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

html {
    overflow-x: hidden;
    width: 100%;
    /* 确保 html 元素不阻止滚动 */
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    /* 移除 CSS 的 scroll-behavior，使用 JS 控制以获得更好的性能 */
    /* scroll-behavior: smooth; */
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
    /* 让 body 自然增长，不设置 overflow-y */
    overflow-x: hidden;
    /* 防止移动端出现横向滚动条 */
    max-width: 100vw;
    position: relative;
    /* 优化移动端滚动性能 */
    -webkit-overflow-scrolling: touch;
    /* 确保 body 最小高度 */
    min-height: 100vh;
    margin: 0;
    padding: 0;
    /* 移除 touch-action 以避免滚动冲突 */
    /* touch-action: pan-y; */
}

/* 滚动条美化 - 仅适用于桌面端 */
@media (min-width: 769px) {
    ::-webkit-scrollbar {
        width: 10px;
    }

    ::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    ::-webkit-scrollbar-thumb {
        background: linear-gradient(135deg, #ff6b35, #ff8c42);
        border-radius: 5px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: linear-gradient(135deg, #e55a2b, #ff6b35);
    }
}

/* 页面加载动画 - 优化用户体验 */
body {
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

body.loaded {
    opacity: 1;
}

/* 防止任何元素超出屏幕 */
* {
    max-width: 100%;
}

/* 平滑的淡入效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 语言切换按钮 */
.language-switch {
    position: fixed;
    top: 20px;
    right: 5px;
    z-index: 1001;
    /* 移除持续浮动动画，避免滚动卡顿 */
    /* animation: langButtonFloat 1.5s ease-in-out infinite; */
    /* 确保按钮始终可见 */
    visibility: visible !important;
    opacity: 1 !important;
    /* 防止超出屏幕 */
    max-width: calc(100vw - 10px);
}

@keyframes langButtonFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.lang-btn {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    /* 确保按钮内容完整显示 */
    white-space: nowrap;
    max-width: 100%;
}

.lang-btn:hover {
    background: linear-gradient(135deg, #e55a2b, #ff6b35);
    transform: translateY(-3px) scale(1.08);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
}

.lang-btn:active {
    transform: translateY(-1px) scale(1.05);
}

.lang-icon {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.lang-btn:hover .lang-icon {
    transform: rotate(20deg);
}

.lang-text {
    font-size: 16px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    max-width: 100vw;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 50%, #ffa050 100%);
    color: white;
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1), 0 2px 10px rgba(255,107,53,0.2);
    transition: box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    /* 防止超出屏幕 */
    left: 0;
    right: 0;
    /* 性能优化：使用 GPU 加速 */
    will-change: box-shadow;
    transform: translateZ(0);
}

.navbar-scrolled {
    background: rgba(255, 107, 53, 0.98);
    padding: 12px 0;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2), 0 4px 15px rgba(255,107,53,0.3);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    /* 防止容器超出 */
    width: 100%;
    box-sizing: border-box;
}

.nav-logo {
    font-size: 22px;
    font-weight: bold;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    /* 优化 logo 显示，确保英文名称完整显示 */
    max-width: none; /* 移除最大宽度限制 */
    overflow: visible; /* 允许内容溢出显示 */
    text-overflow: unset; /* 移除省略号 */
}

.logo-icon {
    font-size: 28px;
}

.nav-logo:hover {
    transform: scale(1.05) rotate(-3deg);
}

.logo-text {
    font-size: 22px;
}

.logo-text-en {
    display: block;
    font-size: 22px; /* 与中文保持一致 */
    opacity: 0.9;
    margin-top: 0;
    white-space: nowrap;
    letter-spacing: 0.5px; /* 增加字间距，提升可读性 */
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link, .nav-link-en {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    position: relative;
}

.nav-link::after, .nav-link-en::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: rgba(255,255,255,0.8);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after, .nav-link-en:hover::after,
.nav-link.active::after, .nav-link-en.active::after {
    width: 100%;
}

.nav-link:hover, .nav-link-en:hover {
    background: rgba(255,255,255,0.35); /* 加深背景色，从 0.25 提升到 0.35 */
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 4px 15px rgba(255,255,255,0.3); /* 加深阴影 */
}

.nav-link.active, .nav-link-en.active {
    background: rgba(255,255,255,0.4); /* 加深活动状态背景，从 0.3 提升到 0.4 */
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255,255,255,0.4); /* 加深阴影 */
}

.nav-icon {
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.nav-link:hover .nav-icon {
    transform: scale(1.3) rotate(15deg);
}

.nav-text {
    font-size: 0.9rem; /* 稍微减小字体 */
    white-space: nowrap; /* 确保文字不换行 */
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

.bar {
    background: white;
}

/* Banner 样式 - 使用背景图片轮播增强视觉效果 */
.banner {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

/* 背景图片轮播层 */
.banner-bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.banner-bg-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 渐变遮罩层 - 确保文字可读 */
.banner-bg-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 60, 110, 0.85), rgba(26, 60, 110, 0.75));
}

.banner-bg-slide.active {
    opacity: 1;
}

/* 轮播指示器 - 调整位置到屏幕底部 */
.banner-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.banner-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.banner-indicator:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.banner-indicator.active {
    background: #ff6b35;
    border-color: #ff6b35;
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.6);
}

/* ===== 子页面 Hero 区域背景轮播样式 ===== */
.detail-hero {
    position: relative;
    overflow: hidden;
}

/* 背景图片轮播层 */
.hero-bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 渐变遮罩层 */
.hero-bg-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 60, 110, 0.9), rgba(26, 60, 110, 0.8));
}

.hero-bg-slide.active {
    opacity: 1;
}

/* 轮播指示器 */
.hero-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.hero-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.hero-indicator:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.hero-indicator.active {
    background: #ff6b35;
    border-color: #ff6b35;
    transform: scale(1.3);
    box-shadow: 0 0 8px rgba(255, 107, 53, 0.6);
}

/* Hero 内容层确保在轮播层之上 */
.detail-hero .hero-content,
.detail-hero .hero-icons,
.detail-hero h1,
.detail-hero p {
    position: relative;
    z-index: 5;
}

