:root{--primary:#6C4FF8;--primary-soft:#9B8AFB;--ink:#252331;--muted:#716E7E;--deep:#1E1B2E;--bg:#F7F6FB;--soft:#EEEAF8;--accent:#F06A8A;--white:#fff;--border:#ddd7ef;--radius:22px;--shadow:0 18px 48px rgba(48,37,91,.10);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.shell{width:min(calc(100% - 36px),var(--max));margin:0 auto}.narrow{width:min(860px,100%)}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px 14px;z-index:99}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:30;background:rgba(247,246,251,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(108,79,248,.1)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--deep)}.brand:hover{text-decoration:none}.brand img{width:44px;height:44px;border-radius:14px;object-fit:cover}.brand span{display:grid}.brand strong{font-size:1.08rem}.brand small{color:var(--muted);font-size:.75rem}.primary-nav{display:flex;gap:8px;align-items:center}.primary-nav a{color:var(--muted);padding:9px 12px;border-radius:10px;font-size:.94rem}.primary-nav a.active,.primary-nav a:hover{background:var(--soft);color:var(--deep);text-decoration:none}.menu-toggle{display:none;border:1px solid var(--border);background:#fff;padding:9px 13px;border-radius:10px;color:var(--deep)}.hero{padding:72px 0 40px}.hero-grid,.split-hero,.split-feature,.device-section{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}.eyebrow{margin:0 0 12px;color:var(--primary);font-weight:800;letter-spacing:.08em;font-size:.78rem;text-transform:uppercase}.hero h1,.page-hero h1{margin:0;font-size:clamp(2.35rem,5vw,4.8rem);line-height:1.05;letter-spacing:-.045em;color:var(--deep)}.page-hero h1{font-size:clamp(2rem,4vw,3.6rem)}.lede{font-size:1.14rem;color:var(--muted);margin:24px 0;max-width:760px}.action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:14px;font-weight:800}.button:hover{text-decoration:none}.button.primary{background:var(--primary);color:#fff;box-shadow:0 12px 28px rgba(108,79,248,.28)}.button.ghost{border:1px solid var(--border);background:#fff;color:var(--deep)}.hero-notes{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.hero-notes span{font-size:.86rem;color:var(--muted);background:#fff;border:1px solid var(--border);padding:7px 10px;border-radius:999px}.hero-media{margin:0;background:#fff;border:1px solid var(--border);border-radius:28px;padding:14px;box-shadow:var(--shadow)}.hero-media img{border-radius:19px;aspect-ratio:4/3;object-fit:cover}.hero-media figcaption{padding:12px 6px 4px;color:var(--muted);font-size:.85rem}.section{padding:72px 0}.section-tight{padding:40px 0 70px}.section-heading{max-width:760px;margin-bottom:28px}.section-heading.compact{margin-bottom:22px}.section-heading h2,.text-section h2,.section-inner h2,.next-links h2,.device-section h2,.related-band h2{margin:.2em 0 .45em;color:var(--deep);font-size:clamp(1.75rem,3vw,2.6rem);line-height:1.15}.section-heading p,.text-section p{color:var(--muted)}.link-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.link-card{display:grid;gap:9px;padding:22px;background:#fff;border:1px solid var(--border);border-radius:18px;color:var(--ink);transition:.2s ease}.link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}.link-card .kicker{color:var(--primary);font-size:.76rem;font-weight:800}.link-card strong{font-size:1.06rem;color:var(--deep)}.link-card span:last-child{font-size:.9rem;color:var(--muted)}.core-stream{background:#fff}.content-columns,.official-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,.72fr);gap:36px;align-items:start}.feature-list{display:grid;gap:6px}.feature-row{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:24px 0;border-top:1px solid var(--border)}.feature-row:last-child{border-bottom:1px solid var(--border)}.feature-row h3{margin:0 0 7px;color:var(--deep);font-size:1.18rem}.feature-row p{margin:0;color:var(--muted)}.number-dot{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--soft);color:var(--primary);font-weight:900}.inline-panel{margin-top:26px;padding:24px;border-radius:20px;background:var(--soft);display:flex;align-items:center;justify-content:space-between;gap:20px}.inline-panel h3{margin:0 0 6px}.inline-panel p{margin:0;color:var(--muted)}.inline-panel a{font-weight:800;white-space:nowrap}.side-column{display:grid;gap:18px}.side-card{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:20px}.side-card.emphasis{background:var(--deep);color:#fff;border-color:transparent}.side-card.emphasis h2{font-size:1.45rem}.side-card.emphasis p{color:#d9d5e8}.side-card img{border-radius:14px;margin-bottom:18px}.plain-list{margin:10px 0 0;padding:0;list-style:none}.plain-list li+li{border-top:1px solid var(--border)}.plain-list a{display:block;padding:11px 