/* roulang page: index */
:root {
  --bg-primary: #0B0F14;
  --bg-panel: #131A21;
  --bg-inset: #182129;
  --bg-elevated: #0E141B;
  --gold-primary: #C8A86E;
  --gold-light: #E3CB96;
  --text-primary: #E6EAEE;
  --text-secondary: #8B96A3;
  --text-muted: #5B6672;
  --success-green: #3ECF9E;
  --border-color: #1C252E;
  --divider-color: #202A34;
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-rest: 0 8px 24px rgba(0,0,0,0.25);
  --shadow-hover: 0 16px 40px rgba(0,0,0,0.40);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
input { font-family: inherit; font-size: 14px; }
.container-site { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 768px) { .container-site { padding: 0 20px; } }
@media (max-width: 520px) { .container-site { padding: 0 16px; } }

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 12px 0 4px;
  background: transparent;
}
.nav-panel {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 16px;
  border-radius: 18px;
  background: rgba(19,26,33,0.92);
  backdrop-filter: blur(12px);
  border: 1px solid #232E39;
  box-shadow: var(--shadow-rest);
}
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--gold-primary);
  color: #0B0F14;
  font-weight: 900;
  font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-logo__text {
  font-size: 18px; font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: -0.01em;
}
@media (max-width: 520px) {
  .brand-logo__text { font-size: 15px; max-width: 110px; overflow: hidden; text-overflow: ellipsis; }
}
.nav-panel__links { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: #0E141B;
  border: 1px solid #27313B;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}
.nav-link i { font-size: 13px; color: var(--text-secondary); transition: color 0.25s var(--ease); }
.nav-link:hover { border-color: var(--gold-primary); color: var(--gold-light); }
.nav-link:hover i { color: var(--gold-light); }
.nav-link.active { border-color: var(--gold-primary); color: var(--gold-light); }
.nav-link.active i { color: var(--gold-primary); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--gold-primary);
  border-radius: 2px;
  transition: width 0.3s var(--ease);
}
.nav-link:hover::after, .nav-link.active::after { width: 18px; }
.nav-panel__actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-text {
  font-size: 14px; font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 4px;
  transition: color 0.25s var(--ease);
}
.btn-text:hover { color: var(--gold-light); }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  height: 48px; padding: 0 28px;
  background: var(--gold-primary);
  color: #0B0F14;
  font-size: 15px; font-weight: 700;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--gold-light); box-shadow: 0 8px 20px rgba(200,168,110,0.25); transform: translateY(-2px); }
.btn-primary:focus-visible, .btn-secondary:focus-visible, .btn-text:focus-visible, .nav-link:focus-visible {
  outline: 2px solid var(--gold-primary); outline-offset: 2px;
}
.btn-primary i { transition: transform 0.3s var(--ease); }
.btn-primary:hover i { transform: translateX(3px); }
.btn-primary--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-primary--lg { height: 54px; padding: 0 36px; font-size: 16px; }
.btn-primary--block { width: 100%; margin-top: 8px; }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  height: 48px; padding: 0 28px;
  background: transparent;
  border: 1px solid #3A4652;
  color: var(--text-primary);
  font-size: 15px; font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--gold-primary); color: var(--gold-light); transform: translateY(-2px); }
.nav-toggle { display: none; align-items: center; justify-content: center; width: 42px; height: 42px; background: #0E141B; border: 1px solid #27313B; border-radius: 10px; color: var(--text-primary); font-size: 16px; }
@media (max-width: 1024px) {
  .nav-panel__links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 12px;
    margin-top: 4px;
    border-top: 1px solid var(--border-color);
  }
  .nav-panel__links.open { display: flex; }
  .nav-link { height: 44px; justify-content: center; font-size: 15px; }
  .nav-panel { flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-panel__actions .btn-text { display: none; }
}

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding: 100px 0 80px;
}
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}
.hero__bg::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(11,15,20,0.94) 0%, rgba(11,15,20,0.72) 55%, rgba(200,168,110,0.10) 100%);
}
.hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(200,168,110,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(200,168,110,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero__content { position: relative; z-index: 1; display: flex; align-items: center; gap: 60px; }
.hero__text { flex: 1; }
.hero h1 {
  font-size: 64px; font-weight: 900;
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--text-primary);
}
.hero h1::after {
  content: '';
  display: block;
  width: 72px; height: 4px;
  background: var(--gold-primary);
  border-radius: 2px;
  margin-top: 24px;
}
.hero__subtitle {
  font-size: 18px; line-height: 1.6;
  color: #B6BEC6;
  margin-top: 22px;
  max-width: 480px;
}
.hero__actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero__login-card { width: 340px; flex-shrink: 0; }
.login-card {
  background: rgba(19,26,33,0.95);
  border: 1px solid #232E39;
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-hover);
}
.login-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; color: var(--text-primary); }
.input-group { margin-bottom: 16px; }
.input-group label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.input-group input {
  width: 100%; height: 44px; padding: 0 14px;
  background: #0E141B;
  border: 1px solid #27313B;
  border-radius: 10px;
  color: var(--text-primary);
}
.input-group input::placeholder { color: #5B6672; }
.input-group input:focus { outline: none; border-color: var(--gold-primary); }
.login-card__links {
  display: flex; justify-content: space-between;
  margin-top: 16px;
  font-size: 13px; color: var(--text-secondary);
}
.login-card__links a { color: var(--text-secondary); transition: color 0.25s var(--ease); }
.login-card__links a:hover { color: var(--gold-light); }
.hero__scroll {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 40px;
  border: 1px solid var(--gold-primary);
  border-radius: 12px;
  display: flex; justify-content: center; padding-top: 6px;
  z-index: 2; opacity: 0.6;
}
.hero__scroll span {
  width: 4px; height: 8px;
  background: var(--gold-primary);
  border-radius: 2px;
  animation: scrollHint 1.8s ease-in-out infinite;
}
@keyframes scrollHint {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.4; }
}
@media (max-width: 1024px) {
  .hero__content { flex-direction: column; gap: 40px; }
  .hero__login-card { width: 100%; max-width: 420px; }
}
@media (max-width: 768px) {
  .hero { padding: 64px 0 64px; min-height: 92vh; }
  .hero h1 { font-size: 40px; }
  .hero__subtitle { font-size: 16px; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 34px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn-primary, .hero__actions .btn-secondary { width: 100%; }
}
.hero__text { animation: fadeUp 0.8s var(--ease) both; }
.hero__login-card { animation: fadeUp 0.8s 0.2s var(--ease) both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 通用区块 */
.section-pad { padding: 88px 0; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head h2 {
  font-size: 36px; font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 48px; height: 2px;
  background: var(--gold-primary);
  border-radius: 2px;
  margin: 18px auto 0;
}
.section-head p { margin-top: 14px; color: var(--text-secondary); font-size: 16px; }
@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
  .section-head h2 { font-size: 28px; }
}

