/* Yukuaicha interface, 2026.10.14. Existing business styles remain compatible. */
.page-admin .admin-nav{display:flex;flex-wrap:wrap}.page-admin .flex{flex-wrap:wrap}.page-admin .container,.page-admin .card{min-width:0}.page-admin .admin-nav a{display:inline-flex;align-items:center}
:root{--primary:#087f80;--primary-dark:#066567;--text:#132c40;--muted:#637787;--bg:#f4f7f8;--border:#dbe5e9;--radius:16px;--shadow:0 8px 32px #173a5110}
body{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;letter-spacing:.01em}a,button,input{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:3px solid #f2af62;outline-offset:4px}h1,h2,h3{letter-spacing:-.035em}button,input,select{font:inherit}button{min-height:40px}.nav{background:#faffffed;box-shadow:none;backdrop-filter:blur(16px)}.nav-inner{max-width:1200px;height:80px;padding:0 32px}.brand{font-size:21px;white-space:nowrap}.brand .logo{width:38px;height:38px;background:#0b7d80;border-radius:12px;transform:rotate(-6deg);font-size:21px}.nav-links{gap:26px}.btn{padding:12px 23px;border-radius:9px;font-weight:650;font-size:14px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:18px}.btn-sm{padding:8px 15px;min-height:38px}.btn-block{display:flex}.btn-outline{border-color:#c7d6de;color:#243f51;background:#fff}.btn-outline:hover{background:#eef8f7}.container{max-width:1180px;padding:30px 28px}.card{border:1px solid var(--border);box-shadow:none;padding:26px;margin-bottom:22px}.card h2{font-size:23px}.card h3{font-size:17px;margin-bottom:16px}.input{padding:12px 14px;border-radius:9px;min-height:46px}.input:focus{box-shadow:0 0 0 3px #087f801c;border-color:var(--primary)}.form-group label{font-weight:600;color:#3e5666;font-size:14px}.stat-grid{gap:18px;margin:24px 0}.stat{border:1px solid var(--border);text-align:left;padding:24px;box-shadow:none}.stat .val{font-size:32px;letter-spacing:-.04em}.stat .label{font-size:13px}.table-wrap{width:100%;max-width:100%;border:1px solid var(--border);border-radius:10px}th,td{padding:14px}th{background:#f0f5f7;color:#506778;font-size:12px}td{font-size:13px}tbody tr:hover{background:#f7fbfb}.card>table{min-width:0;table-layout:fixed}.card>table td{white-space:normal;overflow-wrap:anywhere}.key-box{padding:18px;background:#eff7f6;border:1px solid #c9dfdd}.key-box>span{min-width:0;overflow-wrap:anywhere}.alert{line-height:1.8}.footer{border-top:1px solid var(--border);padding:32px 20px;line-height:2}.eyebrow{font:600 11px/1.7 ui-monospace,Consolas,monospace;letter-spacing:.15em;color:var(--primary);margin-bottom:20px}.signal{display:inline-block;width:7px;height:7px;border-radius:50%;background:#0a9c86;box-shadow:0 0 0 5px #e1f2ed;margin-right:10px}.landing-hero{max-width:1200px;margin:auto;padding:90px 32px 80px;display:grid;grid-template-columns:1.12fr 1fr;gap:74px;align-items:center}.hero-copy h1{font-size:clamp(36px,4.3vw,59px);line-height:1.22;font-weight:750;margin:20px 0 26px}.hero-copy h1 span{color:var(--primary)}.lead{font-size:17px;line-height:1.95;color:var(--muted)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.hero-facts{display:flex;gap:20px;color:var(--muted);font-size:11px;margin-top:28px}.hero-facts span:before{content:'✓';color:var(--primary);margin-right:5px}.tracking-preview{background:#fff;border:1px solid #dce8e9;border-radius:20px;box-shadow:18px 20px 0 #e4eeed,0 20px 60px #133c4910;transform:rotate(1deg);overflow:hidden}.preview-head{padding:22px 24px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #edf1f3}.parcel-mark{width:42px;height:42px;border-radius:12px;background:#edf5f4;color:var(--primary);font-size:32px;text-align:center;line-height:40px}.preview-head strong{font-size:14px}.preview-head small{display:block;font:9px/2 monospace;color:var(--muted);letter-spacing:.06em}.preview-tag{margin-left:auto;padding:3px 8px;background:#f0f5f7;color:var(--muted);font-size:10px;border-radius:5px}.preview-status{padding:22px 26px;background:#eff8f6}.preview-status>span,.preview-status small{display:block;font-size:11px;color:#63817c}.preview-status strong{display:block;font-size:29px;margin:4px 0;color:#0b696b}.journey{list-style:none;padding:24px 28px 14px}.journey