/* roulang page: index */
:root {
  --bg: #0B1220;
  --bg-2: #121A2B;
  --bg-3: #182338;
  --glass: rgba(255,255,255,.09);
  --glass-2: rgba(255,255,255,.12);
  --line: rgba(255,255,255,.16);
  --line-blue: rgba(61,220,255,.35);
  --text: #F4F7FB;
  --muted: #B7C3D6;
  --dim: #8B9BB3;
  --cyan: #3DDCFF;
  --blue: #2F6BFF;
  --amber: #E0A36A;
  --rose: #C45C6A;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 14px 36px rgba(0,0,0,.32);
  --nav-h: 72px;
  --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color .2s ease, border-color .2s ease; }
a:hover { color: var(--amber); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
button, input, select, textarea { font-family: inherit; }
p { margin: 0 0 12px; }
h1, h2, h3, h4 { line-height: 1.35; margin: 0 0 10px; font-weight: 700; color: var(--text); }
h1 { font-size: clamp(30px, 4vw, 46px); letter-spacing: .5px; }
h2 { font-size: clamp(22px, 2.4vw, 30px); }
h3 { font-size: 18px; }
.container { max-width: var(--max); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(90deg, #070d18 0%, #102848 68%, #3a2430 100%);
  border-bottom: 1px solid rgba(224,163,106,.28);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.navbar { min-height: var(--nav-h); padding: 10px 0; }
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text) !important;
  text-decoration: none !important;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .3px;
  max-width: 42vw;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex: 0 0 36px;
  background: radial-gradient(circle at 30% 30%, var(--cyan), var(--blue) 55%, var(--rose));
  box-shadow: 0 0 16px rgba(61,220,255,.55);
}
.nav-link {
  color: var(--muted) !important;
  font-size: 15px;
  padding: 8px 12px !important;
  border-radius: 999px;
  position: relative;
}
.nav-link:hover, .nav-link:focus {
  color: var(--text) !important;
  background: rgba(255,255,255,.08);
  text-decoration: none;
}
.nav-link.active {
  color: var(--text) !important;
  background: rgba(61,220,255,.12);
  box-shadow: inset 0 -2px 0 var(--amber);
}
.btn-glow, .btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-decoration: none !important;
  line-height: 1.2;
}
.btn-glow {
  background: linear-gradient(180deg, #d36b78, var(--rose));
  color: #fff !important;
  box-shadow: 0 0 0 1px rgba(224,163,106,.35), 0 8px 22px rgba(196,92,106,.35);
}
.btn-glow:hover { color: #fff !important; box-shadow: 0 0 18px rgba(224,163,106,.65); transform: translateY(-1px); }
.btn-glow:active { transform: translateY(1px); }
.btn-line {
  background: rgba(255,255,255,.06);
  color: var(--text) !important;
  border-color: var(--line-blue);
}
.btn-line:hover { color: var(--amber) !important; border-color: var(--amber); background: rgba(224,163,106,.08); }
.navbar-toggler {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(61,220,255,.35); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F4F7FB' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}
.navbar-collapse {
  background: transparent;
}
section { padding: 68px 0; position: relative; }
section + section { border-top: 1px solid rgba(255,255,255,.05); }
.alt { background: var(--bg-2); }
.sec-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.sec-lead { color: var(--muted); max-width: 760px; margin-bottom: 22px; }
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.badge-cool, .badge-warm {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.7;
  white-space: nowrap;
}
.badge-cool { color: var(--cyan); border: 1px solid rgba(61,220,255,.45); background: rgba(61,220,255,.08); }
.badge-warm { color: #2a140f; background: var(--amber); border: 1px solid transparent; font-weight: 700; }
.board {
  padding: 28px 0 8px;
  background:
    radial-gradient(900px 320px at 10% 0%, rgba(47,107,255,.28), transparent 60%),
    radial-gradient(700px 280px at 90% 20%, rgba(196,92,106,.18), transparent 55%),
    var(--bg);
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 18px; }
.chip-row a {
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  background: rgba(255,255,255,.04);
  text-decoration: none;
  font-size: 13px;
}
