/* roulang page: index */
:root {
  --primary: #2C6B9E;
  --primary-dark: #1C3B5B;
  --accent: #E8A33D;
  --success: #4A8C6E;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --text-title: #1C3B5B;
  --text-body: #40566E;
  --text-muted: #7B8FA0;
  --border: #E1E9F2;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(44,107,158,0.07);
  --shadow-hover: 0 8px 30px rgba(44,107,158,0.12);
  --shadow-accent: 0 12px 40px rgba(232,163,61,0.15);
  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s; }
a:hover { color: var(--primary-dark); }
ul, ol { padding-left: 1.2em; }
button { font-family: inherit; }

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

.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-title {
  font-size: 32px;
  line-height: 1.3;
  color: var(--text-title);
  font-weight: 700;
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--accent);
}
.section-sub {
  margin-top: 14px;
  font-size: 17px;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid rgba(44,107,158,0.35); outline-offset: 2px; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(232,163,61,0.3);
}
.btn-primary:hover { background: #d8952c; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,163,61,0.4); }
.btn-primary:active { transform: scale(0.98); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: rgba(44,107,158,0.08); color: var(--primary); transform: translateY(-2px); }
.btn-outline:active { transform: scale(0.98); }
.btn-inner { background: #fff; color: var(--primary); }
.btn-inner:hover { background: #F0F6FC; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 72px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.brand {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.brand i {
  color: var(--accent);
  font-size: 22px;
  background: rgba(232,163,61,0.15);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.header-cta { padding: 10px 24px; font-size: 14px; }

.nav-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  order: 3;
  width: 100%;
  overflow-x: auto;
  padding: 4px 0 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-chips::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: all .25s;
}
.chip:hover { background: #EAF2FA; border-color: var(--primary); }
.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
  padding-top: 150px;
  padding-bottom: 80px;
  background:
    radial-gradient(circle, rgba(44,107,158,0.05) 1px, transparent 1px),
    linear-gradient(180deg, #F0F7FF 0%, #FFFFFF 100%);
  background-size: 24px 24px, cover;
  overflow: hidden;
}
.hero-bg-image {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.12;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 800px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232,163,61,0.15);
  color: #c07d1e;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 42px;
  line-height: 1.3;
  color: var(--text-title);
  font-weight: 700;
  margin-bottom: 18px;
}
.hero h1 .highlight {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-color: rgba(232,163,61,0.5);
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 5px; }
.hero-trust i { color: var(--success); }

/* ===== Quick Nav ===== */
.quick-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(44,107,158,0.04);
}
.quick-nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  justify-content: center;
  padding: 12px 24px;
}
.quick-nav-inner a {
  font-size: 14px;
  color: var(--text-body);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.quick-nav-inner a:hover { color: var(--primary); border-bottom-color: var(--accent); }

/* ===== Feature ===== */
.feature-grid { margin-top: 8px; }
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  height: 100%;
}
.feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.feature-card.feature-wide {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: center;
}
.feature-wide .feature-body { flex: 1; min-width: 280px; }
.feature-wide .feature-media { flex: 1; min-width: 280px; }
.feature-media img { border-radius: 10px; width: 100%; height: 240px; object-fit: cover; }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  background: rgba(44,107,158,0.08);
  color: var(--primary);
}
.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
  line-height: 1.4;
}
.feature-card p { font-size: 15px; color: var(--text-body); line-height: 1.8; }
.feature-card ul { margin-top: 12px; }
.feature-card li { font-size: 14px; color: var(--text-body); margin-bottom: 6px; list-style: none; position: relative; padding-left: 22px; }
.feature-card li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 700; }

/* ===== Demo ===== */
.demo-section { background: var(--bg); }
.browser-window {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}
.browser-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: #F8FAFD;
  border-bottom: 1px solid var(--border);
}
.browser-dot { width: 12px; height: 12px; border-radius: 50%; }
.browser-dot:nth-child(1) { background: #FF5F57; }
.browser-dot:nth-child(2) { background: #FEBC2E; }
.browser-dot:nth-child(3) { background: #28C840; }
.browser-address {
  flex: 1;
  margin-left: 10px;
  background: #EDF1F5;
  border-radius: 6px;
  padding: 4px 14px;
  font-size: 13px;
  color: var(--text-muted);
}
.browser-body {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 40px;
  align-items: center;
}
.demo-steps { flex: 1; min-width: 280px; }
.step-item {
  display: flex;
  gap: 18px;
  margin-bottom: 28px;
  position: relative;
}
.step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: -18px;
  width: 2px;
  background: var(--border);
}
.step-num {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  z-index: 1;
}
.step-item h4 { font-size: 18px; color: var(--text-title); margin-bottom: 4px; }
.step-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.demo-preview { flex: 1; min-width: 280px; }
.demo-preview img { border-radius: 12px; box-shadow: var(--shadow); width: 100%; height: auto; }

/* ===== Proof ===== */
.proof-section { background: var(--primary-dark); color: #fff; position: relative; overflow: hidden; }
.proof-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: 0.08;
}
.proof-section .container { position: relative; z-index: 1; }
.proof-section .section-title { color: #fff; }
.proof-section .section-title::after { background: var(--accent); }
.proof-section .section-sub { color: rgba(255,255,255,0.7); }
.proof-grid { margin-top: 16px; }
.proof-item {
  text-align: center;
  padding: 24px;
}
.proof-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.proof-label { font-size: 14px; color: rgba(255,255,255,0.7); margin-top: 4px; }
.proof-quotes {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.quote-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 24px;
}
.quote-card .quote-text { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,0.9); }
.quote-card .quote-user { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 12px; display: flex; align-items: center; gap: 8px; }
.quote-user i { color: var(--accent); }

/* ===== Pricing ===== */
.pricing-grid { margin-top: 12px; align-items: center; }
.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.pricing-card.recommended {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-accent);
  position: relative;
  padding: 40px 32px;
  z-index: 1;
}
.pricing-card.recommended:hover { transform: translateY(-4px); }
.recommend-tag {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 18px;
  border-radius: 16px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(232,163,61,0.35);
}
.pricing-plan { font-size: 18px; font-weight: 700; color: var(--text-title); margin-bottom: 8px; }
.pricing-price { font-size: 48px; font-weight: 700; color: var(--text-title); line-height: 1.2; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin: 12px 0; }
.pricing-price small { font-size: 16px; -webkit-text-fill-color: var(--text-muted); font-weight: 400; }
.pricing-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.pricing-list { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.pricing-list li {
  font-size: 14px;
  color: var(--text-body);
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pricing-list li:last-child { border-bottom: none; }
.pricing-list li i { color: var(--success); font-size: 14px; }
.pricing-card .btn { width: 100%; }

/* ===== News ===== */
.news-section { background: var(--bg); }
.news-list { max-width: 880px; margin: 0 auto; }
.news-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all .3s;
  margin-bottom: 16px;
}
.news-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-thumb {
  width: 96px;
  height: 96px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}
.news-info { flex: 1; min-width: 0; }
.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-title a { color: inherit; }
.news-title a:hover { color: var(--primary); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}
.news-cat {
  background: rgba(44,107,158,0.08);
  color: var(--primary);
  padding: 2px 12px;
  border-radius: 12px;
  border: 1px solid rgba(44,107,158,0.2);
  font-size: 12px;
}
.news-link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap .3s;
}
.news-link:hover { gap: 8px; }
.news-empty {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  background: #fff;
}
.news-empty i { font-size: 32px; margin-bottom: 10px; display: block; }
.news-empty p { font-size: 15px; }

