:root {
  --ink:      #1a1a1a;
  --ink-soft: #3d3a35;
  --paper:    #f4efe4;
  --paper-2:  #ece4d3;
  --cinnabar: #a8322d;   /* 朱砂 */
  --cinnabar-soft: #c65b4e;
  --seal:     #b03a2e;
  --jade:     #4a6b5a;
  --gold:     #b08d57;
  --line:     #d8ccb4;
  --shadow:   rgba(60, 45, 20, 0.14);
  --serif:    "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", Georgia, serif;
  --serif-en: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(circle at 18% 12%, rgba(176,141,87,0.06), transparent 40%),
    radial-gradient(circle at 82% 78%, rgba(74,107,90,0.05), transparent 42%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: linear-gradient(180deg, rgba(244,239,228,0.97), rgba(236,228,211,0.94));
  border-bottom: 2px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 500;
  backdrop-filter: blur(6px);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: 8px;
  color: var(--cinnabar);
  font-weight: 700;
  text-shadow: 0 1px 0 rgba(255,255,255,0.5);
}
.brand-sub { color: var(--ink-soft); letter-spacing: 3px; font-size: 13px; }

.tabs { display: flex; gap: 4px; margin-left: auto; }
.tabs button {
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 3px;
  padding: 7px 16px;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  border-radius: 4px;
  transition: all .18s;
  position: relative;
}
.tabs button:hover { color: var(--cinnabar); background: rgba(168,50,45,0.06); }
.tabs button.active { color: #fff; background: var(--cinnabar); box-shadow: 0 2px 6px var(--shadow); }

.searchbox { width: 100%; max-width: 320px; margin-left: auto; }
.searchbox input {
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.6);
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border .18s, box-shadow .18s;
}
.searchbox input:focus { border-color: var(--cinnabar-soft); box-shadow: 0 0 0 3px rgba(168,50,45,0.12); }

/* ---------- Views ---------- */
main { max-width: 1180px; margin: 0 auto; padding: 26px 24px 80px; }
.view.hidden { display: none; }
.view-intro {
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.9;
  letter-spacing: 1px;
  max-width: 760px;
  margin: 4px auto 26px;
  text-align: center;
}

/* ---------- Filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; justify-content: center; }
.chip {
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 2px;
  padding: 5px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.5);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all .16s;
}
.chip:hover { border-color: var(--cinnabar-soft); color: var(--cinnabar); }
.chip.active { background: var(--jade); color: #fff; border-color: var(--jade); }

/* ---------- Poem cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}
.card {
  background: linear-gradient(160deg, #fbf7ec, #f1e9d7);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 20px 18px;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  position: relative;
  overflow: hidden;
  min-height: 170px;
  display: flex;
  flex-direction: column;
}
.card::before {
  content: "";
  position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: var(--cinnabar);
  opacity: .7;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px var(--shadow); border-color: var(--cinnabar-soft); }
.card .dyn {
  font-size: 12px; letter-spacing: 2px; color: var(--gold);
}
.card h3 {
  margin: 6px 0 2px; font-size: 21px; letter-spacing: 2px; color: var(--ink);
}
.card .author { font-size: 13.5px; color: var(--ink-soft); letter-spacing: 1px; }
.card .excerpt {
  margin-top: 12px; font-size: 15px; line-height: 1.85; color: var(--ink-soft);
  flex: 1;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3;
  overflow: hidden;
}
.card .tags { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 5px; }
.tag {
  font-size: 11.5px; letter-spacing: 1px; padding: 2px 8px;
  background: rgba(74,107,90,0.1); color: var(--jade); border-radius: 10px;
}
.count { text-align: center; color: var(--ink-soft); font-size: 13px; margin-top: 26px; letter-spacing: 1px; }
.card-badge {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--jade); color: #fbf7ec; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 1px 3px var(--shadow);
}
.more-btn {
  display: block; margin: 24px auto 0; padding: 9px 26px;
  font-family: var(--serif); font-size: 15px; letter-spacing: 2px;
  color: var(--cinnabar); background: rgba(255,255,255,0.5);
  border: 1px solid var(--line); border-radius: 20px; cursor: pointer;
  transition: all .16s;
}
.more-btn:hover { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); }
.ai-note {
  margin: 14px 0 2px; padding: 7px 12px; border-radius: 6px;
  background: rgba(176,141,87,0.12); border: 1px dashed var(--gold);
  color: var(--ink-soft); font-size: 12.5px; letter-spacing: .5px; text-align: center;
}

