/* roulang page: index */
:root {
  --bg-base: #0A0E13;
  --bg-surface: #12181F;
  --bg-elevated: #1A222C;
  --line-color: rgba(201,169,110,.20);
  --line-strong: rgba(201,169,110,.55);
  --gold-300: #D8C39A;
  --gold-500: #C9A96E;
  --gold-700: #7A6234;
  --text-high: #F2EEE6;
  --text-body: #B8B2A7;
  --text-mute: #6E6A61;
  --success: #2ECC71;
  --danger: #E74C3C;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --shadow-lg: 0 20px 40px rgba(0,0,0,.35);
}
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}
body {
  background: var(--bg-base);
  color: var(--text-body);
  font-family: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3,h4 {
  font-family: "Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color: var(--text-high);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .01em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { cursor: pointer; font: inherit; color: inherit; background: none; border: none; }
input { font: inherit; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 48px;
  padding-right: 48px;
}
.section-pad { padding: 100px 0; }
.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--gold-500);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head { margin-bottom: 52px; }
.section-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 500;
  position: relative;
  padding-bottom: 18px;
  margin-bottom: 12px;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 36px;
  height: 2px;
  background: var(--gold-500, #C9A96E);
  background: linear-gradient(90deg, rgba(201,169,110,.9), rgba(201,169,110,.1));
  margin-top: 16px;
  border-radius: 2px;
}
.section-desc {
  color: var(--text-mute);
  font-size: .95rem;
  max-width: 620px;
}
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--gold-500);
  background: rgba(201,169,110,.10);
  border: 1px solid rgba(201,169,110,.22);
  padding: 4px 12px;
  border-radius: 4px;
  white-space: nowrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #C9A96E 0%, #A8874A 100%);
  color: #171207;
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 13px 32px;
  transition: filter .2s ease, transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 4px 18px rgba(201,169,110,.18);
  letter-spacing: .04em;
  white-space: nowrap;
}
.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(201,169,110,.25);
}
.btn-primary:active { transform: translateY(1px); }
.btn-primary:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--gold-500);
  font-size: .95rem;
  font-weight: 500;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 13px 32px;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: rgba(201,169,110,.10);
  border-color: var(--gold-500);
  transform: translateY(-1px);
}
.btn-secondary:active { transform: translateY(1px); }
.btn-secondary:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold-500);
  font-size: .92rem;
  font-weight: 500;
  transition: gap .25s ease;
}
.btn-text:hover { color: var(--gold-300); gap: 10px; }
.pulse-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46,204,113,.55); }
  70% { box-shadow: 0 0 0 8px rgba(46,204,113,0); }
  100% { box-shadow: 0 0 0 0 rgba(46,204,113,0); }
}
/* Header & Nav */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.site-header.scrolled {
  background: rgba(10,14,19,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-color);
  box-shadow: 0 6px 30px rgba(0,0,0,.30);
}
.nav-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
  height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
  position: relative;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #C9A96E, #7A6234);
  color: #171207;
  font-family: "Noto Serif SC",serif;
  font-weight: 700;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(201,169,110,.30);
}
.logo-text {
  font-family: "Noto Serif SC","Songti SC",serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-high);
  letter-spacing: .03em;
  white-space: nowrap;
}
.logo-sub {
  display: block;
  font-family: "Noto Sans SC",sans-serif;
  font-size: .56rem;
  font-weight: 400;
  color: var(--text-mute);
  letter-spacing: .12em;
  margin-top: 1px;
}
.nav-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: .75rem;
  color: var(--text-body);
  letter-spacing: .05em;
  margin-left: auto;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}
.nav-links a {
  display: block;
  padding: 8px 16px;
  font-size: .92rem;
  color: var(--text-body);
  border-radius: 6px;
  transition: color .2s ease, background .2s ease;
  position: relative;
  white-space: nowrap;
}
.nav-links a:hover {
  color: var(--gold-300);
  background: rgba(201,169,110,.06);
}
.nav-links a.active {
  color: var(--gold-500);
  font-weight: 500;
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--gold-500);
  border-radius: 2px;
}
.nav-cta {
  font-size: .82rem;
  padding: 10px 22px;
  flex-shrink: 0;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-color);
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-high);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10,14,19,.97);
  padding-top: 96px;
  padding-left: 40px;
  padding-right: 40px;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
  overflow-y: auto;
}
.mobile-drawer.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-drawer a.drawer-link {
  display: block;
  padding: 16px 4px;
  font-family: "Noto Serif SC",serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-high);
  border-bottom: 1px solid var(--line-color);
}
.mobile-drawer a.drawer-link:hover { color: var(--gold-500); }
.mobile-drawer .drawer-cta {
  margin-top: 28px;
  text-align: center;
}
/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  transform: scale(1.03);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(10,14,19,.92) 0%, rgba(10,14,19,.72) 42%, rgba(10,14,19,.42) 78%, rgba(10,14,19,.3) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: 180px;
  max-width: 720px;
  margin-left: 0;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--gold-300);
  text-transform: uppercase;
  margin-bottom: 22px;
  border: 1px solid var(--line-strong);
  background: rgba(10,14,19,.4);
  padding: 7px 18px;
  border-radius: var(--radius-pill);
}
.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--text-high);
  margin-bottom: 18px;
  position: relative;
}
.hero-content h1 .gold-text {
  color: var(--gold-500);
}
.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--text-body);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 38px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.hero-badge {
  position: absolute;
  right: 48px;
  bottom: 42px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  color: var(--text-body);
  background: rgba(18,24,31,.65);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--text-mute);
  font-size: .75rem;
  letter-spacing: .2em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.hero-scroll i {
  font-size: 1rem;
  animation: floatDown 2s ease infinite;
}
@keyframes floatDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
/* Directory / TOC */
.toc-section {
  position: relative;
  z-index: 5;
  padding: 0;
  margin-top: -84px;
}
.toc-card {
  background: var(--bg-surface);
  border: 1px solid var(--line-color);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 42px 48px;
  position: relative;
}
.toc-card::before {
  content: "";
  position: absolute;
  top: 0; left: 48px; right: 48px;
  height: 1px;
  background: linear-gradient(90deg, rgba(201,169,110,.3), rgba(201,169,110,0));
}
.toc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.toc-item {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 12px 24px;
  border-right: 1px solid var(--line-color);
  transition: background .25s ease, transform .25s ease;
  position: relative;
}
.toc-item:last-child { border-right: none; }
.toc-item:hover {
  background: var(--bg-elevated);
  transform: translateY(-2px);
}
.toc-num {
  font-family: "Noto Serif SC",serif;
  font-size: 2.2rem;
  font-weight: 600;
  color: rgba(201,169,110,.25);
  line-height: 1;
  flex-shrink: 0;
  transition: color .3s ease;
}
.toc-item:hover .toc-num { color: var(--gold-500); }
.toc-info { flex: 1; }
.toc-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 3px;
}
.toc-info p {
  font-size: .82rem;
  color: var(--text-mute);
  margin: 0;
  line-height: 1.5;
}
.toc-arrow {
  color: var(--gold-500);
  font-size: 1.1rem;
  transition: transform .25s ease;
  flex-shrink: 0;
}
.toc-item:hover .toc-arrow { transform: translateX(4px); }
/* Featured Cards */
.featured-section { background: var(--bg-base); }
.featured-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 36px;
  align-items: stretch;
}
.featured-main {
  background: var(--bg-surface);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .4s ease, border-color .4s ease, transform .4s ease;
  position: relative;
  box-shadow: var(--shadow);
}
.featured-main:hover {
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(201,169,110,.25);
  border-color: var(--line-strong);
  transform: translateY(-4px);
}
.featured-image {
  height: 300px;
  overflow: hidden;
  position: relative;
}
.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.featured-main:hover .featured-image img { transform: scale(1.04); }
.featured-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,14,19,.55), transparent 50%);
}
.featured-body {
  padding: 32px 36px 36px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.featured-body .badge { align-self: flex-start; margin-bottom: 14px; }
.featured-body h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 10px;
}
.featured-body p {
  font-size: .95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.featured-body .btn-text { align-self: flex-start; }
.featured-sub {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sub-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  padding: 18px;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease, transform .3s ease;
  flex: 1;
}
.sub-card:hover {
  background: var(--bg-elevated);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.sub-thumb {
  width: 115px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.sub-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.sub-card:hover .sub-thumb img { transform: scale(1.05); }
.sub-info { flex: 1; min-width: 0; }
.sub-info .badge { margin-bottom: 8px; }
.sub-info h3 {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sub-meta {
  font-size: .78rem;
  color: var(--text-mute);
}
/* Alternating Feature Rows */
.features-section {
  background: linear-gradient(to bottom, var(--bg-base), var(--bg-surface), var(--bg-base));
}
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 68px;
  align-items: center;
  margin-bottom: 96px;
}
.feature-row:last-child { margin-bottom: 0; }
.feature-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-color);
  box-shadow: var(--shadow);
}
.feature-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform .5s ease;
}
.feature-media:hover img { transform: scale(1.03); }
.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(201,169,110,.15);
  border-radius: var(--radius);
  pointer-events: none;
}
.feature-num {
  position: absolute;
