/* roulang page: index */
:root {
  --primary: #234E70;
  --primary-light: #356B99;
  --primary-dark: #173A56;
  --accent: #C9A961;
  --accent-light: #DDBE7A;
  --bg: #F4F6FA;
  --surface: #FFFFFF;
  --text: #1F2A37;
  --text-weak: #6B7A8C;
  --border: #E3E9F0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 28px rgba(35,78,112,0.08);
  --shadow-hover: 0 14px 40px rgba(35,78,112,0.15);
  --transition: all 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

.container-custom {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* App Shell */
.app-shell { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 240px;
  position: fixed;
  inset: 0 auto 0 0;
  background: var(--primary-dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  z-index: 1040;
  border-right: 1px solid rgba(255,255,255,0.06);
}
.sidebar-inner { display: flex; flex-direction: column; height: 100%; padding: 28px 20px; }
.brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  padding: 8px 12px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: block;
  line-height: 1.4;
}
.brand small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
  letter-spacing: 0;
}

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; margin-top: 24px; }
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
  font-size: 15px;
}
.sidebar-nav .nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav .nav-link.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-left-color: var(--accent);
}
.sidebar-nav .nav-link i { width: 18px; text-align: center; font-size: 14px; }

.sidebar-info {
  margin-top: auto;
  padding: 18px 12px 8px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.9;
}
.sidebar-info .phone { font-size: 15px; color: var(--accent-light); font-weight: 700; }
.sidebar-info .hours { margin-top: 4px; }

.main-content { flex: 1; margin-left: 240px; min-width: 0; }

/* Buttons */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  border-radius: 10px;
  font-weight: 600;
  padding: 12px 24px;
  color: #fff;
  transition: var(--transition);
}
.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(35,78,112,0.25);
  outline: none;
}
.btn-outline-light {
  border-radius: 10px;
  font-weight: 600;
  padding: 12px 24px;
  transition: var(--transition);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline-primary {
  border-radius: 10px;
  font-weight: 600;
  border-color: var(--primary);
  color: var(--primary);
  transition: var(--transition);
}
.btn-outline-primary:hover {
  background-color: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Hero */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-color: var(--primary-dark);
  padding: 120px 0 100px;
  color: #fff;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15,32,51,0.93) 0%, rgba(23,54,82,0.80) 55%, rgba(35,78,112,0.45) 100%);
  z-index: -1;
}
.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.24);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 20px;
  backdrop-filter: blur(6px);
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero .hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.88);
  max-width: 580px;
  margin-bottom: 28px;
  line-height: 1.85;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stats .stat { font-size: 26px; font-weight: 700; color: #fff; line-height: 1.2; }
.hero-stats .stat span {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* Booking Card */
.booking-card {
  background: #ffffff;
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: 0 18px 48px rgba(0,0,0,0.18);
  color: var(--text);
  max-width: 400px;
  margin-left: auto;
}
.booking-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.booking-card > p { color: var(--text-weak); font-size: 14px; margin-bottom: 20px; }
.booking-card .form-select,
.booking-card .form-control {
  border-radius: 10px;
  border-color: var(--border);
  padding: 11px 14px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text);
}
.booking-card .form-select:focus,
.booking-card .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(35,78,112,0.08);
}
.booking-card .btn { width: 100%; }

/* Section Common */
.section-padding { padding: 90px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head .section-tag {
  display: inline-block;
  background: rgba(35,78,112,0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.section-head p { color: var(--text-weak); font-size: 15px; line-height: 1.8; }
.section-white { background: #fff; }
.section-tint { background: var(--bg); }

/* Category Chips */
.category-wrap { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.category-chip:hover,
.category-chip:focus {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  outline: none;
}
.category-chip i { color: var(--accent); margin-right: 4px; }

/* Track Scroll */
.track-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 8px 4px 20px;
  scroll-snap-type: x mandatory;
}
.track-scroll::-webkit-scrollbar { height: 6px; }
.track-scroll::-webkit-scrollbar-track { background: transparent; }
.track-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
.track-card {
  min-width: 300px;
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.track-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.track-card .track-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.track-card .track-img-wrap { position: relative; }
.track-card .track-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.track-card .track-body { padding: 18px 20px 22px; }
.track-card .track-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.track-card .track-body .district { color: var(--accent); font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.track-card .track-body p {
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 14px;
  line-height: 1.65;
}
.btn-sm-round {
  display: inline-block;
  padding: 8px 18px;
  background: rgba(35,78,112,0.08);
  color: var(--primary);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-sm-round:hover { background: var(--primary); color: #fff; }

