/* 全屏 Hero：用于首页首屏和需要背景图遮罩的页面。 */
.hero-full {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background-size: cover; background-position: center;
  background-repeat: no-repeat;
}
.hero-full::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1;
}
.hero-full .hero-content {
  position: relative; z-index: 2; text-align: center;
  max-width: 800px; padding: 0 20px;
}
.hero-full h1 {
  color: #fff; font-size: 56px; margin-bottom: 18px;
  text-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.hero-full p {
  color: rgba(255,255,255,.9); font-size: 20px; margin-bottom: 30px;
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.hero-full .hero-actions { justify-content: center; }
.hero-full .btn { padding: 16px 36px; font-size: 17px; }

/* 通用分区与网格：供首页、产品页和内容页复用。 */
.section { padding: 64px 0; border-bottom: 1px solid var(--color-border); }
.section:nth-of-type(odd) { background: var(--color-bg-light); }
.section:nth-of-type(even) { background: var(--color-bg-white); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: stretch; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

/* 通用按钮：主按钮、强调按钮和描边按钮。 */
.btn {
  display: inline-block; padding: 14px 32px;
  background: var(--color-primary); color: #fff;
  font-weight: 700; font-size: 16px;
  border: 0; border-radius: var(--radius-pill);
  cursor: pointer; transition: background .3s ease, box-shadow .3s ease;
  text-decoration: none; text-align: center;
}
.btn:hover { background: var(--color-primary-dark); box-shadow: 0 4px 12px rgba(46,125,50,.3); text-decoration: none; color: #fff; }
.btn-accent { background: var(--color-accent); }
.btn-accent:hover { background: var(--color-primary-dark); box-shadow: 0 4px 12px rgba(46,125,50,.3); }
.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

/* 标准 Hero：用于非全屏页面顶部说明区。 */
.hero {
  padding: 64px 0 48px; background: var(--color-bg-white);
  text-align: center;
}
.hero h1 { max-width: 960px; margin: 0 auto 24px; font-size: 48px; }
.hero p { max-width: 780px; margin: 0 auto 18px; color: var(--color-text-muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 28px; }
.hero-note { max-width: 780px; margin: 20px auto 0; padding: 14px 20px; background: var(--color-primary-light); border-radius: var(--radius-card); font-size: 15px; color: var(--color-text-muted); }

/* 产品轮播：single-product.php 中的产品图片轮播。 */
.carousel { position: relative; max-width: 780px; margin: 32px auto 0; overflow: hidden; border-radius: var(--radius-card); }
.carousel .slide { display: none; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.carousel .slide.active { display: block; }
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,.4); color: #fff; border: 0;
  font-size: 24px; padding: 10px 16px; cursor: pointer;
  transition: background .3s ease;
}
.carousel-btn:hover { background: rgba(0,0,0,.7); }
.carousel-prev { left: 8px; border-radius: 0 4px 4px 0; }
.carousel-next { right: 8px; border-radius: 4px 0 0 4px; }
.carousel-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.carousel-dots .dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,.5); border: 0; cursor: pointer; }
.carousel-dots .dot.active { background: #fff; }

/* 通用卡片：用于优势、功能和内容块。 */
.card {
  padding: 28px 24px; background: var(--color-bg-white);
  border-radius: var(--radius-card); border: 1px solid var(--color-border);
  transition: box-shadow .3s ease, transform .3s ease;
}
.card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); transform: translateY(-2px); }
.card h3 { color: var(--color-primary); font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--color-text-muted); font-size: 16px; }
.card-icon { width: 48px; height: 48px; background: var(--color-primary-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; font-size: 22px; }

/* Why 模块：产品页和首页优势列表。 */
.why-head { text-align: center; margin-bottom: 44px; }
.why-head h2 { border-left: none; padding-left: 0; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 40px; }
.why-item { display: grid; grid-template-columns: 48px 1fr; gap: 14px; align-items: start; padding: 12px; border-radius: var(--radius-card); transition: background .3s ease; }
.why-item:hover { background: var(--color-primary-light); }
.why-icon { width: 44px; height: 44px; border: 2px solid var(--color-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--color-primary); font-size: 16px; font-weight: 700; flex-shrink: 0; }
.why-item h3 { font-size: 19px; margin: 0 0 6px; color: var(--color-primary); }
.why-item p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--color-text-muted); }

