/* ============================================================
   VASTOCE — 研究晨报设计系统 v3 (Light Edition)
   意象：中文财经研究日报 · 暖纸底 × 衬线报头 × hairline 网格
   ============================================================ */

:root{
  /* 纸与墨 */
  --paper:      #F6F3EC;   /* 暖纸底 */
  --paper-deep: #EFEBE0;   /* 纸面加深 */
  --panel:      #FFFFFF;   /* 白面板 */
  --ink:        #1D1B16;   /* 暖墨 */
  --tx2:        #45423A;
  --tx3:        #8B867A;
  --line:       #E2DCCD;   /* 纸色细线 */
  --line2:      #CFC7B4;   /* 深细线 */

  /* 双色体系（浅色适配） */
  --ai:         #2D5BD1;   /* AI · 靛蓝 */
  --ai-deep:    #1F4098;
  --ai-bg:      #ECF1FB;
  --gold:       #9C6B0C;   /* Crypto · 铜金 */
  --gold-deep:  #7A530A;
  --gold-bg:    #F9F1DE;
  --up:         #1D7A4F;
  --dn:         #B43629;

  /* 字体 */
  --serif: "Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:  -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC",sans-serif;
  --mono:  "SF Mono",ui-monospace,Menlo,Consolas,monospace;

  /* 层级 */
  --sh-1: 0 1px 2px rgba(29,27,22,.05), 0 2px 8px rgba(29,27,22,.04);
  --sh-2: 0 2px 6px rgba(29,27,22,.07), 0 12px 32px rgba(29,27,22,.08);
  --r: 6px;
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--sans);
  font-size:15px; line-height:1.75;
  color:var(--tx2);
  background:
    radial-gradient(1200px 500px at 85% -5%, rgba(45,91,209,.045), transparent 60%),
    radial-gradient(1000px 460px at 8% -4%, rgba(156,107,12,.05), transparent 55%),
    var(--paper);
  min-height:100vh;
}
::selection{ background:var(--gold-bg); color:var(--gold-deep); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
.wrap{ max-width:1180px; margin:0 auto; padding:0 28px; }

/* ============ 阅读进度条 ============ */
#progress{
  position:fixed; top:0; left:0; height:3px; width:0;
  background:linear-gradient(90deg, var(--ai), var(--gold));
  z-index:120; transition:width .12s linear;
}

/* ============================================================
   报头 MASTHEAD — 报纸刊头结构
   ============================================================ */
.mast{ background:transparent; }
.mast-top{
  border-top:3px solid var(--ink);
  border-bottom:1px solid var(--line2);
  font-family:var(--mono); font-size:11px; letter-spacing:.08em;
  color:var(--tx3);
}
.mast-top .wrap{ display:flex; justify-content:space-between; align-items:center; height:34px; }
.mast-top .mt-links{ display:flex; gap:18px; }
.mast-top .mt-links a{ color:var(--tx3); transition:color .2s; }
.mast-top .mt-links a:hover{ color:var(--ink); }

.brand-zone{ padding:34px 0 26px; text-align:center; }
.brand{
  display:inline-flex; flex-direction:column; align-items:center; gap:10px;
}
.brand-name{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(46px, 7vw, 76px);
  letter-spacing:.30em; text-indent:.30em;   /* 字距视觉居中 */
  color:var(--ink); line-height:1;
}
.brand-name span{ color:var(--gold); }
.brand-slogan{
  font-size:12px; letter-spacing:.5em; text-indent:.5em;
  color:var(--tx3); text-transform:uppercase;
}
.brand-rule{
  width:100%; margin-top:22px;
  border-top:1px solid var(--ink);
  border-bottom:1px solid var(--ink);
  height:5px;
}

