:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #657385;
  --line: #dce3ec;
  --accent: #047857;
  --accent-strong: #065f46;
  --blue: #2563eb;
  --danger: #b42318;
  --warn: #b45309;
  --shadow: 0 12px 30px rgba(24, 39, 75, 0.08);
}

.plan-grid { align-items: stretch; }
.plan-card { display: flex; flex-direction: column; gap: 14px; }
.plan-card ul { margin: 0; padding-left: 20px; line-height: 1.9; }
.plan-card .actions { margin-top: auto; }
.price { font-size: 2rem; font-weight: 800; margin: 0; }
.price small { font-size: .85rem; font-weight: 500; opacity: .7; }

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 700;
  min-height: 40px;
  padding: 0 14px;
}

button:hover {
  background: var(--accent-strong);
}

button.ghost {
  background: #e8eef6;
  color: var(--ink);
}

button.danger {
  background: var(--danger);
}

button.icon {
  width: 40px;
  padding: 0;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  min-height: 40px;
  padding: 0 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.side {
  background: #111827;
  color: white;
  padding: 26px 18px;
}

.brand {
  display: grid;
  gap: 5px;
  margin-bottom: 28px;
}

.brand strong {
  font-size: 20px;
}

.brand span,
.side small {
  color: #aab6c7;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav button {
  justify-content: flex-start;
  text-align: left;
  background: transparent;
  color: #d8e0ec;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav button.active,
.nav button:hover {
  background: #243044;
}

.main {
  padding: 28px;
  display: grid;
  align-content: start;
  gap: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 28px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel.pad {
  padding: 18px;
}

.grid {
  display: grid;
  gap: 16px;
}

.cols {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.two {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.stat {
  padding: 18px;
}

.stat span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.stat strong {
  display: block;
  font-size: 30px;
  margin-top: 8px;
}

.public-dns {
  display: grid;
  gap: 16px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.section-head.compact {
  align-items: center;
}

.section-head h2,
.section-head h3 {
  margin: 0;
}

.public-stat,
.probe-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #f8fafc;
}

.public-stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.public-stat strong {
  display: block;
  font-size: 24px;
  margin-top: 6px;
  word-break: break-word;
}

.probe-card {
  display: grid;
  gap: 8px;
}

.probe-card p {
  margin: 0;
}

.flush-form {
  display: grid;
  grid-template-columns: minmax(220px, 420px) auto;
  gap: 12px;
  align-items: end;
  justify-content: start;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 120px auto;
  gap: 12px;
  align-items: end;
}

.zone-form {
  grid-template-columns: minmax(220px, 420px) auto;
  justify-content: start;
}

.ns-guide {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.ns-guide h2,
.zone-card h2 {
  margin: 0;
}

.ns-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.zone-list {
  display: grid;
  gap: 16px;
}

.zone-card {
  display: grid;
  gap: 16px;
}

.zone-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.record-form {
  display: grid;
  grid-template-columns: minmax(90px, 0.8fr) 110px minmax(220px, 1.5fr) 110px 100px auto;
  gap: 12px;
  align-items: end;
}

.table-wrap {
  overflow-x: auto;
}

.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(960px, 100%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.auth-intro {
  padding: 40px;
  background: #0f766e;
  color: white;
  display: grid;
  align-content: center;
  gap: 14px;
}

.auth-intro h1 {
  margin: 0;
  font-size: 36px;
}

.auth-intro p {
  margin: 0;
  line-height: 1.7;
  color: #e7fffb;
}

.auth-form {
  padding: 34px;
  display: grid;
  align-content: center;
  gap: 14px;
}

.tabs,
.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tabs button {
  background: #e7edf5;
  color: var(--ink);
}

.tabs button.active {
  background: var(--accent);
  color: white;
}

table {
  width: 100%;
  border-collapse: collapse;
}

.table-title {
  padding: 14px 14px 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
}

