/* ============================================================
   浩森智慧教育 · 营销页共享样式系统
   专业蓝 #2563eb 主 + 活力橙 #f59e0b 点缀 + 六分类彩色
   纯静态 · 无外部依赖 · system-ui 字体栈
   ============================================================ */

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

:root {
  --brand-1: #1d4ed8;
  --brand-2: #2563eb;
  --brand-3: #3b82f6;
  --accent: #f59e0b;          /* 活力橙 */
  --accent-strong: #d97706;
  --brand-gradient: linear-gradient(135deg, #1d4ed8 0%, #2563eb 52%, #3b82f6 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(37,99,235,0.10), rgba(59,130,246,0.10));
  --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #fb923c 100%);
  --accent-soft: rgba(245,158,11,0.12);

  --bg: #f8fafc;
  --bg-alt: #eef4fe;
  --bg-dark: #0f172a;
  --text: #1e293b;
  --text-sub: #475569;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --border-light: #eef2f7;
  --hl-bg: rgba(37, 99, 235, 0.06);
  --hl-bg-deep: rgba(37, 99, 235, 0.12);
  --ok-color: #16a34a;
  --x-color: #cbd5e1;
  --radius: 14px;

  /* 六分类身份色 */
  --cat-safe: #2563eb;    /* 安全生产 */
  --cat-skill: #ea580c;   /* 技能培训 */
  --cat-manage: #7c3aed;  /* 管理素养 */
  --cat-cert: #16a34a;    /* 考证认证 */
  --cat-rule: #0891b2;    /* 合规制度 */
  --cat-new: #db2777;     /* 新人入职 */
}

html, body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

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

/* ============ 顶部导航 ============ */
.topnav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border-light);
}
.topnav .container {
  display: flex; align-items: center; justify-content: space-between; height: 62px;
}
.topnav-links { display: flex; gap: 26px; align-items: center; }
.topnav-links a {
  font-size: 14px; color: var(--text-sub); font-weight: 500; transition: color 0.15s;
}
.topnav-links a:hover, .topnav-links a.active { color: var(--brand-2); }
.topnav-cta {
  background: var(--brand-gradient); color: #fff !important;
  padding: 8px 18px; border-radius: 8px; font-weight: 600;
}
.topnav-cta.accent { background: var(--accent-gradient); }

/* ============ 品牌块 ============ */
.brand-block { display: flex; align-items: center; gap: 12px; }
.brand-logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--brand-gradient); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
  box-shadow: 0 6px 16px rgba(37,99,235,0.32);
}
.brand-logo-mark.on-dark { background: #fff; color: var(--brand-2); }
.brand-logo-mark.small { width: 34px; height: 34px; font-size: 16px; border-radius: 8px; }
.brand-zh { font-size: 16px; font-weight: 700; letter-spacing: 0.3px; }
.brand-en { font-size: 10px; opacity: 0.7; letter-spacing: 1.4px; margin-top: 2px; color: var(--text-sub); }

/* ============ Hero ============ */
.hero {
  background: var(--brand-gradient); color: #fff;
  padding: 74px 0 88px; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: -40%; right: -8%;
  width: 680px; height: 680px;
  background: radial-gradient(circle, rgba(255,255,255,0.16) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; bottom: -50%; left: -10%;
  width: 540px; height: 540px;
  background: radial-gradient(circle, rgba(245,158,11,0.30) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.28);
  padding: 5px 14px; border-radius: 20px;
  font-size: 12.5px; letter-spacing: 0.6px; margin-bottom: 20px; font-weight: 500;
}
.hero-title {
  font-size: 44px; font-weight: 800; line-height: 1.24;
  margin-bottom: 18px; letter-spacing: 0.4px; max-width: 860px;
}
.hero-title .accent {
  background: linear-gradient(90deg, #fff, #fde68a);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 17px; opacity: 0.95; font-weight: 300;
  max-width: 740px; line-height: 1.7; margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: transform 0.15s, box-shadow 0.15s; border: none;
}
.btn-primary { background: #fff; color: var(--brand-2); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,0,0,0.2); }
.btn-accent { background: var(--accent-gradient); color: #fff; box-shadow: 0 8px 24px rgba(245,158,11,0.35); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(245,158,11,0.42); }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.btn-ghost:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }

.hero-stats { display: flex; gap: 46px; margin-top: 48px; flex-wrap: wrap; }
.hero-stat .num { font-size: 30px; font-weight: 800; letter-spacing: 0.4px; }
.hero-stat .num .accent { color: #fde68a; }
.hero-stat .label { font-size: 13px; opacity: 0.86; margin-top: 2px; }

