/* ===== About Page Styles ===== */

body {
    background: #F3F4F8;
}

/* ===== Section 1: Banner ===== */
.about-banner {
    background-color: #DD0000;
    background-image: url('../images/about/banner-bg.webp');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 604px;
    display: flex;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.about-banner>.container {
    position: relative;
    z-index: 2;
}

.about-banner-notice {
    font-size: 18px;
    color: #E4E4E4;
    margin-top: 19px;
    margin-bottom: 108px;
}

.about-banner-content {
    display: flex;
    align-items: center;
    gap: 154px;
}

.about-banner-left {
    flex-shrink: 0;
}

.about-banner-title {
    font-size: 68px;
    font-weight: bold;
    line-height: 1.09;
    margin: 0;
}

.about-banner-brand {
    color: #DD0000;
}

.about-banner-right {
    text-align: right;
    padding-top: 10px;
    flex-shrink: 0;
}

.about-banner-right p {
    font-size: 20px;
    color: #E4E4E4;
    line-height: 1.8;
}

/* ===== Section 2: 数据卡片 (参考 quick-features) ===== */
.about-quick-features {
    background: transparent;
    padding: 0 0 70px 0;
    margin-top: -120px;
    position: relative;
    z-index: 10;
}

.about-quick-features::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: -1;
}

.about-quick-features .quick-features-grid {
    display: flex;
    gap: 32px;
    justify-content: center;
}

.about-quick-features .quick-feature-item {
    width: 315px;
    height: 240px;
    background: #FFFFFF;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: default;
    border: 1px solid #EEEEEE;
}

.about-quick-features .quick-feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.about-quick-features .quick-feature-text h3 {
    font-size: 48px;
    font-weight: bold;
    color: #111111;
    margin-bottom: 33px;
}

.about-quick-features .quick-feature-text p {
    font-size: 16px;
    color: #333;
}

/* ===== Section 3: 公司简介 ===== */
.about-intro {
    background: #F3F4F8;
    padding: 30px 0 210px 0;
}

.about-intro .section-title {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    color: #222222;
    margin-bottom: 33px;
}

.about-intro .section-desc {
    font-size: 24px;
    color: #666666;
    text-align: center;
    margin-bottom: 102px;
    font-weight: 200;
}

.about-intro-content {
    display: flex;
    gap: 46px;
    align-items: flex-start;
}

.about-intro-text {
    flex: 1;
}

.about-intro-text h3 {
    font-size: 24px;
    font-weight: bold;
    color: #1D2129;
    margin-bottom: 66px;
}

.about-intro-text .intro-brand {
    color: #1D2129;
    font-weight: bold;
}

.about-intro-text p {
    font-size: 18px;
    color: #666666;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-intro-image {
    width: 683px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
}

.about-intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

/* ===== Section 4: 资质认证 (参考 diverse-card) ===== */
.about-certifications {
    background: url('../images/about/bg-cert.webp') no-repeat center;
    background-size: cover;
    padding: 87px 0 110px;
}

.about-certifications .section-title {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    color: #222222;
    margin-bottom: 16px;
}

.about-certifications .section-desc {
    font-size: 24px;
    color: #666666;
    font-weight: 200;
    text-align: center;
    margin-bottom: 45px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.cert-card {
    background: #fff;
    border-radius: 16px;
    padding: 72px 16px 40px;
    text-align: center;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    position: relative;
    margin-top: 52px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cert-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.cert-icon {
    position: absolute;
    top: -52px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 20px 16px rgba(255, 66, 66, 0.3));
}

.cert-icon::before {
    content: '';
    width: 94px;
    height: 105px;
    background: #cf2b05;
    clip-path: url(#hex-clip);
}

.cert-icon img {
    filter: brightness(0) invert(1);
    position: absolute;
}

.cert-card:nth-child(1) .cert-icon img {
    width: 48px;
    height: 66px;
    margin-top: 0px;
}

.cert-card:nth-child(2) .cert-icon img {
    width: 60px;
    height: 55px;
    margin-top: 0px;
}

.cert-card:nth-child(3) .cert-icon img {
    width: 57px;
    height: 57px;
    margin-top: 0px;
}

.cert-card:nth-child(4) .cert-icon img {
    width: 58px;
    height: 58px;
    margin-bottom: 10px;
}

.cert-card:nth-child(5) .cert-icon img {
    width: 60px;
    height: 51px;
    margin-top: 10px;
}

.cert-card:nth-child(6) .cert-icon img {
    width: 58px;
    height: 55px;
    margin-top: 0px;
}

.cert-card h3 {
    font-size: 28px;
    font-weight: bold;
    color: #111111;
    margin-bottom: 28px;
}

.cert-card p {
    font-size: 16px;
    color: #666666;
    line-height: 1.6;
    max-width: 766px;
}

/* ===== Section 5: 核心优势 (参考 feature-card) ===== */
.about-advantages {
    background: url('../images/about/bg-advantages.webp') no-repeat center;
    background-size: cover;
    padding: 156px 0 251px 0;
    position: relative;
    overflow: hidden;
}

.about-advantages .section-title {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    color: #FFFFFF;
    margin-bottom: 33px;
}

.about-advantages .section-desc {
    font-size: 24px;
    color: #D9D9D9;
    text-align: center;
    margin-bottom: 97px;
    font-weight: 200;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 15px;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid #FFFFFF;
    border-radius: 12px;
    padding: 0 0 0 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    height: 120px;
    box-sizing: border-box;
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(220, 0, 0, 0.1);
}

.advantage-card:hover .advantage-text h3 {
    color: #B30000;
}

.advantage-icon {
    flex-shrink: 0;
    width: 77px;
    height: 77px;
    border-radius: 50%;
    /*border: 1px solid #F4C91B;*/
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-card:nth-child(1) .advantage-icon img { width: 36px; height: 36px; }
.advantage-card:nth-child(2) .advantage-icon img { width: 36px; height: 36px; }
.advantage-card:nth-child(3) .advantage-icon img { width: 36px; height: 36px; }
.advantage-card:nth-child(4) .advantage-icon img { width: 36px; height: 36px; }
.advantage-card:nth-child(5) .advantage-icon img { width: 36px; height: 36px; }
.advantage-card:nth-child(6) .advantage-icon img { width: 45px; height: 33px; }
.advantage-card:nth-child(7) .advantage-icon img { width: 36px; height: 36px; }
.advantage-card:nth-child(8) .advantage-icon img { width: 36px; height: 36px; }

.advantage-text h3 {
    font-size: 28px;
    font-weight: bold;
    color: #FFFFFF;
    margin-bottom: 13px;
}

.advantage-text p {
    font-size: 16px;
    color: #FFFFFF;
    line-height: 1;
}

/* ===== Section 6: 发展历程 ===== */
.about-timeline {
    background: #fff;
    padding: 106px 0 118px;
}

.about-timeline .section-title {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    color: #1D2129;
    margin-bottom: 32px;
}

.about-timeline .section-desc {
    font-size: 24px;
    color: #666666;
    text-align: center;
    margin-bottom: 131px;
    font-weight: 200;
}

.timeline-wrapper {
    max-width: 1250px;
    margin: 0 auto;
}

.timeline-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    margin-bottom: 50px;
    padding: 0 20px;
}

.timeline-line {
    position: absolute;
    bottom: 9px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: #E0E0E0;
    z-index: 0;
}

.timeline-year {
    position: relative;
    z-index: 1;
    background: transparent;
    color: #1D2129;
    font-size: 24px;
    font-weight: bold;
    padding: 0 8px 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.timeline-year::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #CE0B0B;
    transition: all 0.3s ease;
}

.timeline-year.active {
    color: #DD0000;
    font-weight: 700;
}

.timeline-year.active::after {
    background: #FFF;
    border: 3.15px solid #CE0B0B;
}

.timeline-year:hover:not(.active) {
    color: #DD0000;
}

.timeline-year:hover:not(.active)::after {
    background: #DD0000;
}

.timeline-content {
    position: relative;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-card {
    display: none;
    background: url('../images/about/bg-timeline.webp') no-repeat center;
    background-size: cover;
    border-radius: 16px;
    padding: 68px 0px 71px 66px;
    max-width: 1165px;
    width: 100%;
}

.timeline-card.active {
    display: block;
}

.timeline-card-year {
    font-size: 36px;
    font-weight: bold;
    color: #E00B0B;
    margin-bottom: 36px;
}

.timeline-card-title {
    font-size: 36px;
    font-weight: bold;
    color: #333333;
    margin-bottom: 21px;
}

.timeline-card p {
    font-size: 24px;
    color: #71738C;
    line-height: 1;
}

.timeline-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #E0E0E0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    color: #999;
    z-index: 2;
}

