/* 成都嘉美地毯有限公司 - 营销型网站样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #1a3a6c;
  --primary-dark: #0f274a;
  --primary-light: #2c5282;
  --accent: #ff6b1a;
  --accent-dark: #e55a0a;
  --accent-light: #ff8c4a;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --success: #10b981;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --radius: 8px;
  --radius-lg: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
  font-size: 16px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 按钮样式 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-align: center;
  gap: 8px;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(255,107,26,0.3);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,26,0.4);
}
.btn-secondary {
  background: var(--primary);
  color: var(--white);
}
.btn-secondary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}
.btn-ghost {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--white);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
}
.btn-lg { padding: 16px 36px; font-size: 18px; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-block { width: 100%; }

.btn .icon { font-size: 1.2em; }

/* ===== 顶部导航 ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: bold;
  font-size: 20px;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text .main {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}
.logo-text .sub {
  font-size: 12px;
  color: var(--gray-500);
}
.nav-menu {
  display: flex;
  gap: 8px;
  align-items: center;
}
.nav-menu a {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
  transition: all 0.2s;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
  background: var(--gray-50);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
}
.nav-phone .phone-icon {
  width: 36px;
  height: 36px;
  background: rgba(26,58,108,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.nav-phone-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-phone-text .label {
  font-size: 12px;
  color: var(--gray-500);
}
.nav-phone-text .number {
  font-size: 16px;
  font-weight: 700;
}

/* ===== Hero 区 ===== */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--white);
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,107,26,0.15) 0%, transparent 50%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(255,107,26,0.2);
  border: 1px solid rgba(255,107,26,0.4);
  border-radius: 50px;
  font-size: 14px;
  color: #ffd4b8;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}
.hero h1 .highlight {
  color: var(--accent-light);
}
.hero-subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  line-height: 1.6;
}
.hero-features {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: rgba(255,255,255,0.9);
}
.hero-feature .check {
  color: #34d399;
  font-weight: bold;
}
.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.hero-phone-lg {
  font-size: 24px;
  font-weight: 700;
  color: #ffd4b8;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.hero-phone-lg span { color: var(--accent-light); }

/* ===== 通用区块 ===== */
.section {
  padding: 80px 0;
}
.section-gray { background: var(--gray-50); }
.section-blue { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: var(--white); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header .eyebrow {
  display: inline-block;
  padding: 4px 16px;
  background: rgba(255,107,26,0.1);
  color: var(--accent);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.section-blue .section-header h2 { color: var(--white); }
.section-header .desc {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}
.section-blue .section-header .desc { color: rgba(255,255,255,0.7); }

/* ===== 信任背书条 ===== */
.trust-bar {
  background: var(--white);
  padding: 30px 0;
  box-shadow: var(--shadow-sm);
  margin-top: -40px;
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
}
.trust-items {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  text-align: center;
}
.trust-item {
  padding: 10px;
  border-right: 1px solid var(--gray-200);
}
.trust-item:last-child { border-right: none; }
.trust-item .num {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.trust-item .num .unit { font-size: 16px; }
.trust-item .label {
  font-size: 14px;
  color: var(--gray-500);
}

/* ===== 痛点区 ===== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  border-top: 4px solid #ef4444;
}
.pain-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.pain-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.pain-card h3 {
  font-size: 18px;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.pain-card p {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 16px;
  line-height: 1.6;
}
.pain-solution {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px dashed var(--gray-200);
  color: var(--success);
  font-size: 14px;
  font-weight: 600;
}

/* ===== 核心业务 ===== */
.business-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.business-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s;
}
.business-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.business-header {
  padding: 40px 32px 30px;
  color: var(--white);
  position: relative;
}
.business-header.blue { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.business-header.orange { background: linear-gradient(135deg, var(--accent), var(--accent-light)); }
.business-icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 20px;
}
.business-header h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}
.business-header .sub {
  font-size: 15px;
  opacity: 0.85;
}
.business-body {
  padding: 30px 32px;
}
.business-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}
.business-point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.business-point .dot {
  width: 22px;
  height: 22px;
  background: rgba(26,58,108,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}
.business-point strong {
  color: var(--gray-800);
  font-size: 15px;
  display: block;
  margin-bottom: 2px;
}
.business-point span {
  font-size: 13px;
  color: var(--gray-500);
}

/* ===== 产品卡片 ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.product-img {
  height: 180px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
}
.product-img.carpet-1 { background: linear-gradient(135deg, #e0e7ff, #c7d2fe); }
.product-img.carpet-2 { background: linear-gradient(135deg, #fce7f3, #fbcfe8); }
.product-img.carpet-3 { background: linear-gradient(135deg, #fef3c7, #fde68a); }
.product-img.carpet-4 { background: linear-gradient(135deg, #ddd6fe, #c4b5fd); }
.product-img.pvc-1 { background: linear-gradient(135deg, #d1fae5, #a7f3d0); }
.product-img.pvc-2 { background: linear-gradient(135deg, #cffafe, #a5f3fc); }
.product-img.pvc-3 { background: linear-gradient(135deg, #fed7aa, #fdba74); }
.product-img.pvc-4 { background: linear-gradient(135deg, #e0e7ff, #a5b4fc); }

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}
.badge-hot { background: #ef4444; color: white; }
.badge-recommend { background: var(--accent); color: white; }
.badge-new { background: var(--success); color: white; }
.badge-custom { background: var(--primary); color: white; }
.badge-safe { background: #10b981; color: white; }
.badge-import { background: #8b5cf6; color: white; }

