:root{
  --bg:#F3FBFA;--deep:#DCEFED;--surface:#FFFFFF;--soft:#E6F4F2;--title:#12312E;--text:#1E3F3B;--muted:#4A6E6A;--aux:#6F908C;
  --brand:#1A8A80;--bright:#2BB3A6;--dark:#0E6B63;--gold:#C9A24A;--ink:#0A3A36;--line:rgba(26,138,128,.18);--shadow:0 12px 28px rgba(10,58,54,.08);
  --glow:0 6px 16px rgba(26,138,128,.18);--radius:12px;--max:960px;
}
*{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","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:1000;background:#fff;color:var(--ink);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.qing-edge{position:fixed;top:0;left:0;right:0;height:18px;background:var(--ink);color:#fff;z-index:120;font-size:12px}.bar-inner,.header-inner,.dot-nav-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;padding:0 4px;cursor:pointer;font-size:12px;height:18px}.site-header{position:fixed;top:18px;left:0;right:0;height:54px;background:rgba(243,251,250,.97);border-bottom:1px solid var(--line);z-index:115;backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;min-height:44px}.brand-logo{height:24px;width:auto;object-fit:contain}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}.header-actions{display:flex;align-items:center;gap:8px}.header-app,.menu-button{height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 14px;font-size:14px;white-space:nowrap}.header-app{background:linear-gradient(135deg,#2BB3A6 0%,#1A8A80 52%,#0E6B63 100%);color:#fff;box-shadow:var(--glow)}.menu-button{background:#fff;color:var(--dark);border:1px solid var(--line);cursor:pointer}.dot-nav{position:fixed;top:72px;left:0;right:0;height:44px;background:var(--soft);border-bottom:1px solid var(--line);z-index:110}.dot-nav-inner{justify-content:flex-start;gap:24px}.dot-item{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 10px;border-radius:18px;font-size:13px;color:var(--dark)}.dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--brand);background:transparent;flex:0 0 10px}.dot-item.active{background:var(--dark);color:#fff;box-shadow:var(--glow)}.dot-item.active .dot{background:#fff;border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.28)}.site-main{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:142px 0 64px}.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--aux);font-size:13px;margin:0 0 18px}.breadcrumb a{color:var(--dark)}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:var(--title);margin-bottom:14px}h2{font-size:20px;line-height:1.4;color:var(--title);margin-bottom:12px}h3{font-size:16px;line-height:1.45;color:var(--title);margin-bottom:8px}p{margin-bottom:14px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--dark);font-weight:700;font-size:13px;margin-bottom:10px}.lead{font-size:16px;color:var(--muted);max-width:760px}.section{margin:34px 0}.section-tight{margin:24px 0}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.soft-panel{background:var(--soft);border-radius:var(--radius);padding:20px}.deep-panel{background:var(--deep);border-radius:var(--radius);padding:20px}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn-primary,.btn-secondary{min-height:40px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:10px;font-size:14px;font-weight:700;transition:filter 180ms ease,box-shadow 180ms ease,transform 180ms ease}.btn-primary{background:linear-gradient(135deg,#2BB3A6 0%,#1A8A80 52%,#0E6B63 100%);color:#fff;box-shadow:var(--glow)}.btn-secondary{background:#fff;color:var(--dark);border:1px solid var(--line)}.btn-primary:hover,.header-app:hover,.dot-item.active:hover,.mobile-bottom a.active:hover{filter:brightness(1.06);box-shadow:0 0 0 3px rgba(43,179,166,.28),0 10px 24px rgba(14,107,99,.28)}.btn-primary:active,.header-app:active,.dot-item.active:active,.mobile-bottom a.active:active{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(43,179,166,.40),0 0 22px rgba(43,179,166,.55)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #2BB3A6;outline-offset:2px}.media-slot{width:100%;height:168px;background:linear-gradient(180deg,#F3FBFA,#E6F4F2);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.small{height:160px}.media-slot.dot-slot{width:240px;height:176px;border-radius:88px 88px 20px 