:root {
  --bg:#f7fafc;
  --card:#fff;
  --border:#d8e1ea;
  --border-soft:#e8eef4;
  --text:#17202a;
  --muted:#66788c;
  --accent:#2563eb;
  --accent-dark:#1d4ed8;
  --shadow:0 18px 48px rgba(20,35,55,.08);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased;position:relative}
button,input,textarea{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
.page-width{max-width:960px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.background-grid{position:fixed;inset:0;background-image:linear-gradient(rgba(22,32,42,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(22,32,42,.045) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(ellipse at top,#000 0%,transparent 70%);pointer-events:none;z-index:-2}
.background-glow{position:fixed;top:-20vh;left:50%;width:120vw;height:70vh;transform:translateX(-50%);background:radial-gradient(ellipse at center,rgba(37,99,235,.12) 0%,transparent 62%);filter:blur(40px);pointer-events:none;z-index:-1}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.84);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border-soft)}
.header-inner{display:flex;justify-content:space-between;align-items:center;min-height:73px;gap:20px}
.product-switch{display:inline-flex;padding:4px;background:rgba(240,245,248,.88);border:1px solid var(--border-soft);border-radius:12px}
.product-active{min-width:108px;min-height:40px;padding:0 17px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;color:#fff;font-size:14px;font-weight:750;background:linear-gradient(180deg,var(--accent),var(--accent-dark));box-shadow:0 5px 14px rgba(37,99,235,.2)}
.product-dot{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.16)}
.language-active{padding:8px 11px;background:var(--accent);color:#fff;border-radius:4px;font-weight:700;font-size:13px;box-shadow:0 6px 16px rgba(37,99,235,.18)}
.hero{text-align:center;padding:54px 0 28px}
.hero h1{margin:0;font-size:42px;line-height:1.25;letter-spacing:-.04em;font-weight:800}
.hero h1 span{color:var(--accent)}
.hero p{margin:14px auto 0;color:#5e6976;font-size:16px}
.feature-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:6px;background:#fff;border:1px solid var(--border-soft);border-radius:10px;box-shadow:0 6px 20px rgba(20,35,55,.035);margin-bottom:18px}
.feature-tab{border:0;background:transparent;color:#344256;min-height:38px;font-size:14px;font-weight:700;border-radius:5px}
.feature-tab+.feature-tab{border-left:1px solid #edf0f4}
.feature-tab.active{background:var(--accent);color:#fff;box-shadow:0 6px 15px rgba(37,99,235,.18);border-left-color:transparent}
.feature-tab:hover:not(.active){background:#f3f7fc}
.stepper{display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border:1px solid var(--border-soft);border-radius:10px;box-shadow:0 6px 20px rgba(20,35,55,.035);overflow:hidden;margin-bottom:32px}
.login-step{text-align:center;padding-top:36px;padding-bottom:32px}
.login-step-icon{width:56px;height:56px;display:grid;place-items:center;margin:0 auto 15px;border-radius:17px;background:#eaf2ff;color:#2563eb;font-size:28px;font-weight:700}
.login-step h3{font-size:19px;margin:0 0 7px}
.login-step p{max-width:500px;margin:0 auto 22px;color:#66788c;font-size:14px;line-height:1.7}
.login-step .actions{margin-top:31px;padding-top:20px;border-top:1px solid var(--border-soft)}
.step{min-height:48px;display:flex;align-items:center;gap:10px;padding:0 16px;border-right:1px solid var(--border-soft);font-size:13px;color:#7b8999;font-weight:700}
.step:last-child{border-right:0}
.step small{font-size:10px;font-weight:750;color:#9aa7b5}
.step.active{color:var(--accent);background:#f5f8ff}
.step.active small{color:var(--accent)}
.step.complete{color:#347867}
.step.complete small{color:#347867}
.card{background:var(--card);border:1px solid var(--border-soft);border-radius:11px;box-shadow:var(--shadow);overflow:hidden}
