/* ── 智单通页专属样式 ── */

/* 痛点卡片 */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.pain-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.pain-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), #f97316);
}
.pain-card:hover {
  border-color: rgba(239,68,68,0.35);
  box-shadow: 0 12px 40px rgba(239,68,68,0.12);
  transform: translateY(-4px);
}
.pain-metric {
  font-family: var(--font-en);
  font-size: 52px; font-weight: 700;
  color: var(--red); line-height: 1;
  margin-bottom: 8px;
}
.pain-metric span { font-size: 26px; }
.pain-title { font-size: 15px; font-weight: 600; color: var(--text-hi); margin-bottom: 12px; }
.pain-desc { font-size: 13px; color: var(--text-md); line-height: 1.8; }

/* 核心能力卡片 */
.ability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.ability-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px;
  display: flex; gap: 24px;
  transition: all 0.3s;
  position: relative; overflow: hidden;
}
.ability-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.ability-card:hover {
  border-color: var(--border-hi);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  transform: translateY(-3px);
}
.ability-card:hover::after { opacity: 1; }
.ability-icon {
  width: 56px; height: 56px; flex-shrink: 0;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  clip-path: polygon(0 0, 85% 0, 100% 15%, 100% 100%, 0 100%);
}
.ability-body {}
.ability-tag {
  font-size: 9px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--brand);
  font-family: var(--font-en); margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.ability-tag::before {
  content: ''; width: 16px; height: 1px;
  background: var(--brand);
}
.ability-title { font-size: 16px; font-weight: 700; color: var(--text-hi); margin-bottom: 10px; }
.ability-desc { font-size: 13px; color: var(--text-md); line-height: 1.8; margin-bottom: 12px; }
.ability-value {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600; color: var(--cyan);
  font-family: var(--font-en); letter-spacing: 1px;
}
.ability-value::before {
  content: '◆'; font-size: 8px;
}

/* 技术优势网格 */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px;
  transition: all 0.3s;
}
.tech-card:hover {
  border-color: var(--border-hi);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.tech-card-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 16px;
}
.tech-card-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, rgba(14,165,233,0.15), rgba(34,211,238,0.08));
  border: 1px solid var(--border-hi);
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.tech-card-title { font-size: 16px; font-weight: 700; color: var(--text-hi); }
.tech-card-en { font-size: 10px; font-weight: 600; color: var(--brand); letter-spacing: 2px; font-family: var(--font-en); }
.tech-card-desc { font-size: 13px; color: var(--text-md); line-height: 1.8; }

/* 对比表格 */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-table thead tr {
  background: var(--bg-raised);
}
.compare-table th {
  padding: 16px 24px;
  text-align: left;
  font-size: 12px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-md); font-family: var(--font-en);
  border-bottom: 1px solid var(--border-hi);
}
.compare-table th:nth-child(3) { color: var(--brand); }
.compare-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  color: var(--text-md);
  vertical-align: middle;
}
.compare-table td:first-child {
  font-weight: 600; color: var(--text-hi);
  font-size: 13px; border-right: 1px solid var(--line);
  white-space: nowrap;
}
.compare-table td:last-child { color: var(--brand); font-weight: 600; }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(14,165,233,0.03); }
.compare-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700;
  color: var(--bg-base); background: var(--brand);
  padding: 3px 10px;
  font-family: var(--font-en); letter-spacing: 1px;
}
.compare-badge-red {
  background: rgba(239,68,68,0.15);
  color: var(--red); border: 1px solid rgba(239,68,68,0.2);
}

