/* roulang page: index */
/* ==================== CSS Variables ==================== */
:root {
  --c-primary: #176B87;
  --c-primary-light: #2E8CA4;
  --c-primary-dark: #0F4C5C;
  --c-accent: #5FB8C9;
  --c-gold: #CA9C6A;
  --c-bg: #F9FCFD;
  --c-bg-alt: #F1F7FA;
  --c-surface: #FFFFFF;
  --c-text-1: #10242E;
  --c-text-2: #536B77;
  --c-text-3: #8DA5B0;
  --c-border: #DFECF2;
  --shadow-card: 0 8px 30px rgba(23,107,135,0.10);
  --shadow-hover: 0 18px 44px rgba(23,107,135,0.18);
  --radius-btn: 8px;
  --radius-card: 16px;
  --radius-img: 16px;
  --radius-pill: 999px;
  --space-section: clamp(64px, 8vw, 110px);
  --fs-hero: clamp(36px, 5vw, 54px);
  --fs-h2: clamp(26px, 3vw, 36px);
  --fs-h3: 20px;
  --fs-body: 16px;
  --fs-sm: 14px;
  --fs-xs: 12px;
  --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--c-bg);
  color: var(--c-text-1);
  font-size: var(--fs-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--c-primary-light); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; outline: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ==================== Section ==================== */
.section { padding: var(--space-section) 0; }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 52px; }
.section-tag {
  display: inline-block;
  padding: 4px 18px;
  background: var(--c-bg-alt);
  color: var(--c-primary);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-head h2 { font-size: var(--fs-h2); font-weight: 800; line-height: 1.3; color: var(--c-text-1); margin-bottom: 12px; }
.section-head p { color: var(--c-text-2); font-size: 15px; line-height: 1.8; }

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  transition: all .3s ease;
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}
.btn-primary { background: var(--c-primary); color: #fff; box-shadow: 0 4px 16px rgba(23,107,135,0.25); }
.btn-primary:hover { background: var(--c-primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(23,107,135,0.30); }
.btn-primary:active { background: var(--c-primary-dark); transform: translateY(0); }
.btn-secondary { background: transparent; border-color: var(--c-primary); color: var(--c-primary); }
.btn-secondary:hover { background: rgba(23,107,135,0.05); color: var(--c-primary-dark); transform: translateY(-2px); }
.btn-secondary:active { background: rgba(23,107,135,0.10); transform: translateY(0); }
.btn-gold {
  background: var(--c-gold);
  color: #fff;
  box-shadow: 0 4px 16px rgba(202,156,106,0.35);
  position: relative;
}
.btn-gold:hover { background: #b8895a; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(202,156,106,0.40); }
.btn-gold:active { transform: translateY(0); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,0.8); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-outline-light:active { transform: translateY(0); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--c-primary);
}
.text-link i { transition: transform .3s ease; }
.text-link:hover i { transform: translateX(4px); }
.text-link:hover { color: var(--c-primary-light); }

/* ==================== Badges ==================== */
.badge {
  display: inline-block;
  padding: 4px 14px;
  background: var(--c-primary);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}
.badge-light { background: var(--c-bg-alt); color: var(--c-primary); }

/* ==================== Header ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-card); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}
.header-left { display: flex; align-items: center; gap: 28px; flex: 1; min-width: 0; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(23,107,135,0.25);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 18px; font-weight: 800; color: var(--c-text-1); }
.brand-text small { font-size: 11px; color: var(--c-text-3); letter-spacing: 1px; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 15px;
  color: var(--c-text-2);
  font-weight: 500;
  padding: 6px 0;
  position: relative;
  border-bottom: 2px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}
.nav-link:hover { color: var(--c-primary); }
.nav-link.active { color: var(--c-primary); font-weight: 600; border-bottom-color: var(--c-primary); }
.header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-toggle {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-2);
  font-size: 16px;
  transition: background .25s ease, color .25s ease;
}
.search-toggle:hover { background: var(--c-bg-alt); color: var(--c-primary); }
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-btn);
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  font-size: 20px;
  transition: background .25s ease;
}
.menu-toggle:hover { background: var(--c-bg-alt); }
.login-cta { box-shadow: 0 2px 10px rgba(23,107,135,0.20); }

/* ==================== Mobile Nav ==================== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  width: 100%;
  height: calc(100vh - 64px);
  background: #fff;
  z-index: 199;
  padding: 24px 24px 40px;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  box-shadow: var(--shadow-card);
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav-link {
  font-size: 18px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text-1);
  border-radius: 8px;
}
.mobile-nav .nav-link.active { background: var(--c-bg-alt); color: var(--c-primary); font-weight: 700; }
.mobile-nav .btn { margin-top: 20px; }

/* ==================== Hero ==================== */
.hero {
  position: relative;
  padding: clamp(50px, 8vw, 104px) 0 clamp(52px, 6vw, 84px);
  background: linear-gradient(135deg, rgba(23,107,135,0.06) 0%, rgba(95,184,201,0.08) 45%, rgba(234,246,249,0.5) 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(95,184,201,0.20) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--c-primary);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}
.hero-badge i { color: var(--c-gold); }
.hero h1 {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.22;
  color: var(--c-text-1);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 17px;
  color: var(--c-text-2);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; padding: 0; }
.hero-trust li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--c-text-2);
}
.hero-trust li i { color: var(--c-primary); }
.hero-visual { position: relative; }
.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-img);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4/3;
  background: var(--c-bg-alt);
}
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.float-card {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: rgba(255,255,255,0.96);
  border-radius: 16px;
  box-shadow: var(--shadow-hover);
  padding: 18px 20px;
  width: calc(100% - 40px);
  max-width: 360px;
  border: 1px solid var(--c-border);
  backdrop-filter: blur(8px);
  animation: floatIn .8s ease both;
}
@keyframes floatIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.float-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.float-avatar {
  width: 38px;
  height: 38px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.float-card-header > div { display: flex; flex-direction: column; line-height: 1.3; }
.float-card-header strong { font-size: 14px; color: var(--c-text-1); }
.float-card-header small { font-size: 12px; color: var(--c-text-3); }
.status-dot { margin-left: auto; color: #35C084; font-size: 10px; }
.float-card-body { display: flex; flex-wrap: wrap; gap: 10px; }
.mini-module {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--c-bg-alt);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-2);
}
.mini-module i { color: var(--c-primary); }

/* ==================== Trust Bar ==================== */
.trust-bar {
  background: var(--c-primary);
  padding: 36px 0;
}
.trust-item {
  text-align: center;
  padding: 8px 12px;
}
.trust-num {
  display: block;
  font-size: var(--fs-h2);
  font-weight: 900;
  color: var(--c-gold);
  line-height: 1.2;
  font-family: "DIN Alternate", "Roboto", var(--font-family);
}
.trust-num em { font-style: normal; font-size: 22px; margin-left: 2px; }
.trust-label {
  display: block;
  font-size: var(--fs-sm);
  color: #BDD8E3;
  margin-top: 4px;
  letter-spacing: 1px;
}

