/* ============================================================
   TEMP-08 · 体育企业模板 (Sports Corporate)
   配色：深海军蓝 #0a2540 / 草坪绿 #12b76a / 琥珀金 #ffb54d
   纯 HTML5 + CSS3 · 无 MIP 组件 · 移动端自适应
   ============================================================ */
:root {
  --navy: #0a2540;
  --navy-2: #0d2f52;
  --navy-3: #071c33;
  --green: #12b76a;
  --green-deep: #0e8a4f;
  --amber: #ffb54d;
  --blue: #2f80ed;
  --ink: #1c2b39;
  --muted: #5b6b7c;
  --line: #e3e9f0;
  --bg: #f5f8fb;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 37, 64, .08);
  --shadow-lg: 0 18px 50px rgba(10, 37, 64, .16);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.75; font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; border-radius: 8px; }
a { color: var(--navy); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-deep); }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.35; font-weight: 800; color: var(--navy); }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.section { padding: 72px 0; }
.section-head { text-align: center; margin-bottom: 42px; }
.section-head .eyebrow {
  display: inline-block; font-size: .82rem; letter-spacing: 3px; font-weight: 700;
  color: var(--green-deep); background: rgba(18, 183, 106, .1);
  padding: 4px 16px; border-radius: 999px; margin-bottom: 12px;
}
.section-head h2 { font-size: 2rem; margin-bottom: 10px; }
.section-head p { color: var(--muted); max-width: 720px; margin: 0 auto; }

/* ---------- 顶部品牌条 + 主导航 ---------- */
.brand-bar { background: var(--navy); color: #cfe3f2; font-size: .82rem; }
.brand-bar .container { display: flex; align-items: center; justify-content: space-between; min-height: 38px; gap: 16px; }
.brand-bar .ticker { display: flex; align-items: center; gap: 8px; letter-spacing: 1px; }
.brand-bar .ticker i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.brand-bar a { color: #cfe3f2; margin-left: 14px; }
.brand-bar a:hover { color: var(--amber); }
.site-header {
  position: sticky; top: 0; z-index: 99; background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px); box-shadow: 0 2px 14px rgba(10, 37, 64, .08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy), var(--green-deep)); color: #fff; font-weight: 900; font-size: .95rem;
  box-shadow: var(--shadow);
}
.brand-name { font-weight: 900; font-size: 1.12rem; color: var(--navy); line-height: 1.15; display: block; }
.brand-sub { display: block; font-size: .64rem; letter-spacing: 3px; color: var(--green-deep); font-weight: 600; }
.main-nav ul { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.main-nav a { display: block; padding: 8px 14px; border-radius: 8px; font-weight: 600; font-size: .95rem; color: var(--ink); }
.main-nav a:hover { background: rgba(18, 183, 106, .1); color: var(--green-deep); }
.main-nav li.active a { background: var(--navy); color: #fff; }
.header-cta {
  display: inline-flex; align-items: center; gap: 6px; background: var(--amber); color: var(--navy);
  font-weight: 800; padding: 9px 18px; border-radius: 999px; box-shadow: var(--shadow); flex-shrink: 0;
}
.header-cta:hover { background: var(--green); color: #fff; }
.nav-toggle, .nav-close { display: none; background: none; border: 0; font-size: 1.5rem; color: var(--navy); cursor: pointer; }

/* ---------- HERO（对应参考站 hero-10） ---------- */
.hero {
  position: relative; overflow: hidden; text-align: center; color: #fff;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 55%, #0c3b2e 100%);
  padding: 88px 0 96px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero > .container { position: relative; }
.hero h1 { color: #fff; font-size: 2.9rem; letter-spacing: 1px; }
.hero h1 .hl { color: var(--green); }
.hero .slogan { color: #a8c6dd; font-size: 1.15rem; margin: 14px auto 34px; max-width: 640px; }
.hero-search { max-width: 560px; margin: 0 auto; display: flex; background: #fff; border-radius: 999px; overflow: hidden; box-shadow: var(--shadow-lg); }
.hero-search input[type="text"] { flex: 1; border: 0; padding: 14px 22px; font-size: 1rem; outline: none; color: var(--ink); border-radius: 0; }
.hero-search input[type="submit"] {
  border: 0; background: var(--green-deep); color: #fff; font-weight: 800; padding: 0 30px; cursor: pointer;
  font-size: 1rem; transition: background .2s; border-radius: 0;
}
.hero-search input[type="submit"]:hover { background: var(--green); }
.hero-buttons { display: flex; justify-content: center; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; padding: 13px 30px; border-radius: 999px; transition: all .2s; }
.btn-solid { background: var(--green); color: #fff; box-shadow: 0 8px 24px rgba(18, 183, 106, .4); }
.btn-solid:hover { background: var(--amber); color: var(--navy); }
.btn-ghost { border: 2px solid rgba(255, 255, 255, .45); color: #fff; }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- 企业简介（about-14） ---------- */
.about-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 46px 52px; margin-top: -56px; position: relative; border-top: 5px solid var(--green);
}
.about-card p { color: var(--muted); text-align: justify; }
.about-card p + p { margin-top: 14px; }
.about-card strong { color: var(--navy); }
.about-tags { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.about-tags span { background: rgba(47, 128, 237, .08); color: var(--blue); font-weight: 700; font-size: .85rem; padding: 6px 16px; border-radius: 999px; }

