/* roulang page: index */
:root {
  --primary: #1B6DF7;
  --accent: #2DE2C6;
  --warning-light: #F5B544;
  --bg-0: #060B18;
  --bg-1: #0B1328;
  --bg-2: #111B36;
  --glass-bg: rgba(255,255,255,0.055);
  --glass-border: rgba(255,255,255,0.14);
  --glass-hover: rgba(255,255,255,0.09);
  --text-1: #F0F6FF;
  --text-2: #A9BEDF;
  --text-3: #6F87AD;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 40px rgba(0,0,0,0.35);
  --shadow-hover: 0 0 0 1px rgba(45,226,198,0.25), 0 20px 50px rgba(0,0,0,0.5);
  --shadow-btn: 0 6px 28px rgba(27,109,247,0.4), 0 0 18px rgba(45,226,198,0.2);
  --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "DIN Alternate", sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.8;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  cursor: pointer;
}
h1, h2, h3, h4, h5 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-1);
}
p {
  color: var(--text-2);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.grid-container {
  max-width: 1200px;
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
  margin-bottom: 12px;
}
.section-head h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto;
}
.section-head.left {
  text-align: left;
}
.section-head.left h2::after {
  left: 0;
  transform: none;
}
.section-head.left p {
  margin: 0;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-btn);
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(27,109,247,0.55), 0 0 24px rgba(45,226,198,0.3);
  color: #fff;
}
.btn-primary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-primary.btn-lg {
  height: 54px;
  padding: 0 38px;
  font-size: 17px;
  border-radius: 12px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-1);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
  transition: all var(--transition);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: #fff;
  background: rgba(45,226,198,0.08);
  transform: translateY(-2px);
}
.btn-secondary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  font-size: 15px;
  color: var(--text-1);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: all var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(45,226,198,0.06);
}
.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: rgba(45,226,198,0.08);
  border: 1px solid rgba(45,226,198,0.4);
  border-radius: 999px;
  line-height: 1.4;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  z-index: 200;
  background: rgba(6,11,24,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: linear-gradient(135deg, rgba(27,109,247,0.25), rgba(45,226,198,0.2));
  border: 1px solid rgba(45,226,198,0.3);
  color: var(--accent);
}
.logo-text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-1);
  white-space: nowrap;
}
.logo-text span {
  color: var(--accent);
}
.main-nav {
  display: flex;
  align-items: center;
  margin-left: 40px;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: transform var(--transition);
}
.main-nav a:hover {
  color: var(--text-1);
  background: rgba(255,255,255,0.04);
}
.main-nav a:hover::after {
  transform: translateX(-50%) scaleX(1);
}
.main-nav a.active {
  color: var(--text-1);
  background: rgba(45,226,198,0.06);
}
.main-nav a.active::after {
  transform: translateX(-50%) scaleX(1);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}
.mega-trigger {
  position: relative;
}
.mega-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-1);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.mega-btn:hover {
  border-color: var(--accent);
  background: rgba(45,226,198,0.06);
}
.mega-btn i {
  color: var(--accent);
}
.mega-panel {
  position: absolute;
  top: 54px;
  right: 0;
  width: 720px;
  background: rgba(11,19,40,0.97);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: none;
  grid-template-columns: 1fr 1.2fr 0.9fr;
  gap: 28px;
  backdrop-filter: blur(24px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  z-index: 300;
}
.mega-panel.open {
  display: grid;
  animation: megaFade 0.25s cubic-bezier(0.4,0,0.2,1);
}
@keyframes megaFade {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.mega-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.mega-col a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text-2);
  border-radius: 8px;
  transition: all var(--transition);
}
.mega-col a:hover {
  color: var(--text-1);
  background: rgba(255,255,255,0.05);
}
.mega-col a i {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: rgba(27,109,247,0.15);
  border-radius: 8px;
  color: var(--accent);
}
.mega-news {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mega-news a {
  padding: 8px 10px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mega-news a:last-child {
  border-bottom: none;
}
.mega-news time {
  font-size: 12px;
  color: var(--text-3);
  margin-left: auto;
  flex-shrink: 0;
}
.mega-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 14px 16px;
  background: rgba(27,109,247,0.15);
  border: 1px solid rgba(27,109,247,0.25);
  border-radius: 12px;
  font-size: 14px;
  color: var(--text-1);
  transition: all var(--transition);
}
.mega-cta:hover {
  background: rgba(27,109,247,0.25);
  border-color: var(--accent);
}
.mega-cta i {
  color: var(--accent);
  font-size: 20px;
}
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-1);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.hamburger:hover {
  border-color: var(--accent);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  background: rgba(6,11,24,0.98);
  border-bottom: 1px solid var(--glass-border);
  padding: 24px 20px;
  z-index: 250;
}
.mobile-menu.open {
  display: block;
  animation: megaFade 0.25s ease;
}
.mobile-menu nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu nav a {
  display: block;
  padding: 14px 16px;
  font-size: 16px;
  color: var(--text-2);
  border-radius: 10px;
  transition: all var(--transition);
}
.mobile-menu nav a:hover,
.mobile-menu nav a.active {
  color: var(--text-1);
  background: rgba(45,226,198,0.06);
}
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--bg-0);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.22;
  pointer-events: none;
  animation: glowDrift 6s ease-in-out infinite;
}
.hero-glow-1 {
  background: var(--primary);
  top: -100px;
  right: -100px;
}
.hero-glow-2 {
  background: var(--accent);
  bottom: -150px;
  left: 10%;
  animation-delay: 2s;
}
@keyframes glowDrift {
  0%, 100% {
    transform: translate(0, 0);
    opacity: 0.18;
  }
  50% {
    transform: translate(-30px, 25px);
    opacity: 0.25;
  }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(45,226,198,0.08);
  border: 1px solid rgba(45,226,198,0.35);
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-badge i {
  font-size: 12px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 20px;
  max-width: 520px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.entry-panel {
  position: relative;
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.panel-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.panel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,11,24,0.4) 0%, rgba(6,11,24,0.85) 100%);
  z-index: 1;
}
.panel-content {
  position: relative;
  z-index: 2;
  padding: 36px 32px 28px;
}
.panel-title {
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 24px;
  color: var(--text-1);
  letter-spacing: 1px;
}
.panel-field {
  margin-bottom: 18px;
}
.panel-field label {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 8px;
  font-weight: 500;
}
.input-slot {
  height: 46px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  display: flex;
  align-items: center;
  color: var(--text-3);
  font-size: 14px;
  transition: all var(--transition);
}
.input-slot:hover {
  border-color: rgba(45,226,198,0.3);
}
.input-slot i {
  margin-right: 8px;
  font-size: 13px;
  color: var(--text-3);
}
.panel-btn {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-btn);
  margin-top: 8px;
  transition: all var(--transition);
  cursor: pointer;
  letter-spacing: 4px;
}
.panel-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(27,109,247,0.55);
}
.panel-safe {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 12px;
  color: var(--text-3);
}
.panel-safe i {
  color: var(--accent);
}
.panel-error-slot {
  height: 12px;
  font-size: 12px;
  color: #ff647c;
  margin-top: 4px;
}
.trust-bar {
  background: var(--bg-1);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 24px 0;
}
.trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px;
  font-size: 14px;
  color: var(--text-2);
}
.trust-item i {
  font-size: 20px;
  color: var(--accent);
}
.trust-item span {
  font-weight: 500;
}
.features {
  padding: 100px 0;
  background: var(--bg-0);
}
.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(45,226,198,0.25);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: rgba(27,109,247,0.15);
  color: var(--accent);
  margin-bottom: 20px;
  transition: transform var(--transition);
}
.feature-card:hover .feature-icon {
  transform: scale(1.05);
}
.feature-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-card a {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.feature-card a:hover {
  gap: 10px;
}
.feature-wide {
  display: flex;
  align-items: flex-start;
  gap: 32px;
}
.feature-wide .feature-icon {
  width: 56px;
  height: 56px;
  font-size: 24px;
  flex-shrink: 0;
}
.feature-wide .feature-body {
  flex: 1;
}
.demo {
  padding: 100px 0;
  background: var(--bg-1);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 2px;
  opacity: 0.6;
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
  padding-left: 20px;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(45,226,198,0.15);
  border: 2px solid var(--bg-1);
}
.step-num {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(45,226,198,0.08);
  border: 1px solid rgba(45,226,198,0.3);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 8px;
}
.step-content h3 {
  font-size: 18px;
  margin-bottom: 6px;
}
.step-content p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
}
.demo-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.demo-image img {
  width: 100%;
  height: auto;
  display: block;
}
.image-caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(6,11,24,0.7);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-2);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 8px;
}
.image-caption i {
  color: var(--accent);
}
.proof {
  padding: 100px 0;
  background: var(--bg-0);
}
.stats-row {
  margin-bottom: 60px;
}
.stat-item {
  text-align: center;
  padding: 24px 16px;
}
.stat-num {
  font-family: var(--font-num);
  font-size: 46px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  text-shadow: 0 0 40px rgba(45,226,198,0.2);
}
.stat-label {
  font-size: 15px;
  color: var(--text-2);
  margin-top: 8px;
}
.quotes-row blockquote {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 0 0 20px;
  position: relative;
  transition: all var(--transition);
}
.quotes-row blockquote:hover {
  border-color: rgba(45,226,198,0.25);
  box-shadow: var(--shadow-card);
}
.quotes-row blockquote i.fa-quote-left {
  font-size: 24px;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 12px;
  display: block;
}
.quotes-row blockquote p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-1);
  font-style: italic;
  margin-bottom: 16px;
}
.quotes-row blockquote footer {
  font-size: 13px;
  color: var(--text-3);
  font-style: normal;
}
.pricing {
  padding: 100px 0;
  background: var(--bg-1);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.price-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition);
  margin-bottom: 20px;
}
.price-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.price-card.featured {
  background: linear-gradient(180deg, rgba(27,109,247,0.12), rgba(45,226,198,0.05));
  border-color: rgba(45,226,198,0.35);
  box-shadow: 0 0 0 1px rgba(45,226,198,0.2), var(--shadow-card);
}
.price-card.featured:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 0 1px rgba(45,226,198,0.35), 0 20px 50px rgba(0,0,0,0.5);
}
.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--warning-light), #E8A032);
  color: #000;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 16px;
  border-radius: 999px;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(245,181,68,0.3);
}
.price-head {
  text-align: center;
  margin-bottom: 24px;
}
.price-head h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.price {
  font-family: var(--font-num);
  font-size: 38px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.2;
}
.price-head p {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 6px;
}
.price-features {
  margin-bottom: 28px;
  flex: 1;
}
.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-2);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.price-features li:last-child {
  border-bottom: none;
}
.price-features li i {
  color: var(--accent);
  font-size: 13px;
  margin-top: 5px;
  flex-shrink: 0;
}
.price-card .btn-primary,
.price-card .btn-outline {
  width: 100%;
}
.faq {
  padding: 100px 0;
  background: var(--bg-0);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background var(--transition);
}
.faq-item:first-child {
  border-top: 1px solid rgba(255,255,255,0.08);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 16px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-1);
  position: relative;
  transition: color var(--transition);
}
.faq-question::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: height var(--transition);
}
.faq-item.active .faq-question {
  color: var(--accent);
}
.faq-item.active .faq-question::before {
  height: 60%;
}
.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-2);
  margin-left: auto;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: rgba(45,226,198,0.1);
  border-color: var(--accent);
  color: var(--accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 16px 22px 34px;
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.8;
}
.updates {
  padding: 100px 0;
  background: var(--bg-1);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.update-card {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  transition: all var(--transition);
  height: 100%;
}
.update-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(45,226,198,0.3);
}
.update-thumb {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--bg-2);
}
.update-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.update-card:hover .update-thumb img {
  transform: scale(1.04);
}
.update-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(6,11,24,0.6));
  opacity: 0.7;
}
.update-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.update-body .badge {
  align-self: flex-start;
  margin-bottom: 12px;
}
.update-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.update-body p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}
.update-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-3);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 14px;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 500;
  transition: gap var(--transition);
}
.update-card:hover .read-more {
  gap: 10px;
}
.empty-state {
  background: var(--glass-bg);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 60px 24px;
  text-align: center;
  grid-column: 1 / -1;
}
.empty-state i {
  font-size: 36px;
  color: var(--text-3);
  margin-bottom: 16px;
  display: block;
}
.empty-state p {
  font-size: 16px;
  color: var(--text-2);
}
.cta-section {
  padding: 100px 0;
  background: var(--bg-0);
}
.cta-box {
  position: relative;
  background: var(--bg-2);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  border: 1px solid rgba(45,226,198,0.2);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(27,109,247,0.15), 0 20px 60px rgba(0,0,0,0.4);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45,226,198,0.5), transparent);
}
.cta-box h2 {
  font-size: 32px;
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 16px;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 32px;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.site-footer {
  background: #040812;
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 0;
}
.footer-brand h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.8;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-2);
  transition: all var(--transition);
}
.footer-col a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-col p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.7;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
}
.float-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  z-index: 999;
  transition: all var(--transition);
  overflow: hidden;
  white-space: nowrap;
}
.float-cta span {
  max-width: 0;
  opacity: 0;
  font-size: 14px;
  font-weight: 500;
  overflow: hidden;
  transition: all var(--transition);
}
.float-cta:hover {
  width: 140px;
  border-radius: 28px;
  justify-content: center;
  gap: 8px;
  transform: translateY(-2px);
}
.float-cta:hover span {
  max-width: 80px;
  opacity: 1;
}
@media screen and (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mega-panel {
    width: 620px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .feature-wide {
    flex-direction: column;
    gap: 16px;
  }
}
@media screen and (max-width: 640px) {
  .header-inner {
    padding: 0 16px;
  }
  .logo-text {
    font-size: 16px;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  .mega-btn {
    display: none;
  }
  .hero {
    padding: 100px 0 60px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .entry-panel {
    max-width: 100%;
  }
  .panel-content {
    padding: 28px 20px 22px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .trust-item {
    font-size: 13px;
    padding: 6px;
  }
  .trust-item i {
    font-size: 16px;
  }
  .stat-num {
    font-size: 34px;
  }
  .price-card.featured {
    transform: none;
  }
  .price-card.featured:hover {
    transform: translateY(-2px);
  }
  .cta-box {
    padding: 40px 24px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .float-cta {
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    font-size: 18px;
  }
  .float-cta:hover {
    width: 120px;
  }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #1B6DF7;
  --accent: #2DE2C6;
  --warning-light: #F5B544;
  --bg-0: #060B18;
  --bg-1: #0B1328;
  --bg-2: #111B36;
  --glass-bg: rgba(255, 255, 255, 0.055);
  --glass-bg-strong: rgba(255, 255, 255, 0.085);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-highlight: rgba(255, 255, 255, 0.28);
  --text-1: #F0F6FF;
  --text-2: #A9BEDF;
  --text-3: #6F87AD;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 0 0 1px rgba(45, 226, 198, 0.25), 0 20px 50px rgba(0, 0, 0, 0.5);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "DIN Alternate", sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-0);
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition), border-color var(--transition), box-shadow var(--transition); }
a:hover { color: var(--text-1); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
::selection { background: rgba(45, 226, 198, 0.2); color: var(--text-1); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== 通用容器 ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow {
  max-width: 780px;
}

