/* 双擎码溯源 - 高端官网样式 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #0f172a;
    --secondary: #334155;
    --accent: #1677ff;
    --accent-light: #69b1ff;
    --accent-glow: rgba(22, 119, 255, 0.15);
    --success: #10b981;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --bg: #fafbfc;
    --bg-card: #ffffff;
    --bg-alt: #f1f5f9;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --gradient: linear-gradient(135deg, #1677ff 0%, #096dd9 100%);
    --gradient-hover: linear-gradient(135deg, #69b1ff 0%, #1677ff 100%);
}

[data-theme="dark"] {
    --primary: #f8fafc;
    --secondary: #cbd5e1;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --bg: #0c0c0c;
    --bg-card: #171717;
    --bg-alt: #1a1a1a;
    --border: #2a2a2a;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5);
    --accent-glow: rgba(22, 119, 255, 0.2);
}

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

html { scroll-behavior: smooth; }

[data-theme="dark"] body { background: var(--bg); }

body {
    font-family: 'DM Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #ffffff;
    color: var(--text);
    line-height: 1.6;
    transition: all 0.3s ease;
}

h1, h2, h3, h4 { font-weight: 600; color: var(--text); }
a { text-decoration: none; color: inherit; }

/* 导航 */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}
[data-theme="dark"] .nav { background: rgba(12,12,12,0.85); }
.nav.scrolled { padding: 0.75rem 5%; box-shadow: var(--shadow); }

.logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-icon {
    width: 36px;
    height: 36px;
    /*background: var(--gradient);*/
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.logo-text { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.logo-text span { color: #1677ff; }

.nav-links { 
    display: flex; 
    gap: 2rem; 
    list-style: none; 
    align-items: center;
    margin-left: 2rem;
}
.nav-links > li {
    position: relative;
}
.nav-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.nav-links a:hover, .nav-links a.active { color: #1677ff; }

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.25rem;
}

.nav-links > li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.6rem 0.875rem;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 0.875rem;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: var(--bg-alt);
    color: #1677ff;
}

.dropdown-arrow {
    font-size: 0.75rem;
    transition: transform 0.3s;
}

.nav-links > li:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* 主题切换 Switch */
.theme-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 28px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
}

.theme-slider:before {
    content: '';
    position: absolute;
    height: 22px;
    width: 22px;
    left: 2px;
    bottom: 2px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.theme-switch input:checked + .theme-slider {
    background: #1677ff;
    border-color: #1677ff;
}

.theme-switch input:checked + .theme-slider:before {
    transform: translateX(24px);
}

.theme-icon {
    font-size: 14px;
    z-index: 1;
    transition: opacity 0.3s;
}

.theme-icon.sun {
    margin-left: 2px;
}

.theme-icon.moon {
    margin-right: 2px;
}

.theme-switch input:checked + .theme-slider .sun {
    opacity: 0.5;
}

.theme-switch input:not(:checked) + .theme-slider .moon {
    opacity: 0.5;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-login {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-login:hover {
    color: #1677ff;
}

.nav-cta {
    background: #1677ff;
    color: white !important;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(22,119,255,0.3);
}
.nav-cta:hover { box-shadow: 0 4px 12px rgba(22,119,255,0.4); transform: translateY(-1px); }

/* Hero */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: 7rem 5% 3rem;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

html[data-theme="dark"] .hero-content .video-back, [data-theme="dark"] .video-back {
    display: none;
}

html[data-theme="dark"] .hero {
    background: #1a1a1a;
}

.hero-content .video-back {
    height: 1000px;
    position: absolute;
    right: -270px;
    top: -250px;
    width: 1200px;
    z-index: -1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-glow);
    border: 1px solid rgba(22,119,255,0.2);
    padding: 0.4rem 0.85rem;
    border-radius: 50px;
    font-size: 0.8rem;
    color: #096dd9;
    font-weight: 500;
    margin-bottom: 1.25rem;
}

.hero h1 {
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--text);
}
.hero h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    max-width: 480px;
}

.hero-btns { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--gradient);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(22,119,255,0.3);
    border: none;
    cursor: pointer;
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(22,119,255,0.4); transform: translateY(-2px); }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--bg-card);
    color: var(--text);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.btn-secondary:hover { border-color: #1677ff; color: #1677ff; }

.hero-stats { display: flex; gap: 2.5rem; }
.hero-stats .stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1677ff;
}
.hero-stats .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Hero 视觉 */
.hero-visual {
    position: relative;
    height: 420px;
}
.hero-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.25rem;
    box-shadow: var(--shadow-lg);
    animation: float 4s ease-in-out infinite;
}
.hero-card-1 { top: 0; right: 10%; width: 200px; animation-delay: 0s; }
.hero-card-2 { bottom: 25%; left: 0; width: 180px; animation-delay: 1.5s; }
.hero-card-3 { bottom: 0; right: 5%; width: 160px; animation-delay: 3s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
.hero-card-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.6rem;
}
.hero-card-num { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.hero-card-label { font-size: 0.8rem; color: var(--text-muted); }

/* 通用区块 */
.section { padding: 5rem 5%; }
.section-alt { background: #f0f2f5; }
[data-theme="dark"] .section-alt { background: #141414; }
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}
.section-badge {
    display: inline-block;
    background: var(--accent-glow);
    color: #096dd9;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}
.section-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: 0.75rem;
}
.section-desc { color: var(--text-muted); font-size: 1rem; }

/* 功能卡片 */
.features-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 0 5%;
}
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem;
    transition: all 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.feature-icon {
    width: 52px;
    height: 52px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.feature-icon svg {
    width: 32px;
    height: 32px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon svg {
    stroke: #096dd9;
    transform: scale(1.05);
}
.feature-title { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

/* 解决方案 - 3列网格 */
.solutions-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
}

.solution-card:hover {
    border-color: rgba(22,119,255,0.4);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.solution-icon { 
    font-size: 2.5rem; 
    margin-bottom: 0.75rem; 
}

.solution-img {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1rem;
    aspect-ratio: 780 / 450;
}

.solution-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

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

.solution-title { 
    font-size: 1.25rem; 
    margin-bottom: 0.5rem; 
}

.solution-desc { 
    color: var(--text-muted); 
    margin-bottom: 1rem; 
    font-size: 0.95rem; 
}

.solution-list { 
    list-style: none; 
}

.solution-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.solution-list li::before {
    content: '✓';
    color: #1677ff;
    font-weight: 600;
}

/* 数据 */

/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}
.service-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.service-item h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text);
}
.service-item ul {
    list-style: none;
    text-align: left;
}
.service-item li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}
.service-item li:last-child {
    border-bottom: none;
}
@media (max-width: 768px) {
    .about-services {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.stats-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.stats-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
}
.stats-num {
    font-size: 2.25rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stats-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 0.25rem; }

