/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --color-ink: #17150F;
  --color-card: #211E18;
  --color-card-light: #2A261E;
  --color-paper: #F3EFE6;
  --color-amber: #E0A63E;
  --color-amber-bright: #F0B84E;
  --color-teal: #2F5F4D;
  --color-teal-dark: #24493B;
  --color-bg-light: #FAF8F2;
  --color-muted: rgba(243, 239, 230, 0.65);
  --color-muted-dark: rgba(23, 21, 15, 0.58);
  --color-border: rgba(224, 166, 62, 0.25);
  --color-border-light: rgba(243, 239, 230, 0.12);
  --color-danger: #C4453C;
  --color-success: #3E7C5A;
  --radius-sm: 6px;
  --radius-card: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 12px 28px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.45), 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-light: 0 8px 24px rgba(23, 21, 15, 0.08);
  --shadow-amber: 0 0 0 1px rgba(224, 166, 62, 0.45), 0 8px 30px rgba(224, 166, 62, 0.12);
  --font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --container-w: 1200px;
  --header-h: 72px;
}
/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-ink);
  color: var(--color-paper);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-amber); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--color-amber-bright); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 64px 0; }
.text-amber { color: var(--color-amber); }
.text-center { text-align: center; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  padding: 14px 32px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.28s ease;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--color-amber);
  color: #1A150E;
  border-color: var(--color-amber);
  box-shadow: 0 6px 20px rgba(224, 166, 62, 0.3);
}
.btn-primary:hover {
  background: var(--color-amber-bright);
  border-color: var(--color-amber-bright);
  color: #1A150E;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(224, 166, 62, 0.38);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(224, 166, 62, 0.25); }
.btn-outline {
  background: transparent;
  color: var(--color-paper);
  border-color: rgba(243, 239, 230, 0.5);
}
.btn-outline:hover {
  border-color: var(--color-amber);
  color: var(--color-amber-bright);
  background: rgba(224, 166, 62, 0.08);
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--color-card);
  color: var(--color-paper);
  border-color: rgba(243, 239, 230, 0.18);
}
.btn-dark:hover {
  border-color: var(--color-amber);
  color: var(--color-amber-bright);
  background: var(--color-card-light);
}
.btn-lg { padding: 16px 42px; font-size: 17px; }
.btn-block { width: 100%; }

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(23, 21, 15, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(243, 239, 230, 0.07);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(23, 21, 15, 0.95);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}
.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.nav-left, .nav-right { display: flex; align-items: center; flex: 1; }
.nav-right { justify-content: flex-end; }
.nav-left ul, .nav-right ul { display: flex; align-items: center; gap: 32px; }
.nav-left li, .nav-right li { line-height: 1; }
.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-paper);
  padding: 8px 0;
  position: relative;
  transition: color 0.25s ease;
  letter-spacing: 0.01em;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--color-amber);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}
.nav-link:hover { color: var(--color-amber); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--color-amber); }
.nav-link.active::after { transform: scaleX(1); }
.site-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.15;
  padding: 0 12px;
  font-weight: 900;
  font-size: 22px;
  color: var(--color-paper);
  letter-spacing: 0.06em;
  transition: color 0.3s ease;
}
.site-logo:hover { color: var(--color-amber-bright); }
.site-logo .logo-cn { font-weight: 900; }
.site-logo .logo-cn .highlight { color: var(--color-amber); }
.site-logo .logo-en {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--color-muted);
  margin-top: 2px;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  z-index: 1101;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-paper);
  margin-bottom: 5px;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger span:last-child { margin-bottom: 0; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(23, 21, 15, 0.98);
  z-index: 1100;
  padding-top: 90px;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-paper);
  padding: 16px 24px;
  width: 100%;
  text-align: center;
  transition: all 0.25s ease;
  border-bottom: 1px solid rgba(243, 239, 230, 0.06);
}
.mobile-menu a:hover { color: var(--color-amber); background: rgba(224, 166, 62, 0.06); }
.mobile-menu a.active { color: var(--color-amber); }

/* ========== Hero ========== */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 40px) 0 80px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 21, 15, 0.90) 0%, rgba(23, 21, 15, 0.72) 50%, rgba(23, 21, 15, 0.94) 100%);
  z-index: 1;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, transparent 0%, rgba(23, 21, 15, 0.92) 100%);
  z-index: 2;
}
.hero-inner {
  position: relative;
  z-index: 3;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}
.hero-content { max-width: 720px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-amber);
  background: rgba(224, 166, 62, 0.12);
  border: 1px solid rgba(224, 166, 62, 0.35);
  border-radius: 40px;
  padding: 7px 18px;
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero-title {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 900;
  color: var(--color-paper);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.hero-title .text-amber { color: var(--color-amber); }
.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(243, 239, 230, 0.14);
}
.hero-stat strong {
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: var(--color-amber);
  line-height: 1.2;
}
.hero-stat span {
  display: block;
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 4px;
}

/* ========== 亮点板块 ========== */
.highlights-section {
  background: var(--color-ink);
  padding: 100px 0;
}
.section-header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-amber);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: 34px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-paper);
  margin-bottom: 14px;
}
.section-desc {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.8;
}
.highlights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 0.8fr;
  grid-template-rows: auto auto;
  gap: 24px;
  align-items: stretch;
}
.hl-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 320px;
  background: var(--color-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border: 1px solid rgba(243, 239, 230, 0.06);
}
.hl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-border);
}
.hl-card .hl-img { position: absolute; inset: 0; overflow: hidden; }
.hl-card .hl-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.hl-card:hover .hl-img img { transform: scale(1.05); }
.hl-card .hl-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 21, 15, 0.1) 0%, rgba(23, 21, 15, 0.55) 55%, rgba(23, 21, 15, 0.92) 100%);
  z-index: 1;
}
.hl-card .hl-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  z-index: 2;
}
.hl-card .hl-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-amber);
  background: rgba(224, 166, 62, 0.14);
  border: 1px solid rgba(224, 166, 62, 0.3);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 12px;
}
.hl-card .hl-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-paper);
  margin-bottom: 8px;
  line-height: 1.4;
}
.hl-card .hl-desc {
  font-size: 14px;
  color: rgba(243, 239, 230, 0.75);
  line-height: 1.7;
}
.hl-card.hl-wide { grid-column: span 1; }
.hl-card.hl-tall { grid-row: span 2; min-height: 664px; }
.hl-card.hl-primary { grid-column: span 2; }

/* ========== 时间线 ========== */
.schedule-section {
  background: #1D1A13;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.schedule-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(180deg, var(--color-ink) 0%, transparent 100%);
}
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.schedule-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 6%;
  right: 6%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-amber), var(--color-teal));
  opacity: 0.4;
  border-radius: 2px;
}
.schedule-item {
  position: relative;
  padding: 56px 20px 20px;
  text-align: center;
}
.schedule-item::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  background: var(--color-amber);
  border: 3px solid var(--color-ink);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(224, 166, 62, 0.25);
  z-index: 1;
}
.schedule-date {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-amber);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  display: block;
}
.schedule-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-paper);
  margin-bottom: 8px;
  line-height: 1.4;
}
.schedule-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ========== 会员对比 ========== */
.membership-section {
  background: var(--color-ink);
  padding: 100px 0;
}
.membership-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.member-card {
  flex: 1;
  max-width: 340px;
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  border: 1px solid rgba(243, 239, 230, 0.07);
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
  position: relative;
}
.member-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(224, 166, 62, 0.3);
}
.member-card.featured {
  background: var(--color-teal-dark);
  border: 2px solid var(--color-amber);
  transform: scale(1.05);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(224, 166, 62, 0.08);
  z-index: 2;
  padding: 44px 32px;
}
.member-card.featured:hover { transform: scale(1.05) translateY(-4px); }
.member-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-amber);
  color: #1A150E;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 4px 20px;
  border-radius: 20px;
}
.member-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-paper);
  margin-bottom: 4px;
}
.member-card.featured .member-name { font-size: 20px; }
.member-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 16px 0 20px;
}
.member-price .currency {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-amber);
}
.member-price .amount {
  font-size: 36px;
  font-weight: 900;
  color: var(--color-amber);
  line-height: 1;
}
.member-price .period {
  font-size: 13px;
  color: var(--color-muted);
}
.member-perks {
  margin-bottom: 24px;
}
.member-perks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(243, 239, 230, 0.8);
  padding: 7px 0;
}
.member-perks li i {
  color: var(--color-amber);
  font-size: 13px;
  width: 18px;
  text-align: center;
}
.member-card.featured .member-perks li { color: var(--color-paper); }

