/* ========================================
   兴达企业官网 - 增强样式
   作者: Claude
   日期: 2025-12-23
   描述: 现代化、高科技风格的企业官网样式
======================================== */

/* ========== 全局基础样式 ========== */
:root {
    /* 科技风配色（明亮版） */
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #00ffcc;
    --dark-bg: #2a3f5f;
    --dark-bg-secondary: #3d5478;
    --dark-color: #1a1a2e;
    --light-color: #f5f5f5;
    --text-color: #212121;
    --text-light: #616161;
    --text-white: #ffffff;
    --text-gray: rgba(255,255,255,0.9);
    --border-color: #e0e0e0;
    --glow-color: rgba(0, 212, 255, 0.6);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-accent: linear-gradient(135deg, #0099cc 0%, #00ffcc 100%);
    --gradient-dark: linear-gradient(135deg, #2a3f5f 0%, #3d5478 100%);
    --transition-base: all 0.3s ease;
}

/* ========== 顶部联系信息栏 ========== */
.top-contact-bar {
    background: var(--gradient-primary);
    padding: 12px 0;
    color: white;
    font-size: 14px;
    position: relative;
    z-index: 100;
}

.contact-info-top {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 35px;
    flex-wrap: wrap;
    padding: 0 15px;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: white;
    white-space: nowrap;
    padding: 5px 0;
}

.contact-item i {
    font-size: 18px;
    flex-shrink: 0;
}

.contact-item a {
    color: white;
    text-decoration: none;
    transition: var(--transition-base);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.contact-item a:hover {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transform: scale(1.05);
}

/* 移动端联系信息栏调整 */
@media screen and (max-width: 991px) {
    .top-contact-bar {
        padding: 10px 0;
        font-size: 13px;
    }

    .contact-info-top {
        justify-content: center;
        gap: 20px;
        padding: 0 10px;
    }

    .contact-item {
        gap: 8px;
    }

    .contact-item i {
        font-size: 16px;
    }
}

@media screen and (max-width: 767px) {
    .top-contact-bar {
        padding: 10px 0;
        font-size: 12px;
    }

    .contact-info-top {
        gap: 12px;
        flex-direction: column;
        padding: 5px 10px;
    }

    .contact-item {
        font-size: 13px;
        width: 100%;
        justify-content: center;
    }

    .contact-item i {
        font-size: 15px;
    }
}

@media screen and (max-width: 480px) {
    .top-contact-bar {
        font-size: 11px;
    }

    .contact-info-top {
        gap: 10px;
    }

    .contact-item {
        font-size: 12px;
    }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* ========== 导航栏增强 ========== */
#fh5co-menu.navbar-enhanced {
    background: transparent !important;
    backdrop-filter: none;
    box-shadow: none;
    transition: all 0.3s ease;
    position: fixed !important;
    top: 0 !important;
    left: 0;
    right: 0;
    z-index: 1000;
    margin-top: 0 !important;
}

/* 导航栏滚动后样式 */
#fh5co-menu.navbar-enhanced.navbar-scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 禁用 sleep 隐藏效果，保持菜单始终可见 */
#fh5co-menu.navbar-enhanced.sleep {
    transform: none !important;
}

.navbar-enhanced .col-md-12 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

/* 右侧容器：联系方式 + Menu按钮 */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

.brand-icon {
    background: var(--gradient-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
}

.brand-text {
    color: var(--text-white);
    font-size: 14px;
    letter-spacing: 2px;
    font-weight: 600;
    transition: color 0.3s ease;
}

/* 滚动后品牌文字颜色 */
.navbar-scrolled .brand-text {
    color: var(--dark-color);
}

/* PC端导航 */
.navbar-nav-pc {
    display: none;
    gap: 30px;
    flex: 1;
    justify-content: center;
}

.navbar-nav-pc a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    position: relative;
    padding: 5px 0;
    transition: all 0.3s ease;
}

