@charset "UTF-8";

:root {
  --cg-primary: #ff4757;
  --cg-primary-dark: #e84118;
  --cg-secondary: #ffa502;
  --cg-bg: #0f0f12;
  --cg-bg-soft: #16161d;
  --cg-card: #1c1c24;
  --cg-border: #2a2a35;
  --cg-text: #d8d8e0;
  --cg-text-muted: #8b8b9a;
  --cg-white: #ffffff;
  --cg-gradient: linear-gradient(135deg, #ff4757 0%, #ffa502 100%);
  --cg-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  --cg-radius: 14px;
  --cg-transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--cg-bg);
  color: var(--cg-text);
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--cg-transition);
}

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

ul {
  list-style: none;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--cg-transition);
}

.btn-primary {
  background: var(--cg-gradient);
  color: var(--cg-white);
  box-shadow: 0 8px 24px rgba(255, 71, 87, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 71, 87, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--cg-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-secondary:hover {
  border-color: var(--cg-primary);
  color: var(--cg-primary);
}

.btn-outline {
  background: transparent;
  color: var(--cg-primary);
  border: 1px solid var(--cg-primary);
}

.btn-outline:hover {
  background: var(--cg-primary);
  color: var(--cg-white);
}

.section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.section-heading h2 {
  font-size: clamp(28px, 4vw, 36px);
  color: var(--cg-white);
  margin-bottom: 10px;
}

.section-heading p {
  color: var(--cg-text-muted);
  font-size: 16px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 18, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--cg-transition);
}

.header.scrolled {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
}

.site-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.site-logo--footer {
  width: 36px;
  height: 36px;
  margin-bottom: 8px;
}

.logo-text-wrap {
  min-width: 0;
}

.logo h1 {
  font-size: 22px;
  color: var(--cg-white);
  font-weight: 700;
}

.logo .tagline {
  display: block;
  font-size: 12px;
  color: var(--cg-text-muted);
  margin-top: 2px;
}

.main-nav ul {
  display: flex;
  gap: 8px;
}

.main-nav .nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--cg-text);
  font-size: 14px;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--cg-white);
  background: rgba(255, 71, 87, 0.15);
}

.mobile-nav-toggle {
  display: none;
  font-size: 24px;
  color: var(--cg-white);
  cursor: pointer;
  user-select: none;
}

/* Hero */
.hero-section {
  padding: 140px 0 80px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 71, 87, 0.18), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(255, 165, 2, 0.12), transparent 40%),
    var(--cg-bg);
}

.hero-content {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.hero-content h2 {
  font-size: clamp(32px, 5vw, 48px);
  color: var(--cg-white);
  line-height: 1.25;
  margin-bottom: 18px;
}

.hero-content p {
  font-size: 17px;
  color: var(--cg-text-muted);
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.stat-item {
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: var(--cg-radius);
  padding: 24px;
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--cg-white);
  background: var(--cg-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--cg-text-muted);
}

/* Features */
.features-section {
  padding: 80px 0;
  background: var(--cg-bg-soft);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: var(--cg-radius);
  padding: 28px 22px;
  text-align: center;
  transition: var(--cg-transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 71, 87, 0.4);
  box-shadow: var(--cg-shadow);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 14px;
}

.feature-card h3 {
  color: var(--cg-white);
  font-size: 18px;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--cg-text-muted);
}

/* Trending */
.trending-section {
  padding: 80px 0;
}

.trending-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.trending-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: var(--cg-radius);
  overflow: hidden;
  transition: var(--cg-transition);
}

.trending-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 71, 87, 0.35);
  box-shadow: var(--cg-shadow);
}

.trending-image {
  position: relative;
  min-height: 220px;
  display: block;
  color: inherit;
}

.trending-content h3 a:hover {
  color: var(--cg-primary);
}

.trending-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trending-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.65);
  color: var(--cg-white);
}

.trending-tag.hot {
  background: var(--cg-gradient);
}

.trending-content {
  padding: 20px 20px 20px 0;
  display: flex;
  flex-direction: column;
}

.trending-content h3 {
  color: var(--cg-white);
  font-size: 17px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.trending-content p {
  font-size: 14px;
  color: var(--cg-text-muted);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.trending-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--cg-text-muted);
}

.trending-source {
  color: var(--cg-secondary);
}

.view-more {
  text-align: center;
  margin-top: 40px;
}

/* Truth */
.truth-section {
  padding: 80px 0;
  background: var(--cg-bg-soft);
}

.truth-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.truth-card {
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: var(--cg-radius);
  padding: 28px;
}

.truth-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.truth-icon {
  font-size: 28px;
}

