:root{--bg:#f5f5f7;--card:#fff;--text:#111;--muted:#7b7d83;--line:#e7e8eb;--black:#0b0b0d;--blue:#0071e3;--green:#20c77a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}.site-nav{height:64px;background:rgba(255,255,255,.84);backdrop-filter:saturate(180%) blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid rgba(0,0,0,.08);display:flex;align-items:center;padding:0 4.2%;position:sticky;top:0;z-index:20}.brand{width:150px}.brand-mark{font-size:29px;font-weight:800;letter-spacing:-2.5px}.site-nav nav{display:flex;gap:38px;height:100%;align-items:center}.site-nav nav a{font-size:14px;color:#222;position:relative;height:100%;display:flex;align-items:center}.site-nav nav a.active:after{content:"";position:absolute;height:2px;background:#111;left:0;right:0;bottom:0}.nav-actions{margin-left:auto;display:flex;align-items:center;gap:20px}.icon-btn{font-size:24px;line-height:1}.nav-login{background:#111;color:#fff;padding:10px 18px;border-radius:999px;font-size:13px}.home-wrap{max-width:1400px;margin:0 auto;padding:24px 4.2% 0}.home-grid{display:grid;grid-template-columns:minmax(0,3.2fr) minmax(300px,1.25fr);gap:22px}.hero{height:275px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(105deg,#f9fafc 0%,#f0f2f6 58%,#dfe3e9 100%);position:relative;overflow:hidden;padding:36px 38px}.eyebrow{font-size:13px;letter-spacing:1.4px;color:#666b74}.hero h1{font-size:44px;line-height:1.08;letter-spacing:-2.5px;margin:14px 0 12px;font-weight:750}.hero p{margin:0;color:#737984;line-height:1.8;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--black);color:#fff;border-radius:999px;border:0;cursor:pointer;font-weight:600;transition:transform .2s,opacity .2s}.btn:hover{transform:translateY(-1px);opacity:.92}.btn span{margin-left:12px}.hero-btn{margin-top:20px;padding:12px 21px;font-size:14px}.hero-art{position:absolute;right:-5px;top:-18px;width:48%;height:110%;pointer-events:none}.device{position:absolute;right:8%;top:14%;width:245px;height:165px;border-radius:18px;transform:rotate(-8deg);background:linear-gradient(145deg,#fafbfc,#cbd0d7);box-shadow:20px 28px 35px rgba(0,0,0,.14),inset 0 0 0 1px rgba(255,255,255,.7)}.device:before,.device:after{content:"";position:absolute;inset:10px;border-radius:14px;border:1px solid rgba(255,255,255,.7)}.device:after{transform:translate(17px,17px);background:linear-gradient(145deg,rgba(255,255,255,.65),rgba(150,156,166,.35));z-index:-1}.device span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(8deg);font-size:38px;font-weight:800;letter-spacing:-3px}.orbit{position:absolute;width:410px;height:95px;border:2px solid rgba(255,255,255,.9);border-radius:50%;right:1%;top:36%;transform:rotate(-18deg)}.section{margin-top:27px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:15px}.section-head h2,.benefit-card h2{margin:0;font-size:22px;letter-spacing:-.8px}.section-head p{margin:5px 0 0;color:#8a8d94;font-size:13px}.more{font-size:13px;color:#777}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.product-card{min-height:260px;background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:17px;padding:22px 22px 20px;box-shadow:0 8px 30px rgba(0,0,0,.025);transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-3px);box-shadow:0 16px 35px rgba(0,0,0,.07)}.product-icon{width:54px;height:54px;border-radius:15px;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:750;font-size:19px;margin-bottom:15px}.product-card h3{font-size:17px;margin:0 0 7px}.product-card p{height:39px;margin:0;color:#8a8d94;font-size:12px;line-height:1.65}.product-price{font-size:19px;font-weight:700;margin:15px 0}.product-price small{font-size:12px;font-weight:500;color:#777}.small-btn{padding:9px 16px;font-size:12px}.home-side{display:flex;flex-direction:column;gap:14px}.login-card,.quick-card,.benefit-card,.promo{border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.88)}.login-card{min-height:113px;padding:20px;display:flex;align-items:center;gap:15px}.dark-card{background:linear-gradient(135deg,#202124,#09090a);color:#fff;border-color:#111}.avatar{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;color:#111;font-weight:800}.side-title{font-size:16px;font-weight:700}.side-sub{font-size:12px;color:#a9abb0;margin-top:6px}.side-arrow{margin-left:auto;font-size:28px;color:#ddd}.quick-card{display:grid;grid-template-columns:repeat(4,1fr);padding:18px 