/* ============================================
   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 */
.c8249c89c {
  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;
}

.c8249c89c.loaded {
  opacity: 0;
  pointer-events: none;
}

.c5c84fab5 {
  width: 120px;
  height: 100px;
  position: relative;
}

.c5c84fab5 .c484c18d2 {
  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;
}

.c5c84fab5 .ceb848ebb {
  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 */
.ccf58f984 {
  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;
}

.c04434652 {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.cb43469bd {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cb43469bd img {
  height: 40px;
  width: auto;
}

.cb43469bd span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  white-space: nowrap;
}

.c85ac3bb3 {
  display: flex;
  list-style: none;
  gap: 0;
}

.c85ac3bb3 li {
  position: relative;
}

.c85ac3bb3 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);
}

.c85ac3bb3 a:hover,
.c85ac3bb3 a.c5766fdb1 {
  color: var(--color-white);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.c55034ae9 {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.c55034ae9 span {
  width: 25px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* Hero区域 */
.cc951f053 {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 70px;
}

.ca7d9553e {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.c8069e22c {
  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%);
}

.cbf79f427 {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem;
  max-width: 900px;
}

.cbf79f427 h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

.cbf79f427 h1 .c00e5a16f {
  color: var(--color-accent);
}

.cbf79f427 p {
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.c7775e2f7 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 2rem;
  letter-spacing: 2px;
}

/* 按钮样式 */
.ce0e71cf5 {
  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;
}

.c74f00e9c {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.c74f00e9c:hover {
  background: #E53935;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(211, 47, 47, 0.6);
  color: var(--color-white);
  text-decoration: none;
}

.c6f67fa8e {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.c6f67fa8e:hover {
  background: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
}

/* 通用容器 */
.cedbc245e {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* 区块标题 */
.c4138eb91 {
  text-align: center;
  margin-bottom: 3rem;
}

.c4138eb91 h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.c4138eb91 h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

.c4138eb91 p {
  margin-top: 1rem;
  color: var(--color-text);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* 内容区块 */
.ce96347fa {
  padding: 5rem 0;
}

.ce96347fa:nth-child(even) {
  background: var(--color-primary);
}

/* 器材网格 */
.c7769e03b {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.ca436e270 {
  background: var(--color-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
}

.ca436e270:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--color-accent);
}

.ca436e270 .c3a12896d {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-primary);
}

.ca436e270 .c3a12896d img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ca436e270:hover .c3a12896d img {
  transform: scale(1.05);
}

/* 镜头光晕特效 */
.ca436e270 .cb5b13f0b {
  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;
}

.ca436e270:hover .cb5b13f0b {
  left: 100%;
}

.ca436e270 .cc9275a65 {
  padding: 1.5rem;
}

.ca436e270 .c0308f510 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.ca436e270 .cdc308fda {
  font-size: 0.85rem;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.ca436e270 .c71b8bb75 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* 参数表格 */
.ce06e58b8 {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.ce06e58b8 th,
.ce06e58b8 td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.ce06e58b8 th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
}

.ce06e58b8 td {
  font-size: 0.9rem;
  color: var(--color-text);
}

.ce06e58b8 tr:hover td {
  background: rgba(211, 47, 47, 0.05);
}

/* 培训课程区 */
.cbf439c71 {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg) 100%);
}

.cc7643ad7 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.ced303ee4 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.ced303ee4:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 30px rgba(211, 47, 47, 0.1);
}

.ced303ee4 h3 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.ced303ee4 .c3bdb73cf {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--color-accent);
}

/* 器材清单配置器 */
.c032d6fa7 {
  background: var(--color-primary);
}

.c0b466609 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
}

.cc3709b22 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.cf53982ae {
  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);
}

.cf53982ae:hover,
.cf53982ae.c5766fdb1 {
  border-color: var(--color-accent);
  background: rgba(211, 47, 47, 0.1);
}

.cf53982ae .c646c8433 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* DIT技术支持区 */
.c84408baf {
  position: relative;
}

.c03b876cc {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.ccfedda47 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.ccfedda47:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.ccfedda47 .c6c5bf5cb {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  overflow: hidden;
  border: 2px solid var(--color-accent);
}

.ccfedda47 .c6c5bf5cb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 面包屑导航 */
.c040783eb {
  padding: 1rem 0;
  margin-top: 70px;
}

.c6dedef5c {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.c6dedef5c li::after {
  content: '>';
  margin-left: 0.5rem;
  color: var(--color-border);
}

