/* roulang page: index */
:root {
  --blue: #1E4E8C;
  --blue-deep: #163E70;
  --blue-press: #12345F;
  --sand: #C4A574;
  --sand-soft: #F6F1E7;
  --sand-ink: #7A6240;
  --cloth: #3D5A80;
  --mist: #F4F7FB;
  --mist-2: #EEF3F8;
  --card: #FFFFFF;
  --ink: #1A2332;
  --muted: #5C6B7A;
  --line: #E2E8F0;
  --ph: #E7EEF6;
  --shadow: 0 8px 24px rgba(26, 35, 50, .06);
  --shadow-hover: 0 14px 32px rgba(26, 35, 50, .10);
  --r-card: 12px;
  --r-btn: 8px;
  --header-h: 72px;
  --font: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --bs-body-font-family: var(--font);
  --bs-body-color: #1A2332;
  --bs-body-bg: #F4F7FB;
  --bs-primary: #1E4E8C;
  --bs-link-color: #163E70;
  --bs-link-hover-color: #12345F;
  --bs-border-color: #E2E8F0;
  --bs-border-radius: 12px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--mist);
  font-size: 16px;
  line-height: 1.75;
  text-align: left;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; color: inherit; }
p { margin: 0 0 12px; }
p:last-child { margin-bottom: 0; }
h1, h2, h3 { color: var(--ink); font-weight: 700; letter-spacing: 0; }
h1 { font-size: 40px; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 28px; line-height: 1.35; margin: 0 0 12px; }
h3 { font-size: 20px; line-height: 1.4; margin: 0 0 8px; }
a { color: var(--blue-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid rgba(30, 78, 140, .45);
  outline-offset: 2px;
}
::selection { background: rgba(30, 78, 140, .16); }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 0; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #fff;
  border-bottom: 1px solid var(--line);
  min-height: var(--header-h);
}
.header-bar {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  flex: 0 0 auto;
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--blue);
  position: relative;
  flex: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-mark i {
  position: absolute;
  left: 8px;
  height: 3px;
  border-radius: 99px;
  background: #fff;
}
.brand-mark i:first-child { top: 11px; width: 18px; }
.brand-mark i:last-child { top: 19px; width: 12px; background: var(--sand); }
.brand-mark::after {
  content: "";
  position: absolute;
  right: 6px;
  bottom: 7px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: #d7e2f0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text span { font-size: 13px; font-weight: 700; color: var(--ink); white-space: nowrap; }
.desk-nav { display: flex; align-items: center; gap: 22px; min-width: 0; }
.desk-nav a {
  position: relative;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  padding: 8px 0 10px;
  white-space: nowrap;
}
.desk-nav a:hover { color: var(--blue); text-decoration: none; }
.desk-nav a.is-active { color: var(--blue); font-weight: 700; }
.desk-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 22px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
.header-tools { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.command-search {
  width: 248px;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 6px 0 12px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.command-search svg { flex: none; color: var(--muted); }
.command-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  outline: none;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ink);
  padding: 0;
}
.command-search input::placeholder { color: #8A97A6; }
.command-search:focus-within { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); border-color: transparent; }
.keycap {
  flex: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 6px;
  font-size: 11px;
  line-height: 1;
  padding: 4px 6px;
  font-family: var(--font);
}
.search-submit {
  flex: none;
  height: 28px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.search-submit:hover { background: var(--blue-deep); }
.search-submit:active { background: var(--blue-press); }
.search-submit:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.quick-link { color: var(--blue-deep); font-size: 14px; font-weight: 600; white-space: nowrap; }
.quick-link:hover { color: var(--blue); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: var(--r-btn);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  text-decoration: none;
}
a.btn:hover, a.btn:focus { text-decoration: none; }
.btn-main { background: var(--blue); color: #fff; box-shadow: var(--shadow); }
a.btn-main, a.btn-main:hover, a.btn-main:focus { color: #fff; }
.btn-main:hover { background: var(--blue-deep); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn-main:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.btn-main:active { background: var(--blue-press); transform: translateY(0); box-shadow: none; }
.btn-ghost { background: #fff; color: var(--blue); border-color: var(--blue); }
a.btn-ghost, a.btn-ghost:hover, a.btn-ghost:focus { color: var(--blue-deep); }
.btn-ghost:hover { background: var(--mist-2); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.btn-ghost:active { background: #e5edf6; transform: translateY(0); }
.header-cta { min-height: 40px; padding: 8px 14px; font-size: 14px; }
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.icon-btn:hover { border-color: #c9d4e2; background: var(--mist); }
.icon-btn:active { background: var(--mist-2); }
.nav-drawer { width: min(380px, 100%); background: #fff; }
.nav-drawer .offcanvas-header { border-bottom: 1px solid var(--line); min-height: 64px; }
.nav-drawer .offcanvas-body { display: flex; flex-direction: column; gap: 18px; padding: 18px; }
.drawer-search { width: 100%; height: 46px; }
.drawer-nav { display: flex; flex-direction: column; }
.drawer-nav a {
  display: inline-block;
  width: fit-content;
  padding: 12px 0;
  color: var(--ink);
  font-weight: 650;
  border-bottom: 1px solid var(--line);
