/* === ABOUT 内嵌套 WHY CHOOSE US（紧凑版）=== */
.about-why-title {
    font-size: 16.5px;
    font-weight: 800;
    color: var(--c-title);
    margin: 0 0 12px;
    padding-top: 6px;
    border-top: 1px dashed var(--c-line);
}
.about-why-title::before {
    content: '✅ ';
    font-size: 15px;
}
.about-why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 0 0 6px;
}
.about-why-grid .why-card {
    padding: 14px 14px 13px;
    border-left: 3px solid var(--c-primary);
    border-radius: 0 10px 10px 0;
    background: #fff;
    border-top: 1px solid var(--c-primary-l);
    border-right: 1px solid var(--c-primary-l);
    border-bottom: 1px solid var(--c-primary-l);
}
.about-why-grid .why-icon { font-size: 20px; margin-bottom: 6px; }
.about-why-grid .why-title { font-size: 13.5px; margin-bottom: 4px; }
.about-why-grid .why-desc { font-size: 12px; line-height: 1.55; }


/* =================================================================
   ===== ABOUT 板块内嵌 CERTIFICATIONS（紧凑版）=====
   ================================================================= */
.about-certs {
    margin-top: 16px;
    border: 1px dashed rgba(245,158,11,.35);
    background: linear-gradient(135deg, rgba(255,248,230,.55), rgba(255,255,255,.9));
    border-radius: var(--r-md);
    padding: 14px 16px;
    display: flex;
    gap: 18px;
    align-items: center;
}
.about-certs-hd { flex: 1.05; }
.about-certs-hd h3 {
    font-size: 15px;
    font-weight: 800;
    color: var(--c-title);
    line-height: 1.3;
    margin-bottom: 5px;
}
.about-certs-hd p {
    font-size: 12px;
    color: var(--c-muted);
    line-height: 1.6;
    margin: 0 0 9px;
}
.about-certs-grid {
    flex: 1.1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.about-cert {
    border-radius: var(--r-sm);
    background: #fff;
    border: 1px solid var(--c-line);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 6px 8px;
    transition: all .25s ease;
}
.about-cert:hover {
    transform: translateY(-2px);
    box-shadow: var(--sh-sm);
    border-color: var(--c-primary);
}
.ac-seal {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 10.5px; font-weight: 900;
    box-shadow: 0 2px 7px rgba(22,93,255,.25);
    letter-spacing: .01em;
}
.ac-name {
    font-size: 9.5px;
    font-weight: 800;
    color: var(--c-title);
    line-height: 1.15;
    text-align: center;
}
.ac-sub {
    font-size: 7.5px;
    color: var(--c-faint);
    text-transform: uppercase;
    letter-spacing: .04em;
    text-align: center;
    line-height: 1.1;
}
@media (max-width: 960px) {
    .about-certs { flex-direction: column; align-items: stretch; gap: 14px; padding: 16px; }
    .about-certs-hd { flex: none; }
    .about-certs-hd h3 { font-size: 16px; }
    .about-certs-grid { flex: none; }
}
@media (max-width: 560px) {
    .about-certs-grid { grid-template-columns: repeat(2, 1fr); }
}


/* ================================================================
   ABOUT PAGE 关于我们页面
   ================================================================ */

/* --- 公司介绍 --- */
.about-hero-wrap {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}
.about-hero-text .section-label {
    display: block;
    width: fit-content;
    margin: 0 auto 12px;
}
.about-hero-text .h2-title {
    margin-bottom: 20px;
    font-size: 34px;
}
.about-hero-text p {
    font-size: 15.5px;
    color: var(--c-text);
    line-height: 1.8;
    margin-bottom: 14px;
}
.about-hero-chips {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 24px;
}
.cert-chip {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 7px 16px;
    background: #dbeafe;
    color: var(--c-primary-d);
    border-radius: var(--r-xl);
    font-size: 13px;
    font-weight: 600;
    border: 1px solid #bfdbfe;
    text-align: center;
    line-height: 1.4;
}
.about-hero-img {
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--sh-md);
    aspect-ratio: 5 / 6;
}
.about-hero-img svg {
    display: block;
    width: 100%;
    height: 100%;
}
.about-hero-img img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    display: block;
}

/* --- 数据统计（About页面专用）--- */
.archive-about .about-stats,
.page-template-about .about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 40px;
    background: #dbeafe;
    border-radius: var(--r-lg);
    border: 1px solid #bfdbfe;
    box-shadow: 0 4px 20px rgba(22, 93, 255, 0.1);
}

