/* ============================================================
   鎴愰兘寤哄厓閫氫俊 路 瀹樼綉 v4 璁捐绯荤粺
   涓婚锛氫俊鍙疯繛鎺?路 鏁板瓧妗ユ
   璁捐锛氭繁绌鸿摑 x 鐢典俊钃?x 淇″彿绾?   ============================================================ */


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 璁捐浠ょ墝 ---------- */
:root {
  /* 鍝佺墝鑹?*/
  --brand-blue: #0066FF;
  --brand-blue-dark: #0047B3;
  --brand-blue-light: #4D8DFF;
  --brand-blue-soft: #E8F1FF;
  --brand-red: #D40000;
  --brand-red-dark: #A30000;
  --brand-red-light: #FF4D4D;

  /* 娣辩┖钃濇笎鍙樹綋绯?*/
  --navy-900: #061B33;
  --navy-800: #0A2540;
  --navy-700: #0D2E50;
  --navy-600: #123A66;
  --navy-glow: rgba(0, 102, 255, 0.18);

  /* 涓€ц壊 */
  --text-primary: #0F1F38;
  --text-secondary: #4A5A72;
  --text-muted: #8A96A8;
  --bg-white: #FFFFFF;
  --bg-gray: #F4F7FB;
  --bg-gray-warm: #F8FAFD;
  --border-color: #E3EAF2;
  --border-light: #EDF2F8;

  /* 闃村奖 */
  --shadow-xs: 0 1px 2px rgba(6, 27, 51, 0.04);
  --shadow-sm: 0 2px 8px rgba(6, 27, 51, 0.06);
  --shadow-md: 0 6px 20px rgba(6, 27, 51, 0.08);
  --shadow-lg: 0 14px 44px rgba(6, 27, 51, 0.1);
  --shadow-xl: 0 24px 64px rgba(6, 27, 51, 0.14);
  --shadow-blue: 0 8px 28px rgba(0, 102, 255, 0.16);
  --shadow-blue-hover: 0 18px 48px rgba(0, 102, 255, 0.24);

  /* 鍏煎鍙橀噺 */
  --light-blue-bg: #E8F1FF;

  /* 鍦嗚 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* 杩囨浮 */
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 鍩虹 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: min(1200px, 92%); margin: 0 auto; }


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 閫氱敤鏍囬 ---------- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), transparent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.section-title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--brand-blue), var(--brand-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-header .section-label { justify-content: center; }
.section-header .section-label::before { width: 18px; }
.section-header .section-label::after {
  content: '';
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-blue));
  border-radius: 2px;
}


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 鍖哄潡 ---------- */
.section { padding: 100px 0; }
.section-light { background: var(--bg-white); }
.section-gray { background: var(--bg-gray); }
.section-blue {
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-600) 100%);
  color: var(--bg-white);
}
.section-blue .section-title { color: var(--bg-white); }
.section-blue .section-desc { color: rgba(255, 255, 255, 0.75); }


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 婊氬姩娓愭樉 ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s var(--ease-spring);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in.d1 { transition-delay: 0.08s; }
.fade-in.d2 { transition-delay: 0.16s; }
.fade-in.d3 { transition-delay: 0.24s; }
.fade-in.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
}


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 鎸夐挳 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transition: left 0.55s ease;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue-hover);
}
.btn-primary:hover::before { left: 100%; }

.btn-outline {
  background: transparent;
  color: var(--brand-blue);
  border: 1.5px solid rgba(0, 102, 255, 0.35);
}
.btn-outline:hover {
  background: var(--brand-blue-soft);
  border-color: var(--brand-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
}

.section-blue .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.section-blue .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

/* ========================================
   瀵艰埅鏍?   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.header.scrolled {
  box-shadow: 0 4px 30px rgba(6, 27, 51, 0.1);
  background: rgba(255, 255, 255, 0.88);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; }
.logo img { height: 40px; width: auto; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 8px 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-blue-light));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}
.nav a:hover { color: var(--brand-blue); background: var(--brand-blue-soft); }
.nav a:hover::after { transform: scaleX(1); }
.nav a.active {
  color: var(--brand-blue);
  font-weight: 600;
  background: var(--brand-blue-soft);
}
.nav a.active::after { transform: scaleX(1); }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  cursor: pointer;
  z-index: 110;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 椤靛ご锛堝唴椤碉級 ---------- */
.page-hero {
  position: relative;
  padding: 90px 0 70px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 60%, var(--navy-600) 100%);
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 30% 40%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 40%, black 20%, transparent 80%);
}
.page-hero::after {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.3) 0%, transparent 65%);
  pointer-events: none;
  animation: float-orb 8s ease-in-out infinite;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.page-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(24px, -18px); }
}


