/* roulang page: index */
:root {
  --primary: #153A6B;
  --accent: #00D4FF;
  --gold: #D4A96A;
  --bg: #0A1220;
  --bg-alt: #0E1A2C;
  --bg-footer: #050B14;
  --text: #E8EEF7;
  --text-secondary: #94A7C4;
  --text-muted: #5C6E8C;
  --text-disabled: #3D4B66;
  --border: rgba(255,255,255,0.08);
  --border-highlight: rgba(255,255,255,0.14);
  --border-accent: rgba(0,212,255,0.4);
  --danger: #FF6B7A;
  --success: #2DE0A5;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover: 0 0 24px rgba(0,212,255,0.15);
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --gap-section: 96px;
  --gap-card: 24px;
  --container-max: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; background: none; border: none; outline: none; }
ul, ol { list-style: none; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.site-header.scrolled {
  background: rgba(7,14,30,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  letter-spacing: 0.02em;
}
.logo-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 16px rgba(0,212,255,0.3);
  flex-shrink: 0;
}
.logo-icon svg { width: 18px; height: 18px; fill: #fff; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.main-nav a {
  font-size: 14px;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  letter-spacing: 0.02em;
  transition: color 0.3s;
}
.main-nav a:hover {
  color: var(--text);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transition: width 0.3s, left 0.3s;
}
.main-nav a:hover::after {
  width: 100%; left: 0;
}
.main-nav a.active {
  color: var(--text);
}
.main-nav a.active::after {
  width: 100%; left: 0;
}
.nav-cta {
  background: linear-gradient(135deg, var(--accent), #2A7FFF);
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 8px;
  font-size: 13px !important;
  box-shadow: 0 0 16px rgba(0,212,255,0.3);
  transition: transform 0.3s, box-shadow 0.3s;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0,212,255,0.5);
}
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  align-items: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  cursor: pointer;
  z-index: 1101;
}
.hamburger span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(7,14,30,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-secondary);
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--accent); }

/* ===== Hero ===== */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--bg);
}
.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  z-index: 0;
}
.hero-grid {
  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: 60px 60px;
  z-index: 0;
}
.hero-glow-1 {
  position: absolute;
  top: -10%; right: -5%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute;
  bottom: -20%; left: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(212,169,106,0.1) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 650;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: 0.01em;
  margin-bottom: 24px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), #2A7FFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 48px;
}
.hero-ctas {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), #2A7FFF);
  color: #fff;
  border-radius: 10px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 0 20px rgba(0,212,255,0.35);
  transition: transform 0.3s, box-shadow 0.3s, filter 0.3s;
  border: none;
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,212,255,0.5);
  filter: brightness(1.05);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 12px rgba(0,212,255,0.3);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text);
  border-radius: 10px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 500;
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(0,212,255,0.08);
  transform: translateY(-2px);
}
.btn-secondary:active { transform: translateY(0); }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  color: var(--text-muted);
  transition: color 0.3s;
}
.hero-scroll:hover { color: var(--accent); }
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  position: relative;
  overflow: hidden;
}
.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0; right: 0;
  height: 100%;
  background: var(--accent);
  animation: scrollLine 2s infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  50%, 100% { top: 100%; }
}
.hero-scroll small { font-size: 11px; letter-spacing: 0.1em; }

.hero-float-card {
  position: absolute;
  right: 8%;
  bottom: 20%;
  width: 280px;
  z-index: 2;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  animation: floatCard 6s ease-in-out infinite;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.float-card-value {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 4px;
}
.float-card-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== 通用板块 ===== */
.section { padding: var(--gap-section) 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: 40px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head .section-sub {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-head-line {
  width: 48px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  margin: 20px auto 0;
  border-radius: 2px;
}

/* ===== 核心业务 ===== */
.service-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.18), transparent);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--shadow-hover);
}
.service-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  margin-bottom: 20px;
}
.service-icon svg { width: 24px; height: 24px; stroke: var(--accent); fill: none; stroke-width: 1.8; }
.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.service-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px dashed rgba(0,212,255,0.4);
  padding-bottom: 2px;
  transition: gap 0.3s, color 0.3s;
}
.service-link:hover {
  gap: 10px;
  color: var(--text);
}
.service-link svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ===== 优势数据 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--border);
}
.stat-block {
  padding: 32px 20px;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background 0.3s;
}
.stat-block:hover { background: rgba(255,255,255,0.02); }
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-value .unit { font-size: 22px; color: var(--gold); margin-left: 2px; }
.stat-desc { font-size: 13px; color: var(--text-secondary); }

/* ===== 典型案例 ===== */
.case-item {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-bottom: 80px;
}
.case-item:last-child { margin-bottom: 0; }
.case-item.reversed { flex-direction: row-reverse; }
.case-image {
  flex: 0 0 54%;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.case-image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.case-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: inherit;
  pointer-events: none;
}
.case-item:hover .case-image img {
  transform: scale(1.03);
}
.case-content {
  flex: 0 0 46%;
}
.case-tags {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.case-tag {
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.case-tag.gold {
  border-color: rgba(212,169,106,0.4);
  color: var(--gold);
}
.case-content h3 {
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 16px;
}
.case-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}
.case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px dashed rgba(0,212,255,0.4);
  padding-bottom: 2px;
  transition: gap 0.3s;
}
.case-link:hover { gap: 10px; }
.case-link svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ===== 解决方案 ===== */
.solution-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.solution-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.solution-card:hover {
  border-color: rgba(0,212,255,0.3);
  box-shadow: var(--shadow-hover);
}
.solution-card h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.solution-card .solution-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.solution-body {
  display: flex;
  gap: 32px;
  flex: 1;
  align-items: center;
}
.solution-list {
  flex: 1;
}
.solution-list li {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}
.solution-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--gold));
}
.solution-visual {
  flex: 0 0 140px;
  height: 160px;
  background: rgba(255,255,255,0.04);
  border: 1px dashed rgba(255,255,255,0.14);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding: 12px;
}
.solution-cta {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px dashed rgba(0,212,255,0.4);
  padding-bottom: 2px;
  align-self: flex-start;
  transition: gap 0.3s;
}
.solution-cta:hover { gap: 10px; color: var(--text); }
.solution-cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ===== 最新资讯 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.news-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--shadow-hover);
}
.news-card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.news-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.news-card:hover .news-card-image img { transform: scale(1.02); }
.news-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(10,18,32,0.8));
}
.news-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-body h3 a:hover { color: var(--accent); }
.news-card-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 20px;
  flex: 1;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.news-category {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(212,169,106,0.1);
  border: 1px solid rgba(212,169,106,0.3);
  color: var(--gold);
}
.news-card-meta time { font-family: var(--font-mono); font-size: 12px; }
.news-card-meta .read-more {
  margin-left: auto;
  font-size: 13px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-card-meta .read-more:hover { color: var(--text); }
.empty-state {
  grid-column: 1 / -1;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  background: rgba(255,255,255,0.02);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background: rgba(255,255,255,0.03);
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item:hover { border-color: var(--border-highlight); }
.faq-item.open { border-color: rgba(0,212,255,0.3); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  gap: 16px;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s, border-color 0.3s;
}
.faq-icon svg { width: 12px; height: 12px; stroke: var(--text-muted); fill: none; stroke-width: 2; transition: stroke 0.3s; }
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--accent);
}
.faq-item.open .faq-icon svg { stroke: var(--accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin: 0 24px 20px 0;
}

