/* ============================================================
   蘑菇视频官网 - 全局样式表
   影视视频主题 | 深色沉浸式设计 | 响应式布局
   ============================================================ */

/* ---------- CSS 变量与重置 ---------- */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #161d2e;
  --bg-card-hover: #1d2740;
  --bg-elevated: #1a2233;
  --accent: #ff5c39;
  --accent-soft: #ff7a5c;
  --accent-gold: #f5b301;
  --accent-blue: #4d8dff;
  --text-main: #f0f2f5;
  --text-sub: #9aa3b2;
  --text-mute: #6b7280;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(255, 92, 57, 0.45);
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 30px rgba(255, 92, 57, 0.28);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.35s cubic-bezier(0.25, 0.8, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

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

section {
  position: relative;
}

/* ---------- 动画关键帧 ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(36px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 92, 57, 0.5);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(255, 92, 57, 0);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes shimmer {
  0% {
    background-position: -468px 0;
  }
  100% {
    background-position: 468px 0;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 顶部导航栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 14, 26, 0.97);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #ff9a3c);
  display: grid;
  place-items: center;
  font-size: 20px;
  color: #fff;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

.brand-text {
  background: linear-gradient(90deg, #fff 30%, var(--accent-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu li a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: #fff;
  background: rgba(255, 92, 57, 0.14);
}

.nav-menu li a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.nav-cta {
  padding: 10px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #ff8a4c);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 6px 18px rgba(255, 92, 57, 0.35);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(255, 92, 57, 0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  width: 26px;
  height: 2.5px;
  border-radius: 2px;
  background: #fff;
  transition: var(--transition);
}

/* ---------- 通用区块标题 ---------- */
.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 92, 57, 0.12);
  color: var(--accent-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-title em {
  font-style: normal;
  color: var(--accent);
}

.section-sub {
  color: var(--text-sub);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Hero 主视觉区域 ---------- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
  background:
    radial-gradient(ellipse 80% 55% at 75% 20%, rgba(77, 141, 255, 0.22), transparent 60%),
    radial-gradient(ellipse 70% 60% at 20% 75%, rgba(255, 92, 57, 0.2), transparent 60%),
    linear-gradient(160deg, #0a0e1a 0%, #0f1626 55%, #141021 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("https://picsum.photos/seed/mogu-hero-bg/1920/1080") center/cover no-repeat;
  opacity: 0.18;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10, 14, 26, 0.15) 0%, rgba(10, 14, 26, 0.55) 70%, var(--bg-primary) 100%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  width: min(1200px, 92%);
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 22px;
  animation: fadeInUp 0.8s ease both;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulseGlow 1.8s ease infinite;
}

.hero h1 {
  font-size: clamp(34px, 5.2vw, 58px);
  font-weight: 900;
  line-height: 1.22;
  margin-bottom: 22px;
  animation: fadeInUp 0.8s 0.1s ease both;
}

.hero h1 .gradient-text {
  background: linear-gradient(90deg, var(--accent), var(--accent-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-sub);
  max-width: 560px;
  margin-bottom: 34px;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ff8a4c);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 92, 57, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 34px rgba(255, 92, 57, 0.55);
}

.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
  background: rgba(255, 92, 57, 0.08);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 42px;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.hero-stat strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
}

.hero-stat strong em {
  font-style: normal;
  color: var(--accent);
}

.hero-stat span {
  font-size: 13px;
  color: var(--text-mute);
}

.hero-visual {
  position: relative;
  animation: fadeIn 1s 0.3s ease both;
}

.hero-poster-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  transform: rotate(-2deg);
  transition: var(--transition);
}

.hero-poster-main:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-poster-main img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.hero-poster-float {
  position: absolute;
  bottom: -28px;
  left: -34px;
  width: 190px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 3px solid var(--bg-primary);
  animation: floatSlow 5s ease-in-out infinite;
}

.hero-poster-float img {
  width: 100%;
  height: 130px;
  object-fit: cover;
}

.hero-play-badge {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(255, 92, 57, 0.9);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 22px;
  box-shadow: var(--shadow-glow);
  animation: pulseGlow 2s ease infinite;
}

/* ---------- 跑马灯横幅 ---------- */
.marquee-bar {
  background: linear-gradient(90deg, var(--accent), #ff8a4c);
  overflow: hidden;
  padding: 10px 0;
}

.marquee-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 24s linear infinite;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.marquee-track span::before {
  content: "★";
  font-size: 12px;
}

