:root {
  --bg: #f5f1e9;
  --bg-strong: #ebe4d8;
  --surface: #fffdf8;
  --surface-muted: #f0eadf;
  --ink: #17201f;
  --muted: #66706d;
  --soft: #8d9791;
  --line: rgba(23, 32, 31, 0.13);
  --accent: #11766f;
  --accent-dark: #0b514d;
  --accent-soft: #d8e9e4;
  --silver: #c6cac5;
  --gold: #b9985f;
  --danger: #9f5a42;
  --shadow: 0 28px 70px rgba(35, 45, 42, 0.14);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(17, 118, 111, 0.13), transparent 28rem),
    linear-gradient(180deg, #f7f3ec 0%, var(--bg) 42%, #eee7dc 100%);
  color: var(--ink);
  font-family:
    "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui,
    -apple-system, BlinkMacSystemFont, sans-serif;
  text-rendering: optimizeLegibility;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  max-width: calc(var(--max) + 48px);
  margin: 0 auto;
  padding: 18px 24px;
  backdrop-filter: blur(20px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(23, 32, 31, 0.18);
  border-radius: 16px;
  background: linear-gradient(135deg, var(--ink), #40504c);
  color: #fffdf8;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand-lockup strong {
  display: block;
  font-size: 15px;
  line-height: 1.15;
}

.brand-lockup small {
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  justify-self: center;
  display: flex;
  gap: 28px;
  color: #34403d;
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  transition: transform 180ms ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.header-cta,
.button.primary {
  background: var(--ink);
  color: #fffdf8;
}

.button.secondary {
  border-color: rgba(23, 32, 31, 0.18);
  background: rgba(255, 253, 248, 0.52);
}

.button.compact {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
}

.section-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 82px);
  padding-top: 76px;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(46px, 7vw, 86px);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.hero-copy > p {
  max-width: 700px;
  margin: 28px 0 0;
  color: #4f5b57;
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 680px;
  margin: 44px 0 0;
  padding: 1px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--line);
  overflow: hidden;
}

.trust-strip div {
  padding: 18px;
  background: rgba(255, 253, 248, 0.58);
}

.trust-strip dt {
  font-weight: 800;
}

.trust-strip dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-panel {
  position: relative;
  min-height: 600px;
  padding: 26px;
  border: 1px solid rgba(23, 32, 31, 0.14);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(255, 253, 248, 0.86), rgba(229, 222, 209, 0.72)),
    radial-gradient(circle at 30% 0%, rgba(17, 118, 111, 0.18), transparent 26rem);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  content: "";
  pointer-events: none;
}

.window-visual {
  position: relative;
  height: 338px;
  border: 1px solid rgba(23, 32, 31, 0.22);
  border-radius: 26px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.5), transparent 42%),
    linear-gradient(145deg, #d7ded8 0%, #eef0eb 36%, #9eb2ac 100%);
  overflow: hidden;
}

.window-visual::before,
.window-visual::after {
  position: absolute;
  content: "";
  background: rgba(23, 32, 31, 0.55);
}

.window-visual::before {
  top: 0;
  bottom: 0;
  left: 49%;
  width: 12px;
}

.window-visual::after {
  right: 0;
  bottom: 80px;
  left: 0;
  height: 10px;
}

.window-visual span {
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.58);
}

.window-visual span:nth-child(1) {
  width: 180px;
  height: 180px;
  right: -40px;
  top: -60px;
}

.window-visual span:nth-child(2) {
  width: 90px;
  height: 90px;
  left: 40px;
  bottom: 46px;
}

.window-visual span:nth-child(3) {
  width: 210px;
  height: 2px;
  left: 46px;
  top: 92px;
  background: rgba(255, 255, 255, 0.72);
  transform: rotate(-26deg);
}

.panel-heading {
  position: relative;
  margin-top: 24px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.panel-heading p {
  margin: 6px 0 0;
  color: var(--muted);
}

.spec-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.spec-grid article {
  padding: 18px;
  border: 1px solid rgba(23, 32, 31, 0.12);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.58);
}

.spec-grid strong,
.spec-grid span {
  display: block;
}

.spec-grid strong {
  color: var(--muted);
  font-size: 13px;
}

.spec-grid span {
  margin-top: 8px;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.panel-note {
  position: relative;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.section-intro {
  max-width: 770px;
  margin-bottom: 36px;
}

.section-intro.split {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.section-intro h2,
.report-card h2,
.compliance-panel h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.03;
  letter-spacing: -0.06em;
}

.section-intro p,
.report-card p,
.compliance-panel p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.78;
}

