:root{
  --bg:#F4F3F1;--deep:#E7E4DF;--surface:#FFFFFF;--soft:#EEECEA;
  --title:#161616;--text:#292929;--muted:#5E5E5E;--faint:#8A8A8A;
  --black:#161616;--graphite:#303030;--silver:#C9C5BE;--ember:#B63B33;--frost:#FAF9F7;
  --border:rgba(22,22,22,.14);--shadow:0 12px 28px rgba(16,16,16,.08);--glow:0 6px 16px rgba(16,16,16,.18);--content: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","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.panel-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{border:0}
img{display:block;max-width:100%}
.skip-link{position:fixed;left:16px;top:-80px;z-index:3000;background:#111;color:#fff;padding:10px 14px;border-radius:8px}
.skip-link:focus{top:10px}

.top-bar{position:fixed;inset:0 0 auto 0;height:18px;background:#161616;color:#FAF9F7;z-index:1000;font-size:12px}
.top-bar__inner,.brand-strip__inner,.focus-nav__inner,.site-main,.footer-inner{width:min(calc(100% - 32px),var(--content));margin:0 auto}
.top-bar__inner{height:18px;display:flex;align-items:center;justify-content:space-between}
.search-trigger{background:transparent;color:#FAF9F7;padding:0 2px;cursor:pointer}

.brand-strip{position:fixed;inset:18px 0 auto 0;height:54px;background:rgba(250,249,247,.98);border-bottom:1px solid var(--border);z-index:999;backdrop-filter:blur(10px)}
.brand-strip__inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand-link{min-height:44px;display:inline-flex;align-items:center;font-size:16px;font-weight:800}
.logo-wrap:has(img)+.brand-fallback{display:none}
.brand-logo,.menu-logo-img,.footer-logo-img{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-actions{display:flex;gap:8px}

.button,.menu-trigger,.primary-link{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:999px;font-size:14px;font-weight:750;transition:180ms ease;cursor:pointer}
.button,.primary-link{background:linear-gradient(135deg,#3A3A3A 0%,#161616 55%,#0C0C0C 100%);color:#FAF9F7;box-shadow:var(--glow)}
.button--small{min-height:40px}
.button--ghost,.menu-trigger{background:#fff;color:#161616;border:1px solid var(--border)}
.button:hover,.primary-link:hover,.focus-link.is-current:hover,.mobile-bar a.is-current:hover{filter:brightness(1.06);box-shadow:0 0 0 3px rgba(196,164,74,.28),0 10px 24px rgba(16,16,16,.28)}
.button:active,.primary-link:active,.focus-link.is-current:active,.mobile-bar a.is-current:active{filter:brightness(1.12);box-shadow:0 0 0 4px rgba(180,58,50,.35),0 0 22px rgba(200,196,188,.45)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #C8C4BC;outline-offset:2px}

.focus-nav{position:fixed;inset:72px 0 auto 0;height:44px;background:#EEECEA;border-bottom:1px solid var(--border);z-index:998}
.focus-nav__inner{height:44px;display:flex;align-items:center;gap:10px}
.focus-mark{width:11px;height:17px;background:#161616;border-radius:4px;box-shadow:inset 0 0 0 2px rgba(255,255,255,.25);transform:rotate(7deg)}
.focus-link{min-height:34px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;font-size:13px;font-weight:750}
.focus-link.is-current{background:#161616;color:#FAF9F7;box-shadow:var(--glow)}

.site-main{padding-top:144px;padding-bottom:56px;min-height:70vh}
.breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{font-weight:700;color:#161616}
h1,h2,h3{color:var(--title);margin-top:0}
h1{font-size:24px;line-height:1.3;margin-bottom:14px}
h2{font-size:20px;line-height:1.4;margin-bottom:12px}
h3{font-size:16px;line-height:1.5;margin-bottom:8px}
p{margin:0 0 1em}
.lead{font-size:16px;color:var(--muted)}
.eyebrow{font-size:12px;letter-spacing:.08em;color:#7A2F2A;font-weight:800;margin-bottom:8px}

