/* roulang page: index */
:root {
  --bg-deep: #0B0F1E;
  --bg-mid: #0A1326;
  --brand-primary: #5C7CFA;
  --brand-primary-dark: #4666E0;
  --accent-cyan: #33E6FF;
  --accent-purple: #8B6CF6;
  --text-primary: #F2F5FF;
  --text-body: rgba(222, 230, 245, 0.88);
  --text-muted: #8295B5;
  --border-glass: rgba(235, 245, 255, 0.14);
  --border-light: rgba(230, 240, 255, 0.2);
  --card-gradient: linear-gradient(135deg, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.02) 60%, rgba(92,124,250,0.04) 100%);
  --shadow-card: 0 20px 50px rgba(2, 6, 23, 0.5);
  --shadow-btn: 0 8px 30px rgba(51, 230, 255, 0.15);
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-sm: 8px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  --sidebar-width: 268px;
  --safe-pad: clamp(24px, 5vw, 64px);
  --section-gap: clamp(56px, 7vw, 96px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; }
body {
  font-family: var(--font-stack);
  background: var(--bg-deep);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(1000px 600px at 78% 8%, rgba(92,124,250,0.16), transparent 60%),
    radial-gradient(800px 500px at 10% 92%, rgba(139,108,246,0.08), transparent 60%),
    var(--bg-deep);
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(235,245,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(235,245,255,0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
a { color: var(--accent-cyan); text-decoration: none; transition: color .2s ease; }
a:hover { color: #E6FBFF; }
img { max-width: 100%; height: auto; border: 0; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-stack);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
}
p { margin-bottom: 0; }
.container-main {
  max-width: 1460px;
  margin: 0 auto;
  padding-left: var(--safe-pad);
  padding-right: var(--safe-pad);
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 1030;
  background: rgba(9, 13, 28, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  padding: 0 18px;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 26px 12px 22px;
  border-bottom: 1px solid rgba(235,245,255,0.08);
}
.brand-logo {
  width: 46px; height: 46px;
  flex: 0 0 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--brand-primary), var(--accent-purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: #fff;
  box-shadow: 0 0 22px rgba(92,124,250,0.35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text .brand-name {
  font-size: 18px; font-weight: 800; color: var(--text-primary);
  letter-spacing: 0.02em; white-space: nowrap;
}
.brand-text .brand-tag {
  font-size: 11px; color: var(--text-muted); margin-top: 2px; letter-spacing: .1em;
}
.sidebar-nav {
  flex: 1;
  padding: 18px 0 12px;
  overflow-y: auto;
}
.nav-section-label {
  font-size: 12px; color: var(--text-muted);
  padding: 14px 14px 8px;
  letter-spacing: .08em; text-transform: uppercase;
}
.nav-list li { margin: 2px 0; }
.nav-list a {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 15px;
  color: var(--text-body);
  position: relative;
  transition: background .2s ease, color .2s ease, padding-left .2s ease;
}
.nav-list a i {
  width: 20px;
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
  transition: color .2s ease;
}
.nav-list a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.nav-list a:hover i { color: var(--accent-cyan); }
.nav-list a.active {
  background: linear-gradient(90deg, rgba(92,124,250,0.18), rgba(92,124,250,0.02));
  color: var(--text-primary);
  font-weight: 600;
  padding-left: 18px;
}
.nav-list a.active::before {
  content: "";
  position: absolute;
  left: 0; top: 20%;
  width: 3px; height: 60%;
  border-radius: 0 3px 3px 0;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(51,230,255,0.7);
}
.nav-list a.active i { color: var(--accent-cyan); }
.sidebar-sub { margin-top: 8px; }
.sidebar-contact-card {
  background: linear-gradient(135deg, rgba(139,108,246,0.12), rgba(92,124,250,0.05));
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 16px 14px;
  margin: 16px 0 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.sidebar-contact-card i {
  color: var(--accent-cyan);
  font-size: 18px;
  margin-top: 3px;
}
.sidebar-contact-card .card-title { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.sidebar-contact-card .card-text { font-size: 12px; color: var(--text-muted); line-height: 1.5; margin-top: 2px; }

/* Mobile Topbar */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1040;
  background: rgba(9, 13, 28, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(235,245,255,0.08);
  padding: 0 20px;
  height: 62px;
  align-items: center;
  justify-content: space-between;
}
.mobile-topbar .btn-menu {
  background: none; border: 1px solid rgba(235,245,255,0.18);
  color: var(--text-primary);
  font-size: 18px;
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s ease;
}
.mobile-topbar .btn-menu:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.mobile-topbar .m-brand { display: flex; align-items: center; gap: 10px; }
.mobile-topbar .m-brand .brand-name { font-size: 18px; font-weight: 800; color: #fff; white-space: nowrap; }

/* Drawer */
.drawer-mask {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1050;
  display: none;
  opacity: 0;
}
.drawer-mask.show { display: block; animation: fadeIn .25s ease-out forwards; }
@keyframes fadeIn { from {opacity: 0} to {opacity: 1} }
.drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 280px;
  z-index: 1060;
  background: #0B101F;
  border-right: 1px solid var(--border-glass);
  padding: 16px 18px;
  transform: translateX(-100%);
  transition: transform .3s ease-out;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer .drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(235,245,255,0.09);
  padding-bottom: 14px;
}
.drawer .btn-close-drawer {
  background: none; border: 1px solid rgba(235,245,255,0.16);
  color: var(--text-muted); width: 36px; height: 36px;
  border-radius: 8px;
}
.drawer .drawer-nav .nav-list a { color: var(--text-body); }
.drawer .drawer-nav .nav-list a.active {
  color: var(--text-primary);
  background: linear-gradient(90deg, rgba(92,124,250,0.2), transparent);
}

/* ====== Main ====== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.hero-section {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(6,10,25,0.92) 0%, rgba(8,12,28,0.78) 42%, rgba(11,15,30,0.7) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid rgba(235,245,255,0.06);
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51,230,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-section::after {
  content: "";
  position: absolute;
  bottom: -40%; left: 20%;
  width: 700px; height: 400px;
  background: radial-gradient(circle, rgba(92,124,250,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 760px;
  padding: clamp(48px, 6vw, 80px) var(--safe-pad) clamp(48px, 5vw, 72px);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(92,124,250,0.14);
  border: 1px solid rgba(92,124,250,0.35);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 26px;
  backdrop-filter: blur(6px);
}
.hero-badge i {
  color: var(--accent-cyan);
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.22;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  margin-bottom: 18px;
}
.hero-title .grad-text {
  background: linear-gradient(90deg, var(--accent-cyan), var(--brand-primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: clamp(0.98rem, 1.4vw, 1.15rem);
  color: var(--text-body);
  line-height: 1.85;
  max-width: 640px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 11px 28px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  border: none;
  transition: all 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn:focus-visible { outline: 2px solid var(--accent-cyan); outline-offset: 3px; }
.btn-primary-g {
  background: linear-gradient(135deg, var(--brand-primary), var(--accent-purple));
  color: #fff;
  box-shadow: var(--shadow-btn), 0 4px 18px rgba(92,124,250,0.24);
}
.btn-primary-g:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(92,124,250,0.35), 0 4px 20px rgba(51,230,255,0.16);
  color: #fff;
  filter: brightness(1.06);
}
.btn-primary-g:active { transform: scale(0.98); }
.btn-ghost-g {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}
.btn-ghost-g:hover {
  border-color: var(--accent-cyan);
  background: rgba(51,230,255,0.08);
  color: var(--text-primary);
  transform: translateY(-2px);
}
.btn-ghost-g:active { transform: scale(0.98); }
.btn-light-solid {
  background: #fff;
  color: #0B0F1E;
}
.btn-light-solid:hover { background: #E6FBFF; color: #0B0F1E; transform: translateY(-2px); }

/* Hero right glass card (floating on hero) */
.hero-side {
  position: absolute;
  right: clamp(30px, 5vw, 90px);
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
  z-index: 3;
  display: block;
}
.hero-float-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 75%);
  border: 1px solid rgba(235,245,255,0.16);
  border-radius: var(--radius-card);
  padding: 24px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-card);
}
.hero-float-card::before {
  content: "";
  display: block;
  height: 2px;
  width: 48px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
  margin-bottom: 16px;
}
.float-title {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}
.float-text { font-size: 12px; color: var(--text-muted); line-height: 1.6; }
.float-list { margin-top: 14px; }
.float-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-body);
  padding: 4px 0;
}
.float-list li i { color: var(--accent-cyan); font-size: 12px; }
.float-btn {
  margin-top: 16px;
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(92,124,250,0.2);
  border: 1px solid rgba(92,124,250,0.3);
  padding: 6px 18px;
  border-radius: 30px;
  transition: all .2s ease;
}
.float-btn:hover {
  background: rgba(92,124,250,0.4);
  color: #fff;
  border-color: rgba(92,124,250,0.6);
}

/* ====== Section base ====== */
.section {
  padding: calc(var(--section-gap)) var(--safe-pad);
}
.section-header {
  margin-bottom: clamp(32px, 5vw, 52px);
  display: flex;
  flex-direction: column;
}
.section-header .sec-kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-header .sec-kicker::before {
  content: "";
  display: block;
  width: 28px; height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
}
.section-header .sec-title {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-header .sec-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.8;
}
.section-header.center { align-items: center; text-align: center; }
.section-header.center .sec-desc { margin-left: auto; margin-right: auto; }

/* ====== Services ====== */
.services-section {
  background: linear-gradient(180deg, rgba(8,12,26,0.5) 0%, transparent 80%);
}
.services-wrap {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) 2fr;
  gap: clamp(28px, 4vw, 72px);
}
.services-intro {
  position: sticky;
  top: 32px;
  align-self: start;
}
.services-intro h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 18px;
}
.services-intro p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 24px;
}
.services-intro .link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
}
.service-list { display: flex; flex-direction: column; }
.service-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 22px;
  padding: 28px 18px 28px 4px;
  border-bottom: 1px solid rgba(235,245,255,0.07);
  transition: background 0.2s ease, padding-left 0.2s ease;
  border-radius: 12px;
}
.service-item:last-child { border-bottom: none; }
.service-item:hover {
  background: rgba(235,245,255,0.03);
  padding-left: 12px;
}
.service-num {
  font-size: 16px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--brand-primary);
  line-height: 1.4;
}
.service-item:hover .service-num {
  -webkit-text-stroke-color: var(--accent-cyan);
}
.service-main { min-width: 0; }
.service-main h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.service-main h3 i {
  width: 22px;
  color: var(--accent-cyan);
  font-size: 16px;
  text-align: center;
}
.service-main p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
}
.link-line {
  display: inline-block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--brand-primary);
  font-weight: 600;
}
.link-line:hover { color: var(--accent-cyan); }

/* ====== Data band ====== */
.data-band {
  background: linear-gradient(90deg, rgba(92,124,250,0.08), rgba(9,13,28,0.6), rgba(139,108,246,0.08)),
              url('/assets/images/backpic/back-2.webp') center/cover fixed no-repeat;
  border-top: 1px solid rgba(235,245,255,0.08);
  border-bottom: 1px solid rgba(235,245,255,0.08);
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 48px 0;
}
.data-cell {
  text-align: center;
  padding: 16px 8px;
  border-right: 1px solid rgba(235,245,255,0.08);
}
.data-cell:last-child { border-right: none; }
.data-num {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: var(--accent-cyan);
  text-shadow: 0 0 28px rgba(51,230,255,0.25);
  line-height: 1.1;
  white-space: nowrap;
}
.data-num span { font-size: 0.45em; font-weight: 600; margin-left: 3px; color: var(--text-body); }
.data-label {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 14px;
}
.data-suffix { font-size: 0.55em; color: var(--text-body); font-weight: 400; margin-left: 2px; }

/* ====== Showcase / Official dynamic ====== */
.showcase-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(24px, 3vw, 48px);
}
.showcase-main-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  min-height: 360px;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(20deg, rgba(8,12,26,0.6) 0%, transparent 70%), url('/assets/images/coverpic/cover-1.webp') center/cover;
}
.showcase-main-card:hover { border-color: rgba(235,245,255,0.3); }
.showcase-main-body {
  padding: 28px;
  background: linear-gradient(0deg, rgba(6,9,22,0.92) 0%, transparent 100%);
  width: 100%;
}
.showcase-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  background: rgba(92,124,250,0.3);
  border: 1px solid rgba(92,124,250,0.4);
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.showcase-main-body h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.showcase-main-body p {
  font-size: 14px;
  color: rgba(226,234,248,0.9);
  line-height: 1.7;
  margin-bottom: 16px;
}
.showcase-side-list { display: flex; flex-direction: column; gap: 14px; }
.showcase-side-item {
  display: flex;
  gap: 16px;
  background: var(--card-gradient);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 18px;
  align-items: center;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.showcase-side-item:hover {
  border-color: rgba(51,230,255,0.35);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(2,6,23,0.45);
}
.showcase-side-thumb {
  width: 84px; height: 64px;
  border-radius: 10px;
  flex-shrink: 0;
  background-size: cover; background-position: center;
}
.showcase-side-info h4 {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.5;
}
.showcase-side-info p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.showcase-bottom-row { margin-top: 22px; padding-top: 22px; border-top: 1px solid rgba(235,245,255,0.06); }
.showcase-bottom-row p {
  font-size: 13px; color: var(--text-muted); line-height: 1.7; padding: 0 12px;
}

/* ====== News / CMS ====== */
.news-section {
  background: rgba(5, 9, 18, 0.35);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(18px, 2vw, 28px);
}
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--card-gradient);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  position: relative;
}
.news-card:hover {
  border-color: rgba(51,230,255,0.3);
  box-shadow: 0 24px 50px rgba(2,6,23,0.5);
  transform: translateY(-4px);
}
.news-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent 60%);
  opacity: 0;
  transition: opacity .3s ease;
}
.news-card:hover::before { opacity: 1; }
.news-thumb {
  display: block;
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: var(--bg-mid);
}
.news-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 22px 20px;
}
.news-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.news-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(51,230,255,0.15);
  border: 1px solid rgba(51,230,255,0.3);
  padding: 2px 12px;
  border-radius: 30px;
  white-space: nowrap;
}
.news-time {
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-title {
  font-size: 1.2rem;
  line-height: 1.45;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  transition: color .2s ease;
}
a.news-title-link:hover .news-title { color: var(--accent-cyan); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: auto;
}
.news-more i {
  color: var(--brand-primary);
  transition: transform .2s ease;
}
a.news-title-link:hover .news-more i { transform: translateX(4px); }
.empty-list-tip {
  grid-column: 1 / -1;
  border: 1px dashed rgba(235,245,255,0.22);
  border-radius: var(--radius-card);
  padding: 48px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  background: rgba(235,245,255,0.02);
}
.empty-list-tip i {
  display: block;
  font-size: 28px;
  margin-bottom: 12px;
  color: var(--text-muted);
  opacity: 0.5;
}

