/* roulang page: index */
:root {
  --ink-0: #0A111C;
  --ink-1: #0E192B;
  --ink-2: #0B1420;
  --ink-3: #101F31;
  --brand-a: #3FAFC8;
  --brand-b: #58D6E6;
  --navy: #1B3B52;
  --accent: #E4A853;
  --accent-strong: #F0BC6E;
  --success: #3FC58E;
  --danger: #E66B6B;
  --text-main: #EAF1F8;
  --text-sub: #98AABC;
  --text-weak: #64748B;
  --line: rgba(183, 215, 240, 0.12);
  --line-soft: rgba(183, 215, 240, 0.08);
  --glass: rgba(224, 241, 255, 0.045);
  --glass-strong: rgba(16, 31, 49, 0.72);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 12px 30px rgba(2, 8, 18, 0.28);
  --shadow-lg: 0 22px 44px rgba(2, 8, 18, 0.42);
  --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "system-ui", "Segoe UI", sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--text-main);
  line-height: 1.7;
  background:
    radial-gradient(1200px 500px at 12% -5%, rgba(63, 175, 200, 0.08), transparent 60%),
    radial-gradient(900px 420px at 88% 8%, rgba(228, 168, 83, 0.05), transparent 55%),
    linear-gradient(180deg, var(--ink-2), var(--ink-0) 35%, #0b131f 100%);
  background-repeat: no-repeat;
  min-height: 100vh;
  overflow-x: hidden;
  font-variant-numeric: tabular-nums;
}

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

a:hover {
  color: var(--brand-b);
}

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

.container,
.container-lg,
.container-md,
.container-sm,
.container-xl,
.container-xxl {
  max-width: 1320px;
  width: 100%;
  padding-right: 24px;
  padding-left: 24px;
}

.row {
  --bs-gutter-x: 1.5rem;
}

section {
  position: relative;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: rgba(6, 13, 23, 0.38);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.section-head {
  margin-bottom: 38px;
}

.section-head .eyebrow,
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  margin-bottom: 12px;
}

.section-head h2,
.hero h1,
.compare-box h2,
.contact-box h2 {
  font-weight: 750;
  line-height: 1.25;
}

.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-sub);
  max-width: 760px;
  font-size: 16px;
}

.text-lead {
  color: var(--text-sub);
}

/* ---------- Buttons ---------- */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border: 1px solid transparent;
  transition: all .2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.4;
}

.btn:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(228, 168, 83, 0.35);
}

.btn-amber {
  background: var(--accent);
  color: #07131F !important;
  box-shadow: 0 0 0 1px rgba(228, 168, 83, 0.2), 0 10px 28px rgba(228, 168, 83, 0.2);
}

.btn-amber:hover {
  background: var(--accent-strong);
  color: #07131F !important;
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(228, 168, 83, 0.32), 0 16px 36px rgba(228, 168, 83, 0.3);
}

.btn-amber:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 8px 22px rgba(228, 168, 83, 0.18);
}

.btn-ghost {
  background: rgba(224, 241, 255, 0.06);
  color: var(--text-main) !important;
  border: 1px solid rgba(183, 215, 240, 0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover {
  background: rgba(228, 168, 83, 0.08);
  border-color: rgba(228, 168, 83, 0.5);
  color: var(--text-main) !important;
  transform: translateY(-2px);
}

.btn-ghost:active {
  transform: translateY(0);
}

.btn-brand {
  background: var(--brand-a);
  color: #071520 !important;
  box-shadow: 0 0 0 1px rgba(63, 175, 200, 0.2), 0 10px 26px rgba(63, 175, 200, 0.18);
}

.btn-brand:hover {
  background: #47bfd9;
  color: #071520 !important;
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(63, 175, 200, 0.24);
}

.btn-brand:active {
  transform: translateY(0) scale(0.98);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* ---------- Header & Nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1060;
  padding: 12px 0;
  border-bottom: 1px solid transparent;
  background: rgba(9, 16, 27, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: padding .3s ease, background .3s ease, border-color .3s ease;
}

.site-header.scrolled {
  padding: 6px 0;
  background: rgba(7, 13, 22, 0.9);
  border-bottom-color: var(--line-soft);
}

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

.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(63, 175, 200, 0.28), rgba(228, 168, 83, 0.14));
  border: 1px solid rgba(183, 215, 240, 0.2);
  color: var(--brand-b);
  font-size: 18px;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.08), 0 8px 20px rgba(0, 0, 0, 0.2);
}

.brand-name {
  color: var(--text-main);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-name em {
  font-style: normal;
  color: var(--accent);
}

.navbar .nav-link {
  color: rgba(225, 238, 248, 0.82);
  font-size: 15.5px;
  font-weight: 500;
  padding: 10px 17px !important;
  border-radius: 10px;
  position: relative;
  transition: color .2s ease, background .2s ease;
}

.navbar .nav-link:hover {
  color: #ffffff;
  background: rgba(224, 241, 255, 0.06);
}

.navbar .nav-link.active {
  color: #ffffff;
  font-weight: 600;
}

.navbar .nav-link.active::after {
  content: "";
  position: absolute;
  left: 17px;
  right: 17px;
  bottom: 1px;
  height: 2px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(228, 168, 83, 0.55);
}

.nav-cta {
  margin-left: 10px;
  padding: 10px 22px;
  white-space: nowrap;
}

.navbar-toggler {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(183, 215, 240, 0.2);
  border-radius: 12px;
  padding: 10px;
  position: relative;
  background: rgba(224, 241, 255, 0.04);
  box-shadow: none;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(228, 168, 83, 0.2);
}

.navbar-toggler .toggler-icon {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  border-radius: 4px;
  background: #d6e5f1;
  transition: all .3s ease;
}

.navbar-toggler .toggler-icon:nth-child(1) {
  top: 15px;
}

.navbar-toggler .toggler-icon:nth-child(2) {
  top: 21px;
}

.navbar-toggler .toggler-icon:nth-child(3) {
  top: 27px;
}

.navbar-toggler[aria-expanded="true"] .toggler-icon:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .toggler-icon:nth-child(2) {
  opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .toggler-icon:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex !important;
    visibility: hidden;
    opacity: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    padding: 96px 30px 40px;
    background: rgba(6, 12, 21, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    transition: opacity .25s ease, visibility .25s ease;
    overflow-y: auto;
  }

  .navbar-collapse.show,
  .navbar-collapse.collapsing {
    visibility: visible;
    opacity: 1;
  }

  .navbar-collapse .navbar-nav {
    width: 100%;
    align-items: stretch;
    margin-bottom: 20px;
  }

  .navbar-collapse .nav-item {
    width: 100%;
  }

  .navbar-collapse .nav-link {
    font-size: 17px;
    padding: 16px 10px !important;
    border-bottom: 1px solid rgba(183, 215, 240, 0.06);
    border-radius: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .navbar-collapse .nav-link::after {
    display: none;
  }

  .navbar-collapse .nav-link.active {
    background: rgba(228, 168, 83, 0.07);
    color: var(--accent);
  }

  .navbar-collapse .nav-cta {
    margin-left: 0;
    margin-top: 16px;
    display: flex;
    justify-content: center;
    width: 100%;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 640px;
  padding: 168px 0 106px;
  background:
    linear-gradient(90deg, rgba(7, 13, 23, 0.97) 0%, rgba(8, 15, 26, 0.86) 38%, rgba(9, 17, 28, 0.43) 78%, rgba(9, 17, 28, 0.28) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 100px;
  background: linear-gradient(180deg, transparent, #0B1420);
  pointer-events: none;
  z-index: 1;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(224, 241, 255, 0.06);
  border: 1px solid rgba(183, 215, 240, 0.14);
  border-radius: 999px;
  padding: 8px 15px;
  color: rgba(232, 244, 252, 0.88);
  font-size: 13px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

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

.hero h1 {
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  color: var(--text-main);
  text-wrap: balance;
}

.hero h1 .text-accent {
  color: var(--accent);
  font-weight: inherit;
}

.hero-desc {
  color: #B7C9D9;
  font-size: 17px;
  line-height: 1.85;
  max-width: 620px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 32px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
  list-style: none;
  padding: 0;
  margin: 0;
  color: rgba(222, 239, 252, 0.72);
  font-size: 14px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.hero-points li i {
  color: var(--success);
}

.hero-panel-area {
  display: flex;
  justify-content: flex-end;
}

.hero-panel {
  width: min(100%, 446px);
  background:
    linear-gradient(180deg, rgba(64, 89, 112, 0.22), rgba(16, 30, 47, 0.44)),
    rgba(10, 20, 32, 0.6);
  border: 1px solid rgba(183, 215, 240, 0.14);
  border-radius: 20px;
  padding: 18px 20px 22px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.24), transparent);
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0 14px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(183, 215, 240, 0.1);
  color: var(--text-sub);
  font-size: 13px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(63, 197, 142, 0.6);
  animation: pulseDot 1.8s infinite;
  display: inline-block;
  margin-right: 8px;
}

@keyframes pulseDot {
  0% { box-shadow: 0 0 0 0 rgba(63, 197, 142, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(63, 197, 142, 0); }
  100% { box-shadow: 0 0 0 0 rgba(63, 197, 142, 0); }
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.panel-cell {
  background: rgba(224, 241, 255, 0.04);
  border: 1px solid rgba(183, 215, 240, 0.09);
  border-radius: 14px;
  padding: 15px 14px 13px;
  min-height: 116px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.panel-cell .p-label {
  color: var(--text-sub);
  font-size: 12.5px;
  line-height: 1.4;
}

.p-cell-value {
  font-size: clamp(21px, 2vw, 26px);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}

.p-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
}

.p-trend.is-down {
  color: var(--danger);
}

.panel-foot {
  margin-top: 12px;
  color: var(--text-weak);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 7px;
}

@media (max-width: 991.98px) {
  .hero {
    padding-top: 136px;
    padding-bottom: 76px;
  }

  .hero-panel-area {
    justify-content: center;
    margin-top: 42px;
  }

  .hero-panel {
    animation: none;
  }
}

@media (min-width: 992px) {
  .hero-copy {
    padding-right: 22px;
  }
}

/* ---------- Metric band ---------- */
.metric-band {
  padding: 36px 0 0;
  margin-top: -2px;
}

.metric-frame {
  background: linear-gradient(145deg, rgba(25, 43, 62, 0.24), rgba(12, 24, 38, 0.5));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(22px, 3.4vw, 40px);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.metric-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.05fr;
  gap: 10px;
}

.metric-item {
  padding: 12px 18px;
  border-right: 1px solid rgba(183, 215, 240, 0.09);
  min-height: 110px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.metric-item:last-child {
  border-right: 0;
}

