/* ========================================
   特卫森企业网站 - 现代化设计系统 v2.0
   ======================================== */

/* CSS Variables - 设计令牌 */
:root {
    /* 主色调 - 更现代的渐变 */
    --primary-dark: #0a1628;
    --primary-blue: #1a3a5c;
    --primary-light: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d2847 100%);
    --primary-gradient-enhanced: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* 强调色 - 更鲜艳 */
    --accent-gold: #fbbf24;
    --accent-green: #10b981;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --accent-red: #ef4444;
    --accent-pink: #ec4899;

    /* 中性色 */
    --text-dark: #1f2937;
    --text-body: #4b5563;
    --text-light: #9ca3af;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;

    /* 间距 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;

    /* 字体 - 使用系统字体栈 */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* 阴影 - 更柔和的层次感 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-primary: 0 10px 40px -10px rgba(59, 130, 246, 0.5);
    --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 20px 40px rgba(0, 0, 0, 0.12);

    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ========================================
   基础样式重置
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-body);
    line-height: 1.7;
    background: var(--bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition-normal);
}

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

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

/* ========================================
   顶部导航栏 - 玻璃态设计
   ======================================== */
.top-navbar {
    background: linear-gradient(135deg, rgba(15, 12, 41, 0.95) 0%, rgba(26, 22, 64, 0.95) 100%);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-navbar.scrolled {
    background: rgba(15, 12, 41, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
    padding: 0.3rem 0;
}

.top-navbar .navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 1px;
    transition: var(--transition-normal);
}

.top-navbar .navbar-brand:hover {
    transform: scale(1.03);
    color: #fff;
}

.top-navbar .navbar-brand img{
    height: 60px;
}

.top-navbar .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 1.05rem;
    padding: 0.6rem 1.1rem !important;
    margin: 0 0.15rem;
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-normal);
    font-weight: 500;
}

.top-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-cyan));
    border-radius: 2px;
    transition: var(--transition-normal);
}

.top-navbar .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1);
}

.top-navbar .nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.top-navbar .nav-link.active {
    color: #fff !important;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(6, 182, 212, 0.2));
}

.top-navbar .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
    width: 30px;
}

.navbar-phone {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    color: #fff;
    padding: 10px 18px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.15));
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition-normal);
}

.navbar-phone:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(6, 182, 212, 0.25));
    transform: translateY(-2px);
}

.navbar-phone .phone-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.navbar-phone .phone-number {
    font-size: 1.05rem;
    font-weight: 600;
    background: linear-gradient(135deg, #fff, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 移动端导航 */
.top-navbar .navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.top-navbar .navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4);
    outline: none;
}

.top-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ========================================
   Hero 区域 - 沉浸式设计
   ======================================== */
.hero-section {
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 70% 20%, rgba(99, 102, 241, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 30% 70%, rgba(6, 182, 212, 0.3) 0%, transparent 45%),
        radial-gradient(ellipse at 90% 80%, rgba(139, 92, 246, 0.25) 0%, transparent 40%);
    pointer-events: none;
    animation: gradientPulse 8s ease-in-out infinite alternate;
}

@keyframes gradientPulse {
    0% {
        opacity: 0.8;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* 动态光晕 */
.hero-section::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%,
            transparent 0deg,
            rgba(99, 102, 241, 0.05) 60deg,
            transparent 120deg,
            rgba(6, 182, 212, 0.05) 180deg,
            transparent 240deg,
            rgba(139, 92, 246, 0.05) 300deg,
            transparent 360deg);
    animation: rotateGlow 25s linear infinite;
    pointer-events: none;
}

@keyframes rotateGlow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* 粒子背景 */
.particles-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(59, 130, 246, 0.7);
    border-radius: 50%;
    animation: particleFloat 20s infinite linear;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.2rem;
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.3px;
    line-height: 1.25;
}

.hero-title span {
    background: linear-gradient(135deg, #60a5fa, #34d399, #a78bfa);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 4s ease infinite;
    font-size: inherit;
    display: inline-block;
}

@keyframes gradientText {

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

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 580px;
    margin-bottom: 2.5rem;
    line-height: 1.9;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ========================================
   按钮系统 - 现代化设计
   ======================================== */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-light) 0%, #2563eb 100%);
    border: none;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: #fff;
    box-shadow: var(--shadow-primary);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.btn-primary-custom::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: 0.5s;
}

.btn-primary-custom:hover::before {
    left: 100%;
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 45px rgba(59, 130, 246, 0.5);
    color: #fff;
}

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

.btn-outline-light-custom {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.25);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    color: #fff;
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    font-weight: 500;
}

.btn-outline-light-custom:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
    transform: translateY(-3px);
}

/* Hero 功能卡片网格 */
.hero-visual {
    position: relative;
    height: 400px;
}

.hero-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 20px;
}

.hero-feature-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 22px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition-normal);
    cursor: pointer;
}

.hero-feature-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.25);
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.feature-icon-wrapper i {
    font-size: 1.3rem;
    color: #fff;
}

.feature-text h5 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 3px 0;
}

.feature-text p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.8rem;
    margin: 0;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
}

.scroll-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: var(--transition-normal);
    padding: 12px 22px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.scroll-down:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

.scroll-text {
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-down .bi-mouse {
    font-size: 1.4rem;
    animation: mouseMove 2s infinite;
}

.scroll-arrow {
    font-size: 0.85rem;
    animation: arrowBounce 2s infinite;
}

@keyframes mouseMove {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

@keyframes arrowBounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(6px);
    }

    60% {
        transform: translateY(3px);
    }
}

/* ========================================
   统计数据区域 - 现代卡片设计
   ======================================== */
.stats-section {
    background: var(--bg-white);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 35%),
        radial-gradient(circle at 90% 50%, rgba(16, 185, 129, 0.06) 0%, transparent 35%);
    pointer-events: none;
}

.stat-card {
    text-align: center;
    padding: var(--space-lg);
    position: relative;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 50%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
}

.stat-card:last-child::after {
    display: none;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-cyan), var(--accent-green));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.1;
    animation: gradientText 5s ease infinite;
}

.stat-number span {
    font-size: 1.2rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ========================================
   通用区块样式
   ======================================== */
.section-padding {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-title h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    color: var(--text-dark);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-green));
    border-radius: 2px;
}

.section-title p {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 550px;
    margin: 1.5rem auto 0;
    line-height: 1.7;
}

.bg-light-custom {
    background: linear-gradient(180deg, var(--bg-light) 0%, #f1f5f9 100%);
}

/* ========================================
   功能卡片 - 玻璃态设计
   ======================================== */
.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-green), var(--accent-cyan));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.feature-icon {
    width: 85px;
    height: 85px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.08));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 2rem;
    color: var(--primary-light);
    transition: var(--transition-normal);
    position: relative;
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    color: #fff;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35);
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.feature-card:hover h4 {
    color: var(--primary-light);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========================================
   产品卡片 - 现代电商风格
   ======================================== */
.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-normal);
    height: 100%;
    box-shadow: var(--shadow-card);
}

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

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

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

.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--primary-light), #2563eb);
    color: #fff;
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.product-badge.badge-new {
    background: linear-gradient(135deg, var(--accent-green), #059669);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.product-body {
    padding: var(--space-md);
}

.product-body h5 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.product-body p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* ========================================
   案例卡片 - 数据展示风格
   ======================================== */
.case-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-card-hover);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.case-card:hover .case-image::before {
    transform: translateX(100%);
}

