/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --bg-app: #081020;
  --bg-deep: #060C18;
  --bg-panel: rgba(255,255,255,0.04);
  --bg-panel-hover: rgba(255,255,255,0.08);
  --border-glass: rgba(255,255,255,0.08);
  --border-glass-strong: rgba(255,255,255,0.18);
  --primary: #00E5C4;
  --primary-dark: #00B4D8;
  --accent: #FFC758;
  --accent-dark: #FF9A3D;
  --text-main: #D8E0F0;
  --text-sub: rgba(216,224,240,0.7);
  --text-muted: rgba(216,224,240,0.45);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 40px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 24px rgba(0,229,196,0.25);
  --shadow-glow-gold: 0 0 24px rgba(255,199,88,0.12);
  --section-pad: clamp(64px, 10vw, 120px);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: linear-gradient(180deg, #0B1628 0%, var(--bg-app) 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
a:hover { color: var(--primary); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}
h1, h2, h3, h4 {
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.3;
  margin: 0;
}
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
section[id] { scroll-margin-top: 90px; }

/* ========== 容器 ========== */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== 通用板块 ========== */
.section {
  padding-top: var(--section-pad);
  padding-bottom: var(--section-pad);
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(24px, 3.5vw, 40px);
  letter-spacing: 0.02em;
}
.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  margin-top: 12px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== 顶部导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: rgba(10,16,32,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}
.site-header.scrolled {
  background: rgba(8,16,32,0.92);
  border-bottom-color: rgba(255,255,255,0.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.header-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: 999px;
  position: relative;
  transition: color 0.25s ease, background 0.25s ease;
}
.header-nav a:hover {
  color: var(--primary);
  background: rgba(0,229,196,0.08);
}
.header-nav a.active {
  color: var(--primary);
}
.header-nav a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 3px;
  background: var(--primary);
  border-radius: 999px;
}
.header-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}
.header-logo .logo-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  margin-right: 6px;
  box-shadow: 0 0 12px rgba(0,229,196,0.5);
}
.header-logo span.gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
}
.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: #FFFFFF;
  margin: 2px 0;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.mobile-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(8,16,32,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 16px 24px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  transition: background 0.25s ease, color 0.25s ease;
}
.mobile-menu a:hover {
  background: rgba(0,229,196,0.08);
  color: var(--primary);
}
.mobile-menu a.active {
  color: var(--primary);
  background: rgba(0,229,196,0.06);
}

/* ========== 按钮 ========== */
.btn-download, .btn-outline, .btn-gold, .btn-platform {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-download {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #062A2C;
  box-shadow: 0 0 24px rgba(0,229,196,0.25);
}
.btn-download:hover {
  color: #062A2C;
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0,229,196,0.45);
}
.btn-download:active {
  transform: translateY(0);
  box-shadow: 0 0 16px rgba(0,229,196,0.2);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.25);
  color: #FFFFFF;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255,255,255,0.06);
  transform: translateY(-2px);
}
.btn-gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #2A1A04;
  box-shadow: 0 0 24px rgba(255,199,88,0.2);
}
.btn-gold:hover {
  color: #2A1A04;
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(255,199,88,0.35);
}
.btn-platform {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.18);
  color: #FFFFFF;
  min-width: 170px;
}
.btn-platform:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0,229,196,0.08);
  transform: translateY(-2px);
}
.btn-platform i { font-size: 20px; }
.btn-platform.btn-gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent;
  color: #2A1A04;
}
.btn-platform.btn-gold:hover {
  color: #2A1A04;
  box-shadow: 0 0 40px rgba(255,199,88,0.35);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
  background: linear-gradient(180deg, #0B1628 0%, #081020 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(600px 400px at 8% 20%, rgba(0,229,196,0.12), transparent),
    radial-gradient(700px 450px at 92% 85%, rgba(255,199,88,0.08), transparent);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}
.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
  letter-spacing: 0.01em;
}
.hero-title .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  margin-top: 20px;
  font-size: clamp(16px, 2vw, 22px);
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  gap: 20px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-badge {
  text-align: center;
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  min-width: 100px;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}
.hero-badge:hover {
  border-color: rgba(255,199,88,0.35);
  background: rgba(255,199,88,0.05);
  transform: translateY(-2px);
}
.hero-badge .badge-num {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
}
.hero-badge .badge-label {
  display: block;
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 2px;
  white-space: nowrap;
}
.hero-visual { position: relative; }
.hero-device {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  background: rgba(11,22,40,0.7);
  aspect-ratio: 4/5;
}
.hero-device img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}
.hero-device::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,16,32,0.15) 0%, rgba(8,16,32,0) 50%, rgba(8,16,32,0.3) 100%);
}
.float-dot {
  position: absolute;
  border-radius: 10%;
  background: var(--primary);
  opacity: 0.5;
  box-shadow: 0 0 20px rgba(0,229,196,0.6);
  animation: floatDot 4s ease-in-out infinite;
  z-index: 3;
}
.dot-1 { width: 14px; height: 14px; top: 18%; right: 12px; }
.dot-2 { width: 10px; height: 10px; top: 48%; left: -4px; animation-delay: 1.2s; }
.dot-3 { width: 8px; height: 8px; bottom: 14%; right: 0; opacity: 0.4; background: var(--accent); box-shadow: 0 0 14px rgba(255,199,88,0.5); animation-delay: 2.4s; }
@keyframes floatDot {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ========== 数据信任条 ========== */
.stats-bar {
  position: relative;
  z-index: 5;
  padding: 0 0 clamp(48px, 6vw, 72px);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.stat-item { text-align: center; padding: 8px 12px; }
.stat-num {
  display: block;
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
}
.stat-label {
  display: block;
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 4px;
}

/* ========== 功能亮点 ========== */
.features-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.features-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-card);
}
.features-media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.features-media:hover img { transform: scale(1.03); }
.features-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0,229,196,0.06), rgba(8,16,32,0.2));
}
.features-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.feature-item {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}
.feature-item:hover {
  border-color: rgba(0,229,196,0.25);
  background: rgba(255,255,255,0.06);
  transform: translateY(-3px);
}
.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0,229,196,0.15), rgba(0,180,216,0.1));
  border: 1px solid rgba(0,229,196,0.2);
  color: var(--primary);
  font-size: 18px;
}
.feature-text h3 { font-size: 17px; margin-bottom: 6px; }
.feature-text p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 0;
}

/* ========== 截图轮播 ========== */
.gallery {
  background: rgba(6,12,24,0.5);
}
.gallery-carousel-wrap {
  padding-bottom: 48px;
  position: relative;
}
.gallery-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.gallery-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 8px 40px rgba(0,0,0,0.35);
  background: rgba(255,255,255,0.03);
}
.gallery-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-card:hover img { transform: scale(1.04); }
.gallery .carousel-inner { padding-bottom: 12px; }
.gallery .carousel-control-prev,
.gallery .carousel-control-next {
  width: 42px;
  height: 42px;
  top: 50%;
  transform: translateY(-50%);
  bottom: auto;
  background: rgba(8,16,32,0.7);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  opacity: 1;
  z-index: 10;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.gallery .carousel-control-prev { left: 12px; }
.gallery .carousel-control-next { right: 12px; }
.gallery .carousel-control-prev:hover,
.gallery .carousel-control-next:hover {
  background: rgba(0,229,196,0.15);
  border-color: rgba(0,229,196,0.4);
  transform: translateY(-50%) scale(1.05);
}
.gallery .carousel-control-prev i,
.gallery .carousel-control-next i {
  color: var(--primary);
  font-size: 16px;
}
.gallery .carousel-indicators {
  bottom: -40px;
  margin: 0;
}
.gallery .carousel-indicators [data-bs-target] {
  width: 24px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,0.3);
  border: 0;
  opacity: 1;
  transition: background 0.3s ease, width 0.3s ease;
}
.gallery .carousel-indicators [data-bs-target].active {
  background: var(--primary);
}

