/* roulang page: index */
:root {
  --ink: #14161c;
  --ink-soft: #2c3038;
  --paper: #f4f1ea;
  --paper-2: #ebe6dc;
  --ivory: #f7f4ee;
  --white: #fffcf8;
  --muted: #6d675c;
  --line: rgba(20, 22, 28, .12);
  --line-strong: rgba(20, 22, 28, .22);
  --gold: #8c7044;
  --gold-2: #c4a574;
  --pitch: #1b3a30;
  --live: #9d2b22;
  --shadow: 0 18px 50px rgba(20, 22, 28, .08);
  --shadow-sm: 0 8px 24px rgba(20, 22, 28, .06);
  --radius: 18px;
  --radius-sm: 12px;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --serif: "Songti SC", "Noto Serif SC", "STSong", "PMingLiU", serif;
  --mono: "SFMono-Regular", "JetBrains Mono", "Source Code Pro", ui-monospace, monospace;
  --space: clamp(3.2rem, 6vw, 5.6rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
::selection { background: #e7d7b8; color: var(--ink); }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0 22px;
  pointer-events: none;
  transition: top .3s ease;
}
.site-header.is-stuck { top: 8px; }
.nav-float {
  pointer-events: auto;
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 12px 10px 16px;
  background: rgba(247, 244, 238, .88);
  border: 1px solid rgba(20, 22, 28, .08);
  border-radius: 20px;
  box-shadow: 0 10px 36px rgba(20, 22, 28, .06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
}
.site-header.is-stuck .nav-float { box-shadow: 0 16px 40px rgba(20, 22, 28, .12); }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 640;
  letter-spacing: .02em;
  flex: 0 0 auto;
}
.logo i {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--gold-2);
  font-style: normal;
  font-family: var(--serif);
  font-size: 16px;
}
.logo span { font-family: var(--serif); font-size: 16px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 14px;
  transition: background .2s ease, color .2s ease;
}
.nav-link:hover { background: rgba(20, 22, 28, .05); color: var(--ink); }
.nav-link.is-active { background: var(--ink); color: var(--ivory); }
.nav-search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 12px;
  min-width: 210px;
  height: 40px;
}
.nav-search i { color: var(--gold); font-size: 13px; }
.nav-search input {
  border: 0;
  outline: 0;
  background: transparent;
  width: 100%;
  font-size: 13px;
  color: var(--ink);
}
.nav-search input:focus { outline: none; }
.nav-search:focus-within { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(140, 112, 68, .16); }
.nav-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 10px 16px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.nav-cta, .btn-gold { background: var(--gold); color: #fff; }
.nav-cta:hover, .btn-gold:hover { background: #745c36; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-ghost {
  background: transparent;
  color: var(--ivory);
  border-color: rgba(247, 244, 238, .35);
}
.btn-ghost:hover { border-color: var(--ivory); background: rgba(247, 244, 238, .08); }
.btn-ink { background: var(--ink); color: var(--ivory); }
.btn-ink:hover { background: #000; transform: translateY(-1px); }
.btn:active, .nav-cta:active { transform: translateY(0); }
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.nav-drawer {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 12px;
}
.nav-drawer.is-open { display: grid; gap: 8px; }
.nav-drawer .nav-link { display: block; }
.nav-drawer .nav-search, .nav-drawer .nav-cta { width: 100%; margin: 0; }
main { display: block; }
.hero {
  position: relative;
  color: var(--ivory);
  padding: 128px 0 56px;
  background:
    linear-gradient(180deg, rgba(14, 16, 20, .78), rgba(14, 16, 20, .62)),
    url('/assets/images/2a4f1823f413a1f1.webp') center/cover no-repeat;
}
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--gold-2);
}
.live-dot, .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d4574c;
  box-shadow: 0 0 0 0 rgba(212, 87, 76, .6);
  animation: pulse 1.8s infinite;
}
.cap-line {
  margin: 18px 0 8px;
  font-size: 15px;
  color: rgba(247, 244, 238, .78);
}
.hero h1 {
  margin: 0;
  max-width: 16em;
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(2.1rem, 4.6vw, 3.7rem);
  line-height: 1.12;
  letter-spacing: -.03em;
}
.hero-lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(247, 244, 238, .84);
  font-size: 15.5px;
}
.console {
  margin-top: 28px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(247, 244, 238, .14);
