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

:root {
    --primary: #3498db;
    --secondary: #2c3e50;
    --accent: #e74c3c;
    --light: #f9f9f9;
    --dark: #333;
    --success: #2ecc71;
    --warning: #f39c12;
}

body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #fff;
    overflow-x: hidden;
}

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

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--secondary);
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent);
    margin: 15px auto 30px;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    margin-bottom: 50px;
    color: #7f8c8d;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 16px;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn-large {
    background-color: var(--accent);
    color: white;
    padding: 15px 30px;
    font-size: 18px;
}

.btn-large:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 头部样式 - 电脑端默认 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 15px 0;
}

header.scrolled {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 10px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    transition: all 0.3s ease;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 20px;
    color: var(--secondary);
}

.logo-icon {
    font-size: 32px;
    margin-right: 10px;
    color: var(--primary);
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
}

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

nav li {
    margin: 0 15px;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

nav a:hover:after {
    width: 100%;
}

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

.contact-info {
    display: flex;
    align-items: center;
}

.phone {
    margin-right: 15px;
    font-weight: bold;
    color: var(--accent);
    font-size: 16px;
}

/* 移动端菜单按钮 - 默认隐藏 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    color: var(--primary);
}

/* 主视觉区域 */
.hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 150px 0 100px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,192C1248,192,1344,128,1392,96L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    animation: waveAnimation 15s linear infinite;
}

@keyframes waveAnimation {
    0% { background-position: 0 0; }
    100% { background-position: 1440px 0; }
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    margin-right: 30px;
    margin-bottom: 15px;
}

.feature .icon {
    font-size: 24px;
    margin-right: 10px;
    color: var(--accent);
}

.cta-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* 新的主视觉图标样式 */
.hero-icon-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-main-icon {
    font-size: 120px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    text-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.hero-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.hero-icon-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.hero-icon-item i {
    font-size: 32px;
    margin-bottom: 8px;
    color: white;
}

.hero-icon-item span {
    color: white;
    font-size: 14px;
    font-weight: 500;
}

/* 课程区域 */
.courses {
    background-color: var(--light);
}

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

.course-card {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.course-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary);
}

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

.course-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--primary);
}

.course-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--secondary);
}

.course-desc {
    margin-bottom: 20px;
    color: #7f8c8d;
    flex-grow: 1;
}

.course-features {
    list-style: none;
    margin-bottom: 25px;
    flex-grow: 1;
}

.course-features li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
    display: flex;
    align-items: center;
}

.course-features li i {
    color: var(--success);
    margin-right: 8px;
    font-size: 14px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-weight: bold;
}

.duration {
    color: #7f8c8d;
}

.price {
    color: var(--accent);
    font-size: 18px;
}

.course-start-time {
    background: rgba(231, 76, 60, 0.1);
    padding: 8px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-weight: bold;
    border-left: 3px solid var(--accent);
}

.course-start-time i {
    margin-right: 8px;
}

.btn-course {
    background-color: var(--success);
    color: white;
    width: 100%;
}

.btn-course:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 课程说明 */
.course-notice {
    margin-top: 40px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid var(--primary);
}

.notice-content {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.notice-content i {
    color: var(--primary);
    font-size: 24px;
    margin-top: 2px;
}

.notice-content p {
    margin: 0;
    color: var(--secondary);
    font-size: 16px;
    line-height: 1.5;
}

/* 服务说明 */
.service-notice {
    margin-top: 40px;
    background: rgba(46, 204, 113, 0.1);
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid var(--success);
}

/* 学校优势区域 */
.advantages {
    padding: 100px 0;
}

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

.advantage-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    position: relative;
    overflow: hidden;
}

.advantage-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary);
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 50px;
    margin-bottom: 20px;
    color: var(--primary);
}

.advantage-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--secondary);
}

/* 就业保障区域 */
.employment {
    padding: 100px 0;
    background-color: var(--light);
}

.employment-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.process-step {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    position: relative;
}

.process-step:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
}

.step-number:after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.2);
    z-index: -1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 0.4; }
    100% { transform: scale(0.8); opacity: 0.8; }
}

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

.employment-stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    background: white;
    padding: 40px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.stat {
    text-align: center;
    margin: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: #7f8c8d;
}

/* 学员见证区域 */
.testimonials {
    padding: 100px 0;
}

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

.testimonial-card {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
}

.testimonial-card:before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 60px;
    color: var(--primary);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.testimonial-content {
    margin-bottom: 20px;
    font-style: italic;
    color: #555;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 15px;
}

.author-name {
    font-weight: bold;
    color: var(--secondary);
}

.author-job {
    color: #7f8c8d;
    font-size: 14px;
}

/* 灵活学习方式区域 */
.learning-methods {
    padding: 100px 0;
    background-color: var(--light);
}

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

.method-card {
    background: white;
    border-radius: 8px;
    padding: 40px 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
    position: relative;
    overflow: hidden;
}

