/* ============================================================
   迁徙志 · 老书风首页
   参考：Daunt Books · Folio Society · Penguin Classics · 三一图书馆
   全程哑光、无闪光金色、纸张与油墨的克制感
   ============================================================ */

:root{
  /* 纸张色阶（暖米黄） */
  --paper-1:      #EDE4D0;     /* 主羊皮纸底 */
  --paper-2:      #E6DCC4;     /* 略深 */
  --paper-3:      #DDD0B0;     /* 更深，卡片底 */
  --paper-4:      #C7B690;     /* 浅褐边 */
  --paper-edge:   #B7A57E;     /* 纸边毛刺 */

  /* 油墨色阶 */
  --ink-1:        #1F1A14;     /* 主油墨黑棕 */
  --ink-2:        #3A332A;     /* 副墨色 */
  --ink-3:        #6B5E4D;     /* 灰墨 */
  --ink-4:        #8A7D69;     /* 浅墨 */

  /* 书脊色（沉稳，非荧光） */
  --oxblood:      #6B2C2C;     /* 暗红印章 */
  --oxblood-2:    #4A1F1F;     /* 更深 */
  --forest:       #3D4F35;     /* 哑光森林绿 */
  --navy:         #1F2E47;     /* 哑光深蓝 */
  --copper:       #8B6B45;     /* 哑光古铜，绝不闪 */
  --copper-2:     #6B5235;     /* 古铜深 */

  /* 皮革色（章节背景用） */
  --leather:      #2A1F18;     /* 旧书皮深棕 */
  --leather-2:    #3A2D22;     /* 略浅 */

  --serif-display: "Cormorant Garamond", "Garamond", "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --serif-small:   "Cormorant Garamond", "Garamond", "Songti SC", Georgia, serif;
}

html, body{ background:var(--paper-1); }
body{
  color:var(--ink-1);
  font-family:var(--sans);
  background:
    radial-gradient(ellipse at 30% 0%,  rgba(0,0,0,.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(0,0,0,.05) 0%, transparent 60%),
    var(--paper-1);
}

/* 极淡纸纹噪声 - 整页一致的纸张感 */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none; z-index:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='p'><feTurbulence type='fractalNoise' baseFrequency='0.62' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.18  0 0 0 0 0.15  0 0 0 0 0.08  0 0 0 0.09 0'/></filter><rect width='100%' height='100%' filter='url(%23p)'/></svg>");
  opacity:.65;
  mix-blend-mode:multiply;
}

/* ============================================================
   顶栏（透明在封面上 → 滚动后变实）
============================================================ */
.site-header{
  background:transparent;
  border-bottom:0;
  position:fixed; top:0; left:0; right:0;
  z-index:60;
  transition:background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
}
.site-header.scrolled{
  background:rgba(237,228,208,.92);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--paper-edge);
}

/* 在 hero 上方时，反相文字让其在深色照片上可读 */
.site-header:not(.scrolled) .brand-name{
  color:var(--paper-1);
  text-shadow:0 1px 4px rgba(0,0,0,.75);
}
.site-header:not(.scrolled) .header-date{
  color:rgba(237,228,208,.85);
  text-shadow:0 1px 3px rgba(0,0,0,.7);
}
.site-header:not(.scrolled) .brand-mark{
  background:var(--paper-1);
  color:var(--ink-1);
  box-shadow:0 2px 10px rgba(0,0,0,.45);
}
.site-header:not(.scrolled) .menu-btn span{
  background:var(--paper-1);
  box-shadow:0 1px 2px rgba(0,0,0,.5);
}
.site-header:not(.scrolled) .nav-cta{
  box-shadow:0 4px 14px rgba(0,0,0,.4);
}
.brand-mark{
  background:var(--ink-1);
  color:var(--paper-1);
  border-radius:1px;
  box-shadow:none;
  font-family:var(--serif-display);
}
.brand-name{
  font-family:var(--serif-display);
  color:var(--ink-1);
  letter-spacing:.08em;
  font-size:22px;
  font-weight:600;
}
.header-date{
  font-family:var(--serif-small);
  color:var(--ink-3);
  font-style:italic;
}
.menu-btn span{ background:var(--ink-1); }
.site-nav{
  background:var(--paper-1);
  border-top-color:var(--paper-edge);
}
.site-nav a{
  color:var(--ink-1);
  border-bottom-color:var(--paper-edge);
  font-family:var(--serif-display);
  letter-spacing:.06em;
  font-size:16px;
  font-weight:500;
}
.site-nav a:hover{ color:var(--oxblood); }

/* CTA 改为哑光暗红（不再亮金） */
.nav-cta{
  background:var(--oxblood);
  color:var(--paper-1);
  font-family:var(--serif-display);
  letter-spacing:.04em;
  font-weight:600;
  box-shadow:none;
  border-radius:1px;
}
.nav-cta:hover{
  background:var(--oxblood-2);
  transform:translateY(-1px);
}
.nav-cta-dot{ background:var(--paper-1); }

/* ============================================================
   封面 · 扉页 FRONTISPIECE （桌上的一张纸笺）
============================================================ */
.cover{
  position:relative;
  min-height:100vh;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
  z-index:1;
  padding:90px 24px 60px;
  background:var(--leather);
}

