/* roulang page: index */
:root {
  --primary: #2B3A4A;
  --primary-dark: #1E2933;
  --accent: #C47B2B;
  --accent-light: #E0A45E;
  --accent-dark: #A5651F;
  --bg: #F5F3F0;
  --card-bg: #FFFFFF;
  --text: #2A2E33;
  --text-secondary: #6E757D;
  --border: #E5E1DB;
  --success: #2E8B63;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(43, 58, 74, 0.06);
  --shadow-hover: 0 6px 18px rgba(43, 58, 74, 0.10);
  --container-max: 1200px;
  --space-section: 80px;
  --space-section-sm: 56px;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  --font-num: "Inter", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-cn);
  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: color .2s ease; }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-sub { color: var(--text-secondary); font-size: 1rem; margin-top: 4px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.nav-brand-row {
  border-bottom: 1px solid var(--border);
}
.nav-brand-row .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--primary);
  letter-spacing: 0.5px;
}
.brand-logo:hover { color: var(--accent); }
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  border-radius: 8px;
  font-size: 1rem;
}
.brand-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-tel {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.header-tel i { color: var(--accent); }
.header-tel:hover { color: var(--accent); }
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background .2s ease;
}
.header-cta:hover { background: var(--accent-dark); color: #fff; }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 1rem;
  color: var(--primary);
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent); }
.nav-channel-row .container { min-height: 48px; display: flex; align-items: center; }
.channel-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.channel-nav a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--primary);
  border: 1px solid transparent;
  transition: all .2s ease;
}
.channel-nav a:hover {
  background: rgba(196, 123, 43, 0.08);
  color: var(--accent);
  border-color: rgba(196, 123, 43, 0.3);
}
.channel-nav a.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.channel-nav a.active:hover {
  background: var(--accent-dark);
  color: #fff;
}
@media (max-width: 767px) {
  .header-tel { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-channel-row {
    display: none;
    border-top: 1px solid var(--border);
  }
  .nav-channel-row.open { display: block; }
  .nav-channel-row .container { padding: 12px 16px; }
  .channel-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .channel-nav a {
    border-radius: 8px;
    text-align: center;
    padding: 12px 16px;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  transition: all .25s ease;
  min-height: 44px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-primary:active { background: #8E5519; transform: translateY(0); }
.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline:active { background: var(--primary-dark); }
.btn-outline:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-lg { padding: 14px 38px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #f0eee9 0%, var(--bg) 60%, rgba(224, 164, 94, 0.12) 100%);
  border-bottom: 1px solid var(--border);
  padding-top: 48px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 56px;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid rgba(196, 123, 43, 0.4);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255,255,255,0.6);
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.2rem);
  line-height: 1.25;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 18px;
  letter-spacing: 0;
}
.hero-sub {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0 0 28px;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.hero-points {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.hero-points span { display: inline-flex; align-items: center; gap: 6px; }
.hero-points i { color: var(--success); font-size: 0.85rem; }
.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(43,58,74,0) 60%, rgba(30,41,51,0.18) 100%);
  pointer-events: none;
}
.hero-promo-bar {
  background: var(--primary-dark);
  color: #fff;
  padding: 14px 0;
}
.hero-promo-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.95rem;
}
.hero-promo-bar i { color: var(--accent-light); }
.hero-promo-bar p { margin: 0; }
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual img { min-height: 240px; }
}
@media (max-width: 639px) {
  .hero { padding-top: 32px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-promo-bar { text-align: center; padding: 12px 16px; }
}

/* ---------- Section Heads ---------- */
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2vw + 1rem, 2.2rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  margin: 0 0 10px;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

/* ---------- Tiers Section ---------- */
.tiers-section { padding: var(--space-section) 0; }
.tiers-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-top: 40px;
  position: relative;
}
.tier-item {
  flex: 1;
  padding: 28px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  position: relative;
  transition: box-shadow .25s ease, transform .25s ease;
}
.tier-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.tier-item.tier-2 { background: #FAF7F2; }
.tier-item.tier-3 { background: #F7EFE4; border-color: rgba(196,123,43,0.35); }
.tier-item.tier-4 {
  background: linear-gradient(160deg, var(--accent-light), #f3d9b5);
  border-color: var(--accent);
}
.tier-step {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(196,123,43,0.1);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 12px;
}
.tier-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 8px;
}
.tier-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 6px;
  line-height: 1.6;
}
.tier-off {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  background: rgba(46, 139, 99, 0.12);
  color: var(--success);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 4px;
}
.tier-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.2rem;
  padding: 0 6px;
  flex-shrink: 0;
}
@media (max-width: 1023px) {
  .tiers-flow {
    flex-direction: column;
    gap: 16px;
  }
  .tier-arrow {
    transform: rotate(90deg);
    padding: 0;
  }
}

/* ---------- Packages ---------- */
.packages-section {
  background: var(--bg);
  padding: var(--space-section) 0;
}
.compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow);
}
.compare-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}
.compare-table th,
.compare-table td {
  padding: 18px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}
.compare-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.compare-table th.col-featured {
  background: var(--primary-dark);
  position: relative;
}
.col-featured-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}
.compare-table td.col-label {
  text-align: left;
  font-weight: 600;
  color: var(--primary);
  background: #FAF9F7;
}
.compare-table td.col-featured {
  background: rgba(224, 164, 94, 0.08);
  border-left: 1px solid rgba(196,123,43,0.2);
  border-right: 1px solid rgba(196,123,43,0.2);
}
.compare-table .price {
  font-family: var(--font-num);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.compare-table .fa-check { color: var(--success); }
.compare-table .fa-times { color: #B0A89E; }
.compare-table .row-cta td {
  padding: 20px 16px;
  border-bottom: none;
}
.compare-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 16px;
}
@media (max-width: 639px) {
  .compare-wrap { margin: 0 -8px; border-radius: 6px; }
}

/* ---------- Timed Entry ---------- */
.timed-section {
  background: linear-gradient(rgba(30, 41, 51, 0.92), rgba(30, 41, 51, 0.92)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 72px 0;
  color: #fff;
  text-align: center;
}
.timed-section h2 {
  font-size: clamp(1.5rem, 2vw + 1rem, 2.2rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}
.timed-section .timed-sub {
  color: rgba(255,255,255,0.7);
  margin: 0 0 32px;
}
.countdown {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}
.count-block {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 88px;
}
.count-block span {
  display: block;
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1.2;
}
.count-block em {
  display: block;
  font-style: normal;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}
.timed-tip {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
}
@media (max-width: 520px) {
  .countdown { gap: 8px; flex-wrap: wrap; }
  .count-block { padding: 12px 14px; min-width: 70px; }
  .count-block span { font-size: 1.5rem; }
}

/* ---------- News / CMS ---------- */
.news-section { padding: var(--space-section) 0; }
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  margin-top: 32px;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-card {
  display: flex;
  gap: 20px;
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow .25s ease, transform .25s ease;
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-card-date {
  flex-shrink: 0;
  text-align: center;
  background: #FAF7F2;
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 64px;
  align-self: flex-start;
}
.news-card-date .d {
  display: block;
  font-family: var(--font-num);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.news-card-date .m {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.news-card-body { flex: 1; }
.news-meta-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.news-tag {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid rgba(196, 123, 43, 0.5);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(196,123,43,0.05);
}
.news-cat {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.news-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 6px;
  line-height: 1.5;
}
.news-card h3 a { color: var(--primary); }
.news-card h3 a:hover { color: var(--accent); }
.news-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-more:hover { color: var(--accent-dark); }
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.side-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.side-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.side-tags a {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text);
  background: #FAF9F7;
  transition: all .2s ease;
}
.side-tags a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(196,123,43,0.05);
}
.side-tags a.active { border-color: var(--accent); color: var(--accent); background: rgba(196,123,43,0.08); }
.empty-tip {
  padding: 48px 24px;
  text-align: center;
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 1rem;
}
@media (max-width: 1023px) {
  .news-layout { grid-template-columns: 1fr; }
}
@media (max-width: 639px) {
  .news-card { flex-direction: column; padding: 16px; }
  .news-card-date { align-self: flex-start; }
}

