/* Layout System */

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* Section Spacing */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-2xl) 0;
    }
}

/* Grid System */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.content-grid--4col {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

@media (max-width: 768px) {
    .content-grid,
    .content-grid--4col {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* About Grid */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (max-width: 768px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about__illustration {
        order: -1; /* 插图移到上方 */
    }
}

/* Contact Grid */
.contact__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Recruitment Grid */
.recruitment__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

@media (max-width: 968px) {
    .recruitment__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Mission Cards */
.mission-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (max-width: 768px) {
    .mission-cards {
        grid-template-columns: 1fr;
    }
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (max-width: 480px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* Video Highlight */
.video-highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    background: var(--gradient-warm);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

@media (max-width: 768px) {
    .video-highlight {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

/* Hero Container */
.hero__container {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    min-height: calc(100vh - 80px);
}

@media (max-width: 968px) {
    .hero__container {
        flex-direction: column;
        gap: var(--spacing-xl);
        min-height: auto;
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }

    .hero__content {
        text-align: center;
    }

    .hero__illustration {
        order: -1; /* 插图移到上方 */
    }
}

/* Hero CTA Buttons */
.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero__cta {
        flex-direction: column;
        width: 100%;
    }

    .hero__cta .btn {
        width: 100%;
        justify-content: center;
    }
}