/* ==========================================
   槿穗科技 - 主样式表
   杭州槿穗网络科技有限公司
   wugou.online
   ========================================== */

/* --- CSS Variables --- */
:root {
  --primary: #0066FF;
  --primary-dark: #0047B3;
  --primary-light: #3388FF;
  --accent: #00D4FF;
  --accent-dark: #00A8CC;
  --dark: #0A1628;
  --dark-light: #1A2A44;
  --gray-900: #1A1A2E;
  --gray-800: #2D2D44;
  --gray-700: #404060;
  --gray-600: #555577;
  --gray-500: #777799;
  --gray-400: #9999AA;
  --gray-300: #CCCCDD;
  --gray-200: #E8E8F0;
  --gray-100: #F2F2F8;
  --gray-50: #F8F8FC;
  --white: #FFFFFF;
  --success: #00C853;
  --warning: #FFB300;
  --danger: #FF3D00;

  --font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
  --shadow-blue: 0 4px 20px rgba(0,102,255,0.25);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

/* --- Reset --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

/* --- Utilities --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .tag {
  display: inline-block;
  padding: 6px 20px;
  background: linear-gradient(135deg, rgba(0,102,255,0.1), rgba(0,212,255,0.1));
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.section-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--gray-500);
  max-width: 640px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,102,255,0.35);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

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

.btn-white {
  background: var(--white);
  color: var(--primary);
}

.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,212,255,0.35);
}

.btn-lg {
  padding: 16px 40px;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 8px 20px;
  font-size: var(--font-size-sm);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================
   HEADER
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
  z-index: 1001;
}

.header.scrolled .header-logo {
  color: var(--dark);
}

.header-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--white);
}

.header-logo span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header.scrolled .header-logo span {
  -webkit-text-fill-color: var(--dark);
  background: none;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-nav a {
  padding: 8px 18px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.header.scrolled .header-nav a {
  color: var(--gray-700);
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--white);
  background: rgba(255,255,255,0.15);
}

.header.scrolled .header-nav a:hover,
.header.scrolled .header-nav a.active {
  color: var(--primary);
  background: rgba(0,102,255,0.08);
}

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

.header-actions .btn {
  padding: 8px 24px;
  font-size: var(--font-size-sm);
}

.header-actions .btn-outline {
  border-color: rgba(255,255,255,0.4);
  color: rgba(255,255,255,0.9);
}

.header.scrolled .header-actions .btn-outline {
  border-color: var(--primary);
  color: var(--primary);
}

.header-actions .btn-outline:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.header.scrolled .mobile-toggle span {
  background: var(--dark);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-overlay.active {
  opacity: 1;
}

/* ==========================================
   HERO / BANNER
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.9) 0%, rgba(10,22,40,0.5) 50%, rgba(0,102,255,0.2) 100%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
}

.hero-particles .particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(0,212,255,0.5);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
}

.hero-content h1 {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: var(--font-size-xl);
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  line-height: 1.8;
}

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

.hero-stats {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat {
  text-align: center;
}

.hero-stat .number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat .label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
}

/* ==========================================
   ABOUT / INTRO
   ========================================== */
.about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-image::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-content .tag {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(0,102,255,0.1), rgba(0,212,255,0.1));
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.about-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-content p {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  font-weight: 500;
}

.about-feature .check {
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 12px;
  flex-shrink: 0;
}

/* ==========================================
   PRODUCTS
   ========================================== */
.products {
  background: var(--gray-50);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-card .card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: var(--gray-100);
}

.product-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .card-image img {
  transform: scale(1.08);
}

.product-card .card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.product-card .card-body {
  padding: 24px;
}

.product-card .card-body h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.product-card .card-body p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-card .card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.product-card .card-features span {
  padding: 4px 10px;
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.product-card .card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

.product-card .price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
}

.product-card .price small {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
  font-weight: 400;
}

/* ==========================================
   SERVICES
   ========================================== */
.services {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  padding: 36px 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(0,102,255,0.1), rgba(0,212,255,0.1));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: var(--transition);
}

