/* 快车道营销策划官网样式 */
/* 基础样式将在后续任务中实现 */

:root {
    --vh: 1vh;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 移动端优化 */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

*,
*::before,
*::after {
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'PingFang SC', 'Source Han Sans CN', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 基础布局 */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Breadcrumb Navigation */
.breadcrumb {
    background: #f8f9fa;
    padding: 12px 0;
    margin-top: 80px;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 14px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
    content: '>';
    margin: 0 8px;
    color: #6c757d;
    font-size: 12px;
}

.breadcrumb-item a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: #0056b3;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #6c757d;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.main-content {
    margin-top: 80px;
}

/* Hero Section Styles */
.hero {
    min-height: 100vh;
    min-height: calc(var(--vh, 1vh) * 100);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    color: white;
    text-align: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 50%, #FFB366 100%);
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/assets/images/hero-pattern.svg') repeat;
    opacity: 0.1;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(255, 105, 0, 0.8) 0%,
        rgba(255, 133, 51, 0.6) 50%,
        rgba(255, 179, 102, 0.4) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: 0 20px;
    animation: heroFadeIn 1.2s ease-out;
}

.hero-text {
    margin-bottom: 50px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: slideInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 20px;
    opacity: 0.95;
    font-weight: 500;
    animation: slideInUp 0.8s ease-out 0.4s both;
}

.hero-description {
    font-size: 1.4rem;
    margin-bottom: 16px;
    opacity: 0.9;
    font-weight: 600;
    color: #FFF3E0;
    animation: slideInUp 0.8s ease-out 0.6s both;
}

.hero-service {
    font-size: 1.2rem;
    opacity: 0.85;
    font-weight: 400;
    line-height: 1.5;
    animation: slideInUp 0.8s ease-out 0.8s both;
}

.hero-cta {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 0.8s ease-out 1s both;
}

.btn {
    display: inline-block;
    padding: 18px 36px;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    min-width: 160px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
}

.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: rgba(255, 255, 255, 0.95);
    color: #FF6900;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    animation: scrollPulse 2s infinite;
}

/* Animations */
@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.6rem;
    }
    
    .hero-description {
        font-size: 1.3rem;
    }
    
    .hero-service {
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 768px) {
    .hero-content {
        padding: 0 24px;
    }
    
    .hero-title {
        font-size: 2.8rem;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
        margin-bottom: 16px;
    }
    
    .hero-description {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .hero-service {
        font-size: 1rem;
    }
    
    .hero-text {
        margin-bottom: 40px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 16px 32px;
        font-size: 1rem;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .btn:active {
        transform: translateY(-1px) scale(0.98);
    }
}

@media screen and (max-width: 480px) {
    .hero-content {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-service {
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 14px 28px;
        font-size: 0.95rem;
        max-width: 260px;
    }
}

@media screen and (max-width: 360px) {
    .hero-title {
        font-size: 1.9rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-service {
        font-size: 0.9rem;
    }
}

/* Core Advantages Section */
.advantages {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23FF6900" fill-opacity="0.03"><circle cx="30" cy="30" r="2"/></g></svg>') repeat;
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    font-weight: 400;
}

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

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 105, 0, 0.1);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.05) 0%, rgba(255, 133, 51, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 105, 0, 0.15);
    border-color: rgba(255, 105, 0, 0.3);
}

.advantage-icon {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.1) 0%, rgba(255, 133, 51, 0.05) 100%);
    border-radius: 50%;
    margin: 0 auto 24px;
    transition: all 0.4s ease;
}

.advantage-card:hover .advantage-icon {
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.2) 0%, rgba(255, 133, 51, 0.1) 100%);
    transform: scale(1.1);
}

.advantage-icon svg {
    transition: all 0.4s ease;
}

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

.advantage-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
}

.advantage-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: #FF6900;
    margin-bottom: 12px;
    line-height: 1;
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.advantage-description {
    font-size: 1.1rem;
    font-weight: 600;
    color: #555;
    margin-bottom: 12px;
}

.advantage-detail {
    font-size: 0.95rem;
    color: #777;
    line-height: 1.5;
    opacity: 0.8;
}

/* Responsive Design for Advantages */
@media screen and (max-width: 1024px) {
    .advantages {
        padding: 80px 0;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .advantage-card {
        padding: 35px 25px;
    }
    
    .advantage-number {
        font-size: 3rem;
    }
}

@media screen and (max-width: 768px) {
    .advantages {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .advantage-card {
        padding: 30px 20px;
    }

    /* 移动端触摸反馈 */
    .advantage-card:active {
        transform: translateY(-5px) scale(0.98);
        box-shadow: 0 15px 35px rgba(255, 105, 0, 0.12);
    }
    
    .advantage-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .advantage-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .advantage-title {
        font-size: 1.2rem;
    }
    
    .advantage-number {
        font-size: 2.8rem;
    }
    
    .advantage-description {
        font-size: 1rem;
    }
    
    .advantage-detail {
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 480px) {
    .advantages {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.9rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .advantage-card {
        padding: 25px 15px;
        border-radius: 16px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 16px;
    }
    
    .advantage-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .advantage-title {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .advantage-number {
        font-size: 2.4rem;
        margin-bottom: 8px;
    }
    
    .advantage-description {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }
    
    .advantage-detail {
        font-size: 0.85rem;
    }
}

/* Footer Styles */
.footer {
    background: #2c3e50;
    color: #ecf0f1;
    margin-top: auto;
}

.footer-main {
    padding: 80px 0 40px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    position: relative;
}

.footer-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23FF6900" fill-opacity="0.03"><circle cx="30" cy="30" r="2"/></g></svg>') repeat;
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.footer-section h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #FF6900;
    margin-bottom: 24px;
    position: relative;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: #FF6900;
    border-radius: 1px;
}

/* Company Info Section */
.footer-brand {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    object-fit: contain;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ecf0f1;
    margin: 0;
}

.footer-tagline {
    font-size: 0.9rem;
    color: #FF6900;
    font-weight: 500;
    margin: 8px 0 0 0;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #bdc3c7;
    margin-bottom: 30px;
}

.footer-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-stats .stat-item {
    text-align: center;
}

.footer-stats .stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: #FF6900;
    line-height: 1;
    margin-bottom: 4px;
}

.footer-stats .stat-label {
    font-size: 0.85rem;
    color: #95a5a6;
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 0;
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background: #FF6900;
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: #FF6900;
    padding-left: 16px;
}

.footer-links a:hover::before {
    width: 12px;
}

/* Contact Info */
.footer-contact {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 16px;
    font-size: 0.95rem;
    color: #bdc3c7;
}

.contact-icon {
    margin-right: 12px;
    margin-top: 2px;
    color: #FF6900;
    flex-shrink: 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-info span {
    line-height: 1.4;
}

/* Footer CTA Button */
.footer-cta {
    margin-top: 20px;
}

.footer-btn {
    display: inline-block;
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 105, 0, 0.3);
}

.footer-btn:hover {
    background: linear-gradient(135deg, #e55a00 0%, #e6751a 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 0, 0.4);
}

/* Footer Bottom */
.footer-bottom {
    background: #1a252f;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 105, 0, 0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-copyright p {
    margin: 0;
    font-size: 0.9rem;
    color: #95a5a6;
}

.footer-copyright a {
    color: #95a5a6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: #FF6900;
}

.footer-certifications {
    display: flex;
    gap: 20px;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 105, 0, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(255, 105, 0, 0.2);
}

