:root{
--paper:#EFE6D0;--deep:#DDD2B6;--panel:#F7F1E0;--secondary:#E8DDC4;--ink:#12100A;--text:#262014;
--muted:#564A30;--soft:#766844;--gold-dark:#4A3A12;--gold:#A88830;--border:rgba(18,16,10,.12);
--border-strong:rgba(74,58,18,.50);--shadow:0 12px 28px rgba(18,16,10,.10);--max:960px;
}
*{box-sizing:border-box}
html{background:var(--paper);scroll-behavior:smooth}
html.is-locked,body.is-locked{overflow:hidden}
body{margin:0;background:var(--paper);color:var(--text);font:15px/1.7 "PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-head{position:fixed;inset:0 0 auto;z-index:70}
.topline{height:20px;background:var(--ink);color:var(--gold);font-size:12px}
.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}
.plain{height:20px;padding:0 4px;border:0;background:transparent;color:var(--gold)}
.brandbar{height:54px;background:var(--panel);border-bottom:1px solid var(--border-strong)}
.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}
.brand-link{min-height:44px;display:flex;align-items:center}
.brand-link strong{font-size:16px;color:var(--ink);letter-spacing:.08em}
.brand-logo,.footer-logo,.fold-brand img{height:24px;max-width:180px;object-fit:contain;object-position:center}
.brand-actions{display:flex;align-items:center;gap:8px}
.app-entry,.fold-open{height:44px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;border-radius:0}
.app-entry{background:linear-gradient(135deg,#12100A 0%,#A88830 100%);color:var(--panel)}
.fold-open{border:1px solid var(--gold-dark);background:var(--panel);color:var(--ink)}
.seal-nav{height:48px;background:var(--panel);border-bottom:1px solid var(--border)}
.seal-inner{height:48px;display:flex;justify-content:center;gap:42px}
.seal-nav a{height:48px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.seal-nav i{width:18px;height:18px;border:1px solid var(--gold-dark);border-radius:50%;display:block}
.seal-nav a.is-current i{background:var(--gold);border-color:var(--gold)}
.site-main{padding-top:122px;min-height:70vh}
section.shell{padding:34px 0}
h1,h2,h3{margin:0 0 14px;color:var(--ink);font-weight:800}
h1{font-size:24px;line-height:1.3}
h2{font-size:20px;line-height:1.42}
h3{font-size:16px;line-height:1.5}
p{margin:0 0 14px}
.lead{font-size:16px;color:var(--muted);max-width:760px}
.eyebrow{margin-bottom:8px;color:var(--gold-dark);font-size:12px;font-weight:800;letter-spacing:.18em}
.button{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;font-size:14px;white-space:nowrap}
.primary{background:linear-gradient(135deg,#12100A 0%,#A88830 100%);color:var(--panel)}
.secondary{background:var(--panel);border:1px solid var(--gold-dark);color:var(--ink)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.text-link{display:inline-flex;min-height:44px;align-items:center;color:var(--gold-dark);font-weight:800}
.text-link:after{content:"→";margin-left:8px}
a:hover,button:hover{opacity:.82}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(168,136,48,.45);outline-offset:2px}
.media-slot{background:var(--panel);border:1px solid var(--border);min-height:120px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.home-intro{padding-top:48px!important}
.home-seals{display:flex;gap:24px;align-items:center;margin-bottom:28px}
.home-seals a{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gold-dark)}
.home-seals i{width:18px;height:18px;border:1px solid var(--gold-dark);border-radius:50%}
.home-seals a:first-child i{background:var(--gold)}
.miscut{display:grid;grid-template-columns:.82fr 1.18fr;gap:0;background:var(--secondary);border:1px solid var(--border);box-shadow:var(--shadow);padding:0!important;margin-top:18px!important}
.miscut-media{align-self:end;clip-path:polygon(0 12%,88% 0,100% 100%,0 100%)}
.miscut-media .media-slot{height:172px;border:0}
.miscut-copy{padding:28px}
.section-heading{max-width:700px;margin-bottom:18px}
.narrow-columns{display:grid;grid-template-columns:.72fr 1.28fr;gap:18px}
.note-column{background:var(--panel);border-top:1px solid var(--border-strong);padding:22px}
.note-column .media-slot{height:180px;margin-bottom:18px}
.fold-spine{border-top:1px solid var(--border-strong)}