  top: -18px;
  left: 28px;
  background: var(--bg-base);
  border: 1px solid var(--line-strong);
  color: var(--gold-500);
  font-family: "Noto Serif SC",serif;
  font-size: 1.5rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  z-index: 2;
}
.feature-body .eyebrow { margin-bottom: 8px; }
.feature-body h3 {
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 14px;
}
.feature-body p {
  font-size: .96rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 22px;
}
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.feature-tags span {
  font-size: .78rem;
  color: var(--text-body);
  border: 1px solid var(--line-color);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: rgba(18,24,31,.6);
}
.feature-row.reverse .feature-media { order: 2; }
.feature-row.reverse .feature-body { order: 1; }
/* CMS Updates Section */
.updates-section {
  background: var(--bg-base);
  position: relative;
}
.updates-section::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-color), transparent);
}
.cms-list {
  display: flex;
  flex-direction: column;
}
.cms-list-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 30px 12px;
  border-bottom: 1px solid var(--line-color);
  transition: background .3s ease, padding-left .35s ease;
  position: relative;
}
.cms-list-item:first-child { border-top: 1px solid var(--line-color); }
.cms-list-item:hover {
  background: var(--bg-surface);
  padding-left: 28px;
}
.cms-list-item:hover::before {
  content: "";
  position: absolute;
  left: 0; top: 16px; bottom: 16px;
  width: 3px;
  background: var(--gold-500);
  border-radius: 3px;
}
.cms-row-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 4px;
}
.cms-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--gold-500);
  background: rgba(201,169,110,.1);
  border: 1px solid rgba(201,169,110,.2);
  padding: 3px 12px;
  border-radius: 4px;
}
.cms-time {
  font-size: .78rem;
  color: var(--text-mute);
  letter-spacing: .02em;
  font-family: "Noto Sans SC", sans-serif;
}
.cms-title {
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text-high);
  line-height: 1.4;
  transition: color .2s ease;
}
.cms-list-item:hover .cms-title { color: var(--gold-300); }
.cms-excerpt {
  font-size: .88rem;
  color: var(--text-mute);
  line-height: 1.6;
  max-width: 90%;
}
.cms-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .82rem;
  color: var(--gold-500);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .3s ease, transform .3s ease;
}
.cms-list-item:hover .cms-link {
  opacity: 1;
  transform: translateX(0);
}
.cms-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line-color);
  border-radius: 16px;
  padding: 60px 24px;
  color: var(--text-mute);
  font-size: .95rem;
  text-align: center;
  background: var(--bg-surface);
}
/* Recommended Wall */
.recommend-section {
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
}
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.recommend-card {
  background: var(--bg-surface);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
  display: flex;
  flex-direction: column;
}
.recommend-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(201,169,110,.25);
  border-color: var(--line-strong);
}
.recommend-thumb {
  height: 172px;
  overflow: hidden;
  position: relative;
}
.recommend-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.recommend-card:hover .recommend-thumb img { transform: scale(1.05); }
.recommend-body {
  padding: 24px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.recommend-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.recommend-tag {
  font-size: .72rem;
  color: var(--gold-500);
  background: rgba(201,169,110,.08);
  border: 1px solid rgba(201,169,110,.18);
  padding: 2px 10px;
  border-radius: 4px;
}
.recommend-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 8px;
  line-height: 1.4;
}
.recommend-body p {
  font-size: .86rem;
  color: var(--text-mute);
  line-height: 1.6;
  flex: 1;
}
.recommend-footer {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(201,169,110,.10);
  padding-top: 14px;
}
.recommend-footer .time { font-size: .76rem; color: var(--text-mute); }
.recommend-footer .btn-text { font-size: .84rem; }
.recommend-more {
  text-align: center;
  margin-top: 52px;
}
/* FAQ */
.faq-section { background: var(--bg-base); }
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--line-color);
}
.faq-item:first-child { border-top: 1px solid var(--line-color); }
.faq-q {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 26px 4px;
  text-align: left;
  transition: padding-left .3s ease;
}
.faq-q:hover { padding-left: 12px; }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-500);
  font-size: .85rem;
  flex-shrink: 0;
  transition: transform .35s ease, background .3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(201,169,110,.15);
}
.faq-q-text {
  font-family: "Noto Serif SC",serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-high);
  flex: 1;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-a-inner {
  padding: 0 4px 26px 44px;
  color: var(--text-body);
  font-size: .93rem;
  line-height: 1.8;
}
/* CTA Section */
.cta-section {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
  border-top: 1px solid var(--line-color);
}
.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,14,19,.94) 0%, rgba(10,14,19,.82) 100%);
  z-index: 1;
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-content .eyebrow { margin-bottom: 16px; }
.cta-content h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 18px;
}
.cta-content p {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 36px;
  line-height: 1.75;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.cta-share-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
}
.share-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-body);
  transition: all .3s ease;
  background: rgba(18,24,31,.5);
}
.share-icon:hover {
  color: var(--gold-500);
  border-color: var(--gold-500);
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 6px 20px rgba(0,0,0,.3);
}
/* Footer */
.site-footer {
  background: #080B10;
  border-top: 1px solid var(--line-strong);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand .logo-text {
  font-size: 1.2rem;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-brand p {
  font-size: .84rem;
  color: var(--text-mute);
  line-height: 1.7;
  max-width: 280px;
  margin-top: 14px;
}
.footer-h {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 18px;
  font-family: "Noto Serif SC",serif;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: .86rem;
  color: var(--text-body);
  transition: color .2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover { color: var(--gold-500); }
.footer-links a i { font-size: .7rem; color: var(--gold-700); }
.footer-bottom {
  border-top: 1px solid var(--line-color);
  padding: 26px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: .78rem;
  color: var(--text-mute);
}
.footer-bottom .beian { color: var(--text-mute); }
/* Title Bar / SEO */
.title-bar {
  padding-top: 154px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line-color);
  background: linear-gradient(180deg, rgba(18,24,31,.5), transparent);
}
.title-bar .breadcrumb {
  font-size: .82rem;
  color: var(--text-mute);
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.title-bar .breadcrumb a { color: var(--text-mute); }
.title-bar .breadcrumb a:hover { color: var(--gold-500); }
.title-bar .breadcrumb .current { color: var(--gold-500); }
.title-bar .breadcrumb .sep { color: var(--line-strong); }
.title-bar h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 600;
  color: var(--text-high);
  line-height: 1.25;
  margin-top: 8px;
}
/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
/* Responsive */
@media (max-width: 1024px) {
  .container { padding-left: 32px; padding-right: 32px; }
  .nav-bar { padding: 0 32px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-drawer { display: flex; }
  .nav-cta { display: none; }
  .nav-status { margin-left: auto; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-image { height: 260px; }
  .recommend-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .toc-card { padding: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .container { padding-left: 24px; padding-right: 24px; }
  .nav-bar { padding: 0 24px; height: 70px; }
  .hero-content { padding-top: 110px; padding-bottom: 150px; }
  .hero-content h1 { font-size: clamp(2rem, 5.5vw, 2.6rem); }
  .hero-badge { right: 24px; bottom: 24px; font-size: .74rem; padding: 8px 14px; }
  .section-pad { padding: 72px 0; }
  .toc-grid { grid-template-columns: 1fr; }
  .toc-item {
    border-right: none;
    border-bottom: 1px solid var(--line-color);
  }
  .toc-item:last-child { border-bottom: none; }
  .featured-body { padding: 28px 24px 30px; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row.reverse .feature-media { order: 1; }
  .feature-row.reverse .feature-body { order: 2; }
  .feature-media img { height: 260px; }
  .recommend-grid { grid-template-columns: 1fr; }
  .recommend-thumb { height: 200px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-section { padding: 80px 0; }
  .hero-scroll { display: none; }
}
@media (max-width: 520px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .nav-bar { padding: 0 20px; gap: 14px; }
  .nav-status { display: none; }
  .logo-text { font-size: 1rem; }
  .logo-mark { width: 32px; height: 32px; font-size: 17px; }
  .section-head h2 { font-size: 1.4rem; }
  .hero-content h1 { font-size: 1.9rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; }
  .featured-image { height: 200px; }
  .featured-body h3 { font-size: 1.15rem; }
  .sub-card { flex-direction: column; text-align: center; }
  .sub-thumb { width: 100%; height: 120px; }
  .sub-card .badge { align-self: center; }
  .feature-media img { height: 200px; }
  .cms-list-item:hover { padding-left: 12px; }
  .cms-excerpt { max-width: 100%; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
  .cta-buttons .btn-primary,
  .cta-buttons .btn-secondary { width: 100%; }
  .cta-share-row { flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .mobile-drawer { padding-left: 24px; padding-right: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0s !important;
    transition-duration: .1s !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* roulang page: article */
:root {
  --bg-base: #0A0E13;
  --bg-surface: #12181F;
  --bg-elevated: #1A222C;
  --line-color: rgba(201,169,110,.20);
  --line-strong: rgba(201,169,110,.55);
  --gold-300: #D8C39A;
  --gold-500: #C9A96E;
  --gold-700: #7A6234;
  --text-high: #F2EEE6;
  --text-body: #B8B2A7;
  --text-mute: #6E6A61;
  --success: #2ECC71;
  --danger: #E74C3C;
  --font-head: "Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color .2s ease, border-color .2s ease, background .2s ease; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-family: var(--font-head); color: var(--text-high); line-height: 1.25; font-weight: 600; }
input, textarea { font-family: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) {
  .container { padding: 0 20px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
}

