/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    overflow-x: hidden;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(74, 108, 247, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #4A6CF7;
    margin: 0;
    background: linear-gradient(135deg, #4A6CF7, #6B8AFD);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #4A6CF7, #6B8AFD);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #4A6CF7;
}

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

.nav-cta .btn {
    background: linear-gradient(135deg, #4A6CF7, #6B8AFD);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 108, 247, 0.3);
}

.nav-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 108, 247, 0.4);
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="%234A6CF7" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #333;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #4A6CF7, #6B8AFD);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 10px 20px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    font-weight: 600;
    color: #4A6CF7;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-highlight {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-arrow {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

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

/* 章节样式 */
.section {
    padding: 80px 0;
    background: white;
    position: relative;
}

.section:nth-child(even) {
    background: #f5f7fa;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 50px;
    animation: fadeInLeft 1s ease-out;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.section-number {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(74, 108, 247, 0.1);
    line-height: 1;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin: 0;
}

/* 内容卡片 */
.content-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 108, 247, 0.1);
    animation: fadeInUp 1s ease-out;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.content-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.content-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin: 30px 0 15px;
}

/* 折叠功能样式 */
.collapsible-section {
    margin: 30px 0;
    border: 1px solid rgba(74, 108, 247, 0.1);
    border-radius: 12px;
    overflow: hidden;
    background: #fafbff;
}

.collapsible-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 20px 25px;
    background: linear-gradient(135deg, #f0f4ff, #e0e7ff);
    margin: 0;
    transition: all 0.3s ease;
    font-size: 1.3rem;
}

.collapsible-title:hover {
    background: linear-gradient(135deg, #e0e7ff, #d0dbff);
    padding-left: 30px;
}

.collapsible-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 10px;
}

.collapsible-section.active .collapsible-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 25px;
    background: white;
}

.collapsible-section.active .collapsible-content {
    max-height: 2000px;
    padding: 25px;
}

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

.content-list li {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

/* 考试时间 */
.exam-schedule {
    background: linear-gradient(135deg, #f0f4ff, #e0e7ff);
    padding: 30px;
    border-radius: 12px;
    margin: 30px 0;
    border-left: 4px solid #4A6CF7;
}

.schedule-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin: 30px 0 20px;
}

.schedule-list {
    list-style: none;
    padding: 0;
}

.schedule-item {
    padding: 15px 0;
    border-bottom: 1px solid rgba(74, 108, 247, 0.2);
    color: #333;
    font-weight: 500;
}

.schedule-item:last-child {
    border-bottom: none;
}

/* 考试时间卡片 */
.exam-schedule-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.exam-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 108, 247, 0.1);
    overflow: hidden;
    position: relative;
}

.exam-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.exam-card.current {
    border-color: #4A6CF7;
    box-shadow: 0 8px 30px rgba(74, 108, 247, 0.2);
}

.exam-card.current::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4A6CF7, #6B8AFD);
}

.exam-card-header {
    padding: 25px 25px 20px;
    background: linear-gradient(135deg, #f0f4ff, #e0e7ff);
    text-align: center;
}

.exam-period {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 8px;
    font-weight: 500;
}

.exam-date {
    font-size: 2rem;
    font-weight: 800;
    color: #4A6CF7;
    line-height: 1;
}

.exam-card-content {
    padding: 25px;
}

.exam-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

.exam-info-item:last-child {
    margin-bottom: 0;
}

.exam-info-item svg {
    flex-shrink: 0;
    color: #4A6CF7;
}

.exam-card-badge {
    display: inline-block;
    background: linear-gradient(135deg, #4A6CF7, #6B8AFD);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 15px;
    box-shadow: 0 4px 15px rgba(74, 108, 247, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .exam-schedule-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .exam-card {
        margin: 0;
    }
    
    .exam-card-header {
        padding: 20px;
    }
    
    .exam-date {
        font-size: 1.8rem;
    }
    
    .exam-card-content {
        padding: 20px;
    }
}

/* 报考条件 */
.conditions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.condition-card {
    background: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 108, 247, 0.1);
    position: relative;
    overflow: hidden;
}

.condition-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #4A6CF7, #6B8AFD);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.condition-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.condition-card:hover::before {
    transform: scaleX(1);
}

