/* xian 内容页公共样式
 * 从 /xian/*/index.html 内联 <style> 抽离，供西安总站及 13 个区县页共用
 * 加载顺序：bootstrap → bootstrap-icons → style.css（仅 .brand 等少量复用）→ xian.css
 */
* { box-sizing: border-box; }
:root {
  --xa-navy: #0a1628;
  --xa-blue: #1e3a5f;
  --xa-gold: #2563eb;
  --xa-gold-light: #3b82f6;
  --xa-gold-deep: #1d4ed8;
  --xa-accent: #06b6d4;
  --xa-ink: #1a2332;
  --xa-soft: #5b6675;
  --xa-line: #e6ecf5;
  --xa-bg: #f7faff;
}
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(59, 130, 246, .08) 0, transparent 50%),
    radial-gradient(ellipse at 80% 10%, rgba(6, 182, 212, .07) 0, transparent 50%),
    linear-gradient(180deg, #fff 0%, var(--xa-bg) 100%);
  background-attachment: fixed;
  color: var(--xa-ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Inter", -apple-system, sans-serif;
  overflow-x: hidden;
}
.container-xa { max-width: 1400px; margin: 0 auto; padding: 0 1.5rem; }

/* === 顶部条 === */
.xa-topbar {
  background: var(--xa-navy); color: #cbd5e1;
  padding: .55rem 0; font-size: .82rem; border-bottom: 1px solid rgba(37,99,235,.12);
}
.xa-topbar a { color: #94a3b8; text-decoration: none; }
.xa-topbar a:hover { color: var(--xa-gold-light); }
.xa-topbar .container-xa { display: flex; justify-content: space-between; align-items: center; flex-wrap: nowrap; gap: .5rem; }
.xa-topbar .container-xa > span { display: flex; align-items: center; gap: .35rem; white-space: nowrap; }
@media (max-width: 991px) { .xa-topbar .container-xa { flex-wrap: wrap; } }
.xa-topbar .badge-xa {
  display: inline-flex; align-items: center; gap: .35rem;
  background: rgba(37,99,235,.12); color: var(--xa-gold-light);
  padding: .15rem .6rem; border-radius: 4px; font-size: .72rem; margin-left: .5rem;
  border: 1px solid rgba(37,99,235,.25);
}

/* === 导航 === */
.xa-nav {
  background: rgba(255,255,255,.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--xa-line);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 4px 24px rgba(10,22,40,.05);
}
.xa-nav .container-xa { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; }
.xa-logo {
  text-decoration: none;
}
.xa-nav-links { display: flex; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.xa-nav-links a {
  color: var(--xa-ink); text-decoration: none; font-size: .92rem;
  font-weight: 500; transition: color .2s; position: relative;
}
.xa-nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; background: var(--xa-gold); transition: width .25s;
}
.xa-nav-links a:hover { color: var(--xa-gold); }
.xa-nav-links a:hover::after { width: 100%; }
.xa-nav-cta {
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep)); color: #fff;
  padding: .6rem 1.5rem; border-radius: 6px; font-size: .88rem; font-weight: 600;
  text-decoration: none; transition: all .2s;
  box-shadow: 0 4px 16px rgba(37,99,235,.3);
}
.xa-nav-cta:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,.45); }
@media (max-width: 991px) { .xa-nav-links { display: none; } }

/* === Hero 全屏视觉 === */
.xa-hero {
  background:
    radial-gradient(ellipse at 80% 20%, rgba(37,99,235,.18), transparent 50%),
    radial-gradient(ellipse at 10% 80%, rgba(30,58,95,.6), transparent 60%),
    linear-gradient(135deg, #0a1628 0%, #122a45 45%, #1e3a5f 100%);
  color: #fff; padding: 6rem 0 5rem; position: relative; overflow: hidden;
}
.xa-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.xa-hero::after {
  content: ''; position: absolute; right: -150px; top: -150px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,.15), transparent 70%);
  pointer-events: none;
}
.xa-hero .container-xa { position: relative; z-index: 1; }
.xa-hero-inner { display: flex; align-items: center; gap: 3rem; flex-wrap: wrap; }
.xa-hero-content { flex: 1; min-width: 320px; }
.xa-hero-visual { flex: 0 0 380px; display: none; }
@media (min-width: 992px) { .xa-hero-visual { display: block; } }

