/* =========================================================
   D2-D6 · 全站统一工业科研平台
   只负责结构与视觉，不改变案例数据、算法或上传协议。
   ========================================================= */

html { background: var(--platform-bg); }
body { color: var(--platform-text); background: var(--platform-bg); }

/* ---------- 公共页面骨架 ---------- */
main.wrap:not(.scene-detail) {
  width: min(1280px, calc(100% - 48px));
  padding-bottom: 52px;
}

.crumb { padding-top: 18px; color: var(--platform-muted); }
.crumb a { color: #506a82; }
.crumb a:hover { color: var(--platform-accent); }
.crumb .cur { color: var(--platform-text); font-weight: 650; }

.nav-drawer nav { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.page-head {
  position: relative;
  margin: 14px 0 18px;
  padding: 22px 24px;
  overflow: hidden;
  border: 1px solid var(--platform-border);
  border-radius: var(--platform-radius-lg);
  background: var(--platform-surface);
  box-shadow: var(--platform-shadow-sm);
}
.page-head::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--platform-accent);
  content: "";
}
.page-head h1 {
  color: var(--platform-text);
  font-size: clamp(25px, 2.7vw, 36px);
  font-weight: 730;
  letter-spacing: -.03em;
}
.page-head h1 .en { color: var(--platform-muted); }
.page-head .blurb { max-width: 82ch; color: var(--platform-text-2); }
.ph-idx { color: var(--platform-accent); }
.ph-stat {
  align-self: stretch;
  align-items: center;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--platform-border);
}
.ph-stat .n { color: var(--platform-text); font-size: 25px; font-weight: 700; }
.ph-stat .l { color: var(--platform-muted); }

/* ---------- 通用控件 ---------- */
.btn,
.chip,
.pager a,
.ref { border-radius: var(--platform-radius-sm); }
.btn { min-height: 36px; border-color: var(--platform-border-strong); }
.btn.primary {
  border-color: var(--platform-accent);
  color: #fff;
  background: var(--platform-accent);
}
.btn.primary:hover {
  border-color: var(--platform-accent-dark);
  background: var(--platform-accent-dark);
}
.chip { color: var(--platform-text-2); background: #fff; }
.chip.on:not([data-m]) { border-color: var(--platform-accent); background: var(--platform-accent); }
input[type="range"] { accent-color: var(--platform-accent); }
input,
select,
textarea { color: var(--platform-text); border-color: var(--platform-border-strong); background: #fff; }

/* ---------- 工程环节、搜索结果与空状态 ---------- */
.filters {
  top: 64px;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid var(--platform-border);
  border-radius: var(--platform-radius-md);
  background: rgba(255,255,255,.96);
  box-shadow: 0 7px 20px rgba(20,40,60,.055);
}
.filter-scroll-hint {
  display: none;
  margin: -4px 0 10px;
  color: var(--platform-muted);
  font-size: 11px;
}
.scenes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0 0 28px;
}
.chain-row { grid-template-columns: 52px minmax(0, 1fr) auto; }
.chain-row > * { min-width: 0; }
.chain-row .sr-meta .tag {
  max-width: 100%;
  line-height: 1.55;
  white-space: normal;
}
.scene-row {
  min-width: 0;
  min-height: 148px;
  padding: 17px;
  border: 1px solid var(--platform-border);
  border-radius: var(--platform-radius-md);
  background: #fff;
  box-shadow: var(--platform-shadow-sm);
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.scene-row::before { top: 14px; bottom: 14px; width: 3px; }
.scene-row:hover {
  padding-left: 17px;
  border-color: #b8d1ec;
  background: #fff;
  box-shadow: 0 14px 34px rgba(20,40,60,.09);
  transform: translateY(-2px);
}
.scene-row:hover::before { transform: scaleY(1); }
.scene-row.is-ext { background: #fbfcfe; box-shadow: none; }
.sr-n { color: var(--platform-accent); font-weight: 700; }
.sr-name { color: var(--platform-text); }
.sr-point { color: var(--platform-text-2); }
.sr-right { align-self: stretch; justify-content: space-between; }
.badge-ready { border-color: #b9e4d1; color: var(--platform-success); background: var(--platform-success-soft); }
.badge-wip { border-color: #efdbb8; color: var(--platform-warning); background: var(--platform-warning-soft); }

