/* roulang page: index */
:root {
  --bg: #F3F6FB;
  --card: #FFFFFF;
  --ink: #1A2332;
  --muted: #5E6E80;
  --primary: #3E6D94;
  --primary-deep: #2C5273;
  --accent: #D4894A;
  --line: #E3E9F1;
  --shadow: 0 12px 32px rgba(36, 64, 96, .08);
  --shadow-hover: 0 18px 40px rgba(36, 64, 96, .14);
  --radius: 16px;
  --radius-btn: 10px;
  --space: 88px;
  --header-h: 76px;
  --font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
a { color: var(--primary-deep); text-decoration: none; }
a:hover { color: var(--primary-deep); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.35; margin: 0 0 .6rem; color: var(--ink); }
h1 { font-size: clamp(2rem, 3.5vw, 3.05rem); letter-spacing: 0; }
h2 { font-size: clamp(1.45rem, 2.2vw, 1.95rem); }
h3 { font-size: 1.12rem; font-weight: 600; }
p { margin: 0 0 1rem; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: 0; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: auto;
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  box-shadow: 0 8px 24px rgba(36, 64, 96, .04);
  transition: background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-header.is-stuck {
  background: #fff;
  border-bottom-color: var(--line);
  box-shadow: 0 10px 28px rgba(36, 64, 96, .1);
}
.navbar { min-height: var(--header-h); padding: 10px 0; }
.brand-lock {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 44px;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.2;
  margin-right: 12px;
}
.brand-lock:hover { color: var(--primary-deep); text-decoration: none; }
.brand-lock strong { font-size: 1.02rem; font-weight: 700; }
.brand-lock span { font-size: .92rem; font-weight: 600; color: var(--primary); }
.age-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 28px;
  padding: 0 10px;
  margin-left: 10px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.navbar-nav { gap: 4px; align-items: center; }
.navbar-nav .nav-link {
  color: var(--ink);
  font-weight: 600;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 10px;
}
.navbar-nav .nav-link:hover { color: var(--primary-deep); background: rgba(62, 109, 148, .08); text-decoration: none; }
.navbar-nav .nav-link.active { color: var(--primary-deep); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.nav-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 4px 4px 14px;
  min-height: 44px;
}
.nav-search input {
  border: 0;
  width: 168px;
  background: transparent;
  color: var(--ink);
  outline: none;
  min-height: 36px;
}
.nav-search input::placeholder { color: #8A97A8; }
.nav-search button, .button {
  min-height: 44px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  padding: 0 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.nav-search button, .button-brand {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.nav-search button { min-height: 36px; border-radius: 999px; padding: 0 14px; }
.button-brand:hover, .nav-search button:hover { background: var(--primary-deep); border-color: var(--primary-deep); color: #fff; text-decoration: none; }
.button-line {
  background: #fff;
  color: var(--primary-deep);
  border-color: #D5E0EA;
}
.button-line:hover { border-color: var(--primary); color: var(--primary-deep); text-decoration: none; background: #F7FBFE; }
.button:active, .nav-search button:active { transform: translateY(1px); }
.navbar-toggler {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.8);
  padding: 0;
}
.toggler-bars, .toggler-bars::before, .toggler-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
  margin: 0 auto;
}
.toggler-bars::before, .toggler-bars::after { content: ""; position: absolute; left: 0; }
.toggler-bars::before { top: -6px; }
.toggler-bars::after { top: 6px; }

.hero-board { padding: calc(var(--header-h) + 36px) 0 72px; background: var(--bg); }
.hero-sub { font-size: 1.05rem; font-weight: 600; color: var(--primary-deep); margin-bottom: 12px; }
.hero-intro { max-width: 760px; margin-bottom: 22px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.time-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  margin-bottom: 18px;
}
.time-bar b { font-family: var(--mono); font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; color: var(--primary-deep); line-height: 1; }
.time-label { color: var(--muted); font-size: .92rem; }
.metric-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.metric-card, .panel, .film-card, .news-item, .qa-item, .faq-item, .quote-card, .matrix-card, .day-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric-card { padding: 18px 18px 16px; border-top: 4px solid var(--primary); }
.metric-card:nth-child(2) { border-top-color: #6E93B3; }
.metric-card:nth-child(3) { border-top-color: var(--accent); }
.metric-card:nth-child(4) { border-top-color: var(--primary-deep); }
