/* ========== CSS Variables & Reset ========== */
:root {
  --primary: #0268FE;
  --primary-dark: #0150CC;
  --primary-light: #14B7F0;
  --accent: #27C7FF;
  --accent-glow: rgba(20, 183, 240, 0.3);
  --dark-bg: #0F1C1D;
  --dark-bg2: #1A1A1A;
  --dark-bg3: #101D35;
  --glass-bg: rgba(2, 104, 254, 0.06);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-bg-dark: rgba(15, 28, 29, 0.85);
  --text-primary: #0F1C1D;
  --text-secondary: #928E8C;
  --text-light: rgba(255, 255, 255, 0.85);
  --text-dim: rgba(255, 255, 255, 0.5);
  --border-light: #E0E0E0;
  --bg-section: #f5f5f5;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-gradient: linear-gradient(270deg, #14B7F0 0%, #0268FE 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  color: var(--text-primary);
  line-height: 1.7;
  background: #fff;
  -webkit-font-smoothing: auto;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* ========== Glassmorphism Utilities ========== */
.glass {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}
.glass-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

/* ========== Header Wrapper (nav + header combined) ========== */
.header-wrapper {
  position: relative;
  background: #fff;
}

/* ========== Top Navigation — floats at top-right ========== */
.top-nav {
  background: var(--nav-gradient);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 15px;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1000;
  height: 41px;
  border-radius: 0 0 0 25px;
}
.top-nav a {
  color: #fff;
  padding: 0 30px;
  font-size: 16px;
  font-weight: 400;
  height: 41px;
  line-height: 41px;
  margin: 0 10px;
  transition: var(--transition);
  position: relative;
  border-radius: 25px;
  display: block;
}
.top-nav a:hover { background: #27C7FF; }
.top-nav a.active {
  color: #fff;
  background: #27C7FF;
}

/* ========== Services Dropdown ========== */
.top-nav .nav-dropdown {
  position: relative;
}
.top-nav .nav-dropdown > a::after {
  content: '';
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid #14B7F0;
  border-radius: 10px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.16);
  min-width: 260px;
  padding: 8px 0;
  z-index: 2000;
}
.top-nav .nav-dropdown:hover .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: block;
  color: #333 !important;
  background: none !important;
  padding: 4px 22px !important;
  font-size: 16px !important;
  line-height: 28px !important;
  border-radius: 6px !important;
  margin: 1px 8px !important;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover {
  background: #f0f7ff !important;
  color: var(--primary) !important;
}

/* ========== Header ========== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 55px 40px 20px;
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
  gap: 15px;
  min-height: 160px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo svg { width: 52px; height: 52px; }
.logo-text {
  font-size: 30px;
  font-weight: 800;
  color: var(--dark-bg);
  line-height: 1.15;
}
.logo-text span { color: var(--primary); }

.service-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}
.service-icon {
  text-align: center;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  min-width: 110px;
}
.service-icon:hover { color: var(--primary); transform: translateY(-3px); }
.service-icon:hover svg { stroke: var(--primary); }
.service-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--text-secondary);
  stroke-width: 1.5;
  fill: none;
  transition: var(--transition);
}
.service-icon img {
  width: 45px;
  height: 45px;
  object-fit: contain;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-icon:hover img {
  transform: scale(1.1) translateY(-2px);
  filter: drop-shadow(0 3px 8px rgba(2, 104, 254, 0.2));
}

.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.phone-number {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--dark-bg);
}
.phone-number svg { width: 20px; height: 20px; stroke: var(--primary); fill: none; }
.social-icons { display: flex; gap: 8px; }
.social-icons a {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}
.social-icons a:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(270deg, #14B7F0 0%, #0268FE 50%, #0150CC 100%);
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(39,199,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(2,104,254,0.12) 0%, transparent 60%);
}
.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 30h60M30 0v60' stroke='rgba(255,255,255,0.03)' stroke-width='1'/%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 0 20px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 24px;
  border: 1px solid rgba(39,199,255,0.2);
  background: rgba(39,199,255,0.06);
}
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, #b8d8f8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 19px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  line-height: 1.6;
}
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(2,104,254,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(2,104,254,0.5); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: #fff;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.25);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); }
.btn-primary svg, .btn-outline svg { width: 18px; height: 18px; }

/* ========== Page Banner ========== */
.page-banner {
  position: relative;
  height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background: url('images/slider-1.jpg') center/cover no-repeat;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(270deg, rgba(20,183,240,0.85) 0%, rgba(2,104,254,0.9) 50%, rgba(1,80,204,0.9) 100%);
}
.page-banner h1 {
  position: relative;
  font-size: 40px;
  font-weight: 500;
}
.page-banner .breadcrumb {
  position: relative;
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-dim);
}
.page-banner .breadcrumb a { color: var(--accent); }

