/* ══════════════════════════════════════
   1 · 设计变量
   ══════════════════════════════════════ */
:root{
  --lacquer:#17110E;
  --ivory:#EFE2C4;
  --ivory-dim:#D6C193;
  --cinnabar:#A32B1E;
  --gold:#B4903C;
  --brass:#E0BE6A;
  --jade:#7FA88A;
  --rust:#C4564A;
}

/* ══════════════════════════════════════
   2 · 基础版式
   ══════════════════════════════════════ */
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  background:radial-gradient(ellipse at 50% 34%, #2A1F17 0%, var(--lacquer) 62%);
  color:var(--ivory);
  font-family:"Noto Serif SC","Songti SC","STSong","Source Han Serif SC",serif;
  overflow:hidden;touch-action:none;
}
[hidden]{display:none!important}

.screen{
  height:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:clamp(8px,2vh,16px);
  padding:calc(env(safe-area-inset-top) + 10px) 14px calc(env(safe-area-inset-bottom) + 12px);
}
/* 内容可能超过一屏时（如认识九宫页），允许纵向滚动 */
.screen-scroll{justify-content:flex-start;overflow-y:auto}

/* 每页顶端的返回条 */
.backbar{
  width:100%;max-width:680px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:34px;
}
.backbar .step{
  font-size:11.5px;color:rgba(239,226,196,.35);
  letter-spacing:.22em;text-indent:.22em;
}
.link{
  font:inherit;font-size:13px;letter-spacing:.06em;text-indent:.06em;
  background:none;border:0;box-shadow:none;padding:6px 2px;
  color:var(--ivory-dim);cursor:pointer;
}
.link:hover{color:var(--brass)}
.link:active{transform:none;opacity:.7}

/* ══════════════════════════════════════
   3 · 盘面
   ══════════════════════════════════════ */
.plate{
  position:relative;
  width:min(88vw,46vh);height:min(88vw,46vh);
  flex:0 0 auto;
}
.plate::after{                       /* 盘边木框 */
  content:"";position:absolute;inset:-2.4%;border-radius:50%;
  background:linear-gradient(150deg,#4A3524,#241812 55%,#3D2B1C);
  box-shadow:0 14px 40px rgba(0,0,0,.65), inset 0 0 0 1px rgba(224,190,106,.28);
  z-index:-1;
}
.plate.locked::after{
  box-shadow:0 14px 40px rgba(0,0,0,.65), inset 0 0 0 1.5px rgba(224,190,106,.75);
}
#dial{width:100%;height:100%;display:block;will-change:transform}

/* 倒数进度环：覆盖在盘上，不随盘转 */
.hud{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hud .track{fill:none;stroke:rgba(23,17,14,.22);stroke-width:5}
.hud .ring{fill:none;stroke:var(--brass);stroke-width:5;stroke-linecap:round;transition:stroke .25s}
.plate.tilted .hud .ring{stroke:var(--cinnabar)}

/* 天心十道：固定不动，代表手机所指 */
.threads{position:absolute;inset:0;pointer-events:none}
.threads i{position:absolute;background:rgba(224,190,106,.55)}
.threads .v{
  left:50%;top:-1.5%;bottom:-1.5%;width:1px;transform:translateX(-.5px);
  background:linear-gradient(180deg,var(--cinnabar) 0 46%,rgba(224,190,106,.5) 46%);
}
.threads .h{top:50%;left:-1.5%;right:-1.5%;height:1px;transform:translateY(-.5px)}
.cursor{
  position:absolute;left:50%;top:-3.6%;width:0;height:0;transform:translateX(-50%);
  border-left:8px solid transparent;border-right:8px solid transparent;
  border-top:13px solid var(--cinnabar);
  filter:drop-shadow(0 1px 2px rgba(0,0,0,.7));
}

/* ══════════════════════════════════════
   4 · 倒数与读数
   ══════════════════════════════════════ */
.timer{
  display:flex;align-items:baseline;gap:.6em;min-height:1.3em;
  font-size:clamp(14px,4.2vw,18px);color:var(--ivory-dim);
  letter-spacing:.2em;text-indent:.2em;
}
.timer b{
  font-size:clamp(26px,7.4vw,36px);font-weight:500;letter-spacing:0;
  font-variant-numeric:tabular-nums;color:var(--brass);
}
.plate.tilted ~ .timer,
.plate.tilted ~ .timer b{color:var(--cinnabar)}

