/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --secondary-color: #06b6d4;
    --accent-color: #8b5cf6;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 
                 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
}

.container {
    /* max-width: 1280px; */
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    border-radius: 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.brand-logo {
    height: 58px;
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.1));
    transition: transform 0.2s ease, filter 0.2s ease;
}
.nav-brand span {
    font-size: 40px;
}

.nav-brand:hover .brand-logo {
    transform: translateY(-1px);
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.15));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

/* 二级菜单 */
.has-dropdown {
    position: relative;
}

.mega-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    padding-top: 20px;
}

@media (min-width: 769px) {
    .has-dropdown:hover .mega-dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
        pointer-events: all;
    }
}

.dropdown-content {
    background: white;
    border-radius: 0;
    padding: 32px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    display: flex;
    gap: 48px;
    min-width: 600px;
}

.dropdown-column {
    flex: 1;
}

.dropdown-column h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.dropdown-column a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 0;
    transition: var(--transition);
    margin-bottom: 4px;
}

.dropdown-column a:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: translateX(4px);
}

.dropdown-column a i,
.dropdown-column a svg {
    font-size: 18px;
    width: 32px;
    min-width: 32px;
    height: 18px;
    text-align: center;
    flex-shrink: 0;
}

.dropdown-column a svg {
    display: block;
}

/* 导航操作按钮 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-language {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

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

.btn-primary {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* 英雄区 */
.hero {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    right: 10%;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: -50px;
    left: 5%;
    animation-delay: -5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 30px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    /* font-weight: 800; */
    font-weight: lighter;
    line-height: 1.2;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 40px;
}

.stat-item {
    flex: 1;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    /* font-weight: lighter; */
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 24px;
}

.btn-hero {
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    white-space: nowrap;
}

.btn-hero:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* 联系我们按钮 */
.contact-us-wrapper {
    position: relative;
    display: inline-block;
}

.btn-contact {
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 1) 100%);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    box-shadow: 
        0 4px 12px rgba(59, 130, 246, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.btn-contact::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.8) 50%,
        transparent 70%
    );
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
    transition: transform 0.6s ease;
}

.btn-contact:hover::before {
    transform: translateX(100%) translateY(100%) rotate(45deg);
}

.btn-contact:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 
        0 6px 24px rgba(59, 130, 246, 0.35),
        0 0 20px rgba(59, 130, 246, 0.2);
    border-color: var(--primary-color);
}

/* 悬浮气泡二维码 */
.contact-qr-tooltip {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: white;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
    pointer-events: none;
    z-index: 100;
    min-width: 160px;
}

.contact-qr-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: white;
}

.contact-us-wrapper:hover .contact-qr-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

.contact-qr-tooltip img {
    width: 120px;
    height: 120px;
    display: block;
    margin: 0 auto 12px;
    border-radius: 8px;
}

.contact-qr-tooltip p {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    margin: 0;
}

.hero-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 联系我们弹窗 */
.contact-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

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

.contact-modal-content {
    background: white;
    border-radius: 16px;
    padding: 48px 40px;
    max-width: 480px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.contact-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: #f3f4f6;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 16px;
}

.contact-modal-close:hover {
    background: #e5e7eb;
    color: var(--text-primary);
    transform: rotate(90deg);
}

.contact-modal-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 12px;
}

.contact-modal-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
}

.contact-modal-qr {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.contact-modal-qr img {
    width: 220px;
    height: 220px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    padding: 16px;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact-modal-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: #f9fafb;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    background: #f3f4f6;
    transform: translateX(4px);
}

.contact-info-item i {
    font-size: 18px;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.contact-info-item span {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 500;
}

.hero-illustration {
    position: relative;
    height: 500px;
}

/* 统一的中央大弹窗 */
.hero-central-popover {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.88);
    width: 880px;
    min-height: 520px;
    padding: 60px 72px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(59, 130, 246, 0.2);
    /* border-radius: 28px; */
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), 
                visibility 0s linear 0.4s,
                transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
    pointer-events: none;
    z-index: 20;
}

.hero-central-popover.visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
    transition: opacity 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), 
                visibility 0s linear 0s,
                transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.hero-central-popover .popover-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.hero-central-popover .popover-description {
    font-size: 15px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-central-popover .popover-tags {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    justify-items: stretch;
}

.hero-central-popover .popover-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 11px 18px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);
    border: 1.5px solid rgba(59, 130, 246, 0.2);
    /* border-radius: 8px; */
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
    cursor: pointer;
    min-height: 42px;
}