/* 添加动态光效 */
.banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    /* 移除旋转动画以避免滚动卡顿 */
    /* animation: rotate 30s linear infinite; */
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 粒子效果层 */
.banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,107,53,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(26,60,110,0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255,140,66,0.08) 0%, transparent 50%);
    /* 移除浮动动画以避免滚动卡顿 */
    /* animation: particleFloat 20s ease-in-out infinite; */
    pointer-events: none;
}

@keyframes particleFloat {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.banner-content {
    max-width: 900px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* Banner 装饰图标 */
.banner-icons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 25px;
}

.banner-icon {
    font-size: 2.5rem;
    animation: bannerIconFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(255,255,255,0.3));
}

.banner-icon:nth-child(1) {
    animation-delay: 0s;
}

.banner-icon:nth-child(2) {
    animation-delay: 0.3s;
}

.banner-icon:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes bannerIconFloat {
    0%, 100% { 
        transform: translateY(0) rotate(0deg);
        opacity: 0.9;
    }
    50% { 
        transform: translateY(-10px) rotate(5deg);
        opacity: 1;
    }
}

.banner-slogan {
    margin-bottom: 30px;
    text-align: center;
    /* 移除进入动画，避免页面加载时滚动卡顿 */
    /* animation: fadeInUp 1s ease; */
    /* 确保内容居中显示 */
    display: block;
    width: 100%;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner-title-large {
    font-size: 3.5rem;
    font-weight: bold;
    margin: 0 0 20px 0;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.4);
    line-height: 1.3;
    color: #ff3333;
    letter-spacing: 3px;
    position: relative;
    z-index: 1;
    white-space: normal;
    text-align: center;
    animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes titlePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes glow {
    0%, 100% { 
        text-shadow: 3px 3px 6px rgba(0,0,0,0.4), 
                     0 0 20px rgba(255,51,51,0.3),
                     0 0 40px rgba(255,51,51,0.2);
    }
    50% { 
        text-shadow: 3px 3px 6px rgba(0,0,0,0.4), 
                     0 0 30px rgba(255,51,51,0.6),
                     0 0 60px rgba(255,51,51,0.4);
    }
}

.banner-title-small {
    font-size: 2.2rem;
    font-weight: 300;
    margin: 0 0 10px 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    line-height: 1.4;
    color: #ff6666;
    opacity: 0.95;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

@keyframes subtitleSlide {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner-chinese {
    font-size: 1.3rem;
    margin-bottom: 80px;
    opacity: 0.9;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out 0.9s both;
}

/* 响应式适配：在小屏幕设备上允许换行 */
@media (max-width: 768px) {
    .banner-title-large {
        font-size: 2.2rem;
        white-space: normal; /* 移动端允许换行 */
        letter-spacing: 1px;
        text-align: center; /* 确保居中 */
    }
    
    .banner-title-small {
        font-size: 1.5rem;
        text-align: center; /* 确保居中 */
    }
    
    .banner-chinese {
        font-size: 1.1rem;
        text-align: center; /* 确保居中 */
    }
}

/* 更小屏幕的进一步优化 */
@media (max-width: 480px) {
    .banner-title-large {
        font-size: 1.8rem;
    }
    
    .banner-slogan {
        margin-bottom: 20px;
    }
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    padding: 20px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 25px rgba(255,107,53,0.4), 
                0 0 40px rgba(255,107,53,0.2),
                inset 0 -3px 10px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
    letter-spacing: 1.5px;
    border: 2px solid rgba(255,255,255,0.3);
    animation: fadeInUp 1s ease-out 1.2s both, buttonPulse 2s ease-in-out 2s infinite;
    margin-bottom: 20px;
}

@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(255,107,53,0.4), 
                    0 0 40px rgba(255,107,53,0.2),
                    inset 0 -3px 10px rgba(0,0,0,0.1);
    }
    50% {
        box-shadow: 0 8px 25px rgba(255,107,53,0.6), 
                    0 0 60px rgba(255,107,53,0.4),
                    0 0 80px rgba(255,107,53,0.2),
                    inset 0 -3px 10px rgba(0,0,0,0.1);
    }
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    background: linear-gradient(135deg, #e55a2b, #ff6b35);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255,107,53,0.5), 
                0 0 60px rgba(255,107,53,0.4),
                0 0 100px rgba(255,107,53,0.2),
                inset 0 -3px 10px rgba(0,0,0,0.15);
    border-color: rgba(255,255,255,0.5);
}

.cta-button span {
    position: relative;
    z-index: 1;
}

/* 滚动提示动画 - 移到右下角空白区域，不与其他元素重叠 */
.scroll-indicator {
    position: fixed;
    bottom: 10px;
    right: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 100;
    animation: fadeInUp 1s ease-out 2.2s both;
}

.scroll-indicator-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

/* 默认显示英文 */
.scroll-text-zh {
    display: none !important;
}

.scroll-text-en {
    display: block !important;
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* 中文状态下显示中文 */
.ch-active .scroll-text-zh {
    display: block !important;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.ch-active .scroll-text-en {
    display: none !important;
}

/* 英文状态下确保只显示英文 */
.en-active .scroll-text-zh {
    display: none;
}

.en-active .scroll-text-en {
    display: block;
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.scroll-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.scroll-arrow span {
    display: block;
    width: 10px;
    height: 10px;
    border-right: 2px solid rgba(255, 255, 255, 0.6);
    border-bottom: 2px solid rgba(255, 255, 255, 0.6);
    transform: rotate(45deg);
    animation: scrollBounce 2s infinite;
}

.scroll-arrow span:nth-child(1) {
    animation-delay: 0s;
    opacity: 1;
}

.scroll-arrow span:nth-child(2) {
    animation-delay: 0.15s;
    opacity: 0.7;
}

.scroll-arrow span:nth-child(3) {
    animation-delay: 0.3s;
    opacity: 0.4;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: rotate(45deg) translateY(0);
        opacity: 0.6;
    }
    50% {
        transform: rotate(45deg) translateY(6px);
        opacity: 1;
    }
}

/* 响应式适配：滚动提示 */
@media (max-width: 768px) {
    .scroll-indicator {
        bottom: 15px;
        right: 15px;
        gap: 6px;
    }
    