/* ====== Guide / Solution ====== */
.guide-section { background: rgba(9,12,28,0.4); }
.guide-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(30px, 4vw, 60px);
}
.guide-tabs {
  list-style: none;
}
.guide-tab-item { margin-bottom: 8px; }
.guide-tab-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--card-gradient);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 14px 20px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text-body);
  transition: all .2s ease;
}
.guide-tab-btn .num {
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-right: 10px;
  opacity: 0.8;
}
.guide-tab-btn:hover {
  background: rgba(235,245,255,0.07);
  border-color: rgba(235,245,255,0.3);
  color: var(--text-primary);
}
.guide-tab-btn.active {
  background: linear-gradient(90deg, rgba(92,124,250,0.18), rgba(139,108,246,0.1));
  border-color: rgba(92,124,250,0.5);
  color: var(--text-primary);
}
.guide-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.015) 70%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: clamp(24px, 3vw, 32px);
}
.guide-panel h3 {
  font-size: 1.4rem;
  margin-bottom: 14px;
}
.guide-panel .g-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}
.steps-wrap { position: relative; }
.step-row {
  display: flex;
  gap: 16px;
  margin-bottom: 0;
}
.step-col {
  padding-left: 30px;
  position: relative;
}
.step-dot {
  position: absolute;
  left: 0; top: 2px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 10px rgba(51,230,255,0.4);
}
.step-line {
  position: absolute;
  left: 5px; top: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), transparent);
  opacity: 0.25;
}
.steps-wrap .step-row:last-child .step-line { display: none; }
.step-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.step-content p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ====== FAQ ====== */
.faq-section {
  background: rgba(5, 8, 18, 0.2);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-gradient);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .2s ease;
}
.faq-item.open {
  border-color: rgba(51,230,255,0.4);
}
.faq-header-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: background .2s ease, color .2s ease;
}
.faq-header-btn:hover { background: rgba(235,245,255,0.03); color: #fff; }
.faq-header-btn .faq-icon {
  position: relative;
  width: 26px; height: 26px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid rgba(235,245,255,0.3);
  transition: transform .3s ease, border-color .3s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--accent-cyan); }
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after { background: var(--accent-cyan); }
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-muted);
  transition: background .2s ease;
}
.faq-icon::before { top: 50%; left: 7px; right: 7px; height: 1.5px; transform: translateY(-50%); }
.faq-icon::after { left: 50%; top: 7px; bottom: 7px; width: 1.5px; transform: translateX(-50%); }
.faq-body {
  display: none;
  padding: 0 22px 20px;
}
.faq-item.open .faq-body { display: block; }
.faq-body p {
  color: var(--text-body);
  font-size: 14.5px;
  line-height: 1.85;
}
.faq-body p:last-child { margin-bottom: 0; }

/* ====== Contact ====== */
.contact-section {
  position: relative;
}
.contact-glass {
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.01) 78%);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.contact-left {
  padding: clamp(30px, 4vw, 50px);
  background: rgba(92,124,250,0.05);
  border-right: 1px solid rgba(235,245,255,0.08);
}
.contact-left h2 {
  font-size: 1.55rem;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.contact-left > p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 28px;
}
.contact-methods { display: flex; flex-direction: column; gap: 20px; }
.contact-method {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-method .c-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(92,124,250,0.2);
  border: 1px solid rgba(92,124,250,0.3);
  color: var(--accent-cyan);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
}
.contact-method .cm-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}
.contact-method .cm-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.contact-method .cm-link {
  font-size: 13px;
  color: var(--brand-primary);
  font-weight: 600;
}
.contact-method .cm-link:hover { color: var(--accent-cyan); }
.contact-right {
  padding: clamp(30px, 4vw, 50px);
}
.contact-right h3 {
  font-size: 1.3rem;
  margin-bottom: 22px;
}
.contact-form label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: block;
}
.contact-form .form-control {
  width: 100%;
  height: 46px;
  background: rgba(4,8,18,0.6);
  border: 1px solid rgba(235,245,255,0.14);
  border-radius: 10px;
  color: var(--text-primary);
  padding: 10px 14px;
  font-size: 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
  margin-bottom: 18px;
}
.contact-form textarea.form-control { height: auto; min-height: 120px; resize: vertical; }
.contact-form .form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(51,230,255,0.12);
}
.contact-form .form-control::placeholder { color: #465878; }
.form-tip {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 10px;
}

/* ====== CTA ====== */
.cta-strip {
  background: linear-gradient(90deg, rgba(92,124,250,0.15), rgba(139,108,246,0.11));
  border: 1px solid rgba(92,124,250,0.3);
  border-radius: 24px;
  margin: 0 var(--safe-pad) var(--section-gap);
  padding: clamp(30px, 5vw, 54px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: "";
  position: absolute;
  top: -60px; left: 10%;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51,230,255,0.1), transparent 70%);
}
.cta-strip::after {
  content: "";
  position: absolute;
  bottom: -80px; right: 5%;
  width: 300px; height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,108,246,0.15), transparent 70%);
}
.cta-strip h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  margin-bottom: 12px;
  position: relative; z-index: 1;
}
.cta-strip p {
  color: var(--text-body);
  font-size: 15px;
  max-width: 580px;
  margin: 0 auto 26px;
  position: relative; z-index: 1;
}
.cta-strip .cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative; z-index: 1;
}

/* ====== Footer ====== */
.footer {
  margin-left: var(--sidebar-width);
  background: rgba(3, 6, 16, 0.92);
  border-top: 1px solid rgba(235,245,255,0.08);
  padding: clamp(40px, 5vw, 64px) var(--safe-pad) 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand .fb-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color .2s ease, padding-left .1s ease;
}
.footer-col ul a:hover {
  color: var(--accent-cyan);
  padding-left: 5px;
}
.footer-contacts li {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.footer-contacts li i {
  width: 22px;
  color: var(--brand-primary);
}
.footer-bottom {
  border-top: 1px solid rgba(235,245,255,0.06);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}
.footer-bottom .legal-links {
  display: flex;
  gap: 18px;
}
.footer-bottom .legal-links a {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .legal-links a:hover { color: var(--accent-cyan); }

/* ====== Focus-visible global ====== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(51, 230, 255, 0.1);
}
.dropdown-menu {
  background: #0C1224;
  border: 1px solid rgba(235,245,255,0.1);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}
.dropdown-item { color: var(--text-body); font-size: 14px; padding: 9px 18px; }
.dropdown-item:hover { background: rgba(92,124,250,0.15); color: #fff; }
.accordion-button {
  background: transparent !important;
  color: var(--text-primary) !important;
  box-shadow: none !important;
}

/* ====== Responsive ====== */
@media (max-width: 1199.98px) {
  :root { --sidebar-width: 240px; }
  .hero-side {
    display: none;
  }
  .showcase-wrap {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 991.98px) {
  :root { --sidebar-width: 0px; }
  .sidebar { display: none; }
  .mobile-topbar { display: flex; }
  .main-content { margin-left: 0; padding-top: 62px; }
  .footer { margin-left: 0; }
  .services-wrap {
    grid-template-columns: 1fr;
  }
  .services-intro { position: static; }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-cell:nth-child(2) { border-right: none; }
  .data-cell:nth-child(n+3) { border-top: 1px solid rgba(235,245,255,0.06); }
  .guide-layout {
    grid-template-columns: 1fr;
  }
  .contact-glass {
    grid-template-columns: 1fr;
  }
  .contact-left {
    border-right: none;
    border-bottom: 1px solid rgba(235,245,255,0.08);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 767.98px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hero-section { min-height: auto; padding: 40px 0 30px; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 44px 18px; }
  .data-band { background-attachment: scroll; }
  .showcase-main-card { min-height: 280px; }
}
@media (max-width: 575.98px) {
  :root { --safe-pad: 14px; }
  .section { padding-left: 16px; padding-right: 16px; }
  .data-grid { grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .data-num { font-size: 1.6rem; }
  .faq-header-btn { padding: 14px 16px; font-size: 14.5px; }
  .faq-body { padding: 0 16px 16px; }
  .service-list li { padding: 18px 12px; gap: 12px; }
  .footer { padding-left: 16px; padding-right: 16px; }
  .cta-strip { margin-left: 8px; margin-right: 8px; padding: 24px 16px; }
}

/* roulang page: article */
:root {
  --bg-deep: #0B0F1E;
  --bg-elev: #0A1326;
  --brand: #5C7CFA;
  --cyan: #33E6FF;
  --violet: #8B6CF6;
  --text-main: #F2F5FF;
  --text-body: rgba(222, 230, 245, 0.92);
  --text-weak: #8295B5;
  --line: rgba(235, 245, 255, 0.14);
  --card-light: rgba(255, 255, 255, 0.08);
  --shadow-xl: 0 24px 60px rgba(2, 6, 23, 0.55);
  --radius-xl: 20px;
  --radius-md: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  background: radial-gradient(900px 500px at 88% -5%, rgba(51, 230, 255, 0.07), transparent 60%), radial-gradient(1000px 620px at 12% 110%, rgba(139, 108, 246, 0.08), transparent 60%), var(--bg-deep);
  color: var(--text-body);
  line-height: 1.75;
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

a:hover {
  color: #8ff2ff;
}

img {
  max-width: 100%;
}

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

:focus-visible {
  outline: 2px solid rgba(51, 230, 255, 0.9);
  outline-offset: 3px;
}

body.menu-open {
  overflow: hidden;
}

.main-wrap {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  width: 100%;
}

.container {
  max-width: 1200px;
  padding-left: 28px;
  padding-right: 28px;
}

/* ===== Sidebar ===== */
.side-shell {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 260px;
  z-index: 1045;
  background: linear-gradient(180deg, rgba(12, 18, 36, 0.92), rgba(7, 12, 25, 0.94)), rgba(9, 15, 31, 0.88);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  padding: 26px 20px 18px;
  overflow-y: auto;
}

.side-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0, rgba(255,255,255,0.008) 1px, transparent 2px);
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 2;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 2px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: linear-gradient(135deg, #5C7CFA 0%, #8B6CF6 55%, #33E6FF 130%);
  box-shadow: 0 0 18px rgba(92, 124, 250, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.brand-text {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.sidebar-nav {
  flex: 1;
  padding-top: 24px;
}

.nav-section-label {
  font-size: 12px;
  color: #5e719c;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-left: 12px;
  font-weight: 700;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-list li a {
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(210, 222, 240, 0.78);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 13px;
  border-radius: 12px;
  border-left: 2px solid transparent;
  background: transparent;
  transition: all 0.24s ease;
}

.nav-list li a i {
  width: 19px;
  text-align: center;
  font-size: 15px;
  color: rgba(130, 149, 181, 0.98);
  transition: color 0.24s ease;
}

.nav-list li a:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  border-left-color: rgba(51, 230, 255, 0.6);
  transform: translateX(2px);
}

.nav-list li a.active {
  background: linear-gradient(90deg, rgba(92, 124, 250, 0.18), rgba(92, 124, 250, 0.03));
  color: #ffffff;
  border-left-color: var(--cyan);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.nav-list li a.active i {
  color: var(--cyan);
}

.sidebar-status {
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(92, 124, 250, 0.18), rgba(139, 108, 246, 0.08));
  border: 1px solid rgba(255,255,255,0.08);
  padding: 14px 16px;
  margin-top: 18px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(220, 228, 245, 0.75);
  font-size: 12px;
  line-height: 1.6;
}

.sidebar-status i {
  color: var(--cyan);
  margin-top: 3px;
}

/* Mobile header */
.mobile-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  z-index: 1040;
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0 17px;
  background: rgba(8, 13, 27, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.menu-trigger {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 11px;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  cursor: pointer;
  transition: all 0.2s;
}

.menu-trigger:hover {
  border-color: rgba(51, 230, 255, 0.5);
  color: var(--cyan);
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
}

.mobile-brand .brand-logo {
  width: 34px;
  height: 34px;
  font-size: 11px;
  border-radius: 9px;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 1041;
  background: rgba(4, 7, 15, 0.72);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

body.menu-open .sidebar-overlay {
  opacity: 1;
  visibility: visible;
}

/* ===== Shared buttons ===== */
.btn {
  border-radius: var(--radius-md);
  font-weight: 700;
  padding: 12px 22px;
  font-size: 15px;
  border: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
}

.btn-primary-brand {
  background: linear-gradient(135deg, #5C7CFA, #7B6DFA);
  color: #fff;
  box-shadow: 0 8px 28px rgba(51, 230, 255, 0.14), 0 3px 12px rgba(92, 124, 250, 0.28);
}

.btn-primary-brand:hover {
  color: #fff;
  box-shadow: 0 10px 34px rgba(51, 230, 255, 0.25), 0 4px 18px rgba(92, 124, 250, 0.4);
  transform: translateY(-2px);
}

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

.btn-outline-glass {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(240, 246, 255, 0.92);
  backdrop-filter: blur(10px);
}

.btn-outline-glass:hover {
  border-color: rgba(51, 230, 255, 0.6);
  color: #fff;
  background: rgba(51, 230, 255, 0.08);
  transform: translateY(-2px);
}

/* ===== Article head banner ===== */
.article-masthead {
  position: relative;
  background-size: cover;
  background-position: center 35%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: flex-end;
}

.masthead-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 11, 23, 0.92) 0%, rgba(7, 11, 23, 0.76) 45%, rgba(10, 19, 38, 0.71) 100%);
}

.masthead-inner {
  position: relative;
  z-index: 2;
  padding: 62px 28px 54px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 13px;
}

.breadcrumb a {
  color: rgba(200, 214, 235, 0.7);
}

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

.breadcrumb i {
  font-size: 11px;
  color: rgba(150, 166, 192, 0.7);
  margin: 0 2px;
}

.bc-current {
  color: rgba(210, 224, 245, 0.9);
  max-width: 520px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
}

/* ===== Article content ===== */
.article-section {
  padding: 72px 24px;
}

.article-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.article-head {
  margin-bottom: 32px;
}

.article-head h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.article-meta-item {
  font-size: 13px;
  color: var(--text-weak);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 30px;
  padding: 5px 14px;
}

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

.article-meta-item .meta-cat {
  color: rgba(240, 245, 255, 0.85);
}

.article-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.065), rgba(255,255,255,0.018));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 44px 50px;
}

.cms-content {
  font-size: 16.5px;
  color: var(--text-body);
  word-break: break-word;
}

.cms-content > *:first-child {
  margin-top: 0;
}

.cms-content > *:last-child {
  margin-bottom: 0;
}

.cms-content p {
  margin: 0 0 22px;
}

.cms-content h2 {
  font-size: 1.55rem;
  font-weight: 800;
  color: #FFFFFF;
  margin: 34px 0 16px;
  line-height: 1.4;
}

