/* roulang page: index */
:root {
  --dark-bg: #0d1321;
  --dark-bg-2: #131a2e;
  --light-bg: #f6f7fb;
  --brand-primary: #0fd4a8;
  --brand-secondary: #6c5dd3;
  --accent-orange: #ff9d5c;
  --text-primary: #1e2433;
  --text-secondary: #5a6274;
  --border-color: #e5e8f0;
  --radius-lg: 22px;
  --radius-md: 12px;
  --shadow-base: 0 8px 30px rgba(13, 19, 33, .07);
  --shadow-hover: 0 16px 40px rgba(13, 19, 33, .14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  background: var(--light-bg);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== Header & Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(13, 17, 33, .85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 999;
  transition: box-shadow .3s ease, background .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, .25);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(15, 212, 168, .35);
}
.brand-text {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-text span { color: var(--brand-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all .25s ease;
  white-space: nowrap;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, .08);
}
.nav-link.active {
  color: #fff;
  background: rgba(15, 212, 168, .15);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, .8);
  background: rgba(255, 255, 255, .08);
  transition: all .25s ease;
}
.search-btn:hover {
  background: rgba(255, 255, 255, .15);
  color: #fff;
}
.nav-cta {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 10px;
  transition: all .25s ease;
  box-shadow: 0 4px 14px rgba(15, 212, 168, .25);
}
.nav-cta:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15, 212, 168, .4);
}
.nav-cta:active { transform: scale(.97); }
.mobile-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  align-items: center; justify-content: center;
  font-size: 16px;
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0; right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--dark-bg);
  z-index: 1000;
  transition: right .35s cubic-bezier(.4, 0, .2, 1);
  padding: 80px 24px 32px;
  box-shadow: -8px 0 30px rgba(0, 0, 0, .3);
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}
.drawer-link {
  display: block;
  padding: 14px 16px;
  color: rgba(255, 255, 255, .85);
  font-size: 15px;
  font-weight: 500;
  border-radius: 12px;
  transition: all .25s ease;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.drawer-link:hover {
  background: rgba(255, 255, 255, .08);
  color: #fff;
}
.drawer-link.active {
  color: var(--brand-primary);
  background: rgba(15, 212, 168, .1);
}
.drawer-cta {
  margin-top: 24px;
  display: block;
  text-align: center;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  font-weight: 600;
  border-radius: 12px;
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.drawer-overlay.show { opacity: 1; pointer-events: auto; }

/* ===== Hero ===== */
.hero {
  background: var(--dark-bg);
  position: relative;
  padding: 140px 0 90px;
  overflow: hidden;
  min-height: 70vh;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(15, 212, 168, .18), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(108, 93, 211, .2), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(15, 212, 168, .12);
  border: 1px solid rgba(15, 212, 168, .3);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
}
.hero-title {
  color: #fff;
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-title .gradient-text {
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  color: rgba(255, 255, 255, .7);
  font-size: 16px;
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 32px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s ease;
  box-shadow: 0 6px 24px rgba(15, 212, 168, .3);
}
.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(15, 212, 168, .4);
}
.btn-primary:active { transform: scale(.97); }
.btn-outline {
  border: 1px solid rgba(255, 255, 255, .25);
  color: rgba(255, 255, 255, .9);
  font-size: 15px;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s ease;
  background: rgba(255, 255, 255, .04);
}
.btn-outline:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: rgba(15, 212, 168, .08);
  transform: translateY(-2px);
}
.btn-outline:active { transform: scale(.97); }
.hero-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .85);
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(8px);
}
.stat-badge .stat-num {
  color: var(--accent-orange);
  font-weight: 700;
  font-size: 16px;
}
.hero-visual {
  position: relative;
}
.hero-img-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}
.hero-img-wrap img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(13, 19, 33, .5));
  pointer-events: none;
}
.hero-float-card {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(13, 17, 33, .7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}
.hero-float-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.hero-float-text { font-size: 13px; line-height: 1.5; }
.hero-float-text strong { display: block; font-size: 14px; }

/* ===== Section Common ===== */
.section { padding: 80px 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.section-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
}
.section-link {
  color: var(--brand-secondary);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .25s ease;
  white-space: nowrap;
}
.section-link:hover { gap: 10px; color: var(--brand-primary); }

/* ===== Carousel ===== */
.carousel-track {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 12px;
  padding-right: 10px;
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-card {
  min-width: 280px;
  max-width: 280px;
  scroll-snap-align: start;
  border-radius: 20px;
  overflow: hidden;
  background: var(--dark-bg-2);
  border: 1px solid rgba(255, 255, 255, .08);
  transition: all .3s ease;
  flex-shrink: 0;
}
.carousel-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(13, 19, 33, .35);
  border-color: rgba(15, 212, 168, .3);
}
.carousel-cover {
  height: 170px;
  overflow: hidden;
  position: relative;
}
.carousel-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.carousel-card:hover .carousel-cover img { transform: scale(1.05); }
.carousel-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(13, 19, 33, .7);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .15);
}
.carousel-body { padding: 16px 18px 20px; }
.carousel-body h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.carousel-body .tag-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.mini-tag {
  font-size: 12px;
  color: rgba(255, 255, 255, .6);
  background: rgba(255, 255, 255, .08);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ===== Popular Cards ===== */
.popular-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.popular-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-base);
  transition: all .3s ease;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}
.popular-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(15, 212, 168, .4);
}
.popular-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.popular-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.popular-card:hover .popular-cover img { transform: scale(1.05); }
.hot-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--accent-orange);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(255, 157, 92, .4);
}
.popular-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.popular-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.popular-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  flex: 1;
}
.popular-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}
.popular-meta .cat-badge {
  background: rgba(108, 93, 211, .1);
  color: var(--brand-secondary);
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 999px;
}

