/* roulang page: index */
:root {
  --canvas: #0D0A14;
  --panel: #151020;
  --tray: #1D1728;
  --line: rgba(255, 255, 255, .08);
  --ink: #F7F5FC;
  --sub: #B7AEC7;
  --soft: #8D829E;
  --brand: #8B5CF6;
  --brandm: #A855F7;
  --brandp: #D946EF;
  --amber: #F59E0B;
  --honey: #FBBF24;
  --mint: #2DD4BF;
  --radius-lg: 26px;
  --radius-md: 18px;
  --shadow-soft: 0 16px 40px -18px rgba(0,0,0,.55);
  --shadow-lift: 0 28px 46px -20px rgba(0,0,0,.7);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  background: rgba(245, 158, 11, .25);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font-family: inherit;
}

button {
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid rgba(251, 191, 36, .9);
  outline-offset: 3px;
}

.container-x {
  width: min(1240px, calc(100% - 40px));
  margin-right: auto;
  margin-left: auto;
}

.num,
.stat-number {
  font-feature-settings: "tnum";
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(13, 10, 20, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(270px, 600px) auto;
  align-items: center;
  column-gap: 28px;
  min-height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  white-space: nowrap;
  min-width: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #8B5CF6, #D946EF);
  box-shadow: 0 10px 22px -10px rgba(168, 85, 247, .75);
  color: #fff;
  font-size: 17px;
  flex: none;
}

.brand-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.02em;
}

.search-box {
  min-width: 0;
}

.search-pill {
  display: flex;
  align-items: center;
  width: 100%;
  background: #1E1628;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  height: 48px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.search-pill:focus-within {
  background: #251B34;
  border-color: rgba(245, 158, 11, .65);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, .16);
}

.search-icon {
  color: var(--soft);
  padding-left: 18px;
  font-size: 15px;
  flex: none;
  transition: color .2s;
}

.search-pill:focus-within .search-icon {
  color: var(--honey);
}

.search-pill input {
  width: 100%;
  border: 0;
  background: transparent;
  outline: none;
  color: var(--ink);
  padding: 0 14px;
  height: 46px;
  font-size: 15px;
}

.search-pill input::placeholder {
  color: #786D8A;
}

.search-submit {
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  color: #1B1220;
  margin-right: 5px;
  flex: none;
  transition: transform .2s, box-shadow .2s, filter .2s;
}

.search-submit:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px -8px rgba(245, 158, 11, .8);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: #B7AEC7;
  white-space: nowrap;
  transition: color .2s, background .2s, border-color .2s;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, .05);
}

.nav-link.active {
  color: #fff;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: calc(50% - 3px);
  bottom: -5px;
  width: 6px;
  height: 6px;
  background: var(--amber);
  transform: rotate(45deg);
  border-radius: 1px;
}

.nav-link.nav-download {
  background: rgba(245, 158, 11, .14);
  border: 1px solid rgba(245, 158, 11, .36);
  color: #FBBF24;
}

.nav-link.nav-download:hover {
  background: rgba(245, 158, 11, .24);
  color: #fff;
  border-color: rgba(245, 158, 11, .6);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: var(--ink);
  width: 44px;
  height: 44px;
  border-radius: 14px;
  font-size: 19px;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, .09);
  border-color: rgba(245, 158, 11, .4);
}

.mobile-panel {
  display: none;
  background: #151020;
  border-top: 1px solid var(--line);
  padding: 22px 20px 26px;
}

.mobile-panel.open {
  display: block;
}

.mobile-search .search-pill {
  height: 52px;
}

.mobile-nav {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.mobile-nav .nav-link {
  justify-content: flex-start;
  height: 46px;
  padding: 0 16px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 16px;
}

.mobile-nav .nav-link.active {
  color: #fff;
  background: rgba(245, 158, 11, .12);
  border-color: rgba(245, 158, 11, .35);
}

.mobile-nav .nav-link.active::after {
  display: none;
}

.section-pad {
  padding-top: 84px;
  padding-bottom: 84px;
}

.section-head {
  margin-bottom: 42px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .08em;
  color: #FBBF24;
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, #F59E0B, rgba(245, 158, 11, .1));
  border-radius: 2px;
}

.section-title {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.24;
  letter-spacing: -.03em;
  font-weight: 800;
  margin-top: 12px;
}

.section-lead {
  color: var(--sub);
  max-width: 780px;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
}

.hero-area {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 118px 0 76px;
  isolation: isolate;
}

.hero-overlay {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1000px 420px at 74% 6%, rgba(168, 85, 247, .28), transparent 70%),
    radial-gradient(900px 520px at 10% 96%, rgba(217, 70, 239, .16), transparent 70%),
    linear-gradient(180deg, rgba(13, 10, 20, .78) 0%, rgba(13, 10, 20, .46) 46%, rgba(13, 10, 20, .94) 100%);
}

.hero-split {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(26px, 6vw, 74px);
  align-items: center;
}

.hero-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 999px;
  height: 30px;
  padding: 0 14px;
  font-size: 13px;
  color: #D9CFE7;
  letter-spacing: .02em;
}

.hero-tag i {
  color: #FBBF24;
  font-size: 12px;
}

.hero-title {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.16;
  letter-spacing: -.045em;
  font-weight: 800;
  margin: 20px 0 22px;
}

.grad-text {
  background: linear-gradient(120deg, #C4B0FF 0%, #F59E0B 38%, #FBBF24 68%, #D946EF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 17px;
  color: #C2B7D2;
  line-height: 1.9;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  color: #1C121F;
  box-shadow: 0 10px 24px -12px rgba(245, 158, 11, .75);
}

.btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-3px);
  box-shadow: 0 18px 34px -14px rgba(245, 158, 11, .85);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px -7px rgba(245, 158, 11, .55);
}

.btn-line {
  background: rgba(255, 255, 255, .04);
  color: #F7F5FC;
  border: 1px solid rgba(255, 255, 255, .17);
}

.btn-line:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .3);
  transform: translateY(-3px);
}

.btn-line:active {
  transform: translateY(0);
}

.hero-media {
  display: flex;
  justify-content: center;
}

.poster-frame {
  position: relative;
  width: 100%;
  max-width: 462px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .12);
  background: linear-gradient(150deg, #6C3FAF 0%, #241842 32%, #0B0812 100%);
  box-shadow: 0 36px 80px -28px rgba(0, 0, 0, .85);
  aspect-ratio: 4 / 5;
  transform: translateY(0);
  transition: transform .4s cubic-bezier(.2, .7, .3, 1);
}

.poster-frame:hover {
  transform: translateY(-6px);
}

.poster-frame img.poster-main-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.poster-fallback-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: .34;
}

.poster-shade {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(13, 10, 20, .05) 0%, rgba(13, 10, 20, .5) 76%, rgba(13, 10, 20, .84) 100%);
  pointer-events: none;
}

.poster-badge {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 18px;
  background: rgba(20, 15, 30, .78);
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 14px 36px -14px rgba(0, 0, 0, .8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 16px;
  min-width: 132px;
}

.poster-badge.top {
  top: 18px;
  right: 18px;
}

.poster-badge.bottom {
  left: 18px;
  bottom: 18px;
}

.poster-badge strong {
  display: block;
  font-size: 23px;
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 800;
}

.poster-badge small {
  display: block;
  color: #C8BDD6;
  font-size: 12px;
  margin-top: 3px;
  white-space: nowrap;
}

.badge-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, .35), rgba(217, 70, 239, .35));
  color: #FBBF24;
  font-size: 16px;
}

.online-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(45, 212, 191, .13), 0 0 0 9px rgba(45, 212, 191, .06);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: 22px;
  height: 34px;
  border: 2px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  display: flex;
  justify-content: center;
}

.scroll-cue::after {
  content: "";
  width: 3px;
  height: 7px;
  background: #FBBF24;
  border-radius: 99px;
  margin-top: 6px;
  animation: cueMove 1.8s ease-in-out infinite;
}

@keyframes cueMove {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

.panel-card {
  position: relative;
  display: block;
  background: #1D1728;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  height: 100%;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.panel-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 158, 11, .32);
  box-shadow: var(--shadow-lift);
}

.panel-media {
  position: relative;
  overflow: hidden;
}

.panel-media img {
  width: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.panel-card:hover .panel-media img {
  transform: scale(1.04);
}

.panel-card.media-large .panel-media {
  aspect-ratio: 16 / 8;
}

.panel-card.media-middle .panel-media {
  aspect-ratio: 16 / 9;
}

.panel-card.media-tall .panel-media {
  aspect-ratio: 4 / 3;
}

.panel-shade {
  position: absolute;
  left: 16px;
  bottom: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(13, 10, 20, .6);
  border: 1px solid rgba(255, 255, 255, .13);
  backdrop-filter: blur(10px);
  color: #F7F5FC;
  font-size: 12px;
  height: 27px;
  padding: 0 12px;
  border-radius: 999px;
}

.panel-body {
  padding: 25px 26px 27px;
}

.panel-card h3 {
  font-size: 21px;
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: -.015em;
  margin-top: 10px;
}

.panel-card p {
  color: #B7AEC7;
  font-size: 15px;
  line-height: 1.8;
  margin-top: 12px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.mini-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 12px;
  color: #CFC6DD;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #FBBF24;
  font-size: 14px;
  font-weight: 700;
  margin-top: 18px;
  transition: gap .2s, color .2s;
}

.card-link:hover {
  color: #fff;
  gap: 12px;
}

.arrow-link-text {
  transition: gap .2s, color .2s;
}

.special-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.special-grid .span-7 {
  grid-column: span 7;
}

.special-grid .span-5 {
  grid-column: span 5;
}

.special-grid .span-4 {
  grid-column: span 4;
}

.section-divider {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .1), transparent);
}

.reward-area {
  background:
    linear-gradient(rgba(21, 16, 32, .92), rgba(13, 10, 20, .96)),
    url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
}

