:root {
  --bg: #020612;
  --bg-soft: #071a33;
  --ink: #ecf8ff;
  --ink-dim: #9fc1df;
  --card: rgba(8, 21, 45, 0.72);
  --line: #6ee7ff;
  --line-soft: rgba(110, 231, 255, 0.34);
  --accent: #66d9ff;
  --accent-2: #ffb36b;
  --danger: #7dd3fc;
  --font-body: "Noto Sans SC", "PingFang SC", sans-serif;
  --font-ui: "Noto Sans SC", "PingFang SC", sans-serif;
  --font-mono: "Share Tech Mono", monospace;
  --fs-body: 15px;
  --fs-body-sm: 13px;
  --fs-label: 12px;
  --fs-h2: clamp(28px, 4vw, 38px);
  --fs-h3: 21px;
  --fs-question: clamp(25px, 3.6vw, 34px);
  --lh-body: 1.72;
  --lh-reading: 1.86;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  height: 100%;
  background: #020612;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 68% 20%, rgba(93, 205, 255, 0.34), transparent 33%),
    radial-gradient(circle at 40% 42%, rgba(255, 169, 98, 0.2), transparent 36%),
    radial-gradient(circle at 85% 5%, #103966, var(--bg-soft) 40%, var(--bg));
  min-height: 100dvh;
  overflow-x: hidden;
  line-height: 1.6;
  letter-spacing: 0.1px;
  background-color: #020612;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.82;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(rgba(126, 222, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 222, 255, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 100%);
  opacity: 0.16;
}

.app {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: max(20px, env(safe-area-inset-top)) 16px calc(18px + env(safe-area-inset-bottom));
}

button,
.btn,
.option-btn,
.btn-iconback,
.icon-copy {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, p {
  margin: 0;
}

h1 {
  font-family: "Noto Serif SC", "Noto Sans SC", serif;
  letter-spacing: 0.2px;
  font-size: clamp(34px, 7.2vw, 58px);
  line-height: 1.02;
  text-shadow: 0 0 20px rgba(121, 227, 255, 0.26), 0 0 10px rgba(255, 175, 109, 0.18);
}

.h1-en {
  display: block;
  font-family: "Teko", sans-serif;
  letter-spacing: 1.1px;
  font-size: 1.02em;
  line-height: 0.9;
}

.h1-cn {
  display: block;
  margin-top: 2px;
  font-size: 0.85em;
  font-weight: 700;
  line-height: 1.12;
}

h2 {
  font-family: var(--font-ui);
  letter-spacing: 0.2px;
  font-size: var(--fs-h2);
  line-height: 1.18;
  font-weight: 700;
}

h3 {
  color: #abecff;
  font-weight: 700;
  font-family: var(--font-ui);
  font-size: var(--fs-h3);
  line-height: 1.3;
}

ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.kicker {
  font-family: var(--font-mono);
  color: var(--line);
  margin-bottom: 8px;
  letter-spacing: 1.1px;
  font-size: 13px;
}

.screen {
  display: none;
  animation: rise 420ms ease both;
}

.screen.active {
  display: block;
}

.sub {
  margin-top: 10px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: #bde5ff;
  max-width: 660px;
  max-width: 48ch;
}

.sub2 {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #9ec3dc;
  letter-spacing: 0.08px;
}

.intro-note-top,
.intro-note-bottom {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.9px;
  color: rgba(150, 205, 237, 0.72);
}

.intro-note-top {
  margin: 4px 0 8px;
}

.intro-note-bottom {
  margin-top: 14px;
  text-align: center;
  color: rgba(145, 194, 225, 0.58);
}

.intro-hero {
  border: 1px solid rgba(124, 208, 244, 0.34);
  border-radius: 16px;
  padding: 16px 16px 14px;
  background: linear-gradient(180deg, rgba(7, 23, 43, 0.58), rgba(7, 23, 43, 0.24));
  backdrop-filter: blur(2px);
}