.metric-card:hover, .film-card:hover, .news-item:hover, .matrix-card:hover, .quote-card:hover, .qa-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.metric-card span, .soft { color: var(--muted); font-size: .92rem; }
.metric-card strong { display: block; font-family: var(--mono); font-size: 2rem; line-height: 1.1; margin: 6px 0; color: var(--primary-deep); }
.section { padding: var(--space) 0; background: #fff; }
.section-alt { background: var(--bg); }
.section-head { border-left: 4px solid var(--primary); padding-left: 14px; margin-bottom: 14px; }
.section-head.accent { border-left-color: var(--accent); }
.section-lead { max-width: 820px; margin-bottom: 28px; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(62, 109, 148, .1);
  color: var(--primary-deep);
  font-size: .78rem;
  font-weight: 700;
  margin-right: 6px;
}
.tag.copper { background: rgba(212, 137, 74, .16); color: #8A4E1E; }
.tag.ink { background: var(--ink); color: #fff; }
.matrix-card { padding: 22px; height: 100%; transition: transform .2s ease, box-shadow .2s ease; }
.matrix-card p { color: var(--ink); }
.cover { aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; background: #E7EEF5; margin-bottom: 14px; }
.compare-col { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px 8px 18px; height: 100%; }
.compare-col header { padding: 16px 16px 8px; }
.compare-row { display: grid; grid-template-columns: 92px 1fr; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); }
.compare-row b { font-weight: 600; }
.film-block { margin-bottom: 26px; }
.film-rail { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.film-card { min-width: 260px; max-width: 280px; scroll-snap-align: start; padding: 12px; transition: transform .2s ease, box-shadow .2s ease; }
.film-card h4 { font-size: 1rem; min-height: 44px; display: flex; align-items: center; }
.meta-line { color: var(--muted); font-size: .88rem; font-family: var(--mono); margin-bottom: 8px; }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 4px solid var(--primary); }
.tl-item { position: relative; padding: 0 0 26px 22px; }
.tl-item::before {
  content: "";
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
  position: absolute; left: -8px; top: 6px;
}
.tl-item time { font-family: var(--mono); color: var(--primary-deep); font-weight: 700; }
.week-strip { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 6px; }
.day-card { min-width: 148px; padding: 16px; }
.day-card strong { display: block; font-size: 1.05rem; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item { display: grid; grid-template-columns: 220px 1fr; gap: 16px; padding: 12px; transition: transform .2s ease, box-shadow .2s ease; }
.news-item h3 { font-size: 1.08rem; }
.more-row { display: flex; justify-content: flex-end; margin-top: 16px; }
.lane-list { display: flex; flex-direction: column; gap: 12px; }
.lane { display: grid; grid-template-columns: 148px 1fr; gap: 16px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px; border-left: 4px solid var(--primary); }
.lane.night { border-left-color: var(--primary-deep); }
.lane.weekend { border-left-color: var(--accent); }
.lane h3 { margin: 0; }
.assure-list, .device-list, .quality-list { display: flex; flex-direction: column; gap: 12px; }
.assure-item, .device-row, .quality-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.icon-dot {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(62, 109, 148, .12);
  color: var(--primary-deep);
  font-weight: 700;
}
.bar { height: 8px; border-radius: 999px; background: #E6EDF4; overflow: hidden; margin-top: 8px; }
.bar span { display: block; height: 100%; background: var(--primary); border-radius: inherit; }
.bar.copper span { background: var(--accent); }
.device-row { grid-template-columns: 120px 1fr 1fr 1fr; }
.device-row span { color: var(--muted); }
.quote-card { padding: 22px; transition: transform .2s ease, box-shadow .2s ease; }
.quote-card-offset { margin-top: 36px; }
.quote-card footer { color: var(--muted); font-size: .92rem; }
.qa-item { padding: 18px 18px 8px; height: 100%; transition: transform .2s ease, box-shadow .2s ease; }
.faq-item { padding: 0 18px; margin-bottom: 12px; }
.faq-item summary { min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; font-weight: 600; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--mono); color: var(--accent); font-size: 1.3rem; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--ink); padding-bottom: 8px; }
.anchor-list { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.anchor-list a {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0 14px; border-radius: 999px; background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow); font-weight: 600;
