:root{--bg:#1C1C1E;--deep:#141416;--card:#2A2A2E;--card2:#323238;--text:#D8D8DC;--title:#F2F2F4;--muted:#A0A0A8;--sub:#7A7A82;--silver:#C8C8D0;--blue:#6A8AAA;--border:rgba(200,200,208,.16);--border2:rgba(106,138,170,.48);--shadow:0 12px 28px rgba(0,0,0,.28)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:116px}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.site-header{position:fixed;inset:0 0 auto 0;z-index:50;background:var(--bg)}.frame-info{height:20px;background:var(--deep);color:var(--silver);font-size:12px;padding:0 max(16px,calc((100% - 980px)/2));display:flex;align-items:center;justify-content:space-between}.text-btn{background:none;border:0;color:var(--silver);padding:0 4px;cursor:pointer}.brand-row{height:54px;border-bottom:1px solid var(--border2);display:flex;align-items:center;justify-content:space-between;max-width:980px;margin:auto;padding:0 16px}.brand{display:flex;align-items:center;min-height:44px}.logo-wrap{display:inline-flex;background:#fff;border-radius:5px;padding:3px 6px;align-items:center;justify-content:center}.brand img,.footer-head img,.panel-brand img{height:24px;width:auto;display:block;object-fit:contain}.brand-fallback{font-weight:700;color:var(--title);font-size:16px}.brand-actions{display:flex;gap:8px;align-items:center}.app-link,.menu-btn,.panel-top button{height:40px;min-width:44px;padding:0 14px;border-radius:8px;border:1px solid var(--border2);background:var(--card);color:var(--title);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.frame-track{height:42px;background:var(--card);display:flex;align-items:center;justify-content:center;gap:8px;border-bottom:1px solid var(--border)}.frame-track a{min-width:88px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;color:var(--muted)}.frame-track a.active{background:var(--blue);color:#fff}.site-header a:focus-visible,.site-header button:focus-visible,a.btn:focus-visible,.footer-grid a:focus-visible,.mobile-bottom a:focus-visible{outline:2px solid var(--silver);outline-offset:2px}main{max-width:980px;margin:0 auto;padding:34px 16px 72px}.hero-number{font-size:72px;line-height:1;color:var(--blue);font-weight:800;letter-spacing:-4px;margin-bottom:10px}.eyebrow{font-size:12px;color:var(--silver);letter-spacing:.15em;text-transform:uppercase}.hero h1,.page-hero h1{font-size:24px;line-height:1.3;color:var(--title);margin:8px 0 12px}.hero .lead,.page-hero .lead{max-width:740px;color:var(--silver);font-size:16px}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{height:42px;padding:0 18px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#6A8AAA 0%,#3A4A5A 100%);color:#fff;font-weight:600}.btn.secondary{background:transparent;border:1px solid var(--border2);color:var(--silver)}section.block{margin-top:38px}.block h2,.content-section h2{font-size:20px;color:var(--title);margin:0 0 12px}.block h3,.content-section h3{font-size:16px;color:var(--title);margin:0 0 8px}.block p,.content-section p{margin:0 0 12px}.filmstrip{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.frame{background:var(--deep);border:1px solid var(--border);border-radius:8px;min-height:118px;display:flex;align-items:center;justify-content:center;padding:8px;color:var(--sub);text-align:center}.frame.has-image{min-height:0}.content-img{display:block;max-width:100%;height:auto;max-height:260px;object-fit:contain;object-position:center;margin:14px auto;border-radius:8px}.filmstrip .content-img{max-height:148px;margin:0}.