/* --- 关于我页面独立样式 --- */

/* 关于我页面中所有 br 标签高度设置为 0 */
.about-page br,
.about-section-list br {
    height: 0;
    line-height: 0;
    display: none;
}

/* 页面头部 */
.about-page-header {
    margin-bottom: 30px;
}

/* 页面内容容器 */
.about-page {
    /* 轻微收紧正文块顶端的视觉高度 */
    padding-top: 0.2em;
}

/* 介绍区域：头像 + 简介 */
.about-intro {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 3em;
    font-size: 18px;
    line-height: 1.8;
}

.about-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.about-bio {
    /* 像素完美对齐 */
    transform: translateY(-5px);
}

.about-bio p {
    margin-top: 0;
}

.about-bio p + p {
    margin-top: 1em;
}

/* 哲学理念区域 */
.about-philosophy {
    margin-bottom: 2.2em;
    padding: 1.2em 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-philosophy p {
    margin: 0;
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-text-subtle);
}

/* 通用区块样式 */
.about-section {
    max-width: var(--measure-reading);
    margin: 1.8em auto 0;
}

/* 相邻 about 区块之间增加更"呼吸感"的间距，并用轻微分隔线软分组 */
.about-section + .about-section {
    margin-top: 1.6em;
    padding-top: 0.8em;
    border-top: 1px solid var(--color-border);
}

.about-section-title {
    /* 覆盖通用 page-content h2 的较大上边距，让模块内部节奏更紧凑 */
    margin-top: 0;
    margin-bottom: 0.7em;
}

/* 经验之谈区域 - 科学优雅的排版 */
.about-section--experience {
    margin-top: 1.8em;
}

.about-section--experience .about-section-title {
    margin-bottom: 1em;
    font-size: 1.55em;
    font-weight: 600;
    color: var(--color-text-strong);
    letter-spacing: 0.02em;
}

.about-section--experience .about-section-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}

.about-section--experience .about-section-list li {
    margin: 0;
    padding: 0;
    line-height: 1.8;
    font-size: 17px;
    color: var(--color-text);
}

/* 标题部分（strong 标签）的样式 - 采用更优雅的排版 */
.about-section--experience .about-section-list li strong {
    display: block;
    font-weight: 600;
    color: var(--color-text-strong);
    margin-bottom: 0.4em;
    font-size: 1.08em;
    letter-spacing: 0.015em;
    line-height: 1.4;
}

/* 联系区域 - 网格 + 抽屉交互（适配参考联系组件，仅配色使用站点变量） */
.about-section--contact {
    margin-top: 2.2em;
}

.about-contact-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 50px auto;
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--color-border);
}

/* 顶部 / 中部网格容器：3 列网格 + 1px 分隔线（无圆角，贴近参考稿） */
.about-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-border);
}

/* 顶部 Email 行与社交行之间保持轻微间距 */
.about-contact-grid--primary {
    margin-bottom: 0;
}

.about-contact-grid--secondary {
    margin-top: 0;
}

.about-contact-card {
    position: relative;
    background-color: var(--color-background);
    border: none;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    min-height: 120px;
    /* 统一 button 和 a 标签的默认样式，确保图标位置一致 */
    margin: 0;
    box-sizing: border-box;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    /* 覆盖 a 标签的下划线样式 */
    border-bottom: none;
}

.about-contact-card--full {
    grid-column: 1 / -1;
}

.about-contact-card-label {
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-meta);
    font-family: var(--font-family-mono);
}

.about-contact-card-main {
    margin-top: 10px;
    font-size: 16px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-strong);
}

.about-contact-card-main--email {
    letter-spacing: 0.02em;
    text-transform: none;
    font-size: 20px;
}

.about-contact-card-icon {
    position: absolute;
    right: 20px;
    top: 20px;
}

.about-contact-arrow {
    width: 14px;
    height: 14px;
    stroke: var(--color-meta);
    fill: none;
    stroke-width: 2;
    opacity: 0;
    transform: translate(-5px, 5px);
    transition:
        opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1),
        transform 0.4s cubic-bezier(0.25, 1, 0.5, 1),
        stroke 0.3s ease;
}

.about-contact-card:hover,
.about-contact-card:focus-visible {
    outline: none;
    background-color: var(--color-code-bg);
}

.about-contact-card:hover .about-contact-arrow,
.about-contact-card:focus-visible .about-contact-arrow,
.about-contact-card.is-active .about-contact-arrow {
    opacity: 1;
    stroke: var(--color-text-subtle);
    transform: translate(0, 0);
}

.about-contact-card.is-active .about-contact-arrow {
    transform: rotate(180deg);
}

/* 抽屉 */
.about-contact-drawer {
    width: 100%;
    height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition:
        height 0.6s cubic-bezier(0.25, 1, 0.5, 1),
        opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1),
        transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    background-color: var(--color-code-bg);
}

/* 抽屉打开状态：与 JS 中的 is-open 保持一致 */
.about-contact-drawer.is-open {
    opacity: 1;
    transform: translateY(0);
}

/* 不同类型抽屉的高度控制 */
.about-contact-drawer.is-open[data-contact-drawer="email"] {
    height: 200px;
}

.about-contact-drawer.is-open[data-contact-drawer="xiaohongshu"],
.about-contact-drawer.is-open[data-contact-drawer="wechat"],
.about-contact-drawer.is-open[data-contact-drawer="xianyu"] {
    height: 180px;
}

