/* roulang page: index */
:root {
  --blue: #1F4E89;
  --blue-deep: #173C6B;
  --slate: #5C6E82;
  --teal: #2F7C78;
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --ink: #1C2833;
  --muted: #5E6A75;
  --line: #D5DEE8;
  --shadow: 0 10px 28px rgba(31, 78, 137, 0.08);
  --shadow-hover: 0 14px 32px rgba(31, 78, 137, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --wide: 1120px;
  --gap: 28px;
  --pad: 72px;
  --serif: "Songti SC", "Source Han Serif SC", "STSong", "Noto Serif SC", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-deep); }
p { margin: 0 0 12px; }
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.35;
  margin: 0 0 12px;
}
h1 { font-size: 40px; color: var(--ink); }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
.container { width: min(var(--wide), calc(100% - 40px)); margin: 0 auto; }
.topbar {
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}
.logo i {
  width: 3px;
  height: 18px;
  background: var(--blue);
  display: block;
  border-radius: 2px;
}
.menu { display: flex; align-items: center; gap: 28px; }
.menu a {
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.menu a.active { color: var(--blue); border-bottom-color: var(--blue); }
.menu a:focus-visible, .logo:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
main { display: block; }
.section { padding: var(--pad) 0; }
.section.alt { background: #fff; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head p { color: var(--muted); margin: 0; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-size: 13px;
  margin-bottom: 10px;
}
.hero-grid, .feature-grid, .demo-grid, .plan-grid {
  display: grid;
  gap: var(--gap);
}
.hero-grid { grid-template-columns: 7fr 5fr; align-items: center; }
.feature-grid, .demo-grid { grid-template-columns: 8fr 4fr; align-items: stretch; }
.plan-grid { grid-template-columns: 4fr 8fr; align-items: stretch; }
.status-row, .icon-row, .step-row, .digest-row, .voice-nums {
  display: grid;
  gap: 16px;
}
.status-row { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 18px 0; }
.icon-row { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 8px; }
.chip, .mini, .tag {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.chip { padding: 12px 14px; }
.chip b, .mini b { display: block; font-size: 14px; }
.chip span, .mini span, .meta, .date { color: var(--muted); font-size: 13px; }
.mini { padding: 14px; text-align: left; }
.mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(31, 78, 137, 0.1);
  color: var(--blue);
  display: grid;
  place-items: center;
  margin-bottom: 8px;
  font-family: var(--serif);
  font-size: 14px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid transparent;
}
.poster, .shot {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-height: 360px;
  position: relative;
  overflow: hidden;
  padding: 24px;
}
.block {
  position: absolute;
  border-radius: 10px;
}
.block.a { width: 58%; height: 46%; left: 8%; top: 16%; background: #1F4E89; }
.block.b { width: 34%; height: 28%; right: 8%; top: 22%; background: #2F7C78; }
.block.c { width: 72%; height: 18%; left: 8%; bottom: 16%; background: #D5DEE8; }
.poster-copy, .shot-copy {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 28px;
  color: #fff;
  z-index: 1;
}
.poster-copy strong, .shot-copy strong { display: block; font-family: var(--serif); font-size: 22px; }
.adult-tag {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 12px;
  margin-bottom: 8px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn.secondary { background: #fff; color: var(--blue); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.digest-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.digest a, .news a.row, .pick a, .log a {
  display: block;
  color: inherit;
}
.digest article, .news .row, .pick li, .log li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-height: 72px;
  padding: 16px 18px;
}
.eyebrow { color: var(--teal); font-size: 13px; margin-bottom: 4px; }
.feature-side { display: flex; flex-direction: column; gap: var(--gap); }
.feature-main { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; }
.banner-list { display: grid; gap: 18px; }
.banner {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 20px;
  align-items: center;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  color: inherit;
