:root{
  --paper:#F3E8D4;
  --deep:#E2D2B4;
  --panel:#FBF3E4;
  --sub:#EDE0C8;
  --ink:#1A140A;
  --text:#2C2214;
  --muted:#5C4A30;
  --soft:#7C6844;
  --gold:#7A5A20;
  --copper:#B88838;
  --border:rgba(26,20,10,.12);
  --focus:rgba(122,90,32,.50);
  --shadow:0 12px 28px rgba(26,20,10,.10);
  --radius:10px;
  --max:960px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-bottom:0}
body.is-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto}
.skip-link{position:fixed;left:12px;top:-60px;z-index:200;background:var(--ink);color:var(--panel);padding:8px 12px;border-radius:8px}
.skip-link:focus{top:8px}
.site-header{position:fixed;left:0;right:0;top:0;z-index:70;box-shadow:0 2px 10px rgba(26,20,10,.05)}
.old-edge{height:20px;background:var(--ink);color:var(--copper);font-size:12px;line-height:20px}
.top-inner,.head-inner,.dot-inner,.footer-inner,.page-shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.top-inner{display:flex;align-items:center;justify-content:space-between;height:20px}
.text-button{position:relative;border:0;background:transparent;color:var(--copper);font-size:12px;min-height:20px;padding:0 4px}
.text-button::after{content:"";position:absolute;inset:-12px -10px}
.copper-head{height:54px;background:var(--panel);border-bottom:1px solid var(--focus)}
.head-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand-link{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.brand-logo,.footer-logo,.drawer-logo{height:24px;width:auto;object-fit:contain;object-position:center}
.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}
.head-actions{display:flex;align-items:center;gap:8px}
.app-link,.drawer-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:0 14px;font-size:14px;white-space:nowrap}
.app-link{background:linear-gradient(135deg,#1A140A 0%,#B88838 100%);color:var(--panel)}
.drawer-button{background:var(--panel);color:var(--ink);border:1px solid var(--gold)}
.dot-nav{height:42px;background:var(--panel);border-bottom:1px solid var(--border)}
.dot-inner{height:42px;display:flex;justify-content:center;align-items:flex-start;gap:56px}
.dot-item{height:42px;min-width:54px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:13px;color:var(--muted)}
.dot-mark{width:8px;height:8px;border:1px solid var(--ink);border-radius:50%;background:transparent}
.dot-item.is-current .dot-mark{border-color:var(--copper);background:var(--copper)}
.dot-item.is-current{color:var(--ink);font-weight:700}
.site-main{padding-top:134px;min-height:70vh}
.page-shell{padding:26px 0 70px}
h1,h2,h3,p{margin-top:0}
h1{font-size:24px;line-height:1.3;color:var(--ink);margin-bottom:12px}
h2{font-size:20px;line-height:1.35;color:var(--ink);margin-bottom:10px}
h3{font-size:16px;line-height:1.45;color:var(--ink);margin-bottom:8px}
p{margin-bottom:14px}
.lead{font-size:16px;color:var(--muted);max-width:760px}
.eyebrow{display:inline-block;font-size:12px;color:var(--gold);font-weight:700;letter-spacing:.08em;margin-bottom:8px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.primary-btn,.secondary-btn{min-height:44px;padding:0 16px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}
.primary-btn{background:linear-gradient(135deg,#1A140A 0%,#B88838 100%);color:var(--panel)}
.secondary-btn{background:var(--panel);border:1px solid var(--gold);color:var(--ink)}
a:hover{opacity:.9}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.image-slot{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.image-wide{height:168px}
.image-tall{height:320px}
.image-banner{height:200px}
.image-medium{height:210px}
.image-compact{height:160px}
.section-block{margin-top:32px}
.section-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.plain-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.dark-card{background:var(--ink);color:var(--panel);border-radius:var(--radius);padding:22px}
.dark-card h2,.dark-card h3{color:var(--copper)}
.dark-card p{color:var(--paper)}
.gold-card{background:var(--gold);color:var(--panel);border-radius:var(--radius);padding:22px}
.gold-card h2,.gold-card h3{color:var(--panel)}
.muted-box{background:var(--sub);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.inline-index{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 24px;padding:0;list-style:none}
.inline-index a{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 12px;background:var(--panel);border:1px solid var(--border);border-radius:999px;color:var(--ink)}
.inline-index a::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--copper)}
.home-intro{max-width:780px}
.home-intro .lead{max-width:720px}
.horizontal-cut{margin-top:32px}
.horizontal-cut .image-slot{border-bottom-left-radius:0;border-bottom-right-radius:0}
.horizontal-copy{background:var(--ink);color:var(--paper);padding:20px;border-radius:0 0 var(--radius) var(--radius)}
.horizontal-copy h2{color:var(--copper)}
.triple{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px}
