:root{--bg:#F6F4FC;--deep:#E8F2FA;--paper:#fff;--ink:#2A2D4A;--text:#3A3E58;--muted:#6A6E88;--aux:#8A8EAA;--purple:#7B6BB5;--blue:#6BA3D6;--lilac:#C9B8E8;--mist:#B8D4F0;--peach:#E8B4B8;--line:rgba(42,45,74,.12);--shadow:0 14px 34px rgba(42,45,74,.09);--radius:14px;--shell:1140px;--top:99px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.78 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.shell{width:min(calc(100% - 32px),var(--shell));margin:0 auto}.site-header{position:fixed;inset:0 0 auto;z-index:120;background:#fff;box-shadow:0 4px 18px rgba(42,45,74,.05)}.brand-line{height:7px;background:linear-gradient(90deg,var(--purple),var(--blue));color:#fff;overflow:visible}.brand-line-inner{height:30px;display:flex;align-items:center;justify-content:space-between;font-size:12px;position:relative;top:0}.text-button{border:0;background:transparent;color:#fff;cursor:pointer;min-height:30px;padding:0 8px}.brand-stage{height:48px;margin-top:23px;background:#fff;border-bottom:1px solid rgba(201,184,232,.6)}.stage-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-home{display:flex;align-items:center;min-height:44px}.brand-logo{display:block;max-width:180px;height:24px;object-fit:contain;object-position:left center}.brand-word{font-weight:800;color:var(--ink);letter-spacing:.08em}.stage-actions{display:flex;gap:8px;align-items:center}.stage-button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 16px;border:1px solid var(--blue);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer;font-weight:700}.stage-button-primary,.button.primary{background:var(--purple);border-color:var(--purple);color:#fff}.primary-nav{height:44px;background:#fff}.primary-nav-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:22px}.primary-nav a{display:flex;align-items:center;height:100%;padding:0 3px;border-bottom:3px solid transparent;color:var(--ink)}.primary-nav a.is-active{color:var(--purple);border-bottom-color:var(--blue)}.primary-nav span{width:1px;height:16px;background:var(--mist)}.site-main{padding-top:128px}.hero,.section-block{padding:44px 0}.hero{padding-top:38px}.section-block.alt{background:var(--deep)}.section-block.paper{background:var(--paper)}.section-block.compact{padding:30px 0}.kicker{display:inline-block;margin-bottom:8px;color:var(--purple);font-size:13px;font-weight:800;letter-spacing:.12em}.hero h1,.page-hero h1{margin:0 0 16px;color:var(--ink);font-size:clamp(28px,4vw,32px);line-height:1.28}.hero-lead,.page-lead{max-width:780px;margin:0 auto 22px;color:var(--muted)}.hero-copy{text-align:center}.image-frame{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(201,184,232,.28),rgba(184,212,240,.42));border:1px solid var(--line);border-radius:16px;overflow:hidden}.cover-frame{min-height:180px;max-height:210px;margin-bottom:22px}.content-image{display:block;width:100%;height:100%;max-height:180px;object-fit:contain;object-position:center}.cover-image{width:100%;height:210px;object-fit:contain}.image-placeholder{display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:800;min-height:150px;background:linear-gradient(135deg,rgba(201,184,232,.28),rgba(184,212,240,.42))}.cover-image.image-placeholder{min-height:210px}.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.button.secondary{background:#fff;color:var(--ink);border-color:var(--blue)}.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.split-card,.card,.prose-card,.fact-box,.opinion-box,.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.split-card .image-frame{height:176px;margin-bottom:16px}.split-card .content-image{height:176px}.section-title{margin:0 0 8px;color:var(--ink);font-size:26px;line-height:1.35}.section-intro{max-width:760px;color:var(--muted);margin:0 0 22px}.cards-4,.cards-3,.cards-2{display:grid;gap:18px}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card h3,.split-card h2,.prose-card h2,.prose-card h3,.service-card h2{color:var(--ink);margin-top:0}.card .image-frame{height:160px;margin-bottom:14px}.card .content-image{height:160px}.link-arrow{display:inline-block;margin-top:8px;color:var(--purple);font-weight:800}.feature-row{display:grid;grid-template-columns:minmax(260px,.85fr) minmax(0,1.35fr);gap:26px;align-items:center}.feature-row.reverse{grid-template-columns:minmax(0,1.35fr) minmax(260px,.85fr)}.feature-row.reverse .feature-media{order:2}.feature-media .image-frame{height:180px}.feature-media .content-image{height:180px}.feature-text p{margin:0 0 14px}.page-hero{padding:42px 0 26px;text-align:left}.page-hero .page-lead{margin:0;max-width:800px}.breadcrumbs{display:flex;gap:8px;color:var(--aux);font-size:14px;margin-bottom:14px}.prose{max-width:900px}.prose