.readout{text-align:center;line-height:1.15}
.readout .deg{
  font-size:clamp(26px,7.4vw,38px);font-weight:500;
  font-variant-numeric:tabular-nums;color:var(--brass);
}
.readout .deg small{font-size:.42em;color:var(--ivory-dim);margin-left:.12em}
.readout .mountain{
  font-size:clamp(14px,4.2vw,18px);color:var(--ivory);
  margin-top:5px;letter-spacing:.28em;text-indent:.28em;
}
.readout .sitting{
  font-size:clamp(11px,3.1vw,12.5px);color:rgba(239,226,196,.52);
  margin-top:6px;letter-spacing:.16em;text-indent:.16em;
}

/* ══════════════════════════════════════
   5 · 提示与按钮
   ══════════════════════════════════════ */
.note{
  font-size:12.5px;line-height:1.65;text-align:center;max-width:32em;
  color:rgba(239,226,196,.55);min-height:1.65em;
}
.note b{color:var(--brass);font-weight:500}

button{
  font:inherit;font-size:15px;letter-spacing:.2em;text-indent:.2em;
  color:var(--lacquer);background:linear-gradient(180deg,var(--brass),var(--gold));
  border:0;border-radius:2px;padding:13px 30px;cursor:pointer;
  box-shadow:0 3px 14px rgba(180,144,60,.3);
}
button:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
button:active{transform:translateY(1px)}
button:disabled{opacity:.35;pointer-events:none}

.ghost{
  background:none;color:var(--ivory-dim);box-shadow:none;
  border:1px solid rgba(224,190,106,.4);
}
.actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.actions button{padding:11px 22px;font-size:14px}

/* ══════════════════════════════════════
   6 · 遮罩与对话框
   ══════════════════════════════════════ */
.gate,.modal{
  position:fixed;inset:0;z-index:9;
  background:rgba(23,17,14,.96);backdrop-filter:blur(3px);
  display:flex;flex-direction:column;align-items:center;
  gap:16px;padding:26px 20px 30px;text-align:center;overflow-y:auto;
}
.modal{justify-content:center}
.gate{justify-content:flex-start}

.ask{
  font-size:clamp(19px,5.4vw,24px);line-height:1.6;color:var(--ivory);max-width:14em;
}
.hint{font-size:13px;line-height:1.8;color:rgba(239,226,196,.5);max-width:24em}
.choices{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}

/* ══════════════════════════════════════
   7 · 首页 · 说明
   ══════════════════════════════════════ */
.masthead{margin-top:10px}
.masthead h1{
  font-size:clamp(26px,8vw,36px);font-weight:500;
  letter-spacing:.55em;text-indent:.55em;color:var(--ivory);
}
.masthead .rule{
  width:44px;height:1px;margin:11px auto 0;
  background:linear-gradient(90deg,transparent,var(--brass),transparent);
}
.masthead .tagline{
  margin-top:11px;font-size:13.5px;line-height:1.85;
  color:rgba(239,226,196,.66);max-width:19em;
}

/* 步骤说明 */
.steps{
  width:100%;max-width:23em;
  display:flex;flex-direction:column;gap:9px;list-style:none;
}
.steps li{
  display:flex;gap:11px;align-items:flex-start;text-align:left;
  padding:11px 13px;border-radius:2px;
  border:1px solid rgba(224,190,106,.16);
  background:rgba(0,0,0,.2);
}
.steps .n{
  flex:0 0 1.7em;height:1.7em;line-height:1.65em;text-align:center;
  border:1px solid rgba(224,190,106,.4);border-radius:50%;
  font-size:12px;color:var(--brass);
}
.steps .what{font-size:13.5px;line-height:1.6;color:rgba(239,226,196,.62)}
.steps .what b{
  display:block;color:var(--ivory);font-weight:500;
  letter-spacing:.14em;margin-bottom:2px;
}