/* ========== 资讯列表 ========== */
.news-section {
  background: var(--color-bg-light);
  padding: 100px 0;
}
.news-section .section-title { color: var(--color-ink); }
.news-section .section-desc { color: var(--color-muted-dark); }
.news-section .section-tag { color: var(--color-teal); }
.news-list {
  max-width: 900px;
  margin: 0 auto;
}
.news-card {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  background: #FFFFFF;
  border-radius: var(--radius-card);
  padding: 28px 32px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(23, 21, 15, 0.05);
  transition: all 0.3s ease;
}
.news-card:hover {
  box-shadow: 0 14px 34px rgba(23, 21, 15, 0.12);
  border-color: rgba(224, 166, 62, 0.35);
  transform: translateX(4px);
}
.news-date {
  flex-shrink: 0;
  width: 80px;
  text-align: center;
  padding: 10px 0;
  border-right: 2px solid rgba(224, 166, 62, 0.2);
}
.news-date .date-day {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--color-ink);
  line-height: 1.1;
}
.news-date .date-mon {
  display: block;
  font-size: 12px;
  color: var(--color-muted-dark);
  margin-top: 4px;
}
.news-body { flex: 1; }
.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 8px;
  line-height: 1.5;
  transition: color 0.25s ease;
}
.news-card:hover .news-body h3 { color: var(--color-teal); }
.news-body p {
  font-size: 14px;
  color: var(--color-muted-dark);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-teal);
  border: 1px solid rgba(47, 95, 77, 0.35);
  background: rgba(47, 95, 77, 0.06);
  border-radius: 20px;
  padding: 3px 12px;
  letter-spacing: 0.04em;
}
.news-readmore {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-teal);
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-readmore i { font-size: 12px; transition: transform 0.25s ease; }
.news-card:hover .news-readmore i { transform: translateX(4px); }
.news-empty {
  text-align: center;
  padding: 60px 20px;
  background: #FFFFFF;
  border-radius: var(--radius-card);
  color: var(--color-muted-dark);
  font-size: 15px;
  border: 2px dashed rgba(23, 21, 15, 0.12);
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: var(--color-ink);
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -8deg,
    rgba(224, 166, 62, 0.05) 0px,
    rgba(224, 166, 62, 0.05) 1px,
    transparent 1px,
    transparent 22px
  );
  z-index: 1;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}
.cta-inner .section-title { margin-bottom: 16px; }
.cta-inner .section-desc { margin-bottom: 32px; }

/* ========== FAQ ========== */
.faq-section {
  background: var(--color-bg-light);
  padding: 100px 0;
}
.faq-section .section-title { color: var(--color-ink); }
.faq-section .section-desc { color: var(--color-muted-dark); }
.faq-section .section-tag { color: var(--color-teal); }
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.accordion {
  background: transparent;
  border: none;
}
.accordion-item {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(23, 21, 15, 0.06);
  overflow: hidden;
  transition: all 0.3s ease;
}
.accordion-item:hover { border-color: rgba(224, 166, 62, 0.3); }
.accordion-item.is-active {
  border-color: rgba(224, 166, 62, 0.3);
  box-shadow: 0 12px 30px rgba(23, 21, 15, 0.1);
}
.accordion-title {
  font-size: 16px !important;
  font-weight: 700 !important;
  color: var(--color-ink) !important;
  padding: 20px 24px !important;
  background: transparent !important;
  border: none !important;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color 0.25s ease;
}
.accordion-title::before {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--color-amber);
  transition: transform 0.3s ease;
  order: 2;
  margin-left: auto;
}
.accordion-item.is-active .accordion-title { color: var(--color-teal) !important; }
.accordion-item.is-active .accordion-title::before { transform: rotate(180deg); }
.accordion-content {
  border: none !important;
  background: transparent !important;
  padding: 0 24px 22px !important;
  color: var(--color-muted-dark);
  font-size: 15px;
  line-height: 1.8;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0F0E0B;
  color: var(--color-muted);
  padding: 64px 0 24px;
  border-top: 4px solid var(--color-amber);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .site-logo {
  font-size: 20px;
  justify-content: flex-start;
  margin-bottom: 12px;
}
.footer-brand .site-logo .logo-en { margin-top: 3px; }
.footer-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 320px;
}
.footer-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--color-paper);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: var(--color-muted);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover { color: var(--color-amber); padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--color-muted);
}
.footer-contact i { color: var(--color-amber); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(243, 239, 230, 0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(243, 239, 230, 0.4);
  line-height: 1.8;
}
.footer-bottom a { color: rgba(243, 239, 230, 0.5); }
.footer-bottom a:hover { color: var(--color-amber); }

/* ========== 滚动条 ========== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-ink); }
::-webkit-scrollbar-thumb {
  background: var(--color-card-light);
  border-radius: 5px;
  border: 2px solid var(--color-ink);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-amber); }

/* ========== 焦点可访问性 ========== */
a:focus-visible, button:focus-visible, .accordion-title:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 3px;
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
  .nav-left ul, .nav-right ul { gap: 20px; }
  .site-logo { font-size: 19px; }
  .hero-title { font-size: 40px; }
  .section-title { font-size: 30px; }
  .highlights-grid { grid-template-columns: 1fr 1fr; }
  .hl-card.hl-tall { grid-row: auto; grid-column: span 1; min-height: 280px; }
  .hl-card.hl-primary { grid-column: span 2; }
  .schedule-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .schedule-grid::before { display: none; }
  .schedule-item { padding-top: 48px; }
  .membership-grid { gap: 16px; }
  .member-card { max-width: 300px; }
}
@media screen and (max-width: 768px) {
  .nav-left, .nav-right { display: none; }
  .hamburger { display: block; }
  .site-logo { font-size: 20px; }
  .section-pad, .highlights-section, .schedule-section, .membership-section, .news-section, .cta-section, .faq-section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }
  .section-title { font-size: 26px; }
  .hero-section { min-height: 82vh; padding: calc(var(--header-h) + 24px) 0 56px; }
  .hero-title { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .hero-stats { gap: 24px; }
  .hero-stat strong { font-size: 24px; }
  .highlights-grid { grid-template-columns: 1fr; }
  .hl-card, .hl-card.hl-primary, .hl-card.hl-tall { grid-column: 1 / -1; min-height: 260px; }
  .membership-grid { flex-direction: column; }
  .member-card { max-width: 420px; width: 100%; }
  .member-card.featured { transform: none; padding: 36px 28px; }
  .member-card.featured:hover { transform: translateY(-4px); }
  .news-card { flex-direction: row; padding: 20px; gap: 16px; }
  .news-date { width: 60px; }
  .news-date .date-day { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand .site-logo { justify-content: flex-start; }
}
@media screen and (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .hero-stats { gap: 16px; }
  .hero-stat { flex: 1; min-width: 80px; text-align: center; }
  .news-card { flex-direction: column; }
  .news-date { border-right: none; border-bottom: 2px solid rgba(224, 166, 62, 0.2); text-align: left; width: 100%; padding: 0 0 10px; display: flex; gap: 10px; align-items: baseline; }
  .news-date .date-day { font-size: 20px; }
  .schedule-grid { grid-template-columns: 1fr; }
  .schedule-item { text-align: left; padding-left: 48px; padding-top: 16px; }
  .schedule-item::before { left: 14px; top: 24px; transform: none; }
  .member-card { max-width: 100%; }
  .accordion-title { font-size: 15px !important; padding: 18px 16px !important; }
  .accordion-content { padding: 0 16px 18px !important; }
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
    :root {
      --color-bg: #17150F;
      --color-bg-dark: #0F0E0A;
      --color-card: #211E18;
      --color-card-light: #2A261F;
      --color-fg: #F3EFE6;
      --color-fg-dim: #B8B2A6;
      --color-fg-mute: #8A8478;
      --color-accent: #E0A63E;
      --color-accent-light: #F0C465;
      --color-secondary: #2F5F4D;
      --color-secondary-light: #3E7C5A;
      --color-paper: #FAF8F2;
      --color-error: #C4453C;
      --color-success: #3E7C5A;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-card: 0 12px 28px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.25);
      --shadow-card-hover: 0 18px 40px rgba(0, 0, 0, 0.45);
      --shadow-light: 0 8px 24px rgba(23, 21, 15, 0.08);
      --font-cn: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --header-h: 72px;
      --spacing-section: 100px;
      --spacing-section-mobile: 64px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-cn);
      background: var(--color-bg);
      color: var(--color-fg);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--color-accent);
      text-decoration: none;
      transition: color .25s ease;
    }

    a:hover {
      color: var(--color-accent-light);
    }

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

    ul,
    ol {
      list-style: none;
    }

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

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

    ::selection {
      background: rgba(224, 166, 62, 0.35);
      color: var(--color-fg);
    }

    :focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    /* ============ 按钮 ============ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 34px;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 700;
      line-height: 1;
      border: 2px solid transparent;
      cursor: pointer;
      transition: all .28s ease;
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--color-accent);
      color: #1A1608;
      box-shadow: 0 8px 24px rgba(224, 166, 62, 0.25);
    }

    .btn-primary:hover {
      background: var(--color-accent-light);
      color: #1A1608;
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(224, 166, 62, 0.35);
    }

