/* ===== 产品页 / 数据目录页 ===== */
.crumbs{font-size:12px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--teal)}
.crumbs span{color:#9aa9b8}

.page-hero{padding:52px 0 40px;background:
  radial-gradient(800px 360px at 88% 0%,rgba(15,123,123,.10),transparent 60%),
  linear-gradient(180deg,#fff,#f4f8fb);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:46px;letter-spacing:-.8px;margin:10px 0 14px;max-width:900px}
.page-hero .lede{font-size:17px;max-width:760px;margin:0 0 22px}
.page-hero .meta-row{margin-top:18px}
.meta-row{display:flex;gap:9px;flex-wrap:wrap}
.meta{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.meta b{color:var(--navy)}
.shot-lg{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;
  box-shadow:0 24px 60px rgba(11,45,82,.14)}
.shot-lg img{display:block;width:100%;height:auto}
.caption{font-size:12px;color:var(--muted);margin-top:10px}

.feature{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;padding:38px 0}
.feature.rev .feature-media{order:-1}
.feature h2{font-size:28px;margin:6px 0 12px}
.feature p{color:var(--muted);font-size:14.5px;margin:0}
.checks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:11px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#33455a}
.checks .tick{width:22px;height:22px;border-radius:50%;background:#e9f5f4;color:var(--teal);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex:none;margin-top:1px}
.checks b{color:var(--navy)}

.arch{background:var(--navy);color:#fff;border-radius:20px;padding:38px 40px;box-shadow:0 24px 60px rgba(11,45,82,.22)}
.arch h2{color:#fff;font-size:28px;margin:6px 0 8px}
.arch p{color:#c3d4e6;font-size:14px;margin:0 0 24px}
.arch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.arch-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:18px}
.arch-card b{display:block;color:#fff;font-size:14px;margin-bottom:6px}
.arch-card span{display:block;color:#a9bfd6;font-size:12.5px;line-height:1.65}
.arch-card .ic{width:32px;height:32px;border-radius:9px;background:rgba(15,123,123,.3);color:#8fd0cf;
  display:flex;align-items:center;justify-content:center;margin-bottom:12px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;position:relative}
.step:before{counter-increment:step;content:counter(step);font-size:12px;font-weight:800;color:var(--teal);
  background:#e9f5f4;border-radius:999px;padding:3px 9px;display:inline-block;margin-bottom:12px}
.step b{display:block;font-size:15px;color:var(--navy);margin-bottom:6px}
.step p{margin:0;font-size:12.5px;color:var(--muted)}

.faq{display:grid;gap:10px;max-width:900px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);font-size:14px;padding:15px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--teal);font-weight:800}
.faq details[open] summary:after{content:"−"}
.faq p{margin:0 0 16px;color:var(--muted);font-size:13px;line-height:1.7}