/* ══════════════════════════════════════
   8 · 生辰输入
   ══════════════════════════════════════ */
.birth{
  width:100%;max-width:23em;
  display:flex;flex-direction:column;gap:12px;
  padding:15px;border:1px solid rgba(224,190,106,.25);border-radius:3px;
  background:rgba(0,0,0,.24);
}
.birth .cap{
  font-size:12px;color:var(--brass);letter-spacing:.24em;text-indent:.24em;
}
.birth .field{display:flex;flex-direction:column;gap:6px;text-align:left}
.birth .field > label{font-size:12px;color:var(--ivory-dim);letter-spacing:.12em}
.birth .field .opt{color:rgba(239,226,196,.32)}

/* 年月日三格 */
.ymd,.hm{display:flex;gap:7px;align-items:center}
.ymd input,.hm input{text-align:center;padding:11px 4px}
.ymd .y{flex:1.6 1 0}
.ymd .m,.ymd .d{flex:1 1 0}
.hm input{flex:1 1 0}
.ymd span,.hm span{color:rgba(239,226,196,.28);font-size:13px}

/* 性别二择 */
.sex{display:flex;gap:8px}
.sex button{
  flex:1 1 0;padding:11px 0;font-size:14px;
  letter-spacing:.24em;text-indent:.24em;
  background:none;color:var(--ivory-dim);box-shadow:none;
  border:1px solid rgba(224,190,106,.32);
}
.sex button[aria-pressed="true"]{
  background:rgba(224,190,106,.18);color:var(--ivory);border-color:var(--brass);
}

input[type="text"],input[type="number"]{
  font:inherit;font-size:15px;color:var(--ivory);
  background:rgba(0,0,0,.32);border:1px solid rgba(224,190,106,.35);
  border-radius:2px;padding:10px 11px;min-width:0;width:100%;
  font-variant-numeric:tabular-nums;
}
input:focus{outline:none;border-color:var(--brass)}
input::placeholder{color:rgba(239,226,196,.26)}
input[type="number"]{-moz-appearance:textfield}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

select{
  font:inherit;font-size:14px;color:var(--ivory);
  background:rgba(0,0,0,.32);border:1px solid rgba(224,190,106,.35);
  border-radius:2px;padding:9px 8px;
}

.bazi{
  font-size:12.5px;line-height:1.9;color:rgba(239,226,196,.62);
  letter-spacing:.06em;min-height:3.4em;
}
.bazi b{color:var(--brass);font-weight:500}
.bazi .pillars{
  font-size:15px;letter-spacing:.4em;text-indent:.4em;color:var(--ivory);
}
.bazi .bad{color:var(--rust)}

/* ══════════════════════════════════════
   9 · 第三页 · 版面
   ══════════════════════════════════════ */
#page3{justify-content:flex-start;gap:6px}

/* 平面切换条 */
.plan-tabs{
  width:100%;max-width:680px;display:flex;gap:6px;
  overflow-x:auto;padding-bottom:2px;
}
.plan-tabs::-webkit-scrollbar{display:none}
.plan-tabs button{
  flex:0 0 auto;padding:7px 14px;font-size:13px;
  letter-spacing:.08em;text-indent:.08em;
  background:none;color:var(--ivory-dim);box-shadow:none;
  border:1px solid rgba(224,190,106,.28);
}
.plan-tabs button[aria-pressed="true"]{
  background:rgba(224,190,106,.16);color:var(--ivory);border-color:var(--brass);
}
.plan-tabs .add{color:var(--brass);border-style:dashed}

/* 抬头：宅型、适配结论、面积 */
.house{
  width:100%;max-width:680px;
  display:flex;flex-wrap:wrap;gap:4px 12px;
  align-items:baseline;justify-content:space-between;
  font-size:12.5px;color:rgba(239,226,196,.6);letter-spacing:.06em;
}
.house b{color:var(--brass);font-weight:500;font-variant-numeric:tabular-nums}
.house .type{color:var(--ivory)}

.fit{
  font:inherit;font-size:12.5px;letter-spacing:.06em;
  background:none;box-shadow:none;padding:4px 10px;
  border:1px solid;border-radius:2px;cursor:pointer;
}
.fit.ok{color:var(--jade);border-color:rgba(127,168,138,.5);background:rgba(127,168,138,.1)}
.fit.mid{color:var(--brass);border-color:rgba(224,190,106,.45);background:rgba(224,190,106,.08)}
.fit.no{color:var(--rust);border-color:rgba(196,86,74,.5);background:rgba(196,86,74,.1)}
.fit.none{color:rgba(239,226,196,.45);border-color:rgba(224,190,106,.25)}