}
.anchor-list a:hover { border-color: var(--accent); text-decoration: none; }
.lead-copy { background: #fff; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 22px; height: 100%; border-left: 4px solid var(--primary); }
.lead-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.field { margin-bottom: 14px; }
.field label, .zone-pick legend { font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; background: #FBFCFE; color: var(--ink);
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(62, 109, 148, .2); outline: none; }
.zone-pick { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px 12px; }
.zone-pick label { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; margin-right: 18px; font-weight: 600; }
.field-error { color: #8C3A3A; font-size: .88rem; min-height: 1.2em; }
.form-ok { display: none; background: #E8F0F6; color: var(--primary-deep); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; }
.form-ok.show { display: block; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 36px 0 28px; }
.foot-brand { font-weight: 700; font-size: 1.15rem; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 16px; padding: 0; margin: 12px 0; list-style: none; }
.foot-links a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 600; }
.copy { color: var(--muted); font-size: .92rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
@media (min-width: 768px) {
  .metric-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 992px) {
  .metric-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1200px) {
  .container { width: min(1140px, calc(100% - 48px)); }
}
@media (min-width: 1400px) {
  .container { width: min(1280px, calc(100% - 64px)); }
}
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(16px);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 12px;
    margin-top: 8px;
    box-shadow: var(--shadow);
  }
  .nav-tools { flex-direction: column; align-items: stretch; margin-top: 8px; }
  .nav-search input { width: 100%; }
  .news-item, .lane, .device-row { grid-template-columns: 1fr; }
  .quote-card-offset { margin-top: 0; }
}
@media (max-width: 767.98px) {
  :root { --space: 48px; }
  .hero-board { padding-top: calc(var(--header-h) + 24px); }
  .time-bar { flex-direction: column; align-items: flex-start; }
  .compare-row { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
  .metric-grid { grid-template-columns: 1fr; }
  .hero-actions .button, .more-row .button, .lead-form .button { width: 100%; }
  .brand-lock strong { font-size: .95rem; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 24px); }
  .film-card { min-width: 84%; }
}

/* roulang page: category2 */
:root {
 --bg: #F3F6FB;
 --card: #FFFFFF;
 --ink: #1A2332;
 --muted: #5E6E80;
 --primary: #3E6D94;
 --primary-deep: #2C5273;
 --accent: #D4894A;
 --line: #E3E9F1;
 --shadow: 0 12px 32px rgba(36, 64, 96, .08);
 --shadow-hover: 0 18px 40px rgba(36, 64, 96, .14);
 --radius: 16px;
 --radius-btn: 10px;
 --space: 88px;
 --header-h: 76px;
 --font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
 --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 font-weight: 400;
 font-size: 16px;
 line-height: 1.75;
 color: var(--ink);
 background: var(--bg);
 text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, textarea, select { font-family: inherit; }
a { color: var(--primary-deep); text-decoration: none; }
a:hover { color: var(--primary-deep); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.sr-only {
 position: absolute;
 width: 1px;
 height: 1px;
 padding: 0;
 margin: -1px;
 overflow: hidden;
 clip: rect(0, 0, 0, 0);
 white-space: nowrap;
 border: 0;
}
.container {
 width: min(1140px, calc(100% - 32px));
 max-width: none;
 margin-inline: auto;
 padding-left: 0;
 padding-right: 0;
}
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; line-height: 1.25; margin-bottom: 10px; }
h2 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); font-weight: 700; line-height: 1.35; margin-bottom: 0; }
h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.45; margin-bottom: 8px; }
p { margin-bottom: 0; }
.site-header {
 position: fixed;
 inset: 0 0 auto 0;
 z-index: 40;
 background: rgba(255, 255, 255, .72);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
 border-bottom: 1px solid transparent;
 box-shadow: 0 8px 24px rgba(36, 64, 96, .04);
 transition: background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-header.is-stuck {
 background: #fff;
 border-bottom-color: var(--line);
 box-shadow: 0 10px 28px rgba(36, 64, 96, .1);
}
.navbar { min-height: var(--header-h); padding: 10px 0; }
.navbar > .container { display: flex; flex-wrap: wrap; align-items: center; }
.brand-lock {
