:root{color-scheme:light;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#222936;background:#f5f7fa;font-synthesis:none}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 48% -25%,#dceaff 0,transparent 65%),linear-gradient(#f0f6ff,#f5f7fa 78%)}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a{color:#1282e9;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #99ccff;outline-offset:4px}input:focus,textarea:focus{outline:3px solid #e6f2ff;border-color:#1688f4}input,textarea{width:100%;border:1px solid #dce3ee;border-radius:10px;background:#fff;color:#263447;padding:17px 19px;transition:border-color .15s}input::placeholder,textarea::placeholder{color:#8a97aa;letter-spacing:0}textarea{resize:vertical;min-height:150px;font-size:13px;line-height:1.65;overflow-wrap:anywhere}.page-shell{width:100%;max-width:1100px;margin:auto;padding:25px 26px 52px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:12px;line-height:1.7;color:#8390a3}.topbar a{color:#6e7e94;white-space:nowrap}.service-status:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:7px;background:#a3b0bf;vertical-align:middle}.service-status[data-state="open"]:before{background:#2bb39b}.site-hero{text-align:center;margin:44px 0 43px}.site-hero h1{margin:0;font-size:clamp(32px,4.5vw,54px);line-height:1.35;font-weight:800;letter-spacing:1px;color:#1284ed}.site-hero>p{font-size:15px;line-height:1.8;color:#798598;margin:15px 0 19px}.feature-badges{display:flex;justify-content:center;gap:11px}.feature-badges span{border:1px solid #e0e9f5;border-radius:30px;background:#ffffffcf;padding:9px 15px;font-size:12px;font-weight:600;color:#6d7e96}.recharge-card{background:#fff;border:1px solid #e9edf3;border-radius:27px;padding:34px 38px 27px;box-shadow:0 19px 44px -15px #24334f36}.card-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.eyebrow{margin:0 0 7px;color:#8790a0;font-size:13px}.card-head h2{font-size:29px;line-height:1.4;margin:0;letter-spacing:-.5px}.flow-badge{font-size:12px;color:#7b8798;white-space:nowrap;border:1px solid #e0e6ee;border-radius:30px;padding:10px 13px}.flow-badge[data-state="succeeded"]{color:#168f79;background:#effaf6;border-color:#d7f0e6}.flow-badge[data-state="failed"]{color:#ae6337;background:#fff7f0;border-color:#f9e7d8}.service-note{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fafcff;border:1px solid #e7edf5;border-radius:15px;padding:13px 16px;margin-bottom:24px}.service-note p{margin:0;font-size:12px;color:#7c899c;line-height:1.8}.toolbar{display:flex;gap:14px;flex-shrink:0}.toolbar button{border:0;background:none;padding:3px 0;color:#1486ed;font-size:12px;font-weight:600;white-space:nowrap}.toolbar button:hover{color:#006ad0}.stepper{display:flex;list-style:none;margin:0 0 24px;padding:0;gap:34px;color:#9aa5b5;font-size:12px}.stepper li{display:flex;align-items:center;gap:8px}.stepper li>span{display:inline-grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#f0f3f8;font-size:12px;font-weight:600;flex-shrink:0}.stepper li.active{color:#287dd1;font-weight:600}.stepper li.active>span{color:white;background:#1687ee}.field-label{display:block;font-size:15px;font-weight:650;margin-bottom:12px}.code-form{display:flex;align-items:stretch;gap:14px}.code-form input{min-width:0;min-height:57px;font-family:ui-monospace,Consolas,monospace;font-size:16px;letter-spacing:1px}.btn-primary,.btn-secondary{border-radius:10px;padding:16px 25px;font-size:15px;font-weight:650;white-space:nowrap;border:1px solid transparent;transition:background .15s}.btn-primary{color:#fff;background:#1186ee;box-shadow:0 9px 22px -8px #1284ed77}.btn-primary:hover:not(:disabled){background:#0777da}.code-form .btn-primary{min-width:180px}.btn-secondary{color:#516176;background:#fff;border-color:#dce3ed}.btn-secondary:hover{background:#f6f9fd}.field-hint{font-size:12px;line-height:1.9;color:#8996a9;margin:11px 0 0}.field-hint:empty{display:none}.summary,.account-confirm{display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid #dfecfb;background:#f6faff;border-radius:12px;padding:16px 19px;margin-bottom:24px;font-size:13px;color:#7a889b}.summary strong{color:#247dcc;font-size:16px}.account-confirm{margin:20px 0 17px;background:#fafcff;border-color:#e6ecf4}.account-confirm strong{color:#3e5068;overflow-wrap:anywhere;min-width:0}.field-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.field-heading a{font-size:12px;white-space:nowrap}.consent{display:flex;align-items:flex-start;gap:10px;font-size:12px;line-height:1.8;color:#738299;margin:18px 0 24px}.consent input{width:16px;height:16px;flex-shrink:0;margin:3px 0 0;accent-color:#1687ee}.actions{display:flex;gap:12px}.actions .btn-primary{min-width:180px}#message{margin:17px 0 0;color:#b46236;font-size:13px;line-height:1.8;overflow-wrap:anywhere}#message:empty{display:none}#result{text-align:center}.result-icon{display:grid;place-items:center;width:54px;height:54px;margin:8px auto 15px;background:#edf6ff;border-radius:50%;color:#1687ee;font-size:29px}#result[data-state="succeeded"] .result-icon{background:#edf9f4;color:#219e83}#result[data-state="failed"] .result-icon{background:#fff3e8;color:#bc7343}#result h3{font-size:23px;margin:0 0 12px}#resultDescription{font-size:13px;line-height:1.9;color:#76869c;max-width:620px;margin:0 auto 18px}#resultDetails{display:grid;grid-template-columns:95px minmax(0,1fr);row-gap:13px;text-align:left;padding:21px 23px;background:#f8fafd;border:1px solid #e9eef6;border-radius:12px;font-size:13px;line-height:1.8;margin:23px 0}#resultDetails dt{color:#8694a9}#resultDetails dd{margin:0;color:#4d607a;overflow-wrap:anywhere}#againBtn{margin-top:20px}.help-area{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin:26px 16px 0;color:#8a97a8;font-size:12px;line-height:1.9}.help-area summary{cursor:pointer;font-weight:500}.help-area p{margin:10px 0 0;color:#7c8a9f}
@media(max-width:680px){.page-shell{padding:18px 16px 35px}.topbar{font-size:10px;gap:10px}.site-hero{margin:33px 0 29px}.site-hero h1{font-size:32px}.site-hero h1>span:last-child{display:block}.hero-dot{display:none}.site-hero>p{font-size:12px;max-width:265px;margin:13px auto 17px}.feature-badges{gap:7px}.feature-badges span{font-size:10px;padding:7px 11px}.recharge-card{padding:23px 20px;border-radius:21px}.card-head{gap:8px;margin-bottom:19px}.card-head h2{font-size:24px}.eyebrow{font-size:11px}.flow-badge{font-size:10px;padding:8px 10px}.service-note{align-items:flex-start;gap:10px;padding:12px;flex-direction:column;margin-bottom:20px}.service-note p{font-size:11px}.toolbar{gap:18px}.stepper{gap:0;justify-content:space-between;font-size:10px;margin-bottom:22px}.stepper li{gap:5px}.stepper li>span{width:20px;height:20px;font-size:10px}.field-label{font-size:14px}.code-form{flex-direction:column;gap:12px}.code-form input{font-size:14px;min-height:53px;padding:15px 12px}.btn-primary,.btn-secondary{font-size:14px;padding:14px 18px}.field-hint{font-size:11px}.summary,.account-confirm{padding:13px 12px;align-items:flex-start;flex-direction:column;gap:7px;font-size:12px}.summary strong{font-size:15px}.field-heading{flex-direction:column;gap:0;margin-bottom:12px}.field-heading .field-label{margin-bottom:8px}.actions{flex-direction:column}.help-area{grid-template-columns:1fr;gap:13px;margin:24px 12px 0;font-size:11px}#resultDetails{padding:16px 12px;grid-template-columns:70px minmax(0,1fr);font-size:11px}#result h3{font-size:21px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}