/* ============================================================
   17c 工业复古 Loft 风格主样式表
   www.kkw5lds.cn
   ============================================================ */

/* ---- CSS 变量 ---- */
:root {
  --color-bg:        #1a1a1a;
  --color-bg2:       #222222;
  --color-bg3:       #2a2a2a;
  --color-rust:      #8B3A2A;
  --color-rust-light:#C0522A;
  --color-brick:     #7A3B2E;
  --color-gold:      #C9A84C;
  --color-gold-light:#E8C96A;
  --color-metal:     #4A4A4A;
  --color-metal-light:#6E6E6E;
  --color-wood:      #5C3D1E;
  --color-cement:    #3A3A3A;
  --color-text:      #D4C5B0;
  --color-text-muted:#8A7A68;
  --color-white:     #F0E8DC;
  --color-border:    #3D3028;
  --font-title:      'Georgia', 'STSong', serif;
  --font-body:       'Arial', 'Microsoft YaHei', sans-serif;
  --font-mono:       'Courier New', monospace;
  --shadow-metal:    0 4px 20px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.05);
  --shadow-glow:     0 0 20px rgba(201,168,76,0.3);
  --radius:          4px;
  --transition:      0.3s ease;
}

/* ---- 重置与基础 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

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

a { color: var(--color-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold-light); }

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

ul, ol { list-style: none; }

/* ---- 工业纹理背景 ---- */
.texture-bg {
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.01) 2px,
      rgba(255,255,255,0.01) 4px
    );
}

.brick-bg {
  background-color: var(--color-bg2);
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 60px,
      rgba(122,59,46,0.08) 60px,
      rgba(122,59,46,0.08) 62px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 20px,
      rgba(122,59,46,0.05) 20px,
      rgba(122,59,46,0.05) 22px
    );
}

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

.container-fluid { width: 100%; padding: 0 20px; }

/* ---- 顶部公告栏 ---- */
.top-bar {
  background: var(--color-rust);
  color: var(--color-white);
  text-align: center;
  padding: 6px 20px;
  font-size: 13px;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--color-rust-light);
}

.top-bar a { color: var(--color-gold-light); font-weight: bold; }

/* ---- 导航栏 ---- */
.site-header {
  background: linear-gradient(180deg, #111111 0%, #1a1a1a 100%);
  border-bottom: 2px solid var(--color-rust);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.8);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

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

.logo-mark {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-rust) 0%, var(--color-rust-light) 100%);
  border: 2px solid var(--color-gold);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: bold;
  color: var(--color-white);
  letter-spacing: -1px;
  box-shadow: 0 0 10px rgba(201,168,76,0.3);
  position: relative;
  overflow: hidden;
}

.logo-mark::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.1) 50%, transparent 60%);
  animation: metalShine 4s infinite;
}

@keyframes metalShine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

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

.logo-name {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: bold;
  color: var(--color-white);
  letter-spacing: 2px;
  line-height: 1.2;
}

.logo-tagline {
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav a {
  color: var(--color-text);
  padding: 8px 14px;
  font-size: 14px;
  letter-spacing: 1px;
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-rust);
  transition: all var(--transition);
  transform: translateX(-50%);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-gold);
  background: rgba(139,58,42,0.15);
}

.main-nav a:hover::after,
.main-nav a.active::after { width: 80%; }

/* 汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

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

/* ---- 搜索框 ---- */
.search-bar {
  background: var(--color-bg2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 20px;
}

.search-inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--color-bg3);
  border: 1px solid var(--color-metal);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.4);
}

.search-icon {
  padding: 0 14px;
  color: var(--color-text-muted);
  font-size: 16px;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-size: 14px;
  padding: 10px 0;
  font-family: var(--font-body);
}

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

.search-btn {
  background: var(--color-rust);
  color: var(--color-white);
  border: none;
  padding: 10px 24px;
  font-size: 14px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: background var(--transition);
  font-family: var(--font-body);
}

