:root{--bg:#F6EDE0;--deep:#EAD7C0;--white:#FFFFFF;--soft:#E8D2B4;--title:#3A2414;--text:#4A3220;--muted:#7A5634;--helper:#9A7450;--brand:#C4843C;--light:#D9A05A;--dark:#8B5A2B;--cream:#FFF6EA;--line:rgba(196,132,60,.18);--line-strong:rgba(196,132,60,.46);--shadow:0 12px 28px rgba(58,36,20,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 Arial,"Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.topline{position:fixed;top:0;left:0;right:0;height:20px;background:var(--dark);color:var(--cream);z-index:60;font-size:12px}.topline-inner,.brandbar-inner,.quicknav-inner,.footer-inner,.page-shell{max-width:960px;margin:0 auto;padding-left:16px;padding-right:16px}.topline-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--cream);padding:0 6px;cursor:pointer}.brandbar{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--white);border-bottom:1px solid var(--line);z-index:59}.brandbar-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brandmark{display:flex;align-items:center;min-height:44px;font-size:16px;font-weight:700;color:var(--title)}.brandmark img,.footer-brand img,.sheet-brand img{height:24px;width:auto;max-width:160px;object-fit:contain}.brand-actions{display:flex;align-items:center;gap:8px}.header-link,.menu-button{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:9px;font-size:14px}.header-link{border:1px solid var(--line-strong);background:var(--white);color:var(--title)}.menu-button{border:0;background:linear-gradient(135deg,var(--light) 0%,var(--brand) 55%,var(--dark) 100%);color:var(--cream);cursor:pointer}.quicknav{position:fixed;top:74px;left:0;right:0;height:44px;background:var(--cream);border-bottom:1px solid var(--line);z-index:58}.quicknav-inner{height:44px;display:flex;align-items:center;gap:20px}.quick-item{display:flex;align-items:center;gap:8px;min-height:44px;color:var(--title);font-size:13px}.quick-shape{width:18px;height:14px;border:1px solid var(--brand);border-radius:5px}.quick-item.is-current .quick-shape{background:var(--brand)}.site-main{padding-top:118px}.page-shell{padding-top:34px;padding-bottom:56px}h1,h2,h3{color:var(--title);margin:0}h1{font-size:24px;line-height:1.3;margin-bottom:12px}h2{font-size:20px;line-height:1.4;margin-bottom:12px}h3{font-size:16px;line-height:1.45;margin-bottom:8px}p{margin:0 0 14px}.eyebrow{font-size:13px;color:var(--muted);margin-bottom:10px}.lead{font-size:16px;color:var(--text);max-width:760px}.hero-plain{padding:28px 0 26px;border-bottom:1px solid var(--line)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:42px;padding:0 18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.btn-primary{background:linear-gradient(135deg,var(--light) 0%,var(--brand) 55%,var(--dark) 100%);color:var(--cream)}.btn-secondary{background:var(--white);border:1px solid var(--line-strong);color:var(--title)}.btn:hover,.header-link:hover,.quick-item:hover,.site-footer a:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible{outline:3px solid rgba(196,132,60,.35);outline-offset:2px}.media-slot{background:var(--cream);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-176{height:176px}.slot-168{height:168px}.slot-160{height:160px}.slot-app{height:320px;width:240px;max-width:100%}.slot-banner{height:200px;width:100%}.slot-icon{height:48px;width:48px;border-radius:10px}.knot-slot{height:176px;width:240px;max-width:100%;margin:0 auto}.section{padding:30px 0;border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.section-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-end;margin-bottom:16px}.section-head p{margin:0;color:var(--muted);max-width:540px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.entry-card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:var(--shadow)}.entry-card .media-slot{margin-bottom:16px}.cut-layout{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}.cut-copy{background:var(--white);border-left:4px solid var(--brand);border-radius:10px;padding:22px}.page-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.page-card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:18px}.single-note{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:22px;box-shadow:var(--shadow)}.focus-list,.state-list,.memo-list,.album-list,.method-list,.terms-list{display:grid;gap:12px}.focus-item,.state-item,.memo-item,.album-item,.method-item,.term-item{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:18px}.state-item{display:grid;grid-template-columns:130px 1fr;gap:16px}.status{font-size:13px;color:var(--dark);font-weight:700}.center-card{max-width:760px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:28px;box-shadow:var(--shadow)}.app-wrap{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}.app-images{display:grid;gap:12px;justify-items:start}.app-copy{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:22px}.