/* ============================================================
   官网首页 · 各段布局
   公共部分（颜色、玻璃、顶栏、页脚、按钮）在 site.css。
   ============================================================ */

/* ============================================================
   开篇
   ============================================================ */
.hero { padding-top: clamp(140px, 17vh, 200px); }
.hero-head { display: block; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 12px;
  margin-bottom: 30px;
  border-radius: 999px;
  font-size: 13.5px;
  letter-spacing: .12em;
  color: var(--txt2);
  background: var(--glass-lite);
  border: 1px solid var(--edge);
}
.pulse {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: ping 2.4s var(--ease) infinite;
}
@keyframes ping { from { transform: scale(.5); opacity: 1; } to { transform: scale(1.8); opacity: 0; } }

.hero .display { font-size: clamp(54px, 9.4vw, 132px); }
.hero .display .line { display: block; }
.hero .display .line-2 {
  padding-left: .9em;
  background: linear-gradient(100deg, var(--txt) 20%, var(--accent) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  max-width: 30em;
  margin-top: 30px;
  font-size: clamp(17px, 1.5vw, 19px);
  color: var(--txt2);
}

/* ── 应用窗口 ── */
.hero-stage {
  position: relative;
  margin: clamp(64px, 8vw, 104px) auto 0;
  max-width: calc(var(--wrap) + 120px);
  padding: 0 var(--gutter);
  perspective: 1800px;
}
.stage-glow {
  position: absolute;
  left: 10%;
  right: 10%;
  top: 18%;
  bottom: -8%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 30%, transparent), transparent);
  filter: blur(50px);
  opacity: .8;
}
.mock {
  --tilt: 1;
  border-radius: var(--r-xl);
  padding: 12px;
  transform-origin: 50% 0%;
  transform: rotateX(calc(var(--tilt) * 16deg)) scale(calc(1 - var(--tilt) * .06));
  will-change: transform;
  font-size: 13px;
  line-height: 1.6;
}
.mock-top {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 36px;
  padding: 0 8px 0 6px;
}
.lights { display: inline-flex; gap: 7px; }
.lights i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.lights i:nth-child(2) { background: #febc2e; }
.lights i:nth-child(3) { background: #28c840; }
.crumb { color: var(--txt3); }
.crumb b { color: var(--txt); font-weight: 600; }
.crumb em { font-style: normal; margin: 0 8px; opacity: .6; }
.mock-saved { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--txt3); }
.mock-saved i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
.mock-tools { display: inline-flex; gap: 6px; margin-left: auto; }
.chip {
  padding: 3px 10px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--txt2);
  background: var(--well);
  border: 1px solid var(--edge);
}

.mock-body {
  display: grid;
  grid-template-columns: 220px 1fr 230px;
  gap: 12px;
  margin-top: 10px;
  min-height: 440px;
}
.island {
  border-radius: 16px;
  background: var(--paper);
  border: 1px solid var(--edge);
}
.toc { display: flex; flex-direction: column; padding: 16px 12px; }
.toc-vol { padding: 0 8px; margin: 4px 0 6px; font-size: 11.5px; letter-spacing: .12em; color: var(--txt4); }
.toc ol { margin-bottom: 12px; }
.toc li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  color: var(--txt2);
}
.toc li em { font-style: normal; font-size: 11.5px; color: var(--txt4); font-variant-numeric: tabular-nums; }
.toc li.on { color: var(--txt); background: var(--accent-soft); }
.toc li.on em { color: var(--accent); }
.toc li.draft { color: var(--txt3); }
.toc-foot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 8px;
  margin-top: auto;
  padding: 14px 8px 2px;
  border-top: 1px solid var(--sep);
}
.toc-stat b { display: block; font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.toc-stat span { font-size: 11px; color: var(--txt3); }
.goal { grid-column: 1 / -1; height: 4px; border-radius: 4px; background: var(--well); overflow: hidden; }
.goal span { display: block; height: 100%; width: var(--p); border-radius: inherit; background: var(--accent); }
.goal-cap { grid-column: 1 / -1; margin-top: -4px; font-size: 11px; color: var(--txt3); }