.intro-meta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.intro-meta span {
  font-size: var(--fs-label);
  color: #cde9ff;
  border: 1px solid rgba(128, 204, 236, 0.34);
  border-radius: 999px;
  padding: 4px 10px;
  background: rgba(10, 30, 55, 0.48);
}

.tips {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: rgba(8, 24, 47, 0.55);
  box-shadow: inset 0 0 0 1px rgba(106, 236, 255, 0.1);
}

.tips p {
  color: #c5f4ff;
  font-weight: 600;
  font-size: var(--fs-body-sm);
}

.intro-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  margin-top: 20px;
  border: 1px solid rgba(125, 211, 252, 0.55);
  border-radius: 12px;
  padding: 12px 18px;
  background: linear-gradient(120deg, #0d3558, #114872 46%, #7f4b2d);
  color: #fff;
  font-size: var(--fs-body);
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.2;
  min-height: 44px;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(89, 199, 255, 0.32), 0 0 18px rgba(255, 171, 99, 0.2);
  border-color: rgba(165, 239, 255, 0.8);
}

.btn.secondary {
  background: linear-gradient(120deg, #143056, #1d3d66);
}

.topbar {
  margin-bottom: 14px;
}

.quiz-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.quiz-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quiz-top .btn {
  margin-top: 0;
  padding: 9px 14px;
  font-size: 13px;
}

#progress-text {
  font-size: var(--fs-label);
  color: var(--ink-dim);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.progress {
  height: 10px;
  width: 100%;
  background: rgba(10, 25, 46, 0.72);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 999px;
  overflow: hidden;
}

#progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #6ee7ff, #ffb36b);
  transition: width 220ms ease;
}

.card {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  padding: 16px;
  margin-top: 14px;
  backdrop-filter: blur(5px);
  box-shadow:
    inset 0 0 0 1px rgba(185, 243, 255, 0.08),
    0 20px 40px rgba(2, 8, 23, 0.35);
}

#question-text {
  font-size: var(--fs-question);
  line-height: 1.42;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: #e8fbff;
}

.question-meta {
  margin: 8px 0 0;
  min-height: 20px;
  color: #8fb7cf;
  font-size: var(--fs-label);
  letter-spacing: 0.2px;
}

.options {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.quiz-actions {
  margin-top: 14px;
  display: flex;
  justify-content: flex-end;
}

.option-btn {
  width: 100%;
  text-align: left;
  border: 1px solid rgba(125, 211, 252, 0.34);
  border-radius: 10px;
  background: linear-gradient(130deg, rgba(8, 26, 51, 0.92), rgba(10, 33, 64, 0.86));
  color: #ddf6ff;
  padding: 12px;
  cursor: pointer;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  min-height: 50px;
  transition: border-color 170ms ease, transform 170ms ease, box-shadow 170ms ease;
}

.option-btn:focus {
  outline: none;
}

@media (hover: hover) and (pointer: fine) {
  .option-btn:hover {
    border-color: rgba(165, 239, 255, 0.85);
    transform: translateX(2px);
    box-shadow: 0 8px 22px rgba(14, 165, 233, 0.2);
  }
}

.option-btn.selected {
  border-color: rgba(255, 191, 127, 0.92);
  box-shadow: 0 0 0 1px rgba(255, 191, 127, 0.45) inset;
}

.option-btn.tap-flash {
  border-color: rgba(128, 230, 255, 0.95);
  box-shadow:
    0 0 0 1px rgba(128, 230, 255, 0.55) inset,
    0 0 20px rgba(88, 217, 255, 0.4),
    0 8px 18px rgba(34, 197, 255, 0.24);
  transform: translateY(-1px);
}

.badge {
  display: inline-block;
  background: linear-gradient(90deg, #74e8ff, #ffc17f);
  color: #082032;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.7px;
}

.result-head {
  margin-top: 6px;
}

#screen-result .result-head h2 {
  margin-top: 12px;
}

.tagline {
  margin-top: 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: #d5f5ff;
}

