/*
Theme Name: 卢曼卡片盒
Theme URI: https://csa90.com
Author: 木子猫
Description: 拆解伪概念 × 知识卡片盒 × 思维自救器 —— 雪兰儿的个人品牌主题
Version: 1.2
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: csa90
*/

:root{
  --paper:#EDEDEB;
  --paper-2:#E4E3DE;
  --ink:#141414;
  --mid:#6E6E6B;
  --line:#CFCECA;
  --seal:#B23A2E;
  --seal-soft:#B23A2E1a;
  --card:#F7F7F5;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Noto Sans SC', sans-serif;
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  position: relative; /* 底纹定位基准 */
  overflow-x: hidden; /* 防止底纹撑出横向滚动条 */
}

/* 背景底纹 */
body::after {
  content: "ZETTELKASTEN // 001";
  position: absolute;
  right: -5%;
  top: 25%;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10vw;
  font-weight: 900;
  color: var(--ink);
  opacity: 0.02;
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: -0.05em;
  z-index: -1;
}

.mono{font-family:'IBM Plex Mono', monospace; letter-spacing:0.02em;}
.serif{font-family:'Noto Serif SC', serif;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}

/* ---------- HEADER ---------- */
header{
  position:sticky; top:0; z-index:50;
  display:flex; justify-content:space-between; align-items:center;
  padding:18px 5vw;
  background:rgba(237,237,235,0.88);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  flex-wrap:wrap; gap:10px;
}
.brand{font-family:'IBM Plex Mono', monospace; font-size:14.3px; color:var(--mid);}
.brand b{color:var(--ink); font-weight:500;}
header nav ul{list-style:none; display:flex;}
header nav a{
  font-family:'IBM Plex Mono', monospace;
  font-size:14.3px;
  padding:8px 18px;
  border-left:1px solid var(--line);
  color:var(--mid);
  transition:color .2s;
}
header nav a:hover{color:var(--seal);}
header nav ul li:last-child a{border-right:1px solid var(--line);}

/* ---------- HERO / SELF-TEST ---------- */
.hero{padding:90px 5vw 60px; max-width:900px;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace; font-size:13.2px; color:var(--seal);
  display:flex; align-items:center; gap:10px; margin-bottom:22px;
}
.eyebrow::before{content:''; width:24px; height:1px; background:var(--seal);}
h1.serif{font-size:clamp(35.2px, 5.5vw, 59.4px); font-weight:900; line-height:1.25; letter-spacing:-0.01em; margin-bottom:20px;}
.hero p.lead{font-size:17.6px; color:var(--mid); max-width:560px; margin-bottom:48px;}

.quiz-box{border:1px solid var(--ink); background:var(--card); position:relative;}
.quiz-topline{
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 22px; border-bottom:1px solid var(--line);
  font-family:'IBM Plex Mono', monospace; font-size:13.2px; color:var(--mid);
}
.quiz-body{padding:34px 30px 30px;}
.q-progress{display:flex; gap:6px; margin-bottom:26px;}
.q-progress span{flex:1; height:2px; background:var(--line);}
.q-progress span.done{background:var(--seal);}
.q-text{font-size:20.9px; font-weight:500; margin-bottom:22px;}
.q-options{display:grid; gap:10px;}
.q-opt{
  border:1px solid var(--line); padding:14px 18px; font-size:15.4px; cursor:pointer;
  display:flex; gap:14px; align-items:flex-start;
  transition:border-color .15s, background .15s; background:transparent;
}
.q-opt:hover{border-color:var(--ink); background:var(--paper-2);}
.q-opt .tag{font-family:'IBM Plex Mono', monospace; font-size:12.1px; color:var(--mid); flex-shrink:0; margin-top:2px;}