/* ===== 联系转化 ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 0;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.contact-info {
  padding: 48px;
  background: rgba(10,18,32,0.5);
  border-right: 1px solid var(--border);
}
.contact-info h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.contact-info > p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact-info-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.contact-info-list li:last-child { border-bottom: none; }
.contact-info-list svg {
  width: 18px; height: 18px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  flex-shrink: 0;
}
.contact-form-wrap {
  padding: 48px;
}
.contact-form-wrap h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
}
.form-group { margin-bottom: 24px; position: relative; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 12px 0;
  font-size: 15px;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group textarea:focus {
  border-bottom: 2px solid var(--accent);
}
.form-group textarea {
  height: 96px;
  resize: vertical;
  line-height: 1.6;
}
.form-submit {
  display: flex;
  justify-content: flex-end;
}
.form-submit .btn-primary { min-width: 160px; justify-content: center; }
.form-tip {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: right;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand > p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .icp { font-family: var(--font-mono); font-size: 12px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root { --gap-section: 72px; }
  .main-nav { gap: 24px; }
  .hero h1 { font-size: 42px; }
  .case-item { gap: 40px; }
  .solution-body { flex-direction: column; align-items: flex-start; }
  .solution-visual { width: 100%; flex: none; height: 120px; }
  .news-grid { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero h1 { font-size: 34px; }
  .hero-subtitle { font-size: 16px; }
  .hero-float-card { display: none; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-secondary { justify-content: center; width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .case-item { flex-direction: column !important; gap: 32px; }
  .case-image, .case-content { flex: none; width: 100%; }
  .news-grid { grid-template-columns: 1fr; }
  .solution-wrap { grid-template-columns: 1fr; }
  .solution-card { min-height: auto; padding: 32px; }
  .contact-wrap { grid-template-columns: 1fr; }
  .contact-info { border-right: none; border-bottom: 1px solid var(--border); padding: 32px; }
  .contact-form-wrap { padding: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section-head h2 { font-size: 30px; }
}

@media (max-width: 520px) {
  :root { --gap-section: 56px; }
  .container { padding: 0 16px; }
  .hero h1 { font-size: 28px; }
  .hero { padding: 80px 0 40px; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-block { padding: 20px 12px; }
  .stat-value { font-size: 32px; }
  .service-card { padding: 24px; }
  .case-content h3 { font-size: 22px; }
  .solution-card { padding: 24px; }
  .contact-info, .contact-form-wrap { padding: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .hero-float-card {
    display: none;
  }
}

/* roulang page: article */
:root {
  --primary: #153A6B;
  --accent: #00D4FF;
  --gold: #D4A96A;
  --bg: #0A1220;
  --bg-2: #0E1A2C;
  --bg-footer: #050B14;
  --text-main: #E8EEF7;
  --text-sub: #94A7C4;
  --text-weak: #5C6E8C;
  --text-disabled: #3D4B66;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.14);
  --border-accent: rgba(0,212,255,0.5);
  --card-bg: rgba(255,255,255,0.05);
  --input-bg: rgba(255,255,255,0.02);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover: 0 0 24px rgba(0,212,255,0.15);
  --shadow-glow: 0 0 20px rgba(0,212,255,0.35);
  --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'JetBrains Mono', 'SF Mono', monospace;
  --section-space: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 14, 30, 0.88);
  backdrop-filter: blur(18px) saturate(120%);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(7, 14, 30, 0.92);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.88;
  color: var(--text-main);
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #2A7FFF);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 18px rgba(0,212,255,0.35);
  flex-shrink: 0;
}

.logo-icon svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  font-size: 15px;
  color: var(--text-sub);
  padding: 8px 0;
  position: relative;
  letter-spacing: 0.01em;
}

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

.main-nav a.active {
  color: var(--text-main);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  box-shadow: 0 0 8px rgba(0,212,255,0.5);
}

.main-nav a.nav-cta {
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.35);
  color: var(--accent);
  padding: 10px 22px;
  border-radius: 10px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.main-nav a.nav-cta:hover {
  background: rgba(0,212,255,0.18);
  border-color: rgba(0,212,255,0.6);
  box-shadow: 0 0 16px rgba(0,212,255,0.2);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.nav-toggle:hover {
  border-color: var(--border-accent);
  background: rgba(0,212,255,0.06);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--text-main);
  stroke-width: 2;
  stroke-linecap: round;
}

.nav-toggle.open svg #line1 {
  transform: rotate(45deg);
  transform-origin: 50% 50%;
}

.nav-toggle.open svg #line2 {
  opacity: 0;
}

.nav-toggle.open svg #line3 {
  transform: rotate(-45deg);
  transform-origin: 50% 50%;
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: rgba(7, 14, 30, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu a {
  font-size: 22px;
  color: var(--text-main);
  font-weight: 500;
  padding: 8px 20px;
  border-bottom: 1px solid var(--border);
}

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

.mobile-menu a.nav-cta-mobile {
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.35);
  color: var(--accent);
  border-radius: 12px;
  padding: 12px 32px;
}

/* Breadcrumb */
.breadcrumb-wrap {
  padding-top: 120px;
  padding-bottom: 20px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-weak);
}

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

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

.breadcrumb .sep {
  color: var(--text-weak);
  opacity: 0.5;
}

.breadcrumb .current {
  color: var(--text-weak);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Article Hero */
.article-hero {
  padding: 20px 0 32px;
  position: relative;
}