.empty,
.filter-empty {
  grid-column: 1 / -1;
  padding: 48px 22px;
  border: 1px dashed var(--platform-border-strong);
  border-radius: var(--platform-radius-md);
  color: var(--platform-muted);
  background: var(--platform-surface-soft);
}
.pager { border-color: var(--platform-border); }
.pager a { border-color: var(--platform-border); box-shadow: var(--platform-shadow-sm); }
.pager a:hover { border-color: #a9c7e6; }

/* ---------- 方法反查 ---------- */
.method-group {
  margin: 0 0 14px;
  overflow: visible;
  border: 1px solid var(--platform-border);
  border-radius: var(--platform-radius-md);
  background: #fff;
  box-shadow: var(--platform-shadow-sm);
}
.mg-head {
  top: 64px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--platform-border);
  border-radius: var(--platform-radius-md) var(--platform-radius-md) 0 0;
  background: rgba(248,250,252,.97);
}
.mg-head .idx { color: var(--platform-accent); font-weight: 700; }
.mg-list { padding: 0; }
.mrow { padding: 13px 16px; border-color: var(--platform-border); }
.mrow:hover { padding-left: 19px; background: var(--platform-accent-soft); }
.mrow .pt { color: var(--platform-muted); }

/* ---------- 案例库、矩阵、指南 ---------- */
.console-bar,
.matrix-wrap,
.upcard,
.fields,
.tree,
.code {
  border-color: var(--platform-border);
  border-radius: var(--platform-radius-md);
  box-shadow: var(--platform-shadow-sm);
}
.console-bar { background: #fff; }
.console-bar .num { color: var(--platform-accent); }
.matrix-wrap,
.sys-table,
.contract,
.upcard { background: #fff; }
.table-scroll-hint {
  display: none;
  margin: 0 0 8px;
  color: var(--platform-muted);
  font-size: 11px;
}
.cases-table-wrap:focus-visible {
  outline: 2px solid var(--platform-accent);
  outline-offset: 2px;
}
table.matrix thead th,
.sys-table th,
.contract th { background: var(--platform-surface-soft); }
table.matrix td a:hover { background: var(--platform-accent); }
.upcard-l { border-color: var(--platform-border); }
.upcard-r { background: var(--platform-surface-soft); }
.gstep .gn { border-color: #c5dbf2; color: var(--platform-accent-dark); background: var(--platform-accent-soft); }
.tree .dir,
.contract td:first-child { color: var(--platform-accent-dark); }
.callout { border-color: #c9def5; color: var(--platform-accent-dark); background: var(--platform-accent-soft); }

/* ---------- 全部案例详情外壳 ---------- */
body.platform-detail-page,
body.platform-detail-p1 { background: var(--platform-bg); }
body.platform-detail-page::before,
body.platform-detail-p1::before { background: var(--platform-bg); }
body.platform-detail-page::after,
body.platform-detail-p1::after { display: none; }

.scene-detail.detail-platform {
  --detail-navy: var(--platform-nav);
  --detail-blue: var(--platform-accent);
  --detail-blue-soft: var(--platform-accent-soft);
  --detail-ink: var(--platform-text);
  --detail-muted: var(--platform-muted);
  --detail-line: var(--platform-border);
  --detail-surface: var(--platform-surface);
  --detail-subtle: var(--platform-surface-soft);
  width: min(var(--platform-container), calc(100% - 64px));
  padding-top: 22px;
}
.detail-platform .detail-overview {
  margin-bottom: 16px;
  padding: 24px 28px 0;
  border-color: var(--platform-border);
  border-radius: var(--platform-radius-lg);
  box-shadow: var(--platform-shadow-sm);
}
.detail-platform .detail-overview::before { height: 4px; background: var(--platform-accent); }
.detail-platform .detail-overview-top { margin-bottom: 20px; }
.detail-platform .detail-record { color: var(--platform-muted); }
.detail-platform .detail-record::before { background: var(--platform-success); }
.detail-platform .detail-record.pending-record::before { background: var(--platform-warning); }
.detail-platform .detail-back { color: var(--platform-text-2); }
.detail-platform .detail-back:hover { color: var(--platform-accent); }

