/* roulang page: index */
:root {
  --bg: #070b14;
  --bg-raise: #10182a;
  --bg-deep: #0b1222;
  --ink: #e8eef8;
  --muted: #9aadc6;
  --blue: #3c8bff;
  --blue-2: #67d4ff;
  --line: rgba(156, 198, 236, .22);
  --glass: rgba(255, 255, 255, .055);
  --amber: #f0b429;
  --amber-ink: #3d2c08;
  --danger: #ff8d8d;
  --ok: #8ee0b5;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 32px rgba(0, 0, 0, .32);
  --glow: 0 0 22px rgba(60, 150, 255, .45);
  --space: 4.75rem;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --mono: "Sarasa Mono SC", "Cascadia Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --bs-body-bg: #070b14;
  --bs-body-color: #e8eef8;
  --bs-primary: #3c8bff;
  --bs-link-color: #9ad7ff;
  --bs-link-hover-color: #e7f6ff;
  --bs-border-color: rgba(156, 198, 236, .22);
  --bs-border-radius: 16px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
p { margin: 0; }
a { color: var(--blue-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .22em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, .accordion-button:focus-visible {
  outline: 2px solid #9ad7ff;
  outline-offset: 3px;
}
::selection { background: rgba(60, 139, 255, .45); color: #fff; }
.container { max-width: 1120px; }
h1, h2, h3 { font-family: var(--font); font-weight: 700; line-height: 1.28; letter-spacing: 0; margin: 0; }
h1 { font-size: clamp(1.7rem, 2.5vw, 2.45rem); }
h2 { font-size: clamp(1.35rem, 2vw, 1.7rem); }
h3 { font-size: 1.08rem; line-height: 1.4; }
.mono, time, .meta, .chap, .kicker, .price small { font-family: var(--mono); }
.hl {
  font-style: normal;
  background: linear-gradient(transparent 62%, rgba(240, 180, 41, .55) 62%);
  padding: 0 .08em;
}
.site-nav {
  background: rgba(7, 12, 22, .78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
  z-index: 40;
}
.nav-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "brand toggler" "chips chips" "menu menu";
  gap: 10px 12px;
  align-items: center;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand {
  grid-area: brand;
  color: #f4f8ff;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.35;
  max-width: 70vw;
}
.brand:hover { color: #fff; text-decoration: none; }
.navbar-toggler {
  grid-area: toggler;
  width: 44px;
  height: 40px;
  border: 1px solid rgba(150, 205, 255, .4);
  border-radius: 10px;
  background: rgba(255, 255, 255, .04);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
}
.navbar-toggler .bar { display: block; height: 2px; border-radius: 2px; background: #e7f3ff; }
.chip-rail {
  grid-area: chips;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.chip-rail::-webkit-scrollbar { display: none; }
.stage-chip {
  flex: 0 0 auto;
  border: 1px solid rgba(145, 198, 255, .42);
  color: #d7ebff;
  background: rgba(8, 16, 32, .45);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  line-height: 1.2;
}
.stage-chip:hover, .stage-chip:focus { color: #fff; border-color: var(--blue-2); text-decoration: none; }
.stage-chip.is-on, .stage-chip:active {
  color: #fff;
  background: linear-gradient(180deg, #3e92ff, #1f6fe0);
  border-color: #b7e6ff;
  box-shadow: var(--glow);
}
#mainNav { grid-area: menu; }
.navbar-nav { gap: 2px; }
.navbar-nav .nav-link {
  color: #d5e4f6;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 15px;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus {
  color: #fff;
  background: rgba(80, 160, 255, .14);
  text-decoration: none;
}
.navbar-nav .nav-link.active {
  color: #fff;
  background: rgba(60, 139, 255, .22);
  box-shadow: inset 0 0 0 1px rgba(140, 210, 255, .5), 0 0 16px rgba(50, 140, 255, .28);
}
.btn-glow, .btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  line-height: 1.2;
  border: 1px solid transparent;
  text-decoration: none !important;
  cursor: pointer;
}
.btn-glow {
  color: #f7fbff;
  background: linear-gradient(180deg, #4b97ff, #1d6adf);
  box-shadow: 0 0 18px rgba(55, 140, 255, .48), inset 0 1px 0 rgba(255, 255, 255, .35);
}
.btn-glow:hover { color: #fff; filter: brightness(1.08); box-shadow: 0 0 26px rgba(90, 180, 255, .72); }
