/* 首页隐藏特定导航项 */
body.page-home .nav-home-only {
    display: none;
}

/* 首页Banner区域 - 天工网深色风格 */
.banner-section {
    position: relative;
    background: linear-gradient(135deg, rgba(28,24,20,0.85) 0%, rgba(20,20,20,0.9) 100%), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 600"><rect fill="%232c1810" width="1920" height="600"/></svg>');
    background-size: cover;
    background-position: center;
    min-height: 550px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* 可以添加背景图片：使用工地/工程照片 */
.banner-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/assets/img/banner-bg.jpg'); /* 添加实际的工地图片 */
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: 0;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255,102,0,0.05) 0%, transparent 70%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 80px 0;
    width: 100%;
}

/* Banner居中内容 */
.banner-center {
    width: 100%;
    max-width: 1000px;
    color: #fff;
    text-align: center;
}

.banner-title {
    font-size: 54px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    animation: fadeInUp 0.8s ease-out;
}

.banner-subtitle {
    font-size: 18px;
    margin-bottom: 50px;
    opacity: 0.95;
    font-weight: 400;
    letter-spacing: 1px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out;
}

/* Banner搜索框 - 天工网大尺寸样式 */
.banner-search {
    margin-bottom: 30px;
    animation: fadeInUp 1.2s ease-out;
}

.banner-search .search-wrapper {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 6px;
    padding: 0;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    max-width: 850px;
    margin: 0 auto;
    transition: all 0.3s ease;
    overflow: hidden;
}

.banner-search .search-wrapper:focus-within {
    box-shadow: 0 10px 40px rgba(255,102,0,0.4);
    transform: translateY(-2px);
}

.banner-search .search-icon {
    color: #999;
    margin-left: 20px;
    margin-right: 10px;
    flex-shrink: 0;
}

.banner-search .search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 16px;
    color: #333;
    outline: none;
    padding: 18px 15px;
}

.banner-search .search-input::placeholder {
    color: #aaa;
}

.banner-search .search-btn-submit {
    background: linear-gradient(135deg, #ff6600 0%, #ff8533 100%);
    color: #fff;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 18px 50px;
    border-radius: 0;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.banner-search .search-btn-submit:hover {
    background: linear-gradient(135deg, #ff8533 0%, #ff6600 100%);
    box-shadow: 0 4px 15px rgba(255,102,0,0.5);
}

.banner-search .search-btn-submit svg {
    width: 18px;
    height: 18px;
}

/* 热门搜索标签 - 天工网样式 */
.hot-search-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 25px;
    font-size: 14px;
    color: rgba(255,255,255,0.85);
}

.hot-search-tags .tag-label {
    font-weight: 400;
    margin-right: 5px;
    color: rgba(255,255,255,0.85);
}

.hot-search-tags .search-tag {
    padding: 8px 18px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    color: rgba(255,255,255,0.95);
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 13px;
}

.hot-search-tags .search-tag:hover {
    background: rgba(255,102,0,0.3);
    border-color: rgba(255,102,0,0.5);
    color: #fff;
    transform: translateY(-2px);
}


.suggestion-item em {
    color: #ff6600;
    font-style: normal;
    font-weight: 600;
}

/* 进度条动画 */
.progress-dots {
    margin-top: 50px;
    display: none;
}

.progress-bar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 50%;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    border-radius: 2px;
    animation: progressMove 2s ease-in-out infinite;
}

.dots {
    display: flex;
    gap: 12px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.dot.active {
    background: #fbbf24;
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.6);
}

@keyframes progressMove {
    0% {
        left: -50%;
    }
    100% {
        left: 100%;
    }
}

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

/* 响应式适配 */
@media (max-width: 768px) {
    .banner-section {
        min-height: 500px;
    }
    
    .banner-title {
        font-size: 42px;
    }
    
    .banner-subtitle {
        font-size: 18px;
    }
    
    .banner-search .search-wrapper {
        max-width: 100%;
        padding: 6px 8px 6px 15px;
    }
    
    .banner-search .search-input {
        font-size: 15px;
    }
    
    .banner-search .search-btn-submit {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .hot-search-tags {
        font-size: 13px;
    }
}

/* 数据展示区域 */
.data-showcase {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.data-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.03)" /></svg>');
    animation: float 20s linear infinite;
}

@keyframes float {
    from { background-position: 0 0; }
    to { background-position: 100px 100px; }
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.data-item {
    text-align: center;
    color: #fff;
}

.data-icon {
    font-size: 48px;
    margin-bottom: 20px;
    animation: bounce 2s ease-in-out infinite;
}

.data-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    font-family: 'Arial', sans-serif;
}

