:root {
  --ink: #12100e;
  --paper: #e8dfd0;
  --paper-dim: #d4c8b4;
  --cinnabar: #a33b2d;
  --cinnabar-deep: #7a261c;
  --celadon: #6d8b7a;
  --gold: #b8955a;
  --line: rgba(232, 223, 208, 0.18);
  --font-display: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  --font-body: "Noto Serif SC", "Songti SC", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.7;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(163, 59, 45, 0.14), transparent 55%),
    radial-gradient(900px 500px at 10% 20%, rgba(109, 139, 122, 0.1), transparent 50%),
    linear-gradient(180deg, #0c0b0a 0%, var(--ink) 40%, #181410 100%);
  background-attachment: fixed;
}

a { color: var(--gold); text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }

.wrap { width: min(720px, calc(100% - 2rem)); margin: 0 auto; }
.hidden { display: none !important; }
.muted { color: var(--paper-dim); }

/* —— 一环一屏 —— */
.screen {
  display: none;
  min-height: 100vh;
  padding: 5.5rem 0 3rem;
  position: relative;
}
.screen.active { display: block; }
.screen-body { position: relative; z-index: 1; }
.home-body {
  min-height: calc(100vh - 4rem);
  display: grid; align-content: center;
}
.flow-hint {
  margin-top: 2rem; font-size: 0.85rem; color: var(--paper-dim);
  letter-spacing: 0.06em;
}

.chain {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  background: rgba(12, 11, 10, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.chain-inner { padding: 0.55rem 0; }
.chain-steps {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 0.25rem; overflow-x: auto;
  scrollbar-width: none;
}
.chain-steps li {
  flex: 0 0 auto; font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--paper-dim); padding: 0.35rem 0.55rem;
  border: 1px solid transparent; border-radius: 2px;
  cursor: pointer; white-space: nowrap;
}
.chain-steps li .n {
  font-family: var(--font-mono); color: var(--gold); margin-right: 0.25rem;
}
.chain-steps li.done { color: var(--celadon); }
.chain-steps li.current {
  color: var(--paper); border-color: var(--cinnabar);
  background: rgba(163, 59, 45, 0.15);
}
.chain-steps li.locked { opacity: 0.35; cursor: default; }

.nav-bar {
  display: flex; justify-content: space-between; gap: 0.8rem;
  margin-top: 2.2rem; padding-top: 1.2rem; border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.cause-card {
  border-left: 2px solid var(--gold);
  padding: 0.65rem 0 0.65rem 1rem;
  margin-bottom: 1.4rem;
  color: var(--paper-dim); font-size: 0.92rem;
  max-height: 9.5em; overflow: auto;
}
.cause-card strong { color: var(--gold); font-weight: 500; }
.stage-single { display: grid; gap: 1.4rem; }

.hero-bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  pointer-events: none;
}
.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(48px);
  will-change: transform, opacity;
}
.hero-glow.g1 {
  width: min(42vw, 28rem); height: min(42vw, 28rem);
  top: 8%; right: 6%;
  background: rgba(163, 59, 45, 0.22);
}
.hero-glow.g2 {
  width: min(36vw, 22rem); height: min(36vw, 22rem);
  bottom: 12%; left: 4%;
  background: rgba(109, 139, 122, 0.16);
}
.hero-rings {
  position: absolute; left: 50%; top: 46%;
  width: min(78vmin, 36rem); height: min(78vmin, 36rem);
  transform: translate(-50%, -50%);
}
.hero-rings .ring {
  position: absolute; inset: 0; margin: auto;
  border-radius: 50%;
  border: 1px solid rgba(232, 223, 208, 0.08);
  will-change: transform, opacity;
}
.hero-rings .r1 { inset: 0; border-color: rgba(232, 223, 208, 0.07); }
.hero-rings .r2 { inset: 12%; border-color: rgba(184, 149, 90, 0.16); }
.hero-rings .r3 { inset: 26%; border-color: rgba(163, 59, 45, 0.18); }
.hero-rings .r4 {
  inset: 40%;
  border-color: rgba(232, 223, 208, 0.1);
  box-shadow: 0 0 40px rgba(184, 149, 90, 0.06) inset;
}
@media (prefers-reduced-motion: reduce) {
  .hero-glow, .hero-rings .ring { will-change: auto; }
}
.brand {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 6rem);
  letter-spacing: 0.18em; line-height: 1.05; margin: 0 0 1rem; font-weight: 400;
}
.brand span {
  display: block; font-size: 0.28em; letter-spacing: 0.45em;
  color: var(--gold); margin-top: 0.85rem;
}
.hero-lead { max-width: 28rem; color: var(--paper-dim); margin: 0 0 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; align-items: center; }