.table-input {
  min-width: 170px;
  width: 100%;
}

.table-input.small {
  min-width: 74px;
}

.table-input.tiny {
  min-width: 64px;
  width: 72px;
  margin-right: 6px;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.token,
code {
  font-family: "Cascadia Mono", Consolas, monospace;
  background: #edf2f7;
  padding: 3px 6px;
  border-radius: 6px;
  word-break: break-all;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 9px;
  background: #e8f5ee;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
}

.badge.warn {
  background: #fff4df;
  color: var(--warn);
}

.notice {
  color: var(--muted);
  line-height: 1.7;
}

.pad-inline {
  padding: 0 14px 14px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 420px;
  background: #111827;
  color: white;
  padding: 12px 14px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

@media (max-width: 900px) {
  .shell,
  .auth-card,
  .two,
  .cols {
    grid-template-columns: 1fr;
  }

  .side {
    padding: 18px;
  }

  .main {
    padding: 18px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .flush-form {
    grid-template-columns: 1fr;
  }

  .ns-guide,
  .zone-head {
    display: grid;
  }

  .ns-list {
    justify-content: flex-start;
  }

  .record-form {
    grid-template-columns: 1fr;
  }

  th:nth-child(3),
  td:nth-child(3) {
    display: none;
  }
}

/* Public product homepage */
html { scroll-behavior: smooth; }
.landing { --navy: #071c3a; --navy-2: #0c2d59; --sky: #1687f8; --pale: #eef7ff; background: #fff; color: #10213a; }
.landing button, .landing .button { border-radius: 10px; min-height: 46px; padding: 0 20px; background: var(--sky); box-shadow: 0 8px 20px rgba(22,135,248,.2); }
.landing button:hover, .landing .button:hover { background: #0874dc; }
.landing-section { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 30; height: 72px; display: flex; align-items: center; gap: 30px; padding: 0 max(24px, calc((100vw - 1180px)/2)); background: rgba(255,255,255,.94); border-bottom: 1px solid #e7eef7; backdrop-filter: blur(14px); }
.site-brand { color: var(--navy); text-decoration: none; font-size: 21px; font-weight: 850; display: inline-flex; align-items: center; gap: 10px; letter-spacing: -.5px; white-space: nowrap; }
.brand-mark { width: 34px; height: 34px; display: inline-grid; place-items: center; border-radius: 10px; color: white; background: linear-gradient(145deg,#188ff9,#1a5dd8); font-weight: 900; box-shadow: 0 8px 18px rgba(22,135,248,.28); }
.site-nav { flex: 1; display: flex; justify-content: center; gap: 28px; }
.site-nav a { color: #45566e; text-decoration: none; font-size: 14px; font-weight: 650; }
.site-nav a:hover { color: var(--sky); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.landing button.text-button { color: #31445f; background: transparent; box-shadow: none; }
.hero { min-height: 610px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 70px; padding-block: 78px 68px; }
.hero-copy { position: relative; }
.hero-copy:before { content:""; position:absolute; width:460px; height:460px; left:-240px; top:-130px; border-radius:50%; background:radial-gradient(circle,rgba(35,152,255,.09),transparent 68%); pointer-events:none; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 7px 12px; border: 1px solid #cfe6fa; background: #f4faff; color: #2870b9; border-radius: 999px; font-size: 13px; font-weight: 750; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #17bd75; box-shadow: 0 0 0 5px rgba(23,189,117,.11); }
.hero h1 { margin: 25px 0 20px; color: var(--navy); font-size: clamp(42px,5vw,66px); line-height: 1.12; letter-spacing: -2.5px; }
.hero h1 span { color: var(--sky); }
.hero-copy>p { max-width: 600px; color: #5a6b82; font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; gap: 12px; margin: 30px 0 25px; }
.landing .button { display:inline-flex; align-items:center; justify-content:center; color:white; font-weight:750; text-decoration:none; }
.landing .secondary { color: #1e4c7c; background: #fff; border: 1px solid #bfd5ea; box-shadow: none; }
.landing .secondary:hover { color: var(--sky); background: #f5faff; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 18px; color: #76869a; font-size: 12px; }
.hero-console { color: #dcecff; background: linear-gradient(145deg,#0b2446,#07182f); border: 1px solid #183b66; border-radius: 18px; box-shadow: 0 30px 65px rgba(4,26,56,.28); overflow: hidden; transform: perspective(1000px) rotateY(-2deg); }
.console-top { height: 52px; display:flex; align-items:center; padding:0 18px; border-bottom:1px solid rgba(255,255,255,.1); gap:14px; font-size:12px; }
