/* ============================================
   广播级影视器材租赁与斯坦尼康稳定器实操网 - 主样式表
   电影机哑光黑+碳纤维红 重型工业视觉
   ============================================ */

/* CSS变量定义 */
:root {
  --color-primary: #111111;       /* 器材哑光黑 */
  --color-accent: #D32F2F;        /* ARRI红/录制红 */
  --color-bg: #1E1E1E;            /* 深灰摄影棚底色 */
  --color-card: #2A2A2A;          /* 金属机身灰 */
  --color-text: #CCCCCC;          /* 刻度白 */
  --color-white: #FFFFFF;
  --color-dark: #0A0A0A;
  --color-border: #3A3A3A;
  --font-heading: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1400px;
  --radius: 4px;
  --shadow: 0 4px 20px rgba(0,0,0,0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

a:hover {
  color: #FF5252;
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-white);
  line-height: 1.3;
  font-weight: 700;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

/* 场记板加载动画 */
.c1565120b {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.5s ease;
}

.c1565120b.loaded {
  opacity: 0;
  pointer-events: none;
}

.c9c026da4 {
  width: 120px;
  height: 100px;
  position: relative;
}

.c9c026da4 .c9970e3ab {
  width: 120px;
  height: 30px;
  background: var(--color-accent);
  border-radius: 4px 4px 0 0;
  transform-origin: bottom left;
  animation: clap 1.2s ease-in-out infinite;
}

.c9c026da4 .ce70f2113 {
  width: 120px;
  height: 70px;
  background: var(--color-card);
  border-radius: 0 0 4px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
}

@keyframes clap {
  0%, 100% { transform: rotate(0deg); }
  30% { transform: rotate(-30deg); }
  50% { transform: rotate(0deg); }
}

/* 导航栏 */
.cbd756bc8 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 9999;
  padding: 0 2rem;
}

.ce1df8d68 {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.c078c261a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.c078c261a img {
  height: 40px;
  width: auto;
}

.c078c261a span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  white-space: nowrap;
}

.cf6696d6f {
  display: flex;
  list-style: none;
  gap: 0;
}

.cf6696d6f li {
  position: relative;
}

.cf6696d6f a {
  display: block;
  padding: 0.75rem 1.2rem;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.cf6696d6f a:hover,
.cf6696d6f a.c28c02baf {
  color: var(--color-white);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.cf85e64b3 {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.cf85e64b3 span {
  width: 25px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* Hero区域 */
.c82abac89 {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 70px;
}

.c209c57fa {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.c045cdd91 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10,10,10,0.7) 0%, rgba(30,30,30,0.9) 100%);
}

.cc95e536e {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem;
  max-width: 900px;
}

.cc95e536e h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

.cc95e536e h1 .cc8cef5a6 {
  color: var(--color-accent);
}

.cc95e536e p {
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.c849d389e {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 2rem;
  letter-spacing: 2px;
}

/* 按钮样式 */
.ca84f4007 {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.c684333c8 {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.c684333c8:hover {
  background: #E53935;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(211, 47, 47, 0.6);
  color: var(--color-white);
  text-decoration: none;
}

.c0e89b492 {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.c0e89b492:hover {
  background: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
}

/* 通用容器 */
.c6473a903 {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* 区块标题 */
.c8acfaf47 {
  text-align: center;
  margin-bottom: 3rem;
}

.c8acfaf47 h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.c8acfaf47 h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

.c8acfaf47 p {
  margin-top: 1rem;
  color: var(--color-text);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* 内容区块 */
.cc69f521f {
  padding: 5rem 0;
}

.cc69f521f:nth-child(even) {
  background: var(--color-primary);
}

/* 器材网格 */
.cb23530aa {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.c9480755e {
  background: var(--color-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
}

.c9480755e:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--color-accent);
}

.c9480755e .c11a06081 {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-primary);
}

.c9480755e .c11a06081 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.c9480755e:hover .c11a06081 img {
  transform: scale(1.05);
}

/* 镜头光晕特效 */
.c9480755e .c863623da {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(211,47,47,0.15), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}

.c9480755e:hover .c863623da {
  left: 100%;
}

.c9480755e .cd32085fb {
  padding: 1.5rem;
}

.c9480755e .c2af4a9c7 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.c9480755e .c3aefb16c {
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.c9480755e .c589c701d {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* 参数表格 */
.c7e543c95 {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.c7e543c95 th,
.c7e543c95 td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.c7e543c95 th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
}

.c7e543c95 td {
  font-size: 0.9rem;
  color: var(--color-text);
}

.c7e543c95 tr:hover td {
  background: rgba(211, 47, 47, 0.05);
}

/* 培训课程区 */
.c60b21c65 {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg) 100%);
}

.ccf1e3583 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.c5e897ec2 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.c5e897ec2:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 30px rgba(211, 47, 47, 0.1);
}

.c5e897ec2 h3 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.c5e897ec2 .c9fbfffac {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--color-accent);
}

/* 器材清单配置器 */
.cefef211a {
  background: var(--color-primary);
}

.cf2b640c6 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
}

.c7c6a9418 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.c56c6b856 {
  background: var(--color-bg);
  padding: 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.c56c6b856:hover,
.c56c6b856.c28c02baf {
  border-color: var(--color-accent);
  background: rgba(211, 47, 47, 0.1);
}

.c56c6b856 .c0ad30df6 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* DIT技术支持区 */
.c22d86252 {
  position: relative;
}

.cec9ae933 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.caf2bc992 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.caf2bc992:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.caf2bc992 .ceb141410 {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  overflow: hidden;
  border: 2px solid var(--color-accent);
}