/* ===== Playlist Groups ===== */
.playlist-group { margin-bottom: 40px; }
.playlist-group:last-child { margin-bottom: 0; }
.group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.group-head h3 {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.group-head h3::before {
  content: '';
  width: 18px; height: 18px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  display: inline-block;
}
.group-link {
  font-size: 13px;
  color: var(--brand-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap .25s ease;
}
.group-link:hover { gap: 8px; }
.small-card {
  min-width: 220px;
  max-width: 220px;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-base);
  transition: all .3s ease;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  scroll-snap-align: start;
}
.small-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.small-cover {
  height: 130px;
  overflow: hidden;
}
.small-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.small-card:hover .small-cover img { transform: scale(1.05); }
.small-body { padding: 14px 16px; }
.small-body h4 {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.small-body .small-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--dark-bg);
  position: relative;
  padding: 70px 0;
  overflow: hidden;
  text-align: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(15, 212, 168, .2), transparent 65%);
  pointer-events: none;
}
.cta-banner-inner { position: relative; z-index: 2; }
.cta-banner h2 {
  color: #fff;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.cta-banner p {
  color: rgba(255, 255, 255, .65);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto 30px;
}
.cta-banner .btn-primary { font-size: 16px; padding: 15px 38px; }

/* ===== CMS List ===== */
.cms-section { background: var(--light-bg); }
.cms-list { display: flex; flex-direction: column; gap: 16px; }
.cms-row {
  display: flex;
  gap: 20px;
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-base);
  border: 1px solid var(--border-color);
  transition: all .3s ease;
  align-items: center;
}
.cms-row:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(15, 212, 168, .35);
}
.cms-thumb {
  width: 140px;
  height: 90px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.cms-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.cms-content { flex: 1; min-width: 0; }
.cms-content h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cms-content p {
  font-size: 13px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.cms-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}
.cms-meta .cat-badge {
  background: rgba(15, 212, 168, .1);
  color: #0daE8a;
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 500;
}
.cms-meta .date {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.cms-empty {
  text-align: center;
  padding: 50px 20px;
  background: #fff;
  border-radius: 16px;
  border: 1px dashed var(--border-color);
  color: var(--text-secondary);
  font-size: 14px;
}

/* ===== FAQ ===== */
.faq-section { background: #f0f2f7; }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all .3s ease;
}
.faq-item:hover { border-color: rgba(15, 212, 168, .3); }
.faq-item.open { box-shadow: var(--shadow-base); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: color .2s ease;
}
.faq-question:hover { color: var(--brand-primary); }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(15, 212, 168, .1);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-primary);
  font-size: 14px;
  transition: all .3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Contact / Form ===== */
.contact-section {
  background: var(--dark-bg);
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  bottom: -80px; right: -60px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(108, 93, 211, .2), transparent 70%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.contact-info h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.contact-info p {
  color: rgba(255, 255, 255, .65);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.contact-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, .8);
  font-size: 14px;
}
.contact-feature .feat-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: rgba(15, 212, 168, .12);
  border: 1px solid rgba(15, 212, 168, .25);
  color: var(--brand-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.contact-form-wrap {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 22px;
  padding: 30px;
  backdrop-filter: blur(10px);
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  color: rgba(255, 255, 255, .7);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 10px;
  padding: 12px 16px;
  color: #fff;
  font-size: 14px;
  transition: all .25s ease;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--brand-primary);
  background: rgba(255, 255, 255, .1);
  box-shadow: 0 0 0 3px rgba(15, 212, 168, .15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255, 255, 255, .35); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-submit {
  width: 100%;
  padding: 13px 24px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  transition: all .3s ease;
  box-shadow: 0 4px 18px rgba(15, 212, 168, .25);
}
.form-submit:hover { filter: brightness(1.1); transform: translateY(-2px); }
.form-submit:active { transform: scale(.97); }
.form-msg {
  display: none;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  background: rgba(15, 212, 168, .12);
  border: 1px solid rgba(15, 212, 168, .3);
  color: var(--brand-primary);
}
.form-msg.show { display: block; }

/* ===== Footer ===== */
.site-footer {
  background: #090e1a;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, .06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .brand-logo { margin-bottom: 14px; }
.footer-brand .brand-text { font-size: 18px; }
.footer-desc {
  color: rgba(255, 255, 255, .45);
  font-size: 13px;
  line-height: 1.7;
  max-width: 320px;
  margin-top: 12px;
}
.footer-col h4 {
  color: rgba(255, 255, 255, .9);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, .5);
  font-size: 13px;
  transition: color .2s ease;
}
.footer-links a:hover { color: var(--brand-primary); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(255, 255, 255, .35);
  font-size: 12px;
}
.footer-bottom a { color: rgba(255, 255, 255, .35); }
.footer-bottom a:hover { color: var(--brand-primary); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid { gap: 40px; }
  .hero-title { font-size: 2.5rem; }
  .popular-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-links { display: none; }
  .nav-actions .search-btn { display: none; }
  .nav-cta { display: none; }
  .mobile-toggle { display: flex; }
  .hero { padding: 120px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { order: -1; }
  .hero-img-wrap img { height: 280px; }
  .popular-grid { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .cms-thumb { width: 100px; height: 74px; }
}
@media (max-width: 520px) {
  .hero-title { font-size: 1.9rem; }
  .popular-grid { grid-template-columns: 1fr; }
  .hero-ctas .btn-primary, .hero-ctas .btn-outline { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .contact-form-wrap { padding: 20px; }
  .carousel-card { min-width: 240px; max-width: 240px; }
  .small-card { min-width: 180px; max-width: 180px; }
  .cms-row { flex-direction: column; align-items: flex-start; }
  .cms-thumb { width: 100%; height: 140px; }
}

