/* roulang page: index */
:root {
  --bg: #F6F0E8;
  --bg-deep: #2A1422;
  --ink: #241910;
  --muted: #6E6258;
  --card: #FFF9F3;
  --line: #E6D9CC;
  --primary: #E25B3A;
  --primary-2: #8E3A68;
  --accent: #1F8A84;
  --apricot: #F8E6D6;
  --gradient: linear-gradient(120deg, #E25B3A 0%, #C4485A 52%, #8E3A68 100%);
  --shadow: 0 18px 40px rgba(42, 20, 34, .12);
  --shadow-hover: 0 22px 48px rgba(42, 20, 34, .2);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --header-h: 64px;
  --max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16.5px;
  line-height: 1.75;
  padding-bottom: 104px;
}
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 {
  font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: 0;
}
h1 { font-size: 50px; }
h2 { font-size: 32px; }
h3 { font-size: 20px; }
p { margin: 0 0 14px; }
a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: rgba(36, 25, 16, .35);
}
a:hover { color: var(--primary); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
::selection { background: #F3C7BC; color: var(--ink); }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 72px 0; }
.band-milk { background: var(--bg); }
.band-apricot { background: var(--apricot); }
.muted { color: var(--muted); font-size: 14px; line-height: 1.7; }
.kicker {
  margin: 0 0 10px;
  color: var(--primary-2);
  font-size: 14px;
  letter-spacing: .08em;
}
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p:last-child { margin-bottom: 0; color: var(--muted); }

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: #FFF9F3;
  border-bottom: 1px solid var(--line);
}
.head-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
  color: var(--ink);
  font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
  font-size: 20px;
  font-weight: 600;
  white-space: nowrap;
}
.logo span { color: var(--primary); font-size: 14px; }
.tool-nav {
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.tool-nav a {
  position: relative;
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
  color: var(--ink);
}
.tool-nav a:hover { color: var(--primary); }
.tool-nav a.is-current::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
}
.head-tools { display: flex; align-items: center; gap: 10px; }
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(31, 138, 132, .16);
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
}
.bell {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--ink);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}
.bell:hover, .bell:active { color: var(--primary); border-color: var(--primary); }
.bell svg { width: 18px; height: 18px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1;
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover, .btn-primary:focus-visible { color: #fff; filter: brightness(1.08); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); filter: brightness(1); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover, .btn-ghost:focus-visible { color: var(--primary); border-color: var(--primary); transform: translateY(-2px); }
.btn.is-disabled, .btn:disabled { opacity: .45; pointer-events: none; }
.hero-actions, .pill-row, .inline-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.badge, .num, .flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  min-height: 26px;
  padding: 0 10px;
  white-space: nowrap;
}
.num { background: var(--gradient); color: #fff; font-weight: 600; }
.flag { background: var(--accent); color: #fff; }
.flag-line { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.flag-soft { background: rgba(31, 138, 132, .12); color: #14635f; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.card-hover { transition: transform .2s ease, box-shadow .2s ease; }
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.inner-card { border-radius: var(--radius-md); }

.hero { padding: 48px 0 72px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center; }
.lead-one { font-size: 18px; margin-bottom: 12px; }
.hero-text { color: var(--muted); max-width: 620px; }
.hero-actions { margin: 18px 0 16px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px 6px 6px;
  font-size: 13px;
  box-shadow: var(--shadow);
}
.hero-visual { position: relative; min-height: 540px; }
.hero-visual::before {
  content: "";
  position: absolute;
  right: 0;
  top: 36px;
  width: 48%;
  height: 78%;
  background: var(--gradient);
  border-radius: var(--radius-lg);
}
.poster {
  position: absolute;
  width: 66%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--card);
}
.poster-a { right: 0; top: 0; z-index: 1; }
.poster-b { left: 0; top: 78px; z-index: 2; }
.shot {
  height: 100%;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .45s ease;
}
.poster:hover .shot { transform: scale(1.04); }
.shot-a { background: linear-gradient(180deg, #3a2230 0%, #8E3A68 58%, #E25B3A 140%); color: #fff; }
.shot-b { background: linear-gradient(200deg, #FFF9F3 0%, #F8E6D6 45%, #d9efe9 100%); color: var(--ink); }
.poster-top, .poster-bottom { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.poster h3 { font-size: 28px; margin: 0; }
.poster p { margin: 8px 0 0; font-size: 14px; line-height: 1.6; }
.shot-a p { color: rgba(255, 249, 243, .86); }
.thin-bar { height: 6px; border-radius: 999px; background: rgba(255,255,255,.25); overflow: hidden; }
.thin-bar span { display: block; height: 100%; width: 72%; background: #fff; }
.shot-b .thin-bar { background: rgba(36,25,16,.08); }
.shot-b .thin-bar span { width: 100%; background: var(--accent); }