}
.drawer-nav a:hover { color: var(--blue); text-decoration: none; }
.drawer-nav a.is-active { color: var(--blue); box-shadow: inset 0 -2px 0 var(--blue); }
.drawer-cta { margin-top: auto; width: 100%; }
.band { padding: 88px 0; }
.band-white { background: #fff; }
.band-mist { background: var(--mist); }
.band-soft { background: var(--mist-2); }
.sec-head { max-width: 760px; margin-bottom: 28px; }
.sec-head p, .hero-lead, .muted { color: var(--muted); }
.hero { padding: 64px 0 88px; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 34px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--cloth);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--sand);
  border-radius: 99px;
}
.hero-sub { margin: 0 0 14px; font-size: 16px; line-height: 1.75; color: var(--ink); font-weight: 600; }
.hero-lead { margin-bottom: 22px; max-width: 540px; }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.kpi-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
}
.kpi-row li { min-width: 92px; }
.kpi-row b { display: block; font-size: 26px; line-height: 1.2; color: var(--blue); font-weight: 750; }
.kpi-row span { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; }
.preview-shift { transform: rotate(-3deg) translate(16px, 14px); }
.preview-board { display: grid; gap: 14px; }
.preview-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 12px;
}
.preview-card:nth-child(2) { transform: translate(22px, -6px) rotate(1.5deg); width: min(92%, 520px); margin-left: auto; }
.ph {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-card);
  background: var(--ph);
  overflow: hidden;
}
.ph.ratio-32 { aspect-ratio: 3 / 2; }
.ph-tag {
  position: absolute;
  left: 10px;
  top: 10px;
  background: rgba(255,255,255,.92);
  color: var(--cloth);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
}
.sub-bar {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  height: 7px;
  border-radius: 999px;
  background: var(--sand);
}
.preview-meta { padding: 10px 4px 2px; }
.preview-meta strong { display: block; font-size: 15px; line-height: 1.45; margin-bottom: 6px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; }
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--mist-2);
  color: var(--cloth);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
  white-space: nowrap;
}
.badge-sand { background: var(--sand-soft); color: var(--sand-ink); }
.badge-blue { background: rgba(30, 78, 140, .08); color: var(--blue); }
.pain-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.pain-item {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--blue);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  max-width: 860px;
}
.pain-item:nth-child(2) { margin-left: 48px; border-left-color: var(--cloth); }
.pain-item:nth-child(3) { margin-left: 96px; border-left-color: var(--sand); }
.pain-kicker { display: block; color: var(--blue); font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.pain-item h3 { font-size: 20px; }
.pain-item p { color: var(--muted); margin: 0; }
.step-strip {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  counter-reset: stepn;
}
.step-strip li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 22px 20px 20px;
  position: relative;
}
.step-strip li::before {
  counter-increment: stepn;
  content: counter(stepn, decimal-leading-zero);
  display: block;
  color: var(--sand-ink);
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 10px;
}
.step-strip p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.vsteps { list-style: none; padding: 0; margin: 0; max-width: 860px; }
.vsteps li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.vsteps li:first-child { border-top: 1px solid var(--line); }
.step-no {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 750;
}
.vsteps p { color: var(--muted); margin: 0; }
.entry-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.entry-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  min-height: 230px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 24px;
  color: var(--ink);
  transition: transform .2s ease, box-shadow .2s ease;
}
.entry-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); text-decoration: none; color: var(--ink); }
.entry-card:hover h3 { color: var(--blue); }
.entry-card p { color: var(--muted); }
.entry-go { margin-top: auto; color: var(--blue); font-weight: 700; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.split-col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 22px;
}
.split-col h3 { display: flex; align-items: center; gap: 8px; }
.split-col h3::before { content: ""; width: 8px; height: 8px; border-radius: 99px; background: var(--blue); }
.split-col:last-child h3::before { background: var(--sand); }
.detail-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 12px; }
.detail-list li {
  padding-left: 14px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.detail-list b { color: var(--ink); font-weight: 700; }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat-item {
  background: #fff;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px 18px;
}
.stat-item b { display: block; font-size: 40px; line-height: 1.1; color: var(--blue); font-weight: 760; }
.stat-item span { display: block; margin-top: 8px; color: var(--ink); font-weight: 700; }
.stat-item small { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.stat-note { margin-top: 16px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.pick-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: start; }
.pick-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.pick-card.tall { transform: translateY(8px); }
.pick-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.pick-link { display: block; color: inherit; padding: 12px; }
