:root{--geo-dark:#111210;--geo-ink:#242622;--geo-muted:#6d706a;--geo-line:#deddd7;--geo-canvas:#f1f0eb;--geo-paper:#ffffff;--geo-accent:#b29364;--geo-accent-soft:#eee6d8;--geo-page:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--geo-canvas);color:var(--geo-ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-underline-offset:4px}.geo-site-header{border-bottom:1px solid rgba(255,255,255,.12);background:var(--geo-dark);color:#fff}.geo-site-header__inner{display:flex;width:min(var(--geo-page),calc(100% - 40px));min-height:72px;margin:auto;align-items:center}.geo-brand{display:flex;align-items:center;gap:14px;color:#fff;font-size:14px;font-weight:700;letter-spacing:.08em;text-decoration:none}.geo-brand img{width:48px;height:44px;object-fit:contain}.geo-brand__rule{width:28px;height:2px;background:var(--geo-accent)}.geo-page-shell{width:min(var(--geo-page),calc(100% - 40px));margin:auto;padding:24px 0 72px}.geo-breadcrumbs{margin-bottom:20px;color:var(--geo-muted);font-size:13px}.geo-breadcrumbs ol{display:flex;margin:0;padding:0;gap:8px;list-style:none;flex-wrap:wrap}.geo-breadcrumbs li+li:before{margin-right:8px;content:"/"}.geo-document{overflow:hidden;border:1px solid var(--geo-line);border-radius:24px;background:var(--geo-paper);box-shadow:0 22px 64px rgba(20,20,20,.08)}.geo-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.85fr);min-height:470px;background:var(--geo-dark);color:#fff}.geo-hero__copy{display:flex;padding:clamp(42px,6vw,72px);flex-direction:column;justify-content:center}.geo-eyebrow{margin:0 0 18px;color:color-mix(in srgb,var(--geo-accent) 70%,white);font-size:12px;font-weight:700;letter-spacing:.14em}.geo-hero h1{margin:0;font-size:clamp(34px,4.2vw,54px);font-weight:600;letter-spacing:-.035em;line-height:1.25}.geo-hero__summary{max-width:700px;margin:22px 0 0;color:rgba(255,255,255,.7);font-size:17px}.geo-meta{display:flex;margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);gap:20px;color:rgba(255,255,255,.55);font-size:13px}.geo-direct-answer{margin-top:28px;padding:22px 24px;border:1px solid rgba(255,255,255,.16);border-left:4px solid var(--geo-accent);border-radius:11px;background:rgba(255,255,255,.09)}.geo-direct-answer strong{display:block;margin-bottom:7px;color:color-mix(in srgb,var(--geo-accent) 65%,white);font-size:12px;letter-spacing:.1em}.geo-direct-answer p{margin:0;color:#fff;font-size:18px;font-weight:550}.geo-hero__media{display:grid;min-height:400px;padding:32px;place-items:center;background:radial-gradient(circle at 50% 42%,#fff 0,#eceae6 52%,#c8c5bf 100%)}.geo-hero__media img{width:100%;aspect-ratio:16/9;object-fit:contain;filter:drop-shadow(0 24px 24px rgba(0,0,0,.2))}.geo-hero__brandmark{display:grid;width:min(260px,70%);aspect-ratio:1;place-items:center;border:1px solid rgba(0,0,0,.08);border-radius:50%;color:var(--geo-dark);font-size:46px;font-weight:700;background:rgba(255,255,255,.55)}.geo-content{width:min(820px,calc(100% - 56px));margin:auto;padding:58px 0 68px}.geo-content h2{margin:48px 0 18px;padding-top:28px;border-top:1px solid var(--geo-line);color:var(--geo-dark);font-size:30px;line-height:1.4}.geo-content h2:first-child{margin-top:0;padding-top:0;border-top:0}.geo-content h3{margin:32px 0 14px;font-size:21px}.geo-content p{margin:0 0 19px;font-size:16px}.geo-content ul,.geo-content ol{margin:0 0 24px;padding-left:24px}.geo-content li{margin:8px 0}.geo-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--geo-accent);background:var(--geo-accent-soft)}.geo-content figure{margin:36px 