p{margin:0 0 16px}.prose h2{margin:34px 0 12px;color:var(--ink);font-size:24px}.prose h3{margin:24px 0 8px;color:var(--ink)}.prose ul{padding-left:22px}.wide-prose{max-width:960px}.callout{border-left:4px solid var(--purple);background:#fff;padding:18px 20px;border-radius:0 12px 12px 0;margin:22px 0}.meta-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:22px 0}.meta-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.meta-item strong{display:block;color:var(--ink);margin-bottom:4px}.timeline{display:grid;gap:14px}.timeline article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.timeline time{color:var(--purple);font-weight:800}.fact-box{border-top:4px solid var(--blue)}.opinion-box{border-top:4px solid var(--purple)}.app-layout{display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:28px;align-items:start}.app-visual{min-height:320px}.app-visual .content-image{max-height:420px}.mark-inline{width:64px;height:64px;object-fit:contain;border-radius:14px}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}.faq-item h2{font-size:18px;margin:0 0 8px;color:var(--ink)}.site-footer{background:var(--ink);color:#E8E4F6;padding:42px 0 calc(28px + env(safe-area-inset-bottom))}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px}.footer-brand div{display:grid}.footer-brand span{font-size:12px;color:var(--lilac)}.footer-logo{filter:none}.footer-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.footer-groups h2{font-size:15px;color:#fff;margin:0 0 10px}.footer-groups a{display:block;color:var(--lilac);margin:5px 0}.footer-notice{margin:28px 0 8px;color:#E8E4F6;max-width:860px}.copyright{margin:0;color:var(--lilac);font-size:13px}.overlay{position:fixed;inset:0;z-index:180;background:rgba(42,45,74,.36);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mega-menu,.search-panel{position:fixed;z-index:200;left:50%;transform:translateX(-50%) translateY(-8px);top:79px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--purple);box-shadow:0 24px 60px rgba(42,45,74,.2);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.mega-menu.is-open,.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.mega-menu{width:min(640px,calc(100% - 32px));max-height:min(60vh,390px);overflow:auto;padding:18px}.mega-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px}.mega-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}.close-button{min-height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:8px 12px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.mega-grid h2{font-size:14px;color:var(--purple);margin:0 0 6px}.mega-grid a{display:block;padding:7px 0;border-bottom:1px solid rgba(42,45,74,.07)}.mega-grid a strong{display:block;color:var(--ink);font-size:14px}.mega-grid a span{display:block;color:var(--muted);font-size:12px}.search-panel{width:min(420px,calc(100% - 32px));padding:18px}.search-faux{min-height:46px;border:1px solid var(--mist);border-radius:10px;padding:11px 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@media(max-width:860px){.cards-4{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-3{grid-template-columns:1fr 1fr}.feature-row,.feature-row.reverse{grid-template-columns:1fr}.feature-row.reverse .feature-media{order:0}.app-layout{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){:root{--top:78px}.site-main{padding-top:84px}.brand-line-inner{height:27px;font-size:11px}.brand-stage{margin-top:20px}.primary-nav{display:none}.stage-actions{gap:6px}.stage-button{padding:7px 10px;min-height:44px}.brand-logo{max-width:120px;height:22px}.hero,.section-block{padding:32px 0}.split,.cards-3,.cards-2,.cards-4,.meta-list{grid-template-columns:1fr}.cover-frame{min-height:150px}.cover-image,.cover-image.image-placeholder{height:190px;min-height:190px}.mega-menu,.search-panel{top:75px;width:calc(100% - 20px)}.mega-menu{height:60vh;max-height:60vh}.mega-grid{grid-template-columns:1fr}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:130;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 22px rgba(42,45,74,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:13px;color:var(--ink)}.mobile-bottom a.is-active{background:var(--purple);color:#fff}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.page-hero{padding-top:30px}.search-links{grid-template-columns:1fr 1fr}}
@media(max-width:420px){.shell{width:min(calc(100% - 32px),var(--shell))}.stage-actions .stage-button{font-size:13px}.footer-groups{grid-template-columns:1fr 1fr}.mega-menu{width:calc(100% - 16px);padding:14px}.hero h1,.page-hero h1{font-size:28px}}