.section{margin:22px 0;padding:22px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow)}
.section--soft{background:#EEECEA}
.section--dark{background:#161616;color:#E7E4DF;border-color:rgba(255,255,255,.08)}
.section--dark h2,.section--dark h3{color:#fff}
.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.note{border-left:3px solid #B63B33;padding:10px 14px;background:#fbf4f3;color:#5b2b27;border-radius:0 8px 8px 0}

.image-slot{display:grid;place-items:center;width:100%;height:168px;background:linear-gradient(180deg,#FAF9F7,#EEECE8);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.image-slot--pin{width:240px;max-width:100%;height:176px}
.image-slot--160{height:160px}
.image-slot--banner{width:100%;height:200px}
.image-slot--app{width:240px;height:320px;flex:0 0 240px}
.icon-box{width:48px;height:48px;display:grid;place-items:center;background:#EEECEA;border:1px solid var(--border);border-radius:10px}
.icon-box img{width:48px;height:48px;object-fit:contain}

.hero-copy{padding:8px 0 6px}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;margin-bottom:16px}
.hero-kicker::before{content:"";width:11px;height:17px;border-radius:4px;background:#161616;transform:rotate(7deg)}
.feature-cut{display:grid;grid-template-columns:260px 1fr;gap:22px;align-items:center}
.dual-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
.panel{padding:20px;border-radius:10px;background:#EEECEA;border:1px solid var(--border)}
.panel--dark{background:#161616;color:#FAF9F7}
.panel--dark h2,.panel--dark h3{color:#fff}
.recap-pages{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.recap-card{padding:20px;background:#fff;border:1px solid var(--border);border-radius:10px}
.topic-links{display:grid;gap:10px}
.topic-links a,.link-row{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;background:#fff;border:1px solid var(--border);border-radius:8px}
.status-list{display:grid;gap:12px}
.status-item{padding:14px 16px;background:#fff;border:1px solid var(--border);border-radius:8px}
.status-item strong{display:inline-flex;min-width:88px;color:#161616}
.app-wrap{display:flex;align-items:flex-start;gap:24px}
.app-copy{flex:1;min-width:0}
.app-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.long-read{max-width:790px;margin-inline:auto}
.long-read p{text-align:justify}
.directory,.policy-grid,.contact-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.directory article,.policy-grid article,.contact-options article{padding:18px;background:#fff;border:1px solid var(--border);border-radius:10px}
.visual-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}
.visual-notes{display:grid;gap:12px}
.visual-notes article{padding:16px;background:#fff;border:1px solid var(--border);border-radius:10px}
.steps{counter-reset:step;display:grid;gap:12px}
.steps article{position:relative;padding:18px 18px 18px 58px;background:#fff;border:1px solid var(--border);border-radius:10px}
.steps article::before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:18px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#161616;color:#FAF9F7;font-size:13px;font-weight:800}
.faq-list{display:grid;gap:12px}
.faq-item{padding:18px;background:#fff;border:1px solid var(--border);border-radius:10px}
.faq-item h2{font-size:17px;margin-bottom:8px}

.site-footer{background:#101010;color:#E6E4E0;border-top:1px solid rgba(200,196,188,.35)}
.footer-inner{padding:34px 0 78px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.footer-brand strong{display:block;color:#fff;font-size:16px}
.footer-brand span{display:block;color:#BEBAB2;font-size:12px}
.footer-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.footer-columns h2{font-size:13px;color:#fff;margin:0 0 8px}
.footer-columns a{display:block;color:#D2CEC7;font-size:13px;padding:3px 0}
.footer-note,.footer-copy{font-size:13px;color:#BEBAB2;margin-top:14px}

