/* 第6套 app · 时间轴工单 Timeline tickets */
:root {
  --bg: #eef1f4;
  --card: #fff;
  --ink: #1d2730;
  --muted: #5b6a76;
  --line: #d5dde4;
  --blue: #2f6fed;
  --blue-deep: #1f54c4;
  --ok: #1e8a56;
  --spine: #c5d0dc;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

a { color: var(--blue); }
a:hover { color: var(--blue-deep); }
svg { display: inline-block; vertical-align: middle; }
.wrap { width: min(980px, calc(100% - 1.6rem)); margin: 0 auto; }

.work-head {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.work-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  gap: 0.8rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
}
.brand svg { width: 24px; height: 24px; color: var(--blue); }
.nav { display: flex; gap: 0.35rem; }
.nav a {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  background: #f3f6f9;
  font-size: 0.92rem;
}
.nav a:hover { color: var(--blue); }
.nav a.on { background: var(--blue); color: #fff; }

.timeline {
  position: relative;
  padding: 1.6rem 0 2.2rem 1.15rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--spine);
}
.node {
  position: relative;
  margin: 0 0 1.15rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.15rem 1.2rem 1.25rem;
  box-shadow: 0 8px 20px rgba(29, 39, 48, 0.04);
}
.node::before {
  content: "";
  position: absolute;
  left: -1.22rem;
  top: 1.35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--blue);
}
.node h1, .node h2 { margin: 0 0 0.7rem; }
.node h1 { font-size: clamp(1.45rem, 2.6vw, 1.95rem); }
.node h2 { font-size: 1.22rem; color: #16325c; }
.chip {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  background: #e7effd;
  color: var(--blue-deep);
  font-size: 0.75rem;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.3rem 0.4rem 0.3rem 0;
  padding: 0.6rem 1.05rem;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
}
.btn svg { width: 16px; height: 16px; }
.btn:hover { background: var(--blue-deep); color: #fff; }
.btn-ghost {
  background: #eef3fb;
  color: var(--blue-deep);
}
.btn-ghost:hover { background: #dce7fb; color: var(--blue-deep); }

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.mini {
  background: #f7f9fc;
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
}
.mini h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.mini svg { width: 18px; height: 18px; margin-right: 0.25rem; color: var(--blue); }

.ends {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}
.end {
  border: 1px dashed var(--blue);
  border-radius: 10px;
  padding: 0.75rem;
  text-align: center;
  font-size: 0.9rem;
}
.end strong { display: block; }

.rev {
  background: #f7f9fc;
  border-radius: 10px;
  padding: 0.85rem 0.95rem;
  margin-bottom: 0.6rem;
}
.rev footer { color: var(--muted); font-size: 0.86rem; }

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}
.kpi div {
  background: #16325c;
  color: #fff;
  border-radius: 10px;
  text-align: center;
  padding: 0.75rem 0.4rem;
}
.kpi b { display: block; font-size: 1.3rem; color: #9dc0ff; }

.tbl {
  width: 100%;
  border-collapse: collapse;
}
.tbl th, .tbl td {
  border: 1px solid var(--line);
  padding: 0.48rem 0.6rem;
  text-align: left;
}
.tbl th { background: #f3f6f9; }

.faq article {
  border-top: 1px solid var(--line);
  padding: 0.75rem 0 0.15rem;
}
.faq h3 { margin: 0 0 0.3rem; font-size: 1rem; }

.site-foot {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-foot .safe { color: var(--ok); font-weight: 700; }
.foot-nav a { margin-right: 0.85rem; }

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 0.3rem 0.45rem;
  cursor: pointer;
}
.nav-toggle svg { width: 18px; height: 18px; }

@media (max-width: 800px) {
  .grid2, .ends, .kpi { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav { display: none; width: 100%; flex-direction: column; padding-bottom: 0.6rem; }
  .nav.open { display: flex; }
  .work-inner { flex-wrap: wrap; }
  .timeline { padding-left: 0.95rem; }
}

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }