/* roulang page: index */
:root {
  --primary: #e11d6f;
  --primary-hover: #c0105c;
  --primary-light: rgba(225, 29, 111, 0.1);
  --accent: #4f8ef7;
  --gold: #ffb347;
  --gold-dark: #f7931e;
  --bg: #f7f8fc;
  --dark: #1e1b2e;
  --text: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --radius: 16px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-2xl: 0 20px 50px rgba(0, 0, 0, 0.12);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-header { max-width: 720px; margin-bottom: 48px; }
.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 8px;
}
.section-header p { font-size: 16px; color: var(--text-secondary); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  height: 48px;
  padding: 0 28px;
  font-weight: 700;
  font-size: 15px;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(225, 29, 111, 0.3); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(225, 29, 111, 0.2); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }
.btn-gold {
  background: linear-gradient(135deg, #ffb347, #f7931e);
  color: #1e1b2e;
  box-shadow: 0 6px 20px rgba(255, 179, 71, 0.35);
}
.btn-gold:hover { filter: brightness(1.05); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255, 179, 71, 0.4); }
.btn-lg { height: 56px; padding: 0 40px; font-size: 17px; }
.btn-sm { height: 36px; padding: 0 20px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: rgba(225, 29, 111, 0.08); border-color: var(--primary-hover); color: var(--primary-hover); }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08); }
.header-top { border-bottom: 1px solid rgba(229, 231, 235, 0.6); }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #8b1555);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(225, 29, 111, 0.3);
}
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.login-link { font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: color 0.2s; }
.login-link:hover { color: var(--primary); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span {
  width: 22px; height: 2px; background: var(--text);
  border-radius: 2px; transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.header-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  gap: 24px;
}
.nav-list { display: flex; list-style: none; gap: 32px; }
.nav-list a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 16px 2px;
  transition: color 0.2s;
}
.nav-list a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 8px;
  width: 0; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.25s ease;
}
.nav-list a:hover, .nav-list a.active { color: var(--primary); }
.nav-list a:hover::after, .nav-list a.active::after { width: 100%; }
.header-search { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.header-search form {
  display: flex;
  align-items: center;
  background: #f3f4f6;
  border-radius: 9999px;
  height: 36px;
  padding: 0 8px 0 16px;
  width: 240px;
  transition: box-shadow 0.2s, background 0.2s;
}
.header-search form:focus-within {
  background: #fff;
  box-shadow: 0 0 0 3px rgba(225, 29, 111, 0.15);
}
.header-search input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text);
  outline: none;
  min-width: 0;
}
.header-search button {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background 0.2s, color 0.2s;
}
.header-search button:hover { background: rgba(225, 29, 111, 0.1); color: var(--primary); }
.hot-words {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-muted);
  white-space: nowrap;
}
.hot-words a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}
.hot-words a:hover { color: var(--primary); }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  z-index: 0;
}
.hero::before {
  content: '';
  position: absolute;
  top: -30%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(225, 29, 111, 0.45), transparent 60%);
  filter: blur(80px);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; right: 5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(79, 142, 247, 0.3), transparent 60%);
  filter: blur(80px);
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  padding-top: 56px;
  padding-bottom: 56px;
}
.hero-text h1 {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-text h1 .highlight {
  background: linear-gradient(90deg, #f472b6, #ffb347);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-notes {
  display: flex; gap: 20px; flex-wrap: wrap;
  font-size: 14px; color: rgba(255, 255, 255, 0.65);
}
.hero-notes span { display: inline-flex; align-items: center; gap: 6px; }
.hero-notes svg { width: 18px; height: 18px; color: #34d399; flex-shrink: 0; }

.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  padding: 28px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s, box-shadow 0.3s;
}
.hero-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3); }
.hero-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.badge-gold {
  background: linear-gradient(135deg, #ffb347, #f7931e);
  color: #1e1b2e;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  padding: 4px 10px;
}
.hero-card-label { font-size: 13px; color: rgba(255, 255, 255, 0.6); }
.hero-card-body { text-align: center; padding: 20px 0; }
.hero-card-num {
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #f472b6, #ffb347);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-card-body p { color: rgba(255, 255, 255, 0.7); font-size: 15px; margin-top: 8px; }
.hero-card-footer { margin-top: 20px; }

/* ===== 对比表 ===== */
.compare-section { background: var(--bg); }
.compare-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.compare-table thead th {
  padding: 20px 24px;
  text-align: left;
  background: #f9fafb;
  border-bottom: 2px solid var(--border);
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 14px;
}
.compare-table thead th.member-col {
  text-align: center;
  background: linear-gradient(180deg, rgba(225, 29, 111, 0.06), #fff);
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--primary), var(--gold)) 1;
  color: var(--primary);
}
.compare-table tbody td {
  padding: 18px 24px;
  border-bottom: 1px solid #f3f4f6;
  vertical-align: middle;
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover { background: #fafbfc; }
.compare-table td:first-child { font-weight: 600; }
.compare-table td.member-col {
  text-align: center;
  background: rgba(225, 29, 111, 0.03);
}
.compare-table td.free-col { text-align: center; }
.check-free { color: #9ca3af; font-weight: 700; }
.check-member { color: var(--primary); font-weight: 700; }
.compare-cta { display: inline-block; margin-top: 4px; }
.compare-empty { color: #9ca3af; }

/* ===== 等级 ===== */
.level-section { background: linear-gradient(180deg, #f7f8fc 0%, #fff 100%); }
.level-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  align-items: start;
}
.level-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 28px 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}
.level-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.level-num {
  font-size: 48px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px var(--primary);
  line-height: 1;
  margin-bottom: 16px;
}
.level-card:nth-child(2) .level-num { -webkit-text-stroke-color: var(--gold-dark); }
.level-card:nth-child(3) .level-num { -webkit-text-stroke-color: #8b5cf6; }
.level-card:nth-child(4) .level-num { -webkit-text-stroke-color: var(--accent); }
.level-card:nth-child(5) .level-num { -webkit-text-stroke-color: var(--gold); }
.level-name { font-size: 18px; font-weight: 800; margin-bottom: 10px; color: var(--text); }
.level-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.level-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, #ffb347, #f7931e);
  color: #1e1b2e;
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  padding: 2px 8px;
}