/* 实景大图 - 古旧书桌烛光 */
.cover-photo{
  position:absolute; inset:0;
  background-image:url("https://images.unsplash.com/photo-1419640303358-44f0d27f48e7?w=2400&q=85");
  background-size:cover;
  background-position:center;
  z-index:0;
  filter:saturate(85%) brightness(75%) contrast(105%);
  animation:kenBurns 32s ease-in-out infinite alternate;
  transform-origin:center;
}
@keyframes kenBurns{
  from{ transform:scale(1.04) translate(0, 0); }
  to  { transform:scale(1.12) translate(-1.5%, 1%); }
}

/* 暖色暗化叠层 - 让文字可读 + 强化"昏黄烛光"感 */
.cover-stars{ display:none; }
.cover-vignette{
  position:absolute; inset:0; z-index:1;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 0%, rgba(20,12,5,.55) 75%, rgba(15,8,3,.85) 100%),
    linear-gradient(180deg, rgba(20,12,5,.35) 0%, rgba(20,12,5,.2) 50%, rgba(20,12,5,.65) 100%);
  pointer-events:none;
}

/* 桌上的一张纸 - 米黄羊皮纸效果 */
.frontispiece{
  position:relative;
  z-index:2;
  max-width:620px;
  width:100%;
  padding:56px 40px 46px;
  text-align:center;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(255,250,235,.6) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 100%, rgba(0,0,0,.04) 0%, transparent 50%),
    var(--paper-1);
  border:1px solid rgba(31,26,20,.85);
  outline:1px solid rgba(31,26,20,.85);
  outline-offset:6px;
  /* 桌上纸张的阴影，让纸像真的浮在桌面上 */
  box-shadow:
    0 1px 0 rgba(255,255,255,.15),
    0 30px 60px -20px rgba(0,0,0,.85),
    0 60px 100px -30px rgba(0,0,0,.65);
  animation:settle 1.4s ease-out both;
  /* 微妙的旋转，像随手放下的 */
  transform:rotate(-.4deg);
}
/* 纸纹叠在扉页上 */
.frontispiece > *{ position:relative; z-index:1; }
.frontispiece::after{
  content:"";
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='fp'><feTurbulence type='fractalNoise' baseFrequency='0.6' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.25  0 0 0 0 0.2  0 0 0 0 0.1  0 0 0 0.12 0'/></filter><rect width='100%' height='100%' filter='url(%23fp)'/></svg>");
  mix-blend-mode:multiply;
  opacity:.6;
  pointer-events:none;
  z-index:0;
}
@keyframes settle{
  from{ opacity:0; filter:blur(6px); }
  to  { opacity:1; filter:blur(0);   }
}
@media (min-width:760px){
  .frontispiece{ padding:80px 60px 70px; }
}

/* 四角雕刻装饰 */
/* 四角小角饰已并入 outline，省略 */

.frontispiece-publisher{
  font-family:var(--serif-display);
  font-size:11px;
  letter-spacing:.36em;
  text-transform:uppercase;
  color:var(--ink-2);
  margin-bottom:36px;
  font-weight:600;
}

.frontispiece-title{
  font-family:var(--serif-display);
  font-weight:600;
  font-size:88px;
  line-height:1;
  letter-spacing:.08em;
  margin:0 0 18px;
  color:var(--ink-1);
  /* 仿活字印刷的微微"压痕" */
  text-shadow:
    0 1px 0 rgba(31,26,20,.08),
    0 0 30px rgba(31,26,20,.04);
}
@media (max-width:760px){ .frontispiece-title{ font-size:60px; } }
@media (min-width:1200px){ .frontispiece-title{ font-size:108px; } }

.frontispiece-rule{
  display:flex; align-items:center; justify-content:center;
  margin:12px auto 18px;
  max-width:220px;
}
.frontispiece-rule::before,
.frontispiece-rule::after{
  content:""; flex:1; height:1px;
  background:var(--ink-1);
}
.frontispiece-rule svg{
  width:30px; height:12px;
  margin:0 14px;
}

.frontispiece-subtitle{
  font-family:var(--serif-display);
  font-style:italic;
  font-weight:400;
  font-size:24px;
  line-height:1.4;
  color:var(--ink-1);
  margin:0 0 8px;
}
@media (min-width:760px){ .frontispiece-subtitle{ font-size:30px; } }

.frontispiece-tagline{
  font-family:var(--serif-display);
  font-size:13px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--ink-2);
  margin:30px 0 8px;
  font-weight:600;
}
.frontispiece-tagline-cn{
  font-family:var(--serif-display);
  font-size:14px;
  letter-spacing:.2em;
  color:var(--ink-2);
  margin-top:4px;
}

.frontispiece-foot{
  margin-top:42px;
  padding-top:24px;
  border-top:1px solid var(--paper-edge);
  font-family:var(--serif-display);
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--ink-3);
  font-weight:500;
}
.frontispiece-foot strong{
  color:var(--ink-1);
  font-weight:700;
}