.page { padding: 44px clamp(28px, 6%, 72px) 40px; }
.page h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .06em;
  margin-bottom: 26px;
}
.prose p {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 2.05;
  text-indent: 2em;
  color: var(--txt);
  margin-bottom: 8px;
}
.prose p:empty { display: none; }
.caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  margin-left: 2px;
  vertical-align: -3px;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.margin { display: flex; flex-direction: column; gap: 12px; padding-top: 58px; }
.note { padding: 14px; }
.note p { color: var(--txt2); }
.note-head { margin-bottom: 6px; font-size: 12px; color: var(--txt3) !important; }
.note-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--sep);
  font-size: 12px;
  color: var(--accent) !important;
}
.person { display: flex; align-items: center; gap: 12px; padding: 12px 14px; }
.person b { display: block; font-weight: 600; }
.person small { font-size: 11.5px; color: var(--txt3); }
.avatar {
  display: grid;
  place-items: center;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-family: var(--serif);
  font-weight: 700;
  color: #fff;
  background: linear-gradient(145deg, hsl(var(--h) 45% 62%), hsl(calc(var(--h) + 30) 40% 38%));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .35);
}

/* ============================================================
   三件事
   ============================================================ */
.pillars .h2 { max-width: 15em; }
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}
.pillar { padding: 36px 32px 38px; overflow: hidden; }
.numeral {
  display: block;
  margin-bottom: 40px;
  font-family: var(--sans);
  font-weight: 200;
  font-size: 64px;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(160deg, var(--accent), transparent 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: .8;
}
.pillar h3 { font-family: var(--serif); font-weight: 600; font-size: 24px; letter-spacing: .08em; }
.pillar p { margin-top: 12px; color: var(--txt2); }

/* ============================================================
   写作
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.ticks { margin-top: 30px; display: grid; gap: 14px; }
.ticks li {
  position: relative;
  padding-left: 30px;
  color: var(--txt2);
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .5em;
  width: 14px;
  height: 8px;
  border-left: 1.5px solid var(--accent);
  border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}

.feature-demo { position: relative; }
.sheet {
  padding: 40px clamp(24px, 5vw, 56px) 44px;
  border-radius: var(--r-xl);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.95;
}
.sheet .p { text-indent: 2em; }
.blk { margin-top: 20px; transition: all .5s var(--ease); }
.blk .plain { display: none; }

.chat { display: flex; flex-direction: column; gap: 8px; font-family: var(--sans); font-size: 14.5px; }
.bubble {
  align-self: flex-start;
  max-width: 70%;
  padding: 8px 14px;
  border-radius: 16px 16px 16px 4px;
  background: var(--well);
  border: 1px solid var(--edge);
}
.bubble b { display: block; font-size: 11.5px; font-weight: 500; color: var(--txt3); }
.bubble.r {
  align-self: flex-end;
  border-radius: 16px 16px 4px 16px;
  color: var(--on-accent);
  background: var(--accent);
  border-color: transparent;
}
.sys {
  padding: 14px 18px;
  border-radius: 12px;
  font-family: var(--sans);
  font-size: 14px;
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  border: 1px solid var(--accent-line);
}
.sys-title { font-weight: 600; color: var(--accent); margin-bottom: 4px; letter-spacing: .08em; }
.sys-row { display: flex; justify-content: space-between; color: var(--txt2); }
.sys-row b { color: var(--txt); font-weight: 500; }
.letter {
  padding: 18px 22px 16px;
  border-radius: 4px 14px 14px 4px;
  border-left: 2px solid var(--accent-line);
  background: var(--well);
}
.letter-body { text-indent: 2em; }
.letter .sign { text-align: right; font-size: 14px; color: var(--txt3); }
.letter .sign::before { content: "—— "; }
.rule { text-align: center; color: var(--txt4); letter-spacing: .2em; }

/* 读者看到的：全部降成纯文本 */
.sheet[data-view="plain"] .blk:not(.rule) > :not(.plain) { display: none; }
.sheet[data-view="plain"] .blk .plain { display: block; text-indent: 0; color: var(--txt); font-family: var(--serif); font-size: 16px; }
.sheet[data-view="plain"] .chat,
.sheet[data-view="plain"] .sys,
.sheet[data-view="plain"] .letter { padding: 0; background: none; border-color: transparent; }
.sheet[data-view="plain"] .blk { animation: settle .45s var(--ease); }
.sheet[data-view="edit"] .blk { animation: settle .45s var(--ease); }
@keyframes settle { from { opacity: .2; transform: translateY(4px); } }

/* ============================================================
   设定台 · 便当格
   ============================================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.tile { padding: 28px 28px 30px; overflow: hidden; }
.tile-head h3 { font-family: var(--serif); font-weight: 600; font-size: 22px; letter-spacing: .08em; }
.tile-head p { margin-top: 6px; font-size: 14.5px; color: var(--txt2); max-width: 26em; }
.tile-map { grid-column: span 4; }
.tile-cast { grid-column: span 2; display: flex; flex-direction: column; }
.tile-history, .tile-system, .tile-library { grid-column: span 2; }