8px}.quick-card a{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11px}.quick-card span{width:38px;height:38px;border-radius:50%;background:#f5f6f8;display:flex;align-items:center;justify-content:center;font-size:18px}.quick-card b{font-weight:500}.benefit-card{padding:21px 22px}.benefit-card h2{margin-bottom:16px}.benefit{display:flex;gap:14px;align-items:center;padding:9px 0}.benefit>span{width:38px;height:38px;border-radius:50%;background:#f5f6f8;display:flex;align-items:center;justify-content:center;font-size:19px}.benefit b{display:block;font-size:13px}.benefit small{display:block;color:#999da5;font-size:11px;margin-top:4px}.promo{min-height:158px;padding:23px;background:linear-gradient(135deg,#eef3ff,#dce7ff);position:relative;overflow:hidden}.promo:after{content:"";position:absolute;width:270px;height:130px;right:-80px;bottom:-50px;border-radius:50%;background:rgba(255,255,255,.5);box-shadow:-55px -8px 0 rgba(255,255,255,.35),-105px 8px 0 rgba(255,255,255,.2)}.promo small{font-size:10px;letter-spacing:1.4px;color:#8b95aa}.promo h2{font-size:22px;margin:11px 0 6px}.promo p{margin:0;color:#747f94;font-size:12px}.promo-arrow{position:absolute;right:23px;bottom:22px;width:34px;height:34px;background:#111;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:2}.announcement{padding-bottom:28px}.notice-row{height:49px;border:1px solid var(--line);background:rgba(255,255,255,.65);border-radius:13px;display:flex;align-items:center;gap:12px;padding:0 15px;font-size:13px}.notice-dot{font-size:19px}.notice-row time{margin-left:auto;color:#999;font-size:11px}.site-footer{max-width:1400px;margin:0 auto;border-top:1px solid #e4e5e7;padding:24px 4.2% 30px;display:flex;justify-content:space-between;color:#858991;font-size:11px}.site-footer>div{display:flex;align-items:center;gap:17px}.site-footer strong{font-size:22px;color:#111;letter-spacing:-1.5px}.site-footer a:hover{color:#111}.input,select{width:100%;padding:14px 15px;border:1px solid #d8d9dc;border-radius:13px;background:#fff;font-size:15px;outline:none}.input:focus,select:focus{border-color:#999;box-shadow:0 0 0 3px rgba(0,113,227,.1)}.label{font-size:13px;color:#666;margin-bottom:8px;display:block}.form-row{margin:17px 0}.notice{padding:14px 16px;border-radius:14px;background:#f0f0f2;color:#555}.danger{background:#fff0f0}.center{text-align:center}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;border-bottom:1px solid #eee;text-align:left;font-size:13px}.pill{padding:5px 9px;border-radius:99px;background:#eee;font-size:12px}.admin-grid{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px)}.side{background:#fff;border-right:1px solid #eee;padding:22px}.side a{display:block;padding:11px 12px;border-radius:10px}.side a:hover{background:#f2f2f2}.main{padding:30px}.stat{font-size:30px;font-weight:700}.card{background:#fff;border:1px solid #e7e7e7;border-radius:20px;padding:25px;box-shadow:0 10px 35px rgba(0,0,0,.035)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
@media(max-width:1000px){.site-nav nav{gap:20px}.brand{width:110px}.home-grid{grid-template-columns:1fr}.home-side{display:grid;grid-template-columns:1fr 1fr}.promo{grid-column:span 2}.product-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.site-nav{padding:0 18px}.site-nav nav{display:none}.nav-actions{gap:10px}.icon-btn:first-child{display:none}.nav-login{padding:9px 13px}.home-wrap{padding:14px 14px 0}.hero{height:310px;padding:28px 24px}.hero h1{font-size:35px}.hero-art{opacity:.55;width:60%;top:35%}.device{width:190px;height:125px}.product-grid{grid-template-columns:1fr 1fr;gap:10px}.product-card{padding:17px;min-height:245px}.home-side{display:flex}.promo{grid-column:auto}.section-head{align-items:flex-start}.section-head .more{display:none}.site-footer{padding:20px 14px;display:block}.site-footer>div{margin:8px 0;flex-wrap:wrap}.admin-grid{grid-template-columns:1fr}.side{border-right:0;border-bottom:1px solid #eee}.main{padding:18px}.table{display:block;overflow:auto;white-space:nowrap}}

