/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --bg-primary: #081020;
  --bg-secondary: #0B1425;
  --bg-deep: #060C18;
  --panel: rgba(255,255,255,0.06);
  --panel-hover: rgba(255,255,255,0.10);
  --brand-blue: #2E6BFF;
  --brand-blue-hover: #4A85FF;
  --accent-cyan: #38BDF8;
  --gold: #C9A86A;
  --gold-light: #E6C88A;
  --text-primary: #E9EEF6;
  --text-secondary: #9AA9BC;
  --text-weak: #64748B;
  --border: rgba(255,255,255,0.10);
  --border-light: rgba(255,255,255,0.18);
  --border-gold: rgba(201,168,106,0.45);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 40px rgba(0,0,0,0.3);
  --shadow-hover: 0 20px 60px rgba(0,0,0,0.5);
  --glow-blue: 0 8px 30px rgba(46,107,255,0.4);
  --glow-gold: 0 8px 30px rgba(201,168,106,0.25);
  --font-sans: "PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num: "Inter","DIN Alternate",Arial,sans-serif;
  --section-space: 100px;
  --section-space-md: 72px;
  --section-space-sm: 56px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-cyan); text-decoration: none; transition: color 0.25s; }
a:hover { color: var(--gold-light); }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }

/* ===== 容器 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section { padding: var(--section-space) 0; position: relative; }
.section-alt { background: var(--bg-secondary); }
.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head .section-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  padding: 4px 16px;
  border: 1px solid var(--border-gold);
  border-radius: 30px;
  margin-bottom: 16px;
  background: rgba(201,168,106,0.08);
}
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--text-primary); margin-bottom: 12px; }
.section-head p { color: var(--text-secondary); font-size: 16px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  min-height: 44px;
  line-height: 1;
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn:focus { outline: 2px solid var(--accent-cyan); outline-offset: 3px; }
.btn-primary {
  background: linear-gradient(135deg, #2E6BFF, #38BDF8);
  color: #fff;
  box-shadow: var(--glow-blue);
}
.btn-primary:hover { background: linear-gradient(135deg, #3A78FF, #4A85FF); transform: translateY(-2px); color: #fff; box-shadow: 0 12px 36px rgba(46,107,255,0.55); }
.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: var(--gold); color: var(--gold-light); transform: translateY(-2px); }
.btn-gold {
  background: linear-gradient(135deg, #C9A86A, #E6C88A);
  color: #1a1a2e;
  box-shadow: var(--glow-gold);
}
.btn-gold:hover { filter: brightness(1.1); transform: translateY(-2px); color: #1a1a2e; }
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 17px 42px; font-size: 16px; }

/* ===== 浮动 Dock 导航 ===== */
.dock-header {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 40px);
  max-width: 1100px;
  background: rgba(6,12,24,0.78);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-gold);
  border-radius: 30px;
  padding: 12px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.4s ease;
  box-shadow: 0 12px 44px rgba(0,0,0,0.5);
}
.dock-header.dock-shrink {
  top: 12px;
  padding: 8px 22px;
  max-width: 920px;
  background: rgba(6,12,24,0.92);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 1px;
}
.brand-logo .logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0b1425;
  font-size: 16px;
  font-weight: 800;
  box-shadow: 0 4px 18px rgba(201,168,106,0.4);
}
.brand-logo .logo-mark i { font-size: 15px; }
.brand-logo .logo-sub { font-size: 12px; color: var(--gold); letter-spacing: 2px; font-weight: 600; margin-top: -3px; display: block; }
.dock-nav { display: flex; align-items: center; gap: 4px; }
.dock-nav a {
  display: inline-block;
  padding: 10px 18px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  transition: all 0.25s ease;
  position: relative;
}
.dock-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); }
.dock-nav a.active { color: var(--gold-light); background: rgba(201,168,106,0.12); font-weight: 600; }
.dock-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
}
.dock-actions { display: flex; align-items: center; gap: 10px; }
.dock-actions .dock-search {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.25s;
  background: transparent;
}
.dock-actions .dock-search:hover { border-color: var(--gold); color: var(--gold-light); }
.dock-actions .btn { padding: 10px 22px; font-size: 14px; min-height: 38px; }
.dock-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 16px;
  cursor: pointer;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 100px;
  background:
    linear-gradient(135deg, rgba(8,16,32,0.88) 0%, rgba(11,20,37,0.82) 40%, rgba(8,16,32,0.92) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(46,107,255,0.16) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201,168,106,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero .grid-container { position: relative; z-index: 2; }
.hero-inner { text-align: center; max-width: 900px; margin: 0 auto; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-gold);
  border-radius: 40px;
  padding: 8px 22px;
  font-size: 13px;
  color: var(--gold-light);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hero-badge i { font-size: 12px; }
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.22;
  color: var(--text-primary);
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 20%, #38BDF8 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto 36px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; margin-bottom: 56px; flex-wrap: wrap; }
.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.metric-badge {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 22px 32px;
  min-width: 160px;
  text-align: center;
  transition: all 0.3s ease;
}
.metric-badge:hover { border-color: var(--border-gold); transform: translateY(-4px); box-shadow: var(--shadow); }
.metric-badge .metric-num {
  font-family: var(--font-num);
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.metric-badge .metric-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; display: block; }

/* ===== 信任概况条 ===== */
.trust-bar { background: rgba(255,255,255,0.02); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 36px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-item { text-align: center; padding: 8px 16px; }
.trust-item .trust-icon { font-size: 26px; color: var(--gold); margin-bottom: 8px; }
.trust-item .trust-value { font-family: var(--font-num); font-size: 22px; font-weight: 700; color: var(--text-primary); }
.trust-item .trust-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* ===== 功能分组 ===== */
.features-section { padding-top: var(--section-space); padding-bottom: var(--section-space); }
.feature-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
  height: 100%;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}
.feature-card:hover { background: var(--panel-hover); border-color: rgba(255,255,255,0.18); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }
.feature-card.feature-main { min-height: 380px; display: flex; flex-direction: column; }
.feature-card.feature-sub { margin-bottom: 24px; }
.feature-card.feature-sub:last-child { margin-bottom: 0; }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(46,107,255,0.2), rgba(56,189,248,0.2));
  border: 1px solid rgba(46,107,255,0.3);
  color: var(--accent-cyan);
}
.feature-card:nth-child(2) .feature-icon,
.feature-sub .feature-icon { background: linear-gradient(135deg, rgba(201,168,106,0.18), rgba(230,200,138,0.18)); border-color: rgba(201,168,106,0.3); color: var(--gold-light); }
.feature-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
.feature-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; flex-grow: 1; }
.feature-divider { width: 100%; height: 1px; background: linear-gradient(90deg, var(--border), transparent); margin: 20px 0; }
.feature-link { display: inline-flex; align-items: center; gap: 6px; color: var(--gold); font-size: 14px; font-weight: 600; }
.feature-link:hover { color: var(--gold-light); gap: 10px; }
.feature-tags { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.tag-chip {
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-secondary);
}
.feature-img { border-radius: 14px; overflow: hidden; margin-bottom: 20px; position: relative; }
.feature-img img { width: 100%; height: 160px; object-fit: cover; transition: transform 0.4s ease; }
.feature-card:hover .feature-img img { transform: scale(1.04); }

/* ===== 场景交替 ===== */
.scenarios-section { background: var(--bg-secondary); }
.scenario-row { padding: 40px 0; }
.scenario-row + .scenario-row { border-top: 1px solid rgba(255,255,255,0.06); }
.scenario-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
}
.scenario-img img { width: 100%; height: 340px; object-fit: cover; transition: transform 0.5s ease; }
.scenario-img:hover img { transform: scale(1.03); }
.scenario-img .img-badge {
  position: absolute;
  bottom: 18px;
  left: 18px;
  background: rgba(6,12,24,0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-gold);
  color: var(--gold-light);
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 30px;
}
.scenario-content { padding: 20px 0; }
.scenario-num { font-family: var(--font-num); font-size: 15px; color: var(--gold); letter-spacing: 2px; margin-bottom: 10px; display: block; }
.scenario-content h3 { font-size: 26px; font-weight: 700; color: var(--text-primary); margin-bottom: 14px; }
.scenario-content .scenario-desc { color: var(--text-secondary); font-size: 15px; margin-bottom: 20px; }
.scenario-points li { display: flex; align-items: flex-start; gap: 12px; padding: 8px 0; color: var(--text-secondary); font-size: 15px; }
.scenario-points li i { color: var(--gold); margin-top: 4px; font-size: 14px; }

/* ===== 成功案例 ===== */
.cases-section { }
.case-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.35s ease;
  position: relative;
  height: 100%;
}
.case-card:hover { background: var(--panel-hover); border-color: rgba(255,255,255,0.18); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.case-card-img { position: relative; overflow: hidden; }
.case-card-img img { width: 100%; object-fit: cover; transition: transform 0.45s ease; }
.case-card:hover .case-card-img img { transform: scale(1.05); }
.case-card-img.tall img { height: 380px; }
.case-card-img.short img { height: 172px; }
.case-card-body { padding: 24px; }
.case-card-body .case-cat { font-size: 12px; color: var(--gold); text-transform: uppercase; letter-spacing: 1.5px; }
.case-card-body h3 { font-size: 18px; font-weight: 700; margin: 8px 0 10px; color: var(--text-primary); }
.case-card-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }
.case-card-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.case-stat { text-align: center; flex: 1; min-width: 72px; }
.case-stat .stat-val { font-family: var(--font-num); font-size: 22px; font-weight: 700; color: var(--gold-light); }
.case-stat .stat-label { font-size: 12px; color: var(--text-weak); margin-top: 2px; display: block; }
.cases-more { text-align: center; margin-top: 48px; }

