/* roulang page: index */
:root {
  --brand: #0E5E6E;
  --brand-2: #F59E0B;
  --brand-3: #B8DBD9;
  --bg-body: #F7F6F3;
  --bg-card: #FFFFFF;
  --bg-dark: #12283A;
  --text-main: #1A2E35;
  --text-sub: #5B6E76;
  --text-muted: #8FA3AC;
  --border: rgba(14,94,110,0.1);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 20px rgba(14,94,110,0.06);
  --shadow-hover: 0 12px 32px rgba(14,94,110,0.12);
  --shadow-btn: 0 8px 24px rgba(245,158,11,0.35);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .container { padding: 0 24px; } }
.section-pad { padding: 56px 0; }
@media (min-width: 768px) { .section-pad { padding: 72px 0; } }

/* 导航 */
.nav-wrap {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 24px rgba(18,40,58,0.35);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--brand-2), #F97316);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #12283A;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}
.logo-text {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
@media (min-width: 768px) { .logo-text { font-size: 19px; } }
.nav-menu {
  display: none;
  align-items: center;
  gap: 8px;
  order: 3;
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}
@media (min-width: 768px) {
  .nav-menu {
    display: flex;
    order: 0;
    width: auto;
    margin-top: 0;
  }
}
.nav-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.06);
  color: #d4e0e5;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 12px;
  transition: all 0.25s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-card:hover {
  background: rgba(255,255,255,0.14);
  color: #fff;
  transform: translateY(-1px);
}
.nav-card.active {
  background: var(--brand-2);
  color: var(--bg-dark);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245,158,11,0.3);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.btn-login {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.3);
  transition: all 0.25s ease;
}
.btn-login:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }
.btn-register {
  background: var(--brand-2);
  color: var(--bg-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 999px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}
.btn-register:hover {
  background: #F97316;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(245,158,11,0.4);
}
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
  transition: background 0.2s;
}
.nav-toggle:hover { background: rgba(255,255,255,0.15); }
@media (min-width: 768px) { .nav-toggle { display: none; } }
.nav-menu.open { display: flex; flex-direction: column; align-items: center; gap: 8px; }

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-2);
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 999px;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: #F97316;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(245,158,11,0.45);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(245,158,11,0.3); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 30px;
  border-radius: 999px;
  background: transparent;
  transition: all 0.25s ease;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }
.btn-ghost:active { transform: scale(0.98); }
.btn-ghost:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(255,255,255,0.3); }

/* Hero */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,94,110,0.85), rgba(14,94,110,0.65) 45%, rgba(18,40,58,0.75));
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 64px;
  flex-wrap: wrap;
}
.hero-main { flex: 1 1 380px; min-width: 280px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  margin-bottom: 20px;
}
.hero-title {
  color: #fff;
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
@media (min-width: 768px) { .hero-title { font-size: 48px; } }
.hero-sub {
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-countdown {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 12px 20px;
  margin-top: 28px;
  backdrop-filter: blur(8px);
}
.countdown-label { color: rgba(255,255,255,0.8); font-size: 13px; }
.countdown-num {
  color: var(--brand-2);
  font-size: 20px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  min-width: 28px;
  text-align: center;
}
.countdown-colon { color: rgba(255,255,255,0.5); font-size: 16px; }

.hero-phone {
  flex-shrink: 0;
  width: 160px;
  margin: 0 auto;
  position: relative;
}
@media (min-width: 768px) { .hero-phone { width: 224px; margin: 0; } }
.phone-frame {
  background: rgba(255,255,255,0.95);
  border-radius: 28px;
  padding: 8px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.3);
  position: relative;
}
.phone-screen {
  border-radius: 22px;
  overflow: hidden;
  aspect-ratio: 9/16;
  position: relative;
  background: #0b1b26;
}
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }
.phone-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--brand);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  transition: transform 0.3s;
}
.phone-frame:hover .phone-play { transform: translate(-50%,-50%) scale(1.1); }
.phone-like {
  position: absolute;
  right: 8px;
  bottom: 32px;
  background: rgba(239,68,68,0.85);
  color: #fff;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}
.phone-like span { animation: heartBeat 1.5s infinite; }
@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.25); }
  30% { transform: scale(1); }
  45% { transform: scale(1.15); }
}

/* 板块标题 */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}
@media (min-width: 768px) { .section-title { font-size: 30px; } }
.section-more {
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(14,94,110,0.06);
  border: 1px solid rgba(14,94,110,0.12);
  transition: all 0.25s;
  white-space: nowrap;
}
.section-more:hover { background: rgba(14,94,110,0.12); color: var(--brand); transform: translateX(2px); }

/* 横向滚动 */
.scroll-area {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.scroll-area::-webkit-scrollbar { height: 6px; }
.scroll-area::-webkit-scrollbar-track { background: rgba(14,94,110,0.06); border-radius: 6px; }
.scroll-area::-webkit-scrollbar-thumb { background: rgba(14,94,110,0.2); border-radius: 6px; }
.scroll-area::-webkit-scrollbar-thumb:hover { background: rgba(14,94,110,0.35); }
.scroll-card {
  scroll-snap-align: start;
  flex-shrink: 0;
  width: 144px;
  aspect-ratio: 3/4;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
@media (min-width: 768px) { .scroll-card { width: 176px; } }
.scroll-card:hover {
  transform: scale(1.03) translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.scroll-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.scroll-card:hover img { transform: scale(1.05); }
.scroll-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--brand-2);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  box-shadow: 0 4px 10px rgba(245,158,11,0.4);
  z-index: 2;
}
.scroll-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 12px 12px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
  z-index: 2;
}
.scroll-overlay p { color: #fff; font-size: 12px; font-weight: 600; line-height: 1.4; }
.scroll-overlay span { color: rgba(255,255,255,0.7); font-size: 11px; }

/* 卡片 */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255,255,255,0.6);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.card-img { position: relative; overflow: hidden; border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 16px; }
.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.card-excerpt {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.card-tag {
  background: rgba(184,219,217,0.4);
  color: var(--brand);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}
.card-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--brand-2);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  transition: all 0.25s;
  margin-top: 10px;
}
.card-btn:hover { background: #F97316; transform: translateX(2px); }

/* 口碑 */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) { .testimonial-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .testimonial-grid { grid-template-columns: repeat(4, 1fr); } }
.testimonial-card {
  background: rgba(184,219,217,0.2);
  border: 1px solid rgba(14,94,110,0.08);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all 0.3s;
}
.testimonial-card:hover {
  background: rgba(184,219,217,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.testimonial-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(14,94,110,0.12);
  color: var(--brand);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.testimonial-name { font-size: 14px; font-weight: 600; color: var(--text-main); }
.testimonial-stars { color: var(--brand-2); font-size: 12px; letter-spacing: 2px; }
.testimonial-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-sub);
  position: relative;
  padding-left: 12px;
}
.testimonial-text::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 4px;
  background: var(--brand-3);
}

