/* ===== 同行者 Wayfarers · 素雅纸墨风 ===== */
:root {
  --paper: #f7f4ed;
  --paper-deep: #efe9dd;
  --card: #fdfcf8;
  --ink: #2c2a25;
  --ink-soft: #57534a;
  --ink-faint: #8a8478;
  --line: #ddd5c5;
  --accent: #44607a;          /* 黛蓝 */
  --accent-deep: #33485c;
  --cinnabar: #a8493a;        /* 朱砂 */
  --gold: #b08d4f;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(60,50,30,.05), 0 6px 24px rgba(60,50,30,.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ===== 顶栏 ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,244,237,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 20px;
  height: 60px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-seal {
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--cinnabar); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  box-shadow: 0 2px 6px rgba(168,73,58,.3);
}
.brand-text { font-size: 18px; font-weight: 700; letter-spacing: 2px; }
.brand-text em {
  font-style: normal; font-size: 11px; color: var(--ink-faint);
  letter-spacing: 1px; margin-left: 6px; font-weight: 400;
}
.site-nav { display: flex; gap: 4px; }
.site-nav a {
  padding: 6px 14px; border-radius: 999px; font-size: 15px;
  color: var(--ink-soft); letter-spacing: 2px; transition: all .2s;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--ink); background: var(--paper-deep); }
.site-nav a.active { color: #fff; background: var(--accent); }

/* ===== 主体 ===== */
.app-main { max-width: 1080px; margin: 0 auto; padding: 32px 20px 80px; min-height: 70vh; }
.loading-page { text-align: center; color: var(--ink-faint); padding: 120px 0; letter-spacing: 4px; }

/* ===== 首页 ===== */
.hero { text-align: center; padding: 56px 0 40px; }
.hero h1 {
  font-size: clamp(26px, 4.5vw, 40px); font-weight: 700;
  letter-spacing: 6px; line-height: 1.5;
}
.hero .hero-sub { color: var(--ink-faint); margin-top: 14px; letter-spacing: 2px; font-size: 15px; }
.hero-stats { margin-top: 20px; font-size: 13px; color: var(--ink-faint); letter-spacing: 1px; }
.hero-stats b { color: var(--accent); font-weight: 600; }

.ask-block { max-width: 760px; margin: 0 auto; text-align: center; }
.ask-title { font-size: 20px; letter-spacing: 4px; margin-bottom: 24px; color: var(--ink); }
.ask-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; }
.ask-chip {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 14px; text-align: left; transition: all .22s; display: block;
}
.ask-chip:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.ask-chip .ask-q { font-size: 15px; color: var(--ink); line-height: 1.5; }
.ask-chip .ask-d { font-size: 12px; color: var(--ink-faint); margin-top: 6px; letter-spacing: 1px; }
.ask-chip .ask-n { font-size: 12px; color: var(--accent); }

.section-head {
  display: flex; align-items: baseline; gap: 14px;
  margin: 56px 0 24px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.section-head h2 { font-size: 22px; letter-spacing: 4px; }
.section-head .head-note { font-size: 13px; color: var(--ink-faint); letter-spacing: 1px; }
.section-head .head-more { margin-left: auto; font-size: 13px; color: var(--accent); letter-spacing: 1px; }

/* 日签卡 */
.daili-card {
  max-width: 680px; margin: 0 auto; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px;
  padding: 48px 44px; text-align: center; box-shadow: var(--shadow);
  position: relative;
}
.daili-card::before {
  content: "一日一境"; position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  font-size: 12px; letter-spacing: 6px; color: var(--ink-faint);
}
.daili-date { font-size: 13px; color: var(--ink-faint); letter-spacing: 2px; margin-bottom: 26px; }
.daili-quote { font-size: clamp(18px, 2.6vw, 23px); line-height: 2; font-weight: 600; letter-spacing: 1px; }
.daili-from { margin-top: 26px; font-size: 13px; color: var(--ink-faint); letter-spacing: 1px; }
.daili-from a { color: var(--accent); border-bottom: 1px solid transparent; }
.daili-from a:hover { border-bottom-color: var(--accent); }
.daili-ask { margin-top: 22px; padding-top: 22px; border-top: 1px dashed var(--line); font-size: 15px; color: var(--ink-soft); font-style: italic; }

/* 文章卡片 */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.article-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 22px 18px; display: flex; flex-direction: column; transition: all .22s;
}
.article-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.article-card .ac-title { font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.article-card .ac-summary { font-size: 14px; color: var(--ink-soft); margin-top: 8px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-card .ac-meta { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--paper-deep);
  display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-faint); flex-wrap: wrap; }

