:root {
    
    --bg-primary: #1a1a2e;
    --bg-secondary: #14233f;
    --bg-card: #1f2c37;
    --bg-elevated: #262e40;
    --bg-input: #131b2e;
    
    
    --accent-primary: #f97316;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;
    --accent-success: #0db77f;
    --accent-info: #03b6d3;
    
    
    --gradient-primary: linear-gradient(135deg, #f97316 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #8b5ff8 0%, #6366f1 100%);
    --gradient-dark: linear-gradient(180deg, #1a1a2e 0%, #0f0f23 100%);
    --gradient-card: linear-gradient(145deg, #232b3e 0%, #1a2234 100%);
    
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-light: #ffffff;
    
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);
    
    
    --shadow-raised: 8px 8px 20px rgba(0, 0, 0, 0.4), 
                     -4px -4px 12px rgba(255, 255, 255, 0.03);
    --shadow-raised-lg: 12px 12px 30px rgba(0, 0, 0, 0.5), 
                        -6px -6px 20px rgba(255, 255, 255, 0.03);
    --shadow-inset: inset 4px 4px 10px rgba(0, 0, 0, 0.4), 
                    inset -4px -4px 10px rgba(255, 255, 255, 0.02);
    --shadow-glow: 0 0 30px rgba(250, 116, 24, 0.3);
    --shadow-glow-purple: 0 0 30px rgba(139, 92, 246, 0.3);
    
    
    --container-width: 1197px;
    --header-height: 80px;
    --radius: 20px;
    --radius-sm: 12px;
    --radius-lg: 28px;
    --radius-xl: 36px;
    
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}


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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-tertiary);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
}

.b78f-container-i834 {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}


.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-purple {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


.b78f-header-ge94 {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(25, 26, 47, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 9999;
    transition: all var(--transition-normal);
}

.b78f-header-ge94.scrolled {
    background: rgba(21, 31, 59, 0.98);
    box-shadow: var(--shadow-raised);
}

.b78f-header-container-ia17 {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}


.b78f-logo-g6b4 {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.b78f-logo-g6b4 img {
    height: 42px;
    width: auto;
}

.logo-slogan {
    width: 140px;
    height: 45px;
    background-image: url("images/logo_tips.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    animation: logoGlow 2.5s infinite;
}

@keyframes logoGlow {
    0%, 100% { opacity: 0.8; filter: brightness(1); }
    50% { opacity: 1; filter: brightness(1.2) drop-shadow(0 0 8px rgba(249, 115, 22, 0.4)); }
}


.b78f-main-nav-fdf1 {
    flex: 1;
    display: flex;
    justify-content: center;
}

.b78f-nav-list-x7f1 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.b78f-nav-list-x7f1 li a {
    display: block;
    padding: 15px 24px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--radius);
    background: transparent;
    transition: all var(--transition-normal);
}

.b78f-nav-list-x7f1 li a:hover {
    color: var(--text-light);
    background: var(--bg-card);
    box-shadow: var(--shadow-raised);
}


.b78f-header-actions-e8dd {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.b78f-btn-contact-h7f2 {
    display: inline-flex;
    align-items: center;
    padding: 15px 28px;
    background: var(--gradient-primary);
    color: var(--text-light);
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
}

.b78f-btn-contact-h7f2:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-raised-lg), 0 0 40px rgba(247, 115, 23, 0.4);
    color: var(--text-light);
}


.b78f-menu-toggle-o810 {
    display: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    box-shadow: var(--shadow-raised);
}

.b78f-menu-toggle-o810 span {
    display: block;
    width: 22px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.b78f-menu-toggle-o810.b78f-active-q460 span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.b78f-menu-toggle-o810.b78f-active-q460 span:nth-child(2) {
    opacity: 0;
}

.b78f-menu-toggle-o810.b78f-active-q460 span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}


.b78f-btn-b3dc {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.b78f-btn-primary-ecd2 {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
}

.b78f-btn-primary-ecd2:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-raised-lg), 0 0 40px rgba(249, 115, 22, 0.5);
    color: var(--text-light);
}

.b78f-btn-primary-ecd2:active {
    transform: translateY(0);
    box-shadow: var(--shadow-inset);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-raised);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: var(--shadow-raised), 0 0 20px rgba(249, 115, 22, 0.2);
}

.b78f-btn-large-i8a6 {
    padding: 21px 40px;
    font-size: 18px;
}


.b78f-hero-dd19 {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 119px 0 80px;
    background: var(--gradient-dark);
    overflow: hidden;
}


.b78f-hero-dd19::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.b78f-hero-dd19::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    pointer-events: none;
}

.b78f-hero-dd19 .b78f-container-i834 {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.b78f-hero-content-uebd {
    max-width: 560px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 26px;
    box-shadow: var(--shadow-raised);
}

.b78f-hero-title-s21e {
    font-size: 55px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 37px;
}

.b78f-hero-buttons-gcae {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}


.hero-visual {
    position: relative;
    height: 498px;
}

.hero-card {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 25px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-raised-lg);
    animation: cardFloat 6s ease-in-out infinite;
    transition: all var(--transition-normal);
}

.hero-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-raised-lg), var(--shadow-glow);
}

.card-icon {
    width: 65px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-raised);
}

.card-icon img {
    width: 41px;
    height: 42px;
    object-fit: contain;
}

.card-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-card-1 { top: 5%; left: 5%; }
.hero-card-2 { top: 35%; right: 0; animation-delay: -2s; }
.hero-card-3 { bottom: 10%; left: 15%; animation-delay: -4s; }

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}


.b78f-section-vfb8 {
    padding: 100px 0;
    position: relative;
}

.b78f-section-header-ec05 {
    text-align: center;
    margin-bottom: 60px;
}

.b78f-section-badge-i278 {
    display: inline-flex;
    align-items: center;