/* 鍏ㄥ眬婊氬姩鍋忕Щ锛堥伩鍏嶅娓稿鑸薄閬绔犳爣绛捐姹囧尯鍩� */
html {
  scroll-padding-top: 88px;
  scroll-behavior: smooth;
}

/* ---------- 闈㈠寘灞?---------- */
.breadcrumb {
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
  font-size: 13.5px;
  color: var(--text-muted);
}
.breadcrumb-inner { display: flex; align-items: center; gap: 8px; }
.breadcrumb a { color: var(--text-secondary); transition: var(--transition-fast); }
.breadcrumb a:hover { color: var(--brand-blue); }
.breadcrumb .sep { color: var(--text-muted); }
.breadcrumb .current { color: var(--brand-blue); font-weight: 500; }

/* ========================================
   棣栭〉 Hero
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 45%, var(--navy-700) 100%);
  color: #fff;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 25%, transparent 80%);
}
.hero-bg::before,
.hero-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-bg::before {
  width: 560px;
  height: 560px;
  top: -160px;
  right: -120px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.32) 0%, transparent 65%);
  animation: float-orb 9s ease-in-out infinite;
}
.hero-bg::after {
  width: 420px;
  height: 420px;
  bottom: -140px;
  left: -100px;
  background: radial-gradient(circle, rgba(77, 141, 255, 0.18) 0%, transparent 65%);
  animation: float-orb 11s ease-in-out infinite reverse;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 60px 0;
}
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 12.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ADE80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.8);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-title {
  font-size: clamp(36px, 6vw, 58px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero-title .highlight {
  background: linear-gradient(120deg, #5B9BFF 0%, #9DC4FF 50%, #5B9BFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
.hero-title .highlight::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 10px;
  background: linear-gradient(90deg, rgba(0, 102, 255, 0.35), transparent);
  border-radius: 10px;
  z-index: -1;
  filter: blur(2px);
}

.hero-desc {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.78);
  max-width: 580px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
.hero .btn-primary { background: linear-gradient(135deg, #1B7BFF, var(--brand-blue-dark)); }
.hero .btn-outline { color: #fff; border-color: rgba(255, 255, 255, 0.35); }

/* Hero 幽灵按钮（公众号入口） */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: clamp(24px, 5vw, 60px);
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.55));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label { font-size: 13px; color: rgba(255, 255, 255, 0.6); }

.hero-visual {
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  opacity: 0.35;
  pointer-events: none;
}
.hero-visual img { width: min(420px, 40vw); filter: drop-shadow(0 0 40px rgba(0, 102, 255, 0.25)); }

/* ========================================
   涓氬姟鏉垮潡鍗＄墖
   ======================================== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 26px;
}
.business-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 38px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.business-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-blue-light), var(--brand-blue));
  transform: scaleX(0);
  transition: transform 0.4s ease;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.business-card::after {
  content: '';
  position: absolute;
  bottom: -70px;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.07) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.business-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0, 102, 255, 0.1);
  border-color: rgba(0, 102, 255, 0.2);
}
.business-card:hover::before { transform: scaleX(1); }
.business-card:hover::after { opacity: 1; }

.business-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--brand-blue-soft) 0%, #D6E8FF 100%);
  color: var(--brand-blue);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}
.business-card:hover .business-icon {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: #fff;
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 10px 24px rgba(0, 102, 255, 0.32);
}
.business-icon svg { width: 32px; height: 32px; }

.business-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.business-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  position: relative;
  z-index: 1;
}

/* ============================================================
   鏁版嵁灞曠ず - 娣辫壊绉戞妧
   ============================================================ */
.data-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 50%, var(--navy-600) 100%);
  color: var(--bg-white);
  position: relative;
  overflow: hidden;
}
.data-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.data-section::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 102, 255, 0.22) 0%, transparent 65%);
  pointer-events: none;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  position: relative;
  z-index: 1;
}
.data-item {
  text-align: center;
  padding: 20px 10px;
  position: relative;
}
.data-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.14), transparent);
}
.data-num {
  font-size: clamp(40px, 6vw, 56px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.55) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.data-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   鍏充簬鎴戜滑
   ============================================================ */
.about-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.about-text h3 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.about-text h3 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--brand-blue), var(--brand-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-text p {
  font-size: 15.5px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-features { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.feature-tag {
  padding: 8px 16px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.feature-tag:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  background: var(--brand-blue-soft);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}
.about-image { position: relative; }
.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}
.about-image::before {
  content: '';
  position: absolute;
  inset: -14px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.12), transparent 60%);
  z-index: -1;
}