.console-top>span { display:flex; gap:5px; }.console-top i { width:7px; height:7px; border-radius:50%; background:#3f638b; }.console-top b{flex:1;color:#c9daf0}.console-top em{font-style:normal;color:#57d79a;background:rgba(52,213,140,.1);padding:4px 8px;border-radius:20px}
.console-stats { display:grid; grid-template-columns:1fr 1fr; gap:12px; padding:18px; }.console-stats article{display:grid;gap:7px;padding:16px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);border-radius:10px}.console-stats small,.console-stats span{color:#7895b7;font-size:11px}.console-stats strong{font-size:15px}.console-stats span.ok{color:#55d89a}
.console-chart{margin:0 18px 16px;padding:15px;background:rgba(13,57,103,.6);border-radius:10px}.chart-head{display:flex;justify-content:space-between;font-size:11px;color:#8aa5c5}.chart-head b{color:#57d79a}.console-chart svg{width:100%;height:120px;margin-top:7px}.console-chart .area{fill:url(#chartFill)}.console-chart .line{fill:none;stroke:#51a8ff;stroke-width:3}
.console-events{display:grid;grid-template-columns:1fr auto;gap:10px 16px;padding:0 20px 20px;font-size:11px;color:#8aa5c5}.console-events b{color:#55d89a;margin-right:8px}.console-events time{color:#617e9f}
.status-strip { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid #dfeaf4; border-radius: 14px; background:#fff; box-shadow:0 12px 32px rgba(34,69,105,.07); overflow:hidden; }
.status-strip>div { min-width:0; display:flex; align-items:center; gap:12px; padding:20px; border-right:1px solid #e7eef5; }.status-strip>div:last-child{border:0}.status-icon{flex:none;width:37px;height:37px;display:grid;place-items:center;background:#edf7ff;color:#147ee7;border-radius:10px;font-size:20px}.status-strip p{margin:0;min-width:0;display:grid;gap:3px;flex:1}.status-strip small{color:#8090a5;font-size:11px}.status-strip strong{overflow:hidden;text-overflow:ellipsis;font-size:12px;white-space:nowrap}.status-ok{color:#15985e;background:#e9faf2;border-radius:20px;padding:4px 7px;font-size:10px;font-weight:800}
.section-intro { text-align:center; padding-top:100px; padding-bottom:42px; }.section-kicker{display:inline-block;color:#1687f8;font-size:12px;font-weight:850;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}.section-intro h2,.use-cases h2,.faq h2,.workflow-section h2{font-size:36px;letter-spacing:-1px;margin:0 0 12px;color:var(--navy)}.section-intro p,.use-cases>div>p{color:#718198;margin:0}
.feature-grid { display:grid;grid-template-columns:1fr 1fr;gap:18px;padding-bottom:90px}.feature-card{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:28px;border:1px solid #e1eaf3;border-radius:16px;background:#fff;box-shadow:0 10px 35px rgba(21,50,80,.05)}.feature-card:hover{transform:translateY(-3px);box-shadow:0 18px 45px rgba(21,50,80,.09);transition:.2s}.feature-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:14px;font-size:22px;font-weight:850}.feature-blue .feature-icon{background:#e8f4ff;color:#1687f8}.feature-purple .feature-icon{background:#f1ebff;color:#754ad7}.feature-green .feature-icon{background:#e7f9f1;color:#129568}.feature-orange .feature-icon{background:#fff0e7;color:#de6c22;font-size:16px}.feature-card h3{margin:2px 0 8px;font-size:20px}.feature-card p{color:#6b7b91;line-height:1.7;margin:0}.feature-card ul,.pricing-card ul{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:9px;color:#55667c;font-size:13px}.feature-card li:before,.pricing-card li:before{content:"✓";color:#188bed;font-weight:900;margin-right:9px}.copy-box{display:flex;align-items:center;gap:8px;margin-top:16px}.copy-box code{flex:1;background:#eff7ff;color:#0d65ba;padding:10px 12px}.landing button.copy-mini{min-height:36px;padding:0 12px;font-size:11px}.landing button.card-link{background:none;color:#147bdc;box-shadow:none;padding:0;min-height:auto;margin-top:18px}.soon{display:inline-block;margin-top:18px;color:#a66a18;background:#fff5df;padding:6px 9px;border-radius:6px;font-size:11px}