.metric-top {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.5;
}

.metric-num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 6px;
}

.metric-num strong {
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-main);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.metric-num span {
  color: rgba(188, 209, 226, 0.62);
  font-size: 15px;
}

.metric-item.is-main {
  background: linear-gradient(135deg, rgba(63, 175, 200, 0.12), rgba(63, 175, 200, 0.02));
  border-radius: 16px;
  border-right: 0;
}

.metric-item.is-main .metric-num strong {
  color: var(--brand-a);
}

.metric-foot {
  color: var(--text-sub);
  font-size: 13px;
  margin-top: 8px;
}

.metric-foot em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
}

.metric-foot i {
  color: var(--success);
  margin-right: 3px;
}

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

  .metric-item,
  .metric-item.is-main {
    border: 1px solid rgba(183, 215, 240, 0.07);
    border-radius: 14px;
    background: rgba(224, 241, 255, 0.03);
    padding: 16px;
  }

  .metric-item.is-main {
    background: rgba(63, 175, 200, 0.08);
  }
}

@media (max-width: 520px) {
  .metric-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Services ---------- */
.service-layout .col-lg-4,
.service-layout .col-lg-8 {
  margin-bottom: 28px;
}

.service-intro {
  padding-right: 26px;
  position: sticky;
  top: 130px;
}

.service-intro .service-index {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent);
  background: rgba(228, 168, 83, 0.08);
  border: 1px solid rgba(228, 168, 83, 0.18);
  margin-bottom: 24px;
}

.service-intro h2 {
  font-size: clamp(26px, 2.6vw, 32px);
}

.service-intro-desc {
  color: var(--text-sub);
  margin: 16px 0 22px;
}

.service-intro .btn {
  padding: 11px 21px;
  font-size: 14px;
}

.service-stack {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
  padding: 21px 20px;
  border-bottom: 1px solid rgba(183, 215, 240, 0.08);
  font-size: 15px;
  position: relative;
  color: var(--text-main);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  border-radius: 8px;
}

.service-row:last-child {
  border-bottom-color: transparent;
}

.service-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(228, 168, 83, 0.55);
  opacity: 0;
  transition: opacity .2s ease;
}

.service-row:hover {
  background: rgba(63, 175, 200, 0.055);
  color: var(--text-main);
  box-shadow: inset 0 0 0 1px rgba(63, 175, 200, 0.06), 0 4px 18px rgba(3, 10, 19, 0.25);
}

.service-row:hover::before {
  opacity: 1;
}

.service-no {
  font-size: 14px;
  font-weight: 700;
  color: rgba(63, 175, 200, 0.82);
  width: 34px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.service-main {
  flex: 1;
  min-width: 160px;
}

.service-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 2px;
}

.service-title i {
  color: var(--accent);
  opacity: 0.65;
  font-size: 14px;
}

.service-text {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
  max-width: 590px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(224, 241, 255, 0.07);
  border: 1px solid rgba(183, 215, 240, 0.12);
  color: #B8CFE2;
  white-space: nowrap;
}

.service-arrow {
  color: var(--text-weak);
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(183, 215, 240, 0.12);
  transition: background .2s ease, color .2s ease, transform .2s ease;
  flex-shrink: 0;
}

.service-row:hover .service-arrow {
  background: var(--accent);
  border-color: var(--accent);
  color: #07131F;
  transform: translateX(3px);
}

@media (max-width: 991.98px) {
  .service-intro {
    position: static;
    padding-right: 0;
    margin-bottom: 20px;
  }

  .service-row {
    flex-wrap: wrap;
  }
}

/* ---------- Compare ---------- */
.compare-section {
  background:
    linear-gradient(0deg, rgba(7, 12, 21, 0.84), rgba(7, 12, 21, 0.84)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
}

@media (min-width: 992px) {
  .compare-grid {
    grid-template-columns: 1fr 0.6fr 1fr;
    gap: 12px;
    align-items: center;
  }
}

.compare-card {
  background: rgba(16, 30, 47, 0.48);
  border: 1px solid rgba(183, 215, 240, 0.1);
  border-radius: 18px;
  padding: 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: 100%;
}

.compare-card.is-bad {
  filter: saturate(0.78);
  background: rgba(10, 18, 28, 0.55);
}

.compare-card.is-good {
  border-color: rgba(228, 168, 83, 0.34);
  background:
    linear-gradient(160deg, rgba(228, 168, 83, 0.12), rgba(16, 30, 47, 0.5));
  box-shadow: 0 0 0 1px rgba(228, 168, 83, 0.06), 0 18px 40px rgba(0, 0, 0, 0.32);
}

.compare-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.compare-head .iconbg {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(183, 215, 240, 0.08);
  flex-shrink: 0;
}

.is-good .compare-head .iconbg {
  background: rgba(228, 168, 83, 0.14);
  color: var(--accent);
}

.compare-head .info h3 {
  font-size: 16px;
  margin: 0;
  color: var(--text-main);
}

.compare-head .info p {
  font-size: 13px;
  color: var(--text-weak);
  margin: 1px 0 0;
}

.compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-list li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  background: rgba(224, 241, 255, 0.025);
  border: 1px solid rgba(183, 215, 240, 0.06);
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 14.5px;
  color: rgba(223, 239, 252, 0.8);
  line-height: 1.65;
}

.compare-list .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--danger);
  margin-top: 9px;
  flex-shrink: 0;
}

.is-good .compare-list .dot {
  background: var(--success);
}

.compare-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--accent);
  padding: 8px 0;
}

@media (min-width: 992px) {
  .compare-arrow i {
    transform: rotate(0deg);
  }
}

/* ---------- News CMS ---------- */
.news-section {
  background: rgba(8, 16, 27, 0.34);
}

.news-section .section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.news-section .section-head .section-desc {
  margin-bottom: 6px;
}

.news-feature {
  height: 100%;
}

.news-feature-link {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--glass);
  color: var(--text-main);
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.news-feature-link:hover {
  transform: translateY(-4px);
  color: var(--text-main);
  border-color: rgba(228, 168, 83, 0.36);
  box-shadow: var(--shadow-lg);
}

.news-feature-img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: linear-gradient(135deg, #1b293a, #0d1420);
}

.news-feature-body {
  padding: 22px 24px 20px;
}

.news-feature-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 10px 0 8px;
  line-height: 1.5;
}

.news-feature-body h3 a {
  color: var(--text-main);
  transition: color .2s ease;
}

.news-feature-body h3 a:hover {
  color: var(--brand-a);
}

.news-feature-body p {
  color: var(--text-sub);
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 14px;
}

.meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--text-weak);
  font-size: 13px;
}

.meta-line .badge-cate {
  background: rgba(63, 175, 200, 0.14);
  color: var(--brand-b);
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-list-row {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
  background: rgba(224, 241, 255, 0.025);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.news-list-row:hover {
  background: rgba(63, 175, 200, 0.06);
  border-color: rgba(63, 175, 200, 0.15);
  transform: translateX(3px);
}

.news-num {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.7;
  font-variant-numeric: tabular-nums;
  width: 28px;
}

.news-list-main {
  flex: 1;
  min-width: 0;
}

.news-list-cate {
  display: inline-flex;
  align-items: center;
  color: var(--brand-b);
  font-size: 12px;
  background: rgba(63, 175, 200, 0.09);
  border-radius: 999px;
  padding: 1px 9px;
  margin-bottom: 4px;
}

.news-list-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  margin: 2px 0 4px;
}

.news-list-title a {
  color: var(--text-main);
}

.news-list-title a:hover {
  color: var(--brand-a);
}

.news-list-desc {
  color: var(--text-sub);
  font-size: 13.5px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 5px;
}

.news-list-date {
  color: var(--text-weak);
  font-size: 12.5px;
}

.empty-list {
  background: rgba(224, 241, 255, 0.04);
  border: 1px dashed rgba(183, 215, 240, 0.18);
  border-radius: 20px;
  padding: 64px 24px;
  text-align: center;
  color: var(--text-sub);
}

.empty-list i {
  font-size: 42px;
  color: var(--text-weak);
  margin-bottom: 10px;
}

.empty-list p {
  font-size: 16px;
  margin: 12px 0 0;
}

.empty-list .btn {
  margin-top: 18px;
}

@media (max-width: 767.98px) {
  .news-feature-body h3 {
    font-size: 17px;
  }

  .news-list-row {
    padding: 12px 10px;
  }

  .news-num {
    display: none;
  }
}

/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.accordion-item {
  background: rgba(224, 241, 255, 0.039) !important;
  border: 1px solid rgba(183, 215, 240, 0.1) !important;
  border-radius: 14px !important;
  margin-bottom: 12px;
  overflow: hidden;
  color: var(--text-main);
}

.accordion-button {
  min-height: 56px;
  padding: 14px 22px;
  background: transparent;
  color: var(--text-main) !important;
  font-size: 16px;
  font-weight: 600;
  border: none;
  outline: none;
  position: relative;
  box-shadow: none !important;
  transition: background .2s ease;
  display: flex;
  align-items: center;
  gap: 12px;
}

.accordion-button:hover {
  background: rgba(63, 175, 200, 0.055);
}

.accordion-button:focus {
  outline: none;
  box-shadow: none !important;
}

.accordion-button:focus-visible {
  box-shadow: 0 0 0 3px rgba(228, 168, 83, 0.22) !important;
  border-radius: 14px;
}

.accordion-button::after {
  background: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f107";
  font-size: 18px;
  color: var(--text-sub);
  width: auto;
  height: auto;
  flex-shrink: 0;
  transition: transform .25s ease, color .2s ease;
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
  color: var(--accent);
}

.accordion-button:not(.collapsed) {
  background: rgba(63, 175, 200, 0.05);
}

.accordion-item .accordion-button::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(228, 168, 83, 0.55);
  opacity: 0;
  transition: opacity .2s ease;
}

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

.accordion-body {
  padding: 8px 24px 20px;
}

.accordion-body-inner {
  border-left: 1px solid rgba(228, 168, 83, 0.28);
  padding: 4px 0 4px 18px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
}

@media (min-width: 992px) {
  .accordion-body-inner {
    margin-left: 16px;
  }
}

/* ---------- CTA Contact ---------- */
.contact-section {
  background:
    linear-gradient(120deg, rgba(5, 13, 23, 0.94), rgba(15, 29, 45, 0.9)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat fixed;
  padding: 96px 0;
}

.contact-box {
  background: rgba(10, 19, 30, 0.74);
  border: 1px solid var(--line);
  border-radius: 24px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: clamp(28px, 4vw, 48px);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.contact-box .row {
  align-items: center;
}