/* 翻开本期 */
.cover-scroll{
  position:absolute;
  bottom:32px; left:50%;
  transform:translateX(-50%);
  z-index:3;
  text-align:center;
  font-family:var(--serif-display);
  font-style:italic;
  font-size:14px;
  letter-spacing:.12em;
  color:rgba(237,228,208,.85);
  text-decoration:none;
  text-shadow:0 1px 4px rgba(0,0,0,.8);
}
.cover-scroll::after{
  content:"";
  display:block;
  width:1px; height:32px;
  background:rgba(237,228,208,.7);
  margin:14px auto 0;
  animation:inkDrop 2.6s ease-in-out infinite;
  transform-origin:top;
  box-shadow:0 0 6px rgba(0,0,0,.4);
}
@keyframes inkDrop{
  0%,100%{ transform:scaleY(.7); opacity:.6; }
  50%    { transform:scaleY(1);  opacity:1;   }
}

/* 移除原本的 cover-ornament（四角金色花纹） */
.cover-ornament{ display:none; }

/* ============================================================
   主体 BOOK BODY
============================================================ */
.book-body{
  position:relative;
  z-index:2;
  background:transparent;
}

/* 章节标题（替换 style.css 的 .section-head） */
.home-section{
  position:relative;
  padding:80px 0 64px;
}
@media (min-width:760px){ .home-section{ padding:120px 0 96px; } }

.chapter-head{
  text-align:center;
  margin-bottom:48px;
  position:relative;
}
.chapter-roman{
  font-family:var(--serif-display);
  font-style:italic;
  font-size:14px;
  letter-spacing:.18em;
  color:var(--ink-3);
  margin-bottom:14px;
  font-weight:400;
}
.chapter-title{
  font-family:var(--serif-display);
  font-weight:600;
  font-size:44px;
  line-height:1.05;
  margin:0 0 6px;
  color:var(--ink-1);
  letter-spacing:.06em;
}
@media (min-width:760px){ .chapter-title{ font-size:68px; } }

.chapter-en{
  font-family:var(--serif-display);
  font-size:11px;
  letter-spacing:.42em;
  text-transform:uppercase;
  color:var(--ink-3);
  margin-top:8px;
  font-weight:600;
}

/* 雕刻装饰花纹（替换原本 ✦） */
.chapter-flourish{
  margin:20px auto 0;
  width:240px;
  display:flex; align-items:center; justify-content:center;
}
.chapter-flourish svg{
  width:100%; height:18px;
  fill:none; stroke:var(--ink-2);
  stroke-width:.8;
}

.chapter-dek{
  max-width:600px;
  margin:28px auto 0;
  font-family:var(--serif-display);
  font-style:italic;
  font-size:18px;
  line-height:1.65;
  color:var(--ink-2);
}
.chapter-dek strong{
  color:var(--ink-1);
  font-weight:600;
  font-style:normal;
}

/* ============================================================
   Chapter I · 隐藏赛道 · 旧皮革背景 + 藏书票卡
============================================================ */
#hidden{
  background:var(--leather);
  border-top:1px solid #1A130D;
  border-bottom:1px solid #1A130D;
  color:var(--paper-1);
  position:relative;
  overflow:hidden;
}
/* 古旧世界地图作为暗调底图 */
#hidden::before{
  content:"";
  position:absolute; inset:0;
  background-image:url("https://images.unsplash.com/photo-1723306744533-bed5a4f696dc?w=2000&q=85");
  background-size:cover;
  background-position:center;
  filter:sepia(60%) saturate(70%) contrast(105%) brightness(45%);
  opacity:.4;
  pointer-events:none;
}
/* 皮革噪声纹理叠加 */
#hidden::after{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0,0,0,.35) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(0,0,0,.4) 0%, transparent 50%);
  pointer-events:none;
}
#hidden > *{ position:relative; z-index:1; }

#hidden .chapter-title{ color:var(--paper-1); }
#hidden .chapter-roman,
#hidden .chapter-en{ color:var(--paper-3); }
#hidden .chapter-flourish svg{ stroke:var(--paper-3); }
#hidden .chapter-dek{ color:rgba(237,228,208,.78); }
#hidden .chapter-dek strong{ color:var(--paper-1); }

.hidden-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  max-width:1200px;
  margin:0 auto;
  position:relative;
  z-index:1;
  perspective:1400px;
}
@media (min-width:640px){
  .hidden-grid{ grid-template-columns:repeat(2,1fr); gap:28px; }
}
@media (min-width:1024px){
  .hidden-grid{ grid-template-columns:repeat(3,1fr); gap:32px; }
}

/* 藏书票风格卡片 - 在皮革背景上的卡片 */
.hidden-card{
  position:relative;
  background:var(--paper-1);
  color:var(--ink-1);
  text-decoration:none;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  transition:transform .25s cubic-bezier(.2,.7,.3,1), box-shadow .25s ease;
  box-shadow:
    0 1px 0 var(--paper-edge),
    0 18px 28px -14px rgba(0,0,0,.55);
  border:1px solid var(--paper-edge);
  transform-style:preserve-3d;
  will-change:transform;
}
.hidden-card:hover{
  box-shadow:
    0 1px 0 var(--paper-edge),
    0 32px 44px -16px rgba(0,0,0,.65),
    0 0 0 1px rgba(107,44,44,.18);
}
/* JS 控制磁吸 3D 倾斜后给的 class，CSS 提供平滑过渡 */
.hidden-card.is-tilting{ transition:transform .08s linear, box-shadow .25s ease; }