.btn {
  appearance: none; border: 1px solid var(--line); background: transparent;
  padding: 0.8rem 1.3rem; letter-spacing: 0.12em; cursor: pointer;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}
.btn:hover { border-color: var(--gold); transform: translateY(-1px); }
.btn-primary { background: var(--cinnabar); border-color: var(--cinnabar); }
.btn-primary:hover { background: var(--cinnabar-deep); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn-ghost { border-color: transparent; color: var(--paper-dim); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 1rem; align-items: center; }

section.panel { padding: 4rem 0 2rem; border-top: 1px solid var(--line); }
.section-head { margin-bottom: 1.6rem; }
.section-head h2 {
  font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 400; letter-spacing: 0.14em; margin: 0 0 0.45rem;
}
.section-head p { margin: 0; color: var(--paper-dim); max-width: 36rem; }
.step-num {
  font-family: var(--font-mono); font-size: 0.75rem;
  letter-spacing: 0.2em; color: var(--celadon); margin-bottom: 0.35rem;
}

textarea#question {
  width: 100%; min-height: 14rem; resize: vertical;
  background: rgba(232, 223, 208, 0.04); border: 1px solid var(--line);
  padding: 1.15rem 1.2rem; outline: none; margin-bottom: 0.45rem;
  line-height: 1.75;
}
textarea#question:focus { border-color: var(--gold); }
.ask-meta {
  display: flex; justify-content: flex-end; margin-bottom: 1.1rem;
  font-size: 0.78rem; color: var(--paper-dim); letter-spacing: 0.04em;
}
.ask-meta.warn { color: var(--gold); }
.topic-hint { margin: 0 0 0.55rem; font-size: 0.82rem; color: var(--paper-dim); }
.method-switch { display: block; margin: 0.9rem auto 0; }
.result-figure {
  margin-bottom: 1.2rem; padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--line);
  background: rgba(232, 223, 208, 0.04);
}
.rf-head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.45rem 1rem;
  margin-bottom: 0.85rem;
}
.rf-head h3 {
  font-family: var(--font-display); font-weight: 400; letter-spacing: 0.16em;
  font-size: 1.35rem; margin: 0;
}
.rf-head span { color: var(--cinnabar); letter-spacing: 0.08em; font-size: 0.88rem; }
.yao-stack.compact { width: min(20rem, 100%); gap: 0.48rem; }
.yao-stack.compact .yao { grid-template-columns: 2.4rem 1fr 2rem; }

.topics { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  border: 1px solid var(--line); background: transparent;
  padding: 0.35rem 0.8rem; cursor: pointer; color: var(--paper-dim);
}
.chip[aria-pressed="true"], .chip:hover {
  color: var(--paper); border-color: var(--celadon);
  background: rgba(109, 139, 122, 0.12);
}

.methods {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem;
}
@media (max-width: 720px) { .methods { grid-template-columns: 1fr; } }
.method {
  text-align: left; border: 1px solid var(--line);
  background: rgba(232, 223, 208, 0.03); padding: 1rem; cursor: pointer;
}
.method[aria-pressed="true"] {
  border-color: var(--cinnabar); background: rgba(163, 59, 45, 0.12);
}
.method strong {
  display: block; font-family: var(--font-display);
  font-size: 1.2rem; letter-spacing: 0.12em; font-weight: 400; margin-bottom: 0.3rem;
}
.method small { color: var(--paper-dim); line-height: 1.5; }
.method.side { flex: 1; }