.point-grid { display: grid; grid-template-columns: 1.27fr 1fr .76fr; gap: 18px; align-items: start; }
.point-card { padding: 24px; min-height: 250px; }
.point-card:nth-child(2) { margin-top: 34px; min-height: 290px; }
.point-card:nth-child(3) { margin-top: 68px; min-height: 240px; }
.point-card .num { margin-bottom: 18px; }
.point-card p { color: var(--muted); margin: 0; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow);
}
.step-no {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--gradient);
  font-size: 14px;
  margin-bottom: 12px;
}
.step p { margin: 0; color: var(--muted); font-size: 15px; }
.meter { margin-top: 18px; height: 8px; border-radius: 999px; background: #eadfd4; overflow: hidden; }
.meter span { display: block; height: 100%; background: var(--gradient); }
.meter-note { margin: 8px 0 0; font-size: 13px; color: var(--muted); }

.quote-card {
  background: var(--bg-deep);
  color: #F6F0E8;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}
.quote-card h2 { color: #fff; }
.quote-card blockquote {
  margin: 0 0 18px;
  font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
  font-size: 28px;
  line-height: 1.45;
}
.quote-card .pill { background: transparent; color: #fff; border-color: rgba(255,249,243,.2); box-shadow: none; }
.return-row { display: flex; flex-wrap: wrap; gap: 10px; }

.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare-card { padding: 24px; border-radius: var(--radius-lg); }
.compare-plain { background: transparent; border: 1px solid var(--line); box-shadow: none; }
.compare-ours {
  background:
    linear-gradient(var(--card), var(--card)) padding-box,
    var(--gradient) border-box;
  border: 1px solid transparent;
  box-shadow: var(--shadow);
}
.diff { margin: 0; }
.diff div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.diff dt { font-size: 14px; color: var(--muted); }
.diff dd { margin: 0; }

.timeline { position: relative; margin: 0; padding: 0; list-style: none; }
.timeline::before {
  content: "";
  position: absolute;
  left: 92px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}
.timeline li {
  display: grid;
  grid-template-columns: 92px 18px 1fr;
  gap: 14px;
  padding: 12px 0 18px;
}
.date-badge { font-size: 13px; color: var(--primary-2); padding-top: 2px; }
.dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(31,138,132,.15);
  position: relative;
  z-index: 1;
}
.timeline h3 { margin-bottom: 6px; font-size: 20px; }
.timeline h3 a { text-decoration: none; }
.timeline h3 a:hover { color: var(--primary); }
.timeline p { margin: 0; color: var(--muted); }

.faq { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow); }
.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  font-size: 17px;
}
.plus {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  position: relative;
  flex: none;
  transition: transform .2s ease;
}
.plus::before, .plus::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
}
.plus::before { width: 12px; height: 1.5px; }
.plus::after { width: 1.5px; height: 12px; }
.faq-item.is-open .plus { transform: rotate(45deg); }
.faq-a { display: none; margin: 0 18px 16px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); }
.faq-item.is-open .faq-a { display: block; }

