/* ============ About Page ============ */
body {
    background: linear-gradient(180deg, #eef3fc 0%, #fafafa 100%);
}

/* ============ Hero Banner ============ */
.about-hero {
    position: relative;
    margin-top: var(--nav-h);
    height: calc(100vh - var(--nav-h) - 120px);
    min-height: 460px;
    overflow: hidden;
}

.about-hero .hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: aboutHeroZoom 8s ease-out forwards;
}

@keyframes aboutHeroZoom {
    from {
        transform: scale(1);
    }

    to {
        transform: scale(1.08);
    }
}

.about-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(6, 18, 40, 0.74) 0%, rgba(6, 18, 40, 0.46) 45%, rgba(6, 18, 40, 0.12) 100%);
}

.about-hero .hero-inner {
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 620px;
    color: #fff;
}

.about-hero .hero-label {
    font-size: 14px;
    letter-spacing: 6px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 18px;
    opacity: 0;
    transform: translateY(24px);
    animation: aboutFadeUp 0.8s 0.2s forwards;
}

.about-hero .hero-title {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: 8px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(24px);
    animation: aboutFadeUp 0.8s 0.35s forwards;
}

.about-hero .hero-divider {
    width: 60px;
    height: 3px;
    background: var(--color1);
    margin-bottom: 22px;
    opacity: 0;
    animation: aboutFadeUp 0.8s 0.5s forwards;
}

.about-hero .hero-desc {
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.85);
    max-width: 500px;
    opacity: 0;
    transform: translateY(24px);
    animation: aboutFadeUp 0.8s 0.65s forwards;
}

@keyframes aboutFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-hero .hero-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 170px;
    background: linear-gradient(180deg, transparent 0%, #eef3fc 100%);
    z-index: 1;
}

/* ============ Main ============ */
.about-page {
    max-width: 1440px;
    margin: -100px auto 0;
    padding: 0 24px 100px;
    position: relative;
    z-index: 2;
}

.about-card {
    background: #fff;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.04);
    box-shadow: 0 16px 48px -16px rgba(15, 23, 42, 0.16), 0 2px 8px rgba(15, 23, 42, 0.05);
    padding: 54px 52px 50px;
}

/* ============ Head Row（左标题 + 右分类） ============ */
.about-head-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 36px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eef1f6;
}

/* ============ Intro Head ============ */
.about-intro-head {
    flex-shrink: 0;
    text-align: left;
}

.about-intro-head .about-intro-deco {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.about-intro-head .deco-line {
    width: 36px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(26, 86, 219, 0.55));
}

.about-intro-head .deco-line:last-child {
    background: linear-gradient(270deg, transparent, rgba(26, 86, 219, 0.55));
}

.about-intro-head .deco-diamond {
    width: 9px;
    height: 9px;
    transform: rotate(45deg);
    border: 2px solid var(--color1);
    border-radius: 2px;
}

.about-intro-head .about-intro-label {
    display: block;
    font-size: 12px;
    letter-spacing: 5px;
    color: var(--color1);
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.about-intro-head h2 {
    font-size: 26px;
    font-weight: 700;
    color: #17233e;
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.about-intro-head p {
    font-size: 13px;
    color: #8a94a8;
    letter-spacing: 1px;
}

/* ============ Tabs ============ */
.about-tabs {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 12px;
}

.tab-btn {
    padding: 12px 30px;
    border: 1px solid rgba(26, 86, 219, 0.25);
    border-radius: 999px;
    background: #f8fafd;
    color: #42506a;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.3s;
    box-shadow: 0 4px 14px -6px rgba(15, 23, 42, 0.1);
}

.tab-btn:hover {
    border-color: var(--color1);
    color: var(--color1);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--color1), #3d7bfd);
    border-color: var(--color1);
    color: #fff;
    box-shadow: 0 10px 24px -8px rgba(26, 86, 219, 0.55);
}

/* ============ Panels ============ */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: panelIn 0.45s ease both;
}

@keyframes panelIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============ Panel Head ============ */
.panel-head {
    text-align: center;
    margin-bottom: 34px;
}

.panel-head .p-label {
    display: block;
    font-size: 12px;
    letter-spacing: 5px;
    color: var(--color1);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.panel-head h3 {
    font-size: 30px;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.panel-head p {
    font-size: 14px;
    color: #8a94a8;
    letter-spacing: 1px;
}

.panel-note {
    margin-top: 30px;
    text-align: center;
    font-size: 14px;
    color: #8a94a8;
    letter-spacing: 1px;
    line-height: 1.8;
}

