/* ============================================
   业务线公共样式 + 机器视觉专用样式
   ============================================ */

/* ============= 业务线 Hero ============= */
.business-hero {
    position: relative;
    min-height: 480px;
    padding: 120px 0 80px;
    overflow: hidden;
    color: #fff;
}

.business-hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.95;
}

.business-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, var(--biz-color) 0%, transparent 60%);
    opacity: 0.4;
}

.business-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.business-hero-content .hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.business-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.1;
}

.business-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 12px;
}

.business-hero-content .hero-desc {
    font-size: 1rem;
    opacity: 0.7;
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 32px;
}

.business-hero-content .hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.business-hero-stats {
    position: absolute;
    right: 5%;
    bottom: 80px;
    display: flex;
    gap: 30px;
    z-index: 2;
}

.b-stat {
    text-align: center;
    color: rgba(255, 255, 255, 0.95);
}

.b-stat .num {
    font-size: 2.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.5) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============= 板块导航卡片 ============= */
.business-sections-nav {
    padding: 80px 0;
}

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

.biz-card {
    display: block;
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.biz-card:hover {
    transform: translateY(-6px);
    border-color: var(--biz-color, var(--primary));
    box-shadow: 0 10px 30px var(--biz-color-shadow, rgba(0, 82, 204, 0.3));
}

.biz-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--biz-color, var(--primary)) 0%, transparent 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.biz-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.biz-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.biz-card-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.biz-card-arrow {
    display: inline-block;
    color: var(--biz-color, var(--primary));
    font-size: 1.4rem;
    transition: var(--transition-fast);
}

.biz-card:hover .biz-card-arrow {
    transform: translateX(8px);
}

/* ============= 业务线 Feature ============= */
.biz-feature-card {
    background: var(--dark-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    display: block;
}

.biz-feature-card:hover {
    border-color: var(--biz-color, var(--primary));
    transform: translateY(-4px);
}

.biz-feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.biz-feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.biz-feature-card .arrow {
    color: var(--biz-color-light, var(--primary-light));
}

/* ============= 业务线 Product ============= */
.biz-products {
    background: var(--dark-light);
}

.biz-product-card {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
    text-align: center;
}

.biz-product-card:hover {
    border-color: var(--biz-color, var(--primary));
    transform: translateY(-4px);
}

.biz-product-img {
    width: 60px;
    height: 60px;
    margin: 0 auto 12px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.biz-product-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.biz-product-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============= 业务线 CTA ============= */
.biz-cta {
    background: linear-gradient(135deg, var(--biz-color, var(--primary)) 0%, var(--dark) 100%);
    text-align: center;
}

.biz-cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.biz-cta-content p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    font-size: 1.05rem;
}

/* ============= Grid 通用 ============= */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

/* ============= Empty State ============= */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.empty-state h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text);
}

.empty-state p {
    margin-bottom: 24px;
}

/* ============= Breadcrumb ============= */
.breadcrumb {
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.breadcrumb a:hover {
    color: var(--biz-color-light, var(--accent));
}

.breadcrumb span:last-child {
    color: var(--text);
}

/* ============= Responsive ============= */
@media (max-width: 1024px) {
    .section-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .business-hero-content h1 { font-size: 2.5rem; }
    .business-hero-stats { display: none; }
}

@media (max-width: 640px) {
    .section-grid { grid-template-columns: 1fr; }
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .business-hero-content h1 { font-size: 2rem; }
}

/* ============================================
   新一代业务线样式(欧莱克设计稿风格)
   前缀: .biz-hero .biz-card .biz-section ...
   每个业务线主题色通过 --biz-color 注入
   ============================================ */

.biz-hero {
    position: relative;
    min-height: 560px;
    padding: 120px 0 80px;
    overflow: hidden;
    color: #fff;
    isolation: isolate;
}

.biz-hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.9;
    z-index: 0;
}

.biz-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 30% 50%, rgba(255,255,255,0.18) 0%, transparent 60%);
}

/* Hero 透明背景图(后台上传): 与主题色渐变叠加 */
.biz-hero-overlay {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 适当压暗,确保前景白色文字清晰可读;透明 PNG 不受 opacity 影响 */
    mix-blend-mode: normal;
    opacity: 1;
}