.cms-content h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #E7EEFF;
  margin: 28px 0 13px;
}

.cms-content h4 {
  font-size: 1.05rem;
  color: #D7E1F5;
  font-weight: 700;
  margin: 22px 0 10px;
}

.cms-content ul,
.cms-content ol {
  padding-left: 1.4rem;
  margin: 0 0 24px;
}

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

.cms-content blockquote {
  border-left: 3px solid var(--cyan);
  background: rgba(92, 124, 250, 0.1);
  color: rgba(220, 230, 250, 0.9);
  border-radius: 0 14px 14px 0;
  padding: 18px 24px;
  margin: 28px 0;
}

.cms-content a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(51,230,255,0.3);
}

.cms-content a:hover {
  color: #9ff3ff;
  border-bottom-color: #9ff3ff;
}

.cms-content img {
  border-radius: 16px;
  height: auto;
  margin: 28px 0;
}

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

.cms-content table th,
.cms-content table td {
  border: 1px solid rgba(255,255,255,0.09);
  padding: 12px 14px;
}

.cms-content table th {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

/* Not found */
.not-found {
  max-width: 700px;
  margin: 90px auto;
  background: linear-gradient(150deg, rgba(255,255,255,0.06), rgba(255,255,255,0.015));
  border: 1px dashed rgba(255,255,255,.2);
  border-radius: 22px;
  text-align: center;
  padding: 68px 30px;
}

.not-found i {
  font-size: 58px;
  color: rgba(130, 149, 181, 0.55);
  display: block;
  margin-bottom: 22px;
}

.not-found h2 {
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
}

/* ===== Related ===== */
.related-section {
  padding: 20px 28px 84px;
}

.related-caption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
}

.related-caption h3 {
  font-size: 22px;
  color: #fff;
  font-weight: 800;
  margin: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.related-card {
  position: relative;
  min-height: 160px;
  border-radius: 18px;
  overflow: hidden;
  background-color: rgba(9, 16, 31, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: flex-end;
  padding: 25px;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.related-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 19, 38, 0.92) 0%, rgba(10, 19, 38, 0.45) 75%, rgba(8, 14, 27, 0.15) 100%);
  pointer-events: none;
}

.related-card .rel-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 40%;
}

.related-card .rc-inner {
  position: relative;
  z-index: 2;
  color: #fff;
}

.related-card .rc-inner h4 {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 10px;
  color: #fff;
}

.related-card .rc-inner p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(214, 225, 245, 0.75);
  max-width: 360px;
  margin-bottom: 6px;
}

.related-card .rc-inner .more-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}

.related-card:hover {
  border-color: rgba(51, 230, 255, 0.35);
  box-shadow: 0 16px 40px rgba(2, 6, 23, 0.5);
  transform: translateY(-3px);
}

/* ===== CTA panel ===== */
.cta-panel {
  position: relative;
  margin: 10px 28px 80px;
  border-radius: 24px;
  overflow: hidden;
  min-height: 210px;
  display: flex;
  align-items: center;
  background-color: rgba(9, 16, 31, 0.75);
  border: 1px solid rgba(255,255,255,0.1);
}

.cta-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 65%;
}

.cta-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(6, 11, 23, 0.93) 0%, rgba(11, 18, 35, 0.68) 60%, rgba(18, 28, 50, 0.55) 100%);
}

.cta-inner {
  position: relative;
  z-index: 2;
  padding: 34px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  width: 100%;
}

.cta-inner h3 {
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 10px;
}

.cta-inner p {
  margin: 0;
  color: rgba(214, 225, 245, 0.72);
  font-size: 14.5px;
}

/* ===== Footer ===== */
.footer {
  background: rgba(5, 9, 18, 0.92);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 60px 28px 24px;
  color: #8191ac;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 36px;
  max-width: 1140px;
  margin: 0 auto;
}

.footer-grid .fb-label {
  font-weight: 800;
  font-size: 19px;
}

.footer-brand p {
  margin-top: 10px;
  max-width: 320px;
  line-height: 1.8;
  font-size: 14px;
}

.footer h4 {
  color: rgba(235, 242, 255, 0.95);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 16px;
}

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

.footer-col ul li {
  margin-bottom: 12px;
  font-size: 14px;
}

.footer-col ul a {
  color: #8191ac;
  transition: all 0.2s ease;
}

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

.footer-contacts li {
  color: #8191ac;
  display: flex;
  gap: 9px;
  align-items: center;
}

.footer-contacts i {
  color: rgba(51, 230, 255, 0.8);
  font-size: 13px;
}

.footer-bottom {
  max-width: 1140px;
  margin: 42px auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

.legal-links {
  display: flex;
  gap: 18px;
}

.legal-links a {
  color: #687b9b;
}

.legal-links a:hover {
  color: var(--cyan);
}

/* ===== Responsive ===== */
@media (min-width: 992px) {
  .mobile-header {
    display: none !important;
  }
}

@media (max-width: 991.98px) {
  .side-shell {
    width: 280px;
    transform: translateX(-100%);
    transition: transform 0.32s ease;
  }

  body.menu-open .side-shell {
    transform: none;
    box-shadow: 20px 0 60px rgba(0,0,0,0.4);
  }

  .main-wrap {
    margin-left: 0;
  }

  .mobile-header {
    display: flex;
  }

  .main-content,
  .article-section,
  .related-caption,
  .related-grid,
  .cta-panel {
    padding-left: 0;
    padding-right: 0;
  }

  .masthead-inner {
    padding: 80px 18px 36px;
  }

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

  .related-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .cta-panel {
    margin: 10px 0 48px;
  }
}

@media (max-width: 767.98px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .article-masthead {
    min-height: 250px;
  }

  .article-section {
    padding: 48px 10px;
  }

  .article-card {
    padding: 24px 18px;
  }

  .article-meta {
    gap: 8px;
  }

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

  .related-card {
    min-height: 130px;
  }

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

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

@media (max-width: 575.98px) {
  .footer {
    padding: 42px 20px 22px;
  }

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

  .footer-brand p {
    max-width: 100%;
  }

  .masthead-inner {
    padding: 63px 15px 28px;
  }

  .bc-current {
    max-width: 180px;
  }

  .related-card {
    min-height: 152px;
  }

  .text-sm-hidden {
    display: none;
  }
}

/* roulang page: category2 */
/* ===== CSS 设计变量 ===== */
        :root {
            --bg-deep: #0B0F1E;
            --bg-secondary: #0A1326;
            --card-start: rgba(255, 255, 255, 0.1);
            --card-end: rgba(255, 255, 255, 0.02);
            --border-light: rgba(235, 245, 255, 0.14);
            --border-hover: rgba(51, 230, 255, 0.45);
            --brand-primary: #5C7CFA;
            --brand-ice: #33E6FF;
            --brand-purple: #8B6CF6;
            --error: #FF5D73;
            --success: #18C29C;
            --warn: #FFB020;
            --text-main: #F2F5FF;
            --text-body: rgba(222, 230, 245, 0.9);
            --text-mute: #8295B5;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-control: 10px;
            --shadow-card: 0 20px 50px rgba(2, 6, 23, 0.5);
            --shadow-ice: 0 0 22px rgba(51, 230, 255, 0.25), 0 0 44px rgba(51, 230, 255, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg-secondary);
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-body);
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--text-main); line-height: 1.3; }
        a { color: var(--brand-ice); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: #9df0ff; }
        img { max-width: 100%; display: block; }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
            outline: 2px solid var(--brand-ice);
            outline-offset: 3px;
        }
        ul { list-style: none; }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar { width: 7px; height: 7px; }
        ::-webkit-scrollbar-track { background: rgba(10, 19, 38, 0.6); }
        ::-webkit-scrollbar-thumb { background: rgba(92, 124, 250, 0.5); border-radius: 20px; }

        /* ===== 背景径向光晕 ===== */
        .bg-aurora {
            background:
                radial-gradient(circle at 15% 10%, rgba(92, 124, 250, 0.15), transparent 35%),
                radial-gradient(circle at 85% 5%, rgba(139, 108, 246, 0.12), transparent 30%),
                radial-gradient(circle at 60% 80%, rgba(51, 230, 255, 0.06), transparent 35%),
                linear-gradient(135deg, #0B0F1E 0%, #0A1326 65%, #0b1424 100%);
        }

        /* ===== 左侧 App Shell ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 260px;
            height: 100vh;
            background: rgba(6, 12, 25, 0.84);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-right: 1px solid rgba(235, 245, 255, 0.12);
            display: flex;
            flex-direction: column;
            padding: 24px 18px;
            z-index: 1060;
            transition: transform 0.3s ease;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 36px;
            padding-left: 8px;
        }
        .brand-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-purple));
            font-weight: 900;
            font-size: 17px;
            color: #fff;
            letter-spacing: 0.3px;
            box-shadow: 0 8px 22px rgba(92, 124, 250, 0.3);
        }
        .brand-name { font-weight: 800; font-size: 20px; color: #fff; line-height: 1.2; }

        .sidebar-nav { flex: 1; overflow-y: auto; }
        .nav-section-label {
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 14px;
            padding-left: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .nav-list { display: flex; flex-direction: column; gap: 6px; }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 16px;
            font-size: 15px;
            color: rgba(233, 239, 255, 0.9);
            border-radius: 12px;
            border-left: 2px solid transparent;
            transition: all 0.2s ease;
            background: transparent;
            font-weight: 500;
            letter-spacing: 0.2px;
        }
        .nav-list li a i {
            width: 20px;
            font-size: 17px;
            color: var(--text-mute);
            transition: color 0.2s ease;
        }
        .nav-list li a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
        }
        .nav-list li a.active {
            border-left: 2px solid var(--brand-ice);
            background: linear-gradient(90deg, rgba(92, 124, 250, 0.18), rgba(92, 124, 250, 0.02));
            color: #fff;
        }
        .nav-list li a.active i { color: var(--brand-ice); }
        .sidebar-card {
            margin-top: 20px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.01));
            border: 1px solid rgba(235, 245, 255, 0.12);
            border-radius: 15px;
            padding: 18px 18px 15px;
            font-size: 13.5px;
            color: var(--text-body);
            line-height: 1.5;
            pointer-events: none;
        }
        .sidebar-card i { color: var(--brand-ice); margin-right: 6px; }

        /* ===== 移动端 Topbar ===== */
        .app-topbar {
            position: sticky;
            top: 0;
            z-index: 1080;
            display: none;
            align-items: center;
            justify-content: space-between;
            height: 66px;
            padding: 0 22px;
            background: rgba(8, 13, 30, 0.88);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(235, 245, 255, 0.14);
        }
        .topbar-left { display: flex; align-items: center; gap: 12px; }
        .topbar-brand { font-weight: 800; font-size: 18px; color: #fff; letter-spacing: 0.2px; }
        .drawer-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(3, 7, 18, 0.55);
            backdrop-filter: blur(3px);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 1100;
        }
        .drawer-backdrop.show {
            opacity: 1;
            visibility: visible;
        }
        .drawer-open-btn {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 12px;
            color: var(--text-main);
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .drawer-close {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-mute);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Main layout ===== */
        .main-content {
            margin-left: 260px;
            width: auto;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-main { flex: 1; overflow: hidden; }

        /* ===== Container ===== */
        .site-container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .site-container-narrow {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 按钮系统 ===== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 13px 28px;
            font-size: 16px;
            transition: all 0.22s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1;
            min-height: 46px;
        }
        .btn-ice {
            background: linear-gradient(145deg, var(--brand-primary), #405ADB);
            color: #fff;
            box-shadow: 0 10px 34px rgba(92, 124, 250, 0.3);
        }
        .btn-ice:hover {
            background: linear-gradient(145deg, #6e8bff, #4d6af0);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(92, 124, 250, 0.35);
        }
        .btn-ice:active {
            transform: scale(0.98);
        }
        .btn-ghost {
            background: transparent;
            border-color: rgba(255,255,255,0.22);
            color: #fff;
        }
        .btn-ghost:hover {
            border-color: rgba(51, 230, 255, 0.6);
            background: rgba(51, 230, 255, 0.04);
            color: var(--brand-ice);
            transform: translateY(-2px);
        }
        .btn-ghost:active { transform: scale(0.98); }

        /* ===== 卡片 + 玻璃层 ===== */
        .glass-card {
            background: linear-gradient(155deg, var(--card-start), var(--card-end));
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
        }

        /* ===== Hero ===== */
        .security-hero {
            position: relative;
            min-height: 440px;
            padding: 120px 0 100px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }
        .security-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(90deg, rgba(8, 13, 30, 0.94) 0%, rgba(8, 13, 30, 0.75) 60%, rgba(8, 13, 30, 0.5) 100%);
        }
        .security-hero .container { z-index: 2; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 16px;
            background: rgba(51, 230, 255, 0.12);
            border: 1px solid rgba(51, 230, 255, 0.24);
            color: var(--brand-ice);
            font-size: 14px;
            border-radius: 30px;
            margin-bottom: 24px;
        }
        .security-hero h1 {
            font-size: clamp(2.2rem, 4.8vw, 3.8rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.8px;
            margin-bottom: 20px;
            color: #fff;
        }
        .security-hero p {
            font-size: 17px;
            max-width: 640px;
            color: rgba(222, 230, 245, 0.88);
        }
        .hero-actions {
            margin-top: 34px;
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        /* ===== 板块标题 ===== */
        .cate-layout { margin-top: -34px; }
        .section-head h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            letter-spacing: 0.2px;
        }
        .section-head .sec-sub { 
            color: var(--text-mute);
            font-size: 15px;
            max-width: 600px;
        }

        /* ===== 页面主体 ===== */
        .page-main { padding: 70px 0 100px; }
        .main-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .article-body-card {
            display: block;
            border-radius: 20px;
            background: linear-gradient(155deg, rgba(255,255,255,0.09), rgba(255,255,255,0.02));
            border: 1px solid rgba(235,245,255,0.13);
            padding: 36px;
            margin-bottom: 28px;
        }
        .article-body-card .ic-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 18px;
        }
        .article-body-card .ic-title i { color: var(--brand-ice); font-size: 25px; }
        .article-body-card p {
            margin-bottom: 16px;
            font-size: 16px;
        }

        .info-row {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(235, 245, 255, 0.08);
        }
        .info-row:last-child { border-bottom: 0; }
        .info-row .inf-icon {
            width: 36px;
            min-width: 36px;
            height: 36px;
            border-radius: 9px;
            background: rgba(92,124,250,0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand-ice);
        }
        .info-row .inf-tx strong { font-weight: 700; color: var(--text-main); font-size: 16px; }
        .info-row .inf-tx p { margin: 2px 0 0; color: var(--text-mute); font-size: 14.5px; }

