/* roulang page: index */
:root {
  --bg-primary: #0B0F1A;
  --bg-secondary: #0E1524;
  --bg-tertiary: #0A1322;
  --accent: #00C6FF;
  --accent-secondary: #00E68C;
  --accent-gold: #FFB800;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-muted: rgba(255, 255, 255, 0.52);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);
  --radius-card: 16px;
  --radius-badge: 6px;
  --radius-pill: 999px;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.45);
  --glow-accent: 0 0 24px rgba(0, 198, 255, 0.45);
  --glow-accent-hover: 0 0 40px rgba(0, 198, 255, 0.7);
  --glow-green: 0 0 20px rgba(0, 230, 140, 0.35);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: "Inter", "Roboto", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--accent-secondary);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ========== Header / Nav ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 1000;
  background: rgba(10, 15, 26, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 300ms ease;
}

.site-header.scrolled {
  background: rgba(10, 15, 26, 0.92);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 24px;
}

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

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #0B0F1A;
  box-shadow: 0 0 16px rgba(0, 198, 255, 0.4);
}

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

.logo-text span {
  color: var(--accent);
}

.nav-search {
  flex: 1;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.nav-search input {
  width: 100%;
  height: 42px;
  padding: 0 44px 0 46px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: all var(--transition-base);
  font-family: var(--font-cn);
}

.nav-search input::placeholder {
  color: var(--text-muted);
}

.nav-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 198, 255, 0.25);
  background: rgba(255, 255, 255, 0.09);
}

.nav-search .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.nav-search .search-kbd {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: var(--font-en);
  pointer-events: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.nav-links a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition-base);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

.nav-links a:hover::after {
  width: 60%;
}

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

.nav-links a.active::after {
  width: 60%;
  background: var(--accent);
}

.nav-cta {
  flex-shrink: 0;
}

.nav-cta .btn-nav {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent), #00A3FF);
  color: #0B0F1A;
  box-shadow: 0 0 16px rgba(0, 198, 255, 0.3);
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
}

.nav-cta .btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(0, 198, 255, 0.55);
  color: #0B0F1A;
}

.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-primary);
  flex-shrink: 0;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(10, 15, 26, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 24px;
  z-index: 999;
  transform: translateY(-120%);
  transition: transform 300ms ease;
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--accent);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg .bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 15, 26, 0.96) 0%, rgba(11, 15, 26, 0.75) 50%, rgba(11, 15, 26, 0.55) 100%);
}

.hero-orbs {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: rgba(0, 198, 255, 0.35);
  top: -100px;
  right: 10%;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-2 {
  width: 350px;
  height: 350px;
  background: rgba(0, 230, 140, 0.2);
  bottom: 5%;
  left: 15%;
  animation: float 12s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 25px) scale(0.98); }
}

.hero-clip {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-clip svg {
  display: block;
  width: 100%;
  height: 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 64px;
}

.hero-left {
  flex: 1.1;
}

.hero-right {
  flex: 0.9;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 198, 255, 0.12);
  border: 1px solid rgba(0, 198, 255, 0.3);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero-tag i {
  font-size: 14px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--accent);
  text-shadow: 0 0 30px rgba(0, 198, 255, 0.5);
}

.hero h1 .highlight-green {
  color: var(--accent-secondary);
  text-shadow: 0 0 30px rgba(0, 230, 140, 0.4);
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--accent), #00A3FF);
  color: #0B0F1A;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: var(--glow-accent);
  transition: all var(--transition-base);
  font-family: var(--font-cn);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-accent-hover);
  filter: brightness(1.1);
  color: #0B0F1A;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 198, 255, 0.4);
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-cn);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(0, 198, 255, 0.15);
  transform: translateY(-2px);
  color: var(--accent);
}

.hero-trust {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.trust-item i {
  color: var(--accent-secondary);
  font-size: 16px;
}

.hero-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
  transition: transform 500ms ease;
}

.hero-visual:hover {
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
}

.hero-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 198, 255, 0.2) 0%, transparent 40%);
  pointer-events: none;
}

.visual-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  padding: 16px 20px;
  background: rgba(11, 15, 26, 0.8);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 2;
}

.visual-badge .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0B0F1A;
  font-size: 16px;
  flex-shrink: 0;
}

.visual-badge .text {
  min-width: 0;
}

.visual-badge .text strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.visual-badge .text span {
  font-size: 12px;
  color: var(--text-muted);
}

/* ========== Latest Posts (CMS) ========== */
.cms-section {
  padding: 96px 0;
  position: relative;
  background: var(--bg-primary);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  position: relative;
  padding-left: 20px;
}

.section-header h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-secondary));
  border-radius: 4px;
}

.section-header .more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.section-header .more-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  gap: 10px;
}

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

.cms-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform 300ms ease, border-color 300ms ease, box-shadow 300ms ease;
  position: relative;
  box-shadow: inset 2px 2px 6px rgba(255, 255, 255, 0.04);
}

.cms-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent);
  border-radius: 0 0 80px 0;
  pointer-events: none;
  z-index: 1;
}

.cms-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 198, 255, 0.1);
}

.cms-card-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.cms-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

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

.cms-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11, 15, 26, 0.8) 100%);
}

.cms-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
}

.cms-card-body {
  padding: 24px;
}

.cms-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.cms-card-meta .tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(255, 184, 0, 0.12);
  color: var(--accent-gold);
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 500;
}

.cms-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
}

.cms-card h3 a {
  color: var(--text-primary);
  transition: color var(--transition-base);
}

.cms-card h3 a:hover {
  color: var(--accent);
}

.cms-card-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cms-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-top: 16px;
  transition: gap 300ms ease;
}

.cms-card-link:hover {
  gap: 10px;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 60px 24px;
  text-align: center;
  background: var(--glass-bg);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-card);
}

.empty-state .empty-icon {
  font-size: 48px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ========== Core Services (asymmetric grid) ========== */
.services-section {
  padding: 96px 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.services-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 198, 255, 0.3), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 300ms ease;
  box-shadow: inset 2px 2px 6px rgba(255, 255, 255, 0.04);
}

.service-card::before {
  content: '';
  position: absolute;
  top: -40px;
  left: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 198, 255, 0.15), transparent 70%);
  opacity: 0;
  transition: opacity 300ms ease;
}

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

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.service-card-main {
  grid-column: span 2;
  grid-row: span 2;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 440px;
}

.service-card-main .service-image {
  height: 240px;
  overflow: hidden;
  position: relative;
}

.service-card-main .service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.service-card-main:hover .service-image img {
  transform: scale(1.03);
}

.service-card-main .service-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(11, 15, 26, 0.7) 100%);
}

.service-card-main .service-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(0, 198, 255, 0.12);
  padding: 4px 12px;
  border-radius: var(--radius-badge);
  margin-bottom: 16px;
  align-self: flex-start;
}

.service-card-main h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-card-main p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 520px;
}

.service-stats {
  display: flex;
  gap: 32px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-secondary);
  font-family: var(--font-en);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.service-card-small {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-card-small .service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 198, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent);
  margin-bottom: 16px;
  transition: all 300ms ease;
}

.service-card-small:hover .service-icon {
  background: rgba(0, 230, 140, 0.2);
  color: var(--accent-secondary);
  box-shadow: var(--glow-green);
}

.service-card-small h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

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

/* ========== Testimonials ========== */
.testimonials-section {
  padding: 96px 0;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.testimonials-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 198, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.section-label {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-desc {
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.8;
}

.testimonial-slider {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  padding: 48px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-card);
}

.testimonial-card .quote-mark {
  font-size: 64px;
  font-family: Georgia, serif;
  color: var(--accent);
  opacity: 0.4;
  position: absolute;
  top: 20px;
  left: 32px;
  line-height: 1;
}

.testimonial-stars {
  color: var(--accent-gold);
  font-size: 18px;
  margin-bottom: 20px;
  letter-spacing: 4px;
}

.testimonial-text {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #0B0F1A;
}

.testimonial-meta {
  text-align: left;
}

.testimonial-meta strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
}

.testimonial-meta span {
  font-size: 13px;
  color: var(--text-muted);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
  transition: all 300ms ease;
  cursor: pointer;
  border: none;
  padding: 0;
}

.dot.active {
  width: 18px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(0, 198, 255, 0.4);
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
}

.testimonial-nav button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 300ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.testimonial-nav button:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 198, 255, 0.2);
}