    .btn-outline {
      background: transparent;
      color: var(--color-fg);
      border-color: rgba(243, 239, 230, 0.5);
    }

    .btn-outline:hover {
      border-color: var(--color-accent);
      color: var(--color-accent-light);
      transform: translateY(-2px);
    }

    .btn-light {
      background: var(--color-fg);
      color: #1A1608;
    }

    .btn-light:hover {
      background: var(--color-accent-light);
      color: #1A1608;
      transform: translateY(-2px);
    }

    .btn-lg {
      padding: 18px 48px;
      font-size: 18px;
    }

    .btn-sm {
      padding: 9px 20px;
      font-size: 14px;
      border-radius: 6px;
    }

    /* ============ 徽章 / 标签 ============ */
    .badge {
      display: inline-block;
      padding: 5px 14px;
      border-radius: 2px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 1px;
      line-height: 1.4;
      border: 1px solid transparent;
    }

    .badge-accent {
      background: rgba(224, 166, 62, 0.12);
      border-color: rgba(224, 166, 62, 0.4);
      color: var(--color-accent);
    }

    .badge-green {
      background: rgba(47, 95, 77, 0.2);
      border-color: rgba(47, 95, 77, 0.6);
      color: #8FC7B0;
    }

    .badge-paper {
      background: rgba(243, 239, 230, 0.08);
      border-color: rgba(243, 239, 230, 0.25);
      color: var(--color-fg);
    }

    /* ============ Header / Nav ============ */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: var(--header-h);
      background: rgba(23, 21, 15, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(243, 239, 230, 0.06);
      z-index: 1000;
      transition: background .3s ease, box-shadow .3s ease;
    }

    .site-header.scrolled {
      background: rgba(15, 14, 10, 0.97);
      box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
    }

    .header-inner {
      max-width: 1400px;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
      padding: 0 32px;
    }

    .nav-left,
    .nav-right {
      flex: 1;
    }

    .nav-right {
      display: flex;
      justify-content: flex-end;
    }

    .nav-left ul,
    .nav-right ul {
      display: flex;
      align-items: center;
      gap: 34px;
    }

    .nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--color-fg);
      padding: 8px 2px;
      position: relative;
      letter-spacing: 0.3px;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--color-accent);
      transition: width .3s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-accent);
    }

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

    .site-logo {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      line-height: 1.1;
      padding: 0 30px;
      text-align: center;
      flex-shrink: 0;
    }

    .logo-cn {
      font-size: 24px;
      font-weight: 900;
      color: var(--color-fg);
      letter-spacing: 1px;
    }

    .logo-cn .highlight {
      color: var(--color-accent);
    }

    .logo-en {
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 4px;
      color: var(--color-fg-mute);
      text-transform: uppercase;
      margin-top: 2px;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--color-fg);
      cursor: pointer;
      padding: 8px;
      line-height: 1;
    }

    /* ============ Hero ============ */
    .page-hero {
      position: relative;
      min-height: 88vh;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      padding-top: var(--header-h);
    }

    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(23, 21, 15, 0.82) 0%, rgba(23, 21, 15, 0.62) 60%, var(--color-bg) 100%);
    }

    .page-hero::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 120px;
      background: linear-gradient(180deg, transparent, var(--color-bg));
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 60px 24px;
    }

    .hero-eyebrow {
      display: inline-block;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 3px;
      color: var(--color-accent);
      border: 1px solid rgba(224, 166, 62, 0.4);
      padding: 6px 18px;
      border-radius: 2px;
      margin-bottom: 24px;
      background: rgba(224, 166, 62, 0.08);
    }

    .page-hero h1 {
      font-size: 52px;
      line-height: 1.2;
      font-weight: 900;
      color: var(--color-fg);
      margin-bottom: 20px;
    }

    .page-hero h1 .highlight {
      color: var(--color-accent);
    }

    .hero-sub {
      font-size: 20px;
      color: var(--color-fg-dim);
      max-width: 520px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 56px;
    }

    .hero-stats {
      display: flex;
      gap: 56px;
      flex-wrap: wrap;
    }

    .stat-item strong {
      display: block;
      font-size: 32px;
      font-weight: 900;
      color: var(--color-accent);
      line-height: 1.2;
    }

    .stat-item span {
      font-size: 14px;
      color: var(--color-fg-mute);
      letter-spacing: 1px;
      margin-top: 4px;
      display: block;
    }

    /* ============ 区块通用 ============ */
    .section {
      padding: var(--spacing-section) 0;
      position: relative;
    }

    .section-subtle {
      background: var(--color-bg-dark);
    }

    .section-head {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 56px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 2px;
      color: var(--color-accent);
      text-transform: uppercase;
      margin-bottom: 12px;
      padding: 5px 16px;
      border: 1px solid rgba(224, 166, 62, 0.3);
      border-radius: 2px;
      background: rgba(224, 166, 62, 0.06);
    }

    .section-head h2 {
      font-size: 34px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--color-fg);
      margin-bottom: 14px;
    }

    .section-head p {
      font-size: 16px;
      color: var(--color-fg-mute);
      line-height: 1.8;
    }

    /* ============ 玩法体系 ============ */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 24px;
      align-items: stretch;
    }

    .intro-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--color-card);
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(243, 239, 230, 0.05);
      transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
      height: 100%;
    }

    .intro-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(224, 166, 62, 0.4);
    }

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

    .intro-card:hover img {
      transform: scale(1.05);
    }

    .intro-card-main,
    .intro-card-side {
      position: relative;
    }

    .intro-card-main .intro-card-body {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 28px;
      background: linear-gradient(180deg, transparent 0%, rgba(15, 14, 10, 0.92) 100%);
      z-index: 2;
    }

    .intro-card-side {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .intro-card-side .intro-card {
      min-height: 220px;
    }

    .intro-card-side .intro-card-body {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 20px;
      background: linear-gradient(180deg, transparent 0%, rgba(15, 14, 10, 0.9) 100%);
      z-index: 2;
    }

    .intro-card-body h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--color-fg);
      margin: 10px 0 6px;
    }

    .intro-card-body p {
      font-size: 14px;
      color: var(--color-fg-dim);
      line-height: 1.7;
      margin-bottom: 6px;
    }

    /* ============ 时间线 ============ */
    .steps-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .steps-timeline::before {
      content: '';
      position: absolute;
      top: 20px;
      left: 8%;
      right: 8%;
      height: 2px;
      background: var(--color-secondary);
      z-index: 1;
    }

    .step-item {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 0 12px;
    }

    .step-dot {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--color-accent);
      border: 4px solid var(--color-bg);
      box-shadow: 0 0 0 2px var(--color-accent);
      margin: 0 auto 16px;
      position: relative;
      z-index: 3;
    }

    .step-date {
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 2px;
      color: var(--color-accent);
      margin-bottom: 8px;
    }

    .step-item h3 {
      font-size: 18px;
      font-weight: 800;
      color: var(--color-fg);
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 14px;
      color: var(--color-fg-mute);
      line-height: 1.7;
      max-width: 220px;
      margin: 0 auto;
    }

    /* ============ 技巧卡片 ============ */
    .tips-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .tip-card {
      background: var(--color-card);
      border: 1px solid rgba(243, 239, 230, 0.05);
      border-radius: var(--radius-md);
      padding: 32px;
      transition: all .3s ease;
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
    }

    .tip-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 3px;
      height: 100%;
      background: var(--color-accent);
      opacity: 0;
      transition: opacity .3s ease;
    }

    .tip-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(224, 166, 62, 0.35);
    }

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

    .tip-card .tip-icon {
      font-size: 28px;
      color: var(--color-accent);
      margin-bottom: 16px;
      display: inline-block;
      width: 56px;
      height: 56px;
      border-radius: 12px;
      background: rgba(224, 166, 62, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .tip-card h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--color-fg);
      margin-bottom: 10px;
    }

    .tip-card p {
      font-size: 15px;
      color: var(--color-fg-mute);
      line-height: 1.75;
    }

    /* ============ 热门玩法 ============ */
    .modes-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      max-width: 960px;
      margin: 0 auto;
    }

    .mode-item {
      display: flex;
      align-items: center;
      gap: 28px;
      background: var(--color-card);
      border: 1px solid rgba(243, 239, 230, 0.05);
      border-radius: var(--radius-md);
      padding: 24px 32px;
      transition: all .3s ease;
    }

    .mode-item:hover {
      border-color: rgba(224, 166, 62, 0.4);
      transform: translateX(6px);
      box-shadow: var(--shadow-card);
    }

    .mode-date {
      flex-shrink: 0;
      text-align: center;
      min-width: 76px;
      padding-right: 24px;
      border-right: 1px solid rgba(243, 239, 230, 0.1);
    }

    .mode-date strong {
      display: block;
      font-size: 26px;
      font-weight: 900;
      color: var(--color-accent);
      line-height: 1.2;
    }

    .mode-date small {
      font-size: 13px;
      color: var(--color-fg-mute);
    }