.chip-row a:hover, .chip-row a:focus { color: var(--text); border-color: var(--amber); }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 8px; }
.metric {
  padding: 16px 16px 14px;
  border: 1px solid rgba(61,220,255,.35);
  box-shadow: inset 0 0 0 1px rgba(61,220,255,.08), 0 0 22px rgba(47,107,255,.15);
}
.metric b { display: block; font-size: 28px; color: var(--cyan); letter-spacing: .5px; }
.metric span { color: var(--dim); font-size: 13px; }
.matrix { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.matrix a.tile, .scene-card, .pick, .voice, .guard, .news-item, .faq-item, .form-card, .channel, .note {
  color: inherit;
}
.tile { padding: 18px; min-height: 168px; display: flex; flex-direction: column; gap: 8px; text-decoration: none !important; color: var(--text) !important; }
.tile:hover, .channel:hover, .pick:hover, .news-item:hover { border-color: rgba(224,163,106,.55); transform: translateY(-2px); }
.tile p, .scene-card p, .pick p, .voice p, .channel p { color: var(--muted); margin: 0; font-size: 14px; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { padding: 20px; }
.panel h3 { display: flex; justify-content: space-between; align-items: center; }
.bar-row { margin: 14px 0; }
.bar-row em { display: flex; justify-content: space-between; font-style: normal; color: var(--muted); font-size: 14px; }
.track { height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); margin-top: 6px; overflow: hidden; }
.fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--cyan)); box-shadow: 0 0 10px rgba(61,220,255,.6); }
.fill.warm { background: linear-gradient(90deg, var(--rose), var(--amber)); box-shadow: 0 0 10px rgba(224,163,106,.45); }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--amber));
}
.node { padding: 16px; position: relative; }
.dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 0 4px rgba(61,220,255,.18);
  margin-bottom: 12px; position: relative; z-index: 1;
}
.node small { color: var(--amber); display: block; }
.node p { color: var(--muted); font-size: 14px; margin: 0; }
.news-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 8px; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item {
  display: grid;
  grid-template-columns: 168px 92px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px;
  text-decoration: none !important;
  color: var(--text) !important;
}
.ph {
  width: 100%;
  height: 84px;
  border-radius: 12px;
  object-fit: cover;
  background: linear-gradient(135deg, #152238, #2F6BFF 70%, #C45C6A);
}
.news-meta { color: var(--dim); font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.news-item h3 { font-size: 17px; margin-bottom: 4px; }
.news-item p { margin: 0; color: var(--muted); font-size: 14px; }
.news-item .dot-live {
  width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan); display: inline-block; margin-right: 6px;
}
.channels { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.channel { padding: 22px; min-height: 210px; display: flex; flex-direction: column; justify-content: space-between; text-decoration: none !important; color: var(--text) !important; }
.channel strong { color: var(--amber); font-size: 13px; }
.scenes { display: grid; grid-template-columns: 1.3fr 1fr .8fr; gap: 14px; }
.scene-card { padding: 20px; min-height: 230px; }
.scene-card a { font-weight: 700; }
.picks { display: grid; grid-template-columns: 1.4fr .8fr; gap: 14px; }
.pick { padding: 18px; text-decoration: none !important; color: var(--text) !important; display: block; }
.pick.big { min-height: 280px; background:
  linear-gradient(160deg, rgba(11,18,32,.2), rgba(11,18,32,.72)),
  linear-gradient(135deg, #1a2b4d, #6a3140);
}
.stack { display: flex; flex-direction: column; gap: 14px; }
.guards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.guard { padding: 16px; display: flex; gap: 12px; align-items: flex-start; }
.ico {
  width: 40px; height: 40px; border-radius: 12px; flex: 0 0 40px;
  display: grid; place-items: center;
  background: rgba(47,107,255,.18);
  border: 1px solid var(--line-blue);
  color: var(--cyan);
  font-weight: 800;
}
.guard p { margin: 0; color: var(--muted); font-size: 14px; }
