/* roulang page: index */
:root {
  --primary: #0b1d3a;
  --primary-rgb: 11, 29, 58;
  --primary-deep: #060f1f;
  --secondary: #d49b3c;
  --secondary-light: #f0c966;
  --accent: #1a3a5c;
  --bg-body: #f4f1eb;
  --bg-dark: #081426;
  --bg-soft: #eae4d8;
  --card-bg: #ffffff;
  --text-main: #1a1a1a;
  --text-light: #5a5f6b;
  --text-weak: #90939c;
  --border: #deddd9;
  --border-light: #ebebeb;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 26px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 18px 60px rgba(0, 0, 0, 0.11);
  --transition: all 0.32s cubic-bezier(0.23, 1, 0.32, 1);
  --font-serif: "Playfair Display", "Noto Serif SC", Georgia, "Songti SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
button, input, select, textarea { font: inherit; border: none; outline: none; background: none; }
button { cursor: pointer; }

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}
.container--narrow { max-width: 1160px; }
.container--wide { max-width: 1400px; }

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.89);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220, 220, 220, 0.5);
  transition: box-shadow 0.35s ease;
}
.header.is-scrolled { box-shadow: 0 6px 25px rgba(0, 0, 0, 0.07); }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 76px;
  padding: 0.5rem 0;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}
.brand-logo__mark {
  width: 43px;
  height: 43px;
  border-radius: 12px;
  background: linear-gradient(145deg, #11264b 0%, #0b1d3a 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-light);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), 0 4px 12px rgba(11, 29, 58, 0.25);
}
.brand-logo__text {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.25;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
}
.nav-links a {
  display: block;
  padding: 0.6rem 1.05rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover { background: rgba(11, 29, 58, 0.06); color: var(--primary); }
.nav-links a.is-active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(11, 29, 58, 0.3);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: 0.6rem;
}
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--border-light);
  color: var(--primary);
  font-size: 1.1rem;
  transition: var(--transition);
}
.btn-icon:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.menu-toggle { display: none; }

.hero-section {
  position: relative;
  background-color: transparent;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: 2rem 2rem;
  padding: clamp(3.4rem, 8vw, 6.5rem) 0 clamp(3rem, 8vw, 5rem);
  min-height: 100vh;
}
.hero-media {
  position: relative;
  height: 100%;
  min-height: 600px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transform: scale(1.02);
  isolation: isolate;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(1.08) contrast(1.05)
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(8,20,38,0.1) 20%, rgba(8,20,38,0.5) 75%);
  z-index: 2;
}
.hero-media__badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  padding: 0.5rem 1.3rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.86rem;
  box-shadow: 0 4px 18px rgba(0,0,0,0.15);
  z-index: 3;
}
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.hero-kicker {
  display: inline-block;
  align-self: flex-start;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: var(--secondary-light);
  color: #5b4a17;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid #e1cf8a;
  letter-spacing: 0.01em;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.55rem, 6.5vw, 4rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
  text-wrap: balance;
}
.hero-title span { color: var(--secondary); position: relative; }
.hero-subtitle {
  max-width: 500px;
  font-size: 1.1rem;
  color: var(--text-light);
  border-left: 3px solid var(--secondary);
  padding-left: 1.1rem;
  margin: 0.25rem 0;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  border-radius: 999px;
  padding: 0.75rem 1.7rem;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(11, 29, 58, 0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(11, 29, 58, 0.3); background: var(--primary-deep); }
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}
.btn-outline:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(0,0,0,0.07); }
.btn-ghost-light { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-ghost-light:hover { background: var(--primary); color: #fff; }
.hero-stats {
  display: flex;
  gap: 1.4rem;
  margin-top: 1.2rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--border-light);
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.hero-stat strong {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.hero-stat span {
  font-size: 0.85rem;
  color: var(--text-light);
}

.section {
  padding: clamp(3.8rem, 8vw, 6.5rem) 0;
}
.section--light { background-color: #fff; }
.section--cream {
  background-color: var(--bg-soft);
  position: relative;
}
.section--deep {
  background-color: var(--bg-dark);
  color: #e8ecf2;
}
.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2.6rem;
  max-width: 860px;
}
.section-heading .kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-heading .kicker svg { width: 26px; height: 26px; }
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--primary);
  text-wrap: balance;
}
.section--cream .section-title { color: var(--primary); }
.section--deep .section-title { color: #fff; }
.section-heading p {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 780px;
  line-height: 1.8;
}
.section--deep .section-heading p { color: #aab3c5; }
.section--deep .section-heading .kicker { color: var(--secondary-light); }

.section-heading--center {
  text-align: center;
  align-items: center;
  margin-right: auto;
  margin-left: auto;
}
.section-heading--center p { margin-left: auto; margin-right: auto; }

.split-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
  align-items: center;
}

/* --- Ticker (新闻短暂条) --- */
.ticker-wrap {
  border-bottom: 1px solid var(--border-light);
  background: #fff;
}
.ticker {
  display: flex;
  align-items: center;
  gap: 0;
  min-height: 42px;
  overflow: hidden;
}
.ticker__label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--secondary-light);
  color: #4d3d1c;
  padding: 0 1rem;
  font-weight: 700;
  font-size: 0.82rem;
  border-radius: 4px;
  margin-right: 1.25rem;
  flex-shrink: 0;
  height: 26px;
  text-transform: uppercase;
}
.ticker__list {
  display: flex;
  align-items: center;
  gap: 2rem;
  overflow: hidden;
  position: relative;
  width: 100%;
}
.ticker__list span {
  font-size: 0.9rem;
  color: var(--text-light);
  white-space: nowrap;
}
.ticker__list .tick-dot { color: var(--secondary); }
.ticker__separator {
  width: 5px; height: 5px;
  background: var(--secondary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Cards info hub --- */
.card-hub {
  background: var(--card-bg);
  padding: 2.1rem 1.9rem 1.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card-hub::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--secondary), var(--secondary-light), transparent);
  opacity: 0.8;
}
.card-hub:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: #d7d1c5;
}
.card-hub__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 18px;
  background: linear-gradient(150deg, var(--primary) 0%, var(--primary-deep) 80%);
  color: var(--secondary-light);
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 8px 20px rgba(11, 29, 58, 0.2);
}
.card-hub h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--primary);
  line-height: 1.35;
}
.card-hub p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  max-width: 360px;
}
.card-hub__list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.card-hub__list li {
  color: var(--text-light);
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9rem;
  line-height: 1.55;
}
.card-hub__list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-size: 0.8rem;
}
.card-hub a.card-hub__link {
  margin-top: 1.4rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.card-hub a.card-hub__link:hover { color: var(--secondary); gap: 0.7rem; }

/* Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.8rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.8rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

/* Latest news wrapper */
.news-wrap-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.7fr);
  align-items: start;
  gap: 2rem;
}
.news-aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.news-aside-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
}
.news-aside-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.news-aside-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.news-aside-card__body { padding: 1.2rem 1.4rem 1.4rem; }
.news-aside-card__body h4 {
  font-size: 1.1rem;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 0.4rem;
}
.news-aside-card__body p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Latest list */
.latest-card {
  background: #fff;
  padding: 1.4rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: nowrap;
  transition: var(--transition);
}
.latest-card:hover {
  transform: translateX(6px);
  border-left-color: var(--secondary);
  box-shadow: 0 8px 30px rgba(0,0,0,0.07);
}
.latest-card__index {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(11, 29, 58, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-serif);
  font-size: 1.2rem;
}
.latest-card__meta { min-width: 0; flex: 1; }
.latest-card__subject {
  display: inline-flex;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: 0.25rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.latest-card__subject .badge { background: var(--bg-soft); padding: 0.15rem 0.7rem; border-radius: 99px; color: var(--primary); font-weight: 600; }
.latest-card h3 {
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--primary);
  margin: 0 0 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.latest-card__desc {
  font-size: 0.9rem;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 1;
}
.latest-card__date {
  flex-shrink: 0;
  font-size: 0.86rem;
  color: var(--text-weak);
  font-weight: 500;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .latest-card__index { display: none; }
  .latest-card { padding: 1rem; gap: 0.8rem; flex-wrap: wrap; }
}

