:root {
  --brand: #6C63FF;
  --brand-soft: #A78BFA;
  --ink: #22232B;
  --muted: #6F7280;
  --dark: #171821;
  --bg: #F7F7FA;
  --surface: #FFFFFF;
  --surface-soft: #ECECF3;
  --warm: #F59E5B;
  --line: rgba(34,35,43,.12);
  --shadow: 0 18px 50px rgba(23,24,33,.10);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif; color:var(--ink); background:var(--bg); line-height:1.72; }
img { display:block; max-width:100%; height:auto; }
a { color:inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width:min(calc(100% - 40px),var(--max)); margin-inline:auto; }
.skip-link { position:fixed; left:16px; top:12px; z-index:100; transform:translateY(-140%); background:var(--dark); color:white; padding:10px 14px; border-radius:10px; text-decoration:none; }
.skip-link:focus { transform:none; }
.site-header { position:sticky; top:0; z-index:50; background:rgba(247,247,250,.94); border-bottom:1px solid var(--line); backdrop-filter:blur(14px); }
.site-header__inner { min-height:74px; display:flex; align-items:center; justify-content:space-between; gap:28px; }
.brand { display:inline-flex; align-items:center; gap:12px; text-decoration:none; font-weight:800; letter-spacing:.02em; }
.brand img { width:38px; height:38px; object-fit:contain; border-radius:12px; }
.site-nav { display:flex; align-items:center; gap:8px; }
.site-nav a { text-decoration:none; padding:9px 14px; border-radius:999px; color:var(--muted); font-weight:650; }
.site-nav a:hover,.site-nav a:focus-visible,.site-nav a.is-active { background:var(--surface-soft); color:var(--ink); outline:none; }
.menu-toggle { display:none; border:1px solid var(--line); background:var(--surface); border-radius:12px; padding:10px 14px; font:inherit; }
.hero { display:grid; grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr); align-items:center; gap:56px; padding-block:72px 58px; }
.hero__copy h1,.page-intro h1 { margin:.25em 0 .35em; font-size:clamp(2.5rem,6vw,5.4rem); line-height:1.03; letter-spacing:-.045em; }
.hero__lead,.page-intro>p:last-child { max-width:760px; font-size:1.08rem; color:var(--muted); }
.eyebrow { margin:0; color:var(--brand); font-weight:800; font-size:.82rem; letter-spacing:.14em; text-transform:uppercase; }
.hero__visual { position:relative; min-height:520px; border-radius:36px; overflow:hidden; background:var(--surface-soft); box-shadow:var(--shadow); }
.hero__visual img { width:100%; height:100%; min-height:520px; object-fit:cover; }
.hero__visual::after { content:""; position:absolute; inset:auto 0 0; height:42%; background:linear-gradient(transparent,rgba(23,24,33,.45)); pointer-events:none; }
.hero__actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }
.button { display:inline-flex; min-height:48px; align-items:center; justify-content:center; padding:11px 18px; border-radius:14px; text-decoration:none; font-weight:800; transition:transform .18s ease,box-shadow .18s ease,background .18s ease; }
.button:hover { transform:translateY(-2px); }
.button--primary { background:var(--brand); color:white; box-shadow:0 10px 24px rgba(108,99,255,.22); }
.button--ghost { background:var(--surface); border:1px solid var(--line); }
.button--warm { background:var(--warm); color:#2b1b0f; }
.section { padding-block:62px; }
.section--dark { background:var(--dark); color:white; margin-block:20px; }
.section--soft { background:var(--surface-soft); }
.section-heading { display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:28px; }
.section-heading h2,.feature-split h2,.watch-overview h2,.web-note h2,.official-card h2,.trust-panel h2 { margin:.2em 0 0; font-size:clamp(1.7rem,3vw,2.8rem); line-height:1.14; letter-spacing:-.025em; }
.text-link { color:var(--brand); font-weight:800; text-decoration-thickness:1px; text-underline-offset:4px; }
.collection-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px; }
.collection-grid--dense { grid-template-columns:repeat(3,minmax(0,1fr)); }
.collection-card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-md); overflow:hidden; min-width:0; box-shadow:0 10px 30px rgba(23,24,33,.04); }
.collection-card img { width:100%; aspect-ratio:16/10; object-fit:cover; background:var(--surface-soft); }
.collection-card__body { padding:18px; }
.collection-card h3,.editorial-card h3,.guide-card h3 { margin:0 0 8px; font-size:1.13rem; }
.collection-card p,.editorial-card p,.guide-card p { margin:0 0 13px; color:var(--muted); }
.tag-list { display:flex; flex-wrap:wrap; gap:7px; list-style:none; margin:0 0 15px; padding:0; }