    .mode-info {
      flex: 1;
    }

    .mode-info h3 {
      font-size: 19px;
      font-weight: 800;
      color: var(--color-fg);
      margin-bottom: 4px;
    }

    .mode-info p {
      font-size: 14px;
      color: var(--color-fg-mute);
      line-height: 1.7;
      margin: 4px 0 6px;
    }

    .mode-info .badge {
      margin-top: 4px;
    }

    /* ============ FAQ ============ */
    .section-faq {
      background: var(--color-bg-dark);
    }

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

    .accordion {
      border: none;
    }

    .accordion-item {
      background: var(--color-card);
      border: 1px solid rgba(243, 239, 230, 0.06) !important;
      border-radius: var(--radius-md) !important;
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color .3s ease, background .3s ease;
    }

    .accordion-item:hover {
      border-color: rgba(224, 166, 62, 0.3) !important;
    }

    .accordion-title {
      background: transparent !important;
      border: none !important;
      color: var(--color-fg) !important;
      font-size: 17px;
      font-weight: 700;
      padding: 22px 24px;
      position: relative;
      transition: color .3s ease;
    }

    .accordion-title:hover {
      color: var(--color-accent) !important;
    }

    .accordion-title::before {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      font-size: 12px;
      position: absolute;
      right: 24px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--color-accent);
      transition: transform .3s ease;
    }

    .accordion-item.is-active .accordion-title {
      color: var(--color-accent) !important;
      background: rgba(224, 166, 62, 0.04) !important;
    }

    .accordion-item.is-active .accordion-title::before {
      transform: translateY(-50%) rotate(180deg);
    }

    .accordion-content {
      background: transparent !important;
      border: none !important;
      padding: 0 24px 22px !important;
      color: var(--color-fg-dim);
      font-size: 15px;
      line-height: 1.8;
    }

    /* ============ CTA ============ */
    .section-cta {
      position: relative;
      padding: 110px 0;
      background-size: cover;
      background-position: center;
      text-align: center;
      overflow: hidden;
    }

    .section-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(23, 21, 15, 0.92) 0%, rgba(23, 21, 15, 0.75) 100%);
      z-index: 1;
    }

    .section-cta::after {
      content: '';
      position: absolute;
      inset: 0;
      background: repeating-linear-gradient(8deg, rgba(224, 166, 62, 0.06) 0 2px, transparent 2px 12px);
      z-index: 2;
    }

    .cta-inner {
      position: relative;
      z-index: 3;
      max-width: 700px;
      margin: 0 auto;
    }

    .cta-inner h2 {
      font-size: 38px;
      font-weight: 900;
      color: var(--color-fg);
      margin-bottom: 16px;
    }

    .cta-inner p {
      font-size: 18px;
      color: var(--color-fg-dim);
      margin-bottom: 34px;
    }

    /* ============ Footer ============ */
    .site-footer {
      background: #0A0906;
      border-top: 24px solid var(--color-accent);
      padding: 72px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 48px;
    }

    .footer-brand .site-logo {
      padding: 0;
      align-items: flex-start;
      margin-bottom: 16px;
    }

    .footer-brand .logo-cn {
      font-size: 24px;
    }

    .footer-desc {
      font-size: 14px;
      color: var(--color-fg-mute);
      line-height: 1.8;
      max-width: 320px;
      margin-top: 12px;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 800;
      color: var(--color-fg);
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 32px;
      height: 2px;
      background: var(--color-accent);
    }

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

    .footer-links a {
      color: var(--color-fg-mute);
      font-size: 14px;
      transition: all .25s ease;
    }

    .footer-links a:hover {
      color: var(--color-accent);
      padding-left: 4px;
    }

    .footer-links a i {
      font-size: 12px;
      color: var(--color-accent);
      margin-right: 6px;
    }

    .footer-contact li {
      color: var(--color-fg-mute);
      font-size: 14px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .footer-contact li i {
      color: var(--color-accent);
      margin-top: 3px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(243, 239, 230, 0.08);
      padding: 20px 0;
      text-align: center;
    }

    .footer-bottom p {
      font-size: 12px;
      color: var(--color-fg-mute);
    }

    .footer-bottom a {
      color: var(--color-fg-mute);
    }

    .footer-bottom a:hover {
      color: var(--color-accent);
    }

    /* ============ 响应式 ============ */
    @media screen and (max-width: 1024px) {
      .nav-left ul,
      .nav-right ul {
        gap: 20px;
      }

      .routes .route-item {
        padding: 20px;
      }

      .hero-stats {
        gap: 36px;
      }
    }

    @media screen and (max-width: 768px) {
      :root {
        --spacing-section: var(--spacing-section-mobile);
      }

      .header-inner {
        padding: 0 20px;
      }

      .nav-left,
      .nav-right {
        position: fixed;
        top: var(--header-h);
        background: var(--color-bg-dark);
        flex-direction: column;
        width: 260px;
        max-width: 80%;
        height: calc(100vh - var(--header-h));
        padding: 28px 24px;
        transform: translateX(-100%);
        transition: transform .35s ease;
        overflow-y: auto;
        z-index: 999;
        border-right: 1px solid rgba(243, 239, 230, 0.06);
      }

      .nav-right {
        transform: translateX(100%);
      }

      .nav-left,
      .nav-right {
        display: flex;
        justify-content: flex-start;
        flex: none;
      }

      .nav-left.open,
      .nav-right.open {
        transform: translateX(0);
      }

      .nav-left ul,
      .nav-right ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        width: 100%;
      }

      .nav-link {
        font-size: 16px;
        padding: 12px 0;
        width: 100%;
        display: block;
        border-bottom: 1px solid rgba(243, 239, 230, 0.05);
      }

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

      .menu-toggle {
        display: block;
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
      }

      .site-logo {
        margin: 0 auto;
      }

      .page-hero {
        min-height: auto;
        padding-top: calc(var(--header-h) + 40px);
        padding-bottom: 40px;
      }

      .page-hero h1 {
        font-size: 34px;
      }

      .hero-sub {
        font-size: 16px;
      }

      .hero-stats {
        gap: 24px;
      }

      .stat-item strong {
        font-size: 24px;
      }

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

      .intro-card-side {
        grid-template-columns: 1fr 1fr;
      }

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

      .steps-timeline::before {
        top: 0;
        bottom: 0;
        left: 20px;
        right: auto;
        width: 2px;
        height: auto;
      }

      .step-item {
        text-align: left;
        padding-left: 56px;
        padding-right: 0;
      }

      .step-dot {
        margin: 0;
        position: absolute;
        left: 0;
        top: 0;
      }

      .step-item p {
        margin: 0;
      }

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

      .mode-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 20px;
      }

      .mode-date {
        border-right: none;
        border-bottom: 1px solid rgba(243, 239, 230, 0.1);
        padding-right: 0;
        padding-bottom: 12px;
        text-align: left;
      }

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

      .section-head h2 {
        font-size: 26px;
      }

      .cta-inner h2 {
        font-size: 28px;
      }

      .btn-lg {
        padding: 16px 32px;
        font-size: 16px;
      }
    }

    @media screen and (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .intro-card-side {
        grid-template-columns: 1fr;
      }

      .hero-actions {
        flex-direction: column;
      }

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

      .page-hero h1 {
        font-size: 30px;
      }

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

      .section-head p {
        font-size: 14px;
      }

      .footer-contact li {
        font-size: 13px;
      }

      .accordion-title {
        font-size: 15px;
        padding: 18px 16px;
        padding-right: 40px;
      }

      .accordion-content {
        padding: 0 16px 18px !important;
        font-size: 14px;
      }
    }

/* roulang page: article */
/* ===================== 设计变量 ===================== */
        :root {
            --bg-dark: #17150F;
            --bg-card: #211E18;
            --bg-paper: #FAF8F2;
            --fg-cream: #F3EFE6;
            --fg-muted: rgba(243, 239, 230, 0.66);
            --fg-body: #2B251B;
            --accent: #E0A63E;
            --accent-strong: #F0B94F;
            --accent-green: #2F5F4D;
            --danger: #C4453C;
            --border: rgba(243, 239, 230, 0.14);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 12px 28px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.45);
            --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container: 1200px;
            --content: 800px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--fg-cream);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }

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

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

        a:hover {
            color: var(--accent-strong);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
        }

        table {
            border-collapse: collapse;
            width: 100%;
        }

        /* ===================== 通用容器 ===================== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ===================== 按钮 ===================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            padding: 14px 32px;
            border-radius: 8px;
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
            transition: all 0.25s ease;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(224, 166, 62, 0.4);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: #17150F;
        }

        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            color: #17150F;
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(243, 239, 230, 0.45);
            color: var(--fg-cream);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-on-light {
            background: transparent;
            border: 1px solid rgba(26, 23, 18, 0.3);
            color: #1A1712;
        }

        .btn-on-light:hover {
            border-color: var(--accent);
            color: #B8842A;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(23, 21, 15, 0.1);
        }