.btn-glow:active { transform: translateY(1px) scale(.985); box-shadow: 0 0 8px rgba(60, 150, 255, .35); }
.btn-line {
  color: #e7f4ff;
  background: transparent;
  border-color: rgba(150, 205, 255, .55);
}
.btn-line:hover { color: #fff; border-color: var(--blue-2); box-shadow: 0 0 16px rgba(70, 160, 255, .28); background: rgba(60, 139, 255, .08); }
.btn-line:active { transform: translateY(1px); }
.btn-nav-mobile { margin-top: 8px; width: 100%; }
.btn-desktop { display: none; }
main { position: relative; }
.section { padding: var(--space) 0; position: relative; }
.section.alt { background: linear-gradient(180deg, rgba(16, 28, 48, .65), rgba(10, 16, 30, .2)); border-top: 1px solid rgba(140, 186, 220, .08); border-bottom: 1px solid rgba(140, 186, 220, .08); }
.section-head { margin-bottom: 1.5rem; max-width: 760px; }
.chap {
  display: inline-block;
  color: var(--blue-2);
  font-size: 12px;
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.kicker { color: var(--amber); font-size: 12px; letter-spacing: .12em; }
.section-lead { margin-top: 10px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.glass {
  background: linear-gradient(180deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .03));
  border: 1px solid var(--line);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .14);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
}
.badge-tag, .badge-hot {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.5;
  font-family: var(--mono);
}
.badge-tag { color: #c7ebff; border: 1px solid rgba(130, 200, 255, .45); background: rgba(60, 140, 255, .08); }
.badge-hot { color: var(--amber-ink); background: var(--amber); font-weight: 700; }
.hero { padding: 2.2rem 0 3.2rem; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: -40px;
  top: -80px;
  background: radial-gradient(circle, rgba(60, 139, 255, .28), transparent 68%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: stretch; position: relative; }
.hero-copy { padding-top: .4rem; }
.hero h1 { margin: 10px 0 12px; }
.subhead { font-size: 1.05rem; color: #d5e6f8; margin-bottom: 12px; }
.hero-text { color: var(--muted); max-width: 62ch; }
.progress-block { margin: 18px 0 8px; }
.progress-block .meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.track { height: 8px; border-radius: 99px; background: rgba(255, 255, 255, .08); overflow: hidden; border: 1px solid rgba(150, 200, 255, .18); }
.track i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #1d6adf, #7ae0ff); box-shadow: 0 0 12px rgba(90, 190, 255, .8); }
.reward-line { color: #f3d48a; font-size: 13px; margin: 8px 0 14px; }
.hero-chips, .hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-chips { margin-bottom: 16px; }
.age-note { margin-top: 14px; color: var(--muted); font-size: 12px; }
.note-sheet { padding: 16px; min-height: 100%; position: relative; }
.note-bar { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--muted); font-size: 12px; }
.dots { display: flex; gap: 6px; }
.dots span { width: 8px; height: 8px; border-radius: 50%; background: #355070; }
.dots span:first-child { background: #f0b429; }
.note-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px dashed rgba(160, 198, 230, .2);
  font-size: 14px;
}
.note-row strong { font-weight: 700; }
.note-row .meta { color: var(--muted); font-size: 12px; }
.sticker {
  position: absolute;
  right: 18px;
  bottom: 16px;
  transform: rotate(-3deg);
  border: 1px dashed rgba(240, 180, 41, .7);
  color: #f6d48a;
  background: rgba(240, 180, 41, .08);
  padding: 6px 8px;
  font-size: 12px;
  border-radius: 8px;
}
.stage-grid, .plan-grid, .stat-row { display: grid; gap: 14px; }
.stage-grid { grid-template-columns: repeat(3, 1fr); }
.stage-card, .feat, .plan, .review-card, .side, .quote-block, .stat { padding: 16px 16px 18px; }
.stage-card h3, .feat h3, .plan h3 { margin: 8px 0; }
.stage-card p, .feat p, .case-card p, .side li, .review-card p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.stage-card .meta, .news-row time, .toc-item time { color: var(--blue-2); font-size: 12px; }
.feature-board { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; }