.biz-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 0%, transparent 70%);
    z-index: 0;
}

.biz-hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.biz-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(255,255,255,0.6);
    border-radius: 50%;
    animation: biz-float 15s infinite;
    opacity: 0.4;
}
.biz-particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.biz-particle:nth-child(2) { left: 25%; animation-delay: 2s; }
.biz-particle:nth-child(3) { left: 40%; animation-delay: 4s; }
.biz-particle:nth-child(4) { left: 60%; animation-delay: 1s; }
.biz-particle:nth-child(5) { left: 75%; animation-delay: 3s; }
.biz-particle:nth-child(6) { left: 90%; animation-delay: 5s; }

@keyframes biz-float {
    0% { transform: translateY(100vh); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh); opacity: 0; }
}

.biz-hero-content {
    position: relative;
    z-index: 2;
    max-width: 880px;
}

/* hero 内的按钮:hero 是深色背景,btn-secondary 玻璃色不可见,强制成"白边描边"风格 */
.biz-hero .btn-primary {
    background: #fff;
    color: var(--biz-color, var(--primary));
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.biz-hero .btn-primary:hover {
    background: #fff;
    color: var(--biz-color, var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}
.biz-hero .btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.biz-hero .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: #fff;
    color: #fff;
}

.biz-hero-badge {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.biz-hero-title {
    font-size: 3.4rem;
    font-weight: 900;
    line-height: 1.15;
    margin: 0 0 20px;
    letter-spacing: -0.02em;
    max-width: 820px;
}

.biz-hero-highlight {
    display: block;
    margin-top: 4px;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.65) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.biz-hero-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
    margin: 0 0 36px;
    max-width: 720px;
}

.biz-hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.biz-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    max-width: 720px;
}

.biz-stat {
    border-left: 2px solid rgba(255, 255, 255, 0.25);
    padding-left: 18px;
}

.biz-stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.65) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.biz-stat-label {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* 4 大板块入口 - 设计稿风格卡片 */
.biz-sections-nav {
    padding: 100px 0;
    background: var(--dark-light);
}

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

.biz-card {
    display: block;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    color: var(--text);
}

.biz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--biz-color, var(--primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.biz-card:hover {
    transform: translateY(-6px);
    border-color: var(--biz-color, var(--primary));
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.biz-card:hover::before {
    transform: scaleX(1);
}

.biz-card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--biz-color, var(--primary)) 0%, transparent 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    border: 1px solid var(--biz-color, var(--primary));
    opacity: 0.85;
}

.biz-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.biz-card-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.biz-card-arrow {
    display: inline-block;
    color: var(--biz-color, var(--primary));
    font-size: 1.4rem;
    font-weight: 700;
    transition: var(--transition-fast);
}

.biz-card:hover .biz-card-arrow {
    transform: translateX(8px);
}

/* 视觉线专属 - 业务线子页面(products/platform/industry/service) */
.biz-subnav {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.biz-subnav a {
    padding: 12px 24px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.biz-subnav a:hover,
.biz-subnav a.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
}

/* ============== 解决方案图文卡片 (业务首页用 - 学习 content_listing.php 同款) ============== */
.biz-solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.biz-solution-card {
    display: flex;
    flex-direction: column;
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.biz-solution-card:hover {
    transform: translateY(-5px);
    border-color: var(--biz-color, #FF6B35);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.biz-solution-media {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--biz-color, #FF6B35) 0%, var(--biz-color-dark, #E55A2B) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.biz-solution-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.biz-solution-card:hover .biz-solution-media img {
    transform: scale(1.05);
}
.biz-solution-media-fallback {
    background: linear-gradient(135deg, var(--biz-color, #FF6B35) 0%, var(--biz-color-dark, #E55A2B) 100%);
}
.biz-solution-icon {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.85);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}
.biz-solution-featured {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #fadb14, #fa8c16);
    color: #1a1a1a;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.biz-solution-body {
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.biz-solution-chip {
    display: inline-block;
    align-self: flex-start;
    padding: 3px 10px;
    border: 1px solid;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}
.biz-solution-body h3 {
    margin: 0 0 4px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.35;
}
.biz-solution-body p {
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.7;
    margin: 0;
    font-size: 0.92rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.biz-solution-arrow {
    margin-top: 12px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: transform 0.2s ease;
    display: inline-block;
}
.biz-solution-card:hover .biz-solution-arrow {
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .biz-solutions-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .biz-solutions-grid { grid-template-columns: 1fr; }
    .biz-solution-media { height: 180px; }
    .biz-solution-body { padding: 18px 20px; }
}