/* ============ Section 通用 ============ */
.section { padding: 66px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: #e5e7eb; }
.section-title { font-size: 28px; font-weight: 800; text-align: center; margin-bottom: 10px; color: var(--text); }
.section-dark .section-title { color: #fff; }
.section-sub {
  font-size: 14.5px; color: var(--text-sub); text-align: center;
  margin: 0 auto 44px; max-width: 680px;
}
.section-dark .section-sub { color: #94a3b8; }
.eyebrow-tag {
  display: block; text-align: center; color: var(--brand-2);
  font-size: 13px; font-weight: 700; letter-spacing: 1.5px; margin-bottom: 8px;
}
.eyebrow-tag.accent { color: var(--accent-strong); }

/* ============ 痛点卡片 ============ */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 22px; transition: transform 0.18s, box-shadow 0.18s;
}
.pain-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,0.06); }
.pain-icon { font-size: 26px; margin-bottom: 12px; }
.pain-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.pain-card p { font-size: 13.5px; color: var(--text-sub); line-height: 1.65; }

/* ============ 能力卡片 ============ */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cap-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cap-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px; position: relative; overflow: hidden;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.cap-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--brand-gradient); opacity: 0; transition: opacity 0.18s;
}
.cap-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(37,99,235,0.10); border-color: rgba(37,99,235,0.3); }
.cap-card:hover::before { opacity: 1; }
.cap-emoji {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--brand-gradient-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 14px;
}
.cap-card h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 8px; }
.cap-card p { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

/* ============ AI 能力分组（介绍页核心） ============ */
.ai-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.ai-group {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px; transition: transform 0.18s, box-shadow 0.18s;
}
.ai-group:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(37,99,235,0.10); }
.ai-group-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.ai-group-badge {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 20px;
  background: var(--brand-gradient-soft);
}
.ai-group h3 { font-size: 17px; font-weight: 800; }
.ai-group .grp-count { font-size: 12px; color: var(--accent-strong); font-weight: 700; }
.ai-group > p.grp-desc { font-size: 12.5px; color: var(--text-light); margin: 2px 0 16px; line-height: 1.5; }
.ai-list { list-style: none; }
.ai-list li {
  position: relative; padding: 9px 0 9px 26px;
  font-size: 13.2px; line-height: 1.55; border-bottom: 1px dashed var(--border-light);
}
.ai-list li:last-child { border-bottom: none; }
.ai-list li::before {
  content: ""; position: absolute; left: 0; top: 14px;
  width: 8px; height: 8px; border-radius: 3px; background: var(--brand-2);
}
.ai-list li b { font-weight: 700; color: var(--text); }
.ai-list li .tag-hot {
  display: inline-block; font-size: 10.5px; font-weight: 800; color: #fff;
  background: var(--accent-gradient); border-radius: 5px; padding: 1px 7px; margin-left: 4px; letter-spacing: 0.3px;
}
.ai-list li em {
  font-style: normal; color: var(--text-sub);
}

/* ============ 王牌能力 Spotlight ============ */
.spotlight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.spotlight-card {
  border-radius: var(--radius); padding: 28px 26px; position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--border);
  transition: transform 0.18s, box-shadow 0.18s;
}
.spotlight-card:hover { transform: translateY(-5px); box-shadow: 0 18px 40px rgba(37,99,235,0.12); }
.spotlight-card.featured { background: var(--bg-dark); color: #e2e8f0; border-color: transparent; }
.spotlight-card.featured::after {
  content: ""; position: absolute; top: -30%; right: -20%; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(245,158,11,0.30) 0%, transparent 70%); pointer-events: none;
}
.spotlight-tag {
  display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 0.6px;
  color: var(--brand-2); background: var(--brand-gradient-soft);
  border-radius: 6px; padding: 3px 10px; margin-bottom: 14px;
}
.spotlight-card.featured .spotlight-tag { color: #0f172a; background: var(--accent-gradient); }
.spotlight-emoji { font-size: 34px; margin-bottom: 12px; position: relative; z-index: 1; }
.spotlight-card h3 { font-size: 19px; font-weight: 800; margin-bottom: 10px; position: relative; z-index: 1; }
.spotlight-card p { font-size: 13.5px; color: var(--text-sub); line-height: 1.72; position: relative; z-index: 1; }
.spotlight-card.featured p { color: #cbd5e1; }
.spotlight-card ul { list-style: none; margin-top: 14px; position: relative; z-index: 1; }
.spotlight-card ul li {
  position: relative; padding: 5px 0 5px 20px; font-size: 13px; line-height: 1.55; color: var(--text-sub);
}
.spotlight-card.featured ul li { color: #cbd5e1; }
.spotlight-card ul li::before {
  content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800;
}

