:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --secondary: #7c3aed;
  --accent-1: #06b6d4;
  --accent-2: #10b981;
  --accent-3: #f59e0b;
  --accent-4: #ef4444;
  --accent-5: #ec4899;
  --gradient-1: linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);
  --gradient-2: linear-gradient(135deg,#06b6d4 0%,#10b981 100%);
  --gradient-3: linear-gradient(135deg,#f59e0b 0%,#ef4444 100%);
  --gradient-4: linear-gradient(135deg,#ec4899 0%,#8b5cf6 100%);
  --gradient-hero: linear-gradient(135deg,#eff6ff 0%,#ede9fe 50%,#ecfdf5 100%);
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --bg-body: #f8fafc;
  --bg-card: rgba(255,255,255,0.82);
  --bg-card-hover: rgba(255,255,255,0.96);
  --border-color: rgba(37,99,235,0.1);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.04), 0 1px 4px rgba(0,0,0,0.02);
  --shadow-hover: 0 12px 48px rgba(37,99,235,0.1), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-glow: 0 0 40px rgba(37,99,235,0.08);
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-family: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
  --transition-smooth: all 0.5s cubic-bezier(0.4,0,0.2,1);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: var(--font-family);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  padding: 40px 20px;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  top: -20%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle,rgba(37,99,235,0.06),transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  animation: floatBg 20s ease-in-out infinite;
}
body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle,rgba(124,58,237,0.04),transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  animation: floatBg 25s ease-in-out infinite reverse;
}
@keyframes floatBg {
  0%,
  100% {
    transform: translate(0,0) scale(1);
  }
  33% {
    transform: translate(30px,-20px) scale(1.1);
  }
  66% {
    transform: translate(-20px,30px) scale(0.9);
  }
}
.product-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  padding: 52px 48px;
  animation: containerIn 0.8s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes containerIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@keyframes breatheGlow {
  0%,
  100% {
    opacity: 0.7;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}
@keyframes breatheColor {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}
.main-title {
  font-size: 38px;
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.5px;
  padding-bottom: 22px;
  margin-bottom: 36px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--text-primary);
}
.main-title .highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.main-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient-1);
  background-size: 200% 200%;
  animation: breatheColor 4s ease-in-out infinite;
}
.main-title .badge {
  -webkit-text-fill-color: #fff;
  background: var(--gradient-1);
  padding: 4px 24px;
  border-radius: 60px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 20px rgba(37,99,235,0.25);
  animation: breatheGlow 3s ease-in-out infinite 0.5s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.main-title .badge i {
  -webkit-text-fill-color: #fff;
  font-size: 14px;
}
.section-title {
  font-size: 24px;
  font-weight: 700;
  margin: 44px 0 20px 0;
  padding-left: 20px;
  border-left: 5px solid transparent;
  border-image: var(--gradient-1) 1;
  line-height: 1.3;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-title .icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  font-size: 20px;
  flex-shrink: 0;
  transition: var(--transition);
  color: #fff !important;
}
.section-title .icon-wrap.c1 {
  background: var(--gradient-1);
}
.section-title .icon-wrap.c2 {
  background: var(--gradient-4);
}
.section-title .icon-wrap.c3 {
  background: var(--gradient-2);
}
.section-title .icon-wrap.c4 {
  background: var(--gradient-3);
}
.section-title .icon-wrap.c5 {
  background: linear-gradient(135deg,#f59e0b,#f97316);
}
.section-title:hover .icon-wrap {
  transform: rotate(-6deg) scale(1.08);