.workflow-section { background:linear-gradient(120deg,#08244a,#0c3970);color:white;padding:75px 0}.section-kicker.light{color:#72baff}.workflow-section h2{color:white}.workflow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:20px;margin-top:40px}.workflow article{display:grid;gap:6px}.workflow article b{font-size:36px;color:#2d83db}.workflow article span{font-weight:800;font-size:17px}.workflow article p{margin:0;color:#94abc5;font-size:12px}.workflow>i{font-style:normal;color:#3c70a8;font-size:24px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding-bottom:100px;align-items:stretch}.pricing-card{position:relative;display:flex;flex-direction:column;padding:28px;border:1px solid #dfe8f2;border-radius:16px;background:#fff;box-shadow:0 10px 35px rgba(21,50,80,.06)}.pricing-card.recommended{border:2px solid #1687f8;box-shadow:0 18px 45px rgba(22,135,248,.14);transform:translateY(-8px)}.recommend-label{position:absolute;right:18px;top:0;transform:translateY(-50%);background:#1687f8;color:white;border-radius:20px;padding:5px 13px;font-size:11px;font-weight:800}.plan-name{display:flex;align-items:center;gap:12px}.plan-name>span{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:#edf6ff;color:#1687f8;font-size:20px}.plan-name h3{margin:0;font-size:19px}.plan-name p{margin:4px 0 0;color:#8290a2;font-size:11px}.landing-price{display:flex;align-items:baseline;margin-top:25px}.landing-price sup{font-weight:800}.landing-price strong{font-size:42px;line-height:1;margin:0 4px}.landing-price span{font-size:12px;color:#8a98a9}.year-price{height:20px;color:#7a899d;font-size:12px}.pricing-card ul{border-top:1px solid #eaf0f6;padding-top:20px;margin-bottom:26px;flex:1}.pricing-card>button{width:100%}
.use-cases{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:center;padding:90px 0;border-top:1px solid #eef2f7}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.case-grid article{display:grid;gap:7px;padding:20px;border:1px solid #e3ebf3;border-radius:12px}.case-grid span{color:#1687f8;font-weight:900;font-size:17px}.case-grid b{font-size:14px}.case-grid p{margin:0;color:#8090a4;font-size:11px}
.faq{display:grid;grid-template-columns:.65fr 1.35fr;gap:60px;padding:80px 0 100px}.faq-list{display:grid}.faq details{border-bottom:1px solid #dfe7f0;padding:17px 0}.faq summary{font-weight:750;cursor:pointer}.faq details p{color:#6e7e93;line-height:1.7;font-size:13px;margin-bottom:0}
.service-boundary{margin-bottom:80px;padding:24px 28px;border:1px solid #cfe2f4;border-radius:14px;background:#f1f8ff;text-align:center}.service-boundary strong{color:#0b559b}.service-boundary p{margin:9px auto 0;max-width:900px;color:#5c7188;font-size:13px;line-height:1.7}.auth-dialog small a,.forgot-link,.consent-check a{color:#1687f8;text-decoration:none}.auth-dialog small a:hover,.forgot-link:hover,.consent-check a:hover{text-decoration:underline}.forgot-link{text-align:center;font-size:14px}.consent-check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:flex-start!important;gap:9px!important;font-size:13px;font-weight:400!important;color:#5f6f82}.consent-check input{width:17px!important;height:17px;margin:2px 0 0;accent-color:#1687f8}
.cta-section{padding:70px 24px;background:linear-gradient(120deg,#eff8ff,#e8f4ff);text-align:center}.cta-section>div{max-width:700px;margin:auto}.cta-section span{color:#1687f8;font-weight:850;font-size:12px}.cta-section h2{font-size:34px;margin:12px 0;color:var(--navy)}.cta-section p{color:#6f8095}.cta-section button{margin-top:14px}
.site-footer{background:#07192f;color:#8299b5;padding-top:55px}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:50px;padding-bottom:45px}.footer-brand{color:white}.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.footer-grid p{max-width:250px;color:#7188a3;font-size:12px;line-height:1.7}.footer-grid b{color:#d7e4f2;font-size:13px;margin-bottom:8px}.footer-grid a,.footer-grid span{color:#7890aa;text-decoration:none;font-size:12px}.footer-grid a:hover{color:white}.footer-grid code{background:#0e294a;color:#90b5db;font-size:11px}.copyright{border-top:1px solid #17314e;padding:20px;text-align:center;color:#5f7690;font-size:11px}
.auth-modal{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:20px}.auth-modal.show{display:grid}.auth-backdrop{position:absolute;inset:0;background:rgba(2,16,35,.72);backdrop-filter:blur(5px)}.auth-dialog{position:relative;width:min(430px,100%);display:grid;gap:14px;padding:32px;background:white;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.3)}.auth-dialog>.brand-mark{margin:auto}.auth-dialog h2,.auth-dialog>p{text-align:center;margin:0}.auth-dialog>p{color:#748398;font-size:13px}.auth-dialog small{text-align:center;color:#9aa5b4}.dialog-close{position:absolute;right:13px;top:12px!important;width:36px!important;min-height:36px!important;padding:0!important;background:#eef3f8!important;color:#64758b!important;box-shadow:none!important;border-radius:50%!important}.form-message{color:#b42318!important;background:#fff0ef;padding:9px;border-radius:8px}