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), background 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn i { font-size: 15px; }
.btn-primary {
  background: linear-gradient(135deg, #1B6DF7, #2DE2C6);
  color: #fff;
  box-shadow: 0 6px 28px rgba(27, 109, 247, 0.4), 0 0 18px rgba(45, 226, 198, 0.2);
  border: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(27, 109, 247, 0.55), 0 0 28px rgba(45, 226, 198, 0.3);
  color: #fff;
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-1);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.btn-text {
  background: none;
  color: var(--accent);
  padding: 0;
  height: auto;
}
.btn-text:hover {
  color: var(--text-1);
}
.btn-small {
  height: 36px;
  padding: 0 18px;
  font-size: 14px;
  border-radius: 8px;
}

/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  background: rgba(45, 226, 198, 0.08);
  border: 1px solid rgba(45, 226, 198, 0.4);
  color: var(--accent);
  white-space: nowrap;
}
.tag-pill {
  display: inline-block;
  padding: 6px 16px;
  margin: 6px 8px 6px 0;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-2);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  transition: border-color var(--transition), color var(--transition);
}
.tag-pill:hover {
  border-color: var(--accent);
  color: var(--text-1);
}

/* ===== 首页导航（全站共用） ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  height: 72px;
  background: rgba(6, 11, 24, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-1);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.brand:hover { color: var(--accent); }
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(27, 109, 247, 0.25), rgba(45, 226, 198, 0.2));
  border: 1px solid rgba(45, 226, 198, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 17px;
}
.main-nav { display: flex; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav li { margin: 0; }
.main-nav a {
  display: block;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  line-height: 1.2;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.main-nav a:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.07);
}
.main-nav a.active {
  color: var(--text-1);
  background: rgba(27, 109, 247, 0.18);
  box-shadow: inset 0 0 0 1px rgba(45, 226, 198, 0.25);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.mega-trigger {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.mega-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(45, 226, 198, 0.15);
}
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.06);
}
.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.drawer-open .mobile-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.drawer-open .mobile-toggle span:nth-child(2) { opacity: 0; }
.drawer-open .mobile-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Mega 下拉面板 ===== */
.mega-panel {
  position: absolute;
  top: 72px;
  right: 0;
  left: 0;
  margin: 0 auto;
  width: min(920px, calc(100% - 48px));
  background: rgba(11, 19, 40, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1), transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.28s;
  z-index: 998;
}
.mega-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 28px;
}
.mega-col h4 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.mega-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 14px;
  margin-bottom: 6px;
  transition: background var(--transition);
  color: var(--text-1);
}
.mega-link:hover {
  background: rgba(27, 109, 247, 0.12);
  color: var(--text-1);
}
.mega-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(27, 109, 247, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 16px;
  flex-shrink: 0;
}
.mega-text strong { display: block; font-size: 15px; font-weight: 600; }
.mega-text small { display: block; font-size: 12px; color: var(--text-3); margin-top: 2px; }
.mega-entry-card {
  background: linear-gradient(135deg, rgba(27, 109, 247, 0.2), rgba(45, 226, 198, 0.1));
  border: 1px solid rgba(45, 226, 198, 0.25);
  border-radius: 16px;
  padding: 20px;
  color: var(--text-1);
}
.mega-entry-card i {
  font-size: 26px;
  color: var(--accent);
  margin-bottom: 10px;
}
.mega-entry-card p {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 14px;
  color: var(--text-2);
}
.mega-tip {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 16px;
}