/* ============ 主导航（sticky） ============ */
.mainnav{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.4) blur(14px);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--line);
}
.mainnav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:52px;
}
.mn-links{ display:flex; gap:4px; height:100%; }
.mn-links a{
  display:flex; align-items:center; padding:0 18px;
  font-size:14px; color:var(--tx2); font-weight:500;
  border-bottom:2px solid transparent;
  transition:color .2s, border-color .2s;
  height:100%;
}
.mn-links a:hover{ color:var(--ink); }
.mn-links a.active{ color:var(--ink); font-weight:700; border-bottom-color:var(--ink); }
.mn-sub{
  display:flex; align-items:center; gap:14px;
  font-family:var(--mono); font-size:11px; color:var(--tx3); letter-spacing:.06em;
}
.mn-sub .sub-btn{
  background:transparent; color:var(--ink);
  border:1.5px solid var(--ink);
  padding:6px 16px; font-family:var(--sans); font-size:12.5px; font-weight:600;
  letter-spacing:.12em; border-radius:3px;
  transition:background .2s, color .2s;
}
.mn-sub .sub-btn:hover{ background:var(--ink); color:#F6F3EC; }

/* ============ 行情 Ticker ============ */
.ticker{
  background:var(--panel); border-bottom:1px solid var(--line);
  display:flex; align-items:stretch; height:36px; overflow:hidden;
}
.tick-label{
  flex:0 0 auto; display:flex; align-items:center; gap:7px;
  background:var(--ink); color:#F6F3EC;
  font-family:var(--mono); font-size:10.5px; font-weight:700; letter-spacing:.14em;
  padding:0 14px;
}
.tick-label i{
  width:6px; height:6px; border-radius:50%; background:#7BD9A2;
  animation:pulse 2s infinite;
}
@keyframes pulse{ 0%,100%{opacity:1; transform:scale(1);} 50%{opacity:.35; transform:scale(.75);} }
.tick-view{ flex:1; overflow:hidden; display:flex; align-items:center; }
.tick-track{
  display:inline-flex; white-space:nowrap; gap:34px; padding-left:26px;
  font-family:var(--mono); font-size:12px; color:var(--tx2);
  animation:tick 30s linear infinite;
}
@keyframes tick{ from{transform:translateX(0);} to{transform:translateX(-50%);} }
.tk b{ color:var(--ink); font-weight:600; }
.tk .pct.up{ color:var(--up); }
.tk .pct.dn{ color:var(--dn); }
.ticker:hover .tick-track{ animation-play-state:paused; }

/* ============ 分类徽章 ============ */
.badge{
  display:inline-block; font-size:11px; font-weight:700; letter-spacing:.1em;
  padding:2px 9px 3px; border-radius:3px; line-height:1.6;
  font-family:var(--sans);
}
.badge.cat-ai{ background:var(--ai-bg); color:var(--ai-deep); }
.badge.cat-crypto{ background:var(--gold-bg); color:var(--gold-deep); }
/* category 模板经 --c 注入时 */
.badge[style*="--c"]{ background:color-mix(in srgb, var(--c) 10%, white); color:var(--c); }

/* ============================================================
   首页 — 头版结构
   ============================================================ */
.front{ padding:44px 0 10px; }
.front-grid{ display:grid; grid-template-columns:minmax(0,1fr) 348px; gap:44px; }

/* --- 今日头条（无卡排印，直接落在纸上） --- */
.lead{}
.lead-kicker{
  display:flex; align-items:center; gap:12px;
  font-family:var(--mono); font-size:11px; letter-spacing:.2em;
  color:var(--gold-deep); margin-bottom:18px;
}
.lead-kicker::before{ content:""; width:34px; height:2px; background:var(--gold); }

