@charset "utf-8";
/* =====================================================================
 * 站点样式
 * 版式与配色复刻自 yiren-lu.com，其底层为 MIT 协议的 academic-homepage 模板
 * （https://github.com/luost26/academic-homepage）。
 * 依赖 Bootstrap 4.6（HTML 中通过 CDN 引入），这里只包含站点自定义的部分。
 * ===================================================================== */

/* ---------- 字体：Lato（本地托管，SIL OFL 1.1，见 ../fonts/OFL.txt） ---------- */
@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato-400-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato-400-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/lato-700-normal-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/lato-700-normal-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Lato";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato-400-italic-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Lato";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato-400-italic-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Lato";
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/lato-700-italic-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Lato";
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/lato-700-italic-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- 主题色：改这里即可整体换配色 ---------- */
:root {
  --wide-page-max-width: 1700px;  /* 首页 / Research 页内容区最大宽度 */
  --site-bg: #f4f8f2;             /* 页面背景 */
  --site-accent: #40A578;         /* 主题绿：导航当前页、终端文字、正文链接、作者高亮 */
  --site-blue: #6096B4;           /* 社交图标、邮箱、News 展开按钮、终端 ~ */
  --site-pink: #FFAAAA;           /* 终端 @host 与闪烁光标 */
  --site-pub-link: #748E63;       /* 论文标题链接、[Paper] 等链接、选中的话题标签 */
  --site-pub-title: #808D7C;      /* 无链接时的论文标题 */
  --site-pub-more: #98A8F8;       /* “view all / All research” 链接 */
  --site-selected: #D2E9E9;       /* 代表作高亮底色 */
  --site-badge: #78B9B5;          /* 封面左上角的会议徽章 */
  --site-note: #c0504d;           /* 论文 note（如 Oral / Spotlight） */
  --site-radius: 15px;            /* 卡片圆角 */
}

/* ---------- 基础 ---------- */
html, body {
  background-color: var(--site-bg);
}

body {
  font-family: "Lato", sans-serif;
  font-weight: 400;
  padding-top: 5rem;
  overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-weight: 700;
}

.wide-page-container {
  max-width: var(--wide-page-max-width) !important;
}

.content-width-container {
  max-width: calc(var(--wide-page-max-width) * 10 / 12) !important;
}

.wide-page-row {
  margin-left: -10px;
  margin-right: -10px;
}

.wide-page-row > [class*='col-'] {
  padding-left: 10px;
  padding-right: 10px;
}

.custom-radius {
  border-radius: var(--site-radius);
}

.sidebar-sticky {
  top: 80px;
}

.no-break {
  white-space: nowrap;
}

/* ---------- 导航栏 ---------- */
.navbar {
  opacity: 0.95;
}

.navbar .nav-item.active .nav-link {
  color: var(--site-accent);
  font-weight: 500;
}

.navbar .navbar-toggler {
  font-size: 1em;
  padding: 0.5em;
}

.terminal-text {
  color: var(--site-accent);
  margin-right: 1.5rem;
  padding-left: 0;
  display: inline-flex;
  align-items: center;
}

.terminal-host { color: var(--site-pink); }
.terminal-punct { color: #000; }
.terminal-path { color: var(--site-blue); }
.terminal-message { margin-left: 0.3em; }

.terminal-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background-color: var(--site-pink);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  from, to { opacity: 1; }
  50% { opacity: 0; }
}

/* ---------- 个人卡片 ---------- */
a.follow_href {
  color: var(--site-blue);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

a.follow_href:hover {
  color: #4a7a94;
  text-decoration: none;
}

.avatar-container {
  width: 200px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto;
}

.avatar-container .avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.inline-badge {
  height: 16px;
  max-height: 1.2em;
  vertical-align: middle;
  margin-left: 5px;
}

.email-text {
  font-family: Courier, monospace;
}

/* ---------- News ---------- */
.news-item-date {
  font-size: 0.76rem;
  letter-spacing: 0.03em;
}

.news-item-title {
  font-size: 0.86rem;
  line-height: 1.4;
}

.news-toggle-button {
  background: none;
  border: none;
  color: var(--site-blue);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
}

.news-toggle-button:focus:not(:focus-visible) {
  outline: none;
}

/* ---------- About Me ---------- */
.about-icon {
  height: 56px;
  margin-left: 10px;
}

.text-profile-bio a,
a.profile_href {
  color: var(--site-accent);
}

/* ---------- 教育 / 经历 ---------- */
.experience-section-title {
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.experience-item-title {
  color: #212529;
  font-weight: 500;
  line-height: 1.35;
}

.experience-logos {
  gap: 0.25rem;
}

.experience-inline-logo {
  height: 18px;
  width: auto;
  object-fit: contain;
}

.experience-item-details {
  color: #495057;
  line-height: 1.45;
}

@media (max-width: 991.98px) {
  .experience-column + .experience-column {
    margin-top: 1rem;
  }
}

@media (max-width: 576px) {
  .experience-inline-logo {
    height: 16px;
  }

  .experience-item-details {
    display: block !important;
  }

  .experience-item-details .no-break {
    display: block;
    margin-top: 0.15rem;
    margin-left: 0 !important;
    padding-left: 0 !important;
  }
}