/* ========== Section ========== */
.section { padding: 80px 5%; }
.section-gray { background: var(--bg-section); }
.section-dark {
  background: var(--dark-bg);
  color: #fff;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}
.section-header .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(2,104,254,0.08);
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-dark .section-header h2 { color: #fff; }
.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.section-dark .section-header p { color: var(--text-dim); }
.section-dark .section-header .tag {
  color: var(--accent);
  background: rgba(39,199,255,0.1);
}

/* ========== Stat Bar ========== */
.stat-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  margin: -50px 5% 0;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.stat-item {
  padding: 32px 24px;
  text-align: center;
  border-right: 1px solid var(--border-light);
}
.stat-item:last-child { border-right: none; }
.stat-item .stat-num {
  font-size: clamp(22px, 2.6vw, 36px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ========== Services Grid ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.svc-card {
  position: relative;
  padding: 32px 24px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
}
.svc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.svc-card:hover::before { opacity: 1; }
.svc-card .svc-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
  background: transparent;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.svc-card .svc-icon img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  opacity: 0.8;
  transition: var(--transition);
}
.svc-card:hover .svc-icon img {
  opacity: 1;
  transform: scale(1.05);
}
.svc-card .svc-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.5;
}
.svc-card h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.section-dark .svc-card {
  background: var(--dark-bg3);
  border-color: rgba(255,255,255,0.06);
}
.section-dark .svc-card h4 { color: #fff; }
.section-dark .svc-card .svc-icon { background: rgba(39,199,255,0.08); }
.section-dark .svc-card .svc-icon svg { stroke: var(--accent); }

/* ========== Intro ========== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.intro-text h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 10px;
}
.intro-text .accent-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin-bottom: 20px;
}
.intro-text p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 15px;
}
.intro-text .feature-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.intro-text .feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}
.intro-text .feature-item .check-icon {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: rgba(2,104,254,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.intro-text .feature-item .check-icon svg {
  width: 12px;
  height: 12px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2.5;
}
.intro-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark-bg2), var(--primary-dark));
  padding: 40px;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.intro-visual::before {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(39,199,255,0.08), transparent 60%);
}
.intro-visual svg {
  position: relative;
  width: 200px;
  height: 200px;
  stroke: var(--accent);
  fill: none;
  opacity: 0.6;
}

/* ========== Workflow ========== */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.workflow-grid::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent), transparent);
  opacity: 0.3;
}
.wf-step {
  text-align: center;
  position: relative;
  padding: 0 10px;
}
.wf-step .wf-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 16px;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 20px rgba(2,104,254,0.4);
}
.wf-step .wf-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wf-step .wf-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}
.wf-step h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}
.wf-step p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ========== Lab Section ========== */
.lab-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.lab-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #0a1628, #0d2847);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.lab-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(39,199,255,0.06), transparent 70%);
}
.lab-visual svg {
  position: relative;
  z-index: 1;
  width: 180px;
  height: 180px;
  stroke: rgba(39,199,255,0.4);
  fill: none;
}
.lab-text h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 10px;
}
.lab-text .accent-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin-bottom: 20px;
}
.lab-text p { color: var(--text-secondary); margin-bottom: 14px; font-size: 15px; }
.lab-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}
.lab-feat {
  padding: 16px;
  border-radius: var(--radius);
  background: var(--bg-section);
  border: 1px solid var(--border-light);
}
.lab-feat h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.lab-feat p { font-size: 13px; color: var(--text-secondary); margin: 0; }

/* ========== Reviews ========== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  padding: 28px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.review-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.review-stars { color: #f59e0b; font-size: 14px; margin-bottom: 12px; letter-spacing: 2px; }
.review-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}
.review-author-info h5 { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.review-author-info span { font-size: 12px; color: var(--text-secondary); }

/* ========== Request Form ========== */
.request-section {
  position: relative;
  background: linear-gradient(270deg, #14B7F0, #0268FE, #0150CC);
  padding: 80px 5%;
  overflow: hidden;
}
.request-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(39,199,255,0.06), transparent 60%);
}
.request-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.request-text h2 { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.request-text p { color: var(--text-dim); font-size: 15px; margin-bottom: 10px; }
.request-text .highlight { color: var(--accent); font-weight: 600; font-size: 17px; }
.request-form {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
}
.request-form .form-group { margin-bottom: 14px; }
.request-form input,
.request-form textarea,
.request-form select {
  width: 100%;
  padding: 13px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}
.request-form input::placeholder,
.request-form textarea::placeholder {
  color: rgba(255,255,255,0.35);
}
.request-form input:focus,
.request-form textarea:focus,
.request-form select:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(39,199,255,0.04);
}
.request-form textarea { min-height: 90px; resize: vertical; }
.request-form select { cursor: pointer; }
.request-form select option { background: var(--dark-bg); color: #fff; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.request-form .btn-submit {
  width: 100%;
  padding: 15px;
  border-radius: 50px;
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(2,104,254,0.4);
  margin-top: 6px;
}
.request-form .btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(2,104,254,0.5);
}