/* ===== 合作模式 / 价格 ===== */
.pricing-section { background: var(--bg-secondary); }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pricing-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: all 0.35s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover { background: var(--panel-hover); border-color: rgba(255,255,255,0.18); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--border-gold);
  background: linear-gradient(180deg, rgba(201,168,106,0.08), rgba(255,255,255,0.04));
  box-shadow: var(--glow-gold);
}
.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
  border-radius: 0 0 4px 4px;
}
.pricing-recommend {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #1a1a2e;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}
.pricing-name { font-size: 17px; font-weight: 700; color: var(--text-primary); }
.pricing-desc { font-size: 13px; color: var(--text-secondary); margin-top: 6px; min-height: 42px; }
.pricing-mode { font-family: var(--font-num); font-size: 24px; font-weight: 800; color: var(--gold-light); margin: 16px 0; }
.pricing-mode small { font-size: 13px; color: var(--text-weak); font-weight: 400; }
.pricing-features { flex-grow: 1; margin-bottom: 20px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; padding: 6px 0; font-size: 14px; color: var(--text-secondary); }
.pricing-features li i { color: var(--gold); font-size: 12px; margin-top: 6px; }
.pricing-card .btn { width: 100%; }

/* ===== 最新信息 / CMS ===== */
.news-section { }
.news-row {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}
.news-row:hover { background: var(--panel-hover); border-color: var(--border-gold); box-shadow: var(--shadow); transform: translateX(4px); }
.news-row-left { flex: 1; min-width: 0; }
.news-row-cat {
  display: inline-block;
  font-size: 12px;
  color: var(--gold);
  background: rgba(201,168,106,0.1);
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  padding: 3px 12px;
  margin-bottom: 8px;
}
.news-row-title { font-size: 17px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.news-row-title a { color: inherit; transition: color 0.25s; }
.news-row-title a:hover { color: var(--accent-cyan); }
.news-row-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}
.news-row-right { text-align: right; flex-shrink: 0; }
.news-row-time { font-family: var(--font-num); font-size: 13px; color: var(--text-weak); display: block; margin-bottom: 8px; }
.news-row-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gold);
}
.news-row-more:hover { color: var(--gold-light); gap: 10px; }
.news-empty {
  text-align: center;
  padding: 80px 20px;
  background: var(--panel);
  border: 1px dashed var(--border-light);
  border-radius: 16px;
  color: var(--text-secondary);
  font-size: 15px;
}
.news-empty i { font-size: 36px; color: var(--text-weak); display: block; margin-bottom: 16px; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-secondary); }
.faq-layout { display: grid; grid-template-columns: 380px 1fr; gap: 60px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro h2 { font-size: 34px; font-weight: 800; color: var(--text-primary); margin-bottom: 14px; }
.faq-intro p { color: var(--text-secondary); margin-bottom: 24px; font-size: 15px; }
.faq-link { display: inline-flex; align-items: center; gap: 8px; color: var(--gold); font-weight: 600; font-size: 15px; }
.faq-link:hover { color: var(--gold-light); gap: 12px; }
.accordion { background: transparent; }
.accordion-item {
  background: var(--panel) !important;
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  margin-bottom: 12px !important;
  overflow: hidden;
  transition: all 0.3s ease;
}
.accordion-item:hover { border-color: rgba(255,255,255,0.18) !important; }
.accordion-title {
  background: transparent !important;
  border: none !important;
  padding: 20px 24px !important;
  color: var(--text-primary) !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  position: relative;
}
.accordion-title::after {
  content: '\f078' !important;
  font-family: 'Font Awesome 6 Free' !important;
  font-weight: 900 !important;
  color: var(--gold) !important;
  font-size: 13px !important;
  transition: transform 0.3s !important;
  right: 24px !important;
  position: absolute !important;
}
.accordion-item.is-active .accordion-title::after { transform: rotate(180deg) !important; }
.accordion-content {
  background: transparent !important;
  border: none !important;
  color: var(--text-secondary) !important;
  font-size: 15px !important;
  line-height: 1.8 !important;
  padding: 0 24px 24px !important;
  border-top: 1px solid rgba(255,255,255,0.08) !important;
}

/* ===== CTA ===== */
.cta-section { position: relative; padding: 100px 0; background: linear-gradient(135deg, rgba(8,16,32,0.82), rgba(11,20,37,0.88)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat; overflow: hidden; }
.cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 30%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201,168,106,0.1), transparent 70%);
  pointer-events: none;
}
.cta-inner { text-align: center; max-width: 760px; margin: 0 auto; position: relative; z-index: 2; }
.cta-inner h2 { font-size: 38px; font-weight: 800; color: var(--text-primary); margin-bottom: 14px; }
.cta-inner h2 span { color: var(--gold-light); }
.cta-inner p { color: var(--text-secondary); font-size: 16px; margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.cta-form {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}
.cta-form .form-title { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.cta-form .form-sub { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }
.form-group { margin-bottom: 14px; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 10px;
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.25s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-weak); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(46,107,255,0.2);
  background: rgba(255,255,255,0.09);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-submit { width: 100%; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-deep); border-top: 1px solid rgba(201,168,106,0.2); padding: 64px 0 0; position: relative; }
.site-footer::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; max-width: 280px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--gold); border-radius: 2px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: var(--text-secondary); font-size: 14px; transition: all 0.25s; }
.footer-col ul a:hover { color: var(--gold-light); padding-left: 6px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
.footer-contact li i { color: var(--gold); margin-top: 4px; font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 18px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: var(--text-weak); }
.footer-bottom .footer-icp { color: var(--text-weak); font-size: 13px; }

/* ===== 移动端断点 ===== */
@media (max-width: 1023px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .faq-intro { position: static; text-align: center; }
  .hero h1 { font-size: 40px; }
}

@media (max-width: 767px) {
  .section { --section-space: 72px; padding: var(--section-space-sm) 0; }
  .section-head h2 { font-size: 28px; }
  .dock-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(6,12,24,0.97);
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
  }
  .dock-nav.is-open { display: flex; }
  .dock-nav a { padding: 14px 18px; text-align: center; border-radius: 12px; }
  .dock-toggle { display: flex; align-items: center; justify-content: center; }
  .dock-actions .btn span.btn-text { display: none; }
  .dock-actions .btn { padding: 10px 14px; }
  .hero { padding: 130px 0 70px; min-height: auto; }
  .hero h1 { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .hero-metrics { gap: 12px; }
  .metric-badge { padding: 16px 20px; min-width: 120px; }
  .metric-badge .metric-num { font-size: 28px; }
  .scenario-img img { height: 240px; }
  .cta-inner h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-row { flex-direction: column; align-items: flex-start; gap: 12px; }
  .news-row-right { text-align: left; display: flex; align-items: center; gap: 16px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .dock-header { padding: 10px 16px; width: calc(100% - 20px); }
  .brand-logo { font-size: 16px; }
  .brand-logo .logo-mark { width: 30px; height: 30px; font-size: 13px; }
  .dock-actions .dock-search { display: none; }
  .hero-actions .btn { width: 100%; }
  .metric-badge { min-width: 100%; }
  .trust-item .trust-icon { font-size: 20px; }
  .trust-item .trust-value { font-size: 18px; }
  .feature-card.feature-main { min-height: auto; }
  .cta-form { padding: 20px; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category1 */
/* ============ Design Tokens ============ */
:root {
  --bg-primary: #081020;
  --bg-secondary: #0B1425;
  --bg-alt: rgba(255, 255, 255, 0.02);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --bg-glass-strong: rgba(255, 255, 255, 0.10);
  --brand-blue: #2E6BFF;
  --brand-blue-bright: #4A85FF;
  --accent-cyan: #38BDF8;
  --gold: #C9A86A;
  --gold-bright: #E6C88A;
  --text-primary: #E9EEF6;
  --text-secondary: #9AA9BC;
  --text-weak: #64748B;
  --border-glass: rgba(255, 255, 255, 0.10);
  --border-glass-hover: rgba(255, 255, 255, 0.18);
  --border-gold: rgba(201, 168, 106, 0.35);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-blue: 0 8px 30px rgba(46, 107, 255, 0.4);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
  --font-num: "Inter", "DIN Alternate", Arial, sans-serif;
  --space-section-desktop: 100px;
  --space-section-tablet: 72px;
  --space-section-mobile: 56px;
}

/* ============ Reset / Base ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-primary);
  background: linear-gradient(160deg, #081020 0%, #0E1B2F 60%, #0B1425 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-cyan); text-decoration: none; transition: color .25s; }
a:hover { color: var(--gold-bright); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }

/* ============ Layout ============ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (min-width: 1024px) {
  .container { padding-left: 32px; padding-right: 32px; }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue), var(--accent-cyan));
  color: #fff;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  filter: brightness(1.12);
  color: #fff;
  box-shadow: 0 12px 36px rgba(46, 107, 255, 0.55);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--gold);
  color: #fff;
}
.btn-ghost:active { transform: translateY(1px); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  color: #181818;
  font-weight: 700;
}
.btn-gold:hover { filter: brightness(1.05); color: #101010; transform: translateY(-1px); }
.btn-gold:active { transform: translateY(1px); }
.btn:focus-visible, .dock-toggle:focus-visible, .faq-question:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ============ Dock Navigation ============ */
.dock-header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: calc(100% - 32px);
  max-width: 1240px;
  padding: 12px 20px;
  background: rgba(14, 27, 47, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-gold);
  border-radius: 30px;
  box-shadow: 0 14px 48px rgba(0, 0, 0, 0.45);
  transition: all .35s ease;
}
.dock-header.scrolled {
  padding: 8px 18px;
  background: rgba(8, 16, 32, 0.88);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  border-color: rgba(201, 168, 106, 0.5);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.brand-logo:hover { color: var(--gold-bright); }
.logo-mark {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  border-radius: 9px;
  color: #101820;
  font-size: 16px;
  box-shadow: 0 4px 18px rgba(201, 168, 106, 0.35);
}
.logo-sub {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
  line-height: 1.2;
}
.dock-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.dock-nav a {
  position: relative;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 22px;
  transition: all .25s;
}
.dock-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.dock-nav a.active {
  color: var(--gold-bright);
  background: rgba(201, 168, 106, 0.12);
  border: 1px solid rgba(201, 168, 106, 0.25);
}
.dock-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.dock-search {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  cursor: pointer;
  transition: all .25s;
}
.dock-search:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--gold); }
.dock-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  cursor: pointer;
}
.dock-toggle:hover { border-color: var(--gold); background: rgba(255, 255, 255, 0.1); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 86px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 480px;
  background: rgba(10, 20, 35, 0.96);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  padding: 16px;
  z-index: 999;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  color: var(--text-secondary);
  font-size: 15px;
  border-radius: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all .2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { background: rgba(255, 255, 255, 0.06); color: var(--gold-bright); }
.mobile-menu a.active { color: var(--gold-bright); background: rgba(201, 168, 106, 0.12); }