.b78f-features-section-pf19 {
    background: var(--bg-primary);
}

.b78f-features-grid-u450 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.b78f-feature-card-jf63 {
    padding: 36px 28px;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-slow);
    cursor: pointer;
}

.b78f-feature-card-jf63:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-raised-lg), var(--shadow-glow);
}

.b78f-feature-icon-r541 {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border-radius: var(--radius);
    box-shadow: var(--shadow-inset);
    transition: all var(--transition-normal);
}

.b78f-feature-icon-r541 i {
    font-size: 36px;
    color: var(--accent-primary);
}

.b78f-feature-card-jf63:hover .b78f-feature-icon-r541 {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
    transform: scale(1.1);
}

.b78f-feature-card-jf63:hover .b78f-feature-icon-r541 i {
    color: var(--text-light);
}

.b78f-feature-card-jf63 h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 7px;
    color: var(--text-primary);
}

.b78f-feature-card-jf63 p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}
    gap: 8px;
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-raised);
}

.b78f-section-title-w488 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.b78f-section-desc-z54b {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}


.section-services {
    background: var(--bg-primary);
}

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

.service-card {
    padding: 36px 28px;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-slow);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-raised-lg), var(--shadow-glow);
}

.service-icon {
    width: 78px;
    height: 79px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border-radius: var(--radius);
    box-shadow: var(--shadow-inset);
    transition: all var(--transition-normal);
}

.service-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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


.section-stats {
    background: var(--bg-secondary);
    padding: 80px 0;
}

.b78f-stats-grid-v1fa {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: center;
    padding: 31px 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-raised-lg), var(--shadow-glow-purple);
}

.stat-icon {
    width: 102px;
    height: 100px;
    margin: 0 auto 20px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-raised);
}

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

.b78f-stat-value-g8f5 {
    font-size: 42px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.b78f-stat-label-td02 {
    font-size: 17px;
    color: var(--text-secondary);
}


.section-news {
    background: var(--bg-primary);
}

.b78f-news-grid-t5c0 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.news-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-normal);
}

.news-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-raised-lg), var(--shadow-glow);
}

.news-thumb {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-thumb img {
    transform: scale(1.1);
}

.news-date {
    position: absolute;
    bottom: 12px;
    left: 14px;
    padding: 4px 14px;
    background: var(--bg-card);
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 50px;
    box-shadow: var(--shadow-raised);
}

.news-body {
    padding: 26px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.5;
}

.news-title a {
    color: var(--text-primary);
}

.news-title a:hover {
    color: var(--accent-primary);
}

.news-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 17px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
}

.news-more svg {
    transition: transform var(--transition-fast);
}

.news-more:hover svg {
    transform: translateX(4px);
}


.section-partners {
    background: var(--bg-dark);
    padding: 80px 0;
}

.b78f-partners-grid-ka00 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 32px;
    align-items: center;
}

.b78f-partner-item-bb9e {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    padding: 23px;
    background: var(--bg-card);
    border: 2px solid rgba(246, 117, 21, 0.2);
    border-radius: 20px;
    transition: all var(--transition-normal);
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.3), -5px -5px 15px rgba(255, 255, 255, 0.05);
}

.b78f-partner-item-bb9e:hover {
    border-color: #f87015;
    box-shadow: 5px 5px 20px rgba(249, 115, 22, 0.4), -5px -5px 20px rgba(255, 252, 252, 0.08);
    transform: translateY(-5px);
}

.b78f-partner-item-bb9e img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: brightness(1.2);
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.b78f-partner-item-bb9e:hover img {
    opacity: 1;
    filter: brightness(1.4);
}


.section-cta {
    position: relative;
    padding: 123px 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    width: 499px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(247, 116, 20, 0.1) 0%, transparent 70%);
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.b78f-cta-content-s2d0 {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 697px;
    margin: 0 auto;
    padding: 61px;
    background: var(--gradient-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-raised-lg);
}

.b78f-cta-content-s2d0 h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 17px;
    color: var(--text-primary);
}

.b78f-cta-content-s2d0 p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.b78f-cta-buttons-aca5 {
    margin-bottom: 27px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 32px;
}

.cta-feature {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-success);
}


.b78f-footer-s248 {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 82px;
}

.b78f-footer-grid-e216 {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
}

.b78f-footer-brand-aebc {
    max-width: 320px;
}

.b78f-footer-logo-m653 {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.b78f-footer-logo-m653 img {
    height: 40px;
}

.b78f-footer-logo-m653 span {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.b78f-footer-brand-aebc p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 22px;
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
}

.b78f-footer-links-m09a h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.b78f-footer-links-m09a ul li {
    margin-bottom: 16px;
}

.b78f-footer-links-m09a ul li a,
.b78f-footer-links-m09a ul li span {
    font-size: 18px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.b78f-footer-links-m09a ul li a:hover {
    color: var(--accent-primary);
}

.b78f-footer-bottom-q862 {
    padding: 21px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.b78f-footer-bottom-q862 p {
    font-size: 17px;
    color: var(--text-muted);
}


.page-banner {
    position: relative;
    padding: 138px 0 60px;
    background: var(--gradient-dark);
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(251, 115, 19, 0.12) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
}

.page-banner .b78f-container-i834 {
    position: relative;
    z-index: 1;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 12px;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--accent-primary);
}

.breadcrumb .sep {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 500;
}

.b78f-page-title-m659 {
    font-size: 39px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.b78f-page-desc-ga57 {
    font-size: 19px;
    color: var(--text-secondary);
    max-width: 700px;
    line-height: 1.7;
}


.section-list {
    background: var(--bg-primary);
    padding: 60px 0 100px;
}

.list-wrapper {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
}

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

.article-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-bottom: 48px;
}

.article-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-normal);
}

.article-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-raised-lg), var(--shadow-glow);
}

.article-thumb {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--bg-input);
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.article-card:hover .article-thumb img {
    transform: scale(1.08);
}

