[hidden]{display:none!important}
:root{--bg:#F8F3E9;--paper:#FFFCF6;--deep:#38264D;--title:#39294D;--text:#493F4B;--muted:#6D6271;--primary:#7552A3;--accent:#E8D38B;--border:#E7DDED;--soft:#F3EEF7;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.72 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:var(--primary);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:12px;z-index:999;background:#fff;padding:10px 14px;border-radius:8px}.site-header{background:rgba(255,252,246,.98);border-bottom:1px solid var(--border);position:relative;z-index:50}.header-inner{max-width:var(--max);min-height:72px;margin:auto;padding:0 28px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;min-width:124px;text-decoration:none}.brand-mark{height:32px;width:auto;max-width:180px;object-fit:contain}.brand-text{font-weight:800;color:var(--deep);font-size:21px;letter-spacing:.02em}.desktop-nav{display:flex;align-items:center;gap:22px;flex:1;justify-content:center}.desktop-nav a,.app-link{min-height:44px;display:flex;align-items:center;text-decoration:none;color:var(--text);font-weight:650;position:relative}.desktop-nav a.is-active,.desktop-nav a:hover,.app-link.is-active,.app-link:hover{color:var(--primary)}.desktop-nav a.is-active:after,.app-link.is-active:after{content:"";position:absolute;left:0;right:0;bottom:5px;height:2px;background:var(--primary)}.header-actions{display:flex;align-items:center;gap:12px}.menu-button{min-height:44px;padding:0 14px;border:1px solid var(--border);background:var(--paper);color:var(--deep);border-radius:10px;font-weight:700;cursor:pointer}.mobile-menu-button{display:none}.mega-menu{position:absolute;left:0;right:0;top:100%;padding:18px 28px 28px;background:rgba(248,243,233,.98);border-bottom:1px solid var(--border);box-shadow:0 18px 30px rgba(56,38,77,.08)}.mega-inner{position:relative;max-width:960px;margin:auto;background:var(--paper);border:1px solid var(--border);border-radius:14px;padding:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.menu-group h2{font-size:15px;color:var(--muted);margin:0 0 12px}.menu-group a{display:block;padding:9px 0;text-decoration:none;color:var(--text);border-bottom:1px solid #eee7f1}.menu-group a:last-child{border-bottom:0}.menu-group strong{display:block;color:var(--title);font-size:15px}.menu-group span{display:block;color:var(--muted);font-size:13px;line-height:1.5;margin-top:3px}.close-menu{position:absolute;right:12px;top:10px;border:0;background:transparent;color:var(--muted);min-width:44px;min-height:44px;cursor:pointer}.mobile-menu{display:none}.container{width:min(var(--max),calc(100% - 56px));margin-inline:auto}.page-hero{padding:44px 0 20px}.eyebrow{color:var(--primary);font-weight:800;font-size:14px;letter-spacing:.08em;margin:0 0 8px}.page-hero h1,.hero-copy h1{font-size:clamp(28px,4vw,34px);line-height:1.25;margin:0 0 14px;color:var(--title)}.lede{max-width:820px;color:var(--muted);margin:0;font-size:17px}.breadcrumbs{font-size:14px;margin-top:14px;color:var(--muted)}.breadcrumbs a{color:var(--muted)}.section{padding:34px 0}.section + .section{padding-top:20px}.section-title{font-size:clamp(22px,3vw,26px);line-height:1.3;color:var(--title);margin:0 0 18px}.section-intro{max-width:800px;margin:0 0 22px}.card{background:var(--paper);border:1px solid var(--border);border-radius:14px;padding:22px}.card h2,.card h3{color:var(--title);margin-top:0}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid.six{grid-template-columns:repeat(3,minmax(0,1fr))}.card p:last-child{margin-bottom:0}.reading-layout{display:grid;grid-template-columns:minmax(0,820px) 260px;gap:32px;align-items:start}.article{background:var(--paper);border:1px solid var(--border);border-radius:14px;padding:26px}.article h2{color:var(--title);font-size:24px;margin:30px 0 10px}.article h2:first-child{margin-top:0}.article h3{color:var(--title);font-size:19px;margin:24px 0 8px}.article p{margin:0 0 16px}.article ul,.article ol{padding-left:1.25em}.aside{display:grid;gap:14px}.aside .card{padding:18px}.link-list{display:grid;gap:10px}.link-list a{display:block;background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:13px 15px;text-decoration:none;color:var(--text)}.link-list a strong{color:var(--title)}.hero-home{padding:48px 0 28px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}.hero-copy p{font-size:17px;max-width:650px}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;text-decoration:none;font-weight:800}.button.primary{background:var(--primary);color:#fff}.button.secondary{background:var(--accent);color:var(--deep)}.media-slot{background:var(--paper);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;padding:14px;min-width:0}.media-slot img{width:auto;max-width:100%;height:auto;max-height:230px;object-fit:contain;object-position:center}.cover-slot img{max-height:320px}.phone-slot img{max-height:400px}.media-text{display:grid;grid-template-columns:minmax(260px,.9fr) 1.1fr;gap:28px;align-items:center}.index-strip{background:var(--deep);color:#fff;border-radius:14px;padding:24px}.index-strip h2{margin:0 0 8px;color:#fff;font-size:22px}.index-strip>p{margin:0 0 18px;color:#eee4f6}.index-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.index-links a{display:block;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:14px}.index-links strong{display:block;margin-bottom:5px}.index-links span{font-size:14px;color:#eee4f6}.