.page-faq {
  background: var(--paper);
  color: var(--ink);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  color: var(--indigo);
  margin: 0;
}

.page-faq .faq-crumbs {
  padding-block: clamp(14px, 2.4vw, 22px) 0;
}

/* 首屏 */
.page-faq .faq-hero {
  padding-block: clamp(18px, 3vw, 30px) clamp(30px, 5vw, 54px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero__copy h1 {
  font-size: clamp(34px, 7vw, 62px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-block: 10px 0;
  max-width: 14em;
}

.page-faq .faq-hero__copy .lede {
  margin-block: 16px 0;
  color: var(--ink-70);
  max-width: 34em;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: 20px 0;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-quick__card {
  position: relative;
  display: block;
  padding: 15px 18px 15px 62px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-faq .faq-quick__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 3px;
  background: var(--sea);
}

.page-faq .faq-quick__card--old::before { background: var(--sand); }
.page-faq .faq-quick__card--biz::before { background: var(--coral); }

.page-faq .faq-quick__card:hover,
.page-faq .faq-quick__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--indigo);
}

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

.page-faq .faq-quick__num {
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  color: var(--sea);
  letter-spacing: 0.04em;
}

.page-faq .faq-quick__card--old .faq-quick__num { color: var(--coral-deep); }
.page-faq .faq-quick__card--biz .faq-quick__num { color: var(--coral-deep); }

.page-faq .faq-quick__title {
  display: block;
  font-weight: 700;
  font-size: var(--step-16);
  color: var(--indigo);
}

.page-faq .faq-quick__desc {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-70);
}

/* 区块标题组 */
.page-faq .faq-section-head {
  max-width: 40em;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-section-head h2 {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin-block: 8px 0;
}

.page-faq .faq-section-head p {
  margin-block: 12px 0;
  color: var(--ink-70);
  line-height: 1.8;
  max-width: 34em;
}

/* 六条路线 */
.page-faq .faq-routes {
  background: var(--salt);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-figure__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: var(--paper-deep);
}

.page-faq .faq-figure__media--index {
  aspect-ratio: 10 / 7;
  background: var(--paper);
}

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

.page-faq .faq-figure__caption {
  margin-block: 10px 0;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  color: var(--ink-50);
  line-height: 1.7;
}

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

.page-faq .faq-route {
  background: var(--glass-strong);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 16px 18px 18px;
}

.page-faq .faq-route__num {
  font-family: var(--font-mono);
  font-size: var(--step-12);
  color: var(--sea);
  letter-spacing: 0.06em;
}

.page-faq .faq-route__title {
  font-size: var(--step-16);
  font-weight: 700;
  margin-block: 6px 6px;
}

.page-faq .faq-route p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-70);
}

/* 版本节奏带 */
.page-faq .faq-band {
  background: linear-gradient(135deg, var(--indigo), var(--indigo-soft) 62%, var(--sea-deep));
  color: var(--paper);
  padding-block: clamp(34px, 5vw, 58px);
}

.page-faq .faq-band__inner {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-band__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.16em;
  color: var(--sand);
  text-transform: uppercase;
}

.page-faq .faq-band__lead h2 {
  color: var(--paper);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.18;
  margin-block: 8px 0;
}

.page-faq .faq-band__lead p {
  margin-block: 12px 0;
  color: rgba(246, 239, 226, 0.82);
  line-height: 1.8;
  max-width: 38em;
}

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

.page-faq .faq-band__list li {
  padding-left: 14px;
  border-left: 2px solid var(--sand);
}

.page-faq .faq-band__list strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-faq .faq-band__list span {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 239, 226, 0.76);
}

.page-faq .faq-band__cta {
  justify-self: start;
}

/* 错位网格与索引 */
.page-faq .faq-layout {
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(10px, 2vw, 16px) clamp(30px, 5vw, 50px);
}

.page-faq .faq-layout__main {
  min-width: 0;
}

.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__list a {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-70);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--indigo);
  border-left-color: var(--coral);
  background: var(--glass);
}