/* ===== 信任条 ===== */
.trust-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.trust-inner {
  display: flex;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.trust-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}
.trust-icon svg { width: 22px; height: 22px; }
.trust-text { font-size: 15px; font-weight: 600; color: var(--text); }
.trust-sub { font-size: 13px; color: var(--text-muted); }

/* ===== 内容卡片 ===== */
.content-section { background: var(--bg); }
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.content-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.content-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.content-card a { display: block; height: 100%; }
.card-cover { position: relative; overflow: hidden; padding-top: 56%; background: #f0f1f5; }
.card-cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.content-card:hover .card-cover img { transform: scale(1.05); }
.card-body { padding: 24px; }
.card-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.tag {
  display: inline-block;
  background: rgba(225, 29, 111, 0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
  padding: 2px 12px;
  transition: background 0.2s;
}
.tag:hover { background: rgba(225, 29, 111, 0.18); }
.card-time { font-size: 13px; color: var(--text-muted); }
.card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--text);
  transition: color 0.2s;
}
.content-card:hover .card-body h3 { color: var(--primary); }
.card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.empty-state {
  grid-column: 1 / -1;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 60px 40px;
  text-align: center;
  background: #fff;
}
.empty-state .empty-icon { width: 56px; height: 56px; border-radius: 50%; background: #f3f4f6; display: inline-flex; align-items: center; justify-content: center; color: var(--text-muted); margin-bottom: 16px; }
.empty-state p:first-of-type { font-size: 18px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.empty-state p:last-of-type { font-size: 14px; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-section { background: #fff; }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.faq-item { border-bottom: 1px solid var(--border); transition: background 0.2s; }
.faq-item:last-child { border-bottom: none; }
.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  transition: background 0.2s;
}
.faq-question:hover { background: #fafbfc; }
.q-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(225, 29, 111, 0.1);
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.faq-question h3 { font-size: 16px; font-weight: 600; flex: 1; color: var(--text); }
.faq-toggle {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #f3f4f6;
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  transition: transform 0.3s, background 0.2s;
  flex-shrink: 0;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); background: rgba(225, 29, 111, 0.1); color: var(--primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  padding: 0 24px 0 68px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-answer p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  background: #f9fafb;
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 4px;
}
.faq-answer p::before { content: 'A：'; font-weight: 700; color: var(--primary); }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: #1e1b2e;
  overflow: hidden;
  padding: 88px 0;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(225, 29, 111, 0.4), transparent 60%);
  filter: blur(80px);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -60%; right: 5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255, 179, 71, 0.25), transparent 60%);
  filter: blur(80px);
}
.cta-inner { position: relative; z-index: 1; }
.cta-inner h2 {
  font-size: 40px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  margin: 0 auto 36px;
}
.cta-note { font-size: 13px; color: rgba(255, 255, 255, 0.45); margin-top: 20px; }

/* ===== 页脚 ===== */
.site-footer { background: #1e1b2e; color: rgba(255, 255, 255, 0.7); padding: 64px 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.brand-dark .brand-name { color: #fff; }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.55); margin-top: 16px; line-height: 1.7; }
.footer-col h3 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--gold); }
.footer-col p { font-size: 14px; color: rgba(255, 255, 255, 0.5); margin-bottom: 8px; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.35); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .container { padding: 0 20px; }
  .header-nav-inner { flex-direction: column; align-items: flex-start; height: auto; padding: 8px 0; }
  .nav-list { width: 100%; flex-wrap: wrap; gap: 16px; }
  .nav-list a { padding: 8px 0; }
  .header-search { width: 100%; align-items: flex-start; margin-top: 8px; }
  .header-search form { width: 100%; }
  .hot-words { margin-top: 4px; }
  .nav-toggle { display: flex; }
  .header-nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    border-bottom: 1px solid var(--border);
  }
  .header-nav.open { max-height: 400px; }
  .hero { min-height: auto; padding: 60px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 24px 0; }
  .hero-text h1 { font-size: 32px; }
  .level-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .level-card:nth-child(4), .level-card:nth-child(5) { margin-top: 0; }
  .content-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .section { padding: 48px 0; }
  .section-header h2 { font-size: 26px; }
  .section-header p { font-size: 15px; }
  .hero-text h1 { font-size: 26px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-card { padding: 20px; }
  .header-top-inner { height: 56px; }
  .brand-name { font-size: 16px; }
  .header-actions .login-link { display: none; }
  .compare-table thead { display: none; }
  .compare-table,
  .compare-table tbody,
  .compare-table tr,
  .compare-table td {
    display: block;
    width: 100%;
  }
  .compare-table tr {
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 16px;
    padding: 12px 16px;
  }
  .compare-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f3f4f6;
    text-align: right;
  }
  .compare-table tbody td:last-child { border-bottom: none; }
  .compare-table td:first-child { font-weight: 700; text-align: left; }
  .compare-table td.member-col { background: rgba(225, 29, 111, 0.04); border-radius: 8px; }
  .level-grid {
    display: flex;
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 16px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .level-card {
    min-width: 220px;
    scroll-snap-align: start;
  }
  .content-grid { grid-template-columns: 1fr; gap: 16px; }
  .trust-inner { gap: 24px; }
  .cta-inner h2 { font-size: 30px; }
  .cta-inner p { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .faq-question { padding: 16px; gap: 12px; }
  .faq-answer { padding: 0 16px 0 16px; }
  .faq-item.active .faq-answer { max-height: 400px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-logo { width: 32px; height: 32px; font-size: 18px; }
  .nav-list { gap: 8px; }
  .nav-list a { font-size: 14px; }
  .header-search form { width: 100%; }
}

/* roulang page: category1 */
:root {
            --primary: #e11d6f;
            --primary-hover: #c0105c;
            --accent: #4f8ef7;
            --gold: #ffb347;
            --bg: #f7f8fc;
            --dark-bg: #1e1b2e;
            --text: #1f2937;
            --text-secondary: #6b7280;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --radius-card: 16px;
            --radius-btn: 9999px;
            --radius-badge: 6px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);
            --shadow-2xl: 0 20px 40px rgba(0, 0, 0, .15);
            --container: 80rem;
            --spacing-section: 5rem;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s, background .3s;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-sm);
        }

        .header-top {
            border-bottom: 1px solid #f0f0f2;
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
        }

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

        .brand-logo {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #ff6ea1);
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(225, 29, 111, .3);
        }

