.page-faq {
  --faq-gap: 16px;
  --faq-gap-lg: 32px;
  background: var(--sk-navy);
  color: var(--sk-text);
  font-family: var(--sk-font);
}

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

.page-faq .sk-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-family: var(--sk-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sk-legacy);
}

.page-faq .sk-breadcrumb a {
  color: var(--sk-legacy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--sk-dur) var(--sk-ease), border-color var(--sk-dur) var(--sk-ease);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-faq .faq-title {
  margin: 14px 0 0;
  color: var(--sk-sand);
  overflow-wrap: break-word;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--sk-text);
}

.page-faq .faq-h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--sk-sand);
  overflow-wrap: break-word;
}

/* ---------- 三步流程条 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 18px 22px 22px;
  background: var(--sk-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--sk-green);
}

.page-faq .faq-step-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-faq .faq-step-num {
  flex: none;
  width: 52px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  appearance: none;
  padding: 0;
  border: 1px solid var(--sk-line-strong);
  background: transparent;
  color: var(--sk-legacy);
  font-family: var(--sk-mono);
  font-size: 17px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background var(--sk-dur) var(--sk-ease),
              color var(--sk-dur) var(--sk-ease),
              border-color var(--sk-dur) var(--sk-ease);
}

.page-faq .faq-step-num[aria-pressed="true"] {
  background: var(--sk-green);
  border-color: var(--sk-green);
  color: var(--sk-navy);
}

.page-faq .faq-step-num:hover {
  background: var(--sk-orange);
  border-color: var(--sk-orange);
  color: var(--sk-navy);
}

.page-faq .faq-step-num:focus-visible {
  outline: 2px solid var(--sk-orange);
  outline-offset: 2px;
}

.page-faq .faq-step-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--sk-sand);
}

.page-faq .faq-step-body {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-step-body li {
  display: grid;
  gap: 3px;
  padding-left: 12px;
  border-left: 1px solid var(--sk-line);
}

.page-faq .faq-step-label {
  font-family: var(--sk-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--sk-legacy);
}

.page-faq .faq-step-text {
  color: var(--sk-text);
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-hero-figure,
.page-faq .faq-cat-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--sk-line);
  background: var(--sk-panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-hero-figure {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero-figure img,
.page-faq .faq-cat-figure img {
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-hero-figure::after,
.page-faq .faq-cat-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--sk-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--sk-line) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: .55;
}

/* ---------- 分类卡片瀑布 ---------- */
.page-faq .faq-cat-wrap {
  display: grid;
  gap: var(--faq-gap-lg);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-cat-cards {
  display: grid;
  gap: 12px;
}

.page-faq .faq-cat-card {
  background: var(--sk-panel);
  border: 1px solid var(--sk-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color var(--sk-dur) var(--sk-ease), transform var(--sk-dur) var(--sk-ease);
}

.page-faq .faq-cat-card:hover {
  border-color: var(--sk-orange);
  transform: translateX(2px);
}

.page-faq .faq-cat-sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px 16px 20px;
}

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

.page-faq .faq-cat-sum::after {
  content: "+";
  flex: none;
  font-family: var(--sk-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--sk-orange);
}

.page-faq .faq-cat-card[open] .faq-cat-sum::after {
  content: "–";
}

.page-faq .faq-cat-num {
  flex: none;
  font-family: var(--sk-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sk-navy);
  background: var(--sk-green);
  padding: 4px 7px;
}

.page-faq .faq-cat-card:nth-child(3) .faq-cat-num {
  background: var(--sk-indigo);
  color: var(--sk-sand);
}

.page-faq .faq-cat-card:nth-child(4) .faq-cat-num {
  background: var(--sk-legacy);
  color: var(--sk-navy);
}

.page-faq .faq-cat-card:nth-child(5) .faq-cat-num {
  background: var(--sk-wine);
  color: var(--sk-sand);
}

.page-faq .faq-cat-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--sk-sand);
}

.page-faq .faq-cat-count {
  margin-left: auto;
  font-family: var(--sk-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sk-legacy);
  white-space: nowrap;
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0;
  padding: 16px 20px 20px;
  border-top: 1px solid var(--sk-line);
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-cat-list li {
  position: relative;
  padding-left: 14px;
  color: var(--sk-text);
}

.page-faq .faq-cat-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 1px;
  background: var(--sk-legacy);
}

/* ---------- 检索技巧 ---------- */
.page-faq .faq-fix-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-faq .faq-fix-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--sk-line);
}

