/* ===== Vaughn.C LAB 全局学术风格 ===== */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #eef3f9;
    font-family: 'Segoe UI', 'Roboto', system-ui, sans-serif;
    color: #1a2e3f;
    line-height: 1.6;
    padding: 2rem 1.2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 主容器 */
.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 24px;
    box-shadow: 0 12px 30px rgba(0, 20, 50, 0.08);
    overflow: hidden;
    border: 1px solid #d9e6f5;
    flex: 1;
}

/* ----- 渐变深色标题区 ----- */
.hero {
    background: linear-gradient(145deg, #0b1e2e 0%, #1c3c5e 70%, #234e77 100%);
    padding: 2.8rem 3rem 2.2rem 3rem;
    color: white;
    border-bottom: 1px solid #2e577a;
    position: relative;
    overflow: visible;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 3rem;
    right: 3rem;
    height: 2px;
    background: linear-gradient(90deg, #6da5d3, #aac9e4, transparent);
    opacity: 0.5;
}

/* 打字机容器 */
.typewriter {
    display: inline-block;
}

/* 主标题动态渐变字体 */
.typewriter h1 {
    font-size: 4.2rem;
    font-weight: 500;
    font-family: 'Georgia', 'Times New Roman', serif;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    margin-bottom: 0.5rem;
    color: transparent;
    background: linear-gradient(135deg, #ffffff 0%, #b6d9fc 30%, #e0f0ff 50%, #ffffff 70%, #aac9e4 100%);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradientFlow 8s ease infinite, typing 1.8s steps(13, end) forwards, blink-caret 0.75s step-end 3;
    border-right: 3px solid rgba(255,255,255,0.7);
    white-space: nowrap;
    overflow: hidden;
    width: fit-content;
    max-width: 100%;
    line-height: 1.6;
}
.typewriter h1.typed {
    border-right: none;
    overflow: visible !important;
}

/* 品牌连笔 */
.brand-cursive {
    font-family: 'Pacifico', cursive;
    font-size: 1.15em;
    letter-spacing: 1px;
    text-shadow: 2px 2px 3px rgba(0,0,0,0.4), -1px -1px 0 rgba(255,255,255,0.1);
    display: inline-block;
    margin-right: 0.2em;
}

.brand-lab {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 0.55em;
    font-weight: 300;
    letter-spacing: 2px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    display: inline-block;
}

/* 副标题 */
.subhead {
    font-size: 1.5rem;
    font-weight: 300;
    color: #d3e6ff;
    margin-top: 1.2rem;
    border-left: 5px solid #6ea8dc;
    padding-left: 1.5rem;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
    letter-spacing: 1px;
}

/* 水印入口按钮 */
.watermark-link {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    color: #d3e6ff;
    border: 1px solid rgba(255,255,255,0.35);
    padding: 0.3rem 1.1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
    z-index: 10;
}
.watermark-link:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

/* 内容区 */
.content {
    padding: 2.5rem 2.8rem 2rem;
}

/* 区块标题 */
.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 2rem;
    border-bottom: 1px solid #cbdde9;
    padding-bottom: 0.8rem;
}
.section-header-left {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
}
.section-header h2 {
    font-weight: 450;
    font-size: 2rem;
    color: #1c405b;
    font-family: 'Georgia', serif;
}
.all-posts-link {
    font-size: 1rem;
    color: #2a6a9c;
    text-decoration: none;
    border-bottom: 1px dotted #7aa5c2;
}
.all-posts-link:hover {
    color: #0a3147;
}
.badge {
    background: #d9e9fa;
    color: #1f5680;
    padding: 0.2rem 1.2rem;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
}

/* 文章卡片 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}
.article-card {
    padding: 1.5rem 2rem;
    background: #ffffff;
    border-left: 6px solid #9bbfda;
    border-radius: 0 16px 16px 0;
    box-shadow: 0 3px 8px rgba(0,0,0,0.02);
    transition: all 0.2s;
    border-bottom: 1px solid #e2ecf5;
}
.article-card:hover {
    border-left-color: #1f6eb0;
    background: #fafdff;
    box-shadow: 0 8px 16px rgba(26, 67, 113, 0.06);
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem 1.5rem;
    margin-bottom: 0.8rem;
}
.article-date {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2b6a9c;
    background: #e3f0fd;
    padding: 0.2rem 1.2rem;
    border-radius: 30px;
}
.article-authors {
    font-size: 0.9rem;
    color: #3a6279;
}
.author-link {
    color: #1a5e8c;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px dotted transparent;
    transition: border-color 0.1s, color 0.1s;
}
.author-link:hover {
    color: #0a3147;
    border-bottom-color: #6ea8dc;
}
.author-separator {
    color: #8aa0b5;
    margin: 0 2px;
}
.article-title {
    margin: 0.6rem 0 0.8rem 0;
    font-size: 1.5rem;
    font-weight: 550;
    line-height: 1.4;
}
.article-title a {
    text-decoration: none;
    color: #0a3147;
    font-family: 'Georgia', serif;
}
.article-title a:hover {
    color: #1a66b3;
}
.article-summary {
    color: #2b445c;
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