/* roulang page: category1 */
:root {
      --deep: #0D1321;
      --light: #F6F7FB;
      --primary: #0FD4A8;
      --secondary: #6C5DD3;
      --accent: #FF9D5C;
      --text-dark: #1E2433;
      --text-light: #5A6274;
      --border: #E5E8F0;
      --radius-lg: 22px;
      --radius-md: 12px;
      --shadow-light: 0 8px 30px rgba(13,19,33,.07);
      --shadow-hover: 0 16px 40px rgba(13,19,33,.14);
      --gradient: linear-gradient(135deg, #0FD4A8, #6C5DD3);
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      color: var(--text-dark);
      line-height: 1.7;
      background: var(--light);
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: color .25s; }
    button { cursor: pointer; border: none; background: none; font-family: inherit; }
    input, textarea { font-family: inherit; }

    .container-x {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      height: 64px;
      background: rgba(13, 17, 33, .88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255,255,255,.08);
      transition: box-shadow .3s;
    }

    .site-header.scrolled {
      box-shadow: 0 6px 24px rgba(0,0,0,.35);
    }

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

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .brand-logo i {
      color: var(--primary);
      font-size: 20px;
      background: rgba(15,212,168,.15);
      border-radius: 10px;
      padding: 6px;
      width: 30px; height: 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .brand-logo .brand-text span {
      background: var(--gradient);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: 40px;
    }

    .nav-links .nav-link {
      color: rgba(255,255,255,.72);
      font-size: 14px;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 8px;
      transition: all .25s;
    }

    .nav-links .nav-link:hover {
      color: #fff;
      background: rgba(255,255,255,.08);
    }

    .nav-links .nav-link.active {
      color: #fff;
      background: rgba(255,255,255,.12);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .header-search {
      display: none;
      align-items: center;
      background: rgba(255,255,255,.08);
      border-radius: 20px;
      padding: 6px 14px;
      gap: 8px;
      color: rgba(255,255,255,.55);
      border: 1px solid transparent;
      transition: border-color .25s;
    }

    .header-search:hover {
      border-color: rgba(255,255,255,.15);
    }

    .header-search input {
      background: transparent;
      border: none;
      outline: none;
      color: #fff;
      font-size: 13px;
      width: 120px;
    }
    .header-search input::placeholder { color: rgba(255,255,255,.4); }

    .btn-gradient {
      background: var(--gradient);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      padding: 8px 20px;
      border-radius: 10px;
      transition: filter .25s, transform .2s;
      box-shadow: 0 4px 16px rgba(15,212,168,.25);
    }

    .btn-gradient:hover {
      filter: brightness(1.1);
      transform: translateY(-1px);
    }

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

    .menu-toggle {
      display: none;
      width: 40px; height: 40px;
      border-radius: 10px;
      background: rgba(255,255,255,.08);
      color: #fff;
      font-size: 18px;
      align-items: center;
      justify-content: center;
    }

    /* mobile drawer */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 64px; left: 0; right: 0;
      background: rgba(13,17,33,.97);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255,255,255,.1);
      padding: 16px 24px 24px;
      z-index: 999;
    }

    .mobile-drawer.open { display: block; }

    .mobile-drawer .nav-link {
      display: block;
      color: rgba(255,255,255,.8);
      padding: 12px 8px;
      font-size: 15px;
      border-bottom: 1px solid rgba(255,255,255,.06);
    }

    .mobile-drawer .nav-link.active {
      color: var(--primary);
    }

    .mobile-drawer .btn-gradient {
      display: block;
      text-align: center;
      margin-top: 16px;
    }

    /* ===== Hero ===== */
    .hero {
      background: var(--deep);
      color: #fff;
      padding: 120px 0 80px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: -120px; right: -120px;
      width: 480px; height: 480px;
      background: radial-gradient(circle, rgba(15,212,168,.2) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero::after {
      content: '';
      position: absolute;
      bottom: -80px; left: 10%;
      width: 320px; height: 320px;
      background: radial-gradient(circle, rgba(108,93,211,.22) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 30px;
      padding: 6px 16px;
      font-size: 12px;
      color: rgba(255,255,255,.8);
      letter-spacing: .03em;
      margin-bottom: 24px;
    }

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

    .hero h1 {
      font-size: clamp(34px, 4vw, 52px);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }

    .hero h1 .gradient-text {
      background: var(--gradient);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-sub {
      font-size: 16px;
      color: rgba(255,255,255,.65);
      line-height: 1.8;
      max-width: 520px;
      margin-bottom: 36px;
    }

    .hero-cta-row {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 44px;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: rgba(255,255,255,.85);
      border: 1px solid rgba(255,255,255,.25);
      border-radius: 10px;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 500;
      transition: all .25s;
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(15,212,168,.06);
    }

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

    .stat-pill {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 30px;
      padding: 8px 20px;
      font-size: 13px;
      color: rgba(255,255,255,.75);
    }

    .stat-pill strong {
      color: var(--primary);
      font-size: 18px;
      font-weight: 800;
      margin-right: 2px;
    }

