/* ========================================
   双赢天下官网 - 样式表
   深蓝(#0A2463) + 金色(#D4A843) 配色方案
   ======================================== */

/* CSS变量定义 */
:root {
    --primary-blue: #0A2463;
    --secondary-blue: #1a3a7a;
    --light-blue: #2a5ab8;
    --gold: #D4A843;
    --gold-light: #e6c76a;
    --gold-dark: #b8922f;
    --white: #ffffff;
    --gray-light: #f5f7fa;
    --gray: #6b7280;
    --gray-dark: #374151;
    --shadow: 0 4px 20px rgba(10, 36, 99, 0.15);
    --shadow-lg: 0 10px 40px rgba(10, 36, 99, 0.2);
    --transition: all 0.3s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

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

/* Logo样式 */
.logo-img {
    height: 40px;
    width: auto;
}

.footer-logo-img {
    height: 35px;
    width: auto;
}

/* Hero区域LOGO */
.hero-logo {
    max-width: 400px;
    width: 100%;
    margin-bottom: 30px;
}

/* 关于我们Banner */
.about-banner {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, rgba(10, 36, 99, 0.05), rgba(212, 168, 67, 0.05));
}

.about-banner img {
    max-width: 600px;
    width: 100%;
    height: auto;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 36, 99, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--primary-blue);
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--white);
    font-size: 0.95rem;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--gold);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--primary-blue);
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
}

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

.mobile-menu a {
    display: block;
    color: var(--white);
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.mobile-menu a:hover {
    color: var(--gold);
}

/* Hero Banner */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 50%, var(--light-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    padding: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero h1 span {
    color: var(--gold);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 50px;
    opacity: 0.9;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.hero-tag-highlight {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--gold);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.cert-badge-highlight {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #D4A843, #F5E6C4);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--gold);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 通用区块样式 */
.section {
    padding: 100px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    font-size: 1.1rem;
    margin-top: 20px;
}

/* 关于我们 */
.about {
    background: var(--white);
}

.about-intro {
    max-width: 900px;
    margin: 0 auto 60px;
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-dark);
    line-height: 1.8;
}

.about-intro span {
    color: var(--primary-blue);
    font-weight: 600;
}

.certifications {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.cert-badge {
    background: var(--gray-light);
    padding: 15px 25px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary-blue);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cert-badge i {
    color: var(--gold);
}

/* 发展历程 */
.timeline {
    background: var(--gray-light);
    padding: 80px 0;
}

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

.timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--gold), var(--primary-blue));
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 40px);
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 40px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--gold);
    border-radius: 50%;
    border: 4px solid var(--white);
    box-shadow: 0 0 0 4px var(--gold);
    z-index: 1;
}

.timeline-content {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    max-width: 400px;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-year {
    color: var(--gold);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.timeline-title {
    color: var(--primary-blue);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.timeline-desc {
    color: var(--gray);
    font-size: 0.95rem;
}

/* 企业文化 */
.culture {
    background: var(--white);
    padding: 80px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.culture-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.culture-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.1) 0%, transparent 70%);
    transition: var(--transition);
}

.culture-card:hover {
    transform: translateY(-10px);
}

.culture-card:hover::before {
    top: -30%;
    right: -30%;
}

.culture-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--gold);
}

.culture-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--gold);
}

.culture-card p {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.95;
}

/* 团队数据 */
.team-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 60px;
}

.team-stat {
    text-align: center;
    padding: 30px 20px;
    background: var(--gray-light);
    border-radius: 15px;
    transition: var(--transition);
}

.team-stat:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.team-stat i {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 15px;
}

.team-stat:hover i {
    color: var(--gold-light);
}

.team-stat h4 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.team-stat p {
    color: var(--gray);
    font-size: 0.9rem;
}

.team-stat:hover p {
    color: rgba(255, 255, 255, 0.8);
}

/* 人才培养 */
.talent {
    background: var(--gray-light);
}

.talent-category {
    margin-bottom: 60px;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.category-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.5rem;
}

.category-title h3 {
    color: var(--primary-blue);
    font-size: 1.8rem;
}

.talent-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.talent-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--gold);
}

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

.talent-card h4 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.talent-card h4 i {
    color: var(--gold);
}

.talent-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 业务发展 */
.business {
    background: var(--white);
}

.business-category {
    margin-bottom: 50px;
}

.business-title {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gold);
}

.business-icon {
    width: 45px;
    height: 45px;
    background: var(--primary-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 1.3rem;
}

.business-title h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.business-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.business-card:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.business-card:hover .business-item-title {
    color: var(--gold);
}

.business-card:hover .business-item-desc {
    color: rgba(255, 255, 255, 0.85);
}

.business-item-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-blue);
    transition: var(--transition);
}

.business-item-desc {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
    transition: var(--transition);
}

/* 方法论 */
.methodology {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
}

.methodology .section-title h2 {
    color: var(--white);
}

.methodology .section-title p {
    color: rgba(255, 255, 255, 0.8);
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.method-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.method-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: var(--gold);
}

.method-number {
    width: 40px;
    height: 40px;
    background: var(--gold);
    color: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 20px;
}

.method-card h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--gold);
}

.method-card p {
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.6;
}

/* 项目优势 */
.advantages {
    background: var(--gray-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--gold);
}

.advantage-card h4 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

.advantage-list {
    margin-top: 20px;
    text-align: left;
}

.advantage-list li {
    padding: 8px 0;
    color: var(--gray-dark);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.advantage-list li i {
    color: var(--gold);
    font-size: 0.8rem;
}

/* 联系我们 */
.contact {
    background: var(--white);
}

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

.contact-info {
    padding: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 20px;
    color: var(--white);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--gold);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--gold);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    opacity: 0.9;
}

.contact-item p {
    font-size: 1.1rem;
}

.contact-form {
    background: var(--gray-light);
    padding: 40px;
    border-radius: 20px;
}

.contact-form h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid transparent;
    border-radius: 10px;
    background: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold);
    outline: none;
}

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

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 168, 67, 0.4);
}

/* 页脚 */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 40px 0 20px;
}

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

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

.footer-logo .logo-icon {
    width: 35px;
    height: 35px;
    font-size: 0.9rem;
}

.footer-logo span {
    font-size: 1.1rem;
    font-weight: bold;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

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

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

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

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

@keyframes countUp {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

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

    .culture-grid {
        grid-template-columns: 1fr;
    }

    .team-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .talent-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .methodology-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }

    .timeline-dot {
        left: 20px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

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

    .hero h1 {
        font-size: 2rem;
    }

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

    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }

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

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

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

    .talent-grid,
    .business-grid {
        grid-template-columns: 1fr;
    }

    .methodology-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .team-stats {
        grid-template-columns: 1fr 1fr;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .stat-item {
        padding: 25px 20px;
    }

    .team-stats {
        grid-template-columns: 1fr;
    }

    .timeline-content {
        padding: 20px;
    }
}