:root{--paper:#F4EDE0;--paper2:#E4D6C0;--card:#FBF6EC;--soft:#EDE3D0;--ink:#1C160C;--text:#2A2214;--muted:#5A4A30;--aux:#7A6848;--gold:#8A6A28;--copper:#C49A3C;--line:rgba(28,22,12,.12);--strong:rgba(138,106,40,.50);--shadow:0 12px 28px rgba(28,22,12,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}a,button{outline:none}a:focus-visible,button:focus-visible{box-shadow:0 0 0 3px rgba(196,154,60,.35)}img{max-width:100%;display:block}.site-header{position:relative;z-index:50}.gold-edge{position:fixed;top:0;left:0;right:0;height:20px;background:var(--ink);color:var(--copper);font-size:12px;z-index:60}.edge-inner,.heading-inner,.pin-inner{width:min(960px,calc(100% - 32px));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between}.edge-search{height:20px;border:0;background:transparent;color:var(--copper);padding:0 8px;cursor:pointer}.dark-heading{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--card);border-bottom:1px solid var(--strong);z-index:59}.brand-home{display:flex;align-items:center;min-height:44px}.brand-logo{height:24px;width:auto;object-fit:contain;object-position:left center}.brand-text{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.04em}.heading-actions{display:flex;gap:8px;align-items:center}.app-link,.drawer-toggle,.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:3px;font-size:14px;white-space:nowrap}.app-link{border:1px solid var(--gold);background:var(--card);color:var(--ink)}.drawer-toggle{border:1px solid var(--ink);background:var(--ink);color:var(--card);cursor:pointer}.gold-pin-nav{position:fixed;top:74px;left:0;right:0;height:44px;background:var(--card);border-bottom:1px solid var(--line);z-index:58}.pin-inner{justify-content:center;gap:54px}.pin-item{height:36px;display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);padding:0 8px}.pin-mark{width:3px;height:22px;background:var(--ink);display:block}.pin-item.active .pin-mark{background:var(--copper)}.pin-item.active{color:var(--ink);font-weight:700}.site-main{padding-top:142px;padding-bottom:40px;min-height:60vh}.page-shell{width:min(960px,calc(100% - 32px));margin:0 auto}.page-intro{margin:0 0 28px}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--gold);font-weight:800;text-transform:uppercase}.page-intro h1,.home-lead h1{font-size:24px;line-height:1.3;color:var(--ink);margin:8px 0 12px}.page-intro p,.home-lead p{max-width:760px}.lead-sentence{font-size:18px;color:var(--ink);font-weight:700}.btn-primary{background:linear-gradient(135deg,#1C160C 0%,#C49A3C 100%);color:var(--card);border:1px solid var(--ink)}.btn-secondary{background:var(--card);border:1px solid var(--gold);color:var(--ink)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.media-slot{background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-slot.h176{height:176px}.media-slot.h200{height:200px}.media-slot.h220{height:220px}.media-slot.app-visual{height:320px}.media-slot.icon-slot{width:64px;height:64px;margin:0 auto 12px}.media-slot.icon-slot img{max-width:48px;max-height:48px}.section{margin:34px 0}.section h2{font-size:20px;color:var(--ink);margin:0 0 14px}.section h3{font-size:16px;color:var(--ink);margin:0 0 8px}.section p{margin:0 0 12px}.subtle{color:var(--muted)}.rule{height:1px;background:var(--line);margin:26px 0}.home-pin-index{display:flex;gap:26px;margin-bottom:18px}.home-pin-index a{display:flex;align-items:center;gap:9px;font-size:13px}.home-pin-index i{width:3px;height:22px;background:var(--copper);display:block}.split-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}.split-card{background:var(--card);border:1px solid var(--line);padding:14px}.split-card.dark{background:var(--ink);color:var(--paper)}.split-card.dark h3{color:var(--copper)}.single-log{display:grid;gap:12px}.log-entry{display:grid;grid-template-columns:70px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line)}.log-no{font-size:24px;color:var(--gold);font-weight:800}.fold-pair{display:grid;grid-template-columns:1.05fr .95fr;gap:0;border:1px solid var(--strong);background:var(--card)}.fold-page{padding:18px}.fold-page+.fold-page{border-left:1px solid var(--strong);background:var(--soft)}.shelf-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}.shelf-card{border:1px solid var(--line);background:var(--card);padding:16px}.shelf-head{margin-bottom:12px}.period-board{border-top:2px solid var(--gold)}.period-row{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.period-row strong{color:var(--gold)}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start;padding:14px;background:var(--card);border-left:4px solid var(--gold)}.status-badge{font-weight:800;color:var(--gold)}.app-row{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:28px;align-items:center}.view-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.view-points article{border-top:3px solid var(--gold);background:var(--card);padding:14px}.faq-mini{display:grid;gap:10px}.faq-mini details{background:var(--card);border:1px solid var(--line);padding:12px 14px}.faq-mini summary{cursor:pointer;color:var(--ink);font-weight:700}.brand-story{background:var(--ink);color:var(--paper);padding:20px;border-top:3px solid var(--copper)}.brand-story h2{color:var(--copper)}
/* inner layouts */