        .btn-solid-light {
            background: #1A1712;
            border-color: #1A1712;
            color: var(--fg-cream);
        }

        .btn-solid-light:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #17150F;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(23, 21, 15, 0.2);
        }

        /* ===================== 导航 ===================== */
        .site-header {
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 100;
            background: rgba(23, 21, 15, 0.92);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(23, 21, 15, 0.98);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
        }

        .nav-left {
            left: 0;
        }

        .nav-right {
            right: 0;
        }

        .nav-left ul,
        .nav-right ul {
            display: flex;
            gap: 28px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--fg-cream);
            padding: 8px 4px;
            position: relative;
            display: inline-block;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

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

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

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

        .site-logo {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            gap: 1px;
            text-decoration: none;
            line-height: 1.1;
        }

        .site-logo .logo-cn {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: 1px;
            color: var(--fg-cream);
        }

        .site-logo .logo-cn .highlight {
            color: var(--accent);
        }

        .site-logo .logo-en {
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 4px;
            color: rgba(243, 239, 230, 0.55);
            text-transform: uppercase;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 10px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
            position: absolute;
            left: 12px;
            top: 14px;
            z-index: 110;
            border-radius: var(--radius-sm);
        }

        .nav-toggle:hover {
            background: rgba(243, 239, 230, 0.06);
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--fg-cream);
            border-radius: 2px;
            transition: all 0.3s ease;
            display: block;
        }

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

        .site-header.nav-open .nav-toggle span:nth-child(2) {
            opacity: 0;
        }

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

        /* ===================== 面包屑 ===================== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 24px;
            color: rgba(243, 239, 230, 0.6);
        }

        .breadcrumb a {
            color: rgba(243, 239, 230, 0.8);
        }

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

        .breadcrumb-sep {
            color: rgba(243, 239, 230, 0.35);
        }

        .breadcrumb .current {
            color: var(--accent);
            max-width: 360px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===================== 文章 Hero ===================== */
        .article-hero {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(120deg, rgba(23, 21, 15, 0.94) 0%, rgba(33, 30, 24, 0.80) 52%, rgba(23, 21, 15, 0.90) 100%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            border-bottom: 1px solid var(--border);
        }

        .article-title {
            font-size: 44px;
            font-weight: 900;
            color: var(--fg-cream);
            line-height: 1.2;
            max-width: 900px;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            font-size: 14px;
            color: rgba(243, 239, 230, 0.66);
        }

        .article-meta i {
            margin-right: 6px;
            color: var(--accent);
        }

        .meta-cat {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border: 1px solid rgba(224, 166, 62, 0.5);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(224, 166, 62, 0.06);
        }

        /* ===================== 正文阅读区 ===================== */
        .article-main {
            background: var(--bg-paper);
            padding: 60px 0 40px;
        }

        .article-content-wrap {
            max-width: var(--content);
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--fg-body);
        }

        .article-content p {
            margin-bottom: 24px;
            text-align: justify;
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 800;
            margin: 48px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            color: #1A1712;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 36px 0 12px;
            color: #1A1712;
            line-height: 1.5;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 24px 0 10px;
            color: #3A3428;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 24px;
            padding: 0;
        }

        .article-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-content blockquote {
            margin: 32px 0;
            padding: 20px 24px;
            border-left: 4px solid var(--accent-green);
            background: rgba(47, 95, 77, 0.08);
            border-radius: 0 8px 8px 0;
            color: #3A3428;
            font-size: 15px;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content a {
            color: #B8842A;
            text-decoration: underline;
            text-underline-offset: 4px;
            word-break: break-all;
        }

        .article-content a:hover {
            color: #8F6418;
        }

        .article-content code {
            background: #EFE9DC;
            padding: 2px 6px;
            border-radius: 4px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            font-size: 14px;
            color: var(--danger);
        }

        .article-content pre {
            background: #1E1A14;
            border-radius: var(--radius-md);
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
            border: 1px solid rgba(243, 239, 230, 0.08);
        }

        .article-content pre code {
            background: transparent;
            color: #F3EFE6;
            padding: 0;
            font-size: 14px;
            line-height: 1.7;
        }

        .article-content table {
            margin: 24px 0;
            font-size: 15px;
            border: 1px solid #E5DED0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .article-content th {
            background: #1A1712;
            color: var(--fg-cream);
            padding: 12px 16px;
            text-align: left;
            font-weight: 700;
            border-right: 1px solid rgba(243, 239, 230, 0.1);
        }

        .article-content th:last-child {
            border-right: none;
        }

        .article-content td {
            padding: 12px 16px;
            border-bottom: 1px solid #F0EAE0;
            border-right: 1px solid #F0EAE0;
            vertical-align: top;
        }

        .article-content td:last-child {
            border-right: none;
        }

        .article-content tr:last-child td {
            border-bottom: none;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 32px auto;
            box-shadow: 0 8px 24px rgba(23, 21, 15, 0.12);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid #E5DED0;
            margin: 40px 0;
        }

        /* 文章缺失 */
        .article-missing {
            text-align: center;
            padding: 80px 24px 100px;
            background: var(--bg-paper);
        }

        .article-missing i {
            font-size: 48px;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .article-missing h2 {
            font-size: 32px;
            font-weight: 800;
            color: #1A1712;
            margin-bottom: 12px;
        }

        .article-missing p {
            color: #6B6254;
            margin-bottom: 32px;
            font-size: 16px;
        }

        /* ===================== 返回入口 ===================== */
        .article-back {
            background: var(--bg-paper);
            padding: 0 0 80px;
        }

        .back-inner {
            max-width: var(--content);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid #EFE9DC;
            padding-top: 40px;
        }

        /* ===================== 相关推荐 ===================== */
        .related-section {
            background: var(--bg-dark);
            padding: 100px 0;
            border-top: 1px solid var(--border);
        }

        .related-head {
            text-align: center;
            margin-bottom: 52px;
        }

        .related-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--fg-cream);
            position: relative;
            display: inline-block;
        }

        .related-head h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -12px;
            transform: translateX(-50%);
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .related-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .related-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all 0.3s ease;
        }

        .related-card:hover {
            transform: translateX(6px);
            border-color: rgba(224, 166, 62, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .related-card .thumb {
            width: 112px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .related-card .info {
            flex: 1;
            min-width: 0;
        }

        .related-card .info .cat {
            display: inline-block;
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .related-card .info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--fg-cream);
            line-height: 1.5;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .related-card .info h3 a {
            color: var(--fg-cream);
            transition: color 0.2s;
        }

        .related-card .info h3 a:hover {
            color: var(--accent);
        }

        .related-card .related-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(224, 166, 62, 0.1);
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
            transition: all 0.3s;
        }

        .related-card .related-arrow:hover {
            background: var(--accent);
            color: #17150F;
            transform: translateX(4px);
        }

        /* ===================== CTA 区块 ===================== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: linear-gradient(135deg, #1A1712 0%, #211E18 100%);
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(-8deg, transparent 0 18px, rgba(224, 166, 62, 0.055) 18px 19px);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--fg-cream);
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(243, 239, 230, 0.7);
            font-size: 16px;
            margin-bottom: 36px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===================== 页脚 ===================== */
        .site-footer {
            background: #100E0A;
            border-top: 2px solid var(--accent);
            padding: 70px 0 0;
            color: rgba(243, 239, 230, 0.75);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .site-logo {
            align-items: flex-start;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(243, 239, 230, 0.55);
            max-width: 340px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--fg-cream);
            letter-spacing: 1px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(243, 239, 230, 0.65);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links a i {
            color: var(--accent);
            font-size: 12px;
        }

        .footer-contact i {
            color: var(--accent);
            margin-right: 8px;
            width: 20px;
            text-align: center;
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(243, 239, 230, 0.6);
        }

        .footer-bottom {
            border-top: 1px solid rgba(243, 239, 230, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(243, 239, 230, 0.4);
        }

        .footer-bottom a {
            color: rgba(243, 239, 230, 0.45);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===================== 响应式 ===================== */
        @media (max-width: 1023px) {
            .header-inner {
                height: auto;
                min-height: 72px;
                flex-wrap: wrap;
                padding: 0 16px;
            }

            .nav-left,
            .nav-right {
                display: none;
                position: static;
                transform: none;
                width: 100%;
                flex-direction: column;
            }

            .site-header.nav-open .nav-left,
            .site-header.nav-open .nav-right {
                display: block;
            }

            .nav-left ul,
            .nav-right ul {
                flex-direction: column;
                gap: 0;
                padding: 8px 0 16px;
            }

            .nav-link {
                display: block;
                padding: 14px 8px;
                font-size: 16px;
                border-bottom: 1px solid rgba(243, 239, 230, 0.06);
            }

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

            .site-header.nav-open .container {
                padding-bottom: 0;
            }

            .nav-toggle {
                display: flex;
            }

            .site-logo {
                margin: 0 auto;
                padding: 14px 0;
            }