.cert-badge svg {
    color: #FF6900;
}

.cert-badge span {
    font-size: 0.85rem;
    color: #bdc3c7;
    font-weight: 500;
}

/* Responsive Design for Footer */
@media screen and (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 40px;
    }
    
    .footer-stats {
        gap: 20px;
    }
    
    .footer-stats .stat-number {
        font-size: 1.6rem;
    }
}

@media screen and (max-width: 768px) {
    .footer-main {
        padding: 60px 0 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 20px;
    }
    
    .footer-stats {
        justify-content: center;
        gap: 40px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-certifications {
        justify-content: center;
    }
}

@media screen and (max-width: 480px) {
    .footer-main {
        padding: 50px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-section:first-child {
        grid-column: 1;
    }
    
    .footer-brand {
        justify-content: center;
    }
    
    .footer-stats {
        gap: 30px;
    }
    
    .footer-stats .stat-number {
        font-size: 1.4rem;
    }
    
    .footer-links a:hover {
        padding-left: 0;
    }
    
    .footer-links a::before {
        display: none;
    }
    
    .footer-certifications {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .cert-badge {
        justify-content: center;
    }
}

@media screen and (max-width: 360px) {
    .footer-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-stats .stat-number {
        font-size: 1.2rem;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
    
    .cert-badge {
        padding: 6px 12px;
    }
    
    .cert-badge span {
        font-size: 0.8rem;
    }
}

/* 导航样式 */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.nav-container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #333;
}

.nav-brand .logo {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    object-fit: contain;
}

.nav-brand .brand-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-item {
    margin: 0 20px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #FF6900;
}

.nav-link.active {
    color: #FF6900;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #FF6900;
}

/* 移动端汉堡菜单 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 移动端汉堡菜单动画 */
.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 响应式设计 - 增强移动端体验 */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        height: calc(100vh - 80px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

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

    .nav-item {
        margin: 15px 0;
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.3s ease;
    }

    .nav-menu.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu.active .nav-item:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active .nav-item:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active .nav-item:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active .nav-item:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active .nav-item:nth-child(5) { transition-delay: 0.3s; }

    .nav-link {
        font-size: 1.1rem;
        padding: 15px 20px;
        display: block;
        border-radius: 8px;
        margin: 0 20px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 105, 0, 0.1), transparent);
        transition: left 0.5s;
    }

    .nav-link:active::before {
        left: 100%;
    }

    .nav-link:active {
        background: rgba(255, 105, 0, 0.1);
        transform: scale(0.98);
    }

    .nav-toggle {
        display: flex;
        padding: 8px;
        border-radius: 4px;
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .nav-toggle:active {
        background: rgba(255, 105, 0, 0.1);
        transform: scale(0.95);
    }

    .nav-brand .brand-name {
        font-size: 1.3rem;
    }

    .nav-brand .logo {
        width: 35px;
        height: 35px;
    }

    /* 移动端触摸优化 */
    .nav-link,
    .btn,
    .advantage-card,
    .service-card,
    .honor-card {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
}

@media screen and (max-width: 480px) {
    .navbar {
        padding: 0 15px;
        height: 70px;
    }

    .nav-brand .brand-name {
        font-size: 1.2rem;
    }

    .nav-brand .logo {
        width: 32px;
        height: 32px;
        margin-right: 10px;
    }

    .nav-menu {
        top: 70px;
        height: calc(100vh - 70px);
    }

    .nav-link {
        font-size: 1rem;
        padding: 12px 16px;
        margin: 0 16px;
    }

    .nav-toggle {
        padding: 6px;
    }

    .nav-toggle .bar {
        width: 22px;
        height: 2px;
    }
}

/* 页面头部样式占位 */
.page-header {
    padding: 60px 0;
    background: #f8f9fa;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 1.1rem;
    color: #666;
}

/* About Page Styles */
.company-background {
    padding: 80px 0;
    background: #fff;
}

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

.background-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 24px;
    position: relative;
}

.background-text h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 2px;
}

.background-intro {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.8;
    margin-bottom: 40px;
}

.background-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.detail-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #FF6900;
    margin-bottom: 12px;
}

.detail-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

.background-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.background-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Services Section */
.services-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23FF6900" fill-opacity="0.02"><circle cx="30" cy="30" r="2"/></g></svg>') repeat;
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 105, 0, 0.1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.05) 0%, rgba(255, 133, 51, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 105, 0, 0.15);
    border-color: rgba(255, 105, 0, 0.3);
}

.service-icon {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.1) 0%, rgba(255, 133, 51, 0.05) 100%);
    border-radius: 50%;
    margin: 0 auto 24px;
    transition: all 0.4s ease;
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.2) 0%, rgba(255, 133, 51, 0.1) 100%);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
}

.service-card p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* Enterprise Honors Section */
.enterprise-honors {
    padding: 100px 0;
    background: #fff;
}

.honors-content {
    margin-top: 60px;
}

.honor-highlight {
    text-align: center;
    margin-bottom: 60px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.05) 0%, rgba(255, 133, 51, 0.02) 100%);
    border-radius: 20px;
    border: 2px solid rgba(255, 105, 0, 0.1);
}

.highlight-badge {
    margin-bottom: 24px;
}

.honor-highlight h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #FF6900;
    margin-bottom: 12px;
}

.honor-highlight p {
    font-size: 1.3rem;
    color: #333;
    font-weight: 600;
    margin-bottom: 16px;
}

.honor-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.honor-card {
    background: white;
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.honor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.honor-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 70px;
    height: 70px;
    background: rgba(255, 105, 0, 0.1);
    border-radius: 50%;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.honor-card:hover .honor-icon {
    background: rgba(255, 105, 0, 0.15);
    transform: scale(1.1);
}

.honor-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.honor-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

/* Responsive Design for About Page */
@media screen and (max-width: 1024px) {
    .background-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .background-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .company-background {
        padding: 60px 0;
    }
    
    .services-section {
        padding: 80px 0;
    }
    
    .enterprise-honors {
        padding: 80px 0;
    }
    
    .background-text h2 {
        font-size: 2.2rem;
    }
    
    .background-intro {
        font-size: 1.1rem;
    }
    
    .background-image img {
        height: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .honor-highlight {
        padding: 30px 20px;
        margin-bottom: 40px;
    }
    
    .honor-highlight h3 {
        font-size: 1.7rem;
    }
    
    .honor-highlight p {
        font-size: 1.2rem;
    }
    
    .honors-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media screen and (max-width: 480px) {
    .company-background {
        padding: 50px 0;
    }
    
    .services-section {
        padding: 60px 0;
    }
    
    .enterprise-honors {
        padding: 60px 0;
    }
    
    .background-text h2 {
        font-size: 1.9rem;
    }
    
    .background-intro {
        font-size: 1rem;
    }
    
    .background-image img {
        height: 250px;
    }
    
    .service-card {
        padding: 25px 15px;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
    }
    
    .service-card p {
        font-size: 0.95rem;
    }
    
    .honor-highlight {
        padding: 25px 15px;
    }
    
    .honor-highlight h3 {
        font-size: 1.5rem;
    }
    
    .honor-highlight p {
        font-size: 1.1rem;
    }
    
    .honor-card {
        padding: 25px 15px;
    }
    
    .honor-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 16px;
    }
    
    .honor-card h4 {
        font-size: 1.1rem;
    }
    
    .honor-card p {
        font-size: 0.9rem;
    }
}

/* Company Data Visualization Section */
.company-data {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.company-data::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23FF6900" fill-opacity="0.02"><circle cx="30" cy="30" r="2"/></g></svg>') repeat;
    pointer-events: none;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 60px;
    position: relative;
    z-index: 2;
}