/* 滚动后导航链接颜色 */
.navbar-scrolled .navbar-nav-pc a {
    color: var(--text-color);
}

.navbar-nav-pc a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

.navbar-nav-pc a:hover {
    color: var(--primary-color);
}

.navbar-nav-pc a:hover::after {
    width: 100%;
}

/* 导航栏联系按钮 */
.navbar-contact {
    display: block;
}

.navbar-contact a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 滚动后联系按钮样式 */
.navbar-scrolled .navbar-contact a {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 153, 204, 0.08) 100%);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.navbar-contact a:hover {
    color: white;
    background: var(--gradient-primary);
    border-color: var(--primary-color);
}

.navbar-contact i {
    font-size: 18px;
}

/* 移动端 Menu 按钮样式 */
.fh5co-nav-toggle {
    order: 2;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    float: none;
    margin-right: 0;
    width: auto;
    height: auto;
    padding: 8px 0;
}

.fh5co-nav-toggle > span {
    position: static !important;
    margin-left: 0 !important;
    width: auto !important;
    margin-top: 0 !important;
}

/* Menu 按钮文字颜色 - 默认白色 */
.fh5co-nav-toggle > span {
    color: #fff !important;
}

/* 滚动后 Menu 按钮文字颜色 - 黑色 */
.navbar-scrolled .fh5co-nav-toggle > span {
    color: #000 !important;
}

/* 汉堡菜单图标颜色 - 默认白色 */
.fh5co-nav-toggle i,
.fh5co-nav-toggle i::before,
.fh5co-nav-toggle i::after {
    background: #fff !important;
}

/* 滚动后汉堡菜单图标颜色 - 黑色 */
.navbar-scrolled .fh5co-nav-toggle i,
.navbar-scrolled .fh5co-nav-toggle i::before,
.navbar-scrolled .fh5co-nav-toggle i::after {
    background: #000 !important;
}

.navbar-scrolled .fh5co-nav-toggle.active i {
    background: transparent !important;
}

.navbar-scrolled .fh5co-nav-toggle.active i::before,
.navbar-scrolled .fh5co-nav-toggle.active i::after {
    background: #000 !important;
}

@media screen and (min-width: 992px) {
    .navbar-nav-pc {
        display: flex;
    }

    .fh5co-nav-toggle {
        display: none;
    }
}

@media screen and (max-width: 991px) {
    .navbar-contact a span {
        display: none;
    }

    .navbar-contact a {
        padding: 8px 12px;
    }
}

/* ========== Hero 区域 - 科技风 ========== */
#fh5co-hero {
    background: var(--gradient-dark);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding-top: 70px; /* 为固定导航栏留空间 */
}

#fh5co-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.2) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 40%, rgba(0, 153, 204, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 70%, rgba(0, 255, 204, 0.12) 0%, transparent 45%),
        radial-gradient(ellipse at 50% 100%, rgba(100, 180, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

/* 销售热线徽章（主内容区内） */
.hero-contact-badge {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
    background: rgba(0, 212, 255, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.35);
    border-radius: 50px;
    padding: 12px 35px;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.15);
}

.hero-contact-badge .contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-white);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.hero-contact-badge .contact-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.hero-contact-badge .contact-link i {
    font-size: 18px;
    color: var(--primary-color);
}

.hero-contact-badge .contact-divider {
    color: rgba(255, 255, 255, 0.3);
    font-size: 14px;
}

/* 主内容区 */
.hero-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0 80px;
    position: relative;
    z-index: 2;
}

.hero-main .container {
    text-align: center;
}

/* 公司信息文字 */
.hero-text-content {
    margin-bottom: 50px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

/* 产品展示区 - 居中发光效果 */
.hero-product-showcase {
    position: relative;
    max-width: 500px;
    margin: 0 auto 60px;
    padding: 40px;
}

.product-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(ellipse, var(--glow-color) 0%, transparent 70%);
    pointer-events: none;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