}
.section-title .sub-tag {
  font-size: 13px;
  font-weight: 500;
  padding: 2px 18px;
  border-radius: 40px;
  letter-spacing: 0.5px;
  margin-left: auto;
  background: var(--gradient-2);
  color: #fff;
  box-shadow: 0 2px 12px rgba(6,182,212,0.25);
  animation: breatheGlow 3.5s ease-in-out infinite 1s;
}
.card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.8);
  padding: 26px 30px;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(0,0,0,0.02);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0;
  transition: var(--transition);
}
.card:nth-child(1)::before,
.card:first-child::before {
  background: var(--gradient-1);
}
.card:nth-child(2)::before {
  background: var(--gradient-2);
}
.card:nth-child(3)::before {
  background: var(--gradient-3);
}
.card:nth-child(4)::before {
  background: var(--gradient-4);
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(37,99,235,0.12);
  box-shadow: var(--shadow-hover);
  background: var(--bg-card-hover);
}
.card:hover::before {
  opacity: 1;
  animation: breatheGlow 2s ease-in-out infinite;
}
.card>* {
  position: relative;
  z-index: 1;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(340px,1fr));
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 22px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 20px;
}
@media (min-width: 1200px) {
  .grid-2 {
    grid-template-columns: repeat(auto-fit,minmax(340px,1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  }
  .grid-4 {
    grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  }
}
.card.full-width {
  grid-column: -1;
}
.card .card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.8;
}
.overview-box {
  background: var(--gradient-hero);
  border-radius: var(--radius-md);
  padding: 30px 36px;
  border: 1px solid rgba(255,255,255,0.6);
  font-size: 16px;
  line-height: 2;
  color: var(--text-secondary);
  position: relative;
  overflow: hidden;
}
.overview-box::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle,rgba(37,99,235,0.04),transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatBg 15s ease-in-out infinite;
}
.overview-box .quote-icon {
  position: absolute;
  bottom: 10px;
  right: 24px;
  font-size: 48px;
  opacity: 0.08;
  color: var(--primary);
}
.overview-box strong {
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.series-header {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 2px solid rgba(0,0,0,0.04);
  padding-bottom: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.series-header .series-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  font-size: 16px;
  color: #fff !important;
}
.series-header .series-icon.c1 {
  background: var(--gradient-1);
}
.series-header .series-icon.c2 {
  background: var(--gradient-4);
}
.series-header .series-icon.c3 {
  background: var(--gradient-2);
}
.series-header .series-icon.c4 {
  background: var(--gradient-3);
}
.series-header .series-icon.c5 {
  background: linear-gradient(135deg,#f59e0b,#f97316);
}
.series-header .series-icon.c6 {
  background: linear-gradient(135deg,#ec4899,#8b5cf6);
}
.series-header .tag-blue {
  color: #fff;
  padding: 2px 18px;
  border-radius: 40px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.series-header .tag-blue.t1 {
  background: var(--gradient-1);
  box-shadow: 0 2px 12px rgba(37,99,235,0.2);
}
.series-header .tag-blue.t2 {
  background: var(--gradient-4);
  box-shadow: 0 2px 12px rgba(124,58,237,0.2);
}
.series-header .tag-blue.t3 {
  background: var(--gradient-2);
  box-shadow: 0 2px 12px rgba(6,182,212,0.2);
}
.icon-list {
  list-style: none;
  padding: 0;
}
.icon-list li {
  padding: 9px 0 9px 32px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewbox="0 0 24 24" fill="none" stroke="%232563eb" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>') left center no-repeat;
  background-size: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(0,0,0,0.02);
  transition: var(--transition);
}
.icon-list li:hover {
  padding-left: 38px;
  color: var(--text-primary);
}
.icon-list li:last-child {
