:root {
  --ink: #07182f;
  --muted: #60728d;
  --line: #d7e2ed;
  --mint-50: #f3fffb;
  --mint-100: #e4faf2;
  --mint-200: #c8f2e5;
  --mint-500: #08aa7d;
  --mint-600: #07946e;
  --blue: #2b66ed;
  --violet: #7835ee;
  --red: #dc3556;
  --amber: #b86a00;
  --surface: rgba(255, 255, 255, .92);
  --shadow: 0 22px 55px rgba(24, 91, 77, .10);
  --radius: 25px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #eefbf7;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 9% 22%, rgba(154, 240, 211, .55), transparent 28rem),
    radial-gradient(circle at 92% 40%, rgba(184, 237, 251, .42), transparent 29rem),
    linear-gradient(180deg, #f8fffd 0, #edf9f5 52%, #f7fbff 100%);
  line-height: 1.55;
}
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .62; }
a { color: inherit; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 9px 14px;
  border-radius: 10px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(190, 219, 210, .82);
  background: rgba(251, 255, 254, .88);
  backdrop-filter: blur(17px);
}
.nav-shell {
  width: min(1180px, calc(100% - 40px));
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 34px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; text-decoration: none; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: #fff;
  background: #071126;
  box-shadow: 0 10px 25px rgba(7, 17, 38, .18);
  font-weight: 900;
}
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { letter-spacing: .03em; font-size: 14px; }
.brand-copy small { margin-top: 5px; color: #7b8da6; font-size: 10px; letter-spacing: .16em; }
.nav-links { display: flex; align-items: center; gap: 34px; color: #5c6d86; font-weight: 750; }
.nav-links a, .nav-action { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--mint-600); }
.nav-action {
  padding: 11px 22px;
  border-radius: 999px;
  color: #fff;
  background: #071126;
  font-weight: 850;
}

.hero {
  margin-top: 32px;
  padding: 34px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 34px;
  align-items: end;
  border: 1px solid rgba(64, 218, 167, .32);
  border-radius: 30px;
  background:
    radial-gradient(circle at 90% 18%, rgba(102, 235, 187, .48), transparent 27rem),
    linear-gradient(125deg, rgba(255,255,255,.96), rgba(227, 250, 241, .86));
  box-shadow: var(--shadow);
}
.hero-copy { max-width: 670px; }
.eyebrow-pill {
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid #9fe5cf;
  border-radius: 999px;
  color: #007b58;
  background: rgba(255,255,255,.74);
  font-size: 13px;
  font-weight: 850;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 7px; font-size: clamp(34px, 4.5vw, 54px); letter-spacing: -.045em; line-height: 1.15; }
.hero-copy p { max-width: 680px; margin-bottom: 21px; color: #49627c; font-size: 17px; }
.primary-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 12px 20px;
  border-radius: 14px;
  color: #fff;
  background: var(--mint-600);
  box-shadow: 0 13px 25px rgba(7, 148, 110, .2);
  text-decoration: none;
  font-weight: 850;
}
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.feature-grid div {
  min-height: 78px;
  padding: 14px 15px;
  display: grid;
  align-content: center;
  border: 1px solid rgba(219, 232, 228, .9);
  border-radius: 17px;
  background: rgba(255,255,255,.84);
  box-shadow: 0 10px 24px rgba(45, 97, 85, .08);
}
.feature-grid strong { color: #007c5a; font-size: 14px; }
.feature-grid span { margin-top: 3px; color: #72819a; font-size: 12px; }

