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

body {
    font-family: 'Microsoft YaHei', 'SimHei', sans-serif;
    line-height: 1.6;
    color: var(--neutral-700, #334155);
    background-color: var(--neutral-50, #f8fafc);
    transition: all 0.3s ease;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1));
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--neutral-200, #e2e8f0);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    height: 40px;
    width: auto;
}

.company-name {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-700, #1d4ed8);
    transition: color 0.3s ease;
}

.company-name:hover {
    color: var(--primary-600, #2563eb);
}

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

.nav-link {
    text-decoration: none;
    color: var(--neutral-700, #334155);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 12px;
    border-radius: var(--radius-md, 0.375rem);
}

.nav-link:hover {
    color: var(--primary-600, #2563eb);
    background-color: var(--primary-50, #eff6ff);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-accent, linear-gradient(135deg, #f97316 0%, #ea580c 100%));
    transition: width 0.3s ease;
    border-radius: 1px;
}

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

.nav-link.active {
    color: var(--primary-600, #2563eb);
    background-color: var(--primary-100, #dbeafe);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主横幅样式 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-hero, linear-gradient(135deg, #0f172a 0%, #1d4ed8 30%, #2563eb 70%, #f97316 100%));
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.decoration {
    position: absolute;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.decoration-1 {
    top: 20%;
    left: 10%;
    width: 100px;
    animation-delay: 0s;
}

.decoration-2 {
    bottom: 20%;
    right: 10%;
    width: 80px;
    animation-delay: 3s;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: var(--radius-full, 9999px);
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.btn::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;
}

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

.btn-primary {
    background: var(--gradient-accent, linear-gradient(135deg, #f97316 0%, #ea580c 100%));
    color: white;
    border: none;
    box-shadow: var(--shadow-lg, 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1));
}

.btn-primary:hover {
    background: var(--accent-600, #ea580c);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl, 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1));
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-700, #1d4ed8);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl, 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1));
}

.btn-outline {
    background: transparent;
    color: var(--primary-600, #2563eb);
    border: 2px solid var(--primary-600, #2563eb);
}

.btn-outline:hover {
    background: var(--primary-600, #2563eb);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-colored, 0 10px 15px -3px rgb(59 130 246 / 0.1), 0 4px 6px -4px rgb(59 130 246 / 0.1));
}

/* 公司简介样式 */
.company-intro {
    padding: 100px 0;
    background: var(--gradient-secondary, linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%));
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    color: var(--primary-700, #1d4ed8);
    margin-bottom: 30px;
    background: var(--gradient-primary, linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #f97316 100%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--neutral-600, #475569);
    margin-bottom: 40px;
}

.intro-features {
    display: flex;
    gap: 40px;
}

.feature-item {
    text-align: center;
}

.feature-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-500, #f97316);
    margin-bottom: 5px;
    text-shadow: 0 2px 4px rgba(249, 115, 22, 0.2);
}

.feature-text {
    font-size: 0.9rem;
    color: var(--neutral-600, #475569);
}

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

.intro-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl, 0.75rem);
    box-shadow: var(--shadow-2xl, 0 25px 50px -12px rgb(0 0 0 / 0.25));
    transition: transform 0.3s ease;
}

.intro-img:hover {
    transform: scale(1.02);
}

/* 服务领域样式 */
.services {
    padding: 100px 0;
    background: var(--neutral-50, #f8fafc);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    color: var(--primary-700, #1d4ed8);
    margin-bottom: 20px;
    background: var(--gradient-primary, linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #f97316 100%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--neutral-600, #475569);
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.service-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: var(--radius-2xl, 1rem);
    background: white;
    box-shadow: var(--shadow-md, 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1));
    transition: all 0.3s ease;
    border: 1px solid var(--neutral-200, #e2e8f0);
}

.service-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl, 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1));
    border-color: var(--primary-200, #bfdbfe);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: block;
}

.service-item h3 {
    font-size: 1.3rem;
    color: var(--primary-700, #1d4ed8);
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.service-item:hover h3 {
    color: var(--accent-500, #f97316);
}

.service-item p {
    color: var(--neutral-600, #475569);
    line-height: 1.6;
}

