.page-faq {
  --faq-radius: 24px;
  --faq-hair: rgba(31, 109, 110, .28);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .breadcrumbs {
  padding: 20px 0 4px;
  font-size: 13px;
  color: var(--muted);
}
.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .breadcrumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--muted);
}
.page-faq .breadcrumbs__list a {
  color: var(--mid);
  text-decoration: none;
}
.page-faq .breadcrumbs__list a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hero {
  background:
    radial-gradient(120% 130% at 88% 0%, rgba(232, 106, 51, .14) 0%, rgba(232, 106, 51, 0) 55%),
    linear-gradient(180deg, var(--cream) 0%, var(--cream) 68%, var(--mist) 100%);
  border-bottom: 1px solid var(--faq-hair);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
}
.page-faq .faq-hero__lead h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 8vw, 40px);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-faq .faq-hero__text {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--deep-2);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-faq .faq-hero__side {
  align-self: start;
  padding: 22px 22px 20px;
  border-radius: var(--faq-radius);
  background: var(--deep);
  color: var(--mist);
  box-shadow: var(--shadow-1);
  border-left: 4px solid var(--accent);
}
.page-faq .faq-hero__side-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-soft);
}
.page-faq .faq-hero__side-time {
  margin: 8px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}
.page-faq .faq-hero__side-note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .faq-hero__side-list {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(217, 229, 229, .22);
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14px;
}
.page-faq .faq-hero__side-list .mono {
  color: var(--accent);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 快捷问题胶囊 ---------- */
.page-faq .faq-jump {
  padding-top: 20px;
  padding-bottom: 8px;
}
.page-faq .faq-jump__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 4px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-jump__list li {
  flex: 0 0 auto;
}
.page-faq .faq-jump .chip {
  display: inline-block;
  padding: 11px 20px;
  border-radius: var(--pill);
  border: 1px solid var(--faq-hair);
  background: var(--cream);
  color: var(--deep-2);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-faq .faq-jump .chip:hover {
  background: var(--deep);
  color: #fff;
  transform: translateY(-2px);
}
.page-faq .faq-jump .chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- 章节标题 ---------- */
.page-faq .section-head__title {
  scroll-margin-top: 96px;
}

/* ---------- 三步走 ---------- */
.page-faq .faq-step-band {
  background: var(--cream);
}
.page-faq .faq-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-hair);
}
.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 4px 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--faq-hair);
}
.page-faq .faq-steps__item:hover .faq-steps__no {
  color: var(--accent);
}
.page-faq .faq-steps__no {
  grid-row: span 2;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}
.page-faq .faq-steps__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}
.page-faq .faq-steps__item p {
  margin: 8px 0 0;
  grid-column: 2;
  font-size: 15px;
  line-height: 1.72;
  color: var(--deep-2);
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-acc {
  margin-top: 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--faq-hair);
  background: var(--cream);
  padding: 0 18px;
  transition: box-shadow var(--dur) var(--ease);
}
.page-faq .faq-acc[open] {
  box-shadow: var(--shadow-1);
}
.page-faq .faq-acc > summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 30px 16px 0;
  position: relative;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--deep-2);
  line-height: 1.6;
}
.page-faq .faq-acc > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-acc > summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--accent);
}
.page-faq .faq-acc[open] > summary::after {
  content: "−";
}
.page-faq .faq-acc > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
.page-faq .faq-acc .disclosure__body {
  padding: 0 0 18px;
  border-top: 1px dashed var(--faq-hair);
  padding-top: 14px;
}
.page-faq .faq-acc .disclosure__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--deep-2);
}

