/* Base Styles & Variables */
:root {
    --primary-color: #2672ff;
    --primary-hover: #1e5ecc;
    --secondary-color: #ff7e28;
    --text-color: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-color: #ffffff;
    --bg-light: #f7f9fc;
    --bg-dark: #eef2f7;
    --border-color: #eaeaea;
    --success-color: #2672ff;
    --warning-color: #f1c40f;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 10px rgba(0,0,0,0.1);
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --transition: all 0.25s ease;
    --module-width: 1200px; /* 统一模块最大宽度为1200px */
}

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

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

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

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

ul {
    list-style: none;
}

/* ======= 全新中国大型平台风格导航栏样式 ======= */
.header {
    background: #fff;
    border-bottom: 1.5px solid #e5e6eb;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1400px;
    margin: 0 auto;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #2672ff;
    user-select: none;
    height: 72px;
    display: flex;
    align-items: center;
}
.logo i {
    font-size: 2rem;
    margin-right: 12px;
}
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 72px;
}
.main-nav ul {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 72px;
    flex-direction: row;
    margin-bottom: 0 !important;
}
.main-nav a {
    display: flex;
    align-items: center;
    height: 72px;
    padding: 0 12px;
    font-size: 0.98rem;
    font-weight: 500;
    color: #222;
    background: none;
    border-radius: 6px 6px 0 0;
    position: relative;
    transition: background 0.2s, color 0.2s;
}
.main-nav a:hover,
.main-nav a.active {
    color: #2672ff;
    background: #f3f7ff;
}
.user-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    height: 72px;
}
.btn-primary {
    background: linear-gradient(90deg, #2672ff 60%, #4d9fff 100%);
    color: #fff;
    border: none;
    padding: 0 28px;
    height: 40px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(38,114,255,0.08);
    transition: background 0.2s, box-shadow 0.2s, color 0.2s;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}
.btn-primary:hover {
    background: linear-gradient(90deg, #ff7e28 60%, #ffb86c 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(255,126,40,0.13);
}
.btn-outline {
    background: #fff;
    color: #2672ff;
    border: 1.5px solid #2672ff;
    padding: 0 22px;
    height: 40px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.2s, color 0.2s, border 0.2s;
    display: flex;
    align-items: center;
}
.btn-outline:hover {
    background: #f3f7ff;
    color: #2672ff;
    border-color: #4d9fff;
}
.menu-toggle {
    display: none;
}
/* ======= END ======= */


/* ======= END 扁平化主搜索区内容样式 ======= */

/* 主搜索区域样式 */
.hero-search {
    background: linear-gradient(135deg, #f5f9ff 0%, #f0f4f9 100%);
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
}

.search-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(rgba(38, 114, 255, 0.05), rgba(38, 114, 255, 0));
}

.shape-1 {
    width: 500px;
    height: 500px;
    top: -250px;
    left: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    top: 50%;
    right: -100px;
    background: linear-gradient(rgba(255, 126, 40, 0.05), rgba(255, 126, 40, 0));
}

.shape-3 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: 30%;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #222;
    line-height: 1.2;
}

.subtitle {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 35px;
    line-height: 1.5;
}

.search-wrapper {
    max-width: 600px;
}

.search-box {
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 5px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.search-input {
    display: flex;
    align-items: center;
}

.search-input i {
    color: var(--text-lighter);
    font-size: 18px;
    margin-left: 15px;
}

.search-input input {
    flex: 1;
    border: none;
    padding: 15px;
    font-size: 16px;
    outline: none;
    color: var(--text-color);
}

.search-input input::placeholder {
    color: var(--text-lighter);
}

.search-actions {
    display: flex;
    align-items: center;
}

.voice-btn {
    background: none;
    border: none;
    color: var(--text-lighter);
    font-size: 18px;
    padding: 10px;
    cursor: pointer;
    transition: var(--transition);
}

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

.divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 5px;
}

.search-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.search-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.search-btn i {
    font-size: 14px;
    transition: transform 0.2s ease;
}

.search-btn:hover i {
    transform: translateX(3px);
}

.search-tips {
    display: flex;
    align-items: center;
    margin-top: 15px;
    flex-wrap: wrap;
}

.tips-label {
    color: #777;
    font-size: 14px;
    margin-right: 10px;
}

.tips-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 13px;
    color: #555;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 3px 12px;
    border-radius: 100px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.tag:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-image {
    max-width: 100%;
    height: auto;
    position: relative;
    z-index: 1;
}

.stats-card {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    padding: 15px;
    z-index: 2;
}

.stat-item {
    padding: 0 15px;
    text-align: center;
    border-right: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-right: none;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
}

