:root {
  --wa: #075e54;
  --wa-2: #128c7e;
  --chat: #ece5dd;
  --bubble: #dcf8c6;
  --ink: #111b21;
  --muted: #667781;
  --line: #d1d7db;
  --card: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f0f2f5;
  color: var(--ink);
  line-height: 1.7;
}

.navtop {
  background: var(--wa);
  color: #fff;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navtop .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}
.navtop nav { display: flex; gap: 14px; flex-wrap: wrap; }
.navtop a { color: #d1f4ee; text-decoration: none; font-size: 14px; }
.navtop a:hover { color: #fff; }

.lead {
  padding: 28px 20px 16px;
  background: #e7f6f3;
}
.lead .eye { font-size: 12px; color: var(--wa-2); font-weight: 700; letter-spacing: 0.08em; }
.lead h1 { font-size: 28px; line-height: 1.35; margin: 8px 0 10px; max-width: 18em; }
.lead p { color: var(--muted); max-width: 46em; }

.workspace {
  margin: 0 20px 20px;
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 560px;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 12px 30px rgba(7,94,84,0.08);
}
.list {
  border-right: 1px solid var(--line);
  background: #fff;
  display: flex;
  flex-direction: column;
}
.list-hd {
  padding: 12px 14px;
  background: #f0f2f5;
  font-weight: 700;
  font-size: 14px;
}
.row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid #f0f2f5;
  cursor: default;
}
.row.active { background: #f0f2f5; }
.dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #b2dfdb;
  display: grid;
  place-items: center;
}
.row strong { display: block; font-size: 14px; }
.row span { font-size: 12px; color: var(--muted); }
.row time { font-size: 11px; color: #84939a; }

.profile { background: #f7f8fa; display: flex; flex-direction: column; }
.cover {
  height: 148px;
  background:
    linear-gradient(135deg, rgba(7,94,84,0.2), rgba(18,140,126,0.35)),
    #0f766e;
  position: relative;
}
.cover .avatar-lg {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #fff;
  position: absolute;
  left: 20px;
  bottom: -28px;
  display: grid;
  place-items: center;
}
.who { padding: 36px 20px 12px; }
.who h2 { font-size: 20px; margin-bottom: 4px; }
.who .sub { color: var(--muted); font-size: 13px; }

.profile-body { padding: 0 20px 20px; display: grid; gap: 14px; }
.tile {
  background: #fff;
  border: 1px solid var(--line);
  padding: 12px 14px;
}
.tile h3 { font-size: 14px; color: var(--wa-2); margin-bottom: 8px; }
.groups { display: flex; flex-wrap: wrap; gap: 8px; }
.groups span {
  background: #e7f6f3;
  border: 1px solid #b2dfdb;
  padding: 4px 8px;
  font-size: 12px;
}

.below { padding: 8px 20px 48px; display: grid; gap: 22px; }
.below section h2 { font-size: 22px; margin-bottom: 10px; }
.below p { margin-bottom: 10px; }

.fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 8px;
}
.fields article {
  background: #fff;
  border: 1px solid var(--line);
  padding: 12px;
}
.fields h3 { font-size: 15px; margin-bottom: 6px; color: var(--wa); }

.faq-box {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 28px 20px;
}
.faq-box h2 { margin-bottom: 12px; font-size: 22px; }
.faq-box article {
  border: 1px solid var(--line);
  padding: 12px 14px;
  margin-bottom: 10px;
}
.faq-box h3 { font-size: 16px; margin-bottom: 6px; }

footer {
  background: var(--wa);
  color: #d1f4ee;
  padding: 18px 20px 24px;
  font-size: 13px;
  display: grid;
  gap: 6px;
}

@media (max-width: 840px) {
  .workspace { grid-template-columns: 1fr; }
  .fields { grid-template-columns: 1fr; }
  .lead h1 { font-size: 24px; }
}