.page-faq {
  --faq-radius: 2px;
  background: var(--sea-900);
  color: var(--foam);
  font-family: var(--font-body);
  padding-top: calc(var(--header-h) + clamp(24px, 4vw, 48px));
  padding-bottom: clamp(56px, 8vw, 112px);
  overflow-x: hidden;
}

.page-faq * {
  box-sizing: border-box;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 32px);
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--mist-400);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--hairline);
}

.page-faq .breadcrumb a {
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--foam);
  border-color: var(--lava-500);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--foam);
}

/* 首屏 */
.page-faq .faq-hero {
  max-width: 100%;
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 246, 248, 0.82);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  font-stretch: 90%;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--foam);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__chips li {
  padding: 8px 14px;
  border: 1px solid var(--glass-line);
  background: var(--glass);
  border-radius: var(--faq-radius);
  font-size: 14px;
  color: var(--mist-400);
}

/* 目录 + 问答区 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  margin-top: clamp(32px, 5vw, 56px);
}

.page-faq .faq-aside {
  align-self: start;
}

.page-faq .faq-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist-400);
}

.page-faq .faq-aside__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-aside__list li {
  flex: 0 0 auto;
}

.page-faq .faq-aside__list a {
  display: block;
  padding: 10px 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--faq-radius);
  font-size: 15px;
  color: rgba(242, 246, 248, 0.86);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
}

.page-faq .faq-aside__list a:hover,
.page-faq .faq-aside__list a:focus-visible {
  border-color: var(--lava-500);
  color: var(--foam);
  background: var(--glass);
}

.page-faq .faq-aside__card {
  display: none;
}

/* 问答分组 */
.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 3vw, 36px);
  min-width: 0;
}

.page-faq .faq-group {
  padding: clamp(20px, 3vw, 32px);
  background: var(--sea-700);
  border: 1px solid var(--glass-line);
  border-radius: var(--faq-radius);
  clip-path: polygon(14px 0, 100% 0, 100% 100%, 0 100%, 0 14px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.page-faq .faq-group__no {
  font-size: 13px;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--foam);
}

.page-faq .faq-group__head::after {
  content: "";
  flex: 1 1 auto;
  min-width: 24px;
  height: 2px;
  align-self: center;
  margin-left: 4px;
  background: linear-gradient(90deg, var(--tide-400), var(--palm-500));
  transform: skewY(-6deg);
  opacity: 0.55;
}

/* 手风琴 */
.page-faq .qa {
  border-top: 1px solid var(--hairline);
}

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 34px 16px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 15px;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--lava-500);
  transition: color 200ms var(--ease), transform 240ms var(--ease);
}

.page-faq .qa[open] summary::after {
  content: "−";
  color: var(--lava-300);
}

.page-faq .qa summary:hover .qa__q,
.page-faq .qa summary:focus-visible .qa__q {
  color: var(--tide-400);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--lava-300);
  outline-offset: 3px;
}

.page-faq .qa__no {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--amber);
}

.page-faq .qa__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--foam);
  transition: color 200ms var(--ease);
}

.page-faq .qa__a {
  position: relative;
  padding: 0 4px 18px 40px;
  animation: faq-answer-in 320ms var(--ease) both;
}

.page-faq .qa__a::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  width: 2px;
  height: calc(100% - 26px);
  background: linear-gradient(180deg, var(--lava-500), var(--tide-400));
  transform: rotate(12deg);
  transform-origin: top left;
  opacity: 0.8;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(242, 246, 248, 0.82);
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 插图 */
.page-faq .faq-figure {
  margin: 22px 0 0;
  padding: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--glass-line);
  border-radius: var(--faq-radius);
  background: var(--sea-500);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* 未解决窄条 */
.page-faq .faq-unsolved {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(22px, 3vw, 32px);
  background: linear-gradient(120deg, var(--sea-700) 0%, var(--sea-500) 100%);
  border-left: 3px solid var(--lava-500);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-unsolved__text h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 24px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--foam);
}

.page-faq .faq-unsolved__text p {
  margin: 0 0 8px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 246, 248, 0.82);
}

.page-faq .faq-unsolved__lines {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-top: 12px;
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--amber);
}

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

.page-faq .faq-footnote {
  margin: clamp(24px, 3vw, 32px) 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-faq .faq-footnote a {
  color: var(--foam);
  text-decoration: none;
  border-bottom: 1px solid var(--lava-500);
  transition: color 200ms var(--ease);
}

.page-faq .faq-footnote a:hover,
.page-faq .faq-footnote a:focus-visible {
  color: var(--lava-300);
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .faq-unsolved {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-unsolved__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 64px);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-aside__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-aside__list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-aside__list a {
    padding: 10px 0 10px 16px;
    border: 0;
    border-left: 2px solid var(--hairline);
    border-radius: 0;
    white-space: normal;
    color: var(--mist-400);
  }

  .page-faq .faq-aside__list a:hover,
  .page-faq .faq-aside__list a:focus-visible {
    border-left-color: var(--lava-500);
    background: transparent;
    color: var(--foam);
  }

  .page-faq .faq-aside__card {
    display: block;
    margin-top: 24px;
    padding: 16px 18px;
    border: 1px solid var(--glass-line);
    background: var(--glass);
    border-radius: var(--faq-radius);
  }

  .page-faq .faq-aside__card p {
    margin: 0 0 8px;
    font-size: 14px;
    color: var(--mist-400);
  }

  .page-faq .faq-aside__card a {
    font-size: 15px;
    font-weight: 600;
    color: var(--lava-500);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 200ms var(--ease), border-color 200ms var(--ease);
  }

  .page-faq .faq-aside__card a:hover,
  .page-faq .faq-aside__card a:focus-visible {
    color: var(--lava-300);
    border-color: var(--lava-300);
  }

  .page-faq .faq-group--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    column-gap: 32px;
    align-items: start;
  }

  .page-faq .faq-group--split .faq-group__head {
    grid-column: 1 / -1;
  }

  .page-faq .faq-figure--side {
    margin-top: 4px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group--split {
    grid-template-columns: minmax(0, 1fr) 340px;
    column-gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

  .page-faq .qa summary::after,
  .page-faq .qa__q,
  .page-faq .faq-aside__list a,
  .page-faq .breadcrumb a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>