/* ---------- 论文列表 ---------- */
.pub-link {
  color: var(--site-pub-more);
}

.pub-card {
  overflow: hidden; /* 让高亮行 / 移动端背景图跟随卡片圆角 */
}

a.item_link {
  color: var(--site-pub-link);
}

.pub-entry {
  position: relative;
  display: flex;
  border-bottom: 1px solid #dee2e6;
}

.pub-entry.is-last-visible {
  border-bottom: 0;
}

.pub-entry.selected-publication {
  background-color: var(--site-selected);
}

.pub-cover-col {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
  padding: 1rem;
  display: flex;
  align-items: flex-start;
}

.pub-body-col {
  flex: 1 1 0%;
  min-width: 0;
  padding: 1rem 1rem 1rem 0;
}

.pub-title {
  color: var(--site-pub-title);
}

.pub-author-me {
  color: var(--site-accent);
}

.pub-note {
  color: var(--site-note);
  font-weight: 700;
  margin-left: 0.25rem;
}

.publication-cover {
  object-fit: contain;
  max-width: 100%;
  max-height: 200px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.publication-cover-video {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: 16 / 9;
  background-color: #f3f3f3;
}

.bubble-cover {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

/* 封面轮播：所有图片叠在同一格里，当前这张淡入显示 */
.cover-slideshow {
  position: relative;
  display: grid;
  width: 100%;
  overflow: hidden;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cover-slideshow .cover-slide {
  grid-area: 1 / 1;
  align-self: center;
  justify-self: center;
  width: 100%;
  height: auto;
  max-height: none;
  box-shadow: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.cover-slideshow .cover-slide.is-active {
  opacity: 1;
}

.cover-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  display: flex;
  justify-content: center;
  gap: 4px;
}

.cover-dot {
  width: 6px;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

.cover-dot.is-active {
  background-color: var(--site-pub-link);
}

.pub-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 2px 8px;
  border-radius: 12px;
  background-color: var(--site-badge);
  color: #fff;
  font-size: 0.7em;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.publication-topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.publication-topic-link {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.72rem;
  border-radius: 999px;
  border: 1px solid #d5dfd3;
  background-color: #f7faf7;
  color: #60705c;
  font-size: 0.74rem;
  line-height: 1.2;
  text-decoration: none;
  transition: all 0.2s ease;
}

.publication-topic-link:hover {
  color: #4f6549;
  background-color: #edf5eb;
  border-color: #b8c8b0;
  text-decoration: none;
}

.publication-topic-link.is-active {
  background-color: var(--site-pub-link);
  border-color: var(--site-pub-link);
  color: #fff;
}

@media (min-width: 1200px) {
  .pub-cover-col {
    flex-basis: 25%;
    max-width: 25%;
  }
}

/* 手机：单张封面图变成整行的淡背景，视频和轮播封面放到文字上方 */
@media (max-width: 767.98px) {
  .pub-entry {
    display: block;
    background-image: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)), var(--pub-cover-bg, none);
    background-size: cover;
    background-position: center;
  }

  .pub-entry.selected-publication {
    background-image: linear-gradient(color-mix(in srgb, var(--site-selected) 90%, transparent), color-mix(in srgb, var(--site-selected) 90%, transparent)), var(--pub-cover-bg, none);
  }

  .pub-cover-col {
    display: none;
  }

  .pub-cover-col.has-media {
    display: block;
    max-width: none;
    padding: 1rem 1.5rem 0;
  }

  .pub-cover-col.has-media .publication-cover-video,
  .pub-cover-col.has-media .cover-slideshow {
    margin-bottom: 1rem;
  }

  .pub-body-col {
    padding: 1rem 1.5rem;
  }

  .pub-entry.has-badge .pub-cover-col:not(.has-media) + .pub-body-col {
    padding-top: 2.25rem; /* 给左上角徽章留出位置 */
  }

  .pub-cover-col.has-media + .pub-body-col {
    padding-top: 0;
  }
}

/* ---------- Research 页 ---------- */
.research-summary-topic-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.research-summary-topic {
  display: inline-block;
  padding: 0.35em 0.75em;
  margin-right: 0.5em;
  margin-bottom: 0.65em;
  border-radius: 999px;
  background-color: #e9ecef;
  color: #495057;
  font-size: 0.75rem;
  font-weight: 400;
  white-space: nowrap;
  transition: all 0.2s;
  text-decoration: none;
  border: 1px solid transparent;
}

.research-summary-topic:hover {
  color: #566f53;
  background-color: #eef5ec;
  border-color: #d2dfcd;
  text-decoration: none;
}

.research-summary-topic.is-active {
  background-color: var(--site-pub-link);
  border-color: var(--site-pub-link);
  color: #fff;
}

.research-summary-title {
  font-weight: 700;
}

.research-summary-paragraph {
  color: #495057;
  line-height: 1.6;
}

.research-summary-paragraph > p:last-child {
  margin-bottom: 0;
}

.research-summary-highlight {
  display: inline;
  padding: 0 0.18em;
  border-radius: 0.3em;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 35%, rgba(255, 235, 130, 0.95) 35%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.selected-legend {
  background-color: var(--site-selected);
}

@media (max-width: 576px) {
  .research-summary-topic {
    font-size: 0.72rem;
    margin-right: 0.4em;
    margin-bottom: 0.5em;
  }
}

/* ---------- 页脚 ---------- */
.footer a {
  color: var(--site-accent);
}

@media (min-width: 768px) {
  .footer-credits {
    white-space: nowrap;
  }
}