.page-faq .faq-rail__list a[aria-current] {
  color: var(--indigo);
  font-weight: 700;
  border-left-color: var(--sand);
  background: var(--glass-strong);
}

.page-faq .faq-rail__meta {
  margin-block: 14px 0;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  color: var(--ink-50);
  letter-spacing: 0.06em;
}

/* 标签页与手风琴 */
.page-faq .faq-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  max-width: 100%;
  padding: 6px;
  margin-bottom: 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
}

.page-faq .faq-tabs .tabs__tab {
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink-70);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-tabs .tabs__tab:hover {
  background: var(--salt);
  color: var(--indigo);
}

.page-faq .faq-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
}

.page-faq .faq-tabs .tabs__tab[aria-selected="true"] {
  background: var(--indigo);
  color: var(--paper);
}

.page-faq .faq-panel[hidden] {
  display: block;
}

:where(.has-js) .page-faq .faq-panel[hidden] {
  display: none;
}

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

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

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: 34px 1fr 20px;
  align-items: start;
  gap: 0 10px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
  border-radius: var(--radius-s);
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: var(--step-12);
  color: var(--sea);
  line-height: 1.95;
  letter-spacing: 0.04em;
}

.page-faq .faq-item__q {
  font-size: var(--step-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .faq-item summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--coral-deep);
  transition: transform 0.2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--sea);
}

.page-faq .faq-item__a {
  padding: 0 0 18px clamp(0px, 3vw, 44px);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-70);
  max-width: 36em;
}

/* 站内索引章节 */
.page-faq .faq-ways {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-ways li {
  background: var(--glass-strong);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 16px 18px;
}

.page-faq .faq-ways__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--sea-deep);
  background: var(--salt);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}

.page-faq .faq-ways p {
  margin-block: 10px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-faq .faq-index__more {
  margin-block: clamp(18px, 3vw, 26px) 0;
}

/* 企业专区 */
.page-faq .faq-biz__grid {
  display: grid;
  gap: 12px;
}

.page-faq .faq-biz__card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius-m);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-biz__num {
  font-family: var(--font-mono);
  font-size: var(--step-12);
  color: var(--coral-deep);
  letter-spacing: 0.06em;
}

.page-faq .faq-biz__card h3 {
  font-size: var(--step-16);
  font-weight: 700;
  margin-block: 8px 6px;
  line-height: 1.5;
}

.page-faq .faq-biz__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-faq .faq-biz__note {
  margin-block: clamp(16px, 2.6vw, 22px) 0;
  padding: 14px 16px;
  border-radius: var(--radius-m);
  background: var(--paper-deep);
  border: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-70);
  max-width: 42em;
}

.page-faq .faq-biz__cta {
  margin-block: 16px 0;
}

/* 联系客服 */
.page-faq .faq-contact__grid {
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__card {
  background: var(--glass-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px;
}

.page-faq .faq-contact__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.08em;
  color: var(--ink-50);
}

.page-faq .faq-contact__val {
  margin-block: 8px 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--indigo);
  word-break: break-word;
}

.page-faq .faq-contact__tip {
  margin-block: 8px 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-faq .faq-contact__note {
  margin-block: clamp(16px, 2.6vw, 22px) 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-70);
  max-width: 42em;
}

.page-faq .faq-contact__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-block: 16px 0;
}

/* 平板与桌面 */
@media (min-width: 620px) {
  .page-faq .faq-route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-biz__grid .faq-biz__card:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

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

  .page-faq .faq-band__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-band__lead {
    grid-column: 1;
  }

  .page-faq .faq-band__list {
    grid-column: 2;
    grid-row: 1 / span 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

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

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-layout__main .faq-section-head p,
  .page-faq .faq-item__a p {
    max-width: 40em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__card,
  .page-faq .faq-item summary::after,
  .page-faq .faq-rail__list a {
    transition: none;
  }

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