.news-collection { margin-top: 2rem; display: flex; flex-direction: column; gap: 0.85rem; }

/* Stats numbers */
.stats-section {
  background-color: var(--primary);
  background-image: radial-gradient(circle at 15% 30%, rgba(255,255,255,0.08) 0%, transparent 40%), linear-gradient(135deg, var(--primary) 0%, #010818 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 3.5rem clamp(2rem, 5vw, 4rem) 3rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  color: var(--secondary-light);
}
.stats-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.2rem;
}
.stats-item strong {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.2;
}
.stats-item span {
  font-size: 1rem;
  color: #cdd4e0;
}
.stats-item:not(:last-child)::after { display: none; }

/* Feature / split */
.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.feature-image img { width: 100%; height: 100%; object-fit: cover; }
.feature-icon {
  position: absolute;
  right: 20px;
  bottom: 20px;
  width: 56px;
  height: 56px;
  background: var(--secondary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: 0 10px 48px rgba(0,0,0,0.25);
  z-index: 3;
  animation: pulse 3s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.feature-checklist { display: flex; flex-direction: column; gap: 1.1rem; }
.feature-check {
  display: flex;
  gap: 1rem;
  background: #fcfcfc;
  padding: 1rem 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  align-items: flex-start;
}
.feature-check svg {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--secondary-light);
  border-radius: 50%;
  padding: 5px;
  color: var(--primary);
  margin-top: 0.1rem;
}
.feature-check h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.25rem;
}
.feature-check p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* Category cards */
.cat-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: block;
  background-color: var(--primary);
  box-shadow: var(--shadow);
  aspect-ratio: 4/4.8;
  isolation: isolate;
  transition: var(--transition);
}
.cat-card .cat-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(11,29,58,0.95) 20%, rgba(10,23,44,0.2)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 1;
  z-index: -1;
}
.cat-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; z-index: -2; }
.cat-card__body {
  padding: 1.5rem 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: flex-end;
  position: relative;
  z-index: 3;
  align-items: flex-start;
}
.cat-card__kicker {
  background: var(--secondary-light);
  color: var(--primary);
  padding: 0.3rem 1rem;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  margin-bottom: 0.7rem;
  gap: 0.4rem;
  display: inline-flex;
  align-items: center;
}
.cat-card h3 {
  color: #fff;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.cat-card__desc {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 290px;
  margin-bottom: 1.1rem;
  flex: 1;
}
.cat-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 0.45rem 1rem;
  border-radius: 99px;
  font-size: 0.85rem;
  transition: var(--transition);
}
.cat-card:hover .cat-card__link { background: var(--secondary-light); color: var(--primary); border-color: var(--secondary-light); }
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }

/* FAQ */
.faq-wrap { max-width: 880px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  margin-bottom: 0.9rem;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.03);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  font-weight: 600;
  color: var(--primary);
  font-size: 1.05rem;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  display: inline-flex;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 1rem;
  padding-bottom: 2px;
}
.faq-item[open] summary .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-item[open] summary { background: var(--bg-soft); }
.faq-answer {
  padding: 0 1.5rem 1.3rem;
  color: var(--text-light);
  font-size: 0.98rem;
  line-height: 1.85;
}

/* CTA section */
.cta-panel {
  position: relative;
  padding: clamp(2.8rem, 6vw, 4.5rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--primary) 0%, #02071a), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  background-blend-mode: overlay;
  color: #fff;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 25px 80px rgba(2, 8, 30, 0.5);
}
.cta-panel h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 1rem;
  z-index: 2;
  position: relative;
  line-height: 1.25;
}
.cta-panel p {
  color: rgba(255,255,255,0.8);
  max-width: 680px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  z-index: 2;
  position: relative;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  z-index: 2;
  position: relative;
}

.btn-cta-light {
  background: var(--secondary-light);
  color: var(--primary);
  box-shadow: 0 8px 30px rgba(240, 201, 102, 0.25);
}
.btn-cta-light:hover { background: #fff; transform: translateY(-2px); }
.btn-outline-light {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
  backdrop-filter: blur(4px);
}
.btn-outline-light:hover { background: #fff; color: var(--primary); border-color: #fff; }

.footer {
  background: #081215;
  color: #9ea8bb;
  padding-top: 3.5rem;
  font-size: 0.9rem;
  border-top: 2px solid var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
}
.footer-brand .brand-logo__text { color: #fff; }
.footer-brand .brand-logo__mark { background: rgba(255,255,255,0.1); color: var(--secondary-light); }
.footer h4 {
  color: #fff;
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
  font-weight: 600;
}
.footer-brand p {
  margin-top: 1rem;
  line-height: 1.7;
  color: #8c96a9;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-links a {
  display: inline-block;
  color: #9ea8bb;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--secondary-light); padding-left: 6px; }
.footer-contact { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-contact a { display: flex; align-items: center; gap: 0.6rem; color: #9ea8bb; }
.footer-contact i { color: var(--secondary); font-style: normal; font-weight: 700; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.2rem 0;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}
.footer-disclaimer {
  margin-top: 0.8rem;
  opacity: 0.7;
  max-width: 600px;
  font-size: 0.75rem;
}

/* Scroll snap etc */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  z-index: 200;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  font-size: 1.3rem;
  transition: var(--transition);
  border: 2px solid rgba(255,255,255,0.2);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.scroll-to-top.show { opacity: 1; visibility: visible; pointer-events: auto; }
.scroll-to-top:hover { background: var(--secondary); }

/* Breadcrumb */
.breadcrumb {
  padding: 1.3rem 0 0;
  font-size: 0.85rem;
  color: var(--text-light);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--secondary); }

/* Notice strip */
.notice-bar {
  background: #fffbe9;
  border-bottom: 1px solid #fff1c0;
  padding: 0.4rem 0;
  font-size: 0.8rem;
  color: #505048;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

/* Labels/category chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1rem 0;
}
.chips a {
  padding: 0.4rem 1.2rem;
  border-radius: 99px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-main);
  transition: var(--transition);
}
.chips a:hover {
  border-color: var(--secondary);
  background: var(--secondary-light);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { gap: 1.5rem; grid-template-columns: 1fr; min-height: auto; }
  .hero-media { min-height: 46vh; order: -1; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .news-wrap-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .stats-section { grid-template-columns: repeat(2, 1fr); row-gap: 2.2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.2rem; }
}

@media (max-width: 820px) {
  .nav { flex-wrap: wrap; gap: 0.5rem; padding: 0.8rem 0; }
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0.2rem;
    background: #fff;
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    margin-top: 0.5rem;
  }
  .nav-links.open { display: flex; }
  .nav-cta { margin-left: auto; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero-grid .hero-media { min-height: 30vh; max-height: 380px; }
  .ticker { gap: 0.5rem; }
  .ticker__label { display: none; }
  .section-heading p { font-size: 1rem; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .hero-title { font-size: 2.2rem; }
  .hero-actions .btn { width: 100%; }
  .btn-icon { width: 36px; height: 36px; }
  .grid-4 { grid-template-columns: 1fr; }
  .brand-logo__text { font-size: 1rem; }
  .stats-section { padding: 2rem 1.5rem; }
  .stats-item strong { font-size: 2.2rem; }
  .cta-actions .btn {width: 100%; }
  .faq-item summary { padding: 1rem 1.2rem; font-size: 0.95rem; }
  .faq-answer { padding: 0 1.2rem 1rem; }
  .cta-panel { padding: 2rem 1.4rem; }
  .section-heading--center { text-align: left; align-items: flex-start; }
}

