/* ==========================================================================
   Vincent Digital - Corporate Website
   维森特数字科技 - 企业官网样式
   ========================================================================== */

/* CSS Variables */
:root {
  --primary: #1e5aff;
  --primary-dark: #0f3fcc;
  --primary-light: #4070ff;
  --primary-gradient: linear-gradient(135deg, #1e5aff 0%, #0a84ff 100%);
  --primary-gradient-soft: linear-gradient(135deg, rgba(30,90,255,0.08) 0%, rgba(10,132,255,0.02) 100%);

  --dark: #0a1929;
  --dark-2: #122236;
  --dark-3: #1a2c44;

  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f8fafc;

  --white: #ffffff;
  --black: #000000;

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.18);
  --shadow-blue: 0 20px 40px -10px rgba(30, 90, 255, 0.3);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;

  --container: 1280px;
  --container-narrow: 1100px;

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  background: none;
}

/* Utility */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-white { color: var(--white); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1.2;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(30, 90, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 90, 255, 0.5);
  color: var(--white);
}

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

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

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

.btn-light:hover {
  background: var(--gray-50);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

/* Section */
.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

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

.section-title .eyebrow {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(30, 90, 255, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title h2 {
  font-size: 40px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-title p {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 700px;
  margin: 0 auto;
}

.dark-section {
  background: var(--dark);
  color: var(--white);
}

.dark-section .section-title h2 {
  color: var(--white);
}

.dark-section .section-title p {
  color: var(--gray-300);
}

.dark-section .section-title .eyebrow {
  background: rgba(30, 90, 255, 0.2);
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.logo img {
  height: 44px;
  width: auto;
}

/* 首页与全站页头使用更清晰的品牌标识尺寸 */
.site-header .logo img {
  height: 54px;
}

.logo-text {
  font-size: 20px;
  color: var(--gray-900);
  letter-spacing: 0.5px;
}

.logo-text small {
  display: block;
  font-size: 11px;
  color: var(--gray-500);
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav > li > a {
  display: block;
  padding: 10px 18px;
  color: var(--gray-700);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.main-nav > li > a:hover,
.main-nav > li > a.active {
  color: var(--primary);
  background: rgba(30, 90, 255, 0.06);
}

.main-nav > li > a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

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

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-700);
  font-size: 14px;
}

.header-phone svg {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--gray-700);
}

.mobile-menu-btn:hover {
  background: var(--gray-100);
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: var(--transition-fast);
}

.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: var(--transition-fast);
}

.mobile-menu-btn span::before { top: -7px; }
.mobile-menu-btn span::after { top: 7px; }

.mobile-menu-btn.active span {
  background: transparent;
}

.mobile-menu-btn.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-menu-btn.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 20px;
  transform: translateY(-120%);
  opacity: 0;
  transition: var(--transition);
  z-index: 999;
  max-height: calc(100vh - 76px);
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  display: block;
  padding: 14px 16px;
  color: var(--gray-700);
  font-size: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a.active,
.mobile-menu a:hover {
  color: var(--primary);
  background: rgba(30, 90, 255, 0.04);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 180px 0 100px;
  background:
    linear-gradient(105deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.15) 35%, rgba(240, 246, 255, 0) 55%, rgba(240, 246, 255, 0) 100%),
    url('https://img.vinsente.com/images/banner-digital-marketing-v2.png') center center / cover no-repeat,
    linear-gradient(135deg, #f0f6ff 0%, #ffffff 100%);
  color: var(--gray-900);
  overflow: hidden;
  min-height: 720px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60%;
  height: 160%;
  background: radial-gradient(circle, rgba(30, 90, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 160px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.9));
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(30, 90, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at 70% center, black 10%, transparent 55%);
  -webkit-mask-image: radial-gradient(ellipse at 70% center, black 10%, transparent 55%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.hero-content .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(30, 90, 255, 0.08);
  border: 1px solid rgba(30, 90, 255, 0.2);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 28px;
}

.hero-content .badge .dot {
  width: 6px;
  height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.partner-badge {
  display: inline-flex;
  align-items: center;
  min-height: 64px;
  padding: 6px 14px;
  margin-bottom: 22px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(30, 90, 255, 0.16);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(30, 90, 255, 0.12);
}

.partner-badge img {
  display: block;
  width: auto;
  max-width: 168px;
  max-height: 52px;
  object-fit: contain;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
  color: var(--gray-900);
}

.hero h1 .gradient {
  background: linear-gradient(135deg, #1e5aff 0%, #00b4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--gray-600);
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 520px;
}

.hero-stat .num {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #1e5aff 0%, #00b4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat .label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
}

.hero-visual {
  position: relative;
  height: 480px;
}

.hero-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 14px 34px rgba(30, 90, 255, 0.08), 0 3px 10px rgba(0, 0, 0, 0.03);
}

.hero-card-1 {
  top: 0;
  left: 0;
  width: 280px;
  animation: float 6s ease-in-out infinite;
}

.hero-card-2 {
  top: 60px;
  right: 0;
  width: 260px;
  animation: float 6s ease-in-out infinite 1s;
}

.hero-card-3 {
  bottom: 0;
  left: 40px;
  width: 300px;
  animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-card h4 {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-card .big-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.hero-card .change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--success);
  font-weight: 600;
}

.hero-card .change.down { color: var(--danger); }

.hero-card .bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 60px;
  margin-top: 16px;
}

.hero-card .bar {
  flex: 1;
  background: linear-gradient(to top, var(--primary), var(--primary-light));
  border-radius: 4px 4px 0 0;
  opacity: 0.7;
}

.hero-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-gradient);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

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

/* Hero ghost button override for bright theme */
.hero .btn-ghost {
  background: rgba(30, 90, 255, 0.06);
  color: var(--primary);
  border-color: rgba(30, 90, 255, 0.25);
}

.hero .btn-ghost:hover {
  background: rgba(30, 90, 255, 0.12);
  color: var(--primary-dark);
  border-color: rgba(30, 90, 255, 0.4);
}

/* ==========================================================================
   Page Hero (sub-pages)
   ========================================================================== */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, #0a1929 0%, #122236 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(30, 90, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(10, 132, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