    .scroll-text-zh {
        font-size: 0.7rem;
    }
    
    .scroll-text-en {
        font-size: 0.6rem;
    }
    
    .scroll-arrow span {
        width: 12px;
        height: 12px;
    }
}

/* 通用板块样式 */
.section {
    padding: 120px 0;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.bg-light {
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.bg-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,107,53,0.2), transparent);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 25px;
    color: #1a3c6e;
    font-weight: bold;
    letter-spacing: 3px;
    position: relative;
    display: inline-block;
    width: 100%;
    animation: titleFadeIn 1s ease-out;
}

@keyframes titleFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title-en {
    display: block;
    font-size: 1.4rem;
    color: #666;
    margin-top: 15px;
    font-weight: normal;
    letter-spacing: 1px;
}

.divider {
    width: 120px;
    height: 5px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
    margin: 25px auto;
    border-radius: 3px;
    box-shadow: 0 3px 15px rgba(255,107,53,0.4);
}

/* 关于我们板块 */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.highlight-tag {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: bold;
    margin-bottom: 30px;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    letter-spacing: 1px;
    /* 移除持续脉冲动画，避免滚动卡顿 */
    /* animation: tagPulse 2s ease-in-out infinite; */
}

@keyframes tagPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 精简版介绍文字 */
.about-intro {
    font-size: 1.15rem;
    line-height: 2;
    color: #333;
    margin-bottom: 50px;
    padding: 0 20px;
    font-weight: 300;
}

/* 统计数据展示 - 可视化增强 */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 60px 0;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    animation: numberCount 2s ease-out;
}

@keyframes numberCount {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
    font-weight: 600;
}

/* 统计数据图标 */
.stat-icon-wrapper {
    font-size: 2.5rem;
    margin-bottom: 10px;
    animation: statIconBounce 2s ease-in-out infinite;
    filter: drop-shadow(0 3px 6px rgba(0,0,0,0.1));
}

@keyframes statIconBounce {
    0%, 100% { 
        transform: translateY(0) scale(1);
    }
    50% { 
        transform: translateY(-5px) scale(1.1);
    }
}

.stat-item:hover .stat-icon-wrapper {
    animation: statIconSpin 0.6s ease;
}

@keyframes statIconSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1); }
}

/* 优势卡片网格 */
.about-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.advantage-card {
    background: white;
    padding: 35px 25px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(26,60,110,0.1);
    height: 100%; /* 确保所有卡片高度一致 */
    display: flex;
    flex-direction: column;
    min-height: 280px; /* 设置最小高度 */
}

.advantage-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(to top, rgba(255,107,53,0.05), transparent);
    transition: height 0.5s ease;
}

.advantage-card:hover::after {
    height: 100%;
}

.advantage-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: rgba(255,107,53,0.3);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e, #2855a3);
    border-radius: 20px 20px 0 0;
}

.advantage-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.2) rotate(10deg);
}

/* 公司优势子图标 */
.advantage-sub-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.advantage-sub-icons span {
    font-size: 1.8rem;
    opacity: 0.8;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.advantage-item:hover .advantage-sub-icons span {
    opacity: 1;
    transform: scale(1.15) rotate(8deg);
}

.advantage-sub-icons span:nth-child(1) {
    transition-delay: 0s;
}

.advantage-sub-icons span:nth-child(2) {
    transition-delay: 0.1s;
}

.advantage-sub-icons span:nth-child(3) {
    transition-delay: 0.2s;
}

/* 卡片标题和描述样式 */
.advantage-card .card-title {
    color: #1a3c6e;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 0.5px;
    min-height: 30px; /* 确保标题高度一致 */
    display: block;
}

.advantage-card .card-desc {
    color: #666;
    font-size: 1rem;
    line-height: 1.8;
    flex-grow: 1; /* 让描述占据剩余空间 */
    min-height: 60px; /* 确保描述最小高度 */
}

/* 优势卡片装饰图标 */
.card-decoration-icons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.card-decoration-icons span {
    font-size: 1.5rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.advantage-card:hover .card-decoration-icons span {
    opacity: 1;
    transform: scale(1.2) rotate(10deg);
}

.card-decoration-icons span:nth-child(1) {
    transition-delay: 0.05s;
}

.card-decoration-icons span:nth-child(2) {
    transition-delay: 0.1s;
}

/* 愿景陈述 */
.about-vision {
    font-size: 1.2rem;
    line-height: 2;
    color: #333;
    margin-top: 40px;
    padding: 35px;
    background: linear-gradient(135deg, rgba(255,107,53,0.08), rgba(26,60,110,0.08));
    border-radius: 20px;
    border-left: 5px solid #ff6b35;
    font-style: italic;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

/* 服务板块 - 重新分组优化布局 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
    margin-bottom: 50px;
}

/* 服务卡片增强版 - 统一样式 */
.service-item {
    background: white;
    padding: 45px 35px;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255,107,53,0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(to top, rgba(255,107,53,0.08), transparent);
    transition: height 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.service-item:hover::after {
    height: 100%;
}

.service-item:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: rgba(255,107,53,0.4);
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e, #2855a3, #ff6b35);
    background-size: 200% 100%;
    /* 移除无限循环动画以避免滚动卡顿 */
    /* animation: gradientFlow 3s ease-in-out infinite; */
    border-radius: 25px 25px 0 0;
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
    /* 移除持续浮动动画以避免滚动卡顿 */
    /* animation: float 3s ease-in-out infinite; */
}

/* 服务卡片角标图标 */
.service-corner-icons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 15px;
}

.service-corner-icons span {
    font-size: 1.6rem;
    opacity: 0.75;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.service-item:hover .service-corner-icons span {
    opacity: 1;
    transform: scale(1.2) rotate(15deg);
}

.service-corner-icons span:nth-child(1) {
    transition-delay: 0s;
}

.service-corner-icons span:nth-child(2) {
    transition-delay: 0.1s;
}

.service-corner-icons span:nth-child(3) {
    transition-delay: 0.2s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0) rotate(0deg);
    }
    25% { 
        transform: translateY(-12px) rotate(8deg);
    }
    75% { 
        transform: translateY(-12px) rotate(-8deg);
    }
}

.service-item:hover .service-icon {
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.service-item h3 {
    color: #1a3c6e;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* 服务标题分隔线 */
.service-divider {
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
    margin: 10px auto 20px;
    border-radius: 3px;
    box-shadow: 0 3px 10px rgba(255,107,53,0.4);
}

