:root{
  --bg:#F6EDE0;--deep:#EAD7C0;--card:#FFFFFF;--soft:#E8D2B4;--title:#3A2414;--text:#4A3220;--muted:#7A5634;--faint:#9A7450;--brand:#C4843C;--bright:#D9A05A;--dark:#8B5A2B;--cream:#FFF6EA;--border:rgba(196,132,60,.18);--border-strong:rgba(196,132,60,.46);--shadow:0 12px 28px rgba(58,36,20,.08);--radius:10px;--max:960px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);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}a{color:inherit;text-decoration:none}button,input{font:inherit}img{display:block;max-width:100%;object-fit:contain;object-position:center}.skip-link{position:fixed;left:12px;top:-80px;z-index:999;background:var(--card);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.topline{position:fixed;z-index:90;left:0;right:0;top:0;height:20px;background:var(--dark);color:var(--cream);font-size:12px}.topline-inner{max-width:var(--max);height:20px;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.text-trigger{border:0;background:transparent;color:var(--cream);padding:0 6px;cursor:pointer}.brandbar{position:fixed;z-index:89;left:0;right:0;top:20px;height:54px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - var(--max))/2 + 16px))}.brand-link{min-height:44px;display:flex;align-items:center;gap:8px}.logo-slot{display:flex;align-items:center;justify-content:center}.logo-slot-small{height:24px;min-width:24px}.logo-slot-small img{height:24px;width:auto}.brand-fallback{font-size:16px;font-weight:750;color:var(--title)}.logo-slot-small:has(img)+.brand-fallback{display:none}.brand-actions{display:flex;align-items:center;gap:8px}.mini-link,.menu-trigger,.sheet-close,.search-head button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:0 13px}.mini-link{background:linear-gradient(135deg,var(--bright) 0%,var(--brand) 55%,var(--dark) 100%);color:var(--cream)}.menu-trigger,.sheet-close,.search-head button{border:1px solid var(--border-strong);background:var(--card);color:var(--title);cursor:pointer}.quicknav{position:fixed;z-index:88;left:0;right:0;top:74px;height:44px;background:var(--cream);border-bottom:1px solid var(--border)}.quicknav-inner{max-width:var(--max);margin:auto;height:44px;padding:0 16px;display:flex;align-items:center;gap:14px}.quick-item{min-height:36px;display:inline-flex;align-items:center;gap:7px;padding:0 12px;border-radius:9px;border:1px solid var(--border-strong);color:var(--title)}.knot-dot{width:18px;height:14px;border:1px solid var(--brand);border-radius:6px;display:inline-block}.quick-item.is-active{background:var(--brand);color:var(--cream);border-color:var(--brand)}.quick-item.is-active .knot-dot{border-color:var(--cream);background:rgba(255,246,234,.18)}.site-main{padding-top:118px;min-height:70vh}.wrap{max-width:var(--max);margin:0 auto;padding:28px 16px 48px}.page-hero{margin:0 0 24px}.eyebrow{font-size:13px;color:var(--brand);font-weight:700;margin:0 0 8px}.index-strip{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}.index-strip a{min-height:40px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--border-strong);background:var(--card);border-radius:999px;color:var(--title)}h1,h2,h3{color:var(--title);margin-top:0}h1{font-size:24px;line-height:1.3;margin-bottom:10px}h2{font-size:20px;line-height:1.35;margin-bottom:10px}h3{font-size:16px;line-height:1.45;margin-bottom:6px}.lead{font-size:16px;color:var(--muted);max-width:760px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-primary,.btn-secondary{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:9px;font-size:14px;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--bright) 0%,var(--brand) 55%,var(--dark) 100%);color:var(--cream)}.btn-secondary{background:var(--card);border:1px solid var(--border-strong);color:var(--title)}a:hover{opacity:.88}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(196,132,60,.32);outline-offset:2px}.section{margin:0 0 30px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.pad{padding:20px}.media-slot{background:var(--cream);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain}.slot-160{height:160px}.slot-168{height:168px}.slot-176{height:176px}.knot-slot{width:240px;height:176px;max-width:100%;clip-path:polygon(8% 