/* ===== FAQ ===== */
.faq-section { background: #fff; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .3s;
}
.faq-item:hover { box-shadow: var(--shadow-hover); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  text-align: left;
  transition: background .25s;
}
.faq-q:hover { background: #F8FAFD; }
.faq-q i { color: var(--primary); font-size: 18px; flex-shrink: 0; transition: transform .3s; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  padding: 0 24px;
}
.faq-a p {
  padding: 0 0 20px;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}
.faq-item.open .faq-a { max-height: 500px; }
.faq-item.open .faq-q i { transform: rotate(180deg); }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity: 0.08;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-box { text-align: center; max-width: 720px; margin: 0 auto; }
.cta-box h2 { font-size: 32px; color: #fff; margin-bottom: 14px; line-height: 1.3; }
.cta-box p { font-size: 16px; color: rgba(255,255,255,0.75); margin-bottom: 30px; }
.cta-box .btn-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-form {
  max-width: 520px;
  margin: 24px auto 0;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 32px;
}
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 6px; }
.form-input {
  width: 100%;
  height: 48px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 0 16px;
  font-size: 15px;
  background: rgba(255,255,255,0.95);
  color: var(--text-body);
  transition: all .25s;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,163,61,0.25);
}
.privacy-note { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 10px; }
.btn-light { background: var(--accent); color: #fff; }
.btn-light:hover { background: #d8952c; color: #fff; }
.btn-ghost { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.25); color: #fff; }

/* ===== Footer ===== */
.site-footer { background: #1C3B5B; color: rgba(255,255,255,0.7); padding-top: 60px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { font-size: 24px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 8px; }
.footer-brand i { color: var(--accent); }
.footer-desc { font-size: 14px; line-height: 1.8; margin-top: 12px; color: rgba(255,255,255,0.55); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  transition: color .2s, padding-left .2s;
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--accent); }
.social-row { display: flex; gap: 12px; margin-top: 16px; }
.social-row a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  transition: all .25s;
}
.social-row a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* ===== Floating CTA ===== */
.floating-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 999;
  background: var(--accent);
  color: #fff;
  border-radius: 24px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 30px rgba(232,163,61,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all .35s;
  text-decoration: none;
}
.floating-cta:hover { background: #d8952c; color: #fff; transform: translateY(-2px); }
.floating-cta.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ===== Responsive ===== */
@media (min-width: 1025px) {
  .header-inner { flex-wrap: nowrap; }
  .nav-chips { order: 0; width: auto; flex: 1; justify-content: center; padding: 0; }
  .header-cta { order: 0; }
}

@media (max-width: 1024px) and (min-width: 641px) {
  .hero h1 { font-size: 34px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 28px; }
  .browser-body { padding: 32px; }
}

@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .hero { padding-top: 130px; padding-bottom: 48px; min-height: auto; }
  .hero h1 { font-size: 27px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .btn { padding: 12px 24px; font-size: 14px; }
  .quick-nav-inner { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  .section-title { font-size: 24px; }
  .feature-card { padding: 24px; }
  .feature-wide { gap: 20px; }
  .proof-num { font-size: 36px; }
  .pricing-card.recommended { padding: 32px 24px; }
  .news-item { flex-direction: column; padding: 20px; }
  .news-thumb { width: 100%; height: 120px; }
  .news-link { margin-left: 0; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .floating-cta { right: 16px; bottom: 16px; padding: 12px 22px; font-size: 14px; }
  .browser-body { padding: 20px; flex-direction: column; }
  .cta-box h2 { font-size: 24px; }
  .brand { font-size: 20px; }
  .header-cta { padding: 8px 18px; font-size: 13px; }
}

/* roulang page: article */
:root {
  --primary: #2C6B9E;
  --primary-light: #4A8CBE;
  --primary-lighter: #EAF2F8;
  --accent: #E8A33D;
  --accent-light: #FDF3E3;
  --success: #4A8C6E;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --title-color: #1C3B5B;
  --text-color: #40566E;
  --muted-color: #7B8FA0;
  --border-color: #E1E9F2;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(44,107,158,0.07);
  --shadow-hover: 0 8px 30px rgba(44,107,158,0.12);
  --shadow-accent: 0 12px 40px rgba(232,163,61,0.15);
  --nav-height: 72px;
  --container-width: 1200px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text-color);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-light); }
ul, ol { padding-left: 1.25em; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 { font-size: 32px; color: var(--title-color); font-weight: 700; letter-spacing: -0.5px; }
.section-head h2::after { content: ''; display: block; width: 48px; height: 3px; background: var(--accent); border-radius: 2px; margin: 16px auto 0; }
.section-head p { color: var(--muted-color); font-size: 16px; margin-top: 12px; }

.btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; border-radius: 24px; padding: 14px 36px; font-size: 16px; cursor: pointer; border: 1px solid transparent; transition: all .25s ease; text-align: center; gap: 8px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 3px solid rgba(44,107,158,0.3); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff !important; box-shadow: 0 4px 16px rgba(232,163,61,0.25); }
.btn-primary:hover { background: #D08F2B; box-shadow: 0 6px 22px rgba(232,163,61,0.35); }
.btn-secondary { background: transparent; color: var(--primary) !important; border-color: var(--primary); }
.btn-secondary:hover { background: var(--primary-lighter); }
.btn-lg { padding: 16px 44px; font-size: 17px; }
.btn .fa { font-size: 14px; }

.site-header { position: sticky; top: 0; z-index: 100; height: var(--nav-height); background: rgba(255,255,255,0.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-height); gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--title-color) !important; white-space: nowrap; }
.brand i { color: var(--accent); font-size: 24px; }
.nav-chips { display: flex; align-items: center; gap: 8px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.nav-chips::-webkit-scrollbar { display: none; }
.chip { display: inline-flex; align-items: center; padding: 8px 20px; border-radius: 20px; font-size: 14px; font-weight: 500; color: var(--primary); background: #fff; border: 1px solid var(--border-color); white-space: nowrap; transition: all .2s ease; }
.chip:hover { background: var(--primary-lighter); border-color: var(--primary); }
.chip.active { background: var(--primary); color: #fff !important; border-color: var(--primary); box-shadow: 0 2px 10px rgba(44,107,158,0.2); }
.header-cta { padding: 10px 26px; font-size: 14px; }

.breadcrumb-bar { background: linear-gradient(180deg, #F5F8FC 0%, #EAF2F8 100%); padding: 48px 0 24px; border-bottom: 1px solid var(--border-color); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--muted-color); margin-bottom: 20px; }
.breadcrumb a { color: var(--muted-color); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #BFCBD6; }
.breadcrumb .current { color: var(--primary); font-weight: 500; max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article-header { padding-bottom: 20px; }
.article-title { font-size: 38px; line-height: 1.35; color: var(--title-color); font-weight: 700; letter-spacing: -0.5px; max-width: 900px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 16px; font-size: 14px; color: var(--muted-color); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); }

.article-section { padding: 48px 0 64px; }
.article-body { background: #fff; border: 1px solid var(--border-color); border-radius: 16px; padding: 48px; box-shadow: var(--shadow); }
.article-body > * + * { margin-top: 1em; }
.article-body h1, .article-body h2, .article-body h3, .article-body h4, .article-body h5, .article-body h6 { color: var(--title-color); line-height: 1.4; margin-top: 1.6em; margin-bottom: 0.6em; font-weight: 700; }
.article-body h1 { font-size: 30px; }
.article-body h2 { font-size: 26px; border-left: 4px solid var(--accent); padding-left: 16px; }
.article-body h3 { font-size: 22px; }
.article-body p { margin-bottom: 1em; color: var(--text-color); }
.article-body ul, .article-body ol { margin-bottom: 1em; padding-left: 1.6em; }
.article-body li { margin-bottom: 0.4em; }
.article-body blockquote { border-left: 4px solid var(--accent); background: var(--accent-light); padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--title-color); margin: 1.5em 0; }
.article-body blockquote p { margin-bottom: 0; }
.article-body img { border-radius: var(--radius); margin: 1.5em 0; box-shadow: var(--shadow); }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--accent); }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.article-body table th { background: var(--primary-lighter); color: var(--title-color); font-weight: 600; text-align: left; padding: 12px 16px; border: 1px solid var(--border-color); }
.article-body table td { padding: 10px 16px; border: 1px solid var(--border-color); }
.article-body code { background: var(--bg); padding: 2px 8px; border-radius: 4px; font-size: 0.9em; color: var(--primary); }

