:root{
  --bg:#E8F4F0;
  --bg-deep:#C8E4DC;
  --panel:#F4FAF8;
  --panel-soft:#DCEEE8;
  --title:#16382E;
  --text:#245044;
  --muted:#4A7468;
  --faint:#6A9488;
  --green:#2A8A72;
  --green-2:#3AA88A;
  --gold:#C4A050;
  --border:rgba(22,56,46,.12);
  --border-strong:rgba(42,138,114,.48);
  --shadow:0 12px 28px rgba(22,56,46,.08);
  --radius:12px;
  --max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--green)}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;object-fit:contain;object-position:center}
:focus-visible{outline:3px solid rgba(42,138,114,.30);outline-offset:3px}
.ui-locked{overflow:hidden}

.site-top{position:fixed;top:0;left:0;right:0;z-index:80;box-shadow:0 5px 20px rgba(22,56,46,.05)}
.top-strip{height:20px;background:var(--green);color:var(--panel);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - var(--max))/2));font-size:12px;line-height:20px}
.top-brand{color:var(--panel);white-space:nowrap}
.top-brand:hover{color:#fff}
.search-open{border:0;background:transparent;color:var(--panel);height:20px;padding:0 2px;font-size:12px}
.brand-bar{height:54px;background:var(--panel);border-bottom:1px solid rgba(42,138,114,.2);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - var(--max))/2))}
.brand-mark{display:flex;align-items:center;min-height:44px;color:var(--title);font-size:16px;font-weight:800;letter-spacing:.02em}
.logo-image,.footer-logo{height:24px;width:auto;max-width:180px;object-fit:contain}
.brand-actions{display:flex;align-items:center;gap:8px}
.app-link,.drawer-open{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:10px;font-size:14px;font-weight:700}
.app-link{background:linear-gradient(135deg,var(--green),var(--green-2));color:var(--panel)}
.app-link:hover{color:#fff;filter:brightness(.98)}
.drawer-open{border:1px solid var(--border-strong);background:var(--panel);color:var(--title)}
.dot-nav{height:48px;background:var(--panel);display:flex;align-items:center;justify-content:center;gap:46px;border-bottom:1px solid var(--border)}
.dot-link{position:relative;min-height:44px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.dot-link .dot{width:10px;height:10px;border-radius:50%;background:var(--bg-deep);border:2px solid var(--green)}
.dot-link.is-raised{transform:translateY(-4px)}
.dot-link.is-active{font-weight:800;color:var(--title)}
.dot-link.is-active .dot{width:14px;height:14px;background:var(--green)}

.site-main{max-width:var(--max);margin:0 auto;padding:150px 0 64px}
.hero,.section-block,.page-head{margin:0 0 24px}
.page-head,.hero{padding:40px 36px;background:linear-gradient(145deg,var(--panel),var(--panel-soft));border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}
.page-head.narrow,.hero.intro-hero{padding-right:11%;padding-left:11%}
.page-head.centered{text-align:center}
.page-head.about-head{margin-bottom:16px}
.eyebrow{margin:0 0 8px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
h1,h2,h3{color:var(--title);margin-top:0;line-height:1.3}
h1{font-size:24px;margin-bottom:14px}
h2{font-size:20px;margin-bottom:10px}
h3{font-size:16px;margin-bottom:8px}
p{margin:0 0 12px}.lead{font-size:15px;line-height:1.8;max-width:760px}.centered .lead{margin-left:auto;margin-right:auto}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{height:42px;min-width:112px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px;font-weight:800;white-space:nowrap}
.btn.primary{background:linear-gradient(135deg,var(--green) 0%,var(--green-2) 100%);color:var(--panel)}
.btn.primary:hover{color:#fff;transform:translateY(-1px)}
.btn.secondary{background:var(--panel);border:1px solid var(--green);color:var(--title)}
.text-link{display:inline-flex;align-items:center;min-height:44px;color:var(--green);font-weight:800}.text-link::after{content:"→";margin-left:6px}

.mini-dot-index{display:flex;gap:22px;flex-wrap:wrap;margin-bottom:20px}
.mini-dot-index a{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);min-height:32px}
.mini-dot-index i{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(42,138,114,.1)}