 display: flex;
 flex-direction: column;
 justify-content: center;
 min-height: 44px;
 color: var(--ink);
 text-decoration: none;
 line-height: 1.2;
 margin-right: 8px;
}
.brand-lock:hover { color: var(--primary-deep); text-decoration: none; }
.brand-lock strong { font-size: 1.02rem; font-weight: 700; }
.brand-lock span { font-size: .92rem; font-weight: 600; color: var(--primary); }
.age-pill {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-width: 44px;
 height: 28px;
 padding: 0 10px;
 margin-left: 8px;
 border-radius: 999px;
 background: var(--ink);
 color: #fff;
 font-size: .75rem;
 font-weight: 700;
 letter-spacing: .04em;
}
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
 color: var(--ink);
 font-weight: 600;
 min-height: 44px;
 display: inline-flex;
 align-items: center;
 padding: 0 14px;
 border-radius: 10px;
}
.navbar-nav .nav-link:hover { color: var(--primary-deep); background: rgba(62, 109, 148, .08); text-decoration: none; }
.navbar-nav .nav-link.active { color: var(--primary-deep); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; background: transparent; }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.nav-search {
 display: flex;
 align-items: center;
 gap: 6px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 4px 4px 4px 14px;
 min-height: 44px;
}
.nav-search input {
 border: 0;
 width: 168px;
 background: transparent;
 color: var(--ink);
 outline: none;
 min-height: 36px;
}
.nav-search input::placeholder { color: #8A97A8; }
.nav-search button, .button, .filter-chip {
 min-height: 44px;
 border-radius: var(--radius-btn);
 border: 1px solid transparent;
 padding: 0 16px;
 font-weight: 600;
 cursor: pointer;
 transition: background .2s ease, color .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.nav-search button, .button-brand {
 background: var(--primary);
 color: #fff;
 border-color: var(--primary);
}
.nav-search button { min-height: 36px; border-radius: 999px; padding: 0 14px; }
.button-brand { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.button-brand:hover, .nav-search button:hover, .button-brand:focus-visible { background: var(--primary-deep); border-color: var(--primary-deep); color: #fff; text-decoration: none; }
.button:active, .nav-search button:active, .filter-chip:active { transform: translateY(1px); }
.navbar-toggler {
 width: 44px;
 height: 44px;
 border: 1px solid var(--line);
 border-radius: 10px;
 background: rgba(255,255,255,.8);
 padding: 0;
 margin-left: auto;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 box-shadow: none;
}
.navbar-toggler:focus { box-shadow: none; }
.toggler-bars, .toggler-bars::before, .toggler-bars::after {
 display: block;
 width: 18px;
 height: 2px;
 background: var(--ink);
 border-radius: 2px;
 position: relative;
}
.toggler-bars::before, .toggler-bars::after { content: ""; position: absolute; left: 0; }
.toggler-bars::before { top: -6px; }
.toggler-bars::after { top: 6px; }
.section { padding: var(--space) 0; background: #fff; }
.section-alt { background: var(--bg); }
.section-head { border-left: 4px solid var(--primary); padding-left: 14px; margin-bottom: 8px; }
.section-head.accent { border-left-color: var(--accent); }
.section-lead { max-width: 760px; color: var(--muted); margin: 0 0 28px; }
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 26px;
 padding: 0 10px;
 border-radius: 999px;
 background: rgba(62, 109, 148, .1);
 color: var(--primary-deep);
 font-size: .78rem;
 font-weight: 700;
 margin: 0 6px 0 0;
}
.tag.copper { background: rgba(212, 137, 74, .16); color: #8A4E1E; }
.tag.ink { background: var(--ink); color: #fff; }
.soft { color: var(--muted); font-size: .92rem; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: 0; }
.cat-head { padding: calc(var(--header-h) + 28px) 0 36px; background: var(--bg); }
.cat-head-row { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 22px; align-items: end; }
.eyebrow { margin: 0 0 8px; color: var(--primary); font-weight: 700; font-size: .92rem; }
.cat-lead { max-width: 560px; color: var(--ink); font-weight: 600; }
.filter-bar { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.filter-chip { background: #fff; color: var(--primary-deep); border: 1px solid var(--line); border-radius: 999px; }
.filter-chip:hover { border-color: var(--primary); background: #F7FBFE; color: var(--primary-deep); }
.filter-chip.is-on { background: var(--primary); color: #fff; border-color: var(--primary); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.split-board { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; align-items: stretch; }
.split-side { display: grid; gap: 16px; }
.split-card {
 display: grid;
 grid-template-columns: minmax(148px, 46%) minmax(0, 1fr);