/* 资讯卡片 */
.badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--bg-inset);
  border: 1px solid #2A3944;
  border-radius: 6px;
  font-size: 12px;
  color: #B6BEC6;
  line-height: 1.5;
  transition: border-color 0.25s var(--ease);
}
.news-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.news-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
  z-index: 2;
}
.news-card:hover::before { transform: scaleX(1); }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #4A5765; }
.news-card__cover { overflow: hidden; position: relative; }
.news-card__cover img { transition: transform 0.4s var(--ease); }
.news-card:hover .news-card__cover img { transform: scale(1.02); }
.news-card--large { display: flex; flex-direction: column; }
@media (min-width: 640px) {
  .news-card--large { flex-direction: row; }
  .news-card--large .news-card__cover { width: 50%; flex-shrink: 0; }
  .news-card--large .news-card__body { width: 50%; padding: 32px; display: flex; flex-direction: column; }
}
.news-card__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-card__title { font-size: 20px; font-weight: 700; line-height: 1.35; color: var(--text-primary); transition: color 0.25s var(--ease); }
.news-card--large .news-card__title { font-size: 28px; }
.news-card__title a:hover { color: var(--gold-light); }
.news-card__summary { color: var(--text-secondary); font-size: 14px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.news-card__date { color: var(--text-muted); font-size: 13px; font-feature-settings: "tnum"; }
.news-card__more { color: var(--gold-primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; transition: color 0.25s var(--ease); }
.news-card__more:hover { color: var(--gold-light); }
.news-card__more i { font-size: 12px; }
.news-card--side { display: flex; gap: 16px; padding: 16px; min-height: 0; }
.news-card--side .news-card__cover { width: 108px; height: 86px; flex-shrink: 0; border-radius: 10px; }
.news-card--side .news-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.news-card--side .news-card__body { padding: 0; gap: 6px; justify-content: center; }
.news-card--side .news-card__title { font-size: 16px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card--small .news-card__cover { height: 160px; }
.news-card--small .news-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.news-empty {
  border: 2px dashed #27313B;
  border-radius: var(--radius-md);
  padding: 80px 20px;
  text-align: center;
  background: var(--bg-panel);
}
.news-empty__icon { font-size: 36px; color: var(--text-muted); margin-bottom: 12px; }
.news-empty p { font-size: 18px; font-weight: 600; color: var(--text-secondary); }
.news-empty span { font-size: 14px; color: var(--text-muted); }

/* 流程时间线 */
.process-wrap { position: relative; }
.process-track {
  position: absolute;
  top: 56px; left: 14%; right: 14%;
  height: 2px;
  background: #1C252E;
  z-index: 0;
}
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 1; }
.process-step {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 20px 24px;
  text-align: center;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
html.js .process-step { opacity: 0; transform: translateY(20px); }
html.js .process-step.visible { opacity: 1; transform: translateY(0); }
.process-step:hover { border-color: var(--gold-primary); }
.process-step__dot {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--gold-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
  color: var(--gold-primary);
  position: relative;
  transition: background 0.3s var(--ease);
}
.process-step:hover .process-step__dot { background: rgba(200,168,110,0.12); }
.process-step__text h3 { font-size: 17px; font-weight: 700; color: var(--text-primary); }
.process-step__text p { font-size: 13px; color: var(--text-secondary); margin-top: 8px; line-height: 1.6; }
@media (max-width: 768px) {
  .process-grid { grid-template-columns: 1fr; gap: 0; }
  .process-track { display: none; }
  .process-step {
    display: flex; align-items: flex-start;
    text-align: left; gap: 16px;
    padding: 20px;
    border-radius: 0;
    border-left: none; border-right: none;
    margin-bottom: 0;
  }
  .process-step__dot { margin: 0; flex-shrink: 0; }
  .process-step__dot::after {
    content: '';
    position: absolute;
    top: 56px; left: 50%;
    transform: translateX(-50%);
    width: 2px; height: 40px;
    background: #1C252E;
  }
  .process-step:last-child .process-step__dot::after { display: none; }
  .process-step__text { flex: 1; }
  .process-step__text p { font-size: 14px; }
}

/* 亮点卡片 */
.feature-card {
  position: relative;
  padding: 28px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease), opacity 0.6s var(--ease);
}
html.js .feature-card { opacity: 0; transform: translateY(16px); }
html.js .feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold-primary);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { border-color: #4A5765; transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.feature-card__head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.feature-card__num { font-size: 28px; font-weight: 800; color: rgba(200,168,110,0.35); line-height: 1; font-feature-settings: "tnum"; }
.feature-card__icon { font-size: 26px; color: var(--gold-primary); }
.feature-card h3 { font-size: 19px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* 多端对比 */
.compare-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td {
  padding: 18px 16px;
  text-align: center;
  border-bottom: 1px solid var(--divider-color);
  font-size: 14px;
  vertical-align: middle;
}
.compare-table th {
  background: var(--bg-inset);
  font-weight: 700; color: var(--text-primary);
  white-space: nowrap;
}
.compare-table th:first-child, .compare-table td:first-child {
  text-align: left;
  color: var(--text-secondary);
  white-space: nowrap;
}
.compare-table tr:last-child th, .compare-table tr:last-child td { border-bottom: none; }
.compare-table .check { color: var(--success-green); font-size: 15px; }
.compare-table .dash { color: var(--text-muted); font-size: 14px; }
.compare-table .none { color: #8B96A3; font-size: 14px; }
.badge--gold { background: rgba(200,168,110,0.12); border-color: var(--gold-primary); color: var(--gold-light); }
.compare-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.compare-card:hover { border-color: var(--gold-primary); transform: translateY(-3px); }
.compare-card__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.compare-card__head h4 { font-size: 18px; font-weight: 700; }
.compare-card__list li { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 14px; color: var(--text-secondary); border-bottom: 1px solid #1A232D; }
.compare-card__list li:last-child { border-bottom: none; }
.compare-card__list i { width: 16px; text-align: center; }
.compare-card__list .check { color: var(--success-green); }
.compare-card__list .none { color: var(--text-muted); }
.compare-card__list .dash { color: var(--text-muted); }

/* CTA */
.cta-banner {
  position: relative;
  padding: 64px;
  background-image: url('/assets/images/coverpic/cover-2.webp');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  transition: filter 0.3s var(--ease);
}
.cta-banner:hover { filter: brightness(1.05); }
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(105deg, #0D1218 0%, rgba(13,18,24,0.6) 60%, rgba(200,168,110,0.12) 100%);
}
.cta-banner__content, .cta-banner .btn-primary { position: relative; z-index: 1; }
.cta-banner h2 { font-size: 34px; font-weight: 900; color: var(--text-primary); line-height: 1.3; }
.cta-banner p { margin-top: 12px; font-size: 16px; color: #B6BEC6; max-width: 480px; }
@media (max-width: 768px) {
  .cta-banner { flex-direction: column; padding: 40px 24px; }
  .cta-banner h2 { font-size: 26px; }
  .cta-banner .btn-primary { width: 100%; }
}

/* FAQ */
.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}
.faq-item:hover { border-color: #4A5765; }
.faq-item.open { border-color: rgba(200,168,110,0.4); }
.faq-item__question {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%;
  padding: 22px 24px;
  background: none; border: none;
  text-align: left;
  color: var(--text-primary);
  font-size: 16px; font-weight: 600;
  cursor: pointer;
  line-height: 1.5;
  transition: color 0.25s var(--ease);
}
.faq-item__question:hover { color: var(--gold-light); }
.faq-item__icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px solid var(--gold-primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-primary);
  font-size: 12px;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}
.faq-item.open .faq-item__icon { transform: rotate(45deg); background: rgba(200,168,110,0.1); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
  color: #B6BEC6;
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.open .faq-item__answer { max-height: 500px; padding: 0 24px 22px; }
@media (max-width: 520px) {
  .faq-item__question { font-size: 15px; padding: 18px 16px; }
  .faq-item__answer { padding: 0 16px; }
  .faq-item.open .faq-item__answer { padding: 0 16px 18px; }
}