.side-fold { margin: 1rem 0; color: var(--paper-dim); }
.side-fold summary { cursor: pointer; letter-spacing: 0.06em; color: var(--gold); }
.side-methods { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 0.8rem; }

/* 止息环 */
.ritual {
  margin-top: 2rem; display: grid; justify-items: center; gap: 1rem;
  min-height: 16rem;
}
.breath-ring {
  position: relative; width: 9.5rem; height: 9.5rem;
  border: none; background: transparent; cursor: pointer;
  touch-action: none; user-select: none;
}
.ring-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--line); stroke-width: 3; }
.ring-progress {
  fill: none; stroke: var(--celadon); stroke-width: 3;
  stroke-dasharray: 327; stroke-dashoffset: 327;
  transition: stroke-dashoffset 0.05s linear;
}
.breath-ring.holding .ring-progress { stroke: var(--gold); }
.breath-label {
  position: absolute; inset: 0; display: grid; place-content: center;
  text-align: center; font-size: 0.9rem; letter-spacing: 0.12em; line-height: 1.45;
  transform: none;
}
.breath-hint { color: var(--paper-dim); font-size: 0.88rem; text-align: center; max-width: 22rem; margin: 0; }

.sticks { width: min(20rem, 100%); height: 5rem; position: relative; }
.stick-bundle { display: flex; justify-content: center; gap: 0; align-items: flex-end; height: 100%; position: relative; }
.stick-bundle .taiiji {
  position: absolute; top: -1.2rem; font-size: 0.7rem; letter-spacing: 0.2em; color: var(--gold);
}
.bundle {
  display: flex; gap: 2px; transition: transform 0.7s var(--ease);
  height: 4.2rem; align-items: flex-end;
}
.bundle span {
  display: block; width: 3px; height: 100%;
  background: linear-gradient(180deg, #c4a574, #8a6a3e);
  border-radius: 1px;
}
.stick-bundle.split .bundle.left { transform: translateX(-2.2rem) rotate(-8deg); }
.stick-bundle.split .bundle.right { transform: translateX(2.2rem) rotate(8deg); }

.tubes { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.tube {
  width: 7.5rem; height: 10rem; border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(232,223,208,0.08), rgba(232,223,208,0.02));
  cursor: pointer; letter-spacing: 0.12em;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.5rem;
}
.tube span { font-size: 0.75rem; color: var(--paper-dim); }
.tube:disabled { opacity: 0.35; cursor: not-allowed; }
.slip {
  border: 1px solid var(--gold); padding: 1rem 1.4rem;
  font-family: var(--font-display); letter-spacing: 0.2em; font-size: 1.3rem;
}

.ritual-bar {
  margin-top: 1.2rem; display: flex; flex-wrap: wrap; gap: 1rem;
  align-items: center; justify-content: space-between;
}
.breath { color: var(--celadon); letter-spacing: 0.06em; min-height: 1.4em; }

.manual-box { display: none; margin-top: 1rem; padding-top: 1rem; border-top: 1px dashed var(--line); }
.manual-box.show { display: block; }
.manual-yaos { display: grid; gap: 0.45rem; margin: 0.7rem 0; }
.manual-yaos label {
  display: grid; grid-template-columns: 2.5rem 1fr auto; gap: 0.5rem; align-items: center; font-size: 0.92rem;
}

.stage {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem;
  margin-top: 1.8rem; align-items: start;
}
@media (max-width: 820px) { .stage { grid-template-columns: 1fr; } }

