:root{--bg:#F3F6F9;--surface:#fff;--soft:#E8EEF5;--title:#0B1220;--text:#1E293B;--muted:#475569;--faint:#64748B;--blue:#2563EB;--bright:#60A5FA;--deep:#1D4ED8;--lime:#65A30D;--slate:#334155;--line:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--max:1180px;--r:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}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;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-header{position:fixed;z-index:70;inset:0 0 auto 0}.status-bar{height:32px;background:var(--slate);color:#fff}.status-inner{height:32px;display:flex;align-items:center;justify-content:space-between;font-size:13px}.status-brand{font-weight:700;letter-spacing:.04em}.text-button{border:0;background:transparent;color:#fff;min-height:32px;padding:0 6px;cursor:pointer}.command-bar{height:60px;background:#fff;border-bottom:1px solid var(--line)}.command-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.square-button{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}.square-button span{width:17px;height:2px;background:var(--title);border-radius:2px}.brand-mark{justify-self:center;display:flex;align-items:center;height:44px}.brand-mark img{display:block;max-height:32px;max-width:170px;width:auto}.brand-mark strong{font-size:22px;color:var(--title);letter-spacing:.02em}.app-open{justify-self:end;display:inline-flex;min-height:44px;align-items:center;padding:0 17px;border-radius:999px;background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff;font-weight:700}.desktop-tabs{height:44px;background:#fff;border-bottom:1px solid var(--line)}.tab-inner{height:44px;display:grid;grid-template-columns:repeat(6,1fr);align-items:stretch}.tab-inner a{display:flex;align-items:center;justify-content:center;position:relative;font-size:14px;color:var(--muted)}.tab-inner a.active{color:var(--blue);font-weight:700}.tab-inner a.active:after{content:"";position:absolute;left:26%;right:26%;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--blue)}.page-main{padding-top:164px}.hero,.section-block{padding:34px 0}.hero-card,.content-card,.feature-card,.info-card,.article-card,.policy-card,.faq-item,.list-row,.timeline-item,.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}.hero-card{padding:34px}.eyebrow{margin:0 0 8px;color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em}.hero h1,.page-title{font-size:clamp(28px,4vw,32px);line-height:1.28;color:var(--title);margin:0 0 16px}.lead{font-size:16px;color:var(--muted);max-width:850px;margin:0}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.primary-button,.secondary-button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;font-weight:800}.primary-button{background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff}.secondary-button{background:#fff;color:var(--blue);border:1px solid rgba(37,99,235,.35)}a:hover{color:var(--deep)}.primary-button:hover{color:#fff;filter:brightness(.97)}a:focus-visible,button:focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:3px}.media-slot{margin-top:26px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,#eef3f8,#e4ebf3);min-height:180px;display:flex;align-items:center;justify-content:center}.media-slot img{display:block;width:100%;height:auto;max-height:340px;object-fit:contain;background:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head h2{margin:0;color:var(--title);font-size:24px;line-height:1.35}.section-head p{margin:0;color:var(--faint);max-width:680px}.theme-strips{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.theme-strip{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center}.theme-dot{width:9px;height:9px;border-radius:50%;background:var(--blue)}.theme-strip strong{color:var(--title)}.theme-strip span{display:block;color:var(--muted);font-size:14px}.theme-strip em{font-style:normal;color:var(--blue);font-weight:700}.pulse-layout{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.25fr);gap:22px;align-items:start}.pulse-layout .media-slot{margin:0;min-height:300px}.number-stack{display:grid;gap:12px}.number-row{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.number-row b{font-size:28px;color:var(--blue);display:block;line-height:1}.number-row h3{margin:8px 0 7px;color:var(--title)}.number-row p{margin:0;color:var(--muted)}.three-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{overflow:hidden}.feature-card .media-slot{margin:0;border-radius:0;min-height:150px;box-shadow:none}.feature-body{padding:20px}.feature-body h3{margin:0 0 8px;color:var(--title);font-size:20px}.feature-body p{margin:0;color:var(--muted)}.feature-body a{display:inline-block;margin-top:12px;color:var(--blue);font-weight:800}.stacked{display:grid;gap:18px}.wide-feature{display:grid;grid-template-columns:minmax(260px,.9fr) 1.2fr;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}.wide-feature .media-slot{margin:0;border-radius:0;min-height:230px}.wide-feature .feature-body{align-self:center;padding:28px}.quad-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.content-card{padding:22px}.content-card h3{margin:0 0 8px;color:var(--title)}.content-card p{margin:0;color:var(--muted)}.file-list{display:grid;gap:10px}.list-row{padding:16px 18px;display:grid;grid-template-columns:140px 1fr auto;gap:16px;align-items:center}.list-row strong{color:var(--title)}.list-row p{margin:0;color:var(--muted)}.list-row a{color:var(--blue);font-weight:800}.big-number-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.big-number{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.big-number b{display:block;font-size:38px;color:var(--blue);line-height:1}.big-number strong{display:block;margin:12px 0 6px;color:var(--title)}.big-number p{margin:0;color:var(--muted);font-size:14px}.timeline{position:relative;display:grid;gap:16px}.timeline:before{content:"";position:absolute;left:18px;top:10px;bottom:10px;width:2px;background:rgba(37,99,235,.2)}.timeline-item{position:relative;margin-left:48px;padding:19px 22px}.timeline-item:before{content:"";position:absolute;left:-38px;top:25px;width:14px;height:14px;border-radius:50%;background:var(--blue);border:4px solid var(--bg)}.timeline-item small{color:var(--blue);font-weight:800}.timeline-item h3{margin:4px 0 6px;color:var(--title)}.timeline-item p{margin:0;color:var(--muted)}.