/* 实施路线图 */
.roadmap {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.roadmap::before {
  content: '';
  position: absolute;
  left: 48px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--brand), var(--cyan), transparent);
}
.roadmap-item {
  display: flex; gap: 32px;
  padding: 0 0 48px 0;
  position: relative;
}
.roadmap-item:last-child { padding-bottom: 0; }
.roadmap-node {
  width: 96px; flex-shrink: 0;
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  padding-top: 4px;
}
.roadmap-num {
  width: 48px; height: 48px;
  background: var(--bg-raised);
  border: 2px solid var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en);
  font-size: 18px; font-weight: 700;
  color: var(--brand); position: relative; z-index: 1;
}
.roadmap-phase {
  font-size: 10px; font-weight: 700;
  color: var(--text-lo); letter-spacing: 1px;
  font-family: var(--font-en); white-space: nowrap;
}
.roadmap-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px 32px;
  flex: 1;
}
.roadmap-content-head {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 14px;
}
.roadmap-time {
  font-size: 11px; font-weight: 700;
  color: var(--bg-base); background: var(--brand);
  padding: 3px 12px;
  font-family: var(--font-en); letter-spacing: 1px;
}
.roadmap-title { font-size: 18px; font-weight: 700; color: var(--text-hi); }
.roadmap-tasks {
  list-style: none; display: flex; flex-direction: column; gap: 8px;
}
.roadmap-tasks li {
  font-size: 13px; color: var(--text-md); line-height: 1.7;
  display: flex; gap: 10px; align-items: flex-start;
}
.roadmap-tasks li::before {
  content: '▸'; color: var(--brand); flex-shrink: 0; margin-top: 1px;
}

/* 安全合规 */
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.security-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.security-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--cyan));
}
.security-card:hover {
  border-color: var(--border-hi);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.security-card-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}
.security-icon {
  font-size: 22px;
}
.security-title { font-size: 16px; font-weight: 700; color: var(--text-hi); }
.security-en { font-size: 10px; font-weight: 600; color: var(--brand); letter-spacing: 2px; font-family: var(--font-en); }
.security-desc { font-size: 13px; color: var(--text-md); line-height: 1.8; }

/* ROI Banner */
.roi-banner {
  background: linear-gradient(135deg, var(--bg-raised), var(--bg-card));
  border: 1px solid var(--border-hi);
  padding: 48px 52px;
  display: flex; gap: 60px; align-items: center;
  position: relative; overflow: hidden;
}
.roi-banner::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--cyan), var(--brand));
}
.roi-metric { text-align: center; flex-shrink: 0; }
.roi-num {
  font-family: var(--font-en);
  font-size: 56px; font-weight: 700;
  color: var(--brand); line-height: 1;
  display: block;
}
.roi-num span { color: var(--cyan); }
.roi-label { font-size: 12px; color: var(--text-lo); margin-top: 6px; letter-spacing: 0.5px; }
.roi-divider {
  width: 1px; background: var(--line); align-self: stretch;
  flex-shrink: 0;
}
.roi-text h3 {
  font-size: 24px; font-weight: 700; color: var(--text-hi);
  margin-bottom: 12px; font-family: var(--font-serif);
}
.roi-text p { font-size: 14px; color: var(--text-md); line-height: 1.8; max-width: 480px; }

@media (max-width: 1100px) {
  .ability-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .security-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .pain-grid { grid-template-columns: 1fr 1fr; }
  .ability-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .roi-banner { flex-wrap: wrap; gap: 32px; padding: 36px 28px; }
  .roadmap::before { left: 32px; }
  .roadmap-node { width: 64px; }
  .roadmap-item { gap: 20px; }
  .roadmap-content { padding: 20px 24px; }
  .compare-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .compare-table table { min-width: 560px; }
}
@media (max-width: 600px) {
  .pain-grid { grid-template-columns: 1fr; }
  .pain-card { padding: 28px 20px; }
  .pain-metric { font-size: 40px; }
  .ability-card { flex-direction: column; gap: 16px; padding: 24px 20px; }
  .roi-banner { padding: 28px 20px; }
  .roi-num { font-size: 40px; }
  .roadmap-content { padding: 16px 18px; }
  .roadmap-time { font-size: 10px; }
  .roadmap-title { font-size: 15px; }
  .tech-card { padding: 24px 20px; }
  .security-card { padding: 24px 20px; }
}