.assure {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}
.assure li { padding: 8px 16px 22px 0; }
.assure li + li { border-left: 1px solid var(--line); padding-left: 16px; }
.ico {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(31, 138, 132, .12);
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 8px;
}
.assure strong { display: block; font-size: 16px; }
.assure span { display: block; color: var(--muted); font-size: 14px; }

.topic-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.topic-main { padding: 32px; min-height: 320px; display: flex; flex-direction: column; }
.topic-main p { color: var(--muted); }
.topic-main .btn { margin-top: auto; align-self: flex-start; }
.topic-side { display: flex; flex-direction: column; gap: 18px; }
.side-link {
  display: block;
  text-decoration: none;
  padding: 20px;
  color: inherit;
}
.side-link:hover { color: inherit; }
.side-link h3 { margin-bottom: 8px; }
.side-link p { margin: 0; color: var(--muted); font-size: 15px; }

.wall {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  grid-template-areas:
    "big s1 s2"
    "big s3 s4";
  gap: 16px;
}
.wall a { text-decoration: none; color: inherit; display: flex; flex-direction: column; overflow: hidden; }
.wall a:hover { color: inherit; }
.w-big { grid-area: big; }
.w-s1 { grid-area: s1; }
.w-s2 { grid-area: s2; }
.w-s3 { grid-area: s3; }
.w-s4 { grid-area: s4; }
.frame { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.ratio-34 { aspect-ratio: 3 / 4; }
.ratio-169 { aspect-ratio: 16 / 9; }
.frame .shot { position: absolute; inset: 0; }
.wall-copy { padding: 14px 16px 16px; }
.wall-copy h3 { font-size: 18px; margin-bottom: 6px; }
.wall-copy p { margin: 0; color: var(--muted); font-size: 14px; }
.corner { position: absolute; top: 12px; left: 12px; z-index: 2; }

.scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.scene-wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr .9fr; overflow: hidden; }
.scene-copy, .scene-narrow { padding: 24px; }
.scene-narrow p, .scene-copy p { margin: 0; color: var(--muted); }
.scene-photo {
  min-height: 220px;
  background:
    linear-gradient(160deg, rgba(42,20,34,.08), rgba(226,91,58,.28)),
    repeating-linear-gradient(135deg, #F8E6D6 0 16px, #F6F0E8 16px 32px);
}

.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; margin: 0; padding: 0; list-style: none; }
.week li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  min-height: 118px;
  padding: 12px;
  box-shadow: var(--shadow);
}
.week strong { display: block; margin-bottom: 14px; font-size: 14px; }
.board-foot { margin-top: 16px; }

.path-list { display: flex; flex-direction: column; gap: 14px; max-width: 820px; }
.path-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
}
.path-item h3 { margin: 0 0 4px; font-size: 18px; }
.path-item p { margin: 0; color: var(--muted); font-size: 14px; }

.boundary { padding: 8px 8px 8px 22px; border-left: 3px solid var(--accent); }
.boundary ul { margin: 0; padding: 0; list-style: none; }
.boundary li { padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--muted); }

.close-card {
  background: var(--bg-deep);
  color: #F6F0E8;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}
.close-card h2 { color: #fff; margin-bottom: 8px; }
.close-card p { margin: 0; color: rgba(246,240,232,.8); max-width: 640px; }

.site-foot { background: var(--bg-deep); color: #F6F0E8; padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 22px; }
.foot-brand {
  font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
  font-size: 22px;
  margin: 0 0 8px;
}
.site-foot a { color: #F6F0E8; text-underline-offset: 4px; }
.site-foot a:hover { color: var(--primary); }
.foot-title { margin: 0 0 10px; font-size: 14px; color: #F2B8A4; }
.foot-links { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.copyright {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(246,240,232,.16);
  color: rgba(246,240,232,.72);
  font-size: 13px;
}