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.mini-grid>div{background:var(--cream);border:1px solid var(--line);border-radius:10px;padding:14px}.faq-mini{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-mini details,.faq-list details{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.faq-mini summary,.faq-list summary{cursor:pointer;color:var(--title);font-weight:700}.faq-list{display:grid;gap:12px}.banner-head{margin-bottom:24px}.index-guide{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.index-guide a{font-size:13px;padding:7px 10px;background:var(--cream);border:1px solid var(--line);border-radius:999px}.site-footer{background:var(--dark);color:var(--cream);font-size:13px;border-top:1px solid rgba(255,246,234,.22);padding:30px 0 72px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-brand div{display:grid}.footer-brand span{opacity:.8}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px 0;border-top:1px solid rgba(255,246,234,.18);border-bottom:1px solid rgba(255,246,234,.18)}.footer-groups h2{font-size:13px;color:var(--cream);margin-bottom:8px}.footer-groups a{display:block;color:var(--cream);opacity:.92;min-height:30px}.footer-note{margin-top:18px;max-width:820px}.copyright{margin-bottom:0;opacity:.82}.screen-overlay{position:fixed;inset:0;background:rgba(58,36,20,.32);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.bottom-sheet{position:fixed;left:0;right:0;bottom:0;max-height:220px;background:var(--white);z-index:80;border-radius:14px 14px 0 0;box-shadow:0 -16px 40px rgba(58,36,20,.16);padding:14px 16px 18px;transform:translateY(105%);visibility:hidden;pointer-events:none;transition:.22s;overflow:auto}.bottom-sheet.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.sheet-head{max-width:960px;margin:0 auto 10px;display:flex;justify-content:space-between;align-items:center}.sheet-brand{display:flex;align-items:center;gap:8px}.close-button{min-height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:9px;background:var(--white);color:var(--title);cursor:pointer}.sheet-grid{max-width:960px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1.2fr .9fr 1.6fr;gap:16px}.sheet-grid b{display:block;color:var(--title);margin-bottom:5px}.sheet-grid a{display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:baseline;min-height:28px}.sheet-grid small{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-panel{position:fixed;top:74px;left:0;right:0;z-index:85;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{max-width:928px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:0 0 12px 12px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;align-items:center}.search-links{display:flex;flex-wrap:wrap;gap:8px}.search-links a{min-height:40px;padding:0 14px;display:inline-flex;align-items:center;background:var(--cream);border:1px solid var(--line);border-radius:9px}.mobile-bottom{display:none}.locked{overflow:hidden}.prose p{margin-bottom:16px}.prose ul{padding-left:20px}.anchor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0}.anchor-grid a{background:var(--white);border:1px solid var(--line);border-radius:9px;padding:10px 12px;text-align:center}.quote-line{border-left:4px solid var(--brand);padding:12px 16px;background:var(--cream);border-radius:0 10px 10px 0}.notice{background:var(--cream);border:1px solid var(--line-strong);border-radius:10px;padding:16px}.compact-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:10px;overflow:hidden}.compact-table th,.compact-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.compact-table th{color:var(--title);background:var(--cream)}
@media(max-width:760px){.quicknav{display:none}.site-main{padding-top:74px;padding-bottom:56px}.page-shell{padding-top:24px}.two-col,.page-cards,.faq-mini,.app-wrap,.cut-layout,.mini-grid,.anchor-grid{grid-template-columns:1fr}.knot-slot{margin:0}.state-item{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:92px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:65;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(--white);border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:var(--title)}.mobile-bottom a.is-current{background:var(--brand);color:var(--cream)}.bottom-sheet{max-height:68%;padding-bottom:calc(18px + env(safe-area-inset-bottom))}.sheet-grid{grid-template-columns:1fr 1fr}.sheet-grid a{grid-template-columns:1fr}.sheet-grid small{white-space:normal}.search-panel{top:0;bottom:0;background:var(--dark)}.search-card{height:100%;max-width:none;border:0;border-radius:0;background:var(--dark);color:var(--cream);padding:28px 16px}.search-head strong{color:var(--cream)}.search-card p{color:var(--cream)}.search-links{display:grid;grid-template-columns:1fr 1fr}.search-links a{background:var(--cream);color:var(--title)}.search-card .close-button{background:transparent;color:var(--cream);border-color:rgba(255,246,234,.5)}.slot-app{width:240px}.app-images{justify-items:start}}@media(max-width:460px){.header-link,.menu-button{padding:0 10px}.footer-groups,.sheet-grid{grid-template-columns:1fr}.sheet-grid small{display:none}.bottom-sheet{max-height:68%}.section-head{align-items:flex-start;flex-direction:column}.brandmark img{max-width:130px}}