.page-faq {
  --faq-panel: var(--color-bg-panel);
  --faq-grid-line: rgba(0, 229, 255, 0.05);
  padding-bottom: 64px;
  background:
    radial-gradient(circle at 88% 2%, rgba(138, 43, 226, 0.07), transparent 34%),
    radial-gradient(circle at 4% 58%, rgba(0, 229, 255, 0.04), transparent 26%);
}

/* ===== 帮助中心 Hero ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-line-dim);
  margin-bottom: 28px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

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

.page-faq .faq-hero__body {
  padding: 24px 0 6px;
}

.page-faq .faq-hero__code {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.page-faq .faq-hero__code::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--color-cyan);
}

.page-faq .faq-hero__title {
  position: relative;
  display: inline-block;
  margin: 0 0 18px;
  padding-bottom: 6px;
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 4.4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.page-faq .faq-hero__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--color-accent), rgba(0, 255, 157, 0.08) 72%, transparent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-faq .faq-hero__lead {
  max-width: 680px;
  margin: 0 0 22px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* ===== 搜索框 ===== */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 560px;
  margin-bottom: 8px;
  padding: 10px 14px;
  background: rgba(2, 12, 27, 0.6);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-accent);
  transition: border-color var(--trans), box-shadow var(--trans);
}

.page-faq .faq-search:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 255, 157, 0.12);
}

.page-faq .faq-search__prompt {
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
}

.page-faq .faq-search__icon {
  flex: 0 0 auto;
  color: var(--color-text-muted);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--color-text);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(136, 146, 176, 0.7);
}

.page-faq .faq-search__count {
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid var(--color-line-dim);
  font-family: var(--font-body);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.page-faq .faq-search__hint {
  margin: 0 0 4px;
  font-family: var(--font-body);
  font-size: 0.625rem;
  color: var(--color-text-muted);
}

@media (max-width: 480px) {
  .page-faq .faq-search__count {
    display: none;
  }
}

/* ===== Hero 图片 ===== */
.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--color-line-dim);
  background: rgba(2, 12, 27, 0.4);
}

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

.page-faq .faq-hero__caption,
.page-faq .faq-side__caption {
  margin: 0;
  padding: 6px 10px;
  font-family: var(--font-body);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  background: rgba(2, 12, 27, 0.55);
  border-top: 1px solid var(--color-line-dim);
}

/* ===== 双栏布局 ===== */
.page-faq .faq-layout {
  display: block;
}

.page-faq .faq-main {
  min-width: 0;
}

/* ===== 问题分组 ===== */
.page-faq .faq-group {
  margin-bottom: 36px;
  scroll-margin-top: calc(var(--header-h) + var(--header-top-h) + 20px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
  padding: 4px 0 10px 16px;
  border-left: 3px solid var(--color-cyan);
}

.page-faq .faq-group__index {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.page-faq .faq-group__meta {
  margin-left: auto;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.page-faq .faq-group--cyan .faq-group__head { border-left-color: var(--color-cyan); }
.page-faq .faq-group--cyan .faq-group__index { color: var(--color-cyan); }
.page-faq .faq-group--green .faq-group__head { border-left-color: var(--color-accent); }
.page-faq .faq-group--green .faq-group__index { color: var(--color-accent); }
.page-faq .faq-group--gold .faq-group__head { border-left-color: var(--color-gold); }
.page-faq .faq-group--gold .faq-group__index { color: var(--color-gold); }
.page-faq .faq-group--violet .faq-group__head { border-left-color: var(--color-violet); }
.page-faq .faq-group--violet .faq-group__index { color: var(--color-violet); }

/* ===== 手风琴条目 ===== */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .faq-item {
  background: rgba(15, 37, 66, 0.32);
  border: 1px solid var(--color-line-dim);
  transition: border-color var(--trans), background var(--trans), box-shadow var(--trans);
}

.page-faq .faq-item:hover,
.page-faq .faq-item:focus-within {
  border-color: var(--color-line);
  background: rgba(15, 37, 66, 0.58);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 4px 24px rgba(2, 12, 27, 0.35);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

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

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

.page-faq .faq-item__num {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid var(--color-line-dim);
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-cyan);
}

.page-faq .faq-group--cyan .faq-item__num { color: var(--color-cyan); }
.page-faq .faq-group--green .faq-item__num { color: var(--color-accent); }
.page-faq .faq-group--gold .faq-item__num { color: var(--color-gold); }
.page-faq .faq-group--violet .faq-item__num { color: var(--color-violet); }