/* 卡片纸张噪声 */
.hidden-card::before{
  content:"";
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='c'><feTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.35  0 0 0 0 0.28  0 0 0 0 0.15  0 0 0 0.08 0'/></filter><rect width='100%' height='100%' filter='url(%23c)'/></svg>");
  pointer-events:none;
  mix-blend-mode:multiply;
  opacity:.7;
}

/* 卡内上半部：旧照片 - 固定 4:3 纵横比 */
.hidden-card-bg{
  position:relative;
  width:100%;
  aspect-ratio:4/3;
  background-size:cover; background-position:center;
  filter:sepia(28%) saturate(75%) contrast(98%) brightness(92%);
  flex:0 0 auto;
}
.hidden-card-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(31,26,20,.05) 0%, rgba(31,26,20,.5) 100%);
  pointer-events:none;
}
.hidden-card-overlay{ display:none; }

/* 藏书章（替代火漆封印）哑光暗红 */
.wax-seal{
  position:absolute;
  top:14px; right:14px;
  width:62px; height:62px;
  z-index:2;
  filter:drop-shadow(0 1px 2px rgba(0,0,0,.25));
  opacity:.85;
  transform:rotate(-6deg);
  transition:transform .35s ease;
}
.hidden-card:hover .wax-seal{ transform:rotate(-9deg) scale(1.05); }
.wax-seal svg{ width:100%; height:100%; }
@media (min-width:760px){
  .wax-seal{ width:78px; height:78px; top:18px; right:18px; }
}

/* 卡内下半部：文字 - 自适应高度 */
.hidden-card-content{
  position:relative;
  flex:1 1 auto;
  padding:28px 26px 26px;
  display:flex; flex-direction:column;
  background:var(--paper-1);
  border-top:1px solid var(--paper-edge);
  min-height:0;
}
@media (min-width:1024px){
  .hidden-card-content{ padding:34px 32px 30px; }
}

.hidden-card-flag{
  font-size:24px;
  display:none; /* 用国家代码代替 emoji 国旗 */
}
.hidden-card-meta{
  font-family:var(--serif-display);
  font-size:11px; letter-spacing:.32em; text-transform:uppercase;
  color:var(--oxblood);
  font-weight:700;
  margin-bottom:10px;
}
.hidden-card-name{
  font-family:var(--serif-display);
  font-weight:600;
  font-size:38px;
  line-height:1.05;
  margin:0 0 14px;
  color:var(--ink-1);
  letter-spacing:.02em;
  -webkit-background-clip:initial;
  background-clip:initial;
  -webkit-text-fill-color:initial;
  background:none;
}
@media (min-width:1024px){ .hidden-card-name{ font-size:46px; } }
.hidden-card-hook{
  font-family:var(--serif-display);
  font-style:italic;
  font-size:15px;
  line-height:1.6;
  color:var(--ink-2);
  margin:0 0 auto;
}
.hidden-card-stat{
  padding-top:14px;
  margin-top:14px;
  border-top:1px solid var(--paper-edge);
  display:flex; align-items:baseline; justify-content:space-between;
  gap:12px;
}
.stat-num{
  font-family:var(--serif-display);
  font-weight:700;
  font-size:30px;
  color:var(--ink-1);
  letter-spacing:.02em;
  background:none;
  -webkit-text-fill-color:initial;
}
.stat-label{
  font-family:var(--serif-display);
  font-size:10px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--ink-3);
  text-align:right;
}

/* ============================================================
   Chapter II · 今日抄录（在主羊皮纸背景上）
============================================================ */
#daily{ background:transparent; }
#daily .chapter-title{ color:var(--ink-1); }
#daily .chapter-roman,
#daily .chapter-en{ color:var(--ink-3); }
#daily .chapter-dek strong{ color:var(--oxblood); }

.lead{ position:relative; z-index:1; max-width:1100px; margin:0 auto; }
.lead-bg{ aspect-ratio:21/9; min-height:0; max-height:520px; }
@media (max-width:760px){ .lead-bg{ aspect-ratio:4/5; } }

.brief-list{ max-width:880px; margin:0 auto; }
.brief-item{ border-bottom-color:var(--paper-edge); }
.brief-num{
  color:var(--oxblood);
  font-family:var(--serif-display);
}
.brief-title{
  color:var(--ink-1);
  font-family:var(--serif-display);
}
.brief-title:hover{ color:var(--oxblood); }
.brief-dek, .brief-meta{ color:var(--ink-2); }
.brief-meta .tag{
  background:transparent;
  color:var(--ink-2);
  border:1px solid var(--paper-edge);
  font-family:var(--serif-display);
}