  border-left: 4px solid var(--blue);
}
.banner:nth-child(2) { border-left-color: var(--teal); }
.banner h3 { margin: 0 0 6px; }
.banner p { margin: 0; color: var(--muted); }
.step-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.step { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; min-height: 180px; }
.step em {
  font-style: normal;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 22px;
  display: block;
  margin-bottom: 8px;
}
.note-list { display: flex; flex-direction: column; gap: 16px; }
.note { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); align-items: start; }
.case-grid article:nth-child(2) { margin-top: 48px; }
.case-grid strong.num, .plan .price {
  display: block;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.2;
  margin: 8px 0;
}
.pick { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.pick li { display: grid; grid-template-columns: 42px 1fr auto; gap: 14px; align-items: center; }
.idx {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: rgba(31, 78, 137, 0.08);
  color: var(--blue);
  display: grid;
  place-items: center;
  font-family: var(--serif);
}
.plan { display: flex; flex-direction: column; }
.plan ul { margin: 8px 0 18px; padding-left: 18px; color: var(--muted); }
.plan .btn { margin-top: auto; align-self: flex-start; }
.plan.wide { border: 1px solid rgba(31, 78, 137, 0.18); }
.review-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--gap); }
.review q { display: block; font-family: var(--serif); font-size: 22px; line-height: 1.6; margin-bottom: 16px; }
.review.narrow q { font-size: 18px; }
.who { color: var(--muted); font-size: 14px; }
.voice-nums { grid-template-columns: repeat(3, 1fr); margin-bottom: 18px; }
.voice-nums article { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.voice-nums b { font-family: var(--serif); font-size: 26px; color: var(--blue); display: block; }
.quote-line { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.quote-line p { background: #fff; border-radius: var(--radius); padding: 18px 20px; margin: 0; box-shadow: var(--shadow); }
.news { display: grid; gap: 12px; }
.news .row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 16px;
  align-items: center;
}
.thumb {
  width: 92px;
  height: 64px;
  border-radius: 8px;
  background: #1F4E89;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
}
.thumb.alt { background: #2F7C78; }
.more-wrap { margin-top: 16px; }
.faq { display: grid; gap: 12px; }
.faq details {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 6px 18px;
}
.faq details[open] { border-left: 3px solid var(--blue); }
.faq summary { cursor: pointer; min-height: 52px; display: flex; align-items: center; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--muted); padding-bottom: 10px; }
.log { list-style: none; margin: 0; padding: 0 0 0 18px; border-left: 2px solid var(--line); display: grid; gap: 14px; }
.log li { position: relative; }
.log li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  position: absolute;
  left: -24px;
  top: 24px;
}
.open-bar {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
}
form { display: grid; gap: 12px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--slate); }
input, select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus { border-color: var(--blue); }
.check { grid-template-columns: 18px 1fr; align-items: center; color: var(--ink); }
.form-error, .form-success, .empty-note {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin: 0 0 8px;
}
.form-error { background: #F8F1F1; color: #7A3E3E; border: 1px solid #E4C8C8; }
.form-success { background: #F1F7F6; color: #1D5C58; border: 1px solid #C9E0DD; }
.empty-note { background: #fff; color: var(--muted); border: 1px dashed var(--line); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 40px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 28px; }
.site-footer h2 { font-size: 22px; }
.site-footer a { display: block; color: var(--slate); padding: 4px 0; }
.copyright { margin-top: 22px; color: var(--muted); font-size: 13px; }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
  .btn.secondary:hover { background: #fff; color: var(--blue-deep); }
  .card:hover, .digest article:hover, .news .row:hover, .banner:hover, .pick li:hover, .log li:hover {
