/* ============================================================
   客钰来 · 功能详情页样式（在 case.css 基础上扩展）
   ============================================================ */

/* ---- 核心能力点阵 ---- */
.feat-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 10px;
}
.feat-point {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  padding: 28px 24px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.feat-point:hover {
  transform: translateY(-4px);
  border-color: var(--blue-200);
  box-shadow: 0 14px 34px rgba(26, 92, 245, .10);
}
.feat-point .f-icon { width: 46px; height: 46px; }
.feat-point .f-icon .ic { width: 22px; height: 22px; }
.feat-point h3 { margin: 14px 0 8px; font-size: 17px; color: var(--ink); }
.feat-point p { margin: 0; font-size: 14px; line-height: 1.85; color: var(--muted); }

/* ---- 图文分栏（左右交替） ---- */
.feat-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 34px 0;
}
.feat-split + .feat-split { padding-top: 10px; }
.feat-split.rev .feat-copy { order: 2; }
.feat-split.rev .feat-visual { order: 1; }
.feat-copy .eyebrow { margin-bottom: 14px; }
.feat-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -.01em;
}
.feat-copy .feat-lead {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}
.feat-list { list-style: none; margin: 0; padding: 0; }
.feat-list li {
  position: relative;
  padding: 9px 0 9px 30px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
  border-bottom: 1px dashed var(--line-2);
}
.feat-list li:last-child { border-bottom: 0; }
.feat-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 15px;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--blue-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a5cf5' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m20 6-11 11-5-5'/%3E%3C/svg%3E") center/10px no-repeat;
}
.feat-list b { color: var(--ink); }

/* ---- 通用窗口（视觉模拟） ---- */
.feat-visual { position: relative; }
.win {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  box-shadow: 0 22px 54px rgba(15, 40, 105, .12);
  overflow: hidden;
}
.win-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-2);
  background: linear-gradient(180deg, #f8faff, #fff);
}
.win-bar .dots { display: flex; gap: 6px; }
.win-bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.win-bar .dots i:nth-child(1) { background: #ffb4a8; }
.win-bar .dots i:nth-child(2) { background: #ffe29a; }
.win-bar .dots i:nth-child(3) { background: #a8e6b8; }
.win-title { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.win-bar .app-tag { margin-left: auto; }
.win-body { padding: 16px; }

/* 行条目 */
.rowline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  margin-bottom: 8px;
  background: #fff;
}
.rowline:last-child { margin-bottom: 0; }
.rowline .rl-ic {
  flex: none;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--blue-100);
  color: var(--blue-600);
  display: grid; place-items: center;
}
.rowline .rl-ic .ic { width: 17px; height: 17px; }
.rowline .rl-main { flex: 1; min-width: 0; }
.rowline .rl-main b { display: block; font-size: 13.5px; color: var(--ink); }
.rowline .rl-main span { display: block; font-size: 12px; color: var(--muted-2); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rowline .rl-num { font-size: 14px; font-weight: 700; color: var(--blue-600); }
.rowline.is-ok .rl-ic { background: #e5f6eb; color: #1a9e55; }
.rowline.is-warn .rl-ic { background: #fdf1e0; color: #d97706; }

/* 状态小标签 */
.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
}
.pill.blue { background: var(--blue-100); color: var(--blue-600); }
.pill.green { background: #e5f6eb; color: #178a4c; }
.pill.gray { background: #f1f4f9; color: var(--muted-2); }
.pill.amber { background: #fdf1e0; color: #b45309; }

/* 统计卡 */
.stat4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.stat4 .st {
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 12px 10px;
  text-align: center;
  background: linear-gradient(180deg, #f8faff, #fff);
}
.stat4 .st b { display: block; font-size: 17px; color: var(--blue-600); letter-spacing: -.02em; }
.stat4 .st span { font-size: 11px; color: var(--muted-2); }

/* 条形图 */
.bar-chart { display: flex; align-items: flex-end; gap: 10px; height: 130px; padding: 6px 4px 0; }
.bar-chart i {
  flex: 1;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--blue-300), var(--blue-600));
  min-height: 14%;
}
.bar-chart i.dim { background: var(--line-2); }
.bar-axis { display: flex; gap: 10px; margin-top: 8px; }
.bar-axis span { flex: 1; text-align: center; font-size: 11px; color: var(--muted-2); }

