:root{--bg:#F4F1F8;--paper:#FBF8FF;--deep:#E4DEEC;--soft:#EEE8F4;--ink:#161418;--text:#2A242C;--muted:#5A5460;--quiet:#7A7480;--blue:#4A8AB8;--pink:#C46A8A;--green:#6A9A48;--gold:#C4A04A;--purple:#6A4A9A;--line:rgba(22,20,24,.12);--shadow:0 12px 28px rgba(22,20,24,.08);--r:12px;--max:960px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{text-decoration:none;color:inherit}button,input{font:inherit}img{display:block;max-width:100%}.shell{width:min(var(--max),calc(100% - 32px));margin:auto}.skip{position:fixed;top:-60px;left:12px;z-index:100;background:var(--ink);color:var(--paper);padding:8px 12px;border-radius:8px}.skip:focus{top:12px}.top-wrap{position:fixed;left:0;right:0;top:0;z-index:40;box-shadow:0 8px 24px rgba(22,20,24,.05)}.mini{height:18px;background:var(--ink);color:var(--gold);font-size:12px;line-height:18px}.mini-row{height:18px;display:flex;align-items:center;justify-content:space-between}.plain{border:0;background:none;color:var(--gold);min-width:44px;padding:0;cursor:pointer}.head{height:58px;background:var(--paper);border-bottom:1px solid rgba(106,74,154,.2)}.head-grid{height:58px;display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center}.brand{display:flex;align-items:center;min-height:44px}.logo{height:24px;width:auto;object-fit:contain}.main-quick{display:flex;gap:8px}.main-quick a{min-height:40px;padding:0 14px;display:flex;align-items:center;border-radius:999px;font-size:13px;color:var(--muted)}.main-quick a.active{background:var(--purple);color:var(--paper);box-shadow:0 6px 16px rgba(106,74,154,.18)}.head-actions{display:flex;justify-content:flex-end;gap:8px}.primary-small,.menu-btn{min-height:44px;padding:0 14px;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px}.primary-small{background:linear-gradient(135deg,var(--blue),var(--pink) 48%,var(--purple));color:var(--paper);box-shadow:0 6px 16px rgba(106,74,154,.18)}.menu-btn{border:1px solid var(--purple);background:var(--paper);color:var(--ink);cursor:pointer}.site-main{padding-top:106px;min-height:70vh}.section,.breadcrumb{width:min(var(--max),calc(100% - 32px));margin-left:auto;margin-right:auto}.section{margin-bottom:36px}.breadcrumb{margin-bottom:18px;color:var(--quiet);font-size:13px}.breadcrumb a{color:var(--purple)}h1,h2,h3{margin:0 0 12px;color:var(--ink)}h1{font-size:24px;line-height:1.3}h2{font-size:20px;line-height:1.4}h3{font-size:16px;line-height:1.45}p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted)}.kicker{font-size:12px;letter-spacing:.12em;color:var(--purple);font-weight:700}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}.soft{background:var(--soft);border-radius:var(--r)}.deep{background:var(--deep);border-radius:var(--r)}.pad{padding:24px}.btn,.btn2,.text-link{min-height:44px;padding:0 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:all 180ms ease}.btn{background:linear-gradient(135deg,var(--blue),var(--pink) 48%,var(--purple));color:var(--paper);box-shadow:0 6px 16px rgba(106,74,154,.18)}.btn2{border:1px solid var(--purple);background:var(--paper);color:var(--ink)}.text-link{padding:0;color:var(--purple);font-weight:700}.btn:hover,.main-quick a.active:hover,.mobile-nav a.active:hover{filter:brightness(1.06);box-shadow:0 0 0 3px rgba(196,106,138,.28),0 10px 24px rgba(74,138,184,.28)}.btn:active,.main-quick a.active:active,.mobile-nav a.active:active{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(196,160,74,.4),0 0 22px rgba(106,74,154,.45)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--purple);outline-offset:2px}.media{display:flex;align-items:center;justify-content:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}.media img{width:100%;height:100%;object-fit:contain;object-position:center}.h160{height:160px}.h168{height:168px}.round{width:240px;height:176px;border-radius:50%;margin:auto}.app-media{width:240px;height:320px;margin:auto}.icon-media{width:48px;height:48px;margin:12px auto 0}.banner{height:200px}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;padding:28px}.hero-note{padding:14px 16px;background:var(--soft);border-left:4px solid var(--pink);border-radius:0 10px 10px 0}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.quick-grid a{padding:14px 12px;background:var(--paper);border:1px solid var(--line);border-radius:10px;text-align:center;font-size:13px}.quick-grid a:nth-child(1){border-top:4px solid var(--blue)}.quick-grid a:nth-child(2){border-top:4px solid var(--pink)}.quick-grid a:nth-child(3){border-top:4px solid var(--green)}.quick-grid a:nth-child(4){border-top:4px solid var(--gold)}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature{display:grid;grid-template-columns:210px 1fr;gap:20px;align-items:center;padding:20px}.feature.reverse{grid-template-columns:1fr 210px}.feature.reverse .media{order:2}.color-card{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);position:relative;overflow:hidden}.color-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--blue)}.color-card:nth-child(2):before{background:var(--pink)}.color-card:nth-child(3):before{background:var(--green)}.color-card:nth-child(4):before{background:var(--gold)}.color-card:nth-child(5):before{background:var(--purple)}.rows{display:grid}.row{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:18px 20px;background:var(--paper);border-bottom:1px solid var(--line)}.row:first-child{border-radius:var(--r) var(--r) 0 0}.row:last-child{border-bottom:0;border-radius:0 0 var(--r) var(--r)}.steps{counter-reset:n;display:grid;gap:14px}.steps article{counter-increment:n;position:relative;padding:20px 20px 20px 78px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}.steps article:before{content:counter(n);position:absolute;left:20px;top:20px;width:40px;height:40px;display:grid;place-items:center;border-radius:14px;background:var(--purple);color:var(--paper);font-weight:800}.