.product-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.product-price {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
}
.product-price .unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
}
.product-scene {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--gray-200);
}
.product-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
  flex: 1;
}
.product-feature {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray-600);
}
.product-feature::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
}
.product-actions {
  display: flex;
  gap: 8px;
}
.product-actions .btn {
  flex: 1;
  font-size: 13px;
  padding: 10px 8px;
}

/* ===== 为什么选我们 ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.why-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--white);
}
.why-card h3 {
  font-size: 18px;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.why-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ===== 案例卡片 ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.case-img {
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
}
.case-img.office { background: linear-gradient(135deg, #1e3a5f, #2d5a87); color: white; }
.case-img.hospital { background: linear-gradient(135deg, #065f46, #047857); color: white; }
.case-img.hotel { background: linear-gradient(135deg, #7c2d12, #9a3412); color: white; }
.case-img.school { background: linear-gradient(135deg, #581c87, #7e22ce); color: white; }
.case-img.shop { background: linear-gradient(135deg, #78350f, #92400e); color: white; }
.case-img.building { background: linear-gradient(135deg, #1f2937, #374151); color: white; }

.case-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 12px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border-radius: 50px;
  font-size: 12px;
  color: white;
  font-weight: 500;
}
.case-body {
  padding: 24px;
}
.case-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.case-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--gray-500);
}
.case-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.case-quote {
  padding: 12px 14px;
  background: var(--gray-50);
  border-radius: 8px;
  font-size: 13px;
  color: var(--gray-600);
  font-style: italic;
  line-height: 1.5;
  border-left: 3px solid var(--accent);
}

/* ===== 客户评价 ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
}
.testimonial-stars {
  color: #fbbf24;
  font-size: 16px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-text {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
  position: relative;
  padding-left: 12px;
  border-left: 3px solid var(--gray-200);
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  color: white;
}
.avatar-1 { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.avatar-2 { background: linear-gradient(135deg, var(--accent), var(--accent-light)); }
.avatar-3 { background: linear-gradient(135deg, #10b981, #34d399); }
.testimonial-info .name {
  font-weight: 600;
  color: var(--gray-900);
  font-size: 15px;
}
.testimonial-info .company {
  font-size: 13px;
  color: var(--gray-500);
}

/* ===== 人设区 老炮儿说 ===== */
.laopao-section {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  padding: 80px 0;
}
.laopao-wrap {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: center;
}
.laopao-avatar {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  margin: 0 auto;
  box-shadow: 0 20px 40px rgba(26,58,108,0.3);
  position: relative;
}
.laopao-avatar .emoji {
  font-size: 100px;
  margin-bottom: 8px;
}
.laopao-avatar .name {
  font-size: 22px;
  font-weight: 700;
}
.laopao-avatar .title {
  font-size: 14px;
  opacity: 0.8;
  margin-top: 4px;
}
.laopao-content h2 {
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.laopao-content .subtitle {
  font-size: 16px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
}
.laopao-content .words {
  font-size: 17px;
  color: var(--gray-700);
  line-height: 2;
  margin-bottom: 28px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent);
  position: relative;
}
.laopao-content .words::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 16px;
  font-size: 60px;
  color: var(--accent);
  font-family: Georgia, serif;
  line-height: 1;
}
.laopao-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-question {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--gray-800);
  font-size: 16px;
  transition: all 0.2s;
}
.faq-question:hover { color: var(--primary); }
.faq-question .toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--gray-500);
  flex-shrink: 0;
}
.faq-answer {
  padding: 0 28px 22px;
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== 底部CTA ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--accent), #ff8c42);
  padding: 60px 0;
  color: var(--white);
  text-align: center;
}
.cta-banner h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-banner .desc {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 30px;
}
.cta-banner .actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.cta-phone {
  font-size: 28px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cta-wechat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.cta-qr {
  width: 100px;
  height: 100px;
  background: var(--white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 12px;
  text-align: center;
  padding: 10px;
}
.cta-wechat-label {
  font-size: 13px;
  opacity: 0.9;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer h4 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 20px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}
.footer-logo .text {
  color: white;
  font-size: 18px;
  font-weight: 700;
}
.footer-about {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
}
.footer-links li {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-links a {
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent-light); }
.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  line-height: 1.6;
}
.footer-contact .label {
  color: var(--gray-500);
  flex-shrink: 0;
}
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--gray-800);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-500);
}
.footer-bottom a:hover { color: var(--accent-light); }

/* ===== 页面 Banner（子页面） ===== */
.page-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  color: white;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,107,26,0.15), transparent 60%);
}
.page-banner-content {
  position: relative;
  z-index: 1;
}
.page-banner h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}
.page-banner p {
  font-size: 18px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}
.breadcrumb {
  margin-top: 20px;
  font-size: 14px;
  opacity: 0.7;
}
.breadcrumb a:hover { text-decoration: underline; }

/* ===== 筛选/分类 Tab ===== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 10px 24px;
  border-radius: 50px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: all 0.2s;
}
.filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ===== 产品分类区 ===== */
.product-category {
  margin-bottom: 70px;
}
.category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
}
.category-title h2 {
  font-size: 28px;
  color: var(--gray-900);
}
.category-title .line {
  flex: 1;
  height: 2px;
  background: var(--gray-200);
}
.category-title .count {
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}

/* ===== 案例详情页风格 ===== */
.case-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.case-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}
.case-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.case-item-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  color: white;
}
.case-item-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.case-item-body h3 {
  font-size: 20px;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.case-item-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--gray-200);
  font-size: 14px;
  color: var(--gray-500);
  flex-wrap: wrap;
}
.case-item-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.case-item-desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.case-item-review {
  padding: 14px;
  background: var(--gray-50);
  border-radius: 8px;
  font-size: 13px;
  color: var(--gray-600);
  border-left: 3px solid var(--accent);
  font-style: italic;
}