.reward-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
}

.reward-card {
  background: #1D1728;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px 22px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position: relative;
}

.reward-card:hover {
  transform: translateY(-5px);
  border-color: rgba(245, 158, 11, .4);
  box-shadow: var(--shadow-lift);
}

.reward-card.accent-card {
  background: linear-gradient(165deg, #241C35 0%, #1A1330 55%, #251632 100%);
}

.reward-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: rgba(139, 92, 246, .2);
  border: 1px solid rgba(139, 92, 246, .28);
  color: #FBBF24;
}

.reward-card h3 {
  margin-top: 18px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.reward-card p {
  color: #B7AEC7;
  font-size: 14px;
  line-height: 1.75;
  margin-top: 10px;
}

.reward-state {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: #FBBF24;
  font-size: 12px;
}

.reward-state::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, .15);
}

.reward-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .28);
  font-size: 13px;
}

.step-section {
  background: #14101D;
}

.step-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 50px;
  align-items: center;
}

.step-canvas {
  background: #1D1728;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px 28px;
}

.step-list {
  display: grid;
  gap: 0;
}

.step-row {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
  position: relative;
}

.step-row + .step-row::before {
  content: "";
  position: absolute;
  left: 22px;
  top: -2px;
  height: 20px;
  width: 2px;
  background: rgba(255, 255, 255, .1);
}

.step-node {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .15);
  color: #A79BB8;
  font-size: 15px;
  font-weight: 800;
  z-index: 1;
}

.step-node.done-node {
  background: rgba(45, 212, 191, .12);
  border-color: rgba(45, 212, 191, .4);
  color: var(--mint);
}

.step-node.active-node {
  background: rgba(245, 158, 11, .16);
  border-color: rgba(245, 158, 11, .6);
  color: #FBBF24;
  box-shadow: 0 0 0 6px rgba(245, 158, 11, .08);
}

.step-row h3 {
  font-size: 18px;
  font-weight: 800;
}

.step-row p {
  color: #B7AEC7;
  font-size: 14px;
  line-height: 1.75;
  margin-top: 4px;
}

.step-pill {
  display: inline-flex;
  align-items: center;
  height: 28px;
  border-radius: 999px;
  padding: 0 13px;
  font-size: 12px;
  background: rgba(255, 255, 255, .05);
  color: #B7AEC7;
  border: 1px solid var(--line);
  white-space: nowrap;
}

.step-pill.mint {
  background: rgba(45, 212, 191, .1);
  border-color: rgba(45, 212, 191, .3);
  color: var(--mint);
}

.step-pill.amber {
  background: rgba(245, 158, 11, .12);
  border-color: rgba(245, 158, 11, .35);
  color: #FBBF24;
}

.progress-box {
  margin-top: 26px;
}

.progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #A79BB8;
  font-size: 13px;
  margin-bottom: 9px;
}

.progress-meta strong {
  color: #FBBF24;
  font-weight: 700;
}

.track-bar {
  height: 8px;
  background: rgba(255, 255, 255, .07);
  border-radius: 999px;
  overflow: hidden;
}

.track-fill {
  height: 100%;
  width: 68%;
  border-radius: inherit;
  background: linear-gradient(90deg, #F59E0B, #FBBF24);
}

.step-aside {
  padding: 10px 0;
}

.step-aside-box {
  background: #1D1728;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px;
}

.step-aside-box .aside-title {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.02em;
}

.step-aside-box .aside-text {
  color: #B7AEC7;
  font-size: 15px;
  line-height: 1.85;
  margin-top: 16px;
}

.detail-list {
  display: grid;
  gap: 13px;
  margin-top: 22px;
}

.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #CFC6DD;
  font-size: 15px;
  line-height: 1.7;
  list-style: none;
}

.detail-list li i {
  color: var(--mint);
  margin-top: 5px;
  width: 16px;
  font-size: 13px;
}

.cta-band {
  padding: 50px 0;
}

.cta-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: linear-gradient(135deg, #7C3AED 0%, #C026D3 55%, #E05CB8 100%);
  border-radius: 28px;
  padding: 42px 46px;
  overflow: hidden;
  box-shadow: 0 28px 70px -32px rgba(192, 38, 211, .7);
}

.cta-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 200px at 88% 10%, rgba(255, 255, 255, .24), transparent 60%);
  pointer-events: none;
}

.cta-info {
  position: relative;
  z-index: 2;
}

.cta-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  color: #fff;
}

.cta-banner h2 {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.3;
  letter-spacing: -.03em;
  font-weight: 800;
  color: #fff;
  margin-top: 16px;
  max-width: 760px;
}

.cta-banner p {
  color: rgba(255, 255, 255, .84);
  font-size: 15px;
  line-height: 1.8;
  margin-top: 12px;
  max-width: 720px;
}

.cta-btn {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(13, 10, 20, .22);
  border: 1px solid rgba(255, 255, 255, .55);
  color: #fff;
  border-radius: 999px;
  height: 54px;
  padding: 0 28px;
  font-weight: 800;
  white-space: nowrap;
  transition: background .2s, transform .2s, border-color .2s;
}

.cta-btn:hover {
  background: rgba(13, 10, 20, .35);
  border-color: #fff;
  transform: translateY(-3px);
}

.latest-area {
  background: #0F0B16;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.latest-panel {
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.news-row {
  display: grid;
  grid-template-columns: 148px 116px minmax(0, 1fr) 40px;
  grid-template-areas: "date tag content arrow";
  gap: 20px;
  align-items: center;
  padding: 26px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
  transition: background .2s ease, padding-left .25s ease;
}

.news-row:hover {
  background: rgba(255, 255, 255, .025);
  padding-left: 16px;
  border-radius: 16px;
}

.news-row .news-date {
  grid-area: date;
  color: #A79BB8;
  font-size: 14px;
  font-feature-settings: "tnum";
}

.news-row .news-tag {
  grid-area: tag;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  background: rgba(139, 92, 246, .13);
  border: 1px solid rgba(139, 92, 246, .3);
  color: #CFC2F2;
  font-size: 12px;
  height: 26px;
  padding: 0 12px;
  border-radius: 999px;
}

.news-row .news-content {
  grid-area: content;
  min-width: 0;
}

.news-content strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.55;
}

.news-content em {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-style: normal;
  color: #A79BB8;
  font-size: 14px;
  line-height: 1.8;
  margin-top: 6px;
}

.news-row .news-arrow {
  grid-area: arrow;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
  color: #B7AEC7;
  transition: background .2s, color .2s, border-color .2s;
}

.news-row:hover .news-arrow {
  background: rgba(245, 158, 11, .16);
  border-color: rgba(245, 158, 11, .38);
  color: #FBBF24;
}

.empty-panel {
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  color: #8D829E;
  background: rgba(255, 255, 255, .015);
  border: 1px dashed rgba(255, 255, 255, .13);
  border-radius: 22px;
  margin: 22px 0;
}

.empty-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #8D829E;
  border: 1px solid rgba(255, 255, 255, .13);
}

.text-soft {
  color: #8D829E;
}

.faq-area {
  background: #0D0A14;
}

.faq-inner {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: #1A1424;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 4px 22px;
  transition: border-color .2s ease, background .2s ease;
}

.faq-item + .faq-item {
  margin-top: 12px;
}

.faq-item[open] {
  border-color: rgba(245, 158, 11, .36);
  background: #201928;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  padding: 19px 0;
  font-weight: 700;
  font-size: 17px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 26px;
  height: 26px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  color: #B7AEC7;
  font-size: 16px;
  line-height: 1;
  transition: background .2s, color .2s, transform .2s, border-color .2s;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: rgba(245, 158, 11, .16);
  border-color: rgba(245, 158, 11, .4);
  color: #FBBF24;
}

.faq-answer {
  padding: 0 0 20px;
  color: #B7AEC7;
  font-size: 15px;
  line-height: 1.85;
}

.faq-answer p + p {
  margin-top: 10px;
}

.site-footer {
  background: #0D0A14;
  border-top: 1px solid var(--line);
  padding-top: 62px;
  padding-bottom: 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-name {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.02em;
}

.footer-desc {
  color: #8D829E;
  font-size: 14px;
  line-height: 1.85;
  margin-top: 18px;
  max-width: 360px;
}

.footer-title {
  color: #C5BAD4;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: #8D829E;
  font-size: 14px;
  transition: color .2s, padding-left .2s;
}

.footer-links a:hover {
  color: #FBBF24;
  padding-left: 5px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--line);
  margin-top: 46px;
  padding-top: 22px;
  color: #6E637E;
  font-size: 13px;
}

.footer-bottom a {
  color: #A79BB8;
  transition: color .2s;
}

.footer-bottom a:hover {
  color: #FBBF24;
}

.about-note {
  background: #151020;
  border-radius: 18px;
  padding: 20px;
  color: #A79BB8;
  font-size: 14px;
  line-height: 1.8;
  border: 1px solid var(--line);
}

@media (max-width: 1100px) {
  .header-inner {
    grid-template-columns: auto minmax(200px, 1fr) auto;
    column-gap: 18px;
  }

  .site-nav .nav-link {
    padding: 0 9px;
    font-size: 14px;
  }

  .special-grid .span-7,
  .special-grid .span-5,
  .special-grid .span-4 {
    grid-column: span 12;
  }

  .panel-card.media-large .panel-media {
    aspect-ratio: 16 / 9;
  }

  .reward-strip {
    grid-template-columns: 1fr;
  }

  .reward-arrow {
    transform: rotate(90deg);
  }

  .step-wrap {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .step-aside {
    display: none;
  }
}

@media (max-width: 1023px) {
  .header-inner {
    grid-template-columns: 1fr auto;
    column-gap: 16px;
  }

  .desktop-search {
    display: none;
  }

  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-panel {
    display: none;
  }

  .mobile-panel.open {
    display: block;
  }

  .hero-area {
    padding: 88px 0 64px;
    min-height: 0;
  }

  .hero-split {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .poster-frame {
    max-width: 520px;
    aspect-ratio: 16 / 10;
  }