.page-overlay{visibility:hidden;pointer-events:none;opacity:0;position:fixed;inset:0;z-index:1100;background:rgba(0,0,0,.54);transition:180ms ease}
.page-overlay.is-active{visibility:visible;pointer-events:auto;opacity:1}
.site-menu{position:fixed;z-index:1200;left:0;right:0;bottom:0;width:100%;max-height:210px;background:#FAF9F7;border-top:1px solid var(--border);box-shadow:0 -24px 70px rgba(0,0,0,.2);transform:translateY(110%);visibility:hidden;pointer-events:none;transition:180ms ease}
.site-menu.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}
.menu-head{height:54px;display:flex;align-items:center;justify-content:space-between;width:min(calc(100% - 32px),var(--content));margin:0 auto;border-bottom:1px solid var(--border)}
.menu-brand{display:flex;align-items:center;gap:10px}
.menu-grid{width:min(calc(100% - 32px),var(--content));margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:10px 0 14px;overflow-y:auto}
.menu-group h2{font-size:12px;color:#696969;margin:0 0 4px}
.menu-group a{display:flex;align-items:center;gap:10px;min-height:34px;padding:2px 0}
.menu-group a span{font-weight:800;white-space:nowrap}
.menu-group a small{color:#6A6A6A;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-button{width:44px;height:44px;border-radius:50%;background:#EEECEA;color:#161616;font-size:24px;cursor:pointer}

.search-panel{position:fixed;z-index:1190;top:78px;left:50%;width:min(calc(100% - 32px),720px);transform:translate(-50%,-20px);visibility:hidden;pointer-events:none;opacity:0;background:#FAF9F7;border:1px solid var(--border);border-radius:12px;box-shadow:0 24px 70px rgba(0,0,0,.2);transition:180ms ease}
.search-panel.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto;opacity:1}
.search-panel__inner{padding:18px}
.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.search-head p{font-size:13px;color:#5E5E5E;margin-top:2px}
.search-label{display:block;color:#5E5E5E;font-size:13px;margin-bottom:6px}
.search-input{width:100%;min-height:44px;border:1px solid var(--border);border-radius:8px;padding:0 12px;background:#fff;color:#292929}
.search-links{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.search-links a{min-height:44px;display:grid;place-items:center;border-radius:8px;background:#EEECEA;color:#161616;font-weight:800}
.search-empty{font-size:13px;color:#5E5E5E;margin-top:12px}
.mobile-bar{display:none}

@media(max-width:760px){
  .top-bar__inner,.brand-strip__inner,.site-main,.footer-inner{width:calc(100% - 32px)}
  .focus-nav{display:none}
  .site-main{padding-top:98px;padding-bottom:80px}
  .brand-actions{gap:6px}
  .button--small,.menu-trigger{min-width:76px;padding-inline:10px}
  .feature-cut,.dual-panel,.recap-pages,.visual-grid,.directory,.policy-grid,.contact-options{grid-template-columns:1fr}
  .app-wrap{display:flex;flex-direction:column}
  .image-slot--app{width:240px;max-width:100%;height:320px;margin-left:auto}
  .section{padding:18px}
  .footer-columns{grid-template-columns:1fr 1fr}
  .site-menu{max-height:66vh}
  .menu-head,.menu-grid{width:calc(100% - 32px)}
  .menu-grid{grid-template-columns:1fr;gap:10px;padding-bottom:20px}
  .menu-group a{min-height:52px;border-bottom:1px solid rgba(22,22,22,.08)}
  .menu-group a small{white-space:normal}
  .search-panel{inset:0;width:100%;height:100dvh;transform:none;border-radius:0;background:#161616;color:#FAF9F7}
  .search-panel.is-open{transform:none}
  .search-panel__inner{padding:28px 16px}
  .search-head strong,.search-label{color:#FAF9F7}
  .search-head p,.search-empty{color:#C8C4BC}
  .search-panel .icon-button{background:rgba(255,255,255,.1);color:#fff}
  .search-input{background:#FAF9F7;color:#161616}
  .search-links{grid-template-columns:1fr 1fr}
  .search-links a{background:rgba(255,255,255,.08);color:#FAF9F7;border:1px solid rgba(255,255,255,.1)}
  .mobile-bar{position:fixed;z-index:995;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:rgba(250,249,247,.98);border-top:1px solid var(--border);backdrop-filter:blur(10px)}
  .mobile-bar a{min-height:48px;display:grid;place-items:center;font-size:13px;font-weight:800;color:#5E5E5E}
  .mobile-bar a.is-current{background:#161616;color:#FAF9F7;box-shadow:var(--glow)}
}