.hex-board {
  padding: 1.35rem 1.25rem 1.5rem;
  background: linear-gradient(160deg, rgba(232, 223, 208, 0.08), rgba(232, 223, 208, 0.02));
  border: 1px solid var(--line);
}
.hex-legend {
  display: flex; flex-wrap: wrap; gap: 0.55rem 1.1rem;
  font-size: 0.78rem; color: var(--paper-dim); letter-spacing: 0.04em;
  margin-bottom: 1rem; padding-bottom: 0.85rem; border-bottom: 1px dashed var(--line);
}
.hex-legend span { display: inline-flex; align-items: center; gap: 0.4rem; }
.hex-legend i { display: inline-block; height: 0.35rem; border-radius: 1px; }
.hex-legend .lg-yang { width: 1.5rem; background: var(--paper); }
.hex-legend .lg-yin {
  width: 1.5rem;
  background: linear-gradient(90deg, var(--paper) 40%, transparent 40%, transparent 60%, var(--paper) 60%);
}
.hex-legend .lg-move { width: 1.5rem; background: var(--cinnabar); }

.hex-title {
  font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.1rem);
  letter-spacing: 0.2em; margin: 0 0 0.85rem; font-weight: 400;
}
.hex-formula {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 0.6rem; align-items: stretch;
  margin-bottom: 1.15rem;
}
@media (max-width: 520px) {
  .hex-formula { grid-template-columns: 1fr; }
  .hf-plus { display: none; }
}
.hf {
  border: 1px solid var(--line); padding: 0.65rem 0.8rem;
  background: rgba(0, 0, 0, 0.18);
}
.hf em {
  display: block; font-style: normal; font-size: 0.72rem;
  letter-spacing: 0.14em; color: var(--celadon); margin-bottom: 0.2rem;
}
.hf strong {
  display: block; font-family: var(--font-display); font-weight: 400;
  font-size: 1.15rem; letter-spacing: 0.12em;
}
.hf small { color: var(--paper-dim); font-size: 0.78rem; }
.hf-plus {
  align-self: center; color: var(--gold); font-size: 0.8rem; letter-spacing: 0.2em;
}

.hex-diagram { margin: 0.2rem 0 1rem; }
.trigram-block {
  display: grid; grid-template-columns: 3.4rem 1fr; gap: 0.7rem; align-items: stretch;
}
.trigram-side {
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 0.25rem; border-right: 2px solid rgba(109, 139, 122, 0.45);
  padding-right: 0.45rem; text-align: center;
}
.trigram-block.upper .trigram-side { border-color: rgba(184, 149, 90, 0.55); }
.ts-label {
  font-size: 0.7rem; letter-spacing: 0.18em; color: var(--celadon);
}
.trigram-block.upper .ts-label { color: var(--gold); }
.ts-name {
  font-family: var(--font-display); font-size: 1.05rem; letter-spacing: 0.06em; line-height: 1.2;
}
.hex-split {
  display: flex; align-items: center; gap: 0.7rem;
  margin: 0.55rem 0 0.55rem 3.4rem; color: var(--paper-dim); font-size: 0.7rem; letter-spacing: 0.16em;
}
.hex-split::before, .hex-split::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}

.yao-stack { display: flex; flex-direction: column; gap: 0.62rem; width: min(22rem, 100%); }
.yao {
  display: grid; grid-template-columns: 2.8rem 1fr 2.2rem; gap: 0.65rem; align-items: center;
}
.yao-pos {
  font-family: var(--font-display); font-size: 0.95rem; letter-spacing: 0.04em;
  color: var(--paper-dim);
}
.yao.moving .yao-pos { color: var(--cinnabar); }
.yao-line {
  height: 0.62rem; display: flex; align-items: stretch; gap: 0;
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.35));
}
.yao-line .bar {
  flex: 1; background: var(--paper); border-radius: 1px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.yao-line.yin { gap: 0; }
.yao-line.yin .gap {
  width: 18%; flex: 0 0 18%; background: transparent;
}
.yao.moving .bar { background: var(--cinnabar); }
.yao.moving {
  padding: 0.2rem 0.35rem; margin: -0.2rem -0.35rem;
  background: rgba(163, 59, 45, 0.12); outline: 1px solid rgba(163, 59, 45, 0.35);
}
.yao-tag {
  font-size: 0.78rem; letter-spacing: 0.1em; color: var(--paper-dim); text-align: right;
}
.yao.moving .yao-tag {
  color: var(--cinnabar); font-weight: 600;
}

