:root{--bg:#F6F0DC;--deep:#E6DCC0;--paper:#FBF7EA;--soft:#EFE6CE;--ink:#18140A;--text:#2A2414;--sub:#5A4E30;--muted:#7A6E48;--gold:#6E5418;--honey:#C9A03A;--line:rgba(24,20,10,.12);--focus:rgba(110,84,24,.50);--shadow:0 12px 28px rgba(24,20,10,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}html.locked,body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}.top-strip{position:fixed;z-index:70;top:0;left:0;right:0;height:20px;background:var(--ink);color:var(--honey);font-size:12px}.top-strip-inner,.brand-inner,.leaf-nav-inner,.footer-inner,.site-main{max-width:960px;margin:0 auto}.top-strip-inner{height:20px;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.text-button,.menu-button,.icon-close{border:0;background:none;color:inherit;cursor:pointer}.text-button{min-height:20px;padding:0 0 0 12px}.brand-bar{position:fixed;z-index:69;top:20px;left:0;right:0;height:54px;background:var(--paper);border-bottom:1px solid var(--focus)}.brand-inner{height:54px;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo,.footer-logo{height:24px;width:auto;max-width:190px}.brand-fallback{font-weight:800;font-size:16px;color:var(--ink)}.brand-actions{display:flex;align-items:center;gap:8px}.small-action,.menu-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:0 14px}.small-action{background:linear-gradient(135deg,#18140A 0%,#C9A03A 100%);color:var(--paper);font-size:14px}.menu-button{border:1px solid var(--gold);color:var(--ink);background:var(--paper);font-size:14px}.leaf-nav{position:fixed;z-index:68;top:74px;left:0;right:0;height:46px;background:var(--paper);border-bottom:1px solid var(--line)}.leaf-nav-inner{height:46px;padding:0 16px;display:flex;gap:28px;align-items:center}.leaf-link{font-size:13px;display:inline-flex;align-items:center;gap:7px;min-height:44px;color:var(--sub)}.leaf-mark{display:inline-block;width:22px;height:14px;border-radius:10px 8px 10px 2px;border:1px solid var(--gold);background:transparent}.leaf-link.is-current{color:var(--ink);font-weight:700}.leaf-link.is-current .leaf-mark{background:var(--honey)}.site-main{padding:152px 16px 64px}.page-title{margin:0 0 14px;color:var(--ink);font-size:24px;line-height:1.3}.lead{font-size:17px;line-height:1.7;color:var(--sub);margin:0 0 18px}.section{margin:28px 0;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:var(--shadow)}.section h2{font-size:20px;color:var(--ink);margin:0 0 12px}.section h3{font-size:16px;color:var(--ink);margin:18px 0 8px}.section p{margin:0 0 14px}.section p:last-child{margin-bottom:0}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:112px;padding:0 18px;border-radius:12px;font-size:14px;font-weight:700}.primary-button{background:linear-gradient(135deg,#18140A 0%,#C9A03A 100%);color:var(--paper)}.secondary-button{background:var(--paper);border:1px solid var(--gold);color:var(--ink)}a:hover,.text-button:hover,.menu-button:hover{opacity:.88}a:focus-visible,button:focus-visible{outline:3px solid rgba(201,160,58,.4);outline-offset:2px}.image-slot{background:var(--paper);border:1px solid var(--line);border-radius:18px;display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot img{max-height:100%;max-width:100%}.index-leaves{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 18px}.index-leaves a{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.index-leaves i{width:22px;height:14px;border-radius:10px 8px 10px 2px;border:1px solid var(--gold);background:var(--honey)}.hero-intro{padding:28px;background:linear-gradient(145deg,var(--paper),var(--soft));border:1px solid var(--line);border-radius:20px}.hero-intro p{max-width:760px}.vertical-split{display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:22px;align-items:stretch}.vertical-split .image-slot{height:200px}.double-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}.double-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:20px}.double-card .image-slot{height:220px;margin-bottom:14px}.ring-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:18px;align-items:stretch}.ring-side{display:grid;gap:18px}.ring-core{border:1px solid var(--focus);border-radius:20px;padding:22px;background:var(--soft)}.ring-side .image-slot{min-height:210px}.archive-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.archive-card{border:1px