/* Recommendation Cards */
.rec-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.rec-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.rec-card .rec-img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
}
.rec-card .rec-img-wrap { position: relative; }
.rec-card .badge-pos {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 50px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.rec-card .rec-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
.rec-card .rec-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.rec-card .rec-body p { font-size: 14px; color: var(--text-weak); flex: 1; margin-bottom: 16px; line-height: 1.7; }

/* Service Zones */
.service-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  height: 100%;
  transition: var(--transition);
  text-align: center;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.service-card .icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(35,78,112,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 24px;
  color: var(--primary);
}
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.service-card .service-desc { font-size: 14px; color: var(--text-weak); margin-bottom: 16px; line-height: 1.7; }
.service-card ul { list-style: none; padding: 0; font-size: 14px; color: var(--text); text-align: left; }
.service-card ul li { padding: 6px 0; border-bottom: 1px dashed var(--border); display: flex; align-items: center; }
.service-card ul li:last-child { border-bottom: none; }
.service-card ul li i { color: var(--accent); margin-right: 8px; font-size: 13px; }

/* Stats */
.stats-section { background: var(--primary-dark); color: #fff; padding: 70px 0; }
.stat-item { text-align: center; padding: 20px 10px; }
.stat-item .num { font-size: 42px; font-weight: 800; color: #fff; line-height: 1.2; }
.stat-item .num i { font-size: 26px; color: var(--accent); vertical-align: middle; margin-right: 6px; }
.stat-item .label { color: rgba(255,255,255,0.55); font-size: 14px; margin-top: 6px; }

/* Reviews */
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  transition: var(--transition);
  height: 100%;
}
.review-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.review-card::before {
  content: "\201C";
  position: absolute;
  top: 6px;
  left: 20px;
  font-size: 60px;
  line-height: 1;
  color: rgba(35,78,112,0.12);
  font-family: Georgia, serif;
}
.review-card .review-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.85;
  margin-bottom: 16px;
  padding-top: 12px;
}
.review-card .review-writer {
  font-size: 13px;
  color: var(--text-weak);
  font-weight: 600;
  display: flex;
  align-items: center;
}
.review-card .review-writer .avatar {
  display: inline-flex;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-right: 8px;
  flex-shrink: 0;
}

/* FAQ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  margin-bottom: 14px;
  overflow: hidden;
  background: #fff;
}
.accordion-button {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  background: #fff;
  border: none;
  box-shadow: none !important;
}
.accordion-button:focus { box-shadow: none; }
.accordion-button:not(.collapsed) { color: var(--primary); background: rgba(35,78,112,0.03); }
.accordion-button::after { background-size: 14px; flex-shrink: 0; }
.accordion-body {
  padding: 6px 22px 20px;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.85;
}

/* News */
.news-list .news-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px solid var(--border);
}
.news-list .news-item:last-child { border-bottom: none; }
.news-item .news-date { color: var(--text-weak); font-size: 13px; white-space: nowrap; }
.news-item .news-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  line-height: 1.5;
}
.news-item .news-title:hover { color: var(--primary); }
.news-meta { margin-left: auto; color: var(--accent); font-size: 13px; white-space: nowrap; }
.news-item:hover .news-title { color: var(--primary); }

.rec-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.rec-box .rec-title {
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
  color: var(--text);
}
.rec-box ul { list-style: none; padding: 0; margin: 0; }
.rec-box ul li { padding: 8px 0; font-size: 14px; border-bottom: 1px dashed var(--border); }
.rec-box ul li:last-child { border-bottom: none; }
.rec-box ul li a { color: var(--text); transition: var(--transition); }
.rec-box ul li a:hover { color: var(--primary); padding-left: 4px; }
.rec-box .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.rec-box .tag-cloud a {
  background: var(--bg);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-weak);
  transition: var(--transition);
  border: 1px solid transparent;
}
.rec-box .tag-cloud a:hover { background: var(--primary); color: #fff; }

