:root {
  --bg-color: #0c0c0e;
  --bg-indigo: #12101d;
  --bg-wine: #1a0f14;
  --text-main: #f0f0f0;
  --text-muted: #9e9e9e;
  --gold: #d4af37;
  --gold-light: #f3e5ab;
  --blue: #8ba1b8;
  --pink: #ff6b9e;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition: all 0.3s ease;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 50% 0%, var(--bg-indigo) 0%, var(--bg-color) 50%, var(--bg-wine) 100%);
  background-attachment: fixed;
}
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, var(--gold), #8b7322);
  border-radius: 3px;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 0;
}
.section-header {
  margin-bottom: 50px;
  position: relative;
}
.section-num {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: 1.2rem;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: 1px;
}
.section-desc {
  color: var(--text-muted);
  margin-top: 15px;
  max-width: 600px;
}

/* 导航与进度条 */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--gold), var(--pink));
  width: 0%;
  z-index: 1000;
}
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 999;
  transition: var(--transition);
}
nav.scrolled {
  background: rgba(12, 12, 14, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 15px 5%;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-wrap img {
  height: 32px;
  width: auto;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--gold-light);
}
.nav-links {
  display: flex;
  gap: 30px;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--gold);
}

/* 01 Hero */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.hero-bg img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: crossfade 20s infinite;
}
.hero-bg img:nth-child(2) { animation-delay: 5s; }
.hero-bg img:nth-child(3) { animation-delay: 10s; }
.hero-bg img:nth-child(4) { animation-delay: 15s; }
@keyframes crossfade {
  0%, 20% { opacity: 0.6; transform: scale(1); }
  25%, 45% { opacity: 0; transform: scale(1.05); }
  100% { opacity: 0; }
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, transparent 0%, rgba(12,12,14,0.8) 80%, rgba(12,12,14,1) 100%);
  pointer-events: none;
}
.hero-content {
  text-align: center;
  z-index: 2;
  max-width: 900px;
  padding: 0 20px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(to bottom, #fff, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: slideUp 1s ease-out;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--blue);
  letter-spacing: 3px;
  margin-bottom: 40px;
}
.cta-group {
  display: flex;
  gap: 20px;
  justify-content: center;
}
.btn {
  padding: 15px 40px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--gold);
  color: var(--bg-color);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}
.btn-outline {
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: rgba(212, 175, 55, 0.1);
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 02 厂牌宣言 */
.manifesto {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.manifesto-text {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.3);
}
.manifesto-text span {
  color: var(--text-main);
  transition: color 0.5s;
}
.manifesto-img {
  position: relative;
}
.manifesto-img img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.manifesto-img::before {
  content: '';
  position: absolute;
  inset: -20px;
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 12px;
  z-index: -1;
}

/* 03 作品年表 */
.timeline-list {
  list-style: none;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.timeline-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 30px 0;
  display: flex;
  align-items: center;
  transition: var(--transition);
  position: relative;
}
.timeline-item:hover {
  padding-left: 20px;
  background: linear-gradient(90deg, rgba(212,175,55,0.05) 0%, transparent 100%);
}
.timeline-year {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: 1.5rem;
  width: 100px;
}
.timeline-title {
  font-size: 1.8rem;
  font-weight: 300;
}
.timeline-hover-img {
  display: none;
  position: absolute;
  right: 10%;
  width: 200px;
  height: 300px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  pointer-events: none;
  z-index: 10;
}
.timeline-item:hover .timeline-hover-img {
  display: block;
}

/* 04 主推剧集 */
.feature-shows {
  display: flex;
  flex-direction: column;
  gap: 80px;
}
.show-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 50px;
  align-items: center;
}
.show-poster {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0,0,0,0.6);
  transition: var(--transition);
}
.show-card:hover .show-poster {
  transform: translateY(-5px) rotate(-2deg);
}
.show-poster img {
  width: 100%;
  height: auto;
}
.show-info h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 15px;
}
.tags {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.tag {
  font-size: 0.8rem;
  padding: 4px 12px;
  border: 1px solid var(--pink);
  color: var(--pink);
  border-radius: 20px;
}
.show-desc {
  color: var(--text-muted);
  margin-bottom: 25px;
  font-size: 1.05rem;
}
.show-meta {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}

/* 05 题材矩阵 */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.genre-item {
  position: relative;
  height: 200px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
}
.genre-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.genre-item:hover img {
  transform: scale(1.1);
  filter: brightness(0.7);
}
.genre-label {
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}
.genre-grid:hover .genre-item:not(:hover) {
  opacity: 0.5;
  transform: scale(0.98);
}

/* 06 幕后制作 */
.behind-scenes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.scene-img {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
}
.scene-img img {
  width: 100%;
  height: auto;
  transition: var(--transition);
}
.scene-img:hover img {
  transform: scale(1.05);
}
.scene-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  font-size: 0.9rem;
}

/* 07 观众回声 */
.echo-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: none;
}
.echo-row::-webkit-scrollbar {
  display: none;
}
.echo-card {
  min-width: 250px;
  background: rgba(255,255,255,0.05);
  padding: 20px;
  border-radius: 8px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
}
.echo-user {
  color: var(--gold);
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.echo-text {
  font-size: 0.95rem;
  color: var(--text-main);
}

/* 08 常见问题 */
.faq-wrap {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
}
.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}
.faq-question {
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
}
.faq-answer {
  color: var(--text-muted);
  margin-top: 15px;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}
.faq-item.active .faq-question {
  color: var(--gold);
}
.faq-img img {
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* 09 页脚 */
footer {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 60px 0 30px;
  background: #050505;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-cta {
  text-align: center;
  margin-bottom: 60px;
}
.footer-cta h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 20px;
}
.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-bottom a {
  color: var(--text-muted);
}
.footer-bottom a:hover {
  color: var(--gold);
}

/* 浮窗 */
.float-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--gold);
  color: var(--bg-color);
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(212,175,55,0.4);
  cursor: pointer;
  z-index: 900;
  transition: var(--transition);
}
.float-btn:hover {
  transform: translateY(-3px);
}

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .manifesto { grid-template-columns: 1fr; }
  .show-card { grid-template-columns: 1fr; gap: 30px; }
  .genre-grid { grid-template-columns: repeat(2, 1fr); }
  .behind-scenes { grid-template-columns: 1fr; }
  .faq-wrap { grid-template-columns: 1fr; }
  .faq-img { display: none; }
  .nav-links { display: none; }
  .timeline-item:hover .timeline-hover-img { display: none; }
}