solid var(--line);background:var(--paper);border-radius:18px;padding:20px}.archive-card .image-slot{height:200px;margin-bottom:14px}.phase-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.phase{padding:18px;border-radius:16px;background:var(--paper);border:1px solid var(--line)}.phase strong{display:block;color:var(--gold);margin-bottom:8px}.status-list{display:grid;gap:12px}.status-item{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}.status-badge{display:inline-flex;min-height:36px;align-items:center;justify-content:center;padding:0 12px;border-radius:999px;background:var(--ink);color:var(--paper);font-size:13px}.app-stack{display:grid;gap:18px}.app-media{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}.app-main{height:300px}.app-icon{width:68px;height:68px}.check-list{display:grid;gap:12px}.check-item{padding:16px 18px;border-left:4px solid var(--honey);background:var(--paper);border-radius:0 16px 16px 0}.method-steps{display:grid;gap:14px}.method-step{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}.method-step b{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--ink);color:var(--honey)}.topic-list{display:grid;gap:14px}.topic-item{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:18px}.center-card{max-width:760px;margin:28px auto;padding:28px;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.terms{display:grid;gap:16px}.term{padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.faq-list{display:grid;gap:12px}.faq-item{padding:20px;border-radius:18px;background:var(--paper);border:1px solid var(--line)}.faq-item h2{font-size:16px;margin:0 0 10px}.banner-slot{height:200px}.brand-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,320px);gap:18px;align-items:center}.brand-block .image-slot{height:260px}.site-footer{background:var(--ink);color:var(--bg);border-top:1px solid var(--honey);font-size:13px}.footer-inner{padding:34px 16px 84px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-brand div{display:grid;gap:2px}.footer-brand span{color:var(--honey);font-size:11px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups section{display:grid;align-content:start;gap:6px}.footer-groups h2{font-size:14px;color:var(--honey);margin:0 0 5px}.footer-groups a{color:var(--bg)}.footer-note{color:#d9ccb0;margin-top:24px}.footer-copy{color:var(--honey);margin-bottom:0}.overlay{position:fixed;inset:0;z-index:80;background:rgba(24,20,10,.55);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.site-drawer{position:fixed;z-index:90;right:18px;top:86px;width:300px;max-height:350px;border-radius:18px;background:var(--paper);border:1px solid var(--focus);box-shadow:var(--shadow);visibility:hidden;opacity:0;transform:translateY(-14px);pointer-events:none;transition:.22s;overflow:hidden}.site-drawer.is-open{visibility:visible;opacity:1;transform:none;pointer-events:auto}.drawer-head{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:24px;max-width:150px}.icon-close{width:44px;height:44px;font-size:24px}.drawer-scroll{max-height:294px;overflow:auto;padding:14px}.drawer-scroll section+section{margin-top:16px}.drawer-scroll h2{font-size:13px;color:var(--gold);margin:0 0 8px}.drawer-scroll a{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:8px;border-radius:10px}.drawer-scroll a:hover{background:var(--soft)}.drawer-scroll b{font-size:13px}.drawer-scroll span{font-size:12px;color:var(--sub);line-height:1.5}.search-panel{position:fixed;z-index:91;left:50%;top:82px;transform:translateX(-50%) translateY(-12px);width:min(620px,calc(100% - 32px));visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-panel.is-open{visibility:visible;opacity:1;transform:translateX(-50%);pointer-events:auto}.search-card{background:var(--paper);border:1px solid var(--focus);border-radius:18px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-head strong{font-size:18px;color:var(--ink)}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;border:1px solid var(--gold);border-radius:12px}.mobile-nav{display:none}.notice{padding:16px 18px;border-radius:16px;background:var(--deep);border:1px solid var(--line)}.muted{color:var(--sub)}
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