/* ============ 模型配置 highlight 条 ============ */
.orchestrate {
  margin-top: 8px; background: var(--brand-gradient-soft);
  border: 1px solid rgba(37,99,235,0.22); border-radius: var(--radius);
  padding: 30px 34px; display: flex; gap: 28px; align-items: center;
}
.orchestrate-icon { flex-shrink: 0; font-size: 42px; }
.orchestrate-body h4 { font-size: 19px; font-weight: 800; margin-bottom: 8px; color: var(--brand-1); }
.orchestrate-body p { font-size: 14px; color: var(--text); line-height: 1.85; }
.orchestrate-body b { color: var(--brand-1); }
.model-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.model-chip {
  background: #fff; border: 1px solid rgba(37,99,235,0.25); color: var(--brand-2);
  font-size: 12.5px; font-weight: 600; padding: 5px 12px; border-radius: 20px;
}
@media (max-width: 760px) { .orchestrate { flex-direction: column; text-align: center; padding: 24px 20px; } }

/* ============ 全流程闭环 ============ */
.flow {
  display: flex; align-items: stretch; justify-content: center;
  gap: 0; flex-wrap: wrap; max-width: 960px; margin: 0 auto;
}
.flow-step {
  flex: 1; min-width: 150px; text-align: center;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 22px 16px; margin: 6px; position: relative;
  transition: transform 0.18s, box-shadow 0.18s;
}
.flow-step:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(37,99,235,0.10); }
.flow-emoji { font-size: 26px; margin-bottom: 8px; }
.flow-step h4 { font-size: 16px; font-weight: 800; margin-bottom: 6px; color: var(--brand-2); }
.flow-step p { font-size: 12.5px; color: var(--text-sub); line-height: 1.55; }
.flow-ai-band {
  margin: 22px auto 0; max-width: 960px;
  background: var(--accent-soft); border: 1px dashed rgba(245,158,11,0.5);
  border-radius: 12px; padding: 16px 22px; text-align: center;
  font-size: 14px; color: var(--accent-strong); font-weight: 600;
}

/* ============ 体验路径 ============ */
.path { display: flex; flex-wrap: wrap; gap: 0; justify-content: center; }
.path-step {
  flex: 1; min-width: 160px; position: relative;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 24px 18px 22px; margin: 8px; text-align: left;
  transition: transform 0.18s, box-shadow 0.18s;
}
.path-step:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(37,99,235,0.10); }
.path-num {
  width: 34px; height: 34px; border-radius: 10px; margin-bottom: 12px;
  background: var(--brand-gradient); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px;
}
.path-step h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.path-step p { font-size: 12.8px; color: var(--text-sub); line-height: 1.6; }
.path-step .path-code {
  display: inline-block; margin-top: 8px; font-size: 12px;
  background: var(--hl-bg); color: var(--brand-1); font-weight: 600;
  padding: 2px 8px; border-radius: 6px;
}

/* ============ 分层架构 ============ */
.arch { max-width: 940px; margin: 0 auto; }
.arch-layer {
  background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--brand-2);
  border-radius: 10px; padding: 18px 22px; margin-bottom: 14px;
  display: flex; align-items: center; gap: 20px; transition: transform 0.15s;
}
.arch-layer:hover { transform: translateX(4px); }
.arch-layer .layer-name { min-width: 160px; font-weight: 700; font-size: 14.5px; color: var(--brand-1); }
.arch-layer .layer-name small { display: block; font-weight: 400; color: var(--text-light); font-size: 11px; letter-spacing: 1px; margin-top: 2px; }
.arch-layer .layer-items { font-size: 13px; color: var(--text-sub); line-height: 1.7; }
.arch-layer .layer-items b { color: var(--text); font-weight: 600; }
.arch-arrow { text-align: center; color: var(--accent); font-size: 18px; margin: -8px 0 6px; }

/* ============ 对比表 ============ */
.table-wrap {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); margin-bottom: 24px; box-shadow: 0 4px 16px rgba(0,0,0,0.03);
}
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 16px; text-align: center; font-size: 13.5px; border-bottom: 1px solid var(--border-light); }
thead th { background: #f1f5fd; font-weight: 700; color: var(--text); font-size: 13.5px; padding: 15px 16px; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbff; }
td:first-child, th:first-child { text-align: left; }
.col-featured { background: var(--hl-bg); }
thead .col-featured { background: var(--hl-bg-deep); color: var(--brand-1); font-weight: 800; }
.ok { color: var(--ok-color); font-weight: 700; }
.x { color: var(--x-color); font-weight: 600; }
.vs-table td:first-child { font-weight: 600; }
.vs-table .muted { color: var(--text-light); }

/* ============ 场景 ============ */
.scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.scene-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; display: flex; gap: 18px; transition: box-shadow 0.18s;
}
.scene-card:hover { box-shadow: 0 12px 28px rgba(0,0,0,0.07); }
.scene-num {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  background: var(--brand-gradient); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800;
}
.scene-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.scene-card p { font-size: 13.5px; color: var(--text-sub); line-height: 1.7; }