.voices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.voice { padding: 18px; }
.voice header { display: flex; justify-content: space-between; color: var(--dim); font-size: 13px; margin-bottom: 8px; }
.stars { color: var(--amber); letter-spacing: 2px; }
.caps { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cap { padding: 14px 16px; border-radius: 999px; }
.cap b { display: block; }
.cap span { color: var(--muted); font-size: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
}
.tag:hover, .tag:focus, .tag.active {
  border-color: var(--amber);
  color: #2a140f;
  background: var(--amber);
}
.faq-item { margin-bottom: 10px; overflow: hidden; }
.faq-item button {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 0;
  padding: 16px 18px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.faq-item button::after { content: "＋"; color: var(--amber); }
.faq-item button[aria-expanded="true"]::after { content: "－"; }
.faq-item .collapse, .faq-item .collapsing { padding: 0 18px 14px; color: var(--muted); }
.faq-item.show, .faq-item:has(.show) { background: rgba(255,255,255,.12); }
.form-card { padding: 22px; }
label { display: block; color: var(--muted); font-size: 14px; margin-bottom: 6px; }
.field, select.field, textarea.field {
  width: 100%;
  background: #0d1524;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 14px;
}
.field:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(61,220,255,.2); }
.ok { display: none; color: var(--cyan); margin-top: 10px; }
.site-footer {
  background: #080e18;
  border-top: 1px solid rgba(224,163,106,.25);
  padding: 42px 0 20px;
  color: var(--muted);
}
.foot-brand { color: var(--text); font-weight: 800; font-size: 18px; margin-bottom: 8px; }
.foot-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 22px; }
.site-footer a { color: var(--muted); }
.site-footer h3 { font-size: 15px; color: var(--amber); }
.fine { border-top: 1px solid rgba(255,255,255,.08); margin-top: 22px; padding-top: 14px; color: var(--dim); font-size: 13px; }
.hidden-item { display: none !important; }
@media (max-width: 1199px) {
  .metric b { font-size: 24px; }
}
@media (max-width: 991px) {
  .metric-grid, .guards, .timeline { grid-template-columns: 1fr 1fr; }
  .timeline::before { display: none; }
  .matrix, .voices, .caps, .picks, .channels, .scenes, .compare, .foot-grid { grid-template-columns: 1fr 1fr; }
  .news-item { grid-template-columns: 120px 1fr; }
  .news-meta { grid-column: 1 / -1; flex-direction: row; }
  .brand { max-width: 70vw; font-size: 14px; }
  .navbar-collapse {
    background: rgba(12, 18, 32, .94);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 10px;
    margin-top: 8px;
    backdrop-filter: blur(16px);
  }
}
@media (max-width: 767px) {
  section { padding: 48px 0; }
  .matrix, .voices, .caps, .picks, .channels, .scenes, .compare, .foot-grid, .metric-grid, .guards { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .cap { border-radius: 16px; }
  .news-head { flex-direction: column; align-items: flex-start; }
  .brand { max-width: none; }
}
@media (max-width: 520px) {
  h1 { font-size: 28px; }
  .btn-glow, .btn-line { width: 100%; }
  .board .d-flex.gap-2 { flex-direction: column; }
}

/* roulang page: category2 */
:root {
  --bg: #0B1220;
  --bg-2: #121A2B;
  --bg-3: #182338;
  --glass: rgba(255,255,255,.09);
  --glass-2: rgba(255,255,255,.12);
  --line: rgba(255,255,255,.16);
  --line-blue: rgba(61,220,255,.35);
  --text: #F4F7FB;
  --muted: #B7C3D6;
  --dim: #8B9BB3;
  --cyan: #3DDCFF;
  --blue: #2F6BFF;
  --amber: #E0A36A;
  --rose: #C45C6A;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 14px 36px rgba(0,0,0,.32);
  --nav-h: 72px;
  --max: 1140px;
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .15s ease, box-shadow .2s ease; }
a:hover { color: var(--amber); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
button, input, select, textarea { font-family: inherit; }
.container { max-width: var(--max); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(90deg, #070d18 0%, #102848 68%, #3a2430 100%);
  border-bottom: 1px solid rgba(224,163,106,.28);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.navbar { min-height: var(--nav-h); padding: 10px 0; }