  background: rgba(8, 9, 12, .72);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
}
.console-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(247, 244, 238, .08);
  color: rgba(247, 244, 238, .62);
  font-family: var(--mono);
  font-size: 12px;
}
.console-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3a3f48;
}
.console-bar span:first-child { background: #8c7044; }
.console-bar em { margin-left: 8px; font-style: normal; letter-spacing: .08em; }
.console-lines { list-style: none; margin: 0; padding: 8px 0 10px; }
.console-lines li {
  display: grid;
  grid-template-columns: 64px 120px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 9px 16px;
  font-family: var(--mono);
  font-size: 13px;
  color: rgba(247, 244, 238, .9);
}
.console-lines li:hover { background: rgba(247, 244, 238, .04); }
.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 22px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .08em;
  border: 1px solid rgba(196, 165, 116, .45);
  color: var(--gold-2);
}
.tag-live { color: #f0b2ab; border-color: rgba(212, 87, 76, .5); }
.tag-free { color: #d7ecdf; border-color: rgba(140, 186, 156, .5); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.section { padding: var(--space) 0; }
.section-alt { background: var(--white); }
.section-ink { background: var(--ink); color: var(--ivory); }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .2em;
  margin-bottom: 10px;
}
.section-ink .kicker { color: var(--gold-2); }
h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  line-height: 1.22;
  letter-spacing: -.02em;
}
.lead {
  margin: 14px 0 0;
  color: var(--muted);
  max-width: 760px;
  font-size: 15.5px;
}
.section-ink .lead { color: rgba(247, 244, 238, .72); }
.head-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 28px;
}
.problem-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 42px;
  align-items: end;
}
.problem-quote {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.28;
  letter-spacing: -.02em;
  margin: 0;
}
.problem-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.problem-list li {
  list-style: none;
  padding: 16px 0 16px 16px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid var(--gold);
}
.problem-list strong { display: block; font-size: 15px; }
.problem-list span { color: var(--muted); font-size: 14px; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}
.step {
  padding: 22px 18px 8px 0;
  border-right: 1px solid var(--line);
  padding-right: 18px;
  margin-right: 18px;
}
.step:last-child { border-right: 0; margin-right: 0; }
.step em {
  font-family: var(--serif);
  font-style: normal;
  font-size: 28px;
  color: var(--gold);
  display: block;
  line-height: 1;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 8px; font-size: 16px; font-weight: 640; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }
.preview {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 36px;
  align-items: center;
}
.preview figure {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
}
.preview img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.preview figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  right: 14px;
  color: #fff;
  font-size: 13px;
  background: rgba(20, 22, 28, .55);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 10px 12px;
}
.shot-note {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.shot-note b { font-family: var(--serif); font-size: 18px; font-weight: 560; }
.stuck-grid, .flat-grid, .guard-grid, .mile-grid {
  display: grid;
  gap: 14px;
}
.stuck-grid { grid-template-columns: 1.2fr 1fr; }
.stuck-item, .flat-card, .guard-item, .news-card, .rank-row, .log-row, .qa-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.stuck-item { padding: 20px 20px 18px; }
.stuck-item:hover, .flat-card:hover, .news-card:hover, .rank-row:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(140, 112, 68, .45);
}
.rarity { box-shadow: inset 0 0 0 1px rgba(140, 112, 68, .35); }
.rarity-strong { box-shadow: inset 0 0 0 1px rgba(140, 112, 68, .7), 0 0 0 4px rgba(140, 112, 68, .08); }
.stuck-item h3, .flat-card h3, .guard-item h3 { margin: 8px 0; font-size: 17px; }
.stuck-item p, .flat-card p, .guard-item p { margin: 0; color: var(--muted); font-size: 14px; }
.badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink-soft);
  font-size: 12px;
