/* roulang page: index */
:root {
  --primary: #0D3B2E;
  --primary-deep: #07281F;
  --primary-soft: #1B5A47;
  --accent: #C8933C;
  --accent-hover: #AD7E2E;
  --accent-soft: #F4E3C4;
  --bg: #F6F3ED;
  --surface: #FFFFFF;
  --surface-muted: #EDE8DF;
  --text: #213129;
  --text-muted: #64746C;
  --border: #E3DCCF;
  --border-light: #EFEAE1;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-input: 6px;
  --radius-lg: 20px;
  --shadow: 0 4px 18px rgba(7, 40, 31, .07);
  --shadow-hover: 0 10px 32px rgba(7, 40, 31, .14);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
  --font-sans: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --header-h: 72px;
  --dur: .3s;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease; }
a:hover { color: var(--accent); }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.35;
  margin-top: 0;
  color: var(--primary-deep);
}
p { margin-top: 0; }
section { position: relative; }
ul { padding-left: 0; list-style: none; margin-bottom: 0; }
:focus-visible {
  outline: 3px solid rgba(200, 147, 60, .5);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===== Bootstrap 覆盖 ===== */
.container { max-width: 1280px; }
.btn {
  border-radius: var(--radius-btn);
  font-weight: 600;
  min-height: 44px;
  padding: .625rem 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 1px solid transparent;
  transition: background-color .3s, border-color .3s, transform .25s, box-shadow .25s, color .3s;
  font-size: .95rem;
  line-height: 1.4;
  letter-spacing: .01em;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid rgba(200, 147, 60, .45); outline-offset: 2px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-soft); border-color: var(--primary-soft); color: #fff; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-outline-primary { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline-primary:hover { background: rgba(13, 59, 46, .08); border-color: var(--primary); color: var(--primary); box-shadow: none; }
.btn-sm { min-height: 36px; padding: .4rem 1rem; font-size: .875rem; }
.btn-lg { min-height: 52px; padding: .875rem 2rem; font-size: 1rem; }
.carousel-indicators [data-bs-target] {
  width: 10px; height: 10px; border-radius: 50%;
  background-color: var(--primary); opacity: .3;
  border: 0; transition: all .3s ease;
}
.carousel-indicators .active { width: 28px; border-radius: 5px; opacity: 1; }
.carousel-control-prev, .carousel-control-next {
  width: 48px; height: 48px; top: 50%; bottom: auto;
  transform: translateY(-50%); border-radius: 50%;
  background: var(--surface); color: var(--primary);
  border: 1px solid var(--border); opacity: 1;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
}
.carousel-control-prev { left: -20px; }
.carousel-control-next { right: -20px; }
.carousel-control-prev:hover, .carousel-control-next:hover {
  background: rgba(13, 59, 46, .08); color: var(--primary);
  border-color: var(--primary-soft);
}
.carousel-control-prev .carousel-control-prev-icon,
.carousel-control-next .carousel-control-next-icon {
  background-image: none; width: 12px; height: 12px;
  border: 2px solid currentColor;
  border-left: 0; border-top: 0;
  transform: rotate(135deg);
}
.carousel-control-next .carousel-control-next-icon { transform: rotate(-45deg); }
.accordion-item { border: 0; background: transparent; }
.accordion-button {
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  padding: 1.25rem 1rem 1.25rem 1.25rem;
  box-shadow: none;
  border-left: 4px solid transparent;
  font-family: var(--font-serif);
}
.accordion-button:not(.collapsed) {
  background: transparent;
  color: var(--primary);
  border-left-color: var(--accent);
  box-shadow: none;
}
.accordion-button::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230D3B2E'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E"); }
.accordion-button:focus { box-shadow: none; }
.accordion-body { padding: 1rem 1.25rem 1.5rem; color: var(--text-muted); font-size: .9375rem; line-height: 1.75; border-left: 4px solid transparent; }
.accordion-item { border-bottom: 1px solid var(--border-light); }
.accordion-item:first-of-type { border-top: 1px solid var(--border-light); }
.accordion-item:last-of-type { border-bottom: 1px solid var(--border-light); }
.form-control {
  border-radius: var(--radius-input);
  border: 1px solid var(--border);
  padding: .7rem .9rem;
  background: var(--surface);
  font-size: .9375rem;
  transition: border-color .25s, box-shadow .25s;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 .2rem rgba(200, 147, 60, .15);
}
a:not(.btn):focus-visible { outline-color: rgba(200, 147, 60, .5); }

/* ===== Topbar ===== */
.topbar {
  background: var(--primary-deep);
  color: rgba(255,255,255,.82);
  font-size: .8rem;
  height: 36px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; }
.topbar-left { display: flex; align-items: center; gap: 8px; white-space: nowrap; overflow: hidden; }
.topbar-left i { color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.topbar-right a { color: rgba(255,255,255,.82); font-size: .8rem; }
.topbar-right a:hover { color: var(--accent); }