            .header-inner .site-logo {
                margin-left: auto;
                margin-right: auto;
            }

            .article-hero {
                padding: 120px 0 56px;
            }

            .article-title {
                font-size: 32px;
            }

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

            .related-card .thumb {
                width: 96px;
                height: 72px;
            }
        }

        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-hero {
                padding: 108px 0 44px;
            }

            .article-title {
                font-size: 28px;
            }

            .article-meta {
                gap: 14px;
                font-size: 13px;
            }

            .article-main {
                padding: 40px 0 24px;
            }

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

            .article-content h2 {
                font-size: 22px;
                margin: 36px 0 12px;
            }

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

            .article-content blockquote {
                padding: 16px 18px;
                font-size: 14px;
            }

            .article-content pre {
                padding: 14px;
                font-size: 13px;
            }

            .article-back {
                padding-bottom: 56px;
            }

            .back-inner {
                padding-top: 28px;
            }

            .related-section {
                padding: 64px 0;
            }

            .related-head h2 {
                font-size: 24px;
            }

            .related-list {
                gap: 16px;
            }

            .related-card {
                flex-wrap: wrap;
                padding: 14px;
                gap: 14px;
            }

            .related-card .thumb {
                width: 100%;
                height: 140px;
            }

            .related-card .info {
                flex: 1 1 calc(100% - 54px);
            }

            .cta-section {
                padding: 64px 0;
            }

            .cta-section h2 {
                font-size: 24px;
            }

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

            .btn {
                padding: 12px 24px;
                font-size: 15px;
            }

            .footer-bottom {
                padding: 16px 16px;
                font-size: 11px;
                line-height: 1.6;
            }

            .breadcrumb {
                font-size: 13px;
                gap: 6px;
            }

            .breadcrumb .current {
                max-width: 220px;
            }
        }

        @media (max-width: 360px) {
            .article-title {
                font-size: 24px;
            }

            .related-card .info h3 {
                font-size: 15px;
            }

            .back-inner .btn {
                width: 100%;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root {
  --primary: #17150F;
  --primary-dark: #0F0D09;
  --card-bg: #211E18;
  --paper: #FAF8F2;
  --text-light: #F3EFE6;
  --text-muted: #B8AF9C;
  --accent: #E0A63E;
  --accent-light: #F0C36D;
  --accent-soft: rgba(224, 166, 62, 0.14);
  --secondary: #2F5F4D;
  --secondary-light: #3E7C5A;
  --danger: #C4453C;
  --border-dark: rgba(243, 239, 230, 0.12);
  --border-accent: rgba(224, 166, 62, 0.45);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 12px 28px rgba(0, 0, 0, 0.35), 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.45), 0 4px 12px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s ease;
  --font-main: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: var(--primary); color: var(--text-light); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-light); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
button { cursor: pointer; background: none; }

/* ============ 容器 ============ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; width: 100%; }
.section-block { padding: 100px 0; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--accent); text-transform: uppercase; margin-bottom: 10px; }
.section-title { font-size: 32px; font-weight: 800; line-height: 1.3; color: var(--text-light); margin-bottom: 18px; }
.section-sub { font-size: 16px; color: var(--text-muted); max-width: 680px; margin: 0 auto; line-height: 1.8; }

/* ============ 按钮 ============ */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; font-size: 16px; font-weight: 700; border-radius: 8px; transition: var(--transition); line-height: 1.2; }
.btn-primary { background: var(--accent); color: #17150F; }
.btn-primary:hover { background: var(--accent-light); color: #17150F; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(224, 166, 62, 0.3); }
.btn-outline { border: 1px solid rgba(243, 239, 230, 0.4); color: var(--text-light); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25); }
.btn-lg { padding: 16px 42px; font-size: 17px; }
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ============ 导航 ============ */
.site-header { position: fixed; top: 0; left: 0; right: 0; height: 72px; background: rgba(23, 21, 15, 0.88); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); z-index: 1000; border-bottom: 1px solid var(--border-dark); transition: var(--transition); }
.site-header.scrolled { background: rgba(15, 13, 9, 0.97); box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45); }
.header-inner { position: relative; display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: 1440px; margin: 0 auto; padding: 0 32px; }
.nav-left, .nav-right { display: flex; align-items: center; }
.nav-left ul, .nav-right ul { display: flex; align-items: center; gap: 28px; }
.nav-link { position: relative; font-size: 15px; font-weight: 600; color: var(--text-light); padding: 6px 2px; letter-spacing: 0.3px; }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.nav-link:hover { color: var(--accent); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--accent); }
.nav-link.active::after { width: 100%; }
.site-logo { position: absolute; left: 50%; transform: translateX(-50%); text-align: center; line-height: 1.1; }
.site-logo .logo-cn { display: block; font-size: 20px; font-weight: 900; letter-spacing: 1px; color: var(--text-light); }
.site-logo .logo-cn .highlight { color: var(--accent); }
.site-logo .logo-en { display: block; font-size: 10px; font-weight: 700; letter-spacing: 3px; color: var(--text-muted); margin-top: 2px; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; font-size: 20px; color: var(--text-light); border-radius: var(--radius-sm); transition: var(--transition); z-index: 1200; }
.menu-toggle:hover { background: var(--accent-soft); color: var(--accent); }
.mobile-menu { display: none; position: fixed; top: 0; left: 0; right: 0; background: var(--primary-dark); padding: 96px 24px 32px; z-index: 1100; opacity: 0; visibility: hidden; transform: translateY(-16px); transition: var(--transition); border-bottom: 1px solid var(--border-dark); }
.mobile-menu.active { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu ul li { border-bottom: 1px solid var(--border-dark); }
.mobile-menu ul li:last-child { border-bottom: none; }
.mobile-menu ul li a { display: block; padding: 16px 0; font-size: 17px; font-weight: 600; color: var(--text-light); }
.mobile-menu ul li a:hover { color: var(--accent); }
.mobile-menu ul li a.active { color: var(--accent); }

/* ============ Hero ============ */
.page-hero { position: relative; min-height: 72vh; display: flex; align-items: center; padding: 160px 0 96px; background: linear-gradient(180deg, rgba(23, 21, 15, 0.45) 0%, rgba(23, 21, 15, 0.88) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: repeating-linear-gradient(-8deg, rgba(224, 166, 62, 0.35) 0px, rgba(224, 166, 62, 0.35) 2px, transparent 2px, transparent 28px); opacity: 0.5; }
.hero-inner { width: 100%; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-soft); border: 1px solid var(--border-accent); color: var(--accent); font-size: 13px; font-weight: 700; padding: 8px 18px; border-radius: 100px; margin-bottom: 24px; letter-spacing: 1px; }
.hero-badge i { font-size: 12px; }
.page-hero h1 { font-size: 44px; font-weight: 900; line-height: 1.2; color: var(--text-light); margin-bottom: 20px; }
.page-hero h1 .highlight { color: var(--accent); }
.hero-sub { font-size: 18px; line-height: 1.8; color: var(--text-muted); max-width: 560px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============ 数据条 ============ */
.stats-bar { background: var(--card-bg); border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-item { text-align: center; padding: 8px 16px; }
.stat-number { font-size: 40px; font-weight: 900; color: var(--accent); line-height: 1.2; }
.stat-number span { font-size: 20px; margin-left: 2px; }
.stat-label { font-size: 13px; font-weight: 600; color: var(--text-muted); margin-top: 8px; letter-spacing: 1px; }

/* ============ 赛事类型 ============ */
.game-modes { background: var(--primary); }
.mode-item { display: flex; align-items: center; gap: 80px; margin-bottom: 88px; }
.mode-item:last-child { margin-bottom: 0; }
.mode-item:nth-child(even) { flex-direction: row-reverse; }
.mode-media { flex: 0 0 48%; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); position: relative; }
.mode-media img { width: 100%; height: 340px; object-fit: cover; transition: transform 0.5s ease; }
.mode-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(23, 21, 15, 0.65) 100%); }
.mode-item:hover .mode-media img { transform: scale(1.05); }
.mode-content { flex: 1; }
.mode-tag { display: inline-block; font-size: 13px; font-weight: 700; color: var(--secondary-light); background: rgba(47, 95, 77, 0.2); border: 1px solid rgba(47, 95, 77, 0.5); padding: 4px 14px; border-radius: 100px; margin-bottom: 16px; }
.mode-content h3 { font-size: 26px; font-weight: 800; color: var(--text-light); margin-bottom: 14px; line-height: 1.3; }
.mode-content p { font-size: 16px; color: var(--text-muted); line-height: 1.85; margin-bottom: 20px; }
.mode-features { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.mode-features li { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; color: var(--text-light); background: rgba(243, 239, 230, 0.06); border: 1px solid var(--border-dark); padding: 6px 14px; border-radius: 100px; }
.mode-features li i { color: var(--accent); font-size: 12px; }