.dock {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 60;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px 10px 16px;
  background: var(--bg-deep);
  color: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
  transform: translateY(150%);
  visibility: hidden;
  transition: transform .25s ease, visibility .25s ease;
}
.dock.is-show { transform: translateY(0); visibility: visible; }
.dock b { font-weight: 600; font-size: 14px; }
.dock .btn-primary:hover { color: #fff; }

.input, input[type="text"], input[type="search"] {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-sm);
  min-height: 42px;
  padding: 8px 12px;
}
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.field .error { color: var(--primary); font-size: 13px; }
label { color: var(--ink); }

@media (max-width: 1100px) {
  .nav-toggle { display: inline-flex; }
  .tool-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #FFF9F3;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 8px 20px 14px;
  }
  .tool-nav.is-open { display: flex; }
  .tool-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .tool-nav a.is-current::after { left: 0; bottom: 16px; transform: none; }
  .hero-grid, .point-grid, .compare-grid, .topic-grid, .scene-grid, .foot-grid, .close-card {
    grid-template-columns: 1fr;
    display: grid;
  }
  .scene-wide { grid-template-columns: 1fr; }
  .point-card, .point-card:nth-child(2), .point-card:nth-child(3) { margin-top: 0; min-height: 0; }
  .wall { grid-template-columns: 1fr 1fr; grid-template-areas: "big big" "s1 s2" "s3 s4"; }
  .path-item { grid-template-columns: 52px 1fr; }
  .path-item .btn { grid-column: 2; justify-self: start; }
  .hero-visual { min-height: 480px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  h1 { font-size: 34px; }
  h2 { font-size: 28px; }
  .section { padding: 40px 0; }
  .hero { padding: 32px 0 40px; }
  .status { display: none; }
  .steps, .assure, .week { grid-template-columns: 1fr 1fr; }
  .assure li + li { border-left: 0; padding-left: 0; }
  .assure li { border-top: 1px solid var(--line); padding-top: 16px; }
  .timeline::before { left: 7px; }
  .timeline li { grid-template-columns: 18px 1fr; }
  .date-badge { grid-column: 2; }
  .poster { width: 72%; }
  .poster h3 { font-size: 22px; }
  .quote-card blockquote { font-size: 22px; }
  .close-card { padding: 24px; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 28px); }
  .steps, .assure, .week, .wall { grid-template-columns: 1fr; grid-template-areas: none; }
  .w-big, .w-s1, .w-s2, .w-s3, .w-s4 { grid-area: auto; }
  .hero-visual { min-height: 420px; }
  .head-tools .btn { padding: 0 10px; }
  .dock { left: 10px; right: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category1 */
:root {
 --bg: #F6F0E8;
 --bg-deep: #2A1422;
 --ink: #241910;
 --muted: #6E6258;
 --card: #FFF9F3;
 --line: #E6D9CC;
 --primary: #E25B3A;
 --primary-2: #8E3A68;
 --accent: #1F8A84;
 --apricot: #F8E6D6;
 --gradient: linear-gradient(120deg, #E25B3A 0%, #C4485A 52%, #8E3A68 100%);
 --shadow: 0 18px 40px rgba(42, 20, 34, .12);
 --shadow-hover: 0 22px 48px rgba(42, 20, 34, .2);
 --radius-lg: 28px;
 --radius-md: 18px;
 --radius-sm: 12px;
 --header-h: 64px;
 --max: 1120px;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16.5px;
 line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a {
 color: var(--ink);
 text-decoration: underline;
 text-decoration-thickness: 1px;
 text-underline-offset: 4px;
 text-decoration-color: rgba(36, 25, 16, .35);
}
a:hover { color: var(--primary); }
a:focus-visible, button:focus-visible, input:focus-visible {
 outline: 2px solid var(--accent);
 outline-offset: 3px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 72px 0; }
.band-apricot { background: var(--apricot); }
.band-rice { background: var(--bg); }
.muted { color: var(--muted); font-size: 14px; line-height: 1.7; }
