:root{
  --primary:#6F5AE8;--primary-soft:#9A8CF2;--ink:#242433;--text:#30303A;--muted:#70707D;
  --bg:#F8F8FC;--surface:#FFFFFF;--surface-soft:#F0EEFA;--accent:#F29A4A;--line:#E4E1F1;
  --shadow:0 18px 45px rgba(36,36,51,.08);--radius:24px;--radius-sm:16px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:999;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:40;background:rgba(248,248,252,.94);border-bottom:1px solid rgba(228,225,241,.9);backdrop-filter:blur(14px)}.header-inner{width:min(calc(100% - 40px),var(--max));margin:auto;min-height:78px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--ink);white-space:nowrap}.brand img{width:44px;height:44px;object-fit:contain}.primary-nav{display:flex;align-items:center;gap:5px;margin-left:auto}.primary-nav a{padding:9px 11px;border-radius:12px;color:var(--muted);font-size:15px}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:var(--surface-soft);color:var(--primary)}.search-open,.menu-toggle{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:12px;padding:9px 13px;cursor:pointer}.menu-toggle{display:none}.search-open:hover{border-color:var(--primary-soft);color:var(--primary)}
.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:80;background:rgba(26,24,38,.56);display:grid;place-items:start center;padding:10vh 20px}.search-panel{width:min(720px,100%);background:var(--surface);border-radius:24px;box-shadow:0 28px 80px rgba(0,0,0,.22);padding:26px}.search-panel-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.search-panel-head h2{margin:0;font-size:24px;color:var(--ink)}.search-close{border:0;background:var(--surface-soft);border-radius:10px;padding:8px 12px;cursor:pointer}.search-form{display:grid;gap:10px;margin-top:22px}.search-form label{font-weight:700;color:var(--ink)}.search-row{display:flex;gap:10px}.search-row input{min-width:0;flex:1;border:1px solid var(--line);border-radius:13px;padding:13px 14px;background:#fff}.search-row input:focus{outline:3px solid rgba(111,90,232,.16);border-color:var(--primary)}.search-row button{border:0;border-radius:13px;background:var(--primary);color:#fff;padding:12px 20px;font-weight:700;cursor:pointer}
.breadcrumbs{width:min(calc(100% - 40px),var(--max));margin:22px auto 0}.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:14px}.breadcrumbs li{display:flex;align-items:center;gap:8px}.breadcrumbs li:not(:last-child)::after{content:"/";color:#B5B0C8}.breadcrumbs a:hover{color:var(--primary)}
.hero{width:min(calc(100% - 40px),var(--max));margin:42px auto 0;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:56px;align-items:center}.hero-home{min-height:520px}.hero-inner{min-height:440px;margin-top:28px}.hero-copy{max-width:680px}.eyebrow{margin:0 0 10px;color:var(--primary);font-weight:800;font-size:14px;letter-spacing:.08em}.hero h1{margin:0;color:var(--ink);font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.035em}.hero-inner h1{font-size:clamp(34px,4.5vw,54px)}.hero-lead{font-size:18px;color:var(--muted);margin:22px 0 0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:14px;font-weight:800;border:1px solid transparent}.btn.primary{background:var(--accent);color:#2E2117}.btn.primary:hover{filter:brightness(.98);transform:translateY(-1px)}.btn.secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}.btn.secondary:hover{border-color:var(--primary-soft);color:var(--primary)}.hero-media{position:relative}.hero-media::before{content:"";position:absolute;inset:8% -4% -6% 8%;background:var(--surface-soft);border-radius:36px;z-index:-1}.hero-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}
.quick-strip{width:min(calc(100% - 40px),var(--max));margin:56px auto 0;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--surface);border-radius:22px;overflow:hidden}.quick-strip a{padding:22px;display:grid;gap:5px;border-right:1px solid var(--line)}.quick-strip a:last-child{border-right:0}.quick-strip strong{color:var(--ink)}.quick-strip span{font-size:14px;color:var(--muted)}.quick-strip a:hover{background:var(--surface-soft)}
.feature-band{width:min(calc(100% - 40px),var(--max));margin:72px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;background:var(--ink);color:#fff;border-radius:30px;padding:28px}.feature-band-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:20px}.feature-band h2{font-size:clamp(28px,3vw,42px);line-height:1.2;margin:6px 0 16px}.feature-band p{color:#D6D2E6}.feature-band .text-link{color:#fff}
.content-wrap{width:min(calc(100% - 40px),900px);margin:72px auto}.content-section{padding:38px 0;border-top:1px solid var(--line)}.content-section:first-child{border-top:0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px}.section-head h2{margin:0 0 18px;color:var(--ink);font-size:clamp(27px,3.5vw,38px);line-height:1.25;letter-spacing:-.02em}.content-section>p{font-size:17px;color:var(--text);margin:0 0 16px}.check-list{list-style:none;padding:0;margin:18px 0;display:grid;gap:12px}.check-list li{position:relative;padding:14px 16px 14px 44px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.check-list li::before{content:"✓";position:absolute;left:16px;top:14px;color:var(--primary);font-weight:900}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.info-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;min-height:220px;display:flex;flex-direction:column}.info-card h3{font-size:19px;margin:0 0 8px;color:var(--ink)}.info-card p{color:var(--muted);margin:0 0 18px}.info-card .text-link{margin-top:auto}.text-link{display:inline-flex;gap:6px;align-items:center;color:var(--primary);font-weight:800}.text-link:hover{text-decoration:underline}.related-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}.related-links a{display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--surface-soft);border-radius:14px;padding:14px 16px;color:var(--ink);font-weight:700}.related-links a:hover{background:#E9E5F8;color:var(--primary)}