/* 按钮 */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, #C9A96E 0%, #A8874A 100%);
  color: #0A0E13; font-weight: 600; font-size: .92rem;
  padding: 12px 24px; border-radius: 999px;
  transition: background .25s ease, transform .15s ease, box-shadow .25s ease;
  min-width: 120px;
  box-shadow: 0 6px 18px rgba(201,169,110,.12);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 10px 28px rgba(201,169,110,.28); transform: translateY(-1px); color: #0A0E13; }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; border: 1px solid var(--line-strong);
  color: var(--gold-300); font-weight: 500; font-size: .92rem;
  padding: 11px 24px; border-radius: 999px;
  transition: background .2s ease, border-color .2s ease, transform .15s ease;
  min-width: 120px;
}
.btn-secondary:hover { background: rgba(201,169,110,.12); border-color: var(--gold-500); color: var(--gold-300); transform: translateY(-1px); }
.btn-secondary:active { transform: translateY(1px); }

/* 面包屑 */
.breadcrumb {
  font-size: .85rem; color: var(--text-mute);
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--text-body); transition: color .2s; }
.breadcrumb a:hover { color: var(--gold-500); }
.breadcrumb span.sep { color: var(--line-strong); }
.breadcrumb span.current { color: var(--gold-500); max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 导航 */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10,14,19,.92);
  border-bottom-color: var(--line-color);
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.nav-bar {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 72px; display: flex; align-items: center; gap: 22px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 34px; height: 34px; background: linear-gradient(135deg, var(--gold-500), var(--gold-700));
  border-radius: 9px; display: inline-flex; align-items: center; justify-content: center;
  color: #0A0E13; font-size: 17px; font-weight: 700; font-family: var(--font-head);
}
.logo-text {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 1.06rem; font-weight: 600; color: var(--text-high);
  letter-spacing: .01em; font-family: var(--font-head);
}
.nav-status {
  display: inline-flex; align-items: center; gap: 7px;
  height: 30px; padding: 0 14px; border-radius: 999px;
  background: var(--bg-surface); border: 1px solid var(--line-color);
  font-size: .75rem; color: var(--text-body); letter-spacing: .04em;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--success);
  position: relative; flex-shrink: 0;
}
.pulse-dot::after {
  content: ''; position: absolute; inset: -3px; border-radius: 50%;
  border: 1px solid rgba(46,204,113,.6); animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(.6); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}
.nav-links { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav-links a {
  font-size: .9rem; font-weight: 500; color: var(--text-body);
  position: relative; padding: 8px 2px; transition: color .2s;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--gold-500); transition: right .25s ease;
}
.nav-links a:hover { color: var(--gold-300); }
.nav-links a:hover::after { right: 0; }
.nav-links a.active { color: var(--gold-500); }
.nav-links a.active::after { right: 0; }
.nav-cta { margin-left: 18px; padding: 10px 22px; min-width: 0; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  margin-left: auto; padding: 8px; border-radius: 8px;
}
.hamburger span { width: 22px; height: 2px; background: var(--text-high); border-radius: 2px; transition: transform .3s, opacity .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 999;
  background: rgba(10,14,19,.98);
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 90px 32px 32px; gap: 8px;
  transform: translateX(100%); transition: transform .35s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-close {
  position: absolute; top: 20px; right: 24px;
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line-color); color: var(--text-high);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
  transition: border-color .2s, color .2s;
}
.drawer-close:hover { border-color: var(--gold-500); color: var(--gold-500); }
.drawer-link {
  display: block; width: 100%;
  color: var(--text-high); font-size: 1.08rem; font-weight: 500;
  padding: 16px 4px; border-bottom: 1px solid var(--line-color);
  transition: color .2s, padding-left .3s;
}
.drawer-link:hover { color: var(--gold-500); padding-left: 8px; }
.drawer-cta { margin-top: 28px; width: 100%; }

/* 文章 Hero */
.article-hero {
  position: relative; min-height: 380px;
  background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  display: flex; align-items: flex-end;
}
.article-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,14,19,.55) 0%, rgba(10,14,19,.7) 50%, var(--bg-base) 100%);
}
.article-hero .container { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 68px; }
.article-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; letter-spacing: .14em; color: var(--gold-500);
  text-transform: uppercase; margin-bottom: 14px;
  border: 1px solid rgba(201,169,110,.35); background: rgba(10,14,19,.5);
  padding: 4px 12px; border-radius: 999px;
}
.article-hero h1 {
  font-size: clamp(1.8rem, 4.2vw, 3.1rem);
  line-height: 1.2; letter-spacing: .01em;
  max-width: 900px; font-weight: 600;
  margin-bottom: 18px;
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
  font-size: .85rem; color: var(--text-mute);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--gold-500); }

/* 正文 */
.article-section { padding: 16px 0 72px; }
.article-content {
  max-width: 760px; margin: 0 auto; padding: 0 24px;
  font-size: 1.05rem; color: var(--text-body); line-height: 1.9;
}
.article-content p { margin-bottom: 1.5em; }
.article-content > p:first-of-type {
  font-size: 1.14rem; color: var(--text-high); line-height: 1.85;
  font-weight: 500;
}
.article-content h2 {
  font-size: 1.6rem; font-weight: 600; color: var(--text-high);
  margin: 2em 0 .9em; padding-bottom: .4em;
  border-bottom: 2px solid var(--line-color);
  position: relative;
}
.article-content h2::before {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 44px; height: 2px; background: var(--gold-500);
}
.article-content h3 {
  font-size: 1.22rem; font-weight: 600; color: var(--text-high);
  margin: 1.8em 0 .7em;
}
.article-content h4 {
  font-size: 1.05rem; font-weight: 600; color: var(--text-high);
  margin: 1.4em 0 .5em;
}
.article-content ul, .article-content ol {
  margin-bottom: 1.6em; padding-left: 1.4em;
}
.article-content ul li { list-style: disc; margin-bottom: .4em; }
.article-content ol li { list-style: decimal; margin-bottom: .4em; }
.article-content blockquote {
  border-left: 4px solid var(--gold-500);
  background: var(--bg-surface);
  padding: 18px 24px; margin: 1.8em 0; border-radius: 0 12px 12px 0;
  color: var(--gold-300); font-style: normal;
}
.article-content img {
  border-radius: 12px; border: 1px solid var(--line-color);
  margin: 2em auto; box-shadow: 0 12px 32px rgba(0,0,0,.3);
}
.article-content a {
  color: var(--gold-500); border-bottom: 1px solid transparent;
}
.article-content a:hover { border-bottom-color: var(--gold-500); }
.article-content pre {
  background: var(--bg-surface); border: 1px solid var(--line-color);
  border-left: 4px solid var(--gold-500); border-radius: 12px;
  padding: 20px; overflow-x: auto; margin: 1.6em 0;
  font-family: "SFMono-Regular", Consolas, monospace; font-size: .88rem; color: var(--text-body);
}
.article-content code { background: rgba(201,169,110,.12); color: var(--gold-300); padding: 2px 7px; border-radius: 6px; font-size: .9em; }
.article-content pre code { background: transparent; padding: 0; color: inherit; }

/* 内容未找到 */
.not-found {
  max-width: 640px; margin: 40px auto; text-align: center;
  background: var(--bg-surface); border: 1px dashed var(--line-strong);
  border-radius: 20px; padding: 72px 32px;
}
.not-found h2 { font-size: 1.8rem; margin-bottom: 14px; }
.not-found p { color: var(--text-mute); margin-bottom: 28px; }

/* 相关推荐 */
.related-section { border-top: 1px solid var(--line-color); background: rgba(18,24,31,.4); }
.section-header { text-align: center; margin-bottom: 48px; }
.eyebrow {
  display: inline-block; font-size: .78rem; letter-spacing: .16em;
  color: var(--gold-500); text-transform: uppercase; margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem); font-weight: 500;
  position: relative; display: inline-block; padding-bottom: 16px;
}
.section-header h2::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 36px; height: 3px; background: var(--gold-500); border-radius: 2px;
}
.section-header p { color: var(--text-mute); font-size: .95rem; margin-top: 14px; }
.related-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.related-item {
  display: flex; align-items: center; gap: 20px;
  background: var(--bg-surface); border: 1px solid var(--line-color);
  border-radius: 16px; padding: 16px;
  transition: background .3s, border-color .3s, box-shadow .3s, transform .3s;
}
.related-item:hover {
  background: var(--bg-elevated); border-color: var(--line-strong);
  box-shadow: 0 16px 38px rgba(0,0,0,.35), 0 0 0 1px rgba(201,169,110,.18);
  transform: translateY(-3px);
}
.related-item .thumb { width: 160px; height: 100px; flex-shrink: 0; border-radius: 12px; overflow: hidden; background: var(--bg-elevated); }
.related-item .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.related-item:hover .thumb img { transform: scale(1.04); }
.related-item .info { flex: 1; min-width: 0; }
.related-item .info .tag {
  display: inline-block; background: rgba(201,169,110,.1); color: var(--gold-500);
  font-size: .72rem; letter-spacing: .08em; padding: 3px 10px; border-radius: 4px;
  margin-bottom: 8px;
}
.related-item .info h3 { font-size: 1.12rem; margin-bottom: 6px; }
.related-item .info p { font-size: .88rem; color: var(--text-mute); overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.related-item .info .time { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; color: var(--text-mute); margin-top: 10px; }
.related-item .info .time i { color: var(--gold-700); }
.related-item .arrow { margin-left: 8px; flex-shrink: 0; color: var(--gold-500); font-size: 1.1rem; transition: transform .2s; }
.related-item:hover .arrow { transform: translateX(4px); }
.related-footer { text-align: center; margin-top: 44px; }