/* ============ 通用标题 ============ */
.about-title {
    font-size: 26px;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: 1px;
    margin-bottom: 18px;
    padding-left: 16px;
    position: relative;
}

.about-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--color1), #5b9cff);
}

/* ============ 企业介绍 ============ */
.intro-row {
    display: flex;
    align-items: center;
    gap: 52px;
    margin-bottom: 34px;
}

.intro-media {
    flex: 0 0 46%;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 24px 50px -20px rgba(15, 23, 42, 0.3);
}

.intro-media img {
    display: block;
    width: 100%;
    height: 340px;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.intro-media:hover img {
    transform: scale(1.05);
}

.intro-body {
    flex: 1;
    min-width: 0;
}

.intro-body p {
    font-size: 14px;
    line-height: 1.9;
    color: #5a6472;
    margin-bottom: 12px;
    text-align: justify;
}

.about-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 11px 26px;
    background: linear-gradient(135deg, var(--color1), #3d7bfd);
    color: #fff;
    font-size: 14px;
    letter-spacing: 2px;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(26, 86, 219, 0.3);
    transition: all 0.3s;
}

.about-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(26, 86, 219, 0.42);
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 34px;
}

.stat-item {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.04);
    border-radius: 14px;
    padding: 24px 16px;
    text-align: center;
    box-shadow: 0 8px 24px -14px rgba(15, 23, 42, 0.14);
    transition: all 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px -14px rgba(26, 86, 219, 0.28);
    border-color: rgba(26, 86, 219, 0.2);
}

.stat-num {
    font-size: 34px;
    font-weight: 700;
    color: var(--color1);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-num span {
    font-size: 18px;
    font-weight: 600;
}

.stat-label {
    font-size: 13px;
    color: #8a94a8;
    letter-spacing: 2px;
}

.intro-sustain {
    padding: 36px 40px;
    background: linear-gradient(135deg, #f6f9ff, #eef3fc);
    border-radius: 18px;
    border-left: 4px solid var(--color1);
}

.intro-sustain .about-title {
    margin-bottom: 12px;
}

.intro-sustain .sustain-lead {
    font-size: 15px;
    font-weight: 600;
    color: var(--color1);
    letter-spacing: 1px;
    margin-bottom: 14px;
}

.intro-sustain p {
    font-size: 14px;
    line-height: 1.9;
    color: #5a6472;
    text-align: justify;
}

/* ============ 核心团队 ============ */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.team-photo {
    margin: 0;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.04);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px -14px rgba(15, 23, 42, 0.14);
    transition: all 0.35s;
    cursor: pointer;
}

.team-photo:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 44px -18px rgba(26, 86, 219, 0.32);
    border-color: rgba(26, 86, 219, 0.2);
}

.team-photo-img {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.team-photo-img img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.team-photo:hover .team-photo-img img {
    transform: scale(1.06);
}

.team-photo-img .photo-zoom {
    position: absolute;
    right: 14px;
    bottom: 14px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 6px 16px rgba(6, 18, 40, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s;
}

.team-photo:hover .photo-zoom {
    opacity: 1;
    transform: scale(1);
}

.team-photo-img .photo-zoom svg {
    width: 18px;
    height: 18px;
    fill: var(--color1);
}

.team-photo figcaption {
    padding: 16px 14px 18px;
    text-align: center;
}

.team-photo figcaption h4 {
    font-size: 17px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 6px;
    letter-spacing: 2px;
}

.team-photo figcaption p {
    font-size: 12px;
    color: #8a94a8;
    letter-spacing: 1px;
}

/* ============ 团队风采 ============ */
.style-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.style-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 14px 34px -18px rgba(15, 23, 42, 0.28);
    cursor: pointer;
}

.style-item img {
    display: block;
    width: 100%;
    height: 210px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.style-item:hover img {
    transform: scale(1.08);
}

.style-item figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 28px 16px 12px;
    background: linear-gradient(180deg, transparent, rgba(6, 18, 40, 0.72));
    color: #fff;
    font-size: 13px;
    letter-spacing: 2px;
    text-align: center;
    font-weight: 600;
}

/* ============ 科学管理 ============ */
.manage-flow {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 40px;
    padding: 30px 26px;
    background: linear-gradient(135deg, #f6f9ff, #eef3fc);
    border-radius: 18px;
}

.manage-flow .flow-item {
    flex: 1;
    text-align: center;
    padding: 8px 4px;
}