/* 案例 */
.cases-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.case-img {
    height: 140px;
    background: linear-gradient(135deg, var(--bg-alt), var(--accent-glow));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}
.case-content { padding: 1.25rem; }
.case-tag {
    display: inline-block;
    background: var(--accent-glow);
    color: #096dd9;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.case-title { font-size: 1rem; margin-bottom: 0.35rem; }
.case-desc { color: var(--text-muted); font-size: 0.85rem; }

/* 客户案例轮播 */
.cases-slider-container {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    padding: 0 3rem;
}

.cases-slider-wrapper {
    overflow: hidden;
}

.cases-slider {
    display: flex;
    transition: transform 0.5s ease;
}

.cases-slide {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    flex-shrink: 0;
}

.cases-slide .fade-in {
    opacity: 1;
    transform: none;
}

.cases-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cases-slider-btn:hover {
    background: #1677ff;
    color: white;
    border-color: #1677ff;
}

.cases-slider-prev {
    left: 0;
}

.cases-slider-next {
    right: 0;
}

.cases-slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.case-dot {
    width: 10px;
    height: 10px;
    background: var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.case-dot.active {
    background: #1677ff;
    width: 24px;
    border-radius: 5px;
}

/* 移动端案例轮播 */
@media (max-width: 768px) {
    .cases-slide {
        grid-template-columns: 1fr;
    }
    
    .cases-slider-container {
        padding: 0 2.5rem;
    }
    
    .cases-slider-btn {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }
}

/* 运营文章 */
.articles-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.article-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    display: block;
    color: inherit;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}

.article-img {
    height: 180px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}
.article-img .article-img-title {
    color: white;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0.5rem;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.article-img img {
    display: none;
}

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

.article-content {
    padding: 1rem;
}

.article-tag {
    display: inline-block;
    background: var(--accent-glow);
    color: #096dd9;
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.article-title {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    line-height: 1.4;
}

.article-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 移动端运营文章 */
@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .article-img {
        height: 100px;
    }
}

/* 文章详情页 */
.article-header {
    padding: 8rem 5% 3rem;
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%);
    text-align: center;
}

[data-theme="dark"] .article-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.article-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-header h1 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.article-subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* 文章两列布局 */
.article-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 5%;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2.5rem;
}

/* 侧边栏 */
.article-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.sidebar-block h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 0.5rem;
}

.category-list a {
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all 0.2s;
}

.category-list a:hover, .category-list a.active {
    background: var(--accent-glow);
    color: #1677ff;
}

.hot-articles {
    list-style: none;
}

.hot-articles li {
    margin-bottom: 0.75rem;
}

.hot-articles a {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
    transition: color 0.2s;
}

.hot-articles a:hover {
    color: #1677ff;
}

.hot-num {
    background: var(--border);
    color: var(--text);
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.hot-articles li:first-child .hot-num {
    background: #1677ff;
    color: white;
}

.sidebar-contact p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.sidebar-cta {
    display: block;
    text-align: center;
    background: #1677ff;
    color: white;
    padding: 0.6rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-top: 1rem;
    transition: background 0.2s;
}

.sidebar-cta:hover {
    background: #0958d9;
}

/* 主内容区 */
.article-main {
    min-width: 0;
}

.article-meta-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.article-meta-bar .article-tag {
    background: #1677ff;
    color: white;
}

.article-date, .article-views {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-body h2 {
    font-size: 1.35rem;
    margin: 1.5rem 0 1rem;
}

.article-body h3 {
    font-size: 1.15rem;
    margin: 1.25rem 0 0.75rem;
}

.article-body p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.article-img-full {
    margin: 1.5rem 0;
    border-radius: 12px;
    overflow: hidden;
}

.article-img-full img {
    width: 100%;
    height: auto;
    display: block;
}

.article-body ul, .article-body ol {
    margin: 1rem 0 1.25rem 1.25rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.article-body li {
    margin-bottom: 0.4rem;
    font-size: 0.95rem;
}

.article-body strong {
    color: var(--text);
}

.article-share {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.share-btn {
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: all 0.2s;
}

.share-btn:hover {
    border-color: #1677ff;
    color: #1677ff;
}

.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.prev-article, .next-article {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s;
}

.prev-article:hover, .next-article:hover {
    border-color: #1677ff;
}

.prev-article span, .next-article span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.prev-article h4, .next-article h4 {
    font-size: 0.9rem;
    color: var(--text);
}

.next-article {
    text-align: right;
}

/* 相关文章推荐 */
.related-articles {
    padding: 4rem 5%;
    background: var(--bg-alt);
}

.related-header {
    max-width: 1100px;
    margin: 0 auto 2rem;
}

.related-header h3 {
    font-size: 1.25rem;
}

.related-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-img {
    height: 140px;
    overflow: hidden;
}

.related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-content {
    padding: 1rem;
}

.related-content h4 {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-top: 0.5rem;
}

/* 移动端文章详情 */
@media (max-width: 768px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        position: static;
        order: 1;
    }
    
    .article-main {
        order: 0;
    }
    
    .article-navigation {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== 文章列表页 ==================== */
.article-list-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 5%;
}

.article-sidebar {
    position: sticky;
    top: 90px;
    height: fit-content;
}

.sidebar-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.sidebar-block h3 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 0.4rem;
}

.category-list a {
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: all 0.2s;
}

.category-list a:hover, .category-list a.active {
    background: var(--accent-glow);
    color: #1677ff;
}

.hot-articles {
    list-style: none;
}

.hot-articles li {
    margin-bottom: 0.75rem;
}

.hot-articles a {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
    transition: color 0.2s;
}

.hot-articles a:hover {
    color: #1677ff;
}

.hot-num {
    background: var(--border);
    color: var(--text);
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.hot-articles li:first-child .hot-num {
    background: #1677ff;
    color: white;
}

.sidebar-contact p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.sidebar-cta {
    display: block;
    text-align: center;
    background: #1677ff;
    color: white;
    padding: 0.6rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-top: 1rem;
    transition: background 0.2s;
}

.sidebar-cta:hover {
    background: #0958d9;
    color: white;
}

.article-list-main {
    min-width: 0;
}

.article-list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.toolbar-info {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.sort-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
}

.article-list-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.article-list-card {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    color: inherit;
}

.article-list-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}

.article-list-img {
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, #1677ff, #69b1ff);
    display: flex;
    align-items: center;
    justify-content: center;
}
.article-list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* 无图片时显示默认图标 */
.article-list-img:not(:has(img))::before,
.article-list-img:empty::before {
    content: '📄';
    font-size: 3rem;
}

.article-list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.article-list-content {
    padding: 1.25rem 1.25rem 1.25rem 0;
    display: flex;
    flex-direction: column;
}

.article-list-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.article-list-meta .article-tag {
    background: #1677ff;
    color: white;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.article-list-meta .article-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.article-list-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.article-list-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.article-list-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
}

.article-views {
    font-size: 0.8rem;
    color: var(--text-light);
}

.article-more {
    font-size: 0.85rem;
    color: #1677ff;
    font-weight: 500;
}
/*
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}
*/
/* 分页样式 - 更新版本 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
    list-style: none;
    padding: 0;
}