.data-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 105, 0, 0.1);
}

.data-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.05) 0%, rgba(255, 133, 51, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.data-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 105, 0, 0.15);
    border-color: rgba(255, 105, 0, 0.3);
}

.data-icon {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.1) 0%, rgba(255, 133, 51, 0.05) 100%);
    border-radius: 50%;
    margin: 0 auto 24px;
    transition: all 0.4s ease;
}

.data-card:hover .data-icon {
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.2) 0%, rgba(255, 133, 51, 0.1) 100%);
    transform: scale(1.1);
}

.data-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: #FF6900;
    line-height: 1;
    display: inline-block;
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.data-unit {
    font-size: 2rem;
    font-weight: 600;
    color: #FF6900;
    margin-left: 4px;
    display: inline-block;
}

.data-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin: 16px 0 12px;
}

.data-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

/* Coverage Section */
.coverage-section {
    margin-top: 80px;
    padding: 60px 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 2;
}

.coverage-section h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.coverage-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 2px;
}

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

.coverage-map {
    text-align: center;
}

.map-placeholder {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 20px;
    border: 2px solid rgba(255, 105, 0, 0.1);
}

.coverage-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.stat-item p {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 12px;
}

.stat-bar {
    width: 100%;
    height: 8px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

/* Categories Section */
.categories-section {
    margin-top: 60px;
    position: relative;
    z-index: 2;
}

.categories-section h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.categories-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 2px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.category-item {
    background: white;
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 105, 0, 0.1);
}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(255, 105, 0, 0.12);
    border-color: rgba(255, 105, 0, 0.3);
}

.category-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.1) 0%, rgba(255, 133, 51, 0.05) 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.category-item:hover .category-icon {
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.2) 0%, rgba(255, 133, 51, 0.1) 100%);
    transform: scale(1.1);
}

.category-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.category-stats {
    margin-bottom: 12px;
}

.category-count {
    font-size: 1.8rem;
    font-weight: 700;
    color: #FF6900;
    margin-right: 4px;
}

.category-label {
    font-size: 0.9rem;
    color: #666;
}

.category-item p {
    font-size: 0.85rem;
    color: #777;
    line-height: 1.4;
}

/* Responsive Design for Data Section */
@media screen and (max-width: 1024px) {
    .data-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .coverage-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

@media screen and (max-width: 768px) {
    .company-data {
        padding: 80px 0;
    }
    
    .data-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        max-width: 400px;
        margin: 40px auto 0;
    }
    
    .data-card {
        padding: 30px 20px;
    }
    
    .data-number {
        font-size: 3rem;
    }
    
    .data-unit {
        font-size: 1.8rem;
    }
    
    .coverage-section {
        margin-top: 60px;
        padding: 40px 20px;
    }
    
    .coverage-section h3 {
        font-size: 1.7rem;
    }
    
    .categories-section h3 {
        font-size: 1.7rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .category-item {
        padding: 25px 15px;
    }
    
    .category-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 16px;
    }
    
    .category-count {
        font-size: 1.6rem;
    }
}

@media screen and (max-width: 480px) {
    .company-data {
        padding: 60px 0;
    }
    
    .data-card {
        padding: 25px 15px;
    }
    
    .data-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .data-number {
        font-size: 2.5rem;
    }
    
    .data-unit {
        font-size: 1.5rem;
    }
    
    .data-card h3 {
        font-size: 1.2rem;
    }
    
    .coverage-section {
        padding: 30px 15px;
    }
    
    .coverage-section h3 {
        font-size: 1.5rem;
    }
    
    .categories-section h3 {
        font-size: 1.5rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .category-item {
        padding: 20px 12px;
    }
    
    .category-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 12px;
    }
    
    .category-item h4 {
        font-size: 1rem;
    }
    
    .category-count {
        font-size: 1.4rem;
    }
    
    .category-item p {
        font-size: 0.8rem;
    }
}
/* 发展
历程时间线样式 */
.timeline-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

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

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 16px;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 2px;
}

.section-header p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #FF6900, #FF8533, #FF6900);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.timeline-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: 50%;
    padding-right: 40px;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50%;
    margin-right: 0;
    padding-left: 40px;
    text-align: left;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 20px;
    width: 20px;
    height: 20px;
    background: #FF6900;
    border: 4px solid #fff;
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px rgba(255, 105, 0, 0.2);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item.animate .timeline-marker {
    transform: translateX(-50%) scale(1.2);
    box-shadow: 0 0 0 8px rgba(255, 105, 0, 0.3);
}

.timeline-content {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

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

.timeline-content::before {
    content: '';
    position: absolute;
    top: 20px;
    width: 0;
    height: 0;
    border: 12px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -24px;
    border-left-color: #fff;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -24px;
    border-right-color: #fff;
}

.timeline-date {
    display: inline-block;
    background: linear-gradient(135deg, #FF6900, #FF8533);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.timeline-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.timeline-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.timeline-achievements {
    list-style: none;
    padding: 0;
}

.timeline-achievements li {
    position: relative;
    padding: 8px 0 8px 24px;
    font-size: 15px;
    color: #555;
    line-height: 1.5;
}

.timeline-achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    width: 16px;
    height: 16px;
    background: #FF6900;
    color: #fff;
    border-radius: 50%;
    font-size: 10px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
        margin-right: 0;
        padding-left: 20px;
        padding-right: 20px;
        text-align: left;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -24px;
        right: auto;
        border-left-color: transparent;
        border-right-color: #fff;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .timeline-content h3 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .timeline-section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .timeline-item {
        margin-bottom: 40px;
    }
    
    .timeline-content {
        padding: 16px;
    }
    
    .section-header h2 {
        font-size: 24px;
    }
    
    .section-header p {
        font-size: 16px;
    }
}/* 
行业里程碑展示样式 */
.milestones-section {
    padding: 80px 0;
    background: #fff;
}

/* 排行榜成就突出展示 */
.ranking-achievement {
    margin-bottom: 80px;
    background: linear-gradient(135deg, #FF6900, #FF8533);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.ranking-achievement::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

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

.achievement-content {
    position: relative;
    z-index: 2;
}

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

.trophy-icon {
    font-size: 60px;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.achievement-text h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.achievement-text p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.achievement-years {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.year-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.year-badge:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* 行业认证时间线 */
.certifications-timeline {
    margin-bottom: 80px;
}

.certifications-timeline h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.certifications-timeline h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 2px;
}

.cert-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-item {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #FF6900;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.cert-item.animate {
    opacity: 1;
    transform: translateY(0);
}

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

.cert-date {
    font-size: 14px;
    color: #FF6900;
    font-weight: 600;
    margin-bottom: 12px;
}

.cert-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FF6900, #FF8533);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.cert-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 业务数据统计 */
.business-stats {
    text-align: center;
}

.business-stats h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 50px;
    position: relative;
}

.business-stats h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
    border-radius: 2px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-card {
    background: #fff;
    padding: 40px 20px;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF6900, #FF8533);
}

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

.stat-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #FF6900;
    margin-bottom: 8px;
    display: block;
}

.stat-label {
    font-size: 16px;
    color: #666;
    margin-bottom: 4px;
}

.stat-unit {
    font-size: 14px;
    color: #999;
    font-weight: 500;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .milestones-section {
        padding: 60px 0;
    }
    
    .ranking-achievement {
        padding: 40px 20px;
        margin-bottom: 60px;
    }
    