/* ---------- Stats ---------- */
.stats-section {
  background: var(--primary);
  padding: 56px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  color: #fff;
}
.stat-num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(1.6rem, 2vw + 0.8rem, 2.4rem);
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1.3;
}
.stat-label {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}
@media (max-width: 767px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
}

/* ---------- Scenarios ---------- */
.scenario-section { padding: var(--space-section) 0; }
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.scenario-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .25s ease, transform .25s ease;
}
.scenario-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.scenario-card .sc-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}
.scenario-body { padding: 20px; }
.scenario-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 8px;
}
.scenario-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
}
@media (max-width: 1023px) {
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .scenario-grid { grid-template-columns: 1fr; }
}

/* ---------- Process ---------- */
.process-section {
  background: var(--bg);
  padding: var(--space-section) 0;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
  position: relative;
}
.process-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  position: relative;
  transition: box-shadow .25s ease, transform .25s ease;
}
.process-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.process-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 8px;
}
.process-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
}
@media (max-width: 1023px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .process-steps { grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq-section { padding: var(--space-section) 0; }
.faq-list {
  max-width: 860px;
  margin: 40px auto 0;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
}
.faq-question:hover { color: var(--accent); }
.faq-question .faq-icon {
  flex-shrink: 0;
  font-size: 1.2rem;
  color: var(--accent);
  transition: transform .25s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 18px;
}
.faq-answer p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ---------- Contact ---------- */
.contact-section {
  background: linear-gradient(rgba(245, 243, 240, 0.94), rgba(245, 243, 240, 0.94)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding: var(--space-section) 0;
}
.contact-form-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-hover);
  padding: 40px;
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}
.form-group label .req { color: var(--accent); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #D3CDC4;
  border-radius: 6px;
  background: #fff;
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(196, 123, 43, 0.15);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-privacy {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 16px;
}
@media (max-width: 639px) {
  .contact-form-wrap { padding: 24px 20px; }
  .contact-form .form-row { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
  color: rgba(255,255,255,0.6);
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 14px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  transition: color .2s ease;
}
.footer-col ul a:hover { color: var(--accent-light); }
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
}
.footer-contact i { color: var(--accent-light); margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent-light); }
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 639px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---------- Focus States ---------- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Reveal Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate {
  animation: fadeUp .6s ease both;
}

/* roulang page: category1 */
:root {
  --primary: #2B3A4A;
  --primary-dark: #1E2933;
  --accent: #C47B2B;
  --accent-light: #E0A45E;
  --bg: #F5F3F0;
  --card-bg: #FFFFFF;
  --text: #2A2E33;
  --text-secondary: #6E757D;
  --border: #E5E1DB;
  --success: #2E8B63;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(43,58,74,.06);
  --shadow-hover: 0 6px 18px rgba(43,58,74,.1);
  --section-space: 80px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  --font-num: "Inter", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s ease;
}
a:hover {
  color: var(--accent);
}
ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(30, 41, 51, .06);
}
.nav-brand-row {
  padding: 14px 0;
}
.nav-brand-row .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}
.brand-logo:hover {
  color: var(--primary);
}
.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background .25s ease;
}
.brand-logo:hover .brand-icon {
  background: var(--accent);
}
.brand-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-tel {
  color: var(--primary);
  font-weight: 600;
  font-size: .95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.header-tel:hover {
  color: var(--accent);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all .25s ease;
  min-height: 40px;
}
.header-cta:hover {
  background: #A5651F;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(196, 123, 43, .3);
}
.header-cta:active {
  background: #8C5417;
  transform: translateY(0);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 42px;
  height: 42px;
  font-size: 1.1rem;
  color: var(--primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.nav-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(196, 123, 43, .05);
}
.nav-channel-row {
  border-top: 1px solid var(--border);
  background: #fff;
}
.channel-nav {
  display: flex;
  gap: 6px;
  padding: 8px 0;
}
.channel-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 100px;
  font-size: .95rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all .25s ease;
  font-weight: 500;
}
.channel-nav a:hover {
  color: var(--accent);
  background: rgba(196, 123, 43, .08);
}
.channel-nav a.active {
  color: #fff;
  background: var(--primary);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  min-height: 46px;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: #A5651F;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(196, 123, 43, .3);
}
.btn-primary:active {
  background: #8C5417;
  transform: translateY(0);
}
.btn-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}
.btn-secondary:active {
  background: var(--primary-dark);
  transform: translateY(0);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, .6);
  color: #fff;
}
.btn-outline-light:hover, .btn-outline-light:focus-visible {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
  transform: translateY(-1px);
}

/* Section head */
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head-left {
  text-align: left;
}
.section-subtitle {
  display: inline-block;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2vw + 1rem, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Cat Hero */
.cat-hero {
  background: linear-gradient(100deg, rgba(30, 41, 51, .92) 0%, rgba(43, 58, 74, .78) 55%, rgba(43, 58, 74, .35) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 88px 0 72px;
  color: #fff;
}
.cat-hero .hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
}
.cat-hero .hero-copy {
  flex: 1 1 55%;
}
.cat-hero .hero-card-wrap {
  flex: 1 1 45%;
}
.cat-hero h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #fff;
}
.cat-hero .hero-desc {
  font-size: 1.15rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-card {
  background: rgba(30, 41, 51, .65);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #fff;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .2);
}
.hero-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-card h3 i {
  color: var(--accent-light);
}
.hero-card ul {
  margin: 0 0 24px;
}
.hero-card li {
  padding: 9px 0;
  font-size: .92rem;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, .92);
}
.hero-card li i {
  color: var(--accent-light);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.hero-card li strong {
  color: #fff;
  font-weight: 600;
}
.hero-card .btn {
  width: 100%;
}

/* Promo Overview */
.promo-overview {
  padding: var(--section-space) 0;
  background: var(--bg);
}
.overview-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.overview-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(30, 41, 51, .2) 100%);
  pointer-events: none;
}
.overview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}
.promo-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.promo-list-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  gap: 24px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}
.promo-list-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(196, 123, 43, .25);
}
.promo-index {
  font-family: var(--font-num);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
  flex-shrink: 0;
  min-width: 50px;
}
.promo-info {
  flex: 1;
}
.promo-info h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.promo-info p {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}
.tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 100px;
  padding: 3px 12px;
  transition: all .25s ease;
}
.tag:hover {
  background: rgba(196, 123, 43, .08);
  color: var(--accent);
}
.tag-green {
  color: var(--success);
  border-color: var(--success);
}
.tag-green:hover {
  background: rgba(46, 139, 99, .08);
  color: var(--success);
}

/* Promo Ladder */
.promo-ladder {
  padding: var(--section-space) 0;
  background: #F0EDE9;
}
.ladder-row {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.ladder-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  position: relative;
}
.ladder-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.ladder-basic {
  width: 85%;
}
.ladder-growth {
  width: 92%;
  margin-left: 4%;
  border-color: rgba(196, 123, 43, .25);
}
.ladder-flagship {
  width: 100%;
  margin-left: 8%;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  border-color: var(--primary-dark);
}
.ladder-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.ladder-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
}
.ladder-flagship .ladder-name {
  color: #fff;
}
.ladder-price {
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.ladder-price small {
  font-size: .85rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 2px;
}
.ladder-flagship .ladder-price small {
  color: rgba(255, 255, 255, .7);
}
.ladder-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--success);
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  box-shadow: 0 2px 8px rgba(46, 139, 99, .3);
}
.ladder-features {
  margin-bottom: 24px;
}
.ladder-features li {
  padding: 7px 0;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ladder-features li i {
  color: var(--success);
  width: 18px;
  text-align: center;
}
.ladder-flagship .ladder-features li {
  color: rgba(255, 255, 255, .9);
}
.ladder-flagship .ladder-features li i {
  color: var(--accent-light);
}

