:root {
  color-scheme: light;
  --font-sans: "MiSans", "Alibaba PuHuiTi 3.0", "HarmonyOS Sans SC", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  --font-display: "MiSans", "Alibaba PuHuiTi 3.0", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", ui-sans-serif, sans-serif;
  --ink: #0f1b2d;
  --muted: #66758a;
  --line: #dce8f6;
  --blue: #2677ff;
  --blue-deep: #1457d9;
  --cyan: #13b8d8;
  --mint: #12b981;
  --amber: #f59e0b;
  --red: #ef4444;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}
body {
  margin: 0;
  overflow-x: hidden;
  background: #f8fbff;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.site-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background:
    linear-gradient(rgba(38, 119, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 119, 255, 0.055) 1px, transparent 1px),
    linear-gradient(135deg, rgba(38, 119, 255, 0.08), transparent 26%),
    #f8fbff;
  background-size: 56px 56px, 56px 56px, auto, auto;
}

.blueprint-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 58%, rgba(19, 184, 216, 0.1) 58.2%, transparent 58.6%),
    linear-gradient(35deg, transparent 0 68%, rgba(38, 119, 255, 0.08) 68.2%, transparent 68.6%);
}

.site-header {
  width: min(1180px, calc(100% - 48px));
  min-height: 74px;
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 40;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  border: 1px solid rgba(220, 232, 246, 0.9);
  border-radius: 8px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px) saturate(135%);
  box-shadow: 0 18px 44px rgba(15, 38, 72, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #10223c;
  font-weight: 900;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: transparent;
}
.brand-logo {
  width: 34px;
  height: 34px;
  display: block;
  object-fit: contain;
}

.nav,
.header-actions {
  display: flex;
  align-items: center;
}
.nav {
  gap: 28px;
  color: #42516a;
  font-size: 15px;
  font-weight: 700;
}
.nav a {
  transition: color 0.18s ease, transform 0.18s ease;
}
.nav a:hover {
  color: var(--blue-deep);
  transform: translateY(-1px);
}
.header-actions {
  justify-content: flex-end;
  gap: 12px;
}
.login-btn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  background: rgba(255, 255, 255, 0.72);
  color: #10223c;
  font-weight: 900;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.login-btn:hover {
  border-color: rgba(38, 119, 255, 0.42);
  color: var(--blue-deep);
  transform: translateY(-1px);
}
.start-btn,
.analysis-bottom button,
.verify-row button {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(38, 119, 255, 0.24);
}
.start-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
}
button:disabled,
input:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

.hero-section {
  width: min(1120px, calc(100% - 48px));
  margin: 144px auto 0;
  position: relative;
  z-index: 1;
  text-align: center;
}

.notice-bar {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.88);
  color: #41516a;
  box-shadow: 0 12px 28px rgba(15, 38, 72, 0.08);
}
.notice-bar span {
  border-radius: 999px;
  padding: 5px 11px;
  background: #e9f3ff;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 900;
}
.notice-bar strong { color: #10223c; }
.notice-bar em {
  color: var(--muted);
  font-style: normal;
}

.hero-copy {
  max-width: 890px;
  margin: 58px auto 0;
}
.kicker,
.pill-title {
  margin: 0;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 {
  margin: 12px 0 0;
  color: #10223c;
  font-family: var(--font-display);
  font-size: clamp(46px, 5.2vw, 64px);
  line-height: 1.12;
  font-weight: 800;
}
h1 .headline-brand,
h1 .headline-health {
  display: inline-block;
  background: linear-gradient(90deg, #2677ff 0%, #13b8d8 58%, #12b981 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h1 .headline-health { margin-left: 0.16em; }
.lead {
  max-width: 720px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}
.proof-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
}
.proof-row span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  background: rgba(255, 255, 255, 0.82);
  color: #42516a;
  font-weight: 700;
}