.triple article{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;min-width:0}
.triple .image-slot{margin:-18px -18px 16px;border-radius:10px 10px 0 0;border-width:0 0 1px;height:150px}
.insert-pages{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.insert-pages article{background:var(--panel);border-left:4px solid var(--copper);border-radius:0 var(--radius) var(--radius) 0;padding:20px;box-shadow:var(--shadow)}
.insert-pages .image-slot{height:170px;margin-bottom:14px}
.archive-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.archive-cards article{background:var(--deep);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.archive-cards .image-slot{height:160px;margin-bottom:14px;background:var(--panel)}
.three-periods{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:14px;align-items:stretch}
.three-periods article{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.three-periods article:nth-child(2){background:var(--ink);color:var(--paper)}
.three-periods article:nth-child(2) h3{color:var(--copper)}
.status-list{display:grid;gap:10px}
.status-row{display:grid;grid-template-columns:110px 1fr auto;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px 16px}
.status-pill{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;background:var(--deep);color:var(--ink);font-size:13px;font-weight:700}
.app-feature{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
.app-visuals{display:grid;grid-template-columns:minmax(0,1fr) 72px;gap:14px;align-items:start}
.app-icon-slot{height:72px;padding:12px}
.app-copy{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.link-list{display:grid;gap:10px}
.link-list a{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:15px 16px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.link-list a span{color:var(--muted);font-size:13px}
.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-mini article{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.brand-end{background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:24px}
.brand-end h2{color:var(--copper)}
.page-hero{margin-bottom:24px}
.page-hero .lead{margin-bottom:0}
.cut-layout{display:grid;gap:20px}
.cut-layout .wide-band{display:grid;grid-template-columns:1fr 1.15fr;gap:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.cut-layout .wide-band .image-slot{height:240px;border:0;border-radius:0}
.cut-layout .wide-band .copy{padding:24px}
.cut-layout .stage-list{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.cut-layout .stage-list article{background:var(--sub);border:1px solid var(--border);border-radius:10px;padding:16px}
.clipped-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px;align-items:start}
.clipped-layout .side-note{position:sticky;top:148px;background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:20px}
.clipped-layout .side-note h2{color:var(--copper)}
.clipped-layout .stack{display:grid;gap:16px}
.single-flow{max-width:760px;margin:0 auto}
.single-flow .image-slot{margin:18px 0}
.memo-list{display:grid;gap:14px}
.memo-list article{display:grid;grid-template-columns:120px 1fr;gap:16px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}
.method-steps{counter-reset:step;display:grid;gap:14px}
.method-steps article{counter-increment:step;display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:start;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px}
.method-steps article::before{content:counter(step);width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--ink);color:var(--copper);font-weight:800}
.topic-list{display:grid;gap:14px}
.topic-list article{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px;display:grid;grid-template-columns:160px 1fr;gap:18px}
.center-cards{max-width:780px;margin:0 auto;display:grid;gap:18px}
.center-cards article{text-align:center;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:24px}
.policy-sections{display:grid;gap:16px}
.policy-sections section{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}
.faq-item h2{font-size:16px;margin-bottom:8px}
.contact-options{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-options article{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}
.contact-note{margin-top:18px;background:var(--sub);border-left:4px solid var(--gold);padding:18px;border-radius:0 10px 10px 0}
.about-flow{display:grid;gap:18px}
.about-flow .statement{background:var(--ink);color:var(--paper);padding:24px;border-radius:10px}
.about-flow .statement h2{color:var(--copper)}
.about-flow .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bullet-list{margin:0;padding-left:20px}
.bullet-list li{margin:7px 0}
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--copper);font-size:13px;padding:34px 0 24px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.footer-brand>div{display:flex;gap:8px;align-items:baseline}
.footer-brand strong{font-size:16px;color:var(--paper)}
.footer-brand span{color:var(--copper)}
