:root{--bg:#F3FBFA;--deep:#E4F4F1;--card:#FFFFFF;--soft:#D4EFEC;--title:#0D2E2B;--text:#163834;--muted:#4A706C;--assist:#6A8E89;--brand:#0E9A88;--bright:#1EC8B6;--dark:#0A6B5E;--porcelain:#F7FFFE;--border:rgba(14,154,136,.16);--border-strong:rgba(14,154,136,.42);--shadow:0 12px 28px rgba(10,107,94,.08);--radius:12px;--wrap:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(calc(100% - 32px),var(--wrap));margin:0 auto}.skip-link{position:fixed;left:12px;top:-60px;z-index:99;background:#fff;color:var(--dark);padding:10px 14px;border-radius:8px}.skip-link:focus{top:10px}.top-shell{position:fixed;left:0;right:0;top:0;z-index:40}.qingline{height:22px;background:var(--dark);color:#fff;font-size:12px}.qingline-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;padding:0 8px;height:22px}.curtain-bar{height:60px;background:#fff;border-bottom:1px solid var(--border)}.curtain-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand-link{justify-self:start;min-width:44px;min-height:44px;display:flex;align-items:center}.logo-slot{display:inline-flex;align-items:center}.small-logo{height:28px;min-width:66px}.logo-image{max-height:28px;max-width:160px;width:auto;object-fit:contain;object-position:center}.brand-link strong{font-size:16px;color:var(--title)}.drawer-trigger{height:44px;min-width:86px;border:1px solid var(--border-strong);background:var(--porcelain);color:var(--dark);border-radius:999px;font-weight:700}.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:10px;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff;font-size:14px;font-weight:700}.mirror-tabs{height:40px;background:var(--porcelain);border-bottom:1px solid var(--border)}.mirror-tabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}.mirror-tabs a{font-size:13px;line-height:30px;padding:0 14px;border-radius:8px;color:var(--muted)}.mirror-tabs a.active{background:var(--brand);color:#fff}.page-main{padding-top:146px;min-height:70vh}.page-hero{padding:34px 0 18px}.eyebrow{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.08em}.page-hero h1{margin:8px 0 10px;font-size:24px;line-height:1.3;color:var(--title)}.page-hero p{max-width:800px;margin:0;color:var(--muted)}h2{font-size:20px;line-height:1.35;color:var(--title)}h3{font-size:16px;line-height:1.45;color:var(--title)}p{margin:0 0 14px}.section{padding:24px 0}.section + .section{border-top:1px solid var(--border)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.section-head h2{margin:0}.section-head p{margin:0;color:var(--muted);font-size:14px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card,.content-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card{padding:16px}.card h3{margin:12px 0 8px}.card p{color:var(--muted)}.content-card{padding:22px}.content-card + .content-card{margin-top:14px}.image-slot{background:var(--porcelain);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.image-180{height:180px}.image-200{height:200px}.image-260{height:260px}.image-app{height:min(360px,70vw)}.hero-cover{padding-top:24px}.hero-copy{max-width:860px;margin:18px auto 0;text-align:center}.hero-copy h1{font-size:24px;line-height:1.3;margin:6px 0 8px}.hero-copy .lead{font-size:18px;font-weight:800;color:var(--title)}.hero-copy p{color:var(--muted)}.btn-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px}.btn{height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff}.btn-secondary{background:#fff;border:1px solid var(--border-strong);color:var(--dark)}.btn:hover,.app-link:hover,.drawer-trigger:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(30,200,182,.35);outline-offset:2px}.number-list{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:56px 1fr;gap:14px;padding:16px;background:#fff;border:1px solid var(--border);border-radius:12px}.number{font-size:20px;font-weight:900;color:var(--brand)}.number-item h3{margin:0 0 6px}.number-item p{margin:0;color:var(--muted)}.shelf{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.shelf a,.shelf article{min-height:122px;padding:14px;background:#fff;border:1px solid var(--border);border-radius:10px}.shelf h3{margin:0 0 6px}.shelf p{color:var(--muted);font-size:14px}.timeline{position:relative;display:grid;gap:14px;margin-left:10px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--soft)}.timeline-item{position:relative;padding-left:34px}.timeline-item:before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--brand);border:4px solid var(--porcelain)}.timeline-item .state{display:inline-flex;padding:3px 9px;border-radius:999px;background:var(--soft);color:var(--dark);font-size:12px;font-weight:800}.timeline-item h3{margin:7px 0 4px}.timeline-item p{color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.prose{max-width:860px}.prose h2{margin-top:28px}.prose h3{margin-top:22px}.prose p{color:var(--text)}.note-box{padding:16px 18px;background:var(--deep);border-left:4px solid var(--brand);border-radius:10px;color:var(--text)}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 16px}.faq-list summary{font-weight:800;color:var(--title);cursor:pointer}.faq-list p{margin:10px 0 0;color:var(--muted)}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{padding:6px 10px;border-radius:999px;background:var(--soft);color:var(--dark);font-size:13px}.site-footer{margin-top:40px;background:var(--dark);color:#D4EFEC;border-top:1px solid rgba(247,255,254,.25);padding:26px 0 78px}.