/* ===== 问题排查页 ===== */
.page-faq {
  --faq-rail: 224px;
  --faq-pad: clamp(16px, 3.4vw, 40px);
}

/* 首屏 */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--teal);
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: clamp(44px, 6vw, 80px);
}

.page-faq .faq-hero .breadcrumb {
  color: var(--line);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--line);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  color: var(--track);
  border-bottom-color: var(--track);
}

.page-faq .faq-hero .eyebrow {
  color: var(--track);
  letter-spacing: .22em;
}

.page-faq .faq-hero__title {
  margin: 18px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 78px);
  line-height: 1.08;
  letter-spacing: .02em;
  color: var(--ice);
}

.page-faq .faq-hero__lead {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: 60ch;
  color: var(--line);
  font-size: clamp(15px, 1.6vw, 17px);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: clamp(30px, 4.4vw, 48px) 0 0;
  padding: clamp(18px, 2.4vw, 26px) 0 0;
  list-style: none;
  border-top: 1px solid var(--teal);
}

.page-faq .faq-hero__jump a {
  color: var(--ice);
  text-decoration: none;
  font-size: 15px;
  letter-spacing: .06em;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease;
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  color: var(--track);
  border-bottom-color: var(--track);
}

/* 主体两栏骨架 */
.page-faq .faq-body-section {
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(48px, 7vw, 92px);
}

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

/* 分类导航 */
.page-faq .faq-nav__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--mist);
}

.page-faq .faq-nav__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-nav__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  white-space: nowrap;
  border: 1px solid var(--line);
  color: var(--deep);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: .02em;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-faq .faq-nav__list a .num {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .1em;
}

.page-faq .faq-nav__list a:hover,
.page-faq .faq-nav__list a:focus-visible {
  border-color: var(--green);
  color: var(--green);
}

.page-faq .faq-nav__list a:hover .num,
.page-faq .faq-nav__list a:focus-visible .num {
  color: var(--green);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: clamp(80px, 12vh, 140px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 76px);
}

.page-faq .faq-group__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.6vw, 42px);
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--deep);
}

.page-faq .faq-group__intro {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 64ch;
  color: var(--mist);
  line-height: 1.85;
}

.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

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

/* 问题条目 */
.page-faq .qa-stack {
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(12px, 2vw, 24px);
  align-items: start;
  padding: clamp(18px, 2.4vw, 26px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--track);
  outline-offset: 4px;
}

.page-faq .qa__no {
  padding-top: 5px;
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--mist);
  transition: color .18s ease;
}

.page-faq .qa__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 23px);
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--ink);
  transition: color .18s ease;
}

.page-faq .qa__q::after {
  content: "";
  width: 11px;
  height: 11px;
  margin-top: 9px;
  background: var(--mist);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transition: transform .24s ease, background-color .24s ease;
}

.page-faq .qa[open] .qa__no {
  color: var(--green);
}

.page-faq .qa[open] .qa__text {
  color: var(--deep);
}

.page-faq .qa[open] .qa__q::after {
  background: var(--green);
  transform: rotate(180deg);
}

.page-faq .qa__a {
  max-width: 70ch;
  padding: 0 0 clamp(20px, 2.6vw, 28px) clamp(24px, 4vw, 56px);
}

.page-faq .qa__a p {
  margin: 0 0 12px;
  color: var(--mist);
  line-height: 1.85;
}

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

@keyframes faq-slide-in {
  from {
    opacity: 0;
    transform: translateX(-18px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.page-faq .qa[open] .qa__a {
  animation: faq-slide-in .34s cubic-bezier(.2, .7, .3, 1) both;
}

/* 分隔提示 */
.page-faq .faq-rule {
  margin: clamp(38px, 5vw, 64px) 0 0;
  padding: 16px 0 0 18px;
  border-top: 1px solid var(--line);
  border-left: 2px solid var(--track);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-rule a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--green);
}

.page-faq .faq-rule a:hover,
.page-faq .faq-rule a:focus-visible {
  color: var(--deep);
  border-bottom-color: var(--deep);
}

/* 人工通道 */
.page-faq .faq-contact {
  border-top: 1px solid var(--teal);
}

.page-faq .faq-contact .eyebrow {
  color: var(--track);
  letter-spacing: .22em;
}

.page-faq .faq-contact__title {
  margin: 16px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: .02em;
  color: var(--ice);
}

.page-faq .faq-contact__lead {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 62ch;
  color: var(--line);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-contact__item {
  padding-top: 16px;
  border-top: 1px solid var(--teal);
}

.page-faq .faq-contact__label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--track);
}

.page-faq .faq-contact__value {
  display: block;
  font-size: clamp(16px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--ice);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: clamp(24px, 3vw, 34px) 0 0;
  max-width: 66ch;
  color: var(--line);
  line-height: 1.85;
}

.page-faq .faq-contact__cta {
  margin: clamp(24px, 3vw, 34px) 0 0;
}

/* 固定浮标 */
.page-faq .faq-float {
  position: fixed;
  right: clamp(12px, 3vw, 32px);
  bottom: clamp(12px, 3vw, 32px);
  z-index: 30;
  padding: 11px 18px;
  border: 1px solid var(--track);
  background: rgba(6, 31, 30, .88);
  color: var(--track);
  font-size: 14px;
  letter-spacing: .1em;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}

.page-faq .faq-float:hover,
.page-faq .faq-float:focus-visible {
  background: var(--track);
  color: var(--ink);
}

/* 桌面端 */
@media (min-width: 720px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  }

  .page-faq .faq-nav {
    position: sticky;
    top: clamp(120px, 18vh, 170px);
    align-self: start;
  }

  .page-faq .faq-nav__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-nav__list a {
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 11px 0 11px 16px;
    color: var(--mist);
    background: none;
  }

  .page-faq .faq-nav__list a .num {
    color: var(--line);
  }

  .page-faq .faq-nav__list a:hover,
  .page-faq .faq-nav__list a:focus-visible {
    border-left-color: var(--track);
    color: var(--deep);
  }

  .page-faq .faq-nav__list a:hover .num,
  .page-faq .faq-nav__list a:focus-visible .num {
    color: var(--green);
  }

  .page-faq .faq-group__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: clamp(28px, 3.4vw, 48px);
    align-items: start;
  }

  .page-faq .faq-figure--aside {
    margin-bottom: 0;
    position: sticky;
    top: clamp(120px, 18vh, 170px);
  }
}

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

  .page-faq .qa__q::after,
  .page-faq .qa__no,
  .page-faq .qa__text,
  .page-faq .faq-nav__list a,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-float {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>