/* ============ 公司介绍 ============ */
.about-intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 70px;
    align-items: center;
}

.about-text p {
    font-size: 15.5px;
    color: var(--text-regular);
    line-height: 2;
    margin-bottom: 18px;
}

.about-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
    padding: 36px 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(14, 107, 176, 0.3);
}

.about-metric {
    text-align: center;
    color: #fff;
    padding: 0 10px;
    position: relative;
}

.about-metric:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.metric-num {
    display: block;
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
}

.about-image-wrap {
    position: relative;
}

.about-image-wrap img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(14, 107, 176, 0.2);
    position: relative;
    z-index: 2;
}

.img-decor {
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 70%;
    height: 70%;
    border: 3px solid var(--primary);
    border-radius: var(--radius-lg);
    z-index: 1;
    opacity: 0.4;
}

@media (max-width: 1024px) {
    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .about-image-wrap img { height: 360px; }
}

@media (max-width: 640px) {
    .about-metrics { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .about-metric:nth-child(2)::after { display: none; }
    .metric-num { font-size: 32px; }
}

/* ============ 使命与理念 ============ */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.mission-card {
    background: #fff;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.mission-icon {
    width: 76px;
    height: 76px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin: 0 auto 24px;
    box-shadow: 0 12px 24px rgba(14, 107, 176, 0.25);
    transition: var(--transition);
}

.mission-card:hover .mission-icon {
    transform: scale(1.1) rotate(-5deg);
}

.mission-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 14px;
}

.mission-card p {
    font-size: 14.5px;
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

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

@media (max-width: 640px) {
    .mission-grid { grid-template-columns: 1fr; }
}

/* ============ 公司优势 ============ */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 24px;
    padding: 32px 28px;
    background: #fff;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--primary);
    transition: height 0.4s ease;
}

.advantage-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.advantage-item:hover::before {
    height: 100%;
}

.advantage-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-lighter);
    line-height: 1;
    flex-shrink: 0;
    transition: var(--transition);
}

.advantage-item:hover .advantage-num {
    color: var(--primary);
}

.advantage-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.advantage-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

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

@media (max-width: 640px) {
    .advantage-grid { grid-template-columns: 1fr; }
}

/* ============ 客户痛点 ============ */
.painpoint-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.painpoint-item {
    display: flex;
    gap: 16px;
    padding: 28px 24px;
    background: #fff;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.painpoint-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.painpoint-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-lighter);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.painpoint-item:hover .painpoint-icon {
    background: var(--primary);
    color: #fff;
}

.painpoint-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.painpoint-item p {
    font-size: 13.5px;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

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

@media (max-width: 640px) {
    .painpoint-grid { grid-template-columns: 1fr; }
}

/* ============ 办公环境 ============ */
.office-gallery {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 200px 200px;
    gap: 20px;
}

.gallery-item {
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-large {
    grid-row: span 2;
}

.gallery-item:nth-child(2) { grid-column: 2; grid-row: 1; }
.gallery-item:nth-child(3) { grid-column: 3; grid-row: 1; }
.gallery-item:nth-child(4) { grid-column: 2; grid-row: 2; }
.gallery-item:nth-child(5) { grid-column: 3; grid-row: 2; }

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(14, 107, 176, 0.8) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 24px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 1px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-overlay span {
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .office-gallery {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: repeat(3, 200px);
    }
    .gallery-large {
        grid-row: span 1;
        grid-column: span 2;
    }
    .gallery-item:nth-child(2),
    .gallery-item:nth-child(3),
    .gallery-item:nth-child(4),
    .gallery-item:nth-child(5) {
        grid-column: auto;
        grid-row: auto;
    }
}

@media (max-width: 640px) {
    .office-gallery {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, 220px);
    }
    .gallery-large {
        grid-column: 1;
        grid-row: 1;
    }
}

/* ============ CTA ============ */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-content h2 {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

@media (max-width: 900px) {
    .cta-inner { flex-direction: column; text-align: center; padding: 60px 0; }
    .cta-content h2 { font-size: 28px; }
}