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px}.checks li{position:relative;padding:14px 16px 14px 44px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.checks li:before{content:"✓";position:absolute;left:16px;top:13px;color:var(--green);font-weight:800}.status{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.status-box{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}.status-box strong{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--purple);font-size:13px;margin-bottom:8px}.center{max-width:760px;margin-left:auto;margin-right:auto;padding:28px;text-align:center}.center p{text-align:left}.faq-list{display:grid;gap:12px}.faq-item{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}.faq-item h2{font-size:16px}.footer{margin-top:54px;background:var(--ink);color:var(--bg);border-top:1px solid var(--gold);padding:34px 0 28px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand div{display:flex;flex-direction:column;line-height:1.15}.footer-brand span{font-size:12px;color:var(--gold)}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-grid h2{font-size:13px;color:var(--gold)}.footer-grid a{display:block;padding:4px 0;font-size:13px;color:var(--bg)}.footer-note,.copyright{font-size:13px;color:#D7D1DB;margin-top:18px}.copyright{margin-top:4px}.mask{position:fixed;inset:0;background:rgba(22,20,24,.48);z-index:60;opacity:0;visibility:hidden;pointer-events:none;transition:180ms}.mask.open{opacity:1;visibility:visible;pointer-events:auto}.menu-panel{position:fixed;left:0;right:0;bottom:0;z-index:70;max-height:250px;background:var(--paper);transform:translateY(105%);visibility:hidden;pointer-events:none;box-shadow:0 -16px 40px rgba(22,20,24,.18);transition:180ms;overflow:auto}.menu-panel.open{transform:translateY(0);visibility:visible;pointer-events:auto}.panel-inner{padding:16px 0 20px}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.close-btn{min-height:44px;padding:0 14px;border:1px solid var(--purple);background:var(--paper);color:var(--ink);border-radius:10px;cursor:pointer}.menu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.menu-grid h2{font-size:13px;color:var(--purple)}.menu-grid a{display:block;padding:4px 0;font-size:13px}.menu-grid small{display:block;color:var(--quiet);font-size:11px;line-height:1.45}.search-panel{position:fixed;left:0;right:0;top:76px;z-index:75;opacity:0;visibility:hidden;pointer-events:none;transition:180ms}.search-panel.open{opacity:1;visibility:visible;pointer-events:auto}.search-card{width:min(720px,calc(100% - 32px));margin:auto;padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:0 0 var(--r) var(--r);box-shadow:var(--shadow)}.search-card p{font-size:13px;color:var(--muted)}.search-card input{width:100%;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--bg);padding:0 12px}.search-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-links a{display:flex;align-items:center;min-height:44px;padding:0 14px;background:var(--soft);border:1px solid var(--line);border-radius:999px}.mobile-nav{display:none}.lock{overflow:hidden}@media(max-width:760px){.site-main{padding-top:100px;padding-bottom:72px}.head-grid{grid-template-columns:1fr auto}.main-quick{display:none}.hero,.two,.three,.feature,.feature.reverse,.status{grid-template-columns:1fr}.feature.reverse .media{order:0}.quick-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.menu-panel{max-height:64%}.menu-grid{grid-template-columns:1fr 1fr}.menu-grid small{display:none}.search-panel{inset:0;background:var(--ink);padding:16px}.search-card{width:100%;margin:0;background:var(--ink);color:var(--gold);border:1px solid rgba(196,160,74,.34);border-radius:12px;box-shadow:none}.search-card p{color:#D9CFAE}.search-card input{background:#252127;color:var(--bg);border-color:rgba(196,160,74,.32)}.search-links a{background:#252127;color:var(--bg);border-color:rgba(196,160,74,.32)}.search-panel .close-btn{background:var(--ink);color:var(--gold);border-color:var(--gold)}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:50;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-nav a{display:flex;align-items:center;justify-content:center;font-size:13px;min-height:48px}.mobile-nav a.active{background:var(--purple);color:var(--paper);box-shadow:0 6px 16px rgba(106,74,154,.18)}.row{grid-template-columns:1fr;gap:4px}}@media(max-width:480px){.shell,.section,.breadcrumb{width:calc(100% - 32px)}.primary-small,.menu-btn{padding:0 10px}.pad,.hero,.center{padding:20px}.footer-grid,.menu-grid{grid-template-columns:1fr 1fr}}