        .brand-name {
            font-weight: 800;
            font-size: 18px;
            color: var(--text);
            letter-spacing: .5px;
        }

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

        .login-link {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .2s;
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            transition: .3s;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .header-nav {
            border-top: 1px solid #f5f5f7;
        }

        .header-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 56px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-list a {
            display: block;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            border-radius: 9999px;
            position: relative;
            transition: color .2s, background .2s;
        }

        .nav-list a::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 4px;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: translateX(-50%);
            transition: width .25s;
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(225, 29, 111, .05);
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-list a.active::after {
            width: 24px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .header-search form {
            display: flex;
            align-items: center;
            background: #f2f3f7;
            border-radius: 9999px;
            padding: 0 6px 0 14px;
            height: 38px;
            border: 1px solid transparent;
            transition: border-color .2s, box-shadow .2s;
        }

        .header-search form:focus-within {
            border-color: rgba(225, 29, 111, .4);
            box-shadow: 0 0 0 3px rgba(225, 29, 111, .1);
        }

        .header-search input {
            border: none;
            outline: none;
            background: transparent;
            width: 160px;
            font-size: 13px;
            color: var(--text);
        }

        .header-search button {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            cursor: pointer;
            transition: background .2s, color .2s;
        }

        .header-search button:hover {
            background: var(--primary);
            color: #fff;
        }

        .hot-words {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hot-words a {
            color: var(--text-secondary);
            transition: color .2s;
        }

        .hot-words a:hover {
            color: var(--primary);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: all .25s;
            border: 1.5px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(225, 29, 111, .3);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(225, 29, 111, .35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(225, 29, 111, .3);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(225, 29, 111, .08);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .7);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold), #f7931e);
            color: #1e1b2e;
            box-shadow: 0 6px 18px rgba(255, 179, 71, .4);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 179, 71, .5);
        }

        .btn-sm {
            height: 38px;
            padding: 0 20px;
            font-size: 13px;
        }

        .btn-lg {
            height: 54px;
            padding: 0 38px;
            font-size: 17px;
        }

        /* ===== Hero / Category Banner ===== */
        .cat-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-color: var(--dark-bg);
        }

        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(30, 27, 46, .92) 0%, rgba(30, 27, 46, .75) 50%, rgba(30, 27, 46, .55) 100%);
        }

        .cat-hero-content {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
            max-width: 720px;
        }

        .cat-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--gold), #f7931e);
            color: #1e1b2e;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .cat-hero h1 {
            color: #fff;
            font-size: 44px;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 18px;
        }

        .cat-hero p {
            color: #d1d5db;
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Sections ===== */
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-alt {
            background: #fff;
        }

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

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 16px;
        }

        /* ===== Feature Cards (错落) ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: start;
        }

        .feature-card {
            background: #fff;
            border: 1px solid #f0f0f2;
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s, transform .3s;
        }

        .feature-card:nth-child(2) {
            margin-top: 32px;
        }

        .feature-card:nth-child(3) {
            margin-top: 8px;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 900;
            margin-bottom: 20px;
            color: #fff;
        }

        .feature-icon.green {
            background: linear-gradient(135deg, #22c55e, #16a34a);
        }
        .feature-icon.blue {
            background: linear-gradient(135deg, var(--accent), #2563eb);
        }
        .feature-icon.pink {
            background: linear-gradient(135deg, var(--primary), #ff6ea1);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }

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

        /* ===== Compare Table ===== */
        .compare-wrap {
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid #f0f0f2;
            overflow: hidden;
        }

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

        .compare-table th,
        .compare-table td {
            padding: 18px 24px;
            text-align: center;
            border-bottom: 1px solid #f0f0f2;
            font-size: 15px;
        }

        .compare-table th {
            font-weight: 700;
            font-size: 16px;
            background: #fafafb;
            color: var(--text);
        }

        .compare-table th:first-child {
            text-align: left;
        }

        .compare-table td:first-child {
            text-align: left;
            color: var(--text);
            font-weight: 600;
        }

        .compare-table td {
            color: var(--text-secondary);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table .member-col {
            background: linear-gradient(180deg, rgba(225, 29, 111, .05), rgba(225, 29, 111, .03));
            font-weight: 600;
            color: var(--primary);
        }

        .compare-table th.member-col {
            background: rgba(225, 29, 111, .08);
            color: var(--primary);
            position: relative;
        }

        .compare-table th.member-col::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--gold));
        }

        .compare-check {
            color: var(--primary);
            font-weight: 700;
        }

        .compare-muted {
            color: #c0c4cc;
        }

        .compare-cta-row td {
            padding: 20px 24px;
        }

        /* ===== Scene Cards ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s, transform .3s;
            border: 1px solid #f0f0f2;
        }

        .scene-card:nth-child(2) {
            transform: translateY(24px);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .scene-card:nth-child(2):hover {
            transform: translateY(16px);
        }

        .scene-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .scene-body {
            padding: 24px;
        }

        .scene-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

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

        /* ===== Steps ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid #f0f0f2;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow .3s;
        }

        .step-item:hover {
            box-shadow: var(--shadow-lg);
        }

        .step-num {
            font-size: 44px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 2px rgba(225, 29, 111, .6);
            line-height: 1;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid #f0f0f2;
            border-radius: 14px;
            margin-bottom: 14px;
            background: #fff;
            transition: border-color .3s, box-shadow .3s;
        }

        .faq-item.open {
            border-color: rgba(225, 29, 111, .4);
            box-shadow: 0 4px 16px rgba(225, 29, 111, .06);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            user-select: none;
        }

        .faq-q-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(225, 29, 111, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            flex-shrink: 0;
        }

        .faq-q-text {
            flex: 1;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
        }

        .faq-toggle {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: #f2f3f7;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-secondary);
            transition: transform .3s, background .3s;
            flex-shrink: 0;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: rgba(225, 29, 111, .1);
            color: var(--primary);
        }

        .faq-a {
            display: none;
            padding: 0 24px 20px;
            padding-left: 68px;
        }

        .faq-a-inner {
            background: #f7f8fc;
            border-radius: 12px;
            padding: 16px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            border-left: 3px solid var(--primary);
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark-bg);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(225, 29, 111, .4), transparent 70%);
            filter: blur(80px);
            top: -100px;
            right: -100px;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 179, 71, .3), transparent 70%);
            filter: blur(80px);
            bottom: -80px;
            left: -80px;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 36px;
            font-weight: 900;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .cta-content p {
            color: #c7c9d6;
            font-size: 17px;
            margin-bottom: 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #a5a7b4;
            padding-top: 60px;
            padding-bottom: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            padding-bottom: 40px;
        }