  .section-pad {
    padding-top: 66px;
    padding-bottom: 66px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 767px) {
  .container-x {
    width: min(100% - 28px, 1240px);
  }

  .hero-title {
    font-size: 34px;
    line-height: 1.24;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .panel-body {
    padding: 21px 18px 22px;
  }

  .panel-card h3 {
    font-size: 19px;
  }

  .panel-card p {
    font-size: 14px;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
  }

  .cta-btn {
    width: 100%;
  }

  .news-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "date arrow"
      "tag tag"
      "content content";
    gap: 12px;
    padding: 20px 4px;
  }

  .news-row .news-arrow {
    width: 36px;
    height: 36px;
  }

  .step-canvas {
    padding: 22px 16px;
  }

  .step-row {
    grid-template-columns: 40px 1fr;
  }

  .step-pill {
    grid-column: 2;
    justify-self: start;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 18px;
  }

  .hero-kicker {
    gap: 8px;
  }

  .hero-actions {
    margin-top: 26px;
  }

  .section-title {
    font-size: 26px;
  }

  .reward-card {
    padding: 20px 18px;
  }

  .cta-tag {
    font-size: 12px;
  }

  .faq-inner {
    padding: 0;
  }

  .faq-item summary {
    font-size: 15px;
  }
}

/* roulang page: article */
:root {
            --bg-primary: #0D0A14;
            --bg-secondary: #151020;
            --bg-card: #1D1728;
            --border-card: rgba(255, 255, 255, 0.08);
            --text-primary: #F7F5FC;
            --text-secondary: #B7AEC7;
            --text-muted: #8D829E;
            --brand-purple: #8B5CF6;
            --brand-pink: #D946EF;
            --brand-violet: #A855F7;
            --amber: #F59E0B;
            --amber-light: #FBBF24;
            --mint: #2DD4BF;
            --shadow-card: 0 16px 40px -18px rgba(0, 0, 0, 0.55);
            --shadow-card-hover: 0 28px 46px -20px rgba(0, 0, 0, 0.7);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 70% 0%, rgba(94, 53, 177, 0.2) 0%, transparent 55%),
                radial-gradient(ellipse at 10% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 45%);
            color: var(--text-primary);
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container-x {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .gradient-text {
            background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 48%, #D946EF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .gradient-bg {
            background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 52%, #D946EF 100%);
        }

        .gradient-amber {
            background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
        }

        .site-header {
            background: rgba(13, 10, 20, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 50;
            height: 74px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 100%;
            position: relative;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-primary);
            min-width: max-content;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 48%, #D946EF 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
            box-shadow: 0 4px 14px rgba(139, 92, 246, 0.35);
        }

        .brand-name {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.2px;
            white-space: nowrap;
        }

        .search-box {
            flex: 1;
            max-width: 620px;
            margin: 0 auto;
        }

        .search-pill {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            height: 46px;
            padding: 0 6px 0 16px;
            transition: all 0.25s ease;
        }

        .search-pill:focus-within {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(245, 158, 11, 0.35);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
        }

        .search-icon {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 10px;
        }

        .search-pill input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 100%;
            flex: 1;
        }

        .search-pill input::placeholder {
            color: #6D5F85;
        }

        .search-submit {
            width: 36px;
            height: 36px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }

        .search-submit:hover {
            background: linear-gradient(135deg, #F59E0B, #FBBF24);
            color: #0D0A14;
            border-color: transparent;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .nav-link {
            padding: 8px 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.25s ease;
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-primary);
        }

        .nav-link.active {
            color: var(--text-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 999px;
            background: var(--amber);
        }

        .nav-link.nav-download {
            background: linear-gradient(135deg, #F59E0B, #FBBF24);
            color: #0D0A14;
            font-weight: 700;
            margin-left: 8px;
            padding: 8px 18px;
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }

        .nav-link.nav-download:hover {
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
            transform: translateY(-1px);
            color: #0D0A14;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            cursor: pointer;
            font-size: 18px;
            flex-shrink: 0;
        }

        .mobile-panel {
            display: none;
        }

        .site-main {
            position: relative;
        }

        .article-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png'), linear-gradient(135deg, #1D1728, #151020);
            background-size: cover;
            background-position: center;
            padding: 40px 0 0;
        }

        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 10, 20, 0.75) 0%, rgba(13, 10, 20, 0.55) 45%, var(--bg-primary) 100%);
        }

        .article-hero-inner {
            position: relative;
            z-index: 2;
            padding: 40px 0 48px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover {
            color: var(--text-primary);
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .breadcrumb .current {
            color: var(--text-secondary);
        }

        .article-single-title {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            max-width: 900px;
            margin-bottom: 22px;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .date-badge {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 8px 16px;
            gap: 12px;
        }

        .date-badge .date-day {
            font-size: 28px;
            font-weight: 800;
            line-height: 1;
            color: var(--amber-light);
            font-feature-settings: 'tnum';
        }

        .date-badge .date-month {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.3;
        }

        .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(139, 92, 246, 0.12);
            border: 1px solid rgba(139, 92, 246, 0.25);
            font-size: 13px;
            color: #C4A9F7;
            font-weight: 500;
        }

        .meta-reading {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-body-wrap {
            padding: 48px 0 64px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 200px minmax(0, 1fr) 240px;
            gap: 40px;
            align-items: start;
        }

        .article-toc {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
        }

        .toc-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            padding-left: 12px;
            border-left: 2px solid var(--amber);
        }

        .toc-list {
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 14px;
        }

        .toc-list a {
            display: block;
            padding: 7px 8px 7px 12px;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: 8px;
            border-left: 2px solid transparent;
            transition: background 0.2s ease, color 0.2s ease;
            line-height: 1.4;
        }

        .toc-list a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .article-content {
            max-width: 760px;
            min-width: 0;
            font-size: 16px;
            line-height: 1.9;
            color: rgba(247, 245, 252, 0.92);
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
            scroll-margin-top: 90px;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--text-primary);
            scroll-margin-top: 90px;
        }

        .article-content p {
            margin-bottom: 20px;
        }

        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            margin: 24px 0;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 22px;
            padding-left: 20px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--amber);
            padding: 4px 0 4px 20px;
            margin: 24px 0;
            color: var(--text-secondary);
            font-style: normal;
        }

        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            color: #E9E1F7;
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.9em;
        }

        .article-content a {
            color: #C4A9F7;
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(139, 92, 246, 0.4);
            transition: color 0.2s ease;
        }

        .article-content a:hover {
            color: var(--amber-light);
        }

        .article-content strong {
            color: var(--text-primary);
        }

        .download-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 52%, #D946EF 100%);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 999px;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(139, 92, 246, 0.35);
        }

        .download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(139, 92, 246, 0.5);
            color: #fff;
        }

        .article-aside {
            position: sticky;
            top: 96px;
        }

        .aside-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 16px;
        }

        .aside-card-title {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .aside-mini-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .aside-mini-badge {
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .stat-lead {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(217, 70, 239, 0.08));
            border: 1px solid rgba(139, 92, 246, 0.22);
            border-radius: 20px;
            padding: 20px;
            margin-top: 24px;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .stat-lead .stat-icon {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            background: rgba(139, 92, 246, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #A855F7;
        }

        .stat-lead .stat-content p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .stat-lead .stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .article-extra-block {
            margin-top: 32px;
            background: rgba(139, 92, 246, 0.05);
            border: 1px solid rgba(139, 92, 246, 0.12);
            border-radius: 20px;
            padding: 22px;
            display: none;
        }

        .back-to-post {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 10px 22px;
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .back-link:hover {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .related-section {
            margin-top: 64px;
        }

        .related-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .related-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .related-sub-title {
            font-size: 14px;
            color: var(--text-muted);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 16px;
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 18px;
            overflow: hidden;
            padding: 18px;
            transition: all 0.3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.16);
            box-shadow: var(--shadow-card-hover);
        }

        .related-tag {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .related-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .related-card a {
            color: var(--text-primary);
            text-decoration: none;
        }

        .card-arrow {
            color: var(--amber);
            font-size: 13px;
            margin-top: 8px;
            display: inline-block;
            transition: transform 0.25s ease;
        }

        .related-card:hover .card-arrow {
            transform: translateX(4px);
        }

        .site-footer {
            background: #0A0711;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 20px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 320px;
        }

        .footer-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--amber-light);
        }

        .about-note {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .empty-card {
            text-align: center;
            padding: 60px 20px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px dashed rgba(255, 255, 255, 0.08);
        }

        .empty-card .empty-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-muted);
        }

        .empty-card p {
            color: var(--text-secondary);
            margin: 0;
        }

        .btn-secondary-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            padding: 10px 22px;
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .btn-secondary-link:hover {
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-2px);
            color: var(--text-primary);
        }

        body.is-article .nav-article {
            color: var(--text-primary);
            font-weight: 600;
        }

        body.is-article .nav-article::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 999px;
            background: var(--amber);
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: minmax(0, 1fr);
                gap: 32px;
            }

            .article-toc {
                display: none;
            }

            .article-aside {
                position: static;
            }

            .article-aside .aside-card,
            .article-aside .stat-lead {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 860px) {
            .brand-name {
                font-size: 15px;
            }

            .desktop-search {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .site-nav {
                display: none;
            }

            .mobile-panel {
                display: block;
                position: absolute;
                top: 74px;
                left: 0;
                right: 0;
                background: rgba(13, 10, 20, 0.98);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                padding: 20px;
                backdrop-filter: blur(20px);
                transform: translateY(-14px);
                opacity: 0;
                visibility: hidden;
                transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
            }

            .mobile-panel.is-open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .mobile-search {
                margin-bottom: 16px;
            }

            .mobile-nav {
                display: flex;
                flex-direction: column;
                gap: 4px;
            }

            .mobile-nav .nav-link {
                padding: 12px 10px;
                border-radius: 10px;
            }