/* ===== 关于我们 ===== */
.about-history {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}
.about-text h2 {
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 24px;
}
.about-text p {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 2;
  margin-bottom: 16px;
}
.about-image {
  height: 380px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-xl);
}
.about-image .icon {
  font-size: 100px;
  margin-bottom: 16px;
}
.about-image .text {
  font-size: 22px;
  font-weight: 600;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 80px;
}
.stat-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.stat-card .num {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card .num .unit {
  font-size: 16px;
}
.stat-card .label {
  font-size: 14px;
  color: var(--gray-500);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: white;
}
.team-avatar.t1 { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.team-avatar.t2 { background: linear-gradient(135deg, var(--accent), var(--accent-light)); }
.team-avatar.t3 { background: linear-gradient(135deg, #10b981, #34d399); }
.team-avatar.t4 { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.team-card h4 {
  font-size: 18px;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.team-card .role {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}
.team-card p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cert-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.cert-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.cert-card h4 {
  font-size: 15px;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.cert-card p {
  font-size: 12px;
  color: var(--gray-500);
}

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-info-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}
.contact-info-item:hover {
  box-shadow: var(--shadow-md);
}
.contact-info-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  flex-shrink: 0;
}
.c-icon-1 { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.c-icon-2 { background: linear-gradient(135deg, var(--accent), var(--accent-light)); }
.c-icon-3 { background: linear-gradient(135deg, #10b981, #34d399); }
.c-icon-4 { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.contact-info-body h4 {
  font-size: 16px;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.contact-info-body p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact-form-card h3 {
  font-size: 24px;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.contact-form-card .form-sub {
  color: var(--gray-500);
  margin-bottom: 28px;
  font-size: 14px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}
.form-group label .required {
  color: #ef4444;
  margin-left: 2px;
}
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  transition: all 0.2s;
  outline: none;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,58,108,0.1);
}
textarea.form-control {
  min-height: 100px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.wechat-section {
  margin-top: 40px;
  padding: 30px;
  background: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.wechat-qr-big {
  width: 160px;
  height: 160px;
  margin: 0 auto 16px;
  background: var(--gray-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 14px;
  border: 2px dashed var(--gray-300);
}
.wechat-section h4 {
  font-size: 18px;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.wechat-section p {
  font-size: 14px;
  color: var(--gray-500);
}

.service-area {
  margin-top: 60px;
}
.area-title {
  text-align: center;
  font-size: 24px;
  color: var(--gray-900);
  margin-bottom: 30px;
}
.area-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.area-tag {
  padding: 8px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 50px;
  font-size: 14px;
  color: var(--gray-600);
  transition: all 0.2s;
}
.area-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(26,58,108,0.05);
}

.map-placeholder {
  margin-top: 40px;
  height: 300px;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  border: 2px dashed var(--gray-300);
}
.map-placeholder .icon {
  font-size: 48px;
  margin-bottom: 12px;
}
.map-placeholder .text {
  font-size: 16px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-header h2 { font-size: 28px; }
  .hero { padding: 60px 0 80px; }
  .hero h1 { font-size: 30px; }
  .hero-subtitle { font-size: 16px; }
  .hero-features { gap: 16px; }
  .hero-feature { font-size: 14px; }
  
  .nav { height: 60px; }
  .nav-menu { display: none; }
  .nav-phone-text { display: none; }
  .logo-text .main { font-size: 16px; }
  .logo-text .sub { display: none; }
  
  .trust-bar { margin-top: -30px; }
  .trust-items { grid-template-columns: repeat(2, 1fr); gap: 15px; }
  .trust-item { border-right: none; }
  .trust-item .num { font-size: 24px; }
  
  .pain-grid { grid-template-columns: 1fr; }
  .business-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  
  .laopao-wrap { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .laopao-avatar { width: 200px; height: 200px; }
  .laopao-avatar .emoji { font-size: 70px; }
  .laopao-cta { justify-content: center; }
  
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  
  .page-banner { padding: 60px 0; }
  .page-banner h1 { font-size: 30px; }
  
  .products-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .product-img { height: 140px; font-size: 44px; }
  
  .case-list { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  
  .about-history { grid-template-columns: 1fr; gap: 30px; }
  .about-image { height: 250px; }
  .about-text h2 { font-size: 24px; }
  
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 24px; }
  
  .cta-banner h2 { font-size: 26px; }
  .cta-banner .desc { font-size: 15px; }
  .cta-phone { font-size: 22px; }
  
  .faq-question { font-size: 15px; padding: 18px 20px; }
  .faq-answer { padding: 0 20px 18px; font-size: 14px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .product-actions .btn { font-size: 12px; padding: 8px 6px; }
}

/* ========================================
   SEO 扩容新增样式
   ======================================== */

/* ===== 产品详情页 ===== */
.product-detail-hero {
  padding: 60px 0;
  background: var(--gray-50);
}
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.product-detail-gallery {
  position: sticky;
  top: 100px;
}
.product-main-img {
  height: 400px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
}
.product-thumb-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.product-thumb {
  height: 80px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.product-thumb:hover,
.product-thumb.active {
  border-color: var(--primary);
}

.product-detail-info h1 {
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 12px;
  line-height: 1.3;
}
.product-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.product-tag {
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.tag-hot { background: #fef2f2; color: #dc2626; }
.tag-recommend { background: #fff7ed; color: var(--accent); }
.tag-new { background: #ecfdf5; color: #059669; }
.tag-fireproof { background: #fef3c7; color: #d97706; }
.tag-eco { background: #d1fae5; color: #059669; }
.tag-import { background: #ede9fe; color: #7c3aed; }
.tag-medical { background: #dbeafe; color: #2563eb; }