    .hero-visual {
      position: relative;
    }

    .hero-visual::before {
      content: '';
      position: absolute;
      inset: -10px;
      background: var(--gradient);
      opacity: .18;
      border-radius: 28px;
      filter: blur(28px);
      z-index: 0;
    }

    .hero-visual img {
      position: relative;
      z-index: 1;
      width: 100%;
      height: 380px;
      object-fit: cover;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 20px 50px rgba(0,0,0,.4);
    }

    .hero-float-tag {
      position: absolute;
      bottom: 24px; left: -20px;
      z-index: 2;
      background: rgba(13,17,33,.9);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 14px;
      padding: 12px 20px;
      color: #fff;
      font-size: 13px;
      box-shadow: 0 10px 30px rgba(0,0,0,.35);
    }

    .hero-float-tag i {
      color: var(--accent);
      margin-right: 6px;
    }

    /* ===== Section common ===== */
    .section { padding: 88px 0; }

    .section-head {
      margin-bottom: 44px;
      text-align: center;
    }

    .section-head .tag-label {
      display: inline-block;
      background: rgba(15,212,168,.1);
      color: #0FA78A;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .05em;
      border-radius: 30px;
      padding: 4px 16px;
      margin-bottom: 16px;
    }

    .section-head h2 {
      font-size: clamp(26px, 3vw, 36px);
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .section-head p {
      font-size: 15px;
      color: var(--text-light);
      max-width: 560px;
      margin: 0 auto;
    }

    /* ===== Feature cards ===== */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-light);
      border: 1px solid var(--border);
      transition: box-shadow .3s, transform .3s;
    }

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

    .feature-icon {
      width: 52px; height: 52px;
      border-radius: 14px;
      background: var(--gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      margin-bottom: 20px;
    }

    .feature-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-dark);
    }

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

    /* ===== Showcase cards ===== */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .showcase-card {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-light);
      transition: box-shadow .3s, transform .3s;
    }

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

    .showcase-thumb {
      position: relative;
      overflow: hidden;
      height: 210px;
    }

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

    .showcase-card:hover .showcase-thumb img {
      transform: scale(1.05);
    }

    .showcase-badge {
      position: absolute;
      top: 14px; right: 14px;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      border-radius: 20px;
      padding: 4px 12px;
      box-shadow: 0 4px 12px rgba(255,157,92,.35);
    }

    .showcase-body {
      padding: 24px;
    }

    .showcase-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-dark);
    }

    .showcase-body p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
    }

    .showcase-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: #8A91A3;
    }

    .showcase-meta .tag {
      background: #F0F2F8;
      border-radius: 20px;
      padding: 2px 10px;
      font-size: 12px;
      color: var(--text-light);
    }

    .pagination-static {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 48px;
    }

    .pagination-static a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 12px;
      border-radius: 10px;
      background: #fff;
      border: 1px solid var(--border);
      font-size: 14px;
      color: var(--text-light);
      font-weight: 500;
      transition: all .25s;
    }

    .pagination-static a:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    .pagination-static a.active {
      background: var(--gradient);
      color: #fff;
      border-color: transparent;
    }

    /* ===== Scenario horizontal cards ===== */
    .scenario-section {
      background: var(--deep);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .scenario-section::before {
      content: '';
      position: absolute;
      top: 20%; right: -100px;
      width: 300px; height: 300px;
      background: radial-gradient(circle, rgba(108,93,211,.2), transparent 70%);
    }

    .scenario-section .section-head h2 {
      color: #fff;
    }

    .scenario-section .section-head p {
      color: rgba(255,255,255,.6);
    }

    .scenario-track {
      display: flex;
      gap: 20px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 20px;
      scrollbar-width: none;
    }

    .scenario-track::-webkit-scrollbar { display: none; }

    .scenario-item {
      flex: 0 0 280px;
      scroll-snap-align: start;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 20px;
      padding: 32px 24px;
      transition: background .3s, transform .3s;
    }

    .scenario-item:hover {
      background: rgba(255,255,255,.1);
      transform: translateY(-4px);
    }

    .scenario-item i {
      font-size: 28px;
      color: var(--primary);
      margin-bottom: 16px;
      display: block;
    }

    .scenario-item h3 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 8px;
    }

    .scenario-item p {
      font-size: 14px;
      color: rgba(255,255,255,.6);
      line-height: 1.6;
    }

    /* ===== Process ===== */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .process-step {
      position: relative;
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-light);
      text-align: center;
      transition: box-shadow .3s;
    }

    .process-step:hover {
      box-shadow: var(--shadow-hover);
    }

    .process-step .step-num {
      position: absolute;
      top: 18px; right: 22px;
      font-size: 42px;
      font-weight: 800;
      color: rgba(13,19,33,.07);
      line-height: 1;
    }

    .process-step .step-icon {
      width: 56px; height: 56px;
      border-radius: 50%;
      background: rgba(15,212,168,.12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
      margin: 0 auto 18px;
    }

    .process-step h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 14px;
      color: var(--text-light);
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: #F0F2F8;
    }

    .faq-wrap {
      max-width: 780px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border-radius: 14px;
      margin-bottom: 14px;
      border: 1px solid var(--border);
      overflow: hidden;
      transition: box-shadow .3s;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-light);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 15px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      gap: 16px;
    }

    .faq-question i {
      font-size: 14px;
      color: var(--text-light);
      transition: transform .3s;
      flex-shrink: 0;
    }