.article-category {
    position: absolute;
    top: 12px;
    left: 14px;
    padding: 6px 14px;
    background: var(--gradient-primary);
    color: var(--text-light);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: var(--shadow-raised);
}

.article-content {
    padding: 25px;
}

.article-meta {
    margin-bottom: 12px;
}

.meta-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.article-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 9px;
    line-height: 1.5;
}

.article-title a {
    color: var(--text-primary);
}

.article-title a:hover {
    color: var(--accent-primary);
}

.article-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
}

.article-link svg {
    transition: transform var(--transition-fast);
}

.article-link:hover svg {
    transform: translateX(4px);
}


.b78f-pagination-hd6e {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 16px;
}

.page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 41px;
    height: 43px;
    padding: 0 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-fast);
}

.page-num:hover,
.page-num.b78f-active-q460 {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--text-light);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
}


.list-sidebar,
.article-sidebar {
    position: sticky;
    top: 99px;
}

.sidebar-widget {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-raised);
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    padding-bottom: 13px;
    border-bottom: 1px solid var(--border-color);
}

.title-icon {
    font-size: 22px;
}


.hot-articles {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hot-item {
    transition: transform var(--transition-fast);
}

.hot-item:hover {
    transform: translateX(5px);
}

.hot-link {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.hot-thumb {
    flex-shrink: 0;
    width: 73px;
    height: 70px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-raised);
}

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

.hot-info {
    flex: 1;
    min-width: 0;
}

.hot-info h4 {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.hot-date {
    font-size: 13px;
    color: var(--text-muted);
}


.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-item {
    display: inline-block;
    padding: 8px 18px;
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 13px;
    border-radius: 50px;
    box-shadow: var(--shadow-inset);
    transition: all var(--transition-fast);
}

.tag-item:hover {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
}


.widget-contact {
    background: var(--gradient-primary);
    border: none;
    text-align: center;
}

.widget-contact .widget-title {
    border-bottom-color: rgba(255, 255, 255, 0.2);
    justify-content: center;
    color: var(--text-light);
}

.widget-contact .title-icon {
    color: var(--text-light);
}

.widget-contact p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 8px;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 28px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-light);
    font-weight: 600;
    border-radius: 50px;
    margin-top: 16px;
    transition: all var(--transition-fast);
}

.contact-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    color: var(--text-light);
    transform: translateY(-2px);
}


.section-article {
    background: var(--bg-primary);
    padding: 37px 0 100px;
}

.article-wrapper {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: start;
}

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

.article-detail {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-raised);
}

.article-header {
    margin-bottom: 32px;
    padding-bottom: 21px;
    border-bottom: 1px solid var(--border-color);
}

.article-detail .article-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.article-detail .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.meta-item svg {
    color: var(--text-muted);
}

.meta-item a {
    color: var(--accent-primary);
}


.article-summary {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-input);
    border-left: 4px solid var(--accent-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 31px;
    box-shadow: var(--shadow-inset);
}

.summary-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.summary-content {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.summary-content strong {
    color: var(--text-primary);
}


.b78f-article-body-a097 {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-primary);
}

.b78f-article-body-a097 h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 49px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent-primary);
    color: var(--text-primary);
}

.b78f-article-body-a097 h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 36px 0 16px;
    color: var(--text-primary);
}

.b78f-article-body-a097 h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--text-primary);
}

.b78f-article-body-a097 p {
    margin: 21px 0;
    color: var(--text-secondary);
}

.b78f-article-body-a097 img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: var(--radius-sm);
    margin: 28px auto !important;
    display: block !important;
    box-shadow: var(--shadow-raised);
}

.b78f-article-body-a097 p img,
.b78f-detail-content-j7b2 p img {
    margin-left: auto !important;
    margin-right: auto !important;
}

.b78f-article-body-a097 p:has(img),
.b78f-detail-content-j7b2 p:has(img) {
    text-align: center;
}

.b78f-article-body-a097 ul,
.b78f-article-body-a097 ol {
    margin: 18px 0;
    padding-left: 28px;
}

.b78f-article-body-a097 li {
    margin: 8px 0;
    color: var(--text-secondary);
}

.b78f-article-body-a097 ul li::before {
    content: '';
    position: absolute;
    left: -18px;
    top: 10px;
    width: 8px;
    height: 10px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.b78f-article-body-a097 blockquote {
    margin: 29px 0;
    padding: 24px 28px;
    background: var(--bg-input);
    border-left: 4px solid var(--accent-secondary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-secondary);
    box-shadow: var(--shadow-inset);
}

.b78f-article-body-a097 strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.b78f-article-body-a097 a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.b78f-article-body-a097 table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-raised);
}

.b78f-article-body-a097 table th {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 14px 18px;
    text-align: left;
    font-weight: 600;
}

.b78f-article-body-a097 table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.b78f-article-body-a097 table tr:hover {
    background: var(--bg-elevated);
}


.article-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.article-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: var(--shadow-inset);
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--bg-card);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: var(--shadow-raised);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.tags-label {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
}

.tag-link {
    display: inline-block;
    padding: 8px 18px;
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 13px;
    border-radius: 50px;
    box-shadow: var(--shadow-inset);
    transition: all var(--transition-fast);
}

.tag-link:hover {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-raised), var(--shadow-glow);
}


.related-articles {
    margin-top: 47px;
}

.b78f-related-title-ka0e {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 23px;
    font-weight: 600;
    margin-bottom: 26px;
    color: var(--text-primary);
}

.b78f-related-grid-nb13 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.related-card {
    display: flex;
    gap: 16px;
    padding: 13px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-raised);
    transition: all var(--transition-normal);
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-raised-lg), var(--shadow-glow);
}

.related-thumb {
    flex-shrink: 0;
    width: 100px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-raised);
}