/* ============================================================
   浼佷笟鏂囧寲
   ============================================================ */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.culture-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.culture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-blue-light), var(--brand-blue));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.culture-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 102, 255, 0.2);
}
.culture-card:hover::before { transform: scaleX(1); }
.culture-num {
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(180deg, var(--brand-blue) 0%, var(--brand-blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  opacity: 0.85;
}
.culture-text h4 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}
.culture-text p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================================
   鍙戝睍鍘嗙▼ - 鏃堕棿绾?   ============================================================ */
.timeline {
  position: relative;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, var(--brand-blue) 12%, rgba(0, 102, 255, 0.25) 88%, transparent);
}
.timeline-item {
  position: relative;
  width: 50%;
  padding: 24px 48px 24px 0;
}
.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 24px 0 24px 48px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  top: 36px;
  right: -7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand-blue);
  box-shadow: 0 0 0 4px var(--brand-blue-soft), 0 0 16px rgba(0, 102, 255, 0.4);
  z-index: 1;
}
.timeline-item:nth-child(even)::before {
  left: -5px;
  right: auto;
}
.timeline-year {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(120deg, var(--brand-blue), var(--brand-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.timeline-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================================
   浼佷笟鑽ｈ獕
   ============================================================ */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.honor-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 26px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.honor-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--brand-blue), var(--brand-blue-light));
  transform: scaleY(0);
  transition: transform 0.35s ease;
  border-radius: 0 3px 3px 0;
}
.honor-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(0, 102, 255, 0.2);
}
.honor-card:hover::before { transform: scaleY(1); }
.honor-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-blue-soft) 0%, #D6E8FF 100%);
  color: var(--brand-blue);
  transition: var(--transition);
}
.honor-card:hover .honor-icon {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: #fff;
  transform: scale(1.05);
}
.honor-icon svg { width: 24px; height: 24px; }
.honor-content h4 {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 6px;
}
.honor-content span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================================
   浼佷笟妗堜緥
   ============================================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.case-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
}
.case-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 102, 255, 0.2);
}
.case-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.case-card:hover .case-image img { transform: scale(1.06); }
.case-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 27, 51, 0.45));
  opacity: 0;
  transition: opacity 0.4s ease;
}
.case-card:hover .case-image::after { opacity: 1; }
.case-body { padding: 26px 28px; }
.case-tag {
  display: inline-block;
  padding: 5px 14px;
  background: var(--brand-blue-soft);
  color: var(--brand-blue);
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 14px;
}
.case-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  transition: var(--transition);
  color: var(--text-primary);
}
.case-card:hover .case-body h3 { color: var(--brand-blue); }
.case-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================================
   鑱旂郴鎴戜滑
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 28px;
}
.contact-list { display: flex; flex-direction: column; gap: 6px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.contact-item:hover {
  background: var(--bg-gray);
  transform: translateX(6px);
}
.contact-item .icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-blue-soft) 0%, #D6E8FF 100%);
  color: var(--brand-blue);
  transition: var(--transition);
}
.contact-item:hover .icon {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: #fff;
  transform: scale(1.05);
}
.contact-item .icon svg { width: 24px; height: 24px; }
.contact-item h4 { font-size: 14px; color: var(--text-muted); font-weight: 500; margin-bottom: 2px; }
.contact-item p { font-size: 16px; font-weight: 600; color: var(--text-primary); }

.contact-form {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-blue-light), var(--brand-blue));
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-gray-warm);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--brand-blue);
  background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* ============================================================
   璧勮川璁よ瘉
   ============================================================ */
.qual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
}
.qual-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.qual-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-blue-light), var(--brand-blue));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}
.qual-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 102, 255, 0.2);
}
.qual-card:hover::before { transform: scaleX(1); }
.qual-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--brand-blue-soft) 0%, #D6E8FF 100%);
  color: var(--brand-blue);
  transition: var(--transition);
}
.qual-card:hover .qual-icon {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: #fff;
  transform: scale(1.08) rotate(-4deg);
}
.qual-icon svg { width: 30px; height: 30px; }
.qual-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.qual-card p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   椤佃剼
   ============================================================ */
.footer {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 60%, var(--navy-700) 100%);
  color: rgba(255, 255, 255, 0.75);
  padding: 70px 0 30px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}
.footer::after {
  content: '';
  position: absolute;
  top: -160px;
  left: 30%;
  width: 500px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0, 102, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.footer .container { position: relative; z-index: 1; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo img { height: 38px; margin-bottom: 18px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), transparent);
  border-radius: 2px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li { font-size: 14px; }
.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-col ul li { color: rgba(255, 255, 255, 0.65); line-height: 1.8; }
.footer-social { margin-top: 16px; }
.social-boss {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}
.social-boss svg { width: 16px; height: 16px; }
.social-boss:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  transform: translateY(-2px);
}
.footer-bottom {
  padding-top: 26px;
  text-align: center;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); transition: var(--transition); }
.footer-bottom a:hover { color: #fff; }