/* 页脚 */
.site-footer {
  background: #080C10;
  border-top: 1px solid var(--gold-primary);
  margin-top: 88px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 56px 0 48px;
}
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); max-width: 280px; line-height: 1.8; }
.footer-socials { display: flex; gap: 12px; margin-top: 20px; }
.footer-socials a {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--bg-elevated);
  border: 1px solid #232E39;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.25s var(--ease);
}
.footer-socials a:hover { border-color: var(--gold-primary); color: var(--gold-light); transform: translateY(-2px); }
.footer-col h4 {
  font-size: 15px; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: var(--text-secondary); transition: color 0.25s var(--ease); }
.footer-col ul a:hover { color: var(--gold-light); }
.footer-contact li { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { width: 18px; color: var(--gold-primary); }
.footer-qr {
  display: flex; align-items: center; gap: 16px;
  margin-top: 18px;
}
.footer-qr__placeholder {
  width: 96px; height: 96px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid #27313B;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 24px;
}
.footer-qr__placeholder small { font-size: 11px; color: var(--text-muted); }
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .footer-domain { color: var(--text-secondary); }
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 40px 0 32px; }
}

/* 动效与可访问性 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html.js .process-step, html.js .feature-card { opacity: 1; transform: none; }
}

/* roulang page: article */
:root {
  --bg-primary: #0B0F14;
  --bg-panel: #131A21;
  --bg-inner: #182129;
  --bg-dark: #080C10;
  --gold: #C8A86E;
  --gold-light: #E3CB96;
  --text-primary: #E6EAEE;
  --text-secondary: #8B96A3;
  --text-muted: #5B6672;
  --success: #3ECF9E;
  --border: #1C252E;
  --border-light: #202A34;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.40);
  --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button,
input,
textarea {
  font-family: inherit;
}
.container-site {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container-site {
    padding: 0 16px;
  }
}

/* ===== 导航面板 ===== */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 60;
  padding: 0 16px;
  margin-top: 12px;
}
.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(19, 26, 33, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid #232E39;
  border-radius: 18px;
  padding: 10px 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  max-width: 1200px;
  margin: 0 auto;
}
.nav-panel__brand {
  flex-shrink: 0;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--gold);
  color: #0B0F14;
  font-size: 20px;
  font-weight: 900;
  border-radius: 10px;
  line-height: 1;
}
.brand-logo__text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
  line-height: 1.2;
}
.nav-panel__links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #0E141B;
  border: 1px solid #27313B;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: #B6BEC6;
  transition: border-color 0.25s ease, color 0.25s ease, transform 0.2s ease;
  line-height: 1.4;
  white-space: nowrap;
}
.nav-link i {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.25s ease;
}
.nav-link:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}
.nav-link:hover i {
  color: var(--gold);
}
.nav-link.active {
  border-color: var(--gold);
  color: var(--gold-light);
}
.nav-link.active i {
  color: var(--gold);
}
.nav-link.active::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  margin-top: 2px;
}
.nav-panel__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
}
.btn-text:hover {
  color: var(--gold-light);
  background: rgba(200, 168, 110, 0.08);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gold);
  color: #0B0F14;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  padding: 12px 22px;
  cursor: pointer;
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
  box-shadow: 0 4px 16px rgba(200, 168, 110, 0.18);
}
.btn-primary:hover {
  background: var(--gold-light);
  box-shadow: 0 6px 24px rgba(200, 168, 110, 0.30);
  transform: translateY(-2px);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.btn-primary i {
  transition: transform 0.2s ease;
}
.btn-primary:hover i {
  transform: translateX(3px);
}
.btn-primary--sm {
  padding: 9px 18px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid #27313B;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 18px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.nav-toggle:hover {
  border-color: var(--gold);
  color: var(--gold);
}
@media (max-width: 900px) {
  .nav-panel__links {
    display: none;
  }
  .nav-panel__links--open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    background: rgba(19, 26, 33, 0.97);
    backdrop-filter: blur(16px);
    border: 1px solid #232E39;
    border-radius: 16px;
    padding: 12px;
    box-shadow: var(--shadow-hover);
  }
  .nav-panel__links--open .nav-link {
    width: 100%;
    height: 44px;
    justify-content: flex-start;
    display: flex;
    align-items: center;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .nav-panel__actions {
    margin-left: auto;
  }
}
@media (max-width: 480px) {
  .brand-logo__text {
    font-size: 15px;
  }
  .btn-text {
    display: none;
  }
  .nav-panel {
    padding: 8px 12px;
  }
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 28px 0 0;
}
.breadcrumb__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}
.breadcrumb__link:hover {
  color: var(--gold-light);
}
.breadcrumb__sep {
  color: #3E4854;
  font-size: 14px;
}
.breadcrumb__current {
  color: var(--gold);
}
.breadcrumb__title {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 320px;
  display: inline-block;
  vertical-align: bottom;
}

/* ===== 文章头部 ===== */
.article-hero {
  padding: 40px 0 16px;
}
.article-hero__panel {
  position: relative;
  background: linear-gradient(120deg, rgba(19, 26, 33, 0.98) 0%, rgba(11, 15, 20, 0.94) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 56px 56px 44px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.article-hero__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(200, 168, 110, 0.2) 100%);
}
.article-hero__panel::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 168, 110, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.article-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(200, 168, 110, 0.1);
  border: 1px solid rgba(200, 168, 110, 0.4);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.article-hero__title {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.article-hero__desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 24px;
}
.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-muted);
}
.meta-item i {
  font-size: 14px;
  color: var(--gold);
}
@media (max-width: 768px) {
  .article-hero {
    padding-top: 24px;
  }
  .article-hero__panel {
    padding: 36px 24px 28px;
    border-radius: 18px;
  }
  .article-hero__title {
    font-size: 28px;
  }
  .article-hero__meta {
    gap: 12px;
  }
}

/* ===== 文章正文 ===== */
.article-content {
  padding: 24px 0 8px;
}
.article-body {
  max-width: 780px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-primary);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  box-shadow: var(--shadow);
}
.article-body h2 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  margin-top: 44px;
  margin-bottom: 16px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.article-body h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  margin-top: 34px;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.article-body h4 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.article-body p {
  margin-bottom: 24px;
}
.article-body a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 168, 110, 0.3);
  transition: border-color 0.2s ease;
}
.article-body a:hover {
  border-bottom-color: var(--gold-light);
}
.article-body ul,
.article-body ol {
  margin: 0 0 24px;
  padding-left: 22px;
}
.article-body ul li,
.article-body ol li {
  margin-bottom: 8px;
}
.article-body ul li::marker {
  color: var(--gold);
}
.article-body blockquote {
  border-left: 4px solid var(--gold);
  background: var(--bg-inner);
  padding: 16px 22px;
  border-radius: 8px;
  margin: 28px 0;
  color: var(--text-secondary);
  font-style: normal;
}
.article-body blockquote p:last-child {
  margin-bottom: 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
}
.article-body table th {
  background: var(--bg-inner);
  color: var(--text-primary);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border: 1px solid var(--border-light);
}
.article-body table td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.article-body table tr:hover td {
  background: rgba(24, 33, 41, 0.6);
}
.article-body pre {
  background: #0E141B;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 28px 0;
}
.article-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  background: #0E141B;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 14px;
  color: var(--gold-light);
}
.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
  font-size: 14px;
}
.article-body img {
  border-radius: 14px;
  border: 1px solid var(--border);
  max-width: 100%;
  height: auto;
  margin: 28px auto;
}
.article-body img:hover {
  transform: scale(1.02);
  transition: transform 0.3s ease;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
.article-empty {
  text-align: center;
  padding: 80px 24px;
}
.article-empty i {
  font-size: 46px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 16px;
}
.article-empty p {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
@media (max-width: 768px) {
  .article-body {
    padding: 32px 20px;
    border-radius: 16px;
  }
  .article-body h2 {
    font-size: 24px;
  }
}