.feat-b { margin-top: 34px; }
.feat-c { margin-top: -8px; }
.feat-no { color: var(--blue-2); font-size: 12px; }
.scene-list { display: grid; gap: 0; }
.scene-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 16px 8px 16px 0;
  border-left: 1px solid rgba(140, 196, 230, .35);
  margin-left: 10px;
  position: relative;
}
.scene-item::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px rgba(80, 170, 255, .8);
  position: absolute;
  left: -5px;
  top: 22px;
}
.step-no { color: var(--amber); font-size: 13px; padding-left: 16px; }
.scene-item h3 { margin-bottom: 4px; }
.scene-item p { color: var(--muted); font-size: 14px; }
.browser { overflow: hidden; }
.browser-top { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.pin-list { display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; padding: 16px; }
.pin { padding: 12px; border-radius: 12px; background: rgba(5, 10, 20, .35); border: 1px solid rgba(150, 196, 230, .14); margin-bottom: 10px; }
.pin .meta { color: var(--muted); font-size: 12px; display: block; margin-bottom: 4px; }
.demo-side .track { margin-top: 8px; }
.excerpt-line { margin: 10px 0; padding-left: 10px; border-left: 2px solid var(--amber); color: #dce8f6; }
.index-grid, .rep-layout, .compare, .cta-band, .foot-grid { display: grid; gap: 16px; }
.index-grid { grid-template-columns: .9fr 1.1fr; }
.toc-item, .news-row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(150, 190, 220, .14);
}
.toc-item a, .news-row a { color: var(--ink); font-weight: 700; }
.toc-item a:hover, .news-row a:hover { color: #fff; }
.quote-line { margin-bottom: 14px; }
.quote-line a { color: #d7e9ff; }
.case-list { display: grid; gap: 14px; }
.case-card { display: grid; grid-template-columns: 112px 1fr; gap: 16px; padding: 18px; }
.case-k { color: var(--blue-2); font-size: 12px; }
.case-card h3 { margin: 4px 0 8px; }
.plan-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.plan { display: flex; flex-direction: column; gap: 8px; min-height: 100%; }
.plan-hot { border-color: rgba(120, 210, 255, .7); box-shadow: var(--glow), inset 0 1px 0 rgba(255, 255, 255, .2); transform: translateY(-8px); }
.price { font-size: 2rem; line-height: 1; font-weight: 700; }
.price small { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 4px; }
.plan-list { list-style: none; padding: 0; display: grid; gap: 6px; margin: 6px 0 12px; }
.plan-list li { position: relative; padding-left: 14px; color: var(--muted); font-size: 14px; }
.plan-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-2); position: absolute; left: 0; top: .55em; }
.plan .btn-glow, .plan .btn-line { margin-top: auto; }
.review-wall { columns: 3; column-gap: 14px; }
.review-card { break-inside: avoid; margin: 0 0 14px; display: inline-block; width: 100%; }
.review-card .who { display: block; margin-top: 10px; color: var(--blue-2); font-size: 12px; }
.rep-layout { grid-template-columns: 1.4fr .8fr; align-items: start; }
.quote-block p { font-size: 1.05rem; line-height: 1.8; }
.quote-block .who { margin-top: 12px; }
.stat-row { grid-template-columns: 1fr; }
.stat strong { display: block; font-size: 1.45rem; line-height: 1.2; }
.stat span { color: var(--muted); font-size: 13px; }
.news-list { padding: 6px 16px; }
.news-row { grid-template-columns: 88px 1fr; }
.topic-band { display: flex; justify-content: space-between; gap: 18px; align-items: center; padding: 22px; }
.compare { grid-template-columns: 1fr 1fr; }
.side h3 { margin-bottom: 10px; }
.side ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.side-on { box-shadow: var(--glow), inset 0 1px 0 rgba(255, 255, 255, .16); }
.cta-band { grid-template-columns: .9fr 1.1fr; align-items: start; padding: 22px; }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field label { font-size: 13px; color: #d5e4f5; }
.field input, .field select {
  width: 100%;
  background: #0b1220;
  border: 1px solid rgba(150, 196, 230, .32);
  border-radius: 10px;
  padding: 11px 12px;
  outline: none;
}
.field input:focus, .field select:focus { border-color: var(--blue-2); box-shadow: 0 0 0 3px rgba(60, 139, 255, .28); }