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

.related-info {
    flex: 1;
    min-width: 0;
}

.related-info h4 {
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.related-date {
    font-size: 14px;
    color: var(--text-muted);
}


.widget-author {
    text-align: center;
}

.author-avatar {
    width: 90px;
    height: 90px;
    margin: 0 auto 16px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--gradient-primary);
    padding: 4px;
    box-shadow: var(--shadow-raised), var(--shadow-glow);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: contain;
    background: var(--bg-card);
}

.author-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.author-bio {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.author-follow {
    display: inline-block;
    padding: 13px 28px;
    background: var(--gradient-primary);
    color: var(--text-light);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: var(--shadow-raised), var(--shadow-glow);
    transition: all var(--transition-fast);
}

.author-follow:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-raised-lg), 0 0 30px rgba(249, 115, 22, 0.4);
    color: var(--text-light);
}


@media (max-width: 1023px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    
    .b78f-features-grid-u450 {
        grid-template-columns: repeat(2, 1fr);
    }
    }
    
    .b78f-partners-grid-ka00 {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    
    .b78f-stats-grid-v1fa {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .b78f-news-grid-t5c0 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .b78f-hero-dd19 .b78f-container-i834 {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .b78f-hero-content-uebd {
        max-width: 100%;
    }
    
    .b78f-hero-buttons-gcae {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .list-wrapper,
    .article-wrapper {
        grid-template-columns: 1fr;
    }
    
    .list-sidebar,
    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .sidebar-widget {
        margin-bottom: 0;
    }
    
    .b78f-footer-grid-e216 {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}


@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .b78f-partners-grid-ka00 {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .b78f-partner-item-bb9e {
        height: 82px;
        padding: 16px;
    }
    
    .b78f-container-i834 {
        padding: 0 16px;
    }
    
    .logo-slogan {
        width: 100px;
        height: 32px;
    }
    
    
    .b78f-main-nav-fdf1 {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-raised-lg);
        z-index: 9998;
    }
    
    .b78f-main-nav-fdf1.b78f-active-q460 {
        display: block;
    }
    
    .b78f-nav-list-x7f1 {
        flex-direction: column;
        gap: 0;
    }
    
    .b78f-nav-list-x7f1 li {
        width: 100%;
    }
    
    .b78f-nav-list-x7f1 li a {
        display: block;
        padding: 16px 20px;
        text-align: center;
        border-radius: 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .b78f-nav-list-x7f1 li:last-child a {
        border-bottom: none;
    }
    
    .b78f-btn-contact-h7f2 {
        display: none;
    }
    
    .b78f-menu-toggle-o810 {
        display: flex !important;
    }
    
    
    .b78f-hero-dd19 {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .b78f-hero-title-s21e {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 13px;
    }
    
    .b78f-hero-buttons-gcae {
        flex-direction: column;
        align-items: stretch;
    }
    
    
    .b78f-section-vfb8 {
        padding: 60px 0;
    }
    
    .b78f-section-title-w488 {
        font-size: 31px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    
    
    .b78f-features-grid-u450 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    }
    
    .b78f-stats-grid-v1fa {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .stat-item {
        padding: 24px 16px;
    }
    
    .stat-icon {
        width: 81px;
        height: 80px;
    }
    
    .b78f-stat-value-g8f5 {
        font-size: 32px;
    }
    
    .b78f-news-grid-t5c0 {
        grid-template-columns: 1fr;
    }
    
    .b78f-cta-content-s2d0 {
        padding: 40px 24px;
    }
    
    .b78f-cta-content-s2d0 h2 {
        font-size: 26px;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 12px;
    }
    
    
    .b78f-page-title-m659 {
        font-size: 28px;
    }
    
    
    .section-list {
        padding: 30px 0 60px;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .list-sidebar {
        display: none;
    }
    
    
    .b78f-pagination-hd6e {
        gap: 6px;
        padding: 0 8px;
    }
    
    .page-num {
        min-width: 38px;
        height: 36px;
        padding: 0 10px;
        font-size: 14px;
    }
    
    
    .article-sidebar {
        grid-template-columns: 1fr;
    }
    
    .article-detail {
        padding: 28px 20px;
    }
    
    .article-detail .article-title {
        font-size: 24px;
    }
    
    .article-detail .article-meta {
        flex-direction: column;
        gap: 12px;
    }
    
    .b78f-related-grid-nb13 {
        grid-template-columns: 1fr;
    }
    
    
    .b78f-footer-grid-e216 {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .b78f-footer-brand-aebc {
        max-width: 100%;
    }
}


@media (max-width: 480px) {
    .b78f-hero-title-s21e {
        font-size: 29px;
    }
    
    .b78f-section-title-w488 {
        font-size: 24px;
    }
    
    .article-detail .article-title {
        font-size: 22px;
    }
    
    .b78f-page-title-m659 {
        font-size: 24px;
    }
    
    .b78f-cta-content-s2d0 h2 {
        font-size: 22px;
    }
    
    .b78f-stats-grid-v1fa {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .b78f-stat-value-g8f5 {
        font-size: 31px;
    }
}

/* === disguise mutation rules === */
[class*="b78f-ghost-"]{display:none!important;position:absolute;width:0;height:0;overflow:hidden;clip:rect(0,0,0,0);border:0;padding:0;margin:0}
[class*="b78f-wrapper-"]{display:contents}
/* === end mutation rules === */


/* ============================================================
   瑞士国际主义金融科技风格 — AI 覆盖样式层
   (Append Override — 不删除旧代码，利用CSS层叠覆盖)
   ============================================================ */