/* ==================== Service Cards ==================== */
.services { background: var(--c-bg); }
.service-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.service-icon {
  width: 52px;
  height: 52px;
  background: var(--c-bg-alt);
  color: var(--c-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  transition: background .3s ease, color .3s ease;
}
.service-card:hover .service-icon { background: var(--c-primary); color: #fff; }
.service-card h3 { font-size: var(--fs-h3); font-weight: 700; margin-bottom: 10px; color: var(--c-text-1); }
.service-card p { font-size: 14px; color: var(--c-text-2); line-height: 1.7; margin-bottom: 18px; flex-grow: 1; }

/* ==================== Featured ==================== */
.featured { background: var(--c-surface); }
.featured-alt { background: var(--c-bg-alt); }
.featured-content { padding: 20px 10px; }
.featured-content .section-tag { margin-bottom: 12px; }
.featured-content h2 { font-size: var(--fs-h2); font-weight: 800; line-height: 1.3; margin-bottom: 14px; }
.featured-content > p { color: var(--c-text-2); margin-bottom: 24px; line-height: 1.85; }
.feature-list { margin-bottom: 28px; }
.feature-list li { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 15px; color: var(--c-text-1); }
.feature-list li i { color: var(--c-primary); }
.featured-img {
  border-radius: var(--radius-img);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4/3;
  background: var(--c-bg-alt);
}
.featured-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.featured-img:hover img { transform: scale(1.02); }

/* ==================== Testimonials ==================== */
.testimonials { background: var(--c-bg-alt); overflow: hidden; }
.testimonial-viewport { max-width: 820px; margin: 0 auto 20px; overflow: hidden; position: relative; }
.testimonial-track { display: flex; transition: transform .5s ease; }
.testimonial-card {
  flex: 0 0 100%;
  background: var(--c-surface);
  border-radius: var(--radius-card);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--c-border);
  margin: 0 8px;
}
.quote-mark { color: var(--c-accent); font-size: 30px; display: block; margin-bottom: 14px; }
.testimonial-card p { font-size: 17px; color: var(--c-text-1); line-height: 1.8; margin-bottom: 20px; }
.tm-role { display: block; font-weight: 700; color: var(--c-primary); font-size: 15px; }
.tm-scene { display: block; font-size: 13px; color: var(--c-text-3); margin-top: 4px; }
.testimonial-dots { display: flex; justify-content: center; gap: 10px; }
.testimonial-dots .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-border);
  cursor: pointer;
  transition: background .3s ease, transform .3s ease;
}
.testimonial-dots .dot.active { background: var(--c-primary); transform: scale(1.3); }
.testimonial-dots .dot:hover { background: var(--c-accent); }

/* ==================== Guarantees ==================== */
.guarantees { background: var(--c-surface); }
.guarantee-item {
  padding: 18px 16px;
  height: 100%;
  border-radius: var(--radius-card);
  transition: background .3s ease;
}
.guarantee-item:hover { background: var(--c-bg-alt); }
.g-icon {
  width: 46px;
  height: 46px;
  background: var(--c-bg-alt);
  color: var(--c-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  margin-bottom: 14px;
}
.guarantee-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; color: var(--c-text-1); }
.guarantee-item p { font-size: 13px; color: var(--c-text-2); line-height: 1.6; }

/* ==================== News Section ==================== */
.news-section { background: var(--c-bg); }
.feature-news-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: block;
  height: 100%;
  transition: transform .35s ease, box-shadow .35s ease;
}
.feature-news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--c-bg-alt); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.feature-news-card:hover .news-thumb img { transform: scale(1.03); }
.news-card-body { padding: 22px 24px; }
.news-card-body h3 { font-size: 19px; font-weight: 700; margin: 10px 0 8px; color: var(--c-text-1); line-height: 1.5; }
.news-card-body p { font-size: 14px; color: var(--c-text-2); line-height: 1.7; margin-bottom: 14px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.news-date { font-size: 13px; color: var(--c-text-3); display: flex; align-items: center; gap: 4px; }
.news-list { height: 100%; }
.news-item {
  padding: 18px 4px;
  border-bottom: 1px dashed var(--c-border);
  transition: background .25s ease;
  border-radius: 8px;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: #F6FBFC; }
.news-item-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.news-title { font-size: 15px; font-weight: 600; color: var(--c-text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .25s ease; }
.news-title:hover { color: var(--c-primary); }
.news-excerpt { font-size: 13px; color: var(--c-text-3); line-height: 1.6; margin-bottom: 6px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state i { font-size: 38px; color: var(--c-accent); margin-bottom: 12px; }
.empty-state p { color: var(--c-text-2); font-size: 15px; }

/* ==================== FAQ ==================== */
.faq-section { background: var(--c-surface); }
.faq-section h2 { font-size: var(--fs-h2); font-weight: 800; margin-bottom: 14px; }
.faq-section > .grid-container > .grid-x > .cell > p { color: var(--c-text-2); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item.active { border-color: var(--c-accent); box-shadow: 0 4px 18px rgba(23,107,135,0.08); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text-1);
  text-align: left;
  background: transparent;
  transition: background .25s ease;
}
.faq-question:hover { background: var(--c-bg-alt); }
.faq-question i { color: var(--c-primary); font-size: 16px; flex-shrink: 0; transition: transform .3s ease, color .3s ease; }
.faq-item.active .faq-question i { transform: rotate(45deg); color: var(--c-accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 22px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 22px 18px;
}
.faq-answer p { font-size: 15px; color: var(--c-text-2); line-height: 1.75; }

/* ==================== CTA ==================== */
.cta-banner {
  background: linear-gradient(135deg, var(--c-primary-dark) 0%, var(--c-primary) 55%, var(--c-primary-light) 100%);
  padding: clamp(40px, 6vw, 72px) 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-text h2 { color: #fff; font-size: var(--fs-h2); font-weight: 800; margin-bottom: 8px; }
.cta-text p { color: rgba(255,255,255,0.85); font-size: 16px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ==================== Footer ==================== */
.site-footer {
  background: #0F3B47;
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
  font-size: 14px;
}
.site-footer .grid-x { margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-logo { width: 36px; height: 36px; font-size: 16px; }
.footer-brand strong { font-size: 18px; font-weight: 800; color: #fff; }
.site-footer p { line-height: 1.8; }
.site-footer h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul a { color: #BDD8E3; font-size: 14px; transition: color .25s ease, padding-left .25s ease; }
.site-footer ul a:hover { color: #fff; padding-left: 4px; }
.contact-list li { display: flex; align-items: center; gap: 10px; color: #BDD8E3; }
.contact-list li i { width: 18px; text-align: center; color: var(--c-accent); }
.footer-bottom {
  border-top: 1px solid #28545F;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #9CBCC7;
}
.footer-bottom p { margin: 0; }