.case-image i {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition-normal);
}

.case-card:hover .case-image i {
    transform: scale(1.15);
}

.case-image-green {
    background: linear-gradient(135deg, #065f46, #047857) !important;
}

.case-image-orange {
    background: linear-gradient(135deg, #b45309, #d97706) !important;
}

.case-image-purple {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6) !important;
}

.case-industry {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.case-body {
    padding: var(--space-lg);
}

.case-body h5 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.case-card:hover .case-body h5 {
    color: var(--primary-light);
}

.case-stats {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-color);
}

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

.case-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.case-stat-label {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-top: 2px;
}

/* ========================================
   为什么选择我们 - 优势卡片
   ======================================== */
.why-choose-section {
    background: var(--bg-white);
}

.advantage-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-green));
    opacity: 0;
    transition: var(--transition-normal);
}

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

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

.advantage-icon {
    width: 65px;
    height: 65px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.advantage-icon i {
    font-size: 2rem;
    color: var(--primary-light);
    position: relative;
    z-index: 2;
    transition: var(--transition-normal);
}

.advantage-icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(16, 185, 129, 0.08));
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.advantage-card:hover .advantage-icon i {
    color: #fff;
    transform: scale(1.1);
}

.advantage-card:hover .advantage-icon-bg {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.advantage-card h5 {
    font-size: 1.15rem;
    margin-bottom: 0.7rem;
    color: var(--text-dark);
    font-weight: 600;
}

.advantage-card>p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

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

.advantage-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-body);
    padding: 5px 0;
}

.advantage-list li i {
    color: var(--accent-green);
    font-size: 0.85rem;
}

/* ========================================
   新闻动态板块
   ======================================== */
.news-section .section-title {
    margin-bottom: var(--space-xl);
}

.news-featured {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    height: 100%;
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.news-featured:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-5px);
}

.news-featured-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.news-featured:hover .news-featured-image img {
    transform: scale(1.05);
}

.news-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-dark);
    padding: 5px 14px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
}

.news-featured-content {
    padding: var(--space-lg);
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.7rem;
    font-size: 0.82rem;
    color: var(--text-light);
}

.news-meta i {
    margin-right: 4px;
}

.news-featured-content h4 {
    font-size: 1.15rem;
    margin-bottom: 0.7rem;
    color: var(--text-dark);
    line-height: 1.5;
    font-weight: 600;
}

.news-featured-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    gap: var(--space-md);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.news-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.news-item-date {
    flex-shrink: 0;
    width: 58px;
    text-align: center;
    padding: 10px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-cyan));
    border-radius: var(--radius-md);
    color: #fff;
}

.news-item-date .day {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.2;
}

.news-item-date .month {
    display: block;
    font-size: 0.72rem;
    opacity: 0.9;
}

.news-item-content {
    flex: 1;
    min-width: 0;
}

.news-tag {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-light);
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.news-item-content h5 {
    font-size: 0.92rem;
    margin-bottom: 4px;
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}

.news-item-content p {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================
   客户评价/见证板块
   ======================================== */
.testimonial-section {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.testimonial-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(59, 130, 246, 0.15);
}

.testimonial-quote {
    position: absolute;
    top: 18px;
    right: 22px;
    font-size: 2.8rem;
    color: rgba(59, 130, 246, 0.1);
    line-height: 1;
}

.testimonial-quote i {
    transform: rotate(180deg);
    display: inline-block;
}

.testimonial-content {
    flex: 1;
    margin-bottom: var(--space-md);
}

.testimonial-content p {
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.85;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.author-avatar span {
    font-size: 1.1rem;
    font-weight: 700;
}

.author-avatar.avatar-blue {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.author-avatar.avatar-green {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.author-avatar.avatar-purple {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.35);
}

.author-avatar.avatar-orange {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.author-info h6 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 2px 0;
}

.author-info span {
    font-size: 0.78rem;
    color: var(--text-light);
}

.testimonial-rating {
    display: flex;
    gap: 2px;
    justify-content: center;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 0.85rem;
}

/* 客户评价统计摘要 - 白色卡片样式 */
.testimonial-summary {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.03);
    margin-top: 50px;
}

.summary-item {
    text-align: center;
    padding: 20px;
}

.summary-value {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: #3b82f6;
    line-height: 1.2;
    margin-bottom: 8px;
}

.summary-value .counter {
    color: #3b82f6;
}

.summary-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ========================================
   合作伙伴区域
   ======================================== */
.partners-section {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
    padding: 60px 0;
    position: relative;
}

.partner-logo {
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: var(--transition-normal);
    cursor: pointer;
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.08) translateY(-3px);
}

.partner-placeholder {
    background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
    padding: 16px 30px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-body);
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-xs);
}

.partner-logo:hover .partner-placeholder {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    color: var(--primary-light);
}

/* ========================================
   CTA 区域 - 渐变动画
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #0ea5e9 100%);
    background-size: 200% 200%;
    animation: ctaGradient 10s ease infinite;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

@keyframes ctaGradient {

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

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

.cta-section::before {
    content: '';
    position: absolute;
    left: -150px;
    top: 50%;
    transform: translateY(-50%) rotate(15deg);
    width: 350px;
    height: 350px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.cta-section::after {
    content: '';
    position: absolute;
    right: -100px;
    bottom: -100px;
    width: 280px;
    height: 280px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(-50%) rotate(15deg) scale(1);
    }

    50% {
        transform: translateY(-50%) rotate(15deg) scale(1.1);
    }
}

.cta-section h2 {
    color: #fff;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.cta-form {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-form .form-control {
    padding: 14px 22px;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    min-width: 200px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
    background: rgba(255, 255, 255, 0.95);
}

.cta-form .form-control:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.25);
    outline: none;
    transform: translateY(-2px);
}

.cta-form .btn {
    padding: 14px 35px;
    background: linear-gradient(135deg, var(--primary-dark), #1e293b);
    border: none;
    border-radius: var(--radius-md);
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cta-form .btn:hover {
    background: linear-gradient(135deg, #000, var(--primary-dark));
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

/* ========================================
   页脚 - 现代深色设计
   ======================================== */
.footer {
    background: linear-gradient(180deg, #0f172a 0%, #020617 100%);
    color: #94a3b8;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.5), var(--accent-green), rgba(59, 130, 246, 0.5), transparent);
}

.footer h5 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1.3rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-green));
    border-radius: 2px;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.92rem;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    position: relative;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 10px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 1rem;
    font-size: 0.92rem;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.footer-contact-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateX(5px);
}

.footer-contact-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(16, 185, 129, 0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.footer-qr {
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.75rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

.footer-qr:hover {
    transform: scale(1.05);
}

.footer-bottom {
    margin-top: var(--space-xl);
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.85rem;
    color: #64748b;
}

.footer-bottom-links a {
    color: #64748b;
    margin-left: 1.2rem;
    font-size: 0.85rem;
    transition: var(--transition-normal);
}

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

/* ========================================
   悬浮组件 - 现代设计
   ======================================== */
.float-buttons {
    position: fixed;
    right: 25px;
    bottom: 100px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-btn {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--primary-light), #2563eb);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
}

.float-btn:hover {
    transform: scale(1.12) translateY(-3px);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.55);
}