20px}.media-slot.app-vertical{width:240px;height:320px}.media-slot.banner{width:100%;height:200px}.media-slot.icon-slot{width:64px;height:64px;border-radius:18px;padding:8px}.media-slot.icon-slot img{width:48px;height:48px}.two-index{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.two-index a{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:var(--dark);font-size:13px}.two-index .mini-dot{width:8px;height:8px;border-radius:50%;background:var(--brand)}.split-cut{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:center}.double-green{display:grid;grid-template-columns:1.06fr .94fr;gap:16px}.green-story{background:var(--surface);border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;padding:18px 18px 18px 20px;box-shadow:var(--shadow)}.green-story.alt{border-left-color:var(--gold);background:#fffdf7}.dot-pages{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dot-page-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;overflow:hidden}.dot-page-card:before{content:"";position:absolute;width:20px;height:20px;border-radius:50%;background:var(--bright);right:18px;top:18px;box-shadow:0 0 0 8px rgba(43,179,166,.12)}.status-list{display:grid;gap:10px}.status-item{display:grid;grid-template-columns:112px 1fr;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px}.status-badge{display:inline-flex;align-items:center;justify-content:center;min-height:34px;border-radius:999px;background:var(--dark);color:#fff;font-size:13px;font-weight:700;padding:0 10px}.status-badge.gold{background:#7b6324}.status-badge.soft{background:var(--brand)}.longread{max-width:760px}.longread p{font-size:15px}.longread .note{border-left:3px solid var(--gold);padding:12px 16px;background:#fffdf7;border-radius:0 10px 10px 0}.topic-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.topic-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.topic-item a{color:var(--dark);font-weight:700}.mirror-list{display:grid;gap:14px}.mirror-row{display:grid;grid-template-columns:140px 1fr;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.mirror-mark{height:100%;min-height:88px;border-radius:10px;background:linear-gradient(135deg,var(--deep),var(--soft));display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:800}.wrap-app{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}.app-visuals{display:grid;gap:12px;justify-items:start}.app-copy .feature-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.feature-chip{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px}.clause-list{display:grid;gap:14px}.clause{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.clause h2{display:flex;gap:9px;align-items:center}.clause h2:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand)}.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}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.contact-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.contact-card strong{color:var(--title)}.about-principles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.principle{background:#fff;border-top:3px solid var(--brand);border-radius:10px;padding:18px;box-shadow:var(--shadow)}.home-intro{padding:10px 0 4px}.home-intro .main-sentence{font-size:20px;color:var(--dark);font-weight:800;margin-bottom:12px}.home-section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px}.home-section-head a{font-size:13px;color:var(--dark)}.home-topic-lines{display:grid;gap:10px}.home-topic-line{display:grid;grid-template-columns:130px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}.home-topic-line:last-child{border-bottom:0}.home-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.home-faq article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.brand-story{background:linear-gradient(135deg,var(--deep),#fff);border:1px solid var(--line);border-radius:12px;padding:22px}.brand-story .brand-media{width:220px;float:right;margin:0 0 12px 20px}.clear{clear:both}.site-footer{background:var(--ink);color:#DCEFED;border-top:1px solid rgba(43,179,166,.35);font-size:13px;padding:34px 0 calc(34px + env(safe-area-inset-bottom))}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand span{color:#a8d3cf}.footer-logo{height:24px;width:auto;object-fit:contain}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.footer-links