.page-faq .faq-fix-item:last-child {
  border-bottom: 1px solid var(--sk-line);
}

.page-faq .faq-fix-num {
  font-family: var(--sk-mono);
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: .04em;
  color: var(--sk-orange);
}

.page-faq .faq-fix-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--sk-sand);
}

.page-faq .faq-fix-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sk-text);
}

/* ---------- 企业客户 ---------- */
.page-faq .faq-ent-intro .sk-lede {
  margin-bottom: 0;
}

.page-faq .faq-ent-btn {
  margin-top: 22px;
}

.page-faq .faq-q-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-q {
  background: var(--sk-panel);
  border: 1px solid var(--sk-line);
  transition: border-color var(--sk-dur) var(--sk-ease),
              box-shadow var(--sk-dur) var(--sk-ease);
}

.page-faq .faq-q:hover {
  border-color: var(--sk-line-strong);
}

.page-faq .faq-q[open] {
  border-color: var(--sk-line-strong);
  box-shadow: inset 3px 0 0 var(--sk-orange);
}

.page-faq .faq-q-sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
}

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

.page-faq .faq-q-num {
  flex: none;
  font-family: var(--sk-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--sk-legacy);
  transition: color var(--sk-dur) var(--sk-ease);
}

.page-faq .faq-q[open] .faq-q-num {
  color: var(--sk-orange);
}

.page-faq .faq-q-text {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--sk-sand);
}

.page-faq .faq-q-body {
  padding: 0 18px 18px;
}

.page-faq .faq-q-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--sk-text);
}

/* ---------- 旧版通道 ---------- */
.page-faq .faq-legacy-panel {
  background: #14202F;
  border: 1px solid var(--sk-line);
  padding: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-legacy-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.page-faq .faq-legacy-head .sk-chip--legacy {
  letter-spacing: .06em;
}

.page-faq .faq-legacy-lede {
  margin-top: 14px;
  color: var(--sk-legacy);
}

.page-faq .faq-q-list--legacy {
  margin-top: 22px;
}

.page-faq .faq-q-list--legacy .faq-q {
  background: rgba(14, 27, 44, .55);
  border-color: var(--sk-line);
}

.page-faq .faq-q-list--legacy .faq-q[open] {
  box-shadow: inset 3px 0 0 var(--sk-legacy);
}

.page-faq .faq-q-list--legacy .faq-q[open] .faq-q-num {
  color: var(--sk-legacy);
}

.page-faq .faq-q-list--legacy .faq-q-text {
  letter-spacing: .06em;
  color: var(--sk-text);
}

/* ---------- 反馈 ---------- */
.page-faq .faq-contact-card {
  background: var(--sk-indigo);
  padding: clamp(24px, 4vw, 48px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .faq-contact-card h2 {
  margin: 0;
  font-size: clamp(23px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--sk-sand);
}

.page-faq .faq-contact-card > p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 234, .88);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 234, .92);
}

.page-faq .faq-contact-list .sk-mono {
  font-size: 12px;
  letter-spacing: .1em;
  padding-top: 3px;
  color: var(--sk-sand);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-contact-actions .sk-btn--ghost {
  border-color: rgba(244, 241, 234, .42);
  color: var(--sk-sand);
}

.page-faq .faq-contact-actions .sk-btn--ghost:hover,
.page-faq .faq-contact-actions .sk-btn--ghost:focus-visible {
  border-color: var(--sk-orange);
  color: var(--sk-orange);
}

.page-faq .faq-contact-note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(244, 241, 234, .78);
}

.page-faq .faq-contact-note .sk-link {
  color: var(--sk-sand);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-step-body {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-cat-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-cat-card:nth-child(even) {
    margin-top: 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    background: var(--sk-panel);
  }

  .page-faq .faq-step {
    background: transparent;
    clip-path: none;
    padding: 26px 24px 28px;
  }

  .page-faq .faq-step + .faq-step {
    border-left: 1px solid var(--sk-line);
  }

  .page-faq .faq-step-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-faq .faq-fix-item {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 28px;
    padding: 26px 0;
  }

  .page-faq .faq-fix-num {
    font-size: 40px;
  }

  .page-faq .faq-q-body {
    padding-left: 60px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-cat-wrap {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, .85fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-cat-figure {
    position: sticky;
    top: 88px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-step-body {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat-card,
  .page-faq .faq-step-num,
  .page-faq .faq-q,
  .page-faq .faq-q-num,
  .page-faq .sk-breadcrumb a {
    transition: none;
  }

  .page-faq .faq-cat-card:hover {
    transform: none;
  }
}