.section-head { max-width: 760px; margin-bottom: 28px; }
.section-head p:last-child { margin-top: 8px; margin-bottom: 0; color: var(--muted); }
h1, h2, h3, .logo, .foot-brand {
 font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
 font-weight: 600;
 line-height: 1.25;
}
h1 { font-size: 48px; letter-spacing: -0.02em; }
h2 { font-size: 32px; }
h3 { font-size: 20px; }
.logo {
 display: inline-flex;
 align-items: baseline;
 gap: 6px;
 text-decoration: none;
 color: var(--ink);
 font-size: 20px;
 white-space: nowrap;
}
.logo span { color: var(--primary); font-size: 14px; }
.site-head {
 position: sticky;
 top: 0;
 z-index: 40;
 background: #FFF9F3;
 border-bottom: 1px solid var(--line);
}
.head-bar {
 height: var(--header-h);
 display: flex;
 align-items: center;
 gap: 16px;
}
.tool-nav {
 margin: 0 auto;
 display: flex;
 align-items: center;
 justify-content: center;
 gap: 18px;
 flex: 1;
}
.tool-nav a {
 position: relative;
 text-decoration: none;
 font-size: 14px;
 padding: 6px 0;
 color: var(--ink);
}
.tool-nav a:hover { color: var(--primary); }
.tool-nav a.is-current { color: var(--ink); }
.tool-nav a.is-current::after {
 content: "";
 position: absolute;
 left: 50%;
 bottom: -6px;
 width: 6px;
 height: 6px;
 border-radius: 50%;
 background: var(--accent);
 transform: translateX(-50%);
}
.nav-toggle {
 display: none;
 border: 1px solid var(--line);
 background: var(--card);
 border-radius: 999px;
 padding: 6px 12px;
 font-size: 13px;
 min-height: 36px;
}
.head-tools { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.status {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 font-size: 13px;
 color: var(--ink);
}
.status i {
 width: 8px;
 height: 8px;
 border-radius: 50%;
 background: var(--accent);
 box-shadow: 0 0 0 4px rgba(31, 138, 132, .16);
}
.bell {
 width: 42px;
 height: 42px;
 border-radius: 50%;
 border: 1px solid var(--line);
 background: var(--card);
 display: inline-flex;
 align-items: center;
 justify-content: center;
 color: var(--ink);
 transition: transform .2s ease, border-color .2s ease, color .2s ease;
}
.bell svg { width: 18px; height: 18px; }
.bell:hover, .bell:focus-visible { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 0 16px;
 border-radius: 999px;
 text-decoration: none;
 border: 1px solid transparent;
 font-size: 14px;
 line-height: 1;
 background: transparent;
 transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease, background .2s ease;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover, .btn-primary:focus-visible { color: #fff; filter: brightness(1.08); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); filter: brightness(1); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover, .btn-ghost:focus-visible { color: var(--primary); border-color: var(--primary); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn.is-disabled, .btn:disabled { opacity: .45; pointer-events: none; }
.badge, .num, .flag {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 border-radius: 999px;
 font-size: 12px;
 line-height: 1;
 min-height: 26px;
 padding: 0 10px;
 white-space: nowrap;
}
.badge { background: rgba(31, 138, 132, .12); color: var(--accent); border: 1px solid rgba(31, 138, 132, .28); }
.badge.warm { background: rgba(226, 91, 58, .12); color: var(--primary); border-color: rgba(226, 91, 58, .28); }
.badge.ink { background: var(--bg-deep); color: #F6F0E8; border-color: transparent; }
.card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius-lg);
 box-shadow: var(--shadow);
}
.card-hover { transition: transform .2s ease, box-shadow .2s ease; }
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.inner-card { border-radius: var(--radius-md); }
.intro-grid {
 display: grid;
 grid-template-columns: minmax(0, 1fr) auto;
 gap: 28px;
 align-items: end;
}