  letter-spacing: .06em;
}
.path { display: grid; gap: 0; margin-top: 10px; }
.path-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid rgba(247, 244, 238, .12);
}
.path-item strong {
  font-family: var(--mono);
  color: var(--gold-2);
  font-size: 13px;
  letter-spacing: .08em;
}
.path-item h3 { margin: 0 0 6px; font-size: 18px; font-family: var(--serif); font-weight: 560; }
.path-item p { margin: 0; color: rgba(247, 244, 238, .72); font-size: 14px; }
.news-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
}
.news-feature, .news-card { overflow: hidden; }
.news-feature img, .news-card img { width: 100%; height: 180px; object-fit: cover; }
.news-feature img { height: 280px; }
.news-feature .txt, .news-card .txt { padding: 16px 16px 18px; }
.news-feature h3, .news-card h3 { margin: 6px 0 8px; font-size: 20px; font-family: var(--serif); font-weight: 560; }
.news-side { display: grid; gap: 12px; }
.news-card { display: grid; grid-template-columns: 118px 1fr; }
.news-card img { height: 100%; min-height: 108px; }
.more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  font-size: 14px;
  border-bottom: 1px solid rgba(140, 112, 68, .4);
  padding-bottom: 2px;
}
.more:hover { color: var(--ink); border-color: var(--ink); }
.metric-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metric { padding: 22px 18px; border-right: 1px solid var(--line); }
.metric:last-child { border-right: 0; }
.metric b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 520;
  letter-spacing: -.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric span { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }
.flat-grid { grid-template-columns: repeat(4, 1fr); }
.flat-card { display: block; padding: 16px 16px 18px; background: transparent; border-radius: 14px; }
.flat-card h3 { font-size: 16px; }
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.compare-col { padding: 28px 26px 30px; }
.compare-col.dim { background: #ece7df; color: #5e584e; }
.compare-col.clean { background: var(--ink); color: var(--ivory); }
.compare-col h3 { margin: 8px 0 12px; font-family: var(--serif); font-size: 28px; font-weight: 540; }
.compare ul { margin: 0; padding: 0; display: grid; gap: 10px; }
.compare li { list-style: none; padding-left: 16px; position: relative; font-size: 14.5px; }
.compare li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); position: absolute; left: 0; top: .65em; }
.mile-grid { grid-template-columns: repeat(4, 1fr); position: relative; }
.mile-item { padding: 8px 12px 0 0; }
.mile-item i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: block;
  margin-bottom: 14px;
  background: var(--paper);
  position: relative;
}
.mile-grid::before {
  content: "";
  position: absolute;
  left: 6px;
  right: 8%;
  top: 13px;
  height: 1px;
  background: var(--line-strong);
}
.mile-item h3 { margin: 0 0 8px; font-size: 16px; }
.mile-item p { margin: 0; color: var(--muted); font-size: 14px; }
.rank-list { display: grid; gap: 8px; }
.rank-row {
  display: grid;
  grid-template-columns: 52px 120px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  background: rgba(255, 252, 248, .03);
  border-color: rgba(247, 244, 238, .1);
  color: var(--ivory);
}
.rank-row b { font-family: var(--serif); font-size: 22px; color: var(--gold-2); }
.rank-row p { margin: 0; color: rgba(247, 244, 238, .72); font-size: 14px; }
.guard-grid { grid-template-columns: repeat(4, 1fr); }
.guard-item { padding: 20px; background: var(--paper); }
.guard-item .ico {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--gold-2);
  font-size: 14px;
}
.log { display: grid; }
.log-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  background: transparent;
}
.log-row + .log-row { border-top: 1px solid var(--line); }
.log-row time { font-family: var(--mono); font-size: 13px; color: var(--gold); }
.log-row p { margin: 0; }
.qa { display: grid; gap: 10px; }
.qa-item { padding: 0; overflow: hidden; background: var(--white); }
.qa-item button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 16px 18px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink);
}
.qa-item button:hover { color: var(--gold); }
.qa-item .ans { padding: 0 18px 16px; color: var(--muted); font-size: 14.5px; }
.close-band {
  background:
    linear-gradient(105deg, rgba(14, 16, 20, .92), rgba(14, 16, 20, .74)),