/* ---------- Theme cloud ---------- */
.theme-cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 28px; }
.theme-cloud .chip.big { font-size: 16px; padding: 8px 18px; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding: 10px 0 40px; }
.timeline::before {
  content: ""; position: absolute; left: 120px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(var(--gold), var(--cinnabar), var(--jade));
}
.era-band { position: relative; margin: 0 0 6px; }
.era-label {
  position: absolute; left: 0; width: 104px; text-align: right;
  font-size: 15px; letter-spacing: 3px; color: var(--cinnabar); font-weight: 700;
  top: 4px;
}
.era-span { display: block; font-size: 11px; color: var(--gold); letter-spacing: 1px; font-weight: 400; margin-top: 2px; }
.tl-item {
  position: relative; margin-left: 150px; padding: 10px 16px; margin-bottom: 10px;
  background: linear-gradient(160deg, #fbf7ec, #f1e9d7);
  border: 1px solid var(--line); border-radius: 8px;
  cursor: pointer; transition: transform .16s, box-shadow .16s;
}
.tl-item:hover { transform: translateX(4px); box-shadow: 0 6px 16px var(--shadow); }
.tl-item::before {
  content: ""; position: absolute; left: -36px; top: 50%; transform: translateY(-50%);
  width: 11px; height: 11px; border-radius: 50%; background: var(--cinnabar);
  border: 2px solid var(--paper); box-shadow: 0 0 0 2px var(--cinnabar-soft);
}
.tl-item .tl-year { font-size: 12px; color: var(--gold); letter-spacing: 1px; }
.tl-item .tl-title { font-size: 18px; letter-spacing: 2px; color: var(--ink); margin: 2px 0; }
.tl-item .tl-title small { font-size: 13px; color: var(--ink-soft); letter-spacing: 1px; font-weight: 400; }
.tl-item .tl-form { font-size: 12.5px; color: var(--jade); letter-spacing: 1px; }

/* ---------- Map ---------- */
#mapCanvas {
  height: 560px; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: inset 0 0 30px rgba(60,45,20,0.08);
  background: #dfe6e2;
}
.map-note { text-align: center; color: var(--ink-soft); font-size: 13px; margin-top: 12px; }
.leaflet-popup-content { font-family: var(--serif); }
.map-popup h4 { margin: 0 0 3px; color: var(--cinnabar); font-size: 17px; letter-spacing: 1px; }
.map-popup .mp-meta { font-size: 12px; color: var(--ink-soft); }
.map-popup .mp-open { color: var(--jade); cursor: pointer; font-size: 13px; text-decoration: underline; margin-top: 4px; display: inline-block; }
.map-fallback { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--ink-soft); text-align: center; padding: 40px; line-height: 2; }

/* ---------- Detail overlay ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(30, 22, 10, 0.55);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto;
  backdrop-filter: blur(3px);
}
.overlay.hidden { display: none; }
.poem-detail {
  background: var(--paper);
  background-image: linear-gradient(160deg, #faf6ea, #efe6d3);
  max-width: 760px; width: 100%;
  border-radius: 12px;
  border: 1px solid var(--gold);
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  padding: 34px 40px 40px;
  position: relative;
  animation: rise .28s ease;
}
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.close-btn {
  position: absolute; top: 16px; right: 18px;
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line);
  background: rgba(255,255,255,0.5); color: var(--ink-soft); font-size: 18px;
  cursor: pointer; line-height: 1; transition: all .16s;
}
.close-btn:hover { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); }

.pd-head { text-align: center; border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 8px; }
.pd-head h2 { margin: 0; font-size: 30px; letter-spacing: 4px; color: var(--ink); }
.pd-meta { margin-top: 8px; font-size: 14px; color: var(--ink-soft); letter-spacing: 1px; }
.pd-meta .seal {
  display: inline-block; margin-left: 8px; padding: 1px 8px;
  background: var(--cinnabar); color: #fbeee0; border-radius: 3px; font-size: 12px; letter-spacing: 2px;
}
.pd-place { font-size: 13px; color: var(--jade); margin-top: 6px; letter-spacing: 1px; }