/* FAQ */
.faq-section { border-top: 1px solid var(--line-color); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line-color); transition: background .3s; }
.faq-question {
  display: flex; align-items: center; gap: 16px;
  padding: 22px 12px; cursor: pointer; width: 100%; text-align: left;
  background: none; border: none;
}
.faq-question:hover .faq-q-title { color: var(--gold-300); }
.faq-icon {
  width: 30px; height: 30px; flex-shrink: 0;
  border: 1px solid var(--line-strong); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-500); font-size: 1rem; font-weight: 600;
  transition: transform .35s, background .3s, border-color .3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(201,169,110,.14); border-color: var(--gold-500); }
.faq-q-title { font-size: 1rem; font-weight: 500; color: var(--text-high); font-family: var(--font-body); transition: color .2s; }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.4,0,.2,1);
}
.faq-item.open .faq-answer { max-height: 640px; }
.faq-answer-inner {
  padding: 0 20px 22px 58px; color: var(--text-body); font-size: .92rem; line-height: 1.8;
}
.faq-answer-inner a { color: var(--gold-500); }

/* CTA */
.cta-section {
  background:
    repeating-linear-gradient(135deg, rgba(201,169,110,.04) 0, rgba(201,169,110,.04) 1px, transparent 1px, transparent 12px),
    var(--bg-base);
  border-top: 1px solid var(--line-color);
  text-align: center;
  padding: 90px 0;
}
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 12px; }
.cta-inner p { color: var(--text-mute); font-size: .95rem; margin-bottom: 34px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.share-row { display: flex; justify-content: center; gap: 14px; margin-top: 26px; }
.share-circle {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-color); background: var(--bg-surface);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-body); font-size: 1.05rem;
  transition: all .3s;
}
.share-circle:hover { border-color: var(--gold-500); color: var(--gold-500); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,.3); }

/* 页脚 */
.site-footer {
  background: #080B10; border-top: 1px solid var(--line-strong);
  padding: 64px 0 28px; color: var(--text-mute); font-size: .9rem;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 44px; border-bottom: 1px solid rgba(201,169,110,.12);
}
.footer-brand .logo-text { font-size: 1.1rem; margin-bottom: 14px; }
.footer-brand p { margin-top: 14px; line-height: 1.8; max-width: 300px; }
.footer-h { font-size: .95rem; font-weight: 600; margin-bottom: 18px; color: var(--text-high); }
.footer-links li { margin-bottom: 12px; }
.footer-links a { display: inline-flex; align-items: center; gap: 10px; color: var(--text-mute); transition: color .2s, padding-left .2s; }
.footer-links a:hover { color: var(--gold-500); padding-left: 5px; }
.footer-links i { width: 20px; text-align: center; color: var(--gold-700); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  padding-top: 28px; font-size: .82rem;
}
.footer-bottom .beian { color: var(--text-mute); }

/* fade-up */
.fade-up { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .fade-up { opacity: 1; transform: none; }
}

/* 响应式 */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta, .nav-status { display: none; }
  .hamburger { display: flex; }
  .nav-bar { gap: 12px; }
  .nav-logo .logo-text { font-size: .98rem; }
  .article-hero { min-height: 340px; }
  .article-hero .container { padding-top: 100px; padding-bottom: 48px; }
  .relation-item .thumb { width: 120px; height: 84px; }
  .faq-answer-inner { padding-left: 16px; }
}
@media (max-width: 520px) {
  .nav-bar { height: 64px; padding: 0 16px; }
  .article-hero { min-height: 300px; }
  .logo-mark { width: 30px; height: 30px; font-size: 15px; }
  .nav-logo .logo-text { font-size: .9rem; }
  .article-title h1 { font-size: 1.5rem; }
  .related-item { flex-direction: column; align-items: stretch; padding: 14px; }
  .related-item .thumb { width: 100%; height: 160px; }
  .cta-actions { flex-direction: column; align-items: center; width: 100%; }
  .cta-actions .btn-primary, .cta-actions .btn-secondary { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
    --bg-base: #0A0E13;
    --bg-surface: #12181F;
    --bg-elevated: #1A222C;
    --line-color: rgba(201, 169, 110, .20);
    --line-strong: rgba(201, 169, 110, .55);
    --gold-300: #D8C39A;
    --gold-500: #C9A96E;
    --gold-700: #7A6234;
    --text-high: #F2EEE6;
    --text-body: #B8B2A7;
    --text-mute: #6E6A61;
    --success: #2ECC71;
    --danger: #E74C3C;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
    --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius-card: 16px;
    --radius-img: 12px;
    --radius-btn: 8px;
    --radius-pill: 999px;
    --shadow-card: 0 10px 30px rgba(0, 0, 0, .25);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, .35);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    background: var(--bg-base);
    color: var(--text-body);
    font-family: var(--font-sans);
    line-height: 1.75;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
  }

  ul {
    list-style: none;
  }

  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }

  input {
    font-family: inherit;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 48px;
    padding-right: 48px;
  }

  /* ---------- 导航 ---------- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: transparent;
    transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
    border-bottom: 1px solid transparent;
  }

  .site-header.scrolled {
    background: rgba(10, 14, 19, .9);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-color);
  }

  .nav-bar {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 48px;
    height: 72px;
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gold-500), var(--gold-700));
    color: #10151B;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 18px;
    border-radius: 10px;
    flex-shrink: 0;
  }

  .logo-text {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-high);
    letter-spacing: .02em;
    white-space: nowrap;
  }

  .nav-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--line-color);
    border-radius: var(--radius-pill);
    padding: 5px 14px;
    font-size: .78rem;
    color: var(--text-body);
    white-space: nowrap;
  }

  .pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 0 rgba(46, 204, 113, .6);
    animation: pulse 2s infinite;
    flex-shrink: 0;
  }

  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(46, 204, 113, .55); }
    70% { box-shadow: 0 0 0 8px rgba(46, 204, 113, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: auto;
  }

  .nav-links a {
    font-size: .92rem;
    color: var(--text-body);
    position: relative;
    padding: 6px 0;
    letter-spacing: .02em;
  }

  .nav-links a:hover {
    color: var(--gold-300);
  }

  .nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gold-500);
    transition: width .25s ease;
  }

  .nav-links a:hover::after,
  .nav-links a.active::after {
    width: 100%;
  }

  .nav-links a.active {
    color: var(--gold-500);
  }

  .nav-cta {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: linear-gradient(135deg, #C9A96E, #A8874A);
    color: #13161B;
    font-size: .9rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    transition: filter .2s ease, transform .2s ease, box-shadow .2s ease;
    box-shadow: 0 4px 16px rgba(201, 169, 110, .22);
    letter-spacing: .02em;
  }

  .btn-primary:hover {
    filter: brightness(1.07);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(201, 169, 110, .32);
  }

  .btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(201, 169, 110, .25);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--line-strong);
    color: var(--gold-500);
    font-size: .9rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    transition: all .2s ease;
  }

  .btn-outline:hover {
    background: rgba(201, 169, 110, .14);
    border-color: var(--gold-500);
    color: var(--gold-300);
    transform: translateY(-1px);
  }

  .btn-outline:active {
    transform: translateY(1px);
  }

  .btn-text {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--gold-500);
    font-weight: 500;
    font-size: .9rem;
  }

  .btn-text:hover i {
    transform: translateX(3px);
  }

  .btn-text i {
    transition: transform .2s ease;
  }

  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: auto;
  }

  .hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text-high);
    border-radius: 3px;
    transition: all .3s ease;
  }

  .hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-drawer {
    position: fixed;
    inset: 0;
    z-index: 99;
    background: rgba(10, 14, 19, .98);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 26px;
    opacity: 0;
    visibility: hidden;
    transition: opacity .35s ease, visibility .35s ease;
    padding: 40px 24px;
  }

  .mobile-drawer.open {
    opacity: 1;
    visibility: visible;
  }

  .drawer-link {
    font-size: 1.2rem;
    color: var(--text-body);
    font-family: var(--font-serif);
    padding: 6px 0;
  }

  .drawer-link:hover,
  .drawer-link.active {
    color: var(--gold-500);
  }

  .drawer-cta {
    margin-top: 10px;
    width: 100%;
    max-width: 280px;
  }

  /* ---------- Hero 分类页 ---------- */
  .hero-cat {
    position: relative;
    min-height: 440px;
    display: flex;
    align-items: center;
    background-image: linear-gradient(rgba(10, 14, 19, .88), rgba(10, 14, 19, .55)), url("/assets/images/backpic/back-1.webp");
    background-size: cover;
    background-position: center;
    padding-top: 120px;
    padding-bottom: 70px;
  }

  .hero-cat::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1px;
    width: 100%;
    background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
    opacity: .55;
  }

  .hero-inner {
    width: 100%;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .8rem;
    letter-spacing: .14em;
    color: var(--gold-500);
    text-transform: uppercase;
    margin-bottom: 20px;
  }

  .eyebrow::before {
    content: "";
    width: 32px;
    height: 1px;
    background: var(--gold-500);
  }

  .hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-high);
    letter-spacing: .01em;
    margin-bottom: 18px;
  }