    url('/assets/images/52a0f78469855e3b.webp') center/cover no-repeat;
  color: var(--ivory);
}
.close-grid {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 36px;
  align-items: center;
}
.form {
  background: rgba(247, 244, 238, .96);
  color: var(--ink);
  border-radius: 20px;
  padding: 22px;
  display: grid;
  gap: 12px;
  box-shadow: var(--shadow);
}
.field { display: grid; gap: 6px; }
.field span { font-size: 13px; color: var(--muted); }
.field input, .field select {
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: #fff;
  padding: 0 12px;
  color: var(--ink);
  font-size: 14px;
}
.field input:focus, .field select:focus {
  outline: 2px solid rgba(140, 112, 68, .45);
  border-color: var(--gold);
}
.form-done {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #eef4ef;
  color: var(--pitch);
  font-size: 14px;
}
.site-footer {
  background: #101217;
  color: rgba(247, 244, 238, .78);
  padding: 48px 0 28px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(247, 244, 238, .1);
}
.site-footer strong { color: var(--ivory); font-family: var(--serif); font-size: 22px; font-weight: 540; display: block; margin-bottom: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; align-content: start; justify-content: flex-end; }
.foot-links a { font-size: 14px; color: rgba(247, 244, 238, .8); }
.foot-links a:hover { color: var(--gold-2); }
.copy { margin: 16px 0 0; font-size: 13px; color: rgba(247, 244, 238, .5); }
.empty-note { color: var(--gold-2); font-size: 14px; margin: 8px 0 0; }
.rise { opacity: 0; transform: translateY(12px); transition: opacity .7s ease, transform .7s ease; }
.rise.is-in { opacity: 1; transform: none; }
:focus-visible { outline: 2px solid var(--gold-2); outline-offset: 3px; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(212, 87, 76, .55); }
  70% { box-shadow: 0 0 0 8px rgba(212, 87, 76, 0); }
  100% { box-shadow: 0 0 0 0 rgba(212, 87, 76, 0); }
}
@media (max-width: 1024px) {
  .steps, .metric-board, .flat-grid, .guard-grid, .mile-grid { grid-template-columns: 1fr 1fr; }
  .mile-grid::before { display: none; }
  .step { border-right: 0; margin-right: 0; border-bottom: 1px solid var(--line); }
  .news-layout, .preview, .problem-grid, .close-grid, .stuck-grid, .compare, .foot-grid { grid-template-columns: 1fr; }
  .foot-links { justify-content: flex-start; }
  .rank-row { grid-template-columns: 42px 92px 1fr; }
  .rank-row i { display: none; }
}
@media (max-width: 768px) {
  .site-header { padding: 0 12px; top: 10px; }
  .nav-links, .nav-float > .nav-search, .nav-float > .nav-cta { display: none; }
  .nav-toggle { display: inline-block; }
  .hero { padding: 112px 0 40px; }
  .console-lines li { grid-template-columns: 58px 1fr; }
  .console-lines li strong, .console-lines li em { grid-column: 2; }
  .head-row { display: block; }
  .news-card { grid-template-columns: 96px 1fr; }
  .container { width: min(1120px, calc(100% - 28px)); }
}
@media (max-width: 520px) {
  .metric-board, .flat-grid, .guard-grid, .steps, .stuck-grid { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--line); }
  .path-item, .log-row, .rank-row { grid-template-columns: 1fr; gap: 4px; }
  .hero h1 { font-size: 1.85rem; }
  .news-feature img { height: 200px; }
  .nav-float { border-radius: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rise { opacity: 1; transform: none; }
}

/* roulang page: category1 */
:root {
 --ink: #14161c;
 --ink-soft: #2c3038;
 --paper: #f4f1ea;
 --paper-2: #ebe6dc;
 --ivory: #f7f4ee;
 --white: #fffcf8;
 --muted: #6d675c;
 --line: rgba(20, 22, 28, .12);
 --line-strong: rgba(20, 22, 28, .22);
 --gold: #8c7044;
 --gold-2: #c4a574;
 --pitch: #1b3a30;
 --live: #9d2b22;
 --shadow: 0 18px 50px rgba(20, 22, 28, .08);
 --shadow-sm: 0 8px 24px rgba(20, 22, 28, .06);
 --radius: 18px;
 --radius-sm: 12px;
 --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --serif: "Songti SC", "Noto Serif SC", "STSong", "PMingLiU", serif;
 --mono: "SFMono-Regular", "JetBrains Mono", "Source Code Pro", ui-monospace, monospace;
 --space: clamp(3.2rem, 6vw, 5.6rem);
}
/* roulang page: category yingchao */
:root {
 --ink: #14161c;
 --ink-soft: #2c3038;
 --paper: #f4f1ea;
 --paper-2: #ebe6dc;
 --ivory: #f7f4ee;
 --white: #fffcf8;
 --muted: #6d675c;
 --line: rgba(20, 22, 28, .12);
