/* ============================================================
   小互 · AI 解读站 — 统一外壳样式 (the neutral "picture frame")
   译自 Claude Design 设计稿 小互解读站.dc.html
   原则：中性、克制、稳。靠排版/留白/一个克制的品牌色建立识别度，
   不用大色块，套在任何配色的正文外面都不违和。
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root{
  --bg:#f4f1ea; --bg-2:#eee9df; --surface:#ffffff; --surface-2:#faf8f3;
  --ink:#1b1a17; --ink-2:#4a463f; --muted:#857f73;
  --line:#e4ddcf; --line-2:#d9d1c1;
  --ember:#df5130; --ember-soft:#fbe8e1;
  --verify:#2f7d57; --stance:#a9791d; --stance-soft:#f7eccf;
  --shadow:0 1px 2px rgba(40,30,10,.04),0 10px 26px -12px rgba(40,30,10,.14);
  --shadow-lg:0 2px 4px rgba(40,30,10,.05),0 24px 50px -18px rgba(40,30,10,.22);
}
html.dark{
  --bg:#131211; --bg-2:#1a1816; --surface:#1d1b18; --surface-2:#232019;
  --ink:#ece8e0; --ink-2:#c4bdb1; --muted:#8d8576;
  --line:#2c2925; --line-2:#36322b;
  --ember:#f2694b; --ember-soft:#2c1d17;
  --verify:#5db487; --stance:#d4a44e; --stance-soft:#2a2213;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 14px 30px -14px rgba(0,0,0,.6);
  --shadow-lg:0 2px 6px rgba(0,0,0,.4),0 30px 60px -20px rgba(0,0,0,.7);
}

/* ---------- 基础重置（克制，避免污染正文）---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{ -webkit-text-size-adjust:100%; }
body{
  background:var(--bg); color:var(--ink); min-height:100vh;
  font-family:"Space Grotesk","PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  transition:background .35s ease,color .35s ease;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit}
.mono{font-family:"Space Grotesk",ui-monospace,SFMono-Regular,Menlo,monospace;font-feature-settings:"tnum"}
.serif{font-family:"Noto Serif SC",Georgia,serif}
.frame{max-width:1200px;margin:0 auto}
.wrap-760{max-width:760px;margin:0 auto;padding:0 22px}
.wrap-680{max-width:680px;margin:0 auto}

/* ---------- 动画 ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes grow{from{transform:scaleY(.25)}to{transform:scaleY(1)}}
@keyframes shimmer{0%{background-position:-120% 0}100%{background-position:220% 0}}
.rise>*{animation:slideUp .6s cubic-bezier(.2,.7,.2,1) backwards}
.rise>*:nth-child(2){animation-delay:.06s}
.rise>*:nth-child(3){animation-delay:.12s}
.rise>*:nth-child(4){animation-delay:.18s}
.rise>*:nth-child(5){animation-delay:.24s}
.rise>*:nth-child(6){animation-delay:.3s}
.card{animation:slideUp .5s cubic-bezier(.2,.7,.2,1) backwards}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* ============================================================
   外壳：顶部导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(14px) saturate(1.1);
  -webkit-backdrop-filter:blur(14px) saturate(1.1);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;padding:13px 22px}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;cursor:pointer}
.brand-mark{
  position:relative;display:inline-block;padding:4px 9px;
  font-weight:600;font-size:17px;letter-spacing:.04em;
}
.brand-mark::before{content:"";position:absolute;left:0;top:0;width:8px;height:8px;border-top:1.6px solid var(--ember);border-left:1.6px solid var(--ember)}
.brand-mark::after{content:"";position:absolute;right:0;bottom:0;width:8px;height:8px;border-bottom:1.6px solid var(--ember);border-right:1.6px solid var(--ember)}
.brand-dot{width:5px;height:5px;border-radius:50%;background:var(--ember);margin-left:-2px}
.brand-sub{font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;padding-top:2px}
.nav-links{display:flex;gap:4px;margin-left:8px;flex-wrap:wrap}
.nav-link{cursor:pointer;font-size:14px;border-radius:8px;padding:7px 12px;transition:all .15s;color:var(--muted)}
.nav-link:hover{color:var(--ink-2)}
.nav-link.active{color:var(--ink);background:var(--surface);font-weight:500}
.nav-spacer{flex:1}
.btn-search{
  display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);
  color:var(--muted);border-radius:9px;padding:8px 12px;cursor:pointer;font-size:12.5px;transition:all .15s;
}
.btn-search:hover{border-color:var(--line-2);color:var(--ink-2)}
.icon-link{cursor:pointer;color:var(--muted);display:inline-flex;padding:6px;transition:color .15s}
.icon-link:hover{color:var(--ember)}
.btn-theme{
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
  width:36px;height:36px;border-radius:9px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;transition:border-color .15s;
}
.btn-theme:hover{border-color:var(--line-2)}
@media (max-width:640px){
  .nav-inner{gap:12px;padding:11px 16px;flex-wrap:wrap}
  .btn-search span{display:none}
  .brand-sub{display:none}
}