/* --- 能力/范围清单（Industries页面专用）--- */
.archive-industries .about-scope {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 20px 22px;
    background: #f1f5f9;
    border-radius: var(--r-md);
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}
.archive-industries .about-scope-item { font-size: 13.5px; }
.stat-item {
    text-align: center;
}
.stat-num {
    font-size: 38px;
    font-weight: 800;
    color: var(--c-primary);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label {
    font-size: 13.5px;
    color: var(--c-muted);
    font-weight: 500;
}

/* --- 特色优势 --- */
.about-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 10px;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: 32px 26px;
    text-align: center;
    transition: all .3s ease;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-md);
    border-color: var(--c-primary-l);
}
.feature-icon {
    font-size: 42px;
    margin-bottom: 18px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-title);
    margin-bottom: 12px;
}
.feature-card p {
    font-size: 14px;
    color: var(--c-muted);
    line-height: 1.7;
    margin: 0;
}

/* --- 工厂展示 --- */
.factory-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 16px;
    margin-top: 10px;
}
.factory-item {
    position: relative;
    border-radius: var(--r-md);
    overflow: hidden;
    background: var(--c-bg-soft);
    transition: all .3s ease;
}
.factory-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--sh-md);
}
.factory-item.wide {
    grid-column: span 1;
    grid-row: span 2;
    aspect-ratio: auto;
    width: 100%;
    height: 100%;
}
.factory-item svg {
    display: block;
    width: 100%;
    height: 100%;
}
.factory-item:not(.wide) {
    aspect-ratio: 4 / 3;
}
.factory-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 18px 14px;
    background: linear-gradient(to top, rgba(0,0,0,.75), transparent);
    color: #fff;
    font-size: 13.5px;
    font-weight: 600;
}

/* --- 证书轮播 --- */
.cert-carousel-wrap {
    position: relative;
    overflow: hidden;
    margin-top: 10px;
}
.cert-carousel {
    display: flex;
    animation: certScroll 30s linear infinite;
}
.cert-carousel:hover {
    animation-play-state: paused;
}
@keyframes certScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}
.cert-slide {
    flex: 0 0 auto;
    width: 280px;
    padding: 0 12px;
    box-sizing: border-box;
}
.cert-slide-img {
    background: #fff;
    border-radius: var(--r-lg);
    overflow: hidden;
    margin-bottom: 12px;
    box-shadow: var(--sh-sm);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    box-sizing: border-box;
}
.cert-slide-img img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}
.cert-slide-info {
    text-align: center;
}
.cert-slide-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--c-title);
    margin-bottom: 6px;
}
.cert-slide-info p {
    font-size: 13px;
    color: var(--c-muted);
    margin: 0;
}

/* --- 质量控制流程 --- */
.qc-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 10px;
}
.qc-step {
    position: relative;
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: 32px 28px 28px;
    transition: all .3s ease;
}
.qc-step:hover {
    transform: translateY(-3px);
    box-shadow: var(--sh-md);
    border-color: var(--c-primary-l);
}
.qc-step-num {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 36px;
    font-weight: 800;
    color: var(--c-primary);
    opacity: .18;
    line-height: 1;
}
.qc-step h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-title);
    margin-bottom: 12px;
    padding-right: 40px;
}
.qc-step p {
    font-size: 14px;
    color: var(--c-muted);
    line-height: 1.7;
    margin: 0;
}

/* --- 响应式 --- */
@media (max-width: 960px) {
    .about-hero-wrap {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-hero-img {
        max-width: 500px;
        margin: 0 auto;
    }
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        padding: 32px 24px;
    }
    .stat-num {
        font-size: 32px;
    }
    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }
    .factory-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .factory-item.wide {
        grid-column: span 2;
        grid-row: span 1;
    }
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .qc-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .about-hero-text .h2-title {
        font-size: 26px;
    }
    .about-stats {
        gap: 16px;
        padding: 24px 16px;
    }
    .stat-num {
        font-size: 26px;
    }
    .stat-label {
        font-size: 12px;
    }
    .about-features {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .factory-grid {
        grid-template-columns: 1fr;
    }
    .factory-item.wide {
        grid-column: span 1;
    }
    .cert-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .qc-steps {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .qc-step {
        padding: 24px 20px 22px;
    }
}