size: 24px; }
    .nav-toggle { display: flex; }
    .main-nav { position: absolute; top: 72px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow); max-height: 0; overflow: hidden; transition: max-height .35s ease; }
    .main-nav.open { max-height: 70vh; overflow: auto; }
    .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0; }
    .main-nav > ul > li > a { padding: 14px 22px; border-radius: 0; }
    .main-nav .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; border-radius: 0; display: none; background: var(--bg-soft); }
    .main-nav li:hover .dropdown { display: block; }
    .hero-grid { padding: 50px 0 40px; }
    .list-row { grid-template-columns: 1fr; }
    .list-row .thumb { aspect-ratio: 16/9; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .list-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-nav { grid-template-columns: 1fr; }
    .hero h1 { font-size: 26px; }
}