.pick-link:hover { text-decoration: none; color: inherit; }
.pick-card:hover h3 { color: var(--blue); }
.pick-body { padding: 12px 4px 4px; }
.pick-body .badge { margin-bottom: 8px; }
.pick-body p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.more-row { display: flex; justify-content: flex-end; margin-top: 18px; }
.more-link { font-weight: 750; color: var(--blue-deep); }
.more-link:hover { color: var(--blue); }
.quote-list { display: grid; gap: 14px; }
.quote-bar {
  margin: 0;
  background: #fff;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  border-left: 4px solid var(--cloth);
}
.quote-bar:last-child { border-left-color: var(--sand); }
.quote-bar p { font-size: 18px; line-height: 1.7; margin-bottom: 10px; }
.quote-role { color: var(--muted); font-size: 14px; font-style: normal; }
.tag-groups { background: #fff; border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow); padding: 6px 22px; }
.tag-row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 8px 24px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.tag-row:last-child { border-bottom: 0; }
.tag-row p { grid-column: 1; color: var(--muted); font-size: 14px; margin: 0; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; grid-column: 2; grid-row: 1 / span 2; align-content: center; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--mist);
  color: var(--cloth);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 650;
}
.news-list { display: grid; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow); }
.news-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.news-item:last-child { border-bottom: 0; }
.news-date { color: var(--blue); font-weight: 750; font-variant-numeric: tabular-nums; }
.news-main a { font-weight: 750; font-size: 18px; line-height: 1.45; color: var(--ink); }
.news-main a:hover { color: var(--blue); }
.news-main p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.meter-list { display: grid; gap: 14px; }
.meter-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 72px;
  gap: 14px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
}
.meter-row b { font-size: 15px; }
.meter-row em { font-style: normal; color: var(--muted); font-size: 13px; display: block; }
.meter { height: 8px; background: #e6edf5; border-radius: 999px; overflow: hidden; }
.meter-fill { display: block; height: 100%; background: var(--cloth); border-radius: inherit; }
.meter-row:nth-child(2) .meter-fill { background: var(--blue); }
.meter-row:nth-child(3) .meter-fill { background: var(--sand); }
.meter-num { text-align: right; font-weight: 760; color: var(--blue-deep); }
.scene-grid { display: grid; grid-template-columns: 1.35fr 1fr .9fr; gap: 18px; align-items: stretch; }
.scene {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.scene .ph { aspect-ratio: 16 / 10; }
.scene p { color: var(--muted); }
.scene a { font-weight: 750; margin-top: auto; }
.acc-list { display: grid; gap: 10px; max-width: 860px; }
.acc-item { background: #fff; border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow); overflow: hidden; }
.acc-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  background: #fff;
  border: 0;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 750;
  color: var(--ink);
  cursor: pointer;
}
.acc-btn::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
  flex: none;
}
.acc-btn[aria-expanded="true"]::after { transform: rotate(-135deg) translate(-2px, -2px); }
.acc-btn:hover { background: var(--mist); }
.acc-panel { padding: 0 18px 16px; color: var(--muted); }
.cta-band {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 36px 32px;
}
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 42px 0 20px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 28px; }
.foot-grid h2 { font-size: 16px; margin-bottom: 12px; }
.foot-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot-links a { color: var(--muted); }
.foot-links a:hover { color: var(--blue); }
.foot-note { color: var(--muted); font-size: 14px; line-height: 1.7; }
.foot-base {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
@media (max-width: 1199.98px) {
  .command-search { width: 190px; }
  .keycap { display: none; }
  .desk-nav { gap: 16px; }
}
@media (max-width: 991.98px) {
  .desk-nav, .command-search, .quick-link, .header-cta { display: none; }
  .hero-grid, .entry-grid, .split, .scene-grid { grid-template-columns: 1fr; }
  .preview-shift, .preview-card:nth-child(2) { transform: none; width: 100%; margin: 0; }
  .pick-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .band { padding: 48px 0; }
  .hero { padding: 36px 0 48px; }
  h1 { font-size: 32px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  .pain-item, .pain-item:nth-child(2), .pain-item:nth-child(3) { margin-left: 0; }
  .step-strip, .pick-grid, .tag-row, .news-item, .meter-row { grid-template-columns: 1fr; }
  .tags { grid-column: 1; grid-row: auto; }
  .meter-num { text-align: left; }
  .pick-card.tall { transform: none; }
  .foot-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 24px 18px; }
}
@media (max-width: 575.98px) {
  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  .container { width: min(1180px, calc(100% - 24px)); }
  .stat-grid, .pick-grid { grid-template-columns: 1fr; }
  .stat-item b { font-size: 34px; }
  .hero-actions .btn, .cta-actions .btn, .drawer-cta { width: 100%; }
  .kpi-row b { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category2 */
:root {
 --blue: #1E4E8C;
 --blue-deep: #163E70;
 --blue-press: #12345F;
 --sand: #C4A574;
 --sand-soft: #F6F1E7;
 --sand-ink: #7A6240;
 --cloth: #3D5A80;
 --mist: #F4F7FB;
 --mist-2: #EEF3F8;
 --card: #FFFFFF;
 --ink: #1A2332;
 --muted: #5C6B7A;
 --line: #E2E8F0;
 --ph: #E7EEF6;