@supports (font-family: "Noto Serif SC") {
  :root { --font-serif: "Playfair Display", "Noto Serif SC", Georgia, "Songti SC", serif; --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
}

/* roulang page: article */
*{margin:0;padding:0;box-sizing:border-box}
    :root{
      --bg-main:#f4f5f0;
      --bg-header:rgba(18,28,24,.95);
      --bg-deep:#101915;
      --bg-card:#ffffff;
      --bg-code:#f4f6f1;
      --primary:#0e7a5a;
      --primary-strong:#0a5a43;
      --primary-soft:rgba(14,122,90,.12);
      --dark-text:#1c2a24;
      --mid-text:#43544d;
      --weak-text:#6d7a74;
      --line-color:rgba(18,50,40,.1);
      --radius-lg:20px;
      --radius-md:14px;
      --radius-sm:8px;
      --shadow-lg:0 18px 40px -12px rgba(12,55,42,.2);
      --shadow-sm:0 6px 14px -6px rgba(12,55,42,.12);
      --max-w:1200px;
      --font-main:"PingFang SC","HarmonyOS Sans SC","MiSans","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
    }
    html{scroll-behavior:smooth}
    body{font-family:var(--font-main);background:var(--bg-main);color:var(--dark-text);line-height:1.75;font-size:16px}
    img{max-width:100%;height:auto}
    a{text-decoration:none;color:inherit}
    .container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
    .header{
        position:sticky;top:0;z-index:100;
        background:linear-gradient(180deg,rgba(18,28,24,.97),rgba(18,28,24,.92));
        backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
        border-bottom:1px solid rgba(255,255,255,.05);
    }
    .nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
    .brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
    .brand-logo__mark{
        display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
        background:linear-gradient(140deg,#23b587,#0f805c);border-radius:14px;
        color:#fff;font-weight:800;font-size:16px;letter-spacing:-.5px;box-shadow:0 8px 20px -8px rgba(35,181,135,.55);
    }
    .brand-logo__text{font-size:19px;font-weight:700;color:#f0f4f0;letter-spacing:.3px;white-space:nowrap}
    .nav-links{display:flex;align-items:center;gap:4px}
    .nav-links a{
        padding:8px 18px;border-radius:999px;color:rgba(255,255,255,.82);
        font-size:14px;font-weight:500;transition:.25s;position:relative;
    }
    .nav-links a:hover{background:rgba(255,255,255,.1);color:#29d9a4}
    .nav-links a.is-active{background:rgba(35,181,135,.2);color:#7ff0c7}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn-icon{
        border:none;border-radius:12px;background:rgba(255,255,255,.08);color:#f0f4f0;
        display:inline-flex;align-items:center;justify-content:center;padding:9px;cursor:pointer;transition:.25s;
    }
    .btn-icon:hover{background:rgba(35,181,135,.25);color:#fff;transform:translateY(-1px)}
    .menu-toggle{display:none}
    .page-hero{
        position:relative;padding:84px 0 76px;background:var(--bg-deep);color:#fff;overflow:hidden;
    }
    .page-hero::before{
        content:"";position:absolute;top:0;left:0;right:0;bottom:0;
        background:linear-gradient(108deg,rgba(10,22,17,.96) 0%,rgba(6,18,14,.82) 60%,rgba(14,45,33,.88) 100%);
        z-index:1;
    }
    .page-hero .container{position:relative;z-index:2}
    .breadcrumb{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.5px;margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
    .breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s}
    .breadcrumb a:hover{color:#31e3a7}
    .hero-title{font-size:36px;line-height:1.4;font-weight:700;margin-bottom:14px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:16px;color:rgba(255,255,255,.75);font-size:14px;margin-top:22px;align-items:center}
    .hero-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.45)}
    .main{padding:64px 0 80px}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 356px;gap:48px;align-items:start}
    .article-body{
        background:var(--bg-card);border-radius:var(--radius-lg);padding:44px;
        box-shadow:var(--shadow-sm);border:1px solid var(--line-color);
    }
    .article-body .content{font-size:16px;color:#26362f;line-height:2}
    .article-body h2,.article-body h3,.article-body h4{margin:1.6em 0 .7em;color:#15241d;font-weight:700;line-height:1.45}
    .article-body h2{font-size:24px;margin-top:2em;padding-bottom:.5em;border-bottom:1px solid #edf1ed}
    .article-body h3{font-size:20px}
    .article-body p{margin:1em 0}
    .article-body ul,.article-body ol{margin:1em 0;padding-left:1.6em}
    .article-body li{margin:.55em 0}
    .article-body blockquote{
        border-left:4px solid var(--primary);background:var(--primary-soft);padding:16px 20px;border-radius:0 10px 10px 0;
        color:#244336;margin:1.6em 0;font-size:15px;
    }
    .article-body img{border-radius:14px;margin:1.2em 0;box-shadow:var(--shadow-sm)}
    .article-body a{color:var(--primary);font-weight:500;border-bottom:1px dashed rgba(14,122,90,.4)}
    .article-body code{background:var(--bg-code);padding:3px 8px;border-radius:5px;font-family:"SFMono-Regular","Roboto Mono",monospace;font-size:.92em;color:#bc3a3a}
    .side-card{
        background:var(--bg-card);border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-sm);
        border:1px solid rgba(18,50,40,.08);margin-bottom:22px;
    }
    .side-card h3{font-size:17px;font-weight:700;color:#182921;margin-bottom:18px;position:relative;padding-bottom:12px}
    .side-card h3::after{content:"";position:absolute;bottom:0;left:0;width:38px;height:3px;border-radius:3px;background:linear-gradient(140deg,#23b587,#0f805c)}
    .side-list{list-style:none}
    .side-list li{padding:10px 0;border-bottom:1px solid #f0f3ec;line-height:1.5}
    .side-list li:last-child{border-bottom:none}
    .side-list a{display:block;color:#1e2e27;font-size:14px;transition:.2s}
    .side-list a:hover{color:var(--primary);padding-left:6px}
    .tag-wrap{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
    .tag{display:inline-block;font-size:12px;background:rgba(14,122,90,.08);color:var(--primary-strong);border-radius:99px;padding:5px 13px;border:1px solid rgba(14,122,90,.14);line-height:1.6}
    .footer{
        background:#0e1814;color:rgba(255,255,255,.68);padding:60px 0 28px;margin-top:60px;border-top:1px solid rgba(255,255,255,.05);
    }
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.06)}
    .footer-brand p{font-size:14px;line-height:1.8;margin-top:14px;opacity:.75;max-width:260px}
    .footer h4{color:#eef4ef;font-size:15px;font-weight:600;margin-bottom:18px}
    .footer-links{display:flex;flex-direction:column;gap:12px}
    .footer-links a{color:rgba(255,255,255,.62);font-size:14px;transition:.2s}
    .footer-links a:hover{color:#38e3a9;padding-left:4px}
    .footer-contact{font-size:14px;color:rgba(255,255,255,.6)}
    .footer-contact a{color:rgba(255,255,255,.68);transition:.2s;display:inline-flex;align-items:center;gap:6px}
    .footer-contact a:hover{color:#38e3a9}
    .footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:22px 0 0;font-size:13px;color:rgba(255,255,255,.45)}
    .footer-disclaimer{font-size:12px;line-height:1.7;color:rgba(255,255,255,.3);border-top:1px solid rgba(255,255,255,.05);padding-top:18px;margin-top:10px}
    .not-found-container{min-height:380px;display:flex;align-items:center;justify-content:center;text-align:center;padding:48px 0}
    .not-found-inner h2{font-size:34px;font-weight:800;color:#142620;letter-spacing:2px}
    .not-found-inner p{font-size:15px;color:var(--weak-text);margin-top:14px}
    .back-btn{
        display:inline-block;margin-top:30px;background:var(--primary);color:#fff;padding:12px 36px;border-radius:999px;
        font-size:15px;font-weight:600;transition:.25s;box-shadow:0 10px 25px -8px rgba(14,122,90,.5);
    }
    .back-btn:hover{background:var(--primary-strong);transform:translateY(-2px)}
    @media (max-width:1024px){
        .article-layout{grid-template-columns:1fr}
        .hero-title{font-size:30px}
        .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media (max-width:768px){
        .nav-links{
            position:fixed;top:72px;left:0;right:0;background:#0e1613;height:auto;padding:12px 24px 20px;align-items:flex-start;
            flex-direction:column;gap:4px;z-index:99;transform:translateY(-10px);opacity:0;pointer-events:none;transition:.3s;
            box-shadow:0 20px 30px rgba(0,0,0,.3);
        }
        .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
        .nav-links a{width:100%;border-radius:10px;padding:12px 14px}
        .nav-links a.is-active{background:rgba(35,181,135,.2)}
        .menu-toggle{display:inline-flex}
        .page-hero{padding:52px 0 54px}
        .hero-title{font-size:25px;line-height:1.5}
        .main{padding:40px 0 56px}
        .article-body{padding:26px 20px;border-radius:16px}
        .article-body h2{font-size:21px}
        .article-body h3{font-size:18px}
        .footer-grid{grid-template-columns:1fr;gap:28px}
        .container{padding:0 16px}
    }
    @media (max-width:520px){
        .brand-logo__mark{width:40px;height:40px;font-size:14px;border-radius:11px}
        .brand-logo__text{font-size:15px}
        .hero-title{font-size:22px}
        .hero-meta{flex-direction:row;font-size:12px;color:rgba(255,255,255,.65);gap:8px}
        .article-body{padding:20px 16px;border-radius:12px}
        .article-body h2{font-size:19px}
        .article-body h3{font-size:17px}
        .footer-bottom{flex-direction:column;align-items:flex-start}
        .side-card{padding:20px}
    }