    box-shadow: var(--shadow-hover);
  }
}
@media (max-width: 1024px) {
  .hero-grid, .feature-grid, .demo-grid, .plan-grid, .review-grid, .open-bar { grid-template-columns: 1fr; }
  .plan.wide, .plan { min-height: 0; }
  .digest-row, .icon-row, .step-row { grid-template-columns: 1fr 1fr; }
  .case-grid article:nth-child(2) { margin-top: 0; }
}
@media (max-width: 768px) {
  .section { padding: 40px 0; }
  h1 { font-size: 30px; }
  h2 { font-size: 26px; }
  .topbar { height: auto; }
  .topbar .container { display: block; padding-top: 12px; padding-bottom: 8px; }
  .menu { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; padding: 8px 0 12px; }
  .status-row, .voice-nums, .quote-line, .case-grid, .foot-grid, .digest-row, .icon-row, .step-row, .banner {
    grid-template-columns: 1fr;
  }
  .news .row, .pick li { grid-template-columns: 72px 1fr; }
  .news .date, .pick .date { grid-column: 2; }
  .poster, .shot { min-height: 280px; }
}
@media (max-width: 480px) {
  .container { width: min(var(--wide), calc(100% - 28px)); }
  .card, .feature-main, .step, .note, .open-bar, .digest article, .banner { padding: 16px; }
  .btn, .btn-row .btn { width: 100%; }
  .poster-copy strong, .shot-copy strong, .review q { font-size: 18px; }
}

/* roulang page: category1 */
:root {
 --blue: #1F4E89;
 --blue-deep: #173C6B;
 --slate: #5C6E82;
 --teal: #2F7C78;
 --bg: #F4F7FB;
 --card: #FFFFFF;
 --ink: #1C2833;
 --muted: #5E6A75;
 --line: #D5DEE8;
 --shadow: 0 10px 28px rgba(31, 78, 137, 0.08);
 --shadow-hover: 0 14px 32px rgba(31, 78, 137, 0.14);
 --radius: 12px;
 --radius-sm: 8px;
 --wide: 1120px;
 --gap: 28px;
 --pad: 72px;
 --serif: "Songti SC", "Source Han Serif SC", "STSong", "Noto Serif SC", serif;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--sans);
 font-size: 16px;
 line-height: 1.8;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; font-size: 16px; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; letter-spacing: 0; color: var(--ink); }
h1 { font-size: 40px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 28px; line-height: 1.35; margin: 0 0 10px; }
h3 { font-size: 20px; line-height: 1.4; margin: 0 0 8px; }
p { margin: 0; }
.container { width: min(var(--wide), calc(100% - 40px)); margin: 0 auto; }
.topbar {
 height: 64px;
 background: #fff;
 border-bottom: 1px solid var(--line);
 position: sticky;
 top: 0;
 z-index: 20;
}
.topbar .container {
 height: 100%;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
}
.logo {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 color: var(--ink);
 font-family: var(--serif);
 font-size: 20px;
 font-weight: 700;
 line-height: 1.2;
}
.logo i {
 width: 3px;
 height: 18px;
 background: var(--blue);
 display: block;
 border-radius: 2px;
}
.menu { display: flex; align-items: center; gap: 28px; }
.menu a {
 color: var(--ink);
 padding: 8px 0;
 border-bottom: 2px solid transparent;
}
.menu a.active { color: var(--blue); border-bottom-color: var(--blue); }
.menu a:focus-visible, .logo:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, .crumb-back:focus-visible {
 outline: 2px solid var(--blue);
 outline-offset: 2px;
}
.crumbbar { background: #fff; border-bottom: 1px solid var(--line); }
.crumbbar .container {
 min-height: 48px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
}
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; color: var(--muted); font-size: 14px; margin: 0; padding: 8px 0; }
.crumbs a { color: var(--slate); }
.crumbs span[aria-current="page"] { color: var(--ink); }
.crumb-back { color: var(--blue); white-space: nowrap; font-size: 14px; }
main { display: block; }
.section { padding: var(--pad) 0; }
.section.alt { background: #fff; }
.section.mast { padding: 36px 0 28px; background: var(--bg); }
.mast-row {
 display: flex;
 align-items: flex-end;
 justify-content: space-between;
 gap: 28px;
}
.mast-copy { max-width: 760px; }
.mast-copy p { color: var(--muted); }
.sort-box {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
 min-width: 240px;
}
.sort-box label { display: block; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
select, input {
 width: 100%;
 min-height: 44px;
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 padding: 8px 12px;
 background: #fff;
