.page-faq {
  --faq-glow-a: rgba(127, 196, 232, 0.18);
  --faq-glow-b: rgba(216, 38, 44, 0.13);
  --faq-panel: rgba(18, 42, 74, 0.62);
  --faq-panel-strong: rgba(9, 23, 41, 0.72);
  --faq-sticky-top: 96px;

  background: var(--navy);
  color: var(--ice-soft);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 64px;
  background:
    radial-gradient(120% 82% at 6% -12%, var(--faq-glow-a), transparent 60%),
    radial-gradient(88% 72% at 102% 2%, var(--faq-glow-b), transparent 62%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  margin-top: 26px;
  align-items: center;
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 6.6vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ice-soft);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-frame {
  position: relative;
  background: linear-gradient(158deg, var(--navy-2) 0%, var(--navy-3) 100%);
  border: 1px solid var(--line-strong);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  overflow: hidden;
}

.page-faq .faq-frame::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--ice), transparent 72%);
  z-index: 2;
}

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

.page-faq .faq-frame--soft {
  background: linear-gradient(158deg, rgba(127, 196, 232, 0.10), var(--navy-3));
}

.page-faq .faq-frame--soft::before {
  background: linear-gradient(180deg, var(--maple-soft), transparent 72%);
}

.page-faq .faq-figcap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
  letter-spacing: 0.01em;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  padding: 48px 0 88px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
}

.page-faq .faq-main {
  display: grid;
  gap: 68px;
  min-width: 0;
}

/* ---------- 左侧路径轴 ---------- */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__item {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--faq-panel);
  color: var(--gray);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-rail__no {
  font-size: 12px;
  font-weight: 500;
  color: var(--ice);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--line-strong);
  color: var(--ice-soft);
}

.page-faq .faq-rail__link.is-active {
  border-color: rgba(216, 38, 44, 0.55);
  background: rgba(216, 38, 44, 0.14);
  color: #fff;
}

.page-faq .faq-rail__link.is-active .faq-rail__no {
  color: var(--maple-soft);
}

/* ---------- 章节标题组 ---------- */
.page-faq .faq-section {
  min-width: 0;
}

.page-faq .faq-section .section__head {
  max-width: 66ch;
}

.page-faq .faq-section .section__title {
  color: #fff;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-section .section__lead {
  color: var(--gray);
  line-height: 1.85;
}

.page-faq .faq-section .section__no {
  color: var(--maple-soft);
  letter-spacing: 0.16em;
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 22px 20px 22px 22px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transition: border-color 0.24s ease, background 0.24s ease;
}

.page-faq .faq-step:hover {
  border-color: var(--line-strong);
  background: var(--faq-panel-strong);
}

.page-faq .faq-step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  font-size: 19px;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(135deg, rgba(216, 38, 44, 0.36), rgba(216, 38, 44, 0.08));
  border: 1px solid rgba(216, 38, 44, 0.45);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  letter-spacing: 0.01em;
}

.page-faq .faq-step__text {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gray);
}

.page-faq .faq-step__cond {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ice-soft);
}

/* ---------- 展开条目 ---------- */
.page-faq .faq-items {
  margin-top: 28px;
}

.page-faq .faq-item {
  background: var(--faq-panel);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transition: border-color 0.22s ease, background 0.22s ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  border-color: var(--line-strong);
  background: var(--faq-panel-strong);
}

.page-faq .faq-item__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__head:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--ice);
  letter-spacing: 0.06em;
}

.page-faq .faq-item__q {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: #fff;
}

.page-faq .faq-item__arrow {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-left: auto;
  border-right: 2px solid var(--ice);
  border-bottom: 2px solid var(--ice);
  transform: rotate(45deg);
  transition: transform 0.24s ease;
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(-135deg);
}

.page-faq .faq-item__body {
  padding: 2px 20px 20px;
  border-top: 1px solid var(--line);
  margin-top: 2px;
}

.page-faq .faq-item__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray);
}

.page-faq .faq-inline-figure {
  margin: 30px 0 0;
}

/* ---------- 表格 ---------- */
.page-faq .faq-table-wrap {
  margin-top: 28px;
  border: 1px solid var(--line);
  background: var(--faq-panel-strong);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-table th {
  padding: 14px 16px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-head);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ice);
  background: rgba(18, 42, 74, 0.92);
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-table td {
  padding: 14px 16px;
  vertical-align: top;
  line-height: 1.72;
  color: var(--gray);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .faq-table--zebra tbody tr:nth-child(even) {
  background: rgba(127, 196, 232, 0.05);
}

.page-faq .faq-table td .mono {
  color: var(--ice-soft);
  font-size: 13.5px;
}

/* ---------- 状态图例 ---------- */
.page-faq .faq-legend {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-legend li {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
}

.page-faq .faq-dot--green {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(63, 155, 122, 0.16);
}

.page-faq .faq-dot--amber {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 179, 27, 0.16);
}

.page-faq .faq-dot--maple {
  background: var(--maple);
  box-shadow: 0 0 0 4px rgba(216, 38, 44, 0.16);
}

/* ---------- 双通道卡片 ---------- */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-faq .faq-channel {
  padding: 22px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ice);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-faq .faq-channel--log {
  border-left-color: var(--maple);
}

.page-faq .faq-channel--sum {
  border-left-color: var(--amber);
}

.page-faq .faq-channel .label {
  color: var(--ice);
}

.page-faq .faq-channel__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
}

.page-faq .faq-channel p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-faq .faq-contact__card {
  padding: 24px 22px;
  background: var(--faq-panel);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-faq .faq-contact__card--amber {
  background: linear-gradient(165deg, rgba(245, 179, 27, 0.12), var(--faq-panel-strong));
  border-color: rgba(245, 179, 27, 0.38);
}

.page-faq .faq-contact__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: #fff;
}

.page-faq .faq-contact__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-faq .faq-contact__hint {
  margin: 16px 0 0;
  font-size: 13.5px;
  color: var(--ice);
}

.page-faq .faq-template {
  margin: 10px 0 0;
  padding: 16px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ice-soft);
  background: var(--navy-3);
  border: 1px dashed var(--line-strong);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-faq .faq-contact__list {
  margin: 14px 0 0;
  padding: 0;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: none;
}

.page-faq .faq-contact__row dt {
  flex: 0 0 auto;
  min-width: 74px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ice);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ice-soft);
  word-break: break-word;
}

.page-faq .faq-contact__card--amber .btn {
  margin-top: 18px;
}

.page-faq .faq-tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .faq-tail__link {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-tail__link:hover,
.page-faq .faq-tail__link:focus-visible {
  color: var(--ice-soft);
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 52px 0 72px;
  }

  .page-faq .faq-step {
    grid-template-columns: 56px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
    padding: 24px 26px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-channel--sum {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面：常驻路径轴 + 内容区 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 54px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-rail__title {
    margin-bottom: 14px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 6px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail__link {
    border-radius: 0;
    border-left: 2px solid var(--line);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
    padding: 10px 14px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--line-strong);
  }

  .page-faq .faq-rail__link.is-active {
    border-left-color: var(--maple);
    background: linear-gradient(90deg, rgba(216, 38, 44, 0.16), transparent 88%);
  }

  .page-faq .faq-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-channel--sum {
    grid-column: auto;
  }

  .page-faq .faq-hero__actions .btn {
    min-width: 168px;
    justify-content: center;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 64px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-item__arrow,
  .page-faq .faq-rail__link {
    transition: none;
  }
}
<<<END>>>