 --shadow: 0 8px 24px rgba(26, 35, 50, .06);
 --shadow-hover: 0 14px 32px rgba(26, 35, 50, .10);
 --r-card: 12px;
 --r-btn: 8px;
 --header-h: 72px;
 --font: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
 --bs-body-font-family: var(--font);
 --bs-body-color: #1A2332;
 --bs-body-bg: #F4F7FB;
 --bs-primary: #1E4E8C;
 --bs-link-color: #163E70;
 --bs-link-hover-color: #12345F;
 --bs-border-color: #E2E8F0;
 --bs-border-radius: 12px;
}
/* roulang page: category2 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--ink);
 background: var(--mist);
 font-size: 16px;
 line-height: 1.75;
 text-align: left;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; color: inherit; }
a { color: var(--blue-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
 outline: 2px solid rgba(30, 78, 140, .45);
 outline-offset: 2px;
}
p { margin: 0 0 12px; }
h1, h2, h3 { color: var(--ink); font-weight: 700; letter-spacing: 0; margin: 0; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 0; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 1030;
 background: #fff;
 border-bottom: 1px solid var(--line);
 min-height: var(--header-h);
}
.header-bar {
 min-height: var(--header-h);
 display: flex;
 align-items: center;
 gap: 22px;
}
.brand {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--ink);
 flex: 0 0 auto;
 text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand-mark {
 width: 36px;
 height: 36px;
 border-radius: 9px;
 background: var(--blue);
 position: relative;
 flex: none;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-mark i {
 position: absolute;
 left: 8px;
 height: 3px;
 border-radius: 99px;
 background: #fff;
 display: block;
}
.brand-mark i:first-child { top: 11px; width: 18px; }
.brand-mark i:last-child { top: 19px; width: 12px; background: var(--sand); }
.brand-mark::after {
 content: "";
 position: absolute;
 right: 6px;
 bottom: 7px;
 width: 6px;
 height: 6px;
 border-radius: 2px;
 background: #d7e2f0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text span { font-size: 13px; font-weight: 700; color: var(--ink); white-space: nowrap; }
.desk-nav { display: flex; align-items: center; gap: 22px; min-width: 0; }
.desk-nav a {
 position: relative;
 color: var(--ink);
 font-size: 14px;
 font-weight: 600;
 line-height: 1.4;
 padding: 8px 0 10px;
 white-space: nowrap;
}
.desk-nav a:hover { color: var(--blue); text-decoration: none; }
.desk-nav a.is-active { color: var(--blue); font-weight: 700; }
.desk-nav a.is-active::after {
 content: "";
 position: absolute;
 left: 0;
 bottom: 0;
 width: 22px;
 height: 2px;
 background: var(--blue);
 border-radius: 2px;
}
.header-tools { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.command-search {
 width: 248px;
 height: 40px;
 display: flex;
 align-items: center;
 gap: 8px;
 padding: 0 6px 0 12px;
 background: var(--mist);
 border: 1px solid var(--line);
 border-radius: 999px;
}
.command-search svg { flex: none; color: var(--muted); }
.command-search input {
 width: 100%;
 min-width: 0;
 border: 0;
 background: transparent;
 outline: none;
 font-size: 13px;
 line-height: 1.4;
 color: var(--ink);
 padding: 0;
}
.command-search input::placeholder { color: #8A97A6; }
.command-search:focus-within { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); border-color: transparent; }
.search-submit {
 flex: none;
 height: 28px;
 padding: 0 10px;
 border: 0;
 border-radius: 999px;
 background: var(--blue);
 color: #fff;
 font-size: 12px;
 font-weight: 600;
 cursor: pointer;
}
.search-submit:hover { background: var(--blue-deep); }
.search-submit:active { background: var(--blue-press); }
.search-submit:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 10px 18px;
 border-radius: var(--r-btn);
 border: 1px solid transparent;
 font-size: 15px;
 font-weight: 650;
 line-height: 1.2;
 cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
 text-decoration: none;
 background: transparent;
}
a.btn:hover, a.btn:focus { text-decoration: none; }
.btn-main { background: var(--blue); color: #fff; box-shadow: var(--shadow); border-color: var(--blue); }
a.btn-main, a.btn-main:hover, a.btn-main:focus { color: #fff; }
.btn-main:hover { background: var(--blue-deep); border-color: var(--blue-deep); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn-main:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.btn-main:active { background: var(--blue-press); border-color: var(--blue-press); transform: translateY(0); box-shadow: none; }
.btn-ghost { background: #fff; color: var(--blue); border-color: var(--blue); }
a.btn-ghost, a.btn-ghost:hover, a.btn-ghost:focus { color: var(--blue-deep); }
.btn-ghost:hover { background: var(--mist-2); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.btn-ghost:active { background: #e5edf6; transform: translateY(0); }
.header-cta { min-height: 40px; padding: 8px 14px; font-size: 14px; }
.header-jump { color: var(--ink); font-size: 14px; font-weight: 600; white-space: nowrap; }
.header-jump:hover { color: var(--blue); text-decoration: none; }
.icon-btn {
 width: 40px;
 height: 40px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 display: none;
 align-items: center;
 justify-content: center;
 padding: 0;
 cursor: pointer;
}
.icon-btn:hover { border-color: #c9d4e2; background: var(--mist); }
.icon-btn:active { background: var(--mist-2); }
.nav-drawer { width: min(380px, 100%); background: #fff; }
.nav-drawer .offcanvas-header { border-bottom: 1px solid var(--line); min-height: 64px; padding: 12px 18px; }
.nav-drawer .offcanvas-title { font-size: 14px; font-weight: 700; color: var(--ink); }
.nav-drawer .offcanvas-body { display: flex; flex-direction: column; gap: 18px; padding: 18px; }
.drawer-search { width: 100%; }
.drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.drawer-nav a {
 color: var(--ink);
 font-size: 16px;
 font-weight: 600;
 padding: 12px 4px;
 border-bottom: 1px solid var(--line);
 text-decoration: none;
}
.drawer-nav a:hover { color: var(--blue); }
.drawer-nav a.is-active { color: var(--blue); }
.drawer-cta { margin-top: auto; width: 100%; }
.page-head { background: #fff; border-bottom: 1px solid var(--line); padding: 28px 0 22px; }
.page-head h1 { font-size: 40px; line-height: 1.25; max-width: 18em; }
.count-line { margin: 10px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.sort-band { background: var(--mist); border-bottom: 1px solid var(--line); padding: 16px 0; }
.sort-row { display: flex; align-items: center; gap: 16px 22px; flex-wrap: wrap; }
.sort-label { font-size: 13px; font-weight: 700; color: var(--cloth); white-space: nowrap; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.seg button {
 border: 0;
 border-right: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 font-size: 14px;
 font-weight: 600;
 line-height: 1.4;
 padding: 8px 14px;
 cursor: pointer;
}
.seg button:last-child { border-right: 0; }
.seg button:hover { background: var(--mist-2); color: var(--blue); }
.seg button:active { background: #e5edf6; }
.seg button.is-on { background: var(--blue); color: #fff; }
.seg button.is-on:hover { background: var(--blue-deep); color: #fff; }
.sort-gap { width: 1px; height: 28px; background: var(--line); }
.mag-wrap { background: #fff; }
.mag-layout {
 width: min(1180px, calc(100% - 32px));
 margin: 0 auto;
 display: grid;
 grid-template-columns: minmax(0, 1fr) 300px;
 column-gap: 28px;
 align-items: start;
}
.sheet, .rail { padding: 88px 0; }
.section-kicker { font-size: 13px; font-weight: 700; color: var(--sand-ink); letter-spacing: .04em; margin-bottom: 8px; }
.sheet h2, .band h2, .rail h2 { font-size: 28px; line-height: 1.35; margin-bottom: 18px; }
.entry-list { display: flex; flex-direction: column; gap: 16px; }
.entry {
 display: grid;
 grid-template-columns: 280px minmax(0, 1fr);
 gap: 18px;
 padding: 14px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.entry:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); border-color: #d5e0ec; }
.cover {
 position: relative;
 aspect-ratio: 16/9;
 border-radius: var(--r-card);
 background:
 linear-gradient(180deg, rgba(30,78,140,.05), rgba(61,90,128,.08)),
 var(--ph);
 overflow: hidden;
}
.cover::before {
 content: "";
 position: absolute;
 left: 16px;
 right: 16px;
 top: 22px;
 height: 10px;
 border-radius: 6px;
 background: rgba(61,90,128,.16);
}
.cover::after {
 content: "";
 position: absolute;
 left: 16px;
 width: 46%;
 top: 40px;
 height: 8px;
 border-radius: 6px;
 background: rgba(30,78,140,.12);
}
.sub-bar {
 position: absolute;
 left: 12px;
 right: 12px;
 bottom: 12px;
 height: 8px;
 border-radius: 999px;
 background: var(--sand);
 opacity: .85;
}
.cover-tag {
 position: absolute;
 top: 10px;
 right: 10px;
 height: 24px;
 padding: 0 8px;
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 background: rgba(26,35,50,.72);
 color: #fff;
 font-size: 12px;
 font-weight: 650;
 line-height: 1;
}
.entry-body { min-width: 0; padding: 4px 6px 4px 0; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.badge-soft, .badge-cloth {
 display: inline-flex;
 align-items: center;
 height: 24px;
 padding: 0 8px;
 border-radius: 999px;
 font-size: 12px;
 font-weight: 650;
 line-height: 1;
}
.badge-soft { background: var(--sand-soft); color: var(--sand-ink); }
.badge-cloth { background: #e8eef5; color: var(--cloth); }
.entry h3 { font-size: 20px; line-height: 1.4; margin-bottom: 8px; }
.entry p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0 0 10px; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--ink); font-size: 13px; line-height: 1.6; }
.meta-line span { position: relative; }
.meta-line span + span::before {
 content: "";
 position: absolute;
 left: -8px;
 top: 7px;
 width: 3px;
 height: 3px;
 border-radius: 50%;
 background: var(--sand);
}
.rail-stack { display: flex; flex-direction: column; gap: 14px; }
.metric-card {
 background: var(--mist);
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 padding: 16px 16px 14px;
}
.metric-card strong { display: block; font-size: 28px; line-height: 1.2; color: var(--blue); font-weight: 700; }
.metric-card b { font-weight: 700; color: var(--ink); font-size: 15px; }
.metric-card p { margin: 6px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.metric-card .mark-list { margin: 8px 0 0; padding: 0; list-style: none; }
.metric-card .mark-list li {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 padding: 8px 0;
 border-top: 1px solid var(--line);
 font-size: 14px;
 color: var(--ink);
}
.band { padding: 88px 0; }
.band-mist { background: var(--mist); }
.band-alt { background: var(--mist-2); }
.band-white { background: #fff; }
.lead-note { max-width: 720px; color: var(--muted); font-size: 16px; line-height: 1.75; margin: -6px 0 22px; }
.listen-list { display: grid; grid-template-columns: 1.3fr .85fr .85fr; gap: 16px; }
.listen-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 18px 18px 16px;
}
.listen-item:first-child { background: #fff; border-top: 3px solid var(--sand); }
.listen-item h3 { font-size: 20px; line-height: 1.4; margin: 8px 0; }
.listen-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.idx { font-size: 12px; font-weight: 700; color: var(--blue); }
.adult-panel {
 display: grid;
 grid-template-columns: 220px minmax(0, 1fr);
 gap: 28px;
 align-items: start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 22px;
}
.adult-panel h2 { margin: 0; }
.adult-panel p { margin: 0; color: var(--muted); }
.adult-panel ul { margin: 12px 0 0; padding: 0; list-style: none; }