            .mobile-nav .nav-link.nav-download {
                margin-top: 6px;
            }
        }

        @media (max-width: 640px) {
            .header-inner {
                gap: 12px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .article-single-title {
                font-size: 24px;
                line-height: 1.35;
            }

            .article-meta-row {
                gap: 10px;
            }

            .date-badge {
                padding: 6px 12px;
            }

            .date-badge .date-day {
                font-size: 22px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-content h2 {
                font-size: 22px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .article-body-wrap {
                padding: 32px 0 48px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .stat-lead {
                flex-direction: column;
                text-align: center;
            }
        }

        .site-main,
        .article-body-wrap {
            width: 100%;
        }

/* roulang page: category1 */
:root {
    --bg: #0D0A14;
    --bg2: #151020;
    --card: #1D1728;
    --line: rgba(255, 255, 255, 0.08);
    --text: #F7F5FC;
    --muted: #B7AEC7;
    --dim: #8D829E;
    --violet: #8B5CF6;
    --purple: #A855F7;
    --magenta: #D946EF;
    --amber: #F59E0B;
    --amber-light: #FBBF24;
    --mint: #2DD4BF;
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --shadow-card: 0 16px 40px -18px rgba(0, 0, 0, 0.55);
    --shadow-hover: 0 28px 46px -20px rgba(0, 0, 0, 0.7);
    --gradient-brand: linear-gradient(135deg, #8B5CF6, #A855F7, #D946EF);
    --gradient-amber: linear-gradient(135deg, #F59E0B, #FBBF24);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button,
  input {
    font-family: inherit;
    font-size: inherit;
  }

  .container-x {
    width: min(1240px, 100% - 48px);
    margin-inline: auto;
  }

  .section {
    padding: 80px 0;
  }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid rgba(251, 191, 36, 0.35);
    border-radius: 999px;
    color: var(--amber-light);
    font-size: 13px;
    letter-spacing: 0.04em;
    background: rgba(245, 158, 11, 0.06);
  }

  .gradient-text {
    background: linear-gradient(120deg, #C4B5FD, #E879F9, #FBBF24);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(13, 10, 20, 0.86);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }

  .header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    font-weight: 800;
    letter-spacing: -0.01em;
    font-size: 18px;
  }

  .brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 14px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 16px;
  }

  .brand-name {
    white-space: nowrap;
  }

  .search-box {
    flex: 1;
    max-width: 620px;
    min-width: 240px;
    margin-inline: auto;
  }

  .search-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #151020;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    height: 50px;
    padding: 0 6px 0 18px;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  }

  .search-pill:focus-within {
    background: #1D1728;
    border-color: rgba(251, 191, 36, 0.42);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
  }

  .search-icon {
    color: var(--dim);
    font-size: 15px;
  }

  .search-pill input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    outline: none;
    color: var(--text);
    font-size: 15px;
  }

  .search-pill input::placeholder {
    color: #8D829E;
  }

  .search-submit {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 999px;
    background: var(--gradient-amber);
    color: #201000;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: filter .2s ease, transform .2s ease;
  }

  .search-submit:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
  }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 4px;
    color: var(--muted);
    font-weight: 500;
    transition: color .2s ease;
    font-size: 15px;
    white-space: nowrap;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -2px;
    transform: translateX(-50%) rotate(45deg);
    width: 6px;
    height: 6px;
    background: var(--amber);
    opacity: 0;
    transition: opacity .2s ease;
  }

  .nav-link:hover {
    color: #fff;
  }

  .nav-link.active {
    color: #fff;
  }

  .nav-link.active::after {
    opacity: 1;
  }

  .nav-download {
    border: 1px solid rgba(251, 191, 36, 0.5);
    border-radius: 999px;
    padding: 8px 16px !important;
    color: #FBBF24;
    margin-left: 4px;
  }

  .nav-download:hover,
  .nav-download.active {
    border-color: transparent;
    background: var(--gradient-amber);
    color: #201000;
  }

  .menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    font-size: 18px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .mobile-panel {
    display: none;
  }

  @media (max-width: 1199px) {
    .header-inner {
      flex-wrap: wrap;
    }

    .search-box.desktop-search {
      display: none;
    }

    .site-nav {
      margin-left: auto;
    }
  }

  @media (max-width: 1023px) {
    .site-nav {
      display: none;
    }

    .menu-toggle {
      display: inline-flex;
      margin-left: auto;
    }

    .mobile-panel.open {
      display: block;
      padding: 12px 0 20px;
      border-top: 1px solid var(--line);
    }

    .mobile-search {
      margin-bottom: 12px;
    }

    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .mobile-nav .nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 8px;
      border-radius: 12px;
    }

    .mobile-nav .nav-link:hover {
      background: rgba(255, 255, 255, 0.04);
    }

    .mobile-nav .nav-link.active::after {
      display: none;
    }

    .mobile-nav .nav-link.active {
      color: var(--amber-light);
    }

    .mobile-nav .nav-download {
      border: 0;
      padding: 12px 8px !important;
    }
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    border: 0;
    cursor: pointer;
    transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, background .2s ease;
  }

  .btn-primary {
    background: var(--gradient-amber);
    color: #231500;
    box-shadow: 0 10px 22px -12px rgba(245, 158, 11, 0.75);
  }

  .btn-primary:hover {
    filter: brightness(1.06);
    transform: translateY(-2px);
    box-shadow: 0 14px 28px -12px rgba(245, 158, 11, 0.9);
  }

  .btn-primary:active {
    transform: translateY(0);
  }

  .btn-ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #fff;
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.3);
  }

  .btn:focus-visible,
  .nav-link:focus-visible,
  .search-submit:focus-visible {
    outline: 2px solid rgba(251, 191, 36, 0.7);
    outline-offset: 3px;
  }

  .card {
    position: relative;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }

  .card:hover {
    transform: translateY(-4px);
    border-color: rgba(251, 191, 36, 0.25);
    box-shadow: var(--shadow-hover);
  }

  .card-sm {
    border-radius: var(--radius-lg);
  }

  .chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    font-size: 13px;
    border-radius: 999px;
    color: #C4B5FD;
    background: rgba(139, 92, 246, 0.14);
    border: 1px solid rgba(139, 92, 246, 0.25);
  }

  .chip-amber {
    color: #FBBF24;
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(251, 191, 36, 0.3);
  }

  .chip-mint {
    color: #5EEAD4;
    background: rgba(45, 212, 191, 0.1);
    border-color: rgba(45, 212, 191, 0.3);
  }

  .data-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 14px;
    border-radius: 18px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.2);
    width: fit-content;
  }

  .data-badge strong {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    font-variant-numeric: tabular-nums;
  }

  .data-badge span {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.4;
  }

  .badge-amber {
    background: rgba(245, 158, 11, 0.13);
    border-color: rgba(245, 158, 11, 0.3);
  }

  .page-banner {
    position: relative;
    padding: 56px 0 48px;
    background-image: linear-gradient(90deg, rgba(13, 10, 20, 0.92), rgba(29, 23, 40, 0.72)),
      url('/assets/images/backpic/back-1.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--line);
    overflow: hidden;
  }

  .page-banner::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.36), transparent 68%);
    pointer-events: none;
  }

  .banner-inner {
    position: relative;
    z-index: 2;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--dim);
    margin-bottom: 18px;
  }

  .breadcrumb a {
    transition: color .2s ease;
  }

  .breadcrumb a:hover {
    color: var(--amber-light);
  }

  .cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .focus-card {
    overflow: hidden;
    min-height: 520px;
    display: flex;
    flex-direction: column;
  }

  .aspect-16x9 {
    aspect-ratio: 16 / 9;
  }

  .focus-image-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(145deg, #1D1728, #241B33);
  }

  .focus-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .focus-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 10, 20, 0.9), transparent 58%);
  }

  .focus-copy {
    position: relative;
    z-index: 2;
  }

  .side-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
  }

  .side-item {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 22px 24px;
    min-height: calc((520px - 32px) / 3);
    height: 100%;
  }

  .side-item .side-content {
    gap: 8px;
    display: flex;
    flex-direction: column;
  }

  .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-weight: 600;
    font-size: 14px;
    transition: color .2s ease;
  }

  .arrow-link:hover {
    color: var(--amber-light);
  }

  .icon-orb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: rgba(139, 92, 246, 0.14);
    border: 1px solid rgba(139, 92, 246, 0.24);
    color: #C4B5FD;
    font-size: 18px;
    flex-shrink: 0;
  }

  .icon-orb-amber {
    background: rgba(245, 158, 11, 0.13);
    border-color: rgba(245, 158, 11, 0.26);
    color: #FBBF24;
  }

  .icon-orb-mint {
    background: rgba(45, 212, 191, 0.12);
    border-color: rgba(45, 212, 191, 0.26);
    color: #5EEAD4;
  }

  .ladder-row {
    display: grid;
    grid-template-columns: 1fr 24px 1fr 24px 1fr 24px 1fr;
    align-items: stretch;
    gap: 4px;
  }

  .ladder-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--amber);
    font-size: 18px;
  }

  @media (max-width: 768px) {
    .ladder-row {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .ladder-arrow {
      transform: rotate(90deg);
      padding: 2px 0;
    }
  }

  .progress-track {
    background: rgba(255, 255, 255, 0.07);
    height: 10px;
    border-radius: 999px;
    overflow: hidden;
    position: relative;
  }

  .progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #F59E0B, #FBBF24);
    width: 42%;
  }

  .task-step {
    display: grid;
    grid-template-columns: 46px 1fr auto;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    border-radius: var(--radius-lg);
    background: rgba(29, 23, 40, 0.95);
    border: 1px solid var(--line);
  }

  .step-node {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--muted);
    background: #151020;
  }

  .step-node.done {
    background: rgba(45, 212, 191, 0.18);
    border-color: rgba(45, 212, 191, 0.32);
    color: var(--mint);
  }

