/* 项目开发规格书 */
.spec-page {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px 100px;
  color: #e2e8f0;
}

.spec-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.spec-back {
  font-size: 13px;
  color: #94a3b8;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s;
}
.spec-back:hover { color: #fff; }
.spec-meta { font-size: 11px; color: rgba(255,255,255,0.35); text-align: right; }

.spec-hero { margin-bottom: 40px; }
.spec-hero h1 {
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, #52c41a, #00e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.spec-hero .lead {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255,255,255,0.55);
  max-width: 720px;
}
.spec-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.spec-badge {
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
}
.spec-badge.green { border-color: rgba(82,196,26,0.35); color: #86efac; }
.spec-badge.blue { border-color: rgba(0,229,255,0.35); color: #67e8f9; }
.spec-badge.orange { border-color: rgba(251,146,60,0.35); color: #fdba74; }

.spec-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.spec-toc a {
  padding: 6px 12px;
  font-size: 12px;
  color: #94a3b8;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.15s;
}
.spec-toc a:hover { background: rgba(255,255,255,0.08); color: #fff; }

.spec-section {
  margin-bottom: 36px;
  scroll-margin-top: 24px;
}
.spec-section h2 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.spec-section h2::before {
  content: '';
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, #52c41a, #00e5ff);
  border-radius: 2px;
}
.spec-section .sec-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
  line-height: 1.6;
}

.spec-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.spec-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 768px) {
  .spec-grid-2, .spec-grid-3 { grid-template-columns: 1fr; }
}

.spec-card {
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
}
.spec-card h3 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.spec-card p, .spec-card li { font-size: 12px; line-height: 1.65; color: rgba(255,255,255,0.5); }
.spec-card ul { list-style: none; padding: 0; }
.spec-card ul li { padding: 3px 0; }
.spec-card ul li::before { content: '· '; color: rgba(255,255,255,0.25); }
.spec-card .hl { color: #86efac; font-weight: 600; }

.spec-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid rgba(255,255,255,0.07); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.spec-table th {
  padding: 10px 14px;
  text-align: left;
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.spec-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.75);
  vertical-align: top;
  line-height: 1.5;
}
.spec-table tr:last-child td { border-bottom: none; }
.spec-table .p0 { color: #f87171; font-weight: 600; }
.spec-table .p1 { color: #fbbf24; font-weight: 600; }
.spec-table .p2 { color: #94a3b8; }
.spec-table a { color: #67e8f9; text-decoration: none; }
.spec-table a:hover { text-decoration: underline; }

.phase-list { display: flex; flex-direction: column; gap: 12px; }
.phase-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.06);
  border-left: 3px solid #52c41a;
}
@media (max-width: 640px) { .phase-item { grid-template-columns: 1fr; } }
.phase-item .phase-id { font-size: 11px; font-weight: 700; color: #86efac; }
.phase-item .phase-weeks { font-size: 11px; color: rgba(255,255,255,0.35); margin-top: 4px; }
.phase-item h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.phase-item .team { font-size: 11px; color: #67e8f9; margin-bottom: 8px; }
.phase-item ul { list-style: none; font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.7; }
.phase-item .demo-links { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.phase-item .demo-links a {
  padding: 3px 8px;
  font-size: 10px;
  border-radius: 4px;
  background: rgba(82,196,26,0.12);
  border: 1px solid rgba(82,196,26,0.25);
  color: #86efac;
  text-decoration: none;
}

.timeline-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 640px) { .timeline-cards { grid-template-columns: 1fr; } }
.timeline-card {
  text-align: center;
  padding: 20px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}
.timeline-card.recommended { border-color: rgba(82,196,26,0.4); background: rgba(82,196,26,0.06); }
.timeline-card .tc-label { font-size: 12px; color: rgba(255,255,255,0.45); }
.timeline-card .tc-time { font-size: 28px; font-weight: 800; color: #fff; margin: 8px 0; }
.timeline-card .tc-note { font-size: 11px; color: rgba(255,255,255,0.4); line-height: 1.5; }

.tech-block {
  padding: 18px 20px;
  border-radius: 12px;
  border: 1px solid rgba(0,229,255,0.15);
  background: rgba(0,40,80,0.2);
}
.tech-block h3 { font-size: 14px; color: #67e8f9; margin-bottom: 12px; }
.tech-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 12px;
}
@media (max-width: 640px) { .tech-row { grid-template-columns: 1fr; } }
.tech-row:last-child { border-bottom: none; }
.tech-row .tr-label { color: rgba(255,255,255,0.4); font-weight: 600; }
.tech-row .tr-tech { color: #fff; font-weight: 500; }
.tech-row .tr-reason { color: rgba(255,255,255,0.45); }

.spec-cta {
  margin-top: 40px;
  padding: 24px;
  border-radius: 16px;
  text-align: center;
  background: linear-gradient(135deg, rgba(82,196,26,0.12), rgba(0,229,255,0.08));
  border: 1px solid rgba(255,255,255,0.1);
}
.spec-cta h3 { font-size: 16px; margin-bottom: 8px; }
.spec-cta p { font-size: 13px; color: rgba(255,255,255,0.5); margin-bottom: 16px; }
.spec-cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.spec-cta-btns a {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg, #52c41a, #73d13d);
  transition: transform 0.15s;
}
.spec-cta-btns a.secondary {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85);
}
.spec-cta-btns a:hover { transform: translateY(-2px); }

.spec-arch {
  padding: 20px;
  border-radius: 12px;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.06);
  font-family: ui-monospace, monospace;
  font-size: 11px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  overflow-x: auto;
  white-space: pre;
}