/* ---------- 数据面板（stats-5） ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px;
  display: flex; gap: 16px; align-items: center; transition: transform .2s;
}
.stat-card:hover { transform: translateY(-4px); }
.stat-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.stat-icon.i-green { background: rgba(18, 183, 106, .12); }
.stat-icon.i-blue { background: rgba(47, 128, 237, .12); }
.stat-icon.i-amber { background: rgba(255, 181, 77, .16); }
.stat-icon.i-navy { background: rgba(10, 37, 64, .09); }
.stat-data b { font-size: 1.7rem; color: var(--navy); display: block; line-height: 1.2; }
.stat-data span { color: var(--muted); font-size: .86rem; }

/* ---------- 最新动态列表（news-10 左图右文横条） ---------- */
.news-row {
  display: flex; gap: 24px; background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; transition: transform .2s, box-shadow .2s;
}
.news-row:hover { transform: translateX(6px); box-shadow: var(--shadow-lg); }
.news-row .thumb { flex: 0 0 236px; }
.news-row .thumb img { width: 100%; height: 148px; object-fit: cover; border-radius: 10px; }
.news-row .body { flex: 1; display: flex; flex-direction: column; justify-content: space-between; min-width: 0; }
.news-row h3 { font-size: 1.18rem; }
.news-row h3 a { color: var(--navy); }
.news-row h3 a:hover { color: var(--green-deep); }
.news-row .desc { color: var(--muted); font-size: .92rem; margin: 8px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 16px; color: var(--muted); font-size: .82rem; flex-wrap: wrap; }
.news-meta .cat-chip { background: rgba(255, 181, 77, .2); color: #9a6b00; padding: 2px 12px; border-radius: 999px; font-weight: 700; }
.news-meta .read-more { margin-left: auto; color: var(--green-deep); font-weight: 800; }
.news-meta .read-more:hover { color: var(--green); }

/* ---------- 荣誉与成就（honor-5 三卡） ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.honor-card { background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .2s; }
.honor-card:hover { transform: translateY(-6px); }
.honor-card img { width: 100%; height: 190px; object-fit: cover; border-radius: 0; }
.honor-card .hc-body { padding: 22px 24px; }
.honor-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.honor-card .hc-year { color: var(--amber); font-weight: 800; font-size: .8rem; letter-spacing: 2px; }
.honor-card p { color: var(--muted); font-size: .9rem; }

/* ---------- 三重服务保障（security-13 深色 + 核心卡） ---------- */
.shield { background: linear-gradient(150deg, var(--navy-3), var(--navy) 60%, #103a2a); color: #fff; }
.shield .section-head h2, .shield h3, .shield h4 { color: #fff; }
.shield .section-head p { color: #9db8cc; }
.shield-grid { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 20px; align-items: stretch; }
.shield-card { border-radius: var(--radius); padding: 30px 26px; }
.shield-card.c-blue { background: linear-gradient(160deg, rgba(47, 128, 237, .32), rgba(47, 128, 237, .1)); border: 1px solid rgba(47, 128, 237, .4); }
.shield-card.c-green { background: linear-gradient(160deg, rgba(18, 183, 106, .32), rgba(18, 183, 106, .1)); border: 1px solid rgba(18, 183, 106, .4); }
.shield-card.c-amber { background: linear-gradient(160deg, rgba(255, 181, 77, .3), rgba(255, 181, 77, .08)); border: 1px solid rgba(255, 181, 77, .4); }
.shield-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.shield-card p { color: #c8dbe8; font-size: .92rem; }
.shield-core {
  background: rgba(255, 255, 255, .06); border: 1px dashed rgba(255, 255, 255, .35); border-radius: var(--radius);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 30px;
}
.shield-core .ring {
  width: 92px; height: 92px; border-radius: 50%; border: 3px solid var(--green);
  display: flex; align-items: center; justify-content: center; font-size: 2rem; margin-bottom: 14px;
  box-shadow: 0 0 0 10px rgba(18, 183, 106, .12);
}
.shield-core b { font-size: 1.25rem; color: var(--amber); letter-spacing: 1px; }
.shield-core span { color: #9db8cc; font-size: .88rem; }

