:root{--bg:#fff;--secondary:#fffbf0;--soft:#fff6e0;--gray:#f7f7f8;--text:#333;--title:#1a1a1a;--muted:#666;--help:#888;--yellow:#ffb800;--yellow2:#ffc933;--warm:#f5a623;--deep:#e09000;--pale:#ffe9a8;--border:rgba(255,184,0,.15);--gray-border:rgba(0,0,0,.08);--shadow:0 14px 40px rgba(30,25,10,.08);--yshadow:0 16px 42px rgba(255,184,0,.14);--max:1280px;--header:72px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}html.is-locked,body.is-locked{overflow:hidden}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}.shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:500;background:#1a1a1a;color:#fff;padding:10px 14px;border-radius:10px}.skip-link:focus{top:10px}.site-header{position:fixed;inset:0 0 auto;z-index:120;background:rgba(255,255,255,.96);border-bottom:1px solid var(--gray-border);backdrop-filter:blur(14px)}.nav-shell{height:var(--header);width:min(calc(100% - 28px),var(--max));margin:auto;display:flex;align-items:center;gap:14px}.brand{display:flex;align-items:center;min-width:112px;color:var(--title);font-size:22px;font-weight:900}.brand img,.panel-brand img,.footer-brand img{max-height:34px;max-width:160px;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:2px;min-width:0;flex:1}.desktop-nav a{position:relative;padding:12px 10px;white-space:nowrap;color:#4b4b4b;font-weight:700;border-radius:999px}.desktop-nav a:hover,.desktop-nav a:focus-visible{background:var(--secondary);outline:none}.desktop-nav a.is-active{color:var(--title);background:var(--soft)}.desktop-nav a.is-active:after{content:"";position:absolute;left:22%;right:22%;bottom:5px;height:3px;border-radius:3px;background:var(--yellow)}.nav-actions{display:flex;align-items:center;gap:8px}.nav-actions a,.nav-actions button,.mobile-menu{min-height:44px;padding:0 15px;border-radius:999px;border:1px solid var(--gray-border);background:#fff;color:var(--title);font-weight:800;white-space:nowrap}.nav-actions .primary-action{background:linear-gradient(135deg,var(--yellow2),var(--yellow) 55%,var(--deep));border-color:transparent;color:#1a1a1a}.nav-actions a:hover,.nav-actions button:hover,.mobile-menu:hover{border-color:rgba(255,184,0,.45);box-shadow:0 8px 24px rgba(255,184,0,.10)}.mobile-menu{display:none}.page-main{padding-top:calc(var(--header) + 28px);min-height:70vh}.page-hero{padding:34px 0 26px}.page-hero .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,420px);gap:32px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:900;letter-spacing:.08em;color:#7d6200;text-transform:uppercase}.eyebrow:before{content:"";width:26px;height:3px;border-radius:3px;background:var(--yellow)}h1,h2,h3{color:var(--title);line-height:1.22;margin:0}h1{font-size:clamp(28px,4vw,34px);margin:10px 0 14px}h2{font-size:clamp(20px,2.5vw,27px)}h3{font-size:18px}.lead{font-size:17px;color:#4b4b4b;max-width:760px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;font-weight:900;border:1px solid var(--gray-border)}.btn.primary{background:linear-gradient(135deg,var(--yellow2),var(--yellow) 55%,var(--deep));border-color:transparent;color:#1a1a1a;box-shadow:var(--yshadow)}.btn.secondary{background:#fff}.btn:hover,.btn:focus-visible{transform:translateY(-1px);outline:3px solid rgba(255,184,0,.28);outline-offset:2px}.section{padding:46px 0}.section.soft{background:var(--secondary)}.section.gray{background:var(--gray)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.section-head p{max-width:660px;margin:0;color:var(--muted)}.section-title{display:grid;gap:8px}.media-slot{overflow:hidden;border-radius:18px;background:var(--soft);border:1px solid var(--border);box-shadow:var(--shadow)}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-placeholder{min-height:220px;aspect-ratio:16/9;display:grid;place-items:center;background:linear-gradient(135deg,#fff8e1,#fff 60%,#fff3c9);color:#b17900;font-weight:900;letter-spacing:.12em}.hero-placeholder{min-height:280px}.media-slot.banner{max-height:420px}.media-slot.banner img{max-height:420px}.media-slot.column-art{max-height:330px}.media-slot.column-art img{max-height:330px}.quick-strip-wrap{padding:0 0 18px}.quick-strip{display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin;padding:10px 2px}.quick-strip a{flex:0 0 auto;border:1px solid var(--gray-border);background:#fff;border-radius:999px;padding:9px 14px;font-weight:800;color:#555}.quick-strip a:hover{border-color:var(--yellow);background:var(--secondary)}.home-desk{padding:20px 0 34px}.desk-grid{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(290px,1fr);gap:24px;align-items:stretch}.desk-side{background:#fff;border:1px solid var(--gray-border);border-radius:20px;padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:center}.desk-side