 color: var(--ink);
}
input:focus, select:focus { border-color: var(--blue); outline: none; }
.entry-list { display: flex; flex-direction: column; gap: 16px; }
.entry {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 min-height: 72px;
 transition: box-shadow .2s ease, transform .2s ease;
}
.entry-link {
 display: grid;
 grid-template-columns: 148px 1fr;
 gap: 18px;
 padding: 16px;
 color: inherit;
 align-items: center;
}
.thumb {
 height: 104px;
 border-radius: var(--radius-sm);
 position: relative;
 overflow: hidden;
}
.thumb i, .swatch {
 position: absolute;
 border-radius: 8px;
 display: block;
}
.thumb .a { width: 62%; height: 58%; left: 12%; top: 18%; }
.thumb .b { width: 34%; height: 28%; right: 10%; bottom: 14%; background: rgba(255,255,255,.35); }
.adult-tag {
 position: absolute;
 left: 8px;
 top: 8px;
 background: var(--teal);
 color: #fff;
 border-radius: 8px;
 padding: 2px 8px;
 font-size: 12px;
 line-height: 1.6;
 font-style: normal;
}
.entry:nth-child(1) .thumb { background: #D9E4F2; } .entry:nth-child(1) .a { background: #1F4E89; }
.entry:nth-child(2) .thumb { background: #E4EAF1; } .entry:nth-child(2) .a { background: #5C6E82; }
.entry:nth-child(3) .thumb { background: #D7E8E6; } .entry:nth-child(3) .a { background: #2F7C78; }
.entry:nth-child(4) .thumb { background: #E7EEF6; } .entry:nth-child(4) .a { background: #173C6B; }
.entry:nth-child(5) .thumb { background: #DCE6F3; } .entry:nth-child(5) .a { background: #1F4E89; }
.entry:nth-child(6) .thumb { background: #E5F0EF; } .entry:nth-child(6) .a { background: #2F7C78; }
.entry:nth-child(7) .thumb { background: #E8EDF3; } .entry:nth-child(7) .a { background: #5C6E82; }
.entry:nth-child(8) .thumb { background: #D5E0EE; } .entry:nth-child(8) .a { background: #1F4E89; }
.eyebrow { color: var(--teal); font-size: 13px; margin-bottom: 4px; }
.entry h3 { font-size: 22px; }
.meta, .date { color: var(--muted); font-size: 13px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 6px; }
.tag {
 display: inline-block;
 border: 1px solid var(--line);
 border-radius: 8px;
 padding: 0 8px;
 color: var(--slate);
 background: #F7FAFC;
 font-size: 12px;
 line-height: 24px;
}
.step-row, .notice-grid, .read-grid, .stat-line {
 display: grid;
 gap: var(--gap);
}
.step-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.step {
 background: #fff;
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 24px;
 border-top: 3px solid var(--blue);
}
.step b { display: block; color: var(--blue); font-family: var(--serif); font-size: 22px; line-height: 1.2; margin-bottom: 8px; }
.step span { color: var(--muted); font-size: 14px; }
.filter-panel {
 display: grid;
 grid-template-columns: 1.4fr .8fr .8fr;
 gap: 16px;
}
.panel {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 24px;
}
.panel strong { display: block; font-family: var(--serif); font-size: 26px; color: var(--blue); line-height: 1.2; }
.panel em { font-style: normal; color: var(--muted); font-size: 13px; }
.read-grid { grid-template-columns: 8fr 4fr; align-items: stretch; }
.read-side { display: flex; flex-direction: column; gap: 16px; }
.read-card {
 display: block;
 background: #fff;
 color: inherit;
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 24px;
 border: 1px solid transparent;
 min-height: 72px;
}
.read-main { min-height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.read-main p, .read-card p, .step p, .notice p { color: var(--muted); }
.notice-grid { grid-template-columns: 1.2fr .8fr; }
.notice {
 background: #fff;
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 24px;
}
.notice ul { margin: 12px 0 0; padding: 0; list-style: none; }
.notice li {
 min-height: 72px;
 border-top: 1px solid var(--line);
 padding: 14px 0 14px 14px;
 border-left: 3px solid var(--teal);
 margin-top: 8px;
}
.faq { display: grid; gap: 12px; }
.faq details {
 background: #fff;
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 6px 18px;
}
.faq details[open] { border-left: 3px solid var(--blue); }
.faq summary { cursor: pointer; min-height: 52px; display: flex; align-items: center; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--muted); padding-bottom: 10px; }
.cta-band {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 28px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