.field .tip { min-height: 1.2em; color: var(--danger); font-size: 12px; }
.field.is-error input, .field.is-error select { border-color: var(--danger); }
.form-msg { min-height: 1.5em; font-size: 14px; margin-top: 8px; }
.form-msg.is-error { color: var(--danger); }
.form-msg.is-ok { color: var(--ok); }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.tl-item { display: grid; grid-template-columns: 92px 1fr; gap: 14px; padding: 0 0 18px 16px; border-left: 1px solid rgba(130, 190, 230, .35); position: relative; }
.tl-item::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px rgba(80, 180, 255, .85); position: absolute; left: -5px; top: 6px; }
.tl-item a { color: var(--ink); font-weight: 700; }
.tl-item p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.faq-acc .accordion-item { background: rgba(255, 255, 255, .04); border: 1px solid var(--line); border-radius: 12px !important; overflow: hidden; margin-bottom: 10px; }
.faq-acc .accordion-button { background: transparent; color: var(--ink); box-shadow: none; font-weight: 700; }
.faq-acc .accordion-button::after { filter: invert(1) brightness(1.6); }
.faq-acc .accordion-button:not(.collapsed) { background: rgba(60, 139, 255, .12); color: #fff; box-shadow: inset 3px 0 0 var(--blue); }
.faq-acc .accordion-button:focus { box-shadow: inset 3px 0 0 var(--blue), 0 0 0 3px rgba(60, 139, 255, .28); }
.faq-acc .accordion-body { background: rgba(5, 10, 20, .35); color: #c9d7ea; }
.foot { padding: 2.6rem 0 1.4rem; border-top: 1px solid var(--line); background: #080d18; }
.foot-grid { grid-template-columns: 1.4fr .8fr .8fr .8fr; }
.foot h2 { font-size: 1rem; margin-bottom: 8px; }
.foot a { color: #c5d6ea; display: inline-block; margin: 4px 0; }
.foot a:hover { color: #fff; }
.foot p, .fine { color: var(--muted); font-size: 13px; }
.fine { margin-top: 18px; padding-top: 12px; border-top: 1px solid rgba(150, 190, 220, .12); }
@media (min-width: 992px) {
  body { padding-top: 86px; }
  .nav-wrap { grid-template-columns: auto auto minmax(0, 1fr) auto; grid-template-areas: "brand chips menu cta"; flex-wrap: nowrap; }
  .navbar-toggler { display: none; }
  #mainNav { display: flex !important; align-items: center; }
  .navbar-nav { margin-left: auto; }
  .btn-desktop { display: inline-flex; grid-area: cta; }
  .btn-nav-mobile { display: none; }
  main .container { border-left: 1px solid rgba(140, 196, 230, .32); padding-left: 28px; }
  .head-row { display: grid; grid-template-columns: 240px 1fr; gap: 28px; align-items: end; max-width: none; }
  .plan-hot { margin-top: -8px; }
}
@media (max-width: 1024px) {
  .hero-grid, .feature-board, .pin-list, .index-grid, .rep-layout, .cta-band { grid-template-columns: 1fr; }
  .feat-b, .feat-c { margin-top: 0; }
  .plan-hot { transform: none; }
  .review-wall { columns: 2; }
}
@media (max-width: 768px) {
  :root { --space: 3rem; }
  body { padding-top: 118px; }
  .stage-grid, .plan-grid, .compare, .foot-grid, .case-card { grid-template-columns: 1fr; }
  .toc-item { grid-template-columns: 72px 1fr; }
  .toc-item .badge-tag { display: none; }
  .topic-band { flex-direction: column; align-items: flex-start; }
  .review-wall { columns: 1; }
}
@media (max-width: 520px) {
  .brand { font-size: 14px; }
  .note-row, .scene-item, .tl-item, .news-row { grid-template-columns: 1fr; }
  .scene-item { margin-left: 0; padding-left: 14px; }
  .hero-actions .btn-glow, .hero-actions .btn-line { width: 100%; }
  h1 { font-size: 1.55rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category1 */
:root {
  --bg: #070b14;
  --bg-raise: #10182a;
  --bg-deep: #0b1222;
  --ink: #e8eef8;
  --muted: #9aadc6;
  --blue: #3c8bff;
  --blue-2: #67d4ff;
  --line: rgba(156, 198, 236, .22);
  --glass: rgba(255, 255, 255, .055);
  --amber: #f0b429;
  --amber-ink: #3d2c08;
  --danger: #ff8d8d;
  --ok: #8ee0b5;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 32px rgba(0, 0, 0, .32);
  --glow: 0 0 22px rgba(60, 150, 255, .45);
  --space: 4.75rem;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  --mono: "Sarasa Mono SC", "Cascadia Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --bs-body-bg: #070b14;
