/* ===== 内页公共样式（Klein Blue Tech Edition） ===== */

/* Page Hero */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark2) 60%, #0A1550 100%);
  padding: 100px 0 80px;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 80% 50%, rgba(0,47,167,0.3) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 20% 80%, rgba(212,168,67,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,47,167,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,47,167,0.1) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 0%, transparent 100%);
}
.page-hero-content { position: relative; z-index: 1; max-width: 680px; }
.page-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.page-hero-title span { color: var(--gold-light); }
.page-hero-desc {
  font-size: 18px;
  color: rgba(232,237,255,0.6);
  line-height: 1.75;
  max-width: 560px;
}
/* 内页 section-label 亮色版 */
.page-hero .section-label {
  color: var(--gold-light);
  background: rgba(212,168,67,0.1);
  border-color: rgba(212,168,67,0.25);
}
.page-hero .section-label::before { background: var(--gold); box-shadow: 0 0 8px var(--gold); }

/* ABOUT INTRO */
.about-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.about-stat-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.3s;
  cursor: default;
}
.about-stat-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.about-stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.about-stat-lbl { font-size: 13px; color: var(--text-light); }

/* MVV */
.mvv { background: var(--bg-gray); }
.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 60px; }
.mvv-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  text-align: center;
  transition: all 0.35s var(--ease-spring, cubic-bezier(0.16,1,0.3,1));
  position: relative;
  overflow: hidden;
}
.mvv-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--gold, #D4A843));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-spring, cubic-bezier(0.16,1,0.3,1));
}
.mvv-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: rgba(0,47,167,0.15); }
.mvv-card:hover::after { transform: scaleX(1); }
.mvv-icon {
  width: 64px; height: 64px;
  background: rgba(0,47,167,0.07);
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  color: var(--ic, var(--primary));
  transition: all 0.35s var(--ease-spring, cubic-bezier(0.16,1,0.3,1));
}
.mvv-card:hover .mvv-icon { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(0,47,167,0.3); }
.mvv-icon svg { width: 28px; height: 28px; }
.mvv-card h3 { font-family: var(--font-heading); font-size: 22px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; }
.mvv-card p { font-size: 15px; color: var(--text-mid); line-height: 1.8; }

/* TIMELINE */
.timeline { position: relative; max-width: 800px; margin: 60px auto 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--gold, #D4A843), var(--primary));
  transform: translateX(-50%);
  opacity: 0.3;
}
.tl-item {
  position: relative;
  width: 50%;
  padding-bottom: 48px;
}
.tl-left { left: 0; padding-right: 48px; text-align: right; }
.tl-right { left: 50%; padding-left: 48px; }
.tl-dot {
  position: absolute;
  top: 0;
  width: 14px; height: 14px;
  background: var(--primary);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--primary), 0 0 12px rgba(0,47,167,0.5);
}
.tl-left .tl-dot { right: -7px; }
.tl-right .tl-dot { left: -7px; }
.tl-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.3s;
}
.tl-card:hover { border-color: rgba(0,47,167,0.2); box-shadow: var(--shadow-md); }
.tl-year {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 8px;
}
.tl-card h4 { font-family: var(--font-heading); font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.tl-card p { font-size: 13px; color: var(--text-mid); line-height: 1.7; }

/* TEAM */
.team { background: var(--bg-gray); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 60px; }
.team-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.35s var(--ease-spring, cubic-bezier(0.16,1,0.3,1));
}
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); border-color: rgba(0,47,167,0.15); }
.team-avatar { margin-bottom: 20px; }
.avatar-placeholder {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--c, var(--primary)) 15%, white);
  color: var(--c, var(--primary));
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--c, var(--primary)) 30%, transparent);
}
.team-card h4 { font-family: var(--font-heading); font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.team-role { font-size: 13px; color: var(--primary); font-weight: 600; display: block; margin-bottom: 12px; }
.team-card p { font-size: 13px; color: var(--text-mid); line-height: 1.7; }