/* 墨线地图 */
.inkmap { display: block; width: 100%; height: auto; margin-top: 18px; border-radius: 14px; background: var(--well); }
.inkmap .sea { fill: url(#hatch); }
.inkmap .ink-hair { stroke: var(--txt4); stroke-width: .8; }
.inkmap .coast { fill: none; stroke: var(--txt2); stroke-width: 1.6; }
.inkmap .coast.faint { stroke: var(--txt4); stroke-width: .9; }
.inkmap .river { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; opacity: .75; }
.inkmap .river.thin { stroke-width: 1.6; }
.inkmap .lake { fill: color-mix(in srgb, var(--accent) 14%, transparent); stroke: var(--accent); stroke-width: 1.2; opacity: .8; }
.inkmap .isle { fill: var(--bg); stroke: var(--txt2); stroke-width: 1.3; }
.inkmap .road { fill: none; stroke: var(--txt3); stroke-width: 1.2; stroke-dasharray: 2 5; stroke-linecap: round; }
.inkmap .mtn { fill: var(--bg); stroke: var(--txt2); stroke-width: 1.3; stroke-linejoin: round; }
.inkmap .mtn-shade { fill: none; stroke: var(--txt3); stroke-width: .8; }
.inkmap .tree { fill: none; stroke: var(--txt3); stroke-width: 1; }
.inkmap .pin circle { fill: var(--accent); stroke: var(--bg); stroke-width: 2.5; }
.inkmap .pin.city circle { fill: var(--bg); stroke: var(--accent); stroke-width: 3; }
.inkmap .pin text {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  fill: var(--txt);
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 4px;
  stroke-linejoin: round;
}
.inkmap .draw { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); }
.tile-map.is-in .inkmap .draw { animation: ink 2.4s var(--ease) forwards; }
@keyframes ink { to { stroke-dashoffset: 0; } }

/* 人物关系 */
.roster { display: grid; gap: 6px; margin-top: 20px; }
.roster li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 12px;
  background: var(--well);
  font-size: 14px;
}
.roster .avatar { width: 30px; height: 30px; font-size: 14px; }
.roster b { font-weight: 500; }
.roster small { font-size: 12px; color: var(--txt3); }
.graph { display: block; width: 100%; max-width: 300px; margin: auto auto 0; padding-top: 14px; }
.graph .edge { fill: none; stroke-width: 1.5; }
.graph .trust { stroke: var(--accent); }
.graph .doubt { stroke: var(--txt3); stroke-dasharray: 4 4; }
.graph .guard { stroke: #e0a95c; opacity: .8; }
.graph .edge-label { font-size: 11px; fill: var(--txt3); text-anchor: middle; }
.graph .node circle {
  fill: hsl(var(--h) 40% 50%);
  stroke: var(--bg);
  stroke-width: 3;
}
.graph .node text { font-family: var(--serif); font-size: 17px; font-weight: 700; fill: #fff; text-anchor: middle; }
.graph .node.unknown circle { fill: var(--bg); stroke: var(--txt3); stroke-dasharray: 3 3; stroke-width: 1.5; }
.graph .node.unknown text { fill: var(--txt3); }

/* 历史编年 */
.chron { position: relative; margin-top: 22px; padding-left: 20px; }
.chron::before { content: ""; position: absolute; left: 4px; top: 8px; bottom: 8px; width: 1px; background: var(--sep); }
.chron li {
  position: relative;
  display: grid;
  grid-template-columns: 58px 1fr auto;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
}
.chron li::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--txt3);
}
.chron time { font-size: 12px; color: var(--txt3); font-variant-numeric: tabular-nums; }
.chron b { font-weight: 500; }
.chron .pre b { color: var(--txt2); }
.chron .start { padding: 10px 0; }
.chron .start::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.chron .start b, .chron .start time { color: var(--accent); }
.flag { font-size: 11px; color: var(--txt4); white-space: nowrap; }
.flag.ok { color: var(--txt3); }
.flag.accent { color: var(--accent); }

/* 体系 */
.ladder { margin-top: 22px; display: grid; gap: 8px; }
.ladder li {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 4px 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--well);
  border: 1px solid transparent;
  font-size: 14px;
}
.ladder li span { font-family: var(--serif); font-weight: 600; letter-spacing: .1em; }
.ladder li i { height: 3px; border-radius: 3px; background: var(--sep); }
.ladder li em { grid-column: 2; font-style: normal; font-size: 11.5px; color: var(--txt3); margin-top: -2px; }
.ladder li.here { border-color: var(--accent-line); background: var(--accent-soft); }
.ladder li.here i { background: linear-gradient(90deg, var(--accent) 65%, var(--sep) 65%); }
.ladder li.here em { color: var(--accent); }
.ladder li:nth-child(2) i { background: linear-gradient(90deg, var(--txt4) 30%, var(--sep) 30%); }