  border-bottom: none;
}
.icon-list li strong {
  color: var(--text-primary);
  font-weight: 700;
}
.icon-list li .list-icon {
  margin-right: 8px;
}
.icon-list li .list-icon.c1 {
  color: #2563eb;
}
.icon-list li .list-icon.c2 {
  color: #7c3aed;
}
.icon-list li .list-icon.c3 {
  color: #06b6d4;
}
.icon-list li .list-icon.c4 {
  color: #10b981;
}
.icon-list li .list-icon.c5 {
  color: #f59e0b;
}
.icon-list li .list-icon.c6 {
  color: #ec4899;
}
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(37,99,235,0.06);
  background: rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
}
.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 600px;
}
.table-wrap th {
  padding: 16px 20px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.5px;
  color: #fff;
  font-weight: 600;
  background: var(--gradient-1);
  background-size: 200% 200%;
  animation: breatheColor 4s ease-in-out infinite;
}
.table-wrap th:first-child {
  text-align: left;
  padding-left: 24px;
}
.table-wrap th i {
  margin-right: 8px;
}
.table-wrap td {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.03);
  color: var(--text-secondary);
  text-align: center;
  transition: var(--transition);
}
.table-wrap td:first-child {
  text-align: left;
  padding-left: 24px;
  font-weight: 600;
  color: var(--text-primary);
}
.table-wrap tr {
  transition: var(--transition);
}
.table-wrap tr:hover td {
  background: rgba(37,99,235,0.03);
}
.table-wrap tr:last-child td {
  border-bottom: none;
}
.field-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding: 6px 0;
}
.field-tags .item {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(8px);
  padding: 8px 24px;
  border-radius: 60px;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
  transition: var(--transition);
  cursor: default;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.field-tags .item i {
  font-size: 16px;
  transition: var(--transition);
}
.field-tags .item:nth-child(1) {
  border-color: rgba(37,99,235,0.15);
}
.field-tags .item:nth-child(1) i {
  color: #2563eb;
}
.field-tags .item:nth-child(2) {
  border-color: rgba(16,185,129,0.15);
}
.field-tags .item:nth-child(2) i {
  color: #10b981;
}
.field-tags .item:nth-child(3) {
  border-color: rgba(124,58,237,0.15);
}
.field-tags .item:nth-child(3) i {
  color: #7c3aed;
}
.field-tags .item:nth-child(4) {
  border-color: rgba(245,158,11,0.15);
}
.field-tags .item:nth-child(4) i {
  color: #f59e0b;
}
.field-tags .item:nth-child(5) {
  border-color: rgba(6,182,212,0.15);
}
.field-tags .item:nth-child(5) i {
  color: #06b6d4;
}
.field-tags .item:nth-child(6) {
  border-color: rgba(236,72,153,0.15);
}
.field-tags .item:nth-child(6) i {
  color: #ec4899;
}
.field-tags .item:nth-child(7) {
  border-color: rgba(239,68,68,0.15);
}
.field-tags .item:nth-child(7) i {
  color: #ef4444;
}
.field-tags .item:hover {
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px) scale(1.04);
}
.field-tags .item:nth-child(1):hover {
  background: var(--gradient-1);
  box-shadow: 0 8px 24px rgba(37,99,235,0.25);
}
.field-tags .item:nth-child(2):hover {
  background: var(--gradient-2);
  box-shadow: 0 8px 24px rgba(6,182,212,0.25);
}
.field-tags .item:nth-child(3):hover {
  background: var(--gradient-4);
  box-shadow: 0 8px 24px rgba(124,58,237,0.25);
}
.field-tags .item:nth-child(4):hover {
  background: var(--gradient-3);
  box-shadow: 0 8px 24px rgba(245,158,11,0.25);
}
.field-tags .item:nth-child(5):hover {
  background: linear-gradient(135deg,#06b6d4,#3b82f6);
  box-shadow: 0 8px 24px rgba(6,182,212,0.25);
}
.field-tags .item:nth-child(6):hover {
  background: linear-gradient(135deg,#ec4899,#8b5cf6);
  box-shadow: 0 8px 24px rgba(236,72,153,0.25);
}
.field-tags .item:nth-child(7):hover {
  background: linear-gradient(135deg,#ef4444,#f59e0b);
  box-shadow: 0 8px 24px rgba(239,68,68,0.25);
}
.field-tags .item:hover i {
  color: #fff !important;
}
.detail-list-wrap {
  background: rgba(255,255,255,0.4);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  border: 1px solid rgba(37,99,235,0.06);
