:root{--bg:#F3F6F9;--surface:#fff;--soft:#E8EEF5;--ink:#0B1220;--body:#1E293B;--muted:#475569;--quiet:#64748B;--blue:#2563EB;--blue2:#60A5FA;--deep:#1D4ED8;--lime:#65A30D;--slate:#334155;--border:rgba(37,99,235,.16);--shadow:0 14px 36px rgba(11,18,32,.08);--max:1180px;--status:32px;--command:60px;--tabs:44px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}
.site-header{position:fixed;z-index:1000;top:0;left:0;right:0}.status-bar{height:var(--status);background:var(--slate);color:#fff;font-size:13px}.status-inner,.command-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.status-brand{font-weight:800;letter-spacing:.03em}.top-search{min-height:32px;border:0;background:none;color:#fff;cursor:pointer}.command-bar{height:var(--command);background:#fff;border-bottom:1px solid var(--border)}.command-inner{display:grid;grid-template-columns:1fr auto 1fr}.menu-button{width:44px;height:44px;border:1px solid var(--border);border-radius:12px;background:#fff;display:grid;grid-template-columns:repeat(2,6px);grid-template-rows:repeat(2,6px);gap:4px;place-content:center;cursor:pointer}.menu-button i{width:6px;height:6px;border-radius:2px;background:var(--blue)}.brand{justify-self:center;min-height:44px;display:flex;align-items:center;color:var(--ink);font-size:20px}.brand img{max-height:32px;width:auto}.open-app{justify-self:end;min-height:44px;display:flex;align-items:center;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff;font-weight:800}.tab-bar{height:var(--tabs);background:#fff;border-bottom:1px solid var(--border)}.tabs{height:100%;display:flex;align-items:stretch;gap:28px}.tabs a{display:flex;align-items:center;position:relative;font-size:14px;font-weight:700;color:var(--muted);white-space:nowrap}.tabs a.active{color:var(--blue)}.tabs a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--blue);border-radius:4px 4px 0 0}
.site-main{padding-top:calc(var(--status) + var(--command) + var(--tabs));min-height:65vh}.page{padding:46px 0 72px}.hero-card,.content-card,.feature-card,.article-body,.faq-item,.legal-card,.timeline-item,.step{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.hero-card{padding:30px;margin-bottom:26px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:850;letter-spacing:.08em}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}h1,h2,h3{color:var(--ink);line-height:1.3;margin:0 0 14px}h1{font-size:clamp(28px,3.3vw,32px)}h2{font-size:22px}h3{font-size:18px}p{margin:0 0 14px}.lead{font-size:17px;color:var(--muted);max-width:830px}.section{padding:28px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-head p{max-width:680px;color:var(--muted)}
.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;border:1px solid var(--blue);font-weight:800}.btn.primary{background:linear-gradient(135deg,#60A5FA 0%,#2563EB 52%,#1D4ED8 100%);color:#fff}.btn.secondary{background:#fff;color:var(--blue)}.text-link{color:var(--blue);font-weight:800}.media-wide,.cover-media{border-radius:18px;overflow:hidden;background:var(--soft)}.cover-media{margin-top:28px}.media-wide img,.cover-media img{width:100%;max-height:340px;object-fit:contain}.image-slot{min-height:230px;border-radius:16px;background:linear-gradient(135deg,#E8EEF5,#F8FAFC);border:1px dashed rgba(37,99,235,.25)}
.theme-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--border)}.theme-item{position:relative;padding:17px 12px 17px 24px;border-bottom:1px solid var(--border)}.theme-item:before{content:"";position:absolute;left:2px;top:26px;width:8px;height:8px;border-radius:50%;background:var(--blue)}.theme-item b{display:block;color:var(--ink)}.theme-item span{color:var(--muted)}.grid-2,.grid-3,.grid-4{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.content-card,.feature-card{padding:22px}.content-card img,.feature-card img{border-radius:14px;margin-bottom:16px}.content-card .image-slot,.feature-card .image-slot{min-height:180px;margin-bottom:16px}
.numbered{display:grid;gap:10px}.number-block{display:grid;grid-template-columns:78px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--border)}.big-number{font-size:46px;line-height:1;color:var(--blue);font-weight:900;letter-spacing:-.06em}.long-stack{display:grid;gap:18px}.article-body{padding:28px}.article-body h2{margin-top:28px}.article-body h2:first-child{margin-top:0}.notice{padding:16px 18px;background:var(--soft);border-left:4px solid var(--blue);border-radius:12px;color:var(--muted)}
.list-panel{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.list-row{padding:18px 22px;border-bottom:1px solid var(--border);display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center}.list-row:last-child{border-bottom:0}.tag{font-size:13px;color:var(--blue);font-weight:850}.status-pill{display:inline-flex;min-height:32px;align-items:center;padding:0 12px;border:1px solid var(--border);border-radius:999px;color:var(--blue);font-size:13px;font-weight:800}