.hex-focus {
  display: grid; gap: 0.2rem;
  margin: 0.2rem 0 0.9rem; padding: 0.85rem 1rem;
  border-left: 3px solid var(--cinnabar);
  background: rgba(163, 59, 45, 0.1);
}
.hex-focus.quiet {
  border-left-color: var(--celadon);
  background: rgba(109, 139, 122, 0.1);
}
.hex-focus-k {
  font-size: 0.72rem; letter-spacing: 0.16em; color: var(--cinnabar);
}
.hex-focus.quiet .hex-focus-k { color: var(--celadon); }
.hex-focus strong {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.2rem; letter-spacing: 0.12em;
}
.hex-focus span:last-child { color: var(--paper-dim); font-size: 0.88rem; }

.hex-one {
  color: var(--paper-dim); font-size: 0.88rem; line-height: 1.65;
  margin: 0 0 0.7rem; max-width: 38em;
}
.hex-foot { font-size: 0.84rem; color: var(--paper-dim); }
.hex-foot .tip { color: var(--gold); }

.cast-log { font-size: 0.9rem; color: var(--paper-dim); border-left: 1px solid var(--line); padding-left: 1.1rem; }
.cast-log h3 {
  font-family: var(--font-display); font-weight: 400; letter-spacing: 0.12em;
  margin: 0 0 0.7rem; color: var(--paper);
}
.cast-log ol { margin: 0; padding-left: 1.1rem; }
.cast-log li { margin-bottom: 0.4rem; }

.meta-row { display: flex; flex-wrap: wrap; gap: 0.7rem 1.4rem; margin-bottom: 1rem; color: var(--paper-dim); font-size: 0.9rem; }
.meta-row strong { color: var(--gold); font-weight: 500; }

.result-block {
  border-top: 1px solid var(--line); padding: 1.4rem 0 0.6rem; margin-top: 0.6rem;
}
.result-block h3 {
  font-family: var(--font-display); font-weight: 400; letter-spacing: 0.14em;
  font-size: 1.2rem; margin: 0 0 0.7rem;
}
details.result-block > summary {
  cursor: pointer; list-style: none; margin-bottom: 0.7rem;
}
details.result-block > summary::-webkit-details-marker { display: none; }
details.result-block > summary h3 { margin: 0; display: inline; }
.interpret-box {
  white-space: pre-wrap; background: rgba(232, 223, 208, 0.04);
  border: 1px solid var(--line); padding: 1.2rem 1.3rem; min-height: 8rem;
}
.interpret-box.pending {
  color: var(--paper-dim);
  display: flex; align-items: center; justify-content: center;
  min-height: 14rem;
}
.interpret-box.reveal {
  animation: interpret-in 0.55s var(--ease);
}
@keyframes interpret-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.interpret-wait {
  display: flex; flex-direction: column; align-items: center; gap: 0.85rem;
  text-align: center; padding: 0.6rem 0;
}
.interpret-wait .wait-label {
  margin: 0; letter-spacing: 0.18em; color: var(--gold);
  font-family: var(--font-display); font-size: 1.05rem;
}
.interpret-wait .wait-sub {
  margin: 0; font-size: 0.88rem; color: var(--paper-dim); letter-spacing: 0.06em;
}