@media (max-width: 1020px){.site-nav{display:none}.site-header{justify-content:space-between}.hero{grid-template-columns:1fr;gap:45px}.hero-copy{text-align:center}.hero-copy>p{margin-inline:auto}.hero-actions,.hero-trust{justify-content:center}.hero-console{max-width:700px;margin:auto;width:100%;transform:none}.status-strip{grid-template-columns:1fr 1fr}.status-strip>div:nth-child(2){border-right:0}.use-cases,.faq{grid-template-columns:1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media (max-width: 720px){.landing-section{width:min(100% - 30px,1180px)}.site-header{height:64px;padding:0 15px}.site-brand{font-size:18px}.header-actions .text-button{display:none}.landing button{min-height:44px;padding-inline:15px}.hero{min-height:auto;padding:58px 0 42px}.hero h1{font-size:40px;letter-spacing:-1.5px}.hero-copy>p{font-size:15px}.hero-actions{flex-direction:column}.hero-actions>*{width:100%}.hero-trust{display:grid;gap:7px}.console-stats{grid-template-columns:1fr}.status-strip{grid-template-columns:1fr}.status-strip>div{border-right:0;border-bottom:1px solid #e7eef5}.feature-grid,.pricing-grid{grid-template-columns:1fr}.feature-card{grid-template-columns:1fr}.section-intro{padding-top:70px}.section-intro h2,.use-cases h2,.faq h2,.workflow-section h2{font-size:29px}.workflow{grid-template-columns:1fr}.workflow>i{transform:rotate(90deg);justify-self:center}.pricing-card.recommended{transform:none}.use-cases,.faq{padding:65px 0;gap:30px}.case-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:35px}.footer-grid>div:first-child{grid-column:1/-1}.cta-section h2{font-size:28px}}