.product-detail-price {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.product-detail-price .current {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.product-detail-price .unit {
  font-size: 16px;
  color: var(--gray-600);
}
.product-detail-price .original {
  font-size: 18px;
  color: var(--gray-400);
  text-decoration: line-through;
}
.product-detail-price .discount {
  padding: 4px 10px;
  background: var(--accent);
  color: white;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.product-quick-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}
.quick-info-item {
  padding: 12px 16px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.quick-info-item .icon {
  font-size: 18px;
}

.product-detail-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}
.product-detail-cta .btn {
  flex: 1;
}

.product-detail-tabs {
  margin-top: 60px;
  border-top: 1px solid var(--gray-200);
  padding-top: 40px;
}
.detail-tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 40px;
}
.detail-tab-nav-item {
  padding: 12px 28px;
  cursor: pointer;
  font-weight: 600;
  color: var(--gray-500);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}
.detail-tab-nav-item:hover {
  color: var(--primary);
}
.detail-tab-nav-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.detail-section {
  margin-bottom: 50px;
}
.detail-section h2 {
  font-size: 24px;
  color: var(--gray-900);
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
}
.detail-section h3 {
  font-size: 18px;
  color: var(--gray-800);
  margin-bottom: 16px;
  margin-top: 24px;
}
.detail-section p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all 0.3s;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-card .icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}
.feature-card h4 {
  font-size: 16px;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.feature-card p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 0;
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.param-table th,
.param-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
  font-size: 15px;
}
.param-table th {
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 600;
  width: 160px;
}
.param-table td {
  color: var(--gray-800);
}
.param-table tr:last-child th,
.param-table tr:last-child td {
  border-bottom: none;
}

.scenes-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.scene-item {
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}
.scene-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.scene-item .icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.scene-item h4 {
  font-size: 15px;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.scene-item p {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 0;
}

.install-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.install-step {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.install-step .step-num {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}
.install-step .icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.install-step h4 {
  font-size: 16px;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.install-step p {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 0;
  line-height: 1.5;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}
.review-card .review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 18px;
}
.review-info .name {
  font-weight: 600;
  color: var(--gray-900);
}
.review-info .meta {
  font-size: 12px;
  color: var(--gray-500);
}
.review-stars {
  color: #fbbf24;
  font-size: 14px;
  margin-bottom: 10px;
}
.review-text {
  color: var(--gray-700);
  line-height: 1.7;
  font-size: 14px;
}

.related-products {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-200);
}
.related-products h2 {
  font-size: 24px;
  color: var(--gray-900);
  margin-bottom: 30px;
  text-align: center;
}

.product-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--gray-200);
}
.product-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: all 0.2s;
  max-width: 45%;
}
.product-nav-item:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.product-nav-item .arrow {
  font-size: 20px;
  flex-shrink: 0;
}
.product-nav-item .label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 2px;
}
.product-nav-item .title {
  font-weight: 600;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.product-nav-next {
  margin-left: auto;
  text-align: right;
}

/* ===== 方案页 ===== */
.solution-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: white;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.solution-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 40%, rgba(255,107,26,0.2), transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(255,255,255,0.08), transparent 40%);
}
.solution-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.solution-hero .hero-badge {
  display: inline-block;
  padding: 8px 24px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50px;
  font-size: 16px;
  margin-bottom: 24px;
}
.solution-hero h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}
.solution-hero .subtitle {
  font-size: 20px;
  opacity: 0.9;
  margin-bottom: 36px;
}
.solution-hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.solution-stat {
  text-align: center;
}
.solution-stat .num {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 6px;
}
.solution-stat .label {
  font-size: 14px;
  opacity: 0.85;
}

.pain-points-section {
  background: #fef2f2;
  padding: 60px 0;
}
.pain-points-section h2 {
  text-align: center;
  font-size: 28px;
  color: var(--gray-900);
  margin-bottom: 40px;
}
.pain-points-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pain-point-card {
  background: white;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid #ef4444;
}
.pain-point-card .icon {
  font-size: 40px;
  margin-bottom: 16px;
}
.pain-point-card h3 {
  font-size: 17px;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.pain-point-card p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

.solution-section {
  padding: 80px 0;
}
.solution-section h2 {
  text-align: center;
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.solution-section .section-desc {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 50px;
  font-size: 17px;
}
.solution-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
  transition: all 0.3s;
}
.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.solution-card .icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
  color: white;
}
.solution-card h3 {
  font-size: 20px;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.solution-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 16px;
}
.solution-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.solution-card li {
  font-size: 13px;
  color: var(--gray-600);
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.solution-card li::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
  flex-shrink: 0;
}

.solution-products {
  padding: 80px 0;
  background: var(--gray-50);
}
.solution-products h2 {
  text-align: center;
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.solution-products .section-desc {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 50px;
}

.service-flow {
  padding: 80px 0;
}
.service-flow h2 {
  text-align: center;
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 50px;
}
.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.flow-step {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.flow-step .step-number {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.flow-step .icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.flow-step h4 {
  font-size: 16px;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.flow-step p {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.5;
}

.solution-cases {
  padding: 80px 0;
  background: var(--gray-50);
}
.solution-cases h2 {
  text-align: center;
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.solution-cases .section-desc {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 50px;
}

.solution-faq {
  padding: 80px 0;
}
.solution-faq h2 {
  text-align: center;
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 50px;
}