        .footer-brand .brand-name {
            color: #fff;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.8;
            color: #8e90a0;
        }

        .footer-col h3 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col a {
            color: #8e90a0;
            font-size: 14px;
            transition: color .2s;
        }

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

        .footer-col p {
            font-size: 14px;
            color: #8e90a0;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 20px;
            font-size: 13px;
            color: #6b6d7c;
        }

        .brand-dark .brand-logo {
            box-shadow: 0 4px 14px rgba(225, 29, 111, .3);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .header-nav-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 10px 0;
            }

            .header-search {
                width: 100%;
                justify-content: space-between;
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scene-card:nth-child(2) {
                transform: none;
            }

            .scene-card:nth-child(2):hover {
                transform: translateY(-4px);
            }

            .steps {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 767px) {
            :root {
                --spacing-section: 3rem;
            }

            .header-top-inner {
                height: 54px;
            }

            .brand-name {
                font-size: 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid #f0f0f2;
            }

            .header-nav.open {
                display: block;
            }

            .header-nav-inner {
                padding: 16px;
            }

            .nav-list {
                flex-direction: column;
                width: 100%;
            }

            .nav-list a {
                border-radius: 10px;
                padding: 12px 16px;
            }

            .nav-list a::after {
                display: none;
            }

            .nav-list a.active {
                background: rgba(225, 29, 111, .08);
            }

            .header-search {
                flex-direction: column;
                align-items: stretch;
            }

            .header-search form {
                width: 100%;
            }

            .header-search input {
                flex: 1;
            }

            .hot-words {
                margin-top: 8px;
            }

            .cat-hero {
                min-height: 360px;
            }

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

            .cat-hero p {
                font-size: 15px;
            }

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

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

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

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

            .feature-card:nth-child(2),
            .feature-card:nth-child(3) {
                margin-top: 0;
            }

            .compare-table {
                display: block;
                overflow-x: auto;
            }

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

            .scene-card:nth-child(2) {
                transform: none;
            }

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

            .faq-a {
                padding-left: 24px;
            }

            .cta-content h2 {
                font-size: 26px;
            }

            .cta-content .btn {
                width: 100%;
            }

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

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

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-name {
                font-size: 15px;
            }

            .compare-table th,
            .compare-table td {
                padding: 14px 12px;
                font-size: 13px;
            }

            .section-header h2 {
                font-size: 22px;
            }
        }

/* roulang page: article */
:root {
  --primary:#e11d6f;
  --primary-hover:#c0105c;
  --secondary:#4f8ef7;
  --amber:#ffb347;
  --bg:#f7f8fc;
  --dark:#1e1b2e;
  --text:#1f2937;
  --muted:#6b7280;
  --light:#9ca3af;
  --border:#e5e7eb;
  --radius:16px;
  --radius-sm:8px;
  --radius-full:9999px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow-lg:0 12px 32px rgba(15,23,42,.12);
  --shadow-xl:0 20px 48px rgba(15,23,42,.16);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;padding-top:104px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:1rem;padding-right:1rem}
@media(max-width:767px){.container{padding-left:.75rem;padding-right:.75rem}}

.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 14px rgba(15,23,42,.06);transition:box-shadow .3s,background .3s}
.site-header.scrolled{box-shadow:0 8px 30px rgba(15,23,42,.1)}
.header-top{height:56px;display:flex;align-items:center;border-bottom:1px solid rgba(229,231,235,.7);transition:height .3s}
.scrolled .header-top{height:48px}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#e11d6f,#ff5e9a);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;box-shadow:0 4px 14px rgba(225,29,111,.35)}
.brand-name{font-size:19px;font-weight:900;letter-spacing:.2px;color:#1f2937;white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:12px}
.login-link{font-size:14px;font-weight:600;color:#6b7280;padding:8px 4px}
.login-link:hover{color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-full);height:48px;padding:0 28px;font-size:16px;font-weight:700;border:1.5px solid transparent;transition:all .25s ease;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(225,29,111,.2)}
.btn:active{transform:translateY(0);box-shadow:0 4px 10px rgba(225,29,111,.15)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(225,29,111,.28)}
.btn-primary:hover{background:var(--primary-hover)}
.btn-outline{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(225,29,111,.12);border-color:#fff}
.btn-cta{background:linear-gradient(135deg,#ffb347,#f7931e);color:#1e1b2e;box-shadow:0 8px 30px rgba(255,179,71,.4)}
.btn-cta:hover{filter:brightness(1.05)}
.btn-sm{height:38px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:22px;height:2px;background:#1f2937;border-radius:4px;transition:transform .3s,opacity .3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-nav{border-top:1px solid rgba(229,231,235,.5);background:rgba(255,255,255,.85)}
.header-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list a{display:block;position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:#4b5563;border-radius:var(--radius-sm)}
.nav-list a:hover{color:var(--primary)}
.nav-list a.active{color:var(--primary);font-weight:700}
.nav-list a.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:4px;width:22px;height:3px;background:linear-gradient(90deg,var(--primary),#ff8ab4);border-radius:6px}
.header-search{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-search form{display:flex;align-items:center;gap:6px;background:#f3f4f6;border:1px solid transparent;border-radius:var(--radius-full);padding:4px 6px 4px 16px;transition:border .25s,box-shadow .25s}
.header-search form:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(225,29,111,.1);background:#fff}
.header-search input{background:transparent;border:none;outline:none;font-size:14px;color:var(--text);width:180px}
.header-search button{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;transition:background .25s}
.header-search button:hover{background:var(--primary-hover)}
.hot-words{display:flex;align-items:center;gap:8px;font-size:12px;color:#9ca3af;white-space:nowrap}
.hot-words a{color:#6b7280}
.hot-words a:hover{color:var(--primary)}