/* ===== 文章尾部标签 + 返回 ===== */
.article-footer-section {
  padding: 32px 0;
}
.article-footer-panel {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.tag:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}
@media (max-width: 640px) {
  .article-footer-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== 相关推荐 ===== */
.related-posts {
  padding: 32px 0 64px;
}
.section-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}
.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--gold);
}
.section-title-wrap {
  margin-bottom: 28px;
}
.related-posts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.related-card:hover {
  border-color: rgba(200, 168, 110, 0.5);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-card__thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-inner);
}
.related-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-card__thumb img {
  transform: scale(1.04);
}
.related-card__thumb::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.related-card:hover .related-card__thumb::after {
  transform: scaleX(1);
}
.related-card__body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.related-card__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}
.related-card:hover .related-card__title {
  color: var(--gold-light);
}
.related-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: auto;
}
.related-card__meta i {
  color: var(--gold);
  font-size: 13px;
}
@media (max-width: 1024px) {
  .related-posts__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .related-posts__grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(200, 168, 110, 0.3);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 40px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 14px;
  line-height: 1.7;
  max-width: 280px;
}
.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 15px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.footer-socials a:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-block;
}
.footer-col ul a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.footer-contact i {
  color: var(--gold);
  font-size: 14px;
  width: 18px;
  text-align: center;
}
.footer-qr {
  margin-top: 16px;
}
.footer-qr__placeholder {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 140px;
  padding: 12px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: border-color 0.2s ease;
}
.footer-qr__placeholder:hover {
  border-color: rgba(200, 168, 110, 0.4);
}
.footer-qr__placeholder small {
  font-size: 12px;
  color: var(--text-muted);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-domain {
  color: var(--text-secondary);
}
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ===== 动效 ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --bg-base: #0B0F14;
            --bg-panel: #131A21;
            --bg-panel-inner: #182129;
            --bg-input: #0E141B;
            --gold: #C8A86E;
            --gold-light: #E3CB96;
            --text-primary: #E6EAEE;
            --text-secondary: #8B96A3;
            --text-muted: #5B6672;
            --green: #3ECF9E;
            --border: #1C252E;
            --divider: #202A34;
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.40);
            --transition: 220ms ease-out;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--bg-base);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.9;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        ul,
        ol {
            list-style: none;
        }

        input {
            font-family: inherit;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gold);
            color: #0B0F14;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--gold-light);
            box-shadow: 0 8px 24px rgba(200, 168, 110, 0.25);
            transform: translateY(-2px);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .btn-primary i {
            font-size: 14px;
            transition: transform var(--transition);
        }

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

        .btn-primary--sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
        }

        /* ========== 导航面板 ========== */
        .site-header {
            position: sticky;
            top: 14px;
            z-index: 100;
            padding-top: 14px;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            gap: 24px;
            background: rgba(19, 26, 33, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid #232E39;
            border-radius: 18px;
            padding: 10px 18px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .nav-panel__brand {
            flex-shrink: 0;
        }

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

        .brand-logo__icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #C8A86E, #E3CB96);
            color: #0B0F14;
            font-size: 20px;
            font-weight: 900;
            flex-shrink: 0;
        }

        .brand-logo__text {
            color: var(--text-primary);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .nav-panel__links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-input);
            border: 1px solid #27313B;
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 14px;
            color: #B6BEC6;
            transition: all var(--transition);
            position: relative;
            line-height: 1.4;
        }

        .nav-link i {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .nav-link:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            transform: translateY(-1px);
        }

        .nav-link:hover i {
            color: var(--gold);
        }

        .nav-link.active {
            border-color: var(--gold);
            color: var(--gold-light);
            background: rgba(200, 168, 110, 0.08);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .nav-link.active i {
            color: var(--gold);
        }

        .nav-panel__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-text {
            color: #B6BEC6;
            font-size: 14px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .btn-text:hover {
            color: var(--gold-light);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid #27313B;
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .nav-toggle.is-active {
            border-color: var(--gold);
            color: var(--gold);
        }

        @media (max-width: 1024px) {
            .nav-panel {
                gap: 12px;
                flex-wrap: wrap;
            }

            .nav-panel__links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                flex-direction: column;
                gap: 8px;
                background: rgba(19, 26, 33, 0.98);
                border: 1px solid #232E39;
                border-radius: 18px;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                z-index: 99;
            }

            .nav-panel__links.is-open {
                display: flex;
            }

            .nav-panel__links .nav-link {
                width: 100%;
                height: 44px;
                justify-content: center;
            }

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

            .nav-panel__actions .btn-text {
                display: none;
            }

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

        @media (max-width: 480px) {
            .brand-logo__text {
                font-size: 14px;
            }

            .nav-panel {
                padding: 8px 12px;
            }
        }

        /* ========== 文档页 Hero ========== */
        .doc-hero {
            position: relative;
            padding: 72px 0 60px;
            margin-top: 24px;
            background-color: #0D1218;
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .doc-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.95) 0%, rgba(11, 15, 20, 0.82) 55%, rgba(200, 168, 110, 0.12) 100%);
        }

        .doc-hero__inner {
            position: relative;
            z-index: 1;
        }

        .doc-hero__breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .doc-hero__breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .doc-hero__breadcrumb a:hover {
            color: var(--gold);
        }

        .doc-hero__breadcrumb .sep {
            color: var(--text-muted);
        }

        .doc-hero__breadcrumb .current {
            color: var(--gold);
        }

        .doc-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 168, 110, 0.12);
            border: 1px solid rgba(200, 168, 110, 0.35);
            border-radius: var(--radius-xs);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .doc-hero h1 {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 16px;
            max-width: 720px;
        }

        .doc-hero h1 .highlight {
            color: var(--gold);
        }

        .doc-hero__desc {
            font-size: 17px;
            line-height: 1.8;
            color: #B6BEC6;
            max-width: 560px;
            margin-bottom: 24px;
        }

        .doc-hero__meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .doc-hero__meta i {
            color: var(--gold);
            margin-right: 6px;
        }

        @media (max-width: 768px) {
            .doc-hero {
                padding: 48px 0 40px;
                border-radius: 18px;
            }

            .doc-hero h1 {
                font-size: 30px;
                line-height: 1.3;
            }

            .doc-hero__desc {
                font-size: 15px;
            }

            .doc-hero__meta {
                flex-wrap: wrap;
                gap: 10px;
            }
        }

        /* ========== 文档布局 ========== */
        .doc-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 32px;
            margin-top: 40px;
            margin-bottom: 56px;
            align-items: start;
        }

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

            .doc-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .sidebar-card--accent {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 640px) {
            .doc-sidebar {
                grid-template-columns: 1fr;
            }

            .sidebar-card--accent {
                grid-column: auto;
            }
        }

        /* ========== 文档主体区块 ========== */
        .doc-section {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px;
            position: relative;
            transition: border-color var(--transition);
        }

