/* 服务演示页公用样式：抬头和导航与首页一致，正文是一个模块的工作区 */
:root {
  --ground: #f3f5f9;
  --surface: #ffffff;
  --sunk: #e9edf5;
  --ink: #141a33;
  --muted: #5b6380;
  --line: #d8deea;
  --navy: #1b2a7a;
  --navy-ink: #ffffff;
  --navy-soft: #e3e7f7;
  --seal: #c23a2b;
  --seal-soft: #f8e4e1;
  --font-display: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --good: #2d7a49; --good-soft: #dff0e4; --mid: #8a6a12; --mid-soft: #f5ecd2; --weak: #b2591b; --weak-soft: #f9e6d7;
  --r: 8px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0e1222; --surface: #161b30; --sunk: #1d2340; --ink: #e6e9f4; --muted: #9aa2c0; --line: #2a3254;
    --navy: #8f9ff0; --navy-ink: #0e1222; --navy-soft: #232c55; --seal: #ec7a68; --seal-soft: #3a2026;
    --good: #6cc58c; --good-soft: #1d3a2a; --mid: #d9b75a; --mid-soft: #3a3220; --weak: #eb9a5c; --weak-soft: #3d2a1e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #0e1222; --surface: #161b30; --sunk: #1d2340; --ink: #e6e9f4; --muted: #9aa2c0; --line: #2a3254;
  --navy: #8f9ff0; --navy-ink: #0e1222; --navy-soft: #232c55; --seal: #ec7a68; --seal-soft: #3a2026;
    --good: #6cc58c; --good-soft: #1d3a2a; --mid: #d9b75a; --mid-soft: #3a3220; --weak: #eb9a5c; --weak-soft: #3d2a1e;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.7; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--seal); outline-offset: 2px; }
.gutter { padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.inner { max-width: 1240px; margin: 0 auto; }

/* 抬头 */
.masthead { background: var(--surface); border-bottom: 1px solid var(--line); }
.masthead .inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-block: 18px; }
.org { display: flex; align-items: center; gap: 14px; min-width: 0; }
.seal { flex: none; width: 44px; height: 44px; border-radius: 6px; background: var(--seal); color: #fff; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 15px; line-height: 1.05; text-align: center; letter-spacing: .05em; }
.org small { display: block; color: var(--muted); font-size: 12.5px; letter-spacing: .08em; }
.org h1 { margin: 0; font-family: var(--font-display); font-size: clamp(19px, 2.4vw, 26px); font-weight: 700; letter-spacing: .02em; text-wrap: balance; }
.login { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-size: 13.5px; color: var(--muted); }
.login:hover { border-color: var(--navy); color: var(--navy); }

/* 业务导航 */
.nav { background: var(--navy); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--navy); }
.nav ul { list-style: none; margin: 0 auto; padding: 0; display: flex; overflow-x: auto; scrollbar-width: none; }
.nav ul::-webkit-scrollbar { display: none; }
.nav li { flex: 1 0 auto; }
.nav a { display: block; padding: 13px 18px; text-align: center; text-decoration: none; color: var(--navy-ink); opacity: .82; font-size: 15px; font-weight: 500; white-space: nowrap; border-bottom: 3px solid transparent; }
.nav a:hover { opacity: 1; }
.nav a[aria-current="page"] { opacity: 1; border-bottom-color: var(--seal); font-weight: 700; }

/* 模块页头 */
.crumbs { font-size: 13px; color: var(--muted); padding-block: 18px 0; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--navy); }
.mod-head .inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 32px; align-items: end; padding-block: 10px 22px; }
.mod-head .no { font-family: var(--font-display); color: var(--seal); font-weight: 700; font-size: 15px; letter-spacing: .1em; }
.mod-head h2 { margin: 2px 0 6px; font-family: var(--font-display); font-size: clamp(22px, 3vw, 30px); line-height: 1.3; text-wrap: balance; }
.mod-head p { margin: 0; color: var(--muted); max-width: 52em; }
.demo-flag { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px; background: var(--seal-soft); color: var(--seal); font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.project-bar { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; padding: 10px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); font-size: 13.5px; margin-bottom: 18px; }
.project-bar b { font-weight: 700; }
.project-bar span { color: var(--muted); }

/* 工作区 */
.work .inner { padding-block: 0 44px; display: flex; flex-direction: column; gap: 18px; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 18px; min-width: 0; }
.panel-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 14px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--ink); }
.panel-head h3 { margin: 0; font-family: var(--font-display); font-size: 18px; letter-spacing: .04em; }
.panel-head span { color: var(--muted); font-size: 12.5px; }
.note { margin: 10px 0 0; color: var(--muted); font-size: 12.5px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--r); border: 1px solid var(--navy); background: transparent; color: var(--navy); font: inherit; font-size: 13.5px; font-weight: 700; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn.primary { background: var(--navy); color: var(--navy-ink); }
.btns { display: flex; flex-wrap: wrap; gap: 8px; }

/* 表格 */
.scroll { overflow-x: auto; }
.scroll > .tbl { min-width: 560px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th { text-align: left; font-weight: 700; color: var(--muted); font-size: 12.5px; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl small { display: block; color: var(--muted); font-size: 12px; }