.not-found { text-align: center; padding: 80px 40px; background: #fff; border: 1px solid var(--border-color); border-radius: 16px; box-shadow: var(--shadow); }
.not-found i { font-size: 48px; color: var(--muted-color); }
.not-found h2 { font-size: 26px; color: var(--title-color); margin: 20px 0 8px; }
.not-found p { color: var(--muted-color); margin-bottom: 32px; }

.related-section { padding: 64px 0; background: #fff; border-top: 1px solid var(--border-color); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { display: block; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); transition: all .25s ease; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-thumb { height: 170px; overflow: hidden; background: var(--primary-lighter); }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-card h3 { font-size: 18px; color: var(--title-color); font-weight: 600; padding: 20px 20px 4px; line-height: 1.4; }
.related-card p { font-size: 14px; color: var(--muted-color); padding: 0 20px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-meta { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px 20px; }
.category-tag { display: inline-block; padding: 3px 14px; border-radius: 12px; border: 1px solid var(--primary); color: var(--primary); font-size: 12px; font-weight: 500; }
.date { font-size: 13px; color: var(--muted-color); }
.empty-box { grid-column: 1 / -1; border: 2px dashed var(--border-color); border-radius: var(--radius); padding: 48px 24px; text-align: center; color: var(--muted-color); background: var(--bg); }

.cta-section { padding: 64px 0; background: var(--bg); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; background: var(--title-color); border-radius: 20px; padding: 40px 48px; box-shadow: 0 16px 40px rgba(28,59,91,0.2); }
.cta-content h2 { color: #fff; font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.cta-content p { color: #B8C9DA; font-size: 15px; }

.site-footer { background: #1C3B5B; color: #A9BCCB; padding: 64px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.4fr 2fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand { font-size: 22px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; }
.footer-brand i { color: var(--accent); }
.footer-desc { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 380px; }
.social-row { display: flex; gap: 14px; margin-top: 24px; }
.social-row a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; transition: all .2s ease; }
.social-row a:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.footer-col h4 { font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 18px; }
.footer-col a { display: block; font-size: 14px; color: #A9BCCB; padding: 4px 0; transition: all .2s ease; }
.footer-col a:hover { color: var(--accent); padding-left: 6px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 20px 0 28px; font-size: 13px; color: #6E879B; }
.footer-bottom a { color: #6E879B; }
.footer-bottom a:hover { color: var(--accent); }

.floating-cta { position: fixed; bottom: 32px; right: 32px; z-index: 99; background: var(--accent); color: #fff; padding: 14px 28px; border-radius: 30px; box-shadow: 0 8px 24px rgba(232,163,61,0.35); font-weight: 600; display: none; align-items: center; gap: 8px; font-size: 14px; transition: all .25s ease; }
.floating-cta:hover { background: #D08F2B; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(232,163,61,0.4); color: #fff; }
.floating-cta.show { display: inline-flex; }

.back-to-home { text-align: center; padding: 32px 0 64px; }

@media (max-width: 1024px) {
  .header-cta { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { flex-direction: column; text-align: center; padding: 32px 24px; }
  .article-title { font-size: 32px; }
}

@media (max-width: 768px) {
  .nav-chips { order: 3; width: 100%; justify-content: flex-start; padding: 8px 0; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 8px; }
  .site-header { height: auto; position: sticky; }
  .brand { font-size: 18px; }
  .chip { padding: 6px 16px; font-size: 13px; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 26px; }
  .section-head { margin-bottom: 32px; }
  .article-body { padding: 24px; }
  .article-title { font-size: 28px; }
  .article-meta { gap: 12px; }
  .related-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .floating-cta { bottom: 16px; right: 16px; padding: 12px 22px; font-size: 13px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-body { padding: 20px 16px; border-radius: 10px; }
  .article-title { font-size: 24px; }
  .footer-links { grid-template-columns: 1fr; }
  .breadcrumb-bar { padding: 32px 0 16px; }
  .breadcrumb .current { max-width: 200px; }
}

/* roulang page: category1 */
:root{
  --primary:#2C6B9E;
  --primary-dark:#1E527E;
  --accent:#E8A33D;
  --accent-dark:#C98927;
  --success:#4A8C6E;
  --bg:#F5F8FC;
  --card-bg:#FFFFFF;
  --heading:#1C3B5B;
  --text:#40566E;
  --muted:#7B8FA0;
  --border:#E1E9F2;
  --radius:12px;
  --shadow:0 4px 20px rgba(44,107,158,0.07);
  --shadow-hover:0 8px 30px rgba(44,107,158,0.12);
  --shadow-accent:0 12px 40px rgba(232,163,61,0.15);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-alt{background:#EBF1F8;}
.text-center{text-align:center;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;line-height:1;padding:14px 36px;
  border-radius:24px;border:2px solid transparent;cursor:pointer;
  transition:all .25s ease;white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(44,107,158,.35);outline-offset:2px;}
.btn:active{transform:scale(.98);}
.btn i{margin-right:6px;}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 4px 15px rgba(232,163,61,.25);}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:#EAF2FA;color:var(--primary);}
.btn-light{background:#fff;color:var(--primary);border-color:#fff;box-shadow:0 4px 15px rgba(0,0,0,.08);}
.btn-light:hover{background:#F0F5FA;color:var(--primary-dark);}

.site-header{
  position:sticky;top:0;z-index:1000;height:72px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px;}
.brand{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:700;color:var(--heading);letter-spacing:.5px;flex-shrink:0;}
.brand i{color:var(--accent);font-size:24px;}
.nav-chips{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;padding:4px 0;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  padding:8px 18px;border-radius:20px;border:1px solid var(--border);
  background:#fff;color:var(--primary);font-size:14px;font-weight:500;
  white-space:nowrap;transition:all .25s ease;
}
.chip:hover{background:#EAF2FA;border-color:var(--primary);}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;}
.header-cta{padding:12px 26px;font-size:15px;flex-shrink:0;}

.category-hero{
  position:relative;min-height:60vh;display:flex;align-items:center;
  padding:100px 0 80px;overflow:hidden;
  background:linear-gradient(135deg,rgba(245,248,252,.94) 0%,rgba(255,255,255,.88) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.category-hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(44,107,158,.08) 1px,transparent 1px);
  background-size:26px 26px;
}
.category-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:24px;}
.breadcrumb a{color:var(--primary);}
.breadcrumb span{color:var(--muted);}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(232,163,61,.15);color:var(--accent-dark);
  border:1px solid rgba(232,163,61,.35);
  font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:18px;
}
.hero-tag i{font-size:12px;}
.category-hero h1{
  font-size:42px;line-height:1.3;color:var(--heading);
  font-weight:700;letter-spacing:1px;margin-bottom:16px;
}
.category-hero h1 em{font-style:normal;color:var(--accent);}
.category-hero .lead{
  font-size:17px;color:var(--text);max-width:680px;line-height:1.8;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:34px;}
.trust-strip{display:flex;flex-wrap:wrap;gap:24px;}
.trust-strip span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.trust-strip i{color:var(--success);font-size:16px;}

.category-main{padding:80px 0;}
.main-content h2{
  font-size:28px;color:var(--heading);font-weight:700;
  margin:0 0 12px;line-height:1.4;position:relative;padding-left:18px;
}
.main-content h2::before{
  content:'';position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--accent);
}
.main-content h3{font-size:22px;color:var(--heading);margin:32px 0 12px;font-weight:600;}
.main-content p{margin-bottom:16px;color:var(--text);line-height:1.9;}
.sub-list{margin:24px 0;padding:0;list-style:none;}
.sub-list li{
  position:relative;padding:14px 20px 14px 48px;margin-bottom:12px;
  background:var(--card-bg);border:1px solid var(--border);border-radius:10px;
  font-size:15px;color:var(--text);line-height:1.7;
  transition:all .25s ease;box-shadow:0 2px 8px rgba(44,107,158,.04);
}
.sub-list li:hover{box-shadow:var(--shadow);transform:translateX(4px);}
.sub-list li i{
  position:absolute;left:16px;top:16px;width:20px;text-align:center;
  color:var(--primary);font-size:15px;
}
.sub-list li strong{display:block;color:var(--heading);font-size:16px;margin-bottom:2px;}

