/* ═══ css/base/reset.css ═══ */
/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-primary);
  line-height: var(--leading-normal);
  color: var(--neutral-gray-800);
  background-color: var(--neutral-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button, input, textarea, select {
  font: inherit;
}

/* ═══ css/base/variables.css ═══ */
:root {
  /* === 主色系 - 亮蓝科技 === */
  --primary-blue: #0095FF;            /* 主蓝色 - 更亮 */
  --primary-blue-light: #00B4FF;      /* 浅蓝色 - 更亮 */
  --primary-blue-bright: #00D4FF;     /* 亮蓝色 - 科技感 */
  --primary-blue-accent: #0693e3;     /* 强调蓝色 */
  --primary-blue-dark: #0066CC;       /* 深蓝色 - 更亮 */
  --primary-blue-alpha: rgba(0, 149, 255, 0.1);

  /* === 辅色系 - 亮蓝变体 === */
  --secondary-blue-dark: #0066CC;     /* 深蓝色 */
  --secondary-blue: #0095FF;          /* 中蓝色 */
  --secondary-blue-light: #00B4FF;    /* 浅蓝色 */
  --secondary-blue-alpha: rgba(0, 149, 255, 0.1);

  /* === 现代渐变色 - 科技感 === */
  --gradient-primary: linear-gradient(70deg, #0095FF 0%, #00D4FF 100%);
  --gradient-secondary: linear-gradient(135deg, #0066CC 0%, #0095FF 100%);
  --gradient-tech: linear-gradient(135deg, #0066CC 0%, #0095FF 50%, #00D4FF 100%);
  --gradient-glass: linear-gradient(135deg, rgba(0, 149, 255, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);

  /* === 中性色系 === */
  --neutral-white: #ffffff;
  --neutral-gray-50: #f8fafc;
  --neutral-gray-100: #f1f5f9;
  --neutral-gray-200: #e2e8f0;
  --neutral-gray-300: #cbd5e1;
  --neutral-gray-400: #94a3b8;
  --neutral-gray-500: #64748b;
  --neutral-gray-600: #475569;
  --neutral-gray-700: #334155;
  --neutral-gray-800: #1e293b;
  --neutral-gray-900: #0f172a;

  /* === 功能色系 === */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #3b82f6;

  /* === 毛玻璃效果 === */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --glass-backdrop: blur(10px);

  /* === 字体系统 === */
  --font-family-primary: 'Inter', 'SF Pro Display', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Monaco', monospace;
  --font-family-chinese: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;

  /* === 字体大小 === */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */

  /* === 字重 === */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* === 行高 === */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* === 间距系统 === */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* === 圆角 === */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* === 阴影 === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] {
  --glass-bg: rgba(15, 23, 42, 0.3);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ═══ css/base/typography.css ═══ */
body {
  font-family: var(--font-family-primary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-chinese);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--neutral-gray-900);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

.font-mono { font-family: var(--font-family-mono); }

/* ═══ css/layout/containers.css ═══ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-4);
}

.container-sm { max-width: 640px; margin: 0 auto; padding: 0 var(--space-4); }
.container-md { max-width: 768px; margin: 0 auto; padding: 0 var(--space-4); }
.container-lg { max-width: 1024px; margin: 0 auto; padding: 0 var(--space-4); }
.container-xl { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-4); }

/* Responsive Padding */
@media (max-width: 767px) {
  .container { padding: 0 var(--space-3); }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .container { padding: 0 var(--space-5); }
}

@media (min-width: 1024px) {
  .container { padding: 0 var(--space-6); }
}

@media (min-width: 1280px) {
  .container { max-width: 1280px; }
}

/* ═══ css/layout/grid.css ═══ */
/* === Grid System === */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

/* === Flexbox === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }

/* === Responsive Grid === */
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

/* ═══ css/components/buttons.css ═══ */
/* === 基础按钮 === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  text-decoration: none;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

/* 内层上移：外层 .btn 保持原有几何命中区，避免下沿悬停抖动 */
.btn .btn-shift {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-width: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

.btn:hover:before {
  left: 100%;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50px;
  padding: 2px;
  background: linear-gradient(135deg, rgba(255,255,255,0.4), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn:hover::after {
  opacity: 1;
}

/* === 主要按钮 === */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--neutral-white);
  box-shadow: 0 10px 30px rgba(0, 149, 255, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.6);
  background: linear-gradient(70deg, #00D4FF 0%, #0095FF 100%);
}

.btn-primary:hover > .btn-shift {
  transform: translateY(-3px);
}

.btn-primary:active > .btn-shift {
  transform: translateY(-1px);
}

.btn-primary:active {
  box-shadow: 0 5px 20px rgba(0, 149, 255, 0.4);
}

/* === 毛玻璃按钮 === */
.btn-glass {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: var(--neutral-white);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 12px 40px rgba(255, 255, 255, 0.2);
}

.btn-glass:hover > .btn-shift {
  transform: translateY(-3px);
}

.btn-glass:active > .btn-shift {
  transform: translateY(-1px);
}

/* === 次要按钮 === */
.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--neutral-white);
  box-shadow: 0 8px 25px rgba(0, 149, 255, 0.3);
}

.btn-secondary:hover {
  box-shadow: 0 12px 35px rgba(0, 212, 255, 0.45);
}

.btn-secondary:hover > .btn-shift {
  transform: translateY(-2px);
}

/* === 按钮尺寸 === */
.btn-sm { 
  padding: var(--space-2) var(--space-4); 
  font-size: var(--text-sm);
  border-radius: 40px;
}

.btn-lg { 
  padding: var(--space-4) var(--space-8); 
  font-size: var(--text-lg);
  border-radius: 60px;
}

.btn-xl { 
  padding: 18px 48px; 
  font-size: 1.125rem;
  border-radius: 60px;
  font-weight: 600;
}

/* ═══ css/components/cards.css ═══ */
/* === 基础卡片 === */
.card {
  background: var(--neutral-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-xl);
}

/* === 毛玻璃卡片 === */
.card-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* === 卡片内容 === */
.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--neutral-gray-200);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--neutral-gray-200);
  background: var(--neutral-gray-50);
}

/* ═══ css/utilities/text.css ═══ */
/* === Text Utilities === */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-primary { color: var(--primary-blue); }
.text-secondary { color: var(--secondary-blue); }
.text-gray-500 { color: var(--neutral-gray-500); }
.text-gray-800 { color: var(--neutral-gray-800); }
.text-white { color: var(--neutral-white); }

/* === Spacing Utilities === */
.m-0 { margin: 0; }
.m-4 { margin: var(--space-4); }
.my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }
.my-12 { margin-top: var(--space-12); margin-bottom: var(--space-12); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-12 { margin-top: var(--space-12); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }

.ml-4 { margin-left: var(--space-4); }

/* ═══ css/main.css ═══ */
/* Main CSS Entry Point */
/* This file is a placeholder/aggregator if needed, 
   but currently HTML imports files individually for clarity */

/* Additional Global Styles */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

footer {
  margin-top: auto;
}

/* Background pattern for "Tech" feel */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 15% 50%, rgba(58, 76, 180, 0.05), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(78, 160, 226, 0.05), transparent 25%);
  z-index: -1;
  pointer-events: none;
}

/* ═══ css/home.css ═══ */
/* Home Page Specific Styles */

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, #001428 0%, #002952 25%, #003d7a 50%, #0055a8 75%, #003d7a 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-white);
}