.tag-list li { background:var(--surface-soft); color:#4f5060; border-radius:999px; padding:4px 9px; font-size:.78rem; }
.feature-split { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:56px; align-items:center; }
.feature-split__visual { overflow:hidden; border-radius:var(--radius-lg); background:#242632; }
.feature-split__visual img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.feature-split__copy p:not(.eyebrow) { color:#c8c9d3; max-width:680px; }
.feature-split__copy .eyebrow { color:var(--brand-soft); }
.editorial-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
.editorial-card { display:grid; grid-template-columns:118px 1fr; gap:16px; background:var(--surface); border:1px solid var(--line); padding:14px; border-radius:var(--radius-md); }
.editorial-card img { width:118px; height:148px; object-fit:cover; border-radius:12px; background:var(--surface-soft); }
.muted { color:var(--muted)!important; font-size:.94rem; }
.auxiliary-panel { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr); gap:40px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); padding-inline:32px; }
.auxiliary-links { display:flex; flex-direction:column; justify-content:center; gap:12px; }
.auxiliary-links a { text-decoration:none; padding:14px 16px; border-radius:14px; background:var(--surface-soft); font-weight:800; }
.faq-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
details { background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:0 18px; }
summary { cursor:pointer; padding:18px 0; font-weight:800; }
details p { color:var(--muted); margin-top:0; padding-bottom:18px; }
.page-intro { padding-block:52px 30px; }
.page-intro--compact { max-width:900px; margin-left:max(20px,calc((100% - var(--max))/2)); }
.breadcrumbs { display:flex; flex-wrap:wrap; gap:8px; color:var(--muted); font-size:.88rem; margin-bottom:26px; }
.breadcrumbs a { color:var(--brand); }
.watch-overview { display:grid; grid-template-columns:minmax(300px,.8fr) minmax(0,1.2fr); gap:38px; align-items:center; }
.watch-overview img,.web-note img { width:100%; border-radius:var(--radius-lg); aspect-ratio:16/10; object-fit:cover; background:var(--surface-soft); }
.guide-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.guide-card { background:var(--surface); border:1px solid rgba(34,35,43,.09); border-radius:16px; padding:20px; }
.web-note { display:grid; grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr); gap:40px; align-items:center; }
.official-grid { display:grid; grid-template-columns:1.15fr .85fr; gap:20px; }
.official-card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.official-card img { width:100%; aspect-ratio:16/8; object-fit:cover; background:var(--surface-soft); }
.official-card>div { padding:26px; }
.official-card--primary { box-shadow:var(--shadow); }
.trust-panel { display:grid; grid-template-columns:1fr auto; gap:28px; align-items:center; border-top:1px solid var(--line); }
.trust-panel nav { display:flex; gap:10px; flex-wrap:wrap; }
.trust-panel nav a { background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:10px 13px; text-decoration:none; font-weight:750; }
.not-found { min-height:58vh; display:flex; flex-direction:column; justify-content:center; align-items:flex-start; max-width:760px; }
.not-found h1 { font-size:clamp(2.8rem,7vw,6rem); line-height:1; margin:.2em 0; }
.site-footer { margin-top:64px; background:var(--dark); color:white; padding:42px 0 20px; }
.footer-grid { display:flex; align-items:start; justify-content:space-between; gap:30px; }
.footer-grid p { color:#b8bac5; max-width:520px; }
.footer-grid nav { display:flex; gap:10px; flex-wrap:wrap; }
.footer-grid nav a { color:#dddfea; }
.copyright { width:min(calc(100% - 40px),var(--max)); margin:28px auto 0; padding-top:18px; border-top:1px solid rgba(255,255,255,.12); color:#a6a8b3; font-size:.9rem; }
:focus-visible { outline:3px solid rgba(245,158,91,.6); outline-offset:3px; }
@media (max-width: 1020px) {
  .hero { grid-template-columns:1fr; gap:30px; }
  .hero__visual,.hero__visual img { min-height:380px; }
  .collection-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .collection-grid--dense { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .editorial-grid,.guide-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .feature-split,.watch-overview,.web-note,.official-grid { grid-template-columns:1fr; }
}
@media (max-width: 720px) {
  .shell { width:min(calc(100% - 28px),var(--max)); }
