:root{font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:#1b2f53;background:#f5f7fb}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.wrap{width:min(1080px,calc(100% - 40px));margin-inline:auto}
.top-stripe{height:5px;background:linear-gradient(90deg,#1f54d5,#4d8cff 65%,#88d9fa)}
.site-header{min-height:80px;display:flex;justify-content:space-between;align-items:center}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:750;color:#183560}
.brand-mark{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(135deg,#3371fc,#7393ff);color:#fff;font-weight:850;font-size:21px}
.brand small{font-size:12px;font-weight:500;color:#92a1b6;margin-left:8px}
.header-badge{border:1px solid #d9e3f1;border-radius:100px;background:#fff;color:#7184a1;padding:8px 13px;font-size:11px;font-weight:650}
.header-badge i{display:inline-block;width:6px;height:6px;background:#40c8a0;border-radius:50%;margin-right:5px;vertical-align:2px}
.breadcrumb{font-size:12px;color:#97a6ba;margin:14px 0 20px}
.breadcrumb span{padding:0 8px;color:#c4cedb}
.app-panel{display:grid;grid-template-columns:minmax(0,1fr) 265px;background:#fff;border:1px solid #e8edf5;border-radius:18px;box-shadow:0 16px 46px #1535680b;overflow:hidden}
.app-details{padding:45px 45px 48px}
.app-identity{display:flex;align-items:center;gap:22px}
.app-icon{border-radius:22px;box-shadow:0 12px 25px #3574e543;flex:none}
.eyebrow{color:#6685bd;letter-spacing:.16em;font-size:10px;font-weight:800}
.eyebrow span{padding:0 5px}
h1{font-size:35px;line-height:1.2;margin:10px 0 4px;letter-spacing:-.04em;color:#152f5b}
.app-identity p{margin:0;color:#8c9fb7;font-size:13px}
.app-intro{font-size:14px;color:#637b9a;line-height:1.8;margin:26px 0 30px}
.meta-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid #edf1f6;padding:19px 0;margin-bottom:28px}
.meta-row div{display:grid;gap:6px;padding-left:20px;border-left:1px solid #ebeff5}
.meta-row div:first-child{padding-left:0;border-left:0}
.meta-row span{color:#9aaac0;font-size:11px}
.meta-row strong{color:#345078;font-size:12px;font-weight:700}
.primary-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.button{min-height:70px;border-radius:10px;display:flex;align-items:center;gap:12px;padding:12px 15px;transition:transform .18s,box-shadow .18s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:#316bf0;color:#fff;box-shadow:0 10px 22px #2361e537}
.button-secondary{background:#f5f8fe;color:#315bb0;border:1px solid #dce7f9}
.button-symbol{font-size:23px;line-height:1;min-width:22px;text-align:center}
.button>span:nth-child(2){display:grid;gap:5px;font-size:13px;font-weight:750;white-space:nowrap}
.button small{font-size:10px;font-weight:450;opacity:.8;white-space:normal}
.button-arrow{margin-left:auto;font-size:17px;color:inherit}
.scan-panel{background:linear-gradient(160deg,#f9fbff,#eef4ff);border-left:1px solid #ebf0f8;padding:35px 22px 25px;text-align:center;display:flex;flex-direction:column;align-items:center}
.scan-top{color:#4d6a96;font-size:13px;font-weight:750;align-self:flex-start;display:flex;align-items:center;gap:8px}
.scan-decor{font-size:20px;color:#3972e5}
.qr-frame{width:180px;height:180px;background:#fff;border:1px solid #e1e8f3;border-radius:13px;padding:15px;margin:24px 0 9px;display:grid;place-items:center;box-shadow:0 6px 18px #1757b310}
.qr-frame svg{width:100%;height:100%}
.scan-panel p{line-height:1.8;font-size:12px;color:#8194ae;margin:9px 0 21px}
.page-address{background:#fff;color:#8b9db6;border:1px solid #dce6f4;border-radius:8px;padding:9px 16px;font-size:10px;display:grid;gap:3px;max-width:100%;overflow-wrap:anywhere}
.page-address strong{color:#3c65b0;font-size:12px}
.section-title{display:flex;justify-content:space-between;align-items:end;margin:46px 0 18px}
.section-title>div,.version-panel>div{display:flex;align-items:center;gap:10px}
.label-line{width:4px;height:21px;border-radius:2px;background:#3374f7}
h2{font-size:22px;line-height:1.4;letter-spacing:-.03em;color:#233d64;margin:0}