.truth-card h3 {
  color: var(--cg-white);
  font-size: 18px;
}

.truth-card p {
  font-size: 14px;
  color: var(--cg-text-muted);
}

.truth-feature {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: calc(var(--cg-radius) + 4px);
  padding: 32px;
}

.truth-feature-content h3 {
  color: var(--cg-white);
  font-size: 24px;
  margin-bottom: 16px;
}

.truth-feature-content p {
  color: var(--cg-text-muted);
  margin-bottom: 12px;
  font-size: 15px;
}

.truth-feature-image img {
  border-radius: var(--cg-radius);
  width: 100%;
  height: 280px;
  object-fit: cover;
}

/* Community */
.community-section {
  padding: 80px 0;
}

.community-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.community-stat-item {
  text-align: center;
  padding: 28px;
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: var(--cg-radius);
}

.community-stat-item .stat-number {
  font-size: 32px;
}

.community-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.community-feature {
  text-align: center;
  padding: 28px 20px;
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: var(--cg-radius);
}

.community-feature .feature-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.community-feature h3 {
  color: var(--cg-white);
  margin-bottom: 8px;
}

.community-feature p {
  font-size: 14px;
  color: var(--cg-text-muted);
}

.community-cta {
  text-align: center;
  padding: 40px;
  background: linear-gradient(135deg, rgba(255, 71, 87, 0.12), rgba(255, 165, 2, 0.08));
  border: 1px solid rgba(255, 71, 87, 0.25);
  border-radius: calc(var(--cg-radius) + 4px);
}

.community-cta h3 {
  color: var(--cg-white);
  font-size: 24px;
  margin-bottom: 10px;
}

.community-cta p {
  color: var(--cg-text-muted);
  margin-bottom: 24px;
}

.community-cta .btn {
  margin: 0 8px 8px;
}

/* About */
.about-section {
  padding: 80px 0;
  background: var(--cg-bg-soft);
}

.about-content {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
}

.about-image img {
  border-radius: var(--cg-radius);
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.about-text h3 {
  color: var(--cg-white);
  font-size: 20px;
  margin-bottom: 12px;
}

.about-text p {
  color: var(--cg-text-muted);
  margin-bottom: 20px;
}

.about-text ul {
  margin-bottom: 24px;
}

.about-text li {
  padding: 8px 0;
  color: var(--cg-text-muted);
  font-size: 15px;
}

/* Subscribe */
.subscribe-section {
  padding: 80px 0;
}

.subscribe-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  background: var(--cg-card);
  border: 1px solid var(--cg-border);
  border-radius: calc(var(--cg-radius) + 4px);
  padding: 40px;
}

.subscribe-content h2 {
  color: var(--cg-white);
  font-size: 26px;
  margin-bottom: 8px;
}

.subscribe-content p {
  color: var(--cg-text-muted);
}

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

.subscribe-form input {
  min-width: 260px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--cg-border);
  background: var(--cg-bg);
  color: var(--cg-white);
  font-size: 14px;
}

.subscribe-form input:focus {
  outline: none;
  border-color: var(--cg-primary);
}

/* Footer */
.footer {
  padding: 48px 0 24px;
  background: #0a0a0d;
  border-top: 1px solid var(--cg-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo h2 {
  color: var(--cg-white);
  font-size: 20px;
  margin-bottom: 6px;
}

.footer-logo p {
  color: var(--cg-text-muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--cg-text-muted);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--cg-primary);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--cg-border);
  text-align: center;
  font-size: 13px;
  color: var(--cg-text-muted);
  line-height: 1.8;
}

.footer-bottom a {
  color: var(--cg-text-muted);
}

.footer-bottom a:hover {
  color: var(--cg-primary);
}

/* Mobile nav */
@media (max-width: 992px) {
  .features-grid,
  .truth-grid,
  .community-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .truth-feature,
  .about-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(280px, 85vw);
    height: 100vh;
    background: var(--cg-bg-soft);
    border-left: 1px solid var(--cg-border);
    padding: 80px 24px 24px;
    transform: translateX(100%);
    transition: var(--cg-transition);
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .main-nav .nav-link {
    display: block;
    padding: 12px 16px;
  }

  .hero-stats,
  .community-stats {
    grid-template-columns: 1fr;
  }

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

  .trending-card {
    grid-template-columns: 1fr;
  }

  .trending-content {
    padding: 0 20px 20px;
  }

  .features-grid,
  .truth-grid,
  .community-features {
    grid-template-columns: 1fr;
  }

  .subscribe-wrapper {
    flex-direction: column;
    text-align: center;
  }

  .subscribe-form {
    width: 100%;
    justify-content: center;
  }

  .subscribe-form input {
    min-width: 0;
    flex: 1;
  }
}