/* === Base Reset & Variables === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #7c3aed;
  --color-primary-hover: #6d28d9;
  --color-primary-light: #f5f3ff;
  --color-secondary: #2563eb;
  --color-secondary-light: #eff6ff;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-prompt-bg: #faf5ff;
  --color-prompt-border: #e9d5ff;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --max-width: 1320px;
  --transition: 0.2s ease;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html { font-size: 14px; line-height: 1.7; scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); min-height: 100vh; display: flex; flex-direction: column; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-hover); text-decoration: none; }

h1 { font-size: 2rem; font-weight: 800; line-height: 1.3; margin-bottom: 0.5em; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5em; margin-top: 1.5em; }
h3 { font-size: 1.143rem; font-weight: 600; margin-bottom: 0.3em; }

img { max-width: 100%; height: auto; }
ul, ol { padding-left: 1.5em; }
li { margin-bottom: 0.3em; }

/* === Layout === */
.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.logo { font-size: 1.05rem; font-weight: 700; color: var(--color-text); white-space: nowrap; letter-spacing: -0.01em; }
.logo:hover { color: var(--color-primary); }
.nav-links { list-style: none; display: flex; gap: 1.5rem; padding: 0; flex-wrap: wrap; }
.nav-links a { color: var(--color-text-light); font-size: 0.9rem; font-weight: 500; padding: 0.25rem 0; border-bottom: 2px solid transparent; transition: all var(--transition); }
.nav-links a:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* === Language Switcher === */
.lang-switcher { position: absolute; top: 0.75rem; right: 1.25rem; }
.lang-btn { display: inline-block; padding: 0.25rem 0.6rem; font-size: 0.8rem; font-weight: 600; color: var(--color-primary); border: 1.5px solid var(--color-primary); border-radius: var(--radius); transition: all var(--transition); text-decoration: none; }
.lang-btn:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.site-header .nav-container { position: relative; }

.main-content { flex: 1; max-width: var(--max-width); margin: 0 auto; padding: 2rem 1.25rem; width: 100%; }

.site-footer { background: #f1f5f9; border-top: 1px solid var(--color-border); margin-top: 3rem; padding: 2rem 1.25rem; text-align: center; color: var(--color-text-light); font-size: 0.9rem; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-links { margin-top: 0.8rem; display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { color: var(--color-text-light); font-size: 0.85rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--color-primary); }

/* === Hero === */
.hero {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 50%, #faf5ff 100%);
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
}
.hero h1 { font-size: 2.25rem; color: var(--color-text); }
.hero-sub { color: var(--color-text-light); font-size: 1rem; margin-bottom: 1.5rem; max-width: 620px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* === Buttons === */
.btn { display: inline-block; padding: 0.65rem 1.5rem; border-radius: 22px; font-size: 0.95rem; font-weight: 600; cursor: pointer; border: none; transition: all var(--transition); }
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: 0 4px 14px rgba(124,58,237,0.3); }
.btn-secondary { background: var(--color-surface); color: var(--color-primary); border: 1.5px solid var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary-light); }
.btn-copy { background: var(--color-primary); color: #fff; padding: 0.6rem 1.4rem; border-radius: 22px; border: none; cursor: pointer; font-size: 0.9rem; font-weight: 600; transition: all var(--transition); }
.btn-copy:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(124,58,237,0.3); }
.btn-copy.copied { background: var(--color-success); }

/* === Cards === */
.section { margin-bottom: 2.5rem; }
.section h2 { padding-bottom: 0.5rem; border-bottom: 2px solid var(--color-border); }
.section-desc { color: var(--color-text-light); margin-bottom: 1.5rem; }
.section-more { margin-top: 1.25rem; text-align: center; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all var(--transition);
  color: var(--color-text);
  position: relative;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); text-decoration: none; border-color: transparent; }
.card h3 { color: var(--color-text); margin-bottom: 0.4rem; font-size: 1rem; font-weight: 600; }
.card p { color: var(--color-text-light); font-size: 0.85rem; margin: 0; line-height: 1.6; }
.tag { display: inline-block; background: var(--color-primary-light); color: var(--color-primary); padding: 0.2rem 0.7rem; border-radius: 12px; font-size: 0.75rem; margin-top: 0.5rem; font-weight: 500; }

