:root{
  --bg:#F7F1D8;--deep:#E8DFA8;--card:#FFF9E8;--soft:#F0E8C0;--ink:#16140C;--text:#2A2614;
  --muted:#5A5428;--aux:#7A7440;--yellow:#E8C430;--line:rgba(22,20,12,.12);--focus:rgba(232,196,48,.55);
  --shadow:0 12px 28px rgba(22,20,12,.10);--radius:14px;--max:960px;--top:122px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.top-shell{position:fixed;left:0;right:0;top:0;z-index:50;box-shadow:0 4px 14px rgba(22,20,12,.06)}.smart-edge{height:20px;background:var(--ink);color:var(--yellow);font-size:12px;display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - var(--max))/2))}.edge-brand{display:flex;align-items:center;height:20px}.plain-trigger{border:0;background:transparent;color:var(--yellow);padding:0 4px;height:20px;cursor:pointer}.smart-head{height:54px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - var(--max))/2))}.brand-lockup{display:inline-flex;min-height:44px;align-items:center;font-size:16px;font-weight:800}.brand-logo,.footer-logo,.drawer-brand img{height:24px;max-width:140px;object-fit:contain;object-position:center}.head-actions{display:flex;align-items:center;gap:8px}.head-app,.drawer-trigger{min-height:44px;padding:0 15px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.head-app{border:1px solid var(--ink);background:var(--card)}.drawer-trigger{border:0;background:linear-gradient(135deg,#16140C 0%,#E8C430 100%);color:var(--ink);font-weight:800;cursor:pointer}.smart-grid{height:48px;background:var(--card);display:flex;align-items:center;justify-content:center;gap:12px;border-bottom:1px solid var(--line)}.grid-link{width:120px;height:28px;border:1px solid var(--ink);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:13px}.grid-link.is-active{background:var(--ink);color:var(--yellow)}#main-content{padding-top:calc(var(--top) + 22px);min-height:60vh}.shell{max-width:var(--max);margin:0 auto;padding:0 16px}.page-hero{padding:26px 0 18px}.eyebrow{font-size:13px;color:var(--muted);font-weight:800;letter-spacing:.08em}.page-hero h1,.home-hero h1{font-size:24px;line-height:1.3;margin:8px 0 10px;color:var(--ink)}h2{font-size:20px;line-height:1.4;color:var(--ink);margin:0 0 10px}h3{font-size:16px;line-height:1.45;color:var(--ink);margin:0 0 7px}p{margin:0 0 12px}.lede{font-size:16px;color:var(--muted);max-width:760px}.section{padding:22px 0;border-top:1px solid var(--line)}.section:first-child{border-top:0}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.btn{min-height:42px;padding:0 17px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap;border:1px solid var(--ink)}.btn.primary{background:linear-gradient(135deg,#16140C 0%,#E8C430 100%);color:var(--ink);font-weight:800}.btn.secondary{background:var(--card);color:var(--ink)}a:hover{filter:brightness(.98)}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.media-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}.media-box img{width:100%;height:100%;object-fit:contain;object-position:center}.home-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:520px;margin-bottom:18px}.home-index a{background:var(--card);border:1px solid var(--ink);border-radius:12px;min-height:44px;display:flex;align-items:center;justify-content:center;font-weight:800}.home-hero{padding:28px 0 24px}.home-hero .slogan{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:8px}.parallel-strip{display:grid;grid-template-columns:1fr 1fr;gap:14px}.strip-card{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:16px}.strip-card .media-box{height:160px;margin-bottom:12px}.stack-list{display:grid;gap:14px}.stack-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}.stack-card:first-child{transform:translateX(0)}.stack-card:nth-child(2){margin-left:28px}.stack-card:nth-child(3){margin-left:56px}.stack-card .media-box{height:190px;margin-bottom:12px}.fold-list{display:grid;grid-template-columns:1.08fr .92fr;gap:12px}.fold-card{background:var(--soft);border-left:5px solid var(--yellow);border-radius:12px;padding:16px}.fold-card:first-child .media-box{height:180px;margin-bottom:12px}.shelf-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.shelf-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}.shelf-card .media-box{height:170px;margin-bottom:12px}.period-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-card{background:var(--deep);border-radius:14px;padding:16px;border:1px solid var(--line)}.period-visual .media-box{height:200px;margin-bottom:14px}.status-list{display:grid;gap:10px}.status-item{display:grid;grid-template-columns:140px 1fr;gap:14px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}.status-item strong{color:var(--ink)}.app-center{text-align:center}.app-center .media-box.app-visual{height:300px;max-width:420px;margin:14px auto}.app-center .media-box.icon-visual{height:74px;width:74px;margin:0 auto 12px}.app-center .icon-visual img{width:48px;height:48px}.note-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.note-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.faq-mini{display:grid;gap:10px}.faq-mini details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}.faq-mini summary{font-weight:800;color:var(--ink);cursor:pointer}.intro-block{background:var(--ink);color:var(--bg);border-radius:16px;padding:20px}.intro-block h2,.intro-block h3{color:var(--yellow)}.index-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.index-matrix