/* 椤佃剼鍏紬鍙蜂簩缁寸爜 */
.footer-wechat { margin-top: 18px; }
.footer-wechat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
}
.footer-wechat-qr {
  width: 110px;
  height: 110px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fff;
  padding: 6px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.footer-wechat-qr img { width: 100%; height: 100%; object-fit: contain; }
.footer-wechat-qr:hover { transform: scale(1.05); box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3); }

/* ============================================================
   鍥炲埌椤堕儴
   ============================================================ */
.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 99;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-3px); box-shadow: var(--shadow-blue-hover); }
.back-to-top svg { width: 20px; height: 20px; }

/* ============================================================
   404 椤甸潰
   ============================================================ */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  background: var(--bg-gray);
}
.error-content { text-align: center; max-width: 520px; }
.error-404-svg {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  color: var(--brand-blue);
}
.error-code {
  font-size: clamp(72px, 10vw, 120px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -4px;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-light) 60%, var(--brand-red-light) 120%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}
.error-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 14px;
}
.error-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}
.error-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   鍝嶅簲寮?   ============================================================ */
@media (max-width: 992px) {
  .about-intro { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero-visual { opacity: 0.18; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .header-inner { height: 60px; }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 78vw);
    height: 100vh;
    background: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 28px 40px;
    gap: 4px;
    box-shadow: -12px 0 40px rgba(6, 27, 51, 0.12);
    transition: right 0.4s var(--ease-spring);
    z-index: 105;
  }
  .nav.open { right: 0; }
  .nav a { width: 100%; padding: 12px 16px; font-size: 16px; }
  .nav a::after { display: none; }
  .mobile-toggle { display: flex; }

  .hero { min-height: auto; padding: 70px 0 50px; }
  .hero-content { padding: 20px 0; }
  .hero-stats { flex-wrap: wrap; gap: 20px; padding-top: 28px; }
  .hero-actions { margin-bottom: 36px; }
  .hero-visual { display: none; }

  .data-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .data-item:not(:last-child)::after { display: none; }

  .timeline::before { left: 16px; }
  .timeline-item, .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 16px 0 16px 48px;
  }
  .timeline-item::before, .timeline-item:nth-child(even)::before {
    left: 11px;
    right: auto;
  }

  .case-grid { grid-template-columns: 1fr; }
  .business-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand p { max-width: 100%; }
  .back-to-top { right: 18px; bottom: 18px; width: 40px; height: 40px; }
  .contact-form { padding: 28px 22px; }
}
/* ==================== 鍏紬鍙蜂簩缁寸爜寮圭獥 ==================== */
.wechat-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 12, 30, 0.78);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.wechat-modal.show {
  opacity: 1;
  visibility: visible;
}
.wechat-modal-box {
  position: relative;
  width: 300px;
  max-width: 86vw;
  padding: 28px 24px 24px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  text-align: center;
  transform: translateY(16px) scale(0.96);
  transition: transform 0.3s ease;
}
.wechat-modal.show .wechat-modal-box {
  transform: translateY(0) scale(1);
}
.wechat-modal-box img {
  display: block;
  width: 200px;
  height: 200px;
  margin: 10px auto 14px;
  border-radius: 12px;
  object-fit: contain;
}
.wechat-modal-tip {
  display: block;
  font-size: 14px;
  color: #33415c;
  letter-spacing: 1px;
}
.wechat-modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(0, 102, 255, 0.08);
  border-radius: 50%;
  font-size: 20px;
  line-height: 1;
  color: #0066ff;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.wechat-modal-close:hover {
  background: rgba(0, 102, 255, 0.18);
  transform: rotate(90deg);
}

/* ==================== Toast 鎻愮ず ==================== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 48px;
  z-index: 10001;
  max-width: 80vw;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transform: translate(-50%, 12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
.toast-success { background: linear-gradient(135deg, #00b578, #00d68f); }
.toast-error { background: linear-gradient(135deg, #d40000, #ff4d4f); }
.toast-info { background: linear-gradient(135deg, #0066ff, #4d94ff); }