/* ===== Header & Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: var(--surface);
  box-shadow: 0 1px 0 var(--border-light);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(7, 40, 31, .08); }
.site-header .navbar { min-height: var(--header-h); padding: 0 0; }
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  margin-right: 2rem;
}
.brand-main {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--primary-deep);
  letter-spacing: .02em;
}
.brand-main:hover { color: var(--primary-deep); }
.brand-sub {
  font-size: .7rem;
  color: var(--text-muted);
  letter-spacing: .08em;
  font-weight: 400;
  margin-top: 2px;
}
.navbar-nav { gap: .35rem; }
.navbar-nav .nav-link {
  color: var(--text);
  font-weight: 500;
  padding: .5rem 1rem;
  border-radius: 6px;
  font-size: .95rem;
  transition: color .25s, background .25s;
}
.navbar-nav .nav-link:hover { color: var(--primary); background: rgba(13, 59, 46, .05); }
.navbar-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(13, 59, 46, .07);
}
.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: .35rem .6rem;
  color: var(--primary);
  background: transparent;
}
.navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(200,147,60,.2); }

/* ===== Mega Menu ===== */
.nav-quick { position: relative; }
.quick-trigger {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-btn);
  color: var(--text);
  font-weight: 500;
  font-size: .9rem;
  background: transparent;
  cursor: pointer;
  transition: border-color .25s, background .25s, color .25s;
}
.quick-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 147, 60, .06);
}
.quick-trigger i { font-size: .8rem; transition: transform .25s; }
.nav-quick:hover .quick-trigger i { transform: rotate(180deg); }
.mega-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  width: 780px;
  max-width: 90vw;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(7, 40, 31, .16);
  border: 1px solid var(--border-light);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s ease, visibility .3s ease, transform .3s ease;
  z-index: 1050;
  padding: 1.75rem;
}
.mega-panel::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 40px;
  width: 14px;
  height: 14px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-right: 0;
  border-bottom: 0;
  transform: rotate(45deg);
}
.nav-quick:hover .mega-panel,
.nav-quick:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-grid { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 1.5rem; }
.mega-col h4 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: .85rem;
  font-family: var(--font-sans);
}
.mega-col ul li { margin-bottom: .5rem; }
.mega-col ul li a {
  color: var(--text);
  font-size: .9rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem 0;
}
.mega-col ul li a::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.mega-col ul li a:hover { color: var(--primary); padding-left: 4px; }
.mega-card {
  background: var(--surface-muted);
  border-radius: var(--radius-card);
  padding: 1rem;
  text-align: center;
}
.mega-card img { border-radius: 8px; margin-bottom: .75rem; width: 100%; height: 96px; object-fit: cover; }
.mega-card p { font-size: .875rem; color: var(--text); margin-bottom: .75rem; line-height: 1.5; }

/* ===== Hero ===== */
.hero {
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 5rem 0;
  background:
    radial-gradient(ellipse at 75% 30%, rgba(200,147,60,.18) 0%, transparent 50%),
    linear-gradient(120deg, rgba(7,40,31,.94) 0%, rgba(13,59,46,.82) 45%, rgba(27,90,71,.68) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
}
.hero-row { align-items: center; }
.hero-content .tagline {
  display: inline-block;
  background: rgba(200,147,60,.18);
  border: 1px solid rgba(200,147,60,.4);
  color: var(--accent-soft);
  border-radius: 30px;
  padding: .35rem 1rem;
  font-size: .8rem;
  letter-spacing: .04em;
  margin-bottom: 1.25rem;
}
.hero h1 {
  color: #fff;
  font-size: clamp(32px, 4vw, 52px);
  margin-bottom: 1.25rem;
  letter-spacing: .02em;
}
.hero-sub {
  color: rgba(255,255,255,.85);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-cta .btn-accent { min-width: 140px; }
.hero-cta .btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.7);
  color: #fff;
}
.hero-cta .btn-outline-light:hover { background: rgba(255,255,255,.12); }
.hero-visual { display: flex; flex-direction: column; align-items: center; }
.login-panel {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  color: var(--text);
}
.login-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.login-head h3 { font-size: 1.3rem; margin: 0; color: var(--primary-deep); }
.secure-tag {
  font-size: .7rem;
  background: rgba(13, 59, 46, .08);
  color: var(--primary-soft);
  border-radius: 20px;
  padding: .25rem .7rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.login-body .form-field { margin-bottom: 1rem; }
.login-body label { font-size: .85rem; color: var(--text-muted); margin-bottom: .35rem; display: block; }
.login-body .btn { width: 100%; }
.login-tools { display: flex; justify-content: space-between; margin-top: .85rem; font-size: .85rem; }
.login-tools a { color: var(--text-muted); }
.login-tools a:hover { color: var(--accent); }
.login-foot {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1.25rem;
  text-align: center;
}
.login-foot span { font-size: .75rem; color: var(--text-muted); display: block; margin-bottom: .75rem; }
.social-icons { display: flex; justify-content: center; gap: .75rem; }
.social-icons i {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--surface-muted);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: all .25s;
}
.social-icons i:hover { background: var(--accent-soft); color: var(--accent); }
.trust-line {
  display: flex;
  gap: 1rem;
  margin-top: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
  color: rgba(255,255,255,.85);
  font-size: .8rem;
}
.trust-line i { color: var(--accent); margin-right: 4px; }

