/* 解决方案页面专用样式 */
.sol-hero{background:linear-gradient(135deg,#0a1628 0%,#123a5c 60%,#1b5e8f 100%);color:#fff;padding:80px 0;text-align:center;position:relative;overflow:hidden}
.sol-hero::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:url('/v3/images/banner_solutions.jpg');background-size:cover;background-position:center;opacity:0.2;z-index:0}
.sol-hero h1{font-size:42px;margin-bottom:16px;position:relative;z-index:1}
.sol-hero p{font-size:18px;opacity:.85;max-width:640px;margin:0 auto;position:relative;z-index:1}
.sol-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;padding:56px 0 80px}
.sol-card{background:rgba(13,33,55,0.8);border:1px solid rgba(30,111,255,0.2);border-radius:12px;padding:32px;transition:transform .25s,box-shadow .25s}
.sol-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(30,111,255,.15)}
.sol-num{display:inline-block;background:rgba(30,111,255,0.15);color:#00d4ff;font-size:13px;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:14px}
.sol-title{font-size:22px;font-weight:700;color:#fff;margin-bottom:6px}
.sol-sub{font-size:12px;color:rgba(255,255,255,0.5);letter-spacing:1px;margin-bottom:12px}
.sol-desc{font-size:14px;color:rgba(255,255,255,0.7);line-height:1.7;margin-bottom:16px}
.sol-feats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.sol-feat{background:rgba(30,111,255,0.1);color:#00d4ff;font-size:12px;padding:4px 10px;border-radius:6px}
.sol-bens{font-size:13px;color:rgba(255,255,255,0.8);margin-right:12px}
.sol-bens b{color:#00d4ff}
#solutionsGrid{min-height:200px}
.sol-loading{text-align:center;color:#8a94a6;padding:60px 0}
/* 移动端适配 */
@media (max-width: 768px){
  .sol-hero{padding:60px 0}
  .sol-hero h1{font-size:32px}
  .sol-hero p{font-size:16px}
  .sol-grid{grid-template-columns:1fr;padding:32px 0 48px}
  .sol-card{padding:20px}
  .sol-title{font-size:20px}
}

/* 新section样式 */
.section {
  padding: 80px 0;
}
.section-alt {
  background: rgba(13, 33, 55, 0.3);
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.section-header p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}
.card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}
.text-center {
  text-align: center;
}
.step-num {
  width: 48px;
  height: 48px;
  line-height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e6fff, #00d4ff);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 16px;
}
.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.industry-tag {
  display: inline-block;
  padding: 10px 20px;
  background: rgba(30, 111, 255, 0.1);
  border: 1px solid rgba(30, 111, 255, 0.2);
  border-radius: 24px;
  color: #00d4ff;
  font-size: 14px;
  transition: all 0.3s;
}
.industry-tag:hover {
  background: rgba(30, 111, 255, 0.2);
  transform: translateY(-2px);
}
.cta-section {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(30, 111, 255, 0.1), rgba(0, 212, 255, 0.05));
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 28px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, #1e6fff, #00d4ff);
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 111, 255, 0.4);
}
.btn-outline {
  background: transparent;
  color: #00d4ff;
  border: 1px solid rgba(0, 212, 255, 0.4);
}
.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
}
/* 移动端适配 */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .cta-section p {
    font-size: 16px;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 280px;
  }
}

/* 成功案例卡片 */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.case-card {
  display: flex;
  flex-direction: column;
}
.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(30, 111, 255, 0.15);
  color: #00d4ff;
  font-size: 12px;
  border-radius: 12px;
  margin-bottom: 16px;
  align-self: flex-start;
}
.case-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}
.case-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.case-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.case-stats span {
  font-size: 13px;
  color: #00d4ff;
  font-weight: 600;
}

/* 客户评价卡片 */
.testimonial-card {
  text-align: center;
}
.stars {
  font-size: 20px;
  margin-bottom: 16px;
}
.testimonial-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.author-name {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.author-title {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: rgba(13, 33, 55, 0.8);
  border: 1px solid rgba(30, 111, 255, 0.2);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}
.faq-question:hover {
  background: rgba(30, 111, 255, 0.05);
}
.faq-question::after {
  content: "+";
  font-size: 20px;
  color: #00d4ff;
  transition: transform 0.3s;
}
.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .faq-question {
    font-size: 15px;
    padding: 16px 20px;
  }
}