/* 核心技术样式 */
.core-technology {
    padding: 100px 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.tech-text h2 {
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 10px;
}

.tech-text h3 {
    font-size: 1.5rem;
    color: #F59E0B;
    margin-bottom: 30px;
}

.tech-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #64748B;
    margin-bottom: 30px;
}

.tech-features {
    list-style: none;
    margin-bottom: 40px;
}

.tech-features li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: #475569;
}

.tech-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10B981;
    font-weight: bold;
}

.tech-arch-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.tech-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.showcase-item {
    text-align: center;
}

.showcase-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.showcase-img:hover {
    transform: scale(1.05);
}

/* 新闻动态样式 */
.news {
    padding: 100px 0;
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.news-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 30px;
}

.news-content h3 {
    font-size: 1.3rem;
    color: #1E3A8A;
    margin-bottom: 15px;
}

.news-content p {
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 20px;
}

.news-date {
    color: #F59E0B;
    font-size: 0.9rem;
    font-weight: 600;
}

.news-more {
    text-align: center;
}

/* 联系CTA样式 */
.contact-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 页脚样式 */
.footer {
    background: #1F2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: #F59E0B;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #D1D5DB;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #F59E0B;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #9CA3AF;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 滚动效果 */
html {
    scroll-behavior: smooth;
}

/* 加载动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* About页面特定样式 */
.page-header {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.company-values {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    flex: 1;
}

.value-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

.value-item h3 {
    font-size: 1.2rem;
    color: #1E3A8A;
    margin-bottom: 10px;
}

.value-item p {
    color: #64748B;
    font-size: 0.9rem;
}

.company-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.company-history {
    padding: 100px 0;
    background: white;
}

.company-history h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #E2E8F0;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
}

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

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    background: #F59E0B;
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    width: 45%;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
    margin-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
    margin-right: 0;
}

.timeline-content h3 {
    color: #1E3A8A;
    margin-bottom: 15px;
}

.timeline-content p {
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 15px;
}

.timeline-image {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

.team-intro {
    padding: 100px 0;
    background: #F8FAFC;
}

.team-intro h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.team-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.team-description {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.team-feature h3 {
    color: #1E3A8A;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.team-feature ul {
    list-style: none;
    padding-left: 0;
}

.team-feature li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #64748B;
    line-height: 1.6;
}

.team-feature li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #F59E0B;
    font-weight: bold;
}

.team-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mentors {
    padding: 100px 0;
    background: white;
}

.mentors h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.mentors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.mentor-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.mentor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.mentor-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: block;
    object-fit: cover;
}

.mentor-info h3 {
    color: #1E3A8A;
    margin-bottom: 10px;
}

.mentor-title {
    color: #F59E0B;
    font-weight: 600;
    margin-bottom: 15px;
}

.mentor-desc {
    color: #64748B;
    line-height: 1.6;
    font-size: 0.9rem;
}

.company-culture {
    padding: 100px 0;
    background: #F8FAFC;
}

.company-culture h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.culture-item {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.culture-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: block;
}

.culture-item h3 {
    color: #1E3A8A;
    margin-bottom: 15px;
}

.culture-item p {
    color: #64748B;
    line-height: 1.6;
}

.qualifications {
    padding: 100px 0;
    background: white;
}

.qualifications h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.qualifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.qualification-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.qualification-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.qualification-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: block;
    object-fit: contain;
}

.qualification-item h3 {
    color: #1E3A8A;
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    color: #D1D5DB;
    text-decoration: none;
    padding: 8px 15px;
    border: 1px solid #374151;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: #F59E0B;
    border-color: #F59E0B;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #F59E0B;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    background: #D97706;
    transform: translateY(-2px);
}

/* 成功案例页面样式 */
.cases-overview {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    background: white;
    padding: 40px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #1E3A8A;
    margin-bottom: 10px;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
}

.case-section {
    padding: 80px 0;
    border-bottom: 1px solid #eee;
}

.case-section:nth-child(even) {
    background: #f8f9fa;
}

.case-header {
    text-align: center;
    margin-bottom: 60px;
}

.case-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: 50%;
    object-fit: cover;
}