.float-btn.back-top {
    background: linear-gradient(135deg, var(--primary-dark), #1e293b);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.float-btn.back-top.visible {
    opacity: 1;
    visibility: visible;
}

/* 客服按钮特殊样式 */
.float-btn.customer-service-toggle {
    flex-direction: column;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.float-btn.customer-service-toggle .toggle-text {
    font-size: 0.65rem;
    margin-top: 2px;
    font-weight: 500;
}

.float-btn.customer-service-toggle:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

/* ========================================
   客服侧边栏
   ======================================== */
.customer-service-sidebar {
    position: fixed;
    top: 0;
    right: -360px;
    width: 360px;
    height: 100vh;
    background: #fff;
    z-index: 9999;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.customer-service-sidebar.active {
    right: 0;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

.sidebar-header {
    padding: 20px 24px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.btn-close-sidebar {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-close-sidebar:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.sidebar-body {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.service-item {
    display: flex;
    align-items: center;
    padding: 16px;
    background: #f8fafc;
    border-radius: 12px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.service-item:hover {
    background: #fff;
    border-color: #e5e7eb;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateX(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-right: 14px;
    flex-shrink: 0;
}

.service-icon.phone {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
}

.service-icon.qq {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.service-icon.wangwang {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #fff;
}

.service-icon.wechat {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
}

.service-info {
    flex: 1;
}

.service-label {
    display: block;
    font-size: 0.8rem;
    color: #9ca3af;
    margin-bottom: 4px;
}

.service-value {
    display: block;
    font-size: 0.95rem;
    color: #1f2937;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.service-value:hover {
    color: #3b82f6;
}

.wechat-item {
    margin-bottom: 0;
    border-radius: 12px 12px 0 0;
}

.wechat-qrcode {
    background: #f0fdf4;
    border-radius: 0 0 12px 12px;
    padding: 20px;
    margin-bottom: 12px;
    border: 1px solid #bbf7d0;
    border-top: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.wechat-qrcode img {
    width: 160px;
    height: 160px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: block;
    margin: 0 auto;
}

.wechat-qrcode p {
    margin: 12px 0 0;
    font-size: 0.85rem;
    color: #059669;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 24px;
    background: #f8fafc;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.sidebar-footer p {
    margin: 0;
    font-size: 0.85rem;
    color: #6b7280;
}

/* 移动端适配 */
@media (max-width: 480px) {
    .customer-service-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .float-btn.customer-service-toggle {
        width: 54px;
        height: 54px;
    }
    
    .float-btn.customer-service-toggle .toggle-text {
        font-size: 0.6rem;
    }
}

/* ========================================
   动画效果
   ======================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

.delay-5 {
    transition-delay: 0.5s;
}

/* ========================================
   页面特定样式
   ======================================== */

/* 解决方案页 */
.pain-point-card {
    background: linear-gradient(135deg, #fff5f5, #fff);
    border-left: 4px solid var(--accent-red);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.solution-card {
    background: linear-gradient(135deg, #f0fdf4, #fff);
    border-left: 4px solid var(--accent-green);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
}

/* 行业应用页 */
.industry-tabs .nav-link {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    color: var(--text-body);
    padding: 10px 22px;
    margin: 0 4px 8px;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    font-weight: 500;
}

.industry-tabs .nav-link:hover,
.industry-tabs .nav-link.active {
    background: var(--primary-light);
    border-color: var(--primary-light);
    color: #fff;
}

/* 服务支持页 - 时间线 */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-light), var(--accent-green));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-lg);
    padding-left: var(--space-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 14px;
    height: 14px;
    background: var(--primary-light);
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

/* 关于我们页 - 团队卡片 */
.team-card {
    text-align: center;
    padding: var(--space-lg);
}

.team-avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 2.8rem;
    color: #fff;
    box-shadow: var(--shadow-md);
}

/* 联系我们页 - 表单 */
.contact-form {
    background: var(--bg-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form .form-control,
.contact-form .form-select {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-info-card {
    background: var(--primary-gradient);
    color: #fff;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    height: 100%;
}

.contact-info-card h4 {
    color: #fff;
    margin-bottom: var(--space-lg);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: var(--space-md);
}

.contact-info-item .icon {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-info-item h6 {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.82rem;
    font-weight: 400;
    margin-bottom: 0.2rem;
}

.contact-info-item p {
    color: #fff;
    margin: 0;
    font-size: 0.95rem;
}

/* ========================================
   响应式设计 - 移动端优先
   ======================================== */

/* 平板设备 (768px - 991px) */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .stat-number {
        font-size: 2.5rem;
    }

    .navbar-phone {
        display: none;
    }

    .news-featured-image {
        height: 180px;
    }

    .advantage-card {
        padding: var(--space-lg);
    }

    .hero-feature-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .hero-feature-card {
        padding: 16px 14px;
    }

    .section-padding {
        padding: 70px 0;
    }

    .float-buttons {
        right: 15px;
        bottom: 80px;
    }

    .float-btn {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }
}

/* 手机设备 (小于 768px) */
@media (max-width: 767px) {
    html {
        font-size: 15px;
    }

    .hero-section {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: 50px;
        background: linear-gradient(135deg, #0f0c29 0%, #1a1a4e 50%, #24243e 100%);
    }

    /* Hero左右间距 */
    .hero-section .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .hero-section .row,
    .hero-section .row.min-vh-100,
    .hero-section .min-vh-100 {
        min-height: auto !important;
    }

    /* 隐藏滚动提示 */
    .hero-section .scroll-indicator {
        display: none;
    }

    .hero-content {
        padding: 20px 0;
    }

    .hero-title {
        font-size: 1.3rem;
        margin-bottom: 1rem;
        line-height: 1.35;
    }

    .hero-title span {
        font-size: inherit;
    }

    .hero-subtitle {
        font-size: 0.88rem;
        margin-bottom: 1.5rem;
        line-height: 1.75;
        max-width: 100%;
        padding: 0;
    }

    .hero-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: flex-start;
    }

    .hero-buttons .btn {
        width: auto;
        text-align: center;
        padding: 10px 16px;
        font-size: 0.82rem;
        min-height: 38px;
    }

    .hero-buttons .btn i {
        font-size: 0.78rem;
        margin-right: 5px !important;
    }

    .hero-buttons .btn.me-3 {
        margin-right: 0 !important;
    }

    .section-padding {
        padding: 50px 0;
    }

    .section-title {
        margin-bottom: var(--space-lg);
    }

    .section-title h2 {
        font-size: 1.6rem;
    }

    .section-title p {
        font-size: 0.95rem;
    }

    .stats-section {
        padding: 40px 0;
    }

    .stat-card {
        padding: var(--space-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .stat-card::after {
        display: none;
    }

    .feature-card {
        padding: var(--space-lg);
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: 1.7rem;
    }

    .feature-card h4 {
        font-size: 1.1rem;
    }

    .product-image {
        height: 160px;
    }

    .case-image {
        height: 160px;
    }

    .case-image i {
        font-size: 2.8rem;
    }

    .case-body {
        padding: var(--space-md);
    }

    .case-stats {
        flex-direction: column;
        gap: 0.8rem;
    }

    .case-stat {
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .case-stat:last-child {
        border-bottom: none;
    }