0}.geo-content figure img{max-width:100%;max-height:640px;margin:0 auto;object-fit:contain;border-radius:14px;background:var(--geo-canvas)}.geo-content figcaption{margin-top:10px;color:var(--geo-muted);font-size:12px;text-align:center}.geo-content table{width:100%;margin:26px 0;border-collapse:collapse;font-size:14px}.geo-content th,.geo-content td{padding:13px 15px;border:1px solid var(--geo-line);text-align:left}.geo-content th{background:var(--geo-canvas)}.geo-support{margin-top:46px;padding-top:26px;border-top:1px solid var(--geo-line)}.geo-support h2{margin:0 0 16px;padding:0;border:0;font-size:21px}.geo-document--faq{max-width:1020px;margin:auto}.geo-hero--faq{display:block;min-height:0;background:linear-gradient(135deg,var(--geo-dark),color-mix(in srgb,var(--geo-dark) 88%,var(--geo-accent)))}.geo-hero--faq .geo-hero__copy{width:min(880px,100%);margin:auto;padding:clamp(46px,7vw,72px)}.geo-hero--faq h1{font-size:clamp(32px,4vw,48px)}.geo-document--faq .geo-content{width:min(760px,calc(100% - 56px));padding:52px 0 62px}.geo-document--faq .geo-answer-body>h2{margin:40px 0 17px;padding:0 0 12px;border-top:0;border-bottom:1px solid var(--geo-line);font-size:24px}.geo-document--faq .geo-answer-body>h2:before{display:inline-block;width:4px;height:.85em;margin-right:11px;border-radius:3px;background:var(--geo-accent);content:""}.geo-footer{background:var(--geo-dark);color:rgba(255,255,255,.58)}.geo-footer__inner{display:flex;width:min(var(--geo-page),calc(100% - 40px));min-height:88px;margin:auto;align-items:center;font-size:12px}@media(max-width:860px){.geo-hero{grid-template-columns:1fr}.geo-hero__media{min-height:300px}}@media(max-width:560px){.geo-site-header__inner,.geo-page-shell,.geo-footer__inner{width:calc(100% - 24px)}.geo-page-shell{padding-top:14px}.geo-document{border-radius:16px}.geo-hero__copy,.geo-hero--faq .geo-hero__copy{padding:36px 24px}.geo-content,.geo-document--faq .geo-content{width:calc(100% - 40px);padding:40px 0 50px}.geo-meta{flex-direction:column;gap:4px}.geo-footer__inner{min-height:76px}}
html{scroll-behavior:smooth}body{background:#fff;letter-spacing:.01em}a:focus-visible{outline:2px solid var(--geo-accent);outline-offset:5px}a:hover{color:var(--geo-accent)}
.geo-site-header{background:var(--geo-dark);color:#fff;border-bottom:1px solid var(--geo-dark)}.geo-site-header__inner{width:min(1200px,calc(100% - 80px));min-height:88px;justify-content:space-between;gap:24px}.geo-brand{color:#fff;font-size:16px;letter-spacing:.02em;gap:16px}.geo-brand img{width:52px;height:44px}.geo-site-header nav{display:flex;gap:32px;font-size:13px}.geo-site-header nav a{text-decoration:none}
.geo-page-shell{width:min(1120px,calc(100% - 80px));padding:28px 0 88px}.geo-breadcrumbs{font-size:12px;margin-bottom:40px}.geo-breadcrumbs a{text-decoration:none}.geo-document,.geo-document--faq{max-width:none;border:0;border-radius:0;box-shadow:none;overflow:visible}.geo-hero--faq{background:none;color:var(--geo-ink);border-bottom:1px solid var(--geo-line)}.geo-hero--faq .geo-hero__copy{width:min(820px,100%);padding:12px 0 40px}.geo-eyebrow{color:var(--geo-accent);font-size:12px;letter-spacing:.12em;margin-bottom:20px}.geo-hero--faq h1{font-size:clamp(30px,3.6vw,46px);line-height:1.35;text-wrap:balance;font-weight:650;letter-spacing:-.025em;overflow-wrap:anywhere}.geo-hero__summary{color:var(--geo-muted);font-size:17px;line-height:1.9;margin-top:20px}.geo-meta{color:var(--geo-muted);border:0;padding:0;margin-top:24px;gap:24px;font-size:12px}.geo-direct-answer{border:0;border-left:3px solid var(--geo-accent);border-radius:0;background:var(--geo-canvas);margin-top:32px;padding:22px 28px}.geo-direct-answer strong{color:var(--geo-accent);font-size:12px;letter-spacing:.04em}.geo-direct-answer p{color:var(--geo-ink);font-size:18px;line-height:1.9;font-weight:500}