/* ============================================================
   首页 HERO
   ============================================================ */
main{display:block}
.home-main{padding:0 22px}
.hero{padding:64px 0 40px;max-width:820px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.12em;
  color:var(--ember);text-transform:uppercase;margin-bottom:22px;
}
.eyebrow .pulse{width:6px;height:6px;border-radius:50%;background:var(--ember);animation:blink 2s infinite}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.12;font-weight:600;letter-spacing:-.01em;margin-bottom:22px;text-wrap:balance}
.hero h1 .em{color:var(--ember)}
.hero-lead{font-size:17px;line-height:1.7;color:var(--ink-2);max-width:600px;margin-bottom:26px}
.creed{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.creed-chip{font-size:13px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:7px 14px}
.hero-search{
  display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line-2);
  border-radius:13px;padding:15px 18px;max-width:520px;cursor:text;box-shadow:var(--shadow);transition:border-color .15s;
}
.hero-search:hover{border-color:var(--ember)}
.hero-search .ph{color:var(--muted);font-size:15px;flex:1}
.kbd{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:3px 7px}
.hero-trust{display:flex;align-items:center;gap:16px;margin-top:18px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.hero-trust .ck{display:inline-flex;align-items:center;gap:6px}
.hero-trust .sep{opacity:.4}

/* ---------- 分类入口卡 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;padding:8px 0 40px}
.cat-card{
  cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:13px;
  padding:17px 17px 15px;display:block;transition:transform .2s,border-color .2s,box-shadow .2s;
}
.cat-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--tint) 40%,var(--line));box-shadow:var(--shadow)}
.cat-card .top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.cat-card .sq{width:9px;height:9px;border-radius:2px;background:var(--tint)}
.cat-card .cnt{font-size:11px;color:var(--muted)}
.cat-card .name{font-size:16px;font-weight:600;margin-bottom:3px}
.cat-card .en{font-size:10px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}

/* ---------- 区块标题 ---------- */
.section{margin-bottom:34px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}
.sec-title{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.sec-more{cursor:pointer;font-size:13px;color:var(--ember);display:inline-flex;align-items:center;gap:5px}

/* ---------- 今日精选 ---------- */
.featured{
  cursor:pointer;display:grid;grid-template-columns:1.1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
  transition:box-shadow .2s,border-color .2s;
}
.featured:hover{box-shadow:var(--shadow-lg);border-color:var(--line-2)}
.featured .left{
  position:relative;min-height:300px;padding:26px;display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(155deg,color-mix(in srgb,var(--tint) 16%,var(--surface)),var(--surface));border-right:1px solid var(--line);
}
.featured .row{display:flex;justify-content:space-between;align-items:flex-start}
.featured .cat{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--tint)}
.featured .cat .sq{width:7px;height:7px;border-radius:2px;background:var(--tint)}
.featured .no{font-size:11px;color:var(--muted)}
.featured .bigen{font-size:clamp(40px,6vw,72px);font-weight:700;line-height:1;color:color-mix(in srgb,var(--tint) 26%,transparent);letter-spacing:.02em}
.featured .srcpill{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:6px 10px;width:fit-content}
.featured .srcpill .t{font-size:11px;color:var(--ink-2)}
.featured .right{padding:28px 26px;display:flex;flex-direction:column;justify-content:center}
.featured .right h3{font-size:25px;line-height:1.3;font-weight:600;margin-bottom:13px;letter-spacing:-.01em}
.featured .right p{font-size:15px;line-height:1.7;color:var(--ink-2);margin-bottom:20px}
.featured .meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.featured .meta .when{font-size:11.5px;color:var(--muted)}
@media (max-width:720px){
  .featured{grid-template-columns:1fr}
  .featured .left{min-height:200px;border-right:none;border-bottom:1px solid var(--line)}
}