  .hero-sub {
    font-size: 1.12rem;
    color: var(--text-body);
    max-width: 520px;
    margin-bottom: 26px;
  }

  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .8rem;
    color: var(--text-mute);
    border: 1px solid var(--line-color);
    border-radius: var(--radius-pill);
    padding: 5px 14px;
    background: rgba(18, 24, 31, .6);
  }

  .hero-meta-item::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold-500);
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb-wrap {
    padding-top: 36px;
    padding-bottom: 4px;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: .85rem;
    color: var(--text-mute);
  }

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

  .breadcrumb a:hover {
    color: var(--gold-500);
  }

  .breadcrumb .current {
    color: var(--gold-500);
  }

  .breadcrumb span {
    color: var(--text-mute);
  }

  /* ---------- 板块 ---------- */
  .section {
    padding: 80px 0;
  }

  .section-head {
    margin-bottom: 44px;
  }

  .section-eyebrow {
    font-size: .8rem;
    letter-spacing: .14em;
    color: var(--gold-500);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .section-eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--gold-500);
  }

  .section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 2.4vw, 2.2rem);
    font-weight: 500;
    line-height: 1.25;
    color: var(--text-high);
    position: relative;
    padding-bottom: 18px;
    margin-bottom: 6px;
  }

  .section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-500), transparent);
    border-radius: 3px;
  }

  .section-desc {
    margin-top: 14px;
    color: var(--text-body);
    max-width: 640px;
    font-size: .96rem;
  }

  /* ---------- 两栏图文 ---------- */
  .split-section {
    background: var(--bg-base);
  }

  .split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }

  .split-content p {
    font-size: .98rem;
    color: var(--text-body);
    margin-bottom: 18px;
  }

  .split-content p strong {
    color: var(--gold-300);
    font-weight: 500;
  }

  .check-list {
    margin-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .check-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .94rem;
    color: var(--text-body);
  }

  .check-list li::before {
    content: "✓";
    color: var(--gold-500);
    font-weight: 700;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--line-strong);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .72rem;
    margin-top: 3px;
  }

  .split-media {
    position: relative;
  }

  .split-media img {
    width: 100%;
    border-radius: var(--radius-img);
    border: 1px solid var(--line-color);
    object-fit: cover;
    box-shadow: var(--shadow-card);
  }

  .split-media::before {
    content: "";
    position: absolute;
    inset: 18px -18px -18px 18px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-img);
    opacity: .4;
    pointer-events: none;
    z-index: -1;
  }

  /* ---------- 编号特征 ---------- */
  .feature-strip {
    background: var(--bg-surface);
    border-top: 1px solid var(--line-color);
    border-bottom: 1px solid var(--line-color);
  }

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--line-color);
    border-radius: var(--radius-card);
    padding: 34px 30px;
    transition: all .35s ease;
    position: relative;
    overflow: hidden;
  }

  .feature-strip .feature-card {
    background: var(--bg-base);
  }

  .feature-card::after {
    content: "";
    position: absolute;
    right: -30px;
    top: -30px;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(201, 169, 110, .06);
    transition: transform .4s ease;
  }

  .feature-card:hover {
    border-color: var(--line-strong);
    background: var(--bg-elevated);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .feature-card:hover::after {
    transform: scale(1.5);
  }

  .feature-num {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--gold-500);
    display: block;
    margin-bottom: 18px;
    letter-spacing: .04em;
  }

  .feature-card h3 {
    font-family: var(--font-serif);
    font-size: 1.18rem;
    color: var(--text-high);
    font-weight: 600;
    margin-bottom: 12px;
  }

  .feature-card p {
    font-size: .9rem;
    color: var(--text-body);
    line-height: 1.7;
  }

  /* ---------- 横向条目列表 ---------- */
  .entry-section {
    background: var(--bg-base);
  }

  .entry-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--line-color);
  }

  .entry-item {
    display: grid;
    grid-template-columns: 140px 1fr auto;
    gap: 26px;
    align-items: center;
    padding: 28px 6px;
    border-bottom: 1px solid var(--line-color);
    transition: background .3s ease, padding .3s ease;
    border-radius: 12px;
  }

  .entry-item:hover {
    background: var(--bg-surface);
    padding-left: 16px;
    padding-right: 16px;
  }

  .entry-thumb {
    width: 140px;
    height: 92px;
    border-radius: var(--radius-img);
    overflow: hidden;
    border: 1px solid var(--line-color);
    flex-shrink: 0;
  }

  .entry-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }

  .entry-item:hover .entry-thumb img {
    transform: scale(1.04);
  }

  .entry-body .entry-tag {
    display: inline-block;
    font-size: .72rem;
    color: var(--gold-500);
    background: rgba(201, 169, 110, .1);
    border-radius: 4px;
    padding: 3px 10px;
    margin-bottom: 10px;
    letter-spacing: .04em;
  }

  .entry-body h3 {
    font-family: var(--font-serif);
    font-size: 1.16rem;
    color: var(--text-high);
    font-weight: 600;
    margin-bottom: 8px;
  }

  .entry-body p {
    font-size: .88rem;
    color: var(--text-mute);
    line-height: 1.65;
    max-width: 640px;
  }

  .entry-link {
    font-size: .85rem;
    color: var(--gold-500);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding-right: 8px;
  }

  .entry-link:hover i {
    transform: translateX(3px);
  }

  .entry-link i {
    transition: transform .2s ease;
  }

  /* ---------- FAQ ---------- */
  .faq-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--line-color);
    border-bottom: 1px solid var(--line-color);
  }

  .faq-list {
    max-width: 820px;
    margin: 0 auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--line-color);
  }

  .faq-item:first-child {
    border-top: 1px solid var(--line-color);
  }

  .faq-q {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 8px;
    cursor: pointer;
    transition: background .25s ease;
  }

  .faq-q:hover {
    background: rgba(201, 169, 110, .04);
  }

  .faq-icon {
    width: 30px;
    height: 30px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    color: var(--gold-500);
    flex-shrink: 0;
    transition: transform .35s ease, background .25s ease;
  }

  .faq-q.open .faq-icon {
    transform: rotate(45deg);
    background: rgba(201, 169, 110, .15);
  }

  .faq-q h3 {
    font-size: .98rem;
    color: var(--text-high);
    font-weight: 500;
    line-height: 1.5;
    flex: 1;
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    padding: 0 8px;
  }

  .faq-a.open {
    max-height: 300px;
    padding: 0 8px 22px 54px;
  }

  .faq-a p {
    font-size: .9rem;
    color: var(--text-body);
    background: var(--bg-base);
    border-radius: 10px;
    padding: 16px 18px;
    border-left: 2px solid var(--gold-500);
    line-height: 1.7;
  }

  /* ---------- CTA ---------- */
  .cta-section {
    background: var(--bg-base);
  }

  .cta-block {
    text-align: center;
    background: var(--bg-surface);
    border: 1px solid var(--line-color);
    border-radius: 20px;
    padding: 64px 40px;
    position: relative;
    overflow: hidden;
  }

  .cta-block::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(115deg, transparent 0px, transparent 28px, rgba(201, 169, 110, .03) 28px, rgba(201, 169, 110, .03) 29px);
    pointer-events: none;
  }

  .cta-block .eyebrow {
    justify-content: center;
    margin-bottom: 16px;
  }

  .cta-block .eyebrow::before,
  .cta-block .eyebrow::after {
    content: "";
    width: 30px;
    height: 1px;
    background: var(--gold-500);
  }

  .cta-block .eyebrow::after {
    margin-left: 10px;
  }

  .cta-title {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    color: var(--text-high);
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 16px;
  }

  .cta-desc {
    font-size: .94rem;
    color: var(--text-mute);
    max-width: 520px;
    margin: 0 auto 32px;
  }

  .cta-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    position: relative;
    z-index: 1;
  }

  /* ---------- 分类切换 ---------- */
  .cat-switch {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px 28px;
    padding-top: 28px;
    padding-bottom: 64px;
  }

  .cat-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .9rem;
    color: var(--text-body);
    border: 1px solid var(--line-color);
    border-radius: var(--radius-pill);
    padding: 9px 22px;
    transition: all .25s ease;
    background: var(--bg-surface);
  }

  .cat-link:hover {
    color: var(--gold-500);
    border-color: var(--gold-500);
    background: var(--bg-elevated);
    transform: translateY(-2px);
  }

  .cat-link i {
    font-size: .8rem;
  }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: #080B10;
    border-top: 1px solid var(--line-strong);
    padding-top: 64px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
  }

  .footer-brand .logo-text {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-high);
    margin-bottom: 14px;
  }

  .footer-brand p {
    font-size: .88rem;
    color: var(--text-mute);
    line-height: 1.7;
    max-width: 300px;
  }

  .footer-h {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-high);
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
  }

  .footer-h::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--gold-500);
  }

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

  .footer-links a {
    font-size: .88rem;
    color: var(--text-mute);
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .footer-links a i {
    width: 18px;
    text-align: center;
    color: var(--text-mute);
    transition: color .2s ease;
  }

  .footer-links a:hover {
    color: var(--gold-500);
  }

  .footer-links a:hover i {
    color: var(--gold-500);
  }

  .footer-bottom {
    border-top: 1px solid var(--line-color);
    padding: 22px 0 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .82rem;
    color: var(--text-mute);
  }

  .footer-bottom p {
    margin: 0;
  }

  /* ---------- 动效 ---------- */
  .fade-up {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .5s ease, transform .5s ease;
  }