/* About page: custom company banner, with a dedicated dark overlay to retain heading contrast. */
.about-page-hero {
  background: linear-gradient(90deg, rgba(97, 188, 255, 0.58) 0%, rgba(67, 161, 246, 0.42) 52%, rgba(62, 151, 234, 0.52) 100%),
    url('https://img.vinsente.com/images/about-company-banner.png') center 50% / cover no-repeat;
  background-blend-mode: screen;
}

.about-page-hero::before {
  background:
    linear-gradient(90deg, rgba(190, 235, 255, 0.14), transparent 46%, rgba(147, 224, 255, 0.12)),
    radial-gradient(circle at 19% 42%, rgba(173, 232, 255, 0.2), transparent 33%);
}

.about-page-hero .page-hero-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 30px 42px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(235, 249, 255, 0.17), rgba(139, 210, 255, 0.06));
  box-shadow: 0 12px 28px rgba(20, 93, 161, 0.1);
}

.about-page-hero h1,
.about-page-hero .breadcrumb {
  text-shadow: 0 2px 12px rgba(5, 49, 104, 0.42);
}

.about-page-hero h1 {
  color: #fff;
  text-shadow: 0 3px 16px rgba(0, 31, 83, 0.74);
}

.about-page-hero p {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 2px 12px rgba(0, 31, 83, 0.72);
}

.about-page-hero .breadcrumb,
.about-page-hero .breadcrumb span {
  color: rgba(255, 255, 255, 0.84);
}

/* Service pages: unified bright banner with a high-contrast text area. */
.service-page-hero {
  background: #102849;
}

.service-page-hero::before {
  background: none;
}

.service-page-hero .page-hero-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0;
  text-align: center;
}

.service-page-hero h1 {
  color: #fff;
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -1px;
  text-shadow: 0 3px 20px rgba(0, 0, 0, 0.3);
}

.service-page-hero .page-hero-inner p {
  color: rgba(235, 247, 255, 0.92);
  font-weight: 600;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.service-page-hero .breadcrumb {
  justify-content: center;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.service-page-hero .breadcrumb,
.service-page-hero .breadcrumb span {
  color: rgba(194, 226, 247, 0.76);
}

@media (max-width: 768px) {
  .service-page-hero h1 { font-size: 34px; }
}

.page-hero-inner {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.page-hero p {
  font-size: 18px;
  color: var(--gray-300);
  max-width: 700px;
  margin: 0 auto 24px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-400);
}

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

.breadcrumb span {
  color: var(--gray-500);
}

/* ==========================================================================
   Features / Services Grid
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.features-grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.features-grid-cols-4 .feature-card {
  padding: 32px 22px;
}

.features-grid-cols-4 .feature-card h3 {
  font-size: 17px;
}

.features-grid-cols-4 .feature-card p {
  font-size: 13.5px;
  line-height: 1.6;
}

.feature-card {
  padding: 40px 32px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-gradient-soft);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--primary);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary-gradient);
  color: var(--white);
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.7;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--primary);
  font-weight: 500;
  font-size: 14px;
}

.feature-link::after {
  content: '→';
  transition: var(--transition-fast);
}

.feature-link:hover::after {
  transform: translateX(4px);
}

/* Service cards (larger) */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

/* 首页四大业务板块 — 单行四列优化排版 */
.services-grid-4 {
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.services-grid-4 .service-card {
  padding: 36px 22px;
}
.services-grid-4 .service-card .icon-wrap {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
}
.services-grid-4 .service-card .icon-wrap svg {
  width: 28px;
  height: 28px;
}
.services-grid-4 .service-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}
.services-grid-4 .service-card p {
  font-size: 13px;
  line-height: 1.65;
  margin-bottom: 18px;
}
.services-grid-4 .service-card ul {
  margin-bottom: 20px;
}
.services-grid-4 .service-card ul li {
  font-size: 13px;
  padding: 4px 0 4px 22px;
}
.services-grid-4 .service-card .btn {
  font-size: 13px;
  padding: 10px 20px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card .icon-wrap {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.service-shopping-icon,
.service-search-ads-icon,
.service-display-ads-icon,
.service-remarketing-icon {
  background: #fff !important;
  overflow: hidden;
  padding: 0;
  box-shadow: 0 8px 22px rgba(30, 90, 255, 0.16) !important;
}

.service-shopping-icon img,
.service-search-ads-icon img,
.service-display-ads-icon img,
.service-remarketing-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.service-card p {
  color: var(--gray-600);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-card ul {
  text-align: left;
  margin-bottom: 24px;
}

.service-card ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--gray-700);
  font-size: 14px;
}

.service-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ==========================================================================
   Stats Section
   ========================================================================== */
.stats-section {
  background: var(--dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(30, 90, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(10, 132, 255, 0.15) 0%, transparent 50%);
}

.stats-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stat-item {
  text-align: center;
  color: var(--white);
}

.stat-num {
  font-size: 56px;
  font-weight: 700;
  background: linear-gradient(135deg, #6ea3ff 0%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 15px;
  color: var(--gray-300);
}

/* ==========================================================================
   Process / Steps
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-connector {
  position: absolute;
  z-index: 1;
  top: 60px;
  left: 14%;
  right: 14%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #9fc6ff 0%, #1e5aff 50%, #75b4ff 100%);
  box-shadow: 0 4px 14px rgba(30, 90, 255, 0.18);
}

.process-connector::after {
  content: '';
  position: absolute;
  inset: 2px 12%;
  border-radius: inherit;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.72) 0 18px, transparent 18px 34px);
}

.process-step {
  text-align: center;
  position: relative;
  padding: 32px 20px;
  z-index: 2;
}

.process-num {
  width: 64px;
  height: 64px;
  background: var(--primary-gradient);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-blue);
  position: relative;
  z-index: 2;
}

.process-step h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 12.5%;
  right: 12.5%;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(183, 209, 255, 0.5), rgba(30, 90, 255, 0.18), rgba(183, 209, 255, 0.5));
  z-index: 1;
}

/* Website service workflow: a directional eight-step desktop flow that returns on row two. */
.website-process-grid {
  grid-template-rows: repeat(2, 210px);
  row-gap: 18px;
}

.website-process-grid::before {
  display: none;
}

.website-process-flow {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 438px;
  overflow: visible;
  pointer-events: none;
}

.website-flow-rail,
.website-flow-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.website-flow-rail {
  stroke: rgba(179, 211, 255, 0.64);
  stroke-width: 16;
}

