/* ============================================================
   客钰来 · 行业方案详情页（case-billiards.html 等）
   复用 style.css 的设计令牌与通用组件
   ============================================================ */

/* ---------- 面包屑 ---------- */
.crumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted-2); margin-bottom: 28px;
}
.crumbs a { color: var(--muted); text-decoration: none; transition: color .2s; }
.crumbs a:hover { color: var(--blue-600); }
.crumbs b { color: var(--blue-600); font-weight: 600; }

/* ---------- 页面 Banner ---------- */
.case-hero {
  position: relative; overflow: hidden;
  padding: 140px 0 96px;
  background: linear-gradient(160deg, #f2f7ff 0%, #e8f1ff 55%, #f6faff 100%);
}
.case-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.case-hero-bg .orb {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5;
}
.case-hero-bg .orb-1 { width: 420px; height: 420px; top: -120px; right: -80px; background: radial-gradient(circle, var(--blue-200), transparent 70%); }
.case-hero-bg .grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; opacity: .35;
  mask-image: radial-gradient(ellipse at 70% 20%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 20%, #000 0%, transparent 70%);
}
.case-hero-inner { position: relative; }
.case-hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 56px; align-items: center;
}
.case-hero-copy .eyebrow { margin-bottom: 18px; }
.case-hero-copy h1 {
  font-size: clamp(30px, 4vw, 46px); line-height: 1.22;
  color: var(--ink); letter-spacing: -.5px; margin: 0 0 20px;
}
.case-hero-desc { font-size: 17px; line-height: 1.85; color: var(--muted); max-width: 520px; margin: 0 0 32px; }

/* ---------- 球房看板视觉 ---------- */
.case-visual { position: relative; }
.board-window {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 30px 60px -22px rgba(19, 71, 204, .28);
  overflow: hidden;
}
.board-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 18px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfdff, #f4f8ff);
}
.board-bar .dots { display: flex; gap: 6px; }
.board-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.board-bar .dots i:nth-child(1) { background: #ffb4a8; }
.board-bar .dots i:nth-child(2) { background: #ffe29a; }
.board-bar .dots i:nth-child(3) { background: #a8e6b8; }
.board-title { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.board-bar .app-tag { margin-left: auto; }
.app-tag {
  font-size: 11px; padding: 3px 10px; border-radius: 99px;
  background: var(--blue-50); color: var(--blue-600); font-weight: 600;
}
.board-body {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
  padding: 18px;
}
.table-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 14px 12px;
  display: flex; flex-direction: column; gap: 6px; background: #fff;
  position: relative; overflow: hidden;
}
.table-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  border-radius: 3px 0 0 3px; background: var(--blue-300);
}
.table-card.is-open::before { background: linear-gradient(180deg, var(--blue-500), var(--blue-600)); }
.table-card.is-idle::before { background: var(--line-2); }
.table-card.is-open { background: linear-gradient(180deg, #f7faff, #fff); border-color: var(--blue-200); }
.table-no { font-size: 13px; font-weight: 700; color: var(--ink); }
.table-state { font-size: 11px; color: var(--muted-2); }
.table-card.is-open .table-state { color: var(--blue-600); }
.mini-bars { display: flex; align-items: flex-end; gap: 4px; height: 18px; margin-top: 4px; }
.mini-bars i { width: 6px; border-radius: 2px; background: var(--blue-300); }
.mini-bars.dim i { background: var(--line-2); }
.board-foot {
  display: flex; gap: 18px; align-items: center;
  padding: 12px 18px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--muted); background: #fbfdff;
}
.board-foot b { color: var(--blue-600); }
.legend-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.legend-dot.on { background: var(--blue-500); }
.legend-dot.off { background: var(--line-2); }