/* featured 头条卡（build.py art_card featured 输出，重塑为头版排印） */
.card.featured{
  display:block; background:transparent; border:none;
  border-radius:0; box-shadow:none;
  padding:0;
}
.card.featured .card-hero{ margin:0 0 22px; border-radius:var(--r); overflow:hidden; border:1px solid var(--line); }
.card.featured .card-body{ padding:0; background:none; }
.card.featured .card-meta{ margin-bottom:16px; display:flex; align-items:center; gap:14px; }
.card.featured .card-meta time{
  font-family:var(--mono); font-size:12px; color:var(--tx3); letter-spacing:.06em;
}
.card.featured .card-title{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(30px, 3.6vw, 42px); line-height:1.28;
  color:var(--ink); margin-bottom:16px; letter-spacing:.01em;
}
.card.featured .card-sum{
  font-size:16.5px; line-height:1.9; color:var(--tx2);
  max-width:64ch; margin-bottom:20px;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
}
.card.featured .card-foot{
  display:flex; align-items:center; gap:20px;
  font-family:var(--mono); font-size:12px; color:var(--tx3); letter-spacing:.05em;
}
.card.featured .arrow{
  color:var(--gold-deep); font-family:var(--sans); font-weight:600; font-size:13px;
  display:inline-flex; align-items:center; gap:6px;
}
.card.featured:hover .card-title{ text-decoration:underline; text-decoration-thickness:2px; text-underline-offset:7px; text-decoration-color:var(--gold); }
.card.featured.nohero .card-body{ padding:0; }

/* --- 今日速览（右栏白卡） --- */
.wire{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--r);
  box-shadow:var(--sh-1); overflow:hidden;
  align-self:start; position:sticky; top:76px;
}
.wire-head{
  display:flex; align-items:baseline; justify-content:space-between;
  padding:16px 20px 12px; border-bottom:2px solid var(--ink);
}
.wire-head h2{ font-family:var(--serif); font-size:18px; font-weight:900; color:var(--ink); letter-spacing:.06em; }
.wire-head span{ font-family:var(--mono); font-size:10px; color:var(--tx3); letter-spacing:.18em; }
.wire-body{ padding:6px 0 4px; }
.latest-item{
  display:grid; grid-template-columns:44px 1fr; gap:4px 12px;
  padding:12px 20px; border-bottom:1px dashed var(--line);
  transition:background .2s;
}
.latest-item:last-of-type{ border-bottom:none; }
.latest-item:hover{ background:var(--paper); }
.li-date{
  grid-row:1/3; font-family:var(--mono); font-size:10.5px; color:var(--gold-deep);
  letter-spacing:.04em; padding-top:4px;
}
.li-title{
  font-family:var(--serif); font-size:14.5px; font-weight:700; color:var(--ink);
  line-height:1.5; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.latest-item:hover .li-title{ text-decoration:underline; text-underline-offset:4px; }
.li-cat{ font-size:11px; color:var(--tx3); letter-spacing:.08em; }
.wire-foot{
  padding:12px 20px; border-top:2px solid var(--ink);
  font-size:12.5px; font-weight:600; color:var(--ink);
  display:flex; justify-content:space-between; align-items:center;
  transition:background .2s;
}
.wire-foot:hover{ background:var(--paper); }
.wire-foot::after{ content:"→"; font-family:var(--mono); }

/* ============================================================
   编辑流 — 最新报道（报纸目录式）
   ============================================================ */
.desk{ margin-top:34px; }
.desk-head{
  display:flex; align-items:baseline; justify-content:space-between;
  padding:14px 0 18px;
  border-top:3px double var(--ink);
}
.desk-head h2{
  font-family:var(--serif); font-size:24px; font-weight:900; color:var(--ink); letter-spacing:.04em;
}
.desk-head .dh-en{ font-family:var(--mono); font-size:11px; color:var(--tx3); letter-spacing:.22em; }