.text-link {
  flex: 0 0 auto;
  color: var(--accent-dark);
  font-weight: 800;
  border-bottom: 1px solid currentColor;
}

.fact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 20px;
}

.product-card,
.audit-table,
.query-builder,
.report-card,
.compliance-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.74);
  box-shadow: 0 18px 45px rgba(35, 45, 42, 0.07);
}

.product-card,
.audit-table {
  padding: 26px;
}

.product-card h3,
.audit-table h3,
.query-builder h3 {
  margin: 0 0 18px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

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

.clean-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.clean-list span {
  color: var(--muted);
}

.clean-list strong {
  text-align: right;
}

.table-row {
  display: grid;
  grid-template-columns: 1fr 120px 1.15fr;
  gap: 18px;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  color: #34403d;
}

.table-row:last-child {
  border-bottom: 0;
}

.table-head {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.status {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.status.ready {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.status.review {
  background: #eee3c8;
  color: #775c15;
}

.status.pending {
  background: #f1dcd4;
  color: var(--danger);
}

.evidence {
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.26), rgba(255, 253, 248, 0)),
    transparent;
}

.evidence-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.evidence-card {
  min-height: 260px;
  padding: 22px;
  border: 1px solid rgba(23, 32, 31, 0.12);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.82), rgba(242, 236, 225, 0.72));
}

.evidence-type {
  display: block;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.evidence-card h3 {
  margin: 46px 0 12px;
  font-size: 21px;
  letter-spacing: -0.03em;
}

.evidence-card p {
  color: var(--muted);
  line-height: 1.72;
}

.evidence-card small {
  display: block;
  margin-top: 22px;
  color: var(--soft);
}

.evidence-card textarea {
  width: 100%;
  margin-top: 8px;
  padding: 14px;
  border: 1px solid rgba(23, 32, 31, 0.16);
  border-radius: 16px;
  background: rgba(255, 253, 248, 0.86);
  color: var(--ink);
  font: 14px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  resize: vertical;
}

.field-label {
  display: block;
  margin-top: 16px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.question-board {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 22px;
  align-items: start;
}

.question-tabs {
  grid-column: 1 / 2;
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.5);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
}

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

.question-list {
  grid-column: 1 / 2;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  counter-reset: questions;
  list-style: none;
}

.question-list li {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 66px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 253, 248, 0.72);
  color: #26312e;
  font-weight: 700;
}

.question-list li::before {
  display: grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-muted);
  color: var(--accent-dark);
  content: counter(questions, decimal-leading-zero);
  counter-increment: questions;
  font-size: 12px;
  font-weight: 900;
}

.query-builder {
  grid-row: 1 / span 2;
  grid-column: 2 / 3;
  padding: 24px;
}

.query-builder p {
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.62;
}

.query-builder .button {
  margin-top: 18px;
}

.workflow-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.workflow-track article {
  min-height: 260px;
  padding: 28px 22px;
  border-right: 1px solid var(--line);
}

.workflow-track article:last-child {
  border-right: 0;
}

.workflow-track span {
  color: var(--accent);
  font-weight: 900;
}

.workflow-track h3 {
  margin: 62px 0 12px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.workflow-track p {
  color: var(--muted);
  line-height: 1.7;
}

.report-card {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 28px;
  align-items: center;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(23, 32, 31, 0.96), rgba(13, 76, 72, 0.94)),
    var(--ink);
  color: #fffdf8;
}

.report-card p {
  color: rgba(255, 253, 248, 0.68);
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.report-grid article {
  min-height: 136px;
  padding: 20px;
  border: 1px solid rgba(255, 253, 248, 0.16);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.08);
}

.report-grid strong {
  display: block;
  font-size: 34px;
  letter-spacing: -0.05em;
}

.report-grid span {
  display: block;
  margin-top: 24px;
  color: rgba(255, 253, 248, 0.7);
}

.compliance-panel {
  padding: 34px;
}

.compliance-panel ul {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.compliance-panel li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 253, 248, 0.56);
  color: #34403d;
}

.site-footer {
  display: flex;
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 8px 0 0;
  color: var(--muted);
}

.page-hero {
  padding-top: 86px;
  padding-bottom: 56px;
}

.page-hero h1 {
  max-width: 900px;
  margin: 18px 0 0;
  font-size: clamp(44px, 6vw, 78px);
  font-weight: 850;
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.page-hero p {
  max-width: 780px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.82;
}

.breadcrumb {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--soft);
  font-size: 14px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--accent-dark);
}

.compact-shell {
  padding-top: 34px;
  padding-bottom: 34px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.content-card {
  grid-column: span 6;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.76);
  box-shadow: 0 18px 45px rgba(35, 45, 42, 0.06);
}