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
 min-height: 100%;
 transition: transform .2s ease, box-shadow .2s ease;
}
.split-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.split-card.is-hidden { display: none; }
.poster { position: relative; aspect-ratio: 16 / 9; background: #E7EEF5; }
.poster svg { width: 100%; height: 100%; }
.poster-mark {
 position: absolute;
 left: 10px;
 bottom: 10px;
 min-height: 26px;
 display: inline-flex;
 align-items: center;
 padding: 0 10px;
 border-radius: 999px;
 background: rgba(26, 35, 50, .88);
 color: #fff;
 font-size: .75rem;
 font-weight: 700;
}
.split-body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.meta-line { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: .92rem; }
.meta-line b { color: var(--primary-deep); font-weight: 700; }
.heat-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.heat-list li {
 display: grid;
 grid-template-columns: 148px minmax(0, 1fr) 64px;
 gap: 14px;
 align-items: center;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 16px;
 box-shadow: var(--shadow);
 padding: 14px 16px;
 min-height: 72px;
}
.heat-list li:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.heat-name { font-weight: 700; }
.heat-track { height: 10px; background: var(--line); border-radius: 999px; overflow: hidden; }
.heat-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-deep)); border-radius: 999px; position: relative; }
.heat-fill::after { content: ""; position: absolute; right: 0; top: -2px; width: 8px; height: 14px; border-radius: 999px; background: var(--accent); }
.heat-list b { font-family: var(--mono); font-size: 1.35rem; color: var(--primary-deep); text-align: right; }
.step-line, .mini-line { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.step-line li, .mini-line li {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 18px 16px 16px;
 min-height: 100%;
}
.step-line li { border-top: 4px solid var(--primary); }
.step-line li:nth-child(2) { border-top-color: #6E93B3; }
.step-line li:nth-child(3) { border-top-color: var(--accent); }
.step-line li:nth-child(4) { border-top-color: var(--primary-deep); }
.step-no, .mile-no {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-width: 44px;
 height: 28px;
 padding: 0 8px;
 border-radius: 999px;
 background: rgba(62, 109, 148, .1);
 color: var(--primary-deep);
 font-family: var(--mono);
 font-weight: 700;
 margin-bottom: 10px;
}
.mini-wrap { position: relative; }
.mini-wrap::before {
 content: "";
 position: absolute;
 left: 6%;
 right: 6%;
 top: 36px;
 height: 2px;
 background: #D5E0EA;
}
.mini-line { position: relative; }
.mini-line li { background: var(--card); }
.read-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.read-feature, .read-list a {
 display: block;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 color: var(--ink);
 text-decoration: none;
 transition: transform .2s ease, box-shadow .2s ease;
}
.read-feature { padding: 22px; border-left: 4px solid var(--accent); min-height: 100%; }
.read-feature:hover, .read-list a:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: var(--ink); text-decoration: none; }
.read-list { display: grid; gap: 16px; }
.read-list a { padding: 18px 18px 16px; border-left: 4px solid var(--primary); }
.read-kicker { color: var(--accent); font-weight: 700; font-size: .82rem; margin-bottom: 8px; }
.read-feature p, .read-list p { color: var(--muted); margin-top: 8px; }
.guard-row { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.guard-row li {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 18px 16px;
}
.guard-ico {
 width: 44px;
 height: 44px;
 border-radius: 12px;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 background: rgba(62, 109, 148, .1);
 color: var(--primary-deep);
 margin-bottom: 10px;
}
.guard-ico svg { width: 22px; height: 22px; }
.guard-row p { color: var(--muted); }
.want-panel {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.want-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 12px; align-items: end; }
.field { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
.field span { font-size: .92rem; }
.field input, .field select {
 min-height: 44px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 padding: 0 12px;
}
.field input:focus, .field select:focus { border-color: var(--primary); outline: 2px solid var(--primary); outline-offset: 1px; box-shadow: none; }
.form-msg { min-height: 1.5em; margin-top: 12px; font-weight: 600; }
.form-msg.bad { color: #8A4E1E; }
.form-msg.ok { color: var(--primary-deep); }
.age-note { color: var(--muted); margin-top: 8px; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 36px; }
.foot-brand { font-weight: 700; font-size: 1.2rem; margin-bottom: 8px; }