    .achievement-text h3 {
        font-size: 24px;
    }
    
    .achievement-text p {
        font-size: 16px;
    }
    
    .trophy-icon {
        font-size: 40px;
    }
    
    .achievement-years {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .year-badge {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .cert-timeline {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cert-item {
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-card {
        padding: 30px 15px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-icon {
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-timeline h3,
    .business-stats h3 {
        font-size: 22px;
    }
}
/* Cultur
e Page Styles */

/* Mission and Vision Section */
.mission-vision {
    position: relative;
    overflow: hidden;
}

.mission-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 50%, #FFB366 100%);
    color: white;
}

.mission-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.3;
    z-index: 1;
}

.mission-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        rgba(255, 105, 0, 0.7) 0%,
        rgba(255, 133, 51, 0.5) 50%,
        rgba(255, 179, 102, 0.3) 100%
    );
    z-index: 2;
}

.mission-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 1000px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

.slogan-section {
    margin-bottom: 80px;
}

.company-slogan {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #FFFFFF 0%, #FFF3E0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInDown 0.8s ease-out 0.2s both;
}

.slogan-subtitle {
    font-size: 1.6rem;
    opacity: 0.9;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: slideInUp 0.8s ease-out 0.4s both;
}

.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
}

.vision-card,
.mission-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 50px 40px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.vision-card::before,
.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.vision-card:hover::before,
.mission-card:hover::before {
    opacity: 1;
}

.vision-card:hover,
.mission-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.vision-card .card-icon,
.mission-card .card-icon {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin: 0 auto 30px;
    transition: all 0.4s ease;
    color: white;
}

.vision-card:hover .card-icon,
.mission-card:hover .card-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.vision-card h3,
.mission-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.vision-card p,
.mission-card p {
    font-size: 1.3rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Core Values Section */
.core-values {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.core-values::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23FF6900" fill-opacity="0.03"><circle cx="30" cy="30" r="2"/></g></svg>') repeat;
    pointer-events: none;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-top: 80px;
    position: relative;
    z-index: 2;
}

.value-card {
    background: white;
    padding: 50px 40px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 105, 0, 0.1);
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.05) 0%, rgba(255, 133, 51, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.value-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(255, 105, 0, 0.15);
    border-color: rgba(255, 105, 0, 0.3);
}

.value-icon {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.1) 0%, rgba(255, 133, 51, 0.05) 100%);
    border-radius: 50%;
    margin: 0 auto 30px;
    transition: all 0.4s ease;
    color: #FF6900;
}

.value-card:hover .value-icon {
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.2) 0%, rgba(255, 133, 51, 0.1) 100%);
    transform: scale(1.1);
    color: #FF6900;
}

.value-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    position: relative;
}

.value-card p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 24px;
}

.value-detail {
    padding-top: 20px;
    border-top: 2px solid rgba(255, 105, 0, 0.1);
    margin-top: 20px;
}

.value-detail span {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.1) 0%, rgba(255, 133, 51, 0.05) 100%);
    color: #FF6900;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid rgba(255, 105, 0, 0.2);
    transition: all 0.3s ease;
}

.value-card:hover .value-detail span {
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.15) 0%, rgba(255, 133, 51, 0.08) 100%);
    border-color: rgba(255, 105, 0, 0.3);
    transform: scale(1.05);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive Design for Culture Page */
@media screen and (max-width: 1024px) {
    .mission-hero {
        min-height: 70vh;
    }
    
    .company-slogan {
        font-size: 3.8rem;
    }
    
    .slogan-subtitle {
        font-size: 1.4rem;
    }
    
    .vision-mission-grid {
        gap: 40px;
    }
    
    .vision-card,
    .mission-card {
        padding: 40px 30px;
    }
    
    .vision-card h3,
    .mission-card h3 {
        font-size: 1.8rem;
    }
    
    .vision-card p,
    .mission-card p {
        font-size: 1.2rem;
    }
    
    .values-grid {
        gap: 40px;
    }
    
    .value-card {
        padding: 40px 30px;
    }
}

@media screen and (max-width: 768px) {
    .mission-hero {
        min-height: 60vh;
        padding: 60px 0;
    }
    
    .mission-content {
        padding: 0 24px;
    }
    
    .slogan-section {
        margin-bottom: 60px;
    }
    
    .company-slogan {
        font-size: 3rem;
        margin-bottom: 20px;
    }
    
    .slogan-subtitle {
        font-size: 1.2rem;
    }
    
    .vision-mission-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        max-width: 500px;
    }
    
    .vision-card,
    .mission-card {
        padding: 35px 25px;
    }
    
    .vision-card .card-icon,
    .mission-card .card-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 24px;
    }
    
    .vision-card h3,
    .mission-card h3 {
        font-size: 1.6rem;
        margin-bottom: 16px;
    }
    
    .vision-card p,
    .mission-card p {
        font-size: 1.1rem;
    }
    
    .core-values {
        padding: 80px 0;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        max-width: 500px;
        margin: 60px auto 0;
    }
    
    .value-card {
        padding: 35px 25px;
    }
    
    .value-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 24px;
    }
    
    .value-card h3 {
        font-size: 1.6rem;
        margin-bottom: 16px;
    }
    
    .value-card p {
        font-size: 1rem;
        margin-bottom: 20px;
    }
}

@media screen and (max-width: 480px) {
    .mission-hero {
        min-height: 50vh;
        padding: 50px 0;
    }
    
    .mission-content {
        padding: 0 20px;
    }
    
    .slogan-section {
        margin-bottom: 50px;
    }
    
    .company-slogan {
        font-size: 2.4rem;
        line-height: 1.2;
    }
    
    .slogan-subtitle {
        font-size: 1.1rem;
    }
    
    .vision-mission-grid {
        gap: 24px;
        max-width: 400px;
    }
    
    .vision-card,
    .mission-card {
        padding: 30px 20px;
        border-radius: 20px;
    }
    
    .vision-card .card-icon,
    .mission-card .card-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .vision-card h3,
    .mission-card h3 {
        font-size: 1.4rem;
        margin-bottom: 14px;
    }
    
    .vision-card p,
    .mission-card p {
        font-size: 1rem;
    }
    
    .core-values {
        padding: 60px 0;
    }
    
    .values-grid {
        gap: 24px;
        max-width: 400px;
        margin: 50px auto 0;
    }
    
    .value-card {
        padding: 30px 20px;
        border-radius: 20px;
    }
    
    .value-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .value-card h3 {
        font-size: 1.4rem;
        margin-bottom: 14px;
    }
    
    .value-card p {
        font-size: 0.95rem;
        margin-bottom: 18px;
    }
    
    .value-detail span {
        padding: 6px 16px;
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 360px) {
    .company-slogan {
        font-size: 2rem;
    }
    
    .slogan-subtitle {
        font-size: 1rem;
    }
    
    .vision-card,
    .mission-card {
        padding: 25px 15px;
    }
    
    .vision-card .card-icon,
    .mission-card .card-icon {
        width: 60px;
        height: 60px;
    }
    
    .vision-card h3,
    .mission-card h3 {
        font-size: 1.2rem;
    }
    
    .vision-card p,
    .mission-card p {
        font-size: 0.95rem;
    }
    
    .value-card {
        padding: 25px 15px;
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
    }
    
    .value-card h3 {
        font-size: 1.2rem;
    }
    
    .value-card p {
        font-size: 0.9rem;
    }
}/
* Enterprise Activities Section */
.enterprise-activities {
    padding: 120px 0;
    background: #fff;
    position: relative;
}

.activity-categories {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 60px 0 80px;
    flex-wrap: wrap;
}