.card-heading{padding:24px 27px 16px;border-bottom:1px solid #e9edf2}
.card-heading h2{margin:0;font-size:18px;line-height:1.35;font-weight:750}
.card-heading p{margin:6px 0 0;color:#5f6b78;font-size:14px}
.card-body{padding:26px 27px}
label{display:block;font-size:13px;font-weight:650;color:#344256;margin-bottom:8px}
input[type=text],textarea{display:block;width:100%;border:1px solid #d2dce6;border-radius:6px;background:#f8fbff;color:var(--text);outline:none;padding:13px 15px;transition:border-color .15s,box-shadow .15s}
input[type=text]{height:46px}
textarea{resize:vertical;min-height:120px}
input[type=text]:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
input::placeholder,textarea::placeholder{color:#8090a1}
.field-hint{font-size:12px;color:var(--muted);margin:7px 0 20px}
.notice{border:1px solid #ecdba9;border-radius:6px;background:#fffaeb;padding:15px 16px;margin:20px 0 16px;color:#56616e;font-size:13px}
.notice strong{color:#b7791f}
.notice ul{padding-left:22px;margin:9px 0 0}
.notice li+li{margin-top:4px}
.notice-danger{border-color:#f1c1c1;background:#fff5f5}
.notice-danger strong{color:#c03131}
.notice-danger p{margin:7px 0 0}
.primary-button,.secondary-button{min-height:44px;border-radius:6px;padding:10px 20px;border:1px solid transparent;font-weight:700;font-size:14px;transition:background .15s,transform .15s,box-shadow .15s}
.primary-button{background:var(--accent);color:#fff;box-shadow:0 5px 12px rgba(37,99,235,.16)}
.primary-button:hover:not(:disabled){background:var(--accent-dark);transform:translateY(-1px)}
.primary-button:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
.secondary-button{background:#fff;color:#445366;border-color:var(--border)}
.secondary-button:hover{background:#f4f7fb}
.primary-button span{margin-left:4px}
.full-width{width:100%}
.actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.actions.right{justify-content:flex-end}
.summary-row{display:flex;align-items:center;gap:12px;padding:15px 16px;border:1px solid var(--border);border-radius:6px;background:#f8fbff;margin-bottom:11px;flex-wrap:wrap;font-size:13px}
.summary-row span{color:#66788c;min-width:80px}
.summary-row strong{font-size:14px}
.summary-row em{font-style:normal;background:#fff;border:1px solid var(--border);border-radius:4px;padding:4px 8px;margin-left:auto;font-weight:700}
.mono{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;overflow-wrap:anywhere}
.session-guide{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:20px 0 22px;padding:20px 22px;border:1px solid #bfd4fb;border-radius:12px;background:linear-gradient(110deg,#f0f6ff,#f8fbff);box-shadow:0 6px 20px rgba(37,99,235,.06)}
.session-guide-copy{display:flex;flex-direction:column;gap:4px;min-width:0}
.session-guide-step{color:#245ed5;font-size:11px;font-weight:800;letter-spacing:.08em}
.session-guide-copy strong{color:#20334d;font-size:16px}
.session-guide-copy>span:last-child{color:#66788c;font-size:13px}
.session-open-link{display:inline-flex;align-items:center;justify-content:center;gap:10px;flex:none;min-height:48px;padding:10px 18px;border-radius:9px;background:#2563eb;color:#fff;text-decoration:none;font-size:14px;font-weight:750;box-shadow:0 7px 17px rgba(37,99,235,.21);transition:background .15s,transform .15s,box-shadow .15s}
.session-open-link span{display:grid;place-items:center;width:24px;height:24px;border-radius:6px;background:rgba(255,255,255,.17);font-size:17px}
.session-open-link:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 10px 21px rgba(37,99,235,.25)}
.session-open-link:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}
.guide-list a{color:var(--accent);text-decoration:none;font-weight:700;font-size:13px}
.guide-list a:hover{text-decoration:underline}