/* ============================================================
   Chapter III · 政策追踪（深皮革色 + 哑光卡）
============================================================ */
.tracker{
  background:var(--leather-2);
  border-top:1px solid #1A130D;
  border-bottom:1px solid #1A130D;
  color:var(--paper-1);
  position:relative;
}
.tracker::before{
  content:"";
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='t'><feTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.16  0 0 0 0 0.12  0 0 0 0 0.08  0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23t)'/></svg>");
  opacity:.35; mix-blend-mode:overlay; pointer-events:none;
}
.tracker .chapter-title{ color:var(--paper-1); }
.tracker .chapter-roman,
.tracker .chapter-en{ color:var(--paper-3); }
.tracker .chapter-flourish svg{ stroke:var(--paper-3); }
.ticker-card{
  background:rgba(237,228,208,.07);
  border:1px solid rgba(237,228,208,.15);
  border-left-width:3px;
  color:var(--paper-1);
  font-family:var(--serif-display);
}
.ticker-card.up{ border-left-color:#7CA88A; }
.ticker-card.warn{ border-left-color:var(--copper); }
.ticker-card.down{ border-left-color:#B97777; }
.ticker-card .ticker-meta{ color:var(--paper-3); }
.ticker-card .ticker-val{
  color:var(--paper-1);
  font-family:var(--serif-display);
  background:none;
}
.ticker-card.up .ticker-val{ color:#9FCEA8; }
.ticker-card.down .ticker-val{ color:#DCA0A0; }
.ticker-card.warn .ticker-val{ color:var(--copper); }
.ticker-card .ticker-label{ color:var(--paper-3); }

/* ============================================================
   Chapter IV · 国家专栏（羊皮纸 + 哑光卡）
============================================================ */
.countries{ background:transparent; }
.country-grid{ max-width:1100px; margin:0 auto; }
.country-card{
  background:var(--paper-2);
  border:1px solid var(--paper-edge);
  color:var(--ink-1);
  border-radius:0;
}
.country-card:hover{
  background:var(--ink-1);
  color:var(--paper-1);
  border-color:var(--ink-1);
}
.country-name{
  font-family:var(--serif-display);
  letter-spacing:.04em;
  color:inherit;
  font-weight:600;
}
.country-tag{
  color:var(--ink-3);
  font-family:var(--serif-display);
  font-style:italic;
}
.country-card:hover .country-tag{ color:var(--paper-3); }

/* ============================================================
   Chapter V · 往期（卡片目录抽屉感）
============================================================ */
.archive{
  background:var(--paper-2);
  border-top:1px solid var(--paper-edge);
  border-bottom:1px solid var(--paper-edge);
}
.archive .chapter-title{ color:var(--ink-1); }
.archive-grid{
  background:var(--paper-edge);
  border:1px solid var(--ink-2);
  max-width:1100px; margin:0 auto;
}
.archive-card{
  background:var(--paper-1);
  color:var(--ink-1);
  border-radius:0;
}
.archive-card:hover{ background:var(--paper-3); }
.arch-day{
  color:var(--ink-1);
  font-family:var(--serif-display);
}
.archive-card:hover .arch-day{ color:var(--oxblood); }
.arch-month{
  color:var(--ink-3);
  font-family:var(--serif-display);
  font-style:italic;
}
.arch-date{ border-right-color:var(--paper-edge); }
.arch-headline{
  color:var(--ink-1);
  font-family:var(--serif-display);
}
.arch-dek{
  color:var(--ink-3);
  font-family:var(--serif-display);
}
.arch-tag{
  background:transparent;
  color:var(--ink-2);
  border:1px solid var(--paper-edge);
  font-family:var(--serif-display);
  letter-spacing:.08em;
}
.arch-tag.tag-data{ background:transparent; color:var(--copper-2); border-color:var(--copper); }
.arch-tag.tag-case{ background:transparent; color:var(--oxblood); border-color:var(--oxblood); }
.arch-tag.tag-essay{ background:transparent; color:var(--navy); border-color:var(--navy); }
.archive-more{
  color:var(--ink-1);
  border-color:var(--ink-1);
  font-family:var(--serif-display);
  border-radius:0;
}
.archive-more:hover{
  background:var(--ink-1);
  color:var(--paper-1);
}

/* ============================================================
   Chapter VI · 深度阅读
============================================================ */
.longread{ background:transparent; }
.long-item{ border-bottom-color:var(--paper-edge); }
.long-title{
  color:var(--ink-1);
  font-family:var(--serif-display);
}
.long-title:hover{ color:var(--oxblood); }
.long-dek{ color:var(--ink-3); }
.long-kicker{
  color:var(--oxblood);
  font-family:var(--serif-display);
}
.long-meta{
  color:var(--ink-4);
  font-family:var(--serif-display);
  font-style:italic;
}

/* ============================================================
   关于 / 联系
============================================================ */
.about{
  background:var(--leather);
  color:var(--paper-1);
  margin-top:0;
  border-top:1px solid #1A130D;
  position:relative;
}
.about::before{
  content:"";
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='a'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.16  0 0 0 0 0.12  0 0 0 0 0.08  0 0 0 0.45 0'/></filter><rect width='100%' height='100%' filter='url(%23a)'/></svg>");
  opacity:.35; mix-blend-mode:overlay; pointer-events:none;
}
.about-inner{ position:relative; z-index:1; }
.about h3{
  color:var(--paper-1);
  font-family:var(--serif-display);
}
.about strong{ color:var(--paper-1); }
.about p{ color:rgba(237,228,208,.8); }
.about-sub{
  color:var(--paper-3);
  font-family:var(--serif-display);
  font-style:italic;
  letter-spacing:.18em;
  text-transform:none;
}