/* 柔和的科技感背景 */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(0, 149, 255, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 40% 40%, rgba(0, 180, 255, 0.08) 0%, transparent 50%);
    z-index: 1;
}

/* 光晕层 - 静态 */
.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 50% at 50% 120%, rgba(0, 149, 255, 0.4) 0%, transparent 60%),
        radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(0, 149, 255, 0.1) 0%, transparent 40%);
    z-index: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    opacity: 0.6;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.5) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(0, 149, 255, 0.4) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(0, 180, 255, 0.3) 0%, transparent 40%);
}

/* 浮动光点效果 */
.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.9) 0%, rgba(0, 212, 255, 0) 70%);
    border-radius: 50%;
    animation: float-glow 8s ease-in-out infinite;
}

/* 光点发光效果 */
.particle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes float-glow {

    0%,
    100% {
        transform: translateY(0) translateX(0);
        opacity: 0.4;
    }

    50% {
        transform: translateY(-20px) translateX(10px);
        opacity: 0.8;
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.8;
    }
}

/* Hero Slider */
.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 1s ease, transform 1s ease;
    pointer-events: none;
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1000px;
    padding: 0 30px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #b3ecff 25%, #00D4FF 50%, #b3ecff 75%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out, shimmer 10s linear infinite;
    background-size: 200% auto;
    position: relative;
    letter-spacing: -1px;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.4));
}

.hero-title::before {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 212, 255, 0.1) 50%, transparent 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: -1;
    filter: blur(10px);
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }

    100% {
        background-position: 200% center;
    }
}

.hero-subtitle {
    font-size: 1.75rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.2s backwards;
    font-weight: 300;
    letter-spacing: 1px;
    position: relative;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.8), transparent);
    border-radius: 2px;
}

.hero-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: 55px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 14px;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    position: relative;
}

.slider-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.45);
}

.slider-dot:hover::after {
    opacity: 1;
}

.slider-dot.active {
    background: linear-gradient(135deg, #00D4FF, #0095FF);
    width: 36px;
    border-radius: 5px;
    box-shadow:
        0 0 15px rgba(0, 212, 255, 0.7),
        0 0 30px rgba(0, 212, 255, 0.4);
}

/* Slider Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(0, 20, 40, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.3);
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    color: white;
}

.slider-arrow::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 149, 255, 0.15));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    filter: blur(8px);
}

.slider-arrow:hover {
    background: rgba(0, 149, 255, 0.25);
    border-color: rgba(0, 212, 255, 0.6);
    transform: translateY(-50%);
    box-shadow:
        0 0 25px rgba(0, 212, 255, 0.5),
        inset 0 0 15px rgba(0, 212, 255, 0.1);
}

.slider-arrow:hover::before {
    opacity: 1;
}

.slider-prev {
    left: 35px;
}

.slider-next {
    right: 35px;
}

/* Product Introduction */
.product-intro {
    padding: 100px 0 90px;
    background: linear-gradient(180deg, #ffffff 0%, #f8faff 50%, #f5f9ff 100%);
    position: relative;
    overflow: hidden;
}

/* 顶部光线 */
.product-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 10%, rgba(0, 149, 255, 0.4) 50%, transparent 90%);
}

/* 背景装饰 */
.product-intro::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 40% 30% at 5% 20%, rgba(0, 149, 255, 0.03) 0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 95% 80%, rgba(0, 212, 255, 0.03) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 100%, rgba(0, 180, 255, 0.02) 0%, transparent 60%);
    pointer-events: none;
}

.intro-container {
    background: white;
    border-radius: 30px;
    padding: 60px 50px;
    box-shadow: 0 20px 60px rgba(0, 60, 120, 0.05);
    margin-bottom: 60px;
    border: 1px solid rgba(0, 149, 255, 0.08);
    position: relative;
    overflow: hidden;
}

/* 装饰背景 */
.intro-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(135deg, rgba(240, 247, 255, 0.5) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 0;
    clip-path: polygon(20% 0%, 100% 0, 100% 100%, 0% 100%);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title .text-primary {
    color: var(--primary-blue);
    font-size: 0.8125rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-weight: 600;
    display: block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(0, 149, 255, 0.08) 0%, rgba(0, 212, 255, 0.05) 100%);
    border-radius: 30px;
    border: 1px solid rgba(0, 149, 255, 0.15);
    margin-bottom: 18px;
    order: 1;
}

.section-title h2 {
    font-size: 2.75rem;
    color: var(--primary-blue-dark);
    margin-bottom: 1.5rem;
    font-weight: 800;
    position: relative;
    display: block;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #003366 0%, #0066CC 50%, #0095FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    order: 2;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0095FF, #00D4FF);
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 149, 255, 0.4);
}

.section-title>p:not(.text-primary) {
    color: var(--neutral-gray-600);
    font-size: 1.0625rem;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.75;
    margin-top: 10px;
    order: 3;
}

/* New Intro Layout Styles */
.intro-header-adjustment {
    margin-bottom: 3rem !important;
}

.intro-split-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.intro-text-column .intro-lead {
    font-size: 1.375rem;
    color: var(--neutral-gray-800);
    line-height: 1.6;
    margin-bottom: 24px;
    font-weight: 600;
}

.intro-text-column .intro-lead strong {
    color: var(--primary-blue);
    font-weight: 700;
    position: relative;
    display: inline-block;
    padding: 0 4px;
}

.intro-text-column .intro-lead strong::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(0, 212, 255, 0.15);
    z-index: -1;
    border-radius: 4px;
}

.intro-text-column .intro-desc {
    font-size: 1.0625rem;
    color: var(--neutral-gray-600);
    line-height: 1.8;
    text-align: justify;
}

.intro-stats-column {
    /* 深色科技风背景 - 与下方功能卡片形成强差异 */
    background: linear-gradient(135deg, #0066CC 0%, #0066CC 100%);
    padding: 40px 45px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 102, 204, 0.25);
    border: none;
    position: relative;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
    margin-right: -20px;
    /* 视觉上的轻微突出 */
}

.intro-stats-column:hover {
    box-shadow: 0 28px 58px rgba(0, 102, 204, 0.32);
}

/* 移除原先的顶部光条，改为背景纹理装饰 */
.intro-stats-column::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

/* 装饰性圆环背景 */
.intro-stats-column::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border: 20px solid rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    pointer-events: none;
}

.intro-stats-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    position: relative;
    z-index: 2;
    padding-bottom: 25px;
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.intro-stat-box {
    text-align: left;
    position: relative;
}

.intro-stat-box .stat-val {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.intro-stat-box .stat-label {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.intro-quote {
    text-align: left;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    position: relative;
    z-index: 2;
}

@media (max-width: 992px) {
    .intro-container {
        padding: 40px 30px;
    }

    .intro-split-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .intro-text-column .intro-lead {
        font-size: 1.1875rem;
        line-height: 1.7;
        margin-bottom: 18px;
    }

    .intro-text-column .intro-desc {
        font-size: 0.9375rem;
        line-height: 1.85;
    }

    .intro-stats-column {
        margin-right: 0;
        padding: 30px;
    }

    .intro-stats-row {
        justify-content: space-around;
        text-align: center;
    }