  .site-header__inner { min-height:66px; }
  .menu-toggle { display:inline-flex; }
  .site-nav { position:absolute; left:14px; right:14px; top:72px; display:none; flex-direction:column; align-items:stretch; padding:12px; background:var(--surface); border:1px solid var(--line); border-radius:16px; box-shadow:var(--shadow); }
  .site-nav.is-open { display:flex; }
  .site-nav a { padding:12px 14px; }
  .hero { padding-block:42px 28px; }
  .hero__copy h1,.page-intro h1 { font-size:clamp(2.2rem,12vw,3.8rem); }
  .hero__visual,.hero__visual img { min-height:280px; }
  .section { padding-block:44px; }
  .collection-grid,.collection-grid--dense,.editorial-grid,.guide-grid,.faq-list { grid-template-columns:1fr; }
  .editorial-card { grid-template-columns:96px 1fr; }
  .editorial-card img { width:96px; height:126px; }
  .section-heading { align-items:start; flex-direction:column; }
  .auxiliary-panel { grid-template-columns:1fr; padding-inline:20px; gap:12px; }
  .footer-grid,.trust-panel { flex-direction:column; display:flex; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior:auto!important; transition:none!important; animation:none!important; }
}

.guide-card:nth-child(1) { min-height: 222px; }
@media (min-width: 1100px) { .guide-card:nth-child(1) h3 { max-width: 13ch; } }
.guide-card:nth-child(2) { min-height: 234px; }
@media (min-width: 1100px) { .guide-card:nth-child(2) h3 { max-width: 14ch; } }
.guide-card:nth-child(3) { min-height: 246px; }
@media (min-width: 1100px) { .guide-card:nth-child(3) h3 { max-width: 15ch; } }
.guide-card:nth-child(4) { min-height: 210px; }
@media (min-width: 1100px) { .guide-card:nth-child(4) h3 { max-width: 16ch; } }
.guide-card:nth-child(5) { min-height: 222px; }
@media (min-width: 1100px) { .guide-card:nth-child(5) h3 { max-width: 12ch; } }
.guide-card:nth-child(6) { min-height: 234px; }
@media (min-width: 1100px) { .guide-card:nth-child(6) h3 { max-width: 13ch; } }
.guide-card:nth-child(7) { min-height: 246px; }
@media (min-width: 1100px) { .guide-card:nth-child(7) h3 { max-width: 14ch; } }
.guide-card:nth-child(8) { min-height: 210px; }
@media (min-width: 1100px) { .guide-card:nth-child(8) h3 { max-width: 15ch; } }
.guide-card:nth-child(9) { min-height: 222px; }
@media (min-width: 1100px) { .guide-card:nth-child(9) h3 { max-width: 16ch; } }
.guide-card:nth-child(10) { min-height: 234px; }
@media (min-width: 1100px) { .guide-card:nth-child(10) h3 { max-width: 12ch; } }
.guide-card:nth-child(11) { min-height: 246px; }
@media (min-width: 1100px) { .guide-card:nth-child(11) h3 { max-width: 13ch; } }
.guide-card:nth-child(12) { min-height: 210px; }
@media (min-width: 1100px) { .guide-card:nth-child(12) h3 { max-width: 14ch; } }
.guide-card:nth-child(13) { min-height: 222px; }
@media (min-width: 1100px) { .guide-card:nth-child(13) h3 { max-width: 15ch; } }
.guide-card:nth-child(14) { min-height: 234px; }
@media (min-width: 1100px) { .guide-card:nth-child(14) h3 { max-width: 16ch; } }
.guide-card:nth-child(15) { min-height: 246px; }
@media (min-width: 1100px) { .guide-card:nth-child(15) h3 { max-width: 12ch; } }
.guide-card:nth-child(16) { min-height: 210px; }
@media (min-width: 1100px) { .guide-card:nth-child(16) h3 { max-width: 13ch; } }
.guide-card:nth-child(17) { min-height: 222px; }
@media (min-width: 1100px) { .guide-card:nth-child(17) h3 { max-width: 14ch; } }
.guide-card:nth-child(18) { min-height: 234px; }
@media (min-width: 1100px) { .guide-card:nth-child(18) h3 { max-width: 15ch; } }
.guide-card:nth-child(19) { min-height: 246px; }
@media (min-width: 1100px) { .guide-card:nth-child(19) h3 { max-width: 16ch; } }
.guide-card:nth-child(20) { min-height: 210px; }
@media (min-width: 1100px) { .guide-card:nth-child(20) h3 { max-width: 12ch; } }

.scenario-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
.scenario-card { position:relative; overflow:hidden; background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:22px; }
.scenario-card::before { content:""; position:absolute; inset:0 auto 0 0; width:4px; background:linear-gradient(var(--brand),var(--brand-soft)); }
.scenario-card h3 { margin:0 0 10px; font-size:1.16rem; }
.scenario-card p { margin:0 0 12px; color:var(--muted); }
.scenario-card p:last-child { margin-bottom:0; }
.scenario-card:nth-child(3n+2) { background:#fbfaff; }
.scenario-card:nth-child(4n) { background:#fffaf6; }
@media (max-width: 760px) { .scenario-grid { grid-template-columns:1fr; } .scenario-card { padding:19px 18px 19px 21px; } }