/* 蘑菇影视 - 工业复古Loft风格主样式 */
/* Industrial Vintage Loft Style */

:root {
  --color-dark: #1a1a1a;
  --color-charcoal: #2c2c2c;
  --color-rust: #8b3a2a;
  --color-rust-light: #c0522e;
  --color-brick: #7a3b2e;
  --color-metal: #4a4a4a;
  --color-metal-light: #6e6e6e;
  --color-wood: #6b4c2a;
  --color-concrete: #3d3d3d;
  --color-gold: #b8860b;
  --color-amber: #d4820a;
  --color-cream: #e8d5b0;
  --color-text: #d0c8b8;
  --color-text-muted: #8a8070;
  --font-heading: 'Georgia', 'STSong', '宋体', serif;
  --font-body: 'Arial', 'Microsoft YaHei', '微软雅黑', sans-serif;
  --transition: all 0.3s ease;
  --shadow-metal: 0 4px 20px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.05);
  --border-metal: 1px solid rgba(139,58,42,0.4);
  --radius: 2px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-dark);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-charcoal); }
::-webkit-scrollbar-thumb { background: var(--color-rust); border-radius: 3px; }

/* ===== 通用排版 ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-cream);
  line-height: 1.3;
  font-weight: 700;
}

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

a:hover { color: var(--color-rust-light); }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

/* ===== 工业质感分隔线 ===== */
.industrial-divider {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-rust), var(--color-amber), var(--color-rust), transparent);
  margin: 0;
  position: relative;
}

.industrial-divider::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 5px;
  background: var(--color-amber);
  box-shadow: 0 0 10px var(--color-amber);
}

/* ===== 节标题 ===== */
.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--color-cream);
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-rust), var(--color-amber));
}

.section-title p {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-top: 12px;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26,26,26,0.95);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-metal);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-rust), var(--color-charcoal));
  border: 2px solid var(--color-rust);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 0 10px rgba(139,58,42,0.4);
  overflow: hidden;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-cream);
  letter-spacing: 2px;
}

.logo-tagline {
  font-size: 0.65rem;
  color: var(--color-rust-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.main-nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 8px 16px;
  letter-spacing: 1px;
  position: relative;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-cream);
  border-bottom-color: var(--color-rust);
}

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-cream);
  transition: var(--transition);
}

/* ===== 搜索框 ===== */
.search-bar-wrapper {
  background: rgba(44,44,44,0.9);
  border-bottom: var(--border-metal);
  padding: 10px 0;
  margin-top: 70px;
}

.search-bar-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 0;
}

.search-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-charcoal);
  border: var(--border-metal);
  border-right: none;
  border-radius: 2px 0 0 2px;
  overflow: hidden;
}

.search-input-wrap::before {
  content: '🔍';
  padding: 0 12px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 0.9rem;
  padding: 10px 12px 10px 0;
  font-family: var(--font-body);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-btn {
  background: linear-gradient(135deg, var(--color-rust), var(--color-rust-light));
  color: var(--color-cream);
  border: none;
  padding: 10px 24px;
  font-size: 0.9rem;
  cursor: pointer;
  letter-spacing: 1px;
  border-radius: 0 2px 2px 0;
  transition: var(--transition);
  font-family: var(--font-body);
}

.search-btn:hover {
  background: linear-gradient(135deg, var(--color-rust-light), var(--color-amber));
}

/* ===== 首屏Banner ===== */
.hero-banner {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  filter: brightness(0.45);
  transition: transform 0.1s ease;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,26,26,0.7) 0%,
    rgba(139,58,42,0.15) 50%,
    rgba(26,26,26,0.8) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
  max-width: 900px;
}

.hero-badge {
  display: inline-block;
  background: rgba(139,58,42,0.3);
  border: 1px solid var(--color-rust);
  color: var(--color-rust-light);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 18px;
  margin-bottom: 20px;
  border-radius: 1px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--color-cream);
  text-shadow: 0 2px 20px rgba(0,0,0,0.8);
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero-title .brand-highlight {
  color: var(--color-amber);
  text-shadow: 0 0 30px rgba(212,130,10,0.5);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--color-rust), var(--color-rust-light));
  color: var(--color-cream);
  padding: 14px 36px;
  border: none;
  font-size: 1rem;
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  border-radius: var(--radius);
  box-shadow: 0 4px 15px rgba(139,58,42,0.4);
  font-family: var(--font-body);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-rust-light), var(--color-amber));
  color: var(--color-cream);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139,58,42,0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--color-cream);
  padding: 14px 36px;
  border: 1px solid rgba(232,213,176,0.4);
  font-size: 1rem;
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  border-radius: var(--radius);
  font-family: var(--font-body);
}

.btn-secondary:hover {
  background: rgba(232,213,176,0.1);
  border-color: var(--color-cream);
  color: var(--color-cream);
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  animation: bounce 2s infinite;
}

.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-rust), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-8px); }
}