/* ========== Guarantee Strip ========== */
.guarantee-section {
  padding: 64px 0;
  background: var(--bg-tertiary);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 12px;
  transition: all 300ms ease;
}

.guarantee-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.guarantee-item .g-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 198, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent);
  flex-shrink: 0;
  transition: all 300ms ease;
}

.guarantee-item:hover .g-icon {
  background: rgba(0, 230, 140, 0.15);
  color: var(--accent-secondary);
  box-shadow: var(--glow-green);
}

.guarantee-item strong {
  font-size: 16px;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.guarantee-item span {
  font-size: 13px;
  color: var(--text-muted);
}

/* ========== CTA Section ========== */
.cta-section {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

.cta-bg {
  position: absolute;
  inset: 0;
}

.cta-bg::before,
.cta-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.cta-bg::before {
  width: 400px;
  height: 400px;
  background: rgba(0, 198, 255, 0.25);
  top: 50%;
  left: 50%;
  transform: translate(-150%, -50%);
}

.cta-bg::after {
  width: 300px;
  height: 300px;
  background: rgba(0, 230, 140, 0.2);
  top: 50%;
  left: 50%;
  transform: translate(50%, -30%);
}

.cta-speed-lines {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
}

.cta-content h2 .highlight {
  color: var(--accent);
  text-shadow: 0 0 30px rgba(0, 198, 255, 0.4);
}

.cta-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}

.cta-content .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 48px;
  background: linear-gradient(135deg, var(--accent), #00A3FF);
  color: #0B0F1A;
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: 0 0 40px rgba(0, 198, 255, 0.5);
  transition: all 300ms ease;
  font-family: var(--font-cn);
}

.cta-content .btn-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 0 60px rgba(0, 198, 255, 0.8);
  filter: brightness(1.1);
  color: #0B0F1A;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 96px 0;
  background: var(--bg-secondary);
}

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

.faq-item {
  margin-bottom: 16px;
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 300ms ease;
}

.faq-item.active {
  border-color: var(--accent);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  cursor: pointer;
  gap: 20px;
  font-size: 16px;
  font-weight: 600;
}

.faq-question .q-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(0, 198, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--accent);
  flex-shrink: 0;
}

.faq-question .q-arrow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: transform 300ms ease;
  color: var(--text-secondary);
}

.faq-item.active .q-arrow {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms ease, padding 300ms ease;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  padding: 0 28px 24px;
  max-height: 400px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--bg-tertiary);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer-top {
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

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

.footer-contact p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact p i {
  color: var(--accent);
  width: 16px;
  text-align: center;
}

.footer-newsletter p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-form input {
  flex: 1;
  height: 42px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 300ms ease, box-shadow 300ms ease;
  font-family: var(--font-cn);
}

.newsletter-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(0, 198, 255, 0.2);
}

.newsletter-form input::placeholder {
  color: var(--text-muted);
}

.newsletter-form button {
  height: 42px;
  padding: 0 20px;
  border-radius: 8px;
  background: var(--accent);
  color: #0B0F1A;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 300ms ease;
  font-family: var(--font-cn);
}

.newsletter-form button:hover {
  box-shadow: var(--glow-accent);
  filter: brightness(1.1);
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom .footer-domain {
  font-size: 13px;
  color: var(--text-muted);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .nav-search {
    max-width: 360px;
  }

  .nav-links a {
    padding: 8px 10px;
    font-size: 13px;
  }

  .nav-cta .btn-nav {
    padding: 8px 18px;
    font-size: 13px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-content {
    gap: 40px;
  }

  .hero-visual img {
    height: 340px;
  }

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

  .service-card-main {
    grid-column: span 2;
    grid-row: span 1;
    min-height: 380px;
  }

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

  .footer-top .row > div {
    margin-bottom: 24px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-search {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 60px;
  }

  .hero-content {
    flex-direction: column;
    gap: 32px;
  }

  .hero-left {
    flex: 1;
  }

  .hero-right {
    flex: 1;
    width: 100%;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-btns {
    gap: 12px;
  }

  .hero-trust {
    gap: 16px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

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

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

  .service-card-main {
    grid-column: span 1;
    min-height: 0;
  }

  .service-card-main .service-image {
    height: 180px;
  }

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

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

  .cta-content h2 {
    font-size: 30px;
  }

  .cta-content .btn-cta {
    padding: 16px 36px;
    font-size: 15px;
  }

  .testimonial-card {
    padding: 32px 24px;
  }

  .footer-top .row > div {
    margin-bottom: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
  }

  .footer-contact {
    margin-top: 16px;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    width: 100%;
  }

  .nav-search-mobile {
    display: block;
    margin-top: 12px;
  }

  .nav-search-mobile input {
    width: 100%;
    height: 42px;
    padding: 0 16px 0 42px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all var(--transition-base);
    font-family: var(--font-cn);
  }

  .nav-search-mobile input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 16px rgba(0, 198, 255, 0.2);
  }

  .nav-search-mobile input::placeholder {
    color: var(--text-muted);
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 30px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .hero-btns {
    flex-direction: column;
  }

  .hero-btns .btn-primary,
  .hero-btns .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .section-title {
    font-size: 28px;
  }