/* ===== Trust Stats ===== */
.trust-stats { padding: 3rem 0; border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); background: var(--surface); }
.stat-item { text-align: center; padding: 1rem 0; }
.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label { color: var(--text-muted); font-size: .9rem; margin-top: .5rem; }

/* ===== Section Common ===== */
.section-pad { padding: 80px 0; }
@media (max-width: 991px) { .section-pad { padding: 56px 0; } }
.section-head { margin-bottom: 2.75rem; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); color: var(--primary-deep); margin-bottom: .75rem; }
.section-head p { color: var(--text-muted); max-width: 660px; margin: 0 auto; font-size: .95rem; }
.section-head .section-kicker {
  display: inline-block;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}

/* ===== Feature Grid Cards ===== */
.feature-grid { padding: 80px 0; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-soft);
}
.feature-card .card-img {
  position: relative;
  overflow: hidden;
}
.feature-card .card-img img { width: 100%; height: 180px; object-fit: cover; transition: transform .5s ease; }
.feature-card:hover .card-img img { transform: scale(1.04); }
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-size: .7rem;
  font-weight: 700;
  padding: .25rem .65rem;
  border-radius: 4px;
  letter-spacing: .02em;
}
.card-body-l { padding: 1.5rem 1.5rem 1.25rem; flex: 1; display: flex; flex-direction: column; }
.card-body-l h3 { font-size: 1.125rem; line-height: 1.5; margin-bottom: .5rem; font-family: var(--font-serif); }
.card-body-l h3 a { color: var(--primary-deep); }
.card-body-l h3 a:hover { color: var(--accent); }
.card-desc {
  color: var(--text-muted);
  font-size: .875rem;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
  flex: 1;
}
.card-footer-l {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  padding: .75rem 1.5rem;
}
.card-anchor { font-size: .8rem; color: var(--text-muted); }
.card-btn {
  font-size: .8rem;
  padding: .3rem .85rem;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: all .25s;
  min-height: 0;
}
.card-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}
.card-btn:focus-visible { outline: 3px solid rgba(200,147,60,.4); outline-offset: 2px; }

/* ===== Testimonials ===== */
.testimonials { background: var(--surface); padding: 80px 0; overflow: hidden; }
.testimonials .carousel { position: relative; }
.testimonials .carousel-inner { padding: 1rem 0 2rem; }
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  height: 100%;
  box-shadow: var(--shadow);
  transition: box-shadow .3s, border-color .3s;
  display: flex;
  flex-direction: column;
}
.testimonial-card:hover { box-shadow: var(--shadow-hover); border-color: var(--primary-soft); }
.stars { color: var(--accent); font-size: .85rem; margin-bottom: .85rem; letter-spacing: 2px; }
.testimonial-card p {
  color: var(--text);
  font-size: .9rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.testimonial-author { display: flex; align-items: center; gap: .85rem; border-top: 1px solid var(--border-light); padding-top: 1rem; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.testimonial-author .name { font-weight: 600; font-size: .9rem; color: var(--primary-deep); }
.testimonial-author .role { font-size: .78rem; color: var(--text-muted); }

/* ===== Guarantee ===== */
.guarantee { padding: 80px 0; }
.guarantee-item { text-align: center; padding: 1rem; }
.guarantee-item .gi-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(244, 227, 196, .35);
  border: 1px solid rgba(200, 147, 60, .3);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.35rem;
  color: var(--accent);
  transition: all .3s;
}
.guarantee-item:hover .gi-icon { background: var(--accent-soft); transform: scale(1.06); }
.guarantee-item h3 { font-size: 1rem; font-weight: 600; margin-bottom: .5rem; color: var(--primary-deep); font-family: var(--font-sans); }
.guarantee-item p { font-size: .85rem; color: var(--text-muted); margin-bottom: 0; line-height: 1.6; }

/* ===== CTA Banner ===== */
.cta-banner {
  background:
    linear-gradient(135deg, rgba(7, 40, 31, .92), rgba(13, 59, 46, .78)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 100px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  width: 120px; height: 120px;
  border: 1.5px solid rgba(200,147,60,.35);
  opacity: .7;
}
.cta-banner::before { top: 30px; left: 30px; border-right: 0; border-bottom: 0; border-radius: 8px 0 0 0; }
.cta-banner::after { bottom: 30px; right: 30px; border-left: 0; border-top: 0; border-radius: 0 0 8px 0; }
.cta-banner h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 1rem;
  letter-spacing: .02em;
}
.cta-banner p { color: rgba(255,255,255,.85); max-width: 600px; margin: 0 auto 2rem; }
.cta-banner .btn-accent { min-width: 180px; font-size: 1rem; }