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
  position: absolute;
  top: 72px;
  left: 0;
  width: 100%;
  background: rgba(6, 11, 24, 0.97);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  padding: 24px;
  display: none;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.28s ease, transform 0.28s ease;
  z-index: 997;
}
.drawer-open .mobile-drawer {
  display: block;
  opacity: 1;
  transform: translateY(0);
}
.mobile-drawer ul { display: flex; flex-direction: column; gap: 6px; }
.mobile-drawer a {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 16px;
  color: var(--text-2);
  background: var(--glass-bg);
}
.mobile-drawer a:hover,
.mobile-drawer a.active {
  background: rgba(27, 109, 247, 0.18);
  color: var(--text-1);
}

/* ===== 文章页标题栏 ===== */
.article-hero {
  position: relative;
  min-height: 96px;
  padding: 64px 0 56px;
  background: linear-gradient(135deg, rgba(6, 11, 24, 0.88), rgba(11, 19, 40, 0.72)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  border-bottom: 1px solid var(--glass-border);
  overflow: hidden;
}
.article-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 11, 24, 0) 20%, rgba(6, 11, 24, 0.5) 100%);
  pointer-events: none;
}
.article-hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.article-hero h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-1);
  margin-bottom: 18px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--text-2);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i {
  color: var(--accent);
  font-size: 14px;
}
.article-meta .meta-cate {
  color: var(--accent);
}

/* ===== 面包屑 ===== */
.breadcrumb-bar {
  background: var(--bg-1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-2);
}
.breadcrumb a {
  color: var(--text-2);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-3); }
.breadcrumb .bread-current {
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

/* ===== 正文区 ===== */
.article-content-section {
  padding: 56px 0 40px;
}
.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-1);
}
.article-body p {
  margin-bottom: 28px;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 600;
  margin-top: 44px;
  margin-bottom: 20px;
  padding-left: 16px;
  position: relative;
  line-height: 1.4;
}
.article-body h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(45, 226, 198, 0.4);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 14px;
  color: var(--text-1);
}
.article-body img {
  border-radius: 14px;
  margin: 32px 0;
  box-shadow: var(--shadow-md);
}
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--glass-bg);
  padding: 24px;
  border-radius: 0 14px 14px 0;
  margin: 32px 0;
  color: var(--text-2);
  font-style: normal;
}
.article-body ul {
  margin: 24px 0 28px;
  padding: 0;
}
.article-body ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--text-2);
}
.article-body ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 600;
  color: var(--accent);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 14px;
}
.article-body a {
  color: var(--accent);
  border-bottom: 1px solid rgba(45, 226, 198, 0.3);
  padding-bottom: 1px;
  transition: border-color var(--transition), color var(--transition);
}
.article-body a:hover {
  border-color: var(--accent);
  color: var(--text-1);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
  color: var(--text-2);
  border-radius: 12px;
  overflow: hidden;
}
.article-body th {
  background: var(--bg-2);
  padding: 12px 16px;
  text-align: left;
  color: var(--text-1);
  font-weight: 600;
}
.article-body td {
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

/* ===== 文章标签区 ===== */
.article-tags {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.article-tags-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-3);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

/* ===== 内容未找到 ===== */
.article-not-found {
  text-align: center;
  padding: 80px 24px;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
}
.article-not-found i {
  font-size: 44px;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.8;
}
.article-not-found h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}
.article-not-found p {
  color: var(--text-2);
  font-size: 15px;
  margin-bottom: 28px;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 64px 0;
  background: var(--bg-1);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.section-title {
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 36px;
  position: relative;
  padding-left: 18px;
  line-height: 1.3;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-1);
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(45, 226, 198, 0.4);
  box-shadow: var(--shadow-hover);
  color: var(--text-1);
}
.related-thumb {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.related-card:hover .related-thumb img {
  transform: scale(1.05);
}
.related-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 11, 24, 0.6));
}
.related-body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.related-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-1);
}
.related-body p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  flex: 1;
}

/* ===== 底部 CTA ===== */
.page-cta {
  padding: 72px 0;
}
.cta-card {
  position: relative;
  text-align: center;
  padding: 64px 32px;
  border-radius: 24px;
  background: var(--bg-2);
  border: 1px solid rgba(45, 226, 198, 0.25);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.45), inset 0 0 60px rgba(27, 109, 247, 0.06);
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45, 226, 198, 0.6), transparent);
}
.cta-card i {
  font-size: 36px;
  color: var(--accent);
  margin-bottom: 20px;
  display: inline-block;
}
.cta-card h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-1);
}
.cta-card p {
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #050912;
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 0;
  color: var(--text-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(27, 109, 247, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 15px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-3);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-2);
  transition: color var(--transition), padding-left var(--transition);
}
.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-col p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-3);
}
.footer-safe {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--accent);
  border: 1px solid rgba(45, 226, 198, 0.25);
  background: rgba(45, 226, 198, 0.06);
  border-radius: 999px;
  padding: 6px 14px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-3);
}
.footer-bottom .copyright { color: var(--text-3); }

/* ===== 浮动 CTA ===== */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1B6DF7, #2DE2C6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 6px 28px rgba(27, 109, 247, 0.5), 0 0 18px rgba(45, 226, 198, 0.25);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-radius 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  z-index: 990;
  overflow: hidden;
  border: none;
}
.float-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(27, 109, 247, 0.6), 0 0 28px rgba(45, 226, 198, 0.35);
}
.float-cta .float-label {
  position: absolute;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  margin-left: 8px;
}
.float-cta:hover {
  width: 130px;
  border-radius: 28px;
  justify-content: flex-start;
  padding-left: 16px;
}
.float-cta:hover .float-label {
  opacity: 1;
  transform: translateX(0);
}
.float-cta i {
  flex-shrink: 0;
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .mobile-toggle { display: flex; }
  .mega-trigger { display: none; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-hero h1 { font-size: 34px; }
  .section-title { font-size: 26px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .article-hero { padding: 48px 0 40px; }
  .article-hero h1 { font-size: 28px; }
  .article-meta { gap: 10px; font-size: 13px; }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 22px; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-card { padding: 44px 24px; }
  .cta-card h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .float-cta {
    width: 48px;
    height: 48px;
    right: 16px;
    bottom: 16px;
    font-size: 17px;
  }
  .float-cta:hover {
    width: 48px;
    border-radius: 50%;
    justify-content: center;
    padding-left: 0;
  }
  .float-cta:hover .float-label { display: none; }
  .breadcrumb .bread-current { max-width: 180px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-hero h1 { font-size: 24px; }
  .article-hero { padding: 40px 0 32px; }
  .article-meta { gap: 8px; }
  .btn { padding: 0 20px; height: 44px; font-size: 15px; }
  .mega-panel { width: calc(100% - 32px); padding: 18px; }
  .article-body blockquote { padding: 18px; }
  .article-body ul li::before { font-size: 13px; }
  .related-thumb { height: 160px; }
  .footer-brand p { font-size: 13px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #1B6DF7;
  --accent: #2DE2C6;
  --warning-light: #F5B544;
  --bg-0: #060B18;
  --bg-1: #0B1328;
  --bg-2: #111B36;
  --glass-bg: rgba(255, 255, 255, 0.055);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-highlight: rgba(255, 255, 255, 0.28);
  --text-1: #F0F6FF;
  --text-2: #A9BEDF;
  --text-3: #6F87AD;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 0 0 1px rgba(45, 226, 198, 0.25), 0 20px 50px rgba(0, 0, 0, 0.5);
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "DIN Alternate", sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;
}

/* ===== 基础 reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 18px); }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-1);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease); }
a:hover { color: var(--accent); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; line-height: 1.3; color: var(--text-1); }
p { margin: 0; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
input, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.grid-container { max-width: 1200px; }
.section { padding: 5.5rem 0; }

