.page-faq {
  --faq-tick: 30px;
  --faq-line: rgba(30, 92, 122, 0.45);
  --faq-line-soft: rgba(30, 92, 122, 0.22);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 40px;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(22, 200, 216, 0.14), transparent 62%),
    linear-gradient(180deg, #061426 0%, #0a1b2f 100%);
  border-bottom: 1px solid var(--c-steel);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    97deg,
    rgba(30, 92, 122, 0.34) 0 1px,
    transparent 1px 72px
  );
  pointer-events: none;
}

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

.page-faq .faq-hero__trace {
  position: absolute;
  right: -60px;
  top: 28%;
  width: 300px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-cyan));
  transform: rotate(-9deg);
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--f-display);
  font-size: var(--t-14);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--f-display);
  font-size: var(--t-64);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--c-paper);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-family: var(--f-body);
  font-size: var(--t-17);
  line-height: 1.75;
  color: var(--c-muted);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stat {
  padding: 14px 16px;
  background: rgba(12, 33, 56, 0.82);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--c-cyan);
  clip-path: var(--cut-tr);
}

.page-faq .faq-hero__stat:last-child {
  grid-column: 1 / -1;
  border-left-color: var(--c-orange);
}

.page-faq .faq-hero__num {
  display: block;
  font-size: var(--t-30);
  line-height: 1;
  color: var(--c-cyan);
}

.page-faq .faq-hero__stat:last-child .faq-hero__num {
  color: var(--c-orange);
}

.page-faq .faq-hero__lbl {
  display: block;
  margin-top: 8px;
  font-size: var(--t-14);
  line-height: 1.5;
  color: var(--c-muted);
}

/* ---------- 章节骨架 ---------- */

.page-faq .faq-sec {
  padding: 44px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-sec--band {
  background: linear-gradient(180deg, rgba(20, 58, 92, 0.42), rgba(6, 20, 38, 0));
}

.page-faq .faq-sec--last {
  border-bottom: 0;
  padding-bottom: 56px;
}

.page-faq .faq-sec .sec-head {
  margin-bottom: 26px;
}

/* ---------- 三步路径 ---------- */

.page-faq .faq-steps {
  display: grid;
  gap: 0;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 26px 50px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-cyan), rgba(30, 92, 122, 0.2));
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  background: var(--c-panel);
  border: 1px solid var(--c-cyan);
  clip-path: var(--cut-both);
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--f-editorial);
  font-size: var(--t-22);
  font-weight: 400;
  line-height: 1.35;
  color: var(--c-paper);
}

.page-faq .faq-step__text {
  margin: 0;
  max-width: 56ch;
  font-size: var(--t-17);
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 图片容器 ---------- */

.page-faq .faq-figure {
  margin: 0;
  aspect-ratio: auto;
  border: 1px solid var(--faq-line);
  background: var(--c-panel);
}

.page-faq .faq-figure img {
  display: block;
  position: static;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure--narrow {
  margin: 6px 0 26px;
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-item {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: var(--faq-tick) minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: background var(--ease);
}

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

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

.page-faq .faq-item__num {
  display: block;
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

.page-faq .faq-item__q {
  margin: 0;
  font-family: var(--f-body);
  font-size: var(--t-17);
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-paper);
}

.page-faq .faq-item__chev {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(45deg);
  transition: transform var(--ease), border-color var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(-135deg);
  border-color: var(--c-orange);
}

.page-faq .faq-item__head:hover .faq-item__q {
  color: var(--c-cyan-soft);
}

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

.page-faq .faq-item__ans {
  display: grid;
  grid-template-columns: var(--faq-tick) minmax(0, 1fr);
  gap: 0 12px;
  padding-bottom: 20px;
}

.page-faq .faq-item__ans > * {
  grid-column: 2;
}

.page-faq .faq-item__ans p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: var(--t-17);
  line-height: 1.78;
  color: var(--c-muted);
}

