:root{
    --bg:#f5f7fb;--card:#fff;--text:#111827;--muted:#667085;--line:#e6eaf0;
    --primary:#2563eb;--primary-deep:#1d4ed8;--success:#0f9f6e;--danger:#dc2626;
    --shadow:0 24px 70px rgba(31,41,55,.10);--radius:24px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased}.hidden{display:none!important}button,input{font:inherit}.page-shell{min-height:100vh}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 28px}.brand{display:flex;align-items:center;gap:11px;color:#101828;text-decoration:none;font-size:18px;font-weight:750;letter-spacing:-.02em}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(145deg,#2563eb,#5b8cff);box-shadow:0 8px 20px rgba(37,99,235,.28)}.brand-mark svg{width:21px;fill:#fff}.official-link{font-size:14px;color:#475467;text-decoration:none;padding:9px 13px;border:1px solid #e4e7ec;border-radius:10px;background:rgba(255,255,255,.72)}.official-link:hover{color:var(--primary);border-color:#b9cdfc}.hero{position:relative;overflow:hidden;min-height:490px;display:grid;place-items:center;background:linear-gradient(180deg,#f8faff 0%,#eef4ff 100%);border-top:1px solid rgba(230,234,240,.8);border-bottom:1px solid #e4ebf7}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 85%)}.hero-glow{position:absolute;border-radius:50%;filter:blur(6px);opacity:.5}.hero-glow-one{width:360px;height:360px;left:-130px;top:-140px;background:radial-gradient(circle,rgba(96,165,250,.45),transparent 68%)}.hero-glow-two{width:420px;height:420px;right:-180px;bottom:-210px;background:radial-gradient(circle,rgba(129,140,248,.35),transparent 68%)}.hero-content{position:relative;z-index:1;text-align:center;width:min(820px,calc(100% - 32px));padding:64px 0 70px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#365a9e;font-size:13px;font-weight:650;background:rgba(255,255,255,.75);border:1px solid rgba(154,181,233,.55);padding:7px 12px;border-radius:999px;box-shadow:0 4px 15px rgba(37,99,235,.06)}.eyebrow span{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.12)}h1{font-size:52px;line-height:1.13;margin:22px 0 14px;letter-spacing:-.055em;font-weight:850}h1 em{font-style:normal;color:var(--primary)}.hero-content>p{font-size:18px;color:#667085;margin:0 0 34px}.search-card{display:flex;align-items:center;gap:12px;padding:10px;background:#fff;border:1px solid rgba(203,213,225,.85);border-radius:18px;box-shadow:0 20px 48px rgba(37,99,235,.13),0 2px 5px rgba(15,23,42,.04)}.input-wrap{flex:1;display:flex;align-items:center;gap:11px;padding-left:10px;min-width:0}.input-wrap svg{width:22px;flex:0 0 auto;fill:#98a2b3}.input-wrap input{width:100%;border:0;outline:0;background:transparent;font-size:17px;color:#101828;padding:12px 0}.input-wrap input::placeholder{color:#a4adbb}.search-card>button{height:50px;min-width:128px;border:0;border-radius:12px;color:#fff;background:linear-gradient(135deg,#2563eb,#3978f6);font-weight:700;cursor:pointer;box-shadow:0 9px 20px rgba(37,99,235,.25);transition:.2s ease;position:relative}.search-card>button:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(37,99,235,.3)}.search-card>button:disabled{opacity:.68;cursor:not-allowed;transform:none}.search-card>button.loading span{opacity:.2}.search-card>button.loading i{position:absolute;width:20px;height:20px;border:2px solid rgba(255,255,255,.42);border-top-color:#fff;border-radius:50%;left:calc(50% - 10px);top:calc(50% - 10px);animation:spin .75s linear infinite}.examples{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:18px;font-size:13px;color:#98a2b3}.examples button{border:0;background:rgba(255,255,255,.55);color:#667085;cursor:pointer;padding:5px 8px;border-radius:7px}.examples button:hover{color:var(--primary);background:#fff}.status-panel,.result-panel,.feature-grid{max-width:1080px;margin-left:auto;margin-right:auto}.status-panel{margin-top:32px;padding:18px 22px;border:1px solid #dbe5f5;background:#fff;border-radius:16px;box-shadow:0 