/* ============================================
   Applications Page - Final Optimized Version
   UI + Structure + Conversion Focus
   ============================================ */

/* ---- Hero: Clean without background text conflict ---- */
.app-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(rgba(11,26,42,0.92), rgba(11,26,42,0.88)),
              url('/images/applications-hero.webp') center/cover no-repeat;
  padding: 80px 20px;
}
.app-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(255,106,0,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.app-hero .hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}
/* 1. 标题 H1 */
.app-hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 20px;
}
/* 2. 副标题 */
.app-hero .hero-desc {
  font-size: clamp(14px, 2vw, 17px);
  color: rgba(255,255,255,0.78);
  max-width: 600px;
  margin: 0 auto 30px;
  line-height: 1.7;
}
/* 3. 核心数据卡片 */
.app-hero-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.stat-card {
  background: rgba(255,255,255,0.95);
  border-radius: 12px;
  padding: 20px 28px;
  text-align: center;
  min-width: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.stat-card .stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--c-accent, #FF6A00);
  line-height: 1;
  display: block;
}
.stat-card .stat-label {
  font-size: 14px;
  color: #666;
  display: block;
  font-weight: 500;
}
/* 4. 信任标签 */
.trust-tags {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.trust-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 6px 16px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
/* 5. 行业标签 */
.industry-tags {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.industry-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  background: rgba(255,106,0,0.15);
  border: 1px solid rgba(255,106,0,0.3);
  padding: 8px 20px;
  border-radius: 8px;
  transition: background 0.2s, transform 0.2s;
}
.industry-tag:hover {
  background: rgba(255,106,0,0.25);
  transform: translateY(-2px);
}
/* 6. CTA按钮 */
.app-hero-cta {
  margin-top: 10px;
}
.app-hero-cta .btn-primary {
  display: inline-block;
  padding: 14px 40px;
  font-size: 16px;
  font-weight: 700;
}

/* ---- Sticky Quick Nav ---- */
.quick-nav {
  padding: 10px 0;
  background: var(--c-card-bg);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 72px;
  z-index: 90;
}
.quick-nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.quick-nav a {
  font-size: 11px;
  padding: 5px 12px;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  color: var(--c-text-dim);
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.quick-nav a:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(255,106,0,0.08);
}

/* ---- Industry Section ---- */
.industry-section {
  padding: 60px 0;
}
.industry-section:nth-child(odd) {
  background: var(--c-bg);
}
.industry-section:nth-child(even) {
  background: var(--c-card-bg);
}

/* Industry Header: Left content + Right image */
.industry-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 32px;
}
.industry-header-content {
  max-width: 520px;
}
.industry-number {
  font-size: 11px;
  font-weight: 700;
  color: var(--c-accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.industry-title {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  color: var(--c-heading);
  line-height: 1.2;
  margin-bottom: 12px;
}
.industry-desc {
  font-size: 14px;
  color: var(--c-text-dim);
  line-height: 1.7;
  margin-bottom: 18px;
}
.industry-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--c-accent);
  color: #fff;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}
.industry-cta:hover {
  background: var(--c-accent-h);
  transform: translateY(-2px);
}
.industry-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.industry-image img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

/* Scenario Cards with Icons */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.scenario-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 18px 16px;
  transition: all 0.25s;
}
.scenario-card:hover {
  border-color: var(--c-accent);
  background: rgba(255,106,0,0.04);
  transform: translateY(-3px);
}
.scenario-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,106,0,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 18px;
}
.scenario-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 6px;
}
.scenario-desc {
  font-size: 12px;
  color: var(--c-text-dim);
  line-height: 1.5;
}

/* ---- IC Mapping Table (Conversion Optimized) ---- */
.ic-table-wrapper {
  overflow-x: auto;
  margin-bottom: 20px;
  border-radius: 10px;
  border: 1px solid var(--c-border);
}
.ic-mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: rgba(255,255,255,0.02);
}
.ic-mapping-table th {
  background: var(--c-bg-2);
  color: var(--c-heading);
  font-weight: 700;
  text-align: left;
  padding: 14px 16px;
  border-bottom: 2px solid var(--c-border);
  white-space: nowrap;
}
.ic-mapping-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text-dim);
  vertical-align: middle;
}
.ic-mapping-table tr:last-child td {
  border-bottom: none;
}
.ic-mapping-table tr:hover td {
  background: rgba(255,106,0,0.04);
}