 --line-strong: rgba(20, 22, 28, .22);
 --gold: #8c7044;
 --gold-2: #c4a574;
 --pitch: #1b3a30;
 --live: #9d2b22;
 --shadow: 0 18px 50px rgba(20, 22, 28, .08);
 --shadow-sm: 0 8px 24px rgba(20, 22, 28, .06);
 --radius: 18px;
 --radius-sm: 12px;
 --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 --serif: "Songti SC", "Noto Serif SC", "STSong", "PMingLiU", serif;
 --mono: "SFMono-Regular", "JetBrains Mono", "Source Code Pro", ui-monospace, monospace;
 --space: clamp(3.2rem, 6vw, 5.6rem);
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--paper);
 font-family: var(--sans);
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: fixed;
 top: 16px;
 left: 0;
 right: 0;
 z-index: 50;
 padding: 0 22px;
 pointer-events: none;
 transition: top .3s ease;
}
.site-header.is-stuck { top: 8px; }
.nav-float {
 pointer-events: auto;
 width: min(1120px, 100%);
 margin: 0 auto;
 display: flex;
 align-items: center;
 gap: 18px;
 padding: 10px 12px 10px 16px;
 background: rgba(247, 244, 238, .88);
 border: 1px solid rgba(20, 22, 28, .08);
 border-radius: 20px;
 box-shadow: 0 10px 36px rgba(20, 22, 28, .06);
 backdrop-filter: blur(16px);
 -webkit-backdrop-filter: blur(16px);
 position: relative;
}
.site-header.is-stuck .nav-float { box-shadow: 0 16px 40px rgba(20, 22, 28, .12); }
.logo {
 display: flex;
 align-items: center;
 gap: 10px;
 font-weight: 640;
 letter-spacing: .02em;
 flex: 0 0 auto;
}
.logo i {
 width: 34px;
 height: 34px;
 border-radius: 10px;
 display: grid;
 place-items: center;
 background: var(--ink);
 color: var(--gold-2);
 font-style: normal;
 font-family: var(--serif);
 font-size: 16px;
}
.logo span { font-family: var(--serif); font-size: 16px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
 padding: 8px 14px;
 border-radius: 999px;
 color: var(--ink-soft);
 font-size: 14px;
 transition: background .2s ease, color .2s ease;
}
.nav-link:hover { background: rgba(20, 22, 28, .05); color: var(--ink); }
.nav-link.is-active { background: var(--ink); color: var(--ivory); }
.nav-search {
 margin-left: auto;
 display: flex;
 align-items: center;
 gap: 8px;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: 999px;
 padding: 0 12px;
 min-width: 210px;
 height: 40px;
}
.nav-search i { color: var(--gold); font-size: 13px; }
.nav-search input {
 border: 0;
 outline: 0;
 background: transparent;
 width: 100%;
 font-size: 13px;
 color: var(--ink);
}
.nav-search input:focus { outline: none; }
.nav-search:focus-within { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(140, 112, 68, .16); }
.nav-cta, .btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 border-radius: 999px;
 border: 1px solid transparent;
 padding: 10px 16px;
 font-size: 14px;
 line-height: 1;
 cursor: pointer;
 transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.nav-cta, .btn-gold { background: var(--gold); color: #fff; }
.nav-cta:hover, .btn-gold:hover { background: #745c36; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-ghost {
 background: transparent;
 color: var(--ivory);
 border-color: rgba(247, 244, 238, .35);
}
.btn-ghost:hover { border-color: var(--ivory); background: rgba(247, 244, 238, .08); }
.btn-ink { background: var(--ink); color: var(--ivory); }
.btn-ink:hover { background: #000; transform: translateY(-1px); }
.btn-line {
 background: transparent;
 color: var(--ink);
 border-color: var(--line-strong);
}
.btn-line:hover { border-color: var(--ink); background: rgba(20, 22, 28, .04); transform: translateY(-1px); }
.btn:active, .nav-cta:active { transform: translateY(0); }
.btn:focus-visible, .nav-link:focus-visible, .nav-cta:focus-visible, .nav-toggle:focus-visible, input:focus-visible, select:focus-visible {
 outline: 2px solid var(--gold);
 outline-offset: 2px;
}
.nav-toggle {
 display: none;
 margin-left: auto;
 width: 42px;
 height: 42px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: var(--white);
 padding: 0;
 cursor: pointer;
}
.nav-toggle span {
 display: block;
 width: 16px;
 height: 1.5px;
 margin: 4px auto;
 background: var(--ink);
 transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.nav-drawer {
 display: none;
 position: absolute;
 left: 0;
 right: 0;
 top: calc(100% + 8px);
 background: var(--ivory);
 border: 1px solid var(--line);
 border-radius: 18px;
 box-shadow: var(--shadow);