8px 25px rgba(15,23,42,.05);display:flex;align-items:center;gap:13px}.status-spinner{width:22px;height:22px;border:2px solid #dbeafe;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.status-panel strong{display:block;font-size:15px}.status-panel span{display:block;color:#667085;font-size:13px;margin-top:3px}.result-panel{margin-top:34px}.result-summary{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 24px;box-shadow:0 10px 35px rgba(15,23,42,.06)}.summary-main{display:flex;align-items:center;gap:15px}.summary-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#ecfdf3;color:var(--success)}.summary-icon.not-recorded{background:#f2f4f7;color:#667085}.summary-icon svg{width:27px;fill:currentColor}.summary-main h2{font-size:20px;margin:0 0 5px}.summary-main p{margin:0;color:#667085;font-size:14px}.summary-meta{text-align:right;color:#98a2b3;font-size:12px}.summary-meta button{display:block;margin:7px 0 0 auto;border:0;background:transparent;color:var(--primary);cursor:pointer;padding:2px}.record-list{display:grid;gap:16px;margin-top:16px}.record-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 8px 28px rgba(15,23,42,.045)}.record-head{padding:19px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid #edf0f4;background:linear-gradient(180deg,#fff,#fbfcfe)}.record-domain{font-size:18px;font-weight:760;word-break:break-all}.record-badge{flex:0 0 auto;font-size:12px;font-weight:700;color:#087a55;background:#e9fbf3;border:1px solid #c7f3df;padding:6px 9px;border-radius:999px}.record-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:3px 22px 12px}.field{padding:15px 0;border-bottom:1px dashed #e7eaf0;min-width:0}.field:nth-child(odd){padding-right:24px}.field:nth-child(even){padding-left:24px;border-left:1px solid #f0f2f5}.field-label{font-size:12px;color:#98a2b3;margin-bottom:6px}.field-value{font-size:14px;color:#344054;line-height:1.55;word-break:break-all;display:flex;align-items:flex-start;gap:7px}.copy-mini{border:0;background:#eff4ff;color:#3567c8;padding:3px 6px;border-radius:6px;font-size:11px;cursor:pointer;flex:0 0 auto}.empty-result{margin-top:16px;padding:54px 24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:20px}.empty-result svg{width:52px;fill:#c4cad4}.empty-result h3{margin:15px 0 8px}.empty-result p{margin:0;color:#667085;font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:60px;margin-bottom:66px;padding:0 20px}.feature-grid article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 28px rgba(15,23,42,.035)}.feature-icon{width:42px;height:42px;border-radius:13px;background:#eef4ff;display:grid;place-items:center;color:var(--primary)}.feature-icon svg{width:23px;fill:currentColor}.feature-grid h3{font-size:16px;margin:16px 0 8px}.feature-grid p{font-size:13px;line-height:1.75;color:#667085;margin:0}footer{text-align:center;padding:28px 18px 35px;border-top:1px solid #e4e7ec;color:#98a2b3;font-size:12px;background:#fff}footer p{margin:5px}.modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(6px)}.modal-card{position:relative;width:min(560px,100%);max-height:calc(100vh - 34px);overflow:auto;background:#fff;border-radius:24px;padding:28px;box-shadow:0 32px 100px rgba(0,0,0,.28);animation:modalIn .22s ease-out}.modal-close{position:absolute;right:16px;top:14px;border:0;background:#f2f4f7;color:#667085;width:32px;height:32px;border-radius:10px;font-size:21px;line-height:30px;cursor:pointer}.modal-badge{display:inline-block;color:#2859b4;background:#eff4ff;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700}.modal-head h2{font-size:23px;margin:12px 0 7px;letter-spacing:-.02em}.modal-head p{margin:0 0 20px;color:#667085;font-size:14px}.captcha-block{border:1px solid #e4e7ec;background:#f8fafc;border-radius:16px;padding:14px}.point-image-wrap,.slider-stage{position:relative;width:100%;overflow:hidden;border-radius:11px;background:#e9edf3;touch-action:none;user-select:none}.point-image-wrap