.article-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(0,212,255,0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.article-title {
  font-size: 34px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 20px;
  max-width: 800px;
  letter-spacing: 0.01em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 8px;
}

.article-meta .meta-category {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: rgba(212,169,106,0.12);
  border: 1px solid rgba(212,169,106,0.35);
  color: var(--gold);
  font-size: 13px;
}

.article-meta .meta-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-weak);
  opacity: 0.5;
}

.article-meta .meta-author {
  color: var(--text-sub);
}

/* Article Layout */
.article-main {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.02) 100%);
  padding-bottom: 40px;
}

.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.article-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.16), transparent);
}

.article-content p {
  margin-bottom: 24px;
  color: rgba(232, 238, 247, 0.88);
}

.article-content p:last-child {
  margin-bottom: 0;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 40px 0 20px;
  padding-left: 14px;
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, var(--accent), var(--gold)) 1;
  color: var(--text-main);
  line-height: 1.4;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--text-main);
  line-height: 1.4;
}

.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 14px;
  color: var(--text-main);
}

.article-content blockquote {
  border-left: 3px solid var(--accent);
  background: rgba(255,255,255,0.04);
  padding: 16px 20px;
  margin: 24px 0;
  color: var(--text-sub);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: normal;
}

.article-content blockquote p {
  margin-bottom: 0;
  color: var(--text-sub);
}

.article-content pre {
  background: #0d1b2d;
  border-radius: 8px;
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-num);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-main);
  border: 1px solid var(--border);
  margin: 24px 0;
}

.article-content code {
  font-family: var(--font-num);
  background: rgba(0,212,255,0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--accent);
}

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

.article-content img {
  border-radius: 12px;
  max-width: 100%;
  margin: 24px 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 24px;
}

.article-content ul li,
.article-content ol li {
  margin-bottom: 8px;
  color: rgba(232, 238, 247, 0.82);
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

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

.article-content a:hover {
  color: var(--gold);
}

/* Not found */
.not-found {
  text-align: center;
  padding: 48px 24px;
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.02);
}

.not-found p {
  font-size: 18px;
  color: var(--text-sub);
  margin-bottom: 20px;
}

.not-found a {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  color: var(--accent);
  transition: all 0.3s ease;
}

.not-found a:hover {
  background: rgba(0,212,255,0.08);
  box-shadow: var(--shadow-hover);
}

/* Article tags & pager */
.article-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: var(--text-sub);
  transition: all 0.3s ease;
}

.tag:hover {
  border-color: rgba(0,212,255,0.4);
  color: var(--accent);
  background: rgba(0,212,255,0.05);
}

.tag-gold {
  border-color: rgba(212,169,106,0.4);
  color: var(--gold);
  background: rgba(212,169,106,0.06);
}

.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.pager-link {
  font-size: 14px;
  color: var(--text-sub);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.02);
}

.pager-link:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: rgba(0,212,255,0.04);
  transform: translateY(-2px);
}

.pager-link.next {
  text-align: right;
}

/* Related section */
.related-section {
  padding: 72px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.section-heading .bar {
  width: 3px;
  height: 20px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--accent), var(--gold));
  flex-shrink: 0;
}

.section-heading h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

.related-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.18), transparent);
  z-index: 1;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--shadow-hover);
}

.related-thumb {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

.related-card:hover .related-thumb img {
  transform: scale(1.03);
}

.related-body {
  padding: 18px 20px 16px;
}

.related-body h3 {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 12px;
}

.related-body h3 a {
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 45px;
}

.related-body h3 a:hover {
  color: var(--accent);
}

.related-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--text-weak);
}

.related-meta .cat {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(212,169,106,0.08);
  border: 1px solid rgba(212,169,106,0.25);
  color: var(--gold);
  font-size: 12px;
}

/* Service section */
.service-section {
  padding: 72px 0;
  background: var(--bg);
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.service-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 36px 28px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  position: relative;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.16), transparent);
}

.service-card:hover {
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.service-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(212,169,106,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 20px;
  flex: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--accent);
  border-bottom: 1px dashed rgba(0,212,255,0.5);
  padding-bottom: 2px;
  align-self: flex-start;
  transition: all 0.3s ease;
}

.service-link:hover {
  color: var(--gold);
  border-color: rgba(212,169,106,0.5);
}

.service-link svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s ease;
}

.service-link:hover svg {
  transform: translateX(4px);
}

/* CTA section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(21,58,107,0.35), rgba(13,23,48,0.85)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0,212,255,0.12), transparent 50%);
  pointer-events: none;
}

.cta-inner {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-info h2 {
  font-size: 30px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.4;
}

.cta-info p {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 24px;
  max-width: 340px;
}

.cta-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.cta-contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-sub);
}

.cta-contact-list svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.cta-form {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.cta-form .form-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 0;
  background: transparent;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 15px;
  color: var(--text-main);
  transition: border-color 0.3s ease;
  border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus {
  border-bottom: 2px solid var(--accent);
}

.form-group textarea {
  height: 96px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-weak);
}

.form-submit {
  width: 100%;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--accent), #2A7FFF);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-glow);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,212,255,0.5);
  filter: brightness(1.05);
}

.form-submit:active {
  transform: translateY(0);
  box-shadow: 0 0 12px rgba(0,212,255,0.3);
}

.form-feedback {
  margin-top: 12px;
  font-size: 14px;
  color: var(--success, #2DE0A5);
  text-align: center;
}

/* Footer */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
  font-size: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.3s ease;
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-weak);
}

.footer-bottom .icp {
  color: var(--text-weak);
}

/* Button utilities */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2A7FFF);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,212,255,0.5);
  color: #fff;
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 12px rgba(0,212,255,0.3);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--text-main);
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(0,212,255,0.08);
  color: var(--text-main);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .service-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .cta-info p {
    max-width: none;
  }

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

  .article-content {
    padding: 32px;
  }
}

@media (max-width: 767px) {
  :root {
    --section-space: 56px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .breadcrumb-wrap {
    padding-top: 100px;
  }

  .article-hero {
    padding: 12px 0 24px;
  }

  .article-content {
    padding: 24px 20px;
    font-size: 15px;
  }

  .article-content h2 {
    font-size: 21px;
  }

  .article-content h3 {
    font-size: 18px;
  }

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

  .related-body h3 a {
    min-height: auto;
  }

  .service-card {
    padding: 28px 22px 20px;
    min-height: auto;
  }

  .cta-section {
    padding: 56px 0;
  }

  .cta-form {
    padding: 24px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