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text) !important;
  text-decoration: none !important;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .3px;
  max-width: 62vw;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex: 0 0 36px;
  background: radial-gradient(circle at 30% 30%, var(--cyan), var(--blue) 55%, var(--rose));
  box-shadow: 0 0 16px rgba(61,220,255,.55);
}
.nav-link {
  color: var(--muted) !important;
  font-size: 15px;
  padding: 8px 12px !important;
  border-radius: 999px;
  position: relative;
}
.nav-link:hover, .nav-link:focus {
  color: var(--text) !important;
  background: rgba(255,255,255,.08);
  text-decoration: none;
}
.nav-link.active {
  color: var(--text) !important;
  background: rgba(61,220,255,.12);
  box-shadow: inset 0 -2px 0 var(--amber);
}
.btn-glow, .btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-decoration: none !important;
  line-height: 1.2;
}
.btn-glow {
  background: linear-gradient(180deg, #d36b78, var(--rose));
  color: #fff !important;
  box-shadow: 0 0 0 1px rgba(224,163,106,.35), 0 8px 22px rgba(196,92,106,.35);
}
.btn-glow:hover { color: #fff !important; box-shadow: 0 0 18px rgba(224,163,106,.65); transform: translateY(-1px); }
.btn-glow:active { transform: translateY(1px); }
.btn-line {
  background: rgba(255,255,255,.06);
  color: var(--text) !important;
  border-color: var(--line-blue);
}
.btn-line:hover { color: var(--amber) !important; border-color: var(--amber); background: rgba(224,163,106,.08); }
.btn-line:active { transform: translateY(1px); }
.navbar-toggler {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(61,220,255,.35); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F4F7FB' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}
.navbar-collapse { background: transparent; }
section { padding: 68px 0; position: relative; }
section + section { border-top: 1px solid rgba(255,255,255,.05); }
.band-a { background: var(--bg); }
.band-b { background: var(--bg-2); }
.band-c { background: linear-gradient(180deg, var(--bg-2), #10182a 70%, var(--bg)); }
h1 { font-size: 36px; line-height: 1.28; font-weight: 800; margin: 12px 0 10px; letter-spacing: .2px; }
h2 { font-size: 26px; line-height: 1.35; font-weight: 800; margin: 0 0 8px; }
h3 { font-size: 18px; line-height: 1.45; font-weight: 750; margin: 0 0 6px; color: var(--text); }
.sec-lead { color: var(--muted); max-width: 760px; margin-bottom: 22px; }
.sec-kicker { color: var(--amber); font-size: 13px; letter-spacing: .8px; margin: 0 0 6px; }
.badge-cool, .badge-warm {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.7;
  white-space: nowrap;
}
.badge-cool { color: var(--cyan); border: 1px solid rgba(61,220,255,.45); background: rgba(61,220,255,.08); }
.badge-warm { color: #2a140f; background: var(--amber); border: 1px solid transparent; font-weight: 700; }
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.glass-soft {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}
.head-band {
  display: grid;
  grid-template-columns: 1.45fr .8fr;
  gap: 22px;
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.head-band::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -60px;
  top: -80px;
  background: radial-gradient(circle, rgba(61,220,255,.18), transparent 68%);
  pointer-events: none;
}
.head-copy, .head-side { position: relative; z-index: 1; }
.head-side {
  padding: 18px 18px 16px;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}
.head-side p { margin: 0; color: var(--muted); font-size: 14px; }
.limit-line {
  margin: 8px 0 0;
  color: var(--amber);
  font-size: 14px;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; }
.flow { display: flex; flex-direction: column; }
.flow-item {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 8px 18px;
  padding: 8px 0 18px;
}
.rail {
  position: relative;
  padding: 18px 0 0 18px;
  color: var(--dim);
  font-size: 13px;
}
.rail strong { display: block; color: var(--text); font-size: 14px; font-weight: 700; }
.rail::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  bottom: -8px;