/* CTA 横幅 */
.cta-banner {
  background: linear-gradient(120deg, var(--brand-2), #F97316 45%, var(--brand-2));
  border-radius: 24px;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .cta-banner { padding: 48px 56px; }
}
.cta-banner::after {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; position: relative; z-index: 2; }
.cta-title { font-size: 24px; font-weight: 800; color: #12283A; margin-bottom: 8px; }
@media (min-width: 768px) { .cta-title { font-size: 28px; } }
.cta-sub { font-size: 14px; color: rgba(18,40,58,0.75); }
.cta-btn {
  background: #12283A;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 999px;
  transition: all 0.25s;
  white-space: nowrap;
}
.cta-btn:hover { transform: scale(0.97); box-shadow: 0 8px 20px rgba(18,40,58,0.3); }
.cta-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(18,40,58,0.8);
}
.cta-badge::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #12283A;
}

/* 资讯列表 */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-row {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(255,255,255,0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
@media (min-width: 640px) { .news-row { flex-direction: row; } }
.news-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.news-thumb {
  flex-shrink: 0;
  width: 100%;
  height: 160px;
  overflow: hidden;
}
@media (min-width: 640px) { .news-thumb { width: 200px; height: auto; min-height: 140px; } }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-row:hover .news-thumb img { transform: scale(1.04); }
.news-content { padding: 16px; flex: 1; }
.news-cat {
  background: rgba(14,94,110,0.08);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 8px;
}
.news-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.4;
}
@media (min-width: 768px) { .news-title { font-size: 18px; } }
.news-title a { transition: color 0.2s; }
.news-title a:hover { color: var(--brand); }
.news-excerpt {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}
.news-read {
  color: var(--brand);
  font-weight: 600;
  font-size: 13px;
}
.news-empty {
  text-align: center;
  padding: 48px 24px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 2px dashed rgba(14,94,110,0.15);
  color: var(--text-muted);
  font-size: 14px;
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(14,94,110,0.1);
  padding: 4px 0;
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--brand); }
.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(14,94,110,0.08);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 400;
  transition: transform 0.3s ease, background 0.3s;
}
.faq-item details[open] summary .faq-icon {
  transform: rotate(45deg);
  background: var(--brand);
  color: #fff;
}
.faq-answer {
  padding: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
}

/* 页脚 */
.footer {
  background: var(--bg-dark);
  color: #fff;
  padding-top: 56px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 40px;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--brand-2); }
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: all 0.25s;
}
.footer-social a:hover { background: var(--brand-2); color: var(--bg-dark); transform: translateY(-2px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* 移动端菜单 */
@media (max-width: 767.98px) {
  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .nav-card { justify-content: center; }
}

/* 其它通用 */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  background: rgba(184,219,217,0.15);
  border-radius: var(--radius-md);
  color: var(--text-sub);
  font-size: 14px;
}

/* roulang page: category1 */
:root {
  --brand: #0E5E6E;
  --brand-2: #F59E0B;
  --brand-3: #B8DBD9;
  --bg-body: #F7F6F3;
  --text-main: #1A2E35;
  --text-sub: #5B6E76;
  --text-muted: #8FA3AC;
  --dark-panel: #12283A;
  --shadow-sm: 0 2px 10px rgba(14, 94, 110, 0.06);
  --shadow-md: 0 12px 32px -10px rgba(14, 94, 110, 0.18);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
}
.section-head p {
  font-size: 15px;
  color: var(--text-sub);
  margin-top: 8px;
}

/* ========== 导航 ========== */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--dark-panel);
  box-shadow: 0 8px 30px rgba(18, 40, 58, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
  position: relative;
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #F59E0B, #F97316);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--dark-panel);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}
.nav-toggle {
  display: none;
  color: #fff;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-card {
  padding: 8px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s ease;
}
.nav-card:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: translateY(-1px);
}
.nav-card.active {
  background: var(--brand-2);
  color: var(--dark-panel);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45);
}
.nav-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-login,
.btn-register {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
}
.btn-login {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-login:hover { background: rgba(255, 255, 255, 0.22); }
.btn-register {
  background: var(--brand-2);
  color: var(--dark-panel);
}
.btn-register:hover {
  background: #F97316;
  box-shadow: 0 8px 20px -6px rgba(245, 158, 11, 0.6);
  transform: translateY(-1px);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0E5E6E, #12283A);
  color: #fff;
  padding: 92px 0;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.32;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom right, rgba(14, 94, 110, 0.88), rgba(18, 40, 58, 0.92));
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  backdrop-filter: blur(6px);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.hero-sub {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 460px;
  line-height: 1.75;
  margin-bottom: 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: var(--brand-2);
  color: var(--dark-panel);
  font-weight: 700;
  font-size: 15px;
  transition: all .25s ease;
  box-shadow: 0 8px 24px -8px rgba(245, 158, 11, 0.6);
}
.btn-primary:hover {
  background: #F97316;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -8px rgba(245, 158, 11, 0.7);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-primary:focus-visible,
.btn-login:focus-visible,
.btn-register:focus-visible,
.btn-dark:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.3);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  transition: all .25s ease;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}
.hero-phone { display: flex; justify-content: flex-end; }
.hero-phone-inner {
  width: 190px;
  aspect-ratio: 9/16;
  border-radius: 28px;
  border: 4px solid rgba(255, 255, 255, 0.25);
  padding: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55);
}
.phone-cover {
  width: 100%;
  height: 100%;
  border-radius: 22px;
  overflow: hidden;
  position: relative;
}
.phone-cover img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
}
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  font-size: 15px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* ========== 数据条 ========== */
.stats { padding: 40px 0 16px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: #fff;
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(14, 94, 110, 0.08);
}
.stat-item {
  text-align: center;
  padding: 8px;
  border-right: 1px solid rgba(14, 94, 110, 0.08);
}
.stat-item:last-child { border-right: none; }
.stat-num {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 6px;
}

/* ========== 登录方式导览 ========== */
.login-methods { padding-top: 48px; }
.login-card {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(14, 94, 110, 0.08);
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
  display: flex;
  flex-direction: column;
}
.login-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.card-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.login-card:hover .card-img img { transform: scale(1.04); }
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--brand-2);
  color: var(--dark-panel);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.card-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.card-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 14px;
  flex: 1;
}
.card-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  transition: color .2s;
}
.card-link:hover { color: var(--brand-2); }
.side-panel { display: flex; flex-direction: column; gap: 16px; }
.side-card {
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid rgba(14, 94, 110, 0.08);
  box-shadow: var(--shadow-sm);
}
.side-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(14, 94, 110, 0.08);
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: #B8DBD9;
  color: var(--brand);
  transition: all .2s;
}
.tag:hover {
  background: var(--brand);
  color: #fff;
}
.side-reco {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(14, 94, 110, 0.05);
}
.side-reco:last-child { border-bottom: none; }
.side-reco img {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
}
.side-reco span {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  transition: color .2s;
}
.side-reco:hover span { color: var(--brand); }