  .step-node.current {
    background: rgba(245, 158, 11, 0.18);
    border-color: rgba(245, 158, 11, 0.45);
    color: var(--amber);
    box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.08);
  }

  .status-pill {
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    border: 1px solid transparent;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.05);
    white-space: nowrap;
  }

  .status-pill.done {
    color: #5EEAD4;
    background: rgba(45, 212, 191, 0.12);
    border-color: rgba(45, 212, 191, 0.25);
  }

  .status-pill.current {
    color: #FBBF24;
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(251, 191, 36, 0.3);
  }

  @media (max-width: 640px) {
    .task-step {
      grid-template-columns: 42px 1fr;
    }

    .status-pill {
      grid-column: 2;
      width: fit-content;
    }

    .section {
      padding: 50px 0;
    }
  }

  .faq-item {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #151020;
    overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .faq-item[open] {
    border-color: rgba(251, 191, 36, 0.32);
  }

  .faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    list-style: none;
    padding: 18px 20px 16px;
    font-weight: 700;
    color: var(--text);
    user-select: none;
    transition: color .2s ease;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary:hover {
    color: var(--amber-light);
  }

  .faq-icon {
    position: relative;
    width: 30px;
    height: 30px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    flex-shrink: 0;
    color: var(--amber);
  }

  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 2px;
    background: var(--amber);
    border-radius: 2px;
  }

  .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
    transition: opacity .2s ease;
  }

  .faq-item[open] .faq-icon::after {
    opacity: 0;
  }

  .faq-answer {
    padding: 0 20px 20px;
    color: var(--muted);
    font-size: 15px;
  }

  .cta-band {
    background: linear-gradient(135deg, #8B5CF6, #A855F7, #D946EF);
    border-radius: 28px;
    padding: 48px 40px;
    overflow: hidden;
    position: relative;
  }

  .cta-band::before {
    content: "";
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    filter: blur(70px);
    right: -80px;
    top: -120px;
  }

  .cta-band .btn-ghost {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.12);
  }

  .cta-band .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.22);
  }

  .cta-band .btn-primary {
    color: #2A1800;
  }

  .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 24px 0 8px;
  }

  .page-item {
    min-width: 42px;
    height: 42px;
    padding: 0 10px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--muted);
    font-weight: 700;
    cursor: default;
  }

  .page-item.is-current {
    background: linear-gradient(135deg, #A855F7, #D946EF);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 8px 18px -8px rgba(217, 70, 239, 0.6);
  }

  .site-footer {
    background: #0B0810;
    border-top: 1px solid var(--line);
    padding: 64px 0 28px;
    margin-top: 60px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 42px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 19px;
    margin-bottom: 12px;
  }

  .footer-desc {
    color: var(--dim);
    font-size: 14px;
    max-width: 320px;
    margin-top: 8px;
  }

  .footer-title {
    color: #6B647C;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    color: var(--muted);
    font-size: 14px;
    transition: color .2s ease, transform .2s ease;
    width: fit-content;
  }

  .footer-links a:hover {
    color: var(--amber-light);
    transform: translateX(3px);
  }

  .about-note {
    color: var(--dim);
    font-size: 14px;
    line-height: 1.8;
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 22px;
    color: #6B647C;
    font-size: 13px;
    flex-wrap: wrap;
  }

  @media (max-width: 1023px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 640px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .footer-bottom {
      justify-content: center;
      text-align: center;
    }

    .section-head {
      flex-direction: column;
      align-items: flex-start;
    }

    .container-x {
      width: min(100% - 32px, 1240px);
    }

    .page-banner {
      padding: 40px 0 34px;
    }
  }

/* roulang page: category3 */
:root {
    --bg: #0D0A14;
    --panel: #151020;
    --card: #1D1728;
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.14);
    --text: #F7F5FC;
    --text-2: #B7AEC7;
    --text-3: #8D829E;
    --grad: linear-gradient(135deg, #8B5CF6, #A855F7 48%, #D946EF);
    --amber: #F59E0B;
    --amber-2: #FBBF24;
    --mint: #2DD4BF;
    --radius-lg: 26px;
    --radius: 18px;
    --shadow: 0 16px 40px -18px rgba(0, 0, 0, .55);
    --shadow-hover: 0 28px 46px -20px rgba(0, 0, 0, .7);
    --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  button, input {
    font-family: inherit;
    color: inherit;
    outline: none;
  }

  button {
    cursor: pointer;
    border: 0;
    background: none;
  }

  .container-x {
    max-width: 1240px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 10, 20, 0.78);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
  }

  .header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    min-width: 0;
  }

  .brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    background: var(--grad);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    flex-shrink: 0;
    box-shadow: 0 6px 18px rgba(139, 92, 246, .32);
  }

  .brand-name {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.3px;
    white-space: nowrap;
  }

  .search-box {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
  }

  .search-pill {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 620px;
    height: 50px;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    transition: background .2s, border-color .2s, box-shadow .2s;
    padding-left: 18px;
    padding-right: 6px;
    gap: 10px;
  }

  .search-pill:focus-within {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(245, 158, 11, .5);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, .18);
  }

  .search-icon {
    color: var(--text-2);
    font-size: 15px;
  }

  .search-pill input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    font-size: 15px;
    color: var(--text);
  }

  .search-pill input::placeholder {
    color: var(--text-3);
  }

  .search-submit {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background: linear-gradient(135deg, #F59E0B, #FBBF24);
    color: #241505;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    transition: transform .2s, box-shadow .2s;
  }

  .search-submit:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 22px rgba(245, 158, 11, .32);
  }

  .site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    flex-shrink: 0;
  }

  .nav-link {
    height: 40px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    color: var(--text-2);
    font-size: 15px;
    font-weight: 500;
    transition: color .2s, background .2s;
  }

  .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .06);
  }

  .nav-link.active {
    color: #fff;
    font-weight: 600;
  }

  .nav-link.active::after {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 1px;
    background: #F59E0B;
    transform: rotate(45deg);
    margin-left: 2px;
  }

  .nav-download {
    background: rgba(217, 70, 239, 0.1);
    border: 1px solid rgba(217, 70, 239, 0.24);
  }

  .nav-download:hover {
    background: rgba(217, 70, 239, 0.18);
  }

  .menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--line);
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 18px;
    flex-shrink: 0;
  }

  .mobile-panel {
    display: none;
    border-top: 1px solid var(--line);
    background: rgba(13, 10, 20, 0.98);
    padding: 18px 20px 20px;
    gap: 18px;
  }

  .mobile-panel.open {
    display: flex;
    flex-direction: column;
  }

  .mobile-search .search-pill {
    max-width: none;
  }

  .mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .mobile-nav .nav-link {
    height: 48px;
    width: 100%;
    justify-content: flex-start;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
  }

  .mobile-nav .nav-link + .nav-link {
    margin-top: 6px;
  }

  @media (max-width: 1119px) {
    .desktop-search,
    .site-nav {
      display: none;
    }

    .menu-toggle {
      display: inline-flex;
    }
  }

  @media (max-width: 520px) {
    .brand-name {
      font-size: 17px;
    }

    .brand-icon {
      width: 34px;
      height: 34px;
    }

    .header-inner {
      min-height: 70px;
    }
  }

  .page-wrap {
    overflow: hidden;
    padding-bottom: 0;
  }

  .category-hero {
    position: relative;
    background: var(--panel);
    padding: 60px 0 52px;
    border-bottom: 1px solid var(--line);
  }

  .category-hero .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center 30%;
    opacity: 0.48;
  }

  .category-hero:before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(720px 300px at 15% 10%, rgba(139, 92, 246, 0.28), transparent 62%),
      radial-gradient(560px 260px at 85% 30%, rgba(217, 70, 239, 0.2), transparent 60%),
      linear-gradient(180deg, rgba(13, 10, 20, 0.2) 0%, rgba(21, 16, 32, 0.8) 82%, #151020 100%);
    z-index: 1;
  }

  .hero-copy {
    position: relative;
    z-index: 3;
  }

  .crumb {
    font-size: 13px;
    color: var(--text-2);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 22px;
  }

  .crumb a {
    color: var(--text-2);
    transition: color .2s;
  }

  .crumb a:hover {
    color: #fff;
  }

  .crumb span.dot {
    color: var(--text-3);
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 7px 14px;
    border-radius: 999px;
    color: var(--text-2);
    font-size: 13px;
    letter-spacing: 0.2px;
    margin-bottom: 18px;
  }

  .eyebrow i {
    color: #F59E0B;
  }

  .category-hero h1 {
    margin: 0;
    font-size: clamp(42px, 6vw, 62px);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -1.2px;
    color: #fff;
  }

  .category-hero .lead {
    margin-top: 18px;
    max-width: 860px;
    font-size: 17px;
    color: #C8BFD3;
    line-height: 1.8;
  }

  .hero-stat-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    margin-top: 30px;
  }

  .stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--line);
    padding: 9px 14px;
    border-radius: 999px;
    font-size: 14px;
    color: #D7CFE2;
  }

  .stat-pill strong {
    font-size: 20px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: #fff;
    letter-spacing: -0.4px;
  }

  .stat-pill .label {
    color: var(--text-2);
  }

  .stat-pill .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: #2DD4BF;
    box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.14);
  }

  .section-block {
    padding: 88px 0;
  }

  .section-block.tight {
    padding-top: 56px;
  }

  @media (max-width: 760px) {
    .section-block {
      padding: 64px 0;
    }
    .category-hero {
      padding: 44px 0 40px;
    }
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #D946EF;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
  }

  .section-kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    border-radius: 4px;
    background: linear-gradient(90deg, #D946EF, #8B5CF6);
  }

  .section-title {
    max-width: 810px;
    margin: 0 0 12px;
    font-size: clamp(28px, 3.2vw, 38px);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.6px;
    color: #fff;
  }

  .section-desc {
    max-width: 840px;
    color: var(--text-2);
    font-size: 16px;
    margin-bottom: 30px;
  }

