: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)}
*{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","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}.shell{width:min(1120px,calc(100% - 32px));margin-inline:auto}.topline{position:fixed;z-index:120;top:0;left:0;right:0;height:22px;background:var(--dark);color:#fff;font-size:12px}.topline-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;min-width:44px;height:22px;cursor:pointer}.masthead{position:fixed;z-index:119;top:22px;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--line)}.masthead-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;min-height:44px;font-weight:800;color:var(--ink);font-size:16px}.brand-image-slot{display:inline-flex;align-items:center}.brand-logo{height:28px;width:auto;object-fit:contain;object-position:center}.brand-image-slot:empty{display:none}.brand-image-slot:not(:empty)+.brand-fallback{display:none}.drawer-button{min-width:86px;height:44px;border:1px solid var(--line-strong);border-radius:12px;background:var(--porcelain);color:var(--dark);font-weight:800;cursor:pointer}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-width:88px;height:44px;border-radius:12px;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff;font-size:14px;font-weight:800}.quick-tabs{position:fixed;z-index:118;top:82px;left:0;right:0;height:40px;background:var(--porcelain);border-bottom:1px solid var(--line)}.quick-tabs-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:6px}.quick-tabs a{display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 18px;border-radius:999px;font-size:13px;color:var(--dark)}.quick-tabs a.is-active{background:var(--brand);color:#fff}.site-main{padding-top:122px;min-height:60vh}.page{padding:36px 0 64px}.page-head{margin-bottom:24px}.eyebrow{margin:0 0 8px;color:var(--brand);font-weight:800;font-size:13px;letter-spacing:.08em}.page h1{margin:0;color:var(--ink);font-size:24px;line-height:1.3}.page h2{margin:0 0 12px;color:var(--ink);font-size:20px;line-height:1.4}.page h3{margin:0 0 8px;color:var(--ink);font-size:16px}.lead{max-width:780px;margin:12px 0 0;color:var(--muted)}.hero-image,.media-slot,.app-shot{display:flex;align-items:center;justify-content:center;width:100%;background:var(--porcelain);border:1px solid var(--line);border-radius:14px;overflow:hidden}.hero-image{height:260px}.hero-image img,.media-slot img,.app-shot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot{height:180px}.media-slot.is-200{height:200px}.app-shot{height:360px}.hero-copy{text-align:center;padding:24px 0 0}.hero-copy h1{margin:0 0 10px}.hero-copy .tagline{font-size:20px;font-weight:850;color:var(--ink);margin:0 0 8px}.hero-copy p{max-width:820px;margin:0 auto;color:var(--muted)}.button-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 18px;border-radius:12px;font-size:14px;font-weight:800;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)}.section-block{margin-top:34px}.grid-3,.grid-2,.grid-4{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.card p{margin:0;color:var(--muted)}.card .media-slot{margin-bottom:14px}.number{display:inline-flex;align-items:center;justify-content:center;width:42px;height:28px;border-radius:999px;background:var(--brand);color:#fff;font-size:13px;font-weight:900;margin-bottom:12px}.feature-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:20px;align-items:center}.feature-copy p{margin:0 0 12px}.shelf{display:grid;gap:10px}.shelf-item{display:grid;grid-template-columns:90px 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}.shelf-item strong{color:var(--ink)}.shelf-item span{color:var(--muted)}.shelf-item em{font-style:normal;color:var(--brand);font-size:13px;font-weight:800}.large-number-list{display:grid;gap:10px}.large-number-item{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px}.large-number-item b{display:flex;align-items:center;justify-content:center;height:44px;border-radius:10px;background:var(--soft);color:var(--dark);font-size:18px}.large-number-item p{margin:4px 0 0;color:var(--muted)}.timeline{position:relative;padding-left:26px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--line-strong)}.timeline-item{position:relative;margin:0 0 16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.timeline-item:before{content:"";position:absolute;left:-23px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:var(--soft);color:var(--dark);font-size:12px;font-weight:900}.note{padding:16px 18px;border-left:4px solid var(--brand);background:var(--porcelain);border-radius:0 12px 12px 0;color:var(--muted)}.prose{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.prose p{margin:0 0 14px}.prose p:last-child{margin-bottom:0}.prose ul{margin:0;padding-left:1.2em}.prose li+li{margin-top:8px}.index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.index-link{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.index-link