:root{color-scheme:light;--bg:#f7f8fc;--surface:#fff;--surface-soft:#f1f3f9;--text:#171a24;--muted:#666d7f;--line:rgba(23,26,36,.1);--accent:#167fc9;--accent-soft:rgba(29,168,232,.13);--shadow:0 24px 60px rgba(35,31,72,.1)}
:root[data-theme="dark"]{color-scheme:dark;--bg:#0d0f17;--surface:#181b27;--surface-soft:#222635;--text:#f5f6fb;--muted:#a2a9bb;--line:rgba(255,255,255,.1);--accent:#54dce8;--accent-soft:rgba(84,220,232,.16);--shadow:0 28px 70px rgba(0,0,0,.32)}
*{box-sizing:border-box}html{min-width:320px;background:var(--bg);scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 8% 14%,var(--accent-soft),transparent 28rem),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}.detail-header{position:sticky;z-index:10;top:0;display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:12px max(20px,calc((100vw - 1060px)/2));border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}.brand img{width:40px;height:40px;border-radius:13px}.header-actions{display:flex;align-items:center;gap:9px}.header-actions a,.theme-toggle{min-height:40px;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:9px 13px;text-decoration:none;font:inherit;font-size:14px;font-weight:750;cursor:pointer}.theme-toggle{width:42px;padding:0}.detail-main{width:min(1060px,calc(100% - 40px));margin:auto;padding:44px 0 80px}.breadcrumbs{display:flex;align-items:center;gap:8px;margin-bottom:42px;color:var(--muted);font-size:13px}.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{color:var(--accent)}.hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(240px,.7fr);gap:28px;align-items:end;padding-bottom:48px;border-bottom:1px solid var(--line)}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:12px;font-weight:850;letter-spacing:.13em;text-transform:uppercase}.hero h1{max-width:720px;margin:0;font-size:clamp(40px,7vw,70px);line-height:1.03;letter-spacing:-.055em}.lead{max-width:720px;margin:22px 0 0;color:var(--muted);font-size:clamp(17px,2vw,20px)}.hero-icon{display:grid;width:116px;height:116px;margin-left:auto;place-items:center;border:1px solid color-mix(in srgb,var(--accent) 25%,var(--line));border-radius:30px;background:var(--accent-soft);color:var(--accent);font-size:48px;box-shadow:var(--shadow)}.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:34px}.detail-card{padding:27px;border:1px solid var(--line);border-radius:22px;background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:0 10px 36px rgba(35,31,72,.045)}.detail-card.wide{grid-column:1/-1}.detail-card h2{margin:0 0 14px;font-size:20px;letter-spacing:-.025em}.detail-card p{margin:0;color:var(--muted)}.detail-card ul{display:grid;gap:12px;margin:0;padding:0;list-style:none}.detail-card li{position:relative;padding-left:25px}.detail-card li:before{position:absolute;left:0;color:var(--accent);font-weight:900;content:"✓"}.plan-table{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.plan{padding:18px;border-radius:16px;background:var(--surface-soft)}.plan strong{display:block;margin-bottom:6px}.plan span{color:var(--muted);font-size:14px}.notice{border-color:color-mix(in srgb,var(--accent) 32%,var(--line));background:var(--accent-soft)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 17px;border-radius:13px;text-decoration:none;font-weight:800}.primary{background:linear-gradient(135deg,#167fc9,#1da8e8);color:#fff}.secondary{border:1px solid var(--line);background:var(--surface)}.detail-footer{width:min(1060px,calc(100% - 40px));margin:auto;padding:25px 0 36px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.detail-footer a{text-decoration:none}.detail-footer a:hover{color:var(--text)}
@media(max-width:760px){.detail-header{position:static}.header-actions a{display:none}.detail-main{padding-top:28px}.breadcrumbs{margin-bottom:28px}.hero{grid-template-columns:1fr}.hero-icon{width:82px;height:82px;margin:0;font-size:34px;order:-1}.detail-grid{grid-template-columns:1fr}.detail-card.wide{grid-column:auto}.plan-table{grid-template-columns:1fr}.actions{display:grid}.primary,.secondary{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.language-select{min-height:40px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);padding:9px 10px;font:inherit;font-size:14px;font-weight:750;cursor:pointer}