/* 襄阳尽成电脑培训学校 - 新版响应式网站 */
:root {
    --primary: #1a6fc4;
    --primary-dark: #1259a0;
    --primary-light: #e8f1fa;
    --secondary: #f5a623;
    --text: #333;
    --text-light: #666;
    --bg: #f8f9fa;
    --white: #fff;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

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

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

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

/* 导航栏 */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

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

.nav-links a {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary);
}

/* Hero区域 */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.btn-primary {
    background: var(--secondary);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245,166,35,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    margin-left: 15px;
}

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

/* 区块标题 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    color: var(--text);
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-light);
    font-size: 16px;
}

.section-title .line {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 特色卡片 */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 25px;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 14px;
}

/* 课程 */
.courses {
    padding: 80px 0;
    background: var(--bg);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.course-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.course-header {
    background: var(--primary);
    color: var(--white);
    padding: 20px;
    text-align: center;
}

.course-header h3 {
    font-size: 18px;
}

.course-body {
    padding: 25px;
}

.course-body ul {
    list-style: none;
}

.course-body li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-body li::before {
    content: '\2713';
    color: var(--primary);
    font-weight: bold;
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary);
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-light);
    text-align: justify;
}

.about-image {
    background: var(--primary-light);
    border-radius: var(--radius);
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: var(--primary);
}

/* 就业保障 */
.guarantee {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.guarantee .section-title h2,
.guarantee .section-title p {
    color: var(--white);
}

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

.guarantee-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.2);
}

.guarantee-card .num {
    font-size: 40px;
    font-weight: bold;
    opacity: 0.5;
    margin-bottom: 15px;
}

.guarantee-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

/* 新闻 */
.news {
    padding: 80px 0;
    background: var(--bg);
}

.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    background: var(--white);
    padding: 20px 25px;
    border-radius: var(--radius);
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.3s;
}

.news-item:hover {
    transform: translateX(5px);
}

.news-item a {
    color: var(--text);
    font-weight: 500;
}

.news-item a:hover {
    color: var(--primary);
}

.news-date {
    color: var(--text-light);
    font-size: 14px;
    white-space: nowrap;
}

/* 联系方式 */
.contact {
    padding: 80px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--primary);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.info-icon {
    width: 45px;
    height: 45px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.info-item div h4 {
    font-size: 16px;
    margin-bottom: 3px;
}

.info-item div p {
    color: var(--text-light);
    font-size: 14px;
}

/* 表单 */
.contact-form {
    background: var(--bg);
    padding: 40px;
    border-radius: var(--radius);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

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

/* 页脚 */
.footer {
    background: #1a1a2e;
    color: #aaa;
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: var(--white);
    font-size: 20px;
    margin-bottom: 15px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: #aaa;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
}

/* 返回顶部 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* 作品展示 */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.work-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
}

.work-image {
    height: 180px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--primary);
}

.work-title {
    padding: 15px;
    text-align: center;
    font-weight: 500;
}

/* 响应式 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        gap: 15px;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .btn-outline {
        margin-left: 0;
        margin-top: 10px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .guarantee-card {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 0;
    }

    .features,
    .courses,
    .about,
    .guarantee,
    .news,
    .contact {
        padding: 50px 0;
    }

    .contact-form {
        padding: 25px;
    }
}