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

  .pager-link {
    text-align: center;
  }

  .pager-link.next {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .article-title {
    font-size: 24px;
  }

  .article-meta {
    gap: 10px;
    font-size: 13px;
  }

  .breadcrumb {
    font-size: 13px;
  }

  .cta-info h2 {
    font-size: 24px;
  }

  .section-heading h2 {
    font-size: 24px;
  }

  .logo {
    font-size: 15px;
    gap: 8px;
  }

  .form-submit {
    padding: 14px 24px;
  }
}

/* roulang page: category1 */
:root {
      --color-primary: #153A6B;
      --color-accent: #00D4FF;
      --color-gold: #D4A96A;
      --color-bg: #0A1220;
      --color-bg-alt: #0E1A2C;
      --color-card: rgba(255, 255, 255, 0.05);
      --color-text: #E8EEF7;
      --color-text-secondary: #94A7C4;
      --color-text-muted: #5C6E8C;
      --color-disabled: #3D4B66;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(255, 255, 255, 0.14);
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 6px;
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
      --shadow-glow: 0 0 24px rgba(0, 212, 255, 0.15);
      --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
      --header-height: 72px;
      --spacer: 96px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s ease;
    }

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

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

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

    /* Header */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      height: var(--header-height);
      border-bottom: 1px solid transparent;
      transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .site-header.scrolled {
      background: rgba(7, 14, 30, 0.85);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
      border-bottom-color: var(--border-color);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--header-height);
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--color-text);
      font-weight: 600;
      font-size: 16px;
    }

    .logo-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 7px;
      background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
      box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
    }

    .logo-icon svg {
      width: 15px;
      height: 15px;
      fill: none;
      stroke: #fff;
      stroke-width: 1.6;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 36px;
    }

    .main-nav a {
      font-size: 15px;
      color: var(--color-text-secondary);
      position: relative;
      padding-bottom: 6px;
      transition: color .25s ease;
    }

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

    .main-nav a.active {
      color: var(--color-text);
    }

    .main-nav a.active::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 0;
      width: 20px;
      height: 2px;
      background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
      border-radius: 2px;
    }

    .main-nav .nav-cta {
      background: linear-gradient(135deg, var(--color-accent), #2A7FFF);
      color: #fff;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
      font-weight: 500;
    }

    .main-nav .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
      color: #fff;
      background: linear-gradient(135deg, #29dfff, #3d8aff);
    }

    .main-nav .nav-cta.active::after {
      display: none;
    }

    .nav-toggle {
      display: none;
      background: none;
      border: 0;
      cursor: pointer;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      color: var(--color-text);
      border-radius: var(--radius-sm);
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.05);
    }

    .nav-toggle svg {
      width: 22px;
      height: 22px;
      stroke: currentColor;
      stroke-width: 1.6;
      fill: none;
      stroke-linecap: round;
    }

    /* Breadcrumb */
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--color-text-muted);
      margin-bottom: 18px;
    }

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

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

    .breadcrumb span {
      color: var(--color-text-muted);
    }

    .breadcrumb .current {
      color: var(--color-text-secondary);
    }

    /* Hero */
    .hero {
      position: relative;
      padding: 160px 0 100px;
      background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10, 18, 32, 0.96) 0%, rgba(10, 18, 32, 0.76) 60%, rgba(10, 18, 32, 0.55) 100%);
      z-index: 1;
    }

    .hero-grid-bg {
      position: absolute;
      inset: 0;
      z-index: 1;
      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: 36px 36px;
    }

    .hero .hero-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }

    .hero-eyebrow {
      display: inline-block;
      font-size: 12px;
      letter-spacing: 0.12em;
      color: var(--color-accent);
      border: 1px solid rgba(0, 212, 255, 0.3);
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 20px;
      text-transform: uppercase;
    }

    .hero h1 {
      font-size: 52px;
      font-weight: 650;
      line-height: 1.25;
      color: var(--color-text);
      margin-bottom: 20px;
    }

    .hero-sub {
      font-size: 16px;
      color: var(--color-text-secondary);
      max-width: 560px;
      line-height: 1.8;
      margin-bottom: 36px;
    }

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

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 500;
      line-height: 1;
      cursor: pointer;
      border: 0;
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-accent), #2A7FFF);
      color: #fff;
      box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
      color: #fff;
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--color-text);
    }

    .btn-ghost:hover {
      border-color: var(--color-accent);
      background: rgba(0, 212, 255, 0.08);
      color: var(--color-text);
      transform: translateY(-2px);
    }

    .btn-ghost:active {
      transform: translateY(0);
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      color: var(--color-accent);
      border-bottom: 1px dashed rgba(0, 212, 255, 0.4);
      padding-bottom: 2px;
      transition: color .25s ease, border-color .25s ease;
    }

    .text-link:hover {
      color: var(--color-gold);
      border-bottom-color: var(--color-gold);
    }

    .text-link svg {
      width: 14px;
      height: 14px;
      stroke: currentColor;
      stroke-width: 1.6;
      fill: none;
      stroke-linecap: round;
      stroke-linejoin: round;
      transition: transform .25s ease;
    }

    .text-link:hover svg {
      transform: translateX(4px);
    }

    /* Sections */
    .section {
      padding: var(--spacer) 0;
    }

    .section-alt {
      background: var(--color-bg-alt);
    }

    .section-head {
      margin-bottom: 48px;
    }

    .section-kicker {
      display: inline-block;
      font-size: 12px;
      letter-spacing: 0.1em;
      color: var(--color-accent);
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .section h2 {
      font-size: 38px;
      font-weight: 600;
      line-height: 1.3;
      color: var(--color-text);
      margin-bottom: 0;
    }

    .section-desc {
      font-size: 15px;
      color: var(--color-text-secondary);
      max-width: 640px;
      margin-top: 14px;
      line-height: 1.8;
    }

    /* Entry Cards */
    .entry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .card {
      background: var(--color-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      position: relative;
      transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
      backdrop-filter: blur(16px) saturate(120%);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    }

    .card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 24px;
      right: 24px;
      height: 1px;
      background: linear-gradient(90deg, rgba(255, 255, 255, 0.18), transparent);
      border-radius: 1px;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 212, 255, 0.4);
      box-shadow: var(--shadow-glow);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(0, 212, 255, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      border: 1px solid rgba(0, 212, 255, 0.2);
    }