/* ========== 步骤 ========== */
.steps-section { background: #fff; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-item {
  background: var(--bg-body);
  border: 1px solid rgba(14, 94, 110, 0.08);
  border-radius: 18px;
  padding: 30px 26px;
  transition: all .25s ease;
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-num {
  display: inline-block;
  font-size: 32px;
  font-weight: 800;
  color: var(--brand-3);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-item p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ========== 场景 ========== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.scenario-card {
  background: #fff;
  border-radius: 16px;
  padding: 26px 22px;
  border: 1px solid rgba(14, 94, 110, 0.08);
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}
.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 94, 110, 0.15);
}
.scenario-icon {
  font-size: 30px;
  margin-bottom: 12px;
  display: inline-block;
}
.scenario-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.scenario-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-section { background: #fff; }
.faq-list {
  max-width: 840px;
  margin: 0 auto;
}
.faq-list details {
  background: var(--bg-body);
  border: 1px solid rgba(14, 94, 110, 0.08);
  border-radius: 14px;
  margin-bottom: 12px;
  padding: 0 22px;
  transition: all .2s ease;
}
.faq-list details[open] {
  box-shadow: var(--shadow-sm);
  background: #F0FAF9;
  border-color: rgba(14, 94, 110, 0.15);
}
.faq-list summary {
  padding: 16px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 600;
  color: var(--brand);
  transition: transform .25s;
  flex-shrink: 0;
  line-height: 1;
}
.faq-list details[open] summary::after {
  content: '−';
}
.faq-list details p {
  padding-bottom: 18px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
}

/* ========== CTA ========== */
.cta-box {
  background: linear-gradient(135deg, #F59E0B, #F97316);
  border-radius: 28px;
  text-align: center;
  padding: 60px 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(245, 158, 11, 0.55);
}
.cta-box h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--dark-panel);
  margin-bottom: 12px;
  line-height: 1.3;
}
.cta-box p {
  font-size: 16px;
  color: rgba(18, 40, 58, 0.8);
  margin-bottom: 26px;
}
.btn-dark {
  display: inline-flex;
  padding: 12px 34px;
  border-radius: 999px;
  background: var(--dark-panel);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  transition: all .25s ease;
}
.btn-dark:hover {
  background: #1B3A52;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(18, 40, 58, 0.5);
}
.btn-dark:active { transform: translateY(0) scale(0.98); }
.cta-badges {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.cta-badges span {
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-panel);
  backdrop-filter: blur(4px);
}

/* ========== 页脚 ========== */
.footer {
  background: #12283A;
  color: #CBD5E0;
  margin-top: 64px;
}
.footer .container { padding-top: 48px; padding-bottom: 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
  gap: 40px;
}
.footer-brand h3 {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  color: #94A3B8;
  line-height: 1.75;
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #CBD5E0;
  transition: all .2s ease;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-social a:hover {
  background: var(--brand-2);
  color: var(--dark-panel);
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: #94A3B8;
  transition: color .2s;
}
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 32px;
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: #64748B;
}

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .hero-phone { display: none; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    background: var(--dark-panel);
    border-radius: 16px;
    padding: 16px;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    display: none;
    z-index: 60;
  }
  .nav-menu.open { display: flex; }
  .nav-card {
    text-align: center;
    padding: 12px;
    border-radius: 10px;
    font-size: 15px;
  }
  .nav-cta .btn-login { display: none; }
  .nav-cta .btn-register { padding: 8px 14px; font-size: 13px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(14, 94, 110, 0.08); padding-bottom: 16px; }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) { border-bottom: none; }
  .steps-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
  .cta-box h2 { font-size: 24px; }
  .cta-box { padding: 44px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero { padding: 64px 0; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
}
@media (max-width: 520px) {
  .logo-text { font-size: 16px; }
  .logo-icon { width: 36px; height: 36px; font-size: 19px; }
  .nav-inner { min-height: 64px; }
  .cta-badges span { font-size: 12px; padding: 5px 12px; }
}

/* roulang page: article */
:root {
    --brand: #0E5E6E;
    --brand-hover: #0B4D59;
    --brand-2: #F59E0B;
    --brand-2-hover: #F97316;
    --brand-soft: #B8DBD9;
    --bg-body: #F7F6F3;
    --bg-dark: #12283A;
    --text-main: #1A2E35;
    --text-muted: #5B6E76;
    --text-faint: #8FA3AC;
    --radius-xl: 1.5rem;
    --radius-lg: 1rem;
    --radius-md: 0.75rem;
    --shadow-card: 0 12px 40px -12px rgba(14, 94, 110, 0.2);
    --shadow-sm: 0 2px 10px rgba(14, 94, 110, 0.06);
    --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  a { text-decoration: none; color: inherit; }
  img { max-width: 100%; display: block; }
  button, input, select, textarea { font-family: inherit; font-size: inherit; }
  .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

  /* ===== 导航 ===== */
  .nav-wrap {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-dark);
    box-shadow: 0 4px 24px -8px rgba(18, 40, 58, 0.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: 76px;
    position: relative;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(145deg, var(--brand-2), #F97316);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    box-shadow: 0 6px 16px -6px rgba(245, 158, 11, 0.6);
  }
  .logo-text {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.5px;
    white-space: nowrap;
  }
  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
    align-items: center;
    justify-content: center;
  }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
  }
  .nav-card {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
    padding: 9px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.25s ease;
  }
  .nav-card:hover {
    background: var(--brand-2);
    border-color: var(--brand-2);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px -10px rgba(245, 158, 11, 0.55);
  }
  .nav-card.active {
    background: var(--brand-2);
    border-color: var(--brand-2);
    color: var(--bg-dark);
    font-weight: 700;
  }
  .nav-card:focus-visible,
  .btn-login:focus-visible,
  .btn-register:focus-visible,
  .btn-primary:focus-visible,
  .btn-dark:focus-visible,
  .pager-link:focus-visible,
  .related-card:focus-visible {
    outline: 2px solid var(--brand-2);
    outline-offset: 3px;
  }
  .nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }
  .btn-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 18px;
    border-radius: 100px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.25s ease;
  }
  .btn-login:hover { background: rgba(255, 255, 255, 0.1); }
  .btn-register {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 20px;
    border-radius: 100px;
    background: var(--brand-2);
    color: var(--bg-dark);
    font-size: 14px;
    font-weight: 700;
    transition: all 0.25s ease;
    box-shadow: 0 8px 20px -10px rgba(245, 158, 11, 0.6);
  }
  .btn-register:hover {
    background: var(--brand-2-hover);
    transform: translateY(-2px);
  }
  .btn-register:active {
    transform: translateY(0) scale(0.97);
  }