.hourglass {
  width: 52px; height: 78px; position: relative;
  animation: hg-flip 2s var(--ease) infinite;
  filter: drop-shadow(0 0 10px rgba(184, 149, 90, 0.25));
}
.hourglass .bowl {
  position: absolute; left: 50%; width: 0; height: 0;
  border-left: 20px solid transparent; border-right: 20px solid transparent;
  transform: translateX(-50%);
}
.hourglass .bowl.top {
  top: 6px; border-top: 30px solid rgba(184, 149, 90, 0.85);
}
.hourglass .bowl.bot {
  bottom: 6px; border-bottom: 30px solid rgba(163, 59, 45, 0.75);
}
.hourglass .rim {
  position: absolute; left: 6px; right: 6px; height: 3px;
  background: var(--paper); border-radius: 1px;
}
.hourglass .rim.t { top: 4px; }
.hourglass .rim.b { bottom: 4px; }
.hourglass .sand {
  position: absolute; left: 50%; width: 2px; height: 22px;
  top: 28px; transform: translateX(-50%);
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: hg-sand 2s linear infinite;
  opacity: 0.85;
}
@keyframes hg-flip {
  0%, 42% { transform: rotate(0deg); }
  58%, 100% { transform: rotate(180deg); }
}
@keyframes hg-sand {
  0%, 42% { opacity: 0.9; height: 22px; }
  50%, 100% { opacity: 0; height: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .hourglass, .hourglass .sand, .interpret-box.reveal { animation: none; }
}
.source-pill {
  display: inline-block; margin-top: 0.7rem;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; color: var(--celadon);
}
.quota-line {
  font-size: 0.85rem; letter-spacing: 0.04em; margin: 0.4rem 0 0.8rem;
  color: var(--gold);
}
.human-dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  background: rgba(12, 11, 10, 0.96);
  border-top: 1px solid var(--line);
  padding: 0.85rem 0 1rem;
  backdrop-filter: blur(10px);
}
.human-dock[hidden], .pay-mask[hidden] { display: none !important; }
.human-dock-inner p {
  margin: 0 0 0.65rem; font-size: 0.88rem; color: var(--gold); letter-spacing: 0.06em;
}
#turnstileBox { min-height: 65px; }
.site-disclaimer {
  margin-top: 1.6rem; font-size: 0.78rem; line-height: 1.55;
  color: var(--paper-dim); max-width: 36em; letter-spacing: 0.02em;
}
.site-foot {
  border-top: 1px solid var(--line); margin-top: 2rem; padding: 1rem 0 1.6rem;
}
.site-foot p {
  margin: 0; font-size: 0.75rem; color: var(--paper-dim); letter-spacing: 0.04em; line-height: 1.5;
}
.timing { margin-top: 0.6rem; color: var(--paper-dim); font-size: 0.92rem; }
.example-card, .wiki-card {
  border-bottom: 1px solid var(--line); padding: 0.7rem 0; color: var(--paper-dim); font-size: 0.95rem;
}
.wiki-card strong { color: var(--paper); font-weight: 500; display: block; margin-bottom: 0.25rem; letter-spacing: 0.06em; }

.daily {
  border: 1px solid var(--line); padding: 1.2rem 1.3rem; margin-bottom: 1.5rem;
  background: rgba(232, 223, 208, 0.03);
}
.daily-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.daily-head h3 { font-family: var(--font-display); font-weight: 400; letter-spacing: 0.14em; margin: 0; }
.progress { font-family: var(--font-mono); font-size: 0.75rem; color: var(--celadon); letter-spacing: 0.08em; }

.learn-block { margin-top: 0.5rem; }
.learn-h {
  font-family: var(--font-display); font-weight: 400; letter-spacing: 0.14em;
  font-size: 1.15rem; margin: 0 0 0.35rem;
}
.learn-hint { margin: 0 0 0.9rem; font-size: 0.9rem; }
.learn-search {
  margin-top: 1.6rem; border-top: 1px dashed var(--line); padding-top: 1rem;
}
.learn-search summary {
  cursor: pointer; color: var(--paper-dim); letter-spacing: 0.08em; margin-bottom: 0.8rem;
}

.teach-figure {
  margin: 0 0 1.15rem; padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line);
  background: rgba(232, 223, 208, 0.04);
}
.teach-figure-head {
  font-family: var(--font-display); letter-spacing: 0.14em;
  font-size: 1.05rem; margin-bottom: 0.65rem;
}
.teach-figure .hex-legend { margin-bottom: 0.85rem; padding-bottom: 0.65rem; }
.teach-figure .ts-hint {
  display: block; font-size: 0.68rem; color: var(--paper-dim); letter-spacing: 0.04em; margin-top: 0.15rem;
}
.teach-figure .yao-stack { width: min(20rem, 100%); }