    .faq-item.open .faq-question i {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
      padding: 0 24px;
      color: var(--text-light);
      font-size: 14px;
      line-height: 1.7;
      border-top: 0 solid transparent;
    }

    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px;
      border-top-width: 1px;
      border-top-color: var(--border);
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--deep);
      padding: 100px 0;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(15,212,168,.14) 0%, rgba(108,93,211,.1) 50%, transparent 70%);
      pointer-events: none;
    }

    .cta-section h2 {
      font-size: clamp(28px, 3.4vw, 40px);
      font-weight: 800;
      color: #fff;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
      position: relative;
      z-index: 1;
    }

    .cta-section p {
      font-size: 15px;
      color: rgba(255,255,255,.65);
      margin-bottom: 36px;
      position: relative;
      z-index: 1;
    }

    .cta-section .btn-gradient {
      padding: 14px 36px;
      font-size: 16px;
      position: relative;
      z-index: 1;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0A101B;
      color: rgba(255,255,255,.7);
      padding: 72px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .footer-brand p {
      font-size: 14px;
      color: rgba(255,255,255,.5);
      margin-top: 16px;
      max-width: 360px;
      line-height: 1.7;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255,255,255,.6);
      font-size: 14px;
      transition: color .25s;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      padding: 24px 0 32px;
      font-size: 13px;
      color: rgba(255,255,255,.4);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .feature-grid { grid-template-columns: repeat(2, 1fr); }
      .process-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-grid { grid-template-columns: 1fr; gap: 48px; }
      .hero-visual img { height: 320px; }
      .showcase-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .header-search { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero { padding: 100px 0 60px; }
      .hero-stats { flex-direction: column; align-items: flex-start; }
      .hero-float-tag { left: 12px; bottom: 12px; }
      .section { padding: 64px 0; }
      .showcase-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

    @media (max-width: 520px) {
      .container-x { padding: 0 16px; }
      .feature-grid, .process-grid { grid-template-columns: 1fr; }
      .hero-cta-row { flex-direction: column; }
      .btn-gradient, .btn-outline { width: 100%; justify-content: center; }
      .hero h1 { font-size: 30px; }
    }

/* roulang page: article */
:root {
            --bg-dark: #0D1321;
            --bg-light: #F6F7FB;
            --bg-white: #FFFFFF;
            --brand-teal: #0FD4A8;
            --brand-purple: #6C5DD3;
            --accent-orange: #FF9D5C;
            --text-main: #1E2433;
            --text-sub: #5A6274;
            --line: #E5E8F0;
            --radius-lg: 22px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(13, 19, 33, .06);
            --shadow-md: 0 8px 30px rgba(13, 19, 33, .08);
            --shadow-lg: 0 16px 40px rgba(13, 19, 33, .14);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            background: rgba(13, 19, 33, .85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .site-header.scrolled {
            border-bottom-color: rgba(255, 255, 255, .08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

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

        .brand-logo {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-teal), var(--brand-purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .brand-text span {
            color: var(--brand-teal);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .nav-link {
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 20px;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(15, 212, 168, .16);
            font-weight: 600;
        }

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

        .search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .15);
            background: rgba(255, 255, 255, .05);
            color: rgba(255, 255, 255, .8);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand-teal), var(--brand-purple));
            color: #fff;
            box-shadow: 0 6px 20px rgba(15, 212, 168, .3);
        }

        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(108, 93, 211, .35);
        }

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

        .btn-sm {
            padding: 7px 18px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .35);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--brand-teal);
            color: var(--brand-teal);
            background: rgba(15, 212, 168, .08);
        }

        .menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .15);
            background: rgba(255, 255, 255, .05);
            color: #fff;
            font-size: 16px;
            align-items: center;
            justify-content: center;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            padding: 20px 0 0;
            background: var(--bg-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
        }

        .breadcrumb a {
            color: var(--text-sub);
            font-weight: 500;
        }

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

        .breadcrumb .sep {
            color: #b0b7c9;
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 600;
            max-width: 240px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Header ===== */
        .article-header {
            padding: 40px 0 36px;
            background: linear-gradient(180deg, var(--bg-light) 0%, #fff 100%);
            border-bottom: 1px solid var(--line);
        }

        .article-header .inner {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            margin-bottom: 20px;
            color: var(--text-sub);
            font-size: 13px;
        }

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

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

        .article-category-badge {
            background: linear-gradient(135deg, rgba(15, 212, 168, .12), rgba(108, 93, 211, .12));
            color: var(--brand-purple);
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
        }

        .article-header h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.02em;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .article-summary {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 700px;
        }

        /* ===== Article Body ===== */
        .article-body {
            padding: 48px 0 32px;
            background: #fff;
        }

        .article-content {
            max-width: 780px;
            margin: 0 auto;
            font-size: 15.5px;
            line-height: 1.85;
            color: #2A3142;
        }

        .article-content > * + * {
            margin-top: 1.2em;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.01em;
            line-height: 1.4;
            margin-top: 2.2em;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--line);
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 1.8em;
            line-height: 1.45;
        }

        .article-content p {
            margin-bottom: 0;
            line-height: 1.9;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.5em;
            margin-top: .8em;
            margin-bottom: .8em;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: .5em;
            line-height: 1.8;
        }

        .article-content ul li::marker {
            color: var(--brand-teal);
        }

        .article-content ol li::marker {
            color: var(--brand-purple);
            font-weight: 600;
        }

