:root{
  --bg:#F3FBFA;--deep:#E4F4F1;--card:#FFFFFF;--soft:#D4EFEC;--ink:#0D2E2B;--text:#163834;--muted:#4A706C;--aux:#6A8E89;--brand:#0E9A88;--bright:#1EC8B6;--dark:#0A6B5E;--porcelain:#F7FFFE;--line:rgba(14,154,136,.16);--line-strong:rgba(14,154,136,.42);--shadow:0 12px 28px rgba(10,107,94,.08);--max:1120px;
}
*{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","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}.skip-link{position:fixed;left:12px;top:-80px;z-index:300;background:#fff;color:var(--dark);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.topline{position:fixed;top:0;left:0;right:0;height:22px;background:var(--dark);color:#fff;z-index:120}.topline-inner{max-width:var(--max);height:22px;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.search-open{position:relative;border:0;background:transparent;color:#fff;padding:0 6px;min-height:22px;cursor:pointer}.search-open:after{content:"";position:absolute;inset:-11px -8px}.mastbar{position:fixed;top:22px;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--line);z-index:119}.mastbar-inner{max-width:var(--max);height:60px;margin:auto;padding:0 16px;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}.brand-logo,.footer-logo,.drawer-brand img{height:28px;width:auto;object-fit:contain;object-position:center}.brand-text{font-size:16px;font-weight:800;color:var(--ink)}.drawer-open{justify-self:center;height:44px;padding:0 18px;border:1px solid var(--line-strong);border-radius:12px;background:var(--porcelain);color:var(--dark);cursor:pointer;display:flex;align-items:center;gap:8px}.app-link{justify-self:end;min-height:44px;padding:0 14px;border-radius:11px;display:flex;align-items:center;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff;font-size:14px;font-weight:700}.quicknav{position:fixed;top:82px;left:0;right:0;height:40px;background:var(--porcelain);border-bottom:1px solid var(--line);z-index:118}.quicknav-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:8px}.quicknav a{min-height:32px;padding:5px 14px;border-radius:10px;font-size:13px;color:var(--dark)}.quicknav a.is-current{background:var(--brand);color:#fff}.site-main{padding-top:122px;min-height:70vh}.container{max-width:var(--max);margin:0 auto;padding:0 16px}.page-head{padding:42px 0 26px}.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--brand);font-weight:800;margin-bottom:8px}.page-head h1,.hero-copy h1{font-size:24px;line-height:1.3;margin:0 0 12px;color:var(--ink)}h2{font-size:20px;line-height:1.35;color:var(--ink);margin:0 0 12px}h3{font-size:16px;line-height:1.45;color:var(--ink);margin:0 0 8px}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);max-width:820px}.section{padding:28px 0}.section.alt{background:var(--deep)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-head p{margin:0;color:var(--muted);max-width:680px}.media-slot{background:var(--porcelain);border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-260{height:260px}.slot-200{height:200px}.slot-180{height:180px}.slot-app{height:360px}.hero{padding:28px 0 38px}.hero-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:14px}.hero-copy{padding:22px 8px 8px;max-width:800px}.hero-copy p{color:var(--muted)}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{height:42px;padding:0 17px;border-radius:11px;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(--line-strong);color:var(--dark)}.cards-3,.cards-4,.cards-2{display:grid;gap:16px}.cards-3{grid-template-columns:repeat(3,1fr)}.cards-4{grid-template-columns:repeat(4,1fr)}.cards-2{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.card .media-slot{margin:-4px -4px 16px}.card p{color:var(--muted)}.number-list{display:grid;gap:12px}.number-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;grid-template-columns:52px 1fr;gap:14px;align-items:start}.number{font-size:24px;line-height:1;font-weight:900;color:var(--brand)}.number-item p{color:var(--muted);margin:0}.shelf{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.shelf a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;min-height:120px}.shelf a span{display:block;font-size:12px;color:var(--brand);font-weight:800;margin-bottom:6px}.shelf a p{color:var(--muted);margin:0}.timeline{position:relative;display:grid;gap:14px;padding-left:24px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line-strong)}.timeline-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.timeline-item:before{content:"";position:absolute;left:-23px;top:20px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--bg)}.status{display:inline-block;border:1px solid var(--line-strong);background:var(--porcelain);color:var(--dark);font-size:12px;padding:3px 8px;border-radius:999px;margin-bottom:8px}.prose{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.prose p,.prose li{color:var(--text)}.prose h2:not(:first-child){margin-top:26px}.prose ul,.prose ol{padding-left:1.3em}.note{background:var(--soft);border-left:3px solid var(--brand);padding:14px 16px;border-radius:10px;color:var(--text)}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2,.faq-item h3{margin-bottom:8px}.faq-item p{margin:0;color:var(--muted)}.app-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}.app-icon-line{display:flex;align-items:center;gap:12px;margin-bottom:14px}.app-icon-line img{width:48px;height:48px;object-fit:contain}.