.contact-left {
  padding-right: 24px;
}

.contact-left .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 13px;
}

.contact-left h2 {
  font-size: clamp(25px, 2.7vw, 34px);
  font-weight: 750;
  margin-bottom: 14px;
}

.contact-left p {
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 22px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid rgba(183, 215, 240, 0.07);
}

.contact-channel i {
  width: 44px;
  height: 44px;
  background: rgba(63, 175, 200, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: var(--brand-a);
  font-size: 17px;
  border: 1px solid rgba(63, 175, 200, 0.16);
}

.contact-channel .channel-label {
  color: var(--text-sub);
  font-size: 13px;
}

.contact-channel .channel-value {
  font-weight: 650;
  font-size: 15px;
  color: var(--text-main);
}

.contact-form-wrap .form-label {
  color: var(--text-main);
  font-size: 14px;
  font-weight: 600;
}

.form-control,
.form-select {
  background: rgba(7, 14, 22, 0.7);
  border: 1px solid rgba(197, 218, 235, 0.16);
  border-radius: 11px;
  min-height: 47px;
  color: var(--text-main);
  font-size: 15px;
  padding: 10px 15px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-a);
  background: rgba(8, 17, 27, 0.85);
  color: var(--text-main);
  box-shadow: 0 0 0 4px rgba(63, 175, 200, 0.12);
}

.form-control::placeholder {
  color: #7A8FA6;
}

textarea.form-control {
  min-height: 126px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='10' viewBox='0 0 14 10'%3E%3Cpath fill='%2398AABC' d='M1 1l6 7 6-7'/%3E%3C/svg%3E");
  background-size: 14px 10px;
}

.form-message {
  display: none;
}

.form-message.show-message {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 10px;
  background: rgba(63, 197, 142, 0.1);
  color: var(--success);
  border: 1px solid rgba(63, 197, 142, 0.2);
  font-size: 14px;
  margin-top: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: rgba(5, 10, 17, 0.98);
  border-top: 1px solid var(--line-soft);
  color: var(--text-sub);
}

.footer-main {
  padding: 64px 0 40px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  font-size: 19px;
  font-weight: 750;
  margin-bottom: 16px;
}

.footer-about {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}

.footer-title {
  color: #CFE0EC;
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-links a {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.4;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a i {
  color: var(--accent);
  font-size: 11px;
}

.footer-links a:hover {
  color: var(--brand-b);
}

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 13px;
  align-items: center;
  font-size: 14px;
}

.footer-contact li i {
  color: var(--brand-a);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(183, 215, 240, 0.07);
  padding: 18px 0;
  font-size: 13px;
  color: var(--text-weak);
}

.footer-bottom .row {
  align-items: center;
}

.footer-bottom a {
  color: var(--text-sub);
}

.footer-bottom a:hover {
  color: var(--brand-b);
}

@media (max-width: 767.98px) {
  .footer-main {
    padding-top: 48px;
  }

  .footer-title {
    margin-top: 12px;
  }
}

/* ---------- Other ---------- */
.anchor-point {
  position: relative;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: #263c50;
  border-radius: 8px;
}

::-webkit-scrollbar-track {
  background: #0c1520;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

  .contact-section {
    padding: 64px 0;
  }

  .contact-box {
    padding: 28px 20px;
  }

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

@media (max-width: 575.98px) {
  .section-head {
    margin-bottom: 26px;
  }

  .service-tags {
    flex: 0 0 100%;
  }

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

  .hero-points {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

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

  .panel-cell {
    min-height: 92px;
  }
}

/* roulang page: category1 */
:root{
  --ink-0:#0A111C;
  --ink-1:#0E192B;
  --ink-2:#101F31;
  --brand-b:#3FAFC8;
  --brand-deep:#1B3B52;
  --accent:#E4A853;
  --success:#3FC58E;
  --warn:#E66B6B;
  --cyan:#58D6E6;
  --text-0:#EAF1F8;
  --text-1:#98AABC;
  --text-2:#64748B;
  --glass:rgba(224,241,255,0.045);
  --line:rgba(183,215,240,0.12);
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --shadow-card:0 12px 30px rgba(2,8,18,0.28);
  --font-stack:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","system-ui",-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-stack);
  background:radial-gradient(circle at 20% -10%, #132233 0%, var(--ink-0) 38%, #070D16 100%);
  color:var(--text-0);
  line-height:1.75;
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
a{color:var(--brand-b);text-decoration:none;transition:all .18s ease;}
a:hover{color:#fff;}
img{max-width:100%;display:block;}
ul,ol{list-style:none;margin:0;padding:0;}
button,input,textarea{font-family:inherit;}
::selection{background:rgba(228,168,83,.35);color:#fff;}
.section{padding:96px 0;position:relative;}

/* container */
.container{max-width:1320px;}
@media(max-width:1440px){.container{max-width:1240px;}}

/* navbar */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1080;
  background:rgba(10,17,28,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:all .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  height:auto;
  border-bottom-color:rgba(183,215,240,.08);
  box-shadow:0 8px 26px rgba(2,8,18,.22);
}
.navbar{padding:14px 0;transition:padding .28s ease;}
.site-header.scrolled .navbar{padding:8px 0;}
.body-top{padding-top:76px;}
.navbar-brand.brand-block{display:inline-flex;align-items:center;gap:11px;padding:0;}
.brand-logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,rgba(63,175,200,.94),rgba(27,59,82,.94));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;
  box-shadow:0 0 22px rgba(63,175,200,.28),inset 0 1px 0 rgba(255,255,255,.28);
}
.brand-name{font-size:22px;font-weight:700;color:#fff;letter-spacing:.2px;line-height:1;}
.brand-name em{font-style:normal;color:var(--accent);}
.navbar-nav{gap:4px;align-items:center;}
.navbar .nav-link{
  color:var(--text-1);font-size:15.5px;font-weight:500;line-height:1.4;
  padding:9px 16px !important;border-radius:10px;position:relative;transition:all .18s ease;
}
.navbar .nav-link:hover,.navbar .nav-link:focus{color:#fff;background:rgba(224,241,255,.05);}
.navbar .nav-link.active{color:#fff;}
.navbar .nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 12px rgba(228,168,83,.7);
}
.btn-amber{
  background:linear-gradient(135deg,#F2C079 0%,var(--accent) 100%) !important;
  color:#07131F !important;font-weight:700;font-size:15px;
  border:0;border-radius:10px;padding:10px 22px;
  box-shadow:0 6px 24px rgba(228,168,83,.24),inset 0 1px 0 rgba(255,255,255,.45);
  transition:all .18s ease;
}
.btn-amber:hover,.btn-amber:focus{
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(228,168,83,.4),inset 0 1px 0 rgba(255,255,255,.5);
  color:#07131F !important;
}
.btn-amber:active{transform:translateY(0);box-shadow:0 4px 14px rgba(228,168,83,.35);}
.btn-line{
  background:rgba(224,241,255,.04);color:#EAF1F8;border:1px solid rgba(183,215,240,.3);
  border-radius:10px;padding:10px 22px;font-weight:600;font-size:15px;transition:all .18s ease;
}
.btn-line:hover{background:rgba(228,168,83,.1);border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.navbar-toggler{border:1px solid rgba(183,215,240,.25);border-radius:10px;height:44px;width:48px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;background:rgba(224,241,255,.06);}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(228,168,83,.3);}
.toggler-icon{display:block;width:20px;height:2px;background:#EAF1F8;border-radius:4px;transition:all .25s ease;}
.navbar-toggler.collapsed .toggler-icon:nth-child(2){opacity:1;}

/* page banner */
.page-hero{
  min-height:300px;
  padding:166px 0 116px;
  position:relative;
  background:url('/assets/images/backpic/back-1.webp') center 35% / cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(6,12,20,.96) 10%,rgba(6,12,20,.75) 50%,rgba(8,17,30,.45) 100%),linear-gradient(180deg,rgba(10,17,28,.88) 0%,rgba(10,17,28,.45) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-zone{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(223,240,255,.62);margin-bottom:20px;}
.breadcrumb-zone a{color:rgba(223,240,255,.72);}
.breadcrumb-zone a:hover{color:#fff;}
.breadcrumb-zone i{font-size:10px;color:rgba(223,240,255,.4);}
.page-hero h1{
  margin:0 0 14px;
  font-size:clamp(32px,4.2vw,52px);
  font-weight:800;letter-spacing:1px;color:#fff;line-height:1.28;
}
.page-hero .lead{
  max-width:760px;color:rgba(223,240,255,.78);font-size:clamp(16px,1.4vw,19px);
  margin-bottom:0;line-height:1.8;
}
.hero-meta-tags{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-meta-tags span{
  display:inline-flex;align-items:center;gap:8px;background:rgba(224,241,255,.08);
  border:1px solid rgba(183,215,240,.14);border-radius:999px;padding:7px 16px;
  font-size:13px;color:var(--text-0);backdrop-filter:blur(8px);
}
.hero-meta-tags i{color:var(--accent);font-size:12px;}

/* block headings */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13.5px;font-weight:700;letter-spacing:2px;color:var(--accent);
  margin-bottom:12px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:3px;box-shadow:0 0 10px rgba(228,168,83,.6);}
.section-title{font-size:clamp(26px,3vw,38px);font-weight:750;line-height:1.3;color:#fff;margin:0 0 16px;letter-spacing:.5px;}
.section-sub{font-size:16px;color:var(--text-1);max-width:660px;}
.section-head{padding-bottom:20px;}

/* aside index */
.aside-index{
  position:sticky;top:112px;border-radius:16px;
  background:rgba(224,241,255,.045);border:1px solid var(--line);
  backdrop-filter:blur(12px);overflow:hidden;
}
.aside-index .aside-title{
  padding:20px 24px 14px;font-size:16px;font-weight:650;color:#fff;
  border-bottom:1px solid rgba(183,215,240,.1);
}
.aside-index ul{padding:10px 12px 16px;}
.aside-index li a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  color:var(--text-1);font-size:14.5px;padding:11px 14px;border-radius:10px;
  margin-bottom:2px;transition:all .16s;
}
.aside-index li a i{font-size:11px;opacity:0;color:var(--accent);transition:opacity .16s;}
.aside-index li a:hover{background:rgba(224,241,255,.075);color:#fff;padding-left:18px;}
.aside-index li a:hover i{opacity:1;}
.aside-index li.active a{background:rgba(228,168,83,.13);color:var(--accent);}
.aside-index .aside-extra{
  border-top:1px solid var(--line);padding:20px 24px;background:rgba(10,17,28,.28);
}
.aside-index .aside-extra p{font-size:13px;color:var(--text-2);margin-bottom:12px;}
.aside-index .aside-extra button{width:100%;}