.case-header h2 {
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 15px;
}

.case-header p {
    font-size: 1.2rem;
    color: #666;
}

.case-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.case-info h3 {
    font-size: 1.8rem;
    color: #1E3A8A;
    margin-bottom: 30px;
}

.case-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.detail-item {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.detail-item strong {
    color: #1E3A8A;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 10px;
}

.detail-item p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

.detail-item ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
}

.detail-item li {
    color: #666;
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.detail-item li:before {
    content: "✓";
    color: #F59E0B;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.case-result-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.tech-advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
}

.tech-advantages h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: white;
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.advantage-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: white;
}

.advantage-text p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
    opacity: 0.9;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.advantage-icon {
    background: #F59E0B;
    color: white;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
}

/* 页面加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loader::before {
    content: '';
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.tech-comparison-chart {
    width: 100%;
    height: auto;
    border-radius: 15px;
}

.customer-feedback {
    padding: 80px 0;
    background: #f8f9fa;
}

.customer-feedback h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.feedback-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feedback-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feedback-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feedback-content {
    margin-bottom: 30px;
}

.feedback-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
    font-style: italic;
    position: relative;
    padding: 0 20px;
}

.feedback-content p:before {
    content: "

/* 产品页面样式 */
/* 产品英雄区域优化 */
.product-hero {
    padding: 120px 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 50%, #F1F5F9 100%);
    position: relative;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(30, 58, 138, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
}

.product-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.product-content {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.product-logo {
    margin-bottom: 25px;
    animation: fadeInLeft 0.8s ease-out;
}

.product-logo-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.product-hero h2 {
    font-size: 2.8rem;
    color: #1E3A8A;
    margin-bottom: 25px;
    font-weight: 700;
    line-height: 1.2;
    animation: fadeInLeft 0.8s ease-out 0.2s both;
}

.product-tagline {
    font-size: 1.3rem;
    color: #64748B;
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInLeft 0.8s ease-out 0.4s both;
}

.product-highlights {
    display: flex;
    gap: 50px;
    margin-bottom: 40px;
    animation: fadeInLeft 0.8s ease-out 0.6s both;
}

.highlight-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    flex: 1;
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.highlight-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 800;
    color: #F59E0B;
    margin-bottom: 12px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.highlight-text {
    font-size: 1.1rem;
    color: #64748B;
    font-weight: 600;
}

.demo-link {
    margin-top: 30px;
    animation: fadeInLeft 0.8s ease-out 0.8s both;
}

.product-architecture {
    animation: fadeInRight 0.8s ease-out 0.4s both;
}

.architecture-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.architecture-image:hover {
    transform: scale(1.02);
}

/* 技术特点样式 */
.tech-features {
    padding: 100px 0;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
    position: relative;
}

.tech-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(30,58,138,0.05)"/></pattern></defs><rect width="60" height="60" fill="url(%23dots)"/></svg>');
}

.tech-features .container {
    position: relative;
    z-index: 2;
}

.tech-features h2 {
    font-size: 2.8rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 20px;
    font-weight: 700;
    animation: fadeInUp 0.8s ease-out;
}

.tech-features .section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #64748B;
    margin-bottom: 70px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(226, 232, 240, 0.5);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out calc(var(--delay, 0) * 0.1s) both;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3B82F6, #F59E0B);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    color: #1E3A8A;
    margin-bottom: 18px;
    font-size: 1.5rem;
    font-weight: 700;
}

.feature-card p {
    color: #64748B;
    line-height: 1.7;
    font-size: 1rem;
}

/* 技术流程样式 */
.tech-process {
    padding: 100px 0;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
    position: relative;
}

.tech-process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hexagons" width="28" height="49" patternUnits="userSpaceOnUse"><polygon points="14,1 25,7 25,21 14,27 3,21 3,7" fill="none" stroke="rgba(30,58,138,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>');
}

.tech-process .container {
    position: relative;
    z-index: 2;
}

.tech-process h2 {
    font-size: 2.8rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 20px;
    font-weight: 700;
    animation: fadeInUp 0.8s ease-out;
}

.tech-process .section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #64748B;
    margin-bottom: 70px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.process-diagram {
    text-align: center;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.process-image {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.process-image:hover {
    transform: scale(1.02);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.step-item {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(226, 232, 240, 0.5);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out calc(0.6s + var(--delay, 0) * 0.1s) both;
}