.data-number::after {
    content: '+';
    font-size: 32px;
    margin-left: 5px;
}

.data-label {
    font-size: 16px;
    opacity: 0.95;
}

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

/* 通用section样式 */
.section-title {
    font-size: 36px;
    font-weight: 600;
    text-align: center;
    color: #1e293b;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: #64748b;
    font-size: 16px;
    margin-bottom: 50px;
}

/* 核心行业专区 */
.industry-zone-section {
    background: #fff;
    padding: 80px 0;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.industry-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.industry-card:hover::before {
    left: 100%;
}

.industry-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    border-color: #f97316;
}

.industry-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.industry-content {
    flex: 1;
}

.industry-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 8px 0;
}

.industry-count {
    font-size: 16px;
    font-weight: 600;
    color: #f97316;
    margin: 0 0 5px 0;
}

.industry-desc {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.industry-arrow {
    font-size: 28px;
    color: #cbd5e1;
    transition: all 0.3s ease;
}

.industry-card:hover .industry-arrow {
    color: #f97316;
    transform: translateX(5px);
}

.industry-card-all {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px dashed #cbd5e1;
}

.industry-card-all:hover {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-color: #f97316;
}

/* 产品与服务 */
.services-section {
    background: #f8fafc;
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.15);
    border-color: #f97316;
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

.service-icon i {
    font-size: 48px;
    color: #ff6600;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon i {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 20px;
}

.service-list {
    list-style: none;
    margin-bottom: 25px;
}

.service-list li {
    color: #64748b;
    font-size: 14px;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.service-link {
    color: #f97316;
    font-weight: 500;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.service-link:hover {
    gap: 10px;
}

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

/* 项目区域 */
.project-section {
    padding: 80px 0;
    background: #f8f9fa;
    overflow: hidden;
}

/* 左右布局容器 */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;  /* 左右各占50%宽度 */
    gap: 30px;
    margin-top: 40px;
    max-width: 100%;
    overflow: hidden;
}

.project-column {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    min-width: 0;
    overflow: hidden;
}

/* 列标题 */
.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f1f5f9;
}

.column-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
}

.more-link {
    color: #f97316;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.more-link:hover {
    color: #ea580c;
    gap: 8px;
}

/* 响应式：小屏幕时改为上下布局 */
@media (max-width: 992px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 项目筛选区域 */
.project-filter-section {
    background: #f8fafc;
    padding: 80px 0;
}

.filter-tabs {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 40px;
}

.filter-group {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-label {
    font-weight: 500;
    color: #1e293b;
    white-space: nowrap;
    padding-top: 8px;
    min-width: 80px;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    flex: 1;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid #e2e8f0;
    background: #fff;
    border-radius: 6px;
    font-size: 14px;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: #f97316;
    color: #f97316;
}

.filter-btn.active {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #fff;
    border-color: transparent;
}

/* 项目列表 */
.project-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 0;
    overflow: hidden;
}

.project-column .project-list {
    gap: 12px;
}

.project-card {
    background: #fff;
    border-radius: 8px;
    padding: 15px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    border: 1px solid #e5e7eb;
    min-width: 0;
    overflow: hidden;
}

.project-column .project-card {
    background: #f8f9fa;
    border: none;
    border-left: 3px solid transparent;
}

.project-card:hover {
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-left-color: #f97316;
    transform: translateX(2px);
}

.project-column .project-card:hover {
    background: #fff;
}

.project-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 0;
    min-width: 0;
    overflow: hidden;
}

.project-column .project-header {
    gap: 10px;
}

.project-stage {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.badge-prepare {
    background: #dbeafe;
    color: #1e40af;
}

.badge-bidding {
    background: #fee2e2;
    color: #991b1b;
}

.badge-project {
    background: #dbeafe;
    color: #1e40af;
}

.badge-construction {
    background: #fef3c7;
    color: #92400e;
}

.badge-design {
    background: #e0e7ff;
    color: #3730a3;
}

.badge-equipment {
    background: #d1fae5;
    color: #065f46;
}

.project-title {
    font-size: 16px;
    font-weight: 500;
    color: #1e293b;
    margin: 0;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-column .project-title {
    font-size: 15px;
}

.project-time {
    color: #94a3b8;
    font-size: 12px;
    white-space: nowrap;
}

.project-info {
    margin-bottom: 20px;
}

.info-row {
    display: flex;
    align-items: center;
    padding: 8px 0;
    font-size: 14px;
}

.info-label {
    color: #64748b;
    min-width: 90px;
}

.info-value {
    color: #1e293b;
    flex: 1;
}

.info-value.progress-badge {
    display: inline-block;
    padding: 3px 10px;
    background: linear-gradient(135deg, #ff6600 0%, #ff8533 100%);
    color: #fff;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    flex: none;
}

