.page-faq {
  --faq-hair: rgba(30, 92, 122, 0.62);
  --faq-gap: clamp(26px, 4vw, 54px);
  background: var(--deep-sea);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: var(--space-l);
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

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

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4vw, 52px) 0 var(--space-m);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 78px);
  line-height: 1.04;
  letter-spacing: 0.03em;
  color: #ffffff;
}

.page-faq .faq-hero__intro {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-faq .faq-hero__aside {
  border-top: 1px dashed var(--faq-hair);
  padding-top: 20px;
}

.page-faq .faq-hero__aside-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .jump {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
}

.page-faq .jump a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 2px;
  border-bottom: 1px dashed var(--faq-hair);
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .jump a:hover,
.page-faq .jump a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-faq .jump__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 288px;
    align-items: end;
  }

  .page-faq .faq-hero__aside {
    border-top: 0;
    border-left: 1px solid var(--faq-hair);
    padding: 0 0 6px 26px;
  }
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-section {
  padding: var(--space-m) 0 0;
}

.page-faq .faq-section--tight {
  padding-top: var(--space-s);
}

.page-faq .sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-faq .sec-head h2,
.page-faq .paper__head h2,
.page-faq .next-strip h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.2vw, 42px);
  line-height: 1.14;
  letter-spacing: 0.03em;
  color: #ffffff;
}

.page-faq .sec-head p {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 动线图 ---------- */
.page-faq .flow-line {
  display: none;
}

.page-faq .flow-line path {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-dasharray: 9 11;
  opacity: 0.6;
}

.page-faq .flow-line circle {
  fill: var(--deep-sea);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-faq .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .flow-step {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--chart);
  border: 1px solid var(--faq-hair);
  border-top: 2px solid var(--tide);
}

.page-faq .flow-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--cyan);
  line-height: 1;
}

.page-faq .flow-step h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .flow-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fog);
}

.page-faq .flow-step__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--tide);
}

.page-faq .flow-step__link:hover,
.page-faq .flow-step__link:focus-visible {
  border-bottom-color: var(--cyan);
}

@media (min-width: 820px) {
  .page-faq .flow-line {
    display: block;
    width: 100%;
    height: 70px;
    margin-bottom: -8px;
  }

  .page-faq .flow-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-faq .flow-step:nth-child(2) {
    margin-top: 18px;
  }

  .page-faq .flow-step:nth-child(3) {
    margin-top: 36px;
  }
}

/* ---------- 文档目录 ---------- */
.page-faq .faq-shot {
  margin: 0 0 clamp(24px, 3vw, 38px);
}

.page-faq .faq-shot img,
.page-faq .qa-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 2px solid var(--tide);
  background: var(--abyss);
}

.page-faq .faq-shot figcaption,
.page-faq .qa-shot figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .docs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .doc-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  min-height: 168px;
  padding: 20px 20px 16px;
  background: var(--chart);
  border: 1px solid var(--faq-hair);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .doc-card:hover,
.page-faq .doc-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-faq .doc-card .tag {
  align-self: flex-start;
}

.page-faq .doc-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.page-faq .doc-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .doc-card__count {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-hair);
  text-align: right;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--lemon);
  line-height: 1;
}

.page-faq .doc-card__count i {
  font-style: normal;
  font-size: 12px;
  margin-left: 4px;
  color: var(--fog);
}

@media (min-width: 700px) {
  .page-faq .docs {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

@media (min-width: 1000px) {
  .page-faq .docs {
    grid-template-columns: 1.12fr 0.92fr 1fr;
    gap: 22px 20px;
  }

  .page-faq .docs li:nth-child(2) {
    margin-top: 26px;
  }

  .page-faq .docs li:nth-child(5) {
    margin-top: 26px;
  }
}

/* ---------- 高频问答 ---------- */
.page-faq .qa-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .qa-list {
  order: 1;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .qa-shot {
  order: 2;
  margin: 0;
  max-width: 380px;
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-hair);
  transition: background-color 0.24s var(--ease);
}

