:root{--bg:#F6EDE0;--deep:#EAD7C0;--paper:#FFFFFF;--soft:#E8D2B4;--title:#3A2414;--text:#4A3220;--muted:#7A5634;--aux:#9A7450;--brand:#C4843C;--bright:#D9A05A;--dark:#8B5A2B;--cream:#FFF6EA;--border:rgba(196,132,60,.18);--strong-border:rgba(196,132,60,.46);--shadow:0 12px 28px rgba(58,36,20,.08);--radius:10px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}img{max-width:100%}.skip-link{position:fixed;left:12px;top:-60px;z-index:200;background:var(--paper);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}
.top-strip{position:fixed;inset:0 0 auto 0;height:20px;background:var(--dark);color:var(--cream);z-index:90;font-size:12px}.top-inner,.brand-inner,.quick-inner,.site-main,.footer-inner{width:min(960px,calc(100% - 32px));margin:0 auto}.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--cream);padding:0 2px;cursor:pointer;height:20px}.brand-header{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--paper);border-bottom:1px solid var(--border);z-index:89}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-link{display:flex;align-items:center;min-height:44px}.brand-logo,.footer-logo{height:24px;width:auto;object-fit:contain}.brand-fallback{font-size:16px;font-weight:700;color:var(--title)}.brand-actions{display:flex;align-items:center;gap:8px}.header-app,.menu-button{min-height:44px;padding:0 14px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.header-app{border:1px solid var(--strong-border);background:var(--paper);color:var(--title)}.menu-button{border:0;background:linear-gradient(135deg,#D9A05A 0%,#C4843C 55%,#8B5A2B 100%);color:var(--cream);cursor:pointer}.quick-nav{position:fixed;top:74px;left:0;right:0;height:44px;background:var(--cream);border-bottom:1px solid var(--border);z-index:88}.quick-inner{height:44px;display:flex;align-items:center;gap:10px}.quick-knot{width:18px;height:14px;border-radius:4px 7px 4px 7px;background:var(--brand);box-shadow:inset 0 0 0 2px rgba(255,255,255,.4)}.quick-link{min-height:32px;padding:4px 12px;border:1px solid var(--strong-border);border-radius:999px;color:var(--title);display:inline-flex;align-items:center;font-size:13px}.quick-link.is-current{background:var(--brand);color:var(--cream);border-color:var(--brand)}
.site-main{padding-top:148px;padding-bottom:56px;min-height:70vh}.hero{margin:0 0 28px}.eyebrow{font-size:13px;color:var(--muted);margin:0 0 8px;font-weight:700}.hero h1,.page-head h1{font-size:24px;line-height:1.3;color:var(--title);margin:0 0 12px}.hero .lead,.page-head .lead{max-width:760px;margin:0 0 18px}.primary-btn,.secondary-btn{min-height:42px;padding:0 18px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.primary-btn{background:linear-gradient(135deg,#D9A05A 0%,#C4843C 55%,#8B5A2B 100%);color:var(--cream);box-shadow:var(--shadow)}.secondary-btn{background:var(--paper);border:1px solid var(--strong-border);color:var(--title)}a:hover,.header-app:hover,.quick-link:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(196,132,60,.35);outline-offset:3px}
.section{margin:26px 0}.section h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 12px}.section h3{font-size:16px;color:var(--title);margin:0 0 8px}.section p{margin:0 0 12px}.paper{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.soft{background:var(--cream);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.media-slot{background:var(--cream);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.slot-176{height:176px}.slot-168{height:168px}.slot-160{height:160px}.slot-app{height:320px;width:240px}.slot-knot{height:176px;width:240px}.slot-banner{height:200px;width:100%}.slot-icon{width:48px;height:48px;border-radius:10px}.slot-icon img{width:48px;height:48px}
.index-strip{display:grid;grid-template-columns:250px 1fr;gap:20px;align-items:center}.index-dual{display:grid;grid-template-columns:1fr 1fr;gap:18px}.index-dual .paper{min-height:100%}.split-row{display:grid;grid-template-columns:1fr 260px;gap:20px;align-items:center}.status-row{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:16px 0;border-top:1px solid var(--border)}.status-row:first-child{border-top:0}.status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:4px 12px;border-radius:999px;background:var(--deep);color:var(--title);font-size:13px}.wrap-app{display:flex;gap:22px;align-items:flex-start}.wrap-app .app-visual{flex:0 0 240px}.app-icon-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.link-row{display:flex;gap:10px;flex-wrap:wrap}.plain-list{margin:0;padding-left:20px}.plain-list li{margin:6px 0}