/* text + pinyin */
.pd-poem { text-align: center; padding: 22px 0 6px; }
.pd-line { margin: 4px 0; }
.pd-line .py { display: block; font-size: 12px; color: var(--gold); letter-spacing: 1px; margin-bottom: 1px; height: 15px; }
.pd-line .zh { font-size: 23px; letter-spacing: 4px; color: var(--ink); line-height: 1.6; }
.pd-poem.no-pinyin .py { display: none; }

/* 文言文散文/语录：左对齐、正常字距、可折行 */
.pd-poem.prose { text-align: left; padding: 20px 4px 6px; }
.pd-poem.prose .pd-line { margin: 0 0 14px; }
.pd-poem.prose .zh { font-size: 18.5px; letter-spacing: 1px; line-height: 2.1; }
.pd-poem.prose .py { height: auto; line-height: 1.7; text-align: left; margin-bottom: 3px; }

.pinyin-toggle {
  display: block; margin: 4px auto 0; font-family: var(--serif);
  font-size: 13px; letter-spacing: 1px; color: var(--jade);
  background: none; border: none; cursor: pointer; text-decoration: underline;
}

/* accordion sections */
.pd-sections { margin-top: 18px; }
.pd-sec { border-top: 1px solid var(--line); }
.pd-sec-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 4px; cursor: pointer; user-select: none;
}
.pd-sec-head h4 { margin: 0; font-size: 17px; letter-spacing: 3px; color: var(--cinnabar); }
.pd-sec-head .arrow { color: var(--gold); transition: transform .2s; font-size: 13px; }
.pd-sec.open .arrow { transform: rotate(90deg); }
.pd-sec-body { display: none; padding: 0 4px 18px; font-size: 15.5px; line-height: 2; color: var(--ink-soft); letter-spacing: .5px; }
.pd-sec.open .pd-sec-body { display: block; }
.pd-sec-body.en { font-family: var(--serif-en); font-style: italic; line-height: 1.9; }
.notes-list { list-style: none; padding: 0; margin: 0; }
.notes-list li { margin-bottom: 10px; }
.notes-list .term { color: var(--cinnabar); font-weight: 700; margin-right: 6px; }

@media (max-width: 640px) {
  .site-header { gap: 12px; padding: 12px 16px; }
  .brand h1 { font-size: 24px; letter-spacing: 5px; }
  .tabs button { padding: 6px 10px; font-size: 14px; letter-spacing: 1px; }
  .poem-detail { padding: 28px 20px 32px; }
  .pd-line .zh { font-size: 20px; letter-spacing: 2px; }
  .timeline::before { left: 84px; }
  .era-label { width: 70px; font-size: 13px; }
  .tl-item { margin-left: 108px; }
  .tl-item::before { left: -30px; }
}

.site-footer {
  text-align: center; padding: 20px; color: var(--gold);
  font-size: 12.5px; letter-spacing: 1px; border-top: 1px solid var(--line);
}

/* ============ 首页 Home ============ */
#view-home { max-width: 1080px; }
.hero {
  text-align: center; padding: 30px 20px 34px; position: relative;
  border-bottom: 1px solid var(--line); margin-bottom: 4px;
}
.hero-seal {
  display: inline-block; writing-mode: vertical-rl; font-size: 15px; letter-spacing: 6px;
  color: #fff; background: var(--cinnabar); padding: 10px 6px; border-radius: 3px;
  box-shadow: 0 2px 8px var(--shadow); margin-bottom: 20px; line-height: 1.2;
}
.hero-verse {
  cursor: pointer; display: inline-block; margin: 4px auto 14px;
}
.hero-verse span {
  display: block; font-size: 30px; letter-spacing: 6px; color: var(--ink);
  line-height: 1.9; transition: color .2s;
}
.hero-verse:hover span { color: var(--cinnabar); }
.hero-attr { color: var(--gold); font-size: 14px; letter-spacing: 2px; }
.hero-tag { margin-top: 16px; color: var(--ink-soft); font-size: 13.5px; letter-spacing: 2px; }