        /* ===== 右侧 sticky ===== */
        .aside-sticky { position: sticky; top: 28px; display: flex; flex-direction: column; gap: 24px; }
        .aside-card {
            background: linear-gradient(155deg, rgba(255,255,255,0.10), rgba(255,255,255,0.01));
            border: 1px solid rgba(235,245,255,0.12);
            border-radius: 18px;
            padding: 24px;
        }
        .aside-card h3 {
            font-size: 18px;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .aside-card h3 i { color: var(--brand-ice); }
        .jump-list { display: flex; flex-direction: column; }
        .jump-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-body);
            font-size: 15px;
            padding: 10px 0;
            border-bottom: 1px dashed rgba(235,245,255,0.08);
        }
        .jump-list a:last-child { border-bottom: 0; }
        .jump-list a i { font-size: 14px; color: var(--brand-ice); }
        .jump-list a:hover { color: #fff; }

        .notice-card {
            border-radius: 18px;
            background: rgba(255, 176, 32, 0.07);
            border: 1px solid rgba(255, 176, 32, 0.2);
            padding: 20px 22px;
            margin-top: 12px;
            color: var(--text-body);
            font-size: 14.5px;
            line-height: 1.6;
        }
        .notice-card i { color: var(--warn); margin-right: 8px; }

        /* ===== 流程步骤条 ===== */
        .flow-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin: 30px 0 10px;
        }
        .flow-step {
            flex: 1 1 200px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(235,245,255,0.12);
            border-radius: 16px;
            padding: 22px 20px;
            position: relative;
        }
        .flow-step .step-num {
            font-size: 25px;
            font-weight: 800;
            background: linear-gradient(145deg, var(--brand-ice), var(--brand-primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: #fff;
            margin-bottom: 10px;
        }
        .flow-step h5 { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
        .flow-step p { font-size: 14px; color: var(--text-mute); margin-bottom: 0; }

        /* ===== tips 面板 ===== */
        .two-col-info {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 25px 0;
        }
        .tip-box {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(235,245,255,0.10);
            border-radius: 16px;
            padding: 22px;
        }
        .tip-box h5 { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
        .tip-box.right h5 { color: var(--error); }
        .tip-box.good h5 { color: var(--success); }
        .tip-box ul li { position: relative; padding-left: 20px; font-size: 15px; margin-bottom: 7px; }
        .tip-box ul li::before {
            content: ''; 
            position: absolute;
            left: 0; top: 11px;
            width: 6px; height: 6px;
            border-radius: 50%;
            background: var(--brand-ice);
        }
        .tip-box.right ul li::before { background: var(--error); }
        .tip-box.good ul li::before { background: var(--success); }

        /* ===== FAQ ===== */
        .faq-block { max-width: 860px; margin-top: 28px; }
        .faq-acc {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(235,245,255,0.13);
            border-radius: 16px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: background 0.2s ease, border-color 0.2s ease;
        }
        .faq-acc.active {
            border-color: rgba(51, 230, 255, 0.3);
        }
        .faq-q {
            background: rgba(255,255,255,0.04);
            width: 100%;
            border: 0;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            cursor: pointer;
        }
        .faq-q .faq-icon {
            transition: transform 0.3s ease;
            color: var(--brand-ice);
            font-size: 18px;
            min-width: 22px;
        }
        .faq-acc.active .faq-icon { transform: rotate(45deg); }
        .faq-a {
            max-height: 0;
            padding: 0 22px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background: transparent;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-acc.active .faq-a {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* ===== CTA区域 ===== */
        .cta-section {
            border-top: 1px solid rgba(235,245,255,0.10);
            background: linear-gradient(180deg, transparent, rgba(92,124,250,0.16));
        }
        .cta-box {
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            border-radius: 28px;
            padding: 66px 50px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(235,245,255,0.14);
        }
        .cta-box::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(155deg, rgba(10,15,34,0.93), rgba(12,18,38,0.88));
            z-index: -1;
        }
        .cta-box h3 { font-size: 28px; margin-bottom: 14px; }
        .cta-box p { max-width: 600px; margin: 0 auto 34px; }

        /* ===== Footer ===== */
        .footer {
            background: #070C1B;
            margin-left: 0;
            border-top: 1px solid rgba(235, 245, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.3fr 1.3fr 1.4fr;
            gap: 50px;
            padding: 70px 32px 45px;
            max-width: 1320px;
            margin: 0 auto;
        }
        .footer-brand p {
            font-size: 14.5px;
            color: #94A7C9;
            max-width: 300px;
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #D9E4FF;
            margin-bottom: 18px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col a {
            color: #94A7C9;
            font-size: 14.5px;
            transition: color 0.2s;
        }
        .footer-col a:hover { color: var(--brand-ice); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 22px 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            max-width: 1320px;
            margin: 0 auto;
        }
        .footer-bottom p { color: #6B7FA3; font-size: 14px; margin: 0; }
        .legal-links { display: flex; gap: 28px; }
        .legal-links a { color: #6B7FA3; font-size: 14px; }
        .legal-links a:hover { color: var(--brand-ice); }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 992px) {
            .app-sidebar { transform: translateX(-100%); }
            .app-topbar { display: flex; }
            .main-content { margin-left: 0; }
            .app-sidebar.open { transform: translateX(0); }
            .main-grid { grid-template-columns: 1fr; gap: 36px; }
            .aside-sticky { position: static; }
            .security-hero { padding: 100px 0 80px; }
            .site-container, .site-container-narrow { padding: 0 24px; }
            .two-col-info { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; gap: 36px; padding-top: 50px; }
            .article-body-card { padding: 24px; }
            .security-hero h1 { font-size: 2.2rem; }
            .cta-box { padding: 45px 25px; }
            .hero-actions { flex-direction: column; align-items: stretch; }
        }
        @media (max-width: 576px) {
            .site-container, .site-container-narrow { padding: 0 18px; }
            .security-hero { min-height: 420px; padding: 86px 0 60px; }
            .article-body-card { padding: 22px 18px; }
            .flow-steps { flex-direction: column; }
            .footer .footer-grid { padding-left: 22px; padding-right: 22px; }
            .footer-bottom { align-items: flex-start; }
        }

/* roulang page: category1 */
:root {
        --bg-deep: #0B0F1E;
        --bg-deep-2: #0A1326;
        --panel-glow: rgba(92, 124, 250, 0.13);
        --primary: #5C7CFA;
        --primary-2: #8B6CF6;
        --accent: #33E6FF;
        --violet: #8B6CF6;
        --text: #F2F5FF;
        --body: rgba(222, 230, 245, .9);
        --muted: #8295B5;
        --border: rgba(235, 245, 255, .14);
        --danger: #FF5D73;
        --success: #18C29C;
        --warning: #FFB020;
        --radius-lg: 20px;
        --radius-md: 12px;
        --radius-sm: 9px;
        --shadow-lg: 0 20px 50px rgba(2, 6, 23, 0.5);
        --shadow-md: 0 12px 32px rgba(2, 9, 31, .35);
        --ease: cubic-bezier(.2, .7, .2, 1);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    html {
        scroll-behavior: smooth;
    }

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

    body {
        margin: 0;
        font-family: var(--font-sans);
        color: var(--text);
        line-height: 1.75;
        background:
            radial-gradient(circle at 12% 8%, rgba(92, 124, 250, .16), transparent 30%),
            radial-gradient(circle at 88% 12%, rgba(139, 108, 246, .11), transparent 26%),
            linear-gradient(165deg, var(--bg-deep) 0%, var(--bg-deep-2) 48%, #080D1B 100%);
        background-attachment: fixed;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }

    img {
        max-width: 100%;
        display: inline-block;
        vertical-align: middle;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    a:hover {
        color: inherit;
    }

    a:focus-visible,
    button:focus-visible,
    .accordion-button:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 3px;
        border-radius: var(--radius-sm);
    }

    ul,
    ol,
    p {
        margin: 0;
        padding: 0;
    }

    li {
        list-style: none;
    }

    .main-content {
        min-height: 100vh;
        margin-left: 260px;
        display: flex;
        flex-direction: column;
        background: transparent;
        position: relative;
    }

    .site-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 260px;
        z-index: 1080;
        padding: 26px 16px 18px;
        display: flex;
        flex-direction: column;
        gap: 20px;
        border-right: 1px solid rgba(235, 245, 255, .09);
        background: rgba(6, 10, 22, .82);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        overflow-y: auto;
        box-shadow: 18px 0 50px rgba(0, 0, 0, .16);
    }

    .brand-panel {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 6px 6px 18px;
        border-bottom: 1px solid rgba(235, 245, 255, .09);
    }

    .brand-logo {
        flex: 0 0 auto;
        width: 46px;
        height: 46px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        font-size: 16px;
        font-weight: 800;
        letter-spacing: .5px;
        color: #fff;
        background: linear-gradient(135deg, var(--primary) 0%, var(--violet) 100%);
        box-shadow: 0 8px 22px rgba(92, 124, 250, .35), inset 0 1px 0 rgba(255, 255, 255, .35);
    }

    .brand-name {
        font-size: 17px;
        font-weight: 800;
        color: #fff;
        line-height: 1.35;
        white-space: nowrap;
    }

    .sidebar-nav {
        display: block;
    }

    .nav-section-label {
        font-size: 12px;
        font-weight: 600;
        letter-spacing: .14em;
        color: rgba(130, 149, 181, .8);
        text-transform: uppercase;
        padding: 6px 12px 12px;
    }

    .nav-list {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    .nav-list a {
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--muted);
        padding: 11px 12px;
        border-radius: 12px;
        font-size: 15px;
        border-left: 2px solid transparent;
        line-height: 1.4;
        transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
    }

    .nav-list a i {
        width: 18px;
        text-align: center;
        font-size: 16px;
        color: var(--muted);
        transition: color .25s var(--ease);
    }

    .nav-list a:hover,
    .nav-list a:focus {
        color: #fff;
        background: rgba(255, 255, 255, .07);
        border-left-color: rgba(51, 230, 255, .6);
    }

    .nav-list a:hover i,
    .nav-list a:focus i {
        color: var(--accent);
    }

    .nav-list a.active {
        color: #fff;
        background: linear-gradient(100deg, rgba(92, 124, 250, .2), rgba(139, 108, 246, .07));
        border-left-color: var(--accent);
        box-shadow: inset 0 0 26px rgba(51, 230, 255, .04);
    }

    .nav-list a.active i {
        color: var(--accent);
    }

    .sidebar-tip {
        margin-top: auto;
        padding: 14px;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: linear-gradient(160deg, rgba(92, 124, 250, .13), rgba(139, 108, 246, .06));
        background-clip: padding-box;
    }

    .sidebar-tip .tip-title {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 6px;
    }

    .sidebar-tip .tip-title i {
        color: var(--accent);
        font-size: 16px;
    }

    .sidebar-tip p {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.7;
        margin-bottom: 10px;
    }

    .sidebar-tip a {
        font-size: 13px;
        color: var(--accent);
        font-weight: 600;
    }

    .mobile-topbar {
        display: none;
    }

    .sidebar-backdrop {
        display: none;
    }

    button,
    input {
        font-family: inherit;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 13px 22px;
        border-radius: 12px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.5;
        border: 0;
        background: transparent;
        color: var(--text);
        text-decoration: none;
        cursor: pointer;
        transition: all .25s var(--ease);
        box-shadow: none;
        white-space: nowrap;
    }

    .btn-official {
        color: #fff;
        background: linear-gradient(135deg, var(--primary), rgba(92, 124, 250, .78) 55%, var(--primary-2));
        box-shadow: 0 10px 28px rgba(92, 124, 250, .32), 0 0 0 1px rgba(255, 255, 255, .08) inset;
    }

    .btn-official:hover {
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 14px 34px rgba(51, 230, 255, .22), 0 0 0 1px rgba(255, 255, 255, .12) inset;
    }

    .btn-official:active {
        transform: scale(.98);
    }

    .btn-ghost {
        color: #fff;
        border: 1px solid rgba(255, 255, 255, .28);
        background: rgba(255, 255, 255, .04);
        backdrop-filter: blur(14px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
    }

    .btn-ghost:hover {
        color: #fff;
        background: rgba(255, 255, 255, .09);
        border-color: rgba(51, 230, 255, .6);
        box-shadow: 0 12px 28px rgba(51, 230, 255, .1);
        transform: translateY(-2px);
    }

    .btn-ghost:active {
        transform: scale(.98);
    }

    .cat-hero {
        position: relative;
        overflow: hidden;
        min-height: 360px;
        display: flex;
        align-items: center;
        padding: 56px clamp(20px, 5vw, 72px) 48px;
        border-bottom: 1px solid rgba(235, 245, 255, .06);
        background:
            linear-gradient(100deg, rgba(6, 11, 25, .96) 0%, rgba(10, 18, 38, .86) 45%, rgba(9, 20, 43, .64) 100%),
            url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }

    .cat-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        pointer-events: none;
        background:
            radial-gradient(circle at 12% 12%, rgba(51, 230, 255, .1), transparent 34%),
            radial-gradient(circle at 92% 18%, rgba(139, 108, 246, .12), transparent 30%);
    }

    .cat-hero .hero-inner {
        position: relative;
        z-index: 2;
        max-width: 1180px;
        width: 100%;
        margin: 0 auto;
    }

    .crumb-nav {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--muted);
        margin-bottom: 26px;
    }

    .crumb-nav a {
        color: var(--muted);
        transition: color .25s;
    }

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

    .crumb-nav .sep {
        opacity: .5;
    }

    .crumb-nav .current {
        color: rgba(255, 255, 255, .72);
    }

    .hero-pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(235, 245, 255, .18);
        padding: 7px 14px;
        border-radius: 99px;
        font-size: 13px;
        color: rgba(255, 255, 255, .84);
        margin-bottom: 18px;
        backdrop-filter: blur(12px);
    }

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

    .cat-hero h1 {
        font-size: clamp(2rem, 5vw, 3.2rem);
        font-weight: 800;
        line-height: 1.2;
        color: #fff;
        margin: 0 0 18px;
        letter-spacing: -0.02em;
    }

    .cat-hero h1 .brand-accent {
        background: linear-gradient(120deg, var(--accent), #fff 60%, var(--primary-2));
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .cat-hero .hero-desc {
        max-width: 720px;
        font-size: 16px;
        line-height: 1.8;
        color: var(--body);
        margin-bottom: 28px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .content-two {
        position: relative;
        flex: 1;
        display: grid;
        grid-template-columns: minmax(0, 1fr) 342px;
        gap: 34px;
        max-width: 1240px;
        width: 100%;
        margin: 0 auto;
        padding: 46px clamp(16px, 4vw, 42px) 66px;
    }

    .primary-area {
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 38px;
    }

    .section-block {
        border: 1px solid var(--border);
        border-radius: 20px;
        padding: clamp(20px, 3vw, 38px);
        background: linear-gradient(165deg, rgba(16, 24, 48, .76), rgba(9, 15, 32, .66));
        background-clip: padding-box;
        box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, .04);
        position: relative;
        overflow: hidden;
    }