.website-flow-line {
  stroke: #2b6dff;
  stroke-width: 6;
  stroke-dasharray: 16 10;
  filter: drop-shadow(0 4px 7px rgba(30, 90, 255, 0.22));
}

.website-flow-arrow {
  fill: #2b6dff;
}

.website-process-step {
  z-index: 2;
}

.website-process-step.step-5 {
  grid-column: 4;
  grid-row: 2;
}

.website-process-step.step-6 {
  grid-column: 3;
  grid-row: 2;
}

.website-process-step.step-7 {
  grid-column: 2;
  grid-row: 2;
}

.website-process-step.step-8 {
  grid-column: 1;
  grid-row: 2;
}

/* Facebook service workflow: two visual rows connected in a snake-shaped route. */
.facebook-process-grid {
  grid-template-rows: repeat(2, 210px);
  row-gap: 18px;
}

.facebook-process-grid::before {
  display: none;
}

.facebook-process-flow {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 438px;
  overflow: visible;
  pointer-events: none;
}

.facebook-flow-rail,
.facebook-flow-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.facebook-flow-rail {
  stroke: rgba(179, 211, 255, 0.64);
  stroke-width: 16;
}

.facebook-flow-line {
  stroke: #2b6dff;
  stroke-width: 6;
  stroke-dasharray: 16 10;
  filter: drop-shadow(0 4px 7px rgba(30, 90, 255, 0.22));
}

.facebook-flow-arrow {
  fill: #2b6dff;
}

.facebook-process-step {
  z-index: 2;
}

.facebook-process-step.step-5 {
  grid-column: 4;
  grid-row: 2;
}

.facebook-process-step.step-6 {
  grid-column: 3;
  grid-row: 2;
}

.facebook-process-step.step-7 {
  grid-column: 2;
  grid-row: 2;
}

.facebook-process-step.step-8 {
  grid-column: 1;
  grid-row: 2;
}

/* Google Ads workflow: two rows linked by a directional return path. */
.ads-process-grid {
  grid-template-rows: repeat(2, 210px);
  row-gap: 18px;
}

.ads-process-grid::before {
  display: none;
}

.ads-process-flow {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: visible;
  pointer-events: none;
}

.ads-flow-rail {
  fill: none;
  stroke: rgba(99, 149, 255, 0.24);
  stroke-width: 13;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ads-flow-line {
  fill: none;
  stroke: #2b6dff;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 8 8;
  filter: drop-shadow(0 0 7px rgba(43, 109, 255, 0.2));
}

.ads-flow-arrow {
  fill: #2b6dff;
}

.ads-process-step {
  z-index: 2;
}

.ads-process-step.step-5 {
  grid-column: 4;
  grid-row: 2;
}

.ads-process-step.step-6 {
  grid-column: 3;
  grid-row: 2;
}

.ads-process-step.step-7 {
  grid-column: 2;
  grid-row: 2;
}

.ads-process-step.step-8 {
  grid-column: 1;
  grid-row: 2;
}

/* ==========================================================================
   Cases / Portfolio
   ========================================================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.case-thumb {
  height: 220px;
  background: var(--primary-gradient);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.case-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(0, 0, 0, 0.2) 0%, transparent 50%);
}

.case-thumb-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 24px;
}

.case-thumb-content .industry {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 8px;
}

.case-thumb-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.case-thumb-content p {
  font-size: 14px;
  opacity: 0.85;
}

.case-body {
  padding: 24px;
}

.case-body h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.case-body p {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 16px;
  line-height: 1.6;
}

.case-results {
  display: flex;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

.case-result {
  flex: 1;
  text-align: center;
}

.case-result .num {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 4px;
}

.case-result .label {
  font-size: 12px;
  color: var(--gray-500);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
  background: var(--dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(30, 90, 255, 0.2) 0%, transparent 60%);
}

.cta-inner {
  position: relative;
  text-align: center;
  color: var(--white);
  max-width: 760px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cta-inner p {
  font-size: 17px;
  color: var(--gray-300);
  margin-bottom: 36px;
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #050d18;
  color: var(--gray-300);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-about {
  max-width: 320px;
}

.footer-about .logo {
  margin-bottom: 24px;
  color: var(--white);
}

.footer-about .logo img {
  height: 40px;
  width: auto;
}

.footer-about p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-400);
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-google-partner {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
  color: var(--white);
  text-decoration: none;
}

.footer-google-partner-card {
  display: block;
  width: 116px;
  line-height: 0;
  transition: transform 0.2s ease;
}

.footer-google-partner-card img {
  display: block;
  width: 100%;
  height: auto;
}

.footer-google-partner-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.footer-google-partner:hover .footer-google-partner-card {
  transform: translateY(-3px);
}

.footer-google-partner:hover .footer-google-partner-link {
  color: #9fc6ff;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--gray-300);
  transition: var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-contact .contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-300);
}

.contact-item-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: flex-start;
  margin-top: 2px;
  color: var(--primary-light);
}

.footer-contact .contact-item svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--gray-400);
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ==========================================================================
   Pricing Table (参考ueeshop)
   ========================================================================== */
.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.pricing-tab {
  padding: 12px 24px;
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.pricing-tab.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

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

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
  border-color: var(--primary);
  border-width: 2px;
  background: linear-gradient(180deg, var(--white) 0%, #f5f9ff 100%);
}

.pricing-card.featured::before {
  content: '最受欢迎';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: var(--white);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.pricing-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 24px;
  min-height: 42px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--gray-200);
}

.pricing-price .currency {
  font-size: 18px;
  color: var(--gray-700);
  font-weight: 600;
}

.pricing-price .amount {
  font-size: 44px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.pricing-price .unit {
  font-size: 14px;
  color: var(--gray-500);
}

.pricing-price .original {
  margin-left: auto;
  font-size: 14px;
  color: var(--gray-400);
  text-decoration: line-through;
}

.pricing-features {
  flex: 1;
  margin-bottom: 28px;
  padding-top: 8px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.5;
}

.pricing-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--success);
}

.pricing-features li.disabled {
  color: var(--gray-400);
}

.pricing-features li.disabled svg {
  color: var(--gray-300);
}

.pricing-cta {
  width: 100%;
  margin-top: auto;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  user-select: none;
  gap: 16px;
}