/* 按钮样式 - 更大气 */
.btn-primary:hover {
    background-color: var(--secondary-color) !important;
    color: #fff !important;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-primary.large {
    padding: 12px 30px;
    font-size: 16px;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 全局标题样式统一优化 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: #222;
    margin-bottom: 0.8em;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    position: relative;
    display: inline-block;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

h4 {
    font-size: 1.2rem;
    margin-bottom: 0.7rem;
}

h5 {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

h6 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

/* 卡片内标题样式优化 */
.industry-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #222;
    transition: color 0.3s ease;
    position: relative;
    display: inline-block;
}

.industry-card h3:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 1.5px;
    transition: width 0.3s ease;
}

.industry-card:hover h3:after {
    width: 100%;
}

.industry-categories span {
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 600;
    padding-left: 18px;
    position: relative;
}

.industry-categories span:before {
    content: '\F138';
    font-family: 'bootstrap-icons';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 14px;
    color: var(--secondary-color);
}

.industry-popular > span {
    font-size: 14px;
    color: #666;
    text-align: left;
    font-weight: 500;
    margin-bottom: 6px;
    display: block;
}

.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.popular-tags span {
    padding: 3px 12px;
    background-color: #f5f7fc;
    border-radius: 14px;
    font-size: 13px;
    color: #555;
    transition: all 0.2s ease;
    border: 1px solid #eef2f7;
}

.industry-card:hover .popular-tags span {
    background-color: rgba(38, 114, 255, 0.08);
    color: var(--primary-color);
    border-color: rgba(38, 114, 255, 0.15);
}

.btn-explore {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    margin-top: auto;
    border-radius: 8px;
    background-color: #f7f9fc;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-explore i {
    font-size: 18px;
    transition: transform 0.3s;
}

.industry-card:hover .btn-explore {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(38, 114, 255, 0.2);
}

.industry-card:hover .btn-explore i {
    transform: translateX(4px);
}

/* 轮播控制器优化 - 统一版本 */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    gap: 35px;
}

.slider-arrow {
    width: 44px;
    height: 44px;
    border: none;
    background-color: white;
    color: #555;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.slider-arrow:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 5px 15px rgba(38, 114, 255, 0.2);
}

.slider-arrow i {
    font-size: 18px;
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ddd;
    transition: all 0.2s ease;
    cursor: pointer;
}

.slider-dot.active {
    width: 24px;
    border-radius: 4px;
    background-color: var(--primary-color);
}

/* 响应式适配调整 */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.6rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    .industry-card h3,
    .guide-card h3 {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.4rem;
    }
    
    h3 {
        font-size: 1.1rem;
    }
    
    .industry-card h3,
    .guide-card h3 {
        font-size: 16px;
    }
}

/* 模块间距优化 */
section {
    padding: 80px 0;
    position: relative;
}



/* 行业卡片排版优化 - 统一版本 */
.industry-slider {
    position: relative;
    margin: 0 -20px;
    padding: 30px 20px 0;
}

.industry-slider-wrapper {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 10px 5px 40px;
    scroll-behavior: smooth;
    -ms-overflow-style: none;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.industry-slider-wrapper::-webkit-scrollbar {
    display: none;
}

.industry-card {
    flex: 0 0 300px;
    height: 330px;
    perspective: 1000px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.industry-card-inner {
    background-color: white;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.5s, box-shadow 0.5s;
    height: 100%;
    padding: 28px 22px 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    border: 1px solid #f0f0f0;
}

.industry-card-inner:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.industry-card:hover .industry-card-inner {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.industry-card:hover .industry-card-inner:before {
    opacity: 1;
}

.industry-icon {
    width: 76px;
    height: 76px;
    border-radius: 20px;
    background: linear-gradient(135deg, #f5f7ff 0%, #eef2f7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: all 0.3s ease;
}

.industry-icon i {
    font-size: 32px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.industry-card:hover .industry-icon {
    transform: scale(1.05);
    background: linear-gradient(135deg, var(--primary-color) 0%, #4d89ff 100%);
    box-shadow: 0 10px 25px rgba(38, 114, 255, 0.25);
}

.industry-card:hover .industry-icon i {
    color: white;
    transform: scale(1.1);
}

/* 行业卡片内标题样式优化 */
.industry-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #222;
    transition: color 0.3s ease;
    position: relative;
    display: inline-block;
    text-align: center;
    width: 100%;
}

.industry-card h3:after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -4px;
    width: 30px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 1.5px;
    transition: width 0.3s ease;
}

.industry-card:hover h3:after {
    width: 80%;
}

.industry-categories {
    margin-bottom: 16px;
    margin-top: 2px;
}

.industry-categories span {
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 600;
    padding-left: 18px;
    position: relative;
}

.industry-categories span:before {
    content: '\F138';
    font-family: 'bootstrap-icons';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 14px;
    color: var(--secondary-color);
}

