/* ===== 支持中心 page-faq ===== */
.page-faq {
  --faq-line: rgba(20, 18, 16, .1);
  --faq-line-soft: rgba(20, 18, 16, .06);
  background: var(--bone);
  color: var(--ink);
}

.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--chip);
  outline-offset: 3px;
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(84px, 11vw, 146px) 0 clamp(52px, 7vw, 96px);
  background:
    radial-gradient(92% 72% at 84% 2%, rgba(224, 138, 46, .28), rgba(224, 138, 46, 0) 62%),
    linear-gradient(165deg, var(--night) 0%, var(--table-green) 56%, var(--moss) 100%);
  color: var(--bone);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(38px, 6vw, 84px);
  background: var(--bone);
  clip-path: polygon(0 100%, 100% 30%, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .crumb a,
.page-faq .faq-hero .crumb {
  color: var(--bone-70);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
}

.page-faq .faq-title {
  margin: 14px 0 0;
  max-width: 17ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.07;
  letter-spacing: -0.02em;
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--bone-70);
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(18px, 3vw, 40px);
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 13px;
  border-left: 2px solid var(--chip);
}

.page-faq .faq-quick-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-quick-label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--bone-70);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: clamp(26px, 3.4vw, 40px);
}

/* --- 三步路径 --- */
.page-faq .faq-entry {
  padding: var(--pad-section) 0 var(--pad-section-tight);
  background: var(--bone);
}

.page-faq .faq-entry-figure {
  margin: 0 0 clamp(30px, 4.4vw, 52px);
}

.page-faq .step-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-card {
  position: relative;
  overflow: hidden;
  padding: 28px 24px 24px;
  min-width: 0;
  background: var(--stone);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
}

.page-faq .step-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--chip), var(--gold));
}

.page-faq .step-pip {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--vermilion);
}

.page-faq .step-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--chip);
}

.page-faq .step-title {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .step-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .step-hint {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(20, 18, 16, .18);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ash);
}

/* --- 问答堆叠 --- */
.page-faq .faq-answers {
  padding: var(--pad-section) 0;
  background:
    radial-gradient(78% 58% at 10% 0%, var(--moss-12), rgba(30, 92, 75, 0) 72%),
    var(--bone);
}

.page-faq .faq-filter-wrap {
  position: relative;
}

.page-faq .faq-stack {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-flow: row dense;
  gap: var(--gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .qa-card {
  grid-column: span 12;
  position: relative;
  min-width: 0;
  padding: 24px 22px 22px;
  background: var(--bone);
  border: 1px solid var(--faq-line);
  border-radius: 4px var(--radius-lg) var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-panel);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-faq .qa-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--chip);
}

.page-faq .qa-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-faq .qa-cat {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--chip-16);
  color: var(--vermilion);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
}

.page-faq .qa-q {
  margin: 0 0 8px;
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-faq .qa-short {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
}

.page-faq .qa-detail {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .qa-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--moss);
}

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

.page-faq .qa-toggle::before {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--chip);
  border-bottom: 2px solid var(--chip);
  transform: rotate(-45deg);
  transition: transform .24s var(--ease);
}

.page-faq .qa-detail[open] .qa-toggle::before {
  transform: rotate(45deg);
}

.page-faq .qa-body {
  margin-top: 12px;
  padding: 16px 16px 14px;
  background: var(--stone);
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .qa-body p {
  margin: 0 0 10px;
}

.page-faq .qa-body p:last-child {
  margin-bottom: 0;
}

.page-faq .qa-fields {
  display: grid;
  gap: 8px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.page-faq .qa-fields li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-size: 13.5px;
  color: var(--ash);
}

.page-faq .qa-fields .mono {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-weight: 600;
  color: var(--moss);
}

.page-faq .tier-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-faq .tier-list li {
  display: flex;
  align-items: baseline;
  gap: 2px;
  padding: 6px 12px;
  background: var(--bone);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-pill);
}

.page-faq .tier-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .tier-unit {
  font-size: 12px;
  color: var(--ash);
}

.page-faq .faq-empty {
  margin: 22px 0 0;
  padding: 18px;
  border: 1px dashed rgba(20, 18, 16, .22);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--ash);
}

/* --- 联系与准备 --- */
.page-faq .faq-contact {
  padding: var(--pad-section) 0;
  background: var(--bone);
}

.page-faq .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-faq .contact-figure {
  margin: 0;
}

.page-faq .contact-copy {
  min-width: 0;
}

.page-faq .contact-copy .section-title {
  margin: 10px 0 12px;
}

.page-faq .contact-copy > p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

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

.page-faq .prep-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--stone);
  border-radius: var(--radius-md);
}

.page-faq .prep-num {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  font-size: 15px;
  font-weight: 700;
  color: var(--chip);
}

.page-faq .prep-list strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
}

.page-faq .prep-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ash);
}

.page-faq .contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 24px;
}

.page-faq .contact-panel {
  margin-top: clamp(26px, 4vw, 46px);
  padding: clamp(24px, 3.4vw, 40px);
  color: var(--bone);
}

.page-faq .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px 26px;
}

.page-faq .contact-grid .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--bone-14);
}

.page-faq .contact-grid .contact-key {
  flex: none;
  min-width: 5.2em;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bone-45);
}

.page-faq .contact-grid .contact-val {
  min-width: 0;
  font-size: 15px;
  color: var(--bone);
  word-break: break-word;
}

.page-faq .contact-grid .contact-val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums slashed-zero;
  letter-spacing: .01em;
}

.page-faq .contact-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--bone-14);
  max-width: 48em;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--bone-70);
}

/* --- 延伸链接 --- */
.page-faq .faq-more {
  padding: var(--pad-section-tight) 0 calc(var(--pad-section-tight) + 14px);
  background: var(--stone);
}

.page-faq .more-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .more-list a {
  display: block;
  padding: 16px 18px;
  background: var(--bone);
  border-left: 3px solid var(--moss);
  border-radius: var(--radius-md);
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  text-decoration: none;
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .more-list a:hover {
  transform: translateY(-3px);
  border-left-color: var(--chip);
}

/* --- 响应式 --- */
@media (min-width: 760px) {
  .page-faq .step-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .step-card:nth-child(2) {
    transform: translateY(20px);
  }

  .page-faq .step-card:nth-child(3) {
    transform: translateY(40px);
  }

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

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

@media (min-width: 900px) {
  .page-faq .contact-split {
    grid-template-columns: 5fr 7fr;
  }
}

@media (min-width: 980px) {
  .page-faq .qa-card--w7 {
    grid-column: span 7;
  }

  .page-faq .qa-card--w5 {
    grid-column: span 5;
  }

  .page-faq .qa-card--w6 {
    grid-column: span 6;
  }

  .page-faq .qa-card:nth-child(even) {
    margin-top: 26px;
  }
}

@media (max-width: 560px) {
  .page-faq .qa-card {
    padding: 20px 18px 18px;
  }

  .page-faq .step-card {
    padding: 24px 20px 20px;
  }

  .page-faq .faq-quick {
    gap: 12px 18px;
  }

  .page-faq .contact-grid .contact-key {
    min-width: 100%;
  }
}