.workspace { margin-top: 24px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: start; }
.surface { border: 1px solid rgba(210, 224, 230, .95); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.guide-panel { padding: 32px; position: sticky; top: 100px; }
.section-kicker { color: #00855f; font-size: 12px; font-weight: 900; letter-spacing: .18em; }
.guide-panel h2, .query-panel h2, .portal-step h2 { margin: 4px 0 4px; font-size: clamp(24px, 3vw, 31px); letter-spacing: -.035em; line-height: 1.2; }
.section-lead { color: var(--muted); }
.guide-list { margin: 23px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; }
.guide-list li {
  min-height: 99px;
  padding: 17px 15px;
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(249, 252, 255, .76);
  transition: .18s ease;
}
.guide-list li.is-active { border-color: #93e6ca; background: #effcf7; transform: translateX(3px); }
.guide-icon { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: #061029; font-size: 20px; font-weight: 900; }
.guide-list li.is-active .guide-icon { background: var(--mint-600); }
.guide-list strong { display: block; margin: 1px 0 3px; font-size: 15px; }
.guide-list p { margin: 0; color: #6d7e96; font-size: 12px; }
.guide-list small { color: #c7d0dd; font-weight: 900; }

.portal-panel { min-height: 690px; padding: 28px; overflow: hidden; }
.portal-banner {
  min-height: 54px;
  padding: 13px 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  border-radius: 15px;
  color: #fff;
  background: linear-gradient(100deg, var(--blue), var(--violet));
  box-shadow: 0 14px 27px rgba(77, 63, 223, .22);
}
.portal-banner strong { font-size: 14px; }
.service-state { padding: 3px 8px; border-radius: 99px; background: rgba(255,255,255,.18); font-size: 10px; }
.service-state.is-ready::before { content: "●"; margin-right: 4px; color: #8dffca; }
.plan-strip { margin-top: 13px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.plan-strip div {
  position: relative;
  min-height: 72px;
  padding: 12px 8px;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  text-align: center;
  background: #fff;
}
.plan-strip strong { font-size: 14px; }
.plan-strip span { color: #6f8097; font-size: 11px; }
.plan-strip div.is-selected { border-color: #12d492; background: #effff8; color: #007e59; box-shadow: inset 0 0 0 1px rgba(18,212,146,.12); }
.plan-strip div.is-selected::after { content: "✓"; position: absolute; top: 5px; right: 8px; color: #009a6b; font-size: 12px; }
.recognized-plan { min-height: 21px; margin: 8px 0 12px; color: #75849c; text-align: center; font-size: 11px; font-weight: 760; }
.recognized-plan.is-recognized { color: #00855f; }
.stepper { margin: 0 0 28px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; list-style: none; }
.stepper li { position: relative; padding-top: 16px; color: #a4b0c3; font-size: 11px; font-weight: 850; white-space: nowrap; }
.stepper li::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; border-radius: 99px; background: #e4e9f0; }
.stepper span { width: 21px; height: 21px; margin-right: 5px; display: inline-grid; place-items: center; border-radius: 50%; color: #fff; background: #cbd4e2; }
.stepper li.is-current, .stepper li.is-complete { color: #142441; }
.stepper li.is-current::before, .stepper li.is-complete::before { background: var(--blue); }
.stepper li.is-current span, .stepper li.is-complete span { background: var(--blue); }
.stepper li.is-complete span { font-size: 0; }
.stepper li.is-complete span::after { content: "✓"; font-size: 12px; }