.ed-grid{ display:grid; grid-template-columns:1fr 1fr; gap:0 52px; border-top:1px solid var(--line); }
.ed-item{
  display:grid; grid-template-columns:52px 1fr; gap:0 14px;
  padding:24px 6px 24px 2px; border-bottom:1px solid var(--line);
  position:relative; transition:background .25s;
}
.ed-item:hover{ background:rgba(255,255,255,.75); }
.ed-num{
  font-family:var(--serif); font-size:34px; font-weight:400; line-height:1;
  color:var(--line2); padding-top:3px; transition:color .25s;
}
.ed-item:hover .ed-num{ color:var(--gold); }
.ed-item .card-meta{
  display:flex; align-items:center; gap:12px; margin-bottom:8px; flex-wrap:wrap;
}
.ed-item .card-meta time{ font-family:var(--mono); font-size:11px; color:var(--tx3); }
.ed-item .card-meta span[style]{ color:var(--tx3)!important; }
.ed-title{
  font-family:var(--serif); font-size:19.5px; font-weight:900; color:var(--ink);
  line-height:1.45; margin-bottom:7px; letter-spacing:.01em;
}
.ed-item:hover .ed-title{ text-decoration:underline; text-decoration-color:var(--line2); text-underline-offset:6px; }
.ed-sum{
  font-size:13.5px; color:var(--tx3); line-height:1.75;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

/* ============================================================
   栏目带 — 双栏目入口
   ============================================================ */
.desks{ margin:52px 0 0; }
.desk-cards{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.desk-card{
  position:relative; overflow:hidden;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--r);
  padding:30px 32px 26px;
  transition:transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s;
}
.desk-card:hover{ transform:translateY(-3px); box-shadow:var(--sh-2); }
.desk-card::before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
}
.desk-card.d-ai::before{ background:var(--ai); }
.desk-card.d-crypto::before{ background:var(--gold); }
.desk-card .dc-icon{
  width:44px; height:44px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px;
}
.d-ai .dc-icon{ background:var(--ai-bg); }
.d-ai .dc-icon svg{ width:24px; height:24px; fill:var(--ai-deep); }
.d-crypto .dc-icon{ background:var(--gold-bg); }
.d-crypto .dc-icon svg{ width:24px; height:24px; fill:var(--gold-deep); }
.desk-card h3{
  font-family:var(--serif); font-size:22px; font-weight:900; color:var(--ink);
  margin-bottom:6px; letter-spacing:.02em;
}
.desk-card .dc-en{ font-family:var(--mono); font-size:10.5px; letter-spacing:.2em; color:var(--tx3); display:block; margin-bottom:12px; }
.desk-card p{ font-size:13.5px; color:var(--tx3); line-height:1.8; margin-bottom:16px; }
.desk-card .dc-go{
  font-size:13px; font-weight:700; letter-spacing:.06em;
  display:inline-flex; align-items:center; gap:6px;
}
.d-ai .dc-go{ color:var(--ai-deep); }
.d-crypto .dc-go{ color:var(--gold-deep); }
.desk-card .dc-go::after{ content:"→"; font-family:var(--mono); transition:transform .25s; }
.desk-card:hover .dc-go::after{ transform:translateX(4px); }

/* ============================================================
   文章页 — 白纸研读面板
   ============================================================ */
.art-hero-zone{ padding:38px 0 8px; }
.crumbs{
  font-family:var(--mono); font-size:11px; letter-spacing:.1em;
  color:var(--tx3); margin-bottom:22px; display:flex; gap:10px; align-items:center;
}
.crumbs a:hover{ color:var(--ink); }
.crumbs .sep{ color:var(--line2); }