#cookie-field{margin-top:20px}
.confirm-grid{border:1px solid var(--border);border-radius:7px;overflow:hidden}
.confirm-grid>div{display:grid;grid-template-columns:140px minmax(0,1fr);gap:14px;padding:14px 16px;font-size:14px}
.confirm-grid>div+div{border-top:1px solid var(--border-soft)}
.confirm-grid span{color:var(--muted)}
.check-row{display:flex;align-items:flex-start;gap:9px;font-size:14px;cursor:pointer;margin:18px 0 0}
.check-row input{margin-top:4px;accent-color:var(--accent)}
.status-badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 11px;font-size:13px;font-weight:700;background:#edf4ff;color:#245ed5}
.status-badge.success{background:#e3f6ee;color:#187d56}
.status-badge.failed{background:#fdecec;color:#c03131}
.progress-log{margin-top:18px;min-height:100px;padding:15px;border:1px solid var(--border-soft);border-radius:7px;background:#f8fbff;color:#4c5b6b;font:13px/1.7 ui-monospace,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}
.progress-log div+div{margin-top:5px}
.query-panel,.query-result-panel{border-radius:18px;box-shadow:0 24px 60px rgba(26,50,83,.075)}
.query-heading{display:flex;align-items:center;gap:19px;padding:30px 32px 26px;border-bottom:1px solid #edf1f6;background:linear-gradient(110deg,#fff 50%,#f5f9ff 100%)}
.query-heading-icon{width:58px;height:58px;flex:none;border-radius:17px;display:grid;place-items:center;background:#ebf3ff;box-shadow:inset 0 0 0 1px #d9e7ff}
.query-heading-icon span{width:24px;height:24px;border:3px solid #2869d9;border-radius:50%;position:relative;transform:translate(-2px,-2px)}
.query-heading-icon span:after{content:"";position:absolute;width:12px;height:3px;background:#2869d9;border-radius:3px;right:-10px;bottom:-6px;transform:rotate(45deg)}
.query-eyebrow{margin:0 0 5px;color:#477cce;font:800 10px/1.2 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:.17em}
.query-heading h2,.query-result-header h2{font-size:21px;line-height:1.3;letter-spacing:-.025em;margin:0}
.query-heading p:last-child,.query-result-header p:last-child{font-size:13px;color:#65768b;margin:6px 0 0}
.query-form{padding:28px 32px 30px}
.query-label-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.query-label-row label{font-size:13px;margin:0}
.query-label-row span{font-size:12px;font-weight:750;color:#8798ab;font-variant-numeric:tabular-nums}
.query-label-row span.over-limit{color:#c03838}
.query-input-shell{padding:5px;border:1px solid #d9e4f1;border-radius:11px;background:#f8fbff;transition:border-color .15s,box-shadow .15s}
.query-input-shell:focus-within{border-color:#4b85eb;box-shadow:0 0 0 4px #e9f1ff}
.query-input-shell textarea{border:0;box-shadow:none!important;background:transparent;min-height:154px;max-height:320px;padding:13px 15px;font:14px/1.75 ui-monospace,"SFMono-Regular",Consolas,monospace}
.query-form-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px}
.query-form-footer p{margin:0;color:#708095;font-size:12px}
.query-submit{min-width:168px;min-height:46px;border-radius:9px}
.query-result-panel{margin-top:24px;scroll-margin-top:94px}
.query-result-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:27px 32px 23px}
.query-result-total{min-width:92px;padding:10px 13px;border-radius:11px;background:#eef5ff;color:#2360c8;text-align:center;display:flex;flex-direction:column;align-items:center}
.query-result-total strong{font-size:23px;line-height:1.1;font-variant-numeric:tabular-nums}
.query-result-total span{font-size:10px;font-weight:750;margin-top:3px}
.query-filters{display:flex;gap:9px;padding:0 32px 20px;overflow-x:auto;scrollbar-width:thin}
.query-filter{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;border:1px solid #e1e9f2;border-radius:999px;background:#f8fafc;color:#596c82;padding:7px 11px;font-size:12px;font-weight:700;transition:background .15s,border-color .15s,color .15s}