/* ============ 交付 / 计费卡 ============ */
.deliver-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.deliver-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; text-align: center; transition: transform 0.18s, box-shadow 0.18s;
}
.deliver-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(0,0,0,0.07); }
.deliver-card.featured { border: 2px solid var(--brand-2); box-shadow: 0 12px 36px rgba(37,99,235,0.16); }
.deliver-card .d-emoji { font-size: 34px; margin-bottom: 14px; }
.deliver-card h4 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.deliver-card .d-price { font-size: 15px; color: var(--accent-strong); font-weight: 700; margin-bottom: 10px; }
.deliver-card p { font-size: 13.5px; color: var(--text-sub); line-height: 1.7; }
.deliver-card ul { list-style: none; text-align: left; margin-top: 14px; }
.deliver-card ul li {
  position: relative; padding: 6px 0 6px 20px; font-size: 13px; color: var(--text-sub); line-height: 1.55;
}
.deliver-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--brand-2); font-weight: 800; }

/* ============ 分类色标签 ============ */
.cat-chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.cat-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--border); border-radius: 22px;
  padding: 8px 18px 8px 14px; font-size: 14px; font-weight: 600;
  transition: transform 0.15s, box-shadow 0.15s;
}
.cat-chip:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.06); }
.cat-dot { width: 12px; height: 12px; border-radius: 50%; }

/* ============ 演示账号 ============ */
.demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.demo-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 22px; transition: transform 0.18s, box-shadow 0.18s;
}
.demo-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(37,99,235,0.10); }
.demo-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.demo-head .d-emoji { font-size: 22px; }
.demo-head h4 { font-size: 16px; font-weight: 800; }
.demo-url {
  font-size: 13px; color: var(--brand-2); font-weight: 600; word-break: break-all;
  background: var(--hl-bg); border-radius: 7px; padding: 7px 10px; margin-bottom: 14px;
}
.demo-acc { border-top: 1px dashed var(--border); padding-top: 12px; }
.demo-acc .acc-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; padding: 5px 0; gap: 10px;
}
.demo-acc .acc-role { color: var(--text-sub); }
.demo-acc code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: #f1f5f9; color: var(--text); border-radius: 5px; padding: 2px 7px; font-size: 12.5px; font-weight: 600;
}
.demo-note {
  text-align: center; font-size: 13px; color: var(--text-light);
  margin-top: 26px; max-width: 760px; margin-left: auto; margin-right: auto;
}

/* ============ CTA 区 ============ */
.cta-band { background: var(--brand-gradient); color: #fff; text-align: center; }
.cta-band .section-title { color: #fff; }
.cta-band .section-sub { color: rgba(255,255,255,0.9); }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============ 底部 ============ */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 38px 0; }
.footer .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-zh { color: #fff; }
.footer-brand .brand-en { color: rgba(255,255,255,0.5); }
.footer-links { display: flex; gap: 24px; font-size: 13px; }
.footer-links a { color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 12.5px; color: rgba(255,255,255,0.5); }

/* ============ 响应式 ============ */
@media (max-width: 1000px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .pain-grid, .ai-groups, .spotlight-grid, .demo-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .deliver-grid, .scene-grid, .pain-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .section { padding: 46px 0; }
  .section-title { font-size: 22px; }
  .arch-layer { flex-direction: column; align-items: flex-start; gap: 8px; }
  .arch-layer .layer-name { min-width: 0; }
  .topnav-links { gap: 14px; }
  .topnav-links a:not(.topnav-cta) { display: none; }
  .footer .container { flex-direction: column; text-align: center; }
}
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .cap-grid, .cap-grid.cols-3 { grid-template-columns: 1fr; }
  .hero { padding: 50px 0 58px; }
  .hero-title { font-size: 26px; }
  .hero-stats { gap: 26px; }
  .table-wrap { overflow-x: auto; }
  table { min-width: 620px; }
  .flow-step, .path-step { min-width: 100%; }
}

/* ============ 联系客服二维码 ============ */
.qr-wrap { display: flex; justify-content: center; margin-top: 10px; }
.qr-card { background: #fff; border-radius: 22px; padding: 30px 44px; text-align: center; box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28); }
.qr-img { width: 220px; height: 220px; display: block; border-radius: 12px; margin: 0 auto; }
.qr-label { margin-top: 18px; font-size: 18px; font-weight: 700; color: var(--text); }
.qr-sub { margin-top: 6px; font-size: 13px; color: var(--text-sub); }
@media (max-width: 560px) {
  .qr-card { padding: 24px 28px; }
  .qr-img { width: 180px; height: 180px; }
}