/* ---------- 为什么选择我们（why-us 三组图文行） ---------- */
.why-row { display: grid; grid-template-columns: 1fr 1.15fr; gap: 44px; align-items: center; margin-bottom: 56px; }
.why-row:last-child { margin-bottom: 0; }
.why-row.rev .why-img { order: 2; }
.why-img img { width: 100%; height: 320px; object-fit: cover; box-shadow: var(--shadow-lg); }
.why-body h3 { font-size: 1.55rem; margin-bottom: 6px; }
.why-body .why-kicker { color: var(--green-deep); font-weight: 800; letter-spacing: 2px; font-size: .82rem; }
.why-body p { color: var(--muted); margin-top: 12px; text-align: justify; }
.why-points { margin-top: 16px; display: grid; gap: 10px; }
.why-points li { padding-left: 30px; position: relative; color: var(--ink); font-weight: 600; font-size: .95rem; }
.why-points li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--green); color: #fff; font-size: .72rem; display: flex; align-items: center; justify-content: center;
}

/* ---------- 合作问答时间线（faq-11） ---------- */
.faq-wrap { max-width: 820px; margin: 0 auto; position: relative; padding-left: 46px; }
.faq-wrap::before { content: ""; position: absolute; left: 17px; top: 8px; bottom: 8px; width: 3px; background: linear-gradient(var(--green), var(--blue)); border-radius: 3px; }
.faq-step { position: relative; margin-bottom: 26px; }
.faq-step::before {
  content: attr(data-step); position: absolute; left: -46px; top: 2px; width: 36px; height: 36px; border-radius: 50%;
  background: #fff; border: 3px solid var(--green); color: var(--green-deep); font-weight: 900;
  display: flex; align-items: center; justify-content: center; font-size: .9rem;
}
.faq-q { background: var(--card); border-radius: 12px; box-shadow: var(--shadow); padding: 18px 22px; cursor: pointer; font-weight: 800; color: var(--navy); position: relative; }
.faq-q::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); color: var(--green-deep); font-size: 1.3rem; font-weight: 700; }
.faq-step.open .faq-q::after { content: "−"; }
.faq-a { display: none; background: rgba(18, 183, 106, .06); border-radius: 0 0 12px 12px; padding: 14px 22px; color: var(--muted); font-size: .94rem; }
.faq-step.open .faq-a { display: block; }

/* ---------- 平台推广（app-14） ---------- */
.app-promo { position: relative; overflow: hidden; background: linear-gradient(120deg, #0c3b2e, var(--navy) 70%); color: #fff; border-radius: 22px; padding: 54px; }
.app-promo .grid2 { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.app-promo h2 { color: #fff; font-size: 1.8rem; margin: 10px 0 14px; }
.app-promo p { color: #b9d2c8; }
.app-rating { display: inline-flex; align-items: center; gap: 12px; background: rgba(255, 255, 255, .1); border-radius: 999px; padding: 8px 18px; font-size: .9rem; }
.app-rating b { color: var(--amber); font-size: 1.2rem; }
.app-stars { color: var(--amber); letter-spacing: 2px; }
.app-platforms { display: flex; gap: 12px; margin: 20px 0 24px; flex-wrap: wrap; }
.app-platforms span { border: 1px solid rgba(255, 255, 255, .35); padding: 5px 16px; border-radius: 8px; font-size: .85rem; color: #d9e8e1; }
.app-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.app-shot { text-align: center; }
.app-shot img { max-height: 380px; margin: 0 auto; border-radius: 18px; box-shadow: var(--shadow-lg); border: 6px solid rgba(255, 255, 255, .14); }