.service-card:hover .icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  transform: scale(1.1);
}

.service-card:hover .icon svg {
  color: var(--white);
}

.service-card .icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
  transition: var(--transition);
}

.service-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.7;
}

.service-card .learn-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary);
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
}

.service-card:hover .learn-more {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   MALL / SHOP
   ========================================== */
.mall {
  background: var(--gray-50);
}

.mall-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.mall-tab {
  padding: 10px 28px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-500);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.mall-tab:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.mall-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-blue);
}

.mall-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.mall-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  color: inherit;
  text-decoration: none;
  display: block;
}

.mall-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.mall-card .card-image {
  position: relative;
  height: 200px;
  background: var(--gray-100);
  overflow: hidden;
}

.mall-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.mall-card:hover .card-image img {
  transform: scale(1.06);
}

.mall-card .card-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 10px;
  background: var(--danger);
  color: var(--white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.mall-card .card-body {
  padding: 20px;
}

.mall-card .card-body h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mall-card .card-body .merchant {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
  margin-bottom: 10px;
}

.mall-card .card-body .price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mall-card .card-body .price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--danger);
}

.mall-card .card-body .price small {
  font-size: var(--font-size-xs);
}

.mall-card .card-body .sales {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
}

/* ==========================================
   CASES / PARTNERS
   ========================================== */
.cases {
  background: var(--white);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  height: 280px;
  cursor: pointer;
  group: true;
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:hover img {
  transform: scale(1.08);
}

.case-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.9) 0%, rgba(10,22,40,0.2) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: var(--transition);
}

.case-card:hover .overlay {
  background: linear-gradient(to top, rgba(0,102,255,0.9) 0%, rgba(0,102,255,0.3) 60%);
}

.case-card .overlay h4 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.case-card .overlay p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
}

/* Partners */
.partners {
  background: var(--gray-50);
  padding: 60px 0;
}

.partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.partner-logo {
  width: 140px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 12px 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  filter: grayscale(1);
  opacity: 0.6;
}

.partner-logo:hover {
  filter: grayscale(0);
  opacity: 1;
  box-shadow: var(--shadow-md);
}

.partner-logo span {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--gray-600);
}

/* ==========================================
   PAGE BANNER (Sub-pages)
   ========================================== */
.page-banner {
  position: relative;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
  overflow: hidden;
  padding-top: 80px;
}

.page-banner .bg {
  position: absolute;
  inset: 0;
}

.page-banner .bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-banner .bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.9), rgba(0,102,255,0.3));
}

.page-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.page-banner-content h1 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.page-banner-content p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.7);
}

.page-banner-content .breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
}

.page-banner-content .breadcrumb a {
  color: rgba(255,255,255,0.6);
}

.page-banner-content .breadcrumb a:hover {
  color: var(--accent);
}

/* ==========================================
   PRODUCT PAGE
   ========================================== */
.product-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* Product Detail */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.product-gallery .main-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--gray-100);
}

.product-gallery .main-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.product-gallery .thumbnails {
  display: flex;
  gap: 12px;
}

.product-gallery .thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.product-gallery .thumb.active,
.product-gallery .thumb:hover {
  border-color: var(--primary);
}

.product-gallery .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.product-info .subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-500);
  margin-bottom: 24px;
}

.product-info .price-box {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.product-info .price-box .price {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--danger);
}

.product-info .price-box .price small {
  font-size: var(--font-size-base);
}

.product-info .specs {
  margin-bottom: 24px;
}

.product-info .specs .spec-row {
  display: flex;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
}

.product-info .specs .spec-row .label {
  width: 120px;
  font-weight: 600;
  color: var(--gray-700);
}

.product-info .specs .spec-row .value {
  color: var(--gray-600);
}

.product-info .actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

/* ==========================================
   MALL PAGE
   ========================================== */
.mall-search {
  display: flex;
  align-items: center;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  padding: 4px;
  max-width: 600px;
  margin: 0 auto 40px;
  transition: var(--transition);
}

