/* ═══════════════════════════════════════════════════════════════
   Chinese Name Studio — design system
   Direction: Eastern-modern fusion.
   Editorial serif for display, clean sans for interface.
   Rice-paper ground, cinnabar accent, hairline gold rules.
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Surfaces — warm paper rather than grey, but kept light enough to read as white at a glance */
  --paper: #fbf8f2;
  --paper-2: #f5efe4;
  --card: #ffffff;

  /* Ink */
  --ink: #16130e;
  --ink-2: #4c463c;
  --ink-3: #7b7367;

  /* Hairlines */
  --line: #e6ddcd;
  --line-strong: #d2c6b0;

  /* Cinnabar — the single accent. Used for action and the seal, nowhere else. */
  --cinnabar: #a8382b;
  --cinnabar-dark: #86291e;
  --cinnabar-soft: #f7e9e5;

  /* Secondary accents, used sparingly */
  --gold: #a2803a;
  --jade: #3c6659;

  --radius-sm: 6px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(22, 19, 14, 0.04);
  --shadow: 0 6px 24px -12px rgba(22, 19, 14, 0.18);
  --shadow-lg: 0 24px 60px -32px rgba(22, 19, 14, 0.28);

  --font-display: "Noto Serif SC", "Songti SC", Georgia, "Times New Roman", serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  /* IPA 含 ˧˥ 这类声调符号与 ʈʂɤ 这类少见音标，系统 UI 字体常缺字形。
     单独给一条覆盖更广的字体链，避免外国人看到一串方块。 */
  --font-ipa: "Charis SIL", "Doulos SIL", "Gentium Plus", "Segoe UI",
    "Lucida Sans Unicode", "DejaVu Sans", var(--font-ui);

  --shell: 1120px;
  --shell-narrow: 720px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.62;
  background-color: var(--paper);
  /* Two very soft warm pools plus a faint weave. Cheap, no image request. */
  background-image:
    radial-gradient(60rem 40rem at 12% -8%, #fffaf1 0%, rgba(255, 250, 241, 0) 60%),
    radial-gradient(48rem 36rem at 92% 4%, #f6ece0 0%, rgba(246, 236, 224, 0) 62%),
    repeating-linear-gradient(90deg, rgba(22, 19, 14, 0.012) 0 1px, transparent 1px 3px);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0; }

img { max-width: 100%; display: block; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1.1rem;
  z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ── Layout ───────────────────────────────────────────────── */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.shell--narrow { max-width: var(--shell-narrow); }

section { scroll-margin-top: 84px; }

/* ── Header ───────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 248, 242, 0.86);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 64px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.wordmark__glyph {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 5px;
  background: var(--cinnabar);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.05rem;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.18);
}

.wordmark__text { font-size: 0.98rem; }

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 1.5rem;
  font-size: 0.92rem;
  color: var(--ink-2);
}

.site-nav a {
  text-decoration: none;
  padding-block: 0.35rem;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--line-strong); }

/* ── Buttons ──────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.4rem;
  border: 1px solid var(--cinnabar);
  border-radius: 999px;
  background: var(--cinnabar);
  color: #fff;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}
.btn:hover { background: var(--cinnabar-dark); border-color: var(--cinnabar-dark); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: progress; }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { background: var(--card); border-color: var(--ink-3); }

.btn--sm { padding: 0.5rem 1rem; font-size: 0.88rem; }
.btn--block { width: 100%; }

/* ── Shared type helpers ──────────────────────────────────── */

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.section-head { margin-bottom: 2.5rem; }

.section-head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.section-head__title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 0.6rem;
}

.section-head__lead {
  color: var(--ink-2);
  max-width: 46ch;
}

.note {
  color: var(--ink-3);
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
}
.note--center { text-align: center; }

.link {
  color: var(--cinnabar);
  text-underline-offset: 3px;
}

.ticks {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.ticks li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--ink-2);
}

.ticks li::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 1px;
  background: var(--cinnabar);
  transform: rotate(45deg);
}

