:root{
  --paper:#f7f3eb;
  --ink:#171411;
  --ink-90:#171411e6;
  --ink-80:#171411d1;
  --ink-70:#171411b3;
  --ink-65:#171411ad;
  --ink-60:#1714119e;
  --ink-55:#1714118c;
  --rule:#1714111f;
  --rule-soft:#1714111a;
  --rule-strong:#1714114d;
  --card:#ffffff52;
}
*{box-sizing:border-box}
html,body{
  background:var(--paper);
  min-height:100%;
  color:var(--ink);
  margin:0;
  font-family:Georgia,Iowan Old Style,Times New Roman,serif;
}
body{
  border-top:1px solid var(--rule-soft);
}
a{
  color:inherit;
  text-decoration:none;
}
a:hover{
  text-decoration:underline;
  text-underline-offset:.18em;
}
.page-shell{
  max-width:1100px;
  margin:0 auto;
  padding:32px 24px 80px;
}
/* 头部导航 */
.site-header{
  display:grid;
  gap:12px;
  margin-bottom:40px;
}
.site-header__top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.site-header__eyebrow,.language-switch{
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-65);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.78rem;
}
.language-switch{
  color:var(--ink-55);
  cursor:default;
}
.site-header__nav{
  display:flex;
  flex-wrap:wrap;
  gap:.25rem;
  color:var(--ink-80);
  font-size:1rem;
}
.site-header__nav .is-active{
  text-decoration:underline;
  text-underline-offset:.22em;
}
.admin-entry{
  letter-spacing:.14em;
  text-transform:uppercase;
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.72rem;
  color:var(--ink-70);
  border-bottom:1px solid var(--rule-strong);
  padding-bottom:1px;
}
.editorial-rule{
  height:1px;
  background:var(--rule);
}
/* Hero区域 */
.home-hero{
  max-width:720px;
  margin-bottom:34px;
}
.home-hero h1{
  margin:0;
  font-size:clamp(3.2rem,7vw,5.5rem);
  font-weight:500;
  line-height:.95;
}
.home-hero p{
  color:var(--ink-70);
  margin:14px 0 0;
  font-size:1rem;
  line-height:1.75;
}
.home-hero--compact{
  margin-bottom:24px;
}
.home-hero--compact h1{
  font-size:clamp(2.4rem,6vw,4rem);
}
/* 首页网格：置顶文章 + 侧边栏 */
.home-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(260px,.8fr);
  align-items:start;
  gap:22px;
}
.home-grid__side{
  display:grid;
  gap:16px;
}
.kicker{
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-60);
  margin:0 0 10px;
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.72rem;
}
.cover-story,.side-module{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:8px;
}
.cover-story{
  padding:24px;
}
.cover-story h2{
  margin:0;
  font-size:clamp(2rem,4vw,3.2rem);
  font-weight:500;
  line-height:.98;
}
.cover-story .summary{
  color:var(--ink-70);
  margin:12px 0 0;
  line-height:1.7;
}
.cover-story .meta{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:18px;
  padding-top:12px;
  border-top:1px solid var(--rule);
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-65);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.78rem;
}
.text-link{
  display:inline-block;
  margin-top:18px;
}
.side-module{
  padding:18px;
}
.side-module__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
}
.side-module__list strong{
  font-weight:500;
  display:block;
}
.side-module__list p{
  color:var(--ink-70);
  margin:12px 0 0;
  line-height:1.7;
}
/* 首页的 Lab 模块。它列的是「提示」不是「图片说明」，一行就完，
   所以把间距收回来；收尾那个链接也不用正文那么大的留白。 */
.side-module--lab .side-module__list p{
  margin:6px 0 0;
  font-size:.86rem;
  line-height:1.6;
}
.side-module--lab .text-link{
  margin-top:14px;
  font-size:.82rem;
}
/* 最近文章列表 */
.section-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  border-top:1px solid var(--rule);
  margin:40px 0 8px;
  padding-top:16px;
}
.section-header h2{
  letter-spacing:.14em;
  text-transform:uppercase;
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.85rem;
  margin:0;
  font-weight:500;
}
.article-list__items{
  list-style:none;
  margin:0;
  padding:0;
