.page-faq {
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.014) 0 1px, transparent 1px 32px),
    radial-gradient(ellipse 80% 50% at 90% 0%, rgba(212, 168, 67, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(255, 107, 44, 0.04), transparent 50%),
    var(--color-primary);
  min-height: 100vh;
  padding-bottom: 120px;
}

.page-faq img {
  max-width: 100%;
}

/* 面包屑 */
.page-faq .breadcrumb {
  margin-top: 28px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-muted);
}

.page-faq .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb__item a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb__item a:hover,
.page-faq .breadcrumb__item a:focus-visible {
  color: var(--color-orange);
  outline: none;
}

.page-faq .breadcrumb__sep {
  opacity: 0.6;
}

/* 页面头部 */
.page-faq .faq-hero {
  margin: clamp(48px, 8vw, 100px) 0 clamp(32px, 5vw, 56px);
  max-width: 900px;
}

.page-faq .faq-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 720px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-muted);
}

.page-faq .section-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

/* 主布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--color-line);
}

/* 侧边栏 */
.page-faq .faq-sidebar__panel {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.02), transparent 30%),
    var(--color-primary-card);
  border: 1px solid rgba(212, 168, 67, 0.3);
  border-radius: 6px;
  box-shadow:
    inset 0 0 0 1px rgba(7, 21, 41, 0.4),
    8px 8px 0 rgba(7, 21, 41, 0.45);
  padding: 20px;
}

.page-faq .faq-sidebar__visual {
  margin: 0 0 20px;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid rgba(212, 168, 67, 0.3);
}

.page-faq .faq-sidebar__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-index {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 4px;
  border: 1px solid transparent;
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 14px;
  line-height: 1.4;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(212, 168, 67, 0.12);
  border-color: rgba(212, 168, 67, 0.4);
  outline: none;
}

.page-faq .faq-index__link::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-orange);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-index__link:hover::after,
.page-faq .faq-index__link:focus-visible::after {
  opacity: 1;
  transform: translateX(0);
}

.page-faq .faq-index__num {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
  border: 1px solid rgba(212, 168, 67, 0.4);
  border-radius: 3px;
  padding: 2px 6px;
  background: rgba(7, 21, 41, 0.5);
}

.page-faq .faq-index__text {
  flex: 1;
  font-weight: 500;
}

.page-faq .faq-layout:has(#faq-nav:target) .faq-index__link--nav,
.page-faq .faq-layout:has(#faq-ios:target) .faq-index__link--ios,
.page-faq .faq-layout:has(#faq-history:target) .faq-index__link--history,
.page-faq .faq-layout:has(#faq-rules:target) .faq-index__link--rules,
.page-faq .faq-layout:has(#faq-contact:target) .faq-index__link--contact {
  background: rgba(212, 168, 67, 0.18);
  border-color: rgba(212, 168, 67, 0.7);
  color: var(--color-gold-light);
}

/* 主内容区 */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  margin-bottom: clamp(56px, 7vw, 80px);
  scroll-margin-top: 24px;
}

.page-faq .faq-section .section-header {
  margin-bottom: 24px;
}

.page-faq .faq-section .section-title {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.2;
  color: var(--color-text);
}

.page-faq .faq-section .section-subtitle {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-faq .faq-section:target .section-header {
  border-left: 3px solid var(--color-orange);
  padding-left: 16px;
}

/* 手风琴列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-item {
  margin: 0;
  background: linear-gradient(135deg, var(--color-primary-card), var(--color-primary));
  border: 1px solid rgba(212, 168, 67, 0.22);
  border-left: 3px solid var(--color-gold);
  border-radius: 4px;
  box-shadow:
    3px 3px 0 rgba(7, 21, 41, 0.4),
    6px 6px 0 rgba(7, 21, 41, 0.25);
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--color-orange);
  box-shadow:
    4px 4px 0 rgba(7, 21, 41, 0.5),
    8px 8px 0 rgba(7, 21, 41, 0.3);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  border-radius: 4px;
  transition: background-color 0.2s var(--ease);
}

.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__summary:hover {
  background: rgba(212, 168, 67, 0.06);
}

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: -2px;
}

.page-faq .faq-item__number {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gold);
  border: 1px solid rgba(212, 168, 67, 0.35);
  border-radius: 3px;
  padding: 2px 8px;
  background: rgba(7, 21, 41, 0.5);
}

.page-faq .faq-item__question {
  flex: 1;
  min-width: 0;
  font-family: var(--font-head);
  font-size: 15px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--color-text);
}

.page-faq .faq-item__icon {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-gold);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__icon::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 10px;
  transition: height 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(90deg);
  background: rgba(212, 168, 67, 0.15);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  height: 2px;
}

.page-faq .faq-item__answer {
  padding: 0 18px 20px;
  border-top: 1px dashed rgba(212, 168, 67, 0.18);
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.035) 1px, transparent 0);
  background-size: 24px 24px;
}

.page-faq .faq-item__answer p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-muted);
}

/* 联系人工支持 */
.page-faq .faq-contact {
  display: grid;
  gap: 28px;
  padding: clamp(24px, 4vw, 40px);
  background: linear-gradient(150deg, rgba(19, 43, 82, 0.9), rgba(7, 21, 41, 0.95));
  border: 1px solid rgba(212, 168, 67, 0.3);
  border-radius: 8px;
  box-shadow: 8px 8px 0 rgba(7, 21, 41, 0.5);
  scroll-margin-top: 24px;
}

.page-faq .faq-contact__heading {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.3;
  color: var(--color-text);
}

.page-faq .faq-contact__text > p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  background: rgba(10, 30, 61, 0.5);
  border: 1px solid rgba(212, 168, 67, 0.2);
  border-radius: 4px;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  word-break: break-all;
  text-align: right;
}

.page-faq .faq-contact__visual {
  margin: 0;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid rgba(212, 168, 67, 0.25);
}

.page-faq .faq-contact__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 延伸导航 */
.page-faq .faq-context {
  margin-top: 32px;
  padding: 20px;
  background: rgba(19, 43, 82, 0.4);
  border-left: 3px solid var(--color-orange);
  border-radius: 0 4px 4px 0;
}

.page-faq .faq-context p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-faq .faq-context a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-context a:hover,
.page-faq .faq-context a:focus-visible {
  color: var(--color-orange);
  outline: none;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 4px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .btn--primary {
  background: var(--color-gold);
  color: var(--color-primary);
  border: 1px solid var(--color-gold);
}

.page-faq .btn--primary:hover,
.page-faq .btn--primary:focus-visible {
  background: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-primary);
  outline: none;
  box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
  transform: translateY(-1px);
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-faq .faq-item__answer {
    padding: 4px 20px 22px 56px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 80px);
    margin-top: 48px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 32px;
  }

  .page-faq .faq-main {
    padding-left: 28px;
    border-left: 1px solid rgba(212, 168, 67, 0.16);
  }

  .page-faq .faq-sidebar__visual img {
    max-height: 220px;
    object-fit: cover;
  }
}

/* 移动端：侧栏压缩为双向卡片 */
@media (max-width: 959px) {
  .page-faq .faq-sidebar__visual {
    margin-bottom: 16px;
  }

  .page-faq .faq-sidebar__visual img {
    width: 100%;
    height: clamp(160px, 30vw, 220px);
    object-fit: cover;
    object-position: center;
  }

  .page-faq .faq-index {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .page-faq .faq-index__link {
    padding: 8px 10px;
    font-size: 13px;
  }

  .page-faq .faq-index__link::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-contact__list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-faq .faq-contact__value {
    text-align: left;
  }
}