/* ===== 君源通网站预览版共享样式 ===== */

/* 基础重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
  color: #2c3e50;
  line-height: 1.6;
  background: #fff;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: all .3s; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* 顶部导航 */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 15px rgba(0,0,0,.08);
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo img {
  height: 50px;
  width: auto;
}
.logo-text {
  font-size: 18px;
  font-weight: bold;
  color: #1a3a6e;
}
.logo-text small {
  display: block;
  font-size: 11px;
  font-weight: normal;
  color: #888;
  letter-spacing: 1px;
}
.nav ul {
  display: flex;
  gap: 8px;
}
.nav a {
  display: block;
  padding: 10px 18px;
  font-size: 15px;
  color: #333;
  border-radius: 4px;
  position: relative;
}
.nav a:hover, .nav a.active {
  color: #1a73e8;
  background: rgba(26, 115, 232, .08);
}
.nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 3px;
  background: #1a73e8;
  border-radius: 2px;
}
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff !important;
  border-radius: 24px;
  font-weight: 600;
}
.header-phone:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,115,232,.4); }

/* 内页Banner */
.page-banner {
  background: linear-gradient(135deg, #0d244e 0%, #1a3a6e 100%);
  color: #fff;
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(91, 157, 255, .2) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(26, 115, 232, .15) 0%, transparent 50%);
  pointer-events: none;
}
.page-banner h1 {
  font-size: 44px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}
.page-banner p {
  font-size: 18px;
  opacity: .9;
  position: relative;
}

/* 首页全景Banner */
.hero-pano {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: #000;
}
#panorama {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  background: url('../images/home-panorama.jpg') center/cover no-repeat;
}
#panorama .pnlm-container { z-index: 1; }
.hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(13, 36, 78, 0.3) 0%, rgba(26, 115, 232, .15) 100%);
  z-index: 2;
  pointer-events: none;
}
.hero-content {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  text-align: center;
  color: #fff;
  width: 90%;
  max-width: 900px;
  pointer-events: none;
}
.hero-content h1, .hero-content p, .hero-content .subtitle, .hero-content .desc, .hero-content .buttons { pointer-events: auto; }
.hero-content h1 { font-size: 56px; font-weight: 800; margin-bottom: 24px; letter-spacing: 4px; text-shadow: 0 4px 20px rgba(0,0,0,.5); white-space: nowrap; }
.hero-content .subtitle { font-size: 22px; margin-bottom: 12px; opacity: .9; }
.hero-content .desc { font-size: 16px; opacity: .75; margin-bottom: 36px; }
.hero-content .buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-content .btn { padding: 16px 40px; border-radius: 50px; font-size: 16px; font-weight: 600; letter-spacing: 1px; text-decoration: none; transition: all .3s; }
.hero-content .btn-primary { background: #1a73e8; color: #fff; }
.hero-content .btn-primary:hover { background: #0d5bbd; transform: translateY(-2px); }
.hero-content .btn-outline { border: 2px solid rgba(255,255,255,.6); color: #fff; background: transparent; }
.hero-content .btn-outline:hover { background: rgba(255,255,255,.15); border-color: #fff; }

/* 通用板块 */
.section { padding: 80px 0; }
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(26, 115, 232, .1);
  color: #1a73e8;
  border-radius: 20px;
  font-size: 13px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.section-title {
  font-size: 38px;
  font-weight: 700;
  color: #1a3a6e;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .3s;
}
.btn-primary {
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 115, 232, .35);
}

