.page-faq {
  --faq-rail: minmax(0, 3fr);
  --faq-body: minmax(0, 8fr);
  color: var(--paper);
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 34%, var(--bg-0) 100%);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(128deg, rgba(27, 127, 168, 0.26) 0%, rgba(11, 16, 38, 0.9) 46%, rgba(5, 7, 13, 0.96) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -38%;
  right: -14%;
  width: min(58%, 520px);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(242, 106, 46, 0.3), rgba(242, 106, 46, 0) 66%);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  max-width: 14em;
}

.page-faq .faq-hero__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 34em;
}

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

.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding-top: clamp(28px, 5vw, 54px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

/* 左侧目录 */
.page-faq .faq-toc {
  align-self: start;
  padding: 16px 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--glass);
}

.page-faq .faq-toc__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-toc__list {
  display: grid;
  gap: 2px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--paper-dim);
  font-size: 0.9375rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-toc__link .mono {
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--paper);
  background: rgba(27, 127, 168, 0.2);
}

.page-faq .faq-toc__link.is-active {
  color: var(--paper);
  background: rgba(242, 106, 46, 0.16);
  box-shadow: inset 2px 0 0 var(--sunset);
}

.page-faq .faq-toc__link.is-active .mono {
  color: var(--gold);
}

.page-faq .faq-toc__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--gold);
  font-size: 0.875rem;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-toc__back:hover,
.page-faq .faq-toc__back:focus-visible {
  color: var(--paper);
  background: rgba(201, 151, 74, 0.18);
}

/* 右侧问答主体 */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-block {
  padding-bottom: clamp(30px, 5vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block + .faq-block {
  padding-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-block--last {
  border-bottom: none;
  padding-bottom: 0;
}

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: clamp(16px, 2.5vw, 24px);
}

.page-faq .faq-block__index {
  display: inline-block;
  padding: 3px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-faq .faq-block__head .section-title {
  flex: 1 1 100%;
  margin: 0;
}

.page-faq .faq-block__intro {
  flex: 1 1 100%;
  margin: 0;
  max-width: 44em;
  color: var(--paper-dim);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* 分类标签 */
.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(16px, 2.5vw, 22px);
}

.page-faq .faq-tags .tag {
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

/* 档案卡手风琴 */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(152deg, rgba(27, 127, 168, 0.1), rgba(11, 16, 38, 0.76) 62%);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), background 0.32s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-faq .faq-item.is-open {
  border-color: var(--line-strong);
  background: linear-gradient(152deg, rgba(201, 151, 74, 0.13), rgba(11, 16, 38, 0.88) 64%);
}

.page-faq .faq-trigger {
  display: block;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  background: none;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 0.25s var(--ease);
}

.page-faq .faq-trigger:hover,
.page-faq .faq-trigger:focus-visible {
  color: var(--gold);
}

.page-faq .faq-panel {
  padding: 0 16px 16px;
}

.page-faq .faq-panel p {
  margin: 0 0 10px;
  max-width: 42em;
  color: var(--paper-dim);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-faq .faq-panel p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-panel__note {
  padding: 8px 0 8px 14px;
  border-left: 2px solid var(--gold);
  color: var(--paper) !important;
  font-size: 0.875rem !important;
}

/* 图示 */
.page-faq .faq-figure {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-faq .faq-figure .media-frame__caption {
  margin-top: 10px;
  color: var(--mist);
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* 联系方式块 */
.page-faq .faq-mail {
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(16px, 3vw, 22px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, rgba(201, 151, 74, 0.16), rgba(11, 16, 38, 0.86) 72%);
}

.page-faq .faq-mail__label {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-mail__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-mail__value {
  font-size: 1rem;
  letter-spacing: 0.03em;
  word-break: break-all;
}

.page-faq .faq-mail .copy-status {
  margin: 8px 0 0;
  min-height: 1em;
  color: var(--cyan);
  font-size: 0.8125rem;
}

.page-faq .faq-mail__template {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-template {
  margin: 0;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(5, 7, 13, 0.6);
  color: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-faq .faq-support__links {
  margin: 20px 0 0;
  color: var(--mist);
  font-size: 0.875rem;
  line-height: 1.9;
}

.page-faq .faq-support__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 211, 232, 0.4);
}

.page-faq .faq-support__links a:hover,
.page-faq .faq-support__links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* 平板及以上：左右分置 */
@media (min-width: 780px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-faq .faq-trigger {
    padding: 17px 20px;
    font-size: 1.0625rem;
  }

  .page-faq .faq-panel {
    padding: 0 20px 18px;
  }
}

/* 桌面：窄目录 + 宽内容 */
@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) var(--faq-body);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding: 20px 16px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-trigger,
  .page-faq .faq-toc__link,
  .page-faq .faq-toc__back {
    transition: none;
  }

  .page-faq .faq-item:hover {
    transform: none;
  }
}
<<<END>>>