  width: 2px;
  background: linear-gradient(var(--cyan), rgba(196,92,106,.55));
}
.flow-item:last-child .rail::before { bottom: 18px; }
.rail::after {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
.flow-card {
  display: grid;
  grid-template-columns: 1fr 108px;
  gap: 16px;
  padding: 16px 16px 14px;
  color: inherit;
  transition: border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}
.flow-card:hover { border-color: rgba(224,163,106,.55); transform: translateY(-2px); }
.flow-card p { margin: 0; color: var(--muted); font-size: 14px; }
.flow-top { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.thumb {
  width: 108px;
  height: 84px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-blue);
  background:
    radial-gradient(circle at 32% 30%, rgba(224,163,106,.9), transparent 46%),
    linear-gradient(145deg, #183056, #3a2430 72%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.05);
}
.thumb.b { background: radial-gradient(circle at 70% 30%, rgba(61,220,255,.75), transparent 42%), linear-gradient(160deg, #14284a, #2a3148); }
.thumb.c { background: radial-gradient(circle at 40% 70%, rgba(196,92,106,.8), transparent 46%), linear-gradient(160deg, #1b2744, #3d2434); }
.tiers { display: flex; flex-direction: column; gap: 16px; }
.tier {
  padding: 16px 18px 14px;
}
.tier em { display: flex; justify-content: space-between; gap: 12px; font-style: normal; color: var(--text); font-size: 15px; }
.tier span { color: var(--dim); font-size: 13px; }
.tier p { margin: 6px 0 10px; color: var(--muted); font-size: 14px; }
.track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
}
.fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  box-shadow: 0 0 12px rgba(61,220,255,.45);
}
.fill.warm { background: linear-gradient(90deg, var(--rose), var(--amber)); box-shadow: 0 0 12px rgba(224,163,106,.4); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: var(--text);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  text-decoration: none !important;
  font-size: 14px;
}
.tag:hover, .tag:focus, .tag.active {
  border-color: var(--amber);
  color: #2a140f !important;
  background: var(--amber);
  text-decoration: none;
}
.note-card { padding: 22px 24px; }
.note-card p { margin: 0; color: var(--muted); }
.note-card p + p { margin-top: 10px; }
.guard-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.guard {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
}
.guard i {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  border: 1px solid var(--line-blue);
  background: rgba(61,220,255,.08);
  font-style: normal;
  font-weight: 800;
}
.guard p { margin: 0; color: var(--muted); font-size: 14px; }
.read-list { display: flex; flex-direction: column; gap: 10px; }
.read-item {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  color: var(--text) !important;
  text-decoration: none !important;
}
.read-item:hover { border-color: rgba(224,163,106,.55); transform: translateY(-2px); }
.read-item p { margin: 0; color: var(--muted); font-size: 14px; }
.read-item .date { color: var(--dim); font-size: 13px; }
.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
}
.action-bar p { margin: 0; color: var(--muted); }
.site-footer {
  background: #070d18;
  border-top: 1px solid rgba(224,163,106,.28);
  padding: 42px 0 28px;
  color: var(--muted);
}
.foot-brand { font-weight: 800; color: var(--text); font-size: 18px; margin-bottom: 18px; }
.foot-grid { display: grid; grid-template-columns: 1.1fr 1.4fr 1.2fr; gap: 22px; }
.foot-grid h3 { font-size: 15px; color: var(--text); margin-bottom: 8px; }
.foot-grid p { margin: 0 0 6px; font-size: 14px; }
.foot-grid a { color: var(--muted); }
.foot-grid a:hover { color: var(--amber); }
.fine {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 13px;
}
@media (max-width: 1199.98px) {
  .container { max-width: 960px; }
}
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(11,18,32,.96);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px;
    margin-top: 8px;
    backdrop-filter: blur(16px);
  }
  .head-band, .guard-row, .foot-grid { grid-template-columns: 1fr; }
  h1 { font-size: 30px; }