/* ---------- 归档章节 ---------- */
.page-faq .faq-archive {
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}
.page-faq .faq-split {
  display: grid;
  gap: 30px;
}
.page-faq .faq-split__main .prose {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--deep-2);
}
.page-faq .faq-path {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-faq .faq-path__item {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--deep-2);
}
.page-faq .faq-path__dot {
  position: absolute;
  left: 4px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.page-faq .faq-path__item strong {
  color: var(--ink);
  font-weight: 800;
  margin-right: 6px;
}
.page-faq .faq-inline-link {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-hair);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}
.page-faq .faq-split__media {
  margin: 0;
}
.page-faq .faq-split__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 对照章节 ---------- */
.page-faq .faq-compare {
  background: var(--cream);
}
.page-faq .faq-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.page-faq .faq-tabs .tab {
  appearance: none;
  border: 1px solid var(--faq-hair);
  background: transparent;
  color: var(--deep-2);
  padding: 10px 20px;
  border-radius: var(--pill);
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-faq .faq-tabs .tab[aria-selected="true"] {
  background: var(--deep);
  border-color: var(--deep);
  color: #fff;
}
.page-faq .faq-tabs .tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.page-faq .faq-tabpanel {
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--faq-hair);
  padding: 6px 6px 2px;
}
.page-faq .faq-tabpanel .data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.page-faq .faq-tabpanel .data-table caption {
  padding: 14px 14px 6px;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
}
.page-faq .faq-tabpanel .data-table th,
.page-faq .faq-tabpanel .data-table td {
  padding: 13px 14px;
  text-align: left;
  border-bottom: 1px solid var(--faq-hair);
  vertical-align: top;
  line-height: 1.6;
}
.page-faq .faq-tabpanel .data-table thead th {
  background: var(--mist);
  color: var(--deep);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
}
.page-faq .faq-tabpanel .data-table tbody tr:hover {
  background: rgba(217, 229, 229, .34);
}
.page-faq .faq-compare-list {
  margin: 8px 0;
  padding: 0 8px;
  list-style: none;
}
.page-faq .faq-notes {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}
.page-faq .faq-note {
  padding: 20px;
  border-radius: var(--r-md);
  background: var(--mist);
  border: 1px solid transparent;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-faq .faq-note:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}
.page-faq .faq-note .card__index {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--accent);
}
.page-faq .faq-note .card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}
.page-faq .faq-note .card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--deep-2);
}

/* ---------- 平板章节 ---------- */
.page-faq .faq-tablet {
  background: var(--deep);
  color: var(--mist);
}
.page-faq .faq-tablet .section-head__title {
  color: #fff;
}
.page-faq .faq-tablet .section-head__note {
  color: var(--mist);
}
.page-faq .faq-tablet .media-frame {
  margin: 0;
}
.page-faq .faq-tablet .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-tips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-faq .faq-tips li {
  position: relative;
  padding: 14px 16px 14px 18px;
  border-radius: var(--r-sm);
  background: rgba(217, 229, 229, .1);
  border-left: 3px solid var(--accent);
  font-size: 14.5px;
  line-height: 1.72;
}
.page-faq .faq-tips strong {
  display: block;
  color: #fff;
  font-weight: 800;
  margin-bottom: 4px;
}
.page-faq .faq-acc--dark {
  background: rgba(217, 229, 229, .08);
  border-color: rgba(217, 229, 229, .28);
}
.page-faq .faq-acc--dark > summary {
  color: #fff;
}
.page-faq .faq-acc--dark .disclosure__body {
  border-top-color: rgba(217, 229, 229, .28);
}
.page-faq .faq-acc--dark .disclosure__body p {
  color: var(--mist);
}

/* ---------- 三级栏目章节 ---------- */
.page-faq .faq-levels {
  background: var(--cream);
}
.page-faq .faq-levels__grid {
  display: grid;
  gap: 26px;
}
.page-faq .faq-levels__figure {
  padding: 16px;
  border-radius: var(--faq-radius);
  background: var(--deep);
  overflow-x: auto;
}
.page-faq .faq-tree {
  display: block;
  width: 100%;
  min-width: 440px;
  height: auto;
}
.page-faq .faq-tree__line {
  stroke: var(--mid);
  stroke-width: 2;
  fill: none;
}
.page-faq .faq-tree__node--l1 {
  fill: var(--accent);
}
.page-faq .faq-tree__node--l2 {
  fill: var(--mid);
}
.page-faq .faq-tree__node--l3 {
  fill: var(--mist);
}
.page-faq .faq-tree__label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  fill: #fff;
}
.page-faq .faq-tree__node--l3 + .faq-tree__label,
.page-faq .faq-tree__node--l3 ~ .faq-tree__label {
  fill: var(--deep);
}
.page-faq .faq-tree__date {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  fill: var(--accent-soft);
}
.page-faq .faq-levels__notes {
  display: grid;
  gap: 12px;
}
.page-faq .faq-levels__note {
  padding: 16px 0 16px 18px;
  border-left: 2px solid var(--faq-hair);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--deep-2);
}
.page-faq .faq-levels__note .card__index {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mid);
}
.page-faq .faq-levels__note--accent {
  border-left-color: var(--accent);
}
.page-faq .faq-levels__note--accent .card__index {
  color: var(--accent);
}

