:root{
    --bg:#E4E8EA;--deep:#C8D0D4;--paper:#F2F5F6;--soft:#D6DDE0;
    --title:#1E2A2E;--text:#2E3C42;--muted:#5A6A70;--faint:#7A8A90;
    --teal:#5A7A80;--steel:#6A8890;--copper:#B88860;--white:#F2F5F6;
    --border:rgba(30,42,46,.12);--focus:rgba(90,122,128,.48);--shadow:0 12px 28px rgba(30,42,46,.08);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}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}body.lock-scroll{overflow:hidden}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%;object-fit:contain;object-position:center}button{font:inherit}.shell{width:min(960px,calc(100% - 32px));margin:0 auto}.shell-narrow{width:min(720px,calc(100% - 32px));margin:0 auto}.site-top{position:fixed;top:0;left:0;right:0;z-index:60}.microbar{height:20px;background:var(--teal);color:var(--white);font-size:12px}.microbar-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--white);padding:0 6px;min-height:20px;cursor:pointer}.brandbar{height:54px;background:var(--white);border-bottom:1px solid rgba(184,136,96,.42)}.brandbar-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px}.brand-name{font-size:16px;font-weight:700;color:var(--title)}.brand-logo{height:24px;width:auto}.logo-slot{display:inline-flex;align-items:center;min-width:1px;min-height:24px}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-button,.button{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:6px;font-size:14px;white-space:nowrap;cursor:pointer}.app-link,.button.primary{background:linear-gradient(135deg,var(--teal) 0%,var(--copper) 100%);color:var(--white);border:1px solid transparent}.menu-button,.button.secondary{background:var(--white);color:var(--title);border:1px solid var(--teal)}.app-link:hover,.button.primary:hover{filter:brightness(.97)}.menu-button:hover,.button.secondary:hover{background:var(--soft)}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.quicktracks{height:44px;background:var(--white);border-bottom:1px solid var(--border)}.quicktracks-inner{height:44px;display:flex;justify-content:center;gap:36px;align-items:flex-start}.quicktrack{width:88px;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:13px;color:var(--muted);padding-top:6px}.quicktrack span{display:block;width:88px;height:4px;border-radius:4px;background:var(--deep)}.quicktrack.is-current span{height:6px;background:var(--copper)}.quicktrack.is-current b{color:var(--title)}.site-main{padding-top:118px;min-height:60vh}.section{padding:38px 0}.section.compact{padding:28px 0}.surface{background:var(--paper);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:6px}.eyebrow{font-size:12px;color:var(--teal);font-weight:700;letter-spacing:.08em}.page-head{padding:34px 0 20px}.page-head h1,.hero h1{font-size:24px;line-height:1.3;color:var(--title);margin:8px 0 12px}.page-head p,.hero p{max-width:760px;margin:0;color:var(--muted)}h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 12px}h3{font-size:16px;line-height:1.5;color:var(--title);margin:0 0 8px}p{margin:0 0 12px}.hero{padding:40px 0 34px}.home-index{display:flex;gap:18px;margin-bottom:18px}.home-index a{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.home-index a i{display:block;width:88px;height:4px;border-radius:4px;background:var(--deep)}.hero .lead{font-size:18px;color:var(--title);font-weight:700}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.stagger{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}.stagger .card:nth-child(2){margin-top:34px}.card{padding:18px;background:var(--paper);border:1px solid var(--border);border-radius:6px;box-shadow:var(--shadow)}.media-slot{background:var(--white);border:1px solid var(--border);border-radius:6px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot.tall{height:180px}.media-slot.medium{height:200px}.media-slot.app{height:300px}.media-slot.icon{width:48px;height:48px;flex:0 0 48px}.media-slot img{width:100%;height:100%;object-fit:contain}.horizontal-records{display:grid;gap:12px}.record{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center;padding:16px 0;border-top:1px solid var(--border)}.record:first-child{border-top:0}.record .media-slot{height:130px}.fold{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:6px;overflow:hidden;background:var(--paper);box-shadow:var(--shadow)}.fold article{padding:22px}.fold article+article{border-left:1px solid var(--border)}.fold .media-slot{height:170px;margin-bottom:14px}.two-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.topic-head{display:grid;grid-template-columns:190px 1fr;gap:20px;align-items:center;margin-bottom:18px}.topic-head .media-slot{height:150px}.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period{padding:18px;border-top:4px solid var(--teal);background:var(--paper);border-radius:4px;box-shadow:var(--shadow)}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:14px 16px;background:var(--paper);border:1px solid var(--border);border-radius:4px}.status-badge{font-weight:700;color:var(--teal)}.app-stack{display:grid;gap:18px}.app-visual{display:grid;grid-template-columns:1fr 64px;gap:14px;align-items:start}.app-visual .media-slot.app{height:300px}.app-copy{background:var(--paper);border:1px solid var(--border);border-radius:6px;padding:22px}.method-list{display:grid;gap:12px}.method{padding:18px;background:var(--paper);border-left:4px solid var(--teal);border-radius:4px;box-shadow:var(--shadow)}.faq-mini{display:grid;gap:12px}.faq-mini details,.faq-list details{background:var(--paper);border:1px solid var(--border);border-radius:6px;padding:14px 16px}.faq-mini summary,.faq-list summary{font-weight:700;color:var(--title);cursor:pointer}.faq-list details{margin-bottom:12px}.brand-story{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center}.brand-story .media-slot{height:150px}.page-layout-stagger{display:grid;grid-template-columns:1.08fr .92fr;gap:18px;align-items:start}.page-layout-stagger>article:nth-child(2n){margin-top:28px}.page-layout-horizontal{display:grid;gap:0}.page-layout-horizontal article{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--border)}.page-layout-horizontal article:last-child{border-bottom:0}.page-layout-fold{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:6px;overflow:hidden;background:var(--paper)}.page-layout-fold article{padding:24px}.page-layout-fold article:nth-child(even){border-left:1px solid var(--border)}.page-layout-fold article:nth-child(n+3){border-top:1px solid var(--border)}.page-layout-topimage{display:grid;gap:16px}.page-layout-topimage>.media-slot{height:300px}.center-stack{display:grid;gap:14px;max-width:760px;margin:0 auto}.center-card{padding:22px;background:var(--paper);border:1px solid var(--border);border-radius:6px;text-align:left}.memo-list{display:grid;gap:10px}.memo-item{padding:16px 18px;background:var(--paper);border:1px solid var(--border);border-radius:4px}.topic-list{display:grid;gap:12px}.topic-item{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:18px;background:var(--paper);border:1px solid var(--border);border-radius:6px}.terms{display:grid;gap:18px}.term{background:var(--paper);border:1px solid var(--border);border-radius:6px;padding:20px}.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-card{padding:18px;background:var(--paper);border:1px solid var(--border);border-radius:6px}.banner-slot{height:200px;background:var(--white);border:1px solid var(--border);border-radius:6px;display:flex;align-items:center;justify-content:center}.banner-slot img{height:100%;width:100%;object-fit:contain}.site-footer{background:var(--title);color:var(--bg);border-top:1px solid rgba(184,136,96,.7);padding:30px 0 calc(24px + env(safe-area-inset-bottom));font-size:13px}.footer-top{display:grid;grid-template-columns:220px 1fr;gap:28px}.footer-brand{display:flex;gap:12px;align-items:flex-start}.footer-brand strong,.footer-brand span{display:block}.footer-brand span{color:#C8D0D4}.footer-logo{min-width:48px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.footer-groups h2{font-size:14px;color:var(--white);margin-bottom:8px}.footer-groups a{display:block;color:#DCE3E5;padding:3px 0}.footer-note{border-top:1px solid rgba(242,245,246,.14);margin-top:20px;padding-top:16px;color:#C8D0D4}.overlay{position:fixed;inset:0;background:rgba(30,42,46,.36);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}.menu-sheet{position:fixed;right:24px;bottom:24px;z-index:90;width:260px;max-height:360px;background:var(--white);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px;transform:translateY(24px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.menu-sheet.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.menu-sheet-head{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--border)}.menu-brand{display:flex;align-items:center;gap:8px}.close-button{min-height:40px;padding:0 12px;border:1px solid var(--teal);background:var(--white);color:var(--title);border-radius:4px;cursor:pointer}.menu-scroll{max-height:302px;overflow:auto;padding:10px 14px}.menu-scroll section{padding:8px 0;border-bottom:1px solid var(--border)}.menu-scroll section:last-child{border-bottom:0}.menu-scroll h2{font-size:13px;margin-bottom:6px}.menu-scroll a{display:block;padding:7px 0}.menu-scroll a b,.menu-scroll a span{display:block}.menu-scroll a b{font-size:14px}.menu-scroll a span{font-size:12px;color:var(--muted)}.search-layer{position:fixed;top:74px;left:0;right:0;z-index:88;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{background:var(--white);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:0 0 8px 8px;padding:18px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.search-head h2{margin:0}.search-presets{display:flex;gap:8px;flex-wrap:wrap}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--teal);border-radius:4px}.mobile-bottom{display:none}
@media (max-width:720px){
    .shell,.shell-narrow{width:calc(100% - 32px)}.quicktracks{display:none}.site-main{padding-top:74px;padding-bottom:68px}.brand-name{display:none}.brand-actions{gap:6px}.app-link,.menu-button{padding:0 12px}.home-index{gap:10px;overflow:hidden}.home-index a{flex:1}.home-index a i{width:100%}.stagger,.two-cards,.periods,.brand-story,.footer-top,.contact-cards,.page-layout-stagger{grid-template-columns:1fr}.stagger .card:nth-child(2),.page-layout-stagger>article:nth-child(2n){margin-top:0}.record,.page-layout-horizontal article,.topic-head,.topic-item{grid-template-columns:1fr}.fold,.page-layout-fold{grid-template-columns:1fr}.fold article+article,.page-layout-fold article:nth-child(even){border-left:0;border-top:1px solid var(--border)}.page-layout-fold article:nth-child(n+3){border-top:1px solid var(--border)}.status-row{grid-template-columns:1fr;gap:6px}.app-visual{grid-template-columns:1fr}.app-visual .media-slot.icon{margin-top:-2px}.footer-groups{grid-template-columns:1fr 1fr}.menu-sheet{right:6%;bottom:66px;width:88%;max-height:360px}.search-layer{inset:0;top:0;background:var(--teal);padding-top:20px}.search-card{background:transparent;color:var(--white);border:0;box-shadow:none}.search-head h2,.search-layer p{color:var(--white)}.search-presets a,.search-layer .close-button{border-color:var(--white);color:var(--white);background:transparent}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;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(--white);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--teal);color:var(--white)}.section{padding:28px 0}.hero{padding:28px 0}.page-head{padding:28px 0 16px}.media-slot.app{height:280px}.banner-slot{height:200px}}

.spaced-media{margin-bottom:18px}.center-media{max-width:760px;margin:0 auto 18px}.surface-pad{padding:22px}.space-top{margin-top:18px}.about-mark{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center;margin-top:18px}.about-mark .media-slot{height:150px}