/* 服务图片占位符 */
.service-image-placeholder {
    position: relative;
    width: 100%;
    height: 180px;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(26,60,110,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-item:hover .service-image-placeholder {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    background: linear-gradient(135deg, rgba(255,107,53,0.15), rgba(26,60,110,0.15));
}

.placeholder-text {
    color: #1a3c6e;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.service-item:hover .placeholder-text {
    color: #ff6b35;
    transform: translateY(-3px);
}

/* 服务标签 */
.service-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.service-badge {
    background: linear-gradient(135deg, rgba(26,60,110,0.1), rgba(255,107,53,0.1));
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #1a3c6e;
    border: 1px solid rgba(26,60,110,0.3);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.service-badge:hover {
    background: linear-gradient(135deg, #1a3c6e, #2855a3);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(26,60,110,0.4);
}

/* 服务描述文字 */
.service-item p {
    color: #666;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: left;
    padding: 0 10px;
}

/* 了解详情按钮 */
.learn-more-btn {
    background: linear-gradient(135deg, #1a3c6e, #2855a3);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(26,60,110,0.3);
    position: relative;
    overflow: hidden;
    z-index: 10;
}

.learn-more-btn:hover {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255,107,53,0.5);
}

.learn-more-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.additional-services {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.sub-title {
    color: #1a3c6e;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    list-style: none;
}

.services-list li {
    padding: 10px 0;
    border-left: 3px solid #ff6b35;
    padding-left: 15px;
}

/* 产品类目板块 - 增强视觉差异化 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.product-category {
    text-align: center;
    background: white;
    padding: 40px 35px;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255,107,53,0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-category::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(to top, rgba(26,60,110,0.08), transparent);
    transition: height 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.product-category:hover::after {
    height: 100%;
}

.product-category:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: rgba(255,107,53,0.4);
}

.product-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #1a3c6e, #2855a3, #ff6b35, #ff8c42, #1a3c6e);
    background-size: 200% 100%;
    animation: gradientFlow 3s ease-in-out infinite;
    border-radius: 25px 25px 0 0;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.product-category:hover .product-icon {
    transform: scale(1.2) rotate(10deg);
}

/* 产品类目子图标 */
.product-sub-icons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.product-sub-icons span {
    font-size: 1.5rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.product-category:hover .product-sub-icons span {
    opacity: 1;
    transform: scale(1.15) rotate(10deg);
}

.product-sub-icons span:nth-child(1) {
    transition-delay: 0s;
}

.product-sub-icons span:nth-child(2) {
    transition-delay: 0.1s;
}

.product-sub-icons span:nth-child(3) {
    transition-delay: 0.2s;
}

.product-sub-icons span:nth-child(4) {
    transition-delay: 0.3s;
}

/* 标题分隔线 */
.product-divider {
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
    margin: 10px auto 20px;
    border-radius: 3px;
    box-shadow: 0 3px 10px rgba(255,107,53,0.4);
}

/* 产品图片占位符 */
.product-image-placeholder {
    position: relative;
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(26,60,110,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-category:hover .product-image-placeholder {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    background: linear-gradient(135deg, rgba(255,107,53,0.15), rgba(26,60,110,0.15));
}

.placeholder-text {
    color: #1a3c6e;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.product-category:hover .placeholder-text {
    color: #ff6b35;
    transform: translateY(-3px);
}

/* 产品标签 */
.product-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.product-badge {
    background: linear-gradient(135deg, rgba(26,60,110,0.1), rgba(255,107,53,0.1));
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a3c6e;
    border: 1px solid rgba(26,60,110,0.3);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.product-badge:hover {
    background: linear-gradient(135deg, #1a3c6e, #2855a3);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(26,60,110,0.4);
}

/* 描述文字 */
.product-desc {
    color: #666;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: left;
    padding: 0 10px;
}

/* 查看产品按钮 */
.view-products-btn {
    background: linear-gradient(135deg, #1a3c6e, #2855a3);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(26,60,110,0.3);
    position: relative;
    overflow: hidden;
    z-index: 10;
}

.view-products-btn:hover {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255,107,53,0.5);
}

.view-products-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.product-category h3 {
    color: #1a3c6e;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* 公司优势板块 - 增强视觉层次 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 35px;
    margin-bottom: 50px;
}

.advantage-item {
    background: white;
    padding: 40px 35px;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.advantage-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(to top, rgba(255,107,53,0.08), transparent);
    transition: height 0.5s ease;
}

.advantage-item:hover::after {
    height: 100%;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e, #2855a3, #ff6b35);
    background-size: 200% 100%;
    animation: gradientFlow 3s ease-in-out infinite;
    border-radius: 25px 25px 0 0;
}

.advantage-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: rgba(255,107,53,0.4);
}

/* 优势图标 */
.advantage-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.advantage-item:hover .advantage-icon {
    transform: scale(1.15) rotate(5deg);
}

/* 标题样式 */
.advantage-item h3 {
    color: #1a3c6e;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    letter-spacing: 1px;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.4;
}

/* 分隔线 */
.advantage-divider {
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
    margin: 15px auto;
    border-radius: 3px;
    box-shadow: 0 3px 10px rgba(255,107,53,0.4);
}

/* 要点列表 */
.advantage-points {
    list-style: none;
    padding: 0;
    margin: 20px 0 0 0;
    text-align: left;
}

.advantage-points li {
    padding: 12px 0;
    color: #555;
    line-height: 1.9;
    font-size: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    padding-left: 15px;
}

.advantage-points li:hover {
    transform: translateX(8px);
    color: #ff6b35;
    border-left-color: #ff6b35;
    background: linear-gradient(90deg, rgba(255,107,53,0.05), transparent);
}

/* 对勾图标 */
.check-icon {
    color: #4CAF50;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
    animation: checkPulse 2s ease-in-out infinite;
}

@keyframes checkPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* 关键词高亮 */
.highlight-keyword {
    color: #ff6b35;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.highlight-keyword::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #ff6b35, transparent);
    opacity: 0.5;
}

.vision-section {
    background: linear-gradient(135deg, rgba(255,107,53,0.08), rgba(26,60,110,0.08));
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    text-align: center;
    border: 2px solid rgba(255,107,53,0.3);
    position: relative;
    overflow: hidden;
}

