:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef3f7;
  --text: #17202a;
  --muted: #5b6777;
  --line: #d8e0e8;
  --brand: #1268b3;
  --brand-2: #0f8a6f;
  --warn: #b56b12;
  --bad: #b73535;
  --pet: #c25577;
  --radius: 8px;
  --shadow: 0 12px 30px rgba(24, 39, 60, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: #17324d;
  color: #fff;
  font-size: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

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

.container {
  width: min(1180px, calc(100vw - 36px));
  margin: 0 auto;
}

.hero {
  min-height: 560px;
  display: grid;
  align-items: center;
  padding: 56px 0 34px;
  background:
    linear-gradient(90deg, rgba(246,247,249,0.98) 0%, rgba(246,247,249,0.88) 48%, rgba(246,247,249,0.58) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='720' viewBox='0 0 1200 720'%3E%3Crect width='1200' height='720' fill='%23dde8ef'/%3E%3Cg fill='none' stroke='%239db3c2' stroke-width='2'%3E%3Cpath d='M80 490 C220 380 330 540 480 420 S760 330 920 410 1080 370 1160 300'/%3E%3Cpath d='M120 260 h180 v110 H120zM405 180 h230 v155H405zM760 235 h300 v210H760z'/%3E%3Cpath d='M210 260v-62h310M635 258h125M910 235V120H560'/%3E%3C/g%3E%3Cg fill='%2317324d' opacity='.9'%3E%3Ccircle cx='210' cy='315' r='16'/%3E%3Ccircle cx='520' cy='258' r='16'/%3E%3Ccircle cx='910' cy='340' r='16'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover;
  background-position: center right;
}

.hero h1 {
  max-width: 760px;
  margin: 0 0 18px;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero p {
  max-width: 640px;
  margin: 0 0 28px;
  color: #334155;
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 6px;
  border: 1px solid var(--brand);
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.btn.secondary {
  background: #fff;
  color: var(--brand);
}

.btn.dark {
  background: #17324d;
  border-color: #17324d;
}

.section { padding: 54px 0; }
.section.compact { padding: 34px 0; }

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.section-head h2,
.page-title h1 {
  margin: 0;
  font-size: clamp(24px, 3.5vw, 38px);
  line-height: 1.2;
}

.section-head p,
.page-title p {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 680px;
}

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

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

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.tool-card {
  min-height: 238px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
  color: var(--muted);
  background: #fff;
  font-size: 12px;
  font-weight: 700;
}

.tool-card h3,
.card h3 {
  margin: 14px 0 8px;
  font-size: 21px;
  line-height: 1.3;
}

.tool-card p,
.card p,
.list li {
  color: var(--muted);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.metric {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.metric strong {
  display: block;
  font-size: 28px;
  line-height: 1.1;
}

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

.product-band {
  background: #17324d;
  color: #fff;
}

.product-band .section-head p,
.product-band .card p,
.product-band .list li { color: rgba(255,255,255,.74); }

.product-band .card {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.18);
  box-shadow: none;
}

.visual-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.dashboard-preview {
  min-height: 280px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 16px;
}

.preview-bar {
  display: flex;
  gap: 8px;
  align-items: center;
}

.dot { width: 9px; height: 9px; border-radius: 50%; background: #cbd5e1; }
.dot.ok { background: var(--brand-2); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); }

.chart {
  display: grid;
  grid-template-columns: repeat(28, 1fr);
  align-items: end;
  gap: 3px;
  min-height: 170px;
  border-bottom: 1px solid var(--line);
}

.bar {
  background: #9ac5e4;
  min-height: 4px;
  border-radius: 3px 3px 0 0;
}

.bar.fail { background: var(--bad); height: 100% !important; }

.timeline {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.timeline-time {
  color: var(--brand);
  font-weight: 800;
}

.list {
  margin: 12px 0 0;
  padding-left: 18px;
}

.list li { margin: 8px 0; }

.page-hero {
  padding: 56px 0 36px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.page-title {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 32px;
  align-items: center;
}

.notice {
  border-left: 4px solid var(--brand);
  background: #fff;
  padding: 14px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  font-size: 13px;
  font-weight: 800;
}

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

.product-preview {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.product-preview h3 {
  margin: 0;
  padding: 16px 18px 0;
  font-size: 18px;
}

.product-preview p {
  margin: 6px 18px 16px;
  color: var(--muted);
}

.mock-browser {
  margin: 0 18px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  overflow: hidden;
}

.mock-topbar {
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.mock-topbar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
}

.mock-studio {
  display: grid;
  grid-template-columns: 170px 1fr;
  min-height: 270px;
}

.mock-sidebar {
  padding: 14px;
  border-right: 1px solid var(--line);
  background: #f5f1eb;
}

.mock-sidebar strong {
  display: block;
  margin-bottom: 14px;
}

.mock-menu {
  display: grid;
  gap: 8px;
}

.mock-menu span {
  padding: 8px 10px;
  border-radius: 5px;
  color: var(--muted);
}