        .doc-section:hover {
            border-color: #2A3540;
        }

        .doc-section+.doc-section {
            margin-top: 28px;
        }

        .section-title {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 28px;
        }

        .section-title__index {
            font-size: 32px;
            font-weight: 900;
            color: rgba(200, 168, 110, 0.35);
            line-height: 1;
            letter-spacing: -0.02em;
            flex-shrink: 0;
            font-feature-settings: "tnum";
        }

        .section-title__text h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }

        .section-title__text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 520px;
        }

        @media (max-width: 640px) {
            .doc-section {
                padding: 24px 20px;
                border-radius: 16px;
            }

            .section-title {
                flex-direction: column;
                gap: 8px;
            }

            .section-title__index {
                font-size: 28px;
            }
        }

        /* ========== 登录方式网格 ========== */
        .login-method-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .method-card {
            background: var(--bg-panel-inner);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition);
            position: relative;
        }

        .method-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 20px;
            right: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .method-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: #2A3540;
        }

        .method-card:hover::before {
            opacity: 1;
        }

        .method-card__icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 168, 110, 0.1);
            border: 1px solid rgba(200, 168, 110, 0.25);
            border-radius: 10px;
            color: var(--gold);
            font-size: 17px;
            margin-bottom: 14px;
        }

        .method-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .method-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .method-card__tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--gold-light);
            background: rgba(200, 168, 110, 0.08);
            border: 1px solid rgba(200, 168, 110, 0.2);
            border-radius: 999px;
            padding: 2px 10px;
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .login-method-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 密码找回流程 ========== */
        .recovery-steps {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .recovery-step {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            position: relative;
        }

        .recovery-step+.recovery-step {
            border-top: 1px solid var(--divider);
        }

        .recovery-step__num {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-input);
            border: 1px solid var(--gold);
            border-radius: 50%;
            font-size: 16px;
            font-weight: 700;
            color: var(--gold);
            font-feature-settings: "tnum";
            position: relative;
            z-index: 1;
        }

        .recovery-step__content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .recovery-step__content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        @media (max-width: 640px) {
            .recovery-step {
                gap: 14px;
            }

            .recovery-step__num {
                width: 38px;
                height: 38px;
                font-size: 14px;
            }
        }

        /* ========== 账号安全建议 ========== */
        .security-list {
            display: flex;
            flex-direction: column;
        }

        .security-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
        }

        .security-item+.security-item {
            border-top: 1px solid var(--divider);
        }

        .security-item__icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(62, 207, 158, 0.08);
            border: 1px solid rgba(62, 207, 158, 0.2);
            border-radius: 9px;
            color: var(--green);
            font-size: 15px;
        }

        .security-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 3px;
            line-height: 1.4;
        }

        .security-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        @media (max-width: 640px) {
            .security-item {
                gap: 12px;
                padding: 14px 0;
            }
        }

        /* ========== 侧边栏 ========== */
        .sidebar-card {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 16px;
            transition: border-color var(--transition);
        }

        .sidebar-card:hover {
            border-color: #2A3540;
        }

        .sidebar-card>h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.4;
        }

        .sidebar-card>h3 i {
            color: var(--gold);
            font-size: 14px;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 9px 12px;
            border-radius: 8px;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.5;
        }

        .sidebar-nav a::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--text-muted);
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .sidebar-nav a:hover {
            color: var(--gold-light);
            background: rgba(200, 168, 110, 0.05);
        }

        .sidebar-nav a.active {
            color: var(--gold-light);
            background: rgba(200, 168, 110, 0.08);
            border-color: rgba(200, 168, 110, 0.2);
        }

        .sidebar-nav a.active::before {
            background: var(--gold);
        }

        .entry-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px;
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 8px;
            transition: all var(--transition);
            background: var(--bg-panel-inner);
        }

        .entry-card:last-child {
            margin-bottom: 0;
        }

        .entry-card:hover {
            border-color: var(--gold);
            transform: translateX(3px);
            box-shadow: var(--shadow-sm);
        }

        .entry-card img {
            width: 52px;
            height: 52px;
            object-fit: cover;
            border-radius: 9px;
            flex-shrink: 0;
            background: var(--bg-input);
        }

        .entry-card span {
            display: block;
            min-width: 0;
        }

        .entry-card strong {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.4;
        }

        .entry-card small {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.5;
        }

        .sidebar-card--accent {
            background: linear-gradient(160deg, #131A21 0%, #15130F 100%);
            border-color: rgba(200, 168, 110, 0.2);
            position: relative;
            overflow: hidden;
        }

        .sidebar-card--accent::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gold);
            opacity: 0.7;
        }

        .sidebar-card--accent p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.75;
        }

        /* ========== 文档 CTA ========== */
        .doc-cta {
            background-color: #0D1218;
            background-size: cover;
            background-position: center;
            position: relative;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 0;
            overflow: hidden;
            margin-bottom: 56px;
        }

        .doc-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 15, 20, 0.95) 30%, rgba(11, 15, 20, 0.7) 100%);
        }

        .doc-cta__inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            padding: 48px 48px;
            flex-wrap: wrap;
        }

        .doc-cta__text h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .doc-cta__text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .doc-cta__action {
            flex-shrink: 0;
        }

        @media (max-width: 640px) {
            .doc-cta__inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
                gap: 20px;
            }

            .doc-cta__text h2 {
                font-size: 22px;
            }

            .doc-cta__action .btn-primary {
                width: 100%;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #080C10;
            border-top: 1px solid rgba(200, 168, 110, 0.3);
            padding: 56px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 14px;
            line-height: 1.75;
            max-width: 280px;
        }

        .footer-socials {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-socials a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: 9px;
            color: var(--text-secondary);
            font-size: 15px;
            transition: all var(--transition);
        }

        .footer-socials a:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
            line-height: 1.6;
        }

        .footer-col ul a:hover {
            color: var(--gold);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .footer-contact li i {
            color: var(--gold);
            width: 16px;
            font-size: 13px;
        }

        .footer-qr {
            margin-top: 14px;
        }

        .footer-qr__placeholder {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-panel);
            border: 1px dashed var(--border);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-qr__placeholder i {
            font-size: 22px;
            color: var(--gold);
        }

        .footer-qr__placeholder small {
            font-size: 12px;
            display: block;
            line-height: 1.4;
        }

        .footer-bottom {
            border-top: 1px solid var(--divider);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-domain {
            color: var(--text-secondary);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

        /* ========== 动效 ========== */
        .doc-hero__inner>* {
            animation: fadeUp 0.6s ease-out both;
        }