.vision-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,107,53,0.05) 0%, transparent 70%);
    animation: rotate 40s linear infinite;
}

.vision-section p {
    font-size: 1.2rem;
    line-height: 2;
    color: #333;
    max-width: 1000px;
    margin: 0 auto;
    font-weight: 300;
    position: relative;
    z-index: 1;
}

/* 特色展示板块 - 增强视觉冲击力 */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.showcase-item {
    text-align: center;
    background: white;
    padding: 40px 35px;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255,107,53,0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.showcase-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(to top, rgba(255,107,53,0.08), transparent);
    transition: height 0.5s ease;
    pointer-events: none;
    z-index: 0;
}

.showcase-item:hover::after {
    height: 100%;
}

.showcase-item:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-color: rgba(255,107,53,0.4);
}

.showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e, #2855a3, #ff6b35);
    background-size: 200% 100%;
    animation: gradientFlow 3s ease-in-out infinite;
    border-radius: 25px 25px 0 0;
}

.showcase-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.showcase-item:hover .showcase-icon {
    transform: scale(1.25) rotate(12deg);
}

/* 特色展示子图标 */
.showcase-sub-icons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 15px;
}

.showcase-sub-icons span {
    font-size: 1.6rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.showcase-item:hover .showcase-sub-icons span {
    opacity: 1;
    transform: scale(1.2) rotate(10deg);
}

.showcase-sub-icons span:nth-child(1) {
    transition-delay: 0s;
}

.showcase-sub-icons span:nth-child(2) {
    transition-delay: 0.1s;
}

.showcase-sub-icons span:nth-child(3) {
    transition-delay: 0.2s;
}

/* 标题分隔线 */
.showcase-divider {
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
    margin: 10px auto 20px;
    border-radius: 3px;
    box-shadow: 0 3px 10px rgba(255,107,53,0.4);
}

/* 图片占位符 */
.showcase-image-placeholder {
    position: relative;
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(26,60,110,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-item:hover .showcase-image-placeholder {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    background: linear-gradient(135deg, rgba(255,107,53,0.15), rgba(26,60,110,0.15));
}

.showcase-item:hover .placeholder-text {
    color: #ff6b35;
    transform: translateY(-3px);
}

/* 数据标签 */
.data-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.data-badge {
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(26,60,110,0.1));
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #1a3c6e;
    border: 1px solid rgba(255,107,53,0.3);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.data-badge:hover {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(255,107,53,0.4);
}

/* 描述文字 */
.showcase-desc {
    color: #666;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: left;
    padding: 0 10px;
}

/* 了解详情按钮 */
.view-details-btn {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(255,107,53,0.3);
    position: relative;
    overflow: hidden;
    z-index: 10;
}

.view-details-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255,107,53,0.5);
}

.view-details-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.image-placeholder {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #6c757d;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.showcase-item:hover .image-placeholder {
    background: linear-gradient(135deg, #e9ecef, #dee2e6);
    transform: scale(1.05);
}

.showcase-item h3 {
    color: #1a3c6e;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* 联系我们板块 - 美化版 */
.contact-content {
    max-width: 1200px;
    margin: 0 auto;
}

/* 地址全宽显示 */
.contact-address-full {
    width: 100%;
    margin-bottom: 30px;
}

.address-large {
    background: white;
    padding: 40px 35px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.address-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
    border-radius: 20px 20px 0 0;
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.address-large:hover::before {
    transform: scaleX(1);
}

.address-large:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border-color: rgba(255,107,53,0.2);
}

.map-container-large {
    width: 100%;
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 25px rgba(0,0,0,0.12);
    transition: all 0.3s ease;
}

.address-large:hover .map-container-large {
    box-shadow: 0 8px 30px rgba(0,0,0,0.18);
    transform: scale(1.02);
}

/* 地址中英文切换 */
.address-en {
    display: none;
}

.ch-active .address-en {
    display: none;
}

.ch-active .address-zh {
    display: inline;
}

.en-active .address-zh {
    display: none;
}

.en-active .address-en {
    display: inline;
}

.address-zh,
.address-en {
    display: block;
    margin-top: 8px;
    font-size: 1.05rem;
    color: #555;
    line-height: 1.6;
}

/* 其他联系信息网格布局 */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    background: white;
    padding: 35px 30px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e);
    border-radius: 20px 20px 0 0;
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-item:hover::before {
    transform: scaleX(1);
}

.contact-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border-color: rgba(255,107,53,0.2);
}

.contact-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(26,60,110,0.1));
    border-radius: 50%;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.contact-item:hover .contact-icon-wrapper {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 8px 25px rgba(255,107,53,0.4);
}

.contact-icon-main {
    font-size: 2.5rem;
    transition: all 0.4s ease;
}

.contact-item:hover .contact-icon-main {
    filter: drop-shadow(0 4px 8px rgba(255,255,255,0.5));
}

.contact-text {
    color: #333;
}

.contact-text strong {
    display: block;
    font-size: 1.1rem;
    color: #1a3c6e;
    margin-bottom: 10px;
    font-weight: 600;
}

.contact-item a {
    color: #ff6b35;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.05rem;
}

.contact-item a:hover {
    color: #1a3c6e;
    text-decoration: underline;
}

.map-container {
    width: 100%;
    margin-top: 15px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.contact-item:hover .map-container {
    box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

.contact-message {
    background: linear-gradient(135deg, rgba(255,107,53,0.05), rgba(26,60,110,0.05));
    padding: 35px 40px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid rgba(255,107,53,0.2);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.contact-message p {
    font-size: 1.3rem;
    color: #333;
    line-height: 1.8;
    font-weight: 500;
}

.wechat-note {
    font-size: 0.95rem;
    color: #666;
    margin-top: 8px;
    font-style: italic;
    display: block;
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
    .contact-address-full {
        margin-bottom: 20px;
    }
    
    .address-large {
        padding: 30px 20px;
    }
    
    .map-container-large img {
        height: 250px;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-item {
        padding: 25px 20px;
    }
    