.result-image {
  width: 100%;
  max-width: 260px;
  border-radius: 12px;
  border: 1px solid rgba(255, 191, 127, 0.35);
  display: block;
  margin-top: 0;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
  background: linear-gradient(180deg, rgba(9, 27, 49, 0.9), rgba(6, 19, 34, 0.95));
  padding: 4px;
  object-fit: contain;
}

.hero-card {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 12px;
  align-items: center;
  padding: 12px;
  background:
    linear-gradient(120deg, rgba(11, 44, 79, 0.9), rgba(11, 35, 64, 0.86) 46%, rgba(9, 27, 48, 0.92)),
    radial-gradient(circle at 18% 22%, rgba(124, 218, 255, 0.2), transparent 45%);
  border-color: rgba(120, 204, 243, 0.5);
  box-shadow:
    inset 0 0 0 1px rgba(170, 236, 255, 0.08),
    0 18px 38px rgba(3, 12, 24, 0.35);
}

.hero-copy {
  display: grid;
  gap: 8px;
}

.hero-copy h3 {
  margin: 0;
}

#result-hero-line {
  color: #d5ecf9;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.group-label {
  display: inline-block;
  margin-right: 6px;
  color: #bfd8ea;
}

.group-chip-row {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  vertical-align: middle;
}

.group-chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(125, 211, 252, 0.35);
  color: #aac6da;
  background: rgba(9, 28, 49, 0.35);
  font-size: 13px;
  line-height: 1.35;
}

.group-chip.active {
  color: #e9f8ff;
  border-color: rgba(255, 191, 127, 0.8);
  background: linear-gradient(120deg, rgba(16, 58, 94, 0.85), rgba(121, 75, 45, 0.72));
  box-shadow: 0 0 0 1px rgba(255, 191, 127, 0.35) inset;
  font-weight: 700;
}

#result-hero-sub {
  color: #9dc5dc;
  font-size: var(--fs-body-sm);
  line-height: 1.62;
}

.hero-roast {
  margin-top: 4px;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.hero-roast h4 {
  margin: 2px 0 8px;
  font-size: 17px;
  font-family: var(--font-ui);
  letter-spacing: 0.1px;
  font-weight: 700;
  color: #d4ecfb;
}

.hero-roast p {
  margin: 0;
  color: #d9effa;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.long-read {
  margin-top: 10px;
  display: grid;
  gap: 14px;
  line-height: var(--lh-reading);
  color: #cae7f7;
}

.long-read p {
  font-size: 16px;
  line-height: var(--lh-reading);
  letter-spacing: 0.12px;
}

.dims {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.dim-item {
  border: 1px dashed rgba(124, 214, 255, 0.5);
  border-radius: 10px;
  padding: 9px;
  background: rgba(7, 20, 37, 0.72);
}

.dim-item strong {
  font-size: 21px;
  line-height: 1.12;
  letter-spacing: 0.1px;
}

.dim-item p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.52;
  color: #b5d9ef;
}

.axis-head {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 10.5px;
  color: #8fb7cf;
}

.axis-bar {
  display: none;
}

.axis-track {
  position: relative;
  margin-top: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(110, 231, 255, 0.2), rgba(255, 179, 107, 0.2));
  border: 1px solid rgba(130, 201, 237, 0.28);
}

.axis-dot {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, #ffe4c3 45%, #ffb36b 100%);
  border: 1px solid rgba(255, 191, 127, 0.9);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px rgba(255, 179, 107, 0.35);
}

.axis-summary {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.45;
  color: #a9cbe0;
}

.share-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.icon-copy {
  border: 1px solid rgba(125, 211, 252, 0.5);
  border-radius: 9px;
  width: 34px;
  height: 34px;
  min-width: 34px;
  background: rgba(11, 35, 61, 0.82);
  color: #dff2ff;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
}

