:root {
  color-scheme: dark;
  --bg: #090d12;
  --panel: #101820;
  --panel-strong: #17232d;
  --ink: #f3f7f5;
  --muted: #9eb0b5;
  --line: rgba(255, 255, 255, 0.11);
  --blue: #30a8ff;
  --green: #19d6a3;
  --orange: #ff9a3d;
  --danger: #ff6d6d;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(48, 168, 255, 0.22), transparent 24rem),
    radial-gradient(circle at 82% 18%, rgba(25, 214, 163, 0.16), transparent 28rem),
    linear-gradient(180deg, #070a0e 0%, var(--bg) 46%, #0b1117 100%);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 13, 18, 0.82);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(var(--max), calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(48, 168, 255, 0.55);
  background: linear-gradient(135deg, rgba(48, 168, 255, 0.22), rgba(25, 214, 163, 0.2));
  display: grid;
  place-items: center;
  color: var(--green);
  font-size: 16px;
  font-weight: 900;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: rgba(48, 168, 255, 0.72);
  background: rgba(48, 168, 255, 0.12);
}

.button.primary {
  border-color: rgba(48, 168, 255, 0.72);
  background: linear-gradient(135deg, var(--blue), #1162ff);
  color: #fff;
}

.button.secondary {
  border-color: rgba(25, 214, 163, 0.62);
  background: rgba(25, 214, 163, 0.12);
  color: #d8fff5;
}

.button.orange {
  border-color: rgba(255, 154, 61, 0.7);
  background: rgba(255, 154, 61, 0.13);
  color: #ffe0c3;
}

.button[disabled] {
  opacity: 0.58;
  cursor: not-allowed;
  transform: none;
}

.section {
  padding: 84px 0;
}

.section.tight {
  padding: 56px 0;
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 72px);
  padding: 72px 0 48px;
  display: grid;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: #b7fff0;
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 24px rgba(25, 214, 163, 0.7);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-bottom: 22px;
  color: #d5e1e3;
  font-size: clamp(18px, 2.2vw, 25px);
  line-height: 1.5;
}

.sublead {
  max-width: 720px;
  color: var(--muted);
  font-size: 16px;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.proof-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 38px;
  max-width: 680px;
}

.proof {
  border-left: 2px solid rgba(25, 214, 163, 0.75);
  padding: 8px 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
}

.proof strong {
  display: block;
  color: var(--ink);
  font-size: 20px;
}

.report-card,
.panel,
.entry-card,
.case-card,
.type-pill,
.faq-item,
.form-shell,
.report-block {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.report-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: 8px;
}

.report-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(48, 168, 255, 0.16), transparent 42%, rgba(25, 214, 163, 0.12));
}

.report-card > * {
  position: relative;
}

.report-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.report-head h2 {
  margin-bottom: 6px;
  font-size: 22px;
}

.status {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(25, 214, 163, 0.5);
  border-radius: 999px;
  padding: 4px 10px;
  color: #cffff5;
  background: rgba(25, 214, 163, 0.11);
  font-size: 12px;
  white-space: nowrap;
}

.report-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.report-list li {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 14px;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 9, 13, 0.46);
  border-radius: 8px;
}

.report-list span {
  color: var(--muted);
  font-size: 13px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
  margin-bottom: 28px;
}

.section-head h2,
.page-head h1 {
  margin-bottom: 10px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.13;
}

.section-head p,
.page-head p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
}

.two-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.entry-card,
.panel {
  padding: 28px;
  border-radius: 8px;
}

.entry-card h3,
.panel h3,
.case-card h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.entry-card p,
.panel p,
.case-card p {
  color: var(--muted);
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  counter-reset: flow;
}

.step {
  min-height: 210px;
  padding: 22px;
  border-top: 2px solid rgba(48, 168, 255, 0.68);
  counter-increment: flow;
}

.step::before {
  content: "0" counter(flow);
  display: block;
  margin-bottom: 42px;
  color: rgba(25, 214, 163, 0.9);
  font-weight: 900;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.case-card {
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: 22px;
  border-radius: 8px;
}

.case-meta,
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: #c2d0d4;
  font-size: 12px;
}

.case-card dl {
  display: grid;
  gap: 10px;
  margin: 0;
  color: var(--muted);
}

.case-card dt {
  color: var(--green);
  font-weight: 800;
}

.case-card dd {
  margin: 0;
}

.type-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.type-pill {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-radius: 8px;
  color: #dce8e9;
  text-align: center;
  font-weight: 800;
}

.option-grid,
.faq-grid,
.report-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.faq-item,
.report-block {
  padding: 22px;
  border-radius: 8px;
}

.faq-item h3,
.report-block h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.faq-item p,
.report-block p,
.report-block li {
  color: var(--muted);
}

.cta-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(48, 168, 255, 0.16), rgba(25, 214, 163, 0.12)),
    rgba(255, 255, 255, 0.03);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-footer {
  padding: 34px 0;
  color: var(--muted);
}

.footer-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.page-head {
  padding: 72px 0 42px;
}

.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 28px;
  align-items: start;
}

.form-shell {
  padding: 26px;
  border-radius: 8px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  color: #dce8e9;
  font-weight: 800;
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 11px 12px;
  background: rgba(3, 7, 10, 0.62);
  color: var(--ink);
  font: inherit;
  outline: none;
}

textarea {
  min-height: 132px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(48, 168, 255, 0.8);
  box-shadow: 0 0 0 3px rgba(48, 168, 255, 0.15);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.choice {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: #d7e4e6;
  background: rgba(255, 255, 255, 0.035);
  font-weight: 700;
  font-size: 13px;
}

.choice input {
  width: 16px;
  min-height: 16px;
}

.error-text {
  min-height: 20px;
  color: var(--danger);
  font-size: 13px;
}

.success-panel {
  display: none;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(25, 214, 163, 0.46);
  border-radius: 8px;
  background: rgba(25, 214, 163, 0.11);
  color: #d9fff6;
}

.success-panel.is-visible {
  display: block;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-button {
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.05);
  color: #d8e4e6;
  cursor: pointer;
}

.filter-button.is-active {
  border-color: rgba(48, 168, 255, 0.75);
  background: rgba(48, 168, 255, 0.14);
}

.report-page-card {
  border-left: 3px solid var(--green);
}

@media (max-width: 960px) {
  .nav {
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero-grid,
  .form-layout {
    grid-template-columns: 1fr;
  }

  .flow,
  .cases-grid,
  .option-grid,
  .faq-grid,
  .report-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .type-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cta-inner,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 58px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .nav-actions {
    width: 100%;
  }

  .nav-actions .button {
    flex: 1;
  }

  .proof-row,
  .two-grid,
  .flow,
  .cases-grid,
  .type-grid,
  .option-grid,
  .faq-grid,
  .report-grid,
  .field-grid,
  .choice-grid {
    grid-template-columns: 1fr;
  }

  .report-list li {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}