/* AQ V2 checkout page */
.checkout-wrap{max-width:1180px;margin:0 auto;padding:28px 4.2% 60px}.checkout-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.back-link{font-size:13px;color:#666}.back-link:hover{color:#111}.checkout-step{font-size:10px;letter-spacing:1.6px;color:#9a9ca2}.checkout-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px;align-items:start}.checkout-main{padding:38px 40px;border-radius:24px}.checkout-main h1{font-size:40px;letter-spacing:-1.8px;margin:12px 0 8px}.checkout-lead{margin:0 0 26px;color:#858991;font-size:14px}.selected-product{display:flex;align-items:center;gap:16px;padding:18px;background:#f7f7f8;border:1px solid #ebebed;border-radius:17px;margin-bottom:27px}.selected-icon{width:52px;height:52px;border-radius:15px;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800}.selected-info{min-width:0;flex:1}.selected-label{display:block;font-size:10px;letter-spacing:1px;color:#999da5;margin-bottom:5px}.selected-info strong{display:block;font-size:16px}.selected-info small{display:block;color:#92959c;font-size:11px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.selected-price{text-align:right;padding-left:15px}.selected-price span{display:block;font-size:10px;color:#999da5;margin-bottom:5px}.selected-price strong{font-size:21px}.checkout-form .form-row{margin:20px 0}.checkout-input{padding:15px 16px;border-radius:14px}.label span{color:#a0a2a8}.field-tip{font-size:11px;color:#999da5;margin-top:7px}.checkout-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:28px}.secondary-btn{padding:12px 19px;border:1px solid #dedfe2;border-radius:999px;font-size:13px;color:#555;background:#fff}.secondary-btn:hover{border-color:#bbb;color:#111}.checkout-submit{padding:13px 23px;font-size:13px;min-width:150px}.checkout-side{display:flex;flex-direction:column;gap:14px}.checkout-summary{padding:25px}.summary-title{font-size:16px;font-weight:700;margin-bottom:21px}.summary-row{display:flex;justify-content:space-between;gap:15px;font-size:12px;margin:14px 0;color:#858991}.summary-row strong{color:#222;font-weight:600}.summary-pill{padding:5px 9px;border-radius:99px;background:#f1f1f2;color:#666}.summary-divider{height:1px;background:#ededee;margin:20px 0}.summary-total{display:flex;justify-content:space-between;align-items:flex-end}.summary-total span{font-size:12px;color:#858991}.summary-total strong{font-size:26px;letter-spacing:-1px}.secure-card{padding:18px 20px;display:flex;gap:13px;align-items:center}.secure-icon{width:38px;height:38px;border-radius:50%;background:#f3f4f5;display:flex;align-items:center;justify-content:center;font-weight:700}.secure-card strong{font-size:13px}.secure-card p{margin:4px 0 0;color:#999da5;font-size:11px}.back-home-card{display:flex;justify-content:space-between;align-items:center;padding:19px 21px;border:1px solid var(--line);border-radius:17px;background:#111;color:#fff;font-size:13px}.back-home-card span:last-child{font-size:20px;color:#ccc}
@media(max-width:800px){.checkout-wrap{padding:18px 14px 40px}.checkout-grid{grid-template-columns:1fr}.checkout-main{padding:27px 22px}.checkout-main h1{font-size:34px}.selected-product{align-items:flex-start}.selected-price{margin-left:auto}.checkout-side{display:grid;grid-template-columns:1fr 1fr}.checkout-summary{grid-column:span 2}.back-home-card{grid-column:span 2}}
@media(max-width:520px){.checkout-top{margin-bottom:14px}.checkout-step{display:none}.selected-product{flex-wrap:wrap}.selected-price{width:100%;padding:8px 0 0;text-align:left;border-top:1px solid #e9e9eb;margin-top:2px}.checkout-actions{justify-content:stretch}.secondary-btn,.checkout-submit{flex:1}.checkout-side{display:flex}.checkout-summary{grid-column:auto}.back-home-card{grid-column:auto}}


/* ===== Mobile polish v3 ===== */
.mobile-menu{display:none}
