:root{
  --bg:#F3FBFA;--bg-deep:#E4F4F1;--surface:#FFFFFF;--surface-soft:#D4EFEC;--ink:#0D2E2B;--text:#163834;--muted:#4A706C;--soft:#6A8E89;--brand:#0E9A88;--brand-bright:#1EC8B6;--brand-deep:#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);--radius:12px;--max: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","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;overflow-x:hidden;padding-top:122px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{display:block;max-width:100%;height:auto}
.skip-link{position:fixed;left:16px;top:-60px;z-index:1200;background:var(--surface);color:var(--brand-deep);padding:10px 14px;border-radius:8px;border:1px solid var(--line-strong)}
.skip-link:focus{top:8px}
.cyan-line{position:fixed;inset:0 0 auto 0;height:22px;background:var(--brand-deep);color:#fff;z-index:1000;font-size:12px}
.top-inner,.stage-inner,.quick-tabs-inner,.footer-inner,.page-wrap{max-width:var(--max);margin:0 auto;padding-left:16px;padding-right:16px}
.top-inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.top-search-button{border:0;background:transparent;color:#fff;min-height:22px;padding:0 6px;cursor:pointer}
.stage-header{position:fixed;left:0;right:0;top:22px;height:60px;background:var(--surface);border-bottom:1px solid var(--line);z-index:990}
.stage-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.brand-link{justify-self:start;display:flex;align-items:center;gap:8px;min-height:44px}
.brand-logo-slot,.drawer-logo-slot,.footer-logo-slot{display:flex;align-items:center;justify-content:center;min-width:28px;min-height:28px}
.brand-logo,.drawer-logo,.footer-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.brand-text{font-size:16px;font-weight:800;color:var(--ink)}
.drawer-trigger,.app-link,.panel-close{min-height:44px;border-radius:10px;padding:0 16px;font-weight:700;cursor:pointer}
.drawer-trigger{justify-self:center;border:1px solid var(--line-strong);background:var(--porcelain);color:var(--brand-deep)}
.app-link{justify-self:end;display:inline-flex;align-items:center;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff}
.quick-tabs{position:fixed;left:0;right:0;top:82px;height:40px;background:var(--porcelain);border-bottom:1px solid var(--line);z-index:980}
.quick-tabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}
.quick-tabs a{display:flex;align-items:center;min-height:32px;padding:0 16px;border-radius:9px;color:var(--text);font-size:13px}
.quick-tabs a.is-active{background:var(--brand);color:#fff}
.site-main{min-height:60vh;padding-bottom:40px}
.page-wrap{padding-top:30px;padding-bottom:28px}
.page-head{margin:0 0 24px}
.eyebrow{margin:0 0 8px;color:var(--brand-deep);font-weight:800;letter-spacing:.08em;font-size:13px}
h1,h2,h3{color:var(--ink);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.4;margin-bottom:12px}h3{font-size:16px;line-height:1.5;margin-bottom:8px}p{margin:0 0 14px}.lead{max-width:820px;color:var(--muted);font-size:16px}.muted{color:var(--muted)}
.hero{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:26px}
.hero-media,.media-slot{display:flex;align-items:center;justify-content:center;background:var(--porcelain);border-bottom:1px solid var(--line);overflow:hidden}
.hero-media{height:260px}.hero-media img,.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.hero-copy{padding:22px}.hero-copy p{max-width:860px}.hero-title{font-size:22px;font-weight:900;color:var(--ink);margin-bottom:8px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:10px;font-size:14px;font-weight:800}.btn-primary{background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff}.btn-secondary{background:#fff;color:var(--brand-deep);border:1px solid var(--line-strong)}
.btn:hover,.btn:focus-visible,.app-link:hover,.app-link:focus-visible,.drawer-trigger:hover,.drawer-trigger:focus-visible,.quick-tabs a:hover,.quick-tabs a:focus-visible,.footer-grid a:hover,.footer-grid a:focus-visible{outline:none;transform:translateY(-1px);filter:saturate(1.05)}
.section{margin:30px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}.section-head p{margin:0;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-body{padding:18px}.card .media-slot{height:180px}.card p:last-child{margin-bottom:0}
.feature{display:grid;grid-template-columns:1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feature .media-slot{height:200px}.feature-copy{padding:20px}.number-list{display:grid;gap:10px;margin:18px 0 0}.number-row{display:grid;grid-template-columns:54px 1fr;gap:12px;align-items:start;padding:12px 0;border-top:1px solid var(--line)}.number{font-weight:900;color:var(--brand);font-size:18px;letter-spacing:.08em}
.rack-list{display:grid;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.rack-row{display:grid;grid-template-columns:minmax(130px,.7fr) 1.7fr auto;gap:16px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}.rack-row:last-child{border-bottom:0}.rack-row strong{color:var(--ink)}.rack-tag{font-size:12px;color:var(--brand-deep);background:var(--surface-soft);padding:4px 8px;border-radius:999px}
.timeline{position:relative;display:grid;gap:14px;padding-left:20px}.timeline:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:var(--line-strong)}.timeline-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}.timeline-item:before{content:"";position:absolute;left:-20px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--bg)}.status{display:inline-flex;font-size:12px;font-weight:800;color:#fff;background:var(--brand);padding:3px 8px;border-radius:999px;margin-bottom:8px}
.note-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.note-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.note-card p:last-child{margin-bottom:0}