.scope { max-width: 680px; margin-top: 16px; display: grid; gap: 8px; }
.scope p { color: var(--muted); }
.result-badge {
 min-width: 168px;
 padding: 18px 20px 16px;
 text-align: center;
 border-radius: var(--radius-lg);
}
.result-badge strong {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-width: 84px;
 min-height: 52px;
 padding: 0 14px;
 border-radius: 999px;
 background: var(--gradient);
 color: #fff;
 font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
 font-size: 36px;
 line-height: 1;
}
.result-badge span { display: block; margin-top: 10px; font-size: 13px; color: var(--muted); }
.filter-bar { padding: 16px 18px; display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; }
.filter-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.filter-label { font-size: 13px; color: var(--muted); min-width: 32px; }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 border-radius: 999px;
 min-height: 32px;
 padding: 0 12px;
 font-size: 13px;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.is-on, .chip[aria-pressed="true"] {
 background: var(--accent);
 border-color: var(--accent);
 color: #fff;
}
.chip:active { transform: translateY(1px); }
.entry-list { display: flex; flex-direction: column; gap: 14px; }
.entry {
 display: grid;
 grid-template-columns: 280px minmax(0, 1fr);
 gap: 18px;
 padding: 14px;
 text-decoration: none;
 color: inherit;
 align-items: center;
}
.entry:hover, .entry:focus-visible { color: inherit; }
.thumb {
 position: relative;
 aspect-ratio: 16 / 9;
 border-radius: var(--radius-md);
 overflow: hidden;
 border: 1px solid var(--line);
}
.thumb-fill {
 display: block;
 width: 100%;
 height: 100%;
 transform: scale(1);
 transition: transform .35s ease;
}
.entry:hover .thumb-fill { transform: scale(1.04); }
.tone-1 { background: linear-gradient(145deg, #3a2230 0%, #8E3A68 62%, #E25B3A 140%); }
.tone-2 { background: linear-gradient(160deg, #2A1422 0%, #1F8A84 120%); }
.tone-3 { background: linear-gradient(150deg, #E25B3A 0%, #C4485A 55%, #2A1422 140%); }
.tone-4 { background: linear-gradient(180deg, #6E3A4A 0%, #F6F0E8 130%); }
.tone-5 { background: linear-gradient(135deg, #1F8A84 0%, #2A1422 80%); }
.tone-6 { background: linear-gradient(200deg, #8E3A68 0%, #F8E6D6 130%); }
.flag {
 position: absolute;
 left: 10px;
 top: 10px;
 background: rgba(255, 249, 243, .92);
 color: var(--ink);
 border: 0;
}
.entry-body h3 {
 text-decoration: underline;
 text-decoration-thickness: 1px;
 text-underline-offset: 4px;
 text-decoration-color: rgba(36, 25, 16, .35);
}
.entry:hover h3 { color: var(--primary); }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 8px; }
.entry-body p { color: var(--muted); font-size: 14px; }
.list-foot {
 margin-top: 18px;
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 12px;
 flex-wrap: wrap;
}
.pager { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.page {
 min-width: 36px;
 height: 36px;
 padding: 0 8px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: var(--card);
 display: inline-flex;
 align-items: center;
 justify-content: center;
 font-size: 13px;
 color: var(--muted);
}
.page.is-on { background: var(--accent); color: #fff; border-color: var(--accent); }
.rhythm-board { max-width: 760px; padding: 8px; }
.rhythm-list { display: flex; flex-direction: column; }
.rhythm-list li {
 display: grid;
 grid-template-columns: 52px minmax(0, 1fr);
 gap: 12px;
 padding: 16px 14px;
 border-top: 1px solid var(--line);
}
.rhythm-list li:first-child { border-top: 0; }
.step-no {
 width: 36px;
 height: 36px;
 border-radius: 50%;
 background: var(--gradient);
 color: #fff;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 font-size: 14px;
 font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
}
.rhythm-list p, .method-item p, .evidence p { color: var(--muted); margin-top: 6px; font-size: 15px; }
