/* ============================================================
   安博纳 · abn.cn
   暖纸 / 墨黑 / 朱砂 —— 一个人的网站群
   ============================================================ */

:root{
  --paper:#F4F1EB;
  --paper-2:#EDE8DF;
  --card:#FFFFFF;
  --ink:#16130E;
  --ink-2:#3A342B;
  --muted:#756D5F;
  --faint:#A39B8C;
  --line:#E3DDD1;
  --line-2:#D3CCBC;
  --accent:#B9432A;
  --accent-2:#D2664A;
  --accent-soft:#F2E3DC;
  --dark:#14120E;
  --max:1280px;
  --pad:clamp(20px,5vw,56px);
  --sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --mono:"JetBrains Mono","SF Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,dl,dd{margin:0}

::selection{background:var(--ink);color:var(--paper)}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:2px;
}

.wrap{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--pad);
}

/* 纸面颗粒 —— 极淡，只为去掉屏幕的塑料感 */
.grain{
  position:fixed;
  inset:0;
  z-index:9998;
  pointer-events:none;
  opacity:.035;
  mix-blend-mode:multiply;
  transform:translateZ(0);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:9999;
  background:var(--ink);
  color:var(--paper);
  padding:12px 18px;
  border-radius:0 0 8px 0;
}
.skip:focus{left:0}

/* ============ 通用动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s);
}
.reveal.in{opacity:1;transform:none}

@keyframes cardIn{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:none}
}
.card-in{animation:cardIn .55s var(--ease) both}

/* ============================================================
   导航
   ============================================================ */
.nav{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .35s,box-shadow .35s;
}
.nav.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -26px rgba(22,19,14,.55);
}

.nav-inner{
  display:flex;
  align-items:center;
  gap:clamp(18px,3vw,40px);
  height:72px;
}

.brand{display:flex;align-items:center;gap:9px}
.brand-mark{width:21px;height:21px;color:var(--ink);flex:none}
.brand-text{
  font-family:var(--serif);
  font-size:19px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1;
}
.brand-sub{
  font-family:var(--mono);
  font-size:8.5px;
  letter-spacing:.26em;
  color:var(--faint);
  transform:translateY(2px);
}

.nav-links{
  display:flex;
  align-items:center;
  gap:clamp(16px,2.2vw,30px);
  margin-left:auto;
  font-size:13.5px;
}
.nav-links a{
  position:relative;
  padding:6px 0;
  color:var(--ink-2);
  transition:color .25s;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1)}

.nav-meta{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:var(--faint);
  white-space:nowrap;
}
.nav-meta b{color:var(--ink);font-weight:500}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:40px;height:40px;
  border:1px solid var(--line-2);
  border-radius:999px;
  background:transparent;
  cursor:pointer;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:50%;top:50%;
  width:15px;height:1.4px;
  background:var(--ink);
  transform:translate(-50%,-50%);
  transition:.3s var(--ease);
}
.nav-toggle span:last-child{transform:translate(-50%,calc(-50% + 4px))}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translate(-50%,-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translate(-50%,-50%) rotate(-45deg)}

.nav-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:8px 0 16px;
}
.nav-drawer a{
  display:block;
  padding:11px var(--pad);
  font-size:15px;
  border-bottom:1px solid var(--line);
}
.nav-drawer.is-open{display:block}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  overflow:hidden;
  padding:clamp(40px,6vw,76px) 0 clamp(52px,7vw,92px);
  background:
    radial-gradient(1200px 700px at 88% 10%, rgba(185,67,42,.10), rgba(185,67,42,0) 60%),
    radial-gradient(900px 620px at 12% 116%, rgba(58,52,43,.06), rgba(58,52,43,0) 62%),
    linear-gradient(180deg,#F7F4EF 0%, #F4F1EB 58%, #EDE7DB 100%);
}
/* 右侧朱砂同心等高线，左侧淡出，保证标题可读 */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:repeating-radial-gradient(circle at 84% 24%, rgba(185,67,42,.085) 0 1px, rgba(185,67,42,0) 1px 44px);
  -webkit-mask-image:linear-gradient(100deg, transparent 0 24%, #000 66%);
          mask-image:linear-gradient(100deg, transparent 0 24%, #000 66%);
}
/* 底部向下一区自然过渡到纸色 */
.hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:36%;
  z-index:0;
  pointer-events:none;
  background:linear-gradient(180deg, rgba(244,241,235,0), var(--paper));
}
.hero .wrap{position:relative;z-index:1}