.app-feature{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.app-visual{height:340px;background:var(--porcelain);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.app-visual img{width:100%;height:100%;object-fit:contain}.app-icon{width:48px;height:48px;object-fit:contain;margin-bottom:10px}
.content-section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:0 0 16px}.content-section p:last-child{margin-bottom:0}.content-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.index-link{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.index-link span{display:block;color:var(--muted);margin-top:4px}.big-number-list{display:grid;gap:14px}.big-number-item{display:grid;grid-template-columns:72px 1fr;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.big-number-item .number{font-size:28px}.terms{display:grid;gap:14px}.term{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.term h2{margin-bottom:10px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.faq-item h2{font-size:17px}.contact-path{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.site-footer{background:var(--brand-deep);color:#D4EFEC;border-top:1px solid rgba(247,255,254,.35);padding:30px 0 calc(30px + env(safe-area-inset-bottom))}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand strong{display:block;color:#fff;font-size:16px}.footer-brand span{display:block;font-size:12px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-grid h2{font-size:13px;color:#fff;margin-bottom:8px}.footer-grid a{display:block;font-size:13px;padding:3px 0;color:#D4EFEC}.footer-note,.copyright{font-size:13px;margin-top:20px;margin-bottom:0}.copyright{opacity:.88;margin-top:8px}
.overlay{position:fixed;inset:0;background:rgba(13,46,43,.5);z-index:1050;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.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:var(--surface);z-index:1060;border-radius:16px 16px 0 0;box-shadow:0 -18px 50px rgba(13,46,43,.18);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s}.drawer-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-handle{width:44px;height:4px;background:var(--line-strong);border-radius:99px;margin:8px auto 2px}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:8px;color:var(--ink)}.panel-close{border:1px solid var(--line-strong);background:var(--porcelain);color:var(--brand-deep)}.drawer-scroll{overflow:auto;max-height:calc(70vh - 66px);padding:8px 16px 24px}.drawer-group{padding:10px 0;border-bottom:1px solid var(--line)}.drawer-group:last-child{border-bottom:0}.drawer-group h2{font-size:14px;margin-bottom:6px;color:var(--brand-deep)}.drawer-group a{display:grid;grid-template-columns:100px 1fr;gap:10px;padding:10px 8px;border-radius:9px}.drawer-group a:hover,.drawer-group a:focus-visible{background:var(--bg-deep);outline:none}.drawer-group a strong{color:var(--ink)}.drawer-group a span{color:var(--muted);font-size:13px}
.search-layer{position:fixed;left:0;right:0;top:82px;z-index:1070;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{max-width:720px;margin:10px auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head h2{margin:0}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:10px;background:var(--porcelain);border:1px solid var(--line-strong);color:var(--brand-deep);font-weight:700}
.mobile-bottom-nav{display:none}.modal-open{overflow:hidden}
.empty-media{color:var(--soft);font-size:13px;text-align:center;padding:12px}.mini-media{height:180px;background:var(--porcelain);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.mini-media img{width:100%;height:100%;object-fit:contain;object-position:center}
@media (max-width:820px){
  body{padding-top:82px;padding-bottom:calc(56px + env(safe-area-inset-bottom))}.quick-tabs{display:none}.stage-header{top:22px}.stage-inner{padding-left:10px;padding-right:10px;gap:8px}.brand-text{font-size:15px}.brand-logo-slot{min-width:24px}.brand-logo{height:26px}.drawer-trigger,.app-link{padding:0 12px}.page-wrap{padding-top:24px}.card-grid{grid-template-columns:1fr}.card .media-slot{height:180px}.content-columns,.note-grid,.contact-path,.index-grid{grid-template-columns:1fr}.app-feature{grid-template-columns:1fr}.app-visual{height:320px}.rack-row{grid-template-columns:1fr;gap:6px}.rack-tag{justify-self:start}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.drawer-panel{max-height:78vh}.drawer-scroll{max-height:calc(78vh - 66px)}.drawer-group a{grid-template-columns:90px 1fr}.search-layer{top:0;bottom:0;background:var(--brand-deep);padding:0}.search-card{max-width:none;margin:0;min-height:100%;border:0;border-radius:0;box-shadow:none;background:var(--brand-deep);color:#fff;padding:88px 16px 30px}.search-card h2,.search-card p{color:#fff}.search-card .panel-close{background:#fff;color:var(--brand-deep)}.search-presets a{background:#fff;color:var(--brand-deep);border-color:#fff}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:940;display:grid;grid-template-columns:repeat(5,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;font-size:12px;min-width:0}.mobile-bottom-nav a.is-active{background:var(--brand);color:#fff}.hero-media{height:260px}.hero-copy{padding:18px}.section{margin:24px 0}.section-head{display:block}.big-number-item{grid-template-columns:58px 1fr}.footer-inner{padding-bottom:8px}
}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr 1fr}.drawer-group a{grid-template-columns:1fr;gap:2px}.card .media-slot{height:170px}.app-visual{height:300px}.button-row{display:grid;grid-template-columns:1fr}.btn{width:100%}}

.stack-gap{margin-top:14px}