.search-btn:hover { background: var(--color-rust-light); }

/* ---- 面包屑 ---- */
.breadcrumb {
  padding: 10px 0;
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb .sep { color: var(--color-metal); }
.breadcrumb .current { color: var(--color-gold); }

/* ---- Hero Banner ---- */
.hero-banner {
  position: relative;
  height: 85vh;
  min-height: 500px;
  max-height: 800px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.5) saturate(0.8);
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-banner:hover .hero-bg { transform: scale(1.0); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26,26,26,0.3) 0%,
    rgba(26,26,26,0.1) 40%,
    rgba(26,26,26,0.7) 80%,
    rgba(26,26,26,0.95) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background: var(--color-rust);
  color: var(--color-white);
  font-size: 12px;
  letter-spacing: 3px;
  padding: 4px 16px;
  margin-bottom: 20px;
  text-transform: uppercase;
  border: 1px solid var(--color-rust-light);
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(32px, 6vw, 68px);
  font-weight: bold;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.8);
  letter-spacing: 2px;
}

.hero-title span { color: var(--color-gold); }

.hero-subtitle {
  font-size: clamp(14px, 2vw, 18px);
  color: var(--color-text);
  margin-bottom: 36px;
  letter-spacing: 1px;
  opacity: 0.9;
}

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

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 14px;
  letter-spacing: 2px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-rust);
  color: var(--color-white);
  border-color: var(--color-rust-light);
  box-shadow: 0 4px 15px rgba(139,58,42,0.4);
}

.btn-primary:hover {
  background: var(--color-rust-light);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139,58,42,0.6);
}

.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}

.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.btn-metal {
  background: linear-gradient(135deg, var(--color-metal) 0%, var(--color-metal-light) 50%, var(--color-metal) 100%);
  color: var(--color-white);
  border-color: var(--color-metal-light);
}

.btn-metal:hover {
  background: linear-gradient(135deg, var(--color-metal-light) 0%, #8A8A8A 50%, var(--color-metal-light) 100%);
  color: var(--color-white);
}

/* ---- 区块标题 ---- */
.section { padding: 70px 0; }
.section-alt { background: var(--color-bg2); }
.section-dark { background: var(--color-bg3); }

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--color-rust-light);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(24px, 4vw, 38px);
  color: var(--color-white);
  margin-bottom: 14px;
  letter-spacing: 2px;
  line-height: 1.3;
}

.section-title span { color: var(--color-gold); }

.section-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin: 16px 0 0;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-rust));
}

.section-divider::after {
  background: linear-gradient(90deg, var(--color-rust), transparent);
}

.divider-icon {
  color: var(--color-rust);
  font-size: 14px;
}

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

.video-card {
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
}

.video-card:hover {
  border-color: var(--color-rust);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5), 0 0 20px rgba(139,58,42,0.2);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg3);
}

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

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

/* 金属光泽覆盖层 */
.video-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(201,168,76,0.0) 40%,
    rgba(201,168,76,0.15) 50%,
    rgba(201,168,76,0.0) 60%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 2;
  pointer-events: none;
}

.video-card:hover .video-thumb::before { opacity: 1; }

/* 锈迹颗粒效果 */
.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(139,58,42,0.3) 1px, transparent 1px),
    radial-gradient(circle at 60% 70%, rgba(139,58,42,0.2) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, rgba(139,58,42,0.25) 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, rgba(139,58,42,0.2) 1px, transparent 1px);
  background-size: 30px 30px, 50px 50px, 40px 40px, 35px 35px;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 2;
  pointer-events: none;
  animation: rustShake 0.3s ease infinite;
  animation-play-state: paused;
}

.video-card:hover .video-thumb::after {
  opacity: 1;
  animation-play-state: running;
}

@keyframes rustShake {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(0.5px, -0.5px); }
  50% { transform: translate(-0.5px, 0.5px); }
  75% { transform: translate(0.5px, 0.5px); }
}

/* 播放按钮 */
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 56px;
  height: 56px;
  background: rgba(139,58,42,0.9);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition);
  z-index: 3;
  box-shadow: 0 0 20px rgba(201,168,76,0.5);
}