  margin-top: 16px;
}
.special-item {
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  transition: var(--transition);
}
.special-item:hover {
  transform: translateY(-2px);
}
.special-item.s1 {
  background: rgba(37,99,235,0.06);
  border-left: 3px solid #2563eb;
}
.special-item.s2 {
  background: rgba(16,185,129,0.06);
  border-left: 3px solid #10b981;
}
.special-item.s3 {
  background: rgba(124,58,237,0.06);
  border-left: 3px solid #7c3aed;
}
.special-item i {
  font-size: 18px;
  margin-right: 8px;
}
.special-item.s1 i {
  color: #2563eb;
}
.special-item.s2 i {
  color: #10b981;
}
.special-item.s3 i {
  color: #7c3aed;
}
.special-item strong {
  display: flex;
  align-items: center;
  gap: 6px;
}
.special-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.7;
}
.service-card .service-icon {
  font-size: 38px;
  display: block;
  margin-bottom: 10px;
}
.service-card .service-icon.gradient-1 {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.service-card .service-icon.gradient-2 {
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.service-card .service-icon.gradient-3 {
  background: var(--gradient-3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.service-card .service-icon.gradient-4 {
  background: var(--gradient-4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.service-card .service-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 17px;
}
.service-card .service-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
  line-height: 1.7;
}
.footer-note {
  text-align: center;
  margin-top: 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}
.contact-box {
  background: var(--gradient-hero);
  border-radius: 60px;
  padding: 24px 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 30px;
  border: 1px solid rgba(255,255,255,0.6);
  position: relative;
  overflow: visible;
}
.contact-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle,rgba(37,99,235,0.04),transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatBg 18s ease-in-out infinite;
}
.contact-box .info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 32px;
  position: relative;
  z-index: 1;
}
.contact-box .info .item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
}
.contact-box .info .item .label {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 13px;
}
.contact-box .info .item .value {
  background: #fff;
  padding: 4px 22px;
  border-radius: 40px;
  border: 1px solid rgba(37,99,235,0.06);
  font-weight: 600;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
  transition: var(--transition);
}
.contact-box .info .item .value:hover {
  box-shadow: 0 4px 16px rgba(37,99,235,0.1);
  border-color: var(--primary);
  transform: scale(1.02);
}
.contact-box .info .item i {
  font-size: 20px;
  width: 28px;
  text-align: center;
}
.contact-box .info .item:nth-child(1) i {
  color: #2563eb;
}
.contact-box .info .item:nth-child(2) i {
  color: #10b981;
}
.contact-box .info .item:nth-child(3) i {
  color: #ec4899;
}
.contact-box .action-badge {
  font-weight: 600;
  color: #fff;
  padding: 10px 34px;
  border-radius: 60px;
  border: none;
  font-size: 14px;
  transition: var(--transition);
  cursor: default;
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-1);
  background-size: 200% 200%;
  animation: breatheColor 4s ease-in-out infinite;
  box-shadow: 0 4px 20px rgba(37,99,235,0.25);
}
.contact-box .action-badge:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(37,99,235,0.35);
}
.wechat-item {
  position: relative;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.wechat-item .wechat-value {
  color: #07c160 !important;
  font-weight: 600 !important;
}
.wechat-item .wechat-qrcode-popup {
  position: absolute;
  top: calc(112%);
  left: 0;
  background: #ffffff;
  border-radius: 12px;
  padding: 14px 16px 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  border: 1px solid #edf1f7;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px) scale(0.96);
  transition: all 0.25s cubic-bezier(0.34,1.56,0.64,1);