.tally-list{display:grid;gap:14px}.tally-item{background:var(--card);border-left:3px solid var(--gold);padding:18px}.duo-open{display:grid;grid-template-columns:1fr 1fr;gap:16px}.duo-open article{background:var(--card);border:1px solid var(--line);padding:16px}.duo-open article:nth-child(even){background:var(--soft)}.fold-stack{display:grid;gap:0;border:1px solid var(--strong)}.fold-stack article{padding:18px 20px;background:var(--card)}.fold-stack article:nth-child(even){margin-left:6%;background:var(--soft);border-left:1px solid var(--strong)}.plain-column{max-width:760px}.plain-column article{padding:16px 0;border-bottom:1px solid var(--line)}.triple-period{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.triple-period article{background:var(--card);border-top:4px solid var(--gold);padding:16px}.status-track{display:grid;gap:8px}.status-track article{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px;border-bottom:1px solid var(--line)}.check-list{counter-reset:item}.check-list article{position:relative;padding:16px 16px 16px 58px;background:var(--card);margin-bottom:10px}.check-list article:before{counter-increment:item;content:counter(item,decimal-leading-zero);position:absolute;left:16px;top:16px;color:var(--gold);font-weight:800}.method-flow{display:grid;gap:16px}.method-flow article{display:grid;grid-template-columns:90px 1fr;gap:16px;align-items:start}.method-flow .method-label{background:var(--ink);color:var(--copper);padding:12px;text-align:center}.topic-list article{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}.center-cards{max-width:760px;margin:0 auto;display:grid;gap:14px}.center-card{text-align:center;background:var(--card);border:1px solid var(--line);padding:20px}.policy article{padding:18px 0;border-top:1px solid var(--line)}.policy article h2{display:flex;gap:10px;align-items:center}.policy article h2 span{color:var(--gold);font-size:13px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--line);padding:16px}.faq-item h2{font-size:16px;margin:0 0 8px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-grid article{background:var(--card);padding:18px;border-top:3px solid var(--gold)}.about-banner{height:200px;margin-bottom:20px}.about-statement{display:grid;grid-template-columns:220px 1fr;gap:22px}.about-statement aside{background:var(--ink);color:var(--paper);padding:18px}.about-statement aside h2{color:var(--copper)}
.site-footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--copper);font-size:13px;padding:30px 0 70px}.footer-inner{width:min(960px,calc(100% - 32px));margin:auto}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-brand strong,.footer-brand span{display:block}.footer-brand span{color:var(--copper);font-size:11px}.footer-logo{height:24px;width:auto;object-fit:contain}.footer-groups{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:18px}.footer-groups h2{font-size:13px;color:var(--copper);margin:0 0 8px}.footer-groups a{display:block;color:var(--paper);opacity:.9;padding:2px 0}.footer-note{margin-top:24px;color:#D8CCB8}.copyright{color:var(--copper)}.overlay{position:fixed;inset:0;background:rgba(28,22,12,.46);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.show{opacity:1;visibility:visible;pointer-events:auto}.gold-drawer{position:fixed;z-index:90;left:50%;bottom:18px;width:280px;max-width:88vw;height:min(340px,72vh);transform:translate(-50%,calc(100% + 50px));background:var(--card);border:1px solid var(--copper);box-shadow:var(--shadow);visibility:hidden;pointer-events:none;transition:.25s}.gold-drawer.open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{height:52px;display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:8px}.drawer-brand img{height:24px;width:auto;object-fit:contain}.close-btn{min-height:36px;padding:0 10px;border:1px solid var(--gold);background:var(--card);color:var(--ink);cursor:pointer}.drawer-scroll{height:calc(100% - 52px);overflow:auto;padding:8px 10px}.drawer-group h2{font-size:12px;color:var(--gold);margin:10px 0 5px}.drawer-group a{display:grid;grid-template-columns:74px 1fr;gap:8px;padding:6px 0;border-top:1px solid var(--line)}.drawer-group b{font-size:13px;color:var(--ink)}.drawer-group span{font-size:11px;color:var(--muted);line-height:1.45}.search-layer{position:fixed;z-index:91;top:74px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(680px,calc(100% - 32px));margin:0 auto;background:var(--card);border:1px solid var(--copper);box-shadow:var(--shadow);padding:16px}.search-head{display:flex;justify-content:space-between;align-items:center}.search-prompt{color:var(--muted)}.search-look{border:1px solid var(--line);min-height:44px;padding:10px 12px;color:var(--aux)}.search-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-links a{min-height:40px;display:flex;align-items:center;padding:0 12px;border:1px solid var(--gold)}.mobile-bottom{display:none}
@media(max-width:700px){.gold-pin-nav{display:none}.site-main{padding-top:94px;padding-bottom:76px}.heading-inner,.edge-inner{width:calc(100% - 24px)}.brand-logo{max-width:126px}.app-link,.drawer-toggle{padding:0 10px;min-width:44px}.split-cards,.shelf-cards,.duo-open,.triple-period,.contact-grid{grid-template-columns:1fr}.fold-pair{grid-template-columns:1fr}.fold-page+.fold-page{border-left:0;border-top:1px solid var(--strong)}.app-row{grid-template-columns:1fr}.view-points{grid-template-columns:1fr}.period-row,.status-track article,.topic-list article,.method-flow article,.about-statement{grid-template-columns:1fr}.log-entry{grid-template-columns:52px 1fr}.footer-groups{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:88px}.mobile-bottom{position:fixed;z-index:70;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--gold);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px}.mobile-bottom a.active{background:var(--gold);color:var(--card)}.search-layer{inset:0;background:var(--ink);top:0}.search-layer.open{display:flex;align-items:flex-start}.search-card{width:100%;min-height:100%;margin:0;background:var(--ink);color:var(--copper);border:0;padding:28px 16px}.search-card .close-btn{background:var(--ink);color:var(--copper);border-color:var(--copper)}.search-prompt,.search-look{color:var(--paper)}.search-look,.search-links a{border-color:rgba(196,154,60,.55)}.search-links a{color:var(--paper)}.fold-stack article:nth-child(even){margin-left:0}.home-pin-index{margin-top:4px}}