/* ===== 发之前 · 档案馆风格 ===== */
:root {
  --paper: #f7f4ed;
  --paper-deep: #efeadf;
  --card: #fffdf8;
  --ink: #2a2620;
  --ink-soft: #5c554a;
  --ink-faint: #948b7c;
  --line: #e3dcca;
  --line-deep: #cfc6ae;
  --seal: #b5392f;
  --seal-soft: #f3e2df;
  --indigo: #2b4c7e;
  --indigo-soft: #e3eaf4;
  --green: #2f6b4f;
  --green-soft: #e1eee7;
  --orange: #b06a1f;
  --orange-soft: #f5ead8;
  --gray-soft: #ece9e1;
  --serif: "Songti SC", "STSong", "SimSun", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  background: var(--paper);
  background-image: repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(0,0,0,.018) 32px);
  color: var(--ink);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 顶栏 ===== */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 2px solid var(--line-deep);
  background: var(--card);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-stamp {
  width: 40px; height: 40px; border: 3px solid var(--seal); border-radius: 8px;
  color: var(--seal); font-family: var(--serif); font-size: 24px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transform: rotate(-4deg);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-family: var(--serif); font-size: 20px; letter-spacing: 2px; }
.brand-text small { color: var(--ink-faint); font-size: 11px; letter-spacing: 1px; }
.nav { display: flex; gap: 4px; }
.nav a {
  padding: 8px 14px; border-radius: 6px; color: var(--ink-soft); font-size: 15px;
}
.nav a:hover { background: var(--paper-deep); text-decoration: none; }
.nav a.active { background: var(--ink); color: var(--card); }
.nav .back-to-index { margin-left: 8px; color: var(--green); border: 1px solid var(--line-deep); }
.nav .back-to-index:hover { background: var(--green-soft); }

/* ===== 布局 ===== */
.app { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 32px 24px 64px; }
.footer {
  border-top: 1px solid var(--line); padding: 20px 28px; text-align: center;
  font-size: 12.5px; color: var(--ink-faint); background: var(--paper-deep);
}
.footer .muted { margin-top: 4px; opacity: .8; }
.footer-tools { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--line-deep); }
.footer-tools a { color: var(--ink-faint); }
.footer-tools a:hover { color: var(--indigo); }

.internal-mark {
  display: inline-block; vertical-align: middle; margin-left: 8px;
  font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 1px;
  color: var(--ink-faint); border: 1px solid var(--line-deep); border-radius: 4px;
  padding: 1px 7px; transform: translateY(-3px);
}

h1.page-title { font-family: var(--serif); font-size: 30px; letter-spacing: 1px; margin-bottom: 6px; }
.page-sub { color: var(--ink-soft); margin-bottom: 28px; font-size: 15px; }

/* ===== 首页 ===== */
.hero { text-align: center; padding: 22px 8px 10px; }
.hero h1 {
  font-family: var(--serif); font-size: 34px; letter-spacing: 4px; margin-bottom: 10px;
}
.hero h1 .accent { color: var(--seal); }
.hero .slogan { font-size: 15.5px; color: var(--ink-soft); margin-bottom: 4px; }
.hero .slogan-sub { font-size: 13px; color: var(--ink-faint); margin-bottom: 18px; }
.hero-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; text-align: left; }
.hero-actions-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); max-width: 720px; margin: 0 auto; }
a.tag.t-concept:hover { text-decoration: none; border-color: var(--indigo); }
.hero-card {
  display: block;
  background: var(--card); border: 1.5px solid var(--line-deep); border-radius: 10px;
  padding: 14px 16px; color: var(--ink);
  box-shadow: 2px 2px 0 var(--line);
  transition: transform .12s ease, box-shadow .12s ease;
}
.hero-card:hover { text-decoration: none; transform: translate(-2px,-2px); box-shadow: 5px 5px 0 var(--line-deep); }
.hero-card .kicker { font-size: 11px; letter-spacing: 2px; color: var(--seal); font-weight: 600; }
.hero-card h3 { font-family: var(--serif); font-size: 18px; margin: 4px 0 5px; }
.hero-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; }

.hero-stats { font-size: 12.5px; color: var(--ink-faint); letter-spacing: 1px; margin-top: 16px; }
.hero-stats b { color: var(--seal); font-family: var(--serif); font-size: 15px; }

