.page-faq {
  --faq-on-deep: #EAF5FC;
  --faq-accent-on-deep: #FFC1AB;
  background: var(--sand);
  color: var(--ink);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 6px;
  font-size: 13px;
  color: var(--mid);
}

.page-faq .breadcrumb a {
  color: var(--sea);
  font-weight: 600;
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.faq-hero {
  display: grid;
  gap: 24px;
  padding: 8px 0 40px;
}

.faq-hero__main {
  min-width: 0;
}

.page-faq .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--coral-deep);
}

.faq-hero__title {
  margin: 0;
  font-size: 30px;
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--deep);
}

.faq-hero__lede {
  margin: 16px 0 0;
  max-width: 33em;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--mid);
}

.faq-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
}

.faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  font-size: 13px;
  font-weight: 600;
  color: var(--deep);
}

.faq-hero__facts b {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--sea);
}

.faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 20px;
}

.faq-hero__jump a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--sea);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 200ms var(--ease);
}

.faq-hero__jump a:hover {
  border-bottom-color: var(--sea);
}

.faq-hero__panel {
  background: var(--deep);
  border-radius: var(--r-lg);
  padding: 22px 20px;
  align-self: start;
}

.faq-hero__panel-t {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--faq-on-deep);
  opacity: 0.72;
}

.faq-hero__row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
}

.faq-hero__row + .faq-hero__row {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.faq-hero__num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  min-width: 2.2ch;
  color: var(--faq-accent-on-deep);
}

.faq-hero__row-d {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--faq-on-deep);
}

/* ---------- 章节通用 ---------- */
.faq-sec {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 88px;
}

.page-faq .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
}

.page-faq .section-head__no {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--coral);
}

.page-faq .section-head__t {
  margin: 0;
  font-size: 23px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.faq-sec__lede {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mid);
}

/* ---------- 01 分类矩阵 ---------- */
.faq-cats {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
}

.faq-cat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--sea);
  border-radius: var(--r-md);
  padding: 14px 16px 16px;
  min-width: 0;
}

.faq-cat:nth-child(4n + 2) {
  border-left-color: var(--grass);
}

.faq-cat:nth-child(4n + 3) {
  border-left-color: var(--coral);
}

.faq-cat:nth-child(4n + 4) {
  border-left-color: var(--deep);
}

.faq-cat__idx {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mid);
}

.faq-cat__name {
  margin: 4px 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--deep);
}

.faq-cat__eg {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mid);
}

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

.page-faq .media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.faq-figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mid);
}

.faq-sec--last .faq-figure {
  display: none;
}

/* ---------- 02 两步流程 ---------- */
.faq-flow {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.faq-flow__stage {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px 18px 22px;
  min-width: 0;
}

.faq-flow__stage--1 {
  border-top: 4px solid var(--sea);
}

.faq-flow__stage--2 {
  border-top: 4px solid var(--grass);
}

.faq-flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--sea);
  color: #FFFFFF;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
}

.faq-flow__stage--2 .faq-flow__num {
  background: var(--grass);
}

.faq-flow__t {
  margin: 14px 0 6px;
  font-size: 18px;
  font-weight: 800;
  color: var(--deep);
}

.faq-flow__d {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mid);
}

.faq-matrix__set {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .chip {
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--sand);
  color: var(--deep);
  cursor: pointer;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .chip:hover {
  border-color: var(--sea);
}

.page-faq .chip.is-on {
  background: var(--grass-soft);
  border-color: var(--grass);
  color: var(--grass-deep);
}

.faq-flow__note {
  margin: 14px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--coral-deep);
}

.faq-field {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.faq-field__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--deep);
}

.page-faq .field-input {
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 15px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--sand);
  color: var(--ink);
}

.page-faq .field-input:focus {
  outline: 2px solid var(--sea);
  outline-offset: 1px;
  border-color: var(--sea);
  background: var(--paper);
}