/* ========== 系统要求 ========== */
.system-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.system-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.system-card:hover {
  border-color: rgba(0,229,196,0.2);
  transform: translateY(-4px);
}
.system-card.recommended {
  border-color: rgba(255,199,88,0.25);
  box-shadow: 0 8px 40px rgba(0,0,0,0.35), var(--shadow-glow-gold);
}
.system-card h3 { font-size: 20px; margin-bottom: 24px; }
.system-card.recommended h3 {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.rec-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 6px 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #2A1A04;
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  line-height: 1;
}
.system-list { margin: 0; }
.system-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.system-item:last-child { border-bottom: none; }
.system-item dt {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(0,229,196,0.08);
  border: 1px solid rgba(0,229,196,0.15);
  color: var(--primary);
  font-size: 16px;
  margin: 0;
}
.system-card.recommended .system-item dt {
  background: rgba(255,199,88,0.08);
  border-color: rgba(255,199,88,0.2);
  color: var(--accent);
}
.system-item dd {
  margin: 0;
  flex: 1;
}
.system-item dd strong {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}
.system-item dd span {
  font-size: 15px;
  color: var(--text-main);
  line-height: 1.5;
}

/* ========== 评价墙 ========== */
.review-summary { text-align: center; margin-bottom: 40px; }
.review-score {
  display: block;
  font-size: 64px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-family: var(--font-mono);
}
.review-stars {
  color: var(--accent);
  font-size: 20px;
  margin: 10px 0 8px;
  letter-spacing: 3px;
}
.review-count { font-size: 14px; color: var(--text-muted); }
.review-card {
  height: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.review-card:hover {
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.06);
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0,0,0,0.35);
}
.review-card .quote {
  font-size: 32px;
  color: var(--accent);
  opacity: 0.8;
  line-height: 1;
  margin-bottom: 14px;
}
.review-card p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
  flex: 1;
  margin: 0;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.review-user img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,199,88,0.4);
}
.review-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
}
.review-stars-sm {
  color: var(--accent);
  font-size: 13px;
  margin-top: 2px;
  letter-spacing: 2px;
}

/* ========== 最新资讯 ========== */
.news {
  background: rgba(6,12,24,0.5);
}
.news-card {
  height: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,196,0.25);
  box-shadow: 0 12px 48px rgba(0,0,0,0.35), 0 0 20px rgba(0,229,196,0.08);
}
.news-card-cover {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.news-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-card-cover img { transform: scale(1.04); }
.badge-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  background: rgba(8,16,32,0.7);
  border: 1px solid rgba(255,199,88,0.35);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
}
.news-card-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card-title {
  font-size: 17px;
  line-height: 1.5;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-title a { color: #FFFFFF; }
.news-card-title a:hover { color: var(--primary); }
.news-card-summary {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}
.news-card-date { font-family: var(--font-mono); font-size: 12px; }
.news-empty {
  text-align: center;
  padding: 60px 24px;
  background: rgba(255,255,255,0.03);
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
}
.news-empty i { font-size: 42px; color: var(--text-muted); margin-bottom: 16px; }
.news-empty p { color: var(--text-sub); font-size: 15px; }

/* ========== FAQ ========== */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}
.accordion-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.accordion-item:not(:first-of-type) {
  border-top: 1px solid rgba(255,255,255,0.08);
}
.accordion-button {
  background: transparent;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  box-shadow: none;
  gap: 12px;
  align-items: center;
}
.accordion-button:hover { background: rgba(255,199,88,0.03); }
.accordion-button:not(.collapsed) {
  background: rgba(255,199,88,0.03);
  color: #FFFFFF;
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: none;
  border-color: rgba(0,229,196,0.3);
}
.q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #2A1A04;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
  line-height: 1;
}
.accordion-button::after {
  background: none;
  font-family: "Font Awesome 6 Free";
  content: "\f067";
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
  width: auto;
  height: auto;
  transition: transform 0.3s ease;
}
.accordion-button:not(.collapsed)::after {
  transform: rotate(45deg);
  background: none;
  color: var(--primary);
}
.accordion-body {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
  padding: 0 22px 22px 58px;
}

/* ========== 下载 CTA ========== */
.download-cta { position: relative; overflow: hidden; }
.cta-panel {
  position: relative;
  background: rgba(6,12,24,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
  padding: clamp(48px, 8vw, 80px) 32px;
  text-align: center;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 300px at 20% 0%, rgba(0,229,196,0.1), transparent),
    radial-gradient(500px 300px at 85% 100%, rgba(255,199,88,0.08), transparent);
  pointer-events: none;
}
.cta-panel h2 {
  position: relative;
  font-size: clamp(24px, 3.5vw, 40px);
  margin-bottom: 14px;
}
.cta-panel p {
  position: relative;
  color: var(--text-sub);
  font-size: 17px;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  padding-top: 64px;
  margin-top: 40px;
  border-top: 1px solid rgba(0,229,196,0.12);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.footer-logo .logo-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  margin-right: 6px;
  box-shadow: 0 0 12px rgba(0,229,196,0.5);
}
.footer-logo span.gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-brand p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  max-width: 340px;
}
.footer-col h4 {
  font-size: 15px;
  color: #FFFFFF;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: color 0.25s ease;
}
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  color: var(--text-muted);
}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
  .header-nav-left,
  .header-nav-right { display: none; }
  .mobile-toggle { display: flex; }
  .header-inner { justify-content: center; }
  .header-logo {
    position: static;
    transform: none;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 20px;
  }
  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }
  .hero-visual {
    max-width: 460px;
    margin: 0 auto;
  }
  .features-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .system-grid { grid-template-columns: 1fr; }
  .gallery-slide-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767.98px) {
  .section {
    padding-top: clamp(48px, 8vw, 64px);
    padding-bottom: clamp(48px, 8vw, 64px);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 20px;
  }
  .gallery-slide-grid { grid-template-columns: 1fr; }
  .gallery-slide-grid .gallery-card:nth-child(n+2) { display: none; }
  .gallery .carousel-control-prev { left: 4px; }
  .gallery .carousel-control-next { right: 4px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-download,
  .hero-actions .btn-outline { width: 100%; }
  .hero-badges { gap: 12px; }
  .hero-badge {
    flex: 1;
    min-width: 90px;
    padding: 10px 8px;
  }
  .hero-badge .badge-num { font-size: 18px; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .btn-platform { width: 100%; max-width: 280px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .accordion-body { padding-left: 22px; padding-top: 0; }
  .accordion-button { font-size: 15px; }
}

@media (max-width: 575.98px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .system-card {
    padding: 28px 22px;
    border-radius: var(--radius-md);
  }
  .gallery-card,
  .review-card,
  .news-card { border-radius: var(--radius-md); }
  .review-card { padding: 22px 20px; }
}