h1{font-size:clamp(28px,3.5vw,38px)}.mini-list{display:grid;gap:10px;margin-top:20px}.mini-list a{padding:12px 0;border-top:1px solid var(--gray-border);font-weight:800}.tag-grid,.card-grid,.index-grid,.folder-grid,.rank-grid{display:grid;gap:16px}.tag-grid{grid-template-columns:repeat(4,1fr)}.tag-card,.card,.index-card,.folder-card,.rank-card{background:#fff;border:1px solid var(--gray-border);border-radius:16px;padding:20px;box-shadow:var(--shadow)}.tag-card{position:relative;padding-top:28px}.tag-card:before{content:"";position:absolute;left:20px;top:14px;width:9px;height:9px;border-radius:50%;background:var(--yellow)}.tag-card:nth-child(4n+2):before{background:var(--warm)}.tag-card:nth-child(4n+3):before{background:#d49d00}.tag-card:nth-child(4n):before{background:#ffd766}.tag-card p,.card p,.index-card p,.folder-card p,.rank-card p{color:var(--muted);margin:10px 0 0}.text-link{display:inline-flex;margin-top:12px;font-weight:900;color:#8b6500}.text-link:hover,.text-link:focus-visible{text-decoration:underline;outline:none}.rail{display:flex;gap:14px;overflow-x:auto;padding-bottom:10px}.rail article{flex:0 0 min(330px,82vw);background:#fff;border:1px solid var(--gray-border);border-radius:18px;padding:22px}.wide-index{display:grid;grid-template-columns:1.5fr 1fr;gap:22px}.wide-copy{background:#fff;border:1px solid var(--gray-border);border-radius:18px;padding:28px}.type-list{display:grid;gap:10px}.type-list article{padding:18px;background:var(--soft);border-radius:14px;border:1px solid var(--border)}.catalog-list{display:grid;gap:0;border-top:1px solid var(--gray-border)}.catalog-row{display:grid;grid-template-columns:68px 1fr auto;gap:18px;align-items:start;padding:20px 0;border-bottom:1px solid var(--gray-border)}.catalog-row .num{font-size:28px;font-weight:1000;color:#ba8500}.catalog-row p{margin:7px 0 0;color:var(--muted)}.masonry{columns:3 260px;column-gap:16px}.masonry article{break-inside:avoid;margin:0 0 16px;background:#fff;border:1px solid var(--gray-border);border-radius:18px;padding:20px}.masonry article:nth-child(3n+1){padding-bottom:34px}.masonry article:nth-child(3n+2){background:var(--secondary)}.folder-grid{grid-template-columns:repeat(2,1fr)}.folder-card{border-top:7px solid var(--yellow)}.rank-grid{grid-template-columns:repeat(3,1fr)}.rank-card .rank-no{font-size:48px;font-weight:1000;color:var(--yellow);line-height:1}.timeline{position:relative;display:grid;gap:0;margin-left:10px}.timeline:before{content:"";position:absolute;left:18px;top:12px;bottom:12px;width:2px;background:#ecd38e}.timeline article{position:relative;padding:0 0 28px 58px}.timeline article:before{content:"";position:absolute;left:9px;top:4px;width:20px;height:20px;border-radius:50%;background:#fff;border:5px solid var(--yellow)}.timeline .status{display:inline-flex;margin-top:8px;border-radius:999px;background:var(--soft);padding:5px 10px;font-weight:800;color:#8b6500}.magazine-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.magazine-grid .stack{display:grid;gap:16px}.article-list{display:grid;gap:18px}.article-list article{padding:26px;border-left:5px solid var(--yellow);background:#fff;border-radius:0 16px 16px 0;box-shadow:var(--shadow)}.article-list .opinion-label{font-weight:900;color:#8b6500}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product-grid{display:grid;grid-template-columns:minmax(280px,.8fr) 1.2fr;gap:28px;align-items:center}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.term-list{display:grid;gap:14px}.term-list article{background:#fff;border:1px solid var(--gray-border);border-radius:16px;padding:22px}.term-list article h2{font-size:21px}.prose{display:grid;gap:18px}.prose article{background:#fff;border:1px solid var(--gray-border);border-radius:16px;padding:24px}.prose p{margin:10px 0 0;color:#4b4b4b}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--gray-border);border-radius:14px;padding:0 18px}.faq-item summary{cursor:pointer;padding:18px 0;font-weight:900;color:var(--title)}.faq-item p{margin:0 0 18px;color:#4e4e4e}.site-notice{background:var(--secondary);border-top:1px solid var(--border)}.site-notice .shell{padding:20px 0;display:flex;gap:18px;align-items:flex-start}.site-notice strong{white-space:nowrap;color:#815d00}.site-notice p{margin:0;color:var(--muted)}.site-footer{background:#1a1a1a;color:#f5f5f5;padding:52px 0 92px}.footer-brand{display:flex;align-items:center;gap:18px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand strong,.footer-brand span{display:block}.footer-brand strong{font-size:22px}.footer-brand span{color:#ffd66a}.footer-brand p{margin:6px 0 0;color:#bbb}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:30px 0}.footer-grid