  .read-item { grid-template-columns: 92px 1fr; }
  .read-item .go { display: none; }
}
@media (max-width: 767.98px) {
  section { padding: 46px 0; }
  h1 { font-size: 26px; }
  h2 { font-size: 22px; }
  .flow-item { grid-template-columns: 1fr; gap: 0; }
  .rail { min-height: 0; padding-bottom: 0; }
  .rail::before { bottom: 0; }
  .flow-card { grid-template-columns: 1fr 88px; }
  .thumb { width: 88px; height: 72px; }
  .action-bar { flex-direction: column; align-items: flex-start; }
  .brand { font-size: 14px; max-width: 70vw; }
}
@media (max-width: 575.98px) {
  .head-band, .head-side, .note-card, .flow-card, .tier, .guard, .read-item, .action-bar { padding: 14px; }
  .flow-card { grid-template-columns: 1fr; }
  .thumb { width: 100%; height: 92px; }
  .container { padding-left: 16px; padding-right: 16px; }
}

/* roulang page: category1 */
:root {
 --bg: #0B1220;
 --bg-2: #121A2B;
 --bg-3: #182338;
 --glass: rgba(255,255,255,.09);
 --glass-2: rgba(255,255,255,.12);
 --line: rgba(255,255,255,.16);
 --line-blue: rgba(61,220,255,.35);
 --text: #F4F7FB;
 --muted: #B7C3D6;
 --dim: #8B9BB3;
 --cyan: #3DDCFF;
 --blue: #2F6BFF;
 --amber: #E0A36A;
 --rose: #C45C6A;
 --radius: 16px;
 --radius-sm: 12px;
 --shadow: 0 14px 36px rgba(0,0,0,.32);
 --nav-h: 72px;
 --max: 1140px;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 background:
  radial-gradient(900px 420px at 8% -10%, rgba(47,107,255,.22), transparent 60%),
  radial-gradient(700px 320px at 100% 0%, rgba(196,92,106,.14), transparent 55%),
  var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .15s ease; }
a:hover { color: var(--amber); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--cyan);
 outline-offset: 2px;
}
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.25; font-weight: 800; margin: 0 0 10px; letter-spacing: .2px; }
h2 { font-size: 26px; line-height: 1.35; font-weight: 800; margin: 0 0 12px; }
h3 { font-size: 18px; line-height: 1.45; font-weight: 750; margin: 0 0 8px; }
.container { max-width: var(--max); }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: linear-gradient(90deg, #070d18 0%, #102848 68%, #3a2430 100%);
 border-bottom: 1px solid rgba(224,163,106,.28);
 box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.navbar { min-height: var(--nav-h); padding: 10px 0; }
.brand {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--text) !important;
 text-decoration: none !important;
 font-weight: 800;
 font-size: 16px;
 letter-spacing: .3px;
 max-width: 42vw;
 line-height: 1.25;
}
.brand-mark {
 width: 36px;
 height: 36px;
 border-radius: 50%;
 flex: 0 0 36px;
 background: radial-gradient(circle at 30% 30%, var(--cyan), var(--blue) 55%, var(--rose));
 box-shadow: 0 0 16px rgba(61,220,255,.55);
}
.nav-link {
 color: var(--muted) !important;
 font-size: 15px;
 padding: 8px 12px !important;
 border-radius: 999px;
 position: relative;
}
.nav-link:hover, .nav-link:focus {
 color: var(--text) !important;
 background: rgba(255,255,255,.08);
 text-decoration: none;
}
.nav-link.active {
 color: var(--text) !important;
 background: rgba(61,220,255,.12);
 box-shadow: inset 0 -2px 0 var(--amber);
}
.btn-glow, .btn-line {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 6px;
 border-radius: var(--radius-sm);
 padding: 10px 18px;
 font-weight: 700;
 border: 1px solid transparent;
 cursor: pointer;
 transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
 text-decoration: none !important;
 line-height: 1.2;
}
.btn-glow {
 background: linear-gradient(180deg, #d36b78, var(--rose));
 color: #fff !important;
 box-shadow: 0 0 0 1px rgba(224,163,106,.35), 0 8px 22px rgba(196,92,106,.35);
}
.btn-glow:hover { color: #fff !important; box-shadow: 0 0 18px rgba(224,163,106,.65); transform: translateY(-1px); }
.btn-glow:active { transform: translateY(1px); }
.btn-line {
 background: rgba(255,255,255,.06);
 color: var(--text) !important;
 border-color: var(--line-blue);
}
.btn-line:hover { color: var(--amber) !important; border-color: var(--amber); background: rgba(224,163,106,.08); }
.btn-line:active { transform: translateY(1px); }
.navbar-toggler {
 border: 1px solid var(--line);