.geo-document--faq .geo-content{width:min(820px,100%);padding:40px 0 24px}.geo-content{overflow-wrap:anywhere}.geo-content p{line-height:1.95}.geo-content figure{margin:32px 0}.geo-content figure img{border-radius:4px}.geo-content table{table-layout:fixed}.geo-content th,.geo-content td{overflow-wrap:anywhere}.geo-content .geo-support{margin-top:36px;padding-top:28px}.geo-content .geo-support h2,.geo-content .geo-boundary h2{font-size:18px;line-height:1.5;margin:0 0 18px;padding:0;border:0}.geo-facts{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}.geo-facts>div{padding:18px 0;border-bottom:1px solid var(--geo-line)}.geo-facts dt{font-size:13px;color:var(--geo-muted)}.geo-facts dd{margin:6px 0 0;font-size:21px;font-weight:600}.geo-facts small{display:block;font-size:12px;font-weight:400;color:var(--geo-muted);margin-top:5px;white-space:pre-line}.geo-content .geo-tags{padding:0;display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0}.geo-tags li{padding:5px 14px;border:1px solid var(--geo-line);border-radius:3px;font-size:13px;margin:0}.geo-boundary{padding:24px 28px;margin-top:32px;background:var(--geo-canvas);border-radius:4px}.geo-boundary p{white-space:pre-line;font-size:14px;margin:0}.geo-content .geo-reference-list{list-style:none;padding:0;margin:0}.geo-reference-list li{padding:12px 0;border-bottom:1px solid var(--geo-line);margin:0}.geo-reference-list a{font-size:14px}.geo-reference-list p{font-size:12px;color:var(--geo-muted);margin:4px 0 0}
.geo-footer{background:var(--geo-canvas);border-top:1px solid var(--geo-line);color:var(--geo-muted)}.geo-footer__inner{width:min(1200px,calc(100% - 80px));min-height:112px;gap:28px;flex-wrap:wrap}.geo-footer strong{color:var(--geo-ink);font-size:15px}.geo-footer a{margin-left:auto;text-decoration:none}
@media(max-width:600px){.geo-site-header__inner,.geo-footer__inner{width:calc(100% - 40px);min-height:72px}.geo-site-header nav{gap:16px;font-size:12px}.geo-brand{font-size:13px;gap:10px}.geo-brand img{width:36px;height:34px}.geo-site-header nav a:first-child{display:none}.geo-page-shell{width:calc(100% - 40px);padding:22px 0 52px}.geo-breadcrumbs{margin-bottom:26px}.geo-hero--faq .geo-hero__copy{padding:0 0 28px}.geo-document--faq .geo-content{width:100%;padding:30px 0 0}.geo-direct-answer{padding:18px 20px;margin-top:24px}.geo-direct-answer p{font-size:16px}.geo-meta{flex-direction:row;flex-wrap:wrap;gap:8px 20px}.geo-facts{grid-template-columns:1fr}.geo-boundary{padding:20px}.geo-index-intro{padding:22px 0 30px;display:block}.geo-index-count{margin-top:20px}.geo-index-nav{margin:22px 0 30px}.geo-faq-grid{grid-template-columns:1fr;gap:14px}.geo-faq-card>a{padding:22px}.geo-faq-card h3{font-size:19px}.geo-footer__inner{padding:24px 0;gap:12px 20px}.geo-footer strong{width:100%}}