/* --- Design Tokens --- */
:root {
  --color-primary: #E30613;
  --color-primary-hover: #B8000F;
  --color-accent: #1A1A1A;
  --bg-page: #FFFFFF;
  --bg-section: #F2F2F2;
  --bg-dark: #1A1A1A;
  --text-main: #1A1A1A;
  --text-secondary: #6B6B6B;
  --text-inverse: #FFFFFF;
  --border-line: #D9D9D9;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 64px;
  --spacing-xl: 120px;
  --font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 20px;
  --font-size-h3: 28px;
  --font-size-h2: 48px;
  --font-size-h1: 80px;
  --font-size-display: 120px;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  --line-height-tight: 1.0;
  --line-height-base: 1.5;
  --radius-sm: 0px;
  --radius-md: 2px;
  --shadow-card: none;
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.10);
  --grid-columns: 12;
  --grid-gutter: 24px;
  --grid-margin: 40px;
  --content-max-width: 1440px;
  --content-inner-width: 1200px;
}

/* --- 全局基础覆盖 --- */
body {
  font-family: var(--font-family);
  background: var(--bg-page);
  color: var(--text-main);
}

a { color: var(--text-main); }
a:hover { color: var(--color-primary); }

/* --- 通用容器 --- */
.ai-container {
  max-width: var(--content-inner-width);
  margin: 0 auto;
  padding: 0 var(--grid-margin);
}

/* ============================================================
   导航 Header — 白底黑字，底部1px线
   ============================================================ */
.b78f-header-ge94 {
  background: var(--bg-page) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: 1px solid var(--border-line) !important;
  box-shadow: none !important;
  height: 72px !important;
}

.b78f-header-ge94.scrolled {
  background: var(--bg-page) !important;
  box-shadow: none !important;
  border-bottom: 1px solid var(--border-line) !important;
}

.b78f-header-container-ia17 {
  max-width: var(--content-inner-width);
  padding: 0 var(--grid-margin);
}

.b78f-logo-g6b4 img { height: 36px; }

.b78f-logo-text-ld44 {
  font-family: var(--font-family);
  font-weight: var(--font-weight-black);
  font-size: 18px;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.b78f-nav-list-x7f1 li a {
  color: var(--text-main);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 16px;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  transition: color 0.15s ease;
}

.b78f-nav-list-x7f1 li a:hover {
  color: var(--color-primary);
  background: transparent !important;
  box-shadow: none !important;
}

.b78f-btn-contact-h7f2 {
  background: var(--color-primary) !important;
  color: var(--text-inverse) !important;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 24px !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: none !important;
  transition: background 0.15s ease;
}

.b78f-btn-contact-h7f2:hover {
  background: var(--color-primary-hover) !important;
  color: var(--text-inverse) !important;
  transform: none !important;
  box-shadow: none !important;
}

/* 汉堡菜单 — 黑色线条 */
.b78f-menu-toggle-o810 {
  background: transparent !important;
  border: 1px solid var(--border-line) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

.b78f-menu-toggle-o810 span {
  background-color: var(--text-main) !important;
  border-radius: 0 !important;
}

/* 移动端导航全屏黑底 */
@media (max-width: 768px) {
  .b78f-main-nav-fdf1 {
    background: var(--bg-dark) !important;
    border-bottom: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  .b78f-nav-list-x7f1 li a {
    color: var(--text-inverse);
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    padding: 20px 24px !important;
    border-bottom: 1px solid rgba(255,255,255,0.1) !important;
  }
  .b78f-nav-list-x7f1 li a:hover {
    color: var(--color-primary);
  }
}

/* ============================================================
   通用按钮覆盖
   ============================================================ */
.b78f-btn-b3dc {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm) !important;
  padding: 12px 32px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  box-shadow: none !important;
}

.b78f-btn-b3dc:hover {
  transform: none !important;
  box-shadow: none !important;
}

.b78f-btn-primary-ecd2,
.ai-btn-primary {
  background: var(--color-primary) !important;
  color: var(--text-inverse) !important;
  border: none !important;
  box-shadow: none !important;
}

.b78f-btn-primary-ecd2:hover,
.ai-btn-primary:hover {
  background: var(--color-primary-hover) !important;
  color: var(--text-inverse) !important;
  box-shadow: none !important;
}

.ai-btn-ghost {
  background: transparent !important;
  color: var(--text-inverse) !important;
  border: 1px solid var(--text-inverse) !important;
  box-shadow: none !important;
}

.ai-btn-ghost:hover {
  background: var(--text-inverse) !important;
  color: var(--text-main) !important;
  box-shadow: none !important;
}

.ai-btn-ghost-dark {
  background: transparent !important;
  color: var(--text-inverse) !important;
  border: 1px solid rgba(255,255,255,0.4) !important;
  box-shadow: none !important;
}

.ai-btn-ghost-dark:hover {
  background: var(--text-inverse) !important;
  color: var(--text-main) !important;
  box-shadow: none !important;
}

.ai-btn-large {
  padding: 16px 48px !important;
  font-size: var(--font-size-base) !important;
}

/* ============================================================
   Hero 首屏 — 黑底，超大标题，左右布局
   ============================================================ */
.ai-hero-section {
  background: var(--bg-dark);
  padding: 120px 0 80px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.ai-hero-section::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40%;
  height: 100%;
  border-left: 1px solid rgba(255,255,255,0.06);
  pointer-events: none;
}

.b78f-hero-dd19 {
  background: var(--bg-dark) !important;
}

.b78f-hero-dd19::before,
.b78f-hero-dd19::after {
  display: none !important;
}

.ai-hero-inner {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.ai-hero-eyebrow {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.ai-hero-title {
  font-family: var(--font-family);
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  color: var(--text-inverse);
  margin-bottom: var(--spacing-md);
  word-break: break-word;
}

.ai-hero-desc {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.6);
  line-height: var(--line-height-base);
  margin-bottom: var(--spacing-md);
  max-width: 520px;
}

.ai-hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.ai-hero-right {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 1px solid rgba(255,255,255,0.12);
}

.ai-hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.ai-hero-stat-item {
  padding: var(--spacing-sm);
  border: 1px solid rgba(255,255,255,0.1);
}