.adult-panel li {
 position: relative;
 padding-left: 14px;
 margin: 0 0 8px;
 color: var(--ink);
 font-size: 15px;
}
.adult-panel li::before {
 content: "";
 position: absolute;
 left: 0;
 top: 10px;
 width: 6px;
 height: 6px;
 border-radius: 2px;
 background: var(--cloth);
}
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 860px; }
.faq-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
}
.faq-item summary {
 list-style: none;
 cursor: pointer;
 padding: 16px 18px;
 font-weight: 700;
 font-size: 16px;
 line-height: 1.5;
 color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
 content: "";
 float: right;
 width: 8px;
 height: 8px;
 margin-top: 8px;
 border-right: 2px solid var(--blue);
 border-bottom: 2px solid var(--blue);
 transform: rotate(45deg);
}
.faq-item[open] summary::after { transform: rotate(225deg); margin-top: 12px; }
.faq-item[open] { border-color: #c9d6e6; }
.faq-item p { padding: 0 18px 16px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.end-cta { background: var(--mist-2); }
.cta-box {
 display: flex;
 align-items: flex-end;
 justify-content: space-between;
 gap: 24px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 28px;
}
.cta-box h2 { font-size: 28px; line-height: 1.35; margin-bottom: 8px; }
.cta-box p { margin: 0; color: var(--muted); max-width: 36em; }
.cta-actions { display: flex; gap: 10px; flex: none; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 22px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 32px; }
.site-footer h2 { font-size: 16px; line-height: 1.4; margin-bottom: 12px; }
.foot-note { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links a { color: var(--blue-deep); font-size: 14px; line-height: 1.9; }
.foot-links a:hover { text-decoration: underline; }
.foot-base {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 margin-top: 28px;
 padding-top: 16px;
 border-top: 1px solid var(--line);
 color: var(--muted);
 font-size: 13px;
}
@media (max-width: 1199.98px) {
 .container, .mag-layout { width: min(1140px, calc(100% - 32px)); }
}
@media (max-width: 991.98px) {
 .desk-nav, .command-search, .header-jump, .header-cta { display: none; }
 .icon-btn { display: inline-flex; }
 .mag-layout { grid-template-columns: 1fr; }
 .rail { padding-top: 0; }
 .listen-list { grid-template-columns: 1fr; }
 .adult-panel { grid-template-columns: 1fr; gap: 12px; }
 .foot-grid { grid-template-columns: 1fr 1fr; }
 .cta-box { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767.98px) {
 .band, .sheet { padding: 48px 0; }
 .rail { padding: 0 0 48px; }
 .page-head h1 { font-size: 28px; }
 .sheet h2, .band h2, .cta-box h2 { font-size: 24px; }
 .entry { grid-template-columns: 1fr; }
 .foot-grid { grid-template-columns: 1fr; gap: 22px; }
 .foot-base { flex-direction: column; }
 .sort-gap { display: none; }
}
@media (max-width: 575.98px) {
 .header-bar { gap: 10px; }
 .brand-text span { font-size: 12px; }
 .page-head { padding: 22px 0 16px; }
 .cta-actions, .cta-actions .btn { width: 100%; }
 .seg { width: 100%; }
 .seg button { flex: 1; padding-left: 8px; padding-right: 8px; }
}

/* roulang page: category1 */
:root {
 --blue: #1E4E8C;
 --blue-deep: #163E70;
 --blue-press: #12345F;
 --sand: #C4A574;
 --sand-soft: #F6F1E7;
 --sand-ink: #7A6240;
 --cloth: #3D5A80;
 --mist: #F4F7FB;
 --mist-2: #EEF3F8;
 --card: #FFFFFF;
 --ink: #1A2332;
 --muted: #5C6B7A;
 --line: #E2E8F0;
 --ph: #E7EEF6;
 --shadow: 0 8px 24px rgba(26, 35, 50, .06);
 --shadow-hover: 0 14px 32px rgba(26, 35, 50, .10);
 --r-card: 12px;
 --r-btn: 8px;
 --header-h: 72px;
 --font: "PingFang SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
 --bs-body-font-family: var(--font);
 --bs-body-color: #1A2332;
 --bs-body-bg: #F4F7FB;
 --bs-primary: #1E4E8C;
 --bs-link-color: #163E70;
 --bs-link-hover-color: #12345F;
 --bs-border-color: #E2E8F0;
 --bs-border-radius: 12px;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 color: var(--ink);
 background: var(--mist);
 font-size: 16px;
 line-height: 1.75;
 text-align: left;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; color: inherit; }
a { color: var(--blue-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible {
 outline: 2px solid rgba(30, 78, 140, .45);
 outline-offset: 2px;
}
p { margin: 0 0 12px; }
h1, h2, h3 { color: var(--ink); font-weight: 700; text-align: left; }
h1 { font-size: 40px; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 28px; line-height: 1.35; margin: 0 0 16px; }
h3 { font-size: 20px; line-height: 1.4; margin: 0 0 8px; }
.container { width: min(1180px, calc(100% - 32px)); max-width: 1180px; margin: 0 auto; padding: 0; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 1030;
 background: #fff;
 border-bottom: 1px solid var(--line);
 min-height: var(--header-h);
}
.header-bar {
 min-height: var(--header-h);
 display: flex;
 align-items: center;
 gap: 22px;
}
.brand {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--ink);
 flex: 0 0 auto;
 text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand-mark {
 width: 36px;
 height: 36px;
 border-radius: 9px;
 background: var(--blue);
 position: relative;
 flex: none;
 box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-mark i {
 position: absolute;
 left: 8px;
 height: 3px;
 border-radius: 99px;
 background: #fff;
 font-style: normal;
}
.brand-mark i:first-child { top: 11px; width: 18px; }
.brand-mark i:last-child { top: 19px; width: 12px; background: var(--sand); }
.brand-mark::after {
 content: "";
 position: absolute;
 right: 6px;
 bottom: 7px;
 width: 6px;
 height: 6px;
 border-radius: 2px;
 background: #d7e2f0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text span { font-size: 13px; font-weight: 700; color: var(--ink); white-space: nowrap; }