/* ===== 视频卡片 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.video-card {
  background: var(--color-charcoal);
  border: var(--border-metal);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.video-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-rust-light);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5), 0 0 0 1px rgba(139,58,42,0.3);
}

.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--color-metal);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.05);
}

/* 金属光泽反射效果 */
.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 30%,
    rgba(255,255,255,0) 45%,
    rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0) 55%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.video-card:hover .video-thumb::after {
  opacity: 1;
  animation: metalShine 0.6s ease forwards;
}

@keyframes metalShine {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 锈迹颗粒抖动效果 */
.video-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

.video-card:hover .video-thumb::before {
  opacity: 1;
  animation: rustShake 0.3s ease infinite alternate;
}

@keyframes rustShake {
  0% { transform: translate(0, 0) rotate(0deg); opacity: 0.6; }
  25% { transform: translate(0.5px, 0.5px) rotate(0.1deg); }
  50% { transform: translate(-0.5px, 0.5px) rotate(-0.1deg); }
  75% { transform: translate(0.5px, -0.5px) rotate(0.1deg); }
  100% { transform: translate(-0.5px, -0.5px) rotate(-0.1deg); opacity: 0.8; }
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 56px;
  height: 56px;
  background: rgba(139,58,42,0.85);
  border: 2px solid rgba(232,213,176,0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 3;
  box-shadow: 0 0 20px rgba(139,58,42,0.6);
}

.play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--color-cream);
  margin-left: 4px;
}

.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: var(--color-cream);
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 2px;
  z-index: 2;
}

.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--color-rust);
  color: var(--color-cream);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 1px;
  letter-spacing: 1px;
  z-index: 2;
}

.video-info {
  padding: 16px;
}

.video-title {
  font-size: 0.95rem;
  color: var(--color-cream);
  margin-bottom: 8px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== 品牌故事模块 ===== */
.story-section {
  background: var(--color-charcoal);
  position: relative;
  overflow: hidden;
}

.story-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%238b3a2a' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.story-content h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--color-cream);
}

.story-content p {
  color: var(--color-text);
  line-height: 1.9;
  margin-bottom: 16px;
}

.story-content .quote {
  border-left: 3px solid var(--color-rust);
  padding-left: 20px;
  color: var(--color-amber);
  font-style: italic;
  font-size: 1.05rem;
  margin: 24px 0;
}

.story-image {
  position: relative;
}

.story-image img {
  width: 100%;
  border-radius: var(--radius);
  border: var(--border-metal);
}

.story-image::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid rgba(139,58,42,0.3);
  border-radius: var(--radius);
  z-index: -1;
}

/* ===== 影像作品墙 ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 16px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: var(--border-metal);
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item:first-child {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: var(--color-cream);
  font-size: 0.85rem;
}

/* ===== AI工坊模块 ===== */
.ai-section {
  background: linear-gradient(135deg, var(--color-dark) 0%, rgba(44,44,44,0.5) 100%);
}

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.ai-tool-card {
  background: var(--color-charcoal);
  border: var(--border-metal);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ai-tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-rust), var(--color-amber));
}

.ai-tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-rust-light);
  box-shadow: var(--shadow-metal);
}

.ai-tool-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.ai-tool-card h3 {
  font-size: 1.05rem;
  color: var(--color-cream);
  margin-bottom: 10px;
}

.ai-tool-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.ai-tool-badge {
  display: inline-block;
  margin-top: 12px;
  background: rgba(139,58,42,0.2);
  border: 1px solid var(--color-rust);
  color: var(--color-rust-light);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 1px;
  letter-spacing: 1px;
}

/* ===== 达人模块 ===== */
.creators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.creator-card {
  text-align: center;
  transition: var(--transition);
}

.creator-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  border: 3px solid var(--color-rust);
  box-shadow: 0 0 20px rgba(139,58,42,0.3);
  transition: var(--transition);
}

.creator-card:hover .creator-avatar {
  border-color: var(--color-amber);
  box-shadow: 0 0 30px rgba(212,130,10,0.4);
}

.creator-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.creator-name {
  font-size: 1rem;
  color: var(--color-cream);
  margin-bottom: 4px;
}

.creator-role {
  font-size: 0.8rem;
  color: var(--color-rust-light);
  margin-bottom: 8px;
}

.creator-stats {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ===== 用户评价 ===== */
.reviews-section {
  background: var(--color-charcoal);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--color-dark);
  border: var(--border-metal);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  transition: var(--transition);
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 4rem;
  color: var(--color-rust);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.review-card:hover {
  border-color: var(--color-rust-light);
  transform: translateY(-2px);
}

.review-stars {
  color: var(--color-amber);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.review-text {
  color: var(--color-text);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-rust), var(--color-metal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-cream);
  font-weight: 700;
  flex-shrink: 0;
}

.review-author-info .name {
  font-size: 0.9rem;
  color: var(--color-cream);
  font-weight: 600;
}