.industry-popular {
    margin-bottom: 24px;
    margin-top: 2px;
}

.industry-popular > span {
    font-size: 14px;
    color: #666;
    text-align: left;
    font-weight: 500;
    margin-bottom: 6px;
    display: block;
}

.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.popular-tags span {
    padding: 3px 12px;
    background-color: #f5f7fc;
    border-radius: 14px;
    font-size: 13px;
    color: #555;
    transition: all 0.2s ease;
    border: 1px solid #eef2f7;
}

.industry-card:hover .popular-tags span {
    background-color: rgba(38, 114, 255, 0.08);
    color: var(--primary-color);
    border-color: rgba(38, 114, 255, 0.15);
}

.btn-explore {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    margin-top: auto;
    border-radius: 8px;
    background-color: #f7f9fc;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-explore i {
    font-size: 18px;
    transition: transform 0.3s;
}

.industry-card:hover .btn-explore {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(38, 114, 255, 0.2);
}

.industry-card:hover .btn-explore i {
    transform: translateX(4px);
}

/* 查看全部按钮样式优化 */
.view-all {
    color: var(--primary-color);
    font-size: 15px;
    display: flex;
    align-items: center;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 20px;
    background-color: rgba(38, 114, 255, 0.08);
    transition: all 0.3s ease;
    white-space: nowrap;
    border: 1px solid transparent;
    box-shadow: 0 2px 8px rgba(38, 114, 255, 0.1);
}

.view-all i {
    margin-left: 6px;
    transition: transform 0.3s ease;
    font-size: 15px;
}

.view-all:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(38, 114, 255, 0.2);
}

.view-all:hover i {
    transform: translateX(4px) scale(1.1);
}

/* 新闻卡片标题样式恢复 */
.news-content h3 {
    margin-bottom: 10px;
    font-size: 18px;
    line-height: 1.4;
    font-weight: 600;
    transition: color 0.3s ease;
}

.news-card:hover .news-content h3 {
    color: var(--primary-color);
}

/* 指南卡片标题样式恢复 */
.guide-card h3 {
    margin-bottom: 10px;
    font-size: 17px;
    font-weight: 600;
    color: #333;
}

/* 分类卡片标题样式恢复 */
.class-info h3 {
    margin-bottom: 6px;
    font-size: 17px;
    font-weight: 600;
    color: #333;
    transition: color 0.3s ease;
}

.class-card:hover .class-info h3 {
    color: var(--primary-color);
}

/* 响应式适配调整 */
@media (max-width: 992px) {
    section {
        padding: 70px 0;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .industry-card {
        flex: 0 0 270px;
        height: 320px;
    }
    
    .industry-card-inner {
        padding: 24px 20px 20px;
    }
    
    .industry-icon {
        width: 68px;
        height: 68px;
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    section {
        padding: 50px 0;
    }

    section + section {
        margin-top: 10px;
    }
    
    .industry-card {
        flex: 0 0 240px;
        height: 300px;
    }
    
    .industry-card-inner {
        padding: 20px 16px;
        border-radius: 16px;
    }
    
    .industry-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 16px;
    }
}

/* 分类概览 - 统一宽度 */
.class-overview {
    text-align: center;
    padding: 70px 0;
    background-color: var(--bg-light);
}

.class-overview h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.section-desc {
    color: var(--text-light);
    margin-top: -5px;
    margin-bottom: 35px;
    text-align: center;
    font-size: 16px;
}

.class-tabs {
    max-width: var(--module-width);
    margin: 0 auto;
}

.tab-header {
    display: flex;
    justify-content: center;
    margin-bottom: 35px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 25px;
    font-size: 17px;
    cursor: pointer;
    opacity: 0.7;
    position: relative;
    transition: var(--transition);
}

.tab-btn:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    width: 60%;
    height: 3px;
    background-color: var(--primary-color);
    opacity: 0;
    transition: var(--transition);
}

.tab-btn.active {
    opacity: 1;
    color: var(--primary-color);
    font-weight: 500;
}

.tab-btn.active:after {
    opacity: 1;
}

.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.class-card {
    display: flex;
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    transition: var(--transition);
    text-align: left;
    border: 1px solid var(--border-color);
}

.class-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.class-number {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-color);
    margin-right: 15px;
    display: flex;
    align-items: center;
}

.class-info {
    flex-grow: 1;
}

.class-info p {
    color: var(--text-lighter);
    font-size: 14px;
}

/* 最新动态 - 统一宽度 */
.latest-news {
    background-color: white;
    padding: 70px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 12px;
    position: relative;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 0;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
    display: inline-block;
    color: #222;
    letter-spacing: -0.5px;
}

.section-header h2:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 2px;
}

.section-desc {
    color: #666;
    font-size: 17px;
    line-height: 1.5;
    margin-top: 10px;
    margin-bottom: 40px;
    max-width: 700px;
    position: relative;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