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

.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-size: 18px;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.open .faq-toggle {
  background: var(--primary);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 24px;
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.8;
}

/* ==========================================================================
   About Page
   ========================================================================== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.about-intro-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 90, 255, 0.1) 0%, transparent 100%);
  pointer-events: none;
}

.about-intro-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro-text h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
  line-height: 1.3;
}

.about-intro-text p {
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  background: rgba(30, 90, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.about-feature span {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-gradient);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-dot {
  position: absolute;
  top: 30px;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(30, 90, 255, 0.2);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}

.timeline-content {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.timeline-year {
  display: inline-block;
  padding: 4px 12px;
  background: var(--primary-gradient);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}

.timeline-content h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Team / Culture */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

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

.culture-icon {
  width: 72px;
  height: 72px;
  background: var(--primary-gradient-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  font-size: 32px;
  font-weight: 700;
}

.culture-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.culture-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ==========================================================================
   Blog / Articles
   ========================================================================== */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

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

.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card-cover {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center;
  border-bottom: 1px solid var(--gray-100);
}

.blog-card > a {
  display: flex;
  flex: 1;
  flex-direction: column;
  color: inherit;
}

.blog-card-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}

.blog-card-title {
  display: -webkit-box;
  overflow: hidden;
  color: var(--gray-900);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  transition: var(--transition-fast);
}

.blog-card-date {
  margin-top: auto;
  color: var(--gray-500);
  font-size: 13px;
}

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

.blog-card:hover .blog-card-title {
  color: var(--primary);
}

.blog-thumb {
  aspect-ratio: 3 / 2;
  position: relative;
  overflow: hidden;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.blog-thumb-content {
  text-align: center;
  padding: 20px;
}

.blog-thumb-content .icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.blog-thumb-content .category {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.8;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  display: inline-block;
}

.blog-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 12px;
}

.blog-meta .tag {
  padding: 2px 10px;
  background: rgba(30, 90, 255, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

.blog-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
  line-height: 1.5;
  transition: var(--transition-fast);
}

.blog-card:hover .blog-body h3 {
  color: var(--primary);
}

.blog-body p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.blog-read-more {
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-block {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
}

.sidebar-block h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-200);
}

.sidebar-search {
  display: flex;
  gap: 8px;
}

.sidebar-search input {
  flex: 1;
  padding: 10px 14px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.sidebar-search button {
  width: 40px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
}

.sidebar-cats li {
  border-bottom: 1px solid var(--gray-100);
}

.sidebar-cats li:last-child {
  border-bottom: none;
}

.sidebar-cats a {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 14px;
  color: var(--gray-700);
}

.sidebar-cats a:hover {
  color: var(--primary);
}

.sidebar-cats a span {
  color: var(--gray-400);
  font-size: 12px;
}

.sidebar-recent {
  display: flex;
  flex-direction: column;
}

.sidebar-recent-item {
  display: block;
  padding: 13px 0;
  border-bottom: 1px solid var(--gray-100);
}

.sidebar-recent-item:first-child {
  padding-top: 0;
}

.sidebar-recent-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.sidebar-recent-item h5 {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-900);
  margin-bottom: 4px;
  line-height: 1.4;
}

.sidebar-recent-item h5:hover {
  color: var(--primary);
}

.sidebar-recent-item .date {
  font-size: 12px;
  color: var(--gray-500);
}

.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar-tags a {
  padding: 6px 12px;
  background: var(--gray-50);
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: var(--transition-fast);
}

.sidebar-tags a:hover {
  background: var(--primary);
  color: var(--white);
}

/* Article Detail */
.article-detail {
  max-width: 880px;
  margin: 0 auto;
}

.article-header {
  text-align: center;
  margin-bottom: 48px;
}

.article-meta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 20px;
}

.article-header h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 16px;
}

.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--gray-700);
}

.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 40px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--gray-900);
  margin: 32px 0 16px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 16px 0 20px 24px;
}

.article-body ul li, .article-body ol li {
  margin-bottom: 8px;
  list-style: disc;
}

.article-body ol li {
  list-style: decimal;
}

.article-body blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  background: var(--primary-gradient-soft);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--gray-700);
}

.article-body img {
  margin: 24px auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  margin: 40px 0;
}

.article-share span {
  font-size: 14px;
  color: var(--gray-500);
}

.article-share a {
  width: 36px;
  height: 36px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
}

.article-share a:hover {
  background: var(--primary);
  color: var(--white);
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: stretch;
}

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

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-gradient-soft);
  color: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-qr {
  width: 188px;
  margin: -2px 0 0 64px;
  padding: 12px;
  text-align: center;
  background: linear-gradient(135deg, #f8fbff, #eef5ff);
  border: 1px solid rgba(30, 90, 255, 0.14);
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(30, 90, 255, 0.08);
}

.contact-qr img {
  display: block;
  width: 164px;
  height: auto;
  border-radius: 6px;
}

.contact-qr p {
  margin-top: 8px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}

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

.contact-form h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.contact-form .form-desc {
  color: var(--gray-500);
  font-size: 14px;
  margin-bottom: 28px;
}

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

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-group label .req { color: var(--danger); }

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 90, 255, 0.1);
}

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

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
}

.map-section {
  margin-top: 60px;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-placeholder {
  height: 400px;
  background: linear-gradient(135deg, #e0e8f5 0%, #c9d6f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 90, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 255, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-pin {
  position: relative;
  z-index: 2;
  text-align: center;
  background: var(--white);
  padding: 20px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.map-pin-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin: 0 auto 12px;
  box-shadow: 0 0 0 8px rgba(30, 90, 255, 0.2);
}

/* ==========================================================================
   Partners / Clients
   ========================================================================== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.partner-item {
  background: var(--white);
  padding: 32px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-700);
  text-align: center;
  transition: var(--transition-fast);
  min-height: 100px;
}

.partner-item:hover {
  background: var(--primary-gradient-soft);
  color: var(--primary);
}

/* ==========================================================================
   Scrolling Logo Wall (合作伙伴滚动logo墙)
   ========================================================================== */
.logo-wall {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.logo-wall-row {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.logo-wall-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: logoScroll 28s linear infinite;
}

.logo-wall-track-reverse {
  animation-direction: reverse;
}

.logo-wall:hover .logo-wall-track {
  animation-play-state: paused;
}

.logo-wall-item {
  flex-shrink: 0;
  width: 200px;
  height: 100px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  transition: all 0.3s ease;
}