.site-footer p { max-width: 760px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px 18px; list-style: none; padding: 0; margin: 18px 0; }
.foot-links a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 600; }
.copy { color: var(--muted); font-size: .92rem; }
@media (min-width: 1200px) {
 .container { width: min(1140px, calc(100% - 40px)); }
}
@media (min-width: 1400px) {
 .container { width: min(1240px, calc(100% - 48px)); }
}
@media (max-width: 1024px) {
 .split-card { grid-template-columns: minmax(132px, 42%) minmax(0, 1fr); }
 .heat-list li { grid-template-columns: 132px minmax(0, 1fr) 56px; }
}
@media (max-width: 991.98px) {
 .navbar-collapse {
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
 border: 1px solid var(--line);
 border-radius: 16px;
 padding: 12px;
 margin-top: 10px;
 box-shadow: var(--shadow);
 }
 .navbar-nav { align-items: stretch; }
 .navbar-nav .nav-link { width: 100%; }
 .nav-tools { flex-direction: column; align-items: stretch; margin-top: 8px; }
 .nav-search, .nav-search input, .button-brand { width: 100%; }
 .cat-head-row, .split-board, .read-layout { grid-template-columns: 1fr; }
 .filter-bar { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; }
 .step-line, .mini-line, .guard-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
 .mini-wrap::before { display: none; }
}
@media (max-width: 768px) {
 :root { --space: 48px; }
 .heat-list li { grid-template-columns: 1fr auto; }
 .heat-track { grid-column: 1 / -1; }
 .want-form { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
 .split-card { grid-template-columns: 1fr; }
 .step-line, .mini-line, .guard-row { grid-template-columns: 1fr; }
 .brand-lock strong { font-size: .92rem; }
 .filter-chip, .button-brand { width: auto; }
}
@media (max-width: 520px) {
 .container { width: calc(100% - 24px); }
 h1 { font-size: 1.7rem; }
 .heat-list b { font-size: 1.15rem; }
}

/* roulang page: category1 */
:root {
 --bg: #F3F6FB;
 --card: #FFFFFF;
 --ink: #1A2332;
 --muted: #5E6E80;
 --primary: #3E6D94;
 --primary-deep: #2C5273;
 --accent: #D4894A;
 --line: #E3E9F1;
 --shadow: 0 12px 32px rgba(36, 64, 96, .08);
 --shadow-hover: 0 18px 40px rgba(36, 64, 96, .14);
 --radius: 16px;
 --radius-btn: 10px;
 --space: 88px;
 --header-h: 76px;
 --font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
 --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 font-weight: 400;
 font-size: 16px;
 line-height: 1.75;
 color: var(--ink);
 background: var(--bg);
 text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
a { color: var(--primary-deep); text-decoration: none; }
a:hover { color: var(--primary-deep); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
p { margin: 0 0 12px; }
h1, h2, h3 { margin: 0 0 10px; line-height: 1.3; font-weight: 700; color: var(--ink); }
h1 { font-size: clamp(1.7rem, 2.6vw, 2.45rem); letter-spacing: 0; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.06rem; font-weight: 600; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; padding-left: 0; padding-right: 0; }
.sr-only {
 position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
 overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.site-header {
 position: fixed; inset: 0 0 auto 0; z-index: 40;
 background: rgba(255,255,255,.72);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
 border-bottom: 1px solid transparent;
 box-shadow: 0 8px 24px rgba(36,64,96,.04);
 transition: background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-header.is-stuck {
 background: #fff;
 border-bottom-color: var(--line);
 box-shadow: 0 10px 28px rgba(36,64,96,.1);
}
.navbar { min-height: var(--header-h); padding: 10px 0; }
.brand-lock {
 display: flex; flex-direction: column; justify-content: center;
 min-height: 44px; color: var(--ink); text-decoration: none;
 line-height: 1.2; margin-right: 12px;
}
.brand-lock:hover { color: var(--primary-deep); text-decoration: none; }
.brand-lock strong { font-size: 1.02rem; font-weight: 700; }
.brand-lock span { font-size: .92rem; font-weight: 600; color: var(--primary); }
.age-pill {
 display: inline-flex; align-items: center; justify-content: center;
 min-width: 44px; height: 28px; padding: 0 10px; margin-left: 10px;
 border-radius: 999px; background: var(--ink); color: #fff;
 font-size: .75rem; font-weight: 700; letter-spacing: .04em;
}
.navbar-nav { gap: 4px; align-items: center; }
.navbar-nav .nav-link {
 color: var(--ink); font-weight: 600; min-height: 44px;
 display: inline-flex; align-items: center; padding: 0 14px; border-radius: 10px;
}
.navbar-nav .nav-link:hover { color: var(--primary-deep); background: rgba(62,109,148,.08); text-decoration: none; }