.detail-platform .detail-title-row {
  grid-template-columns: 92px minmax(0, 1fr) minmax(360px, .62fr);
  gap: 24px;
  align-items: stretch;
}
.detail-platform .detail-hero-mark {
  display: flex;
  min-height: 174px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  align-self: stretch;
  margin-bottom: 24px;
  border: 1px solid #cfe0f3;
  border-radius: var(--platform-radius-md);
  color: var(--platform-accent);
  background: var(--platform-accent-soft);
}
.detail-platform .detail-hero-mark svg {
  width: 56px;
  height: 56px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.detail-platform .detail-hero-mark .mark-accent { stroke: var(--platform-warning); }
.detail-platform .detail-hero-mark .mark-dot { fill: var(--platform-warning); stroke: var(--platform-warning); }
.detail-platform .detail-hero-mark > span {
  color: #42617f;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}
.detail-platform .detail-hero-mark > span b {
  display: block;
  color: var(--platform-accent);
  font: 700 18px/1.2 var(--mono);
}
.detail-platform .detail-title-copy { padding: 3px 0 24px; }
.detail-platform .detail-context { color: var(--platform-accent); font-size: 11px; letter-spacing: .08em; }
.detail-platform .dh-title {
  color: var(--platform-text);
  font-size: clamp(29px, 2.8vw, 40px);
  font-weight: 730;
  letter-spacing: -.035em;
}
.detail-platform .dh-sub { max-width: 64ch; color: var(--platform-text-2); }
.detail-platform .dh-sub b {
  display: block;
  margin: 0 0 3px;
  color: var(--platform-muted);
  font-size: 10px;
  letter-spacing: .08em;
}
.detail-platform .detail-hero-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.detail-platform .detail-action {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--platform-border-strong);
  border-radius: var(--platform-radius-sm);
  color: var(--platform-text-2);
  background: #fff;
  font-size: 12px;
  font-weight: 650;
}
.detail-platform .detail-action:hover { border-color: #91aed0; color: var(--platform-accent-dark); }
.detail-platform .detail-action.primary { border-color: var(--platform-accent); color: #fff; background: var(--platform-accent); }
.detail-platform .detail-action.primary:hover { background: var(--platform-accent-dark); }

.detail-platform .detail-meta {
  align-self: stretch;
  margin-bottom: 24px;
  overflow: hidden;
  border-color: var(--platform-border);
  border-radius: var(--platform-radius-md);
}
.detail-platform .detail-meta > div { min-height: 78px; padding: 13px 14px; border-color: var(--platform-border); background: var(--platform-surface-soft); }
.detail-platform .detail-stage-index,
.detail-platform .detail-method b { color: var(--platform-accent-dark); }

.detail-platform .detail-case-switch { margin: 0 -28px; padding: 13px 28px; border-color: var(--platform-border); background: #f6f9fc; }
.detail-platform .case-option { border-color: var(--platform-border-strong); border-radius: var(--platform-radius-sm); }
.detail-platform .case-option.on { border-color: #88b5e6; color: var(--platform-accent-dark); background: var(--platform-accent-soft); box-shadow: inset 3px 0 0 var(--platform-accent); }

.detail-platform .detail-tabs {
  top: 64px;
  margin-bottom: 18px;
  padding: 0 8px;
  border-color: var(--platform-border);
  border-radius: var(--platform-radius-md);
  box-shadow: 0 8px 22px rgba(20,40,60,.07);
}
.detail-platform .detail-tabs .tab { min-width: 148px; min-height: 54px; color: var(--platform-muted); }
.detail-platform .detail-tabs .tab:hover,
.detail-platform .detail-tabs .tab.on { color: var(--platform-accent-dark); }
.detail-platform .detail-tabs .tab.on::after { background: var(--platform-accent); }
.detail-platform .detail-tabs .tab.on .num { color: var(--platform-accent); }
.detail-platform .case-panel { padding-bottom: 30px; }