.logo-wall-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 20px rgba(30, 90, 255, 0.12);
  transform: translateY(-2px);
}

.logo-wall-item img {
  max-width: 100%;
  max-height: 56px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.6);
  transition: all 0.35s ease;
}

.logo-wall-item:hover img {
  filter: grayscale(0%) opacity(1);
}

@keyframes logoScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 12px)); }
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 32px;
  position: relative;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-quote {
  font-size: 48px;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
  font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
  font-size: 18px;
}

.testimonial-author h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
}

.testimonial-author p {
  font-size: 13px;
  color: var(--gray-500);
}

/* ==========================================================================
   Why Us
   ========================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  padding: 40px 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.why-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.why-num {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.why-card h4 {
  font-size: 19px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.why-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ==========================================================================
   Trust Bar (Hero bottom)
   ========================================================================== */
.trust-bar {
  position: relative;
  z-index: 3;
  margin-top: 64px;
  padding: 28px 40px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(30, 90, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(30, 90, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-bar-item .tb-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-bar-item .tb-icon svg {
  color: var(--white);
  width: 22px;
  height: 22px;
}

.trust-bar-item [data-home-icon="trust-google"] {
  background: var(--white);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.trust-bar-item [data-home-icon="trust-google"] svg {
  width: 24px;
  height: 24px;
}

.trust-bar-item [data-home-icon="trust-facebook"] svg {
  width: 23px;
  height: 23px;
}

.trust-bar-item .tb-text strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
}

.trust-bar-item .tb-text span {
  font-size: 13px;
  color: var(--gray-500);
}

.trust-bar-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

/* ==========================================================================
   Platform Matrix (营销平台矩阵)
   ========================================================================== */
.platform-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--platform-color, var(--primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.platform-card:hover {
  border-color: var(--platform-color, var(--primary));
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.platform-card:hover::before {
  transform: scaleX(1);
}

.platform-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.platform-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
  background: var(--platform-color, var(--primary));
}

.platform-card-icon svg {
  width: 32px;
  height: 32px;
  display: block;
}

.platform-card-icon[data-platform-icon="google-ads"],
.platform-card-icon[data-platform-icon="google-seo"],
.platform-card-icon[data-platform-icon="youtube"],
.platform-card-icon[data-platform-icon="instagram"] {
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.platform-card-icon[data-platform-icon="google-ads"] svg,
.platform-card-icon[data-platform-icon="google-seo"] svg,
.platform-card-icon[data-platform-icon="youtube"] svg,
.platform-card-icon[data-platform-icon="instagram"] svg {
  width: 36px;
  height: 36px;
}

.platform-card-icon[data-platform-icon="google-ads"] img {
  display: block;
  width: 68px;
  height: 68px;
  object-fit: contain;
}

.platform-card-icon[data-platform-icon="tiktok"] {
  background: #111827;
}

.platform-card-icon[data-platform-icon="tiktok"] svg {
  width: 26px;
  height: 26px;
}

.platform-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
}

.platform-card-sub {
  font-size: 12px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.platform-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.platform-card-list li {
  font-size: 13px;
  color: var(--gray-600);
  padding: 7px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: 8px;
}

.platform-card-list li:last-child {
  border-bottom: none;
}

.platform-card-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--platform-color, var(--primary));
  flex-shrink: 0;
}

/* ==========================================================================
   Before / After Comparison (优化前后对比)
   ========================================================================== */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 22px;
  align-items: stretch;
  max-width: 1000px;
  margin: 0 auto;
  padding: 14px;
  border: 1px solid rgba(30, 90, 255, 0.1);
  border-radius: calc(var(--radius-lg) + 8px);
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.75), rgba(255, 255, 255, 0.96));
}

.compare-card {
  padding: 40px 36px;
  border-radius: var(--radius-md);
  position: relative;
}

.compare-card::after {
  content: '';
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0 18%, transparent 19% 100%);
  opacity: 0.38;
}

.compare-card.before {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}

.compare-card.after {
  background: linear-gradient(135deg, #1e5aff 0%, #0a84ff 100%);
  color: var(--white);
  box-shadow: 0 20px 50px rgba(30, 90, 255, 0.25);
}

.compare-card-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.compare-card.before .compare-card-label {
  background: var(--gray-200);
  color: var(--gray-600);
}

.compare-card.after .compare-card-label {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.compare-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
}

.compare-card.before h3 { color: var(--gray-700); }
.compare-card.after h3 { color: var(--white); }

.compare-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.compare-list li {
  font-size: 15px;
  line-height: 1.6;
  padding: 12px 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.compare-card.after .compare-list li {
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.compare-list li:last-child {
  border-bottom: none;
}

.compare-card.before .compare-list li::before {
  content: '\2715';
  color: var(--danger);
  font-weight: 700;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: rgba(239, 68, 68, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.compare-card.after .compare-list li::before {
  content: '\2713';
  color: var(--white);
  font-weight: 700;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.compare-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  align-self: center;
  padding: 0;
  border-radius: 50%;
  background: var(--primary-gradient);
  box-shadow: 0 12px 28px rgba(30, 90, 255, 0.24);
  color: var(--white);
  font-size: 25px;
  line-height: 1;
  position: relative;
  z-index: 2;
}

.compare-arrow-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: 3px;
}

/* ==========================================================================
   Global Reach (全球覆盖)
   ========================================================================== */
.global-reach {
  background: linear-gradient(135deg, #0a1929 0%, #122236 50%, #0a1929 100%);
  color: var(--white);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.global-reach::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(30, 90, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.global-reach .container {
  position: relative;
  z-index: 1;
}

.global-reach .section-title h2 {
  color: var(--white);
}

.global-reach .section-title p {
  color: var(--gray-400);
}

.global-reach .section-title .eyebrow {
  color: var(--primary-light);
}

.global-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.global-stat {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.global-stat:hover {
  background: rgba(30, 90, 255, 0.1);
  border-color: rgba(30, 90, 255, 0.3);
  transform: translateY(-4px);
}

.global-stat .gs-num {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, #6ea3ff 0%, #00b4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
}

.global-stat .gs-label {
  font-size: 14px;
  color: var(--gray-400);
}

/* ==========================================================================
   Case ROI Badge
   ========================================================================== */
.case-roi {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