/* ── Hero ─────────────────────────────────────────────────── */

.hero { padding: 4.5rem 0 5rem; }

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-bottom: 1.1rem;
}

.hero__lead {
  font-size: 1.06rem;
  color: var(--ink-2);
  max-width: 44ch;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero__hint { color: var(--ink-3); font-size: 0.88rem; }

/* Specimen card — the one place the site shows its own product */
.specimen { margin: 0; }

.specimen__paper {
  position: relative;
  padding: 3rem 2rem 2.5rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, #fffdf8 0%, #f7f1e5 100%);
  box-shadow: var(--shadow-lg);
  text-align: center;
  overflow: hidden;
}

/* Mounted-sheet inner rule — the restrained Chinese reference */
.specimen__paper::after {
  content: "";
  position: absolute;
  inset: 0.75rem;
  border: 1px solid rgba(162, 128, 58, 0.28);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
}

.specimen__name {
  font-family: var(--font-display);
  font-size: clamp(4rem, 11vw, 6rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  color: var(--ink);
}

.specimen__pinyin {
  margin-top: 1rem;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.specimen__sounds {
  margin-top: 0.5rem;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.specimen__seal {
  position: absolute;
  right: 1.6rem;
  bottom: 1.6rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  width: 62px;
  height: 62px;
  padding: 4px;
  border-radius: 5px;
  background: var(--cinnabar);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.32);
}

.specimen__seal span {
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1;
  color: #fdf8f1;
}

.specimen__caption {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.4rem;
}

.specimen__source {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.specimen__meaning { color: var(--ink-2); font-size: 0.95rem; }

/* ── Generator ────────────────────────────────────────────── */

.generator { padding: 4.5rem 0; }

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  padding: 2rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 2rem;
}

.field__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.field__label {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1rem;
}

.field__hint { font-size: 0.82rem; color: var(--ink-3); }
.field__hint[data-state="over"] { color: var(--cinnabar); font-weight: 600; }

.trait-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.trait-group__name {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.trait-group__blurb {
  font-size: 0.78rem;
  color: var(--ink-3);
  margin-bottom: 0.75rem;
  line-height: 1.45;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--card);
  font-size: 0.9rem;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
  user-select: none;
}

.chip:hover { border-color: var(--ink-3); color: var(--ink); }

.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip:has(input:focus-visible) { outline: 2px solid var(--cinnabar); outline-offset: 2px; }

.chip:has(input:checked) {
  border-color: var(--cinnabar);
  background: var(--cinnabar-soft);
  color: var(--cinnabar-dark);
  font-weight: 600;
}

/* Trait chips are the only ones carrying a tooltip line */
.chip--trait { flex-direction: column; align-items: flex-start; gap: 0.1rem; padding: 0.55rem 0.95rem; }
.chip__sub { font-size: 0.74rem; color: var(--ink-3); font-weight: 400; }
.chip--trait:has(input:checked) .chip__sub { color: var(--cinnabar); opacity: 0.85; }

.panel__foot {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.status {
  min-height: 1.3rem;
  font-size: 0.88rem;
  color: var(--ink-3);
  text-align: center;
}

/*
 * 失败与限流提示。
 * 不做成一行小字——用户点完按钮首先看的是结果区有没有东西，
 * 提示必须足够显眼才不会把「被拒了」误读成「按钮没反应」。
 */
.status[data-state="error"] {
  display: grid;
  gap: 0.3rem;
  text-align: left;
  padding: 0.85rem 1.05rem;
  border: 1px solid var(--cinnabar-soft);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
  background: #fdf5f2;
}
.status__title { color: var(--cinnabar-dark); font-size: 0.95rem; }
.status__body { color: var(--ink-2); font-size: 0.87rem; line-height: 1.55; }

/* ── Results ──────────────────────────────────────────────── */

.results { padding: 4.5rem 0; }

.result-list { display: grid; gap: 1.5rem; }

.name-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.name-card__top {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 2rem;
  align-items: start;
}

.name-card__invite {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fffdf8, #f7f1e5);
  border: 1px solid var(--line);
}

.name-card__hanzi {
  font-family: var(--font-display);
  font-size: 2.9rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.12em;
  text-indent: 0.12em;
}