  .process-list {
    position: relative;
    display: flex;
    gap: 20px;
    padding: 8px 0;
  }

  .process-line {
    position: absolute;
    left: 8%;
    right: 8%;
    top: 34px;
    height: 2px;
    background: linear-gradient(90deg, rgba(139, 92, 246, .6), rgba(217, 70, 239, .45), rgba(255,255,255,.09));
    border-radius: 99px;
    z-index: 0;
  }

  .process-step {
    flex: 1;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 22px 18px 20px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
    transition: transform .28s, border-color .28s, box-shadow .28s;
    z-index: 2;
  }

  .process-step:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, .36);
    box-shadow: var(--shadow-hover);
  }

  .step-badge {
    width: 44px;
    height: 44px;
    margin: 0 auto 14px;
    background: var(--grad);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: #fff;
    box-shadow: 0 8px 20px rgba(139, 92, 246, .26);
  }

  .process-step h3 {
    margin: 0 0 8px;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
  }

  .process-step p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-2);
  }

  @media (max-width: 940px) {
    .process-list {
      flex-direction: column;
    }

    .process-line {
      display: none;
    }

    .process-step {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      text-align: left;
      padding: 20px 18px;
    }

    .step-badge {
      margin: 0;
      flex-shrink: 0;
    }
  }

  .dl-card-list {
    margin-top: 20px;
  }

  .dl-row {
    display: grid;
    grid-template-columns: 56px minmax(200px, 1.4fr) minmax(130px, .8fr) minmax(130px, .7fr) auto;
    align-items: center;
    gap: 16px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px 20px;
    transition: transform .25s, border-color .25s, box-shadow .25s;
    margin-bottom: 12px;
  }

  .dl-row:hover {
    transform: translateY(-3px);
    border-color: rgba(245, 158, 11, .34);
    box-shadow: var(--shadow);
  }

  .dl-icon {
    width: 46px;
    height: 46px;
    background: rgba(139, 92, 246, 0.12);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    color: #CBA6FF;
  }

  .dl-icon.is-amber {
    background: rgba(245, 158, 11, 0.12);
    color: #FBBF24;
  }

  .dl-icon.is-mint {
    background: rgba(45, 212, 191, 0.1);
    color: #2DD4BF;
  }

  .dl-file-title {
    font-weight: 700;
    font-size: 16px;
    color: #fff;
  }

  .dl-file-desc {
    font-size: 13px;
    color: var(--text-3);
    margin-top: 4px;
  }

  .dl-version,
  .dl-status {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .dl-label {
    font-size: 12px;
    color: var(--text-3);
  }

  .dl-value {
    font-weight: 700;
    color: #E9E2F2;
    font-variant-numeric: tabular-nums;
    font-size: 14px;
  }

  .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
    line-height: 1.2;
  }

  .status-pill .pulse {
    width: 6px;
    height: 6px;
    border-radius: 99px;
  }

  .status-mint {
    background: rgba(45, 212, 191, 0.1);
    color: #67E8D4;
  }

  .status-mint .pulse {
    background: #2DD4BF;
  }

  .status-amber {
    background: rgba(245, 158, 11, 0.1);
    color: #FCD188;
  }

  .status-amber .pulse {
    background: #F59E0B;
  }

  .btn-row {
    min-width: 0;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    transition: transform .22s, box-shadow .22s, background .22s, border-color .22s;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .16);
    color: #F7F5FC;
  }

  .btn:hover {
    background: rgba(255, 255, 255, .07);
    border-color: rgba(255, 255, 255, .28);
    transform: translateY(-2px);
  }

  .btn:active {
    transform: translateY(0);
  }

  .btn:focus-visible {
    outline: 4px solid rgba(255, 255, 255, .14);
    outline-offset: 2px;
  }

  .btn-amber {
    background: linear-gradient(120deg, #F59E0B, #FBBF24);
    color: #281703;
    border: 1px solid rgba(255, 255, 255, 0.24);
    box-shadow: 0 10px 22px rgba(245, 158, 11, .2);
  }

  .btn-amber:hover {
    background: linear-gradient(120deg, #FBBF24, #FCD34D);
    color: #1F1201;
    border-color: rgba(255, 255, 255, .34);
    box-shadow: 0 14px 30px rgba(245, 158, 11, .34);
  }

  .btn-compact {
    height: 40px;
    padding: 0 16px;
    font-size: 14px;
  }

  .pager-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }

  .pager-list {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .pager-num {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 700;
    border: 1px solid rgba(255,255,255,.18);
    color: var(--text-2);
    transition: all .2s;
  }

  .pager-num:hover {
    border-color: rgba(255, 255, 255, .36);
    color: #fff;
    transform: translateY(-2px);
  }

  .pager-num.is-current {
    background: linear-gradient(135deg, #F59E0B, #FBBF24);
    color: #241505;
    border-color: transparent;
    box-shadow: 0 8px 18px rgba(245, 158, 11, .28);
  }

  .pager-text {
    font-size: 13px;
    color: var(--text-3);
  }

  @media (max-width: 980px) {
    .dl-row {
      grid-template-columns: 52px 1fr auto;
    }

    .dl-row .dl-version,
    .dl-row .dl-status {
      margin-left: 68px;
    }

    .dl-row .dl-status {
      margin-left: 8px;
    }
  }

  @media (max-width: 620px) {
    .dl-row {
      grid-template-columns: 44px 1fr;
      padding: 16px;
      gap: 10px;
    }

    .dl-row .dl-version,
    .dl-row .dl-status {
      grid-column: 1 / -1;
      flex-direction: row;
      flex-wrap: wrap;
      align-items: center;
      gap: 6px 12px;
      margin-left: 0;
    }

    .dl-row .btn-row {
      grid-column: 1 / -1;
      display: flex;
      justify-content: flex-end;
    }
  }

  .split-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 24px;
  }

  .soft-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 28px;
    box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s, border-color .25s;
  }

  .soft-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
  }

  .soft-card .card-title {
    margin: 0 0 6px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
  }

  .soft-card .card-sub {
    color: var(--text-3);
    font-size: 14px;
    margin-bottom: 20px;
  }

  .check-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .check-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: #C9C0D4;
    font-size: 15px;
    line-height: 1.65;
  }

  .check-list li i {
    margin-top: 6px;
    color: #2DD4BF;
    font-size: 13px;
    width: 20px;
    height: 20px;
    border-radius: 99px;
    background: rgba(45, 212, 191, .1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .secure-note {
    margin-top: 20px;
    background: rgba(139, 92, 246, .06);
    border: 1px solid rgba(139, 92, 246, .14);
    border-radius: 16px;
    padding: 16px 18px;
    color: #CFC0E8;
    font-size: 14px;
    line-height: 1.7;
  }

  .secure-note i {
    color: #D946EF;
    margin-right: 6px;
  }

  .cover-aside {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    min-height: 300px;
    background: #1D1728;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .cover-aside img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
  }

  .cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 20%, rgba(13,10,20,.82) 82%);
  }

  .cover-caption {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 18px;
    color: #fff;
    font-size: 14px;
    line-height: 1.6;
    z-index: 2;
  }

  .cover-caption strong {
    display: block;
    font-size: 16px;
    margin-bottom: 3px;
  }

  .mini-callout {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-top: 14px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 16px;
  }

  .mini-callout i {
    color: #D946EF;
    font-size: 18px;
    margin-top: 2px;
  }

  .mini-callout p {
    margin: 0;
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
  }

  @media (max-width: 850px) {
    .split-grid {
      grid-template-columns: 1fr;
    }
  }

  .check-note {
    margin: 22px auto 0;
    max-width: 820px;
    text-align: center;
    color: var(--text-3);
    font-size: 14px;
  }

  .cta-band {
    position: relative;
    overflow: hidden;
    background: linear-gradient(120deg, #2B1C44, #4A215E 58%, #3D2558);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, .14);
    padding: 42px 42px;
    box-shadow: var(--shadow);
  }

  .cta-band::after {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    right: -100px;
    top: -120px;
    background: radial-gradient(circle, rgba(245, 158, 11, .24), transparent 70%);
    pointer-events: none;
  }

  .cta-band h2 {
    margin: 0 0 10px;
    font-size: clamp(21px, 2.5vw, 30px);
    font-weight: 800;
    letter-spacing: -0.4px;
    color: #fff;
    position: relative;
    z-index: 1;
  }

  .cta-band p {
    margin: 0;
    color: #D6CBDE;
    font-size: 15px;
    max-width: 680px;
    position: relative;
    z-index: 1;
  }

  .cta-band .btn {
    margin-top: 24px;
  }

  .faq-block {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    margin-bottom: 10px;
    transition: border-color .25s, background .25s;
  }

  .faq-item[open] {
    border-color: rgba(245, 158, 11, .35);
    background: #201A2C;
  }

  .faq-summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 72px;
    padding: 18px 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #F0EAF8;
    user-select: none;
  }

  .faq-summary::-webkit-details-marker {
    display: none;
  }

  .faq-icon {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    background: rgba(255, 255, 255, .06);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #D946EF;
    transition: transform .2s, background .2s;
  }

  .faq-item[open] .faq-icon {
    transform: rotate(45deg);
    background: rgba(245, 158, 11, .14);
    color: #F59E0B;
  }

  .faq-answer {
    padding: 0 24px 22px;
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.85;
  }

  .faq-answer p {
    margin: 0;
  }

  @media (max-width: 520px) {
    .faq-summary {
      font-size: 15px;
      padding: 16px;
    }
    .faq-answer {
      padding: 0 18px 18px;
    }
  }

  .site-footer {
    background: #0A0710;
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding: 60px 0 28px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 34px;
    padding-bottom: 40px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--line);
  }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .footer-brand .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 13px;
  }

  .footer-name {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
  }

  .footer-desc {
    margin: 16px 0 0;
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.75;
    max-width: 320px;
  }