.geo-page-shell{width:min(1200px,calc(100% - 80px));padding-top:42px}.doc-layout{display:grid;grid-template-columns:280px minmax(0,800px);gap:64px;align-items:start}.doc-reading{min-width:0}.doc-standalone{max-width:800px;margin:auto}.doc-sidebar{position:sticky;top:28px;max-height:calc(100vh - 56px);overflow:auto;padding-right:20px;scrollbar-width:thin}.doc-mobile-nav{display:none}.doc-home{display:block;font-size:18px;font-weight:600;text-decoration:none;padding:0 12px 22px}.doc-group{border-top:1px solid var(--geo-line);padding:8px 0}.doc-group summary{padding:12px;cursor:pointer;font-size:14px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:10px}.doc-group summary:after{content:'+';color:var(--geo-muted)}.doc-group[open]>summary:after{content:'−'}.doc-group summary::-webkit-details-marker{display:none}.doc-group ul{list-style:none;margin:0;padding:0}.doc-group li{margin:2px 0}.doc-group a{display:block;padding:10px 12px 10px 22px;font-size:13px;line-height:1.7;text-decoration:none;border-left:2px solid transparent;overflow-wrap:anywhere}.doc-group a[aria-current]{border-left-color:var(--geo-accent);background:var(--geo-accent-soft);color:var(--geo-ink);font-weight:600}.doc-group a:hover{background:var(--geo-canvas)}
.doc-reading .geo-breadcrumbs{margin-bottom:30px}.doc-reading .geo-hero--faq .geo-hero__copy{width:100%;padding:0 0 26px}.doc-reading .geo-hero--faq h1{font-size:clamp(27px,3vw,36px);line-height:1.45}.doc-reading .geo-eyebrow{margin-bottom:14px}.doc-reading .geo-direct-answer{padding:16px 20px;margin-top:24px}.doc-reading .geo-direct-answer p{font-size:16px}.doc-reading .geo-document--faq .geo-content{width:100%;padding:28px 0}.doc-reading .geo-answer-body>h2{font-size:22px;margin-top:28px}.doc-reading .geo-facts{display:block}.doc-reading .geo-facts>div{display:grid;grid-template-columns:140px minmax(0,1fr);gap:20px;padding:13px 0}.doc-reading .geo-facts dd{margin:0;font-size:15px}.doc-table-scroll{overflow-x:auto;max-width:100%;margin:24px 0}.doc-table-scroll table{table-layout:auto;min-width:520px;margin:0}.doc-reading .geo-content> .geo-support{margin-top:24px}.doc-pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--geo-line);padding-top:24px}.doc-pager a{text-decoration:none;overflow-wrap:anywhere}.doc-pager a:nth-child(2){text-align:right}.doc-pager small{display:block;color:var(--geo-muted);font-size:12px;margin-bottom:6px}.doc-pager span{font-size:14px}.doc-pager .doc-pager-home{grid-column:1/-1;font-size:13px;color:var(--geo-muted)}.doc-index-heading{margin:0 0 14px;font-size:36px;line-height:1.4;font-weight:600}.doc-index-intro{color:var(--geo-muted);font-size:15px;margin:0 0 40px}.doc-index-group{margin:30px 0}.doc-index-group h2{font-size:20px;margin:0 0 10px}.doc-index-group ul{list-style:none;padding:0;margin:0}.doc-index-group li{border-bottom:1px solid var(--geo-line)}.doc-index-group a{display:flex;justify-content:space-between;gap:20px;padding:16px 0;text-decoration:none;font-size:15px;line-height:1.7;overflow-wrap:anywhere}.doc-index-group a:after{content:'→';color:var(--geo-accent)}
@media(max-width:900px){.doc-layout{grid-template-columns:230px minmax(0,1fr);gap:32px}.geo-page-shell{width:calc(100% - 48px)}}
@media(max-width:700px){.geo-page-shell{width:calc(100% - 40px);padding-top:22px}.doc-layout{display:block}.doc-sidebar{display:none}.doc-mobile-nav{display:block;border:1px solid var(--geo-line);border-radius:4px;margin-bottom:28px}.doc-mobile-nav>summary{padding:14px;font-size:13px;cursor:pointer;overflow-wrap:anywhere}.doc-mobile-nav nav{max-height:55vh;overflow:auto;padding:12px}.doc-mobile-nav .doc-home{display:none}.doc-reading .geo-facts>div{grid-template-columns:100px minmax(0,1fr);gap:12px}.doc-index-heading{font-size:30px}.doc-pager{gap:14px}.geo-content th,.geo-content td{min-width:110px}}
body,.geo-document{background:#fffefa}.geo-brand img{width:86px}@media(max-width:600px){.geo-brand img{width:64px}}