/* roulang page: category1 */
:root {
      --primary: #1a2a6c;
      --primary-light: #2d4a8c;
      --primary-dark: #101a42;
      --accent: #e8b84b;
      --accent-hover: #d4a838;
      --accent-light: #f5e3b0;
      --dark-bg: #0d1421;
      --dark-bg2: #141e30;
      --light-bg: #f6f7fb;
      --card-color: #ffffff;
      --text-body: #2c3445;
      --text-dark: #161e2e;
      --text-light: #5e6b80;
      --text-white: #ffffff;
      --text-soft: #a7b5c9;
      --border: #e5e9f0;
      --border-dark: rgba(255,255,255,.12);
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 8px;
      --shadow-card: 0 6px 28px rgba(10, 30, 60, 0.08);
      --shadow-hover: 0 18px 42px rgba(10, 30, 60, 0.14);
      --shadow-hero: 0 20px 60px rgba(0, 0, 0, 0.35);
      --gradient-primary: linear-gradient(135deg, #142850 0%, #1a2a6c 55%, #2d4a8c 100%);
      --gradient-accent: linear-gradient(135deg, #f0cf7a 0%, #d4a838 100%);
      --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8faff 100%);
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      --transition-base: all 0.3s ease;
      --container-w: 1200px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: var(--font-main);
      background: var(--light-bg);
      color: var(--text-body);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.3s ease;
    }
    button {
      font-family: inherit;
      cursor: pointer;
    }
    input {
      font-family: inherit;
    }
    h1,
    h2,
    h3,
    h4,
    h5 {
      color: var(--text-dark);
      line-height: 1.3;
      font-weight: 700;
    }
    i,
    em {
      font-style: normal;
    }

    .container {
      width: 100%;
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
    }
    .section {
      padding: 90px 0;
    }
    .section-hero {
      padding: 0;
    }
    .section-alt {
      background: var(--light-bg);
    }
    .section-dark {
      background: var(--dark-bg);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 56px;
    }
    .section-header .bg-label {
      display: inline-block;
      background: rgba(232, 184, 75, 0.14);
      color: var(--primary-light);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1.2px;
      border-radius: 40px;
      padding: 6px 18px;
      margin-bottom: 18px;
      text-transform: uppercase;
    }
    .section-header h2 {
      font-size: clamp(2rem, 4vw, 2.8rem);
      letter-spacing: -0.5px;
      margin-bottom: 16px;
      color: var(--text-dark);
    }
    .section-header p {
      font-size: 1.1rem;
      color: var(--text-light);
    }
    .section-title-white .section-header h2 {
      color: var(--text-white);
    }
    .section-title-white .section-header p {
      color: var(--text-soft);
    }
    .section-title-white .section-header .bg-label {
      background: rgba(255, 255, 255, 0.12);
      color: var(--accent);
    }

    /* ========= HEADER ========= */
    .header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border);
      transition: var(--transition-base);
      box-shadow: 0 3px 25px rgba(0, 0, 0, 0.04);
    }
    .header .container {
      max-width: 1380px;
    }
    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: 78px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .brand-logo__mark {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: var(--gradient-primary);
      color: var(--accent);
      font-weight: 900;
      font-size: 1.05rem;
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(26, 42, 108, 0.25);
      transition: var(--transition-base);
    }
    .brand-logo:hover .brand-logo__mark {
      transform: scale(1.04);
      box-shadow: 0 12px 28px rgba(26, 42, 108, 0.35);
    }
    .brand-logo__text {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-dark);
      letter-spacing: 0.3px;
      white-space: nowrap;
    }
    .nav-links a {
      display: block;
      padding: 8px 18px;
      border-radius: 26px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-light);
      transition: var(--transition-base);
      line-height: 1.4;
    }
    .nav-links a:hover {
      background: rgba(26, 42, 108, 0.05);
      color: var(--primary);
    }
    .nav-links a.is-active {
      background: var(--gradient-primary);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 6px 16px rgba(26, 42, 108, 0.25);
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .btn-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--primary);
      transition: var(--transition-base);
    }
    .btn-icon:hover {
      background: var(--accent-light);
      border-color: var(--accent);
      transform: translateY(-2px);
    }
    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--primary);
      align-items: center;
      justify-content: center;
    }