.mall-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0,102,255,0.1);
}

.mall-search input {
  flex: 1;
  padding: 12px 20px;
  font-size: var(--font-size-base);
}

.mall-search input::placeholder {
  color: var(--gray-400);
}

.mall-search button {
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: var(--transition);
}

.mall-search button:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.mall-categories {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.mall-category {
  padding: 8px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
}

.mall-category:hover,
.mall-category.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* Merchant Entry */
.merchant-entry {
  background: linear-gradient(135deg, var(--dark), var(--dark-light));
  border-radius: var(--radius-xl);
  padding: 60px;
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.merchant-entry h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.merchant-entry p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 24px;
  line-height: 1.7;
}

.merchant-steps {
  display: flex;
  gap: 16px;
  flex-direction: column;
}

.merchant-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.08);
}

.merchant-step .step-num {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--white);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.merchant-step .step-text {
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
}

.merchant-step .step-text strong {
  display: block;
  color: var(--white);
  margin-bottom: 2px;
}

/* ==========================================
   SERVICES PAGE
   ========================================== */
.service-detail-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 48px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  margin-bottom: 40px;
  align-items: center;
}

.service-detail-card:nth-child(even) {
  direction: rtl;
}

.service-detail-card:nth-child(even) > * {
  direction: ltr;
}

.service-detail-card .service-icon-large {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(0,102,255,0.1), rgba(0,212,255,0.1));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin-bottom: 20px;
}

.service-detail-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.service-detail-card p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 20px;
}

.service-detail-card ul {
  margin-bottom: 24px;
}

.service-detail-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--gray-700);
  font-size: var(--font-size-sm);
}

.service-detail-card ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.service-detail-card .service-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.service-detail-card .service-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

/* Service Flow */
.service-flow {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-top: 40px;
  flex-wrap: wrap;
}

.service-flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 180px;
  position: relative;
}

.service-flow-step .step-circle {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: var(--font-size-xl);
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.service-flow-step .step-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--dark);
}

/* ========== Merchant Page ========== */
.merchant-hero {
  background: linear-gradient(135deg, #0A1628 0%, #1a3a5c 50%, #0066FF 100%);
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.merchant-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(0,212,255,0.08) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
}

.merchant-hero h1 {
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
}

.merchant-hero p {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.merchant-benefits {
  padding: 80px 0;
  background: #f8faff;
}

.merchant-benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.merchant-benefit-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,102,255,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.merchant-benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0,102,255,0.12);
}

.merchant-benefit-card .benefit-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #0066FF, #00D4FF);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #fff;
}

.merchant-benefit-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: #0A1628;
}

.merchant-benefit-card p {
  font-size: 0.9rem;
  color: #6B7280;
  line-height: 1.6;
}

.merchant-flow {
  padding: 80px 0;
}

.merchant-flow-steps {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0;
  flex-wrap: wrap;
}

.merchant-flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 180px;
  position: relative;
}

.merchant-flow-step .step-num {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #0066FF, #00D4FF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.merchant-flow-step .step-title {
  font-weight: 600;
  color: #0A1628;
  margin-bottom: 6px;
  font-size: 1rem;
}

.merchant-flow-step .step-desc {
  font-size: 0.85rem;
  color: #6B7280;
  line-height: 1.5;
}

.merchant-flow-step .step-arrow {
  position: absolute;
  right: -30px;
  top: 18px;
  color: #0066FF;
  font-size: 24px;
}

.merchant-qualifications {
  padding: 80px 0;
  background: #f8faff;
}

.merchant-qual-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.merchant-qual-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 20px;
  text-align: center;
  border: 2px solid #e8f0fe;
  transition: border-color 0.3s, transform 0.3s;
}

.merchant-qual-card:hover {
  border-color: #0066FF;
  transform: translateY(-4px);
}

.merchant-qual-card .qual-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.merchant-qual-card h3 {
  font-size: 1.05rem;
  color: #0A1628;
  margin-bottom: 8px;
}