.hero-central-popover .popover-tag:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, #06b6d4 100%);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.3);
}

.hero-illustration img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.floating-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    animation: floatCard 3s ease-in-out infinite;
    overflow: visible;
    transition: opacity 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), 
                transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), 
                box-shadow 0.3s ease;
    z-index: 5;
    color: var(--primary-color);
    cursor: pointer;
}

.floating-card i { 
    font-size: 42px; 
    line-height: 1; 
    transition: transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
    pointer-events: none;
}

/* 动态注入的 Font Awesome SVG 图标尺寸与颜色 */
.floating-card svg { 
    width: 44px; 
    height: 44px; 
    display: block; 
    transition: transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
    pointer-events: none;
}
.floating-card svg path { fill: currentColor; }

/* 卡片激活时 - 缩小淡出（飞向中央的视觉效果） */
.floating-card.active {
    opacity: 0.25;
    transform: scale(0.65) translateY(-8px);
    box-shadow: var(--shadow-md);
    z-index: 2;
    animation-play-state: paused;
}

.floating-card.active i,
.floating-card.active svg {
    transform: scale(0.75);
}

.card-1 {
    top: 10%;
    right: 20%;
}

.card-2 {
    bottom: 30%;
    right: 10%;
    animation-delay: -1s;
}

.card-3 {
    top: 50%;
    left: 10%;
    animation-delay: -2s;
}

.card-4 {
    top: 22%;
    left: 18%;
    animation-delay: -1.5s;
}

.card-5 {
    bottom: 20%;
    left: 28%;
    animation-delay: -0.5s;
}

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

/* 分类区域 */
.categories {
    padding: 100px 0;
    background: var(--bg-primary);
}

.categories .section-header,
.features .section-header {
    text-align: center !important;
    margin-bottom: 60px;
    width: 100%;
    display: block;
}

.section-header {
    text-align: center !important;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    text-align: center !important;
    display: block;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center !important;
    display: block;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.category-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px;
    background: white;
    border-radius: 0;
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0;
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.category-card:hover::before {
    opacity: 0.05;
}

.category-icon {
    width: 80px;
    height: 80px;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    color: #ffffff !important; /* 设置 color 给 SVG 的 currentColor */
}

.category-icon i,
.category-icon i::before,
.category-icon i::after,
.category-icon .fa,
.category-icon .fas,
.category-icon .far,
.category-icon .fab,
.category-icon svg {
    font-size: 40px;
    /* width: 40px;
    height: 40px; */
    color: #ffffff !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: all 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
    animation: iconFloat 3s ease-in-out infinite;
}

.category-icon svg path {
    fill: currentColor !important;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-8px) scale(1.05);
    }
}

.category-card:hover .category-icon i,
.category-card:hover .category-icon i::before,
.category-card:hover .category-icon .fa,
.category-card:hover .category-icon .fas,
.category-card:hover .category-icon .far,
.category-card:hover .category-icon .fab,
.category-card:hover .category-icon svg {
    animation: iconBounce 0.6s ease-in-out;
    transform: scale(1.15) rotate(5deg);
}

@keyframes iconBounce {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    25% {
        transform: scale(1.2) rotate(-5deg);
    }
    50% {
        transform: scale(1.1) rotate(5deg);
    }
    75% {
        transform: scale(1.15) rotate(-3deg);
    }
}

.category-info {
    flex: 1;
    position: relative;
    z-index: 1;
}

.category-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

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

.category-arrow {
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.category-card:hover .category-arrow {
    color: var(--primary-color);
    transform: translateX(4px);
}

/* 模板展示区 */
.template-showcase {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.showcase-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
}

/* Tab导航 */
.tab-navigation {
    position: relative;
    margin-bottom: 40px;
}

.tab-list {
    display: flex;
    justify-content: center;
    gap: 40px;
    list-style: none;
    position: relative;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.tab-item {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    padding: 8px 0;
    white-space: nowrap;
}

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

.tab-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

.tab-slider {
    position: absolute;
    bottom: -2px;
    left: 0;
    height: 3px;
    width: 80px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 模板卡片包装器 */
.template-card-wrapper {
    /* display: flex;
    gap: 40px; */
    display: grid;
    gap: 0;
    background: white;
    border-radius: 0;
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    grid-template-columns: 0.8fr 1fr;
}

/* 左侧模板预览 */
.template-preview {
    flex: 0 0 48%;
    position: relative;
    border-radius: 0;
    overflow: hidden;
    /* background: var(--bg-secondary); */
    background-color: #fff;
}