    .advantage-card {
        padding: var(--space-md);
    }

    .advantage-icon {
        width: 55px;
        height: 55px;
    }

    .advantage-icon i {
        font-size: 1.6rem;
    }

    .news-featured-image {
        height: 160px;
    }

    .news-featured-content {
        padding: var(--space-md);
    }

    .news-featured-content h4 {
        font-size: 1.05rem;
    }

    .news-item {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .news-item-date {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 8px;
    }

    .news-item-date .day,
    .news-item-date .month {
        display: inline;
        font-size: 0.85rem;
    }

    .testimonial-card {
        padding: var(--space-lg);
    }

    .testimonial-quote {
        font-size: 2rem;
        top: 12px;
        right: 12px;
    }

    .testimonial-content p {
        font-size: 0.9rem;
    }

    .summary-value {
        font-size: 1.6rem;
    }

    .testimonial-summary {
        padding: var(--space-md);
    }

    .cta-section {
        padding: 50px 0;
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .cta-section p {
        font-size: 0.95rem;
    }

    .cta-form {
        flex-direction: column;
        align-items: stretch;
        padding: 0 var(--space-md);
    }

    .cta-form .form-control {
        width: 100%;
        min-width: auto;
    }

    .cta-form .btn {
        width: 100%;
    }

    .footer {
        padding-top: 50px;
    }

    .footer h5 {
        margin-top: var(--space-md);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
    }

    .footer-bottom-links {
        margin-top: 0.5rem;
    }

    .footer-bottom-links a {
        margin: 0 0.6rem;
        font-size: 0.8rem;
    }

    .scroll-indicator {
        bottom: 20px;
    }

    .scroll-down {
        padding: 10px 18px;
    }

    .float-buttons {
        right: 12px;
        bottom: 70px;
        gap: 10px;
    }

    .float-btn {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

    /* 移动端导航展开样式 */
    .navbar-collapse {
        background: rgba(15, 12, 41, 0.98);
        margin: 0 -12px;
        padding: 15px 20px;
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        margin-top: 10px;
    }

    .top-navbar .nav-link {
        padding: 12px 15px !important;
        margin: 2px 0;
        border-radius: var(--radius-sm);
    }

    .top-navbar .nav-link:hover,
    .top-navbar .nav-link.active {
        background: rgba(59, 130, 246, 0.2);
    }
}

/* 超小屏幕 (小于 480px) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero-title {
        font-size: 1.7rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title h2 {
        font-size: 1.4rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .feature-card,
    .advantage-card,
    .testimonial-card {
        padding: var(--space-md);
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .product-image,
    .case-image,
    .news-featured-image {
        height: 140px;
    }

    .cta-section h2 {
        font-size: 1.3rem;
    }

    .footer-contact-item {
        padding: 8px 10px;
    }

    .footer-contact-icon {
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }
}

/* 横屏手机优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: 100px 0 50px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .scroll-indicator {
        display: none;
    }
}

/* 高分辨率屏幕优化 */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title h2 {
        font-size: 2.8rem;
    }

    .stat-number {
        font-size: 4rem;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {

    .feature-card:hover,
    .product-card:hover,
    .case-card:hover,
    .advantage-card:hover,
    .testimonial-card:hover,
    .news-featured:hover,
    .news-item:hover {
        transform: none;
    }

    .btn-primary-custom:hover,
    .btn-outline-light-custom:hover {
        transform: none;
    }

    /* 触摸设备上的点击反馈 */
    .feature-card:active,
    .product-card:active,
    .case-card:active {
        transform: scale(0.98);
    }

    .btn-primary-custom:active,
    .btn-outline-light-custom:active {
        transform: scale(0.97);
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .fade-in-up {
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* 深色模式支持 (可选) */
@media (prefers-color-scheme: dark) {
    /* 如需支持深色模式，可在此添加样式 */
}

/* 打印样式 */
@media print {

    .top-navbar,
    .float-buttons,
    .scroll-indicator,
    .cta-section {
        display: none !important;
    }

    .hero-section {
        min-height: auto;
        padding: 20px 0;
        background: #fff;
        color: #000;
    }

    .hero-title,
    .hero-subtitle {
        color: #000;
    }

    body {
        background: #fff;
    }

    .section-padding {
        padding: 30px 0;
    }
}

/* ========================================
   工具类
   ======================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-cyan));
}

.shadow-glow {
    box-shadow: var(--shadow-glow);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

/* 无障碍优化 */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 焦点样式 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* 跳过链接 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-light);
    color: #fff;
    padding: 8px 16px;
    z-index: 9999;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   合作伙伴卡片增强
   ======================================== */
.partner-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 18px 22px;
    background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    min-height: 90px;
    box-shadow: var(--shadow-xs);
}

.partner-card i {
    font-size: 1.6rem;
    color: var(--primary-light);
    transition: var(--transition-normal);
}

.partner-card span {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-body);
    text-align: center;
    transition: color 0.3s ease;
}

.partner-logo:hover .partner-card {
    border-color: var(--primary-light);
    background: linear-gradient(135deg, #eff6ff 0%, #fff 100%);
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.partner-logo:hover .partner-card i {
    transform: scale(1.15);
    color: #2563eb;
}

.partner-logo:hover .partner-card span {
    color: var(--primary-dark);
}

/* 移动端合作伙伴卡片 - 图标变大 */
@media (max-width: 767px) {
    .partner-card {
        padding: 20px 18px;
        min-height: 100px;
    }

    .partner-card i {
        font-size: 2rem;
    }

    .partner-card span {
        font-size: 0.85rem;
        margin-top: 5px;
    }

    .partner-placeholder {
        padding: 18px 24px;
        font-size: 0.88rem;
    }
}

/* ========================================
   额外的移动端优化
   ======================================== */
@media (max-width: 767px) {

    /* 优化移动端间距 */
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    /* 优化移动端按钮 */
    .btn-primary-custom,
    .btn-outline-light-custom {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    /* 优化移动端卡片间距 */
    .row.g-4 {
        --bs-gutter-y: 1rem;
    }

    /* 优化移动端标题 */
    .section-title h2::after {
        width: 40px;
        height: 3px;
    }
}

/* ========================================
   加载状态
   ======================================== */
body:not(.loaded) {
    overflow: hidden;
}

body.loaded .hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* 页面隐藏时暂停动画 */
body.page-hidden .particle,
body.page-hidden .hero-section::after {
    animation-play-state: paused;
}

/* 触摸设备样式 */
body.touch-device .feature-card:hover,
body.touch-device .product-card:hover,
body.touch-device .case-card:hover {
    transform: none;
}

/* ========================================
   页面头部 Banner
   ======================================== */
.page-header {
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 70% 30%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 30% 70%, rgba(6, 182, 212, 0.2) 0%, transparent 45%);
    pointer-events: none;
}

.page-header h1 {
    color: #fff;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 0.8rem;
    position: relative;
    z-index: 1;
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
    margin: 0;
}

/* 关于我们页面特定样式 */
.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-placeholder {
    height: 350px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.3);
}

.about-stat {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
}

.about-stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

.about-stat .stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-stat .stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 4px;
}

/* 文化价值卡片 */
.culture-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    height: 100%;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.culture-card .icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.08));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 1.8rem;
    color: var(--primary-light);
    transition: var(--transition-normal);
}

.culture-card:hover .icon {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    color: #fff;
    transform: scale(1.1);
}

.culture-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.culture-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* 发展历程时间线 */
.history-timeline {
    position: relative;
    padding: 20px 0;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-light), var(--accent-green));
    border-radius: 2px;
}