.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:rgba(37,99,235,.2)}.timeline-item{position:relative;padding:22px;margin-bottom:16px}.timeline-item:before{content:"";position:absolute;left:-28px;top:28px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px var(--bg)}.steps{counter-reset:step;display:grid;gap:16px}.step{counter-increment:step;padding:22px 22px 22px 78px;position:relative}.step:before{content:counter(step,decimal-leading-zero);position:absolute;left:22px;top:20px;color:var(--blue);font-size:26px;font-weight:900}
.index-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.index-links a{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;min-height:104px}.index-links b{display:block;color:var(--ink)}.index-links span{color:var(--muted);font-size:14px}.phone-layout{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.3fr);gap:28px;align-items:center}.phone-layout .media-wide img{max-height:520px}.faq-list{display:grid;gap:14px}.faq-item{padding:20px 22px}
.site-footer{background:#0B1220;color:#D6E4FF;padding:44px 0 80px}.footer-brand{display:flex;gap:14px;align-items:center;margin-bottom:28px}.footer-brand img{max-height:30px;width:auto}.footer-brand strong{display:block;color:#fff;font-size:20px}.footer-brand span{font-size:12px;letter-spacing:.12em}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}.footer-grid h2{font-size:14px;color:#fff}.footer-grid a{display:block;padding:4px 0;font-size:14px}.footer-note{margin-top:28px;color:#9FB4D8;max-width:820px;font-size:14px}.copyright{color:#7F95BC;font-size:13px}
.screen-overlay{position:fixed;z-index:1190;inset:0;background:rgba(11,18,32,.42);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-overlay.show{opacity:1;visibility:visible;pointer-events:auto}.mosaic-menu{position:fixed;z-index:1210;inset:0;background:#F3F6F9;transform:translateY(-100%);visibility:hidden;pointer-events:none;transition:.28s}.mosaic-menu.open{transform:translateY(0);visibility:visible;pointer-events:auto;overflow:auto}.mosaic-shell{width:min(var(--max),calc(100% - 32px));margin:auto;padding:22px 0 50px}.mosaic-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.mosaic-brand{display:flex;align-items:center;gap:12px;color:var(--ink)}.mosaic-brand img{max-height:32px;width:auto}.round-close{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--ink);font-size:24px;cursor:pointer}.mosaic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.mosaic-group{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px}.mosaic-group h2{font-size:16px}.mosaic-group a{display:block;padding:13px 0;border-top:1px solid var(--border)}.mosaic-group b{display:block;color:var(--ink)}.mosaic-group span{display:block;color:var(--muted);font-size:13px}
.search-layer{position:fixed;z-index:1220;left:0;right:0;top:calc(var(--status) + var(--command));visibility:hidden;pointer-events:none}.search-layer.open{visibility:visible;pointer-events:auto}.search-card{width:min(720px,calc(100% - 32px));margin:12px auto;background:#fff;border:1px solid var(--border);box-shadow:0 18px 60px rgba(11,18,32,.18);border-radius:18px;padding:18px}.search-head{display:flex;justify-content:space-between;align-items:center}.search-box{min-height:50px;border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;padding:0 16px;color:var(--quiet);background:#F8FAFC;margin:16px 0}.preset-links{display:flex;flex-wrap:wrap;gap:8px}.preset-links a{min-height:40px;display:flex;align-items:center;padding:0 14px;border-radius:999px;border:1px solid var(--border);color:var(--blue);font-weight:700;font-size:14px}.mobile-bottom{display:none}
a:focus-visible,button:focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:3px}@media(hover:hover){a:hover{color:var(--blue)}.btn.primary:hover,.open-app:hover{color:#fff;filter:brightness(.97)}}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.index-links{grid-template-columns:repeat(2,1fr)}.phone-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){:root{--tabs:0px}.tab-bar{display:none}.site-main{padding-top:calc(var(--status) + var(--command));padding-bottom:58px}.page{padding:30px 0 54px}.hero-card{padding:22px}.section{padding:22px 0}.grid-2,.grid-3,.index-links{grid-template-columns:1fr}.theme-list{grid-template-columns:1fr}.number-block{grid-template-columns:60px 1fr}.big-number{font-size:38px}.list-row{grid-template-columns:1fr;gap:6px}.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.search-layer{inset:0;background:#F3F6F9}.search-card{width:100%;height:100%;margin:0;border-radius:0;border:0;box-shadow:none;padding:20px 16px;overflow:auto}.mobile-bottom{display:grid;position:fixed;z-index:1080;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(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.active{color:var(--blue);font-weight:850}.site-footer{padding-bottom:90px}}
@media(max-width:520px){.wrap,.mosaic-shell{width:calc(100% - 32px)}.open-app{padding:0 12px;font-size:14px}.brand{max-width:130px}.brand img{max-width:122px}.grid-4,.mosaic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mosaic-group{padding:14px}.mosaic-group span{font-size:12px;line-height:1.55}.footer-grid{grid-template-columns:repeat(2,1fr);gap:18px}}