.section-title {
  font-family: var(--serif); font-size: 20px; margin: 28px 0 14px;
  display: flex; align-items: center; gap: 10px;
}
.section-title::before { content: ""; width: 6px; height: 20px; background: var(--seal); border-radius: 2px; }

.rule-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.rule-card {
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--seal);
  border-radius: 8px; padding: 14px 16px; font-size: 14.5px;
}
.rule-card .from { display: block; margin-top: 8px; font-size: 12px; color: var(--ink-faint); }

.howto { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.howto-step { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.howto-step .num { font-family: var(--serif); font-size: 26px; color: var(--line-deep); font-weight: 700; }
.howto-step h4 { font-size: 15.5px; margin: 4px 0 6px; }
.howto-step p { font-size: 13.5px; color: var(--ink-soft); }

/* ===== 标签与印章 ===== */
.tag {
  display: inline-block; padding: 1px 9px; border-radius: 99px; font-size: 12px;
  background: var(--paper-deep); color: var(--ink-soft); border: 1px solid var(--line);
  margin: 2px 3px 2px 0; white-space: nowrap;
}
.tag.t-concept { background: var(--indigo-soft); color: var(--indigo); border-color: #c6d4e8; }
.tag.t-type { background: var(--seal-soft); color: var(--seal); border-color: #e6c8c4; }
.tag.t-risk { background: var(--orange-soft); color: var(--orange); border-color: #e8d4b4; }

.stamp {
  display: inline-block; font-family: var(--serif); font-weight: 700;
  border: 2.5px solid currentColor; border-radius: 6px; padding: 0 8px;
  transform: rotate(-6deg); letter-spacing: 3px; font-size: 14px; line-height: 1.7;
  opacity: .92;
}
.stamp.s-fail, .stamp.s-red { color: var(--seal); }
.stamp.s-success, .stamp.s-green { color: var(--green); }
.stamp.s-reversal, .stamp.s-orange { color: var(--orange); }
.stamp.s-degraded { color: var(--indigo); }
.stamp.s-pending { color: var(--ink-faint); }
.stamp.s-big { font-size: 20px; padding: 2px 14px; border-width: 3px; }

/* ===== 案例库 ===== */
.filter-bar {
  background: var(--paper-deep); border: 1px solid var(--line-deep); border-radius: 8px;
  padding: 10px 12px; margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  position: sticky; top: 76px; z-index: 5;
}
.filter-bar select, .filter-bar input[type="search"] {
  font-family: var(--sans); font-size: 13px; padding: 6px 9px;
  border: 1px solid var(--line-deep); border-radius: 6px; background: var(--card); color: var(--ink);
}
.filter-bar input[type="search"] { flex: 1; min-width: 180px; }
.filter-count { font-size: 12px; color: var(--ink-faint); margin-left: auto; font-family: var(--mono); }

.case-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 12px; }
.case-card {
  background: var(--card); border: 1px solid var(--line-deep); border-radius: 8px;
  padding: 14px 16px 12px; position: relative; color: var(--ink); display: block;
  box-shadow: 2px 2px 0 var(--line);
  transition: transform .12s ease, box-shadow .12s ease;
}
.case-card:hover { text-decoration: none; transform: translate(-2px,-2px); box-shadow: 5px 5px 0 var(--line-deep); }
.case-card .case-no { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 1px; }
.case-card h3 { font-family: var(--serif); font-size: 17.5px; margin: 6px 0 8px; line-height: 1.45; }
.case-card .meta { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 8px; }
.case-card .stamp { position: absolute; top: 14px; right: 14px; }
.case-card .rule {
  font-size: 13px; color: var(--ink-soft); border-top: 1px dashed var(--line-deep);
  margin-top: 10px; padding-top: 10px;
}
.case-card .rule b { color: var(--seal); font-weight: 600; }