/* ============================================================
   卡片网格（cover 变体）
   ============================================================ */
.grid-section{padding:6px 22px 56px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(296px,1fr));gap:18px}
.art-card{
  cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:15px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s,border-color .22s;
}
.art-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-2)}
.cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);
  background:linear-gradient(150deg,color-mix(in srgb,var(--tint) 17%,var(--surface)),var(--surface) 75%);
}
.cover .dots{position:absolute;inset:0;background-image:radial-gradient(color-mix(in srgb,var(--tint) 22%,transparent) 1px,transparent 1px);background-size:13px 13px;opacity:.5}
.cover .cat{position:absolute;left:15px;top:14px;display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--tint)}
.cover .cat .sq{width:7px;height:7px;border-radius:2px;background:var(--tint)}
.cover .no{position:absolute;right:15px;top:13px;font-size:11px;color:var(--muted)}
.cover .bigen{position:absolute;left:15px;bottom:38px;font-size:clamp(30px,8vw,46px);font-weight:700;line-height:1;color:color-mix(in srgb,var(--tint) 24%,transparent);letter-spacing:.03em}
.cover .srcbar{
  position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:7px;padding:9px 14px;
  background:color-mix(in srgb,var(--surface) 80%,transparent);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border-top:1px solid var(--line);
}
.cover .srcbar .t{font-size:10.5px;color:var(--ink-2)}
/* ── 真实图片封面：纯图不叠字 ── */
.card.has-photo .cover{background:#111;border-bottom:none}
.card.has-photo .cover::before{content:'';position:absolute;inset:0;background:var(--cover-img) center/cover no-repeat;z-index:0;transition:transform .45s ease}
.card.has-photo:hover .cover::before{transform:scale(1.05)}
.card.has-photo .cover .dots,.card.has-photo .cover .bigen,
.card.has-photo .cover .cat,.card.has-photo .cover .no,
.card.has-photo .cover .srcbar{display:none}
.spacer{flex:1}
.card-body{padding:16px 17px 15px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17.5px;line-height:1.4;font-weight:600;margin-bottom:9px;letter-spacing:-.005em;text-wrap:pretty}
.card-body .dek{font-size:13.5px;line-height:1.65;color:var(--ink-2);margin-bottom:14px;flex:1}
.card-foot{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.card-foot .when{font-size:10.5px;color:var(--muted)}

/* chips & tags */
.tag-chip{font-size:11px;color:var(--muted);background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:2px 8px}
.stance-tag{font-size:10px;color:var(--stance);background:var(--stance-soft);border:1px solid color-mix(in srgb,var(--stance) 35%,transparent);border-radius:5px;padding:2px 7px;white-space:nowrap}

/* ============================================================
   列表 / 分类 / 标签页
   ============================================================ */
.list-head{padding:34px 22px 8px}
.list-kicker{font-size:11px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;margin-bottom:10px}
.list-head h1{font-size:32px;font-weight:600;letter-spacing:-.01em;margin-bottom:6px}
.list-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.cat-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:18px}
.cat-tab{font-family:inherit;cursor:pointer;border-radius:9px;padding:8px 15px;font-size:13.5px;transition:all .18s;background:var(--surface);color:var(--ink-2);border:1px solid var(--line)}
.cat-tab:hover{border-color:var(--line-2)}
.cat-tab.on{color:#fff;box-shadow:var(--shadow)}
.tag-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:26px}
.tag-row .lbl{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.tag-btn{cursor:pointer;font-size:13px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:6px 13px;transition:all .15s}
.tag-btn:hover{border-color:var(--ember);color:var(--ember)}