/* Industry cards with emoji */
.industry-card h3::before { margin-right: 0.4rem; }
.industry-card[href*="catering"] h3::before { content: "🍜"; }
.industry-card[href*="retail"] h3::before { content: "🛍️"; }
.industry-card[href*="beauty"] h3::before { content: "💅"; }
.industry-card[href*="repair"] h3::before { content: "🔧"; }
.industry-card[href*="pet"] h3::before { content: "🐾"; }
.industry-card[href*="education"] h3::before { content: "📚"; }
.industry-card[href*="photography"] h3::before { content: "📷"; }
.industry-card[href*="fitness"] h3::before { content: "💪"; }
.industry-card[href*="hotel"] h3::before { content: "🏨"; }
.industry-card[href*="clinic"] h3::before { content: "🏥"; }
.industry-card[href*="auto-repair"] h3::before { content: "🚗"; }
.industry-card[href*="flower"] h3::before { content: "🌸"; }
.industry-card[href*="bakery"] h3::before { content: "🧁"; }
.industry-card[href*="laundry"] h3::before { content: "👔"; }
.industry-card[href*="real-estate"] h3::before { content: "🏠"; }

/* === Template Detail === */
.breadcrumb { font-size: 0.85rem; color: var(--color-text-light); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }
.template-meta { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.template-desc { font-size: 1.05rem; color: var(--color-text-light); margin-bottom: 1.5rem; line-height: 1.7; }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.info-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.1rem; }
.info-box h3 { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 0.3rem; text-transform: uppercase; letter-spacing: 0.03em; }
.template-section { margin-top: 2rem; }
.materials-list { list-style: disc; }

/* === Prompt Box === */
.prompt-box {
  background: var(--color-prompt-bg);
  border: 1.5px solid var(--color-prompt-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
}
.prompt-text { white-space: pre-wrap; word-break: break-word; font-size: 0.9rem; line-height: 1.9; font-family: var(--font-body); margin-bottom: 1rem; color: var(--color-text); }

/* === Tables === */
.field-table, .template-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; table-layout: fixed; }
.field-table th, .field-table td, .template-table th, .template-table td { padding: 0.6rem 0.85rem; border: 1px solid var(--color-border); text-align: left; overflow-wrap: anywhere; word-break: break-word; }
.field-table th, .template-table th { background: #f1f5f9; font-weight: 600; white-space: nowrap; }
.template-table td a { font-weight: 500; }
.template-table tbody tr:hover td { background: var(--color-primary-light); }

/* === Example & Checklist === */
.example-box { background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius); padding: 1.1rem; }
.example-note { font-size: 0.8rem; color: var(--color-text-light); margin-top: 0.5rem; font-style: italic; }
.checklist { list-style: none; padding: 0; }
.checklist li { padding: 0.5rem 0; border-bottom: 1px solid var(--color-border); }
.checklist li:last-child { border-bottom: none; }
.checklist label { cursor: pointer; display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; }
.checklist label input[type="checkbox"] { width: 1.1rem; height: 1.1rem; accent-color: var(--color-primary); cursor: pointer; }
.related-templates { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.related-link { background: var(--color-primary-light); padding: 0.45rem 0.9rem; border-radius: 16px; font-size: 0.85rem; font-weight: 500; transition: all var(--transition); }
.related-link:hover { background: var(--color-primary); color: #fff; }

/* === Filter Bar === */
.filter-bar { display: flex; gap: 0.8rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.search-input, .filter-select {
  padding: 0.55rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 22px;
  font-size: 0.9rem;
  background: var(--color-surface);
  transition: all var(--transition);
}
.search-input:focus, .filter-select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(124,58,237,0.1); }
.search-input { flex: 1; min-width: 200px; }
.filter-select { min-width: 140px; cursor: pointer; }