.hero-product-img {
    position: relative;
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.4));
    z-index: 2;
}

/* 数据统计 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding: 30px 0;
    border-top: 1px solid rgba(0, 212, 255, 0.25);
    margin-top: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px 30px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
    min-width: 140px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.15);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
    letter-spacing: 0.5px;
}


/* ========== Section 增强样式 ========== */
.section-enhanced {
    padding: 100px 0;
    position: relative;
}

.section-dark {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
}

.section-dark h2,
.section-dark h3,
.section-dark .fh5co-lead {
    color: white;
}

.section-dark .fh5co-sub {
    color: rgba(255,255,255,0.8);
}

.section-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 20px auto 30px;
    border-radius: 2px;
}

/* ========== 特性卡片 ========== */
.features-grid {
    margin-top: 60px;
}

.fh5co-feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 249, 250, 0.98) 100%);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(13, 71, 161, 0.12);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    margin-bottom: 30px;
    height: 100%;
    border: 1px solid rgba(13, 71, 161, 0.1);
    backdrop-filter: blur(10px);
}

.fh5co-feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 48px rgba(13, 71, 161, 0.2);
    border-color: rgba(13, 71, 161, 0.2);
}

.feature-icon-wrapper {
    position: relative;
    margin-bottom: 25px;
}

.fh5co-feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    position: relative;
    z-index: 2;
}

.icon-bg {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 20px;
    opacity: 0.2;
    transition: var(--transition-base);
}

.fh5co-feature-card:hover .icon-bg {
    transform: translate(-5px, -5px);
}

.fh5co-feature-lead {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.fh5co-feature-text {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

.feature-number {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 72px;
    font-weight: 900;
    color: rgba(0,0,0,0.03);
    line-height: 1;
}

/* ========== 技术亮点 ========== */
.tech-highlights {
    margin-top: 80px;
}

.tech-highlight-item {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 30px;
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: white;
    transition: var(--transition-base);
}

.tech-highlight-item:hover .tech-icon {
    transform: rotate(360deg) scale(1.1);
}

.tech-highlight-item h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.tech-highlight-item p {
    color: var(--text-light);
    font-size: 14px;
}

/* ========== 产品卡片 ========== */
.products-showcase {
    margin-top: 60px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(13, 71, 161, 0.1);
    transition: var(--transition-base);
    margin-bottom: 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(13, 71, 161, 0.08);
    position: relative;
}

.product-card::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;
    z-index: 1;
    pointer-events: none;
}

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

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 48px rgba(13, 71, 161, 0.18);
    border-color: rgba(13, 71, 161, 0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 71, 161, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-info {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.product-info p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}

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

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 8px;
}

.product-features i {
    color: #1976d2;
    font-size: 16px;
}

/* ========== 解决方案 ========== */
.solutions-list {
    margin-top: 60px;
}

.solution-item {
    display: flex;
    gap: 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(13, 71, 161, 0.08);
    margin-bottom: 30px;
    transition: var(--transition-base);
    border: 1px solid rgba(13, 71, 161, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.solution-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(13, 71, 161, 0.4), transparent);
    transition: left 0.5s ease;
}

.solution-item:hover {
    box-shadow: 0 12px 48px rgba(13, 71, 161, 0.16);
    transform: translateX(8px);
    border-color: rgba(13, 71, 161, 0.15);
}

.solution-item:hover::before {
    left: 100%;
}

.solution-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
}

.solution-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.solution-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-features li {
    background: var(--light-color);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

/* ========== 资讯卡片 ========== */
.news-carousel .item {
    padding: 15px;
}

.news-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(13, 71, 161, 0.1);
    transition: var(--transition-base);
    height: 100%;
    border: 1px solid rgba(13, 71, 161, 0.08);
    position: relative;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 48px rgba(13, 71, 161, 0.18);
    border-color: rgba(13, 71, 161, 0.15);
}