/* ---------- 账号章节 ---------- */
.page-faq .faq-account {
  background: #fff;
}
.page-faq .faq-account__grid {
  display: grid;
  gap: 18px;
  margin-bottom: 6px;
}
.page-faq .faq-plan {
  padding: 24px;
  border-radius: var(--faq-radius);
  background: var(--mist);
  border: 1px solid transparent;
}
.page-faq .faq-plan.card--accent {
  background: var(--deep);
  color: var(--mist);
}
.page-faq .faq-plan.card--accent .card__title {
  color: #fff;
}
.page-faq .faq-plan .card__index {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mid);
}
.page-faq .faq-plan.card--accent .card__index {
  color: var(--accent);
}
.page-faq .faq-plan .card__title {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}
.page-faq .faq-plan__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}
.page-faq .faq-plan__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
}
.page-faq .faq-plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.page-faq .faq-plan.card--accent .faq-plan__list li::before {
  background: var(--accent-soft);
}
.page-faq .faq-plan__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(217, 229, 229, .3);
  font-size: 14px;
}
.page-faq .faq-plan.card--accent .link-accent {
  color: var(--accent-soft);
}

/* ---------- 故障排查 ---------- */
.page-faq .faq-trouble {
  border-top: 1px solid var(--faq-hair);
}
.page-faq .faq-trouble__grid {
  display: grid;
  gap: 12px;
}
.page-faq .faq-acc--flat {
  margin-top: 0;
  background: #fff;
}
.page-faq .faq-acc--flat > summary {
  font-weight: 700;
}

/* ---------- 底部行动 ---------- */
.page-faq .faq-help {
  background: linear-gradient(100deg, var(--cream) 0%, var(--mist) 100%);
  border-top: 1px solid var(--faq-hair);
}
.page-faq .faq-help__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}
.page-faq .faq-help__title {
  margin: 8px 0 12px;
  font-size: clamp(24px, 6vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--ink);
}
.page-faq .faq-help__text p {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--deep-2);
}
.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.5fr .9fr;
    gap: 36px;
    align-items: start;
  }
  .page-faq .faq-hero__lead h1 {
    font-size: clamp(38px, 5.2vw, 52px);
  }
  .page-faq .faq-notes {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-faq .faq-trouble__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-account__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-levels__notes {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 22px;
  }
  .page-faq .faq-help__inner {
    grid-template-columns: 1.4fr .9fr;
  }
  .page-faq .faq-help__actions {
    justify-content: flex-end;
  }
  .page-faq .faq-acc > summary {
    font-size: 16px;
    padding: 18px 34px 18px 0;
  }
  .page-faq .faq-tips {
    gap: 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1020px) {
  .page-faq .faq-split {
    grid-template-columns: 1.55fr .85fr;
    gap: 44px;
    align-items: start;
  }
  .page-faq .faq-split--flip {
    grid-template-columns: .85fr 1.55fr;
  }
  .page-faq .faq-split--flip .faq-split__media {
    order: 0;
  }
  .page-faq .faq-split--flip .faq-split__main {
    order: 1;
  }
  .page-faq .faq-levels__grid {
    grid-template-columns: 1.15fr 1fr;
    gap: 40px;
    align-items: start;
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
    border-top: 0;
    gap: 0 30px;
  }
  .page-faq .faq-steps__item {
    grid-template-columns: 1fr;
    grid-row: auto;
    border-bottom: 0;
    border-top: 2px solid var(--deep);
    padding-top: 18px;
  }
  .page-faq .faq-steps__no {
    grid-row: auto;
    font-size: 34px;
    margin-bottom: 8px;
  }
  .page-faq .faq-steps__item p {
    grid-column: auto;
  }
  .page-faq .faq-trouble__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }
  .page-faq .faq-jump .chip:hover,
  .page-faq .faq-note:hover {
    transform: none;
  }
}