/* ================= About 页专用样式 ================= */
.about-hero {
    padding: 160px 24px 80px 24px;
    background: linear-gradient(180deg, rgba(7, 17, 32, 0.6) 0%, var(--bg-dark) 100%),
                url('https://images.unsplash.com/photo-1522069169874-c58ec4b76be5?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    background-attachment: fixed;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.about-hero h1 {
    font-size: 46px;
    font-weight: 800;
    color: var(--primary-text);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.about-hero h1 span {
    color: var(--accent);
}

.about-hero p {
    color: var(--secondary-text);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.about-content-section {
    padding: 60px 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.profile-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 50px;
    margin-bottom: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.profile-card h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.profile-card p {
    font-size: 16px;
    color: var(--secondary-text);
    line-height: 1.8;
    margin-bottom: 20px;
}

.profile-card p:last-child {
    margin-bottom: 0;
}

.advantages-title-main {
    text-align: center;
    font-size: 26px;
    font-weight: 800;
    margin: 60px 0 40px 0;
    letter-spacing: -0.5px;
}

.advantage-block-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 45px;
    margin-bottom: 36px;
    transition: var(--transition);
}

.advantage-block-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.advantage-block-card h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.advantage-block-card h3 span.icon {
    color: var(--accent);
    font-size: 22px;
}

.advantage-block-card p {
    font-size: 15px;
    color: var(--secondary-text);
    line-height: 1.7;
}

.philosophy-banner {
    background: linear-gradient(135deg, #0F223F 0%, #17325C 100%);
    border-radius: 24px;
    padding: 50px;
    color: var(--primary-text);
    text-align: center;
    margin-top: 60px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}

.philosophy-banner h3 {
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.philosophy-banner p.core-slogan {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.philosophy-banner p.desc {
    color: var(--secondary-text);
    font-size: 15px;
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .philosophy-banner p.core-slogan {
        font-size: 20px;
    }
}

@media (max-width: 576px) {
    .about-hero h1 {
        font-size: 32px;
    }
}