.xa-hero-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(37,99,235,.12); color: var(--xa-gold-light);
  border: 1px solid rgba(37,99,235,.35); padding: .4rem 1.1rem;
  border-radius: 50rem; font-size: .78rem; font-weight: 600;
  letter-spacing: 2px; margin-bottom: 1.8rem;
}
.xa-hero-tag .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--xa-gold);
  box-shadow: 0 0 12px var(--xa-gold); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }
.xa-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 900; line-height: 1.15;
  letter-spacing: 2px; margin: 0 0 1.3rem;
}
.xa-hero h1 .gold {
  background: linear-gradient(135deg, var(--xa-gold-light), var(--xa-gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.xa-hero-desc {
  font-size: 1.08rem; color: #cbd5e1; line-height: 1.9;
  max-width: 620px; margin-bottom: 2.5rem;
}
.xa-hero-desc strong { color: #fff; font-weight: 600; }
.xa-hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.xa-btn-primary {
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep)); color: #fff;
  padding: .9rem 2.4rem; border-radius: 6px; font-weight: 600; font-size: .96rem;
  text-decoration: none; display: inline-flex; align-items: center; gap: .5rem;
  box-shadow: 0 4px 24px rgba(37,99,235,.4); transition: all .25s;
  border: 1px solid rgba(255,255,255,.1);
}
.xa-btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(37,99,235,.55); }
.xa-btn-ghost {
  background: rgba(255,255,255,.04); color: #e2e8f0; border: 1px solid rgba(255,255,255,.22);
  padding: .9rem 2.4rem; border-radius: 6px; font-weight: 600; font-size: .96rem;
  text-decoration: none; display: inline-flex; align-items: center; gap: .5rem; transition: all .25s;
}
.xa-btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.4); }

/* Hero 数据 */
.xa-hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  padding: 2rem 0 0; border-top: 1px solid rgba(255,255,255,.1);
}
.xa-stat-num {
  font-size: 2.4rem; font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, var(--xa-gold-light), var(--xa-gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.xa-stat-label { font-size: .8rem; color: #94a3b8; margin-top: .4rem; letter-spacing: .5px; }

/* Hero 视觉 - 西安地标SVG */
.xa-hero-visual {
  position: relative; height: 420px;
}
.xa-landmark {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.xa-landmark svg {
  width: 100%; height: 100%; max-width: 360px;
  filter: drop-shadow(0 0 40px rgba(37,99,235,.25));
}
.xa-visual-ring {
  position: absolute; inset: 10%;
  border: 1px solid rgba(37,99,235,.2); border-radius: 50%;
  animation: ring-rotate 30s linear infinite;
}
.xa-visual-ring::before {
  content: ''; position: absolute; top: -4px; left: 50%;
  width: 8px; height: 8px; border-radius: 50%; background: var(--xa-gold);
  box-shadow: 0 0 16px var(--xa-gold);
}
@keyframes ring-rotate { to { transform: rotate(360deg); } }

/* === 信任栏 === */
.xa-trust {
  background: #fff; padding: 2.5rem 0; border-bottom: 1px solid var(--xa-line);
}
.xa-trust-title {
  text-align: center; color: var(--xa-soft); font-size: .85rem;
  letter-spacing: 3px; margin-bottom: 1.8rem; font-weight: 500;
}
.xa-trust-list {
  display: flex; justify-content: center; align-items: center;
  flex-wrap: wrap; gap: 3rem;
}
.xa-trust-item {
  display: flex; align-items: center; gap: .6rem;
  color: #64748b; font-size: .95rem; font-weight: 500;
}
.xa-trust-item i {
  font-size: 1.4rem; color: var(--xa-gold);
}

