/* 無大過首页 · 六十四状态空间模型（原样封装） */

/* 無大過 V0.3.18 — 网站说明与备案信息预留版 */
:root {
  --paper:#f7f4ed;
  --ink:#372f29;
  --accent:#91694e;
  --font-song:"Songti SC","STSong","Noto Serif CJK SC","SimSun",serif;
  --font-kai:"Kaiti SC","STKaiti","KaiTi","楷体",serif;
  --font-ui:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --panel-width:160px;
  --panel-height:260px;
  --title-ink:#40362f;
  --section-label:#92735f;
  --panel-heading:#675548}
* {
  box-sizing:border-box}
html {
  min-height:100%}
body {
  margin:0;
  min-height:100%;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-ui);
  -webkit-font-smoothing:antialiased}
button {
  font:inherit}
.page {
  min-height:100svh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:clamp(22px,4vh,48px) 20px 18px}
.hero {
  text-align:center;
  flex:none}
/* 标题与技术副标共用一组落款式排版 */
.brand-lockup {display:flex;justify-content:center;align-items:baseline;flex-wrap:wrap;column-gap:4px;row-gap:2px;margin:0 0 20px}
.brand-subtitle {font-family:var(--font-ui);font-size:clamp(11px,1vw,13px);font-weight:400;letter-spacing:.025em;color:#756b60;white-space:nowrap;line-height:1.6}
.hero h1 {
  font-family:var(--font-song);
  font-size:clamp(44px,5.3vw,68px);
  font-weight:500;
  letter-spacing:.22em;
  text-indent:.22em;
  line-height:1.28;
  margin:0;
  color:var(--title-ink);
  text-shadow:none}
.quote {
  font-family:var(--font-kai);
  font-size:clamp(13px,1.25vw,16px);
  letter-spacing:.065em;
  line-height:1.85;
  margin:0}
.translation {
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(12px,1.05vw,14px);
  line-height:1.6;
  font-style:italic;
  color:#766c61;
  margin:7px 0 0}
.workarea {
  width:min(1260px,100%);
  display:grid;
  grid-template-columns:var(--panel-width) minmax(0,790px) var(--panel-width);
  align-items:center;
  justify-content:center;
  gap:clamp(12px,1.5vw,22px);
  margin:clamp(12px,2.6vh,27px) auto 0;
  min-height:clamp(390px,51vh,520px)}
.sculpture {
  position:relative;
  width:100%;
  height:clamp(390px,51vh,520px);
  min-height:390px;
  touch-action:none;
  cursor:grab;
  outline:none}
.sculpture:active {
  cursor:grabbing}
.sculpture:focus-visible {
  outline:none}
canvas {
  display:block;
  width:100%;
  height:100%}
.side-panel {
  width:var(--panel-width);
  height:var(--panel-height);
  min-width:0;
  position:relative;
  justify-self:center;
  align-self:center;
  border:1px solid #e5dcd0;
  border-radius:6px;
  background:rgba(255,253,248,.76);
  padding:14px 10px 10px;
  overflow:hidden;
  opacity:0;
  visibility:hidden;
  transition:opacity .23s,visibility .23s;
  color:#4a3c32}
.side-panel.visible {
  opacity:1;
  visibility:visible}
.side-panel>div {
  height:100%;
  overflow:hidden}
.panel-close {
  position:absolute;
  right:9px;
  top:5px;
  border:0;
  background:transparent;
  color:#9a8c7c;
  font-family:var(--font-ui);
  font-size:18px;
  cursor:pointer;
  z-index:2}
.panel-title {
  font-family:var(--font-song);
  font-size:17px;
  font-weight:500;
  line-height:1.35;
  margin:0 13px 9px 0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis}
.panel-title .hexagram-name {
  font-family:var(--font-kai);
  font-size:17px}
.panel-hex {
  color:#c43c32}
.script-section {
  margin:0 0 9px;
  min-height:0}
.script-section h3 {
  font-family:var(--font-ui);
  font-size:12px;
  font-weight:500;
  letter-spacing:0;
  color:var(--section-label);
  margin:0 0 3px}
.script-section p {
  font-family:var(--font-kai);
  font-size:13px;
  line-height:1.58;
  margin:0;
  white-space:normal;
  overflow-wrap:anywhere}
.script-pending {
  font-size:12px;
  color:#a79b8d}
.neighbor-heading {
  font-family:var(--font-ui);
  font-size:13px;
  font-weight:500;
  color:var(--panel-heading);
  letter-spacing:0;
  line-height:1.4;
  height:22px;
  margin-bottom:4px}
.neighbor-items {
  height:calc(100% - 26px);
  margin:0;
  display:grid;
  grid-template-rows:repeat(6,minmax(0,1fr))}
.neighbor-item {
  width:100%;
  min-width:0;
  border:0;
  border-radius:4px;
  background:transparent;
  text-align:left;
  display:flex;
  align-items:center;
  gap:4px;
  padding:0 1px;
  cursor:pointer;
  color:#55483f;
  white-space:nowrap}
.neighbor-item:hover {
  background:#f2eae0}
.neighbor-item .n-line {
  font-family:var(--font-ui);
  font-size:11px;
  min-width:34px;
  flex:none;
  color:#807469}
.neighbor-item .n-glyph {
  font-size:18px;
  min-width:18px;
  flex:none}
.neighbor-item .n-name {
  font-family:var(--font-kai);
  font-size:12px;
  overflow:hidden;
  text-overflow:ellipsis}
.view-control {
  position:absolute;
  right:13px;
  bottom:12px;
  z-index:2;
  width:31px;
  height:31px;
  border:1px solid #e1d6ca;
  border-radius:50%;
  background:#f7f4eddd;
  color:#887767;
  cursor:pointer;
  font-family:var(--font-ui);