/* media cards */
.cat-card{
  background:rgba(224,241,255,.05);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.cat-card:hover{
  transform:translateY(-5px);border-color:rgba(228,168,83,.42);
  box-shadow:0 18px 36px rgba(2,8,18,.35),0 0 0 1px rgba(228,168,83,.08);
}
.cat-card .card-media{
  aspect-ratio:16/10;overflow:hidden;position:relative;background:linear-gradient(135deg,#0E1C2C,#101F31);
}
.cat-card .card-media img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.cat-card:hover .card-media img{transform:scale(1.05);}
.card-media .media-badge{
  position:absolute;left:14px;top:14px;z-index:3;
  background:rgba(8,15,24,.75);backdrop-filter:blur(8px);
  border:1px solid rgba(228,168,83,.35);color:var(--accent);
  font-size:12px;font-weight:600;padding:4px 13px;border-radius:999px;letter-spacing:.3px;
}
.card-body-cat{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column;}
.card-body-cat h3{font-size:19px;font-weight:650;color:#fff;margin:0 0 10px;line-height:1.42;}
.card-body-cat p{color:var(--text-1);font-size:14.5px;line-height:1.75;margin:0 0 16px;flex:1;}
.card-body-cat .cat-link{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-size:14px;font-weight:600;}
.card-body-cat .cat-link i{transition:transform .2s;}
.card-body-cat .cat-link:hover i{transform:translateX(4px);}
.card-empty-load{
  background:rgba(224,241,255,.04);border:1px dashed rgba(183,215,240,.2);
  border-radius:16px;padding:46px;color:var(--text-2);
}

/* services */
.svc-area{background:linear-gradient(180deg,rgba(10,17,28,0) 0%,rgba(13,24,40,.62) 48%,rgba(10,17,28,0) 100%);}
.svc-list-wrap{display:flex;flex-direction:column;}
.svc-line{
  display:grid;grid-template-columns:58px 1fr auto;
  align-items:center;gap:20px;padding:20px 12px;
  border-bottom:1px solid rgba(183,215,240,.1);
  border-left:3px solid transparent;
  border-radius:0 10px 10px 0;
  transition:background .16s,border-color .16s;
}
.svc-line:first-child{border-top:1px solid rgba(183,215,240,.1);}
.svc-line:hover{background:rgba(224,241,255,.03);border-left-color:var(--accent);}
.svc-no{font-size:14px;font-weight:800;color:rgba(228,168,83,.75);letter-spacing:.5px;font-variant-numeric:tabular-nums;}
.svc-info h3{font-size:17px;font-weight:650;color:#fff;margin:0 0 5px;}
.svc-info p{font-size:14px;color:var(--text-1);margin:0;line-height:1.65;max-width:600px;}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;}
.svc-tags .tag{
  display:inline-flex;background:rgba(63,175,200,.08);
  border:1px solid rgba(63,175,200,.2);color:var(--brand-b);
  font-size:12px;border-radius:999px;padding:3px 12px;font-weight:500;
}
.svc-arrow{color:rgba(223,240,255,.32);font-size:16px;transition:all .2s;}
.svc-line:hover .svc-arrow{color:var(--accent);transform:translateX(5px);}

/* flow */
.flow-step{
  background:rgba(224,241,255,.045);border:1px solid var(--line);
  border-radius:16px;padding:28px 24px;height:100%;position:relative;
  transition:border-color .2s,background .2s;
}
.flow-step:hover{border-color:rgba(63,175,200,.35);background:rgba(224,241,255,.06);}
.flow-step .flow-no{
  display:inline-flex;width:38px;height:38px;border-radius:12px;align-items:center;justify-content:center;
  background:rgba(63,175,200,.1);color:var(--brand-b);border:1px solid rgba(63,175,200,.24);
  font-size:15px;font-weight:800;margin-bottom:18px;
}
.flow-step h3{font-size:18px;font-weight:650;color:#fff;margin:0 0 8px;}
.flow-step p{color:var(--text-1);font-size:14px;margin:0;line-height:1.7;}
.flow-arrow{position:absolute;right:-16px;top:45%;width:32px;height:32px;border-radius:50%;background:#101F31;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:13px;z-index:2;}
@media(max-width:991px){.flow-arrow{display:none;}}

/* reasons */
.reason-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.reason-item{
  background:rgba(224,241,255,.04);border:1px solid var(--line);border-radius:16px;
  padding:28px 22px;transition:all .2s ease;
}
.reason-item:hover{transform:translateY(-4px);border-color:rgba(228,168,83,.35);background:rgba(224,241,255,.06);}
.reason-item .icon-bubble{
  width:44px;height:44px;border-radius:14px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  background:rgba(63,175,200,.1);color:var(--cyan);border:1px solid rgba(63,175,200,.22);
}
.reason-item:nth-child(2) .icon-bubble{background:rgba(228,168,83,.1);color:var(--accent);border-color:rgba(228,168,83,.22);}
.reason-item:nth-child(3) .icon-bubble{background:rgba(63,197,142,.1);color:var(--success);border-color:rgba(63,197,142,.22);}
.reason-item:nth-child(4) .icon-bubble{background:rgba(230,107,107,.08);color:#F29C9C;border-color:rgba(230,107,107,.2);}
.reason-item h3{font-size:17px;font-weight:650;color:#fff;margin-bottom:9px;}
.reason-item p{font-size:14px;color:var(--text-1);margin:0;line-height:1.68;}

/* faq */
.faq-area{background:linear-gradient(180deg,rgba(10,17,28,0),rgba(13,24,40,.44),rgba(10,17,28,0));}
.accordion-item{
  background:rgba(224,241,255,.035);border:1px solid var(--line) !important;border-radius:14px !important;
  margin-bottom:16px;overflow:hidden;box-shadow:0 8px 20px rgba(2,8,18,.12);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  background:transparent !important;color:#fff !important;
  font-size:16px;font-weight:600;padding:18px 24px;
  position:relative;transition:all .2s;
}
.accordion-button::after{
  background:none !important;width:0;height:0;
}
.accordion-button .acc-ico{
  margin-left:auto;width:24px;height:24px;flex:0 0 24px;border-radius:50%;
  border:1px solid rgba(183,215,240,.25);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--accent);transition:transform .25s;
}
.accordion-button:not(.collapsed) .acc-ico{transform:rotate(45deg);}
.accordion-button:focus{box-shadow:none;}
.accordion-button:not(.collapsed){box-shadow:none;background:transparent !important;border-left:3px solid var(--accent);border-top-left-radius:14px;border-bottom-left-radius:0;}
.accordion-item .accordion-body{padding:2px 24px 22px;color:var(--text-1);font-size:15px;line-height:1.8;border-top:1px solid rgba(183,215,240,.07);}
.accordion-item .accordion-body p{margin:0;}

/* cta / contact */
.cta-panel{
  background:linear-gradient(120deg,rgba(14,25,43,.96),rgba(11,18,30,.92));
  border:1px solid rgba(183,215,240,.16);border-radius:22px;
  overflow:hidden;position:relative;
  box-shadow:0 24px 60px rgba(2,8,18,.35);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 12% 0%,rgba(63,175,200,.18),transparent 32%),
             radial-gradient(circle at 80% 100%,rgba(228,168,83,.1),transparent 30%);
}
.cta-panel .cta-left{padding:54px 48px;position:relative;z-index:2;}
.cta-panel .cta-right{padding:46px 46px 46px 24px;position:relative;z-index:2;}
.cta-left h2{font-size:clamp(26px,3vw,38px);font-weight:750;color:#fff;line-height:1.4;margin-bottom:14px;}
.cta-left ul{margin-top:28px;}
.cta-left ul li{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;color:var(--text-1);font-size:15px;}
.cta-left ul li i{color:var(--success);margin-top:6px;font-size:13px;}
.cta-left ul li b{color:#EAF1F8;font-weight:600;}
.form-card{
  background:rgba(224,241,255,.045);border:1px solid rgba(183,215,240,.15);border-radius:16px;
  padding:28px 30px;backdrop-filter:blur(12px);
}
.form-label{
  font-size:13.5px;font-weight:600;color:var(--text-1);margin-bottom:7px;letter-spacing:.2px;
}
.form-control,.form-select{
  background:rgba(12,22,34,.72);border:1px solid rgba(197,218,235,.16);
  border-radius:10px;height:48px;color:#EAF1F8;
  padding:11px 16px;font-size:15px;transition:all .2s;
}
textarea.form-control{min-height:110px;resize:vertical;}
.form-control:focus,.form-select:focus{
  background:rgba(12,22,34,.9);color:#fff;
  border-color:var(--brand-b);
  box-shadow:0 0 0 3px rgba(63,175,200,.25);
}
.form-select option{background:#0E192B;color:#EAF1F8;}
.form-control::placeholder{color:#7A8FA6;opacity:.85;}
.btn-cta{
  background:linear-gradient(135deg,#F0BE78 0%,var(--accent) 100%);
  border:0;border-radius:10px;height:48px;width:100%;
  color:#07131F;font-weight:700;font-size:16px;
  box-shadow:0 8px 22px rgba(228,168,83,.28),inset 0 1px 0 rgba(255,255,255,.35);
  transition:all .2s ease;
}
.btn-cta:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(228,168,83,.4);color:#07131F;}
.btn-cta:active{transform:translateY(0) scale(.99);box-shadow:0 4px 12px rgba(228,168,83,.3);}
.form-note{color:var(--text-2);font-size:13px;text-align:center;margin-top:12px;}

/* footer */
.site-footer{
  background:#070D15;border-top:1px solid rgba(183,215,240,.1);
  padding-top:64px;padding-bottom:0;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:750;color:#fff;margin-bottom:16px;}
.footer-brand em{color:var(--accent);}
.footer-about{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:360px;}
.footer-title{font-size:14px;font-weight:650;color:#fff;letter-spacing:.5px;margin-bottom:18px;}
.footer-links li{margin-bottom:8px;}
.footer-links a{color:var(--text-2);font-size:14px;transition:color .2s;display:inline-flex;align-items:center;gap:5px;}
.footer-links a i{font-size:12px;color:rgba(228,168,83,.7);}
.footer-links a:hover{color:var(--accent);padding-left:3px;}
.footer-contact li{display:flex;align-items:center;gap:10px;color:var(--text-2);font-size:14px;line-height:1.7;margin-bottom:8px;}
.footer-contact li i{color:var(--brand-b);}
.footer-bottom{border-top:1px solid rgba(183,215,240,.09);padding:24px 0;margin-top:56px;font-size:13.5px;color:rgba(223,240,255,.45);}
.footer-bottom a{color:rgba(223,240,255,.5);}
.footer-bottom a:hover{color:#fff;}