/* ============ 赛事流程 ============ */
.tournament-flow { background: var(--card-bg); border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); position: relative; overflow: hidden; }
.tournament-flow::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 4px; background: var(--secondary); opacity: 0.5; }
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.flow-step { text-align: center; padding: 28px 16px; background: rgba(255, 255, 255, 0.02); border: 1px solid var(--border-dark); border-radius: var(--radius-md); transition: var(--transition); position: relative; }
.flow-step:hover { border-color: var(--border-accent); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.flow-step .step-num { width: 44px; height: 44px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--accent-soft); border: 2px solid var(--accent); color: var(--accent); font-size: 18px; font-weight: 900; }
.flow-step h3 { font-size: 16px; font-weight: 800; color: var(--text-light); margin-bottom: 8px; }
.flow-step p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.flow-arrow { display: none; }

/* ============ 热门赛事 ============ */
.hot-events { background: var(--primary); }
.event-cards { display: grid; grid-template-columns: 1.1fr 0.9fr 0.9fr; gap: 24px; align-items: stretch; }
.event-card { background: var(--card-bg); border: 1px solid var(--border-dark); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.event-card:hover { transform: translateY(-6px); border-color: var(--border-accent); box-shadow: var(--shadow-hover); }
.event-card .event-media { position: relative; overflow: hidden; height: 220px; }
.event-card.large .event-media { height: 280px; }
.event-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.event-card:hover .event-media img { transform: scale(1.06); }
.event-media .event-type { position: absolute; top: 16px; left: 16px; z-index: 2; background: rgba(23, 21, 15, 0.82); border: 1px solid var(--border-accent); color: var(--accent); font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 100px; }
.event-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.event-card.large .event-body { padding: 28px; }
.event-body .event-date { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.event-body .event-date i { color: var(--accent); }
.event-body h3 { font-size: 19px; font-weight: 800; color: var(--text-light); margin-bottom: 12px; line-height: 1.45; }
.event-card.large .event-body h3 { font-size: 22px; }
.event-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 18px; flex: 1; }
.event-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--accent); transition: var(--transition); }
.event-link:hover { gap: 12px; color: var(--accent-light); }

/* ============ FAQ ============ */
.tournament-faq { background: var(--paper); color: var(--primary); }
.tournament-faq .section-title { color: var(--primary); }
.tournament-faq .section-sub { color: #5A5347; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion { border: 1px solid rgba(23, 21, 15, 0.1); border-radius: var(--radius-md); overflow: hidden; background: #fff; }
.accordion-item { border-bottom: 1px solid rgba(23, 21, 15, 0.08); background: #fff; }
.accordion-item:last-child { border-bottom: none; }
.accordion-title { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; font-size: 16px; font-weight: 700; color: var(--primary); border: none; transition: var(--transition); }
.accordion-title::after { content: "\f067"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 14px; color: var(--accent); transition: var(--transition); }
.accordion-item.is-active .accordion-title { color: var(--accent); background: var(--accent-soft); }
.accordion-item.is-active .accordion-title::after { content: "\f068"; }
.accordion-content { padding: 0 24px 22px; color: #4A443A; font-size: 15px; line-height: 1.85; }

/* ============ CTA ============ */
.cta-section { position: relative; padding: 90px 0; text-align: center; background: linear-gradient(135deg, rgba(23, 21, 15, 0.88) 0%, rgba(33, 30, 24, 0.96) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(-8deg, rgba(224, 166, 62, 0.14) 0px, rgba(224, 166, 62, 0.14) 2px, transparent 2px, transparent 22px); opacity: 0.4; }
.cta-inner { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 34px; font-weight: 900; color: var(--text-light); margin-bottom: 16px; line-height: 1.3; }
.cta-inner h2 .highlight { color: var(--accent); }
.cta-inner p { font-size: 16px; color: var(--text-muted); margin-bottom: 32px; line-height: 1.8; }

/* ============ 页脚 ============ */
.site-footer { background: var(--primary-dark); border-top: 2px solid var(--accent); padding: 64px 0 0; color: var(--text-muted); font-size: 14px; line-height: 1.8; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .site-logo { position: static; transform: none; text-align: left; display: inline-flex; flex-direction: column; align-items: flex-start; margin-bottom: 12px; }
.footer-brand .site-logo .logo-cn { font-size: 22px; }
.footer-desc { margin-top: 14px; color: var(--text-muted); font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-title { font-size: 16px; font-weight: 800; color: var(--text-light); margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ""; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--accent); }
.footer-links li, .footer-contact li { margin-bottom: 10px; }
.footer-links a { color: var(--text-muted); transition: var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--accent); padding-left: 2px; }
.footer-links i, .footer-contact i { color: var(--accent); font-size: 13px; width: 18px; text-align: center; }
.footer-contact li { display: flex; align-items: center; gap: 8px; }
.footer-bottom { border-top: 1px solid var(--border-dark); padding: 20px 0; text-align: center; font-size: 12px; color: rgba(184, 175, 156, 0.65); }
.footer-bottom a { color: rgba(184, 175, 156, 0.8); }
.footer-bottom a:hover { color: var(--accent); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .nav-left, .nav-right { display: none; }
  .menu-toggle { display: flex; }
  .mobile-menu { display: block; }
  .mobile-menu { display: block; opacity: 0; visibility: hidden; transform: translateY(-16px); pointer-events: none; }
  .mobile-menu.active { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
  .page-hero { min-height: 60vh; padding: 120px 0 72px; }
  .page-hero h1 { font-size: 36px; }
  .mode-item { gap: 40px; }
  .mode-media img { height: 300px; }
  .flow-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .event-cards { grid-template-columns: 1fr 1fr; }
  .event-card.large { grid-column: span 2; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

@media (max-width: 768px) {
  .section-block { padding: 64px 0; }
  .section-title { font-size: 26px; }
  .page-hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .mode-item, .mode-item:nth-child(even) { flex-direction: column; gap: 32px; }
  .mode-media { width: 100%; flex: none; }
  .mode-media img { height: 240px; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .event-cards { grid-template-columns: 1fr; }
  .event-card.large { grid-column: span 1; }
  .event-card.large .event-media { height: 220px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand .site-logo { align-items: flex-start; }
  .header-inner { padding: 0 16px; }
  .site-logo .logo-cn { font-size: 18px; }
  .site-logo .logo-en { font-size: 9px; }
}

@media (max-width: 520px) {
  .page-hero { padding: 100px 0 56px; }
  .page-hero h1 { font-size: 26px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-number { font-size: 32px; }
  .flow-grid { grid-template-columns: 1fr; }
  .mode-media img { height: 200px; }
  .section-title { font-size: 24px; }
  .accordion-title { padding: 18px 18px; font-size: 15px; }
  .accordion-content { padding: 0 18px 18px; }
  .cta-inner h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root {
  --primary: #17150F;
  --primary-light: #211E18;
  --accent: #E0A63E;
  --accent-hover: #F0C069;
  --secondary: #2F5F4D;
  --text-light: #F3EFE6;
  --text-muted: #B8B0A0;
  --bg-paper: #FAF8F2;
  --border: rgba(243, 239, 230, 0.12);
  --border-accent: rgba(224, 166, 62, 0.45);
  --err: #C4453C;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-dark: 0 12px 28px rgba(0,0,0,0.35), 0 2px 8px rgba(0,0,0,0.25);
  --shadow-dark-hover: 0 18px 40px rgba(0,0,0,0.45), 0 2px 8px rgba(0,0,0,0.25);
  --shadow-light: 0 8px 24px rgba(23,21,15,0.08);
  --font-stack: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-light);
  background: var(--primary);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--accent-hover); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; }

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

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(23, 21, 15, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(23, 21, 15, 0.97);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
}
.site-header .nav-left,
.site-header .nav-right {
  flex: 1;
}
.site-header .nav-left ul,
.site-header .nav-right ul {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-header .nav-left ul { justify-content: flex-start; }
.site-header .nav-right ul { justify-content: flex-end; }
.site-header .nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: 0.3px;
  position: relative;
  padding: 6px 2px;
  transition: color 0.25s ease;
}
.site-header .nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.site-header .nav-link:hover { color: var(--accent); }
.site-header .nav-link.active { color: var(--accent); }
.site-header .nav-link.active::after { width: 100%; }
.site-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
}
.logo-cn {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-light);
  letter-spacing: 1px;
}
.logo-cn .highlight { color: var(--accent); }
.logo-en {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-top: 2px;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  z-index: 110;
}

