/* 全局样式 */
:root {
    --primary-color: #ff6700;
    --secondary-color: #333;
    --light-color: #f8f8f8;
    --dark-color: #222;
    --text-color: #444;
    --border-color: #ddd;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

.btn:hover {
    background-color: transparent;
    color: var(--primary-color);
}

section {
    padding: 80px 0;
}

/* 导航栏样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: rotate(10deg);
}

.logo span {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-weight: 600;
    position: relative;
}

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

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

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .line {
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 5px;
    transition: var(--transition);
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

/* 关于部分样式 */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 15px;
    font-size: 1.05rem;
}

/* 时间线样式 */
.timeline-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-container::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    margin-bottom: 30px;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: white;
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-date {
    position: absolute;
    top: 0;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.timeline-item:nth-child(odd) .timeline-date {
    right: -120px;
}

.timeline-item:nth-child(even) .timeline-date {
    left: -120px;
}

.timeline-content {
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

/* 成就部分样式 */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.achievement-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.achievement-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.achievement-card h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

/* 经营理念部分样式 */
.philosophy-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.philosophy-quote {
    text-align: center;
    margin-bottom: 20px;
}

.philosophy-quote blockquote {
    font-size: 1.8rem;
    font-style: italic;
    color: var(--primary-color);
    position: relative;
    padding: 0 50px;
}

.philosophy-quote blockquote::before,
.philosophy-quote blockquote::after {
    content: '"';
    font-size: 4rem;
    position: absolute;
    color: rgba(255, 103, 0, 0.2);
}

.philosophy-quote blockquote::before {
    top: -20px;
    left: 0;
}

.philosophy-quote blockquote::after {
    bottom: -60px;
    right: 0;
}

.philosophy-quote cite {
    font-style: normal;
    display: block;
    margin-top: 10px;
    font-weight: 600;
}

.philosophy-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.philosophy-item {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.philosophy-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.philosophy-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.philosophy-item i {
    font-size: 1.2rem;
}

/* 创业启示部分样式 */
.inspiration-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.inspiration-text {
    flex: 2;
}

.inspiration-text p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.inspiration-list {
    margin: 20px 0;
    padding-left: 20px;
}

.inspiration-list li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
}

.inspiration-list li::before {
    content: '•';
    color: var(--primary-color);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -5px;
}

.inspiration-conclusion {
    font-style: italic;
    font-weight: 600;
}

.inspiration-quote {
    flex: 1;
    background-color: var(--light-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.inspiration-quote blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--primary-color);
    position: relative;
    padding: 20px 0;
}

.inspiration-quote cite {
    font-style: normal;
    display: block;
    margin-top: 10px;
    font-weight: 600;
}

/* 页脚样式 */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-links h4,
.footer-social h4 {
    color: white;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-social h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

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

.footer-links ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

/* 响应式设计 */
@media (max-width: 992px) {
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .timeline-container::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-dot {
        left: 21px;
    }
    
    .timeline-item:nth-child(odd) .timeline-dot {
        right: auto;
        left: 21px;
    }
    
    .timeline-date {
        position: relative;
        top: auto;
        margin-bottom: 10px;
    }
    
    .timeline-item:nth-child(odd) .timeline-date,
    .timeline-item:nth-child(even) .timeline-date {
        right: auto;
        left: auto;
    }
    
    .inspiration-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        right: -100%;
        background-color: white;
        width: 100%;
        height: calc(100vh - 80px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 20px 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .hamburger.active .line:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .line:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .philosophy-quote blockquote {
        font-size: 1.3rem;
        padding: 0 20px;
    }
}