/* ==========================================================================
   Case Center - 案例中心
   ========================================================================== */
.case-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

.case-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-full);
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.case-filter:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: rgba(30, 90, 255, 0.04);
}

.case-filter.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.case-filter .count {
  font-size: 12px;
  opacity: 0.7;
  font-weight: 400;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-item {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.case-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.case-item-thumb {
  position: relative;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.case-item-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  filter: brightness(0.85);
  transition: var(--transition);
}

.case-item:hover .case-item-thumb::before {
  filter: brightness(0.95);
  transform: scale(1.05);
}

.case-item-thumb-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 20px;
}

.case-item-thumb-content .industry-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

.case-item-thumb-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.case-item-thumb-content .service-type {
  font-size: 13px;
  opacity: 0.85;
  letter-spacing: 0.3px;
}

.case-item-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-item-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray-600);
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.case-item-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--gray-600);
  font-weight: 500;
}

.case-item-tag.tag-accent {
  background: rgba(30, 90, 255, 0.08);
  color: var(--primary);
}

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

.case-item-metric .metric-label {
  font-size: 13px;
  color: var(--gray-500);
}

.case-item-metric .metric-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.case-item-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  margin-top: 16px;
}

.case-item-link:hover {
  gap: 10px;
}

.case-item-link svg {
  width: 16px;
  height: 16px;
}

/* Case Detail Page */
.case-detail-hero {
  position: relative;
  padding: 160px 0 60px;
  background: linear-gradient(135deg, #0a1929 0%, #122236 50%, #1a2c44 100%);
  color: var(--white);
  overflow: hidden;
}

.case-detail-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(30, 90, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 255, 0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at 30% center, black 20%, transparent 60%);
  -webkit-mask-image: radial-gradient(ellipse at 30% center, black 20%, transparent 60%);
}

.case-detail-hero .container {
  position: relative;
  z-index: 2;
}

.case-detail-hero h1 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.case-detail-hero .case-subtitle {
  font-size: 18px;
  color: var(--gray-300);
  margin-bottom: 24px;
  line-height: 1.6;
}

.case-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.case-detail-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: 14px;
  color: var(--gray-300);
}

.case-detail-meta-item strong {
  color: var(--white);
  font-weight: 600;
}

.case-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: -30px 0 60px;
  position: relative;
  z-index: 10;
}

.case-stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.case-stat-card:hover {
  transform: translateY(-4px);
}

.case-stat-card .num {
  font-size: 36px;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.case-stat-card .label {
  font-size: 14px;
  color: var(--gray-500);
}

.case-detail-section {
  margin-bottom: 60px;
}

.case-detail-section h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  line-height: 1.2;
}

.case-detail-section h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-800);
  margin: 24px 0 12px;
}

.case-detail-section p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 16px;
}

.case-detail-section ul {
  margin-bottom: 16px;
  padding-left: 0;
  list-style: none;
}

.case-detail-section ul li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.case-detail-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0.1;
}

.case-detail-section ul li::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 14px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.case-solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.case-solution-card {
  padding: 24px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.case-solution-card:hover {
  border-color: var(--primary-light);
  background: var(--white);
  box-shadow: var(--shadow);
}

.case-solution-card .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--primary-gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
}

.case-solution-card .icon svg {
  width: 24px;
  height: 24px;
}

.case-solution-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.case-solution-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-600);
  margin: 0;
}

.case-timeline {
  position: relative;
  padding-left: 32px;
}

.case-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--gray-200);
}

.case-timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.case-timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--primary);
  z-index: 2;
}

.case-timeline-item .time {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.case-timeline-item .title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.case-timeline-item .desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-600);
}

.case-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-200);
}

.case-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  max-width: 48%;
}

.case-nav-link:hover {
  background: var(--primary-gradient-soft);
}

.case-nav-link .dir {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.case-nav-link .title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
}

.case-nav-link.next {
  margin-left: auto;
  text-align: right;
  flex-direction: row-reverse;
}

/* Pagination */
.case-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 56px;
}

.case-pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  text-decoration: none;
  transition: var(--transition);
}

.case-pagination a:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}

.case-pagination a.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.case-pagination a.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ==========================================================================
   客户 Logo 展示墙（参考华球通合作品牌布局）
   ========================================================================== */
.client-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.client-logo-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 20px 24px;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.client-logo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.35s ease;
  transform-origin: left;
}

.client-logo-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(30, 90, 255, 0.25);
}

.client-logo-card:hover::before {
  transform: scaleX(1);
}

.client-logo-img {
  width: 100%;
  height: 148px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.client-logo-img img {
  max-width: 96%;
  max-height: 120px;
  object-fit: contain;
  filter: grayscale(45%) opacity(0.84);
  transition: all 0.35s ease;
}

.client-logo-card:hover .client-logo-img img {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.05);
}

.client-logo-info h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.client-tags {
  display: flex;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap;
}

.client-tag {
  font-size: 12px;
  padding: 3px 10px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.client-service {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  margin-top: 2px;
}

/* ==========================================================================
   Section background variants
   ========================================================================== */
.bg-light { background: var(--gray-50); }
.bg-dark { background: var(--dark); color: var(--white); }
.bg-dark-soft { background: var(--dark-2); color: var(--white); }

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-about { grid-column: span 3; max-width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .blog-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-qr { margin-left: 0; }
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .platform-matrix { grid-template-columns: repeat(2, 1fr); }
  .global-stats { grid-template-columns: repeat(2, 1fr); }
  .trust-bar { justify-content: center; }
  .trust-bar-divider { display: none; }
  .services-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .features-grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .client-logo-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-title h2 { font-size: 28px; }
  .section-title { margin-bottom: 40px; }
  .page-hero { padding: 120px 0 60px; }
  .page-hero h1 { font-size: 32px; }
  .hero { padding: 130px 0 60px; min-height: auto; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 15px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .hero-stat .num { font-size: 26px; }
  .container { padding: 0 20px; }
  .header-inner { height: 64px; }
  .site-header .header-inner { height: 72px; }
  .site-header .logo img { height: 52px; }
  .logo-text { font-size: 16px; }
  .main-nav { display: none; }
  .header-phone { display: none; }
  .mobile-menu-btn { display: flex; }
  .mobile-menu { top: 72px; max-height: calc(100vh - 72px); }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: span 2; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-num { font-size: 36px; }

