:root{
  --red:#E8473B;
  --gold:#F2B533;
  --indigo:#3B4ADE;
  --green:#1F8A70;
  --ink:#1A1A1A;
  --paper:#FBF7EF;
  --paper-2:#FFFDF8;
  --gray:#6B6B6B;
  --line:#ECE6DA;
  --grad:linear-gradient(135deg,#E8473B 0%,#F2B533 50%,#3B4ADE 100%);
  --grad-soft:linear-gradient(135deg,rgba(232,71,59,.12),rgba(59,74,222,.12));
  --shadow:0 10px 30px rgba(26,26,26,.08);
  --shadow-lg:0 18px 50px rgba(26,26,26,.14);
  --radius:14px;
  --maxw:1200px;
  --serif:"LXGW WenKai TC","Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,247,239,.82);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand .mark{
  width:38px;height:38px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-family:var(--serif);font-size:22px;
  box-shadow:var(--shadow);
}
.brand .name{font-family:var(--serif);font-size:22px;letter-spacing:1px}
.brand .name b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:6px;margin-left:8px}
.nav a{
  padding:8px 14px;border-radius:10px;font-size:15px;color:var(--gray);transition:.2s;
}
.nav a:hover,.nav a.active{color:var(--ink);background:var(--grad-soft)}
.search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;width:280px;box-shadow:var(--shadow);
}
.search input{border:none;outline:none;flex:1;font-size:14px;background:transparent;font-family:var(--sans)}
.search svg{flex:none}
.search-btn{background:var(--grad);color:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}

/* ---------- Mobile menu (汉堡) ---------- */
.menu-btn{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:20px;line-height:1;align-items:center;justify-content:center;flex:none;
}
.header-menu{display:flex;align-items:center;gap:24px;margin-left:auto}
.header-menu .search{margin-left:0}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--grad);color:#fff;
  padding:72px 0 84px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 420px at 12% 0%,rgba(255,255,255,.28),transparent 60%),
    radial-gradient(420px 420px at 90% 30%,rgba(255,255,255,.18),transparent 60%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;text-align:center}
.hero .pill{
  display:inline-block;font-size:13px;letter-spacing:2px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);
  padding:6px 16px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-family:var(--serif);font-size:54px;line-height:1.2;letter-spacing:2px;text-shadow:0 4px 18px rgba(0,0,0,.18)}
.hero p{margin:16px auto 26px;max-width:620px;font-size:18px;opacity:.95}
.hero-search{
  display:flex;gap:10px;max-width:560px;margin:0 auto;
  background:#fff;border-radius:999px;padding:8px 8px 8px 22px;box-shadow:var(--shadow-lg);
}
.hero-search input{flex:1;border:none;outline:none;font-size:16px;background:transparent;color:var(--ink);font-family:var(--sans)}
.hero-search button{background:var(--grad);color:#fff;border-radius:999px;padding:12px 28px;font-size:15px;font-weight:700;white-space:nowrap}
.hero-stats{display:flex;justify-content:center;gap:40px;margin-top:30px;font-size:14px;opacity:.95}
.hero-stats b{display:block;font-size:26px;font-family:var(--serif)}

/* ---------- Section ---------- */
.section{padding:54px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.section-head h2{font-family:var(--serif);font-size:30px;letter-spacing:1px}
.section-head .sub{color:var(--gray);font-size:14px}

/* ---------- Category chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--gray);transition:.2s;
}
.chip:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;font-weight:600}