/* ============ Breadcrumb ============ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--gold-bright); }
.breadcrumb i { font-size: 10px; color: var(--text-weak); }
.breadcrumb span { color: var(--gold); }

/* ============ Category Banner ============ */
.cat-banner {
  position: relative;
  padding: 180px 0 90px;
  background:
    linear-gradient(180deg, rgba(8, 16, 32, 0.84) 0%, rgba(14, 27, 47, 0.92) 50%, #0B1425 100%),
    url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
  border-bottom: 1px solid rgba(201, 168, 106, 0.18);
}
.cat-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 30%, var(--gold) 70%, transparent 100%);
  opacity: 0.5;
}
.cat-banner-content {
  max-width: 820px;
}
.cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(201, 168, 106, 0.12);
  border: 1px solid rgba(201, 168, 106, 0.3);
  border-radius: 30px;
  font-size: 12px;
  color: var(--gold-bright);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.cat-banner h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(120deg, #fff 0%, #38BDF8 50%, #E6C88A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cat-banner p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 32px;
}
.cat-banner-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============ Category Main Layout ============ */
.cat-main {
  padding: var(--space-section-tablet) 0;
  background: var(--bg-secondary);
}
@media (min-width: 1024px) {
  .cat-main { padding: var(--space-section-desktop) 0; }
}
.cat-layout-grid {
  display: flex;
  gap: 36px;
  align-items: flex-start;
}
.cat-sidebar {
  flex: 0 0 280px;
  position: sticky;
  top: 120px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: border-color .3s;
}
.cat-sidebar:hover { border-color: var(--border-glass-hover); }
.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sidebar-link-list li { margin-bottom: 4px; }
.sidebar-link-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s;
  border-left: 2px solid transparent;
}
.sidebar-link-list a:hover {
  color: var(--gold-bright);
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--gold);
}
.sidebar-link-list a .num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--text-weak);
}
.sidebar-link-list a.active-link {
  color: var(--gold-bright);
  background: rgba(201, 168, 106, 0.1);
  border-left-color: var(--gold);
}
.sidebar-note {
  margin-top: 20px;
  padding: 16px;
  background: rgba(46, 107, 255, 0.06);
  border: 1px solid rgba(46, 107, 255, 0.2);
  border-radius: 12px;
}
.sidebar-note p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.sidebar-note a { color: var(--accent-cyan); font-weight: 500; }

.cat-content {
  flex: 1;
  min-width: 0;
}

/* Content Block */
.content-block {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  transition: all .35s ease;
  position: relative;
  overflow: hidden;
}
.content-block:hover {
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-hover);
  background: rgba(255, 255, 255, 0.045);
}
.content-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--gold), transparent);
  opacity: 0.6;
}
.block-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 10px;
  padding: 4px 12px;
  background: rgba(201, 168, 106, 0.1);
  border-radius: 20px;
}
.block-tag i { font-size: 10px; }
.content-block h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 18px;
  line-height: 1.35;
  color: var(--text-primary);
}
.block-body {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.block-img {
  flex: 1 1 300px;
  max-width: 100%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  transition: transform .45s ease, box-shadow .45s ease;
}
.block-img:hover { transform: scale(1.02); box-shadow: 0 14px 44px rgba(0, 0, 0, 0.5); }
.block-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.block-text {
  flex: 1 1 300px;
  min-width: 0;
}
.block-text p {
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 14px;
  font-size: 15px;
}
.block-text ul {
  margin-top: 12px;
}
.block-text ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}
.block-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-bright));
  border-radius: 2px;
  transform: rotate(45deg);
}
.block-text .block-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--accent-cyan);
  font-size: 14px;
  font-weight: 500;
  transition: all .3s;
}
.block-text .block-cta i { transition: transform .3s; }
.block-text .block-cta:hover { color: var(--gold-bright); }
.block-text .block-cta:hover i { transform: translateX(4px); }

/* Variant: reverse layout */
.content-block.reverse .block-body { flex-direction: row-reverse; }
@media (max-width: 640px) {
  .content-block.reverse .block-body { flex-direction: column; }
}

/* ============ CTA Section ============ */
.cta-section {
  position: relative;
  padding: 90px 0;
  background:
    linear-gradient(135deg, rgba(8, 16, 32, 0.82), rgba(14, 27, 47, 0.88)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-top: 1px solid rgba(201, 168, 106, 0.2);
  border-bottom: 1px solid rgba(201, 168, 106, 0.2);
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 0 24px;
}
.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-inner h2 .gold-text {
  background: linear-gradient(120deg, var(--gold), var(--gold-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-inner p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
}
.cta-inner .cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ FAQ Section ============ */
.faq-section {
  padding: var(--space-section-tablet) 0;
  background: var(--bg-primary);
}
@media (min-width: 1024px) {
  .faq-section { padding: var(--space-section-desktop) 0; }
}
.faq-header {
  text-align: center;
  margin-bottom: 48px;
}
.faq-header .section-eyebrow {
  display: inline-block;
  padding: 6px 16px;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
  border: 1px solid rgba(201, 168, 106, 0.3);
  border-radius: 30px;
  margin-bottom: 16px;
  background: rgba(201, 168, 106, 0.08);
}
.faq-header h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}
.faq-header p { color: var(--text-secondary); font-size: 15px; }
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  transition: all .3s;
  overflow: hidden;
}
.faq-item:hover { border-color: rgba(201, 168, 106, 0.3); }
.faq-item.active {
  border-color: rgba(201, 168, 106, 0.4);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-cn);
  transition: color .25s;
}
.faq-question:hover { color: var(--gold-bright); }
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(201, 168, 106, 0.4);
  color: var(--gold);
  font-size: 12px;
  transition: all .3s;
}
.faq-item.active .faq-icon {
  background: var(--gold);
  color: #181818;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
}
.faq-answer p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid rgba(201, 168, 106, 0.15);
  padding-top: 14px;
}

/* ============ Footer ============ */
.site-footer {
  background: linear-gradient(180deg, #0B1425 0%, #050A14 100%);
  padding: 72px 0 0;
  border-top: 1px solid rgba(201, 168, 106, 0.2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
}
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: all .25s;
}
.footer-col ul li a:hover {
  color: var(--gold-bright);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}
.footer-contact li i {
  color: var(--gold);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  color: var(--text-weak);
  font-size: 13px;
}
.footer-icp { color: var(--text-weak); }

/* ============ Scroll to Top ============ */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(14, 27, 47, 0.85);
  border: 1px solid var(--border-gold);
  color: var(--gold);
  cursor: pointer;
  font-size: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  z-index: 999;
  backdrop-filter: blur(12px);
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: rgba(201, 168, 106, 0.2); transform: translateY(-3px); }

/* ============ Responsive ============ */
@media (max-width: 1023px) {
  .cat-layout-grid {
    flex-direction: column;
    gap: 28px;
  }
  .cat-sidebar {
    position: static;
    flex: none;
    width: 100%;
  }
  .cat-sidebar .sidebar-link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .cat-sidebar .sidebar-link-list li { margin: 0; }
  .sidebar-link-list a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 8px 14px;
    border-radius: 8px;
  }
  .sidebar-link-list a:hover { border-left: none; border-bottom-color: var(--gold); }
  .sidebar-link-list a.active-link { border-left: none; border-bottom-color: var(--gold); }
  .cat-banner h1 { font-size: 38px; }
  .cta-inner h2 { font-size: 28px; }
}
@media (max-width: 767px) {
  .dock-header { top: 12px; padding: 10px 14px; border-radius: 22px; }
  .dock-nav { display: none; }
  .dock-toggle { display: flex; }
  .dock-actions .btn-text { display: none; }
  .dock-actions .btn { padding: 0 12px; width: 44px; }
  .dock-actions .btn i { margin: 0; }
  .cat-banner { padding: 140px 0 60px; }
  .cat-banner h1 { font-size: 32px; }
  .cat-banner p { font-size: 15px; }
  .cat-banner-actions { flex-direction: column; width: 100%; }
  .cat-banner-actions .btn { width: 100%; }
  .content-block { padding: 20px; }
  .content-block h2 { font-size: 24px; }
  .block-body { flex-direction: column; }
  .content-block.reverse .block-body { flex-direction: column; }
  .block-img img { height: 180px; }
  .cta-section { padding: 60px 0; }
  .cta-inner h2 { font-size: 26px; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons .btn { width: 100%; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .brand-logo span:not(.logo-mark) { font-size: 17px; }
  .cat-banner h1 { font-size: 28px; }
  .faq-answer p { font-size: 13px; }
}

