/* ==========================================================================
   苏州科致软件 - SEO Landing Page 特效样式系统 (CSS)
   所有内容采用 UTF-8 BOM 编码，保障中文无乱码
   ========================================================================== */

.landing-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
  margin: 30px auto 60px;
}

@media (max-width: 992px) {
  .landing-container {
    grid-template-columns: 1fr;
  }
}

/* 面包屑导航 */
.breadcrumb {
  padding: 15px 0;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: var(--color-primary);
}
.breadcrumb span {
  margin: 0 8px;
  color: var(--text-muted);
}

/* 主体文章排版 */
.landing-main {
  background: var(--bg-secondary);
  padding: 40px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-main);
}

.landing-main h1 {
  font-size: 32px;
  font-family: var(--font-display);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}
.page-meta {
  margin: -8px 0 20px;
  color: var(--text-muted);
  font-size: 13px;
}

.landing-main h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 35px 0 15px;
  padding-left: 12px;
  border-left: 4px solid var(--color-primary);
  line-height: 1.4;
}

.landing-main h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 20px 0 10px;
}

.landing-main p {
  margin-bottom: 18px;
  color: var(--text-secondary);
  font-size: 15px;
}

.landing-main ul, .landing-main ol {
  margin-bottom: 20px;
  padding-left: 20px;
}

.landing-main li {
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 15px;
}

/* 特色卡片组 */
.feature-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 25px 0;
}
@media (max-width: 600px) {
  .feature-section {
    grid-template-columns: 1fr;
  }
}
.feature-item {
  padding: 20px;
  background: var(--bg-primary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}
.feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.feature-item p {
  font-size: 14px;
  margin-bottom: 0;
}

/* 适用说明卡片 */
.suit-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 25px 0;
}
@media (max-width: 600px) {
  .suit-card {
    grid-template-columns: 1fr;
  }
}
.suit-box {
  padding: 20px;
  border-radius: 12px;
}
.suit-box.apply {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.suit-box.not-apply {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.suit-box h4 {
  font-size: 16px;
  margin-bottom: 12px;
  font-weight: 600;
}
.suit-box.apply h4 { color: #059669; }
.suit-box.not-apply h4 { color: #dc2626; }

/* 侧边栏 */
.landing-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-box {
  background: var(--bg-secondary);
  padding: 25px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-main);
}

.sidebar-box h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

/* 侧边导航 */
.side-nav-list {
  list-style: none;
  padding-left: 0;
}
.side-nav-list li {
  margin-bottom: 10px;
}
.side-nav-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}
.side-nav-list a:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* 极简预约表单 */
.consult-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.consult-form input, .consult-form textarea, .consult-form select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}
.consult-form input:focus, .consult-form textarea:focus, .consult-form select:focus {
  border-color: var(--color-primary);
}
.consult-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.consult-btn:hover {
  opacity: 0.9;
}

/* FAQ 折叠手风琴 */
.faq-accordion {
  margin-top: 25px;
}
.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
}
.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 16px;
  outline: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.faq-item[open] summary::after {
  content: "-";
  transform: rotate(90deg);
}
.faq-item p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 中部/底部 CTA 横幅 */
.cta-banner {
  margin: 32px 0;
  padding: 30px 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 16px;
  color: #ffffff;
  text-align: center;
  box-shadow: 0 12px 30px -10px rgba(37, 99, 235, 0.45);
}
.cta-banner h3 {
  color: #ffffff;
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 10px;
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
  margin-bottom: 18px;
}
.cta-btn {
  display: inline-block;
  padding: 12px 28px;
  background: #ffffff;
  color: var(--color-primary);
  font-weight: 700;
  border-radius: 30px;
  font-size: 15px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
.cta-bottom {
  margin-top: 40px;
}

/* 实施步骤流程图 */
.flow-chart {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 24px;
  padding: 20px;
  background: var(--bg-primary);
  border: 1px dashed var(--border-color);
  border-radius: 12px;
}
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 80px;
}
.flow-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flow-step span {
  font-size: 13px;
  color: var(--text-primary);
  font-weight: 500;
}
.flow-arrow {
  color: var(--color-primary);
  font-size: 16px;
}
@media (max-width: 640px) {
  .flow-arrow {
    transform: rotate(90deg);
  }
}