.section-block{background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:28px 30px}
.section-heading{margin-bottom:18px}.section-heading>p:last-child{color:var(--muted)}
.media-slot{background:var(--panel-soft);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.fixed-164{height:164px}.record-media{min-height:190px}.clip-media{height:210px}.shelf-head-media{height:190px;margin-bottom:18px}.period-media{height:210px;margin-bottom:18px}.status-media{height:190px;margin-bottom:18px}.wide-contained{height:260px;margin:0 0 24px;background:var(--panel);border-color:var(--border)}.centered-media{height:240px;margin:0 auto 24px}.banner-200{height:200px;margin:0 0 24px}.app-portrait{height:320px}.icon-48{width:48px;height:48px;min-height:48px;flex:0 0 48px;border-radius:12px}.brand-cover{height:260px}

.split-band{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch;padding:0;overflow:hidden}
.split-copy{padding:28px 0 28px 30px}.split-media{background:var(--panel-soft);padding:18px;display:flex;align-items:center}.split-media .media-slot{width:100%}
.vertical-records{position:relative}.vertical-records::before{content:"";position:absolute;left:49px;top:95px;bottom:32px;width:2px;background:var(--bg-deep)}
.record-item{position:relative;margin-left:42px;padding:20px 0 22px 22px;border-bottom:1px solid var(--border)}
.record-item:last-child{border-bottom:0}.record-item::before{content:"";position:absolute;left:-29px;top:29px;width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px var(--panel)}
.record-item.with-media{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px}.record-item a{color:var(--green);font-weight:800}
.clip-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;margin-bottom:18px}.clip-grid:last-child{margin-bottom:0}.clip-grid.reversed{grid-template-columns:.9fr 1.1fr}.clip-card{background:var(--panel-soft);border:1px solid var(--border);padding:18px;border-radius:12px}.clip-card.text-only{display:flex;flex-direction:column;justify-content:center}.clip-card .media-slot{margin-bottom:16px}.clip-card a{color:var(--green);font-weight:800}
.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.two-cards article,.centered-cards article,.method-grid article,.feature-lines article,.contact-cards article{background:var(--panel-soft);border:1px solid var(--border);border-radius:12px;padding:20px}.two-cards a,.centered-cards a{color:var(--green);font-weight:800}
.period-review{display:grid;grid-template-columns:1fr 1fr;gap:18px}.period-review .period-copy,.period-review .period-rows,.period-review>.text-link{grid-column:1}.period-review .period-media{grid-column:2;grid-row:1 / span 2}.period-rows article{display:flex;gap:14px;border-top:1px solid var(--border);padding:14px 0}.period-rows article>span{flex:0 0 52px;color:var(--green);font-weight:800}.period-rows p{color:var(--muted)}
.status-list{display:grid;gap:12px}.status-list>div{display:grid;grid-template-columns:90px 1fr;align-items:center;gap:16px;padding:14px 0;border-top:1px solid var(--border)}.status-list p{margin:0}.status{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:800}.status.done{background:rgba(58,168,138,.15);color:#236957}.status.doing{background:rgba(196,160,80,.16);color:#745C1F}.status.checking{background:rgba(42,138,114,.12);color:#1C6D59}.status.pending{background:rgba(106,148,136,.15);color:#486C63}
.app-feature{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center}.app-name-row{display:flex;align-items:center;gap:12px;margin:14px 0 16px}.app-media{padding:14px;background:var(--panel-soft);border-radius:12px}
.number-list{margin:0;padding-left:24px}.number-list li{padding:10px 0;border-bottom:1px solid var(--border)}.number-list li:last-child{border-bottom:0}
.faq-compact,.faq-full{display:grid;gap:10px}.faq-compact details,.faq-full details{background:var(--panel-soft);border:1px solid var(--border);border-radius:12px;padding:0 16px}.faq-compact summary,.faq-full summary{cursor:pointer;color:var(--title);font-weight:800;padding:14px 28px 14px 0;min-height:48px}.faq-compact p,.faq-full p{padding:0 0 14px;margin:0}.brand-about{background:linear-gradient(145deg,var(--panel-soft),var(--panel))}