/* roulang page: category1 */
:root{
  --bg-app:#081020;
  --bg-deep:#060C18;
  --bg-panel:#0B1628;
  --bg-glass:rgba(255,255,255,0.04);
  --bg-glass-hover:rgba(255,255,255,0.07);
  --border-glass:rgba(255,255,255,0.08);
  --border-glass-hover:rgba(0,229,196,0.25);
  --primary:#00E5C4;
  --primary-dark:#00B4D8;
  --accent:#FFC758;
  --accent-dark:#FF9A3D;
  --text-main:#D8E0F0;
  --text-sub:rgba(216,224,240,0.7);
  --text-muted:rgba(216,224,240,0.45);
  --radius-card:20px;
  --radius-btn:12px;
  --radius-icon:16px;
  --radius-img:16px;
  --shadow-card:0 8px 40px rgba(0,0,0,0.35);
  --shadow-primary:0 0 24px rgba(0,229,196,0.25);
  --shadow-primary-hover:0 0 40px rgba(0,229,196,0.45);
  --shadow-accent:0 0 24px rgba(255,199,88,0.12);
  --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:linear-gradient(180deg,#0B1628 0%,var(--bg-app) 40%,#060C18 100%);
  color:var(--text-main);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:rgba(255,255,255,0.85);transition:all .3s ease}
a:hover{color:var(--primary)}
button,input{font-family:inherit}
.container{max-width:1320px}
.section-pad{padding:clamp(64px,10vw,120px) 0}
.section-title{font-size:clamp(24px,3.5vw,40px);font-weight:800;color:#fff;letter-spacing:-0.5px;margin-bottom:16px;line-height:1.3}
.section-sub{font-size:clamp(16px,2vw,20px);color:var(--text-sub);max-width:720px;margin:0 auto 48px;line-height:1.7}
.text-gold{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* ========== Header ========== */
.site-header{
  position:fixed;top:0;left:0;right:0;height:72px;z-index:1000;
  background:rgba(10,16,32,0.75);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:all .35s ease;
}
.site-header.scrolled{
  background:rgba(6,12,24,0.92);
  border-bottom-color:rgba(255,255,255,0.08);
  box-shadow:0 8px 32px rgba(0,0,0,0.4);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;
}
.header-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.header-nav a{
  position:relative;font-size:14px;color:rgba(255,255,255,0.8);
  padding:8px 14px;border-radius:8px;font-weight:500;white-space:nowrap;
  transition:color .3s ease,background .3s ease;
}
.header-nav a:hover{color:var(--primary);background:rgba(255,255,255,0.04)}
.header-nav a.active{color:var(--primary)}
.header-nav a.active::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
  border-radius:999px;box-shadow:0 0 12px rgba(0,229,196,0.5);
}
.header-logo{
  display:flex;align-items:center;gap:10px;color:#fff;font-size:22px;font-weight:800;
  letter-spacing:1px;white-space:nowrap;flex-shrink:0;
}
.header-logo:hover{color:#fff}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  box-shadow:0 0 18px rgba(0,229,196,0.4);
  position:relative;
}
.logo-mark::after{
  content:'';position:absolute;inset:6px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  clip-path:polygon(50% 20%,80% 50%,50% 80%,20% 50%);
}
.header-logo .gold{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.mobile-toggle{
  display:none;background:rgba(255,255,255,0.06);border:1px solid var(--border-glass);
  width:44px;height:44px;border-radius:12px;color:var(--text-main);
  font-size:20px;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;
}
.mobile-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* ========== Hero ========== */
.download-hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 80px;overflow:hidden;
  background:linear-gradient(180deg,#0B1628 0%,#081020 100%);
}
.download-hero::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:60px 60px;
  pointer-events:none;
}
.download-hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 400px at 8% 20%,rgba(0,229,196,0.12),transparent 60%),
    radial-gradient(700px 500px at 92% 82%,rgba(255,199,88,0.08),transparent 60%);
}
.download-hero .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,229,196,0.12);border:1px solid rgba(0,229,196,0.25);
  color:var(--primary);font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:999px;margin-bottom:24px;
}
.hero-badge i{font-size:12px}
.download-hero h1{
  font-size:clamp(32px,5vw,56px);font-weight:800;color:#fff;
  line-height:1.2;letter-spacing:-1px;margin-bottom:20px;
}
.hero-sub{
  font-size:clamp(16px,2vw,22px);color:var(--text-sub);
  max-width:560px;line-height:1.75;margin-bottom:36px;
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.btn-custom{
  display:inline-flex;align-items:center;gap:10px;padding:14px 28px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  transition:all .35s ease;cursor:pointer;border:1px solid transparent;
}
.btn-primary-custom{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#062A2C;box-shadow:var(--shadow-primary);
}
.btn-primary-custom:hover{
  color:#062A2C;transform:translateY(-2px);
  box-shadow:var(--shadow-primary-hover);
}
.btn-outline-custom{
  background:transparent;border-color:rgba(255,255,255,0.25);color:#fff;
}
.btn-outline-custom:hover{
  border-color:var(--primary);background:rgba(255,255,255,0.06);color:var(--primary);
  transform:translateY(-2px);
}
.btn-gold-custom{
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#1A1206;box-shadow:0 0 24px rgba(255,199,88,0.2);
}
.btn-gold-custom:hover{
  color:#1A1206;transform:translateY(-2px);
  box-shadow:0 0 40px rgba(255,199,88,0.35);
}
.btn-lg-custom{padding:16px 36px;font-size:16px}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap}
.hero-stats .stat-num{
  font-size:clamp(28px,3vw,38px);font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
}
.hero-stats .stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}
.hero-visual{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--border-glass);
  box-shadow:0 24px 80px rgba(0,0,0,0.5),0 0 0 1px rgba(255,255,255,0.04);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(6,12,24,0.65) 100%);
}
.hero-visual-caption{
  position:absolute;left:24px;right:24px;bottom:20px;z-index:2;color:#fff;
}
.hero-visual-caption strong{display:block;font-size:18px;margin-bottom:4px}
.hero-visual-caption span{font-size:14px;color:var(--text-sub)}
.float-dot{
  position:absolute;width:10px;height:10px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 16px var(--primary);
  animation:floatDot 4s ease-in-out infinite;z-index:2;
}
.float-dot.dot-2{
  background:var(--accent);box-shadow:0 0 16px var(--accent);width:7px;height:7px;
  animation-delay:1.6s;
}
.float-dot.dot-3{width:5px;height:5px;animation-delay:2.8s}
@keyframes floatDot{
  0%,100%{transform:translateY(0) scale(1);opacity:.7}
  50%{transform:translateY(-18px) scale(1.25);opacity:1}
}

/* ========== 通用分栏 ========== */
.split-section{display:flex;align-items:center;gap:clamp(32px,6vw,80px)}
.split-media{flex:1.1;position:relative}
.split-content{flex:0.9}
.media-frame{
  border-radius:var(--radius-card);overflow:hidden;position:relative;
  border:1px solid var(--border-glass);box-shadow:var(--shadow-card);
}
.media-frame img{width:100%;height:auto;object-fit:cover;transition:transform .5s ease}
.media-frame:hover img{transform:scale(1.03)}
.media-frame::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(6,12,24,0.4) 100%);
  pointer-events:none;
}
.media-badge{
  position:absolute;top:20px;left:20px;z-index:2;
  background:rgba(6,12,24,0.75);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,0.1);color:var(--accent);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
}
.feature-list{list-style:none;display:flex;flex-direction:column;gap:20px}
.feature-list li{
  display:flex;gap:16px;padding:20px 24px;
  background:var(--bg-glass);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);transition:all .35s ease;
}
.feature-list li:hover{
  background:var(--bg-glass-hover);border-color:var(--border-glass-hover);
  transform:translateX(4px);box-shadow:0 4px 24px rgba(0,229,196,0.08);
}
.feature-icon{
  flex-shrink:0;width:48px;height:48px;border-radius:var(--radius-icon);
  background:linear-gradient(135deg,rgba(0,229,196,0.15),rgba(0,180,216,0.1));
  border:1px solid rgba(0,229,196,0.25);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:20px;
}
.feature-list h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px}
.feature-list p{font-size:14px;color:var(--text-sub);line-height:1.65;margin:0}

/* ========== 流程步骤 ========== */
.steps-section{
  background:linear-gradient(180deg,var(--bg-app),rgba(6,12,24,0.6));
  position:relative;
}
.steps-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(700px 400px at 85% 20%,rgba(255,199,88,0.06),transparent 60%);
  pointer-events:none;
}
.step-card{
  background:var(--bg-glass);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);padding:32px 28px;
  height:100%;transition:all .35s ease;position:relative;overflow:hidden;
}
.step-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;transition:opacity .35s ease;
}
.step-card:hover::before{opacity:1}
.step-card:hover{background:var(--bg-glass-hover);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.step-num{
  font-family:"JetBrains Mono",Consolas,monospace;
  font-size:14px;color:var(--accent);font-weight:700;
  display:inline-block;background:rgba(255,199,88,0.1);
  border:1px solid rgba(255,199,88,0.2);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-sub);line-height:1.7;margin:0}