/* 产品网格 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.product-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,.08);
  transition: all .4s;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(26, 115, 232, .15);
}
.product-image {
  height: 220px;
  overflow: hidden;
  background: #f5f6fa;
  position: relative;
}
.product-image img {
  width: 100%; height: 100%;
  object-fit: contain;
  background: #f5f6fa;
  transition: transform .6s;
}
.product-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  z-index: 2;
}
.product-card:hover .product-image img {
  transform: scale(1.08);
}
.product-info {
  padding: 24px;
}
.product-info h3 {
  font-size: 20px;
  color: #1a3a6e;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.product-info h3::before {
  content: '';
  width: 4px; height: 18px;
  background: linear-gradient(180deg, #1a73e8, #0d47a1);
  border-radius: 2px;
}
.product-info p {
  color: #666;
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.feature-list {
  margin-top: 16px;
}
.feature-list li {
  padding: 6px 0;
  color: #555;
  font-size: 14px;
  border-bottom: 1px dashed #eef2f8;
}
.feature-list li:last-child { border: none; }

/* 案例筛选 */
.cases-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 24px;
  background: #f0f4fa;
  color: #555;
  border-radius: 24px;
  cursor: pointer;
  font-size: 14px;
  transition: all .3s;
  border: none;
  font-family: inherit;
}
.filter-btn.active, .filter-btn:hover {
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff;
}

/* 案例网格 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0,0,0,.08);
  transition: all .4s;
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(26, 115, 232, .2);
}
.case-thumb {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.case-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.case-card:hover .case-thumb img {
  transform: scale(1.1);
}
.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,36,78,.85), rgba(26,115,232,.6));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .4s;
}
.case-card:hover .case-overlay { opacity: 1; }
.case-overlay span {
  color: #fff;
  padding: 10px 28px;
  border: 2px solid #fff;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
}
.case-info {
  padding: 20px;
}
.case-cat {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(26, 115, 232, .1);
  color: #1a73e8;
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 8px;
}
.case-info h4 {
  font-size: 17px;
  color: #1a3a6e;
  margin-bottom: 6px;
}
.case-info p {
  color: #888;
  font-size: 13px;
}

/* 方案行布局 */
.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 50px;
}
.solution-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 30px rgba(0,0,0,.06);
}
.solution-row.reverse .solution-image {
  order: 2;
}
.solution-image {
  height: 360px;
  overflow: hidden;
}
.solution-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.solution-image-fallback {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(135deg, #1a3a6e 0%, #2a6fd8 100%);
  color: #fff;
  text-align: center;
}
.solution-image-fallback .fb-icon { font-size: 76px; line-height: 1; }
.solution-image-fallback .fb-title { font-size: 20px; font-weight: 600; letter-spacing: 1px; opacity: .92; padding: 0 16px; }
.solution-content {
  padding: 40px;
}
.solution-content h3 {
  font-size: 28px;
  color: #1a3a6e;
  margin-bottom: 16px;
}
.solution-content p {
  color: #666;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}
.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.solution-tags span {
  padding: 6px 14px;
  background: #f0f4fa;
  color: #1a73e8;
  border-radius: 20px;
  font-size: 13px;
}
.solution-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.btn-outline {
  display: inline-block;
  padding: 11px 24px;
  border: 1px solid #1a73e8;
  color: #1a73e8;
  border-radius: 6px;
  text-decoration: none;
  font-size: 15px;
  background: #fff;
  transition: all .2s;
}
.btn-outline:hover {
  background: #1a73e8;
  color: #fff;
}

/* 关于我们 */
.about-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}
.about-text h2 {
  font-size: 32px;
  color: #1a3a6e;
  margin-bottom: 24px;
}
.about-text p {
  color: #555;
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-text strong {
  color: #1a73e8;
}
.about-image {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(26, 115, 232, .2);
}
.about-image img {
  width: 100%;
}
.about-features {
  margin-bottom: 80px;
}
.about-features h2 {
  font-size: 32px;
  color: #1a3a6e;
  margin-bottom: 40px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-item {
  padding: 30px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
  text-align: center;
  transition: all .3s;
}
.feature-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(26, 115, 232, .15);
}
.feature-icon {
  font-size: 40px;
  margin-bottom: 16px;
}
.feature-item h3 {
  font-size: 18px;
  color: #1a3a6e;
  margin-bottom: 12px;
}
.feature-item p {
  color: #666;
  font-size: 14px;
}