/* 文章头部 */
.article-hero{position:relative;min-height:320px;display:flex;align-items:flex-end;overflow:hidden}
.article-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.article-hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(30,27,46,.96) 0%,rgba(225,29,111,.82) 55%,rgba(30,27,46,.88) 100%)}
.article-hero-content{position:relative;z-index:2;padding:48px 1rem 40px;max-width:920px;margin:0 auto;color:#fff}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff}
.breadcrumb-sep{opacity:.6}
.breadcrumb-current{color:#fff;font-weight:600;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero-content h1{font-size:32px;line-height:1.25;font-weight:900;margin-bottom:18px;color:#fff;max-width:820px;word-break:break-word}
@media(min-width:768px){.article-hero-content h1{font-size:44px}}
.article-meta{display:flex;flex-wrap:wrap;gap:16px 24px;align-items:center;font-size:14px;color:rgba(255,255,255,.75)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:16px;height:16px}
.meta-cat{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:3px 14px;border-radius:var(--radius-full);color:#fff;font-weight:600;font-size:13px}

/* 正文区 */
.article-section{padding:48px 0 24px}
.article-layout{max-width:920px;margin:0 auto}
.article-body{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow-sm)}
@media(min-width:768px){.article-body{padding:52px 56px}}
.article-body>*{max-width:720px;margin-left:auto;margin-right:auto}
.article-body p{font-size:16.5px;line-height:1.9;margin-bottom:1.6em;color:#374151}
.article-body h2{font-size:26px;font-weight:800;line-height:1.35;margin:2.2em 0 .8em;padding-left:16px;border-left:5px solid var(--primary);color:var(--text)}
.article-body h3{font-size:21px;font-weight:700;line-height:1.4;margin:1.8em 0 .6em;color:var(--text)}
.article-body ul,.article-body ol{margin:1.4em 0;padding-left:1.4em}
.article-body ul li{list-style:disc;margin-bottom:.5em;color:#4b5563}
.article-body ol li{list-style:decimal;margin-bottom:.5em;color:#4b5563}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-style:dotted}
.article-body a:hover{text-decoration-style:solid}
.article-body img{border-radius:12px;border:1px solid var(--border);margin:2em auto;box-shadow:var(--shadow-sm)}
.article-body blockquote{border-left:4px solid var(--primary);background:#fff1f7;padding:18px 24px;border-radius:0 12px 12px 0;margin:2em auto;color:#1f2937}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{background:#f3f4f6;border-radius:6px;padding:3px 9px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.article-body table{width:100%;border-collapse:collapse;margin:2em auto;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:#f9fafb;font-weight:700}
.article-body hr{border:none;border-top:1px dashed var(--border);margin:2.4em auto}

.not-found-card{text-align:center;padding:60px 24px}
.not-found-icon{width:76px;height:76px;border-radius:50%;background:#f3f4f6;color:#9ca3af;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.not-found-card h3{font-size:22px;font-weight:800;color:var(--text);margin-bottom:8px}
.not-found-card p{color:var(--muted);max-width:400px;margin:0 auto 24px}

.article-source{display:flex;align-items:center;gap:14px;padding-top:28px;margin-top:36px;border-top:1px solid var(--border);max-width:720px;margin-left:auto;margin-right:auto}
.source-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#ff5e9a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;box-shadow:0 6px 16px rgba(225,29,111,.3)}
.source-info strong{display:block;font-size:15px;color:var(--text)}
.source-info span{font-size:13px;color:var(--light)}
.back-nav{max-width:720px;margin:28px auto 0}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--muted);border-bottom:1px dashed #d1d5db;padding-bottom:3px}
.back-link:hover{color:var(--primary);border-bottom-style:solid}

/* 相关推荐 */
.related-section{padding:56px 0 32px;background:#fff}
.section-head{text-align:center;margin-bottom:40px}
.section-tag{display:inline-block;background:rgba(225,29,111,.08);color:var(--primary);font-size:13px;font-weight:700;padding:5px 18px;border-radius:var(--radius-full);margin-bottom:14px}
.section-head h2{font-size:28px;font-weight:900;line-height:1.3;color:var(--text)}
.section-head p{color:var(--muted);margin-top:6px;font-size:15px}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{display:flex;flex-direction:column;background:#f7f8fc;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .3s,transform .3s}
.related-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
@media(min-width:768px){.related-card:nth-child(1){transform:translateY(12px)}.related-card:nth-child(1):hover{transform:translateY(8px)}}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e5e7eb}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-tag{position:absolute;left:12px;top:12px;background:linear-gradient(135deg,#ffb347,#f7931e);color:#1e1b2e;font-size:12px;font-weight:800;padding:4px 12px;border-radius:var(--radius-sm);box-shadow:0 4px 10px rgba(0,0,0,.15)}
.related-body{padding:20px 20px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:17px;font-weight:800;color:var(--text);line-height:1.4}
.related-body p{font-size:13.5px;color:var(--muted);line-height:1.7;flex:1}
.related-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--light)}

/* CTA */
.cta-section{background:#1e1b2e;position:relative;overflow:hidden;padding:72px 0;text-align:center}
.cta-glow{position:absolute;border-radius:50%;filter:blur(100px);opacity:.45;pointer-events:none}
.cta-glow-1{width:420px;height:420px;background:rgba(225,29,111,.6);top:-100px;right:-80px}
.cta-glow-2{width:360px;height:360px;background:rgba(255,179,71,.4);bottom:-120px;left:-60px}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto;padding:0 1rem}
.cta-inner h2{font-size:28px;font-weight:900;color:#fff;line-height:1.35;margin-bottom:12px}
@media(min-width:768px){.cta-inner h2{font-size:36px}}
.cta-inner>p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:28px}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.5)}
.cta-inner .btn-cta{margin-top:4px}

/* 页脚 */
.site-footer{background:var(--dark);color:#c7c9d1;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 40px}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.brand-dark .brand-logo{background:linear-gradient(135deg,#e11d6f,#ffb347)}
.brand-dark .brand-name{color:#fff}
.footer-brand p{color:#9ca3af;margin-top:16px;line-height:1.8;font-size:14px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#9ca3af}
.footer-col a:hover{color:var(--primary)}
.footer-col p{color:#9ca3af;line-height:1.8;margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(255,255,255,.45);flex-wrap:wrap}