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

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

/* 视频标签 */
.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-rust);
  color: var(--color-white);
  font-size: 11px;
  padding: 3px 8px;
  letter-spacing: 1px;
  z-index: 3;
}

/* 视频时长 */
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: var(--color-white);
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 2px;
  font-family: var(--font-mono);
  z-index: 3;
}

.video-info {
  padding: 16px;
}

.video-title {
  font-size: 15px;
  color: var(--color-white);
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--color-text-muted);
}

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

.video-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.tag {
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: 2px;
  transition: all var(--transition);
}

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

/* ---- 图片卡片 ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0,0,0,0.5);
}

.card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

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

.card:hover .card-img img { transform: scale(1.06); }

.card-body { padding: 18px; }

.card-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--color-white);
  margin-bottom: 8px;
  font-family: var(--font-title);
}

.card-text {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---- 品牌故事模块 ---- */
.story-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-block.reverse { direction: rtl; }
.story-block.reverse > * { direction: ltr; }

.story-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.story-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: saturate(0.85);
}

.story-img::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--color-rust);
  z-index: 1;
  pointer-events: none;
  opacity: 0.6;
}

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

.story-label {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--color-rust-light);
  text-transform: uppercase;
  margin-bottom: 14px;
  font-family: var(--font-mono);
}

.story-title {
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 32px);
  color: var(--color-white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.story-text {
  color: var(--color-text);
  line-height: 1.9;
  margin-bottom: 24px;
  font-size: 15px;
}

/* ---- 影像墙 ---- */
.gallery-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1/1;
  cursor: pointer;
}

.gallery-item:first-child {
  grid-column: span 2;
  aspect-ratio: 2/1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.3s ease;
  filter: saturate(0.7);
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: saturate(1.1);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,26,0.6);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.gallery-item-title {
  color: var(--color-white);
  font-size: 14px;
  font-weight: bold;
}

/* ---- AI工坊模块 ---- */
.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.ai-tool-card {
  background: var(--color-bg3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all 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-gold), var(--color-rust));
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.ai-tool-card:hover {
  border-color: var(--color-rust);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.ai-tool-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--color-rust) 0%, var(--color-rust-light) 100%);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-white);
}

.ai-tool-name {
  font-size: 16px;
  font-weight: bold;
  color: var(--color-white);
  margin-bottom: 8px;
}

.ai-tool-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---- 创作者模块 ---- */
.creator-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.creator-card {
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}

.creator-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.creator-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 14px;
  border: 3px solid var(--color-rust);
}

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

.creator-name {
  font-size: 16px;
  font-weight: bold;
  color: var(--color-white);
  margin-bottom: 4px;
}

.creator-role {
  font-size: 12px;
  color: var(--color-rust-light);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.creator-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.creator-stats strong {
  display: block;
  font-size: 16px;
  color: var(--color-gold);
}

/* ---- 评价模块 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  transition: all var(--transition);
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 20px;
  font-size: 60px;
  color: var(--color-rust);
  opacity: 0.3;
  font-family: var(--font-title);
  line-height: 1;
}

.review-card:hover {
  border-color: var(--color-rust);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.review-text {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
  padding-top: 20px;
}

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

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-rust);
  background: var(--color-bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--color-gold);
  font-weight: bold;
  flex-shrink: 0;
}

.review-name {
  font-size: 14px;
  font-weight: bold;
  color: var(--color-white);
}

.review-stars {
  font-size: 12px;
  color: var(--color-gold);
  letter-spacing: 2px;
}

/* ---- FAQ模块 ---- */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}

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

.faq-question {
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--color-bg2);
  transition: background var(--transition);
  font-size: 15px;
  color: var(--color-white);
  font-weight: bold;
}

.faq-question:hover { background: var(--color-bg3); }

.faq-item.active .faq-question { background: rgba(139,58,42,0.15); color: var(--color-gold); }

.faq-arrow {
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-metal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-text-muted);
}

.faq-item.active .faq-arrow { transform: rotate(180deg); color: var(--color-gold); border-color: var(--color-gold); }