    .intro-stat-box {
        text-align: center;
    }

    .intro-stat-box .stat-val {
        font-size: 2.75rem;
    }

    .intro-quote {
        text-align: center;
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    text-align: center;
    padding: 38px 32px;
    background: linear-gradient(145deg, #ffffff 0%, #f8faff 100%);
    border-radius: 24px;
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 149, 255, 0.12);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* 顶部渐变光条 - 静态显示 */
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    box-shadow:
        0 22px 54px rgba(0, 149, 255, 0.18),
        0 0 0 1px rgba(0, 212, 255, 0.5);
    border-color: transparent;
    background: linear-gradient(145deg, #ffffff 0%, #f0f7ff 100%);
}

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

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #0095FF 0%, #00B4FF 50%, #00D4FF 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    color: white;
    font-size: 28px;
    box-shadow: 0 10px 25px rgba(0, 149, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(0, 149, 255, 0.4);
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--neutral-gray-800);
    margin-bottom: 12px;
    font-weight: 600;
    transition: color 0.3s ease;
}

.feature-card:hover h3 {
    color: #0095FF;
}

.feature-card p {
    color: var(--neutral-gray-600);
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, #001a33 0%, #003366 30%, #004d99 60%, #0066cc 100%);
    padding: 110px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

/* 科技网格背景 */
.stats-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.12;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.25) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.25) 1px, transparent 1px);
    background-size: 80px 80px;
}

/* 光晕装饰 */
.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 50%, rgba(0, 212, 255, 0.2), transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(0, 149, 255, 0.2), transparent 60%);
}

/* 顶部光线 */
.stats-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.6), transparent);
}

@keyframes gradient-shift {
    0% {
        opacity: 0.6;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1.02);
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 2;
    text-align: center;
}

.stat-item {
    position: relative;
    padding: 40px 25px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* 背景发光效果 */
.stat-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    transition: all 0.6s ease;
    z-index: -1;
}

/* 底部光条 */
.stat-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px 3px 0 0;
    transition: width 0.5s ease;
}

.stat-item:hover::before {
    width: 200px;
    height: 200px;
}

.stat-item:hover::after {
    width: 60%;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.stat-item h3 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 18px;
    background: linear-gradient(180deg, #ffffff 0%, #00D4FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.4));
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    letter-spacing: -2px;
    line-height: 1;
}

.stat-item p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    from {
        transform: scale(1);
        opacity: 0.4;
    }

    to {
        transform: scale(1.3);
        opacity: 0.6;
    }
}

/* Header Customization */
.main-header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background: linear-gradient(90deg, rgb(60 84 184) 0%, rgb(67 113 201) 50%, rgb(72 147 210) 100%) !important;
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 20px rgba(0, 149, 255, 0.15);
}

.main-header.scrolled {
    background: linear-gradient(90deg, rgb(60 84 184) 0%, rgb(67 113 201) 50%, rgb(72 147 210) 100%) !important;
    box-shadow: 0 4px 30px rgba(0, 149, 255, 0.25);
    border-bottom-color: rgba(0, 212, 255, 0.3);
}

.main-header a {
    color: rgba(255, 255, 255, 0.9) !important;
    transition: all 0.3s ease;
    position: relative;
}

.main-header .nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.main-header .nav-menu a:hover::after {
    width: 100%;
}

.main-header a:hover {
    color: #00D4FF !important;
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
}

/* Adjust hero section for fixed header */
.hero-section {
    padding-top: 70px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

/* Mobile Menu Dropdown */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, rgba(0, 26, 51, 0.98) 0%, rgba(0, 61, 122, 0.98) 100%);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
    opacity: 0;
    z-index: 999;
}

.mobile-menu.active {
    max-height: 700px;
    opacity: 1;
}

.mobile-menu a {
    display: block;
    padding: 16px 24px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    font-size: 1rem;
}

.mobile-menu a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00D4FF;
    padding-left: 32px;
}

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

/* PC Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: default;
}

.nav-dropdown-chevron {
    transition: transform 0.25s ease;
    flex-shrink: 0;
    opacity: 0.8;
}

.nav-dropdown:hover .nav-dropdown-chevron {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 170px;
    background: linear-gradient(180deg, rgba(0, 26, 51, 0.97) 0%, rgba(0, 61, 122, 0.97) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    list-style: none;
    padding: 6px 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1001;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

/* 桥接空隙，防止鼠标从菜单移到下拉时闪失 */
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}

.nav-dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    white-space: nowrap;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9375rem;
}

.nav-dropdown-menu li a::after {
    display: none !important;
}

.nav-dropdown-menu li:last-child a {
    border-bottom: none;
}

/* Mobile Nav Accordion Group */
.mobile-nav-group-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    user-select: none;
}

.mobile-nav-group-title:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00D4FF;
    padding-left: 32px;
}

.mobile-nav-group-chevron {
    transition: transform 0.25s ease;
    flex-shrink: 0;
    opacity: 0.8;
}

.mobile-nav-group.open .mobile-nav-group-chevron {
    transform: rotate(180deg);
}

.mobile-nav-group-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-nav-group.open .mobile-nav-group-items {
    max-height: 200px;
}

.mobile-nav-group-items a {
    display: block;
    padding: 13px 24px 13px 38px;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    font-size: 0.9375rem;
}

.mobile-nav-group-items a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00D4FF;
    padding-left: 46px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: #0095FF;
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px) scale(0.8);
    overflow: visible;
}

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

.back-to-top.visible:hover {
    transform: translateY(0) scale(1);
    background: #1AA3FF;
    box-shadow: 0 10px 28px rgba(0, 149, 255, 0.45);
}

.back-to-top.visible:hover > .btn-shift {
    transform: translateY(-5px) scale(1.08);
}

.back-to-top.visible:active {
    transform: translateY(0) scale(1);
    box-shadow: 0 6px 18px rgba(0, 149, 255, 0.35);
}

.back-to-top.visible:active > .btn-shift {
    transform: translateY(-2px) scale(1.02);
}

.back-to-top > .btn-shift {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-to-top svg {
    position: relative;
    z-index: 1;
}

@keyframes back-to-top-ripple {
    0% {
        transform: scale(1);
        opacity: 0.55;
    }
    100% {
        transform: scale(1.85);
        opacity: 0;
    }
}

.back-to-top::before,
.back-to-top::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(0, 149, 255, 0.5);
    pointer-events: none;
    animation: back-to-top-ripple 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.back-to-top::after {
    animation-delay: 1.2s;
}

/* Footer customization */
footer {
    background: linear-gradient(180deg, #0f1224 0%, #1a1f3c 100%) !important;
    color: #8b9bb4 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
}

footer h4 {
    color: #fff !important;
    font-weight: 600;
}

footer a {
    color: #8b9bb4 !important;
    transition: all 0.3s ease;
}

footer a:hover {
    color: #00D4FF !important;
}

/* Footer Links with Separators */
.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 0;
}

.footer-links a {
    padding: 0 12px;
}

.footer-links .link-separator {
    color: rgba(139, 155, 180, 0.4);
    font-size: 0.875rem;
}

/* Footer Copyright Styles */
.copyright {
    line-height: 1.75;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

.copyright-main-line {
    display: block;
    width: 100%;
    max-width: 100%;
    text-align: center;
    white-space: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.copyright-company-line {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 0.9375em;
}

/* 备案号与公安备案同一行；两链接之间仅用空格（无竖线） */
.copyright-filings-line {
    display: inline-flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    max-width: 100%;
}