/* Promo Timeline */
.promo-timeline {
  padding: var(--section-space) 0;
  background: var(--bg);
}
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-light), var(--accent));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding: 0 0 44px 24px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-marker {
  position: absolute;
  left: -40px;
  top: 4px;
  width: 26px;
  height: 26px;
  background: var(--card-bg);
  border: 3px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.timeline-marker i {
  font-size: .65rem;
  color: var(--accent);
}
.timeline-content {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}
.timeline-content:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.timeline-phase {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(196, 123, 43, .08);
  border-radius: 100px;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.timeline-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* FAQ */
.promo-faq {
  padding: var(--section-space) 0;
  background: #F0EDE9;
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all .3s ease;
}
.faq-item:hover {
  border-color: rgba(196, 123, 43, .25);
}
.faq-item.active {
  border-color: rgba(196, 123, 43, .4);
  box-shadow: var(--shadow-hover);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  transition: all .25s ease;
}
.faq-question:hover {
  color: var(--accent);
}
.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 600;
  transition: all .3s ease;
}
.faq-item.active .faq-icon {
  background: var(--accent);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Bottom CTA */
.cat-bottom-cta {
  padding: 72px 0;
  background: var(--primary-dark);
  color: #fff;
  text-align: center;
}
.cat-bottom-cta h2 {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}
.cat-bottom-cta p {
  color: rgba(255, 255, 255, .8);
  font-size: 1rem;
  margin-bottom: 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-links .btn-primary {
  background: var(--accent);
  color: #fff;
}
.cta-links .btn-primary:hover {
  background: #A5651F;
}
.cta-links .btn-outline-light {
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
}
.cta-links .btn-outline-light:hover {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, .75);
  padding: 56px 0 0;
  font-size: .9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand h3 {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .65);
  max-width: 260px;
}
.footer-col h4 {
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255, 255, 255, .7);
  font-size: .9rem;
  transition: all .25s ease;
}
.footer-col ul li a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .7);
  font-size: .9rem;
}
.footer-contact li i {
  color: var(--accent-light);
  width: 18px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255, 255, 255, .5);
}
.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}
.footer-bottom a:hover {
  color: var(--accent-light);
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --section-space: 64px;
  }
  .cat-hero {
    padding: 64px 0 56px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .ladder-basic {
    width: 90%;
  }
  .ladder-growth {
    width: 95%;
    margin-left: 2.5%;
  }
  .ladder-flagship {
    margin-left: 5%;
  }
}
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .header-tel {
    display: none;
  }
  .nav-channel-row {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 20px rgba(30, 41, 51, .1);
  }
  .nav-channel-row.open {
    display: block;
  }
  .channel-nav {
    flex-direction: column;
    padding: 12px;
    gap: 4px;
  }
  .channel-nav a {
    border-radius: 8px;
    padding: 12px 16px;
  }
  .cat-hero .hero-inner {
    flex-direction: column;
    gap: 32px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .overview-image img {
    min-height: 240px;
  }
  .promo-list-item {
    flex-direction: column;
    gap: 12px;
    padding: 20px;
  }
  .promo-index {
    font-size: 1.6rem;
  }
  .ladder-basic, .ladder-growth, .ladder-flagship {
    width: 100%;
    margin-left: 0;
  }
  .ladder-item {
    padding: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .section-head {
    margin-bottom: 36px;
  }
}
@media (max-width: 520px) {
  :root {
    --section-space: 48px;
  }
  .container {
    padding: 0 20px;
  }
  .nav-brand-row .container {
    gap: 8px;
  }
  .brand-logo {
    font-size: 1.1rem;
  }
  .brand-icon {
    width: 34px;
    height: 34px;
    font-size: .9rem;
  }
  .header-cta {
    padding: 8px 16px;
    font-size: .85rem;
  }
  .cat-hero h1 {
    font-size: 1.8rem;
  }
  .cat-hero .hero-desc {
    font-size: 1rem;
  }
  .hero-card {
    padding: 24px;
  }
  .ladder-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .ladder-price {
    font-size: 1.6rem;
  }
  .timeline {
    padding-left: 36px;
  }
  .timeline-marker {
    left: -36px;
    width: 22px;
    height: 22px;
  }
  .timeline-content {
    padding: 20px;
  }
  .faq-question {
    padding: 16px 20px;
    font-size: .95rem;
  }
  .faq-answer-inner {
    padding: 0 20px 18px;
  }
  .cta-links .btn {
    width: 100%;
  }
}

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --primary: #2B3A4A;
  --primary-dark: #1E2933;
  --accent: #C47B2B;
  --accent-light: #E0A45E;
  --accent-dark: #A5651F;
  --bg: #F5F3F0;
  --card: #FFFFFF;
  --text: #2A2E33;
  --text-muted: #6E757D;
  --border: #E5E1DB;
  --success: #2E8B63;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(43, 58, 74, .06);
  --shadow-hover: 0 6px 18px rgba(43, 58, 74, .1);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --transition: all .2s ease;
}

/* ========== 基础重置 ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-cn); color: var(--primary); line-height: 1.3; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

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

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

/* ========== 按钮 ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1.2;
  padding: 12px 26px;
  min-height: 44px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: .02em;
}
.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(196, 123, 43, .25);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
  background: #8F5216;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  font-weight: 600;
  font-size: .9375rem;
  padding: 10px 24px;
  min-height: 44px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline:active { background: var(--primary-dark); border-color: var(--primary-dark); }

/* ========== 标签 ========== */
.cat-tag, .tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8125rem;
  border-radius: 20px;
  transition: var(--transition);
}
.cat-tag {
  color: var(--accent);
  border: 1px solid rgba(196, 123, 43, .4);
  background: rgba(196, 123, 43, .08);
  padding: 3px 12px;
}
.cat-tag:hover { background: rgba(196, 123, 43, .14); }

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-brand-row { border-bottom: 1px solid var(--border); }
.nav-brand-row .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary);
}
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--accent-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0625rem;
  box-shadow: 0 2px 6px rgba(43, 58, 74, .2);
}
.brand-actions { display: flex; align-items: center; gap: 14px; }
.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: .9375rem;
  transition: var(--transition);
}
.header-tel:hover { color: var(--accent); }
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: .875rem;
  font-weight: 600;
  padding: 9px 18px;
  min-height: 38px;
  border-radius: 6px;
  transition: var(--transition);
}
.header-cta:hover {
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 4px 10px rgba(196, 123, 43, .22);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--primary);
  font-size: 1.125rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent); }
.nav-channel-row { background: #fff; border-bottom: 1px solid var(--border); }
.channel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 54px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a {
  padding: 7px 18px;
  border-radius: 20px;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: var(--transition);
}
.channel-nav a:hover { color: var(--accent); background: rgba(196, 123, 43, .08); }
.channel-nav a.active { background: var(--primary); color: #fff; font-weight: 600; }

/* ========== 面包屑 ========== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
  font-size: .875rem;
  color: rgba(255, 255, 255, .65);
}
.breadcrumb a { color: rgba(255, 255, 255, .85); transition: color .2s; }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb .current {
  color: var(--accent-light);
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== 文章头图区 ========== */
.article-head {
  position: relative;
  padding: 52px 0 60px;
  color: #fff;
  background-image: linear-gradient(120deg, rgba(30, 41, 51, .97) 15%, rgba(43, 58, 74, .9) 100%), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  border-bottom: 3px solid var(--accent);
}
.article-head .container { position: relative; z-index: 1; }
.article-title-wrap { max-width: 880px; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.article-meta .cat-tag {
  border-color: rgba(224, 164, 94, .45);
  background: rgba(196, 123, 43, .2);
  color: var(--accent-light);
}
.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .875rem;
  color: rgba(255, 255, 255, .75);
}
.article-h1 {
  color: #fff;
  font-size: clamp(1.75rem, 3vw + .9rem, 2.75rem);
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: .01em;
  font-weight: 700;
}
.article-desc {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, .8);
  max-width: 780px;
  margin-bottom: 0;
}