/* 全局模块标题排版优化 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
}

.title-group {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.subtitle-accent {
    font-size: 15px;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 4px;
    line-height: 1.2;
    position: relative;
}

.section-header h2 {
    font-size: 38px;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.section-header h2:after {
    display: none;
}

.section-desc {
    font-size: 16px;
    color: #666;
    margin-top: 12px;
    margin-bottom: 30px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    letter-spacing: 0.3px;
    position: relative;
    padding-bottom: 15px;
}

.section-desc:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 1.5px;
}

/* 行业快速入口 - 恢复原始样式 */
.category-shortcuts {
    background-color: white;
    position: relative;
    overflow: hidden;
}


.category-shortcuts .container {
    position: relative;
    z-index: 1;
}

/* 行业快速查询模块的特殊排版 */
.category-shortcuts .section-header {
    max-width: 1160px;
    margin-left: auto;
    margin-right: auto;
    border-left: none;
    padding-left: 0;
    margin-bottom: 20px;
    position: relative;
    overflow: visible;
}

.category-shortcuts .section-header:before {
    content: '';
    position: absolute;
    left: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.category-shortcuts .title-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
}

.category-shortcuts .subtitle-accent {
    position: relative;
    font-size: 16px;
    padding-left: 0;
    margin-bottom: 8px;
}

.category-shortcuts h2 {
    font-size: 42px;
    line-height: 1;
    margin-top: 0;
    position: relative;
    padding-right: 20px;
}

.category-shortcuts h2:after {
    display: none;
}

/* 尼斯分类概览模块特殊调整 */
.class-overview .section-header {
    border-left: none;
    padding-left: 0;
    margin-bottom: 35px;
    justify-content: space-between;
    position: relative;
}

.class-overview .title-group {
    position: relative;
    z-index: 2;
}

.class-overview .subtitle-accent {
    position: relative;
    padding-left: 15px;
}

.class-overview .subtitle-accent:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
}

.class-overview h2 {
    font-size: 38px;
    padding-left: 15px;
}

/* 最新动态模块标题特殊调整 */
.latest-news .section-header {
    border-left: 5px solid var(--secondary-color);
    padding-left: 15px;
    margin-bottom: 25px;
}

.latest-news .section-desc:after {
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

/* 使用指南模块标题特殊调整 */
.user-guide .section-header {
    justify-content: center;
    border-left: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.user-guide .title-group {
    align-items: center;
    text-align: center;
}

.user-guide .subtitle-accent {
    font-size: 16px;
}

.user-guide h2 {
    font-size: 34px;
    text-align: center;
}

.user-guide .section-desc {
    margin-bottom: 25px;
}

.user-guide .section-desc:after {
    width: 80px;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .section-header {
        margin-bottom: 25px;
    }
    
    .section-header h2 {
        font-size: 34px;
    }
    
    .category-shortcuts h2 {
        font-size: 36px;
    }
    
    .class-overview h2 {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
    
    .category-shortcuts h2 {
        font-size: 32px;
    }
    
    .class-overview h2 {
        font-size: 28px;
    }
    
    .section-desc {
        font-size: 15px;
        margin-bottom: 25px;
    }
    
    .user-guide .section-header,
    .user-guide .title-group {
        align-items: center;
        text-align: center;
        width: 100%;
    }
    
    .category-shortcuts .section-header:before {
        left: -30px;
        width: 25px;
    }
}

@media (max-width: 576px) {
    .section-header {
        padding-left: 15px;
        margin-bottom: 15px;
    }
    
    .section-header h2 {
        font-size: 26px;
    }
    
    .subtitle-accent {
        font-size: 14px;
    }
    
    .category-shortcuts h2 {
        font-size: 28px;
    }
    
    .class-overview h2 {
        font-size: 24px;
    }
    
    .section-desc {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .section-desc:after {
        width: 40px;
    }
    
    .view-all {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .category-shortcuts .section-header:before {
        display: none;
    }
}

/* 使用指南 - 统一宽度 */
.user-guide {
    background-color: var(--bg-light);
    padding: 50px 0;
    text-align: center;
}

.user-guide h2 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.guide-container {
    margin-top: 25px;
    border-radius: var(--radius-md);
    background-color: white;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    max-width: var(--module-width);
    margin-left: auto;
    margin-right: auto;
}

/* 步骤导航 */
.guide-tabs {
    display: flex;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: center;
}

.guide-tab {
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 500;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

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

.guide-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* 内容面板 */
.guide-content {
    padding: 20px 25px;
    background-color: white;
}