    /* ========= HERO / INNER BANNER ========= */
    .hero-inner {
      background: var(--gradient-primary);
      padding: 110px 0 70px;
      position: relative;
      overflow: hidden;
      color: var(--text-white);
    }
    .hero-inner__back {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.22;
    }
    .hero-inner__blur {
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(13, 20, 33, 0.3) 0%, rgba(20, 30, 48, 0.6) 90%);
    }
    .hero-inner__content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 56px;
      align-items: center;
    }
    .hero-inner__text {
      animation: fadeSlideIn 0.7s ease both;
    }
    .hero-inner__text h1 {
      font-size: clamp(2.4rem, 5vw, 4rem);
      font-weight: 900;
      letter-spacing: -0.5px;
      color: #ffffff;
      line-height: 1.15;
      margin-bottom: 24px;
    }
    .hero-inner__text h1 .lighten {
      display: block;
      background: linear-gradient(90deg, var(--accent) 20%, #f7d983 80%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      font-weight: 900;
    }
    .hero-inner__text p {
      font-size: 1.12rem;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.85);
      max-width: 620px;
      margin-bottom: 32px;
    }
    .hero-inner__text .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 13px 32px;
      border-radius: 46px;
      font-size: 1rem;
      font-weight: 600;
      border: none;
      transition: var(--transition-base);
      cursor: pointer;
      line-height: 1.4;
    }
    .btn .fa {
      font-size: 0.85rem;
    }
    .btn-accent {
      background: var(--gradient-accent);
      color: #1f2d4d;
      box-shadow: 0 12px 28px rgba(232, 184, 75, 0.3);
    }
    .btn-accent:hover {
      transform: translateY(-3px);
      box-shadow: 0 18px 34px rgba(232, 184, 75, 0.4);
      background: var(--accent-hover);
      color: #0e1630;
    }
    .btn-outline-light {
      background: transparent;
      color: #fff;
      border: 1.5px solid rgba(255, 255, 255, 0.5);
      box-shadow: none;
    }
    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #ffffff;
      transform: translateY(-3px);
    }
    .hero-inner__media {
      display: flex;
      justify-content: center;
      align-items: center;
      animation: fadeSlideIn 0.7s 0.15s ease both;
    }
    .hero-media-card {
      width: 100%;
      max-width: 330px;
      border-radius: 28px;
      overflow: hidden;
      box-shadow: 0 28px 60px rgba(0, 0, 0, 0.45);
      background: var(--dark-bg2);
      transform: rotate(3deg);
      transition: var(--transition-base);
    }
    .hero-media-card img {
      width: 100%;
      height: 230px;
      object-fit: cover;
    }
    .hero-media-card .card-tag {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(6px);
      color: var(--accent);
      font-weight: 700;
      font-size: 0.8rem;
      letter-spacing: 0.6px;
      text-transform: uppercase;
    }
    @keyframes fadeSlideIn {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* breadcrumb */
    .breadcrumb-wrap {
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 15px 0;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      color: var(--text-light);
      flex-wrap: wrap;
    }
    .breadcrumb a {
      color: var(--primary);
      font-weight: 500;
    }
    .breadcrumb a:hover {
      text-decoration: underline;
    }
    .breadcrumb .current {
      color: var(--text-light);
      font-weight: 400;
    }
    .breadcrumb .sep {
      opacity: 0.5;
    }

    /* ========= INFO STRIP ========== */
    .info-strip {
      background: linear-gradient(90deg, var(--primary-dark), var(--primary));
      color: #fff;
      padding: 20px 0;
      border-bottom: 1px solid var(--border-dark);
    }
    .info-strip-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
    }
    .info-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.9rem;
      color: rgba(255, 255, 255, 0.9);
    }
    .info-item i {
      color: var(--accent);
      font-size: 1.2rem;
    }
    .info-item strong {
      color: #fff;
      font-weight: 700;
    }

    /* ========= GUIDE TOPICS ========= */
    .guide-topics-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 28px;
    }
    .guide-card {
      grid-column: span 4;
      background: var(--gradient-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .guide-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(26, 42, 108, 0.25);
    }
    .guide-card__icon {
      width: 60px;
      height: 60px;
      border-radius: 18px;
      background: var(--gradient-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--accent);
      font-size: 1.6rem;
      box-shadow: 0 8px 20px rgba(26, 42, 108, 0.2);
    }
    .guide-card:nth-child(2) .guide-card__icon {
      background: linear-gradient(135deg, #0f204b, #1d3e77);
    }
    .guide-card:nth-child(3) .guide-card__icon {
      background: linear-gradient(135deg, #3d1f2d, #6d2743);
    }
    .guide-card__content h3 {
      font-size: 1.25rem;
      margin-bottom: 10px;
      color: var(--text-dark);
    }
    .guide-card__content p {
      font-size: 0.95rem;
      color: var(--text-light);
      margin-bottom: 14px;
      flex: 1;
    }
    .guide-card__content .label-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 8px;
      margin-bottom: 4px;
    }
    .pill-label {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: var(--accent-light);
      color: #8a6a1a;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: 30px;
      letter-spacing: 0.3px;
    }
    .pill-label.dark-pill {
      background: rgba(26, 42, 108, 0.08);
      color: var(--primary-light);
    }

    /* ===== FEATURES / SELLING POINTS (classic tab-like) ===== */
    .guide-features-wrap {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-cell {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 30px 24px 26px;
      transition: var(--transition-base);
      backdrop-filter: blur(4px);
    }
    .feature-cell:hover {
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-5px);
    }
    .feature-cell__num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 14px;
      font-family: var(--font-main);
    }
    .feature-cell h3 {
      color: #fff;
      font-size: 1.15rem;
      margin-bottom: 12px;
    }
    .feature-cell p {
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.92rem;
      line-height: 1.7;
    }

    /* check list */
    .topic-checklist {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
      padding: 40px;
    }
    .topic-checklist h3 {
      font-size: 1.5rem;
      margin-bottom: 8px;
    }
    .topic-checklist>p {
      color: var(--text-light);
      margin-bottom: 26px;
    }
    .check-grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px 28px;
    }
    .check-item {
      position: relative;
      padding-left: 36px;
      font-size: 0.98rem;
      color: var(--text-dark);
    }
    .check-item::before {
      content: "\f058";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 1.1rem;
      color: var(--accent-hover);
      position: absolute;
      left: 0;
      top: 0px;
    }
    .check-item-sub {
      display: block;
      font-size: 0.87rem;
      color: var(--text-light);
      line-height: 1.5;
      margin-top: 2px;
    }

    /* ======= timeline / step-by-step ======= */
    .timeline-outer {
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
      max-width: 860px;
      margin: 0 auto;
    }
    .timeline-outer::before {
      content: "";
      position: absolute;
      left: 27px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: linear-gradient(180deg, var(--accent) 0%, rgba(232,184,75,0.1) 100%);
    }
    .timeline-item {
      position: relative;
      padding: 0 0 38px 78px;
      animation: fadeSlideIn 0.5s ease both;
    }
    .timeline-item:last-child {
      padding-bottom: 0;
    }
    .timeline-item__dot-wrapper {
      position: absolute;
      left: 0;
      top: 0;
      width: 56px;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-dark);
      border: 2px solid var(--accent);
      border-radius: 18px;
      color: var(--accent);
      font-size: 1.2rem;
      z-index: 2;
      box-shadow: 0 6px 14px rgba(0,0,0,0.4);
    }
    .timeline-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 22px 26px;
      transition: var(--transition-base);
    }
    .timeline-card:hover {
      background: rgba(255, 255, 255, 0.08);
    }
    .timeline-card h3 {
      color: #fff;
      font-size: 1.15rem;
      margin-bottom: 8px;
    }
    .timeline-card p {
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.92rem;
    }

    /* comparison panel */
    .compare-panel {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
      padding: 36px;
    }
    .compare-panel h3 {
      font-size: 1.5rem;
      margin-bottom: 18px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }
    .compare-table-wrap {
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.95rem;
      min-width: 660px;
    }
    .compare-table th,
    .compare-table td {
      text-align: left;
      padding: 15px 16px;
      border-bottom: 1px solid var(--border);
      vertical-align: top;
    }
    .compare-table th {
      font-weight: 700;
      color: var(--text-dark);
      background: #f0f4fb;
      font-size: 0.9rem;
    }
    .compare-table td:first-child {
      font-weight: 700;
      color: var(--primary);
    }
    .compare-table tbody tr:hover {
      background: rgba(26, 42, 108, 0.02);
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--gradient-primary);
      padding: 70px 0;
      color: #fff;
    }
    .cta-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      flex-wrap: wrap;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.16);
      border-radius: 30px;
      padding: 40px 42px;
      backdrop-filter: blur(6px);
    }
    .cta-box h2 {
      color: #fff;
      font-size: clamp(1.5rem, 3vw, 2.2rem);
      margin-bottom: 8px;
    }
    .cta-box p {
      color: rgba(255,255,255,0.83);
      font-size: 1rem;
    }
    .cta-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      flex-shrink: 0;
    }
    .btn-dark {
      background: #142850;
      color: #fff;
      border: 1.5px solid rgba(255,255,255,0.4);
    }
    .btn-dark:hover {
      background: #101f3e;
      transform: translateY(-3px);
      border-color: #fff;
      color: #fff;
    }