/* ========== Brands ========== */
.brands-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  align-items: center;
}
.brand-logo {
  font-size: 22px;
  font-weight: 800;
  color: #b0bec5;
  transition: var(--transition);
  letter-spacing: 1px;
}
.brand-logo:hover { color: var(--primary); }

/* ========== OS Section ========== */
.os-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.os-item {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.os-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.os-item svg {
  width: 40px;
  height: 40px;
  fill: var(--text-secondary);
}

/* ========== Blog Grid ========== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.blog-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: var(--shadow);
}

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

.blog-thumb {
  flex-shrink: 0;
  width: 250px;
  height: 180px;
  position: relative;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.18), transparent 34%),
    linear-gradient(160deg, #0f172a 0%, #162742 52%, #1e3a5f 100%);
  border-radius: 8px;
  overflow: hidden;
  color: #fff;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  isolation: isolate;
}

.blog-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15,23,42,0.08) 0%, rgba(15,23,42,0.78) 100%),
    repeating-linear-gradient(90deg, rgba(148,163,184,0.06) 0 1px, transparent 1px 36px),
    repeating-linear-gradient(0deg, rgba(148,163,184,0.05) 0 1px, transparent 1px 36px);
  z-index: -2;
}

.blog-thumb::after {
  content: "";
  position: absolute;
  right: -28px;
  top: 28px;
  width: 110px;
  height: 110px;
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  transform: rotate(18deg);
  z-index: -1;
}

.blog-card-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e2e8f0;
  background: rgba(15,23,42,0.52);
  border: 1px solid rgba(255,255,255,0.18);
  margin-bottom: auto;
}

.thumb-title {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
  max-width: 10em;
}

.thumb-meta {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.45;
  color: rgba(226,232,240,0.86);
  max-width: 14em;
}

.thumb-disk {
  background:
    radial-gradient(circle at 82% 26%, rgba(248,250,252,0.12), transparent 22%),
    linear-gradient(155deg, #08111f 0%, #10233c 48%, #1f4d75 100%);
}

.thumb-disk::after,
.thumb-noise::after,
.thumb-raid::after,
.thumb-water::after {
  width: 118px;
  height: 118px;
  border-radius: 50%;
}

.thumb-disk::after {
  box-shadow:
    inset 0 0 0 10px rgba(255,255,255,0.06),
    inset 0 0 0 34px rgba(255,255,255,0.08);
}

.thumb-usb {
  background:
    radial-gradient(circle at 76% 22%, rgba(56,189,248,0.22), transparent 20%),
    linear-gradient(155deg, #0b1325 0%, #10213e 46%, #0f4c81 100%);
}

.thumb-usb::after {
  width: 134px;
  height: 54px;
  top: 52px;
  right: -18px;
  border-radius: 18px;
}

.thumb-chip {
  background:
    radial-gradient(circle at 80% 18%, rgba(251,191,36,0.18), transparent 20%),
    linear-gradient(155deg, #140f23 0%, #1f1938 45%, #224b66 100%);
}

.thumb-chip::after,
.thumb-controller::after,
.thumb-ssd::after {
  width: 104px;
  height: 104px;
  border-radius: 18px;
  transform: rotate(12deg);
}

.thumb-encryption {
  background:
    radial-gradient(circle at 80% 18%, rgba(59,130,246,0.22), transparent 20%),
    linear-gradient(155deg, #0f172a 0%, #1e293b 46%, #1d4ed8 100%);
}

.thumb-encryption::after {
  width: 92px;
  height: 112px;
  top: 34px;
  border-radius: 20px;
}

.thumb-raid {
  background:
    radial-gradient(circle at 80% 18%, rgba(45,212,191,0.18), transparent 20%),
    linear-gradient(155deg, #111827 0%, #1f2937 46%, #134e4a 100%);
}

.thumb-ssd {
  background:
    radial-gradient(circle at 80% 18%, rgba(251,191,36,0.16), transparent 20%),
    linear-gradient(155deg, #111827 0%, #172554 46%, #1e40af 100%);
}

.thumb-video {
  background:
    radial-gradient(circle at 80% 18%, rgba(34,197,94,0.16), transparent 20%),
    linear-gradient(155deg, #0f172a 0%, #1f2937 46%, #14532d 100%);
}

.thumb-virus,
.thumb-ransomware {
  background:
    radial-gradient(circle at 80% 18%, rgba(248,113,113,0.2), transparent 20%),
    linear-gradient(155deg, #1f1724 0%, #3f1d2e 46%, #7f1d1d 100%);
}