.diagnosis-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 18px;
  margin-top: 40px;
  text-align: left;
}
.analysis-card,
.signal-panel,
.report-card,
.case-card,
.insight-grid article,
.flow-grid article,
.plans-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 22px 60px rgba(20, 57, 99, 0.1);
}
.analysis-card,
.signal-panel {
  min-height: 100%;
  overflow: hidden;
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px 0;
}
.panel-title span {
  width: 32px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #eaf4ff;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 900;
}
.panel-title strong { font-size: 16px; }
.analysis-card textarea {
  width: 100%;
  min-height: 152px;
  border: 0;
  padding: 22px 24px 18px;
  resize: none;
  outline: none;
  color: #12233a;
  line-height: 1.7;
  background: transparent;
}
.analysis-card textarea::placeholder,
.mini-input input::placeholder,
.verify-row input::placeholder {
  color: #aeb8c7;
  font-weight: 700;
}
.brand-name-row {
  border-top: 1px solid #edf3fb;
  padding: 16px 20px 0;
}
.analysis-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  padding: 14px 20px 18px;
}
.mini-input span,
.verify-row span {
  display: block;
  margin-bottom: 6px;
  color: #68788e;
  font-size: 12px;
}
.mini-input input,
.verify-row input {
  width: 100%;
  min-height: 42px;
  border: 1px solid #dce6f2;
  border-radius: 8px;
  padding: 9px 12px;
  outline: none;
  background: #fff;
}
.mini-input input:focus,
.verify-row input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(38, 119, 255, 0.12);
}
.analysis-bottom button,
.verify-row button { padding: 10px 20px; }
.verify-row {
  display: none;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  border-top: 1px solid #edf3fb;
  padding: 16px 20px 18px;
}
.analysis-card.code-sent .verify-row { display: grid; }
.analysis-card.is-submitted textarea,
.analysis-card.is-submitted .brand-name-row,
.analysis-card.is-submitted .analysis-bottom,
.analysis-card.is-submitted .verify-row,
.analysis-card.is-submitted .form-message {
  display: none;
}
.form-message {
  margin: 0;
  padding: 0 20px 18px;
  color: #68788e;
  font-size: 13px;
}
.form-message.success { color: var(--mint); font-weight: 800; }
.form-message.error { color: var(--red); font-weight: 800; }
.queue-success {
  margin: 0 20px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(20, 184, 166, 0.24);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(236, 253, 245, 0.96), rgba(239, 246, 255, 0.96));
}
.queue-success[hidden] {
  display: none;
}
.queue-success span,
.queue-success strong,
.queue-success p {
  display: block;
}
.queue-success span {
  color: #059669;
  font-size: 12px;
  font-weight: 900;
}
.queue-success strong {
  margin-top: 6px;
  color: #10223c;
  font-size: 18px;
  line-height: 1.45;
}
.queue-success p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.queue-success button {
  padding: 11px 20px;
  white-space: nowrap;
}
.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.signal-panel { padding-bottom: 18px; }
.score-card { padding: 24px 24px 18px; }
.score-card em,
.score-card span,
.signal-list em {
  color: var(--muted);
  font-style: normal;
}
.score-card strong {
  display: block;
  margin: 6px 0 4px;
  color: #10223c;
  font-size: 54px;
  line-height: 1;
}
.signal-list { border-top: 1px solid #edf3fb; }
.signal-list article {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  align-items: start;
  padding: 15px 24px;
  border-bottom: 1px solid #edf3fb;
}
.signal-list article:last-child { border-bottom: 0; }
.dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
}
.is-blue { background: var(--blue); }
.is-cyan { background: var(--cyan); }
.is-red { background: var(--red); }
.signal-list strong,
.signal-list em { display: block; }
.signal-list em {
  margin-top: 3px;
  font-size: 13px;
}

.quick-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: #738299;
}
.quick-tags button {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  background: #fff;
  color: #41516a;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(20, 57, 99, 0.06);
}