.stat-ribbon {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 30px;
  padding: 20px 16px; margin: 0 0 8px; border-bottom: 1px solid var(--line);
}
.stat-ribbon > div { text-align: center; }
.stat-ribbon b { display: block; font-size: 27px; color: var(--cinnabar); letter-spacing: 1px; }
.stat-ribbon span { font-size: 12px; color: var(--ink-soft); letter-spacing: 2px; }
.stat-ribbon .genre-mini { color: var(--jade); font-size: 13px; letter-spacing: 1px; border-left: 1px solid var(--line); padding-left: 30px; }

.home-sec { padding: 26px 4px 6px; }
.home-sec h2 {
  font-size: 17px; letter-spacing: 8px; color: var(--cinnabar); margin: 0 0 4px;
  font-weight: 700; text-align: center;
}
.home-sec h2::after {
  content: ""; display: block; width: 34px; height: 2px; background: var(--gold);
  margin: 10px auto 18px;
}
.sec-sub { text-align: center; color: var(--ink-soft); font-size: 13px; letter-spacing: 1px; margin: -8px 0 16px; }

.dyn-strip { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.dyn-block {
  font-family: var(--serif); cursor: pointer; min-width: 92px;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 8px;
  background: linear-gradient(160deg, #fbf7ec, #f1e9d7); text-align: center;
  transition: transform .16s, box-shadow .16s, border-color .16s;
}
.dyn-block:hover { transform: translateY(-3px); box-shadow: 0 8px 20px var(--shadow); border-color: var(--cinnabar-soft); }
.dyn-block b { display: block; font-size: 21px; color: var(--ink); letter-spacing: 3px; }
.dyn-block em { display: block; font-style: normal; font-size: 10.5px; color: var(--gold); margin: 3px 0 5px; letter-spacing: .5px; }
.dyn-block i { font-style: normal; font-size: 12px; color: var(--jade); }

.chip-flow { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.mini-chip {
  font-family: var(--serif); cursor: pointer; font-size: 14px; letter-spacing: 1px;
  padding: 6px 13px; border: 1px solid var(--line); border-radius: 16px;
  background: rgba(255,255,255,0.55); color: var(--ink-soft); transition: all .16s;
}
.mini-chip:hover { border-color: var(--cinnabar-soft); color: var(--cinnabar); background: #fff; }
.mini-chip i { font-style: normal; font-size: 11px; color: var(--gold); margin-left: 5px; }

.char-row { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; }
.char-row .ch {
  font-family: var(--serif); cursor: pointer; font-size: 21px; color: var(--ink);
  width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 6px;
  background: linear-gradient(160deg,#fbf7ec,#f1e9d7); transition: all .15s;
}
.char-row .ch:hover { background: var(--cinnabar); color: #fff; border-color: var(--cinnabar); transform: translateY(-2px); }
.dim { color: var(--gold); font-size: 13px; }

/* ============ 体裁视图 ============ */
.type-nav { margin-bottom: 22px; }
.type-group { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }
.type-group-label {
  font-size: 14px; letter-spacing: 3px; color: var(--cinnabar); font-weight: 700;
  min-width: 88px; text-align: right; padding-right: 8px;
}
.type-group .chip i { font-style: normal; font-size: 11px; color: var(--gold); margin-left: 4px; }
.type-group .chip.active i { color: rgba(255,255,255,0.75); }