 background: rgba(255,255,255,.06);
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(61,220,255,.35); }
.navbar-toggler-icon {
 background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F4F7FB' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
}
.navbar-collapse { background: transparent; }
section { padding: 68px 0; position: relative; }
section + section { border-top: 1px solid rgba(255,255,255,.05); }
section.alt { background: linear-gradient(180deg, rgba(18,26,43,.92), rgba(11,18,32,.2)); }
.sec-lead { color: var(--muted); max-width: 760px; margin: 0 0 22px; }
.badge-cool, .badge-warm {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 2px 10px;
 font-size: 12px;
 line-height: 1.7;
 white-space: nowrap;
}
.badge-cool { color: var(--cyan); border: 1px solid rgba(61,220,255,.45); background: rgba(61,220,255,.08); }
.badge-warm { color: #2a140f; background: var(--amber); border: 1px solid transparent; font-weight: 700; }
.glass {
 background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(18,26,43,.78));
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 backdrop-filter: blur(14px);
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 18px; }
.chip-row a, .tag {
 color: var(--muted);
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 4px 12px;
 background: rgba(255,255,255,.04);
 text-decoration: none;
 font-size: 13px;
}
.tag {
 color: var(--text);
 padding: 7px 14px;
 cursor: pointer;
}
.chip-row a:hover, .chip-row a:focus, .tag:hover, .tag:focus, .tag.active {
 color: #2a140f;
 border-color: var(--amber);
 background: var(--amber);
 text-decoration: none;
}
.site-footer {
 padding: 48px 0 28px;
 background: #070d18;
 border-top: 1px solid rgba(224,163,106,.28);
}
.foot-brand { font-weight: 800; font-size: 18px; margin-bottom: 18px; }
.foot-grid { display: grid; grid-template-columns: 1.1fr 1.4fr 1.2fr; gap: 22px; }
.site-footer h3 { font-size: 15px; margin-bottom: 8px; color: var(--amber); }
.site-footer p { margin: 0 0 6px; color: var(--muted); font-size: 14px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--amber); }
.fine {
 margin-top: 22px;
 padding-top: 14px;
 border-top: 1px solid rgba(255,255,255,.08);
 color: var(--dim);
 font-size: 13px;
}
.cat-panel { padding: 28px 28px 24px; }
.cat-head {
 display: grid;
 grid-template-columns: minmax(0, 1.5fr) minmax(220px, .7fr);
 gap: 22px;
 align-items: end;
}
.cat-kicker { color: var(--amber); font-size: 13px; font-weight: 700; letter-spacing: .4px; margin-bottom: 8px; }
.cat-note { color: var(--muted); margin: 0; max-width: 640px; }
.head-side {
 display: flex;
 flex-direction: column;
 align-items: flex-start;
 gap: 10px;
 padding: 16px;
 border-left: 1px solid rgba(224,163,106,.35);
}
.head-side strong { font-size: 28px; line-height: 1; color: var(--text); }
.head-side span.dim { color: var(--dim); font-size: 13px; }
.side-row { display: flex; flex-wrap: wrap; gap: 8px; }
.duo {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 14px;
}
.entry {
 padding: 16px 16px 14px;
 min-height: 214px;
 display: flex;
 flex-direction: column;
 transition: transform .15s ease, border-color .2s ease, box-shadow .2s ease;
}
.entry:hover { border-color: rgba(224,163,106,.55); transform: translateY(-2px); box-shadow: 0 16px 32px rgba(0,0,0,.4), 0 0 0 1px rgba(61,220,255,.18); }
.entry-top, .slim-top {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 8px;
 margin-bottom: 10px;
}
.entry time, .slim-card time, .rel-list time { color: var(--dim); font-size: 13px; }
.entry p { color: var(--muted); margin: 0 0 12px; font-size: 14px; flex: 1; }
.entry-link { font-weight: 700; font-size: 14px; }
.dot-live {
 width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
 box-shadow: 0 0 8px var(--cyan); display: inline-block; margin-right: 6px;
}
.filter-bar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.filter-group {
 padding: 16px;
}
.filter-group h3 { font-size: 15px; color: var(--text); }
.filter-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-opt {
 border: 1px solid var(--line);
 background: rgba(255,255,255,.04);
 color: var(--muted);
 border-radius: 999px;