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-title);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--color-text);
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--color-text-muted);
  transition: transform var(--trans), color var(--trans);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.page-faq .faq-item__a {
  margin: 0 10px 10px;
  padding: 14px 16px 16px;
  background: linear-gradient(145deg, #142b4c, #0f2542);
  border: 1px solid rgba(0, 229, 255, 0.12);
  border-top: none;
  box-shadow: inset 0 1px 0 rgba(204, 214, 246, 0.06);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* ===== 更多答案 CTA ===== */
.page-faq .faq-more {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
  padding: 20px;
  background: radial-gradient(circle at 8% 20%, rgba(0, 255, 157, 0.07), transparent 46%);
  border: 1px solid var(--color-line);
}

.page-faq .faq-more::after {
  content: "SUPPORT";
  position: absolute;
  right: 12px;
  top: 8px;
  font-family: var(--font-body);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  color: rgba(136, 146, 176, 0.4);
}

.page-faq .faq-more__title {
  margin: 0;
  font-family: var(--font-title);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-faq .faq-more__desc {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.page-faq .faq-more__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 侧栏 ===== */
.page-faq .faq-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 44px;
}

.page-faq .faq-side__card {
  position: relative;
  padding: 18px;
  background: rgba(15, 37, 66, 0.45);
  border: 1px solid var(--color-line-dim);
}

.page-faq .faq-side__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-faq .faq-side__index {
  padding: 2px 6px;
  border: 1px solid rgba(0, 255, 157, 0.35);
  font-family: var(--font-body);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

/* 侧栏分组索引 */
.page-faq .faq-side__navlist {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side__navlist a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(2, 12, 27, 0.3);
  border-left: 2px solid transparent;
  font-family: var(--font-title);
  font-size: 0.875rem;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--trans), background var(--trans), color var(--trans);
}

.page-faq .faq-side__navlist a:hover {
  border-left-color: var(--color-accent);
  background: rgba(0, 255, 157, 0.06);
  color: var(--color-accent);
}

.page-faq .faq-side__navlist a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.page-faq .faq-side__navnum {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

/* 操作速查步骤 */
.page-faq .faq-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(2, 12, 27, 0.3);
  border: 1px solid transparent;
  transition: border-color var(--trans), background var(--trans);
}

.page-faq .faq-steps__item:hover {
  border-color: rgba(212, 175, 55, 0.2);
  background: rgba(2, 12, 27, 0.5);
}

.page-faq .faq-steps__num {
  flex: 0 0 auto;
  padding: 2px 6px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--color-gold);
}

.page-faq .faq-steps__text {
  font-family: var(--font-body);
  font-size: 0.75rem;
  line-height: 1.65;
  color: var(--color-text);
}

.page-faq .faq-side__hint {
  margin: 0 0 12px;
  padding-left: 2px;
  font-family: var(--font-body);
  font-size: 0.625rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.page-faq .faq-side__figure {
  margin: 0;
  border: 1px solid var(--color-line-dim);
  background: rgba(2, 12, 27, 0.4);
}

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

/* 运行状态 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  background: rgba(2, 12, 27, 0.35);
  border: 1px solid var(--color-line-dim);
  text-align: center;
}

.page-faq .faq-stats__num {
  font-family: var(--font-title);
  font-size: 1.375rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-gold);
}

.page-faq .faq-stats__label {
  font-family: var(--font-body);
  font-size: 0.625rem;
  color: var(--color-text-muted);
}

.page-faq .faq-side__note {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--color-line-dim);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* 直接联系 */
.page-faq .faq-side__contactline {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--color-text);
  overflow-wrap: break-word;
}

.page-faq .faq-side__contactline:last-of-type {
  margin-bottom: 14px;
  color: var(--color-text-muted);
}

/* ===== 相关内容 ===== */
.page-faq .faq-rel {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line-dim);
}

.page-faq .faq-rel .data-card {
  display: block;
  padding: 20px;
  text-decoration: none;
}

.page-faq .faq-rel .data-card__title {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-faq .faq-rel .data-card__desc {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 36px;
    align-items: start;
    padding-bottom: 28px;
  }

  .page-faq .faq-hero__body {
    padding-top: 28px;
  }

  .page-faq .faq-hero__media {
    margin-top: 28px;
  }

  .page-faq .faq-hero__img {
    height: 220px;
    object-fit: cover;
  }

  .page-faq .faq-more {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + var(--header-top-h) + 20px);
    margin-top: 0;
  }
}