/* ============================================================
   znbh.css — 智能补货 POC 售前演示页 · 扩展组件
   设计令牌全部复用官网 style.css 的 :root 变量，不另起配色
   ============================================================ */

/* ---------- 通用小工具 ---------- */
.znbh-sec-head { margin-bottom: 22px; }
.znbh-sec-head .eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: var(--c-accent); background: var(--c-accent-soft);
  padding: 4px 11px; border-radius: 100px; margin-bottom: 12px;
}
.znbh-sec-head h2 { font-size: clamp(22px, 3vw, 30px); color: var(--c-primary); margin: 0 0 8px; line-height: 1.35; }
.znbh-sec-head p { color: var(--c-text-2); font-size: 14.5px; margin: 0; line-height: 1.8; }

.znbh-note {
  display: flex; gap: 10px; align-items: flex-start;
  background: #FFFBEB; border: 1px solid #FDE68A; border-left: 3px solid var(--c-emphasis);
  border-radius: 8px; padding: 12px 14px; font-size: 13px; color: #78350F; line-height: 1.75;
}
.znbh-note svg { flex: none; width: 16px; height: 16px; margin-top: 2px; color: var(--c-emphasis); }
.znbh-note b { color: #92400E; }

/* ---------- 指标条 ---------- */
.znbh-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm);
}
.znbh-metric { padding: 20px 18px; text-align: center; border-right: 1px solid var(--c-line); }
.znbh-metric:last-child { border-right: 0; }
.znbh-metric .v {
  font-family: var(--font-num); font-size: 30px; font-weight: 700;
  color: var(--c-primary); line-height: 1.1; letter-spacing: -.01em;
}
.znbh-metric .v .unit { font-size: 15px; font-weight: 600; color: var(--c-text-2); margin-left: 2px; }
.znbh-metric .k { font-size: 12.5px; color: var(--c-text-2); margin-top: 7px; }
.znbh-metric .s { font-size: 11.5px; color: #9CA3AF; margin-top: 3px; }
.znbh-metric.accent .v { color: var(--c-accent); }
.znbh-metric.warn .v { color: #D64545; }

/* ---------- HERO 下方结论卡 ----------
   官网默认 margin-top:-34px（卡片上半截压进深色 hero）。本页 hero 内容较多，
   按原值会出现卡片与深色区视觉重叠，故下移到白色区域。 */
.znbh-conclusion-wrap { margin-top: 20px; position: relative; z-index: 2; }

/* ---------- 交互演示控制台 ---------- */
.znbh-console {
  display: grid; grid-template-columns: 232px 1fr; gap: 0;
  border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  overflow: hidden; background: #fff; box-shadow: var(--shadow-md);
}
.znbh-rail { background: var(--c-bg-alt); border-right: 1px solid var(--c-line); padding: 16px 0; }
.znbh-rail-h {
  font-size: 11.5px; font-weight: 700; color: var(--c-text-2); letter-spacing: .1em;
  padding: 0 18px 12px; text-transform: uppercase;
}
.znbh-step {
  display: flex; gap: 11px; align-items: flex-start; width: 100%; text-align: left;
  padding: 11px 18px; border: 0; background: transparent; cursor: pointer; font: inherit;
  border-left: 3px solid transparent; transition: all .18s var(--ease);
}
.znbh-step:hover { background: rgba(14,58,102,.045); }
.znbh-step .n {
  flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-num); font-size: 11.5px; font-weight: 700;
  background: #fff; color: var(--c-text-2); border: 1px solid var(--c-line); transition: all .18s var(--ease);
}
.znbh-step .tx { font-size: 13.2px; color: var(--c-text-2); line-height: 1.5; font-weight: 500; }
.znbh-step .tx small { display: block; font-size: 11.5px; color: #9CA3AF; font-weight: 400; margin-top: 2px; }
.znbh-step.on { background: #fff; border-left-color: var(--c-accent); }
.znbh-step.on .n { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.znbh-step.on .tx { color: var(--c-primary); font-weight: 700; }
.znbh-step.done .n { background: #1B7F3B; color: #fff; border-color: #1B7F3B; }

.znbh-screen { display: flex; flex-direction: column; min-height: 430px; }
.znbh-screen-bar {
  display: flex; align-items: center; gap: 8px; padding: 11px 16px;
  border-bottom: 1px solid var(--c-line); background: #FBFDFE;
}
.znbh-dot { width: 9px; height: 9px; border-radius: 50%; background: #DDE3EA; }
.znbh-dot.r { background: #F3C9C9; } .znbh-dot.y { background: #FBE3B8; } .znbh-dot.g { background: #CDE5D2; }
.znbh-screen-bar .pt {
  font-size: 12px; color: var(--c-text-2); margin-left: 6px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.znbh-screen-bar .rt {
  margin-left: auto; font-family: var(--font-num); font-size: 11.5px; font-weight: 700;
  color: var(--c-accent); background: var(--c-accent-soft); padding: 3px 9px; border-radius: 100px; white-space: nowrap;
}
.znbh-screen-body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; gap: 14px; }

