:root{--bg:#F8F3E9;--surface:#FFFCF6;--deep:#38264D;--title:#39294D;--text:#493F4B;--muted:#6D6271;--primary:#7552A3;--accent:#E8D38B;--border:#E7DDED;--radius:12px}*{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","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}a:hover{color:var(--primary)}a:focus-visible,button:focus-visible{outline:3px solid rgba(117,82,163,.35);outline-offset:3px}.wrap{width:min(1160px,calc(100% - 56px));margin-inline:auto}.site-header{background:rgba(255,252,246,.98);border-bottom:1px solid var(--border);position:relative;z-index:20}.head-inner{height:72px;width:min(1160px,calc(100% - 56px));margin:auto;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;min-width:120px;font-weight:800;font-size:22px;color:var(--deep)}.brand img{max-height:34px;width:auto;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:24px;flex:1}.desktop-nav a{min-height:44px;display:flex;align-items:center;position:relative}.desktop-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--primary)}.head-actions{display:flex;gap:10px;align-items:center}.overview-btn,.mobile-menu-btn{border:1px solid var(--border);background:#fff;padding:10px 14px;border-radius:10px;color:var(--deep);font:inherit;cursor:pointer;min-height:44px}.mobile-service-link,.mobile-head-actions>a{min-height:44px;display:flex;align-items:center}.overview-panel{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.overview-grid{width:min(960px,calc(100% - 56px));margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:28px 0}.overview-grid section,.mobile-menu section{display:flex;flex-direction:column;gap:8px}.overview-grid h2,.mobile-menu h2{font-size:15px;margin:0 0 8px;color:var(--deep)}.overview-grid a{padding:8px 0;border-bottom:1px dashed var(--border)}.overview-grid small{display:block;color:var(--muted);font-size:13px}.mobile-head-actions,.mobile-menu{display:none}.hero{padding:68px 0 48px}.hero-grid,.split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:44px;align-items:center}.eyebrow{font-size:14px;color:var(--primary);font-weight:700;letter-spacing:.08em}.hero h1,.page-head h1{color:var(--title);font-size:34px;line-height:1.22;margin:10px 0 18px}.hero p,.page-head p{max-width:720px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn{display:inline-flex;min-height:44px;align-items:center;padding:10px 16px;border-radius:10px;background:var(--primary);color:#fff}.btn.secondary{background:var(--accent);color:var(--deep)}.media-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;align-items:center;justify-content:center}.media-box img{max-width:100%;width:auto;height:auto;max-height:320px;object-fit:contain;object-position:center}.section{padding:48px 0}.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}.section-title h2{margin:0;color:var(--title);font-size:25px}.section-title p{margin:0;color:var(--muted);max-width:620px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.panel,.article-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.card h3,.panel h3{color:var(--title);margin:0 0 10px;font-size:19px}.card p,.panel p{margin:0;color:var(--text)}.index-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.index-item{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px}.index-item strong{display:block;color:var(--title);margin-bottom:6px}.feature-media img{max-width:100%;max-height:230px;width:auto;height:auto;object-fit:contain}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.reading-list{display:grid;gap:12px}.reading-list a{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}.reading-list strong{color:var(--primary)}.page-head{padding:50px 0 28px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:10px}.content-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(220px,280px);gap:34px;align-items:start}.article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.article h2{color:var(--title);font-size:23px;margin:30px 0 10px}.article h2:first-child{margin-top:0}.article p{margin:0 0 18px}.article ul{padding-left:1.2em}.side-nav{position:sticky;top:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.side-nav h2{font-size:17px;margin-top:0;color:var(--title)}.side-nav a{display:block;padding:9px 0;border-bottom:1px solid var(--border)}.site-footer{margin-top:56px;background:#F2ECDF;border-top:1px solid var(--border);padding:40px 0 calc(24px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h2{font-size:16px;color:var(--title)}.footer-grid a{display:block;padding:5px 0}.footer-note{margin-top:30px;color:var(--muted);font-size:14px}.bottom-nav{display:none}[hidden]{display:none!important}
@media(max-width:900px){.wrap,.head-inner{width:min(100% - 44px,1160px)}.desktop-nav,.head-actions{display:none}.mobile-head-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.head-inner{height:62px}.mobile-menu{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:20px 22px;background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.mobile-menu a{padding:8px 0;border-bottom:1px solid var(--border)}.hero-grid,.split{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,1fr)}.index-row{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.side-nav{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}.wrap,.head-inner{width:calc(100% - 32px)}.brand{min-width:0}.brand img{max-height:30px}.hero{padding:38px 0 30px}.hero h1,.page-head h1{font-size:28px}.hero-grid{gap:24px}.media-box img{max-height:260px}.section{padding:34px 0}.section-title{display:block}.section-title h2{font-size:22px}.card-grid,.index-row,.two-col,.footer-grid,.mobile-menu{grid-template-columns:1fr}.mobile-menu{padding:18px 16px}.card,.panel,.article{padding:18px}.content-layout{gap:20px}.reading-list a{grid-template-columns:70px 1fr}.site-footer{padding-bottom:28px}.bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:30;min-height:58px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.bottom-nav a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:58px;padding:6px 4px}.feature-media img{max-height:210px}}