/* 素材 */
.scraps { margin-top: 22px; display: grid; gap: 10px; }
.scrap {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--well);
  font-family: var(--serif);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--txt2);
  transition: transform .3s var(--ease), background .3s;
}
.scrap .tag { font-family: var(--sans); }
.scrap:nth-child(2) { margin-left: 16px; }
.scrap:hover { transform: translateX(4px); background: var(--glass-hi); }

/* ============================================================
   外观
   ============================================================ */
.themes-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.picker { padding: 30px 30px 32px; border-radius: var(--r-xl); }
.picker-label { margin-bottom: 10px; font-size: 12.5px; letter-spacing: .2em; color: var(--txt3); }
.picker .seg { display: grid; width: 100%; margin-bottom: 26px; }
.swatches { display: grid; gap: 8px; }
.swatches button {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--txt2);
  text-align: left;
  transition: background .25s, border-color .25s, color .25s;
}
.swatches button:hover { background: var(--well); }
.swatches button[aria-checked="true"] { color: var(--txt); background: var(--glass-hi); border-color: var(--edge); }
.swatches button[aria-checked="true"]::after { content: "✓"; margin-left: auto; color: var(--accent); }
.sw {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .3), 0 4px 12px -4px rgba(0, 0, 0, .5);
}
html[data-mode="night"] .sw.lavender { background: linear-gradient(135deg, #b4a8ff, #545088); }
html[data-mode="night"] .sw.glacier { background: linear-gradient(135deg, #6fd3c6, #28685f); }
html[data-mode="night"] .sw.mist { background: linear-gradient(135deg, #8fb6ff, #324c8a); }
html[data-mode="day"] .sw.lavender { background: linear-gradient(135deg, #b8acee, #6e5fd0); }
html[data-mode="day"] .sw.glacier { background: linear-gradient(135deg, #92d2c8, #23938a); }
html[data-mode="day"] .sw.mist { background: linear-gradient(135deg, #a0bcf0, #3a74d8); }

/* ============================================================
   存放
   ============================================================ */
.local-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fact { padding: 32px 30px 34px; }
.fact-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 26px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
}
.fact-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.fact h3 { font-family: var(--serif); font-weight: 600; font-size: 21px; letter-spacing: .06em; }
.fact p { margin-top: 10px; color: var(--txt2); font-size: 15px; }
.sync-pill {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  margin-top: 18px !important;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px !important;
  background: var(--well);
  border: 1px solid var(--edge);
}
.sync-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 var(--ok); animation: beat 2.6s ease-out infinite; }
@keyframes beat { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent); } 70%, 100% { box-shadow: 0 0 0 8px transparent; } }

/* ============================================================
   收尾
   ============================================================ */
.finale { padding-bottom: clamp(80px, 10vw, 128px); }
.finale-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(56px, 8vw, 96px) 24px;
  border-radius: 36px;
  text-align: center;
  overflow: hidden;
}
.finale-inner::after {
  content: "";
  position: absolute;
  inset: auto 15% -60% 15%;
  height: 100%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 35%, transparent), transparent);
  filter: blur(30px);
}
.finale-title { margin-top: 34px; font-size: clamp(36px, 5.6vw, 72px); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .mock-body { grid-template-columns: 200px 1fr; }
  .margin { display: none; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .tile-map { grid-column: 1 / -1; }
  .tile-cast, .tile-history, .tile-system { grid-column: span 1; }
  .tile-library { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .hero .display .line-2 { padding-left: .5em; }
  .mock-body { grid-template-columns: 1fr; min-height: 0; }
  .toc { display: none; }
  .page { padding: 30px 22px 26px; }
  .pillar-grid, .local-grid { grid-template-columns: 1fr; }
  .feature-grid, .themes-grid, .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .mock { padding: 8px; border-radius: 20px; }
  .mock-top .crumb, .mock-tools { display: none; }
  .mock-saved { margin-left: auto; }
  .bento { grid-template-columns: 1fr; }
  .tile-cast, .tile-history, .tile-system { grid-column: auto; }
  .tile { padding: 22px 20px 24px; }
  .chron li { grid-template-columns: 52px 1fr; }
  .chron .flag { grid-column: 2; margin-top: -6px; }
}

@media (prefers-reduced-motion: reduce) {
  .pulse::after, .sync-pill i, .caret { animation: none; }
  .mock { transform: none; }
  .inkmap .draw { stroke-dasharray: none; stroke-dashoffset: 0; }
}