/* ========== 文章正文 ========== */
.article-main { padding: 56px 0 24px; }
.article-container { max-width: 840px; }
.article-content {
  max-width: 760px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 48px 52px;
  box-shadow: var(--shadow-sm);
  overflow-wrap: break-word;
}
.article-content p {
  color: var(--text);
  line-height: 1.9;
  margin-bottom: 1.6em;
}
.article-content h2 {
  font-size: 1.5rem;
  color: var(--primary);
  border-bottom: 2px solid var(--border);
  padding-bottom: .5em;
  margin: 2em 0 1em;
  line-height: 1.35;
}
.article-content h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin: 1.8em 0 .7em;
}
.article-content h4 {
  font-size: 1.0625rem;
  color: var(--primary);
  margin: 1.5em 0 .5em;
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.6em 1.5em;
  color: var(--text);
}
.article-content ul li,
.article-content ol li { margin-bottom: .45em; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content a {
  color: var(--accent);
  border-bottom: 1px solid rgba(196, 123, 43, .3);
  transition: var(--transition);
}
.article-content a:hover { color: var(--accent-dark); border-bottom-color: var(--accent-dark); }
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: #FBF7F1;
  padding: 1.1em 1.5em;
  margin: 1.8em 0;
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
  font-size: .9375rem;
}
.article-content img {
  border-radius: var(--radius);
  margin: 1.8em auto;
  box-shadow: var(--shadow-sm);
}
.article-content figure { margin: 1.8em 0; }
.article-content figcaption {
  text-align: center;
  font-size: .8125rem;
  color: var(--text-muted);
  margin-top: .6em;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  font-size: .925rem;
}
.article-content th,
.article-content td {
  padding: .75em 1em;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.article-content th { background: var(--primary); color: #fff; font-weight: 600; }
.article-content tr:nth-child(even) td { background: #FAF9F7; }
.article-content code {
  background: #EFECE7;
  color: #8F5216;
  padding: .15em .45em;
  border-radius: 4px;
  font-size: .875em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.article-content pre {
  background: var(--primary-dark);
  color: #E8ECEF;
  padding: 1.5em;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.8em 0;
  line-height: 1.7;
  font-size: .875rem;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

/* ========== 文章底栏工具 ========== */
.article-tools {
  max-width: 760px;
  margin: 28px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.article-tags .tag-pill {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  padding: 4px 14px;
}
.article-tags .tag-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(196, 123, 43, .06);
}
.share-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: var(--text-muted);
}
.share-row a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}
.share-row a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(196, 123, 43, .06);
}

/* ========== 内容未找到 ========== */
.not-found {
  max-width: 640px;
  margin: 48px auto 80px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  box-shadow: var(--shadow-sm);
}
.nf-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(196, 123, 43, .1);
  color: var(--accent);
  font-size: 1.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.not-found h2 { font-size: 1.375rem; color: var(--primary); margin-bottom: 10px; }
.not-found p { color: var(--text-muted); margin-bottom: 24px; }

/* ========== 相关阅读 ========== */
.related-section { padding: 64px 0 72px; background: #fff; }
.section-head { text-align: center; margin-bottom: 40px; }
.section-title {
  font-size: clamp(1.5rem, 2vw + .8rem, 2rem);
  margin-bottom: 0;
}
.section-head .subtext {
  color: var(--text-muted);
  font-size: .9375rem;
  margin-top: 8px;
  display: block;
}
.related-grid .cell { margin-bottom: 24px; display: flex; }
.related-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  width: 100%;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.related-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.related-card:hover .related-media img { transform: scale(1.05); }
.related-body {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-body .cat-tag { align-self: flex-start; margin-bottom: 12px; }
.related-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.45;
  margin-bottom: 8px;
  transition: color .2s;
}
.related-card:hover h3 { color: var(--accent); }
.related-body p {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.related-body .more-link {
  margin-top: auto;
  font-size: .875rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.related-body .more-link i { transition: transform .2s; }
.related-card:hover .more-link i { transform: translateX(4px); }
.back-home { text-align: center; margin-top: 48px; }
.back-home a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: .9375rem;
  transition: var(--transition);
}
.back-home a:hover { color: var(--accent); }

/* ========== 频道入口条 ========== */
.channel-strip {
  background: var(--bg);
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.channel-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.strip-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
}
.strip-title i { color: var(--accent); }
.strip-links { display: flex; flex-wrap: wrap; gap: 10px; }
.strip-links a {
  padding: 7px 16px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 20px;
  font-size: .875rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.strip-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(196, 123, 43, .06);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary-dark);
  color: #B9C2CB;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 48px;
}
.footer-brand h3 { color: #fff; font-size: 1.375rem; margin-bottom: 12px; }
.footer-brand p {
  font-size: .875rem;
  line-height: 1.8;
  color: #8F99A3;
  max-width: 270px;
}
.footer-col h4 { color: #fff; font-size: .9375rem; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: #B9C2CB;
  font-size: .875rem;
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--accent-light); }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: #B9C2CB;
}
.footer-contact i { color: var(--accent-light); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .8125rem;
  color: #7C8791;
}
.footer-bottom a { color: #9AA5AE; transition: color .2s; }
.footer-bottom a:hover { color: var(--accent-light); }

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media screen and (max-width: 640px) {
  .container { padding: 0 16px; }
  .nav-brand-row .container { height: 64px; }
  .brand-logo { font-size: 1.125rem; }
  .brand-icon { width: 34px; height: 34px; border-radius: 8px; font-size: .9375rem; }
  .header-tel { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-channel-row {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    box-shadow: 0 12px 28px rgba(30, 41, 51, .14);
  }
  .nav-channel-row.open { display: block; }
  .channel-nav {
    flex-direction: column;
    align-items: stretch;
    height: auto;
    padding: 12px 16px;
    gap: 4px;
  }
  .channel-nav a { border-radius: 8px; padding: 11px 16px; }
  .article-head { padding: 36px 0 44px; }
  .article-h1 { font-size: 1.5rem; }
  .article-desc { font-size: .9375rem; }
  .article-main { padding: 32px 0 16px; }
  .article-content { padding: 28px 22px 36px; font-size: .9375rem; border-radius: 8px; }
  .article-content h2 { font-size: 1.3125rem; }
  .article-tools { flex-direction: column; align-items: flex-start; }
  .related-section { padding: 48px 0 56px; }
  .related-body h3 { font-size: 1rem; }
  .channel-strip-inner { flex-direction: column; align-items: flex-start; }
  .site-footer { padding: 48px 0 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