/* roulang page: article */
:root {
  --bg-primary:#081020;
  --bg-secondary:#0B1425;
  --bg-tertiary:#0E1B2F;
  --blue:#2E6BFF;
  --blue-hover:#4A85FF;
  --cyan:#38BDF8;
  --gold:#C9A86A;
  --gold-hover:#E6C88A;
  --text-primary:#E9EEF6;
  --text-secondary:#9AA9BC;
  --text-muted:#64748B;
  --glass-bg:rgba(255,255,255,0.06);
  --glass-border:rgba(255,255,255,0.12);
  --radius-large:20px;
  --radius-medium:16px;
  --radius-small:10px;
  --shadow:0 10px 40px rgba(0,0,0,0.3);
  --shadow-hover:0 20px 60px rgba(0,0,0,0.5);
  --font-cn:'PingFang SC','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  --font-num:Inter,'DIN Alternate',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:linear-gradient(135deg,#081020 0%,#0E1B2F 50%,#081020 100%);
  background-attachment:fixed;
  color:var(--text-primary);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .25s}
a:hover{color:var(--gold-hover)}
button{font-family:inherit}
.grid-container{max-width:1280px;padding-left:32px;padding-right:32px}
::selection{background:rgba(201,168,106,.3);color:#fff}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 32px;border-radius:var(--radius-small);
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;
  border:0;cursor:pointer;min-height:44px;
  transition:all .3s ease;white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;
  box-shadow:0 8px 30px rgba(46,107,255,.4);
}
.btn-primary:hover{background:linear-gradient(135deg,var(--blue-hover),#56C9FF);color:#fff;box-shadow:0 10px 36px rgba(46,107,255,.55);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.9);
}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:var(--gold);color:var(--gold-hover)}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),var(--gold-hover));color:#0B1425;
  box-shadow:0 8px 28px rgba(201,168,106,.35);
}
.btn-gold:hover{background:linear-gradient(135deg,var(--gold-hover),#F0D9A8);color:#081020;box-shadow:0 10px 34px rgba(201,168,106,.5);transform:translateY(-2px)}
.btn-gold:active{transform:translateY(1px)}

/* ===== Dock 导航 ===== */
.dock-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  z-index:1000;width:min(1240px,calc(100% - 32px));
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 24px;border-radius:28px;
  background:rgba(8,16,32,.78);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border:1px solid rgba(201,168,106,.35);
  box-shadow:0 8px 32px rgba(0,0,0,.45);
  transition:all .35s ease;
}
.dock-header.scrolled{
  top:8px;width:min(1180px,calc(100% - 24px));padding:8px 20px;
  background:rgba(8,16,32,.92);
  box-shadow:0 4px 20px rgba(0,0,0,.5);
}
.brand-logo{
  display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);
  font-size:20px;font-weight:700;letter-spacing:.5px;flex-shrink:0;
}
.brand-logo:hover{color:var(--text-primary)}
.logo-mark{
  width:38px;height:38px;border-radius:9px;
  background:linear-gradient(135deg,var(--gold),var(--gold-hover));
  display:flex;align-items:center;justify-content:center;
  color:#0B1425;font-size:16px;box-shadow:0 0 18px rgba(201,168,106,.3);
}
.logo-sub{
  display:block;font-size:10px;letter-spacing:2px;color:var(--gold);font-weight:500;line-height:1.3;
}
.dock-nav{display:flex;align-items:center;gap:4px}
.dock-nav a{
  padding:10px 16px;border-radius:999px;color:var(--text-secondary);
  text-decoration:none;font-size:14px;font-weight:500;
  transition:all .25s ease;white-space:nowrap;
}
.dock-nav a:hover{color:var(--cyan);background:rgba(56,189,248,.1)}
.dock-nav a.active{
  color:#fff;background:linear-gradient(135deg,rgba(46,107,255,.25),rgba(56,189,248,.15));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.3);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-search,.dock-toggle{
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  color:var(--text-secondary);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .25s ease;font-size:16px;
}
.dock-search:hover,.dock-toggle:hover{color:var(--gold-hover);border-color:var(--gold)}
.dock-toggle{display:none;font-size:18px}
.dock-actions .btn{padding:12px 22px;font-size:14px}

/* ===== 文章头部 ===== */
.article-header{
  padding:180px 0 56px;
  background:
    linear-gradient(180deg,rgba(8,16,32,.88) 0%,rgba(11,20,37,.94) 60%,#081020 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom:1px solid rgba(255,255,255,.06);
  position:relative;
}
.article-header-inner{max-width:1000px;margin:0 auto}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:color .25s}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:var(--gold);font-size:12px}
.breadcrumb .current{
  max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-secondary);
}
.article-category-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 18px;border-radius:999px;
  background:rgba(201,168,106,.14);border:1px solid rgba(201,168,106,.4);
  color:var(--gold-hover);font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.article-category-badge i{font-size:12px}
.article-header h1{
  font-size:clamp(32px,5vw,48px);font-weight:800;line-height:1.25;
  color:#fff;max-width:900px;margin-bottom:24px;
  letter-spacing:1px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:24px;
  font-size:14px;color:var(--text-secondary);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--gold);font-size:14px}

/* ===== 正文区 ===== */
.article-body-wrap{padding:64px 0 56px}
.article-content{max-width:780px;margin:0 auto;font-size:16px;line-height:1.9}
.article-content p{margin-bottom:24px;color:var(--text-primary)}
.article-content h2{
  font-size:28px;font-weight:700;line-height:1.35;color:#fff;
  margin:52px 0 22px;padding-left:18px;border-left:4px solid var(--gold);
}
.article-content h3{
  font-size:22px;font-weight:600;line-height:1.4;color:#fff;
  margin:38px 0 16px;
}
.article-content ul,.article-content ol{margin:0 0 26px 28px;padding:0}
.article-content li{margin-bottom:12px;color:var(--text-primary);line-height:1.8}
.article-content li::marker{color:var(--gold)}
.article-content blockquote{
  margin:36px 0;padding:26px 30px;
  border-left:4px solid var(--gold);
  background:rgba(255,255,255,.04);
  border-radius:0 16px 16px 0;
  color:var(--text-secondary);font-size:16px;
}
.article-content blockquote strong{color:var(--text-primary)}
.article-content table{
  width:100%;border-collapse:collapse;margin:36px 0;font-size:14px;
  border-radius:12px;overflow:hidden;
}
.article-content th{
  background:rgba(46,107,255,.15);color:#fff;font-weight:600;
  padding:14px 16px;border:1px solid rgba(255,255,255,.1);text-align:left;
}
.article-content td{
  padding:12px 16px;border:1px solid rgba(255,255,255,.07);color:var(--text-primary);
  background:rgba(255,255,255,.02);
}
.article-content tr:hover td{background:rgba(255,255,255,.04)}
.article-content img{
  max-width:100%;border-radius:16px;margin:32px 0;
  box-shadow:var(--shadow);
}
.article-content a{color:var(--cyan);border-bottom:1px solid rgba(56,189,248,.3);text-decoration:none}
.article-content a:hover{color:var(--gold-hover);border-bottom-color:var(--gold)}
.article-content pre{
  background:#0B1425;border:1px solid rgba(255,255,255,.1);border-radius:12px;
  padding:22px;overflow-x:auto;margin:28px 0;font-family:'Consolas',monospace;font-size:14px;
  color:#A7F3D0;
}
.article-content code{font-family:'Consolas',monospace;font-size:.92em;color:var(--cyan)}

/* ===== 文章未找到 ===== */
.article-notfound{
  text-align:center;padding:80px 24px;max-width:600px;margin:0 auto;
}
.article-notfound .notfound-icon{
  font-size:56px;color:var(--gold);margin-bottom:24px;
}
.article-notfound h2{font-size:32px;font-weight:700;color:#fff;margin-bottom:16px}
.article-notfound p{color:var(--text-secondary);margin-bottom:32px}

/* ===== 文章底部 ===== */
.article-bottom{
  padding:40px 0 64px;border-top:1px solid rgba(255,255,255,.08);
}
.article-tags{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:36px;
}
.tag-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:var(--text-secondary);font-size:13px;text-decoration:none;
  transition:all .25s ease;
}
.tag-item:hover{border-color:var(--gold);color:var(--gold-hover);background:rgba(201,168,106,.08)}
.article-pagination{
  display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:32px;
}
.nav-btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:var(--text-secondary);font-size:14px;text-decoration:none;
  transition:all .25s ease;min-height:44px;
}
.nav-btn:not(.disabled):hover{border-color:var(--gold);color:var(--gold-hover);transform:translateY(-1px)}
.nav-btn.disabled{opacity:.45;cursor:not-allowed}
.back-link{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  color:var(--cyan);text-decoration:none;font-size:15px;font-weight:500;
  transition:color .25s;
}
.back-link:hover{color:var(--gold-hover)}
.back-link i{font-size:13px}

/* ===== 相关推荐 ===== */
.related-section{
  padding:80px 0;background:var(--bg-secondary);
  border-top:1px solid rgba(255,255,255,.06);
}
.related-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:48px;flex-wrap:wrap;
}
.related-header h2{
  font-size:clamp(26px,3.5vw,36px);font-weight:700;color:#fff;line-height:1.3;
}
.related-header h2 span{color:var(--gold)}
.related-header p{color:var(--text-secondary);font-size:15px;max-width:440px}
.related-list{display:flex;flex-direction:column;gap:20px;max-width:1000px;margin:0 auto}
.related-item{
  display:flex;gap:24px;align-items:center;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-medium);padding:20px;
  transition:all .3s ease;text-decoration:none;
}
.related-item:hover{
  border-color:var(--gold);box-shadow:var(--shadow-hover);
  transform:translateY(-2px);background:rgba(255,255,255,.08);
}
.related-thumb{
  width:180px;height:108px;border-radius:12px;overflow:hidden;flex-shrink:0;
  background:var(--bg-tertiary);border:1px solid rgba(255,255,255,.06);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-item:hover .related-thumb img{transform:scale(1.05)}
.related-info{flex:1;min-width:0}
.related-info h3{
  font-size:18px;font-weight:600;color:#fff;margin-bottom:8px;line-height:1.4;
  transition:color .25s;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.related-item:hover .related-info h3{color:var(--cyan)}
.related-info p{
  font-size:14px;color:var(--text-secondary);margin-bottom:10px;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.related-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text-muted)}
.related-meta .cat{color:var(--gold-hover);font-weight:500}