}
.article-row{
  display:grid;
  grid-template-columns:84px minmax(0,1fr) 110px;
  gap:18px;
  padding:18px 0;
  border-top:1px solid var(--rule);
}
.article-row:last-child{
  border-bottom:1px solid var(--rule);
}
.article-row__meta{
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-65);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.78rem;
}
.article-row__date{
  text-align:right;
}
.article-row h3{
  margin:0;
  font-size:1.5rem;
  font-weight:500;
  line-height:1.15;
}
.article-row__body p{
  color:var(--ink-70);
  margin:12px 0 0;
  line-height:1.7;
}
/* 文章详情 prose 样式 */
.prose{
  border-top:1px solid var(--rule);
  padding-top:18px;
  max-width:720px;
}
.prose p{
  margin:0 0 24px;
  font-size:1.08rem;
  line-height:2;
}
.prose h2{
  border-top:1px solid var(--rule-soft);
  padding-top:24px;
  margin:56px 0 18px;
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:500;
  line-height:1.06;
}
.prose h3{
  margin:40px 0 14px;
  font-size:1.35rem;
  font-weight:500;
  line-height:1.2;
}
.prose h4,.prose h5,.prose h6{
  margin:32px 0 12px;
  font-size:1.1rem;
  font-weight:500;
}
.prose blockquote{
  color:var(--ink-90);
  background:#17141108;
  border-left:3px solid var(--rule-strong);
  margin:32px 0;
  padding:16px 20px;
  font-size:1.05rem;
  line-height:1.8;
}
.prose blockquote p{
  font-size:1.05rem;
  margin:0 0 12px;
}
.prose blockquote p:last-child{
  margin-bottom:0;
}
.prose ul,.prose ol{
  margin:0 0 24px;
  padding-left:1.4em;
  font-size:1.08rem;
  line-height:1.9;
}
.prose li{
  margin-bottom:6px;
}
.prose img{
  max-width:100%;
  height:auto;
  border-radius:6px;
  margin:8px 0 24px;
}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.9em;
  background:#1714110f;
  padding:.12em .38em;
  border-radius:4px;
}
.prose pre{
  background:#1714110f;
  border:1px solid var(--rule);
  border-radius:8px;
  padding:16px 18px;
  overflow-x:auto;
  margin:0 0 24px;
  line-height:1.7;
}
.prose pre code{
  background:none;
  padding:0;
  font-size:.86rem;
}
.prose hr{
  border:0;
  border-top:1px solid var(--rule);
  margin:40px 0;
}
/* 文章详情页头部 */
.post__head{
  max-width:720px;
}
.post__head .section-header{
  margin-top:0;
}
.post__title{
  margin:8px 0 0;
  font-size:clamp(2.1rem,5vw,3.4rem);
  font-weight:500;
  line-height:1.04;
}
.post__meta{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin:18px 0 0;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-65);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.78rem;
}
.draft-flag{
  color:#993c1d;
  border:1px solid #993c1d66;
  border-radius:4px;
  padding:1px 6px;
}
.post__tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:14px 0 26px;
  color:var(--ink-60);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.8rem;
}
.post__nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  border-top:1px solid var(--rule);
  margin-top:48px;
  padding-top:18px;
  max-width:720px;
  font-size:.95rem;
  line-height:1.6;
}
.post__nav-next{
  text-align:right;
}
/* 笔记 */
.note-list{
  list-style:none;
  margin:0;
  padding:0;
}
.note-item{
  display:grid;
  grid-template-columns:110px minmax(0,1fr);
  gap:18px;
  padding:18px 0;
  border-top:1px solid var(--rule);
}
.note-item:last-child{
  border-bottom:1px solid var(--rule);
}
.note-item__date{
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-65);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.78rem;
}
.note-item__text{
  font-size:1.08rem;
  line-height:1.8;
}
/* 照片 */
.photo-grid{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:22px;
  padding-top:18px;
}
.photo-card{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:8px;
  overflow:hidden;
}
.photo-card__img{
  display:block;
  width:100%;
  height:auto;
}
.photo-card__placeholder{