.manage-flow .flow-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color1), #3d7bfd);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 12px;
    box-shadow: 0 8px 18px -8px rgba(26, 86, 219, 0.55);
}

.manage-flow .flow-name {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.manage-flow .flow-item p {
    font-size: 12px;
    color: #8a94a8;
    line-height: 1.6;
}

.manage-flow .flow-arrow {
    align-self: center;
    width: 34px;
    height: 2px;
    position: relative;
    background: linear-gradient(90deg, rgba(26, 86, 219, 0.2), rgba(26, 86, 219, 0.8));
    border-radius: 2px;
    flex-shrink: 0;
    margin-top: 30px;
}

.manage-flow .flow-arrow::after {
    content: '';
    position: absolute;
    right: -2px;
    top: -3px;
    width: 8px;
    height: 8px;
    border-top: 2px solid var(--color1);
    border-right: 2px solid var(--color1);
    transform: rotate(45deg);
}

.manage-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.point-item {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.04);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px -14px rgba(15, 23, 42, 0.14);
    transition: all 0.3s;
}

.point-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px -16px rgba(26, 86, 219, 0.28);
}

.point-item .point-media {
    position: relative;
    height: 210px;
    overflow: hidden;
}

.point-item .point-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.point-item:hover .point-media img {
    transform: scale(1.06);
}

.point-item .point-media .point-num {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color1), #3d7bfd);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 14px -6px rgba(26, 86, 219, 0.6);
}

.point-item .point-body {
    padding: 26px 28px 30px;
}

.point-item .point-body h4 {
    font-size: 19px;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.point-item .point-body p {
    font-size: 14px;
    line-height: 1.9;
    color: #7a8699;
    text-align: justify;
}

/* ============ 工厂实景 瀑布流 ============ */
.factory-masonry {
    columns: 3;
    column-gap: 22px;
}

.factory-item {
    margin: 0 0 22px;
    break-inside: avoid;
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 14px 34px -18px rgba(15, 23, 42, 0.3);
    cursor: pointer;
}

.factory-item img {
    display: block;
    width: 100%;
    transition: transform 0.6s ease;
}

.factory-item:hover img {
    transform: scale(1.06);
}

.factory-item figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 26px 14px 12px;
    background: linear-gradient(180deg, transparent, rgba(6, 18, 40, 0.72));
    color: #fff;
    font-size: 13px;
    letter-spacing: 2px;
    text-align: center;
    font-weight: 600;
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
    .manage-flow {
        flex-wrap: wrap;
    }

    .manage-flow .flow-item {
        flex: 0 0 calc(33.33% - 20px);
    }

    .manage-flow .flow-arrow {
        display: none;
    }
}

@media (max-width: 900px) {
    .about-hero {
        height: 460px;
        min-height: 0;
    }

    .about-hero .hero-inner {
        left: 6%;
        max-width: 88%;
    }

    .about-hero .hero-label {
        font-size: 12px;
        letter-spacing: 4px;
    }

    .about-hero .hero-title {
        font-size: 32px;
        letter-spacing: 4px;
    }

    .about-hero .hero-desc {
        font-size: 13px;
    }

    .about-hero .hero-fade {
        height: 110px;
    }

    .about-page {
        margin-top: -76px;
        padding: 0 16px 60px;
    }

    .about-card {
        padding: 30px 20px;
    }

    .about-head-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        margin-bottom: 26px;
        padding-bottom: 22px;
    }

    .about-tabs {
        width: 100%;
        justify-content: flex-start;
        gap: 8px;
        margin-bottom: 0;
    }

    .tab-btn {
        padding: 10px 18px;
        font-size: 13px;
        letter-spacing: 1px;
    }

    .intro-row {
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
    }

    .intro-media {
        flex: none;
        width: 100%;
    }

    .intro-media img {
        height: 210px;
    }

    .intro-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .intro-sustain {
        padding: 26px 20px;
    }

    .panel-head h3 {
        font-size: 24px;
    }

    .team-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .team-photo-img {
        height: 240px;
    }

    .team-photo figcaption {
        padding: 12px 10px 14px;
    }

    .style-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .style-item img {
        height: 150px;
    }

    .factory-masonry {
        columns: 2;
        column-gap: 14px;
    }

    .factory-item {
        margin-bottom: 14px;
    }

    .manage-flow {
        flex-direction: column;
        gap: 18px;
    }

    .manage-flow .flow-item {
        flex: none;
    }

    .manage-points {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

@media (max-width: 560px) {
    .factory-masonry {
        columns: 1;
    }
}