.pagination li {
    list-style: none;
}

.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg-card);
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
}

.pagination a:hover {
    border-color: #1677ff;
    color: #1677ff;
    background: rgba(22, 119, 255, 0.05);
}

.pagination li.active a {
    background: #1677ff;
    border-color: #1677ff;
    color: white;
    font-weight: 600;
}

.pagination li.active a:hover {
    background: #0c5cdb;
    border-color: #0c5cdb;
}

/* 上一页/下一页按钮 */
.pagination a:first-child,
.pagination a:last-child {
    min-width: auto;
    padding: 0 1rem;
}

/* 禁用状态 */
.pagination li:first-child a,
.pagination li:last-child a {
    color: var(--text-muted);
}

.pagination li:first-child a:hover,
.pagination li:last-child a:hover {
    border-color: var(--border);
    background: var(--bg-card);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* 暗色主题 */
[data-theme="dark"] .pagination a {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text);
}

[data-theme="dark"] .pagination a:hover {
    border-color: #1677ff;
    background: rgba(22, 119, 255, 0.1);
}

[data-theme="dark"] .pagination li.active a {
    background: #1677ff;
    border-color: #1677ff;
    color: white;
}

/* 响应式 */
@media (max-width: 768px) {
    .pagination {
        gap: 0.25rem;
    }
    
    .pagination a {
        min-width: 32px;
        height: 32px;
        font-size: 0.85rem;
        padding: 0 0.5rem;
    }
    
    .pagination a:first-child,
    .pagination a:last-child {
        padding: 0 0.75rem;
    }
}

.page-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text);
    transition: all 0.2s;
}

.page-btn:hover, .page-btn.active {
    background: #1677ff;
    border-color: #1677ff;
    color: white;
}

@media (max-width: 1024px) {
    .article-list-layout {
        grid-template-columns: 220px 1fr;
    }
}

@media (max-width: 768px) {
    .article-list-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        position: static;
    }
    
    .article-list-card {
        grid-template-columns: 1fr;
    }
    
    .article-list-img {
        height: 160px;
    }
    
    .article-list-content {
        padding: 1rem;
    }
}

/* 产品详情页三列布局 */
.product-layout {
    display: grid;
    grid-template-columns: 220px 1fr 280px;
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 200px);
}

/* 左侧分类导航 */
.product-sidebar {
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    position: sticky;
    top: 70px;
    height: fit-content;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.sidebar-menu {
    padding: 1.5rem 0;
}

.sidebar-menu h3 {
    padding: 0 1.25rem 1rem;
    font-size: 1rem;
    color: #1677ff;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.5rem;
}

.menu-list {
    list-style: none;
}

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

.menu-title {
    display: block;
    padding: 0.85rem 1.25rem;
    font-size: 0.95rem;
    color: var(--text);
    transition: all 0.2s;
}

.menu-title:hover, .menu-title.active {
    background: var(--accent-glow);
    color: #1677ff;
}

.menu-sub {
    list-style: none;
    background: var(--bg-alt);
    display: none;
}

.menu-item.active .menu-sub {
    display: block;
}

.menu-sub li a {
    display: block;
    padding: 0.6rem 1.25rem 0.6rem 2.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: all 0.2s;
}

.menu-sub li a:hover {
    color: #1677ff;
    background: var(--accent-glow);
}

/* 中间主要内容 */
.product-main {
    padding: 0;
    background: #ffffff;
}

.product-hero {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.product-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-hero-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: white;
}

.product-hero-text h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.product-hero-text p {
    font-size: 1rem;
    opacity: 0.9;
}

.product-section {
    padding: 2rem;
    border-bottom: 1px solid var(--border);
}

.product-section:last-child {
    border-bottom: none;
}

.product-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #1677ff;
    display: inline-block;
}

.product-section p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.product-section .feature-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.product-section .feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
}

.product-section .feature-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.product-section .feature-item p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

.application-list {
    list-style: none;
}

.application-list li {
    padding: 0.6rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.case-examples {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.case-example {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    text-align: center;
}

.case-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.case-example h4 {
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.case-example p {
    font-size: 0.8rem;
    margin-bottom: 0;
}

.product-cta {
    padding: 2rem;
    text-align: center;
    background: var(--bg-alt);
}

.product-cta h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-cta p {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

/* 流程 */
.process-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
}
.process-grid::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--border);
}
.process-step { text-align: center; position: relative; }
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    position: relative;
}
.process-num {
    width: 72px;
    height: 72px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 1rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(22,119,255,0.3);
}
.process-title { font-size: 1rem; margin-bottom: 0.25rem; }
.process-desc { color: var(--text-muted); font-size: 0.85rem; }

/* 响应式 */
@media (max-width: 768px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}


/* 右侧aside */
.product-aside {
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    position: sticky;
    top: 70px;
    height: fit-content;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.aside-block {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.aside-block:last-child {
    border-bottom: none;
}

.aside-block h3 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.download-list {
    list-style: none;
}

.download-list li {
    margin-bottom: 0.6rem;
}

.download-list a {
    font-size: 0.85rem;
    color: #1677ff;
    transition: color 0.2s;
}

.download-list a:hover {
    color: #0958d9;
}

.aside-contact {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.aside-cta {
    display: block;
    text-align: center;
    background: #1677ff;
    color: white;
    padding: 0.6rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-top: 1rem;
    transition: background 0.2s;
}

.aside-cta:hover {
    background: #0958d9;
    color: white;
}

/* 移动端产品详情 */
@media (max-width: 1200px) {
    .product-layout {
        grid-template-columns: 200px 1fr 250px;
    }
}

@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
    }
    
    .product-sidebar, .product-aside {
        position: static;
        max-height: none;
    }
    
    .product-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    
    .product-aside {
        border-left: none;
        border-top: 1px solid var(--border);
    }
    
    .product-hero {
        height: 200px;
    }
    
    .case-examples {
        grid-template-columns: 1fr;
    }
    
    .product-section .feature-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* ==================== VitePress风格文档页 ==================== */
.doc-layout {
    display: grid;
    grid-template-columns: 260px 1fr 220px;
    min-height: calc(100vh - 70px);
    margin-top: 70px;
}

/* 左侧菜单 */
.doc-sidebar {
    border-right: 1px solid var(--border);
    background: var(--bg-alt);
    padding: 1.5rem 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.doc-menu {
    padding: 0 1rem;
}

.menu-group {
    margin-bottom: 1.5rem;
}

.menu-group-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 0.75rem;
}

.doc-sidebar .menu-list {
    list-style: none;
}

.doc-sidebar .menu-list li {
    margin-bottom: 0.25rem;
}

.doc-sidebar .menu-list a {
    display: block;
    padding: 0.4rem 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-radius: 6px;
    transition: all 0.2s;
}

.doc-sidebar .menu-list a:hover {
    color: var(--text);
    background: #ffffff;
}

.doc-sidebar .menu-list a.active {
    color: #1677ff;
    background: #ffffff;
    border-left: 3px solid #1677ff;
}