/* ==================== Search Overlay ==================== */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,59,71,0.55);
  backdrop-filter: blur(6px);
  z-index: 300;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 120px 24px 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
}
.search-overlay.active { opacity: 1; visibility: visible; }
.search-dialog {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 560px;
  display: flex;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow-hover);
  position: relative;
}
.search-dialog input {
  flex: 1;
  height: 46px;
  padding: 0 16px;
  border: 1px solid #C9DDE7;
  border-radius: 8px;
  background: #F7FBFD;
  font-size: 15px;
  color: var(--c-text-1);
  transition: border-color .3s ease, box-shadow .3s ease;
}
.search-dialog input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(23,107,135,0.12); }
.search-close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: var(--shadow-card);
  transition: background .25s ease, transform .25s ease;
}
.search-close:hover { background: var(--c-primary-light); transform: rotate(90deg); }

/* ==================== Reveal Animation ==================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  .main-nav { gap: 16px; }
  .header-left { gap: 16px; }
  .featured-content { padding: 0 10px 16px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .trust-item { padding: 10px 6px; }
}

@media (max-width: 840px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-left { flex: 0 1 auto; }
  .hero { padding-top: 40px; }
  .hero-sub { font-size: 16px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-visual { margin-top: 32px; }
  .trust-num { font-size: 32px; }
  .trust-label { font-size: 12px; }
  .testimonial-card { padding: 28px 20px; }
  .testimonial-card p { font-size: 16px; }
}

@media (max-width: 640px) {
  .header-inner { height: 56px; }
  .brand-text strong { font-size: 16px; }
  .brand-logo { width: 34px; height: 34px; font-size: 15px; }
  .search-toggle { display: none; }
  .login-cta { padding: 8px 14px; font-size: 13px; }
  .mobile-nav { top: 56px; height: calc(100vh - 56px); }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { width: 100%; }
  .trust-num { font-size: 28px; }
  .trust-num em { font-size: 18px; }
  .float-card { padding: 14px 16px; max-width: 100%; }
  .float-card-body .mini-module { padding: 6px 10px; font-size: 12px; }
  .section-tag { font-size: 11px; }
  .section-head { margin-bottom: 32px; }
  .testimonial-card { padding: 22px 16px; }
  .testimonial-card p { font-size: 15px; }
  .guarantee-item { padding: 14px 12px; text-align: center; }
  .g-icon { margin-left: auto; margin-right: auto; }
  .news-item-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .news-title { white-space: normal; overflow: visible; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}

/* ==================== Utility ==================== */
.align-middle { align-items: center; }
.large-order-1 { order: 1; }
.large-order-2 { order: 2; }
@media (min-width: 841px) {
  .large-order-1 { order: 1; }
  .large-order-2 { order: 2; }
}

.reveal-visible { opacity: 1 !important; transform: translateY(0) !important; }

/* roulang page: category1 */
:root {
  --c-primary: #176B87;
  --c-primary-light: #2E8CA4;
  --c-primary-dark: #0F4C5C;
  --c-accent: #5FB8C9;
  --c-gold: #CA9C6A;
  --c-bg: #F9FCFD;
  --c-bg-alt: #F1F7FA;
  --c-surface: #FFFFFF;
  --c-text-1: #10242E;
  --c-text-2: #536B77;
  --c-text-3: #8DA5B0;
  --c-border: #DFECF2;
  --c-danger: #C9353D;
  --c-footer-bg: #0F3B47;
  --shadow-card: 0 8px 30px rgba(23,107,135,0.10);
  --shadow-hover: 0 18px 44px rgba(23,107,135,0.18);
  --radius-card: 16px;
  --radius-btn: 8px;
  --space-section: clamp(64px, 8vw, 110px);
  --fs-hero: clamp(36px, 5vw, 54px);
  --fs-h2: clamp(26px, 3vw, 36px);
  --fs-h3: 20px;
  --fs-body: 16px;
  --fs-sm: 14px;
  --fs-xs: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--c-text-1);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover, a:focus {
  color: var(--c-primary-dark);
  outline: none;
}

ul, ol {
  padding: 0;
  margin: 0;
  list-style: none;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all 0.3s ease;
  min-height: 44px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(23,107,135,0.25);
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--c-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(23,107,135,0.32);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

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

.btn-outline:hover, .btn-outline:focus {
  background: rgba(23,107,135,0.06);
  border-color: var(--c-primary-light);
  color: var(--c-primary-dark);
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--c-primary-dark);
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}

.btn-white:hover, .btn-white:focus {
  background: var(--c-accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.85);
  color: #fff;
}

.btn-outline-light:hover, .btn-outline-light:focus {
  background: rgba(255,255,255,0.14);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--c-primary);
}

.text-link:hover {
  color: var(--c-primary-dark);
}

.text-link .fa-arrow-right {
  transition: transform 0.3s ease;
}

.text-link:hover .fa-arrow-right {
  transform: translateX(4px);
}

/* ===== Header / Navigation ===== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow 0.3s ease;
}

.main-header.scrolled {
  box-shadow: var(--shadow-card);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--c-primary);
  color: #fff;
  border-radius: 8px;
  font-size: 18px;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--c-text-1);
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.brand-sub {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--c-text-3);
  line-height: 1;
  margin-top: 2px;
  letter-spacing: 0.3px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 15px;
  font-weight: 400;
  color: var(--c-text-2);
  position: relative;
  padding: 8px 2px;
  transition: color 0.3s ease;
}

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

.nav-link.active {
  font-weight: 600;
  color: var(--c-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
}

.nav-link:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header-actions .btn {
  padding: 10px 20px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  margin: 0 auto;
  transition: all 0.3s ease;
}

.menu-toggle:hover {
  background: var(--c-bg-alt);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 160px 0 88px;
  background: linear-gradient(135deg, #EAF6F9 0%, var(--c-bg) 60%, #F9FCFD 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(95,184,201,0.18) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(23,107,135,0.08);
  border: 1px solid rgba(23,107,135,0.2);
  color: var(--c-primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero-badge i {
  color: var(--c-primary);
}

.hero h1 {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text-1);
  margin: 0 0 20px;
  letter-spacing: 1px;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text-2);
  max-width: 540px;
  margin: 0 0 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--c-text-2);
  font-weight: 500;
}

.hero-trust i {
  color: var(--c-primary-light);
  font-size: 16px;
}

.hero-visual {
  position: relative;
  border-radius: 20px;
  overflow: visible;
}

.hero-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hover);
}

.hero-float-card {
  position: absolute;
  bottom: 28px;
  left: -20px;
  background: var(--c-surface);
  border-radius: 14px;
  box-shadow: var(--shadow-hover);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 250px;
  border: 1px solid var(--c-border);
}

.hero-float-card i {
  font-size: 28px;
  color: var(--c-primary-light);
}

.hero-float-card strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text-1);
  line-height: 1.3;
}