  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .01ms !important;
      scroll-behavior: auto !important;
    }

    .fade-up {
      opacity: 1;
      transform: none;
    }

    .pulse-dot {
      animation: none;
    }
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 1024px) {
    .container,
    .nav-bar {
      padding-left: 32px;
      padding-right: 32px;
    }

    .nav-status {
      display: none;
    }

    .nav-links {
      gap: 20px;
    }

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

  @media (max-width: 768px) {
    .nav-links,
    .nav-cta,
    .nav-status {
      display: none;
    }

    .hamburger {
      display: flex;
    }

    .nav-bar {
      height: 64px;
      padding: 0 20px;
    }

    .logo-mark {
      width: 32px;
      height: 32px;
      font-size: 16px;
    }

    .logo-text {
      font-size: 1rem;
    }

    .hero-cat {
      min-height: 380px;
      padding-top: 100px;
      padding-bottom: 56px;
    }

    .section {
      padding: 56px 0;
    }

    .split-grid {
      grid-template-columns: 1fr;
      gap: 36px;
    }

    .split-media::before {
      display: none;
    }

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

    .entry-item {
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .entry-thumb {
      width: 100%;
      height: 170px;
    }

    .entry-link {
      padding-left: 0;
    }

    .faq-a.open {
      padding-left: 8px;
    }

    .cta-block {
      padding: 46px 22px;
    }

    .cat-switch {
      padding-bottom: 40px;
    }
  }

  @media (max-width: 640px) {
    .container,
    .nav-bar {
      padding-left: 20px;
      padding-right: 20px;
    }

    .hero-title {
      font-size: 2.1rem;
    }

    .hero-sub {
      font-size: 1rem;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }

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

    .cta-actions {
      flex-direction: column;
      width: 100%;
    }

    .cta-actions .btn-primary,
    .cta-actions .btn-outline {
      width: 100%;
      justify-content: center;
    }
  }

/* roulang page: category3 */
:root {
    --bg-base: #0A0E13;
    --bg-surface: #12181F;
    --bg-elevated: #1A222C;
    --line-color: rgba(201, 169, 110, .20);
    --line-strong: rgba(201, 169, 110, .55);
    --gold-300: #D8C39A;
    --gold-500: #C9A96E;
    --gold-700: #7A6234;
    --text-high: #F2EEE6;
    --text-body: #B8B2A7;
    --text-mute: #6E6A61;
    --success: #2ECC71;
    --danger: #E74C3C;
    --radius-card: 16px;
    --radius-img: 12px;
    --radius-btn: 8px;
    --shadow-card: 0 10px 30px rgba(0, 0, 0, .25);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, .35), 0 0 0 1px rgba(201, 169, 110, .25);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-base);
    color: var(--text-body);
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4, h5 {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
    color: var(--text-high);
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px;
  }

  /* ---------- 导航 ---------- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    transition: background .4s ease, border-color .4s ease;
    border-bottom: 1px solid transparent;
  }

  .site-header.scrolled {
    background: rgba(10, 14, 19, .9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line-color);
  }

  .nav-bar {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 76px;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(145deg, var(--gold-300), var(--gold-500), var(--gold-700));
    color: var(--bg-base);
    font-family: "Noto Serif SC", serif;
    font-size: 20px;
    font-weight: 700;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(201, 169, 110, .3);
  }

  .logo-text {
    font-family: "Noto Serif SC", serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-high);
    letter-spacing: .02em;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .nav-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-surface);
    border: 1px solid var(--line-color);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: .72rem;
    color: var(--text-body);
    letter-spacing: .03em;
    margin: 0 12px;
    flex-shrink: 0;
  }

  .pulse-dot {
    width: 7px;
    height: 7px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(46, 204, 113, .5);
    animation: pulseDot 2s infinite;
  }

  @keyframes pulseDot {
    0% { box-shadow: 0 0 0 0 rgba(46, 204, 113, .5); }
    70% { box-shadow: 0 0 0 8px rgba(46, 204, 113, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
  }

  .nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
    margin: 0;
    padding: 0;
  }

  .nav-links li a {
    position: relative;
    color: var(--text-body);
    font-size: .92rem;
    font-weight: 400;
    padding: 8px 0;
    letter-spacing: .02em;
    transition: color .25s;
  }

  .nav-links li a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gold-500);
    transition: width .3s;
  }

  .nav-links li a:hover {
    color: var(--gold-300);
  }

  .nav-links li a:hover::after {
    width: 100%;
  }

  .nav-links li a.active {
    color: var(--gold-500);
    font-weight: 500;
  }

  .nav-links li a.active::after {
    width: 100%;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(140deg, var(--gold-300), var(--gold-500), #A8874A);
    color: #1A160F;
    font-size: .92rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: all .2s ease;
    box-shadow: 0 6px 18px rgba(201, 169, 110, .25);
  }

  .btn-primary:hover {
    filter: brightness(1.05);
    box-shadow: 0 8px 22px rgba(201, 169, 110, .35);
    transform: translateY(-1px);
  }

  .btn-primary:active {
    transform: translateY(1px);
  }

  .hamburger {
    display: none;
    background: transparent;
    border: 1px solid var(--line-color);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
  }

  .hamburger span {
    width: 20px;
    height: 2px;
    background: var(--text-high);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
  }

  .mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 19, .98);
    z-index: 99;
    padding: 100px 32px 32px;
    flex-direction: column;
    gap: 12px;
  }

  .mobile-drawer.open {
    display: flex;
  }

  .drawer-link {
    color: var(--text-body);
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--line-color);
  }

  .drawer-cta {
    margin-top: 20px;
  }

  /* ---------- Hero ---------- */
  .page-hero {
    position: relative;
    min-height: 460px;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background-size: cover;
    background-position: center;
  }

  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(10, 14, 19, .92) 10%, rgba(10, 14, 19, .65) 60%, rgba(10, 14, 19, .35));
  }

  .page-hero .container {
    position: relative;
    z-index: 2;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    color: var(--text-mute);
    margin-bottom: 28px;
  }

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

  .breadcrumb a:hover {
    color: var(--gold-500);
  }

  .breadcrumb span.sep {
    color: var(--line-strong);
  }

  .breadcrumb .current {
    color: var(--gold-500);
  }

  .hero-eyebrow {
    display: inline-block;
    font-size: .8rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--gold-500);
    border: 1px solid var(--line-strong);
    padding: 6px 16px;
    border-radius: 4px;
    background: rgba(201, 169, 110, .08);
    margin-bottom: 20px;
  }

  .hero-title {
    font-size: clamp(2.2rem, 4.4vw, 3.6rem);
    line-height: 1.15;
    font-weight: 600;
    color: var(--text-high);
    margin-bottom: 18px;
    letter-spacing: .01em;
    max-width: 700px;
  }

  .hero-title .gold {
    color: var(--gold-500);
  }

  .hero-sub {
    font-size: 1.05rem;
    color: var(--text-body);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 36px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--line-strong);
    color: var(--gold-500);
    font-size: .92rem;
    font-weight: 500;
    padding: 10px 22px;
    border-radius: 999px;
    cursor: pointer;
    transition: background .25s, border-color .25s;
  }

  .btn-secondary:hover {
    background: rgba(201, 169, 110, .15);
    border-color: var(--gold-500);
  }

  .btn-secondary:active {
    transform: translateY(1px);
  }

  /* ---------- 分类3 榜单大卡 ---------- */
  .section-padding {
    padding: 84px 0;
  }

  .section-eyebrow {
    font-size: .78rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: 12px;
  }

  .section-title {
    font-size: clamp(1.5rem, 2.4vw, 2.2rem);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 16px;
  }

  .section-title::before {
    content: "";
    display: block;
    width: 36px;
    height: 2px;
    background: var(--gold-500);
    margin-bottom: 14px;
  }

  .section-desc {
    color: var(--text-body);
    font-size: .95rem;
    max-width: 640px;
    margin-bottom: 48px;
  }

  .rank-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 16px;
  }

  .rank-card {
    position: relative;
    display: grid;
    grid-template-columns: 110px 1fr 1.2fr;
    gap: 0;
    background: var(--bg-surface);
    border: 1px solid var(--line-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
  }

  .rank-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--line-strong);
  }

  .rank-number {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Noto Serif SC", serif;
    font-size: 3.8rem;
    font-weight: 700;
    color: var(--gold-500);
    background: rgba(201, 169, 110, .08);
    border-right: 1px solid var(--line-color);
    letter-spacing: .02em;
  }

  .rank-cover {
    position: relative;
    overflow: hidden;
    min-height: 200px;
  }

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

  .rank-card:hover .rank-cover img {
    transform: scale(1.03);
  }

  .rank-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10, 14, 19, .25), transparent 50%);
  }

  .rank-body {
    padding: 32px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .rank-tag {
    display: inline-block;
    background: rgba(201, 169, 110, .12);
    color: var(--gold-500);
    border-radius: 4px;
    padding: 3px 10px;
    font-size: .75rem;
    letter-spacing: .05em;
    margin-bottom: 12px;
    width: fit-content;
  }

  .rank-body h3 {
    font-size: 1.28rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-high);
  }

  .rank-body p {
    font-size: .92rem;
    color: var(--text-body);
    line-height: 1.75;
    margin-bottom: 18px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gold-500);
    font-size: .9rem;
    transition: gap .25s;
  }