/* ===== 资讯/文章页 ===== */
.news-page-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
  padding: 60px 0;
  text-align: center;
}
.news-page-banner h1 {
  font-size: 36px;
  margin-bottom: 12px;
}
.news-page-banner p {
  font-size: 16px;
  opacity: 0.85;
}

.news-container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  padding: 60px 0;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.news-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  cursor: pointer;
}
.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.news-card-img {
  height: 100%;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}
.news-card-body {
  padding: 24px 24px 24px 0;
  display: flex;
  flex-direction: column;
}
.news-card-category {
  display: inline-block;
  padding: 3px 10px;
  background: #eff6ff;
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
  align-self: flex-start;
}
.news-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color 0.2s;
}
.news-card:hover .news-card-title {
  color: var(--primary);
}
.news-card-excerpt {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--gray-500);
}
.news-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination-item {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  color: var(--gray-600);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}
.pagination-item:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.pagination-item.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.sidebar-widget {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.sidebar-widget h3 {
  font-size: 18px;
  color: var(--gray-900);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-100);
}
.sidebar-widget h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: -3px;
  border-radius: 2px;
}

.hot-news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hot-news-item {
  display: flex;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.hot-news-item:hover {
  color: var(--primary);
}
.hot-news-number {
  width: 24px;
  height: 24px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.hot-news-item:nth-child(1) .hot-news-number,
.hot-news-item:nth-child(2) .hot-news-number,
.hot-news-item:nth-child(3) .hot-news-number {
  background: var(--accent);
  color: white;
}
.hot-news-title {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.5;
  transition: color 0.2s;
}
.hot-news-item:hover .hot-news-title {
  color: var(--primary);
}

.sidebar-product {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--gray-100);
  align-items: center;
}
.sidebar-product:last-child {
  border-bottom: none;
}
.sidebar-product-img {
  width: 60px;
  height: 60px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}
.sidebar-product-info h4 {
  font-size: 13px;
  color: var(--gray-800);
  margin-bottom: 4px;
  font-weight: 600;
}
.sidebar-product-info .price {
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
}

.sidebar-contact {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  text-align: center;
  padding: 30px 20px;
}
.sidebar-contact .phone-icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.sidebar-contact h4 {
  font-size: 18px;
  margin-bottom: 8px;
  color: white;
}
.sidebar-contact .phone {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
}
.sidebar-contact .desc {
  font-size: 13px;
  opacity: 0.85;
}

/* ===== 文章详情页 ===== */
.article-detail {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-sm);
}
.article-category {
  display: inline-block;
  padding: 4px 12px;
  background: #eff6ff;
  color: var(--primary);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.article-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 36px;
  font-size: 14px;
  color: var(--gray-500);
}
.article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-content {
  font-size: 16px;
  line-height: 2;
  color: var(--gray-700);
}
.article-content h2 {
  font-size: 24px;
  color: var(--gray-900);
  margin: 40px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 20px;
  color: var(--gray-800);
  margin: 30px 0 16px;
  font-weight: 700;
}
.article-content p {
  margin-bottom: 20px;
}
.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}
.article-content li {
  margin-bottom: 10px;
}
.article-content strong {
  color: var(--gray-900);
  font-weight: 700;
}
.article-content .article-img {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  margin: 30px 0;
}
.article-content blockquote {
  padding: 20px 24px;
  background: var(--gray-50);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--gray-600);
}
.article-content .tip-box {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 24px 0;
}
.article-content .tip-box::before {
  content: '💡 老邱提醒：';
  font-weight: 700;
  color: var(--primary);
}
.article-content .warning-box {
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 24px 0;
}
.article-content .warning-box::before {
  content: '⚠️ 注意：';
  font-weight: 700;
  color: #d97706;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}
.article-tag {
  padding: 6px 14px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 50px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.article-tag:hover {
  background: var(--primary);
  color: white;
}

.article-cta-box {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-top: 40px;
  text-align: center;
}
.article-cta-box h3 {
  font-size: 24px;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.article-cta-box p {
  color: var(--gray-600);
  margin-bottom: 24px;
}
.article-cta-box .actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}
.article-nav-item {
  padding: 20px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all 0.2s;
}
.article-nav-item:hover {
  border-color: var(--primary);
}
.article-nav-item .label {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 6px;
}
.article-nav-item .title {
  font-size: 15px;
  color: var(--gray-800);
  font-weight: 600;
  line-height: 1.4;
}
.article-nav-next {
  text-align: right;
}

.related-articles {
  margin-top: 50px;
}
.related-articles h3 {
  font-size: 22px;
  color: var(--gray-900);
  margin-bottom: 24px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  cursor: pointer;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.related-card-img {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}
.related-card-body {
  padding: 16px;
}
.related-card-body h4 {
  font-size: 15px;
  color: var(--gray-800);
  line-height: 1.4;
  font-weight: 600;
}

/* ===== 响应式 - 新增部分 ===== */
@media (max-width: 1024px) {
  .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-detail-gallery { position: static; }
  .pain-points-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-cards { grid-template-columns: 1fr; }
  .scenes-list { grid-template-columns: repeat(3, 1fr); }
  .install-steps { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
  .news-container { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .solution-hero h1 { font-size: 28px; }
  .solution-hero .subtitle { font-size: 16px; }
  .solution-hero-stats { gap: 24px; }
  .solution-stat .num { font-size: 28px; }
  
  .pain-points-grid { grid-template-columns: 1fr; }
  .scenes-list { grid-template-columns: repeat(2, 1fr); }
  .install-steps { grid-template-columns: 1fr 1fr; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  
  .product-detail-info h1 { font-size: 24px; }
  .product-main-img { height: 280px; font-size: 80px; }
  .product-detail-price .current { font-size: 32px; }
  .product-quick-info { grid-template-columns: 1fr; }
  .product-detail-cta { flex-direction: column; }
  
