:root {
  --primary: #e60067;
  --primary-hover: #c40057;
  --primary-light: #fff0f5;
  --secondary: #ff3385;
  --accent: #ff66a3;
  --dark: #22222b;
  --text-main: #2b2b36;
  --text-muted: #666675;
  --bg-page: #fdfafb;
  --bg-card: #ffffff;
  --border-color: #f7d6e4;
  --shadow-sm: 0 4px 12px rgba(230, 0, 103, 0.06);
  --shadow-md: 0 10px 30px rgba(230, 0, 103, 0.1);
  --shadow-lg: 0 16px 40px rgba(230, 0, 103, 0.14);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background-color: #fff6f9;
  border-top: 1px solid #fce4ee;
  border-bottom: 1px solid #fce4ee;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(230, 0, 103, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), var(--primary));
  box-shadow: 0 6px 20px rgba(230, 0, 103, 0.4);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
  background: #ffffff;
}

.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.125rem;
  border-radius: 10px;
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(230, 0, 103, 0.12);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-item a {
  padding: 8px 14px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 6px;
}

.nav-item a:hover,
.nav-item a.active {
  color: var(--primary);
  background-color: var(--primary-light);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
}

/* 首屏 Hero */
.hero-section {
  padding: 90px 0 80px;
  background: linear-gradient(180deg, #fff5f8 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero-glow-1 {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 51, 133, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 18px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.hero-badge span {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  margin-right: 8px;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title .highlight {
  color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
  padding-top: 40px;
  border-top: 1px dashed var(--border-color);
}

.stat-item {
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.stat-num {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* 平台矩阵与模型支持 */
.matrix-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 30px;
}

.matrix-tag {
  background: #ffffff;
  border: 1px solid #f1c2d6;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
  transition: var(--transition);
}

.matrix-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  background: var(--primary-light);
}

/* 平台介绍 */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.intro-text-card {
  background: #ffffff;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.intro-feature-list {
  margin-top: 24px;
}

.intro-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.intro-bullet {
  width: 20px;
  height: 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.image-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  background: #ffffff;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.image-frame:hover img {
  transform: scale(1.02);
}

/* 服务卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid #f4d0e0;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  border: 1px solid #fcd2e4;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

/* 标准流程 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.process-step {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  position: relative;
}

.step-num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* 对比评测板块 */
.review-score-box {
  background: linear-gradient(135deg, #fff0f5, #ffffff);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  gap: 20px;
}

.score-badge {
  text-align: center;
}

.score-badge .score-val {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.score-badge .score-max {
  font-size: 1.2rem;
  color: var(--text-muted);
}

.score-stars {
  font-size: 1.8rem;
  color: #ffaa00;
  margin-top: 4px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th,
.custom-table td {
  padding: 16px 20px;
  border-bottom: 1px solid #fae1ec;
  font-size: 0.95rem;
}

.custom-table th {
  background: #fff0f5;
  color: var(--dark);
  font-weight: 700;
}

.custom-table tr:hover td {
  background-color: #fff9fb;
}

.highlight-cell {
  color: var(--primary);
  font-weight: 700;
  background-color: #fff5f9;
}

/* 客户评价网格 */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.user-name {
  font-weight: 700;
  color: var(--dark);
}

.user-role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.user-comment {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.6;
}

/* 常见问题 FAQ */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--dark);
  background: #ffffff;
}

.faq-question:hover {
  color: var(--primary);
  background: #fffcfd;
}

.faq-icon {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: #fff9fb;
  border-top: 1px solid transparent;
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.7;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 18px 24px;
  border-top-color: #f7d6e4;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* 表单与联系模块 */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.form-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--dark);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #dcdce6;
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--dark);
  background: #fff;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(230, 0, 103, 0.12);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.contact-info-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 1rem;
}

.contact-meta-item strong {
  color: var(--dark);
  min-width: 90px;
}

.qr-code-area {
  margin-top: 24px;
  text-align: center;
  padding: 20px;
  background: #fff8fa;
  border-radius: 8px;
  border: 1px dashed var(--border-color);
}

.qr-code-area img {
  width: 140px;
  height: 140px;
  display: block;
  margin: 0 auto 10px;
  border-radius: 4px;
}

/* 资讯与友情链接 */
.links-section {
  padding: 40px 0;
  background: #ffffff;
  border-top: 1px solid #f4d0e0;
}

.link-group {
  margin-bottom: 20px;
}

.link-group-title {
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
  font-size: 1rem;
}

.link-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.link-flex a {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 4px 10px;
  background: #fbf6f8;
  border-radius: 4px;
  border: 1px solid #fae1ec;
}

.link-flex a:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: #fff;
}

/* 页脚 */
.site-footer {
  background: #1f1d24;
  color: #a5a5b5;
  padding: 50px 0 30px;
  font-size: 0.9rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 30px;
  border-bottom: 1px solid #32303c;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
}

.footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: #c4c4d4;
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  color: #78788a;
  font-size: 0.85rem;
}

/* 浮动客服 */
.floating-widget {
  position: fixed;
  right: 24px;
  bottom: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(230, 0, 103, 0.4);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1.25rem;
}

.float-btn:hover {
  transform: scale(1.1);
}

/* 响应式断点 */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .cards-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid,
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .intro-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-bottom: 1px solid var(--border-color);
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .cards-grid,
  .testimonials-grid,
  .process-grid,
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
}