    /* FAQ */
    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 0;
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
      transition: var(--transition-base);
      overflow: hidden;
    }
    .faq-item:hover {
      border-color: rgba(26, 42, 108, 0.15);
    }
    .faq-item summary {
      list-style: none;
      padding: 22px 34px 22px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--text-dark);
      transition: var(--transition-base);
      position: relative;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary .fa-chevron-down {
      transition: transform 0.3s ease;
      color: var(--primary);
      margin-left: 18px;
      flex-shrink: 0;
    }
    .faq-item[open] summary .fa-chevron-down {
      transform: rotate(180deg);
    }
    .faq-item[open] {
      border-color: rgba(26, 42, 108, 0.2);
      box-shadow: 0 10px 26px rgba(10, 30, 60, 0.08);
    }
    .faq-content {
      padding: 0 24px 22px;
      color: var(--text-light);
      line-height: 1.8;
      font-size: 0.96rem;
    }

    /* ====== FOOTER (given style) ====== */
    .footer {
      background: var(--dark-bg);
      color: rgba(255, 255, 255, 0.7);
      padding: 74px 0 28px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
      gap: 40px;
      margin-bottom: 44px;
    }
    .footer-brand .brand-logo__text {
      color: #fff;
    }
    .footer-brand p {
      max-width: 340px;
      font-size: 0.92rem;
      line-height: 1.8;
      margin-top: 14px;
      color: rgba(255,255,255,0.65);
    }
    .footer .brand-logo__mark {
      background: #fff;
      color: var(--primary-dark);
    }
    .footer h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 18px;
      letter-spacing: 0.3px;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.92rem;
    }
    .footer-links a {
      color: rgba(255,255,255,0.7);
      transition: var(--transition-base);
    }
    .footer-links a:hover {
      color: var(--accent);
      padding-left: 3px;
    }
    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .footer-contact a {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-size: 0.9rem;
      word-break: break-all;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.12);
      padding: 22px 0 0;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 0.87rem;
      color: rgba(255,255,255,0.5);
    }
    .footer-disclaimer {
      margin-top: 16px;
      border-top: 1px solid rgba(255,255,255,0.07);
      padding: 16px 0 0;
      font-size: 0.78rem;
      color: rgba(255,255,255,0.35);
      line-height: 1.6;
    }