.merchant-qual-card p {
  font-size: 0.85rem;
  color: #6B7280;
  line-height: 1.5;
}

.merchant-backend {
  padding: 80px 0;
}

.merchant-backend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.merchant-backend-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.merchant-backend-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,102,255,0.1);
}

.merchant-backend-card .backend-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #0066FF, #00D4FF);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin-bottom: 18px;
}

.merchant-backend-card h3 {
  font-size: 1.1rem;
  color: #0A1628;
  margin-bottom: 10px;
}

.merchant-backend-card p {
  font-size: 0.88rem;
  color: #6B7280;
  line-height: 1.6;
}

.merchant-rules {
  padding: 80px 0;
  background: #f8faff;
}

.merchant-rules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.merchant-rule-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  border-left: 4px solid #0066FF;
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.merchant-rule-card h3 {
  font-size: 1.1rem;
  color: #0A1628;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.merchant-rule-card h3 .rule-icon {
  font-size: 22px;
}

.merchant-rule-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.merchant-rule-card ul li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: #4B5563;
  border-bottom: 1px solid #f0f4f8;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}

.merchant-rule-card ul li:last-child {
  border-bottom: none;
}

.merchant-rule-card ul li::before {
  content: '•';
  color: #0066FF;
  font-weight: 700;
  flex-shrink: 0;
}

.merchant-apply {
  padding: 80px 0;
}

.merchant-apply .apply-form-box {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: 20px;
  padding: 48px;
  box-shadow: 0 8px 40px rgba(0,102,255,0.08);
}

.merchant-apply .apply-form-box h3 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 32px;
  color: #0A1628;
}

.file-upload-group {
  margin-bottom: 20px;
}

.file-upload-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: #374151;
  font-size: 0.95rem;
}

.file-upload-area {
  border: 2px dashed #d1d5db;
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
  position: relative;
}

.file-upload-area:hover {
  border-color: #0066FF;
  background: #f8faff;
}

.file-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload-area .upload-hint {
  color: #9CA3AF;
  font-size: 0.9rem;
}

.file-upload-area .upload-hint .upload-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 8px;
  color: #0066FF;
}

@media (max-width: 1024px) {
  .merchant-benefits-grid,
  .merchant-qual-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .merchant-backend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .merchant-rules-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .merchant-hero h1 {
    font-size: 1.8rem;
  }
  .merchant-benefits-grid,
  .merchant-qual-grid {
    grid-template-columns: 1fr;
  }
  .merchant-backend-grid {
    grid-template-columns: 1fr;
  }
  .merchant-flow-steps {
    flex-direction: column;
    align-items: center;
  }
  .merchant-flow-step {
    margin-bottom: 24px;
  }
  .merchant-flow-step .step-arrow {
    display: none;
  }
  .merchant-apply .apply-form-box {
    padding: 24px;
  }
}

.service-flow-step::after {
  content: '';
  position: absolute;
  top: 32px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--gray-200);
  z-index: 1;
}

.service-flow-step:last-child::after {
  display: none;
}

/* ==========================================
   NEWS PAGE
   ========================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.news-card .card-image {
  height: 200px;
  overflow: hidden;
  background: var(--gray-100);
}

.news-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .card-image img {
  transform: scale(1.06);
}

.news-card .card-body {
  padding: 24px;
}

.news-card .card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.news-card .card-meta .category {
  padding: 4px 10px;
  background: linear-gradient(135deg, rgba(0,102,255,0.1), rgba(0,212,255,0.1));
  color: var(--primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.news-card .card-meta .date {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
}

.news-card .card-body h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .card-body p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card .card-body .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination button {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  cursor: pointer;
  transition: var(--transition);
}

.pagination button:hover,
.pagination button.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-info-card {
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.contact-info-card .icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(0,102,255,0.1), rgba(0,212,255,0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 20px;
}

.contact-info-card h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--gray-200);
}