  /* ===== 文章横幅 ===== */
  .article-hero {
    position: relative;
    background-image: linear-gradient(135deg, rgba(14, 94, 110, 0.9), rgba(18, 40, 58, 0.8)), url('/assets/images/backpic/back-2.png');
    background-size: cover, cover;
    background-position: center, center;
    padding: 64px 0 100px;
    color: #fff;
  }
  .article-hero-inner {
    position: relative;
    z-index: 1;
  }
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 20px;
  }
  .breadcrumb a { color: rgba(255, 255, 255, 0.75); transition: color 0.2s; }
  .breadcrumb a:hover { color: #fff; }
  .breadcrumb .sep { color: rgba(255, 255, 255, 0.4); }
  .breadcrumb .current { color: rgba(255, 255, 255, 0.95); }
  .article-hero h1 {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.3;
    max-width: 900px;
    color: #fff;
    margin-top: 8px;
  }
  .article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
  }
  .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: 100px;
    backdrop-filter: blur(6px);
  }
  .meta-item svg { width: 14px; height: 14px; }

  /* ===== 文章主体 ===== */
  .article-main-wrap {
    position: relative;
    z-index: 2;
    margin-top: -56px;
    padding-bottom: 72px;
  }
  .article-card {
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(14, 94, 110, 0.06);
    box-shadow: var(--shadow-card);
    padding: clamp(24px, 5vw, 56px);
  }
  .article-card .divider {
    height: 1px;
    background: rgba(14, 94, 110, 0.08);
    margin: 32px 0;
  }

  /* 正文排版 */
  .article-content {
    font-size: 16px;
    line-height: 2;
    color: var(--text-main);
  }
  .article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--brand);
    margin: 36px 0 16px;
    line-height: 1.4;
  }
  .article-content h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-main);
    margin: 28px 0 12px;
    line-height: 1.5;
  }
  .article-content p { margin-bottom: 18px; }
  .article-content p:last-child { margin-bottom: 0; }
  .article-content a {
    color: var(--brand);
    font-weight: 500;
    border-bottom: 1px solid rgba(14, 94, 110, 0.2);
    transition: all 0.2s;
  }
  .article-content a:hover {
    color: var(--brand-2-hover);
    border-color: var(--brand-2-hover);
  }
  .article-content img {
    border-radius: 16px;
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
  }
  .article-content ul,
  .article-content ol {
    margin: 16px 0 20px;
    padding-left: 24px;
  }
  .article-content li { margin-bottom: 8px; }
  .article-content blockquote {
    border-left: 4px solid var(--brand-2);
    background: rgba(184, 219, 217, 0.18);
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    color: var(--text-muted);
    margin: 24px 0;
  }
  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
  }
  .article-content th,
  .article-content td {
    border: 1px solid rgba(14, 94, 110, 0.1);
    padding: 10px 14px;
    text-align: left;
  }
  .article-content th {
    background: rgba(14, 94, 110, 0.04);
    font-weight: 600;
  }

  /* 标签 */
  .article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .tag {
    display: inline-flex;
    align-items: center;
    background: rgba(184, 219, 217, 0.35);
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: 100px;
    transition: all 0.2s ease;
  }
  .tag:hover {
    background: var(--brand);
    color: #fff;
  }

  /* 上一篇 / 下一篇 */
  .article-pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .pager-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--bg-body);
    border: 1px solid rgba(14, 94, 110, 0.06);
    border-radius: var(--radius-lg);
    padding: 18px 22px;
    transition: all 0.25s ease;
  }
  .pager-link:hover {
    background: var(--brand);
    border-color: var(--brand);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
  }
  .pager-link:hover .pager-label,
  .pager-link:hover .pager-title { color: #fff; }
  .pager-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-faint);
    letter-spacing: 0.5px;
  }
  .pager-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
  }

  /* ===== 相关推荐 ===== */
  .related-section { margin-top: 52px; }
  .related-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
  }
  .related-head h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
  }
  .related-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    transition: color 0.2s;
  }
  .related-link:hover { color: var(--brand-2-hover); }
  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .related-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(14, 94, 110, 0.06);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
    display: block;
  }
  .related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card);
    border-color: rgba(14, 94, 110, 0.12);
  }
  .related-thumb {
    position: relative;
    height: 150px;
    overflow: hidden;
  }
  .related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  .related-card:hover .related-thumb img { transform: scale(1.06); }
  .related-body { padding: 16px 18px 20px; }
  .related-tag {
    display: inline-block;
    background: rgba(184, 219, 217, 0.4);
    color: var(--brand);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 100px;
    margin-bottom: 8px;
  }
  .related-body h4 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text-main);
    margin-bottom: 6px;
  }
  .related-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
  }

  /* ===== CTA 横幅 ===== */
  .cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: linear-gradient(100deg, var(--brand-2), #F97316 60%, var(--brand-2));
    border-radius: var(--radius-xl);
    padding: 36px 44px;
    margin-top: 52px;
    box-shadow: 0 16px 40px -16px rgba(245, 158, 11, 0.5);
    position: relative;
    overflow: hidden;
  }
  .cta-banner::after {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
  }
  .cta-left { position: relative; z-index: 1; }
  .cta-left h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--bg-dark);
  }
  .cta-left p {
    font-size: 14px;
    color: rgba(18, 40, 58, 0.75);
    margin-top: 6px;
  }
  .cta-left .cta-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
  }
  .cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.35);
    color: var(--bg-dark);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
  }
  .cta-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
  }
  .btn-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    color: #fff;
    padding: 13px 32px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    transition: all 0.25s ease;
    box-shadow: 0 10px 24px -10px rgba(18, 40, 58, 0.6);
    position: relative;
    z-index: 1;
  }
  .btn-dark:hover {
    transform: scale(0.98);
    background: #1C3A4F;
    box-shadow: 0 14px 30px -12px rgba(18, 40, 58, 0.5);
  }
  .btn-dark:active { transform: scale(0.95); }

  /* ===== 内容未找到 ===== */
  .not-found {
    background: #fff;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(14, 94, 110, 0.06);
    box-shadow: var(--shadow-card);
    padding: 72px 32px;
    text-align: center;
  }
  .nf-icon { font-size: 48px; margin-bottom: 16px; }
  .not-found h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-main);
  }
  .not-found p {
    font-size: 15px;
    color: var(--text-muted);
    margin: 12px 0 28px;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-2);
    color: var(--bg-dark);
    padding: 12px 28px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 700;
    transition: all 0.25s ease;
    box-shadow: 0 10px 24px -10px rgba(245, 158, 11, 0.6);
  }
  .btn-primary:hover {
    background: var(--brand-2-hover);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -12px rgba(245, 158, 11, 0.7);
  }
  .btn-primary:active {
    transform: translateY(0) scale(0.97);
  }