/* 对话气泡：人下达指令 */
.znbh-cmd {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--c-primary); border-radius: 12px 12px 12px 3px; padding: 12px 15px;
  color: #fff; font-size: 13.5px; line-height: 1.72; max-width: 88%;
}
.znbh-cmd .who { flex: none; font-size: 11px; font-weight: 700; opacity: .62; letter-spacing: .05em; }
.znbh-cmd code {
  font-family: var(--font-num); background: rgba(255,255,255,.14);
  padding: 1px 6px; border-radius: 4px; font-size: 12.5px;
}

/* 结果面板 */
.znbh-out { border: 1px solid var(--c-line); border-radius: 12px; overflow: hidden; background: #fff; }
.znbh-out-h {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  background: var(--c-bg-alt); border-bottom: 1px solid var(--c-line);
  font-size: 12.5px; font-weight: 700; color: var(--c-primary);
}
.znbh-out-h .cnt { margin-left: auto; font-family: var(--font-num); font-size: 11.5px; color: var(--c-text-2); font-weight: 600; }
.znbh-out-b { padding: 0; }

.znbh-tb { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.znbh-tb th {
  text-align: left; padding: 8px 12px; font-weight: 600; color: var(--c-text-2);
  background: #FAFCFD; border-bottom: 1px solid var(--c-line); font-size: 11.5px; white-space: nowrap;
}
.znbh-tb td { padding: 8px 12px; border-bottom: 1px solid #F1F4F8; color: var(--c-text); }
.znbh-tb tr:last-child td { border-bottom: 0; }
.znbh-tb .num { font-family: var(--font-num); font-weight: 600; text-align: right; }
.znbh-tb .mono { font-family: var(--font-num); font-weight: 600; color: var(--c-primary); }

.pill { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 100px; white-space: nowrap; }
.pill-p0 { background: #FDF2F2; color: #B03A3A; }
.pill-p1 { background: #FFF3E0; color: #B45309; }
.pill-p2 { background: #F0F7F1; color: #1B7F3B; }
.pill-err { background: #FDF2F2; color: #B03A3A; }
.pill-warn { background: #FFF3E0; color: #B45309; }
.pill-ok   { background: var(--c-accent-soft); color: #007A88; }

/* 计算过程卡 */
.znbh-calc { background: var(--c-bg-alt); border-radius: 10px; padding: 14px 16px; }
.znbh-calc .ct { font-size: 11.5px; font-weight: 700; color: var(--c-text-2); letter-spacing: .06em; margin-bottom: 10px; }
.znbh-calc-row {
  display: flex; align-items: baseline; gap: 10px; padding: 5px 0; font-size: 13px;
  border-bottom: 1px dashed #E1E7EF;
}
.znbh-calc-row:last-child { border-bottom: 0; }
.znbh-calc-row .lbl { color: var(--c-text-2); min-width: 132px; font-size: 12.5px; }
.znbh-calc-row .exp { font-family: var(--font-num); color: var(--c-text); font-size: 12.5px; flex: 1; }
.znbh-calc-row .res { font-family: var(--font-num); font-weight: 700; color: var(--c-primary); font-size: 15px; }
.znbh-calc-row.hl { background: rgba(0,163,180,.07); margin: 4px -8px 0; padding: 7px 8px; border-radius: 6px; border-bottom: 0; }
.znbh-calc-row.hl .res { color: var(--c-accent); }

.znbh-screen-foot {
  display: flex; align-items: center; gap: 10px; padding: 12px 22px;
  border-top: 1px solid var(--c-line); background: #FBFDFE;
}
.znbh-btn {
  appearance: none; border: 1px solid var(--c-line); background: #fff; font: inherit;
  padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600;
  color: var(--c-primary); cursor: pointer; transition: all .2s var(--ease);
  display: inline-flex; align-items: center; gap: 6px;
}
.znbh-btn:hover:not(:disabled) { border-color: var(--c-accent); color: var(--c-accent); background: var(--c-accent-soft); }
.znbh-btn:disabled { opacity: .4; cursor: not-allowed; }
.znbh-btn.pri { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.znbh-btn.pri:hover:not(:disabled) { background: var(--c-primary-light); color: #fff; }
.znbh-btn svg { width: 14px; height: 14px; }
.znbh-prog { flex: 1; height: 4px; background: var(--c-line); border-radius: 100px; overflow: hidden; }
.znbh-prog i { display: block; height: 100%; background: var(--c-accent); border-radius: 100px; transition: width .4s var(--ease); }

