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

/* Unify gray-blue tone across all about page gray sections */
.about-hero,
#committee {
    background: #fff;
}

/* Committee grid: let cards size to their own content */
#committee .contact-committee-grid {
    align-items: start;
}

/* Placeholder avatar for committee members without photo */
.committee-placeholder {
    background: linear-gradient(135deg, #274B92 0%, #4a7fd9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.about-page .section-gray,
.about-channels.section-gray {
    background: #f4f7fc;
}

/* Partners: subtle gradient to separate from white footer */
[aria-label="合作伙伴"] {
    background: linear-gradient(180deg, #fff 0%, #f4f7fc 100%);
}

/* ---- Hero ---- */
.about-hero {
    position: relative;
    padding: 140px 0 72px;
    background: #fff;
    border-bottom: 1px solid #eaf0f8;
    overflow: hidden;
}

/* Title area */
.about-hero-head {
    margin-bottom: 40px;
}

.about-hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: #fac10c;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.about-hero-kicker::before {
    content: '';
    width: 24px;
    height: 1px;
    background: rgba(250, 193, 12, 0.8);
}

.about-hero-title {
    font-size: clamp(2.2rem, 3.5vw, 3.2rem);
    line-height: 1.15;
    font-weight: 700;
    color: #16233c;
    margin: 0;
    letter-spacing: -0.02em;
}

.about-hero-lead {
    font-size: 1.05rem;
    font-weight: 500;
    color: #274B92;
    margin: 12px 0 0;
    opacity: 0.9;
}

/* Body: main + data */
.about-hero-body {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-hero-main {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-hero-text {
    max-width: 720px;
}

.about-hero-text p {
    font-size: 1.05rem;
    color: #4a5568;
    line-height: 1.85;
    margin: 0;
}

/* Mission cards */
.about-hero-mission {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.mission-card {
    padding: 24px 24px 24px 21px;
    background: #fff;
    border: 1px solid #e8ecf3;
    border-left: 3px solid #FAC10C;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.mission-card:hover {
    border-color: #d0d8e6;
    box-shadow: 0 4px 20px rgba(15, 30, 61, 0.04);
}

.mission-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #16233C;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
}

.mission-card p {
    font-size: 0.88rem;
    color: #65738e;
    line-height: 1.75;
    margin: 0;
}

/* ---- Official Channels (light bg override) ---- */
.about-channels.section-gray {
    background: #f4f7fc;
}

.about-official {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
    align-items: stretch;
}

.about-official-main {
    display: flex;
}

.about-store {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px;
    background: #fff;
    border: 1px solid #e8ecf3;
    flex: 1;
}

.about-store-tag {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid rgba(39, 75, 146, 0.18);
    background: rgba(39, 75, 146, 0.06);
    color: #274B92;
    align-self: flex-start;
}

.about-store-title {
    margin-top: 16px;
    font-size: 1.5rem;
    font-weight: 800;
    color: #16233c;
    line-height: 1.2;
}

.about-store-desc {
    margin-top: 10px;
    font-size: 0.95rem;
    line-height: 1.75;
    color: #65738e;
    max-width: 420px;
}

.about-store .about-btn {
    margin-top: 24px;
    align-self: flex-start;
}

.about-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}

.about-btn--gold {
    background: #FAC10C;
    border-color: #FAC10C;
    color: #1A1A1A;
}

.about-btn--gold:hover {
    background: #e0ab00;
    border-color: #e0ab00;
}

.about-official-qrs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.about-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: #fff;
    border: 1px solid #e8ecf3;
    text-align: center;
}

.about-qr-frame {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border: 1px solid #f0f2f7;
}

.about-qr-frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.about-qr-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #16233c;
}

.about-qr-desc {
    font-size: 0.85rem;
    color: #8896aa;
}

/* ---- Partners ---- */
.about-partners-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 14px;
}

.about-partner-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: 10px 12px;
    background: #fff;
    border: 1px solid rgba(39, 75, 146, 0.12);
    text-align: center;
}

.about-partner-card img {
    width: 100%;
    max-width: 160px;
    height: 44px;
    object-fit: contain;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-hero-mission {
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 120px 0 48px;
    }

    .about-hero-head {
        margin-bottom: 32px;
    }

    .about-hero-main {
        gap: 28px;
    }

    .about-hero-mission {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .mission-card {
        padding: 20px 20px 20px 17px;
    }

    .about-official {
        grid-template-columns: 1fr;
    }

    .about-official-qrs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-store {
        padding: 24px;
    }

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

    .about-partner-card {
        min-height: 52px;
        padding: 6px 8px;
    }

    .about-partner-card img {
        max-width: 100px;
        height: 32px;
    }
}

@media (max-width: 1024px) {
    .about-official {
        grid-template-columns: 1fr;
    }

    .about-official-qrs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}