img,.slider-bg{display:block;width:100%;height:auto}.point-image-wrap{cursor:crosshair}.point-markers{position:absolute;inset:0;pointer-events:none}.point-marker{position:absolute;width:28px;height:28px;margin:-14px 0 0 -14px;border-radius:50%;background:rgba(37,99,235,.92);border:2px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.25);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}.prompt-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px;padding:9px 10px;background:#fff;border:1px solid #e9edf3;border-radius:10px;color:#667085;font-size:13px}.prompt-row img{max-width:72%;max-height:54px;object-fit:contain}.captcha-progress{display:flex;align-items:center;justify-content:space-between;margin-top:11px;font-size:13px;color:#667085}.captcha-progress button{border:0;background:transparent;color:var(--primary);cursor:pointer}.slider-stage{min-height:140px}.slider-piece{position:absolute;left:0;top:0;max-width:none;pointer-events:none;filter:drop-shadow(0 4px 5px rgba(0,0,0,.25));z-index:2}.slider-guide{position:absolute;top:0;bottom:0;width:2px;background:rgba(37,99,235,.75);box-shadow:0 0 0 1px rgba(255,255,255,.45);pointer-events:none;z-index:3}.piece-preview{display:flex;align-items:center;gap:10px;margin:11px 0 0;font-size:12px;color:#667085}.piece-preview img{max-width:100px;max-height:48px;object-fit:contain;background:#fff;border:1px solid #e4e7ec;border-radius:7px}.range-wrap{display:block;margin-top:13px}.range-wrap span{display:block;font-size:13px;color:#475467;margin-bottom:9px}.range-wrap input{width:100%;accent-color:var(--primary);cursor:grab}.range-wrap input:active{cursor:grabbing}.modal-actions{display:flex;gap:12px;margin-top:20px}.modal-actions button{height:46px;border-radius:12px;font-weight:700;cursor:pointer;flex:1}.button-secondary{border:1px solid #d0d5dd;background:#fff;color:#475467}.button-primary{border:0;background:linear-gradient(135deg,#2563eb,#3978f6);color:#fff;box-shadow:0 9px 20px rgba(37,99,235,.22)}.modal-actions button:disabled{opacity:.55;cursor:not-allowed}.toast{position:fixed;z-index:1100;left:50%;bottom:32px;transform:translateX(-50%);background:#101828;color:#fff;border-radius:12px;padding:12px 16px;box-shadow:0 14px 38px rgba(0,0,0,.25);font-size:14px;max-width:min(90vw,520px);animation:toastIn .2s ease}.toast.error{background:#b42318}.toast.success{background:#087a55}@keyframes spin{to{transform:rotate(360deg)}}@keyframes modalIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
@media(max-width:760px){.topbar{height:62px;padding:0 16px}.official-link{font-size:12px;padding:7px 9px}.hero{min-height:460px}.hero-content{padding:52px 0 58px}h1{font-size:38px}.hero-content>p{font-size:15px;margin-bottom:27px}.search-card{padding:8px;gap:8px;border-radius:15px}.input-wrap{padding-left:7px}.input-wrap input{font-size:15px}.search-card>button{min-width:98px;height:47px;font-size:14px}.examples{flex-wrap:wrap}.status-panel,.result-panel{margin-left:14px;margin-right:14px}.result-summary{align-items:flex-start;padding:18px}.summary-meta{display:none}.record-grid{grid-template-columns:1fr;padding:2px 18px 12px}.field:nth-child(odd),.field:nth-child(even){padding-left:0;padding-right:0;border-left:0}.record-head{padding:17px 18px}.feature-grid{grid-template-columns:1fr;margin-top:42px}.modal{padding:10px}.modal-card{padding:22px 16px 18px;border-radius:20px}.modal-close{right:12px;top:11px}.modal-actions{position:sticky;bottom:-18px;background:#fff;padding:13px 0 0}.slider-stage{min-height:100px}}
@media(max-width:420px){.brand{font-size:16px}.brand-mark{width:32px;height:32px;border-radius:10px}.official-link{display:none}h1{font-size:33px}.hero-content>p{padding:0 12px}.search-card{display:block}.input-wrap{height:49px}.search-card>button{width:100%;margin-top:7px}.record-domain{font-size:16px}.modal-actions{gap:8px}}