/* 模板布局适配：普通滚动内容页，主内容区使用内边距（全局重置与 body 样式由模板提供） */
.main { padding: 40px 24px; }

.hero-section { text-align: center; padding: 36px 0 0; }
.hero-title { font-size: 40px; font-weight: 700; color: #1c2433; margin-bottom: 8px; letter-spacing: -.5px; }
.hero-title .gradient-text { background: linear-gradient(135deg, #2f6bff, #7ba3ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 14px; color: #97a0b3; }

.nav-tabs { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; max-width: 1320px; margin: 0 auto 24px; }
.nav-tab {
  padding: 8px 20px; border-radius: 999px; font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all .2s; border: 1px solid #e6ebf4;
  background: #fff; color: #5c6678;
}
.nav-tab:hover { background: #eef4ff; border-color: #2f6bff; color: #2f6bff; }
.nav-tab.active {
  background: linear-gradient(135deg, #2f6bff, #1f56e0);
  color: #fff; border-color: transparent;
  box-shadow: 0 4px 12px rgba(47,107,255,.28);
}

.search-bar { max-width: 1320px; margin: 28px auto; }
.search-bar input {
  width: 100%; padding: 12px 20px;
  border: 1px solid #e6ebf4; border-radius: 999px;
  font-size: 15px; outline: none; transition: all .2s;
  background: #fff; box-shadow: 0 1px 3px rgba(31,66,138,.05);
}
.search-bar input:focus {
  border-color: #2f6bff;
  box-shadow: 0 0 0 3px rgba(47,107,255,.1);
}

.container { max-width: 1320px; margin: 0 auto; padding: 0 0 60px; }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* 单色卡片 */
.color-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 14px; margin-top: 16px;
}
.color-card {
  background: #fff; border: 1px solid #e6ebf4; border-radius: 12px; padding: 12px;
  box-shadow: 0 1px 4px rgba(31,66,138,.04); cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.color-card:hover {
  transform: translateY(-3px);
  border-color: #c9d8ff;
  box-shadow: 0 8px 24px rgba(47,107,255,.12);
}
.color-label { font-size: 11px; color: #97a0b3; margin-bottom: 8px; font-weight: 500; }
.color-swatch { height: 80px; border-radius: 8px; margin-bottom: 10px; }
.color-info { display: flex; justify-content: space-between; align-items: center; }
.color-name { font-size: 13px; font-weight: 500; color: #1c2433; }
.color-hex { font-size: 12px; color: #97a0b3; font-family: monospace; }

/* 渐变卡片 */
.gradient-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 14px; margin-top: 16px;
}
.gradient-card {
  background: #fff; border: 1px solid #e6ebf4; border-radius: 12px; padding: 12px;
  box-shadow: 0 1px 4px rgba(31,66,138,.04); cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.gradient-card:hover {
  transform: translateY(-3px);
  border-color: #c9d8ff;
  box-shadow: 0 8px 24px rgba(47,107,255,.12);
}
.gradient-label { font-size: 11px; color: #97a0b3; margin-bottom: 8px; font-weight: 500; }
.gradient-swatch { height: 80px; border-radius: 8px; margin-bottom: 10px; }
.gradient-info { display: flex; }
.gradient-info span { flex: 1; font-size: 11px; color: #5c6678; font-family: monospace; text-align: center; }

/* 配色方案卡片 */
.scheme-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; margin-top: 16px;
}
.scheme-card {
  background: #fff; border: 1px solid #e6ebf4; border-radius: 12px; padding: 12px;
  box-shadow: 0 1px 4px rgba(31,66,138,.04); cursor: pointer;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.scheme-card:hover {
  transform: translateY(-3px);
  border-color: #c9d8ff;
  box-shadow: 0 8px 24px rgba(47,107,255,.12);
}
.scheme-label { font-size: 11px; color: #97a0b3; margin-bottom: 8px; font-weight: 500; }
.scheme-swatch { height: 80px; border-radius: 8px; display: flex; margin-bottom: 10px; overflow: hidden; }
.scheme-swatch .stop { flex: 1; height: 100%; }
.scheme-info { display: flex; }
.scheme-info span { flex: 1; font-size: 11px; color: #5c6678; font-family: monospace; text-align: center; }

.toast {
  position: fixed; bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: linear-gradient(135deg, #2f6bff, #1f56e0); color: #fff;
  padding: 10px 26px; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  box-shadow: 0 8px 24px rgba(47,107,255,.35);
  opacity: 0; transition: all .3s; z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
  .hero-title { font-size: 32px; }
  .color-grid { grid-template-columns: repeat(4, 1fr); }
  .gradient-grid { grid-template-columns: repeat(4, 1fr); }
  .scheme-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .main { padding: 24px 14px; }
  .hero-section { padding: 12px 0 0; }
  .hero-title { font-size: 26px; }
  .nav-tab { padding: 6px 14px; font-size: 13px; }
  .color-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .gradient-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .scheme-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

@media (max-width: 420px) {
  .color-grid { grid-template-columns: repeat(2, 1fr); }
  .scheme-grid { grid-template-columns: repeat(2, 1fr); }
  .gradient-grid { grid-template-columns: repeat(1, 1fr); }
}