/**
 * 企业首页样式表
 * 响应式设计，支持移动端和桌面端
 */

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

:root {
    --primary-color: #4ade80;
    --primary-dark: #22c55e;
    --secondary-color: #86efac;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f0fdf4;
    --border-color: #bbf7d0;
    --shadow: 0 4px 6px -1px rgba(74, 222, 128, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(74, 222, 128, 0.2);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

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

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

.nav-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-brand .logo {
    font-size: 2rem;
    margin-right: 10px;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: var(--transition);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

/* 导航栏联系方式 */
.nav-contact {
    display: flex;
    align-items: center;
    margin-left: 30px;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    padding: 10px 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: var(--transition);
}

.nav-phone:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.nav-phone span:first-child {
    font-size: 1.2rem;
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 50%, #16a34a 100%);
    color: white;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: white;
    color: #16a34a;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background: white;
    color: #16a34a;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

.hero-scroll span {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.scroll-indicator {
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
    margin: 0 auto;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scrollDown 2s infinite;
}

/* 解决方案区域 */
.solutions {
    padding: 100px 0;
    background: white;
}

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

.solution-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.solution-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

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

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

.solution-features li {
    padding: 8px 0;
    color: var(--text-color);
    position: relative;
    padding-left: 25px;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 投资者关系区域 */
.investors {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.investors-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.investors-info h3,
.investors-highlights h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--text-color);
}

.stock-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.stock-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
}

.stock-code {
    color: var(--text-light);
    margin-bottom: 15px;
}

.stock-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 10px;
}

.stock-price .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.stock-price .currency {
    color: var(--text-light);
    font-size: 1rem;
}

.stock-price .change {
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.stock-price .change.positive {
    background: #dcfce7;
    color: #16a34a;
}

.stock-date {
    color: var(--text-light);
    font-size: 0.85rem;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.investor-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.investor-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-dark);
}

.link-icon {
    font-size: 1.5rem;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.highlight-item {
    background: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
}

.highlight-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.highlight-label {
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 5px;
}

.highlight-growth {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
}

.investors-contact {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.investors-contact h4 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.investors-contact p {
    margin-bottom: 10px;
    color: var(--text-light);
}

/* 服务区域 */
.services {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
}

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

.service-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* 关于我们 */
.about {
    padding: 100px 0;
}

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

.about-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: #22c55e;
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 400px;
    height: 300px;
    background: var(--bg-light);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.contact-icon {
    font-size: 2rem;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-light);
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

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

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4ade80;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.1);
}

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

/* 页脚 */
.footer {
    background: var(--text-color);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 600;
}

.footer-copyright {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    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 scrollDown {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-contact {
        display: none;
    }

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

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content,
    .contact-content,
    .investors-content {
        grid-template-columns: 1fr;
    }

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

    .links-grid,
    .highlights-grid {
        grid-template-columns: 1fr;
    }

    .stock-price .price {
        font-size: 2rem;
    }

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

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