.project-desc {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin-top: 12px;
    padding: 15px;
    background: #f8fafc;
    border-radius: 6px;
}

.project-footer {
    display: none;
}

.project-column .project-footer {
    display: none;
}

.btn-contact,
.btn-detail {
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-contact {
    background: #fff;
    border: 1px solid #e2e8f0;
    color: #64748b;
}

.btn-contact:hover {
    border-color: #f97316;
    color: #f97316;
}

.btn-detail {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #fff;
    border: none;
}

.btn-detail:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

/* 会员权益 */
.membership-section {
    background: #fff;
    padding: 80px 0;
}

.membership-table {
    display: grid;
    grid-template-columns: 200px repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.membership-col {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.membership-col:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.membership-col:first-child {
    background: #f8fafc;
}

.membership-header {
    padding: 25px 20px;
    text-align: center;
    position: relative;
}

.membership-col:first-child .membership-header {
    background: #1e293b;
}

.plan-free .membership-header {
    background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
}

.plan-basic .membership-header {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.plan-premium .membership-header {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.plan-vip .membership-header {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.membership-header h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 10px 0;
}

.membership-col:first-child .membership-header h3 {
    margin: 0;
}

.price {
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    margin-top: 10px;
}

.price span {
    font-size: 16px;
    font-weight: 400;
}

.badge-hot {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ef4444;
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.feature-list {
    background: #fff;
}

.feature-item {
    padding: 18px 20px;
    border-bottom: 1px solid #f1f5f9;
    font-size: 14px;
    color: #64748b;
    text-align: center;
}

.membership-col:first-child .feature-item {
    background: #f8fafc;
    font-weight: 500;
    color: #1e293b;
    text-align: left;
}

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

.btn-member {
    width: 100%;
    padding: 15px;
    border: none;
    background: #f1f5f9;
    color: #64748b;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-member:hover {
    background: #e2e8f0;
}

.btn-member.active {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #fff;
}

.btn-member.active:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.link-more {
    color: #f97316;
    font-weight: 500;
    font-size: 15px;
}

/* 会员卡片网格布局 */
.membership-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.membership-card {
    background: #fff;
    border-radius: 16px;
    padding: 35px 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
    border: 2px solid transparent;
    position: relative;
    display: flex;
    flex-direction: column;
}

.membership-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-color: #ff6600;
}

.membership-card.recommended {
    border-color: #ff6600;
    box-shadow: 0 8px 30px rgba(255, 102, 0, 0.15);
}

.card-badge {
    position: absolute;
    top: -12px;
    right: 30px;
    background: linear-gradient(135deg, #ff6600 0%, #ff8833 100%);
    color: #fff;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.card-header {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 2px solid #f1f5f9;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 15px 0;
}

.card-price {
    margin-top: 10px;
}

.price-value {
    font-size: 36px;
    font-weight: 700;
    color: #ff6600;
}

.price-unit {
    font-size: 16px;
    color: #64748b;
    margin-left: 5px;
}

.card-desc {
    text-align: center;
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 25px;
    min-height: 40px;
}

.card-action {
    margin-top: auto;
    text-align: center;
}

.btn-card-detail {
    display: block;
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-card-detail:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    color: #fff;
    text-decoration: none;
}

.membership-card.recommended .btn-card-detail {
    background: linear-gradient(135deg, #ff6600 0%, #ff8833 100%);
}

.membership-card.recommended .btn-card-detail:hover {
    box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
}

/* 响应式 */
@media (max-width: 992px) {
    .membership-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 576px) {
    .membership-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 服务优势 */
.advantages-section {
    background: #f8fafc;
    padding: 80px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-item {
    background: #fff;
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.advantage-icon i {
    font-size: 56px;
    color: #ff6600;
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon i {
    transform: scale(1.1);
}

.advantage-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 12px;
}

.advantage-item p {
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* 工具类 */
.text-center {
    text-align: center;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 16px;
}

/* 响应式 */
@media (max-width: 1200px) {
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .banner-content {
        flex-direction: column;
    }
    
    .industry-grid {
        grid-template-columns: 1fr;
    }
    
    .banner-left {
        text-align: center;
    }
    
    .banner-right {
        width: 100%;
        max-width: 400px;
    }
    
    .banner-title {
        font-size: 42px;
    }
    
    .progress-bar {
        margin: 0 auto 15px;
    }
    
    .dots {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .banner-section {
        min-height: auto;
    }
    
    .banner-title {
        font-size: 32px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .login-body {
        padding: 20px;
    }
}