/* ============================================================
   搜索
   ============================================================ */
.search-main{padding:40px 22px 8px;min-height:60vh}
.search-box{display:flex;align-items:center;gap:13px;background:var(--surface);border:2px solid var(--ember);border-radius:14px;padding:15px 18px;box-shadow:var(--shadow)}
.search-box input{flex:1;border:none;outline:none;background:transparent;font-size:17px;color:var(--ink)}
.search-box .go{background:var(--ember);color:#fff;border:none;border-radius:9px;padding:8px 16px;font-size:13px;cursor:pointer;font-weight:500}
.search-section{margin-top:30px}
.search-section .lbl{font-size:11px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.hotq{display:flex;flex-wrap:wrap;gap:9px}
.hotq-btn{background:var(--surface);border:1px solid var(--line);color:var(--ink-2);border-radius:20px;padding:9px 15px;font-size:13.5px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:all .15s}
.hotq-btn:hover{border-color:var(--ember);color:var(--ember)}
.hotq-btn .rank{font-size:10px;color:var(--muted)}
.search-loading{margin-top:70px;display:flex;flex-direction:column;align-items:center;text-align:center}
.search-loading .glyph{width:54px;height:54px;border-radius:14px;border:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:center;animation:bob 1.6s ease-in-out infinite;box-shadow:var(--shadow)}
.search-loading .lt{margin-top:18px;font-size:14px;color:var(--ink-2)}
.search-loading .bar{margin-top:14px;width:46px;height:4px;border-radius:3px;overflow:hidden;background:var(--line)}
.search-loading .bar i{display:block;height:100%;background:linear-gradient(90deg,transparent,var(--ember),transparent);background-size:60% 100%;animation:shimmer 1.1s linear infinite}
.search-empty{margin-top:54px;text-align:center;padding:40px 20px;border:1px dashed var(--line-2);border-radius:18px;background:var(--surface-2)}
.search-empty .mascot{width:96px;height:96px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;font-size:52px;background:var(--surface);border-radius:20px;border:1px solid var(--line)}
.search-empty .t{font-size:17px;font-weight:600;margin-bottom:8px}
.search-empty p{font-size:14px;color:var(--muted);max-width:340px;margin:0 auto 18px;line-height:1.6}
.btn-soft{background:var(--surface);border:1px solid var(--line-2);color:var(--ink);border-radius:9px;padding:9px 18px;font-size:13px;cursor:pointer}
.btn-ghost{background:none;border:none;color:var(--muted);font-size:13px;cursor:pointer}
.results-head{margin-top:24px;display:flex;align-items:baseline;justify-content:space-between}
.results-head .n{font-size:14px;color:var(--ink-2)}
.results-head .n b{color:var(--ember)}

/* ============================================================
   文章页外壳（最关键的中性画框）
   ============================================================ */
.art-crumb-bar{border-bottom:1px solid var(--line);background:var(--surface-2)}
.art-crumb{max-width:760px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.art-crumb a{cursor:pointer}
.art-crumb a:hover{color:var(--ember)}
.art-crumb .slash{opacity:.5}
.art-crumb .no{color:var(--ink-2)}
.art-trustwrap{max-width:760px;margin:0 auto;padding:20px 22px 0}
.trust-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:13px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.trust-bar .ck{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-2)}
.trust-bar .div{width:1px;height:14px;background:var(--line)}
.trust-bar .lbl{font-size:12px;color:var(--muted)}
.trust-bar .src{cursor:pointer;font-size:12.5px;color:var(--ember);display:inline-flex;align-items:center;gap:4px}
.trust-bar .src:hover{text-decoration:underline}
.trust-bar .stance{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--stance);background:var(--stance-soft);border:1px solid color-mix(in srgb,var(--stance) 35%,transparent);border-radius:7px;padding:3px 9px}
.trust-bar .when{font-size:11.5px;color:var(--muted)}
/* ── 播客播放器条 ── */
.podcast-bar{max-width:760px;margin:14px auto 4px;display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.podcast-bar .pb-label{font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;flex-shrink:0}
.podcast-bar .pb-audio{flex:1;height:34px}
@media (max-width:560px){.podcast-bar{flex-direction:column;align-items:stretch;gap:8px}}
/* ── 卡片播客角标 ── */
.cover .no .audio-badge{margin-right:5px;font-size:12px;filter:saturate(.85)}
.body-divider{text-align:center;margin:16px 0 12px}
.body-divider span{font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;background:var(--bg);padding:0 12px}

/* 正文容器：把每篇正文做成一幅"裱起来的画"——内缩、圆角、投影，像画浮在外壳这面"墙"上。
   既保留每篇自己的视觉世界（深色/浅色都行），又不再和外壳硬边切割。只定框、做隔离，不碰内层排版。 */
.article-canvas-wrap{padding:0 20px}
.article-body{max-width:884px;margin:6px auto 16px;border:1px solid var(--line-2);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg)}
@media (max-width:560px){.article-canvas-wrap{padding:0 12px}.article-body{border-radius:18px}}