.span-5 {
  grid-column: span 5;
}

.span-4 {
  grid-column: span 4;
}

.span-6 {
  grid-column: span 6;
}

.span-7 {
  grid-column: span 7;
}

.content-card h2,
.article-body h2 {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.content-card p {
  color: var(--muted);
  line-height: 1.78;
}

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

.data-table th,
.data-table td {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.7;
}

.data-table th {
  width: 150px;
  color: var(--muted);
  font-size: 14px;
  text-align: left;
}

.data-table td {
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.72);
}

.table-wrap table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
}

.table-wrap th,
.table-wrap td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

.table-wrap th {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
  background: rgba(234, 226, 211, 0.34);
}

.table-wrap tr:last-child td {
  border-bottom: 0;
}

pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: var(--radius);
  background: #202824;
  color: #f7efe2;
  line-height: 1.62;
}

.check-list,
.link-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.link-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: #34403d;
  line-height: 1.65;
}

.link-list a {
  color: var(--accent-dark);
  font-weight: 800;
}

.metric-band,
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.metric-band article,
.platform-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 253, 248, 0.74);
}

.metric-band strong,
.platform-grid strong {
  display: block;
  color: var(--accent-dark);
  font-size: 32px;
  letter-spacing: -0.04em;
}

.metric-band span,
.platform-grid span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-weight: 700;
}

.fine-print {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.evidence-ledger,
.question-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.evidence-ledger article,
.question-matrix article {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.82), rgba(242, 236, 225, 0.74));
}

.evidence-ledger span,
.question-matrix span {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.evidence-ledger h2,
.question-matrix h2 {
  margin: 46px 0 12px;
  font-size: 25px;
  letter-spacing: -0.04em;
}

.evidence-ledger p,
.question-matrix p {
  color: var(--muted);
  line-height: 1.72;
}

.evidence-ledger small {
  color: var(--soft);
}

.article-shell {
  max-width: 920px;
  margin: 0 auto;
  padding: 86px 24px 120px;
}

.article-body {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.78);
  box-shadow: var(--shadow);
}

.article-body h1 {
  margin: 20px 0 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.article-meta {
  margin: 18px 0 30px;
  color: var(--soft);
  font-size: 14px;
  font-weight: 700;
}

.article-body p {
  color: #46524f;
  font-size: 18px;
  line-height: 1.9;
}

.article-body h2 {
  margin-top: 42px;
}

.callout {
  margin-top: 36px;
  padding: 22px;
  border-left: 4px solid var(--accent);
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 800;
  line-height: 1.78;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    display: none;
  }

  .hero,
  .fact-layout,
  .question-board,
  .report-card {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 36px;
  }

  .hero-panel {
    min-height: auto;
  }

  .query-builder {
    grid-row: auto;
    grid-column: auto;
  }

  .question-tabs,
  .question-list {
    grid-column: auto;
  }

  .evidence-rail {
    grid-template-columns: repeat(2, 1fr);
  }

  .workflow-track {
    grid-template-columns: 1fr;
  }

  .workflow-track article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .content-grid,
  .metric-band,
  .platform-grid,
  .evidence-ledger,
  .question-matrix {
    grid-template-columns: 1fr;
  }

  .content-card,
  .span-4,
  .span-5,
  .span-6,
  .span-7 {
    grid-column: auto;
  }
}

@media (max-width: 680px) {
  .section-shell {
    padding: 72px 18px;
  }

  .site-header {
    padding: 14px 18px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 48px;
  }

  .hero h1 {
    font-size: 45px;
  }

  .hero-copy > p,
  .section-intro p,
  .report-card p,
  .compliance-panel p {
    font-size: 16px;
  }

  .trust-strip,
  .spec-grid,
  .evidence-rail,
  .report-grid {
    grid-template-columns: 1fr;
  }

  .section-intro.split,
  .site-footer,
  .clean-list li,
  .table-row {
    display: block;
  }

  .text-link {
    display: inline-flex;
    margin-top: 18px;
  }

  .clean-list strong {
    display: block;
    margin-top: 6px;
    text-align: left;
  }

  .table-row span {
    display: block;
    margin: 8px 0;
  }

  .window-visual {
    height: 260px;
  }

  .page-hero h1,
  .article-body h1 {
    font-size: 42px;
  }

  .article-shell {
    padding: 48px 18px 82px;
  }

  .article-body {
    padding: 24px;
  }

  .data-table th,
  .data-table td {
    display: block;
    width: 100%;
  }

  .data-table td {
    padding-top: 0;
  }
}