/* ========== 公司简介新样式 ========== */

/* Hero 区域 */
.about-hero {
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #0A0E1A 0%, #111827 40%, #0F172A 100%);
    padding: 160px 0 100px;
}

.about-hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.hero-gradient-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-gradient-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, transparent 70%);
    bottom: -100px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 70%);
}

.about-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.about-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(37, 99, 235, 0.3);
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: #60A5FA;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
}

.about-hero .badge-dot {
    width: 8px;
    height: 8px;
    background: #60A5FA;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.about-hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 24px;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.hero-subtitle-text {
    font-size: clamp(18px, 2.5vw, 24px);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 60px;
}

.hero-scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    animation: bounce 2s infinite;
}

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

/* 简介区域 */
.about-intro-section {
    padding: 120px 0;
    background: var(--bg-primary);
}

.intro-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 80px;
    align-items: start;
}

.intro-header {
    margin-bottom: 40px;
}

.intro-header .section-tag {
    margin-bottom: 16px;
}

.intro-header h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.intro-text p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 24px;
}

.intro-lead {
    font-size: 19px !important;
    color: var(--text-primary) !important;
    font-weight: 500;
    line-height: 1.8 !important;
}

/* 侧边栏卡片 */
.intro-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 120px;
}

.sidebar-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

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

.sidebar-card.highlight-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.3);
}

.sidebar-card .card-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 20px;
}

.highlight-card .card-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.sidebar-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.highlight-card h4 {
    color: white;
}

.sidebar-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.highlight-card p {
    color: rgba(255, 255, 255, 0.85);
}

/* 核心能力区域 */
.about-features-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.features-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 72px;
}

.features-header .section-tag {
    margin-bottom: 16px;
}

.features-header h2 {
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.features-header p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-slow);
    border: 1px solid var(--border-light);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.feature-card:hover::before {
    opacity: 1;
}

.feature-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 56px;
    font-weight: 800;
    color: var(--border-light);
    line-height: 1;
    transition: color var(--transition-base);
}

.feature-card:hover .feature-number {
    color: var(--primary-subtle);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-subtle);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* 响应式 */
@media (max-width: 1199px) {
    .intro-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .intro-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-card {
        flex: 1;
        min-width: 280px;
    }

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

@media (max-width: 767px) {
    .about-hero {
        min-height: 80vh;
        min-height: 80svh;
        padding: 120px 0 80px;
    }

    .about-hero h1 {
        font-size: 32px;
    }

    .hero-subtitle-text {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .about-intro-section,
    .about-features-section {
        padding: 80px 0;
    }

    .intro-header h2 {
        font-size: 28px;
    }

    .intro-text p {
        font-size: 16px;
    }

    .intro-lead {
        font-size: 17px !important;
    }

    .intro-sidebar {
        flex-direction: column;
    }

    .sidebar-card {
        min-width: 100%;
    }

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

    .features-header {
        margin-bottom: 48px;
    }
}