/* ===== 案例详情 ===== */
.dossier { background: var(--card); border: 1.5px solid var(--line-deep); border-radius: 12px; overflow: hidden; }
.dossier-head { padding: 26px 30px 20px; border-bottom: 2px solid var(--line); position: relative; }
.dossier-head .case-no { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); letter-spacing: 2px; }
.dossier-head h1 { font-family: var(--serif); font-size: 26px; margin: 8px 0 10px; line-height: 1.4; padding-right: 110px; }
.dossier-head .stamp { position: absolute; top: 26px; right: 30px; }
.dossier-section { padding: 20px 30px; border-bottom: 1px solid var(--line); }
.dossier-section:last-child { border-bottom: none; }
.dossier-section h2 {
  font-family: var(--serif); font-size: 16px; color: var(--seal);
  letter-spacing: 2px; margin-bottom: 12px;
}
.kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px 24px; }
.kv { font-size: 14px; }
.kv .k { color: var(--ink-faint); font-size: 12px; display: block; }
.quote-block {
  font-family: var(--serif); font-size: 15.5px; background: var(--paper);
  border-left: 4px solid var(--line-deep); padding: 14px 18px; border-radius: 0 8px 8px 0;
  color: var(--ink-soft);
}
.judgment { font-size: 15.5px; line-height: 1.85; }
.judgment::first-letter { font-size: 1.1em; }
.concept-note { margin: 8px 0; padding: 10px 14px; background: var(--indigo-soft); border-radius: 8px; font-size: 13.5px; }
.concept-note b { color: var(--indigo); }
.rewrite-item { margin-bottom: 14px; }
.rewrite-item .rw-type {
  display: inline-block; font-size: 12.5px; font-weight: 600; color: var(--card);
  background: var(--ink-soft); border-radius: 4px; padding: 1px 8px; margin-bottom: 6px;
}
.rewrite-item.rw-danger .rw-type { background: var(--seal); }
.rewrite-item p { font-size: 14px; background: var(--paper); border-radius: 8px; padding: 12px 14px; }
.rule-final {
  background: var(--seal-soft); border: 1.5px dashed var(--seal); border-radius: 10px;
  padding: 16px 20px; font-size: 15.5px; font-family: var(--serif);
}
.rule-final b { color: var(--seal); letter-spacing: 2px; }
.fictional-banner {
  background: var(--orange-soft); color: var(--orange); font-size: 12.5px;
  padding: 8px 30px; border-bottom: 1px solid var(--line);
}

/* ===== 分析页 ===== */
.analyze-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.panel { background: var(--card); border: 1px solid var(--line-deep); border-radius: 10px; padding: 20px 22px; }
.panel h2 { font-family: var(--serif); font-size: 17px; margin-bottom: 12px; }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 5px; }
textarea, input[type="text"], input[type="url"], input[type="number"], select {
  width: 100%; font-family: var(--sans); font-size: 14px; padding: 9px 12px;
  border: 1px solid var(--line-deep); border-radius: 7px; background: var(--paper); color: var(--ink);
}
textarea { min-height: 130px; resize: vertical; line-height: 1.7; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--indigo-soft); border-color: var(--indigo); }
.inline-selects { display: flex; gap: 10px; flex-wrap: wrap; }
.inline-selects > div { flex: 1; min-width: 160px; }

.btn {
  display: inline-block; font-family: var(--sans); font-size: 14.5px; cursor: pointer;
  border: none; border-radius: 7px; padding: 10px 22px; color: var(--card); background: var(--ink);
}
.btn:hover { opacity: .88; }
.btn.btn-seal { background: var(--seal); }
.btn.btn-ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line-deep); }
.btn.btn-sm { font-size: 12.5px; padding: 5px 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.provider-bar { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-faint); margin-top: 10px; flex-wrap: wrap; }
.provider-bar select { width: auto; font-size: 12.5px; padding: 4px 8px; }
.public-engine-note {
  margin: 14px 0 0; padding-top: 12px; border-top: 1px dashed var(--line-deep);
  color: var(--green); font-size: 13px;
}

/* 发前检测 · 「它会输出什么」说明区 */
.expect-title {
  font-size: 12.5px; color: var(--ink-faint); letter-spacing: 2px;
  margin-bottom: 8px; text-align: center;
}
.expect-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.expect-card {
  background: var(--card); border: 1px dashed var(--line-deep); border-radius: 8px;
  padding: 12px 14px;
}
.expect-card h4 { font-family: var(--serif); font-size: 15px; margin-bottom: 4px; color: var(--seal); }
.expect-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.65; }

.verdict-panel { border-width: 1.5px; border-color: var(--line-deep); }
.verdict-row { display: flex; align-items: center; gap: 16px; margin-bottom: 10px; flex-wrap: wrap; }
.verdict-reason { font-size: 15px; flex: 1; min-width: 240px; }
.risk-level {
  font-size: 13px; font-weight: 600; letter-spacing: 1px;
  border-radius: 6px; padding: 3px 10px; border: 1.5px solid currentColor;
}
.risk-level.lv-low { color: var(--green); background: var(--green-soft); }
.risk-level.lv-mid { color: var(--orange); background: var(--orange-soft); }
.risk-level.lv-high { color: var(--seal); background: var(--seal-soft); }