.guide-panel {
    display: none;
}

.guide-panel.active {
    display: block;
}

/* 步骤卡片 - 横向排版 */
.guide-card-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    margin-bottom: 20px;
    max-width: var(--module-width);
    margin-left: auto;
    margin-right: auto;
}

.guide-card {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    width: 33.33%;
}

.guide-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.guide-card-icon {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 15px;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide-card-step {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
}

.guide-card-content {
    flex-grow: 1;
    width: 100%;
}

.guide-card p {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 14px;
    line-height: 1.5;
}

/* 常见问题 - 简化版 */
.faq-container {
    max-width: var(--module-width);
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-size: 15px;
}

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

.faq-question i {
    transition: var(--transition);
    font-size: 12px;
}

.faq-item.active .faq-question {
    color: var(--primary-color);
}

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

.faq-answer {
    padding: 0 12px 15px;
    color: var(--text-light);
    text-align: left;
    display: none;
    font-size: 14px;
    line-height: 1.5;
}

.faq-item.active .faq-answer {
    display: block;
}

/* 底部按钮区域 */
.guide-actions {
    margin-top: 20px;
    text-align: center;
}

.guide-actions .btn-primary {
    margin: 0 10px;
    padding: 10px 25px;
    font-size: 15px;
}

/* 响应式处理 */
@media (max-width: 992px) {
    .header .container {
        padding: 0 15px;
    }
    
    .main-nav ul {
        gap: 20px;
    }
    
    .user-actions .btn-outline,
    .user-actions .btn-primary {
        padding: 6px 15px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        order: 3;
    }
    
    .header .container {
        height: 60px;
        flex-wrap: wrap;
    }
    
    .logo {
        order: 1;
        font-size: 18px;
    }
    
    .user-actions {
        order: 2;
        margin-left: auto;
    }
    
    .main-nav {
        order: 4;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        background-color: white;
        box-shadow: 0 5px 10px rgba(0,0,0,0.05);
    }
    
    .main-nav.active {
        max-height: 300px;
        margin-top: 10px;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 15px 0;
    }
    
    .main-nav a {
        display: block;
        padding: 12px 15px;
        font-size: 15px;
    }
    
    .main-nav a:after {
        display: none;
    }
    
    .main-nav a:hover,
    .main-nav a.active {
        background-color: rgba(38, 114, 255, 0.08);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .guide-content {
        padding: 20px 15px;
    }
    
    .guide-card-container {
        flex-direction: column;
    }
    
    .guide-card {
        width: 100%;
    }
    
    .advanced-tips {
        grid-template-columns: 1fr;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 22px;
    }
    
    h2 {
        font-size: 18px;
    }
    
    section {
        padding: 30px 0;
    }
    
    .hero-search {
        padding: 40px 0;
    }
    
    .shortcut-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .class-grid {
        grid-template-columns: 1fr;
    }
}

/* 行业分类查询结果 - 改进样式 */
.industry-recommend {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.industry-recommend h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #333;
    font-weight: 600;
    position: relative;
    padding-left: 14px;
}

.industry-recommend h3:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.recommend-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.recommend-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background-color: #f5f7fa;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.2s ease;
    color: #555;
}

.recommend-tag:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.recommend-tag i {
    margin-right: 6px;
    font-size: 12px;
    color: var(--primary-color);
    transition: all 0.2s ease;
}

.recommend-tag:hover i {
    color: white;
    transform: translateX(2px);
}

.search-box.focused {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

/* 搜索结果模态框 - 全新扁平化设计 */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.75);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.search-modal.active,
.search-modal.show {
    display: flex;
    animation: modalFadeIn 0.3s forwards;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-container {
    background-color: white;
    width: 92%;
    max-width: 1000px;
    max-height: 85vh;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    transform: translateY(30px);
    animation: modalSlideUp 0.4s forwards;
    border: none;
}

@keyframes modalSlideUp {
    to { transform: translateY(0); }
}

.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
}

.modal-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #222;
    position: relative;
    padding-left: 14px;
}

.modal-header h2:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.close-modal {
    background: #f5f5f5;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #555;
}

.close-modal i {
    font-size: 18px;
}

.close-modal:hover {
    background-color: #eee;
    color: #222;
    transform: scale(1.05);
}

.modal-content {
    padding: 20px 24px;
    overflow-y: auto;
}

.search-summary {
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background-color: #f8f9fa;
    border-radius: 8px;
    color: #555;
}

.search-summary p {
    margin: 0;
    font-size: 14px;
}

.search-keyword {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
}

.result-count {
    color: #666;
    font-size: 14px;
}

.result-count span {
    color: var(--primary-color);
    font-weight: 600;
}

.result-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.result-card {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s ease;
    background-color: white;
    position: relative;
}

.result-card:hover {
    box-shadow: 0 3px 12px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.result-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.result-card:hover:before {
    width: 100%;
}