/* ===== 数据目录 ===== */
.catalog-hero{padding:46px 0 26px;background:linear-gradient(180deg,#fff,#f5f9fc);border-bottom:1px solid var(--line)}
.catalog-hero h1{font-size:42px;margin:8px 0 10px}
.catalog-hero .lede{font-size:16px;max-width:760px;margin:0 0 22px}
.searchbar{display:flex;gap:10px;max-width:760px}
.searchbar input{flex:1;border:1px solid var(--line);border-radius:11px;padding:12px 15px;font-size:14px;
  font-family:inherit;outline:none;background:#fff}
.searchbar input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(15,123,123,.1)}
.catalog-layout{display:grid;grid-template-columns:252px 1fr;gap:26px;align-items:start;padding:28px 0 64px}
.filters{position:sticky;top:84px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}
.filter-title{font-size:11.5px;font-weight:800;letter-spacing:1px;color:var(--muted);margin:0 0 8px;text-transform:uppercase}
.filter-list{display:grid;gap:2px;max-height:250px;overflow:auto;margin-bottom:18px}
.filter-item{display:flex;align-items:center;justify-content:space-between;gap:8px;border:0;background:none;
  text-align:left;padding:7px 8px;border-radius:8px;font-family:inherit;font-size:12.5px;color:#33455a;cursor:pointer}
.filter-item:hover{background:var(--bg)}
.filter-item.active{background:#e9f5f4;color:var(--teal);font-weight:700}
.filter-item span{color:var(--muted);font-size:11.5px}
.filter-item.active span{color:var(--teal)}
.filter-clear{border:0;background:none;color:var(--teal);font-family:inherit;font-size:12px;font-weight:700;padding:4px 0;cursor:pointer}
.catalog-main{min-width:0}
.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;flex-wrap:wrap}
.result-count{font-size:13px;color:var(--muted)}
.result-count b{color:var(--navy);font-size:16px}
.catalog-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
table.catalog{width:100%;border-collapse:collapse;min-width:780px;font-size:12.8px}
table.catalog th{position:sticky;top:0;background:#f7fafc;color:var(--muted);font-size:11.5px;font-weight:800;
  text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);white-space:nowrap;z-index:1}
table.catalog td{padding:12px 13px;border-top:1px solid #eef2f6;vertical-align:middle;color:#33455a}
table.catalog tr:hover td{background:#fbfdff}
table.catalog .name{font-weight:700;color:var(--navy)}
table.catalog .sub{display:block;color:var(--muted);font-size:11.5px;font-weight:400;margin-top:2px}
.tag{display:inline-block;font-size:11px;border-radius:999px;padding:3px 8px;background:var(--bg);color:var(--muted);white-space:nowrap}
.tag.teal{background:#e9f5f4;color:var(--teal)}
.sample-btn{border:1px solid var(--line);background:#fff;color:var(--teal);border-radius:8px;padding:5px 9px;
  font-size:11.5px;font-family:inherit;font-weight:700;cursor:pointer;white-space:nowrap}
.sample-btn:hover{border-color:var(--teal);background:#f7fcfc}
.sample-btn.disabled{color:#9aa9b8;cursor:default;border-color:#eef2f6}
.load-more{display:flex;justify-content:center;margin-top:18px}
.note{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:12px;color:var(--muted);margin-top:16px}
.empty{padding:40px 20px;text-align:center;color:var(--muted);font-size:13px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(8,27,49,.55);display:none;align-items:center;justify-content:center;
  z-index:100;padding:20px}
.modal.open{display:flex}
.modal-card{background:#fff;border-radius:16px;max-width:920px;width:100%;max-height:88vh;overflow:auto;
  padding:26px;box-shadow:0 30px 80px rgba(8,27,49,.3)}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:8px}
.modal-head h3{margin:0;font-size:20px;color:var(--navy)}
.modal-head p{margin:4px 0 0;font-size:12.5px;color:var(--muted)}
.modal-close{border:1px solid var(--line);background:#fff;border-radius:8px;width:32px;height:32px;
  font-size:18px;line-height:1;cursor:pointer;color:var(--muted)}
.modal-table{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:14px}
.modal-table th{background:#f7fafc;text-align:left;padding:9px 10px;color:var(--muted);font-size:11.5px;
  border-bottom:1px solid var(--line)}
.modal-table td{padding:9px 10px;border-top:1px solid #eef2f6;white-space:nowrap}
.modal-note{font-size:11.5px;color:var(--muted);margin-top:12px}

@media (max-width:980px){
  .feature,.catalog-layout{grid-template-columns:1fr}
  .feature.rev .feature-media{order:0}
  .feature{padding:24px 0;gap:24px}
  .filters{position:static}
  .arch-grid,.steps{grid-template-columns:1fr}
  .page-hero h1{font-size:36px}
  .catalog-hero h1{font-size:34px}
}
@media (max-width:620px){
  .page-hero{padding:34px 0 28px}
  .page-hero h1{font-size:30px}
  .page-hero .lede,.catalog-hero .lede{font-size:14.5px}
  .searchbar{flex-direction:column}
  .catalog-layout{padding-top:18px}
  .filters{padding:14px}
  .filter-list{max-height:none}
  .arch{padding:24px}
  /* 手机端：表格改卡片，避免横向滚动 */
  .catalog-table-wrap{overflow:visible;border:0;background:transparent}
  table.catalog{min-width:0;display:block}
  table.catalog thead{display:none}
  table.catalog tbody{display:grid;gap:10px}
  table.catalog tr{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
  table.catalog td{display:flex;justify-content:space-between;align-items:center;gap:12px;border:0;padding:5px 0;text-align:right}
  table.catalog td:before{content:attr(data-label);color:var(--muted);font-size:11.5px;font-weight:700;text-align:left;flex:none}
  table.catalog td:first-child{display:block;text-align:left;border-bottom:1px solid #eef2f6;padding-bottom:8px;margin-bottom:4px}
  table.catalog td:first-child:before{display:none}
  table.catalog .name{font-size:14px}
  table.catalog .sub{font-size:11px}
  .empty{border:1px solid var(--line);border-radius:12px;background:#fff}
  .modal{padding:10px}
  .modal-card{padding:18px}
}