  z-index: 99999;
  min-width: 150px;
  text-align: center;
  pointer-events: none;
}
.wechat-item .wechat-qrcode-popup::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 24px;
  border: 8px solid transparent;
  border-bottom-color: #ffffff;
  filter: drop-shadow(0 -2px 4px rgba(0,0,0,0.04));
}
.wechat-item .wechat-qrcode-popup img {
  width: 130px;
  height: 130px;
  display: block;
  border-radius: 6px;
  margin: 0 auto;
  border: 1px solid #f0f4f8;
}
.wechat-item .wechat-qrcode-popup .popup-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: #1a2a42;
  font-weight: 500;
}
.wechat-item:hover .wechat-qrcode-popup {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
@media (max-width: 768px) {
  .wechat-item .wechat-qrcode-popup {
    left: -20px;
    min-width: 130px;
  }
  .wechat-item .wechat-qrcode-popup::before {
    left: 40px;
  }
  .wechat-item .wechat-qrcode-popup img {
    width: 110px;
    height: 110px;
  }
}
@media (max-width: 480px) {
  .wechat-item .wechat-qrcode-popup {
    left: -10px;
    min-width: 110px;
    padding: 10px 12px 10px;
  }
  .wechat-item .wechat-qrcode-popup img {
    width: 90px;
    height: 90px;
  }
  .wechat-item .wechat-qrcode-popup .popup-label {
    font-size: 11px;
    margin-top: 4px;
  }
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  padding: 12px 38px;
  border-radius: 60px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle,rgba(255,255,255,0.15),transparent 60%);
  opacity: 0;
  transition: var(--transition);
  transform: scale(0.5);
}
.btn-primary:hover::after {
  opacity: 1;
  transform: scale(1);
}
.btn-primary.b1 {
  background: var(--gradient-1);
  box-shadow: 0 4px 20px rgba(37,99,235,0.25);
}
.btn-primary.b1:hover {
  box-shadow: 0 8px 32px rgba(37,99,235,0.35);
  transform: translateY(-3px) scale(1.02);
}
.btn-primary.b2 {
  background: var(--gradient-2);
  box-shadow: 0 4px 20px rgba(6,182,212,0.25);
}
.btn-primary.b2:hover {
  box-shadow: 0 8px 32px rgba(6,182,212,0.35);
  transform: translateY(-3px) scale(1.02);
}
.btn-primary.b3 {
  background: var(--gradient-3);
  box-shadow: 0 4px 20px rgba(245,158,11,0.25);
}
.btn-primary.b3:hover {
  box-shadow: 0 8px 32px rgba(245,158,11,0.35);
  transform: translateY(-3px) scale(1.02);
}
.btn-primary.b4 {
  background: var(--gradient-4);
  box-shadow: 0 4px 20px rgba(124,58,237,0.25);
}
.btn-primary.b4:hover {
  box-shadow: 0 8px 32px rgba(124,58,237,0.35);
  transform: translateY(-3px) scale(1.02);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  padding: 10px 28px;
  border-radius: 60px;
  font-weight: 600;
  font-size: 14px;
  border: 2px solid;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-outline.o1 {
  color: #2563eb;
  border-color: #2563eb;
}
.btn-outline.o1:hover {
  background: var(--gradient-1);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.2);
}
.btn-outline.o2 {
  color: #10b981;
  border-color: #10b981;
}
.btn-outline.o2:hover {
  background: var(--gradient-2);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6,182,212,0.2);
}
.btn-outline.o3 {
  color: #7c3aed;
  border-color: #7c3aed;
}
.btn-outline.o3:hover {
  background: var(--gradient-4);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.2);
}
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  color: #fff;
  border: none;
  border-radius: 60px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px) scale(0.9);
  transition: var(--transition);
  z-index: 999;
  font-family: var(--font-family);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-1);
  background-size: 200% 200%;
  animation: breatheColor 4s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(37,99,235,0.25);
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
#back-to-top:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 12px 40px rgba(37,99,235,0.35);
}
@media (min-width: 1200px) {
  .grid-2 {
    grid-template-columns: repeat(auto-fit,minmax(340px,1fr));
    gap: 24px;
  }
  .grid-3 {
    grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