.thumb-capacity {
  background:
    radial-gradient(circle at 80% 18%, rgba(125,211,252,0.18), transparent 20%),
    linear-gradient(155deg, #111827 0%, #1e293b 46%, #0369a1 100%);
}

.thumb-controller {
  background:
    radial-gradient(circle at 80% 18%, rgba(251,191,36,0.18), transparent 20%),
    linear-gradient(155deg, #111827 0%, #312e81 46%, #1d4ed8 100%);
}

.thumb-noise {
  background:
    radial-gradient(circle at 80% 18%, rgba(248,113,113,0.14), transparent 20%),
    linear-gradient(155deg, #111827 0%, #1f2937 46%, #7c2d12 100%);
}

.thumb-water {
  background:
    radial-gradient(circle at 78% 20%, rgba(125,211,252,0.22), transparent 20%),
    linear-gradient(155deg, #0f172a 0%, #0f2f4a 46%, #0369a1 100%);
}

.thumb-lab {
  background:
    radial-gradient(circle at 80% 18%, rgba(14,165,233,0.18), transparent 20%),
    linear-gradient(155deg, #111827 0%, #1e293b 46%, #155e75 100%);
}

.blog-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.blog-info h4 {
  margin: 0 0 12px 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.blog-info h4 a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

.blog-info h4 a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.blog-info p {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== Contact Page ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-form-wrap {
  padding: 40px;
  border-radius: var(--radius-lg);
  background: var(--dark-bg2);
}
.contact-form-wrap h3 {
  color: #fff;
  font-size: 22px;
  margin-bottom: 24px;
}
.contact-form-wrap input,
.contact-form-wrap textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 14px;
  transition: var(--transition);
}
.contact-form-wrap input::placeholder,
.contact-form-wrap textarea::placeholder { color: rgba(255,255,255,0.3); }
.contact-form-wrap input:focus,
.contact-form-wrap textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.contact-form-wrap textarea { min-height: 140px; resize: vertical; }
.contact-info-panel { }
.ci-block {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.ci-icon-wrap {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  background: rgba(2,104,254,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ci-icon-wrap svg {
  width: 22px;
  height: 22px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 1.5;
}
.ci-block h4 { font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.ci-block p { font-size: 14px; color: var(--text-secondary); }
.map-placeholder {
  margin-top: 24px;
  width: 100%;
  height: 280px;
  border-radius: var(--radius);
  background: var(--bg-section);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ========== About Page ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.about-text h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin: 28px 0 8px;
}
.about-text h2:first-child { margin-top: 0; }
.about-text p { color: var(--text-secondary); margin-bottom: 10px; font-size: 15px; }
.about-text ul { margin: 8px 0 16px; }
.about-text ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-secondary);
  font-size: 15px;
}
.about-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

/* ========== Service Detail ========== */
.service-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
}
.service-tabs a {
  padding: 14px 24px;
  border-radius: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  margin-bottom: -2px;
}
.service-tabs a:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.service-tabs a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}
.service-block {
  margin-bottom: 60px;
  scroll-margin-top: 100px;
  display: none;
}
.service-block.active {
  display: block;
}
.service-block h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.service-block .accent-line {
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin-bottom: 20px;
}
.service-block h4 {
  font-size: 22px;
  font-weight: 500;
  color: var(--primary);
  margin: 30px 0 20px;
  padding-bottom: 15px;
  border-bottom: 3px solid #e0e0e0;
}
.service-block h4:first-child {
  margin-top: 0;
}
.service-block h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--primary);
  margin: 30px 0 15px;
  padding-bottom: 15px;
  border-bottom: 3px solid #e0e0e0;
  display: block;
}
.service-block p {
  color: var(--text-primary);
  font-size: 18px;
  margin-bottom: 16px;
  line-height: 1.6;
}
.service-content-wrapper {
  max-width: 1440px;
  margin: 0 auto;
}
.service-alert {
  padding: 16px 20px;
  border-radius: 8px;
  margin: 16px 0;
  font-size: 16px;
}
.service-alert.warning {
  background: #fff7ed;
  border-left: 4px solid #f59e0b;
  color: #92400e;
}
.service-alert.info {
  background: #eff6ff;
  border-left: 4px solid var(--primary);
  color: var(--primary-dark);
}

/* Service Content Images */
.service-images {
  display: inline-block;
  margin: 20px 0 30px;
}
.service-images img {
  width: 435px;
  display: inline-block;
  border-radius: 0;
  vertical-align: top;
}