.about-contact-drawer-inner {
    padding: 40px;
    height: 100%;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(-20px);
    transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.about-contact-drawer.is-open .about-contact-drawer-inner {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

/* 微信抽屉需要更小的padding以容纳更大的二维码 */
.about-contact-drawer--wechat .about-contact-drawer-inner {
    padding: 30px 40px;
}

.about-contact-hint {
    margin: 0;
    font-size: 14px;
    color: var(--color-meta);
}

.about-contact-email-input {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    margin-top: 20px;
}

.about-contact-email-input textarea {
    flex: 1;
    resize: none;
    min-height: 30px;
    font-family: var(--font-family-sans);
    font-size: 16px;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
    padding: 4px 0;
    color: var(--color-text-strong);
    background-color: transparent;
}

.about-contact-email-input textarea:focus {
    outline: none;
    box-shadow: none;
    border-bottom-color: var(--color-text-strong);
}

.about-contact-email-btn {
    flex-shrink: 0;
    align-self: flex-end;
    border-radius: 0;
    padding: 10px 24px;
    border: none;
    background-color: var(--color-text-strong);
    color: var(--color-background);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
}

.about-contact-email-btn:hover,
.about-contact-email-btn:focus-visible {
    outline: none;
    background-color: #000000;
}

/* WeChat 抽屉布局 */
.about-contact-wechat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 100%;
}

.about-contact-wechat-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-contact-wechat-label {
    font-size: 13px;
    color: var(--color-meta);
}

.about-contact-wechat-id {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-strong);
    font-size: 22px;
    letter-spacing: 0.06em;
}

.about-contact-wechat-id-text {
    border-bottom: 1px solid transparent;
}

.about-contact-wechat-id:hover .about-contact-wechat-id-text,
.about-contact-wechat-id:focus-visible .about-contact-wechat-id-text {
    border-bottom-color: var(--color-text-strong);
}

.about-contact-copy-icon {
    width: 18px;
    height: 18px;
    stroke: var(--color-meta);
    fill: none;
    stroke-width: 1.6;
}

.about-contact-wechat-id:hover .about-contact-copy-icon,
.about-contact-wechat-id:focus-visible .about-contact-copy-icon {
    stroke: var(--color-text-subtle);
}

.about-contact-wechat-qr {
    width: 120px;
    height: 120px;
    border-radius: 0;
    border: 1px solid var(--color-border);
    padding: 8px;
    box-sizing: border-box;
    background-color: var(--color-background);
    flex-shrink: 0;
}

.about-contact-wechat-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 外部链接抽屉布局（小红书、闲鱼等共享样式） */
.about-contact-xiaohongshu,
.about-contact-xianyu {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
}

.about-contact-xiaohongshu-info,
.about-contact-xianyu-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-contact-xiaohongshu-label,
.about-contact-xianyu-label {
    font-size: 13px;
    color: var(--color-meta);
}

.about-contact-xiaohongshu-link,
.about-contact-xianyu-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text-strong);
    font-size: 22px;
    letter-spacing: 0.06em;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-bottom-color 0.3s ease;
}

.about-contact-xiaohongshu-link:hover,
.about-contact-xiaohongshu-link:focus-visible,
.about-contact-xianyu-link:hover,
.about-contact-xianyu-link:focus-visible {
    outline: none;
    border-bottom-color: var(--color-text-strong);
}

.about-contact-xiaohongshu-link-text,
.about-contact-xianyu-link-text {
    border-bottom: none;
}

.about-contact-external-icon {
    width: 18px;
    height: 18px;
    stroke: var(--color-meta);
    fill: none;
    stroke-width: 2;
    transition: stroke 0.3s ease;
}

.about-contact-xiaohongshu-link:hover .about-contact-external-icon,
.about-contact-xiaohongshu-link:focus-visible .about-contact-external-icon,
.about-contact-xianyu-link:hover .about-contact-external-icon,
.about-contact-xianyu-link:focus-visible .about-contact-external-icon {
    stroke: var(--color-text-subtle);
}

.about-contact-toast {
    position: fixed;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%) translateY(20px);
    background-color: #ffffff;
    color: #000000;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1),
        transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 80;
}

.about-contact-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 底部收口线条，模拟参考交互中的“封口”网格 */
.about-contact-closure {
    margin-top: 0;
    height: 1px;
    border-top: 1px solid var(--color-border);
}

/* 响应式设计 */
@media (max-width: 600px) {
    .about-intro {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-bio {
        transform: translateY(0); /* 取消微调 */
    }

    .about-section {
        margin-top: 2em;
    }

    .about-section + .about-section {
        margin-top: 1.4em;
        padding-top: 0.7em;
    }

    .about-section--experience .about-section-list {
        gap: 1.3em;
    }

    .about-section--experience .about-section-list li {
        font-size: 16px;
    }

    .about-contact-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .about-contact-card {
        padding: 18px 16px 20px;
        min-height: 0;
    }

    .about-contact-drawer.is-open {
        height: auto; /* 移动端与参考稿一致，抽屉高度自适应内容 */
    }

    .about-contact-email-input {
        flex-direction: column;
        align-items: stretch;
    }

    .about-contact-email-btn {
        align-self: flex-start;
    }

    .about-contact-wechat {
        flex-direction: column-reverse;
        align-items: flex-start;
    }

    .about-contact-wechat-qr {
        width: 132px;
        height: 132px;
    }
}