.news-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

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

.news-category {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.news-content {
    padding: 30px;
}

.news-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
    line-height: 1.4;
}

.news-excerpt {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.news-meta span {
    color: var(--text-light);
    font-size: 13px;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition-base);
}

.read-more:hover {
    gap: 10px;
}

/* ========== 数据统计增强 ========== */
.counter-item {
    position: relative;
    padding: 30px;
}

.fh5co-counter {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.counter-plus {
    font-size: 48px;
    color: var(--accent-color);
    font-weight: 700;
    margin-left: 5px;
}

.fh5co-counter-label {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: white;
    margin-top: 15px;
}

.counter-desc {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin-top: 8px;
}

/* ========== 关于我们 ========== */
.about-image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background: var(--gradient-primary);
    padding: 20px 30px;
    border-radius: 16px;
    text-align: center;
    color: white;
}

.badge-year {
    display: block;
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 14px;
    margin-top: 5px;
}

.about-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    margin-top: 30px;
}

.about-feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--light-color);
    border-radius: 12px;
    transition: var(--transition-base);
}

.about-feature-item:hover {
    background: white;
    box-shadow: var(--shadow-sm);
    transform: translateX(10px);
}

.about-feature-item i {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.about-feature-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.about-feature-item p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

.company-quote {
    background: var(--light-color);
    border-left: 4px solid var(--primary-color);
    padding: 20px 30px;
    margin-top: 30px;
    border-radius: 8px;
    font-style: italic;
    color: var(--text-light);
}

/* 企业文化 */
.company-culture {
    margin-top: 80px;
}

.culture-item {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 249, 250, 0.98) 100%);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(13, 71, 161, 0.08);
    transition: var(--transition-base);
    margin-bottom: 30px;
    border: 1px solid rgba(13, 71, 161, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: visible;
}

.culture-item::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(13, 71, 161, 0.1) 0%, transparent 70%);
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 48px rgba(13, 71, 161, 0.16);
    border-color: rgba(13, 71, 161, 0.15);
}

.culture-item:hover::after {
    top: -30%;
    right: -30%;
}

.culture-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: white;
}

.culture-item h4 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.culture-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ========== 联系表单增强 ========== */
.contact-form-enhanced {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.contact-form-enhanced label {
    display: block;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 8px;
    font-size: 14px;
}

.contact-form-enhanced .form-control {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    transition: var(--transition-base);
}

.contact-form-enhanced .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
    outline: none;
}

.contact-form-enhanced textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.contact-info-grid {
    margin-top: 60px;
}

.contact-info-item {
    text-align: center;
    padding: 30px;
    background: rgba(255,255,255,0.05);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 30px;
    transition: var(--transition-base);
}

.contact-info-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: white;
}

.contact-info-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
}

.contact-info-item p {
    color: rgba(255,255,255,0.8);
    margin: 0;
}

.contact-info-item a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition-base);
}

.contact-info-item a:hover {
    color: white;
}

/* ========== Footer 增强 ========== */
.footer-enhanced {
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    padding-top: 80px;
}

.footer-column {
    margin-bottom: 40px;
}

.footer-brand-icon {
    background: var(--gradient-primary);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
}

.footer-brand-text {
    color: white;
    font-size: 14px;
    letter-spacing: 2px;
    font-weight: 600;
    margin-left: 8px;
}

.footer-description {
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    margin-top: 20px;
}

.footer-enhanced h3 {
    color: white;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
}

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

.footer-enhanced ul li {
    margin-bottom: 12px;
}

.footer-enhanced ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-base);
    display: inline-block;
}

.footer-enhanced ul li a:hover {
    color: white;
    transform: translateX(5px);
}

.fh5co-social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    margin-right: 10px;
    transition: var(--transition-base);
    text-decoration: none;
}

.fh5co-social-icons a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-links {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: white;
}

.separator {
    color: rgba(255,255,255,0.3);
}

/* ========== 移动端侧边栏优化 ========== */
#fh5co-offcanvass {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 40px 20px !important;
}