/* ===== News Section ===== */
.news-section { padding: 80px 0; }
.news-list { display: flex; flex-direction: column; gap: 1rem; }
.news-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 1rem;
  display: flex;
  gap: 1.25rem;
  transition: box-shadow .3s, border-color .3s, transform .3s;
  align-items: center;
}
.news-card:hover { box-shadow: var(--shadow-hover); border-color: var(--primary-soft); transform: translateY(-2px); }
.news-thumb {
  flex: 0 0 80px;
  width: 80px; height: 80px;
  border-radius: 10px;
  overflow: hidden;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; min-width: 0; }
.news-body h3 { font-size: 1rem; margin-bottom: .35rem; line-height: 1.45; font-family: var(--font-serif); }
.news-body h3 a { color: var(--primary-deep); }
.news-body h3 a:hover { color: var(--accent); }
.news-body .news-summary {
  color: var(--text-muted);
  font-size: .85rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: .4rem;
}
.news-meta { display: flex; align-items: center; gap: .75rem; font-size: .78rem; color: var(--text-muted); flex-wrap: wrap; }
.news-meta .tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-radius: 4px;
  padding: .15rem .5rem;
  font-weight: 600;
  font-size: .72rem;
}
.news-meta time { color: var(--text-muted); }
.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  margin-bottom: .85rem;
  display: flex;
  align-items: center;
  gap: .85rem;
  transition: box-shadow .3s, transform .3s, border-color .3s;
}
.sidebar-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: var(--primary-soft); }
.sidebar-card .sb-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--surface-muted);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.sidebar-card .sb-info { flex: 1; min-width: 0; }
.sidebar-card .sb-name { font-weight: 600; font-size: .9rem; color: var(--primary-deep); }
.sidebar-card .sb-count { font-size: .75rem; color: var(--text-muted); }
.empty-state {
  background: var(--surface);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 3rem;
  text-align: center;
  color: var(--text-muted);
  font-size: .95rem;
}

/* ===== FAQ ===== */
.faq-section { background: var(--surface); padding: 80px 0; }
.faq-wrap { max-width: 860px; margin: 0 auto; }

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,.78);
  padding-top: 70px;
  font-size: .9rem;
}
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-brand-l .brand-main { color: #fff; font-size: 1.4rem; }
.footer-brand-l .brand-sub { color: rgba(255,255,255,.6); }
.footer-brand-l p { font-size: .85rem; line-height: 1.7; color: rgba(255,255,255,.65); margin-top: 1rem; }
.site-footer h4 {
  font-family: var(--font-sans);
  color: #fff;
  font-size: .95rem;
  margin-bottom: 1rem;
  font-weight: 600;
}
.site-footer ul li { margin-bottom: .55rem; }
.site-footer ul li a { color: rgba(255,255,255,.65); font-size: .875rem; }
.site-footer ul li a:hover { color: var(--accent); padding-left: 4px; }
.site-footer ul li i { color: rgba(200,147,60,.7); margin-right: .4rem; font-size: .8rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.5rem 0;
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.6); }

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .mega-panel { width: 700px; }
}
@media (max-width: 991px) {
  .hero { padding: 3rem 0; }
  .hero-row { row-gap: 2.5rem; }
  .hero-visual { margin-top: 1rem; }
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    padding: 1rem;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,.12);
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }
  .navbar-nav { gap: 0; }
  .navbar-nav .nav-link { padding: .65rem .5rem; }
  .nav-quick { margin-top: .75rem; }
  .mega-panel { position: static; width: 100%; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 1px solid var(--border-light); margin-top: .5rem; display: none; }
  .nav-quick.open .mega-panel { display: block; }
  .mega-panel::before { display: none; }
  .mega-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .testimonials .carousel-control-prev { left: 0; }
  .testimonials .carousel-control-next { right: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section-pad, .feature-grid, .guarantee, .news-section, .faq-section, .testimonials { padding: 48px 0; }
  .hero { min-height: 0; padding: 2rem 0; }
  .hero-cta .btn { width: 100%; }
  .trust-stats { padding: 2rem 0; }
  .stat-number { font-size: 1.9rem; }
  .footer-top { grid-template-columns: 1fr; gap: 1.5rem; }
  .news-card { flex-direction: row; }
  .news-thumb { flex-basis: 64px; width: 64px; height: 64px; }
  .card-body-l { padding: 1.25rem 1.25rem 1rem; }
  .carousel-control-prev, .carousel-control-next { display: none; }
}
@media (max-width: 520px) {
  .topbar-right { display: none; }
  .brand-main { font-size: 1.3rem; }
  .brand-sub { font-size: .65rem; }
  .hero h1 { font-size: 30px; }
  .login-panel { padding: 1.5rem; }
  .mega-panel { padding: 1.25rem; }
}