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.quote-card,.gray-card,.topic-card,.status-card,.memo-card,.faq-item,.notice-box{background:var(--card);border:1px solid var(--border);border-radius:9px;padding:20px}.quote-card{border-left:3px solid var(--blue)}.gray-stack{display:grid;gap:12px}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.period-grid article,.status-row article{background:var(--card);border-top:2px solid var(--blue);padding:18px;border-radius:8px}.status-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.product-axis{text-align:center;background:var(--deep);border:1px solid var(--border);border-radius:10px;padding:28px 18px}.product-axis .content-img{max-height:320px}.app-icon{max-width:48px!important;max-height:48px!important}.content-section{margin-top:28px}.page-hero{padding:4px 0 8px}.page-layout-numbered{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:start}.big-index{font-size:88px;font-weight:800;color:var(--card2);line-height:1}.single-list{display:grid;gap:12px}.single-list article{background:var(--card);border:1px solid var(--border);padding:20px;border-radius:8px}.center-card{max-width:720px;margin:28px auto 0;background:var(--card);border:1px solid var(--border2);padding:28px;border-radius:10px;text-align:center}.memo-list{display:grid;gap:10px}.memo-card b{display:block;color:var(--title);margin-bottom:5px}.topic-list{display:grid;gap:12px}.topic-list a{display:block;background:var(--card);padding:18px;border:1px solid var(--border);border-radius:8px}.terms{display:grid;gap:18px}.terms section{border-bottom:1px solid var(--border);padding-bottom:16px}.faq-list{display:grid;gap:12px}.faq-item h2{font-size:16px}.site-footer{background:#101012;border-top:1px solid var(--border);padding:28px max(16px,calc((100% - 980px)/2)) 74px;color:var(--silver);font-size:13px}.footer-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-head div{display:flex;flex-direction:column}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-grid h2{font-size:13px;color:var(--title);margin:0 0 8px}.footer-grid a{display:block;color:var(--muted);padding:3px 0}.footer-note{max-width:760px;margin-top:22px;color:var(--muted)}.copyright{color:var(--sub)}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.menu-panel{position:fixed;z-index:90;left:50%;top:50%;transform:translate(-50%,-48%);width:min(640px,92vw);max-height:82vh;overflow:auto;background:var(--card);border:1px solid var(--border2);border-radius:10px;box-shadow:var(--shadow);padding:18px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.menu-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,-50%)}.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-brand{display:flex;align-items:center;gap:10px}.menu-groups{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:16px}.menu-groups h2{font-size:13px;color:var(--silver);margin:0 0 6px}.menu-groups a{display:block;padding:9px 0;border-bottom:1px solid var(--border)}.menu-groups b{display:block;color:var(--title)}.menu-groups span{display:block;color:var(--muted);font-size:12px}.search-panel{position:fixed;z-index:91;top:74px;left:50%;transform:translateX(-50%) translateY(-8px);width:min(760px,calc(100vw - 32px));background:var(--card);border:1px solid var(--border2);border-radius:10px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.search-inner{padding:18px}.preset-links{display:flex;flex-wrap:wrap;gap:8px}.preset-links a{padding:8px 13px;border:1px solid var(--border);border-radius:999px}.mobile-bottom{display:none}
@media(max-width:700px){body{padding-top:74px;padding-bottom:52px}.frame-track{display:none}.brand-row{height:54px}.brand-actions{gap:4px}.app-link,.menu-btn{padding:0 10px}.hero-number{font-size:58px}.quote-grid,.topic-grid,.period-grid,.status-row,.footer-grid,.menu-groups{grid-template-columns:1fr}.filmstrip{grid-template-columns:1fr 1fr}.filmstrip .frame:nth-child(5){grid-column:1/-1}.page-layout-numbered{grid-template-columns:1fr}.big-index{font-size:64px}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--deep);border-top:1px solid var(--border);min-height:48px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;min-height:48px;align-items:center;justify-content:center;color:var(--muted)}.mobile-bottom a.active{background:var(--blue);color:#fff}.site-footer{padding-bottom:80px}.search-panel{top:0;left:0;width:100%;height:100vh;transform:none;border-radius:0;background:var(--deep)}.search-panel.open{transform:none}.search-inner{padding:22px 16px}.content-img{max-height:220px}.menu-panel{width:92vw}}