/* Phone Brands Section */
.phone-brands-section {
  margin-top: 50px;
  padding-top: 30px;
}
.phone-brands-section h4 {
  font-size: 22px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 3px solid #e0e0e0;
}
.phone-brands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.phone-brand-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #f8f9fb;
  border-radius: 10px;
  padding: 14px 18px;
  transition: var(--transition);
  border: 1px solid #e8ecf0;
}
.phone-brand-item:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transform: translateY(-2px);
  border-color: var(--accent);
}
.phone-img {
  flex-shrink: 0;
}
.phone-img img {
  width: 40px;
  height: 60px;
}
.brand-logo {
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  display: flex;
  align-items: center;
}
.brand-logo img {
  height: 28px;
  width: auto;
}

/* ========== Article Content (About page etc.) ========== */
.entry-content {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 5%;
}
.content-section {
  margin-bottom: 40px;
}
.content-section h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--primary);
  padding-bottom: 15px;
  border-bottom: 3px solid #e0e0e0;
  margin-bottom: 20px;
}
.content-section p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.advantages-list, .services-list {
  padding-left: 0;
  list-style: none;
}
.advantages-list li, .services-list li {
  font-size: 18px;
  line-height: 1.6;
  color: #333;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
  position: relative;
  padding-left: 24px;
}
.advantages-list li::before, .services-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ========== Contact Page ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  max-width: 1440px;
  margin: 0 auto;
}
.contact-form-card {
  background: var(--dark-bg);
  color: #fff;
  padding: 30px;
  border-radius: var(--radius);
}
.contact-form-card h3 {
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 20px;
}
.contact-form-dark .form-group {
  margin-bottom: 16px;
}
.contact-form-dark input, .contact-form-dark textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
}
.contact-form-dark input:focus, .contact-form-dark textarea:focus {
  border-color: var(--accent);
}
.contact-form-dark input::placeholder, .contact-form-dark textarea::placeholder {
  color: rgba(255,255,255,0.4);
}
.btn-send {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-send:hover { background: var(--primary-dark); }
.contact-info-column h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
}
.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}
.contact-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 2px;
}
.info-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}
.info-value {
  font-size: 16px;
  color: #333;
  font-weight: 500;
}
.social-links { margin-top: 20px; }
.social-icons-list {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f0f7ff;
  color: var(--primary);
}
.social-link:hover { background: var(--primary); color: #fff; }
.product-images-card h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 20px;
}
.product-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.collage-item {
  background: #f8faff;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}
.collage-item svg { width: 80px; height: 80px; margin-bottom: 8px; }
.collage-item span { font-size: 14px; color: var(--text-secondary); display: block; }

/* ========== Blog Page ========== */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 1440px;
  margin: 0 auto;
}
.blog-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid #e8e8e8;
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-card { cursor: pointer; }
.blog-info { padding: 24px; }
.blog-info h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.blog-info h4 a { color: inherit; text-decoration: none; }
.blog-info h4 a:hover { color: var(--primary); }
.blog-info p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}
.blog-thumb {
  width: 100%;
  height: 180px;
}

/* Newsletter Section */
.newsletter-section {
  background: var(--dark-bg);
  color: #fff;
}
.newsletter-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}
.newsletter-content { flex: 1; }
.newsletter-content h2 { font-size: 28px; font-weight: 700; margin-bottom: 10px; }
.newsletter-content > p { color: rgba(255,255,255,0.6); margin-bottom: 24px; }
.newsletter-form .form-group {
  display: flex;
  gap: 12px;
}
.newsletter-form input {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 15px;
  outline: none;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.btn-subscribe {
  padding: 14px 28px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn-subscribe:hover { background: var(--primary-dark); }
.newsletter-note { font-size: 13px; color: rgba(255,255,255,0.4); margin-top: 10px; }
.newsletter-visual { width: 200px; flex-shrink: 0; }
.newsletter-visual svg { width: 100%; }

/* ========== Reviews Page ========== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
}
.review-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow); }
.review-stars { color: #f59e0b; font-size: 16px; margin-bottom: 12px; }
.review-text { font-size: 15px; color: #555; line-height: 1.7; margin-bottom: 16px; }
.review-author { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.review-service { font-size: 13px; color: var(--text-secondary); }

/* ========== Footer ========== */
.footer {
  background: linear-gradient(90deg, #14B7F0 0%, #0268FE 100%);
  color: #fff;
  padding: 14px 5% 10px;
  text-align: center;
}
.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
}
.footer-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.footer-qr img {
  width: 64px;
  height: 64px;
  border-radius: 4px;
  border: 2px solid rgba(255,255,255,0.5);
}
.footer-qr span {
  font-size: 11px;
  color: rgba(255,255,255,0.75);
  white-space: nowrap;
}
.footer-top {
  display: none;
}
.footer-brand, .footer-col, .footer-contact-item { display: none; }
.footer-copy {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
}
.footer-bottom {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
}
.footer-bottom .footer-socials { display: flex; gap: 8px; }
.footer-bottom .footer-socials a {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.footer-bottom .footer-socials a:hover { background: rgba(255,255,255,0.3); }
.footer-bottom .footer-socials a svg {
  width: 14px; height: 14px;
  fill: #fff;
  stroke: none;
}