strong{display:block;color:var(--ink);margin-bottom:4px}.index-link span{color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2{font-size:16px;margin-bottom:8px}.faq-item p{margin:0;color:var(--muted)}.site-footer{background:var(--dark);color:#D4EFEC;border-top:1px solid rgba(247,255,254,.22);font-size:13px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px;padding:34px 0}.footer-grid h2{font-size:13px;margin:0 0 8px;color:#fff}.footer-grid a{display:block;padding:4px 0;color:#D4EFEC}.footer-brand p{max-width:420px;margin:14px 0 0}.footer-logo-row{display:flex;align-items:center;gap:10px}.footer-logo-row strong,.footer-logo-row small{display:block;color:#fff}.footer-bottom{padding:14px 0 20px;border-top:1px solid rgba(247,255,254,.16)}.overlay{position:fixed;z-index:200;inset:0;background:rgba(4,39,34,.45);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible}.drawer-panel{position:fixed;z-index:210;left:50%;bottom:0;width:min(720px,calc(100% - 24px));max-height:70vh;transform:translate(-50%,105%);background:#fff;border:1px solid var(--line);border-radius:18px 18px 0 0;box-shadow:0 -16px 40px rgba(10,107,94,.18);visibility:hidden;pointer-events:none;transition:.24s ease;overflow:auto}.drawer-panel.is-open{transform:translate(-50%,0);visibility:visible}.drawer-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#fff;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:8px;color:var(--ink)}.close-button{min-width:64px;height:40px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--dark);cursor:pointer}.drawer-groups{padding:14px 18px 24px}.drawer-group{padding:8px 0}.drawer-group h2{font-size:13px;color:var(--brand);margin:0 0 8px}.drawer-group a{display:block;padding:10px 0;border-bottom:1px solid var(--line)}.drawer-group a:last-child{border-bottom:0}.drawer-group strong{display:block;color:var(--ink)}.drawer-group span{display:block;color:var(--muted);font-size:13px}.search-layer{position:fixed;z-index:205;top:82px;left:0;right:0;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.is-open{visibility:visible;opacity:1}.search-card{background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 16px 16px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.search-head strong{color:var(--ink);font-size:18px}.search-head p{margin:4px 0 0;color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-presets a{display:inline-flex;align-items:center;height:40px;padding:0 14px;border:1px solid var(--line-strong);border-radius:999px;color:var(--dark);background:var(--porcelain)}.mobile-bottom{display:none}.btn:hover,.app-link:hover,.drawer-button:hover,.quick-tabs a:hover,.index-link:hover,.footer-grid a:hover,.search-presets a:hover{filter:brightness(.98);transform:translateY(-1px)}a:focus-visible,button:focus-visible{outline:3px solid rgba(30,200,182,.35);outline-offset:2px}
@media(max-width:860px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand{grid-column:1/-1}.feature-row{grid-template-columns:1fr}.index-grid{grid-template-columns:1fr}}
@media(max-width:680px){body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.shell{width:min(100% - 32px,1120px)}.quick-tabs{display:none}.site-main{padding-top:82px}.masthead-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand-link{min-width:0}.brand-fallback{font-size:16px;white-space:nowrap}.drawer-button{min-width:70px}.app-link{min-width:70px;padding:0 10px}.page{padding:24px 0 48px}.hero-image{height:260px}.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}.shelf-item{grid-template-columns:68px 1fr}.shelf-item em{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr;gap:18px}.footer-brand{grid-column:1/-1}.drawer-panel{width:100%;max-height:78vh;border-radius:18px 18px 0 0}.search-layer{top:0;bottom:0;background:var(--dark);padding-top:22px;overflow:auto}.search-card{width:100%;min-height:100%;border:0;border-radius:0;background:var(--dark);color:#fff;box-shadow:none;padding-top:70px}.search-head strong,.search-head p{color:#fff}.search-presets a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3);color:#fff}.search-layer .close-button{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}.mobile-bottom{position:fixed;z-index:117;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--dark)}.mobile-bottom a.is-active{background:var(--brand);color:#fff}.footer-bottom{padding-bottom:68px}}
@media(max-width:420px){.brand-logo{max-width:92px}.drawer-button,.app-link{min-width:64px;font-size:13px}.hero-copy .tagline{font-size:18px}.page h1{font-size:24px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

.shelf-spaced{margin-top:14px}.timeline-spaced{margin-top:16px}.app-title-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.icon-slot{width:48px;height:48px;flex:0 0 48px}.icon-slot img{width:48px;height:48px;object-fit:contain}.button-row-start{justify-content:flex-start}.inner-visual{margin:0 0 22px}.inner-visual .media-slot{height:200px}