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:22px;align-items:start}.article-card{padding:28px}.article-card h2,.article-card h3{color:var(--title);margin-top:1.4em}.article-card h2:first-child{margin-top:0}.article-card p{color:var(--text);margin:0 0 1em}.side-index{position:sticky;top:180px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.side-index h2{font-size:16px;color:var(--title);margin:0 0 10px}.side-index a{display:block;padding:7px 0;color:var(--muted);font-size:14px}.tag-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.tag-row a,.tag-row span{padding:8px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--blue);font-weight:700;font-size:14px}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step-card{padding:20px}.step-card b{color:var(--lime);font-size:13px}.step-card h3{margin:5px 0 7px;color:var(--title)}.step-card p{margin:0;color:var(--muted)}.policy-list{display:grid;gap:14px}.policy-card{padding:22px}.policy-card h2{font-size:20px;margin:0 0 9px;color:var(--title)}.policy-card p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{padding:20px}.faq-item h2{font-size:18px;margin:0 0 8px;color:var(--title)}.faq-item p{margin:0;color:var(--muted)}.notice{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:18px;color:var(--muted)}.app-showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}.app-copy{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow)}.app-copy h2{color:var(--title);margin-top:0}.app-copy p{color:var(--muted)}.badge-line{display:flex;align-items:center;gap:12px;margin-top:18px}.badge-line img{width:56px;height:56px;object-fit:contain;border-radius:14px}.site-footer{background:var(--title);color:#D6E4FF;margin-top:48px;padding:40px 0 84px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.footer-brand img{max-height:32px;max-width:150px}.footer-brand strong{display:block;color:#fff;font-size:22px}.footer-brand span{font-size:13px;color:#9FB9E9}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 10px}.footer-grid a{display:block;color:#D6E4FF;padding:4px 0;font-size:14px}.footer-note{border-top:1px solid rgba(214,228,255,.14);margin:28px 0 0;padding-top:20px;color:#AFC3E6;font-size:14px}.copyright{color:#8EA7D4;font-size:13px;margin:8px 0 0}.overlay{position:fixed;z-index:80;inset:0;background:rgba(11,18,32,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mosaic-menu{position:fixed;z-index:90;inset:0;background:var(--bg);transform:translateY(-100%);visibility:hidden;pointer-events:none;transition:transform .28s ease,visibility .28s}.mosaic-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto;overflow:auto}.mosaic-shell{padding:22px 0 60px}.mosaic-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.mosaic-brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--title);font-size:20px}.mosaic-brand img{max-height:32px;max-width:150px}.close-button{min-height:44px;padding:0 16px;border:1px solid var(--line);background:#fff;border-radius:999px;color:var(--blue);font-weight:800;cursor:pointer}.mosaic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.mosaic-group{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.mosaic-group h2{font-size:15px;color:var(--blue);margin:0 0 10px}.mosaic-group a{display:block;padding:13px 0;border-top:1px solid rgba(37,99,235,.09)}.mosaic-group a:first-of-type{border-top:0}.mosaic-group b{display:block;color:var(--title)}.mosaic-group span{display:block;color:var(--faint);font-size:13px;margin-top:3px}.search-layer{position:fixed;z-index:92;left:0;right:0;top:92px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 24px 70px rgba(11,18,32,.18)}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head strong{color:var(--title);font-size:18px}.search-look{margin-top:16px;background:var(--soft);border-radius:14px;min-height:58px;display:flex;align-items:center;gap:11px;padding:0 16px;color:var(--muted)}.search-look span{font-size:22px;color:var(--blue)}.preset-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.preset-links a{border:1px solid var(--line);border-radius:999px;padding:8px 13px;color:var(--blue);font-weight:700}.no-scroll{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:900px){.mosaic-grid{grid-template-columns:repeat(2,1fr)}.three-grid{grid-template-columns:1fr}.pulse-layout,.app-showcase,.wide-feature,.article-wrap{grid-template-columns:1fr}.wide-feature .media-slot{min-height:180px}.big-number-grid{grid-template-columns:repeat(2,1fr)}.step-grid{grid-template-columns:repeat(2,1fr)}.side-index{position:static}.list-row{grid-template-columns:110px 1fr}.list-row a{grid-column:2}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.desktop-tabs{display:none}.page-main{padding-top:92px;padding-bottom:70px}.shell{width:min(var(--max),calc(100% - 32px))}.hero,.section-block{padding:24px 0}.hero-card{padding:23px}.theme-strips{grid-template-columns:1fr}.theme-strip{grid-template-columns:auto 1fr}.theme-strip em{grid-column:2}.quad-grid{grid-template-columns:1fr}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mosaic-group{padding:14px}.mosaic-group a{padding:11px 0}.search-layer{top:0;bottom:0;background:var(--bg)}.search-card{width:100%;height:100%;border-radius:0;border:0;box-shadow:none;padding:20px 16px}.mobile-bottom{position:fixed;z-index:68;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--muted);font-size:13px;font-weight:700}.mobile-bottom a.active{color:var(--blue)}.site-footer{padding-bottom:92px}.app-open{padding:0 13px;font-size:14px}.brand-mark img{max-width:125px}.footer-grid{grid-template-columns:1fr 1fr}.step-grid{grid-template-columns:1fr}.list-row{grid-template-columns:1fr}.list-row a{grid-column:auto}.media-slot{min-height:150px}.pulse-layout .media-slot{min-height:200px}}
@media(max-width:420px){.mosaic-grid{grid-template-columns:1fr 1fr}.mosaic-group span{font-size:12px}.footer-grid{grid-template-columns:1fr}.big-number-grid{grid-template-columns:1fr}.command-inner{grid-template-columns:44px 1fr auto}.brand-mark{justify-self:center}.app-open{white-space:nowrap}}