:root {
  --bg: #f6f9fc;
  --card: #ffffff;
  --ink: #172233;
  --muted: #637083;
  --line: #e6edf5;
  --brand: #2f72f3;
  --brand-2: #40c9c9;
  --soft: #eaf4ff;
  --radius: 8px;
  --shadow: 0 14px 40px rgba(24, 42, 76, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}

.nav {
  width: min(1200px, calc(100% - 32px));
  height: 63px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.navbar-brand img {
  width: 132px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex: 1 1 auto;
  min-width: 0;
  font-family: -apple-system, "system-ui", "PingFang SC", "Microsoft Yahei", Helvetica, Arial, Verdana, sans-serif;
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  color: #333;
  white-space: nowrap;
}

.nav-links a.active {
  color: var(--brand-2);
  font-weight: 400;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.nav-phone {
  min-width: 126px;
  height: 32px;
  padding: 0 14px;
  border: 1px solid #666;
  border-radius: 24px;
  color: #666;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
}

.nav-cta,
.btn {
  border: 0;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.nav-cta:hover,
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(47, 114, 243, .18);
}

.nav-cta {
  min-height: 32px;
  height: 32px;
  padding: 0 16px;
  font-size: 14px;
  background: #3772F3;
}

.btn.secondary {
  background: #e9f8f8;
  color: #107c82;
}

.btn.ghost {
  background: #fff;
  color: #2c3a4c;
  border: 1px solid var(--line);
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 430px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  align-items: center;
  gap: 56px;
  padding: 72px 0 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  color: #0e7d83;
  background: #e7f8f8;
  font-size: 13px;
  font-weight: 700;
}

.hero h1,
.section-title h2,
.detail-title {
  margin: 18px 0 0;
  line-height: 1.22;
  letter-spacing: 0;
}

.hero h1 {
  font-size: 46px;
  max-width: 660px;
}

.hero p {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.featured-card {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.featured-card img {
  width: 160px;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.featured-card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.featured-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0 0 48px;
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.stat strong {
  display: block;
  color: var(--brand);
  font-size: 26px;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 36px 0;
}

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

.section-title h2 {
  font-size: 30px;
}

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

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 14px;
  margin: 22px 0;
}

.search {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 18px;
  outline: none;
  font-size: 14px;
  background: #fff;
}

.filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #415168;
  min-height: 36px;
  padding: 0 14px;
  cursor: pointer;
  font-size: 13px;
}

.chip.active {
  color: #0d777d;
  border-color: rgba(64, 201, 201, .4);
  background: #e9fafa;
  font-weight: 700;
}

.poster-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.poster-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(30, 50, 80, .05);
}

.poster-card .thumb {
  background: #edf3fb;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.poster-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.poster-card-body {
  padding: 16px;
}

.poster-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.38;
}

.poster-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.tag {
  border-radius: 999px;
  background: #f1f6fb;
  color: #53637a;
  padding: 4px 9px;
  font-size: 12px;
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

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

.scenario {
  min-height: 110px;
  padding: 18px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
}

.scenario h3 {
  margin: 0;
  font-size: 17px;
}

.scenario p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 36px;
  padding: 54px 0;
  align-items: start;
}

.poster-preview {
  position: sticky;
  top: 86px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.poster-preview img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.detail-title {
  font-size: 38px;
}

.detail-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 16px 0 22px;
}

.copy-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-top: 14px;
}

.copy-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
}

.copy-block h2 {
  margin: 0;
  font-size: 18px;
}

.copy-block p {
  margin: 0;
  color: #344257;
}

.cta-band {
  margin: 40px 0 70px;
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #15345c, #176c75);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-band h2 {
  margin: 0;
  font-size: 24px;
}

.cta-band p {
  margin: 6px 0 0;
  color: rgba(255,255,255,.78);
}

.site-footer {
  margin-top: 28px;
  padding: 28px 0;
  background: #202832;
  color: rgba(255,255,255,.72);
  font-size: 13px;
}

.site-footer .page {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 50;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  background: #162233;
  color: #fff;
  border-radius: 999px;
  padding: 10px 16px;
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
  font-size: 14px;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.empty {
  grid-column: 1 / -1;
  padding: 42px;
  text-align: center;
  border-radius: var(--radius);
  color: var(--muted);
  background: #fff;
  border: 1px dashed var(--line);
}

@media (max-width: 920px) {
  .nav {
    height: auto;
    padding: 12px 0;
    align-items: center;
  }

  .nav-links {
    display: none;
  }

  .navbar-brand img {
    width: 118px;
  }

  .nav-phone {
    display: none;
  }

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

  .hero {
    padding: 42px 0 32px;
    gap: 26px;
  }

  .hero h1,
  .detail-title {
    font-size: 32px;
  }

  .quick-stats,
  .poster-grid,
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }

  .poster-preview {
    position: static;
  }

  .cta-band,
  .site-footer .page {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .page,
  .nav {
    width: min(100% - 24px, 1180px);
  }

  .quick-stats,
  .poster-grid,
  .scenario-grid,
  .featured-card {
    grid-template-columns: 1fr;
  }

  .featured-card img {
    width: 100%;
  }

  .section-title {
    display: block;
  }

  .card-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}