.method-list { display: flex; flex-direction: column; gap: 12px; max-width: 780px; position: relative; }
.method-item {
 display: grid;
 grid-template-columns: 36px minmax(0, 1fr);
 gap: 14px;
 padding: 18px 18px;
 text-decoration: none;
 color: inherit;
 align-items: start;
}
.method-item:hover, .method-item:focus-visible { color: inherit; }
.method-item:hover h3 { color: var(--primary); }
.evidence { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }
.evidence li {
 display: grid;
 grid-template-columns: 92px minmax(0, 1fr);
 gap: 16px;
 padding: 18px;
}
.date-badge { font-size: 13px; color: var(--primary-2); padding-top: 4px; }
.faq { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow); overflow: hidden; }
.faq-q {
 width: 100%;
 text-align: left;
 background: transparent;
 border: 0;
 padding: 16px 18px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 font-size: 17px;
 line-height: 1.45;
}
.faq-q:hover { color: var(--primary); }
.plus { width: 22px; height: 22px; position: relative; flex: none; transition: transform .2s ease; }
.plus::before, .plus::after {
 content: "";
 position: absolute;
 background: currentColor;
 border-radius: 1px;
}
.plus::before { left: 10px; top: 4px; width: 2px; height: 14px; }
.plus::after { left: 4px; top: 10px; width: 14px; height: 2px; }
.faq-item.is-open .plus { transform: rotate(45deg); }
.faq-a { display: none; padding: 14px 18px 16px; border-top: 1px solid var(--line); color: var(--muted); }
.faq-item.is-open .faq-a { display: block; }
.outline-card {
 border: 1px solid var(--ink);
 border-radius: var(--radius-lg);
 background: transparent;
 box-shadow: var(--shadow);
 padding: 36px 32px;
 display: grid;
 grid-template-columns: minmax(0, 1fr) auto;
 gap: 18px;
 align-items: center;
 transition: transform .2s ease, box-shadow .2s ease;
}
.outline-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.outline-card p { color: var(--muted); margin-top: 8px; max-width: 640px; }
.inline-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.site-foot { background: var(--bg-deep); color: #F6F0E8; padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 24px; }
.foot-brand { font-size: 22px; color: #fff; margin-bottom: 10px; }
.foot-title { font-size: 14px; color: #fff; margin-bottom: 10px; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a { color: rgba(246, 240, 232, .84); text-decoration: none; font-size: 14px; }
.foot-links a:hover { color: #fff; }
.copyright {
 border-top: 1px solid rgba(246, 240, 232, .16);
 margin-top: 28px;
 padding-top: 16px;
 font-size: 13px;
 color: rgba(246, 240, 232, .7);
}
section { scroll-margin-top: 84px; }
@media (max-width: 1100px) {
 .nav-toggle { display: inline-flex; }
 .tool-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  margin: 0;
  padding: 8px 20px 16px;
  background: #FFF9F3;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  z-index: 30;
 }
 .tool-nav.is-open { display: flex; }
 .tool-nav a { width: 100%; padding: 12px 0; }
 .tool-nav a.is-current::after { left: 0; bottom: 8px; transform: none; }
 .foot-grid { grid-template-columns: 1fr 1fr; }
 .entry { grid-template-columns: 220px minmax(0, 1fr); }
}
@media (max-width: 760px) {
 .section { padding: 40px 0; }
 h1 { font-size: 34px; }
 h2 { font-size: 26px; }
 .intro-grid, .outline-card, .evidence li, .entry { grid-template-columns: 1fr; }
 .result-badge { justify-self: start; }
 .list-foot { align-items: flex-start; }
 .foot-grid { grid-template-columns: 1fr; }
 .head-tools .status { display: none; }
 .outline-card { padding: 24px 18px; }
}
@media (max-width: 520px) {
 .container { width: min(var(--max), calc(100% - 28px)); }
 .logo { font-size: 16px; }
 .logo span { font-size: 12px; }
 h1 { font-size: 30px; }
 .head-tools .btn { padding: 0 12px; }
 .filter-bar { padding: 14px; }
}