@charset "UTF-8";
:root {
  --bg: #0c1a2a;
  --bg-alt: #0f2438;
  --panel: #ffffff;
  --text: #0f1828;
  --muted: #4c5a6b;
  --accent: #ff6a00;
  --accent-2: #0077ff;
  --line: #e5e9ef;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(12, 26, 42, 0.12);
  --max-width: 1280px;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", "Noto Sans", "PingFang SC", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #f6f8fb;
  line-height: 1.6;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

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

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(12px, 4vw, 24px);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 60px;
  color: #f5f7fb;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: 2px;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  padding: 0;
  overflow: hidden;
  background: transparent;
}

.hero .hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
}

.hero::after {
  content: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 760px;
  padding: 140px 24px 110px;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.4px;
}

.hero h1 {
  margin: 14px 0;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.25;
  letter-spacing: clamp(8px, 2vw, 18px);
  font-weight: var(--fw-bold);
}

.hero p.lead {
  margin: 0 0 30px;
  color: #e6edf8;
  font-size: clamp(18px, 4vw, 27px);
  letter-spacing: 0.6px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  header {
    height: 56px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
  }

  .nav {
    justify-content: flex-start;
    height: 56px;
  }

  .logo {
    font-size: 16px;
    letter-spacing: 1px;
  }

  .hero {
    min-height: 100vh;
    padding-top: 0;
    align-items: center;
  }

  .hero-content {
    padding: 96px 16px 72px;
  }

  .hero h1 {
    font-size: clamp(22px, 6vw, 32px);
    letter-spacing: clamp(4px, 1.5vw, 10px);
    line-height: 1.3;
  }

  .hero p.lead {
    font-size: clamp(15px, 4.5vw, 18px);
    line-height: 1.6;
  }

  .footer-meta {
    align-items: center;
    text-align: center;
    font-size: 12px;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

.btn {
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: var(--fw-semibold);
  border: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ff8f3a);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn:hover {
  transform: translateY(-1px);
}

.hero-visual { display: none; }

.section {
  padding: 72px 0;
}

.section header {
  position: relative;
  top: auto;
  background: none;
  border: none;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-title h2 {
  margin: 0;
  font-size: 28px;
}

.section-sub {
  margin: 0 0 24px;
  color: var(--muted);
  max-width: 760px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card.cover {
  display: flex;
  flex-direction: column;
}

.card .cover-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.card .card-body {
  padding: 18px 18px 16px;
}

.card .card-body h3 {
  margin-top: 0;
}

.card h3 {
  margin: 12px 0 8px;
  font-size: 18px;
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: rgba(0, 119, 255, 0.1);
  color: var(--accent-2);
  border-radius: 999px;
  font-size: 13px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}

.stat-bar {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.stat {
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 16px;
  border: 1px solid var(--line);
  min-width: 180px;
  box-shadow: var(--shadow);
}

.stat strong {
  display: block;
  font-size: 22px;
}

.cta {
  background: linear-gradient(135deg, #0c1a2a, #132d46);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}

.cta h3 {
  margin: 0 0 6px;
}

.cta p {
  margin: 0;
  color: #d6deeb;
}

footer {
  background: #fff;
  color: #1f2b38;
  padding: 52px 0 40px;
  margin-top: auto;
  border-top: 1px solid #e7ecf3;
}

.footer-top {
  display: none;
  margin: 0;
  padding: 0;
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 15px;
}

.footer-col a {
  display: block;
  color: #4c5a6b;
  margin: 6px 0;
  font-size: 14px;
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #e7ecf3;
  padding-top: 16px;
  font-size: 13px;
  color: #6a7685;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.hero-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.hero-item {
  background: rgba(255, 255, 255, 0.06);
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-item strong {
  display: block;
  font-size: 16px;
}

.pill-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  background: #f0f4fb;
  color: #0f1828;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid #dce2ec;
}

.highlight {
  color: var(--accent);
}

.list {
  display: grid;
  gap: 12px;
}

.list-item {
  display: flex;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.list-item:last-child {
  border-bottom: none;
}

.list-item .bullet {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  margin-top: 7px;
}

.layout-wide {
  display: grid;
  grid-template-columns: 2fr 1.1fr;
  gap: 28px;
}

.banner {
  background: linear-gradient(135deg, #f8fafc, #eef3fb);
  border: 1px solid #e1e7f0;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.banner h3 {
  margin: 0 0 6px;
}

.banner p {
  margin: 0 0 10px;
  color: var(--muted);
}

.media {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: center;
}

.media img {
  height: 80px;
  object-fit: cover;
  border-radius: 10px;
}

.link-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  font-weight: var(--fw-medium);
}

.back-top {
  position: fixed;
  right: 18px;
  bottom: 24px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(12, 26, 42, 0.82);
  color: #fff;
  border: none;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.back-top.show {
  display: none;
}

.slogan-section,
.slogan-section .bg,
.slogan-content {
  display: none;
}

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
  .layout-wide {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
  .lang {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .mobile-nav {
    display: block;
    background: #0c1a2a;
    color: #fff;
    padding: 12px 0 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .mobile-nav a {
    display: block;
    padding: 12px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }
  .hero {
    padding: 72px 0 48px;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-visual img {
    max-height: none;
  }
}