.copy-toast {
  position: fixed;
  top: 22px;
  left: 50%;
  transform: translate(-50%, -8px);
  z-index: 90;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(125, 211, 252, 0.48);
  background: rgba(7, 23, 42, 0.92);
  color: #e7f6ff;
  font-size: 13px;
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
}

.copy-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

textarea {
  width: 100%;
  min-height: 120px;
  border-radius: 10px;
  border: 1px solid rgba(125, 211, 252, 0.4);
  color: #d8f7ff;
  background: rgba(8, 27, 48, 0.88);
  padding: 10px;
  font-size: var(--fs-body-sm);
  line-height: 1.7;
  margin-top: 10px;
  font-family: var(--font-mono);
}

.actions {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.actions .btn {
  margin-top: 0;
}

.types-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(176px, 1fr));
}

.types-topbar {
  margin-top: 4px;
  margin-bottom: 10px;
}

.btn-iconback {
  border: 0;
  border-radius: 0;
  min-height: 34px;
  padding: 0;
  background: transparent;
  color: #dff2ff;
  font-size: 20px;
  line-height: 1.1;
  font-weight: 700;
  cursor: pointer;
}

#screen-types .result-head .badge {
  margin-bottom: 10px;
}

#screen-types .result-head h2 {
  margin-top: 6px;
}

#screen-types .result-head .tagline {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.48;
  color: #b8d9ee;
  font-weight: 600;
}

.type-card {
  border: 1px solid rgba(125, 211, 252, 0.33);
  border-radius: 14px;
  padding: 8px;
  background: linear-gradient(180deg, rgba(9, 27, 49, 0.95), rgba(7, 20, 37, 0.95));
  display: grid;
  gap: 6px;
  cursor: pointer;
  transition: transform 170ms ease, border-color 170ms ease, box-shadow 170ms ease;
  min-height: 246px;
  align-content: start;
}

.type-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 191, 127, 0.72);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.type-card-top {
  display: block;
}

.type-card .mini {
  font-size: var(--fs-label);
  color: #9cc7de;
  text-align: center;
}

.type-card h4 {
  margin: 0;
  font-size: 18px;
  font-family: var(--font-ui);
  letter-spacing: 0.1px;
  line-height: 1.3;
  font-weight: 700;
  text-align: center;
}

.type-card p {
  margin: 0;
  color: #c8e6f6;
  line-height: 1.55;
  font-size: var(--fs-body-sm);
}

.type-avatar {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  border: 1px solid rgba(125, 211, 252, 0.35);
  background: #ffffff;
  object-fit: cover;
  object-position: center;
  display: block;
  padding: 0;
  margin: 4px 0;
  mix-blend-mode: normal;
}

.detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(3, 10, 20, 0.7);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}

.detail-modal {
  width: min(920px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: rgba(6, 18, 34, 0.95);
  border: 1px solid rgba(126, 210, 244, 0.4);
  border-radius: 14px;
  padding: 14px;
}

.detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.detail-head > div {
  min-width: 0;
}

.detail-head h3 {
  margin-top: 2px;
  line-height: 1.22;
}

.detail-close {
  margin-top: 0;
  padding: 8px 12px;
  font-size: 13px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 12px;
}

.detail-image {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(125, 211, 252, 0.32);
}

.detail-content {
  display: grid;
  gap: 10px;
}

.detail-content p {
  margin: 0;
  color: #cbe7f6;
  font-size: var(--fs-body);
  line-height: var(--lh-reading);
}

.detail-axes {
  display: grid;
  gap: 8px;
}

.detail-axis {
  border: 1px dashed rgba(125, 211, 252, 0.35);
  border-radius: 10px;
  padding: 8px;
  font-size: var(--fs-body-sm);
  line-height: 1.55;
  color: #c5deed;
}

@media (max-width: 640px) {
  #screen-intro.screen.active {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: calc(100dvh - 40px);
    gap: 8px;
    padding-top: 28px;
    max-width: 420px;
    margin: 0 auto;
  }