.teach-hero h3 {
  font-family: var(--font-display); font-weight: 400; letter-spacing: 0.16em;
  font-size: 1.55rem; margin: 0 0 0.35rem;
}
.teach-gist {
  color: var(--gold); font-size: 1.05rem; letter-spacing: 0.06em; margin: 0 0 0.35rem;
}
.teach-note { margin: 0 0 0.9rem; font-size: 0.88rem; }
.teach-cards { display: grid; gap: 0.65rem; margin-bottom: 1rem; }
.teach-card {
  border: 1px solid var(--line); padding: 0.75rem 0.9rem;
  background: rgba(0, 0, 0, 0.18);
}
.teach-card em {
  display: block; font-style: normal; font-size: 0.72rem;
  letter-spacing: 0.16em; color: var(--celadon); margin-bottom: 0.3rem;
}
.teach-card p { margin: 0; line-height: 1.65; font-size: 0.95rem; }
.teach-yaos { margin-bottom: 1rem; }
.teach-yaos strong {
  display: block; font-weight: 500; letter-spacing: 0.1em; margin-bottom: 0.4rem; color: var(--paper);
}
.teach-yaos ul { margin: 0; padding-left: 1.1rem; color: var(--paper-dim); font-size: 0.9rem; }
.teach-yaos li { margin-bottom: 0.35rem; }
.teach-lesson {
  margin: 0 0 1rem; padding: 0.9rem 1rem;
  border-left: 3px solid var(--celadon); background: rgba(109, 139, 122, 0.1);
}
.teach-lesson.pending { color: var(--paper-dim); border-left-color: var(--gold); }
.teach-lesson strong {
  display: block; letter-spacing: 0.12em; margin-bottom: 0.45rem; font-weight: 500;
}
.teach-lesson pre {
  margin: 0; white-space: pre-wrap; font-family: inherit; font-size: 0.95rem; line-height: 1.7;
}
.orig-fold {
  border-top: 1px dashed var(--line); padding-top: 0.7rem; margin-top: 0.3rem;
}
.orig-fold summary {
  cursor: pointer; color: var(--gold); letter-spacing: 0.1em; margin-bottom: 0.6rem;
}
.orig-text {
  white-space: pre-wrap; color: var(--paper-dim); font-size: 0.88rem; line-height: 1.65;
}

.gua-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(9.2rem, 1fr)); gap: 0.5rem;
}
.gua-cell {
  border: 1px solid var(--line); background: transparent; padding: 0.55rem 0.45rem 0.65rem;
  cursor: pointer; text-align: left; font-size: 0.85rem; letter-spacing: 0.04em;
  min-height: 4.6rem;
}
.gua-cell:hover, .gua-cell.active { border-color: var(--cinnabar); }
.gua-cell.read { opacity: 0.75; }
.gua-cell .n { display: block; font-family: var(--font-mono); font-size: 0.65rem; color: var(--gold); }
.gua-cell .g {
  display: block; font-family: var(--font-display); letter-spacing: 0.12em;
  margin: 0.15rem 0 0.25rem; font-size: 1rem;
}
.gua-cell .gist {
  display: block; color: var(--paper-dim); font-size: 0.72rem; line-height: 1.4;
  letter-spacing: 0.02em;
}
.gua-detail {
  margin-top: 1rem; padding: 1.2rem; border: 1px solid var(--line);
  background: rgba(232, 223, 208, 0.03);
}

.search-row { display: flex; gap: 0.6rem; }
.search-row input {
  flex: 1; background: rgba(232, 223, 208, 0.04); border: 1px solid var(--line);
  padding: 0.7rem 1rem; outline: none;
}
.search-row input:focus { border-color: var(--gold); }
.hits { margin-top: 1rem; display: grid; gap: 0.9rem; }
.hit { border-bottom: 1px solid var(--line); padding-bottom: 0.7rem; }
.hit h4 { margin: 0 0 0.3rem; font-family: var(--font-display); font-weight: 400; letter-spacing: 0.1em; }
.hit .score { font-family: var(--font-mono); font-size: 0.7rem; color: var(--celadon); }
.hit p { margin: 0.2rem 0; color: var(--paper-dim); font-size: 0.9rem; }