/* section spacing */
.lead-gap{margin-top:20px;}

@media(min-width:992px){
  .navbar-expand-lg .navbar-collapse{gap:4px;}
  .nav-cta{margin-left:12px;padding:9px 20px !important;border-radius:10px;}
}
@media(max-width:991.98px){
  .section{padding:60px 0;}
  .site-header .navbar{padding:10px 0;}
  .navbar-collapse{
    width:100%;margin-top:12px;
    background:rgba(8,14,23,.94);
    border:1px solid rgba(183,215,240,.12);border-radius:16px;
    padding:16px 14px;backdrop-filter:blur(16px);
    box-shadow:0 14px 34px rgba(2,8,18,.35);
  }
  .navbar-collapse .navbar-nav{gap:4px;align-items:flex-start;}
  .navbar-collapse .navbar-nav .nav-link{width:100%;border-radius:10px;}
  .navbar .nav-link.active::after{left:14px;right:auto;top:0;bottom:0;width:3px;height:auto;}
  .nav-cta{margin-top:10px;width:100%;justify-content:center;display:flex;}
  .page-hero{padding:130px 0 80px;min-height:auto;background-position:75% center;}
  .cta-panel .cta-left,.cta-panel .cta-right{padding:32px 24px;}
  .reason-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
}
@media(max-width:767px){
  .svc-line{grid-template-columns:34px 1fr;gap:10px;padding:18px 8px;}
  .svc-tags{grid-column:2;margin-top:2px;}
  .svc-arrow{display:none;}
  .reason-grid{grid-template-columns:1fr 1fr;}
  .section-sub{font-size:15px;}
  .page-hero .lead{font-size:15.5px;}
  .footer-bottom .text-md-end{text-align:left !important;margin-top:10px;}
  .accordion-button{font-size:15px;padding:16px 16px 16px 18px;}
  .accordion-item .accordion-body{padding:2px 18px 18px;}
}
@media(max-width:575px){
  .container{padding-left:22px;padding-right:22px;}
  .reason-grid{grid-template-columns:1fr;}
  .page-hero{padding:116px 0 64px;}
  .brand-name{font-size:20px;}
  .hero-meta-tags span{padding:6px 12px;}
  .cta-panel .cta-left,.cta-panel .cta-right{padding:28px 20px;}
  .section-title{font-size:24px;}
}

/* roulang page: article */
:root {
            --ink-0: #0A111C;
            --ink-1: #0C1624;
            --ink-2: #10202F;
            --bg-deep: #09111D;
            --bg-panel: rgba(226, 242, 255, 0.045);
            --glass-high: rgba(244, 252, 255, 0.07);
            --brand-a: #3FAFC8;
            --brand-deep: #1B3B52;
            --accent: #E4A853;
            --accent-strong: #F0B75E;
            --success: #3FC58E;
            --danger: #E66B6B;
            --data-cyan: #58D6E6;
            --text-main: #EAF1F8;
            --text-sub: #98AABC;
            --text-weak: #64748B;
            --line: rgba(183, 215, 240, 0.12);
            --line-soft: rgba(183, 215, 240, 0.08);
            --radius-xl: 20px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 18px 40px rgba(2, 8, 18, 0.28);
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
            --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }

        html {
            scroll-behavior: smooth;
        }

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

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: linear-gradient(180deg, #09111D 0%, #0B1520 42%, #0A1620 100%);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-wrap: break-word;
        }

        img {
            max-width: 100%;
        }

        a {
            color: var(--brand-a);
            text-decoration: none;
            transition: color .18s ease, border-color .18s ease, background .18s ease;
        }

        a:hover {
            color: #ffffff;
        }

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .nav-link:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(228, 168, 83, 0.32);
            border-radius: 6px;
        }

        .container {
            max-width: 1320px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            width: 100%;
            padding: 18px 0;
            background: linear-gradient(180deg, rgba(7, 12, 22, 0.88), rgba(8, 14, 24, 0.55));
            transition: padding .22s ease, background .22s ease, box-shadow .22s ease, border-color .22s ease;
            border-bottom: 1px solid transparent;
            will-change: background;
        }

        .site-header.scrolled {
            padding: 9px 0;
            background: rgba(10, 17, 28, 0.92);
            border-bottom: 1px solid rgba(183, 215, 240, 0.08);
            box-shadow: 0 12px 32px rgba(1, 5, 12, 0.24);
        }

        .site-header .navbar {
            padding: 0;
        }

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

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(145deg, rgba(63, 175, 200, .22), rgba(228, 168, 83, .16));
            color: var(--accent);
            font-size: 17px;
            line-height: 1;
            border: 1px solid rgba(228, 168, 83, 0.24);
            box-shadow: inset 0 0 14px rgba(228, 168, 83, 0.08), 0 8px 20px rgba(0, 0, 0, .16);
            transform: rotate(-2deg);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .navbar-brand:hover .brand-logo {
            transform: rotate(2deg) scale(1.03);
            box-shadow: 0 0 0 4px rgba(228, 168, 83, .08), 0 10px 24px rgba(0, 0, 0, .2);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .02em;
            color: var(--text-main);
            line-height: 1.1;
        }

        .brand-name em {
            font-style: normal;
            color: var(--accent);
            margin-left: 2px;
        }

        .navbar-nav {
            align-items: center;
            gap: 2px;
        }

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px;
            color: var(--text-sub);
            border-radius: 10px;
            position: relative;
            transition: color .18s ease, background .18s ease;
        }

        .site-header .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .22s ease;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link.active {
            color: #fff;
            background: rgba(63, 175, 200, 0.06);
        }

        .site-header .nav-link.active::after,
        .site-header .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-cta {
            margin-left: 10px;
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            border-radius: 10px;
        }

        .navbar-toggler {
            border: 1px solid rgba(183, 215, 240, .18);
            width: 44px;
            height: 40px;
            padding: 8px 10px;
            border-radius: 10px;
            background: rgba(12, 22, 34, .4);
            box-shadow: none;
            outline: none;
        }

        .navbar-toggler:focus,
        .navbar-toggler:active {
            box-shadow: 0 0 0 3px rgba(228, 168, 83, 0.18);
            outline: none;
            border-color: rgba(228, 168, 83, .45);
        }

        .toggler-icon {
            display: block;
            height: 2px;
            width: 100%;
            border-radius: 2px;
            background: var(--text-main);
            margin: 4px 0;
            transition: transform .2s ease, opacity .2s ease;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                margin-top: 14px;
                background: rgba(9, 15, 26, 0.98);
                border: 1px solid var(--line-soft);
                border-radius: 16px;
                padding: 16px 12px;
                box-shadow: var(--shadow-card);
            }

            .site-header .navbar-nav {
                align-items: stretch;
                gap: 2px;
            }

            .site-header .nav-link {
                padding: 12px 10px;
                font-size: 15px;
            }

            .site-header .nav-link::after {
                left: 10px;
                right: auto;
                width: 3px;
                height: 14px;
                top: 50%;
                bottom: auto;
                transform: translateY(-50%) scaleY(0);
                transform-origin: center;
            }

            .site-header .nav-link.active::after {
                transform: translateY(-50%) scaleY(1);
            }

            .nav-cta {
                margin-left: 0;
                margin-top: 10px;
                text-align: center;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            font-weight: 600;
            letter-spacing: .01em;
            border: 1px solid transparent;
            transition: all .18s ease;
        }

        .btn-amber {
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #07131F !important;
            border-color: rgba(240, 183, 94, .65);
            box-shadow: 0 8px 20px rgba(228, 168, 83, .16), inset 0 1px 0 rgba(255, 255, 255, .25);
            text-decoration: none;
        }

        .btn-amber:hover {
            transform: translateY(-2px);
            color: #07131F !important;
            box-shadow: 0 14px 30px rgba(228, 168, 83, .28), inset 0 1px 0 rgba(255, 255, 255, .32);
            background: linear-gradient(135deg, #EEB55E, #FFC675);
        }

        .btn-amber:active {
            transform: scale(.98);
            box-shadow: 0 4px 14px rgba(228, 168, 83, .18);
        }

        .btn-ghost {
            background: rgba(226, 242, 255, .04);
            border: 1px solid rgba(183, 215, 240, .18);
            color: var(--text-main) !important;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
        }

        .btn-ghost:hover {
            background: rgba(228, 168, 83, .08);
            border-color: rgba(228, 168, 83, .38);
            color: #fff !important;
            transform: translateY(-1px);
        }

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

        .page-head {
            position: relative;
            padding: 132px 0 44px;
            background-image: linear-gradient(90deg, rgba(8, 13, 22, .92) 0%, rgba(10, 18, 30, .78) 42%, rgba(13, 23, 35, .55) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .page-head::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: linear-gradient(180deg, rgba(8, 13, 22, .3), rgba(8, 13, 22, .6));
        }

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

        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(223, 235, 245, .62);
            margin: 0 0 8px;
            padding: 0;
        }

        .breadcrumb-nav a {
            color: rgba(223, 235, 245, .72);
            transition: color .18s ease;
        }

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

        .breadcrumb-nav .breadcrumb-sep {
            color: rgba(223, 235, 245, .32);
            font-size: 12px;
        }

        .breadcrumb-nav .breadcrumb-current {
            color: #fff;
            font-weight: 500;
        }

        .page-head-kicker {
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            letter-spacing: .08em;
            margin-top: 4px;
        }

        .page-head-kicker i {
            margin-right: 6px;
        }

        .article-area {
            padding: 56px 0 36px;
        }

        .article-frame {
            background: rgba(226, 242, 255, 0.045);
            border: 1px solid rgba(183, 215, 240, .1);
            border-radius: var(--radius-xl);
            padding: clamp(24px, 5vw, 56px);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            position: relative;
        }

        .article-frame::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            border-radius: 999px;
            background: linear-gradient(90deg, rgba(228, 168, 83, .24), rgba(63, 175, 200, .12), transparent);
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: rgba(63, 175, 200, .13);
            border: 1px solid rgba(63, 175, 200, .2);
            color: #9BE7F2;
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .article-category i {
            font-size: 12px;
        }

        .article-title {
            font-size: clamp(28px, 4.4vw, 46px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -.01em;
            color: #F4FAFF;
            margin-bottom: 20px;
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            color: rgba(223, 235, 245, .66);
            font-size: 13px;
            border-bottom: 1px solid rgba(183, 215, 240, .08);
            padding-bottom: 22px;
            margin-bottom: 26px;
        }

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

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

        .article-body {
            max-width: 100%;
            color: #E4EEF6;
        }

        .article-body > * {
            margin-top: 0;
            margin-bottom: 1.9rem;
        }