/* ========== Floating Contact ========== */
.float-contact {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: var(--transition);
}
.float-btn:hover { transform: scale(1.1); }
.float-btn.wechat { background: #07c160; }
.float-btn.phone-float { background: var(--primary); }
.float-btn svg { width: 24px; height: 24px; fill: #fff; stroke: none; }
.float-btn.phone-float svg { fill: none; stroke: #fff; stroke-width: 2; }
.float-btn.back-to-top {
  background: #555;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}
.float-btn.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.float-btn.back-to-top:hover { background: var(--primary); transform: scale(1.1); }
.float-btn.back-to-top svg { fill: none; stroke: #fff; stroke-width: 2.5; }

/* ========== Article Page Layout (matching original) ========== */
.article-layout {
  display: flex;
  gap: 30px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 50px 15px;
}
.article-main {
  flex: 0 0 66.6667%;
  max-width: 66.6667%;
  min-width: 0;
}
.article-hero-img {
  margin-bottom: 30px;
}
.article-hero-img img {
  width: 100%;
  max-width: 100%;
  border-radius: 15px;
  display: block;
}
.article-hero-visual {
  position: relative;
  min-height: 280px;
  border-radius: 16px;
  overflow: hidden;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.14), transparent 26%),
    linear-gradient(155deg, #0f172a 0%, #15324f 48%, #2563eb 100%);
  box-shadow: var(--shadow);
}

.article-hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15,23,42,0.1) 0%, rgba(15,23,42,0.82) 100%),
    repeating-linear-gradient(90deg, rgba(148,163,184,0.06) 0 1px, transparent 1px 42px),
    repeating-linear-gradient(0deg, rgba(148,163,184,0.05) 0 1px, transparent 1px 42px);
}

.article-hero-visual > * {
  position: relative;
  z-index: 1;
}

.article-hero-label {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(15,23,42,0.42);
  border: 1px solid rgba(255,255,255,0.16);
  color: #e2e8f0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: auto;
}

.article-hero-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.08;
  max-width: 11ch;
}

.article-hero-desc {
  max-width: 42ch;
  margin-top: 10px;
  color: rgba(226,232,240,0.88);
  font-size: 15px;
  line-height: 1.65;
}

.article-hero-water {
  background:
    radial-gradient(circle at 82% 18%, rgba(125,211,252,0.22), transparent 18%),
    linear-gradient(155deg, #082032 0%, #0f3b5c 44%, #0284c7 100%);
}

.article-hero-noise {
  background:
    radial-gradient(circle at 82% 18%, rgba(251,146,60,0.18), transparent 18%),
    linear-gradient(155deg, #111827 0%, #1f2937 44%, #7c2d12 100%);
}

.article-hero-service {
  background:
    radial-gradient(circle at 82% 18%, rgba(96,165,250,0.2), transparent 18%),
    linear-gradient(155deg, #111827 0%, #1e293b 44%, #155e75 100%);
}

.article-hero-disk {
  background:
    radial-gradient(circle at 82% 18%, rgba(96,165,250,0.18), transparent 18%),
    linear-gradient(155deg, #0f172a 0%, #1e293b 44%, #1d4ed8 100%);
}

.article-hero-usb {
  background:
    radial-gradient(circle at 82% 18%, rgba(56,189,248,0.18), transparent 18%),
    linear-gradient(155deg, #0f172a 0%, #10213e 44%, #0f4c81 100%);
}

.article-hero-chip {
  background:
    radial-gradient(circle at 82% 18%, rgba(251,191,36,0.18), transparent 18%),
    linear-gradient(155deg, #111827 0%, #312e81 44%, #0f766e 100%);
}

.article-hero-encryption {
  background:
    radial-gradient(circle at 82% 18%, rgba(59,130,246,0.2), transparent 18%),
    linear-gradient(155deg, #0f172a 0%, #1e293b 44%, #1d4ed8 100%);
}

.article-hero-raid {
  background:
    radial-gradient(circle at 82% 18%, rgba(45,212,191,0.18), transparent 18%),
    linear-gradient(155deg, #111827 0%, #1f2937 44%, #134e4a 100%);
}

.article-hero-ssd {
  background:
    radial-gradient(circle at 82% 18%, rgba(251,191,36,0.16), transparent 18%),
    linear-gradient(155deg, #111827 0%, #172554 44%, #1e40af 100%);
}

.article-hero-video {
  background:
    radial-gradient(circle at 82% 18%, rgba(34,197,94,0.16), transparent 18%),
    linear-gradient(155deg, #0f172a 0%, #1f2937 44%, #14532d 100%);
}

