/* ==========================================
   华体会体育 · 支持中心（page-faq）
   ========================================== */
.page-faq {
  --faq-index-width: 250px;
  --faq-gap: clamp(1.5rem, 3.5vw, 2.75rem);
  --faq-radius: 14px;
  background: var(--color-bg);
  overflow-x: hidden;
}

/* --- 首屏框景增强 --- */
.page-faq .page-hero {
  position: relative;
}

.page-faq__hero-inner {
  position: relative;
  z-index: 1;
}

.page-faq__hero-frame {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.5);
}

.page-faq__hero-lead {
  max-width: 34em;
  margin: 0.5rem 0 0;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
}

.page-faq__hero-stripes {
  display: none;
}

/* --- 搜索面板 --- */
.page-faq__search {
  padding-top: 1.5rem;
  padding-bottom: 0.25rem;
}

.page-faq__search-panel {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 12px;
  box-shadow: 0 12px 28px -20px rgba(10, 36, 99, 0.25);
}

.page-faq__search-panel input[type="search"] {
  min-width: 0;
  flex: 1 1 240px;
  padding: 0.7rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq__search-panel input[type="search"]::placeholder {
  color: var(--color-text-muted);
  opacity: 0.85;
}

.page-faq__search-panel input[type="search"]:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.page-faq__search-hint {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* --- 双栏布局 --- */
.page-faq__layout {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

/* --- 问题索引 --- */
.page-faq__index {
  padding: 1.25rem 1.25rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--faq-radius);
  box-shadow: 0 12px 30px -22px rgba(10, 36, 99, 0.3);
}

.page-faq__index-head {
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.page-faq__index-title {
  margin: 0.25rem 0 0;
  font-family: var(--font-headline);
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--color-primary);
}

.page-faq__index-desc {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.page-faq__index-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq__index-list li + li {
  border-top: 1px dashed var(--color-border);
}

.page-faq__index-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.25rem;
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease, background 0.2s ease;
}

.page-faq__index-list a:hover,
.page-faq__index-list a:focus-visible {
  padding-left: 0.75rem;
  color: var(--color-accent);
  border-radius: 6px;
  outline: none;
}

.page-faq__index-num {
  min-width: 2em;
  font-family: var(--font-headline);
  font-size: 0.9rem;
  color: var(--color-accent);
}

/* --- 内容列 --- */
.page-faq__content {
  min-width: 0;
}

.page-faq__cover {
  margin-bottom: var(--faq-gap);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 40px -26px rgba(10, 36, 99, 0.35);
}

.page-faq__cover img,
.page-faq__device-panel img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* --- 章节分组 --- */
.page-faq__group {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.page-faq__group:first-of-type {
  margin-top: 0;
}

.page-faq__group .chapter {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-faq__group .chapter__num {
  flex-shrink: 0;
}

.page-faq__chapter-head {
  min-width: 0;
}

.page-faq__chapter-head .chapter__label {
  margin: 0;
}

.page-faq__chapter-head .chapter__en {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

/* --- 折叠手风琴 --- */
.page-faq__item {
  margin-bottom: 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 18px -16px rgba(10, 36, 99, 0.18);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq__item[open] {
  border-color: var(--color-accent-light);
  box-shadow: 0 16px 30px -22px rgba(255, 107, 53, 0.4);
}

.page-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.25rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-primary);
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-faq__item summary::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--color-accent);
  background: var(--color-bg);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.page-faq__item[open] > summary::after {
  content: "–";
  color: var(--color-surface);
  background: var(--color-accent);
  transform: rotate(180deg);
}

.page-faq__item summary:hover,
.page-faq__item summary:focus-visible {
  background: rgba(255, 107, 53, 0.05);
  outline: none;
}

/* --- 答案区 --- */
.page-faq__answer {
  padding: 0.25rem 1.25rem 1.25rem;
}

.page-faq__answer p {
  margin: 0 0 0.75rem;
  line-height: 1.75;
  color: var(--color-text);
}

.page-faq__answer ul {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.page-faq__answer li {
  margin-bottom: 0.25rem;
  line-height: 1.65;
  color: var(--color-text);
}

.page-faq__answer a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq__answer a:hover {
  color: var(--color-accent);
  text-decoration-thickness: 2px;
}

/* --- 平板设备图面板 --- */
.page-faq__device-panel {
  margin-bottom: 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 14px 32px -24px rgba(10, 36, 99, 0.35);
}

/* --- 联系横幅 --- */
.page-faq__contact-banner {
  margin-top: clamp(2.5rem, 6vw, 4rem);
}

.page-faq__contact-card {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--color-primary);
  border-left: 6px solid var(--color-accent);
  border-radius: 18px;
  overflow: hidden;
}

.page-faq__contact-card::before {
  content: "";
  position: absolute;
  top: -2rem;
  right: -1.5rem;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.22) 0%, transparent 70%);
  pointer-events: none;
}

.page-faq__contact-info {
  position: relative;
  z-index: 1;
  flex: 1 1 300px;
}

.page-faq__contact-info .kicker {
  color: var(--color-accent-light);
}

.page-faq__contact-info h2 {
  margin: 0.25rem 0 0.75rem;
  font-family: var(--font-headline);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.3;
  color: var(--color-surface);
}

.page-faq__contact-info p {
  margin: 0.25rem 0;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
}

.page-faq__contact-note {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-faq__contact-action {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* --- 桌面端双栏与增强 --- */
@media (min-width: 900px) {
  .page-faq__layout {
    grid-template-columns: var(--faq-index-width) minmax(0, 1fr);
  }

  .page-faq__index {
    position: sticky;
    top: calc(var(--header-height) + 20px);
  }

  .page-faq__search-panel {
    flex-wrap: nowrap;
  }

  .page-faq__hero-stripes {
    display: block;
    position: absolute;
    right: 0;
    bottom: 0;
    width: 36%;
    height: 10px;
    opacity: 0.45;
  }
}