.entry-cards-grid{display:grid;grid-template-columns:1fr;gap:24px;margin:32px 0;}
.entry-card-item{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:all .3s ease;box-shadow:var(--shadow);
}
.entry-card-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.entry-card-item img{
  width:140px;height:100px;object-fit:cover;border-radius:10px;flex-shrink:0;
  border:1px solid var(--border);
}
.entry-card-body h4{font-size:18px;color:var(--heading);margin-bottom:6px;font-weight:600;}
.entry-card-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.entry-card-body .tag{
  display:inline-block;margin-top:8px;padding:4px 12px;font-size:12px;
  border:1px solid var(--primary);color:var(--primary);border-radius:20px;background:#F0F6FC;
}

.sidebar{display:flex;flex-direction:column;gap:24px;padding-left:8px;}
.side-card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;
}
.side-card h3{
  font-size:18px;color:var(--heading);font-weight:700;margin-bottom:18px;
  padding-bottom:10px;border-bottom:2px solid var(--border);position:relative;
}
.side-card h3::after{content:'';position:absolute;left:0;bottom:-2px;width:40px;height:2px;background:var(--accent);}
.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-nav a{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  border-radius:8px;font-size:14px;color:var(--text);transition:all .25s;
}
.side-nav a i{width:18px;text-align:center;color:var(--primary);font-size:14px;}
.side-nav a:hover{background:#EAF2FA;color:var(--primary);}
.side-nav a.active{background:var(--primary);color:#fff;}
.side-nav a.active i{color:#fff;}
.side-contact p{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text);margin-bottom:12px;}
.side-contact p i{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;background:#EAF2FA;border-radius:50%;color:var(--primary);font-size:14px;}
.side-link-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 0;border-bottom:1px dashed var(--border);font-size:14px;
  color:var(--text);transition:all .25s;
}
.side-link-list a:last-child{border-bottom:none;}
.side-link-list a:hover{color:var(--primary);padding-left:6px;}
.side-link-list a i{color:var(--accent);font-size:13px;}

.entries-section{padding:80px 0;background:linear-gradient(180deg,var(--bg) 0%,#EDF3F9 100%);}
.entries-section .section-head{text-align:center;margin-bottom:48px;}
.entries-section .section-head h2{
  font-size:32px;color:var(--heading);font-weight:700;margin-bottom:10px;
}
.entries-section .section-head .sub{color:var(--muted);font-size:15px;}
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ticket-card{
  position:relative;background:var(--card-bg);border-radius:16px;
  border:1px solid var(--border);box-shadow:var(--shadow);
  padding:36px 30px 30px;overflow:hidden;transition:all .3s ease;
}
.ticket-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.ticket-card::before,.ticket-card::after{
  content:'';position:absolute;width:24px;height:24px;background:#EDF3F9;
  border-radius:50%;top:50%;transform:translateY(-50%);z-index:2;
}
.ticket-card::before{left:-12px;}
.ticket-card::after{right:-12px;}
.ticket-card::marker{display:none;}
.ticket-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;}
.ticket-id{font-size:12px;color:var(--muted);letter-spacing:1px;font-weight:600;}
.ticket-status{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:20px;
}
.ticket-status.available{background:rgba(74,140,110,.12);color:var(--success);}
.ticket-status.monitor{background:rgba(44,107,158,.1);color:var(--primary);}
.ticket-status.hot{background:rgba(232,163,61,.15);color:var(--accent-dark);}
.ticket-status i{font-size:10px;}
.ticket-icon{
  width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;font-size:24px;
}
.ticket-icon.blue{background:#EAF2FA;color:var(--primary);}
.ticket-icon.green{background:rgba(74,140,110,.12);color:var(--success);}
.ticket-icon.amber{background:rgba(232,163,61,.15);color:var(--accent-dark);}
.ticket-card h3{font-size:20px;color:var(--heading);font-weight:700;margin-bottom:8px;}
.ticket-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:18px;}
.ticket-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.ticket-meta span{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;
  background:#F5F8FC;border:1px solid var(--border);border-radius:20px;padding:4px 10px;color:var(--muted);
}
.ticket-meta i{font-size:11px;color:var(--primary);}
.ticket-btn{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--primary);transition:all .25s;
}
.ticket-btn i{transition:transform .25s;}
.ticket-btn:hover i{transform:translateX(4px);}

.timeline{margin:36px 0 0;position:relative;padding-left:28px;}
.timeline::before{content:'';position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--accent),var(--primary));border-radius:2px;}
.timeline-item{position:relative;padding:0 0 30px 24px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:'';position:absolute;left:-25px;top:6px;width:14px;height:14px;
  background:#fff;border:3px solid var(--accent);border-radius:50%;
  box-shadow:0 0 0 4px rgba(232,163,61,.2);
}
.timeline-item h4{font-size:17px;color:var(--heading);font-weight:600;margin-bottom:4px;}
.timeline-item p{font-size:14px;color:var(--muted);line-height:1.7;}

.stats-section{padding:64px 0;background:var(--heading);color:#fff;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.stat-item{text-align:center;padding:20px 12px;border-radius:16px;transition:background .3s;}
.stat-item:hover{background:rgba(255,255,255,.04);}
.stat-number{font-size:48px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:1px;}
.stat-number em{font-style:normal;color:var(--accent);font-size:32px;margin-left:2px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.75);margin-top:6px;letter-spacing:1px;}

.faq-section{padding:80px 0;}
.faq-section .section-head{text-align:center;margin-bottom:48px;}
.faq-section .section-head h2{font-size:32px;color:var(--heading);font-weight:700;}
.faq-section .section-head p{color:var(--muted);font-size:15px;margin-top:8px;}
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--card-bg);border:1px solid var(--border);border-radius:14px;
  margin-bottom:14px;box-shadow:0 2px 10px rgba(44,107,158,.05);
  overflow:hidden;transition:box-shadow .3s;
}
.faq-item:hover{box-shadow:var(--shadow);}
.faq-item.open{border-color:rgba(44,107,158,.35);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 26px;cursor:pointer;font-size:16px;font-weight:600;color:var(--heading);
  user-select:none;transition:color .3s;
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-icon{
  width:28px;height:28px;border-radius:50%;border:2px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  color:var(--primary);transition:all .3s;flex-shrink:0;
}
.faq-item.open .faq-icon{background:var(--primary);border-color:var(--primary);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;padding:0 26px;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:var(--text);font-size:15px;line-height:1.9;}
.faq-item.open .faq-a{max-height:600px;padding-bottom:22px;}

.cta-section{
  position:relative;padding:80px 0;text-align:center;color:#fff;overflow:hidden;
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-dark) 100%);
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.12;mix-blend-mode:luminosity;
}
.cta-section .container{position:relative;z-index:2;}
.cta-section h2{font-size:34px;font-weight:700;margin-bottom:14px;color:#fff;}
.cta-section p{font-size:16px;color:rgba(255,255,255,.85);max-width:640px;margin:0 auto 32px;line-height:1.8;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;}

.site-footer{background:var(--heading);color:rgba(255,255,255,.8);}
.site-footer .container{padding-top:60px;padding-bottom:24px;}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:8px;font-size:22px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand i{color:var(--accent);font-size:24px;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:360px;margin-bottom:22px;}
.social-row{display:flex;gap:12px;}
.social-row a{
  width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  font-size:16px;transition:all .3s;
}
.social-row a:hover{background:var(--accent);color:#fff;transform:translateY(-2px);}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:1px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.55);line-height:2.2;transition:color .25s,padding-left .25s;}
.footer-col a:hover{color:var(--accent);padding-left:6px;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.4);}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--accent);}