#fh5co-offcanvass .fh5co-lead {
    color: white !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#fh5co-offcanvass ul {
    margin: 20px 0 !important;
    padding: 0 !important;
}

#fh5co-offcanvass ul li {
    margin: 0 !important;
    padding: 0 !important;
}

#fh5co-offcanvass ul li a {
    color: rgba(255, 255, 255, 0.85) !important;
    border-bottom-color: rgba(255, 255, 255, 0.1) !important;
    font-weight: 500;
    font-size: 16px !important;
    padding: 12px 12px !important;
    white-space: normal;
}

#fh5co-offcanvass ul li a:hover,
#fh5co-offcanvass ul li a:focus,
#fh5co-offcanvass ul li a:active {
    color: #42a5f5 !important;
    background: rgba(66, 165, 245, 0.1);
    border-radius: 6px;
    transition: all 0.3s ease;
}

#fh5co-offcanvass ul li.active a {
    color: #42a5f5 !important;
    background: rgba(66, 165, 245, 0.15);
    border-radius: 6px;
}

#fh5co-offcanvass .fh5co-offcanvass-close {
    color: rgba(255, 255, 255, 0.8) !important;
}

#fh5co-offcanvass .fh5co-offcanvass-close i {
    color: #f5576c !important;
}

/* ========== 移动端侧边栏联系信息 ========== */
#fh5co-offcanvass hr {
    border: none !important;
    height: 1px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    margin: 15px 0 !important;
    padding: 0 !important;
}

.mobile-contact-highlight {
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.15) 0%, rgba(66, 165, 245, 0.15) 100%);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    margin-top: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-contact-highlight .fh5co-lead {
    color: white;
    font-size: 18px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-contact-highlight .fh5co-lead i {
    font-size: 20px;
}

.mobile-contact-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-contact-link {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 15px;
    border-radius: 8px;
    color: white;
    text-decoration: none;
    transition: var(--transition-base);
    font-weight: 500;
    font-size: 14px;
    overflow: hidden;
}

.mobile-contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.mobile-contact-link i {
    font-size: 18px;
    color: #42a5f5;
    flex-shrink: 0;
    min-width: 18px;
}

.mobile-contact-link span {
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    flex: 1;
    min-width: 0;
}

.mobile-contact-time {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    padding: 8px 15px;
    line-height: 1.4;
}

.mobile-contact-time i {
    font-size: 16px;
    color: #fbbf24;
    flex-shrink: 0;
    min-width: 16px;
}

/* ========== 返回顶部按钮 ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ========== 响应式设计 ========== */

/* 平板设备 */
@media screen and (max-width: 991px) {
    #fh5co-hero {
        min-height: auto;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-desc {
        font-size: 15px;
    }

    .hero-product-showcase {
        max-width: 400px;
        padding: 30px;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-item {
        padding: 15px 20px;
        min-width: 120px;
    }

    .stat-number {
        font-size: 28px;
    }

    .hero-contact-badge {
        gap: 20px;
        padding: 10px 25px;
    }

    .hero-contact-badge .contact-link {
        font-size: 14px;
    }

    .section-enhanced {
        padding: 60px 0;
    }

    .solution-item {
        flex-direction: column;
        text-align: center;
    }

    .solution-icon {
        margin: 0 auto 20px;
    }

    .footer-links {
        justify-content: flex-start;
        margin-top: 20px;
    }
}

/* 手机设备 */
@media screen and (max-width: 767px) {
    #fh5co-hero {
        min-height: auto;
    }

    .hero-contact-badge {
        flex-direction: column;
        gap: 8px;
        padding: 15px 20px;
        border-radius: 16px;
        margin-bottom: 30px;
    }

    .hero-contact-badge .contact-divider {
        display: none;
    }

    .hero-contact-badge .contact-link {
        font-size: 13px;
        gap: 6px;
    }