/* === 通用 section === */
.xa-sec { padding: 5.5rem 0; position: relative; }
.xa-sec-head { text-align: center; margin-bottom: 3.5rem; }
.xa-sec-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--xa-gold); font-size: .78rem; font-weight: 700;
  letter-spacing: 4px; margin-bottom: .8rem; text-transform: uppercase;
}
.xa-sec-tag::before, .xa-sec-tag::after {
  content: ''; width: 24px; height: 1px; background: var(--xa-gold); opacity: .5;
}
.xa-sec-title {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem); font-weight: 800;
  color: var(--xa-navy); margin: 0 0 .8rem; letter-spacing: 1px;
}
.xa-sec-title .accent {
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.xa-sec-desc {
  color: var(--xa-soft); font-size: 1rem; max-width: 680px;
  margin: 0 auto; line-height: 1.9;
}

/* === 服务卡片 === */
.xa-services-sec { background: linear-gradient(180deg, #fff, var(--xa-bg)); }
.xa-svc {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 14px;
  padding: 2.3rem 2rem; height: 100%; transition: all .35s;
  position: relative; overflow: hidden;
}
.xa-svc::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--xa-gold), var(--xa-gold-deep));
  transform: scaleX(0); transform-origin: left; transition: transform .35s;
}
.xa-svc:hover {
  border-color: rgba(37,99,235,.4); box-shadow: 0 24px 64px rgba(10,22,40,.1);
  transform: translateY(-8px);
}
.xa-svc:hover::before { transform: scaleX(1); }
.xa-svc-icon {
  width: 60px; height: 60px; border-radius: 14px;
  background: linear-gradient(135deg, var(--xa-navy), var(--xa-blue));
  color: var(--xa-gold); display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; margin-bottom: 1.4rem;
  box-shadow: 0 8px 24px rgba(10,22,40,.15);
}
.xa-svc h3 { font-size: 1.25rem; font-weight: 700; margin: 0 0 .6rem; color: var(--xa-navy); }
.xa-svc p { color: var(--xa-soft); font-size: .9rem; line-height: 1.85; margin: 0 0 1.2rem; }
.xa-svc-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: 1.2rem; }
.xa-svc-tag {
  font-size: .72rem; background: #f1f5f9; color: #475569;
  padding: .25rem .65rem; border-radius: 4px; font-weight: 500;
}
.xa-svc-link {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--xa-gold-deep); font-size: .85rem; font-weight: 600;
  text-decoration: none; transition: gap .2s;
}
.xa-svc-link:hover { gap: .7rem; color: var(--xa-gold); }

/* === 营销策略卡片 === */
.xa-strat-card {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 14px;
  padding: 2.5rem 2rem; height: 100%; transition: all .35s;
  position: relative; overflow: hidden;
}
.xa-strat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--xa-gold), var(--xa-accent));
  transform: scaleX(0); transform-origin: left; transition: transform .35s;
}
.xa-strat-card:hover { box-shadow: 0 24px 64px rgba(10,22,40,.1); transform: translateY(-8px); }
.xa-strat-card:hover::before { transform: scaleX(1); }
.xa-strat-num {
  position: absolute; top: 1.5rem; right: 1.8rem;
  font-size: 3.5rem; font-weight: 900; color: var(--xa-bg);
  line-height: 1; font-family: "Inter", sans-serif;
}
.xa-strat-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 1.2rem;
  box-shadow: 0 8px 24px rgba(37,99,235,.25);
}
.xa-strat-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--xa-navy); margin: 0 0 .6rem; }
.xa-strat-desc { color: var(--xa-soft); font-size: .88rem; line-height: 1.8; margin: 0 0 1.2rem; }
.xa-strat-card ul { list-style: none; padding: 0; margin: 0; }
.xa-strat-card li {
  padding: .4rem 0; color: #475569; font-size: .85rem;
  display: flex; align-items: flex-start; gap: .5rem;
}
.xa-strat-card li i { color: var(--xa-gold); margin-top: .15rem; font-size: .9rem; }