  .section-header h2 {
    font-size: 26px;
  }

  .service-card-main h3 {
    font-size: 20px;
  }

  .service-stats .stat-num {
    font-size: 22px;
  }

  .testimonial-text {
    font-size: 15px;
  }

  .cta-content h2 {
    font-size: 26px;
  }

  .logo-text {
    font-size: 17px;
  }

  .mobile-menu {
    padding: 16px 20px;
  }

  .mobile-menu a {
    font-size: 15px;
    padding: 12px 0;
  }
}

/* roulang page: category1 */
/* ===== Design Tokens ===== */
:root{
  --bg-primary:#0B0F1A;
  --bg-secondary:#0E1524;
  --bg-deep:#0A1322;
  --accent:#00C6FF;
  --energy:#00E68C;
  --gold:#FFB800;
  --text-main:rgba(255,255,255,0.92);
  --text-sub:rgba(255,255,255,0.72);
  --text-mute:rgba(255,255,255,0.52);
  --glass-bg:rgba(255,255,255,0.05);
  --glass-bg-2:rgba(255,255,255,0.08);
  --glass-border:rgba(255,255,255,0.12);
  --radius-card:16px;
  --radius-btn:999px;
  --radius-tag:6px;
  --radius-img:12px;
  --shadow-card:0 12px 40px rgba(0,0,0,0.45);
  --glow-cyan:0 0 24px rgba(0,198,255,0.45);
  --glow-cyan-strong:0 0 40px rgba(0,198,255,0.7);
  --glow-green:0 0 20px rgba(0,230,140,0.35);
  --ease:cubic-bezier(.4,0,.2,1);
  --header-h:72px;
  --space-lg:96px;
  --space-md:72px;
  --space-sm:48px;
}
/* ===== Reset / Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-primary);
  color:var(--text-main);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:all .3s var(--ease)}
a:hover{color:#fff}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none}
/* ===== Container ===== */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row .column{padding-left:12px;padding-right:12px}
/* ===== Typography ===== */
h1,h2,h3,h4{line-height:1.25;color:#fff;font-weight:700}
.section-pad{padding:var(--space-lg) 0}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;
  color:var(--accent);background:rgba(0,198,255,0.08);
  border:1px solid rgba(0,198,255,0.25);
  padding:4px 14px;border-radius:var(--radius-btn);
}
.section-title{
  font-size:36px;line-height:1.25;margin-top:16px;margin-bottom:16px;
  letter-spacing:-0.5px;
}
.section-title .highlight{
  background:linear-gradient(90deg,var(--accent),var(--energy));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.section-subtitle{color:var(--text-sub);font-size:16px;max-width:640px;margin-bottom:32px}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 32px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.5px;
  cursor:pointer;transition:all .3s var(--ease);
  border:none;line-height:1;white-space:nowrap;
}
.btn-cyan{
  background:var(--accent);color:#0B0F1A;
  box-shadow:var(--glow-cyan);
}
.btn-cyan:hover{box-shadow:var(--glow-cyan-strong);color:#0B0F1A;transform:translateY(-2px);filter:brightness(1.1)}
.btn-ghost{
  background:transparent;color:var(--accent);
  border:1px solid rgba(0,198,255,0.5);
}
.btn-ghost:hover{background:rgba(0,198,255,0.15);color:#fff;transform:translateY(-2px)}
.btn-green{
  background:var(--energy);color:#0B0F1A;
  box-shadow:var(--glow-green);
}
.btn-green:hover{box-shadow:0 0 36px rgba(0,230,140,0.6);color:#0B0F1A;transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 24px;font-size:14px}
.btn-lg{height:54px;padding:0 44px;font-size:16px}
/* ===== Tag / Badge ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(0,198,255,0.1);color:var(--accent);
  border:1px solid rgba(0,198,255,0.2);
  font-size:12px;font-weight:600;letter-spacing:.4px;
  padding:3px 12px;border-radius:var(--radius-btn);
}
.tag-gold{background:rgba(255,184,0,0.1);color:var(--gold);border-color:rgba(255,184,0,0.25)}
.tag-green{background:rgba(0,230,140,0.1);color:var(--energy);border-color:rgba(0,230,140,0.25)}
.badge{
  display:inline-block;background:rgba(11,15,26,0.75);color:var(--gold);
  font-size:12px;font-weight:600;padding:3px 12px;border-radius:var(--radius-btn);
  backdrop-filter:blur(8px);border:1px solid rgba(255,184,0,0.3);
}
/* ===== Glass Card ===== */
.glass-card{
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:32px;
  position:relative;
  overflow:hidden;
  transition:border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.glass-card::before{
  content:'';position:absolute;top:0;left:-40%;width:60%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.35),transparent);
  transform:rotate(-45deg);
  opacity:.6;
}
.glass-card:hover{
  border-color:rgba(0,198,255,0.45);
  transform:translateY(-4px);
  box-shadow:0 16px 48px rgba(0,0,0,0.55),0 0 24px rgba(0,198,255,0.15);
}
/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);
  background:rgba(10,15,26,0.85);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 4px 30px rgba(0,0,0,0.5);background:rgba(10,15,26,0.92)}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:var(--header-h);
}
.logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  color:#fff;font-size:18px;font-weight:700;letter-spacing:.5px;
}
.logo-icon{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--energy));
  display:flex;align-items:center;justify-content:center;
  color:#0B0F1A;font-size:16px;
  box-shadow:0 0 18px rgba(0,198,255,0.35);
}
.logo-text{font-size:18px;font-weight:700;color:#fff}
.logo-text span{color:var(--accent)}
/* Search */
.search-box{
  flex:1;max-width:460px;height:42px;
  display:flex;align-items:center;gap:10px;
  background:var(--bg-secondary);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius-btn);
  padding:0 18px;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.search-box:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(0,198,255,0.15),var(--glow-cyan);
}
.search-box i{color:var(--text-mute);font-size:14px}
.search-box input{
  flex:1;background:transparent;border:none;color:#fff;font-size:14px;
}
.search-box input::placeholder{color:var(--text-mute)}
.search-kbd{
  font-size:11px;color:var(--text-mute);
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:6px;padding:2px 8px;
  letter-spacing:.5px;white-space:nowrap;
}
/* Nav */
.nav-links{display:flex;align-items:center;gap:6px;flex-shrink:0}
.nav-links a{
  color:var(--text-sub);font-size:14px;font-weight:500;
  padding:6px 14px;border-radius:var(--radius-btn);
  position:relative;transition:all .3s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,0.05)}
.nav-links a.active{color:var(--accent);background:rgba(0,198,255,0.1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,0.05);color:#fff;font-size:18px;align-items:center;justify-content:center;cursor:pointer;border:1px solid rgba(255,255,255,0.1)}
/* Mobile Search Row */
.mobile-search-row{display:none;padding-bottom:14px}
.mobile-search-row .search-box{max-width:none}
/* ===== Page Hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--header-h) + 80px) 0 80px;
  background:var(--bg-deep);
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.25;
}
.page-hero::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 80% at 20% 30%,rgba(0,198,255,0.18),transparent),
             radial-gradient(ellipse 50% 70% at 80% 60%,rgba(0,230,140,0.12),transparent);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-mute);margin-bottom:24px;
}
.breadcrumb a{color:var(--text-mute)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(255,255,255,0.3)}
.breadcrumb .current{color:var(--text-sub)}
.hero-title{
  font-size:52px;font-weight:800;line-height:1.15;
  color:#fff;letter-spacing:-1px;max-width:720px;
  margin-bottom:20px;
}
.hero-title .highlight{
  background:linear-gradient(90deg,var(--accent),var(--energy));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 40px rgba(0,198,255,0.3);
}
.hero-subtitle{
  font-size:17px;color:var(--text-sub);max-width:560px;
  margin-bottom:36px;line-height:1.8;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-meta{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  padding-top:28px;border-top:1px solid rgba(255,255,255,0.08);
}
.hero-meta-item{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-mute);
}
.hero-meta-item i{color:var(--energy);font-size:14px}
/* ===== Category Intro ===== */
.intro-section{background:var(--bg-primary);position:relative}
.intro-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.intro-text p{color:var(--text-sub);margin-bottom:18px;font-size:15px;line-height:1.8}
.intro-text p strong{color:#fff}
.intro-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:24px;
  text-align:center;
  backdrop-filter:blur(14px);
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.stat-card:hover{border-color:rgba(0,198,255,0.4);transform:translateY(-3px)}
.stat-num{
  font-size:36px;font-weight:800;color:var(--accent);
  font-family:'Inter','Roboto',sans-serif;line-height:1.2;
  text-shadow:0 0 22px rgba(0,198,255,0.35);
}
.stat-num.green{color:var(--energy);text-shadow:0 0 22px rgba(0,230,140,0.3)}
.stat-label{font-size:13px;color:var(--text-sub);margin-top:6px}
/* ===== Featured Content ===== */
.featured-section{background:var(--bg-secondary);position:relative;overflow:hidden}
.featured-section::before{
  content:'';position:absolute;top:0;right:0;width:35%;height:100%;
  background:radial-gradient(ellipse 60% 50% at 80% 20%,rgba(0,198,255,0.1),transparent);
}
.featured-grid{
  display:grid;grid-template-columns:1.5fr 1fr;gap:24px;
  position:relative;z-index:2;
}
.feature-main-card{
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.feature-main-card:hover{
  border-color:rgba(0,198,255,0.4);
  transform:translateY(-4px);
  box-shadow:0 16px 48px rgba(0,0,0,0.5),0 0 30px rgba(0,198,255,0.12);
}
.feature-main-img{position:relative;height:260px;overflow:hidden}
.feature-main-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.feature-main-card:hover .feature-main-img img{transform:scale(1.04)}
.feature-main-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(11,15,26,0.7))}
.feature-main-body{padding:28px}
.feature-main-body h3{font-size:22px;margin:12px 0 10px;color:#fff}
.feature-main-body p{color:var(--text-sub);font-size:14px;line-height:1.75}
.feature-main-body .meta{display:flex;align-items:center;gap:14px;margin-bottom:14px;font-size:13px;color:var(--text-mute)}
.feature-main-body .link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:600;margin-top:14px}
.feature-main-body .link i{transition:transform .3s var(--ease)}
.feature-main-body .link:hover i{transform:translateX(4px)}
.feature-stack{display:flex;flex-direction:column;gap:24px}
.feature-small-card{
  flex:1;
  background:var(--glass-bg);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;gap:0;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.feature-small-card:hover{border-color:rgba(0,230,140,0.4);transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,0.45),0 0 20px rgba(0,230,140,0.1)}