.detail-platform .judge {
  gap: 0;
  margin: 0 0 14px;
  border-color: var(--platform-border);
  border-radius: var(--platform-radius-md);
  background: var(--platform-border);
  box-shadow: none;
}
.detail-platform .judge .jc { padding: 14px 16px; background: #fff; }
.detail-platform .lede-block {
  margin-bottom: 14px;
  padding: 16px 18px;
  border-left: 3px solid var(--platform-accent);
  border-radius: 0 var(--platform-radius-sm) var(--platform-radius-sm) 0;
  background: var(--platform-accent-soft);
}
.detail-platform .lede-block .kicker { color: var(--platform-accent-dark); }
.detail-platform .lede-block p { margin-top: 5px; color: var(--platform-text-2); }
.detail-platform .sec4 { grid-template-columns: 72px minmax(0, 1fr); gap: 20px; padding: 25px 6px; border-color: var(--platform-border); }
.detail-platform .sec4 .sn { color: var(--platform-accent); }
.detail-platform .figure,
.detail-platform .case-cells,
.detail-platform .pstep .pc,
.detail-platform .pstep .pn,
.detail-platform .fail,
.detail-platform .related,
.detail-platform .rel-grid,
.detail-platform .pending {
  border-color: var(--platform-border);
  border-radius: var(--platform-radius-md);
  box-shadow: var(--platform-shadow-sm);
}
.detail-platform .pstep .pn { color: var(--platform-accent-dark); }
.detail-platform .pstep:hover .pn { border-color: var(--platform-accent); box-shadow: 0 0 0 4px rgba(8,104,217,.08); }
.detail-platform .pending { background: #fff; }

/* ---------- 内置案例演示工作台 ---------- */
.detail-platform #case-panel-demo .pd-page {
  --pd-paper: var(--platform-bg);
  --pd-card: var(--platform-surface);
  --pd-card-soft: var(--platform-surface-soft);
  --pd-ink: var(--platform-text);
  --pd-ink-2: var(--platform-text-2);
  --pd-ink-3: var(--platform-muted);
  --pd-line: var(--platform-border);
  --pd-jade: var(--platform-accent);
  --pd-jade-soft: var(--platform-accent-soft);
  --pd-clay: var(--platform-warning);
  --pd-clay-soft: var(--platform-warning-soft);
  --pd-red: var(--platform-danger);
  --pd-red-soft: var(--platform-danger-soft);
}
.detail-platform #case-panel-demo .pd-controls::before {
  display: block;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--platform-border);
  color: var(--platform-text);
  font-size: 12px;
  font-weight: 750;
  content: "参数控制";
}
.detail-platform #case-panel-demo .pd-ctl + .pd-ctl { padding-top: 14px; border-top: 1px solid var(--platform-border); }
.detail-platform #case-panel-demo .pd-head h2 { font-size: 21px; }
.detail-platform #case-panel-demo .pd-panel { border-color: var(--platform-border); }
.detail-platform #case-panel-demo .pd-callout { border-left-color: var(--platform-accent); background: var(--platform-accent-soft); }
.detail-platform .cd-iframe { min-height: 720px; border: 1px solid var(--platform-border); background: var(--platform-bg); }

/* ---------- 添加案例 / 校验 / 沙箱 ---------- */
.mdl-bg { background: rgba(7,23,36,.62); }
.mdl-p {
  border-color: var(--platform-border-strong);
  border-radius: var(--platform-radius-lg);
  box-shadow: 0 30px 80px rgba(7,23,36,.28);
}
.mdl-h { padding: 18px 22px; border-color: var(--platform-border); background: #fff; }
.mdl-h .eyebrow { color: var(--platform-accent); }
.mdl-b { background: var(--platform-bg); }
.imp-flow { border-color: var(--platform-border); background: var(--platform-border); }
.imp-flow li { background: #fff; }
.imp-flow b { border-color: #c7ddf4; color: var(--platform-accent-dark); background: var(--platform-accent-soft); }
.imp-drop {
  min-height: 184px;
  border-color: #a9bed1;
  border-radius: var(--platform-radius-md);
  background: #fff;
}
.imp-drop:hover,
.imp-drop.on { border-color: var(--platform-accent); background: var(--platform-accent-soft); }
.imp-ic { border-color: #c7ddf4; color: var(--platform-accent); background: var(--platform-accent-soft); }
.imp-r,
.imp-pack { border-color: var(--platform-border); border-radius: var(--platform-radius-md); background: #fff; }
.imp-rh,
.imp-pack-h { background: var(--platform-surface-soft); }
.imp-f input:focus,
.imp-f select:focus { border-color: var(--platform-accent); box-shadow: 0 0 0 3px rgba(8,104,217,.12); }
.imp-try { border-color: #b8d3ee; color: var(--platform-accent-dark); background: var(--platform-accent-soft); }
.mdl-f { border-color: var(--platform-border); background: #fff; }
.pv-body { background: var(--platform-bg); }