/* ---------- 页脚（footer-12 四栏卡片） ---------- */
.site-footer { background: var(--navy-3); color: #a9c1d4; margin-top: 72px; padding: 56px 0 26px; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 34px; }
.footer-cell { background: rgba(255, 255, 255, .06); border-radius: 14px; padding: 22px; }
.footer-cell h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer-cell h4 i { display: inline-block; width: 6px; height: 14px; background: var(--green); border-radius: 3px; margin-right: 8px; vertical-align: -1px; }
.footer-links li { margin-bottom: 8px; font-size: .9rem; }
.footer-links a { color: #a9c1d4; }
.footer-links a:hover { color: var(--amber); }
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-tags a { background: rgba(255, 255, 255, .08); color: #cfe3f2; padding: 3px 12px; border-radius: 999px; font-size: .8rem; }
.footer-tags a:hover { background: var(--green); color: #fff; }
.footer-brand p { font-size: .9rem; margin-top: 10px; }
.friend-links { border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 20px; margin-bottom: 20px; }
.friend-links h5 { color: var(--amber); font-size: .85rem; letter-spacing: 2px; margin-bottom: 10px; }
.friend-links ul { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.friend-links a { color: #8fb0c7; font-size: .85rem; }
.footer-bottom { text-align: center; font-size: .82rem; color: #7e9cb2; border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 18px; }
.footer-bottom a { color: #8fb0c7; }

/* ---------- 内页通用 ---------- */
.page-head { padding: 34px 0 6px; }
.breadcrumb { font-size: .85rem; color: var(--muted); padding: 16px 0 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: var(--green-deep); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--green-deep); }
.section-title { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin: 26px 0 22px; flex-wrap: wrap; }
.section-title h1 { font-size: 1.9rem; }
.section-title .sub { color: var(--muted); margin-top: 6px; }
.section-title .more { color: var(--green-deep); font-weight: 800; font-size: .9rem; }
.layout-2col { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 30px; align-items: start; padding-bottom: 20px; }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.news-item { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s; }
.news-item:hover { transform: translateY(-5px); }
.news-item .news-thumb img { width: 100%; height: 170px; object-fit: cover; border-radius: 0; }
.news-item .news-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.news-item h3 { font-size: 1.02rem; }
.news-item p { color: var(--muted); font-size: .86rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .news-meta { margin-top: auto; }
.widget { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px 24px; margin-bottom: 22px; }
.widget > h3 { font-size: 1.05rem; padding-bottom: 12px; border-bottom: 2px solid var(--green); margin-bottom: 14px; }
.news-lines li { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.news-lines li:last-child { border-bottom: 0; }
.news-lines .no { flex-shrink: 0; width: 22px; height: 22px; border-radius: 6px; background: var(--bg); color: var(--muted); font-weight: 800; font-size: .78rem; display: flex; align-items: center; justify-content: center; }
.news-lines li:nth-child(-n+3) .no { background: var(--green); color: #fff; }
.news-lines .t a { font-size: .92rem; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { background: rgba(47, 128, 237, .07); color: var(--blue); padding: 4px 14px; border-radius: 999px; font-size: .84rem; }
.tag-cloud a:hover { background: var(--blue); color: #fff; }
.search-form { display: flex; max-width: 560px; margin-bottom: 26px; }
.search-form input[type="text"] { flex: 1; padding: 12px 18px; border: 2px solid var(--line); border-right: 0; border-radius: 10px 0 0 10px; outline: none; font-size: .95rem; }
.search-form input[type="text"]:focus { border-color: var(--green); }
.search-form input[type="submit"] { border: 0; background: var(--navy); color: #fff; font-weight: 800; padding: 0 26px; border-radius: 0 10px 10px 0; cursor: pointer; }
.search-form input[type="submit"]:hover { background: var(--green-deep); }
.pagebar { margin: 30px 0 10px; text-align: center; }
.pagebar a, .pagebar span { display: inline-block; padding: 7px 14px; border-radius: 8px; background: var(--card); box-shadow: var(--shadow); margin: 0 3px; font-weight: 700; font-size: .9rem; }
.pagebar .current, .pagebar a:hover { background: var(--green); color: #fff; }
.no-data { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; padding: 44px 20px; color: var(--muted); }