    /* ------- responsive layout ------- */
    @media (max-width: 1024px) {
      .container {
        padding: 0 20px;
      }
      .hero-inner {
        padding: 74px 0 50px;
      }
      .hero-inner__content {
        grid-template-columns: 1fr;
        gap: 34px;
        text-align: center;
      }
      .hero-inner__text p {
        margin-left: auto;
        margin-right: auto;
      }
      .hero-inner__text .btn-row {
        justify-content: center;
      }
      .hero-inner__media {
        display: none;
      }
      .guide-card {
        grid-column: span 6;
      }
      .guide-features-wrap {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }
    @media (max-width: 768px) {
      .section {
        padding: 60px 0;
      }
      .section-header {
        text-align: left;
        margin-bottom: 36px;
      }
      .section-header .bg-label {
        margin-bottom: 12px;
      }
      .nav-links {
        position: fixed;
        top: 60px;
        left: 16px;
        right: 16px;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border-radius: 18px;
        box-shadow: 0 22px 55px rgba(0,0,0,0.15);
        padding: 12px;
        border: 1px solid var(--border);
        display: none;
        z-index: 100;
        gap: 4px;
      }
      .nav-links.open {
        display: flex;
        animation: fadeSlideIn 0.25s ease both;
      }
      .nav-links a {
        padding: 12px 20px;
        border-radius: 12px;
        font-size: 1rem;
      }
      .brand-logo__text {
        font-size: 1.05rem;
      }
      .brand-logo__mark {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        font-size: 0.95rem;
      }
      .menu-toggle {
        display: inline-flex;
      }
      .btn-icon.search-link {
        display: none;
      }
      .nav {
        min-height: 64px;
        gap: 12px;
      }
      .hero-inner__text h1 {
        font-size: 2rem;
      }
      .hero-inner__text p {
        font-size: 1rem;
      }
      .guide-topics-grid,
      .guide-features-wrap {
        grid-template-columns: 1fr;
      }
      .guide-card {
        grid-column: span 12;
      }
      .topic-checklist,
      .compare-panel {
        padding: 28px 22px;
      }
      .check-grid-2 {
        grid-template-columns: 1fr;
      }
      .timeline-item {
        padding-left: 0;
        padding-top: 64px;
      }
      .timeline-outer::before {
        left: 28px;
        top: 10px;
      }
      .timeline-item__dot-wrapper {
        left: 0;
        top: 0;
      }
      .timeline-card {
        padding: 18px;
      }
      .cta-box {
        padding: 28px 24px;
        display: grid;
        justify-content: stretch;
      }
      .cta-actions .btn {
        width: 100%;
        justify-content: center;
      }
    }
    @media (max-width: 520px) {
      .brand-logo__text {
        font-size: 0.95rem;
        margin-right: auto;
      }
      .container {
        padding: 0 16px;
      }
      .hero-inner {
        padding: 64px 0 44px;
      }
      .btn {
        width: 100%;
        justify-content: center;
      }
      .hero-inner__text .btn-row {
        flex-direction: column;
      }
      .guide-card {
        padding: 24px 20px;
      }
      .section-header h2 {
        font-size: 1.7rem;
      }
      .compare-panel {
        padding: 20px 14px;
      }
      .compare-table th,
      .compare-table td {
        padding: 12px 8px;
        font-size: 0.85rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 4px;
      }
    }
    @media (max-width: 380px) {
      .btn-icon {
        display: none;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #0e1e3d;
            --primary-light: #1a2f5a;
            --accent: #f5b942;
            --accent-dark: #d99a22;
            --accent-light: #ffe6a8;
            --dark-bg: #0a1428;
            --card-dark: #10203f;
            --bg-body: #f4f6fa;
            --bg-white: #ffffff;
            --text-main: #1a2433;
            --text-body: #3c4757;
            --text-muted: #6b7a90;
            --text-light: #94a6bc;
            --border-light: #e5eaf0;
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-md: 0 10px 30px rgba(14, 30, 61, 0.08);
            --shadow-lg: 0 20px 50px rgba(14, 30, 61, 0.12);
            --shadow-accent: 0 8px 20px rgba(245, 185, 66, 0.25);
            --space-xs: .5rem;
            --space-sm: .875rem;
            --space-md: 1.5rem;
            --space-lg: 3rem;
            --space-xl: 4.5rem;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'Barlow Condensed', 'Inter', sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        svg { vertical-align: middle; }
        ul, ol { list-style: none; padding-left: 0; }
        .container {
            width: min(100% - 2.5rem, 1280px);
            margin-inline: auto;
        }
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255,255,255,0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow .3s ease, background .3s ease;
        }
        .header.is-scrolled {
            box-shadow: 0 8px 30px rgba(14,30,61,0.07);
            background: rgba(255,255,255,0.97);
        }
        .nav {
            display: flex;
            align-items: center;
            min-height: 70px;
            gap: 2rem;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            flex-shrink: 0;
        }
        .brand-logo__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--dark-bg);
            color: var(--accent);
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            border-radius: 10px;
            letter-spacing: .5px;
            box-shadow: 0 4px 12px rgba(14,30,61,0.2);
        }
        .brand-logo__text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: .2px;
            color: var(--primary);
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.8rem;
            margin-left: auto;
        }
        .nav-links a {
            font-weight: 500;
            font-size: .98rem;
            color: var(--text-body);
            position: relative;
            padding: .3rem 0;
            transition: color .25s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            border-radius: 2px;
            transition: transform .28s ease;
        }
        .nav-links a:hover { color: var(--primary); }
        .nav-links a:hover::after { transform: scaleX(1); }
        .nav-links a.is-active { color: var(--primary); font-weight: 600; }
        .nav-links a.is-active::after { transform: scaleX(1); }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: .2rem;
            margin-left: 1rem;
        }
        .btn-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            color: var(--text-body);
            transition: background .25s ease, color .25s ease, transform .2s ease;
        }
        .btn-icon:hover {
            background: var(--bg-body);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-icon:focus-visible, .nav-links a:focus-visible, .menu-toggle:focus-visible, .btn-primary:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .menu-toggle {
            display: none;
        }
        /* Main layout */
        .main { padding-top: 70px; }
        .section { padding: var(--space-xl) 0; }
        .section-header { max-width: 780px; margin-bottom: 3rem; }
        .section-label {
            display: inline-block;
            font-family: var(--font-display);
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            font-size: .85rem;
            color: var(--accent-dark);
            background: var(--accent-light);
            padding: .3rem .8rem;
            border-radius: 100px;
            margin-bottom: .6rem;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.15;
            color: var(--primary);
            margin-bottom: .6rem;
        }
        .section-desc { color: var(--text-body); font-size: 1.08rem; }
        /* Hero */
        .page-hero {
            position: relative;
            background: var(--dark-bg);
            background-image: linear-gradient(rgba(14,30,61,0.92), rgba(14,30,61,0.82)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            padding: 5.5rem 0 4.5rem;
            border-radius: 0 0 32px 32px;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -10%;
            top: -20%;
            width: 45%;
            height: 120%;
            background: radial-gradient(circle, rgba(245,185,66,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container { position: relative; z-index: 2; }
        .hero-content { max-width: 850px; }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-family: var(--font-display);
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            font-size: .85rem;
            color: var(--accent);
            background: rgba(245,185,66,0.12);
            border: 1px solid rgba(245,185,66,0.3);
            padding: .35rem .9rem;
            border-radius: 100px;
            margin-bottom: 1.2rem;
        }
        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 4.6vw, 4rem);
            font-weight: 700;
            line-height: 1.05;
            color: #fff;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
            letter-spacing: .5px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .hero-title span { color: var(--accent); }
        .hero-subtitle {
            font-size: 1.12rem;
            max-width: 670px;
            color: rgba(255,255,255,0.88);
            line-height: 1.8;
        }
        .hero-tags { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.6rem; }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            color: rgba(255,255,255,0.92);
            font-size: .85rem;
            font-weight: 500;
            border-radius: 100px;
            padding: .3rem .9rem;
        }
        .badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
        /* Data Cards */
        .data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .data-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            position: relative;
            overflow: hidden;
        }
        .data-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--primary-light);
            transition: background .3s ease;
        }
        .data-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .data-card:hover::before { background: var(--accent); }
        .data-card__icon {
            width: 48px;
            height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 12px;
            margin-bottom: 1.2rem;
            color: var(--accent);
            font-size: 1.2rem;
            box-shadow: 0 8px 18px rgba(14,30,61,0.18);
        }
        .data-card__title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: .5rem; }
        .data-card__desc { color: var(--text-body); font-size: .96rem; }
        .data-card__list { margin-top: 1.2rem; display: grid; gap: .6rem; }
        .data-card__list li { display: flex; gap: .5rem; font-size: .92rem; color: var(--text-body); }
        .data-card__list li svg { flex-shrink: 0; margin-top: .3rem; }
        /* Feature strip */
        .feature-strip {
            background: var(--dark-bg);
            padding: 3.5rem 0;
            border-radius: 32px;
            margin-inline: auto;
            background-image: linear-gradient(rgba(16,32,63,0.9), rgba(16,32,63,0.95)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            max-width: calc(100% - 2.5rem);
        }
        .feature-strip .section-title { color: #fff; }
        .feature-strip .section-desc { color: rgba(255,255,255,0.76); }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 2rem;
        }
        .feature-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 1.5rem 1rem;
            text-align: center;
            transition: background .3s ease, transform .3s ease;
        }
        .feature-item:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); }
        .feature-item__num {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .feature-item__label { color: rgba(255,255,255,0.72); font-size: .86rem; margin-top: .2rem; }
        /* Cover cards / topic modules */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .topic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .topic-card__media {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        .topic-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .topic-card:hover .topic-card__media img { transform: scale(1.05); }