.navbar-nav .nav-link.active { color: var(--primary-deep); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.nav-search {
 display: flex; align-items: center; gap: 6px; background: #fff;
 border: 1px solid var(--line); border-radius: 999px; padding: 4px 4px 4px 14px; min-height: 44px;
}
.nav-search input {
 border: 0; width: 168px; background: transparent; color: var(--ink); outline: none; min-height: 36px;
}
.nav-search input::placeholder { color: #8A97A8; }
.nav-search:focus-within { outline: 2px solid var(--primary); outline-offset: 2px; }
.nav-search button, .button, .chip {
 min-height: 44px; border-radius: var(--radius-btn); border: 1px solid transparent;
 padding: 0 16px; font-weight: 600; cursor: pointer;
 transition: background .2s ease, color .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.nav-search button, .button-brand { background: var(--primary); color: #fff; border-color: var(--primary); }
.nav-search button { min-height: 36px; border-radius: 999px; padding: 0 14px; }
.button-brand:hover, .nav-search button:hover, .chip.is-on:hover { background: var(--primary-deep); border-color: var(--primary-deep); color: #fff; text-decoration: none; }
.button-line { background: #fff; color: var(--primary-deep); border-color: #D5E0EA; }
.button-line:hover { border-color: var(--primary); color: var(--primary-deep); text-decoration: none; background: #F7FBFE; }
.button:active, .nav-search button:active, .chip:active { transform: translateY(1px); }
.navbar-toggler {
 width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px;
 background: rgba(255,255,255,.8); padding: 0;
 display: inline-flex; align-items: center; justify-content: center;
}
.navbar-toggler:focus { box-shadow: none; }
.toggler-bars, .toggler-bars::before, .toggler-bars::after {
 display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; position: relative;
}
.toggler-bars::before, .toggler-bars::after { content: ""; position: absolute; left: 0; }
.toggler-bars::before { top: -6px; }
.toggler-bars::after { top: 6px; }
.section { padding: var(--space) 0; background: #fff; }
.section-alt { background: var(--bg); }
.cate-top { padding: calc(var(--header-h) + 28px) 0 48px; background: var(--bg); }
.section-head { border-left: 4px solid var(--primary); padding-left: 14px; margin-bottom: 14px; }
.section-head.accent { border-left-color: var(--accent); }
.section-lead { max-width: 760px; color: var(--ink); margin-bottom: 22px; }
.soft { color: var(--muted); font-size: .92rem; }
.tag {
 display: inline-flex; align-items: center; min-height: 26px; padding: 0 10px;
 border-radius: 999px; background: rgba(62,109,148,.1); color: var(--primary-deep);
 font-size: .78rem; font-weight: 700; margin-right: 6px;
}
.tag.copper { background: rgba(212,137,74,.16); color: #8A4E1E; }
.tag.ink { background: var(--ink); color: #fff; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: .92rem; margin-bottom: 12px; }
.crumb a { font-weight: 600; }
.cate-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 28px; align-items: end; }
.filter-panel {
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
 box-shadow: var(--shadow); padding: 16px; border-top: 4px solid var(--primary);
}
.filter-panel p { margin-bottom: 10px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: #fff; color: var(--primary-deep); border-color: #D5E0EA; border-radius: 999px; }
.chip:hover { border-color: var(--primary); color: var(--primary-deep); background: #F7FBFE; }
.chip.is-on { background: var(--primary); color: #fff; border-color: var(--primary); }
.film-row, .band, .read-row, .qa-item, .replay-bar, .side-card {
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.film-row, .read-row, .qa-item, .band, .side-card { transition: transform .2s ease, box-shadow .2s ease; }
.film-row:hover, .read-row:hover, .qa-item:hover, .side-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.list-meta { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; margin-bottom: 14px; }
.list-meta strong { font-size: 1.35rem; color: var(--primary-deep); }
.film-stack { display: flex; flex-direction: column; gap: 14px; }
.film-row { display: grid; grid-template-columns: 240px minmax(0,1fr) auto; gap: 16px; align-items: center; padding: 12px; }
.cover { border-radius: 12px; overflow: hidden; background: #E7EEF5; aspect-ratio: 16/9; }
.cover svg { width: 100%; height: 100%; }
.film-copy p { margin: 0; color: var(--muted); }
.film-side { min-width: 84px; text-align: right; }
.film-side strong { display: block; font-size: 1.55rem; color: var(--primary-deep); line-height: 1.1; }
.film-side span, .empty-note { color: var(--muted); }
.empty-note { padding: 28px 8px; text-align: left; }