/* === SEO技术 === */
.xa-tech-sec { background: #fff; }
.xa-tech-card {
  background: var(--xa-bg); border: 1px solid var(--xa-line); border-radius: 14px;
  padding: 2rem; height: 100%; transition: all .3s;
}
.xa-tech-card:hover { box-shadow: 0 16px 48px rgba(10,22,40,.08); transform: translateY(-4px); }
.xa-tech-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1rem;
}
.xa-tech-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--xa-navy); margin: 0 0 .8rem; }
.xa-tech-card ul { list-style: none; padding: 0; margin: 0; }
.xa-tech-card li {
  padding: .35rem 0; color: var(--xa-soft); font-size: .85rem;
  display: flex; align-items: flex-start; gap: .4rem; line-height: 1.7;
}
.xa-tech-card li i { color: var(--xa-gold); margin-top: .2rem; font-size: .8rem; }

/* === 搜索引擎覆盖 === */
.xa-engine-sec { background: linear-gradient(180deg, #fff, var(--xa-bg)); }
.xa-engine-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
@media (max-width: 767px) { .xa-engine-grid { grid-template-columns: repeat(2, 1fr); } }
.xa-engine-item {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 12px;
  padding: 1.5rem; text-align: center; transition: all .3s;
}
.xa-engine-item:hover { box-shadow: 0 8px 24px rgba(10,22,40,.08); border-color: rgba(37,99,235,.3); }
.xa-engine-logo {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; color: #fff;
  margin: 0 auto .8rem;
}
.xa-engine-name { font-size: .92rem; font-weight: 700; color: var(--xa-navy); margin-bottom: .3rem; }
.xa-engine-desc { font-size: .76rem; color: var(--xa-soft); }

/* === 报价方案 === */
.xa-price-sec { background: var(--xa-bg); }
.xa-price-card {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 14px;
  padding: 2.5rem 2rem; height: 100%; transition: all .3s; position: relative;
}
.xa-price-card:hover { box-shadow: 0 16px 48px rgba(10,22,40,.1); transform: translateY(-6px); }
.xa-price-card.featured {
  border: 2px solid var(--xa-gold);
  box-shadow: 0 16px 48px rgba(37,99,235,.12);
}
.xa-price-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep));
  color: #fff; font-size: .72rem; font-weight: 700;
  padding: .25rem 1rem; border-radius: 50rem; white-space: nowrap;
}
.xa-price-name { font-size: 1.1rem; font-weight: 700; color: var(--xa-navy); margin-bottom: .5rem; }
.xa-price-desc { font-size: .82rem; color: var(--xa-soft); margin-bottom: 1.5rem; }
.xa-price-num {
  font-size: 2.4rem; font-weight: 900; color: var(--xa-gold);
  line-height: 1; margin-bottom: .3rem;
}
.xa-price-unit { font-size: .85rem; color: var(--xa-soft); }
.xa-price-features { list-style: none; padding: 0; margin: 1.8rem 0; }
.xa-price-features li {
  padding: .5rem 0; font-size: .85rem; color: #475569;
  display: flex; align-items: flex-start; gap: .5rem;
  border-bottom: 1px dashed var(--xa-line);
}
.xa-price-features li:last-child { border: none; }
.xa-price-features li i { color: var(--xa-gold); margin-top: .15rem; }
.xa-price-btn {
  display: block; text-align: center; text-decoration: none;
  background: var(--xa-bg); color: var(--xa-gold-deep);
  border: 1px solid var(--xa-line); border-radius: 6px;
  padding: .7rem; font-size: .88rem; font-weight: 600; transition: all .25s;
}
.xa-price-btn:hover { background: var(--xa-gold); color: #fff; border-color: var(--xa-gold); }
.xa-price-card.featured .xa-price-btn {
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep));
  color: #fff; border: none;
}