/* ========== 系统要求 ========== */
.spec-wrapper{display:flex;gap:24px;align-items:stretch}
.spec-card{
  flex:1;background:var(--bg-glass);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);padding:32px 28px;position:relative;
  transition:all .35s ease;
}
.spec-card:hover{background:var(--bg-glass-hover)}
.spec-card.recommend{
  border-color:rgba(255,199,88,0.3);
  box-shadow:var(--shadow-accent);
}
.spec-card h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:20px;display:flex;align-items:center;gap:12px}
.spec-card.recommend h3{color:var(--accent)}
.spec-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.spec-list li{
  display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text-sub);
  padding:10px 14px;background:rgba(255,255,255,0.02);
  border-radius:12px;border:1px solid transparent;transition:all .3s ease;
}
.spec-list li:hover{
  border-color:rgba(0,229,196,0.15);background:rgba(0,229,196,0.04);
}
.spec-list i{
  width:32px;height:32px;flex-shrink:0;border-radius:8px;
  background:rgba(0,229,196,0.1);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.spec-list .spec-label{color:var(--text-muted);min-width:64px;font-size:13px}
.spec-list .spec-value{color:#fff;font-weight:600;font-size:14px;margin-left:auto;text-align:right}
.recommend-tag{
  position:absolute;top:-12px;right:24px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#1A1206;font-size:13px;font-weight:700;
  padding:4px 16px;border-radius:999px;
  box-shadow:0 4px 16px rgba(255,199,88,0.3);
}

/* ========== 场景图文 ========== */
.scene-section .split-section{margin-bottom:clamp(48px,6vw,80px)}
.scene-section .split-section:last-child{margin-bottom:0}
.scene-content h3{font-size:clamp(20px,2.5vw,28px);font-weight:700;color:#fff;margin-bottom:16px}
.scene-content p{color:var(--text-sub);font-size:15px;line-height:1.8;margin-bottom:20px}
.scene-points{list-style:none;display:flex;flex-direction:column;gap:12px}
.scene-points li{
  display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-main);
}
.scene-points i{color:var(--primary);font-size:14px;margin-top:6px}

/* ========== 资源卡片 ========== */
.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.resource-card{
  background:var(--bg-glass);border:1px solid var(--border-glass);
  border-radius:var(--radius-card);overflow:hidden;
  transition:all .35s ease;display:block;height:100%;
}
.resource-card:hover{
  transform:translateY(-4px);border-color:var(--border-glass-hover);
  box-shadow:0 8px 40px rgba(0,0,0,0.4),0 0 20px rgba(0,229,196,0.08);
}
.resource-thumb{aspect-ratio:16/9;overflow:hidden;position:relative}
.resource-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.resource-card:hover .resource-thumb img{transform:scale(1.05)}
.resource-thumb .badge-pos{
  position:absolute;right:12px;bottom:12px;z-index:2;
  background:rgba(6,12,24,0.8);backdrop-filter:blur(4px);
  color:var(--accent);font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;
}
.resource-body{padding:20px 24px 24px}
.resource-body h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.resource-body p{font-size:14px;color:var(--text-sub);line-height:1.65;margin:0}

/* ========== FAQ ========== */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--bg-glass);border:1px solid var(--border-glass);
  border-radius:16px;margin-bottom:12px;overflow:hidden;
  transition:all .35s ease;
}
.faq-item:hover{border-color:rgba(0,229,196,0.2)}
.faq-item .accordion-button{
  background:transparent;color:#fff;font-weight:600;
  padding:20px 24px;font-size:16px;box-shadow:none;
  border-radius:16px;display:flex;align-items:center;gap:12px;
}
.faq-item .accordion-button::after{display:none}
.faq-item .accordion-button:not(.collapsed){background:rgba(255,199,88,0.03);color:#fff}
.faq-q-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:#1A1206;font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.faq-arrow{
  margin-left:auto;font-size:14px;color:var(--text-muted);
  transition:transform .3s ease;flex-shrink:0;
}
.faq-item .accordion-button:not(.collapsed) .faq-arrow{transform:rotate(45deg);color:var(--accent)}
.faq-item .accordion-collapse{border-top:1px solid transparent}
.faq-item .accordion-collapse.show{border-top-color:rgba(255,255,255,0.06)}
.faq-item .accordion-body{padding:4px 24px 20px 62px;color:var(--text-sub);font-size:15px;line-height:1.75}

/* ========== CTA ========== */
.cta-section{
  position:relative;padding:clamp(64px,8vw,100px) 0;
  background:linear-gradient(135deg,#060C18,#0B1628);
  overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(500px 300px at 20% 50%,rgba(0,229,196,0.1),transparent 60%),
    radial-gradient(600px 400px at 80% 50%,rgba(255,199,88,0.08),transparent 60%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3.5vw,42px);font-weight:800;color:#fff;margin-bottom:16px}
.cta-inner p{color:var(--text-sub);font-size:clamp(15px,1.6vw,18px);margin-bottom:36px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ========== Footer ========== */
.site-footer{
  background:#060C18;padding-top:72px;
  border-top:1px solid transparent;
  position:relative;
}
.site-footer::before{
  content:'';position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,196,0.4),transparent);
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;
  padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,0.06);
}
.footer-brand .footer-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand .footer-logo:hover{color:#fff}
.footer-brand p{font-size:14px;color:var(--text-sub);line-height:1.8;max-width:360px}
.footer-col h4{
  font-size:14px;color:#fff;font-weight:700;letter-spacing:1px;
  margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
  border-radius:2px;
}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,0.7);transition:all .3s ease}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:24px 0;font-size:13px;color:var(--text-muted);flex-wrap:wrap;gap:12px;
}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--primary)}

/* ========== 响应式 ========== */
@media (min-width:992px){
  .header-nav-right{justify-content:flex-end}
}
@media (max-width:991.98px){
  .header-inner{gap:12px}
  .header-nav-left,.header-nav-right{display:none}
  .header-nav-left.open,.header-nav-right.open{
    display:flex;position:fixed;top:72px;left:0;right:0;
    flex-direction:column;background:rgba(6,12,24,0.96);backdrop-filter:blur(20px);
    padding:20px;gap:4px;border-bottom:1px solid var(--border-glass);z-index:999;
  }
  .header-nav-right.open{top:auto}
  .mobile-toggle{display:flex;order:1}
  .header-logo{order:2}
  .header-inner .header-nav-left.open{order:3}
  .header-inner .header-nav-right.open{order:4}
  .header-inner{flex-wrap:wrap}
  .header-nav a{padding:12px 16px;font-size:15px;border-radius:10px}
  .header-nav a.active::after{display:none}
  .header-nav a.active{background:rgba(0,229,196,0.1)}
  .hero-visual{margin-top:48px}
  .split-section{flex-direction:column}
  .split-section.reverse{flex-direction:column}
  .split-media,.split-content{width:100%}
  .resource-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767.98px){
  .hero-stats{gap:24px}
  .stats-item{flex:1 1 calc(50% - 24px)}
  .resource-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .spec-wrapper{flex-direction:column}
  .spec-card.recommend{margin-top:20px}
  .spec-list .spec-value{font-size:13px}
  .spec-list .spec-label{min-width:56px}
  .cta-btns{flex-direction:column;align-items:stretch}
  .cta-btns .btn-custom{justify-content:center}
  .section-pad{padding:48px 0 64px}
  .footer-bottom{flex-direction:column;text-align:center}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .hero-ctas .btn-custom{justify-content:center}
  .download-hero{min-height:auto;padding:110px 0 60px}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .header-logo{font-size:18px}
  .logo-mark{width:34px;height:34px}
  .header-inner{gap:8px}
  .resource-card .resource-body{padding:18px 20px}
  .step-card{padding:24px 20px}
  .spec-card{padding:24px 20px}
  .faq-item .accordion-button{padding:16px 18px;font-size:15px}
  .faq-item .accordion-body{padding-left:52px;font-size:14px}
  .feature-list li{padding:16px 18px;gap:12px}
  .feature-icon{width:42px;height:42px;font-size:18px}
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
  --bg-app: #081020;
  --bg-app-2: #0B1628;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.07);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(0, 229, 196, 0.25);
  --primary: #00E5C4;
  --primary-deep: #00B4D8;
  --accent: #FFC758;
  --accent-deep: #FF9A3D;
  --text-main: #D8E0F0;
  --text-sub: rgba(216, 224, 240, 0.7);
  --text-muted: rgba(216, 224, 240, 0.45);
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-icon: 16px;
  --radius-img: 16px;
  --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.35);
  --shadow-primary: 0 0 24px rgba(0, 229, 196, 0.25);
  --shadow-primary-hover: 0 0 40px rgba(0, 229, 196, 0.45);
  --shadow-accent: 0 0 24px rgba(255, 199, 88, 0.12);
  --section-pad: clamp(64px, 10vw, 120px);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
}