/* ===== PRODUCTS PAGE ===== */
.prod-detail-section { padding: 80px 0; }
.prod-detail-section:nth-child(even) { background: var(--bg-gray); }
.prod-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.prod-detail.reverse { direction: rtl; }
.prod-detail.reverse > * { direction: ltr; }
.prod-detail-visual {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.prod-detail-screen {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark2) 100%);
  padding: 32px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.prod-screen-mock {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 100%;
  overflow: hidden;
}
.mock-header {
  background: var(--primary);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mock-header span { font-size: 12px; color: rgba(255,255,255,0.9); font-weight: 600; font-family: var(--font-heading); }
.mock-header svg { width: 16px; height: 16px; color: rgba(255,255,255,0.8); }
.mock-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.mock-row { height: 12px; background: var(--bg-gray); border-radius: 6px; }
.mock-row.w-full { width: 100%; }
.mock-row.w-3q { width: 75%; }
.mock-row.w-half { width: 50%; }
.mock-row.highlight { background: color-mix(in srgb, var(--c, var(--primary)) 25%, white); }
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.mock-cell { background: var(--bg-gray); border-radius: 8px; padding: 10px; text-align: center; }
.mock-cell-val { font-family: var(--font-heading); font-size: 18px; font-weight: 800; color: var(--c, var(--primary)); display: block; }
.mock-cell-lbl { font-size: 10px; color: var(--text-light); }
.prod-detail-info h2 { font-family: var(--font-heading); font-size: clamp(24px, 3vw, 36px); font-weight: 800; color: var(--text-dark); margin-bottom: 16px; line-height: 1.3; }
.prod-detail-info h2 span { color: var(--primary); }
.prod-detail-info p { font-size: 15px; color: var(--text-mid); line-height: 1.8; margin-bottom: 28px; }
.prod-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.prod-feature-item { display: flex; gap: 12px; align-items: flex-start; }
.prod-feature-item svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.prod-feature-item span { font-size: 15px; color: var(--text-mid); }

/* ===== SOLUTIONS PAGE ===== */
.sol-hero-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 32px; }
.sol-tab {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--bg-white);
  color: var(--text-mid);
  cursor: pointer;
  transition: all 0.2s;
}
.sol-tab.active, .sol-tab:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.sol-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; margin-top: 60px; }
.sol-challenge, .sol-benefit {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 16px;
}
.sol-challenge h4, .sol-benefit h4 { font-family: var(--font-heading); font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.sol-challenge h4::before { content: ''; width: 4px; height: 16px; background: #C0392B; border-radius: 2px; }
.sol-benefit h4::before { content: ''; width: 4px; height: 16px; background: var(--primary); border-radius: 2px; }
.challenge-list, .benefit-list { display: flex; flex-direction: column; gap: 10px; }
.challenge-item, .benefit-item { display: flex; gap: 10px; font-size: 14px; color: var(--text-mid); align-items: flex-start; }
.challenge-item::before { content: '–'; color: #C0392B; flex-shrink: 0; font-weight: 700; }
.benefit-item::before { content: '✓'; color: var(--primary); flex-shrink: 0; font-weight: 700; }

/* ===== CASES PAGE ===== */
.cases-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--bg-white);
  color: var(--text-mid);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.case-card-top {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 900;
}
.case-card-body { padding: 24px; }
.case-industry {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.case-card-body h4 { font-family: var(--font-heading); font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; line-height: 1.5; }
.case-card-body p { font-size: 13px; color: var(--text-mid); line-height: 1.7; margin-bottom: 16px; }
.case-results { display: flex; gap: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.case-result { text-align: center; }
.case-result-val { font-family: var(--font-heading); font-size: 18px; font-weight: 800; color: var(--primary); display: block; }
.case-result-lbl { font-size: 11px; color: var(--text-light); }

/* ===== CONTACT PAGE ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; }
.contact-info { }
.contact-method { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 28px; }
.contact-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(0,47,167,0.07); display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; }
.contact-icon svg { width: 20px; height: 20px; }
.contact-method h4 { font-family: var(--font-heading); font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.contact-method p { font-size: 14px; color: var(--text-mid); }
.contact-form-wrap {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}
.contact-form-wrap h3 { font-family: var(--font-heading); font-size: 22px; font-weight: 800; color: var(--text-dark); margin-bottom: 8px; }
.contact-form-wrap p { font-size: 14px; color: var(--text-mid); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-dark); }
.form-group input, .form-group select, .form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dark);
  background: var(--bg);
  transition: all 0.2s;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
  background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(0,47,167,0.08);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== RESPONSIVE (inner pages) ===== */
@media (max-width: 1100px) {
  .about-intro { grid-template-columns: 1fr; }
  .mvv-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-detail { grid-template-columns: 1fr; gap: 40px; }
  .prod-detail.reverse { direction: ltr; }
  .sol-detail { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .timeline::before { left: 16px; }
  .tl-item { width: 100%; left: 0; padding-left: 48px; padding-right: 0; text-align: left; }
  .tl-left .tl-dot, .tl-right .tl-dot { left: 9px; right: auto; }
  .team-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}