:root {
  --green: #12a594;
  --green-dark: #0b7d70;
  --green-soft: #e6f6f3;
  --ink: #23324a;
  --ink-soft: #5a6b82;
  --warm: #f2a03d;
  --paper: #fbf9f5;
  --card: #ffffff;
  --line: #e4e0d8;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(35, 50, 74, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1120px, 92vw); margin: 0 auto; }

/* ---------- 顶部 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 249, 245, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar .wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 62px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: 0.5px;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--green), #2ec4a6);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.nav { display: flex; gap: 18px; margin-left: auto; font-size: 15px; }
.nav a { color: var(--ink-soft); }
.nav a.active, .nav a:hover { color: var(--green-dark); text-decoration: none; }

/* ---------- 首屏 ---------- */
.hero {
  padding: 64px 0 52px;
  background:
    radial-gradient(900px 380px at 78% -10%, rgba(18, 165, 148, 0.16), transparent 70%),
    radial-gradient(600px 320px at 4% 12%, rgba(242, 160, 61, 0.13), transparent 68%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--green-dark);
  background: var(--green-soft);
  border: 1px solid #cdece6;
  padding: 5px 12px;
  border-radius: 999px;
}

h1 {
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.28;
  margin: 18px 0 14px;
  letter-spacing: -0.5px;
}

.lede { font-size: 17px; color: var(--ink-soft); margin: 0 0 26px; max-width: 34em; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 8px 20px rgba(18, 165, 148, 0.28); }
.btn-primary:hover { background: var(--green-dark); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: #b9d9d3; }

.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.hero-card h3 { margin: 0 0 6px; font-size: 15px; }
.hero-card p { margin: 0 0 14px; font-size: 13px; color: var(--ink-soft); }

.mini-list { list-style: none; margin: 0; padding: 0; }
.mini-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  padding: 9px 0;
  border-top: 1px dashed var(--line);
}
.mini-list li:first-child { border-top: none; }
.dot {
  flex: none;
  width: 20px; height: 20px;
  border-radius: 6px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-top: 1px;
}

/* ---------- 通用区块 ---------- */
section { padding: 54px 0; }
section.alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { margin-bottom: 26px; }
.sec-head h2 { font-size: clamp(22px, 2.6vw, 29px); margin: 0 0 8px; letter-spacing: -0.3px; }
.sec-head p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.card h3 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0; font-size: 14px; color: var(--ink-soft); }
.card .num {
  font-size: 12px;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 10px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-dark);
  border: 1px solid #cdece6;
}
.tag.warm { background: #fdf1e2; color: #a4650d; border-color: #f6dcbb; }

.steps { counter-reset: s; list-style: none; margin: 0; padding: 0; }
.steps li {
  position: relative;
  padding: 0 0 20px 44px;
  border-left: 2px solid var(--line);
  margin-left: 14px;
}
.steps li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps li::before {
  counter-increment: s;
  content: counter(s);
  position: absolute;
  left: -15px; top: -2px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--green);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.steps h3 { margin: 0 0 4px; font-size: 15.5px; }
.steps p { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* ---------- 模板库 ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
}
.search {
  flex: 1 1 260px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 14px;
  height: 44px;
}
.search input {
  border: none;
  outline: none;
  flex: 1;
  font-size: 14.5px;
  color: var(--ink);
  background: transparent;
  font-family: inherit;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 13.5px;
  cursor: pointer;
  font-family: inherit;
}
.chip.on { background: var(--ink); border-color: var(--ink); color: #fff; }

.count-line { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 18px; }

.tpl {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.tpl-top {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  cursor: pointer;
}
.tpl-idx {
  flex: none;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-weight: 700;
  font-size: 13px;
  display: grid;
  place-items: center;
}
.tpl-main { flex: 1; min-width: 0; }
.tpl-main h3 { margin: 0 0 4px; font-size: 16.5px; }
.tpl-main p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }
.tpl-meta { display: flex; gap: 8px; align-items: center; flex: none; }

.tpl-body {
  display: none;
  padding: 0 20px 20px;
  border-top: 1px dashed var(--line);
}
.tpl.open .tpl-body { display: block; }

.block-title {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: 1px;
  margin: 18px 0 8px;
}

.kv { font-size: 14px; color: var(--ink-soft); margin: 0; }
.kv strong { color: var(--ink); font-weight: 600; }

.prompt-box {
  position: relative;
  background: #f7f6f2;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 16px 46px;
}
.prompt-box pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Cascadia Code", Consolas, "Microsoft YaHei", monospace;
  font-size: 13.2px;
  line-height: 1.72;
  color: #2f3d52;
}
.copy-btn {
  position: absolute;
  right: 12px; bottom: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--green-dark);
  font-size: 12.5px;
  padding: 6px 13px;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
}
.copy-btn:hover { border-color: #b9d9d3; }

.check-list { margin: 0; padding-left: 20px; font-size: 14px; color: var(--ink-soft); }
.check-list li { margin-bottom: 5px; }

.example {
  background: #fffdf8;
  border: 1px solid #f3e6ce;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 13.5px;
  color: #6a5330;
  line-height: 1.72;
  white-space: pre-wrap;
}

.empty { text-align: center; color: var(--ink-soft); padding: 40px 0; font-size: 15px; }

/* ---------- 提示条 ---------- */
.notice {
  display: flex;
  gap: 12px;
  background: var(--green-soft);
  border: 1px solid #cdece6;
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14px;
  color: #14655c;
}
.notice strong { color: #0b4f48; }

/* ---------- 页脚 ---------- */
footer {
  background: #22303f;
  color: #c3ccd6;
  padding: 40px 0 34px;
  font-size: 13.5px;
}
footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; }
footer h4 { color: #fff; margin: 0 0 10px; font-size: 14.5px; }
footer p { margin: 0 0 6px; }
footer .fine { color: #8b97a5; font-size: 12.5px; margin-top: 10px; line-height: 1.8; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  footer .wrap { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .nav { display: none; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 34px; }
  .tpl-meta .tag { display: none; }
}