.hero-float-card span {
  font-size: 12px;
  color: var(--c-text-3);
}

/* ===== Section header ===== */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-primary-light);
  background: rgba(95,184,201,0.1);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  color: var(--c-text-1);
  line-height: 1.25;
  margin: 0 0 12px;
}

.section-header p {
  font-size: 16px;
  color: var(--c-text-2);
  line-height: 1.7;
  margin: 0;
}

/* ===== Steps Section ===== */
.steps-section {
  padding: var(--space-section) 0;
  background: var(--c-surface);
}

.step-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 36px 24px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  height: 100%;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.step-num {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 32px;
  font-weight: 900;
  color: rgba(23,107,135,0.08);
  font-family: "DIN Alternate", "Roboto", "Inter", sans-serif;
  line-height: 1;
}

.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--c-bg-alt);
  border-radius: 14px;
  color: var(--c-primary);
  font-size: 22px;
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text-1);
  margin: 0 0 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.65;
  margin: 0;
}

/* ===== Methods Section ===== */
.methods-section {
  padding: var(--space-section) 0;
  background: var(--c-bg-alt);
}

.method-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  overflow: hidden;
}

.method-card:hover {
  box-shadow: var(--shadow-hover);
}

.method-main {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.method-main .method-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 0;
}

.method-main .method-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.method-main:hover .method-img img {
  transform: scale(1.03);
}

.method-content {
  padding: 28px 28px 32px;
}

.method-badge {
  display: inline-block;
  background: var(--c-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.method-content h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-text-1);
  margin: 0 0 10px;
}

.method-content p {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  margin: 0 0 18px;
}

.method-mini {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.method-mini:last-child {
  margin-bottom: 0;
}

.method-mini-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--c-bg-alt);
  border-radius: 12px;
  color: var(--c-primary);
  font-size: 20px;
  flex-shrink: 0;
}

.method-mini-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text-1);
  margin: 0 0 6px;
}

.method-mini-content p {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.6;
  margin: 0;
}

/* ===== Security Section ===== */
.security-section {
  padding: var(--space-section) 0;
  background: var(--c-surface);
}

.security-img {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 3;
}

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

.security-section h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  color: var(--c-text-1);
  line-height: 1.25;
  margin: 12px 0 16px;
}

.security-section > p {
  font-size: 15px;
  color: var(--c-text-2);
  line-height: 1.75;
  margin: 0 0 24px;
}

.security-list {
  margin-bottom: 28px;
}

.security-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-border);
  font-size: 15px;
  color: var(--c-text-2);
}

.security-list li:last-child {
  border-bottom: none;
}

.security-list i {
  color: var(--c-primary-light);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: var(--space-section) 0;
  background: var(--c-bg-alt);
}

.faq-section .accordion {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--c-border);
  border-radius: 12px;
  margin-bottom: 18px;
  background: var(--c-surface);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

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

.accordion-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text-1);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease;
}

.accordion-title::before {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--c-primary);
  transition: transform 0.3s ease;
}

.accordion-title:hover, .accordion-title:focus {
  color: var(--c-primary);
  outline: none;
}

.accordion-item.is-active .accordion-title {
  border-bottom-color: var(--c-border);
}

.accordion-item.is-active .accordion-title::before {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 20px 24px;
  font-size: 15px;
  color: var(--c-text-2);
  line-height: 1.75;
  background: var(--c-surface);
}

.accordion-content p {
  margin: 0;
}

/* ===== CTA Banner ===== */
.cta-banner {
  padding: var(--space-section) 0;
  background: linear-gradient(rgba(15, 76, 92, 0.94), rgba(15, 76, 92, 0.94)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
}

.cta-inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 14px;
  color: #fff;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin: 0 0 28px;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--c-footer-bg);
  color: #BDD8E3;
  padding: 64px 0 0;
  font-size: 14px;
}

.site-footer .grid-container {
  max-width: 1200px;
}

.site-footer .cell {
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand .brand-logo {
  background: rgba(255,255,255,0.12);
  color: var(--c-accent);
}

.footer-brand strong {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.footer-brand p {
  color: #BDD8E3;
}

.site-footer h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.site-footer ul a {
  color: #BDD8E3;
  font-size: 14px;
  transition: all 0.3s ease;
  display: inline-block;
}

.site-footer ul a:hover {
  color: #fff;
  transform: translateX(2px);
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #BDD8E3;
  font-size: 14px;
}

.contact-list i {
  color: var(--c-accent);
  font-size: 14px;
  width: 18px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid #28545F;
  padding: 20px 0;
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #8DA5B0;
}

.footer-bottom p {
  margin: 0;
}

/* ===== Responsive ===== */
@media (min-width: 1025px) {
  .main-nav {
    display: flex !important;
  }
}

@media (max-width: 1024px) {
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--c-surface);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 24px 24px;
    box-shadow: var(--shadow-hover);
    border-bottom: 1px solid var(--c-border);
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
  }

  .main-nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    display: block;
    width: 100%;
    font-size: 17px;
    padding: 14px 8px;
    border-bottom: 1px solid var(--c-border);
    color: var(--c-text-2);
  }

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

  .nav-link.active {
    background: rgba(23,107,135,0.06);
    border-radius: 8px;
    color: var(--c-primary);
    padding-left: 12px;
  }

  .nav-link.active::after {
    display: none;
  }

  .hero {
    padding: 140px 0 60px;
  }

  .hero-float-card {
    left: 16px;
    bottom: 16px;
  }

  .method-mini {
    margin-bottom: 20px;
  }
}

@media (max-width: 640px) {
  :root {
    --space-section: 56px;
  }

  .header-inner {
    gap: 12px;
  }

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

  .brand-sub {
    display: none;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    padding: 120px 0 48px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 5px 12px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-trust {
    gap: 16px;
  }

  .hero-float-card {
    position: static;
    margin-top: 16px;
    max-width: 100%;
  }

  .step-card {
    margin-bottom: 20px;
  }

  .method-main .method-content {
    padding: 20px;
  }

  .method-mini {
    flex-direction: column;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

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

@media (min-width: 641px) and (max-width: 1024px) {
  .step-card {
    margin-bottom: 20px;
  }
}

/* roulang page: article */
:root {
            --c-primary: #176B87;
            --c-primary-light: #2E8CA4;
            --c-primary-dark: #0F4C5C;
            --c-accent: #5FB8C9;
            --c-gold: #CA9C6A;
            --c-bg: #F9FCFD;
            --c-bg-alt: #F1F7FA;
            --c-surface: #FFFFFF;
            --c-text-1: #10242E;
            --c-text-2: #536B77;
            --c-text-3: #8DA5B0;
            --c-border: #DFECF2;
            --c-footer-bg: #0F3B47;
            --shadow-card: 0 8px 30px rgba(23,107,135,0.10);
            --shadow-hover: 0 18px 44px rgba(23,107,135,0.18);
            --radius-btn: 8px;
            --radius-card: 16px;
            --radius-tag: 999px;
            --fs-hero: clamp(36px, 5vw, 54px);
            --fs-h2: clamp(26px, 3vw, 36px);
            --fs-h3: 20px;
            --fs-body: 16px;
            --fs-sm: 14px;
            --fs-xs: 12px;
            --space-section: clamp(64px, 8vw, 110px);
            --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "DIN Alternate", "Roboto", "Inter", "Helvetica Neue", Arial, sans-serif;
        }