/* roulang page: category1 */
:root {
            --primary: #0D3B2E;
            --primary-deep: #07281F;
            --primary-soft: #1B5A47;
            --accent: #C8933C;
            --accent-hover: #AD7E2E;
            --accent-soft: #F4E3C4;
            --bg: #F6F3ED;
            --surface: #FFFFFF;
            --surface-muted: #EDE8DF;
            --text: #213129;
            --text-muted: #64746C;
            --border: #E3DCCF;
            --border-light: #EFEAE1;
            --radius-sm: 6px;
            --radius-card: 12px;
            --radius-large: 20px;
            --radius-btn: 8px;
            --shadow-sm: 0 4px 18px rgba(7, 40, 31, .07);
            --shadow-lg: 0 10px 32px rgba(7, 40, 31, .14);
            --font-body: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
            --transition: all .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        p {
            margin: 0 0 16px;
        }

        ::selection {
            background: var(--accent-soft);
            color: var(--primary-deep);
        }

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .nav-link:focus-visible {
            outline: 3px solid rgba(200, 147, 60, .55);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            height: 72px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
        }

        .navbar {
            padding: 0;
            height: 72px;
        }

        .navbar .container {
            align-items: center;
        }

        .brand {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.15;
            margin-right: 32px;
            gap: 2px;
        }

        .brand-main {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .brand-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 2px;
            font-weight: 400;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            padding: 8px 20px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            position: relative;
            border-radius: 6px;
            line-height: 1.4;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(13, 59, 46, .05);
        }

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

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--primary);
            font-size: 18px;
            background: var(--surface);
        }

        .navbar-toggler:hover {
            border-color: var(--primary);
            background: rgba(13, 59, 46, .05);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(200, 147, 60, .5);
        }

        .nav-quick {
            position: relative;
            margin-left: 8px;
        }

        .quick-trigger {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            background: var(--surface);
            transition: var(--transition);
            cursor: pointer;
        }

        .quick-trigger:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(13, 59, 46, .04);
            box-shadow: var(--shadow-sm);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 14px);
            right: 0;
            width: 680px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            padding: 28px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
            z-index: 999;
        }

        .mega-panel::before {
            content: '';
            position: absolute;
            top: -8px;
            right: 48px;
            width: 16px;
            height: 16px;
            background: var(--surface);
            border-left: 1px solid var(--border-light);
            border-top: 1px solid var(--border-light);
            transform: rotate(45deg);
            border-radius: 2px;
        }

        .nav-quick:hover .mega-panel,
        .nav-quick:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1.2fr 1.4fr 1fr;
            gap: 28px;
        }

        .mega-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-hover);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-light);
        }

        .mega-col ul li {
            margin-bottom: 8px;
        }

        .mega-col ul a {
            font-size: 14px;
            color: var(--text);
            line-height: 1.5;
            display: inline-block;
        }

        .mega-col ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .mega-card {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            overflow: hidden;
            padding: 18px;
            text-align: center;
        }

        .mega-card img {
            width: 100%;
            height: 96px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 12px;
        }

        .mega-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--surface);
                border: 1px solid var(--border-light);
                border-radius: 16px;
                padding: 20px;
                margin-top: 14px;
                box-shadow: var(--shadow-lg);
                max-height: calc(100vh - 100px);
                overflow-y: auto;
            }

            .navbar-nav .nav-link {
                padding: 12px 8px;
                font-size: 16px;
            }

            .navbar-nav .nav-link.active::after {
                left: 8px;
                right: auto;
                width: 28px;
                bottom: 6px;
            }

            .nav-quick {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
            }

            .quick-trigger {
                width: 100%;
                justify-content: center;
            }

            .mega-panel {
                position: static;
                width: 100%;
                box-shadow: none;
                border: 1px solid var(--border-light);
                border-radius: 12px;
                padding: 18px;
                opacity: 1;
                visibility: visible;
                transform: none;
                margin-top: 10px;
            }

            .mega-panel::before {
                display: none;
            }

            .mega-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 12px 28px;
            font-size: 15px;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            line-height: 1.4;
            min-height: 44px;
            cursor: pointer;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn:focus {
            box-shadow: none;
        }

        .btn-accent {
            background: var(--accent);
            color: #1B1206;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 8px 24px rgba(200, 147, 60, .35);
        }

        .btn-outline-primary {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover {
            background: rgba(13, 59, 46, .08);
            border-color: var(--primary-soft);
            color: var(--primary);
            box-shadow: 0 6px 18px rgba(13, 59, 46, .12);
        }

        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .7);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
            border-radius: 10px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 96px 0 88px;
            background: var(--primary-deep);
            overflow: hidden;
            color: #fff;
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .35;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 40, 31, .92) 0%, rgba(13, 59, 46, .78) 60%, rgba(200, 147, 60, .25) 100%);
        }

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

        .breadcrumb-links {
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-links a {
            color: rgba(255, 255, 255, .75);
        }

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

        .breadcrumb-links .sep {
            opacity: .5;
        }

        .page-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(32px, 4vw, 52px);
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: 1px;
            max-width: 720px;
            line-height: 1.28;
        }

        .page-hero .lead {
            font-size: 17px;
            color: rgba(255, 255, 255, .82);
            margin-bottom: 32px;
            max-width: 640px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 72px 0 64px;
            }

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

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

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 48px 0;
            }
        }

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

        .section-header .tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent-hover);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 5px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 660px;
            margin: 0 auto;
            line-height: 1.75;
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 24px;
            }