@media(max-width:1023px){
  .hot-words{display:none}
  .header-search input{width:130px}
}
@media(max-width:767.98px){
  body{padding-top:56px}
  .header-brand-name,.brand-name{font-size:16px}
  .header-top{height:56px}
  .header-top-inner{padding:0 .75rem}
  .login-link{display:none}
  .btn-sm{display:none}
  .nav-toggle{display:flex}
  .header-nav{position:absolute;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);display:none;max-height:calc(100vh - 56px);overflow-y:auto}
  .header-nav.open{display:block}
  .header-nav-inner{flex-direction:column;align-items:stretch;padding:12px 0;gap:12px}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:0 12px}
  .nav-list a{padding:12px 14px;border-radius:10px}
  .nav-list a.active{background:rgba(225,29,111,.08)}
  .nav-list a.active::after{display:none}
  .header-search{flex-direction:column;align-items:stretch;padding:0 12px 12px}
  .header-search form{width:100%}
  .header-search input{width:100%;flex:1}
  .article-hero-content{padding:32px 16px 28px;min-height:280px}
  .article-hero-content h1{font-size:26px;line-height:1.3}
  .article-meta{gap:10px 14px;font-size:13px}
  .article-body{padding:24px 18px}
  .article-body p{font-size:15.5px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .related-grid{gap:20px}
  .related-card:nth-child(1){transform:none!important}
  .cta-section{padding:52px 0}
  .cta-inner h2{font-size:24px}
}

/* roulang page: category2 */
:root {
    --primary: #e11d6f;
    --primary-hover: #c0105c;
    --accent: #4f8ef7;
    --amber: #ffb347;
    --amber-deep: #f7931e;
    --bg: #f7f8fc;
    --dark: #1e1b2e;
    --text: #1f2937;
    --text-sub: #6b7280;
    --text-weak: #9ca3af;
    --border: #e5e7eb;
    --radius-card: 16px;
    --radius-btn: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
    --shadow-lg: 0 12px 32px rgba(0,0,0,.10);
    --shadow-xl: 0 24px 48px rgba(0,0,0,.16);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; transition: color .2s ease; }
  img { max-width: 100%; display: block; }
  button, input, select, textarea { font-family: inherit; }
  input:focus, button:focus, a:focus { outline: 2px solid rgba(225,29,111,.35); outline-offset: 2px; }

  .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
  @media (max-width: 768px) { .container { padding: 0 16px; } }

  .section { padding: 64px 0; }
  @media (max-width: 768px) { .section { padding: 48px 0; } }
  .section-gray { background: #fff; }
  .section-head { max-width: 640px; margin-bottom: 48px; }
  .section-head h2 { font-size: 32px; font-weight: 800; line-height: 1.25; letter-spacing: -.02em; color: var(--text); }
  .section-head p { margin-top: 12px; font-size: 16px; color: var(--text-sub); line-height: 1.75; }
  .section-tag {
    display: inline-flex; align-items: center; padding: 5px 14px; border-radius: 6px;
    background: rgba(225,29,111,.08); color: var(--primary); font-size: 13px; font-weight: 700;
    margin-bottom: 14px; letter-spacing: .02em;
  }
  @media (max-width: 768px) {
    .section-head h2 { font-size: 26px; }
  }

  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0 28px; height: 48px; border-radius: 9999px;
    font-weight: 700; font-size: 15px; line-height: 1;
    transition: all .25s ease; border: 1.5px solid transparent;
    white-space: nowrap; cursor: pointer;
  }
  .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(225,29,111,.25); }
  .btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(225,29,111,.30); }
  .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(225,29,111,.2); }
  .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.65); }
  .btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }
  .btn-amber { background: linear-gradient(135deg, #ffb347, #f7931e); color: #1e1b2e; box-shadow: 0 6px 20px rgba(255,179,71,.35); }
  .btn-amber:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255,179,71,.45); }
  .btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }

  /* ===== Header ===== */
  .site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow .3s ease;
  }
  .site-header.scrolled { box-shadow: 0 4px 20px rgba(30,27,46,.08); }
  .header-top { border-bottom: 1px solid rgba(229,231,235,.5); }
  .header-top-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
  .brand { display: inline-flex; align-items: center; gap: 10px; }
  .brand-logo {
    width: 38px; height: 38px; border-radius: 12px;
    background: linear-gradient(135deg, #e11d6f, #ffb347);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 900; font-size: 20px;
    box-shadow: 0 4px 12px rgba(225,29,111,.25);
  }
  .brand-name { font-size: 18px; font-weight: 900; letter-spacing: -.02em; color: var(--text); }
  .brand-dark .brand-logo { box-shadow: 0 4px 14px rgba(255,179,71,.25); }
  .brand-dark .brand-name { color: #fff; }
  .header-actions { display: flex; align-items: center; gap: 14px; }
  .login-link { font-size: 14px; font-weight: 600; color: var(--text-sub); transition: color .2s ease; }
  .login-link:hover { color: var(--primary); }

  .header-nav { border-bottom: 1px solid rgba(229,231,235,.5); }
  .header-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 56px; position: relative; }
  .nav-list { list-style: none; display: flex; align-items: center; gap: 6px; margin: 0; padding: 0; }
  .nav-list a {
    display: inline-block; padding: 8px 16px; font-size: 15px; font-weight: 600;
    color: var(--text-sub); border-radius: 9999px; transition: all .2s ease; position: relative;
  }
  .nav-list a:hover { color: var(--primary); background: rgba(225,29,111,.06); }
  .nav-list a.active { color: var(--primary); background: rgba(225,29,111,.08); font-weight: 700; }
  .nav-list a.active::after {
    content: ''; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
    width: 20px; height: 3px; border-radius: 4px; background: var(--primary);
  }

  .header-search { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
  .header-search form {
    display: flex; align-items: center; background: #f1f2f6;
    border-radius: 9999px; padding: 0 6px 0 16px; height: 36px; width: 260px;
    border: 1px solid transparent; transition: all .25s ease;
  }
  .header-search form:focus-within { border-color: rgba(225,29,111,.4); background: #fff; box-shadow: 0 0 0 3px rgba(225,29,111,.08); }
  .header-search input { flex: 1; border: none; background: transparent; font-size: 14px; color: var(--text); outline: none; }
  .header-search button {
    width: 32px; height: 32px; border-radius: 50%; border: none;
    background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center;
    transition: background .2s ease;
  }
  .header-search button:hover { background: var(--primary-hover); }
  .hot-words { font-size: 12px; color: var(--text-weak); display: flex; align-items: center; gap: 6px; }
  .hot-words a { color: var(--text-weak); transition: color .2s ease; }
  .hot-words a:hover { color: var(--primary); }