.spine-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.spine-pair article{display:grid;grid-template-columns:56px 1fr;gap:18px;background:var(--panel);border:1px solid var(--border);border-left:8px solid var(--gold-dark);padding:20px}
.spine-pair article:first-child{grid-template-columns:56px 1fr 200px}
.spine-mark{writing-mode:vertical-rl;letter-spacing:.18em;color:var(--gold-dark);font-weight:800;justify-self:center}
.spine-pair .media-slot{height:190px}
.shelf{background:var(--deep);border:1px solid var(--border)}
.shelf-head{display:grid;grid-template-columns:1fr 240px;gap:20px;align-items:center}
.shelf-art{height:130px}
.shelf-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.shelf-cards article{background:var(--panel);border:1px solid var(--border);padding:20px}
.period{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.period-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
.period-list article{background:var(--panel);border:1px solid var(--border);padding:18px}
.period>.media-slot{height:250px}
.status-home{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;background:var(--panel);border-top:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);padding-left:24px!important;padding-right:24px!important}
.status-tags{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}
.status-tags span,.state{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:4px 10px;border:1px solid var(--border-strong);font-weight:800;font-size:13px}
.done{background:var(--ink);color:var(--panel)}
.working{background:var(--gold);color:var(--ink)}
.pending{background:var(--secondary);color:var(--gold-dark)}
.app-wrap{display:flex;flex-direction:column;gap:20px}
.app-text{background:var(--panel);border:1px solid var(--border);padding:24px}
.app-visual{display:grid;grid-template-columns:1fr 150px;gap:20px;align-items:end}
.app-art{height:320px}.app-icon{height:110px;min-height:110px}.app-icon img{width:48px;height:48px}
.point-stack{display:grid;gap:12px}.point-stack article{background:var(--panel);border-left:4px solid var(--gold-dark);padding:20px}
.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
details{background:var(--panel);border:1px solid var(--border)}
summary{cursor:pointer;font-weight:800;color:var(--ink);min-height:48px;padding:15px 17px}
details p{padding:0 17px 17px;margin:0;color:var(--muted)}
.brand-home{border-top:1px solid var(--border-strong);margin-bottom:30px!important}
.page-intro{padding-top:52px!important}.narrow-page{max-width:800px}
.narrow-reading{display:grid;gap:18px;max-width:820px}
.narrow-block{background:var(--panel);border-top:1px solid var(--border-strong);padding:22px}
.narrow-block.with-art{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:start}
.narrow-block.with-art .media-slot{height:220px}
.link-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.link-row a{min-height:44px;display:flex;align-items:center;padding:0 14px;border:1px solid var(--gold-dark);background:var(--secondary)}
.cut-hero{display:grid;grid-template-columns:.78fr 1.22fr;gap:0;align-items:end;padding-top:52px!important}
.cut-art{align-self:end;clip-path:polygon(0 16%,88% 0,100% 100%,0 100%)}.cut-art .media-slot{height:230px}
.cut-copy{background:var(--panel);border:1px solid var(--border);padding:28px}
.cut-list{display:grid;gap:14px}.cut-list article{display:grid;grid-template-columns:62px 1fr;gap:18px;background:var(--panel);border:1px solid var(--border);padding:21px}
.cut-list article:nth-child(even){transform:translateX(24px)}
.cut-list span,.process b,.guide span{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--gold-dark);color:var(--gold-dark);font-weight:800}
.article{max-width:800px}.article p{color:var(--muted)}
.soft{background:var(--secondary);border:1px solid var(--border);padding-left:24px!important;padding-right:24px!important;margin-bottom:30px!important}
.spine-book{display:grid;gap:14px}
.spine-book article{display:grid;grid-template-columns:72px 1fr 250px;gap:18px;align-items:center;background:var(--panel);border:1px solid var(--border);border-left:10px solid var(--gold-dark);padding:20px}
.spine-book article:not(:first-child){grid-template-columns:72px 1fr}
