/* ========================================
   YOYAGE Reusable Components
   Purpose: cross-page components
   (spec tags, FAQ accordion, CTA band,
    inner-page hero & breadcrumb, fact rows,
    explore cards, support cards & resource
    banner, ...)
   Loaded on every page after layout.css
   ======================================== */

/* ---------- 1. Spec Tag ---------- */
.spec-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  background-color: var(--color-tag-bg);
  border-radius: var(--radius-tag);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

/* ---------- 1b. Product Badge ---------- */
.product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-white);
  border-radius: var(--radius-tag);
}

.product-badge--manual {
  background-color: var(--color-brand);
}

.product-badge--electric {
  background-color: var(--color-title);
}

.product-badge--pneumatic {
  background-color: var(--color-text);
}

.product-badge--3way {
  background-color: var(--color-brand-dark);
}

/* ---------- 2. FAQ Accordion ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
}

/* 全站 FAQ 数字圆标：每个 .faq-list 组内从 01 自动编号 */
.faq-list {
  counter-reset: faq-num;
}

.faq-question {
  counter-increment: faq-num;
}

.faq-question::before {
  content: counter(faq-num, decimal-leading-zero);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-brand);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 20px;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-title);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-brand);
}

.faq-question-text {
  flex: 1 1 auto;
  line-height: 1.45;
}

.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-brand);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background-color: currentColor;
  transition: transform 0.2s ease;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.faq-item.is-open .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 500px;
}

.faq-answer > p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: var(--fs-body);
  color: var(--color-text);
  line-height: 1.6;
}

/* ---------- 3. CTA Band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-brand-dark) 0%, var(--color-brand) 100%);
  text-align: center;
}

.cta-content {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.cta-title {
  font-size: var(--fs-h2);
  color: var(--color-white);
  margin-bottom: 14px;
}

.cta-text {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-cta-primary {
  background-color: var(--color-white);
  color: var(--color-brand);
  border: 2px solid var(--color-white);
}

.btn-cta-primary:hover {
  background-color: transparent;
  color: var(--color-white);
}

.btn-cta-outline {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn-cta-outline:hover {
  background-color: var(--color-white);
  color: var(--color-brand);
  border-color: var(--color-white);
}

/* ---------- 4. Page Hero (inner pages) ---------- */
.page-hero {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
}

.page-hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-hero);
  pointer-events: none;
}

.page-hero-container {
  position: relative;
  z-index: 1;
}

.page-hero-content {
  max-width: 720px;
  padding-top: 96px;
  padding-bottom: 96px;
  color: var(--color-white);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--fs-small);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb-separator {
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb-current {
  color: var(--color-white);
  font-weight: 600;
}

.page-hero-title {
  color: var(--color-white);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-hero-subtitle {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  max-width: 560px;
  margin-bottom: 28px;
}

.page-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  background-color: rgba(0, 100, 124, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-tag);
  font-size: var(--fs-tag);
  font-weight: 600;
  color: var(--color-white);
  white-space: nowrap;
}

/* ---------- 5. Fact Rows (label + spec-tag groups) ---------- */
.story-facts {
  margin-top: 28px;
}

.story-fact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.story-fact:last-child {
  border-bottom: none;
}

.story-fact-label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.story-fact-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

/* ---------- 6. Explore Cards (inner-page cross links) ---------- */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.explore-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.explore-card:hover {
  box-shadow: var(--shadow-lg);
}

.explore-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.explore-card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

/* About 卡竖图（2:3）在 16:10 容器中下移 25px，避免构图裁切过高 */
.explore-card-media img.explore-card-img--about {
  object-position: center calc(50% + 25px);
}

.explore-card:hover .explore-card-media img {
  transform: scale(1.05);
}

.explore-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
}

.explore-card-icon {
  display: inline-flex;
  width: 36px;
  height: 36px;
  color: var(--color-brand);
  margin-bottom: 14px;
}

.explore-card-icon svg {
  width: 100%;
  height: 100%;
}

.explore-card-title {
  font-size: var(--fs-h3);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.explore-card:hover .explore-card-title {
  color: var(--color-brand);
}

.explore-card-desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.explore-card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--color-brand);
}

.explore-card-link .link-arrow {
  transition: transform var(--transition-fast);
}

.explore-card:hover .link-arrow {
  transform: translateX(4px);
}

/* ---------- 7. Support Cards & Resource Banner ---------- */
/* 与 /service/、/faq/ 页面共用的支持矩阵与资源跳转横幅 */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.support-card {
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.support-card:hover {
  box-shadow: var(--shadow-lg);
}

.support-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-button);
  background-color: var(--color-tag-bg);
  color: var(--color-brand);
  transition: color var(--transition-fast);
}

.support-card:hover .support-card-icon {
  color: var(--color-brand-dark);
}

.support-card-title {
  font-size: var(--fs-h3);
  margin-top: 16px;
  margin-bottom: 10px;
}

.support-card-desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* 全站跳转链接：品牌色、600 字重、下划线 */
.text-link {
  color: var(--color-brand);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.text-link:hover {
  color: var(--color-brand-dark);
}

.support-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}

/* 资源横幅：品牌渐变浅版 CTA */
.resource-banner {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  border-radius: var(--radius-card);
  background: linear-gradient(120deg, var(--color-brand-dark) 0%, var(--color-brand) 100%);
}

.resource-banner-text {
  color: var(--color-white);
  font-weight: 600;
  line-height: 1.5;
}

.resource-banner-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  color: var(--color-white);
  font-size: var(--fs-small);
  font-weight: 700;
  white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.resource-link:hover {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-brand);
}

/* ---------- 8. Responsive ---------- */
@media (max-width: 991px) {
  .explore-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .faq-list {
    gap: 10px;
  }

  .faq-question {
    padding: 16px;
  }

  .faq-answer > p {
    padding: 0 16px 16px;
  }

  .cta-title {
    margin-bottom: 12px;
  }

  .cta-text {
    margin-bottom: 24px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-hero {
    min-height: auto;
  }

  .page-hero-content {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .breadcrumb {
    margin-bottom: 16px;
  }

  .page-hero-subtitle {
    margin-bottom: 20px;
  }

  .page-hero-tag {
    white-space: normal;
  }

  .story-fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .story-fact-tags {
    justify-content: flex-start;
  }

  .explore-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .explore-card-body {
    padding: 20px;
  }

  .explore-card-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 10px;
  }

  .support-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .support-card {
    padding: 22px;
  }

  .support-card-icon {
    width: 42px;
    height: 42px;
  }

  .support-card-title {
    margin-top: 14px;
    margin-bottom: 8px;
  }

  .resource-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    padding: 24px 20px;
  }

  .resource-banner-links {
    flex-direction: column;
  }

  .resource-link {
    justify-content: center;
  }
}