.art-shell{ display:grid; grid-template-columns:minmax(0,1fr) 250px; gap:52px; }

.paper{
  background:var(--panel); border:1px solid var(--line); border-radius:8px;
  box-shadow:var(--sh-1);
  padding:clamp(28px, 5vw, 58px) clamp(22px, 6vw, 68px);
}
.art-head .card-meta{ display:flex; align-items:center; gap:14px; margin-bottom:18px; }
.art-head .card-meta time{
  font-family:var(--mono); font-size:12px; color:var(--tx3); letter-spacing:.06em;
}
.art-title{
  font-family:var(--serif); font-weight:900;
  font-size:clamp(27px, 3.4vw, 38px); line-height:1.35;
  color:var(--ink); letter-spacing:.01em; margin-bottom:18px;
}
.art-lead{
  border-left:3px solid var(--gold);
  background:linear-gradient(90deg, var(--gold-bg), transparent 78%);
  padding:14px 20px; margin-bottom:20px;
  font-size:15.5px; color:var(--tx2); line-height:1.9;
}
.art-meta{
  display:flex; flex-wrap:wrap; gap:8px 22px;
  font-family:var(--mono); font-size:11.5px; color:var(--tx3); letter-spacing:.05em;
  padding:14px 0; margin-bottom:8px;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.art-meta .verified{ color:var(--up); }
.art-hero{ margin:22px 0 8px; border-radius:var(--r); overflow:hidden; border:1px solid var(--line); }

/* --- 正文排印（衬线研读） --- */
.art-content{
  font-family:var(--serif);
  font-size:16.5px; line-height:2.02; color:#33302A;
  padding-top:16px;
}
.art-content > p:first-of-type::first-letter{
  font-size:3.1em; line-height:1; font-weight:900;
  color:var(--gold-deep);
  float:left; padding:6px 12px 0 0;
}
.art-content h2{
  font-family:var(--serif); font-size:23px; font-weight:900; color:var(--ink);
  margin:44px 0 16px; padding-top:18px; border-top:1px solid var(--line);
  position:relative; padding-left:16px; letter-spacing:.02em;
}
.art-content h2::before{
  content:""; position:absolute; left:0; top:18px; width:4px; height:22px; background:var(--gold); border-radius:2px;
}
.art-content h3{ font-size:18.5px; font-weight:700; color:var(--ink); margin:32px 0 12px; }
.art-content h4{ font-size:16px; font-weight:700; color:var(--ink); margin:26px 0 10px; }
.art-content p{ margin:0 0 18px; }
.art-content a{
  color:var(--ai-deep); text-decoration:underline;
  text-decoration-color:rgba(45,91,209,.35); text-underline-offset:4px;
}
.art-content a:hover{ text-decoration-color:var(--ai-deep); }
.art-content strong{ color:var(--ink); font-weight:700; }
.art-content ul,.art-content ol{ margin:0 0 18px; padding-left:1.6em; }
.art-content li{ margin-bottom:8px; }
.art-content ul li::marker{ color:var(--gold); }
.art-content ol li::marker{ color:var(--gold-deep); font-weight:700; }
.art-content blockquote{
  background:var(--paper);
  border-left:3px solid var(--gold);
  border-radius:0 var(--r) var(--r) 0;
  padding:18px 24px; margin:26px 0;
  color:var(--tx2); font-size:15.5px;
}
.art-content hr{ border:none; border-top:1px dashed var(--line2); margin:34px 0; }
.art-content code{
  font-family:var(--mono); font-size:.86em;
  background:var(--gold-bg); color:var(--gold-deep);
  padding:2px 6px; border-radius:4px;
}
.art-content pre{
  background:var(--ink); color:#E8E3D5;
  padding:18px 22px; border-radius:var(--r);
  overflow-x:auto; margin:0 0 18px;
}
.art-content pre code{ background:none; color:inherit; padding:0; }
.art-content table{
  width:100%; border-collapse:collapse; margin:24px 0;
  font-family:var(--sans); font-size:13.5px;
  background:var(--panel);
}
.art-content thead th{
  background:var(--ink); color:#F6F3EC;
  font-weight:600; text-align:left; padding:10px 14px;
  font-size:12.5px; letter-spacing:.04em;
}
.art-content tbody td{
  padding:10px 14px; border-bottom:1px solid var(--line);
  color:var(--tx2); vertical-align:top;
}
.art-content tbody tr:nth-child(even){ background:rgba(246,243,236,.55); }
.art-content tbody tr:hover{ background:var(--gold-bg); }
.art-content img{ border-radius:var(--r); border:1px solid var(--line); margin:20px auto; }