.step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #F59E0B, #EF4444);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.step-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

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

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #F59E0B, #EF4444);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0 auto 25px;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
    transition: transform 0.3s ease;
}

.step-item:hover .step-number {
    transform: scale(1.1);
}

.step-item h3 {
    color: #1E3A8A;
    margin-bottom: 18px;
    font-size: 1.4rem;
    font-weight: 700;
}

.step-item p {
    color: #64748B;
    line-height: 1.7;
    font-size: 1rem;
}

/* 防护效果样式 */
.protection-effects {
    padding: 100px 0;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);
    position: relative;
}

.protection-effects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 80"><defs><pattern id="shield" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M20,5 L30,10 L30,25 C30,30 25,35 20,35 C15,35 10,30 10,25 L10,10 Z" fill="none" stroke="rgba(30,58,138,0.03)" stroke-width="1"/></pattern></defs><rect width="80" height="80" fill="url(%23shield)"/></svg>');
}

.protection-effects .container {
    position: relative;
    z-index: 2;
}

.protection-effects h2 {
    font-size: 2.8rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 20px;
    font-weight: 700;
    animation: fadeInUp 0.8s ease-out;
}

.protection-effects .section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #64748B;
    margin-bottom: 70px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.effects-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.comparison-before,
.comparison-after {
    text-align: center;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.comparison-before h3 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: #DC2626;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.comparison-after h3 {
    font-size: 2rem;
    margin-bottom: 40px;
    color: #059669;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.comparison-before h3::before {
    content: '⚠️';
    font-size: 1.5rem;
}

.comparison-after h3::before {
    content: '🛡️';
    font-size: 1.5rem;
}

.comparison-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    margin-bottom: 40px;
    transition: transform 0.3s ease;
}

.comparison-image:hover {
    transform: scale(1.02);
}

.effect-list {
    list-style: none;
    padding: 0;
    text-align: left;
    max-width: 450px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.effect-list li {
    padding: 15px 0;
    padding-left: 40px;
    position: relative;
    line-height: 1.7;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

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

.effect-list.negative li {
    color: #DC2626;
}

.effect-list.positive li {
    color: #059669;
}

.effect-list.negative li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: #DC2626;
    font-weight: bold;
    font-size: 1.3rem;
    width: 30px;
    height: 30px;
    background: rgba(220, 38, 38, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.effect-list.positive li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
    font-size: 1.3rem;
    width: 30px;
    height: 30px;
    background: rgba(5, 150, 105, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 安全指标样式 */
.security-metrics {
    padding: 100px 0;
    background: #F8FAFC;
}

.security-metrics h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.metric-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.metric-icon {
    margin-bottom: 20px;
}

.metric-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #F59E0B;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 1.2rem;
    color: #1E3A8A;
    margin-bottom: 15px;
    font-weight: 600;
}

.metric-card p {
    color: #64748B;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* 服务领域样式 */
.service-areas {
    padding: 100px 0;
    background: white;
}

.service-areas h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.area-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.area-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.area-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: block;
    object-fit: contain;
}

.area-card h3 {
    color: #1E3A8A;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.area-card p {
    color: #64748B;
    line-height: 1.6;
}

/* 服务范围样式 */
.service-scope {
    padding: 100px 0;
    background: #F8FAFC;
}

.service-scope h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.scope-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.scope-description {
    text-align: center;
}

.scope-description p {
    font-size: 1.2rem;
    color: #64748B;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.scope-process {
    text-align: center;
}

.process-flow-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.scope-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.service-item {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: block;
    object-fit: contain;
}

.service-item h3 {
    color: #1E3A8A;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.service-item p {
    color: #64748B;
    line-height: 1.6;
}

/* 产品演示样式 */
.product-demo {
    padding: 100px 0;
    background: white;
}

.product-demo h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.demo-info h3 {
    font-size: 1.8rem;
    color: #1E3A8A;
    margin-bottom: 20px;
}

.demo-info p {
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 30px;
}

.demo-screenshots {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.screenshot-item {
    text-align: center;
}