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

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

        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            line-height: 1.75;
            color: var(--c-text-1);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Foundation Override ===== */
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .cell {
            margin-bottom: 24px;
        }

        .grid-x,
        .grid-margin-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .grid-x .cell,
        .grid-margin-x .cell {
            padding-left: 12px;
            padding-right: 12px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: var(--fs-sm);
            font-weight: 600;
            line-height: 1;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all .3s ease;
            letter-spacing: .02em;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(23,107,135,0.25);
        }

        .btn-primary:hover {
            background: var(--c-accent);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(23,107,135,0.30);
            color: #fff;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--c-accent);
            outline-offset: 2px;
            background: var(--c-primary-dark);
        }

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

        .btn-outline:hover {
            background: rgba(23,107,135,0.06);
            color: var(--c-primary-dark);
            border-color: var(--c-primary-dark);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255,255,255,0.85);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border-color: #fff;
        }

        .btn-block {
            width: 100%;
            display: flex;
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: var(--fs-sm);
            min-height: 40px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 15px;
            min-height: 48px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--c-border);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-card);
            background: #fff;
        }

        .header-inner {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            min-width: 0;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 12px rgba(23,107,135,0.25);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 17px;
            font-weight: 800;
            color: var(--c-text-1);
            letter-spacing: .02em;
        }

        .brand-text em {
            font-style: normal;
            font-size: var(--fs-xs);
            color: var(--c-text-3);
            margin-top: 2px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav .nav-link {
            font-size: 15px;
            font-weight: 400;
            color: var(--c-text-2);
            padding: 4px 2px;
            position: relative;
            transition: color .25s ease;
        }

        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--c-primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }

        .main-nav .nav-link:hover {
            color: var(--c-primary);
        }

        .main-nav .nav-link:hover::after {
            transform: scaleX(1);
        }

        .main-nav .nav-link.active {
            color: var(--c-primary);
            font-weight: 600;
        }

        .main-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .search-toggle,
        .nav-toggle {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            color: var(--c-text-2);
            cursor: pointer;
            font-size: 16px;
            transition: all .25s ease;
        }

        .search-toggle:hover,
        .nav-toggle:hover {
            background: var(--c-bg-alt);
            color: var(--c-primary);
        }

        .nav-toggle {
            display: none;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--c-bg-alt);
            border-bottom: 1px solid var(--c-border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: var(--fs-sm);
            color: var(--c-text-3);
            gap: 6px;
        }

        .breadcrumb a {
            color: var(--c-text-2);
            transition: color .25s;
        }

        .breadcrumb a:hover {
            color: var(--c-primary);
        }

        .breadcrumb i {
            font-size: 12px;
            color: var(--c-text-3);
        }

        .breadcrumb .current {
            color: var(--c-primary);
            font-weight: 500;
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
        }

        /* ===== Article Section ===== */
        .article-section {
            padding: 48px 0 80px;
        }

        .article-main .cell {
            margin-bottom: 32px;
        }

        .article-main .large-8 {
            padding-right: 20px;
        }

        .article-card {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px;
            margin-bottom: 32px;
        }

        .article-header {
            margin-bottom: 24px;
        }

        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(23,107,135,0.10);
            color: var(--c-primary);
            font-size: var(--fs-xs);
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 14px;
            letter-spacing: .03em;
        }

        .article-header h1 {
            font-size: clamp(26px, 3.5vw, 36px);
            line-height: 1.3;
            font-weight: 800;
            color: var(--c-text-1);
            margin-bottom: 18px;
            max-width: 100%;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-top: 16px;
            border-top: 1px dashed var(--c-border);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: var(--fs-sm);
            color: var(--c-text-3);
        }

        .article-meta i {
            color: var(--c-accent);
            font-size: 14px;
        }

        .article-banner {
            border-radius: var(--radius-card);
            overflow: hidden;
            margin-bottom: 28px;
            aspect-ratio: 16/9;
            background: var(--c-bg-alt);
            position: relative;
        }

        .article-banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(15,60,75,0.15) 100%);
            pointer-events: none;
        }

        /* ===== Article Content ===== */
        .article-content {
            max-width: 680px;
            font-size: 16px;
            line-height: 1.85;
            color: var(--c-text-1);
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-text-1);
            margin: 36px 0 16px;
            line-height: 1.35;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--c-text-1);
            margin: 28px 0 12px;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--c-text-1);
            margin: 22px 0 10px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

        .article-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            line-height: 1.75;
        }

        .article-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
            line-height: 1.75;
        }

        .article-content li::marker {
            color: var(--c-primary);
        }

        .article-content blockquote {
            border-left: 4px solid var(--c-accent);
            background: var(--c-bg-alt);
            padding: 20px 24px;
            margin: 28px 0;
            border-radius: 0 12px 12px 0;
            color: var(--c-text-2);
            font-size: 15px;
            line-height: 1.75;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content a {
            color: var(--c-primary);
            border-bottom: 1px solid rgba(23,107,135,0.3);
            transition: all .25s;
        }

        .article-content a:hover {
            color: var(--c-primary-dark);
            border-bottom-color: var(--c-primary-dark);
        }

        .article-content img {
            border-radius: 12px;
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }

        .article-content figure {
            margin: 24px 0;
        }

        .article-content figure img {
            margin: 0 0 10px;
        }

        .article-content figcaption {
            font-size: var(--fs-sm);
            color: var(--c-text-3);
            text-align: center;
        }

        .article-content table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--c-border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-content table th {
            background: var(--c-bg-alt);
            color: var(--c-text-1);
            font-weight: 600;
        }

        .article-content table tr:nth-child(even) {
            background: #FBFEFF;
        }

        .article-content code {
            background: var(--c-bg-alt);
            border-radius: 4px;
            padding: 2px 8px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 14px;
            color: var(--c-primary-dark);
        }

        .article-content pre {
            background: #0F2B35;
            color: #E4F5FA;
            padding: 20px 24px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 28px 0;
            font-size: 14px;
            line-height: 1.7;
        }

        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-content hr {
            border: none;
            border-top: 1px dashed var(--c-border);
            margin: 40px 0;
        }

        /* ===== Article Tags ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 24px 0;
            border-top: 1px dashed var(--c-border);
            border-bottom: 1px dashed var(--c-border);
            margin: 32px 0 24px;
        }

        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--c-bg-alt);
            color: var(--c-text-2);
            font-size: var(--fs-xs);
            font-weight: 500;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            transition: all .25s;
            border: 1px solid transparent;
        }