.card-header {
    padding: 14px 18px;
    background-color: #fafafa;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
}

.class-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    background-color: var(--primary-color);
    color: white;
    font-size: 13px;
    border-radius: 4px;
    margin-right: 12px;
    font-weight: 500;
    min-width: 60px;
}

.card-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.card-body {
    padding: 16px 18px;
}

.subclass-info {
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.subclass-number {
    background-color: #f0f4f8;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    margin-right: 10px;
    color: #456;
}

.subclass-name {
    color: #666;
    font-size: 14px;
}

.item-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 6px 12px;
    margin-bottom: 5px;
}

.item-list li {
    font-size: 13px;
    position: relative;
    padding-left: 14px;
    line-height: 1.6;
    color: #555;
}

.item-list li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 5px;
    height: 5px;
    background-color: #ccc;
    border-radius: 50%;
}

.item-list li.highlight {
    color: var(--primary-color);
    font-weight: 500;
}

.item-list li.highlight:before {
    background-color: var(--primary-color);
}

.card-footer {
    padding: 12px 18px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background-color: #fafafa;
}

.card-footer .btn-outline {
    padding: 6px 14px;
    font-size: 13px;
    border-width: 1px;
    border-radius: 4px;
}

.card-footer .btn-primary {
    padding: 6px 14px;
    font-size: 13px;
    box-shadow: none;
    border-radius: 4px;
}

.card-footer .btn-primary:hover {
    box-shadow: 0 3px 8px rgba(38, 114, 255, 0.2);
}

.search-note {
    margin-top: 20px;
    padding: 12px 16px;
    background-color: #FFF8E1;
    border-radius: 6px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
    border-left: none;
    position: relative;
}

.search-note:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--warning-color);
    border-radius: 2px;
}

.search-note p {
    margin: 0;
    color: #555;
    line-height: 1.5;
}

/* 模态框响应式调整 */
@media (max-width: 768px) {
    .result-cards {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 16px;
    }
    
    .search-summary {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

@media (max-width: 576px) {
    .modal-container {
        width: 95%;
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 14px 16px;
    }
    
    .modal-header h2 {
        font-size: 16px;
    }
    
    .modal-content {
        padding: 12px;
    }
    
    .card-header {
        padding: 12px 14px;
    }
    
    .card-body {
        padding: 12px 14px;
    }
    
    .card-footer {
        padding: 12px 14px;
    }
    
    .item-list {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}

/* 新闻卡片样式 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 25px;
}

.news-card {
    background-color: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-img {
    position: relative;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-img img {
    transform: scale(1.05);
}

.news-content {
    padding: 18px 20px 20px;
}

.news-tag {
    display: inline-block;
    padding: 3px 10px;
    background-color: rgba(38, 114, 255, 0.1);
    color: var(--primary-color);
    font-size: 13px;
    border-radius: 100px;
    margin-bottom: 10px;
    font-weight: 500;
}

.news-content h3 {
    margin-bottom: 10px;
    font-size: 18px;
    line-height: 1.4;
    font-weight: 600;
    transition: color 0.3s ease;
}

.news-card:hover .news-content h3 {
    color: var(--primary-color);
}

.news-content p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-lighter);
    font-size: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

.news-meta span {
    display: flex;
    align-items: center;
}

.news-meta i {
    margin-right: 5px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text {
        text-align: center;
        margin-bottom: 30px;
    }
    
    .search-wrapper {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 16px;
    }
}