.faq-freqs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .freq-btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--deep);
  cursor: pointer;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .freq-btn.is-on {
  background: var(--coral-soft);
  border-color: var(--coral);
  color: var(--coral-deep);
}

.faq-submit {
  width: 100%;
}

.faq-flow__msg {
  margin: 12px 0 0;
  font-size: 13.5px;
  font-weight: 600;
  min-height: 1.2em;
  color: var(--mid);
}

.page-faq .faq-flow__msg.is-ok {
  color: var(--grass-deep);
}

.page-faq .faq-flow__msg.is-warn {
  color: var(--coral-deep);
}

/* ---------- 03 反馈路径 ---------- */
.faq-lane {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.faq-lane li {
  position: relative;
  padding: 0 0 22px 30px;
  border-left: 2px solid var(--line);
}

.faq-lane li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.faq-lane li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--grass);
  border: 2px solid var(--sand);
}

.faq-lane__k {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--sea);
}

.faq-lane li p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mid);
}

.faq-lane li p a {
  color: var(--sea);
  font-weight: 600;
}

/* ---------- 04 频率 ---------- */
.faq-freqs {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.faq-freq {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px;
}

.faq-freq__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--coral-soft);
  color: var(--coral-deep);
}

.faq-freq:nth-child(2) .faq-freq__tag {
  background: var(--sky);
  color: var(--deep);
}

.faq-freq:nth-child(3) .faq-freq__tag {
  background: var(--grass-soft);
  color: var(--grass-deep);
}

.faq-freq p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mid);
}

.faq-freq__how {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mid);
}

/* ---------- 05 折叠问答 ---------- */
.faq-q-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.faq-q {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--grass);
  border-radius: var(--r-md);
  padding: 0 16px;
}

.faq-q:hover {
  border-color: var(--sea);
  border-left-color: var(--grass);
}

.faq-q summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 15px 30px 15px 14px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--deep);
}

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

.faq-q summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--sea);
}

.faq-q[open] summary::after {
  content: "−";
}

.faq-q__a {
  padding: 0 8px 16px 14px;
}

.faq-q__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mid);
}

.faq-q__a a {
  color: var(--sea);
  font-weight: 600;
}

/* ---------- 06 指路 ---------- */
.faq-help {
  display: grid;
  gap: 20px;
  margin-top: 20px;
  padding: 22px 20px;
  background: var(--sky);
  border: 1px solid #BEDDF1;
  border-radius: var(--r-lg);
}

.faq-help__text p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: #2B4256;
}

.faq-help__text p:last-child {
  margin-bottom: 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mid);
}

.faq-help__act {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.faq-help__act .btn {
  font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .faq-cats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 760px) {
  .faq-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
    padding: 14px 0 48px;
  }

  .faq-hero__title {
    font-size: 42px;
  }

  .faq-hero__lede {
    font-size: 17px;
  }

  .faq-sec {
    padding: 48px 0;
  }

  .page-faq .section-head__t {
    font-size: 30px;
  }

  .faq-freqs {
    grid-template-columns: repeat(3, 1fr);
  }

  .faq-help {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
    padding: 26px 24px;
  }

  .faq-help__act {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .faq-hero {
    padding: 20px 0 56px;
  }

  .faq-hero__title {
    font-size: 50px;
    max-width: 16em;
  }

  .faq-cats {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .faq-cat:nth-child(1),
  .faq-cat:nth-child(5),
  .faq-cat:nth-child(9),
  .faq-cat:nth-child(12) {
    grid-column: span 2;
  }

  .faq-flow {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .faq-flow__stage + .faq-flow__stage::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 41px;
    width: 34px;
    height: 2px;
    background: linear-gradient(90deg, var(--sea), var(--grass));
  }

  .faq-q summary {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .chip,
  .page-faq .freq-btn,
  .faq-hero__jump a {
    transition: none;
  }
}
<<<END>>>