    .section-block::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(51, 230, 255, .5), rgba(92, 124, 250, .3), transparent);
        opacity: .45;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .08em;
        color: var(--accent);
        text-transform: uppercase;
        margin-bottom: 14px;
    }

    .eyebrow i {
        font-size: 14px;
        opacity: .95;
    }

    .section-block h2,
    .cta-copy h2 {
        font-size: clamp(1.45rem, 2.2vw, 2rem);
        font-weight: 800;
        color: #fff;
        line-height: 1.35;
        margin-bottom: 14px;
        letter-spacing: -0.01em;
    }

    .block-intro {
        font-size: 15px;
        color: var(--body);
        max-width: 760px;
        margin-bottom: 26px;
        line-height: 1.85;
    }

    .route-list {
        display: flex;
        flex-direction: column;
        margin: 4px 0 0;
        border: 1px solid rgba(235, 245, 255, .08);
        border-radius: 16px;
        background: rgba(6, 11, 27, .4);
        overflow: hidden;
    }

    .route-item {
        display: grid;
        grid-template-columns: 46px minmax(0, 1fr) 22px;
        gap: 15px;
        align-items: center;
        padding: 19px 20px;
        border-bottom: 1px solid rgba(235, 245, 255, .08);
        background: transparent;
        transition: background .25s var(--ease), transform .25s var(--ease);
    }

    .route-item:last-child {
        border-bottom: 0;
    }

    .route-item:hover {
        background: rgba(92, 124, 250, .09);
    }

    .route-index {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 800;
        color: #fff;
        background: linear-gradient(135deg, rgba(92, 124, 250, .36), rgba(139, 108, 246, .14));
        border: 1px solid rgba(235, 245, 255, .1);
    }

    .route-copy strong {
        display: block;
        color: #fff;
        font-size: 16px;
        margin-bottom: 2px;
    }

    .route-copy p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.7;
    }

    .route-arrow {
        color: var(--muted);
        font-size: 16px;
        opacity: .6;
        transition: opacity .25s, color .25s;
    }

    .route-item:hover .route-arrow {
        opacity: 1;
        color: var(--accent);
    }

    .notice-box {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        margin-top: 28px;
        padding: 15px 18px;
        border-radius: 14px;
        border: 1px solid rgba(51, 230, 255, .16);
        background: linear-gradient(130deg, rgba(51, 230, 255, .08), rgba(92, 124, 250, .05));
        font-size: 14px;
        line-height: 1.75;
        color: rgba(222, 230, 245, .86);
    }

    .notice-box i {
        color: var(--accent);
        font-size: 17px;
        line-height: 1.7;
    }

    .split-card-grid {
        display: grid;
        grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
        gap: 26px;
        align-items: stretch;
    }

    .media-frame,
    .media-box {
        border-radius: 16px;
        overflow: hidden;
    }

    .media-frame {
        background: rgba(8, 13, 31, .5);
        border: 1px solid rgba(235, 245, 255, .08);
    }

    .media-frame img {
        width: 100%;
        height: 100%;
        min-height: 230px;
        object-fit: cover;
        display: block;
        transition: transform .5s var(--ease);
    }

    .media-frame:hover img {
        transform: scale(1.025);
    }

    .media-caption {
        display: block;
        padding: 12px 16px;
        font-size: 13px;
        color: var(--muted);
        background: linear-gradient(180deg, transparent, rgba(6, 10, 24, .4));
        line-height: 1.6;
    }

    .timeline {
        display: flex;
        flex-direction: column;
        gap: 0;
        position: relative;
    }

    .timeline-item {
        position: relative;
        display: grid;
        grid-template-columns: 38px 1fr;
        gap: 14px;
        padding-bottom: 19px;
    }

    .timeline-item:last-child {
        padding-bottom: 0;
    }

    .timeline-dot {
        position: relative;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: 800;
        color: #fff;
        background: rgba(92, 124, 250, .3);
        border: 1px solid rgba(51, 230, 255, .25);
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        left: 16px;
        top: 33px;
        bottom: 4px;
        width: 1px;
        background: linear-gradient(180deg, rgba(51, 230, 255, .3), rgba(235, 245, 255, .06));
    }

    .timeline-item:last-child::before {
        display: none;
    }

    .timeline-copy {
        padding-top: 2px;
    }

    .timeline-copy strong {
        display: block;
        color: #fff;
        font-size: 15px;
        margin-bottom: 4px;
    }

    .timeline-copy p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.7;
    }

    .mgrid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .manage-card {
        padding: 18px;
        border-radius: 16px;
        border: 1px solid rgba(235, 245, 255, .1);
        background: linear-gradient(155deg, rgba(255, 255, 255, .065), rgba(255, 255, 255, .015));
        transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
    }

    .manage-card:hover {
        border-color: rgba(51, 230, 255, .32);
        background: linear-gradient(155deg, rgba(92, 124, 250, .14), rgba(255, 255, 255, .02));
        transform: translateY(-3px);
    }

    .manage-icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(92, 124, 250, .15);
        border: 1px solid rgba(255, 255, 255, .1);
        color: var(--accent);
        font-size: 17px;
        margin-bottom: 14px;
    }

    .manage-card h3 {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 7px;
    }

    .manage-card p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
    }

    .badge-app {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 12px;
        border-radius: 999px;
        font-size: 12px;
        line-height: 1.5;
        background: rgba(92, 124, 250, .17);
        box-shadow: 0 0 0 1px rgba(92, 124, 250, .18) inset;
        color: rgba(255, 255, 255, .9);
    }

    .badge-app i {
        color: var(--accent);
        font-size: 12px;
    }

    .safety-band {
        display: grid;
        grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
        gap: 24px;
        border-radius: 18px;
        padding: 24px;
        border: 1px solid rgba(255, 93, 115, .16);
        background: linear-gradient(145deg, rgba(255, 93, 115, .07), rgba(92, 124, 250, .07));
    }

    .safety-band h3 {
        color: #fff;
        font-size: 18px;
        font-weight: 800;
        margin: 0 0 10px;
    }

    .safety-band p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 0;
    }

    .safety-checks {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .check-line {
        display: flex;
        gap: 10px;
        font-size: 14px;
        color: var(--body);
        line-height: 1.65;
    }

    .check-line i {
        color: var(--accent);
        line-height: 1.6;
        font-size: 15px;
    }

    .faq-card {
        border-radius: 14px;
        overflow: hidden;
        background: linear-gradient(155deg, rgba(255, 255, 255, .065), rgba(255, 255, 255, .015));
        border: 1px solid rgba(235, 245, 255, .1) !important;
        margin-bottom: 12px;
    }

    .faq-card .accordion-button {
        background: transparent;
        color: #fff;
        padding: 17px 42px 17px 18px;
        font-size: 15px;
        font-weight: 700;
        line-height: 1.5;
        box-shadow: none !important;
        position: relative;
    }

    .faq-card .accordion-button:not(.collapsed) {
        color: var(--accent);
    }

    .faq-card .accordion-button::before {
        content: '+';
        position: absolute;
        right: 18px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 21px;
        font-weight: 400;
        color: var(--muted);
        line-height: 1;
        transition: color .25s, transform .3s;
    }

    .faq-card .accordion-button:not(.collapsed)::before {
        content: '−';
        color: var(--accent);
    }

    .faq-card .accordion-button::after {
        display: none !important;
    }

    .faq-card .accordion-body {
        padding: 0 20px 19px;
        color: var(--body);
        font-size: 14px;
        line-height: 1.9;
        border-top: 1px solid rgba(235, 245, 255, .06);
        margin-top: 0;
    }

    .cta-card {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 28px;
        flex-wrap: wrap;
        padding: clamp(22px, 3vw, 36px);
        border-radius: 20px;
        border: 1px solid rgba(51, 230, 255, .18);
        background:
            radial-gradient(circle at 84% 30%, rgba(139, 108, 246, .16), transparent 36%),
            linear-gradient(140deg, rgba(14, 22, 46, .94), rgba(8, 13, 30, .9));
        box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .06);
    }

    .cta-copy {
        max-width: 620px;
    }

    .cta-copy h2 {
        font-size: clamp(1.45rem, 2.4vw, 1.95rem);
        margin-bottom: 10px;
    }

    .cta-copy p {
        color: var(--muted);
        font-size: 15px;
        line-height: 1.85;
        margin-bottom: 0;
    }

    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .side-col {
        min-width: 0;
    }

    .sticky-track {
        position: sticky;
        top: 24px;
        display: flex;
        flex-direction: column;
        gap: 18px;
    }

    .side-card {
        border-radius: 16px;
        border: 1px solid var(--border);
        padding: 20px;
        background: linear-gradient(160deg, rgba(20, 29, 58, .82), rgba(10, 16, 34, .72));
        background-clip: padding-box;
        box-shadow: var(--shadow-md);
    }

    .side-card .side-title {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 800;
        color: #fff;
        letter-spacing: .04em;
        margin-bottom: 15px;
    }

    .side-card .side-title i {
        color: var(--accent);
    }

    .toc-list {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .toc-list a {
        display: block;
        font-size: 14px;
        color: var(--muted);
        padding: 8px 10px;
        border-radius: 9px;
        transition: background .25s, color .25s;
        margin-left: -10px;
        margin-right: -10px;
    }

    .toc-list a::before {
        content: '';
        display: inline-block;
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: rgba(51, 230, 255, .4);
        margin-right: 9px;
        vertical-align: middle;
        transition: background .25s, box-shadow .25s;
    }

    .toc-list a:hover {
        color: #fff;
        background: rgba(255, 255, 255, .06);
    }

    .toc-list a:hover::before {
        background: var(--accent);
        box-shadow: 0 0 10px rgba(51, 230, 255, .6);
    }

    .side-media img {
        width: 100%;
        aspect-ratio: 16 / 10;
        object-fit: cover;
        border-radius: 12px;
        margin-bottom: 14px;
        border: 1px solid rgba(235, 245, 255, .12);
    }

    .side-media p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.8;
    }

    .side-link-list {
        display: flex;
        flex-direction: column;
        gap: 3px;
        margin-top: 6px;
    }

    .side-link-list a {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.6;
        padding: 8px 10px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: color .25s, background .25s;
        margin: 0 -10px;
    }

    .side-link-list a i {
        color: var(--primary);
        width: 15px;
        font-size: 13px;
        transition: transform .25s var(--ease);
    }

    .side-link-list a:hover {
        color: #fff;
        background: rgba(255, 255, 255, .05);
    }

    .side-link-list a:hover i {
        color: var(--accent);
        transform: translateX(2px);
    }

    .side-note {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.8;
        margin-top: 14px;
        padding-top: 15px;
        border-top: 1px solid rgba(235, 245, 255, .1);
    }

    .side-note i {
        color: var(--accent);
        margin-right: 3px;
    }

    .footer {
        margin-top: auto;
        background: rgba(4, 8, 18, .72);
        border-top: 1px solid rgba(235, 245, 255, .08);
        padding: 58px clamp(16px, 4vw, 44px) 25px;
        font-size: 14px;
    }

    .footer-grid {
        max-width: 1180px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
        gap: 38px;
        padding-bottom: 38px;
        border-bottom: 1px solid rgba(235, 245, 255, .08);
    }

    .footer .fb-label {
        margin-bottom: 16px;
    }

    .footer-brand p {
        color: #8295b5;
        font-size: 14px;
        line-height: 1.9;
        max-width: 340px;
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 15px;
    }

    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 9px;
    }

    .footer-col ul a {
        color: rgba(222, 230, 245, .78);
        font-size: 14px;
        padding: 2px 0;
        transition: color .25s;
    }

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

    .footer-contacts li {
        display: flex;
        gap: 8px;
        color: rgba(222, 230, 245, .72);
        font-size: 14px;
        line-height: 1.7;
    }

    .footer-contacts i {
        color: rgba(51, 230, 255, .82);
        line-height: 1.6;
        width: 17px;
        text-align: center;
    }

    .footer-bottom {
        max-width: 1180px;
        margin: 0 auto;
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        flex-wrap: wrap;
    }

    .footer-bottom p {
        font-size: 13px;
        color: rgba(130, 149, 181, .85);
        line-height: 1.7;
    }

    .legal-links {
        display: flex;
        gap: 4px 22px;
        flex-wrap: wrap;
    }

    .legal-links a {
        font-size: 13px;
        color: rgba(222, 230, 245, .7);
        padding: 2px 0;
        transition: color .25s;
    }

    .legal-links a:hover {
        color: #fff;
    }

    @media (max-width: 1199.98px) {
        .content-two {
            grid-template-columns: minmax(0, 1fr) 310px;
            gap: 24px;
        }

        .split-card-grid {
            grid-template-columns: 1fr;
        }

        .safety-band {
            grid-template-columns: 1fr;
        }

        .footer-grid {
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 30px;
        }
    }

    @media (max-width: 991.98px) {
        .site-sidebar {
            width: 286px;
            transform: translateX(-100%);
            transition: transform .3s ease-out;
            box-shadow: none;
        }

        .site-sidebar.open {
            transform: translateX(0);
            box-shadow: 0 0 55px rgba(0, 0, 0, .4);
        }

        .sidebar-backdrop,
        .sidebar-backdrop.show {
            display: block;
        }

        .sidebar-backdrop {
            position: fixed;
            inset: 0;
            z-index: 1070;
            background: rgba(3, 5, 13, .68);
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s ease;
        }

        .sidebar-backdrop.show {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-topbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 12px 16px;
            background: rgba(7, 11, 24, .88);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(235, 245, 255, .1);
        }

        .menu-toggle,
        .menu-close {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            transition: background .25s, border-color .25s;
        }

        .menu-toggle:hover,
        .menu-close:hover {
            background: rgba(255, 255, 255, .14);
            border-color: rgba(51, 230, 255, .4);
            color: var(--accent);
        }

        .mobile-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 17px;
            font-weight: 800;
        }

        .mobile-brand .brand-logo {
            width: 38px;
            height: 38px;
            font-size: 12px;
            border-radius: 11px;
        }

        .main-content {
            margin-left: 0;
        }

        .content-two {
            grid-template-columns: minmax(0, 1fr);
            gap: 30px;
        }

        .sticky-track {
            position: static;
            flex-direction: row;
            align-items: stretch;
            flex-wrap: wrap;
            gap: 14px;
        }

        .side-card {
            width: calc(50% - 7px);
        }

        .side-card.full-widget {
            width: 100%;
        }

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

        .footer-grid .footer-brand {
            grid-column: 1 / -1;
        }
    }

    @media (max-width: 767.98px) {
        .cat-hero {
            padding: 40px 20px 36px;
        }

        .cat-hero h1 {
            font-size: clamp(1.75rem, 8vw, 2.5rem);
        }

        .hero-pill {
            padding: 5px 11px;
            font-size: 12px;
        }