        .article-tags .tag:hover {
            background: rgba(23,107,135,0.08);
            color: var(--c-primary);
            border-color: var(--c-accent);
        }

        .article-tags .tag i {
            font-size: 11px;
        }

        /* ===== Article Pager ===== */
        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin: 24px 0 8px;
        }

        .pager-item {
            background: var(--c-bg-alt);
            border: 1px solid var(--c-border);
            border-radius: 12px;
            padding: 16px 20px;
            transition: all .3s ease;
            min-height: 72px;
        }

        .pager-item:hover {
            border-color: var(--c-accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
            background: var(--c-surface);
        }

        .pager-label {
            display: block;
            font-size: var(--fs-xs);
            color: var(--c-text-3);
            margin-bottom: 4px;
        }

        .pager-title {
            font-size: var(--fs-sm);
            font-weight: 500;
            color: var(--c-text-1);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pager-item:hover .pager-title {
            color: var(--c-primary);
        }

        /* ===== Related Posts ===== */
        .related-posts {
            margin-top: 40px;
        }

        .related-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(23,107,135,0.08);
            color: var(--c-primary);
            font-size: var(--fs-xs);
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            letter-spacing: .04em;
        }

        .related-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-text-1);
            line-height: 1.3;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: var(--c-accent);
        }

        .related-cover {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
            background: var(--c-bg-alt);
        }

        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .related-card:hover .related-cover img {
            transform: scale(1.04);
        }

        .related-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text-1);
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .25s;
        }

        .related-card:hover .related-body h3 {
            color: var(--c-primary);
        }

        .related-body p {
            font-size: var(--fs-sm);
            color: var(--c-text-2);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: var(--fs-xs);
            color: var(--c-text-3);
            padding-top: 12px;
            border-top: 1px dashed var(--c-border);
        }

        .related-bottom .cat-label {
            color: var(--c-primary);
            font-weight: 500;
        }

        .related-bottom .date-label {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            position: sticky;
            top: 84px;
        }

        .sidebar-widget {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-widget h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text-1);
            padding-bottom: 14px;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--c-bg-alt);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget h3::before {
            content: "";
            width: 4px;
            height: 18px;
            background: var(--c-primary);
            border-radius: 2px;
        }

        .sidebar-cats li {
            margin-bottom: 2px;
        }

        .sidebar-cats a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 10px;
            font-size: 15px;
            color: var(--c-text-2);
            background: transparent;
            transition: all .25s;
        }

        .sidebar-cats a i {
            font-size: 12px;
            color: var(--c-accent);
            transition: transform .25s;
        }

        .sidebar-cats a:hover {
            background: var(--c-bg-alt);
            color: var(--c-primary);
            padding-left: 16px;
        }

        .sidebar-cats a:hover i {
            transform: translateX(3px);
        }

        .sidebar-cats .current {
            background: rgba(23,107,135,0.06);
            color: var(--c-primary);
            font-weight: 500;
        }

        .hot-list {
            counter-reset: hot;
        }

        .hot-list li {
            counter-increment: hot;
            border-bottom: 1px dashed var(--c-border);
        }

        .hot-list li:last-child {
            border-bottom: none;
        }

        .hot-list a {
            display: flex;
            align-items: baseline;
            gap: 12px;
            padding: 12px 0;
            font-size: 14px;
            color: var(--c-text-2);
            transition: all .25s;
            line-height: 1.5;
        }

        .hot-list a::before {
            content: counter(hot, decimal-leading-zero);
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 800;
            color: var(--c-accent);
            flex-shrink: 0;
            min-width: 22px;
        }

        .hot-list a:hover {
            color: var(--c-primary);
            padding-left: 4px;
        }

        .sidebar-cta {
            background: linear-gradient(145deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            color: #fff;
            box-shadow: 0 12px 32px rgba(23,107,135,0.28);
            position: relative;
            overflow: hidden;
        }

        .sidebar-cta::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(95,184,201,0.2);
        }

        .sidebar-cta::after {
            content: "";
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(202,156,106,0.12);
        }

        .sidebar-cta > * {
            position: relative;
            z-index: 1;
        }

        .cta-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255,255,255,0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 14px;
        }

        .sidebar-cta h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            border-bottom: none;
            justify-content: center;
        }

        .sidebar-cta h3::before {
            display: none;
        }

        .sidebar-cta p {
            font-size: var(--fs-sm);
            color: rgba(255,255,255,0.75);
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .sidebar-cta .btn {
            background: #fff;
            color: var(--c-primary);
            box-shadow: 0 4px 16px rgba(0,0,0,0.15);
        }

        .sidebar-cta .btn:hover {
            background: var(--c-gold);
            color: #fff;
        }

        /* ===== Empty State ===== */
        .not-found {
            text-align: center;
            padding: 80px 40px;
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 32px;
        }

        .not-found i {
            font-size: 56px;
            color: var(--c-accent);
            margin-bottom: 20px;
            display: inline-block;
        }

        .not-found h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--c-text-1);
            margin-bottom: 10px;
        }

        .not-found p {
            font-size: 15px;
            color: var(--c-text-2);
            margin-bottom: 24px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--c-footer-bg);
            color: #A3C4CE;
            font-size: 14px;
            padding: 60px 0 0;
        }

        .site-footer .grid-container {
            max-width: 1200px;
        }

        .site-footer .cell {
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--c-accent), var(--c-primary-light));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.2);
        }

        .footer-brand strong {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .02em;
        }

        .site-footer p {
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 12px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

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

        .site-footer ul a {
            color: #A3C4CE;
            transition: all .25s;
            display: inline-block;
        }

        .site-footer ul a:hover {
            color: #fff;
            transform: translateX(-2px);
        }

        .contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #A3C4CE;
        }

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

        .footer-bottom {
            border-top: 1px solid #28545F;
            padding: 20px 0;
            margin-top: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #7FA3AE;
        }

        .footer-bottom p {
            margin-bottom: 0;
            max-width: none;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }

            .header-left {
                gap: 20px;
            }

            .article-main .large-8 {
                padding-right: 12px;
            }

            .related-grid {
                gap: 16px;
            }

            .related-body {
                padding: 16px;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--c-surface);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px 24px;
                box-shadow: 0 24px 48px rgba(15,76,92,0.18);
                border-bottom: 1px solid var(--c-border);
                transform: translateY(-120%);
                transition: transform .35s ease;
                z-index: 99;
                display: flex;
                opacity: 0;
                pointer-events: none;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .main-nav .nav-link {
                font-size: 17px;
                padding: 14px 16px;
                border-radius: 10px;
                color: var(--c-text-1);
            }

            .main-nav .nav-link::after {
                display: none;
            }

            .main-nav .nav-link.active,
            .main-nav .nav-link:hover {
                background: var(--c-bg-alt);
                color: var(--c-primary);
            }