.page-faq .qa[open] {
  background: rgba(18, 60, 92, 0.55);
}

.page-faq .qa__q {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 16px 16px 16px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  border-left: 2px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa[open] .qa__q {
  border-left-color: var(--cyan);
  color: #ffffff;
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--lemon);
}

.page-faq .qa__q:hover {
  color: var(--cyan);
}

.page-faq .qa__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

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

.page-faq .qa__body {
  padding: 0 18px 18px 30px;
}

.page-faq .qa__concl {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  counter-reset: faqstep;
}

.page-faq .steps > li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  counter-increment: faqstep;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .steps > li::before {
  content: counter(faqstep);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--cyan);
}

.page-faq .steps--loose > li {
  font-size: 15.5px;
  line-height: 1.8;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--faq-hair);
}

@media (min-width: 900px) {
  .page-faq .qa-wrap {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-faq .qa-shot {
    order: 1;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    max-width: none;
  }

  .page-faq .qa-list {
    order: 2;
  }

  .page-faq .qa__q {
    font-size: 17.5px;
    padding: 18px 18px 18px 16px;
  }
}

/* ---------- 对照示范 ---------- */
.page-faq .compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .record {
  background: var(--abyss);
  border: 1px solid var(--tide);
  border-top: 3px solid var(--cyan);
  padding: 22px 20px;
}

.page-faq .record__label {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .record__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-faq .record__list > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--faq-hair);
}

.page-faq .record__list > div:last-child {
  border-bottom: 0;
}

.page-faq .record__list dt {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-faq .record__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--text);
}

.page-faq .record__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lemon);
  text-decoration: none;
  border-bottom: 1px solid var(--tide);
}

.page-faq .record__link:hover,
.page-faq .record__link:focus-visible {
  border-bottom-color: var(--lemon);
}

@media (min-width: 880px) {
  .page-faq .compare-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    align-items: start;
  }
}

/* ---------- 奶油纸清单 ---------- */
.page-faq .paper {
  background: var(--paper);
  color: var(--brown);
  padding: clamp(22px, 4vw, 44px);
  border-left: 6px solid var(--coral);
}

.page-faq .paper__head {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.page-faq .paper__head h2 {
  color: var(--brown);
  font-size: clamp(23px, 3.6vw, 34px);
}

.page-faq .paper__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #4a3f36;
}

.page-faq .eyebrow--dark {
  color: #8c5a3c;
}

.page-faq .check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .check li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
}

.page-faq .check input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1.5px solid #6b5847;
  background: transparent;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .check input:hover {
  border-color: var(--brown);
}

.page-faq .check input:checked {
  background: var(--cyan);
  border-color: #0a2a43;
}

.page-faq .check input:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-faq .check label {
  font-size: 15px;
  line-height: 1.6;
  color: var(--brown);
  cursor: pointer;
}

.page-faq .paper__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(23, 19, 16, 0.28);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: #4a3f36;
}

/* ---------- 收束提示条 ---------- */
.page-faq .next-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 36px);
  background: var(--abyss);
  border: 1px solid var(--lemon);
}

.page-faq .next-strip h2 {
  font-size: clamp(22px, 3.4vw, 30px);
}

.page-faq .next-strip p {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .next-strip__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-faq .next-strip__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-faq .next-strip .btn-ghost {
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .next-strip .btn-ghost:hover,
.page-faq .next-strip .btn-ghost:focus-visible {
  background: var(--cyan);
  color: var(--abyss);
}

.page-faq .next-strip__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px dashed var(--faq-hair);
  padding-bottom: 3px;
}

.page-faq .next-strip__sub:hover,
.page-faq .next-strip__sub:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

@media (min-width: 820px) {
  .page-faq .next-strip {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .doc-card,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .jump a,
  .page-faq .next-strip .btn-ghost,
  .page-faq .check input {
    transition: none;
  }

  .page-faq .doc-card:hover {
    transform: none;
  }
}
<<<END>>>