.page-faq {
  background: var(--deep);
  color: var(--warm);
  font-family: var(--font-body);
  padding-bottom: 96px;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 36px 20px 52px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 90% 70% at 100% 0%, rgba(34, 230, 210, 0.09), transparent 62%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(255, 122, 60, 0.06), transparent 65%),
    repeating-linear-gradient(0deg, transparent 0 79px, rgba(43, 76, 111, 0.18) 79px 80px);
}

.page-faq .faq-hero__inner {
  max-width: 1180px;
  margin: 0 auto;
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .breadcrumbs span[aria-hidden] {
  color: var(--line);
}

.page-faq .faq-eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 4px 10px;
  border: 1px solid rgba(34, 230, 210, 0.35);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.6vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--warm);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(245, 242, 234, 0.82);
}

/* ---------- 快速问题索引 ---------- */
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 34px;
}

.page-faq .faq-quick a {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 12px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  color: var(--warm);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  background: var(--glow);
  border-left-color: var(--orange);
  transform: translateY(-2px);
}

.page-faq .faq-quick a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-quick__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  line-height: 1.9;
}

.page-faq .faq-quick__txt {
  font-size: 14.5px;
  line-height: 1.65;
}

/* ---------- 两栏布局 ---------- */
.page-faq .faq-layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 20px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 4px 10px;
}

.page-faq .faq-toc li {
  margin: 0;
}

.page-faq .faq-toc a {
  display: block;
  padding: 6px 0 6px 10px;
  border-left: 1px solid var(--line);
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--warm);
  border-left-color: var(--cyan);
}

.page-faq .faq-toc a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 正文区块 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 96px;
  padding-bottom: 44px;
  margin-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-section__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-section h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-faq .faq-section > p {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.82);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding-bottom: 26px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--line) 70%, transparent);
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__dot {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--cyan);
  background: var(--midnight);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-step__body h3 {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--warm);
}

.page-faq .faq-step__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(245, 242, 234, 0.8);
}

.page-faq .faq-step__meta {
  display: inline-block;
  margin-top: 10px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 28px 0 0;
  padding: 0;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--midnight);
  object-fit: cover;
}

.page-faq .faq-media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq details.faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  background: var(--midnight);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq details.faq-item:hover {
  border-color: var(--mist);
}

.page-faq details.faq-item[open] {
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(27, 69, 102, 0.45), transparent 65%);
}

.page-faq details.faq-item summary {
  position: relative;
  padding: 15px 16px 15px 48px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--warm);
}

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

.page-faq details.faq-item summary::before {
  content: "+";
  position: absolute;
  left: 17px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
  color: var(--cyan);
}

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

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

.page-faq details.faq-item .faq-item__body {
  padding: 0 16px 18px 48px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 242, 234, 0.82);
}

.page-faq details.faq-item .faq-item__body p {
  margin: 0 0 10px;
  max-width: 66ch;
}

.page-faq details.faq-item .faq-item__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-tag {
  display: inline-block;
  margin: 2px 6px 2px 0;
  padding: 1px 7px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-faq .faq-tag--new {
  border-color: rgba(34, 230, 210, 0.45);
  color: var(--cyan);
}

.page-faq .faq-tag--old {
  border-color: rgba(140, 153, 166, 0.5);
  color: var(--cool);
}

/* ---------- 速查表 ---------- */
.page-faq .faq-table-wrap {
  margin: 22px 0 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--midnight);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.65;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table thead th {
  background: var(--panel);
  border-bottom: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--mist);
  white-space: nowrap;
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table tbody td:first-child {
  font-weight: 600;
  color: var(--warm);
  white-space: nowrap;
}

.page-faq .faq-table tbody td:not(:first-child) {
  color: rgba(245, 242, 234, 0.78);
}

.page-faq .faq-table .col-old {
  background: rgba(140, 153, 166, 0.07);
  color: var(--cool) !important;
}

.page-faq .faq-table .col-new {
  background: rgba(34, 230, 210, 0.07);
  color: var(--warm) !important;
}

.page-faq .faq-table thead .col-old {
  color: var(--cool);
}

.page-faq .faq-table thead .col-new {
  color: var(--cyan);
}

/* ---------- 联系准备 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  background: var(--midnight);
}

.page-faq .faq-checklist strong {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-checklist span {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 242, 234, 0.78);
}

.page-faq .faq-contact {
  margin-top: 24px;
  padding: 24px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-faq .faq-contact__lead {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--warm);
  max-width: 62ch;
}

.page-faq .faq-contact__list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-contact__list > div {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
  align-items: baseline;
}

.page-faq .faq-contact__list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-contact__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--warm);
  word-break: break-all;
}

.page-faq .faq-contact__actions {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-btn {
  display: inline-block;
  padding: 10px 18px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-btn--primary {
  background: var(--orange);
  border: 1px solid var(--orange);
  color: var(--deep);
}

.page-faq .faq-btn--primary:hover,
.page-faq .faq-btn--primary:focus-visible {
  background: #ff8f58;
  border-color: #ff8f58;
  transform: translateY(-1px);
}

.page-faq .faq-btn--ghost {
  background: transparent;
  border: 1px solid var(--mist);
  color: var(--mist);
}

.page-faq .faq-btn--ghost:hover,
.page-faq .faq-btn--ghost:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}

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

.page-faq .faq-section__note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 68ch;
}

.page-faq .faq-section__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 210, 0.4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-section__note a:hover,
.page-faq .faq-section__note a:focus-visible {
  color: var(--warm);
  border-bottom-color: var(--warm);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 48px 32px 64px;
  }

  .page-faq .faq-layout {
    padding: 56px 32px 0;
  }

  .page-faq .faq-quick {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-faq .faq-quick a {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 18px;
  }

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

  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 24px;
  }
}

@media (min-width: 960px) {
  .page-faq {
    padding-bottom: 120px;
  }

  .page-faq .faq-hero {
    padding: 56px 40px 72px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 56px;
    padding: 64px 40px 0;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .page-faq .faq-toc ol {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-toc a {
    white-space: normal;
    padding: 8px 0 8px 12px;
  }

  .page-faq .faq-step {
    grid-template-columns: 44px 1fr;
    gap: 20px;
  }

  .page-faq .faq-step__dot {
    width: 44px;
    height: 44px;
  }

  .page-faq .faq-step::before {
    left: 21px;
    top: 44px;
  }

  .page-faq .faq-media {
    margin-top: 32px;
  }
}