/* PC：整段版权与备案同一行 */
@media (min-width: 769px) {
    .copyright {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .copyright-main-line {
        display: inline;
        width: auto;
        max-width: none;
        flex: 0 0 auto;
        white-space: nowrap;
        overflow-x: visible;
    }

    .copyright-company-line {
        display: inline;
        width: auto;
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .copyright-filings-line {
        flex: 0 0 auto;
        white-space: nowrap;
    }
}

.copyright a {
    color: #8b9bb4 !important;
    text-decoration: none;
    transition: color 0.3s ease;
    padding-left: 0 !important;
}

.copyright a:hover {
    color: #00D4FF !important;
}

.beian-text {
    display: inline;
    vertical-align: middle;
    line-height: 1.35;
}

.beian-icp {
    display: inline !important;
}

.beian-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    margin-left: 0;
}

.beian-icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Mobile Footer：英文版权单行（必要时横向微滚动）；备案两行合一 */
@media (max-width: 768px) {
    .copyright {
        line-height: 1.65;
        font-size: 0.8125rem;
        padding: 0 12px;
        gap: 0.45rem;
    }

    .copyright-main-line {
        white-space: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        font-size: clamp(0.65rem, 2.85vw, 0.8125rem);
        letter-spacing: -0.02em;
        padding-bottom: 2px;
    }

    .copyright-main-line::-webkit-scrollbar {
        display: none;
    }

    .copyright-company-line {
        font-size: 0.8125rem;
        line-height: 1.5;
        padding: 0 4px;
    }

    .copyright-filings-line {
        gap: 0.35rem;
        font-size: clamp(0.65rem, 2.9vw, 0.75rem);
        padding: 0 4px;
    }

    .beian-link {
        margin-top: 0;
    }

    .beian-text {
        line-height: 1.35;
    }
}

@media (max-width: 480px) {
    .copyright {
        font-size: 0.75rem;
        padding: 0 8px;
    }

    .copyright-company-line {
        font-size: 0.75rem;
    }

    .beian-icon {
        width: 14px;
        height: 14px;
    }
}

/* Core Advantage Section */
.core-advantage {
    padding: 90px 0;
    /* 与“产品介绍”刻意拉开：更偏 Blueprint 的冷调底色 + 网格质感 */
    background:
        radial-gradient(ellipse 60% 40% at 20% 20%, rgba(0, 212, 255, 0.06) 0%, transparent 55%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 149, 255, 0.06) 0%, transparent 55%),
        linear-gradient(180deg, #f3f8ff 0%, #ffffff 55%, #f1f7ff 100%);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

/* 背景装饰 */
.core-advantage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 149, 255, 0.4), transparent);
}

.core-advantage::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Blueprint 网格（非常淡，避免喧宾夺主） */
    background:
        repeating-linear-gradient(0deg,
            rgba(0, 149, 255, 0.045) 0px,
            rgba(0, 149, 255, 0.045) 1px,
            transparent 1px,
            transparent 72px),
        repeating-linear-gradient(90deg,
            rgba(0, 212, 255, 0.035) 0px,
            rgba(0, 212, 255, 0.035) 1px,
            transparent 1px,
            transparent 72px),
        radial-gradient(circle at 15% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 70%, rgba(0, 149, 255, 0.07) 0%, transparent 45%);
    background-size: 72px 72px, 72px 72px, 100% 100%, 100% 100%;
    background-position: 0 0, 0 0, 0 0, 0 0;
    animation: advantage-grid-drift 18s linear infinite;
    pointer-events: none;
    opacity: 0.95;
    z-index: 0;
    /* 底部弱化/去除网格：保留上半部分科技感，避免下半部分“花” */
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 1) 66%, rgba(0, 0, 0, 0) 100%);
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 1) 66%, rgba(0, 0, 0, 0) 100%);
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
}

.core-advantage .container,
.core-advantage .advantage-grid,
.core-advantage .section-title {
    position: relative;
    z-index: 1;
}

.core-advantage .advantage-grid::before {
    content: '';
    position: absolute;
    inset: -60px -40px;
    background:
        radial-gradient(ellipse 45% 30% at 15% 25%, rgba(0, 212, 255, 0.22) 0%, transparent 60%),
        radial-gradient(ellipse 45% 30% at 85% 75%, rgba(0, 149, 255, 0.20) 0%, transparent 60%);
    filter: blur(35px);
    opacity: 0.55;
    pointer-events: none;
    z-index: -1;
    animation: advantage-aurora-float 12s ease-in-out infinite;
}

.core-advantage .section-title .text-primary {
    /* 与产品介绍的胶囊标签做区分：更硬朗的描边感 */
    background: rgba(0, 149, 255, 0.06);
    border: 1px solid rgba(0, 149, 255, 0.22);
}

.core-advantage .section-title h2 {
    /* 更偏“深到亮”的科技蓝渐变，区分产品介绍的偏浅渐变 */
    background: linear-gradient(135deg, #001a33 0%, #0066CC 45%, #00D4FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.core-advantage .section-title h2::after {
    width: 110px;
    height: 4px;
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.95), rgba(0, 149, 255, 0.55), rgba(0, 212, 255, 0.95));
    background-size: 200% 100%;
    box-shadow: 0 6px 22px rgba(0, 212, 255, 0.35);
    animation: advantage-underline-shimmer 4s ease-in-out infinite;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 55px;
    position: relative;
    z-index: 1;
}

.advantage-card {
    /* 诉求：白色即可，但要透明毛玻璃；因此去掉卡片表面的蓝色渐变/蓝色描边 */
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.46) 100%);
    border: 1px solid rgba(226, 232, 240, 0.7);
    border-radius: 24px;
    padding: 36px 38px;
    box-shadow:
        0 18px 60px rgba(15, 23, 42, 0.10),
        0 2px 10px rgba(15, 23, 42, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.65);
    transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-start;
    gap: 30px;
    /* 毛玻璃强度（Safari 需要前缀） */
    -webkit-backdrop-filter: blur(18px) saturate(1.35);
    backdrop-filter: blur(18px) saturate(1.35);
    transform-style: preserve-3d;
    will-change: transform;
}

/* 左侧渐变边框 - 静态显示 */
.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    /* 不用蓝色渐变：改为白色“高光边”增强玻璃质感 */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.70), rgba(255, 255, 255, 0.12));
}

.advantage-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        /* 白色玻璃高光（不引入蓝色“染色”） */
        radial-gradient(ellipse 55% 55% at 0% 0%, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0) 62%),
        radial-gradient(ellipse 60% 60% at 100% 100%, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 62%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.20), rgba(255, 255, 255, 0));
    opacity: 0.7;
    pointer-events: none;
}

/* 玻璃“噪点/磨砂颗粒”层：极淡，避免脏 */
.advantage-card .advantage-content::before {
    content: '';
    position: absolute;
    inset: -18px;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 55%),
        repeating-linear-gradient(135deg,
            rgba(255, 255, 255, 0.06) 0px,
            rgba(255, 255, 255, 0.06) 1px,
            transparent 1px,
            transparent 6px);
    opacity: 0.18;
    mix-blend-mode: overlay;
    pointer-events: none;
    z-index: -1;
    transform: translateZ(0);
}

.advantage-card:hover {
    box-shadow:
        0 34px 90px rgba(15, 23, 42, 0.14),
        0 12px 30px rgba(15, 23, 42, 0.08),
        inset 0 0 0 1px rgba(255, 255, 255, 0.40),
        inset 0 0 55px rgba(255, 255, 255, 0.12);
}