.article-hero-virus {
  background:
    radial-gradient(circle at 82% 18%, rgba(248,113,113,0.2), transparent 18%),
    linear-gradient(155deg, #1f1724 0%, #3f1d2e 44%, #7f1d1d 100%);
}

.article-hero-capacity {
  background:
    radial-gradient(circle at 82% 18%, rgba(125,211,252,0.18), transparent 18%),
    linear-gradient(155deg, #111827 0%, #1e293b 44%, #0369a1 100%);
}

.article-hero-controller {
  background:
    radial-gradient(circle at 82% 18%, rgba(251,191,36,0.18), transparent 18%),
    linear-gradient(155deg, #111827 0%, #312e81 44%, #1d4ed8 100%);
}

.article-hero-ransomware {
  background:
    radial-gradient(circle at 82% 18%, rgba(248,113,113,0.2), transparent 18%),
    linear-gradient(155deg, #111827 0%, #3f1d2e 44%, #7f1d1d 100%);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -8px 0 22px;
}

.article-meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1e3a8a;
  border: 1px solid #bfdbfe;
  font-size: 13px;
  font-weight: 600;
}

.article-meta-chip strong {
  color: #0f172a;
  margin-right: 6px;
}
.article-content {
  background: #fff;
  line-height: 1.6;
}
.article-content h4 {
  font-size: 22px;
  font-weight: 500;
  color: var(--primary);
  margin: 35px 0 16px;
  padding-bottom: 15px;
  border-bottom: 3px solid #e0e0e0;
}
.article-content p {
  font-size: 18px;
  color: #0f1c1d;
  margin-bottom: 15px;
  line-height: 1.6;
}
.article-content ul {
  margin: 10px 0 20px 20px;
  padding: 0;
}
.article-content ul li {
  font-size: 18px;
  line-height: 1.6;
  color: #0f1c1d;
  margin-bottom: 6px;
}
.article-content img {
  max-width: 100%;
  border-radius: 15px;
  margin: 20px 0;
}
.article-back {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid #e8ecf0;
}
.article-back a {
  color: var(--primary);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}
.article-back a:hover {
  color: var(--accent);
}

/* Sidebar - matching original w-article style */
.article-sidebar {
  flex: 0 0 33.3333%;
  max-width: 33.3333%;
  margin-top: 0;
  position: sticky;
  top: 20px;
  align-self: start;
}
.sidebar-item {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
  text-decoration: none;
  color: inherit;
  align-items: flex-start;
}
.sidebar-item:hover .sidebar-item-title {
  text-decoration: underline;
}
.sidebar-item-img {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 15px;
  overflow: hidden;
  background: #f0f4f8;
}
.sidebar-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sidebar-item-title {
  font-size: 22px;
  font-weight: 400;
  color: var(--primary);
  line-height: 1.3;
  display: flex;
  align-items: center;
  min-height: 120px;
}
@media (max-width: 900px) {
  .article-layout {
    flex-direction: column;
  }
  .article-main,
  .article-sidebar {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .article-sidebar {
    position: static;
  }
}

/* ========== Services Grid with Product Photos ========== */
.services-photo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.svc-photo-card {
  position: relative;
  border-radius: 10px;
  background: #E8E8E8;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
  padding-bottom: 10px;
}
.svc-photo-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.svc-photo-card .svc-photo {
  width: 100%;
  aspect-ratio: 1 / 0.85;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #E8E8E8;
}
.svc-photo-card .svc-photo img {
  width: 85%;
  height: 85%;
  object-fit: contain;
  transition: transform 0.4s ease;
}
.svc-photo-card:hover .svc-photo img {
  transform: scale(1.08);
}
.svc-photo-card .svc-photo-label {
  padding: 10px 8px 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  position: relative;
}
.svc-photo-card .svc-photo-label::before {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 8px;
  border-radius: 1px;
}

/* ========== Reasons for Failure Section ========== */
.reasons-section {
  padding: 80px 5%;
  background: var(--dark-bg);
}
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.reason-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 220px;
  cursor: pointer;
  transition: var(--transition);
  display: block;
  text-decoration: none;
  color: inherit;
}
.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.reason-card .reason-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.reason-card:hover .reason-bg {
  transform: scale(1.08);
}
.reason-card .reason-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.7) 100%);
  transition: var(--transition);
}
.reason-card:hover .reason-overlay {
  background: linear-gradient(180deg, rgba(2,104,254,0.3) 0%, rgba(0,0,0,0.8) 100%);
}
.reason-card .reason-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px 16px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.reason-card .reason-icon {
  width: 40px;
  height: 40px;
}
.reason-card .reason-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.reason-card .reason-icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}
.reason-card .reason-title {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