.result-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px;
}
.result-card {
  background: var(--card); border: 1px solid var(--line-deep); border-radius: 8px;
  padding: 14px 16px;
}
.result-card.span2 { grid-column: 1 / -1; }
.result-card h3 {
  font-family: var(--serif); font-size: 14px; color: var(--seal);
  letter-spacing: 2px; margin-bottom: 10px;
  border-bottom: 1px solid var(--line); padding-bottom: 6px;
}
.result-card .quiet { font-size: 13.5px; color: var(--ink-faint); }
.kv-grid.kv-stack { grid-template-columns: 1fr; gap: 8px; }

.result-block { margin-bottom: 18px; }
.result-block h3 {
  font-size: 13px; color: var(--ink-faint); letter-spacing: 2px; margin-bottom: 8px;
  border-bottom: 1px solid var(--line); padding-bottom: 4px;
}
.risk-item { display: flex; gap: 10px; margin-bottom: 8px; font-size: 14px; align-items: baseline; }
.risk-item .quote { color: var(--seal); font-family: var(--serif); }
ul.plain { list-style: none; }
ul.plain li { padding-left: 18px; position: relative; font-size: 14px; margin-bottom: 6px; }
ul.plain li::before { content: "·"; position: absolute; left: 4px; color: var(--seal); font-weight: 700; }
.similar-row { display: flex; flex-wrap: wrap; gap: 10px; }
.mock-notice {
  font-size: 12px; color: var(--ink-faint); background: var(--paper-deep);
  border-radius: 6px; padding: 6px 12px; margin-top: 14px;
}

/* ===== 录入页 ===== */
.editor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 12px 20px; }
.editor-grid .full { grid-column: 1 / -1; }
.editor-actions { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; align-items: center; }
.save-hint { font-size: 12.5px; color: var(--ink-faint); }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.checkbox-row input { width: auto; }

/* ===== 概念速查 ===== */
.chip-bar {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px;
  position: sticky; top: 76px; z-index: 5;
  background: var(--paper-deep); border: 1px solid var(--line-deep); border-radius: 8px;
  padding: 8px 10px;
}
.chip {
  font-family: var(--sans); font-size: 13px; cursor: pointer;
  padding: 4px 13px; border-radius: 99px;
  border: 1px solid var(--line-deep); background: var(--card); color: var(--ink-soft);
}
.chip:hover { border-color: var(--ink-soft); }
.chip.active { background: var(--ink); color: var(--card); border-color: var(--ink); }

.concept-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(440px, 1fr)); gap: 12px; }
.concept-card { background: var(--card); border: 1px solid var(--line-deep); border-radius: 8px; padding: 16px 20px; }
.concept-head { border-bottom: 1px dashed var(--line-deep); padding-bottom: 8px; margin-bottom: 10px; }
.concept-card .group { font-size: 11.5px; letter-spacing: 2px; color: var(--ink-faint); }
.concept-card h3 { font-family: var(--serif); font-size: 20px; margin: 2px 0 4px; }
.concept-card .oneliner { font-size: 15.5px; color: var(--seal); font-family: var(--serif); }
.concept-card .def { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 10px; line-height: 1.75; }
.concept-card details { font-size: 14px; }
.concept-card summary { cursor: pointer; color: var(--indigo); font-size: 13px; margin-bottom: 6px; }
.concept-card .use { background: var(--paper); border-radius: 8px; padding: 10px 14px; margin-bottom: 8px; font-size: 14px; }
.concept-card .use b { font-size: 12px; color: var(--ink-faint); display: block; margin-bottom: 3px; letter-spacing: 1px; }
@media (max-width: 960px) { .concept-grid { grid-template-columns: 1fr; } }

.empty-tip { text-align: center; color: var(--ink-faint); padding: 60px 0; font-size: 14.5px; }

@media (max-width: 720px) {
  .topbar { flex-direction: column; gap: 10px; }
  .hero h1 { font-size: 30px; }
  .dossier-head h1 { padding-right: 0; }
  .dossier-head .stamp { position: static; display: inline-block; margin-top: 6px; }
  .result-grid { grid-template-columns: 1fr; }
  .filter-bar, .chip-bar { position: static; }
}