  --bs-body-color: #e8eef8;
  --bs-primary: #3c8bff;
  --bs-link-color: #9ad7ff;
  --bs-link-hover-color: #e7f6ff;
  --bs-border-color: rgba(156, 198, 236, .22);
  --bs-border-radius: 16px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(60, 139, 255, .16), transparent 60%),
    var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  padding-top: 118px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select { font: inherit; color: inherit; }
a { color: #9ad7ff; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .22em; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid #9ad7ff;
  outline-offset: 3px;
}
p { margin: 0 0 .7rem; }
h1, h2, h3 { line-height: 1.28; font-weight: 700; letter-spacing: 0; }
.container { max-width: 1120px; }
.mono, time, .meta, .chap, .kicker, .fine, .err, .result-pill, .badge-tag, .badge-hot { font-family: var(--mono); }
.site-nav {
  background: rgba(7, 12, 22, .78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .28);
  z-index: 40;
  padding: 0;
}
.nav-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "brand toggler" "chips chips" "menu menu";
  gap: 10px 12px;
  align-items: center;
  padding-top: 10px;
  padding-bottom: 10px;
}
.site-nav .brand {
  grid-area: brand;
  color: #f4f8ff;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.35;
  max-width: 70vw;
}
.brand:hover { color: #fff; text-decoration: none; }
.navbar-toggler {
  grid-area: toggler;
  width: 44px;
  height: 40px;
  border: 1px solid rgba(150, 205, 255, .4);
  border-radius: 10px;
  background: rgba(255, 255, 255, .04);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  box-shadow: none;
}
.navbar-toggler .bar { display: block; height: 2px; border-radius: 2px; background: #e7f3ff; }
.navbar-toggler:active { transform: translateY(1px); }
.chip-rail {
  grid-area: chips;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.chip-rail::-webkit-scrollbar { display: none; }
.stage-chip {
  flex: 0 0 auto;
  border: 1px solid rgba(145, 198, 255, .42);
  color: #d7ebff;
  background: rgba(8, 16, 32, .45);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
}
.stage-chip:hover, .stage-chip:focus { color: #fff; border-color: var(--blue-2); text-decoration: none; }
.stage-chip.is-on, .stage-chip:active {
  color: #fff;
  background: linear-gradient(180deg, #3e92ff, #1f6fe0);
  border-color: #b7e6ff;
  box-shadow: var(--glow);
}
#mainNav { grid-area: menu; }
.navbar-nav { gap: 2px; }
.navbar-nav .nav-link {
  color: #d5e4f6;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 15px;
  white-space: nowrap;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus {
  color: #fff;
  background: rgba(80, 160, 255, .14);
  text-decoration: none;
}
.navbar-nav .nav-link.active {
  color: #fff;
  background: rgba(60, 139, 255, .22);
  box-shadow: inset 0 0 0 1px rgba(140, 210, 255, .5), 0 0 16px rgba(50, 140, 255, .28);
}
.btn-glow, .btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  line-height: 1.2;
  border: 1px solid transparent;
  text-decoration: none !important;
  cursor: pointer;
  transition: filter .2s ease, box-shadow .2s ease, transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn-glow {
  color: #f7fbff;
  background: linear-gradient(180deg, #4b97ff, #1d6adf);
  box-shadow: 0 0 18px rgba(55, 140, 255, .48), inset 0 1px 0 rgba(255, 255, 255, .35);
}
.btn-glow:hover { color: #fff; filter: brightness(1.08); box-shadow: 0 0 26px rgba(90, 180, 255, .72); }
.btn-glow:active { transform: translateY(1px) scale(.985); box-shadow: 0 0 8px rgba(60, 150, 255, .35); }
.btn-line {
  color: #e7f4ff;
  background: transparent;
  border-color: rgba(150, 205, 255, .55);
}
.btn-line:hover { color: #fff; border-color: var(--blue-2); box-shadow: 0 0 16px rgba(70, 160, 255, .28); background: rgba(60, 139, 255, .08); }
.btn-line:active { transform: translateY(1px); }
.btn-nav-mobile { margin-top: 8px; width: 100%; }
.btn-desktop { display: none; }
main { position: relative; }
.section { padding: var(--space) 0; position: relative; }