}
.cta-band p { color: var(--muted); }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--radius-sm);
 border: 1px solid var(--blue);
 background: var(--blue);
 color: #fff;
 cursor: pointer;
 transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn.secondary { background: #fff; color: var(--blue); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-error, .form-success, .empty-note {
 border-radius: var(--radius-sm);
 padding: 12px 14px;
 margin: 0 0 8px;
}
.form-error { background: #F8F1F1; color: #7A3E3E; border: 1px solid #E4C8C8; }
.form-success { background: #F1F7F6; color: #1D5C58; border: 1px solid #C9E0DD; }
.empty-note { background: #fff; color: var(--muted); border: 1px dashed var(--line); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 40px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 28px; }
.site-footer h2 { font-size: 22px; }
.site-footer p { color: var(--muted); }
.site-footer a { display: block; color: var(--ink); margin: 6px 0; }
.copyright { margin-top: 22px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); padding-top: 16px; }
@media (hover: hover) and (pointer: fine) {
 .menu a:hover { color: var(--blue); }
 .btn:hover { background: var(--blue-deep); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
 .btn.secondary:hover { background: #F4F7FB; color: var(--blue-deep); }
 .entry:hover, .read-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
 .site-footer a:hover { color: var(--blue); }
}
@media (max-width: 1024px) {
 .mast-row, .filter-panel, .read-grid, .notice-grid, .cta-band, .foot-grid { grid-template-columns: 1fr; display: grid; }
 .mast-row { display: grid; }
 .sort-box { min-width: 0; }
 .step-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
 :root { --pad: 40px; }
 h1 { font-size: 30px; }
 h2 { font-size: 24px; }
 .topbar { height: auto; }
 .topbar .container { flex-wrap: wrap; height: auto; padding: 12px 0; align-items: flex-start; }
 .menu { width: 100%; flex-direction: column; align-items: stretch; gap: 0; }
 .menu a { padding: 10px 0; border-bottom: 1px solid var(--line); }
 .menu a.active { border-bottom-color: var(--line); box-shadow: inset 3px 0 0 var(--blue); }
 .crumbbar .container { align-items: flex-start; flex-wrap: wrap; padding: 8px 0; }
 .step-row { grid-template-columns: 1fr; }
 .entry-link { grid-template-columns: 112px 1fr; }
}
@media (max-width: 480px) {
 .container { width: min(var(--wide), calc(100% - 28px)); }
 .card, .panel, .notice, .step, .read-card, .cta-band, .sort-box { padding: 16px; }
 .entry-link { grid-template-columns: 1fr; }
 .thumb { height: 120px; }
 .btn, .btn-row .btn { width: 100%; }
 .filter-panel, .notice-grid { grid-template-columns: 1fr; }
}

/* roulang page: category2 */
:root {
 --blue: #1F4E89;
 --blue-deep: #173C6B;
 --slate: #5C6E82;
 --teal: #2F7C78;
 --bg: #F4F7FB;
 --card: #FFFFFF;
 --ink: #1C2833;
 --muted: #5E6A75;
 --line: #D5DEE8;
 --shadow: 0 10px 28px rgba(31, 78, 137, 0.08);
 --shadow-hover: 0 14px 32px rgba(31, 78, 137, 0.14);
 --radius: 12px;
 --radius-sm: 8px;
 --wide: 1120px;
 --gap: 28px;
 --pad: 72px;
 --serif: "Songti SC", "Source Han Serif SC", "STSong", "Noto Serif SC", serif;
 --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
/* roulang page: category2 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--ink);
 font-family: var(--sans);
 font-size: 16px;
 line-height: 1.8;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 16px; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
h1 {
 font-family: var(--serif);
 font-size: 40px;
 line-height: 1.25;
 font-weight: 700;
 margin: 0 0 12px;
}
h2 {
 font-family: var(--serif);
 font-size: 28px;
 line-height: 1.35;
 font-weight: 700;
 margin: 0 0 12px;
}
h3 {
 font-family: var(--serif);
 font-size: 22px;
 line-height: 1.4;
 margin: 0 0 8px;
}
.container { width: min(var(--wide), calc(100% - 40px)); margin: 0 auto; }
.topbar {
 height: 64px;
 background: #fff;
 border-bottom: 1px solid var(--line);
 position: sticky;
 top: 0;
 z-index: 20;
}
.topbar .container {
 height: 100%;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
}
.logo {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 color: var(--ink);
 font-family: var(--serif);
 font-size: 20px;