/* 标签链接 */
.tag-link {
    display: inline-block;
    background: #e3f0fd;
    color: #1f5680;
    padding: 0.1rem 0.8rem;
    border-radius: 30px;
    font-size: 0.8rem;
    margin-right: 0.4rem;
    text-decoration: none;
}
.tag-link:hover {
    background: #cde1f2;
}

/* 状态信息 */
.status-box {
    text-align: center;
    padding: 3rem 0;
    color: #436684;
    font-style: italic;
    background: #f2f8ff;
    border-radius: 18px;
}
.error-box {
    background: #fef5f0;
    border-left: 6px solid #b1633f;
    color: #5e4032;
    padding: 1.2rem 2rem;
    border-radius: 10px;
}

/* 页脚 */
.footer {
    margin-top: 2.5rem;
    text-align: right;
    font-size: 0.9rem;
    color: #6a89a2;
    border-top: 1px dashed #bed6e8;
    padding-top: 1.6rem;
    font-family: 'SF Mono', monospace;
}
.footer a {
    color: #1f6390;
    text-decoration: none;
}

/* 版权 */
.copyright {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed #bed6e8;
    font-size: 0.85rem;
    color: #7a99b3;
    font-family: 'Segoe UI', 'Roboto', sans-serif;
}

/* 开发团队卡片 */
.team-section {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid #cbdde9;
    padding-bottom: 2rem;
}
.team-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1.8rem;
}
.team-header h2 {
    font-weight: 450;
    font-size: 2rem;
    color: #1c405b;
    font-family: 'Georgia', serif;
}
.more-link {
    color: #2a6a9c;
    text-decoration: none;
    font-size: 1rem;
    border-bottom: 1px dotted #7aa5c2;
}
.more-link:hover {
    color: #0a3147;
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-bottom: 1rem;
}
.person-card {
    background: #f9fcff;
    border-radius: 12px;
    padding: 1.2rem 1rem;
    border: 1px solid #d9e6f5;
    transition: all 0.2s;
    text-align: center;
}
.person-card:hover {
    box-shadow: 0 6px 12px rgba(26, 67, 113, 0.06);
    border-color: #aac9e4;
}
.person-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0a3147;
    margin-bottom: 0.3rem;
}
.person-name a {
    text-decoration: none;
    color: inherit;
    border-bottom: 1px dotted transparent;
}
.person-name a:hover {
    color: #1f6eb0;
    border-bottom-color: #7aa5c2;
}
.person-title {
    font-size: 0.85rem;
    color: #4a789c;
    margin-bottom: 0.6rem;
    line-height: 1.3;
}
.person-summary {
    font-size: 0.85rem;
    color: #2b445c;
    opacity: 0.9;
    line-height: 1.4;
}
.team-loading {
    text-align: center;
    color: #6f8aa3;
    padding: 2rem;
}

