/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 头部导航栏 */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.logo-en {
    font-size: 0.9rem;
    font-weight: bold;
    display: block;
    color: #5d6d7e;
    text-align: center;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #3498db;
}

/* 主要内容区域 */
main {
    margin-top: 80px;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.85), rgba(44, 62, 80, 0.95)), url('images/hero-bg.svg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn.primary {
    background-color: #e74c3c;
    color: white;
}

.btn.secondary {
    background-color: white;
    color: #2c3e50;
}

/* 特征区域 */
.features {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(375px, 1fr));
    gap: 0rem;
}

.feature-item {
    background-color: white;
    padding: 1.2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 390px;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.feature-item::before {
    content: '';
    display: block;
    width: 80px;
    height: 20px;
    margin: 0 auto 1.5rem;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.3s ease;
}

.feature-item:hover::before {
    transform: scale(1.1);
}

.feature-item:nth-child(1)::before {
    background-image: url('images/feature-icons.svg#icon-jobs');
}

.feature-item:nth-child(2)::before {
    background-image: url('images/feature-icons.svg#icon-support');
}

.feature-item:nth-child(3)::before {
    background-image: url('images/feature-icons.svg#icon-speed');
}

.feature-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* 页脚 */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section a {
    color: #ecf0f1;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* About Us Section */
.about-us {
    background-color: #f8f9fa;
    padding: 4rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.about-us h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 0.5rem;
}

.about-item {
    background: white;
    padding: 1.2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s;
}

.about-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.about-item .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Statistics Section */
.statistics {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    padding: 4rem 0;
}

.statistics h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Testimonials Section */
.testimonials {
    padding: 4rem 0;
    background-color: #fff;
}

.testimonials h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-item {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    position: relative;
}

.testimonial-item::before {
    content: "\201C";
    font-size: 4rem;
    position: absolute;
    top: -10px;
    left: 20px;
    color: #3498db;
    opacity: 0.3;
}

.quote {
    font-style: italic;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.author {
    text-align: right;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Process Section */
.process {
    background-color: #f8f9fa;
    padding: 4rem 0;
}

.process h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.process-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    text-align: center;
    flex: 0 1 200px;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
    font-size: 1.3rem;
}

.arrow {
    font-size: 2rem;
    color: #3498db;
    flex: 0 0 auto;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
}

.cta-section p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.btn.large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

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

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        margin-bottom: 1rem;
    }
}