  .news-card { grid-template-columns: 1fr; }
  .news-card-img { min-height: 160px; }
  .news-card-body { padding: 0 20px 20px; }
  
  .article-detail { padding: 30px 24px; }
  .article-title { font-size: 22px; }
  .article-meta { flex-wrap: wrap; gap: 12px; font-size: 13px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 20px; }
  .article-content h3 { font-size: 17px; }
  .article-content .article-img { height: 200px; font-size: 48px; }
  
  .article-nav { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .article-cta-box { padding: 24px; }
  
  .param-table th { width: 120px; font-size: 13px; }
  .param-table th, .param-table td { padding: 12px 16px; font-size: 13px; }
  
  .product-nav { flex-direction: column; gap: 12px; }
  .product-nav-item { max-width: 100%; }
  .product-nav-next { text-align: left; margin-left: 0; }
}

@media (max-width: 480px) {
  .scenes-list { grid-template-columns: 1fr 1fr; }
  .install-steps { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .solution-hero-stats { gap: 16px; }
}

/* ================================================
   转化优化新增样式 - Conversion Optimization
   ================================================ */

/* ===== 右下角悬浮电话按钮 ===== */
.floating-phone {
  position: fixed;
  right: 24px;
  bottom: 100px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  animation: floatBreath 3s ease-in-out infinite;
}
.floating-phone-btn {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #ff6b1a, #ff8c4a);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(255, 107, 26, 0.5);
  transition: all 0.3s ease;
  position: relative;
}
.floating-phone-btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(255, 107, 26, 0.4);
  animation: pulseRing 2s ease-out infinite;
}
.floating-phone-btn .phone-icon {
  font-size: 26px;
  line-height: 1;
}
.floating-phone-btn .phone-text {
  font-size: 11px;
  color: white;
  font-weight: 600;
  margin-top: 2px;
}
.floating-phone:hover .floating-phone-btn {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(255, 107, 26, 0.6);
}

@keyframes floatBreath {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ===== 移动端底部固定电话栏 ===== */
.mobile-phone-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56px;
  background: linear-gradient(135deg, #ff6b1a, #ff8c4a);
  z-index: 9998;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}
.mobile-phone-bar .bar-left {
  color: white;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.mobile-phone-bar .bar-left .label {
  font-size: 12px;
  opacity: 0.9;
}
.mobile-phone-bar .bar-left .number {
  font-size: 18px;
  font-weight: 700;
}
.mobile-phone-bar .bar-btn {
  background: white;
  color: #ff6b1a;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
  .mobile-phone-bar {
    display: flex;
  }
  .floating-phone {
    bottom: 80px;
    right: 16px;
  }
  .floating-phone-btn {
    width: 54px;
    height: 54px;
  }
  .floating-phone-btn .phone-icon {
    font-size: 22px;
  }
  .floating-phone-btn .phone-text {
    font-size: 10px;
  }
  body {
    padding-bottom: 56px;
  }
}

/* ===== 底部CTA转化区（升级版） ===== */
.bottom-cta-section {
  background: linear-gradient(135deg, #0f274a 0%, #1a3a6c 50%, #2c5282 100%);
  color: white;
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.bottom-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255, 107, 26, 0.2), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(255, 107, 26, 0.15), transparent 40%);
}
.bottom-cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.bottom-cta-section h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}
.bottom-cta-section h2 .highlight {
  color: #ff6b1a;
}
.bottom-cta-section .subtitle {
  font-size: 18px;
  opacity: 0.85;
  margin-bottom: 36px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.bottom-cta-section .subtitle span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.bottom-cta-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 36px;
  text-align: left;
}
.bottom-cta-contact-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.3s;
}
.bottom-cta-contact-item:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 107, 26, 0.5);
}
.bottom-cta-contact-item .icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #ff6b1a, #ff8c4a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.bottom-cta-contact-item .info .label {
  font-size: 13px;
  opacity: 0.7;
  margin-bottom: 4px;
}
.bottom-cta-contact-item .info .value {
  font-size: 20px;
  font-weight: 700;
  color: white;
}
.bottom-cta-section .cta-btn-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #ff6b1a, #ff8c4a);
  color: white;
  padding: 18px 48px;
  border-radius: 50px;
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(255, 107, 26, 0.4);
  transition: all 0.3s;
}
.bottom-cta-section .cta-btn-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 107, 26, 0.5);
}

@media (max-width: 768px) {
  .bottom-cta-section {
    padding: 50px 0;
  }
  .bottom-cta-section h2 {
    font-size: 26px;
  }
  .bottom-cta-section .subtitle {
    font-size: 15px;
    gap: 12px;
  }
  .bottom-cta-contact {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .bottom-cta-contact-item {
    padding: 18px 20px;
  }
  .bottom-cta-contact-item .info .value {
    font-size: 17px;
  }
  .bottom-cta-section .cta-btn-main {
    padding: 14px 36px;
    font-size: 17px;
  }
}

/* ===== 产品咨询小卡片 ===== */
.product-inquiry-card {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  border: 2px solid #ff6b1a;
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 30px;
  text-align: center;
}
.product-inquiry-card h4 {
  font-size: 18px;
  color: var(--gray-900);
  margin-bottom: 8px;
  font-weight: 700;
}
.product-inquiry-card p {
  color: var(--gray-600);
  margin-bottom: 20px;
  font-size: 14px;
}
.product-inquiry-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.product-inquiry-actions .btn {
  flex: 1;
  min-width: 120px;
}
.wechat-contact-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-700);
}
.wechat-contact-text .wc-icon {
  color: #07c160;
  font-size: 18px;
}