/* ---------- Grid & Card ---------- */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .thumb{position:relative;aspect-ratio:16/10;display:grid;place-items:center;color:#fff}
.card .thumb .slide{
  width:62%;aspect-ratio:4/3;border-radius:8px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.4);padding:14px;display:flex;flex-direction:column;gap:8px;
}
.card .thumb .slide i{display:block;height:7px;border-radius:4px;background:rgba(255,255,255,.55)}
.card .thumb .slide i.s{width:55%}
.card .thumb .slide b{margin-top:auto;font-family:var(--serif);font-size:15px;color:#fff}
.card .thumb .thumb-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.card .thumb .badges{z-index:2}
.card .badges{position:absolute;top:10px;left:10px;display:flex;gap:6px}
.badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:7px;background:#fff;color:var(--red)}
.badge.hot{background:var(--gold);color:#3a2a00}
.card .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card .body h3{font-size:16px;font-weight:600;line-height:1.4}
.card .meta{font-size:12px;color:var(--gray)}
.card .row{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.btn{
  display:inline-flex;align-items:center;gap:6px;justify-content:center;
  padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600;transition:.2s;
}
.btn-primary{background:var(--grad);color:#fff}
.btn-primary:hover{filter:brightness(1.05);box-shadow:var(--shadow)}
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn-ghost:hover{background:var(--grad-soft)}

/* ---------- Detail ---------- */
.detail{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:start}
.preview{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/10;display:grid;place-items:center;color:#fff;position:relative}
.preview .preview-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.preview .slide{width:64%;aspect-ratio:4/3;border-radius:10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);padding:22px;display:flex;flex-direction:column;gap:12px}
.preview .slide i{height:9px;border-radius:5px;background:rgba(255,255,255,.55)}
.preview .slide i.s{width:55%}
.preview .slide b{margin-top:auto;font-family:var(--serif);font-size:22px}
.detail-info h1{font-family:var(--serif);font-size:30px;margin-bottom:12px}
.detail-meta{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 20px}
.tag{font-size:12px;padding:5px 12px;border-radius:8px;background:var(--grad-soft);color:var(--ink)}
.cta-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.cta-box h3{font-size:17px;margin-bottom:6px}
.cta-box p{font-size:13px;color:var(--gray);margin-bottom:14px}
.flow{display:flex;align-items:center;gap:8px;margin:16px 0;font-size:13px;color:var(--gray);flex-wrap:wrap}
.flow .step{background:var(--grad-soft);border-radius:8px;padding:6px 10px}
.flow .arrow{color:var(--red);font-weight:700}

/* WeChat QR placeholder */
.wx{display:flex;gap:16px;align-items:center;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.wx .qr{width:96px;height:96px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;flex:none;overflow:hidden}
.wx .qr img{width:100%;height:100%;object-fit:cover}
.wx .txt b{display:block;font-size:15px;margin-bottom:2px}
.wx .txt span{font-size:12px;color:var(--gray)}

/* ---------- 抖音关注 ---------- */
.dy{display:flex;gap:16px;align-items:center;margin-top:18px;padding:14px;border-radius:14px;background:#161823;border-top:none}
.dy .qr{width:96px;height:96px;border-radius:12px;background:#fff;display:grid;place-items:center;flex:none;overflow:hidden}
.dy .qr img{width:100%;height:100%;object-fit:cover}
.dy .txt b{display:block;font-size:15px;margin-bottom:2px;color:#fff}
.dy .txt span{font-size:12px;color:#b7bac7;display:block}
.dy .txt .dy-id{color:#25F4EE;font-weight:600;margin-top:2px}
.dy .txt .dy-tip{color:#8a8d99;font-size:11px;margin-top:2px}

.dy-banner{background:#161823;margin-top:8px}
.dy-banner-inner{display:flex;gap:28px;align-items:center;padding:34px 0}
.dy-banner .qr{width:150px;height:150px;border-radius:20px;background:#fff;display:grid;place-items:center;flex:none;overflow:hidden;box-shadow:0 8px 30px rgba(37,244,238,.18)}
.dy-banner .qr img{width:100%;height:100%;object-fit:cover}
.dy-banner .txt h2{font-family:var(--serif);font-size:30px;color:#fff;margin:10px 0 8px}
.dy-banner .txt p{color:#b7bac7;font-size:15px;margin:0 0 8px;max-width:520px}
.dy-banner .dy-id{color:#25F4EE;font-weight:600;font-size:14px}
.dy-banner .pill{background:linear-gradient(135deg,#FE2C55,#25F4EE);color:#fff;border:none}
@media (max-width:760px){
  .dy-banner-inner{flex-direction:row;gap:18px;padding:26px 0}
  .dy-banner .qr{width:104px;height:104px;border-radius:14px}
  .dy-banner .txt h2{font-size:20px}
  .dy-banner .txt p{font-size:13px}
}