.ai-hero-stat-num {
  font-size: 36px;
  font-weight: var(--font-weight-black);
  color: var(--text-inverse);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.ai-hero-stat-num span {
  font-size: 20px;
  color: var(--color-primary);
}

.ai-hero-stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ai-hero-grid-decoration {
  position: relative;
  height: 60px;
}

.ai-red-block {
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
}

/* ============================================================
   数据跑马灯 — 红底，白色数字
   ============================================================ */
.ai-ticker-bar {
  background: var(--color-primary);
  overflow: hidden;
  padding: 14px 0;
  position: relative;
}

.ai-ticker-inner {
  overflow: hidden;
}

.ai-ticker-track {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: ai-ticker-scroll 30s linear infinite;
  white-space: nowrap;
}

.ai-ticker-item {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.ai-ticker-item strong {
  font-weight: var(--font-weight-black);
  color: var(--text-inverse);
  font-size: 16px;
}

.ai-ticker-sep {
  color: rgba(255,255,255,0.4);
  flex-shrink: 0;
}

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

/* ============================================================
   核心功能区 — 白底，3×2网格，细线边框，红色序号
   ============================================================ */
.ai-features-section {
  background: var(--bg-page);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-line);
}

.ai-section-header {
  margin-bottom: var(--spacing-lg);
}

.ai-section-label {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.ai-section-title {
  font-family: var(--font-family);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-black);
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-sm) 0;
}

.ai-section-desc {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin: 0;
}

/* Features Grid */
.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-line);
  border-left: 1px solid var(--border-line);
}

.ai-feature-card {
  padding: var(--spacing-md) var(--spacing-md);
  background: var(--bg-page) !important;
  border: none !important;
  border-right: 1px solid var(--border-line) !important;
  border-bottom: 1px solid var(--border-line) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  text-align: left !important;
  transition: background 0.15s ease !important;
  cursor: pointer;
}

.ai-feature-card:hover {
  background: var(--bg-section) !important;
  transform: none !important;
  box-shadow: none !important;
  border-color: var(--border-line) !important;
}

.ai-feature-num {
  font-family: var(--font-family);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.ai-feature-card h3 {
  font-family: var(--font-family);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--text-main) !important;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.01em;
}

.ai-feature-card p {
  font-size: var(--font-size-base);
  color: var(--text-secondary) !important;
  line-height: var(--line-height-base);
}

/* 隐藏旧的图标容器 */
.b78f-feature-icon-r541 { display: none !important; }

/* ============================================================
   数据统计区 — 浅灰底，大号数字
   ============================================================ */
.b78f-stats-section-aaba,
.ai-stats-section {
  background: var(--bg-section) !important;
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.ai-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-line);
  border-left: 1px solid var(--border-line);
}

.ai-stat-block {
  padding: var(--spacing-md) var(--spacing-md);
  background: transparent !important;
  border: none !important;
  border-right: 1px solid var(--border-line) !important;
  border-bottom: 1px solid var(--border-line) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  text-align: left;
  transition: background 0.15s ease;
}

.ai-stat-block:hover {
  background: var(--bg-page) !important;
  transform: none !important;
  box-shadow: none !important;
}

.ai-stat-value {
  font-family: var(--font-family);
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-black);
  color: var(--text-main) !important;
  background: none !important;
  -webkit-background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  background-clip: unset !important;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-xs);
  display: block;
}

.ai-stat-highlight {
  color: var(--color-primary);
}

.ai-stat-label {
  font-size: var(--font-size-base);
  color: var(--text-secondary) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-weight-medium);
}

/* ============================================================
   最新资讯 — 白底，细线直角新闻卡片
   ============================================================ */
.ai-news-section {
  background: var(--bg-page) !important;
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--border-line);
}

.ai-news-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 0 !important;
  border-top: 1px solid var(--border-line);
  border-left: 1px solid var(--border-line);
}

.ai-news-card {
  background: var(--bg-page) !important;
  border: none !important;
  border-right: 1px solid var(--border-line) !important;
  border-bottom: 1px solid var(--border-line) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  overflow: hidden;
  transition: background 0.15s ease !important;
}

.ai-news-card:hover {
  background: var(--bg-section) !important;
  transform: none !important;
  box-shadow: none !important;
  border-color: var(--border-line) !important;
}

.ai-news-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-section);
}

.ai-news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
  filter: grayscale(20%);
}

.ai-news-card:hover .ai-news-image img {
  transform: scale(1.04);
}

.ai-news-date {
  position: absolute !important;
  bottom: var(--spacing-xs) !important;
  left: var(--spacing-xs) !important;
  background: var(--bg-dark) !important;
  color: var(--text-inverse) !important;
  font-size: 11px !important;
  font-weight: var(--font-weight-medium) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 4px 10px !important;
  letter-spacing: 0.05em;
}

.ai-news-content {
  padding: var(--spacing-md);
}

.ai-news-category {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.ai-news-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  line-height: 1.35;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.01em;
}

.ai-news-title a {
  color: var(--text-main);
  text-decoration: none;
}

.ai-news-title a:hover {
  color: var(--color-primary);
}

.ai-news-excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-base);
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ai-news-meta {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================================
   合作伙伴 — 浅灰底，细线网格，Logo单色化
   ============================================================ */
.ai-partners-section {
  background: var(--bg-section);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.ai-partners-grid {
  display: grid !important;
  grid-template-columns: repeat(6, 1fr) !important;
  gap: 0 !important;
  border-top: 1px solid var(--border-line);
  border-left: 1px solid var(--border-line);
}

.ai-partner-item {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 80px !important;
  padding: 16px !important;
  background: var(--bg-section) !important;
  border: none !important;
  border-right: 1px solid var(--border-line) !important;
  border-bottom: 1px solid var(--border-line) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transition: background 0.15s ease !important;
}

.ai-partner-item:hover {
  background: var(--bg-page) !important;
  transform: none !important;
  border-color: var(--border-line) !important;
}