  #bg-canvas {
    opacity: 0.56;
  }

  .bg-grid {
    opacity: 0.1;
  }

  #screen-intro .sub,
  #screen-intro .tips {
    max-width: 100%;
  }

  #screen-intro .tips {
    margin-top: 12px;
    padding: 2px 2px 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
  }

  #screen-intro .tips ul {
    margin-top: 4px;
    padding-left: 18px;
  }

  #screen-intro .tips li {
    font-size: 12px;
    line-height: 1.45;
  }

  #screen-intro .tips p {
    font-size: 12.5px;
    line-height: 1.35;
  }

  #screen-intro .intro-actions {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  h1 {
    line-height: 1.02;
    font-size: clamp(29px, 9.4vw, 41px);
  }

  h2 {
    font-size: clamp(23px, 7.2vw, 30px);
    line-height: 1.22;
  }

  h3 {
    font-size: 17px;
  }

  .app {
    max-width: 100%;
    min-height: 100dvh;
    padding: max(12px, env(safe-area-inset-top)) 18px calc(12px + env(safe-area-inset-bottom));
  }

  .kicker {
    font-size: 11px;
    letter-spacing: 0.8px;
  }

  .sub {
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.68;
    max-width: 100%;
  }

  .sub2 {
    margin-top: 7px;
    font-size: 12px;
    line-height: 1.52;
  }

  .intro-note-top {
    margin: 2px 0 8px;
    font-size: 10px;
  }

  .intro-note-bottom {
    margin-top: 16px;
    font-size: 10px;
    letter-spacing: 0.85px;
  }

  .intro-hero {
    padding: 12px 12px 11px;
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(7, 23, 43, 0.64), rgba(7, 23, 43, 0.3));
  }

  .h1-en {
    font-size: 0.98em;
  }

  .h1-cn {
    font-size: 0.78em;
    margin-top: 4px;
  }

  .intro-meta {
    margin-top: 8px;
    gap: 6px;
  }

  .intro-meta span {
    font-size: 11px;
    padding: 3px 9px;
  }

  .card {
    border-radius: 12px;
    padding: 13px;
    margin-top: 12px;
  }

  .quiz-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .quiz-nav {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .quiz-top .btn {
    width: 100%;
    padding: 10px 12px;
    font-size: 13px;
    min-height: 42px;
  }

  #progress-text {
    font-size: 11px;
    margin-bottom: 2px;
  }

  #question-text {
    font-size: clamp(20px, 5.8vw, 25px);
    line-height: 1.5;
  }

  .question-meta {
    margin-top: 10px;
    font-size: 11px;
    line-height: 1.5;
  }

  .options {
    gap: 9px;
    margin-top: 12px;
  }

  .option-btn {
    padding: 12px 11px;
    font-size: 15px;
    line-height: 1.62;
    border-radius: 11px;
  }

  .tagline {
    margin-top: 9px;
    font-size: 15px;
    line-height: 1.56;
  }

  .types-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .type-card {
    min-height: 220px;
    padding: 7px;
  }

  .type-card p {
    font-size: 11px;
    line-height: 1.48;
  }

  .type-card h4 {
    font-size: 16px;
  }

  .types-topbar {
    margin-bottom: 8px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .hero-card {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  #result-hero-line {
    font-size: 14px;
    line-height: 1.66;
  }

  #result-hero-sub {
    font-size: 12px;
    line-height: 1.56;
  }

  .hero-roast p {
    font-size: 14px;
    line-height: 1.65;
  }

  .result-image {
    max-width: min(72vw, 250px);
  }

  .long-read {
    gap: 13px;
  }

  .long-read p {
    font-size: 14px;
    line-height: 1.78;
    letter-spacing: 0.1px;
  }

  .dim-item p {
    font-size: 12px;
    line-height: 1.48;
  }

  .axis-head {
    font-size: 10px;
  }

  .axis-summary {
    font-size: 11px;
    line-height: 1.42;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .actions .btn {
    width: 100%;
    margin-top: 0;
  }