.result-wrap{display:none; position:relative;}
.result-card{padding:36px 30px 30px; position:relative;}
.stamp{
  position:absolute; top:26px; right:28px; width:64px; height:64px;
  border:2px solid var(--seal); color:var(--seal);
  display:flex; align-items:center; justify-content:center;
  font-family:'Noto Serif SC', serif; font-weight:900; font-size:22px;
  transform:rotate(-8deg); border-radius:2px;
}
.result-label{font-family:'IBM Plex Mono', monospace; font-size:13.2px; color:var(--seal); margin-bottom:10px;}
.result-title.serif{font-size:28.6px; font-weight:900; margin-bottom:14px; max-width:80%;}
.result-desc{font-size:15.95px; color:var(--mid); max-width:80%; margin-bottom:24px;}
.result-cta{display:inline-flex; align-items:center; gap:10px; font-family:'IBM Plex Mono', monospace; font-size:14.3px; border-bottom:1px solid var(--ink); padding-bottom:4px;}
.result-cta:hover{border-color:var(--seal); color:var(--seal);}
.retry{margin-top:20px; font-family:'IBM Plex Mono', monospace; font-size:13.2px; color:var(--mid); cursor:pointer; display:inline-block; text-decoration:underline; text-underline-offset:3px;}

/* ---------- CARD BOX (signature visual) ---------- */
.box-section{padding:110px 5vw 100px; border-top:1px solid var(--line); background:var(--paper-2);}
.box-head{max-width:640px; margin-bottom:60px;}
.box-head .eyebrow{margin-bottom:18px;}
.box-head h2.serif{font-size:clamp(28.6px,3.74vw,41.8px); font-weight:900; margin-bottom:16px;}
.box-head p{color:var(--mid); font-size:16.5px;}
.zk-map{position:relative; max-width:1000px; height:420px; margin:0 auto;}
.zk-svg{position:absolute; inset:0; width:100%; height:100%; pointer-events:none;}
.zk-svg line{stroke:var(--line); stroke-width:1;}
.zk-svg line.active{stroke:var(--seal); stroke-width:1.2;}
.zk-node{
  position:absolute; width:150px; background:var(--card); border:1px solid var(--ink);
  padding:12px 14px; cursor:default; transition:transform .2s, box-shadow .2s, border-color .2s;
}
.zk-node:hover{transform:translateY(-4px); box-shadow:6px 6px 0 var(--seal-soft); border-color:var(--seal); z-index:5;}
.zk-node .id{font-family:'IBM Plex Mono', monospace; font-size:12.1px; color:var(--seal); margin-bottom:6px;}
.zk-node .txt{font-size:13.75px; line-height:1.5;}

/* ---------- NAV BLOCKS (pillars, auto-filled from categories) ---------- */
.pillars{padding:100px 5vw 60px;}
.pillars-head{max-width:600px; margin-bottom:50px;}
.pillars-head .eyebrow{margin-bottom:18px;}
.pillars-head h2.serif{font-size:clamp(28.6px,3.74vw,41.8px); font-weight:900;}
.pillar-grid{display:grid; grid-template-columns:repeat(3, 1fr); border-top:1px solid var(--ink); border-left:1px solid var(--ink);}
.pillar{border-right:1px solid var(--ink); border-bottom:1px solid var(--ink); padding:34px 28px 30px; min-height:340px; display:flex; flex-direction:column; transition:background .2s;}
.pillar:hover{background:var(--card);}
.pillar .num{font-family:'IBM Plex Mono', monospace; font-size:14.3px; color:var(--seal); margin-bottom:18px;}
.pillar h3.serif{font-size:23.1px; font-weight:900; margin-bottom:14px;}
.pillar p.desc{font-size:14.85px; color:var(--mid); margin-bottom:26px;}
.pillar ul{list-style:none; margin-top:auto; display:flex; flex-direction:column; gap:10px;}
.pillar li a{font-size:14.3px; display:flex; gap:8px; align-items:flex-start; border-bottom:1px dashed transparent;}
.pillar li a:hover{color:var(--seal); border-color:var(--seal);}
.pillar li a .dash{color:var(--line); flex-shrink:0;}
.pillar .empty{font-size:14.3px; color:var(--mid); font-style:italic;}