.query-filter strong{font-size:11px;font-weight:800;min-width:20px;padding:2px 5px;border-radius:999px;background:#e9eff5;text-align:center;font-variant-numeric:tabular-nums}
.query-filter:hover{border-color:#b9d1fb;background:#f0f6ff}
.query-filter.active{background:#eaf2ff;border-color:#a5c5ff;color:#195ac5}
.query-filter.active strong{background:#d5e5ff}
.query-results{padding:0 32px 32px;display:grid;gap:12px}
.query-item{padding:17px 19px 16px;border:1px solid #e4ebf3;border-radius:12px;background:linear-gradient(180deg,#fff,#fcfdff);box-shadow:0 5px 18px rgba(25,49,78,.035)}
.query-item-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.query-item-identity{display:flex;align-items:center;gap:12px;min-width:0}
.query-item-mark{width:31px;height:31px;flex:none;border-radius:9px;background:#eef2f7;position:relative}
.query-item-mark:after{content:"";position:absolute;inset:11px;border-radius:50%;background:#8b9aac}
.query-item-mark-used{background:#e5f5ee}.query-item-mark-used:after{background:#31a472}
.query-item-mark-processing{background:#e8f1ff}.query-item-mark-processing:after{background:#3a7ee7}
.query-item-mark-unused{background:#edf7f4}.query-item-mark-unused:after{background:#64a58e}
.query-item-mark-failed,.query-item-mark-invalid{background:#fff0ed}.query-item-mark-failed:after,.query-item-mark-invalid:after{background:#d47463}
.query-item-code{font-size:14px;line-height:1.5;letter-spacing:.015em;overflow-wrap:anywhere}
.query-badge{flex:none;padding:6px 10px;border-radius:999px;background:#eef2f7;color:#64778a;font-size:12px;font-weight:750}
.query-badge.used{color:#187d56;background:#e3f6ee}.query-badge.processing{color:#245ed5;background:#edf4ff}
.query-badge.unused{color:#327864;background:#e8f5ee}.query-badge.failed,.query-badge.invalid{color:#b25143;background:#fff0ed}
.query-item-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;margin:14px 0 0;padding:13px 0 0;border-top:1px solid #edf1f5}
.query-item-details>div{display:flex;gap:12px;min-width:0;font-size:12px;line-height:1.5}
.query-item-details dt{color:#8491a1;flex:none}.query-item-details dd{margin:0;color:#34465a;font-weight:650;overflow-wrap:anywhere}
.query-item-error{margin:13px 0 0;padding:10px 12px;color:#a45042;background:#fff6f3;border-radius:8px;font-size:12px}
.query-empty{padding:30px 15px;text-align:center;color:#77889a;font-size:13px;background:#fafcff;border-radius:10px;border:1px dashed #dce6f2}
.guide-list>div{display:flex;gap:18px;padding:10px 0}
.guide-list>div+div{border-top:1px solid var(--border-soft);padding-top:20px;margin-top:10px}
.guide-number{flex:none;color:var(--accent);background:#edf4ff;border-radius:8px;padding:7px 10px;font-size:12px;font-weight:800;height:fit-content}
.guide-list h3{margin:0 0 5px;font-size:15px}
.guide-list p{margin:0;color:#5f6b78;font-size:14px}
.site-footer{text-align:center;color:#8290a0;font-size:12px;padding-top:38px;padding-bottom:28px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:min(92vw,560px);padding:11px 16px;border-radius:7px;background:#1d2734;color:#fff;box-shadow:0 12px 32px rgba(20,35,55,.22);z-index:20;font-size:14px;text-align:center}
.toast.error{background:#a62c2c}
.home-link{text-decoration:none}
.flow-page{max-width:900px}
.flow-hero{padding-bottom:34px}
.flow-card{min-height:390px}
.flow-body{text-align:center;padding:48px 48px 42px}
.flow-body h2{font-size:26px;line-height:1.3;margin:16px 0 9px;letter-spacing:-.02em}
.flow-description{color:#66788c;font-size:15px;margin:0 auto 28px;max-width:560px}
.spinner-big{width:64px;height:64px;margin:0 auto;border:5px solid #dbeafe;border-top-color:#2563eb;border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.flow-summary{margin:30px auto 0;max-width:570px;border:1px solid var(--border);border-radius:9px;background:#fbfdff;overflow:hidden;text-align:left}