.feature-small-img{width:42%;min-height:160px;overflow:hidden;flex-shrink:0}
.feature-small-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.feature-small-card:hover .feature-small-img img{transform:scale(1.06)}
.feature-small-body{padding:18px;display:flex;flex-direction:column;justify-content:center}
.feature-small-body h4{font-size:16px;color:#fff;margin:8px 0 8px;line-height:1.4}
.feature-small-body p{color:var(--text-mute);font-size:13px;line-height:1.6}
.feature-small-body .more-link{color:var(--accent);font-size:13px;font-weight:600;margin-top:10px;display:inline-flex;align-items:center;gap:4px}
/* ===== Process ===== */
.process-section{background:var(--bg-primary);position:relative}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-step{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-card);padding:32px 24px;
  position:relative;overflow:hidden;
  backdrop-filter:blur(14px);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.process-step:hover{transform:translateY(-6px);border-color:rgba(0,198,255,0.4)}
.process-step::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--energy));
  opacity:0;transition:opacity .3s var(--ease);
}
.process-step:hover::before{opacity:1}
.step-num{
  font-size:48px;font-weight:800;color:transparent;
  -webkit-text-stroke:1px rgba(0,198,255,0.5);
  font-family:'Inter','Roboto',sans-serif;
  line-height:1;display:block;margin-bottom:18px;
}
.step-icon{
  width:44px;height:44px;border-radius:12px;
  background:rgba(0,198,255,0.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:18px;
  margin-bottom:16px;
}
.process-step h3{font-size:17px;color:#fff;margin-bottom:8px}
.process-step p{color:var(--text-mute);font-size:13px;line-height:1.65}
/* ===== Scenario ===== */
.scenario-section{background:var(--bg-secondary);position:relative;overflow:hidden}
.scenario-section::after{
  content:'';position:absolute;bottom:0;left:0;width:100%;height:200px;
  background:radial-gradient(ellipse 40% 100% at 10% 100%,rgba(0,230,140,0.08),transparent);
}
.scenario-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;
}
.scenario-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  padding:28px 24px;
  backdrop-filter:blur(14px);
  transition:all .3s var(--ease);
  position:relative;overflow:hidden;
}
.scenario-card:nth-child(2){transform:translateY(20px)}
.scenario-card:nth-child(4){transform:translateY(20px)}
.scenario-card:hover{transform:translateY(-6px) scale(1.02);border-color:rgba(0,198,255,0.45)}
.scenario-card:hover:nth-child(2),
.scenario-card:hover:nth-child(4){transform:translateY(14px) scale(1.02)}
.scenario-card .scn-icon{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,rgba(0,198,255,0.2),rgba(0,230,140,0.15));
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:20px;margin-bottom:16px;
}
.scenario-card h3{font-size:17px;color:#fff;margin-bottom:8px}
.scenario-card p{color:var(--text-mute);font-size:13px;line-height:1.7}
.scenario-card .tag{position:absolute;top:18px;right:18px}
/* ===== Capability ===== */
.capability-section{background:var(--bg-primary)}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cap-item{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-card);padding:32px 24px;
  text-align:center;backdrop-filter:blur(14px);
  transition:all .3s var(--ease);
}
.cap-item:hover{border-color:rgba(0,230,140,0.4);transform:translateY(-4px)}
.cap-icon{
  width:56px;height:56px;border-radius:50%;
  background:rgba(0,198,255,0.1);
  border:1px solid rgba(0,198,255,0.25);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;color:var(--accent);font-size:22px;
  transition:all .3s var(--ease);
}
.cap-item:hover .cap-icon{
  background:rgba(0,230,140,0.12);border-color:rgba(0,230,140,0.4);color:var(--energy);
  box-shadow:0 0 20px rgba(0,230,140,0.2);
}
.cap-item h3{font-size:16px;color:#fff;margin-bottom:8px}
.cap-item p{color:var(--text-mute);font-size:13px;line-height:1.65}
/* ===== FAQ ===== */
.faq-section{background:var(--bg-secondary);position:relative}
.faq-wrap{max-width:840px;margin:0 auto;position:relative;z-index:2}
.faq-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item.open{border-color:rgba(0,198,255,0.45);box-shadow:0 0 24px rgba(0,198,255,0.08)}
.faq-question{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;cursor:pointer;
}
.faq-question .q-icon{
  width:32px;height:32px;border-radius:8px;flex-shrink:0;
  background:rgba(0,198,255,0.12);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
}
.faq-question h3{font-size:16px;color:#fff;font-weight:600;flex:1;margin:0}
.faq-question .arrow{
  width:28px;height:28px;border-radius:50%;
  background:rgba(255,255,255,0.05);color:var(--text-sub);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;flex-shrink:0;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.faq-item.open .arrow{transform:rotate(180deg);background:rgba(0,198,255,0.15);color:var(--accent)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .4s var(--ease),padding .4s var(--ease);
  padding:0 24px;
}
.faq-item.open .faq-answer{
  max-height:300px;padding:0 24px 24px 72px;
}
.faq-answer p{color:var(--text-sub);font-size:14px;line-height:1.75;margin:0}
/* ===== CTA ===== */
.cta-section{
  position:relative;overflow:hidden;
  background:var(--bg-deep);
  padding:96px 0;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 40% 60% at 25% 40%,rgba(0,198,255,0.22),transparent),
    radial-gradient(ellipse 30% 50% at 75% 65%,rgba(0,230,140,0.16),transparent),
    repeating-linear-gradient(115deg,transparent 0 30px,rgba(255,255,255,0.015) 30px 31px,transparent 31px 60px);
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto}
.cta-title{font-size:40px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:-.5px}
.cta-title .highlight{
  color:var(--accent);text-shadow:0 0 40px rgba(0,198,255,0.35);
}
.cta-subtitle{color:var(--text-sub);font-size:16px;margin-bottom:36px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* ===== Footer ===== */
.site-footer{
  background:#080C14;
  border-top:1px solid rgba(255,255,255,0.04);
  padding-top:64px;
}
.footer-top{
  padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--text-mute);font-size:14px;line-height:1.7;max-width:320px}
.footer-links h4{
  font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;
}
.footer-links ul li{margin-bottom:10px}
.footer-links ul li a{
  color:var(--text-mute);font-size:14px;
  transition:color .3s var(--ease),padding-left .3s var(--ease);
}
.footer-links ul li a:hover{color:var(--accent);padding-left:6px}
.footer-contact{padding-right:20px}
.footer-contact h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-contact p{color:var(--text-mute);font-size:14px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.footer-contact p i{color:var(--accent);width:18px;text-align:center}
.footer-newsletter p{font-size:13px;color:var(--text-mute);margin-bottom:10px}
.newsletter-form{
  display:flex;gap:8px;
  background:var(--bg-primary);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius-btn);
  padding:4px 4px 4px 16px;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.newsletter-form:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 16px rgba(0,198,255,0.15);
}
.newsletter-form input{
  flex:1;background:transparent;border:none;color:#fff;font-size:13px;min-width:0;
}
.newsletter-form input::placeholder{color:var(--text-mute)}
.newsletter-form button{
  width:38px;height:38px;border-radius:50%;
  background:var(--accent);color:#0B0F1A;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:14px;
  transition:all .3s var(--ease);
}
.newsletter-form button:hover{transform:scale(1.06);box-shadow:0 0 16px rgba(0,198,255,0.45)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0;flex-wrap:wrap;
}
.footer-bottom p{color:var(--text-mute);font-size:13px;margin:0}
.footer-domain{color:rgba(255,255,255,0.3);font-size:13px;letter-spacing:.5px}
/* ===== Responsive ===== */
@media (max-width:1024px){
  :root{--space-lg:72px;--space-md:56px;--space-sm:40px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .mobile-search-row{display:block}
  .site-header{height:auto}
  .header-inner{height:var(--header-h)}
  .header-inner .search-box{display:none}
  /* mobile nav drawer */
  .nav-links.mobile-open{
    display:flex;flex-direction:column;
    position:absolute;top:100%;left:0;right:0;
    background:rgba(10,15,26,0.97);
    backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(255,255,255,0.08);
    padding:16px 24px;gap:8px;z-index:1001;
  }
  .nav-links.mobile-open a{
    padding:12px 16px;
    border-bottom:1px solid rgba(255,255,255,0.04);
    font-size:15px;
  }
  .search-box.mobile-visible{display:flex;max-width:none;margin:0 24px 14px}
  .page-hero{padding-top:calc(var(--header-h) + 56px + 60px)}
  .hero-title{font-size:38px}
  .section-title{font-size:30px}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .featured-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-grid{grid-template-columns:repeat(2,1fr)}
  .scenario-card:nth-child(2),
  .scenario-card:nth-child(4){transform:none}
  .scenario-card:hover:nth-child(2),
  .scenario-card:hover:nth-child(4){transform:translateY(-6px)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  :root{--space-lg:56px;--space-md:44px;--space-sm:36px}
  .container{padding:0 18px}
  .hero-title{font-size:32px;line-height:1.25}
  .hero-subtitle{font-size:15px}
  .hero-actions .btn{width:100%;justify-content:center}
  .stat-card{padding:18px}
  .stat-num{font-size:30px}
  .feature-main-body{padding:20px}
  .feature-small-card{flex-direction:column}
  .feature-small-img{width:100%;height:140px}
  .process-grid{grid-template-columns:1fr 1fr;gap:16px}
  .process-step{padding:24px 18px}
  .scenario-grid{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr 1fr;gap:16px}
  .faq-question{padding:16px 18px}
  .faq-question h3{font-size:15px}
  .faq-item.open .faq-answer{padding:0 18px 18px}
  .cta-title{font-size:32px}
}
@media (max-width:640px){
  .hero-title{font-size:27px}
  .section-title{font-size:24px}
  .intro-stats{grid-template-columns:1fr 1fr;gap:12px}
  .process-grid{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
  .footer-domain{display:none}
  .page-hero{padding:calc(var(--header-h) + 36px + 44px) 0 48px}
  .hero-meta{gap:12px 18px}
}
@media (max-width:520px){
  .stat-num{font-size:26px}
  .feature-main-img{height:200px}
  .scenario-card:nth-child(2),
  .scenario-card:nth-child(4){transform:none}
}