/* --- FAQ / 参考资料 --- */
.faq{ margin-top:44px; border-top:3px double var(--ink); padding-top:26px; }
.faq h2,.refs h2{
  font-family:var(--serif); font-size:21px; font-weight:900; color:var(--ink);
  margin-bottom:16px; letter-spacing:.03em;
}
.faq details{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--r);
  margin-bottom:10px; overflow:hidden;
}
.faq summary{
  list-style:none; cursor:pointer;
  padding:14px 44px 14px 20px; position:relative;
  font-family:var(--serif); font-size:15.5px; font-weight:700; color:var(--ink);
  transition:background .2s;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+"; position:absolute; right:18px; top:50%;
  font-family:var(--mono); font-size:18px; color:var(--gold-deep);
  transform:translateY(-50%); transition:transform .25s;
}
.faq details[open] summary::after{ transform:translateY(-50%) rotate(45deg); }
.faq details[open] summary{ background:var(--gold-bg); }
.faq summary:hover{ background:var(--paper); }
.faq details p{ padding:16px 20px 18px; font-size:14.5px; line-height:1.9; border-top:1px dashed var(--line); }

.refs{ margin-top:38px; border-top:1px solid var(--line); padding-top:26px; }
.refs ol{ padding-left:1.8em; font-size:13.5px; }
.refs li{ margin-bottom:9px; line-height:1.7; }
.refs li::marker{ font-family:var(--mono); color:var(--gold-deep); font-weight:700; }
.refs a{ color:var(--ai-deep); text-decoration:underline; text-underline-offset:3px; word-break:break-all; }

/* --- 上一篇 / 下一篇 --- */
.pn{
  display:grid; grid-template-columns:1fr 1fr; gap:14px;
  margin-top:38px;
}
.pn-prev,.pn-next{
  border:1px solid var(--line); border-radius:var(--r);
  padding:16px 20px; background:var(--panel);
  transition:border-color .25s, box-shadow .25s;
}
.pn-prev:hover,.pn-next:hover{ border-color:var(--line2); box-shadow:var(--sh-1); }
.pn-prev span,.pn-next span{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.16em; color:var(--tx3);
  display:block; margin-bottom:6px;
}
.pn-next{ text-align:right; }
.pn b{ font-family:var(--serif); font-size:14.5px; font-weight:700; color:var(--ink); line-height:1.55; display:block; }
.pn-prev:hover b,.pn-next:hover b{ text-decoration:underline; text-underline-offset:4px; }

/* --- 相关阅读 --- */
.art-related{ margin-top:44px; }
.art-related h2{
  font-family:var(--serif); font-size:21px; font-weight:900; color:var(--ink);
  letter-spacing:.03em; padding-bottom:12px; margin-bottom:18px;
  border-bottom:3px double var(--ink);
}

/* --- 通用文章卡（related / category） --- */
.cards{ display:grid; gap:18px; }
.cards-auto{ grid-template-columns:repeat(auto-fill, minmax(230px, 1fr)); }
.card{
  display:flex; flex-direction:column;
  background:var(--panel); border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden;
  transition:transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s, border-color .3s;
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--sh-2); border-color:var(--line2); }
.card-hero{ aspect-ratio:16/8.5; overflow:hidden; border-bottom:1px solid var(--line); }
.card-hero img{ width:100%; height:100%; object-fit:cover; transition:transform .5s cubic-bezier(.2,.7,.3,1); }
.card:hover .card-hero img{ transform:scale(1.045); }
.card-body{ padding:18px 20px 16px; display:flex; flex-direction:column; gap:9px; flex:1; }
.card-meta{ display:flex; align-items:center; gap:10px; }
.card-meta time{ font-family:var(--mono); font-size:11px; color:var(--tx3); letter-spacing:.05em; }
.card-title{
  font-family:var(--serif); font-size:17px; font-weight:900; color:var(--ink);
  line-height:1.5; letter-spacing:.01em;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.card:hover .card-title{ text-decoration:underline; text-decoration-color:var(--line2); text-underline-offset:5px; }
.card-sum{
  font-size:13px; color:var(--tx3); line-height:1.72;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.card-foot{
  margin-top:auto; padding-top:12px;
  display:flex; justify-content:space-between; align-items:center;
  font-family:var(--mono); font-size:11px; color:var(--tx3); letter-spacing:.04em;
  border-top:1px dashed var(--line);
}
.card .arrow{ color:var(--gold-deep); font-family:var(--sans); font-size:12px; font-weight:600; }