/* 中间内容 */
.doc-content {
    padding: 2.5rem 3rem;
    background: var(--bg);
    min-width: 0;
}

.doc-page {
    max-width: 780px;
    margin: 0 auto;
}

.doc-page h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.doc-page h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.doc-page h3 {
    font-size: 1.15rem;
    margin: 1.5rem 0 0.75rem;
}

.doc-page h4 {
    font-size: 1rem;
    margin: 1rem 0 0.5rem;
}

.doc-page p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.doc-page ul, .doc-page ol {
    color: var(--text-muted);
    margin: 1rem 0 1.5rem 1.5rem;
    line-height: 1.8;
}

.doc-page li {
    margin-bottom: 0.5rem;
}

.doc-page li strong {
    color: var(--text);
}

.doc-page code {
    background: var(--bg-alt);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: #e83e8c;
}

.doc-page pre {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: 1rem 0 1.5rem;
}

.doc-page pre code {
    background: none;
    padding: 0;
    color: var(--text);
    font-size: 0.9rem;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1rem 0 1.5rem;
}

.doc-feature-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.doc-feature-card h3 {
    font-size: 1rem;
    margin: 0 0 0.5rem;
}

.doc-feature-card p {
    font-size: 0.9rem;
    margin: 0;
}

.tip-box {
    background: var(--accent-glow);
    border-left: 4px solid #1677ff;
    padding: 1rem 1.25rem;
    border-radius: 0 8px 8px 0;
    margin: 1rem 0 1.5rem;
    font-size: 0.9rem;
}




.doc-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.doc-footer-nav {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.doc-footer-nav a {
    padding: 0.6rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text);
    transition: all 0.2s;
}

.doc-footer-nav a:hover {
    border-color: #1677ff;
    color: #1677ff;
}

.doc-edit-time {
    font-size: 0.8rem;
    color: var(--text-light);
    text-align: center;
}

/* 右侧目录 */
.doc-toc {
    border-left: 1px solid var(--border);
    background: var(--bg-alt);
    padding: 1.5rem 1rem;
    position: sticky;
    top: 70px;
    height: fit-content;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}

.toc-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.toc-list {
    list-style: none;
    margin-bottom: 2rem;
}

.toc-list li {
    margin-bottom: 0.4rem;
}

.toc-list a {
    display: block;
    padding: 0.3rem 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-left: 2px solid transparent;
    transition: all 0.2s;
}

.toc-list a:hover {
    color: var(--text);
    border-left-color: var(--border);
}

.toc-contact {
    background: var(--bg-alt);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.toc-contact h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.toc-contact p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.toc-btn {
    display: block;
    background: #1677ff;
    color: white;
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: background 0.2s;
}

.toc-btn:hover {
    background: #0958d9;
    color: white;
}

/* 移动端文档页 */
@media (max-width: 1200px) {
    .doc-layout {
        grid-template-columns: 220px 1fr 200px;
    }
    
    .doc-content {
        padding: 1.5rem 2rem;
    }
}

@media (max-width: 1024px) {
    .doc-layout {
        grid-template-columns: 200px 1fr;
    }
    
    .doc-toc {
        display: none;
    }
}

@media (max-width: 768px) {
    .doc-layout {
        grid-template-columns: 1fr;
    }
    
    .doc-sidebar {
        display: none;
    }
    
    .doc-content {
        padding: 1.5rem;
    }
    
    .doc-page h1 {
        font-size: 1.5rem;
    }
    
    .doc-page h2 {
        font-size: 1.25rem;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
    }
}

/* 流程 */
.process-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
}
.process-grid::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--border);
}
.process-step { text-align: center; position: relative; }
.process-num {
    width: 72px;
    height: 72px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 1rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(22,119,255,0.3);
}
.process-title { font-size: 1rem; margin-bottom: 0.25rem; }
.process-desc { color: var(--text-muted); font-size: 0.85rem; }

/* CTA */
.cta-section {
    padding: 5rem 5%;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(22,119,255,0.15) 0%, transparent 60%);
}
.cta-content { position: relative; z-index: 1; max-width: 550px; margin: 0 auto; }
.cta-title { font-size: clamp(1.5rem, 3vw, 2rem); color: white; margin-bottom: 0.75rem; }
.cta-desc { color: rgba(255,255,255,0.7); margin-bottom: 1.5rem; }
.cta-btns { display: flex; justify-content: center; gap: 0.75rem; }
.cta-section .btn-primary { background: var(--gradient); }
.cta-section .btn-secondary { background: rgba(255,255,255,0.1); color: white; border-color: rgba(255,255,255,0.2); }

/* 页脚 */
.footer {
    background: var(--bg-alt);
    padding: 3.5rem 5% 1.5rem;
    border-top: 1px solid var(--border);
}
.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
}
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.75rem; line-height: 1.6; }
.footer-title { font-size: 0.85rem; font-weight: 600; color: #1677ff; margin-bottom: 1rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--text-muted); font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: #1677ff; }
.footer-bottom {
    max-width: 1100px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-bottom p { color: var(--text-light); font-size: 0.8rem; }

/* 页面头部 */
.page-header {
    padding: 8rem 5% 3rem;
    background: var(--bg);
    text-align: center;
    position: relative;
}
.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(22,119,255,0.08) 0%, transparent 60%);
}
.page-header h1 {
    position: relative;
    z-index: 1;
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    margin-bottom: 0.5rem;
}
.page-header p {
    position: relative;
    z-index: 1;
    color: var(--text-muted);
}

/* 关于 */

/* About Content */
.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.about-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s;
}
.about-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.about-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #1677ff;
    border-bottom: 2px solid #1677ff;
    padding-bottom: 0.75rem;
}
.about-section ul {
    list-style: none;
}
.about-section li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    line-height: 1.6;
}
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


@media (max-width: 768px) {
    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.service-card ul {
    list-style: none;
}
.service-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

/* About Vision */
.about-vision {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.vision-card ul {
    list-style: none;
}
.vision-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .about-services,
    .about-vision {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-services,
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 5%;
    }
}

.about-hero {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2rem 5%;
}

/* About Content */
.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.about-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s;
}
.about-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.about-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #1677ff;
    border-bottom: 2px solid #1677ff;
    padding-bottom: 0.75rem;
}
.about-section ul {
    list-style: none;
}
.about-section li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    line-height: 1.6;
}
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


@media (max-width: 768px) {
    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.service-card ul {
    list-style: none;
}
.service-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

/* About Vision */
.about-vision {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.vision-card ul {
    list-style: none;
}
.vision-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .about-services,
    .about-vision {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-services,
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 5%;
    }
}

.about-hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text);
    font-weight: 700;
}
.about-intro {
    font-size: 1.15rem;
    color: #1677ff;
    font-weight: 600;
    margin-bottom: 1.75rem;
}
.about-desc {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.85;
    font-size: 0.95rem;
}
.about-mission {
    color: var(--text);
    margin-bottom: 0;
    line-height: 1.85;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 1rem;
    background: var(--accent-glow);
    border-left: 4px solid #1677ff;
    border-radius: 8px;
}