.category-btn {
    background: transparent;
    border: 2px solid rgba(255, 105, 0, 0.2);
    color: #666;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 105, 0, 0.1), transparent);
    transition: left 0.5s;
}

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

.category-btn:hover {
    border-color: rgba(255, 105, 0, 0.4);
    color: #FF6900;
    transform: translateY(-2px);
}

.category-btn.active {
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 100%);
    border-color: #FF6900;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 105, 0, 0.3);
}

.category-btn.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 0, 0.4);
}

/* Photo Gallery */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    position: relative;
}

.gallery-item {
    opacity: 1;
    transform: scale(1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.photo-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.photo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.05) 0%, rgba(255, 133, 51, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

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

.photo-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 105, 0, 0.15);
    border-color: rgba(255, 105, 0, 0.2);
}

.photo-placeholder {
    height: 250px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.photo-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="40" height="40" viewBox="0 0 40 40" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23FF6900" fill-opacity="0.05"><circle cx="20" cy="20" r="2"/></g></svg>') repeat;
    pointer-events: none;
}

.placeholder-content {
    text-align: center;
    color: #999;
    z-index: 2;
    position: relative;
}

.placeholder-content svg {
    margin-bottom: 12px;
    opacity: 0.6;
}

.placeholder-content p {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

.photo-info {
    padding: 30px 25px;
    position: relative;
    z-index: 2;
}

.photo-info h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.3;
}

.photo-info p {
    font-size: 1rem;
    color: #666;
    line-height: 1.5;
    margin-bottom: 16px;
}

.photo-date {
    display: inline-block;
    background: rgba(255, 105, 0, 0.1);
    color: #FF6900;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 105, 0, 0.2);
}

/* Photo Modal */
.photo-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.photo-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 20px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    animation: modalFadeIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.modal-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    min-height: 400px;
}

.modal-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.modal-info {
    padding: 30px;
    background: white;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.modal-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.modal-info p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 16px;
}

.modal-info span {
    display: inline-block;
    background: rgba(255, 105, 0, 0.1);
    color: #FF6900;
    padding: 8px 16px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 105, 0, 0.2);
}

.modal-navigation {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.nav-btn {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nav-btn:disabled:hover {
    transform: none;
    background: rgba(0, 0, 0, 0.5);
}

/* Modal Animation */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design for Enterprise Activities */
@media screen and (max-width: 1024px) {
    .enterprise-activities {
        padding: 100px 0;
    }
    
    .photo-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .activity-categories {
        gap: 15px;
        margin: 50px 0 60px;
    }
    
    .category-btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
}

@media screen and (max-width: 768px) {
    .enterprise-activities {
        padding: 80px 0;
    }
    
    .photo-gallery {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .activity-categories {
        gap: 12px;
        margin: 40px 0 50px;
    }
    
    .category-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .photo-placeholder {
        height: 200px;
    }
    
    .photo-info {
        padding: 25px 20px;
    }
    
    .photo-info h4 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .photo-info p {
        font-size: 0.95rem;
        margin-bottom: 14px;
    }
    
    .photo-date {
        padding: 5px 10px;
        font-size: 0.85rem;
    }
    
    .modal-content {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .modal-info {
        padding: 25px 20px;
    }
    
    .modal-info h3 {
        font-size: 1.3rem;
    }
    
    .modal-info p {
        font-size: 0.95rem;
    }
    
    .nav-btn {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
    
    .modal-close {
        width: 35px;
        height: 35px;
        font-size: 20px;
        top: 15px;
        right: 15px;
    }
}

@media screen and (max-width: 480px) {
    .enterprise-activities {
        padding: 60px 0;
    }
    
    .activity-categories {
        gap: 8px;
        margin: 30px 0 40px;
    }
    
    .category-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
        border-radius: 20px;
    }
    
    .photo-gallery {
        gap: 20px;
    }
    
    .photo-card {
        border-radius: 16px;
    }
    
    .photo-placeholder {
        height: 180px;
    }
    
    .placeholder-content p {
        font-size: 0.9rem;
    }
    
    .photo-info {
        padding: 20px 15px;
    }
    
    .photo-info h4 {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .photo-info p {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }
    
    .photo-date {
        padding: 4px 8px;
        font-size: 0.8rem;
        border-radius: 10px;
    }
    
    .modal-content {
        border-radius: 16px;
    }
    
    .modal-info {
        padding: 20px 15px;
    }
    
    .modal-info h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .modal-info p {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }
    
    .modal-info span {
        padding: 6px 12px;
        font-size: 0.8rem;
        border-radius: 12px;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .modal-close {
        width: 32px;
        height: 32px;
        font-size: 18px;
        top: 12px;
        right: 12px;
    }
    
    .modal-navigation {
        padding: 0 15px;
    }
}

@media screen and (max-width: 360px) {
    .photo-placeholder {
        height: 160px;
    }
    
    .photo-info {
        padding: 18px 12px;
    }
    
    .photo-info h4 {
        font-size: 1rem;
    }
    
    .photo-info p {
        font-size: 0.85rem;
    }
    
    .modal-info {
        padding: 18px 12px;
    }
    
    .modal-info h3 {
        font-size: 1.1rem;
    }
    
    .modal-info p {
        font-size: 0.85rem;
    }
}
/*
 ===== 联系我们页面样式 ===== */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

/* 联系内容区域 */
.contact-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* 左侧联系信息 */
.contact-info {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.contact-section {
    margin-bottom: 48px;
}

.contact-section:last-child {
    margin-bottom: 0;
}

.contact-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 32px;
    position: relative;
}

.contact-section h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: #FF6900;
    border-radius: 2px;
}

/* 联系方式 */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: 12px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.method-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(255, 105, 0, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.method-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.method-info p {
    font-size: 16px;
    color: #FF6900;
    font-weight: 600;
    margin-bottom: 4px;
}

.method-info span {
    font-size: 14px;
    color: #666;
}

/* 服务覆盖区域 */
.service-coverage {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 32px;
}

.coverage-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #FF6900;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: #666;
}

.coverage-regions,
.coverage-industries {
    margin-bottom: 32px;
}

.coverage-regions:last-child,
.coverage-industries:last-child {
    margin-bottom: 0;
}

.coverage-regions h3,
.coverage-industries h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.region-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.region-group {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #FF6900;
}

.region-group h4 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.region-group p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.industry-tag {
    background: #FF6900;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* 右侧表单容器 */
.contact-form-container {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 100px;
}

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

.form-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.form-header p {
    font-size: 16px;
    color: #666;
}

/* 表单样式 */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FF6900;
    box-shadow: 0 0 0 3px rgba(255, 105, 0, 0.1);
}

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

.error-message {
    font-size: 12px;
    color: #dc3545;
    margin-top: 4px;
    display: none;
}

.error-message.show {
    display: block;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #dc3545;
}

/* 复选框样式 */
.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #e9ecef;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #FF6900;
    border-color: #FF6900;
}

.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: #FF6900;
    text-decoration: none;
}

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

/* 提交按钮 */
.submit-btn {
    background: linear-gradient(135deg, #FF6900 0%, #FF8533 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 105, 0, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 成功提示 */
.form-success {
    text-align: center;
    padding: 40px;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: #28a745;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: bold;
    margin: 0 auto 24px;
}

.form-success h3 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
}

.form-success p {
    font-size: 16px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-info,
    .contact-form-container {
        padding: 24px;
    }
    