/* ===== 通用容器与间距 ===== */
.page-main { padding: 4rem 0 2rem; }
.content-main { padding-right: 1.25rem; }
.content-section { margin-bottom: 3.25rem; }
.section-head { margin-bottom: 1.75rem; }
.section-head h2 {
  font-size: 28px;
  line-height: 1.3;
  position: relative;
  padding-left: 16px;
}
.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 24px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  box-shadow: 0 0 12px rgba(45, 226, 198, 0.35);
}
.section-head p { color: var(--text-2); margin-top: 0.5rem; font-size: 15px; }
.section-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: rgba(45, 226, 198, 0.08);
  border: 1px solid rgba(45, 226, 198, 0.3);
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.center { text-align: center; }
.center h2 { padding-left: 0; }
.center h2::before { display: none; }

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn-primary {
  background: linear-gradient(135deg, #1B6DF7, #2DE2C6);
  color: #fff;
  box-shadow: 0 6px 28px rgba(27, 109, 247, 0.4), 0 0 18px rgba(45, 226, 198, 0.2);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 34px rgba(27, 109, 247, 0.5), 0 0 26px rgba(45, 226, 198, 0.3);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-1);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: #fff;
  background: rgba(45, 226, 198, 0.08);
  transform: translateY(-2px);
}
.btn-lg { height: 54px; padding: 0 36px; font-size: 17px; }
.btn-block { width: 100%; }

/* ===== Header / 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(6, 11, 24, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.01em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand::before {
  content: "";
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 14px rgba(45, 226, 198, 0.4);
  flex: none;
}
.brand:hover { color: var(--text-1); }
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  display: block;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.main-nav a:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}
.main-nav a.active {
  color: #fff;
  background: rgba(27, 109, 247, 0.18);
  border-color: rgba(45, 226, 198, 0.35);
  box-shadow: 0 0 16px rgba(27, 109, 247, 0.2);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 分类 Hero ===== */
.page-hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(6, 11, 24, 0.92), rgba(27, 109, 247, 0.45), rgba(6, 11, 24, 0.9));
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.24;
  z-index: 0;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 11, 24, 0.2), rgba(6, 11, 24, 0.78));
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 4.5rem 0 4rem;
}
.hero-breadcrumb {
  font-size: 13px;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.hero-breadcrumb a { color: var(--text-2); }
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb span { color: var(--text-3); }
.hero-breadcrumb strong { color: var(--text-1); font-weight: 500; }
.hero-content h1 {
  font-size: 40px;
  line-height: 1.2;
  max-width: 720px;
  color: var(--text-1);
}
.hero-content h1 em {
  font-style: normal;
  color: transparent;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-sub {
  margin-top: 16px;
  font-size: 16px;
  color: var(--text-2);
  max-width: 620px;
}
.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== 侧边栏 ===== */
.sidebar { position: relative; }
.side-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.side-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), transparent);
}
.side-card:hover {
  border-color: rgba(45, 226, 198, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.side-card h3 {
  font-size: 18px;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 12px;
}
.side-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.side-anchors li, .side-links li { margin-bottom: 10px; }
.side-anchors a, .side-links a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: all 0.25s var(--ease);
}
.side-anchors a:hover, .side-links a:hover {
  color: var(--text-1);
  border-color: rgba(45, 226, 198, 0.3);
  background: rgba(45, 226, 198, 0.06);
  padding-left: 16px;
}
.side-card-highlight {
  background: linear-gradient(145deg, rgba(27, 109, 247, 0.13), rgba(45, 226, 198, 0.07));
  border-color: rgba(45, 226, 198, 0.25);
}
.side-card-highlight p { font-size: 14px; color: var(--text-2); margin-bottom: 18px; }

/* ===== 时间线 ===== */
.timeline {
  position: relative;
  margin-top: 1.25rem;
  padding-left: 8px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent), rgba(45, 226, 198, 0.1));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding-left: 74px;
  margin-bottom: 28px;
}
.timeline-marker {
  position: absolute;
  left: 8px;
  top: 4px;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(27, 109, 247, 0.18);
  border: 1px solid rgba(45, 226, 198, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  box-shadow: 0 0 16px rgba(45, 226, 198, 0.15);
}
.timeline-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.timeline-card:hover {
  border-color: rgba(45, 226, 198, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.timeline-card h3 { font-size: 18px; margin-bottom: 8px; }
.timeline-card p { font-size: 15px; color: var(--text-2); line-height: 1.75; }

/* ===== 检查清单 ===== */
.checklist-grid { margin-top: 1rem; }
.check-item {
  height: 100%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 18px 18px 18px 52px;
  position: relative;
  font-size: 15px;
  color: var(--text-2);
  margin-bottom: 16px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}
.check-item::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 16px;
  top: 18px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(45, 226, 198, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.check-item:hover {
  border-color: rgba(45, 226, 198, 0.35);
  background: rgba(45, 226, 198, 0.04);
  transform: translateY(-2px);
}
.notice-box {
  margin-top: 20px;
  border-left: 4px solid var(--accent);
  background: rgba(45, 226, 198, 0.07);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-2);
}
.notice-box + .notice-box { margin-top: 12px; }
.notice-box strong { color: var(--text-1); font-weight: 600; }

/* ===== 场景图文 ===== */
.scenario-list .scenario-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.scenario-item:hover { border-color: rgba(45, 226, 198, 0.3); transform: translateX(4px); }
.scenario-icon {
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(27, 109, 247, 0.16);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.scenario-item h4 { font-size: 15px; margin-bottom: 4px; }
.scenario-item p { font-size: 14px; color: var(--text-2); }
.section-img {
  border-radius: var(--radius-lg);
  width: 100%;
  object-fit: cover;
  box-shadow: var(--shadow-card);
}

/* ===== 要点标签 ===== */
.tag-list { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1rem; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-2);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all 0.25s var(--ease);
}
.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(45, 226, 198, 0.6);
}
.tag:hover {
  color: var(--text-1);
  border-color: rgba(45, 226, 198, 0.4);
  background: rgba(45, 226, 198, 0.06);
  transform: translateY(-2px);
}

/* ===== FAQ ===== */
.faq-section {
  padding: 4.5rem 0;
  background: var(--bg-1);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.faq-list {
  max-width: 860px;
  margin: 2rem auto 0;
}
.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: border-color 0.25s var(--ease);
}
.faq-item:first-child { border-top: 1px solid rgba(255, 255, 255, 0.1); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 20px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-1);
  background: transparent;
  border-radius: 0;
}
.faq-q i {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  transition: all 0.3s var(--ease);
}
.faq-q i::before, .faq-q i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--text-2);
  border-radius: 1px;
  transition: all 0.3s var(--ease);
}
.faq-q i::before { width: 12px; height: 2px; }
.faq-q i::after { width: 2px; height: 12px; }
.faq-item.active { border-left: 2px solid var(--accent); padding-left: 12px; }
.faq-item.active .faq-q i { border-color: var(--accent); }
.faq-item.active .faq-q i::before, .faq-item.active .faq-q i::after { background: var(--accent); }
.faq-item.active .faq-q i::after { opacity: 0; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease), padding 0.3s var(--ease);
  padding: 0 8px;
}
.faq-item.active .faq-a {
  max-height: 320px;
  padding: 0 8px 20px;
}
.faq-a p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section { padding: 4.5rem 0; }
.cta-card {
  position: relative;
  background: var(--bg-2);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2.5rem;
  text-align: center;
  box-shadow: 0 0 0 1px rgba(45, 226, 198, 0.15), 0 0 60px rgba(27, 109, 247, 0.12), var(--shadow-card);
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.cta-card h2 { font-size: 30px; margin-bottom: 12px; }
.cta-card p { color: var(--text-2); max-width: 560px; margin: 0 auto 28px; font-size: 16px; }

/* ===== Footer ===== */
.site-footer {
  background: #050A15;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3.5rem 0 0;
}
.footer-brand h3 {
  font-size: 18px;
  margin-bottom: 12px;
}
.footer-brand p { font-size: 14px; color: var(--text-3); max-width: 320px; }
.footer-col h4 {
  font-size: 15px;
  margin-bottom: 16px;
  color: var(--text-1);
  font-weight: 600;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--text-3);
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-col p { font-size: 14px; color: var(--text-3); }
.footer-bottom {
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-3);
}

/* ===== 浮动 CTA ===== */
.float-cta {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(27, 109, 247, 0.5), 0 0 20px rgba(45, 226, 198, 0.2);
  transition: all 0.25s var(--ease);
  overflow: hidden;
}
.float-cta i { font-size: 20px; flex: none; }
.float-cta span {
  max-width: 0;
  opacity: 0;
  white-space: nowrap;
  overflow: hidden;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s var(--ease);
}
.float-cta:hover, .float-cta:focus-visible {
  width: auto;
  height: 56px;
  border-radius: 999px;
  padding: 0 20px;
  gap: 8px;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(27, 109, 247, 0.6), 0 0 28px rgba(45, 226, 198, 0.3);
}
.float-cta:hover span, .float-cta:focus-visible span {
  max-width: 120px;
  opacity: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(6, 11, 24, 0.97);
    border-bottom: 1px solid var(--glass-border);
    padding: 18px 20px 26px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s var(--ease);
    z-index: 95;
    backdrop-filter: blur(16px);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { text-align: center; padding: 13px 16px; font-size: 15px; }
  .content-main { padding-right: 0; }
  .hero-content h1 { font-size: 32px; }
  .sidebar { margin-top: 2rem; }
}