.mock-menu .active {
  background: #f1dfe3;
  color: #c25577;
  font-weight: 800;
}

.mock-workspace {
  padding: 18px;
}

.mock-alert {
  padding: 10px 12px;
  border: 1px solid #efc5d1;
  border-radius: 6px;
  background: #fff7fb;
  color: #8f4560;
  font-size: 13px;
}

.mock-textarea,
.mock-result {
  margin-top: 12px;
  min-height: 118px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f5f2ee;
  padding: 12px;
  color: #8a8177;
}

.mock-button {
  display: inline-flex;
  margin-top: 12px;
  min-height: 34px;
  align-items: center;
  padding: 0 14px;
  border-radius: 6px;
  background: #c85c7a;
  color: #fff;
  font-weight: 800;
}

.mock-detector {
  min-height: 270px;
  padding: 22px;
  background: linear-gradient(135deg, #cfe3f8, #d7d0f4);
}

.mock-detector-inner {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 16px;
}

.mock-sample,
.mock-score {
  border-radius: 8px;
  background: #fff;
  padding: 16px;
  border: 1px solid rgba(255,255,255,.65);
}

.mock-sample-lines {
  display: grid;
  gap: 7px;
  margin-top: 14px;
}

.mock-sample-lines span {
  height: 9px;
  border-radius: 5px;
  background: #e7f3e4;
}

.mock-ring {
  width: 112px;
  height: 112px;
  margin: 26px auto 14px;
  border-radius: 50%;
  background: conic-gradient(#b8e4a8 0 350deg, #f3d3d3 350deg 360deg);
  display: grid;
  place-items: center;
}

.mock-ring::after {
  content: "0%";
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #fff;
  font-weight: 900;
}

.mock-zhibo-admin {
  min-height: 300px;
  display: grid;
  grid-template-columns: 170px 1fr;
  background: #f7f2ea;
}

.mock-product-list {
  padding: 14px;
  border-right: 1px solid var(--line);
}

.mock-product-list .add {
  display: block;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  color: #fff;
  background: #c75b53;
  font-weight: 900;
  margin-bottom: 12px;
}

.mock-product-list span:not(.add) {
  display: block;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fffdf9;
  margin-bottom: 8px;
  font-weight: 800;
}

.mock-form {
  padding: 18px;
}

.mock-form h4 {
  margin: 0 0 14px;
  font-size: 22px;
}

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

.mock-field {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.mock-display {
  min-height: 300px;
  display: grid;
  grid-template-columns: 42% 58%;
  background: #faf7ef;
}

.mock-display-list {
  padding: 18px;
  border-right: 1px solid var(--line);
}

.mock-display-list strong {
  display: block;
  font-size: 22px;
  margin-bottom: 18px;
}

.mock-display-list span {
  display: block;
  padding: 12px;
  border-radius: 7px;
  border: 1px solid #ead6ce;
  background: #fff;
  margin-bottom: 10px;
  font-weight: 800;
}

.mock-display-main {
  display: grid;
  grid-template-columns: 1fr 270px;
  gap: 14px;
  padding: 18px;
}

.mock-photo {
  min-height: 230px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 44%, #fff 0 16%, #efe7d5 17% 24%, transparent 25%),
    linear-gradient(135deg, #b87b4c, #e4bf91);
  position: relative;
}

.mock-photo::after {
  content: "背面上身效果";
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,.52);
  color: #fff;
  font-weight: 800;
}

.mock-info-card {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 16px;
}

.mock-info-card h4 {
  margin: 4px 0 8px;
  font-size: 28px;
}

.mock-info-card .badge {
  display: inline-flex;
  margin: 0 6px 10px 0;
  padding: 4px 8px;
  border-radius: 999px;
  background: #c75b53;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.mock-info-card .badge.green {
  background: #538664;
}

.price {
  font-size: 34px;
  font-weight: 900;
  margin: 10px 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--muted);
}

.pet-shell {
  max-width: 760px;
  margin: 0 auto;
}

.pet-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: #344054;
  font-weight: 700;
  font-size: 14px;
}

input,
select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font-size: 16px;
}

.result-box {
  margin-top: 18px;
  padding: 20px;
  border-radius: var(--radius);
  background: #fff4f7;
  border: 1px solid #f2c6d4;
}

.result-size {
  color: var(--pet);
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
  margin-top: 40px;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
}

.footer-inner nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    min-height: auto;
    padding: 46px 0 34px;
    background-position: center;
  }

  .grid,
  .grid.two,
  .preview-grid,
  .metric-row,
  .page-title {
    grid-template-columns: 1fr;
  }

  .mock-studio,
  .mock-detector-inner,
  .mock-zhibo-admin,
  .mock-display,
  .mock-display-main {
    grid-template-columns: 1fr;
  }

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

  .timeline-item {
    grid-template-columns: 1fr;
  }

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