  .process-grid { grid-template-columns: 1fr; gap: 0; padding-left: 42px; }
  .process-grid::before {
    display: block;
    top: 34px;
    bottom: 34px;
    left: 24px;
    right: auto;
    width: 8px;
    height: auto;
    background: linear-gradient(180deg, rgba(183, 209, 255, 0.45), rgba(30, 90, 255, 0.25), rgba(183, 209, 255, 0.45));
  }
  .website-process-grid { grid-template-rows: none; }
  .website-process-flow { display: none; }
  .website-process-step.step-5,
  .website-process-step.step-6,
  .website-process-step.step-7,
  .website-process-step.step-8 {
    grid-column: auto;
    grid-row: auto;
  }
  .facebook-process-grid { grid-template-rows: none; }
  .facebook-process-flow { display: none; }
  .facebook-process-step.step-5,
  .facebook-process-step.step-6,
  .facebook-process-step.step-7,
  .facebook-process-step.step-8 {
    grid-column: auto;
    grid-row: auto;
  }
  .ads-process-grid { grid-template-rows: none; }
  .ads-process-flow { display: none; }
  .ads-process-step.step-5,
  .ads-process-step.step-6,
  .ads-process-step.step-7,
  .ads-process-step.step-8 {
    grid-column: auto;
    grid-row: auto;
  }
  .process-connector { display: none; }
  .process-step { padding: 18px 0 18px 22px; text-align: left; }
  .process-num { width: 50px; height: 50px; font-size: 20px; margin: 0 0 12px; }

  .cases-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }

  .features-grid { grid-template-columns: 1fr; }
  .features-grid-cols-4 { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .services-grid-4 { grid-template-columns: 1fr; }
  .client-logo-grid { grid-template-columns: repeat(2, 1fr); }
  .client-logo-img { height: 118px; }
  .client-logo-img img { max-height: 92px; }
  .blog-grid { grid-template-columns: 1fr; }

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

  .cta-inner h2 { font-size: 26px; }
  .cta-inner p { font-size: 15px; }

  .timeline::before { left: 16px; }
  .timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding: 16px 16px 16px 48px; }
  .timeline-dot { left: 8px !important; right: auto !important; }

  .pricing-tabs { gap: 6px; }
  .pricing-tab { padding: 8px 16px; font-size: 13px; }

  .article-header h1 { font-size: 26px; }
  .article-body h2 { font-size: 22px; }

  .platform-matrix { grid-template-columns: 1fr; }
  .global-stats { grid-template-columns: 1fr; }

  .logo-wall-item { width: 160px; height: 84px; padding: 12px 18px; }
  .logo-wall-item img { max-height: 44px; }
  .logo-wall-track { animation-duration: 22s; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-arrow { width: 58px; height: 58px; justify-self: center; margin: -2px 0; }
  .compare-arrow > span:last-child { transform: rotate(90deg); }
  .partner-badge img { max-height: 40px; max-width: 142px; }
  .trust-bar { flex-direction: column; gap: 20px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .case-stats-bar { grid-template-columns: repeat(2, 1fr); }
  .case-solution-grid { grid-template-columns: 1fr 1fr; }
  .case-detail-hero h1 { font-size: 32px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-about { grid-column: span 1; }
  .culture-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .case-stats-bar { grid-template-columns: 1fr; }
  .case-solution-grid { grid-template-columns: 1fr; }
  .case-nav { flex-direction: column; }
  .case-nav-link { max-width: 100%; }
}

/* ==========================================================================
   Design Showcase - 设计赏析 (Hover Scroll)
   ========================================================================== */
.sc-intro {
  text-align: center;
  margin-bottom: 48px;
}
.sc-intro h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.sc-intro p {
  font-size: 16px;
  color: var(--gray-500);
}

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

.sc-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}
.sc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Preview window */
.sc-preview {
  position: relative;
  height: 320px;
  overflow: hidden;
  background: #f0f0f0;
}

.sc-dynamic-preview {
  --sc-dynamic-preview-height: 320px;
  display: block;
  background: linear-gradient(135deg, #0d4ea3 0%, #2d8ff0 55%, #95d4ff 100%);
}

.sc-dynamic-preview img {
  width: 100%;
  height: auto;
  min-height: 100%;
  display: block;
  transform: translateY(0);
  transform-origin: top center;
  transition: transform 14s linear;
  will-change: transform;
}

.sc-card:hover .sc-dynamic-preview img {
  transform: translateY(calc(-100% + var(--sc-dynamic-preview-height)));
}

.sc-dynamic-placeholder {
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 999px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Long screenshot - scrolls on hover */
.sc-screenshot {
  will-change: transform;
  transition: transform 5s ease-in-out;
  transform: translateY(0);
}
.sc-card:hover .sc-screenshot {
  transform: translateY(calc(-100% + 320px));
}

/* Browser chrome */
.sc-browser {
  height: 34px;
  background: #eef1f5;
  border-bottom: 1px solid #dde2e8;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  flex-shrink: 0;
}
.sc-browser-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}
.sc-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.sc-dot-r { background: #ff5f57; }
.sc-dot-y { background: #febc2e; }
.sc-dot-g { background: #28c840; }
.sc-url-bar {
  flex: 1;
  height: 18px;
  background: #fff;
  border-radius: 4px;
  border: 1px solid #ddd;
  font-size: 9px;
  color: #999;
  line-height: 18px;
  padding: 0 8px;
  font-family: 'Courier New', monospace;
  overflow: hidden;
  white-space: nowrap;
  text-align: center;
}

/* Gradient overlay + view button */
.sc-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.45), transparent);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 10;
}
.sc-card:hover .sc-overlay {
  opacity: 1;
}
.sc-view-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(30, 90, 255, 0.5);
}

/* Info bar */
.sc-info {
  padding: 16px 20px 20px;
  text-align: center;
}
.sc-industry {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(30, 90, 255, 0.08);
  color: var(--primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 8px;
}
.sc-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.sc-service {
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: 0.3px;
}