        .article-content blockquote {
            border-left: 4px solid var(--brand-teal);
            background: linear-gradient(135deg, rgba(15, 212, 168, .06), rgba(108, 93, 211, .06));
            padding: 18px 24px;
            border-radius: 0 14px 14px 0;
            font-style: normal;
            color: #3a4256;
            margin-top: 1.5em;
            margin-bottom: 1.5em;
        }

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

        .article-content pre {
            background: var(--bg-dark);
            color: #d6e2ff;
            border-radius: 14px;
            padding: 20px 24px;
            overflow-x: auto;
            font-size: 13.5px;
            line-height: 1.7;
            margin-top: 1.5em;
            margin-bottom: 1.5em;
            border: 1px solid rgba(255, 255, 255, .06);
        }

        .article-content code {
            font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
            background: rgba(108, 93, 211, .08);
            color: var(--brand-purple);
            padding: 2px 7px;
            border-radius: 6px;
            font-size: 13px;
        }

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

        .article-content img {
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            margin: 1.8em auto;
        }

        .article-content a {
            color: var(--brand-purple);
            font-weight: 500;
            border-bottom: 1px solid transparent;
        }

        .article-content a:hover {
            border-bottom-color: var(--brand-purple);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 12px;
            overflow: hidden;
            margin: 1.5em 0;
            font-size: 14px;
        }

        .article-content table th {
            background: rgba(108, 93, 211, .08);
            font-weight: 700;
            text-align: left;
            padding: 12px 16px;
            border: 1px solid var(--line);
        }

        .article-content table td {
            padding: 11px 16px;
            border: 1px solid var(--line);
        }

        .article-content table tr:hover td {
            background: #FAFBFF;
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--line);
            margin: 2.5em 0;
        }

        .not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            border: 1px dashed #D8DCE8;
        }

        .not-found i {
            font-size: 52px;
            color: #CBD2E0;
            margin-bottom: 20px;
        }

        .not-found p {
            font-size: 18px;
            color: var(--text-sub);
            margin-bottom: 24px;
            font-weight: 500;
        }

        /* ===== Article Extra (tags + pagination) ===== */
        .article-extra {
            padding: 28px 0 44px;
            background: #fff;
            border-top: 1px solid var(--line);
        }

        .article-extra .inner {
            max-width: 780px;
            margin: 0 auto;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 20px;
            background: var(--bg-light);
            border: 1px solid var(--line);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            transition: var(--transition);
        }

        .tag:hover {
            border-color: var(--brand-teal);
            color: var(--brand-purple);
            background: rgba(15, 212, 168, .06);
        }

        .tag i {
            font-size: 11px;
            color: var(--brand-teal);
        }

        .article-pagination {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--line);
        }

        .article-pagination a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 12px;
            background: var(--bg-light);
            border: 1px solid var(--line);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
        }

        .article-pagination a:hover {
            background: linear-gradient(135deg, rgba(15, 212, 168, .1), rgba(108, 93, 211, .1));
            border-color: transparent;
            color: var(--brand-purple);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .article-pagination a i {
            font-size: 13px;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 56px 0 64px;
            background: var(--bg-light);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-main);
            line-height: 1.3;
        }

        .section-header h2 span {
            color: var(--brand-purple);
        }

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

        .section-link:hover {
            gap: 10px;
            color: var(--brand-teal);
        }

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

        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

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

        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .related-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-orange);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: .02em;
            box-shadow: 0 4px 12px rgba(255, 157, 92, .4);
        }

        .related-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card .card-title {
            font-size: 15.5px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 45px;
            transition: var(--transition);
        }

        .related-card:hover .card-title {
            color: var(--brand-purple);
        }

        .related-card .card-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .related-card .card-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--line);
            font-size: 12px;
            color: var(--text-sub);
        }

        .related-card .card-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .related-card .card-meta .read-more {
            color: var(--brand-purple);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-card .card-meta .read-more:hover {
            gap: 8px;
        }

        /* ===== Contact Section ===== */
        .contact-section {
            padding: 56px 0 64px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15, 212, 168, .18), transparent 70%);
            pointer-events: none;
        }

        .contact-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 93, 211, .18), transparent 70%);
            pointer-events: none;
        }

        .contact-inner {
            position: relative;
            z-index: 1;
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }

        .contact-inner h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .contact-inner h2 span {
            background: linear-gradient(90deg, var(--brand-teal), var(--brand-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .contact-inner > p {
            color: rgba(255, 255, 255, .66);
            font-size: 15px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .contact-form {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            text-align: left;
        }

        .contact-form .full {
            grid-column: 1 / -1;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 10px;
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: rgba(255, 255, 255, .4);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--brand-teal);
            background: rgba(15, 212, 168, .08);
            box-shadow: 0 0 0 3px rgba(15, 212, 168, .12);
        }

        .contact-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .contact-form .btn {
            grid-column: 1 / -1;
            width: 100%;
            padding: 14px;
            font-size: 15px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A0F1A;
            padding: 56px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, .04);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }

        .footer-brand .brand-logo {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-teal), var(--brand-purple));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }

        .footer-brand .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .footer-brand .brand-text span {
            color: var(--brand-teal);
        }

        .footer-desc {
            color: rgba(255, 255, 255, .55);
            font-size: 13.5px;
            line-height: 1.75;
            margin-top: 6px;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--brand-teal);
            transform: translateX(4px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            color: rgba(255, 255, 255, .35);
            font-size: 13px;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

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

            .article-header h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(13, 19, 33, .96);
                backdrop-filter: blur(18px);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255, 255, 255, .08);
                z-index: 99;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-link {
                display: block;
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 10px;
            }