.history-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.history-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.history-item:nth-child(odd) .history-content {
    text-align: right;
    padding-right: 50px;
    padding-left: 0;
}

.history-item:nth-child(even) .history-content {
    padding-left: 50px;
}

.history-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    color: #fff;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    z-index: 1;
}

.history-content {
    flex: 1;
    max-width: calc(50% - 30px);
}

.history-content h5 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.history-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* 荣誉资质 */
.honor-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    height: 100%;
}

.honor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

.honor-card .icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-sm);
    font-size: 1.5rem;
    color: var(--accent-gold);
}

.honor-card h5 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.honor-card p {
    color: var(--text-light);
    font-size: 0.8rem;
    margin: 0;
}

/* 移动端时间线适配 */
@media (max-width: 767px) {
    .history-timeline::before {
        left: 20px;
    }

    .history-item,
    .history-item:nth-child(odd) {
        flex-direction: column;
    }

    .history-year {
        left: 20px;
        transform: translateX(0);
        position: relative;
        margin-bottom: 15px;
        display: inline-block;
    }

    .history-content,
    .history-item:nth-child(odd) .history-content {
        max-width: 100%;
        padding-left: 50px;
        padding-right: 0;
        text-align: left;
    }

    .page-header {
        padding: 120px 0 60px;
    }

    .about-img-placeholder {
        height: 250px;
        font-size: 4rem;
    }
}

/* ========================================
   产品中心页面样式
   ======================================== */
.product-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--space-xl);
}

.filter-btn {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    color: var(--text-body);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-cyan));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.product-card-new {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    cursor: pointer;
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.product-img-wrapper {
    position: relative;
    height: 180px;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    overflow: hidden;
}

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

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

.product-tag {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    color: #fff;
}

.product-tag.hot {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.product-tag.new {
    background: linear-gradient(135deg, var(--accent-green), #059669);
}

.product-tag.recommend {
    background: linear-gradient(135deg, var(--primary-light), #2563eb);
}

.product-info-new {
    padding: var(--space-md);
}

.product-info-new h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.product-info-new p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-inquiry {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, var(--primary-light), #2563eb);
    border: none;
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-inquiry:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

/* 产品详情模态框 */
.product-modal .modal-content {
    border-radius: var(--radius-lg);
    border: none;
    overflow: hidden;
}

.product-modal .modal-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    color: #fff;
    border: none;
    padding: var(--space-md) var(--space-lg);
}

.product-modal .modal-title {
    font-weight: 600;
}

.product-modal .btn-close {
    filter: brightness(0) invert(1);
}

.product-modal .modal-body {
    padding: var(--space-lg);
}

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

.product-spec-list li {
    display: flex;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.product-spec-list .spec-label {
    width: 120px;
    color: var(--text-light);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.product-spec-list .spec-value {
    color: var(--text-dark);
    font-size: 0.9rem;
}

/* 解决方案页面样式 */
.solution-hero {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    padding: var(--space-2xl) 0;
    color: #fff;
}

.solution-card-large {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-xl);
}

.solution-card-large .solution-image {
    height: 300px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-card-large .solution-image i {
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.3);
}

.solution-card-large .solution-content {
    padding: var(--space-xl);
}

/* 行业应用页面样式 */
.industry-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    height: 100%;
}

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

.industry-card .industry-image {
    height: 180px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.industry-card .industry-image i {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.industry-card .industry-content {
    padding: var(--space-lg);
}

.industry-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.industry-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* 服务支持页面样式 */
.support-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
    height: 100%;
}

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

.support-card .icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.08));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 2rem;
    color: var(--primary-light);
    transition: var(--transition-normal);
}

.support-card:hover .icon {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-green));
    color: #fff;
    transform: scale(1.1);
}

.support-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.support-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* FAQ 手风琴样式 */
.faq-accordion .accordion-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) !important;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-accordion .accordion-button {
    font-weight: 600;
    color: var(--text-dark);
    background: var(--bg-white);
    padding: 18px 20px;
}

.faq-accordion .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(16, 185, 129, 0.03));
    color: var(--primary-light);
}

.faq-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: var(--primary-light);
}

.faq-accordion .accordion-body {
    color: var(--text-body);
    line-height: 1.7;
}

/* 下载中心样式 */
.download-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-card);
    transition: var(--transition-normal);
}

.download-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.download-card .file-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.08));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

.download-card .file-info {
    flex: 1;
}

.download-card .file-info h6 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
}

.download-card .file-info span {
    font-size: 0.8rem;
    color: var(--text-light);
}

.download-card .btn-download {
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-light), #2563eb);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.download-card .btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* 移动端适配 */
@media (max-width: 767px) {
    .product-filter {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.82rem;
    }

    .product-img-wrapper {
        height: 150px;
    }

    .download-card {
        flex-direction: column;
        text-align: center;
    }

    .download-card .file-info {
        text-align: center;
    }
}

/* ========================================
   移动端页脚优化 - 超紧凑布局
   ======================================== */
@media (max-width: 767px) {
    .footer {
        padding-top: 35px;
    }

    /* 让前三个栏目并排显示 */
    .footer>.container>.row {
        display: flex;
        flex-wrap: wrap;
    }

    .footer>.container>.row>[class*="col-lg-3"]:nth-child(1),
    .footer>.container>.row>[class*="col-lg-3"]:nth-child(2),
    .footer>.container>.row>[class*="col-lg-3"]:nth-child(3) {
        flex: 0 0 33.333%;
        max-width: 33.333%;
        padding: 0 10px;
    }

    /* 联系我们单独一行 */
    .footer>.container>.row>[class*="col-lg-3"]:nth-child(4) {
        flex: 0 0 100%;
        max-width: 100%;
        margin-top: 22px;
        padding: 0 10px;
    }

    .footer h5 {
        font-size: 0.85rem;
        margin-bottom: 0.6rem;
        margin-top: 0;
        line-height: 1.4;
    }

    .footer h5::after {
        width: 16px;
        height: 2px;
        bottom: -4px;
    }

    /* 链接单列紧凑显示 */
    .footer-links {
        display: block;
    }

    .footer-links li {
        margin-bottom: 0.35rem;
    }

    .footer-links a {
        font-size: 0.78rem;
        line-height: 1.45;
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    /* 联系信息横向排列 */
    .footer>.container>.row>[class*="col-lg-3"]:nth-child(4) .footer-contact-item {
        display: inline-flex;
        margin-right: 12px;
        margin-bottom: 8px;
        padding: 5px 10px;
        font-size: 0.78rem;
        background: rgba(255, 255, 255, 0.05);
        line-height: 1.35;
    }

    .footer-contact-icon {
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }

    /* 底部版权区域 */
    .footer-bottom {
        margin-top: 22px;
        padding: 16px 0;
        gap: 0.5rem;
    }

    .footer-bottom p {
        font-size: 0.75rem;
        line-height: 1.5;
    }

    .footer-bottom-links a {
        font-size: 0.75rem;
        margin: 0 0.5rem;
        line-height: 1.5;
    }
}

/* 超小屏幕 */
@media (max-width: 480px) {
    .footer {
        padding-top: 25px;
    }

    .footer h5 {
        font-size: 0.78rem;
        margin-bottom: 0.5rem;
    }

    .footer-links a {
        font-size: 0.7rem;
    }

    .footer-links li {
        margin-bottom: 0.25rem;
    }

    .footer>.container>.row>[class*="col-lg-3"]:nth-child(4) .footer-contact-item {
        font-size: 0.72rem;
        padding: 4px 8px;
        margin-right: 10px;
    }