.advantage-icon {
    width: 78px;
    height: 78px;
    min-width: 78px;
    /* 与 feature-icon 强区分：改为“圆形描边徽章”+ 蓝色描边图标 */
    background:
        radial-gradient(circle at 35% 30%, rgba(0, 212, 255, 0.22) 0%, rgba(0, 149, 255, 0.08) 55%, rgba(255, 255, 255, 0.9) 100%);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue-dark);
    box-shadow:
        0 10px 24px rgba(0, 102, 204, 0.10),
        inset 0 0 0 1px rgba(0, 149, 255, 0.18);
    position: relative;
    z-index: 1;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.45), rgba(0, 149, 255, 0.15));
    opacity: 0.9;
    filter: blur(10px);
    z-index: -1;
}

.advantage-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    background: conic-gradient(from 180deg, rgba(0, 212, 255, 0.95), rgba(0, 149, 255, 0.65), rgba(0, 212, 255, 0.95));
    opacity: 0.55;
    /* 只显示“环” */
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
    animation: advantage-ring-spin 7s linear infinite;
    pointer-events: none;
}

.advantage-icon svg {
    filter: drop-shadow(0 6px 18px rgba(0, 149, 255, 0.25));
    transform: translateZ(1px);
    transition: transform 0.35s ease, filter 0.35s ease;
}

.advantage-card:hover .advantage-icon {
    transform: rotate(-3deg) scale(1.04);
    box-shadow:
        0 16px 34px rgba(0, 102, 204, 0.14),
        inset 0 0 0 1px rgba(0, 212, 255, 0.22);
    transition: transform 0.45s ease, box-shadow 0.45s ease;
}

.advantage-card:hover .advantage-icon svg {
    transform: translateZ(1px) scale(1.06);
    filter: drop-shadow(0 10px 26px rgba(0, 212, 255, 0.35));
}

.advantage-content {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.advantage-card h3 {
    font-size: 1.35rem;
    color: var(--neutral-gray-800);
    margin-bottom: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

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

.advantage-list li {
    color: var(--neutral-gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
    padding: 8px 0 8px 28px;
    position: relative;
}

.advantage-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    /* 与产品介绍的“实心渐变块”体系区分：这里用描边圆点 */
    background: transparent;
    border: 1.5px solid rgba(0, 149, 255, 0.35);
    border-radius: 50%;
    box-shadow: none;
}

.advantage-list li::after {
    content: '✓';
    position: absolute;
    left: 3.8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-blue);
    font-size: 10px;
    font-weight: bold;
    z-index: 1;
}

/* —— Core Advantage: Modern motion (subtle) —— */
@keyframes advantage-grid-drift {
    0% {
        background-position: 0 0, 0 0, 0 0, 0 0;
    }

    100% {
        background-position: 72px 72px, -72px 72px, 0 0, 0 0;
    }
}

@keyframes advantage-aurora-float {

    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.52;
    }

    50% {
        transform: translate3d(0, -14px, 0) scale(1.04);
        opacity: 0.62;
    }
}

@keyframes advantage-ring-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes advantage-underline-shimmer {

    0%,
    100% {
        background-position: 0% 50%;
        opacity: 0.9;
    }

    50% {
        background-position: 100% 50%;
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {

    .core-advantage::after,
    .core-advantage .advantage-grid::before,
    .core-advantage .section-title h2::after,
    .advantage-icon::after {
        animation: none !important;
    }

    .advantage-card,
    .advantage-icon svg {
        transition: none !important;
    }

    .advantage-card:hover {
        transform: none;
        box-shadow:
            0 12px 40px rgba(0, 102, 204, 0.12),
            0 4px 12px rgba(0, 102, 204, 0.06);
    }
}

/* Customer Evaluation Section */
.customer-evaluation {
    padding-top: 90px;
    background: linear-gradient(180deg, #f8faff 0%, #ffffff 30%, #f5f9ff 60%, #f0f7ff 100%);
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
.customer-evaluation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 50% 30% at 10% 20%, rgba(0, 149, 255, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 50% 30% at 90% 80%, rgba(0, 212, 255, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

/* 顶部光线 */
.customer-evaluation::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 149, 255, 0.3), transparent);
}

.evaluation-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 55px;
    margin-bottom: 55px;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.eval-tab {
    flex: 1;
    padding: 22px 30px;
    background: linear-gradient(145deg, #ffffff 0%, #f8faff 100%);
    border: 1px solid rgba(0, 149, 255, 0.12);
    border-radius: 18px;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    box-shadow:
        0 8px 25px rgba(0, 102, 204, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.03);
    overflow: hidden;
}

/* 底部光条 */
.eval-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px 3px 0 0;
    transition: width 0.4s ease;
}

/* 外发光 */
.eval-tab::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 149, 255, 0.2));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    filter: blur(10px);
}

.eval-tab .tab-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neutral-gray-700);
    transition: all 0.4s ease;
    letter-spacing: 0.5px;
}

.eval-tab .tab-date {
    font-size: 0.8125rem;
    color: var(--neutral-gray-500);
    transition: all 0.4s ease;
}

.eval-tab:hover {
    box-shadow:
        0 15px 40px rgba(0, 149, 255, 0.15),
        0 8px 20px rgba(0, 102, 204, 0.1);
    border-color: rgba(0, 149, 255, 0.25);
}

.eval-tab > .btn-shift {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.eval-tab:hover > .btn-shift {
    transform: translateY(-5px);
}

.eval-tab:hover::before {
    width: 50%;
}

.eval-tab.active {
    background: linear-gradient(135deg, #0095FF 0%, #00B4FF 50%, #00D4FF 100%);
    border-color: transparent;
    box-shadow:
        0 20px 50px rgba(0, 149, 255, 0.35),
        0 10px 25px rgba(0, 102, 204, 0.2);
}

.eval-tab.active > .btn-shift {
    transform: translateY(-6px) scale(1.03);
}

.eval-tab.active::before {
    width: 80%;
    background: rgba(255, 255, 255, 0.5);
}

.eval-tab.active::after {
    opacity: 1;
}

.eval-tab.active .tab-name,
.eval-tab.active .tab-date {
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.evaluation-content {
    position: relative;
    min-height: 300px;
    max-width: 1100px;
    margin: 0 auto;
}

.eval-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95) translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s 0.6s;
    background: linear-gradient(145deg, #ffffff 0%, #f8faff 100%);
    border-radius: 28px;
    padding: 50px 55px;
    box-shadow:
        0 25px 70px rgba(0, 102, 204, 0.1),
        0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 149, 255, 0.1);
    display: flex;
    gap: 45px;
    align-items: flex-start;
    overflow: hidden;
}

/* 顶部渐变光条 - 静态 */
.eval-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0095FF, #00D4FF);
}

/* 引号装饰 */
.eval-item::after {
    content: '"';
    position: absolute;
    top: 30px;
    right: 45px;
    font-size: 140px;
    font-family: Georgia, serif;
    background: linear-gradient(135deg, rgba(0, 149, 255, 0.08), rgba(0, 212, 255, 0.04));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    z-index: 0;
}

.eval-item.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s 0s;
    z-index: 1;
}