.canvas-wrap{
  position:relative;width:100%;max-width:680px;flex:1 1 auto;min-height:0;
  border:1px solid rgba(224,190,106,.22);border-radius:3px;
  background:rgba(0,0,0,.18);overflow:hidden;
}
#sheet{display:block;width:100%;height:100%;touch-action:none}

/* 北针：随坐向旋转，指出真北在图上的方位 */
.rose{position:absolute;top:10px;right:10px;width:46px;height:46px;pointer-events:none}
.rose svg{width:100%;height:100%;display:block}

.measure{
  width:100%;max-width:680px;
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;
  padding:9px;border:1px solid rgba(224,190,106,.3);border-radius:3px;
  background:rgba(0,0,0,.25);
}
.measure .who{font-size:13px;color:var(--ivory-dim);letter-spacing:.06em}
.measure input{width:7em;padding:8px 10px;font-size:14px;flex:0 0 auto}
.measure button{padding:8px 16px;font-size:13px}

.tools,.chips{
  width:100%;max-width:680px;
  display:flex;flex-wrap:wrap;gap:6px;justify-content:center;
}
.tools button{padding:9px 13px;font-size:13px;letter-spacing:.06em;text-indent:.06em}
.tools .mode[aria-pressed="true"]{
  background:linear-gradient(180deg,var(--brass),var(--gold));
  color:var(--lacquer);border-color:transparent;
}
.chips button{
  padding:6px 11px;font-size:12.5px;
  background:none;color:var(--ivory-dim);box-shadow:none;
  border:1px solid rgba(224,190,106,.3);
}
.chips button[aria-pressed="true"]{
  background:rgba(224,190,106,.16);color:var(--ivory);border-color:var(--brass);
}

/* ══════════════════════════════════════
   10 · 八宅九宫面板
   ══════════════════════════════════════ */
.bz-title{
  font-size:clamp(16px,4.8vw,20px);color:var(--ivory);
  letter-spacing:.32em;text-indent:.32em;
}
.bz-switch{display:flex;gap:8px}
.bz-switch button{
  padding:8px 16px;font-size:13px;
  background:none;color:var(--ivory-dim);box-shadow:none;
  border:1px solid rgba(224,190,106,.35);
}
.bz-switch button[aria-pressed="true"]{
  background:rgba(224,190,106,.18);color:var(--ivory);border-color:var(--brass);
}
.bz-switch button:disabled{opacity:.3}

.bz-base{
  font-size:12.5px;line-height:1.8;color:rgba(239,226,196,.6);max-width:26em;
}
.bz-base b{color:var(--brass);font-weight:500}

.bz-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:5px;
  width:100%;max-width:22em;
}
.bz-cell{
  position:relative;
  aspect-ratio:1;border-radius:2px;padding:5px 3px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;text-align:center;
  border:1px solid rgba(224,190,106,.18);
  background:rgba(0,0,0,.24);
}
.bz-cell .gua{font-size:10.5px;color:rgba(239,226,196,.5);letter-spacing:.04em}
.bz-cell .star{font-size:clamp(13px,4vw,16px);letter-spacing:.04em}
.bz-cell .gloss{font-size:9px;line-height:1.35;color:rgba(239,226,196,.42);padding:0 1px}
.bz-cell.good{border-color:rgba(127,168,138,.45);background:rgba(127,168,138,.08)}
.bz-cell.good .star{color:var(--jade)}
.bz-cell.bad{border-color:rgba(196,86,74,.45);background:rgba(196,86,74,.08)}
.bz-cell.bad .star{color:var(--rust)}
.bz-cell.self{border-color:var(--brass);border-width:1.5px}
.bz-cell.door{border-color:var(--cinnabar);border-width:1.5px}

.bz-cell .mark{
  position:absolute;top:-1px;left:50%;transform:translate(-50%,-50%);
  font-size:9px;letter-spacing:.06em;padding:1px 6px;border-radius:8px;
  background:var(--lacquer);white-space:nowrap;
}
.bz-cell .mark.sit {color:var(--brass);border:1px solid var(--brass)}
.bz-cell .mark.door{color:var(--cinnabar);border:1px solid var(--cinnabar)}
.bz-cell.hub{
  border-style:dashed;border-color:rgba(224,190,106,.3);background:rgba(0,0,0,.1);
}
.bz-cell.hub .star{color:rgba(239,226,196,.45);font-size:11.5px}