.condition-level {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
}

.condition-content ul {
    padding-left: 20px;
}

.condition-content li {
    margin-bottom: 12px;
    color: #666;
    line-height: 1.7;
}

.exam-info-card {
    background: white;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(74, 108, 247, 0.1);
}

.exam-info-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.exam-info-list {
    padding-left: 20px;
}

.exam-info-list li {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

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

.advantage-card {
    background: white;
    padding: 40px 35px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 108, 247, 0.1);
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-8px) rotateX(5deg);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.15);
}

.advantage-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(74, 108, 247, 0.05);
    position: absolute;
    top: 20px;
    right: 20px;
    line-height: 1;
}

.advantage-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
}

.advantage-content {
    color: #666;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

/* 适合人群 */
.suitable-content {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(74, 108, 247, 0.1);
}

.suitable-list {
    padding-left: 20px;
    margin-bottom: 40px;
}

.suitable-list li {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
    font-size: 1.1rem;
}

.suitable-tagline {
    text-align: center;
    font-size: 1.3rem;
    color: #333;
    font-weight: 600;
    line-height: 2;
    background: linear-gradient(135deg, #f0f4ff, #e0e7ff);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid #4A6CF7;
}

/* 培训对象 */
.training-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.training-column {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(74, 108, 247, 0.1);
}

.training-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.training-list {
    padding-left: 20px;
}

.training-list li {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.7;
}

/* 联系我们 */
.contact-section {
    background: linear-gradient(135deg, #4A6CF7, #6B8AFD);
    color: white;
}

.contact-section .section-title {
    color: white;
}

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

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.contact-item svg {
    flex-shrink: 0;
}

.contact-item span {
    color: rgba(255, 255, 255, 0.9);
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-input, .form-select, .form-textarea {
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: #4A6CF7;
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}

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

.btn {
    background: linear-gradient(135deg, #4A6CF7, #6B8AFD);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    box-shadow: 0 8px 25px rgba(74, 108, 247, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    box-shadow: 0 12px 40px rgba(74, 108, 247, 0.5), 0 0 30px rgba(74, 108, 247, 0.3);
    transform: translateY(-3px) scale(1.05);
}

/* 立即报考按钮特殊样式 */
.btn-primary {
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* 考试卡片徽章样式 */
.exam-card-badge {
    display: inline-block;
    background: linear-gradient(135deg, #4A6CF7, #6B8AFD);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 15px;
    box-shadow: 0 8px 25px rgba(74, 108, 247, 0.3);
    animation: pulse 2s infinite;
    text-decoration: none;
    transition: all 0.3s ease;
}

.exam-card-badge:hover {
    animation: none;
    box-shadow: 0 12px 40px rgba(74, 108, 247, 0.5), 0 0 30px rgba(74, 108, 247, 0.3);
    transform: translateY(-3px) scale(1.05);
}

.btn-block {
    width: 100%;
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4A6CF7;
}

.footer-copyright {
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .training-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-highlight {
        font-size: 1.4rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-number {
        font-size: 2.5rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .conditions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .content-card {
        padding: 30px 25px;
    }
    
    .exam-schedule {
        padding: 20px;
    }
    
    .advantage-card {
        padding: 30px 25px;
    }
    
    .contact-form {
        padding: 30px 25px;
    }
    
    .training-column {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .content-card {
        padding: 25px 20px;
    }
    
    .condition-card {
        padding: 25px 20px;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .contact-info {
        gap: 20px;
    }
    
    .contact-item {
        font-size: 1rem;
    }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 3D 效果 */
.card-3d {
    transform-style: preserve-3d;
    transition: transform 0.6s ease;
}

.card-3d:hover {
    transform: rotateY(10deg) rotateX(5deg);
}

/* 微交互 */
.btn:active {
    transform: translateY(0);
}

.form-input:focus + label {
    transform: translateY(-20px);
    font-size: 0.8rem;
    color: #4A6CF7;
}

/* 加载动画 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* 平滑过渡 */
* {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

/* 高清视觉 */
img {
    max-width: 100%;
    height: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* 文字选择效果 */
::selection {
    background: rgba(74, 108, 247, 0.3);
    color: #333;
}

::-moz-selection {
    background: rgba(74, 108, 247, 0.3);
    color: #333;
}