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px}.split-panel .card{height:100%}.reading-list{display:grid;gap:0;border-top:1px solid var(--border)}.reading-item{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--border)}.reading-item strong{color:var(--title)}.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.tag-row a{background:var(--soft);border:1px solid var(--border);border-radius:999px;padding:7px 12px;text-decoration:none;color:var(--title);font-size:14px}.quote-note{border-left:4px solid var(--accent);padding:12px 16px;background:#fffaf0;border-radius:0 10px 10px 0}.check-list{display:grid;gap:12px}.check-item{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:17px}.check-item strong{color:var(--title)}.terms-section{border-top:1px solid var(--border);padding:22px 0}.terms-section:first-child{border-top:0;padding-top:0}.faq-list{display:grid;gap:14px}.faq-item{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:20px}.faq-item h2{font-size:19px;margin:0 0 8px;color:var(--title)}.site-footer{margin-top:58px;background:#efe7dc;border-top:1px solid var(--border);padding:42px 0 100px}.footer-grid{width:min(var(--max),calc(100% - 56px));margin:auto;display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:26px}.footer-grid h2{font-size:15px;color:var(--title);margin:0 0 10px}.footer-grid a{display:block;color:var(--text);margin:7px 0;text-decoration:none;font-size:14px}.footer-brand p{font-size:14px;color:var(--muted);max-width:300px}.footer-logo{display:inline-flex;min-height:44px;align-items:center}.footer-note{width:min(var(--max),calc(100% - 56px));margin:28px auto 0;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:13px}.bottom-nav{display:none}.badge-line{display:flex;align-items:center;gap:14px}.badge-line img{width:auto;height:auto;max-width:64px;max-height:64px;object-fit:contain}.small-note{font-size:14px;color:var(--muted)}@media(max-width:900px){.desktop-nav,.desktop-menu-button{display:none}.mobile-menu-button{display:inline-flex;align-items:center}.header-inner{padding:0 22px;min-height:64px;gap:12px}.brand{min-width:0;margin-right:auto}.app-link{font-size:14px}.mobile-menu{display:block;padding:10px 22px 16px;background:var(--paper);border-top:1px solid var(--border)}.mobile-menu details{border-bottom:1px solid var(--border)}.mobile-menu summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:750;color:var(--title)}.mobile-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 0 14px}.mobile-links a{min-height:44px;display:flex;align-items:center;padding:8px 10px;background:var(--soft);border-radius:9px;text-decoration:none;color:var(--text)}.container{width:min(var(--max),calc(100% - 44px))}.card-grid,.card-grid.six{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-layout{grid-template-columns:1fr}.aside{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid,.media-text{grid-template-columns:1fr}.hero-grid .media-slot{order:2}.index-links{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{width:min(var(--max),calc(100% - 44px));grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.footer-note{width:min(var(--max),calc(100% - 44px));flex-direction:column}.phone-slot{max-width:420px;margin:auto}.phone-slot img{max-height:350px}}@media(max-width:640px){body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}.header-inner{padding:0 16px}.brand-mark{height:28px;max-width:130px}.menu-button{padding:0 12px}.app-link{font-size:0}.app-link:after{content:"应用";font-size:14px}.container{width:calc(100% - 32px)}.page-hero{padding:34px 0 14px}.section{padding:28px 0}.card-grid,.card-grid.two,.card-grid.six,.split-panel,.aside{grid-template-columns:1fr}.index-links{grid-template-columns:1fr}.reading-item{grid-template-columns:1fr;gap:6px}.article{padding:20px}.cover-slot img{max-height:260px}.phone-slot img{max-height:320px}.media-slot img{max-height:210px}.footer-grid{width:calc(100% - 32px);grid-template-columns:1fr}.footer-note{width:calc(100% - 32px)}.site-footer{padding-bottom:34px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(58px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:var(--paper);border-top:1px solid var(--border)}.bottom-nav a{display:flex;align-items:center;justify-content:center;text-align:center;color:var(--muted);text-decoration:none;font-size:12px;min-width:0}.bottom-nav a.is-active{color:var(--primary);font-weight:800}.mobile-menu{padding-inline:16px}.mobile-links{grid-template-columns:1fr}.button{flex:1 1 140px}.hero-home{padding-top:34px}.footer-note{font-size:12px}}

/* The mobile directory remains absent from layout until its explicit toggle opens it. */
@media(max-width:900px){.mobile-menu:not([hidden]){display:block}.mobile-menu[hidden],.mega-menu[hidden]{display:none!important}}

/* Mobile directory is in normal flow and is wholly absent until explicitly opened. */
[hidden],.mobile-menu[hidden],.mega-menu[hidden]{display:none!important}
@media(max-width:900px){.mobile-menu:not([hidden]){display:block}.mobile-menu-group{padding:10px 0 12px;border-bottom:1px solid var(--border)}.mobile-menu-group:last-child{border-bottom:none}.mobile-menu-group h2{font-size:16px;color:var(--title);margin:0 0 10px;font-weight:750}.mobile-links{padding-bottom:2px}.mobile-menu{max-height:none;overflow:visible}}
@media(max-width:640px){.mobile-menu-group h2{margin-bottom:8px}}