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(247,255,254,.2)}.footer-brand strong{display:block;color:#fff}.footer-brand span{display:block;font-size:12px;opacity:.85}.footer-logo-slot{height:28px;min-width:66px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px 0}.footer-grid h2{font-size:13px;color:#fff;margin:0 0 10px}.footer-grid a{display:block;font-size:13px;padding:3px 0;color:#D4EFEC}.footer-note,.copyright{font-size:13px}.copyright{margin-top:8px;opacity:.8}.overlay{position:fixed;inset:0;background:rgba(6,43,39,.42);z-index:55;opacity:0;pointer-events:none;transition:.18s}.overlay.show{opacity:1;pointer-events:auto}.drawer-panel{position:fixed;z-index:60;left:50%;bottom:0;width:min(720px,100%);max-height:70vh;transform:translate(-50%,105%);background:var(--porcelain);border:1px solid var(--border-strong);border-bottom:0;border-radius:16px 16px 0 0;box-shadow:0 -18px 60px rgba(10,107,94,.18);visibility:hidden;pointer-events:none;transition:transform .22s,visibility .22s}.drawer-panel.open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{height:62px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-body{padding:16px 18px 24px;overflow:auto;max-height:calc(70vh - 62px)}.drawer-body section + section{margin-top:18px}.drawer-body h2{font-size:14px;margin:0 0 8px;color:var(--dark)}.drawer-body a{display:grid;grid-template-columns:120px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.drawer-body a b{color:var(--title)}.drawer-body a span{font-size:13px;color:var(--muted)}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--border-strong);border-radius:10px;background:#fff;color:var(--dark)}.search-layer{position:fixed;z-index:62;left:0;right:0;top:82px;padding:12px 16px;visibility:hidden;pointer-events:none;transform:translateY(-18px);opacity:0;transition:.18s}.search-layer.open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(720px,100%);margin:0 auto;background:#fff;border:1px solid var(--border-strong);border-radius:14px;box-shadow:var(--shadow);padding:16px}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.search-card label{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}.search-card input{width:100%;height:44px;border:1px solid var(--border-strong);border-radius:10px;padding:0 12px;color:var(--title);background:var(--porcelain)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{padding:8px 10px;background:var(--soft);border-radius:8px;color:var(--dark)}.ui-locked{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:800px){.mirror-tabs{display:none}.page-main{padding-top:98px}.wrap{width:min(calc(100% - 32px),var(--wrap))}.curtain-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}.brand-link{min-width:0}.logo-image{max-width:104px}.drawer-trigger{min-width:72px}.app-link{padding:0 10px}.card-grid,.two-col{grid-template-columns:1fr}.shelf{grid-template-columns:1fr 1fr}.image-260{height:220px}.footer-grid{grid-template-columns:1fr 1fr}.drawer-panel{left:0;width:100%;max-height:78vh;transform:translateY(105%)}.drawer-panel.open{transform:translateY(0)}.drawer-body{max-height:calc(78vh - 62px)}.drawer-body a{grid-template-columns:96px 1fr}.search-layer{top:0;bottom:0;padding:0;background:var(--dark)}.search-card{width:100%;height:100%;border:0;border-radius:0;background:var(--dark);color:#fff;padding:calc(22px + env(safe-area-inset-top)) 16px 20px}.search-head strong,.search-card label{color:#fff}.search-card .close-button{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}.search-card input{background:#fff;border-color:#fff}.search-presets a{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.18)}.mobile-bottom{position:fixed;z-index:44;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);min-height:48px}.mobile-bottom a.active{background:var(--brand);color:#fff}.site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.hero-copy{text-align:left}.btn-row{justify-content:flex-start}.number-item{grid-template-columns:44px 1fr}.footer-brand{padding-top:4px}}
@media(max-width:520px){.shelf{grid-template-columns:1fr}.card{padding:14px}.content-card{padding:18px}.section{padding:20px 0}.qingline-inner{width:calc(100% - 24px)}.curtain-inner{width:calc(100% - 24px)}.app-link{font-size:13px}.hero-cover{padding-top:18px}.image-260{height:190px}.image-200{height:170px}.image-180{height:160px}.footer-grid{grid-template-columns:1fr 1fr;gap:14px}.drawer-body a{grid-template-columns:1fr}.drawer-body a span{margin-top:-6px}}