:root{
  --bg:#fffaf6;--paper:#ffffff;--ink:#2b2130;--muted:#756976;--line:#eadfe8;
  --accent:#ef6a3a;--accent2:#7b5cd6;--soft:#fff0e8;--soft2:#f4f0ff;--deep:#241b29;
  --shadow:0 16px 40px rgba(43,33,48,.08);--radius:18px;--max:1080px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,250,246,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar-inner{height:72px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--soft)}
.logo-img,.footer-logo{max-width:100%;max-height:32px;object-fit:contain}.brand strong{display:block;font-size:18px}.brand small{display:block;font-size:11px;color:var(--muted)}
.desktop-nav{display:flex;gap:6px;margin-left:auto}.desktop-nav a{padding:9px 12px;border-radius:10px;font-size:14px;color:var(--muted)}.desktop-nav a:hover,.desktop-nav a.active{background:var(--soft);color:var(--ink)}
.menu-btn{border:0;background:linear-gradient(135deg,var(--accent),#ff9b62);color:#2b2130;padding:10px 14px;border-radius:12px;cursor:pointer;box-shadow:0 8px 18px rgba(239,106,58,.18)}
.topic-strip{background:var(--deep);color:#fdf6ff}.topic-strip-inner{min-height:38px;display:flex;align-items:center;gap:18px;overflow:auto;white-space:nowrap;font-size:13px}.topic-strip span{color:#ffc4a8}.topic-strip a{opacity:.86}
.site-main{padding-bottom:70px}.hero{padding:72px 0 38px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:38px;align-items:end}.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--accent2);font-weight:700;letter-spacing:.04em}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.08;margin:16px 0 18px;max-width:780px}.hero p{font-size:17px;color:var(--muted);max-width:760px}.hero-note{border-left:3px solid var(--accent);padding:18px 0 18px 22px;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#ff9b62);font-weight:700}.btn.secondary{background:var(--paper);border:1px solid var(--line)}
.section{padding:28px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.section-head h2{margin:0;font-size:27px}.section-head p{margin:0;color:var(--muted);max-width:590px}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.feature-card,.card,.article-box,.mini-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.feature-card{padding:26px;min-height:250px}.feature-card.accent{background:linear-gradient(145deg,#fff3eb,#fff 70%)}.feature-card h3{font-size:24px;margin:8px 0 12px}.feature-card p{color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:20px}.card h3{margin:8px 0}.card p{font-size:14px;color:var(--muted)}.tag{display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--soft2);color:var(--accent2);font-size:12px;font-weight:700}
.story-list{display:grid;gap:12px}.story{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.story:last-child{border-bottom:0}.story strong{font-size:17px}.story p{margin:3px 0 0;color:var(--muted);font-size:14px}.story .index{font-size:30px;font-weight:800;color:#d8cad8}
.page-hero{padding:46px 0 26px}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:12px}.page-hero h1{font-size:40px;line-height:1.16;margin:0 0 12px}.page-hero p{max-width:760px;color:var(--muted);font-size:16px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}.article-box{padding:28px}.article-box h2{font-size:24px;margin-top:34px}.article-box h2:first-child{margin-top:0}.article-box h3{margin-top:26px}.article-box p{color:#514653}.article-box ul{padding-left:20px}.article-box li{margin:8px 0}
.aside-stack{display:grid;gap:14px;position:sticky;top:124px}.mini-card{padding:18px}.mini-card h3{margin:0 0 8px}.mini-card p{font-size:13px;color:var(--muted);margin:0}.mini-card a{display:block;margin-top:10px;color:var(--accent2);font-weight:700}
.media-slot{background:linear-gradient(135deg,var(--soft),var(--soft2));border:1px solid var(--line);border-radius:16px;min-height:180px;display:grid;place-items:center;overflow:hidden;margin:18px 0}.media-slot img{display:block;width:100%;height:180px;object-fit:contain;object-position:center}.media-slot.tall img{height:320px}.media-slot.banner img{height:220px}
.callout{margin:22px 0;padding:18px 20px;border-radius:14px;background:var(--soft2);border-left:4px solid var(--accent2)}
.faq-list{display:grid;gap:14px}.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:20px}.faq-item h2{font-size:18px;margin:0 0 8px}.faq-item p{margin:0;color:var(--muted)}
.footer{background:var(--deep);color:#f8eef9;padding:48px 0 80px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,.7fr);gap:32px}.footer h3{font-size:14px;color:#ffc4a8}.footer a{display:block;font-size:13px;opacity:.84;margin:7px 0}.footer-brand p{color:#d5c8d5;max-width:480px;font-size:13px}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#cdbfcd}
.overlay{position:fixed;inset:0;background:rgba(25,18,28,.38);z-index:70}.drawer{position:fixed;top:0;right:0;width:min(440px,92vw);height:100vh;background:var(--paper);z-index:80;transform:translateX(100%);transition:.22s ease;box-shadow:-18px 0 50px rgba(0,0,0,.12);overflow:auto}.drawer.open{transform:translateX(0)}.drawer-head{position:sticky;top:0;background:var(--paper);display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--line)}.drawer-head button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px}.drawer-body{padding:18px}.drawer-body section+section{margin-top:24px}.drawer-body h3{font-size:13px;color:var(--muted)}.drawer-body a{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}.drawer-body small{color:var(--muted);text-align:right}.lock{overflow:hidden}
.mobile-nav{display:none}
@media (max-width:860px){.desktop-nav{display:none}.hero{padding-top:44px}.hero-grid,.feature-grid,.article-layout{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr 1fr}.aside-stack{position:static}.footer-grid{grid-template-columns:1fr 1fr}.story{grid-template-columns:60px 1fr}.story>a{grid-column:2}.mobile-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-nav a{height:54px;display:grid;place-items:center;font-size:12px}.mobile-nav a.active{color:var(--accent);font-weight:700;border-top:2px solid var(--accent)}.footer{padding-bottom:110px}}
@media (max-width:560px){.shell{width:min(var(--max),calc(100% - 28px))}.topbar-inner{height:64px;gap:12px}.brand small{display:none}.brand strong{font-size:16px}.menu-btn{padding:9px 11px}.topic-strip{display:none}.hero h1{font-size:38px}.hero-grid{gap:12px}.hero-note{margin-top:8px}.card-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:8px}.page-hero h1{font-size:32px}.article-box{padding:21px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}