.hero-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:clamp(30px,4.5vw,52px);
}

.kicker{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  white-space:nowrap;
}
.kicker i{font-style:normal;color:var(--accent)}

.hero-title{
  position:relative;
  z-index:1;
  margin:0 0 clamp(34px,5vw,62px);
  font-size:clamp(40px,7.4vw,102px);
  line-height:1.06;
  letter-spacing:-.03em;
  font-weight:700;
  max-width:13em;
}
.hero-title .u{position:relative;display:inline-block}
.hero-title .u::after{
  content:"";
  position:absolute;
  left:-.02em;right:-.02em;
  bottom:.06em;
  height:clamp(4px,.42vw,7px);
  background:var(--accent);
  opacity:.92;
}

.hero-foot{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:clamp(24px,4vw,56px);
  align-items:end;
}
.hero-lead{
  max-width:48ch;
  font-size:clamp(14.5px,1.15vw,16.5px);
  line-height:1.95;
  color:var(--ink-2);
}
.hero-lead strong{font-weight:600;color:var(--ink)}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:13.5px;
  font-weight:500;
  cursor:pointer;
  white-space:nowrap;
  transition:background .28s var(--ease),border-color .28s,color .28s,transform .28s;
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .3s var(--ease)}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--accent)}
.btn-solid:hover svg{transform:translateX(3px)}
.btn-line{border-color:var(--line-2);color:var(--ink)}
.btn-line:hover{border-color:var(--ink);background:#fff}

/* ============================================================
   区块通用
   ============================================================ */
.section{
  padding:clamp(64px,8.5vw,120px) 0;
  scroll-margin-top:80px;
}
.section + .section{padding-top:0}

.sec-head{
  display:grid;
  grid-template-columns:1fr minmax(0,360px);
  gap:24px 48px;
  align-items:end;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  margin-bottom:clamp(30px,4vw,48px);
}
.sec-title{display:flex;align-items:baseline;gap:14px}
.sec-index{
  display:block;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.16em;
  color:var(--accent);
  white-space:nowrap;
}
.sec-head h2{
  font-size:clamp(23px,2.5vw,33px);
  font-weight:600;
  letter-spacing:-.02em;
  line-height:1.2;
}
.sec-note{
  font-size:13.5px;
  line-height:1.75;
  color:var(--muted);
}

/* ============================================================
   01 精选
   ============================================================ */
.featured-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:clamp(14px,2vw,26px);
}

.fcard{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s;
}
.fcard:focus-within{outline:2px solid var(--accent);outline-offset:3px}
/* 整张卡片可点：把标题链接拉伸成覆盖层 */
.stretch{color:inherit}
.stretch::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:3;
  border-radius:inherit;
}
.fcard:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  box-shadow:0 28px 60px -34px rgba(22,19,14,.34);
}
.fcard-media{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.fcard-media img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:top center;
  transition:transform .9s var(--ease);
}
.fcard:hover .fcard-media img{transform:scale(1.035)}

.fcard-body{
  display:flex;
  flex-direction:column;
  gap:13px;
  flex:1;
  padding:clamp(18px,2.2vw,28px);
}
.meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.04em;
  color:var(--faint);
}
.tag{
  font-family:var(--sans);
  font-size:11.5px;
  letter-spacing:0;
  color:var(--ink-2);
  border:1px solid var(--line-2);
  border-radius:999px;
  padding:2px 10px;
  line-height:1.6;
}
.fcard h3{
  font-size:clamp(19px,1.9vw,25px);
  font-weight:600;
  letter-spacing:-.02em;
  line-height:1.3;
}
.fcard-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}
.blurb{
  display:flex;
  gap:9px;
  align-items:flex-start;
  margin-top:auto;
  padding:12px 15px;
  background:var(--paper);
  border-radius:12px;
}
.blurb svg{
  width:13px;height:13px;
  flex:none;
  margin-top:5px;
  color:var(--accent);
}
.blurb p{
  font-size:13px;
  line-height:1.65;
  color:var(--ink-2);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  color:var(--ink);
}
.link-arrow svg{width:13px;height:13px;transition:transform .3s var(--ease)}
.link-arrow span{border-bottom:1px solid var(--line-2);transition:border-color .3s}
.fcard:hover .link-arrow svg{transform:translate(2px,-2px)}
.fcard:hover .link-arrow span{border-bottom-color:var(--ink)}