/* === SEO知识文章 === */
.xa-news-sec { background: #fff; }
.xa-news-card {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 12px;
  padding: 1.5rem; height: 100%; transition: all .3s; display: flex; gap: 1rem;
}
.xa-news-card:hover { box-shadow: 0 8px 24px rgba(10,22,40,.06); border-color: rgba(37,99,235,.3); }
.xa-news-icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(37,99,235,.1), rgba(6,182,212,.1));
  color: var(--xa-gold-deep); display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.xa-news-body h4 { font-size: .92rem; font-weight: 600; color: var(--xa-navy); margin: 0 0 .4rem; line-height: 1.5; }
.xa-news-body p { font-size: .78rem; color: var(--xa-soft); line-height: 1.7; margin: 0; }
.xa-news-tags { margin-top: .5rem; }
.xa-news-tag {
  font-size: .68rem; color: var(--xa-gold-deep); background: rgba(37,99,235,.08);
  padding: .1rem .5rem; border-radius: 3px; margin-right: .3rem;
}

/* === 数据墙 === */
.xa-data-sec {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(37,99,235,.08), transparent 50%),
    linear-gradient(135deg, #0a1628, #1e3a5f);
  color: #fff; padding: 5rem 0; position: relative; overflow: hidden;
}
.xa-data-sec::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.xa-data-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2rem; position: relative; z-index: 1;
}
@media (max-width: 767px) { .xa-data-grid { grid-template-columns: repeat(2, 1fr); } }
.xa-data-item { text-align: center; position: relative; }
.xa-data-item:not(:last-child)::after {
  content: ''; position: absolute; right: -1rem; top: 20%; height: 60%;
  width: 1px; background: rgba(255,255,255,.1);
}
@media (max-width: 767px) { .xa-data-item:not(:last-child)::after { display: none; } }
.xa-data-num {
  font-size: clamp(2.4rem, 4vw, 3.4rem); font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, #fff, var(--xa-gold-light));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -1px;
}
.xa-data-unit { font-size: 1.3rem; color: var(--xa-gold); margin-left: .2rem; }
.xa-data-label { font-size: .92rem; color: #cbd5e1; margin-top: .6rem; }
.xa-data-sub { font-size: .76rem; color: #64748b; margin-top: .25rem; }

/* === 优势 === */
.xa-adv-sec { background: linear-gradient(180deg, var(--xa-bg), #fff); }
.xa-adv-card {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 14px;
  padding: 2rem; height: 100%; transition: all .3s;
  display: flex; gap: 1.2rem; align-items: flex-start;
}
.xa-adv-card:hover { box-shadow: 0 16px 48px rgba(10,22,40,.08); border-color: rgba(37,99,235,.3); }
.xa-adv-num {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, var(--xa-navy), var(--xa-blue));
  color: var(--xa-gold); display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 800;
}
.xa-adv-content h4 { font-size: 1.1rem; font-weight: 700; color: var(--xa-navy); margin: 0 0 .4rem; }
.xa-adv-content p { color: var(--xa-soft); font-size: .9rem; line-height: 1.8; margin: 0; }