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

        /* ===== Category Intro ===== */
        .category-intro {
            padding: 48px 0 0;
        }

        .category-intro .intro-box {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 32px 40px;
            box-shadow: var(--shadow-sm);
            max-width: 960px;
            margin: 0 auto;
        }

        .category-intro p {
            font-size: 16px;
            color: var(--text);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .category-intro p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .category-intro .intro-box {
                padding: 24px;
            }
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-soft);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--accent-soft);
            color: var(--accent-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: #fff;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

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

        /* ===== Scenes ===== */
        .scenes-section {
            background: var(--surface-muted);
        }

        .scene-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .scene-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: rgba(244, 227, 196, .35);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .scene-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .scene-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== Steps ===== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .steps-wrap::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-soft), var(--accent), var(--accent-soft));
            border-radius: 1px;
            z-index: 0;
        }

        .step-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 28px 24px 24px;
            text-align: center;
            position: relative;
            z-index: 1;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-soft);
        }

        .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            box-shadow: 0 0 0 5px rgba(13, 59, 46, .1);
            position: relative;
            z-index: 1;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .steps-wrap::before {
                display: none;
            }
        }

        @media (max-width: 575.98px) {
            .steps-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Content Cards ===== */
        .content-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-soft);
        }

        .content-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .content-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .content-card:hover .content-cover img {
            transform: scale(1.05);
        }

        .content-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent-soft);
            color: var(--accent-hover);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            letter-spacing: .5px;
        }

        .content-body {
            padding: 22px 24px 26px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .content-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 10px;
        }

        .content-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .content-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .content-meta a {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .content-meta a:hover {
            color: var(--accent-hover);
            gap: 7px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--surface-muted);
        }

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

        .accordion-item {
            background: var(--surface);
            border: none;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0 !important;
            transition: var(--transition);
        }

        .accordion-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .accordion-button {
            background: transparent;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 22px 24px;
            box-shadow: none;
            border: none;
            transition: var(--transition);
            line-height: 1.5;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(13, 59, 46, .03);
            color: var(--primary);
            box-shadow: none;
            border-left: 4px solid var(--accent);
            padding-left: 20px;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(200, 147, 60, .35);
            outline-offset: -1px;
            border-radius: 4px;
        }

        .accordion-button::after {
            background: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
            width: auto;
            height: auto;
            margin-left: auto;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--accent-hover);
            background: none;
        }

        .accordion-body {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            padding: 4px 24px 24px 24px;
        }

        @media (max-width: 767.98px) {
            .accordion-button {
                padding: 18px 16px;
                font-size: 15px;
            }

            .accordion-body {
                padding: 4px 16px 20px 20px;
                font-size: 14px;
            }
        }

        /* ===== CTA Banner ===== */
        .cta-section {
            padding: 40px 0 96px;
        }

        .cta-banner {
            position: relative;
            background: var(--primary-deep);
            background-image: linear-gradient(120deg, rgba(7, 40, 31, .88), rgba(13, 59, 46, .92)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-large);
            padding: 72px 56px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-banner::before,
        .cta-banner::after {
            content: '';
            position: absolute;
            width: 180px;
            height: 180px;
            border: 1px solid rgba(200, 147, 60, .2);
            border-radius: 50%;
        }

        .cta-banner::before {
            top: -90px;
            left: -60px;
        }

        .cta-banner::after {
            bottom: -90px;
            right: -60px;
        }

        .cta-banner .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-banner h2 {
            font-family: var(--font-display);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        @media (max-width: 767.98px) {
            .cta-section {
                padding: 24px 0 56px;
            }

            .cta-banner {
                padding: 48px 24px;
                border-radius: 16px;
            }

            .cta-banner h2 {
                font-size: 24px;
            }

            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, .7);
            padding: 72px 0 0;
            font-size: 14px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: min(1280px, 90%);
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(200, 147, 60, .55), transparent);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand-l .brand {
            margin-bottom: 18px;
        }

        .footer-brand-l .brand-main {
            color: #fff;
        }

        .footer-brand-l .brand-sub {
            color: rgba(255, 255, 255, .5);
        }

        .footer-brand-l p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 340px;
            margin-bottom: 0;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

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

        .site-footer ul a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
        }

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

        .site-footer ul li i {
            color: var(--accent);
            width: 20px;
            margin-right: 4px;
        }

        .footer-bottom {
            padding: 28px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 575.98px) {
            .site-footer {
                padding-top: 48px;
            }

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

/* roulang page: article */
:root {
  --primary: #0D3B2E;
  --primary-deep: #07281F;
  --primary-soft: #1B5A47;
  --accent: #C8933C;
  --accent-hover: #AD7E2E;
  --accent-soft: #F4E3C4;
  --bg: #F6F3ED;
  --surface: #FFFFFF;
  --surface-muted: #EDE8DF;
  --text: #213129;
  --text-muted: #64746C;
  --border: #E3DCCF;
  --border-light: #EFEAE1;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-btn: 8px;
  --shadow: 0 4px 18px rgba(7,40,31,.07);
  --shadow-lg: 0 10px 32px rgba(7,40,31,.14);
  --font-heading: 'Noto Serif SC','Source Han Serif SC','Songti SC',Georgia,serif;
  --font-body: system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary-soft);
  text-decoration: none;
  transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