.review-author-info .location {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--color-dark);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: var(--border-metal);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  padding: 18px 24px;
  background: var(--color-charcoal);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(139,58,42,0.15);
}

.faq-question h3 {
  font-size: 0.95rem;
  color: var(--color-cream);
  font-weight: 600;
}

.faq-toggle {
  width: 24px;
  height: 24px;
  border: 1px solid var(--color-rust);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-rust-light);
  font-size: 1rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
  background: var(--color-rust);
  color: var(--color-cream);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  background: var(--color-dark);
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 16px 24px;
  color: var(--color-text);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== 合作伙伴 ===== */
.partners-section {
  background: var(--color-charcoal);
}

.partners-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 60px;
}

.partner-logo {
  background: var(--color-dark);
  border: var(--border-metal);
  border-radius: var(--radius);
  padding: 16px 28px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  letter-spacing: 1px;
  transition: var(--transition);
}

.partner-logo:hover {
  border-color: var(--color-rust-light);
  color: var(--color-cream);
}

/* ===== 联系模块 ===== */
.contact-section {
  background: var(--color-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
}

.contact-block h3 {
  font-size: 1.1rem;
  color: var(--color-cream);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(139,58,42,0.3);
}

.contact-block p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 8px;
}

.contact-block a {
  color: var(--color-amber);
  font-size: 0.88rem;
}

.qr-placeholder {
  width: 100px;
  height: 100px;
  background: var(--color-charcoal);
  border: var(--border-metal);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 12px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #111;
  border-top: var(--border-metal);
  padding: 40px 0 20px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.footer-brand .logo-name {
  font-size: 1.2rem;
  margin-bottom: 8px;
  display: block;
}

.footer-brand p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  max-width: 280px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.85rem;
  color: var(--color-cream);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  margin-bottom: 8px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--color-rust-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(139,58,42,0.2);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

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

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 32px;
  height: 32px;
  background: var(--color-charcoal);
  border: var(--border-metal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--color-rust);
  border-color: var(--color-rust);
  color: var(--color-cream);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

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

.breadcrumb span {
  margin: 0 8px;
  color: var(--color-rust);
}

/* ===== 内页Banner ===== */
.page-banner {
  height: 320px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 120px;
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
}

.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(26,26,26,0.8), rgba(26,26,26,0.3));
}

.page-banner-content {
  position: relative;
  z-index: 2;
  padding: 0 40px;
}

.page-banner-content h1 {
  font-size: 2.5rem;
  color: var(--color-cream);
  margin-bottom: 10px;
}

.page-banner-content p {
  color: var(--color-text);
  font-size: 1rem;
}

/* ===== 文章卡片 ===== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.article-card {
  background: var(--color-charcoal);
  border: var(--border-metal);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-rust-light);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.article-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .article-thumb img {
  transform: scale(1.05);
}

.article-body {
  padding: 20px;
}

.article-category {
  display: inline-block;
  background: rgba(139,58,42,0.2);
  border: 1px solid var(--color-rust);
  color: var(--color-rust-light);
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 1px;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.article-body h3 {
  font-size: 1rem;
  color: var(--color-cream);
  margin-bottom: 8px;
  line-height: 1.4;
}

.article-body p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.article-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 12px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .story-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item:first-child { grid-column: span 2; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 16px; }
  .main-nav { display: none; position: fixed; top: 70px; left: 0; right: 0; background: rgba(26,26,26,0.98); flex-direction: column; padding: 20px; gap: 4px; border-bottom: var(--border-metal); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-bottom: 1px solid rgba(139,58,42,0.1); width: 100%; }
  .nav-toggle { display: flex; }
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .section-padding { padding: 50px 0; }
  .section-title h2 { font-size: 1.6rem; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
  .footer-links { gap: 30px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item:first-child { grid-column: span 1; aspect-ratio: 16/9; }
  .page-banner { height: 220px; margin-top: 120px; }
  .page-banner-content h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 280px; text-align: center; }
  .creators-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 懒加载占位 ===== */
img[loading="lazy"] {
  background: var(--color-charcoal);
  min-height: 100px;
}

/* ===== 进度条装饰 ===== */
.skill-bar {
  background: var(--color-metal);
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
  margin-top: 6px;
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-rust), var(--color-amber));
  border-radius: 2px;
  transition: width 1s ease;
}

/* ===== 数字统计 ===== */
.stats-row {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 40px 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-amber);
  font-family: var(--font-heading);
  display: block;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

/* ===== 加入仓库 ===== */
.join-section {
  background: linear-gradient(135deg, rgba(139,58,42,0.15), rgba(26,26,26,0.9));
  border-top: var(--border-metal);
  border-bottom: var(--border-metal);
  text-align: center;
  padding: 60px 20px;
}

.join-section h2 {
  font-size: 2rem;
  color: var(--color-cream);
  margin-bottom: 16px;
}

.join-section p {
  color: var(--color-text);
  margin-bottom: 30px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}