0,92% 0,100% 18%,100% 82%,92% 100%,8% 100%,0 82%,0 18%)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.article-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.stack{display:grid;gap:14px}.note-list{display:grid;gap:10px}.note-list article{background:var(--card);border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;padding:15px 16px;box-shadow:var(--shadow)}.flow-wrap{display:grid;grid-template-columns:240px 1fr;gap:22px;align-items:start}.app-visual{height:320px;width:240px;max-width:100%;background:var(--cream);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;position:relative}.app-visual>img:first-child{width:100%;height:100%}.app-icon-float{position:absolute!important;width:48px!important;height:48px!important;left:14px;bottom:14px;background:var(--card);border-radius:10px;border:1px solid var(--border);padding:4px}.text-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:minmax(140px,1fr) auto;gap:14px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:15px}.status-pill{font-size:13px;color:var(--dark);background:var(--cream);border:1px solid var(--border-strong);border-radius:999px;padding:5px 10px;white-space:nowrap}.center-card{max-width:720px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.prose p{margin:0 0 14px}.prose ul{padding-left:20px}.prose li{margin-bottom:7px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:12px}.section-title p{margin:0;color:var(--muted);font-size:13px}.faq-grid{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.faq-item h2{font-size:16px;margin-bottom:8px}.banner-slot{height:200px;width:100%;background:var(--cream);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin-bottom:20px}.banner-slot img{width:100%;height:100%}.media-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.media-card .body{padding:16px}.rail-layout{display:grid;grid-template-columns:230px 1fr;gap:20px}.rail-layout .rail{background:var(--deep);border-radius:var(--radius);padding:18px;align-self:start}.rail-layout .rail a{display:block;background:var(--cream);padding:10px 12px;border-radius:8px;margin-bottom:8px}.zigzag{display:grid;gap:16px}.zigzag article:nth-child(even){margin-left:8%}.zigzag article:nth-child(odd){margin-right:8%}.method-steps{counter-reset:step;display:grid;gap:12px}.method-steps article{counter-increment:step;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;position:relative;padding-left:54px}.method-steps article:before{content:counter(step);position:absolute;left:16px;top:16px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:var(--cream);font-size:13px}.album-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.album-list article{background:var(--card);border-top:3px solid var(--brand);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.terms{display:grid;gap:16px}.terms section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.contact-paths{display:grid;gap:12px}.contact-paths article{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.site-footer{background:var(--dark);color:var(--cream);border-top:1px solid rgba(255,246,234,.4);font-size:13px}.footer-inner{max-width:var(--max);margin:auto;padding:28px 16px 26px}.footer-brand{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid rgba(255,246,234,.28)}.footer-brand div{display:flex;flex-direction:column;line-height:1.3}.footer-brand strong{font-size:16px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:20px 0}.footer-grid h2{font-size:13px;color:var(--cream);margin-bottom:8px}.footer-grid a{display:block;color:var(--cream);padding:4px 0}.footer-note{padding-top:14px;border-top:1px solid rgba(255,246,234,.2)}.copyright{margin-bottom:0}.overlay{position:fixed;inset:0;background:rgba(58,36,20,.38);z-index:150;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-visible{opacity:1;visibility:visible;pointer-events:auto}.sheet{position:fixed;z-index:160;left:0;right:0;bottom:0;background:var(--card);border-radius:14px 14px 0 0;box-shadow:0 -18px 40px rgba(58,36,20,.18);max-height:220px;transform:translateY(105%);visibility:hidden;pointer-events:none;transition:.24s ease;padding:12px 16px 16px;overflow:auto}.sheet.