    .contact-form-container {
        position: static;
    }
    
    .page-header {
        padding: 100px 0 60px;
    }
    
    .page-header h1 {
        font-size: 36px;
    }
    
    .contact-content {
        padding: 60px 0;
    }
    
    .coverage-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .region-list {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contact-section h2 {
        font-size: 24px;
    }
    
    .form-header h2 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .contact-info,
    .contact-form-container {
        padding: 20px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
    
    .page-header p {
        font-size: 16px;
    }
    
    .contact-method {
        padding: 16px;
    }
    
    .method-icon {
        width: 40px;
        height: 40px;
    }
    
    .method-info h3 {
        font-size: 16px;
    }
    
    .method-info p {
        font-size: 14px;
    }
    
    .stat-number {
        font-size: 24px;
    }
}/
* ===== 表单错误和提交状态样式 ===== */

/* 提交错误提示 */
.submit-error {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    animation: slideDown 0.3s ease;
}

.error-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.error-icon {
    color: #e53e3e;
    font-size: 18px;
    font-weight: bold;
}

.error-text {
    flex: 1;
    color: #c53030;
    font-size: 14px;
}

.error-close {
    background: none;
    border: none;
    color: #c53030;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.error-close:hover {
    background: rgba(197, 48, 48, 0.1);
}

/* 表单加载状态 */
.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-loading {
    display: none;
}

/* 表单验证动画 */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #dc3545;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 成功状态动画 */
.form-success {
    animation: fadeInUp 0.5s ease;
}

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

.success-icon {
    animation: bounceIn 0.6s ease;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 表单字段聚焦效果增强 */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #FF6900;
    box-shadow: 0 0 0 3px rgba(255, 105, 0, 0.1);
    transform: translateY(-1px);
}

/* 表单标签动画 */
.form-group label {
    transition: color 0.3s ease;
}

.form-group input:focus + label,
.form-group select:focus + label,
.form-group textarea:focus + label {
    color: #FF6900;
}

/* 选择框样式增强 */
.form-group select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    appearance: none;
    padding-right: 40px;
}

/* 复选框增强样式 */
.checkmark {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.checkbox-label:hover .checkmark {
    border-color: #FF6900;
    transform: scale(1.05);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    transform: scale(1);
    animation: checkboxPop 0.3s ease;
}

@keyframes checkboxPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

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

.submit-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 ease;
}

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

/* 表单容器响应式增强 */
@media (max-width: 768px) {
    .submit-error {
        padding: 12px;
        margin-bottom: 20px;
    }
    
    .error-content {
        gap: 8px;
    }
    
    .error-text {
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 14px;
        font-size: 15px;
    }
    
    .submit-btn {
        padding: 14px 28px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .submit-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .checkbox-label {
        font-size: 13px;
    }
    
    .checkmark {
        width: 16px;
        height: 16px;
    }
}/* 移动端表
单优化 */
@media screen and (max-width: 768px) {
    input, textarea, select {
        font-size: 16px; /* 防止iOS缩放 */
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        border-radius: 8px;
        padding: 12px 16px;
        min-height: 44px; /* 符合触摸目标最小尺寸 */
    }

    input:focus, textarea:focus, select:focus {
        outline: none;
        border-color: #FF6900;
        box-shadow: 0 0 0 2px rgba(255, 105, 0, 0.2);
    }

    /* 移动端按钮优化 */
    button, .btn, input[type="submit"] {
        min-height: 44px;
        min-width: 44px;
        font-size: 16px;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        touch-action: manipulation;
        user-select: none;
        -webkit-user-select: none;
    }

    /* 移动端链接优化 */
    a {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    /* 移动端滚动优化 */
    .nav-menu, .modal-content {
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }

    /* 移动端图片优化 */
    img {
        max-width: 100%;
        height: auto;
        -webkit-user-drag: none;
        -khtml-user-drag: none;
        -moz-user-drag: none;
        -o-user-drag: none;
        user-drag: none;
    }

    /* 移动端文本选择优化 */
    .hero-title, .section-title, .advantage-number {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }

    /* 移动端动画性能优化 */
    .advantage-card, .service-card, .honor-card, .btn {
        will-change: transform;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }

    /* 移动端安全区域适配 */
    .header {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .footer {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* 移动端横屏优化 */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        min-height: calc(var(--vh, 1vh) * 100);
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .nav-menu {
        height: calc(var(--vh, 1vh) * 100 - 70px);
    }
}

/* 超小屏幕优化 (iPhone SE, 小屏Android) */
@media screen and (max-width: 320px) {
    .container {
        padding: 0 16px;
    }

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

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

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

    .advantage-card, .service-card {
        padding: 20px 16px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
        min-width: 120px;
    }
}

/* 中等屏幕优化 (iPad Mini, 小平板) */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 960px;
        padding: 0 32px;
    }

    .hero-title {
        font-size: 3.2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

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

    .advantage-card {
        padding: 36px 28px;
    }

    .advantage-number {
        font-size: 3.2rem;
    }
}

/* 大屏幕优化 (iPad Pro, 大平板) */
@media screen and (min-width: 1025px) and (max-width: 1366px) {
    .container {
        max-width: 1200px;
        padding: 0 40px;
    }

    .hero-title {
        font-size: 4.2rem;
    }

    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 36px;
    }

    .advantage-card {
        padding: 42px 32px;
    }
}

/* 超大屏幕优化 (大显示器, 4K屏幕) */
@media screen and (min-width: 1367px) {
    .container {
        max-width: 1400px;
        padding: 0 48px;
    }

    .hero-title {
        font-size: 4.8rem;
    }

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

    .section-title {
        font-size: 3.5rem;
    }

    .advantages-grid {
        gap: 48px;
    }

    .advantage-card {
        padding: 48px 36px;
    }

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

/* 高分辨率屏幕优化 */
@media screen and (-webkit-min-device-pixel-ratio: 2), 
       screen and (min-resolution: 192dpi) {
    .hero-background {
        background-size: cover;
        background-position: center;
    }
}

/* 减少动画的用户偏好 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    /* 暂时保持浅色主题，未来可扩展 */
}/
* 设备特定优化 */

/* iOS设备优化 */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari特定样式 */
    .hero {
        min-height: -webkit-fill-available;
    }

    input, textarea {
        -webkit-appearance: none;
        border-radius: 0;
    }

    .btn {
        -webkit-appearance: none;
        border-radius: 12px;
    }

    /* 修复iOS Safari的100vh问题 */
    .nav-menu {
        height: -webkit-fill-available;
    }
}

/* Android设备优化 */
@media screen and (-webkit-min-device-pixel-ratio: 1) {
    /* Android Chrome特定样式 */
    .advantage-card, .service-card {
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }
}

/* 高DPI屏幕优化 */
@media screen and (-webkit-min-device-pixel-ratio: 3),
       screen and (min-resolution: 288dpi) {
    .hero-background {
        background-image: url('/assets/images/hero-bg@3x.jpg');
    }
    
    .logo, .footer-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 浏览器兼容性修复 */

/* Firefox特定修复 */
@-moz-document url-prefix() {
    .advantage-card, .service-card {
        background-clip: padding-box;
    }
    
    .btn {
        -moz-appearance: none;
    }
}

/* Edge/IE特定修复 */
@supports (-ms-ime-align: auto) {
    .advantages-grid {
        display: -ms-grid;
        -ms-grid-columns: 1fr 1fr 1fr 1fr;
        -ms-grid-rows: auto;
    }
    
    .advantage-card:nth-child(1) { -ms-grid-column: 1; }
    .advantage-card:nth-child(2) { -ms-grid-column: 2; }
    .advantage-card:nth-child(3) { -ms-grid-column: 3; }
    .advantage-card:nth-child(4) { -ms-grid-column: 4; }
}