.portal-step { animation: reveal .22s ease both; }
@keyframes reveal { from { opacity: 0; transform: translateY(8px); } }
label { display: block; margin-bottom: 8px; color: #23354f; font-size: 13px; font-weight: 850; }
textarea {
  width: 100%;
  min-height: 112px;
  padding: 15px;
  resize: vertical;
  border: 1px solid #b9c8dc;
  border-radius: 15px;
  outline: none;
  color: #12223b;
  background: #fff;
  line-height: 1.55;
  overflow-wrap: anywhere;
  transition: border-color .16s, box-shadow .16s;
}
textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(43, 102, 237, .12); }
textarea::placeholder { color: #9ba8ba; }
.primary-button, .secondary-button, .query-button {
  min-height: 48px;
  border-radius: 13px;
  font-weight: 900;
}
.primary-button { width: 100%; margin-top: 11px; border: 0; color: #fff; background: var(--blue); box-shadow: 0 12px 24px rgba(43,102,237,.2); }
.primary-button:hover:not(:disabled) { background: #1f58dc; }
.secondary-button { border: 1px solid #d6dfeb; color: #60728c; background: #fff; }
.button-row { margin-top: 10px; display: grid; grid-template-columns: minmax(110px, .42fr) 1fr; gap: 10px; }
.button-row .primary-button { margin-top: 0; }
.form-hint { margin: 10px 0 0; padding: 9px 12px; border-radius: 11px; color: #74849b; background: #f3f7fd; text-align: center; font-size: 11px; }
.notice { margin: 13px 0; padding: 12px 14px; border-radius: 13px; font-size: 12px; }
.notice-error { color: #9d1d3b; background: #fff0f3; border: 1px solid #f6ccd6; }
.notice-success { color: #00704f; background: #eafbf4; border: 1px solid #b9efd9; }
.verified-card { margin-bottom: 23px; padding: 14px; border: 1px solid #8ae7c5; border-radius: 15px; color: #007755; background: #eafff7; }
.verified-card div { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.verified-card small { display: block; margin-top: 4px; color: #4d8f7b; overflow-wrap: anywhere; }
.status-badge { padding: 4px 8px; border-radius: 999px; color: #fff; background: var(--mint-600); font-size: 10px; font-weight: 850; }
.mini-instructions { margin: 13px 0 20px; padding: 13px; border: 1px solid #d7e5f6; border-radius: 14px; background: #f3f7ff; }
.mini-instructions span { margin-right: 7px; padding: 5px 9px; display: inline-block; border-radius: 8px; color: var(--blue); background: #fff; font-size: 11px; font-weight: 850; }
.mini-instructions p { margin: 8px 0 0; color: #647791; font-size: 11px; }
.account-preview { min-height: 42px; margin: 8px 0 0; padding: 11px 12px; border-radius: 11px; color: #687991; background: #f3f7fd; font-size: 12px; overflow-wrap: anywhere; }
.account-preview.is-detected { color: #00704f; background: #eafbf4; }
.detail-list { margin: 18px 0; border: 1px solid var(--line); border-radius: 16px; background: #fbfdff; overflow: hidden; }
.detail-list div { min-height: 45px; padding: 10px 13px; display: grid; grid-template-columns: minmax(88px, .36fr) 1fr; align-items: center; gap: 10px; border-bottom: 1px solid #e5ebf2; }
.detail-list div:last-child { border-bottom: 0; }
.detail-list dt { color: #73829a; font-size: 12px; }
.detail-list dd { margin: 0; text-align: right; font-size: 12px; font-weight: 850; overflow-wrap: anywhere; }
.detail-list.compact { margin: 14px 0; }

.processing-view, .terminal-step { padding-top: 8px; text-align: center; }
.processing-view > p, .terminal-message { color: #5c708d; }
.spinner { width: 57px; height: 57px; margin: 10px auto 22px; border: 5px solid #dce8fa; border-top-color: var(--blue); border-radius: 50%; animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.processing-note { margin: 15px 0; padding: 11px; border-radius: 12px; color: #536984; background: #f0f5fc; font-size: 11px; }
.poll-state { font-size: 12px; }
.terminal-icon, .dialog-icon { width: 58px; height: 58px; margin: 7px auto 16px; display: grid; place-items: center; border-radius: 19px; color: var(--mint-600); background: #e9fbf4; font-size: 31px; font-weight: 900; }
.terminal-step.is-failed .terminal-icon { color: var(--red); background: #fff0f2; }
.terminal-step.is-unknown .terminal-icon { color: var(--amber); background: #fff7e7; }