  /* ===== 页脚 ===== */
  .footer { background: var(--bg-dark); color: #fff; }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 64px 0 40px;
  }
  .footer-brand h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
  }
  .footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    max-width: 320px;
  }
  .footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
  }
  .footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.25s ease;
  }
  .footer-social a:hover {
    background: var(--brand-2);
    color: var(--bg-dark);
    border-color: var(--brand-2);
    transform: translateY(-3px);
  }
  .footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.9);
  }
  .footer-col ul { list-style: none; }
  .footer-col li { margin-bottom: 10px; }
  .footer-col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.2s;
  }
  .footer-col a:hover {
    color: #fff;
    padding-left: 4px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
  }
  .footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
    text-align: center;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .related-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      flex-direction: column;
      align-items: stretch;
      gap: 10px;
      background: var(--bg-dark);
      padding: 16px 24px 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 20px 40px -12px rgba(18, 40, 58, 0.5);
    }
    .nav-menu.open { display: flex; }
    .nav-card { justify-content: center; }
    .nav-inner { min-height: 64px; }
    .logo-text { font-size: 17px; }
    .nav-cta { margin-left: auto; }
    .nav-cta .btn-login { display: none; }

    .article-hero { padding: 44px 0 80px; }
    .article-main-wrap { margin-top: -40px; padding-bottom: 56px; }
    .article-meta { gap: 10px; }
    .article-pager { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-banner {
      flex-direction: column;
      text-align: center;
      padding: 28px 24px;
    }
    .cta-left h3 { font-size: 20px; }
    .footer-grid {
      grid-template-columns: 1fr;
      padding: 48px 0 32px;
      gap: 28px;
    }
  }
  @media (max-width: 520px) {
    .container { padding: 0 18px; }
    .logo-text { font-size: 15px; }
    .logo-icon {
      width: 34px;
      height: 34px;
      font-size: 17px;
    }
    .article-card { padding: 22px 18px; }
    .article-content { font-size: 15px; }
    .article-content h2 { font-size: 20px; }
    .article-content h3 { font-size: 17px; }
    .related-thumb { height: 130px; }
    .cta-banner { padding: 24px 18px; }
    .btn-dark { width: 100%; }
  }

/* roulang page: category2 */
:root {
    --brand: #0E5E6E;
    --brand-2: #F59E0B;
    --brand-3: #B8DBD9;
    --bg-body: #F7F6F3;
    --bg-card: #FFFFFF;
    --bg-dark: #12283A;
    --text-main: #1A2E35;
    --text-sub: #5B6E76;
    --text-muted: #8FA3AC;
    --border: rgba(14, 94, 110, 0.1);
    --radius-card: 20px;
    --radius-btn: 999px;
    --shadow-md: 0 8px 26px -10px rgba(14, 94, 110, 0.2);
    --shadow-lg: 0 12px 40px -12px rgba(14, 94, 110, 0.25);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 15px;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: all .25s ease; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  button { font: inherit; border: none; background: none; cursor: pointer; }
  h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.3; }

  .container { max-width: 1280px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }

  /* ===== 导航 ===== */
  .nav-wrap {
    background: var(--bg-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 8px 30px -12px rgba(18, 40, 58, 0.5);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: 76px;
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-2), #f97316);
    color: var(--bg-dark);
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
  }
  .logo-text {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
  }
  .nav-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.82);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all .25s ease;
  }
  .nav-card:hover {
    background: rgba(245, 158, 11, 0.92);
    color: var(--bg-dark);
    border-color: rgba(245, 158, 11, 0.9);
    transform: translateY(-2px);
  }
  .nav-card.active {
    background: var(--brand-2);
    color: var(--bg-dark);
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
  }
  .nav-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .btn-login {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--radius-btn);
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all .25s ease;
  }
  .btn-login:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.5);
  }
  .btn-register {
    background: var(--brand-2);
    color: var(--bg-dark);
    font-size: 14px;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: var(--radius-btn);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
    transition: all .25s ease;
  }
  .btn-register:hover {
    background: #f97316;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
  }
  .nav-toggle {
    display: none;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
  }
  @media (max-width: 991px) {
    .nav-inner { flex-wrap: wrap; }
    .nav-toggle { display: flex; order: 3; }
    .nav-menu {
      display: none;
      width: 100%;
      order: 4;
      flex-direction: column;
      align-items: stretch;
      gap: 6px;
      padding: 10px 0;
    }
    .nav-menu.open { display: flex; }
    .nav-card { justify-content: center; padding: 12px; }
    .nav-cta { margin-left: auto; }
  }
  @media (max-width: 520px) {
    .logo-text { font-size: 16px; }
    .nav-cta .btn-login { display: none; }
  }

  /* ===== 通用按钮 ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--brand-2);
    color: var(--bg-dark);
    font-weight: 700;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    transition: all .25s ease;
    border: 2px solid transparent;
  }
  .btn-primary:hover {
    background: #f97316;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5);
  }
  .btn-primary:active {
    transform: translateY(0) scale(0.98);
  }
  .btn-primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.35);
  }
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    border: 2px solid rgba(255, 255, 255, 0.6);
    transition: all .25s ease;
  }
  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
  }
  .btn-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    color: #fff;
    font-weight: 700;
    padding: 12px 32px;
    border-radius: var(--radius-btn);
    transition: all .25s ease;
  }
  .btn-dark:hover {
    background: #1e3a52;
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(18, 40, 58, 0.4);
  }

  /* ===== 板块标题 ===== */
  .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }
  @media (min-width: 768px) {
    .section { padding-top: 76px; padding-bottom: 76px; }
  }
  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 32px;
    flex-wrap: wrap;
  }
  .section-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .section-title .accent {
    color: var(--brand);
  }
  @media (min-width: 768px) {
    .section-title { font-size: 32px; }
  }
  .section-sub {
    color: var(--text-sub);
    font-size: 14px;
    margin-top: 6px;
  }
  .section-more {
    color: var(--brand);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: var(--radius-btn);
    background: var(--brand-3);
    transition: all .25s ease;
  }
  .section-more:hover {
    background: var(--brand);
    color: #fff;
  }

  /* ===== 卡片通用 ===== */
  .card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: 0 2px 12px rgba(18, 40, 58, 0.05);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all .3s ease;
  }
  .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }
  .card-img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    transition: transform .5s ease;
  }
  .card:hover .card-img { transform: scale(1.04); }
  .card-body {
    padding: 16px;
  }
  .card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 42px;
  }
  .card-desc {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: 6px;
  }

  /* ===== 徽章 ===== */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--brand-3);
    color: var(--brand);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    line-height: 1.4;
  }
  .badge-hot {
    background: var(--brand-2);
    color: #fff;
  }
  .badge-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-sub);
  }