/* Safari特定修复 */
@supports (-webkit-backdrop-filter: blur(10px)) {
    .header {
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
    }
    
    .nav-menu {
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
    }
}

/* 旧版浏览器降级支持 */
@supports not (display: grid) {
    .advantages-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .advantage-card {
        flex: 0 1 calc(25% - 20px);
        margin: 10px;
    }
    
    @media screen and (max-width: 1024px) {
        .advantage-card {
            flex: 0 1 calc(50% - 20px);
        }
    }
    
    @media screen and (max-width: 768px) {
        .advantage-card {
            flex: 0 1 100%;
        }
    }
}

/* Flexbox降级支持 */
@supports not (display: flex) {
    .hero-cta {
        text-align: center;
    }
    
    .hero-cta .btn {
        display: inline-block;
        margin: 8px;
    }
    
    .nav-container {
        overflow: hidden;
    }
    
    .nav-brand {
        float: left;
    }
    
    .nav-menu {
        float: right;
    }
}

/* 打印样式优化 */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .header, .nav-toggle, .hero-scroll-indicator {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 2cm 0;
    }
    
    .hero-title {
        color: black !important;
        font-size: 2rem;
    }
    
    .advantage-card {
        break-inside: avoid;
        border: 1px solid #ccc;
        margin-bottom: 1cm;
    }
    
    .footer {
        margin-top: 2cm;
        border-top: 1px solid #ccc;
        padding-top: 1cm;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
    
    .btn {
        border: 1px solid #ccc;
        padding: 0.5cm;
        text-decoration: none;
    }
}

/* 无障碍访问优化 */
@media (prefers-contrast: high) {
    .hero-background {
        background: #000;
    }
    
    .hero-overlay {
        background: rgba(0, 0, 0, 0.8);
    }
    
    .advantage-card, .service-card {
        border: 2px solid #333;
    }
    
    .btn-primary {
        background: #000;
        color: #fff;
        border: 2px solid #fff;
    }
    
    .btn-secondary {
        background: #fff;
        color: #000;
        border: 2px solid #000;
    }
}

/* 强制颜色模式支持 */
@media (forced-colors: active) {
    .advantage-card, .service-card {
        forced-color-adjust: none;
        border: 1px solid ButtonText;
    }
    
    .btn {
        forced-color-adjust: none;
        border: 1px solid ButtonText;
    }
}

/* 屏幕阅读器优化 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 焦点可见性增强 */
.btn:focus-visible,
.nav-link:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #FF6900;
    outline-offset: 2px;
}

/* 键盘导航优化 */
.nav-link:focus,
.btn:focus {
    position: relative;
    z-index: 1;
}

/* 触摸设备特定优化 */
@media (hover: none) and (pointer: coarse) {
    .advantage-card:hover,
    .service-card:hover,
    .honor-card:hover {
        transform: none;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }
    
    .advantage-card:active,
    .service-card:active,
    .honor-card:active {
        transform: translateY(-2px) scale(0.98);
        box-shadow: 0 15px 35px rgba(255, 105, 0, 0.12);
    }
    
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: translateY(-1px) scale(0.98);
    }
}

/* 鼠标设备特定优化 */
@media (hover: hover) and (pointer: fine) {
    .advantage-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(255, 105, 0, 0.15);
    }
    
    .btn:hover {
        transform: translateY(-2px);
    }
}

/* 性能优化 - GPU加速 */
.advantage-card,
.service-card,
.honor-card,
.btn,
.nav-menu {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
}

/* 内容安全策略兼容 */
.hero-background,
.advantages::before,
.services-section::before {
    background-image: none;
    background-color: #f8f9fa;
}

/* 网络连接优化 */
@media (prefers-reduced-data: reduce) {
    .hero-background {
        background-image: none;
        background-color: #FF6900;
    }
    
    .advantages::before,
    .services-section::before,
    .company-data::before {
        display: none;
    }
    
    /* 减少动画和过渡效果 */
    * {
        animation-duration: 0.1s !important;
        transition-duration: 0.1s !important;
    }
}
/* =====
 图片懒加载和性能优化样式 ===== */

/* 图片懒加载样式 */
img.lazy-loading {
    opacity: 0;
    transition: opacity 0.3s ease;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

img.loaded {
    opacity: 1;
    background: none;
    animation: none;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* WebP支持优化 */
.webp img[data-webp] {
    content: attr(data-webp);
}

/* 图片加载错误处理 */
img[alt]:after {
    content: attr(alt);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #f8f9fa;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 12px;
    color: #666;
    text-align: center;
    white-space: nowrap;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 关键资源预加载优化 */
.preload-critical {
    font-display: swap;
}

/* 字体加载优化 */
@font-face {
    font-family: 'PingFang SC';
    font-display: swap;
}

/* 减少重绘和回流 */
.performance-optimized {
    contain: layout style paint;
    content-visibility: auto;
}

/* 滚动性能优化 */
.smooth-scroll {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* 触摸设备优化 */
@media (pointer: coarse) {
    /* 增大触摸目标 */
    .btn,
    .nav-link,
    .advantage-card,
    .service-card {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* 优化触摸反馈 */
    .btn:active,
    .nav-link:active,
    .advantage-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid #000;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: #000;
        color: #fff;
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 打印样式优化 */
@media print {
    .header,
    .footer,
    .nav-toggle,
    .hero-scroll-indicator {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0 !important;
    }
    
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    a,
    a:visited {
        text-decoration: underline;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
    
    .page-break {
        page-break-before: always;
    }
}

/* 低端设备性能优化 */
@media (max-width: 480px) and (max-height: 800px) {
    /* 减少阴影和渐变 */
    .advantage-card,
    .service-card,
    .honor-card {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    }
    
    /* 简化背景 */
    .hero-background,
    .advantages::before,
    .services-section::before {
        background: none !important;
    }
    
    /* 减少动画 */
    .hero-content,
    .advantage-card,
    .service-card {
        animation: none !important;
    }
}/* Timel
ine Styles */
.timeline-section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #FF6900, #ff8533);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    display: flex;
    align-items: flex-start;
    visibility: visible;
    opacity: 1;
}

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

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

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 20px;
    width: 20px;
    height: 20px;
    background: #FF6900;
    border: 4px solid #fff;
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 4px rgba(255, 105, 0, 0.2);
}

.timeline-content {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    width: calc(50% - 40px);
    position: relative;
    border: 1px solid #e9ecef;
    z-index: 1;
    display: block;
    visibility: visible;
}

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

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

.timeline-content::before {
    content: '';
    position: absolute;
    top: 25px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -20px;
    border-left-color: #fff;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -20px;
    border-right-color: #fff;
}

.timeline-date {
    font-size: 1.2rem !important;
    font-weight: 700 !important;
    color: #FF6900 !important;
    margin-bottom: 10px !important;
    display: block !important;
    visibility: visible !important;
}

.timeline-content h3 {
    font-size: 1.5rem !important;
    color: #333 !important;
    margin-bottom: 15px !important;
    font-weight: 600 !important;
    display: block !important;
    visibility: visible !important;
}

.timeline-content p {
    color: #666 !important;
    margin-bottom: 20px !important;
    line-height: 1.6 !important;
    display: block !important;
    visibility: visible !important;
}

.timeline-achievements {
    list-style: none !important;
    padding: 0 !important;
    display: block !important;
    visibility: visible !important;
}

