/* 
 * 每日大赛 官方网站样式表
 * 视觉风格：医用无菌白 + 赛博义体蓝
 */

:root {
  --color-primary: #00E5FF; /* 赛博神经蓝 */
  --color-accent: #FF0055; /* 故障警告红 */
  --color-bg: #F4F7F6; /* 医用无菌灰白 */
  --color-card: #FFFFFF; /* 高光烤漆白 */
  --color-text: #2B3A42; /* 碳纤维灰 */
  --color-text-light: #6C7A82;
  --font-main: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 32px rgba(0,229,255,0.15);
  --radius: 8px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-main); background: var(--color-bg); color: var(--color-text); line-height: 1.6; overflow-x: hidden; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: #00B3CC; }
img { max-width: 100%; height: auto; display: block; }

/* HUD 扫描动画 */
.hud-scan-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to bottom, rgba(0,229,255,0) 0%, rgba(0,229,255,0.1) 50%, rgba(0,229,255,0) 100%);
  background-size: 100% 10px;
  z-index: 9999; pointer-events: none;
  animation: scan 3s linear infinite; opacity: 0;
}
@keyframes scan { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }

/* 导航栏 */
.c4db33930 {
  background: rgba(255,255,255,0.9); backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 1000;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 5%; box-shadow: var(--shadow-sm);
}
.c35920ce0 { font-size: 1.5rem; font-weight: bold; color: var(--color-text); letter-spacing: 1px; display: flex; align-items: center; gap: 10px;}
.c35920ce0::before { content: ''; display: block; width: 20px; height: 20px; background: var(--color-primary); border-radius: 50%; }
.cd72184da { display: flex; gap: 2rem; }
.cd72184da a { color: var(--color-text); font-weight: 500; }
.cd72184da a:hover { color: var(--color-primary); }
.c0bd12c4f { display: none; cursor: pointer; font-size: 1.5rem; }

/* 按钮 */
.c041f6b15 {
  display: inline-block; padding: 0.8rem 2rem; border-radius: var(--radius);
  font-weight: bold; text-transform: uppercase; letter-spacing: 1px;
  transition: var(--transition); cursor: pointer; border: none; font-family: var(--font-main);
}
.cc60415f6 { background: var(--color-primary); color: #fff; box-shadow: 0 4px 15px rgba(0,229,255,0.3); }
.cc60415f6:hover { background: #00B3CC; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.ca2ea847d { border: 2px solid var(--color-primary); color: var(--color-primary); background: transparent; }
.ca2ea847d:hover { background: var(--color-primary); color: #fff; }

/* 布局通用 */
.c0455b8af { max-width: 1200px; margin: 0 auto; padding: 4rem 20px; }
.cbc0f6878 { text-align: center; font-size: 2.5rem; margin-bottom: 3rem; color: var(--color-text); position: relative; }
.cbc0f6878::after { content: ''; display: block; width: 60px; height: 4px; background: var(--color-primary); margin: 15px auto 0; }

/* 首页 Hero 模块 */
.c31206bda {
  position: relative; height: 90vh; display: flex; align-items: center; overflow: hidden;
  background: #000;
}
.c200786a7 {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.6;
}
.ca0ce2b1c {
  position: relative; z-index: 10; color: #fff; padding: 0 5%; max-width: 800px;
}
.c31206bda h1 { font-size: 4rem; line-height: 1.1; margin-bottom: 1.5rem; font-family: var(--font-mono); }
.c31206bda h1 span { color: var(--color-primary); text-shadow: 0 0 10px rgba(0,229,255,0.5); }
.c31206bda p { font-size: 1.2rem; margin-bottom: 2rem; opacity: 0.9; }
.c9e9accd1 {
  position: absolute; right: 5%; top: 20%; width: 300px;
  background: rgba(0,0,0,0.5); border: 1px solid var(--color-primary);
  padding: 20px; font-family: var(--font-mono); color: var(--color-primary);
  font-size: 0.9rem; border-radius: 4px;
}

/* 网格系统 */
.c6c4e745f { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.c249a1020 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* 卡片 */
.c8d7ce27c {
  background: var(--color-card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid transparent;
}
.c8d7ce27c:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(0,229,255,0.3); }
.c66e400ae { width: 100%; height: 250px; object-fit: cover; }
.c1d728f86 { padding: 1.5rem; }
.c16548f44 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.cb7f1620d { color: var(--color-text-light); font-size: 0.95rem; margin-bottom: 1rem; }

/* 面包屑 */
.c91d35c9a { padding: 20px 5%; font-size: 0.9rem; background: #fff; border-bottom: 1px solid #eee; }
.c91d35c9a a { color: var(--color-text-light); }
.c91d35c9a a::after { content: '>'; margin: 0 10px; }
.c91d35c9a span { color: var(--color-primary); }

/* 文章详情 */
.c2bff9342 { text-align: center; padding: 4rem 0 2rem; }
.cb8409cee { font-size: 2.5rem; margin-bottom: 1rem; }
.cc50c40a9 { color: var(--color-text-light); font-size: 0.9rem; margin-bottom: 2rem; }
.cb6df0d9d { max-width: 800px; margin: 0 auto; padding-bottom: 4rem; font-size: 1.1rem; }
.cb6df0d9d h2 { margin: 2rem 0 1rem; color: var(--color-primary); }
.cb6df0d9d p { margin-bottom: 1.5rem; }
.cb6df0d9d img { border-radius: var(--radius); margin: 2rem 0; box-shadow: var(--shadow-sm); }
.cb6df0d9d ul { margin-bottom: 1.5rem; padding-left: 2rem; }

/* 涂装车间互动区 */
.c6d7bf967 { display: flex; gap: 2rem; background: var(--color-card); padding: 2rem; border-radius: var(--radius); }
.c73a16640 { flex: 2; position: relative; }
.c73a16640 img { width: 100%; border-radius: var(--radius); }
.c5364edef { flex: 1; display: flex; flex-direction: column; gap: 1rem; }
.cc30e34a2 { padding: 15px; border: 2px solid #eee; border-radius: var(--radius); cursor: pointer; font-weight: bold; background: #fff; }
.cc30e34a2.cabe79ae1 { border-color: var(--color-primary); color: var(--color-primary); }

/* 页脚 */
.cb262d449 { background: #1A242A; color: #fff; padding: 4rem 5% 2rem; }
.c3797d044 { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.cb7f1b370 { font-size: 1.2rem; margin-bottom: 1.5rem; color: var(--color-primary); }
.cf6c9aee2 { list-style: none; }
.cf6c9aee2 li { margin-bottom: 0.8rem; }
.cf6c9aee2 a { color: #A0B0B9; }
.cf6c9aee2 a:hover { color: #fff; }
.c9645ef9d { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); color: #A0B0B9; font-size: 0.9rem; }

/* 响应式 */
@media (max-width: 992px) {
  .c6c4e745f, .c249a1020, .grid-4 { grid-template-columns: 1fr 1fr; }
  .c31206bda h1 { font-size: 3rem; }
  .c6d7bf967 { flex-direction: column; }
}
@media (max-width: 768px) {
  .cd72184da { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: #fff; flex-direction: column; padding: 20px; text-align: center; box-shadow: 0 10px 10px rgba(0,0,0,0.1); }
  .cd72184da.cabe79ae1 { display: flex; }
  .c0bd12c4f { display: block; }
  .c6c4e745f, .c249a1020, .grid-4 { grid-template-columns: 1fr; }
  .c31206bda h1 { font-size: 2.2rem; }
  .c9e9accd1 { display: none; }
  .c3797d044 { grid-template-columns: 1fr; }
}