/* 移动端导航 */
@media screen and (max-width: 980px) {
  .site-header { height: 64px; }
  .site-header .nav-left,
  .site-header .nav-right {
    display: none;
  }
  .hamburger { display: block; }
  .site-header .container { justify-content: space-between; }
  .site-logo { position: static; transform: none; }
  .site-header.mobile-open .nav-left,
  .site-header.mobile-open .nav-right {
    display: block;
    position: fixed;
    top: 64px;
    background: rgba(23, 21, 15, 0.98);
    width: 100%;
    left: 0;
    padding: 20px;
    border-bottom: 1px solid var(--border);
  }
  .site-header.mobile-open .nav-left { margin-top: 0; }
  .site-header.mobile-open .nav-right { top: calc(64px + 230px); }
  .site-header.mobile-open .nav-left ul,
  .site-header.mobile-open .nav-right ul {
    flex-direction: column;
    gap: 0;
    align-items: flex-start;
  }
  .site-header.mobile-open .nav-left li,
  .site-header.mobile-open .nav-right li {
    width: 100%;
  }
  .site-header.mobile-open .nav-link {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(243,239,230,0.06);
  }
  .site-header.mobile-open .nav-link.active { color: var(--accent); }
}

/* ===== Hero ===== */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 120px 24px 80px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23,21,15,0.75) 0%, rgba(23,21,15,0.55) 50%, rgba(23,21,15,0.9) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
}
.hero-tag {
  display: inline-block;
  background: rgba(224,166,62,0.15);
  border: 1px solid rgba(224,166,62,0.4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-light);
  margin-bottom: 20px;
}
.hero h1 .highlight { color: var(--accent); }
.hero-subtitle {
  font-size: 18px;
  color: rgba(243,239,230,0.85);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}
.btn-primary {
  background: var(--accent);
  color: #17150F;
  box-shadow: 0 4px 20px rgba(224,166,62,0.35);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #17150F;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(224,166,62,0.45);
}
.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(243,239,230,0.4);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-top: 60px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label {
  font-size: 13px;
  color: rgba(243,239,230,0.7);
  margin-top: 4px;
  letter-spacing: 1px;
}

/* ===== 通用板块 ===== */
.section {
  padding: 100px 0;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.section-title .highlight { color: var(--accent); }
.section-paper {
  background: var(--bg-paper);
  color: #17150F;
}
.section-paper .section-title { color: #17150F; }
.section-paper .section-subtitle { color: #6B6355; }

/* ===== 会员等级卡片 ===== */
.level-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: 20px;
}
.level-card {
  flex: 1;
  max-width: 340px;
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-dark);
  transition: all 0.3s ease;
  position: relative;
}
.level-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-dark-hover);
}
.level-card.featured {
  background: linear-gradient(180deg, #262217 0%, #201D16 100%);
  border: 2px solid var(--accent);
  transform: scale(1.05);
  padding: 44px 30px;
  z-index: 2;
}
.level-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.5);
}
.level-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
  background: rgba(224,166,62,0.12);
  color: var(--accent);
  border: 1px solid rgba(224,166,62,0.3);
}
.level-card.featured .level-icon {
  background: rgba(224,166,62,0.2);
  color: var(--accent);
}
.level-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 8px;
}
.level-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  min-height: 48px;
}
.level-features {
  text-align: left;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.level-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(243,239,230,0.85);
  line-height: 1.5;
}
.level-features li i {
  color: var(--secondary);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}
.level-card.featured .level-features li i { color: var(--accent); }
.level-cta {
  display: inline-block;
  width: 100%;
  text-align: center;
  padding: 12px 0;
  border-radius: 8px;
  border: 1px solid rgba(243,239,230,0.25);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  transition: all 0.3s ease;
  background: transparent;
}
.level-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(224,166,62,0.08);
}
.level-card.featured .level-cta {
  background: var(--accent);
  color: #17150F;
  border-color: var(--accent);
}
.level-card.featured .level-cta:hover {
  background: var(--accent-hover);
  color: #17150F;
  transform: translateY(-2px);
}

/* ===== 权益卡片 ===== */
.benefit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.benefit-card {
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-dark);
}
.benefit-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-dark-hover);
}
.benefit-card.narrow {
  grid-column: span 1;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.benefit-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(224,166,62,0.12);
  border: 1px solid rgba(224,166,62,0.25);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.benefit-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}
.benefit-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== 时间线 ===== */
.timeline {
  max-width: 960px;
  margin: 40px auto 0;
  position: relative;
  display: flex;
  justify-content: space-between;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 40px;
  right: 40px;
  height: 2px;
  background: var(--secondary);
  opacity: 0.6;
}
.timeline-item {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 12px;
}
.timeline-dot {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 50%;
  margin: 0 auto 20px;
  position: relative;
  z-index: 2;
  border: 4px solid var(--primary);
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-item:nth-child(even) .timeline-dot {
  background: var(--secondary);
  box-shadow: 0 0 0 2px var(--secondary);
}
.timeline-item span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.timeline-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}
.timeline-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 对比区 ===== */
.compare-grid {
  display: flex;
  gap: 24px;
  justify-content: center;
  align-items: stretch;
  max-width: 960px;
  margin: 0 auto;
}
.compare-card {
  flex: 1;
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.compare-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}
.compare-card.featured {
  border: 2px solid var(--accent);
  background: linear-gradient(180deg, rgba(224,166,62,0.06), rgba(23,21,15,0.3) 40%), var(--primary-light);
  transform: scale(1.04);
}
.compare-card.featured:hover { transform: scale(1.04) translateY(-4px); }
.compare-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.compare-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 8px;
}
.compare-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(224,166,62,0.1);
  border: 1px solid rgba(224,166,62,0.3);
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 1px;
}
.compare-list {
  flex: 1;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(243,239,230,0.85);
}
.compare-list li i {
  color: var(--accent);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}
.compare-list li.unavailable {
  color: rgba(243,239,230,0.35);
  text-decoration: line-through;
}
.compare-list li.unavailable i { color: rgba(243,239,230,0.25); }

/* ===== FAQ ===== */
.faq-section { background: var(--primary); }
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}
.accordion-item {
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.accordion-item:hover { border-color: rgba(224,166,62,0.3); }
.accordion-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.3s ease;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
}
.accordion-title i {
  color: var(--accent);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.accordion-item.is-active .accordion-title {
  color: var(--accent);
  background: rgba(224,166,62,0.05);
}
.accordion-item.is-active .accordion-title i {
  transform: rotate(180deg);
}
.accordion-content {
  padding: 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.accordion-item.is-active .accordion-content {
  max-height: 500px;
  padding: 0 24px 20px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #1A1812 0%, #17150F 50%, #1A1812 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -8deg,
    rgba(224,166,62,0.05) 0px,
    rgba(224,166,62,0.05) 8px,
    transparent 8px,
    transparent 32px
  );
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}
.cta-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #12100B;
  border-top: 2px solid var(--accent);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .site-logo {
  position: static;
  transform: none;
  align-items: flex-start;
  margin-bottom: 20px;
}
.footer-brand .logo-cn { font-size: 20px; }
.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 360px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 1px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 12px;
}
.footer-contact li i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(243,239,230,0.08);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: rgba(243,239,230,0.35);
  line-height: 1.8;
}
.footer-bottom a {
  color: rgba(243,239,230,0.45);
}
.footer-bottom a:hover { color: var(--accent); }

/* ===== 响应式 ===== */
@media screen and (max-width: 1023px) {
  .level-grid { flex-direction: column; align-items: center; }
  .level-card { max-width: 100%; width: 100%; }
  .level-card.featured { transform: scale(1.02); }
  .level-card.featured:hover { transform: scale(1.02) translateY(-4px); }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-card.narrow { grid-column: span 1; }
  .compare-grid { flex-direction: column; align-items: center; }
  .compare-card { max-width: 100%; width: 100%; }
  .compare-card.featured { transform: scale(1.02); }
  .compare-card.featured:hover { transform: scale(1.02) translateY(-4px); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

@media screen and (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { min-height: 88vh; padding: 100px 16px 60px; }
  .hero h1 { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .hero-stats { gap: 32px; }
  .stat-number { font-size: 26px; }
  .section-title { font-size: 24px; }
  .timeline {
    flex-direction: column;
    gap: 36px;
    padding-left: 20px;
  }
  .timeline::before {
    left: 13px;
    right: auto;
    top: 14px;
    bottom: 14px;
    width: 2px;
    height: auto;
  }
  .timeline-item {
    text-align: left;
    padding-left: 40px;
    padding-right: 0;
  }
  .timeline-dot {
    position: absolute;
    left: 0;
    top: 4px;
    margin: 0;
  }
  .hamburger { display: block; }
  .site-header .nav-left,
  .site-header .nav-right { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .cta-section { padding: 64px 0; }
  .cta-title { font-size: 26px; }
  .btn { width: 100%; justify-content: center; }
  .hero-cta { flex-direction: column; width: 100%; }
  .accordion-title { font-size: 15px; padding: 16px 18px; }
  .accordion-content { padding: 0 18px; }
  .accordion-item.is-active .accordion-content { padding: 0 18px 16px; }
}

@media screen and (min-width: 981px) and (max-width: 1200px) {
  .site-header .nav-left ul,
  .site-header .nav-right ul { gap: 18px; }
  .site-header .nav-link { font-size: 14px; }
}

/* 工具类 */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-40 { margin-bottom: 40px; }