/* ===== 支持中心 · 页面专属样式 ===== */
.page-faq {
  background: var(--ink);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 28px 0 4px;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(200, 255, 61, .07), transparent 58%),
    linear-gradient(180deg, var(--moss) 0%, var(--ink) 74%);
}

.page-faq .breadcrumb {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
  margin-bottom: 26px;
}

.page-faq .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .breadcrumb-sep {
  margin: 0 8px;
  opacity: .5;
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--mist);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-faq .eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding-left: 11px;
  border-left: 3px solid var(--lime);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--lime);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-size: clamp(29px, 7.4vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.022em;
  color: var(--mist);
  overflow-wrap: break-word;
}

.page-faq .faq-lede {
  margin: 0 0 24px;
  max-width: 42em;
  font-size: 16.5px;
  line-height: 1.72;
  color: rgba(242, 245, 243, .82);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-faq .faq-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-faq .faq-fact-num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-fact-label {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--silver);
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--moss);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--brown);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--silver);
}

.page-faq .faq-figure--wide {
  margin: 0 0 22px;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 3 / 2;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding: 44px 0 72px;
  background: var(--ink);
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

/* 左侧索引 */
.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--moss);
  padding: 18px;
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--silver);
}

.page-faq .faq-index-list {
  display: grid;
  gap: 2px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-faq .toc-link {
  display: block;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  color: rgba(242, 245, 243, .74);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .toc-link:hover {
  color: var(--mist);
  background: var(--moss-2);
}

.page-faq .toc-link.is-active {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, .07);
}

.page-faq .faq-index-note {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--silver);
}

.page-faq .faq-index-note p {
  margin: 0;
}

.page-faq .faq-index-note-time {
  margin-bottom: 5px !important;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-bottom: 42px;
  margin-bottom: 42px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 128px;
}

.page-faq .faq-section:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.page-faq .faq-section-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-faq .faq-section .h-title {
  margin: 0 0 12px;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-faq .faq-section-lede {
  margin: 0 0 24px;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(242, 245, 243, .78);
}

/* ---------- 编号步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  border: 1px solid var(--line);
  background: var(--moss);
  padding: 16px;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--moss-2);
}

.page-faq .faq-step-num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step-body {
  min-width: 0;
}

.page-faq .faq-step-body h3 {
  margin: 0 0 7px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-faq .faq-step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 245, 243, .76);
}

/* ---------- 提示卡 ---------- */
.page-faq .faq-alert {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 18px;
  padding: 15px 17px;
  border: 1px solid rgba(255, 106, 43, .55);
  background: linear-gradient(135deg, rgba(255, 106, 43, .13), rgba(255, 106, 43, .02));
}

.page-faq .faq-alert-tag {
  padding: 3px 8px;
  border: 1px solid rgba(255, 106, 43, .6);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange);
  white-space: nowrap;
}

.page-faq .faq-alert p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 245, 243, .86);
}

.page-faq .faq-alert a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 折叠补充 ---------- */
.page-faq .faq-more {
  border: 1px solid var(--line);
  background: var(--brown);
}

.page-faq .faq-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  letter-spacing: .06em;
  color: var(--silver);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-more summary:hover {
  color: var(--mist);
}

.page-faq .faq-more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .faq-more[open] summary::after {
  content: "−";
}

.page-faq .faq-more[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-more-body {
  padding: 14px 16px 16px;
}

.page-faq .faq-more-body ul {
  margin: 0;
  padding-left: 18px;
}

.page-faq .faq-more-body li {
  margin-bottom: 7px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 245, 243, .75);
}

.page-faq .faq-more-body li:last-child {
  margin-bottom: 0;
}

/* ---------- 说明小卡 ---------- */
.page-faq .faq-grid-2 {
  display: grid;
  gap: 14px;
}

.page-faq .faq-note-card {
  border: 1px solid var(--line);
  background: var(--moss);
  padding: 16px 18px;
}

.page-faq .faq-note-card h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: .02em;
}

.page-faq .faq-note-card ul {
  margin: 0;
  padding-left: 18px;
}

.page-faq .faq-note-card li {
  margin-bottom: 7px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 245, 243, .76);
}

.page-faq .faq-note-card li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-note-card--wide {
  margin-bottom: 22px;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-contact-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--moss);
}

.page-faq .faq-contact-label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--silver);
}

.page-faq .faq-contact-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-value--text {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--mist);
}

/* ---------- 相关入口 ---------- */
.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-links a {
  padding: 9px 14px;
  border: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-links a:hover {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(200, 255, 61, .06);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 46px 0 8px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 46px;
  }

  .page-faq .faq-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-body {
    padding: 56px 0 88px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 130px;
    padding: 20px;
  }

  .page-faq .faq-step {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 18px;
    padding: 20px;
  }

  .page-faq .faq-step-num {
    width: 54px;
    height: 54px;
    font-size: 19px;
  }

  .page-faq .faq-section {
    padding-bottom: 52px;
    margin-bottom: 52px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-content {
    max-width: 780px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .toc-link,
  .page-faq .faq-links a,
  .page-faq .breadcrumb a {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}