@media (max-width: 639px) {
  .page-main { padding-top: 2.5rem; }
  .hero-content h1 { font-size: 26px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .section-head h2 { font-size: 24px; }
  .timeline-item { padding-left: 60px; }
  .timeline-marker { width: 36px; height: 36px; font-size: 13px; }
  .timeline::before { left: 24px; }
  .cta-card { padding: 2.5rem 1.25rem; }
  .cta-card h2 { font-size: 24px; }
  .float-cta { right: 16px; bottom: 16px; width: 48px; height: 48px; }
  .float-cta:hover, .float-cta:focus-visible { width: auto; height: 48px; padding: 0 16px; border-radius: 999px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* roulang page: category3 */
:root{
  --primary:#1B6DF7;
  --accent:#2DE2C6;
  --warning-light:#F5B544;
  --bg-0:#060B18;
  --bg-1:#0B1328;
  --bg-2:#111B36;
  --glass-bg:rgba(255,255,255,0.055);
  --glass-border:rgba(255,255,255,0.14);
  --glass-highlight:rgba(255,255,255,0.28);
  --text-1:#F0F6FF;
  --text-2:#A9BEDF;
  --text-3:#6F87AD;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 12px 40px rgba(0,0,0,0.35);
  --shadow-hover:0 0 0 1px rgba(45,226,198,0.25), 0 20px 50px rgba(0,0,0,0.5);
  --transition:0.25s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-0);
  color:var(--text-1);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--transition);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul,ol{list-style:none;}
.grid-container{max-width:1220px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  height:72px;
  background:rgba(6,11,24,0.85);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--glass-border);
}
.site-header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:20px;
}
.site-logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;letter-spacing:0.02em;
  white-space:nowrap;
}
.logo-icon{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  font-size:17px;color:#fff;
  box-shadow:0 0 18px rgba(45,226,198,0.35);
  flex-shrink:0;
}
.logo-text{font-size:19px;font-weight:700;}
.main-nav{flex:1;display:flex;justify-content:center;}
.main-nav ul{display:flex;gap:4px;}
.main-nav a{
  display:block;padding:9px 18px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:all var(--transition);
}
.main-nav a:hover{color:var(--text-1);background:rgba(255,255,255,0.06);}
.main-nav a.active{
  color:var(--accent);
  background:rgba(45,226,198,0.1);
  box-shadow:inset 0 0 0 1px rgba(45,226,198,0.25);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn-mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:10px;
  font-size:14px;font-weight:500;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  color:var(--text-1);
  transition:all var(--transition);
}
.btn-mega-trigger:hover{
  border-color:var(--accent);
  color:var(--accent);
  box-shadow:0 0 16px rgba(45,226,198,0.15);
}
.hamburger{
  display:none;width:42px;height:42px;border-radius:10px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  align-items:center;justify-content:center;font-size:18px;
}
/* Mega Menu */
.mega-panel{
  position:fixed;top:72px;right:0;left:0;z-index:199;
  background:rgba(11,19,40,0.96);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid var(--glass-border);
  box-shadow:0 24px 60px rgba(0,0,0,0.45);
  opacity:0;visibility:hidden;
  transform:translateY(-8px);
  transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
  pointer-events:none;
}
.mega-panel.open{
  opacity:1;visibility:visible;transform:translateY(0);
  pointer-events:auto;
}
.mega-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;
  gap:32px;padding:36px 0;
}
.mega-title{
  font-size:14px;font-weight:600;color:var(--text-3);
  letter-spacing:0.06em;margin-bottom:18px;
  text-transform:uppercase;
}
.mega-link{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;
  transition:all var(--transition);
  margin-bottom:6px;
}
.mega-link i{width:20px;text-align:center;color:var(--accent);}
.mega-link:hover{background:var(--glass-bg);color:var(--text-1);}
.mega-article{
  display:flex;flex-direction:column;gap:4px;
  padding:12px 14px;border-radius:12px;
  color:var(--text-2);font-size:14px;
  transition:all var(--transition);
  margin-bottom:6px;
}
.mega-article time{font-size:12px;color:var(--text-3);}
.mega-article:hover{background:var(--glass-bg);color:var(--text-1);}
.mega-entry-card{
  background:linear-gradient(135deg,rgba(27,109,247,0.15),rgba(45,226,198,0.1));
  border:1px solid rgba(45,226,198,0.2);
  border-radius:var(--radius-md);
  padding:24px;
  display:flex;flex-direction:column;align-items:flex-start;gap:10px;
}
.mega-entry-card i{font-size:28px;color:var(--accent);}
.mega-entry-card strong{font-size:17px;font-weight:600;}
.mega-entry-card span{font-size:14px;color:var(--text-2);}
.mega-entry-btn{
  margin-top:10px;height:40px;padding:0 20px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  box-shadow:0 6px 20px rgba(27,109,247,0.35);
  transition:all var(--transition);
}
.mega-entry-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(27,109,247,0.5);}

/* ===== 分类 Hero ===== */
.category-hero{
  position:relative;
  height:340px;
  background-size:cover;background-position:center;
  display:flex;align-items:center;
}
.category-hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,11,24,0.92) 30%,rgba(27,109,247,0.45) 70%,rgba(45,226,198,0.25));
}
.hero-content{position:relative;z-index:2;padding:60px 0;}
.hero-crumb{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,0.06);
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--glass-border);
  margin-bottom:20px;
}
.category-hero h1{
  font-size:36px;font-weight:700;line-height:1.25;
  color:var(--text-1);
  max-width:760px;
  margin-bottom:14px;
}
.category-hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--accent),#7ef0e2);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.category-hero .hero-sub{
  font-size:16px;color:var(--text-2);
  max-width:680px;line-height:1.8;
}

/* ===== Main Layout ===== */
.main-wrapper{padding:60px 0 40px;}
.anchor-tabs-wrap{
  margin-bottom:48px;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  padding:12px;
  backdrop-filter:blur(10px);
}
.anchor-tabs{
  display:flex;flex-wrap:wrap;gap:10px;
}
.anchor-tab{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  font-size:14px;font-weight:500;
  color:var(--text-2);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--glass-border);
  transition:all var(--transition);
}
.anchor-tab i{font-size:12px;color:var(--accent);}
.anchor-tab:hover{
  border-color:var(--accent);color:var(--text-1);
  box-shadow:0 0 14px rgba(45,226,198,0.12);
}
.anchor-tab.active{
  background:linear-gradient(135deg,rgba(27,109,247,0.25),rgba(45,226,198,0.15));
  border-color:rgba(45,226,198,0.45);
  color:var(--text-1);
}

/* ===== 内容小节 ===== */
.content-section{
  margin-bottom:56px;
  padding-top:8px;
}
.content-section .section-head{
  display:flex;align-items:center;gap:16px;
  margin-bottom:10px;
}
.section-tag{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 12px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(27,109,247,0.25),rgba(45,226,198,0.15));
  border:1px solid rgba(45,226,198,0.3);
  color:var(--accent);
  font-size:14px;font-weight:600;
  flex-shrink:0;
}
.section-head h2{
  font-size:26px;font-weight:600;color:var(--text-1);
  position:relative;
}
.section-head h2::before{
  content:'';display:inline-block;width:4px;height:22px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  border-radius:2px;margin-right:12px;
  vertical-align:-3px;
}
.section-desc{
  font-size:15px;color:var(--text-2);
  margin-bottom:28px;
  max-width:680px;
}
.flow-banner{
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-bottom:28px;
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
  position:relative;
}
.flow-banner img{
  width:100%;
  height:220px;
  object-fit:cover;
}
.flow-banner::after{
  content:'乐鱼官网登陆入口 · 登录流程示意';
  position:absolute;left:16px;bottom:16px;
  background:rgba(6,11,24,0.78);
  backdrop-filter:blur(8px);
  padding:6px 16px;border-radius:999px;
  font-size:13px;color:var(--text-1);
  border:1px solid var(--glass-border);
}
.card-grid{
  margin-left:-12px;margin-right:-12px;
}
.help-card-wrap{
  padding:12px;
}
.help-card{
  height:100%;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  padding:28px 26px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:all var(--transition);
  position:relative;
  overflow:hidden;
}
.help-card::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.25),transparent);
}
.help-card:hover{
  border-color:rgba(45,226,198,0.35);
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.help-card-icon{
  width:50px;height:50px;border-radius:14px;
  background:rgba(27,109,247,0.15);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--accent);
  margin-bottom:18px;
  transition:transform var(--transition);
}
.help-card:hover .help-card-icon{transform:scale(1.05);}
.help-card h3{
  font-size:17px;font-weight:600;color:var(--text-1);
  margin-bottom:10px;
}
.help-card p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  margin-bottom:0;
}
.help-card .card-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;
  font-size:13px;font-weight:500;color:var(--accent);
  transition:gap var(--transition);
}
.help-card .card-link:hover{gap:10px;}

