:root { --ink:#18212b; --muted:#74808c; --paper:#f7f8fa; --card:#ffffff; --line:#e7ebef; --accent:#f05b45; --accent2:#ff9b54; --deep:#222c3b; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:Arial,"Microsoft YaHei",sans-serif; line-height:1.7; }
a { color:inherit; text-decoration:none; }
img { display:block; width:100%; height:auto; object-fit:cover; }
.site-header { background:#fff; border-bottom:1px solid var(--line); position:sticky; top:0; z-index:10; }
.header-inner { max-width:1180px; min-height:76px; margin:auto; display:flex; align-items:center; gap:28px; padding:0 22px; }
.logo { display:flex; align-items:center; gap:11px; min-width:220px; }
.logo-mark { width:40px; height:40px; border-radius:13px; display:grid; place-items:center; color:#fff; font-size:22px; font-weight:800; background:linear-gradient(135deg,var(--accent),var(--accent2)); box-shadow:0 8px 18px #f05b4533; }
.logo-text { font-size:20px; font-weight:800; letter-spacing:-.5px; }
.logo-text small { display:block; color:var(--muted); font-size:10px; font-weight:500; letter-spacing:1.4px; }
.main-nav { display:flex; flex-wrap:wrap; gap:6px; align-items:center; }
.main-nav a { padding:9px 12px; border-radius:9px; color:#586572; font-size:14px; white-space:nowrap; }
.main-nav a:hover,.main-nav a.active { color:var(--accent); background:#fff1ed; }
.header-search { margin-left:auto; color:var(--muted); font-size:20px; }
.container { max-width:1180px; margin:0 auto; padding:0 22px; }
.hero { margin-top:28px; display:grid; grid-template-columns:1.2fr .8fr; gap:18px; }
.hero-panel { min-height:300px; padding:38px; border-radius:22px; color:#fff; overflow:hidden; background:linear-gradient(120deg,#202c3e,#405065 58%,#ee765c); position:relative; }
.hero-panel:after { content:'瓜'; position:absolute; right:30px; bottom:-34px; color:#ffffff20; font-size:190px; font-weight:900; }
.hero-panel h1 { max-width:560px; margin:0 0 18px; font-size:34px; line-height:1.25; position:relative; z-index:1; }
.hero-panel h1 a { color:#fff; }
.hero-panel p { max-width:580px; color:#ecf1f4; position:relative; z-index:1; }
.hero-tags { display:flex; gap:8px; flex-wrap:wrap; position:relative; z-index:1; }
.hero-tags span { padding:5px 10px; border:1px solid #ffffff40; border-radius:99px; font-size:12px; }
.hero-side { min-height:300px; border-radius:22px; padding:26px; background:#fff; border:1px solid var(--line); }
.hero-side h3 { margin:0 0 16px; font-size:18px; }
.hero-side li { list-style:none; padding:11px 0; border-bottom:1px solid var(--line); font-size:14px; }
.hero-side ul { padding:0; margin:0; }
.section-head { display:flex; justify-content:space-between; align-items:end; margin:34px 0 16px; }
.section-head h2 { margin:0; font-size:24px; }
.section-head p { margin:0; color:var(--muted); font-size:13px; }
.grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.card { min-width:0; background:var(--card); border:1px solid var(--line); border-radius:16px; overflow:hidden; transition:transform .2s,box-shadow .2s; }
.card:hover { transform:translateY(-3px); box-shadow:0 12px 28px #25344912; }
.card-image { aspect-ratio:16/10; background:#ddd; }
.card-body { padding:16px; }
.card h3 { margin:0 0 8px; font-size:16px; line-height:1.45; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.card p { margin:0 0 10px; color:var(--muted); font-size:13px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.meta { color:#9aa4ad; font-size:12px; display:flex; justify-content:space-between; gap:8px; }
.topic-strip { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:30px; }