/* === Tools === */
.tool-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 1.5rem; margin: 1.5rem 0; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 0.9rem; }
.form-group select, .form-group textarea, .form-group input[type="text"] {
  width: 100%;
  padding: 0.6rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: all var(--transition);
}
.form-group select:focus, .form-group textarea:focus, .form-group input[type="text"]:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(124,58,237,0.1); }
.form-group textarea { resize: vertical; }
.tool-output { background: var(--color-prompt-bg); border: 1.5px solid var(--color-prompt-border); border-radius: var(--radius-lg); padding: 1.5rem; margin-top: 1.5rem; }
.tool-note { font-size: 0.8rem; color: var(--color-text-light); margin-top: 1rem; }

/* === Check Results === */
.check-item { padding: 0.6rem 0; border-bottom: 1px solid var(--color-border); display: flex; align-items: flex-start; gap: 0.5rem; }
.check-pass { color: var(--color-success); }
.check-warn { color: var(--color-warning); }
.check-fail { color: var(--color-error); }
.check-icon { font-weight: 700; min-width: 1.5rem; }

/* === Guide === */
.guide-article { max-width: 800px; }
.guide-desc { color: var(--color-text-light); font-size: 1.05rem; margin-bottom: 2rem; line-height: 1.7; }
.guide-section { margin-bottom: 2rem; }
.guide-content p { margin-bottom: 0.5rem; }
.faq-line strong { color: var(--color-primary); }

/* === FAQ === */
.faq-section { background: var(--color-surface); border-radius: var(--radius-lg); padding: 1.5rem; border: 1px solid var(--color-border); }
.faq-list details { border-bottom: 1px solid var(--color-border); padding: 0.8rem 0; }
.faq-list details:last-child { border-bottom: none; }
.faq-list summary { cursor: pointer; font-weight: 600; padding: 0.3rem 0; transition: color var(--transition); }
.faq-list summary:hover { color: var(--color-primary); }
.faq-list details p { margin-top: 0.5rem; color: var(--color-text-light); line-height: 1.7; }

/* === Page Article === */
.page-article { max-width: 800px; }
.page-article h1 { margin-bottom: 1rem; }
.page-article h2 { margin-top: 2rem; }
.page-article p { margin-bottom: 0.8rem; line-height: 1.7; }
.page-article ul { margin-bottom: 1rem; }

/* === Dialogue Scenarios === */
.dialogue-container { margin: 1.5rem 0; }
.dialogue-item { padding: 1rem; border-radius: var(--radius); margin-bottom: 1rem; }
.dialogue-role { font-weight: 600; font-size: 0.85rem; margin-bottom: 0.4rem; }
.dialogue-content { line-height: 1.7; }
.dialogue-reason { margin-top: 0.5rem; font-size: 0.85rem; color: var(--color-error); font-style: italic; }
.dialogue-customer { background: #f3f4f6; border-left: 3px solid #9ca3af; }
.dialogue-customer .dialogue-role { color: #6b7280; }
.dialogue-recommended { background: #ecfdf5; border-left: 3px solid var(--color-success); }
.dialogue-recommended .dialogue-role { color: var(--color-success); }
.dialogue-not-recommended { background: #fef2f2; border-left: 3px solid var(--color-error); }
.dialogue-not-recommended .dialogue-role { color: var(--color-error); }

/* === Responsive === */
@media (max-width: 768px) {
  html { font-size: 14px; }
  h1 { font-size: 1.6rem; }
  .hero { padding: 2rem 1rem; }
  .hero h1 { font-size: 1.75rem; }
  .card-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .nav-container { flex-direction: column; align-items: flex-start; }
  .nav-links { gap: 0.8rem; font-size: 0.85rem; }
  .filter-bar { flex-direction: column; }
  .template-table { font-size: 0.8rem; }
  .field-table th, .template-table th { white-space: normal; }
  .template-table td:nth-child(4) { display: none; }
  .btn { padding: 0.55rem 1.2rem; font-size: 0.9rem; }
}