/* ============================================================
   02 全部站点
   ============================================================ */
.toolbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:clamp(20px,3vw,30px);
}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  height:35px;
  padding:0 15px;
  border:1px solid var(--line-2);
  border-radius:999px;
  background:transparent;
  color:var(--ink-2);
  font-size:12.5px;
  cursor:pointer;
  transition:background .25s,color .25s,border-color .25s;
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip .n{
  font-family:var(--mono);
  font-size:10px;
  opacity:.5;
  margin-left:6px;
}
.chip.is-on{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--paper);
}
.chip.is-on .n{opacity:.6}

.search{
  display:flex;
  align-items:center;
  gap:9px;
  min-width:236px;
  padding:7px 2px;
  border-bottom:1px solid var(--line-2);
  transition:border-color .3s;
}
.search:focus-within{border-bottom-color:var(--ink)}
.search svg{width:15px;height:15px;flex:none;color:var(--muted)}
.search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  outline:0;
  font-family:inherit;
  font-size:13px;
  color:var(--ink);
}
.search input::placeholder{color:var(--faint)}
.search input::-webkit-search-cancel-button{-webkit-appearance:none}
.search-count{
  font-family:var(--mono);
  font-size:10.5px;
  color:var(--faint);
  white-space:nowrap;
}

.project-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(13px,1.7vw,22px);
}

.pcard{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.pcard:focus-within{outline:2px solid var(--accent);outline-offset:3px}
.pcard:hover{
  transform:translateY(-3px);
  border-color:var(--line-2);
  box-shadow:0 22px 44px -30px rgba(22,19,14,.34);
}
.pcard-media{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.pcard-media img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:top center;
  transition:transform .9s var(--ease);
}
.pcard:hover .pcard-media img{transform:scale(1.04)}

.pcard-body{
  display:flex;
  flex-direction:column;
  gap:7px;
  flex:1;
  padding:16px 18px 18px;
}
.pcard-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.pcard h3{
  font-size:16.5px;
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.4;
}
.pcard-domain{
  font-family:var(--mono);
  font-size:10px;
  color:var(--faint);
  letter-spacing:.01em;
  white-space:nowrap;
}
.pcard-desc{
  font-size:12.8px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.pcard-foot{
  display:flex;
  align-items:center;
  gap:6px;
  margin-top:auto;
  padding-top:12px;
  font-size:12px;
  color:var(--ink-2);
}
.pcard-foot svg{width:12px;height:12px;transition:transform .3s var(--ease)}
.pcard:hover .pcard-foot{color:var(--accent)}
.pcard:hover .pcard-foot svg{transform:translate(2px,-2px)}

.empty{
  padding:64px 0;
  text-align:center;
  color:var(--muted);
  font-size:14px;
}
.empty .btn{margin-top:18px}

/* 截图加载失败时的兜底 */
.media-fallback{position:relative;display:grid;place-items:center}
.media-fallback::before{
  content:attr(data-fallback);
  font-family:var(--serif);
  font-size:clamp(28px,4vw,40px);
  color:var(--accent);
  opacity:.28;
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
}

/* ============================================================
   03 关于
   ============================================================ */
.about{
  background:var(--paper-2);
  border-top:1px solid var(--line);
}
.about-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:clamp(34px,6vw,96px);
  align-items:start;
}
.about-aside h2{
  font-family:var(--serif);
  font-size:clamp(28px,3.8vw,50px);
  font-weight:500;
  line-height:1.28;
  letter-spacing:-.01em;
  margin:16px 0 0;
}
.about-aside .sign{margin-top:clamp(22px,3vw,34px)}
.about-copy p{
  max-width:46ch;
  font-size:14.5px;
  line-height:2;
  color:var(--ink-2);
  margin-bottom:16px;
}
.about-copy p:first-child{
  font-size:clamp(16px,1.5vw,19px);
  line-height:1.9;
  color:var(--ink);
}
.sign{display:flex;align-items:center;gap:14px;margin-top:30px}
.sign-name{font-family:var(--serif);font-size:19px;color:var(--ink)}
.sign-line{width:56px;height:1px;background:var(--line-2)}