.eval-logo {
    flex-shrink: 0;
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #ffffff 0%, #f8faff 100%);
    border-radius: 24px;
    padding: 28px;
    border: 2px solid rgba(0, 149, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 15px 40px rgba(0, 102, 204, 0.08),
        0 5px 15px rgba(0, 0, 0, 0.04);
    position: relative;
    z-index: 1;
}

/* Logo外发光 */
.eval-logo::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 27px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 149, 255, 0.1));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
    filter: blur(10px);
}

.eval-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.eval-item:hover .eval-logo {
    transform: scale(1.05) rotate(-2deg);
    border-color: rgba(0, 212, 255, 0.35);
    box-shadow:
        0 20px 50px rgba(0, 149, 255, 0.18),
        0 10px 25px rgba(0, 102, 204, 0.1);
}

.eval-item:hover .eval-logo::after {
    opacity: 1;
}

.eval-item:hover .eval-logo img {
    transform: scale(1.05);
}

.eval-info {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.eval-meta {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.eval-person,
.eval-position {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    color: var(--neutral-gray-600);
    font-weight: 500;
    padding: 6px 14px;
    background: rgba(0, 149, 255, 0.05);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.eval-person:hover,
.eval-position:hover {
    background: rgba(0, 149, 255, 0.1);
    color: var(--primary-blue);
}

.eval-person svg,
.eval-position svg {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.eval-company {
    font-size: 1.75rem;
    color: var(--neutral-gray-800);
    margin-bottom: 24px;
    font-weight: 700;
    line-height: 1.3;
    background: linear-gradient(135deg, var(--neutral-gray-800) 0%, #0066CC 50%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.eval-text {
    font-size: 1.0625rem;
    color: var(--neutral-gray-600);
    line-height: 1.95;
    text-align: justify;
    position: relative;
    padding-left: 22px;
    border-left: 3px solid transparent;
    border-image: linear-gradient(180deg, #0095FF, #00D4FF) 1;
}

/* Friendly Links in Evaluation Section */
.customer-evaluation .friendly-links {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    margin-top: 80px;
    padding: 60px 0 80px;
    background: linear-gradient(135deg, #001a33 0%, #003d7a 30%, #0066cc 60%, #004d99 100%);
    text-align: center;
    overflow: hidden;
}

.customer-evaluation .friendly-links::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 149, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.customer-evaluation .friendly-links::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    background-image:
        linear-gradient(30deg, rgba(0, 212, 255, 0.3) 12%, transparent 12.5%, transparent 87%, rgba(0, 212, 255, 0.3) 87.5%, rgba(0, 212, 255, 0.3)),
        linear-gradient(150deg, rgba(0, 212, 255, 0.3) 12%, transparent 12.5%, transparent 87%, rgba(0, 212, 255, 0.3) 87.5%, rgba(0, 212, 255, 0.3));
    background-size: 80px 140px;
    background-position: 0 0, 40px 70px;
    pointer-events: none;
}

.customer-evaluation .friendly-links h3 {
    font-size: 1.375rem;
    color: white;
    margin-bottom: 32px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.customer-evaluation .friendly-links .container {
    position: relative;
    z-index: 1;
}

.customer-evaluation .links-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 18px;
    max-width: 1000px;
    margin: 0 auto;
}

.customer-evaluation .links-list a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.9375rem;
    padding: 11px 24px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.customer-evaluation .links-list a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.customer-evaluation .links-list a:hover::before {
    left: 100%;
}

.customer-evaluation .links-list a:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Customer Cases Section */
.customer-cases {
    padding: 100px 0 90px;
    background: linear-gradient(135deg, #001428 0%, #002952 25%, #003d7a 50%, #0055a8 75%, #004080 100%);
    position: relative;
    overflow: hidden;
}

/* 科技网格背景 - 静态 */
.customer-cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px),
        radial-gradient(ellipse 60% 40% at 20% 30%, rgba(0, 212, 255, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 70%, rgba(0, 149, 255, 0.12) 0%, transparent 60%);
    background-size: 60px 60px, 60px 60px, 100% 100%, 100% 100%;
    pointer-events: none;
}

/* 六边形科技图案 - 静态 */
.customer-cases::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    background-image:
        linear-gradient(30deg, rgba(0, 212, 255, 0.3) 12%, transparent 12.5%, transparent 87%, rgba(0, 212, 255, 0.3) 87.5%, rgba(0, 212, 255, 0.3)),
        linear-gradient(150deg, rgba(0, 212, 255, 0.3) 12%, transparent 12.5%, transparent 87%, rgba(0, 212, 255, 0.3) 87.5%, rgba(0, 212, 255, 0.3));
    background-size: 80px 140px;
    background-position: 0 0, 40px 70px;
}

.customer-cases .section-title {
    color: white;
    position: relative;
    z-index: 2;
}

.customer-cases .section-title .text-primary {
    color: rgba(255, 255, 255, 0.95);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.customer-cases .section-title h2 {
    background: linear-gradient(135deg, #ffffff 0%, #e0f4ff 50%, #00D4FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
}

.customer-cases .section-title h2::after {
    background: linear-gradient(90deg, rgba(0, 212, 255, 0.8), rgba(255, 255, 255, 0.6), rgba(0, 212, 255, 0.8));
    box-shadow: 0 2px 15px rgba(0, 212, 255, 0.5);
}

.customer-cases .section-title p {
    color: rgba(255, 255, 255, 0.9);
}

.customer-logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 60px;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.logo-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 35px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
}

/* 悬浮外发光 */
.logo-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 149, 255, 0.15));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.5s ease;
    filter: blur(15px);
}

/* 底部光条 */
.logo-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #00D4FF, #0095FF);
    border-radius: 3px 3px 0 0;
    transition: width 0.4s ease;
}

.logo-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

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

.logo-card:hover::after {
    width: 60%;
}

.logo-card img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: all 0.5s ease;
    filter:
        drop-shadow(0 4px 15px rgba(255, 255, 255, 0.25)) brightness(1);
}

.logo-card:hover img {
    filter:
        drop-shadow(0 8px 30px rgba(0, 212, 255, 0.5)) brightness(1.1);
    transform: scale(1.08);
}

/* Customer CTA Button */
.customer-cta {
    text-align: center;
    margin-top: 20px;
}

.customer-cta .btn {
    background: linear-gradient(135deg, #FF4B6E 0%, #FF6B88 50%, #FFA07A 100%);
    color: white;
    padding: 18px 56px;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 15px 40px rgba(255, 75, 110, 0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.customer-cta .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.customer-cta .btn:hover::before {
    left: 100%;
}

.customer-cta .btn::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50px;
    background: linear-gradient(135deg, #FFA07A, #FF4B6E);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.customer-cta .btn:hover {
    box-shadow: 0 20px 60px rgba(255, 75, 110, 0.7);
    border-color: rgba(255, 255, 255, 0.6);
}

.customer-cta .btn:hover > .btn-shift {
    transform: translateY(-5px) scale(1.05);
}

.customer-cta .btn:hover::after {
    opacity: 1;
}

.customer-cta .btn:active > .btn-shift {
    transform: translateY(0) scale(1);
}

.customer-cta .btn:active {
    box-shadow: 0 12px 36px rgba(255, 75, 110, 0.55);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

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

@media (max-width: 768px) {
    .hero-section {
        min-height: 100vh;
        padding: 80px 0 40px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .hero-actions .btn {
        width: 200px;
        max-width: calc(100vw - 60px);
    }