.page-head{margin-bottom:22px}.dual-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}.dual-layout article{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.cut-layout{display:grid;grid-template-columns:260px 1fr;gap:22px;align-items:start}.cut-layout .cut-rail{background:var(--cream);border:1px solid var(--border);border-radius:var(--radius);padding:16px;position:sticky;top:136px}.cut-layout .cut-rail span{display:block;padding:9px 10px;border-radius:8px;background:rgba(255,255,255,.38);margin:3px 0}.cut-layout .cut-content section{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.page-stack{display:grid;gap:16px}.page-stack article{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.page-stack article:nth-child(even){margin-left:50px}.page-stack article:nth-child(odd){margin-right:50px}.center-card{max-width:740px;margin:0 auto;background:var(--paper);border:1px solid var(--strong-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.feature-list{display:grid;gap:12px}.feature-item{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.terms section{padding:18px 0;border-top:1px solid var(--border)}.terms section:first-child{border-top:0}.faq-list{display:grid;gap:14px}.faq-list article{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.faq-list h2{font-size:17px}.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.brand-banner{margin:0 0 22px}
.site-footer{background:var(--dark);color:var(--cream);border-top:1px solid rgba(255,246,234,.45);font-size:13px;padding:28px 0 76px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}.footer-brand div{display:flex;flex-direction:column;line-height:1.3}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:18px 0;border-top:1px solid rgba(255,246,234,.25);border-bottom:1px solid rgba(255,246,234,.25)}.footer-groups div{display:flex;flex-direction:column;gap:6px}.footer-groups strong{margin-bottom:4px}.footer-note{margin:18px 0 8px}.footer-copy{margin:0;opacity:.9}
.site-overlay{position:fixed;inset:0;background:rgba(58,36,20,.34);z-index:110;opacity:0;pointer-events:none;transition:opacity .18s}.site-overlay.is-visible{opacity:1;pointer-events:auto}.sheet{position:fixed;left:0;right:0;bottom:0;z-index:120;background:var(--paper);border-top:1px solid var(--strong-border);box-shadow:0 -18px 45px rgba(58,36,20,.18);max-height:220px;transform:translateY(104%);visibility:hidden;pointer-events:none;transition:transform .2s,visibility .2s}.sheet.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.sheet-head{height:48px;display:flex;align-items:center;justify-content:space-between;width:min(960px,calc(100% - 32px));margin:auto}.sheet-brand{display:flex;align-items:center;gap:9px}.sheet-brand img{height:24px;object-fit:contain}.sheet-close,.search-head button{border:1px solid var(--strong-border);background:var(--paper);color:var(--title);border-radius:8px;min-height:36px;padding:0 12px;cursor:pointer}.sheet-grid{width:min(960px,calc(100% - 32px));margin:auto;display:grid;grid-template-columns:1.2fr 1.2fr .8fr 1.4fr;gap:16px;padding:0 0 16px;overflow:auto;max-height:170px}.sheet-group{display:grid;gap:3px}.sheet-group>a{display:flex;gap:6px;align-items:baseline;padding:2px 0}.sheet-group small{color:var(--muted);font-size:11px}
.search-panel{position:fixed;left:0;right:0;top:74px;z-index:125;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.18s}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:0 auto;background:var(--paper);border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.search-card label{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}.search-card input{width:100%;min-height:44px;border:1px solid var(--strong-border);border-radius:8px;padding:0 12px;color:var(--title);background:var(--cream)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:40px;padding:7px 12px;border-radius:999px;border:1px solid var(--border);background:var(--cream);display:inline-flex;align-items:center}.mobile-bottom{display:none}
@media (max-width:720px){.quick-nav{display:none}.site-main{padding-top:102px;padding-bottom:82px}.top-inner,.brand-inner,.site-main,.footer-inner{width:calc(100% - 32px)}.brand-actions{gap:4px}.header-app,.menu-button{padding:0 10px}.index-strip,.index-dual,.split-row,.dual-layout,.cut-layout,.contact-cards{grid-template-columns:1fr}.index-strip{align-items:start}.split-row .media-slot{order:-1}.slot-knot{width:240px;max-width:100%}.cut-layout .cut-rail{position:static;display:flex;gap:4px;overflow-x:auto}.cut-layout .cut-rail span{white-space:nowrap}.page-stack article:nth-child(even),.page-stack article:nth-child(odd){margin:0}.wrap-app{display:block}.wrap-app .app-visual{width:240px;max-width:100%;margin-bottom:18px}.footer-groups{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:92px}.sheet{max-height:68vh}.sheet-grid{grid-template-columns:1fr 1fr;max-height:calc(68vh - 52px);padding-bottom:18px}.sheet-group>a{display:block}.sheet-group small{display:block}.search-panel{top:20px;bottom:0;background:var(--dark);padding-top:54px}.search-card{width:100%;height:100%;border-radius:0;background:var(--dark);color:var(--cream);border:0}.search-card label{color:var(--cream)}.search-card input{background:var(--cream)}.search-head button{background:var(--cream)}.search-presets a{background:rgba(255,246,234,.1);color:var(--cream);border-color:rgba(255,246,234,.4)}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--border);z-index:80}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a.is-current{background:var(--brand);color:var(--cream)}.slot-app{width:240px;max-width:100%}.status-row{grid-template-columns:1fr;gap:8px}.hero h1,.page-head h1{font-size:24px}.paper{padding:17px}}