/**
 * 沁园汝瓷 - 品牌起源页面样式 (brand-origin.html)
 * 基于设计稿精确实现
 */

/* ==================== 页面横幅 ==================== */
.origin-banner {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    margin-top: 0;
}

.origin-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.origin-banner-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.origin-banner-content {
    position: relative;
    z-index: 1;
    text-align: left;
    padding-top: 150px;
    max-width: 1400px;
    margin: 0 auto;
}

.origin-banner-content h1 {
    font-family: var(--font-family-serif);
    font-size: 70px;
    font-weight: var(--font-weight-semibold);
    color: #15464E;
    margin-bottom: 25px;
    letter-spacing: 6px;
    display: inline-flex;
    align-items: center;
    gap: 15px;
}

.banner-seal {
    width: auto;
    height: 80px;
}

.origin-banner-content p {
    font-size: 22px;
    color: #15464E;
    line-height: 1.8;
    max-width: 1000px;
    /* margin: 0 auto; */
}

/* ==================== 时间线区域 ==================== */
.origin-timeline {
    padding: 80px 0;
}

.timeline-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 9px;
    top: 30px;
    bottom: 180px;
    width: 2px;
    background-color: #42939D;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 0;
    position: relative;
    margin-bottom: 80px;
}

.timeline-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 70px;
    right: 0;
    height: 1px;
    background-color: #DEDEDE;
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-dot {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #FDFBF8;
    border: 2px solid var(--color-primary);
    position: relative;
    z-index: 1;
    align-self: flex-start;
    margin-top: 20px;
}

.timeline-content {
    flex: 1;
    padding-left: 20px;
    margin-bottom: 50px;
}

.timeline-content h2 {
    font-family: var(--font-family-serif);
    font-size: 36px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: 15px;
    text-align: left;
}

.timeline-divider {
    display: none;
}

.timeline-content p {
    margin-top: 30px;
    font-size: 18px;
    color: #5D5F60;
    line-height: 1.8;
}

.timeline-image {
    flex: 0 0 170px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.timeline-image img {
    width: 100%;
    height: 170px;
    object-fit: contain;
    display: block;
    transition: transform 0.5s ease;
}

.timeline-item:hover .timeline-image img {
    transform: scale(1.05);
}

/* ==================== 响应式设计 ==================== */

/* 平板设备 (992px以下) */
@media (max-width: 992px) {
    .origin-banner {
        height: 500px;
    }

    .origin-banner-content {
        padding-top: 120px;
        text-align: center;
    }

    .origin-banner-content h1 {
        font-size: 42px;
    }

    .origin-banner-content p {
        font-size: 16px;
        margin: 0 auto;
    }

    .timeline-line {
        display: none;
    }

    .timeline-dot {
        display: none;
    }

    .timeline-item {
        flex-direction: column;
        gap: 20px;
        padding: 0;
        margin-bottom: 60px;
    }

    .timeline-item::after {
        left: 0;
    }

    .timeline-content h2 {
        font-size: 26px;
    }

    .timeline-content p {
        font-size: 16px;
    }

    .timeline-image {
        flex: 0 0 auto;
        width: 100%;
        max-width: 400px;
    }

    .timeline-image img {
        height: auto;
    }

}

/* 手机设备 (768px以下) */
@media (max-width: 768px) {
    .origin-banner {
        height: 400px;
    }

    .origin-banner-content {
        padding-top: 100px;
        text-align: center;
    }

    .origin-banner-content h1 {
        font-size: 32px;
    }

    .origin-banner-content .banner-seal {
        height: 50px;
    }

    .origin-banner-content p {
        font-size: 14px;
        padding: 0 20px;
        margin: 0 auto;
    }

    .origin-timeline {
        padding: 50px 0;
    }

    .timeline-content h2 {
        font-size: 22px;
    }

    .timeline-content p {
        font-size: 14px;
    }
}

/* 小屏手机 (480px以下) */
@media (max-width: 480px) {
    .origin-banner {
        height: 350px;
    }

    .origin-banner-content h1 {
        font-size: 26px;
    }

    .timeline-content h2 {
        font-size: 20px;
    }

    .timeline-content p {
        font-size: 13px;
    }

}

@media (max-width: 320px) {
    .origin-banner { height: 280px; }
    .origin-banner-content { padding-top: 60px; }
    .origin-banner-content h1 { font-size: 22px; letter-spacing: 3px; margin-bottom: 12px; }
    .origin-banner-content p { font-size: 13px; line-height: 1.6; }
    .origin-timeline { padding: 30px 0; }
    .timeline-content h2 { font-size: 17px; }
    .timeline-content p { font-size: 12px; }
    .timeline-image { max-width: 100%; }
}