.fab-cta{
  position:fixed;right:32px;bottom:32px;z-index:900;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  padding:14px 26px;border-radius:50px;box-shadow:0 8px 30px rgba(232,163,61,.4);
  transition:all .3s;opacity:0;visibility:hidden;transform:translateY(20px);
}
.fab-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.fab-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 36px rgba(232,163,61,.5);}
.fab-cta i{font-size:14px;}

@media screen and (max-width:1024px){
  .category-hero h1{font-size:36px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-links{grid-template-columns:repeat(2,1fr);}
  .ticket-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:768px){
  .section{padding:60px 0;}
  .category-hero{padding:80px 0 60px;}
  .category-hero h1{font-size:30px;}
  .category-hero .lead{font-size:16px;}
  .site-header{height:auto;padding:10px 0 6px;}
  .header-inner{flex-wrap:wrap;height:auto;gap:8px;}
  .nav-chips{order:3;width:100%;display:flex;flex-wrap:nowrap;}
  .header-cta{order:2;padding:10px 20px;font-size:14px;}
  .brand{order:1;font-size:19px;}
  .main-content h2{font-size:24px;}
  .entry-card-item{flex-direction:column;padding:18px;}
  .entry-card-item img{width:100%;height:auto;max-height:160px;}
  .sidebar{padding-left:0;margin-top:32px;}
  .ticket-grid{grid-template-columns:1fr;}
  .timeline-item{padding-left:18px;}
  .cta-section h2{font-size:28px;}
  .fab-cta{right:20px;bottom:20px;padding:12px 20px;font-size:14px;}
}
@media screen and (max-width:520px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .category-hero{min-height:auto;padding:60px 0 48px;}
  .category-hero h1{font-size:26px;}
  .brand{font-size:17px;}
  .brand i{font-size:20px;}
  .chip{padding:6px 14px;font-size:13px;}
  .header-cta{padding:9px 16px;font-size:13px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .trust-strip{flex-direction:column;gap:10px;}
  .stats-number{font-size:36px;}
  .footer-links{grid-template-columns:1fr 1fr;gap:16px;}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center;}
  .fab-cta{right:16px;bottom:16px;}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
  --primary: #2C6B9E;
  --primary-dark: #1C3B5B;
  --primary-light: #E8F0F8;
  --accent: #E8A33D;
  --accent-dark: #D4922E;
  --success: #4A8C6E;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --title: #1C3B5B;
  --text: #40566E;
  --text-weak: #7B8FA0;
  --border: #E1E9F2;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(44,107,158,0.07);
  --shadow-hover: 0 8px 30px rgba(44,107,158,0.12);
  --shadow-accent: 0 12px 40px rgba(232,163,61,0.15);
  --transition: 0.3s ease;
  --max-width: 1200px;
  --space-lg: 80px;
  --space-sm: 48px;
  --card-padding: 32px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* ===== 容器 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 700;
  color: var(--title);
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.brand i {
  color: var(--accent);
  font-size: 24px;
}

.brand:hover {
  color: var(--title);
}

.nav-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-chips::-webkit-scrollbar {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition);
}

.chip:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-1px);
}

.chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.header-cta {
  white-space: nowrap;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 3px solid rgba(44,107,158,0.3);
  outline-offset: 2px;
}

.btn-lg {
  padding: 16px 42px;
  font-size: 17px;
}

/* ===== Hero 区域 ===== */
.page-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(180deg, #F0F6FD 0%, #FFFFFF 100%);
  padding: 120px 0 80px;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(44,107,158,0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232,163,61,0.12);
  color: var(--accent-dark);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.page-hero h1 {
  font-size: 42px;
  line-height: 1.3;
  color: var(--title);
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-keyword {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-proof {
  margin-top: 32px;
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-weak);
}

.hero-proof i {
  color: var(--success);
}

/* ===== 板块通用 ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #EDF3FA;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-header .section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.section-header h2 {
  font-size: 32px;
  color: var(--title);
  margin-bottom: 12px;
  line-height: 1.3;
}

.section-divider {
  width: 48px;
  height: 4px;
  background: var(--accent);
  border-radius: 4px;
  margin: 16px auto 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 安全检测指标卡 ===== */
.feature-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--card-padding);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  text-align: left;
}

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

.feature-card .feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-icon.blue {
  background: #E8F0F8;
  color: var(--primary);
}

.feature-icon.amber {
  background: #FDF3E3;
  color: var(--accent);
}

.feature-icon.green {
  background: #EAF4EF;
  color: var(--success);
}

.feature-card h3 {
  font-size: 20px;
  color: var(--title);
  margin-bottom: 10px;
  line-height: 1.4;
}

.feature-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 0;
}

/* 宽幅卡片 */
.feature-broad {
  grid-column: span 2;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 32px;
  padding: 40px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.feature-broad .feature-icon {
  font-size: 48px;
  color: var(--primary);
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  border-radius: 20px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-broad h3 {
  font-size: 22px;
  color: var(--title);
  margin-bottom: 12px;
}

.feature-broad p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 0;
}

/* ===== 检测流程 ===== */
.steps-section {
  padding: 80px 0;
}

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

.step-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
}

.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin: 0 auto 16px;
}

.step-item h3 {
  font-size: 18px;
  color: var(--title);
  margin-bottom: 10px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-weak);
  margin: 0;
  line-height: 1.6;
}

/* ===== 图文展示区 ===== */
.split-section {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 80px 0;
}

.split-media {
  flex: 1;
  position: relative;
}

.split-media .media-frame {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  background: #fff;
}

.split-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split-content {
  flex: 1;
}

.split-content h2 {
  font-size: 30px;
  color: var(--title);
  margin-bottom: 16px;
  line-height: 1.3;
}

.split-content .sub-title {
  font-size: 16px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
  display: inline-block;
}

.split-content p {
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.8;
}

.split-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.split-list li {
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.split-list li i {
  color: var(--success);
  margin-top: 5px;
  font-size: 14px;
}

/* ===== 安全等级展示 ===== */
.rating-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rating-card {
  text-align: center;
  padding: 32px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.rating-score {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.rating-level {
  font-size: 18px;
  font-weight: 600;
  color: var(--title);
  margin-bottom: 10px;
}

.rating-desc {
  font-size: 14px;
  color: var(--text-weak);
  margin: 0;
}

/* ===== 场景应用 ===== */
.scenario-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.scenario-card .scenario-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #FDF3E3;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.scenario-card h3 {
  font-size: 18px;
  color: var(--title);
  margin: 0;
}

.scenario-card p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  margin: 0;
}

.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.scenario-tags span {
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid rgba(44,107,158,0.15);
}

/* ===== 数据证据区 ===== */
.proof-section {
  background: var(--primary-dark);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.proof-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.proof-item {
  text-align: center;
}

.proof-item .proof-num {
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.proof-item .proof-label {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

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

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  background: none;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
}

.faq-question:hover {
  background: #F8FBFF;
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--primary);
  transition: transform var(--transition);
  margin-left: 16px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 34px;
  margin-bottom: 16px;
  color: #fff;
}

.cta-section p {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--primary);
}

.cta-section .btn-primary:hover {
  background: #F0F6FD;
  color: var(--primary);
}

/* ===== 悬浮CTA ===== */
.float-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 999;
  background: var(--accent);
  color: #fff;
  border-radius: 24px;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(232,163,61,0.4);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.float-cta.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.float-cta:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-3px);
}

/* ===== 侧边栏 ===== */
.layout-sidebar {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  margin-top: -20px;
}

.main-content {
  min-width: 0;
}

.sidebar-inner {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-widget {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.side-widget h3 {
  font-size: 18px;
  color: var(--title);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.side-widget h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

.side-nav-links {
  list-style: none;
}

.side-nav-links li {
  margin-bottom: 8px;
}

.side-nav-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  transition: all 0.2s ease;
  background: #F8FAFD;
  border-left: 3px solid transparent;
}