/* ===== CTA 联系条 ===== */
.cta-band{
  position:relative;padding:90px 0;
  background:
    linear-gradient(135deg,rgba(11,20,37,.92),rgba(14,27,47,.88)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  text-align:center;border-top:1px solid rgba(201,168,106,.2);
}
.cta-band::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:120px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.cta-band h2{
  font-size:clamp(26px,4vw,38px);font-weight:700;color:#fff;margin-bottom:16px;
}
.cta-band p{
  color:var(--text-secondary);font-size:16px;max-width:560px;margin:0 auto 36px;
}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(to bottom,#0B1425,#081020);
  border-top:1px solid rgba(201,168,106,.2);
  padding:80px 0 0;position:relative;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,168,106,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:48px;padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand p{
  color:var(--text-secondary);font-size:14px;line-height:1.8;margin-top:20px;max-width:340px;
}
.footer-col h4{
  color:#fff;font-size:16px;font-weight:600;margin-bottom:22px;position:relative;
  padding-bottom:12px;
}
.footer-col h4::after{
  content:'';position:absolute;bottom:0;left:0;width:28px;height:2px;
  background:var(--gold);border-radius:2px;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.footer-col ul li{font-size:14px}
.footer-col ul li a{color:var(--text-secondary);text-decoration:none;transition:all .25s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:var(--cyan);padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:14px}
.footer-contact i{color:var(--gold);width:16px;text-align:center}
.footer-bottom{padding:28px 0}
.footer-bottom-inner{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{color:var(--text-muted);font-size:13px}
.footer-icp{color:var(--text-muted);font-size:13px}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .dock-header{width:calc(100% - 32px)}
  .dock-nav{display:none}
  .dock-nav.open{
    display:flex;flex-direction:column;position:fixed;top:80px;left:16px;right:16px;
    background:rgba(8,16,32,.97);border-radius:20px;
    border:1px solid rgba(201,168,106,.3);padding:16px;
    box-shadow:0 20px 60px rgba(0,0,0,.5);backdrop-filter:blur(20px);
  }
  .dock-nav.open a{width:100%;text-align:center;padding:14px}
  .dock-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .grid-container{padding-left:20px;padding-right:20px}
  .article-header{padding:140px 0 40px}
  .article-header h1{font-size:32px}
  .article-meta{gap:14px}
  .related-item{flex-direction:column;align-items:flex-start}
  .related-thumb{width:100%;height:170px}
  .related-header{flex-direction:column;align-items:flex-start}
  .cta-band{padding:64px 0}
}
@media (max-width:640px){
  .dock-header{width:calc(100% - 20px);padding:10px 14px;top:10px}
  .dock-header.scrolled{width:calc(100% - 16px);padding:8px 12px}
  .brand-logo{font-size:17px}
  .logo-mark{width:32px;height:32px;font-size:13px}
  .logo-sub{font-size:9px;letter-spacing:1px}
  .dock-actions .btn{padding:0;width:44px;height:44px;border-radius:50%}
  .dock-actions .btn .btn-text{display:none}
  .grid-container{padding-left:16px;padding-right:16px}
  .article-header{padding:120px 0 32px}
  .article-header h1{font-size:26px;line-height:1.3}
  .article-meta{flex-direction:column;gap:10px}
  .article-meta span{font-size:13px}
  .article-body-wrap{padding:40px 0}
  .article-content{font-size:15px;line-height:1.85}
  .article-content h2{font-size:22px;padding-left:14px}
  .article-content h3{font-size:19px}
  .article-content blockquote{padding:18px 20px;font-size:15px}
  .article-bottom{padding:32px 0 48px}
  .article-pagination{flex-direction:column;align-items:center}
  .nav-btn{width:100%;justify-content:center}
  .related-section{padding:56px 0}
  .related-item{padding:16px}
  .related-info h3{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom-inner{flex-direction:column;align-items:center;text-align:center}
  .cta-buttons{flex-direction:column;align-items:center}
  .cta-buttons .btn{width:100%;max-width:280px}
  .breadcrumb{font-size:12px}
  .breadcrumb .current{max-width:160px}
}

/* roulang page: category2 */
:root{
  --bg-primary:#081020;
  --bg-secondary:#0B1425;
  --bg-elevated:rgba(255,255,255,0.06);
  --border-color:rgba(255,255,255,0.10);
  --border-hover:rgba(255,255,255,0.18);
  --blue:#2E6BFF;
  --blue-light:#4A85FF;
  --cyan:#38BDF8;
  --gold:#C9A86A;
  --gold-light:#E6C88A;
  --text-primary:#E9EEF6;
  --text-secondary:#9AA9BC;
  --text-weak:#64748B;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow:0 10px 40px rgba(0,0,0,0.3);
  --shadow-hover:0 20px 60px rgba(0,0,0,0.5),0 0 0 1px rgba(201,168,106,0.15);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-en:"Inter","DIN Alternate",Arial;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:linear-gradient(180deg,#081020 0%,#0E1B2F 100%);
  color:var(--text-primary);
  line-height:1.75;
  font-size:16px;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--gold-light)}
button{font-family:var(--font-cn);cursor:pointer}
.container{max-width:1280px;margin:0 auto;padding:0 32px}
.grid-container{max-width:1280px}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  z-index:1000;display:flex;align-items:center;gap:20px;
  max-width:1200px;width:calc(100% - 48px);
  padding:14px 28px;border-radius:32px;
  background:rgba(8,16,32,0.78);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(201,168,106,0.4);
  box-shadow:0 8px 32px rgba(0,0,0,0.45);
  transition:all .35s ease;
}
.dock-header.scrolled{
  top:10px;max-width:1120px;padding:10px 24px;
  background:rgba(8,16,32,0.92);
  border-color:rgba(201,168,106,0.6);
}
.brand-logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--text-primary);
  letter-spacing:0.5px;white-space:nowrap;
}
.brand-logo .logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#081020;font-size:15px;flex-shrink:0;
  box-shadow:0 0 20px rgba(201,168,106,0.4);
}
.brand-logo small.logo-sub{
  display:block;font-size:10px;letter-spacing:2px;color:var(--gold);
  font-family:var(--font-en);font-weight:600;line-height:1;
}
.dock-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.dock-nav a{
  padding:8px 18px;border-radius:20px;color:var(--text-secondary);
  font-size:15px;font-weight:500;transition:all .25s ease;white-space:nowrap;
}
.dock-nav a:hover{color:var(--text-primary);background:rgba(255,255,255,0.06)}
.dock-nav a.active{
  color:var(--gold-light);background:rgba(201,168,106,0.12);
  box-shadow:inset 0 0 0 1px rgba(201,168,106,0.3);
}
.dock-actions{display:flex;align-items:center;gap:12px}
.dock-search{
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);
  color:var(--text-primary);display:flex;align-items:center;justify-content:center;
  transition:all .25s ease;font-size:15px;
}
.dock-search:hover{background:rgba(255,255,255,0.14);border-color:var(--gold);color:var(--gold-light)}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);
  color:var(--text-primary);font-size:16px;align-items:center;justify-content:center;
}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.4;min-height:44px;
  transition:all .3s ease;cursor:pointer;border:1px solid transparent;
  font-family:var(--font-cn);letter-spacing:0.3px;
}
.btn-primary{
  background:linear-gradient(135deg,#2E6BFF,#38BDF8);
  color:#fff;box-shadow:0 8px 30px rgba(46,107,255,0.35);
}
.btn-primary:hover{
  filter:brightness(1.1);transform:translateY(-2px);
  box-shadow:0 12px 40px rgba(46,107,255,0.5);color:#fff;
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.2);
  color:rgba(255,255,255,0.9);backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.12);border-color:var(--gold);
  color:var(--gold-light);transform:translateY(-2px);
}
.btn-gold{
  background:linear-gradient(135deg,#C9A86A,#E6C88A);
  color:#081020;font-weight:700;
  box-shadow:0 8px 30px rgba(201,168,106,0.3);
}
.btn-gold:hover{filter:brightness(1.1);transform:translateY(-2px);color:#081020;box-shadow:0 12px 40px rgba(201,168,106,0.45)}
.btn:focus-visible{outline:3px solid rgba(46,107,255,0.6);outline-offset:2px}

/* ---------- Hero 通栏封面 ---------- */
.page-hero{
  position:relative;min-height:480px;
  display:flex;align-items:center;padding:160px 0 80px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  margin-top:0;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,16,32,0.88) 0%,rgba(8,16,32,0.55) 50%,rgba(11,20,37,0.95) 100%);
}
.page-hero::after{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(201,168,106,0.08) 1px,transparent 1px),linear-gradient(90deg,rgba(201,168,106,0.08) 1px,transparent 1px);
  background-size:40px 40px;
}
.hero-content{position:relative;z-index:2;max-width:720px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 18px;border-radius:30px;margin-bottom:20px;
  background:rgba(201,168,106,0.15);border:1px solid rgba(201,168,106,0.4);
  color:var(--gold-light);font-size:13px;font-weight:600;letter-spacing:1px;
}
.hero-badge i{font-size:8px;color:var(--gold-light)}
.page-hero h1{
  font-size:54px;font-weight:800;line-height:1.2;
  color:#fff;margin-bottom:20px;
  background:linear-gradient(135deg,#fff 20%,var(--cyan) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.page-hero .hero-sub{
  font-size:20px;color:var(--text-secondary);font-weight:500;margin-bottom:16px;
}
.page-hero .hero-desc{
  font-size:16px;color:var(--text-secondary);max-width:600px;margin-bottom:32px;
  line-height:1.8;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:24px;margin-top:36px;flex-wrap:wrap;
}
.hero-meta-item{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-secondary);
}
.hero-meta-item i{color:var(--gold)}