/* roulang page: category2 */
:root {
  --primary: #2B3A4A;
  --primary-dark: #1E2933;
  --accent: #C47B2B;
  --accent-dark: #A5651F;
  --accent-light: #E0A45E;
  --bg: #F5F3F0;
  --card: #FFFFFF;
  --text: #2A2E33;
  --text-muted: #6E757D;
  --border: #E5E1DB;
  --line-light: #E8E2DA;
  --success: #2E8B63;
  --radius-sm: 8px;
  --radius-md: 12px;
  --shadow-sm: 0 2px 8px rgba(43,58,74,.06);
  --shadow-md: 0 6px 18px rgba(43,58,74,.1);
  --space-section: clamp(3rem, 7vw, 5.5rem);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  --font-num: "Inter", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-cn);
  background: var(--bg);
  color: var(--text);
  font-size: 1.0625rem;
  line-height: 1.8;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-alt { background: #FBF9F7; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 {
  font-size: clamp(1.5rem, 2vw + 1rem, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-head p { color: var(--text-muted); font-size: 1rem; }
.text-accent { color: var(--accent); }
.guide-hero {
  position: relative;
  background: linear-gradient(135deg, #2B3A4A 0%, #31465A 60%, #3A5268 100%);
  padding: 72px 0 56px;
  overflow: hidden;
}
.guide-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: .12;
}
.guide-hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3rem);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 20px;
}
.hero-copy h1 span { color: var(--accent-light); }
.hero-copy p {
  color: rgba(255,255,255,.85);
  font-size: 1.0625rem;
  line-height: 1.9;
  max-width: 540px;
  margin-bottom: 28px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-meta .meta-item {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: rgba(255,255,255,.9);
  font-size: .875rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-meta .meta-item i { color: var(--accent-light); }
.hero-img img {
  border-radius: var(--radius-md);
  box-shadow: 0 18px 48px rgba(0,0,0,.3);
  width: 100%;
  height: auto;
  object-fit: cover;
}
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); box-shadow: 0 1px 0 var(--line-light); }
.nav-brand-row { border-bottom: 1px solid var(--line-light); }
.nav-brand-row .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 700; color: var(--primary); }
.brand-logo:hover { color: var(--accent); }
.brand-icon { width: 34px; height: 34px; background: var(--primary); color: var(--accent-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.brand-actions { display: flex; align-items: center; gap: 16px; }
.header-tel { font-family: var(--font-num); font-weight: 600; color: var(--primary); font-size: .9375rem; display: flex; align-items: center; gap: 6px; }
.header-tel:hover { color: var(--accent); }
.header-cta { background: var(--accent); color: #fff; border-radius: 6px; padding: 8px 20px; font-size: .875rem; font-weight: 600; }
.header-cta:hover { background: var(--accent-dark); color: #fff; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.25rem; color: var(--primary); width: 40px; height: 40px; border-radius: 6px; }
.nav-toggle:hover { background: rgba(43,58,74,.06); }
.nav-channel-row { background: #fff; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.channel-nav { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a {
  display: block;
  padding: 12px 16px;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s, border-color .2s;
}
.channel-nav a:hover { color: var(--primary); border-bottom-color: var(--accent); }
.channel-nav a.active { color: var(--primary); border-bottom-color: var(--accent); font-weight: 600; }
.steps-section { position: relative; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step-counter;
  position: relative;
}
.steps-grid::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-light) 0%, var(--accent) 100%);
  opacity: .3;
}
.step-item {
  position: relative;
  padding: 0 16px;
  text-align: center;
}
.step-num {
  width: 56px;
  height: 56px;
  margin: 4px auto 20px;
  background: var(--card);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-sm);
}
.step-item:nth-child(even) .step-num { border-color: var(--primary); color: var(--primary); }
.step-item h3 { font-size: 1.0625rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.step-item p { font-size: .875rem; color: var(--text-muted); line-height: 1.7; }
.module-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.module-card {
  background: var(--card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-sm);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.module-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.module-card .icon-wrap {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(196,123,43,.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  margin-bottom: 16px;
}
.module-card h3 { font-size: 1.125rem; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.module-card p { font-size: .9375rem; color: var(--text-muted); line-height: 1.75; }
.module-card ul { margin-top: 12px; }
.module-card ul li { font-size: .875rem; color: var(--text-muted); padding: 3px 0 3px 20px; position: relative; }
.module-card ul li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; color: var(--success); font-size: .75rem; top: 6px; }
.config-table-wrap { overflow-x: auto; }
.config-table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--card); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); overflow: hidden; min-width: 640px; }
.config-table th, .config-table td { padding: 16px 20px; text-align: left; font-size: .9375rem; border-bottom: 1px solid var(--line-light); }
.config-table th { background: var(--primary); color: #fff; font-weight: 600; font-size: .875rem; letter-spacing: .02em; }
.config-table th:first-child { border-top-left-radius: var(--radius-md); }
.config-table th:last-child { border-top-right-radius: var(--radius-md); }
.config-table tr:last-child td { border-bottom: none; }
.config-table tr:hover td { background: #FBF9F7; }
.config-table td:first-child { font-weight: 600; color: var(--primary); }
.config-table .tag-rec {
  background: rgba(46,139,99,.1);
  color: var(--success);
  border: 1px solid rgba(46,139,99,.25);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: .75rem;
  font-weight: 600;
  margin-left: 6px;
}
.faq-wrap { max-width: 780px; margin: 0 auto; }
.faq-item { background: var(--card); border: 1px solid var(--line-light); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; box-shadow: var(--shadow-sm); }
.faq-item summary {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background .2s;
}
.faq-item summary:hover { background: #FBF9F7; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.375rem;
  color: var(--accent);
  transition: transform .2s, color .2s;
  line-height: 1;
}
.faq-item[open] summary::after { content: "\00d7"; transform: rotate(45deg); color: var(--primary); }
.faq-item[open] summary { border-bottom: 1px solid var(--line-light); }
.faq-answer { padding: 0 24px 18px; color: var(--text-muted); font-size: .9375rem; line-height: 1.8; }
.contact-strip {
  background: var(--primary-dark);
  border-radius: var(--radius-md);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.contact-strip h2 { color: #fff; font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.contact-strip p { color: rgba(255,255,255,.7); font-size: .9375rem; }
.contact-links { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 6px; padding: 12px 28px; font-size: .9375rem; font-weight: 600; border: none; transition: background .2s, color .2s, border-color .2s, transform .2s; min-height: 44px; }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-primary:active { background: #8F5418; }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline:active { background: var(--primary-dark); }
.btn-outline-light { background: transparent; border: 2px solid rgba(255,255,255,.7); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); color: #fff; }
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.75); padding: 64px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand h3 { color: #fff; font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
.footer-brand p { font-size: .875rem; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 260px; }
.footer-col h4 { color: #fff; font-size: .9375rem; font-weight: 600; margin-bottom: 14px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,.6); font-size: .875rem; }
.footer-col ul li a:hover { color: var(--accent-light); }
.footer-contact li { display: flex; align-items: center; gap: 8px; font-size: .875rem; color: rgba(255,255,255,.6); }
.footer-contact i { color: var(--accent-light); width: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .8125rem; color: rgba(255,255,255,.45); }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--accent-light); }
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .steps-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-img { order: -1; max-width: 400px; margin: 0 auto; }
  .hero-copy h1 { font-size: 2rem; }
  .module-cards { grid-template-columns: 1fr; }
  .contact-strip { flex-direction: column; align-items: flex-start; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .brand-actions .header-tel, .brand-actions .header-cta { display: none; }
  .nav-channel-row { display: none; position: absolute; top: 65px; left: 0; right: 0; background: #fff; box-shadow: 0 8px 24px rgba(43,58,74,.12); }
  .nav-channel-row.open { display: block; }
  .channel-nav { flex-direction: column; align-items: stretch; padding: 8px 0; }
  .channel-nav a { border-bottom: 1px solid var(--line-light); padding: 14px 24px; border-bottom-color: var(--line-light); }
  .channel-nav a.active { border-bottom-color: var(--line-light); background: rgba(196,123,43,.06); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-item { display: flex; gap: 16px; text-align: left; padding: 0; }
  .step-num { margin: 4px 0 0; flex-shrink: 0; }
  .config-table { font-size: .875rem; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section-head h2 { font-size: 1.5rem; }
  .hero-copy h1 { font-size: 1.75rem; }
  .hero-meta { flex-direction: column; gap: 8px; }
  .contact-strip { padding: 28px; }
}

/* roulang page: category4 */
:root{
  --primary:#2B3A4A;
  --primary-deep:#1E2933;
  --accent:#C47B2B;
  --accent-light:#E0A45E;
  --accent-hover:#A5651F;
  --bg:#F5F3F0;
  --card:#FFFFFF;
  --text:#2A2E33;
  --text-muted:#6E757D;
  --border:#E5E1DB;
  --border-dark:#E8E2DA;
  --success:#2E8B63;
  --radius:8px;
  --shadow:0 2px 8px rgba(43,58,74,.06);
  --shadow-hover:0 6px 18px rgba(43,58,74,.1);
  --space-section:80px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans CJK SC",sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  font-size:1rem;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:all .25s ease}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:999;background:rgba(255,255,255,.96);box-shadow:0 1px 0 var(--border);backdrop-filter:blur(10px)}
.nav-brand-row{border-bottom:1px solid var(--border)}
.nav-brand-row .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand-logo{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:700;color:var(--primary);letter-spacing:0}
.brand-logo:hover{color:var(--primary)}
.brand-icon{width:40px;height:40px;background:var(--primary);color:var(--accent-light);display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:1.1rem}
.brand-actions{display:flex;align-items:center;gap:16px}
.header-tel{font-weight:600;color:var(--primary);font-size:.95rem}
.header-tel i{color:var(--accent);margin-right:4px}
.header-cta{background:var(--accent);color:#fff;padding:8px 20px;border-radius:6px;font-weight:600;font-size:.9rem}
.header-cta:hover{background:var(--accent-hover);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:6px;width:40px;height:40px;font-size:1.1rem;color:var(--primary);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:focus{outline:2px solid var(--accent);outline-offset:2px}
.channel-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 0}
.channel-nav a{display:inline-block;padding:7px 18px;border-radius:20px;font-size:.92rem;font-weight:500;color:var(--text);border:1px solid transparent}
.channel-nav a:hover{color:var(--accent);background:rgba(196,123,43,.08)}
.channel-nav a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
@media(max-width:640px){
  .nav-toggle{display:flex}
  .header-tel{display:none}
  .channel-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid var(--border);padding:12px 24px;flex-direction:column;align-items:flex-start;box-shadow:0 8px 16px rgba(0,0,0,.08)}
  .channel-nav.open{display:flex}
  .channel-nav a{width:100%;padding:12px 16px;border-radius:8px}
  .channel-nav a.active{background:var(--primary)}
}