/* ---------- 适合业态 ---------- */
.biz-chips {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
}
.biz-chips li {
  display: inline-flex; align-items: center; gap: 9px;
  background: #fff; border: 1px solid var(--line); border-radius: 99px;
  padding: 12px 22px; font-size: 15px; font-weight: 600; color: var(--ink-2);
  box-shadow: 0 4px 14px -8px rgba(19, 71, 204, .15);
}
.biz-chips li .ic { width: 18px; height: 18px; color: var(--blue-600); }
.biz-note {
  max-width: 780px; margin: 32px auto 0; text-align: center;
  color: var(--muted); line-height: 1.9; font-size: 15px;
}

/* ---------- 核心功能卡片 ---------- */
.case-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.case-grid.cols-3 { margin-top: 8px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 30px 28px; display: flex; flex-direction: column; gap: 14px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 44px -20px rgba(19, 71, 204, .22);
  border-color: var(--blue-200);
}
.case-card h3 { margin: 0; font-size: 18px; color: var(--ink); }
.case-card p { margin: 0; font-size: 14px; line-height: 1.85; color: var(--muted); flex: 1; }
.case-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--blue-600);
  text-decoration: none;
}
.case-link .ic { width: 15px; height: 15px; transition: transform .2s; }
.case-link:hover .ic { transform: translateX(3px); }

/* ---------- 自助开台流程 ---------- */
.flow-section { background: var(--dark); color: #fff; }
.flow-section .section-head .h2 { color: #fff; }
.flow-section .eyebrow { background: rgba(255, 255, 255, .1); color: var(--blue-300); }
.flow-section .eyebrow .dot { background: var(--blue-400); }
.flow-section .section-desc { color: rgba(255, 255, 255, .62); }
.flow-steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  counter-reset: step;
}
.flow-step {
  position: relative;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 16px; padding: 28px 24px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background .25s, border-color .25s;
}
.flow-step:hover { background: rgba(255, 255, 255, .09); border-color: rgba(106, 155, 255, .5); }
.step-no {
  position: absolute; top: 20px; right: 22px;
  font-size: 34px; font-weight: 800; line-height: 1;
  color: rgba(106, 155, 255, .28);
}
.step-ic {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: 0 10px 22px -8px rgba(26, 92, 245, .6);
}
.step-ic .ic { width: 22px; height: 22px; color: #fff; }
.flow-step h3 { margin: 0; font-size: 16px; color: #fff; }
.flow-step p { margin: 0; font-size: 13px; line-height: 1.75; color: rgba(255, 255, 255, .6); }

/* ---------- 营销标签 ---------- */
.mkt-chips {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
}
.mkt-chips li {
  padding: 11px 24px; border-radius: 12px;
  background: #fff; border: 1px solid var(--blue-100);
  color: var(--blue-700); font-size: 14px; font-weight: 600;
}

/* ---------- 场景标签墙 ---------- */
.scene-tags {
  margin-top: 48px; padding: 26px 28px;
  background: var(--bg-soft); border: 1px dashed var(--blue-200); border-radius: 16px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.scene-tags span {
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line);
  padding: 8px 16px; border-radius: 99px;
}

/* ---------- CTA ---------- */
.case-cta { background: linear-gradient(135deg, var(--blue-600), var(--blue-800)); color: #fff; }
.case-cta .h2 { color: #fff; }
.case-cta .section-desc { color: rgba(255, 255, 255, .72); }
.case-cta-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.case-cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 按钮变体 ---------- */
.btn-light {
  background: #fff; color: var(--blue-700);
}
.btn-light:hover { background: var(--blue-50); }
.btn-outline-light {
  background: transparent; color: #fff;
  border: 1px solid rgba(255, 255, 255, .55);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .case-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .case-hero { padding: 120px 0 64px; }
  .case-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .board-body { grid-template-columns: 1fr 1fr; gap: 10px; }
  .case-cta-inner { flex-direction: column; text-align: center; }
  .case-cta-actions { justify-content: center; }
  .biz-chips li, .mkt-chips li { padding: 10px 16px; font-size: 13px; }
  .scene-tags { margin-top: 32px; }
}