/* === Website Mockup Elements === */

/* Nav bar */
.mock-nav {
  height: 38px;
  background: #fff;
  border-bottom: 1px solid #eee;
  flex-shrink: 0;
}
.mock-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 14px;
}
.mock-logo {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  flex-shrink: 0;
}
.mock-nav-links {
  display: flex;
  gap: 12px;
}
.mock-link {
  height: 4px;
  background: #aaa;
  border-radius: 2px;
}
.mock-nav-btn {
  width: 48px;
  height: 16px;
  border-radius: 8px;
  flex-shrink: 0;
}

/* Hero section */
.mock-hero {
  height: 168px;
  display: flex;
  align-items: center;
  padding: 20px;
  position: relative;
  flex-shrink: 0;
}
.mock-hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
  justify-content: center;
}
.mock-hero-title {
  width: 70%;
  height: 11px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 3px;
}
.mock-hero-title2 {
  width: 50%;
  height: 11px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 3px;
}
.mock-hero-sub {
  width: 45%;
  height: 7px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 3px;
  margin-top: 2px;
}
.mock-hero-btns {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.mock-hero-btn {
  width: 55px;
  height: 16px;
  background: #fff;
  border-radius: 8px;
}
.mock-hero-btn2 {
  width: 45px;
  height: 16px;
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
}
.mock-hero-visual {
  width: 80px;
  height: 100%;
  position: relative;
  flex-shrink: 0;
}
.mock-hero-circle {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.3);
  position: absolute;
  top: 10px;
  right: 5px;
}
.mock-hero-square {
  width: 35px;
  height: 35px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
  position: absolute;
  bottom: 15px;
  right: 25px;
}

/* Trust bar */
.mock-trust {
  height: 32px;
  background: #f8f9fb;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mock-trust-inner {
  display: flex;
  gap: 18px;
}
.mock-trust-item {
  width: 50px;
  height: 14px;
  background: #ddd;
  border-radius: 2px;
}

/* Products section */
.mock-products {
  padding: 14px 12px;
  flex-shrink: 0;
}
.mock-section-head {
  text-align: center;
  margin-bottom: 10px;
}
.mock-section-title {
  width: 120px;
  height: 10px;
  background: #333;
  border-radius: 2px;
  margin: 0 auto;
}
.mock-section-sub {
  width: 80px;
  height: 7px;
  background: #ccc;
  border-radius: 2px;
  margin: 5px auto 0;
}
.mock-prod-grid {
  display: flex;
  gap: 8px;
}
.mock-prod-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.mock-prod-img {
  width: 100%;
  height: 48px;
  border-radius: 4px;
}
.mock-prod-title {
  width: 80%;
  height: 7px;
  border-radius: 2px;
}
.mock-prod-desc {
  width: 60%;
  height: 5px;
  background: #ddd;
  border-radius: 2px;
}
.mock-prod-btn {
  width: 40px;
  height: 12px;
  border-radius: 6px;
  margin-top: 2px;
}

/* Features section */
.mock-features {
  padding: 14px 12px;
  background: #f0f3f8;
  flex-shrink: 0;
}
.mock-feat-grid {
  display: flex;
  gap: 8px;
}
.mock-feat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.mock-feat-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  margin-bottom: 2px;
}
.mock-feat-title {
  width: 60%;
  height: 7px;
  background: #333;
  border-radius: 2px;
}
.mock-feat-desc {
  width: 90%;
  height: 5px;
  background: #ccc;
  border-radius: 2px;
}

/* Stats bar */
.mock-stats {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-shrink: 0;
}
.mock-stat {
  text-align: center;
}
.mock-stat-num {
  width: 36px;
  height: 16px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  margin: 0 auto;
}
.mock-stat-label {
  width: 45px;
  height: 7px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
  margin: 4px auto 0;
}

/* Footer */
.mock-footer {
  height: 46px;
  background: #1a1a2e;
  display: flex;
  align-items: center;
  padding: 0 14px;
  flex-shrink: 0;
}
.mock-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.mock-footer-logo {
  width: 45px;
  height: 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  flex-shrink: 0;
}
.mock-footer-links {
  display: flex;
  gap: 8px;
}
.mock-footer-link {
  width: 25px;
  height: 5px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
}
.mock-footer-copy {
  width: 100px;
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}

/* Responsive */
@media (max-width: 1100px) {
  .sc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .sc-grid { grid-template-columns: 1fr; }
  .sc-preview { height: 280px; }
  .sc-dynamic-preview { --sc-dynamic-preview-height: 280px; }
  .sc-card:hover .sc-screenshot { transform: translateY(calc(-100% + 280px)); }
  .sc-intro h2 { font-size: 26px; }
}
@media (max-width: 480px) {
  .sc-grid { grid-template-columns: 1fr; }
  .sc-preview { height: 260px; }
  .sc-dynamic-preview { --sc-dynamic-preview-height: 260px; }
  .sc-card:hover .sc-screenshot { transform: translateY(calc(-100% + 260px)); }
}

/* 首页最新案例在桌面端与案例中心一致：固定三列、最多两行。 */
.home-latest-cases-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 767px) {
  .home-latest-cases-grid { grid-template-columns: 1fr; }
}

/* ===== 悬浮免费诊断按钮 ===== */
.float-cta {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 16px 10px 16px 14px;
  background: linear-gradient(135deg, var(--primary) 0%, #3b7cff 100%);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border-radius: 24px 0 0 24px;
  box-shadow: -4px 4px 24px rgba(30, 90, 255, 0.35);
  transition: all 0.3s ease;
  writing-mode: vertical-rl;
  letter-spacing: 2px;
  line-height: 1;
}

.float-cta:hover {
  background: linear-gradient(135deg, #1746e0 0%, #2b6fff 100%);
  box-shadow: -6px 6px 32px rgba(30, 90, 255, 0.5);
  padding-right: 14px;
}

.float-cta-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: rotate(180deg);
}

.float-cta-icon svg {
  width: 18px;
  height: 18px;
  color: #fff;
}

@media (max-width: 768px) {
  .float-cta {
    font-size: 13px;
    padding: 12px 8px 12px 10px;
    letter-spacing: 1px;
    border-radius: 20px 0 0 20px;
  }
  .float-cta-icon svg {
    width: 16px;
    height: 16px;
  }
}

@media (max-width: 480px) {
  .float-cta {
    font-size: 12px;
    padding: 10px 7px 10px 8px;
    border-radius: 18px 0 0 18px;
  }
  .float-cta-icon svg {
    width: 14px;
    height: 14px;
  }
}