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

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

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

a:focus-visible, button:focus-visible, .btn:focus-visible, .quick-trigger:focus-visible {
  outline: 3px solid rgba(200,147,60,.55);
  outline-offset: 2px;
}

.container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 768px) {
  .container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl {
    padding-left: 16px;
    padding-right: 16px;
  }
}

.site-ticker {
  background: var(--primary-deep);
  color: rgba(255,255,255,.78);
  font-size: 13px;
  height: 36px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.ticker-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ticker-icon {
  color: var(--accent);
}

.ticker-inner p {
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow .3s ease, background .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(7,40,31,.08);
}

.navbar {
  padding: 0;
  min-height: 72px;
}

.brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.25;
  padding: 0;
  margin-right: 32px;
}

.brand-main {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-deep);
  letter-spacing: 1px;
}

.brand-sub {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
}

.navbar-toggler {
  border: none;
  box-shadow: none !important;
  color: var(--primary-deep);
  font-size: 20px;
  padding: 6px 10px;
  border-radius: 8px;
}

.navbar-toggler:hover {
  background: var(--accent-soft);
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-item {
  margin: 0 4px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 16px !important;
  border-radius: 8px;
  position: relative;
  transition: background-color .25s ease, color .25s ease;
}

.nav-link:hover {
  color: var(--primary-soft);
  background: var(--accent-soft);
}

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

.quick-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: #fff;
  transition: all .3s;
  cursor: pointer;
  user-select: none;
}

.quick-trigger i {
  transition: transform .3s;
}

.quick-trigger:hover,
.nav-quick.open .quick-trigger {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.quick-trigger:hover i,
.nav-quick.open .quick-trigger i {
  transform: rotate(180deg);
}

.nav-quick {
  position: relative;
}

.mega-panel {
  position: absolute;
  top: calc(100% + 16px);
  right: 0;
  width: 780px;
  max-width: calc(100vw - 48px);
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  box-shadow: 0 24px 56px rgba(7,40,31,.18);
  padding: 28px 32px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(.98);
  transform-origin: top right;
  transition: opacity .22s ease, transform .22s ease, visibility .22s;
  z-index: 1090;
}

.mega-panel::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 104px;
  width: 14px;
  height: 14px;
  background: #fff;
  border-left: 1px solid var(--border-light);
  border-top: 1px solid var(--border-light);
  transform: rotate(45deg);
}

.nav-quick:hover .mega-panel,
.nav-quick.open .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.mega-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr 1fr;
  gap: 28px;
}

.mega-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-deep);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.mega-col ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mega-col ul a {
  font-size: 14px;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  display: block;
  transition: all .25s;
}

.mega-col ul a:hover {
  background: var(--accent-soft);
  color: var(--primary-deep);
}

.mega-card {
  background: var(--surface-muted);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mega-card img {
  border-radius: 8px;
  width: 100%;
  height: 84px;
  object-fit: cover;
}

.mega-card p {
  font-size: 13px;
  color: var(--text);
  margin: 0;
  line-height: 1.6;
}

.mega-card .btn {
  align-self: flex-start;
}

.btn {
  border-radius: 8px;
  font-weight: 500;
  padding: 10px 22px;
  transition: all .3s;
}

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

.btn-primary:hover {
  background: var(--primary-soft);
  border-color: var(--primary-soft);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

.btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(200,147,60,.35);
}

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

.btn-outline-primary:hover {
  background: rgba(13,59,46,.08);
  color: var(--primary);
  border-color: var(--primary);
}

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

.breadcrumb-wrap {
  margin-bottom: 20px;
}

.breadcrumb-wrap .breadcrumb {
  margin: 0;
  --bs-breadcrumb-divider: '›';
  --bs-breadcrumb-divider-color: rgba(255,255,255,.45);
}

.breadcrumb-wrap .breadcrumb-item a {
  color: rgba(255,255,255,.72);
}

.breadcrumb-wrap .breadcrumb-item a:hover {
  color: #fff;
}

.breadcrumb-wrap .breadcrumb-item.active {
  color: rgba(255,255,255,.88);
}

.article-banner {
  position: relative;
  background: var(--primary-deep);
  color: #fff;
  padding: 92px 0 108px;
  overflow: hidden;
}

.article-banner-bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  opacity: .35;
}

.article-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7,40,31,.94) 0%, rgba(13,59,46,.78) 100%);
}

.article-banner-inner {
  position: relative;
  z-index: 2;
}

.banner-ornament {
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 999px;
  margin-bottom: 18px;
}

.article-banner-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 700;
  line-height: 1.42;
  margin: 0 0 18px;
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
  max-width: 880px;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  font-size: 14px;
}

.meta-badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--primary-deep);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item i {
  color: var(--accent);
}