.demo-screenshot {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
}

.screenshot-item p {
    color: #64748B;
    font-size: 0.9rem;
}

/* 数据展示样式 */
.data-showcase {
    padding: 100px 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
}

.data-showcase h2 {
    text-align: center;
    font-size: 2.5rem;
    color: white;
    margin-bottom: 60px;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.data-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.data-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.data-icon {
    margin-bottom: 20px;
}

.data-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.data-value {
    font-size: 3rem;
    font-weight: bold;
    color: #F59E0B;
    margin-bottom: 10px;
    display: block;
}

.data-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
}

.data-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 客户Logo墙样式 */
.client-logos {
    padding: 80px 0;
    background: white;
}

.client-logos h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 60px;
}

.logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    align-items: center;
    justify-items: center;
}

.logo-item {
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.client-logo {
    width: 100px;
    height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.logo-item:hover .client-logo {
    filter: grayscale(0%);
}

/* 新闻页面样式 */
.news-categories {
    padding: 40px 0;
    background: #F8FAFC;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    background: white;
    border: 2px solid #E2E8F0;
    border-radius: 25px;
    color: #64748B;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    border-color: #1E3A8A;
    color: #1E3A8A;
}

.tab-btn.active {
    background: #1E3A8A;
    border-color: #1E3A8A;
    color: white;
}

/* 热门新闻样式 */
.featured-news {
    padding: 80px 0;
    background: white;
}

.featured-news h2 {
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 40px;
    text-align: center;
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.article-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
}

.featured-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.article-content {
    padding: 20px;
}

.article-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.category {
    background: #F59E0B;
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.date {
    color: #64748B;
    font-size: 0.9rem;
}

.article-content h3 {
    font-size: 1.8rem;
    color: #1E3A8A;
    margin-bottom: 15px;
    line-height: 1.3;
}

.article-content p {
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 20px;
}

.read-more {
    color: #1E3A8A;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #F59E0B;
}

/* 新闻列表样式 */
.news-list {
    padding: 80px 0;
    background: #F8FAFC;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.news-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.news-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-content {
    padding: 25px;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.news-content h3 {
    font-size: 1.3rem;
    color: #1E3A8A;
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-content p {
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 15px;
    background: white;
    border: 2px solid #E2E8F0;
    border-radius: 8px;
    color: #64748B;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover {
    border-color: #1E3A8A;
    color: #1E3A8A;
}

.page-btn.active {
    background: #1E3A8A;
    border-color: #1E3A8A;
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-btn:disabled:hover {
    border-color: #E2E8F0;
    color: #64748B;
}

/* 联系我们页面样式 */
.page-header {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 50%, #1E40AF 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out;
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background: #F8FAFC;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.contact-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #E2E8F0;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-color: #1E3A8A;
}

.contact-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(214deg) brightness(97%) contrast(97%);
}

.contact-card h3 {
    font-size: 1.5rem;
    color: #1E3A8A;
    margin-bottom: 15px;
    font-weight: 600;
}

.contact-card p {
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 8px;
}

/* 联系表单部分 */
.contact-form-section {
    padding: 80px 0;
    background: white;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #E2E8F0;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 15px;
    font-weight: bold;
}

.form-header p {
    color: #64748B;
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    border: 2px solid #E2E8F0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1E3A8A;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.95rem;
    color: #64748B;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #E2E8F0;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #1E3A8A;
    border-color: #1E3A8A;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.privacy-link {
    color: #1E3A8A;
    text-decoration: none;
    font-weight: 500;
}

.privacy-link:hover {
    text-decoration: underline;
}

.submit-btn {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    padding: 18px 40px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: center;
    min-width: 200px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.3);
}

/* 地图部分 */
.map-section {
    padding: 80px 0;
    background: #F8FAFC;
}

.map-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 50px;
    font-weight: bold;
}

.map-container {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.map-placeholder {
    position: relative;
    height: 400px;
    background: #E2E8F0;
}

.map-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-overlay {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.map-overlay p {
    margin-bottom: 15px;
    color: #374151;
    font-weight: 500;
}

.map-btn {
    background: #1E3A8A;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.map-btn:hover {
    background: #3B82F6;
    transform: translateY(-2px);
}