/* About Content */
.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.about-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s;
}
.about-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.about-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #1677ff;
    border-bottom: 2px solid #1677ff;
    padding-bottom: 0.75rem;
}
.about-section ul {
    list-style: none;
}
.about-section li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    line-height: 1.6;
}
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


@media (max-width: 768px) {
    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.service-card ul {
    list-style: none;
}
.service-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

/* About Vision */
.about-vision {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.vision-card ul {
    list-style: none;
}
.vision-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .about-services,
    .about-vision {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-services,
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 5%;
    }
}

.about-hero-img {
    display: flex;
    justify-content: center;
}

@media (max-width: 768px) {
    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.service-card ul {
    list-style: none;
}
.service-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

/* About Vision */
.about-vision {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.vision-card ul {
    list-style: none;
}
.vision-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .about-services,
    .about-vision {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-services,
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 5%;
    }
}

.about-hero-img img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}
.about-certs {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
    padding: 0 5%;
}
.cert-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    border-left: 4px solid #1677ff;
    transition: all 0.3s;
}
.cert-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.cert-icon {
    color: #1677ff;
    font-weight: 700;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.cert-item span:last-child {
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
}

/* 联系 */
.contact-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}
.contact-info {
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 16px;
    border: 1px solid var(--border);
}
.contact-info h2 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.contact-info > p { color: var(--text-muted); margin-bottom: 1.5rem; }
.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-icon h4 { font-size: 0.9rem; margin-bottom: 0.15rem; }
.contact-icon p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
}
.contact-form h2 { font-size: 1.5rem; margin-bottom: 1.25rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 0.35rem; }
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    background: #ffffff;
    color: var(--text);
    transition: border-color 0.2s;
    font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1677ff;
}
.form-group textarea { min-height: 100px; resize: vertical; }

/* 交替式内容模块 - 卡片样式 */
.section-feature-cards {
    background: var(--bg-alt);
    padding: 5rem 0;
}

[data-theme="dark"] .section-feature-cards {
    background: #141414;
}

.feature-module {
    max-width: 1100px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.feature-module:last-child {
    margin-bottom: 0;
}

.feature-module-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.feature-module-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1rem;
}

.feature-module-list {
    list-style: none;
}

.feature-module-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
    color: var(--text);
    font-size: 0.95rem;
}

.feature-module-list li::before {
    content: '✓';
    color: #1677ff;
    font-weight: 700;
    font-size: 1.1rem;
}

.feature-module-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
}

.feature-module-img {
    font-size: 8rem;
    opacity: 0.8;
    animation: float 4s ease-in-out infinite;
}

/* 响应式 */
@media (max-width: 1024px) {
    .feature-module {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-module-visual {
        height: 200px;
    }
    
    .feature-module-img {
        font-size: 5rem;
    }
}



/* 动画 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ==================== 移动端响应式设计 ==================== */
@media (max-width: 768px) {
    /* 移动端导航 */
     .nav {
        padding: 0.875rem 5%;
        background: #ffffff;  /* 纯白，不透明 */
        backdrop-filter: none;  /* 去掉模糊 */
    }
    
    .nav.scrolled {
        padding: 0.75rem 5%;
    }
    
    .nav-links {
        position: fixed;
        top: 0;  /* 从导航栏下方开始 */
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255,255,255,1);   /* 纯白色背景，不透明 */
        flex-direction: column;
        justify-content: center;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 999;
        margin-left: 0;
        pointer-events: none;
    }
    
    .nav-links.active {
        transform: translateX(0);
        pointer-events: auto;
    }
    
    [data-theme="dark"] .nav-links {
        background: rgba(12,12,12,0.98);
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 1rem 0;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        padding: 0 0 0 1rem;
        min-width: auto;
        grid-template-columns: 1fr;
        display: none;
    }
    
    .dropdown-menu.active {
        display: grid;
    }
    
    .dropdown-arrow {
        display: inline-block;
        font-size: 0.75rem;
        transition: transform 0.3s;
    }
    
    .has-dropdown:hover .dropdown-arrow {
        transform: rotate(180deg);
    }
    
    .nav-actions {
        display: none;
    }
    
    /* 移动端菜单按钮 */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 36px;
        height: 36px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
    }
    
    .menu-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--text);
        margin: 2.5px 0;
        transition: all 0.3s ease;
        border-radius: 2px;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    /* Hero 移动端 */
    .hero {
        padding: 7rem 5% 3rem;
        min-height: auto;
    }
    
    .hero::before {
        background: radial-gradient(ellipse at 50% 30%, rgba(22,119,255,0.1) 0%, transparent 60%);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }
    
    .hero h1 {
        font-size: 1.875rem;
        line-height: 1.25;
    }
    
    .hero-desc {
        font-size: 0.95rem;
        max-width: 100%;
        margin-bottom: 1.5rem;
    }
    
    .hero-btns {
        justify-content: center;
        margin-bottom: 2rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.65rem 1.25rem;
        font-size: 0.85rem;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 1.5rem;
    }
    
    .hero-stats .stat-num {
        font-size: 1.35rem;
    }
    
    .hero-stats .stat-label {
        font-size: 0.75rem;
    }
    
    /* Hero 视觉元素隐藏 */
    .hero-visual {
        display: none;
    }
    
    /* 区块移动端 */
    .section {
        padding: 3rem 5%;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-desc {
        font-size: 0.9rem;
    }
    
    /* 功能卡片 */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .feature-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
    
    .feature-title {
        font-size: 1rem;
    }
    
    .feature-desc {
        font-size: 0.85rem;
    }
    
    /* 解决方案 */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .solution-card {
        padding: 1.5rem;
    }
    
    .solution-icon {
        font-size: 2rem;
    }
    
    .solution-title {
        font-size: 1.1rem;
    }
    
    /* 数据统计 */
    
/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}
.service-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.service-item h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text);
}
.service-item ul {
    list-style: none;
    text-align: left;
}
.service-item li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}
.service-item li:last-child {
    border-bottom: none;
}
@media (max-width: 768px) {
    .about-services {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stats-item {
        padding: 1rem;
    }
    
    .stats-num {
        font-size: 1.5rem;
    }
    
    .stats-label {
        font-size: 0.8rem;
    }
    
    /* 案例 */
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .case-img {
        height: 120px;
        font-size: 2.5rem;
    }
    
    /* 流程 */
    .process-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .process-grid::before {
        display: none;
    }
    
    .process-num {
        width: 56px;
        height: 56px;
        font-size: 1.25rem;
    }
    
    /* CTA */
    .cta-section {
        padding: 3rem 5%;
    }
    
    .cta-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-section .btn-primary,
    .cta-section .btn-secondary {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
    
    /* 页脚 */
    .footer {
        padding: 2.5rem 5% 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-brand {
        order: -1;
    }
    
    .footer-title {
        margin-bottom: 0.75rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    /* 交替式内容模块 */
    .section-feature-cards {
        padding: 3rem 0;
    }
    