.preview-item {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.preview-item.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.4s ease;
}

.preview-item img {
    width: 80%;
    height: auto;
    display: block;
    border-radius: 0;
    margin: 0 auto;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 右侧模板信息 */
.template-info-container {
    flex: 1;
    position: relative;
}

.template-info {
    display: none;
    opacity: 0;
}

.template-info.active {
    display: block;
    opacity: 1;
    animation: fadeInRight 0.4s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.info-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.info-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* 行业标签 */
.industry-tags {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    list-style: none;
    margin-bottom: 32px;
}

.industry-tags li {
    margin: 0;
}

.industry-tags a {
    display: block;
    padding: 10px 16px;
    text-align: center;
    background: var(--bg-secondary);
    border-radius: 0;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 12px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.industry-tags a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 查看更多按钮 */
.view-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.view-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.view-more-btn i {
    transition: transform 0.3s ease;
}

.view-more-btn:hover i {
    transform: translateX(4px);
}

/* 特性区域 */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 40px 24px;
    background: white;
    border-radius: 0;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff !important; /* 设置 color 给 SVG 的 currentColor */
}

.feature-icon i,
.feature-icon i::before,
.feature-icon i::after,
.feature-icon .fa,
.feature-icon .fas,
.feature-icon .far,
.feature-icon .fab,
.feature-icon svg {
    font-size: 32px;
    width: 32px;
    height: 32px;
    color: #ffffff !important;
}

.feature-icon svg path {
    fill: currentColor !important;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 合作伙伴 */
.partners {
    padding: 80px 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.partners-slider {
    margin-top: 48px;
    overflow: hidden;
}

.partners-track {
    display: flex;
    gap: 60px;
    animation: scroll 30s linear infinite;
}

.partner-logo {
    min-width: 150px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-secondary);
    opacity: 0.6;
    transition: var(--transition);
}

.partner-logo a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.partner-logo img {
    max-width: 120px;
    max-height: 50px;
    object-fit: contain;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partner-logo:hover {
    opacity: 1;
    color: var(--primary-color);
}

.partner-logo:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 页脚 */
.footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.footer-brand .brand-logo {
    height: 42px;
    width: auto;
    display: block;
}

.footer-column h4 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-4px);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 14px;
}



/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-illustration {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* 中央弹窗响应式 */
    .hero-central-popover {
        width: 92%;
        min-height: auto;
        padding: 36px 24px;
    }
    
    .hero-central-popover .popover-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .hero-central-popover .popover-description {
        font-size: 13px;
        margin-bottom: 24px;
    }
    
    .hero-central-popover .popover-tags {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 8px;
    }
    
    .hero-central-popover .popover-tag {
        padding: 9px 12px;
        font-size: 13px;
        min-height: 38px;
    }
    
    /* 浮动卡片在小屏幕上缩小 */
    .floating-card {
        width: 60px;
        height: 60px;
    }
    
    .floating-card i {
        font-size: 28px;
    }
    
    .floating-card svg {
        width: 30px;
        height: 30px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-item {
        width: 100%;
        margin-bottom: 8px;
    }
    
    .nav-menu .nav-link {
        display: block;
        width: 100%;
        padding: 12px 16px;
    }
    
    .nav-menu .mega-dropdown {
        position: static;
        transform: none;
        padding-top: 0;
        display: none !important;
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }
    
    .nav-menu .has-dropdown.active .mega-dropdown {
        display: block !important;
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-menu .dropdown-content {
        box-shadow: none;
        border: none;
        padding: 12px 0;
        min-width: auto;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .nav-menu .dropdown-column {
        margin-bottom: 16px;
    }
    
    .nav-menu .dropdown-column h4 {
        font-size: 13px;
        margin-bottom: 8px;
        padding-left: 12px;
    }
    
    .nav-menu .dropdown-column a {
        padding: 8px 12px;
        margin-bottom: 2px;
    }
    
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .dropdown-content {
        flex-direction: column;
        min-width: auto;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-title {
        font-size: 28px;
    }
    
    .tab-list {
        gap: 20px;
        overflow-x: auto;
        justify-content: flex-start;
        padding: 0 20px 16px;
        scrollbar-width: none;
    }
    
    .tab-list::-webkit-scrollbar {
        display: none;
    }
    
    .template-card-wrapper {
        flex-direction: column;
        padding: 24px;
    }
    
    .template-preview {
        flex: none;
        width: 100%;
    }
    
    .industry-tags {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .industry-tags a {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}