.insight-section,
.data-section,
.report-preview,
.flow-section,
.plans-section {
  width: min(1120px, calc(100% - 48px));
  margin: 110px auto 0;
  position: relative;
  z-index: 1;
}
.plans-section { padding-bottom: 96px; }
.section-head {
  max-width: 760px;
  margin: 0 auto 28px;
  text-align: center;
}
.section-head h2 {
  margin: 12px 0 0;
  color: #10223c;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.25;
  font-weight: 800;
}

.insight-grid,
.case-grid,
.score-grid,
.flow-grid,
.plans-grid {
  display: grid;
  gap: 14px;
}
.insight-grid { grid-template-columns: repeat(3, 1fr); }
.case-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 14px;
}
.case-card {
  min-height: 272px;
  padding: 24px;
  box-shadow: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.case-card:hover {
  border-color: rgba(38, 119, 255, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(20, 57, 99, 0.1);
}
.case-kicker {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border-radius: 999px;
  padding: 5px 10px;
  background: #eaf4ff;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 900;
}
.case-card strong {
  display: block;
  margin-top: 16px;
  color: #10223c;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.35;
  font-weight: 800;
}
.case-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.75;
}
.case-info {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  color: #42516a;
  font-size: 13px;
  line-height: 1.55;
}
.case-info span {
  display: block;
}
.case-info b {
  margin-right: 8px;
  color: #10223c;
  font-weight: 900;
}
.case-info a {
  color: var(--blue-deep);
  font-weight: 800;
  word-break: break-all;
}
.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 18px;
}
.case-metrics span {
  border: 1px solid #edf3fb;
  border-radius: 8px;
  padding: 9px 8px;
  background: #f8fbff;
  color: #42516a;
  font-size: 12px;
}
.case-metrics b {
  display: block;
  color: #10223c;
  font-size: 18px;
}
.platform-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}
.platform-strip span,
.platform-strip strong {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 14px;
}
.platform-strip span {
  color: #738299;
}
.platform-strip strong {
  border: 1px solid var(--line);
  background: #fff;
  color: #10223c;
  font-size: 14px;
}
.insight-grid article,
.flow-grid article,
.plans-grid article {
  box-shadow: none;
  padding: 22px;
}
.insight-grid span,
.flow-grid span,
.plans-grid span {
  color: var(--blue-deep);
  font-weight: 900;
}
.insight-grid strong,
.flow-grid strong,
.plans-grid strong {
  display: block;
  margin-top: 16px;
  color: #10223c;
  font-size: 20px;
}
.insight-grid p,
.plans-grid p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.report-card { padding: 24px; }
.report-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: start;
  border-bottom: 1px solid #edf3fb;
  padding-bottom: 18px;
}
.report-head span,
.report-head em,
.score-grid span,
.score-grid em {
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
}
.report-head strong {
  display: block;
  margin-top: 5px;
  font-size: 20px;
}
.score-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 18px;
}
.score-grid article {
  border: 1px solid #edf3fb;
  border-radius: 8px;
  padding: 16px;
  background: #f8fbff;
}
.score-grid strong {
  display: block;
  margin: 8px 0 4px;
  color: #10223c;
  font-size: 34px;
}
.report-table {
  margin-top: 18px;
  border: 1px solid #edf3fb;
  border-radius: 8px;
  overflow: hidden;
}
.report-table > div {
  min-height: 52px;
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 0.7fr);
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid #edf3fb;
  padding: 0 16px;
}
.report-table > div:last-child { border-bottom: 0; }
.thead {
  background: #f4f9ff;
  color: #60728a;
  font-weight: 900;
}
.good { color: var(--mint); font-weight: 900; }
.warn { color: var(--amber); font-weight: 900; }
.risk { color: var(--red); font-weight: 900; }

.flow-grid { grid-template-columns: repeat(5, 1fr); }
.flow-grid article { min-height: 160px; }
.flow-grid em {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  line-height: 1.6;
}
.plans-grid { grid-template-columns: repeat(3, 1fr); }
.plans-grid article { min-height: 180px; }