/* 状态标签 */
.pill { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; border: 1px solid transparent; }
.lv-强 { background: var(--good-soft); color: var(--good); }
.lv-中 { background: var(--mid-soft); color: var(--mid); }
.lv-弱 { background: var(--weak-soft); color: var(--weak); }
.lv-缺失 { background: transparent; color: var(--seal); border-color: var(--seal); border-style: dashed; }
.st { background: var(--sunk); color: var(--muted); }
.st.on { background: var(--navy-soft); color: var(--navy); }
.st.done { background: var(--good-soft); color: var(--good); }
.st.late { background: var(--seal-soft); color: var(--seal); }

/* 产业链 */
.chain { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.stage { background: var(--sunk); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.stage h4 { margin: 0 0 2px; font-family: var(--font-display); font-size: 16px; }
.link { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 9px 10px; display: flex; flex-direction: column; gap: 3px; cursor: pointer; text-align: left; font: inherit; color: inherit; }
.link:hover, .link[aria-pressed="true"] { border-color: var(--navy); }
.link[aria-pressed="true"] { box-shadow: inset 0 0 0 1px var(--navy); }
.link .top { display: flex; justify-content: space-between; gap: 6px; align-items: center; }
.link b { font-size: 14px; }
.link span.d { color: var(--muted); font-size: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 12.5px; color: var(--muted); }

/* 看板 */
.kanban { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.col-k { background: var(--sunk); border-radius: 10px; padding: 10px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.col-k h4 { margin: 0; font-size: 13.5px; display: flex; justify-content: space-between; }
.col-k h4 span { color: var(--muted); font-weight: 400; }
.card-k { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 9px 10px; font-size: 13px; }
.card-k b { display: block; font-size: 13.5px; }
.card-k span { color: var(--muted); font-size: 12px; }

/* 指标卡 */
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px; min-width: 0; }
.kpi small { display: block; color: var(--muted); font-size: 12.5px; }
.kpi b { display: block; font-size: 26px; font-variant-numeric: tabular-nums; line-height: 1.3; margin-top: 2px; }
.kpi b em { font-style: normal; font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 3px; }
.kpi .delta { font-size: 12.5px; font-variant-numeric: tabular-nums; }
.up { color: var(--good); } .down { color: var(--seal); }
.bar { height: 8px; border-radius: 4px; background: var(--sunk); overflow: hidden; margin-top: 8px; }
.bar i { display: block; height: 100%; background: var(--navy); border-radius: 4px; }

/* 路线图 */
.road { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; position: relative; }
.phase { padding: 0 8px 4px; position: relative; min-width: 0; }
.phase::before { content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 3px; background: var(--line); }
.phase.done::before, .phase.on::before { background: var(--navy); }
.phase .dot { position: relative; width: 24px; height: 24px; border-radius: 50%; background: var(--surface); border: 3px solid var(--line); margin-bottom: 8px; }
.phase.done .dot { background: var(--navy); border-color: var(--navy); }
.phase.on .dot { border-color: var(--seal); }
.phase b { display: block; font-size: 14px; }
.phase span { display: block; color: var(--muted); font-size: 12px; }

/* 维度对比条 */
.dims { display: flex; flex-direction: column; gap: 12px; }
.dim { display: grid; grid-template-columns: 11.5em minmax(0, 1fr) 6.5em; gap: 10px; align-items: center; font-size: 13.5px; }
.dim .track { position: relative; height: 14px; background: var(--sunk); border-radius: 7px; }
.dim .now { position: absolute; left: 0; top: 0; bottom: 0; background: var(--navy); border-radius: 7px; }
.dim .goal { position: absolute; top: -4px; bottom: -4px; width: 3px; background: var(--seal); border-radius: 2px; }
.dim .val { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12.5px; text-align: right; }

/* 课程矩阵 */
.matrix td, .matrix th { text-align: center; }
.matrix th:first-child, .matrix td:first-child { text-align: left; }
.cell-c { display: inline-block; min-width: 2.2em; padding: 2px 8px; border-radius: 6px; background: var(--navy-soft); color: var(--navy); font-weight: 700; font-variant-numeric: tabular-nums; }

/* 趋势图 */
.spark { width: 100%; height: auto; display: block; }

/* 演示提示 */
.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--surface); padding: 10px 18px; border-radius: 8px; font-size: 13.5px; max-width: calc(100% - 32px); z-index: 20; }

footer { border-top: 1px solid var(--line); background: var(--surface); }
footer .inner { padding-block: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; color: var(--muted); font-size: 12.5px; }

@media (max-width: 960px) {
  .chain, .kanban, .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid3 { grid-template-columns: minmax(0, 1fr); }
  .grid2 { grid-template-columns: minmax(0, 1fr); }
  .road { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 18px; }
}
@media (max-width: 600px) {
  .chain, .kanban, .grid4 { grid-template-columns: minmax(0, 1fr); }
  .mod-head .inner { grid-template-columns: minmax(0, 1fr); }
  .road { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dim { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .dim .val { text-align: left; }
}
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filters button { font: inherit; font-size: 13px; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: var(--navy-ink); }
tr[hidden] { display: none; }
@media (max-width: 720px) { .nav a { padding: 12px 14px; font-size: 14px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }