.page-about {
    color: #333333;
    background-color: #F4F7FB;
    overflow-x: hidden;
}

.page-about__hero-section {
    width: 100%;
    background: linear-gradient(135deg, #EAF0FF 0%, #FFFFFF 100%);
    padding-top: 16px;
}

.page-about__hero-image-wrapper {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 16px;
}

.page-about__hero-image {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 17 / 5;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(47, 107, 255, 0.15);
}

.page-about__hero-content {
    max-width: 900px;
    width: 100%;
    margin: -40px auto 0 auto;
    padding: 24px 24px 32px;
    text-align: center;
    position: relative;
    z-index: 1;
}
.page-about__hero-content::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.85);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.06);
    backdrop-filter: blur(4px);
    z-index: -1;
}

.page-about__main-title {
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.5px;
    color: #1F2D3D;
    max-width: 800px;
    margin: 0 auto 12px;
}

.page-about__hero-desc {
    font-size: 1.02rem;
    line-height: 1.7;
    color: #1F2D3D;
    max-width: 720px;
    margin: 0 auto;
}

.page-about__story-section {
    background: #FFFFFF;
    padding: 48px 0;
}

.page-about__story-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.page-about__story-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1F2D3D;
    margin-bottom: 16px;
    position: relative;
}

.page-about__story-content p {
    line-height: 1.8;
    color: #333333;
    margin-bottom: 16px;
}

.page-about__story-image img {
    width: 100%;
    height: auto;
    max-width: 800px;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    border-radius: 16px;
    display: block;
    margin: 0 auto;
}

.page-about__mission-section {
    background-color: #F4F7FB;
    padding: 56px 16px;
}

.page-about__section-title {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #1F2D3D;
    margin-bottom: 40px;
}

.page-about__mission-cards {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.page-about__mission-card {
    background: #FFFFFF;
    border: 1px solid #D6E2FF;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(47,107,255,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__mission-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(47,107,255,0.12);
}

.page-about__mission-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1F2D3D;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 3px solid #2F6BFF;
    display: inline-block;
}

.page-about__mission-card p {
    color: #333333;
    line-height: 1.75;
    font-size: 0.95rem;
}

.page-about__brand-section {
    background: #FFFFFF;
    padding: 56px 0;
}

.page-about__brand-heading {
    max-width: 1200px;
    margin: 0 auto 48px;
    text-align: center;
    padding: 0 16px;
}

.page-about__brand-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1F2D3D;
    margin-bottom: 12px;
}

.page-about__brand-desc {
    color: #333333;
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.7;
}

.page-about__brand-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px 20px;
    justify-items: center;
}

.page-about__brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 280px;
    background: #F4F7FB;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: box-shadow 0.3s ease;
}

.page-about__brand-item:hover {
    box-shadow: 0 8px 20px rgba(47,107,255,0.1);
}

.page-about__brand-logo {
    width: 100%;
    height: auto;
    aspect-ratio: 2 / 1;
    object-fit: contain;
    border-radius: 8px;
}

.page-about__brand-cta {
    display: inline-block;
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    color: #FFFFFF;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 24px;
    border-radius: 999px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(47,107,255,0.25);
}

.page-about__brand-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(47,107,255,0.35);
}

.page-about__brand-item:nth-child(5) {
    grid-column: 2;
}

.page-about__brand-item:nth-child(6) {
    grid-column: 3;
}

.page-about__stats-section {
    background: linear-gradient(135deg, #2F6BFF 0%, #6FA3FF 100%);
    padding: 48px 16px;
}

.page-about__stats-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.page-about__stat-card {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255,255,255,0.25);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 28px 16px;
    text-align: center;
    transition: background 0.3s ease;
}

.page-about__stat-card:hover {
    background: rgba(255,255,255,0.2);
}

.page-about__stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: #FFFFFF;
}

.page-about__stat-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 8px;
}

.page-about__guide-section {
    background: #FFFFFF;
    padding: 56px 0;
}

.page-about__guide-title {
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 0 16px;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #1F2D3D;
}

.page-about__guide-list {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.page-about__guide-item {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: #F4F7FB;
    border-radius: 16px;
    padding: 24px;
    border: 1px solid #D6E2FF;
}

.page-about__guide-figure img {
    display: block;
    width: 100%;
    max-width: 800px;
    height: auto;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    border-radius: 12px;
    margin: 0 auto;
}