.section-title p{color:#94a5bc;font-size:12px;margin:0 0 3px}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.guide-card{background:#fff;border:1px solid #e8edf5;border-radius:15px;padding:27px 28px 24px;box-shadow:0 9px 30px #15356807}
.guide-card.device-match{border-color:#6594f6;box-shadow:0 10px 30px #3971e520}
.guide-head{display:flex;align-items:center;gap:12px}
.guide-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;font-size:27px}
.android-icon{background:#e9f7ee;color:#44a46b}
.ios-icon{background:#edf2fd;color:#5779d4;font-size:19px}
.guide-kicker{font-size:9px;color:#a1b1c7;font-weight:800;letter-spacing:.18em}
h3{font-size:19px;color:#24416b;margin:2px 0 0}
.guide-state{border-radius:100px;background:#ebf7ee;color:#399464;padding:6px 10px;font-size:10px;font-weight:750;margin-left:auto;white-space:nowrap}
.guide-state.ios-state{background:#edf2fd;color:#5877cb}
.guide-steps{list-style:none;margin:25px 0 21px;padding:0;display:grid;gap:15px}
.guide-steps li{display:flex;gap:15px;align-items:baseline;font-size:13px;line-height:1.7;color:#58718f}
.guide-steps b{font-size:11px;color:#78a0e8;letter-spacing:.05em}
.guide-steps a{color:#326fe4;text-decoration:underline;text-underline-offset:3px}
.guide-foot{border-top:1px solid #edf1f6;padding-top:17px;font-size:11px;line-height:1.65;color:#9aaac0}
.version-panel{margin-top:18px;background:#fff;border:1px solid #e8edf5;border-radius:15px;padding:26px 28px}
.version-panel dl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:22px 0 0}
.version-panel dl>div{padding-left:22px;border-left:1px solid #e8edf5}
.version-panel dl>div:first-child{padding-left:0;border-left:0}
.version-panel dt{font-size:11px;color:#98a8bc;margin-bottom:7px}
.version-panel dd{font-size:12px;font-weight:650;color:#3c587b;margin:0;line-height:1.5;overflow-wrap:anywhere}
.support-strip{background:#eaf1fe;display:flex;justify-content:space-between;align-items:center;gap:20px;border-radius:13px;margin:20px 0 65px;padding:23px 28px}
.support-strip strong{font-size:14px;color:#315489}
.support-strip p{font-size:12px;color:#829bbb;margin:6px 0 0}
.support-strip a{border-radius:7px;padding:10px 15px;background:#fff;color:#3262bb;font-size:12px;font-weight:750;white-space:nowrap}
footer{border-top:1px solid #e3e8f1;color:#9caabd;font-size:11px}
footer .wrap{min-height:70px;display:flex;justify-content:space-between;align-items:center;gap:18px}
:focus-visible{outline:3px solid #7fa8fc;outline-offset:3px}
@media(max-width:900px){.app-panel{grid-template-columns:1fr}.scan-panel{border-left:0;border-top:1px solid #ebf0f8}.scan-top{align-self:center}.scan-panel{padding:25px}.qr-frame{margin:15px 0 5px}.version-panel dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.version-panel dl>div:nth-child(3){padding-left:0;border-left:0}}
@media(max-width:640px){.wrap{width:min(100% - 28px,460px)}.site-header{min-height:68px}.brand{font-size:14px}.brand small{font-size:11px;margin-left:3px}.header-badge{font-size:10px;padding:7px 9px}.breadcrumb{margin:9px 0 15px}.app-details{padding:28px 22px 26px}.app-identity{gap:15px}.app-icon{width:74px;height:74px;border-radius:17px}h1{font-size:27px;margin:6px 0 4px}.eyebrow{font-size:8px}.app-identity p{font-size:11px}.app-intro{font-size:13px;margin:23px 0}.meta-row{padding:15px 0;margin-bottom:20px}.meta-row div{padding-left:10px}.meta-row strong{font-size:10px}.primary-actions{grid-template-columns:1fr}.button{min-height:62px}.scan-panel{padding:25px}.section-title{margin-top:35px}.section-title p{display:none}.guide-grid{grid-template-columns:1fr;gap:13px}.guide-card{padding:23px 20px}.version-panel{padding:23px 20px}.version-panel dl{gap:17px 5px}.version-panel dl>div{padding-left:12px}.support-strip{align-items:start;flex-direction:column;margin-bottom:45px;padding:20px}footer .wrap{min-height:75px;flex-direction:column;align-items:start;justify-content:center;gap:6px}}