/* roulang page: article */
:root {
  --bg: #0B0F1A;
  --bg-2: #0E1524;
  --bg-3: #0A1322;
  --accent: #00C6FF;
  --energy: #00E68C;
  --gold: #FFB800;
  --text: rgba(255,255,255,0.92);
  --text-secondary: rgba(255,255,255,0.72);
  --text-muted: rgba(255,255,255,0.52);
  --glass-bg: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.12);
  --radius-card: 16px;
  --radius-pill: 999px;
  --radius-tag: 6px;
  --shadow-card: 0 12px 40px rgba(0,0,0,0.45);
  --glow: 0 0 24px rgba(0,198,255,0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .3s ease, border-color .3s ease, background .3s ease, transform .3s ease, box-shadow .3s ease;
}

a:hover {
  color: #fff;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.article-container {
  max-width: 820px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
  border: 1px solid var(--glass-border);
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  transition: all .3s ease;
}

.section-more:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0,198,255,0.08);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  border: 1px solid rgba(0,198,255,0.6);
  color: #0B0F1A;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  padding: 14px 30px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--glow);
  transition: all .3s ease;
}

.btn-primary:hover {
  color: #0B0F1A;
  background: var(--accent);
  box-shadow: 0 0 42px rgba(0,198,255,0.7);
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,198,255,0.45);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .3s ease;
}

.btn-secondary:hover {
  background: rgba(0,198,255,0.15);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10,15,26,0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 1px 0 rgba(255,255,255,0.02);
}

.site-header.scrolled {
  background: rgba(10,15,26,0.92);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--energy) 100%);
  color: #0B0F1A;
  font-size: 18px;
  box-shadow: 0 0 16px rgba(0,198,255,0.35);
  transition: transform .3s ease;
}

.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.05);
}

.logo-text span {
  color: var(--accent);
}

.header-search {
  flex: 1;
  max-width: 440px;
  margin: 0 auto;
}

.mobile-search-row {
  display: none;
  padding: 10px 0 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0E1524;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  padding: 0 10px 0 18px;
  height: 44px;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.search-form:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,198,255,0.15), 0 0 24px rgba(0,198,255,0.2);
}

.search-form > i {
  color: var(--text-muted);
  font-size: 14px;
}

.search-form input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 14px;
  line-height: 1;
}

.search-form input::placeholder {
  color: rgba(255,255,255,0.42);
}

.search-form input::-webkit-search-cancel-button {
  display: none;
}

.search-kbd {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 5px;
  padding: 3px 7px;
  white-space: nowrap;
}

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

.nav-links a {
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  position: relative;
  transition: color .3s ease, background .3s ease;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.06);
}

.nav-links a.active {
  color: var(--accent);
  background: rgba(0,198,255,0.12);
}

.header-cta {
  margin-left: 8px;
  flex-shrink: 0;
  padding: 11px 22px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 210;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle.is-open .icon-open {
  display: none;
}

.menu-toggle.is-open .icon-close {
  display: inline;
}

.article-banner {
  position: relative;
  padding: 64px 0 56px;
  background: linear-gradient(145deg, rgba(11,15,26,0.88) 0%, rgba(10,19,34,0.92) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}

.article-banner::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(0,198,255,0.25), transparent 70%);
  pointer-events: none;
}

.breadcrumb {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.65);
  transition: color .3s ease;
}

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

.breadcrumb-divider {
  color: rgba(255,255,255,0.3);
}

.breadcrumb-current {
  color: rgba(255,255,255,0.75);
}

.article-title {
  position: relative;
  z-index: 1;
  max-width: 820px;
  font-size: 42px;
  line-height: 1.25;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.article-meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
  font-size: 14px;
  color: rgba(255,255,255,0.58);
}

.meta-item i {
  color: var(--accent);
  margin-right: 7px;
}

.article-main {
  padding: 56px 0 32px;
}

.article-body {
  font-size: 16.5px;
  line-height: 1.95;
  color: rgba(255,255,255,0.86);
}

.article-body > p {
  margin-bottom: 26px;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: #fff;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.article-body h2 {
  font-size: 28px;
  line-height: 1.35;
  margin: 48px 0 18px;
  padding-top: 12px;
  position: relative;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-right: 12px;
  vertical-align: middle;
}

.article-body h3 {
  font-size: 22px;
  line-height: 1.4;
  margin: 36px 0 14px;
}

.article-body a {
  border-bottom: 1px solid rgba(0,198,255,0.35);
}

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

.article-body ul,
.article-body ol {
  margin: 20px 0 26px;
  padding-left: 28px;
}

.article-body li {
  margin-bottom: 10px;
}

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

.article-body blockquote {
  margin: 28px 0 32px;
  padding: 22px 24px;
  background: rgba(0,198,255,0.06);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  color: rgba(255,255,255,0.7);
}

.article-body img {
  border-radius: 12px;
  margin: 28px 0 32px;
  box-shadow: var(--shadow-card);
}

.article-body figure {
  margin: 28px 0 32px;
}

.article-body figcaption {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 10px;
}

.article-body pre {
  background: #0A1322;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 20px 22px;
  overflow-x: auto;
  margin: 24px 0 32px;
  line-height: 1.6;
  font-size: 14px;
}

.article-body pre code {
  background: transparent;
  padding: 0;
  color: #BDE5FF;
}

.article-body code {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--accent);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 32px;
  font-size: 15px;
}

.article-body th,
.article-body td {
  border: 1px solid rgba(255,255,255,0.1);
  padding: 12px 16px;
  text-align: left;
}

.article-body th {
  background: rgba(255,255,255,0.06);
  color: #fff;
  font-weight: 600;
}

.article-body tr:nth-child(even) td {
  background: rgba(255,255,255,0.02);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.68);
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 999px;
  transition: all .3s ease;
}

.tag-pill:hover {
  color: var(--accent);
  border-color: rgba(0,198,255,0.55);
  background: rgba(0,198,255,0.08);
}

.not-found {
  text-align: center;
  padding: 70px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.14);
  border-radius: 22px;
}

.not-found-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  font-size: 30px;
  color: var(--accent);
  border: 1px solid rgba(0,198,255,0.4);
  border-radius: 50%;
  background: rgba(0,198,255,0.08);
  box-shadow: 0 0 30px rgba(0,198,255,0.12);
}

.not-found h2 {
  font-size: 26px;
  color: #fff;
  margin-bottom: 12px;
}

.not-found p {
  color: rgba(255,255,255,0.62);
  margin-bottom: 28px;
}

.post-nav-section {
  margin-top: 52px;
}

.post-nav {
  display: flex;
  gap: 20px;
}

.post-nav-col {
  flex: 1;
  min-width: 0;
}

.post-nav-col:empty {
  display: none;
}

.post-nav-col:first-child:empty + .post-nav-col:last-child {
  margin-left: auto;
  text-align: right;
}

.post-nav-link {
  position: relative;
  display: block;
  padding: 24px 26px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  transition: all .3s ease;
  height: 100%;
  overflow: hidden;
}

.post-nav-link::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
  pointer-events: none;
}

.post-nav-link:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0,198,255,0.18), 0 12px 30px rgba(0,0,0,0.35);
  background: rgba(0,198,255,0.05);
}

.post-nav-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
}

.post-nav-link strong {
  display: block;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.related-section {
  padding-top: 64px;
}

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

.related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  overflow: hidden;
  color: inherit;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.related-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
  border-radius: 16px 0 0 0;
  pointer-events: none;
  z-index: 2;
}

.related-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(0,198,255,0.22), 0 14px 36px rgba(0,0,0,0.35);
  color: inherit;
}

.related-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #0E1524, #0A1322);
}

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

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

.related-card-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(11,15,26,0.82);
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,184,0,0.35);
  backdrop-filter: blur(6px);
}