        .doc-hero__inner>*:nth-child(2) {
            animation-delay: 0.1s;
        }

        .doc-hero__inner>*:nth-child(3) {
            animation-delay: 0.2s;
        }

        .doc-hero__inner>*:nth-child(4) {
            animation-delay: 0.3s;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category2 */
:root {
  --bg: #0B0F14;
  --surface: #131A21;
  --surface-2: #182129;
  --surface-3: #0E141B;
  --gold: #C8A86E;
  --gold-light: #E3CB96;
  --text: #E6EAEE;
  --text-sub: #8B96A3;
  --text-weak: #5B6672;
  --border: #1C252E;
  --divider: #202A34;
  --success: #3ECF9E;
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 8px 24px rgba(0,0,0,0.25);
  --shadow-hover: 0 16px 40px rgba(0,0,0,0.40);
  --ease: 220ms ease-out;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 220ms ease-out; }
button { font-family: inherit; cursor: pointer; }
ul, ol { padding-left: 1.4em; }
.container-site { max-width: 1260px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* ===== Header / Nav ===== */
.site-header { position: relative; z-index: 50; padding: 18px 0 0; }
.nav-panel {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px;
  background: rgba(19,26,33,0.92);
  backdrop-filter: blur(12px);
  border: 1px solid #232E39;
  border-radius: 18px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
}
.brand-logo { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--gold); color: #0B0F14;
  font-weight: 900; font-size: 19px; flex-shrink: 0;
}
.brand-logo__text { font-weight: 800; font-size: 18px; letter-spacing: -0.01em; white-space: nowrap; }
.nav-panel__links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-3);
  border: 1px solid #27313B;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  transition: border-color 220ms ease-out, color 220ms ease-out, transform 220ms ease-out;
}
.nav-link i { font-size: 14px; color: var(--gold); opacity: 0.8; }
.nav-link:hover { color: var(--gold-light); border-color: var(--gold); transform: translateY(-1px); }
.nav-link.active { color: var(--gold-light); border-color: var(--gold); background: #1B242E; }
.nav-link.active i { opacity: 1; }
.nav-panel__actions { display: flex; align-items: center; gap: 12px; }
.btn-text { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--text-sub); padding: 8px 10px; border-radius: 10px; transition: color 220ms ease-out, background 220ms ease-out; }
.btn-text:hover { color: var(--gold-light); background: rgba(200,168,110,0.08); }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--gold); color: #0B0F14;
  border-radius: 10px; border: 1px solid transparent;
  font-weight: 700; font-size: 15px;
  height: 46px; padding: 0 24px;
  transition: all 220ms ease-out;
}
.btn-primary:hover { background: var(--gold-light); box-shadow: 0 8px 20px rgba(200,168,110,0.35); transform: translateY(-2px); }
.btn-primary i { transition: transform 220ms ease-out; }
.btn-primary:hover i { transform: translateX(3px); }
.btn-primary--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--text);
  border: 1px solid #3A4654;
  border-radius: 10px;
  font-weight: 600; font-size: 15px;
  height: 46px; padding: 0 24px;
  transition: all 220ms ease-out;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-light); transform: translateY(-2px); }
.nav-toggle { display: none; background: transparent; border: 1px solid #27313B; color: var(--text-sub); width: 42px; height: 42px; border-radius: 10px; font-size: 18px; align-items: center; justify-content: center; }

/* ===== Category Hero ===== */
.cat-hero {
  position: relative;
  margin-top: 18px;
  min-height: 380px;
  border-radius: 24px;
  overflow: hidden;
  display: flex; align-items: center;
  padding: 64px 0;
  background: linear-gradient(90deg, rgba(11,15,20,0.93) 0%, rgba(11,15,20,0.75) 55%, rgba(11,15,20,0.45) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border: 1px solid var(--border);
}
.cat-hero__tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,168,110,0.12);
  border: 1px solid rgba(200,168,110,0.4);
  color: var(--gold-light);
  font-size: 13px; font-weight: 600;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.cat-hero h1 {
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.cat-hero h1 .gold-inline { color: var(--gold); }
.cat-hero p.lead {
  color: #B6BEC6; font-size: 17px; max-width: 620px; margin-bottom: 32px;
}
.cat-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ===== Troubleshoot section ===== */
.section-block { padding: 80px 0; }
.section-head { margin-bottom: 48px; }
.section-head__tag { display: block; color: var(--gold); font-size: 14px; font-weight: 600; letter-spacing: 0.04em; margin-bottom: 10px; }
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 14px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 640px;
  margin: 0;
}
.gold-line { width: 48px; height: 2px; background: var(--gold); border-radius: 2px; margin-top: 14px; }

.trouble-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 28px; align-items: start; }
.trouble-cards { display: flex; flex-direction: column; gap: 20px; }
.trouble-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: 16px;
  padding: 28px 30px;
  transition: transform 220ms ease-out, box-shadow 220ms ease-out, border-color 220ms ease-out;
  position: relative;
  overflow: hidden;
}
.trouble-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-left-color: var(--gold-light); }
.trouble-card__num {
  font-size: 42px; font-weight: 900; color: rgba(200,168,110,0.22);
  line-height: 1; margin-bottom: 10px; font-feature-settings: "tnum";
  transition: color 220ms ease-out;
}
.trouble-card:hover .trouble-card__num { color: rgba(200,168,110,0.55); }
.trouble-card h3 { font-size: 19px; font-weight: 700; margin: 0 0 12px; }
.trouble-card p { color: var(--text-sub); font-size: 14px; margin: 0 0 14px; }
.trouble-card ol { margin: 8px 0 0; color: var(--text-sub); font-size: 14px; }
.trouble-card li { margin-bottom: 6px; }
.trouble-card li::marker { color: var(--gold); }

/* ===== Help sidebar ===== */
.help-card {
  background: var(--surface);
  border: 1px solid #2A3944;
  border-radius: 20px;
  padding: 32px 26px;
  position: sticky; top: 24px;
}
.help-card__icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(200,168,110,0.12);
  border: 1px solid rgba(200,168,110,0.35);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 22px; margin-bottom: 16px;
}
.help-card h3 { font-size: 20px; font-weight: 800; margin: 0 0 8px; }
.help-card p { color: var(--text-sub); font-size: 14px; margin: 0 0 22px; }
.help-list { list-style: none; padding: 0; margin: 0 0 24px; }
.help-list li { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--divider); color: var(--text-sub); font-size: 14px; }
.help-list li i { color: var(--gold); width: 18px; text-align: center; }
.help-list li span { word-break: break-all; }
.help-links { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.help-links a {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface-3); border: 1px solid #27313B;
  border-radius: 10px; padding: 12px 14px;
  font-size: 14px; color: var(--text);
  transition: border-color 220ms ease-out, color 220ms ease-out;
}
.help-links a i { color: var(--gold); font-size: 13px; }
.help-links a:hover { border-color: var(--gold); color: var(--gold-light); }
.help-qr { margin-top: 22px; }
.help-qr img { width: 96px; height: 96px; border-radius: 12px; border: 1px solid #27313B; padding: 6px; background: #fff; }
.help-qr small { display: block; color: var(--text-weak); font-size: 12px; margin-top: 8px; }

/* ===== Checklist ===== */
.checklist-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.check-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px 28px;
  transition: transform 220ms ease-out, box-shadow 220ms ease-out, border-color 220ms ease-out;
}
.check-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #4A5765; }
.check-card__icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid #2A3944;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 18px; margin-bottom: 18px;
}
.check-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.check-card p { color: var(--text-sub); font-size: 14px; margin: 0; }

/* ===== Announcements ===== */
.announce-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px 40px;
}
.announce-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.announce-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface-3);
  border: 1px solid #232E39;
  border-radius: 14px; padding: 18px 20px;
  transition: border-color 220ms ease-out, transform 220ms ease-out;
}
.announce-item:hover { border-color: var(--gold); transform: translateY(-2px); }
.announce-item i { font-size: 20px; color: var(--gold); }
.announce-item span { font-size: 14px; font-weight: 600; color: var(--text); }
.announce-item small { display: block; font-size: 12px; color: var(--text-weak); margin-top: 3px; }