.flow-summary>div{display:grid;grid-template-columns:130px minmax(0,1fr);gap:16px;padding:15px 19px;font-size:14px}
.flow-summary>div+div{border-top:1px solid var(--border-soft)}
.flow-summary span{color:var(--muted)}
.flow-summary strong{overflow-wrap:anywhere}
.flow-body .progress-log{margin:27px auto 0;width:100%;max-width:570px;height:220px;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-gutter:stable;text-align:left}
.flow-hint{color:var(--muted);font-size:13px;margin:22px auto 0;max-width:570px}
.result-icon{width:78px;height:78px;display:flex;align-items:center;justify-content:center;margin:0 auto 22px;border-radius:24px;transform:rotate(-6deg)}
.result-icon.success{color:#258765;background:linear-gradient(145deg,#e4f7ee,#f3fbf8);box-shadow:0 0 0 8px #f5fbf8,0 13px 24px rgba(34,133,94,.1)}
.result-icon.failed{color:#b96859;background:linear-gradient(145deg,#fff0ed,#fff8f6);box-shadow:0 0 0 8px #fff9f7,0 13px 24px rgba(171,86,65,.08)}
.result-icon.pending{color:#3c78d3;background:linear-gradient(145deg,#e9f2ff,#f7faff);box-shadow:0 0 0 8px #f7faff,0 13px 24px rgba(55,112,198,.08)}
.result-symbol{width:41px;height:41px;stroke:currentColor;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round;transform:rotate(6deg)}
.result-symbol-success,.result-symbol-failed,.result-symbol-pending{display:none}
.result-icon.success .result-symbol-success,.result-icon.failed .result-symbol-failed,.result-icon.pending .result-symbol-pending{display:block}
.flow-body .status-badge{margin-bottom:2px}
.flow-notice{max-width:570px;text-align:left;margin:22px auto 0}
.flow-notice.refund-note{display:flex;flex-direction:column;gap:4px;border-color:#ccebdd;background:#f1faf5;color:#3f7058;padding:17px 20px;border-radius:10px}
.flow-notice.refund-note strong{color:#217553;font-size:14px}
.flow-notice.refund-note span{font-size:13px}
.flow-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:29px}
.button-link{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.button-spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;flex:none}
#btn-activate[aria-busy="true"]{display:inline-flex;align-items:center;justify-content:center;gap:8px;opacity:.8;cursor:wait}
#btn-activate[aria-busy="true"] span{margin-left:0}
@media(prefers-reduced-motion:reduce){.spinner-big,.button-spinner{animation-duration:2.5s}}
@media(max-width:700px){
  .page-width{padding-left:16px;padding-right:16px}
  .header-inner{min-height:65px}
  .hero{padding:39px 0 24px}
  .hero h1{font-size:31px}
  .hero p{font-size:14px}
  .feature-tab{font-size:13px;padding:0 5px}
  .stepper{margin-bottom:22px}
  .step{justify-content:center;gap:4px;padding:0 5px;font-size:12px}
  .card-heading{padding:20px 18px 14px}
  .card-body{padding:20px 18px}
  .session-guide{align-items:stretch;flex-direction:column;gap:15px;padding:18px;margin-top:16px}
  .session-open-link{width:100%}
  .confirm-grid>div{grid-template-columns:98px minmax(0,1fr)}
  .query-heading{padding:22px 19px;gap:14px}
  .query-heading-icon{width:48px;height:48px;border-radius:14px}
  .query-heading h2,.query-result-header h2{font-size:19px}
  .query-form{padding:22px 19px}
  .query-form-footer{align-items:stretch;flex-direction:column;gap:13px}
  .query-submit{width:100%}
  .query-result-header{padding:22px 19px 17px}
  .query-filters{padding:0 19px 17px}
  .query-results{padding:0 19px 22px}
  .query-item{padding:14px}
  .query-item-details{grid-template-columns:1fr}
  .actions>*{flex:1}
  .flow-body{padding:38px 20px 32px}
  .flow-body h2{font-size:23px}
  .flow-summary>div{grid-template-columns:91px minmax(0,1fr);gap:10px;padding:14px}
  .flow-actions>*{width:100%}
}