/* 时间线 */
.timeline {
  margin-bottom: 80px;
}
.timeline h2 {
  font-size: 32px;
  color: #1a3a6e;
  margin-bottom: 40px;
}
.timeline-list {
  position: relative;
  padding-left: 40px;
}
.timeline-list::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #1a73e8, #0d47a1);
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 8px;
  width: 14px; height: 14px;
  background: #1a73e8;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(26, 115, 232, .2);
}
.timeline-year {
  font-size: 24px;
  font-weight: bold;
  color: #1a73e8;
  margin-bottom: 8px;
}
.timeline-content h3 {
  font-size: 18px;
  color: #1a3a6e;
  margin-bottom: 8px;
}
.timeline-content p {
  color: #666;
  font-size: 14px;
}

/* 证书 */
.certs h2 {
  font-size: 32px;
  color: #1a3a6e;
  margin-bottom: 40px;
}
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cert-item {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,.1);
  transition: transform .3s;
}
.cert-item:hover {
  transform: scale(1.05);
}

/* 新闻 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.news-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.06);
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(26, 115, 232, .15);
}
.news-thumb {
  height: 220px;
  overflow: hidden;
  display: block;
}
.news-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.news-card:hover .news-thumb img {
  transform: scale(1.05);
}
.news-body {
  padding: 24px;
  flex: 1;
}
.news-date {
  color: #999;
  font-size: 13px;
  margin-right: 12px;
}
.news-cat {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(26, 115, 232, .1);
  color: #1a73e8;
  border-radius: 4px;
  font-size: 12px;
}
.news-body h3 {
  font-size: 18px;
  margin: 12px 0;
}
.news-body h3 a {
  color: #1a3a6e;
}
.news-body h3 a:hover {
  color: #1a73e8;
}
.news-body p {
  color: #666;
  font-size: 14px;
  line-height: 1.7;
}

/* 联系 */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-size: 28px;
  color: #1a3a6e;
  margin-bottom: 30px;
}
.contact-block {
  margin-bottom: 24px;
}
.contact-block h3 {
  font-size: 16px;
  color: #1a73e8;
  margin-bottom: 8px;
}
.contact-block p {
  color: #555;
  font-size: 14px;
  line-height: 1.7;
}
.contact-block .big-text {
  font-size: 28px;
  font-weight: bold;
  color: #1a3a6e;
  letter-spacing: 1px;
}

/* 表单 */
.contact-form {
  background: #fff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,.08);
}
.contact-form h2 {
  font-size: 24px;
  color: #1a3a6e;
  margin-bottom: 8px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: #666;
  margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #dde3ec;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  transition: border .3s;
  background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: #1a73e8;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.btn-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all .3s;
  margin-top: 8px;
  font-family: inherit;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(26, 115, 232, .3);
}

/* 页脚 */
.footer {
  background: #0a1932;
  color: #b0c4de;
  padding: 40px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr 1fr 1.1fr;
  gap: 16px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 4px;
}
.footer-brand p {
  font-size: 12px;
  line-height: 1.6;
  color: #8a9bb8;
}
.footer h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 14px;
}
.footer ul li { margin-bottom: 7px; }
.footer ul li a {
  color: #b0c4de;
  font-size: 13px;
}
.footer ul li a:hover { color: #fff; }
.footer-contact-item {
  margin-bottom: 6px;
  font-size: 12px;
  display: flex;
  align-items: start;
  gap: 6px;
}
.footer-contact-item::before {
  content: '▸';
  color: #5b9dff;
}
.footer-copyright {
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
  color: #6b7c93;
}
.footer-copyright a { color: #6b7c93; }
.footer-copyright a:hover { color: #fff; }