        .topic-card__tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary);
            font-size: .75rem;
            font-weight: 700;
            padding: .2rem .7rem;
            border-radius: 100px;
            text-transform: uppercase;
            letter-spacing: .5px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        }
        .topic-card__body { padding: 1.6rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
        .topic-card__title { font-family: var(--font-body); font-size: 1.2rem; font-weight: 700; color: var(--primary); line-height: 1.4; }
        .topic-card__sub { color: var(--text-muted); font-size: .9rem; }
        .topic-card__link { margin-top: auto; padding-top: .8rem; }
        .topic-card__link a {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            color: var(--accent-dark);
            font-weight: 600;
            font-size: .9rem;
            transition: gap .25s ease;
        }
        .topic-card__link a:hover { gap: .6rem; }
        .arrow-icon { transition: transform .2s ease; }
        .topic-card:hover .arrow-icon { transform: translateX(4px); }
        /* module split */
        .split-box {
            display: flex;
            gap: 3rem;
            align-items: center;
            background: var(--dark-bg);
            border-radius: 24px;
            overflow: hidden;
            padding: 0;
            box-shadow: var(--shadow-lg);
        }
        .split-box__media { position: relative; flex: 1 1 50%; min-height: 420px; overflow: hidden; }
        .split-box__media img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
        .split-box__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, transparent 50%, rgba(10,20,40,1) 100%); }
        .split-box__content { flex: 1 1 50%; padding: 3.5rem; color: #fff; }
        .split-box__content .section-label { background: rgba(245,185,66,0.15); color: var(--accent); }
        .split-box__content p { color: rgba(255,255,255,0.75); font-size: .98rem; }
        .split-box__content h2.section-title { color: #fff; }
        .split-box-list {
            display: grid;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .accent-list li { display: flex; gap: .7rem; align-items: flex-start; }
        .accent-list li svg { flex-shrink: 0; margin-top: .3rem; }
        /* Process */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 2.5rem;
        }
        .process-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            border: 1px solid var(--border-light);
            position: relative;
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .process-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .process-step {
            font-family: var(--font-display);
            font-size: .9rem;
            font-weight: 700;
            color: var(--accent-dark);
            letter-spacing: 1.5px;
            background: var(--accent-light);
            display: inline-block;
            padding: .15rem .7rem;
            border-radius: 4px;
            margin-bottom: 1rem;
        }
        .process-title { font-family: var(--font-display); font-size: 1.35rem; color: var(--primary); margin-bottom: .5rem; }
        .process-desc { color: var(--text-muted); font-size: .92rem; line-height: 1.65; }
        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, #0a1428 0%, #16294b 60%, #1d3361 100%);
            border-radius: 28px;
            padding: 3.8rem 3.5rem;
            color: #fff;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2.5rem;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            right: -15%;
            top: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245,185,66,0.15) 0%, transparent 60%);
        }
        .cta-left { max-width: 620px; position: relative; z-index: 1; }
        .cta-left h2 { font-family: var(--font-display); font-size: 2.2rem; line-height: 1.2; margin-bottom: .5rem; }
        .cta-left p { color: rgba(255,255,255,0.7); }
        .btn-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.8rem; }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: .9rem 2rem;
            border-radius: 60px;
            transition: background .3s ease, transform .25s ease, box-shadow .3s ease;
            box-shadow: 0 4px 16px rgba(245,185,66,0.3);
            border: 2px solid transparent;
            font-size: .95rem;
        }
        .btn-primary:hover { background: #ffc855; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(245,185,66,0.4); }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            border: 2px solid rgba(255,255,255,0.4);
            color: #fff;
            font-weight: 600;
            padding: .85rem 1.8rem;
            border-radius: 60px;
            transition: border-color .3s ease, background .3s ease;
            font-size: .95rem;
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(245,185,66,0.08); }
        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: .9rem 2.2rem;
            border-radius: 60px;
            transition: all .3s ease;
            font-size: .95rem;
        }
        .btn-light:hover { background: #ffc855; transform: translateY(-2px); }
        /* FAQ */
        .faq-container {
            max-width: 920px;
            margin-inline: auto;
            display: grid;
            gap: 1rem;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow .3s ease;
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-item__question {
            width: 100%;
            text-align: left;
            padding: 1.3rem 1.6rem;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: color .25s ease;
            background: var(--bg-white);
        }
        .faq-item__question:hover { color: var(--accent-dark); }
        .faq-item__question .icon { flex-shrink: 0; width: 20px; height: 20px; transition: transform .3s ease; position: relative; }
        .faq-item__question .icon i {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: opacity .2s ease;
        }
        .faq-item__answer {
            display: none;
            padding: 0 1.6rem 1.5rem;
            color: var(--text-body);
            font-size: .95rem;
            line-height: 1.8;
        }
        .faq-item__answer p { color: var(--text-muted); }
        .faq-item.open .faq-item__question { color: var(--accent-dark); }
        .faq-item.open .faq-item__question .icon .minus { opacity: 1; transform: scale(1); }
        .icon .plus { opacity: 1; transform: scale(1); }
        .icon .minus { opacity: 0; transform: scale(.5); }
        .faq-item.open .icon .plus { opacity: 0; transform: scale(.5); }
        .faq-item.open .icon .minus { opacity: 1; transform: scale(1); }
        /* Footer */
        .footer {
            background: var(--dark-bg);
            padding: 4.5rem 0 1.5rem;
            margin-top: 2rem;
            color: rgba(255,255,255,0.75);
        }
        .footer .brand-logo__mark { width: 38px; height: 38px; }
        .footer .brand-logo__text { color: #fff; font-size: 1.15rem; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
        }
        .footer-brand { max-width: 300px; }
        .footer-brand p, .footer-contact p { color: rgba(255,255,255,0.55); font-size: .86rem; line-height: 1.7; margin-top: 1rem; }
        .footer h4 {
            font-family: var(--font-display);
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 1.2rem;
            letter-spacing: .5px;
        }
        .footer-links { display: grid; gap: .7rem; }
        .footer-links a { color: rgba(255,255,255,0.5); font-size: .92rem; display: flex; align-items: center; gap: .4rem; transition: color .3s ease, padding-left .3s ease; }
        .footer-links a::before { content: '›'; color: var(--accent); font-weight: 700; display: inline-block; }
        .footer-links a:hover { color: var(--accent); padding-left: .2rem; }
        .footer-contact a { color: rgba(255,255,255,0.6); font-size: .92rem; display: inline-flex; align-items: center; gap: .4rem; transition: color .3s ease; }
        .footer-contact a:hover { color: var(--accent); }
        i { font-style: normal; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 3rem;
            padding-top: 1.6rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: .5rem;
            font-size: .85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-disclaimer {
            margin-top: 1rem;
            padding: 1rem 1.2rem;
            background: rgba(245,185,66,0.04);
            border: 1px solid rgba(245,185,66,0.12);
            border-radius: 10px;
            color: rgba(255,255,255,0.45);
            font-size: .8rem;
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .nav-links { gap: 1rem; }
            .brand-logo__text { font-size: 1.1rem; }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .topic-grid { grid-template-columns: repeat(2, 1fr); }
            .process-grid { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .split-box { flex-direction: column; }
            .split-box__media { width: 100%; min-height: 260px; max-height: 300px; position: relative; }
            .split-box__media img { position: absolute; }
            .split-box__media::after { background: linear-gradient(to bottom, transparent 50%, rgba(10,20,40,.9)); }
            .split-box__content { padding: 2rem; }
            .cta-panel { flex-direction: column; padding: 3rem 2.2rem; }
        }
        @media (max-width: 768px) {
            .nav { min-height: 64px; }
            .nav-links {
                position: fixed;
                background: #fff;
                top: 64px;
                right: 0;
                width: min(360px, 90%);
                flex-direction: column;
                align-items: stretch;
                gap: .5rem;
                padding: 2rem 1.5rem;
                border-radius: 0 0 0 20px;
                box-shadow: -10px 20px 40px rgba(0,0,0,0.08);
                transform: translateX(110%);
                transition: transform .4s cubic-bezier(0.4, 0, 0.2, 1);
                margin-left: 0;
                border-left: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
                z-index: 999;
            }
            .nav-links.open { transform: translateX(0); }
            .nav-links a { font-size: 1.05rem; padding: .6rem .4rem; border-bottom: 1px solid var(--border-light); }
            .nav-links a:last-child { border-bottom: none; }
            .nav-links a.is-active { font-weight: 700; }
            .nav-links a::after { display: none; }
            .menu-toggle { display: inline-flex; }
            .section-title { font-size: 1.8rem; }
            .data-grid { grid-template-columns: 1fr; }
            .topic-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: 1fr; }
            .page-hero { padding: 4rem 0 3rem; border-radius: 0 0 20px 20px; }
            .hero-title { font-size: 2.5rem; }
            .container { width: min(100% - 1.6rem, 1280px); }
            .footer { padding-top: 3rem; }
            .footer-disclaimer { margin-top: 1.5rem; }
            .faq-item__question { padding: 1.2rem 1.2rem; font-size: .95rem; }
            .faq-item__answer { padding: 0rem 1.2rem 1.2rem; }
        }
        @media (max-width: 520px) {
            .brand-logo__text { display: none; }
            .brand-logo__mark {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .nav-cta { margin-left: auto; }
            .nav { gap: .6rem; }
            .feature-strip { max-width: calc(100% - 1.6rem); border-radius: 16px; }
            .split-box { border-radius: 14px; }
            .split-box__content { padding: 1.8rem; }
            .split-box__content h2.section-title { font-size: 1.8rem; }
            .cta-panel { border-radius: 18px; padding: 2.2rem 1.4rem; }
            .cta-left h2 { font-size: 1.8rem; }
            .btn-primary, .btn-outline { width: 100%; justify-content: center; }
            .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
            .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
        }
        @media (min-width: 520px) {
            .brand-logo__text.display-default { display: inline; }
        }
        .footer i { font-style: normal; }
        .no-scroll { overflow: hidden; }
        .section-sub-label { font-family: var(--font-display); font-size: .8rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-dark); }