/* === 产业带 === */
.xa-ind-card {
  border-radius: 14px; overflow: hidden; height: 100%;
  border: 1px solid var(--xa-line); background: #fff;
  transition: all .35s;
}
.xa-ind-card:hover { box-shadow: 0 24px 64px rgba(10,22,40,.12); transform: translateY(-6px); }
.xa-ind-head {
  padding: 2rem 1.8rem 1.5rem; color: #fff; position: relative; overflow: hidden;
}
.xa-ind-head::after {
  content: ''; position: absolute; right: -20px; top: -20px;
  width: 120px; height: 120px; border-radius: 50%;
  background: rgba(255,255,255,.08);
}
.xa-ind-head h3 {
  font-size: 1.35rem; font-weight: 700; margin: 0 0 .4rem;
  position: relative; z-index: 1;
}
.xa-ind-head p {
  font-size: .85rem; opacity: .9; margin: 0;
  position: relative; z-index: 1;
}
.xa-ind-body { padding: 1.5rem 1.8rem 1.8rem; }
.xa-ind-body ul { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.xa-ind-body li {
  padding: .55rem 0; color: #475569; font-size: .9rem;
  border-bottom: 1px dashed var(--xa-line);
  display: flex; align-items: flex-start; gap: .5rem;
}
.xa-ind-body li:last-child { border: none; }
.xa-ind-body li i { color: var(--xa-gold); margin-top: .15rem; }
.xa-ind-stats {
  display: flex; gap: 1.5rem; padding-top: 1rem;
  border-top: 1px solid var(--xa-line);
}
.xa-ind-stat-num {
  font-size: 1.4rem; font-weight: 800; color: var(--xa-navy);
}
.xa-ind-stat-label { font-size: .72rem; color: var(--xa-soft); }

/* === 案例 === */
.xa-case-sec { background: var(--xa-bg); }
.xa-case-card {
  background: #fff; border-radius: 14px; overflow: hidden;
  height: 100%; border: 1px solid var(--xa-line); transition: all .3s;
}
.xa-case-card:hover { box-shadow: 0 16px 48px rgba(10,22,40,.1); transform: translateY(-4px); }
.xa-case-img {
  height: 200px; background: linear-gradient(135deg, var(--xa-navy), var(--xa-blue));
  display: flex; align-items: center; justify-content: center;
  color: var(--xa-gold); font-size: 3rem; position: relative;
}
.xa-case-img::after {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
.xa-case-body { padding: 1.5rem 1.6rem 1.8rem; }
.xa-case-tag {
  display: inline-block; font-size: .72rem; font-weight: 600;
  color: var(--xa-gold-deep); background: rgba(37,99,235,.1);
  padding: .25rem .7rem; border-radius: 4px; margin-bottom: .8rem;
}
.xa-case-body h4 { font-size: 1.05rem; font-weight: 700; color: var(--xa-navy); margin: 0 0 .6rem; }
.xa-case-body p { color: var(--xa-soft); font-size: .85rem; line-height: 1.8; margin: 0 0 1rem; }
.xa-case-result {
  display: flex; gap: 1.2rem; padding-top: 1rem;
  border-top: 1px solid var(--xa-line);
}
.xa-case-result-num {
  font-size: 1.3rem; font-weight: 800; color: var(--xa-gold-deep);
}
.xa-case-result-label { font-size: .72rem; color: var(--xa-soft); }

/* === 流程 === */
.xa-flow-sec {
  background:
    radial-gradient(ellipse at 80% 50%, rgba(37,99,235,.08), transparent 50%),
    linear-gradient(135deg, var(--xa-navy), #0d2842);
  color: #fff; position: relative; overflow: hidden;
}
.xa-flow-sec::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
.xa-flow-sec .xa-sec-title { color: #fff; }
.xa-flow-sec .xa-sec-desc { color: #94a3b8; }
.xa-flow-step {
  text-align: center; position: relative; padding: 1rem;
}
.xa-flow-num {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; font-weight: 800; margin: 0 auto 1.2rem;
  box-shadow: 0 8px 28px rgba(37,99,235,.4);
  position: relative;
}
.xa-flow-num::before {
  content: ''; position: absolute; inset: -6px; border-radius: 50%;
  border: 1px solid rgba(37,99,235,.3);
}
.xa-flow-step h4 { font-size: 1.05rem; font-weight: 700; margin: 0 0 .5rem; color: #fff; }
.xa-flow-step p { font-size: .82rem; color: #94a3b8; line-height: 1.7; margin: 0; }