    .card-icon svg {
      width: 24px;
      height: 24px;
      stroke: var(--color-accent);
      stroke-width: 1.6;
      fill: none;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .card h3 {
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 12px;
      color: var(--color-text);
    }

    .card p {
      font-size: 15px;
      color: var(--color-text-secondary);
      line-height: 1.7;
      margin-bottom: 18px;
    }

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

    .step-item {
      background: var(--color-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      position: relative;
      transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
    }

    .step-item::before {
      content: '';
      position: absolute;
      top: 0;
      left: 20px;
      right: 20px;
      height: 1px;
      background: linear-gradient(90deg, rgba(212, 169, 106, 0.25), transparent);
      border-radius: 1px;
    }

    .step-item:hover {
      transform: translateY(-4px);
      border-color: rgba(212, 169, 106, 0.35);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }

    .step-num {
      font-family: var(--font-mono);
      font-size: 42px;
      font-weight: 600;
      color: var(--color-gold);
      line-height: 1;
      margin-bottom: 14px;
      display: block;
    }

    .step-item h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 10px;
    }

    .step-item p {
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.75;
    }

    /* Media split */
    .media-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .media-figure img {
      width: 100%;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      aspect-ratio: 4 / 3;
      object-fit: cover;
      transition: transform .3s ease, box-shadow .3s ease;
    }

    .media-figure img:hover {
      transform: scale(1.02);
      box-shadow: 0 0 32px rgba(0, 212, 255, 0.15), var(--shadow-card);
    }

    .media-body .section-kicker {
      margin-bottom: 8px;
    }

    .media-body h2 {
      font-size: 32px;
      font-weight: 600;
      line-height: 1.3;
      margin-bottom: 16px;
      color: var(--color-text);
    }

    .media-body > p {
      font-size: 15px;
      color: var(--color-text-secondary);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .feature-list {
      list-style: none;
      margin: 0;
    }

    .feature-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 10px 0;
      font-size: 15px;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    .feature-list li::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
      margin-top: 8px;
      flex-shrink: 0;
      box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
    }

    .media-body .btn {
      margin-top: 20px;
    }

    /* FAQ */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-qa {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      background: var(--color-card);
      overflow: hidden;
      transition: border-color .3s ease, background .3s ease;
    }

    .faq-qa:hover {
      border-color: var(--border-highlight);
      background: rgba(255, 255, 255, 0.07);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      background: none;
      border: 0;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 500;
      color: var(--color-text);
      text-align: left;
      cursor: pointer;
      transition: color .25s ease;
    }

    .faq-question:hover {
      color: var(--color-accent);
    }

    .faq-icon {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      border: 1px solid var(--color-text-secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: transform .3s ease, border-color .3s ease;
    }

    .faq-icon svg {
      width: 10px;
      height: 10px;
      stroke: currentColor;
      stroke-width: 1.5;
      fill: none;
      stroke-linecap: round;
    }

    .faq-qa.is-open .faq-icon {
      transform: rotate(45deg);
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
    }

    .faq-qa.is-open .accordion-content {
      max-height: 320px;
    }

    .accordion-content p {
      padding: 0 24px 20px;
      font-size: 15px;
      color: var(--color-text-secondary);
      line-height: 1.8;
    }

    /* CTA */
    .cta-section {
      padding: 88px 0;
      background: linear-gradient(135deg, rgba(21, 58, 107, 0.5), rgba(10, 18, 32, 0.75)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-top: 1px solid var(--border-color);
    }

    .cta-box {
      text-align: center;
      max-width: 680px;
      margin: 0 auto;
    }

    .cta-box .section-kicker {
      margin-bottom: 12px;
    }

    .cta-box h2 {
      font-size: 34px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .cta-box p {
      font-size: 16px;
      color: var(--color-text-secondary);
      margin-bottom: 32px;
      line-height: 1.8;
    }

    .cta-box .hero-actions {
      justify-content: center;
    }

    /* Footer */
    .site-footer {
      background: #050B14;
      border-top: 1px solid var(--border-color);
      padding: 64px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 48px;
    }

    .footer-brand .logo {
      color: var(--color-text);
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--color-text-muted);
      margin-top: 14px;
      max-width: 260px;
      line-height: 1.7;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
      color: var(--color-text);
    }

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

    .footer-col li {
      margin-bottom: 10px;
      font-size: 14px;
      color: var(--color-text-secondary);
      line-height: 1.6;
    }

    .footer-col a {
      font-size: 14px;
      color: var(--color-text-secondary);
      transition: color .25s ease;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 24px 0;
      border-top: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .footer-bottom .icp {
      color: var(--color-text-muted);
    }

    /* Responsive */
    @media (max-width: 1023px) {
      .main-nav {
        gap: 22px;
      }

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

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

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

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

    @media (max-width: 767px) {
      .container {
        padding: 0 16px;
      }

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

      .main-nav {
        position: fixed;
        inset: 0;
        top: var(--header-height);
        background: rgba(7, 14, 30, 0.97);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 56px 24px;
        gap: 28px;
        transform: translateY(-120%);
        transition: transform .35s ease;
      }

      .main-nav.is-open {
        transform: translateY(0);
      }

      .main-nav a {
        font-size: 17px;
        color: var(--color-text-secondary);
      }

      .main-nav a.active {
        color: var(--color-text);
      }

      .main-nav a.active::after {
        bottom: -2px;
      }

      .main-nav .nav-cta {
        margin-top: 8px;
        width: 200px;
        justify-content: center;
      }

      .hero {
        padding: 120px 0 72px;
      }

      .hero h1 {
        font-size: 30px;
      }

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

      .hero-actions {
        flex-direction: column;
        width: 100%;
      }

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

      .section {
        padding: 56px 0;
      }

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

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

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

      .step-item {
        padding: 24px;
      }

      .card {
        padding: 24px;
      }

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

      .cta-section {
        padding: 64px 0;
      }

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

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .hero h1 {
        font-size: 28px;
      }

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

      .section h2 {
        font-size: 24px;
      }

      .breadcrumb {
        font-size: 13px;
      }

      .faq-question {
        padding: 16px 18px;
        font-size: 15px;
      }

      .accordion-content p {
        padding: 0 18px 16px;
        font-size: 14px;
      }
    }