h2{color:#fff;font-size:17px;margin-bottom:12px}.footer-grid nav{display:grid;align-content:start;gap:8px}.footer-grid a{color:#ddd}.footer-grid a:hover{color:#ffd66a}.footer-note,.footer-copy{color:#aaa}.footer-copy{font-size:14px}.overlay{position:fixed;inset:0;z-index:180;background:rgba(20,18,10,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.channel-panel{position:fixed;z-index:220;right:0;top:0;bottom:0;width:min(460px,88vw);background:#fff;box-shadow:-20px 0 60px rgba(30,25,10,.16);transform:translateX(103%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow:auto}.channel-panel.is-open{transform:none;visibility:visible;pointer-events:auto}.panel-head{position:sticky;top:0;background:#fff;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--gray-border)}.panel-brand{display:flex;align-items:center;gap:10px}.panel-head button,.search-head button{width:44px;height:44px;border-radius:50%;border:1px solid var(--gray-border);background:#fff;font-size:25px}.panel-groups{padding:10px 18px 32px}.panel-groups section{padding:16px 0;border-bottom:1px solid var(--gray-border)}.panel-groups h2{font-size:16px;color:#9b7000;margin-bottom:8px}.panel-groups a{display:grid;gap:3px;padding:10px 0}.panel-groups a strong{color:var(--title)}.panel-groups a span{font-size:14px;color:var(--muted)}.search-panel{position:fixed;z-index:210;left:0;right:0;top:var(--header);background:#fff;box-shadow:0 20px 50px rgba(30,25,10,.14);transform:translateY(-18px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.search-shell{padding:24px 0 30px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-box{display:block;margin-top:16px}.search-box input{width:100%;height:52px;border:1px solid #e5d5a2;border-radius:14px;padding:0 16px;outline:none;background:#fffcf3;color:var(--title)}.search-box input:focus{border-color:var(--yellow);box-shadow:0 0 0 4px rgba(255,184,0,.14)}.search-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.search-links a{padding:9px 13px;border-radius:999px;background:var(--soft);font-weight:800}.mobile-bottom{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:1020px){.desktop-nav a{padding:10px 7px;font-size:14px}.desktop-only{display:none!important}.channel-trigger.mobile-menu{display:inline-flex;align-items:center;justify-content:center}.brand{min-width:0;flex:1;justify-content:center}.nav-shell{gap:8px}.nav-actions{flex:1;justify-content:flex-end}.search-trigger{display:none}.page-hero .hero-grid,.product-grid,.wide-index,.magazine-grid{grid-template-columns:1fr}.tag-grid{grid-template-columns:repeat(2,1fr)}.rank-grid,.knowledge-grid{grid-template-columns:repeat(2,1fr)}.desk-grid{grid-template-columns:1fr}.desk-side{order:-1}}
@media (max-width:720px){:root{--header:64px}.shell{width:min(calc(100% - 32px),var(--max))}.site-header{height:var(--header)}.nav-shell{height:64px;width:calc(100% - 20px)}.brand{font-size:18px}.brand img{max-width:120px;max-height:32px}.nav-actions .primary-action{padding:0 13px}.page-main{padding-top:calc(var(--header) + 14px)}.page-hero{padding-top:24px}.section{padding:34px 0}.section-head{align-items:start;flex-direction:column}.tag-grid,.folder-grid,.rank-grid,.knowledge-grid,.feature-grid{grid-template-columns:1fr}.masonry{columns:1}.catalog-row{grid-template-columns:46px 1fr}.catalog-row>a{grid-column:2}.footer-grid{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:110px}.site-notice .shell{display:block}.site-notice strong{display:block;margin-bottom:4px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));height:52px;z-index:140;background:#fff;border:1px solid var(--gray-border);box-shadow:0 12px 34px rgba(30,25,10,.16);border-radius:18px;padding:4px}.mobile-bottom a{display:grid;place-items:center;font-size:13px;font-weight:800;border-radius:14px;color:#666}.mobile-bottom a.is-active{background:var(--soft);color:#1a1a1a;position:relative}.mobile-bottom a.is-active:before{content:"";position:absolute;top:4px;width:7px;height:7px;border-radius:50%;background:var(--yellow)}.channel-panel{width:88vw}.search-panel{top:0;bottom:0;overflow:auto;background:var(--secondary)}.search-shell{padding-top:84px}.footer-brand{align-items:flex-start}.page-hero .media-slot{order:-1}.desk-grid .media-slot{order:1}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* responsive hero image fix 2026-09-10 */
@media (max-width:1020px){
  .page-hero .media-slot,.media-slot.banner{min-height:0!important;height:auto!important;max-height:none!important;aspect-ratio:1168/784!important}
  .page-hero .media-slot img,.media-slot.banner img{display:block!important;width:100%!important;height:auto!important;max-height:none!important;object-fit:contain!important}
}