  .text-link i {
    font-size: .8rem;
    transition: transform .25s;
  }

  .text-link:hover {
    color: var(--gold-300);
  }

  .text-link:hover i {
    transform: translateX(4px);
  }

  /* ---------- 活动节奏 ---------- */
  .timeline-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--line-color);
    border-bottom: 1px solid var(--line-color);
  }

  .timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .timeline-item {
    position: relative;
    padding: 28px 24px;
    background: var(--bg-base);
    border: 1px solid var(--line-color);
    border-radius: var(--radius-card);
    transition: border-color .3s, box-shadow .3s;
  }

  .timeline-item:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow-card);
  }

  .timeline-step {
    font-size: 2.2rem;
    font-weight: 700;
    font-family: "Noto Serif SC", serif;
    color: var(--gold-500);
    margin-bottom: 14px;
  }

  .timeline-item h4 {
    font-size: 1.05rem;
    margin-bottom: 10px;
  }

  .timeline-item p {
    font-size: .85rem;
    color: var(--text-body);
    line-height: 1.7;
  }

  /* ---------- 官方保障 ---------- */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .feature-item {
    background: var(--bg-surface);
    border: 1px solid var(--line-color);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    transition: border-color .3s, box-shadow .3s;
  }

  .feature-item:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow-card);
  }

  .feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(201, 169, 110, .12);
    color: var(--gold-500);
    font-size: 1.2rem;
    border-radius: 12px;
    margin-bottom: 18px;
  }

  .feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
  }

  .feature-item p {
    font-size: .9rem;
    color: var(--text-body);
    line-height: 1.7;
  }

  /* ---------- FAQ ---------- */
  .faq-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--line-color);
  }

  .faq-list {
    max-width: 760px;
    margin: 0 auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--line-color);
  }

  .faq-item:last-child {
    border-bottom: none;
  }

  .faq-question {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 22px 0;
    cursor: pointer;
    color: var(--text-high);
    font-size: 1rem;
    font-weight: 500;
    transition: color .2s;
  }

  .faq-question:hover {
    color: var(--gold-300);
  }

  .faq-q-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(201, 169, 110, .12);
    color: var(--gold-500);
    border-radius: 50%;
    font-size: .8rem;
    font-weight: 700;
    flex-shrink: 0;
  }

  .faq-chevron {
    margin-left: auto;
    color: var(--gold-500);
    font-size: .85rem;
    transition: transform .3s;
  }

  .faq-item.open .faq-chevron {
    transform: rotate(45deg);
  }

  .faq-answer {
    display: none;
    padding: 0 0 22px 42px;
    color: var(--text-body);
    font-size: .9rem;
    line-height: 1.75;
    background: var(--bg-surface);
  }

  .faq-item.open .faq-answer {
    display: block;
  }

  /* ---------- CTA ---------- */
  .cta-section {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(145deg, rgba(201, 169, 110, .08), rgba(10, 14, 19, .95) 40%), url('/assets/images/backpic/back-3.webp') center/cover;
    text-align: center;
  }

  .cta-content h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    margin-bottom: 16px;
  }

  .cta-content p {
    max-width: 520px;
    margin: 0 auto 36px;
    color: var(--text-body);
    font-size: .95rem;
  }

  .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
  }

  .share-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
  }

  .share-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line-color);
    border-radius: 50%;
    color: var(--text-body);
    font-size: 1.05rem;
    transition: all .25s;
  }

  .share-icon:hover {
    border-color: var(--gold-500);
    color: var(--gold-500);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(201, 169, 110, .15);
  }

  /* ---------- 分类切换链接 ---------- */
  .switch-cats {
    padding: 40px 0;
    border-top: 1px solid var(--line-color);
  }

  .switch-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    align-items: center;
  }

  .cat-switch-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-body);
    font-size: .9rem;
    padding: 8px 18px;
    border: 1px solid var(--line-color);
    border-radius: 999px;
    transition: all .25s;
  }

  .cat-switch-link:hover {
    border-color: var(--gold-500);
    color: var(--gold-500);
    transform: translateX(3px);
  }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: #080B10;
    border-top: 1px solid var(--line-strong);
    padding-top: 64px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
  }

  .footer-brand .logo-text {
    font-size: 1.15rem;
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: .88rem;
    color: var(--text-mute);
    line-height: 1.7;
    margin-top: 14px;
    max-width: 300px;
  }

  .footer-h {
    font-size: .95rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--text-high);
  }

  .footer-links {
    list-style: none;
    padding: 0;
  }

  .footer-links li {
    margin-bottom: 10px;
  }

  .footer-links a {
    font-size: .88rem;
    color: var(--text-mute);
    transition: color .2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .footer-links a:hover {
    color: var(--gold-500);
  }

  .footer-bottom {
    border-top: 1px solid var(--line-color);
    padding: 24px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: .82rem;
    color: var(--text-mute);
  }

  /* ---------- 动效 ---------- */
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .55s ease, transform .55s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
    .pulse-dot { animation: none; }
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 1024px) {
    .container { padding: 0 32px; }
    .nav-links { gap: 16px; }
    .nav-status { display: none; }
    .rank-card { grid-template-columns: 80px 1fr 1fr; }
    .rank-number { font-size: 2.8rem; }
    .rank-body { padding: 24px 24px; }
    .timeline-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }

  @media (max-width: 768px) {
    .container { padding: 0 20px; }
    .nav-bar { padding: 0 20px; height: 68px; }
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .hamburger { display: flex; }
    .page-hero { min-height: 420px; padding-top: 84px; }
    .rank-card { grid-template-columns: 1fr; }
    .rank-number {
      font-size: 2.4rem;
      padding: 16px 20px;
      justify-content: flex-start;
      border-right: none;
      border-bottom: 1px solid var(--line-color);
    }
    .rank-cover { min-height: 180px; }
    .feature-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 520px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 1.9rem; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .btn-primary, .btn-secondary { justify-content: center; }
    .timeline-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .switch-inner { flex-direction: column; }
  }

/* roulang page: category2 */
:root {
            --bg-base: #0A0E13;
            --bg-surface: #12181F;
            --bg-elevated: #1A222C;
            --line-color: rgba(201, 169, 110, .20);
            --line-strong: rgba(201, 169, 110, .55);
            --gold-300: #D8C39A;
            --gold-500: #C9A96E;
            --gold-700: #7A6234;
            --text-high: #F2EEE6;
            --text-body: #B8B2A7;
            --text-mute: #6E6A61;
            --success: #2ECC71;
            --danger: #E74C3C;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg-base);
            color: var(--text-body);
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
        }

        /* 主按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 8px;
            background: linear-gradient(135deg, #C9A96E, #A8874A);
            color: #12181F;
            font-weight: 600;
            font-size: .95rem;
            border: none;
            cursor: pointer;
            transition: filter .2s, transform .2s, box-shadow .2s;
            box-shadow: 0 6px 18px rgba(201, 169, 110, .18);
        }
        .btn-primary:hover {
            filter: brightness(1.06);
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(201, 169, 110, .28);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--gold-300);
            outline-offset: 2px;
        }

        /* 文字链接 */
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--gold-300);
            font-size: .92rem;
            font-weight: 500;
            padding: 10px 4px;
            transition: gap .25s, color .2s;
        }
        .text-link:hover {
            color: var(--gold-500);
            gap: 10px;
        }
        .text-link i {
            font-size: .8rem;
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: transparent;
            transition: background .35s, border-color .35s, box-shadow .35s;
        }
        .site-header.scrolled {
            background: rgba(10, 14, 19, .92);
            border-bottom: 1px solid var(--line-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .nav-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (min-width: 640px) {
            .nav-bar {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .nav-bar {
                padding: 0 48px;
            }
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--gold-500), var(--gold-700));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A0E13;
            font-weight: 700;
            font-size: 18px;
            font-family: "Noto Serif SC", serif;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-weight: 600;
            color: var(--text-high);
            font-size: 1.15rem;
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .nav-status {
            display: none;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--bg-surface);
            border: 1px solid var(--line-color);
            font-size: .75rem;
            color: var(--text-body);
            letter-spacing: .03em;
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .nav-status {
                display: inline-flex;
            }
        }
        .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 0 rgba(46, 204, 113, .6);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(46, 204, 113, .55);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(46, 204, 113, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(46, 204, 113, 0);
            }
        }
        .nav-links {
            display: none;
            gap: 28px;
        }
        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            font-size: .9rem;
            color: var(--text-body);
            padding: 8px 0;
            position: relative;
            transition: color .25s;
            letter-spacing: .03em;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--gold-500);
            border-radius: 2px;
            transition: width .25s;
        }
        .nav-links a:hover {
            color: var(--gold-300);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--gold-300);
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-cta {
            display: none !important;
        }
        @media (min-width: 1024px) {
            .nav-cta {
                display: inline-flex !important;
            }
        }
        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 102;
        }
        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
        }
        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-high);
            border-radius: 2px;
            transition: transform .3s, opacity .3s;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(320px, 80vw);
            height: 100vh;
            background: rgba(10, 14, 19, .97);
            border-left: 1px solid var(--line-color);
            padding: 96px 28px 40px;
            transition: right .35s cubic-bezier(.4, 0, .2, 1);
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-link {
            color: var(--text-body);
            font-size: 1rem;
            padding: 14px 0;
            border-bottom: 1px solid var(--line-color);
            transition: color .2s, padding-left .2s;
        }
        .drawer-link:hover,
        .drawer-link:focus {
            color: var(--gold-300);
            padding-left: 8px;
        }
        .drawer-link.active {
            color: var(--gold-300);
        }
        .drawer-cta {
            margin-top: 24px;
        }