/* CTA */
.cta-section {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius);
  padding: 56px 40px;
  position: relative;
  overflow: hidden;
  text-align: center;
  box-shadow: var(--shadow-hover);
}
.cta-section h2 { color: #fff; font-size: 30px; font-weight: 800; margin-bottom: 14px; }
.cta-section p {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  max-width: 620px;
  margin: 0 auto 26px;
  line-height: 1.8;
}
.cta-section .btn-white {
  background: #fff;
  color: var(--primary);
  border-radius: 10px;
  font-weight: 700;
  padding: 13px 34px;
  border: none;
  transition: var(--transition);
  display: inline-block;
}
.cta-section .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0,0,0,0.18);
  color: var(--primary);
}
.cta-section::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  right: -80px;
  top: -80px;
}
.cta-section::before {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  left: -50px;
  bottom: -60px;
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 70px 0 30px;
}
.footer-inner { display: flex; flex-wrap: wrap; gap: 40px; }
.footer-brand { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 12px; line-height: 1.4; }
.footer-brand small { display: block; font-size: 13px; font-weight: 400; color: rgba(255,255,255,0.5); margin-top: 4px; }
.footer-desc { font-size: 14px; line-height: 1.85; max-width: 340px; margin-bottom: 0; color: rgba(255,255,255,0.6); }
.footer-links h5 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact p { font-size: 14px; margin-bottom: 8px; color: rgba(255,255,255,0.6); }
.footer-contact i { color: var(--accent); margin-right: 6px; }
.footer-contact .phone { font-size: 17px; font-weight: 700; color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 48px;
  padding-top: 22px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* Responsive */
@media (max-width: 991.98px) {
  .sidebar {
    position: relative;
    width: 100%;
    inset: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .sidebar-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    height: auto;
  }
  .brand {
    padding: 0 12px;
    border-bottom: none;
    font-size: 18px;
  }
  .brand small { display: none; }
  .sidebar-nav {
    flex-direction: row;
    margin-top: 0;
    gap: 4px;
  }
  .sidebar-nav .nav-link {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
  }
  .sidebar-nav .nav-link.active {
    border-bottom-color: var(--accent);
    border-left: none;
  }
  .sidebar-info { display: none; }
  .main-content { margin-left: 0; }
  .section-padding { padding: 64px 0; }
  .section-head h2 { font-size: 28px; }
}

@media (max-width: 767.98px) {
  .hero { padding: 70px 0 60px; }
  .hero h1 { font-size: 28px; }
  .hero .hero-desc { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .track-card { min-width: 260px; flex-basis: 260px; }
  .cta-section { padding: 40px 24px; }
  .cta-section h2 { font-size: 24px; }
  .stat-item .num { font-size: 32px; }
  .rec-box { margin-bottom: 20px; }
}

@media (max-width: 575.98px) {
  .container-custom { padding: 0 18px; }
  .booking-card { padding: 24px 20px; max-width: 100%; }
  .hero-stats { gap: 24px; }
  .hero-stats .stat { font-size: 22px; }
  .category-chip { padding: 10px 16px; font-size: 14px; }
  .news-item { flex-wrap: wrap; gap: 2px 10px; }
  .news-meta { display: none; }
  .section-head h2 { font-size: 24px; }
  .footer-inner { flex-direction: column; gap: 28px; }
  .service-card { padding: 26px 20px; }
}

/* roulang page: category1 */
:root {
            --primary: #2563EB;
            --primary-dark: #1D4ED8;
            --primary-light: #DBEAFE;
            --accent: #0EA5E9;
            --bg: #F0F4FE;
            --bg-white: #FFFFFF;
            --text: #0F172A;
            --text-light: #64748B;
            --border: #E2E8F0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(37, 99, 235, 0.08);
            --shadow-hover: 0 12px 32px rgba(37, 99, 235, 0.14);
            --spacing: 80px;
            --sidebar-w: 260px;
        }

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

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }

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

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 左侧导航 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            padding: 28px 20px;
            z-index: 1050;
            box-shadow: 2px 0 20px rgba(15, 23, 42, 0.04);
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 36px;
            padding: 0 8px;
        }

        .sidebar-brand i {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .sidebar-brand div {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }

        .sidebar-brand strong {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .02em;
        }

        .sidebar-brand span {
            font-size: .78rem;
            color: var(--text-light);
            margin-top: 2px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 12px;
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-light);
            background: transparent;
            border: none;
            transition: background .2s, color .2s, box-shadow .2s;
            width: 100%;
            text-align: left;
        }

        .sidebar-nav .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
            color: var(--text-light);
            transition: color .2s;
        }

        .sidebar-nav .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .sidebar-nav .nav-link:hover i {
            color: var(--primary);
        }

        .sidebar-nav .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
        }

        .sidebar-nav .nav-link.active i {
            color: #fff;
        }

        .sidebar-nav .nav-link:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .3);
            outline-offset: 2px;
        }