.company-section {
  width: min(1120px, calc(100% - 48px));
  margin: 112px auto 86px;
  position: relative;
  z-index: 1;
}
.company-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 36px;
  align-items: center;
  border: 1px solid rgba(220, 232, 246, 0.95);
  border-radius: 8px;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(38, 119, 255, 0.08), rgba(19, 184, 216, 0.04)),
    rgba(255, 255, 255, 0.92);
  box-shadow: 0 24px 62px rgba(15, 38, 72, 0.1);
}
.company-copy h2 {
  margin: 10px 0 0;
  color: #10223c;
  font-size: 31px;
  line-height: 1.25;
}
.company-copy p:not(.pill-title) {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.85;
}
.company-facts {
  display: grid;
  gap: 12px;
}
.company-facts article {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  align-items: center;
  border: 1px solid #edf3fb;
  border-radius: 8px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.78);
}
.company-facts span {
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 900;
}
.company-facts strong {
  color: #10223c;
  font-size: 16px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }
  .nav {
    display: none;
  }
  .diagnosis-workspace,
  .analysis-bottom,
  .verify-row,
  .insight-grid,
    .case-grid,
    .score-grid,
    .flow-grid,
    .plans-grid,
    .company-card,
    .company-facts article {
    grid-template-columns: 1fr;
  }
  .company-card { gap: 22px; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 86px; }
  .site-shell {
    background-size: 42px 42px, 42px 42px, auto, auto;
  }
  .site-header,
  .hero-section,
  .insight-section,
  .data-section,
  .report-preview,
    .flow-section,
  .plans-section,
  .company-section {
    width: calc(100% - 32px);
  }
  .site-header {
    min-height: 62px;
    top: 14px;
    padding: 0 12px;
  }
  .header-actions { display: none; }
  .brand strong { font-size: 14px; }
  .hero-section { margin-top: 112px; }
  .notice-bar {
    width: 100%;
    justify-content: center;
    border-radius: 8px;
    padding: 12px;
    gap: 8px;
    overflow: hidden;
  }
  .notice-bar em { display: none; }
  .notice-bar span { flex: 0 0 auto; }
  .notice-bar strong {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
  }
  .hero-copy { margin-top: 38px; }
  h1 {
    max-width: 350px;
    margin-left: auto;
    margin-right: auto;
    font-size: 35px;
    line-height: 1.14;
  }
  h1 .headline-brand,
  h1 .headline-health {
    display: block;
  }
  h1 .headline-health { margin-left: 0; }
  .lead {
    max-width: 330px;
    font-size: 15px;
    line-height: 1.85;
  }
  .proof-row {
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
  }
  .proof-row span {
    padding: 7px 12px;
    font-size: 14px;
  }
  .diagnosis-workspace { margin-top: 28px; }
  .analysis-card textarea {
    min-height: 164px;
    padding: 20px 18px 16px;
  }
  .brand-name-row {
    padding: 14px 18px 0;
  }
  .analysis-bottom,
  .verify-row {
    padding: 14px 18px 16px;
  }
  .analysis-bottom button,
  .verify-row button {
    width: 100%;
  }
  .queue-success {
    grid-template-columns: 1fr;
    margin: 0 18px 18px;
  }
  .queue-success button {
    width: 100%;
  }
  .quick-tags {
    max-width: 340px;
    margin-left: auto;
    margin-right: auto;
  }
  .section-head h2 {
    max-width: 330px;
    margin-left: auto;
    margin-right: auto;
    font-size: 24px;
    line-height: 1.3;
  }
  .case-card { padding: 20px; }
  .case-metrics {
    grid-template-columns: 1fr;
  }
  .report-card { padding: 18px; }
  .report-head { display: block; }
  .report-head em {
    display: block;
    margin-top: 10px;
  }
  .report-table > div {
    grid-template-columns: 1fr 52px 52px 66px;
    gap: 8px;
    padding: 0 10px;
    font-size: 13px;
  }
  .company-section {
    margin-top: 72px;
    margin-bottom: 56px;
  }
  .company-card {
    padding: 22px;
  }
  .company-copy h2 {
    font-size: 24px;
  }
  .company-facts article {
    gap: 8px;
  }
}