:root{--line-green:#06c755;--ink:#1e1e1e;--muted:#666;--soft:#f6f7f8;--border:#e5e7eb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.doc-page{margin:0;color:var(--ink);background:#fff;font-family:SFPro,Arial,"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.85}
.doc-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:74px;padding:0 5vw;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(12px);animation:none!important}
.doc-logo{font-size:25px;font-weight:800;letter-spacing:-1px;color:var(--ink);text-decoration:none}
.doc-nav{display:flex;align-items:center;gap:28px}
.doc-nav a{color:#444;font-size:15px;font-weight:700;text-decoration:none;white-space:nowrap}
.doc-nav a:hover,.doc-nav a.active{color:var(--line-green)}
.doc-header .doc-lang-switcher{position:relative;display:flex;align-items:center;flex:0 0 auto;height:auto!important}
.doc-lang-current{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:88px;min-height:40px;padding:8px 12px;box-sizing:border-box;color:#222;background:#fff;border:1px solid var(--border);border-radius:999px;font:700 14px/20px SFPro,Arial,sans-serif;appearance:none;cursor:pointer}
.doc-lang-current img{display:block;flex:0 0 20px;width:20px;height:20px}
.doc-lang-current span{display:block;line-height:20px}
.doc-lang-current:after{content:"";display:block;flex:0 0 auto;width:0;height:0;margin-left:2px;border-top:4px solid #333;border-right:4px solid transparent;border-left:4px solid transparent}
.doc-lang-menu{display:none;position:absolute;top:48px;right:0;z-index:50;min-width:74px;margin:0;padding:13px 18px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 28px rgba(0,0,0,.1);list-style:none;text-align:center}
.doc-lang-switcher.open .doc-lang-menu{display:block}
.doc-lang-menu li{margin:0;padding:0}
.doc-lang-menu a{display:block;padding:6px 0;color:#888;font-size:14px;font-weight:700;text-decoration:none}
.doc-lang-menu .current a,.doc-lang-menu a:hover{color:var(--line-green)}
.doc-hero{padding:92px 5vw 78px;background:linear-gradient(135deg,#f0fff6 0%,#fff 55%,#f4f7ff 100%);border-bottom:1px solid var(--border)}
.doc-hero-inner{max-width:1120px;margin:0 auto}
.doc-kicker{display:inline-flex;align-items:center;padding:7px 13px;color:#087b39;background:#dff8e9;border-radius:999px;font-size:14px;font-weight:700}
.doc-hero h1{max-width:900px;margin:20px 0 16px;font-size:clamp(36px,6vw,64px);line-height:1.12;letter-spacing:-2px}
.doc-hero p{max-width:820px;margin:0;color:#555;font-size:18px}
.doc-meta{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:24px;color:#777;font-size:14px}
.doc-shell{display:grid;grid-template-columns:250px minmax(0,780px);gap:64px;max-width:1120px;margin:0 auto;padding:64px 5vw 96px;align-items:start}
.doc-toc{position:sticky;top:104px;padding:22px;background:var(--soft);border:1px solid var(--border);border-radius:18px}
.doc-toc strong{display:block;margin-bottom:12px;font-size:16px}
.doc-toc a{display:block;padding:7px 0;color:#666;font-size:14px;text-decoration:none}
.doc-toc a:hover{color:var(--line-green)}
.doc-article{min-width:0}
.doc-intro{margin:0 0 36px;padding:22px 24px;background:#f2fbf6;border-left:4px solid var(--line-green);border-radius:0 14px 14px 0;color:#38453e}
.doc-section{padding:0 0 38px;margin:0 0 38px;border-bottom:1px solid var(--border);scroll-margin-top:108px}
.doc-section h2{margin:0 0 16px;font-size:28px;line-height:1.35;letter-spacing:-.5px}
.doc-section h3{margin:26px 0 10px;font-size:20px}
.doc-section p{margin:0 0 15px;color:#444;font-size:16px}
.doc-section ul,.doc-section ol{margin:14px 0 18px;padding-left:24px;color:#444}
.doc-section li{margin:8px 0}
.faq-group{margin-bottom:46px;scroll-margin-top:108px}
.faq-group h2{margin-bottom:18px;font-size:28px}
.faq-item{margin:0 0 12px;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff}
.faq-item summary{padding:18px 54px 18px 20px;font-weight:750;cursor:pointer;position:relative;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:20px;top:15px;color:var(--line-green);font-size:24px}
.faq-item[open] summary:after{content:"−"}
.faq-answer{padding:0 20px 20px;color:#4b4b4b}
.faq-answer p{margin:0 0 12px}
.doc-note{padding:20px 22px;background:#fff9e8;border:1px solid #f2dfaa;border-radius:14px;color:#65552a}
.doc-crosslinks{padding:76px 5vw;background:#f7f8f9}
.doc-crosslinks-inner{max-width:1120px;margin:0 auto}
.doc-crosslinks h2{margin:0 0 26px;font-size:32px}
.doc-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.doc-card{display:block;padding:26px;background:#fff;border:1px solid var(--border);border-radius:18px;color:var(--ink);text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s}
.doc-card:hover{transform:translateY(-3px);border-color:#95ddb4;box-shadow:0 12px 30px rgba(0,0,0,.06)}
.doc-card strong{display:block;margin-bottom:8px;font-size:20px}
.doc-card span{color:#666;font-size:14px;line-height:1.65}
.doc-footer{padding:30px 5vw;background:#fff;color:#666;text-align:center;font-size:13px;border-top:1px solid var(--border)}
.doc-footer a{color:#333;text-decoration:none}
.site-policy-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 28px;margin:0;padding:26px 20px;list-style:none}
.site-policy-links a{color:inherit;font-size:14px;font-weight:700;text-decoration:none}
.site-policy-links a:hover{color:var(--line-green)}
footer:not(.doc-footer)>.site-policy-links{border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}
.doc-footer .site-policy-links{padding:0 0 18px;color:#333}
.doc-copyright{margin:0;color:#777;font-size:13px}
.legal-entry-section{padding:92px 5vw;background:#f7f8f9}
.legal-entry-inner{max-width:1120px;margin:0 auto}
.legal-entry-section h2{margin:0 0 12px;font-size:42px;text-align:center}
.legal-entry-desc{max-width:720px;margin:0 auto 34px;color:#666;text-align:center;font-size:16px;line-height:1.8}
footer .footerLinks{display:none!important}
@media(max-width:878px){.doc-header{padding:0 16px;min-height:64px;gap:12px}.doc-logo{font-size:20px}.doc-nav{gap:14px;overflow:auto;flex:1}.doc-nav a{font-size:12px}.doc-lang-current{padding:8px 9px}.doc-lang-current img{display:none}.doc-hero{padding:64px 22px 52px}.doc-shell{display:block;padding:38px 22px 72px}.doc-toc{position:static;margin-bottom:38px}.doc-card-grid{grid-template-columns:1fr}.doc-hero h1{font-size:40px}.doc-section h2,.faq-group h2{font-size:24px}.legal-entry-section{padding:64px 22px}.legal-entry-section h2{font-size:32px}}