.tag { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px;
  background: var(--paper-deep); color: var(--ink-soft); letter-spacing: 1px; }
.tag.t-domain { background: rgba(68,96,122,.1); color: var(--accent-deep); }
.tag.t-chapter { background: rgba(176,141,79,.14); color: #8a6a33; }
.tag.t-grade { background: rgba(168,73,58,.1); color: var(--cinnabar); }
.tag.t-gongfu { background: rgba(90,120,90,.12); color: #4c6b4c; }

/* ===== 困境检索页 ===== */
.jing-layout { display: grid; grid-template-columns: 230px 1fr; gap: 28px; align-items: start; }
.jing-side { position: sticky; top: 84px; }
.jing-side .side-title { font-size: 14px; color: var(--ink-faint); letter-spacing: 3px; margin-bottom: 12px; }
.domain-item {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  width: 100%; text-align: left; background: none; border: none;
  padding: 9px 12px; border-radius: 8px; font-size: 14.5px; color: var(--ink-soft);
  letter-spacing: 1px; transition: all .18s; border-left: 2px solid transparent;
}
.domain-item:hover { background: var(--paper-deep); color: var(--ink); }
.domain-item.active { background: var(--card); color: var(--accent-deep); border-left-color: var(--accent); font-weight: 600; }
.domain-item .dn { font-size: 12px; color: var(--ink-faint); }
.search-box { margin-bottom: 20px; position: relative; }
.search-box input {
  width: 100%; padding: 12px 18px 12px 42px; font-size: 15px; font-family: inherit;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px; outline: none;
  transition: border-color .2s; letter-spacing: 1px;
}
.search-box input:focus { border-color: var(--accent); }
.search-box::before { content: "⌕"; position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  font-size: 20px; color: var(--ink-faint); }
.result-note { font-size: 13px; color: var(--ink-faint); margin-bottom: 16px; letter-spacing: 1px; }
.result-list { display: flex; flex-direction: column; gap: 12px; }
.result-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; transition: all .2s; display: block;
}
.result-item:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.result-item .ri-top { display: flex; align-items: baseline; gap: 12px; }
.result-item .ri-title { font-size: 17px; font-weight: 700; }
.result-item .ri-week { font-size: 12px; color: var(--ink-faint); white-space: nowrap; }
.result-item .ri-summary { font-size: 14px; color: var(--ink-soft); margin-top: 6px; }
.result-item .ri-tags { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
mark { background: rgba(176,141,79,.3); color: inherit; padding: 0 1px; border-radius: 2px; }
.empty-hint { text-align: center; color: var(--ink-faint); padding: 80px 0; letter-spacing: 2px; }

/* 危机提示条 */
.crisis-banner {
  background: #fdf3f0; border: 1px solid #e8c5bc; border-radius: var(--radius);
  padding: 18px 22px; margin-bottom: 20px; font-size: 14px; color: #7a3a2e; line-height: 1.9;
}
.crisis-banner b { letter-spacing: 1px; }
.crisis-banner ul { margin: 6px 0 0 18px; }

/* ===== 阅读页 ===== */
.read-wrap { max-width: 700px; margin: 0 auto; }
.read-back { font-size: 13px; color: var(--accent); letter-spacing: 1px; display: inline-block; margin-bottom: 28px; }
.read-back:hover { text-decoration: underline; }
.read-head { text-align: center; margin-bottom: 36px; }
.read-head h1 { font-size: clamp(24px, 3.6vw, 32px); letter-spacing: 4px; }
.read-head .read-meta { margin-top: 14px; font-size: 13px; color: var(--ink-faint); letter-spacing: 2px; }
.read-head .read-tags { margin-top: 14px; display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.read-quote {
  margin: 0 auto 36px; max-width: 560px; text-align: center;
  padding: 26px 30px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); font-size: 17px; font-weight: 600; line-height: 2;
  position: relative; box-shadow: var(--shadow);
}
.read-quote::before, .read-quote::after { color: var(--gold); font-size: 26px; line-height: 1; position: absolute; }
.read-quote::before { content: "「"; left: 10px; top: 8px; }
.read-quote::after { content: "」"; right: 10px; bottom: 8px; }
.read-body p { margin-bottom: 1.4em; font-size: 16.5px; line-height: 2.05; text-align: justify; }
.read-emotion {
  margin: 40px auto 0; max-width: 560px; text-align: center;
  font-size: 13px; color: var(--ink-faint); letter-spacing: 2px;
}
.read-emotion b { color: var(--gold); font-weight: 600; }
.relate-box {
  margin: 44px auto 0; max-width: 700px; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; text-align: center;
}
.relate-box .rb-q { font-size: 16px; letter-spacing: 2px; }
.relate-box .rb-hint { font-size: 12.5px; color: var(--ink-faint); margin-top: 6px; }
.relate-btn {
  margin-top: 14px; padding: 10px 34px; border-radius: 999px; font-size: 15px; letter-spacing: 3px;
  border: 1px solid var(--accent); background: none; color: var(--accent-deep); transition: all .2s;
}
.relate-btn:hover { background: var(--accent); color: #fff; }
.relate-btn.done { background: var(--accent); color: #fff; border-color: var(--accent); cursor: default; }
.relate-count { margin-top: 10px; font-size: 12.5px; color: var(--ink-faint); }
.read-nav { display: flex; justify-content: space-between; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.read-nav a { font-size: 14px; color: var(--accent); max-width: 45%; }
.read-nav a:hover { text-decoration: underline; }
.read-nav .rn-dir { display: block; font-size: 12px; color: var(--ink-faint); letter-spacing: 2px; }