.page-about__guide-heading {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1F2D3D;
    margin-bottom: 12px;
}

.page-about__guide-content p {
    color: #333333;
    line-height: 1.75;
    margin: 0;
    max-width: 800px;
}

.page-about__faq-section {
    background: #F4F7FB;
    padding: 56px 16px;
}

.page-about__faq-title {
    max-width: 900px;
    margin: 0 auto 40px;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #1F2D3D;
}

.page-about__faq-item {
    max-width: 900px;
    margin: 0 auto 16px;
    background: #FFFFFF;
    border: 1px solid #D6E2FF;
    border-radius: 12px;
    padding: 20px 24px;
    transition: box-shadow 0.2s ease;
}
.page-about__faq-item:hover {
    box-shadow: 0 4px 16px rgba(47,107,255,0.1);
}

.page-about__faq-item summary {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1F2D3D;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.page-about__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-about__faq-item summary span {
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1;
    color: #2F6BFF;
    transition: transform 0.2s ease;
}

.page-about__faq-item[open] summary span {
    transform: rotate(180deg);
}

.page-about__faq-item p {
    color: #333333;
    padding-top: 16px;
    line-height: 1.7;
    border-top: 1px dashed #D6E2FF;
    margin-top: 16px;
}

.page-about__cta-section {
    background: linear-gradient(135deg, #2F6BFF 0%, #6FA3FF 100%);
    padding: 64px 16px;
    text-align: center;
}

.page-about__cta-title {
    font-size: 2rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 12px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-about__cta-desc {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.95);
    max-width: 760px;
    margin: 0 auto 32px;
}

.page-about__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    max-width: 100%;
}

.page-about__btn-register,
.page-about__btn-download {
    display: inline-block;
    background: #FFFFFF;
    color: #2F6BFF;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 40px;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 2px solid transparent;
}

.page-about__btn-register:hover,
.page-about__btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}

.page-about__btn-download {
    background: transparent;
    color: #FFFFFF;
    border: 2px solid #FFFFFF;
}
.page-about__btn-download:hover {
    background: rgba(255,255,255,0.15);
}

@media (max-width: 1024px) {
    .page-about__mission-cards {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
    .page-about__stats-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-about__hero-section {
        padding-top: 10px;
    }
    .page-about__hero-image {
        aspect-ratio: 2 / 1;
    }
    .page-about__banner-grid {
        grid-template-columns: 1fr;
    }
    .page-about__banner-cta {
        width: 100%;
        box-sizing: border-box;
        max-width: 100%;
    }
    .page-about__banner-item:nth-child(n) {
        grid-column: auto;
    }
    .page-about__brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-about__brand-item:nth-child(n) {
        grid-column: auto;
    }
    .page-about__brand-item {
        max-width: 100%;
    }
    .page-about__stat-card {
        padding: 20px 8px;
    }
    .page-about__stat-card:nth-child(n) {
        grid-column: auto;
    }
    .page-about__stats-inner {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-about__stat-number {
        font-size: 1.25rem;
    }
    .page-about__guide-item {
        flex-direction: column;
    }
    .page-about__guide-figure {
        width: 100%;
    }
    .page-about__guide-content, .page-about__guide-heading {
        text-align: center;
    }
    .page-about__hero-content {
        margin-top: -20px;
    }
    .page-about img,
    .page-about__brand-logo,
    .page-about__story-image img {
        max-width: 100% !important;
        height: auto !important;
    }
    .page-about__faq-title,
    .page-about__guide-title,
    .page-about__section-title,
    .page-about__brand-title,
    .page-about__cta-title {
        font-size: 1.3rem;
    }
    .page-about__main-title {
        font-size: 1.25rem;
    }
    .page-about__hero-desc {
        font-size: 0.9rem;
    }
    .page-about__btn-register, .page-about__btn-download {
        max-width: 100%;
        box-sizing: border-box;
        white-space: normal;
        word-wrap: break-word;
        width: 100%;
        text-align: center;
        padding: 14px 8px;
    }
    .page-about__cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    .page-about {
        overflow-x: hidden;
    }
}

@media (max-width: 480px) {
    .page-about__brand-grid {
        grid-template-columns: 1fr;
    }
    .page-about__stats-inner {
        grid-template-columns: 1fr 1fr;
    }
    .page-about__guide-figure img {
        aspect-ratio: 1 / 1;
    }
}