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

.related-card-body h3 {
  font-size: 17px;
  line-height: 1.45;
  color: #fff;
  font-weight: 600;
  margin: 0 0 10px;
}

.related-card-body p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cta-section {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(520px 260px at 12% 22%, rgba(0,198,255,0.25), transparent 70%),
              radial-gradient(460px 240px at 88% 78%, rgba(0,230,140,0.2), transparent 70%);
  pointer-events: none;
}

.cta-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: center;
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  padding: 52px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.35);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.cta-grid::before {
  content: "";
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,198,255,0.7), transparent);
  z-index: 1;
}

.cta-grid::after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.4), rgba(255,255,255,0));
  pointer-events: none;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--energy);
  background: rgba(0,230,140,0.1);
  border: 1px solid rgba(0,230,140,0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.cta-content h2 {
  font-size: 36px;
  line-height: 1.3;
  color: #fff;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.cta-content h2 span {
  color: var(--accent);
}

.cta-content p {
  color: rgba(255,255,255,0.65);
  max-width: 480px;
  margin-bottom: 30px;
}

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

.cta-visual img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 18px 44px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
}

.site-footer {
  background: #060A12;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 64px;
}

.footer-top {
  padding-bottom: 40px;
}

.footer-top .row {
  max-width: 1280px;
}

.footer-brand .logo {
  font-size: 20px;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  margin-top: 18px;
  line-height: 1.8;
  max-width: 360px;
}

.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

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

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

.footer-links a {
  color: rgba(255,255,255,0.52);
  font-size: 14px;
  transition: color .3s ease;
}

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

.footer-contact p {
  color: rgba(255,255,255,0.52);
  font-size: 14px;
  margin-bottom: 10px;
}

.footer-contact p i {
  color: var(--accent);
  margin-right: 8px;
  width: 16px;
}

.footer-newsletter p {
  font-size: 13px;
  color: rgba(255,255,255,0.48);
  margin-bottom: 12px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 0;
  height: 42px;
  background: #0E1524;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  padding: 0 16px;
  color: #fff;
  font-size: 13px;
  outline: none;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.newsletter-form input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,198,255,0.12);
}

.newsletter-form button {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent);
  color: #0B0F1A;
  border: none;
  font-size: 14px;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 0 16px rgba(0,198,255,0.35);
  transition: all .3s ease;
}

.newsletter-form button:hover {
  box-shadow: 0 0 26px rgba(0,198,255,0.6);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-bottom p {
  color: rgba(255,255,255,0.42);
  font-size: 13px;
  margin: 0;
}

.footer-domain {
  color: rgba(255,255,255,0.3);
  font-size: 13px;
}

@media (max-width: 1024.98px) {
  .header-inner {
    height: 64px;
    gap: 14px;
  }

  .header-search {
    display: none;
  }

  .mobile-search-row {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    height: 100dvh;
    background: rgba(7,10,18,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 80px 22px 22px;
    transition: right .35s ease;
    z-index: 205;
    box-shadow: -16px 0 40px rgba(0,0,0,0.5);
    border-left: 1px solid rgba(255,255,255,0.08);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    display: block;
    font-size: 16px;
    padding: 14px 18px;
    border-radius: 12px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

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

  .cta-grid {
    padding: 42px 32px;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .article-banner {
    padding: 48px 0 40px;
  }

  .article-title {
    font-size: 30px;
  }

  .article-meta {
    gap: 14px;
  }

  .article-main {
    padding: 40px 0 24px;
  }

  .article-body {
    font-size: 16px;
  }

  .article-body h2 {
    font-size: 24px;
  }

  .article-body h3 {
    font-size: 20px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  .cta-grid {
    grid-template-columns: 1fr;
    padding: 36px 28px;
  }

  .cta-content h2 {
    font-size: 30px;
  }

  .post-nav {
    flex-direction: column;
  }

  .post-nav-col:first-child:empty + .post-nav-col:last-child {
    margin-left: 0;
    text-align: left;
  }

  .post-nav-col:last-child .post-nav-label {
    justify-content: flex-end;
  }

  .cta-visual {
    margin-top: 4px;
  }
}

@media (max-width: 640px) {
  .logo-text {
    font-size: 18px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 16px;
    border-radius: 10px;
  }

  .search-form {
    height: 40px;
  }

  .article-title {
    font-size: 26px;
  }

  .article-container {
    padding: 0 18px;
  }

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

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

  .footer-contact {
    margin-top: 24px;
  }
}

@media (max-width: 520px) {
  .btn-primary,
  .btn-secondary {
    padding: 12px 20px;
    font-size: 14px;
  }

  .btn-lg {
    padding: 14px 26px;
  }

  .section-title {
    font-size: 26px;
  }

  .cta-grid {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .cta-content h2 {
    font-size: 26px;
  }

  .article-meta {
    font-size: 13px;
    gap: 12px;
  }

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

  .post-nav-link {
    padding: 18px 20px;
  }

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

/* roulang page: category2 */
:root {
      --bg: #0B0F1A;
      --bg-2: #0E1524;
      --bg-3: #0A1322;
      --panel: rgba(255, 255, 255, 0.05);
      --panel-strong: rgba(255, 255, 255, 0.08);
      --stroke: rgba(255, 255, 255, 0.12);
      --primary: #00C6FF;
      --energy: #00E68C;
      --gold: #FFB800;
      --text: #F2F7FF;
      --text-2: rgba(255, 255, 255, 0.72);
      --text-3: rgba(255, 255, 255, 0.52);
      --radius-card: 16px;
      --radius-btn: 999px;
      --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
      --glow: 0 0 24px rgba(0, 198, 255, 0.45);
      --header-h: 72px;
      --space: 96px;
    }

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

    html, body {
      margin: 0;
      padding: 0;
    }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.3s ease;
    }

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

    ul, ol {
      padding-left: 1.2em;
    }

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

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

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 30px;
      border-radius: var(--radius-btn);
      font-size: 16px;
      font-weight: 600;
      line-height: 1;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.3s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #0B0F1A;
      box-shadow: var(--glow);
    }

    .btn-primary:hover {
      box-shadow: 0 0 40px rgba(0, 198, 255, 0.7);
      transform: translateY(-2px);
      filter: brightness(1.1);
      color: #0B0F1A;
    }

    .btn-secondary {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-secondary:hover {
      background: rgba(0, 198, 255, 0.15);
      color: var(--primary);
      transform: translateY(-2px);
    }

    .btn-super {
      background: var(--primary);
      color: #0B0F1A;
      height: 56px;
      padding: 0 44px;
      font-size: 18px;
      box-shadow: 0 0 36px rgba(0, 198, 255, 0.6), 0 0 80px rgba(0, 198, 255, 0.25);
    }

    .btn-super:hover {
      box-shadow: 0 0 50px rgba(0, 198, 255, 0.85), 0 0 100px rgba(0, 198, 255, 0.35);
      transform: translateY(-3px);
      filter: brightness(1.12);
      color: #0B0F1A;
    }

    .btn-sm {
      height: 40px;
      padding: 0 22px;
      font-size: 14px;
    }

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(10, 15, 26, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: background 0.3s ease, box-shadow 0.3s ease;
    }

    .site-header.scrolled {
      background: rgba(10, 15, 26, 0.92);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      height: var(--header-h);
      flex-wrap: nowrap;
    }

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

    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(0, 198, 255, 0.25), rgba(0, 230, 140, 0.15));
      border: 1px solid rgba(0, 198, 255, 0.45);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      box-shadow: 0 0 18px rgba(0, 198, 255, 0.2);
    }

    .logo-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      letter-spacing: 0.5px;
    }

    .logo-text span {
      color: var(--primary);
    }

    .search-wrap {
      flex: 1;
      max-width: 480px;
      display: flex;
      justify-content: center;
    }

    .search-box {
      position: relative;
      width: 100%;
      display: flex;
      align-items: center;
    }

    .search-box > i {
      position: absolute;
      left: 18px;
      color: var(--text-3);
      font-size: 15px;
      pointer-events: none;
    }

    .search-box input {
      width: 100%;
      height: 44px;
      border-radius: var(--radius-btn);
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.06);
      color: var(--text);
      padding: 0 58px 0 46px;
      font-size: 14px;
      outline: none;
      transition: all 0.3s ease;
    }

    .search-box input::placeholder {
      color: var(--text-3);
    }

    .search-box input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.18), var(--glow);
    }

    .search-kbd {
      position: absolute;
      right: 14px;
      font-size: 12px;
      color: var(--text-3);
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 6px;
      padding: 3px 8px;
      pointer-events: none;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 26px;
      flex-shrink: 0;
    }