.contact-strip{
  background:var(--paper-1);
  border-top:2px solid var(--ink-1);
}
.contact-left h3{
  color:var(--ink-1);
  font-family:var(--serif-display);
}
.contact-left h3 em{ color:var(--oxblood); font-style:italic; }
.contact-left p{ color:var(--ink-2); }
.contact-meta{ color:var(--ink-3); }
.contact-meta a{ color:var(--oxblood); }
.contact-btn{ border-radius:0; font-family:var(--serif-display); }
.contact-btn.primary{
  background:var(--oxblood);
  color:var(--paper-1);
}
.contact-btn.primary:hover{
  background:var(--oxblood-2);
}
.contact-btn.ghost{
  color:var(--ink-1);
  border-color:var(--ink-1);
}
.contact-btn.ghost:hover{
  background:var(--ink-1);
  color:var(--paper-1);
}
.contact-right{
  background:var(--leather);
  border:1px solid var(--paper-edge);
  color:var(--paper-1);
}
.contact-right-text strong{ color:var(--paper-1); }
.contact-right-text span{ color:var(--paper-3); }

.site-footer{
  background:var(--ink-1);
  border-top:1px solid var(--ink-2);
  color:var(--paper-3);
}
.footer-brand{
  color:var(--paper-1);
  font-family:var(--serif-display);
}
.footer-brand .brand-mark{
  background:var(--paper-1);
  color:var(--ink-1);
}

/* ============================================================
   Frontispiece II · 本期目录 TOC
============================================================ */
.toc-section{ background:transparent; }
.toc-wrap{
  max-width:680px;
  margin:0 auto;
  background:var(--paper-2);
  border:1px solid var(--ink-2);
  outline:1px solid var(--ink-2);
  outline-offset:6px;
  padding:42px 36px 36px;
  position:relative;
  box-shadow:0 2px 6px rgba(0,0,0,.04), 0 24px 40px -24px rgba(0,0,0,.18);
}
@media (max-width:540px){ .toc-wrap{ padding:30px 22px 24px; } }
.toc-wrap::before{
  /* 纸纹 */
  content:""; position:absolute; inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='to'><feTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.25  0 0 0 0 0.2  0 0 0 0 0.1  0 0 0 0.07 0'/></filter><rect width='100%' height='100%' filter='url(%23to)'/></svg>");
  mix-blend-mode:multiply; opacity:.6; pointer-events:none;
}
.toc-wrap > *{ position:relative; z-index:1; }
.toc-list{
  list-style:none; padding:0; margin:0;
}
.toc-item{
  padding:16px 0;
  border-bottom:1px dashed var(--paper-edge);
}
.toc-item:last-child{ border-bottom:0; }
.toc-item a{
  display:grid;
  grid-template-columns: 44px 1fr 32px;
  align-items:baseline;
  gap:10px;
  color:var(--ink-1);
  text-decoration:none;
}
.toc-num{
  font-family:var(--serif-display);
  font-style:italic;
  color:var(--oxblood);
  font-size:18px;
  font-weight:600;
}
.toc-name-wrap{
  display:flex; align-items:baseline;
  overflow:hidden;
  white-space:nowrap;
}
.toc-name{
  font-family:var(--serif-display);
  font-size:21px;
  font-weight:600;
  letter-spacing:.02em;
  flex-shrink:0;
}
.toc-en-inline{
  font-family:var(--serif-display);
  font-style:italic;
  font-size:13px;
  color:var(--ink-3);
  margin-left:14px;
  flex-shrink:0;
}
.toc-dots{
  flex:1;
  border-bottom:1px dotted var(--ink-3);
  align-self:flex-end;
  height:1em;
  margin:0 12px;
  position:relative;
  top:-4px;
}
.toc-page{
  font-family:var(--serif-display);
  color:var(--ink-2);
  font-size:18px;
  font-weight:600;
  text-align:right;
}
.toc-item a:hover .toc-name{ color:var(--oxblood); }
.toc-item a:hover .toc-page{ color:var(--oxblood); }
@media (max-width:620px){
  .toc-item a{ grid-template-columns: 32px 1fr 28px; gap:8px; }
  .toc-name{ font-size:17px; }
  .toc-en-inline{ display:none; }
  .toc-num, .toc-page{ font-size:15px; }
}

/* ============================================================
   — Atlas — 信使踪迹 (OSM 地图)
============================================================ */
.atlas{ background:transparent; }
.atlas .chapter-roman{
  color:var(--copper-2);
  font-weight:600; letter-spacing:.36em;
  text-transform:uppercase;
}

.atlas-frame{
  max-width:1100px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  background:var(--paper-2);
  border:1px solid var(--ink-2);
  padding:18px;
  position:relative;
  box-shadow:0 1px 0 var(--paper-edge), 0 18px 32px -16px rgba(0,0,0,.2);
}
@media (min-width:900px){
  .atlas-frame{
    grid-template-columns:2.5fr 1fr;
    gap:24px;
    padding:22px;
  }
}