/* 服务支持部分 */
.service-support {
    padding: 80px 0;
    background: white;
}

.service-support h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 50px;
    font-weight: bold;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.support-item {
    background: #F8FAFC;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.support-item:hover {
    transform: translateY(-5px);
    border-color: #1E3A8A;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.support-icon {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.support-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(214deg) brightness(97%) contrast(97%);
}

.support-item h3 {
    font-size: 1.5rem;
    color: #1E3A8A;
    margin-bottom: 15px;
    font-weight: 600;
}

.support-item p {
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 8px;
}

.support-link {
    display: inline-block;
    margin-top: 20px;
    color: #1E3A8A;
    text-decoration: none;
    font-weight: 600;
    padding: 10px 20px;
    border: 2px solid #1E3A8A;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.support-link:hover {
    background: #1E3A8A;
    color: white;
    transform: translateY(-2px);
}

/* FAQ部分 */
.faq-section {
    padding: 80px 0;
    background: #F8FAFC;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1E3A8A;
    margin-bottom: 50px;
    font-weight: bold;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #E2E8F0;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #F8FAFC;
}

.faq-question h3 {
    font-size: 1.2rem;
    color: #1E3A8A;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #1E3A8A;
    font-weight: bold;
    transition: all 0.3s ease;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #F8FAFC;
}

.faq-item.active .faq-toggle {
    background: #1E3A8A;
    color: white;
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #F8FAFC;
}

.faq-item.active .faq-answer {
    padding: 0 30px 25px;
    max-height: 200px;
}

.faq-answer p {
    color: #64748B;
    line-height: 1.6;
    margin: 0;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #1E3A8A;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.3);
}

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

.back-to-top:hover {
    background: #3B82F6;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.4);
}

/* 招聘页面样式 */
.company-culture {
    padding: 80px 0;
    background: #F8FAFC;
}

.company-culture h2 {
    font-size: 2.5rem;
    text-align: center;
    color: #1E3A8A;
    margin-bottom: 60px;
    font-weight: bold;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.culture-item {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.culture-img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.culture-item h3 {
    color: #1E3A8A;
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.culture-item p {
    color: #64748B;
    line-height: 1.6;
    font-size: 1rem;
}

/* 招聘职位部分 */
.job-positions {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.job-positions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    z-index: 0;
}

.job-positions .container {
    position: relative;
    z-index: 1;
}

.job-positions h2 {
    font-size: 2.8rem;
    text-align: center;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 50px;
    font-weight: 700;
    position: relative;
}

.job-positions h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    border-radius: 2px;
}

.job-filters {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    padding: 0 20px;
}

.filter-btn {
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid transparent;
    border-radius: 30px;
    color: #64748B;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    min-width: 120px;
    text-align: center;
    position: relative;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    border-radius: 30px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.filter-btn:hover,
.filter-btn.active {
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.4);
    border-color: transparent;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    opacity: 1;
}

.job-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 35px;
    padding: 0 20px;
}

.job-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.job-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 50%, #8B5CF6 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.job-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    border-color: rgba(30, 58, 138, 0.3);
}

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

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 15px;
}

.job-header h3 {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    flex: 1;
    line-height: 1.3;
}

.job-type {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    position: relative;
    overflow: hidden;
}

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

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

.job-info {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.job-location,
.job-salary,
.job-experience {
    background: rgba(248, 250, 252, 0.8);
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 0.9rem;
    color: #64748B;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.job-location:hover,
.job-salary:hover,
.job-experience:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9);
}

.job-location::before {
    content: "📍";
    font-size: 1rem;
}

.job-salary::before {
    content: "💰";
    font-size: 1rem;
}

.job-experience::before {
    content: "⏳";
    font-size: 1rem;
}

.job-salary {
    background: linear-gradient(135deg, rgba(255, 251, 235, 0.9) 0%, rgba(254, 243, 199, 0.9) 100%);
    color: #D97706;
    border: 1px solid rgba(253, 230, 138, 0.8);
    font-weight: 700;
}

.job-description {
    margin-bottom: 25px;
    flex: 1;
}

.job-description p {
    color: #374151;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 1rem;
}