/* 首页首屏价值主张区（全新风格） */
.hero-ai {
    background: linear-gradient(100deg, #f7faff 60%, #eaf2ff 100%);
    padding: 64px 0 48px 0;
    position: relative;
    overflow: hidden;
}
.hero-ai-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}
.hero-ai-left {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    min-width: 320px;
}
.hero-ai-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: #1a2a4a;
    margin-bottom: 18px;
    letter-spacing: 1.2px;
    line-height: 1.15;
}
.hero-ai-subtitle {
    font-size: 1.18rem;
    color: #4a5a7a;
    margin-bottom: 32px;
    line-height: 1.7;
    font-weight: 400;
    max-width: 520px;
}
.hero-ai-tags {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.hero-ai-tag {
    background: linear-gradient(90deg, #eaf2ff 60%, #dbeafe 100%);
    color: #2672ff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 16px;
    padding: 7px 22px;
    box-shadow: 0 1px 6px rgba(38,114,255,0.04);
    border: 1.5px solid #dbe7fa;
    transition: all 0.22s cubic-bezier(.4,0,.2,1);
    cursor: pointer;
}
.hero-ai-tag:hover {
    background: linear-gradient(90deg, #2672ff 0%, #00eaff 100%);
    color: #fff;
    border-color: #00eaff;
    transform: translateY(-2px) scale(1.06);
}
.hero-ai-actions {
    display: flex;
    gap: 18px;
    margin-bottom: 28px;
}
.hero-ai-btn {
    display: inline-block;
    font-size: 1.08rem;
    font-weight: 700;
    border-radius: 24px;
    padding: 0 38px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    transition: all 0.2s cubic-bezier(.4,0,.2,1);
    box-shadow: 0 2px 12px rgba(38,114,255,0.08);
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
}
.hero-ai-btn-primary {
    background: linear-gradient(90deg, #2672ff 60%, #4d9fff 100%);
    color: #fff;
}
.hero-ai-btn-primary:hover {
    background: linear-gradient(90deg, #00eaff 0%, #2672ff 100%);
    color: #fff;
    box-shadow: 0 6px 24px rgba(0,234,255,0.13);
    transform: translateY(-2px) scale(1.04);
}
.hero-ai-btn-secondary {
    background: #fff;
    color: #2672ff;
    border: 1.5px solid #2672ff;
}
.hero-ai-btn-secondary:hover {
    background: #f3f7ff;
    color: #2672ff;
    border-color: #4d9fff;
    transform: translateY(-2px) scale(1.04);
}
.hero-ai-trust {
    margin-top: 10px;
    color: #7a8ca8;
    font-size: 15px;
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
}
.hero-ai-trust b {
    color: #2672ff;
    font-weight: 700;
}
.hero-ai-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 260px;
}
.hero-ai-illustration {
    width: 340px;
    height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eaf2ff 60%, #f7faff 100%);
    border-radius: 50%;
    box-shadow: 0 8px 40px rgba(38,114,255,0.10);
    overflow: hidden;
}
.hero-ai-illustration img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    display: block;
    margin: auto;
}
@media (max-width: 992px) {
    .hero-ai-container {
        flex-direction: column;
        gap: 32px;
        align-items: flex-start;
    }
    .hero-ai-right {
        width: 100%;
        justify-content: flex-start;
    }
    .hero-ai-illustration {
        width: 260px;
        height: 260px;
    }
}
@media (max-width: 600px) {
    .hero-ai {
        padding: 32px 0 18px 0;
    }
    .hero-ai-title {
        font-size: 1.5rem;
    }
    .hero-ai-subtitle {
        font-size: 1rem;
        margin-bottom: 18px;
    }
    .hero-ai-tags {
        gap: 8px;
        margin-bottom: 18px;
    }
    .hero-ai-btn {
        font-size: 0.98rem;
        height: 38px;
        line-height: 38px;
        padding: 0 18px;
    }
    .hero-ai-illustration {
        width: 160px;
        height: 160px;
    }
}

/* 首页首屏大搜索框样式 */
.hero-ai-search-bar {
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 32px;
  box-shadow: 0 4px 24px rgba(38,114,255,0.08);
  border: 1.5px solid #e3e8f0;
  padding: 0 8px 0 22px;
  margin: 0 0 32px 0;
  position: relative;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.hero-ai-search-bar:focus-within {
  border-color: #2672ff;
  box-shadow: 0 8px 32px rgba(38,114,255,0.13);
}
.hero-ai-search-icon {
  color: #b0b6c3;
  font-size: 1.4rem;
  margin-right: 10px;
}
.hero-ai-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.18rem;
  color: #1a2a4a;
  padding: 18px 0;
  height: 48px;
  letter-spacing: 0.5px;
}
.hero-ai-search-input::placeholder {
  color: #b0b6c3;
  font-size: 1.08rem;
}
.hero-ai-search-btn {
  background: linear-gradient(90deg, #2672ff 60%, #4d9fff 100%);
  color: #fff;
  border: none;
  border-radius: 24px;
  font-size: 1.08rem;
  font-weight: 700;
  padding: 0 32px;
  height: 44px;
  margin-left: 14px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 2px 12px rgba(38,114,255,0.08);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero-ai-search-btn:hover {
  background: linear-gradient(90deg, #00eaff 0%, #2672ff 100%);
  box-shadow: 0 6px 24px rgba(0,234,255,0.13);
  transform: translateY(-2px) scale(1.03);
}
@media (max-width: 600px) {
  .hero-ai-search-bar {
    max-width: 100%;
    padding: 0 4px 0 10px;
  }
  .hero-ai-search-input {
    font-size: 1rem;
    padding: 12px 0;
    height: 36px;
  }
  .hero-ai-search-btn {
    font-size: 0.98rem;
    height: 32px;
    padding: 0 14px;
  }
}