.spine-title{writing-mode:vertical-rl;letter-spacing:.18em;color:var(--gold-dark);font-weight:800;justify-self:center}
.spine-book .media-slot{height:190px}
.single-hero{padding-top:52px!important}.wide-art{height:240px;margin-top:24px}
.process{display:grid;gap:16px}.process article{display:grid;grid-template-columns:52px 1fr;gap:18px;border-top:1px solid var(--border-strong);padding:22px;background:var(--panel)}
.period-hero,.status-hero,.memo-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center;padding-top:52px!important}
.period-hero .media-slot,.status-hero .media-slot,.memo-hero .media-slot{height:230px}
.three-periods{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.three-periods article{background:var(--panel);border:1px solid var(--border);padding:22px}
.three-periods article:nth-child(2){margin-top:28px}.three-periods article:nth-child(3){margin-top:56px}
.three-periods span,.topic-list em{display:inline-block;background:var(--ink);color:var(--gold);padding:4px 10px;margin-bottom:12px;font-style:normal}
.status-board{display:grid;gap:12px}.status-board article{display:grid;grid-template-columns:150px 1fr;gap:20px;background:var(--panel);border:1px solid var(--border);padding:22px}
.memo-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.memo-list article{background:var(--panel);border:1px solid var(--border);padding:22px}.memo-list ul{padding-left:20px}.memo-list li{margin-bottom:9px}
.guide{display:grid;gap:0}.guide article{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--border-strong)}
.topic-list{display:grid;gap:16px}.topic-list article{background:var(--panel);border:1px solid var(--border);padding:24px}
.topic-list article:nth-child(even){margin-left:7%}.topic-list article:nth-child(odd){margin-right:7%}
.center-hero{display:flex;justify-content:center;padding-top:52px!important}
.center-card{max-width:740px;background:var(--panel);border:1px solid var(--border-strong);box-shadow:var(--shadow);padding:28px;text-align:center}
.center-card .media-slot{height:220px;margin-bottom:20px}
.center-grid{max-width:840px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.center-grid article{background:var(--panel);border:1px solid var(--border);padding:22px;text-align:center}
.center-grid article:last-child{grid-column:1/-1;max-width:70%;justify-self:center}
.app-page{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:start;padding-top:52px!important}
.app-page .app-media{display:flex;flex-direction:column;gap:16px}.app-page .app-media .app-art{height:320px}
.app-page>.app-text:last-child{grid-column:1/-1}
.policy-grid,.policy-list,.help-grid,.contact-grid,.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.policy-grid article,.policy-list article,.help-grid article,.contact-grid article,.about-grid article{background:var(--panel);border:1px solid var(--border);padding:22px}
.policy-list{max-width:840px}.help-grid article:last-child{grid-column:1/-1;max-width:70%;justify-self:center}
.faq-full{display:grid;gap:12px;max-width:840px}.faq-full details p{line-height:1.82}
.about-hero{padding-top:52px!important}.about-banner{height:200px}.about-title{max-width:800px;margin:22px auto 0}.about-brand{height:240px}
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--gold);font-size:13px;padding:34px 0 18px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}.footer-brand strong{font-size:16px}.footer-brand span{color:var(--gold)}
.footer-note{max-width:760px;color:#d6c9a8}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:24px 0}.footer-links h2{font-size:13px;color:var(--gold);margin-bottom:8px}.footer-links a{display:block;min-height:30px}
.footer-bottom{border-top:1px solid rgba(168,136,48,.35);padding-top:14px;display:flex;gap:14px;flex-wrap:wrap;color:#d6c9a8}.footer-bottom a{color:var(--gold)}
.site-fold{position:fixed;z-index:95;right:18px;bottom:72px;width:260px;max-height:360px;overflow:auto;background:var(--panel);border:1px solid var(--border-strong);box-shadow:var(--shadow);transform:translate(26px,30px) scale(.96);transform-origin:right bottom;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