  /* ===== 面包屑 ===== */
  .breadcrumb-wrap {
    background: linear-gradient(135deg, rgba(14, 94, 110, 0.08), rgba(184, 219, 217, 0.15));
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
  }
  .breadcrumb {
    font-size: 13px;
    color: var(--text-sub);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }
  .breadcrumb a { color: var(--brand); font-weight: 500; }
  .breadcrumb a:hover { color: #f97316; }
  .breadcrumb .sep { color: var(--text-muted); }

  /* ===== 分类 Hero ===== */
  .category-hero {
    position: relative;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    padding: 90px 0 90px;
    overflow: hidden;
  }
  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(18, 40, 58, 0.92) 15%, rgba(14, 94, 110, 0.78) 55%, rgba(18, 40, 58, 0.5) 100%);
    z-index: 1;
  }
  .category-hero .container {
    position: relative;
    z-index: 2;
  }
  .category-hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
  .category-hero h1 {
    color: #fff;
    font-size: 38px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
  }
  .category-hero h1 .highlight {
    color: var(--brand-2);
  }
  .category-hero p.lead {
    color: rgba(255, 255, 255, 0.82);
    font-size: 16px;
    margin-top: 16px;
    max-width: 540px;
    line-height: 1.75;
  }
  .hero-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 24px;
  }
  .hero-stat {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 12px 22px;
    backdrop-filter: blur(8px);
  }
  .hero-stat strong {
    color: var(--brand-2);
    font-size: 20px;
    font-weight: 800;
    display: block;
  }
  .hero-stat span {
    color: rgba(255, 255, 255, 0.75);
    font-size: 13px;
  }
  .hero-actions {
    display: flex;
    gap: 14px;
    margin-top: 32px;
    flex-wrap: wrap;
  }
  .hero-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    max-width: 420px;
    margin-left: auto;
    border: 1px solid rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
  }
  .hero-card-img {
    border-radius: 18px;
    overflow: hidden;
    aspect-ratio: 9 / 12;
    position: relative;
  }
  .hero-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .hero-card-img .play-btn {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
    animation: pulse 2s infinite;
  }
  .hero-card-img .play-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--bg-dark);
    margin-left: 2px;
  }
  @keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.9; }
  }
  .hero-card-tag {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding: 0 6px;
  }
  .hero-card-tag .t {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
  }
  .hero-card-tag .views {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
  }

  @media (max-width: 991px) {
    .category-hero { padding: 64px 0 64px; }
    .category-hero-grid { grid-template-columns: 1fr; gap: 28px; }
    .hero-card { max-width: 100%; width: 100%; }
    .hero-card-img { aspect-ratio: 16 / 10; }
  }
  @media (max-width: 520px) {
    .category-hero h1 { font-size: 28px; }
    .hero-actions .btn-primary, .hero-actions .btn-ghost {
      width: 100%;
    }
  }

  /* ===== 横向滚动卡片 ===== */
  .scroll-x {
    display: flex;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 16px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--brand-3) transparent;
  }
  .scroll-x::-webkit-scrollbar {
    height: 6px;
  }
  .scroll-x::-webkit-scrollbar-thumb {
    background: var(--brand-3);
    border-radius: 8px;
  }
  .scroll-card {
    flex: 0 0 auto;
    width: 190px;
    scroll-snap-align: start;
  }
  @media (min-width: 768px) {
    .scroll-card { width: 220px; }
  }
  .scroll-card .card-img-wrap {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
  }
  .scroll-card .card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }
  .scroll-card:hover .card-img-wrap img { transform: scale(1.05); }
  .scroll-card .card-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(18, 40, 58, 0.82) 0%, transparent 50%);
  }
  .scroll-card .badge {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
  }
  .scroll-card .card-img-text {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 12px;
    z-index: 2;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
  }
  .scroll-card .meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 12px;
    color: var(--text-sub);
    padding: 0 4px;
  }

  /* ===== 流程 / 阶梯 ===== */
  .steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    counter-reset: step;
  }
  @media (max-width: 991px) {
    .steps { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 520px) {
    .steps { grid-template-columns: 1fr; }
  }
  .step-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px;
    position: relative;
    transition: all .3s ease;
  }
  .step-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--brand);
  }
  .step-card::before {
    counter-increment: step;
    content: '0' counter(step);
    font-size: 40px;
    font-weight: 800;
    color: rgba(14, 94, 110, 0.12);
    line-height: 1;
    display: block;
    margin-bottom: 16px;
  }
  .step-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
  }
  .step-card p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.6;
  }
  .step-link {
    color: var(--brand);
    font-size: 13px;
    font-weight: 600;
    margin-top: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .step-link:hover { color: #f97316; }

  /* ===== 玩法对比表 ===== */
  .compare-card {
    background: var(--bg-card);
    border-radius: 22px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(18, 40, 58, 0.04);
  }
  .compare-row {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.6fr 1fr;
    gap: 16px;
    padding: 16px 22px;
    align-items: center;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
  }
  .compare-row:last-child { border-bottom: none; }
  .compare-row.head {
    background: var(--bg-dark);
    color: #fff;
    font-weight: 700;
    border-radius: 22px 22px 0 0;
  }
  .compare-row.head .row-label { color: var(--brand-2); }
  .compare-row .row-label {
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .compare-row .badge { white-space: nowrap; }
  @media (max-width: 768px) {
    .compare-row {
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .compare-row .full {
      grid-column: 1 / -1;
    }
  }

  /* ===== 适合人群 ===== */
  .audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  @media (max-width: 991px) {
    .audience-grid { grid-template-columns: 1fr; }
  }
  .audience-card {
    background: var(--bg-card);
    border-radius: 22px;
    padding: 28px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transition: all .3s ease;
  }
  .audience-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }
  .audience-card .icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--brand-3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand);
    margin-bottom: 16px;
    font-size: 22px;
  }
  .audience-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .audience-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.65;
  }
  .audience-card ul {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .audience-card li {
    font-size: 13px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .audience-card li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-2);
    flex-shrink: 0;
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 860px;
    margin: 0 auto;
  }
  .faq-item {
    border-bottom: 1px solid var(--border);
  }
  .faq-item:last-child { border-bottom: none; }
  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    text-align: left;
    transition: color .2s;
  }
  .faq-question:hover {
    color: var(--brand);
  }
  .faq-question .icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--brand-3);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
    transition: all .25s ease;
  }
  .faq-item.open .icon {
    background: var(--brand-2);
    color: var(--bg-dark);
    transform: rotate(180deg);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    padding-left: 4px;
    padding-right: 4px;
  }
  .faq-item.open .faq-answer {
    max-height: 240px;
    padding-bottom: 18px;
  }
  .faq-answer p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
  }