 padding: 12px;
}
.nav-drawer.is-open { display: grid; gap: 8px; }
.nav-drawer .nav-link { display: block; }
.nav-drawer .nav-search, .nav-drawer .nav-cta { width: 100%; margin: 0; }
main { display: block; }
.hero-kicker {
 display: flex;
 align-items: center;
 gap: 10px;
 font-size: 13px;
 letter-spacing: .18em;
 color: var(--gold-2);
}
.tag {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-width: 52px;
 height: 22px;
 padding: 0 8px;
 border-radius: 999px;
 font-size: 11px;
 letter-spacing: .08em;
 border: 1px solid rgba(196, 165, 116, .45);
 color: var(--gold-2);
 background: transparent;
}
.tag-live { color: #f0b2ab; border-color: rgba(212, 87, 76, .5); }
.tag-free { color: #d7ecdf; border-color: rgba(140, 186, 156, .5); }
.tag-ink { color: var(--gold); border-color: rgba(140, 112, 68, .45); background: rgba(196, 165, 116, .12); }
.pl-hero { position: relative; color: var(--ivory); padding: 118px 0 0; }
.pl-hero-bg {
 position: relative;
 min-height: 640px;
 background:
 linear-gradient(115deg, rgba(12, 14, 18, .86) 8%, rgba(12, 14, 18, .55) 52%, rgba(12, 14, 18, .72) 100%),
 url('/assets/images/52a0f78469855e3b.webp') center/cover no-repeat;
 border-bottom: 1px solid rgba(247, 244, 238, .08);
}
.series-bar {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
 padding: 8px;
 width: fit-content;
 max-width: 100%;
 background: rgba(20, 22, 28, .42);
 border: 1px solid rgba(247, 244, 238, .16);
 border-radius: 999px;
 backdrop-filter: blur(10px);
 -webkit-backdrop-filter: blur(10px);
}
.series-link {
 color: var(--ivory);
 font-size: 13px;
 padding: 7px 14px;
 border-radius: 999px;
 transition: background .2s ease, color .2s ease;
}
.series-link:hover, .series-link:focus-visible { background: rgba(247, 244, 238, .14); }
.pl-hero-grid {
 display: grid;
 grid-template-columns: minmax(0, 1.35fr) minmax(280px, .75fr);
 gap: 42px;
 align-items: end;
 padding: 54px 0 64px;
}
.pl-hero h1 {
 margin: 14px 0 0;
 max-width: 11em;
 font-family: var(--serif);
 font-weight: 560;
 font-size: clamp(2.2rem, 4.8vw, 4rem);
 line-height: 1.12;
 letter-spacing: -.03em;
}
.hero-lead {
 max-width: 640px;
 margin: 18px 0 0;
 color: rgba(247, 244, 238, .84);
 font-size: 15.5px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.pl-hero-panel {
 background: rgba(247, 244, 238, .08);
 border: 1px solid rgba(247, 244, 238, .16);
 border-radius: 22px;
 overflow: hidden;
 box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
 backdrop-filter: blur(8px);
 -webkit-backdrop-filter: blur(8px);
}
.pl-hero-panel img { height: 168px; width: 100%; object-fit: cover; }
.pl-panel-body { padding: 18px 18px 20px; }
.pl-panel-body p { margin: 8px 0 0; color: rgba(247, 244, 238, .78); font-size: 14px; }
.pl-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.kpi {
 padding: 10px 8px;
 border-radius: 12px;
 background: rgba(20, 22, 28, .35);
 border: 1px solid rgba(247, 244, 238, .1);
}
.kpi b {
 display: block;
 font-family: var(--serif);
 font-size: 20px;
 font-weight: 560;
 letter-spacing: -.02em;
}
.kpi span { display: block; color: rgba(247, 244, 238, .62); font-size: 12px; }
.sec { padding: var(--space) 0; }
.sec-paper { background: var(--paper); }
.sec-ivory { background: var(--ivory); }
.sec-sand { background: linear-gradient(180deg, var(--paper-2), var(--paper)); }
.sec-head { max-width: 720px; margin-bottom: 28px; }
.sec-label {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 color: var(--gold);
 font-size: 12px;
 letter-spacing: .16em;
}
.sec-label:before {
 content: "";
 width: 18px;
 height: 1px;
 background: var(--gold-2);
}
.sec-title {
 margin: 8px 0 0;
 font-family: var(--serif);
 font-size: clamp(1.7rem, 3vw, 2.4rem);
 font-weight: 560;
 letter-spacing: -.02em;
 line-height: 1.25;
}
.sec-desc { margin: 10px 0 0; color: var(--muted); font-size: 15px; }
.fix-list { display: grid; gap: 10px; }
.fix-row {
 display: grid;
 grid-template-columns: 132px minmax(0, 1.1fr) minmax(0, 1.3fr) auto;
 gap: 16px;
 align-items: center;
 padding: 16px 18px;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow-sm);
 transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.fix-row:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: rgba(140, 112, 68, .35); }
.fix-row.edge-gold { box-shadow: inset 3px 0 0 var(--gold), var(--shadow-sm); }