.mobile-menu summary{list-style:none;cursor:pointer;width:40px;height:40px;border-radius:12px;background:#f3f3f5;display:flex;align-items:center;justify-content:center;font-size:20px}
.mobile-menu summary::-webkit-details-marker{display:none}
.mobile-menu-panel{position:absolute;right:14px;top:56px;width:190px;padding:8px;background:rgba(255,255,255,.97);border:1px solid #e6e6e8;border-radius:16px;box-shadow:0 16px 40px rgba(0,0,0,.12)}
.mobile-menu-panel a{display:block;padding:12px 13px;border-radius:10px;font-size:14px}
.mobile-menu-panel a:hover{background:#f4f4f5}
.public-page{min-height:calc(100vh - 64px)}
.result-wrap,.query-wrap{max-width:760px;margin:0 auto;padding:36px 18px 70px}
.result-card,.query-card{padding:38px 34px;border-radius:24px}
.result-card h1,.query-card h1{font-size:40px;letter-spacing:-1.6px;margin:12px 0 24px}
.result-meta{display:grid;gap:14px;margin:22px 0;text-align:left}
.result-meta div{display:flex;justify-content:space-between;gap:20px;padding-bottom:13px;border-bottom:1px solid #eee}
.result-meta span{color:#858991;font-size:13px}.result-meta strong{font-size:13px;word-break:break-all;text-align:right}
.result-notice{margin-top:20px}
.result-actions{display:flex;justify-content:center;gap:10px;margin-top:22px;flex-wrap:wrap}
.btn-light{background:#f1f1f3;color:#222;padding:12px 20px}
.full-btn{width:100%;padding:14px 20px}

@media(max-width:900px){
  .site-nav{height:58px;padding:0 16px}
  .brand{width:auto;margin-right:auto}
  .brand-mark{font-size:27px;letter-spacing:-2px}
  .site-nav nav{display:none}
  .nav-actions{gap:8px}
  .nav-actions .icon-btn{display:none}
  .nav-login{font-size:12px;padding:9px 13px}
  .mobile-menu{display:block;margin-left:2px}
  .home-wrap{padding:14px 16px 0}
  .home-grid{display:block}
  .hero{height:auto;min-height:430px;padding:34px 26px 30px;border-radius:22px}
  .hero-art{display:none}
  .hero h1{font-size:42px;line-height:1.12;letter-spacing:-2px;max-width:560px;margin-top:18px}
  .hero p{font-size:15px;line-height:1.8;max-width:560px}
  .hero-btn{margin-top:24px;padding:13px 20px;font-size:14px}
  .section{margin-top:34px}
  .section-head h2,.benefit-card h2{font-size:25px}
  .section-head p{font-size:13px}
  .section-head .more{display:none}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .product-card{min-height:225px;padding:18px;border-radius:18px}
  .product-card h3{font-size:16px}
  .product-card p{font-size:12px}
  .product-price{font-size:18px}
  .home-side{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .login-card{grid-column:1/-1}
  .quick-card{grid-column:1/-1}
  .benefit-card{grid-column:1/-1}
  .promo{grid-column:1/-1}
  .site-footer{padding:24px 16px 30px}
  .site-footer>div{gap:12px}
  .checkout-wrap{padding:16px 16px 44px}
  .checkout-grid{grid-template-columns:1fr}
  .checkout-main{padding:28px 22px;border-radius:22px}
  .checkout-main h1{font-size:36px}
  .checkout-side{display:grid;grid-template-columns:1fr 1fr}
  .checkout-summary{grid-column:1/-1}
  .back-home-card{grid-column:1/-1}
  .result-wrap,.query-wrap{padding:24px 16px 50px}
}

@media(max-width:560px){
  .home-wrap{padding:10px 12px 0}
  .hero{min-height:390px;padding:28px 22px;border-radius:20px}
  .eyebrow{font-size:11px;letter-spacing:1.2px}
  .hero h1{font-size:38px;line-height:1.13;margin:16px 0 12px}
  .hero p{font-size:14px;line-height:1.75}
  .product-grid{grid-template-columns:1fr}
  .product-card{min-height:205px}
  .home-side{display:flex}
  .login-card{min-height:96px}
  .benefit-card{padding:19px}
  .benefit{padding:8px 0}
  .checkout-main{padding:24px 18px}
  .checkout-main h1{font-size:32px}
  .selected-product{padding:16px;gap:12px}
  .selected-info strong{font-size:15px}
  .checkout-actions{flex-direction:column-reverse;align-items:stretch}
  .secondary-btn,.checkout-submit{width:100%;flex:auto}
  .checkout-side{display:flex}
  .checkout-summary{padding:21px}
  .result-card,.query-card{padding:28px 20px;border-radius:20px}
  .result-card h1,.query-card h1{font-size:34px}
  .result-meta div{display:block}
  .result-meta strong{display:block;text-align:left;margin-top:5px}
}