        .sidebar-bottom {
            margin-top: auto;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            font-size: .78rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        .sidebar-bottom p {
            margin: 0 0 4px;
        }

        /* ========== 主内容区 ========== */
        .main-wrapper {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            background: var(--bg);
        }

        /* ========== Hero Bento ========== */
        .hero-bento {
            padding: 80px 0 60px;
            background: var(--bg);
        }

        .bento-main {
            position: relative;
            min-height: 520px;
            border-radius: 20px;
            overflow: hidden;
            background-image: linear-gradient(130deg, rgba(15, 23, 42, .92) 0%, rgba(30, 64, 175, .82) 55%, rgba(37, 99, 235, .55) 100%), url('/assets/images/coverpic/cover-1.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            color: #fff;
            box-shadow: 0 12px 40px rgba(15, 23, 42, .18);
            border: 1px solid rgba(15, 23, 42, .08);
        }

        .bento-content {
            padding: 48px 44px 40px;
            width: 100%;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .28);
            color: #fff;
            font-size: .78rem;
            font-weight: 600;
            letter-spacing: .04em;
            padding: 6px 16px;
            border-radius: 40px;
            backdrop-filter: blur(6px);
            margin-bottom: 20px;
        }

        .bento-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.01em;
            margin: 0 0 16px;
            max-width: 520px;
        }

        .bento-desc {
            font-size: 1.05rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, .88);
            max-width: 460px;
            margin: 0 0 28px;
        }

        .bento-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: .95rem;
            padding: 13px 28px;
            border-radius: 40px;
            border: none;
            transition: transform .2s, box-shadow .2s, background .2s;
            box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
            background: var(--primary-light);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            color: #fff;
            font-weight: 600;
            font-size: .95rem;
            padding: 13px 28px;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, .5);
            transition: background .2s, transform .2s;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .26);
            color: #fff;
            transform: translateY(-2px);
        }

        .bento-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, .6);
            transition: transform .2s, box-shadow .2s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .bento-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .bento-card i {
            font-size: 1.7rem;
            color: var(--primary);
            margin-bottom: 14px;
            background: var(--primary-light);
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .bento-card strong {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .bento-card span {
            font-size: .84rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .bento-cta {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, .6);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .bento-cta .cta-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .bento-cta .cta-info i {
            font-size: 1.4rem;
            color: var(--primary);
        }

        .bento-cta .cta-info strong {
            display: block;
            font-size: .92rem;
            font-weight: 700;
            color: var(--text);
        }

        .bento-cta .cta-info span {
            font-size: .8rem;
            color: var(--text-light);
        }

        .bento-cta a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: .9rem;
            padding: 10px 22px;
            border-radius: 40px;
            transition: background .2s, transform .2s;
            white-space: nowrap;
        }

        .bento-cta a:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ========== 指标看板 ========== */
        .stats-section {
            padding: 20px 0 60px;
        }

        .stat-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, .6);
            text-align: left;
            transition: transform .2s, box-shadow .2s;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, transparent 40%, var(--primary-light) 100%);
            border-radius: 0 0 0 60px;
            opacity: .6;
        }

        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .stat-card i {
            font-size: 1.4rem;
            color: var(--primary);
            background: var(--primary-light);
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .stat-card strong {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            display: block;
        }

        .stat-card span {
            font-size: .86rem;
            color: var(--text-light);
            margin-top: 4px;
            display: block;
        }

        /* ========== 通用板块标题 ========== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: -.01em;
        }

        .section-desc {
            font-size: .96rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0;
            line-height: 1.7;
        }

        .section-head {
            margin-bottom: 40px;
        }

        /* ========== 服务矩阵 / 区域 ========== */
        .regions-section {
            padding: 60px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .region-card {
            background: var(--bg);
            border-radius: 16px;
            padding: 28px 26px;
            border: 1px solid var(--border);
            height: 100%;
            transition: transform .2s, box-shadow .2s, border-color .2s;
            position: relative;
        }

        .region-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(37, 99, 235, .2);
            background: var(--bg-white);
        }

        .region-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
        }

        .region-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text);
        }

        .region-card p {
            font-size: .88rem;
            color: var(--text-light);
            line-height: 1.65;
            margin: 0 0 14px;
        }

        .region-meta {
            font-size: .78rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* ========== 结果对比 ========== */
        .compare-section {
            padding: 60px 0;
            background: var(--bg);
        }

        .compare-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 36px 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            height: 100%;
        }