/* ===== CTA Banner ===== */
.cta-banner {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  padding: 70px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  background: linear-gradient(100deg, rgba(11,15,20,0.96) 0%, rgba(13,18,24,0.88) 100%), url('/assets/images/coverpic/cover-10.webp') center/cover no-repeat;
  border: 1px solid #2A3944;
}
.cta-banner::before { content: ""; position: absolute; left: 0; top: 20px; bottom: 20px; width: 4px; border-radius: 4px; background: var(--gold); }
.cta-banner h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 900; letter-spacing: -0.01em; margin: 0 0 12px; }
.cta-banner p { color: #B6BEC6; font-size: 15px; margin: 0; max-width: 520px; }
.cta-banner__action { flex-shrink: 0; }
.cta-banner .btn-primary { min-width: 220px; height: 52px; font-size: 16px; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 220ms ease-out;
}
.faq-item.open { border-color: #3A4654; }
.faq-item__question {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  width: 100%; background: transparent; border: none; text-align: left;
  padding: 22px 26px; color: var(--text); font-size: 16px; font-weight: 600;
  transition: color 220ms ease-out;
}
.faq-item__question:hover { color: var(--gold-light); }
.faq-item__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid #34404D; color: var(--gold);
  font-size: 14px; flex-shrink: 0;
  transition: transform 300ms ease-out, border-color 220ms ease-out;
}
.faq-item.open .faq-item__icon { transform: rotate(45deg); border-color: var(--gold); }
.faq-item__body { max-height: 0; overflow: hidden; transition: max-height 300ms ease-out; }
.faq-item__inner { padding: 0 26px 24px; color: #B6BEC6; font-size: 14px; line-height: 1.9; }

/* ===== Footer ===== */
.site-footer {
  margin-top: 80px;
  background: #080C10;
  border-top: 1px solid rgba(200,168,110,0.25);
  padding-top: 64px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 44px; }
.footer-brand p { color: var(--text-sub); font-size: 14px; margin: 18px 0 20px; max-width: 320px; }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--surface-3); border: 1px solid #232E39;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-sub); font-size: 16px;
  transition: all 220ms ease-out;
}
.footer-socials a:hover { border-color: var(--gold); color: var(--gold-light); transform: translateY(-2px); }
.footer-col h4 { color: var(--text); font-size: 15px; font-weight: 700; margin: 8px 0 18px; letter-spacing: 0.02em; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: var(--text-sub); font-size: 14px; transition: color 220ms ease-out; }
.footer-col ul a:hover { color: var(--gold-light); }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: var(--text-sub); font-size: 14px; }
.footer-contact li i { color: var(--gold); width: 16px; text-align: center; }
.footer-qr { margin-top: 20px; }
.footer-qr__placeholder {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  width: 96px; height: 96px; border-radius: 12px;
  border: 1px dashed #3A4654; color: var(--text-weak);
  background: var(--surface-3);
}
.footer-qr__placeholder i { font-size: 24px; margin-bottom: 4px; }
.footer-qr__placeholder small { font-size: 11px; }
.footer-bottom {
  border-top: 1px solid var(--divider);
  padding: 22px 0 26px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--text-weak); font-size: 13px;
}
.footer-domain { color: var(--text-sub); }

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms ease-out, transform 600ms ease-out; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-panel__links { gap: 6px; }
  .nav-link { padding: 8px 10px; font-size: 13px; }
  .trouble-grid { grid-template-columns: 1fr; }
  .help-card { position: static; }
  .checklist-grid { grid-template-columns: repeat(2, 1fr); }
  .announce-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .container-site { padding-left: 16px; padding-right: 16px; }
  .site-header { padding: 12px 0 0; }
  .nav-panel { flex-wrap: wrap; }
  .nav-panel__links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 10px;
    border-top: 1px solid var(--divider);
    margin-top: 6px;
  }
  .nav-panel__links.open { display: flex; }
  .nav-link, .nav-link.active { width: 100%; padding: 12px 16px; justify-content: flex-start; min-height: 44px; }
  .nav-panel__actions { margin-left: auto; }
  .nav-panel__actions .btn-text { display: none; }
  .nav-toggle { display: inline-flex; }
  .cat-hero { min-height: 340px; padding: 44px 0; }
  .cat-hero h1 { font-size: 34px; }
  .section-block { padding: 56px 0; }
  .trouble-card { padding: 22px; }
  .checklist-grid { grid-template-columns: 1fr; }
  .announce-grid { grid-template-columns: 1fr; }
  .announce-panel { padding: 28px 22px; }
  .cta-banner { flex-direction: column; padding: 44px 28px; align-items: flex-start; }
  .cta-banner__action { width: 100%; }
  .cta-banner .btn-primary { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 32px; }
}

@media (max-width: 520px) {
  .brand-logo__text { font-size: 15px; }
  .brand-logo__icon { width: 34px; height: 34px; font-size: 16px; }
  .btn-primary--sm { padding: 0 14px; font-size: 13px; height: 38px; }
  .cat-hero__actions .btn-primary, .cat-hero__actions .btn-ghost { width: 100%; }
  .cat-hero p.lead { font-size: 15px; }
  .trouble-card__num { font-size: 34px; }
  .faq-item__question { padding: 18px 18px; font-size: 15px; }
  .faq-item__inner { padding: 0 18px 18px; }
  .footer-bottom { flex-direction: column; gap: 4px; text-align: center; }
}

/* roulang page: category3 */
:root {
  --bg-night: #0B0F14;
  --bg-panel: #131A21;
  --bg-panel2: #182129;
  --bg-inner: #0E141B;
  --gold: #C8A86E;
  --gold-light: #E3CB96;
  --text-main: #E6EAEE;
  --text-muted: #8B96A3;
  --text-faint: #5B6672;
  --border-color: #1C252E;
  --border-2: #202A34;
  --border-3: #27313B;
  --ok: #3ECF9E;
  --danger: #D96C5C;
  --radius-panel: 24px;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-badge: 6px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.25);
  --shadow-hover: 0 16px 40px rgba(0,0,0,0.40);
  --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background-color: var(--bg-night);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}
.container-site {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container-site {
    padding: 0 16px;
  }
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 12px;
  z-index: 100;
  padding: 0 16px;
}
.nav-panel {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  background: rgba(19, 26, 33, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid #232E39;
  border-radius: 18px;
  padding: 0 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.nav-panel__brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-logo__icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #0B0F14;
  font-size: 20px;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(200, 168, 110, 0.25);
}
.brand-logo__text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-main);
  white-space: nowrap;
}
.nav-panel__links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-inner);
  border: 1px solid var(--border-3);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.25s ease-out;
  white-space: nowrap;
}
.nav-link i {
  font-size: 14px;
  color: var(--text-faint);
  transition: color 0.25s ease-out;
}
.nav-link:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-1px);
}
.nav-link:hover i {
  color: var(--gold);
}
.nav-link.active {
  border-color: var(--gold);
  color: var(--gold-light);
  box-shadow: inset 0 -2px 0 var(--gold);
}
.nav-link.active i {
  color: var(--gold);
}
.nav-panel__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 10px;
  transition: color 0.25s ease-out, background 0.25s ease-out;
}
.btn-text:hover {
  color: var(--gold-light);
  background: rgba(200, 168, 110, 0.08);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: #0B0F14;
  font-size: 15px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 10px;
  transition: all 0.25s ease-out;
  box-shadow: 0 4px 16px rgba(200, 168, 110, 0.25);
}
.btn-primary:hover {
  background: var(--gold-light);
  box-shadow: 0 8px 24px rgba(200, 168, 110, 0.35);
  transform: translateY(-2px);
}
.btn-primary--sm {
  padding: 9px 18px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-3);
  background: var(--bg-inner);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s ease-out;
}
.nav-toggle:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}
@media (max-width: 900px) {
  .nav-panel {
    flex-wrap: wrap;
    height: auto;
    padding: 12px;
    gap: 10px;
  }
  .nav-panel__links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 6px;
  }
  .nav-panel__links.is-open {
    display: flex;
  }
  .nav-link {
    width: 100%;
    height: 44px;
    justify-content: flex-start;
  }
  .nav-panel__actions {
    margin-left: auto;
  }
  .nav-toggle {
    display: inline-flex;
  }
}
@media (max-width: 520px) {
  .brand-logo__text {
    font-size: 15px;
  }
  .nav-panel__actions .btn-text {
    display: none;
  }
  .nav-panel__actions {
    margin-left: 0;
  }
}