.side-nav-links a:hover,
.side-nav-links a.active {
  background: var(--primary-light);
  color: var(--primary);
  border-left-color: var(--accent);
}

.contact-card {
  background: linear-gradient(135deg, var(--primary-light), #FDF3E3);
  border: 1px solid rgba(44,107,158,0.15);
  text-align: center;
}

.contact-card .contact-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
}

.contact-card h3 {
  font-size: 20px;
  color: var(--title);
}

.contact-card p {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 16px;
}

.contact-card .btn {
  width: 100%;
  padding: 12px 24px;
}

.recommend-list .recommend-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
  color: var(--text);
}

.recommend-link:last-child {
  border-bottom: none;
}

.recommend-link i {
  color: var(--accent);
  font-size: 13px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 12px;
  }

  .site-header {
    height: auto;
  }

  .header-cta {
    display: none;
  }

  .nav-chips {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    padding-bottom: 4px;
  }

  .page-hero {
    padding-top: 140px;
  }

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

  .feature-broad {
    grid-column: span 2;
  }

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

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

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

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

  .split-section {
    flex-direction: column;
    gap: 32px;
  }

  .layout-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar-inner {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  :root {
    --space-lg: 48px;
    --card-padding: 20px;
  }

  .container {
    padding: 0 16px;
  }

  .brand {
    font-size: 17px;
  }

  .brand i {
    font-size: 20px;
  }

  .chip {
    padding: 6px 14px;
    font-size: 13px;
  }

  .page-hero {
    min-height: auto;
    padding: 110px 0 48px;
  }

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

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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

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

  .section {
    padding: 48px 0;
  }

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

  .feature-broad {
    grid-column: span 1;
    flex-direction: column;
    padding: 24px;
    text-align: center;
  }

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

  .scenario-cards {
    grid-template-columns: 1fr;
  }

  .rating-cards {
    grid-template-columns: 1fr;
  }

  .proof-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .proof-item .proof-num {
    font-size: 32px;
  }

  .split-content h2 {
    font-size: 24px;
  }

  .layout-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar-inner {
    grid-template-columns: 1fr;
  }

  .float-cta {
    right: 16px;
    bottom: 16px;
    padding: 12px 20px;
    font-size: 14px;
  }

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

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 40px;
  flex-wrap: wrap;
}

.footer-brand {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-brand i {
  color: var(--accent);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
  max-width: 320px;
  margin-bottom: 20px;
}

.social-row {
  display: flex;
  gap: 12px;
}

.social-row a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  transition: all 0.2s ease;
}

.social-row a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  flex: 1;
  max-width: 700px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  padding: 4px 0;
  transition: all 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.footer-bottom a {
  color: rgba(255,255,255,0.6);
}

.footer-bottom a:hover {
  color: #fff;
}

/* ===== 主内容区内部排版 ===== */
.main-content h2 {
  font-size: 28px;
  color: var(--title);
  margin-bottom: 16px;
}

.main-content h3 {
  font-size: 22px;
  color: var(--title);
  margin: 24px 0 12px;
}

.main-content p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.main-content .content-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: #F8FAFD;
  color: var(--text);
}

.badge i {
  color: var(--success);
}

.warning-box {
  background: #FDF9EF;
  border: 1px solid rgba(232,163,61,0.3);
  border-radius: 10px;
  padding: 20px 24px;
  display: flex;
  gap: 12px;
  margin: 16px 0;
}

.warning-box i {
  color: var(--accent);
  font-size: 20px;
  margin-top: 2px;
}

.warning-box p {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

.list-check {
  list-style: none;
  margin: 8px 0 16px;
}

.list-check li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
  font-size: 15px;
}

.list-check li i {
  color: var(--success);
  margin-top: 5px;
  font-size: 13px;
}

/* roulang page: category3 */
:root {
  --primary: #2C6B9E;
  --primary-dark: #1E547F;
  --primary-light: #E8F1F8;
  --accent: #E8A33D;
  --accent-dark: #D48F26;
  --success: #4A8C6E;
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --text-heading: #1C3B5B;
  --text-body: #40566E;
  --text-muted: #7B8FA0;
  --border: #E1E9F2;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(44,107,158,0.07);
  --shadow-hover: 0 8px 30px rgba(44,107,158,0.12);
  --shadow-accent: 0 12px 40px rgba(232,163,61,0.15);
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section { padding: 80px 0; position: relative; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
}
.btn:focus-visible {
  outline: 3px solid rgba(44,107,158,0.35);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232,163,61,0.25);
}
.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn:active { transform: scale(0.98); }
.btn-white {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-white:hover { background: var(--primary-light); color: var(--primary); }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(44,107,158,0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
  white-space: nowrap;
}
.brand i {
  color: var(--accent);
  font-size: 26px;
}
.nav-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-chips::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
}
.chip:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}
.chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.header-cta {
  padding: 10px 24px;
  font-size: 14px;
  white-space: nowrap;
}

/* ===== Hero ===== */
.cat-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background:
    linear-gradient(rgba(245,248,252,0.90) 0%, rgba(255,255,255,0.96) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}
.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(44,107,158,0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.cat-hero-inner {
  position: relative;
  max-width: 800px;
  z-index: 1;
}
.cat-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
}
.cat-hero-badge i { font-size: 14px; }
.cat-hero h1 {
  font-size: 42px;
  line-height: 1.3;
  color: var(--text-heading);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.cat-hero p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.cat-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.trust-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
.trust-row span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
}
.trust-row i { color: var(--success); }

/* ===== Category Content ===== */
.cat-content {
  padding-top: 60px;
  padding-bottom: 60px;
}
.content-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
  margin-bottom: 28px;
}
.content-block h2 {
  font-size: 26px;
  color: var(--text-heading);
  margin-bottom: 12px;
  line-height: 1.4;
  position: relative;
  padding-bottom: 12px;
}
.content-block h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--accent);
  position: absolute;
  bottom: 0; left: 0;
}
.block-intro {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 24px;
  line-height: 1.8;
}

/* Mini cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 16px;
}
.mini-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: var(--transition);
}
.mini-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.mini-card .mini-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 14px;
}
.mini-card h3 {
  font-size: 17px;
  color: var(--text-heading);
  font-weight: 700;
  margin-bottom: 8px;
}
.mini-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Steps Timeline */
.steps-list {
  position: relative;
  margin-top: 28px;
  padding-left: 8px;
}
.step-item {
  position: relative;
  padding-left: 60px;
  padding-bottom: 28px;
}
.step-item:last-child { padding-bottom: 0; }
.step-item::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 28px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.step-item:last-child::before { display: none; }
.step-num {
  position: absolute;
  left: 0; top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(44,107,158,0.2);
  z-index: 1;
}
.step-item h3 {
  font-size: 18px;
  color: var(--text-heading);
  font-weight: 700;
  margin-bottom: 6px;
}
.step-item p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Feature rows */
.feature-row {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.feature-row:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.feature-row.reverse { flex-direction: row-reverse; }
.feature-media {
  flex: 0 0 46%;
  min-height: 220px;
  position: relative;
  overflow: hidden;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.feature-text {
  flex: 1;
  padding: 32px 32px 32px 0;
}
.feature-row.reverse .feature-text { padding: 32px 0 32px 32px; }
.feature-text h3 {
  font-size: 20px;
  color: var(--text-heading);
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-text p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}
.feature-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 16px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  background: var(--primary-light);
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 100px;
}
.side-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  margin-bottom: 24px;
}
.side-card h3 {
  font-size: 18px;
  color: var(--text-heading);
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.side-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.side-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.side-nav a:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  transform: translateX(2px);
}
.side-nav a.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}
.side-nav a i { font-size: 14px; opacity: 0.7; }
.side-nav a.active i { opacity: 1; }
.contact-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}
.side-btn {
  width: 100%;
  padding: 12px 24px;
  font-size: 15px;
  margin-bottom: 12px;
}
.contact-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.side-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.side-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-body);
  transition: var(--transition);
}
.side-links a:hover { color: var(--primary); transform: translateX(3px); }
.side-links i { font-size: 12px; color: var(--accent); }