    .hero-contact-badge .contact-link i {
        font-size: 16px;
    }

    .hero-main {
        padding: 40px 0 50px;
    }

    .hero-text-content {
        margin-bottom: 30px;
    }

    .hero-title {
        font-size: 26px;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-desc {
        font-size: 14px;
        padding: 0 10px;
    }

    .hero-product-showcase {
        max-width: 300px;
        padding: 20px;
        margin-bottom: 40px;
    }

    .hero-stats {
        gap: 15px;
        padding: 20px 0;
    }

    .stat-item {
        padding: 12px 15px;
        min-width: 100px;
        flex: 1 1 calc(50% - 15px);
    }

    .stat-number {
        font-size: 24px;
    }

    .stat-label {
        font-size: 12px;
    }

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

    .fh5co-feature-card {
        padding: 30px 20px;
    }

    .product-card,
    .news-card {
        margin-bottom: 20px;
    }

    .about-content h3 {
        font-size: 24px;
    }

    .contact-form-enhanced {
        padding: 30px 20px;
    }

    .company-culture {
        margin-top: 40px;
    }

    .about-badge {
        top: 15px;
        right: 15px;
        padding: 15px 20px;
    }

    .badge-year {
        font-size: 36px;
    }

    .solution-features {
        grid-template-columns: 1fr;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* 小手机设备 */
@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 22px;
        letter-spacing: 0.5px;
    }

    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .hero-desc {
        font-size: 13px;
        line-height: 1.7;
    }

    .hero-main {
        padding: 30px 0 40px;
    }

    .hero-product-showcase {
        max-width: 250px;
        padding: 15px;
        margin-bottom: 30px;
    }

    .hero-stats {
        gap: 10px;
        padding: 15px 0;
    }

    .stat-item {
        padding: 10px 12px;
        min-width: auto;
        flex: 1 1 calc(50% - 10px);
    }

    .stat-number {
        font-size: 20px;
    }

    .stat-label {
        font-size: 11px;
    }

    .fh5co-counter {
        font-size: 48px;
    }

    .counter-plus {
        font-size: 36px;
    }

    .fh5co-counter-label {
        font-size: 16px;
    }

    .tech-highlights {
        margin-top: 40px;
    }

    .products-showcase {
        margin-top: 40px;
    }
}

/* ========== 打印样式 ========== */
@media print {
    .navbar-enhanced,
    .hero-buttons,
    .back-to-top,
    .scroll-indicator,
    #fh5co-offcanvass {
        display: none !important;
    }

    .section-enhanced {
        page-break-inside: avoid;
    }
}

/* ========== 高级科技感效果 ========== */

/* 导航栏增强 */
.navbar-enhanced {
    border-bottom: 1px solid rgba(13, 71, 161, 0.15);
}

.navbar-enhanced::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.8s ease;
}

/* Hero 标题光效 */
.fh5co-intro h1 {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.95) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 特性图标增强 */
.fh5co-feature-icon {
    box-shadow: 0 0 30px rgba(13, 71, 161, 0.3);
    position: relative;
}

.fh5co-feature-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.4) 0%, rgba(25, 118, 210, 0.4) 100%);
    border-radius: 20px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.fh5co-feature-card:hover .fh5co-feature-icon::before {
    opacity: 1;
}

/* 技术图标增强 */
.tech-icon {
    box-shadow: 0 0 25px rgba(13, 71, 161, 0.25);
    position: relative;
}

/* 部分标题修饰线 */
.fh5co-section-heading {
    position: relative;
}

.fh5co-section-heading::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: 2px;
}

/* 按钮增强效果 */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

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

/* 返回顶部按钮增强 */
.back-to-top {
    box-shadow: 0 0 20px rgba(13, 71, 161, 0.4);
}

.back-to-top:hover {
    box-shadow: 0 0 30px rgba(13, 71, 161, 0.6);
}

/* 动画优化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}