  height:132px;
  background:repeating-linear-gradient(135deg,#17141110 0 10px,#17141105 10px 20px);
}
.photo-thumb{
  display:block;
  width:100%;
  height:auto;
  border-radius:4px;
  margin-bottom:10px;
}
.photo-card__body{
  padding:16px 18px 18px;
}
.photo-card__body strong{
  font-weight:500;
  display:block;
  font-size:1.05rem;
}
.photo-card__body p{
  color:var(--ink-70);
  margin:10px 0 0;
  line-height:1.7;
  font-size:.95rem;
}
.photo-card__date{
  display:block;
  margin-top:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-60);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.72rem;
}
/* 实验区索引 */
.lab-grid{
  list-style:none;
  margin:0;
  padding:18px 0 0;
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(290px,1fr));
  gap:22px;
}
.lab-card{
  background:var(--card);
  border:1px solid var(--rule);
  border-radius:8px;
  transition:border-color .15s ease;
}
.lab-card:hover{
  border-color:var(--rule-strong);
}
.lab-card a{
  display:block;
  padding:22px 22px 20px;
}
.lab-card a:hover{
  text-decoration:none;
}
.lab-card h3{
  font-size:1.28rem;
  font-weight:500;
  margin:12px 0 0;
  line-height:1.35;
}
.lab-card:hover h3{
  text-decoration:underline;
  text-underline-offset:.18em;
}
.lab-card p{
  color:var(--ink-70);
  font-size:.95rem;
  line-height:1.75;
  margin:10px 0 0;
}
.lab-card__hint{
  display:inline-block;
  margin-top:16px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-55);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.7rem;
}
/* 空状态与页脚 */
.empty{
  color:var(--ink-60);
  font-size:.95rem;
  margin:18px 0;
  padding:18px 0;
}
.site-footer{
  margin-top:72px;
}
.site-footer__row{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:18px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-60);
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.72rem;
}
.site-footer__note{
  color:var(--ink-70);
  margin:14px 0 0;
  line-height:1.7;
  font-size:.9rem;
}
/* 响应式适配移动端 */
@media (max-width:720px){
  .page-shell{
    padding:24px 18px 64px;
  }
  .home-grid,.article-row,.note-item,.lab-grid{
    grid-template-columns:1fr;
  }
  .article-row__date{
    text-align:left;
  }
  .post__nav{
    grid-template-columns:1fr;
  }
  .post__nav-next{
    text-align:left;
  }
}
/* 首页吉祥物：四个小人，重绘成纸感/墨色调（雾紫 / 墨黑 / 陶土橙 / 赭黄）。
   纯装饰，鼠标移上去眼睛会跟、偶尔眨；开了减弱动效就静止。 */
.home-hero-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:34px;
  align-items:center;
  margin-bottom:34px;
}
.home-hero-row .home-hero{
  max-width:none;
  margin-bottom:0;
}
.home-mascots{
  position:relative;
  height:280px;
  border:1px solid var(--rule);
  border-radius:8px;
  overflow:hidden;
  pointer-events:none;
  background:
    repeating-linear-gradient(0deg,#17141108 0 1px,transparent 1px 22px),
    repeating-linear-gradient(90deg,#17141108 0 1px,transparent 1px 22px),
    linear-gradient(180deg,#ffffff9c,#ffffff38);
}
.mascot-stage{
  position:absolute;
  left:50%;
  bottom:0;
  width:240px;
  height:100%;
  margin-left:-120px;
}
.mascot{
  position:absolute;
  bottom:18px;
  transform-origin:bottom center;
  transition:transform .25s ease-out;
}
.mascot--purple{
  left:46px;
  width:64px;
  height:188px;
  background:#6f6a9c;
  border-radius:10px 10px 0 0;
}
.mascot--black{
  left:108px;
  width:50px;
  height:150px;
  background:var(--ink);
  border-radius:8px 8px 0 0;
}
.mascot--orange{
  left:6px;
  width:96px;
  height:88px;
  background:#d9925f;
  border-radius:96px 96px 0 0;
}
.mascot--yellow{
  left:150px;
  width:62px;
  height:118px;
  background:#cbb46a;
  border-radius:62px 62px 0 0;
}
.mascot-eyes{
  position:absolute;
  top:18px;
  left:0;
  right:0;
  display:flex;
  justify-content:center;
  gap:14px;
}
.mascot--orange .mascot-eyes,
.mascot--yellow .mascot-eyes{