/* ===== 侧边栏 ===== */
.sidebar{
  position:sticky;top:100px;
  display:flex;flex-direction:column;gap:24px;
}
.sidebar-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  backdrop-filter:blur(12px);
  padding:26px;
  transition:border-color var(--transition);
}
.sidebar-card:hover{border-color:rgba(45,226,198,0.25);}
.sidebar-card h3{
  font-size:16px;font-weight:600;color:var(--text-1);
  margin-bottom:18px;
  position:relative;
  padding-bottom:12px;
}
.sidebar-card h3::after{
  content:'';position:absolute;left:0;bottom:0;
  width:36px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:1px;
}
.sidebar-toc ul{display:flex;flex-direction:column;gap:4px;}
.sidebar-toc a{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:10px;
  font-size:14px;color:var(--text-2);
  transition:all var(--transition);
}
.sidebar-toc a::before{
  content:'';
  width:6px;height:6px;border-radius:50%;
  background:var(--text-3);
  transition:background var(--transition);
}
.sidebar-toc a:hover{
  background:rgba(45,226,198,0.08);
  color:var(--text-1);
}
.sidebar-toc a:hover::before{background:var(--accent);}
.sidebar-related a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:10px;
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.06);
  font-size:14px;color:var(--text-2);
  margin-bottom:10px;
  transition:all var(--transition);
}
.sidebar-related a i{color:var(--accent);font-size:13px;}
.sidebar-related a:hover{
  border-color:rgba(45,226,198,0.3);
  color:var(--text-1);
  transform:translateX(3px);
}
.sidebar-entry{
  background:linear-gradient(135deg,rgba(27,109,247,0.2),rgba(45,226,198,0.08));
  border:1px solid rgba(45,226,198,0.25);
}
.entry-card-inner{
  display:flex;flex-direction:column;align-items:flex-start;gap:10px;
}
.entry-card-inner>i{font-size:30px;color:var(--accent);}
.entry-card-inner h4{
  font-size:18px;font-weight:600;color:var(--text-1);
}
.entry-card-inner p{
  font-size:14px;color:var(--text-2);
  margin-bottom:6px;
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 28px rgba(27,109,247,0.4),0 0 18px rgba(45,226,198,0.2);
  transition:all var(--transition);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 36px rgba(27,109,247,0.5),0 0 24px rgba(45,226,198,0.3);
}
.btn-sm{height:38px;padding:0 20px;font-size:13px;}

/* ===== FAQ ===== */
.faq-section{
  background:var(--bg-1);
  padding:80px 0;
  border-top:1px solid var(--glass-border);
  border-bottom:1px solid var(--glass-border);
}
.faq-section .section-title{
  text-align:center;
  font-size:30px;font-weight:600;color:var(--text-1);
  margin-bottom:12px;
}
.faq-section .section-sub{
  text-align:center;color:var(--text-2);font-size:15px;
  margin-bottom:52px;
}
.faq-list{
  max-width:860px;margin:0 auto;
}
.faq-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  margin-bottom:16px;
  overflow:hidden;
  transition:all var(--transition);
  position:relative;
}
.faq-item::before{
  content:'';position:absolute;left:0;top:0;bottom:0;
  width:2px;background:var(--accent);
  opacity:0;transition:opacity var(--transition);
}
.faq-item.active{
  border-color:rgba(45,226,198,0.3);
  box-shadow:0 8px 30px rgba(0,0,0,0.3);
}
.faq-item.active::before{opacity:1;}
.faq-question{
  width:100%;text-align:left;
  padding:22px 26px;
  font-size:16px;font-weight:500;color:var(--text-1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color var(--transition);
}
.faq-question:hover{color:var(--accent);}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:8px;
  background:rgba(45,226,198,0.1);
  border:1px solid rgba(45,226,198,0.25);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;color:var(--accent);
  transition:all 0.3s ease;
}
.faq-item.active .faq-answer{
  display:block;
  animation:fadeIn 0.3s ease;
}
@keyframes fadeIn{
  from{opacity:0;transform:translateY(-4px);}
  to{opacity:1;transform:translateY(0);}
}
.faq-answer{
  display:none;
  padding:0 26px 22px 26px;
  font-size:14px;color:var(--text-2);line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{
  padding:80px 0;
}
.cta-card{
  background:var(--bg-2);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:64px 40px;
  text-align:center;
  position:relative;
  overflow:hidden;
  box-shadow:0 0 60px rgba(27,109,247,0.15);
}
.cta-card::before{
  content:'';position:absolute;top:-60px;left:-60px;
  width:200px;height:200px;
  background:radial-gradient(circle,rgba(45,226,198,0.15),transparent 70%);
  pointer-events:none;
}
.cta-card::after{
  content:'';position:absolute;bottom:-60px;right:-60px;
  width:200px;height:200px;
  background:radial-gradient(circle,rgba(27,109,247,0.2),transparent 70%);
  pointer-events:none;
}
.cta-card h2{
  font-size:30px;font-weight:600;color:var(--text-1);
  margin-bottom:14px;
  position:relative;z-index:1;
}
.cta-card p{
  font-size:16px;color:var(--text-2);
  max-width:560px;margin:0 auto 32px;
  position:relative;z-index:1;
}
.cta-card .btn-primary{position:relative;z-index:1;}

/* ===== Footer ===== */
.site-footer{
  background:#04080F;
  border-top:1px solid var(--glass-border);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;margin-bottom:40px;
}
.footer-brand .footer-logo{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;margin-bottom:16px;
}
.footer-brand p{
  font-size:14px;color:var(--text-2);line-height:1.8;
  max-width:280px;
}
.footer-title{
  font-size:15px;font-weight:600;color:var(--text-1);
  margin-bottom:18px;
}
.footer-links a{
  display:block;padding:6px 0;
  font-size:14px;color:var(--text-2);
  transition:color var(--transition);
}
.footer-links a:hover{color:var(--accent);}
.footer-contact p{
  font-size:14px;color:var(--text-2);
  margin-bottom:10px;
  display:flex;align-items:center;gap:10px;
}
.footer-contact i{color:var(--accent);width:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding-top:22px;
  text-align:center;
  font-size:14px;color:var(--text-3);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:90px;z-index:150;
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 30px rgba(27,109,247,0.5),0 0 20px rgba(45,226,198,0.25);
  transition:all var(--transition);
  overflow:hidden;
}
.float-cta i{font-size:20px;color:#fff;}
.float-cta .float-text{
  position:absolute;white-space:nowrap;
  font-size:14px;font-weight:500;color:#fff;
  opacity:0;transform:translateX(10px);
  transition:all var(--transition);
}
.float-cta:hover{
  width:130px;border-radius:999px;
  justify-content:center;gap:8px;
}
.float-cta:hover i{opacity:0;position:absolute;}
.float-cta:hover .float-text{
  opacity:1;transform:translateX(0);
}
@media(max-width:640px){
  .float-cta{width:48px;height:48px;right:16px;bottom:80px;}
  .float-cta:hover{width:48px;border-radius:50%;}
  .float-cta:hover i{opacity:1;position:static;}
  .float-cta:hover .float-text{opacity:0;}
}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .main-nav{display:none;}
  .hamburger{display:flex;}
  .btn-mega-trigger{display:none;}
  .mega-grid{grid-template-columns:1fr;gap:0;}
  .mega-panel{position:fixed;top:72px;padding:20px;}
  .mega-grid>div{margin-bottom:24px;}
  .category-hero{height:280px;}
  .category-hero h1{font-size:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:640px){
  body{font-size:15px;}
  .site-header-inner{height:64px;}
  .site-header{height:64px;}
  .logo-text{font-size:16px;}
  .logo-icon{width:32px;height:32px;font-size:14px;}
  .category-hero{height:240px;}
  .category-hero h1{font-size:24px;line-height:1.4;}
  .hero-content{padding:30px 0;}
  .hero-crumb{font-size:12px;}
  .main-wrapper{padding:40px 0 30px;}
  .anchor-tabs-wrap{padding:10px;}
  .anchor-tab{padding:8px 14px;font-size:13px;}
  .content-section{margin-bottom:44px;}
  .section-head h2{font-size:22px;}
  .section-desc{font-size:14px;}
  .faq-section,.cta-section{padding:50px 0;}
  .faq-section .section-title,.cta-card h2{font-size:24px;}
  .faq-question{padding:18px 20px;font-size:15px;}
  .faq-answer{padding:0 20px 18px;}
  .cta-card{padding:40px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:100%;}
}