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 30px;
  color: var(--text-heading);
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--accent);
  margin: 12px auto 0;
}
.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  margin-top: 12px;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-hover); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 28px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 20px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 60px 0 80px;
}
.cta-card {
  background: var(--primary);
  border-radius: 16px;
  padding: 52px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(44,107,158,0.18);
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.cta-card h2 {
  font-size: 28px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}
.cta-card p {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  margin-bottom: 28px;
  position: relative;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ===== Footer ===== */
.site-footer {
  background: #1C3B5B;
  color: #fff;
  padding: 56px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand {
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: #fff;
}
.footer-brand i { color: var(--accent); }
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
  max-width: 360px;
}
.social-row {
  display: flex;
  gap: 12px;
}
.social-row a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  transition: var(--transition);
}
.social-row a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  padding: 3px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.7); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Floating CTA ===== */
.float-cta {
  position: fixed;
  right: 32px;
  bottom: 32px;
  z-index: 999;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(232,163,61,0.3);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
}
.float-cta.show { opacity: 1; visibility: visible; }
.float-cta:hover {
  transform: scale(1.05);
  background: var(--accent-dark);
  color: #fff;
}
.float-cta i { font-size: 18px; margin-bottom: 2px; }

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .header-inner { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; }
  .site-header { height: auto; }
  .nav-chips { order: 3; width: 100%; justify-content: flex-start; }
  .chip { padding: 6px 14px; font-size: 13px; }
  .cat-hero { min-height: auto; padding: 130px 0 60px; }
  .cat-hero h1 { font-size: 34px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .feature-row, .feature-row.reverse { flex-direction: column; }
  .feature-media { flex: none; width: 100%; min-height: 200px; }
  .feature-text, .feature-row.reverse .feature-text { padding: 20px 24px; }
  .content-block { padding: 28px 24px; }
  .category-wrap .grid-x { display: block; }
  .sidebar { margin-top: 32px; position: static; }
}

@media screen and (max-width: 640px) {
  .section { padding: 48px 0; }
  .cat-hero h1 { font-size: 28px; }
  .cat-hero p { font-size: 15px; }
  .cat-hero-actions { flex-direction: column; align-items: stretch; }
  .cat-hero-actions .btn { width: 100%; }
  .trust-row { gap: 12px; }
  .feature-grid { grid-template-columns: 1fr; }
  .content-block h2 { font-size: 22px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-card { padding: 32px 24px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px; }
  .float-cta { right: 20px; bottom: 20px; width: 56px; height: 56px; }
}

@media screen and (min-width: 1025px) {
  .nav-chips { flex-wrap: nowrap; }
}

/* roulang page: category4 */
:root {
      --primary: #2C6B9E;
      --primary-dark: #1C3B5B;
      --accent: #E8A33D;
      --accent-dark: #d08f2b;
      --success: #4A8C6E;
      --bg: #F5F8FC;
      --card: #FFFFFF;
      --text: #40566E;
      --text-strong: #1C3B5B;
      --text-weak: #7B8FA0;
      --border: #E1E9F2;
      --radius: 12px;
      --radius-lg: 20px;
      --shadow: 0 4px 20px rgba(44,107,158,0.07);
      --shadow-lg: 0 8px 30px rgba(44,107,158,0.12);
      --shadow-accent: 0 12px 40px rgba(232,163,61,0.15);
      --transition: all 0.3s ease;
      --font-main: "PingFang SC","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      font-family: var(--font-main);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-strong); margin: 0 0 0.5em; }

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

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: 72px;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 2px 12px rgba(28,59,91,0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      gap: 16px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-dark);
      white-space: nowrap;
      text-decoration: none;
      transition: var(--transition);
    }

    .brand:hover { opacity: 0.85; }
    .brand i { font-size: 24px; color: var(--accent); }

    .nav-chips {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1;
      justify-content: center;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      padding: 8px 18px;
      border-radius: 24px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      background: #fff;
      border: 1px solid var(--border);
      transition: var(--transition);
      white-space: nowrap;
      text-decoration: none;
      line-height: 1.4;
    }

    .chip:hover {
      background: rgba(44,107,158,0.08);
      border-color: var(--primary);
      color: var(--primary);
    }

    .chip.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    .header-cta {
      flex-shrink: 0;
      padding: 12px 26px;
      font-size: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 36px;
      border-radius: 24px;
      font-size: 16px;
      font-weight: 600;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      line-height: 1.4;
      text-decoration: none;
      color: #fff;
    }

    .btn-primary {
      background: var(--accent);
      box-shadow: 0 4px 14px rgba(232,163,61,0.3);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(232,163,61,0.4);
      color: #fff;
    }

    .btn-secondary {
      background: transparent;
      color: var(--primary);
      border: 1px solid var(--primary);
    }

    .btn-secondary:hover {
      background: rgba(44,107,158,0.08);
      color: var(--primary);
    }

    .btn:active { transform: scale(0.98); }

    .btn:focus-visible {
      outline: 3px solid rgba(44,107,158,0.3);
      outline-offset: 2px;
    }

    .hero-section {
      min-height: 60vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 120px 24px 80px;
      position: relative;
      background: linear-gradient(180deg, rgba(245,248,252,0.95) 0%, rgba(255,255,255,0.98) 100%),
                  url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
      border-bottom: 1px solid var(--border);
    }

    .hero-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(44,107,158,0.08) 1px, transparent 1px);
      background-size: 24px 24px;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 860px;
      margin: 0 auto;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.3;
      color: var(--primary-dark);
      margin-bottom: 14px;
    }

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

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-weak);
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-ctas {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .hero-trust {
      display: flex;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
      font-size: 14px;
      color: var(--text-weak);
    }

    .hero-trust span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .hero-trust i { color: var(--success); }

    .section { padding: 80px 0; }
    .section-alt { background: #fff; }
    .section-tint { background: var(--bg); }

    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }

    .section-line {
      width: 48px;
      height: 4px;
      background: var(--accent);
      border-radius: 2px;
      margin: 0 auto 16px;
    }

    .section-sub {
      font-size: 16px;
      color: var(--text-weak);
      max-width: 640px;
      margin: 0 auto;
      line-height: 1.7;
    }

    .feature-card {
      background: var(--card);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      padding: 32px;
      height: 100%;
      transition: var(--transition);
    }

    .feature-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }

    .feature-icon {
      width: 56px;
      height: 56px;
      background: rgba(44,107,158,0.1);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .feature-card h3 {
      font-size: 18px;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }

    .feature-card p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.7;
      margin: 0;
    }

    .type-card {
      background: var(--card);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }

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

    .type-media {
      height: 180px;
      overflow: hidden;
      position: relative;
    }

    .type-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .type-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      display: inline-block;
      padding: 4px 12px;
      background: rgba(255,255,255,0.92);
      color: var(--primary);
      border-radius: 16px;
      font-size: 12px;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(28,59,91,0.08);
    }

    .type-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .type-body h3 {
      font-size: 18px;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }

    .type-body p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.7;
      margin: 0;
    }

    .demo-section { background: #fff; }

    .demo-wrapper {
      display: flex;
      align-items: center;
      gap: 48px;
    }

    .demo-text { flex: 1; }
    .demo-media {
      flex: 1;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border);
    }

    .demo-media img { width: 100%; display: block; }

    .demo-list {
      list-style: none;
      margin: 20px 0 0;
      padding: 0;
    }

    .demo-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      margin-bottom: 16px;
    }

    .demo-list i {
      color: var(--success);
      margin-top: 5px;
      font-size: 18px;
    }

    .demo-list strong {
      display: block;
      color: var(--primary-dark);
      font-size: 16px;
      margin-bottom: 2px;
    }