    .footer-contact-icon {
        width: 20px;
        height: 20px;
        font-size: 0.68rem;
    }
}

/* ========================================
   移动端用户体验增强 - 统一样式系统
   ======================================== */

/* === 移动端字体规范 - 固定统一值 === */
@media (max-width: 767px) {
    body {
        font-size: 14px;
        line-height: 1.7;
    }

    /* 统一标题大小 - 固定值，全站一致 */
    h1 {
        font-size: 1.5rem;
        /* 24px */
        line-height: 1.35;
        margin-bottom: 0.8rem;
    }

    h2 {
        font-size: 1.25rem;
        /* 20px */
        line-height: 1.4;
        margin-bottom: 0.7rem;
    }

    h3 {
        font-size: 1.1rem;
        /* 17.6px */
        line-height: 1.4;
        margin-bottom: 0.6rem;
    }

    h4 {
        font-size: 1rem;
        /* 16px */
        line-height: 1.45;
        margin-bottom: 0.5rem;
    }

    h5 {
        font-size: 0.95rem;
        /* 15.2px */
        line-height: 1.45;
        margin-bottom: 0.4rem;
    }

    h6 {
        font-size: 0.88rem;
        /* 14px */
        line-height: 1.45;
        margin-bottom: 0.3rem;
    }

    p {
        font-size: 0.88rem;
        /* 14px */
        line-height: 1.75;
        margin-bottom: 0.8rem;
    }
}

/* === 移动端按钮统一样式 === */
@media (max-width: 767px) {

    /* 所有按钮的基础样式 - 紧凑大小 */
    .btn,
    button:not(.navbar-toggler):not(.accordion-button):not(.btn-close-custom),
    [type="button"],
    [type="submit"] {
        min-height: 40px;
        font-size: 0.85rem !important;
        padding: 10px 18px !important;
        border-radius: var(--radius-md);
        line-height: 1.35;
    }

    /* 主要按钮 */
    .btn-primary,
    .btn-primary-custom {
        padding: 10px 20px !important;
        font-size: 0.85rem !important;
        font-weight: 600;
    }

    /* 次要/边框按钮 - 和主按钮保持一致 */
    .btn-outline-primary,
    .btn-outline-light,
    .btn-outline-light-custom {
        padding: 10px 20px !important;
        font-size: 0.85rem !important;
    }

    /* 小按钮 */
    .btn-sm {
        min-height: 36px;
        padding: 8px 14px !important;
        font-size: 0.8rem !important;
    }

    /* 大按钮 */
    .btn-lg {
        min-height: 44px;
        padding: 11px 22px !important;
        font-size: 0.88rem !important;
    }

    /* 全宽按钮 - 移动端常用 */
    .btn-block-mobile {
        width: 100%;
        display: block;
    }
}

/* === 页面头部统一样式 === */
@media (max-width: 767px) {
    .page-header {
        padding: 110px 0 60px !important;
        text-align: center;
    }

    .page-header h1 {
        font-size: 1.5rem !important;
        margin-bottom: 0.8rem;
        line-height: 1.35;
        padding: 0 15px;
    }

    .page-header p {
        font-size: 0.9rem !important;
        opacity: 0.95;
        padding: 0 20px;
        line-height: 1.7;
        margin-top: 0.5rem;
    }
}

/* === 区块标题统一样式 === */
@media (max-width: 767px) {
    .section-title {
        margin-bottom: 30px;
        padding: 0 10px;
    }

    .section-title h2 {
        font-size: 1.25rem !important;
        margin-bottom: 0.8rem;
        line-height: 1.4;
    }

    .section-title h2::after {
        width: 35px;
        height: 3px;
        bottom: -8px;
    }

    .section-title p {
        font-size: 0.85rem !important;
        margin-top: 1rem;
        line-height: 1.7;
    }
}

/* === 卡片组件统一样式 === */
@media (max-width: 767px) {

    /* 功能卡片 */
    .feature-card {
        padding: 24px 20px;
    }

    .feature-card h4 {
        font-size: 1rem !important;
        margin-bottom: 0.6rem;
        line-height: 1.4;
    }

    .feature-card p {
        font-size: 0.85rem !important;
        line-height: 1.7;
        margin-bottom: 0.5rem;
    }

    .feature-icon {
        width: 58px;
        height: 58px;
        font-size: 1.45rem;
        margin-bottom: 15px;
    }

    /* 产品卡片 - 居中显示 */
    .product-card,
    .product-card-new {
        margin-bottom: 15px;
    }

    .product-body,
    .product-info-new {
        padding: 15px 14px;
        text-align: center;
    }

    .product-body h5,
    .product-info-new h5 {
        font-size: 0.95rem !important;
        margin-bottom: 0.4rem;
        line-height: 1.4;
    }

    .product-body p,
    .product-info-new p {
        font-size: 0.82rem !important;
        margin-bottom: 12px;
        line-height: 1.6;
    }

    /* 产品按钮居中 */
    .product-body .btn,
    .product-info-new .btn {
        display: block;
        margin: 0 auto;
        width: fit-content;
    }

    /* 案例卡片 */
    .case-body {
        padding: 18px 16px;
    }

    .case-body h5 {
        font-size: 0.95rem !important;
        margin-bottom: 0.5rem;
        line-height: 1.4;
    }

    .case-body p {
        font-size: 0.85rem !important;
        line-height: 1.6;
        margin-bottom: 0.6rem;
    }

    .case-stat-value {
        font-size: 1.3rem !important;
    }

    .case-stat-label {
        font-size: 0.72rem !important;
        margin-top: 3px;
    }

    /* 优势卡片 - 居中显示 */
    .advantage-card {
        padding: 22px 18px;
        text-align: center;
    }

    .advantage-card h5 {
        font-size: 0.95rem !important;
        margin-bottom: 0.5rem;
        line-height: 1.4;
    }

    .advantage-card>p {
        font-size: 0.85rem !important;
        margin-bottom: 0.8rem;
        line-height: 1.7;
    }

    .advantage-icon {
        margin: 0 auto 15px;
    }

    .advantage-list {
        text-align: left;
        display: inline-block;
    }

    .advantage-list li {
        font-size: 0.82rem !important;
        padding: 5px 0;
        line-height: 1.45;
    }

    /* 评价卡片 */
    .testimonial-card {
        padding: 22px 18px;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .testimonial-content {
        text-align: center;
    }

    .testimonial-content p {
        font-size: 0.85rem !important;
        line-height: 1.75;
        margin-bottom: 0.8rem;
    }

    /* 评价用户信息 - 保持在一起但整体居中 */
    .testimonial-author {
        justify-content: center;
        flex-wrap: nowrap;
        width: 100%;
        max-width: fit-content;
        margin: 0 auto;
    }

    .author-avatar {
        margin: 0;
        flex-shrink: 0;
    }

    .author-info {
        text-align: center;
        width: 100%;
    }

    .author-info h6 {
        font-size: 0.88rem !important;
        line-height: 1.4;
    }

    .author-info span {
        font-size: 0.75rem !important;
        line-height: 1.4;
    }

