:root{--bg:#F3F6F9;--deep:#FFFFFF;--sub:#E8EEF5;--title:#0B1220;--text:#1E293B;--muted:#475569;--soft:#64748B;--blue:#2563EB;--blue2:#60A5FA;--blue3:#1D4ED8;--lime:#65A30D;--slate:#334155;--line:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--radius:18px;--shell:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}.shell{width:min(var(--shell),calc(100% - 32px));margin:0 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0}.page-main{padding-top:136px}.hero-section,.section{padding:52px 0}.hero-card,.panel,.content-card,.service-card,.faq-item,.policy-block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:34px}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero-card h1,.page-hero h1{margin:0;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.28;letter-spacing:-.04em}.hero-card p,.page-hero p{max-width:820px;color:var(--muted)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.btn{min-height:44px;padding:0 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.btn.primary{background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff}.btn.secondary{background:#fff;color:var(--blue);border:1px solid 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a{color:var(--blue);font-weight:700}.meter-list{display:grid;gap:12px}.meter-row{display:grid;grid-template-columns:90px 220px 1fr;gap:20px;align-items:start;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px}.meter-row h3{margin:0;color:var(--title)}.meter-row p{margin:0;color:var(--muted)}.timeline{position:relative;margin-left:18px;padding-left:34px;display:grid;gap:18px}.timeline:before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:rgba(37,99,235,.22)}.timeline-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.timeline-item:before{content:"";position:absolute;left:-35px;top:26px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px var(--bg)}.status-chip{display:inline-flex;min-height:30px;align-items:center;padding:0 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p{margin:0 0 14px;color:var(--text)}.article-block p:last-child{margin-bottom:0}.article-block ul{margin:10px 0 0;padding-left:20px}.article-block li{margin:8px 0;color:var(--muted)}.side-nav{align-self:start;position:sticky;top:158px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.side-nav h2{font-size:15px;margin:0 0 12px;color:var(--title)}.side-nav a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted)}.side-nav a:last-child{border-bottom:0}.wide-media .media-slot{margin:0 0 18px;min-height:240px}.index-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.index-chips a,.index-chips span{display:inline-flex;min-height:40px;align-items:center;padding:0 14px;border-radius:999px;background:#EEF4FF;color:var(--blue);font-weight:700}.directory-lines{display:grid;gap:12px}.directory-line{display:grid;grid-template-columns:56px 180px 1fr;gap:18px;padding:18px;background:#fff;border:1px solid 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.28s}.mosaic-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto;overflow:auto}.mosaic-shell{padding:26px 0 44px}.mosaic-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.mosaic-brand{display:flex;align-items:center;gap:12px}.mosaic-brand img{max-height:32px}.mosaic-brand strong{display:block;color:var(--title)}.mosaic-brand span{display:block;color:var(--soft);font-size:12px}.mosaic-head .close-btn,.search-head .close-btn{border:1px solid var(--line);background:#fff;color:var(--title);border-radius:999px;padding:0 16px}.mosaic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mosaic-group{padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}.mosaic-group h2{font-size:15px;margin:0 0 12px;color:var(--blue)}.mosaic-group a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}.mosaic-group a:last-child{border-bottom:0}.mosaic-group strong{display:block;color:var(--title);font-size:15px}.mosaic-group span{display:block;color:var(--soft);font-size:13px;line-height:1.55;margin-top:3px}.search-layer{position:fixed;z-index:88;top:92px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:14px auto;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(11,18,32,.16);padding:20px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.search-head strong{color:var(--title);font-size:18px}.search-box{display:grid;gap:8px;margin:18px 0}.search-box span{font-size:13px;color:var(--soft)}.search-box input{width:100%;min-height:48px;border:1px solid rgba(37,99,235,.24);border-radius:14px;padding:0 14px;color:var(--title);background:#F8FAFC;outline:none}.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.1)}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{display:inline-flex;align-items:center;min-height:42px;padding:0 14px;border-radius:999px;background:#EEF4FF;color:var(--blue);font-weight:700}.search-note{margin:16px 0 0;color:var(--soft);font-size:13px}.mobile-nav{display:none}.no-scroll{overflow:hidden}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(37,99,235,.34);outline-offset:3px}.app-link:hover,.btn.primary:hover{filter:brightness(.96)}.btn.secondary:hover,.topic-row a:hover,.footer-groups a:hover{color:var(--blue3)}
@media(max-width:900px){.numbered-copy{grid-template-columns:repeat(2,1fr)}.card-grid-3,.quad-grid{grid-template-columns:repeat(2,1fr)}.feature-row,.feature-row:nth-child(even),.service-split,.content-layout{grid-template-columns:1fr}.side-nav{position:static}.mosaic-grid{grid-template-columns:repeat(2,1fr)}.footer-groups{grid-template-columns:repeat(2,1fr)}.file-row{grid-template-columns:42px 150px 1fr}.file-row a{grid-column:2/-1}.meter-row{grid-template-columns:80px 180px 1fr}}
@media(max-width:700px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.tabs-bar{display:none}.page-main{padding-top:92px}.shell{width:min(var(--shell),calc(100% - 32px))}.hero-section,.section{padding:34px 0}.hero-card{padding:24px 20px}.hero-actions{display:grid;grid-template-columns:1fr}.btn{width:100%}.topic-row{grid-template-columns:1fr;gap:7px}.numbered-copy,.card-grid-3,.quad-grid{grid-template-columns:1fr}.feature-row,.feature-row:nth-child(even){padding:20px}.mosaic-menu{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.mosaic-shell{padding-top:16px}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mosaic-group{padding:14px}.mosaic-group span{font-size:12px}.search-layer{inset:0;background:#F3F6F9;top:0;padding:16px;overflow:auto}.search-card{width:100%;min-height:100%;margin:0;border-radius:0;background:transparent;box-shadow:none;border:0;padding:12px 0 80px}.mobile-nav{display:grid;position:fixed;z-index:70;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--soft);font-size:13px;font-weight:700}.mobile-nav a.is-current{color:var(--blue)}.footer-groups{grid-template-columns:repeat(2,1fr);gap:18px}.site-footer{padding-bottom:76px}.file-row{grid-template-columns:36px 1fr;gap:8px 12px}.file-row p,.file-row a{grid-column:2}.meter-row{grid-template-columns:64px 1fr;gap:12px}.meter-row p{grid-column:2}.directory-line{grid-template-columns:46px 1fr;gap:10px}.directory-line p{grid-column:2}.page-hero{padding-top:34px}.article-block{padding:22px 18px}.section-head{display:block}.section-head p{margin-top:8px}.command-inner{grid-template-columns:44px 1fr auto}.command-logo{max-width:130px}.app-link{padding:0 13px;font-size:13px}}
@media(max-width:420px){.mosaic-grid{grid-template-columns:1fr 1fr}.mosaic-group strong{font-size:14px}.mosaic-group span{font-size:11px}.footer-groups{grid-template-columns:1fr 1fr}.hero-card h1,.page-hero h1{font-size:28px}}