/* 版本套餐 */
.section-pricing { background: #f8f9fb; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pricing-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 36px 24px 32px;
  text-align: center;
  border: 2px solid #e8ecf2;
  transition: all .35s;
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(26, 115, 232, .15);
  border-color: #1a73e8;
}
.pricing-card.featured {
  border-color: #1a73e8;
  box-shadow: 0 10px 40px rgba(26, 115, 232, .15);
  background: linear-gradient(180deg, #f0f6ff 0%, #fff 15%);
}
.pricing-card.featured::before {
  content: '热门推荐';
  position: absolute;
  top: 16px; right: -32px;
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff;
  padding: 4px 40px;
  font-size: 12px;
  transform: rotate(45deg);
  font-weight: 600;
  letter-spacing: 1px;
}
.pricing-icon { font-size: 36px; margin-bottom: 12px; }
.pricing-name {
  font-size: 18px;
  color: #1a3a6e;
  font-weight: 700;
  margin-bottom: 4px;
}
.pricing-subtitle { color: #999; font-size: 12px; margin-bottom: 20px; line-height: 1.4; }
.pricing-price {
  font-size: 42px;
  font-weight: 800;
  color: #1a3a6e;
  margin-bottom: 4px;
  line-height: 1;
}
.pricing-price small { font-size: 14px; color: #999; font-weight: 400; }
.pricing-price .symbol { font-size: 18px; font-weight: 600; }
.pricing-unit { color: #aaa; font-size: 12px; margin-bottom: 24px; }
.pricing-features {
  text-align: left;
  margin-bottom: 28px;
  padding: 0;
  list-style: none;
  flex: 1;
}
.pricing-features li {
  padding: 7px 0;
  font-size: 13px;
  color: #555;
  border-bottom: 1px solid #f5f6f8;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.pricing-features li::before {
  content: '✓';
  color: #1a73e8;
  font-weight: bold;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}
.pricing-card .btn {
  width: 100%;
  justify-content: center;
  font-size: 14px;
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
}
.pricing-card .btn-outline {
  background: transparent;
  border: 2px solid #1a73e8;
  color: #1a73e8;
}
.pricing-card .btn-outline:hover { background: #1a73e8; color: #fff; }
.pricing-card.featured .btn {
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff;
  box-shadow: 0 4px 15px rgba(26,115,232,.4);
}
.pricing-enterprise {
  margin-top: 32px;
  background: linear-gradient(135deg, #0d2344, #152e54);
  border-radius: 16px;
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}
.pricing-enterprise-label { font-size: 16px; font-weight: 700; opacity: .9; }
.pricing-enterprise-desc { font-size: 14px; opacity: .7; flex: 1; margin: 0 30px; }
.pricing-enterprise .btn-white {
  background: #fff;
  color: #0d2344;
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  border: none;
}
.pricing-enterprise .btn-white:hover { background: #e8f0ff; }
.pricing-login-hint {
  text-align: center;
  margin-top: 28px;
  font-size: 14px;
  color: #999;
}
.pricing-login-hint a { color: #1a73e8; font-weight: 600; }
.pricing-login-hint a:hover { text-decoration: underline; }
.pricing-note { text-align: center; margin-top: 12px; font-size: 12px; color: #bbb; }
.pricing-note span { margin: 0 12px; }

/* ===== 视频中心 ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: all .35s;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0,0,0,.12);
}
.video-thumb {
  position: relative;
  display: block;
  background: #1a1a2e;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.video-card:hover .video-thumb img {
  transform: scale(1.05);
}
.video-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a3a6e, #0d47a1);
}
.video-thumb-placeholder .play-icon {
  font-size: 48px;
  color: rgba(255,255,255,.7);
}
.video-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
  background: rgba(255,255,255,.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #1a73e8;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  transition: all .3s;
}
.video-card:hover .video-play-btn {
  background: #1a73e8;
  color: #fff;
  transform: translate(-50%, -50%) scale(1.1);
}
.video-duration {
  position: absolute;
  bottom: 8px; right: 8px;
  background: rgba(0,0,0,.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.video-body {
  padding: 16px;
}
.video-body h3 {
  font-size: 16px;
  margin: 8px 0 6px;
  color: #1a3a6e;
}
.video-body h3 a:hover {
  color: #1a73e8;
}
.video-body p {
  font-size: 13px;
  color: #888;
  line-height: 1.5;
  margin-bottom: 8px;
}
.video-cat {
  display: inline-block;
  font-size: 11px;
  color: #1a73e8;
  background: #e8f0ff;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
}
.video-views {
  font-size: 12px;
  color: #bbb;
}

