:root {
  color-scheme: light;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e2e2e5;
  --paper: #f0f0f3;
  --surface: #ffffff;
  --red: #c8102e;
  --red-dark: #8b0000;
  --red-soft: #fde8ec;
  --slate: #2d2d2d;
  --slate-soft: #454545;
  --shadow: 0 16px 40px rgba(45, 45, 45, .1);
  font-family: "Segoe UI", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
}
.header-row {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--slate);
}
.brand-text { font-size: 1.2rem; }
.brand img { border-radius: 8px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  padding: 10px 18px;
  border-radius: 6px;
  color: var(--slate-soft);
  font-size: .95rem;
  font-weight: 600;
  transition: color .2s, background .2s;
}
.nav a:hover { background: var(--red-soft); color: var(--red); }

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 420px;
  background: var(--surface);
  border-bottom: 4px solid var(--red);
}
.hero-copy {
  padding: 64px 48px 64px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-copy .eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  background: var(--red-soft);
  color: var(--red);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 4px;
}
.hero-copy h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -.03em;
  color: var(--slate);
}
.hero-lead {
  margin: 20px 0 0;
  max-width: 480px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.05rem;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 6px;
  font-weight: 700;
  font-size: .95rem;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 4px 14px rgba(200, 16, 46, .35);
}
.btn-outline {
  background: transparent;
  color: var(--slate);
  border: 2px solid var(--line);
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: linear-gradient(145deg, var(--slate) 0%, #1a1a1a 100%);
}
.hero-visual img {
  width: 100%;
  max-width: 480px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  border: 3px solid rgba(255, 255, 255, .12);
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 2px solid rgba(200, 16, 46, .4);
  border-radius: 12px;
  pointer-events: none;
}

.stats-bar {
  background: var(--slate);
  color: #fff;
  padding: 28px 0;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 4px;
}
.stat-item span { font-size: .88rem; color: #b0b0b0; }

.section { padding: 64px 0; }
.section-head { margin-bottom: 36px; }
.section-head h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  letter-spacing: -.02em;
  color: var(--slate);
  position: relative;
  padding-left: 16px;
}
.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--red);
  border-radius: 2px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.platform-card {
  background: var(--surface);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
  border-top: 4px solid var(--red);
}
.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(45, 45, 45, .14);
}
.platform-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.platform-body { padding: 22px 24px 26px; }
.platform-body h3 { margin: 0 0 10px; font-size: 1.12rem; color: var(--slate); }
.platform-body p { margin: 0 0 16px; color: var(--muted); line-height: 1.65; font-size: .93rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--red);
  font-weight: 700;
  font-size: .9rem;
}
.card-link::after { content: "→"; }

.zigzag { display: flex; flex-direction: column; gap: 0; }
.zigzag-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.zigzag-row:last-child { border-bottom: none; }
.zigzag-num {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red-soft);
  color: var(--red);
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: 50%;
}
.zigzag-body h3 { margin: 0 0 8px; font-size: 1.05rem; }
.zigzag-body p { margin: 0; color: var(--muted); line-height: 1.65; font-size: .93rem; }

.mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.mosaic-card {
  position: relative;
  background: var(--surface);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(45, 45, 45, .08);
  transition: box-shadow .2s;
}
.mosaic-card:hover { box-shadow: var(--shadow); }
.mosaic-card:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.mosaic-card:nth-child(1) img { height: 220px; }
.mosaic-card img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}
.mosaic-body { padding: 16px 18px 20px; }
.mosaic-date {
  display: inline-block;
  padding: 4px 10px;
  background: var(--red-soft);
  color: var(--red);
  font-size: .78rem;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: 10px;
}
.mosaic-body h3 { margin: 0 0 8px; font-size: .98rem; line-height: 1.4; }
.mosaic-body h3 a:hover { color: var(--red); }
.mosaic-body p {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.catalog-band {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 0;
}
.pill-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill-scroll a {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--slate-soft);
  font-size: .88rem;
  font-weight: 600;
  border: 1px solid var(--line);
  transition: all .2s;
}
.pill-scroll a:hover {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  padding: 48px 0;
  align-items: start;
}
.article-main, .article-aside {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.article-main { padding: clamp(24px, 4vw, 44px); }
.article-main h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 12px; line-height: 1.18; }
.article-main h2 { margin-top: 32px; font-size: 1.3rem; color: var(--slate); }
.article-main h3 { margin-top: 22px; font-size: 1.08rem; }
.kicker {
  margin: 0 0 10px;
  color: var(--red);
  font-weight: 700;
  font-size: .86rem;
  letter-spacing: .06em;
}
.meta-line { color: var(--muted); margin: 0 0 24px; font-size: .92rem; }
.hero-img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
  border-radius: 8px;
  margin: 0 0 28px;
}
.article-aside { position: sticky; top: 92px; padding: 22px; }
.article-aside h2 { margin: 18px 0 10px; font-size: .92rem; color: var(--slate); }
.article-aside h2:first-child { margin-top: 0; }
.article-aside a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--slate-soft);
  font-size: .91rem;
}
.article-aside a:hover { color: var(--red); }

.video-block {
  margin-top: 36px;
  padding: 24px;
  border-radius: 10px;
  background: var(--red-soft);
  border: 1px solid #f5c6cf;
}
.video-shell {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: var(--slate);
  aspect-ratio: 16 / 9;
}
.video-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .85;
}
.video-poster span {
  position: absolute;
  left: 18px;
  bottom: 16px;
  padding: 8px 16px;
  border-radius: 6px;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  font-size: .88rem;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.list-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 20px;
  box-shadow: 0 8px 22px rgba(45, 45, 45, .06);
  transition: border-color .2s;
}
.list-card:hover { border-color: var(--red); }
.list-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 14px;
}
.list-card time { color: var(--muted); font-size: .84rem; }
.list-card h2, .list-card h3 { margin: 8px 0; font-size: 1.04rem; }
.list-card p { margin: 0; color: var(--muted); line-height: 1.6; font-size: .91rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip-row a {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--red-soft);
  color: var(--red-dark);
  font-size: .82rem;
  font-weight: 600;
}
.link-btn {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 16px;
  border-radius: 6px;
  background: var(--red-soft);
  color: var(--red);
  font-weight: 700;
  font-size: .88rem;
}

.site-footer {
  margin-top: 48px;
  padding: 48px 0;
  background: var(--slate);
  color: #e8e8e8;
}
.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 32px;
}
.footer-wrap h2 { margin: 0 0 12px; font-size: 1.08rem; }
.footer-wrap p { margin: 0; color: #a8a8a8; max-width: 460px; line-height: 1.7; font-size: .93rem; }
.footer-wrap nav { display: grid; gap: 10px; min-width: 160px; }
.footer-wrap nav a { color: #ccc; font-size: .91rem; }
.footer-wrap nav a:hover { color: #fff; }

@media (max-width: 960px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-copy { padding: 48px 0 32px; }
  .hero-visual { min-height: 280px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: 1fr; }
  .mosaic { grid-template-columns: repeat(2, 1fr); }
  .mosaic-card:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .page-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; }
  .list-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .header-row, .footer-wrap { flex-direction: column; align-items: flex-start; }
  .stats-row, .mosaic, .list-grid { grid-template-columns: 1fr; }
  .mosaic-card:nth-child(1) { grid-column: span 1; }
  .zigzag-row { grid-template-columns: 56px 1fr; gap: 16px; }
}