/* ---------- 核心特性区域 ---------- */
.features {
  background: var(--bg-secondary);
  padding: 90px 0;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-accent);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 26px;
  margin-bottom: 20px;
  background: rgba(255, 92, 57, 0.12);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--accent), #ff8a4c);
  box-shadow: var(--shadow-glow);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* ---------- 服务介绍区域 ---------- */
.services {
  background: var(--bg-primary);
  padding: 90px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card {
  background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-accent);
}

.service-thumb {
  position: relative;
  overflow: hidden;
}

.service-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-thumb img {
  transform: scale(1.08);
}

.service-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(10, 14, 26, 0.75);
  backdrop-filter: blur(6px);
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.service-tag.hot {
  background: linear-gradient(135deg, var(--accent), #ff8a4c);
}

.service-body {
  padding: 24px;
}

.service-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-body p {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 18px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-soft);
}

.service-link:hover {
  gap: 12px;
}

/* ---------- 影视内容卡片区 ---------- */
.content-section {
  background: var(--bg-secondary);
  padding: 90px 0;
}

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

.media-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.media-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-card);
  border-color: var(--border-accent);
}

.media-poster {
  position: relative;
  overflow: hidden;
}

.media-poster img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.media-card:hover .media-poster img {
  transform: scale(1.1);
}

.media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.9), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
  display: flex;
  align-items: flex-end;
  padding: 18px;
}

.media-card:hover .media-overlay {
  opacity: 1;
}

.media-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  display: grid;
  place-items: center;
  font-size: 16px;
  color: #fff;
}

.media-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.media-badge.hd { background: rgba(77, 141, 255, 0.9); }
.media-badge.new { background: rgba(255, 92, 57, 0.92); }
.media-badge.top { background: rgba(245, 179, 1, 0.92); }

.media-info {
  padding: 18px;
}

.media-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-mute);
}

.media-rating {
  color: var(--accent-gold);
  font-weight: 700;
}

/* ---------- 新闻资讯区域 ---------- */
.news-section {
  background: var(--bg-primary);
  padding: 90px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-accent);
}

.news-date {
  font-size: 13px;
  color: var(--accent-soft);
  font-weight: 600;
}

.news-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.news-card p {
  font-size: 14px;
  color: var(--text-sub);
  flex: 1;
}

.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 600;
}

.news-more:hover {
  color: var(--accent);
  gap: 12px;
}

/* ---------- FAQ 区域 ---------- */
.faq-section {
  background: var(--bg-secondary);
  padding: 90px 0;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-accent);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
}

.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 92, 57, 0.12);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 16px;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding: 0 26px 22px;
  font-size: 14px;
  color: var(--text-sub);
}

/* ---------- CTA 行动号召区域 ---------- */
.cta {
  padding: 100px 0;
  background:
    linear-gradient(rgba(10, 14, 26, 0.82), rgba(10, 14, 26, 0.82)),
    url("https://picsum.photos/seed/mogu-cta-bg/1920/800") center/cover no-repeat fixed;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent 60%, rgba(255, 92, 57, 0.12) 80%, transparent 100%);
  animation: gradientShift 12s ease infinite;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.cta h2 {
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 900;
  margin-bottom: 16px;
}

.cta p {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 34px;
}

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

/* ---------- 详细内容区（通用） ---------- */
.detail-section {
  background: var(--bg-secondary);
  padding: 90px 0;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

.detail-article {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.detail-article h3 {
  font-size: 21px;
  font-weight: 700;
  margin: 30px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}

.detail-article p {
  color: var(--text-sub);
  margin-bottom: 14px;
  font-size: 15px;
}

.detail-article img {
  border-radius: var(--radius-md);
  margin: 20px 0;
}

.detail-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
}

.sidebar-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-list li {
  margin-bottom: 12px;
}

.sidebar-list a {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 14px;
  color: var(--text-sub);
  transition: var(--transition);
}

.sidebar-list a:hover {
  color: var(--accent-soft);
  transform: translateX(4px);
}

.sidebar-list a img {
  width: 64px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

/* ---------- 页面头部（内页 Hero） ---------- */
.page-hero {
  padding: 110px 0 70px;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(255, 92, 57, 0.14), transparent 65%),
    linear-gradient(170deg, #0a0e1a 0%, #101a2c 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 120px;
  background: radial-gradient(ellipse, rgba(255, 92, 57, 0.18), transparent 70%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(32px, 4.6vw, 46px);
  font-weight: 900;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease both;
}

.page-hero p {
  font-size: 16px;
  color: var(--text-sub);
  max-width: 620px;
  margin: 0 auto;
  animation: fadeInUp 0.8s 0.15s ease both;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-mute);
  margin-top: 18px;
  animation: fadeInUp 0.8s 0.25s ease both;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb .sep {
  color: var(--text-mute);
}