/* 视频详情页 */
.video-detail-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
.video-player-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.1);
  background: #000;
}
.video-player-wrapper iframe {
  width: 100%;
  height: 480px;
  border: none;
  display: block;
}
.video-info h2 {
  font-size: 22px;
  color: #1a3a6e;
  margin-bottom: 16px;
  line-height: 1.4;
}
.video-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 14px;
  color: #999;
}
.video-description {
  background: #f8f9fb;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}
.video-description h3 {
  font-size: 15px;
  color: #1a3a6e;
  margin-bottom: 10px;
}
.video-description p {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}
.video-share {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: #999;
}
.share-link {
  color: #1a73e8;
  font-size: 14px;
  cursor: pointer;
}
.share-link:hover {
  text-decoration: underline;
}
.related-videos {
  padding-top: 40px;
  border-top: 1px solid #eee;
}
.related-title {
  font-size: 20px;
  color: #1a3a6e;
  margin-bottom: 24px;
  padding-left: 12px;
  border-left: 4px solid #1a73e8;
}

/* ====== 拍摄制作 ====== */
.section-shooting { background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%); }
.shooting-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.shooting-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: transform .3s, box-shadow .3s;
}
.shooting-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,.1); }
.shooting-icon { font-size: 48px; margin-bottom: 16px; }
.shooting-card h3 { font-size: 18px; color: #1a3a6e; margin-bottom: 10px; }
.shooting-card > p { font-size: 14px; color: #666; line-height: 1.7; margin-bottom: 16px; }
.shooting-features { list-style: none; padding: 0; text-align: left; }
.shooting-features li { font-size: 13px; color: #555; padding: 5px 0; padding-left: 16px; position: relative; }
.shooting-features li::before { content: '✓'; color: #1a73e8; position: absolute; left: 0; font-weight: 700; }
.shooting-cta {
  text-align: center;
  padding: 24px;
  background: rgba(26,115,232,.06);
  border-radius: 12px;
}
.shooting-cta p { font-size: 15px; color: #555; margin-bottom: 16px; }
.shooting-cta .btn { margin: 0 8px; }

/* 定价提示 */
.pricing-disclaimer {
  text-align: center;
  padding: 14px 20px;
  margin-bottom: 24px;
  background: #fff8e1;
  border: 1px solid #ffcc02;
  border-radius: 8px;
  font-size: 14px;
  color: #5d4037;
  line-height: 1.8;
}
.pricing-disclaimer strong { color: #e65100; }

/* shooting.php 专用 */
.shooting-service-grid { display: flex; flex-direction: column; gap: 24px; }
.shooting-service-item {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  background: #fff;
  border-radius: 12px;
  padding: 28px 32px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: box-shadow .3s;
}
.shooting-service-item:hover { box-shadow: 0 6px 24px rgba(0,0,0,.1); }
.service-num {
  font-size: 42px;
  font-weight: 800;
  color: #dde3ec;
  min-width: 60px;
  line-height: 1;
}
.service-body h3 { font-size: 20px; color: #1a3a6e; margin-bottom: 10px; }
.service-body > p { font-size: 14px; color: #555; line-height: 1.8; margin-bottom: 14px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.service-tags span {
  font-size: 12px;
  background: #e8f0fe;
  color: #1a73e8;
  padding: 4px 12px;
  border-radius: 20px;
}