/* ---------- 响应式 ---------- */
@media (max-width: 1120px) {
  .detail-platform .detail-title-row { grid-template-columns: 82px minmax(0, 1fr) 330px; gap: 20px; }
  .scenes { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 860px) {
  main.wrap:not(.scene-detail) { width: calc(100% - 32px); }
  .page-head { padding: 20px; }
  .ph-stat { width: 100%; padding: 14px 0 0; border-top: 1px solid var(--platform-border); border-left: 0; }
  .scene-detail.detail-platform { width: calc(100% - 32px); }
  .detail-platform .detail-title-row { grid-template-columns: 76px minmax(0, 1fr); }
  .detail-platform .detail-meta { grid-column: 1 / -1; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .detail-platform .detail-hero-mark { min-height: 150px; }
  .detail-platform .cd-iframe { min-height: 820px; }
}

@media (max-width: 600px) {
  main.wrap:not(.scene-detail) { width: calc(100% - 24px); }
  .page-head { margin-top: 10px; padding: 17px 16px; }
  .page-head h1 { font-size: 24px; }
  .ph-stat { gap: 16px; }
  .filters {
    margin-inline: -12px;
    padding-inline: 12px;
    overflow-x: auto;
    flex-wrap: nowrap;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }
  .filters .lbl,
  .filters .divider { display: none; }
  .filters .count { position: sticky; right: 0; padding-left: 8px; background: #fff; white-space: nowrap; }
  .filter-scroll-hint { display: block; }
  .nav-drawer nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chain-row { grid-template-columns: minmax(0, 1fr); }
  .scene-row { min-height: 0; grid-template-columns: minmax(0, 1fr); padding: 15px; }
  .scene-row:hover { padding-left: 15px; }
  .scene-row .sr-right { flex-direction: row; align-items: center; justify-content: flex-start; }
  .method-group { border-radius: var(--platform-radius-sm); }
  .table-scroll-hint { display: block; }

  .scene-detail.detail-platform { width: calc(100% - 24px); padding-top: 14px; }
  .detail-platform .detail-overview { padding: 18px 14px 0; }
  .detail-platform .detail-title-row { display: block; }
  .detail-platform .detail-hero-mark {
    display: grid;
    min-height: 0;
    grid-template-columns: 46px 1fr;
    gap: 10px;
    justify-content: start;
    margin: 0 0 16px;
    padding: 10px 12px;
  }
  .detail-platform .detail-hero-mark svg { width: 44px; height: 44px; }
  .detail-platform .detail-hero-mark > span { text-align: left; }
  .detail-platform .detail-hero-mark > span b { display: inline; margin-right: 6px; font-size: 15px; }
  .detail-platform .detail-title-copy { padding: 0 0 18px; }
  .detail-platform .dh-title { font-size: 27px; }
  .detail-platform .detail-hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .detail-platform .detail-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 18px; }
  .detail-platform .detail-meta > div { min-height: 68px; padding: 10px; }
  .detail-platform .detail-case-switch { margin: 0 -14px; padding: 11px 14px; }
  .detail-platform .detail-tabs { padding: 0; }
  .detail-platform .detail-tabs .tab { min-width: 112px; min-height: 48px; padding: 0 12px; font-size: 12px; }
  .detail-platform .sec4 { grid-template-columns: 1fr; gap: 8px; padding: 20px 2px; }
  .detail-platform .sec4 .sn { display: flex; gap: 8px; }
  .detail-platform #case-panel-demo .pd-head h2 { font-size: 18px; }
  .detail-platform .cd-iframe { min-height: 900px; }
  .mdl { padding: 8px; }
  .mdl-p { max-height: calc(100vh - 16px); border-radius: var(--platform-radius-md); }
  .mdl-h,
  .mdl-b,
  .mdl-f { padding-inline: 14px; }
}

@media (max-width: 350px) {
  main.wrap:not(.scene-detail),
  .scene-detail.detail-platform { width: calc(100% - 18px); }
  .filters { margin-inline: -9px; }
  .detail-platform .detail-hero-actions,
  .detail-platform .detail-meta { grid-template-columns: 1fr; }
  .detail-platform .detail-tabs .tab { min-width: 104px; padding-inline: 9px; }
}