        .article-body p,
        .article-body li {
            font-size: 16px;
            line-height: 1.9;
            color: #DDEAF4;
        }

        .article-body h1,
        .article-body h2,
        .article-body h3,
        .article-body h4,
        .article-body h5,
        .article-body h6 {
            color: #F7FBFF;
            font-weight: 700;
            line-height: 1.4;
            margin-top: 2.4rem;
            margin-bottom: 1rem;
        }

        .article-body h2 {
            font-size: clamp(21px, 2.8vw, 28px);
        }

        .article-body h3 {
            font-size: clamp(18px, 2vw, 22px);
        }

        .article-body h4 {
            font-size: 17px;
        }

        .article-body a {
            color: #66C8DB;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

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

        .article-body strong {
            color: #ffffff;
            font-weight: 700;
        }

        .article-body img {
            border-radius: 16px;
            margin: 26px 0;
            box-shadow: 0 16px 34px rgba(0, 0, 0, .22);
            display: block;
            width: auto;
            max-width: 100%;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.2rem;
        }

        .article-body li {
            margin-bottom: .64rem;
        }

        .article-body li::marker {
            color: var(--accent);
        }

        .article-body blockquote {
            position: relative;
            border: 1px solid rgba(63, 175, 200, .16);
            border-left: 4px solid var(--accent);
            background: rgba(63, 175, 200, .06);
            border-radius: 0 14px 14px 0;
            padding: 20px 24px;
            font-size: 16px;
            color: #D5E5F0;
        }

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

        .article-body table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border: 1px solid rgba(183, 215, 240, .12);
            border-radius: 14px;
            overflow: hidden;
            font-size: 14px;
        }

        .article-body table thead th {
            background: rgba(18, 33, 50, .86);
            color: #EAF1F8;
            padding: 12px 16px;
            border-bottom: 1px solid rgba(183, 215, 240, .12);
            white-space: nowrap;
            font-weight: 700;
        }

        .article-body table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid rgba(183, 215, 240, .07);
            background: rgba(12, 22, 34, .45);
            color: #DDEAF4;
        }

        .article-body table tbody tr:nth-child(even) td {
            background: rgba(16, 30, 45, .55);
        }

        .article-body table tbody tr:last-child td {
            border-bottom: 0;
        }

        .article-body pre {
            background: #0A1420;
            border: 1px solid var(--line-soft);
            border-radius: 14px;
            padding: 18px;
            overflow-x: auto;
            font-family: var(--font-mono);
            font-size: 13px;
            line-height: 1.7;
            color: #C6E4EC;
        }

        .article-body code {
            font-family: var(--font-mono);
            background: rgba(63, 175, 200, .08);
            border: 1px solid rgba(63, 175, 200, .1);
            border-radius: 6px;
            padding: 2px 7px;
            font-size: 13px;
            color: #9BE7F2;
        }

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

        .article-body hr {
            border: 0;
            height: 1px;
            background: var(--line-soft);
            margin: 2.8rem 0;
        }

        .article-tag-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin: 34px 0 20px;
            padding: 18px 0;
            border-top: 1px solid rgba(183, 215, 240, .08);
            border-bottom: 1px solid rgba(183, 215, 240, .08);
        }

        .article-tag-row .row-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-right: 4px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            font-size: 13px;
            color: var(--text-sub);
            background: rgba(226, 242, 255, .04);
            border: 1px solid rgba(183, 215, 240, .14);
            border-radius: 999px;
        }

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

        .article-pager {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-top: 26px;
        }

        .pager-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-sub);
            font-size: 14px;
            padding: 10px 18px;
            border: 1px solid rgba(183, 215, 240, .1);
            border-radius: 999px;
            background: rgba(226, 242, 255, .025);
            transition: all .18s ease;
        }

        .pager-link:hover {
            color: var(--accent);
            border-color: rgba(228, 168, 83, .32);
            background: rgba(228, 168, 83, .06);
        }

        .empty-state {
            text-align: center;
            padding: 80px 20px 70px;
            max-width: 680px;
            margin: 0 auto;
        }

        .empty-state .empty-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 78px;
            height: 78px;
            font-size: 32px;
            border-radius: 24px;
            background: rgba(228, 168, 83, .1);
            border: 1px solid rgba(228, 168, 83, .2);
            color: var(--accent);
            margin-bottom: 24px;
        }

        .empty-state h2 {
            font-size: 28px;
            font-weight: 700;
            color: #F0F7FC;
            margin-bottom: 12px;
        }

        .empty-state p {
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .section-area {
            padding: 70px 0;
        }

        .section-area + .section-area {
            padding-top: 10px;
        }

        .section-head {
            margin-bottom: 34px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: .14em;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            color: #F0F7FC;
            line-height: 1.35;
        }

        .section-copy {
            color: var(--text-sub);
            max-width: 720px;
            line-height: 1.8;
            margin-top: 8px;
        }

        .continue-card {
            background: rgba(226, 242, 255, .04);
            border: 1px solid rgba(183, 215, 240, .1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
            display: flex;
            flex-direction: column;
        }

        .continue-card:hover {
            transform: translateY(-4px);
            border-color: rgba(228, 168, 83, .4);
            box-shadow: 0 18px 38px rgba(0, 0, 0, .26);
        }

        .continue-card .thumb-wrap {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
            background: linear-gradient(180deg, #0B1620, #13212F);
        }

        .continue-card .thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .continue-card:hover .thumb-wrap img {
            transform: scale(1.04);
        }

        .continue-card .thumb-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3, 8, 14, .02), rgba(3, 8, 14, .38));
        }

        .continue-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .continue-card .card-category {
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .05em;
            margin-bottom: 8px;
        }

        .continue-card .card-title {
            font-size: 20px;
            font-weight: 700;
            color: #F0F6FC;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .continue-card .card-desc {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .continue-card .card-link {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: #8EDBEB;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .continue-card .card-link i {
            transition: transform .18s ease;
        }

        .continue-card:hover .card-link i {
            transform: translateX(4px);
        }

        .faq-block {
            background: rgba(226, 242, 255, .03);
            border-top: 1px solid var(--line-soft);
            border-bottom: 1px solid var(--line-soft);
        }

        .faq-card {
            background: rgba(226, 242, 255, .045);
            border: 1px solid rgba(183, 215, 240, .1);
            border-radius: 14px;
            overflow: hidden;
            margin-bottom: 14px;
            transition: border-color .18s ease, background .18s ease;
        }

        .faq-card:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(228, 168, 83, .24);
            background: rgba(228, 168, 83, .035);
        }

        .faq-card .accordion-button {
            background: transparent;
            font-size: 16px;
            font-weight: 600;
            color: #E4EEF6;
            padding: 18px 22px;
            box-shadow: none;
            border: 0;
            position: relative;
            min-height: 54px;
        }

        .faq-card .accordion-button::after {
            background: none;
            content: "+";
            font-size: 23px;
            font-weight: 400;
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform .2s ease;
        }

        .faq-card .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .faq-card .accordion-button::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20px;
            bottom: 20px;
            width: 3px;
            border-radius: 0 4px 4px 0;
            background: var(--accent);
            opacity: 0;
            transition: opacity .18s ease;
        }

        .faq-card .accordion-button:not(.collapsed)::before {
            opacity: 1;
        }

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

        .faq-card .accordion-body {
            padding: 0 22px 20px 24px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.85;
        }

        .contact-cta {
            padding: 78px 0 90px;
        }

        .contact-cta .cta-panel {
            position: relative;
            background: linear-gradient(135deg, rgba(10, 17, 30, .88), rgba(16, 31, 46, .82));
            border: 1px solid rgba(183, 215, 240, .12);
            border-radius: 22px;
            padding: clamp(28px, 5vw, 44px);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .contact-cta .cta-panel::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(228, 168, 83, .1), transparent 68%);
            pointer-events: none;
        }

        .contact-cta .cta-title {
            font-size: clamp(22px, 2.4vw, 30px);
            font-weight: 700;
            color: #F0F7FC;
            margin-bottom: 12px;
        }

        .contact-cta .cta-desc {
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 26px;
        }

        .contact-cta .cta-phone {
            color: var(--text-main);
            font-weight: 600;
            font-size: 17px;
            margin-bottom: 6px;
        }

        .contact-cta .cta-phone i {
            color: var(--accent);
            margin-right: 8px;
        }

        .site-footer {
            background: #07101B;
            border-top: 1px solid rgba(183, 215, 240, .07);
            padding: 64px 0 0;
            color: var(--text-sub);
        }

        .footer-main {
            padding-bottom: 36px;
        }

        .footer-brand img {
            max-width: 100%;
            height: auto;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 19px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .footer-brand em {
            font-style: normal;
            color: var(--accent);
            margin-left: 2px;
        }

        .footer-about {
            color: rgba(223, 235, 245, .58);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-title {
            color: var(--text-main);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

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

        .footer-links a {
            color: rgba(223, 235, 245, .64);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .18s ease;
        }

        .footer-links a i {
            color: rgba(228, 168, 83, .72);
            font-size: 10px;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(223, 235, 245, .6);
        }

        .footer-contact i {
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(226, 242, 255, .04);
            border: 1px solid rgba(183, 215, 240, .08);
            color: var(--accent);
            font-size: 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(183, 215, 240, .06);
            padding: 22px 0;
            font-size: 13px;
            color: rgba(223, 235, 245, .4);
        }

        .footer-bottom a {
            color: rgba(223, 235, 245, .48);
        }

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

        .back-top {
            position: fixed;
            right: 26px;
            bottom: 30px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(228, 168, 83, .2);
            border: 1px solid rgba(228, 168, 83, .3);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            opacity: 0;
            pointer-events: none;
            transform: translateY(12px);
            transition: all .22s ease;
            z-index: 1060;
        }

        .back-top.show {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .back-top:hover {
            background: rgba(228, 168, 83, .33);
            color: #fff;
        }

        @media (max-width: 992px) {
            .article-area {
                padding-top: 36px;
            }

            .article-frame {
                padding: 24px;
            }

            .section-area {
                padding: 56px 0;
            }

            .contact-cta {
                padding: 56px 0 64px;
            }
        }

        @media (max-width: 768px) {
            .page-head {
                padding-top: 112px;
                padding-bottom: 32px;
            }

            .article-frame {
                padding: 22px;
                border-radius: 16px;
            }

            .breadcrumb-nav {
                font-size: 12px;
            }

            .section-title {
                font-size: 25px;
            }

            .article-meta-line {
                gap: 8px 14px;
            }

            .article-pager {
                flex-direction: column;
                align-items: flex-start;
            }