.topic { padding:18px; border-radius:14px; background:#fff7f3; border:1px solid #ffe1d7; }
.topic strong { display:block; color:var(--accent); font-size:24px; }
.topic span { color:#7f625b; font-size:13px; }
.about { margin:34px 0 18px; padding:28px; border-radius:18px; background:#fff; border:1px solid var(--line); }
.about h2 { margin:0 0 8px; }
.about p { color:#66727e; max-width:900px; margin:0; }
.subscribe { margin:28px 0 0; padding:25px; display:flex; align-items:center; justify-content:space-between; gap:20px; border-radius:18px; color:#fff; background:linear-gradient(110deg,#2d394a,#f06a50); }
.subscribe h2 { margin:0 0 5px; font-size:20px; }
.subscribe p { margin:0; color:#f6e8e5; font-size:13px; }
.brand-code { width:78px; height:78px; flex:none; border-radius:12px; display:grid; place-items:center; color:#222c3b; background:repeating-linear-gradient(45deg,#fff 0 4px,#f7b49f 4px 7px); font-size:22px; font-weight:900; }
.btn { display:inline-block; padding:10px 17px; border-radius:10px; color:#fff; background:var(--accent); font-size:13px; border:0; cursor:pointer; }
.subscribe .btn { background:#fff; color:var(--accent); white-space:nowrap; }
.site-footer { margin-top:34px; padding:26px 0; color:#89939d; background:#202a38; font-size:12px; }
.footer-inner { display:flex; justify-content:space-between; gap:20px; }
.crumb { padding:22px 0 0; color:#8b959d; font-size:13px; }
.crumb a { color:var(--accent); }
.page-intro { padding:22px 0 4px; }
.page-intro h1 { margin:0 0 8px; font-size:30px; }
.page-intro p { color:var(--muted); max-width:760px; margin:0; }
.article-layout { max-width:860px; margin:24px auto 0; }
.article { padding:30px; background:#fff; border:1px solid var(--line); border-radius:18px; }
.article h1 { margin:0 0 12px; font-size:30px; line-height:1.35; }
.article-lead { color:#697681; margin:0 0 20px; padding-bottom:18px; border-bottom:1px solid var(--line); }
.article-meta { color:#9aa4ad; font-size:13px; margin-bottom:18px; }
.article p { color:#4f5b65; }
.article h2 { margin-top:28px; font-size:21px; }
.article-figure { margin:20px 0; }
.article-figure img { aspect-ratio:16/9; border-radius:12px; }
.article-figure figcaption { color:#9099a1; font-size:12px; padding-top:7px; }
.chapter-end { margin-top:26px; padding:16px; text-align:center; border-radius:10px; color:#7c5f56; background:#fff4ef; }
.article-actions { display:flex; justify-content:space-between; gap:12px; margin-top:18px; }
.article-actions a { padding:10px 14px; color:var(--accent); background:#fff1ed; border-radius:9px; font-size:13px; }
@media (max-width:900px) { .header-inner { gap:12px; min-height:70px; } .logo { min-width:190px; } .main-nav { overflow:auto; flex-wrap:nowrap; } .grid { grid-template-columns:repeat(2,1fr); } .topic-strip { grid-template-columns:repeat(2,1fr); } .hero { grid-template-columns:1fr; } }
@media (max-width:600px) { .header-inner { padding:0 14px; display:block; } .logo { padding:12px 0 7px; } .header-search { display:none; } .main-nav { padding-bottom:10px; } .main-nav a { padding:6px 9px; font-size:12px; } .container { padding:0 14px; } .hero { margin-top:18px; } .hero-panel { min-height:270px; padding:25px; } .hero-panel h2 { font-size:27px; } .hero-side { min-height:auto; } .grid { grid-template-columns:1fr; } .topic-strip { grid-template-columns:1fr 1fr; } .section-head { display:block; } .section-head p { margin-top:4px; } .subscribe { align-items:flex-start; flex-wrap:wrap; } .article { padding:20px; } .article h1 { font-size:24px; } .article-actions { flex-direction:column; } .footer-inner { display:block; } }