.c6dedef5c li:last-child::after {
  display: none;
}

.c6dedef5c a {
  color: var(--color-text);
}

.c6dedef5c a:hover {
  color: var(--color-accent);
}

/* 页脚 */
.c5fb1a76d {
  background: var(--color-dark);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
}

.cbff64f19 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.c0a509444 h4 {
  color: var(--color-white);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.c0a509444 ul {
  list-style: none;
}

.c0a509444 ul li {
  margin-bottom: 0.5rem;
}

.c0a509444 ul a {
  color: var(--color-text);
  font-size: 0.9rem;
}

.c0a509444 ul a:hover {
  color: var(--color-accent);
}

.cb7f91f9c {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text);
}

.cb7f91f9c a {
  color: var(--color-text);
  margin: 0 0.5rem;
}

/* 页面内容区 */
.cbc04ef96 {
  padding: 3rem 0 5rem;
  min-height: 60vh;
}

.cbc04ef96 h1 {
  margin-bottom: 1.5rem;
}

.cbc04ef96 .cd1cb6917 {
  max-width: 900px;
}

.cbc04ef96 .cd1cb6917 p {
  margin-bottom: 1.5rem;
  line-height: 2;
}

/* FAQ区域 */
.cb9c4b0bd {
  margin-top: 3rem;
}

.c4b61049a {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.c21317cc2 {
  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);
}

.c21317cc2:hover {
  background: rgba(211, 47, 47, 0.05);
}

.c21317cc2::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: var(--transition);
}

.c4b61049a.c5766fdb1 .c21317cc2::after {
  transform: rotate(45deg);
}

.cecd7f92c {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.c4b61049a.c5766fdb1 .cecd7f92c {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

/* 搜索页 */
.cc2d5e9ca {
  max-width: 700px;
  margin: 0 auto;
}

.c77d6bcca {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
}

.c77d6bcca 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;
}

.c77d6bcca input:focus {
  border-color: var(--color-accent);
}

.c77d6bcca 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);
}

.c77d6bcca button:hover {
  background: #E53935;
}

.c127045b7 .result-item {
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.c127045b7 .result-item h3 a {
  color: var(--color-white);
}

.c127045b7 .result-item p {
  font-size: 0.9rem;
  color: var(--color-text);
}

/* 404页面 */
.c4102832d {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 70px;
}

.c4102832d h1 {
  font-size: 8rem;
  color: var(--color-accent);
  line-height: 1;
}

.c4102832d h2 {
  font-size: 2rem;
  margin: 1rem 0;
}

/* APP下载页 */
.c69ad6c53 {
  text-align: center;
  padding: 5rem 0;
}

.c5f91511d {
  max-width: 300px;
  margin: 2rem auto;
}

.c030fc987 {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* 卡口匹配检测仪 */
.ce21bf0a0 {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.ce21bf0a0 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;
}

.cedc59afb {
  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) {
  .c7769e03b {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html { font-size: 14px; }
  
  .c85ac3bb3 {
    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;
  }
  
  .c85ac3bb3.c5766fdb1 {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .c55034ae9 {
    display: flex;
  }
  
  .cbf79f427 h1 {
    font-size: 2rem;
  }
  
  .c7775e2f7 {
    font-size: 1.3rem;
  }
  
  .c7769e03b {
    grid-template-columns: 1fr;
  }
  
  .cbff64f19 {
    grid-template-columns: 1fr;
  }
  
  .cc3709b22 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cedbc245e {
    padding: 0 1rem;
  }
  
  .ce96347fa {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .cbf79f427 h1 {
    font-size: 1.6rem;
  }
  
  .cc3709b22 {
    grid-template-columns: 1fr;
  }
  
  .c030fc987 {
    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 */
.c1dc8a231 {
  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); }
}

.ca436e270:hover .focus-ring-icon {
  animation: focusRing 0.5s ease-in-out;
}

/* 内链样式 */
.c238de9d9 {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.c238de9d9 h4 {
  margin-bottom: 1rem;
}

.c238de9d9 ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.75rem;
}

.c238de9d9 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);
}

.c238de9d9 ul li a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

/* 时间标记 */
.c3338e718 {
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0.7;
  margin-bottom: 1.5rem;
}

/* 返回顶部 */
.cf64b1aed {
  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;
}

.cf64b1aed.visible {
  opacity: 1;
  visibility: visible;
}

.cf64b1aed:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}