.faq-list{display:grid;gap:10px}.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}.faq-item summary{cursor:pointer;padding:17px 20px;font-weight:800;color:var(--ink);list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"＋";float:right;color:var(--primary)}.faq-item[open] summary::after{content:"－"}.faq-answer{padding:0 20px 18px;color:var(--muted)}.faq-answer p{margin:0 0 10px}
.visual-row{width:min(calc(100% - 40px),var(--max));margin:72px auto;display:grid;grid-template-columns:1fr 1fr;gap:24px}.visual-row article{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:18px}.visual-row img{width:100%;aspect-ratio:13/8;object-fit:cover;border-radius:16px}.visual-row h2{margin:18px 0 8px;color:var(--ink);font-size:24px}.visual-row p{color:var(--muted);margin:0}
.search-page-head{width:min(calc(100% - 40px),900px);margin:54px auto 0}.search-page-head h1{font-size:clamp(34px,5vw,54px);margin:0;color:var(--ink)}.search-page-head p:last-child{color:var(--muted)}.search-form.inline{margin:0}.search-results{display:grid;gap:16px}.search-results article{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}.search-results h3{margin:0 0 8px}.search-results h3 a:hover{color:var(--primary)}.search-results p{color:var(--muted)}.empty-state{background:var(--surface-soft);border-radius:20px;padding:28px}.empty-state h3{margin-top:0;color:var(--ink)}
.error-box{width:min(calc(100% - 40px),820px);margin:9vh auto;padding:48px;background:var(--surface);border:1px solid var(--line);border-radius:28px;text-align:center}.error-code{font-size:70px;font-weight:900;color:var(--primary);margin:0}.error-box h1{font-size:38px;margin:0 0 14px;color:var(--ink)}.error-box>p:not(.error-code){color:var(--muted)}.error-box .hero-actions{justify-content:center}.error-box .related-links{text-align:left}
.site-footer{margin-top:90px;background:var(--ink);color:#fff}.footer-inner{width:min(calc(100% - 40px),var(--max));margin:auto;padding:58px 0;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:36px}.footer-brand strong{font-size:22px}.footer-brand p{color:#C9C5D8;max-width:420px}.footer-group h2{font-size:15px;margin:0 0 14px;color:#EAE7F5}.footer-group ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.footer-group a{color:#C9C5D8}.footer-group a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 20px;text-align:center;color:#A9A4BB;font-size:14px}.back-top{position:fixed;right:22px;bottom:22px;z-index:30;border:0;border-radius:999px;background:var(--primary);color:#fff;padding:11px 14px;box-shadow:var(--shadow);cursor:pointer}.back-top[hidden]{display:none}
@media (max-width:1024px){.header-inner{gap:12px}.primary-nav{gap:1px}.primary-nav a{padding:8px 7px;font-size:14px}.hero{grid-template-columns:1fr 420px;gap:34px}.quick-strip{grid-template-columns:repeat(2,1fr)}.quick-strip a:nth-child(2){border-right:0}.quick-strip a:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-inner{grid-template-columns:1.4fr 1fr 1fr}.footer-group:last-child{grid-column:2/4}}
@media (max-width:860px){.menu-toggle{display:inline-flex;margin-left:auto}.primary-nav{position:absolute;left:20px;right:20px;top:70px;display:none;flex-direction:column;align-items:stretch;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px 12px}.search-open{white-space:nowrap}.hero{grid-template-columns:1fr;gap:30px}.hero-home,.hero-inner{min-height:0}.hero-media{max-width:680px}.feature-band{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}.footer-group:last-child{grid-column:auto}.visual-row{grid-template-columns:1fr}}
@media (max-width:600px){.header-inner{width:min(calc(100% - 24px),var(--max));min-height:68px}.brand span{font-size:15px}.brand img{width:38px;height:38px}.search-open{display:none}.primary-nav{left:12px;right:12px;top:64px}.hero,.breadcrumbs,.quick-strip,.feature-band,.visual-row{width:min(calc(100% - 24px),var(--max))}.hero{margin-top:30px}.hero h1,.hero-inner h1{font-size:36px}.hero-lead{font-size:16px}.hero-actions{display:grid}.btn{width:100%}.hero-media img{border-radius:22px}.quick-strip{grid-template-columns:1fr}.quick-strip a{border-right:0;border-bottom:1px solid var(--line)}.quick-strip a:last-child{border-bottom:0}.feature-band{padding:18px;border-radius:22px}.content-wrap,.search-page-head{width:min(calc(100% - 24px),900px);margin-top:50px}.content-section{padding:30px 0}.section-head h2{font-size:29px}.content-section>p{font-size:16px}.info-grid,.related-links{grid-template-columns:1fr}.info-card{min-height:0}.search-row{flex-direction:column}.search-row button{width:100%}.search-modal{padding:6vh 12px}.search-panel{padding:20px}.footer-inner{width:min(calc(100% - 24px),var(--max));grid-template-columns:1fr;padding:44px 0}.footer-brand{grid-column:auto}.error-box{width:min(calc(100% - 24px),820px);padding:30px 20px}.error-box h1{font-size:30px}}
@media (max-width:375px){.brand span{max-width:120px;overflow:hidden;text-overflow:ellipsis}.menu-toggle{padding:8px 10px}.hero h1,.hero-inner h1{font-size:32px}.quick-strip a{padding:18px}.content-section{padding:26px 0}.section-head h2{font-size:27px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}