 padding: 6px 12px;
 font-size: 13px;
 cursor: pointer;
 transition: border-color .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease;
}
.filter-opt:hover { color: var(--text); border-color: var(--cyan); }
.filter-opt.is-on {
 border-color: var(--amber);
 color: var(--amber);
 background: rgba(224,163,106,.12);
 box-shadow: inset 0 0 0 1px var(--amber);
}
.filter-opt:active { transform: translateY(1px); }
.h-scroll {
 display: flex;
 gap: 14px;
 overflow-x: auto;
 padding: 4px 2px 12px;
 scroll-snap-type: x mandatory;
}
.h-scroll::-webkit-scrollbar { height: 8px; }
.h-scroll::-webkit-scrollbar-thumb { background: rgba(61,220,255,.35); border-radius: 999px; }
.slim-card {
 flex: 0 0 188px;
 min-height: 268px;
 scroll-snap-align: start;
 padding: 14px;
 display: flex;
 flex-direction: column;
 color: var(--text) !important;
 text-decoration: none !important;
}
.slim-card:hover { border-color: rgba(224,163,106,.55); transform: translateY(-2px); }
.ph {
 height: 112px;
 border-radius: 12px;
 margin-bottom: 12px;
 border: 1px solid var(--line-blue);
}
.ph-a { background: linear-gradient(160deg, rgba(61,220,255,.35), rgba(18,26,43,.2) 55%, rgba(196,92,106,.45)); }
.ph-b { background: linear-gradient(160deg, rgba(224,163,106,.45), rgba(18,26,43,.25) 50%, rgba(47,107,255,.4)); }
.ph-c { background: linear-gradient(180deg, rgba(196,92,106,.5), rgba(11,18,32,.2) 60%, rgba(61,220,255,.28)); }
.slim-card h3 { font-size: 16px; flex: 1; }
.slim-card p { color: var(--dim); font-size: 12px; margin: 0; }
.scene-split { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; }
.scene-card { padding: 22px; min-height: 220px; }
.scene-card p { color: var(--muted); margin: 0; font-size: 15px; }
.scene-card .idx { color: var(--rose); font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; position: relative; }
.rail::before {
 content: "";
 position: absolute;
 left: 12px;
 right: 12px;
 top: 28px;
 height: 1px;
 background: linear-gradient(90deg, var(--cyan), rgba(224,163,106,.8));
}
.rail-node { padding: 18px 14px 16px; position: relative; }
.rail-node i {
 width: 12px; height: 12px; border-radius: 50%; display: block;
 background: var(--cyan); box-shadow: 0 0 10px var(--cyan); margin-bottom: 12px; position: relative; z-index: 1;
}
.rail-node:nth-child(3) i, .rail-node:nth-child(4) i { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.rail-node strong { display: block; margin-bottom: 6px; }
.rail-node p { margin: 0; color: var(--muted); font-size: 14px; }
.rel-list { display: flex; flex-direction: column; }
.rel-list a {
 display: grid;
 grid-template-columns: 16px 1fr auto;
 gap: 12px;
 align-items: center;
 padding: 14px 4px;
 border-bottom: 1px solid var(--line);
 color: var(--text);
 text-decoration: none;
}
.rel-list a:hover { color: var(--amber); }
.rel-list a:hover .dot-live { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.action-bar {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 16px;
 padding: 22px;
}
.action-copy { color: var(--muted); margin: 0; }
.action-btns { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 1199.98px) {
 .container { max-width: 960px; }
}
@media (max-width: 991.98px) {
 .navbar-collapse {
  background: rgba(11,18,32,.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  margin-top: 8px;
  backdrop-filter: blur(16px);
 }
 .brand { max-width: 62vw; }
 .cat-head, .scene-split, .foot-grid { grid-template-columns: 1fr; }
 .head-side { border-left: 0; border-top: 1px solid rgba(224,163,106,.35); padding-left: 0; }
 .rail { grid-template-columns: 1fr 1fr; }
 .rail::before { display: none; }
 .filter-bar { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
 section { padding: 48px 0; }
 .duo, .rail { grid-template-columns: 1fr; }
 h2 { font-size: 22px; }
 .action-bar { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 575.98px) {
 .brand { max-width: 68vw; font-size: 14px; }
 .cat-panel, .entry, .scene-card, .action-bar { padding: 16px; }
 .slim-card { flex-basis: 78vw; }
 .side-row .badge-cool, .side-row .badge-warm { white-space: normal; }
}

/* 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}