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.sheet-head{max-width:var(--max);margin:0 auto 10px;display:flex;justify-content:space-between;align-items:center}.sheet-title{display:flex;align-items:center;gap:9px}.sheet-groups{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.1fr 1.1fr .8fr 1.2fr;gap:12px}.sheet-groups h2{font-size:13px;margin:0 0 6px;color:var(--muted)}.sheet-groups a{display:block;padding:3px 0}.sheet-groups a strong{font-size:13px}.sheet-groups a span{display:block;color:var(--faint);font-size:11px;line-height:1.35}.search-layer{position:fixed;z-index:155;top:74px;left:0;right:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:start;justify-content:space-between;gap:14px}.search-head p{margin:2px 0 0;color:var(--muted);font-size:13px}.search-card label{display:block;margin-top:12px;color:var(--muted);font-size:13px}.search-card input{width:100%;min-height:44px;border:1px solid var(--border-strong);border-radius:9px;padding:0 12px;background:var(--cream);color:var(--title);margin:6px 0 12px}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:999px;padding:0 13px;background:var(--card)}.mobile-bottom{display:none}.ui-locked{overflow:hidden}.visual-caption{font-size:13px;color:var(--muted);margin-top:8px}.split-feature{display:grid;grid-template-columns:240px 1fr;gap:18px;align-items:center}.quote-band{background:var(--brand);color:var(--cream);border-radius:var(--radius);padding:18px;margin:18px 0}.quote-band h2,.quote-band h3{color:var(--cream)}.compact-links{display:flex;flex-wrap:wrap;gap:8px}.compact-links a{background:var(--card);border:1px solid var(--border-strong);border-radius:999px;padding:8px 12px}.index-home .section{scroll-margin-top:130px}.home-intro{padding-top:18px}.home-intro .lead{max-width:820px}.home-grid-uneven{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.home-end{display:grid;grid-template-columns:1fr 1fr;gap:16px}.home-end>section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.home-end .brand-long{grid-column:1/-1}.blank-slot{min-height:100%;width:100%}
@media(max-width:760px){
 body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.quicknav{display:none}.site-main{padding-top:74px}.brandbar{padding:0 12px}.brand-fallback{font-size:15px}.mini-link,.menu-trigger{padding:0 10px}.wrap{padding:22px 16px 36px}.two-col,.article-grid,.home-grid-uneven,.home-end,.album-list,.rail-layout,.split-feature,.flow-wrap{grid-template-columns:1fr}.flow-wrap{justify-items:start}.zigzag article:nth-child(even),.zigzag article:nth-child(odd){margin:0}.footer-grid{grid-template-columns:1fr 1fr}.sheet{max-height:68vh}.sheet-groups{grid-template-columns:1fr 1fr}.search-layer{top:0;bottom:0;background:var(--dark)}.search-layer.is-open{transform:none}.search-card{min-height:100%;border:0;border-radius:0;background:var(--dark);color:var(--cream);padding:24px 16px}.search-head strong,.search-head p,.search-card label{color:var(--cream)}.search-head button{background:var(--cream);border-color:var(--cream)}.search-card input{background:var(--cream);color:var(--title)}.search-presets a{background:rgba(255,246,234,.1);color:var(--cream);border-color:rgba(255,246,234,.4)}.mobile-bottom{position:fixed;z-index:120;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--border)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:48px}.mobile-bottom a.is-active{background:var(--brand);color:var(--cream)}.site-footer{padding-bottom:48px}.knot-slot{width:240px}.app-visual{width:240px}.status-row{grid-template-columns:1fr}.status-pill{justify-self:start}.home-end .brand-long{grid-column:auto}
}
@media(max-width:420px){.sheet-groups{grid-template-columns:1fr}.sheet{padding-bottom:calc(16px + env(safe-area-inset-bottom))}.footer-grid{grid-template-columns:1fr 1fr}.topline-inner{padding:0 10px}}