  .footer-title {
    color: var(--text-3);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 18px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-links a {
    color: var(--text-2);
    font-size: 14px;
    transition: color .2s, padding-left .2s;
  }

  .footer-links a:hover {
    color: #fff;
    padding-left: 4px;
  }

  .about-note {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.8;
    background: rgba(255,255,255,.03);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px 16px;
  }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    color: #6e6580;
    font-size: 13px;
  }

  @media (max-width: 960px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 560px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  .bg-soft-card {
    background: rgba(255, 255, 255, .04);
  }

  .text-gradient {
    background: linear-gradient(120deg, #C4B5FD, #F0ABFC);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .ring-glow:focus {
    box-shadow: 0 0 0 4px rgba(245, 158, 11, .2);
  }

  .img-cover {
    background: linear-gradient(135deg, #241B33, #1D1728);
  }

/* roulang page: category2 */
:root {
            --bg: #0D0A14;
            --bg2: #151020;
            --card: #1D1728;
            --line: rgba(255, 255, 255, .08);
            --line-strong: rgba(255, 255, 255, .14);
            --brand-1: #8B5CF6;
            --brand-2: #A855F7;
            --brand-3: #D946EF;
            --amber: #FBBF24;
            --amber-2: #F59E0B;
            --mint: #2DD4BF;
            --text: #F7F5FC;
            --muted: #B7AEC7;
            --faint: #8D829E;
            --radius-lg: 28px;
            --radius: 20px;
            --radius-sm: 14px;
            --shadow: 0 16px 40px -18px rgba(0, 0, 0, .55);
            --shadow-hover: 0 28px 46px -20px rgba(0, 0, 0, .7);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            background-color: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input {
            font: inherit;
        }

        button {
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        h4,
        p {
            margin: 0;
        }

        strong {
            font-weight: 700;
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible,
        input:focus-visible {
            outline: 2px solid rgba(251, 191, 36, .85);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container-x {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .section-heading {
            max-width: 820px;
            margin-bottom: 42px;
        }

        .section-heading h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-top: 14px;
            margin-bottom: 14px;
        }

        .section-heading p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .045);
            border: 1px solid rgba(255, 255, 255, .09);
            color: #CCBBE8;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .02em;
        }

        .kicker i {
            color: var(--amber);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(13, 10, 20, .86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line);
        }

        .header-inner {
            min-height: 74px;
            display: flex;
            align-items: center;
            gap: 22px;
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 15px;
            background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 10px 24px -14px rgba(139, 92, 246, .9);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .desktop-search {
            flex: 1 1 auto;
            max-width: 600px;
            min-width: 220px;
        }

        .search-pill {
            display: flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .12);
            background: rgba(255, 255, 255, .05);
            padding: 5px 5px 5px 14px;
            transition: border-color .25s, background .25s, box-shadow .25s;
        }

        .search-pill:focus-within {
            border-color: rgba(251, 191, 36, .42);
            background: rgba(255, 255, 255, .085);
            box-shadow: 0 0 0 4px rgba(251, 191, 36, .13);
        }

        .search-icon {
            color: var(--faint);
            font-size: 14px;
        }

        .search-pill input {
            flex: 1;
            min-width: 0;
            border: 0;
            background: transparent;
            color: #fff;
            height: 38px;
            font-size: 15px;
            outline: none;
        }

        .search-pill input::placeholder {
            color: var(--faint);
            opacity: 1;
        }

        .search-submit {
            width: 38px;
            height: 38px;
            border: 0;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--amber), var(--amber-2));
            color: #1B1226;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .2s, filter .2s;
        }

        .search-submit:hover {
            filter: brightness(1.07);
            transform: translateY(-1px);
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 15px;
            border-radius: 999px;
            color: var(--muted);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: color .2s, background .2s;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .055);
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -4px;
            width: 5px;
            height: 5px;
            background: var(--amber);
            transform: translateX(-50%) rotate(45deg);
            border-radius: 1px;
        }

        .nav-link.nav-download {
            color: #FDE99A;
            border: 1px solid rgba(251, 191, 36, .18);
        }

        .nav-link.nav-download:hover {
            color: #fff;
            border-color: rgba(251, 191, 36, .4);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--line);
            color: #fff;
            font-size: 18px;
            margin-left: auto;
        }

        .mobile-panel {
            display: none;
        }

        .mobile-panel.open {
            display: block;
            border-top: 1px solid var(--line);
            background: rgba(13, 10, 20, .97);
            padding: 18px 20px 22px;
        }

        .mobile-search {
            margin-bottom: 16px;
        }

        .mobile-nav {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
        }

        .mobile-nav .nav-link {
            justify-content: center;
            background: rgba(255, 255, 255, .04);
        }

        .mobile-nav .nav-link.active {
            color: #fff;
            background: rgba(139, 92, 246, .16);
        }

        .cat-hero {
            position: relative;
            overflow: hidden;
            padding: 64px 0 88px;
            background:
                radial-gradient(900px circle at 14% 8%, rgba(139, 92, 246, .2), transparent 44%),
                radial-gradient(720px circle at 88% 16%, rgba(217, 70, 239, .1), transparent 42%),
                #100C18;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background:
                linear-gradient(135deg, rgba(21, 16, 32, .45), rgba(13, 10, 20, .4)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-color: #171020;
        }

        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 10, 20, .94) 0%, rgba(13, 10, 20, .74) 55%, rgba(13, 10, 20, .42) 100%);
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1.06fr) minmax(340px, .94fr);
            gap: 48px;
            align-items: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--faint);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .cat-hero h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.12;
            letter-spacing: -0.03em;
            color: #fff;
            margin: 18px 0 14px;
        }

        .hero-lead {
            max-width: 660px;
            color: #D6CFE2;
            font-size: 17px;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .btn-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-amber,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            border-radius: 999px;
            padding: 13px 22px;
            font-size: 15px;
            line-height: 1.1;
            transition: transform .2s, background .2s, color .2s, border-color .2s, box-shadow .2s;
        }

        .btn-amber {
            background: linear-gradient(135deg, var(--amber), var(--amber-2));
            color: #1B1226;
            box-shadow: 0 10px 24px -14px rgba(251, 191, 36, .9);
        }

        .btn-amber:hover {
            transform: translateY(-2px);
            filter: brightness(1.06);
            box-shadow: 0 14px 26px -14px rgba(251, 191, 36, 1);
        }

        .btn-amber:active {
            transform: translateY(0);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .14);
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .28);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .hero-visual {
            position: relative;
            min-height: 420px;
        }

        .hero-poster {
            position: absolute;
            inset: 0;
            overflow: hidden;
            border-radius: 28px;
            border: 1px solid rgba(255, 255, 255, .13);
            background: linear-gradient(145deg, #281D3A, #3C2347);
            box-shadow: var(--shadow);
        }

        .hero-poster img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .hero-poster img.is-missing {
            display: none;
        }

        .poster-grad {
            position: absolute;
            inset: 0;
            z-index: 2;
            background: linear-gradient(transparent 42%, rgba(13, 10, 20, .82));
        }

        .poster-caption {
            position: absolute;
            left: 20px;
            bottom: 20px;
            z-index: 3;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 999px;
            background: rgba(13, 10, 20, .48);
            border: 1px solid rgba(255, 255, 255, .13);
            backdrop-filter: blur(8px);
            color: #F4EFFF;
            font-size: 13px;
            font-weight: 600;
        }

        .data-badge {
            position: absolute;
            z-index: 5;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px 12px 14px;
            border-radius: 18px;
            background: rgba(23, 18, 32, .72);
            border: 1px solid rgba(255, 255, 255, .14);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: var(--shadow);
        }

        .data-badge strong {
            font-size: 30px;
            font-weight: 800;
            line-height: 1;
            letter-spacing: -0.04em;
            color: var(--amber);
            font-variant-numeric: tabular-nums;
        }

        .badge-label {
            color: #D9D3E6;
            font-size: 13px;
            line-height: 1.4;
        }

        .badge-a {
            right: 8px;
            top: -20px;
        }

        .badge-b {
            left: -8px;
            bottom: -20px;
        }

        .boards-section {
            background: linear-gradient(180deg, rgba(21, 16, 32, .5), transparent 30%);
        }

        .guide-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 28px;
            align-items: start;
        }

        .guide-sidebar {
            order: 2;
        }

        .toc-card {
            position: sticky;
            top: 94px;
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 22px;
            background: linear-gradient(165deg, rgba(139, 92, 246, .1), rgba(21, 16, 32, .98) 56%);
            box-shadow: var(--shadow);
        }

        .toc-header {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
        }

        .toc-header i {
            color: var(--amber);
        }

        .toc-list {
            margin-top: 18px;
            display: grid;
            gap: 6px;
        }

        .toc-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 14px;
            color: var(--muted);
            font-size: 14px;
            transition: background .2s, color .2s, transform .2s;
        }

        .toc-list a span {
            font-size: 12px;
            color: var(--faint);
            font-variant-numeric: tabular-nums;
        }

        .toc-list a:hover {
            background: rgba(255, 255, 255, .06);
            color: #fff;
            transform: translateX(2px);
        }

        .toc-note {
            margin-top: 18px;
            padding: 12px 14px;
            border-radius: 14px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .07);
            color: var(--faint);
            font-size: 13px;
            line-height: 1.7;
        }

        .toc-note i {
            color: var(--mint);
            margin-right: 6px;
        }

        .guide-board {
            min-width: 0;
            order: 1;
        }

        .board-intro {
            margin-bottom: 28px;
        }

        .board-intro h2 {
            font-size: 32px;
            line-height: 1.28;
            letter-spacing: -0.02em;
            margin-top: 16px;
            margin-bottom: 12px;
        }

        .board-intro p {
            color: var(--muted);
            font-size: 16px;
            max-width: 710px;
        }

        .info-card-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .resource-card {
            display: flex;
            flex-direction: column;
            background: #1D1728;
            border: 1px solid var(--line);
            border-radius: 22px;
            padding: 24px;
            box-shadow: var(--shadow);
            transition: transform .25s, border-color .25s, box-shadow .25s;
        }