    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-2);
      position: relative;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transition: width 0.3s ease;
    }

    .nav-links a:hover {
      color: var(--text);
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-links a.active {
      color: var(--primary);
    }

    .nav-links a.active::after {
      width: 100%;
    }

    .header-cta {
      flex-shrink: 0;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.06);
      color: var(--text);
      font-size: 18px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }

    .header-search-mobile {
      display: none;
      padding: 0 24px 14px;
    }

    .mobile-nav {
      display: none;
      position: fixed;
      top: 0;
      right: -320px;
      width: 300px;
      height: 100vh;
      background: rgba(10, 15, 26, 0.98);
      border-left: 1px solid rgba(255, 255, 255, 0.1);
      z-index: 200;
      padding: 90px 28px 30px;
      box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
      transition: right 0.35s ease;
    }

    .mobile-nav.open {
      right: 0;
    }

    .mobile-nav a {
      display: block;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 17px;
      font-weight: 500;
      color: var(--text-2);
    }

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

    .mobile-nav .btn {
      margin-top: 24px;
      width: 100%;
    }

    .mobile-nav-close {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.06);
      color: var(--text);
      font-size: 16px;
      cursor: pointer;
    }

    .nav-mask {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.55);
      z-index: 150;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .nav-mask.show {
      display: block;
      opacity: 1;
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      min-height: 86vh;
      display: flex;
      align-items: center;
      padding: 120px 0 80px;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      z-index: 0;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      z-index: 1;
      background: linear-gradient(100deg, rgba(11, 15, 26, 0.92) 20%, rgba(11, 15, 26, 0.65) 55%, rgba(11, 15, 26, 0.45) 100%);
    }

    .hero::before {
      content: "";
      position: absolute;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 198, 255, 0.22), transparent 70%);
      top: 10%;
      right: 8%;
      z-index: 1;
      pointer-events: none;
    }

    .hero::after {
      content: "";
      position: absolute;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 230, 140, 0.16), transparent 70%);
      bottom: 5%;
      left: 15%;
      z-index: 1;
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      width: 100%;
    }

    .breadcrumb {
      font-size: 13px;
      color: var(--text-3);
      margin-bottom: 28px;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .breadcrumb a {
      color: var(--text-3);
    }

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

    .breadcrumb .sep {
      color: var(--text-3);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 34px;
      padding: 0 16px;
      border-radius: var(--radius-btn);
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(0, 198, 255, 0.35);
      color: var(--primary);
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 20px;
      letter-spacing: 0.3px;
    }

    .hero-content h1 {
      font-size: 56px;
      line-height: 1.15;
      font-weight: 800;
      margin: 0 0 18px;
      color: var(--text);
    }

    .hero-lead {
      font-size: 20px;
      line-height: 1.6;
      color: var(--text);
      margin: 0 0 14px;
      font-weight: 500;
    }

    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-2);
      max-width: 540px;
      margin: 0 0 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 34px;
    }

    .hero-trust {
      display: flex;
      flex-wrap: wrap;
      gap: 20px 30px;
    }

    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-2);
    }

    .trust-item i {
      color: var(--energy);
      font-size: 15px;
    }

    .hero-panel {
      padding: 36px;
      position: relative;
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      top: -60px;
      right: -60px;
      width: 140px;
      height: 140px;
      background: radial-gradient(circle, rgba(0, 198, 255, 0.3), transparent 70%);
      pointer-events: none;
    }

    .countdown-label {
      font-size: 13px;
      color: var(--text-3);
      letter-spacing: 2px;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-bottom: 20px;
    }

    .countdown-cell {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 14px;
      text-align: center;
      padding: 16px 8px;
    }

    .countdown-cell .num {
      font-family: "Inter", "Roboto", "PingFang SC", sans-serif;
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
    }

    .countdown-cell .unit {
      font-size: 12px;
      color: var(--text-3);
      margin-top: 4px;
    }

    .countdown-event {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(0, 230, 140, 0.1);
      border: 1px solid rgba(0, 230, 140, 0.3);
      color: var(--energy);
      font-size: 14px;
      font-weight: 500;
    }

    .countdown-event i {
      font-size: 13px;
    }

    /* ===== Glass Card ===== */
    .glass-card {
      background: var(--panel);
      border: 1px solid var(--stroke);
      border-radius: var(--radius-card);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.12);
      position: relative;
    }

    .glass-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 90px;
      height: 90px;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 70%);
      border-radius: var(--radius-card) 0 0 0;
      pointer-events: none;
    }

    /* ===== Section ===== */
    .section {
      padding: var(--space) 0;
    }

    .section-alt {
      background: linear-gradient(180deg, var(--bg-3), var(--bg-2));
    }

    .section-head {
      max-width: 720px;
      margin: 0 auto 56px;
      text-align: center;
    }

    .section-label {
      font-size: 13px;
      color: var(--primary);
      letter-spacing: 3px;
      font-weight: 500;
      margin-bottom: 12px;
      display: block;
    }

    .section-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 700;
      margin: 0 0 16px;
      color: var(--text);
    }

    .section-sub {
      font-size: 16px;
      color: var(--text-2);
      margin: 0;
    }

    /* ===== Feature ===== */
    .feature-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .feature-main {
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .feature-main img {
      width: 100%;
      height: 260px;
      object-fit: cover;
      border-radius: 16px 16px 0 0;
    }

    .feature-body {
      padding: 32px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      height: 28px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: var(--text-2);
      font-size: 12px;
      font-weight: 500;
      align-self: flex-start;
      margin-bottom: 12px;
    }

    .badge.gold {
      background: rgba(255, 184, 0, 0.1);
      border-color: rgba(255, 184, 0, 0.3);
      color: var(--gold);
    }

    .feature-body h3 {
      font-size: 25px;
      font-weight: 600;
      margin: 0 0 10px;
    }

    .feature-body p {
      color: var(--text-2);
      margin: 0 0 18px;
      line-height: 1.8;
    }

    .feature-list {
      list-style: none;
      padding: 0;
      margin: 0 0 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px 20px;
    }

    .feature-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-2);
      font-size: 14px;
    }

    .feature-list li i {
      color: var(--energy);
      font-size: 13px;
      width: 18px;
      text-align: center;
    }

    .right-stack {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .feature-mini {
      padding: 28px;
      flex: 1;
      transition: all 0.3s ease;
    }

    .feature-mini:hover {
      border-color: rgba(0, 198, 255, 0.5);
      transform: translateY(-4px);
    }

    .mini-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(0, 198, 255, 0.12);
      border: 1px solid rgba(0, 198, 255, 0.28);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      margin-bottom: 16px;
    }

    .feature-mini h3 {
      font-size: 18px;
      font-weight: 600;
      margin: 0 0 6px;
    }

    .feature-mini p {
      font-size: 14px;
      color: var(--text-2);
      margin: 0;
    }

    .gold-num {
      display: block;
      font-family: "Inter", "Roboto", sans-serif;
      font-size: 28px;
      font-weight: 700;
      color: var(--gold);
      margin-bottom: 6px;
      line-height: 1.2;
    }

    .feature-strip {
      margin-top: 24px;
      padding: 24px 32px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .strip-item {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--text-2);
      font-size: 15px;
      font-weight: 500;
    }

    .strip-item i {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background: rgba(0, 198, 255, 0.1);
      border: 1px solid rgba(0, 198, 255, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 14px;
      flex-shrink: 0;
    }

    /* ===== Scenario ===== */
    .scenario-scroll {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 18px;
      overflow-x: auto;
      padding-bottom: 12px;
      scrollbar-width: thin;
      scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
    }

    .scenario-scroll::-webkit-scrollbar {
      height: 6px;
    }

    .scenario-scroll::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.2);
      border-radius: 6px;
    }

    .scenario-card {
      border-radius: var(--radius-card);
      overflow: hidden;
      background: var(--panel);
      border: 1px solid var(--stroke);
      min-width: 240px;
      transition: all 0.3s ease;
    }

    .scenario-card:hover {
      transform: translateY(-6px);
      border-color: rgba(0, 198, 255, 0.45);
      box-shadow: var(--shadow), 0 0 30px rgba(0, 198, 255, 0.12);
    }

    .scenario-card .img-wrap {
      height: 140px;
      overflow: hidden;
      position: relative;
    }

    .scenario-card .img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .scenario-card:hover .img-wrap img {
      transform: scale(1.06);
    }