/* Part Number Link */
.part-number {
  font-weight: 700;
  color: var(--c-accent);
  text-decoration: none;
  font-size: 13.5px;
  transition: all 0.2s;
}
.part-number:hover {
  color: var(--c-accent-h);
  text-decoration: underline;
}

/* Datasheet Button */
.btn-datasheet {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  color: var(--c-text-dim);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-datasheet:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(255,106,0,0.08);
}

/* RFQ Button */
.btn-rfq {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--c-accent);
  border: none;
  border-radius: 4px;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-rfq:hover {
  background: var(--c-accent-h);
  transform: translateY(-1px);
}

/* ---- Tech Resources ---- */
.tech-resources {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.tech-resource-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  color: var(--c-text);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}
.tech-resource-link:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(255,106,0,0.06);
}

/* ---- Industry CTA Box ---- */
.industry-cta-box {
  background: linear-gradient(135deg, rgba(255,106,0,0.08) 0%, rgba(255,106,0,0.02) 100%);
  border: 1px solid rgba(255,106,0,0.2);
  border-radius: 10px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.industry-cta-box .cta-text h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 4px;
}
.industry-cta-box .cta-text p {
  font-size: 13px;
  color: var(--c-text-dim);
}

/* ---- Inquiry Form Section ---- */
.app-inquiry-section {
  padding: 70px 0;
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-card-bg) 100%);
}
.app-inquiry-form {
  max-width: 600px;
  margin: 32px auto 0;
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--c-heading);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 13px;
  font-family: inherit;
  transition: all 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(255,106,0,0.12);
}
.form-group textarea {
  resize: vertical;
  min-height: 90px;
}
.form-submit-row {
  margin-top: 20px;
  text-align: center;
}
.btn-submit {
  padding: 12px 36px;
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
}
.btn-submit:hover {
  background: var(--c-accent-h);
  transform: translateY(-2px);
}

/* ---- Section Headers ---- */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}
.section-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 10px;
}
.section-header h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  color: var(--c-heading);
  margin-bottom: 10px;
}
.section-header p {
  font-size: 14px;
  color: var(--c-text-dim);
  line-height: 1.6;
}

/* ---- Footer Fix ---- */
.site-footer {
  display: block !important;
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-border);
  padding: 50px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--c-text-dim);
  line-height: 1.7;
  margin-top: 12px;
}
.footer-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-links a {
  display: block;
  font-size: 13px;
  color: var(--c-text-dim);
  text-decoration: none;
  padding: 5px 0;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--c-accent);
}
.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--c-text-dim);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .industry-header {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .industry-image {
    order: -1;
  }
  .industry-image img {
    height: 200px;
  }
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .app-hero {
    min-height: 400px;
    padding: 60px 16px;
  }
  .app-hero-stats {
    gap: 16px;
  }
  .stat-card {
    min-width: 110px;
    padding: 16px 18px;
  }
  .stat-card .stat-number {
    font-size: 26px;
  }
  .stat-card .stat-label {
    font-size: 12px;
  }
  .trust-tags {
    gap: 10px;
  }
  .trust-tag {
    font-size: 11px;
    padding: 5px 12px;
  }
  .industry-tags {
    gap: 8px;
  }
  .industry-tag {
    font-size: 12px;
    padding: 6px 14px;
  }
  .quick-nav {
    top: 60px;
  }
  .quick-nav-inner {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .app-inquiry-form {
    padding: 24px 20px;
  }
  .industry-cta-box {
    flex-direction: column;
    text-align: center;
  }
  .ic-mapping-table {
    font-size: 12px;
  }
  .ic-mapping-table th,
  .ic-mapping-table td {
    padding: 10px 12px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 480px) {
  .app-hero-stats {
    flex-direction: column;
    gap: 14px;
  }
  .industry-title {
    font-size: 20px;
  }
}