        .hero-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .hero-actions .btn {
            width: 100%;
            padding: 14px 24px;
        }

        .section-block {
            padding: 20px;
            border-radius: 16px;
        }

        .section-block h2 {
            font-size: 1.3rem;
        }

        .section-block .block-intro {
            font-size: 14px;
        }

        .route-item {
            grid-template-columns: 38px minmax(0, 1fr);
            padding: 15px 14px;
        }

        .route-index {
            width: 34px;
            height: 34px;
            font-size: 13px;
        }

        .route-arrow {
            display: none;
        }

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

        .timeline-item {
            grid-template-columns: 32px 1fr;
        }

        .content-two {
            padding-top: 28px;
        }

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

        .cta-actions {
            flex-direction: column;
            width: 100%;
        }

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

        .side-card {
            width: 100%;
        }

        .safety-band {
            padding: 18px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            row-gap: 26px;
            padding-bottom: 30px;
        }

        .footer-bottom {
            justify-content: center;
            text-align: center;
        }

        .legal-links {
            justify-content: center;
        }
    }

    @media (max-width: 575.98px) {
        .main-content {
            min-height: 100vh;
        }

        .mobile-topbar {
            padding: 10px 13px;
        }

        .mobile-brand .brand-logo {
            width: 34px;
            height: 34px;
        }

        .content-two {
            padding: 24px 14px 50px;
            gap: 22px;
        }

        .primary-area {
            gap: 22px;
        }

        .section-block {
            padding: 18px 15px;
        }

        .card-glass {
            border-radius: 16px;
        }

        .notice-box {
            font-size: 13px;
            padding: 13px;
            gap: 10px;
        }

        .route-list {
            border-radius: 12px;
        }

        .route-item {
            grid-template-columns: 34px minmax(0, 1fr);
            gap: 10px;
            padding: 13px 12px;
        }

        .route-item::after {
            content: '';
        }

        .route-index {
            width: 32px;
            height: 32px;
        }

        .route-copy strong {
            font-size: 15px;
        }

        .manage-card {
            padding: 15px;
        }

        .sticky-track {
            flex-direction: column;
        }

        .cta-actions {
            width: 100%;
        }

        .content-two .section-block h2 {
            font-size: 1.2rem;
        }

        .footer {
            padding: 38px 16px 20px;
        }

        .footer-bottom p {
            line-height: 1.8;
        }
    }

/* roulang page: category4 */
:root{
  --bg-deep:#0B0F1E;
  --bg-soft:#0A1326;
  --bg-dark:#070B18;
  --brand:#5C7CFA;
  --brand-light:#7A95FF;
  --cyan:#33E6FF;
  --violet:#8B6CF6;
  --danger:#FF5D73;
  --success:#18C29C;
  --warn:#FFB020;
  --text:#F2F5FF;
  --text-body:rgba(222,230,245,0.9);
  --muted:#8295B5;
  --line:rgba(235,245,255,0.14);
  --glass:linear-gradient(145deg,rgba(255,255,255,0.09),rgba(255,255,255,0.018));
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 20px 50px rgba(2,6,23,0.45);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  background:
    radial-gradient(ellipse at 92% 6%,rgba(92,124,250,0.12),transparent 44%),
    radial-gradient(ellipse at 8% 72%,rgba(139,108,246,0.06),transparent 38%),
    var(--bg-deep);
  color:var(--text-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none}
button,input,textarea{font-family:var(--font)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
#appSidebar,.app-body,.footer{transition:transform .28s ease-out, margin .28s ease-out}

.app-sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:260px;
  height:100vh;
  background:linear-gradient(180deg,#0E1527,#0A0F1F);
  border-right:1px solid rgba(235,245,255,0.08);
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  z-index:1030;
  padding:0 16px;
  box-shadow:20px 0 60px rgba(0,0,0,0.18);
}
.app-sidebar::-webkit-scrollbar{width:5px}
.app-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.12);border-radius:10px}
.sidebar-brand{
  display:flex;
  align-items:center;
  gap:12px;
  height:86px;
  padding:0 6px 0 4px;
  flex-shrink:0;
}
.brand-logo{
  width:44px;height:44px;
  min-width:44px;
  border-radius:12px;
  background:linear-gradient(135deg,#5C7CFA,#8B6CF6);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  font-size:16px;
  letter-spacing:-0.5px;
  box-shadow:0 8px 22px rgba(92,124,250,0.35);
}
.sidebar-brand .brand-text{
  color:#fff;
  font-weight:800;
  font-size:18px;
  letter-spacing:0.2px;
  white-space:nowrap;
}
.sidebar-close{
  display:none;
  margin-left:auto;
  width:36px;height:36px;
  background:rgba(255,255,255,0.06);
  color:#fff;
  border:0;
  border-radius:10px;
  font-size:17px;
  cursor:pointer;
}
.sidebar-close:hover{background:rgba(255,255,255,0.12)}
.site-status{
  background:rgba(255,255,255,0.035);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:22px;
  padding:10px 13px;
  margin:8px 6px 16px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
}
.status-dot{
  width:8px;height:8px;
  min-width:8px;border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 4px rgba(24,194,156,0.16);
}
.sidebar-nav{flex:1}
.nav-section-label{
  font-size:12px;
  letter-spacing:1px;
  color:#6b7f9e;
  padding:10px 12px 8px;
  font-weight:600;
  text-transform:uppercase;
}
.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.nav-list a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 14px;
  border-radius:12px;
  color:#9aaac5;
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  transition:all .2s ease;
  position:relative;
}
.nav-list a i{width:20px;text-align:center;font-size:15px;color:#6f809f;transition:color .2s}
.nav-list a:hover{
  color:#fff;
  background:rgba(255,255,255,0.055);
}
.nav-list a:focus-visible{
  color:#fff;
  border-color:rgba(51,230,255,0.7);
}
.nav-list .active{
  color:#fff;
  font-weight:600;
  background:linear-gradient(90deg,rgba(92,124,250,0.2),rgba(139,108,246,0.08));
  border-color:rgba(92,124,250,0.14);
}
.nav-list .active::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:10px;
  background:linear-gradient(180deg,var(--cyan),var(--brand));
  box-shadow:0 0 12px rgba(51,230,255,0.7);
}
.nav-list .active i{color:var(--cyan)}
.sidebar-foot{padding:16px 4px 18px}
.sidebar-safe-card{
  position:relative;
  border-radius:18px;
  background:linear-gradient(160deg,rgba(92,124,250,0.17),rgba(139,108,246,0.05));
  border:1px solid rgba(136,166,255,0.18);
  padding:16px;
  margin-top:10px;
  overflow:hidden;
}
.sidebar-safe-card::before{
  content:"";
  position:absolute;
  top:0;left:20%;right:20%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(51,230,255,0.8),transparent);
}
.sidebar-safe-card strong{
  display:flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-size:14px;
}
.sidebar-safe-card strong i{color:var(--cyan)}
.sidebar-safe-card p{
  font-size:12.5px;
  color:#91a6cb;
  margin:8px 0 0;
  line-height:1.6;
}
.mobile-topbar{
  display:none;
  position:sticky;
  top:0;
  height:64px;
  z-index:1035;
  background:rgba(11,15,30,0.85);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(235,245,255,0.08);
  padding:0 18px;
  align-items:center;
  gap:16px;
}
.mobile-menu-btn{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.1);
  background:rgba(255,255,255,0.05);
  color:#fff;
  font-size:18px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.mobile-menu-btn:hover{background:rgba(255,255,255,0.1)}
.mobile-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:17px;
  margin-right:auto;
}
#sidebarOverlay{
  position:fixed;
  inset:0;
  background:rgba(3,6,15,0.72);
  backdrop-filter:blur(2px);
  z-index:1028;
  opacity:0;
  visibility:hidden;
  transition:all .3s ease;
}
#sidebarOverlay.show{opacity:1;visibility:visible}

.app-body{
  margin-left:260px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.app-main{flex:1;display:flex;flex-direction:column;gap:0}
.container-page{
  width:100%;
  max-width:1560px;
  margin:0 auto;
  padding-left:clamp(22px,4vw,60px);
  padding-right:clamp(22px,4vw,60px);
}
.container-narrow{
  width:100%;
  max-width:1420px;
  margin:0 auto;
  padding-left:clamp(20px,3.4vw,54px);
  padding-right:clamp(20px,3.4vw,54px);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:12px 24px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s;
  cursor:pointer;
  min-height:44px;
  text-decoration:none;
}
.btn:active{transform:scale(0.98)}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--violet));
  color:#fff;
  box-shadow:0 10px 25px rgba(92,124,250,0.34);
}
.btn-primary:hover{
  color:#fff;
  box-shadow:0 0 0 1px rgba(51,230,255,0.45),0 14px 35px rgba(92,124,250,0.5);
  transform:translateY(-2px);
}
.btn-ghost{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(235,245,255,0.17);
  color:#d9e4fa;
}
.btn-ghost:hover{
  color:#fff;
  border-color:rgba(51,230,255,0.55);
  background:rgba(255,255,255,0.06);
  transform:translateY(-2px);
}
.btn-slim{padding:10px 18px;font-size:14px}

.bg-grid{
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
  background-size:34px 34px;
}

.category-hero{
  position:relative;
  min-height:44vh;
  display:flex;
  align-items:center;
  padding:70px 0;
  background:
    linear-gradient(180deg,rgba(11,15,30,0.55),rgba(11,15,30,0.94)),
    url('/assets/images/backpic/back-3.webp') center 35% / cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,0.06);
  overflow:hidden;
}
.category-hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:420px;height:420px;
  background:radial-gradient(circle,rgba(92,124,250,0.22),transparent 62%);
  pointer-events:none;
}
.hero-breadcrumb{
  position:relative;
  z-index:2;
  margin-bottom:24px;
  font-size:14px;
  color:var(--muted);
}
.hero-breadcrumb a{color:#9aaac5}
.hero-breadcrumb a:hover{color:#fff}
.hero-breadcrumb span{margin:0 8px;color:#465574}
.hero-content{position:relative;z-index:2;max-width:980px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 15px;
  border-radius:30px;
  background:rgba(255,255,255,0.055);
  border:1px solid rgba(51,230,255,0.24);
  color:var(--cyan);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.3px;
  backdrop-filter:blur(8px);
}
.hero-badge i{font-size:14px}
.category-hero h1{
  color:#fff;
  font-size:clamp(2rem,4.2vw,3.6rem);
  font-weight:800;
  line-height:1.2;
  margin:18px 0 18px;
  letter-spacing:-0.5px;
}
.category-hero .hero-desc{
  font-size:16.5px;
  color:rgba(218,230,246,0.88);
  max-width:860px;
  margin:0 0 32px;
  line-height:1.85;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}

.stats-band{
  background:rgba(255,255,255,0.025);
  border-top:1px solid rgba(255,255,255,0.06);
  border-bottom:1px solid rgba(255,255,255,0.06);
  padding:28px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
}
.stat-cell{
  display:flex;
  align-items:center;
  gap:13px;
  padding:8px 8px;
  min-width:0;
}
.stat-cell strong{
  font-size:30px;
  font-weight:800;
  color:var(--cyan);
  line-height:1;
  white-space:nowrap;
  text-shadow:0 0 20px rgba(51,230,255,0.3);
}
.stat-cell span{
  color:#8fa1c2;
  font-size:13px;
  line-height:1.4;
  display:block;
}
.stat-cell small{
  display:block;
  color:#5b6f92;
  font-size:12px;
  line-height:1.35;
}

.split-layout{
  display:grid;
  grid-template-columns:minmax(0,2.12fr) minmax(290px,1fr);
  gap:28px;
  align-items:start;
  padding-top:44px;
  padding-bottom:52px;
}
.split-main{min-width:0;display:flex;flex-direction:column;gap:28px}
.split-aside{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.split-aside .aside-card{position:static}

.page-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(24px,3vw,42px);
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.page-card::before{
  content:"";
  position:absolute;
  top:0;left:12%;right:12%;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.5),transparent);
}

.sec-head{
  margin-bottom:28px;
}
.sec-sub{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--cyan);
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  text-transform:uppercase;
  margin-bottom:8px;
}
.sec-head h2{
  color:#fff;
  font-size:clamp(1.5rem,2.2vw,2.1rem);
  font-weight:800;
  letter-spacing:-0.3px;
  margin:8px 0 14px;
}
.sec-icon{
  width:34px;height:34px;
  border-radius:10px;
  background:rgba(51,230,255,0.08);
  color:var(--cyan);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
}
.sec-desc{
  color:#a8b7d2;
  font-size:16px;
  max-width:820px;
  margin:0 0 16px;
}
.sec-note{
  color:var(--muted);
  font-size:13.5px;
  border-left:2px solid rgba(51,230,255,0.5);
  padding:2px 0 2px 12px;
  margin:16px 0 0;
}

.channel-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  padding:4px 0;
}
.channel-row{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:24px;
  border-radius:18px;
  background:rgba(255,255,255,0.035);
  border:1px solid rgba(255,255,255,0.07);
  position:relative;
  transition:background .25s,transform .25s,border-color .25s;
}
.channel-row:hover{
  background:rgba(255,255,255,0.06);
  border-color:rgba(51,230,255,0.32);
  transform:translateY(-2px);
}
.channel-row .channel-num{
  position:absolute;
  right:18px;
  top:12px;
  font-size:13px;
  font-weight:800;
  color:rgba(255,255,255,0.09);
  letter-spacing:1px;
}
.channel-icon{
  width:46px;height:46px;
  min-width:46px;
  border-radius:13px;
  background:linear-gradient(145deg,rgba(92,124,250,0.2),rgba(139,108,246,0.1));
  border:1px solid rgba(128,154,255,0.15);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-light);
  font-size:19px;
}
.channel-row h3{
  color:#fff;
  font-size:16.5px;
  margin:0 0 7px;
  font-weight:700;
}
.channel-row p{
  margin:0;
  color:#9daecc;
  font-size:14.5px;
  line-height:1.7;
}
.channel-row .tag{
  display:inline-flex;
  margin-top:12px;
  align-items:center;
  padding:4px 10px;
  background:rgba(51,230,255,0.08);
  border:1px solid rgba(51,230,255,0.16);
  color:var(--cyan);
  border-radius:30px;
  font-size:12px;
  gap:5px;
}
.mini-visual{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  background:#0a0f20;
  border:1px solid rgba(255,255,255,0.08);
  min-height:190px;
  display:flex;
  align-items:center;
}
.mini-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.55;
  transition:opacity .3s,transform .5s;
}
.mini-visual:hover img{opacity:0.8;transform:scale(1.03)}
.mini-visual-text{
  position:absolute;
  left:20px;right:20px;bottom:16px;
  z-index:2;
  color:#fff;
  font-size:14px;
  background:rgba(8,12,26,0.5);
  backdrop-filter:blur(6px);
  padding:12px 14px;
  border-radius:12px;
  line-height:1.6;
  border-left:2px solid var(--cyan);
}