.contact-form h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 24px;
}

/* ==========================================
   AUTH PAGE (注册 / 登录)
   ========================================== */
.auth-page {
  max-width: 680px;
  margin: 0 auto;
}
.auth-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  box-shadow: var(--shadow-md);
}
.auth-head { text-align: center; margin-bottom: 28px; }
.auth-head h3 {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--dark);
  margin: 0 0 8px;
}
.auth-subtitle {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin: 0;
}
.auth-agreement { margin-bottom: 28px; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  line-height: 1.6;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  accent-color: var(--primary);
  flex-shrink: 0;
}
.checkbox-label a { color: var(--primary); text-decoration: none; }
.checkbox-label a:hover { text-decoration: underline; }
.auth-submit-btn { width: 100%; }
.auth-foot {
  text-align: center;
  margin: 20px 0 0;
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}
.auth-foot a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  margin-left: 4px;
}
.auth-foot a:hover { text-decoration: underline; }
@media (max-width: 768px) {
  .auth-card { padding: 28px 22px; }
  .auth-page .form-row { grid-template-columns: 1fr; gap: 0; }
}

/* ==========================================
   LEGAL PAGE (用户注册协议 / 隐私政策)
   ========================================== */
.legal-page {
  max-width: 880px;
  margin: 0 auto;
}
.legal-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow-sm);
}
.legal-header {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
}
.legal-header h1 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--dark);
  margin: 0 0 12px;
}
.legal-date {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin: 0;
}
.legal-body {
  line-height: 1.9;
  color: var(--gray-700);
  font-size: var(--font-size-base);
}
.legal-intro {
  background: linear-gradient(135deg, rgba(0,102,255,0.05), rgba(0,212,255,0.04));
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 28px;
}
.legal-body h2 {
  position: relative;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--dark);
  margin: 36px 0 14px;
  padding-left: 14px;
  line-height: 1.5;
}
.legal-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--primary), var(--cyan));
  border-radius: 2px;
}
.legal-body p { margin: 0 0 14px; }
.legal-body ol, .legal-body ul { margin: 8px 0 16px; padding-left: 26px; }
.legal-body ol li, .legal-body ul li { margin-bottom: 8px; }
.legal-body ul ul, .legal-body ol ul {
  list-style: disc;
  margin: 8px 0 4px;
}
.legal-contact {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 16px 20px 16px 36px !important;
}
.legal-contact li { line-height: 1.8; }
.legal-back {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}
@media (max-width: 768px) {
  .legal-card { padding: 28px 20px; }
  .legal-header h1 { font-size: var(--font-size-2xl); }
  .legal-body h2 { font-size: var(--font-size-lg); }
  .legal-back { flex-direction: column; }
  .legal-back .btn { width: 100%; margin: 0 0 12px 0 !important; }
}

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

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--gray-800);
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 300px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-brand .logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--white);
}

.footer-brand .logo span {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-brand .social-links {
  display: flex;
  gap: 12px;
}

.footer-brand .social-links a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  font-size: 16px;
}

.footer-brand .social-links a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-column h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul li a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-column ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.3);
}

.footer-bottom .links {
  display: flex;
  gap: 20px;
}

.footer-bottom .links a {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.3);
}

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

/* ==========================================
   BACK TO TOP
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta {
  background: linear-gradient(135deg, var(--dark), var(--dark-light));
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,102,255,0.15), transparent 70%);
  border-radius: 50%;
}

.cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,212,255,0.1), transparent 70%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-content h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.6);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mall-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .merchant-entry {
    grid-template-columns: 1fr;
    padding: 40px;
  }

  .service-detail-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }

  .service-detail-card:nth-child(even) {
    direction: ltr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  /* Header mobile */
  .header-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 0;
    transition: right 0.3s ease;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    z-index: 1000;
  }

  .header-nav.active {
    right: 0;
  }

  .header-nav a {
    width: 100%;
    padding: 14px 0;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
    border-radius: 0;
  }

