/* 17c一起草 - 原创品牌网站 CSS 样式表 */
/* 设计理念：温暖、现代、专业的影视传媒品牌形象 */

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

:root {
  /* 原创品牌色彩方案 */
  --primary-coral: #FF6B6B;
  --primary-rose: #E85D75;
  --primary-peach: #FFB366;
  --accent-gold: #FFD700;
  --dark-bg: #1A1A1A;
  --light-bg: #FAFAFA;
  --text-dark: #2C2C2C;
  --text-light: #F5F5F5;
  --border-light: #E0E0E0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--light-bg);
  overflow-x: hidden;
}

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

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* 头部导航栏 */
header {
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.95) 0%, rgba(232, 93, 117, 0.95) 100%);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  color: white;
  transition: var(--transition);
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: 30px;
  list-style: none;
  align-items: center;
}

.nav-menu a {
  color: white;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: var(--transition);
}

.nav-menu a:hover::after {
  width: 100%;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition);
}

.search-box:hover {
  background: rgba(255, 255, 255, 0.25);
}

.search-box input {
  background: transparent;
  border: none;
  color: white;
  font-size: 13px;
  width: 150px;
  outline: none;
}

.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.search-icon {
  color: white;
  cursor: pointer;
  font-size: 16px;
  margin-left: 8px;
}

@media (max-width: 768px) {
  .nav-menu {
    gap: 15px;
    font-size: 12px;
  }
  
  .search-box {
    display: none;
  }
}

/* 英雄区域 */
.hero {
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(232, 93, 117, 0.1) 100%),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="dots" x="0" y="0" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="2" fill="%23FF6B6B" opacity="0.1"/></pattern></defs><rect width="1200" height="600" fill="url(%23dots)"/></svg>');
  background-attachment: fixed;
  padding: 80px 20px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 107, 107, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(30px); }
}

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

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--primary-coral) 0%, var(--primary-rose) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: var(--text-dark);
  margin-bottom: 30px;
  line-height: 1.8;
}

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

.btn {
  padding: 12px 32px;
  border-radius: 25px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-coral) 0%, var(--primary-rose) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: white;
  color: var(--primary-coral);
  border: 2px solid var(--primary-coral);
}

.btn-secondary:hover {
  background: var(--primary-coral);
  color: white;
}

@media (max-width: 768px) {
  .hero {
    padding: 50px 20px;
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .hero p {
    font-size: 16px;
  }
}

/* 视频卡片 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  padding: 60px 20px;
}

.video-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.video-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.video-thumbnail {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: linear-gradient(135deg, var(--primary-coral) 0%, var(--primary-rose) 100%);
  overflow: hidden;
}

.video-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  opacity: 0;
  transition: var(--transition);
  z-index: 10;
}

.video-card:hover .play-button {
  opacity: 1;
}

.video-info {
  padding: 16px;
}

.video-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
  line-height: 1.4;
}

.video-stats {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: #999;
}

@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    padding: 40px 16px;
  }
}

/* 分区标题 */
.section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 40px;
  text-align: center;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-coral) 0%, var(--primary-rose) 100%);
  border-radius: 2px;
}

.section {
  padding: 60px 20px;
}

.section-light {
  background: var(--light-bg);
}

.section-dark {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(40, 40, 40, 0.95) 100%);
  color: var(--text-light);
}

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

.faq-item {
  background: white;
  border-radius: 8px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item.active {
  box-shadow: var(--shadow-md);
}

.faq-question {
  padding: 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition);
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.05) 0%, rgba(232, 93, 117, 0.05) 100%);
}

.faq-question:hover {
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(232, 93, 117, 0.1) 100%);
}

.faq-toggle {
  font-size: 20px;
  transition: var(--transition);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 20px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 20px 20px 20px;
}

.faq-answer p {
  color: #666;
  line-height: 1.8;
}

/* 评价卡片 */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-md);
}

.review-header {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-coral) 0%, var(--primary-rose) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 18px;
}

.review-user {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.review-name {
  font-weight: 600;
  color: var(--text-dark);
}

.review-date {
  font-size: 12px;
  color: #999;
}

.review-rating {
  color: var(--accent-gold);
  margin-bottom: 12px;
  font-size: 14px;
}

.review-text {
  color: #666;
  line-height: 1.6;
  font-size: 14px;
}

/* 页脚 */
footer {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(40, 40, 40, 0.98) 100%);
  color: var(--text-light);
  padding: 60px 20px 20px;
  margin-top: 60px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent-gold);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

/* 加载动画 */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .container {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 40px 16px;
  }
  
  .section-title {
    font-size: 24px;
  }
  
  .nav-menu {
    display: none;
  }
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 打印样式 */
@media print {
  header, footer, .search-box {
    display: none;
  }
}