/* ===== Reset ===== */
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: linear-gradient(180deg, var(--bg-app-2) 0%, var(--bg-app) 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
*, *::before, *::after { box-sizing: border-box; }
a { color: rgba(255, 255, 255, 0.85); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font-family: var(--font-main); }
.container { max-width: 1320px; padding-left: 24px; padding-right: 24px; }

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(10, 16, 32, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(8, 16, 32, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}
.header-wrap {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  max-width: 1440px;
  margin: 0 auto;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.header-nav-left { justify-content: flex-start; }
.header-nav-right { justify-content: flex-end; }
.header-nav a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  border-radius: 8px;
  line-height: 1.4;
  transition: color 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}
.header-nav a:hover { color: var(--primary); background: rgba(0, 229, 196, 0.06); }
.header-nav a.active {
  color: var(--primary);
  background: rgba(0, 229, 196, 0.1);
  box-shadow: inset 0 -2px 0 rgba(0, 229, 196, 0.5);
  font-weight: 600;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
  padding: 0 12px;
}
.brand-logo .logo-mark {
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  transform: rotate(45deg);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(0, 229, 196, 0.5);
  display: block;
}
.brand-logo .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}
.brand-logo .site-suffix {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 400;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(8, 16, 32, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 24px;
  display: none;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  padding: 10px 14px;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
}
.mobile-nav a:hover { background: rgba(0, 229, 196, 0.08); color: var(--primary); }
.mobile-nav a.active { color: var(--primary); background: rgba(0, 229, 196, 0.1); }

/* ===== Hero ===== */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(180deg, #0B1628 0%, #081020 100%);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.page-hero::after {
  content: "";
  position: absolute;
  left: -120px;
  top: -80px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(0, 229, 196, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-glow-right {
  position: absolute;
  right: -100px;
  bottom: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 199, 88, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 196, 0.08);
  border: 1px solid rgba(0, 229, 196, 0.2);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.hero-tag i { font-size: 12px; }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.page-hero h1 .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero .hero-sub {
  font-size: clamp(16px, 2vw, 22px);
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 36px;
}
.hero-stat-item .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
  line-height: 1.2;
}
.hero-stat-item .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}
.hero-visual {
  position: relative;
}
.hero-visual .visual-frame {
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  padding: 12px;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  position: relative;
}
.hero-visual .visual-frame img {
  width: 100%;
  border-radius: 16px;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}
.hero-visual .float-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(0, 229, 196, 0.6);
  box-shadow: 0 0 20px rgba(0, 229, 196, 0.4);
  animation: floatPulse 3.5s ease-in-out infinite;
}
.hero-visual .float-dot-2 {
  width: 10px;
  height: 10px;
  background: rgba(255, 199, 88, 0.7);
  box-shadow: 0 0 16px rgba(255, 199, 88, 0.4);
  animation-delay: 1.2s;
  top: 30%;
  right: 8%;
}
.hero-visual .float-dot-3 {
  width: 20px;
  height: 20px;
  background: rgba(0, 229, 196, 0.25);
  box-shadow: 0 0 24px rgba(0, 229, 196, 0.2);
  animation-delay: 2.1s;
  bottom: 20%;
  left: 6%;
}
@keyframes floatPulse {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.8; }
  50% { transform: translateY(-12px) scale(1.15); opacity: 1; }
}

/* ===== 通用标题 ===== */
.section-title-wrap { text-align: center; margin-bottom: 48px; }
.section-title-wrap .sub-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(0, 229, 196, 0.07);
  border: 1px solid rgba(0, 229, 196, 0.18);
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.section-title-wrap h2 {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section-title-wrap p {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 板块通用 ===== */
.section { padding: var(--section-pad) 0; }
.section-dark { background: rgba(0, 0, 0, 0.15); }

/* ===== 按钮 ===== */
.btn-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  line-height: 1.5;
  justify-content: center;
}
.btn-primary-custom {
  background: linear-gradient(135deg, #00E5C4, #00B4D8);
  color: #062A2C;
  box-shadow: var(--shadow-primary);
}
.btn-primary-custom:hover {
  color: #062A2C;
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-hover);
  background: linear-gradient(135deg, #00E5C4, #00B4D8);
}
.btn-primary-custom:active {
  transform: translateY(0);
  opacity: 0.85;
}
.btn-outline-custom {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
}
.btn-outline-custom:hover {
  background: rgba(0, 229, 196, 0.08);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-gold-custom {
  background: linear-gradient(135deg, #FFC758, #FF9A3D);
  color: #3D2A05;
  box-shadow: 0 0 24px rgba(255, 199, 88, 0.2);
}
.btn-gold-custom:hover {
  color: #3D2A05;
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(255, 199, 88, 0.4);
}
.btn:focus-visible, .btn-custom:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* ===== 统计条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 32px 36px;
  margin-top: -40px;
  position: relative;
  z-index: 5;
  backdrop-filter: blur(8px);
}
.stat-item {
  text-align: center;
  padding: 8px 0;
}
.stat-item .num {
  font-size: 36px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent);
  line-height: 1.2;
}
.stat-item .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* ===== 内容方向卡片 ===== */
.direction-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.direction-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.direction-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.direction-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.direction-card:hover::before { opacity: 1; }
.direction-card .icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-icon);
  background: rgba(0, 229, 196, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 18px;
  transition: background 0.3s, transform 0.3s;
}
.direction-card:hover .icon-box {
  background: rgba(0, 229, 196, 0.18);
  transform: scale(1.05);
}
.direction-card.gold-card .icon-box {
  background: rgba(255, 199, 88, 0.12);
  color: var(--accent);
}
.direction-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.direction-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== 图文交替 ===== */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  position: relative;
}
.split-image img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.split-image:hover img { transform: scale(1.03); }
.split-content h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.split-content p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 14px;
}
.split-content .feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.split-content .feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-main);
}
.split-content .feature-list li i {
  color: var(--primary);
  font-size: 14px;
  margin-top: 5px;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  height: 20px;
  line-height: 20px;
  background: rgba(0, 229, 196, 0.08);
  border-radius: 50%;
  font-size: 11px;
}