.section.alt {
  background: linear-gradient(180deg, rgba(16, 28, 48, .65), rgba(10, 16, 30, .2));
  border-top: 1px solid rgba(140, 186, 220, .08);
  border-bottom: 1px solid rgba(140, 186, 220, .08);
}
.section-head { margin-bottom: 1.35rem; max-width: 760px; }
.section-head h2, .open-copy h2, .more-head h2 { font-size: clamp(1.35rem, 2vw, 1.8rem); margin: 0; }
.section-lead { margin-top: 8px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.kicker { margin: 0 0 6px; color: var(--blue-2); font-size: 12px; letter-spacing: .08em; }
.badge-tag, .badge-hot, .result-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 1.5;
}
.badge-tag, .result-pill { color: #c7ebff; border: 1px solid rgba(130, 200, 255, .45); background: rgba(60, 140, 255, .08); }
.badge-hot { color: var(--amber-ink); background: var(--amber); font-weight: 700; }
.result-pill { padding: 4px 10px; }
.ink {
  background-image: linear-gradient(transparent 62%, rgba(240, 180, 41, .55) 62%, rgba(240, 180, 41, .55) 90%, transparent 90%);
}
.sheet { position: relative; }
.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .12);
  backdrop-filter: blur(16px);
}
.cat-head { padding: 1.15rem 0 1rem; }
.cat-head h1 { font-size: clamp(1.55rem, 2.5vw, 2.05rem); margin: 0; max-width: 18em; }
.head-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.head-chips { display: flex; gap: 8px; overflow-x: auto; margin-top: 12px; scrollbar-width: none; }
.head-chips::-webkit-scrollbar { display: none; }
.age-line { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
.filter-sec {
  position: sticky;
  top: 108px;
  z-index: 30;
  padding: .55rem 0;
  background: rgba(7, 11, 20, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.filter-bar {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  padding: 12px 14px;
}
.filter-title { font-size: 15px; margin: 0 8px 0 0; align-self: center; white-space: nowrap; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.field input, .field select, .filter-bar select {
  background: #0c1424;
  border: 1px solid rgba(150, 198, 236, .35);
  border-radius: 10px;
  min-height: 42px;
  padding: 8px 12px;
  color: var(--ink);
  width: 100%;
}
.field input::placeholder { color: #7f93ad; }
.field input:focus, .field select:focus, .filter-bar select:focus {
  border-color: var(--blue-2);
  box-shadow: 0 0 0 3px rgba(60, 139, 255, .25);
  outline: none;
}
.filter-bar select { min-width: 148px; }
.grow { flex: 1; }
.note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; padding-bottom: 34px; }
.note-card {
  position: relative;
  padding: 16px 16px 16px 22px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.note-card::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: rgba(150, 198, 230, .38);
}
.note-card:hover {
  border-color: rgba(120, 190, 255, .55);
  box-shadow: var(--shadow), 0 0 18px rgba(60, 139, 255, .22);
}
.card-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.chap { color: var(--blue-2); font-size: 12px; letter-spacing: .06em; }
.note-card h3 { font-size: 1.08rem; margin: 0 0 6px; }
.note-card h3 a { color: var(--ink); }
.note-card h3 a:hover { color: #fff; }
.meta { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.sum { color: #d5e2f2; font-size: 14px; line-height: 1.7; }
.text-link { font-weight: 700; font-size: 14px; }
.note-card[hidden] { display: none !important; }
.empty-note {
  color: var(--muted);
  border: 1px dashed rgba(150, 198, 236, .35);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.more-sec { padding-top: 1.2rem; }
.more-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 1rem; }
.more-grid { padding-bottom: 10px; }
.read-col { max-width: 760px; display: grid; gap: 14px; }
.quote {
  margin: 0;
  padding: 14px 16px 12px 18px;
  position: relative;
}
.quote p { font-size: 16px; line-height: 1.75; }
.quote footer { color: var(--muted); font-size: 13px; font-family: var(--mono); }
.sticker {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--amber);
  color: var(--amber-ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  transform: rotate(-3deg);