/* ===== 文集页 ===== */
.wenji-hero { text-align: center; padding: 24px 0 8px; }
.wenji-hero h1 { font-size: 28px; letter-spacing: 6px; }
.wenji-hero p { color: var(--ink-faint); font-size: 14px; margin-top: 10px; letter-spacing: 1px; }
.ji-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; margin-top: 36px; }
.ji-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 28px 26px; transition: all .22s; display: block;
}
.ji-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.ji-card .ji-vol { font-size: 12px; color: var(--gold); letter-spacing: 3px; }
.ji-card h3 { font-size: 20px; margin-top: 8px; letter-spacing: 2px; }
.ji-card .ji-intro { font-size: 13.5px; color: var(--ink-soft); margin-top: 10px; line-height: 1.9; }
.ji-card .ji-foot { margin-top: 16px; font-size: 12px; color: var(--ink-faint); display: flex; justify-content: space-between; }
.wenji-detail-head { text-align: center; padding: 16px 0 8px; }
.wenji-detail-head .ji-vol { font-size: 12px; color: var(--gold); letter-spacing: 3px; }
.wenji-detail-head h1 { font-size: clamp(24px, 3.6vw, 30px); letter-spacing: 4px; margin-top: 8px; }
.wenji-preface {
  max-width: 620px; margin: 28px auto; padding: 26px 32px;
  background: var(--paper-deep); border-radius: var(--radius);
  font-size: 15px; color: var(--ink-soft); line-height: 2;
}
.wenji-preface .pf-label { font-size: 12px; letter-spacing: 4px; color: var(--ink-faint); display: block; margin-bottom: 10px; }
.chapter-guide { max-width: 620px; margin: 0 auto 36px; text-align: center; font-size: 14px; color: var(--ink-soft); }
.chapter-guide .tag { margin: 0 3px; }

/* ===== 夜读页 ===== */
.yedu-wrap { max-width: 640px; margin: 0 auto; text-align: center; }
.yedu-head { padding: 24px 0 36px; }
.yedu-head h1 { font-size: 26px; letter-spacing: 8px; }
.yedu-head p { color: var(--ink-faint); font-size: 13.5px; margin-top: 10px; letter-spacing: 2px; }
.yedu-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 52px 44px; box-shadow: var(--shadow); text-align: left;
}
.yedu-card .yc-title { font-size: 24px; text-align: center; letter-spacing: 4px; }
.yedu-card .yc-meta { text-align: center; font-size: 12.5px; color: var(--ink-faint); margin: 12px 0 32px; letter-spacing: 2px; }
.yedu-card p { font-size: 17px; line-height: 2.2; margin-bottom: 1.5em; text-align: justify; }
.yedu-card .yc-end { text-align: center; color: var(--gold); letter-spacing: 8px; margin-top: 24px; }
.yedu-actions { margin-top: 28px; display: flex; gap: 12px; justify-content: center; }
.yedu-btn {
  padding: 10px 26px; border-radius: 999px; font-size: 14px; letter-spacing: 2px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink-soft); transition: all .2s;
}
.yedu-btn:hover { border-color: var(--accent); color: var(--accent-deep); }
.audio-note {
  margin-top: 36px; padding: 16px 22px; border: 1px dashed var(--line); border-radius: var(--radius);
  font-size: 13px; color: var(--ink-faint); letter-spacing: 1px; line-height: 1.9;
}
body.night { --paper: #1d1b17; --paper-deep: #29261f; --card: #242119; --ink: #d8d2c4;
  --ink-soft: #b3ab99; --ink-faint: #7d7666; --line: #3a352a; --accent: #7fa3c4; --accent-deep: #a8c4dc; }
body.night .site-header { background: rgba(29,27,23,.92); }