            .menu-toggle {
                display: flex;
            }

            .search-btn {
                display: none;
            }

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

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

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

            .article-pagination {
                flex-direction: column;
            }

            .article-pagination a {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .brand-logo {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }

            .btn-sm {
                display: none;
            }

            .article-header {
                padding: 28px 0 24px;
            }

            .article-header h1 {
                font-size: 22px;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
            }

            .article-content {
                font-size: 14.5px;
            }

            .article-content h2 {
                font-size: 20px;
            }

            .article-content h3 {
                font-size: 17px;
            }

            .contact-form {
                padding: 20px;
                grid-template-columns: 1fr;
            }

            .contact-form .full {
                grid-column: 1;
            }

            .contact-form .btn {
                grid-column: 1;
            }

            .section-header h2 {
                font-size: 21px;
            }

            .related-card .card-title {
                font-size: 14px;
            }
        }

        @media (max-width: 380px) {
            .article-header h1 {
                font-size: 20px;
            }

            .article-summary {
                font-size: 13px;
            }

            .breadcrumb .current {
                max-width: 140px;
            }
        }

/* roulang page: category2 */
:root {
            --dark: #0D1321;
            --dark-2: #161D2E;
            --surface: #F6F7FB;
            --text: #1E2433;
            --text-2: #5A6274;
            --line: #E5E8F0;
            --brand: #0FD4A8;
            --brand2: #6C5DD3;
            --accent: #FF9D5C;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-btn: 12px;
            --shadow-md: 0 8px 30px rgba(13, 19, 33, .07);
            --shadow-lg: 0 16px 40px rgba(13, 19, 33, .14);
            --font: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background: #FFFFFF;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 14px;
            outline: none;
        }
        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
        }
        .section {
            padding: 84px 0;
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-head .sec-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand2);
            background: rgba(108, 93, 211, .08);
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: .04em;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text);
        }
        .section-head p {
            color: var(--text-2);
            margin-top: 12px;
            font-size: 15px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            background: rgba(13, 17, 33, .85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: border-color .3s ease, background .3s ease;
        }
        .site-header.scrolled {
            border-bottom-color: rgba(255, 255, 255, .08);
            background: rgba(13, 17, 33, .95);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            color: #fff;
            font-size: 15px;
            box-shadow: 0 4px 14px rgba(15, 212, 168, .3);
        }
        .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-text span {
            color: var(--brand);
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .nav-link {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, .72);
            padding: 8px 16px;
            border-radius: 8px;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }
        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(15, 212, 168, .18), rgba(108, 93, 211, .18));
            box-shadow: inset 0 0 0 1px rgba(15, 212, 168, .3);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-search {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .8);
            transition: all .2s ease;
        }
        .nav-search:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }
        .nav-cta {
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            padding: 8px 18px;
            border-radius: 10px;
            transition: all .2s ease;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(108, 93, 211, .25);
        }
        .nav-cta:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(108, 93, 211, .35);
        }
        .nav-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .08);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: var(--dark);
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(13, 19, 33, .92) 30%, rgba(13, 19, 33, .55) 70%, rgba(13, 19, 33, .4));
        }
        .page-hero .hero-glow {
            position: absolute;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            filter: blur(80px);
            opacity: .25;
            background: var(--brand);
            top: -80px;
            right: 10%;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 760px;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 20px;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .7);
        }
        .hero-breadcrumb a:hover {
            color: var(--brand);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            background: rgba(15, 212, 168, .12);
            border: 1px solid rgba(15, 212, 168, .25);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .hero-content h1 {
            font-size: clamp(28px, 4.5vw, 46px);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 16px;
        }
        .hero-content h1 .gradient-text {
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-content .hero-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 620px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 36px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            box-shadow: 0 8px 24px rgba(108, 93, 211, .35);
            transition: all .25s ease;
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(108, 93, 211, .45);
        }
        .btn-primary:active {
            transform: scale(.97);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .25);
            transition: all .25s ease;
        }
        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(15, 212, 168, .06);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .stat-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            padding: 10px 18px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }
        .stat-badge .stat-num {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-badge .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
        }

        /* ===== Capability Cards ===== */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cap-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all .3s ease;
        }
        .cap-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 212, 168, .3);
        }
        .cap-card .cap-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .cap-card .cap-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .cap-card:hover .cap-img img {
            transform: scale(1.05);
        }
        .cap-card .cap-body {
            padding: 24px;
        }
        .cap-card .cap-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            margin-bottom: 14px;
            box-shadow: 0 4px 12px rgba(15, 212, 168, .25);
        }
        .cap-card h3 {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .cap-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ===== Flow Section ===== */
        .flow-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .flow-section::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(15, 212, 168, .12);
            filter: blur(80px);
        }
        .flow-section .section-head h2 {
            color: #fff;
        }
        .flow-section .section-head p {
            color: rgba(255, 255, 255, .6);
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 2;
        }
        .flow-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 20px;
            padding: 28px 22px;
            position: relative;
            transition: all .3s ease;
        }
        .flow-card:hover {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(15, 212, 168, .25);
            transform: translateY(-4px);
        }
        .flow-step {
            font-size: 13px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: .1em;
            margin-bottom: 10px;
        }
        .flow-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .flow-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.6;
        }
        .flow-card .flow-num {
            position: absolute;
            top: 18px;
            right: 18px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(255, 255, 255, .06);
            pointer-events: none;
        }