    .feature-module {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem;
        margin: 0 5% 1.5rem;
        border-radius: 16px;
    }
    
    .feature-module:nth-child(even) .feature-module-text {
        order: -1;
    }
    
    .feature-module-text h3 {
        font-size: 1.25rem;
    }
    
    .feature-module-text p {
        font-size: 0.9rem;
    }
    
    .feature-module-visual {
        min-height: auto;
        padding: 0.5rem 0;
    }
    
    /* 解决方案 - 移动端 */
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-card {
        padding: 1.5rem;
    }
    
    .solution-icon {
        font-size: 2rem;
    }
    
    .solution-title {
        font-size: 1.1rem;
    }
    
    /* 关于页面 */
    
/* About Content */
.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.about-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s;
}
.about-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.about-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #1677ff;
    border-bottom: 2px solid #1677ff;
    padding-bottom: 0.75rem;
}
.about-section ul {
    list-style: none;
}
.about-section li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    line-height: 1.6;
}
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


@media (max-width: 768px) {
    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.service-card ul {
    list-style: none;
}
.service-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

/* About Vision */
.about-vision {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.vision-card ul {
    list-style: none;
}
.vision-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .about-services,
    .about-vision {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-services,
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 5%;
    }
}

.about-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 5%;
    }
    
    
/* About Content */
.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.about-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s;
}
.about-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.about-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #1677ff;
    border-bottom: 2px solid #1677ff;
    padding-bottom: 0.75rem;
}
.about-section ul {
    list-style: none;
}
.about-section li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.5rem 0;
    line-height: 1.6;
}
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


@media (max-width: 768px) {
    .about-details {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}


/* About Services */
.about-services {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.service-card ul {
    list-style: none;
}
.service-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

/* About Vision */
.about-vision {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0 5%;
}
.vision-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}
.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}
.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1677ff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #1677ff;
}
.vision-card ul {
    list-style: none;
}
.vision-card li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 0.6rem 0;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .about-services,
    .about-vision {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .about-services,
    .about-vision {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 5%;
    }
}

.about-hero-content h2 {
        font-size: 1.6rem;
    }
    
    .about-intro {
        font-size: 1rem;
    }
    
    .about-img-box {
        height: 280px;
        font-size: 4rem;
    }
    
    .about-certs {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 5%;
    }
    
    .cert-item {
        padding: 1rem;
    }
    
    /* 联系页面 */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-info,
    .contact-form {
        padding: 1.5rem;
    }
    
    /* 页面头部 */
    .page-header {
        padding: 6rem 5% 2rem;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    /* 主题切换按钮移动 */
    .theme-toggle {
        bottom: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* 图片轮播 */
.feature-slider {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.feature-slider .slider-images {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.feature-slider .slider-img {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

.feature-slider .slider-prev,
.feature-slider .slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    color: #1677ff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.feature-slider .slider-prev:hover,
.feature-slider .slider-next:hover {
    background: #1677ff;
    color: white;
}

.feature-slider .slider-prev {
    left: -18px;
}

.feature-slider .slider-next {
    right: -18px;
}

.feature-slider .slider-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.feature-slider .slider-dots .dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-slider .slider-dots .dot.active {
    background: #1677ff;
    width: 24px;
    border-radius: 4px;
}

/* 移动端轮播 */
@media (max-width: 768px) {
    .feature-slider {
        max-width: 100%;
    }
    
    .feature-slider .slider-img {
        max-height: 240px;
    }
    
    .feature-slider .slider-prev,
    .feature-slider .slider-next {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .feature-slider .slider-prev {
        left: 8px;
    }
    
    .feature-slider .slider-next {
        right: 8px;
    }
}

/* 价格页面 */
.pricing-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-popular {
    border-color: #1677ff;
    box-shadow: 0 0 0 2px rgba(22,119,255,0.1);
}

.pricing-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #1677ff;
    color: white;
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.pricing-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1677ff;
    margin-bottom: 0.5rem;
}

.pricing-price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    padding: 0.6rem 0;
    font-size: 0.9rem;
    color: var(--text);
}

.pricing-btn {
    display: block;
    width: 100%;
    padding: 0.875rem;
    text-align: center;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.pricing-btn:hover {
    border-color: #1677ff;
    color: #1677ff;
}

.pricing-btn-primary {
    background: #1677ff;
    border-color: #1677ff;
    color: white;
}

.pricing-btn-primary:hover {
    background: #0958d9;
    color: white;
}

.pricing-table {
    max-width: 800px;
    margin: 0 auto;
    overflow-x: auto;
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.pricing-table th {
    font-weight: 600;
    color: var(--text);
    background: var(--bg-alt);
}

.pricing-table td {
    color: var(--text-muted);
}

.faq-contact {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.faq-contact h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.faq-contact p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* 移动端价格 */
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        padding: 1.5rem;
    }
    
    .pricing-price {
        font-size: 2rem;
    }
    
    .pricing-table {
        font-size: 0.85rem;
    }
    
    .pricing-table th,
    .pricing-table td {
        padding: 0.75rem;
    }
}

/* 功能详情页 */
.feature-detail {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.feature-intro h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.feature-intro p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
}

.feature-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.highlight-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.highlight-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.feature-section {
    margin-bottom: 3rem;
}

.feature-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #1677ff;
    display: inline-block;
}

.feature-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.feature-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-app {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.feature-app:hover {
    border-color: rgba(22,119,255,0.3);
}

.app-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.feature-app h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.feature-app p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* 移动端功能详情 */
@media (max-width: 768px) {
    .feature-highlights {
        grid-template-columns: 1fr;
    }
    
    .feature-grid-2,
    .feature-grid-3 {
        grid-template-columns: 1fr;
    }
    
    .feature-intro h2 {
        font-size: 1.5rem;
    }
}

/* 标签方案页 */
.tag-materials {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.material-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.material-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}

.material-img {
    margin-bottom: 0.75rem;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-alt);
    font-size: 3rem;
    text-align: center;
    padding: 1rem 0;
}

.material-img img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

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

.material-features {
    list-style: none;
    margin: 1rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.material-features li {
    padding: 0.35rem 0;
    font-size: 0.85rem;
    color: var(--text);
}

.material-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1677ff;
}

/* 标签轮播区域 */
.tag-slider-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding: 0 3rem;
}

.tag-slider-wrapper {
    overflow: hidden;
}

.tag-slider {
    display: flex;
    transition: transform 0.5s ease;
}

.tag-slide {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    min-width: 100%;
    flex-shrink: 0;
}

.material-card-sm {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s;
}

.material-card-sm:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(22,119,255,0.3);
}

.material-img-sm {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.material-img-sm img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.material-card-sm h3 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.material-link-sm {
    font-size: 0.8rem;
    color: #1677ff;
}

.material-soon-sm {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
}

/* 轮播按钮 */
.tag-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tag-slider-btn:hover {
    background: #1677ff;
    color: white;
    border-color: #1677ff;
}