            .article-section {
                padding: 32px 0 60px;
            }

            .article-card {
                padding: 24px 20px;
            }

            .article-pager {
                grid-template-columns: 1fr;
            }

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

            .article-sidebar {
                position: static;
                margin-top: 12px;
            }

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

        @media screen and (max-width: 520px) {
            .header-inner {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-text em {
                display: none;
            }

            .brand-text strong {
                font-size: 16px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .header-right .btn-sm {
                padding: 8px 14px;
                font-size: 13px;
            }

            .search-toggle {
                display: none;
            }

            .breadcrumb-wrap {
                padding: 12px 0;
            }

            .article-header h1 {
                font-size: 24px;
            }

            .article-meta {
                gap: 10px 16px;
            }

            .article-meta span {
                font-size: 13px;
            }

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

            .article-card {
                padding: 20px 16px;
            }

            .sidebar-widget {
                padding: 20px 16px;
            }

            .not-found {
                padding: 60px 24px;
            }

            .site-footer {
                padding-top: 44px;
            }
        }

/* roulang page: category2 */
:root {
  --c-primary: #176B87;
  --c-primary-light: #2E8CA4;
  --c-primary-dark: #0F4C5C;
  --c-accent: #5FB8C9;
  --c-gold: #CA9C6A;
  --c-bg: #F9FCFD;
  --c-bg-alt: #F1F7FA;
  --c-surface: #FFFFFF;
  --c-text-1: #10242E;
  --c-text-2: #536B77;
  --c-text-3: #8DA5B0;
  --c-border: #DFECF2;
  --c-footer-bg: #0F3B47;
  --c-footer-text: #BDD8E3;
  --shadow-card: 0 8px 30px rgba(23,107,135,0.10);
  --shadow-hover: 0 18px 44px rgba(23,107,135,0.18);
  --shadow-btn: 0 6px 18px rgba(23,107,135,0.25);
  --radius-card: 16px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --space-section: clamp(64px, 8vw, 110px);
  --fs-hero: clamp(36px, 5vw, 54px);
  --fs-h2: clamp(26px, 3vw, 36px);
  --fs-h3: 20px;
  --fs-body: 16px;
  --fs-sm: 14px;
  --fs-xs: 12px;
  --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-num: "DIN Alternate", "Roboto", "Inter", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--c-text-1);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--c-primary-light); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; position: relative; }
.section-alt { background: var(--c-bg-alt); }

/* ===== Header/Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-card); }
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.header-left { display: flex; align-items: center; gap: 44px; }
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-primary-dark);
  font-weight: 800;
  font-size: 20px;
  white-space: nowrap;
}
.brand-logo i {
  font-size: 22px;
  color: var(--c-primary);
  background: rgba(23,107,135,0.10);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-logo .sub-label {
  display: block;
  font-size: 10px;
  font-weight: 500;
  color: var(--c-text-3);
  letter-spacing: 1px;
  line-height: 1.2;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav .nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 400;
  color: var(--c-text-1);
  padding: 20px 2px 18px;
  transition: color 0.25s ease;
}
.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.main-nav .nav-link:hover { color: var(--c-primary); }
.main-nav .nav-link:hover::after { transform: scaleX(0.6); }
.main-nav .nav-link.active { color: var(--c-primary); font-weight: 600; }
.main-nav .nav-link.active::after { transform: scaleX(1); }
.header-right { display: flex; align-items: center; gap: 16px; }
.search-trigger {
  width: 40px;
  height: 40px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-btn);
  background: var(--c-surface);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}
.search-trigger:hover {
  background: var(--c-bg-alt);
  border-color: var(--c-accent);
  transform: translateY(-2px);
}
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 20px;
  background: var(--c-primary);
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 600;
  border: 1px solid var(--c-primary);
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(23,107,135,0.22);
}
.btn-login:hover {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(23,107,135,0.30);
}
.btn-login:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-btn);
  background: var(--c-surface);
  color: var(--c-primary);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--c-surface);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu .mobile-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu .mobile-nav a {
  display: block;
  padding: 16px;
  font-size: 18px;
  font-weight: 500;
  color: var(--c-text-1);
  border-bottom: 1px solid var(--c-border);
  transition: all 0.2s ease;
}
.mobile-menu .mobile-nav a:hover { background: var(--c-bg-alt); color: var(--c-primary); }
.mobile-menu .mobile-nav a.active { background: var(--c-bg-alt); color: var(--c-primary); font-weight: 700; border-left: 3px solid var(--c-primary); }

/* ===== Hero ===== */
.cat-hero {
  position: relative;
  padding: clamp(48px, 6vw, 90px) 0 clamp(48px, 5vw, 72px);
  background: linear-gradient(120deg, #EAF6F9 0%, #F1F7FA 50%, #EAF6F9 100%);
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(95,184,201,0.12);
}
.cat-hero::after {
  content: "";
  position: absolute;
  left: 60%;
  bottom: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(23,107,135,0.08);
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  color: var(--c-text-3);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.hero-breadcrumb a { color: var(--c-text-3); }
.hero-breadcrumb a:hover { color: var(--c-primary); }
.hero-breadcrumb i { font-size: 11px; color: var(--c-accent); }
.cat-hero .grid-x { align-items: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(23,107,135,0.08);
  border: 1px solid rgba(23,107,135,0.18);
  color: var(--c-primary-dark);
  border-radius: var(--radius-tag);
  padding: 6px 16px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.cat-hero h1 {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text-1);
  margin-bottom: 16px;
}
.cat-hero h1 span { color: var(--c-primary); }
.cat-hero .lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-text-2);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 28px;
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-btn);
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}
.btn:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.btn-primary { background: var(--c-primary); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover {
  background: var(--c-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-secondary { background: transparent; color: var(--c-primary); border: 1px solid var(--c-primary); }
.btn-secondary:hover { background: rgba(23,107,135,0.06); color: var(--c-primary-dark); transform: translateY(-2px); }
.hero-media { position: relative; }
.hero-media .hero-img-wrap {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  aspect-ratio: 4/3;
  background: var(--c-bg-alt);
}
.hero-media .hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-float-card {
  position: absolute;
  bottom: -18px;
  left: -20px;
  background: var(--c-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hover);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 220px;
  border: 1px solid var(--c-border);
}
.hero-float-card .float-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(23,107,135,0.10);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.hero-float-card .float-text strong { font-size: 15px; font-weight: 700; color: var(--c-text-1); display: block; line-height: 1.3; }
.hero-float-card .float-text span { font-size: var(--fs-xs); color: var(--c-text-3); }
.hero-trust {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.hero-trust div { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); color: var(--c-text-2); }
.hero-trust i { color: var(--c-gold); }