.job-requirements h4 {
    color: #1E3A8A;
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 600;
    border-bottom: 2px solid #E2E8F0;
    padding-bottom: 8px;
}

.job-requirements ul {
    color: #64748B;
    line-height: 1.6;
    padding-left: 20px;
    margin-bottom: 25px;
}

.job-requirements li {
    margin-bottom: 10px;
    position: relative;
}

.job-requirements li::before {
    content: "•";
    color: #1E3A8A;
    font-weight: bold;
    position: absolute;
    left: -15px;
}

.job-actions {
    display: flex;
    gap: 18px;
    margin-top: auto;
    padding-top: 25px;
    border-top: 1px solid rgba(226, 232, 240, 0.6);
}

.apply-btn,
.collect-btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.apply-btn {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.4);
}

.apply-btn::after {
    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 0.6s ease;
}

.apply-btn:hover {
    background: linear-gradient(135deg, #3B82F6 0%, #1E40AF 100%);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 30px rgba(30, 58, 138, 0.5);
}

.apply-btn:hover::after {
    left: 100%;
}

.apply-btn::before {
    content: "📝";
    font-size: 1.1rem;
}

.collect-btn {
    background: rgba(248, 250, 252, 0.9);
    color: #64748B;
    border: 2px solid rgba(226, 232, 240, 0.8);
    backdrop-filter: blur(5px);
}

.collect-btn:hover {
    background: rgba(226, 232, 240, 0.9);
    color: #374151;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border-color: rgba(148, 163, 184, 0.8);
}

.collect-btn::before {
    content: "❤️";
    font-size: 1.1rem;
}

.collect-btn.collected {
    background: linear-gradient(135deg, rgba(254, 226, 226, 0.9) 0%, rgba(252, 165, 165, 0.9) 100%);
    color: #DC2626;
    border-color: rgba(248, 113, 113, 0.8);
}

.collect-btn.collected::before {
    content: "❤️";
}



/* 申请流程部分 */
.application-process {
    padding: 100px 0;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    position: relative;
    overflow: hidden;
}

.application-process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    z-index: 0;
}

.application-process .container {
    position: relative;
    z-index: 1;
}

.application-process h2 {
    font-size: 3rem;
    text-align: center;
    color: white;
    margin-bottom: 80px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
}

.application-process h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    border-radius: 2px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.6) 50%, rgba(255, 255, 255, 0.3) 100%);
    z-index: 0;
    display: none;
}

@media (min-width: 1024px) {
    .process-steps::before {
        display: block;
    }
}

.step {
    background: rgba(255, 255, 255, 0.95);
    padding: 50px 35px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.step:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 25px;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
    position: relative;
    overflow: hidden;
}

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

.step:hover .step-number::before {
    left: 100%;
}

.step h3 {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.step p {
    color: #64748B;
    line-height: 1.7;
    font-size: 1.1rem;
    font-weight: 500;
}

/* 联系我们部分 */
.contact-hr {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.contact-hr::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hexagon" width="28" height="24" patternUnits="userSpaceOnUse"><polygon points="14,2 26,8 26,16 14,22 2,16 2,8" fill="none" stroke="%23e2e8f0" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagon)"/></svg>');
    opacity: 0.6;
    z-index: 0;
}

.contact-hr .container {
    position: relative;
    z-index: 1;
}

.contact-hr h2 {
    font-size: 3rem;
    text-align: center;
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 80px;
    font-weight: 700;
    position: relative;
}

.contact-hr h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    border-radius: 2px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.contact-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 50%, #8B5CF6 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-item:hover {
    transform: translateY(-12px) scale(1.05);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

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

.contact-item h3 {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.6rem;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
}

.contact-item h3::before {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.contact-item:nth-child(1) h3::before {
    content: "📧";
}

.contact-item:nth-child(2) h3::before {
    content: "📞";
}

.contact-item:nth-child(3) h3::before {
    content: "📍";
}

.contact-item p {
    color: #374151;
    font-size: 1.2rem;
    font-weight: 600;
    background: rgba(248, 250, 252, 0.8);
    padding: 15px 25px;
    border-radius: 15px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
}

.contact-item:hover p {
    background: rgba(226, 232, 240, 0.9);
    transform: scale(1.05);
}