.caf2bc992 .ceb141410 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 面包屑导航 */
.c4fc71d79 {
  padding: 1rem 0;
  margin-top: 70px;
}

.cd9b2dab7 {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.cd9b2dab7 li::after {
  content: '>';
  margin-left: 0.5rem;
  color: var(--color-border);
}

.cd9b2dab7 li:last-child::after {
  display: none;
}

.cd9b2dab7 a {
  color: var(--color-text);
}

.cd9b2dab7 a:hover {
  color: var(--color-accent);
}

/* 页脚 */
.cec69e3fe {
  background: var(--color-dark);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
}

.cbb42306a {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.ced0b24ea h4 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.ced0b24ea ul {
  list-style: none;
}

.ced0b24ea ul li {
  margin-bottom: 0.5rem;
}

.ced0b24ea ul a {
  color: var(--color-text);
  font-size: 0.9rem;
}

.ced0b24ea ul a:hover {
  color: var(--color-accent);
}

.c1135a928 {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text);
}

.c1135a928 a {
  color: var(--color-text);
  margin: 0 0.5rem;
}

/* 页面内容区 */
.cc474aa14 {
  padding: 3rem 0 5rem;
  min-height: 60vh;
}

.cc474aa14 h1 {
  margin-bottom: 1.5rem;
}

.cc474aa14 .ccaffc8c7 {
  max-width: 900px;
}

.cc474aa14 .ccaffc8c7 p {
  margin-bottom: 1.5rem;
  line-height: 2;
}

/* FAQ区域 */
.c93b3eaa6 {
  margin-top: 3rem;
}

.c5f3dd8ce {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.ca35e6a34 {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--color-white);
  transition: var(--transition);
}

.ca35e6a34:hover {
  background: rgba(211, 47, 47, 0.05);
}

.ca35e6a34::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: var(--transition);
}

.c5f3dd8ce.c28c02baf .ca35e6a34::after {
  transform: rotate(45deg);
}

.cd36fe3ca {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.c5f3dd8ce.c28c02baf .cd36fe3ca {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

/* 搜索页 */
.c4ffc78f6 {
  max-width: 700px;
  margin: 0 auto;
}

.c51f44a21 {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
}

.c51f44a21 input {
  flex: 1;
  padding: 1rem 1.5rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  color: var(--color-white);
  font-size: 1rem;
  outline: none;
}

.c51f44a21 input:focus {
  border-color: var(--color-accent);
}

.c51f44a21 button {
  padding: 1rem 2rem;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.c51f44a21 button:hover {
  background: #E53935;
}

.c226310ed .result-item {
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.c226310ed .result-item h3 a {
  color: var(--color-white);
}

.c226310ed .result-item p {
  font-size: 0.9rem;
  color: var(--color-text);
}

/* 404页面 */
.c61409955 {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 70px;
}

.c61409955 h1 {
  font-size: 8rem;
  color: var(--color-accent);
  line-height: 1;
}

.c61409955 h2 {
  font-size: 2rem;
  margin: 1rem 0;
}

/* APP下载页 */
.c45b26237 {
  text-align: center;
  padding: 5rem 0;
}

.c95666918 {
  max-width: 300px;
  margin: 2rem auto;
}

.c0a799a2a {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* 卡口匹配检测仪 */
.c5fa383d0 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.c5fa383d0 select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-white);
  border-radius: var(--radius);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.c858362a2 {
  padding: 1rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-accent);
}

/* 宽容度对比滑块 */
.dr-comparison {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: col-resize;
}

.dr-comparison .slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
  left: 50%;
  z-index: 10;
}

.dr-comparison .slider-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-white);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .cb23530aa {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html { font-size: 14px; }
  
  .cf6696d6f {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: 1rem 0;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }
  
  .cf6696d6f.c28c02baf {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .cf85e64b3 {
    display: flex;
  }
  
  .cc95e536e h1 {
    font-size: 2rem;
  }
  
  .c849d389e {
    font-size: 1.3rem;
  }
  
  .cb23530aa {
    grid-template-columns: 1fr;
  }
  
  .cbb42306a {
    grid-template-columns: 1fr;
  }
  
  .c7c6a9418 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .c6473a903 {
    padding: 0 1rem;
  }
  
  .cc69f521f {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .cc95e536e h1 {
    font-size: 1.6rem;
  }
  
  .c7c6a9418 {
    grid-template-columns: 1fr;
  }
  
  .c0a799a2a {
    flex-direction: column;
    align-items: center;
  }
}

/* Schema标记隐藏文本 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 录制指示灯动画 */
.c766ccc15 {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: blink 1.5s infinite;
  margin-right: 0.5rem;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* 对焦环旋转动画 */
@keyframes focusRing {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(15deg); }
}

.c9480755e:hover .focus-ring-icon {
  animation: focusRing 0.5s ease-in-out;
}

/* 内链样式 */
.ce6372fd3 {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.ce6372fd3 h4 {
  margin-bottom: 1rem;
}

.ce6372fd3 ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.75rem;
}

.ce6372fd3 ul li a {
  display: block;
  padding: 0.5rem 1rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: var(--transition);
}

.ce6372fd3 ul li a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* 时间标记 */
.c236561d7 {
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0.7;
  margin-bottom: 1.5rem;
}

/* 返回顶部 */
.c1ab5d907 {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 45px;
  height: 45px;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.c1ab5d907.visible {
  opacity: 1;
  visibility: visible;
}

.c1ab5d907:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}