/* ========== How We Work with Background Photo ========== */
.workflow-section {
  position: relative;
  padding: 80px 5%;
  overflow: hidden;
}
.workflow-section .workflow-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/slider-1.jpg');
  background-size: cover;
  background-position: center;
  filter: blur(4px);
  transform: scale(1.05);
}
.workflow-section .workflow-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
}
.workflow-section .section-header,
.workflow-section .workflow-steps {
  position: relative;
  z-index: 2;
}
.workflow-section .section-header h2 { color: #fff; }
.workflow-section .section-header p { color: rgba(255,255,255,0.6); }
.workflow-section .section-header .tag {
  color: var(--accent);
  background: rgba(39,199,255,0.12);
}
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.workflow-steps::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: rgba(255,255,255,0.15);
  z-index: 0;
}
.ws-step {
  text-align: center;
  position: relative;
  padding: 0 12px;
}
.ws-step .ws-icon-wrap {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  transition: var(--transition);
}
.ws-step:hover .ws-icon-wrap {
  border-color: var(--accent);
  background: rgba(39,199,255,0.1);
  transform: scale(1.08);
}
.ws-step .ws-icon-wrap img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.ws-step .ws-icon-wrap svg {
  width: 36px;
  height: 36px;
  stroke: #fff;
  fill: none;
  stroke-width: 1.5;
}
.ws-step .ws-arrow {
  position: absolute;
  top: 38px;
  right: -10px;
  color: rgba(255,255,255,0.3);
  font-size: 20px;
  z-index: 3;
}
.ws-step h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}
.ws-step p {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}

/* ========== Responsive ========== */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .services-photo-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .workflow-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .workflow-grid::before { display: none; }
  .workflow-steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .workflow-steps::before { display: none; }
  .ws-step .ws-arrow { display: none; }
  .reasons-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .blog-card { gap: 15px; padding: 15px; }
  .blog-thumb { width: 200px; height: 150px; }
}
@media (max-width: 768px) {
  .header { flex-direction: column; gap: 12px; text-align: center; padding-top: 50px; }
  .service-icons { display: none; }
  .top-nav { position: relative; flex-wrap: wrap; height: auto; border-radius: 0; justify-content: center; }
  .top-nav a { padding: 8px 16px; font-size: 13px; line-height: 1.5; }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); margin: -30px 3% 0; }
  .intro-grid,
  .lab-section,
  .request-inner,
  .contact-grid,
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-photo-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .reasons-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card { flex-direction: column; }
  .blog-thumb { width: 100%; height: 200px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .lab-features { grid-template-columns: 1fr; }
  .section { padding: 50px 4%; }
}

/* 咨询与服务入口：2026-09-29 */
form[data-lead-source] label { display:block; margin-bottom:6px; font-size:14px; font-weight:600; color:#fff; }
form[data-lead-source] .lead-note { color:#e2e8f0; font-size:13px; line-height:1.75; }
.lead-status:empty { display:none; }
.lead-status { padding:14px 16px; background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.25); border-radius:8px; font-size:14px; color:#fff; overflow-wrap:anywhere; }
.lead-status[data-state="sent"] { border-color:#80caa4; }
.lead-email-link { display:block; width:fit-content; margin-top:12px; padding:10px 14px; background:#fff; color:#084cb0; border-radius:6px; text-decoration:underline; font-weight:600; }
form[data-lead-source] button:disabled { opacity:.65; cursor:wait; }
.additional-service { padding:24px; border-top:2px solid var(--primary); background:#f6f8fb; scroll-margin-top:28px; }
.additional-service h3 { font-size:19px; margin-bottom:10px; }
.additional-service p { color:#526174; font-size:15px; margin-bottom:16px; }
.additional-service a { color:#0755bd; font-weight:600; }
.top-nav summary { color:#fff; padding:0 30px; margin:0 10px; height:41px; line-height:41px; cursor:pointer; list-style:none; border-radius:25px; }
.top-nav summary::-webkit-details-marker { display:none; }
.top-nav summary::after { content:' ▾'; font-size:12px; }
.top-nav summary:hover, .top-nav details[open] summary { background:#0878be; }
.top-nav .nav-dropdown .nav-dropdown-menu { display:none; }
.top-nav .nav-dropdown[open] .nav-dropdown-menu { display:block; max-height:65vh; overflow:auto; }
.top-nav summary:focus-visible, .lead-email-link:focus-visible, .additional-service a:focus-visible { outline:3px solid #f0b34a; outline-offset:3px; }
@media(max-width:768px) {
  .top-nav summary { padding:8px 16px; line-height:1.5; font-size:13px; }
  .top-nav .nav-dropdown-menu { width:min(290px,80vw); left:50%; transform:translateX(-50%); }
  .header { padding-top:24px; }
}