/* roulang page: category2 */
:root{
  --brand:#153A6B;
  --accent:#00D4FF;
  --gold:#D4A96A;
  --bg:#0A1220;
  --bg-alt:#0E1A2C;
  --bg-deep:#050B14;
  --card-bg:rgba(255,255,255,0.05);
  --text:#E8EEF7;
  --text-secondary:#94A7C4;
  --text-muted:#5C6E8C;
  --border:rgba(255,255,255,0.08);
  --border-high:rgba(255,255,255,0.14);
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:6px;
  --shadow-card:0 8px 32px rgba(0,0,0,0.35);
  --shadow-glow:0 0 24px rgba(0,212,255,0.15);
  --font-main:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono','SF Mono',monospace;
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg);color:var(--text);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:all .3s ease}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;background:none;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{margin-bottom:56px;position:relative}
.section-head .section-title{font-size:40px;font-weight:600;line-height:1.3;margin-bottom:12px;color:var(--text)}
.section-head .section-subtitle{font-size:16px;color:var(--text-secondary);max-width:640px;line-height:1.8}
.section-head .section-divider{width:56px;height:3px;background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:3px;margin-top:20px}
.section-head .section-decor{font-size:14px;letter-spacing:.08em;color:var(--text-muted);font-family:var(--font-mono)}

@media(max-width:1023px){
  :root{--space-section:72px}
  .section{padding:72px 0}
  .section-head .section-title{font-size:32px}
}
@media(max-width:767px){
  :root{--space-section:56px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head .section-title{font-size:26px}
  .section-head .section-subtitle{font-size:15px}
}

/* ===== Header / Nav ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:transparent;transition:background .4s ease,box-shadow .4s ease;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(7,14,30,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--border);box-shadow:0 4px 20px rgba(0,0,0,0.4)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-icon{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--brand));display:flex;align-items:center;justify-content:center;box-shadow:0 0 18px rgba(0,212,255,0.25);transition:box-shadow .3s ease}
.logo-icon svg{width:16px;height:16px;fill:rgba(255,255,255,0.9)}
.logo:hover .logo-icon{box-shadow:0 0 28px rgba(0,212,255,0.45)}
.logo span{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:36px}
.main-nav a{font-size:14px;color:var(--text-secondary);position:relative;padding:8px 0;letter-spacing:.03em}
.main-nav a:hover{color:var(--text)}
.main-nav a::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%) scaleX(0);width:100%;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--gold));transition:transform .3s ease;transform-origin:center}
.main-nav a:hover::after{transform:translateX(-50%) scaleX(1)}
.main-nav a.active{color:var(--text)}
.main-nav a.active::after{transform:translateX(-50%) scaleX(1)}
.main-nav .nav-cta{background:linear-gradient(135deg,var(--accent),#2A7FFF);color:#FFF;padding:10px 24px;border-radius:10px;font-weight:500;box-shadow:0 0 20px rgba(0,212,255,0.3);transition:all .3s ease}
.main-nav .nav-cta:hover{box-shadow:0 0 30px rgba(0,212,255,0.5);transform:translateY(-2px);color:#FFF}
.main-nav .nav-cta::after{display:none}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;z-index:200}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .35s ease}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
@media(max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:0;right:0;width:100%;height:100vh;background:rgba(7,14,30,0.97);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);flex-direction:column;justify-content:center;align-items:center;gap:32px;transform:translateX(100%);transition:transform .45s cubic-bezier(.4,0,.2,1);z-index:150}
  .main-nav.open{transform:translateX(0)}
  .main-nav a{font-size:20px;color:var(--text);opacity:.8}
  .main-nav a:hover{opacity:1}
  .main-nav a.active{opacity:1}
  .main-nav a::after{display:none}
  .main-nav .nav-cta{margin-top:16px;font-size:16px}
}

/* ===== Hero ===== */
.hero-section{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:flex-start;padding-top:76px;overflow:hidden;background:var(--bg)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.35;z-index:0}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px);background-size:48px 48px;opacity:.5}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,18,32,0.6) 0%,var(--bg) 100%)}
.hero-content{position:relative;z-index:2;max-width:680px;padding:80px 0 60px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,255,0.08);border:1px solid rgba(0,212,255,0.25);border-radius:999px;padding:6px 16px;font-size:13px;color:var(--accent);font-family:var(--font-mono);letter-spacing:.04em;margin-bottom:28px}
.hero-badge i{width:6px;height:6px;background:var(--accent);border-radius:50%;display:inline-block;animation:plus 2s ease-in-out infinite}
@keyframes plus{0%,100%{opacity:1}50%{opacity:.4}}
.hero-section h1{font-size:56px;font-weight:650;line-height:1.2;margin-bottom:20px;color:var(--text);letter-spacing:-0.02em}
.hero-section h1 span{background:linear-gradient(90deg,var(--accent),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:18px;color:var(--text-secondary);line-height:1.8;margin-bottom:40px;max-width:560px}
.hero-cta{display:flex;gap:20px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent),#2A7FFF);color:#FFF;padding:14px 32px;border-radius:10px;font-weight:500;box-shadow:0 0 20px rgba(0,212,255,0.35);transition:all .35s ease;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(0,212,255,0.5);color:#FFF}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 12px rgba(0,212,255,0.25)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.15);color:var(--text);padding:14px 32px;border-radius:10px;font-weight:500;transition:all .35s ease;cursor:pointer}
.btn-ghost:hover{border-color:var(--accent);background:rgba(0,212,255,0.08);color:var(--accent)}
.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);font-size:12px;letter-spacing:.1em;transition:color .3s ease}
.hero-scroll:hover{color:var(--accent)}
.hero-scroll .line{width:1px;height:40px;background:linear-gradient(180deg,var(--text-muted),transparent);position:relative;overflow:hidden}
.hero-scroll .line::after{content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--accent);animation:scrollLine 2.4s ease-in-out infinite}
@keyframes scrollLine{0%{top:-100%}60%,100%{top:100%}}
.hero-side-card{position:absolute;right:6%;bottom:15%;z-index:2;width:300px;background:rgba(255,255,255,0.06);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%);border:1px solid rgba(255,255,255,0.12);border-radius:16px;padding:24px;box-shadow:var(--shadow-card);animation:float 6s ease-in-out infinite}
.hero-side-card .card-label{font-size:12px;color:var(--text-muted);letter-spacing:.06em;font-family:var(--font-mono)}
.hero-side-card .card-value{font-size:44px;font-weight:650;color:var(--gold);font-family:var(--font-mono);line-height:1.2;margin:8px 0 4px}
.hero-side-card .card-note{font-size:13px;color:var(--text-secondary)}
.hero-side-card::before{content:"";position:absolute;top:0;left:20px;right:20px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.25),transparent)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media(max-width:1023px){
  .hero-section h1{font-size:40px}
  .hero-side-card{display:none}
  .hero-content{max-width:100%;padding:60px 0 100px}
}
@media(max-width:767px){
  .hero-section h1{font-size:32px}
  .hero-desc{font-size:16px}
  .hero-cta{flex-direction:column;width:100%}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{width:100%;justify-content:center}
  .hero-section{padding-top:60px}
}