.faq-answer {
  display: none;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-bg3);
  border-top: 1px solid var(--color-border);
}

.faq-item.active .faq-answer { display: block; }

/* ---- 合作伙伴 ---- */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
}

.partner-item {
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-muted);
  transition: all var(--transition);
  font-weight: bold;
  letter-spacing: 1px;
}

.partner-item:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(201,168,76,0.05);
}

/* ---- 联系模块 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info { }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--color-rust);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-label {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-value {
  font-size: 14px;
  color: var(--color-white);
}

/* ---- 页脚 ---- */
.site-footer {
  background: #111111;
  border-top: 2px solid var(--color-rust);
  padding: 50px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-name { font-size: 26px; margin-bottom: 12px; }

.footer-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: bold;
  color: var(--color-white);
  letter-spacing: 2px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.footer-links { display: flex; flex-direction: column; gap: 8px; }

.footer-links a {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a::before {
  content: '›';
  color: var(--color-rust);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 12px;
  color: var(--color-text-muted);
}

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

.footer-icp {
  font-size: 12px;
  color: var(--color-text-muted);
}

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

.social-btn {
  width: 34px;
  height: 34px;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--color-text-muted);
  transition: all var(--transition);
  text-decoration: none;
}

.social-btn:hover {
  border-color: var(--color-rust);
  color: var(--color-rust-light);
  background: rgba(139,58,42,0.15);
}

/* ---- 内页通用 ---- */
.page-hero {
  position: relative;
  height: 300px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4) saturate(0.7);
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.95) 0%, transparent 60%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  padding: 30px 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.page-title {
  font-family: var(--font-title);
  font-size: clamp(28px, 5vw, 48px);
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.page-subtitle {
  font-size: 15px;
  color: var(--color-text-muted);
}

/* ---- 文章列表 ---- */
.article-list { display: flex; flex-direction: column; gap: 24px; }

.article-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.article-item:hover {
  border-color: var(--color-rust);
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

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

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

.article-item:hover .article-img img { transform: scale(1.06); }

.article-body {
  padding: 20px 20px 20px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-category {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--color-rust-light);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.article-title {
  font-size: 18px;
  font-weight: bold;
  color: var(--color-white);
  margin-bottom: 10px;
  line-height: 1.4;
  font-family: var(--font-title);
}

.article-excerpt {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---- 工具类 ---- */
.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-rust { color: var(--color-rust-light); }
.text-muted { color: var(--color-text-muted); }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }

.divider-line {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 30px 0;
}

/* 金属分隔线 */
.metal-divider {
  height: 3px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-metal) 20%,
    var(--color-rust) 50%,
    var(--color-metal) 80%,
    transparent 100%
  );
  margin: 40px 0;
}

/* 铆钉装饰 */
.rivets {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  margin: 20px 0;
}

.rivet {
  width: 8px;
  height: 8px;
  background: radial-gradient(circle at 35% 35%, var(--color-metal-light), var(--color-metal));
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* 统计数字 */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item { padding: 20px; }

.stat-number {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: bold;
  color: var(--color-gold);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 2px;
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .story-block { grid-template-columns: 1fr; gap: 30px; }
  .story-block.reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #111111;
    flex-direction: column;
    padding: 16px;
    border-top: 1px solid var(--color-border);
    gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 16px; width: 100%; }
  .nav-toggle { display: flex; }
  .nav-wrapper { position: relative; }

  .hero-banner { height: 70vh; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .gallery-wall { grid-template-columns: 1fr 1fr; }
  .gallery-item:first-child { grid-column: span 2; }
  .article-item { grid-template-columns: 1fr; }
  .article-img { aspect-ratio: 16/9; }
  .article-body { padding: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 50px 0; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .creator-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- 懒加载占位 ---- */
img[data-src] {
  background: var(--color-bg3);
  min-height: 100px;
}

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-rust); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-rust-light); }

/* ---- 选中文字 ---- */
::selection { background: var(--color-rust); color: var(--color-white); }