/* --- 侧栏 TOC --- */
.art-side .sticky{ position:sticky; top:84px; }
.toc{
  border-left:2px solid var(--line); padding:6px 0 6px 18px;
}
.toc::before{
  content:"本文目录 · INDEX";
  display:block; font-family:var(--mono); font-size:10px; letter-spacing:.2em;
  color:var(--tx3); margin-bottom:12px;
}
.toc a{
  display:block; font-size:12.5px; color:var(--tx3); line-height:1.6;
  padding:5px 0 5px 12px; border-left:2px solid transparent; margin-left:-20px;
  transition:color .2s;
}
.toc a:hover{ color:var(--ink); }
.toc a.on{
  color:var(--gold-deep); font-weight:700;
  border-left-color:var(--gold);
}

/* ============================================================
   分类页
   ============================================================ */
.cat-hero{ padding:44px 0 26px; border-bottom:3px double var(--ink); margin-bottom:34px; }
.cat-hero .badge{ margin-bottom:14px; }
.cat-hero h1{
  font-family:var(--serif); font-size:clamp(30px, 4vw, 44px); font-weight:900;
  color:var(--ink); letter-spacing:.02em; margin-bottom:12px;
}
.cat-hero p{ font-size:14.5px; color:var(--tx3); max-width:60ch; }
.cat-count{
  margin-top:14px; font-family:var(--mono); font-size:10.5px; color:var(--tx3); letter-spacing:.12em; opacity:.9;
}
.cat-list{ padding-bottom:10px; }
.cards-3{ display:contents; }
.cat-featured{
  display:grid; grid-template-columns:1.05fr 1fr; gap:0;
  background:var(--panel); border:1px solid var(--line); border-radius:8px;
  overflow:hidden; margin-bottom:26px;
  transition:box-shadow .3s, border-color .3s;
}
.cat-featured:hover{ box-shadow:var(--sh-2); border-color:var(--line2); }
.cat-featured .card-hero{ aspect-ratio:auto; min-height:300px; border-bottom:none; border-right:1px solid var(--line); }
.cat-list .card.featured{ display:grid; grid-template-columns:1.05fr 1fr; background:var(--panel); border:1px solid var(--line); border-radius:8px; overflow:hidden; margin-bottom:28px; }
.cat-list .card.featured .card-hero{ margin:0; aspect-ratio:auto; min-height:300px; border:none; border-right:1px solid var(--line); border-radius:0; }
.cat-list .card.featured .card-body{ padding:34px 38px; display:flex; flex-direction:column; justify-content:center; gap:12px; }
.cat-list .card.featured .card-title{ font-size:clamp(24px, 2.6vw, 32px); }
.cat-list .card.featured .card-sum{ display:block; -webkit-line-clamp:4; font-size:15px; }
.cat-list .cards-auto{ grid-template-columns:repeat(auto-fill, minmax(270px, 1fr)); gap:20px; }

/* ============================================================
   关于页
   ============================================================ */
.about-wrap{
  max-width:820px; margin:44px auto 60px;
  background:var(--panel); border:1px solid var(--line); border-radius:8px;
  box-shadow:var(--sh-1); padding:clamp(28px,5vw,56px);
}
.about-wrap h2{ font-family:var(--serif); font-size:24px; font-weight:900; color:var(--ink); margin:38px 0 14px; border-top:1px solid var(--line); padding-top:22px; }
.about-wrap h2:first-child{ margin-top:0; border-top:none; padding-top:0; }
.about-wrap p{ margin-bottom:14px; }