/* ============================================================
   页脚
   ============================================================ */
.footer{
  border-top:1px solid var(--line);
  padding-top:clamp(44px,6vw,76px);
  overflow:hidden;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1.1fr .8fr;
  gap:clamp(24px,3vw,40px);
  padding-bottom:clamp(36px,4vw,56px);
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:9px;
  font-family:var(--serif);
  font-size:19px;
  letter-spacing:.04em;
}
.footer-logo svg{width:19px;height:19px;flex:none}
.footer-brand p{
  margin-top:14px;
  max-width:18em;
  font-size:13px;
  line-height:1.75;
  color:var(--muted);
}
.footer-col h4{
  font-family:var(--mono);
  font-size:10px;
  font-weight:400;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--faint);
  margin-bottom:14px;
}
.footer-col a{
  display:block;
  padding:4px 0;
  font-size:13px;
  color:var(--ink-2);
  transition:color .22s;
}
.footer-col a:hover{color:var(--accent)}
#footerSites{
  display:grid;
  grid-auto-flow:column;
  grid-template-rows:repeat(6,auto);
  gap:0 18px;
}

.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.05em;
  color:var(--faint);
}
.footer-word{
  font-size:clamp(56px,15.5vw,208px);
  font-weight:800;
  line-height:.95;
  letter-spacing:-.045em;
  text-align:center;
  color:transparent;
  -webkit-text-stroke:1px rgba(22,19,14,.12);
  margin-top:clamp(10px,2vw,24px);
  user-select:none;
  pointer-events:none;
  white-space:nowrap;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .nav-meta{display:none}
  .project-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}

@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .hero-foot{grid-template-columns:1fr;align-items:start}
  .sec-head{grid-template-columns:1fr;gap:12px}
  .featured-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
}

@media (max-width:640px){
  .project-grid{grid-template-columns:1fr}
  .toolbar{flex-direction:column;align-items:stretch;gap:14px}
  .search{width:100%}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px 20px}
  .footer-brand{grid-column:1/-1}
  .footer-col:nth-child(2){grid-column:1/-1;margin-bottom:4px}
  #footerSites{grid-auto-flow:column;grid-template-rows:repeat(6,auto);gap:0 24px}
  .footer-bottom{font-size:10px}
  .hero-title{letter-spacing:-.02em}
}

@media (max-width:420px){
  #footerSites{grid-auto-flow:row;grid-template-rows:none;grid-template-columns:1fr 1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   03 文章（首页列表）
   ============================================================ */
.mono{font-family:var(--mono)}

.article-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:clamp(13px,1.7vw,22px);
}
.acard{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.acard:focus-within{outline:2px solid var(--accent);outline-offset:3px}
.acard:hover{
  transform:translateY(-3px);
  border-color:var(--line-2);
  box-shadow:0 22px 44px -30px rgba(22,19,14,.32);
}
.acard-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
  padding:20px 20px 22px;
}
.acard-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.acard-top time{font-size:10.5px;color:var(--faint);letter-spacing:.04em}
.acard h3{
  font-size:16.5px;
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.45;
}
.acard-desc{
  font-size:12.8px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.acard-foot{
  display:flex;
  align-items:center;
  gap:6px;
  margin-top:auto;
  padding-top:14px;
  font-size:12px;
  color:var(--ink-2);
}
.acard-foot svg{width:12px;height:12px;transition:transform .3s var(--ease)}
.acard:hover .acard-foot{color:var(--accent)}
.acard:hover .acard-foot svg{transform:translateX(3px)}