/* ---------- 板块通用 ---------- */
.section{padding:100px 0}
.section-alt{background:rgba(255,255,255,0.02)}
.section-head{text-align:center;margin-bottom:56px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;color:var(--gold);
  letter-spacing:2px;margin-bottom:12px;font-weight:600;
}
.section-head h2{
  font-size:36px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:16px;
}
.section-head h2 span{color:var(--gold-light)}
.section-head p{
  font-size:16px;color:var(--text-secondary);max-width:660px;margin:0 auto;line-height:1.75;
}

/* ---------- 核心能力矩阵 2×2 ---------- */
.capability-grid .cap-card{
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.10);
  border-radius:var(--radius-lg);overflow:hidden;margin-bottom:28px;
  transition:all .35s ease;box-shadow:var(--shadow);
  height:calc(100% - 28px);display:flex;flex-direction:column;
}
.capability-grid .cap-card:hover{
  transform:translateY(-6px);border-color:rgba(201,168,106,0.4);
  box-shadow:var(--shadow-hover);
}
.cap-card-media{
  position:relative;height:200px;overflow:hidden;
}
.cap-card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.cap-card:hover .cap-card-media img{transform:scale(1.05)}
.cap-card-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(8,16,32,0.7) 100%);
}
.cap-card-body{padding:26px 28px 28px;flex:1;display:flex;flex-direction:column}
.cap-card-body h3{
  font-size:22px;font-weight:700;color:#fff;margin-bottom:12px;
}
.cap-card-body h3 i{
  color:var(--gold);margin-right:8px;font-size:18px;
}
.cap-card-body p{
  font-size:15px;color:var(--text-secondary);line-height:1.75;
  margin-bottom:18px;flex:1;
}
.cap-tags{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.cap-tags span{
  padding:4px 14px;border-radius:20px;font-size:12px;
  background:rgba(46,107,255,0.15);border:1px solid rgba(46,107,255,0.3);
  color:var(--cyan);
}
.cap-tags span:last-child{
  background:rgba(201,168,106,0.12);border-color:rgba(201,168,106,0.3);color:var(--gold-light);
}
.card-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold-light);font-size:14px;font-weight:600;
  transition:gap .3s ease;margin-top:auto;
}
.card-link:hover{gap:14px;color:var(--cyan)}
.card-link i{font-size:12px}

/* ---------- 技术指标 ---------- */
.metrics-section{
  background:var(--bg-secondary);padding:70px 0;
  border-top:1px solid rgba(201,168,106,0.2);
  border-bottom:1px solid rgba(201,168,106,0.2);
}
.metrics-grid .metric-item{
  text-align:center;padding:20px;
}
.metric-num{
  font-family:var(--font-en);font-size:44px;font-weight:800;
  background:linear-gradient(135deg,#C9A86A,#E6C88A);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.2;
}
.metric-label{font-size:14px;color:var(--text-secondary);margin-top:8px}
.metric-desc{font-size:12px;color:var(--text-weak);margin-top:4px}

/* ---------- 应用领域图文交替 ---------- */
.app-area{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  margin-bottom:80px;
}
.app-area:last-child{margin-bottom:0}
.app-media{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  box-shadow:var(--shadow);height:340px;
}
.app-media img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease;
}
.app-media:hover img{transform:scale(1.04)}
.app-media::after{
  content:'';position:absolute;inset:0;
  border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius-lg);
}
.app-area.reverse .app-media{order:2}
.app-area.reverse .app-content{order:1}
.app-content .app-num{
  font-family:var(--font-en);font-size:16px;font-weight:700;color:var(--gold);
  letter-spacing:2px;margin-bottom:8px;
}
.app-content h3{
  font-size:28px;font-weight:700;color:#fff;margin-bottom:14px;
}
.app-content h3 i{color:var(--gold);margin-right:8px}
.app-content .app-target{
  font-size:14px;color:var(--gold-light);margin-bottom:16px;font-weight:500;
}
.app-content p{font-size:15px;color:var(--text-secondary);line-height:1.8;margin-bottom:20px}
.app-points{list-style:none;padding:0;margin:0 0 24px}
.app-points li{
  padding:8px 0 8px 24px;position:relative;
  font-size:15px;color:var(--text-secondary);
}
.app-points li::before{
  content:'\f058';font-family:'Font Awesome 6 Free';font-weight:900;
  position:absolute;left:0;top:8px;color:var(--gold);font-size:14px;
}
.app-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold-light);font-weight:600;font-size:15px;
  transition:gap .3s ease;
}
.app-link:hover{gap:14px;color:var(--cyan)}

/* ---------- 合作流程 ---------- */
.process-section{background:var(--bg-secondary)}
.process-step{
  text-align:center;padding:32px 20px;position:relative;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius-md);height:100%;
  transition:all .3s ease;
}
.process-step:hover{
  border-color:rgba(201,168,106,0.4);
  background:rgba(255,255,255,0.07);
  transform:translateY(-4px);
}
.process-step .step-num{
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,#C9A86A,#E6C88A);
  color:#081020;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;font-family:var(--font-en);
  box-shadow:0 4px 20px rgba(201,168,106,0.4);
}
.process-step h4{font-size:18px;font-weight:600;color:#fff;margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin:0}
.process-arrow{
  position:absolute;right:-20px;top:50%;transform:translateY(-50%);
  color:var(--gold);font-size:16px;z-index:2;
}
@media (max-width:640px){
  .process-arrow{display:none}
}

/* ---------- FAQ ---------- */
.faq-section .faq-wrap{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius-lg);
  padding:40px;
}
.accordion{
  margin:0;padding:0;list-style:none;
  background:transparent !important;border:none !important;
}
.accordion-item{
  background:transparent !important;border:none !important;
  border-bottom:1px solid rgba(201,168,106,0.2) !important;
  margin-bottom:0 !important;
}
.accordion-item:last-child{border-bottom:none !important}
.accordion-title{
  background:transparent !important;border:none !important;
  color:var(--text-primary) !important;font-size:17px;font-weight:600;
  padding:22px 40px 22px 0 !important;
  position:relative;transition:color .3s;
}
.accordion-title::before{
  content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--gold);font-size:14px;transition:transform .3s ease;
}
.accordion-item.is-active .accordion-title::before{
  content:'\f068';transform:translateY(-50%) rotate(180deg);
}
.accordion-title:hover{color:var(--gold-light) !important}
.accordion-content{
  background:transparent !important;border:none !important;
  color:var(--text-secondary) !important;
  font-size:15px;line-height:1.8;padding:0 0 24px !important;
}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;padding:100px 0;text-align:center;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;background-attachment:fixed;
}
.cta-banner::before{
  content:'';position:absolute;inset:0;
  background:rgba(8,16,32,0.85);
}
.cta-content{position:relative;z-index:2;max-width:680px;margin:0 auto}
.cta-content h2{
  font-size:36px;font-weight:700;color:#fff;margin-bottom:16px;
  line-height:1.3;
}
.cta-content h2 span{color:var(--gold-light)}
.cta-content p{
  font-size:17px;color:var(--text-secondary);margin-bottom:36px;
}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#07101F;border-top:1px solid rgba(201,168,106,0.3);
  padding:70px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:48px;
}
.footer-brand .brand-logo{margin-bottom:18px}
.footer-brand p{
  font-size:14px;color:var(--text-secondary);line-height:1.8;
  max-width:280px;
}
.footer-col h4{
  font-size:16px;color:#fff;font-weight:600;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;
  background:var(--gold);border-radius:2px;
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  color:var(--text-secondary);font-size:14px;transition:all .25s;
}
.footer-col ul li a:hover{color:var(--gold-light);padding-left:6px}
.footer-contact li{
  color:var(--text-secondary);font-size:14px;
  display:flex;align-items:flex-start;gap:10px;
}
.footer-contact li i{color:var(--gold);margin-top:4px;font-size:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:22px 0;
}
.footer-bottom-inner{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px;max-width:1280px;margin:0 auto;
}
.footer-bottom p{font-size:13px;color:var(--text-weak);margin:0}
.footer-icp{font-size:13px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:80px 0}
  .page-hero{padding:140px 0 60px;min-height:420px}
  .page-hero h1{font-size:44px}
  .section-head h2{font-size:32px}
  .app-area{grid-template-columns:1fr;gap:40px}
  .app-area.reverse .app-media{order:1}
  .app-area.reverse .app-content{order:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .dock-header{
    width:calc(100% - 24px);padding:10px 16px;gap:8px;
    top:8px;border-radius:24px;
  }
  .brand-logo{font-size:17px;gap:8px}
  .brand-logo .logo-mark{width:32px;height:32px;font-size:13px}
  .brand-logo small.logo-sub{font-size:9px}
  .dock-nav{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;background:rgba(8,16,32,0.97);
    border-radius:20px;padding:14px;gap:4px;
    border:1px solid rgba(201,168,106,0.35);
    backdrop-filter:blur(20px);box-shadow:0 20px 40px rgba(0,0,0,0.5);
  }
  .dock-nav.open{display:flex}
  .dock-nav a{
    padding:12px 16px;font-size:15px;border-radius:12px;
    width:100%;text-align:left;
  }
  .dock-actions .btn .btn-text{display:none}
  .dock-actions .btn{padding:0;width:40px;border-radius:20px}
  .dock-toggle{display:flex}
  .page-hero{padding:120px 0 50px;min-height:auto}
  .page-hero h1{font-size:34px}
  .page-hero .hero-sub{font-size:16px}
  .page-hero .hero-desc{font-size:14px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero-actions .btn{width:100%}
  .metrics-grid .metric-item{padding:16px 8px}
  .metric-num{font-size:32px}
  .faq-section .faq-wrap{padding:24px}
  .accordion-title{font-size:15px;padding:18px 34px 18px 0 !important}
  .cta-banner{padding:70px 0}
  .cta-content h2{font-size:28px}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn{width:100%;max-width:360px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .container{padding:0 20px}
}
@media (max-width:520px){
  .section{padding:56px 0}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:26px}
  .page-hero h1{font-size:30px}
  .cap-card-body{padding:20px}
  .cap-card-media{height:160px}
  .app-media{height:240px}
  .app-content h3{font-size:22px}
  .footer-bottom-inner{flex-direction:column;text-align:center;gap:6px}
}