  top:22px;
  gap:16px;
}
.eye{
  position:relative;
  width:16px;
  height:16px;
  background:#fbf8f1;
  border-radius:50%;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:height .12s ease;
}
.pupil{
  width:7px;
  height:7px;
  background:var(--ink);
  border-radius:50%;
  transition:transform .08s linear;
}
.pupil-only{
  width:11px;
  height:11px;
  background:var(--ink);
  border-radius:50%;
  transition:transform .08s linear;
}
.mascot-mouth{
  position:absolute;
  left:50%;
  top:54px;
  transform:translateX(-50%);
  width:30px;
  height:4px;
  background:var(--ink);
  border-radius:4px;
}
@media (max-width:860px){
  .home-hero-row{
    grid-template-columns:1fr;
    gap:18px;
  }
  .home-mascots{
    height:200px;
  }
}
/* 站内检索 / 标签 / 归档 */
.search-form{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 34px;
  max-width:520px;
}
.search-form input[type=search]{
  flex:1;
  min-width:0;
  background:var(--card);
  border:1px solid var(--rule-strong);
  border-radius:8px;
  padding:10px 14px;
  color:var(--ink);
  font-family:Georgia,Iowan Old Style,Times New Roman,serif;
  font-size:.95rem;
}
.search-form input[type=search]::placeholder{
  color:var(--ink-55);
}
.search-form input[type=search]:focus{
  outline:none;
  border-color:var(--ink-70);
}
.search-form button{
  background:var(--ink);
  border:1px solid var(--ink);
  border-radius:8px;
  padding:11px 18px;
  color:var(--paper);
  cursor:pointer;
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.78rem;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.search-form button:hover{
  background:var(--ink-80);
}
mark{
  background:#f6e3a1;
  color:inherit;
  padding:0 .1em;
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag-chip{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  border:1px solid var(--rule-strong);
  border-radius:8px;
  padding:7px 12px;
  font-family:Helvetica Neue,Helvetica,Arial,sans-serif;
  font-size:.8rem;
}
.tag-chip:hover{
  background:var(--card);
  text-decoration:none;
}
.tag-chip__count{
  color:var(--ink-55);
  font-size:.7rem;
}
@media (max-width:720px){
  .search-form{
    max-width:none;
  }
}

/* 后台照片画廊（纯照片） */
#photos-rows{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:12px}
.photo-card{position:relative;border:1px solid var(--rule);border-radius:8px;overflow:hidden;background:var(--paper)}
.photo-card__img{display:block;width:100%;height:140px;object-fit:cover}
.photo-card__del{position:absolute;top:6px;right:6px;padding:2px 7px;line-height:1;opacity:.92}

/* 作品页 /projects */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin-top:22px}
.project-card{border:1px solid var(--rule);border-radius:8px;background:var(--card);padding:18px 18px 16px;display:flex;flex-direction:column;gap:10px}
.project-card__head{display:flex;flex-direction:column;gap:6px}
.project-card__name{font-family:Georgia,"Times New Roman",serif;font-size:1.25rem;line-height:1.2;margin:0;letter-spacing:-.01em}
.project-card__meta{display:flex;flex-wrap:wrap;gap:8px;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-55)}
.project-card__kind{border:1px solid var(--rule-strong);border-radius:999px;padding:2px 9px}
.project-card__year{color:var(--ink-55)}
.project-card__tagline{margin:0;font-style:italic;color:var(--ink-55);font-size:.95rem}
.project-card__desc{margin:0;font-size:.92rem;line-height:1.62}
.project-card__link{margin-top:auto;align-self:flex-start;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--rule-strong);padding-bottom:2px}
.project-card__link:hover{text-decoration:none}
.project-card__status{margin-top:auto;align-self:flex-start;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-55);border:1px solid var(--rule);border-radius:999px;padding:3px 10px}