.desk-nav { display: flex; align-items: center; gap: 22px; min-width: 0; }
.desk-nav a {
 position: relative;
 color: var(--ink);
 font-size: 14px;
 font-weight: 600;
 line-height: 1.4;
 padding: 8px 0 10px;
 white-space: nowrap;
}
.desk-nav a:hover { color: var(--blue); text-decoration: none; }
.desk-nav a.is-active { color: var(--blue); font-weight: 700; }
.desk-nav a.is-active::after {
 content: "";
 position: absolute;
 left: 0;
 bottom: 0;
 width: 22px;
 height: 2px;
 background: var(--blue);
 border-radius: 2px;
}
.header-tools { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.command-search {
 width: 248px;
 height: 40px;
 display: flex;
 align-items: center;
 gap: 8px;
 padding: 0 6px 0 12px;
 background: var(--mist);
 border: 1px solid var(--line);
 border-radius: 999px;
}
.command-search svg { flex: none; color: var(--muted); }
.command-search input {
 width: 100%;
 min-width: 0;
 border: 0;
 background: transparent;
 outline: none;
 font-size: 13px;
 line-height: 1.4;
 color: var(--ink);
 padding: 0;
}
.command-search input::placeholder { color: #8A97A6; }
.command-search:focus-within { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); border-color: transparent; }
.search-submit {
 flex: none;
 height: 28px;
 padding: 0 10px;
 border: 0;
 border-radius: 999px;
 background: var(--blue);
 color: #fff;
 font-size: 12px;
 font-weight: 600;
 cursor: pointer;
}
.search-submit:hover { background: var(--blue-deep); }
.search-submit:active { background: var(--blue-press); }
.search-submit:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.keycap {
 flex: none;
 height: 22px;
 padding: 0 6px;
 border-radius: 6px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--muted);
 font-size: 11px;
 line-height: 20px;
 font-weight: 700;
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 42px;
 padding: 10px 18px;
 border-radius: var(--r-btn);
 border: 1px solid transparent;
 font-size: 15px;
 font-weight: 650;
 line-height: 1.2;
 cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
 text-decoration: none;
}
a.btn:hover, a.btn:focus { text-decoration: none; }
.btn.btn-main, .btn.btn-main:focus {
 background: var(--blue);
 color: #fff;
 border-color: var(--blue);
 box-shadow: var(--shadow);
}
a.btn-main, a.btn-main:hover, a.btn-main:focus { color: #fff; }
.btn.btn-main:hover { background: var(--blue-deep); border-color: var(--blue-deep); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn.btn-main:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.btn.btn-main:active { background: var(--blue-press); border-color: var(--blue-press); transform: translateY(0); box-shadow: none; }
.btn.btn-ghost {
 background: #fff;
 color: var(--blue);
 border-color: var(--blue);
}
a.btn-ghost, a.btn-ghost:hover, a.btn-ghost:focus { color: var(--blue-deep); }
.btn.btn-ghost:hover { background: var(--mist-2); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.btn-ghost:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.btn.btn-ghost:active { background: #e5edf6; transform: translateY(0); }
.header-cta { min-height: 40px; padding: 8px 14px; font-size: 14px; }
.text-shortcut { color: var(--ink); font-size: 14px; font-weight: 650; white-space: nowrap; }
.text-shortcut:hover { color: var(--blue); text-decoration: none; }
.icon-btn {
 width: 40px;
 height: 40px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 display: inline-flex;
 align-items: center;
 justify-content: center;
 padding: 0;
}
.icon-btn:hover { border-color: #c9d4e2; background: var(--mist); }
.icon-btn:active { background: var(--mist-2); }
.mobile-only { display: none; }
.nav-drawer { width: min(380px, 100%); background: #fff; color: var(--ink); }
.nav-drawer .offcanvas-header { border-bottom: 1px solid var(--line); min-height: 64px; }
.nav-drawer .offcanvas-body { display: flex; flex-direction: column; gap: 18px; padding: 18px; }
.drawer-search { width: 100%; }
.drawer-nav { display: flex; flex-direction: column; }
.drawer-nav a {
 display: block;
 padding: 12px 0;
 border-bottom: 1px solid var(--line);
 color: var(--ink);
 font-weight: 650;
 font-size: 16px;
}
.drawer-nav a:hover { color: var(--blue); text-decoration: none; }
.drawer-nav a.is-active { color: var(--blue); }
.drawer-extra { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.drawer-extra .btn { width: 100%; }
.block { padding: 88px 0; }
.block-a { background: var(--mist); }
.block-b { background: #fff; }
.block-c { background: var(--mist-2); }
.kicker { margin: 0 0 8px; color: var(--sand-ink); font-size: 13px; font-weight: 700; }
.lead-line { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; max-width: 640px; }
.head-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr); gap: 28px; align-items: start; }
.summary-bar {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 8px 18px 14px;
}
.summary-kicker { margin: 12px 0 0; font-size: 13px; font-weight: 700; color: var(--cloth); }
.summary-row {
 display: flex;
 align-items: baseline;
 justify-content: space-between;
 gap: 12px;
 padding: 12px 0;
 border-bottom: 1px solid var(--line);
 font-size: 14px;
 color: var(--muted);
}
.summary-row strong { color: var(--blue); font-size: 22px; line-height: 1.2; font-weight: 700; }
.caliber { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 18px; }
.section-head p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.result-count { color: var(--blue); font-weight: 700; white-space: nowrap; }
.chip-board { display: flex; flex-direction: column; gap: 14px; }
.chip-line { display: flex; align-items: flex-start; gap: 12px; }
.chip-name { flex: none; width: 52px; padding-top: 6px; color: var(--cloth); font-size: 14px; font-weight: 700; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 border-radius: 999px;