.article-main-wrap {
  padding: 0 0 72px;
  margin-top: -56px;
  position: relative;
  z-index: 5;
}

.article-panel {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: clamp(24px, 5vw, 56px);
  max-width: 900px;
  margin: 0 auto;
}

.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

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

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  font-family: var(--font-heading);
  color: var(--primary-deep);
  line-height: 1.4;
  margin: 40px 0 16px;
}

.article-content h1 {
  font-size: 26px;
}

.article-content h2 {
  font-size: 28px;
}

.article-content h3 {
  font-size: 22px;
}

.article-content h4 {
  font-size: 18px;
}

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

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

.article-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

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

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  position: relative;
  margin: 28px 0;
  padding: 18px 24px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  font-family: var(--font-heading);
  font-size: 15px;
  color: var(--primary-deep);
}

.article-content a {
  color: var(--primary-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.article-content code {
  background: var(--surface-muted);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}

.article-content pre {
  background: var(--primary-deep);
  color: #e8e8e0;
  padding: 18px 20px;
  border-radius: 12px;
  overflow-x: auto;
  line-height: 1.6;
  margin: 24px 0;
}

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

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 14px;
}

.article-content th {
  background: var(--surface-muted);
  font-weight: 600;
}

.article-tags,
.article-share {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}

.article-tags {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-light);
}

.tags-label,
.share-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.tag-link {
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--surface-muted);
  font-size: 13px;
  color: var(--text);
  transition: all .3s;
}

.tag-link:hover {
  background: var(--accent-soft);
  color: var(--primary-deep);
}

.share-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: #fff;
  transition: all .3s;
}

.share-icon:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.related-section {
  padding: 0 0 84px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 16px;
}

.section-heading h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

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

.related-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-soft);
}

.card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

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

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 600;
}

.card-body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  font-family: var(--font-heading);
  margin-bottom: 8px;
  line-height: 1.5;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-text {
  font-size: 14px;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link:hover {
  color: var(--accent);
  gap: 10px;
}

.article-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
}

.pag-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  transition: all .3s;
  min-width: 0;
  max-width: 42%;
}

.pag-btn:hover {
  border-color: var(--primary-soft);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.pag-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.pag-label {
  font-size: 12px;
  color: var(--text-muted);
}

.pag-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pag-arrow {
  color: var(--accent);
  flex-shrink: 0;
}

.pag-next {
  flex-direction: row-reverse;
}

.back-list-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--primary-deep);
  font-size: 14px;
  font-weight: 500;
  transition: all .3s;
}

.back-list-btn:hover {
  background: var(--primary);
  color: #fff;
}

.not-found-card {
  text-align: center;
  padding: 48px 24px;
}

.not-found-card i {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 16px;
}

.not-found-card h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  margin-bottom: 12px;
  color: var(--text);
}

.not-found-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.site-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,.65);
  margin-top: 0;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1232px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,147,60,.5), transparent);
}

.site-footer .container {
  padding-top: 72px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand-l .brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.3;
}

.site-footer .brand-main {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
}

.site-footer .brand-sub {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  letter-spacing: 2px;
}

.footer-brand-l p {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.55);
  max-width: 320px;
}

.footer-top h4 {
  font-size: 16px;
  color: #fff;
  margin: 0 0 18px;
  font-weight: 600;
}

.footer-top ul li {
  margin-bottom: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
}

.footer-top ul li a {
  color: rgba(255,255,255,.6);
  transition: color .3s;
}

.footer-top ul li a:hover {
  color: var(--accent);
}

.footer-top ul li i {
  color: var(--accent);
  margin-right: 6px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}

@media (max-width: 1199.98px) {
  .mega-panel {
    width: 700px;
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    margin-top: 12px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
  }

  .nav-item {
    margin: 2px 0;
  }

  .nav-link {
    border-radius: 10px;
  }

  .nav-quick {
    margin-top: 8px;
  }

  .mega-panel {
    position: static;
    width: 100%;
    max-width: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 1px dashed var(--border);
    padding: 16px;
    margin-top: 10px;
    border-radius: 12px;
  }

  .mega-panel::before {
    display: none;
  }

  .mega-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

  .pag-btn {
    max-width: 48%;
  }
}

@media (max-width: 767.98px) {
  .article-banner {
    padding: 72px 0 92px;
  }

  .article-banner-title {
    font-size: 28px;
  }

  .article-panel {
    padding: 20px;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .article-pagination {
    justify-content: center;
  }

  .pag-btn {
    max-width: 100%;
    width: 100%;
    justify-content: center;
  }

  .article-meta-row {
    gap: 12px 16px;
  }

  .related-section {
    padding-bottom: 48px;
  }

  .article-main-wrap {
    padding-bottom: 48px;
  }
}

@media (max-width: 575.98px) {
  .brand-main {
    font-size: 19px;
  }

  .brand-sub {
    font-size: 11px;
  }

  .navbar {
    min-height: 64px;
  }

  .site-ticker {
    height: 34px;
  }

  .site-footer .container {
    padding-top: 56px;
  }
}