/* 搜索结果模态框样式 */
.hero-ai-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.45);
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.hero-ai-modal.active {
  display: flex;
}
.hero-ai-modal-content {
  background: #fff;
  border-radius: 16px;
  max-width: 400px;
  width: 90vw;
  padding: 32px 24px 24px 24px;
  box-shadow: 0 8px 40px rgba(38,114,255,0.18);
  position: relative;
  text-align: center;
}
.hero-ai-modal-close {
  position: absolute;
  top: 12px;
  right: 18px;
  font-size: 2rem;
  color: #aaa;
  cursor: pointer;
  transition: color 0.2s;
}
.hero-ai-modal-close:hover {
  color: #2672ff;
}
.hero-ai-modal-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #2672ff;
}
.hero-ai-modal-result {
  font-size: 1.08rem;
  color: #333;
  min-height: 40px;
}

/* 蓝色背景+中间大搜索框布局 */
.hero-ai.hero-ai-blue {
  background: linear-gradient(120deg, #2672ff 60%, #4d9fff 100%);
  min-height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  padding-bottom: 10px !important;
}
.hero-ai-center {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 96px 0 80px 0;
}
.hero-ai-blue .hero-ai-title {
  color: #fff;
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1.18;
  margin-bottom: 28px;
  text-align: center;
  text-shadow: 0 4px 24px rgba(38,114,255,0.10);
}
.hero-ai-blue .hero-ai-subtitle {
  color: #eaf2ff;
  font-size: 1.45rem;
  font-weight: 400;
  letter-spacing: 1px;
  line-height: 1.8;
  margin-bottom: 54px;
  text-align: center;
  max-width: 540px;
}
.hero-ai-blue .hero-ai-search-bar {
  width: 100%;
  max-width: 540px;
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(38,114,255,0.13);
  border: 2.5px solid #e3e8f0;
  padding: 0 0 0 28px;
  margin: 0 auto;
  position: relative;
  height: 68px;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.hero-ai-blue .hero-ai-search-bar:focus-within {
  border-color: #2672ff;
  box-shadow: 0 12px 40px rgba(38,114,255,0.18);
}
.hero-ai-blue .hero-ai-search-icon {
  color: #2672ff;
  font-size: 2rem;
  margin-right: 18px;
}
.hero-ai-blue .hero-ai-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.35rem;
  color: #222;
  padding: 0;
  height: 68px;
  font-weight: 500;
  letter-spacing: 1px;
}
.hero-ai-blue .hero-ai-search-input::placeholder {
  color: #b0b6c3;
  font-size: 1.18rem;
  font-weight: 400;
}
.hero-ai-blue .hero-ai-search-btn {
  background: linear-gradient(90deg, #2672ff 60%, #4d9fff 100%);
  color: #fff;
  border: none;
  border-radius: 0 8px 8px 0;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0 48px;
  height: 68px;
  margin-left: 0;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: none;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  position: relative;
  border-left: 2.5px solid #e3e8f0;
}
.hero-ai-blue .hero-ai-search-btn:hover {
  background: linear-gradient(90deg, #00eaff 0%, #2672ff 100%);
  box-shadow: 0 6px 24px rgba(0,234,255,0.13);
  transform: translateY(-2px) scale(1.03);
}
@media (max-width: 900px) {
  .hero-ai-center {
    max-width: 98vw;
    padding: 64px 0 40px 0;
  }
  .hero-ai-blue .hero-ai-title {
    font-size: 2.1rem;
  }
  .hero-ai-blue .hero-ai-subtitle {
    font-size: 1.08rem;
    margin-bottom: 28px;
  }
  .hero-ai-blue .hero-ai-search-bar {
    max-width: 100%;
    height: 54px;
    padding-left: 14px;
  }
  .hero-ai-blue .hero-ai-search-input {
    font-size: 1.08rem;
    height: 54px;
  }
  .hero-ai-blue .hero-ai-search-btn {
    font-size: 1.08rem;
    height: 54px;
    padding: 0 22px;
  }
  .hero-ai-blue .hero-ai-search-icon {
    font-size: 1.3rem;
    margin-right: 8px;
  }
}
@media (max-width: 600px) {
  .hero-ai.hero-ai-blue {
    min-height: 180px;
  }
  .hero-ai-center {
    padding: 24px 0 10px 0;
    max-width: 98vw;
  }
  .hero-ai-blue .hero-ai-title {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }
  .hero-ai-blue .hero-ai-subtitle {
    font-size: 0.92rem;
    margin-bottom: 14px;
  }
  .hero-ai-blue .hero-ai-search-bar {
    max-width: 100%;
    height: 38px;
    padding-left: 6px;
  }
  .hero-ai-blue .hero-ai-search-input {
    font-size: 0.98rem;
    height: 38px;
  }
  .hero-ai-blue .hero-ai-search-btn {
    font-size: 0.98rem;
    height: 38px;
    padding: 0 10px;
  }
  .hero-ai-blue .hero-ai-search-icon {
    font-size: 1rem;
    margin-right: 4px;
  }
}