.name-card__pinyin {
  margin-top: 0.5rem;
  color: var(--cinnabar);
  font-size: 0.98rem;
  letter-spacing: 0.04em;
}

/* 英文近似读音放在拼音正下方、字号略大：这才是外国用户真正会看的行 */
.name-card__sounds {
  margin-top: 0.75rem;
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.sounds-tag {
  display: inline-block;
  margin-right: 0.4rem;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink-3);
  text-transform: lowercase;
}

.name-card__ipa {
  margin-top: 0.5rem;
  font-family: var(--font-ipa);
  font-size: 0.8rem;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

/* 外国人看不懂 [miŋ˧˥] 是什么，加个标签说明这是国际音标 */
.ipa-tag {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0.05rem 0.3rem;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  vertical-align: 0.08em;
}

.name-card__body { display: grid; gap: 1.1rem; }

.block__label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.35rem;
}

.block__text { color: var(--ink-2); }

/* 服务端截断后收尾是个省略号，这里的渐隐让"后面还有内容"一眼可见 */
.block__text--teaser {
  position: relative;
  max-height: 4.9em;
  overflow: hidden;
}
.block__text--teaser::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 1.6em;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--card));
}

.locked-note {
  margin-top: 0.55rem;
  font-size: 0.82rem;
  color: var(--cinnabar-dark);
  padding-left: 0.7rem;
  border-left: 2px solid var(--cinnabar-soft);
}

.source-details > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.source-details > summary::-webkit-details-marker { display: none; }
.source-details > summary::after {
  content: "";
  width: 0.38rem;
  height: 0.38rem;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.2s ease;
}
.source-details[open] > summary::after { transform: rotate(-135deg) translateY(-1px); }
.source-details > summary + p { margin-top: 0.6rem; }

.block__text--quote {
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--ink);
  padding-left: 0.9rem;
  border-left: 2px solid var(--cinnabar-soft);
}

.meaning-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
  font-size: 0.94rem;
  color: var(--ink-2);
}

.meaning-list strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
  margin-right: 0.4rem;
}

.name-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 1.1rem 2rem;
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  align-items: center;
}

.action {
  padding: 0.48rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--card);
  font: inherit;
  font-size: 0.87rem;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.action:hover { border-color: var(--ink-3); color: var(--ink); }
.action[aria-expanded="true"] { border-color: var(--cinnabar); color: var(--cinnabar-dark); }

.action-select {
  padding: 0.48rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--card);
  font: inherit;
  font-size: 0.87rem;
  color: var(--ink-2);
}

.lock-badge {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.lock-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--gold);
}

/* Drawer shared by strokes / audio / signature */
.drawer {
  padding: 1.5rem 2rem 2rem;
  border-top: 1px dashed var(--line-strong);
  background: var(--card);
}

.drawer[hidden] { display: none; }

.drawer__title {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.9rem;
}

.stroke-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.stroke-char {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-2);
  padding: 0.85rem 1rem;
  min-width: 108px;
  text-align: center;
}

.stroke-char__glyph {
  font-family: var(--font-display);
  font-size: 2.1rem;
  line-height: 1.1;
}

.stroke-char__count { font-size: 0.78rem; color: var(--cinnabar); margin-top: 0.2rem; }

.stroke-char__order {
  font-size: 0.72rem;
  color: var(--ink-3);
  margin-top: 0.35rem;
  line-height: 1.45;
}

.signature-preview {
  margin-top: 1.25rem;
  max-width: 280px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
}

.signature-preview img { width: 100%; }

.signature-meta {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--ink-3);
}

.seal-toggle { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.87rem; color: var(--ink-2); }
.seal-toggle input { accent-color: var(--cinnabar); }

/* ── 「照我自己的名字取」这条路 ───────────────────────────────
   和按特质检索共用同一张卡片，这里只加它独有的四样：
   起点选择、策略标签、字位来路、典籍出处。                        */