  .nav-toggle { display: none; width: 40px; height: 40px; border: none; background: transparent; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 8px; }
  .nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: all .25s ease; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  @media (max-width: 1024px) {
    .header-search { display: none; }
    .nav-toggle { display: flex; }
    .header-nav-inner { flex-direction: column; align-items: stretch; padding: 12px 0; }
    .header-nav { display: none; }
    .header-nav.open { display: block; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
    .nav-list a { display: block; text-align: left; padding: 10px 16px; }
    .nav-list a.active::after { display: none; }
  }

  /* ===== Hero ===== */
  .page-hero {
    position: relative; background-size: cover; background-position: center;
    padding: 88px 0 88px; overflow: hidden;
  }
  .page-hero::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(105deg, rgba(30,27,46,.97) 25%, rgba(30,27,46,.82) 55%, rgba(30,27,46,.55) 100%);
  }
  .page-hero::after {
    content: ''; position: absolute; top: -120px; right: -40px;
    width: 420px; height: 420px; border-radius: 50%;
    background: radial-gradient(circle, rgba(225,29,111,.35), transparent 65%);
    filter: blur(80px); pointer-events: none;
  }
  .page-hero .container { position: relative; z-index: 2; }
  .hero-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(225,29,111,.18); color: #ffd0e4;
    border: 1px solid rgba(255,255,255,.16);
    padding: 5px 16px; border-radius: 9999px; font-size: 13px; font-weight: 600;
    margin-bottom: 22px;
  }
  .page-hero h1 {
    font-size: 44px; font-weight: 900; line-height: 1.18; color: #fff;
    letter-spacing: -.02em; margin-bottom: 18px;
  }
  .page-hero h1 .gradient-text {
    background: linear-gradient(92deg, #ff6ba9, #ffb347);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
  }
  .page-hero .hero-desc { font-size: 18px; color: rgba(255,255,255,.75); line-height: 1.75; max-width: 520px; margin-bottom: 32px; }
  .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
  .hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
  .hero-stats .stat { display: flex; flex-direction: column; }
  .hero-stats .stat span { font-size: 28px; font-weight: 900; color: #fff; font-variant-numeric: tabular-nums; }
  .hero-stats .stat p { font-size: 13px; color: rgba(255,255,255,.55); margin-top: 2px; }

  .hero-card { position: relative; display: flex; justify-content: center; }
  .level-preview-card {
    width: 100%; max-width: 360px;
    background: linear-gradient(160deg, rgba(225,29,111,.22), rgba(79,142,247,.10));
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 24px; padding: 28px;
    box-shadow: 0 24px 48px rgba(0,0,0,.25);
    color: #fff;
  }
  .lpc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
  .lpc-level { font-size: 42px; font-weight: 900; background: linear-gradient(135deg,#ffb347,#f7931e); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
  .lpc-name { font-size: 16px; font-weight: 700; color: rgba(255,255,255,.9); background: rgba(255,255,255,.1); padding: 5px 12px; border-radius: 9999px; }
  .lpc-progress { height: 10px; background: rgba(255,255,255,.12); border-radius: 9999px; overflow: hidden; margin-bottom: 12px; }
  .progress-bar { height: 100%; background: linear-gradient(90deg,#e11d6f,#ffb347); border-radius: 9999px; }
  .lpc-info { display: flex; justify-content: space-between; font-size: 12px; color: rgba(255,255,255,.55); margin-bottom: 22px; }
  .lpc-info span { font-variant-numeric: tabular-nums; }

  @media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 32px; }
    .hero-card { display: none; }
    .page-hero h1 { font-size: 32px; }
    .page-hero { padding: 64px 0 56px; }
  }

  /* ===== Level Cards ===== */
  .level-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; align-items: start; }
  .level-card {
    background: #fff; border-radius: 16px; padding: 28px 22px;
    border: 1px solid var(--border); box-shadow: var(--shadow-sm);
    transition: all .3s ease; position: relative;
  }
  .level-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: rgba(225,29,111,.2); }
  .level-card .level-num {
    font-size: 52px; font-weight: 900; line-height: 1;
    color: transparent; -webkit-text-stroke: 2px var(--primary);
    margin-bottom: 18px; font-variant-numeric: tabular-nums;
  }
  .level-card .level-tag {
    position: absolute; top: 16px; right: 16px;
    background: linear-gradient(135deg,#ffb347,#f7931e); color: #1e1b2e;
    font-size: 11px; font-weight: 800; padding: 3px 10px; border-radius: 6px;
  }
  .level-card h3 { font-size: 20px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
  .level-card .level-desc { font-size: 14px; color: var(--text-sub); line-height: 1.7; margin-bottom: 16px; }
  .level-card ul { list-style: none; margin: 0; padding: 0; }
  .level-card ul li { font-size: 13px; color: var(--text-sub); padding-left: 20px; position: relative; margin-bottom: 6px; }
  .level-card ul li::before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
  @media (max-width: 1024px) {
    .level-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .level-grid { grid-template-columns: 1fr; }
    .level-card { margin-top: 0 !important; }
  }

  /* ===== Table ===== */
  .table-wrap { overflow-x: auto; border-radius: 16px; box-shadow: var(--shadow-sm); }
  .benefit-table { width: 100%; min-width: 860px; border-collapse: collapse; background: #fff; }
  .benefit-table th {
    padding: 16px 18px; font-size: 14px; font-weight: 700; text-align: left;
    background: #f9fafb; color: var(--text); border-bottom: 2px solid var(--border);
  }
  .benefit-table th:first-child { border-radius: 16px 0 0 0; }
  .benefit-table th:last-child { border-radius: 0 16px 0 0; }
  .benefit-table td {
    padding: 14px 18px; font-size: 14px; color: var(--text-sub);
    border-bottom: 1px solid #f1f2f6;
  }
  .benefit-table tr:last-child td { border-bottom: none; }
  .benefit-table tbody tr:hover td { background: #f9fafb; }
  .benefit-table .col-highlight { background: rgba(225,29,111,.05); border-left: 3px solid var(--primary); }
  .benefit-table .col-highlight th {
    background: rgba(225,29,111,.08); color: var(--primary);
  }
  .benefit-table .col-head {
    font-weight: 700; color: var(--text);
  }
  .benefit-table .col-highlight td { color: #3d2242; font-weight: 500; }
  .benefit-table .yes { color: var(--primary); font-weight: 700; }