/* roulang page: category3 */
:root {
        --bg-primary: #081020;
        --bg-secondary: #0B1425;
        --bg-tertiary: rgba(255,255,255,0.02);
        --blue: #2E6BFF;
        --blue-light: #4A85FF;
        --cyan: #38BDF8;
        --gold: #C9A86A;
        --gold-light: #E6C88A;
        --text-primary: #E9EEF6;
        --text-secondary: #9AA9BC;
        --text-muted: #64748B;
        --border-glass: rgba(255,255,255,0.12);
        --border-gold: rgba(201,168,106,0.45);
        --radius-lg: 20px;
        --radius-md: 16px;
        --radius-sm: 10px;
        --shadow-card: 0 10px 40px rgba(0,0,0,0.3);
        --shadow-hover: 0 20px 60px rgba(0,0,0,0.5);
        --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
        --font-num: "Inter", "DIN Alternate", Arial, sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: var(--font-main);
        color: var(--text-primary);
        background: linear-gradient(165deg, #081020 0%, #0E1B2F 45%, #081020 100%);
        line-height: 1.75;
        font-size: 15px;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease; }
    ul, ol { list-style: none; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
    @media (max-width: 640px) {
        .container { padding: 0 24px; }
    }

    /* ===== 背景装饰 ===== */
    .page-bg {
        position: fixed; inset: 0; z-index: -1; pointer-events: none;
        background:
            radial-gradient(800px 400px at 20% 10%, rgba(46,107,255,0.12), transparent 60%),
            radial-gradient(600px 350px at 85% 30%, rgba(56,189,248,0.08), transparent 60%),
            radial-gradient(700px 500px at 60% 80%, rgba(201,168,106,0.05), transparent 55%);
    }

    /* ===== 浮动Dock导航 ===== */
    .dock-header {
        position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
        width: calc(100% - 42px); max-width: 1160px; z-index: 999;
        display: flex; align-items: center; justify-content: space-between;
        padding: 12px 26px; border-radius: 28px;
        background: rgba(10, 18, 32, 0.72);
        backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
        border: 1px solid var(--border-gold);
        box-shadow: 0 8px 32px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(255,255,255,0.02);
        transition: top .35s ease, padding .35s ease, background .35s ease, box-shadow .35s ease;
    }
    .dock-header.docked {
        top: 8px; padding: 9px 22px;
        background: rgba(8, 16, 32, 0.86);
        box-shadow: 0 12px 44px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.03);
    }
    .brand-logo {
        display: flex; align-items: center; gap: 10px;
        font-size: 1.35rem; font-weight: 800; letter-spacing: .5px;
        color: var(--text-primary); line-height: 1.2; flex-shrink: 0;
    }
    .brand-logo .logo-mark {
        width: 34px; height: 34px; border-radius: 9px;
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        display: flex; align-items: center; justify-content: center;
        font-size: 15px; color: #081020;
        box-shadow: 0 4px 14px rgba(201,168,106,0.35);
    }
    .brand-logo .logo-sub {
        display: block; font-size: 10px; font-weight: 500;
        color: var(--text-muted); letter-spacing: 2px; margin-top: 2px;
        font-family: var(--font-num);
    }
    .dock-nav {
        display: flex; align-items: center; gap: 2px;
    }
    .dock-nav a {
        padding: 9px 18px; border-radius: 999px;
        font-size: 14px; font-weight: 500; color: var(--text-secondary);
        transition: all .25s ease; white-space: nowrap;
    }
    .dock-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
    .dock-nav a.active {
        color: #081020; font-weight: 700;
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        box-shadow: 0 4px 16px rgba(201,168,106,0.3);
    }
    .dock-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .dock-search {
        width: 40px; height: 40px; border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        color: var(--text-secondary); font-size: 15px;
        border: 1px solid rgba(255,255,255,0.1);
        transition: all .25s ease;
    }
    .dock-search:hover { color: var(--gold-light); border-color: var(--border-gold); background: rgba(255,255,255,0.05); }
    .dock-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; align-items: center; justify-content: center; color: var(--text-primary); font-size: 18px; border: 1px solid rgba(255,255,255,0.1); }
    .btn {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        padding: 12px 28px; border-radius: 10px; font-size: 14px; font-weight: 600;
        line-height: 1.4; transition: all .3s ease; min-height: 44px;
        text-align: center; white-space: nowrap;
    }
    .btn:focus-visible { outline: 3px solid rgba(56,189,248,0.55); outline-offset: 2px; }
    .btn-primary {
        background: linear-gradient(135deg, var(--blue), var(--cyan));
        color: #fff;
        box-shadow: 0 8px 30px rgba(46,107,255,0.4);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 38px rgba(46,107,255,0.55); filter: brightness(1.08); }
    .btn-primary:active { transform: translateY(1px); }
    .btn-secondary {
        background: rgba(255,255,255,0.06);
        color: rgba(255,255,255,0.92);
        border: 1px solid rgba(255,255,255,0.18);
        backdrop-filter: blur(10px);
    }
    .btn-secondary:hover { background: rgba(255,255,255,0.12); border-color: var(--border-gold); color: var(--gold-light); transform: translateY(-2px); }
    .btn-secondary:active { transform: translateY(1px); }
    .btn-gold {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        color: #081020;
        box-shadow: 0 8px 30px rgba(201,168,106,0.35);
    }
    .btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(201,168,106,0.5); filter: brightness(1.06); }
    .btn-gold:active { transform: translateY(1px); }

    /* ===== 分类Hero ===== */
    .category-hero {
        position: relative;
        padding: 180px 0 90px;
        background: linear-gradient(180deg, rgba(8,16,32,0.6) 0%, rgba(8,16,32,0.85) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        overflow: hidden;
    }
    .category-hero::after {
        content: ''; position: absolute; inset: 0; pointer-events: none;
        background: linear-gradient(135deg, rgba(46,107,255,0.08) 0%, transparent 50%, rgba(201,168,106,0.08) 100%);
    }
    .category-hero .container { position: relative; z-index: 2; text-align: center; }
    .hero-badge {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 7px 18px; border-radius: 999px;
        background: rgba(255,255,255,0.07); border: 1px solid var(--border-gold);
        color: var(--gold-light); font-size: 13px; font-weight: 500; letter-spacing: 2px;
        margin-bottom: 24px;
    }
    .hero-badge::before {
        content: ''; width: 6px; height: 6px; border-radius: 50%;
        background: var(--gold-light); box-shadow: 0 0 10px rgba(201,168,106,0.8);
    }
    .category-hero h1 {
        font-size: clamp(36px, 6vw, 56px); font-weight: 800; line-height: 1.2;
        color: #fff; letter-spacing: 1px; margin-bottom: 18px;
    }
    .category-hero h1 .gold {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-subtitle {
        font-size: clamp(16px, 2vw, 20px); color: var(--text-secondary);
        max-width: 600px; margin: 0 auto 36px; line-height: 1.7;
    }
    .hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }
    .hero-stats {
        display: flex; justify-content: center; gap: 24px; flex-wrap: wrap;
        padding: 28px 36px; border-radius: var(--radius-lg);
        background: rgba(255,255,255,0.05); border: 1px solid var(--border-glass);
        backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
        max-width: 680px; margin: 0 auto;
    }
    .stat-item { text-align: center; padding: 0 16px; min-width: 120px; }
    .stat-item + .stat-item { border-left: 1px solid rgba(255,255,255,0.1); }
    .stat-num {
        font-family: var(--font-num); font-size: 38px; font-weight: 800;
        background: linear-gradient(135deg, var(--gold-light), var(--gold));
        -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        background-clip: text; line-height: 1.2; display: block;
    }
    .stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 6px; display: block; }

    /* ===== 概览区 ===== */
    .section-intro {
        padding: 90px 0 60px;
        background: var(--bg-secondary);
        border-bottom: 1px solid rgba(201,168,106,0.15);
    }
    .intro-wrapper { max-width: 900px; margin: 0 auto; text-align: center; }
    .intro-wrapper p {
        font-size: 16px; color: var(--text-secondary); line-height: 2;
        margin-bottom: 20px;
    }
    .intro-wrapper p strong { color: var(--text-primary); font-weight: 600; }
    .intro-divider {
        width: 60px; height: 2px; margin: 28px auto 0;
        background: linear-gradient(90deg, transparent, var(--gold), transparent);
    }