/* ===== 产品规格CTA ===== */
.spec-cta-bar {
  background: linear-gradient(135deg, #1a3a6c, #2c5282);
  color: white;
  padding: 24px 32px;
  border-radius: var(--radius-lg);
  margin-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.spec-cta-bar .text {
  flex: 1;
}
.spec-cta-bar .text strong {
  font-size: 18px;
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}
.spec-cta-bar .text span {
  font-size: 14px;
  opacity: 0.85;
}
.spec-cta-bar .phone {
  font-size: 24px;
  font-weight: 800;
  color: #ff6b1a;
  display: flex;
  align-items: center;
  gap: 8px;
}
.spec-cta-bar .phone a {
  color: #ff6b1a;
  text-decoration: none;
}

@media (max-width: 768px) {
  .spec-cta-bar {
    padding: 20px 24px;
    flex-direction: column;
    text-align: center;
  }
  .spec-cta-bar .phone {
    font-size: 20px;
  }
}

/* ===== 方案页底部CTA ===== */
.solution-bottom-cta {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.solution-bottom-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(255, 107, 26, 0.1), transparent 50%);
}
.solution-bottom-cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.solution-bottom-cta h2 {
  font-size: 30px;
  color: var(--gray-900);
  margin-bottom: 12px;
  font-weight: 700;
}
.solution-bottom-cta .desc {
  font-size: 16px;
  color: var(--gray-600);
  margin-bottom: 30px;
}
.solution-bottom-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 案例卡片详情按钮 ===== */
.case-detail-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--accent);
  color: white;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
  margin-top: 12px;
}
.case-detail-btn:hover {
  background: var(--accent-dark);
  transform: translateX(3px);
}
.case-item-body .case-detail-btn {
  align-self: flex-start;
}

/* ===== 案例底部CTA ===== */
.case-bottom-cta {
  background: var(--gray-50);
  padding: 60px 0;
  text-align: center;
}
.case-bottom-cta h2 {
  font-size: 28px;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.case-bottom-cta p {
  color: var(--gray-500);
  margin-bottom: 28px;
  font-size: 16px;
}

/* ===== 关于我们 - 老邱人设强化 ===== */
.laopao-personality {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  padding: 80px 0;
}
.laopao-personality-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.laopao-personality .laopao-quote {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  border-left: 5px solid var(--accent);
  position: relative;
  text-align: left;
  font-size: 18px;
  line-height: 2;
  color: var(--gray-700);
  margin-bottom: 30px;
}
.laopao-personality .laopao-quote::before {
  content: '"';
  position: absolute;
  top: -15px;
  left: 30px;
  font-size: 70px;
  color: var(--accent);
  font-family: Georgia, serif;
  line-height: 1;
}
.laopao-signature {
  text-align: right;
  font-size: 16px;
  color: var(--gray-600);
  margin-top: 20px;
  font-style: italic;
}
.laopao-signature strong {
  color: var(--primary);
  font-size: 18px;
}

/* ===== 团队资质展示 ===== */
.team-credentials {
  padding: 80px 0;
}
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.credential-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all 0.3s;
  border-bottom: 4px solid var(--primary);
}
.credential-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.credential-card .icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: white;
}
.credential-card h3 {
  font-size: 18px;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.credential-card p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .credentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== 联系我们 - 联系卡片 ===== */
.contact-cards-section {
  padding: 60px 0;
  background: var(--gray-50);
}
.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  border-top: 4px solid var(--primary);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.contact-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
}
.contact-card h4 {
  font-size: 16px;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.contact-card .value {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
}
.contact-card .value strong {
  color: var(--accent);
  font-size: 18px;
}

@media (max-width: 1024px) {
  .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .contact-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 预约表单 ===== */
.appointment-section {
  padding: 80px 0;
}
.appointment-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.appointment-info h2 {
  font-size: 32px;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.appointment-info .desc {
  color: var(--gray-500);
  margin-bottom: 30px;
  font-size: 16px;
  line-height: 1.8;
}
.appointment-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.appointment-highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--gray-700);
}
.appointment-highlight .check {
  color: var(--success);
  font-size: 18px;
  font-weight: bold;
}
.appointment-form-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border-top: 5px solid var(--accent);
}
.appointment-form-box h3 {
  font-size: 22px;
  color: var(--gray-900);
  margin-bottom: 24px;
  text-align: center;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-group label .required {
  color: #ef4444;
  margin-left: 2px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--gray-800);
  transition: all 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 108, 0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 90px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-submit-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.form-submit-row .btn {
  flex: 1;
}
.form-or-phone {
  text-align: center;
  color: var(--gray-500);
  font-size: 14px;
  flex: 1;
}
.form-or-phone a {
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
}

@media (max-width: 768px) {
  .appointment-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .appointment-form-box {
    padding: 28px 24px;
  }
  .form-submit-row {
    flex-direction: column;
  }
  .form-submit-row .btn,
  .form-or-phone {
    width: 100%;
  }
}

/* ===== 地图位置示意 ===== */
.map-location-section {
  padding: 60px 0;
  background: var(--gray-50);
}
.map-location-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.map-visual {
  height: 300px;
  background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.map-visual .map-pin {
  font-size: 64px;
  animation: mapBounce 2s ease-in-out infinite;
}
.map-visual .map-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}
.map-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 58, 108, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 58, 108, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

@keyframes mapBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.map-info {
  padding: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.map-info-item h4 {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 8px;
  font-weight: 500;
}
.map-info-item p {
  font-size: 16px;
  color: var(--gray-800);
  font-weight: 600;
}