/* ===== Service Cards ===== */
.service-card{background:rgba(255,255,255,0.05);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%);border:1px solid rgba(255,255,255,0.10);border-radius:16px;padding:32px;box-shadow:var(--shadow-card);height:100%;position:relative;overflow:hidden;transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease}
.service-card::before{content:"";position:absolute;top:0;left:20px;right:20px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.25),transparent)}
.service-card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,0.4);box-shadow:0 0 24px rgba(0,212,255,0.15),var(--shadow-card)}
.service-icon{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,rgba(0,212,255,0.12),rgba(42,127,255,0.08));border:1px solid rgba(0,212,255,0.2);display:flex;align-items:center;justify-content:center;margin-bottom:24px;transition:all .35s ease}
.service-card:hover .service-icon{box-shadow:0 0 20px rgba(0,212,255,0.25)}
.service-icon svg{width:28px;height:28px;fill:var(--accent)}
.service-card h3{font-size:20px;font-weight:600;margin-bottom:12px;color:var(--text)}
.service-card p{font-size:15px;color:var(--text-secondary);line-height:1.7;margin-bottom:20px}
.service-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--accent);cursor:pointer;border-bottom:1px dashed rgba(0,212,255,0.4);padding-bottom:2px}
.service-link svg{width:14px;height:14px;transition:transform .3s ease}
.service-link:hover svg{transform:translateX(4px)}
.service-link:hover{color:var(--text);border-bottom-color:var(--text)}
@media(max-width:767px){
  .service-card{padding:24px;margin-bottom:16px}
  .service-card h3{font-size:18px}
}

/* ===== Scenario Section ===== */
.scenario-grid{display:flex;align-items:center;gap:56px}
.scenario-media{flex:0 0 48%;border-radius:16px;overflow:hidden;position:relative;box-shadow:var(--shadow-card)}
.scenario-media::before{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,0.1);border-radius:16px;pointer-events:none}
.scenario-media img{width:100%;height:400px;object-fit:cover;transition:transform .5s ease}
.scenario-media:hover img{transform:scale(1.03)}
.scenario-media .media-tag{position:absolute;bottom:20px;left:20px;background:rgba(0,0,0,0.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(0,212,255,0.3);color:var(--accent);font-size:12px;padding:6px 14px;border-radius:999px;letter-spacing:.04em}
.scenario-content{flex:1}
.scenario-content h2{font-size:32px;font-weight:600;line-height:1.3;margin-bottom:20px;color:var(--text)}
.scenario-content p{font-size:16px;color:var(--text-secondary);line-height:1.8;margin-bottom:24px}
.scenario-list{display:flex;flex-direction:column;gap:16px;margin-bottom:32px}
.scenario-item{display:flex;align-items:flex-start;gap:14px}
.scenario-item .dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--gold));margin-top:10px;flex-shrink:0;box-shadow:0 0 8px rgba(0,212,255,0.4)}
.scenario-item span{font-size:15px;color:var(--text);line-height:1.6}
.scenario-item small{display:block;font-size:13px;color:var(--text-muted);margin-top:2px}
@media(max-width:1023px){
  .scenario-grid{flex-direction:column;gap:40px}
  .scenario-media{flex:0 0 100%;width:100%}
  .scenario-content h2{font-size:28px}
}
@media(max-width:767px){
  .scenario-media img{height:280px}
  .scenario-content h2{font-size:24px}
  .scenario-grid{gap:32px}
}

/* ===== Stats Section ===== */
.stats-grid{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:16px;padding:48px 32px;position:relative;overflow:hidden}
.stats-grid::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.stats-grid::after{content:"";position:absolute;top:1px;left:40px;width:80px;height:1px;background:linear-gradient(90deg,var(--accent),var(--gold));box-shadow:0 0 16px rgba(0,212,255,0.5)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-col{text-align:center;padding:16px;position:relative}
.stat-col+.stat-col::before{content:"";position:absolute;left:0;top:25%;height:50%;width:1px;background:rgba(255,255,255,0.08)}
.stat-label{font-size:13px;color:var(--text-muted);font-family:var(--font-mono);letter-spacing:.08em;margin-bottom:12px;text-transform:uppercase}
.stat-value{font-size:48px;font-weight:650;color:var(--text);font-family:var(--font-mono);line-height:1.1;margin-bottom:8px}
.stat-value b{color:var(--gold)}
.stat-note{font-size:13px;color:var(--text-secondary)}
@media(max-width:767px){
  .stats-grid{padding:32px 16px}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat-col:nth-child(3)::before{display:none}
  .stat-value{font-size:36px}
}

/* ===== Process Section ===== */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;counter-reset:process}
.process-step{position:relative;text-align:center;padding:32px 16px;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:16px;transition:all .35s ease}
.process-step::before{content:counter(process);counter-increment:process;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#2A7FFF);color:#FFF;font-size:16px;font-family:var(--font-mono);font-weight:600;margin:0 auto 16px;box-shadow:0 0 16px rgba(0,212,255,0.3)}
.process-step:hover{transform:translateY(-4px);border-color:rgba(0,212,255,0.35);box-shadow:0 0 20px rgba(0,212,255,0.12)}
.process-step h3{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text)}
.process-step p{font-size:13px;color:var(--text-secondary);line-height:1.6}
.process-arrow{position:absolute;right:-14px;top:50%;transform:translateY(-50%);width:24px;height:24px;background:var(--bg);border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:2;color:var(--accent)}
.process-arrow svg{width:10px;height:10px;fill:none;stroke:currentColor;stroke-width:2}
@media(max-width:1023px){
  .process-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .process-arrow{display:none}
}
@media(max-width:767px){
  .process-grid{grid-template-columns:1fr}
  .process-step{padding:24px 16px}
}