/* ===== 共写页 ===== */
.gx-wrap { max-width: 680px; margin: 0 auto; }
.gx-head { text-align: center; padding: 16px 0 32px; }
.gx-head h1 { font-size: 26px; letter-spacing: 6px; }
.gx-topic {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 40px 36px; text-align: center; box-shadow: var(--shadow);
}
.gx-topic .gt-label { font-size: 12px; color: var(--gold); letter-spacing: 4px; }
.gx-topic h2 { font-size: clamp(22px, 3.4vw, 28px); margin-top: 12px; letter-spacing: 3px; }
.gx-topic p { margin-top: 14px; color: var(--ink-soft); font-size: 14.5px; }
.gx-editor { margin-top: 28px; }
.gx-editor textarea {
  width: 100%; min-height: 240px; padding: 22px 24px; resize: vertical;
  font-family: inherit; font-size: 16px; line-height: 2; color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); outline: none;
  transition: border-color .2s;
}
.gx-editor textarea:focus { border-color: var(--accent); }
.gx-bar { display: flex; align-items: center; gap: 14px; margin-top: 14px; }
.gx-bar .gx-count { font-size: 12.5px; color: var(--ink-faint); }
.gx-bar .gx-saved { font-size: 12.5px; color: #4c6b4c; margin-left: auto; }
.gx-note {
  margin-top: 32px; padding: 20px 24px; background: var(--paper-deep); border-radius: var(--radius);
  font-size: 13.5px; color: var(--ink-soft); line-height: 2;
}
.gx-note b { color: var(--ink); letter-spacing: 1px; }
.gx-list { margin-top: 32px; }
.gx-list h3 { font-size: 15px; letter-spacing: 3px; color: var(--ink-soft); margin-bottom: 14px; }
.gx-draft-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; margin-bottom: 12px;
}
.gx-draft-item .gd-head { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--ink-faint); }
.gx-draft-item .gd-body { margin-top: 8px; font-size: 14.5px; color: var(--ink-soft); white-space: pre-wrap;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.gx-draft-item .gd-del { background: none; border: none; color: var(--cinnabar); font-size: 12.5px; }

/* ===== 关于页 ===== */
.about-wrap { max-width: 640px; margin: 0 auto; }
.about-wrap h1 { font-size: 26px; letter-spacing: 6px; text-align: center; padding: 16px 0 36px; }
.about-wrap h2 { font-size: 18px; letter-spacing: 3px; margin: 36px 0 14px; padding-left: 12px; border-left: 3px solid var(--accent); }
.about-wrap p { font-size: 15px; color: var(--ink-soft); line-height: 2.05; margin-bottom: 1em; }
.about-wrap ul { margin: 0 0 1em 20px; font-size: 15px; color: var(--ink-soft); line-height: 2.05; }

/* ===== 页脚 ===== */
.site-footer {
  border-top: 1px solid var(--line); padding: 32px 20px 40px; text-align: center;
  font-size: 13px; color: var(--ink-faint); line-height: 2; letter-spacing: 1px;
}
.footer-fine { font-size: 12px; opacity: .8; }

/* ===== 响应式 ===== */
@media (max-width: 860px) {
  .jing-layout { grid-template-columns: 1fr; }
  .jing-side { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .jing-side .side-title { width: 100%; }
  .domain-item { width: auto; border-left: none; white-space: nowrap; }
  .domain-item.active { background: var(--card); box-shadow: inset 0 0 0 1px var(--accent); }
  .brand-text em { display: none; }
}
@media (max-width: 640px) {
  .header-inner {
    flex-wrap: wrap; height: auto;
    padding: 10px 14px 8px; row-gap: 6px;
  }
  .brand { width: 100%; justify-content: center; }
  .site-nav { width: 100%; gap: 0; }
  .site-nav a {
    flex: 1; text-align: center;
    padding: 6px 4px; font-size: 14px; letter-spacing: 1px;
  }
  .daili-card, .yedu-card { padding: 36px 24px; }
  .app-main { padding: 24px 14px 60px; }
}