.site-fold.is-open{transform:translate(0,0) scale(1);opacity:1;visibility:visible;pointer-events:auto}
.fold-head{position:sticky;top:0;background:var(--panel);z-index:2;padding:12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.fold-brand{display:flex;align-items:center;gap:8px}.close-btn{height:42px;padding:0 12px;border:1px solid var(--gold-dark);background:var(--panel);color:var(--ink)}
.fold-body{padding:12px}.fold-body section{margin-bottom:16px}.fold-body h2{font-size:13px;color:var(--gold-dark);margin-bottom:6px;padding-bottom:5px;border-bottom:1px solid var(--border)}
.fold-body a{display:grid;grid-template-columns:70px 1fr;gap:8px;padding:7px 0;min-height:44px}.fold-body span{font-size:12px;color:var(--muted)}
.search-layer{position:fixed;z-index:96;left:50%;top:74px;width:min(var(--max),calc(100% - 32px));transform:translate(-50%,-16px);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}
.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}
.search-card{background:var(--panel);border:1px solid var(--border-strong);box-shadow:var(--shadow);padding:18px}.search-head{display:flex;justify-content:space-between;gap:18px}.search-head p{margin:2px 0;color:var(--muted)}
.search-card input{width:100%;height:44px;border:1px solid var(--gold-dark);background:#fffaf0;color:var(--ink);padding:0 12px;margin-top:14px}
.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{min-height:44px;display:flex;align-items:center;padding:0 14px;border:1px solid var(--border-strong);background:var(--secondary)}
.overlay{position:fixed;inset:0;background:rgba(18,16,10,.48);z-index:85;opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.mobile-bottom{display:none}
@media(max-width:760px){
.seal-nav{display:none}.site-main{padding-top:74px;padding-bottom:64px}
.miscut,.narrow-columns,.spine-pair,.period,.status-home,.cut-hero,.period-hero,.status-hero,.memo-hero,.app-page{grid-template-columns:1fr}
.miscut-media,.cut-art{clip-path:none}.narrow-block.with-art{grid-template-columns:1fr}
.spine-pair article,.spine-pair article:first-child{grid-template-columns:52px 1fr}.spine-pair article:first-child .media-slot{grid-column:1/-1}
.shelf-head{grid-template-columns:1fr}.shelf-cards,.period-list,.faq-mini,.three-periods,.memo-list,.center-grid,.policy-grid,.policy-list,.help-grid,.contact-grid,.about-grid{grid-template-columns:1fr}
.three-periods article:nth-child(2),.three-periods article:nth-child(3){margin-top:0}.status-home{padding-left:18px!important;padding-right:18px!important}
.app-visual{grid-template-columns:1fr 110px}.cut-list article:nth-child(even){transform:none}
.spine-book article,.spine-book article:not(:first-child){grid-template-columns:56px 1fr}.spine-book article:first-child .media-slot{grid-column:1/-1}
.status-board article{grid-template-columns:1fr}.topic-list article:nth-child(even),.topic-list article:nth-child(odd){margin:0}
.center-grid article:last-child,.help-grid article:last-child{grid-column:auto;max-width:none}.app-page>.app-text:last-child{grid-column:auto}
.site-fold{right:6%;bottom:64px;width:88%;max-height:70vh}
.search-layer{inset:0;left:0;top:0;width:100%;height:100%;transform:none;background:var(--ink);padding:16px;padding-top:max(16px,env(safe-area-inset-top))}
.search-layer.is-open{transform:none}.search-card{height:100%;overflow:auto;background:var(--ink);color:var(--gold);border-color:var(--gold)}.search-head p{color:var(--gold)}
.search-layer .close-btn{background:var(--ink);color:var(--gold);border-color:var(--gold)}.search-card input{background:#272216;color:var(--paper);border-color:var(--gold)}
.search-presets a{background:#272216;color:var(--paper);border-color:var(--gold-dark)}
.footer-links{grid-template-columns:1fr 1fr}
.mobile-bottom{position:fixed;z-index:75;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(--panel);border-top:1px solid var(--border-strong)}
.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.is-current{background:var(--gold);color:var(--ink);font-weight:800}
}
@media(max-width:420px){.app-entry,.fold-open{padding:0 10px;font-size:13px}h1{font-size:22px}.home-seals{gap:14px}}