.footer-logo-text{font-size:16px;font-weight:800;color:var(--copper)}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-group h2{font-size:13px;color:var(--copper);margin-bottom:8px}
.footer-group a{display:block;color:var(--paper);padding:4px 0}
.footer-note{margin:24px 0 8px;color:var(--paper);max-width:760px}
.copyright{margin-bottom:0;color:var(--copper)}
.overlay{position:fixed;inset:0;background:rgba(26,20,10,.48);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}
.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.site-drawer{position:fixed;left:20px;bottom:20px;width:240px;max-height:380px;background:var(--panel);border:1px solid var(--focus);box-shadow:var(--shadow);border-radius:12px;z-index:100;transform:translateY(30px);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease;display:flex;flex-direction:column}
.site-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 10px;border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:8px;color:var(--ink)}
.icon-button{min-height:44px;border:1px solid var(--gold);background:var(--panel);color:var(--ink);border-radius:8px;padding:0 10px}
.drawer-scroll{overflow:auto;padding:8px 10px 12px}
.drawer-group{padding:6px 0}
.drawer-group h2{font-size:12px;color:var(--gold);margin:0 0 5px}
.drawer-group a{display:block;padding:8px;border-radius:8px}
.drawer-group a:hover{background:var(--sub)}
.drawer-group strong{display:block;font-size:14px;color:var(--ink)}
.drawer-group span{display:block;font-size:12px;color:var(--muted);line-height:1.45}
.search-layer{position:fixed;top:74px;left:50%;width:min(620px,calc(100% - 32px));transform:translateX(-50%) translateY(-12px);z-index:105;background:var(--panel);border:1px solid var(--focus);box-shadow:var(--shadow);border-radius:0 0 12px 12px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}
.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.search-box{padding:18px}
.search-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.search-head strong{display:block;color:var(--ink);font-size:16px}
.search-head span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.search-label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
#siteSearchInput{width:100%;min-height:44px;border:1px solid var(--gold);border-radius:9px;background:var(--paper);color:var(--ink);padding:0 12px}
.search-results{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.search-results a{background:var(--sub);border-radius:8px;padding:10px 12px;color:var(--ink);font-weight:700}
.search-results a span{display:block;color:var(--muted);font-size:12px;font-weight:400}
.mobile-bottom{display:none}
@media (max-width:760px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .top-inner,.head-inner,.footer-inner,.page-shell{width:calc(100% - 32px)}
  .dot-nav{display:none}
  .site-main{padding-top:92px}
  .page-shell{padding-top:20px;padding-bottom:48px}
  .head-actions{gap:6px}
  .app-link,.drawer-button{padding:0 10px}
  .triple,.insert-pages,.archive-cards,.three-periods,.faq-mini,.footer-groups,.contact-options,.about-flow .split{grid-template-columns:1fr}
  .triple .image-slot{height:180px}
  .status-row{grid-template-columns:1fr;gap:6px}
  .app-visuals{grid-template-columns:1fr 64px}
  .cut-layout .wide-band{grid-template-columns:1fr}
  .cut-layout .stage-list{grid-template-columns:1fr 1fr}
  .clipped-layout{grid-template-columns:1fr}
  .clipped-layout .side-note{position:static}
  .memo-list article,.topic-list article{grid-template-columns:1fr}
  .site-drawer{left:6%;bottom:calc(58px + env(safe-area-inset-bottom));width:88%;max-height:70vh}
  .search-layer{inset:0;width:100%;transform:none;background:var(--ink);border:0;border-radius:0;box-shadow:none;color:var(--copper);z-index:110}
  .search-layer.is-open{transform:none}
  .search-box{padding:calc(22px + env(safe-area-inset-top)) 16px 22px}
  .search-head strong,.search-label{color:var(--copper)}
  .search-head span{color:var(--paper)}
  .search-layer .icon-button{background:var(--ink);color:var(--copper);border-color:var(--copper)}
  #siteSearchInput{background:var(--panel);color:var(--ink)}
  .search-results{grid-template-columns:1fr}
  .search-results a{background:rgba(251,243,228,.09);color:var(--paper);border:1px solid rgba(184,136,56,.35)}
  .search-results a span{color:var(--paper)}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:80;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(--ink);border-top:1px solid var(--copper)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;color:var(--paper);font-size:13px;min-height:48px}
  .mobile-bottom a.is-current{background:var(--copper);color:var(--ink);font-weight:800}
  .image-tall{height:300px}
  .image-banner{height:200px}
}
@media (max-width:480px){
  .app-link{font-size:13px}
  .drawer-button{font-size:13px}
  .cut-layout .stage-list{grid-template-columns:1fr}
  .method-steps article{grid-template-columns:40px 1fr;padding:16px}
  .method-steps article::before{width:36px;height:36px}
  h1{font-size:24px}
}