            .contact-cta {
                padding: 44px 0 50px;
            }

            .footer-bottom .text-md-end {
                text-align: left;
                margin-top: 6px;
            }

            .back-top {
                right: 16px;
                bottom: 16px;
            }
        }

        @media (max-width: 520px) {
            .brand-name {
                font-size: 18px;
            }

            .article-area {
                padding-top: 24px;
            }

            .article-frame {
                padding: 18px;
            }

            .article-title {
                font-size: 25px;
            }

            .article-body p,
            .article-body li {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-tag-row {
                display: block;
            }

            .article-tag-row .row-label {
                display: block;
                margin-bottom: 8px;
            }

            .continue-card .card-body {
                padding: 18px;
            }

            .cta-title {
                font-size: 22px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                transition: none !important;
            }
        }

/* roulang page: category2 */
:root {
  --bg-ink: #0A111C;
  --bg-well: #0E192B;
  --bg-panel: rgba(224, 241, 255, 0.045);
  --bg-panel-2: rgba(224, 241, 255, 0.07);
  --line: rgba(183, 215, 240, 0.12);
  --line-soft: rgba(183, 215, 240, 0.08);
  --brand-a: #3FAFC8;
  --brand-b: #1B3B52;
  --accent: #E4A853;
  --accent-strong: #F4C075;
  --ok: #3FC58E;
  --bad: #E66B6B;
  --text-0: #EAF1F8;
  --text-1: #98AABC;
  --text-2: #64748B;
  --r-lg: 16px;
  --r-md: 12px;
  --r-sm: 10px;
  --shadow-card: 0 12px 30px rgba(2, 8, 18, 0.28);
  --radius-pill: 999px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "system-ui", -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: linear-gradient(165deg, #0A111C 0%, #0C1626 42%, #09111D 100%);
  background-color: var(--bg-ink);
  color: var(--text-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: var(--brand-a);
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: #7BD4E6;
}

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

.container {
  max-width: 1280px;
  padding-left: 20px;
  padding-right: 20px;
}

.row {
  --bs-gutter-x: 1.5rem;
}

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

.btn {
  border-radius: var(--r-sm);
  font-weight: 600;
  letter-spacing: .01em;
  transition: all .18s ease;
}

.btn:focus,
.btn:focus-visible {
  box-shadow: 0 0 0 4px rgba(228, 168, 83, 0.28);
}

.btn-amber {
  background: var(--accent);
  border-color: var(--accent);
  color: #07131F;
  box-shadow: 0 6px 24px rgba(228, 168, 83, 0.28);
}

.btn-amber:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #07131F;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(228, 168, 83, 0.38);
}

.btn-amber:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 4px 16px rgba(228, 168, 83, 0.22);
}

.btn-line {
  background: transparent;
  border: 1px solid rgba(183, 215, 240, 0.2);
  color: var(--text-0);
}

.btn-line:hover {
  border-color: rgba(228, 168, 83, 0.55);
  background: rgba(228, 168, 83, 0.08);
  color: var(--accent-strong);
  transform: translateY(-2px);
}

.page-hero {
  padding: 180px 0 72px;
  position: relative;
  background-color: #0b1422;
}

.category-hero {
  background-image: linear-gradient(90deg, rgba(5, 9, 16, 0.96) 0%, rgba(8, 15, 27, 0.78) 32%, rgba(9, 16, 27, 0.62) 72%, rgba(10, 18, 32, 0.34) 100%), url("/assets/images/backpic/back-3.webp");
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--line);
}

.page-hero .page-breadcrumb {
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-1);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-hero .page-breadcrumb i {
  font-size: 10px;
  color: var(--text-2);
}

.page-hero .page-breadcrumb a {
  color: var(--text-1);
}

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

.hero-title-block h1 {
  font-size: clamp(34px, 4.6vw, 52px);
  font-weight: 780;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 16px;
}

.hero-title-block .hero-desc {
  font-size: clamp(15px, 1.6vw, 18px);
  color: rgba(208, 228, 244, 0.78);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 0;
}

.hero-title-block .hero-meta-line {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-tag {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(183, 215, 240, 0.16);
  background: rgba(224, 241, 255, 0.06);
  color: var(--text-1);
}

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

.page-section {
  padding: 92px 0;
}

.section-toolbar {
  margin-bottom: 42px;
}

.section-toolbar .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .08em;
  font-weight: 600;
  margin-bottom: 10px;
}

.section-toolbar .eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-pill);
  opacity: .8;
}

.section-toolbar h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 720;
  margin: 0;
  line-height: 1.35;
}

.section-toolbar .toolbar-sub {
  color: var(--text-1);
  font-size: 16px;
  margin-top: 10px;
  max-width: 680px;
}

.section-toolbar .more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-1);
  border-bottom: 1px solid transparent;
}

.section-toolbar .more-link:hover {
  color: var(--accent);
  border-bottom-color: rgba(228, 168, 83, 0.4);
}

.guide-structure {
  border-bottom: 1px solid var(--line-soft);
}

.guide-wrapper {
  display: grid;
  grid-template-columns: 370px 1fr;
  gap: 48px;
  align-items: start;
}

.toc-card {
  position: sticky;
  top: 112px;
  border-radius: var(--r-lg);
  padding: 26px;
  background: linear-gradient(180deg, rgba(16, 29, 45, 0.86) 0%, rgba(12, 21, 35, 0.7) 100%);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
}

.toc-card .toc-title {
  font-size: 16px;
  font-weight: 680;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.toc-card .toc-title span {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(228, 168, 83, 0.14);
  border: 1px solid rgba(228, 168, 83, 0.28);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

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

.toc-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  color: var(--text-0);
  border: 1px solid transparent;
  transition: all .2s ease;
  font-weight: 500;
}

.toc-list a i {
  width: 20px;
  font-size: 12px;
  color: var(--text-2);
  text-align: center;
  transition: color .2s;
}

.toc-list a:hover {
  background: rgba(224, 241, 255, 0.06);
  border-color: var(--line-soft);
  color: var(--brand-a);
}

.toc-list a:hover i {
  color: var(--brand-a);
}

.toc-list a.is-active {
  background: rgba(228, 168, 83, 0.1);
  border-color: rgba(228, 168, 83, 0.22);
  color: var(--accent);
}

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

.toc-empty-tip {
  margin-top: 18px;
  padding: 16px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(183, 215, 240, 0.14);
  background: rgba(224, 241, 255, 0.03);
  font-size: 13px;
  color: var(--text-1);
  line-height: 1.7;
}

.toc-empty-tip a {
  color: var(--accent);
  border-bottom: 1px solid rgba(228, 168, 83, 0.4);
}

.guide-posts {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.guide-post-card {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 22px;
  background: linear-gradient(140deg, rgba(14, 27, 43, 0.82), rgba(12, 22, 36, 0.55));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 18px;
  transition: all .22s ease;
  box-shadow: 0 8px 26px rgba(2, 8, 18, 0.12);
}

.guide-post-card:hover {
  transform: translateY(-3px);
  border-color: rgba(228, 168, 83, 0.34);
  background: linear-gradient(140deg, rgba(16, 30, 48, 0.92), rgba(13, 24, 40, 0.68));
  box-shadow: 0 14px 34px rgba(2, 8, 18, 0.22);
}

.guide-post-card .guide-thumb {
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
  min-height: 150px;
}

.guide-post-card .guide-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.guide-post-card .guide-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.01), rgba(5, 12, 22, 0.42));
  border-radius: var(--r-md);
}

.guide-card-body .guide-badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  color: var(--accent);
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(228, 168, 83, 0.1);
  border: 1px solid rgba(228, 168, 83, 0.22);
  margin-bottom: 12px;
}

.guide-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.guide-card-body p {
  color: var(--text-1);
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 16px;
}

.guide-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid var(--line-soft);
  padding-top: 13px;
}

.guide-footer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-2);
  font-size: 13px;
}

.guide-footer-meta i {
  font-size: 12px;
}

.guide-post-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--brand-a);
  font-weight: 600;
  transition: gap .2s ease;
}

.guide-post-link:hover {
  color: var(--accent);
  gap: 12px;
}

.service-line-block {
  background: linear-gradient(180deg, rgba(12, 23, 39, 0.62), rgba(8, 16, 27, 0.32));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.service-line-list {
  display: flex;
  flex-direction: column;
  margin-top: 34px;
}

.service-row {
  display: grid;
  grid-template-columns: 70px 150px 1fr 220px 40px;
  align-items: center;
  gap: 26px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--line-soft);
  transition: background .2s ease;
  position: relative;
}

.service-row:last-child {
  border-bottom: none;
}

.service-row::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: var(--radius-pill);
  background: transparent;
}

.service-row:hover {
  background: rgba(224, 241, 255, 0.04);
}

.service-row:hover::before {
  background: var(--accent);
}

.service-row .service-idx {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .08em;
  color: rgba(168, 190, 205, 0.35);
  font-variant-numeric: tabular-nums;
}

.service-row .service-name {
  font-size: 17px;
  font-weight: 640;
  color: var(--text-0);
}

.service-row .service-desc {
  font-size: 14px;
  color: var(--text-1);
  line-height: 1.6;
}

.service-row .service-desc i {
  color: var(--accent);
  margin-right: 6px;
  font-size: 12px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tags span {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  color: var(--text-1);
  background: rgba(94, 145, 168, 0.09);
  border: 1px solid rgba(183, 215, 240, 0.14);
}

.service-tags span.hot-tag {
  color: var(--accent-strong);
  background: rgba(228, 168, 83, 0.08);
  border-color: rgba(228, 168, 83, 0.26);
}

.service-row .service-arrow {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(224, 241, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--text-1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}

.service-row:hover .service-arrow {
  color: var(--accent);
  border-color: rgba(228, 168, 83, 0.5);
  background: rgba(228, 168, 83, 0.1);
  transform: translateX(3px);
}

.workflow-block {
  background: rgba(9, 17, 28, 0.38);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.workflow-item {
  background: rgba(224, 241, 255, 0.045);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 28px 22px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.workflow-item:hover {
  transform: translateY(-4px);
  background: rgba(224, 241, 255, 0.06);
  border-color: rgba(228, 168, 83, 0.24);
}

.workflow-item .step-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .1em;
}

.workflow-item .step-icon {
  margin-top: 10px;
  margin-bottom: 14px;
}

.workflow-item .step-icon i {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(63, 175, 200, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-a);
  font-size: 19px;
  border: 1px solid rgba(63, 175, 200, 0.2);
}

.workflow-item h3 {
  font-size: 18px;
  font-weight: 660;
  margin-bottom: 13px;
}

.workflow-item p {
  font-size: 14px;
  color: var(--text-1);
  line-height: 1.8;
  margin: 0;
}

