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

body {
  font-family: 'Noto Serif SC', '宋体', 'Times New Roman', serif;
  background: #FDF8E6 url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 100" opacity="0.06"><path fill="none" stroke="%238B6B4A" stroke-width="0.4" d="M20 30 Q 60 10, 100 25 T 180 20 M10 70 Q 50 50, 90 65 T 170 60"/></svg>');
  background-repeat: repeat;
  color: #3A3226;
  line-height: 1.6;
  scroll-behavior: smooth;
  padding: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 5;
}

.site-header {
    background: #1A1612;
    border-bottom: 1px solid rgba(217, 180, 139, 0.3);
    position: relative;
    z-index: 100;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1400px;
    margin: 0 auto;
}
.logo a {
    font-size: 26px;
    font-weight: 700;
    color: #F0E2C5;
    letter-spacing: 2px;
    text-decoration: none;
}
.main-nav { position: absolute; left: 50%; transform: translateX(-50%); }
.nav-list { display: flex; list-style: none; gap: 42px; }
.nav-link {
    font-size: 18px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    color: #E8DDD0;
    padding: 6px 0;
    position: relative;
    text-decoration: none;
}
.nav-link i { font-size: 16px; color: #D9B48B; }
.nav-link:hover { color: #F0E2C5; }
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: #C77A5A;
    transition: width 0.25s;
}
.nav-link:hover::after { width: 100%; }
.menu-toggle { display: none; flex-direction: column; cursor: pointer; z-index: 10; }
.menu-toggle span { width: 26px; height: 2px; background: #ECE3D8; margin: 5px 0; }

.page-content {
  max-width: 1200px;
  margin: 50px auto 0;
  padding: 0 28px;
}

.hero-banner {
  width: 100%;
  height: 500px;
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 40px;
  border: 2px solid rgba(200, 160, 115, 0.4);
  box-shadow: 0 12px 28px rgba(70, 40, 15, 0.08);
  position: relative;
}
.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 25px 35px;
  background: linear-gradient(to top, rgba(20, 15, 10, 0.6), transparent);
  color: #F5E8D4;
}
.hero-overlay h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 10px;
  text-shadow: 2px 2px 6px #00000030;
  margin-bottom: 4px;
}
.hero-overlay p {
  font-size: 1rem;
  opacity: 0.9;
  letter-spacing: 2px;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #4d311a;
  letter-spacing: 4px;
  margin: 40px 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title i {
  color: #b57a4a;
  font-size: 1.8rem;
}

.tuning-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 10px 0 25px;
  color: #7a5e44;
  font-size: 0.85rem;
  padding: 0 5px;
  border-bottom: 1px dashed rgba(180, 130, 80, 0.3);
  padding-bottom: 12px;
}
.freq-range {
  display: flex;
  gap: 20px;
  font-family: 'Courier New', monospace;
}

.channel-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 30px;
}
.channel-card {
  background: rgba(255, 250, 240, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1.5px solid rgba(200, 160, 115, 0.55);
  border-radius: 60px;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 5px 12px rgba(80, 50, 20, 0.05);
}
.channel-card.active {
  border-color: #b57a4a;
  background: rgba(235, 215, 185, 0.6);
  box-shadow: 0 0 0 2px rgba(181, 122, 74, 0.15), 0 8px 18px rgba(100, 60, 20, 0.1);
}
.channel-freq {
  font-family: 'Courier New', monospace;
  font-size: 1.6rem;
  font-weight: 700;
  color: #6b3f1f;
  min-width: 120px;
  letter-spacing: 2px;
}
.channel-info {
  flex: 1;
}
.channel-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #4d2f1a;
}
.channel-source {
  font-size: 0.9rem;
  color: #8B5A2D;
}
.channel-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #d4b58c;
  border: 2px solid #b2906e;
}
.active .channel-indicator {
  background: #8B1E2D;
  border-color: #d6a86b;
  box-shadow: 0 0 8px #b35e5e;
}