section{display:grid;gap:6px;align-content:start}.footer-links h2{color:#fff;font-size:14px;margin-bottom:4px}.footer-links a{color:#DCEFED}.footer-note{margin:24px 0 8px;color:#c1dcd9}.copyright{margin:0;color:#98bfbb}.page-overlay{position:fixed;inset:0;background:rgba(4,25,23,.48);z-index:190;opacity:0;visibility:hidden;pointer-events:none;transition:opacity 180ms ease,visibility 180ms ease}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;left:16px;top:82px;width:36%;max-width:440px;min-width:320px;max-height:70vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 60px rgba(10,58,54,.24);z-index:210;transform:translateX(calc(-100% - 32px));visibility:hidden;pointer-events:none;transition:transform 180ms ease,visibility 180ms ease}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);z-index:1}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:24px;width:auto;object-fit:contain}.close-button{min-height:40px;padding:0 12px;border-radius:9px;background:#fff;border:1px solid var(--line);color:var(--dark);cursor:pointer}.drawer-groups{padding:14px 16px 18px;display:grid;gap:18px}.drawer-groups h2{font-size:14px;margin-bottom:8px;color:var(--muted)}.drawer-groups section{display:grid;gap:6px}.drawer-groups a{display:grid;gap:1px;padding:9px 10px;border-radius:9px}.drawer-groups a:hover{background:var(--soft)}.drawer-groups small{font-size:12px;color:var(--aux)}.search-panel{position:fixed;top:82px;left:50%;width:min(640px,calc(100% - 32px));z-index:205;transform:translate(-50%,-18px);opacity:0;visibility:hidden;pointer-events:none;transition:all 180ms ease}.search-panel.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 60px rgba(10,58,54,.2);padding:18px}.search-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.search-head p{margin:2px 0 0;color:var(--muted)}.search-card label{display:block;margin-top:14px;font-size:13px;color:var(--muted)}.search-card input{width:100%;height:44px;margin:6px 0 12px;border:1px solid var(--line);border-radius:10px;padding:0 12px;color:var(--text);background:#fff}.search-links{display:flex;gap:8px;flex-wrap:wrap}.search-links a{min-height:40px;padding:0 13px;display:inline-flex;align-items:center;border-radius:999px;background:var(--soft);color:var(--dark)}body.panel-open{overflow:hidden}.mobile-bottom{display:none}
@media (max-width:720px){
  .dot-nav{display:none}.header-app,.menu-button{height:44px}.site-main{padding-top:96px;padding-bottom:82px}.header-inner,.bar-inner{width:calc(100% - 32px)}.header-app,.menu-button{padding:0 11px}.split-cut,.double-green,.dot-pages,.wrap-app,.contact-grid,.about-principles{grid-template-columns:1fr}.media-slot.dot-slot,.media-slot.app-vertical{width:100%;max-width:300px;margin-inline:auto}.topic-directory{grid-template-columns:1fr}.mirror-row{grid-template-columns:1fr}.app-copy .feature-list{grid-template-columns:1fr}.home-faq{grid-template-columns:1fr}.home-topic-line{grid-template-columns:1fr;gap:2px}.brand-story .brand-media{float:none;width:100%;margin:0 0 16px}.footer-links{grid-template-columns:1fr 1fr}.drawer{left:0;top:72px;width:86%;min-width:0;max-height:70vh;border-radius:0 14px 14px 0}.search-panel{inset:0;width:100%;transform:none;background:var(--ink);padding:calc(26px + env(safe-area-inset-top)) 16px 76px;overflow:auto}.search-panel.is-open{transform:none}.search-card{background:transparent;border:0;box-shadow:none;color:#fff;padding:0}.search-head strong,.search-head p,.search-card label{color:#fff}.search-card input{background:#fff;color:var(--ink)}.search-links a{background:#fff;color:var(--dark)}.search-card .close-button{background:transparent;border-color:rgba(255,255,255,.35);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);background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:160}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.active{background:var(--dark);color:#fff;box-shadow:var(--glow)}.status-item{grid-template-columns:1fr}.footer-inner{padding-bottom:48px}}
@media (max-width:430px){.footer-links{grid-template-columns:1fr}.site-main{width:calc(100% - 32px)}.home-section-head{align-items:flex-start;flex-direction:column;gap:4px}}