/* ============================================================
   关于商会 About CECC — 国际化大气版样式
   ============================================================ */

/* ---------- 主视觉 Hero ---------- */
.about-hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
    padding: 56px 48px;
    margin-bottom: 18px;
    background:
        radial-gradient(1100px 420px at 88% -15%, rgba(25, 118, 210, 0.12), transparent 60%),
        linear-gradient(135deg, #ffffff 0%, #eaf2fc 100%);
    border: 1px solid #e2ecf7;
    border-radius: 22px;
    box-shadow: 0 20px 54px rgba(13, 71, 161, 0.09);
    overflow: hidden;
}
.about-hero-media img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    object-fit: cover;
}
.about-hero-eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--accent-blue);
    font-weight: 700;
    margin-bottom: 16px;
}
.about-hero-text h2 {
    font-size: 35px;
    line-height: 1.25;
    color: #0c2a52;
    font-weight: 800;
    margin: 0 0 18px;
}
.about-hero-text h2 .en {
    display: block;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    color: #8aa0b8;
    margin-top: 10px;
}
.about-hero-text p {
    font-size: 16px;
    line-height: 1.95;
    color: #44576b;
    margin: 0 0 28px;
}
.about-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- 通用按钮（最普通交互：纯色、无渐变、无动画，杜绝闪烁） ---------- */
.btn-primary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 30px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    cursor: pointer;
}
.btn-primary {
    background: var(--primary-blue);
    color: #fff;
    border: 1px solid var(--primary-blue);
}
.btn-primary:hover {
    background: #0a3d8c;
}
.btn-ghost {
    background: #fff;
    color: var(--primary-blue);
    border: 1px solid #b9d2ef;
}
.btn-ghost:hover {
    background: #eef4fc;
}

/* ---------- 数据统计带 ---------- */
.about-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin: 30px 0;
}
.about-stat {
    position: relative;
    padding: 30px 18px 26px;
    text-align: center;
    background: #fff;
    border: 1px solid #e6edf6;
    border-radius: 14px;
    box-shadow: 0 6px 20px rgba(13, 71, 161, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.about-stat:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(13, 71, 161, 0.1);
}
.about-stat::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary-blue);
}
.about-stat .num {
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    color: var(--primary-blue);
}
.about-stat .num small { font-size: 22px; font-weight: 700; color: var(--accent-blue); }
.about-stat .label {
    margin-top: 14px;
    font-size: 17px;
    font-weight: 400;
    color: #51637a;
}

/* ---------- 通用区块 ---------- */
.about-section { padding: 46px 0; }
.about-eyebrow {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-blue);
    font-weight: 700;
    margin-bottom: 10px;
}
.about-h {
    font-size: 28px;
    color: #0c2a52;
    font-weight: 800;
    margin: 0 0 24px;
}
.about-text p {
    font-size: 16px;
    line-height: 1.95;
    color: #44576b;
    margin: 0 0 16px;
}

/* ---------- 图文两栏 ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: 44px;
    align-items: center;
}
.about-grid.reverse { grid-template-columns: 1.08fr 0.92fr; }
.about-grid.reverse .about-grid-media { order: 2; }

/* ---------- 宗旨 / 任务 卡片 ---------- */
.about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.about-card {
    position: relative;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e6edf6;
    border-radius: 14px;
    padding: 34px 30px 32px;
    box-shadow: 0 6px 20px rgba(13, 71, 161, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
}
.about-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(13, 71, 161, 0.12);
    border-color: #cfe0f4;
}
.about-card h3 {
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 21px;
    color: #0c2a52;
    margin: 0 0 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eef2f7;
}
.about-card h3::before {
    content: '';
    flex: 0 0 auto;
    width: 9px;
    height: 9px;
    border-radius: 2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
}
.about-card p { font-size: 15px; line-height: 1.95; color: #4d6173; margin: 0; }

/* ---------- 国际合作伙伴 logo 墙 ---------- */
.about-partners {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 28px;
}
.partner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 132px;
    padding: 20px 18px;
    background: #fff;
    border: 1px solid #e6edf6;
    border-radius: 14px;
    text-align: center;
    transition: all 0.25s ease;
}
.partner:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 10px 24px rgba(13, 71, 161, 0.1);
    transform: translateY(-3px);
}
.p-logo {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: repeating-linear-gradient(45deg, #eef4fc 0 8px, #e3ecf8 8px 16px);
    border: 1px dashed #bccbe0;
}
.p-name { font-size: 15px; font-weight: 600; color: #2b3d50; }
.p-en {
    display: block;
    font-size: 12px;
    letter-spacing: 1px;
    color: #9bb0c6;
    margin-top: 5px;
}

/* ---------- 品牌活动编号列表 ---------- */
.about-events {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.event-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 24px 26px;
    background: #fff;
    border: 1px solid #e6edf6;
    border-radius: 16px;
    transition: all 0.25s ease;
}
.event-item:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 12px 30px rgba(13, 71, 161, 0.1);
    transform: translateY(-2px);
}
.e-logo {
    flex: 0 0 auto;
    width: 64px;
    height: 64px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid #e6eef9;
    align-self: center;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.e-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.e-body h4 { font-size: 17px; color: #0c2a52; margin: 0 0 6px; }
.e-body p { font-size: 14px; color: #5a6b7b; margin: 0; line-height: 1.65; }

/* ---------- 结尾 CTA ---------- */
.about-cta {
    margin: 22px 0 0;
    padding: 48px 44px;
    text-align: center;
    background: #f4f8fd;
    border: 1px solid #e2ecf7;
    border-radius: 18px;
    color: #0c2a52;
}
.about-cta h3 { font-size: 25px; margin: 0 0 12px; font-weight: 800; }
.about-cta p {
    font-size: 15px;
    color: #51637a;
    max-width: 820px;
    margin: 0 auto 26px;
    line-height: 1.85;
}
.about-cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.about-cta .btn-ghost { color: var(--primary-blue); border-color: #b9d2ef; }
.about-cta .btn-ghost:hover { background: #eef4fc; }

/* ---------- 图片占位符 ---------- */
.ph {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 300px;
    padding: 32px;
    background: repeating-linear-gradient(45deg, #eef4fc 0 18px, #e6eefa 18px 36px);
    border: 2px dashed #b9d2ef;
    border-radius: 18px;
    color: #6f87a3;
    text-align: center;
}
.ph svg { width: 54px; height: 54px; color: #9bb6d4; }
.ph-text { font-size: 15px; font-weight: 600; color: #5a76a0; }
.ph-text .en {
    display: block;
    font-size: 12px;
    letter-spacing: 1px;
    color: #9bb6d4;
    margin-top: 6px;
    font-weight: 500;
}
.about-grid-media img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    object-fit: cover;
}
.about-branches-media img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .about-hero {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 40px 28px;
    }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .about-cards,
    .about-events,
    .about-partners { grid-template-columns: 1fr; }
    .about-grid,
    .about-grid.reverse { grid-template-columns: 1fr; }
    .about-grid.reverse .about-grid-media { order: 0; }
}
@media (max-width: 560px) {
    .about-hero-text h2 { font-size: 26px; }
    .about-h { font-size: 23px; }
    .about-stat .num { font-size: 30px; }
    .about-section { padding: 34px 0; }
    .about-cta { padding: 40px 24px; }
}