.open-bars{padding:0;overflow:hidden}.open-bars article{display:grid;grid-template-columns:120px 1fr;border-bottom:1px solid var(--border)}.open-bars article:last-child{border-bottom:0}.bar-label{background:var(--bg-deep);color:var(--title);font-weight:800;padding:24px 20px;display:flex;align-items:flex-start;justify-content:center}.open-bars article>div:last-child{padding:22px 26px}
.note-panel{border-left:4px solid var(--gold)}
.method-grid,.feature-lines,.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.method-grid article{padding:18px}.feature-lines article{padding:18px}.contact-cards{grid-template-columns:1fr 1fr}.privacy-card{background:var(--panel-soft)}
.single-flow{display:grid;gap:0;padding-top:10px;padding-bottom:10px}.single-flow article{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--border)}.single-flow article:last-child{border-bottom:0}.single-flow article>span,.method-no{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--green);color:var(--panel);font-weight:800}
.period-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.period-columns article{background:var(--panel-soft);border:1px solid var(--border);border-radius:12px;padding:20px}.period-tag{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--green);color:var(--panel);font-size:12px;font-weight:800;margin-bottom:12px}
.status-timeline{display:grid;gap:12px}.status-timeline article{display:grid;grid-template-columns:110px 1fr;gap:20px;align-items:flex-start;padding:18px;background:var(--panel-soft);border-radius:12px;border:1px solid var(--border)}
.checklist-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}.checklist-layout article{border:1px solid var(--border);border-radius:12px;background:var(--panel-soft);padding:20px}.check-list{padding-left:20px;margin:0 0 14px}.check-list li{margin:7px 0}
.method-stack{display:grid;gap:14px}.method-stack article{display:grid;grid-template-columns:60px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--border)}.method-stack article:last-child{border-bottom:0}
.topic-list{display:grid;gap:12px}.topic-list article{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:20px;background:var(--panel-soft);border:1px solid var(--border);border-radius:12px}.topic-list article>span{color:var(--green);font-weight:800}.topic-list a{color:var(--green);font-weight:800}
.centered-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.centered-cards article{text-align:center}.centered-cards article p{text-align:left}
.policy-sections{display:grid;gap:14px}.policy-sections article{padding:2px 0 18px;border-bottom:1px solid var(--border)}.policy-sections article:last-child{border-bottom:0;padding-bottom:0}
.help-rows{display:grid;gap:12px}.help-rows article{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:start;padding:18px;background:var(--panel-soft);border-radius:12px;border:1px solid var(--border)}.help-rows article>div{display:flex;flex-direction:column;gap:8px}.help-rows a{color:var(--green);font-weight:800;white-space:nowrap}
.faq-full{padding:20px}.faq-full details{background:var(--panel)}
.brand-statements{display:grid;grid-template-columns:1fr 1fr;gap:18px}.brand-statements article{padding:20px;background:var(--panel-soft);border-radius:12px;border:1px solid var(--border)}.brand-statements article:first-child{grid-column:1 / -1}

.site-footer{background:var(--title);color:var(--bg);border-top:1px solid rgba(244,250,248,.38);font-size:13px;padding:34px 0 calc(34px + env(safe-area-inset-bottom))}.footer-inner{max-width:var(--max);margin:0 auto}.footer-brand-row{padding-bottom:18px;border-bottom:1px solid rgba(244,250,248,.18);margin-bottom:18px}.footer-brand{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.footer-brand strong{font-size:16px}.footer-brand span{color:#BFD8D0}.footer-logo{filter:none}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups section{display:flex;flex-direction:column;gap:7px}.footer-groups h2{font-size:13px;color:#fff;margin:0 0 4px}.footer-groups a{color:#DDEDE8;min-height:28px}.footer-groups a:hover{color:#fff}.footer-note{margin:22px 0 8px;color:#D4E8E2}.copyright{color:#BFD8D0;margin:0}

.overlay{position:fixed;inset:0;background:rgba(22,56,46,.34);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}
.site-drawer{position:fixed;left:0;top:0;z-index:100;width:min(36vw,420px);min-width:320px;max-height:92vh;background:var(--panel);box-shadow:20px 0 44px rgba(22,56,46,.18);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow-y:auto;border-radius:0 0 14px 0}.site-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 16px;background:var(--panel);border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800}.drawer-close,.search-head button{min-height:40px;border:1px solid var(--border-strong);border-radius:9px;background:var(--panel);color:var(--title);padding:0 12px}.drawer-groups{padding:12px 16px 18px}.drawer-groups section{margin-bottom:16px}.drawer-groups h2{font-size:13px;color:var(--green);margin-bottom:8px}.drawer-groups a{display:grid;grid-template-columns:72px 1fr;gap:8px;min-height:48px;padding:8px 0;border-bottom:1px solid var(--border)}.drawer-groups b{font-size:14px;color:var(--title)}.drawer-groups span{font-size:12px;color:var(--muted)}