    .contact-icon-wrapper {
        width: 70px;
        height: 70px;
    }
    
    .contact-icon-main {
        font-size: 2rem;
    }
    
    .contact-message {
        padding: 25px 20px;
    }
    
    .contact-message p {
        font-size: 1.1rem;
    }
}

/* 服务流程图样式 - 新设计 */
.flow-diagram {
    position: relative;
    padding: 40px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
    margin: 40px 0;
    /* 桌面端优化：内容自适应，不显示滚动条 */
    overflow-x: visible;
}

.flow-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 5px; /* 减小间距以适应屏幕 */
    /* 确保内容不会被压缩 */
    flex-shrink: 0;
}

.flow-top {
    margin-bottom: 20px;
}

.flow-bottom {
    margin-top: 20px;
}

.flow-step-new {
    text-align: center;
    flex: 1 1 auto; /* 允许增长和收缩，自适应屏幕 */
    min-width: 0; /* 允许收缩到更小 */
    padding: 20px 5px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.flow-step-new:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255,107,53,0.25);
}

.flow-step-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 5px;
    background: linear-gradient(135deg, #ff6b35, #ff8c42, #1a3c6e);
    border-radius: 3px;
    transition: width 0.4s ease;
}

.flow-step-new:hover::before {
    width: 100px;
}

.step-number-new {
    font-size: 1.2rem;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 10px;
    font-family: 'Arial Black', sans-serif;
    /* 防止数字换行 */
    white-space: nowrap;
}

.step-icon-new {
    width: 70px;
    height: 70px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fff5f2, #f0f7ff, #e8f4ff);
    border-radius: 50%;
    border: 3px solid #ff6b35;
    transition: all 0.4s ease;
}

.flow-step-new:hover .step-icon-new {
    transform: rotate(360deg) scale(1.15);
    background: linear-gradient(135deg, #ff6b35, #ff8c42, #ffa050);
    border-color: #1a3c6e;
    box-shadow: 0 8px 25px rgba(255,107,53,0.4);
}

.flow-step-new:hover .step-icon-new svg {
    stroke: white;
}

.step-label {
    font-size: 0.9rem;
    color: #1a3c6e;
    font-weight: 600;
    line-height: 1.3;
    min-height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 允许文字换行 */
    word-wrap: break-word;
}

/* 双箭头样式 */
.flow-arrow-double {
    width: 40px;
    height: 30px;
    flex-shrink: 0; /* 箭头不收缩 */
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff6b35;
    animation: arrowDoublePulse 1.5s infinite;
}

.flow-arrow-double svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(255,107,53,0.3));
}

.flow-arrow-left svg {
    transform: rotate(180deg);
}

@keyframes arrowDoublePulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* 垂直箭头 */
.flow-arrow-vertical-down,
.flow-arrow-vertical-up {
    width: 40px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff6b35;
    position: absolute;
    animation: arrowVerticalPulse 1.5s infinite;
}

.flow-arrow-vertical-down svg,
.flow-arrow-vertical-up svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(255,107,53,0.3));
}

.flow-arrow-vertical-down {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.flow-arrow-vertical-up {
    left: 20px;
    bottom: 50%;
    transform: translateY(50%);
}

@keyframes arrowVerticalPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* 核心服务卡片样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 50px;
    padding-top: 50px;
    border-top: 2px solid #f0f0f0;
}

.service-item {
    background: white;
    border-radius: 15px;
    padding: 30px 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    border: 2px solid transparent;
}

.service-item:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 10px 30px rgba(255,107,53,0.2);
    border-color: #ff6b35;
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: block;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.service-item h3 {
    font-size: 1.3rem;
    color: #1a3c6e;
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.4;
    min-height: 50px;
}

.service-item p {
    color: #555;
    line-height: 1.8;
    font-size: 1rem;
}

/* 旧流程图样式保留（防止影响其他部分） */
.service-flow-top,
.service-flow-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.flow-step {
    text-align: center;
    flex: 1;
    min-width: 140px;
    max-width: 180px;
    padding: 20px 15px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.flow-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #ff6b35, #1a3c6e);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.flow-step:hover::before {
    transform: scaleX(1);
}

.flow-step:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255,107,53,0.2);
}

.step-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fff5f2, #f0f7ff);
    border-radius: 50%;
    border: 3px solid #ff6b35;
    transition: all 0.4s ease;
    position: relative;
}

.flow-step:hover .step-icon {
    transform: rotate(360deg) scale(1.1);
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    border-color: #1a3c6e;
}

.flow-step:hover .step-icon svg {
    stroke: white;
}

.step-number {
    font-size: 1rem;
    color: #1a3c6e;
    font-weight: 600;
    line-height: 1.4;
}

.flow-arrow,
.flow-arrow-reverse {
    width: 40px;
    height: 20px;
    flex-shrink: 0;
    margin: 0 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: arrowPulse 2s infinite;
}

@keyframes arrowPulse {
    0%, 100% {
        opacity: 1;
        transform: translateX(0);
    }
    50% {
        opacity: 0.6;
        transform: translateX(5px);
    }
}

.flow-arrow-reverse {
    animation: arrowPulseReverse 2s infinite;
}

@keyframes arrowPulseReverse {
    0%, 100% {
        opacity: 1;
        transform: translateX(0);
    }
    50% {
        opacity: 0.6;
        transform: translateX(-5px);
    }
}

.flow-center-arrow {
    text-align: center;
    margin: 30px 0;
    animation: bounceArrow 2s infinite;
}

@keyframes bounceArrow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

.flow-center-arrow svg {
    width: 50px;
    height: 50px;
    stroke: #ff6b35;
    stroke-width: 2;
    filter: drop-shadow(0 2px 4px rgba(255,107,53,0.3));
}

/* 响应式调整 */
@media screen and (max-width: 1024px) {
    .flow-step {
        min-width: 120px;
        max-width: 150px;
        padding: 15px 10px;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
    }
    
    .step-number {
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 768px) {
    .service-flow-top,
    .service-flow-bottom {
        flex-direction: column;
        gap: 15px;
    }
    
    .flow-step {
        width: 100%;
        max-width: none;
        flex-direction: row;
        display: flex;
        align-items: center;
        gap: 15px;
        text-align: left;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        margin: 0;
        flex-shrink: 0;
    }
    
    .step-number {
        font-size: 1rem;
    }
    
    .flow-arrow,
    .flow-arrow-reverse {
        width: 30px;
        height: 30px;
        margin: 10px 0;
        transform: rotate(90deg);
    }
    