  .header-nav a:hover,
  .header-nav a.active {
    color: var(--primary);
    background: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-overlay.active {
    display: block;
  }

  .header-actions {
    display: none;
  }

  /* Hero mobile */
  .hero-content h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat .number {
    font-size: var(--font-size-2xl);
  }

  /* Products mobile */
  .products-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* Services mobile */
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* Mall mobile */
  .mall-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mall-tabs {
    flex-wrap: wrap;
  }

  /* Cases mobile */
  .cases-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* News mobile */
  .news-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  /* Product detail mobile */
  .product-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-gallery {
    position: static;
  }

  /* Contact mobile */
  .contact-info-cards {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* CTA mobile */
  .cta-content h2 {
    font-size: var(--font-size-2xl);
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .service-flow {
    flex-direction: column;
    align-items: center;
  }

  .service-flow-step::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .mall-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}

/* ==========================================
   LOADING ANIMATION
   ========================================== */
.loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 9999;
  transition: width 0.3s ease;
}

/* ==========================================
   MERCHANTS PAGE
   ========================================== */
.merchants-list {
  padding: 80px 0;
  background: var(--gray-50);
}

.merchants-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.merchant-card {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.merchant-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.merchant-logo {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
}

.merchant-logo span {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
}

.merchant-info {
  flex: 1;
}

.merchant-info h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.merchant-info p {
  font-size: var(--font-size-base);
  color: var(--gray-500);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .merchant-card {
    flex-direction: column;
    text-align: center;
  }

  .merchant-logo {
    width: 100px;
    height: 100px;
  }

  .merchant-logo span {
    font-size: 24px;
  }

  .merchant-info h3 {
    font-size: var(--font-size-xl);
  }
}

/* ==========================================
   CUSTOM SCROLLBAR
   ========================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* --- 商城动态加载 --- */
@keyframes spin { to { transform: rotate(360deg); } }

.mall-card .card-tag {
  background: var(--primary);
}

/* --- 分页 --- */
.mall-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--dark);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover:not(:disabled):not(.active) {
  border-color: var(--primary);
  color: var(--primary);
}
.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.page-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* --- 商品详情 --- */
.detail-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin: 40px 0;
}
.detail-gallery {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.detail-gallery img {
  width: 100%;
  height: auto;
  display: block;
}
.detail-info h1 {
  font-size: var(--font-size-2xl);
  color: var(--dark);
  line-height: 1.35;
  margin: 12px 0;
}
.detail-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 102, 255, 0.1);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
}
.detail-merchant {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  margin-bottom: 16px;
}
.detail-price {
  font-size: 30px;
  font-weight: 700;
  color: var(--danger);
  margin: 16px 0 24px;
}
.detail-section {
  margin: 48px 0;
}
.detail-section h2 {
  font-size: var(--font-size-xl);
  color: var(--dark);
  margin-bottom: 20px;
}
.detail-content {
  line-height: 1.8;
  color: var(--gray-600);
}
.detail-content img {
  max-width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .detail-wrapper { grid-template-columns: 1fr; gap: 24px; }
}

/* --- 商品详情（增强） --- */
.detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  padding: 20px 0 8px;
  flex-wrap: wrap;
}
.detail-breadcrumb a { color: var(--gray-500); transition: var(--transition); }
.detail-breadcrumb a:hover { color: var(--primary); }
.detail-breadcrumb .current { color: var(--dark); }

.mall-name {
  color: var(--primary);
  font-weight: 600;
}
.detail-price-note {
  color: var(--gray-500);
  font-size: var(--font-size-xs);
  margin: -6px 0 14px;
}
.detail-sku {
  margin: 20px 0;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.detail-sku-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-size: var(--font-size-sm);
}
.detail-sku-item:last-child { border-bottom: none; }
.detail-sku-name { color: var(--gray-600); flex: 1; }
.detail-sku-price { color: var(--danger); font-weight: 600; }
.detail-sku-stock { color: var(--gray-400); font-size: var(--font-size-xs); }