li{display:flex;gap:18px;position:relative;padding-bottom:23px}.journey li:not(:last-child):before{content:'';position:absolute;width:1px;background:#dce6e8;left:5px;top:15px;bottom:0}.dot{position:relative;flex-shrink:0;width:11px;height:11px;margin-top:5px;border:3px solid #fff;border-radius:50%;background:#a6b9be;box-shadow:0 0 0 1px #cbd8dc}.current .dot{background:#098f7a;box-shadow:0 0 0 4px #d9efea}.journey b{font-size:13px}.journey p{font-size:11px;color:var(--muted);margin-top:4px}.journey small{font-size:9px;color:#078070}.preview-foot{padding:15px 24px;background:#fafcfc;border-top:1px solid #edf1f3;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.code-label{font-family:monospace;color:var(--primary)}.carrier-strip{border-block:1px solid var(--border);max-width:1136px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:26px 0;gap:24px}.carrier-strip>span,.carrier-strip>a{font-size:11px;white-space:nowrap}.carrier-strip>div{font-size:15px;font-weight:600;display:flex;flex-wrap:wrap;gap:15px}.carrier-strip i{color:#b5c6cd;font-weight:400}.landing-section{max-width:1200px;padding:88px 32px;margin:auto}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:35px}main h2{font-size:36px;line-height:1.35}main p{color:var(--muted)}.section-heading>p{font-size:14px;line-height:1.9}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--border);border-radius:16px;background:#fff;overflow:hidden}.feature-grid article{padding:30px}.feature-grid article+article{border-left:1px solid var(--border)}.feature-number{font:10px monospace;color:#6b8797;letter-spacing:.08em}.feature-symbol{font:28px monospace;color:var(--primary);margin:30px 0 18px}.feature-grid h3{font-size:20px;margin-bottom:14px}.feature-grid p{font-size:13px;line-height:1.95;margin-bottom:26px}.feature-grid a{font-size:12px;font-weight:600}.developer-section{background:#122c3e;color:#fff;padding:66px max(32px,calc((100vw - 1136px)/2));display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:center}.developer-section .eyebrow{color:#6cceba}.developer-section p{color:#a4bdc9;line-height:1.9;font-size:14px;margin:22px 0 28px}.developer-section .btn{background:#b9edce;color:#163e37}.code-preview{min-width:0;border:1px solid #365264;border-radius:12px;background:#0c2232;overflow:hidden}.code-toolbar{padding:14px 18px;border-bottom:1px solid #2c4758;display:flex;justify-content:space-between;font:11px monospace;color:#95afbc}.code-toolbar span{color:#496473}.code-toolbar b{font-weight:400}.code-preview pre{background:none;font-size:12px;padding:26px;color:#d2e2ea;line-height:1.9;white-space:pre;word-break:normal;border-radius:0}.syntax-purple{color:#bdb2ef}.syntax-green{color:#8fdcc7}.code-note{font-size:10px;color:#85a5b5;border-top:1px solid #2c4758;padding:14px 20px}.pricing-section{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.pricing-section p{font-size:14px;line-height:2;margin-top:24px}.pricing-card{border:1px solid #bfd5d3;border-radius:16px;padding:32px;background:#fff;box-shadow:0 12px 35px #15394906}.price-caption{font-size:13px;color:var(--muted)}.big-price{font-size:70px;font-weight:700;letter-spacing:-.06em;line-height:1.4}.big-price small{font-size:28px;vertical-align:top;display:inline-block;padding-top:18px;margin-right:8px}.big-price>span{font-size:15px;letter-spacing:0;color:var(--muted);font-weight:400;margin-left:14px}.price-divider{border-top:1px solid var(--border);margin:14px 0 24px}.pricing-card ul{list-style:none;font-size:13px;line-height:2.7;margin-bottom:25px;color:#506879}.pricing-card li:before{content:'✓';margin-right:12px;color:var(--primary)}.start-section{max-width:1136px;margin:0 auto 70px;border-radius:16px;background:#e6f0ec;text-align:center;padding:55px 25px}.start-section .eyebrow{margin-bottom:12px}.start-section p{margin:14px 0 26px;font-size:14px}.text-link{margin-left:25px;font-size:13px}.page-intro{max-width:1180px;margin:0 auto;padding:44px 28px 0}.page-intro .eyebrow{margin-bottom:10px}.page-intro h1{font-size:32px}.page-intro p{margin-top:10px;color:var(--muted);font-size:14px}.page-docs>.container{max-width:1124px!important}.page-auth{background:radial-gradient(ellipse at 20% 35%,#d9eee8,transparent 