        .compare-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card h4 i {
            font-size: 1.1rem;
        }

        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-card ul li {
            position: relative;
            padding-left: 30px;
            font-size: .92rem;
            color: var(--text);
            line-height: 1.65;
            margin-bottom: 12px;
        }

        .compare-card ul li::before {
            position: absolute;
            left: 0;
            top: 2px;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: .8rem;
        }

        .compare-bad {
            border-left: 4px solid #E11D48;
        }

        .compare-bad h4 i {
            color: #E11D48;
        }

        .compare-bad ul li::before {
            content: "\f00d";
            color: #E11D48;
        }

        .compare-good {
            border-left: 4px solid var(--primary);
            background: linear-gradient(180deg, #F8FAFF 0%, #fff 100%);
        }

        .compare-good h4 i {
            color: var(--primary);
        }

        .compare-good ul li::before {
            content: "\f00c";
            color: var(--primary);
        }

        .compare-good ul li {
            font-weight: 500;
        }

        /* ========== 体验摘录 ========== */
        .testimonial-section {
            padding: 60px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }

        .testimonial-card {
            background: var(--bg);
            border-radius: 16px;
            padding: 28px 26px;
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .2s, box-shadow .2s;
        }

        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card .stars {
            color: #F59E0B;
            font-size: .8rem;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .testimonial-card blockquote {
            margin: 0 0 18px;
            font-size: .9rem;
            line-height: 1.7;
            color: var(--text);
            flex: 1;
        }

        .testimonial-card footer {
            font-size: .82rem;
            color: var(--text-light);
            font-weight: 500;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .testimonial-card footer i {
            color: var(--primary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg);
        }

        .faq-section .container-custom {
            max-width: 900px;
        }

        .faq-section .section-head {
            text-align: center;
        }

        .faq-section .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: 14px !important;
            overflow: hidden;
            margin-bottom: 16px;
            background: var(--bg-white);
            box-shadow: 0 2px 12px rgba(15, 23, 42, .04);
            transition: box-shadow .2s;
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            box-shadow: var(--shadow);
            border-color: rgba(37, 99, 235, .2);
        }

        .accordion-button {
            background: var(--bg-white);
            color: var(--text);
            font-weight: 600;
            font-size: .98rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
        }

        .accordion-body {
            padding: 6px 24px 22px;
            color: var(--text-light);
            font-size: .9rem;
            line-height: 1.75;
            background: var(--bg-white);
        }

        .accordion-button::after {
            background-size: 1rem;
            opacity: .6;
        }

        .accordion-button:not(.collapsed)::after {
            opacity: 1;
        }

        /* ========== CTA + 表单 ========== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, .92), rgba(30, 64, 175, .85)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            color: #fff;
        }

        .cta-content h2 {
            font-size: 2.1rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 16px;
        }

        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, .85);
            line-height: 1.7;
            margin: 0 0 28px;
            max-width: 420px;
        }

        .cta-features {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }

        .cta-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: .92rem;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 14px;
        }

        .cta-features li i {
            width: 28px;
            height: 28px;
            background: rgba(255, 255, 255, .16);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .75rem;
            flex-shrink: 0;
        }

        .cta-contact {
            font-size: .9rem;
            color: rgba(255, 255, 255, .8);
            line-height: 1.8;
        }

        .cta-contact i {
            margin-right: 8px;
            color: rgba(255, 255, 255, .6);
        }

        .form-card {
            background: var(--bg-white);
            border-radius: 20px;
            padding: 36px 34px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, .2);
            border: 1px solid rgba(255, 255, 255, .2);
        }

        .form-card .form-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }

        .form-card .form-sub {
            font-size: .85rem;
            color: var(--text-light);
            margin: 0 0 24px;
        }

        .form-control,
        .form-select {
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 12px 16px;
            background: #F8FAFE;
            font-size: .92rem;
            color: var(--text);
            transition: border-color .2s, box-shadow .2s, background .2s;
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
            background: #fff;
        }

        .form-label {
            font-size: .82rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .btn-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: .95rem;
            padding: 14px 32px;
            border-radius: 40px;
            border: none;
            width: 100%;
            transition: background .2s, transform .2s, box-shadow .2s;
            box-shadow: 0 4px 16px rgba(37, 99, 235, .28);
        }

        .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, .36);
            color: #fff;
        }

        .btn-submit:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .35);
            outline-offset: 2px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 60px 0 30px;
            font-size: .88rem;
        }

        .footer-inner {
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            display: flex;
            flex-direction: column;
        }

