/* ===== 关于/开发者合作页样式 ===== */
.about-page__hero {
    background: linear-gradient(135deg, var(--coral-blue), var(--coral-blue-dark));
    color: var(--white);
    padding: 48px 0;
    text-align: center;
    margin-bottom: 40px;
}
.about-page__hero-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
}
.about-page__hero-sub {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.about-page__content {
    max-width: 800px;
    margin: 0 auto;
}
.about-page__section {
    margin-bottom: 36px;
}
.about-page__section-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark-gray);
}
.about-page__text {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: #455A64;
}
.about-page__text p {
    margin-bottom: 12px;
}

.about-page__features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.about-page__feature {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}
.about-page__feature-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}
.about-page__feature-title {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.about-page__feature-desc {
    font-size: 0.8125rem;
    color: #78909C;
}

.developer-page__steps {
    display: grid;
    gap: 20px;
    margin-top: 20px;
}
.developer-page__step {
    display: flex;
    gap: 16px;
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}
.developer-page__step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--coral-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}
.developer-page__step-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.developer-page__step-desc {
    font-size: 0.875rem;
    color: #78909C;
}

.about-page__contact {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-top: 20px;
}
.about-page__contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.875rem;
}
.about-page__contact-icon {
    color: var(--coral-blue);
}

@media (max-width: 767px) {
    .about-page__hero {
        padding: 28px 0;
    }
    .about-page__hero-title {
        font-size: 1.5rem;
    }
    .about-page__features {
        grid-template-columns: 1fr;
    }
}