/* ---------- HOOK ---------- */
.hook{
  margin:100px 5vw 0; border:1px solid var(--ink); background:var(--ink); color:var(--paper);
  padding:50px 5vw; display:flex; justify-content:space-between; align-items:center; gap:40px; flex-wrap:wrap;
}
.hook-text{max-width:520px;}
.hook .eyebrow{color:#E8A79E; margin-bottom:14px;}
.hook h3.serif{font-size:clamp(24.2px,3.08vw,33px); font-weight:900; margin-bottom:12px;}
.hook p{font-size:15.4px; color:#B5B5B0;}
.hook-btn{font-family:'IBM Plex Mono', monospace; font-size:14.3px; border:1px solid var(--paper); padding:16px 26px; display:inline-flex; align-items:center; gap:10px; white-space:nowrap; transition:background .2s, color .2s;}
.hook-btn:hover{background:var(--paper); color:var(--ink);}

/* ---------- FOOTER ---------- */
footer{padding:50px 5vw 60px; display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:20px;}
footer .mono{font-size:13.2px; color:var(--mid);}
.footer-left{display:flex; flex-direction:column; gap:6px;}
.footer-copyright{font-size:11px; color:var(--line);}

/* ---------- SINGLE ARTICLE (this is what makes new posts style themselves) ---------- */
.article-wrap{max-width:720px; margin:0 auto; padding:80px 5vw 100px;}
.article-meta{font-family:'IBM Plex Mono', monospace; font-size:13.2px; color:var(--seal); margin-bottom:18px; display:flex; gap:16px; flex-wrap:wrap;}
.article-title.serif{font-size:clamp(30.8px,4.4vw,48.4px); font-weight:900; line-height:1.3; margin-bottom:30px;}
.article-body{font-size:17.6px; line-height:1.9;}
.article-body p{margin-bottom:1.4em;}
.article-body h2{font-family:'Noto Serif SC', serif; font-size:28.6px; font-weight:900; margin:2em 0 0.8em;}
.article-body h3{font-family:'Noto Serif SC', serif; font-size:22px; font-weight:600; margin:1.8em 0 0.6em;}
.article-body blockquote{border-left:3px solid var(--seal); padding:4px 0 4px 20px; color:var(--mid); margin:1.6em 0; font-style:italic;}
.article-body ul, .article-body ol{margin:0 0 1.4em 1.4em;}
.article-body a{border-bottom:1px solid var(--seal); color:var(--seal);}
.article-body img{margin:1.6em 0; border:1px solid var(--line);}
.article-body pre{background:var(--paper-2); padding:18px; overflow-x:auto; font-family:'IBM Plex Mono', monospace; font-size:14.3px; margin-bottom:1.4em;}
.article-back{
  display:inline-flex; align-items:center; gap:8px; font-family:'IBM Plex Mono', monospace; font-size:14.3px;
  margin-top:60px; padding-top:24px; border-top:1px solid var(--line); color:var(--mid);
}
.article-back:hover{color:var(--seal);}

/* ---------- SIMPLE LIST (index.php / archive fallback) ---------- */
.simple-list{max-width:760px; margin:0 auto; padding:80px 5vw 100px;}
.simple-list-item{padding:26px 0; border-bottom:1px solid var(--line);}
.simple-list-item .meta{font-family:'IBM Plex Mono', monospace; font-size:13.2px; color:var(--seal); margin-bottom:8px;}
.simple-list-item h2.serif{font-size:24.2px; font-weight:900;}
.simple-list-item h2.serif a:hover{color:var(--seal);}
.simple-list-item p{font-size:15.4px; color:var(--mid); margin-top:8px;}

@media (max-width:820px){
  .pillar-grid{grid-template-columns:1fr;}
  .zk-map{height:auto; min-height:640px;}
  .result-title.serif, .result-desc{max-width:100%;}
}