55%),#f1f6f7}.page-auth>.container{max-width:480px!important;margin:55px auto 20px}.auth-card{padding:38px;box-shadow:0 18px 70px #163c4c10}.auth-card h2{text-align:left;font-size:28px;margin-bottom:28px}.auth-card .eyebrow{font-size:10px}.page-admin>.container{max-width:1200px!important;padding:36px 30px}.page-admin>.container>.flex:first-child{padding:0 0 20px;border-bottom:1px solid var(--border)}.page-admin .admin-nav{padding:14px!important;background:#132e40;border-radius:12px;border:0!important;gap:7px!important;margin:20px 0 28px!important}.page-admin .admin-nav a{color:#bbd0dd!important;padding:10px 16px!important;min-height:42px}.page-admin .admin-nav a.active{background:#c4eddd!important;color:#143b35!important}.page-admin .admin-nav a:hover{background:#264758}.page-admin h2{font-size:24px!important}.page-admin .stat-grid{margin-top:24px}form{max-width:100%}pre{max-width:100%}.password-wrap{position:relative}.password-wrap input{padding-right:72px}.password-toggle{position:absolute;right:5px;top:3px;background:transparent;border:0;color:var(--primary);font-size:12px;min-height:40px;padding:0 10px}.copy-code{display:block;margin:8px 0 8px auto;background:#edf6f4;color:#087675;border:1px solid #cde0dc;border-radius:6px;padding:5px 12px;font-size:12px;min-height:34px}.skip-link{position:fixed;top:-100px;left:12px;z-index:200;background:#fff;padding:12px}.skip-link:focus{top:10px}
@media(max-width:1050px){.landing-hero{gap:35px;padding:65px 28px}.carrier-strip{margin-inline:28px;flex-wrap:wrap;justify-content:center}.developer-section{gap:35px}.pricing-section{gap:50px}.hero-facts{gap:12px}}
@media(max-width:720px){.nav-inner{height:auto;min-height:72px;padding:16px 20px;gap:16px;flex-wrap:wrap}.brand{font-size:19px}.nav-links{gap:14px;font-size:12px;flex-wrap:wrap}.nav-links .btn{font-size:12px;min-height:36px;padding:8px 12px}.landing-hero{grid-template-columns:1fr;padding:46px 24px 52px;gap:38px}.hero-copy h1{font-size:42px}.lead{font-size:15px}.tracking-preview{transform:none;max-width:480px;width:100%;justify-self:center;box-shadow:8px 10px 0 #e4eeed}.hero-facts{gap:16px;flex-wrap:wrap}.carrier-strip{margin:0 24px;padding:24px 0;gap:14px}.carrier-strip>div{font-size:13px;gap:10px;justify-content:center}.landing-section{padding:52px 24px}.section-heading{display:block}.section-heading>p{margin-top:18px}.feature-grid{grid-template-columns:1fr}.feature-grid article{padding:25px}.feature-grid article+article{border-left:0;border-top:1px solid var(--border)}.feature-symbol{margin:18px 0 12px}.feature-grid p{margin-bottom:15px}.developer-section{grid-template-columns:1fr;padding:45px 24px;gap:30px}main h2{font-size:29px}.code-preview pre{padding:20px 16px;font-size:10px}.pricing-section{grid-template-columns:1fr;gap:28px}.pricing-card{padding:26px}.start-section{margin:0 24px 40px;padding:38px 20px}.container,.page-admin>.container{padding:24px 16px}.card{padding:20px}.page-intro{padding:30px 20px 0}.page-intro h1{font-size:27px}.page-intro p{font-size:12px}.page-auth>.container{margin:25px auto 10px}.auth-card{padding:28px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.stat{padding:17px}.stat .val{font-size:26px}.page-admin .admin-nav{gap:4px!important;padding:8px!important}.page-admin .admin-nav a{font-size:12px!important;padding:8px 10px!important}.page-admin h2{font-size:21px!important}.table-wrap table{min-width:560px}.footer{font-size:11px}.amount-grid{gap:7px}.key-box{padding:12px}.page-docs .card>table{font-size:11px}.page-docs .card>table td,.page-docs .card>table th{padding:10px 7px}}
@media(max-width:380px){.nav-inner{padding:14px 16px}.nav-links{gap:9px}.brand{font-size:17px}.brand .logo{width:30px;height:30px;font-size:17px}.hero-copy h1{font-size:34px}.landing-hero{padding-inline:20px}.hero-actions .btn{padding:12px 15px;font-size:12px}.hero-facts{font-size:10px;gap:10px}.preview-head{padding:18px}.preview-head small{font-size:8px}.preview-foot{padding:12px;font-size:9px}.landing-section{padding-inline:20px}.page-auth .auth-card{padding:22px}.text-link{margin-left:14px}.code-toolbar{font-size:10px}.big-price{font-size:60px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}