    .flow-center-arrow {
        transform: rotate(90deg);
        margin: 20px 0;
    }
}

/* 页脚样式 */
/* 页脚样式优化 - 增强视觉层次和交互效果 */
.footer {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #232526 100%);
    color: white;
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.3;
}

/* 页脚顶部装饰条 */
.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e, #2855a3, #ff6b35);
    background-size: 200% 100%;
    animation: footerGradient 3s ease-in-out infinite;
}

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

.footer-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

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

.footer-links a:hover::before {
    left: 100%;
}

.footer-links a:hover {
    background: rgba(255,255,255,0.25);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(255,255,255,0.15);
}

.social-links {
    margin: 30px 0;
}

.social-icon {
    display: inline-block;
    width: 55px;
    height: 55px;
    line-height: 55px;
    text-align: center;
    background: rgba(255,255,255,0.12);
    border-radius: 50%;
    margin: 0 12px;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    font-size: 26px;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.2);
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.social-icon:hover::before {
    width: 100%;
    height: 100%;
}

.social-icon:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: translateY(-8px) scale(1.15) rotate(360deg);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.5);
    border-color: transparent;
}

/* 微信图标特殊样式 - 绿泡泡对话气泡 */
.social-icon.wechat-icon {
    background: linear-gradient(135deg, #07c160 0%, #09b35a 100%);
    border: 2px solid #07c160;
    font-size: 32px; /* 增大尺寸让对话气泡更明显 */
}

.social-icon.wechat-icon:hover {
    background: linear-gradient(135deg, #08d96e 0%, #0ac966 100%);
    transform: translateY(-8px) scale(1.15);
    box-shadow: 0 15px 30px rgba(7, 193, 96, 0.5);
    border-color: #07c160;
}

.footer-bottom {
    margin-top: 50px;
    padding-top: 35px;
    border-top: 2px solid rgba(255,255,255,0.15);
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #ff6b35, transparent);
    border-radius: 2px;
}

.footer-bottom p {
    margin: 10px 0;
}

.company-info h3 {
    font-size: 1.7rem;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glowText 3s ease-in-out infinite;
}

@keyframes glowText {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.1); }
}

.company-info h4 {
    font-size: 1.3rem;
    font-weight: normal;
    opacity: 0.95;
    margin-bottom: 18px;
    color: rgba(255,255,255,0.9);
}

.slogan {
    font-style: italic;
    margin-bottom: 25px;
    opacity: 0.85;
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
}

.copyright {
    border-top: 2px solid rgba(255,255,255,0.25);
    padding-top: 25px;
    margin-top: 25px;
    position: relative;
}

.copyright::before {
    content: '✦';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    padding: 0 15px;
    color: #ff6b35;
    font-size: 1.2rem;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    /* 隐藏 PC 端导航菜单，使用新的全屏菜单 */
    .nav-menu {
        display: none;
    }
    
    /* 显示汉堡菜单按钮 */
    .hamburger {
        display: flex;
    }
    
    /* 移动端导航图标颜色调整 */
    .hamburger span {
        background: white;
    }
    
    .navbar-scrolled .hamburger span {
        background: #667eea;
    }
    
    .banner-title-large {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .banner-title-small {
        font-size: 1.3rem;
        line-height: 1.3;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .services-grid,
    .advantages-grid,
    .products-grid,
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 移动端汉堡菜单 */
    .hamburger {
        display: flex;
    }
    
    /* 移动端导航 logo 缩小 */
    .nav-logo {
        font-size: 14px;
        max-width: 60%;
    }
    
    .logo-text {
        font-size: 16px;
    }
    
    .logo-icon {
        font-size: 22px;
    }
    
    .logo-text-en {
        display: none; /* 移动端隐藏英文副标题，节省空间 */
    }
    
    .language-switch {
        top: 70px;
        right: 5px;
        /* 移动端强制可见 */
        visibility: visible !important;
        opacity: 1 !important;
        display: block !important;
        /* 确保不超出屏幕 */
        max-width: calc(100vw - 20px);
        /* 提高 z-index 确保在最上层 */
        z-index: 1002;
    }
    
    .lang-btn {
        padding: 8px 12px;
        font-size: 12px;
        white-space: nowrap;
        /* 确保移动端按钮可见 */
        visibility: visible !important;
        opacity: 1 !important;
        /* 限制最大宽度 */
        max-width: calc(100vw - 30px);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .contact-icon {
        align-self: center;
    }
}

@media screen and (max-width: 480px) {
    .banner-title-large {
        font-size: 1.6rem;
        line-height: 1.2;
    }
    
    .banner-title-small {
        font-size: 1rem;
        line-height: 1.3;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .service-item,
    .product-category,
    .showcase-item,
    .contact-item {
        padding: 15px;
    }
    
    .service-icon,
    .product-icon,
    .showcase-icon {
        font-size: 2rem;
    }
    
    .lang-btn {
        padding: 8px 12px;
        font-size: 12px;
        right: 5px !important;
        left: auto !important;
        /* 小屏幕强制可见 */
        visibility: visible !important;
        opacity: 1 !important;
        display: flex !important;
        /* 限制最大宽度，防止超出 */
        max-width: calc(100vw - 40px);
    }
    
    .lang-icon {
        font-size: 14px;
    }
    
    /* 移动端流程图优化 - 允许横向滚动 */
    .flow-diagram {
        padding: 20px 5px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: #ff6b35 #f0f0f0;
    }
    
    /* 移动端滚动条美化 */
    .flow-diagram::-webkit-scrollbar {
        height: 4px;
    }
    
    .flow-diagram::-webkit-scrollbar-track {
        background: #f0f0f0;
    }
    
    .flow-diagram::-webkit-scrollbar-thumb {
        background: linear-gradient(90deg, #ff6b35, #ff8c42);
        border-radius: 2px;
    }
    
    .flow-row {
        flex-wrap: nowrap;
        gap: 5px;
        min-width: max-content; /* 确保内容完整宽度 */
    }
    
    .flow-step-new {
        width: 90px; /* 固定宽度 */
        min-width: 90px;
        max-width: 90px;
        padding: 10px 5px;
        flex-shrink: 0; /* 不收缩 */
    }
    