.fix-row.edge-live { box-shadow: inset 3px 0 0 var(--live), var(--shadow-sm); }
.fix-row.edge-pitch { box-shadow: inset 3px 0 0 var(--pitch), var(--shadow-sm); }
.fix-time {
 font-family: var(--mono);
 font-size: 13px;
 color: var(--ink-soft);
 letter-spacing: -.02em;
}
.fix-time small { display: block; color: var(--muted); font-family: var(--sans); letter-spacing: 0; }
.fix-teams { font-family: var(--serif); font-size: 20px; letter-spacing: -.02em; }
.fix-note { color: var(--muted); font-size: 14px; }
.fix-side { text-align: right; }
.empty-tip {
 display: none;
 margin-top: 12px;
 padding: 14px 16px;
 border-radius: 12px;
 border: 1px dashed var(--line-strong);
 color: var(--muted);
 background: var(--white);
}
.board {
 display: grid;
 grid-template-columns: 1.1fr .9fr;
 gap: 18px;
}
.board-col {
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: 22px;
 padding: 22px;
 box-shadow: var(--shadow-sm);
}
.board-col h3 {
 margin: 0;
 font-family: var(--serif);
 font-size: 24px;
 font-weight: 560;
}
.board-col .sub { margin: 6px 0 16px; color: var(--muted); font-size: 14px; }
.board-row {
 display: grid;
 grid-template-columns: 28px 1fr auto;
 gap: 12px;
 align-items: center;
 padding: 12px 0;
 border-top: 1px solid var(--line);
}
.board-row b { font-weight: 600; }
.board-row span { color: var(--muted); font-size: 13px; }
.rank {
 width: 28px;
 height: 28px;
 border-radius: 8px;
 display: grid;
 place-items: center;
 font-family: var(--mono);
 font-size: 12px;
 background: var(--paper-2);
 color: var(--ink-soft);
}
.rank.hot { background: var(--ink); color: var(--gold-2); }
.steps {
 display: grid;
 grid-template-columns: repeat(5, 1fr);
 gap: 12px;
}
.step {
 position: relative;
 padding: 18px 16px 16px;
 background: var(--white);
 border-radius: var(--radius);
 border: 1px solid var(--line);
 min-height: 168px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.step:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.step em {
 font-style: normal;
 font-family: var(--serif);
 font-size: 28px;
 color: var(--gold);
 display: block;
 line-height: 1;
}
.step strong { display: block; margin: 12px 0 6px; font-size: 15px; }
.step p { margin: 0; color: var(--muted); font-size: 13px; }
.story { display: grid; gap: 22px; }
.story-block {
 display: grid;
 grid-template-columns: 1.15fr .85fr;
 gap: 28px;
 align-items: center;
}
.story-block.reverse { grid-template-columns: .85fr 1.15fr; }
.story-block.reverse .story-img { order: 2; }
.story-img {
 border-radius: 22px;
 overflow: hidden;
 min-height: 280px;
 position: relative;
 box-shadow: var(--shadow);
}
.story-img img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.story-img figcaption {
 position: absolute;
 left: 14px;
 bottom: 14px;
 padding: 6px 10px;
 border-radius: 999px;
 background: rgba(20, 22, 28, .72);
 color: var(--ivory);
 font-size: 12px;
}
.story-body h3 {
 margin: 8px 0 0;
 font-family: var(--serif);
 font-size: clamp(1.5rem, 2.4vw, 2rem);
 font-weight: 560;
 line-height: 1.3;
}
.story-body p { margin: 12px 0 0; color: var(--ink-soft); }
.point-list { margin: 16px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.point-list li {
 display: flex;
 gap: 10px;
 align-items: flex-start;
 padding: 10px 12px;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: 12px;
 font-size: 14px;
}
.point-list i { color: var(--gold); margin-top: 3px; }
.quiet {
 position: relative;
 color: var(--ivory);
 background:
 linear-gradient(180deg, rgba(16, 28, 24, .9), rgba(16, 22, 20, .92)),
 url('/assets/images/e17b3d5b7b5080a4.webp') center/cover no-repeat;
}
.quiet .sec-label { color: var(--gold-2); }
.quiet .sec-desc { color: rgba(247, 244, 238, .72); }
.quiet-list { display: grid; gap: 12px; }
.quiet-item {
 display: grid;
 grid-template-columns: 120px 1fr auto;
 gap: 18px;
 align-items: center;
 padding: 18px 20px;
 border-radius: 18px;
 background: rgba(247, 244, 238, .06);
 border: 1px solid rgba(247, 244, 238, .12);
 transition: background .2s ease, transform .2s ease;
}
.quiet-item:hover { background: rgba(247, 244, 238, .1); transform: translateX(3px); }
.quiet-item time { font-family: var(--mono); font-size: 13px; color: var(--gold-2); }
.quiet-item h3 { margin: 0; font-family: var(--serif); font-size: 22px; font-weight: 560; }