/* 折叠问答：FAQ 和后台正文 details 元素。 */
details { padding: 8px 0; margin-bottom: 2px; background: var(--color-bg-white); border-bottom: 1px solid var(--color-border); }
details:last-child { border-bottom: none; }
details summary { font-weight: 700; cursor: pointer; color: var(--color-text-main); padding: 10px 0; font-size: 17px; }
details summary:hover { color: var(--color-primary); }
details p { padding: 0 0 14px; color: var(--color-text-muted); font-size: 16px; line-height: 1.7; }
details[open] summary { color: var(--color-primary); }

/* 通用数据表：参数表和后台正文表格。 */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 16px; border: 1px solid var(--color-border); text-align: left; font-size: 16px; }
.data-table th { background: var(--color-primary); color: #fff; font-weight: 700; }
.data-table tr:nth-child(even) td { background: var(--color-primary-light); }

/* 询盘引导块：后台正文可能手写的 lead magnet 区块。 */
.lead-magnet {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff; padding: 48px 36px; border-radius: var(--radius-card);
}
.lead-magnet h2 { color: #fff; border-left-color: #fff; }
.lead-magnet .checklist { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.lead-magnet .checklist li::before { content: "\2713 "; color: #a5d6a7; font-weight: 700; }

/* 通用 CTA 横幅：页面底部询盘转化区。 */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff; padding: 48px 24px; text-align: center; border-radius: var(--radius-card);
}
.cta-banner h2 { color: #fff; border-left: none; padding-left: 0; margin-bottom: 12px; }
.cta-banner p { font-size: 18px; margin-bottom: 24px; opacity: .9; }

/* 流程步骤：服务流程、选型流程和项目流程。 */
.process-step { text-align: center; padding: 20px; }
.process-step .step-num {
  width: 48px; height: 48px; margin: 0 auto 14px;
  background: var(--color-primary); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 20px; font-family: var(--font-heading);
}
.process-step h4 { margin-bottom: 8px; }
.process-step p { font-size: 15px; color: var(--color-text-muted); }

/* 产品卡片网格：归档和首页设备卡。 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: var(--color-bg-white); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); overflow: hidden;
  transition: box-shadow .3s ease;
}
.product-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.product-card img { width: 100%; height: 200px; object-fit: cover; }
.product-card-body { padding: 20px; }
.product-card-body h3 { font-size: 20px; margin-bottom: 8px; }
.product-card-body p { font-size: 15px; color: var(--color-text-muted); margin-bottom: 14px; }

/* 默认模板层：普通归档、默认页面和兜底模板共用的头部、卡片和空状态样式。 */
.default-archive-hero,
.default-page-hero {
  padding: 72px 20px 58px;
  background:
    linear-gradient(135deg, rgba(27, 94, 32, .52), rgba(46, 125, 50, .58)),
    url('https://fertilabono.com/wp-content/uploads/2026/05/5815a39b3c4e49a900a9a5f60904f628-scaled.jpg') center/cover no-repeat;
  color: #fff;
}
.default-archive-shell,
.default-page-shell {
  width: min(100%, 1250px);
  margin: 0 auto;
  padding: 0 20px;
}
.default-archive-kicker,
.default-page-kicker,
.default-archive-label,
.default-card-meta {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
.default-archive-kicker,
.default-page-kicker {
  margin-bottom: 12px;
  color: rgba(255,255,255,.72);
}
.default-archive-hero h1,
.default-page-hero h1 {
  max-width: 900px;
  color: #fff;
  font-size: 52px;
  margin-bottom: 18px;
}
.default-archive-hero p,
.default-page-hero p {
  max-width: 880px;
  color: rgba(255,255,255,.88);
  font-size: 18px;
  line-height: 1.65;
}
.default-archive-section-head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
}
.default-archive-label {
  margin-bottom: 10px;
  color: var(--color-primary);
}
.default-archive-section-head p {
  color: var(--color-text-muted);
}
.default-product-grid {
  align-items: stretch;
}
.default-archive-grid {
  align-items: stretch;
}
.default-product-card,
.default-archive-card,
.default-empty-state,
.default-fallback-item {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}
.default-product-card {
  display: flex;
  flex-direction: column;
}
.default-archive-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.default-product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
}
.default-archive-card-media {
  display: block;
}
.default-archive-card-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.default-archive-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}
.default-card-meta {
  margin-bottom: 10px;
  color: var(--color-primary);
}
.default-product-card-body p:last-of-type {
  margin-bottom: 18px;
}
.default-archive-card-body p:last-of-type {
  margin-bottom: 18px;
}
.default-product-card .btn {
  margin-top: auto;
  align-self: flex-start;
}
.default-archive-card .btn {
  margin-top: auto;
  align-self: flex-start;
}
.default-empty-state {
  padding: 32px 28px;
}
.default-empty-state h2 {
  border-left: none;
  padding-left: 0;
}
.default-empty-state p {
  color: var(--color-text-muted);
}
.default-pagination-wrap {
  margin-top: 32px;
}
.default-page-content {
  max-width: 900px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
}
.default-page-content > * + * {
  margin-top: 18px;
}
.default-page-content p,
.default-page-content li,
.default-page-content blockquote {
  color: var(--color-text-muted);
}
.default-page-content ul,
.default-page-content ol {
  padding-left: 22px;
}
.default-page-content img {
  border-radius: var(--radius-card);
}
.default-page-content table {
  width: 100%;
  border-collapse: collapse;
}
.default-page-content th,
.default-page-content td {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}
.default-page-content th {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.default-page-hero-compact {}
.default-fallback-list {
  display: grid;
  gap: 18px;
}
.default-fallback-item {
  padding: 28px 24px;
}
.default-fallback-item h2 {
  border-left: none;
  padding-left: 0;
  margin-bottom: 10px;
}
.default-fallback-excerpt p {
  color: var(--color-text-muted);
}
.default-fallback-item .btn {
  margin-top: 18px;
}