/* ============ 字词视图 ============ */
.word-search { max-width: 440px; margin: 0 auto 22px; }
.word-search input {
  width: 100%; padding: 11px 18px; border: 1px solid var(--line); border-radius: 22px;
  background: rgba(255,255,255,0.6); font-family: var(--serif); font-size: 17px;
  letter-spacing: 2px; color: var(--ink); outline: none; text-align: center;
}
.word-search input:focus { border-color: var(--cinnabar-soft); box-shadow: 0 0 0 3px rgba(168,50,45,0.12); }
.char-cloud {
  display: flex; flex-wrap: wrap; gap: 6px 10px; justify-content: center; align-items: baseline;
  max-width: 860px; margin: 0 auto 26px; padding-bottom: 22px; border-bottom: 1px solid var(--line);
  line-height: 1.5;
}
.cloud-char {
  font-family: var(--serif); cursor: pointer; color: var(--ink-soft); background: none; border: none;
  padding: 0 2px; transition: color .15s, transform .15s;
}
.cloud-char:hover { color: var(--cinnabar); transform: scale(1.15); }
.word-count { text-align: center; color: var(--ink-soft); font-size: 15px; letter-spacing: 1px; margin-bottom: 16px; }
.word-count b { color: var(--cinnabar); }
.word-list { max-width: 780px; margin: 0 auto; }
.word-row {
  cursor: pointer; padding: 13px 18px; border-left: 3px solid var(--line);
  margin-bottom: 8px; background: linear-gradient(160deg,#fbf7ec,#f1e9d7); border-radius: 0 8px 8px 0;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.word-row:hover { border-left-color: var(--cinnabar); transform: translateX(4px); box-shadow: 0 4px 12px var(--shadow); }
.wr-line { font-size: 18px; letter-spacing: 2px; color: var(--ink); line-height: 1.7; }
.wr-line mark { background: rgba(168,50,45,0.16); color: var(--cinnabar); padding: 0 2px; border-radius: 2px; font-weight: 700; }
.wr-meta { font-size: 12.5px; color: var(--ink-soft); letter-spacing: 1px; margin-top: 5px; }
.wr-meta span { color: var(--jade); margin-left: 6px; }

.brand { cursor: pointer; }

@media (max-width: 640px) {
  .hero-verse span { font-size: 23px; letter-spacing: 3px; }
  .stat-ribbon { gap: 18px; }
  .stat-ribbon .genre-mini { border-left: none; padding-left: 0; width: 100%; }
  .type-group-label { min-width: 100%; text-align: left; }
  .home-sec h2 { letter-spacing: 5px; }
}

/* ============ 作者专页 ============ */
.author-link { cursor: pointer; border-bottom: 1px dotted var(--gold); transition: color .15s; }
.author-link:hover { color: var(--cinnabar); border-bottom-color: var(--cinnabar); }
.pd-author-link { cursor: pointer; border-bottom: 1px dotted var(--gold); transition: color .15s; }
.pd-author-link:hover { color: var(--cinnabar); }

.back-link {
  font-family: var(--serif); font-size: 14px; letter-spacing: 2px; color: var(--ink-soft);
  background: none; border: none; cursor: pointer; padding: 4px 0; margin-bottom: 8px;
}
.back-link:hover { color: var(--cinnabar); }

.author-head {
  text-align: center; padding: 14px 16px 26px; border-bottom: 1px solid var(--line); margin-bottom: 22px;
  position: relative;
}
.author-seal {
  display: inline-flex; align-items: center; justify-content: center;
  width: 60px; height: 60px; border-radius: 6px; background: var(--cinnabar); color: #fbeee0;
  font-size: 34px; letter-spacing: 0; box-shadow: 0 3px 10px var(--shadow); margin-bottom: 14px;
}
.author-name { margin: 0; font-size: 34px; letter-spacing: 6px; color: var(--ink); }
.author-meta { margin-top: 10px; color: var(--ink-soft); font-size: 14.5px; letter-spacing: 1px; }
.author-meta b { color: var(--cinnabar); font-size: 17px; }
.author-meta em { font-style: normal; color: var(--jade); }
.author-meta .ap-dyn {
  display: inline-block; background: var(--cinnabar); color: #fbeee0;
  padding: 1px 10px; border-radius: 3px; font-size: 13px; letter-spacing: 2px; margin-right: 4px;
}
.ap-block { text-align: center; margin: 0 auto 18px; max-width: 780px; }
.ap-block h4 { font-size: 14px; letter-spacing: 3px; color: var(--cinnabar); margin: 0 0 10px; }
.ap-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.ap-place {
  cursor: pointer; font-size: 13.5px; letter-spacing: 1px; padding: 4px 12px;
  border: 1px solid var(--line); border-radius: 14px; background: rgba(74,107,90,0.08); color: var(--jade);
  transition: all .15s;
}
.ap-place:hover { background: var(--jade); color: #fff; border-color: var(--jade); }
.ap-works-h {
  text-align: center; font-size: 16px; letter-spacing: 5px; color: var(--cinnabar);
  margin: 26px 0 4px; padding-top: 18px; border-top: 1px solid var(--line);
}
.ap-works-h::after { content: ""; display: block; width: 30px; height: 2px; background: var(--gold); margin: 10px auto 18px; }