.tag-slider-prev {
    left: 0;
}

.tag-slider-next {
    right: 0;
}

/* 轮播指示点 */
.tag-slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.tag-dot {
    width: 10px;
    height: 10px;
    background: var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.tag-dot.active {
    background: #1677ff;
    width: 24px;
    border-radius: 5px;
}

/* 移动端标签轮播 */
@media (max-width: 768px) {
    .tag-slide {
        grid-template-columns: 1fr;
    }
    
    .tag-slider-container {
        padding: 0 2.5rem;
    }
    
    .tag-slider-btn {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }
}

.material-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.material-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

.material-link {
    display: inline-block;
    color: #1677ff;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.material-link:hover {
    color: #0958d9;
}

.material-soon {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-style: italic;
}

.tag-process {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.process-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.process-item:hover {
    border-color: rgba(22,119,255,0.3);
}

.process-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.process-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.process-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tag-sizes {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.size-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.size-card:hover {
    border-color: rgba(22,119,255,0.3);
}

.size-visual {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.size-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.size-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.size-tag {
    display: inline-block;
    background: var(--accent-glow);
    color: #1677ff;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.order-process {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.order-step {
    text-align: center;
}

.order-num {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.order-step h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.order-step p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* 移动端标签方案 */
@media (max-width: 768px) {
    .tag-materials,
    .tag-process,
    .tag-sizes {
        grid-template-columns: 1fr;
    }
    
    .order-process {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== FAQ列表页 ==================== */





















@media (max-width: 768px) {
    
}

@media (max-width: 768px) {
    
}

.sidebar-contact p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.sidebar-cta {
    display: block;
    text-align: center;
    background: #1677ff;
    color: white;
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-top: 0.75rem;
}
.sidebar-cta:hover {
    background: #0958d9;
    color: white;
}
@media (max-width: 768px) {
}

/* FAQ页面 */
.faq-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}
.faq-sidebar {
    position: sticky;
    top: 80px;
    height: fit-content;
}
.faq-sidebar-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}
.faq-sidebar-block h3 {
    font-size: 15px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.faq-cat-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.faq-cat-list li {
    margin-bottom: 8px;
}
.faq-cat-list a {
    display: block;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-muted);
}
.faq-cat-list a:hover,
.faq-cat-list a.active {
    background: var(--accent-glow);
    color: #1677ff;
}
.faq-contact p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.faq-contact-btn {
    display: block;
    background: #1677ff;
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 6px;
    font-size: 14px;
    margin-top: 12px;
}
.faq-main {
    min-width: 0;
}
.faq-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
}
.faq-group:last-child {
    margin-bottom: 0;
}
.faq-group-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 17px;
    padding-bottom: 16px;
    margin-bottom: 0;
    border-bottom: 2px solid #1677ff;
}
.faq-group-title a {
    font-size: 13px;
    color: #1677ff;
}
.faq-item {
    border-bottom: 1px solid var(--border);
}
.faq-item:last-child {
    border-bottom: none;
}
.faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    gap: 16px;
}
.faq-q::after {
    content: "+";
    font-size: 20px;
    color: #1677ff;
    flex-shrink: 0;
}
.faq-item.faq-open .faq-q::after {
    content: "-";
}
.faq-a {
    display: none;
    padding: 0 8px 16px;
}
.faq-item.faq-open .faq-a {
    display: block;
}
.faq-a-inner {
    background: var(--bg-alt);
    padding: 16px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}
@media (max-width: 768px) {
    .faq-layout {
        grid-template-columns: 1fr;
    }
    .faq-sidebar {
        position: static;
    }
}

/* FAQ列表页 */
.faq-list-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 5%;
}
.faq-list-page .faq-group-title {
    border-bottom: 2px solid #1677ff;
}

/* FAQ简单列表页 */
.faq-simple-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 5%;
}
.faq-all-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-all-list .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0;
}
.faq-all-list .faq-q {
    padding: 16px 20px;
}
.faq-all-list .faq-a {
    padding: 0 20px 16px;
}
.faq-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
}
.faq-page {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 14px;
}
.faq-page:hover,
.faq-page.active {
    background: #1677ff;
    border-color: #1677ff;
    color: white;
}

/* 首页客户案例和运营文章暗色背景 */
[data-theme="dark"] .cases-slider-container .case-card,
[data-theme="dark"] .article-card {
    background: #1e1e1e;
    border-color: #333;
}
[data-theme="dark"] .cases-slider-container .case-img {
    background: linear-gradient(135deg, #1a1a1a, #252525);
}
[data-theme="dark"] .cases-slider-container .case-desc,
[data-theme="dark"] .article-desc {
    color: #999;
}

/* 首页客户案例和运营文章背景 */
.section-alt.cases-section,
.section-alt.articles-section {
    background: #fafafa;
}
[data-theme="dark"] .section-alt.cases-section,
[data-theme="dark"] .section-alt.articles-section {
    background: #141414;
}

/* Feature Link */
.feature-link {
    display: inline-block;
    margin-top: 2rem;
    color: #1677ff;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s;
}
.feature-link:hover {
    color: #0958d9;
    transform: translateX(4px);
}
/* 标签云 */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 12px;
    min-height: 300px;
}

.tag-item {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tag-item:hover {
    background: #1677ff;
    border-color: #1677ff;
    color: white;
    transform: scale(1.1);
}

.tag-size-1 { font-size: 0.85rem; }
.tag-size-2 { font-size: 1rem; }
.tag-size-3 { font-size: 1.2rem; font-weight: 500; }
.tag-size-4 { font-size: 1.4rem; font-weight: 600; }

/* 分页容器 */
.tags-pagination {
    text-align: center;
    margin-bottom: 2rem;
}

/* 响应式 */
@media (max-width: 768px) {
    .tags-cloud {
        gap: 0.75rem;
        padding: 1.5rem;
        min-height: 250px;
    }

    .tag-size-1 { font-size: 0.75rem; }
    .tag-size-2 { font-size: 0.9rem; }
    .tag-size-3 { font-size: 1rem; }
    .tag-size-4 { font-size: 1.2rem; }
}
/* 文章列表容器 */
.tag-articles-list {
    margin-bottom: 3rem;
}

/* 文章项 */
.article-item {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.article-item:hover {
    border-color: #1677ff;
    box-shadow: 0 4px 12px rgba(22, 119, 255, 0.1);
    transform: translateY(-2px);
}

/* 文章头部 */
.article-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.article-item h3 {
    margin: 0;
    font-size: 1.1rem;
    flex: 1;
}

.article-item h3 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-item h3 a:hover {
    color: #1677ff;
}

/* 文章日期 */
.article-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* 文章描述 */
.article-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* 文章元数据 */
.article-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* 文章标签 */
.article-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: #1677ff;
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 阅读数 */
.article-views {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 分页容器 */
.tags-pagination {
    text-align: center;
    margin-bottom: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .article-item {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .article-item-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .article-item h3 {
        font-size: 1rem;
    }

    .article-date {
        font-size: 0.8rem;
    }

    .article-desc {
        font-size: 0.9rem;
    }

    .article-meta {
        gap: 0.75rem;
    }
}
.blockchain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 40px 0 20px;
}

