:root{--bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--brand:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--muted:#66708A;--light:#EAF7FF;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--grad:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:#1F2740;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:var(--brand);text-decoration:none}a:hover{opacity:.9}img{max-width:100%;height:auto;display:block}button{font:inherit}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:24px;letter-spacing:.04em}.site-logo img{width:42px;height:42px;object-fit:contain}.nav-core{display:flex;align-items:center;gap:10px}.nav-core a{color:#EEF2FF;border-radius:999px;padding:8px 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rgba(255,200,87,.38);border-radius:18px;padding:16px}.drawer-safe p{margin:6px 0 0;color:#6E5A2C;font-size:14px}.section{padding:84px 24px}.section.tight{padding-top:44px;padding-bottom:44px}.container{max-width:1200px;margin:0 auto}.narrow{max-width:860px;margin:0 auto}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-kicker{display:inline-flex;color:#8A6200;background:#FFF4D6;border-radius:999px;padding:5px 12px;font-size:13px;font-weight:700;margin-bottom:10px}.section-title,h1,h2,h3{color:var(--title);line-height:1.25}.section-title{font-size:clamp(30px,4vw,48px);margin:0}.section-subtitle{max-width:720px;color:var(--muted);margin:12px 0 0}.hero{position:relative;padding:84px 24px 72px;overflow:hidden;background:radial-gradient(circle at 10% 10%,rgba(122,92,255,.18),transparent 34%),radial-gradient(circle at 88% 22%,rgba(0,212,255,.18),transparent 30%),linear-gradient(150deg,#F6F4FF 0%,#EFF8FF 52%,#FFF7FC 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var(--line);box-shadow:var(--shadow);border-radius:18px;padding:14px 16px;max-width:220px}.float-note.one{left:-30px;bottom:30px}.float-note.two{right:-18px;top:30px}.float-note strong{display:block;color:var(--title)}.float-note span{font-size:13px;color:var(--muted)}.highlight-strip{max-width:1200px;margin:-28px auto 0;position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.highlight-item{padding:24px}.highlight-item+ .highlight-item{border-left:1px solid var(--line)}.highlight-item h3{margin:0 0 7px;font-size:18px}.highlight-item p{margin:0;color:var(--muted);font-size:14px}.pill-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.pill-card{background:#fff;border:1px solid var(--line);border-radius:999px;padding:14px 18px}.pill-card strong{display:block;color:var(--title)}.pill-card 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p{color:#4E5C78}.article-card ul{padding-left:20px;color:#4E5C78}.article-side{display:grid;gap:18px;align-content:start}.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 14px 34px rgba(25,43,91,.08)}.side-card h2,.side-card h3{margin-top:0}.side-card p{color:var(--muted);font-size:14px}.side-card img{max-height:220px;width:100%;object-fit:contain}.mini-links{display:grid;gap:10px}.mini-links a{background:#F5F7FF;border-radius:12px;padding:10px 12px}.quote{border-left:4px solid var(--brand);padding:12px 0 12px 18px;color:#4E5C78}.site-footer{background:#0B1024;color:#EEF2FF;padding:56px 24px 24px}.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}.footer-grid h2{color:#fff;font-size:17px}.footer-grid a{display:block;color:#C9D1E8;margin:8px 0}.footer-brand p{color:#AEB8D3;max-width:430px}.footer-logo{margin-bottom:14px}.footer-bottom{max-width:1200px;margin:34px auto 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@media (max-width:640px){body{padding-bottom:68px}.section{padding:58px 16px}.header-inner{min-height:64px;gap:10px}.header-actions{margin-left:auto}.main-btn.compact{padding:8px 13px;font-size:13px}.site-logo img{width:36px;height:36px}.hero{padding:48px 16px}.hero-copy h1{font-size:60px}.hero-copy h2{font-size:30px}.float-note{position:static;margin-top:10px;max-width:none}.hero-points{display:grid;grid-template-columns:1fr}.highlight-strip{grid-template-columns:1fr;border-radius:20px}.highlight-item+ .highlight-item{border-left:0;border-top:1px solid var(--line)}.pill-grid,.two-col,.three-col,.four-col,.safety-grid,.review-grid{grid-template-columns:1fr}.section-head{display:block}.safety-card{grid-template-columns:1fr;text-align:center}.safety-card img{margin:auto}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div{margin-top:12px;flex-wrap:wrap}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:9998;height:64px;padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;color:#505C78;font-size:12px}.mobile-bottom-nav span{font-size:19px;line-height:1}.drawer-nav{grid-template-columns:1fr}.article-side{grid-template-columns:1fr}.inner-hero{padding:52px 16px}.article-section{padding:46px 16px}.article-card{padding:22px}.site-drawer{width:90vw}}