.detail-meta {
  margin: 20px 0;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.detail-meta li {
  display: flex;
  padding: 10px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-size: var(--font-size-sm);
}
.detail-meta li:last-child { border-bottom: none; }
.detail-meta .k {
  width: 120px;
  flex-shrink: 0;
  color: var(--gray-500);
  background: var(--gray-50);
  margin-right: 12px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  text-align: center;
}
.detail-meta .v { color: var(--gray-800); word-break: break-all; }

/* --- 商家详情头部 --- */
.merchant-detail-head {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 32px;
}
.merchant-detail-logo {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 34px;
  font-weight: 700;
}
.merchant-detail-info h2 {
  font-size: var(--font-size-2xl);
  color: var(--dark);
  margin-bottom: 6px;
}
.merchant-detail-info p {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}
@media (max-width: 480px) {
  .merchant-detail-head { flex-direction: column; text-align: center; }
}

/* --- 商品详情：商家链接 --- */
.detail-merchant-link {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}
.detail-merchant-link:hover { text-decoration: underline; opacity: 0.85; }
.detail-see-goods {
  color: var(--gray-400);
  font-size: var(--font-size-xs);
  font-weight: 400;
}

/* --- 软件服务信息（58同城式） --- */
.publish-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.publish-bar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  padding-left: 10px;
  border-left: 4px solid var(--primary);
}
.publish-bar-count { flex: 1; color: var(--gray-400); font-size: var(--font-size-sm); }

.service-layout {
  display: grid;
  grid-template-columns: 208px 1fr;
  gap: 24px;
  align-items: start;
}
.service-cats {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: sticky;
  top: 100px;
}
.service-cats-head {
  padding: 14px 20px;
  font-weight: 700;
  color: var(--dark);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
}
.service-cat {
  padding: 12px 20px;
  cursor: pointer;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.service-cat:hover { color: var(--primary); background: var(--gray-50); }
.service-cat.active {
  color: var(--primary);
  background: rgba(0, 102, 255, 0.06);
  border-left-color: var(--primary);
  font-weight: 600;
}

.service-list { display: flex; flex-direction: column; gap: 14px; }
.s-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
.s-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.s-item-title-row { display: flex; align-items: center; gap: 10px; }
.s-cat {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(0, 102, 255, 0.1);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.s-title { font-size: 16px; color: var(--dark); margin: 0; }
.s-summary { margin: 10px 0 0; color: var(--gray-500); font-size: var(--font-size-sm); }
.s-item-side { text-align: right; flex-shrink: 0; }
.s-publisher { color: var(--gray-600); font-size: var(--font-size-sm); margin-bottom: 6px; }
.s-phone { color: var(--dark); font-weight: 700; letter-spacing: 1px; }
.s-phone .s-lock {
  display: block;
  color: var(--gray-400);
  font-size: 12px;
  font-weight: 400;
  margin-top: 4px;
  letter-spacing: 0;
}
.s-phone.locked { color: var(--gray-500); }

@media (max-width: 768px) {
  .service-layout { grid-template-columns: 1fr; }
  .service-cats { position: static; display: flex; flex-wrap: wrap; }
  .service-cats-head { display: none; }
  .service-cat { flex: 1; min-width: 72px; text-align: center; border-bottom: none; border-left: none; }
  .service-cat.active { border-left: none; border-bottom: 2px solid var(--primary); }
  .s-item { flex-direction: column; align-items: flex-start; gap: 10px; }
  .s-item-side { text-align: left; display: flex; gap: 16px; align-items: center; }
}
@media (max-width: 480px) {
  .publish-bar { flex-wrap: wrap; }
}