/* ---------- 文章详情 ---------- */
.article-wrap { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px 46px; }
.article-eyebrow { margin-bottom: 10px; }
.cat-chip-inline { display: inline-block; background: var(--navy); color: #fff; font-size: .78rem; font-weight: 800; padding: 3px 14px; border-radius: 999px; }
.cat-chip-inline:hover { background: var(--green-deep); color: #fff; }
.article-title { font-size: 2rem; margin: 6px 0 12px; }
.article-meta { display: flex; gap: 18px; color: var(--muted); font-size: .86rem; padding-bottom: 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.article-cover { margin: 24px 0; }
.article-cover figcaption { text-align: center; color: var(--muted); font-size: .82rem; margin-top: 8px; }
.article-content { font-size: 1.02rem; color: #2c3a48; }
.article-content h2 { font-size: 1.35rem; margin: 28px 0 12px; padding-left: 12px; border-left: 4px solid var(--green); }
.article-content h3 { font-size: 1.15rem; margin: 22px 0 10px; }
.article-content p { margin: 12px 0; text-align: justify; }
.article-content img { margin: 16px auto; box-shadow: var(--shadow); }
.article-content ul, .article-content ol { padding-left: 22px; margin: 12px 0; list-style: disc; }
.article-content blockquote { border-left: 4px solid var(--amber); background: rgba(255, 181, 77, .08); padding: 14px 18px; margin: 16px 0; border-radius: 0 10px 10px 0; color: var(--muted); }
.article-content table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: .92rem; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
.article-content th { background: var(--navy); color: #fff; }
.article-tags { margin-top: 26px; }
.updown { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.updown a { background: var(--bg); border-radius: 10px; padding: 14px 18px; font-weight: 700; font-size: .92rem; display: block; }
.updown a:hover { background: rgba(18, 183, 106, .1); }
.updown span { display: block; color: var(--green-deep); font-size: .78rem; letter-spacing: 2px; margin-bottom: 4px; }
.updown a:last-child { text-align: right; }
.related-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: .93rem; }
.related-list li:last-child { border-bottom: 0; }
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 18px 0; }
.gallery-grid img { width: 100%; height: 240px; object-fit: cover; }

/* ---------- 404 ---------- */
.error-404 { text-align: center; padding: 90px 20px; }
.error-404 .code { font-size: 6rem; font-weight: 900; color: var(--green); line-height: 1; text-shadow: 0 8px 24px rgba(18, 183, 106, .25); }
.error-404 h2 { margin: 18px 0 10px; }
.error-404 p { color: var(--muted); margin-bottom: 26px; }
.error-404 a { background: var(--navy); color: #fff; padding: 12px 34px; border-radius: 999px; font-weight: 800; display: inline-block; }
.error-404 a:hover { background: var(--green-deep); color: #fff; }

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed; right: 22px; bottom: 26px; width: 44px; height: 44px; border-radius: 12px;
  background: var(--navy); color: #fff; display: none; align-items: center; justify-content: center;
  font-size: 1.2rem; box-shadow: var(--shadow-lg); z-index: 60;
}
.back-to-top.show { display: flex; }
.back-to-top:hover { background: var(--green); color: #fff; }

/* ---------- DIY 页面头部横幅 ---------- */
.diy-banner { background: linear-gradient(140deg, var(--navy), #0c3b2e); color: #fff; padding: 52px 0; text-align: center; }
.diy-banner h1 { color: #fff; font-size: 2.1rem; }
.diy-banner p { color: #a8c6dd; max-width: 620px; margin: 10px auto 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .layout-2col { grid-template-columns: 1fr; }
  .shield-grid { grid-template-columns: 1fr; }
  .app-promo .grid2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 60px 0 76px; }
  .about-card { padding: 30px 24px; }
  .honor-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-row { flex-direction: column; }
  .news-row .thumb { flex-basis: auto; }
  .news-row .thumb img { height: 190px; }
  .why-row { grid-template-columns: 1fr; gap: 22px; }
  .why-row.rev .why-img { order: 0; }
  .app-promo { padding: 34px 22px; }
  .article-wrap { padding: 26px 20px; }
  .updown { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0 22% 0 0; background: var(--navy); z-index: 120;
    transform: translateX(-102%); transition: transform .28s ease; padding: 70px 26px 26px; overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav a { color: #dbe9f4; font-size: 1.05rem; }
  .main-nav li.active a { background: var(--green-deep); }
  .nav-close { display: block; position: absolute; top: 16px; left: 20px; color: #fff; font-size: 1.8rem; }
  .header-cta { display: none; }
  .brand-bar .bar-links { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 15px; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-search { flex-direction: column; border-radius: 18px; }
  .hero-search input[type="text"] { border-radius: 0; }
  .hero-search input[type="submit"] { border-radius: 0; padding: 13px; }
  .gallery-grid { grid-template-columns: 1fr; }
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }