:root{
  --bg:#E8F4F0;--bg-deep:#C8E4DC;--surface:#F4FAF8;--surface-2:#DCEEE8;
  --title:#16382E;--text:#245044;--muted:#4A7468;--soft:#6A9488;--green:#2A8A72;--green2:#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);
  --top:20px;--head:54px;--dots:48px;--max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;background:var(--bg)}
html.lock-scroll,html.lock-scroll body{overflow:hidden}
body{margin:0;min-width: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:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:3px solid rgba(196,160,80,.55);outline-offset:2px}
button{font:inherit}
img{display:block;max-width:100%}
.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:var(--surface);color:var(--title);padding:10px 14px;border-radius:8px}
.skip-link:focus{top:8px}
.top-strip{position:fixed;top:0;left:0;right:0;height:20px;background:var(--green);color:var(--surface);z-index:80;font-size:12px}
.top-strip-inner{max-width:var(--max);height:100%;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}
.plain-action{height:20px;border:0;background:transparent;color:var(--surface);padding:0 4px;cursor:pointer;font-size:12px}
.site-header{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--surface);border-bottom:1px solid var(--border-strong);z-index:79}
.header-inner{max-width:var(--max);height:100%;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand-link,.drawer-brand{display:flex;align-items:center;color:var(--title);min-height:44px}
.logo-slot-small{height:24px;min-width:72px;display:flex;align-items:center}
.brand-logo{height:24px;width:auto;max-width:150px;object-fit:contain;object-position:center}
.brand-fallback{font-weight:800;font-size:16px;letter-spacing:.04em}
.header-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.header-app-link,.menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border-radius:10px;font-size:14px}
.header-app-link{color:var(--title);border:1px solid var(--border-strong);background:var(--surface)}
.menu-button{border:0;background:linear-gradient(135deg,#2A8A72 0%,#3AA88A 100%);color:var(--surface);cursor:pointer}
.dot-nav{position:fixed;top:74px;left:0;right:0;height:48px;background:var(--surface);z-index:78;border-bottom:1px solid var(--border)}
.dot-nav-inner{max-width:720px;height:100%;margin:auto;display:flex;align-items:flex-end;justify-content:space-between;padding:0 20px 6px;position:relative}
.dot-nav-inner:before{content:"";position:absolute;left:8%;right:8%;top:21px;height:24px;border-top:1px solid rgba(42,138,114,.24);border-radius:50% 50% 0 0/100% 100% 0 0}
.dot-item{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:1px;color:var(--muted);font-size:13px;min-width:64px;min-height:40px;justify-content:flex-end}
.dot-item:hover{text-decoration:none;color:var(--title)}
.dot-rise{transform:translateY(-4px)}
.dot-mark{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--surface)}
.dot-item.is-active{font-weight:800;color:var(--title)}
.dot-item.is-active .dot-mark{width:14px;height:14px;background:var(--green2)}
.site-main{padding-top:122px;min-height:70vh}
.section-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto;padding:42px 0}
.section-shell+.section-shell{border-top:1px solid var(--border)}
.eyebrow{margin:0 0 8px;color:var(--green);font-weight:800;letter-spacing:.08em;font-size:13px}
h1,h2,h3{color:var(--title);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:16px}h2{font-size:20px;line-height:1.4;margin-bottom:12px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}
p{margin:0 0 14px}.lead{font-size:16px;line-height:1.8;max-width:760px;color:var(--text)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading>span,.shelf-head>div>span,.app-copy>span{color:var(--green);font-size:13px;font-weight:800}.section-heading h2{margin:0}
.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-size:14px;font-weight:700;white-space:nowrap;min-width:110px}
.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,#2A8A72 0%,#3AA88A 100%);color:var(--surface)}.btn-secondary{background:var(--surface);border:1px solid var(--green);color:var(--title)}
.text-link{display:inline-flex;min-height:44px;align-items:center;font-weight:700}
.image-slot{background:var(--surface);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.content-image{width:100%;height:100%;object-fit:contain;object-position:center}.strip-image-slot{height:164px}.record-image-slot{height:190px}.clip-image-slot{height:200px}.wide-contain-slot{height:210px}.shelf-head-image{height:150px}.app-image-slot{height:320px}.narrow-banner-slot{height:220px}.centered-image-slot{height:240px}.about-banner-slot{height:200px}.icon-slot{width:64px;height:64px;border-radius:14px;background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center}.app-icon{width:48px;height:48px;object-fit:contain}.large-icon-slot{width:80px;height:80px}
.home-intro{padding-top:50px;padding-bottom:48px}.home-dot-index{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:28px}.home-dot-index a{display:inline-flex;align-items:center;gap:7px;color:var(--muted);min-height:44px}.home-dot-index i{width:10px;height:10px;background:var(--green);border-radius:50%}.home-intro h1{font-size:30px;max-width:640px}.home-intro .btn{margin-top:8px}
.split-strip{display:grid;grid-template-columns:1.1fr .9fr;background:var(--surface-2);border:1px solid var(--border);border-radius:14px;overflow:hidden;min-height:164px}.split-strip-copy{padding:24px}.split-strip .strip-image-slot{border:0;border-left:1px solid var(--border);border-radius:0;height:100%;min-height:164px}.split-strip-stack{display:grid;gap:18px}.split-strip-stack .split-strip{grid-template-columns:1.2fr .8fr}.split-strip.reverse{grid-template-columns:.8fr 1.2fr}.split-strip.reverse .split-strip-copy{order:2}.plain-panel{display:flex;flex-direction:column;justify-content:center;padding:24px;background:var(--surface);border-right:1px solid var(--border)}.split-strip.reverse .plain-panel{border-right:0;border-left:1px solid var(--border)}
.vertical-records{display:grid;gap:14px}.record-row{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px;position:relative}.record-row:before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--green);border-radius:4px}.record-with-image{display:grid;grid-template-columns:230px 1fr;gap:22px}.record-with-image:before{display:none}
.clip-page-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.clip-page{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.clip-page .clip-image-slot{margin:-6px -6px 18px}.clip-page a{display:inline-flex;align-items:center;min-height:44px;font-weight:700}.detail-clips .clip-page{min-height:310px}
.shelf-head{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center;margin-bottom:18px}.shelf-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.shelf-cards article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}
.three-phase{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.three-phase article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px}.status-list{display:grid;gap:10px;margin-top:16px}.status-list>div{display:grid;grid-template-columns:100px 1fr;gap:16px;padding:14px 16px;border-radius:10px;background:var(--surface);border:1px solid var(--border)}.status-list b{color:var(--green)}
.app-feature,.app-page-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center}.app-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.app-visual,.app-page-visual{display:flex;flex-direction:column;align-items:center;gap:14px}.app-visual .app-image-slot,.app-page-visual .app-image-slot{width:100%}.app-page-layout{padding-top:50px}.app-page-copy h2{margin-top:24px}
.reading-notes p,.brand-intro p{max-width:860px}.faq-compact{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:12px}.faq-compact article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px}.brand-intro{padding-bottom:56px}
.inner-hero{padding-top:48px;padding-bottom:30px}.inner-hero .wide-contain-slot,.inner-hero .narrow-banner-slot{margin-bottom:24px}.narrow-hero .lead{max-width:800px}.single-column{max-width:760px}
.prose-stack{display:grid;gap:18px}.prose-stack article,.legal-sections article{background:var(--surface);border-left:4px solid var(--green);padding:22px 24px;border-radius:0 12px 12px 0}.legal-sections{display:grid;gap:16px}.legal-sections article:nth-child(even){border-left-color:var(--gold)}
.phase-ledger{display:grid;gap:18px}.phase-ledger article{display:grid;grid-template-columns:90px 1fr;column-gap:20px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px}.phase-ledger article>span{grid-row:1/4;color:var(--green);font-weight:900;font-size:18px}.phase-ledger article h2,.phase-ledger article p{grid-column:2}.phase-ledger article p{max-width:760px}
.status-timeline{display:grid;gap:14px}.status-row{display:grid;grid-template-columns:120px 1fr;gap:22px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.status-row>b{color:var(--green);font-size:16px}
.checklist-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}.checklist-layout article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}.checklist-layout ul{padding-left:20px;margin:0 0 14px}.checklist-layout li{margin-bottom:8px}
.method-flow{display:grid;gap:20px}.method-flow article{display:grid;grid-template-columns:70px 1fr;gap:20px}.method-flow article>span{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--green);color:var(--surface);font-weight:900}.method-flow article>div{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}
.topic-list-layout{display:grid;gap:12px}.topic-list-layout article{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--border)}.topic-list-layout article h2{margin:0}
.centered-cards-page{text-align:center;max-width:860px}.centered-cards-page .lead{margin-left:auto;margin-right:auto}.centered-cards-page .centered-image-slot{margin:24px auto;max-width:680px}.center-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;text-align:left}.center-card-grid article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.center-card-grid article a{display:inline-flex;align-items:center;min-height:44px;font-weight:700}.centered-note{margin-top:24px;background:var(--surface-2);border-radius:14px;padding:24px;text-align:left}
.prose-grid-two,.help-grid,.contact-paths{display:grid;grid-template-columns:1fr 1fr;gap:16px}.prose-grid-two article,.help-grid article,.contact-paths article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.help-grid article a{display:inline-flex;min-height:44px;align-items:center;font-weight:700}
.faq-full{display:grid;gap:14px}.faq-full article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}.faq-full h2{font-size:17px}.faq-full p{margin-bottom:0}
.about-hero{padding-top:48px}.about-banner-slot{margin-bottom:24px}.about-sections{display:grid;grid-template-columns:1fr 1fr;gap:18px}.about-sections article{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}.about-brand-visual{grid-column:1/-1}.about-brand-visual .wide-contain-slot{margin-bottom:18px}
.site-footer{background:var(--title);color:var(--bg);border-top:1px solid rgba(244,250,248,.35);padding:34px 0 calc(34px + env(safe-area-inset-bottom));font-size:13px}.footer-inner{max-width:var(--max);margin:auto;padding:0 16px}.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}.footer-brand>div{display:flex;flex-direction:column}.footer-brand strong{font-size:16px;color:var(--surface)}.footer-brand span{color:var(--bg)}.footer-logo-slot{width:84px;min-height:24px}.footer-logo{filter:none}.footer-links-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px 0;border-top:1px solid rgba(244,250,248,.22);border-bottom:1px solid rgba(244,250,248,.22)}.footer-links-grid h2{color:var(--surface);font-size:13px;margin-bottom:8px}.footer-links-grid a{display:block;color:var(--bg);min-height:30px}.footer-note{margin:22px 0 8px;max-width:800px}.footer-copy{margin:0;color:rgba(232,244,240,.78)}
.overlay{position:fixed;inset:0;background:rgba(14,39,32,.38);z-index:150;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;pointer-events:auto}.overlay[hidden]{display:block;visibility:hidden}
.site-drawer{position:fixed;left:0;top:74px;width:min(36vw,420px);min-width:320px;max-height:calc(100vh - 90px);overflow:auto;background:var(--surface);z-index:170;border-radius:0 14px 14px 0;box-shadow:var(--shadow);transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.site-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--surface);display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);z-index:2}.drawer-brand{gap:8px}.drawer-close,.search-head button{height:44px;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface);color:var(--title);padding:0 12px;cursor:pointer}.drawer-body{padding:14px 16px 24px}.drawer-group{padding:10px 0;border-bottom:1px solid var(--border)}.drawer-group:last-child{border-bottom:0}.drawer-group h2{font-size:13px;color:var(--green);margin-bottom:8px}.drawer-group a{display:grid;grid-template-columns:90px 1fr;gap:8px;color:var(--title);padding:8px 0}.drawer-group a span{color:var(--muted);font-size:13px}
.search-panel{position:fixed;left:0;right:0;top:74px;z-index:165;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(calc(100% - 32px),760px);margin:auto;background:var(--surface);border:1px solid var(--border-strong);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;color:var(--title)}
.mobile-bottom{display:none}
@media (max-width:760px){
  :root{--dots:0px}.dot-nav{display:none}.site-main{padding-top:74px;padding-bottom:64px}.section-shell{width:calc(100% - 32px);padding:34px 0}.home-intro{padding-top:40px}.home-intro h1{font-size:26px}
  .section-heading{display:block}.section-heading>span{display:block;margin-bottom:6px}.split-strip,.split-strip-stack .split-strip,.split-strip.reverse,.record-with-image,.shelf-head,.app-feature,.app-page-layout,.clip-page-grid,.shelf-cards,.three-phase,.faq-compact,.checklist-layout,.center-card-grid,.prose-grid-two,.help-grid,.contact-paths,.about-sections{grid-template-columns:1fr}
  .split-strip.reverse .split-strip-copy{order:0}.plain-panel,.split-strip.reverse .plain-panel{border:0;border-top:1px solid var(--border)}.split-strip .strip-image-slot{border:0;border-top:1px solid var(--border)}
  .record-image-slot{height:180px}.wide-contain-slot{height:190px}.centered-image-slot{height:210px}.app-page-visual{order:-1}.app-image-slot{height:300px;max-width:320px}.shelf-head-image{height:180px}
  .phase-ledger article,.status-row,.method-flow article,.topic-list-layout article{grid-template-columns:1fr}.phase-ledger article>span{grid-row:auto}.phase-ledger article h2,.phase-ledger article p{grid-column:auto}.method-flow article>span{width:48px;height:48px}.topic-list-layout article{gap:8px}
  .site-drawer{top:74px;width:min(86vw,380px);min-width:0;max-height:calc(100vh - 96px)}.drawer-group a{grid-template-columns:82px 1fr}
  .search-panel{inset:0;top:0;background:var(--green);display:flex;align-items:flex-start;padding:20px 16px;overflow:auto}.search-panel .search-card{width:100%;margin-top:58px;border-radius:14px;background:var(--green);border-color:rgba(244,250,248,.42);color:var(--surface);box-shadow:none}.search-head strong,.search-panel p{color:var(--surface)}.search-head button{background:transparent;color:var(--surface);border-color:rgba(244,250,248,.6)}.search-presets a{background:var(--surface);color:var(--title);border-color:transparent}
  .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);display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border-top:1px solid var(--border-strong);z-index:120}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:var(--title);font-size:13px}.mobile-bottom a.is-active{background:var(--green);color:var(--surface);font-weight:800}.mobile-bottom a:hover{text-decoration:none}
  .footer-links-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:calc(82px + env(safe-area-inset-bottom))}
}
@media (max-width:420px){.header-inner{padding:0 12px}.header-app-link,.menu-button{padding:0 9px}.brand-logo{max-width:110px}.home-dot-index{gap:10px}.home-dot-index a{font-size:13px}.footer-links-grid{gap:14px}.drawer-group a{grid-template-columns:74px 1fr}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}