/* ---------- 下载区 ---------- */
.znbh-dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.znbh-dl-card {
  border: 1px solid var(--c-line); border-radius: var(--radius-lg); background: #fff;
  box-shadow: var(--shadow-sm); overflow: hidden; display: flex; flex-direction: column;
  transition: all .26s var(--ease);
}
.znbh-dl-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: #C9E4EE; }
.znbh-dl-top { display: flex; align-items: flex-start; gap: 13px; padding: 20px 20px 15px; }
.znbh-dl-ico {
  flex: none; width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: var(--c-accent-soft); color: var(--c-accent);
}
.znbh-dl-ico svg { width: 22px; height: 22px; }
.znbh-dl-top h4 { margin: 0 0 5px; font-size: 16px; color: var(--c-primary); }
.znbh-dl-top .meta { font-size: 12px; color: var(--c-text-2); display: flex; gap: 10px; flex-wrap: wrap; }
.znbh-dl-top .meta b { font-family: var(--font-num); color: var(--c-primary); }
.znbh-dl-desc { padding: 0 20px; font-size: 13px; color: var(--c-text-2); line-height: 1.85; flex: 1; }
.znbh-dl-desc p { margin: 0 0 10px; }
.znbh-dl-sheets { padding: 0 20px 14px; }
.znbh-dl-sheets .st {
  font-size: 11.5px; font-weight: 700; color: var(--c-text-2); letter-spacing: .06em; margin-bottom: 8px;
}
.znbh-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.znbh-chip {
  font-size: 11.5px; padding: 3px 9px; border-radius: 6px; background: var(--c-bg-alt);
  color: var(--c-text-2); border: 1px solid var(--c-line);
}
.znbh-chip.in { background: var(--c-accent-soft); color: #007A88; border-color: #C9E4EE; }
.znbh-chip.out { background: #F0F7F1; color: #1B7F3B; border-color: #CDE5D2; }
.znbh-dl-act { display: flex; gap: 10px; padding: 14px 20px 18px; }
.znbh-dl-act .btn { flex: 1; justify-content: center; }

/* 字段说明表 */
.znbh-fields { margin-top: 24px; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); }
.znbh-fields-h { padding: 15px 20px; background: var(--c-bg-alt); border-bottom: 1px solid var(--c-line); }
.znbh-fields-h h4 { margin: 0 0 3px; font-size: 15px; color: var(--c-primary); }
.znbh-fields-h p { margin: 0; font-size: 12.5px; color: var(--c-text-2); }
.znbh-fields table { width: 100%; border-collapse: collapse; font-size: 12.8px; }
.znbh-fields th {
  text-align: left; padding: 10px 20px; background: #FAFCFD; font-size: 11.5px; font-weight: 700;
  color: var(--c-text-2); border-bottom: 1px solid var(--c-line);
}
.znbh-fields td { padding: 10px 20px; border-bottom: 1px solid #F1F4F8; vertical-align: top; }
.znbh-fields tr:last-child td { border-bottom: 0; }
.znbh-fields td:first-child { font-weight: 700; color: var(--c-primary); white-space: nowrap; }
.znbh-fields td code {
  font-family: var(--font-num); font-size: 12px; background: var(--c-bg-alt);
  padding: 1px 5px; border-radius: 4px; color: var(--c-text);
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .znbh-metrics { grid-template-columns: repeat(2, 1fr); }
  .znbh-metric:nth-child(2) { border-right: 0; }
  .znbh-metric:nth-child(1), .znbh-metric:nth-child(2) { border-bottom: 1px solid var(--c-line); }
  .znbh-console { grid-template-columns: 1fr; }
  .znbh-rail { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--c-line); padding: 12px; gap: 6px; }
  .znbh-rail-h { display: none; }
  .znbh-step { border-left: 0; border-bottom: 3px solid transparent; border-radius: 8px; white-space: nowrap; padding: 8px 12px; }
  .znbh-step.on { border-left: 0; border-bottom-color: var(--c-accent); }
  .znbh-step .tx small { display: none; }
  .znbh-dl { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .znbh-metrics { grid-template-columns: 1fr 1fr; }
  .znbh-metric .v { font-size: 25px; }
  .znbh-calc-row { flex-wrap: wrap; }
  .znbh-calc-row .lbl { min-width: 100%; }
  .znbh-fields td, .znbh-fields th { padding: 9px 13px; }
  .znbh-tb { font-size: 11.5px; }
  .znbh-tb th, .znbh-tb td { padding: 7px 8px; }
}