    /* 评分星星与用户信息对齐 - 与author-info同宽 */
    .testimonial-rating {
        justify-content: center;
        margin-top: 8px;
        width: 100%;
        max-width: fit-content;
        margin-left: auto;
        margin-right: auto;
        display: flex;
        align-items: center;
    }

    /* 确保星星和用户信息区域对齐 */
    .testimonial-card {
        align-items: stretch;
    }

    .testimonial-author,
    .testimonial-rating {
        align-self: center;
    }
}

/* === 表单组件统一样式 === */
@media (max-width: 767px) {

    .form-control,
    .form-select {
        min-height: 50px;
        font-size: var(--mobile-font-md) !important;
        padding: 13px 16px;
        border-radius: var(--radius-md);
        line-height: 1.5;
    }

    .form-label {
        font-size: var(--mobile-font-sm) !important;
        margin-bottom: 7px;
        font-weight: 500;
        line-height: 1.4;
    }

    textarea.form-control {
        min-height: 110px;
        line-height: 1.7;
    }

    /* 联系表单 */
    .contact-form {
        padding: 22px 18px;
    }

    .contact-form h3 {
        font-size: 1.1rem !important;
        margin-bottom: 18px;
        line-height: 1.4;
    }

    .contact-form .form-label {
        font-size: 0.85rem !important;
        margin-bottom: 6px;
    }

    .contact-form .form-control,
    .contact-form .form-select {
        font-size: 0.9rem !important;
        padding: 10px 14px;
        min-height: 44px;
    }

    /* CTA表单 */
    .cta-form {
        padding: 0 15px;
    }

    .cta-form .form-control {
        width: 100%;
        margin-bottom: 10px;
        font-size: 0.9rem !important;
    }

    .cta-form .btn {
        width: 100%;
    }
}

/* === 导航栏移动端优化 === */
@media (max-width: 767px) {
    .top-navbar {
        padding: 8px 0;
    }

    .top-navbar .navbar-brand {
        font-size: 1.05rem;
        gap: 8px;
    }

    .top-navbar .navbar-brand svg {
        width: 32px;
        height: 32px;
    }

    .navbar-collapse {
        background: rgba(15, 12, 41, 0.98);
        margin: 10px -15px 0;
        padding: 15px 18px 18px;
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .top-navbar .nav-link {
        padding: 12px 15px !important;
        margin: 3px 0;
        font-size: 0.9rem !important;
        border-radius: var(--radius-sm);
        line-height: 1.4;
    }

    /* 移动端隐藏导航链接的下划线 */
    .top-navbar .nav-link::after {
        display: none !important;
    }

    .navbar-toggler {
        padding: 6px 10px;
        border-width: 1.5px;
    }
}

/* === 统计数据区域优化 === */
@media (max-width: 767px) {
    .stats-section {
        padding: 35px 0;
    }

    .stat-card {
        padding: 15px 10px;
        text-align: center;
    }

    .stat-number {
        font-size: 1.8rem !important;
        line-height: 1.2;
        margin-bottom: 0.3rem;
    }

    .stat-label {
        font-size: 0.82rem !important;
        margin-top: 4px;
        line-height: 1.4;
    }

    /* About页面统计 */
    .about-stat {
        padding: 12px 10px;
    }

    .about-stat .stat-value {
        font-size: 1.5rem !important;
        line-height: 1.2;
    }

    .about-stat .stat-label {
        font-size: 0.8rem !important;
        margin-top: 4px;
        line-height: 1.4;
    }
}

/* === CTA区域优化 === */
@media (max-width: 767px) {
    .cta-section {
        padding: 45px 0;
    }

    .cta-section h2 {
        font-size: 1.25rem !important;
        margin-bottom: 0.7rem;
        line-height: 1.4;
        padding: 0 15px;
    }

    .cta-section p {
        font-size: 0.88rem !important;
        margin-bottom: 1.5rem;
        padding: 0 20px;
        line-height: 1.7;
    }
}

/* === 新闻列表优化 === */
@media (max-width: 767px) {
    .news-featured-content {
        padding: 18px 16px;
        text-align: center;
    }

    .news-featured-content h4 {
        font-size: 0.95rem !important;
        line-height: 1.5;
        margin-bottom: 0.6rem;
    }

    .news-featured-content p {
        font-size: 0.85rem !important;
        line-height: 1.65;
    }

    /* 新闻按钮居中 */
    .news-featured-content .btn,
    .news-card .btn,
    .news-featured .btn {
        display: block;
        margin: 15px auto 0;
        width: fit-content;
    }

    .news-meta {
        justify-content: center;
    }

    .news-meta span {
        font-size: 0.75rem !important;
    }

    .news-item {
        padding: 14px 12px;
        text-align: center;
    }

    .news-item-date {
        margin: 0 auto 10px;
    }

    .news-item-content {
        text-align: center;
    }

    .news-item-content h5 {
        font-size: 0.88rem !important;
        white-space: normal;
        line-height: 1.45;
        margin-bottom: 0.4rem;
    }

    .news-item-content p {
        font-size: 0.78rem !important;
        line-height: 1.55;
    }

    .news-tag {
        font-size: 0.68rem !important;
        padding: 2px 8px;
        display: inline-block;
        margin: 0 auto;
    }

    /* 新闻列表按钮居中 */
    .news-item .btn {
        display: block;
        margin: 10px auto 0;
        width: fit-content;
    }
}

/* === 时间线优化 === */
@media (max-width: 767px) {
    .timeline-container {
        padding-left: 30px;
    }

    .timeline-container::before {
        left: 10px;
        width: 2px;
    }

    .timeline-item {
        padding-left: 20px;
        padding-bottom: 25px;
    }

    .timeline-item::before {
        left: -26px;
        width: 12px;
        height: 12px;
    }

    .timeline-year {
        font-size: 1.2rem !important;
        margin-bottom: 5px;
    }

    .timeline-content h5 {
        font-size: var(--mobile-font-md) !important;
    }

    .timeline-content p {
        font-size: var(--mobile-font-sm) !important;
    }
}

/* === 文化/荣誉卡片优化 === */
@media (max-width: 767px) {
    .culture-card {
        padding: 22px 18px;
    }

    .culture-card h4,
    .culture-icon+h4 {
        font-size: 1rem !important;
        margin-bottom: 0.5rem;
        line-height: 1.4;
    }

    .culture-card p {
        font-size: 0.85rem !important;
        line-height: 1.65;
    }

    .culture-icon {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
        margin-bottom: 14px;
    }

    .honor-card {
        padding: 18px 15px;
    }

    .honor-card p {
        font-size: 0.82rem !important;
        margin: 0;
        line-height: 1.5;
    }

    .honor-icon {
        width: 48px;
        height: 48px;
        font-size: 1.15rem;
        margin-bottom: 10px;
    }
}

/* === 联系信息卡片优化 === */
@media (max-width: 767px) {
    .contact-info-card {
        padding: 28px 22px;
        margin-top: 25px;
    }

    .contact-info-card h4 {
        font-size: var(--mobile-font-lg) !important;
        margin-bottom: 22px;
        line-height: 1.4;
    }

    .contact-info-item {
        margin-bottom: 20px;
    }

    .contact-info-item .icon {
        width: 44px;
        height: 44px;
        font-size: 1.15rem;
    }

    .contact-info-item h6 {
        font-size: 12px !important;
        line-height: 1.4;
    }

    .contact-info-item p {
        font-size: var(--mobile-font-sm) !important;
        line-height: 1.5;
    }