/* === 证言 === */
.xa-testi-sec { background: linear-gradient(180deg, #fff, var(--xa-bg)); }
.xa-testi-card {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 14px;
  padding: 2rem; height: 100%; position: relative; transition: all .3s;
}
.xa-testi-card:hover { box-shadow: 0 16px 48px rgba(10,22,40,.08); transform: translateY(-4px); }
.xa-testi-quote {
  font-size: 3rem; color: var(--xa-gold); opacity: .25;
  line-height: 1; font-family: Georgia, serif; position: absolute;
  top: 1rem; right: 1.5rem;
}
.xa-testi-stars { color: var(--xa-gold); margin-bottom: 1rem; font-size: .9rem; }
.xa-testi-text { color: #475569; font-size: .92rem; line-height: 1.85; margin: 0 0 1.5rem; }
.xa-testi-author { display: flex; align-items: center; gap: .8rem; }
.xa-testi-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--xa-navy), var(--xa-blue));
  color: var(--xa-gold); display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
}
.xa-testi-name { font-size: .92rem; font-weight: 700; color: var(--xa-navy); }
.xa-testi-role { font-size: .78rem; color: var(--xa-soft); }

/* === 资质 === */
.xa-honor-sec { background: #fff; }
.xa-honor-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
@media (max-width: 767px) { .xa-honor-grid { grid-template-columns: repeat(2, 1fr); } }
.xa-honor-item {
  text-align: center; padding: 1.5rem 1rem;
  border: 1px solid var(--xa-line); border-radius: 12px; transition: all .3s;
}
.xa-honor-item:hover { border-color: rgba(37,99,235,.4); box-shadow: 0 8px 24px rgba(10,22,40,.06); }
.xa-honor-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(37,99,235,.15), rgba(37,99,235,.05));
  color: var(--xa-gold-deep); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin: 0 auto .8rem;
  border: 1px solid rgba(37,99,235,.25);
}
.xa-honor-title { font-size: .88rem; font-weight: 700; color: var(--xa-navy); margin-bottom: .25rem; }
.xa-honor-desc { font-size: .72rem; color: var(--xa-soft); }

/* === FAQ === */
.xa-faq-sec { background: var(--xa-bg); }
.xa-faq { max-width: 860px; margin: 0 auto; }
.xa-faq-item {
  background: #fff; border: 1px solid var(--xa-line); border-radius: 10px;
  margin-bottom: 1rem; overflow: hidden; transition: all .3s;
}
.xa-faq-item:hover { border-color: rgba(37,99,235,.3); }
.xa-faq-item summary {
  padding: 1.3rem 1.6rem; font-weight: 600; font-size: .98rem; cursor: pointer;
  list-style: none; display: flex; justify-content: space-between; align-items: center;
  color: var(--xa-navy);
}
.xa-faq-item summary::-webkit-details-marker { display: none; }
.xa-faq-item summary i {
  color: var(--xa-gold); transition: transform .25s;
  font-size: 1.1rem;
}
.xa-faq-item[open] summary i { transform: rotate(45deg); }
.xa-faq-item[open] summary { border-bottom: 1px solid var(--xa-line); }
.xa-faq-ans { padding: 1.3rem 1.6rem; color: #475569; font-size: .92rem; line-height: 1.95; }