/* 全部成员页网格 */
.people-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* 文章渲染页 */
.article-wrapper {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 12px 30px rgba(0,20,50,0.08);
    overflow: hidden;
    border: 1px solid #d9e6f5;
    display: flex;
    flex-direction: column;
}
.article-hero {
    background: linear-gradient(145deg, #0b1e2e 0%, #1c3c5e 70%, #234e77 100%);
    padding: 2.5rem 3rem 2rem;
    color: white;
    border-bottom: 1px solid #2e577a;
    position: relative;
}
.article-hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 3rem;
    right: 3rem;
    height: 2px;
    background: linear-gradient(90deg, #6da5d3, #aac9e4, transparent);
    opacity: 0.5;
}
.article-hero h1 {
    font-size: 2.8rem;
    font-weight: 600;
    font-family: '宋体', 'SimSun', serif;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    margin-bottom: 0.5rem;
}
.article-hero h2 {
    font-size: 1.5rem;
    font-weight: 400;
    color: #d3e6ff;
    margin-top: 0.25rem;
    border-left: 5px solid #6ea8dc;
    padding-left: 1.5rem;
}
.article-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    margin-top: 1.2rem;
}
.authors-line {
    font-size: 1.1rem;
    color: #c0daf5;
}
.publish-date {
    font-size: 1rem;
    color: #c0daf5;
    background: rgba(255,255,255,0.08);
    padding: 0.2rem 1.2rem;
    border-radius: 30px;
    font-family: '宋体', 'SimSun', serif;
}
.article-body-container {
    display: flex;
    flex: 1;
    background: #fff;
    align-items: flex-start;
}
.toc-sidebar {
    width: 260px;
    padding: 2rem 0 2rem 1.5rem;
    background: #f8fbfe;
    border-right: 1px solid #d0e0ee;
    position: sticky;
    top: 20px;
    align-self: flex-start;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    font-family: '宋体', 'SimSun', serif;
    flex-shrink: 0;
}
.toc-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1c405b;
    margin-bottom: 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #b3cee5;
    font-family: '宋体', 'SimSun', serif;
}
.toc-list {
    list-style: none;
    padding-left: 0;
}
.toc-item {
    margin-bottom: 0.4rem;
}
.toc-link {
    color: #2a5570;
    text-decoration: none;
    font-size: 0.95rem;
    display: block;
    padding: 0.25rem 0.5rem;
    border-left: 3px solid transparent;
    transition: all 0.1s;
}
.toc-link:hover {
    color: #0a3147;
    background: #e3effa;
    border-left-color: #1f6eb0;
}
.toc-link.active {
    color: #1a5e8c;
    font-weight: 600;
    border-left-color: #1f6eb0;
    background: #e3effa;
}
.toc-level-H3 { padding-left: 0.5rem; }
.toc-level-H4 { padding-left: 1.5rem; font-size: 0.9rem; }
.toc-level-H5 { padding-left: 2.5rem; font-size: 0.85rem; }
.toc-level-H6 { padding-left: 3.5rem; font-size: 0.8rem; color: #436684; }

.article-content {
    flex: 1;
    padding: 2.5rem 3rem 3rem;
    max-width: 900px;
    font-family: '宋体', 'SimSun', serif;
    color: #1e2f3c;
}
.article-content h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    color: #0a3147;
    border-bottom: 1px solid #cbdde9;
    padding-bottom: 0.4rem;
    font-family: '宋体', 'SimSun', serif;
}
.article-content h4 {
    font-size: 1.5rem;
    font-weight: 550;
    margin: 1.8rem 0 0.8rem;
    color: #1c405b;
    font-family: '宋体', 'SimSun', serif;
}
.article-content h5 {
    font-size: 1.3rem;
    font-weight: 550;
    margin: 1.5rem 0 0.6rem;
    color: #234e6b;
    font-family: '宋体', 'SimSun', serif;
}
.article-content h6 {
    font-size: 1.15rem;
    font-weight: 550;
    margin: 1.2rem 0 0.5rem;
    color: #2c5a7a;
    font-family: '宋体', 'SimSun', serif;
}
.article-content p {
    margin-bottom: 1.2rem;
    text-align: justify;
}
.article-content ul, .article-content ol {
    margin: 0.8rem 0 1.2rem 2rem;
}
.article-content li {
    margin-bottom: 0.3rem;
}

/* 人员介绍时间线 */
.timeline {
    list-style: none;
    padding-left: 0;
}
.timeline li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    border-left: 2px solid #9bbfda;
}
.timeline li::before {
    content: "●";
    position: absolute;
    left: -0.55rem;
    top: 0.2rem;
    color: #1f6eb0;
    font-size: 1rem;
}
.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: #2a6a9c;
    text-decoration: none;
    font-size: 1rem;
    border-bottom: 1px dotted #7aa5c2;
    font-family: '宋体', 'SimSun', serif;
}
.back-link:hover {
    color: #0a3147;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}
@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: rgba(255,255,255,0.7); }
}

/* 响应式 */
@media (max-width: 1000px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 700px) {
    body {
        padding: 0.8rem 0.5rem;
    }
    .hero {
        padding: 2rem 1.5rem 1.5rem;
    }
    .typewriter h1 {
        font-size: 2.8rem;
        white-space: normal;
        animation: none;
        border-right: none;
        color: white;
        background: none;
        text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        overflow: visible;
    }
    .brand-cursive {
        font-size: 1.1em;
    }
    .subhead {
        margin-top: 0.8rem;
        font-size: 1.2rem;
    }
    .watermark-link {
        top: 0.8rem;
        right: 1rem;
        font-size: 0.8rem;
        padding: 0.2rem 0.8rem;
    }
    .content {
        padding: 1.5rem 1.2rem;
    }
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .article-card {
        padding: 1.2rem 1.5rem;
    }
    .article-title {
        font-size: 1.3rem;
    }
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-body-container {
        flex-direction: column;
    }
    .toc-sidebar {
        width: 100%;
        position: static;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid #d0e0ee;
        padding: 1.5rem;
    }
    .article-content {
        padding: 1.5rem;
    }
}