.search-panel{position:fixed;left:0;right:0;top:74px;z-index:95;visibility:hidden;opacity:0;pointer-events:none;transition:.18s ease}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:var(--max);margin:0 auto;background:var(--panel);border:1px solid var(--border);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.search-head h2{margin:0}.search-card label{display:block;color:var(--muted);margin-bottom:8px}.search-card input{width:100%;height:44px;border:1px solid var(--border-strong);border-radius:10px;background:#fff;padding:0 12px;color:var(--title)}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 13px;border-radius:9px;background:var(--panel-soft);border:1px solid var(--border);font-weight:700}.search-hint{font-size:12px;color:var(--faint);margin:10px 0 0}
.mobile-bottom{display:none}

@media (max-width: 820px){
  .dot-nav{display:none}
  .site-main{padding-top:98px;padding-left:16px;padding-right:16px;padding-bottom:80px}
  .top-strip,.brand-bar{padding-left:16px;padding-right:16px}
  .page-head,.hero,.section-block{padding-left:20px;padding-right:20px}
  .page-head.narrow,.hero.intro-hero{padding-left:20px;padding-right:20px}
  .split-band,.app-feature,.period-review{grid-template-columns:1fr}
  .split-copy{padding:22px 20px 0}.split-media{padding:16px 20px 22px}
  .period-review .period-copy,.period-review .period-rows,.period-review>.text-link,.period-review .period-media{grid-column:1;grid-row:auto}
  .period-review .period-media{order:2}.period-review .period-rows{order:3}.period-review>.text-link{order:4}
  .record-item.with-media{grid-template-columns:1fr}.record-media{height:210px}
  .clip-grid,.clip-grid.reversed,.two-cards,.checklist-layout,.centered-cards,.brand-statements,.contact-cards{grid-template-columns:1fr}
  .brand-statements article:first-child{grid-column:auto}
  .method-grid,.feature-lines{grid-template-columns:1fr}
  .period-columns{grid-template-columns:1fr}
  .open-bars article{grid-template-columns:86px 1fr}.bar-label{padding:22px 10px}
  .help-rows article{grid-template-columns:1fr}.help-rows article>div{flex-direction:row;flex-wrap:wrap}
  .site-drawer{width:82vw;min-width:0;max-width:420px;height:auto;max-height:92vh}
  .search-panel{top:74px;bottom:0;background:var(--green)}
  .search-card{height:100%;border-radius:0;background:var(--green);color:var(--panel);padding:22px 16px;box-shadow:none;border:0}
  .search-head h2,.search-card label,.search-hint{color:var(--panel)}
  .search-head button{background:transparent;color:var(--panel);border-color:rgba(244,250,248,.55)}
  .search-presets a{background:rgba(244,250,248,.12);border-color:rgba(244,250,248,.35);color:var(--panel)}
  .search-presets a:hover{color:#fff;background:rgba(244,250,248,.18)}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:75;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--panel);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:var(--muted)}
  .mobile-bottom a.is-active{background:var(--green);color:var(--panel);font-weight:800}
  .site-footer{padding-left:16px;padding-right:16px;padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .footer-groups{grid-template-columns:1fr 1fr}
}

@media (max-width: 520px){
  .top-brand{max-width:62vw;overflow:hidden;text-overflow:ellipsis}
  .brand-mark{max-width:42vw}.brand-mark .logo-image{max-width:100%}
  .brand-actions{gap:6px}.app-link,.drawer-open{padding:0 11px}
  h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}
  .page-head,.hero{padding-top:28px;padding-bottom:28px}
  .section-block{padding-top:22px;padding-bottom:22px}
  .mini-dot-index{gap:12px 16px}
  .vertical-records::before{left:31px;top:92px}.record-item{margin-left:24px;padding-left:18px}.record-item::before{left:-19px}
  .single-flow article,.method-stack article{grid-template-columns:44px 1fr;gap:12px}
  .status-timeline article{grid-template-columns:1fr;gap:10px}
  .status-timeline .status{width:max-content}
  .status-list>div{grid-template-columns:1fr;gap:8px}.status-list .status{width:max-content}
  .topic-list article{grid-template-columns:1fr;gap:8px}.topic-list article>span{font-size:12px}
  .open-bars article{grid-template-columns:1fr}.bar-label{justify-content:flex-start;padding:12px 18px}.open-bars article>div:last-child{padding:18px}
  .footer-groups{grid-template-columns:1fr 1fr;gap:22px 14px}
  .app-portrait{height:300px}.wide-contained,.centered-media,.brand-cover{height:220px}.banner-200{height:200px}
}