.page-faq {
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .breadcrumb__list li {
  display: inline-flex;
  align-items: center;
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .breadcrumb__list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-faq .breadcrumb__list a:hover,
.page-faq .breadcrumb__list a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--line-green);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__ghost {
  position: absolute;
  top: -0.3em;
  right: -0.04em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(180px, 40vw, 400px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(31, 209, 139, 0.14);
  pointer-events: none;
  user-select: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 7.4vw, 72px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-meta {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  align-self: end;
}

.page-faq .faq-meta__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(26, 31, 43, 0.6), rgba(7, 11, 18, 0.25));
}

.page-faq .faq-meta__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}

.page-faq .faq-meta__value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--white);
  text-align: right;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(26px, 5vw, 54px) 0 clamp(48px, 8vw, 96px);
}

.page-faq .faq-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(26, 31, 43, 0.55), rgba(7, 11, 18, 0.35));
  padding: 15px 13px 11px;
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

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

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--white);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: rgba(31, 209, 139, 0.08);
  border-left-color: var(--green);
  color: var(--green);
}

.page-faq .faq-toc__link:hover .faq-toc__num,
.page-faq .faq-toc__link:focus-visible .faq-toc__num {
  color: var(--orange);
}

/* ---------- 旁注 ---------- */
.page-faq .faq-aside {
  border-left: 2px solid var(--orange);
  background: var(--orange-dim);
  padding: 14px 15px;
}

.page-faq .faq-aside__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange-soft);
}

.page-faq .faq-aside__text {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-aside__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  color: var(--white);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding: clamp(24px, 3.4vw, 38px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-sec::before {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-bottom: 14px;
  background: var(--green);
}

.page-faq .faq-sec--hot::before {
  background: linear-gradient(90deg, var(--orange), var(--orange-soft));
}

.page-faq .faq-sec--schedule::before {
  background: linear-gradient(90deg, var(--green), rgba(31, 209, 139, 0.1));
}

.page-faq .faq-sec--follow::before {
  background: linear-gradient(90deg, var(--indigo), var(--orange-soft));
}

.page-faq .faq-sec--fix::before {
  background: linear-gradient(90deg, var(--wine), var(--orange));
}

.page-faq .faq-sec--human::before {
  background: linear-gradient(90deg, var(--orange), var(--green));
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-sec__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.12;
  color: var(--white);
}

.page-faq .faq-sec__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 速查列表 ---------- */
.page-faq .quick-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .quick-item {
  background: linear-gradient(180deg, rgba(26, 31, 43, 0.78), rgba(7, 11, 18, 0.55));
}

.page-faq .quick-item__link {
  display: grid;
  gap: 7px;
  height: 100%;
  padding: 15px 16px 16px;
  text-decoration: none;
  color: inherit;
  transition: background 0.25s ease;
}

.page-faq .quick-item__link:hover,
.page-faq .quick-item__link:focus-visible {
  background: rgba(31, 209, 139, 0.08);
}

.page-faq .quick-item__q {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

.page-faq .quick-item__a {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .quick-item__go {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .quick-item__link:hover .quick-item__go,
.page-faq .quick-item__link:focus-visible .quick-item__go {
  color: var(--orange);
}

/* ---------- 三步时间线 ---------- */
.page-faq .steps {
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .step {
  padding: 14px 16px 14px 16px;
  border-left: 2px solid var(--line-green);
  background: linear-gradient(90deg, rgba(31, 209, 139, 0.09), transparent 72%);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .step__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .step__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 3vw, 28px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--line);
}

.page-faq .qa__item {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .qa__item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__item summary::marker {
  content: "";
}

.page-faq .qa__q {
  flex: 1 1 auto;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--white);
  transition: color 0.2s ease;
}

.page-faq .qa__item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.35;
  color: var(--green);
  transition: color 0.25s ease;
}

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

.page-faq .qa__item summary:hover .qa__q,
.page-faq .qa__item summary:focus-visible .qa__q {
  color: var(--green);
}

.page-faq .qa__item summary:focus-visible {
  outline: 2px solid var(--orange-soft);
  outline-offset: 2px;
}

.page-faq .qa__item details[open] .qa__q {
  color: var(--orange-soft);
}

.page-faq .qa__a {
  padding: 0 4px 20px;
  max-width: 70ch;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
}

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

.page-faq .qa__a strong {
  font-weight: 600;
  color: var(--white);
}

.page-faq .qa__a a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--line-green);
}

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

/* ---------- 邮件模板块 ---------- */
.page-faq .tpl-block {
  margin: 0 0 clamp(16px, 2.6vw, 22px);
  padding: 14px 16px;
  border: 1px dashed var(--line-strong);
  background: linear-gradient(90deg, rgba(90, 31, 46, 0.28), rgba(7, 11, 18, 0.2));
}

.page-faq .tpl-block__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange-soft);
}

.page-faq .tpl-block__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--white);
  word-break: break-word;
}

/* ---------- 联系卡片 ---------- */
.page-faq .contact-cards {
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(18px, 3vw, 26px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .ccard {
  padding: 16px;
  background: linear-gradient(180deg, rgba(26, 31, 43, 0.8), rgba(7, 11, 18, 0.55));
}

.page-faq .ccard__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .ccard__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .ccard__value a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line-green);
}

.page-faq .ccard__value a:hover,
.page-faq .ccard__value a:focus-visible {
  color: var(--green);
}

.page-faq .ccard__note {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 相关入口 ---------- */
.page-faq .more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-faq .quick-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .contact-cards {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .step {
    border-left: 0;
    border-top: 2px solid var(--line-green);
    padding: 16px 18px 10px 0;
    margin-right: 18px;
    background: linear-gradient(180deg, rgba(31, 209, 139, 0.09), transparent 74%);
  }

  .page-faq .step:last-child {
    margin-right: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    align-items: end;
    gap: clamp(30px, 5vw, 60px);
  }

  .page-faq .faq-meta {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .qa__item summary {
    padding: 17px 6px;
  }

  .page-faq .qa__q {
    font-size: 16px;
  }
}

@media (min-width: 1200px) {
  .page-faq .quick-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .quick-item__link {
    padding: 16px 15px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc__link,
  .page-faq .quick-item__link,
  .page-faq .qa__q,
  .page-faq .qa__item summary::after {
    transition: none;
  }
}