.timeline-arrow:hover {
    border-color: #DD0000;
    color: #DD0000;
}

.timeline-prev {
    left: -80px;
}

.timeline-next {
    right: -80px;
}

/* ===== 核心优势装饰球体 ===== */
.advantages-decor {
    position: relative;
    height: 0;
}

.decor-ball {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, #DD0000, #8B0000);
    box-shadow: 0 4px 20px rgba(220, 0, 0, 0.3);
}

.decor-ball-1 {
    width: 40px;
    height: 40px;
    bottom: 20px;
    right: 80px;
}

.decor-ball-2 {
    width: 20px;
    height: 20px;
    bottom: 60px;
    right: 40px;
}

.decor-ball-3 {
    width: 14px;
    height: 14px;
    bottom: 30px;
    left: 100px;
}

/* ===== Section 7: 专业顾问团队 ===== */
.about-team {
    background: #F3F4F8;
    padding: 100px 0;
}

.about-team .section-title {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    color: #1D2129;
    margin-bottom: 32px;
}

.about-team .section-desc {
    font-size: 24px;
    color: #666;
    font-weight: 200px;
    text-align: center;
    margin-bottom: 84px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.team-member {
    text-align: center;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.team-avatar {
    width: 100%;
    height: 230px;
    overflow: hidden;
    background: #e0e0e0;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-info {
    padding: 20px 24px 28px;
}

.team-member h3 {
    font-size: 28px;
    font-weight: bold;
    color: #111111;
    margin-bottom: 13px;
}

.team-role {
    display: block;
    font-size: 16px;
    color: #E98C07;
    font-weight: bold;
    margin-bottom: 23px;
}

.team-bio {
    font-size: 14px;
    color: #333333;
    line-height: 1.2;
}

/* ===== Section 8: 合作伙伴 ===== */
.about-partners {
    background: #fff;
    padding: 129px 0 71px;
}

.about-partners .section-title {
    font-size: 48px;
    font-weight: bold;
    text-align: center;
    color: #1D2129;
    margin-bottom: 32px;
}

.about-partners .section-desc {
    font-size: 24px;
    font-weight: 200px;
    color: #666;
    text-align: center;
    margin-bottom: 58px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 40px 32px;
    align-items: center;
    justify-items: center;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

.partner-logo img {
    max-height: 142px;
    max-width: 252px;
    transition: all 0.3s ease;
}

.partner-logo img:hover {
    transform: scale(1.05);
}

/* ===== Section 9: 企业社会责任 ===== */
.about-csr {
    background: url('../images/about/bg-csr.webp') no-repeat center;
    background-size: cover;
    padding: 83px 0 173px;
}

.about-csr .section-title {
    font-size: 38px;
    font-weight: bold;
    text-align: center;
    color: #1D2129;
    margin-bottom: 32px;
}

.about-csr .section-desc {
    font-size: 24px;
    font-weight: 200;
    color: #666;
    text-align: center;
    margin-bottom: 98px;
}

.csr-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 69px;
}

.csr-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.csr-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.csr-image {
    height: 220px;
    overflow: hidden;
}

.csr-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.csr-card:hover .csr-image img {
    transform: scale(1.05);
}

.csr-content {
    padding: 28px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.csr-content h3 {
    font-size: 24px;
    font-weight: bold;
    color: #111111;
    margin-bottom: 26px;
}

.csr-content p {
    font-size: 16px;
    color: #333333;
    line-height: 1.5;
    flex: 1;
}

.csr-link {
    margin-top: auto;
    padding-top: 40px;
    font-size: 16px;
    color: #E98C07;
    font-weight: 600;
    transition: opacity 0.3s;
}

.csr-link:hover {
    opacity: 0.7;
}

.csr-detail {
    display: none;
    margin-top: 10px;
}

.csr-detail p {
    font-size: 16px;
    color: #333333;
    line-height: 1.8;
    margin-bottom: 12px;
}

.csr-detail strong {
    color: #333;
}

.csr-card.expanded .csr-content p {
    flex: none;
}

.csr-card.expanded .csr-detail {
    display: block;
}

.csr-card.expanded .csr-link {
    display: none;
}

.csr-collapse {
    display: block;
    text-align: right;
    font-size: 16px;
    color: #E98C07;
    font-weight: 600;
    margin-top: 8px;
    transition: opacity 0.3s;
}

.csr-collapse:hover {
    opacity: 0.7;
}

/* ===== Section 10: CTA (复用 index.css) ===== */
.cta-section {
    background-image: url('../images/backgrounds/bg-geometric-pink.webp');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    padding: 100px 0 126px 0;
}

.cta-content {
    text-align: center;
    position: relative;
}

.cta-coin {
    position: absolute;
    width: 100px;
    height: auto;
}

.cta-coin-left {
    left: 187px;
    top: -29px;
}

.cta-coin-right {
    right: 163px;
    bottom: 20px;
}

.cta-content h2 {
    font-size: 48px;
    font-weight: bold;
    color: #1D2129;
    margin-bottom: 19px;
}

.cta-content p {
    font-size: 24px;
    color: #4E5969;
    margin-bottom: 133px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 39px;
}

.btn-lg {
    padding: 18px 58px;
    font-size: 18px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

/* ===== Responsive: Tablet ===== */
@media (max-width: 1080px) {

    /* Banner */
    .about-banner {
        min-height: auto;
        padding: 40px 0 80px;
    }

    .about-banner-notice {
        margin-top: 10px;
        margin-bottom: 40px;
        font-size: 14px;
    }

    .about-banner-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-banner-title {
        font-size: 36px;
    }

    .about-banner-right {
        text-align: left;
    }

    .about-banner-right p {
        font-size: 15px;
    }

    /* Quick features */
    .about-quick-features {
        margin-top: -50px;
        padding: 0 0 40px;
    }

    .about-quick-features .quick-features-grid {
        flex-wrap: wrap;
        gap: 16px;
    }

    .about-quick-features .quick-feature-item {
        width: calc(50% - 8px);
        height: 140px;
    }

    .about-quick-features .quick-feature-text h3 {
        font-size: 32px;
        margin-bottom: 12px;
    }

    /* Intro */
    .about-intro {
        padding: 30px 0 80px;
    }

    .about-intro .section-title {
        font-size: 32px;
    }

    .about-intro .section-desc {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .about-intro-content {
        flex-direction: column;
    }

    .about-intro-image {
        width: 100%;
    }

    .about-intro-text h3 {
        margin-bottom: 24px;
    }

    /* Certifications */
    .about-certifications {
        padding: 60px 0 80px;
    }

    .about-certifications .section-title {
        font-size: 32px;
    }

    .about-certifications .section-desc {
        font-size: 16px;
    }

    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 16px;
    }

    .cert-card h3 {
        font-size: 20px;
    }

    .cert-card p {
        font-size: 14px;
    }

    /* Advantages */
    .about-advantages {
        padding: 60px 0 80px;
    }

    .about-advantages .section-title {
        font-size: 32px;
    }

    .about-advantages .section-desc {
        font-size: 16px;
        margin-bottom: 40px;
    }

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

    .advantage-card {
        height: auto;
        padding: 16px 20px;
    }

    .advantage-icon {
        width: 56px;
        height: 56px;
    }

    .advantage-text h3 {
        font-size: 20px;
    }

    .advantage-text p {
        font-size: 14px;
    }

    /* Timeline */
    .about-timeline {
        padding: 60px 0;
    }

    .about-timeline .section-title {
        font-size: 32px;
    }

    .about-timeline .section-desc {
        font-size: 16px;
        margin-bottom: 60px;
    }

    .timeline-year {
        font-size: 16px;
        padding: 0 4px 24px;
    }

    .timeline-year::after {
        width: 14px;
        height: 14px;
    }

    .timeline-card {
        padding: 30px 24px;
    }

    .timeline-card-year {
        font-size: 28px;
    }

    .timeline-card-title {
        font-size: 24px;
    }

    .timeline-card p {
        font-size: 16px;
    }

    .timeline-arrow {
        width: 50px;
        height: 50px;
    }

    .timeline-prev {
        left: -10px;
    }

    .timeline-next {
        right: -10px;
    }

    /* Team */
    .about-team {
        padding: 60px 0;
    }

    .about-team .section-title {
        font-size: 32px;
    }

    .about-team .section-desc {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .team-avatar {
        height: 180px;
    }

    .team-member h3 {
        font-size: 20px;
    }

    .team-info {
        padding: 16px 16px 20px;
    }

    /* Partners */
    .about-partners {
        padding: 60px 0;
    }

    .about-partners .section-title {
        font-size: 32px;
    }

    .about-partners .section-desc {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .partner-logo img {
        max-height: 80px;
        max-width: 140px;
    }