/* 产品页补充 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden}
.stat-strip div{background:#fff;padding:18px 20px}
.stat-strip b{display:block;font-size:24px;color:var(--navy);line-height:1.2}
.stat-strip span{font-size:12px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;
  border-radius:999px;padding:7px 12px;font-size:12.5px;color:#33455a}
.chip b{color:var(--navy);font-size:12px}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}
.chart-mock{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.chart-mock .top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:12px}
.chart-mock .top b{color:var(--navy);font-size:13px}
.chart-mock .bars{display:flex;align-items:flex-end;gap:14px;height:190px;padding:8px 4px 0;
  border-bottom:1px solid var(--line);background:linear-gradient(#fbfdff,#fff)}
.chart-mock .bar{flex:1;border-radius:7px 7px 0 0;background:linear-gradient(180deg,#12908f,#0b5f74);position:relative;min-height:28px}
.chart-mock .bar:nth-child(2n){background:linear-gradient(180deg,#3b7fb0,#123f6e)}
.chart-mock .bar span{position:absolute;top:-20px;left:0;right:0;text-align:center;font-size:11px;color:var(--muted)}
.chart-mock .x{display:flex;gap:14px;padding-top:8px;font-size:11px;color:var(--muted)}
.chart-mock .x span{flex:1;text-align:center}
.chat-mock{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.chat-mock .q{background:#f1f6fa;border-radius:12px;padding:12px 14px;font-size:13px;color:#33455a;margin-bottom:12px}
.chat-mock .q b{color:var(--navy)}
.chat-mock .a{border-left:3px solid var(--teal);padding:2px 0 2px 12px;font-size:12.5px;color:var(--muted);line-height:1.8}
.chat-mock .a b{color:var(--navy)}
.chat-mock .hint{font-size:11px;color:#9aa9b8;margin-top:10px}
@media (max-width:980px){.grid3{grid-template-columns:1fr}.stat-strip{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.stat-strip{grid-template-columns:1fr}}

/* 手机端筛选折叠 */
.filter-toggle{display:none}
@media (max-width:620px){
  .filter-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;
    border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 14px;
    font-family:inherit;font-size:13.5px;font-weight:700;color:var(--navy);cursor:pointer}
  .filter-toggle span{color:var(--teal)}
  .filter-body{display:none}
  .filters.open .filter-body{display:block}
  .filters.open .filter-toggle span{transform:rotate(180deg);display:inline-block}
}

table.catalog th:nth-child(6),table.catalog td:nth-child(6){white-space:nowrap}

/* 在役目录树 */
.tree-summary{font-size:11px;color:var(--muted);margin:-2px 0 8px}
.tree{display:grid;gap:1px;max-height:430px;overflow:auto;margin-bottom:16px}
.tree-all{border:0;background:none;text-align:left;font-family:inherit;font-size:12.5px;color:#33455a;
  padding:7px 8px;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;gap:8px}
.tree-all:hover,.tree-all.active{background:#e9f5f4;color:var(--teal);font-weight:700}
.tree-group{border-radius:8px}
.tree-toggle{width:100%;border:0;background:none;text-align:left;font-family:inherit;font-size:12.5px;
  color:#33455a;padding:7px 8px;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;gap:8px;align-items:center}
.tree-toggle:hover{background:var(--bg)}
.tree-toggle.active{background:#e9f5f4;color:var(--teal);font-weight:700}
.tree-label{display:flex;align-items:center;gap:6px;min-width:0}
.tree-label .caret{width:10px;color:#9aa9b8;font-size:10px;flex:none}
.tree-toggle.open .caret{color:var(--teal)}
.tree-count{font-size:11px;color:var(--muted);flex:none}
.tree-toggle.active .tree-count{color:var(--teal)}
.tree-kids{margin-left:14px;padding-left:8px;border-left:1px solid #e8eef4;display:grid;gap:1px}
.tree-detail{font-size:12px;color:#4a5c70}
.tree-item{border:0;background:none;text-align:left;font-family:inherit;font-size:11.8px;color:#5b6b7f;
  padding:5px 8px;border-radius:7px;cursor:pointer;display:flex;justify-content:space-between;gap:8px}
.tree-item:hover{background:var(--bg);color:var(--navy)}
.tree-item.active{background:#e9f5f4;color:var(--teal);font-weight:700}
.tree-item .tree-count{font-size:10.5px}
.modal-table tr.masked td{background:#fff8e8;color:#8a641c;font-weight:700}
@media (max-width:620px){.tree{max-height:none}}

/* 目录树折叠（hidden 必须压过 display:grid） */
.tree-kids[hidden]{display:none}
.tree-toggle.open .caret{transform:rotate(90deg);display:inline-block}