/* === CTA + 联系表单 === */
.xa-cta-sec {
  background:
    radial-gradient(ellipse at 20% 30%, rgba(37,99,235,.12), transparent 50%),
    linear-gradient(135deg, var(--xa-navy), var(--xa-blue));
  color: #fff; padding: 5rem 0; position: relative; overflow: hidden;
}
.xa-cta-sec::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.xa-cta-sec .container-xa { position: relative; z-index: 1; }
.xa-cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
@media (max-width: 991px) { .xa-cta-grid { grid-template-columns: 1fr; } }
.xa-cta-text h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; margin: 0 0 1rem; line-height: 1.2; }
.xa-cta-text h2 .gold {
  background: linear-gradient(135deg, var(--xa-gold-light), var(--xa-gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.xa-cta-text p { color: #cbd5e1; line-height: 1.9; margin-bottom: 2rem; font-size: 1rem; }
.xa-cta-contacts { display: flex; flex-direction: column; gap: 1rem; }
.xa-cta-contact {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.2rem; background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1); border-radius: 10px;
}
.xa-cta-contact i {
  color: var(--xa-gold); font-size: 1.3rem;
  width: 40px; height: 40px; border-radius: 8px;
  background: rgba(37,99,235,.15); display: flex; align-items: center; justify-content: center;
}
.xa-cta-contact-label { font-size: .76rem; color: #94a3b8; }
.xa-cta-contact-value { font-size: 1.05rem; font-weight: 600; color: #fff; }
.xa-cta-contact-areas {
  margin-top: .5rem; display: flex; flex-wrap: wrap; gap: .35rem;
}
.xa-cta-contact-areas span {
  font-size: .72rem; color: #94a3b8; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1); padding: .15rem .5rem; border-radius: 4px;
}

/* 联系表单 */
.xa-form {
  background: #fff; border-radius: 14px; padding: 2.5rem;
  box-shadow: 0 24px 64px rgba(0,0,0,.2);
}
.xa-form h3 {
  font-size: 1.3rem; font-weight: 700; color: var(--xa-navy);
  margin: 0 0 .4rem; text-align: center;
}
.xa-form-sub {
  text-align: center; color: var(--xa-soft); font-size: .85rem; margin-bottom: 2rem;
}
.xa-form .form-label { font-size: .82rem; color: var(--xa-ink); font-weight: 600; margin-bottom: .4rem; }
.xa-form .form-control, .xa-form .form-select {
  border: 1px solid var(--xa-line); border-radius: 6px;
  padding: .65rem .85rem; font-size: .9rem;
}
.xa-form .form-control:focus, .xa-form .form-select:focus {
  border-color: var(--xa-gold); box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.xa-form-submit {
  width: 100%; background: linear-gradient(135deg, var(--xa-gold), var(--xa-gold-deep));
  color: #fff; border: none; padding: .85rem; border-radius: 6px;
  font-weight: 600; font-size: .95rem; cursor: pointer; transition: all .25s;
  box-shadow: 0 4px 16px rgba(37,99,235,.35);
}
.xa-form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,.5); }
.xa-form-note { text-align: center; font-size: .75rem; color: var(--xa-soft); margin-top: 1rem; }

/* === 页脚 === */
.xa-footer { background: var(--xa-navy); color: #94a3b8; padding: 4rem 0 3.2rem; }
.xa-footer h5 {
  color: #fff; font-size: .95rem; font-weight: 700; margin: 0 0 1.2rem;
  position: relative; padding-left: .8rem;
}
.xa-footer h5::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 14px; background: var(--xa-gold); border-radius: 2px;
}
.xa-footer a { color: #94a3b8; text-decoration: none; font-size: .85rem; line-height: 2; display: block; }
.xa-footer a:hover { color: var(--xa-gold-light); }
.xa-footer p { color: #94a3b8; font-size: .85rem; line-height: 1.8; }
.xa-footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); margin-top: .5rem;
  padding-top: 1rem; text-align: center; font-size: .82rem;
}
.xa-footer-bottom .links { margin-bottom: .8rem; }
.xa-footer-bottom .links a {
  display: inline; color: #64748b; margin: 0 .5rem;
}
.xa-footer-bottom .links a:hover { color: var(--xa-gold-light); }
/* 底部备案行内的链接（如网站地图）不换行、与备案号同行显示 */
.xa-footer-bottom > a {
  display: inline; white-space: nowrap; margin: 0 .25rem;
}
.xa-footer-bottom > a:hover { color: var(--xa-gold-light); }