.blockchain-card {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.blockchain-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.15);
}

.blockchain-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.blockchain-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.blockchain-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
}

.compare-wrapper {
    background: var(--bg-alt);
    border-radius: 28px;
    padding: 36px 32px;
    margin: 48px 0;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-top: 24px;
}

.compare-card {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--border-light);
}

.compare-card h4 {
    font-size: 1.3rem;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.compare-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.compare-list li:last-child {
    border-bottom: none;
}

.compare-list .check {
    color: #10b981;
    font-weight: bold;
}

.compare-list .cross {
    color: #ef4444;
    font-weight: bold;
}

.timeline-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 40px 0 20px;
    position: relative;
}

.timeline-steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    z-index: 0;
    border-radius: 2px;
}

.timeline-step {
    flex: 1;
    min-width: 160px;
    text-align: center;
    position: relative;
    z-index: 1;
    background: var(--bg-primary);
    padding: 0 12px;
}

.timeline-step .step-marker {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: bold;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.timeline-step h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.timeline-step p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 48px;
    margin: 48px 0 20px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 130px;
}

.stat-number {
    font-size: 2.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 6px;
}

.chain-demo {
    background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(124,58,237,0.05));
    border-radius: 24px;
    padding: 32px 24px;
    margin: 40px 0 20px;
    border: 1px solid var(--border-light);
    text-align: center;
}

.hash-code {
    font-family: monospace;
    background: var(--bg-secondary);
    padding: 12px 20px;
    border-radius: 40px;
    font-size: 0.8rem;
    word-break: break-all;
    color: var(--primary);
    margin: 16px 0;
    display: inline-block;
    max-width: 100%;
}

.tech-badge {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    display: inline-block;
    margin: 0 6px;
}

@media (max-width: 1024px) {
    .blockchain-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .blockchain-grid {
        grid-template-columns: 1fr;
    }
    .compare-grid {
        grid-template-columns: 1fr;
    }
    .timeline-steps::before {
        display: none;
    }
    .timeline-steps {
        flex-direction: column;
        gap: 24px;
    }
    .timeline-step {
        min-width: auto;
    }
    .stats-row {
        gap: 24px;
    }
    .stat-number {
        font-size: 1.8rem;
    }
}
.trace-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin: 40px 0 20px;
}

.trace-card {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.trace-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.15);
}

.trace-icon {
    font-size: 52px;
    margin-bottom: 20px;
}

.trace-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.trace-card p {
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.92rem;
}

.feature-highlights-ext {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.highlight-card-ext {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all 0.3s;
}

.highlight-card-ext:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

.scenario-wrapper {
    background: var(--bg-alt);
    border-radius: 28px;
    padding: 36px 32px;
    margin: 48px 0;
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.scenario-item {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 24px 16px;
    text-align: center;
    border: 1px solid var(--border-light);
}

.scenario-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 40px 0 20px;
    position: relative;
}

.workflow-steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    z-index: 0;
    border-radius: 2px;
}

.workflow-step {
    flex: 1;
    min-width: 160px;
    text-align: center;
    position: relative;
    z-index: 1;
    background: var(--bg-primary);
    padding: 0 12px;
}

.workflow-step .step-num {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: bold;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 48px;
    margin: 48px 0 20px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 140px;
}

.stat-number {
    font-size: 2.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 6px;
}

.alert-demo {
    background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(124,58,237,0.05));
    border-radius: 24px;
    padding: 32px 24px;
    margin: 40px 0 20px;
    border: 1px solid var(--border-light);
    text-align: center;
}

.warning-tag {
    background: #fef3c7;
    color: #d97706;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.8rem;
    display: inline-block;
    margin: 0 6px;
}

[data-theme="dark"] .warning-tag {
    background: #422006;
    color: #fbbf24;
}

.success-tag {
    background: #d1fae5;
    color: #059669;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.8rem;
    display: inline-block;
    margin: 0 6px;
}

@media (max-width: 1024px) {
    .trace-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .feature-highlights-ext {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .trace-grid {
        grid-template-columns: 1fr;
    }
    .scenario-grid {
        grid-template-columns: 1fr;
    }
    .feature-highlights-ext {
        grid-template-columns: 1fr;
    }
    .workflow-steps::before {
        display: none;
    }
    .workflow-steps {
        flex-direction: column;
        gap: 24px;
    }
    .workflow-step {
        min-width: auto;
    }
    .stats-row {
        gap: 24px;
    }
}
.redpacket-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin: 40px 0 20px;
}

.redpacket-card {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.redpacket-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.15);
}

.redpacket-icon {
    font-size: 52px;
    margin-bottom: 20px;
}

.redpacket-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.redpacket-card p {
    color: var(--text-secondary);
    line-height: 1.55;
    font-size: 0.92rem;
}

.feature-highlights-ext {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.highlight-card-ext {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: all 0.3s;
}

.highlight-card-ext:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

.workflow-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 40px 0 20px;
    position: relative;
}

.workflow-steps::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, #ef4444, #f59e0b);
    z-index: 0;
    border-radius: 2px;
}

.workflow-step {
    flex: 1;
    min-width: 160px;
    text-align: center;
    position: relative;
    z-index: 1;
    background: var(--bg-primary);
    padding: 0 12px;
}

.workflow-step .step-num {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: bold;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 48px;
    margin: 48px 0 20px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 140px;
}

.stat-number {
    font-size: 2.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 6px;
}

.demo-card {
    background: linear-gradient(135deg, rgba(239,68,68,0.05), rgba(245,158,11,0.05));
    border-radius: 24px;
    padding: 32px 24px;
    margin: 40px 0 20px;
    border: 1px solid var(--border-light);
    text-align: center;
}

.redpacket-demo {
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    border-radius: 20px;
    padding: 32px;
    max-width: 380px;
    margin: 0 auto;
    color: white;
}

.redpacket-amount {
    font-size: 48px;
    font-weight: 800;
    margin: 16px 0;
}

.btn-demo {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.5);
    padding: 10px 24px;
    border-radius: 40px;
    color: white;
    display: inline-block;
    font-size: 0.9rem;
}

.badge-red {
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    color: white;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.8rem;
    display: inline-block;
    margin: 0 6px;
}

.badge-orange {
    background: #fef3c7;
    color: #d97706;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.8rem;
    display: inline-block;
    margin: 0 6px;
}

[data-theme="dark"] .badge-orange {
    background: #422006;
    color: #fbbf24;
}

@media (max-width: 1024px) {
    .redpacket-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .feature-highlights-ext {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .redpacket-grid {
        grid-template-columns: 1fr;
    }
    .feature-highlights-ext {
        grid-template-columns: 1fr;
    }
    .workflow-steps::before {
        display: none;
    }
    .workflow-steps {
        flex-direction: column;
        gap: 24px;
    }
    .workflow-step {
        min-width: auto;
    }
    .stats-row {
        gap: 24px;
    }
}