    /* CSR */
    .about-csr {
        padding: 60px 0 80px;
    }

    .about-csr .section-title {
        font-size: 32px;
    }

    .about-csr .section-desc {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .csr-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    /* CTA */
    .cta-section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .cta-content p {
        font-size: 18px;
        margin-bottom: 40px;
    }

    .cta-coin {
        display: none;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .btn-lg {
        padding: 14px 40px;
        font-size: 16px;
    }
}

/* ===== Responsive: Mobile ===== */
@media (max-width: 640px) {

    /* Banner */
    .about-banner {
        padding: 24px 0 60px;
    }

    .about-banner-notice {
        font-size: 12px;
        margin-bottom: 24px;
    }

    .about-banner-title {
        font-size: 28px;
    }

    .about-banner-right p {
        font-size: 13px;
    }

    /* Quick features */
    .about-quick-features {
        margin-top: -40px;
    }

    .about-quick-features .quick-feature-item {
        width: calc(50% - 8px);
        height: 100px;
    }

    .about-quick-features .quick-feature-text h3 {
        font-size: 24px;
        margin-bottom: 6px;
    }

    .about-quick-features .quick-feature-text p {
        font-size: 12px;
    }

    /* Intro */
    .about-intro .section-title {
        font-size: 24px;
    }

    .about-intro .section-desc {
        font-size: 14px;
    }

    .about-intro-text h3 {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .about-intro-text p {
        font-size: 14px;
    }

    /* Certifications */
    .cert-grid {
        grid-template-columns: 1fr;
        gap: 50px 0;
    }

    .cert-icon::before {
        width: 80px;
        height: 90px;
    }

    .cert-icon {
        top: -45px;
    }

    .cert-card {
        margin-top: 45px;
        padding-top: 60px;
    }

    .cert-card h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .cert-card p {
        font-size: 13px;
    }

    /* Advantages */
    .about-advantages {
        padding: 40px 0 60px;
    }

    .about-advantages .section-title {
        font-size: 24px;
    }

    .about-advantages .section-desc {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .advantage-card {
        padding: 14px 16px;
        gap: 12px;
    }

    .advantage-icon {
        width: 48px;
        height: 48px;
    }

    .advantage-text h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }

    .advantage-text p {
        font-size: 12px;
    }

    /* Timeline */
    .about-timeline {
        padding: 40px 0;
    }

    .about-timeline .section-title {
        font-size: 24px;
    }

    .about-timeline .section-desc {
        font-size: 14px;
        margin-bottom: 40px;
    }

    .timeline-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        flex-wrap: nowrap;
        padding-bottom: 6px;
    }

    .timeline-year {
        font-size: 14px;
        white-space: nowrap;
        padding: 0 6px 20px;
    }

    .timeline-year::after {
        width: 10px;
        height: 10px;
    }

    .timeline-line {
        bottom: 5px;
    }

    .timeline-card {
        padding: 24px 20px;
    }

    .timeline-card-year {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .timeline-card-title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .timeline-card p {
        font-size: 14px;
        line-height: 1.5;
    }

    .timeline-arrow {
        width: 36px;
        height: 36px;
    }

    .timeline-arrow svg {
        width: 14px;
        height: 14px;
    }

    .timeline-prev {
        left: -5px;
    }

    .timeline-next {
        right: -5px;
    }

    /* Team */
    .about-team .section-title {
        font-size: 24px;
    }

    .about-team .section-desc {
        font-size: 14px;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .team-avatar {
        height: 200px;
    }

    .team-member h3 {
        font-size: 18px;
    }

    .team-role {
        font-size: 14px;
    }

    .team-bio {
        font-size: 13px;
    }

    /* Partners */
    .about-partners .section-title {
        font-size: 24px;
    }

    .about-partners .section-desc {
        font-size: 14px;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .partner-logo img {
        max-height: 50px;
        max-width: 100px;
    }

    /* CSR */
    .about-csr .section-title {
        font-size: 24px;
    }

    .about-csr .section-desc {
        font-size: 14px;
    }

    .csr-image {
        height: 160px;
    }

    .csr-content h3 {
        font-size: 18px;
    }

    .csr-content p {
        font-size: 14px;
    }

    .csr-link {
        font-size: 14px;
        padding-top: 24px;
    }

    /* CTA */
    .cta-content h2 {
        font-size: 24px;
    }

    .cta-content p {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .cta-buttons {
        gap: 12px;
    }

    .btn-lg {
        padding: 12px 32px;
        font-size: 14px;
    }
}