.ai-partner-item img {
  max-height: 40px;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(100%) !important;
  opacity: 0.7 !important;
  transition: opacity 0.15s ease, filter 0.15s ease !important;
}

.ai-partner-item:hover img {
  opacity: 1 !important;
  filter: grayscale(0%) !important;
}

/* ============================================================
   CTA 区域 — 黑底，大标题，红色CTA按钮
   ============================================================ */
.ai-cta-section {
  background: var(--bg-dark);
  padding: var(--spacing-xl) 0;
}

.b78f-cta-section-c094 {
  background: var(--bg-dark) !important;
}

.b78f-cta-section-c094::before {
  display: none !important;
}

.ai-cta-inner {
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
  text-align: left !important;
  max-width: 100% !important;
  margin: 0 !important;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--spacing-lg);
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding: var(--spacing-lg) 0 !important;
}

.ai-cta-label {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.ai-cta-title {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-black);
  color: var(--text-inverse) !important;
  letter-spacing: -0.03em;
  line-height: var(--line-height-tight);
  margin: 0;
}

.ai-cta-desc {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.6) !important;
  margin: var(--spacing-sm) 0 0 0 !important;
}

.ai-cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
  margin-bottom: 0 !important;
}

.b78f-cta-content-s2d0 h2 {
  font-size: var(--font-size-h1) !important;
  color: var(--text-inverse) !important;
  font-weight: var(--font-weight-black) !important;
}

.b78f-cta-content-s2d0 p {
  color: rgba(255,255,255,0.6) !important;
}

/* ============================================================
   Footer — 黑底，顶部红色线，白色文字
   ============================================================ */
.b78f-footer-s248 {
  background: var(--bg-dark) !important;
  border-top: 3px solid var(--color-primary) !important;
  padding-top: var(--spacing-lg) !important;
}

.b78f-footer-brand-aebc p {
  color: rgba(255,255,255,0.5) !important;
  font-size: var(--font-size-sm) !important;
  line-height: var(--line-height-base) !important;
}

.b78f-footer-logo-m653 span {
  font-family: var(--font-family) !important;
  font-weight: var(--font-weight-black) !important;
  color: var(--text-inverse) !important;
  font-size: 18px !important;
  letter-spacing: -0.01em;
}

.b78f-footer-links-m09a h4 {
  font-family: var(--font-family);
  font-size: 11px !important;
  font-weight: var(--font-weight-bold) !important;
  color: rgba(255,255,255,0.4) !important;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--spacing-sm) !important;
}

.b78f-footer-links-m09a ul li a,
.b78f-footer-links-m09a ul li span {
  font-size: var(--font-size-sm) !important;
  color: rgba(255,255,255,0.6) !important;
  transition: color 0.15s ease;
}

.b78f-footer-links-m09a ul li a:hover {
  color: var(--text-inverse) !important;
}

.b78f-footer-bottom-q862 {
  border-top: 1px solid rgba(255,255,255,0.1) !important;
  padding: var(--spacing-sm) 0 !important;
}

.b78f-footer-bottom-q862 p {
  font-size: var(--font-size-sm) !important;
  color: var(--text-secondary) !important;
}

.b78f-footer-bottom-q862 a {
  color: var(--text-secondary) !important;
}

.b78f-footer-bottom-q862 a:hover {
  color: var(--text-inverse) !important;
}

/* ============================================================
   返回顶部按钮
   ============================================================ */
.b78f-back-to-top-r584 {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, background 0.15s ease;
  z-index: 9999;
  border-radius: 0;
  box-shadow: none;
}

.b78f-back-to-top-r584.show {
  opacity: 1;
  pointer-events: auto;
}

.b78f-back-to-top-r584:hover {
  background: var(--color-primary-hover);
}

/* ============================================================
   页面Banner（列表/搜索页）
   ============================================================ */
.ai-page-banner {
  background: var(--bg-dark);
  padding: 120px 0 64px;
  border-bottom: 3px solid var(--color-primary);
}

.ai-page-banner-inner {
  max-width: 720px;
}

.ai-page-banner-label {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.b78f-page-title-m659.ai-page-title {
  font-family: var(--font-family);
  font-size: var(--font-size-h1) !important;
  font-weight: var(--font-weight-black) !important;
  color: var(--text-inverse) !important;
  letter-spacing: -0.03em;
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-sm) 0;
}

.b78f-page-desc-ga57.ai-page-desc {
  color: rgba(255,255,255,0.6) !important;
  font-size: var(--font-size-lg) !important;
}

.ai-highlight-red {
  color: var(--color-primary);
}

/* ============================================================
   主内容区通用
   ============================================================ */
.ai-main-content {
  background: var(--bg-page);
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.ai-list-section {
  padding: var(--spacing-lg) 0 !important;
}

/* ============================================================
   分页样式
   ============================================================ */
.ai-pagination {
  margin-top: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  flex-wrap: wrap;
}

.ai-page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background: var(--bg-page);
  border: 1px solid var(--border-line);
  color: var(--text-main);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: 0;
  box-shadow: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}

.ai-page-item:hover,
.ai-page-item.ai-active,
.b78f-page-item-x5df.b78f-active-q460 {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: var(--text-inverse) !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}

/* ============================================================
   文章详情页
   ============================================================ */
.ai-detail-main {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.ai-detail-header {
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-line);
}

.ai-detail-category-bar {
  margin-bottom: var(--spacing-sm);
}

.ai-detail-category {
  display: inline-block;
  background: var(--color-primary);
  color: var(--text-inverse);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 0;
  text-decoration: none;
}

.ai-detail-title {
  font-family: var(--font-family) !important;
  font-size: var(--font-size-h2) !important;
  font-weight: var(--font-weight-black) !important;
  letter-spacing: -0.02em !important;
  color: var(--text-main) !important;
  line-height: 1.2 !important;
  background: none !important;
  -webkit-text-fill-color: var(--text-main) !important;
}