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.link-grid a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.link-grid strong{display:block;color:var(--ink);margin-bottom:5px}.link-grid span{font-size:13px;color:var(--muted)}.site-footer{background:var(--dark);color:#D4EFEC;border-top:1px solid rgba(247,255,254,.25);padding:34px 0 calc(28px + env(safe-area-inset-bottom));font-size:13px}.footer-inner{max-width:var(--max);margin:auto;padding:0 16px}.footer-brand{border-bottom:1px solid rgba(247,255,254,.2);padding-bottom:20px}.footer-brand-line{display:flex;align-items:center;gap:10px;margin-bottom:10px}.footer-brand-line strong{font-size:16px;color:#fff}.footer-brand p{max-width:820px;margin:0;color:#D4EFEC}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:22px 0}.footer-groups h2{font-size:13px;color:#fff;margin:0 0 8px}.footer-groups a{display:block;padding:4px 0;color:#D4EFEC}.footer-bottom{border-top:1px solid rgba(247,255,254,.2);padding-top:14px;display:flex;gap:14px;flex-wrap:wrap}.page-overlay{position:fixed;inset:0;background:rgba(4,38,33,.34);z-index:150;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer-panel{position:fixed;left:50%;bottom:0;transform:translate(-50%,105%);width:min(720px,100%);max-height:70vh;background:#fff;border:1px solid var(--line);border-radius:18px 18px 0 0;z-index:170;box-shadow:0 -16px 42px rgba(10,107,94,.16);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow:auto}.drawer-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-close,.search-close{min-height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--dark);cursor:pointer}.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding:18px}.drawer-grid section{background:var(--porcelain);border:1px solid var(--line);border-radius:12px;padding:14px}.drawer-grid section h2{font-size:14px}.drawer-grid a{display:block;padding:9px 8px;border-radius:9px}.drawer-grid a:hover{background:var(--soft)}.drawer-grid b{display:block;color:var(--ink);font-size:14px}.drawer-grid span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.search-layer{position:fixed;top:82px;left:0;right:0;z-index:165;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:760px;margin:12px auto 0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-card p{color:var(--muted)}.search-presets{display:flex;gap:8px;flex-wrap:wrap}.search-presets a{min-height:40px;padding:8px 12px;border-radius:10px;background:var(--porcelain);border:1px solid var(--line);color:var(--dark)}.mobile-bottom{display:none}.btn:hover,.app-link:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible{outline:3px solid rgba(30,200,182,.45);outline-offset:2px}
@media(max-width:820px){.cards-3,.cards-4{grid-template-columns:1fr 1fr}.shelf{grid-template-columns:1fr 1fr}.app-layout{grid-template-columns:1fr}.app-layout .slot-app{max-width:420px}.link-grid{grid-template-columns:1fr 1fr}.footer-groups{grid-template-columns:1fr 1fr}}
@media(max-width:640px){body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.quicknav{display:none}.site-main{padding-top:82px}.mastbar-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:6px}.brand-logo{max-width:104px}.drawer-open{padding:0 12px}.app-link{padding:0 10px}.hero{padding-top:18px}.slot-260{height:210px}.cards-3,.cards-4,.cards-2,.shelf,.link-grid{grid-template-columns:1fr}.slot-180{height:170px}.section{padding:24px 0}.page-head{padding:30px 0 18px}.number-item{grid-template-columns:44px 1fr}.drawer-panel{left:0;transform:translate(0,105%);width:100%;max-height:78vh}.drawer-panel.is-open{transform:translate(0,0)}.drawer-grid{grid-template-columns:1fr;padding:14px}.search-layer{top:0;bottom:0;background:var(--dark);padding:84px 16px 16px}.search-card{margin:0;background:var(--dark);border-color:rgba(255,255,255,.2);color:#fff;box-shadow:none}.search-card strong,.search-card p{color:#fff}.search-close{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}.search-presets a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#fff}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);z-index:140;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--dark)}.mobile-bottom a.is-current{background:var(--brand);color:#fff}.site-footer{padding-bottom:74px}.section-head{align-items:start;flex-direction:column}.footer-groups{grid-template-columns:1fr 1fr}.footer-bottom{padding-bottom:10px}}
@media(max-width:380px){.brand-link{min-width:0}.brand-logo{max-width:82px}.drawer-open{padding:0 9px}.app-link{padding:0 8px;font-size:13px}.footer-groups{grid-template-columns:1fr}}

.mt-14{margin-top:14px}.mt-16{margin-top:16px}