.security-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:6px;
}
.security-item{
  padding:22px;
  border-radius:18px;
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.08);
  display:flex;
  gap:15px;
  align-items:flex-start;
  transition:background .25s,border-color .25s;
}
.security-item:hover{
  background:rgba(255,255,255,0.058);
  border-color:rgba(139,108,246,0.3);
}
.security-item .s-icon{
  width:42px;height:42px;
  min-width:42px;
  border-radius:12px;
  background:rgba(139,108,246,0.14);
  color:#b49bff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
}
.security-item h3{
  color:#eef3ff;
  font-size:15.5px;
  font-weight:700;
  margin:1px 0 7px;
}
.security-item p{
  color:#92a4c2;
  font-size:14px;
  line-height:1.7;
  margin:0;
}

.flow-intro-card{
  background:linear-gradient(135deg,rgba(92,124,250,0.11),rgba(139,108,246,0.04));
  border:1px solid rgba(128,154,255,0.17);
  border-radius:var(--radius-lg);
  padding:24px 26px;
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.flow-intro-card i{
  color:var(--cyan);
  font-size:24px;
}
.flow-intro-card p{
  margin:0;
  color:#cbd8f0;
  font-size:15px;
  flex:1;
}
.steps-track{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:13px;
  margin:6px 0 10px;
}
.step-item{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.07);
  border-radius:17px;
  padding:24px 20px;
  position:relative;
  height:100%;
}
.step-item .step-round{
  width:40px;height:40px;
  border-radius:50%;
  background:rgba(92,124,250,0.15);
  border:1px solid rgba(92,124,250,0.3);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--cyan);
  font-weight:800;
  font-size:14px;
  margin-bottom:14px;
  box-shadow:0 0 18px rgba(51,230,255,0.12);
}
.step-item h3{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:8px;
}
.step-item p{
  color:#8fa3c5;
  font-size:13.5px;
  line-height:1.65;
  margin:0;
}

.info-table-scroll{
  overflow-x:auto;
  border-radius:16px;
  border:1px solid var(--line);
}
table.info-table{
  width:100%;
  border-collapse:collapse;
  background:rgba(255,255,255,0.025);
  min-width:640px;
}
.info-table th,.info-table td{
  padding:16px 20px;
  text-align:left;
  vertical-align:top;
  font-size:14.5px;
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:0}
.info-table thead th{
  background:rgba(92,124,250,0.1);
  color:#dce6ff;
  font-weight:700;
  font-size:13px;
  letter-spacing:1px;
  white-space:nowrap;
}
.info-table tbody th{
  background:rgba(255,255,255,0.025);
  color:#fff;
  font-weight:600;
  white-space:nowrap;
}
.info-table td{
  color:#a1b2cf;
  line-height:1.7;
}

.aside-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:19px;
  padding:24px;
  box-shadow:0 14px 35px rgba(2,6,23,0.35);
}
.aside-card::before{
  content:"";
  display:block;
  width:34px;height:3px;
  border-radius:10px;
  background:linear-gradient(90deg,var(--cyan),var(--brand));
  margin-bottom:18px;
}
.aside-title{
  color:#fff;
  font-size:17px;
  font-weight:800;
  margin:0 0 16px;
  display:flex;
  align-items:center;
  gap:10px;
}
.aside-title i{
  color:var(--cyan);
  font-size:16px;
  width:22px;
  text-align:center;
}
.aside-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:5px;
}
.aside-list a{
  display:flex;
  gap:9px;
  color:#9cabc8;
  font-size:14px;
  padding:8px 10px;
  border-radius:10px;
  border:1px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
  line-height:1.4;
}
.aside-list a::before{
  content:"";
  width:6px;height:6px;
  min-width:6px;
  border-radius:50%;
  background:#54668b;
  margin-top:9px;
  transition:background .2s,box-shadow .2s;
}
.aside-list a:hover{
  color:#fff;
  background:rgba(255,255,255,0.04);
  border-color:rgba(255,255,255,0.08);
}
.aside-list a:hover::before{background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.aside-card .notice-list{
  margin:0;
  padding:0;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.notice-list li{
  display:flex;
  gap:11px;
  color:#a2b1cc;
  font-size:13.5px;
  line-height:1.65;
}
.notice-list i{
  margin-top:5px;
  color:var(--warn);
  width:16px;
  font-size:13px;
}
.aside-cta{
  background:linear-gradient(150deg,rgba(92,124,250,0.2),rgba(11,15,30,0.35));
  border:1px solid rgba(128,154,255,0.24);
  border-radius:19px;
  padding:25px;
  box-shadow:0 14px 35px rgba(2,6,23,0.35);
}
.aside-cta h3{
  color:#fff;
  font-size:17px;
  font-weight:800;
  margin-bottom:9px;
}
.aside-cta p{
  color:#a6b7d6;
  font-size:14px;
  line-height:1.7;
  margin:0 0 20px;
}
.aside-cta .btn{width:100%;margin-top:8px}

.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.09);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .2s;
}
.faq-item:hover{
  border-color:rgba(51,230,255,0.28);
}
.faq-item.accordion-item{
  border:none;
}
.faq-item .accordion-button{
  background:transparent;
  border:0;
  box-shadow:none;
  border-radius:16px;
  color:#e9f1ff;
  font-size:15.5px;
  font-weight:700;
  padding:18px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  text-align:left;
  cursor:pointer;
  position:relative;
}
.faq-item .accordion-button:hover{color:#fff}
.faq-item .accordion-button:not(.collapsed){
  color:var(--cyan);
  background:rgba(51,230,255,0.035);
}
.faq-item .accordion-button::after{display:none}
.faq-item .accordion-icon{
  font-size:16px;
  color:#6d81a4;
  min-width:18px;
  text-align:center;
  transition:transform .3s ease,color .3s;
}
.faq-item .accordion-button:not(.collapsed) .accordion-icon{
  transform:rotate(135deg);
  color:var(--cyan);
}
.faq-body{
  background:rgba(255,255,255,0.018);
  color:#9fafcc;
  font-size:14.5px;
  line-height:1.8;
  padding:4px 20px 20px;
}

.final-cta{
  display:flex;
  align-items:center;
  gap:22px;
  background:linear-gradient(135deg,rgba(92,124,250,0.16),rgba(139,108,246,0.06)),#0c1223;
  border:1px solid rgba(128,154,255,0.18);
  border-radius:20px;
  padding:28px 30px;
  flex-wrap:wrap;
}
.final-cta-icon{
  width:55px;height:55px;
  min-width:55px;
  border-radius:16px;
  background:linear-gradient(135deg,#5C7CFA,#8B6CF6);
  color:#fff;
  font-size:23px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.final-cta h3{
  color:#fff;
  font-size:20px;
  font-weight:800;
  margin:0 0 6px;
}
.final-cta p{
  color:#98aacb;
  margin:0;
  font-size:15px;
}
.final-cta .btn{
  margin-left:auto;
}

.footer{
  margin-top:20px;
  background:#070B18;
  border-top:1px solid rgba(255,255,255,0.06);
  padding-top:46px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:32px;
  max-width:1560px;
  margin:0 auto;
  padding:0 clamp(22px,4vw,60px) 38px;
}
.footer-brand p{
  color:#7e91b2;
  font-size:14px;
  line-height:1.8;
  max-width:300px;
  margin:0;
}
.footer .footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.footer .fb-label{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:20px;
}
.footer .fb-label .brand-logo{
  width:40px;height:40px;
  font-size:15px;
  border-radius:10px;
}
.footer .fb-label span:last-child{
  font-weight:800;
  font-size:19px;
  color:#fff;
}
.footer-col h4{
  color:#c6d4ed;
  font-size:15px;
  font-weight:700;
  margin:0 0 17px;
}
.footer-col ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col a{
  color:#7d91b5;
  font-size:14px;
  transition:color .2s;
}
.footer-col a:hover{color:#fff}
.footer-contacts li{
  color:#7d91b5;
  font-size:14px;
  display:flex;
  gap:8px;
  align-items:flex-start;
  line-height:1.7;
}
.footer-contacts i{
  margin-top:4px;
  color:var(--cyan);
  width:16px;
  font-size:13px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.05);
  padding:20px 0;
}
.footer-bottom-inner{
  max-width:1560px;
  margin:0 auto;
  padding:0 clamp(22px,4vw,60px);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.footer-bottom p{
  margin:0;
  color:#687c9f;
  font-size:13px;
}
.footer-bottom .legal-links{
  display:flex;
  gap:18px;
}
.footer-bottom .legal-links a{
  color:#687c9f;
  font-size:13px;
}
.footer-bottom .legal-links a:hover{color:#fff}

@media (max-width:1200px){
  .steps-track{grid-template-columns:repeat(2,1fr);}
  .split-layout{grid-template-columns:minmax(0,1.7fr) minmax(260px,0.9fr);}
}
@media (max-width:1100px){
  .split-layout{grid-template-columns:1fr;}
  .split-aside{
    position:static;
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:16px;
  }
}
@media (max-width:991px){
  .app-sidebar{
    transform:translateX(-100%);
    width:300px;
  }
  .app-sidebar.open{
    transform:translateX(0);
    box-shadow:0 0 70px rgba(0,0,0,0.5);
  }
  .sidebar-close{display:inline-flex}
  .app-body{margin-left:0}
  .mobile-topbar{display:flex}
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px 8px}
  .security-grid{grid-template-columns:1fr}
  .channel-wrap{grid-template-columns:1fr}
  .footer-grid{
    grid-template-columns:1fr;
    gap:26px;
  }
  .mini-visual{min-height:150px}
  .final-cta .btn{margin-left:0}
  .steps-track{gap:10px}
  .step-item{padding:18px}
}
@media (max-width:576px){
  .category-hero{
    min-height:auto;
    padding:40px 0 54px;
  }
  body{font-size:15px}
  .hero-actions .btn{width:100%}
  .split-aside{
    grid-template-columns:1fr;
  }
  .page-card{padding:24px 18px}
  .stats-grid{gap:18px 4px}
  .stat-cell strong{font-size:24px}
  .stat-cell span{font-size:12px}
  .stat-cell small{display:none}
  .final-cta{padding:22px}
  .footer-bottom-inner{flex-direction:column;text-align:center}
}

/* roulang page: category3 */
:root {
  --bg-deep: #0b0f1e;
  --bg-side: #080d1a;
  --bg-main: #0a1326;
  --brand: #5c7cfa;
  --brand-soft: rgba(92, 124, 250, 0.24);
  --ice: #33E6FF;
  --violet: #8b6cf6;
  --text: #f2f5ff;
  --body-text: rgba(222, 230, 245, 0.9);
  --muted: #8295b5;
  --border: rgba(235, 245, 255, 0.14);
  --card-radius: 20px;
  --btn-radius: 12px;
  --safe-px: 36px;
  --shadow: 0 20px 50px rgba(2, 6, 23, 0.5);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  background:
      radial-gradient(900px 420px at 90% -100px, rgba(92,124,250,0.12), transparent 60%),
      radial-gradient(700px 380px at -100px 20%, rgba(139,108,246,0.09), transparent 55%),
      linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-main) 60%, #091126 100%);
  background-color: var(--bg-deep);
  color: var(--body-text);
  -webkit-font-smoothing: antialiased;
}

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

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

img {
  max-width: 100%;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1.2rem;
}

:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 14px;
  z-index: 2000;
  padding: 10px 18px;
  border-radius: 0 0 12px 12px;
  background: var(--ice);
  color: #052040;
  font-weight: 700;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 0;
  color: #052040;
}

/* App Shell */
.app-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 260px;
  z-index: 1040;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(7,13,28,.98) 0%, rgba(9,13,28,.96) 70%, rgba(4,9,20,.94) 100%);
  border-right: 1px solid rgba(235,245,255,.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.app-sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
      linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 34px 34px;
}

.sidebar-inner {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 28px 18px 20px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 24px;
  border-bottom: 1px solid rgba(235,245,255,.1);
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(92,124,250,.9), rgba(139,108,246,.75));
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 0 24px rgba(92,124,250,.35), inset 0 0 0 1px rgba(255,255,255,.22);
}

.brand-logo-main {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .02em;
  line-height: 1.3;
}

.brand-logo-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
  letter-spacing: .05em;
}

.sidebar-nav {
  margin-top: 18px;
  flex: 1;
}

.nav-section-label {
  font-size: 12px;
  color: #667f9f;
  letter-spacing: .22em;
  padding: 8px 12px 8px;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-list li a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 12px;
  color: #b6c7e2;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.nav-list li a i {
  width: 18px;
  text-align: center;
  color: #6f84ad;
  transition: color .25s ease;
}

.nav-list li a:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
  transform: none;
}

.nav-list li a:hover i {
  color: var(--ice);
}

.nav-list li a.active {
  background: linear-gradient(90deg, rgba(92,124,250,.2), rgba(92,124,250,.05));
  color: #fff;
}

.nav-list li a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 3px;
  border-radius: 0 6px 6px 0;
  background: linear-gradient(180deg, var(--ice), var(--brand));
  box-shadow: 0 0 16px rgba(51,230,255,.6);
}

.nav-list li a.active i {
  color: var(--ice);
}

.sidebar-safe-tip {
  margin-top: 16px;
  padding: 13px 14px;
  border: 1px solid rgba(235,245,255,.1);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  font-size: 12px;
  line-height: 1.7;
  color: #9bb0cd;
  display: flex;
  gap: 10px;
  max-height: 80px;
}

.sidebar-safe-tip i {
  color: var(--ice);
  font-size: 15px;
  margin-top: 3px;
}

/* Main content wrapper */
.app-content {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content-main-outer {
  flex: 1;
}

/* Mobile Topbar */
.mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 1040;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  padding: 0 20px;
  background: rgba(7,11,25,.94);
  border-bottom: 1px solid rgba(235,245,255,.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

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

.mobile-brand .brand-logo {
  width: 36px;
  height: 36px;
  font-size: 13px;
  border-radius: 10px;
}

.mobile-brand span {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
}

.mobile-menu-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(235,245,255,.14);
  color: #fff;
  background: rgba(255,255,255,.05);
  cursor: pointer;
  font-size: 18px;
  transition: all .2s ease;
}

.mobile-menu-label:hover {
  border-color: rgba(51,230,255,.4);
  color: var(--ice);
  background: rgba(92,124,250,.12);
}

.mobile-drawer-toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.mobile-drawer {
  position: fixed;
  left: -310px;
  top: 0;
  bottom: 0;
  width: min(300px, 84vw);
  z-index: 1090;
  background: linear-gradient(180deg, #080d1b, #0d132b);
  border-right: 1px solid rgba(235,245,255,.1);
  padding: 26px 16px 20px;
  transition: left .3s ease-out;
  display: flex;
  flex-direction: column;
  box-shadow: 10px 0 40px rgba(0,0,0,.4);
}