.method-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary);
}

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

.method-icon {
    font-size: 60px;
    margin-bottom: 20px;
    color: var(--primary);
}

.method-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--secondary);
}

.method-card p {
    color: #7f8c8d;
    margin-bottom: 20px;
}

.method-features {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
}

.method-features li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
    display: flex;
    align-items: center;
}

.method-features li i {
    color: var(--success);
    margin-right: 8px;
    font-size: 14px;
}

/* 师资力量区域 */
.teachers {
    padding: 100px 0;
    background-color: var(--light);
}

.teacher-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.teacher-card {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
}

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

.teacher-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
}

.teacher-name {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--secondary);
}

.teacher-title {
    color: var(--primary);
    margin-bottom: 15px;
    font-weight: bold;
}

.teacher-desc {
    color: #7f8c8d;
    margin-bottom: 20px;
}

.teacher-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.skill-tag {
    background: rgba(52, 152, 219, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.skill-tag i {
    font-size: 10px;
}

/* 常见问题区域 */
.faq {
    padding: 100px 0;
}

.faq-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 10px;
}

.faq-tab {
    padding: 12px 25px;
    background: white;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    border: 2px solid #e0e0e0;
}

.faq-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.faq-tab:hover {
    border-color: var(--primary);
}

.faq-category {
    display: none;
}

.faq-category.active {
    display: block;
}

.faq-item {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.faq-question {
    background: white;
    padding: 20px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f5f5f5;
}

.faq-question i {
    transition: transform 0.3s;
}

.faq-answer {
    background: white;
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.faq-answer.active {
    padding: 20px;
    max-height: 500px;
}

.faq-question.active i {
    transform: rotate(180deg);
}

/* 实时报名滚动 */
.live-registration {
    background: var(--secondary);
    color: white;
    padding: 20px 0;
    position: relative;
    overflow: hidden;
}

.live-registration .container {
    position: relative;
}

.live-title {
    text-align: center;
    margin-bottom: 15px;
    font-size: 18px;
    color: #ecf0f1;
}

.live-scroll-container {
    height: 40px;
    overflow: hidden;
    position: relative;
}

.live-scroll {
    position: absolute;
    width: 100%;
    animation: scrollUp 30s linear infinite;
}

@keyframes scrollUp {
    0% { transform: translateY(100%); }
    100% { transform: translateY(-100%); }
}

.live-item {
    padding: 8px 0;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.live-name {
    font-weight: bold;
}

.live-course {
    color: #ecf0f1;
}

.live-phone {
    color: var(--accent);
    font-weight: bold;
}

/* 联系我们区域 */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    position: relative;
    overflow: hidden;
}

.contact:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,192C1248,192,1344,128,1392,96L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    animation: waveAnimation 15s linear infinite;
}

.contact-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.contact-info {
    flex: 1;
    max-width: 500px;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-details {
    margin: 30px 0;
}

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

.contact-icon {
    font-size: 24px;
    margin-right: 15px;
    width: 30px;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    display: inline-block;
    padding: 12px 25px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    text-decoration: none;
    color: white;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 16px;
}

.social-link:hover {
    background: rgba(255,255,255,0.2);
}

.contact-form {
    flex: 1;
    max-width: 400px;
    background: white;
    padding: 30px;
    border-radius: 8px;
    color: var(--dark);
}

.contact-form h3 {
    margin-bottom: 20px;
    color: var(--secondary);
    text-align: center;
}

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.btn-submit {
    background-color: var(--accent);
    color: white;
    width: 100%;
}

.btn-submit:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.form-note {
    margin-top: 15px;
    font-size: 14px;
    color: #7f8c8d;
    text-align: center;
}

/* 费用说明 */
.fee-notice {
    margin-top: 20px;
    padding: 15px;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.fee-notice i {
    color: var(--accent);
    font-size: 18px;
}

.fee-notice p {
    margin: 0;
    color: var(--dark);
    font-size: 14px;
    font-weight: 500;
}

/* 底部区域 */
footer {
    background: var(--secondary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 20px;
    color: #ecf0f1;
}

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

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

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

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

/* 新的底部联系信息样式 */
.footer-contact-methods {
    margin-top: 15px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #bdc3c7;
}

.footer-contact-item i {
    color: var(--primary);
    width: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    position: relative;
    text-align: center;
}

.close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: #7f8c8d;
}

.modal-icon {
    font-size: 60px;
    color: var(--accent);
    margin-bottom: 20px;
}

.modal h2 {
    margin-bottom: 15px;
    color: var(--secondary);
}

.modal p {
    margin-bottom: 20px;
    color: #7f8c8d;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

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

.back-to-top:hover {
    background: #2980b9;
    transform: translateY(-3px);
}

/* 表单状态提示 */
.form-message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
}

.form-success {
    background-color: rgba(46, 204, 113, 0.1);
    color: #27ae60;
    border: 1px solid #27ae60;
}

.form-error {
    background-color: rgba(231, 76, 60, 0.1);
    color: #c0392b;
    border: 1px solid #c0392b;
}