/* ============== Section Footer "查看更多" 按钮 (通用) ============== */
.biz-section-footer-more {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 36px;
    text-align: center;
}
.biz-btn-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 32px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--biz-color, #FF6B35);
    border-radius: 999px;
    color: var(--biz-color-light, #FF8F4D);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}
.biz-btn-more::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--biz-color, #FF6B35) 0%, var(--biz-color-dark, #E55A2B) 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: 0;
}
.biz-btn-more > * { position: relative; z-index: 1; }
.biz-btn-more:hover {
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px var(--biz-color-shadow, rgba(255, 107, 53, 0.35));
}
.biz-btn-more:hover::before { opacity: 1; }
.biz-btn-more-arrow {
    display: inline-block;
    transition: transform 0.25s ease;
}
.biz-btn-more:hover .biz-btn-more-arrow { transform: translateX(4px); }

.biz-section-footer-count {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}

/* ============== 推荐产品卡片 v2 (重设计:大图 + 玻璃 hover) ============== */
.biz-products-grid-v2 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.biz-product-card-v2 {
    display: flex;
    flex-direction: column;
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    height: 100%;
}
.biz-product-card-v2:hover {
    transform: translateY(-6px);
    border-color: var(--biz-color, #FF6B35);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--biz-color-shadow, rgba(255, 107, 53, 0.25));
}

.biz-product-v2-media {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.18) 0%, rgba(255, 143, 77, 0.10) 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.biz-product-v2-media::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%);
    background-size: 18px 18px;
    pointer-events: none;
}
.biz-product-v2-media img {
    /* width: 80%; */
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    position: relative;
    z-index: 1;
}
.biz-product-card-v2:hover .biz-product-v2-media img {
    transform: scale(1.08);
}
.biz-product-v2-media-fallback {
    background: linear-gradient(135deg, var(--biz-color, #FF6B35) 0%, var(--biz-color-dark, #E55A2B) 100%);
}
.biz-product-v2-media-fallback::after {
    content: '📦';
    font-size: 3rem;
    opacity: 0.7;
}

.biz-product-v2-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.biz-product-v2-badge-new {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.95), rgba(5, 150, 105, 0.95));
    color: #fff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.45);
}
.biz-product-v2-badge-hot {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.95), rgba(220, 38, 38, 0.95));
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.45);
}

.biz-product-v2-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.55) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}
.biz-product-card-v2:hover .biz-product-v2-overlay { opacity: 1; }
.biz-product-v2-view {
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--biz-color-dark, #E55A2B);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
}

.biz-product-v2-body {
    padding: 18px 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.biz-product-v2-body h4 {
    margin: 0;
    font-size: 1.02rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s ease;
}
.biz-product-card-v2:hover .biz-product-v2-body h4 {
    color: var(--biz-color-light, #FF8F4D);
}
.biz-product-v2-body p {
    color: rgba(255, 255, 255, 0.58);
    line-height: 1.6;
    margin: 0;
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

@media (max-width: 1024px) {
    .biz-products-grid-v2 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .biz-products-grid-v2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .biz-products-grid-v2 { grid-template-columns: 1fr; }
    .biz-btn-more { padding: 10px 24px; font-size: 0.88rem; }
}

/* 响应式 */
@media (max-width: 1024px) {
    .biz-cards-grid { grid-template-columns: repeat(2, 1fr); }
    .biz-hero-title { font-size: 2.6rem; }
    .biz-hero-stats { gap: 32px; }
}

@media (max-width: 640px) {
    .biz-cards-grid { grid-template-columns: 1fr; }
    .biz-hero { padding: 100px 0 60px; min-height: auto; }
    .biz-hero-title { font-size: 2rem; }
    .biz-hero-highlight { font-size: 2rem; }
    .biz-hero-stats { flex-direction: column; gap: 18px; padding-top: 20px; }
    .biz-hero-buttons { margin-bottom: 36px; }
}