  #screen-intro .intro-actions .btn {
    width: fit-content;
    min-width: 218px;
    max-width: 100%;
    margin-inline: auto;
    margin-top: 0;
    padding-inline: 22px;
  }

  textarea {
    min-height: 140px;
    font-size: 16px;
    line-height: 1.65;
  }

  .detail-overlay {
    padding: 8px;
    align-items: stretch;
  }

  .detail-modal {
    max-height: 100dvh;
    border-radius: 12px;
    padding: 12px;
  }

  .detail-head {
    position: static;
    background: transparent;
    padding-bottom: 0;
    margin-bottom: 8px;
  }
}

@media (max-width: 390px) {
  .dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .dim-item {
    padding: 7px;
  }

  .dim-item strong {
    font-size: 18px;
  }

  .dim-item p {
    font-size: 11px;
    line-height: 1.4;
  }

  .types-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  #screen-intro .intro-actions {
    grid-template-columns: 1fr;
  }

  .app {
    padding-left: 14px;
    padding-right: 14px;
  }

  .card {
    padding: 11px;
  }

  #question-text {
    font-size: 21px;
  }

  .type-card h4 {
    font-size: 19px;
  }

  .kicker {
    font-size: 11px;
  }

  h1 {
    font-size: 28px;
  }

  .h1-cn {
    font-size: 0.76em;
  }

  h2 {
    font-size: 21px;
  }

  h3 {
    font-size: 16px;
  }

  .option-btn {
    font-size: 13.5px;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.bg-tune-toggle {
  position: fixed;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 60;
  border: 1px solid rgba(120, 200, 255, 0.55);
  border-radius: 10px;
  background: rgba(8, 25, 45, 0.9);
  color: #e6f4ff;
  min-height: 38px;
  padding: 0 12px;
  font-size: 13px;
  cursor: pointer;
}

.bg-tune-panel {
  position: fixed;
  right: 12px;
  bottom: calc(58px + env(safe-area-inset-bottom));
  z-index: 61;
  width: min(360px, calc(100vw - 24px));
  max-height: min(76vh, 620px);
  overflow: auto;
  border: 1px solid rgba(112, 188, 241, 0.42);
  border-radius: 12px;
  background: rgba(6, 18, 34, 0.92);
  box-shadow: 0 22px 45px rgba(0, 0, 0, 0.45);
  padding: 10px;
  transform: translateY(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.bg-tune-panel.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.bg-tune-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.bg-tune-head h4 {
  margin: 0;
  font-size: 15px;
}

.bg-tune-close {
  border: 1px solid rgba(130, 201, 237, 0.5);
  background: rgba(11, 34, 61, 0.9);
  color: #dff1ff;
  border-radius: 8px;
  min-height: 30px;
  padding: 0 10px;
  cursor: pointer;
}

.bg-tune-grid {
  margin-top: 8px;
  display: grid;
  gap: 8px;
}

.bg-tune-row {
  display: grid;
  grid-template-columns: 92px 1fr 46px;
  align-items: center;
  gap: 8px;
}

.bg-tune-row span {
  font-size: 12px;
  color: #9fc5dd;
}

.bg-tune-row input {
  width: 100%;
}

.bg-tune-row b {
  font-size: 12px;
  color: #eaf6ff;
  text-align: right;
  font-weight: 600;
}

.bg-tune-check {
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #b8d6ea;
}

.bg-tune-actions {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.bg-tune-btn {
  border: 1px solid rgba(125, 211, 252, 0.55);
  border-radius: 8px;
  min-height: 36px;
  cursor: pointer;
  background: linear-gradient(120deg, #0d3558, #114872 46%, #7f4b2d);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.bg-tune-btn.secondary {
  background: linear-gradient(120deg, #16345e, #2a4468);
}

.bg-tune-tip {
  margin: 8px 0 0;
  font-size: 11px;
  color: #8eb5cd;
  line-height: 1.5;
}