.osm-map{
  height:420px;
  width:100%;
  border:1px solid var(--paper-edge);
  background:var(--paper-3);
  position:relative;
  z-index:0;
}
@media (min-width:760px){ .osm-map{ height:520px; } }

/* 做旧调色处理 OSM 图块 */
.osm-map .leaflet-tile-pane{
  filter:sepia(55%) saturate(75%) contrast(102%) brightness(96%) hue-rotate(-8deg);
}
.osm-map .leaflet-container{
  background:#E8DCC0 !important;
  font-family:var(--serif-display) !important;
}
.osm-map .leaflet-control-attribution{
  background:rgba(237,228,208,.85) !important;
  color:var(--ink-2) !important;
  font-family:var(--sans);
  font-size:10px;
}
.osm-map .leaflet-control-attribution a{ color:var(--oxblood) !important; }
.osm-map .leaflet-control-zoom a{
  background:var(--paper-1) !important;
  color:var(--ink-1) !important;
  border-color:var(--ink-2) !important;
  font-family:var(--serif-display);
}
.osm-map .leaflet-control-zoom a:hover{
  background:var(--oxblood) !important;
  color:var(--paper-1) !important;
}

/* 自定义图钉 */
.osm-pin{
  display:flex; align-items:center; justify-content:center;
  width:42px; height:42px;
  background:var(--oxblood);
  color:var(--paper-1);
  border:2px solid var(--paper-1);
  border-radius:50%;
  font-family:var(--serif-display);
  font-weight:700;
  font-size:14px;
  letter-spacing:.06em;
  box-shadow:0 4px 10px rgba(0,0,0,.4), 0 0 0 1px var(--ink-1);
  transition:transform .2s ease;
  cursor:pointer;
}
.osm-pin:hover{
  transform:scale(1.15);
  background:var(--oxblood-2);
}

/* 弹窗 */
.osm-map .leaflet-popup-content-wrapper{
  background:var(--paper-1);
  border:1px solid var(--ink-2);
  border-radius:1px;
  box-shadow:0 8px 24px rgba(0,0,0,.3);
  font-family:var(--serif-display);
}
.osm-map .leaflet-popup-tip{
  background:var(--paper-1);
  border:1px solid var(--ink-2);
}
.osm-map .leaflet-popup-content{
  margin:14px 16px;
  color:var(--ink-1);
}
.osm-popup-title{
  font-family:var(--serif-display);
  font-weight:700;
  font-size:18px;
  margin:0 0 4px;
  color:var(--ink-1);
}
.osm-popup-meta{
  font-size:11px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--oxblood); font-weight:600;
  margin-bottom:8px;
}
.osm-popup-link{
  display:inline-block;
  margin-top:6px;
  color:var(--oxblood);
  text-decoration:underline;
  font-style:italic;
  font-size:13px;
}

/* 图例 */
.atlas-legend{
  display:flex; flex-direction:column;
  gap:14px;
  align-self:stretch;
  background:var(--paper-1);
  border:1px solid var(--paper-edge);
  padding:18px 18px;
  font-family:var(--serif-display);
}
.atlas-legend-row{
  display:flex; align-items:center; gap:14px;
  padding:8px 0;
  border-bottom:1px dashed var(--paper-edge);
}
.atlas-legend-row:last-child{ border-bottom:0; }
.atlas-pin{
  flex-shrink:0;
  display:grid; place-items:center;
  width:36px; height:36px;
  background:var(--oxblood);
  color:var(--paper-1);
  border:1.5px solid var(--paper-1);
  border-radius:50%;
  font-family:var(--serif-display);
  font-weight:700;
  font-size:12px;
  letter-spacing:.06em;
  box-shadow:0 0 0 1px var(--ink-1);
}
.atlas-legend-meta{ display:flex; flex-direction:column; gap:2px; }
.atlas-legend-meta strong{
  font-size:14px;
  color:var(--ink-1);
  font-weight:600;
}
.atlas-legend-meta span{
  font-size:11px;
  font-style:italic;
  color:var(--ink-3);
  letter-spacing:.04em;
}

.atlas-attrib{
  max-width:1100px;
  margin:14px auto 0;
  text-align:center;
  font-family:var(--serif-display);
  font-style:italic;
  font-size:12px;
  color:var(--ink-3);
}
.atlas-attrib a{ color:var(--oxblood); }