}
.tl { list-style: none; margin: 0; padding: 0 0 0 4px; border-left: 1px solid rgba(150, 190, 220, .32); max-width: 820px; }
.tl li { position: relative; padding: 0 0 18px 18px; }
.tl li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px rgba(60, 139, 255, .85);
}
.tl time { display: block; color: var(--muted); font-size: 12px; }
.tl a { color: var(--ink); font-weight: 700; }
.tl a:hover { color: #fff; }
.news-list { display: grid; }
.news-row {
  display: grid;
  grid-template-columns: 11.5rem minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid rgba(150, 190, 220, .16);
}
.news-row time { color: var(--muted); font-size: 13px; }
.news-row a { color: var(--ink); font-weight: 700; }
.news-row a:hover { color: #fff; }
.open-sec { padding-bottom: 3.2rem; }
.open-strip { padding: 18px; }
.open-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: start; }
.open-copy p { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .span-2 { grid-column: 1 / -1; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.err { display: none; color: var(--danger); font-size: 12px; }
.field.is-error input, .field.is-error select { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(255, 141, 141, .18); }
.field.is-error .err { display: block; }
.form-ok { color: var(--ok); font-family: var(--mono); font-size: 13px; margin: 8px 0 0; }
.foot {
  border-top: 1px solid var(--line);
  padding: 2.4rem 0 1.1rem;
  background: #070d18;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .9fr 1fr; gap: 22px; }
.foot .brand { display: inline-block; margin-bottom: 8px; color: #f4f8ff; font-weight: 700; max-width: none; }
.foot h2 { font-size: 15px; margin: 0 0 8px; }
.foot a { color: var(--muted); }
.foot a:hover { color: #fff; }
.foot p { color: var(--muted); font-size: 14px; }
.fine {
  color: var(--muted);
  font-size: 13px;
  padding: 16px 0 8px;
  border-top: 1px solid rgba(140, 180, 210, .12);
  margin-top: 18px;
}
@media (min-width: 768px) {
  .note-grid .note-card:nth-child(even) { transform: translateY(28px); }
  .note-grid .note-card:nth-child(even):hover { transform: translateY(22px); }
  .note-grid .note-card:nth-child(odd):hover { transform: translateY(-4px); }
}
@media (min-width: 992px) {
  body { padding-top: 76px; }
  .navbar-toggler { display: none; }
  .nav-wrap { display: flex; flex-wrap: nowrap; align-items: center; gap: 12px; }
  .site-nav .brand { max-width: 210px; font-size: 14px; }
  .chip-rail { flex: 0 0 auto; overflow: visible; }
  #mainNav { display: flex !important; flex: 1; align-items: center; }
  .navbar-nav { flex-direction: row; margin-left: 4px; }
  .btn-nav-mobile { display: none; }
  .btn-desktop { display: inline-flex; margin-left: auto; flex: 0 0 auto; }
  .filter-sec { top: 68px; }
  .sheet { margin-left: 8px; padding-left: 16px; border-left: 1px solid rgba(160, 198, 230, .28); }
}
@media (max-width: 1024px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .open-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --space: 3rem; }
  .note-grid { grid-template-columns: 1fr; padding-bottom: 0; }
  .note-grid .note-card:nth-child(even) { transform: none; }
  .news-row { grid-template-columns: 1fr auto; }
  .news-row time { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: 1fr; }
  .more-head { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  body { padding-top: 112px; }
  .site-nav .brand { font-size: 13px; }
  .cat-head h1 { font-size: 1.42rem; }
  .head-row { flex-direction: column; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-title { align-self: flex-start; }
  .filter-bar select { width: 100%; }
  .news-row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .btn-glow, .btn-line { width: 100%; }
  .form-actions .btn-glow, .form-actions .btn-line { width: auto; }
}
@media (min-width: 992px) and (max-width: 1200px) {
  .navbar-nav .nav-link { padding: 6px 8px; font-size: 13px; }
  .site-nav .brand { max-width: 168px; font-size: 13px; }
  .stage-chip { padding: 5px 8px; }
}

/* 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}