.art-footwrap{max-width:760px;margin:0 auto;padding:8px 22px 0}
.body-end{text-align:center;margin-bottom:24px}
.body-end span{font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;background:var(--bg);padding:0 12px}
.art-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;padding-bottom:30px}
.act{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2);border-radius:10px;padding:10px 16px;font-size:13.5px;cursor:pointer;transition:all .15s}
.act:hover{border-color:var(--line-2)}
.act.primary{border-color:var(--line-2);color:var(--ink)}
.act.primary:hover{border-color:var(--ember);color:var(--ember)}
.related-wrap{border-top:1px solid var(--line);background:var(--surface-2)}
.related-inner{max-width:880px;margin:0 auto;padding:34px 22px 10px}
.related-inner h2{font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.related-card{cursor:pointer;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:15px;display:block;transition:transform .18s,border-color .18s}
.related-card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.related-card .cat{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:600;color:var(--tint);margin-bottom:9px}
.related-card .cat .sq{width:6px;height:6px;border-radius:2px;background:var(--tint)}
.related-card .ti{font-size:14.5px;line-height:1.45;font-weight:600;margin-bottom:10px}
.related-card .when{font-size:10.5px;color:var(--muted)}

/* ============================================================
   关于页
   ============================================================ */
.about-main{padding:56px 22px 30px}
.about-kicker{font-size:11px;letter-spacing:.14em;color:var(--ember);text-transform:uppercase;margin-bottom:18px}
.about-main h1{font-size:clamp(30px,5vw,46px);line-height:1.2;font-weight:600;letter-spacing:-.01em;margin-bottom:24px}
.about-main h1 .em{color:var(--ember)}
.about-main .lead{font-size:18px;line-height:1.85;color:var(--ink-2);margin-bottom:20px}
.creed-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:8px 0 40px}
.creed-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.creed-card .h{font-size:26px;margin-bottom:10px}
.creed-card p{font-size:13.5px;line-height:1.7;color:var(--muted);margin:0}
.sub-cta{background:var(--ember-soft);border:1px solid color-mix(in srgb,var(--ember) 30%,transparent);border-radius:16px;padding:26px;text-align:center}
.sub-cta .h{font-size:16px;font-weight:600;margin-bottom:6px}
.sub-cta p{font-size:13.5px;color:var(--ink-2);margin-bottom:16px}
.sub-form{display:flex;gap:8px;max-width:380px;margin:0 auto;flex-wrap:wrap}
.sub-form input{flex:1;min-width:160px;border:1px solid var(--line-2);background:var(--surface);border-radius:9px;padding:11px 14px;font-size:14px;color:var(--ink);outline:none}
.sub-form button{background:var(--ember);color:#fff;border:none;border-radius:9px;padding:11px 20px;font-size:14px;cursor:pointer;font-weight:500}

/* ============================================================
   404
   ============================================================ */
.nf-main{padding:70px 22px;text-align:center;min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center}
.nf-mascot{width:120px;height:120px;margin-bottom:24px;display:flex;align-items:center;justify-content:center;font-size:66px;animation:bob 2.6s ease-in-out infinite}
.nf-code{font-size:54px;font-weight:700;letter-spacing:.05em;color:var(--ember);margin-bottom:6px}
.nf-main h1{font-size:24px;font-weight:600;margin-bottom:10px}
.nf-main p{font-size:15px;color:var(--muted);max-width:360px;margin:0 auto 24px;line-height:1.7}
.nf-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.btn-primary{background:var(--ember);color:#fff;border:none;border-radius:10px;padding:11px 22px;font-size:14px;cursor:pointer;font-weight:500}

/* ============================================================
   外壳：页脚
   ============================================================ */
.site-footer{border-top:1px solid var(--line);background:var(--surface-2);margin-top:20px}
.footer-cols{max-width:1100px;margin:0 auto;padding:42px 22px 30px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
.footer-brand .mark{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px}
.footer-brand p{font-size:13px;line-height:1.7;color:var(--muted);max-width:240px}
.footer-col .h{font-size:11px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.footer-col .links{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:var(--ink-2)}
.footer-col .links a{cursor:pointer;transition:color .15s}
.footer-col .links a:hover{color:var(--ember)}
.footer-col p{font-size:13px;color:var(--muted);margin-bottom:12px;line-height:1.6}
.footer-sub{display:flex;gap:7px;margin-bottom:12px}
.footer-sub input{flex:1;min-width:0;border:1px solid var(--line-2);background:var(--surface);border-radius:8px;padding:9px 11px;font-size:13px;color:var(--ink);outline:none}
.footer-sub button{background:var(--ember);color:#fff;border:none;border-radius:8px;padding:9px 14px;font-size:13px;cursor:pointer}
.footer-rss{cursor:pointer;display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ember)}
.footer-bar{border-top:1px solid var(--line)}
.footer-bar .inner{max-width:1100px;margin:0 auto;padding:16px 22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--muted)}
@media (max-width:760px){
  .footer-cols{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:460px){
  .footer-cols{grid-template-columns:1fr}
}