/* ============================================================
   联系（并入「04 关于」版块）
   ============================================================ */
.contact-strip{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:20px clamp(28px,4vw,56px);
  align-items:center;
  margin-top:clamp(44px,6vw,72px);
  padding-top:clamp(26px,3.5vw,38px);
  border-top:1px solid var(--line-2);
  scroll-margin-top:80px;
}
.contact-strip-main{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
}
.contact-strip .contact-hint{margin-top:0;font-size:13px}
.about-back{border-top:none;margin-top:clamp(40px,6vw,72px);padding-top:0}
.about-figure{margin:0 0 clamp(34px,5vw,58px)}
.about-figure-media{display:block;position:relative;aspect-ratio:16/9;border-radius:16px;overflow:hidden;border:1px solid var(--line-2);background:#e9e2d6;box-shadow:0 26px 60px -38px rgba(22,19,14,.55)}
.about-figure-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.about-figure figcaption{margin-top:12px;font-size:13px;font-style:italic;color:var(--ink-2);text-align:right;letter-spacing:.02em}
.contact-mail{
  display:inline-flex;
  align-items:center;
  gap:14px;
  padding:14px 22px;
  background:var(--card);
  border:1px solid var(--line-2);
  border-radius:14px;
}
.contact-label{
  font-size:10px;
  letter-spacing:.18em;
  color:var(--faint);
}
.contact-addr{
  font-size:clamp(15px,1.8vw,19px);
  color:var(--ink);
  letter-spacing:.03em;
}
.contact-hint{
  font-size:12.5px;
  line-height:1.8;
  color:var(--muted);
  margin-top:14px;
}
.contact-hint b{font-weight:500;color:var(--ink)}

/* ============================================================
   文章详情页（article.html）
   ============================================================ */
.article{padding:clamp(44px,6vw,84px) 0 clamp(60px,8vw,110px)}
.article-wrap{max-width:760px}
.article-kicker{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:18px;
}
.article-kicker a{
  font-size:13px;
  color:var(--muted);
  border-bottom:1px solid var(--line-2);
  transition:color .25s,border-color .25s;
}
.article-kicker a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-kicker time{font-size:10.5px;color:var(--faint);letter-spacing:.04em}
.article-title{
  font-family:var(--serif);
  font-size:clamp(28px,4.2vw,46px);
  font-weight:500;
  line-height:1.3;
  letter-spacing:-.01em;
  margin:0 0 18px;
}
.article-summary{
  font-size:clamp(15px,1.5vw,17px);
  line-height:1.9;
  color:var(--ink-2);
  margin:0 0 30px;
}
.prose{font-size:16px;line-height:2;color:var(--ink-2)}
.prose>*{margin:0 0 22px}
.prose h2{
  font-size:clamp(19px,2.1vw,24px);
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.45;
  color:var(--ink);
  margin:38px 0 14px;
}
.prose h3{font-size:17px;font-weight:600;color:var(--ink);margin:30px 0 12px}
.prose p{margin:0 0 20px}
.prose ul,.prose ol{margin:0 0 22px;padding-left:22px}
.prose li{margin:0 0 10px}
.prose li::marker{color:var(--accent)}
.prose strong{font-weight:600;color:var(--ink)}
.prose em{font-style:normal;background:linear-gradient(transparent 62%,rgba(185,67,42,.16) 0)}
.prose a{
  color:var(--ink);
  border-bottom:1px solid var(--line-2);
  transition:color .25s,border-color .25s;
}
.prose a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.prose code{
  font-family:var(--mono);
  font-size:.88em;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
}
.prose blockquote{
  margin:0 0 24px;
  padding:14px 20px;
  border-left:2px solid var(--accent);
  background:var(--paper-2);
  border-radius:0 12px 12px 0;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.prose hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.prose img{border-radius:12px;border:1px solid var(--line);margin:0 0 22px}
.article-list{
  list-style:none;
  margin:0 0 26px;
  padding:0;
  border-top:1px solid var(--line);
}
.article-list li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.article-list a{font-size:15px;color:var(--ink);transition:color .25s}
.article-list a:hover{color:var(--accent)}
.article-list span{font-size:11px;color:var(--faint);letter-spacing:.04em}
.article-foot{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid var(--line);
}

@media (max-width:1080px){
  .article-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .contact-strip{grid-template-columns:1fr;align-items:start}
}
@media (max-width:640px){
  .article-grid{grid-template-columns:1fr}
  .contact-mail{width:100%;justify-content:space-between}
}