:root {
  --mint: #e8f5f1;
  --mint-2: #cfe8df;
  --sea: #1b7a6b;
  --sea-deep: #0f4f45;
  --ink: #16332e;
  --card: #ffffff;
  --warn: #b45309;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--mint);
  color: var(--ink);
  line-height: 1.75;
}

a {
  color: var(--sea);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.bar {
  background: #ffffff;
  border-bottom: 1px solid var(--mint-2);
}

.bar-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--sea-deep);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a {
  background: var(--mint);
  color: var(--sea-deep);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.92rem;
}

.hero-band {
  background: linear-gradient(180deg, #f4fbf8 0%, var(--mint) 100%);
  padding: 36px 0 20px;
}

.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero-band h1 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
}

.hero-band p {
  margin: 0 0 8px;
  max-width: 46em;
}

.section {
  padding: 22px 0 6px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 1.28rem;
}

.grid4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.grid4 article {
  background: var(--card);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 1px 0 var(--mint-2);
}

.grid4 h3 {
  margin: 8px 0 8px;
  font-size: 1rem;
}

.grid4 p {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.time-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  background: var(--card);
  border-radius: 20px;
  padding: 18px;
}

.vline {
  border-left: 4px solid var(--sea);
  padding-left: 16px;
}

.vline .node {
  margin-bottom: 16px;
  position: relative;
}

.vline .node::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--sea);
}

.vline strong {
  display: block;
  margin-bottom: 4px;
}

.band {
  background: var(--sea-deep);
  color: #e8f5f1;
  padding: 28px 0;
  margin: 24px 0;
}

.band h2 {
  color: #fff;
}

.band p {
  margin: 0 0 10px;
}

.dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.dual article {
  background: var(--card);
  border-radius: 20px;
  padding: 16px;
}

.table-wrap {
  overflow-x: auto;
  background: var(--card);
  border-radius: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--mint-2);
  vertical-align: top;
}

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

.list-mock {
  background: var(--card);
  border-radius: 20px;
  padding: 8px 0;
}

.row {
  display: grid;
  grid-template-columns: 44px 1fr 28px;
  gap: 10px;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--mint-2);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sea);
  justify-self: center;
}

.preview {
  color: #3d5c56;
  font-size: 0.92rem;
}

.badge {
  background: var(--sea);
  color: #fff;
  border-radius: 999px;
  font-size: 0.75rem;
  text-align: center;
  padding: 2px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.faq-item {
  background: var(--card);
  border-radius: 20px;
  padding: 14px 16px;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
}

footer {
  background: #ffffff;
  border-top: 1px solid var(--mint-2);
  padding: 24px 0 28px;
  margin-top: 20px;
}

footer p {
  margin: 0 0 8px;
}

@media (max-width: 900px) {
  .grid4,
  .time-layout,
  .dual,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .bar-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
  }
}