/* ===== 服务概览 ===== */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(40px, 5vw, 64px);
}
.section-head .sec-tag {
  display: inline-block;
  background: rgba(23,107,135,0.08);
  border-radius: var(--radius-tag);
  padding: 4px 14px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: var(--fs-h2); font-weight: 800; line-height: 1.3; color: var(--c-text-1); margin-bottom: 12px; }
.section-head p { font-size: 16px; color: var(--c-text-2); line-height: 1.75; }
.feature-row {
  display: flex;
  align-items: center;
  gap: clamp(32px, 5vw, 80px);
  margin-bottom: clamp(48px, 6vw, 80px);
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row.reverse { flex-direction: row-reverse; }
.feature-media {
  flex: 1;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4/3;
  background: var(--c-bg-alt);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.feature-media:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.feature-media img { width: 100%; height: 100%; object-fit: cover; }
.feature-content { flex: 1; }
.feature-content .feat-tag {
  display: inline-block;
  background: linear-gradient(90deg, rgba(23,107,135,0.08), rgba(95,184,201,0.12));
  border: 1px solid rgba(23,107,135,0.16);
  color: var(--c-primary);
  border-radius: var(--radius-tag);
  padding: 4px 14px;
  font-size: var(--fs-xs);
  font-weight: 600;
  margin-bottom: 14px;
}
.feature-content h3 { font-size: clamp(24px, 2.4vw, 32px); font-weight: 800; color: var(--c-text-1); line-height: 1.3; margin-bottom: 14px; }
.feature-content p.desc { font-size: 16px; color: var(--c-text-2); line-height: 1.8; margin-bottom: 20px; }
.feature-list { margin-bottom: 24px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--c-text-2);
  border-bottom: 1px dashed var(--c-border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li i { color: var(--c-primary-light); margin-top: 4px; font-size: 14px; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--c-primary);
  font-size: 15px;
  transition: gap 0.25s ease;
}
.text-link:hover { gap: 12px; color: var(--c-primary-dark); }

/* ===== 服务分类 ===== */
.service-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.service-card:hover::before { opacity: 1; }
.service-card .card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(23,107,135,0.08);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  transition: all 0.3s ease;
}
.service-card:hover .card-icon { background: var(--c-primary); color: #fff; }
.service-card h3 { font-size: var(--fs-h3); font-weight: 700; color: var(--c-text-1); margin-bottom: 10px; }
.service-card p { font-size: var(--fs-sm); color: var(--c-text-2); line-height: 1.7; margin-bottom: 16px; }
.service-card .card-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.service-card .card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-xs);
  color: var(--c-primary-light);
  background: rgba(95,184,201,0.10);
  padding: 2px 10px;
  border-radius: var(--radius-tag);
}

/* ===== 流程 ===== */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: flow; }
.flow-step {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.flow-step:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.flow-step .step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  color: #fff;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 8px 20px rgba(23,107,135,0.25);
}
.flow-step h3 { font-size: 17px; font-weight: 700; color: var(--c-text-1); margin-bottom: 10px; }
.flow-step p { font-size: var(--fs-sm); color: var(--c-text-2); line-height: 1.7; }

/* ===== 保障 ===== */
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.guarantee-item {
  background: var(--c-bg);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  border: 1px solid var(--c-border);
  text-align: center;
  transition: all 0.3s ease;
}
.guarantee-item:hover { border-color: var(--c-accent); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.guarantee-item i {
  display: inline-flex;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(23,107,135,0.08);
  color: var(--c-primary);
  font-size: 24px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.guarantee-item h3 { font-size: 17px; font-weight: 700; color: var(--c-text-1); margin-bottom: 8px; }
.guarantee-item p { font-size: var(--fs-sm); color: var(--c-text-2); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 18px;
  transition: all 0.3s ease;
}
.faq-item:hover { border-color: var(--c-accent); box-shadow: var(--shadow-card); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text-1);
  transition: color 0.2s;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon { color: var(--c-primary); transition: transform 0.3s ease; }
.faq-item[open] summary .faq-icon { transform: rotate(45deg); color: var(--c-primary-dark); }
.faq-item[open] summary { color: var(--c-primary); }
.faq-item .faq-answer { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.faq-item .faq-answer p { font-size: 15px; color: var(--c-text-2); line-height: 1.8; }

/* ===== CTA ===== */
.cta-banner {
  background: linear-gradient(120deg, var(--c-primary-dark) 0%, var(--c-primary) 60%, var(--c-primary-light) 100%);
  border-radius: 24px;
  padding: clamp(40px, 5vw, 64px) clamp(24px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-banner h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: #fff; line-height: 1.4; margin-bottom: 8px; }
.cta-banner p { font-size: 16px; color: rgba(255,255,255,0.88); line-height: 1.7; max-width: 520px; }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; flex-shrink: 0; }
.btn-white { background: #fff; color: var(--c-primary-dark); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-white:hover { background: var(--c-bg-alt); color: var(--c-primary-dark); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.20); }
.btn-outline-white { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.8); }
.btn-outline-white:hover { background: rgba(255,255,255,0.12); color: #fff; transform: translateY(-2px); border-color: #fff; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--c-footer-bg);
  color: var(--c-footer-text);
  padding: clamp(48px, 5vw, 72px) 0 0;
  margin-top: var(--space-section);
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul li a { color: var(--c-footer-text); font-size: var(--fs-sm); transition: all 0.25s ease; }
.site-footer ul li a:hover { color: #fff; padding-left: 4px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-logo { color: #fff; }
.footer-brand .brand-logo i { background: rgba(255,255,255,0.12); color: var(--c-accent); }
.footer-brand .sub-label { color: rgba(255,255,255,0.6); }
.site-footer .footer-brand p { color: #fff; font-size: 15px; font-weight: 600; }
.site-footer > .grid-container > .grid-x > .cell > p {
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}
.contact-list li { display: flex; align-items: center; gap: 10px; font-size: var(--fs-sm); color: var(--c-footer-text); }
.contact-list li i { color: var(--c-accent); width: 18px; text-align: center; }
.footer-bottom {
  margin-top: 40px;
  border-top: 1px solid #28545F;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: var(--fs-xs); color: rgba(255,255,255,0.6); }

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .header-left { gap: 20px; }
  .main-nav { gap: 16px; }
  .main-nav .nav-link { font-size: 14px; }
  .service-cards { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-banner { flex-direction: column; align-items: flex-start; }
}
@media screen and (max-width: 768px) {
  .header-left .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-right .search-trigger { display: none; }
  .header-right .btn-login { display: none; }
  .feature-row, .feature-row.reverse { flex-direction: column; gap: 28px; }
  .feature-row.reverse .feature-media { order: -1; }
  .service-cards { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .hero-trust { gap: 14px; }
  .hero-float-card { left: 12px; bottom: -24px; }
  .site-footer .grid-x > .cell { margin-bottom: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media screen and (max-width: 640px) {
  .cat-hero .hero-actions .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .feature-content h3 { font-size: 22px; }
  .section-head p { font-size: 15px; }
  .service-card { padding: 22px; }
  .site-footer h4 { margin-bottom: 14px; }
}