  /* ===== CTA 横幅 ===== */
  .cta-section {
    position: relative;
    border-radius: 28px;
    overflow: hidden;
    background: linear-gradient(120deg, var(--brand-2) 0%, #f97316 60%, var(--brand-2) 100%);
    padding: 52px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: 0 20px 50px -16px rgba(245, 158, 11, 0.5);
    margin-bottom: 80px;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
  }
  .cta-content h2 {
    color: var(--bg-dark);
    font-size: 28px;
    font-weight: 800;
    line-height: 1.3;
  }
  .cta-content p {
    color: rgba(18, 40, 58, 0.8);
    font-size: 15px;
    margin-top: 8px;
    max-width: 420px;
  }
  .cta-badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 16px;
  }
  .cta-badges span {
    font-size: 13px;
    font-weight: 600;
    color: var(--bg-dark);
    background: rgba(255, 255, 255, 0.45);
    padding: 4px 12px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .cta-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
  }
  .countdown-card {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 18px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    backdrop-filter: blur(6px);
    width: 100%;
    justify-content: space-between;
  }
  .countdown-card .label {
    font-size: 13px;
    color: var(--bg-dark);
    font-weight: 600;
  }
  .countdown-card .timer {
    font-size: 18px;
    font-weight: 800;
    color: var(--bg-dark);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
  }
  .cta-actions .btn-dark {
    width: 100%;
  }
  @media (max-width: 900px) {
    .cta-section {
      flex-direction: column;
      padding: 36px 24px;
      text-align: center;
    }
    .cta-content p { margin-left: auto; margin-right: auto; }
    .cta-actions { width: 100%; }
  }

  /* ===== 数据展示 ===== */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  @media (max-width: 991px) {
    .feature-grid { grid-template-columns: 1fr; }
  }
  .feature-card {
    background: var(--bg-card);
    border-radius: 22px;
    padding: 28px 24px;
    border: 1px solid var(--border);
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: all .3s ease;
  }
  .feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
  }
  .feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 16px;
    background: var(--brand-3);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 24px;
  }
  .feature-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
  }
  .feature-card p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.65;
  }

  /* ===== 快捷入口 ===== */
  .quick-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  @media (max-width: 900px) {
    .quick-grid { grid-template-columns: 1fr; }
  }
  .quick-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border);
    transition: all .3s ease;
  }
  .quick-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--brand);
  }
  .quick-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: var(--brand-2);
    color: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
  }
  .quick-card h4 {
    font-size: 15px;
    font-weight: 700;
  }
  .quick-card p {
    font-size: 13px;
    color: var(--text-sub);
  }
  .quick-arrow {
    margin-left: auto;
    color: var(--brand);
    font-size: 18px;
  }

  /* ===== 页脚 ===== */
  .footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.75);
    padding-top: 60px;
    margin-top: 20px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }
  @media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  }
  @media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; }
  }
  .footer-brand h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .footer-brand p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 10px;
    max-width: 320px;
  }
  .footer-social {
    display: flex;
    gap: 10px;
    margin-top: 18px;
  }
  .footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all .25s ease;
  }
  .footer-social a:hover {
    background: var(--brand-2);
    color: var(--bg-dark);
    transform: translateY(-3px);
  }
  .footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 14px;
  }
  .footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-col ul a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    transition: all .25s ease;
  }
  .footer-col ul a:hover {
    color: var(--brand-2);
    padding-left: 4px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 18px 0;
  }
  .footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
  }

  /* ===== 辅助 ===== */
  .text-sub { color: var(--text-sub); }
  .hidden-mobile { display: inline-flex; }
  @media (max-width: 520px) {
    .hidden-mobile { display: none; }
  }

  /* 装饰竖线 */
  .divider-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--brand-3);
    display: inline-block;
    margin: 0 8px;
    vertical-align: middle;
  }

/* roulang page: category3 */
:root {
  --brand: #0E5E6E;
  --brand-light: #B8DBD9;
  --accent: #F59E0B;
  --accent-2: #F97316;
  --bg-body: #F7F6F3;
  --text-1: #1A2E35;
  --text-2: #5B6E76;
  --text-3: #8FA3AC;
  --dark: #12283A;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 12px 40px -12px rgba(14,94,110,0.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-body);
  color: var(--text-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, textarea { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

/* ===== Navigation ===== */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(14,94,110,0.08);
  box-shadow: 0 4px 24px -16px rgba(14,94,110,0.25);
}
.nav-inner { display: flex; align-items: center; gap: 16px; min-height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--accent); color: var(--dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
}
.logo-text { font-size: 18px; font-weight: 800; color: var(--brand); white-space: nowrap; }
.nav-menu { display: flex; align-items: center; gap: 10px; margin-left: 16px; flex: 1; }
.nav-card {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 14px;
  background: rgba(14,94,110,0.06);
  color: var(--text-1);
  font-size: 14px; font-weight: 600;
  border: 1px solid rgba(14,94,110,0.04);
  transition: all 0.2s ease;
}
.nav-card:hover {
  background: rgba(14,94,110,0.12);
  transform: translateY(-1px);
}
.nav-card.active {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(14,94,110,0.5);
}
.nav-cta { display: flex; gap: 10px; margin-left: auto; }
.btn-login, .btn-register {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 20px; border-radius: 999px;
  font-size: 14px; font-weight: 700;
  transition: all 0.2s ease;
}
.btn-login { color: var(--brand); border: 1.5px solid rgba(14,94,110,0.35); background: transparent; }
.btn-login:hover { background: rgba(14,94,110,0.08); }
.btn-register { background: var(--accent); color: var(--dark); box-shadow: 0 8px 20px -8px rgba(245,158,11,0.5); }
.btn-register:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 10px 24px -8px rgba(245,158,11,0.6); }
.nav-toggle { display: none; background: none; border: none; color: var(--brand); cursor: pointer; padding: 8px; border-radius: 10px; }
.nav-toggle:hover { background: rgba(14,94,110,0.08); }

/* ===== Hero ===== */
.hero-cat {
  position: relative;
  padding: 88px 0;
  color: #fff;
  background: linear-gradient(135deg, rgba(14,94,110,0.88), rgba(14,94,110,0.68) 50%, rgba(18,40,58,0.85)), url('/assets/images/backpic/back-2.png') center/cover;
  overflow: hidden;
}
.hero-cat-inner { max-width: 860px; }
.hero-cat .badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 8px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  backdrop-filter: blur(6px);
  margin-bottom: 22px;
}
.hero-cat h1 {
  font-size: 42px; line-height: 1.15; font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero-cat p {
  font-size: 18px; color: rgba(255,255,255,0.92);
  max-width: 600px; margin: 0 0 30px; line-height: 1.7;
}
.hero-cat-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 28px; border-radius: 999px;
  font-size: 15px; font-weight: 700;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--dark);
  box-shadow: 0 10px 24px -8px rgba(245,158,11,0.6);
}
.btn-primary:hover { background: var(--accent-2); transform: translateY(-2px); box-shadow: 0 14px 28px -8px rgba(245,158,11,0.7); }
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-primary:focus-visible { outline: none; ring: 4px solid rgba(245,158,11,0.3); }
.btn-ghost {
  border: 2px solid rgba(255,255,255,0.75);
  background: transparent;
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); }
.btn-ghost:active { transform: scale(0.98); }