.bz-verdict{
  width:100%;max-width:25em;
  padding:13px 15px;border-radius:2px;
  border:1px solid rgba(224,190,106,.3);background:rgba(0,0,0,.26);
  font-size:12.5px;line-height:1.85;color:rgba(239,226,196,.72);
  text-align:left;
}
.bz-verdict .head{
  font-size:15px;color:var(--ivory);letter-spacing:.1em;
  margin-bottom:5px;display:block;
}
.bz-verdict .head.ok{color:var(--jade)}
.bz-verdict .head.no{color:var(--rust)}
.bz-verdict b{color:var(--brass);font-weight:500}
.bz-verdict ul{list-style:none;margin-top:4px}
.bz-verdict li{padding-left:1em;position:relative}
.bz-verdict li::before{content:"·";position:absolute;left:.2em;color:rgba(224,190,106,.6)}

.bz-foot{font-size:10.5px;line-height:1.7;color:rgba(239,226,196,.32);max-width:25em}

/* ══════════════════════════════════════
   11 · 认识九宫（第四页）
   ══════════════════════════════════════ */
#pageLearn{position:relative}

/* 可滚动页面里的文字块若换行，flex 容器有时会把它的高度
   算成只有一行，导致下一个元素叠上来。固定住各子项高度即可。 */
.screen-scroll > *{flex-shrink:0}

.learn-bg{position:absolute;inset:0;z-index:-1;pointer-events:none}
.bg-icon{
  position:absolute;color:var(--brass);opacity:.07;
  fill:none;stroke:currentColor;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}

.learn-intro{max-width:30em}
.learn-caption{
  font-size:11.5px;color:rgba(239,226,196,.4);letter-spacing:.1em;
}

#pageLearn .bz-grid{cursor:pointer}
.learn-hint{
  font-size:12px;color:var(--brass);letter-spacing:.04em;cursor:pointer;
}
.learn-hint:hover{color:var(--ivory)}

.star-legend{
  list-style:none;width:100%;max-width:27em;
  display:flex;flex-direction:column;gap:6px;
}
.star-legend li{
  display:flex;align-items:baseline;gap:9px;text-align:left;
  padding:9px 12px;border-radius:2px;
  border:1px solid rgba(224,190,106,.18);background:rgba(0,0,0,.2);
}
.star-legend .tag{
  flex:0 0 auto;font-size:11px;padding:2px 8px;border-radius:2px;
  letter-spacing:.05em;
}
.star-legend .tag.good{color:var(--jade);border:1px solid rgba(127,168,138,.5);background:rgba(127,168,138,.1)}
.star-legend .tag.bad {color:var(--rust);border:1px solid rgba(196,86,74,.5);background:rgba(196,86,74,.1)}
.star-legend .name{flex:0 0 auto;color:var(--ivory);font-size:13px;font-weight:500;letter-spacing:.08em}
.star-legend .gloss{font-size:12px;color:rgba(239,226,196,.55)}

/* ══ 测试口令墙 ══ */
.access-gate{
  position:fixed; inset:0; z-index:9999;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:14px; background:#17110E; color:#EFE2C4; padding:24px; text-align:center;
}
.access-gate p{font-size:13px; color:rgba(239,226,196,.6); max-width:22em}
.access-gate input{
  font-size:16px; padding:10px 14px; border-radius:8px; border:1px solid rgba(224,190,106,.4);
  background:rgba(255,255,255,.05); color:#EFE2C4; text-align:center; width:12em;
}
.access-gate button{
  font-size:14px; padding:10px 20px; border-radius:8px; border:none;
  background:#E0BE6A; color:#17110E; font-weight:600;
}
.access-gate .err{color:#A32B1E; font-size:12px; height:14px}

/* ══ 版本号 ══ */
.version-tag{
  position:fixed; left:8px; bottom:6px; z-index:10;
  font-size:10px; letter-spacing:.04em; color:rgba(239,226,196,.25);
  pointer-events:none;
}