/* ===== 适用场景 ===== */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 32px;
  text-align: center;
  transition: all 0.3s ease;
}
.scene-card:hover {
  border-color: rgba(255, 199, 88, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}
.scene-card .icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 199, 88, 0.1);
  border: 1px solid rgba(255, 199, 88, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent);
  margin: 0 auto 20px;
  transition: transform 0.3s;
}
.scene-card:hover .icon-circle { transform: scale(1.08); }
.scene-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.scene-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ===== 流程步骤 ===== */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: stepCount;
}
.step-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}
.step-item:hover {
  border-color: rgba(0, 229, 196, 0.2);
  transform: translateY(-3px);
}
.step-item::before {
  counter-increment: stepCount;
  content: counter(stepCount, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
}
.step-item .step-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(0, 229, 196, 0.1);
  border: 1px solid rgba(0, 229, 196, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
}
.step-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.step-item p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq-item:hover { border-color: rgba(255, 255, 255, 0.12); }
.faq-item.open { border-color: rgba(255, 199, 88, 0.2); background: rgba(255, 199, 88, 0.03); }
.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--primary); }
.faq-q-mark {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  background: rgba(255, 199, 88, 0.15);
  border: 1px solid rgba(255, 199, 88, 0.3);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-arrow {
  margin-left: auto;
  width: 16px;
  height: 16px;
  min-width: 16px;
  position: relative;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-arrow::before,
.faq-arrow::after {
  content: "";
  position: absolute;
  background: var(--text-sub);
  border-radius: 2px;
  transition: background 0.2s;
}
.faq-arrow::before {
  width: 10px;
  height: 2px;
  top: 7px;
  left: 3px;
}
.faq-arrow::after {
  width: 2px;
  height: 10px;
  top: 3px;
  left: 7px;
}
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-item.open .faq-arrow::before,
.faq-item.open .faq-arrow::after { background: var(--accent); }
.faq-answer {
  padding: 0 24px 20px 62px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
  display: none;
}
.faq-item.open .faq-answer { display: block; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.2));
  position: relative;
  padding: var(--section-pad) 0 80px;
}
.cta-box {
  background: linear-gradient(160deg, rgba(0, 229, 196, 0.06) 0%, rgba(255, 199, 88, 0.05) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(0, 229, 196, 0.1) 0%, transparent 70%);
}
.cta-box::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 199, 88, 0.1) 0%, transparent 70%);
}
.cta-box h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.cta-box .cta-sub {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 520px;
  margin: 0 auto 32px;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* ===== Footer ===== */
.site-footer {
  background: #060C18;
  border-top: 1px solid transparent;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 196, 0.4), transparent);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 56px 0 40px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .footer-logo .logo-mark {
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  transform: rotate(45deg);
  border-radius: 2px;
  display: block;
}
.footer-brand .footer-logo .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 320px;
  margin-bottom: 0;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .header-nav { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-wrap { padding: 0 16px; }
  .brand-logo { font-size: 18px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 560px; }
  .direction-grid { grid-template-columns: repeat(2, 1fr); }
  .split-block { grid-template-columns: 1fr; gap: 32px; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-wrap { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 576px) {
  .section { padding: 64px 0; }
  .page-hero { padding: 120px 0 56px; }
  .page-hero h1 { font-size: 32px; }
  .direction-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr; }
  .steps-wrap { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; padding: 24px; }
  .cta-box { padding: 32px 20px; border-radius: 20px; }
  .cta-buttons .btn-custom { width: 100%; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .btn-custom { padding: 13px 22px; font-size: 14px; }
  .faq-answer { padding: 0 16px 16px 54px; }
}

/* roulang page: article */
/* ===== Design Tokens ===== */
        :root {
            --bg-app: #081020;
            --bg-panel: rgba(255, 255, 255, 0.04);
            --bg-panel-deep: rgba(255, 255, 255, 0.03);
            --border-weak: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 229, 196, 0.25);
            --primary: #00E5C4;
            --primary-deep: #00B4D8;
            --accent: #FFC758;
            --accent-deep: #FF9A3D;
            --text-main: #D8E0F0;
            --text-sub: rgba(216, 224, 240, 0.7);
            --text-muted: rgba(216, 224, 240, 0.45);
            --text-faint: rgba(216, 224, 240, 0.3);
            --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 24px rgba(0, 229, 196, 0.25);
            --shadow-gold: 0 0 24px rgba(255, 199, 88, 0.12);
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-img: 16px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "JetBrains Mono", Consolas, monospace;
            --header-h: 72px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-app);
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 44px 44px;
            color: var(--text-main);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        input,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            padding-left: 1.25em;
        }

        /* ===== Container ===== */
        .container,
        .container-sm,
        .container-md,
        .container-lg,
        .container-xl,
        .container-xxl {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Buttons ===== */
        .btn-core {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            line-height: 1;
            background: linear-gradient(135deg, #00E5C4, #00B4D8);
            color: #062A2C;
            box-shadow: var(--shadow-glow);
            transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
            text-decoration: none;
        }

        .btn-core:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 229, 196, 0.45);
            color: #062A2C;
        }

        .btn-core:active {
            transform: translateY(0);
            opacity: 0.85;
        }

        .btn-line {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            line-height: 1;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            text-decoration: none;
            transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
        }

        .btn-line:hover {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-core:focus-visible,
        .btn-line:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        @media (max-width: 576px) {
            .btn-core,
            .btn-line {
                width: 100%;
                padding: 14px 20px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(10, 16, 32, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            z-index: 1000;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(6, 12, 24, 0.92);
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            height: var(--header-h);
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: #fff;
        }

        .logo-mark {
            width: 10px;
            height: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            transform: rotate(45deg);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .gold {
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .header-nav-left {
            justify-content: flex-start;
        }

        .header-nav-right {
            justify-content: flex-end;
        }

        .header-nav a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(216, 224, 240, 0.78);
            text-decoration: none;
            position: relative;
            padding: 6px 2px;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

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

        .header-nav a.active {
            color: #fff;
        }

        .header-nav a.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            border-radius: 999px;
            background: var(--primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            padding: 9px;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .nav-toggle:hover {
            border-color: rgba(0, 229, 196, 0.4);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: rgba(6, 12, 24, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 24px 24px;
            z-index: 999;
        }

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

        .mobile-menu a {
            display: block;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: rgba(216, 224, 240, 0.85);
            font-size: 15px;
            font-weight: 500;
        }

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

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

        @media (max-width: 991px) {
            .header-nav {
                display: none;
            }

            .header-inner {
                grid-template-columns: 1fr auto 1fr;
            }

            .nav-toggle {
                display: flex;
                grid-column: 1;
                justify-self: start;
            }

            .brand-logo {
                grid-column: 2;
            }
        }

        /* ===== Article Main ===== */
        .article-main {
            position: relative;
            padding-top: calc(var(--header-h) + 52px);
        }

        .article-main::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 50%;
            transform: translateX(-50%);
            width: 960px;
            height: 480px;
            background: radial-gradient(ellipse, rgba(0, 229, 196, 0.06), transparent 68%);
            pointer-events: none;
            z-index: 0;
        }

        .article-main > .container {
            position: relative;
            z-index: 1;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 13px;
            color: var(--text-muted);
            padding-bottom: 28px;
        }

        .breadcrumb-bar a {
            color: rgba(216, 224, 240, 0.5);
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        .breadcrumb-sep {
            color: var(--text-faint);
            margin: 0 4px;
        }

        .breadcrumb-current {
            color: var(--text-muted);
            max-width: 340px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Header ===== */
        .article-header {
            text-align: center;
            max-width: 860px;
            margin: 0 auto 40px;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: rgba(255, 199, 88, 0.1);
            border: 1px solid rgba(255, 199, 88, 0.3);
            color: var(--accent);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }

        .article-header h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin: 0 0 20px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .article-meta .dot {
            color: var(--text-faint);
        }

        /* ===== Article Body ===== */
        .article-body {
            max-width: 720px;
            margin: 0 auto;
            padding: 36px 0 16px;
        }

        .article-body p {
            margin-bottom: 24px;
            line-height: 1.75;
            color: var(--text-main);
            font-size: 16px;
        }

        .article-body h2 {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            color: #fff;
            margin: 48px 0 20px;
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: clamp(18px, 2vw, 22px);
            font-weight: 700;
            color: #fff;
            margin: 36px 0 16px;
            line-height: 1.5;
        }

        .article-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 28px 0 14px;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-body ul,
        .article-body ol {
            margin-bottom: 24px;
            padding-left: 1.4em;
        }

        .article-body li {
            margin-bottom: 9px;
            line-height: 1.7;
            color: var(--text-main);
        }