.waveform {
  margin: 25px 0 35px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  height: 50px;
}
.wave-bar {
  width: 7px;
  background: #b2906e;
  border-radius: 4px;
  height: calc(20% + 5px);
  animation: pulse 1.2s ease-in-out infinite alternate;
  opacity: 0.7;
}
.wave-bar:nth-child(1) { height: 18px; animation-delay: 0s; }
.wave-bar:nth-child(2) { height: 32px; animation-delay: 0.15s; }
.wave-bar:nth-child(3) { height: 22px; animation-delay: 0.3s; }
.wave-bar:nth-child(4) { height: 45px; animation-delay: 0.45s; }
.wave-bar:nth-child(5) { height: 28px; animation-delay: 0.6s; }
.wave-bar:nth-child(6) { height: 38px; animation-delay: 0.75s; }
.wave-bar:nth-child(7) { height: 20px; animation-delay: 0.9s; }
.wave-bar:nth-child(8) { height: 48px; animation-delay: 1.05s; }
.wave-bar:nth-child(9) { height: 30px; animation-delay: 1.2s; }
.wave-bar:nth-child(10) { height: 25px; animation-delay: 1.35s; }
@keyframes pulse {
  0% { opacity: 0.5; transform: scaleY(0.9); background: #b2906e; }
  100% { opacity: 1; transform: scaleY(1.1); background: #8B5A2D; }
}

.now-playing {
  background: rgba(255, 250, 240, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1.5px solid rgba(200, 160, 115, 0.5);
  border-radius: 32px;
  padding: 28px 30px;
  margin: 20px 0 30px;
  box-shadow: 0 8px 20px rgba(70, 40, 15, 0.05);
}
.playing-label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #8B5A2D;
  font-size: 0.9rem;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 3px;
}
.playing-label i {
  color: #8B1E2D;
}
.story-display {
  font-size: 1.1rem;
  line-height: 1.9;
  color: #3A2A1C;
}
.story-meta {
  margin-top: 20px;
  display: flex;
  gap: 30px;
  color: #7a5e44;
  border-top: 1px dashed rgba(180, 130, 80, 0.3);
  padding-top: 18px;
}

.radio-seal {
  text-align: center;
  margin: 30px 0 10px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #8B5A2D;
  letter-spacing: 4px;
  opacity: 0.7;
}
.radio-seal i {
  margin: 0 8px;
  color: #b57a4a;
}

.next-page-section {
  margin: 20px auto 50px;
  text-align: center;
}
.next-page-btn {
  position: relative;
  display: inline-block;
  width: 100%;
  color: #8B1E2D;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 1px;
  transition: all 0.3s;
  opacity: 0.9;
}
.next-page-btn::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 45%;
  height: 1px;
  background: linear-gradient(to right, transparent, #8B1E2D);
  opacity: 0.5;
}
.next-page-btn::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 45%;
  height: 1px;
  background: linear-gradient(to left, transparent, #8B1E2D);
  opacity: 0.5;
}
.next-page-btn:hover {
  letter-spacing: 3px;
  opacity: 1;
}

.site-footer {
  background: #1A1612;
  border-top: 1px solid rgba(217, 180, 139, 0.3);
  padding: 30px 0;
  margin-top: 40px;
  text-align: center;
  color: #8A7E6E;
  font-size: 13px;
}

@media (max-width: 1024px) {
  .main-nav { position: static; transform: none; }
  .nav-list {
    position: fixed; top: 70px; left: -100%;
    width: 75%; height: calc(100vh - 70px);
    background: #2A241E;
    flex-direction: column;
    align-items: center;
    padding-top: 50px;
    transition: left 0.3s;
    gap: 28px;
    box-shadow: 4px 0 20px rgba(0,0,0,0.5);
    z-index: 99;
    border-left: 3px solid #8B1E2D;
  }
  .nav-list.show { left: 0; }
  .menu-toggle { display: flex; }
}
@media (max-width: 760px) {
  .hero-banner { height: 240px; }
  .hero-overlay h1 { font-size: 2.2rem; }
  .channel-card { flex-wrap: wrap; padding: 16px 20px; }
  .channel-freq { min-width: 100px; font-size: 1.4rem; }
  .container, .page-content { padding: 0 16px; }
  .waveform { gap: 4px; }
  .wave-bar { width: 5px; }
}