/* ============================================
   Jilaky1688 商脈引擎 ─ Style v1.0
   設計：深藍 + 金色 商務感
   字體：Noto Sans TC
   ============================================ */

:root {
  --primary: #1E3A8A;        /* 深藍主色 */
  --primary-dark: #1E2F6B;
  --primary-light: #3B5BDB;
  --accent: #F59E0B;         /* 金黃強調 */
  --accent-dark: #D97706;
  --text: #1F2937;
  --text-light: #6B7280;
  --bg: #F9FAFB;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --success: #10B981;
  --danger: #EF4444;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans TC", "Microsoft JhengHei", -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 80px 0;
}

/* ===== Banner (90 天 MVP 提示) ===== */
.mvp-banner {
  background: var(--accent);
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
}

/* ===== Header ===== */
header.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo .accent { color: var(--accent); }

nav.main-nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

nav.main-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}

nav.main-nav a:hover {
  color: var(--primary);
}

nav.main-nav a.cta {
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
}

nav.main-nav a.cta:hover {
  background: var(--primary-dark);
  color: #fff;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text);
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 100px 0 80px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero .subtitle {
  font-size: 20px;
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  margin-bottom: 40px;
  max-width: 700px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(245,158,11,0.3);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-dark {
  background: var(--primary);
  color: #fff;
}

.btn-dark:hover {
  background: var(--primary-dark);
}

/* ===== Section Header ===== */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header .lead {
  font-size: 18px;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(30,58,138,0.1);
  border-color: var(--primary);
}

.card-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.card p {
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Pricing Card ===== */
.pricing-card {
  background: var(--card);
  border-radius: 12px;
  padding: 40px 32px;
  border: 1px solid var(--border);
  position: relative;
  transition: all 0.2s;
}

.pricing-card.featured {
  border: 2px solid var(--accent);
  transform: scale(1.03);
}

.pricing-card.featured::before {
  content: "⭐ 主推";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
}

.pricing-card .plan-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.pricing-card .plan-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin: 16px 0 8px;
}

.pricing-card .plan-price .unit {
  font-size: 16px;
  color: var(--text-light);
  font-weight: 400;
}

.pricing-card .plan-yearly {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 24px;
}

.pricing-card ul {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-card ul li {
  padding: 8px 0;
  color: var(--text);
  font-size: 15px;
}

.pricing-card ul li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 700;
  margin-right: 8px;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 17px;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: "+";
  font-size: 24px;
  color: var(--primary);
  transition: transform 0.2s;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  color: var(--text-light);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  padding: 0 24px 24px;
  max-height: 500px;
}

.faq-category {
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  margin: 32px 0 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Contact Form ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--primary);
}

.contact-info .info-item {
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-info .info-item .icon {
  font-size: 20px;
}

.contact-info .info-item a {
  color: var(--text);
  text-decoration: none;
}

.contact-info .info-item a:hover {
  color: var(--primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--text);
}

.form-group label .required {
  color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  cursor: pointer;
}

.checkbox-group input {
  width: auto;
}

/* ===== Blog ===== */
.blog-list {
  display: grid;
  gap: 32px;
}

.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.2s;
}

.blog-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.blog-card .meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 12px;
}

.blog-card .tag {
  background: rgba(30,58,138,0.1);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.blog-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.blog-card h3 a {
  color: inherit;
  text-decoration: none;
}

.blog-card h3 a:hover {
  color: var(--primary);
}

.blog-card .excerpt {
  color: var(--text-light);
  margin-bottom: 16px;
}

.read-more {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
}

.read-more::after { content: " →"; }

/* ===== Blog Post (article) ===== */
article.blog-post {
  max-width: 760px;
  margin: 0 auto;
  background: var(--card);
  padding: 60px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

article.blog-post h1 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.3;
}

article.blog-post .meta {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

article.blog-post h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--primary);
}

article.blog-post p {
  margin-bottom: 16px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.8;
}

article.blog-post ul {
  margin: 16px 0;
  padding-left: 32px;
}

article.blog-post li {
  margin-bottom: 8px;
}

article.blog-post .highlight-box {
  background: rgba(245,158,11,0.1);
  border-left: 4px solid var(--accent);
  padding: 24px;
  margin: 32px 0;
  border-radius: 6px;
}

/* ===== Cases ===== */
.case-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 32px;
}

.case-card .status-badge {
  display: inline-block;
  background: var(--success);
  color: #fff;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.case-card h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  background: var(--bg);
  padding: 20px;
  border-radius: 8px;
  margin: 24px 0;
}

.case-meta .meta-item .label {
  font-size: 12px;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.case-meta .meta-item .value {
  font-weight: 600;
  color: var(--text);
  margin-top: 4px;
}

/* ===== Footer ===== */
footer.site-footer {
  background: var(--primary-dark);
  color: #fff;
  padding: 60px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: #fff;
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

footer h4 {
  font-size: 16px;
  margin-bottom: 20px;
  color: #fff;
}

footer ul {
  list-style: none;
}

footer ul li {
  margin-bottom: 12px;
}

footer ul li a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

footer ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
  border-radius: 16px;
  margin: 80px auto;
  max-width: 1100px;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .hero .subtitle { font-size: 16px; }
  .section-header h2 { font-size: 28px; }

  .mobile-toggle { display: block; }

  nav.main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  }

  nav.main-nav.open {
    display: block;
  }

  nav.main-nav ul {
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    align-items: flex-start;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .pricing-card.featured {
    transform: none;
  }

  article.blog-post {
    padding: 32px 24px;
  }
}

/* ===== Utilities ===== */
.text-center { text-align: center; }
.mt-4 { margin-top: 32px; }
.bg-white { background: #fff; }

/* ===== 浮動按鈕：湧泉會員入口 ===== */
.floating-fountain-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
  color: #fff !important;
  padding: 14px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  border: 2px solid rgba(255,255,255,0.2);
}

.floating-fountain-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.55);
  color: #fff !important;
}

.floating-fountain-btn .icon {
  font-size: 18px;
}

.floating-fountain-btn::after {
  content: "→";
  font-size: 16px;
  margin-left: 4px;
  transition: transform 0.2s;
}

.floating-fountain-btn:hover::after {
  transform: translateX(3px);
}

@media (max-width: 768px) {
  .floating-fountain-btn {
    bottom: 16px;
    right: 16px;
    padding: 12px 18px;
    font-size: 13px;
  }
}