 min-height: 34px;
 padding: 6px 12px;
 font-size: 13px;
 font-weight: 600;
 line-height: 1.4;
 cursor: pointer;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.is-on { background: var(--blue); border-color: var(--blue); color: #fff; }
.chip:active { transform: translateY(1px); }
.chip:focus-visible { box-shadow: 0 0 0 2px rgba(30, 78, 140, .30); }
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.scene-card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 overflow: hidden;
 transition: transform .2s ease, box-shadow .2s ease;
}
.scene-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.scene-card[hidden] { display: none !important; }
.cover {
 position: relative;
 display: block;
 aspect-ratio: 16 / 9;
 background: var(--ph);
}
.cover-label {
 position: absolute;
 left: 14px;
 top: 14px;
 padding: 4px 8px;
 border-radius: 999px;
 background: rgba(255,255,255,.92);
 color: var(--cloth);
 font-size: 12px;
 font-weight: 700;
 line-height: 1.4;
}
.cover::after {
 content: "";
 position: absolute;
 left: 14px;
 right: 14px;
 bottom: 12px;
 height: 6px;
 border-radius: 99px;
 background: var(--sand);
}
.duration {
 position: absolute;
 right: 14px;
 bottom: 26px;
 color: var(--blue-deep);
 font-size: 12px;
 font-weight: 700;
}
.scene-body { padding: 14px 16px 16px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 24px;
 padding: 2px 10px;
 border-radius: 999px;
 background: #e7eef8;
 color: var(--blue-deep);
 font-size: 12px;
 font-weight: 700;
 line-height: 1.5;
}
.tag-sand { background: var(--sand-soft); color: var(--sand-ink); }
.tag-cloth { background: #e8eef5; color: var(--cloth); }
.scene-body h3 { font-size: 20px; line-height: 1.4; }
.scene-body p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.meta-line { margin-top: 10px; color: var(--ink); font-size: 13px; line-height: 1.6; }
.empty-note {
 display: none;
 margin-top: 16px;
 padding: 18px;
 border: 1px dashed var(--line);
 border-radius: var(--r-card);
 background: #fff;
 color: var(--muted);
}
.empty-note.show { display: block; }
.element-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.element-list li {
 display: grid;
 grid-template-columns: 64px minmax(0, 1fr);
 gap: 14px;
 align-items: start;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 16px 18px;
}
.element-list b {
 color: var(--blue);
 font-size: 20px;
 line-height: 1.4;
}
.element-list p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare article {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 22px 22px 8px;
}
.compare ul { margin: 0 0 12px; padding: 0; list-style: none; }
.compare li {
 position: relative;
 padding: 10px 0 10px 16px;
 border-top: 1px solid var(--line);
 color: var(--ink);
 font-size: 15px;
}
.compare li::before {
 content: "";
 position: absolute;
 left: 0;
 top: 18px;
 width: 6px;
 height: 6px;
 border-radius: 99px;
 background: var(--sand);
}
.rhythm { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.rhythm-step {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 18px 16px;
}
.rhythm-step span { display: block; color: var(--muted); font-size: 13px; line-height: 1.6; }
.rhythm-step strong { display: block; margin-bottom: 6px; color: var(--blue); font-size: 22px; line-height: 1.3; }
.note-list { list-style: none; margin: 0; padding: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow); }
.note-list li { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 16px; align-items: center; padding: 16px 18px; border-top: 1px solid var(--line); }
.note-list li:first-child { border-top: 0; }
.note-list time { color: var(--sand-ink); font-size: 14px; font-weight: 700; }
.note-list a { color: var(--ink); font-weight: 700; }
.note-list a:hover { color: var(--blue); }
.more-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--r-card);
 box-shadow: var(--shadow);
 padding: 28px;
}
.more-bar p { margin: 0; color: var(--muted); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 20px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr 1.2fr; gap: 32px; }
.site-footer h2 { font-size: 16px; line-height: 1.4; margin: 0 0 12px; }
.foot-note { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { margin: 0 0 8px; }
.foot-links a { color: var(--blue-deep); font-size: 14px; }
.foot-links a:hover { color: var(--blue); }
.foot-base {
 margin-top: 28px;
 padding-top: 16px;
 border-top: 1px solid var(--line);
 display: flex;
 justify-content: space-between;
 gap: 12px;
 color: var(--muted);
 font-size: 13px;
 line-height: 1.6;
}
@media (max-width: 1199.98px) {
 .command-search { width: 186px; }
}
@media (max-width: 991.98px) {
 .desk-nav, .header-tools .command-search, .header-tools .text-shortcut, .header-tools .header-cta { display: none !important; }
 .mobile-only { display: inline-flex; }
 .head-grid, .compare { grid-template-columns: 1fr; }
 .rhythm { grid-template-columns: 1fr 1fr; }
 .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
 .block { padding: 48px 0; }
 h1 { font-size: 28px; }
 h2 { font-size: 24px; }
 .card-grid, .foot-grid, .more-bar, .note-list li, .element-list li { grid-template-columns: 1fr; }
 .section-head, .more-bar, .foot-base { align-items: flex-start; flex-direction: column; }
 .chip-line { flex-direction: column; gap: 8px; }
 .chip-name { width: auto; padding-top: 0; }
}
@media (max-width: 575.98px) {
 .brand-text span { font-size: 12px; }
 .header-bar { gap: 10px; }
 .rhythm { grid-template-columns: 1fr; }
 .container { width: min(1180px, calc(100% - 24px)); }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .btn, .scene-card, .chip { transition: none; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}