/* ===== 基础变量：想换配色只改这里 ===== */
:root {
  --bg: #0b0d17;
  --bg-soft: #121526;
  --card: #171b2e;
  --line: #262b45;
  --text: #e8eaf6;
  --muted: #9aa0bf;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --ok: #34d399;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 50% -200px, #1b1f3a 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 顶部导航 ===== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 18px 20px;
}

.logo {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .5px;
  color: var(--text);
}
.logo span { color: var(--accent); }

.nav { display: flex; gap: 18px; font-size: 14px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }

/* ===== 首屏 ===== */
.hero {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px 10px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.1;
  margin: 0 0 16px;
  background: linear-gradient(120deg, #ffffff 20%, var(--accent-2) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 640px;
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 16px;
}

/* ===== 风格按钮 ===== */
.styles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
}

.chip {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--muted);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: all .18s ease;
}

.chip:hover { color: var(--text); border-color: var(--accent); }

.chip.is-active {
  background: linear-gradient(120deg, var(--accent), #4f8cff);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 22px rgba(124, 92, 255, .35);
}

/* ===== 主按钮 ===== */
.generate {
  display: inline-block;
  margin: 6px auto 28px;
  padding: 15px 34px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), #4f8cff);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(124, 92, 255, .35);
  transition: transform .12s ease, box-shadow .12s ease;
}

.generate:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(124, 92, 255, .45); }
.generate:active { transform: translateY(0); }

/* ===== 结果卡片 ===== */
.results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
  margin: 0 auto 18px;
}

.name-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  animation: pop .25s ease both;
}

@keyframes pop {
  from { opacity: 0; transform: translateY(6px) scale(.98); }
  to { opacity: 1; transform: none; }
}

.name-card strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .2px;
  overflow-wrap: anywhere;
}

.copy {
  flex: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}
.copy:hover { color: var(--ok); border-color: var(--ok); }

.copy-all {
  margin: 0 auto 40px;
  padding: 12px 24px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
}
.copy-all:hover { border-color: var(--accent-2); }

/* ===== 正文 ===== */
.content {
  max-width: 820px;
  margin: 0 auto;
  padding: 10px 20px 60px;
}

.content h2 {
  font-size: 24px;
  margin: 48px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
}

.content h3 {
  font-size: 17px;
  margin: 26px 0 6px;
  color: var(--accent-2);
}

.content p { color: #c9cde3; margin: 10px 0; }

.link-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.link-list li {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}

.link-list a { color: var(--text); }
.link-list a:hover { color: var(--accent-2); }

/* ===== 页脚 ===== */
.site-footer {
  border-top: 1px solid var(--line);
  text-align: center;
  padding: 26px 20px 40px;
  color: var(--muted);
  font-size: 13px;
}

/* ===== 复制提示 ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  background: var(--ok);
  color: #06281c;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: all .25s ease;
}

.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ===== 移动端 ===== */
@media (max-width: 640px) {
  .nav { display: none; }
  .hero { padding-top: 24px; }
  .results { grid-template-columns: 1fr 1fr; }
  .name-card { padding: 12px; }
  .name-card strong { font-size: 14px; }
}