    /* ===== 交错内容区 ===== */
    .alt-content { padding: 100px 0 40px; background: var(--bg-primary); }
    .alt-row {
        display: flex; align-items: center; gap: clamp(30px, 6vw, 80px);
        margin-bottom: 90px; position: relative;
    }
    .alt-row::after {
        content: ''; position: absolute; bottom: -45px; left: 15%; right: 15%;
        height: 1px; background: linear-gradient(90deg, transparent, rgba(201,168,106,0.3), transparent);
    }
    .alt-row:last-child::after { display: none; }
    .alt-media {
        flex: 0 0 46%; position: relative;
    }
    .alt-media .img-frame {
        border-radius: var(--radius-lg); overflow: hidden;
        box-shadow: var(--shadow-card);
        position: relative;
        transition: transform .4s ease, box-shadow .4s ease;
        border: 1px solid rgba(255,255,255,0.08);
    }
    .alt-media .img-frame::after {
        content: ''; position: absolute; inset: 0;
        background: linear-gradient(135deg, rgba(46,107,255,0.06), rgba(201,168,106,0.1));
        pointer-events: none;
    }
    .alt-row:hover .img-frame { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
    .alt-media img { width: 100%; height: 340px; object-fit: cover; }
    .alt-media .img-tag {
        position: absolute; top: 14px; left: 14px; z-index: 2;
        padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 500;
        background: rgba(8,16,32,0.8); color: var(--gold-light);
        border: 1px solid var(--border-gold); backdrop-filter: blur(8px);
    }
    .alt-content-side { flex: 1; }
    .alt-number {
        display: inline-flex; align-items: center; gap: 8px;
        font-family: var(--font-num); font-size: 14px; font-weight: 700;
        color: var(--gold); letter-spacing: 3px; margin-bottom: 14px;
    }
    .alt-number::before { content: ''; width: 24px; height: 1px; background: var(--gold); }
    .alt-content-side h2 {
        font-size: clamp(24px, 3vw, 34px); font-weight: 700; color: #fff;
        margin-bottom: 16px; line-height: 1.3;
    }
    .alt-content-side p {
        font-size: 15px; color: var(--text-secondary); line-height: 1.85; margin-bottom: 22px;
    }
    .alt-list { margin-bottom: 24px; }
    .alt-list li {
        position: relative; padding-left: 22px; margin-bottom: 10px;
        font-size: 14px; color: var(--text-secondary);
    }
    .alt-list li::before {
        content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
        position: absolute; left: 0; top: 1px;
        font-size: 12px; color: var(--gold-light);
    }
    .alt-link {
        display: inline-flex; align-items: center; gap: 6px;
        font-size: 14px; font-weight: 600; color: var(--cyan);
        transition: all .3s ease;
    }
    .alt-link i { transition: transform .3s ease; }
    .alt-link:hover { color: var(--gold-light); }
    .alt-link:hover i { transform: translateX(4px); }
    .alt-row--reverse .alt-media { order: 2; }
    .alt-row--reverse .alt-content-side { order: 1; }

    /* ===== 流程区 ===== */
    .process-section {
        padding: 90px 0 100px;
        background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    }
    .section-head { text-align: center; max-width: 680px; margin: 0 auto 70px; }
    .section-head .section-kicker {
        font-size: 13px; color: var(--gold); letter-spacing: 3px;
        text-transform: uppercase; font-weight: 600; display: block; margin-bottom: 10px;
    }
    .section-head h2 {
        font-size: clamp(28px, 4vw, 40px); font-weight: 700; color: #fff; line-height: 1.3;
        margin-bottom: 16px;
    }
    .section-head p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }
    .process-grid {
        display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
    }
    .process-step {
        position: relative; text-align: center;
        padding: 38px 24px 32px;
        border-radius: var(--radius-md);
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.08);
        transition: all .35s ease;
    }
    .process-step:hover {
        background: rgba(255,255,255,0.07);
        border-color: var(--border-gold);
        transform: translateY(-4px);
        box-shadow: 0 16px 40px rgba(0,0,0,0.35);
    }
    .process-step .step-num {
        width: 48px; height: 48px; margin: 0 auto 20px;
        border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        font-family: var(--font-num); font-size: 18px; font-weight: 800;
        color: #081020;
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        box-shadow: 0 6px 20px rgba(201,168,106,0.35);
    }
    .process-step h3 { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 10px; }
    .process-step p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
    .process-step::after {
        content: ''; position: absolute; top: 60px; right: -18px;
        width: 18px; height: 1px; background: var(--gold); opacity: 0.5;
    }
    .process-step:last-child::after { display: none; }

    /* ===== FAQ区 ===== */
    .faq-section {
        padding: 100px 0;
        background: var(--bg-primary);
    }
    .faq-wrapper {
        display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px;
        align-items: start;
    }
    .faq-intro .section-kicker {
        font-size: 13px; color: var(--gold); letter-spacing: 3px; font-weight: 600;
        display: block; margin-bottom: 12px;
    }
    .faq-intro h2 {
        font-size: clamp(26px, 3.5vw, 36px); font-weight: 700; color: #fff;
        line-height: 1.3; margin-bottom: 18px;
    }
    .faq-intro p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
    .faq-intro .faq-contact-link {
        display: inline-flex; align-items: center; gap: 8px;
        color: var(--cyan); font-weight: 600; font-size: 14px;
        transition: color .3s ease;
    }
    .faq-intro .faq-contact-link:hover { color: var(--gold-light); }
    .accordion {
        border-radius: var(--radius-md);
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.08);
        overflow: hidden;
    }
    .accordion-item {
        border-bottom: 1px solid rgba(255,255,255,0.07);
    }
    .accordion-item:last-child { border-bottom: none; }
    .accordion-title {
        display: flex; align-items: center; justify-content: space-between;
        padding: 22px 28px; font-size: 16px; font-weight: 600; color: var(--text-primary);
        cursor: pointer; transition: background .3s ease, color .3s ease;
        background: transparent;
    }
    .accordion-title:hover { background: rgba(255,255,255,0.03); color: var(--gold-light); }
    .accordion-title::after {
        content: '\f067'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
        font-size: 13px; color: var(--gold); transition: transform .3s ease;
        flex-shrink: 0; margin-left: 16px;
    }
    .accordion-item.is-active .accordion-title::after { transform: rotate(45deg); }
    .accordion-content {
        padding: 0 28px 24px; font-size: 14px; color: var(--text-secondary);
        line-height: 1.8; display: none;
    }
    .accordion-item.is-active .accordion-content { display: block; }

    /* ===== CTA区 ===== */
    .cta-section {
        position: relative; padding: 0 0 100px;
        background: var(--bg-primary);
    }
    .cta-banner {
        position: relative; border-radius: var(--radius-lg); overflow: hidden;
        padding: 80px 50px; text-align: center;
        background: linear-gradient(135deg, rgba(46,107,255,0.25), rgba(8,16,32,0.92)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        border: 1px solid var(--border-gold);
    }
    .cta-banner::before {
        content: ''; position: absolute; top: 0; left: 0; right: 0;
        height: 1px; background: linear-gradient(90deg, transparent, var(--gold-light), transparent);
    }
    .cta-banner h2 {
        font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; color: #fff;
        margin-bottom: 14px; line-height: 1.3;
    }
    .cta-banner p {
        font-size: 15px; color: var(--text-secondary); max-width: 560px;
        margin: 0 auto 30px; line-height: 1.8;
    }
    .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

    /* ===== 返回导航 ===== */
    .back-nav {
        padding: 0 0 90px; background: var(--bg-primary); text-align: center;
    }
    .back-nav .inner {
        display: inline-flex; align-items: center; gap: 20px;
        padding: 16px 32px; border-radius: 999px;
        background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
    }
    .back-nav a {
        font-size: 14px; font-weight: 500; color: var(--text-secondary);
        transition: color .3s ease; display: inline-flex; align-items: center; gap: 6px;
    }
    .back-nav a:hover { color: var(--gold-light); }
    .back-nav .sep { color: var(--text-muted); font-size: 13px; }

    /* ===== 页脚 ===== */
    .site-footer {
        background: #060C18;
        border-top: 1px solid rgba(201,168,106,0.2);
        padding-top: 70px;
    }
    .site-footer .footer-grid {
        display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px;
        padding-bottom: 50px;
    }
    .site-footer .brand-logo { margin-bottom: 18px; }
    .footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.8; max-width: 320px; }
    .footer-col h4 {
        font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 20px;
        position: relative; padding-bottom: 10px;
    }
    .footer-col h4::after {
        content: ''; position: absolute; bottom: 0; left: 0;
        width: 28px; height: 2px; background: var(--gold); border-radius: 2px;
    }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul a {
        font-size: 14px; color: var(--text-muted);
        transition: color .3s ease, padding-left .3s ease;
    }
    .footer-col ul a:hover { color: var(--gold-light); padding-left: 4px; }
    .footer-contact li {
        display: flex; align-items: flex-start; gap: 10px;
        font-size: 14px; color: var(--text-muted); line-height: 1.7;
    }
    .footer-contact i { color: var(--gold); margin-top: 4px; width: 16px; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.07);
        padding: 20px 0;
    }
    .footer-bottom-inner {
        display: flex; justify-content: space-between; align-items: center;
        flex-wrap: wrap; gap: 10px;
    }
    .footer-bottom p { font-size: 13px; color: var(--text-muted); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .dock-nav { display: none; }
        .dock-toggle { display: flex; }
        .dock-header.mobile-open .dock-nav {
            display: flex; flex-direction: column; align-items: flex-start;
            position: absolute; top: calc(100% + 12px); left: 16px; right: 16px;
            background: rgba(8,16,32,0.96); border-radius: 16px;
            border: 1px solid var(--border-glass); padding: 16px; gap: 4px;
        }
        .dock-header.mobile-open .dock-nav a { width: 100%; padding: 12px 16px; }
        .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .process-step::after { display: none; }
        .faq-wrapper { grid-template-columns: 1fr; gap: 36px; }
        .alt-row { flex-direction: column; gap: 30px; }
        .alt-row--reverse .alt-media { order: 1; }
        .alt-row--reverse .alt-content-side { order: 2; }
        .alt-media, .alt-content-side { flex: 0 0 100%; width: 100%; }
        .alt-media img { height: 280px; }
        .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    }
    @media (max-width: 640px) {
        .dock-header { width: calc(100% - 24px); top: 12px; padding: 10px 18px; }
        .brand-logo { font-size: 1.1rem; }
        .brand-logo .logo-mark { width: 30px; height: 30px; font-size: 13px; }
        .dock-header .btn-text { display: none; }
        .dock-header .btn { width: 44px; padding: 0; }
        .category-hero { padding: 140px 0 60px; }
        .hero-stats { flex-direction: column; gap: 16px; padding: 24px; }
        .stat-item + .stat-item { border-left: none; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 16px; }
        .process-grid { grid-template-columns: 1fr; }
        .cta-banner { padding: 50px 24px; }
        .site-footer .footer-grid { grid-template-columns: 1fr; }
        .footer-bottom-inner { flex-direction: column; text-align: center; }
        .back-nav .inner { flex-wrap: wrap; justify-content: center; gap: 10px; padding: 16px 20px; }
    }