/* --- 软件服务详情 --- */
.sd-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: var(--font-size-sm); color: var(--gray-400); padding: 4px 0 18px; }
.sd-breadcrumb a { color: var(--gray-500); text-decoration: none; }
.sd-breadcrumb a:hover { color: var(--primary); }
.sd-breadcrumb .current { color: var(--dark); }
.sd-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 44px;
  box-shadow: var(--shadow-sm);
}
.sd-top { display: flex; align-items: center; gap: 12px; }
.sd-title { font-size: 26px; color: var(--dark); margin: 0; }
.sd-pub { color: var(--gray-500); font-size: var(--font-size-sm); margin: 14px 0 20px; }
.sd-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.sd-phone-row { display: flex; align-items: center; gap: 12px; }
.sd-label { color: var(--gray-500); font-size: var(--font-size-sm); }
.sd-phone-view { font-size: 20px; font-weight: 700; color: var(--danger); text-decoration: none; }
.sd-phone-view.locked { color: var(--gray-600); }
.sd-phone-view em { font-style: normal; font-size: 12px; font-weight: 400; color: var(--gray-400); }
.sd-body { line-height: 1.9; color: var(--gray-700); }
.sd-body p { margin-bottom: 14px; }

/* 信息发布网站风格 - 详情页增强 */
.sd-summary {
  position: relative;
  background: linear-gradient(135deg, rgba(0,102,255,0.06), rgba(0,212,255,0.04));
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px 16px 22px;
  margin-bottom: 28px;
}
.sd-summary-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(0,102,255,0.12);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.sd-summary p { margin: 0; color: var(--gray-700); line-height: 1.8; }

.sd-section { margin: 0 0 28px; }
.sd-section-title {
  position: relative;
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 14px;
  padding-left: 14px;
  line-height: 1.5;
}
.sd-section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--primary), var(--cyan));
  border-radius: 2px;
}
.sd-section-text { margin: 0 0 12px; color: var(--gray-700); line-height: 1.9; }
.sd-section-list { margin: 4px 0 0; padding: 0; list-style: none; }
.sd-section-list li {
  position: relative;
  padding: 6px 0 6px 22px;
  color: var(--gray-700);
  line-height: 1.8;
}
.sd-section-list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,102,255,0.12);
}

.sd-section-steps {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.sd-section-steps li {
  position: relative;
  padding: 10px 0 10px 44px;
  color: var(--gray-700);
  line-height: 1.8;
  counter-increment: step;
  border-left: 2px solid var(--gray-200);
  margin-left: 12px;
  padding-left: 32px;
}
.sd-section-steps li:last-child { border-left-color: transparent; }
.sd-section-steps li .step-num {
  position: absolute;
  left: -14px;
  top: 8px;
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,102,255,0.25);
}
.sd-section-steps li .step-num::before { content: counter(step); }
.sd-section-steps li .step-text { display: inline-block; padding-top: 4px; }

.sd-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  border-top: 1px dashed var(--gray-200);
  margin-top: 8px;
}
.sd-tags-label { font-size: var(--font-size-sm); color: var(--gray-500); margin-right: 4px; }
.sd-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--primary);
  background: rgba(0,102,255,0.08);
  border: 1px solid rgba(0,102,255,0.18);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s;
}
.sd-tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.sd-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

@media (max-width: 768px) {
  .sd-card { padding: 24px 20px; }
  .sd-title { font-size: 20px; }
  .sd-section-title { font-size: 16px; }
  .sd-footer { flex-direction: column; }
  .sd-footer .btn { width: 100%; }
}

/* --- 首页：软件服务卡片 --- */
.home-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.hs-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
.hs-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.hs-tag {
  align-self: flex-start;
  padding: 2px 10px;
  background: rgba(0, 102, 255, 0.1);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}
.hs-title {
  font-size: 16px;
  color: var(--dark);
  margin: 14px 0 8px;
}
.hs-summary {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  flex: 1;
  margin: 0 0 16px;
}
.hs-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--gray-100);
  padding-top: 14px;
  font-size: var(--font-size-sm);
}
.hs-pub { color: var(--gray-600); }
.hs-phone { color: var(--dark); font-weight: 700; letter-spacing: 1px; }
.hs-phone.locked { color: var(--gray-500); }
@media (max-width: 1024px) {
  .home-services { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .home-services { grid-template-columns: 1fr; }
}