/* ---------- About ---------- */
.about{max-width:820px;margin:0 auto}
.about h1{font-family:var(--serif);font-size:34px;margin-bottom:16px}
.about h2{font-family:var(--serif);font-size:22px;margin:28px 0 10px}
.about p,.about li{color:#333;font-size:15px;margin-bottom:10px}
.about ul{padding-left:22px}
.note{background:var(--grad-soft);border-left:4px solid var(--red);border-radius:10px;padding:14px 18px;font-size:14px;color:#333;margin:16px 0}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#cfc9bd;padding:42px 0 30px;margin-top:40px}
.footer a{color:#cfc9bd}
.footer .cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}
.footer h4{color:#fff;font-size:15px;margin-bottom:12px;font-family:var(--serif)}
.footer .disclaim{font-size:12px;line-height:1.8;opacity:.8;margin-top:26px;border-top:1px solid #333;padding-top:18px}
.footer .brand-f{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--serif);font-size:20px}
.footer .visit{font-size:13px;opacity:.85;margin-top:18px}
.footer .visit b{color:#fff;font-family:var(--serif);font-style:normal}

/* ---------- Empty ---------- */
.empty{text-align:center;padding:60px 0;color:var(--gray)}

/* ---------- Toast (download jump) ---------- */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:14px 22px;border-radius:12px;font-size:14px;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.3s;z-index:99;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:760px){
  .header-inner{position:relative}
  .menu-btn{display:inline-flex}
  .header-menu{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:14px;
    background:var(--paper-2);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);padding:16px 20px;margin-left:0;
  }
  .header.open .header-menu{display:flex}
  .header-menu .nav{display:flex;flex-direction:column;gap:4px;margin-left:0}
  .header-menu .nav a{padding:13px 14px;font-size:16px;border-radius:10px;background:rgba(26,26,26,.03)}
  .header-menu .search{width:100%;margin-left:0}
  .header-menu .search input{flex:1}

  .hero{padding:56px 0 60px}
  .hero h1{font-size:40px}
  .hero p{font-size:16px;padding:0 6px}
  .hero-search{flex-direction:row;width:100%;max-width:100%}
  .hero-stats{flex-wrap:wrap;gap:16px 28px}

  .section{padding:42px 0}
  .section-head h2{font-size:26px}
  .grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none}
  .card .body{padding:12px 13px 14px}
  .card .body h3{font-size:15px}

  .detail{grid-template-columns:1fr}
  .detail-info h1{font-size:24px}
  .cta-box{padding:18px}

  .about h1{font-size:28px}
  .footer .cols{gap:28px}
  .footer .visit{font-size:12px}

  .btn{min-height:44px}
  .search-btn{padding:10px 18px}
}
@media (max-width:400px){
  .grid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .wrap{padding:0 16px}
}

/* ---------- 移动端基线 + 超小屏收紧 ---------- */
html{-webkit-text-size-adjust:100%}
body{-webkit-tap-highlight-color:transparent}
@media (max-width:480px){
  .wrap{padding:0 14px}
  .hero{padding:46px 0 50px}
  .hero h1{font-size:28px}
  .hero p{font-size:15px}
  .hero-search{margin:0 2px}
  .hero-search button{padding:11px 16px;font-size:14px}
  .section{padding:36px 0}
  .section-head h2{font-size:22px}
  .grid{gap:14px}
  .card .body{padding:12px 12px 14px}
  .card .body h3{font-size:14px}
  .chip{padding:10px 15px}
  .detail-info h1{font-size:21px}
  .cta-box{padding:16px}
  .dy-banner-inner{flex-direction:column;align-items:center;text-align:center;gap:14px}
  .dy-banner .qr{width:100px;height:100px}
  .dy-banner .txt h2{font-size:19px}
  .about h1{font-size:25px}
  .footer .cols{gap:22px}
}