    .slider-arrow {
        display: none;
    }

    .slider-nav {
        bottom: 30px;
    }

    /* Product Section */
    .product-intro {
        padding: 60px 0;
    }

    .intro-container {
        padding: 32px 24px;
        border-radius: 22px;
        margin-bottom: 40px;
    }

    .intro-header-adjustment {
        margin-bottom: 2rem !important;
    }

    .intro-text-column .intro-lead {
        font-size: 1.0625rem;
        line-height: 1.75;
        margin-bottom: 14px;
        font-weight: 600;
        letter-spacing: -0.2px;
    }

    .intro-text-column .intro-lead strong {
        font-weight: 700;
    }

    .intro-text-column .intro-lead strong::after {
        height: 6px;
        bottom: 1px;
    }

    .intro-text-column .intro-desc {
        font-size: 0.875rem;
        line-height: 1.8;
    }

    .intro-stats-column {
        padding: 24px 22px;
        border-radius: 16px;
    }

    .intro-stats-row {
        gap: 20px;
        padding-bottom: 18px;
        margin-bottom: 18px;
    }

    .intro-stat-box .stat-val {
        font-size: 2.25rem;
        margin-bottom: 5px;
    }

    .intro-stat-box .stat-label {
        font-size: 0.8125rem;
    }

    .intro-quote {
        font-size: 0.8125rem;
        line-height: 1.55;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .section-title p {
        font-size: 0.9375rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }

    .feature-card {
        padding: 30px 25px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin-bottom: 20px;
    }

    .feature-card h3 {
        font-size: 1.125rem;
    }

    .feature-card p {
        font-size: 0.875rem;
    }

    /* Stats Section */
    .stats-section {
        padding: 60px 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .stat-item h3 {
        font-size: 2.25rem;
    }

    .stat-item p {
        font-size: 0.9375rem;
    }

    /* Core Advantage */
    .core-advantage {
        padding: 50px 0;
    }

    .advantage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }

    .advantage-card {
        padding: 28px 25px;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
    }

    .advantage-icon {
        width: 65px;
        height: 65px;
        min-width: 65px;
    }

    .advantage-icon svg {
        width: 32px;
        height: 32px;
    }

    .advantage-content {
        width: 100%;
    }

    .advantage-card h3 {
        font-size: 1.2rem;
        margin-bottom: 16px;
    }

    .advantage-list {
        text-align: left;
    }

    .advantage-list li {
        font-size: 0.9rem;
        padding: 7px 0 7px 26px;
    }

    .advantage-list li::before {
        width: 14px;
        height: 14px;
    }

    .advantage-list li::after {
        font-size: 9px;
        left: 3.5px;
    }

    /* Customer Evaluation */
    .customer-evaluation {
        padding: 60px 0 0;
    }

    .evaluation-tabs {
        flex-direction: row;
        margin-top: 40px;
        margin-bottom: 40px;
        gap: 10px;
    }

    .eval-tab {
        padding: 12px 5px;
    }

    .evaluation-content {
        min-height: 320px;
    }

    .eval-item {
        flex-direction: column;
        padding: 35px 30px;
        gap: 28px;
        align-items: center;
        text-align: center;
    }

    .eval-logo {
        width: 120px;
        height: 120px;
    }

    .eval-meta {
        justify-content: center;
        gap: 16px;
    }

    .eval-company {
        font-size: 1.25rem;
        margin-bottom: 16px;
    }

    .eval-text {
        font-size: 0.9375rem;
        text-align: left;
    }

    /* Customer Cases */
    .customer-cases {
        padding: 60px 0 50px;
    }

    .customer-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-top: 40px;
        margin-bottom: 40px;
    }

    .logo-card {
        padding: 25px 20px;
        min-height: 100px;
    }

    .logo-card img {
        max-height: 50px;
    }

    .customer-cta .btn {
        padding: 14px 36px;
        font-size: 1rem;
    }

    /* Friendly Links */
    .customer-evaluation .friendly-links {
        margin-top: 60px;
        padding: 40px 20px 60px;
    }

    .customer-evaluation .friendly-links h3 {
        font-size: 1.25rem;
        margin-bottom: 24px;
    }

    .customer-evaluation .links-list {
        gap: 12px 15px;
    }

    .customer-evaluation .links-list a {
        font-size: 0.875rem;
        padding: 8px 16px;
    }

    /* Header */
    .main-header .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu {
        display: block;
    }

    .back-to-top {
        width: 50px;
        height: 50px;
        bottom: 30px;
        right: 30px;
    }

    .back-to-top svg {
        width: 20px;
        height: 20px;
    }

    /* Footer */
    footer .grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-links {
        font-size: 0.8125rem;
        gap: 4px 0;
    }

    .footer-links a {
        padding: 0 6px;
        font-size: 0.8125rem;
    }

    .footer-links .link-separator {
        margin: 0 2px;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Intro Section - 极致精简 */
    .intro-container {
        padding: 26px 18px;
        border-radius: 18px;
        margin-bottom: 32px;
    }

    .intro-header-adjustment {
        margin-bottom: 1.5rem !important;
    }

    .intro-text-column .intro-lead {
        font-size: 0.9375rem;
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .intro-text-column .intro-lead strong::after {
        height: 5px;
    }

    .intro-text-column .intro-desc {
        font-size: 0.875rem;
        line-height: 1.75;
    }

    .intro-stats-column {
        padding: 20px 18px;
        border-radius: 14px;
    }

    .intro-stats-row {
        gap: 16px;
        padding-bottom: 14px;
        margin-bottom: 14px;
    }

    .intro-stat-box .stat-val {
        font-size: 1.875rem;
        margin-bottom: 4px;
    }

    .intro-stat-box .stat-label {
        font-size: 0.75rem;
    }

    .intro-quote {
        font-size: 0.75rem;
        line-height: 1.5;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .evaluation-tabs {
        gap: 10px;
    }

    .eval-tab {
        padding: 10px 2px;
    }

    .eval-tab .tab-name {
        font-size: 0.9375rem;
    }

    .eval-tab .tab-date {
        font-size: 0.75rem;
    }

    .eval-item {
        padding: 25px 20px;
    }

    .eval-logo {
        width: 90px;
        height: 90px;
        padding: 15px;
    }

    .eval-company {
        font-size: 1.0625rem;
    }

    .eval-text {
        font-size: 0.875rem;
        padding-left: 15px;
        border-left-width: 3px;
    }

    .customer-logos {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .section-title h2 {
        font-size: 1.75rem;
    }

    .back-to-top {
        width: 46px;
        height: 46px;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top svg {
        width: 18px;
        height: 18px;
    }

    /* Footer Links - Keep in one line on small screens */
    .footer-links {
        font-size: 0.75rem;
        gap: 2px 0;
        line-height: 1.8;
    }

    .footer-links a {
        padding: 0 4px;
        font-size: 0.75rem;
        display: inline;
    }

    .footer-links .link-separator {
        margin: 0 1px;
        font-size: 0.7rem;
    }
}

/* ============================================
   核心优势 - 移动端响应式优化 (PAD / 手机)
   ============================================ */

/* PAD 横屏优化 (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .core-advantage {
        padding: 70px 0;
    }

    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 45px;
    }

    .advantage-card {
        padding: 30px 28px;
        gap: 22px;
        border-radius: 20px;
    }

    .advantage-icon {
        width: 68px;
        height: 68px;
        min-width: 68px;
    }