 font-weight: 700;
 line-height: 1.2;
}
.logo i {
 width: 3px;
 height: 18px;
 background: var(--blue);
 display: block;
 border-radius: 2px;
}
.menu { display: flex; align-items: center; gap: 28px; }
.menu a {
 color: var(--ink);
 padding: 8px 0;
 border-bottom: 2px solid transparent;
}
.menu a.active { color: var(--blue); border-bottom-color: var(--blue); }
.menu a:focus-visible, .logo:focus-visible, .btn:focus-visible, .back:focus-visible, .more:focus-visible, .week-row:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, .crumbs a:focus-visible {
 outline: 2px solid var(--blue);
 outline-offset: 2px;
}
.crumbbar { background: #fff; border-bottom: 1px solid var(--line); }
.crumb-inner {
 min-height: 48px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 padding: 8px 0;
}
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--muted); font-size: 14px; margin: 0; padding: 0; }
.crumbs strong { color: var(--ink); font-weight: 700; }
.back { color: var(--blue); font-size: 14px; white-space: nowrap; }
main { display: block; }
.section { padding: var(--pad) 0; }
.section.alt { background: #fff; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head p, .lead, .muted { color: var(--muted); margin: 0; }
.mast-copy { max-width: 640px; }
.eyebrow { color: var(--teal); font-size: 13px; margin: 0 0 4px; }
.meta, .date, time { color: var(--muted); font-size: 13px; }
.card, .topic-card, .quote, .mini-note, .close-inner, .table-wrap {
 background: var(--card);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 border: 1px solid transparent;
}
.card { padding: 24px; }
.adult-tag {
 display: inline-block;
 background: var(--teal);
 color: #fff;
 border-radius: 8px;
 padding: 2px 8px;
 font-size: 12px;
 line-height: 1.6;
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--radius-sm);
 border: 1px solid var(--blue);
 background: var(--blue);
 color: #fff;
 cursor: pointer;
 transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn.secondary { background: #fff; color: var(--blue); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.more {
 display: inline-flex;
 margin-top: 10px;
 color: var(--blue);
 border-bottom: 1px solid transparent;
}
.topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.topic-card {
 display: grid;
 grid-template-columns: 128px 1fr;
 gap: 16px;
 padding: 24px;
}
.topic-visual {
 position: relative;
 min-height: 132px;
 border-radius: var(--radius-sm);
 background: #E7EEF6;
 overflow: hidden;
}
.topic-visual .adult-tag { position: absolute; left: 8px; top: 8px; z-index: 1; }
.swatch { position: absolute; border-radius: 8px; }
.s1 { width: 72%; height: 46%; left: 14%; top: 38%; background: #1F4E89; }
.s2 { width: 54%; height: 58%; right: 10%; bottom: 12%; background: #2F7C78; }
.s3 { width: 64%; height: 34%; left: 12%; top: 42%; background: #5C6E82; }
.s4 { width: 48%; height: 48%; left: 18%; top: 30%; background: #1F4E89; }
.s5 { width: 70%; height: 28%; left: 10%; bottom: 18%; background: #2F7C78; }
.s6 { width: 40%; height: 62%; right: 16%; top: 18%; background: #173C6B; }
.topic-card p { margin: 0 0 8px; }
.count-line { display: flex; flex-wrap: wrap; gap: 8px 14px; color: var(--muted); font-size: 13px; }
.count-line b { color: var(--blue); font-family: var(--serif); font-size: 18px; font-weight: 700; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
caption {
 text-align: left;
 padding: 18px 18px 0;
 font-family: var(--serif);
 font-size: 18px;
 color: var(--ink);
}
th, td {
 text-align: left;
 padding: 16px 18px;
 border-bottom: 1px solid var(--line);
 vertical-align: top;
}
th { color: var(--slate); font-weight: 700; background: #F8FBFE; font-size: 14px; }
td { font-size: 15px; }
.num { color: var(--blue); font-variant-numeric: tabular-nums; font-size: 14px; }
.week-list { display: flex; flex-direction: column; gap: 16px; }
.week-row {
 display: grid;
 grid-template-columns: 92px 1fr auto;
 gap: 16px;
 align-items: center;
 min-height: 72px;
 padding: 16px 18px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 color: inherit;
}
.week-row strong { display: block; color: var(--ink); font-size: 18px; line-height: 1.5; }
.thumb {
 width: 92px;
 height: 72px;
 border-radius: 8px;
 background: #1F4E89;
 position: relative;
}
.thumb::after {