article{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.line-list{display:grid;gap:12px}.line-card{display:grid;grid-template-columns:170px 1fr;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}.line-card .media-box{height:130px}.center-card{max-width:720px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center}.center-card + .center-card{margin-top:14px}.single-flow{max-width:760px;margin:0 auto}.single-flow article{padding:18px 0;border-bottom:1px solid var(--line)}.check-list{display:grid;gap:10px}.check-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}.method-list{counter-reset:method;display:grid;gap:12px}.method-list article{counter-increment:method;background:var(--card);border-radius:14px;border:1px solid var(--line);padding:16px 16px 16px 64px;position:relative}.method-list article:before{content:counter(method);position:absolute;left:16px;top:16px;width:32px;height:32px;border-radius:50%;background:var(--yellow);display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:800}.topic-list{display:grid;gap:12px}.topic-list article{background:linear-gradient(90deg,var(--card),var(--soft));border:1px solid var(--line);border-radius:14px;padding:16px}.terms{display:grid;gap:16px}.terms section{background:var(--card);border-left:4px solid var(--yellow);padding:16px;border-radius:10px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}.about-banner{height:200px;margin:14px 0 20px}.about-quote{font-size:18px;font-weight:800;color:var(--ink);padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.site-footer{background:var(--ink);color:var(--bg);border-top:1px solid var(--yellow);margin-top:38px;padding:28px 0 78px}.footer-inner{max-width:var(--max);margin:0 auto;padding:0 16px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{color:var(--yellow)}.footer-brand span{font-size:12px;color:var(--bg)}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups h2{font-size:14px;color:var(--yellow);margin-bottom:6px}.footer-groups a{display:block;font-size:13px;color:var(--bg);margin:3px 0}.footer-note,.copyright{font-size:13px;color:var(--bg)}.footer-note{border-top:1px solid rgba(232,196,48,.35);margin-top:22px;padding-top:18px}.copyright{margin-top:6px}.overlay{position:fixed;inset:0;background:rgba(22,20,12,.38);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.smart-drawer{position:fixed;right:0;top:24px;z-index:80;width:32vw;min-width:360px;max-width:560px;max-height:calc(100vh - 48px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:16px 0 0 16px;box-shadow:var(--shadow);transform:translateX(105%);visibility:hidden;pointer-events:none;transition:.22s}.smart-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-top{position:sticky;top:0;background:var(--card);display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);z-index:2}.drawer-brand{display:flex;align-items:center;gap:8px}.drawer-close,.search-top button{min-height:44px;border:1px solid var(--ink);background:var(--card);border-radius:12px;padding:0 14px;cursor:pointer}.drawer-groups{padding:12px}.drawer-groups section{margin-bottom:14px}.drawer-groups h2{font-size:14px;margin:0 0 6px}.drawer-groups a{display:grid;grid-template-columns:74px 1fr;gap:8px;padding:9px 0;border-bottom:1px solid var(--line)}.drawer-groups b{color:var(--ink)}.drawer-groups span{font-size:13px;color:var(--muted)}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:82;visibility:hidden;opacity:0;pointer-events:none;transition:.18s}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:720px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:16px}.search-top{display:flex;align-items:center;justify-content:space-between}.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.search-presets a{min-height:44px;border:1px solid var(--ink);border-radius:12px;display:flex;align-items:center;justify-content:center}.mobile-bar{display:none}.two-col-text{display:grid;grid-template-columns:1fr 1fr;gap:18px}.muted{color:var(--muted)}.small{font-size:13px;color:var(--muted)}.is-centered{margin-left:auto;margin-right:auto}.btn-row.is-centered{justify-content:center}
@media (max-width:720px){
  :root{--top:74px}.smart-grid{display:none}.smart-edge,.smart-head{padding-left:16px;padding-right:16px}.head-actions{gap:6px}.head-app,.drawer-trigger{padding:0 11px}.brand-logo{max-width:110px}.smart-drawer{top:16px;width:88vw;min-width:0;max-height:calc(100vh - 32px)}#main-content{padding-top:96px}.parallel-strip,.fold-list,.shelf-pair,.period-row,.note-grid,.index-matrix,.contact-list,.two-col-text{grid-template-columns:1fr}.stack-card:nth-child(2),.stack-card:nth-child(3){margin-left:0}.status-item,.line-card{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:94px}.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bar a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bar a.is-active{background:var(--yellow);color:var(--ink);font-weight:800}.search-panel{inset:0;top:0;background:var(--ink);color:var(--yellow);z-index:90}.search-card{height:100%;max-width:none;border:0;border-radius:0;background:var(--ink);padding:24px 16px}.search-top strong,.search-card p{color:var(--yellow)}.search-top button{background:var(--yellow);color:var(--ink)}.search-presets{grid-template-columns:1fr 1fr}.search-presets a{border-color:var(--yellow);color:var(--yellow)}.home-index{grid-template-columns:1fr 1fr}.app-center .media-box.app-visual{height:300px}.footer-note{margin-bottom:0}}