/* 起点选择：需要副文案，所以是纵向的 chip，比单行 chip 宽一些 */
.chip--mode {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  padding: 0.7rem 1rem;
  max-width: 22rem;
  text-align: left;
}
.chip__title { font-weight: 600; }
.chip--mode .chip__sub { line-height: 1.35; }
.chip--mode:has(input:checked) .chip__sub { color: var(--cinnabar); opacity: 0.85; }

.text-input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--ink);
  font-size: 1rem;
  font-family: var(--font-ui);
}
.text-input::placeholder { color: var(--ink-3); }
.text-input:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 1px; border-color: var(--cinnabar); }

/* 策略标签：三种取向一眼分得开，颜色是唯一的区分手段 */
.strategy {
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper-2);
}
.strategy__badge-row { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.strategy__badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid currentColor;
}
.strategy__badge--sound { color: var(--jade); }
.strategy__badge--blend { color: var(--gold); }
.strategy__badge--meaning { color: var(--cinnabar); }
.strategy__zh { font-family: var(--font-display); font-size: 0.92rem; color: var(--ink-3); }
.strategy__scores {
  margin-top: 0.5rem;
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

/* 字位来路：这个字是照读音来的，还是照含义取的 */
.role-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.role-list__item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.7rem 0.3rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
}
.role-list__char { font-family: var(--font-display); font-size: 1.15rem; line-height: 1; }
.role-list__tag { font-size: 0.72rem; letter-spacing: 0.03em; text-transform: uppercase; }
.role-list__tag--sound { color: var(--jade); }
.role-list__tag--sense { color: var(--cinnabar); }

/* 典籍原文：原文用衬线体压住视觉重量，释义退到第二层 */
.classic-list { display: grid; gap: 0.7rem; }
.classic-list__item {
  padding-left: 0.8rem;
  border-left: 2px solid var(--gold);
}
.classic-list__zh {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
}
.classic-list__en { margin-top: 0.2rem; font-size: 0.85rem; color: var(--ink-3); }

/* 未解锁时只给书名——它是引子，不是内容 */
.classic-works { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.classic-works__tag {
  padding: 0.15rem 0.55rem;
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--ink-2);
}

.block__text--muted { color: var(--ink-3); font-size: 0.88rem; }

/* ── Paywall ──────────────────────────────────────────────── */

.paywall {
  padding: 1.75rem 2rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--cinnabar-soft), #fff8f5);
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr auto;
  align-items: center;
}

.paywall__title { font-size: 1.05rem; margin-bottom: 0.25rem; }
.paywall__body { font-size: 0.9rem; color: var(--ink-2); max-width: 52ch; }

/* ── How it works ─────────────────────────────────────────── */

.how { padding: 4.5rem 0; border-top: 1px solid var(--line); }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step__num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
  display: block;
  padding-bottom: 0.8rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.step__title { font-size: 1.15rem; margin-bottom: 0.5rem; }
.step__body { color: var(--ink-2); font-size: 0.95rem; }

/* ── Features ─────────────────────────────────────────────── */

.features { padding: 4.5rem 0; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
}

.feature__title { font-size: 1.08rem; margin-bottom: 0.5rem; }
.feature__body { color: var(--ink-2); font-size: 0.94rem; }

/* ── Pricing ──────────────────────────────────────────────── */

.pricing { padding: 4.5rem 0; border-top: 1px solid var(--line); }

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.tier {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  padding: 1.9rem 1.7rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 1.1rem;
  align-content: start;
}

.tier--featured {
  border-color: var(--cinnabar);
  box-shadow: var(--shadow);
  position: relative;
}

.tier__flag {
  position: absolute;
  top: -0.7rem;
  left: 1.7rem;
  background: var(--cinnabar);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
}

.tier__name { font-size: 1.15rem; }
.tier__tagline { font-size: 0.9rem; color: var(--ink-2); min-height: 3.2em; }

.tier__price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.tier__price small {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0;
  margin-left: 0.35rem;
}

.tier__features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  font-size: 0.9rem;
  color: var(--ink-2);
}

.tier__features li { position: relative; padding-left: 1.3rem; }

.tier__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 1px;
  background: var(--cinnabar);
  transform: rotate(45deg);
}