        .footer-brand small {
            font-size: .78rem;
            color: #94A3B8;
            font-weight: 400;
            margin-top: 2px;
        }

        .footer-desc {
            font-size: .83rem;
            color: #94A3B8;
            line-height: 1.65;
            max-width: 360px;
            margin: 14px 0 0;
        }

        .footer-links h5 {
            font-size: .85rem;
            font-weight: 600;
            color: #F1F5F9;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .footer-links a {
            display: block;
            color: #94A3B8;
            font-size: .84rem;
            padding: 4px 0;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact p {
            margin: 0 0 8px;
            font-size: .85rem;
            color: #94A3B8;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: .78rem;
            color: #64748B;
        }

        .footer-bottom .phone {
            color: #94A3B8;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .sidebar {
                width: 100%;
                height: auto;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: auto;
                flex-direction: row;
                align-items: center;
                padding: 10px 16px;
                border-right: none;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 2px 16px rgba(15, 23, 42, .06);
                z-index: 1050;
            }

            .sidebar-brand {
                margin-bottom: 0;
                margin-right: 16px;
                padding: 0;
                flex-shrink: 0;
            }

            .sidebar-brand i {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }

            .sidebar-brand strong {
                font-size: .98rem;
            }

            .sidebar-brand span {
                font-size: .68rem;
            }

            .sidebar-nav {
                flex-direction: row;
                gap: 4px;
                overflow-x: auto;
                flex-wrap: nowrap;
                flex: 1;
                -webkit-overflow-scrolling: touch;
            }

            .sidebar-nav .nav-link {
                padding: 9px 14px;
                font-size: .84rem;
                white-space: nowrap;
                border-radius: 20px;
                flex-shrink: 0;
            }

            .sidebar-bottom {
                display: none;
            }

            .main-wrapper {
                margin-left: 0;
                padding-top: 74px;
            }

            .hero-bento {
                padding: 48px 0 40px;
            }

            .bento-main {
                min-height: 440px;
            }

            .bento-content {
                padding: 36px 32px 32px;
            }

            .bento-content h1 {
                font-size: 2.1rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacing: 50px;
            }

            .container-custom {
                padding: 0 18px;
            }

            .hero-bento {
                padding: 36px 0 30px;
            }

            .bento-main {
                min-height: 380px;
                border-radius: 16px;
            }

            .bento-content {
                padding: 28px 24px 26px;
            }

            .bento-content h1 {
                font-size: 1.7rem;
            }

            .bento-desc {
                font-size: .92rem;
            }

            .bento-btns .btn-primary-custom,
            .bento-btns .btn-ghost {
                padding: 11px 20px;
                font-size: .88rem;
            }

            .stats-section,
            .regions-section,
            .compare-section,
            .testimonial-section,
            .faq-section,
            .cta-section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .stat-card strong {
                font-size: 1.7rem;
            }

            .stat-card {
                text-align: center;
            }

            .stat-card i {
                margin-left: auto;
                margin-right: auto;
            }

            .compare-card {
                padding: 26px 22px;
            }

            .form-card {
                padding: 28px 22px;
            }

            .cta-content h2 {
                font-size: 1.7rem;
            }

            .bento-cta {
                flex-direction: column;
                align-items: flex-start;
            }

            .bento-cta a {
                width: 100%;
                justify-content: center;
            }

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

            .sidebar-brand div span {
                display: none;
            }

            .sidebar-brand {
                margin-right: 8px;
            }

            .sidebar-nav .nav-link {
                padding: 8px 12px;
                font-size: .8rem;
            }

            .main-wrapper {
                padding-top: 64px;
            }
        }

        @media (max-width: 520px) {
            .sidebar {
                padding: 8px 12px;
            }

            .sidebar-brand i {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .sidebar-brand strong {
                font-size: .84rem;
            }

            .sidebar-nav .nav-link {
                padding: 7px 10px;
                font-size: .76rem;
                gap: 6px;
            }

            .sidebar-nav .nav-link i {
                font-size: .82rem;
            }

            .bento-content h1 {
                font-size: 1.45rem;
            }

            .bento-desc {
                font-size: .85rem;
                line-height: 1.6;
            }

            .bento-card {
                padding: 20px 18px;
            }

            .bento-card strong {
                font-size: .92rem;
            }

            .bento-card span {
                font-size: .78rem;
            }

            .region-card {
                padding: 22px 18px;
            }

            .section-title {
                font-size: 1.4rem;
            }
        }