  font-size:19px;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:color .2s,border-color .2s,background .2s}
.view-control:hover,.view-control:focus-visible {
  color:#a54a36;
  border-color:#b69d8b;
  background:#fffdf9}
.panel-toggles {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:9px;
  color:#b7a89b;
  margin:24px 0 0;
  font-size:12px}
.panel-toggles[hidden] {
  display:none}
.panel-toggles button {
  font-family:var(--font-ui);
  border:0;
  background:none;
  color:#998a7d;
  padding:6px 4px;
  cursor:pointer}
.panel-toggles button[aria-pressed='true'] {
  color:#57483b}
.links {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:clamp(24px,4vw,52px);
  margin:4px 0 0}
.links a {text-decoration:none;display:inline-block;
  font-family:var(--font-ui);
  border:0;
  background:transparent;
  padding:8px 0;
  color:#51473e;
  font-size:15px;
  letter-spacing:.16em;
  cursor:pointer;
  border-bottom:1px solid transparent}
.links a:hover,.links a:focus-visible {
  color:#986f50;
  border-bottom-color:#a98c74}
.foot {
  margin-top:auto;
  padding-top:22px;
  color:#a89d91;
  font-size:11px;
  letter-spacing:.06em;
  text-align:center}
.foot button {
  border:0;
  background:none;
  color:inherit;
  cursor:pointer;
  font-size:11px;
  padding:5px 9px}
.foot button:hover {
  color:#6c5d50}
/* 备案编号取得后才展示，不显示占位编号。 */
.filings {
  margin-top:6px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:5px 16px;
  font-family:var(--font-ui);
  font-size:11px;
  letter-spacing:0;
  line-height:1.7;
}
.filings[hidden],.filings a[hidden],.filings img[hidden] {display:none}
.filings a {
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:inherit;
  text-decoration:none;
}
.filings a:hover,.filings a:focus-visible {text-decoration:underline;color:#6c5d50}
.filings img {width:15px;height:15px;object-fit:contain}

.notice {
  position:fixed;
  z-index:10;
  left:50%;
  bottom:24px;
  transform:translateX(-50%) translateY(12px);
  padding:11px 18px;
  background:#4a3d32;
  color:#fffaf2;
  border-radius:4px;
  font-size:12px;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s,transform .2s;
  white-space:normal;
  max-width:min(90vw,540px);
  text-align:center}
.notice.show {
  opacity:1;
  transform:translateX(-50%) translateY(0)}
.data-error {
  position:fixed;
  z-index:11;
  left:50%;
  top:12px;
  transform:translateX(-50%);
  width:max-content;
  max-width:calc(100vw - 32px);
  padding:10px 14px;
  background:#4a3d32;
  color:#fffaf2;
  border-radius:4px;
  font-size:12px;
  line-height:1.5;
  text-align:center;
  box-shadow:0 3px 15px #0002}
.data-error[hidden] {
  display:none}
dialog {
  max-width:min(420px,calc(100% - 32px));
  border:1px solid #dfd3c6;
  border-radius:5px;
  padding:26px 30px;
  background:#fbf9f4;
  color:#4d4136;
  line-height:1.85;
  box-shadow:0 18px 65px #0002}
dialog::backdrop {
  background:#2e241d55}
dialog h2 {
  font-family:var(--font-ui);
  font-size:19px;
  font-weight:500;
  letter-spacing:0;
  margin:0 0 10px}
dialog p {
  font-family:var(--font-kai);
  font-size:13px;
  margin:0 0 14px}
dialog .dialog-actions {
  display:flex;
  justify-content:flex-end;
  margin-top:8px}
dialog button {
  font-family:var(--font-ui);
  font-size:12px;
  line-height:1.4;
  background:transparent;
  border:1px solid #cbbba9;
  border-radius:3px;
  padding:5px 15px;
  min-width:56px;
  cursor:pointer;
  color:#655347}
@media(min-width:821px) {
  #textPanel {
  transform:translateX(32px)}
#neighborPanel {
  transform:translateX(-32px)}
}
@media(min-width:900px) and (max-height:760px) {
  .page {
  justify-content:flex-start;
  padding-top:18px}
.workarea {
  min-height:390px;
  margin-top:8px}
.workarea .sculpture {
  height:390px}
.foot {
  padding-top:10px}
}
@media(max-width:1150px) and (min-width:821px) {
  .workarea {
  grid-template-columns:var(--panel-width) minmax(0,1fr) var(--panel-width);
  gap:8px}
.side-panel {
  padding:14px 10px 10px}
}
@media(max-width:820px) {
  .page {
  justify-content:flex-start;
  padding:clamp(38px,8vh,80px) 12px 22px}
.workarea {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px}
.workarea .sculpture {
  order:0;
  width:100%;
  height:clamp(340px,46vh,460px);
  min-height:340px}
.side-panel {
  order:1;
  flex:0 0 var(--panel-width)}
.side-panel:not(.visible) {
  display:none}
.panel-toggles {
  margin-top:20px}
.links {
  gap:26px}
.links a {text-decoration:none;display:inline-block;
  font-size:14px}
.foot {
  padding-top:24px}
.translation {
  max-width:310px;
  margin:8px auto 0}
}
@media(max-width:520px) {
  .workarea .sculpture {
  height:340px;
  min-height:340px}
.side-panel {
  flex:0 0 var(--panel-width)}
}
@media(prefers-reduced-motion:reduce) {
  .side-panel,.view-control,.notice {
  transition:none}
}