/* 拍摄流程 */
.shooting-process {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.process-step {
  text-align: center;
  flex: 0 0 auto;
  width: 180px;
}
.process-num {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #1a73e8, #0d47a1);
  color: #fff;
  border-radius: 50%;
  font-size: 24px;
  font-weight: 700;
  line-height: 56px;
  margin: 0 auto 14px;
}
.process-step h4 { font-size: 16px; color: #1a3a6e; margin-bottom: 8px; }
.process-step p { font-size: 13px; color: #666; line-height: 1.6; }
.process-arrow {
  flex: 0 0 auto;
  font-size: 28px;
  color: #1a73e8;
  padding: 14px 8px 0;
}

/* 拍摄报价 */
.shooting-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.shooting-price-card {
  background: #fff;
  border: 2px solid #e8ecf3;
  border-radius: 12px;
  padding: 32px 28px;
  text-align: center;
  transition: all .3s;
}
.shooting-price-card.featured {
  border-color: #1a73e8;
  background: #f8fbff;
  transform: scale(1.04);
}
.shooting-price-card:hover { border-color: #1a73e8; box-shadow: 0 8px 28px rgba(0,0,0,.1); }
.shooting-price-card h4 { font-size: 20px; color: #1a3a6e; margin-bottom: 12px; }
.shooting-price-range {
  font-size: 28px;
  font-weight: 700;
  color: #1a73e8;
  margin-bottom: 16px;
}
.shooting-price-card > p { font-size: 13px; color: #888; margin-bottom: 20px; line-height: 1.6; }
.shooting-price-card ul { text-align: left; list-style: none; padding: 0; }
.shooting-price-card ul li { font-size: 13px; color: #555; padding: 6px 0; padding-left: 18px; position: relative; }
.shooting-price-card ul li::before { content: '✓'; color: #1a73e8; position: absolute; left: 0; }
.shooting-note {
  text-align: center;
  padding: 20px 24px;
  background: #f8f9fc;
  border-radius: 12px;
  font-size: 14px;
  color: #666;
  line-height: 2;
}
.shooting-note a { color: #1a73e8; font-weight: 600; }

/* 适用场景 */
.shooting-scenes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.scene-item {
  background: #fff;
  border-radius: 10px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  transition: transform .3s;
  font-size: 15px;
  color: #333;
}
.scene-item:hover { transform: translateY(-2px); }
.scene-icon { font-size: 28px; }

/* CTA section */
.section-cta {
  background: linear-gradient(135deg, #0d47a1 0%, #1a73e8 100%);
  padding: 60px 0;
}

/* 响应式 */
@media (max-width: 992px) {
  .nav, .header-phone { display: none; }
  .products-grid, .cases-grid, .features-grid, .certs-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-detail-layout { grid-template-columns: 1fr; }
  .video-player-wrapper iframe { height: 320px; }
  .about-content, .contact-grid, .solution-row, .solution-row.reverse { grid-template-columns: 1fr; }
  .solution-row.reverse .solution-image { order: 0; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-content h1 { font-size: 36px; letter-spacing: 2px; white-space: nowrap; }
  .hero-content .subtitle { font-size: 17px; }
  .shooting-grid { grid-template-columns: repeat(2, 1fr); }
  .shooting-pricing-grid { grid-template-columns: 1fr; }
  .shooting-price-card.featured { transform: none; }
  .shooting-process { flex-direction: column; align-items: center; }
  .process-arrow { transform: rotate(90deg); padding: 4px 0; }
}
@media (max-width: 600px) {
  .page-banner h1 { font-size: 32px; }
  .section { padding: 60px 0; }
  .section-title { font-size: 28px; }
  .products-grid, .cases-grid, .features-grid, .certs-grid, .news-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 28px; letter-spacing: 1px; }
  .hero-content .subtitle { font-size: 15px; }
  .hero-content .desc { font-size: 13px; }
  .hero-content .btn { padding: 12px 28px; font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .timeline-list { padding-left: 30px; }
  .video-grid { grid-template-columns: 1fr; }
  .shooting-grid { grid-template-columns: 1fr; }
  .shooting-service-item { flex-direction: column; }
  .service-num { font-size: 32px; }
}