/* 公司简介与关于我们页面样式规范
   基于 site_v2 设计系统与 tokens.css
*/

.v2-about-page {
    width: 100%;
    min-height: calc(100vh - 200px);
    background-color: var(--color-page);
    padding: 120px 0 80px 0;
}

.v2-about-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    box-sizing: border-box;
}

/* 面包屑导航 */
.v2-about-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.v2-about-breadcrumbs a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color .2s ease;
}

.v2-about-breadcrumbs a:hover {
    color: var(--color-ink);
}

.v2-about-breadcrumbs span {
    color: var(--color-text-secondary);
}

/* 主内容大卡片 */
.v2-about-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 48px 56px;
    margin-bottom: 32px;
}

/* 页面头部 */
.v2-about-header {
    border-bottom: 1px solid var(--color-border-soft);
    padding-bottom: 28px;
    margin-bottom: 36px;
}

.v2-about-title {
    margin: 0 0 12px 0;
    font-size: 32px;
    line-height: 42px;
    font-weight: var(--font-weight-bold);
    color: var(--color-title);
}

.v2-about-lead {
    margin: 0;
    font-size: 16px;
    line-height: 26px;
    color: var(--color-text-muted);
}

/* 内容段落 */
.v2-about-section {
    margin-bottom: 40px;
}

.v2-about-section-title {
    font-size: 20px;
    line-height: 30px;
    font-weight: var(--font-weight-bold);
    color: var(--color-title);
    margin: 0 0 16px 0;
    padding-left: 12px;
    border-left: 3px solid var(--color-brand);
}

.v2-about-text {
    font-size: 15px;
    line-height: 1.85;
    color: #383a42;
    margin: 0 0 16px 0;
    text-align: justify;
}

.v2-about-text a {
    color: #4fab38;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color .2s ease;
}

.v2-about-text a:hover {
    color: #3d8b2c;
}

/* 发展历程时间线 */
.v2-timeline {
    position: relative;
    padding-left: 24px;
    border-left: 2px solid var(--color-border);
    margin: 24px 0 24px 8px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.v2-timeline-item {
    position: relative;
}

.v2-timeline-dot {
    position: absolute;
    left: -31px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-brand);
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--color-brand);
}

.v2-timeline-year {
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    color: var(--color-title);
    margin-bottom: 6px;
}

.v2-timeline-desc {
    font-size: 14px;
    line-height: 24px;
    color: #4a4d55;
    margin: 0;
}

.v2-timeline-desc a {
    color: #4fab38;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* 联系我们网格卡片 */
.v2-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.v2-contact-card {
    background: var(--color-card-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all .2s ease;
}

.v2-contact-card:hover {
    border-color: rgba(122, 211, 84, .72);
    background: #fff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .05);
    transform: translateY(-2px);
}

.v2-contact-card__label {
    font-size: 13px;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.v2-contact-card__value {
    font-size: 15px;
    font-weight: var(--font-weight-bold);
    color: var(--color-title);
    word-break: break-all;
}

.v2-contact-card__value a {
    color: #4fab38;
    text-decoration: none;
}

.v2-contact-card__value a:hover {
    text-decoration: underline;
}

.v2-contact-card__hint {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* 页脚重置（消除基准页脚的负 margin 与巨大内边距） */
#main-content:has(.v2-about-page) + .v2-footer,
.v2-about-page ~ .v2-footer,
body:has(.v2-about-page) .v2-footer {
    margin-top: 0;
    padding: 70px 0 74px;
}