/* 手机框（微信会员页） */
.phone {
  width: min(280px, 100%);
  margin: 0 auto;
  border: 1px solid var(--line-2);
  border-radius: 30px;
  background: #f4f7fc;
  padding: 14px 12px 18px;
  box-shadow: 0 22px 54px rgba(15, 40, 105, .14);
}
.phone .ph-notch { width: 86px; height: 5px; border-radius: 999px; background: var(--line-2); margin: 0 auto 12px; }
.vip-card {
  border-radius: 16px;
  padding: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  box-shadow: 0 10px 26px rgba(26, 92, 245, .35);
}
.vip-card b { font-size: 15px; }
.vip-card .vc-no { font-size: 12px; opacity: .75; letter-spacing: .12em; margin-top: 4px; }
.vip-card .vc-bal { display: flex; gap: 22px; margin-top: 14px; }
.vip-card .vc-bal div b { display: block; font-size: 18px; letter-spacing: -.02em; }
.vip-card .vc-bal div span { font-size: 11px; opacity: .7; }
.msg-item {
  display: flex;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 11px 12px;
  margin-top: 10px;
}
.msg-item .mi-ic {
  flex: none;
  width: 32px; height: 32px;
  border-radius: 9px;
  background: #e5f6eb;
  color: #1a9e55;
  display: grid; place-items: center;
}
.msg-item .mi-ic.b { background: var(--blue-100); color: var(--blue-600); }
.msg-item .mi-ic .ic { width: 16px; height: 16px; }
.msg-item div b { display: block; font-size: 13px; color: var(--ink); }
.msg-item div span { font-size: 11.5px; color: var(--muted-2); }

/* 优惠券 */
.coupon-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.coupon {
  position: relative;
  border: 1px dashed var(--blue-200);
  border-radius: 12px;
  padding: 12px 12px 10px 14px;
  background: linear-gradient(135deg, #f7faff, #fff);
  overflow: hidden;
}
.coupon::before, .coupon::after {
  content: "";
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 1px dashed var(--blue-200);
  top: 50%;
  transform: translateY(-50%);
}
.coupon::before { left: -7px; border-left-color: transparent; }
.coupon::after { right: -7px; border-right-color: transparent; }
.coupon b { font-size: 16px; color: var(--blue-600); }
.coupon b em { font-style: normal; font-size: 11px; }
.coupon span { display: block; font-size: 11.5px; color: var(--muted-2); margin-top: 3px; }

/* 时间轴（流程） */
.feat-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 10px; }
.feat-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  padding: 22px 18px;
}
.feat-step .no {
  font-size: 26px;
  font-weight: 800;
  color: var(--blue-200);
  letter-spacing: -.02em;
}
.feat-step h3 { margin: 6px 0 6px; font-size: 15.5px; color: var(--ink); }
.feat-step p { margin: 0; font-size: 13px; line-height: 1.75; color: var(--muted); }

/* 支付方式标签 */
.pay-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.pay-chips span {
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--blue-200);
  background: #f7faff;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--blue-600);
}

/* 多端同步横带 */
.sync-band {
  background: var(--dark);
  border-radius: 20px;
  padding: 40px 36px;
  color: #fff;
}
.sync-band h2 { margin: 0 0 8px; font-size: clamp(20px, 2.2vw, 26px); }
.sync-band p { margin: 0 0 24px; color: rgba(255, 255, 255, .62); font-size: 14.5px; }
.sync-devices { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sync-devices .dv {
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .05);
  border-radius: 14px;
  padding: 18px 14px;
  text-align: center;
}
.sync-devices .dv .f-icon { margin: 0 auto 10px; }
.sync-devices .dv b { display: block; font-size: 14px; }
.sync-devices .dv span { font-size: 12px; color: rgba(255, 255, 255, .55); }

/* ---- 响应式 ---- */
@media (max-width: 900px) {
  .feat-points { grid-template-columns: 1fr 1fr; }
  .feat-split { grid-template-columns: 1fr; gap: 26px; padding: 20px 0; }
  .feat-split.rev .feat-copy { order: 1; }
  .feat-split.rev .feat-visual { order: 2; }
  .feat-steps { grid-template-columns: 1fr 1fr; }
  .sync-devices { grid-template-columns: 1fr 1fr; }
  .stat4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .feat-points { grid-template-columns: 1fr; }
  .feat-steps { grid-template-columns: 1fr; }
  .coupon-grid { grid-template-columns: 1fr; }
}