/* ===== 关于我们页专用样式 ===== */

/* Banner */
.page-banner {
    position: relative;
    padding: 160px 40px 80px;
    text-align: center;
    overflow: hidden;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}
.banner-bg {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 80%, rgba(0, 212, 255, 0.12) 0%, transparent 65%);
}
.banner-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}
.banner-container { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
.banner-title { font-size: 3rem; font-weight: 900; margin: 16px 0 20px; }
.banner-desc { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; max-width: 600px; margin: 0 auto 24px; }
.breadcrumb { display: inline-flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--text-muted); }

/* ===== 公司介绍 ===== */
.about-intro-section {
    padding: 100px 0;
    background: var(--bg-primary);
}
.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}

/* 左侧可视化 */
.company-visual {
    position: relative;
    width: 420px;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}
.cv-bg-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    animation: spin linear infinite;
}
.ring-a {
    width: 300px; height: 300px;
    border-color: rgba(0, 212, 255, 0.2);
    animation-duration: 15s;
}
.ring-b {
    width: 380px; height: 380px;
    border-color: rgba(0, 255, 213, 0.12);
    border-style: dashed;
    animation-duration: 25s;
    animation-direction: reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }

.cv-center {
    position: relative;
    z-index: 2;
    width: 180px; height: 180px;
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    text-align: center;
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.12);
}
.cv-center p { font-size: 0.9rem; font-weight: 700; color: var(--primary); margin: 0; }

.cv-data {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 18px;
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    z-index: 3;
    animation: float 4s ease-in-out infinite;
}
.cv-data.d1 { top: 30px; right: 30px; animation-delay: 0s; }
.cv-data.d2 { bottom: 50px; left: 20px; animation-delay: 1.5s; }
.cv-data.d3 { bottom: 30px; right: 20px; animation-delay: 0.8s; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.cv-num { font-size: 1.3rem; font-weight: 800; color: var(--primary); line-height: 1; }
.cv-lbl { font-size: 0.75rem; color: var(--text-secondary); white-space: nowrap; }

/* 右侧内容 */
.about-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 18px;
}
.about-certs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}
.cert-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--primary);
}
.cert-icon { font-size: 0.9rem; }

/* ===== 发展历程 ===== */
.timeline-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, rgba(0,212,255,0.4) 10%, rgba(0,212,255,0.4) 90%, transparent);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 48px;
    position: relative;
}
.timeline-item.left { justify-content: flex-end; padding-right: calc(50% + 40px); }
.timeline-item.right { justify-content: flex-start; padding-left: calc(50% + 40px); }

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--primary);
    z-index: 1;
    transition: var(--transition);
}
.timeline-dot-active {
    background: var(--primary);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.8);
    width: 18px; height: 18px;
    top: 18px;
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 26px;
    max-width: 380px;
    transition: var(--transition);
}
.timeline-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}
.timeline-card-active {
    border-color: rgba(0, 212, 255, 0.4);
    background: rgba(0, 212, 255, 0.04);
}

.timeline-year {
    display: inline-block;
    font-size: 1.3rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}
.timeline-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.timeline-card p {
    font-size: 0.86rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== 核心团队 ===== */
.team-section {
    padding: 100px 0;
    background: var(--bg-primary);
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}
.team-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}
.team-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.08);
    border: 2px solid rgba(0, 212, 255, 0.25);
    margin: 0 auto 18px;
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem;
}
.team-name { font-size: 1.05rem; font-weight: 700; margin-bottom: 5px; }
.team-role { font-size: 0.82rem; color: var(--primary); margin-bottom: 14px; }
.team-bio { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== 核心优势区域样式 ===== */
.capabilities-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(0, 212, 255, 0.03) 100%);
}
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.capability-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 28px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), rgba(0, 255, 136, 0.6));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}
.capability-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08), 0 0 30px rgba(0, 212, 255, 0.06);
}
.capability-card:hover::before {
    transform: scaleX(1);
}
.capability-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 136, 0.06));
    border-radius: 20px;
}
.capability-icon-manufacture {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.06));
}
.capability-icon-product {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(251, 191, 36, 0.06));
}
.capability-icon-global {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(52, 211, 153, 0.06));
}
.icon-symbol {
    font-size: 2.5rem;
    position: relative;
    z-index: 2;
}
.icon-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 20px;
}
.capability-card:hover .icon-glow {
    opacity: 0.1;
}
.capability-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 14px;
}
.capability-desc {
    font-size: 0.87rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 20px;
}
.capability-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}
.feature-tag {
    padding: 5px 14px;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 16px;
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 500;
}
.capability-stats {
    display: flex;
    gap: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.stat-box {
    flex: 1;
    text-align: center;
}
.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.stat-text {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== 企业文化 ===== */
.culture-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}
.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.culture-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}
.culture-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}
.culture-icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
    display: block;
    filter: drop-shadow(0 0 10px rgba(0,212,255,0.4));
}
.culture-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}
.culture-card p {
    font-size: 0.87rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .about-intro-grid { grid-template-columns: 1fr; gap: 50px; }
    .company-visual { margin: 0 auto; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .culture-grid { grid-template-columns: repeat(2, 1fr); }
    .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
    .banner-title { font-size: 2.4rem; }
}

@media (max-width: 768px) {
    .page-banner { padding: 120px 20px 60px; }
    .banner-title { font-size: 1.9rem; }
    .company-visual { width: 300px; height: 300px; }
    .ring-a { width: 220px; height: 220px; }
    .ring-b { width: 280px; height: 280px; }
    .cv-center { width: 130px; height: 130px; }
    .timeline::before { left: 18px; }
    .timeline-item.left, .timeline-item.right {
        justify-content: flex-start;
        padding-left: 50px;
        padding-right: 0;
    }
    .timeline-dot { left: 18px; }
    .team-grid { grid-template-columns: 1fr; }
    .culture-grid { grid-template-columns: 1fr; }
    .capabilities-grid { grid-template-columns: 1fr; }
}