0}.soft-section{background:var(--soft)}.split-feature figure{margin:0}.split-feature img,.split-hero img,.device-section img,.wide-media img,.editorial-lead img{border-radius:24px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}.mini-grid a{background:#fff;border:1px solid var(--border);padding:16px;border-radius:16px;display:grid;color:var(--ink)}.mini-grid a:hover{text-decoration:none}.mini-grid span{color:var(--muted);font-size:.85rem}.related-band{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:32px;border-radius:24px;border:1px solid var(--border);background:#fff}.related-band p{max-width:760px;color:var(--muted)}.faq-section{padding-top:28px}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px 20px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--deep)}.faq-list p{color:var(--muted);margin-bottom:0}.site-footer{margin-top:40px;background:var(--deep);color:#fff;padding:44px 0}.footer-grid{display:flex;justify-content:space-between;gap:32px}.site-footer p{color:#c9c4d8;max-width:520px}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.footer-links a{color:#fff}.page-space{padding:28px 0 72px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0 0 30px;font-size:.88rem;color:var(--muted)}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#aaa4bb}.page-hero{padding:26px 0 48px;border-bottom:1px solid var(--border);margin-bottom:44px}.reading-flow{display:grid;gap:48px;max-width:900px}.reading-flow article{padding-bottom:34px;border-bottom:1px solid var(--border)}.reading-flow h2{font-size:1.7rem;color:var(--deep)}.reading-flow p{color:#4f4b5e}.check-list{padding-left:1.2rem}.check-list li{margin:8px 0}.wide-media{margin:26px 0 0}.wide-media img{aspect-ratio:16/7}.next-links{margin-top:56px;padding-top:36px;border-top:1px solid var(--border)}.next-links .link-grid{grid-template-columns:repeat(3,1fr)}.official-layout{margin-top:12px}.check-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0 42px}.check-cards article{background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px}.check-cards span{display:inline-block;color:var(--accent);font-weight:900;margin-bottom:8px}.check-cards h3{margin:0 0 8px}.check-cards p{margin:0;color:var(--muted)}.text-section{margin:44px 0;max-width:900px}.sticky-card{position:sticky;top:104px}.section-inner{margin:44px 0}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:18px;background:#fff}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--border);vertical-align:top}th{background:var(--soft);color:var(--deep)}td{color:#514d5d}.device-section{padding:52px 0;border-top:1px solid var(--border)}.device-section.reverse>div{order:2}.device-section.reverse>img{order:1}.editorial-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:36px}.editorial-lead{position:sticky;top:104px;align-self:start}.editorial-lead p{color:var(--muted);font-size:1.04rem}.editorial-items{display:grid;gap:18px}.editorial-items article{background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px}.editorial-items h2{margin:0 0 10px;font-size:1.45rem}.editorial-items p{margin:0;color:var(--muted)}.notice-panel{max-width:760px;margin:60px auto;background:#fff;border:1px solid var(--border);border-radius:24px;padding:36px}.notice-panel h1{font-size:2.4rem;margin:.2em 0}.notice-panel p{color:var(--muted)}
@media (max-width:900px){.menu-toggle{display:inline-flex}.primary-nav{display:none;position:absolute;left:18px;right:18px;top:70px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.open{display:flex}.primary-nav a{padding:11px 12px}.hero-grid,.split-hero,.split-feature,.content-columns,.official-layout,.device-section,.editorial-grid{grid-template-columns:1fr}.hero{padding-top:44px}.hero-media{order:-1}.link-grid{grid-template-columns:1fr 1fr}.side-column{grid-template-columns:1fr 1fr}.sticky-card,.editorial-lead{position:static}.device-section.reverse>div,.device-section.reverse>img{order:initial}.footer-grid{display:grid}.related-band{align-items:flex-start;flex-direction:column}}
@media (max-width:620px){.shell{width:min(calc(100% - 24px),var(--max))}.header-inner{min-height:68px}.brand small{display:none}.hero h1{font-size:2.45rem}.page-hero h1{font-size:2.1rem}.lede{font-size:1rem}.section{padding:52px 0}.link-grid,.next-links .link-grid,.side-column,.check-cards,.mini-grid{grid-template-columns:1fr}.inline-panel{align-items:flex-start;flex-direction:column}.feature-row{grid-template-columns:44px 1fr}.related-band{padding:24px}.page-space{padding-top:20px}.split-hero{gap:26px}.device-section{gap:26px;padding:38px 0}.footer-links{display:grid}.button{width:100%}.action-row{display:grid}.hero-notes{gap:8px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}