    .advantage-icon svg {
        width: 34px;
        height: 34px;
    }

    .advantage-card h3 {
        font-size: 1.2rem;
        margin-bottom: 14px;
    }

    .advantage-list li {
        font-size: 0.9rem;
        padding: 6px 0 6px 26px;
    }
}

/* 移动端核心优势 - 高级样式优化 */
@media (max-width: 768px) {

    /* 背景优化 - 更柔和的渐变 */
    .core-advantage {
        padding: 55px 0;
        background:
            radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 149, 255, 0.08) 0%, transparent 50%),
            linear-gradient(180deg, #f5f9ff 0%, #ffffff 40%, #f8faff 100%);
    }

    /* 隐藏复杂的网格动画背景 */
    .core-advantage::after {
        display: none;
    }

    /* 简化装饰背景 */
    .core-advantage .advantage-grid::before {
        display: none;
    }

    /* 标题优化 */
    .core-advantage .section-title {
        margin-bottom: 2.5rem;
    }

    .core-advantage .section-title .text-primary {
        font-size: 0.7rem;
        letter-spacing: 2.5px;
        padding: 6px 14px;
    }

    .core-advantage .section-title h2 {
        font-size: 1.75rem;
    }

    .core-advantage .section-title h2::after {
        width: 60px;
        height: 3px;
        bottom: -8px;
    }

    /* 优势网格 - 精致卡片布局 */
    .advantage-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 32px;
        padding: 0;
    }

    /* 优势卡片 - 移动端精致设计 */
    .advantage-card {
        display: flex;
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        padding: 22px 20px;
        gap: 18px;
        border-radius: 18px;
        background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(250, 252, 255, 0.9) 100%);
        border: 1px solid rgba(0, 149, 255, 0.08);
        box-shadow:
            0 8px 32px rgba(0, 60, 120, 0.06),
            0 2px 8px rgba(0, 60, 120, 0.03);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        position: relative;
        overflow: visible;
        transform: none;
    }

    /* 卡片序号标识 */
    .advantage-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
        width: 4px;
        border-radius: 18px 0 0 18px;
        background: linear-gradient(180deg, rgba(0, 212, 255, 0.6) 0%, rgba(0, 149, 255, 0.3) 100%);
    }

    /* 第1个卡片特殊渐变 */
    .advantage-card:nth-child(1)::before {
        background: linear-gradient(180deg, #00D4FF 0%, #0095FF 100%);
    }

    /* 第2个卡片特殊渐变 */
    .advantage-card:nth-child(2)::before {
        background: linear-gradient(180deg, #0095FF 0%, #0066CC 100%);
    }

    /* 第3个卡片特殊渐变 */
    .advantage-card:nth-child(3)::before {
        background: linear-gradient(180deg, #00B4FF 0%, #0095FF 100%);
    }

    /* 第4个卡片特殊渐变 */
    .advantage-card:nth-child(4)::before {
        background: linear-gradient(180deg, #00D4FF 0%, #00B4FF 100%);
    }

    /* 移除默认的高光装饰 */
    .advantage-card::after {
        display: none;
    }

    .advantage-card .advantage-content::before {
        display: none;
    }

    /* 悬停效果调整 */
    .advantage-card:hover {
        transform: none;
        box-shadow:
            0 12px 40px rgba(0, 102, 204, 0.12),
            0 4px 12px rgba(0, 102, 204, 0.06);
    }

    /* 激活态效果（触摸时） */
    .advantage-card:active {
        transform: scale(0.98);
        transition: transform 0.15s ease;
    }

    /* 图标容器 - 移动端优化 */
    .advantage-icon {
        width: 54px;
        height: 54px;
        min-width: 54px;
        border-radius: 14px;
        background: linear-gradient(135deg, rgba(0, 149, 255, 0.12) 0%, rgba(0, 212, 255, 0.06) 100%);
        box-shadow:
            0 4px 16px rgba(0, 102, 204, 0.1),
            inset 0 0 0 1px rgba(0, 149, 255, 0.15);
        flex-shrink: 0;
    }

    /* 移除图标的复杂装饰 */
    .advantage-icon::before,
    .advantage-icon::after {
        display: none;
    }

    .advantage-icon svg {
        width: 26px;
        height: 26px;
        filter: none;
        color: var(--primary-blue);
    }

    /* 悬停时图标效果 */
    .advantage-card:hover .advantage-icon {
        transform: none;
        background: linear-gradient(135deg, rgba(0, 149, 255, 0.18) 0%, rgba(0, 212, 255, 0.1) 100%);
    }

    .advantage-card:hover .advantage-icon svg {
        transform: scale(1.05);
        filter: drop-shadow(0 2px 8px rgba(0, 149, 255, 0.25));
    }

    /* 内容区域 */
    .advantage-content {
        flex: 1;
        min-width: 0;
    }

    /* 标题样式 */
    .advantage-card h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--neutral-gray-800);
        margin-bottom: 12px;
        line-height: 1.4;
        letter-spacing: -0.2px;
    }

    /* 列表样式优化 */
    .advantage-list {
        margin: 0;
        padding: 0;
    }

    .advantage-list li {
        font-size: 0.85rem;
        line-height: 1.6;
        padding: 5px 0 5px 22px;
        color: var(--neutral-gray-600);
        position: relative;
    }

    /* 列表项标识 - 简化为小圆点 */
    .advantage-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 12px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: linear-gradient(135deg, #0095FF 0%, #00D4FF 100%);
        border: none;
        box-shadow: 0 2px 6px rgba(0, 149, 255, 0.3);
    }

    /* 移除勾选标记 */
    .advantage-list li::after {
        display: none;
    }

    /* 列表项间距微调 */
    .advantage-list li:last-child {
        padding-bottom: 0;
    }
}

/* 小屏手机优化 (< 480px) */
@media (max-width: 480px) {
    .core-advantage {
        padding: 45px 0;
    }

    .core-advantage .section-title .text-primary {
        font-size: 0.65rem;
        letter-spacing: 2px;
        padding: 5px 12px;
    }

    .core-advantage .section-title h2 {
        font-size: 1.5rem;
    }

    .advantage-grid {
        gap: 14px;
        margin-top: 28px;
    }

    .advantage-card {
        padding: 18px 16px;
        gap: 14px;
        border-radius: 16px;
    }

    .advantage-icon {
        width: 48px;
        height: 48px;
        min-width: 48px;
        border-radius: 12px;
    }

    .advantage-icon svg {
        width: 24px;
        height: 24px;
    }

    .advantage-card h3 {
        font-size: 0.95rem;
        margin-bottom: 10px;
    }

    .advantage-list li {
        font-size: 0.8rem;
        padding: 4px 0 4px 20px;
        line-height: 1.55;
    }

    .advantage-list li::before {
        width: 5px;
        height: 5px;
        top: 10px;
    }
}

/* 超小屏幕优化 (< 360px) */
@media (max-width: 360px) {
    .advantage-card {
        padding: 16px 14px;
        gap: 12px;
    }

    .advantage-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
        border-radius: 10px;
    }

    .advantage-icon svg {
        width: 22px;
        height: 22px;
    }

    .advantage-card h3 {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    .advantage-list li {
        font-size: 0.78rem;
        padding: 3px 0 3px 18px;
    }

    .advantage-list li::before {
        width: 4px;
        height: 4px;
        top: 9px;
    }
}