    .scenario-card .scenario-body {
      padding: 20px;
    }

    .scenario-tag {
      font-size: 12px;
      color: var(--gold);
      background: rgba(255, 184, 0, 0.08);
      border: 1px solid rgba(255, 184, 0, 0.2);
      border-radius: 6px;
      padding: 3px 8px;
      margin-bottom: 10px;
      display: inline-block;
    }

    .scenario-card h3 {
      font-size: 17px;
      font-weight: 600;
      margin: 0 0 8px;
    }

    .scenario-card p {
      font-size: 13px;
      color: var(--text-2);
      margin: 0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* ===== Steps ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: step;
    }

    .step-card {
      padding: 32px 28px;
      position: relative;
      transition: all 0.3s ease;
    }

    .step-card:hover {
      border-color: rgba(0, 198, 255, 0.45);
      transform: translateY(-4px);
    }

    .step-num {
      font-family: "Inter", "Roboto", sans-serif;
      font-size: 40px;
      font-weight: 700;
      color: var(--primary);
      opacity: 0.7;
      line-height: 1;
      margin-bottom: 18px;
      display: block;
    }

    .step-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: rgba(0, 230, 140, 0.1);
      border: 1px solid rgba(0, 230, 140, 0.28);
      color: var(--energy);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 18px;
      font-weight: 600;
      margin: 0 0 8px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-2);
      margin: 0;
      line-height: 1.7;
    }

    /* ===== Stats ===== */
    .stats-band {
      background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      padding: 72px 0;
    }

    .stat-card {
      text-align: center;
      padding: 24px 16px;
    }

    .stat-num {
      font-family: "Inter", "Roboto", sans-serif;
      font-size: 42px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.2;
      display: block;
    }

    .stat-num span {
      color: var(--primary);
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-2);
      margin-top: 8px;
      display: block;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      border-radius: var(--radius-card);
      background: var(--panel);
      border: 1px solid var(--stroke);
      overflow: hidden;
      transition: border-color 0.3s ease;
    }

    .faq-item[open] {
      border-color: rgba(0, 198, 255, 0.5);
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 22px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      font-size: 16px;
      font-weight: 500;
      color: var(--text);
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.04);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      color: var(--text-2);
      transition: all 0.3s ease;
      flex-shrink: 0;
    }

    .faq-item[open] summary .faq-icon {
      transform: rotate(180deg);
      border-color: var(--primary);
      color: var(--primary);
    }

    .faq-item .faq-body {
      padding: 0 28px 24px;
      color: var(--text-2);
      line-height: 1.75;
      font-size: 15px;
    }

    /* ===== Link Cards ===== */
    .link-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .link-card {
      padding: 30px;
      display: flex;
      gap: 18px;
      align-items: flex-start;
      transition: all 0.3s ease;
    }

    .link-card:hover {
      border-color: rgba(0, 198, 255, 0.45);
      transform: translateY(-4px);
      box-shadow: var(--shadow), 0 0 24px rgba(0, 198, 255, 0.1);
    }

    .link-card .link-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: rgba(0, 198, 255, 0.1);
      border: 1px solid rgba(0, 198, 255, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      flex-shrink: 0;
    }

    .link-card h3 {
      font-size: 18px;
      font-weight: 600;
      margin: 0 0 6px;
    }

    .link-card p {
      font-size: 14px;
      color: var(--text-2);
      margin: 0 0 12px;
      line-height: 1.7;
    }

    .link-card .link-go {
      font-size: 14px;
      font-weight: 500;
      color: var(--primary);
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      padding: 110px 0;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 198, 255, 0.2), transparent 70%);
      top: -120px;
      left: 10%;
      z-index: 0;
      pointer-events: none;
    }

    .cta-section::after {
      content: "";
      position: absolute;
      width: 380px;
      height: 380px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 230, 140, 0.14), transparent 70%);
      bottom: -80px;
      right: 8%;
      z-index: 0;
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      max-width: 720px;
      margin: 0 auto;
      text-align: center;
    }

    .cta-inner h2 {
      font-size: 42px;
      font-weight: 700;
      margin: 0 0 18px;
      line-height: 1.25;
    }

    .cta-inner p {
      color: var(--text-2);
      font-size: 17px;
      margin: 0 0 36px;
    }

    .cta-form {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--stroke);
      border-radius: 24px;
      padding: 32px;
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      text-align: left;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 16px;
    }

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

    .form-input {
      width: 100%;
      height: 48px;
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: #0E1524;
      color: var(--text);
      padding: 0 16px;
      outline: none;
      font-size: 15px;
      transition: all 0.3s ease;
    }

    .form-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.15);
    }

    .form-input::placeholder {
      color: var(--text-3);
    }

    select.form-input {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.6)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      cursor: pointer;
    }

    .form-note {
      font-size: 13px;
      color: var(--text-3);
      margin-top: 14px;
      text-align: center;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #080D17;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 72px 0 0;
    }

    .footer-top {
      padding-bottom: 48px;
    }

    .footer-brand p {
      color: var(--text-2);
      font-size: 15px;
      margin: 16px 0 0;
      max-width: 340px;
      line-height: 1.8;
    }

    .footer-links h4,
    .footer-contact h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 16px;
    }

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

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a {
      font-size: 15px;
      color: var(--text-2);
    }

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

    .footer-contact p {
      font-size: 15px;
      color: var(--text-2);
      margin: 0 0 10px;
    }

    .footer-contact p i {
      color: var(--primary);
      margin-right: 8px;
      width: 16px;
    }

    .footer-newsletter p {
      font-size: 14px;
      color: var(--text-3);
      margin: 0 0 10px;
    }

    .newsletter-form {
      display: flex;
      gap: 8px;
    }

    .newsletter-form input {
      flex: 1;
      height: 42px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.05);
      color: var(--text);
      padding: 0 18px;
      font-size: 14px;
      outline: none;
      transition: all 0.3s ease;
    }

    .newsletter-form input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.15);
    }

    .newsletter-form button {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      border: none;
      background: var(--primary);
      color: #0B0F1A;
      font-size: 15px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
      box-shadow: 0 0 18px rgba(0, 198, 255, 0.35);
    }

    .newsletter-form button:hover {
      box-shadow: 0 0 30px rgba(0, 198, 255, 0.6);
      transform: translateY(-2px);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom p {
      margin: 0;
      font-size: 14px;
      color: var(--text-3);
    }

    .footer-domain {
      font-size: 13px;
      color: var(--text-3);
      font-family: "Inter", "Roboto", sans-serif;
      letter-spacing: 0.5px;
    }

    /* ===== Reveal ===== */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: none;
    }

    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
      :root {
        --space: 72px;
      }

      .nav-links, .header-cta {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .header-search-mobile {
        display: block;
      }

      .header-inner {
        height: 64px;
      }

      .search-wrap {
        display: none;
      }

      .hero {
        padding: 100px 0 64px;
      }

      .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

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

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

      .scenario-scroll {
        grid-template-columns: repeat(5, 260px);
      }

      .link-cards {
        grid-template-columns: 1fr 1fr;
      }

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

    @media screen and (max-width: 768px) {
      :root {
        --space: 56px;
      }

      .container {
        padding: 0 18px;
      }

      .hero-content h1 {
        font-size: 42px;
      }

      .hero-lead {
        font-size: 18px;
      }

      .section-title {
        font-size: 30px;
      }

      .btn {
        height: 44px;
        padding: 0 24px;
      }

      .btn-super {
        height: 52px;
        padding: 0 36px;
        font-size: 16px;
      }

      .hero-panel {
        padding: 26px;
      }

      .countdown-cell .num {
        font-size: 26px;
      }

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

      .link-cards {
        grid-template-columns: 1fr;
      }

      .feature-list {
        grid-template-columns: 1fr;
      }

      .cta-form {
        padding: 24px;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

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

    @media screen and (max-width: 520px) {
      .hero-content h1 {
        font-size: 34px;
      }

      .hero-lead {
        font-size: 16px;
      }

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

      .hero-actions {
        flex-direction: column;
      }

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

      .countdown-grid {
        gap: 8px;
      }

      .countdown-cell {
        padding: 12px 4px;
      }

      .countdown-cell .num {
        font-size: 22px;
      }

      .feature-strip {
        grid-template-columns: 1fr 1fr;
        padding: 20px;
      }

      .strip-item {
        font-size: 14px;
      }

      .section-title {
        font-size: 26px;
      }
    }