/* ===== FAQ Section ===== */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;transition:border-color .3s ease;overflow:hidden}
.faq-item.open{border-color:rgba(0,212,255,0.3)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-size:17px;color:var(--text);font-weight:500;transition:color .3s ease}
.faq-question:hover{color:var(--accent)}
.faq-icon{width:20px;height:20px;flex-shrink:0;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--accent);transition:all .35s ease}
.faq-icon::before{width:14px;height:2px;top:9px;left:3px}
.faq-icon::after{width:2px;height:14px;top:3px;left:9px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.open .faq-answer{max-height:400px;padding:0 24px 20px}
.faq-answer p{font-size:15px;color:var(--text-secondary);line-height:1.8}
@media(max-width:767px){
  .faq-question{font-size:15px;padding:16px 20px}
  .faq-item.open .faq-answer{padding:0 20px 16px}
}

/* ===== CTA Section ===== */
.cta-section{position:relative;padding:100px 0;background:var(--bg-alt);overflow:hidden}
.cta-section::before{content:"";position:absolute;top:-80px;right:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,0.12),transparent 70%);pointer-events:none}
.cta-section::after{content:"";position:absolute;bottom:-120px;left:-60px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(212,169,106,0.08),transparent 70%);pointer-events:none}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:20px;padding:56px 48px;box-shadow:var(--shadow-card);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%)}
.cta-inner::before{content:"";position:absolute;top:0;left:24px;right:24px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent)}
.cta-inner h2{font-size:32px;font-weight:600;margin-bottom:16px;color:var(--text)}
.cta-inner p{font-size:16px;color:var(--text-secondary);line-height:1.8;margin-bottom:32px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media(max-width:767px){
  .cta-section{padding:64px 0}
  .cta-inner{padding:40px 24px;border-radius:16px}
  .cta-inner h2{font-size:26px}
  .cta-buttons{flex-direction:column;width:100%}
  .cta-buttons .btn-primary,.cta-buttons .btn-ghost{width:100%;justify-content:center}
}

/* ===== Footer ===== */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--border);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-muted);line-height:1.8;max-width:300px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:20px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:var(--text-muted);transition:color .3s ease}
.footer-col ul a:hover{color:var(--accent)}
.footer-col ul li:not(a){font-size:14px;color:var(--text-muted)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-top:1px solid rgba(255,255,255,0.06);flex-wrap:wrap;gap:12px}
.footer-bottom span{font-size:13px;color:var(--text-muted)}
.footer-bottom .icp{font-family:var(--font-mono)}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
  .footer-grid{grid-template-columns:1fr}
  .footer-brand p{max-width:100%}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
}

/* ===== Page Hero (内页) ===== */
.page-hero{position:relative;padding:160px 0 80px;background:var(--bg);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.2}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,18,32,0.7) 0%,var(--bg) 100%)}
.page-hero .container{position:relative;z-index:2}
.page-breadcrumb{font-size:14px;color:var(--text-muted);margin-bottom:16px;font-family:var(--font-mono)}
.page-breadcrumb a{color:var(--text-muted);transition:color .3s ease}
.page-breadcrumb a:hover{color:var(--accent)}
.page-breadcrumb span{color:var(--text-secondary)}
.page-hero h1{font-size:36px;font-weight:650;line-height:1.3;margin-bottom:16px;color:var(--text);letter-spacing:-0.01em}
.page-hero .page-desc{font-size:16px;color:var(--text-secondary);max-width:640px;line-height:1.8}
@media(max-width:767px){
  .page-hero{padding:120px 0 56px}
  .page-hero h1{font-size:28px}
  .page-hero .page-desc{font-size:15px}
}

/* ===== Content Entry Row ===== */
.entry-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}
.entry-item{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid var(--border);gap:24px;transition:background .3s ease}
.entry-item:hover{background:rgba(255,255,255,0.02)}
.entry-main{flex:1}
.entry-title{font-size:17px;font-weight:500;color:var(--text);margin-bottom:6px;transition:color .3s ease}
.entry-item:hover .entry-title{color:var(--accent)}
.entry-summary{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text-muted)}
.entry-tag{background:rgba(212,169,106,0.12);border:1px solid rgba(212,169,106,0.25);color:var(--gold);padding:2px 10px;border-radius:999px;font-size:12px}
.entry-link{flex-shrink:0;font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.entry-link svg{width:14px;height:14px;transition:transform .3s ease}
.entry-link:hover{color:var(--text)}
.entry-link:hover svg{transform:translateX(4px)}
@media(max-width:767px){
  .entry-item{flex-direction:column;align-items:flex-start;gap:12px}
  .entry-link{display:none}
}

/* ===== Gold accent variant for category2 ===== */
.cat-accent .section-head .section-title{color:var(--text)}
.cat-accent .btn-primary{background:linear-gradient(135deg,var(--gold),#F0C27A);box-shadow:0 0 20px rgba(212,169,106,0.3)}
.cat-accent .btn-primary:hover{box-shadow:0 0 30px rgba(212,169,106,0.5)}
.cat-accent .hero-badge{border-color:rgba(212,169,106,0.3);background:rgba(212,169,106,0.08);color:var(--gold)}
.cat-accent .hero-badge i{background:var(--gold)}
.cat-accent .service-icon{background:linear-gradient(135deg,rgba(212,169,106,0.12),rgba(255,255,255,0.05));border-color:rgba(212,169,106,0.2)}
.cat-accent .service-icon svg{fill:var(--gold)}
.cat-accent .service-card:hover{border-color:rgba(212,169,106,0.4);box-shadow:0 0 24px rgba(212,169,106,0.12),var(--shadow-card)}
.cat-accent .service-card:hover .service-icon{box-shadow:0 0 20px rgba(212,169,106,0.25)}
.cat-accent .module-badge{background:rgba(212,169,106,0.12);border:1px solid rgba(212,169,106,0.3);color:var(--gold)}

/* ===== Utility ===== */
.module-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,255,0.08);border:1px solid rgba(0,212,255,0.2);border-radius:999px;padding:4px 14px;font-size:12px;color:var(--accent);font-family:var(--font-mono);letter-spacing:.05em;margin-bottom:16px}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mt-5{margin-top:48px}
.text-center{text-align:center}