  /* ===== Flow ===== */
  .flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
  .flow-item {
    background: #fff; border-radius: 16px; padding: 28px 22px;
    border: 1px solid var(--border); box-shadow: var(--shadow-sm);
    text-align: center; transition: all .3s ease; position: relative;
  }
  .flow-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
  .flow-item .flow-num {
    width: 40px; height: 40px; border-radius: 50%; margin: 0 auto 16px;
    background: linear-gradient(135deg,#e11d6f,#ff6ba9); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 16px; box-shadow: 0 4px 12px rgba(225,29,111,.25);
  }
  .flow-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
  .flow-item p { font-size: 14px; color: var(--text-sub); line-height: 1.65; }
  @media (max-width: 1024px) {
    .flow-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .flow-grid { grid-template-columns: 1fr; }
  }

  /* ===== Tips ===== */
  .tips-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: start; }
  .tips-card {
    background: #fff; border-radius: 16px; overflow: hidden;
    border: 1px solid var(--border); box-shadow: var(--shadow-sm);
    transition: box-shadow .3s ease;
  }
  .tips-card:hover { box-shadow: var(--shadow-lg); }
  .tips-card .cover { overflow: hidden; }
  .tips-card img { width: 100%; height: 220px; object-fit: cover; transition: transform .4s ease; }
  .tips-card:hover img { transform: scale(1.05); }
  .tips-card .tip-body { padding: 24px; }
  .tips-card .tag {
    display: inline-block; background: rgba(225,29,111,.08); color: var(--primary);
    font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 9999px; margin-bottom: 12px;
  }
  .tips-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 10px; color: var(--text); }
  .tips-card p { font-size: 14px; color: var(--text-sub); line-height: 1.75; }
  .tips-card .link-more {
    display: inline-flex; align-items: center; gap: 4px; margin-top: 16px;
    font-size: 14px; font-weight: 600; color: var(--primary);
    border-bottom: 1px dashed var(--primary); padding-bottom: 2px;
    transition: border-color .2s ease;
  }
  .tips-card .link-more:hover { border-bottom-style: solid; }
  .tips-side { margin-top: 48px; }
  @media (max-width: 1024px) {
    .tips-grid { grid-template-columns: 1fr; }
    .tips-side { margin-top: 0; }
  }

  /* ===== FAQ ===== */
  .faq-list { max-width: 800px; margin: 0 auto; }
  .faq-item { border-bottom: 1px solid var(--border); }
  .faq-item:first-child { border-top: 1px solid var(--border); }
  .faq-q {
    width: 100%; display: flex; align-items: center; gap: 16px;
    background: transparent; border: none; padding: 22px 4px;
    text-align: left; cursor: pointer; transition: background .2s ease;
  }
  .faq-q:hover { background: rgba(225,29,111,.02); }
  .faq-icon {
    width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
    background: rgba(225,29,111,.1); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 14px;
  }
  .faq-q .question { flex: 1; font-weight: 600; font-size: 16px; color: var(--text); }
  .faq-arrow { font-size: 22px; color: var(--text-weak); transition: transform .3s ease; font-weight: 400; }
  .faq-item.open .faq-arrow { transform: rotate(45deg); color: var(--primary); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
  .faq-a-inner { display: flex; gap: 16px; padding: 0 4px 24px 48px; }
  .faq-a-inner .faq-ai {
    flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
    background: var(--primary); color: #fff; font-size: 13px; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
  }
  .faq-a-inner p { font-size: 15px; color: var(--text-sub); line-height: 1.75; }
  .faq-item.open { border-left: 3px solid var(--primary); padding-left: 14px; }

  /* ===== CTA ===== */
  .cta-section {
    position: relative; background: #1e1b2e; overflow: hidden; padding: 72px 0;
  }
  .cta-section::before {
    content: ''; position: absolute; top: -100px; right: -60px; width: 380px; height: 380px;
    border-radius: 50%; background: radial-gradient(circle, rgba(225,29,111,.4), transparent 65%);
    filter: blur(70px);
  }
  .cta-section::after {
    content: ''; position: absolute; bottom: -100px; left: -60px; width: 300px; height: 300px;
    border-radius: 50%; background: radial-gradient(circle, rgba(255,179,71,.28), transparent 65%);
    filter: blur(70px);
  }
  .cta-inner { position: relative; z-index: 2; text-align: center; max-width: 640px; }
  .cta-section h2 { font-size: 36px; font-weight: 900; color: #fff; margin-bottom: 14px; letter-spacing: -.02em; }
  .cta-section .cta-desc { font-size: 16px; color: rgba(255,255,255,.7); margin-bottom: 32px; line-height: 1.75; }
  .cta-section .btn-amber { height: 52px; padding: 0 38px; font-size: 16px; }
  .cta-note { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.45); }
  @media (max-width: 768px) {
    .cta-section h2 { font-size: 28px; }
  }

  /* ===== Footer ===== */
  .site-footer { background: #1e1b2e; color: #a0a0b0; padding: 56px 0 24px; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
  .footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.6); max-width: 280px; }
  .footer-col h3 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
  .footer-col ul { list-style: none; padding: 0; margin: 0; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s ease; }
  .footer-col ul a:hover { color: #ff6ba9; }
  .footer-col p { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 8px; }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; text-align: center; }
  .footer-bottom p { font-size: 12px; color: rgba(255,255,255,.35); }
  @media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  }

  /* ===== misc ===== */
  .brand-trust {
    display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
    background: #fff; border-radius: 16px; border: 1px solid var(--border);
    box-shadow: var(--shadow-sm); padding: 28px 32px;
  }
  .trust-item { display: flex; align-items: center; gap: 12px; }
  .trust-icon {
    width: 40px; height: 40px; border-radius: 12px;
    background: rgba(225,29,111,.08); color: var(--primary);
    display: flex; align-items: center; justify-content: center; font-size: 20px;
  }
  .trust-item span { font-size: 14px; font-weight: 600; color: var(--text); }
  @media (max-width: 768px) {
    .brand-trust { gap: 20px; padding: 20px; }
    .trust-item span { font-size: 13px; }
  }

  .fade-up { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
  .fade-up.visible { opacity: 1; transform: translateY(0); }