    .step-number-new {
        font-size: 0.85rem;
    }
    
    .step-icon-new {
        width: 50px;
        height: 50px;
        margin: 0 auto 8px;
        border-width: 2px;
    }
    
    .step-icon-new svg {
        width: 26px;
        height: 26px;
    }
    
    .step-label {
        font-size: 0.7rem;
        min-height: 26px;
        line-height: 1.2;
    }
    
    .flow-arrow-double {
        width: 25px;
        height: 20px;
        flex-shrink: 0;
    }
    
    .flow-arrow-vertical-down,
    .flow-arrow-vertical-up {
        width: 25px;
        height: 35px;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .flow-arrow-vertical-down {
        top: 50%;
        transform: translate(-50%, 50%);
    }
    
    .flow-arrow-vertical-up {
        bottom: 50%;
        transform: translate(-50%, -50%);
    }
    
    /* 移动端服务卡片优化 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
        padding-top: 30px;
    }
    
    .service-item {
        padding: 25px 20px;
    }
    
    .service-icon {
        font-size: 3rem;
    }
}

/* ===== 统计数据展示 ===== */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 30px 0;
    padding: 30px 0;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,249,250,0.9) 100%);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-item:hover .stat-number {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.stat-item:hover .stat-label {
    color: rgba(255,255,255,0.95);
}

.stat-number {
    font-size: 3.5em;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.stat-label {
    font-size: 1.1em;
    color: #666;
    font-weight: 500;
    transition: all 0.3s ease;
}

.stat-number.animated {
    animation: countUp 2s ease-out;
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 移动端全屏菜单 ===== */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
}

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

.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: left 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 999;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu .nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu .nav-links a {
    color: white;
    font-size: 2em;
    text-decoration: none;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.3s ease;
}

.mobile-menu.active .nav-links a {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu .nav-links a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu .nav-links a:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu .nav-links a:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu .nav-links a:nth-child(4) { transition-delay: 0.4s; }
.mobile-menu .nav-links a:nth-child(5) { transition-delay: 0.5s; }
.mobile-menu .nav-links a:nth-child(6) { transition-delay: 0.6s; }
.mobile-menu .nav-links a:nth-child(7) { transition-delay: 0.7s; }

.mobile-menu .nav-links a:hover {
    color: #ffd700;
    transform: scale(1.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    z-index: 1000;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: #667eea;
    margin: 3px 0;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== 返回顶部按钮美化 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    z-index: 100;
    border: none;
    font-size: 28px;
}

.back-to-top:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.6);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.back-to-top:active {
    transform: scale(0.95);
}

.back-to-top.show {
    display: flex;
    animation: slideIn 0.3s ease;
}

.back-to-top.hide {
    animation: slideOut 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(50px); }
}



/* 语言切换相关样式 */
.en-active .title-zh,
.en-active .nav-link,
.en-active .logo-text {
    display: none;
}

.en-active .title-en,
.en-active .nav-link-en,
.en-active .logo-text-en {
    display: block;
}

.ch-active .title-en,
.ch-active .nav-link-en,
.ch-active .logo-text-en {
    display: none;
}

.ch-active .title-zh,
.ch-active .nav-link,
.ch-active .logo-text {
    display: block;
}

/* 平滑滚动锚点偏移 */
.section {
    scroll-margin-top: 80px;
}

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

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.show {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.show {
    opacity: 1;
    transform: translateX(0);
}

.zoom-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.zoom-in.show {
    opacity: 1;
    transform: scale(1);
}

/* 延迟动画 */
.delay-200 { transition-delay: 0.2s; }
.delay-400 { transition-delay: 0.4s; }
.delay-600 { transition-delay: 0.6s; }

/* ===== 玻璃拟态效果 ===== */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== 光晕效果 ===== */
.glow-on-hover {
    position: relative;
}

.glow-on-hover::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.5), transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 0;
}

.glow-on-hover:hover::before {
    width: 300px;
    height: 300px;
}

/* ===== 粒子背景效果 ===== */
.particle-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(50px);
        opacity: 0;
    }
}

/* ===== 加载动画 ===== */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ===== 按钮波纹效果 ===== */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0);
}

/* ===== 文字渐变动画 ===== */
.text-gradient {
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #1a3c6e, #ff6b35);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===== 卡片悬停光影效果 ===== */
.card-light {
    position: relative;
    overflow: hidden;
}

.card-light::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: rotate(45deg);
    transition: all 0.8s ease;
}

.card-light:hover::before {
    left: 100%;
    top: 100%;
}

/* ===== 移动端优化 ===== */
@media (max-width: 768px) {
    /* 增大字体提升可读性 */
    body {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .banner-title-large {
        font-size: 2.2rem;
    }
    
    .banner-title-small {
        font-size: 1.5rem;
    }
    
    /* 确保元素不溢出 */
    .container {
        padding: 0 15px;
    }
    
    /* 优化卡片间距 */
    .services-grid,
    .products-grid,
    .advantages-grid {
        gap: 20px;
    }
}

/* ===== 阅读进度条 ===== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, #ffd700, #ffed4e);
    box-shadow: 0 2px 10px rgba(255, 215, 0, 0.6);
    z-index: 10000;
    transition: width 0.1s ease;
    border-radius: 0 2px 2px 0;
}

/* ===== 按钮波纹动画效果 - 微交互增强 ===== */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-ripple:hover::before {
    width: 300px;
    height: 300px;
}

/* 服务卡片按钮专用波纹效果 */
.learn-more-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.learn-more-btn:hover::before {
    width: 300px;
    height: 300px;
}

/* 产品卡片按钮专用波纹效果 */
.view-products-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.view-products-btn:hover::before {
    width: 300px;
    height: 300px;
}

/* 案例展示按钮专用波纹效果 */
.view-details-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.view-details-btn:hover::before {
    width: 300px;
    height: 300px;
}

/* 回到顶部按钮样式 */
.back-to-top {
    position: fixed !important;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4), 
                0 0 30px rgba(255, 107, 53, 0.2);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 确保按钮在移动端也清晰可见 */
    min-width: 56px;
    min-height: 56px;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: linear-gradient(135deg, #e55a2b, #ff6b35);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.6),
                0 0 50px rgba(255, 107, 53, 0.4);
}

.back-to-top:active {
    transform: translateY(-2px) scale(1.05);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}