.bg-cover-cta {
  background-image: linear-gradient(90deg, rgba(6, 12, 22, 0.8) 0%, rgba(8, 19, 35, 0.72) 58%, rgba(8, 17, 30, 0.5) 100%), url("/assets/images/backpic/back-1.webp");
  background-size: cover;
}

.faq-boxed {
  background: transparent;
}

.faq-boxed .sec-faq-box {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  border-radius: calc(var(--r-lg) + 4px);
  overflow: hidden;
}

.faq-item {
  background: rgba(224, 241, 255, 0.045);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  margin-bottom: 16px;
  backdrop-filter: blur(6px);
  overflow: hidden;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item .faq-btn {
  width: 100%;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  font-size: 16px;
  color: var(--text-0);
  font-weight: 590;
  text-align: left;
  min-height: 60px;
  border-radius: var(--r-md);
  transition: background .2s ease;
}

.faq-item .faq-btn:hover {
  background: rgba(224, 241, 255, 0.04);
}

.faq-item .faq-btn .faq-q {
  display: flex;
  gap: 12px;
  align-items: start;
}

.faq-item .faq-btn .faq-q i {
  color: var(--accent);
  margin-top: 3px;
  font-size: 15px;
}

.faq-item .faq-icon {
  flex: 0 0 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(183, 215, 240, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
  font-size: 12px;
}

.faq-item .faq-icon::before {
  content: "+";
  color: var(--text-1);
  line-height: 1;
}

.faq-item.expanded .faq-icon {
  transform: rotate(45deg);
  border-color: rgba(228, 168, 83, 0.58);
  background: rgba(228, 168, 83, 0.14);
}

.faq-item.expanded .faq-icon::before {
  color: var(--accent);
}

.faq-item .faq-body-inner {
  padding: 4px 28px 24px 32px;
  color: var(--text-1);
  font-size: 15px;
  line-height: 1.8;
  border-left: 3px solid var(--accent);
  margin-left: 34px;
  margin-right: 24px;
  margin-top: -6px;
  background: linear-gradient(135deg, rgba(228, 168, 83, 0.05), rgba(228, 168, 83, 0.01));
}

.cta-panel {
  border-radius: calc(var(--r-lg) + 8px);
  padding: 56px 48px;
  background: linear-gradient(135deg, rgba(14, 31, 48, 0.94), rgba(9, 18, 30, 0.86));
  border: 1px solid rgba(228, 168, 83, 0.2);
  box-shadow: 0 18px 42px rgba(1, 5, 12, 0.25), inset 0 1px 0 rgba(230, 240, 255, 0.12);
}

.cta-panel .cta-icon-block {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(228, 168, 83, 0.1);
  border: 1px solid rgba(228, 168, 83, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 24px;
  margin-bottom: 18px;
}

.cta-panel h2 {
  font-size: clamp(26px, 2.8vw, 34px);
  font-weight: 700;
}

.cta-panel .cta-tel {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-0);
  font-weight: 650;
  margin-top: 22px;
}

.cta-panel .cta-tel a {
  color: var(--text-0);
}

.cta-panel .cta-tel a:hover {
  color: var(--accent);
}

.cta-panel .cta-time {
  color: var(--text-1);
  font-size: 13px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 18px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.form-label {
  font-size: 14px;
  color: var(--text-1);
  margin-bottom: 7px;
  font-weight: 500;
}

.form-control {
  background: rgba(12, 22, 34, 0.72);
  border: 1px solid rgba(197, 218, 235, 0.16);
  border-radius: var(--r-sm);
  color: var(--text-0);
  min-height: 48px;
  padding: 10px 15px;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.form-control::placeholder {
  color: #7A8FA6;
}

.form-control:focus {
  background: rgba(14, 25, 40, 0.9);
  border-color: var(--brand-a);
  color: var(--text-0);
  box-shadow: 0 0 0 4px rgba(63, 175, 200, 0.18);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  background-color: rgba(12, 22, 34, 0.72);
  border: 1px solid rgba(197, 218, 235, 0.16);
  color: var(--text-0);
  min-height: 48px;
  border-radius: var(--r-sm);
}

.form-select:focus {
  border-color: var(--brand-a);
  box-shadow: 0 0 0 4px rgba(63, 175, 200, 0.18);
}

.form-select option {
  background: #0e1c2c;
  color: var(--text-0);
}

.form-feedback {
  margin-top: 12px;
  font-size: 14px;
  min-height: 24px;
  color: var(--ok);
}

.site-footer {
  background: #0A1522;
  border-top: 1px solid var(--line);
  padding-top: 66px;
}

.footer-main {
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line-soft);
}

.footer-brand {
  font-size: 22px;
  font-weight: 750;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.footer-brand .brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: linear-gradient(145deg, rgba(63, 175, 200, 0.5), rgba(28, 88, 121, 0.42));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #07131F;
  font-size: 17px;
}

.footer-about {
  color: var(--text-1);
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
  margin: 0;
}

.footer-title {
  color: var(--text-0);
  font-weight: 640;
  font-size: 16px;
  margin: 6px 0 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li a,
.footer-links li {
  font-size: 14px;
  color: var(--text-1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s ease, gap .2s ease;
}

.footer-links li a i {
  font-size: 11px;
  color: var(--text-2);
}

.footer-links li a:hover {
  color: var(--accent);
  gap: 12px;
}

.footer-contact {
  gap: 12px;
}

.footer-bottom {
  padding: 22px 0 26px;
  font-size: 13px;
  color: var(--text-2);
}

.footer-bottom a {
  color: var(--text-2);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  background: linear-gradient(180deg, rgba(7, 14, 23, 0.94), rgba(8, 15, 26, 0.62));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}

.site-header.scrolled {
  background: rgba(7, 13, 21, 0.9);
  border-bottom-color: rgba(183, 215, 240, 0.1);
}

.site-header .navbar {
  padding: 14px 0;
  transition: padding .3s ease;
}

.site-header.scrolled .navbar {
  padding: 8px 0;
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(63, 175, 200, 0.68), rgba(39, 104, 130, 0.35));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #07131F;
  font-size: 18px;
  box-shadow: 0 0 22px rgba(63, 175, 200, 0.16);
}

.brand-name {
  font-size: 21px;
  font-weight: 760;
  color: var(--text-0);
  letter-spacing: .01em;
}

.brand-name em {
  color: var(--accent);
  font-style: normal;
  margin-left: 1px;
}

.site-header .nav-link {
  color: var(--text-1);
  font-weight: 560;
  font-size: 15px;
  padding: 10px 18px !important;
  border-radius: 10px;
  transition: all .2s ease;
}

.site-header .nav-link:hover {
  color: var(--text-0);
  background: rgba(224, 241, 255, 0.06);
}

.site-header .nav-link.active {
  color: var(--accent);
  position: relative;
}

.site-header .nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  box-shadow: 0 0 10px rgba(228, 168, 83, 0.6);
}

.site-header .nav-cta {
  margin-left: 18px;
  padding: 9px 20px;
  border-radius: 10px;
  color: #07131F;
  font-weight: 650;
  background: var(--accent);
  border: 1px solid var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(228, 168, 83, 0.24);
}

.site-header .nav-cta:hover {
  background: var(--accent-strong);
  color: #07131F;
  transform: translateY(-1px);
  box-shadow: 0 7px 24px rgba(228, 168, 83, 0.3);
}

.site-header .nav-cta::before {
  content: "\f3cd";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
}

.navbar-toggler {
  border: 1px solid rgba(183, 215, 240, 0.25);
  border-radius: 10px;
  width: 48px;
  height: 40px;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 4px rgba(63, 175, 200, 0.2);
}

.navbar-toggler .toggler-icon {
  width: 19px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--text-0);
  transition: transform .25s ease;
  display: block;
}

.navbar-toggler.collapsed .toggler-icon:nth-child(2) {
  width: 14px;
}

@media (max-width: 991.98px) {
  .page-section {
    padding: 64px 0;
  }

  .guide-wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .toc-card {
    position: relative;
    top: auto;
  }

  .guide-post-card {
    grid-template-columns: 180px 1fr;
  }

  .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .service-row {
    grid-template-columns: 50px 1fr 100px;
    gap: 16px;
    align-items: start;
    padding: 20px 10px;
  }

  .service-row .service-desc {
    grid-column: 2 / -1;
    grid-row: 2;
    padding-left: 12px;
  }

  .service-row .service-arrow {
    display: none;
  }

  .cta-panel {
    padding: 36px 24px;
  }
}

@media (max-width: 767.98px) {
  .navbar-collapse {
    position: fixed;
    top: 76px;
    left: 12px;
    right: 12px;
    max-height: calc(100vh - 88px);
    border-radius: 18px;
    background: rgba(8, 16, 27, 0.94);
    backdrop-filter: blur(20px);
    padding: 18px;
    border: 1px solid var(--line);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
    overflow-y: auto;
  }

  .site-header.scrolled .navbar-collapse {
    top: 68px;
  }

  .site-header .navbar-nav {
    margin: 0;
  }

  .site-header .nav-item {
    width: 100%;
    padding: 3px 0;
  }

  .site-header .nav-link {
    padding: 13px 18px !important;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .site-header .nav-link.active::after {
    display: inline-block;
    position: static;
    width: 6px;
    height: 6px;
    margin-left: 8px;
    left: auto;
    right: auto;
  }

  .site-header .nav-cta {
    margin-left: 0;
    margin-top: 12px;
  }

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

  .guide-thumb {
    height: 185px;
  }

  .guide-post-card .guide-thumb img {
    position: relative;
    height: auto;
    min-height: 185px;
  }

  .service-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 18px 4px;
  }

  .service-row .service-desc {
    grid-column: auto;
    grid-row: auto;
    padding-left: 0;
  }

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

  .hero-title-block h1 {
    font-size: 34px;
  }
}

@media (max-width: 575.98px) {
  .page-hero {
    padding: 153px 0 48px;
  }

  .hero-tag {
    font-size: 12px;
  }

  .section-toolbar .toolbar-sub {
    font-size: 15px;
  }

  .guide-post-card {
    padding: 14px;
  }

  .faq-item .faq-btn {
    font-size: 15px;
    padding: 15px 16px;
  }

  .faq-item .faq-body-inner {
    padding: 0 16px 18px 20px;
    margin-left: 18px;
    margin-right: 14px;
  }

  .cta-panel {
    padding: 30px 16px;
  }

  .site-footer {
    padding-top: 46px;
  }

  .footer-main {
    padding-bottom: 26px;
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0B1420;
}

::-webkit-scrollbar-thumb {
  background: #2e4a62;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #42647d;
}