.quiet-item p { margin: 4px 0 0; color: rgba(247, 244, 238, .72); font-size: 14px; }
.brief-list { display: grid; gap: 14px; }
.brief {
 display: grid;
 grid-template-columns: 168px 1fr auto;
 gap: 18px;
 align-items: center;
 padding: 12px;
 background: var(--white);
 border: 1px solid var(--line);
 border-radius: 20px;
 box-shadow: var(--shadow-sm);
 transition: box-shadow .2s ease, transform .2s ease;
}
.brief:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.brief img { width: 168px; height: 112px; object-fit: cover; border-radius: 14px; }
.brief h3 { margin: 0; font-family: var(--serif); font-size: 20px; font-weight: 560; }
.brief p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.assure {
 display: grid;
 grid-template-columns: 1fr .86fr;
 gap: 22px;
 align-items: start;
}
.assure-points { display: grid; gap: 12px; }
.assure-item {
 display: grid;
 grid-template-columns: 42px 1fr;
 gap: 12px;
 padding: 16px;
 background: var(--white);
 border-radius: 16px;
 border: 1px solid var(--line);
}
.assure-item i {
 width: 42px;
 height: 42px;
 border-radius: 12px;
 display: grid;
 place-items: center;
 background: var(--ink);
 color: var(--gold-2);
}
.assure-item strong { display: block; }
.assure-item p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.form-card {
 background: var(--ink);
 color: var(--ivory);
 border-radius: 22px;
 padding: 22px;
 box-shadow: var(--shadow);
}
.form-card h3 { margin: 0; font-family: var(--serif); font-size: 26px; font-weight: 560; }
.form-card > p { margin: 8px 0 16px; color: rgba(247, 244, 238, .72); font-size: 14px; }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field span { font-size: 12px; letter-spacing: .08em; color: var(--gold-2); }
.field input, .field select {
 width: 100%;
 height: 44px;
 border-radius: 12px;
 border: 1px solid rgba(247, 244, 238, .16);
 background: rgba(247, 244, 238, .06);
 color: var(--ivory);
 padding: 0 12px;
 font-size: 14px;
}
.field select option { color: var(--ink); }
.form-card .btn { width: 100%; margin-top: 4px; }
.note-ok { min-height: 1.4em; margin: 10px 0 0; color: var(--gold-2); font-size: 14px; }
.site-footer {
 background: #101216;
 color: rgba(247, 244, 238, .78);
 padding: 48px 0 28px;
}
.foot-grid {
 display: grid;
 grid-template-columns: 1.4fr .8fr;
 gap: 28px;
 padding-bottom: 22px;
 border-bottom: 1px solid rgba(247, 244, 238, .1);
}
.site-footer strong {
 display: block;
 color: var(--ivory);
 font-family: var(--serif);
 font-size: 20px;
 font-weight: 560;
 margin-bottom: 8px;
}
.site-footer p { margin: 0; font-size: 14px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: start; justify-content: flex-end; }
.foot-links a {
 color: rgba(247, 244, 238, .8);
 font-size: 14px;
 border-bottom: 1px solid transparent;
 transition: color .2s ease, border-color .2s ease;
}
.foot-links a:hover { color: var(--gold-2); border-color: var(--gold-2); }
.copy { margin: 16px 0 0; font-size: 12px; color: rgba(247, 244, 238, .46); }
@media (max-width: 1024px) {
 .pl-hero-grid, .board, .story-block, .story-block.reverse, .assure, .foot-grid { grid-template-columns: 1fr; }
 .story-block.reverse .story-img { order: 0; }
 .steps { grid-template-columns: repeat(3, 1fr); }
 .foot-links { justify-content: flex-start; }
 .fix-row { grid-template-columns: 110px 1fr auto; }
 .fix-note { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
 .nav-links, .nav-float > .nav-search, .nav-float > .nav-cta { display: none; }
 .nav-toggle { display: inline-block; }
 .pl-hero { padding-top: 104px; }
 .pl-hero-bg { min-height: 0; }
 .pl-hero-grid { padding: 32px 0 40px; gap: 22px; }
 .steps, .quiet-item, .brief { grid-template-columns: 1fr; }
 .brief img { width: 100%; height: 180px; }
 .quiet-item time { font-size: 12px; }
 .fix-row { grid-template-columns: 1fr; gap: 6px; }
 .fix-side { text-align: left; }
 .series-bar { border-radius: 16px; }
}
@media (max-width: 520px) {
 .container { width: min(1120px, calc(100% - 28px)); }
 .site-header { padding: 0 12px; top: 10px; }
 .logo span { font-size: 14px; }
 .pl-kpis, .steps { grid-template-columns: 1fr 1fr; }
 .pl-hero h1 { font-size: 2rem; }
 .hero-actions .btn, .hero-actions .nav-cta { width: 100%; }
 .step { min-height: 0; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 * { transition: none !important; }
}