/* ===== Page Hero ===== */
.page-hero{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;
  padding:72px 0 80px;
  position:relative;
  overflow:hidden;
  min-height:320px;
  display:flex;
  align-items:center;
}
.page-hero::before{
  content:'';
  position:absolute;
  top:0;right:0;bottom:0;left:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  opacity:.18;
}
.page-hero .container{position:relative;z-index:2}
.page-breadcrumb{font-size:.88rem;color:rgba(255,255,255,.7);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:6px}
.page-breadcrumb a{color:rgba(255,255,255,.85)}
.page-breadcrumb a:hover{color:var(--accent-light)}
.page-breadcrumb span{margin:0 4px;opacity:.5}
.page-hero h1{font-size:clamp(2rem,4vw+1rem,3rem);font-weight:700;line-height:1.25;color:#fff;margin-bottom:16px}
.page-hero p{font-size:1.05rem;max-width:640px;color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:0}
@media(max-width:640px){
  .page-hero{padding:48px 0 56px;min-height:auto}
}

/* ===== Section Common ===== */
.section{padding:var(--space-section) 0}
.section-header{margin-bottom:44px}
.section-header .section-tag{display:inline-block;background:rgba(196,123,43,.1);color:var(--accent);font-size:.82rem;font-weight:600;padding:4px 14px;border-radius:14px;margin-bottom:12px;letter-spacing:0}
.section-header h2{font-size:clamp(1.5rem,2vw+1rem,2.2rem);font-weight:700;color:var(--primary);line-height:1.3;margin-bottom:12px}
.section-header p{color:var(--text-muted);max-width:720px}
.section-header.center{text-align:center}
.section-header.center p{margin:0 auto}

/* ===== Topic Intro ===== */
.topic-intro{background:#fff;border-bottom:1px solid var(--border)}
.topic-intro-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.topic-intro-text h2{font-size:1.8rem;font-weight:700;color:var(--primary);margin-bottom:16px;line-height:1.3}
.topic-intro-text p{color:var(--text-muted);font-size:1rem;line-height:1.9;margin-bottom:12px}
.topic-intro-text ul{margin-top:16px}
.topic-intro-text ul li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--text)}
.topic-intro-text ul li::before{content:'\f058';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:0;top:2px;color:var(--accent);font-size:.9rem}
.topic-intro-media{border-radius:12px;overflow:hidden;box-shadow:var(--shadow-hover);position:relative}
.topic-intro-media img{width:100%;height:300px;object-fit:cover}
.topic-intro-media::after{content:'专题资料整理中';position:absolute;bottom:16px;left:16px;background:rgba(30,41,51,.88);color:#fff;padding:8px 16px;border-radius:20px;font-size:.85rem;font-weight:500}
@media(max-width:1024px){
  .topic-intro-grid{grid-template-columns:1fr;gap:32px}
}

/* ===== Topic Cards ===== */
.topic-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{
  background:var(--card);
  border:1px solid var(--border-dark);
  border-radius:12px;
  padding:32px 28px;
  position:relative;
  box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.topic-card .topic-icon{
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;margin-bottom:18px;
}
.topic-card:nth-child(1) .topic-icon{background:rgba(196,123,43,.12);color:var(--accent)}
.topic-card:nth-child(2) .topic-icon{background:rgba(43,58,74,.1);color:var(--primary)}
.topic-card:nth-child(3) .topic-icon{background:rgba(46,139,99,.1);color:var(--success)}
.topic-card:nth-child(4) .topic-icon{background:rgba(224,164,94,.15);color:var(--accent-hover)}
.topic-card:nth-child(5) .topic-icon{background:rgba(43,58,74,.08);color:var(--primary)}
.topic-card:nth-child(6) .topic-icon{background:rgba(196,123,43,.1);color:var(--accent)}
.topic-card h3{font-size:1.2rem;font-weight:600;color:var(--primary);margin-bottom:10px}
.topic-card p{color:var(--text-muted);font-size:.92rem;line-height:1.75;margin-bottom:16px}
.topic-card .topic-link{font-size:.88rem;font-weight:600;color:var(--accent)}
.topic-card .topic-link i{font-size:.78rem;margin-left:4px;transition:transform .25s}
.topic-card .topic-link:hover i{transform:translateX(4px)}
@media(max-width:1024px){
  .topic-card-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .topic-card-grid{grid-template-columns:1fr}
}

/* ===== Data Block ===== */
.data-section{background:var(--primary-deep);color:#fff;padding:72px 0}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.data-item{padding:32px 16px;border:1px solid rgba(255,255,255,.08);border-radius:12px;background:rgba(255,255,255,.03)}
.data-item .data-num{font-size:2.2rem;font-weight:700;color:var(--accent-light);font-family:var(--font-num);line-height:1.2}
.data-item .data-label{font-size:.9rem;color:rgba(255,255,255,.7);margin-top:8px}
@media(max-width:640px){
  .data-grid{grid-template-columns:repeat(2,1fr)}
}

/* ===== Hot Topics List ===== */
.hot-topics{background:var(--bg)}
.hot-list{max-width:860px;margin:0 auto}
.hot-item{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--border-dark);border-radius:10px;
  padding:24px 28px;margin-bottom:16px;
  transition:transform .25s,box-shadow .25s;
}
.hot-item:hover{transform:translateX(6px);box-shadow:var(--shadow-hover)}
.hot-rank{
  flex:0 0 48px;height:48px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;font-weight:700;font-family:var(--font-num);
  background:var(--primary);color:var(--accent-light);
}
.hot-item:nth-child(1) .hot-rank{background:var(--accent);color:#fff}
.hot-item:nth-child(2) .hot-rank{background:var(--primary);color:var(--accent-light)}
.hot-item:nth-child(3) .hot-rank{background:var(--primary-deep);color:var(--accent-light)}
.hot-info{flex:1}
.hot-info h3{font-size:1.08rem;font-weight:600;color:var(--primary);margin-bottom:6px;line-height:1.5}
.hot-info p{color:var(--text-muted);font-size:.9rem;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-meta{margin-top:10px;font-size:.82rem;color:var(--text-muted);display:flex;gap:16px;flex-wrap:wrap}
.hot-meta span{display:inline-flex;align-items:center;gap:5px}
.hot-meta i{color:var(--accent);font-size:.75rem}
@media(max-width:640px){
  .hot-item{flex-direction:column;gap:12px;padding:20px}
  .hot-rank{width:40px;height:40px;font-size:1.1rem}
}

/* ===== Workflow ===== */
.workflow-section{background:#fff}
.workflow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px}
.workflow-item{text-align:center;padding:32px 20px;position:relative}
.workflow-step{
  width:64px;height:64px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;font-weight:700;font-family:var(--font-num);
  margin:0 auto 18px;position:relative;box-shadow:0 4px 12px rgba(43,58,74,.2);
}
.workflow-item:nth-child(2) .workflow-step{background:var(--accent)}
.workflow-item:nth-child(3) .workflow-step{background:var(--primary-deep)}
.workflow-item:nth-child(4) .workflow-step{background:var(--accent-hover)}
.workflow-step::after{
  content:'';position:absolute;top:32px;left:100%;width:40px;height:2px;
  background:var(--border-dark);
}
.workflow-item:last-child .workflow-step::after{display:none}
.workflow-item h3{font-size:1.05rem;font-weight:600;color:var(--primary);margin-bottom:8px}
.workflow-item p{font-size:.88rem;color:var(--text-muted);max-width:200px;margin:0 auto}
@media(max-width:1024px){
  .workflow-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .workflow-step::after{display:none}
}
@media(max-width:640px){
  .workflow-grid{grid-template-columns:1fr}
}

/* ===== FAQ ===== */
.faq-section{background:var(--bg)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border-dark);border-radius:10px;margin-bottom:12px;overflow:hidden;transition:box-shadow .25s}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-question{
  width:100%;text-align:left;background:none;border:none;
  padding:20px 28px;font-size:1rem;font-weight:600;color:var(--text);
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:var(--font-cn);transition:color .2s;
}
.faq-question:hover{color:var(--accent)}
.faq-question .faq-icon{width:28px;height:28px;flex:0 0 28px;border-radius:50%;border:1px solid var(--border-dark);display:flex;align-items:center;justify-content:center;font-size:.8rem;color:var(--accent);transition:transform .3s}
.faq-item.active .faq-icon{background:var(--accent);color:#fff;transform:rotate(45deg);border-color:var(--accent)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer-inner{padding:0 28px 22px;color:var(--text-muted);font-size:.95rem;line-height:1.85;border-top:1px dashed var(--border);margin:0 28px 0 28px;padding-top:16px;padding-left:0;padding-right:0}
@media(max-width:640px){
  .faq-question{padding:18px 20px;font-size:.95rem}
  .faq-answer-inner{margin:0 20px;padding-bottom:18px}
}