/* roulang page: category2 */
:root{
  --primary:#1B6DF7;
  --primary-rgb:27,109,247;
  --accent:#2DE2C6;
  --accent-rgb:45,226,198;
  --warning:#F5B544;
  --bg-0:#060B18;
  --bg-1:#0B1328;
  --bg-2:#111B36;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bg-hover:rgba(255,255,255,.09);
  --glass-border:rgba(255,255,255,.14);
  --glass-border-light:rgba(255,255,255,.26);
  --text-1:#F0F6FF;
  --text-2:#A9BEDF;
  --text-3:#6F87AD;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-sm:0 4px 16px rgba(0,0,0,.25);
  --shadow-md:0 12px 40px rgba(0,0,0,.35);
  --shadow-lg:0 20px 50px rgba(0,0,0,.5);
  --ease:.25s cubic-bezier(.4,0,.2,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-0);
  color:var(--text-1);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
img{display:block;max-width:100%}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;border:none;background:none;color:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-container{max-width:1200px}
h1,h2,h3,h4{font-weight:600;line-height:1.3;color:var(--text-1)}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:22px}
@media(max-width:640px){
  h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:18px}
}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Header & Nav */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);
  background:rgba(6,11,24,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--glass-border);
  transition:background var(--ease);
}
.site-header:hover{background:rgba(6,11,24,.92)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;height:100%;
  gap:16px;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  font-size:20px;font-weight:700;letter-spacing:.02em;
}
.brand-icon{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 4px 18px rgba(var(--primary-rgb),.35);
}
.brand-text{white-space:nowrap;background:linear-gradient(90deg,var(--text-1),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:flex;align-items:center}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a,.main-nav .current{
  display:block;padding:8px 16px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:all var(--ease);position:relative;
}
.main-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.main-nav a.active{color:var(--text-1);background:rgba(var(--primary-rgb),.18)}
.main-nav a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.mega-trigger{
  display:flex;align-items:center;gap:8px;padding:9px 18px;border-radius:10px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  font-size:14px;font-weight:500;color:var(--text-2);cursor:pointer;
  transition:all var(--ease);
}
.mega-trigger:hover{border-color:var(--accent);color:var(--text-1);box-shadow:0 0 18px rgba(var(--accent-rgb),.25)}
.mega-trigger.active{border-color:var(--accent);color:var(--text-1)}
.menu-toggle{display:none;flex-direction:column;gap:5px;padding:10px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--text-1);border-radius:2px;transition:all var(--ease)}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mega Panel */
.mega-panel{
  position:fixed;top:var(--header-h);left:0;right:0;z-index:999;
  background:rgba(10,18,38,.96);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--glass-border);
  box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:all .3s var(--ease);
}
.mega-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-panel-inner{padding:32px 24px}
.mega-col-title{
  display:block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--text-3);margin-bottom:16px;text-transform:uppercase;
}
.mega-link{
  display:flex;align-items:center;gap:12px;padding:12px 14px;
  border-radius:12px;background:var(--glass-bg);border:1px solid transparent;
  margin-bottom:10px;transition:all var(--ease);
}
.mega-link:hover{background:var(--glass-bg-hover);border-color:var(--glass-border)}
.mega-link-icon{
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(var(--primary-rgb),.15);color:var(--accent);font-size:15px;flex-shrink:0;
}
.mega-link-text{font-size:15px;color:var(--text-1)}
.mega-post{
  display:flex;flex-direction:column;gap:4px;padding:12px 14px;
  border-radius:12px;margin-bottom:10px;background:transparent;
  transition:background var(--ease);
}
.mega-post:hover{background:var(--glass-bg)}
.mega-post-title{font-size:14px;color:var(--text-2);line-height:1.5;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mega-post-time{font-size:12px;color:var(--text-3)}
.mega-entry-card{
  display:flex;align-items:center;gap:14px;padding:20px;
  border-radius:14px;background:linear-gradient(135deg,rgba(var(--primary-rgb),.18),rgba(var(--accent-rgb),.12));
  border:1px solid rgba(var(--primary-rgb),.3);
}
.mega-entry-icon{width:44px;height:44px;border-radius:12px;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;flex-shrink:0}
.mega-entry-card strong{display:block;font-size:15px;margin-bottom:2px}
.mega-entry-card span{font-size:13px;color:var(--text-2)}
.mega-entry-btn{
  margin-left:auto;padding:8px 18px;border-radius:8px;background:var(--primary);
  color:#fff;font-size:14px;white-space:nowrap;transition:all var(--ease);
}
.mega-entry-btn:hover{background:#2a7dff;box-shadow:0 0 18px rgba(var(--primary-rgb),.4)}

/* Mobile menu */
.mobile-menu{
  display:none;position:fixed;top:var(--header-h);left:0;right:0;z-index:998;
  background:var(--bg-1);border-bottom:1px solid var(--glass-border);
  padding:16px 24px 24px;
}
.mobile-menu a{
  display:block;padding:14px 12px;font-size:16px;color:var(--text-2);
  border-radius:10px;transition:all var(--ease);
}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--text-1);background:var(--glass-bg)}
.mobile-menu a.active{border-left:3px solid var(--accent)}

/* Breadcrumb */
.breadcrumb-bar{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05);margin-top:var(--header-h);background:var(--bg-1)}
.breadcrumb-bar .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-1)}@media(max-width:640px){.breadcrumb-bar{padding:10px 0}}

/* Category Hero */
.category-hero{
  position:relative;min-height:340px;display:flex;align-items:center;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:80px 0 60px;overflow:hidden;
}
.category-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,11,24,.92) 20%,rgba(27,109,247,.55) 70%,rgba(45,226,198,.25) 100%);
}
.category-hero::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 70% 20%,rgba(45,226,198,.12),transparent 55%);
  pointer-events:none;
}
.hero-content{position:relative;z-index:2;max-width:780px}
.hero-content h1{font-size:40px;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-content h1 em{font-style:normal;color:var(--accent)}
.hero-lead{font-size:17px;color:var(--text-2);line-height:1.8;margin-bottom:24px;max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags .tag{
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:500;
  background:rgba(255,255,255,.08);border:1px solid var(--glass-border);color:var(--text-1);
}
.hero-tags .tag i{color:var(--accent);margin-right:6px;font-size:12px}
@media(max-width:640px){.category-hero{min-height:290px;padding:56px 0 40px}.hero-content h1{font-size:30px}.hero-lead{font-size:15px}}

/* Main layout */
.category-main{padding:60px 0 20px;background:var(--bg-0)}
@media(max-width:640px){.category-main{padding:36px 0 12px}}
.main-col{margin-bottom:40px}
.sidebar-col{margin-bottom:40px}

/* Intro card */
.intro-card{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--r-lg);padding:28px 30px;margin-bottom:48px;
  position:relative;overflow:hidden;
}
.intro-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(var(--accent-rgb),.5),transparent);
}
.intro-card p{color:var(--text-2)}
.intro-card strong{color:var(--text-1)}
@media(max-width:640px){.intro-card{padding:20px}}

/* Alt blocks */
.alt-block{margin-bottom:56px}
.alt-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-border);box-shadow:var(--shadow-md);
}
.alt-media img{width:100%;height:100%;object-fit:cover;min-height:240px}
.alt-media .media-tag{
  position:absolute;top:14px;left:14px;padding:4px 12px;border-radius:999px;
  background:rgba(6,11,24,.75);backdrop-filter:blur(8px);border:1px solid var(--glass-border);
  font-size:12px;color:var(--accent);letter-spacing:.04em;
}
.alt-content .section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--accent);margin-bottom:10px;letter-spacing:.08em;
}
.alt-content .section-kicker::before{content:'';width:18px;height:2px;background:var(--accent);border-radius:2px}
.alt-content h2{font-size:28px;margin-bottom:14px}
.alt-content p{color:var(--text-2);font-size:15px;margin-bottom:16px}
.alt-list{margin-top:16px}
.alt-list li{
  display:flex;align-items:flex-start;gap:10px;padding:8px 0;
  color:var(--text-2);font-size:15px;border-bottom:1px dashed rgba(255,255,255,.07);
}
.alt-list li:last-child{border-bottom:none}
.alt-list li i{color:var(--accent);font-size:14px;margin-top:4px;flex-shrink:0}
@media(max-width:1024px){
  .alt-block .cell{margin-bottom:24px}
  .alt-block.reversed .alt-media{order:0}
  .alt-block.reversed .alt-content{order:1}
}

/* Tip box */
.tip-box{
  display:flex;gap:16px;padding:22px 26px;border-radius:var(--r-md);
  background:rgba(var(--accent-rgb),.07);border:1px solid rgba(var(--accent-rgb),.22);
  margin:20px 0 48px;
}
.tip-box .tip-icon{
  width:40px;height:40px;border-radius:10px;flex-shrink:0;
  background:rgba(var(--accent-rgb),.15);display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:17px;
}
.tip-box .tip-title{font-weight:600;color:var(--text-1);margin-bottom:4px;font-size:16px}
.tip-box p{color:var(--text-2);font-size:14px;margin-bottom:0}
@media(max-width:640px){.tip-box{flex-direction:column;gap:10px;padding:16px}}