.query-panel { margin-top: 24px; margin-bottom: 36px; padding: 27px; display: grid; grid-template-columns: .72fr 1.28fr; gap: 30px; align-items: start; }
.query-copy p { color: var(--muted); }
.query-form label { margin-top: 4px; }
.query-controls { display: grid; grid-template-columns: 1fr 126px; gap: 10px; }
.query-controls textarea { min-height: 112px; }
.query-button { border: 0; color: #fff; background: var(--mint-600); }
.query-results { grid-column: 1 / -1; padding-top: 19px; border-top: 1px solid #e1e9ec; }
.query-results h3 { margin: 0 0 10px; }
.query-result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.query-result {
  padding: 13px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fbfdff;
}
.query-result strong, .query-result small { overflow-wrap: anywhere; }
.query-result small { color: #75859c; }
.query-result .result-status { align-self: start; padding: 3px 8px; border-radius: 999px; color: #fff; background: var(--blue); font-size: 10px; font-weight: 850; }
.query-result[data-tone="success"] .result-status { background: var(--mint-600); }
.query-result[data-tone="failed"] .result-status { background: var(--red); }
.query-result[data-tone="unknown"] .result-status { background: var(--amber); }

.confirm-dialog { width: min(440px, calc(100% - 28px)); padding: 0; border: 0; border-radius: 23px; color: var(--ink); box-shadow: 0 30px 90px rgba(5, 18, 39, .30); }
.confirm-dialog::backdrop { background: rgba(7, 18, 35, .48); backdrop-filter: blur(3px); }
.confirm-dialog form { position: relative; padding: 27px; }
.confirm-dialog h2 { margin-bottom: 3px; }
.confirm-dialog p { color: var(--muted); font-size: 13px; }
.dialog-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 10px; color: #62748d; background: #f8fbfd; font-size: 22px; }
.dialog-icon { margin-left: 0; }
.site-footer { padding: 0 20px 28px; color: #71839a; text-align: center; font-size: 12px; }

:focus-visible { outline: 3px solid rgba(43,102,237,.35); outline-offset: 3px; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; }
  .workspace { grid-template-columns: 1fr; }
  .guide-panel { position: static; }
  .guide-list { grid-template-columns: repeat(2, 1fr); }
  .guide-list li:last-child { grid-column: 1 / -1; }
  .query-panel { grid-template-columns: 1fr; }
  .query-results { grid-column: auto; }
}

@media (max-width: 660px) {
  html { scroll-padding-top: 70px; }
  .shell, .nav-shell { width: min(100% - 22px, 1180px); }
  .nav-shell { min-height: 66px; gap: 12px; }
  .brand-copy { display: none; }
  .brand-mark { width: 39px; height: 39px; border-radius: 13px; }
  .nav-action { padding: 9px 14px; font-size: 13px; }
  .hero { margin-top: 14px; padding: 22px; border-radius: 22px; }
  h1 { font-size: 34px; }
  .hero-copy p { font-size: 14px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid div { min-height: 68px; padding: 10px; }
  .workspace { margin-top: 14px; gap: 14px; }
  .guide-panel { padding: 22px; }
  .guide-list { grid-template-columns: 1fr; }
  .guide-list li:last-child { grid-column: auto; }
  .guide-list li { min-height: 78px; padding: 13px; }
  .portal-panel { min-height: 620px; padding: 17px; border-radius: 22px; }
  .portal-banner { display: grid; gap: 3px; text-align: center; }
  .service-state { justify-self: center; }
  .plan-strip div { min-height: 65px; padding: 8px 4px; }
  .plan-strip strong { font-size: 12px; }
  .stepper li { font-size: 9px; }
  .stepper span { display: grid; margin-bottom: 3px; }
  .button-row { grid-template-columns: 1fr; }
  .button-row .secondary-button { min-height: 43px; order: 2; }
  .query-panel { margin-top: 14px; padding: 20px; gap: 12px; border-radius: 22px; }
  .query-controls { grid-template-columns: 1fr; }
  .query-button { min-height: 48px; }
  .query-result-grid { grid-template-columns: 1fr; }
  .detail-list div { grid-template-columns: 90px 1fr; }
  .confirm-dialog form { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}