/* ===== CTA Link ===== */
.cta-simple{
  background:var(--primary);color:#fff;text-align:center;padding:56px 0;
  background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-blend-mode:overlay;background-color:rgba(30,41,51,.88);
}
.cta-simple h2{font-size:1.8rem;font-weight:700;margin-bottom:12px;color:#fff}
.cta-simple p{color:rgba(255,255,255,.8);margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:6px;font-weight:600;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:all .25s;min-height:44px;font-family:var(--font-cn)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);color:#fff}
.btn-outline{border-color:#fff;color:#fff;background:transparent}
.btn-outline:hover{background:#fff;color:var(--primary)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff}
@media(max-width:640px){
  .btn{width:100%;justify-content:center}
}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.75);padding:64px 0 0;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand h3{font-size:1.25rem;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.footer-brand h3 i{color:var(--accent-light)}
.footer-brand p{line-height:1.75;color:rgba(255,255,255,.6);font-size:.88rem}
.footer-col h4{font-size:.95rem;color:#fff;margin-bottom:16px;font-weight:600;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,.65)}
.footer-col ul a:hover{color:var(--accent-light)}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.65);margin-bottom:10px}
.footer-contact i{color:var(--accent-light);width:18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.82rem;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.65)}
.footer-bottom a:hover{color:var(--accent-light)}
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== Back to top ===== */
.back-top{
  position:fixed;right:30px;bottom:30px;width:44px;height:44px;
  background:var(--primary);color:#fff;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;box-shadow:0 4px 12px rgba(0,0,0,.15);
  opacity:0;visibility:hidden;transition:all .3s;z-index:99;border:none;cursor:pointer;
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--accent);color:#fff}

/* Focus accessibility */
a:focus-visible,button:focus-visible,.header-cta:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

/* ===== Responsive Foundation Overrides ===== */
@media(max-width:640px){
  .section{padding:48px 0}
  .container{padding:0 20px}
}