.ai-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.ai-detail-meta a {
  color: var(--color-primary);
}

.ai-detail-content {
  margin-bottom: var(--spacing-lg);
}

.ai-detail-quote {
  border-left: 4px solid var(--color-primary) !important;
  background: var(--bg-section) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  color: var(--text-secondary) !important;
  font-style: normal !important;
  margin-bottom: var(--spacing-md);
}

/* 文章正文排版覆盖 */
.b78f-article-body-a097 {
  font-family: var(--font-family);
  color: var(--text-main) !important;
  font-size: var(--font-size-base) !important;
  line-height: 1.9;
}

.b78f-article-body-a097 h2 {
  color: var(--text-main) !important;
  border-bottom: 2px solid var(--color-primary) !important;
}

.b78f-article-body-a097 h3 {
  color: var(--text-main) !important;
}

.b78f-article-body-a097 p {
  color: var(--text-secondary) !important;
}

.b78f-article-body-a097 img {
  border-radius: 0 !important;
  box-shadow: none !important;
  border: 1px solid var(--border-line) !important;
}

.b78f-article-body-a097 strong {
  color: var(--text-main) !important;
}

.b78f-article-body-a097 blockquote {
  border-left: 4px solid var(--color-primary) !important;
  background: var(--bg-section) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--text-secondary) !important;
}

.b78f-article-body-a097 table th {
  background: var(--bg-dark) !important;
  color: var(--text-inverse) !important;
}

.b78f-article-body-a097 table td {
  border-bottom: 1px solid var(--border-line) !important;
  color: var(--text-secondary) !important;
}

.b78f-article-body-a097 table tr:hover {
  background: var(--bg-section) !important;
}

/* 标签 */
.ai-detail-tags {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-line);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  align-items: center;
}

.b78f-detail-tags-label-d5d6 {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.ai-tag,
.neuro-tag {
  display: inline-block;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border-line);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  border-radius: 0;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.ai-tag:hover,
.neuro-tag:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-inverse);
}

/* 上下篇导航 */
.ai-detail-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border-line);
  margin-bottom: var(--spacing-lg);
}

.ai-detail-nav-item {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-page);
  border: none;
  border-radius: 0;
  text-decoration: none;
  transition: background 0.15s ease;
}

.ai-detail-nav-item + .ai-detail-nav-item {
  border-left: 1px solid var(--border-line);
}

.ai-detail-nav-item:hover {
  background: var(--bg-section);
}

.ai-detail-nav-next {
  text-align: right;
}

.ai-detail-nav-label {
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.ai-detail-nav-ttl {
  font-size: var(--font-size-sm);
  color: var(--text-main);
  font-weight: var(--font-weight-medium);
  line-height: 1.4;
}

.ai-detail-nav-empty .ai-detail-nav-ttl {
  color: var(--text-secondary);
}

/* 相关推荐 */
.ai-related-section {
  border-top: 1px solid var(--border-line);
  padding-top: var(--spacing-lg) !important;
}

.ai-related-title {
  font-family: var(--font-family);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-black);
  color: var(--text-main) !important;
  background: none !important;
  -webkit-text-fill-color: var(--text-main) !important;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
}

.ai-related-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 0 !important;
  border-top: 1px solid var(--border-line);
  border-left: 1px solid var(--border-line);
}

.ai-related-card {
  background: var(--bg-page) !important;
  border: none !important;
  border-right: 1px solid var(--border-line) !important;
  border-bottom: 1px solid var(--border-line) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  display: flex !important;
  flex-direction: column !important;
  padding: 0 !important;
  transition: background 0.15s ease !important;
}

.ai-related-card:hover {
  background: var(--bg-section) !important;
  transform: none !important;
  border-color: var(--border-line) !important;
  box-shadow: none !important;
}

.ai-related-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-section);
}

.ai-related-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: transform 0.3s ease;
}

.ai-related-card:hover .ai-related-card-image img {
  transform: scale(1.04);
}

.ai-related-card-body {
  padding: var(--spacing-sm);
  flex: 1;
}

.ai-related-card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  margin-bottom: var(--spacing-xs);
}

.ai-related-card-title a {
  color: var(--text-main);
  text-decoration: none;
}

.ai-related-card-title a:hover {
  color: var(--color-primary);
}

.ai-related-card-meta {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================================
   响应式断点
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --font-size-display: 72px;
    --font-size-h1: 56px;
    --font-size-h2: 36px;
    --spacing-xl: 80px;
    --spacing-lg: 48px;
    --grid-margin: 24px;
  }

  .ai-hero-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .ai-hero-right {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: var(--spacing-md);
  }

  .ai-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-news-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .ai-partners-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }

  .ai-related-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .ai-cta-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .ai-detail-nav {
    grid-template-columns: 1fr;
  }

  .ai-detail-nav-item + .ai-detail-nav-item {
    border-left: none;
    border-top: 1px solid var(--border-line);
  }

  .ai-detail-nav-next {
    text-align: left;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-display: 48px;
    --font-size-h1: 36px;
    --font-size-h2: 28px;
    --font-size-h3: 22px;
    --spacing-xl: 48px;
    --spacing-lg: 32px;
    --grid-margin: 16px;
  }

  .ai-hero-section {
    padding: 100px 0 48px;
    min-height: auto;
  }

  .ai-features-grid {
    grid-template-columns: 1fr;
  }

  .ai-stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-stat-value {
    font-size: 48px !important;
  }

  .ai-news-grid {
    grid-template-columns: 1fr !important;
  }

  .ai-partners-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .ai-partner-item {
    height: 64px !important;
  }

  .ai-related-grid {
    grid-template-columns: 1fr !important;
  }

  .ai-hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .b78f-page-title-m659.ai-page-title {
    font-size: 36px !important;
  }
}