        /* ===== Scenario ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 260px;
            min-height: 220px;
            background: var(--dark);
            box-shadow: var(--shadow-md);
            transition: all .3s ease;
        }
        .scenario-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .55;
            transition: all .4s ease;
        }
        .scenario-card:hover img {
            transform: scale(1.05);
            opacity: .4;
        }
        .scenario-card .scenario-body {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
            background: linear-gradient(180deg, rgba(13, 19, 33, 0) 30%, rgba(13, 19, 33, .85) 100%);
        }
        .scenario-card .scenario-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--brand);
            background: rgba(15, 212, 168, .12);
            border: 1px solid rgba(15, 212, 168, .25);
            padding: 4px 10px;
            border-radius: 999px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 10px;
        }
        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            line-height: 1.6;
        }

        /* ===== Popular Solution ===== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-md);
            transition: all .3s ease;
        }
        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .solution-card .sol-img {
            height: 170px;
            overflow: hidden;
            position: relative;
        }
        .solution-card .sol-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .solution-card:hover .sol-img img {
            transform: scale(1.05);
        }
        .sol-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: var(--accent);
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(255, 157, 92, .4);
        }
        .sol-body {
            padding: 20px 20px 18px;
        }
        .sol-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .sol-body p {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .sol-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .sol-date {
            font-size: 12px;
            color: var(--text-2);
            background: #F0F2F8;
            padding: 4px 10px;
            border-radius: 999px;
        }
        .sol-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand2);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }
        .sol-link:hover {
            gap: 8px;
            color: var(--brand2);
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 44px;
        }
        .page-link {
            min-width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-2);
            background: #fff;
            border: 1px solid var(--line);
            transition: all .2s ease;
            padding: 0 6px;
        }
        .page-link:hover {
            border-color: var(--brand);
            color: var(--brand2);
            box-shadow: 0 4px 12px rgba(15, 212, 168, .12);
        }
        .page-link.active {
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 6px 16px rgba(108, 93, 211, .25);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #F6F7FB;
        }
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--line);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(15, 212, 168, .3);
        }
        .faq-item.active {
            border-color: rgba(15, 212, 168, .4);
            box-shadow: 0 6px 20px rgba(13, 19, 33, .06);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            gap: 16px;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #F0F2F8;
            font-size: 12px;
            color: var(--text-2);
            flex-shrink: 0;
            transition: all .3s ease;
        }
        .faq-item.active .faq-icon {
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            border-top: 1px solid var(--line);
            padding-top: 14px;
            margin-top: 2px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -150px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(15, 212, 168, .3), rgba(108, 93, 211, .3));
            filter: blur(100px);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(15, 212, 168, .15);
            filter: blur(80px);
        }
        .cta-wrap {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-left h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .cta-left h2 span {
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .cta-left p {
            color: rgba(255, 255, 255, .65);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 440px;
        }
        .cta-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-contact a {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            transition: color .2s ease;
        }
        .cta-contact a:hover {
            color: var(--brand);
        }
        .cta-contact a i {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            font-size: 12px;
        }
        .cta-form {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 20px;
            padding: 28px;
            backdrop-filter: blur(12px);
        }
        .cta-form h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cta-form .form-tip {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 18px;
        }
        .cta-form .form-group {
            margin-bottom: 14px;
        }
        .cta-form input,
        .cta-form textarea {
            width: 100%;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 10px;
            color: #fff;
            padding: 11px 14px;
            font-size: 14px;
            transition: all .25s ease;
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, .4);
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--brand);
            background: rgba(255, 255, 255, .1);
            box-shadow: 0 0 0 3px rgba(15, 212, 168, .15);
        }
        .cta-form textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-form .submit-btn {
            width: 100%;
            padding: 12px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            transition: all .25s ease;
            box-shadow: 0 6px 20px rgba(108, 93, 211, .3);
        }
        .cta-form .submit-btn:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(108, 93, 211, .4);
        }
        .cta-form .submit-btn:active {
            transform: scale(.97);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 6px;
        }
        .footer-brand .brand-text {
            font-size: 20px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            line-height: 1.7;
            margin-top: 10px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: all .2s ease;
        }
        .footer-links a:hover {
            color: var(--brand);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand), var(--brand2));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: 0 8px 24px rgba(108, 93, 211, .35);
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all .3s ease;
            z-index: 90;
        }
        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-top:hover {
            filter: brightness(1.1);
            transform: translateY(-3px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .nav-links {
                position: fixed;
                top: 64px;
                right: 0;
                width: min(300px, 80vw);
                height: calc(100vh - 64px);
                background: #0D1321;
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 24px;
                gap: 6px;
                transform: translateX(105%);
                transition: transform .3s ease;
                box-shadow: -12px 0 30px rgba(0, 0, 0, .3);
                z-index: 200;
                border-left: 1px solid rgba(255, 255, 255, .06);
            }
            .nav-links.open {
                transform: translateX(0);
            }
            .nav-link {
                width: 100%;
                padding: 12px 14px;
                font-size: 15px;
                border-radius: 10px;
                color: rgba(255, 255, 255, .8);
            }
            .nav-link:hover {
                background: rgba(255, 255, 255, .06);
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cta {
                display: none;
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .capability-grid,
            .scenario-grid,
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .section {
                padding: 60px 0;
            }
            .nav-actions .nav-search {
                display: none;
            }
            .brand-text {
                font-size: 16px;
            }
            .capability-grid,
            .scenario-grid,
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .pagination {
                flex-wrap: wrap;
            }
        }
        @media (min-width: 641px) and (max-width: 1024px) {
            .container {
                width: 94%;
            }
        }