/* ============================================================
   页脚 — 墨色版权栏
   ============================================================ */
.site-foot{ margin-top:72px; background:var(--ink); color:rgba(246,243,236,.78); }
.foot-grid{
  display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:44px;
  padding:52px 0 44px;
}
.foot-brand .fb-name{
  font-family:var(--serif); font-size:26px; font-weight:900;
  letter-spacing:.24em; color:#F6F3EC; margin-bottom:10px;
}
.foot-brand .fb-name span{ color:var(--gold); }
.foot-brand p{ font-size:13px; line-height:1.9; color:rgba(246,243,236,.55); max-width:40ch; }
.foot-col h4{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.22em;
  color:rgba(246,243,236,.45); margin-bottom:16px; font-weight:600;
}
.foot-col a{
  display:block; font-size:13.5px; padding:5px 0;
  color:rgba(246,243,236,.78); transition:color .2s, transform .2s;
}
.foot-col a:hover{ color:var(--gold); transform:translateX(3px); }
.foot-base{
  border-top:1px solid rgba(246,243,236,.14);
  padding:20px 0 26px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  font-family:var(--mono); font-size:11px; letter-spacing:.08em;
  color:rgba(246,243,236,.4);
}

/* ============================================================
   显现动画（渐进增强：仅 jsre 模式）
   ============================================================ */
.jsre .rv{ opacity:0; transform:translateY(14px); }
.jsre .rv.in{
  opacity:1; transform:none;
  transition:opacity .65s cubic-bezier(.2,.6,.3,1), transform .65s cubic-bezier(.2,.6,.3,1);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1080px){
  .front-grid{ grid-template-columns:1fr; }
  .wire{ position:static; }
  .art-shell{ grid-template-columns:1fr; }
  .art-side{ display:none; }
}
@media (max-width:860px){
  .desk-cards{ grid-template-columns:1fr; }
  .ed-grid{ grid-template-columns:1fr; gap:0; }
  .cat-list .card.featured{ grid-template-columns:1fr; }
  .cat-list .card.featured .card-hero{ min-height:0; aspect-ratio:16/8.5; border-right:none; border-bottom:1px solid var(--line); }
  .cat-list .card.featured .card-body{ padding:24px; }
  .foot-grid{ grid-template-columns:1fr; gap:30px; padding:40px 0 32px; }
}
@media (max-width:640px){
  .wrap{ padding:0 18px; }
  .brand-zone{ padding:24px 0 20px; }
  .brand-name{ font-size:44px; letter-spacing:.2em; text-indent:.2em; }
  .brand-slogan{ letter-spacing:.3em; text-indent:.3em; font-size:10.5px; }
  .mn-links a{ padding:0 12px; font-size:13px; }
  .mn-sub .sub-btn{ padding:6px 12px; font-size:11.5px; }
  .desk-head{ flex-direction:column; gap:4px; align-items:flex-start; }
  .pn{ grid-template-columns:1fr; }
  .art-content{ font-size:15.5px; line-height:1.95; }
  .art-content > p:first-of-type::first-letter{ font-size:2.6em; }
  .art-content thead th{ padding:8px 10px; font-size:11.5px; }
  .art-content tbody td{ padding:8px 10px; font-size:12.5px; }
  .card.featured .card-sum{ font-size:15px; }
  .li-date{ grid-row:auto; }
  .latest-item{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important; }
  html{ scroll-behavior:auto; }
}

/* 打印友好 */
@media print{
  .mainnav,.ticker,.art-side,.site-foot,#progress,.wire{ display:none!important; }
  body{ background:#fff; }
  .paper{ box-shadow:none; border:none; padding:0; }
}