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

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-panel-deep);
            padding: 18px 22px;
            border-radius: 0 var(--radius-img) var(--radius-img) 0;
            margin: 28px 0;
            color: var(--text-sub);
            font-size: 15px;
        }

        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-img);
            margin: 24px auto;
            box-shadow: var(--shadow-card);
        }

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

        .article-body figcaption {
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
            margin-top: 8px;
        }

        .article-body pre {
            background: #0A1020;
            border: 1px solid var(--border-weak);
            border-radius: var(--radius-img);
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
            line-height: 1.6;
        }

        .article-body pre code {
            color: var(--text-main);
            font-family: var(--font-mono);
        }

        .article-body code {
            font-family: var(--font-mono);
            color: var(--accent);
            font-size: 0.92em;
            background: rgba(255, 255, 255, 0.04);
            padding: 2px 6px;
            border-radius: 6px;
        }

        .article-body pre code {
            background: none;
            padding: 0;
        }

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

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

        .article-body th {
            background: var(--bg-panel);
            color: #fff;
            font-weight: 700;
        }

        .article-body td {
            color: var(--text-main);
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--border-weak);
            margin: 40px 0;
        }

        /* ===== Article Not Found ===== */
        .article-notfound {
            text-align: center;
            padding: 64px 24px;
            background: var(--bg-panel);
            border: 1px solid var(--border-weak);
            border-radius: var(--radius-card);
        }

        .article-notfound p {
            font-size: 20px;
            color: var(--text-sub);
            margin-bottom: 28px;
        }

        /* ===== Article Back ===== */
        .article-back-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            padding: 32px 0 8px;
            margin-top: 32px;
            border-top: 1px solid var(--border-weak);
        }

        @media (max-width: 576px) {
            .article-back-links {
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ===== Article Tags ===== */
        .article-tags {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 32px 0 8px;
            margin-top: 16px;
        }

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

        .tag-item {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: var(--bg-panel);
            border: 1px solid var(--border-weak);
            color: var(--text-sub);
            border-radius: 999px;
            font-size: 13px;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .tag-item:hover {
            border-color: rgba(0, 229, 196, 0.4);
            color: var(--primary);
            background: rgba(0, 229, 196, 0.06);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: clamp(56px, 8vw, 96px) 0 80px;
            margin-top: 48px;
            background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02), transparent);
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            color: #fff;
            text-align: center;
            margin-bottom: 40px;
            letter-spacing: -0.02em;
        }

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

        .rel-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-weak);
            border-radius: var(--radius-card);
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
            display: block;
        }

        .rel-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card), 0 0 20px rgba(0, 229, 196, 0.1);
        }

        .rel-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            display: block;
        }

        .rel-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .rel-card:hover .rel-cover img {
            transform: scale(1.03);
        }

        .rel-info {
            padding: 20px 20px 18px;
        }

        .rel-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(255, 199, 88, 0.08);
            border: 1px solid rgba(255, 199, 88, 0.2);
            border-radius: 999px;
            padding: 3px 10px;
            margin-bottom: 12px;
        }

        .rel-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rel-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 991px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .rel-info h3 {
                font-size: 16px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #060C18;
            position: relative;
            padding: 64px 0 24px;
            margin-top: 40px;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 196, 0.4), transparent);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-top: 14px;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col a {
            color: rgba(216, 224, 240, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            color: var(--text-faint);
            font-size: 13px;
        }

        @media (max-width: 991px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 576px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        /* ===== Responsive ===== */
        @media (max-width: 767px) {
            .article-main {
                padding-top: calc(var(--header-h) + 36px);
            }

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

        @media (max-width: 576px) {
            .article-header h1 {
                font-size: 26px;
            }

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

            .article-body p {
                font-size: 15px;
            }

            .article-tags {
                gap: 8px;
            }

            .article-back-links {
                gap: 10px;
            }
        }

/* roulang page: category3 */
:root {
  --bg-app-1: #081020;
  --bg-app-2: #0B1628;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-2: rgba(255, 255, 255, 0.07);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 229, 196, 0.25);
  --primary: #00E5C4;
  --primary-2: #00B4D8;
  --accent: #FFC758;
  --accent-2: #FF9A3D;
  --text-main: #D8E0F0;
  --text-sub: rgba(216, 224, 240, 0.7);
  --text-muted: rgba(216, 224, 240, 0.45);
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-icon: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.35);
  --shadow-btn: 0 0 24px rgba(0, 229, 196, 0.25);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "sans-serif";
  --font-mono: "JetBrains Mono", "Consolas", monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: linear-gradient(160deg, var(--bg-app-2) 0%, var(--bg-app-1) 60%, #060C18 100%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
a { color: rgba(255,255,255,0.85); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1320px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
::selection { background: rgba(0,229,196,0.25); color: #fff; }

.bg-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
}
.section-glow {
  position: relative;
}
.section-glow::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}
.glow-teal::before { background: rgba(0,229,196,0.10); top: 0; left: -120px; }
.glow-gold::before { background: rgba(255,199,88,0.08); bottom: 0; right: -120px; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: 1000;
  background: rgba(10, 16, 32, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(8, 14, 28, 0.92);
  border-bottom-color: rgba(0, 229, 196, 0.12);
  box-shadow: 0 4px 30px rgba(0,0,0,0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}
.header-logo .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}
.logo-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(0,229,196,0.5);
  border-radius: 2px;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-nav a {
  font-size: 14.5px;
  color: rgba(255,255,255,0.85);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 500;
  transition: all .25s ease;
  position: relative;
}
.header-nav a:hover {
  color: var(--primary);
  background: rgba(0,229,196,0.06);
}
.header-nav a.active {
  color: var(--primary);
  background: rgba(0,229,196,0.08);
  box-shadow: inset 0 -2px 0 rgba(0,229,196,0.6), 0 0 16px rgba(0,229,196,0.08);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 20px;
  color: var(--text-main);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all .25s ease;
}
.nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.mobile-dropdown {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(8, 14, 28, 0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 12px;
}
.mobile-dropdown.open { display: flex; }
.mobile-dropdown a {
  font-size: 15px;
  padding: 12px 16px;
  border-radius: 12px;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.03);
}
.mobile-dropdown a.active {
  color: var(--primary);
  background: rgba(0,229,196,0.08);
}

.page-hero {
  position: relative;
  padding: 160px 0 80px;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(10,18,36,0.92), rgba(8,16,32,0.85)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 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: 48px 48px;
  pointer-events: none;
}
.page-hero::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,229,196,0.14), transparent 70%);
  pointer-events: none;
}
.page-hero .container {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  text-align: center;
}
.hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 28px;
  letter-spacing: 0.3px;
}
.hero-breadcrumb a { color: var(--text-sub); }
.hero-breadcrumb a:hover { color: var(--primary); }
.hero-breadcrumb .divider { color: var(--text-muted); }
.page-hero h1 {
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  letter-spacing: 1px;
  margin-bottom: 22px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.page-hero h1 .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-hero p.lead {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto 36px;
}
.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #062A2C;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all .3s ease;
  box-shadow: var(--shadow-btn);
  letter-spacing: 0.3px;
  line-height: 1.2;
}
.btn-main:hover {
  color: #062A2C;
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0,229,196,0.45);
}
.btn-main:focus-visible, .btn-ghost:focus-visible, .btn-gold:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-btn);
  padding: 14px 30px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all .3s ease;
  line-height: 1.2;
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0,229,196,0.06);
  transform: translateY(-2px);
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #3B2500;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 30px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all .3s ease;
  box-shadow: 0 0 20px rgba(255,199,88,0.18);
}
.btn-gold:hover {
  color: #3B2500;
  transform: translateY(-2px);
  box-shadow: 0 0 38px rgba(255,199,88,0.35);
}
.btn-main:active, .btn-ghost:active, .btn-gold:active { transform: translateY(0); opacity: 0.85; }