.journal-list { margin-top: 1.2rem; display: grid; gap: 0.9rem; }
.journal-item {
  border: 1px solid var(--line); padding: 1rem 1.1rem;
  background: rgba(232, 223, 208, 0.03);
}
.journal-item header {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; justify-content: space-between;
  margin-bottom: 0.5rem; font-size: 0.88rem; color: var(--paper-dim);
}
.journal-item .q { color: var(--paper); margin-bottom: 0.4rem; }
.journal-item textarea {
  width: 100%; min-height: 3.2rem; background: transparent;
  border: 1px solid var(--line); padding: 0.5rem; margin-top: 0.5rem;
}
.badge {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  border: 1px solid var(--line); padding: 0.15rem 0.45rem;
}
.badge.ok { border-color: var(--celadon); color: var(--celadon); }
.badge.no { border-color: var(--cinnabar); color: var(--cinnabar); }

footer {
  padding: 3rem 0 2.5rem; color: var(--paper-dim); font-size: 0.85rem;
  border-top: 1px solid var(--line); letter-spacing: 0.04em;
}

.quota-banner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.6rem; margin-bottom: 1rem; padding: 0.7rem 0.9rem;
  border: 1px solid var(--line); background: rgba(184, 149, 90, 0.08);
  font-size: 0.88rem; color: var(--paper-dim);
}
.quota-banner.slim { margin-top: 0.8rem; }
.quota-banner.warn { border-color: var(--cinnabar); background: rgba(163, 59, 45, 0.12); color: var(--paper); }
.quota-banner.ok { border-color: var(--celadon); background: rgba(109, 139, 122, 0.12); }

.pay-mask {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(8, 7, 6, 0.72); backdrop-filter: blur(8px);
  display: grid; place-items: end center;
  padding: 1rem;
}
.pay-sheet {
  width: min(34rem, 100%);
  background: #161310; border: 1px solid var(--line);
  padding: 1.3rem 1.25rem 1.4rem; position: relative;
  max-height: min(92vh, 44rem); overflow: auto;
}
.pay-close {
  position: absolute; top: 0.35rem; right: 0.4rem;
  border: 0; background: none; color: var(--paper);
  font-size: 1.8rem; line-height: 1; cursor: pointer;
  width: 2.4rem; height: 2.4rem;
}
.pay-sheet h2 {
  font-family: var(--font-display); font-weight: 400; letter-spacing: 0.12em;
  margin: 0 0 0.4rem; font-size: 1.5rem;
}
.pay-reason { color: var(--paper-dim); margin: 0 0 1rem; }
.pay-locale { display: flex; gap: 0.5rem; margin-bottom: 0.8rem; }
.pay-plans { display: grid; gap: 0.7rem; }
.pay-card {
  text-align: left; border: 1px solid var(--line);
  background: rgba(232, 223, 208, 0.04); padding: 0.95rem 1rem; cursor: pointer;
}
.pay-card strong { display: block; font-family: var(--font-display); font-weight: 400; letter-spacing: 0.1em; font-size: 1.2rem; }
.pay-card em { color: var(--gold); font-style: normal; }
.pay-card small { display: block; color: var(--paper-dim); margin-top: 0.25rem; }
.pay-card:hover, .pay-card:focus { border-color: var(--gold); }
.pay-note, .pay-redeem, .pay-uid { margin-top: 1rem; }
.pay-redeem label, .pay-uid label { display: block; font-size: 0.82rem; color: var(--paper-dim); margin-bottom: 0.35rem; }
.pay-row { display: flex; gap: 0.5rem; margin-bottom: 0.45rem; }
.pay-row input {
  flex: 1; background: rgba(232, 223, 208, 0.04); border: 1px solid var(--line);
  padding: 0.55rem 0.7rem; outline: none;
}
#btnPayLater, #payClose2 { flex: 1; margin-top: 0.9rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important; transition: none !important;
  }
}