.mobile-drawer .nav-list li a {
  font-size: 15px;
}

.drawer-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--muted);
  font-size: 22px;
  cursor: pointer;
}

.drawer-close-btn:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 1080;
  background: rgba(3,6,16,.65);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s ease;
  cursor: pointer;
}

.mobile-drawer-toggle:checked ~ .mobile-drawer {
  left: 0;
}

.mobile-drawer-toggle:checked ~ .mobile-overlay {
  opacity: 1;
  visibility: visible;
}

/* Category Hero */
.category-hero {
  position: relative;
  margin: 24px 24px 12px;
  border-radius: var(--card-radius);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: center;
  background:
      linear-gradient(90deg, rgba(5,9,22,.96) 0%, rgba(7,12,27,.82) 55%, rgba(10,14,30,.52) 100%),
      url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  border: 1px solid rgba(235,245,255,.12);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
}

.category-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
      radial-gradient(600px 300px at 85% 10%, rgba(139,108,246,.28), transparent 60%),
      radial-gradient(480px 260px at 10% 100%, rgba(92,124,250,.18), transparent 60%);
  mix-blend-mode: screen;
}

.category-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 46px 48px;
  color: #fff;
}

.category-hero .breadcrumb {
  margin-bottom: 16px;
  font-size: 13px;
}

.category-hero .breadcrumb a {
  color: rgba(214, 226, 244, .7);
}

.category-hero .breadcrumb a:hover {
  color: var(--ice);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: rgba(214, 226, 244, .4);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ice);
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid rgba(51,230,255,.3);
  background: rgba(51,230,255,.08);
  letter-spacing: .03em;
}

.category-hero h1 {
  max-width: 800px;
  font-size: clamp(1.7rem, 3.2vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: #fff;
  letter-spacing: -0.02em;
}

.category-hero .hero-subtitle {
  max-width: 620px;
  font-size: 16px;
  color: rgba(222,230,245,.85);
  line-height: 1.8;
  margin-bottom: 26px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 24px;
  border-radius: var(--btn-radius);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  line-height: 1;
}

.btn:active {
  transform: scale(.97);
}

.btn-main {
  background: linear-gradient(135deg, #5c7cfa, #6a5cf5);
  color: #fff;
  box-shadow: 0 8px 26px rgba(92,124,250,.35), 0 0 0 1px rgba(255,255,255,.08) inset;
}

.btn-main:hover {
  background: linear-gradient(135deg, #708afc, #7a67ff);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(92,124,250,.4), 0 0 0 1px rgba(255,255,255,.14) inset;
}

.btn-line {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(235,245,255,.22);
  color: #e7ecff;
  box-shadow: 0 6px 18px rgba(0,0,0,.14);
}

.btn-line:hover {
  background: rgba(255,255,255,.1);
  color: var(--ice);
  border-color: rgba(51,230,255,.4);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* Category body layout */
.category-layout {
  margin-top: 8px;
  width: 100%;
  max-width: 1460px;
  margin-left: auto;
  margin-right: auto;
}

.content-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 336px;
  gap: 28px;
  padding: 0 24px 40px;
}

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

.side-col {
  min-width: 0;
}

.side-inner {
  position: sticky;
  top: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 24px;
}

/* Content cards / section blocks */
.surface {
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.025));
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: 0 12px 34px rgba(2,6,23,.25);
}

.surface-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(235,245,255,.09);
  padding-bottom: 18px;
}

.surface-head .big-number {
  font-size: 13px;
  color: var(--ice);
  font-weight: 800;
  letter-spacing: .2em;
}

.surface-head h2 {
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  margin: 6px 0 0;
}

.surface-head .lead-line {
  font-size: 14px;
  color: var(--muted);
  margin: 8px 0 0;
  max-width: 560px;
}

.lead-paragraph {
  margin-bottom: 1.2rem;
}

/* Guide data row */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.insight-card {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(235,245,255,.12);
}

.insight-card i {
  font-size: 22px;
  color: var(--ice);
  margin-bottom: 12px;
}

.insight-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
}

.insight-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

/* Feature offer rows */
.offer-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid rgba(235,245,255,.08);
}

.offer-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 8px;
  border-bottom: 1px solid rgba(235,245,255,.08);
  transition: background .25s ease;
  border-radius: 12px;
}

.offer-item:hover {
  background: rgba(92,124,250,.07);
  border-radius: 12px;
}

.offer-item .index {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(92,124,250,.28), rgba(139,108,246,.18));
  color: var(--ice);
  border: 1px solid rgba(51,230,255,.24);
}

.offer-item h3 {
  font-size: 16px;
  margin: 0 0 6px;
}

.offer-item p {
  margin: 0;
  color: rgba(222,230,245,.76);
  font-size: 14px;
  line-height: 1.7;
}

.offer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

/* Badge & Tag */
.badge-chip {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(92,124,250,.15);
  color: #9fb5ff;
  border: 1px solid rgba(92,124,250,.25);
  letter-spacing: .02em;
}

.badge-chip.success {
  background: rgba(24, 194, 156, .12);
  color: #18c29c;
  border-color: rgba(24, 194, 156, .22);
}

.badge-chip.ice {
  background: rgba(51,230,255,.1);
  color: var(--ice);
  border-color: rgba(51,230,255,.3);
}

/* Media banner */
.media-banner {
  margin-top: 26px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(235,245,255,.1);
  position: relative;
}

.media-banner img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.media-banner .caption {
  position: absolute;
  left: 20px;
  bottom: 18px;
  background: rgba(5,10,24,.68);
  border: 1px solid rgba(255,255,255,.16);
  color: #fff;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 30px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Terms table */
.terms-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.terms-table th {
  text-align: left;
  color: #c9d6f0;
  font-weight: 700;
  padding: 13px 14px;
  border-bottom: 1px solid rgba(235,245,255,.14);
  background: rgba(255,255,255,.05);
  font-size: 13px;
  white-space: nowrap;
}

.terms-table th:first-child {
  border-radius: 10px 0 0 0;
}

.terms-table th:last-child {
  border-radius: 0 10px 0 0;
}

.terms-table td {
  padding: 14px;
  border-bottom: 1px solid rgba(235,245,255,.07);
  color: rgba(222,230,245,.84);
  line-height: 1.65;
  vertical-align: top;
}

.terms-table tr:last-child td {
  border-bottom: none;
}

/* Steps */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.step-item {
  position: relative;
  padding: 20px 16px;
  border-radius: 15px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(235,245,255,.12);
}

.step-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ice), var(--brand));
  color: #071028;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 15px;
  box-shadow: 0 0 20px rgba(51,230,255,.4);
}

.step-item h4 {
  font-size: 14px;
  color: #e7edff;
}

.step-item p {
  font-size: 13px;
  color: var(--muted);
  margin: 6px 0 0;
  line-height: 1.6;
}

.step-item + .step-item::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 39px;
  width: 16px;
  height: 1px;
  background: rgba(51,230,255,.35);
}

/* Callout */
.callout-note {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  margin-top: 22px;
  border-radius: 14px;
  background: rgba(139,108,246,.13);
  border: 1px solid rgba(139,108,246,.24);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(222,230,245,.9);
}

.callout-note i {
  color: #b9a5ff;
  margin-top: 2px;
}

.callout-note strong {
  color: #fff;
}

/* Accordion override */
.faq-acc {
  margin-top: 12px;
}

.faq-acc .accordion-item {
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(235,245,255,.1);
  border-radius: 14px !important;
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: none;
  background-color: transparent;
  transition: border .25s ease;
}

.faq-acc .accordion-item.has-link {
  border-color: rgba(92,124,250,.25);
}

.faq-acc .accordion-item:focus-within,
.faq-acc .accordion-item:hover {
  border-color: rgba(51,230,255,.3);
}

.faq-acc .accordion-button {
  background: rgba(255,255,255,.04);
  color: #e8efff;
  font-size: 15px;
  font-weight: 600;
  padding: 20px 50px 20px 20px;
  box-shadow: none;
  border-radius: 14px;
  line-height: 1.5;
  display: flex;
  gap: 12px;
  align-items: center;
}

.faq-acc .accordion-button::before {
  content: "\f059";
  font-family: "Font Awesome 6 Free";
  font-weight: 400;
  color: var(--ice);
  margin-right: 10px;
}

.faq-acc .accordion-button::after {
  background: none;
  content: "\2b";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 16px;
  color: var(--ice);
  transform: none;
  position: absolute;
  right: 18px;
  width: auto;
  height: auto;
  transition: transform .25s ease;
}

.faq-acc .accordion-button:not(.collapsed)::after {
  background: none;
  transform: rotate(45deg);
  color: var(--ice);
  filter: none;
}

.faq-acc .accordion-button:not(.collapsed) {
  background: linear-gradient(90deg, rgba(92,124,250,.16), rgba(92,124,250,.04));
  color: #fff;
}

.faq-acc .accordion-button:focus {
  box-shadow: none;
}

.faq-acc .accordion-collapse {
  background: transparent;
}

.faq-acc .accordion-body {
  padding: 4px 20px 20px 42px;
  color: rgba(222,230,245,.8);
  font-size: 14px;
  line-height: 1.85;
  border-top: 0;
}

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

/* Sidebar cards */
.side-card {
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
}

.side-card h3 {
  font-size: 15px;
  margin-bottom: 15px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-card h3 i {
  color: var(--ice);
  font-size: 16px;
}

.side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-list li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  font-size: 14px;
  color: rgba(222,230,245,.8);
  transition: all .2s ease;
}

.side-list li a i {
  color: #6f84ad;
  font-size: 13px;
  width: 16px;
}

.side-list li a:hover,
.side-list li a.active {
  background: rgba(51,230,255,.08);
  color: var(--ice);
}

.side-list li a:hover i {
  color: var(--ice);
}

.side-line {
  height: 1px;
  margin: 16px 0;
  background: rgba(235,245,255,.08);
}

.side-mini-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}

.side-mini-text i {
  color: var(--ice);
  width: 18px;
  margin-right: 2px;
}

.side-visual {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.side-visual img {
  display: block;
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.side-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(7,12,27,.88) 100%);
}

.side-visual .visual-text {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  color: #fff;
  font-size: 13px;
  line-height: 1.6;
  font-weight: 600;
}

/* CTA section */
.cta-band {
  margin: 40px 0 0;
  padding: 42px 40px;
  position: relative;
  overflow: hidden;
  border-radius: var(--card-radius);
  background:
      radial-gradient(600px 280px at 85% 10%, rgba(51,230,255,.15), transparent 50%),
      radial-gradient(500px 260px at 0% 100%, rgba(139,108,246,.22), transparent 55%),
      linear-gradient(120deg, rgba(92,124,250,.2), rgba(255,255,255,.04) 45%, rgba(139,108,246,.14));
  border: 1px solid rgba(235,245,255,.14);
}

.cta-band h2 {
  font-size: clamp(1.4rem, 2vw, 2rem);
  color: #fff;
}

.cta-band p {
  max-width: 680px;
  color: rgba(222,230,245,.83);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 22px;
}

/* Footer */
.footer {
  background: #070a16;
  border-top: 1px solid rgba(235,245,255,.08);
  padding: 60px 20px 22px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 36px;
  max-width: 1300px;
  margin: 0 auto 40px;
}

.footer-brand p {
  color: #93a6c5;
  font-size: 13px;
  margin-top: 14px;
  line-height: 1.8;
}

.footer h4 {
  font-size: 14px;
  color: #e9f0ff;
  margin: 0 0 16px;
  font-weight: 700;
}

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

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

.footer ul a {
  color: #8397b5;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s ease;
}

.footer ul a:hover {
  color: var(--ice);
}

.footer .footer-contacts li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #8397b5;
  font-size: 13px;
}

.footer .footer-contacts li i {
  color: #667fa8;
  width: 16px;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(235,245,255,.09);
  padding-top: 22px;
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-bottom p {
  color: #677c9c;
  font-size: 13px;
  margin: 0;
}

.legal-links {
  display: flex;
  gap: 20px;
}

.legal-links a {
  color: #677c9c;
  font-size: 13px;
}

.legal-links a:hover {
  color: var(--ice);
}

/* Responsive */
@media (max-width: 1199.98px) {
  .hero-inner {
    padding: 36px;
  }
  .content-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 22px;
    padding: 0 18px 34px;
  }
  .breadcrumb-area {
    padding: 16px 18px;
  }
}

@media (max-width: 991.98px) {
  .app-content {
    margin-left: 0;
  }

  .app-sidebar {
    display: none;
  }

  .mobile-drawer:not(.mobile-drawer-header) {
    display: block;
  }

  .content-split {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 0 16px 32px;
  }

  .side-inner {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .category-hero {
    margin: 16px 12px 8px;
  }

  .category-hero-inner {
    padding: 30px 24px;
  }

  .collapse-target .insight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-wrap {
    grid-template-columns: repeat(3, 1fr);
  }

  .step-item + .step-item::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 34px 24px;
  }
}

@media (max-width: 767.98px) {
  body {
    overflow-x: hidden;
  }

  .surface {
    padding: 22px 18px;
    border-radius: 16px;
  }

  .surface-head {
    flex-direction: column;
    gap: 8px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 5px 12px;
    margin-bottom: 14px;
  }

  .category-hero h1 {
    font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  }

  .category-hero .hero-subtitle {
    font-size: 14px;
    line-height: 1.7;
  }

  .category-hero {
    min-height: 260px;
  }

  .category-hero-inner {
    padding: 30px 20px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    padding: 0 14px;
    font-size: 14px;
  }

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

  .side-visual img,
  .side-visual .capture-media {
    height: 140px;
  }

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

  .steps-wrap {
    grid-template-columns: 1fr;
  }

  .terms-table th,
  .terms-table td {
    padding: 10px 8px;
  }

  .cta-band {
    padding: 30px 22px;
  }

  .offer-item {
    flex-direction: column;
    gap: 10px;
    padding: 20px 4px;
  }

  .offer-item .index {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 575.98px) {
  .category-hero-inner {
    padding: 24px 16px;
  }

  .category-hero {
    margin: 12px 9px 6px;
    border-radius: 14px;
  }

  .content-split {
    padding: 0 10px 24px;
    gap: 20px;
  }

  .surface {
    border-radius: 14px;
  }

  .media-banner img {
    height: 150px;
  }

  .media-banner .caption {
    left: 12px;
    bottom: 12px;
    right: auto;
    font-size: 12px;
    padding: 6px 12px;
  }

  .mobile-brand span {
    font-size: 15px;
  }

  .btn-main, .btn-line {
    font-size: 14px;
    padding: 0 16px;
  }
}

@media (min-width: 992px) {
  .mobile-drawer,
  .mobile-overlay {
    display: none;
  }
}