.beat-wrap { overflow-x: auto; padding-bottom: 6px; }
.beat { display: flex; gap: 12px; min-width: 760px; list-style: none; margin: 0; padding: 0; }
.beat li {
 flex: 1; background: #fff; border: 1px solid var(--line); border-radius: 16px;
 box-shadow: var(--shadow); padding: 16px 14px 14px; border-top: 4px solid var(--primary); min-height: 132px;
}
.beat li:nth-child(even) { border-top-color: var(--accent); }
.beat b { display: block; font-size: 1rem; }
.beat em { display: block; margin: 8px 0 4px; font-style: normal; font-weight: 700; color: var(--primary-deep); }
.beat span { font-family: var(--mono); color: var(--muted); }
.quality-layout { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(240px,.6fr); gap: 16px; align-items: stretch; }
.band { padding: 18px 18px 16px; margin-bottom: 14px; }
.band:last-child { margin-bottom: 0; }
.band header { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 8px; }
.meter { height: 8px; background: #E7EEF5; border-radius: 999px; overflow: hidden; margin-top: 8px; }
.meter i { display: block; height: 100%; background: var(--primary); border-radius: inherit; }
.meter.copper i { background: var(--accent); }
.side-card { padding: 22px 20px; border-top: 4px solid var(--accent); display: flex; flex-direction: column; justify-content: center; }
.side-card strong { font-size: 2.4rem; color: var(--primary-deep); line-height: 1; margin-bottom: 6px; }
.thin-time { list-style: none; margin: 8px 0 0; padding: 0 0 0 8px; border-left: 4px solid var(--primary); }
.thin-time li { position: relative; padding: 0 0 26px 22px; display: grid; grid-template-columns: 88px minmax(0,1fr); gap: 12px; }
.thin-time li:last-child { padding-bottom: 0; }
.thin-time li::before {
 content: ""; width: 12px; height: 12px; border-radius: 50%; background: #fff;
 border: 3px solid var(--accent); position: absolute; left: -10px; top: 6px;
}
.thin-time time { font-family: var(--mono); font-weight: 700; color: var(--primary-deep); }
.slot-note { color: var(--muted); margin: 0; }
.read-stack { display: flex; flex-direction: column; gap: 12px; }
.read-row { display: grid; grid-template-columns: 88px minmax(0,1fr) auto; gap: 14px; align-items: center; padding: 16px 18px; }
.read-row time { font-family: var(--mono); font-weight: 700; color: var(--primary-deep); }
.read-row p { margin: 0; color: var(--muted); }
.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.qa-item { padding: 20px 22px 16px; border-top: 4px solid var(--primary); }
.qa-item:nth-child(2n) { border-top-color: var(--accent); }
.qa-item p { margin: 0; color: var(--muted); }
.replay-bar {
 display: flex; justify-content: space-between; align-items: center; gap: 18px;
 padding: 22px 24px; border-left: 4px solid var(--accent);
}
.replay-bar p { margin: 0; color: var(--muted); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 42px 0 32px; }
.foot-brand { font-weight: 700; font-size: 1.15rem; margin-bottom: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 4px 18px; list-style: none; margin: 16px 0; padding: 0; }
.foot-links a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 600; }
.copy { color: var(--muted); font-size: .92rem; margin: 0; }
a:focus-visible, button:focus-visible, input:focus-visible, .chip:focus-visible {
 outline: 2px solid var(--primary); outline-offset: 2px;
}
[hidden] { display: none !important; }
@media (min-width: 1200px) {
 .container { width: min(1180px, calc(100% - 40px)); }
}
@media (min-width: 1400px) {
 .container { width: min(1240px, calc(100% - 48px)); }
}
@media (max-width: 991.98px) {
 .navbar-toggler { margin-left: auto; }
 .navbar-collapse {
 background: rgba(255,255,255,.92);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
 border: 1px solid var(--line);
 border-radius: 16px;
 margin-top: 10px;
 padding: 12px;
 box-shadow: var(--shadow);
 }
 .nav-tools, .nav-search { flex-direction: column; align-items: stretch; width: 100%; }
 .nav-search input { width: 100%; }
 .cate-grid, .quality-layout, .film-row, .read-row { grid-template-columns: 1fr; }
 .film-side, .read-row time { text-align: left; }
}
@media (max-width: 767.98px) {
 :root { --space: 48px; }
 .qa-grid, .thin-time li { grid-template-columns: 1fr; }
 .thin-time li { gap: 4px; }
 .replay-bar { flex-direction: column; align-items: flex-start; }
 .cate-top { padding-top: calc(var(--header-h) + 18px); }
}
@media (max-width: 575.98px) {
 h1 { font-size: 1.62rem; }
 .container { width: calc(100% - 24px); }
 .filter-bar .chip, .replay-bar .button { width: 100%; }
 .side-card strong { font-size: 2rem; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition: none !important; }
}

/* 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}