    .demo-list span {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.7;
    }

    .proof-section {
      background: var(--primary-dark);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .proof-section::after {
      content: "";
      position: absolute;
      right: -120px;
      bottom: -120px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(44,107,158,0.35);
    }

    .proof-section .section-title { color: #fff; }
    .proof-section .section-sub { color: rgba(255,255,255,0.75); }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
      z-index: 1;
    }

    .proof-item {
      text-align: center;
      padding: 32px 16px;
      background: rgba(255,255,255,0.06);
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,0.1);
      transition: var(--transition);
    }

    .proof-item:hover {
      background: rgba(255,255,255,0.1);
      transform: translateY(-2px);
    }

    .proof-num {
      font-size: 46px;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.2;
    }

    .proof-label {
      font-size: 14px;
      color: rgba(255,255,255,0.8);
      margin-top: 8px;
    }

    .news-section { background: #fff; }

    .news-card {
      display: flex;
      gap: 20px;
      background: var(--card);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 20px;
      box-shadow: var(--shadow);
      transition: var(--transition);
      align-items: center;
      height: 100%;
    }

    .news-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }

    .news-thumb {
      width: 96px;
      height: 96px;
      border-radius: 8px;
      overflow: hidden;
      flex-shrink: 0;
    }

    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .news-body {
      flex: 1;
      min-width: 0;
    }

    .news-body h3 {
      font-size: 16px;
      color: var(--primary-dark);
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .news-body p {
      font-size: 13px;
      color: var(--text-weak);
      margin-bottom: 8px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: var(--text-weak);
    }

    .news-tag {
      padding: 2px 10px;
      border-radius: 12px;
      border: 1px solid var(--primary);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
    }

    .news-arrow {
      color: var(--accent);
      font-size: 18px;
      transition: var(--transition);
      margin-left: auto;
    }

    .news-card:hover .news-arrow {
      transform: translateX(4px);
    }

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

    .step-card {
      text-align: center;
      padding: 32px 20px;
      background: var(--card);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      transition: var(--transition);
      position: relative;
    }

    .step-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-2px);
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 16px;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-weak);
      margin: 0;
      line-height: 1.6;
    }

    .faq-section { background: var(--bg); }

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

    .faq-item {
      background: var(--card);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.open {
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
    }

    .faq-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      cursor: pointer;
      background: none;
      border: none;
      width: 100%;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary-dark);
      gap: 16px;
      transition: var(--transition);
      font-family: var(--font-main);
    }

    .faq-head:hover { color: var(--primary); }

    .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(44,107,158,0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      transition: var(--transition);
      font-weight: 400;
    }

    .faq-item.open .faq-icon {
      background: var(--primary);
      color: #fff;
      transform: rotate(45deg);
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }

    .faq-body-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.8;
    }

    .faq-body-inner p:last-child { margin-bottom: 0; }

    .cta-section { background: #fff; padding-top: 0; }

    .cta-card {
      max-width: 820px;
      margin: 0 auto;
      background: var(--primary-dark);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-card::before {
      content: "";
      position: absolute;
      top: -60px;
      right: -60px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(232,163,61,0.15);
    }

    .cta-card h2 {
      font-size: 28px;
      color: #fff;
      margin-bottom: 10px;
    }

    .cta-card p {
      color: rgba(255,255,255,0.85);
      margin-bottom: 24px;
      font-size: 15px;
    }

    .cta-form {
      max-width: 460px;
      margin: 0 auto;
      display: flex;
      gap: 12px;
      position: relative;
      z-index: 1;
    }

    .cta-form input[type="email"] {
      flex: 1;
      height: 48px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.3);
      padding: 0 16px;
      background: rgba(255,255,255,0.1);
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: var(--transition);
      min-width: 0;
    }

    .cta-form input::placeholder { color: rgba(255,255,255,0.55); }

    .cta-form input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(232,163,61,0.25);
    }

    .cta-privacy {
      font-size: 12px;
      color: rgba(255,255,255,0.6);
      margin-top: 14px;
      margin-bottom: 0;
    }

    .anchor {
      position: relative;
      top: -80px;
      visibility: hidden;
    }

    .site-footer {
      background: var(--primary-dark);
      color: #fff;
      padding: 60px 0 24px;
    }

    .footer-top {
      display: flex;
      justify-content: space-between;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.12);
    }

    .footer-brand {
      font-size: 22px;
      font-weight: 800;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      color: #fff;
    }

    .footer-brand i { color: var(--accent); }

    .footer-desc {
      font-size: 14px;
      color: rgba(255,255,255,0.7);
      max-width: 400px;
      line-height: 1.7;
      margin: 0;
    }

    .social-row {
      display: flex;
      gap: 12px;
      margin-top: 16px;
    }

    .social-row a {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(255,255,255,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 14px;
      transition: var(--transition);
    }

    .social-row a:hover {
      background: var(--accent);
      transform: translateY(-2px);
      color: #fff;
    }

    .footer-links {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }

    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .footer-col a {
      display: block;
      color: rgba(255,255,255,0.65);
      font-size: 13px;
      padding: 4px 0;
      transition: var(--transition);
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      padding-top: 20px;
      font-size: 13px;
      color: rgba(255,255,255,0.55);
    }

    .footer-bottom a { color: rgba(255,255,255,0.75); }
    .footer-bottom a:hover { color: var(--accent); }

    .float-cta {
      position: fixed;
      right: 32px;
      bottom: 32px;
      z-index: 999;
      background: var(--accent);
      color: #fff;
      padding: 14px 28px;
      border-radius: 24px;
      box-shadow: 0 8px 24px rgba(232,163,61,0.4);
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      font-size: 14px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(20px);
      transition: var(--transition);
      text-decoration: none;
      border: none;
      cursor: pointer;
    }

    .float-cta.show {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .float-cta:hover {
      background: var(--accent-dark);
      color: #fff;
      transform: translateY(-2px);
    }

    @media (max-width: 1024px) {
      .proof-grid { grid-template-columns: repeat(2, 1fr); }
      .step-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top { flex-direction: column; gap: 32px; }
      .demo-wrapper { flex-direction: column; gap: 32px; }
      .header-cta { padding: 12px 18px; font-size: 13px; }
      .nav-chips { gap: 4px; }
      .chip { padding: 8px 14px; font-size: 13px; }
    }

    @media (max-width: 768px) {
      .site-header { height: auto; }
      .header-inner {
        flex-wrap: wrap;
        padding: 12px 16px;
        height: auto;
      }
      .nav-chips {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding: 8px 0;
        gap: 8px;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
      }
      .nav-chips::-webkit-scrollbar { display: none; }
      .chip { flex-shrink: 0; }
      .header-cta { padding: 10px 18px; font-size: 13px; }
      .hero-section { padding: 150px 16px 60px; min-height: 55vh; }
      .hero-title { font-size: 32px; }
      .hero-subtitle { font-size: 16px; }
      .section { padding: 48px 0; }
      .section-title { font-size: 26px; }
      .footer-links { grid-template-columns: repeat(2, 1fr); }
      .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
      .cta-card { padding: 40px 24px; }
      .cta-form { flex-direction: column; }
      .float-cta { right: 16px; bottom: 16px; padding: 12px 20px; font-size: 13px; }
      .news-card { flex-direction: column; align-items: flex-start; }
      .news-thumb { width: 100%; height: 140px; }
      .news-arrow { margin-left: 0; }
      .demo-media { width: 100%; }
      .brand { font-size: 17px; }
    }

    @media (max-width: 520px) {
      .grid-container { padding-left: 16px; padding-right: 16px; }
      .hero-title { font-size: 28px; }
      .hero-ctas { flex-direction: column; align-items: center; }
      .btn { width: 100%; max-width: 260px; }
      .step-grid { grid-template-columns: 1fr; }
      .proof-grid { grid-template-columns: 1fr; }
      .footer-links { grid-template-columns: 1fr; }
      .type-media { height: 160px; }
      .proof-num { font-size: 38px; }
    }