.stats-strip {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-card);
  margin: -40px 0 64px;
  position: relative;
  z-index: 10;
  padding: 28px 32px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stats-item {
  text-align: center;
  padding: 8px 12px;
  border-right: 1px solid rgba(255,255,255,0.06);
}
.stats-item:last-child { border-right: none; }
.stats-number {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}
.stats-label {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 4px;
  letter-spacing: 1px;
}

.section-padding { padding: clamp(56px, 8vw, 100px) 0; }
.section-header { text-align: center; margin-bottom: clamp(32px, 5vw, 56px); }
.section-header .section-tag {
  display: inline-block;
  background: rgba(255,199,88,0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 14px;
  border: 1px solid rgba(255,199,88,0.2);
}
.section-header h2 {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  line-height: 1.3;
}
.section-header h2 .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-header .sub-line {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 560px;
  margin: 14px auto 0;
}

.event-types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.event-type-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: all .35s ease;
  position: relative;
  overflow: hidden;
}
.event-type-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  opacity: 0;
  transition: opacity .3s ease;
}
.event-type-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,196,0.25);
  box-shadow: 0 0 20px rgba(0,229,196,0.08), var(--shadow-card);
}
.event-type-card:hover::after { opacity: 1; }
.event-type-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-icon);
  background: linear-gradient(135deg, rgba(0,229,196,0.15), rgba(0,180,216,0.15));
  border: 1px solid rgba(0,229,196,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 20px;
  transition: all .3s ease;
}
.event-type-card:hover .event-type-icon {
  box-shadow: 0 0 24px rgba(0,229,196,0.2);
  transform: scale(1.05);
}
.event-type-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.event-type-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 0;
}
.event-type-card .event-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  background: rgba(255,199,88,0.08);
  border-radius: 999px;
  padding: 3px 12px;
  margin-top: 16px;
  border: 1px solid rgba(255,199,88,0.15);
}

.info-flow-section {
  background: linear-gradient(135deg, rgba(8,14,28,0.95), rgba(7,12,24,0.98)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  position: relative;
  overflow: hidden;
}
.info-flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.flow-step {
  position: relative;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  text-align: center;
  transition: all .3s ease;
  backdrop-filter: blur(8px);
}
.flow-step:hover {
  border-color: rgba(255,199,88,0.25);
  transform: translateY(-4px);
  background: rgba(255,199,88,0.03);
}
.flow-step-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #3B2500;
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 0 18px rgba(255,199,88,0.3);
  font-family: var(--font-mono);
}
.flow-step h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.flow-step p {
  font-size: 13.5px;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 0;
}
.flow-arrow {
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
  z-index: 2;
}

.hot-events-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hot-event-item {
  display: flex;
  align-items: center;
  gap: 36px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: all .35s ease;
}
.hot-event-item:hover {
  border-color: rgba(0,229,196,0.22);
  box-shadow: 0 0 24px rgba(0,229,196,0.06), var(--shadow-card);
}
.hot-event-item.reverse {
  flex-direction: row-reverse;
}
.hot-event-media {
  flex: 0 0 46%;
  border-radius: var(--radius-card);
  overflow: hidden;
  height: 260px;
}
.hot-event-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.hot-event-item:hover .hot-event-media img {
  transform: scale(1.03);
}
.hot-event-content {
  flex: 1;
}
.hot-event-content .event-date {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  background: rgba(255,199,88,0.08);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
  border: 1px solid rgba(255,199,88,0.15);
  font-family: var(--font-mono);
}
.hot-event-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.4;
}
.hot-event-content p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 20px;
}
.event-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.event-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 4px 12px;
  border-radius: 999px;
}
.event-meta-item i { font-size: 13px; color: var(--primary); }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: all .35s ease;
  position: relative;
}
.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,196,0.22);
  box-shadow: 0 0 20px rgba(0,229,196,0.05);
}
.review-card::before {
  content: "\201C";
  position: absolute;
  top: 6px;
  right: 20px;
  font-size: 72px;
  color: rgba(255,199,88,0.16);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-card p {
  font-size: 14.5px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,229,196,0.25), rgba(0,180,216,0.25));
  border: 2px solid rgba(0,229,196,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary);
  font-weight: 700;
}
.review-user-info .review-name {
  font-size: 14px;
  color: #fff;
  font-weight: 600;
}
.review-user-info .review-stars {
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 2px;
}

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass) !important;
  border-radius: var(--radius-card) !important;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .3s ease, background .3s ease;
}
.faq-item:hover {
  border-color: rgba(255,199,88,0.2) !important;
}
.faq-item.open {
  background: rgba(255,199,88,0.03);
  border-color: rgba(255,199,88,0.25) !important;
}
.faq-button {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  text-align: left;
  cursor: pointer;
  transition: background .3s ease;
}
.faq-button:hover { background: rgba(255,255,255,0.02); }
.faq-q-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #3B2500;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(255,199,88,0.25);
}
.faq-arrow {
  margin-left: auto;
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
  transition: transform .3s ease;
}
.faq-arrow::before, .faq-arrow::after {
  content: "";
  position: absolute;
  background: var(--text-sub);
  border-radius: 2px;
  transition: background .3s ease;
}
.faq-arrow::before { top: 9px; left: 3px; width: 14px; height: 2px; }
.faq-arrow::after { top: 3px; left: 9px; width: 2px; height: 14px; }
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-item.open .faq-arrow::before, .faq-item.open .faq-arrow::after { background: var(--accent); }
.faq-body {
  padding: 0 24px 20px 64px;
  font-size: 14.5px;
  color: var(--text-sub);
  line-height: 1.75;
}

.cta-section {
  position: relative;
  padding: clamp(64px, 10vw, 120px) 0;
  background:
    linear-gradient(135deg, rgba(5,10,20,0.94), rgba(8,14,28,0.90)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,196,0.12), transparent 70%);
  top: -150px;
  left: -150px;
  pointer-events: none;
}
.cta-section::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,199,88,0.10), transparent 70%);
  bottom: -120px;
  right: -100px;
  pointer-events: none;
}
.cta-content { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; }
.cta-content h2 {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.cta-content h2 .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta-content p {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 36px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer {
  background: #060C18;
  border-top: 1px solid transparent;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,196,0.35), transparent);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 60px 0 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.footer-logo .gold {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.footer-logo .logo-mark {
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(0,229,196,0.5);
  border-radius: 2px;
  display: inline-block;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 320px;
  margin-bottom: 0;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col ul { padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: color .25s ease;
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom span {
  font-size: 13px;
  color: var(--text-muted);
}

@media (max-width: 991px) {
  .header-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-logo { margin: 0 auto; }
  .header-inner { justify-content: space-between; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-item:nth-child(2) { border-right: none; }
  .event-types-grid { grid-template-columns: repeat(2, 1fr); }
  .info-flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-arrow { display: none; }
  .hot-event-item, .hot-event-item.reverse { flex-direction: column; }
  .hot-event-media { flex: 0 0 auto; width: 100%; height: 220px; }
  .reviews-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .page-hero { padding: 140px 0 70px; min-height: auto; }
  .page-hero h1 { font-size: 30px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn-main, .hero-buttons .btn-ghost { width: 100%; justify-content: center; }
  .stats-strip { margin-top: -32px; padding: 20px; }
  .event-types-grid { grid-template-columns: 1fr; }
  .info-flow-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; padding: 40px 0 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .header-logo { font-size: 17px; }
  .page-hero h1 { font-size: 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-item { padding: 8px 4px; }
  .section-header h2 { font-size: 22px; }
  .event-type-card { padding: 24px 18px; }
  .hot-event-media { height: 180px; }
  .cta-buttons .btn-main, .cta-buttons .btn-ghost, .cta-buttons .btn-gold { width: 100%; justify-content: center; }
  .review-card { padding: 22px 16px; }
  .faq-button { padding: 16px; font-size: 14px; }
  .faq-body { padding: 0 16px 16px 50px; }
  .flow-step { padding: 24px 16px; }
}