/* ── FAQ ──────────────────────────────────────────────────── */

.faq { padding: 4.5rem 0; }

/* 区块标题与上面几节共用同一条左边界，正文再收窄到适合阅读的宽度——
   标题对齐是版面整洁的关键，正文行长是阅读舒适度的关键，两者不该互相迁就。 */
.faq-list { max-width: 780px; }

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 2.2rem 1.25rem 0;
  position: relative;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 0.35rem;
  top: 1.6rem;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--cinnabar);
  border-bottom: 2px solid var(--cinnabar);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after { transform: rotate(-135deg); }

.faq-item__a { padding: 0 2.2rem 1.5rem 0; color: var(--ink-2); }

/* ── Trust ────────────────────────────────────────────────── */

.trust { padding: 4.5rem 0; }

.trust__panel {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fffdf8, #f7f1e5);
  padding: 2.2rem;
  display: grid;
  gap: 1rem;
  max-width: 860px;
}

.trust__title { font-size: 1.4rem; }
.trust__lead { color: var(--ink-2); }

.trust__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--ink-2);
}

.trust__list li { position: relative; padding-left: 1.3rem; }
.trust__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 1px;
  background: var(--jade);
  transform: rotate(45deg);
}

/* ── Library ──────────────────────────────────────────────── */

.library { padding: 4.5rem 0; border-top: 1px solid var(--line); }

.library-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 2rem;
}

.library-list a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink-2);
}
.library-list a:hover { color: var(--cinnabar-dark); border-bottom-color: var(--line-strong); }

.library-list .hanzi {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
  letter-spacing: 0.08em;
}

.library-list .py { font-size: 0.88rem; color: var(--ink-3); }

/* ── Article pages (SEO / privacy) ───────────────────────── */

.article { padding: 3.5rem 0 5rem; }

.article h1 {
  font-size: clamp(2.2rem, 5vw, 3rem);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.article__pinyin {
  color: var(--cinnabar);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.article__ipa {
  color: var(--ink-3);
  font-size: 0.88rem;
  font-family: var(--font-ipa);
}

.article h2 {
  font-size: 1.15rem;
  margin: 2.6rem 0 0.7rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.article p { color: var(--ink-2); margin-bottom: 1rem; }
.article ul { color: var(--ink-2); padding-left: 1.2rem; margin: 0 0 1rem; }
.article li { margin-bottom: 0.4rem; }
.article li strong { font-family: var(--font-display); font-size: 1.05rem; color: var(--ink); }

.article__source {
  font-size: 0.88rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.article__cta {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

/* ── Footer ───────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 4rem;
  background: var(--paper-2);
  color: var(--ink-2);
  font-size: 0.9rem;
}

.site-footer p + p { margin-top: 0.7rem; }
.site-footer p { max-width: 780px; }
.site-footer__fine { font-size: 0.82rem; color: var(--ink-3); }

.site-footer__links {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 0.7rem;
}

.site-footer__links a { color: var(--cinnabar); text-underline-offset: 3px; }

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1000px) {
  .hero__grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero__specimen { max-width: 420px; }
  .trait-groups { grid-template-columns: 1fr; }
  .tier-grid { grid-template-columns: 1fr; }
  .tier__tagline { min-height: 0; }
  .steps { grid-template-columns: 1fr; gap: 1.75rem; }
}

@media (max-width: 760px) {
  .site-nav { display: none; }
  .hero { padding: 3rem 0 3.5rem; }
  .generator, .results, .how, .features, .pricing, .faq, .trust, .library { padding: 3rem 0; }
  .panel { padding: 1.4rem; }
  .name-card__top { grid-template-columns: 1fr; gap: 1.4rem; padding: 1.4rem; }
  .name-card__invite { padding: 1.25rem 1rem; }
  .name-card__actions { padding: 1rem 1.4rem; }
  .drawer { padding: 1.25rem 1.4rem 1.5rem; }
  .paywall { grid-template-columns: 1fr; padding: 1.4rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .library-list { grid-template-columns: 1fr; }
  .lock-badge { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}