        .resource-card:hover {
            transform: translateY(-5px);
            border-color: rgba(251, 191, 36, .2);
            box-shadow: var(--shadow-hover);
        }

        .resource-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .flow-icon {
            width: 50px;
            height: 50px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(139, 92, 246, .28), rgba(217, 70, 239, .14));
            border: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #F5ECFF;
            font-size: 18px;
        }

        .resource-index {
            color: var(--faint);
            font-size: 14px;
            font-weight: 800;
            letter-spacing: .04em;
        }

        .resource-card h3 {
            font-size: 21px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            margin-top: 18px;
            margin-bottom: 8px;
        }

        .resource-card p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .chip-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .055);
            border: 1px solid rgba(255, 255, 255, .08);
            color: #D4CBDD;
            font-size: 12px;
            line-height: 1.4;
        }

        .resource-foot {
            border-top: 1px solid rgba(255, 255, 255, .06);
            margin-top: 18px;
            padding-top: 14px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #FCD34D;
            font-size: 14px;
            font-weight: 600;
            transition: color .2s, gap .2s;
        }

        .text-link:hover {
            color: #fff;
            gap: 9px;
        }

        .process-section {
            background:
                radial-gradient(circle at 10% 20%, rgba(139, 92, 246, .08), transparent 32%),
                radial-gradient(circle at 90% 70%, rgba(217, 70, 239, .06), transparent 30%),
                transparent;
        }

        .progress-track {
            width: 100%;
            height: 8px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .07);
            overflow: hidden;
            margin-bottom: 24px;
        }

        .progress-fill {
            display: block;
            height: 100%;
            width: 62%;
            background: linear-gradient(90deg, var(--amber), var(--amber-2));
            border-radius: inherit;
        }

        .process-list {
            display: grid;
            gap: 16px;
        }

        .process-step {
            display: grid;
            grid-template-columns: 56px minmax(0, 1fr) auto;
            gap: 20px;
            align-items: center;
            padding: 20px 22px;
            border: 1px solid var(--line);
            border-radius: 22px;
            background: rgba(29, 23, 40, .82);
            transition: border-color .2s, background .2s;
        }

        .process-step:hover {
            background: rgba(32, 24, 44, .85);
            border-color: rgba(255, 255, 255, .14);
        }

        .process-node {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            border: 1px dashed rgba(255, 255, 255, .25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #B9A3D8;
            font-weight: 800;
            font-size: 18px;
        }

        .process-step.is-done .process-node {
            background: linear-gradient(135deg, var(--mint), #14B8A6);
            border-color: transparent;
            color: #061A18;
        }

        .process-step.is-current .process-node {
            border-color: var(--amber);
            color: var(--amber);
            box-shadow: 0 0 0 7px rgba(251, 191, 36, .08);
        }

        .step-copy h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .step-copy p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
            max-width: 670px;
        }

        .state-pill {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            line-height: 1.2;
        }

        .state-pill.done {
            background: rgba(45, 212, 191, .1);
            color: #5EEAD4;
            border: 1px solid rgba(45, 212, 191, .22);
        }

        .state-pill.current {
            background: rgba(251, 191, 36, .12);
            color: #FCD34D;
            border: 1px solid rgba(251, 191, 36, .24);
        }

        .state-pill.todo {
            background: rgba(255, 255, 255, .05);
            color: var(--faint);
            border: 1px solid rgba(255, 255, 255, .1);
        }

        .editorial-section {
            background: rgba(21, 16, 32, .42);
        }

        .editorial-card {
            display: grid;
            grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
            align-items: stretch;
            border: 1px solid var(--line);
            border-radius: 28px;
            overflow: hidden;
            background: #18121F;
            box-shadow: var(--shadow);
        }

        .editorial-media {
            position: relative;
            min-height: 330px;
            background: linear-gradient(145deg, #2B1E3B, #331E39);
        }

        .editorial-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .editorial-media img.is-missing {
            display: none;
        }

        .editorial-body {
            padding: 36px 38px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .editorial-body h2 {
            font-size: 30px;
            line-height: 1.28;
            letter-spacing: -0.02em;
            color: #fff;
            margin-top: 16px;
            margin-bottom: 14px;
        }

        .editorial-body p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
            max-width: 640px;
        }

        .check-list {
            display: grid;
            gap: 10px;
            margin-top: 20px;
            margin-bottom: 24px;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: #D8D1E4;
            font-size: 14px;
            line-height: 1.7;
        }

        .check-list i {
            color: var(--mint);
            margin-top: 5px;
        }

        .editorial-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }

        .faq-section {
            background: transparent;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-list {
            display: grid;
            gap: 10px;
            margin-top: 32px;
        }

        .faq-item {
            border: 1px solid var(--line);
            background: rgba(29, 23, 40, .72);
            border-radius: 18px;
            padding: 18px 22px;
            transition: border-color .2s, background .2s;
        }

        .faq-item[open] {
            border-color: rgba(251, 191, 36, .22);
            background: rgba(29, 23, 40, .92);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            cursor: pointer;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            list-style: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::marker {
            content: "";
        }

        .faq-more {
            color: var(--amber);
            transition: transform .2s;
        }

        .faq-item[open] .faq-more {
            transform: rotate(45deg);
        }

        .faq-item p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.85;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, .06);
            margin-top: 12px;
        }

        .cta-section {
            padding-top: 20px;
        }

        .cta-ribbon {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            padding: 38px 42px;
            border-radius: 28px;
            background: linear-gradient(135deg, var(--brand-1), var(--brand-2) 52%, var(--brand-3));
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 44px -22px rgba(139, 92, 246, .6);
        }

        .cta-ribbon::before {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            right: -80px;
            top: -80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
        }

        .cta-ribbon::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            left: -40px;
            bottom: -90px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .12);
        }

        .cta-ribbon > * {
            position: relative;
            z-index: 2;
        }

        .cta-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .08em;
            color: rgba(255, 255, 255, .78);
            margin-bottom: 6px;
        }

        .cta-ribbon h2 {
            color: #fff;
            font-size: 26px;
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .cta-ribbon p {
            color: rgba(255, 255, 255, .8);
            font-size: 14px;
            margin-top: 8px;
            max-width: 680px;
        }

        .pagination-box {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin: 72px auto 0;
        }

        .page-hint {
            color: var(--faint);
            font-size: 13px;
            margin-right: 6px;
        }

        .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 12px;
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 14px;
            color: var(--muted);
            font-weight: 700;
            font-size: 14px;
            background: rgba(255, 255, 255, .04);
            transition: border-color .2s, color .2s, background .2s;
        }

        .page-link.is-current {
            background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
            border-color: transparent;
            color: #fff;
        }

        .page-link:hover {
            border-color: rgba(251, 191, 36, .3);
            color: #fff;
        }

        .site-footer {
            margin-top: 72px;
            border-top: 1px solid var(--line);
            background: #0B0812;
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr 1fr 1fr 1.2fr;
            gap: 34px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, .07);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-name {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-desc {
            max-width: 360px;
            color: var(--faint);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
        }

        .footer-title {
            color: #A99FBB;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .1em;
            margin-bottom: 14px;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: var(--faint);
            font-size: 14px;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .about-note {
            color: var(--faint);
            font-size: 14px;
            line-height: 1.8;
            border-left: 2px solid rgba(251, 191, 36, .45);
            padding-left: 12px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            padding-top: 24px;
            color: var(--faint);
            font-size: 13px;
        }

        @media (max-width: 1100px) {
            .site-nav .nav-link {
                padding-right: 11px;
                padding-left: 11px;
                font-size: 13px;
            }

            .guide-layout {
                grid-template-columns: minmax(0, 1fr) 290px;
            }

            .info-card-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 991px) {
            .desktop-search {
                display: none;
            }

            .site-nav {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .cat-hero-inner {
                grid-template-columns: 1fr;
                gap: 52px;
            }

            .hero-visual {
                min-height: 420px;
                max-width: 680px;
            }

            .guide-layout {
                grid-template-columns: 1fr;
            }

            .guide-sidebar {
                order: 1;
            }

            .guide-board {
                order: 2;
            }

            .toc-card {
                position: static;
            }

            .toc-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .process-step {
                grid-template-columns: 52px minmax(0, 1fr);
            }

            .state-pill {
                grid-column: 2;
                justify-self: start;
            }

            .cta-ribbon {
                align-items: flex-start;
                flex-direction: column;
                padding: 32px 28px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .section-heading h2,
            .board-intro h2 {
                font-size: 27px;
            }

            .cat-hero {
                padding-top: 40px;
                padding-bottom: 56px;
            }

            .cat-hero h1 {
                font-size: 38px;
            }

            .hero-lead {
                font-size: 16px;
            }

            .hero-visual {
                min-height: 330px;
            }

            .editorial-card {
                grid-template-columns: 1fr;
            }

            .editorial-media {
                min-height: 240px;
            }

            .editorial-body {
                padding: 26px 22px;
            }

            .editorial-body h2 {
                font-size: 25px;
            }

            .toc-list {
                grid-template-columns: 1fr;
            }

            .cta-ribbon h2 {
                font-size: 23px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container-x {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                gap: 10px;
                min-height: 66px;
            }

            .brand-name {
                font-size: 17px;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                border-radius: 12px;
            }

            .cat-hero h1 {
                font-size: 34px;
            }

            .btn-row .btn-amber,
            .btn-row .btn-ghost {
                width: 100%;
            }

            .hero-visual {
                min-height: 280px;
            }

            .badge-a {
                right: 4px;
                top: -14px;
            }

            .badge-b {
                left: 0;
                bottom: -12px;
            }

            .process-step {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 18px;
            }

            .process-node {
                width: 46px;
                height: 46px;
            }

            .state-pill {
                grid-column: auto;
            }

            .pagination-box {
                flex-wrap: wrap;
            }
        }