/* 统计条：用于首页和落地页可信度数据。 */
.stats-bar {
  background: var(--color-primary);
  padding: 40px 0;
}
.stats-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center;
}
.stat-item .stat-num {
  font-family: var(--font-heading); font-size: 44px; font-weight: 800;
  color: #fff; line-height: 1.1;
}
.stat-item .stat-label {
  font-size: 15px; color: rgba(255,255,255,.8); margin-top: 6px;
  text-transform: uppercase; letter-spacing: 1px;
}

/* 设备展示双栏：single-product.php 参数/说明组合。 */
.equipment-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.equipment-showcase ul { list-style: none; padding: 0; }
.equipment-showcase li { padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.equipment-showcase li:last-child { border-bottom: none; }
.equipment-showcase li strong { color: var(--color-primary); }

/* 平板端组件降级：多列布局改为更窄的列数。 */
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .equipment-showcase { grid-template-columns: 1fr; }
  .default-archive-section-head { grid-template-columns: 1fr; }
  .default-archive-hero h1,
  .default-page-hero h1 { font-size: 40px; }
  .hero h1 { font-size: 40px; }
  .hero-full h1 { font-size: 40px; }
  .hero-full p { font-size: 18px; }
  .section { padding: 48px 0; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-num { font-size: 34px; }
}

/* 手机端组件降级：按钮全宽、表格横向滚动、统计区压缩。 */
@media (max-width: 560px) {
  .default-archive-hero,
  .default-page-hero { padding: 48px 16px 40px; }
  .default-archive-shell,
  .default-page-shell { padding: 0 16px; }
  .default-archive-hero h1,
  .default-page-hero h1 { font-size: 32px; }
  .default-archive-hero p,
  .default-page-hero p { font-size: 16px; }
  .hero-full { min-height: 100svh; }
  .hero-full h1 { font-size: 32px; }
  .hero-full p { font-size: 16px; }
  .hero-full .btn { padding: 14px 24px; font-size: 15px; }
  .carousel { max-width: 100%; border-radius: 0; }
  .carousel-btn { padding: 12px 16px; font-size: 18px; min-height: 44px; }
  .data-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card-img { height: 160px; }
  .product-card .btn { width: 100%; }
  .default-product-card .btn { width: 100%; align-self: stretch; }
  .default-archive-card-body { padding: 20px; }
  .default-archive-card .btn { width: 100%; align-self: stretch; }
  .default-empty-state { padding: 24px 20px; }
  .default-page-content { padding: 24px 20px; }
  .default-fallback-item { padding: 24px 20px; }
  .default-fallback-item .btn { width: 100%; }
  .hero { padding: 40px 0 32px; }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 40px 0; }
  .process-step { margin-bottom: 16px; }
  .lead-magnet .checklist { grid-template-columns: 1fr; }
  .lead-magnet { padding: 32px 20px; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 12px; }
  .stats-bar { padding: 24px 0; }
  .stat-num { font-size: 24px; }
  .stat-label { font-size: 12px; white-space: normal; letter-spacing: 0; text-transform: none; overflow-wrap: break-word; }
  .scroll-arrow { bottom: 16px; }
  .scroll-arrow span { width: 18px; height: 18px; }
}