/* ===== Section ===== */
.section { padding: 72px 0; }
.section-alt { background: #fff; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head h2 { font-size: 28px; font-weight: 800; color: var(--text-1); margin: 0; letter-spacing: -0.02em; }
.section-head p { color: var(--text-2); margin: 6px 0 0; font-size: 15px; }

/* ===== Category Guide Layout ===== */
.cat-layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.cat-main { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.cat-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(14,94,110,0.08);
  box-shadow: 0 10px 30px -18px rgba(14,94,110,0.25);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px -18px rgba(14,94,110,0.35);
}
.cat-card-cover { aspect-ratio: 4/3; overflow: hidden; display: block; }
.cat-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cat-card:hover .cat-card-cover img { transform: scale(1.05); }
.cat-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.cat-card-body h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; color: var(--text-1); }
.cat-card-body p { font-size: 14px; color: var(--text-2); line-height: 1.65; margin: 0 0 16px; flex: 1; }
.cat-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--brand); font-weight: 700; font-size: 14px;
  transition: color 0.2s;
}
.cat-link:hover { color: var(--accent-2); }

/* ===== Sidebar ===== */
.cat-side { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 96px; }
.side-card {
  background: #fff;
  border-radius: 20px;
  padding: 22px;
  border: 1px solid rgba(14,94,110,0.08);
  box-shadow: 0 10px 30px -18px rgba(14,94,110,0.2);
}
.side-card h3 { font-size: 16px; font-weight: 700; margin: 0 0 16px; color: var(--text-1); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-block;
  background: rgba(184,219,217,0.35);
  color: var(--brand);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}
.tag:hover { background: var(--brand); color: #fff; transform: translateY(-1px); }
.mini-card { display: flex; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(14,94,110,0.06); }
.mini-card:last-child { border-bottom: none; }
.mini-card img { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; flex-shrink: 0; }
.mini-card-text h4 { font-size: 14px; font-weight: 700; margin: 0 0 4px; color: var(--text-1); }
.mini-card-text p { font-size: 12px; color: var(--text-2); margin: 0; line-height: 1.4; }

/* ===== Feature ===== */
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.feature-item {
  display: flex; gap: 16px;
  background: var(--bg-body);
  border: 1px solid rgba(14,94,110,0.06);
  border-radius: 20px;
  padding: 24px;
  transition: all 0.25s ease;
}
.feature-item:hover { background: #fff; box-shadow: var(--shadow-card); transform: translateY(-3px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: var(--brand); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.feature-item h3 { font-size: 17px; font-weight: 700; margin: 0 0 6px; color: var(--text-1); }
.feature-item p { font-size: 14px; color: var(--text-2); margin: 0; line-height: 1.65; }

/* ===== Scene ===== */
.scene-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.scene-card {
  display: flex; gap: 20px;
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(14,94,110,0.07);
  box-shadow: 0 10px 30px -18px rgba(14,94,110,0.2);
  transition: all 0.25s ease;
}
.scene-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.scene-card img { width: 120px; height: 120px; border-radius: 16px; object-fit: cover; flex-shrink: 0; }
.scene-card h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; color: var(--text-1); }
.scene-card p { font-size: 14px; color: var(--text-2); margin: 0; line-height: 1.7; }

/* ===== Steps ===== */
.section-dark { background: var(--dark); }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.step-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 28px 22px;
  transition: all 0.25s ease;
}
.step-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.step-num {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--accent); color: var(--dark);
  font-weight: 800; display: flex; align-items: center; justify-content: center;
  font-size: 18px; margin-bottom: 16px;
}
.step-card h3 { color: #fff; font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.step-card p { color: rgba(255,255,255,0.75); font-size: 14px; margin: 0; line-height: 1.65; }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(14,94,110,0.1); }
.faq-item summary {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 0; cursor: pointer;
  font-weight: 600; font-size: 16px;
  color: var(--text-1);
  list-style: none;
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--brand); }
.faq-item .faq-icon {
  margin-left: auto;
  width: 28px; height: 28px; border-radius: 8px;
  background: rgba(14,94,110,0.08);
  color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; flex-shrink: 0;
  transition: all 0.2s ease;
}
.faq-item[open] .faq-icon { transform: rotate(45deg); background: var(--brand); color: #fff; }
.faq-item .answer { color: var(--text-2); font-size: 14px; line-height: 1.75; padding: 0 0 20px; }

/* ===== CTA Banner ===== */
.cta-banner {
  position: relative;
  background: linear-gradient(120deg, var(--brand), var(--dark));
  border-radius: 28px;
  padding: 56px 48px;
  overflow: hidden;
}
.cta-banner::after {
  content: '';
  position: absolute;
  right: -80px; top: -80px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(245,158,11,0.16);
}
.cta-banner::before {
  content: '';
  position: absolute;
  left: -60px; bottom: -100px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(184,219,217,0.1);
}
.cta-title { font-size: 32px; font-weight: 800; color: #fff; margin: 0 0 10px; position: relative; z-index: 1; }
.cta-sub { color: rgba(255,255,255,0.85); font-size: 16px; margin: 0 0 28px; max-width: 560px; position: relative; z-index: 1; line-height: 1.7; }
.cta-banner .btn-primary { position: relative; z-index: 1; }

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: #fff;
  padding-top: 64px;
  margin-top: 72px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand h3 { font-size: 20px; margin: 0 0 12px; font-weight: 800; }
.footer-brand p { color: rgba(255,255,255,0.65); font-size: 14px; line-height: 1.7; max-width: 360px; margin: 0; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all 0.2s ease;
}
.footer-social a:hover { background: var(--accent); color: var(--dark); transform: translateY(-2px); }
.footer-col h4 { font-size: 15px; margin: 0 0 16px; color: #fff; font-weight: 700; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.6); font-size: 14px; transition: color 0.2s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 12px; margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .cat-main { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cat-layout { grid-template-columns: 1fr; }
  .cat-side { position: static; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #fff;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    border-bottom: 1px solid rgba(14,94,110,0.08);
    box-shadow: 0 20px 30px -20px rgba(14,94,110,0.3);
  }
  .nav-menu.open { display: flex; }
  .nav-cta { margin-left: auto; }
  .hero-cat { padding: 56px 0; }
  .hero-cat h1 { font-size: 30px; }
  .hero-cat p { font-size: 16px; }
  .feature-grid, .scene-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { padding: 40px 28px; }
  .cta-title { font-size: 26px; }
}
@media (max-width: 520px) {
  .cat-main { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .scene-card { flex-direction: column; }
  .scene-card img { width: 100%; height: 180px; }
  .hero-cat-btns { flex-direction: column; align-items: stretch; }
  .hero-cat-btns .btn-primary, .hero-cat-btns .btn-ghost { text-align: center; }
}