:root {
  --bg: #0b0b0e;
  --bg-soft: #111216;
  --ink: #f5f6f7;
  --ink-soft: #b9bec8;
  --line: rgba(255, 255, 255, 0.14);
  --card: rgba(255, 255, 255, 0.03);
  --accent: #8bb3ff;
  --max: 1240px;
  --radius-xl: 34px;
  --radius-lg: 22px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { scroll-behavior: smooth; }
body {
  font-family: "Montserrat", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 80% -10%, rgba(115, 163, 255, 0.18), transparent 36%), var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
img, video { display: block; width: 100%; height: 100%; object-fit: cover; }

.container { width: min(var(--max), calc(100vw - 56px)); margin: 0 auto; }

.top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(6, 7, 10, 0.74);
  backdrop-filter: blur(14px);
}

.top-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.menu { display: flex; gap: 20px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.menu a:hover { color: var(--ink); }

.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 110px 0 70px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 5, 7, 0.2) 0%, rgba(5, 5, 7, 0.8) 75%, #090a0d 100%);
  pointer-events: none;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #c9d4ea;
  margin-bottom: 10px;
}

h1 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(44px, 9vw, 98px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

h2,
h3 {
  font-family: "Noto Serif SC", "Songti SC", serif;
}

.lead {
  max-width: 760px;
  font-size: clamp(18px, 2.1vw, 28px);
  line-height: 1.38;
  color: #d4dae5;
}

.section { padding: 84px 0; }
.section.dark { background: var(--bg-soft); }

.section-head { margin-bottom: 24px; }
.section-head h2 {
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

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

.kpi {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  padding: 24px;
}

.kpi .v {
  font-family: "Bodoni Moda", "Noto Serif SC", serif;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1;
  font-weight: 700;
  margin-bottom: 10px;
}

.kpi .l {
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sticky-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}

.pin {
  position: sticky;
  top: 92px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: calc(100vh - 130px);
  min-height: 520px;
}

.story-cards {
  display: grid;
  gap: 14px;
}

.story-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--card);
}

.story-card h3 {
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.12;
  margin-bottom: 12px;
}

.story-card p { color: var(--ink-soft); font-size: 16px; }

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

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 15px 8px;
  text-align: left;
}

.data-table th { color: var(--ink-soft); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; }

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

.showcase figure {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  min-height: 220px;
  transform: translateY(24px);
  opacity: 0;
  transition: transform 0.8s ease, opacity 0.8s ease;
}

.showcase figure.visible {
  transform: translateY(0);
  opacity: 1;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: #d1d7e2;
}

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform .22s ease, box-shadow .22s ease, filter .22s ease;
}

.btn.primary {
  background: linear-gradient(120deg, #eef3ff 0%, #b8cffd 60%, #91b3ff 100%);
  color: #0d1320;
  border: none;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(139, 179, 255, 0.34), 0 0 0 0 rgba(139, 179, 255, 0.36);
  animation: ctaPulseBlue 2.4s ease-in-out infinite;
}

.btn.primary:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.04);
  box-shadow: 0 14px 34px rgba(139, 179, 255, 0.44), 0 0 0 6px rgba(139, 179, 255, 0.12);
}

@keyframes ctaPulseBlue {
  0%, 100% {
    box-shadow: 0 10px 24px rgba(139, 179, 255, 0.34), 0 0 0 0 rgba(139, 179, 255, 0.36);
  }
  50% {
    box-shadow: 0 12px 30px rgba(139, 179, 255, 0.42), 0 0 0 5px rgba(139, 179, 255, 0.11);
  }
}

.notice { color: var(--ink-soft); margin-top: 12px; font-size: 14px; }

footer { border-top: 1px solid var(--line); padding: 24px 0 38px; color: var(--ink-soft); font-size: 14px; }

.reveal { transform: translateY(24px); opacity: 0; transition: transform 0.7s ease, opacity 0.7s ease; }
.reveal.visible { transform: translateY(0); opacity: 1; }

@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sticky-story { grid-template-columns: 1fr; }
  .pin { position: relative; top: 0; height: auto; min-height: 340px; }
}

@media (max-width: 780px) {
  .container { width: min(var(--max), calc(100vw - 30px)); }
  .menu { display: none; }
  .hero { min-height: 86vh; padding: 96px 0 56px; }
  .showcase { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: 1fr; }
}