/* Sidebar */
.side-card{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--r-md);padding:24px;margin-bottom:20px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.side-card:hover{border-color:rgba(var(--accent-rgb),.3);box-shadow:0 0 0 1px rgba(var(--accent-rgb),.12)}
.side-card-title{
  font-size:16px;font-weight:600;color:var(--text-1);margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.side-card-title i{color:var(--accent);font-size:15px}
.side-card-title::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.18),transparent)}
.toc-list li{margin-bottom:4px}
.toc-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;
  font-size:14px;color:var(--text-2);transition:all var(--ease);
}
.toc-list a:hover{color:var(--text-1);background:rgba(var(--primary-rgb),.12)}
.toc-list a i{font-size:12px;color:var(--primary);width:16px;text-align:center}
.related-list li{margin-bottom:8px}
.related-list a{
  display:block;padding:12px 14px;border-radius:10px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  color:var(--text-2);font-size:14px;transition:all var(--ease);
}
.related-list a:hover{border-color:var(--accent);color:var(--text-1);transform:translateX(3px)}
.related-list a i{color:var(--accent);margin-right:8px;font-size:13px}
.side-list li{padding:10px 2px;border-bottom:1px dashed rgba(255,255,255,.08)}
.side-list li:last-child{border-bottom:none}
.side-list-title{display:block;font-size:14px;color:var(--text-2);line-height:1.55;transition:color var(--ease)}
.side-list-title:hover{color:var(--text-1)}
.side-list-time{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.empty-hint{font-size:14px;color:var(--text-3);text-align:center;padding:20px 0}
.entry-card{
  background:linear-gradient(135deg,rgba(var(--primary-rgb),.2),rgba(var(--accent-rgb),.12));
  border:1px solid rgba(var(--primary-rgb),.3);text-align:center;
}
.entry-card .entry-icon{
  width:48px;height:48px;border-radius:14px;margin:0 auto 14px;
  background:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;box-shadow:0 6px 20px rgba(var(--primary-rgb),.4);
}
.entry-card h3{font-size:18px;margin-bottom:6px}
.entry-card p{font-size:14px;color:var(--text-2);margin-bottom:18px}
.btn-block{width:100%;display:flex;justify-content:center}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:10px;
  font-size:16px;font-weight:500;cursor:pointer;
  transition:all var(--ease);border:none;text-decoration:none;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;box-shadow:0 6px 28px rgba(var(--primary-rgb),.4),0 0 18px rgba(var(--accent-rgb),.2);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 34px rgba(var(--primary-rgb),.5),0 0 26px rgba(var(--accent-rgb),.3);color:#fff}
.btn-secondary{
  background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-1);
}
.btn-secondary:hover{border-color:var(--accent);color:#fff;box-shadow:0 0 18px rgba(var(--accent-rgb),.15)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
@media(max-width:640px){.btn{width:100%;padding:0 18px}}

/* Process section */
.process-section{
  padding:72px 0;background:var(--bg-1);border-top:1px solid rgba(255,255,255,.05);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.section-head{text-align:center;margin-bottom:48px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--accent);letter-spacing:.1em;margin-bottom:10px;
}
.section-head .kicker::before,.section-head .kicker::after{content:'';width:16px;height:1px;background:var(--accent)}
.section-head h2{font-size:32px;margin-bottom:12px}
.section-head p{color:var(--text-3);font-size:15px;max-width:560px;margin:0 auto}
.process-grid{margin-top:20px}
.process-step{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--r-lg);padding:30px 26px;height:100%;
  position:relative;transition:all var(--ease);
}
.process-step:hover{border-color:rgba(var(--accent-rgb),.35);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-num{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));font-weight:700;font-size:17px;color:#fff;
  margin-bottom:18px;box-shadow:0 6px 18px rgba(var(--primary-rgb),.3);
}
.process-step h3{font-size:18px;margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-2);margin-bottom:0}
.step-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:var(--accent);font-weight:500}
.step-link i{transition:transform var(--ease)}
.step-link:hover i{transform:translateX(4px)}
@media(max-width:640px){.process-grid .cell{margin-bottom:16px}.process-step{padding:20px}}

/* FAQ section */
.faq-section{padding:72px 0;background:var(--bg-0)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.open{border-color:rgba(var(--accent-rgb),.35)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;width:100%;text-align:left;cursor:pointer;
  color:var(--text-1);font-size:16px;font-weight:500;transition:color var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  width:30px;height:30px;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:rgba(var(--accent-rgb),.12);color:var(--accent);font-size:14px;
  transition:transform var(--ease),background var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent);color:#06304b}
.faq-a{display:none;padding:0 24px 22px;border-left:2px solid var(--accent);margin:0 24px 16px;color:var(--text-2);font-size:15px;line-height:1.8}
.faq-a ul{margin-top:10px}
.faq-a li{position:relative;padding-left:18px;margin-bottom:6px}
.faq-a li::before{content:'›';position:absolute;left:0;color:var(--accent);font-weight:700}
.faq-item.open .faq-a{display:block}
@media(max-width:640px){.faq-q{padding:16px 18px;font-size:15px}.faq-a{padding:0 18px 18px;margin:0 18px 12px}}

/* CTA section */
.cta-section{padding:64px 0 80px;background:var(--bg-1);border-top:1px solid rgba(255,255,255,.05)}
.cta-card{
  position:relative;border-radius:24px;padding:60px 48px;text-align:center;
  background:var(--bg-2);border:1px solid rgba(255,255,255,.12);
  overflow:hidden;box-shadow:var(--shadow-lg);
}
.cta-card::before{
  content:'';position:absolute;inset:-1px;border-radius:24px;padding:1px;
  background:linear-gradient(120deg,var(--primary),transparent 40%,transparent 60%,var(--accent));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-card::after{
  content:'';position:absolute;top:0;left:20%;right:20%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(var(--accent-rgb),.6),transparent);
}
.cta-card h2{font-size:30px;margin-bottom:14px}
.cta-card p{color:var(--text-2);font-size:16px;max-width:540px;margin:0 auto 30px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
@media(max-width:640px){.cta-card{padding:36px 20px}.cta-actions{flex-direction:column}}

/* Footer */
.site-footer{
  background:var(--bg-0);border-top:1px solid rgba(255,255,255,.06);
  padding-top:60px;
}
.footer-top{padding-bottom:40px}
.footer-brand .brand-logo{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:260px;line-height:1.7}
.footer-col-title{
  font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.footer-col-title i{color:var(--accent);font-size:14px}
.footer-links li{margin-bottom:8px}
.footer-links a{
  font-size:14px;color:var(--text-2);transition:all var(--ease);
  display:inline-flex;align-items:center;gap:6px;
}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact p{font-size:14px;color:var(--text-2);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.footer-contact i{color:var(--accent);width:18px}
.footer-contact .safe{color:var(--text-3);font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding:22px 0;
}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}
.beian-slot{font-size:13px;color:var(--text-3)}
@media(max-width:640px){
  .footer-top .cell{margin-bottom:28px}
  .footer-bottom-inner{flex-direction:column;text-align:center}
}

/* Float CTA */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:950;
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:22px;cursor:pointer;box-shadow:0 8px 30px rgba(var(--primary-rgb),.45);
  transition:all var(--ease);
}
.float-cta span{
  max-width:0;overflow:hidden;white-space:nowrap;font-size:14px;font-weight:500;
  opacity:0;transition:all var(--ease);
}
.float-cta:hover{
  width:auto;border-radius:28px;padding:0 20px;gap:8px;transform:scale(1.02);
}
.float-cta:hover span{max-width:120px;opacity:1}
@media(max-width:640px){
  .float-cta{width:48px;height:48px;right:16px;bottom:16px;font-size:18px}
  .float-cta:hover{width:48px;padding:0}
  .float-cta:hover span{max-width:0;opacity:0}
}

/* Foundation overrides */
.grid-margin-x>.cell{margin-bottom:0}
.grid-margin-x>.cell.small-12,.grid-margin-x>.cell.medium-12,.grid-margin-x>.cell.large-12{margin-bottom:0}
.button{transition:all var(--ease)}

/* Responsive */
@media(max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .mega-trigger span{display:none}
  .mega-trigger{width:44px;height:44px;justify-content:center;padding:0}
  .mega-panel{top:var(--header-h)}
  .mega-panel-inner{padding:24px}
  .mega-col{margin-bottom:20px}
  .category-hero{padding:64px 0 48px}
}
@media(max-width:640px){
  .header-inner{gap:10px;padding:0 16px}
  .brand-text{font-size:17px}
  .brand-logo{gap:8px}
  .brand-icon{width:34px;height:34px;font-size:14px}
  .category-hero{min-height:280px;padding:52px 0 38px}
  .hero-content h1{font-size:28px;line-height:1.3}
  .hero-tags .tag{font-size:12px;padding:4px 10px}
  .section-head h2{font-size:24px}
  .cta-card h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .grid-margin-x>.cell{margin-bottom:20px}
}