/* ===== 支持中心 / page-faq ===== */
.page-faq {
  --faq-ink-soft: #14202E;
  --faq-ink-muted: #4A5A6B;
  --faq-rule: rgba(20, 32, 46, 0.16);
  display: block;
  background: var(--ink-deep);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 顶部 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(92px, 14vw, 150px) 0 clamp(44px, 6vw, 68px);
  background:
    radial-gradient(110% 82% at 88% 2%, rgba(47, 216, 216, 0.16), transparent 62%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--night) 100%);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 16%;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(242, 167, 59, 0.5));
  transform: rotate(-15deg);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 16ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #FFFFFF;
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-faq .faq-hero__aside {
  padding: clamp(20px, 3vw, 28px);
  background: rgba(16, 38, 63, 0.74);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-hero__aside-title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

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

.page-faq .faq-stats li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-stats li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-stats__num {
  min-width: 78px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-faq .faq-stats__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 区块标题 ---------- */
.page-faq .faq-section-head {
  margin-bottom: clamp(24px, 3.5vw, 42px);
}

.page-faq .faq-section-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-faq .faq-section-head__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 五步流程 ---------- */
.page-faq .faq-steps {
  padding: clamp(48px, 7vw, 84px) 0;
  background: var(--ink-mid);
}

.page-faq .faq-steps__track {
  position: relative;
  display: grid;
  gap: 14px;
}

.page-faq .step {
  position: relative;
  z-index: 1;
  padding: 16px 18px 18px;
  background: rgba(10, 26, 47, 0.88);
  border: 1px solid var(--line-soft);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.24s ease;
}

.page-faq .step[open] {
  background: rgba(16, 38, 63, 0.94);
  border-color: var(--line);
  box-shadow: 0 0 30px -14px rgba(47, 216, 216, 0.85);
}

.page-faq .step > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .step__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  background: var(--night);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .step[open] .step__num {
  color: var(--amber);
  border-color: rgba(242, 167, 59, 0.55);
}

.page-faq .step__title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .step__body {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-steps__figure {
  margin: clamp(32px, 4vw, 54px) 0 0;
}

/* ---------- 问答主区 ---------- */
.page-faq .faq-body {
  padding: clamp(48px, 7vw, 88px) 0;
  background: linear-gradient(180deg, var(--ink-deep) 0%, var(--night) 100%);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(30px, 4vw, 48px);
}

.page-faq .faq-index {
  padding-left: 18px;
  border-left: 1px solid var(--line-soft);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-index__link {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.3;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--line);
  background: var(--cyan-soft);
}

.page-faq .faq-index__figure {
  margin: 26px 0 0;
}

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

.page-faq .faq-group {
  margin-bottom: clamp(36px, 5vw, 56px);
}

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

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__idx {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.2s ease;
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--amber);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.22s ease;
}

.page-faq .qa[open]::before {
  transform: scaleY(1);
}

.page-faq .qa > summary {
  position: relative;
  padding: 18px 48px 18px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  transition: color 0.18s ease;
}

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

.page-faq .qa > summary::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 27px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.page-faq .qa[open] > summary::after {
  transform: rotate(-135deg);
}

.page-faq .qa[open] > summary {
  color: var(--amber);
}

.page-faq .qa > summary:hover {
  color: var(--cyan);
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .qa__answer {
  padding: 0 48px 8px 18px;
}

.page-faq .qa__answer p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

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

.page-faq .qa__link {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 216, 216, 0.45);
  padding-bottom: 1px;
}

.page-faq .qa__link:hover {
  color: var(--amber);
  border-bottom-color: rgba(242, 167, 59, 0.6);
}

/* ---------- 米白资料区 ---------- */
.page-faq .faq-cream {
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--cream);
  color: var(--faq-ink-soft);
}

.page-faq .faq-cream .eyebrow {
  color: var(--clay);
}

.page-faq .faq-cream .faq-section-head h2 {
  color: var(--faq-ink-soft);
}

.page-faq .faq-cream .faq-section-head__lead {
  color: var(--faq-ink-muted);
}

.page-faq .dl-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .dl-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .dl-item__idx {
  grid-row: 1;
  grid-column: 1;
  font-size: 13px;
  font-weight: 700;
  color: var(--clay);
}

.page-faq .dl-item__name {
  grid-row: 1;
  grid-column: 2;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--faq-ink-soft);
}

.page-faq .dl-item__desc {
  grid-row: 2;
  grid-column: 2;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-ink-muted);
}

.page-faq .dl-qa {
  margin-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-cream .qa {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-cream .qa > summary {
  color: var(--faq-ink-soft);
}

.page-faq .faq-cream .qa > summary::after {
  border-right-color: var(--clay);
  border-bottom-color: var(--clay);
}

.page-faq .faq-cream .qa[open] > summary {
  color: var(--clay);
}

.page-faq .faq-cream .qa > summary:hover {
  color: var(--clay);
}

.page-faq .faq-cream .qa__answer p {
  color: var(--faq-ink-muted);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding: clamp(48px, 7vw, 84px) 0;
  background: var(--ink-mid);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-faq .faq-contact__intro h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-faq .faq-contact__intro p {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact__item {
  padding: 20px 22px;
  background: rgba(10, 26, 47, 0.82);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-contact__value {
  display: block;
  margin-top: 8px;
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-contact__note {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact__foot {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-contact__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 216, 216, 0.42);
}

.page-faq .faq-contact__foot a:hover {
  color: var(--amber);
  border-bottom-color: rgba(242, 167, 59, 0.6);
}

/* ---------- 图片容器微调 ---------- */
.page-faq .media-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-index__figure .media-frame__caption,
.page-faq .faq-steps__figure .media-frame__caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .dl-item {
    grid-template-columns: 56px 200px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 20px;
  }

  .page-faq .dl-item__idx {
    grid-column: 1;
  }

  .page-faq .dl-item__name {
    grid-column: 2;
  }

  .page-faq .dl-item__desc {
    grid-row: 1;
    grid-column: 3;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 880px) {
  .page-faq .faq-steps__track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-steps__track::before {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    top: 23px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), rgba(47, 216, 216, 0.1));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(270px, 0.8fr);
    align-items: end;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    padding-left: 22px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-index__link {
    width: 100%;
  }

  .page-faq .qa > summary {
    padding-right: 56px;
  }

  .page-faq .qa__answer {
    padding-right: 56px;
  }
}
<<<END>>>