    .social-icon {
        width: 42px;
        height: 42px;
        font-size: 1.05rem;
    }
}

/* === 服务步骤/流程优化 === */
@media (max-width: 767px) {

    .service-step,
    .process-step {
        padding: 15px 10px;
    }

    .step-icon,
    .process-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }

    .step-icon i,
    .process-icon i {
        font-size: 1.5rem;
    }

    .step-num,
    .process-number {
        width: 22px;
        height: 22px;
        font-size: 10px;
        top: -3px;
        right: -3px;
    }

    .service-step h6,
    .process-step h6 {
        font-size: var(--mobile-font-sm) !important;
        margin-bottom: 4px;
    }

    .process-step .small {
        font-size: 11px !important;
        line-height: 1.4;
    }
}

/* === 下载中心优化 === */
@media (max-width: 767px) {
    .download-card {
        padding: 20px 15px;
        text-align: center;
    }

    .download-icon {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
        margin-bottom: 12px;
    }

    .download-card h5 {
        font-size: var(--mobile-font-md) !important;
        margin-bottom: 4px;
    }

    .download-card p {
        font-size: var(--mobile-font-sm) !important;
        margin-bottom: 12px;
    }
}

/* === FAQ手风琴优化 === */
@media (max-width: 767px) {
    .accordion-item {
        margin-bottom: 8px;
    }

    .accordion-button {
        padding: 14px 16px;
        font-size: var(--mobile-font-md) !important;
        line-height: 1.5;
    }

    .accordion-body {
        padding: 15px 16px;
        font-size: var(--mobile-font-sm) !important;
        line-height: 1.7;
    }
}

/* === 产品筛选按钮优化 === */
@media (max-width: 767px) {
    .product-filter {
        gap: 8px;
        margin-bottom: 25px;
        padding: 0 10px;
    }

    .filter-btn {
        padding: 10px 16px;
        font-size: var(--mobile-font-sm) !important;
        min-height: 40px;
    }
}

/* === 行业案例详情卡片优化 === */
@media (max-width: 767px) {
    .case-detail-card {
        border-radius: 12px;
    }

    .case-detail-image {
        min-height: 200px !important;
    }

    .case-detail-image i {
        font-size: 4rem !important;
    }

    .industry-tag {
        padding: 5px 12px;
        font-size: 11px !important;
    }

    .case-detail-body {
        padding: 25px 20px !important;
    }

    .case-detail-body h3 {
        font-size: var(--mobile-font-lg) !important;
        margin-bottom: 18px;
    }

    .case-section {
        margin-bottom: 15px;
    }

    .case-section h6 {
        font-size: var(--mobile-font-sm) !important;
    }

    .case-section p {
        font-size: var(--mobile-font-sm) !important;
    }

    .result-stats {
        gap: 15px;
    }

    .result-item .value {
        font-size: 1.5rem !important;
    }

    .result-item .label {
        font-size: 11px !important;
    }
}

/* === 悬浮按钮优化 === */
@media (max-width: 767px) {
    .float-buttons {
        right: 12px;
        bottom: 80px;
        gap: 10px;
    }

    .float-btn {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }
}

/* === 间距统一优化 === */
@media (max-width: 767px) {
    .section-padding {
        padding: 50px 0;
    }

    .container {
        padding-left: 18px;
        padding-right: 18px;
    }

    .row.g-4 {
        --bs-gutter-x: 15px;
        --bs-gutter-y: 18px;
    }

    .row.g-5 {
        --bs-gutter-x: 18px;
        --bs-gutter-y: 25px;
    }

    .mb-4 {
        margin-bottom: 1.2rem !important;
    }

    .mb-5 {
        margin-bottom: 1.8rem !important;
    }

    .mt-4 {
        margin-top: 1.2rem !important;
    }

    .mt-5 {
        margin-top: 1.8rem !important;
    }

    .py-4 {
        padding-top: 1.2rem !important;
        padding-bottom: 1.2rem !important;
    }

    .py-5 {
        padding-top: 1.8rem !important;
        padding-bottom: 1.8rem !important;
    }
}

/* === 超小屏幕进一步优化 === */
@media (max-width: 480px) {
    body {
        font-size: 13px;
    }

    h1 {
        font-size: 1.25rem;
    }

    h2 {
        font-size: 1.1rem;
    }

    h3 {
        font-size: 0.95rem;
    }

    h4 {
        font-size: 0.9rem;
    }

    h5 {
        font-size: 0.85rem;
    }

    h6 {
        font-size: 0.8rem;
    }

    p {
        font-size: 0.8rem;
    }

    .page-header {
        padding: 100px 0 50px !important;
    }

    .page-header h1 {
        font-size: 1.25rem !important;
        margin-bottom: 0.6rem;
    }

    .page-header p {
        font-size: 0.82rem !important;
        margin-top: 0.4rem;
    }

    .section-padding {
        padding: 28px 0;
    }

    .section-title h2 {
        font-size: 1.1rem !important;
    }

    .section-title p {
        font-size: 0.78rem !important;
    }

    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    /* 超小屏幕卡片进一步压缩 */
    .feature-card,
    .advantage-card,
    .testimonial-card,
    .culture-card {
        padding: 16px 12px;
    }

    .feature-icon,
    .culture-icon {
        width: 45px;
        height: 45px;
        font-size: 1.15rem;
    }

    /* 按钮统一 - 更紧凑 */
    .btn,
    button:not(.navbar-toggler):not(.accordion-button):not(.btn-close-custom) {
        padding: 8px 14px !important;
        font-size: 0.8rem !important;
        min-height: 36px;
    }

    .btn-lg {
        padding: 9px 18px !important;
        font-size: 0.82rem !important;
        min-height: 38px;
    }

    /* Hero区域 - 超小屏 */
    .hero-section {
        padding-top: 75px !important;
        padding-bottom: 45px !important;
    }

    .hero-content {
        padding: 15px 0;
    }

    .hero-title {
        font-size: 1.2rem !important;
        margin-bottom: 0.8rem !important;
    }

    .hero-subtitle {
        font-size: 0.82rem !important;
        margin-bottom: 1.2rem !important;
        line-height: 1.7;
    }

    .hero-buttons {
        gap: 8px !important;
    }

    .hero-buttons .btn {
        padding: 8px 12px !important;
        font-size: 0.75rem !important;
        min-height: 34px !important;
    }

    .hero-buttons .btn i {
        font-size: 0.72rem !important;
        margin-right: 4px !important;
    }
}

/* === 横屏手机优化 === */
@media (max-width: 767px) and (orientation: landscape) {
    .page-header {
        padding: 90px 0 40px !important;
    }

    .section-padding {
        padding: 35px 0;
    }

    .hero-section {
        min-height: auto;
        padding: 100px 0 50px;
    }
}

/* === 安全区域适配 (iPhone X等刘海屏) === */
@supports (padding: max(0px)) {
    @media (max-width: 767px) {
        .top-navbar {
            padding-top: max(8px, env(safe-area-inset-top));
            padding-left: max(12px, env(safe-area-inset-left));
            padding-right: max(12px, env(safe-area-inset-right));
        }

        .footer {
            padding-bottom: max(20px, env(safe-area-inset-bottom));
        }

        .float-buttons {
            right: max(12px, env(safe-area-inset-right));
            bottom: max(80px, calc(80px + env(safe-area-inset-bottom)));
        }
    }
}