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

/* ---------- 筛选标签示意图 ---------- */

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
  padding: 16px 18px;
  list-style: none;
  background: rgba(12, 33, 56, 0.7);
  border: 1px dashed var(--c-steel);
  border-radius: 0;
}

.page-faq .faq-chip {
  padding: 6px 16px;
  font-family: var(--f-display);
  font-size: var(--t-14);
  letter-spacing: 0.08em;
  color: var(--c-paper);
  background: var(--c-band);
  border: 1px solid var(--c-cyan);
  border-radius: 999px;
}

.page-faq .faq-chip:nth-child(even) {
  border-color: var(--c-orange);
  color: var(--c-orange-soft);
}

/* ---------- 提示带 ---------- */

.page-faq .faq-cue {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 26px 0 0;
  padding: 16px 20px;
  background: linear-gradient(99deg, rgba(255, 106, 31, 0.18), rgba(22, 200, 216, 0.14));
  border-left: 3px solid var(--c-orange);
  clip-path: var(--cut-tr);
}

.page-faq .faq-cue--cyan {
  border-left-color: var(--c-cyan);
  background: linear-gradient(99deg, rgba(22, 200, 216, 0.18), rgba(255, 106, 31, 0.1));
}

.page-faq .faq-cue__text {
  margin: 0;
  flex: 1 1 240px;
  max-width: 56ch;
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--c-paper);
}

.page-faq .faq-cue .btn {
  flex: 0 0 auto;
}

/* ---------- 末段联系 ---------- */

.page-faq .faq-help {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

.page-faq .faq-help__card {
  padding: 20px;
  background: rgba(12, 33, 56, 0.85);
  border: 1px solid var(--faq-line);
  border-top: 2px solid var(--c-cyan);
  clip-path: var(--cut-both);
}

.page-faq .faq-help__card:last-child {
  border-top-color: var(--c-orange);
}

.page-faq .faq-help__key {
  margin: 0 0 10px;
  font-family: var(--f-display);
  font-size: var(--t-14);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-faq .faq-help__val {
  margin: 0 0 10px;
  font-size: var(--t-22);
  line-height: 1.3;
  color: var(--c-cyan);
  word-break: break-all;
}

.page-faq .faq-help__list {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  position: relative;
  padding: 0 0 8px 18px;
  font-size: var(--t-17);
  line-height: 1.7;
  color: var(--c-paper);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--c-orange);
}

.page-faq .faq-help__note {
  margin: 0;
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-help__foot {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: var(--t-17);
  line-height: 1.78;
  color: var(--c-muted);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 窄屏到宽屏 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 56px 0 56px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 38px;
  }

  .page-faq .faq-hero__stat:last-child {
    grid-column: auto;
  }

  .page-faq .faq-sec {
    padding: 62px 0;
  }

  .page-faq .faq-sec--last {
    padding-bottom: 76px;
  }

  .page-faq .faq-sec .sec-head {
    margin-bottom: 34px;
  }

  .page-faq .faq-help {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-cue {
    padding: 18px 26px;
  }
}

@media (min-width: 880px) {
  .page-faq {
    --faq-tick: 52px;
  }

  .page-faq .faq-hero h1 {
    max-width: 16ch;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-bottom: 40px;
  }

  .page-faq .faq-step {
    padding: 0 32px 0 0;
  }

  .page-faq .faq-step__num {
    position: static;
    margin-bottom: 16px;
  }

  .page-faq .faq-step::before {
    left: 40px;
    right: 22px;
    top: 15px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--c-cyan), rgba(22, 200, 216, 0.18));
  }

  .page-faq .faq-step:last-child::before {
    display: none;
  }

  .page-faq .faq-item__head {
    gap: 20px;
    padding: 22px 0;
  }

  .page-faq .faq-item__ans {
    gap: 0 20px;
    padding-bottom: 26px;
  }

  .page-faq .faq-item__q {
    font-size: var(--t-22);
  }

  .page-faq .faq-figure--narrow {
    max-width: 76%;
  }
}
<<<END>>>