    gap: 22px;
  }
  .grid-4 {
    grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
    gap: 20px;
  }
}
@media (max-width: 1199px) and (min-width: 993px) {
  .grid-2 {
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 22px;
  }
  .grid-3 {
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 20px;
  }
  .grid-4 {
    grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
    gap: 18px;
  }
}
@media (max-width: 992px) {
  .grid-2 {
    grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
    gap: 20px;
  }
  .grid-3 {
    grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
    gap: 18px;
  }
  .grid-4 {
    grid-template-columns: repeat(auto-fit,minmax(180px,1fr));
    gap: 16px;
  }
}
@media (max-width: 768px) {
  body {
    padding: 20px 12px;
  }
  .product-container {
    padding: 24px 18px;
    border-radius: var(--radius-md);
  }
  .main-title {
    font-size: 26px;
    gap: 10px;
  }
  .main-title .badge {
    font-size: 12px;
    padding: 3px 16px;
  }
  .section-title {
    font-size: 20px;
    padding-left: 14px;
    margin-top: 32px;
  }
  .section-title .icon-wrap {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .grid-4 {
    grid-template-columns: repeat(auto-fit,minmax(160px,1fr));
    gap: 14px;
  }
  .overview-box {
    padding: 20px 22px;
    font-size: 14.5px;
  }
  .contact-box {
    border-radius: 24px;
    padding: 20px 22px;
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
  }
  .contact-box .info {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .contact-box .action-badge {
    text-align: center;
    justify-content: center;
    padding: 10px 20px;
  }
  .table-wrap table {
    font-size: 13px;
    min-width: 420px;
  }
  .table-wrap th,
  .table-wrap td {
    padding: 10px 14px;
  }
  .detail-list-wrap {
    padding: 12px 14px;
  }
  .service-card .service-icon {
    font-size: 30px;
  }
  .special-item {
    padding: 12px 16px;
  }
  .card .card-desc {
    font-size: 13px;
  }
  #back-to-top {
    bottom: 20px;
    right: 20px;
    padding: 10px 20px;
    font-size: 13px;
  }
}
@media (max-width: 480px) {
  .product-container {
    padding: 16px 12px;
    border-radius: var(--radius-sm);
  }
  .main-title {
    font-size: 20px;
  }
  .main-title .badge {
    font-size: 11px;
    padding: 2px 14px;
  }
  .section-title {
    font-size: 17px;
    padding-left: 12px;
    margin-top: 24px;
  }
  .section-title .icon-wrap {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  .section-title .sub-tag {
    font-size: 10px;
    padding: 1px 12px;
  }
  .card {
    padding: 16px 16px;
    border-radius: var(--radius-sm);
  }
  .grid-2 {
    gap: 14px;
  }
  .grid-3 {
    gap: 12px;
  }
  .grid-4 {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .overview-box {
    padding: 16px 18px;
    font-size: 13.5px;
    border-radius: var(--radius-sm);
  }
  .overview-box .quote-icon {
    font-size: 32px;
    bottom: 6px;
    right: 14px;
  }
  .icon-list li {
    font-size: 13px;
    padding: 7px 0 7px 28px;
    background-size: 16px;
  }
  .field-tags .item {
    font-size: 12px;
    padding: 4px 14px;
  }
  .contact-box {
    padding: 16px 18px;
    border-radius: 18px;
    overflow: visible;
  }
  .contact-box .info .item {
    font-size: 13px;
  }
  .contact-box .info .item .value {
    padding: 2px 14px;
    font-size: 13px;
  }
  .contact-box .action-badge {
    font-size: 12px;
    padding: 8px 16px;
  }
  .table-wrap table {
    font-size: 12px;
    min-width: 320px;
  }
  .table-wrap th,
  .table-wrap td {
    padding: 8px 10px;
  }
  .special-item {
    padding: 10px 14px;
  }
  .special-item p {
    font-size: 13px;
  }
  .service-card .service-icon {
    font-size: 26px;
  }
  .service-card .service-title {
    font-size: 15px;
  }
  .service-card .service-desc {
    font-size: 13px;
  }
  .footer-note {
    font-size: 13px;
    margin-top: 14px;
  }
  #back-to-top {
    bottom: 14px;
    right: 14px;
    padding: 8px 16px;
    font-size: 12px;
    border-radius: 40px;
  }
}