/* roulang page: category3 */
:root {
  --primary: #2B3A4A;
  --primary-dark: #1E2933;
  --accent: #C47B2B;
  --accent-dark: #A5651F;
  --accent-light: #E0A45E;
  --bg: #F5F3F0;
  --card-bg: #FFFFFF;
  --text-main: #2A2E33;
  --text-muted: #6E757D;
  --border: #E5E1DB;
  --border-light: #EFEAE3;
  --success: #2E8B63;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(43,58,74,.06);
  --shadow-lg: 0 6px 18px rgba(43,58,74,.1);
  --font-main: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  --font-num: "Inter", "Helvetica Neue", Arial, sans-serif;
  --space-section: 72px;
  --space-section-mobile: 48px;
}
*, *::before, *::after { 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-main); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol, p, h1, h2, h3, h4, h5, h6 { margin: 0; padding: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media screen and (max-width: 640px) {
  .container { padding: 0 16px; }
}
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(30,41,51,.04); }
.nav-brand-row { border-bottom: 1px solid var(--border-light); }
.nav-brand-row .container { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 700; color: var(--primary); letter-spacing: .5px; }
.brand-logo .brand-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: var(--primary); color: var(--accent-light); border-radius: 8px; font-size: 15px; }
.brand-actions { display: flex; align-items: center; gap: 12px; }
.header-tel { font-family: var(--font-num); font-weight: 600; color: var(--primary); font-size: .95rem; display: inline-flex; align-items: center; gap: 6px; }
.header-tel i { color: var(--accent); }
.header-cta { display: inline-flex; align-items: center; background: var(--accent); color: #fff; font-size: .875rem; font-weight: 600; padding: 8px 20px; border-radius: 6px; transition: background .2s, transform .2s; }
.header-cta:hover { background: var(--accent-dark); transform: translateY(-1px); }
.nav-toggle { display: none; background: transparent; border: 0; font-size: 1.4rem; color: var(--primary); cursor: pointer; padding: 6px 10px; border-radius: 6px; }
.nav-toggle:hover { background: var(--bg); }
.nav-channel-row { background: #fff; }
.nav-channel-row .container { padding-top: 0; padding-bottom: 0; }
.channel-nav { display: flex; align-items: center; gap: 0; overflow-x: auto; scrollbar-width: none; min-height: 52px; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a { flex: 0 0 auto; color: var(--text-muted); font-size: .95rem; font-weight: 500; padding: 0 18px; position: relative; min-height: 52px; display: inline-flex; align-items: center; transition: color .2s; }
.channel-nav a:hover { color: var(--accent); }
.channel-nav a.active { color: var(--primary); font-weight: 600; }
.channel-nav a.active::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 3px; background: var(--accent); border-radius: 3px 3px 0 0; }
@media screen and (max-width: 768px) {
  .header-tel { display: none; }
  .nav-toggle { display: inline-flex; }
  .channel-nav { display: none; flex-direction: column; align-items: stretch; padding: 8px 0 12px; min-height: 0; }
  .channel-nav a { min-height: 44px; padding: 0 8px; border-bottom: 1px solid var(--border-light); }
  .channel-nav a.active::after { display: none; }
  .channel-nav a.active { color: var(--accent); background: rgba(196,123,43,.06); border-radius: 6px; }
  .nav-channel-row.open .channel-nav { display: flex; }
}
.main { overflow: hidden; }
/* ===== Hero ===== */
.tech-hero { position: relative; background: var(--primary-dark) url('/assets/images/backpic/back-2.webp') center/cover no-repeat; padding: 96px 0 88px; }
.tech-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(30,41,51,.94) 0%, rgba(43,58,74,.84) 50%, rgba(30,41,51,.55) 100%); }
.tech-hero .container { position: relative; z-index: 2; }
.tech-hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--accent-light); background: rgba(224,164,94,.12); border: 1px solid rgba(224,164,94,.35); padding: 6px 16px; border-radius: 999px; letter-spacing: .3px; }
.tech-hero h1 { font-size: clamp(2rem, 4vw + 1rem, 3.2rem); font-weight: 700; line-height: 1.2; color: #fff; margin: 20px 0 18px; letter-spacing: 0; }
.tech-hero h1 span { color: var(--accent-light); }
.tech-hero-text p { color: rgba(255,255,255,.82); font-size: 1.05rem; line-height: 1.9; max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: .95rem; font-weight: 600; padding: 12px 28px; border-radius: 6px; border: 0; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s; line-height: 1.4; min-height: 44px; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(196,123,43,.3); }
.btn-primary:active { transform: translateY(0); background: #8E531A; }
.btn-outline-light { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); padding: 10px 26px; }
.btn-outline-light:hover { background: #fff; color: var(--primary-dark); border-color: #fff; transform: translateY(-2px); }
.tech-hero-right { position: relative; }
.tech-hero-panel { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); padding: 14px; backdrop-filter: blur(6px); }
.tech-hero-panel img { border-radius: 8px; width: 100%; height: auto; object-fit: cover; aspect-ratio: 4/3; }
.hero-panel-meta { display: flex; justify-content: space-between; margin-top: 14px; color: rgba(255,255,255,.75); font-size: .85rem; padding: 0 4px 2px; }
.hero-panel-meta .dot { color: var(--accent-light); }
@media screen and (max-width: 1024px) {
  .tech-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .tech-hero-right { max-width: 520px; }
}
@media screen and (max-width: 640px) {
  .tech-hero { padding: 60px 0 48px; }
  .hero-actions .btn { width: 100%; }
}
/* ===== Section Base ===== */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--card-bg); }
.section-dark { background: var(--primary-dark); }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-sub { display: inline-block; font-size: .85rem; font-weight: 600; color: var(--accent); text-transform: none; letter-spacing: 1px; margin-bottom: 8px; background: rgba(196,123,43,.08); padding: 4px 14px; border-radius: 999px; }
.section-head h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2.1rem); font-weight: 700; line-height: 1.3; color: var(--primary); margin: 10px 0 12px; }
.section-head p { color: var(--text-muted); font-size: 1rem; max-width: 640px; line-height: 1.8; }
.section-head.center p { margin-left: auto; margin-right: auto; }
/* ===== Capability ===== */
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.capability-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 26px; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; position: relative; overflow: hidden; }
.capability-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.capability-num { font-family: var(--font-num); font-size: 2rem; font-weight: 700; color: var(--accent-light); line-height: 1; margin-bottom: 18px; display: block; }
.capability-card h3 { font-size: 1.15rem; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.capability-card p { font-size: .925rem; color: var(--text-muted); line-height: 1.75; }
.capability-card::after { content: ""; position: absolute; right: 0; top: 0; width: 3px; height: 0; background: var(--accent); transition: height .3s; border-radius: 0 0 0 3px; }
.capability-card:hover::after { height: 100%; }
@media screen and (max-width: 1024px) {
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
}
@media screen and (max-width: 640px) {
  .capability-grid { grid-template-columns: 1fr; }
}
/* ===== Scenario ===== */
.scenario-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.scenario-card { display: flex; flex-direction: column; background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; }
.scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.scenario-card img { width: 100%; height: 200px; object-fit: cover; }
.scenario-body { padding: 26px; flex: 1; }
.scenario-body h3 { font-size: 1.2rem; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.scenario-body p { font-size: .94rem; color: var(--text-muted); line-height: 1.75; }
.scenario-tag { display: inline-block; font-size: .8rem; color: var(--accent); border: 1px solid rgba(196,123,43,.4); background: rgba(196,123,43,.06); padding: 3px 12px; border-radius: 999px; margin-bottom: 14px; font-weight: 500; }
@media screen and (max-width: 768px) {
  .scenario-grid { grid-template-columns: 1fr; }
}
/* ===== Process Timeline ===== */
.process-section .section-head h2 { color: #fff; }
.process-section .section-head p { color: rgba(255,255,255,.65); }
.process-list { max-width: 820px; margin: 0 auto; position: relative; padding-left: 0; }
.process-list::before { content: ""; position: absolute; left: 22px; top: 8px; bottom: 8px; width: 2px; background: rgba(255,255,255,.14); }
.process-item { display: flex; gap: 32px; padding: 20px 0; position: relative; }
.process-step { flex: 0 0 44px; height: 44px; background: var(--primary); border: 2px solid var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-num); font-weight: 700; color: var(--accent-light); z-index: 1; font-size: .9rem; }
.process-content { flex: 1; padding-top: 8px; }
.process-content h3 { color: #fff; font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }
.process-content p { color: rgba(255,255,255,.7); font-size: .94rem; line-height: 1.75; }
@media screen and (max-width: 640px) {
  .process-item { gap: 20px; }
  .process-list::before { left: 20px; }
}
/* ===== Comparison ===== */
.compare-wrap { display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: 20px; align-items: stretch; }
.compare-col { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 30px; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; position: relative; display: flex; flex-direction: column; }
.compare-col:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.compare-col.highlight { background: var(--primary); border-color: var(--primary); color: #fff; z-index: 2; box-shadow: 0 12px 32px rgba(30,41,51,.25); }
.compare-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--success); color: #fff; font-size: .78rem; font-weight: 600; padding: 4px 18px; border-radius: 999px; white-space: nowrap; box-shadow: 0 4px 10px rgba(46,139,99,.3); }
.compare-name { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin-bottom: 4px; }
.compare-col.highlight .compare-name { color: #fff; }
.compare-desc { font-size: .85rem; color: var(--text-muted); margin-bottom: 16px; }
.compare-col.highlight .compare-desc { color: rgba(255,255,255,.65); }
.compare-price { font-family: var(--font-num); font-size: 2rem; font-weight: 700; color: var(--accent); line-height: 1.2; margin-bottom: 4px; }
.compare-price small { font-size: .85rem; font-weight: 500; color: var(--text-muted); }
.compare-col.highlight .compare-price small { color: rgba(255,255,255,.6); }
.compare-features { list-style: none; margin: 20px 0 28px; flex: 1; }
.compare-features li { padding: 8px 0; font-size: .92rem; color: var(--text-main); display: flex; align-items: flex-start; gap: 10px; border-bottom: 1px dashed var(--border-light); }
.compare-features li:last-child { border-bottom: 0; }
.compare-features li i { color: var(--success); font-size: .8rem; margin-top: 5px; }
.compare-features li.no i { color: #C9C4BC; }
.compare-features li.no { color: var(--text-muted); }
.compare-col.highlight .compare-features li { color: rgba(255,255,255,.85); border-bottom-color: rgba(255,255,255,.1); }
.compare-col.highlight .compare-features li.no { color: rgba(255,255,255,.45); }
.compare-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; font-size: .9rem; padding: 11px 22px; border-radius: 6px; transition: all .2s; border: 0; cursor: pointer; min-height: 42px; }
.compare-btn-secondary { background: var(--bg); color: var(--primary); border: 1px solid var(--border); }
.compare-btn-secondary:hover { background: var(--primary); color: #fff; }
.compare-btn-primary { background: var(--accent); color: #fff; }
.compare-btn-primary:hover { background: var(--accent-dark); }
.compare-col.highlight .compare-btn-primary { background: var(--accent); color: #fff; }
.compare-col.highlight .compare-btn-primary:hover { background: var(--accent-dark); }
@media screen and (max-width: 900px) {
  .compare-wrap { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .compare-col.highlight { order: -1; }
}
/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; box-shadow: 0 1px 4px rgba(43,58,74,.03); transition: box-shadow .2s; }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; font-weight: 600; font-size: 1rem; color: var(--primary); user-select: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon { position: relative; flex: 0 0 24px; height: 24px; }
.faq-item summary .faq-icon::before, .faq-item summary .faq-icon::after { content: ""; position: absolute; background: var(--accent); border-radius: 2px; transition: transform .25s; }
.faq-item summary .faq-icon::before { width: 14px; height: 2px; top: 11px; left: 5px; }
.faq-item summary .faq-icon::after { width: 2px; height: 14px; top: 5px; left: 11px; }
.faq-item[open] summary .faq-icon::before { transform: rotate(45deg); }
.faq-item[open] summary .faq-icon::after { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 24px 22px; color: var(--text-muted); font-size: .95rem; line-height: 1.8; }
@media screen and (max-width: 640px) {
  .faq-item summary { padding: 18px 18px; }
  .faq-item .faq-answer { padding: 0 18px 18px; }
}
/* ===== CTA ===== */
.tech-cta { background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat; position: relative; padding: 72px 0; }
.tech-cta::before { content: ""; position: absolute; inset: 0; background: rgba(30,41,51,.82); }
.tech-cta .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.tech-cta h2 { color: #fff; font-size: clamp(1.4rem, 2vw + .8rem, 2rem); font-weight: 700; margin-bottom: 10px; }
.tech-cta p { color: rgba(255,255,255,.72); font-size: .98rem; max-width: 520px; }
.tech-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.tech-cta-actions .btn-primary { background: var(--accent); }
.tech-cta-actions .btn-primary:hover { background: var(--accent-dark); }
.tech-cta-actions .btn-outline-light { border-color: rgba(255,255,255,.5); }
@media screen and (max-width: 768px) {
  .tech-cta { text-align: center; }
  .tech-cta .container { justify-content: center; }
  .tech-cta-actions { justify-content: center; }
  .tech-cta-actions .btn { min-width: 160px; }
}
/* ===== Footer ===== */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.72); padding: 64px 0 0; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand h3 { color: #fff; font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; letter-spacing: .5px; }
.footer-brand p { color: rgba(255,255,255,.6); line-height: 1.75; font-size: .9rem; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,.65); transition: color .2s; }
.footer-col a:hover { color: var(--accent-light); }
.footer-contact li { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.65); }
.footer-contact i { color: var(--accent-light); width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: .82rem; color: rgba(255,255,255,.45); }
.footer-bottom a { color: rgba(255,255,255,.55); }
.footer-bottom a:hover { color: var(--accent-light); }
@media screen and (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media screen and (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}