:root {
  --rose: #E11D48;
  --rose-deep: #9F1239;
  --night: #1C1014;
  --panel: #2A151C;
  --paper: #FFF1F2;
  --muted: #E7B8C2;
  --line: #881337;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--night);
  color: var(--paper);
  line-height: 1.75;
}

a { color: #FECDD3; text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #14080C;
  border-bottom: 1px solid var(--line);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
}

.pulse {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(225, 29, 72, 0); }
  100% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0); }
}

.nav { display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: 14px; }
.nav a { color: var(--muted); }
.nav a:hover { color: #fff; }

.hero { padding: 46px 0 18px; }

.hero h1 {
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.35;
  max-width: 15em;
}

.hero-lead { margin-top: 14px; max-width: 40em; color: var(--muted); }

.timeline {
  position: relative;
  margin: 28px 0 0;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--rose);
}

.t-item {
  position: relative;
  margin-bottom: 22px;
}

.t-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.25);
  animation: pulse 1.8s infinite;
}

.t-item h3 { font-size: 16px; color: #FECDD3; }
.t-item p { color: var(--muted); margin-top: 4px; }

.section { padding: 32px 0; }

.section h2 {
  font-size: clamp(22px, 3vw, 28px);
  color: #FECDD3;
  margin-bottom: 16px;
}

.section p { margin-bottom: 14px; color: #FFE4E6; }

.card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 16px 0;
}

.pulse-card {
  background: var(--panel);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid var(--line);
}

.pulse-card h3 { font-size: 17px; margin: 8px 0; }

.steps { display: grid; gap: 12px; margin: 16px 0; }

.step {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  background: var(--panel);
  border-radius: 12px;
  padding: 14px;
}

.step i {
  width: 12px;
  height: 12px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--rose);
  animation: pulse 1.6s infinite;
}

.table-wrap { overflow-x: auto; margin: 16px 0; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
}

th, td {
  border: 1px solid var(--line);
  padding: 12px;
  text-align: left;
  vertical-align: top;
}

th { background: var(--rose); color: #fff; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 16px 0;
}

.split article {
  background: var(--panel);
  border-radius: 14px;
  padding: 16px;
}

.svg-card {
  background: var(--panel);
  border-radius: 16px;
  padding: 16px;
  margin: 16px 0;
}

.faq-list { display: grid; gap: 12px; }

.faq-item {
  background: var(--panel);
  border-radius: 12px;
  padding: 14px 16px;
}

.faq-item h3 { font-size: 17px; color: #FECDD3; margin-bottom: 6px; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer p { margin-bottom: 8px; }

@media (max-width: 860px) {
  .header-bar { flex-direction: column; align-items: flex-start; padding: 12px 0; }
  .card-row, .split { grid-template-columns: 1fr; }
}

.pulse-card svg { color: #fda4af; display: block; margin-bottom: 8px; }