        /* 面包屑 */
        .breadcrumbs {
            font-size: .85rem;
            color: var(--text-mute);
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
            letter-spacing: .02em;
        }
        .breadcrumbs a {
            color: var(--text-body);
            transition: color .2s;
        }
        .breadcrumbs a:hover {
            color: var(--gold-300);
        }
        .breadcrumbs .current {
            color: var(--gold-300);
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: 150px 0 76px;
            background: linear-gradient(rgba(10, 14, 19, .68), rgba(10, 14, 19, .84)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            border-bottom: 1px solid var(--line-color);
        }
        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 2;
        }
        @media (min-width: 640px) {
            .hero-content {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .hero-content {
                padding: 0 48px;
            }
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 4px;
            background: rgba(201, 169, 110, .1);
            border: 1px solid var(--line-color);
            font-size: .75rem;
            color: var(--gold-300);
            letter-spacing: .14em;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(2rem, 4vw, 3.2rem);
            color: var(--text-high);
            font-weight: 600;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: .01em;
        }
        .hero-sub {
            font-size: 1.05rem;
            color: var(--text-body);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.75;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
        }

        /* Hero 特性条 */
        .feature-strip {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-top: 48px;
        }
        @media (min-width: 768px) {
            .feature-strip {
                grid-template-columns: repeat(4, 1fr);
                gap: 14px;
            }
        }
        .feature-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-color);
            border-radius: 12px;
            padding: 18px 16px;
            transition: border-color .25s, background .25s, transform .25s;
        }
        .feature-item:hover {
            border-color: var(--line-strong);
            background: var(--bg-elevated);
            transform: translateY(-2px);
        }
        .feature-item .f-label {
            font-size: .75rem;
            color: var(--text-mute);
            letter-spacing: .08em;
            margin-bottom: 4px;
        }
        .feature-item .f-text {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: .95rem;
            color: var(--text-high);
            line-height: 1.5;
        }

        /* 区块通用 */
        .section {
            padding: 76px 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 96px 0;
            }
        }
        .section-head {
            max-width: 760px;
            margin-bottom: 46px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .75rem;
            letter-spacing: .18em;
            color: var(--gold-500);
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-title {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(1.5rem, 2.4vw, 2.2rem);
            color: var(--text-high);
            font-weight: 500;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: .01em;
        }
        .section-line {
            width: 36px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-500), var(--gold-700));
            border-radius: 2px;
            margin-bottom: 20px;
        }
        .section-desc {
            color: var(--text-mute);
            font-size: .95rem;
            line-height: 1.7;
            max-width: 640px;
        }

        /* 步骤 */
        .steps-grid {
            display: grid;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .step-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-color);
            border-radius: 16px;
            padding: 30px 26px;
            position: relative;
            transition: border-color .3s, background .3s, transform .3s, box-shadow .3s;
        }
        .step-card:hover {
            border-color: var(--line-strong);
            background: var(--bg-elevated);
            transform: translateY(-3px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, .3), 0 0 0 1px rgba(201, 169, 110, .12);
        }
        .step-num {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 2rem;
            color: var(--gold-500);
            font-weight: 600;
            display: block;
            margin-bottom: 14px;
            line-height: 1;
        }
        .step-card h3 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            color: var(--text-high);
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: .93rem;
            color: var(--text-body);
            line-height: 1.65;
        }

        /* 竖向列表 */
        .list-wrap {
            display: flex;
            flex-direction: column;
        }
        .list-row {
            display: flex;
            gap: 20px;
            padding: 26px 8px;
            border-bottom: 1px solid var(--line-color);
            transition: background .25s, padding-left .25s;
        }
        .list-row:first-child {
            border-top: 1px solid var(--line-color);
        }
        .list-row:hover {
            background: rgba(26, 34, 44, .5);
            padding-left: 16px;
        }
        @media (min-width: 640px) {
            .list-row {
                gap: 28px;
                padding: 28px 10px;
            }
            .list-row:hover {
                padding-left: 20px;
            }
        }
        .list-index {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: 1.4rem;
            color: var(--gold-500);
            font-weight: 600;
            min-width: 46px;
            line-height: 1.3;
            flex-shrink: 0;
        }
        @media (min-width: 640px) {
            .list-index {
                font-size: 1.8rem;
                min-width: 58px;
            }
        }
        .list-content h3 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            color: var(--text-high);
            font-size: 1.1rem;
            margin-bottom: 6px;
            font-weight: 600;
            letter-spacing: .01em;
        }
        .list-content p {
            color: var(--text-body);
            font-size: .93rem;
            max-width: 680px;
            line-height: 1.7;
        }

        /* 精选卡片 */
        .feature-grid {
            display: grid;
            gap: 22px;
        }
        @media (min-width: 768px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .feature-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-color);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .35s, box-shadow .35s, border-color .35s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, .35), 0 0 0 1px rgba(201, 169, 110, .25);
            border-color: var(--line-strong);
        }
        .feature-card-img {
            overflow: hidden;
            position: relative;
            background: var(--bg-elevated);
        }
        .feature-card-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-card:hover .feature-card-img img {
            transform: scale(1.03);
        }
        .feature-card-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .feature-card-tag {
            display: inline-block;
            width: fit-content;
            padding: 3px 10px;
            border-radius: 4px;
            background: rgba(201, 169, 110, .1);
            color: var(--gold-300);
            font-size: .75rem;
            margin-bottom: 12px;
            letter-spacing: .04em;
            border: 1px solid rgba(201, 169, 110, .15);
        }
        .feature-card h3 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            color: var(--text-high);
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 600;
            line-height: 1.4;
        }
        .feature-card p {
            color: var(--text-body);
            font-size: .9rem;
            line-height: 1.65;
            margin-bottom: 14px;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
        }
        .faq-item {
            border-bottom: 1px solid var(--line-color);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--line-color);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 4px;
            cursor: pointer;
            font-size: 1rem;
            color: var(--text-high);
            font-weight: 500;
            transition: color .2s;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--gold-300);
        }
        .faq-icon {
            flex: 0 0 auto;
            width: 28px;
            height: 28px;
            border: 1px solid var(--line-strong);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-500);
            font-size: .85rem;
            transition: transform .35s, background .3s, border-color .3s;
            background: rgba(201, 169, 110, .06);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(201, 169, 110, .14);
            border-color: var(--gold-500);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 4px 22px;
            color: var(--text-body);
            font-size: .95rem;
            line-height: 1.75;
            border-left: 2px solid var(--line-strong);
            margin-left: 6px;
            padding-left: 16px;
        }

        /* CTA */
        .cta-block {
            position: relative;
            padding: 80px 0;
            text-align: center;
            border-top: 1px solid var(--line-color);
            background: linear-gradient(135deg, rgba(201, 169, 110, .07), rgba(10, 14, 19, 0) 60%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
        }
        .cta-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, var(--bg-base) 0%, rgba(10, 14, 19, .82) 30%, rgba(10, 14, 19, .88) 100%);
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            color: var(--text-high);
            font-weight: 500;
            margin-bottom: 12px;
            letter-spacing: .02em;
        }
        .cta-block .cta-sub {
            color: var(--text-mute);
            margin-bottom: 32px;
            font-size: .98rem;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-switch-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 20px;
            margin-top: 40px;
            font-size: .88rem;
            color: var(--text-mute);
        }
        .cta-switch-links a {
            color: var(--text-body);
            transition: color .2s;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .cta-switch-links a:hover {
            color: var(--gold-300);
        }
        .cta-switch-links a i {
            font-size: .75rem;
            color: var(--gold-500);
        }

        /* 页脚 */
        .site-footer {
            background: #080B10;
            border-top: 1px solid var(--line-strong);
            padding: 64px 0 28px;
        }
        .footer-grid {
            display: grid;
            gap: 36px;
            margin-bottom: 44px;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 30px;
            }
        }
        .footer-brand .logo-text {
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-mute);
            font-size: .88rem;
            line-height: 1.7;
            max-width: 260px;
        }
        .footer-h {
            font-family: "Noto Serif SC", "Songti SC", serif;
            color: var(--text-high);
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .04em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-mute);
            font-size: .88rem;
            transition: color .2s, padding-left .2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--gold-300);
            padding-left: 4px;
        }
        .footer-links a i {
            color: var(--gold-500);
            font-size: .85rem;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            border-top: 1px solid var(--line-color);
            padding-top: 24px;
            color: var(--text-mute);
            font-size: .82rem;
        }
        .footer-bottom .beian {
            color: var(--text-mute);
        }

        /* 视口动画 */
        .fade-up {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity .5s ease, transform .5s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: none;
        }
        @media (prefers-reduced-motion: reduce) {
            .fade-up {
                opacity: 1;
                transform: none;
                transition: none;
            }
            .site-header.scrolled {
                backdrop-filter: none;
                -webkit-backdrop-filter: none;
            }
            html {
                scroll-behavior: auto;
            }
            .feature-card:hover img {
                transform: none;
            }
        }

        /* 按钮已保存状态 */
        .btn-primary.saved {
            background: linear-gradient(135deg, #3E8E5A, #2C7044);
            color: #F2EEE6;
        }