.timeline-achievements li {
    position: relative !important;
    padding-left: 20px !important;
    margin-bottom: 8px !important;
    color: #555 !important;
    font-size: 0.95rem !important;
    display: list-item !important;
    visibility: visible !important;
}

.timeline-achievements li::before {
    content: '✓' !important;
    position: absolute !important;
    left: 0 !important;
    color: #FF6900 !important;
    font-weight: bold !important;
    display: inline !important;
}

/* Page Header Styles */
.page-header {
    background: linear-gradient(135deg, #FF6900 0%, #ff8533 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    margin-top: 0;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Development Content */
.development-content {
    background: #f8f9fa;
    min-height: 100vh;
}

/* Milestones Section */
.milestones-section {
    padding: 60px 0;
    background: #fff;
    margin-top: 40px;
}

.ranking-achievement {
    background: linear-gradient(135deg, #FF6900 0%, #ff8533 100%);
    color: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 50px;
    box-shadow: 0 10px 30px rgba(255, 105, 0, 0.3);
}

.achievement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.achievement-icon {
    font-size: 4rem;
}

.achievement-text h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.achievement-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 20px;
}

.achievement-years {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.year-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column !important;
    }
    
    .timeline-marker {
        left: 20px;
        transform: translateX(-50%);
    }
    
    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
    }
    
    .timeline-content::before {
        left: -20px !important;
        right: auto !important;
        border-right-color: #fff !important;
        border-left-color: transparent !important;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .achievement-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .achievement-text h3 {
        font-size: 1.5rem;
    }
}/* Nav
igation Styles */
.navbar {
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.brand-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #FF6900;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: #FF6900;
}

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

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

/* Footer Styles */
.footer {
    background: #2c3e50;
    color: white;
    margin-top: auto;
}

.footer-main {
    padding: 60px 0 40px;
}

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

.footer-section h4 {
    color: #FF6900;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #FF6900;
}

.footer-bottom {
    background: #1a252f;
    padding: 20px 0;
    border-top: 1px solid #34495e;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    color: #95a5a6;
    font-size: 0.9rem;
}

.footer-copyright a {
    color: #FF6900;
    text-decoration: none;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 20px 0;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}/* Main
 Content Layout */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
}

/* General Section Styles */
section {
    padding: 40px 0;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #FF6900;
    color: white;
}

.btn-primary:hover {
    background: #e55a00;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 105, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #FF6900;
    border: 2px solid #FF6900;
}

.btn-secondary:hover {
    background: #FF6900;
    color: white;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

/* Certifications Timeline */
.certifications-timeline {
    margin-top: 40px;
}

.certifications-timeline h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.cert-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.cert-item {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #FF6900;
}

.cert-date {
    font-size: 0.9rem;
    color: #FF6900;
    font-weight: 600;
    margin-bottom: 10px;
}

.cert-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FF6900, #ff8533);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.cert-content p {
    color: #666;
    margin: 0;
    line-height: 1.5;
}

/* Business Stats */
.business-stats {
    margin-top: 50px;
}

.business-stats h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.stat-card {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FF6900;
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    color: #333;
    font-weight: 600;
    margin-bottom: 5px;
}

.stat-unit {
    color: #666;
    font-size: 0.9rem;
}/* 强制
显示时间线内容 - 调试用 */
.timeline-content * {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    color: #333 !important;
    font-size: 16px !important;
    line-height: 1.5 !important;
    margin: 10px 0 !important;
}

.timeline-content {
    background: #ffffff !important;
    border: 2px solid #FF6900 !important;
    padding: 20px !important;
    margin: 20px 0 !important;
    min-height: 200px !important;
}

.timeline-date {
    background: #FF6900 !important;
    color: white !important;
    padding: 5px 10px !important;
    display: inline-block !important;
}

/* 确保时间线容器可见 */
.timeline {
    background: rgba(248, 249, 250, 0.5) !important;
    padding: 20px !important;
    min-height: 500px !important;
}/*
 QR Code Styles */
.footer-qrcode {
    margin-top: 20px;
    text-align: center;
}

.qrcode-container {
    display: inline-block;
    text-align: center;
}

.qrcode-image {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    display: block;
}

.qrcode-text {
    color: #bdc3c7;
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

/* Contact Page QR Code */
.contact-qrcode {
    text-align: center;
    margin-top: 10px;
}

.contact-qrcode-image {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.contact-qrcode p {
    color: #FF6900;
    font-weight: 600;
    margin: 8px 0 4px 0;
    font-size: 0.95rem;
}

.contact-qrcode span {
    color: #666;
    font-size: 0.85rem;
    display: block;
}

.qrcode-method {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #FF6900;
    border-radius: 10px;
}

.qrcode-method .method-info {
    padding: 20px;
}

.qrcode-method h3 {
    color: #FF6900;
    margin-bottom: 15px;
    text-align: center;
}

/* Responsive QR Code */
@media (max-width: 768px) {
    .qrcode-image {
        width: 100px;
        height: 100px;
    }
    
    .contact-qrcode-image {
        width: 80px;
        height: 80px;
    }
    
    .footer-qrcode {
        margin-top: 15px;
    }
}/* S
uccess Form QR Code */
.success-qrcode {
    margin-top: 20px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.success-qrcode p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.success-qrcode-image {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: block;
    margin: 0 auto;
}

/* Industry Tags Styling */
.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.industry-tag {
    background: linear-gradient(135deg, #FF6900, #ff8533);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-block;
}

/* Enhanced Footer QR Code */
.footer-qrcode {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-qrcode:hover .qrcode-image {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.qrcode-image {
    transition: transform 0.3s ease;
}

/* Contact Method Enhancement */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.contact-method {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.qrcode-method:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(255, 105, 0, 0.2);
}/* Enh
anced QR Code Prominence */
.footer-qrcode {
    background: linear-gradient(135deg, rgba(255, 105, 0, 0.1), rgba(255, 133, 51, 0.1));
    padding: 25px;
    border-radius: 15px;
    margin-top: 25px;
    border: 2px solid rgba(255, 105, 0, 0.3);
    text-align: center;
    position: relative;
}

.footer-qrcode::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #FF6900, #ff8533, #FF6900);
    border-radius: 15px;
    z-index: -1;
    opacity: 0.3;
}

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

.qrcode-image {
    width: 140px;
    height: 140px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(255, 105, 0, 0.3);
    margin-bottom: 15px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border: 3px solid white;
}

.qrcode-text {
    color: #FF6900;
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Contact Page QR Code Enhancement */
.qrcode-method {
    background: linear-gradient(135deg, #FF6900 0%, #ff8533 100%);
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
}

.qrcode-method::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.qrcode-method .method-info {
    padding: 30px;
    position: relative;
    z-index: 1;
}

.qrcode-method h3 {
    color: white;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.3rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-qrcode-image {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    margin-bottom: 15px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border: 3px solid white;
}

.contact-qrcode p {
    color: white;
    font-weight: 700;
    margin: 12px 0 8px 0;
    font-size: 1.1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-qrcode span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    display: block;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Contact Methods Grid Enhancement */
.contact-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-top: 25px;
}

.contact-method {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-method:not(.qrcode-method):hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 105, 0, 0.3);
}

.qrcode-method:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(255, 105, 0, 0.4);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .contact-methods {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .qrcode-image {
        width: 120px;
        height: 120px;
    }
    
    .contact-qrcode-image {
        width: 100px;
        height: 100px;
    }
    
    .footer-qrcode {
        padding: 20px;
        margin-top: 20px;
    }
    
    .qrcode-text {
        font-size: 0.9rem;
    }
}