@media (max-width: 768px) {
  .map-info {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ===== FAQ转化钩子 ===== */
.faq-cta-hook {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--gray-200);
  font-size: 14px;
}
.faq-cta-hook a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.faq-cta-hook a:hover {
  text-decoration: underline;
}

/* ===== 首页首屏CTA强化 ===== */
.hero-cta-enhanced .btn-primary {
  padding: 20px 44px;
  font-size: 20px;
  border-radius: 50px;
}
.hero-cta-enhanced .btn-ghost {
  padding: 20px 36px;
  font-size: 18px;
}

@media (max-width: 768px) {
  .hero-cta-enhanced .btn-primary {
    padding: 16px 32px;
    font-size: 17px;
  }
  .hero-cta-enhanced .btn-ghost {
    padding: 16px 28px;
    font-size: 15px;
  }
}

/* ===== 产品详情页布局调整 ===== */
@media (min-width: 1025px) {
  .product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }
  .product-detail-gallery {
    position: sticky;
    top: 100px;
  }
}

.product-detail-hero {
  padding: 60px 0;
  background: var(--gray-50);
}


/* ================================================
   图片样式优化 - Image Optimization
   ================================================ */

/* ===== 通用img样式 ===== */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== 产品图片 ===== */
.product-img {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--gray-100);
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-img img {
  transform: scale(1.05);
}

/* ===== 案例图片 ===== */
.case-img {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--gray-100);
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.case-card:hover .case-img img {
  transform: scale(1.05);
}

.case-item-img {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--gray-100);
}
.case-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.case-item:hover .case-item-img img {
  transform: scale(1.05);
}

/* ===== 产品详情主图 ===== */
.product-main-img {
  height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.product-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumb-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.product-thumb {
  height: 70px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-thumb.active {
  border-color: var(--accent);
}
.product-thumb:hover {
  border-color: var(--primary);
}

/* ===== 品牌Logo ===== */
.brand-logo-box {
  flex-shrink: 0;
  background: var(--gray-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.brand-logo-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* ===== 品牌页图片 ===== */
.brand-intro-image {
  height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}
.brand-intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-product-img {
  height: 160px;
  overflow: hidden;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.brand-product-card:hover .brand-product-img img {
  transform: scale(1.05);
}

/* ===== 资讯列表图片 ===== */
.news-card-img {
  min-width: 220px;
  height: 160px;
  border-radius: var(--radius) 0 0 var(--radius);
  overflow: hidden;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.news-card:hover .news-card-img img {
  transform: scale(1.05);
}

/* ===== 文章详情图片 ===== */
.article-img {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 30px 0;
}
.article-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 相关文章图片 ===== */
.related-card-img {
  height: 140px;
  overflow: hidden;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}
.related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.related-card:hover .related-card-img img {
  transform: scale(1.05);
}

/* ===== 关于我们图片 ===== */
.about-image {
  height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 老邱头像 ===== */
.laopao-avatar {
  position: relative;
  overflow: hidden;
}
.laopao-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 50%;
}
.laopao-avatar .emoji,
.laopao-avatar .name,
.laopao-avatar .title {
  position: relative;
  z-index: 1;
}

/* ===== 团队头像 ===== */
.team-avatar {
  position: relative;
  overflow: hidden;
}
.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 50%;
}

/* ===== Hero背景图 ===== */
.hero {
  background-image: linear-gradient(135deg, rgba(15, 39, 74, 0.85) 0%, rgba(26, 58, 108, 0.85) 50%, rgba(44, 82, 130, 0.85) 100%),
                    url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
}

/* ===== 页Banner背景图优化 ===== */
.page-banner {
  background-image: linear-gradient(135deg, rgba(15, 39, 74, 0.9), rgba(44, 82, 130, 0.9)),
                    url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
}

/* ===== 响应式适配 ===== */
@media (max-width: 768px) {
  .product-main-img { height: 280px; }
  .product-thumb { height: 60px; }
  .article-img { height: 200px; }
  .about-image { height: 250px; }
  .brand-intro-image { height: 240px; }
  .news-card-img { min-height: 160px; min-width: 100%; border-radius: var(--radius) var(--radius) 0 0; }
}


/* ============================================================
   SEO新增样式 - 面包屑导航、友情链接、备案号等
   ============================================================ */

/* ===== 面包屑导航 ===== */
.breadcrumb-wrapper {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
  padding: 12px 0;
}

.breadcrumb-nav {
  font-size: 14px;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.2s;
}

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

.breadcrumb-nav .separator {
  margin: 0 8px;
  color: var(--gray-300);
  font-size: 16px;
}

.breadcrumb-nav .current {
  color: var(--gray-700);
  font-weight: 500;
}

/* ===== 友情链接 ===== */
.friend-links {
  background: var(--gray-50);
  padding: 30px 0;
  border-top: 1px solid var(--gray-100);
}

.friend-links-inner {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.friend-links-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin: 0;
  white-space: nowrap;
  padding-top: 2px;
}

.friend-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.friend-links-list a {
  font-size: 13px;
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}

.friend-links-list a:hover {
  color: var(--primary);
}

/* ===== 页脚底部备案号优化 ===== */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom a {
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ===== 响应式适配 ===== */
@media (max-width: 768px) {
  .breadcrumb-wrapper {
    padding: 10px 0;
  }
  
  .breadcrumb-nav {
    font-size: 13px;
  }
  
  .friend-links-inner {
    flex-direction: column;
    gap: 12px;
  }
  
  .friend-links-list {
    gap: 8px 16px;
  }
  
  .friend-links-list a {
    font-size: 12px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    font-size: 12px;
  }
}