 content: "成年内容";
 position: absolute;
 left: 6px;
 bottom: 6px;
 background: var(--teal);
 color: #fff;
 border-radius: 6px;
 font-size: 12px;
 line-height: 1.4;
 padding: 1px 6px;
}
.thumb.b { background: #2F7C78; }
.thumb.c { background: #5C6E82; }
.suggest-grid { display: grid; grid-template-columns: 8fr 4fr; gap: var(--gap); align-items: stretch; }
.note-list { display: flex; flex-direction: column; gap: 16px; }
.mini-note { padding: 18px 20px; }
.mini-note b { display: block; margin-bottom: 4px; }
.mini-note span { color: var(--muted); font-size: 14px; }
.review-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--gap); align-items: stretch; }
.quote { padding: 24px; margin: 0; }
.quote p { margin: 0 0 16px; font-size: 18px; line-height: 1.7; }
.quote.narrow p { font-size: 16px; }
.quote footer { color: var(--muted); font-size: 13px; }
.faq { display: grid; gap: 12px; }
.faq details {
 background: #fff;
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 6px 18px;
}
.faq details[open] { border-left: 3px solid var(--blue); }
.faq summary { cursor: pointer; min-height: 52px; display: flex; align-items: center; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--muted); padding-bottom: 10px; }
.close-inner {
 padding: 28px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
}
.close-inner p { margin: 0; color: var(--muted); }
form { display: grid; gap: 12px; }
input, select {
 width: 100%;
 min-height: 44px;
 border: 1px solid var(--line);
 border-radius: var(--radius-sm);
 padding: 8px 12px;
 background: #fff;
 color: var(--ink);
}
input:focus, select:focus { border-color: var(--blue); outline: 2px solid var(--blue); outline-offset: 2px; }
.form-error, .form-success, .empty-note {
 border-radius: var(--radius-sm);
 padding: 12px 14px;
 margin: 0 0 8px;
}
.form-error { background: #F8F1F1; color: #7A3E3E; border: 1px solid #E4C8C8; }
.form-success { background: #F1F7F6; color: #1D5C58; border: 1px solid #C9E0DD; }
.empty-note { background: #fff; color: var(--muted); border: 1px solid var(--line); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 40px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 28px; }
.site-footer h2 { font-size: 22px; }
.site-footer p { color: var(--muted); margin: 0 0 8px; }
.site-footer a { display: block; color: var(--ink); margin: 6px 0; }
.copyright { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
@media (hover: hover) and (pointer: fine) {
 .menu a:hover { color: var(--blue); }
 .btn:hover { background: var(--blue-deep); transform: translateY(-1px); box-shadow: var(--shadow); }
 .btn.secondary:hover { background: #fff; color: var(--blue-deep); }
 .topic-card:hover, .week-row:hover, .quote:hover, .mini-note:hover, .card:hover { box-shadow: var(--shadow-hover); }
 .more:hover, .back:hover, .site-footer a:hover { color: var(--blue-deep); }
 .more:hover { border-bottom-color: var(--blue); }
 tbody tr:hover td { background: #F8FBFE; }
}
.btn:active { transform: translateY(0); background: var(--blue-deep); }
@media (max-width: 1024px) {
 .suggest-grid, .review-grid { grid-template-columns: 1fr; }
 .close-inner { align-items: flex-start; }
}
@media (max-width: 768px) {
 :root { --pad: 40px; }
 h1 { font-size: 30px; }
 .topbar { height: auto; }
 .topbar .container {
  height: auto;
  flex-direction: column;
  align-items: flex-start;
  padding: 12px 0 10px;
 }
 .menu { flex-direction: column; align-items: flex-start; gap: 0; width: 100%; }
 .menu a { width: 100%; padding: 8px 0; border-bottom: 1px solid var(--line); }
 .menu a.active { border-bottom-color: var(--line); box-shadow: inset 3px 0 0 var(--blue); padding-left: 8px; }
 .crumb-inner { flex-wrap: wrap; align-items: flex-start; }
 .topic-grid, .foot-grid { grid-template-columns: 1fr; }
 .week-row { grid-template-columns: 72px 1fr; }
 .week-row time { grid-column: 2; }
 .thumb { width: 72px; height: 64px; }
}
@media (max-width: 520px) {
 .topic-card { grid-template-columns: 1fr; }
 .topic-visual { min-height: 96px; }
 .close-inner { flex-direction: column; }
}
@media (max-width: 480px) {
 .container { width: min(var(--wide), calc(100% - 28px)); }
 .card, .topic-card, .quote, .close-inner { padding: 16px; }
 .btn, .close-inner .btn { width: 100%; }
 th, td { padding: 12px; }
}