/* ---------- 关于我们 ---------- */
.about-section {
  background: var(--bg-secondary);
  padding: 90px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px;
  align-items: center;
}

.about-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  height: 420px;
  object-fit: cover;
  width: 100%;
}

.about-content h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 800;
  margin-bottom: 18px;
}

.about-content p {
  color: var(--text-sub);
  margin-bottom: 14px;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.value-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: var(--transition);
}

.value-item:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.value-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 6px;
}

.value-item strong em {
  font-style: normal;
  color: var(--accent);
  margin-right: 8px;
}

.value-item span {
  font-size: 13px;
  color: var(--text-sub);
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 34px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-gold));
}

.timeline-item {
  position: relative;
  margin-bottom: 34px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 4px solid var(--accent);
}

.timeline-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-item .year {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.timeline-item p {
  color: var(--text-sub);
  font-size: 14px;
}

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

.team-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-accent);
}

.team-card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--accent);
}

.team-card h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.team-card p {
  font-size: 13px;
  color: var(--text-sub);
}

/* ---------- 联系页面 ---------- */
.contact-section {
  background: var(--bg-secondary);
  padding: 90px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
}

.contact-info-card h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
}

.contact-info-card > p {
  color: var(--text-sub);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
  align-items: flex-start;
}

.contact-item .c-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 92, 57, 0.12);
  display: grid;
  place-items: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.contact-item span {
  font-size: 14px;
  color: var(--text-sub);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
}

.contact-form h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 92, 57, 0.15);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #ff8a4c);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.form-tip {
  font-size: 12px;
  color: var(--text-mute);
  margin-top: 10px;
  text-align: center;
}

/* ---------- 影视库筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 44px;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), #ff8a4c);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(255, 92, 57, 0.35);
}

/* ---------- 新闻列表 ---------- */
.news-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.news-list-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.news-list-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-accent);
}

.news-list-item img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

.news-list-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.news-cat {
  display: inline-block;
  width: fit-content;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(255, 92, 57, 0.12);
  color: var(--accent-soft);
  font-size: 12px;
  font-weight: 600;
}

.news-list-body h3 {
  font-size: 19px;
  font-weight: 700;
}

.news-list-body p {
  font-size: 14px;
  color: var(--text-sub);
  flex: 1;
}

.news-list-meta {
  font-size: 13px;
  color: var(--text-mute);
  display: flex;
  gap: 18px;
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 48px;
}

.page-btn {
  min-width: 44px;
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.page-btn:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
}

.page-btn.active {
  background: linear-gradient(135deg, var(--accent), #ff8a4c);
  color: #fff;
  border-color: transparent;
}

/* ---------- 文章详情 ---------- */
.article-header {
  margin-bottom: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border);
}

.article-header h1 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.4;
  margin: 14px 0;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: var(--text-mute);
}

.article-body p {
  color: var(--text-sub);
  line-height: 1.9;
  margin-bottom: 16px;
}

.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(255, 92, 57, 0.06);
  padding: 18px 22px;
  margin: 22px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-main);
  font-style: italic;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 34px 0 14px;
}

.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 26px 0 12px;
  color: var(--text-main);
}

.article-body ul {
  padding-left: 22px;
  margin-bottom: 16px;
}

.article-body ul li {
  list-style: disc;
  color: var(--text-sub);
  margin-bottom: 8px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #070b14;
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 48px;
}

.footer-brand {
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-brand .brand-logo {
  width: 36px;
  height: 36px;
  font-size: 18px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-mute);
  margin-bottom: 18px;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--bg-card);
  display: grid;
  place-items: center;
  font-size: 16px;
  color: var(--text-sub);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-4px);
}

.footer-col h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-mute);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent-soft);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-mute);
}

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

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

/* ---------- 回到顶部 ---------- */
.back-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 18px;
  display: grid;
  place-items: center;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid { grid-template-columns: repeat(3, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 520px; margin: 0 auto; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 72px;
    right: 0;
    width: 78%;
    max-width: 340px;
    height: calc(100vh - 72px);
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 26px;
    gap: 6px;
    transform: translateX(100%);
    transition: transform 0.4s ease;
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.4);
    z-index: 999;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu li { width: 100%; }
  .nav-menu li a {
    display: block;
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
  }
  .nav-cta { margin-top: 16px; text-align: center; width: 100%; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .hero { padding: 80px 0 60px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .news-list-item { grid-template-columns: 1fr; }
  .news-list-item img { height: 200px; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .detail-article { padding: 26px 20px; }
  .hero-poster-float { display: none; }
}

@media (max-width: 480px) {
  .content-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; }
}

/* ---------- 无障碍与细节 ---------- */
::selection {
  background: var(--accent);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-card-hover);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

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