/* ============================================================
   Interlude · 信使语录
============================================================ */
.interlude{
  background:var(--paper-3);
  border-top:1px solid var(--paper-edge);
  border-bottom:1px solid var(--paper-edge);
  position:relative;
}
.interlude::before{
  content:""; position:absolute; inset:0;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='in'><feTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.18  0 0 0 0 0.14  0 0 0 0 0.08  0 0 0 0.11 0'/></filter><rect width='100%' height='100%' filter='url(%23in)'/></svg>");
  mix-blend-mode:multiply; opacity:.55; pointer-events:none;
}
.interlude .chapter-roman{
  color:var(--oxblood); font-weight:600; letter-spacing:.36em;
  text-transform:uppercase;
}
.quotes-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px 32px;
  max-width:1100px;
  margin:0 auto;
  position:relative; z-index:1;
}
@media (min-width:760px){ .quotes-grid{ grid-template-columns:repeat(3,1fr); } }
.quote-card{
  position:relative;
  background:var(--paper-1);
  border:1px solid var(--paper-edge);
  padding:38px 28px 26px;
  margin:0;
  box-shadow:
    0 1px 0 var(--paper-edge),
    0 12px 24px -10px rgba(0,0,0,.28);
  transition:transform .35s ease, box-shadow .35s ease;
}
.quote-card:nth-child(1){ transform:rotate(-.7deg); }
.quote-card:nth-child(2){ transform:rotate(.5deg); }
.quote-card:nth-child(3){ transform:rotate(-.4deg); }
.quote-card:hover{
  transform:rotate(0deg) translateY(-4px);
  box-shadow:
    0 1px 0 var(--paper-edge),
    0 20px 32px -12px rgba(0,0,0,.4);
}
.quote-mark{
  position:absolute;
  top:-22px; left:18px;
  font-family:var(--serif-display);
  font-size:74px;
  line-height:1;
  color:var(--oxblood);
  background:var(--paper-3);
  padding:0 10px;
  font-weight:700;
}
.quote-card p{
  font-family:var(--serif-display);
  font-style:italic;
  font-size:18px;
  line-height:1.7;
  color:var(--ink-1);
  margin:0 0 22px;
}
.quote-card footer{
  font-family:var(--serif-display);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--ink-3);
  border-top:1px solid var(--paper-edge);
  padding-top:14px;
  text-transform:none;
}
.quote-card footer strong{
  color:var(--ink-1);
  font-weight:600;
  letter-spacing:.04em;
}

/* ============================================================
   Chapter II · 本期对比表
============================================================ */
.comparison-section{ background:transparent; }
.comparison-wrap{
  max-width:1000px;
  margin:0 auto;
  background:var(--paper-2);
  border:1px solid var(--ink-2);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  box-shadow:0 1px 0 var(--paper-edge), 0 14px 28px -16px rgba(0,0,0,.18);
}
.comparison-table{
  width:100%;
  border-collapse:collapse;
  font-family:var(--serif-display);
  min-width:680px;
}
.comparison-table th,
.comparison-table td{
  padding:18px 14px;
  text-align:center;
  border-bottom:1px solid var(--paper-edge);
  border-right:1px solid var(--paper-edge);
  color:var(--ink-1);
  font-size:14px;
  vertical-align:middle;
}
.comparison-table th:last-child,
.comparison-table td:last-child{ border-right:0; }
.comparison-table tr:last-child td,
.comparison-table tr:last-child th{ border-bottom:0; }
.comparison-table thead th{
  background:var(--ink-1);
  color:var(--paper-1);
  font-family:var(--serif-display);
  font-weight:600;
  font-size:15px;
  letter-spacing:.06em;
  padding:20px 14px;
  border-right-color:rgba(237,228,208,.18);
}
.comp-flag{
  display:block;
  font-size:22px;
  margin-bottom:4px;
  line-height:1;
}
.comp-country-en{
  display:block;
  font-style:italic;
  font-size:11px;
  color:rgba(237,228,208,.65);
  letter-spacing:.18em;
  margin-top:4px;
  font-weight:400;
}
.comparison-table tbody tr th{
  text-align:left;
  font-weight:600;
  background:var(--paper-3);
  color:var(--ink-1);
  white-space:nowrap;
  font-size:14px;
  padding:18px 18px;
  border-right:2px solid var(--ink-2);
  letter-spacing:.02em;
}
.comparison-table tbody tr th .lbl-en{
  display:block;
  font-style:italic;
  font-weight:400;
  font-size:11px;
  letter-spacing:.12em;
  color:var(--ink-3);
  margin-top:2px;
  text-transform:uppercase;
}
.comparison-table td .level{
  display:block;
  letter-spacing:.18em;
  color:var(--oxblood);
  font-size:14px;
  margin-bottom:6px;
  letter-spacing:.1em;
}
.comparison-table td strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--ink-1);
}
.comparison-table td span.note{
  display:block;
  font-style:italic;
  font-size:11px;
  color:var(--ink-3);
  margin-top:4px;
}
.comparison-foot{
  text-align:center;
  margin-top:18px;
  font-family:var(--serif-display);
  font-style:italic;
  font-size:13px;
  color:var(--ink-3);
}

/* ============================================================
   滚动渐显
============================================================ */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .9s ease, transform .9s cubic-bezier(.2,.7,.3,1);
  will-change:opacity, transform;
}
.reveal.is-in{
  opacity:1;
  transform:translateY(0);
}
.reveal.delay-1{ transition-delay:.12s; }
.reveal.delay-2{ transition-delay:.22s; }
.reveal.delay-3{ transition-delay:.32s; }

/* ============================================================
   章节间分隔花纹（哑光暗墨）
============================================================ */
.divider-ornament{
  display:flex; align-items:center; justify-content:center;
  padding:18px 0;
  background:transparent;
}
.divider-ornament svg{
  width:240px; height:18px;
  fill:none; stroke:var(--ink-2); stroke-width:.8;
  opacity:.7;
}