/* ========== Page Hero ========== */
.page-hero {
  position: relative;
  padding: 80px 0 60px;
  background-size: cover;
  background-position: center;
  background-color: #0D1218;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 20, 0.72);
  z-index: 1;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 20%, #0B0F14 100%);
  z-index: 1;
}
.page-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  max-width: 820px;
  margin: 0 auto;
  padding-top: 40px;
  padding-bottom: 40px;
}
.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(200, 168, 110, 0.12);
  border: 1px solid rgba(200, 168, 110, 0.35);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.02em;
}
.page-hero h1 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}
.page-hero h1 .gold {
  color: var(--gold);
}
.page-hero__desc {
  font-size: 17px;
  line-height: 1.8;
  color: #B6BEC6;
  max-width: 580px;
}
.page-hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border: 1px solid var(--border-3);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  transition: all 0.25s ease-out;
  background: rgba(14, 20, 27, 0.5);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}
@media (max-width: 768px) {
  .page-hero {
    padding: 60px 0 40px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero__desc {
    font-size: 15px;
  }
}

/* ========== Section common ========== */
.section {
  padding: 72px 0;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(200, 168, 110, 0.1);
  border: 1px solid rgba(200, 168, 110, 0.25);
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 16px auto 0;
  border-radius: 2px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 12px;
}
@media (max-width: 640px) {
  .section {
    padding: 48px 0;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .section-head p {
    font-size: 14px;
  }
}

/* ========== Download Section ========== */
.download-section {
  padding: 72px 0;
  background: var(--bg-night);
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.download-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-panel);
  padding: 28px;
  transition: all 0.3s ease-out;
  position: relative;
  overflow: hidden;
}
.download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s ease-out;
}
.download-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(200, 168, 110, 0.5);
}
.download-card:hover::before {
  opacity: 1;
}
.download-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.download-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--bg-inner);
  border: 1px solid var(--border-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 20px;
  transition: all 0.3s ease-out;
}
.download-card:hover .download-card__icon {
  border-color: var(--gold);
  color: var(--gold-light);
  box-shadow: 0 0 20px rgba(200, 168, 110, 0.15);
}
.download-card__tag {
  display: inline-flex;
  padding: 4px 10px;
  background: rgba(200, 168, 110, 0.12);
  border: 1px solid rgba(200, 168, 110, 0.35);
  color: var(--gold-light);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.download-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.download-card__version {
  font-size: 14px;
  color: var(--text-faint);
  font-feature-settings: "tnum";
  margin-bottom: 14px;
}
.download-card__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.download-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.download-card__qr {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background: var(--bg-inner);
  border: 1px solid var(--border-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-faint);
  font-size: 20px;
}
.download-card__qr small {
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--gold);
  color: #0B0F14;
  font-size: 14px;
  font-weight: 700;
  transition: all 0.25s ease-out;
  box-shadow: 0 4px 16px rgba(200, 168, 110, 0.2);
}
.btn-download:hover {
  background: var(--gold-light);
  transform: translateX(3px);
  box-shadow: 0 8px 24px rgba(200, 168, 110, 0.3);
}
.btn-api {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid var(--border-3);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s ease-out;
}
.btn-api:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateX(3px);
}
@media (max-width: 768px) {
  .download-grid {
    grid-template-columns: 1fr;
  }
  .download-card {
    padding: 20px;
  }
}

/* ========== Quick Issues ========== */
.quick-issues {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.issues-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.issue-card {
  position: relative;
  background: var(--bg-panel2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 22px;
  transition: all 0.3s ease-out;
  overflow: hidden;
}
.issue-card::after {
  content: '0' attr(data-index);
  position: absolute;
  right: 16px;
  bottom: 4px;
  font-size: 42px;
  font-weight: 900;
  color: rgba(200, 168, 110, 0.08);
  line-height: 1;
  pointer-events: none;
  font-feature-settings: "tnum";
}
.issue-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.issue-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(14, 20, 27, 0.8);
  border: 1px solid var(--border-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 17px;
  margin-bottom: 14px;
}
.issue-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}
.issue-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}
.issue-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-light);
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.3s ease-out;
}
.issue-card:hover .issue-card__link {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 768px) {
  .issues-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}
@media (max-width: 520px) {
  .issues-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg-night);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s ease-out;
}
.faq-item:hover {
  border-color: rgba(200, 168, 110, 0.35);
}
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: color 0.3s ease-out;
  background: transparent;
}
.faq-item__question i {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform 0.35s ease-out, border-color 0.3s ease-out;
}
.faq-item.is-open .faq-item__question {
  color: var(--gold-light);
}
.faq-item.is-open .faq-item__question i {
  transform: rotate(45deg);
  border-color: var(--gold);
}
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}
.faq-item__answer-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ========== CTA Banner ========== */
.cta-banner {
  padding: 0;
  background: var(--bg-night);
}
.cta-banner__inner {
  position: relative;
  background: linear-gradient(135deg, #0D1218 0%, #131A21 50%, rgba(200, 168, 110, 0.08) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-panel);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  overflow: hidden;
}
.cta-banner__inner::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--gold), transparent);
}
.cta-banner__text h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.cta-banner__text p {
  font-size: 15px;
  color: var(--text-muted);
}
.btn-primary--lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: 12px;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .cta-banner__inner {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
  }
  .cta-banner__text h2 {
    font-size: 24px;
  }
}

/* ========== Footer ========== */
.site-footer {
  background: #080C10;
  border-top: 1px solid rgba(200, 168, 110, 0.25);
  margin-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding: 56px 0 40px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 16px 0 20px;
  max-width: 300px;
}
.footer-socials {
  display: flex;
  gap: 10px;
}
.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-3);
  background: var(--bg-inner);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 15px;
  transition: all 0.25s ease-out;
}
.footer-socials a:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.25s ease-out, padding-left 0.25s ease-out;
}
.footer-col ul li a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}
.footer-contact li {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-contact li i {
  color: var(--gold);
  font-size: 14px;
  width: 16px;
  text-align: center;
}
.footer-qr {
  margin-top: 16px;
}
.footer-qr__placeholder {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-inner);
  border: 1px solid var(--border-3);
  border-radius: 12px;
  color: var(--text-faint);
  font-size: 24px;
}
.footer-qr__placeholder small {
  font-size: 12px;
  color: var(--text-faint);
}
.footer-bottom {
  border-top: 1px solid var(--border-2);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.footer-domain {
  color: var(--text-muted);
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    padding: 40px 0 24px;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0 16px;
  }
  .footer-brand p {
    max-width: 100%;
  }
}

/* ========== Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}