.page-faq {
  --faq-gap: clamp(22px, 4vw, 48px);
  --faq-rule: rgba(244, 239, 230, 0.1);
  color: var(--body);
}

.page-faq .crumbs {
  padding-top: 22px;
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */

.page-faq .tut-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(182, 255, 59, 0.09), transparent 46%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 92px),
    var(--ink);
}

.page-faq .tut-hero::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -120px;
  width: 420px;
  height: 260px;
  background: linear-gradient(100deg, rgba(255, 122, 26, 0.22), rgba(255, 122, 26, 0));
  transform: skewX(-18deg);
  pointer-events: none;
}

.page-faq .tut-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(38px, 7vw, 84px) clamp(32px, 5vw, 56px);
}

.page-faq .tut-hero .eyebrow {
  color: var(--lime);
  letter-spacing: 0.08em;
}

.page-faq .tut-hero h1 {
  margin: 14px 0 0;
  max-width: 16em;
  font-size: clamp(30px, 6.2vw, 62px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .tut-hero .lead {
  margin-top: 18px;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--body);
}

.page-faq .tut-facts {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .tut-facts__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  background: rgba(21, 28, 36, 0.72);
  border-radius: var(--radius);
}

.page-faq .tut-facts__k {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.6vw, 22px);
  font-weight: 700;
  color: var(--lime);
  white-space: nowrap;
}

.page-faq .tut-facts__v {
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */

.page-faq .tut-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-block: clamp(30px, 5vw, 64px);
}

.page-faq .tut-toc {
  border: 1px solid var(--line);
  background: var(--ink-2);
  border-radius: var(--radius);
  padding: 14px;
}

.page-faq .tut-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .tut-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-faq .tut-toc__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  white-space: nowrap;
  color: var(--body);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .tut-toc__link:hover,
.page-faq .tut-toc__link:focus-visible {
  border-color: var(--lime);
  color: var(--white);
}

.page-faq .tut-toc__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

/* ---------- 章节 ---------- */

.page-faq .tut-sec {
  padding-block: clamp(22px, 4vw, 42px);
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .tut-sec__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.16;
  color: var(--white);
}

.page-faq .tut-sec__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.56em;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-faq .tut-sec p {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--body);
}

.page-faq .tut-sec p + p {
  margin-top: 14px;
}

.page-faq .tut-sec a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 入口卡 ---------- */

.page-faq .entry-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-faq .entry-card {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .entry-card:hover,
.page-faq .entry-card:focus-visible {
  border-color: var(--lime);
  background: rgba(182, 255, 59, 0.06);
  transform: translateY(-2px);
}

.page-faq .entry-card__t {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
}

.page-faq .entry-card__d {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .entry-card__go {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-faq .entry-card__go::after {
  content: " →";
}

/* ---------- 提示条 ---------- */

.page-faq .tip {
  display: grid;
  gap: 8px;
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--paper);
  color: #1A1F26;
}

.page-faq .tip__k {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #B44E00;
}

.page-faq .tip__p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: #2B333D;
}

/* ---------- 图 ---------- */

.page-faq .tut-figure {
  margin: 22px 0 26px;
}

.page-faq .media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .media__caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 步骤 ---------- */

.page-faq .step-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .step__no {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 2px;
  background: var(--lime);
  color: #0B0F14;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.page-faq .step__t {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--white);
}

.page-faq .step__d {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body);
}

/* ---------- 表格 ---------- */

.page-faq .table-scroll {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .dim-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  background: var(--ink-2);
}

.page-faq .dim-table caption {
  padding: 14px 16px 6px;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .dim-table th,
.page-faq .dim-table td {
  padding: 13px 16px;
  text-align: left;
  font-size: 14.5px;
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
}

.page-faq .dim-table thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: rgba(182, 255, 59, 0.05);
}

.page-faq .dim-table tbody th {
  font-weight: 700;
  color: var(--white);
  white-space: nowrap;
}

.page-faq .dim-table tbody td {
  color: var(--body);
}

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

/* ---------- 联系方式条 ---------- */

.page-faq .contact-inline {
  display: grid;
  gap: 0;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-faq .contact-inline__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .contact-inline__row:last-child {
  border-bottom: 0;
}

.page-faq .contact-inline__k {
  flex: none;
  min-width: 78px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .contact-inline__v {
  font-size: 15px;
  color: var(--white);
  word-break: break-word;
}

.page-faq .tut-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 常见问题 ---------- */

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 18px;
}

.page-faq .filter-btn {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--body);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .filter-btn:hover,
.page-faq .filter-btn:focus-visible {
  border-color: var(--lime);
  color: var(--white);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: #0B0F14;
  font-weight: 700;
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  transition: border-color 0.2s var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(182, 255, 59, 0.45);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-faq .qa[open] .qa__q::after {
  content: "－";
}

.page-faq .qa__a {
  padding: 0 18px 16px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body);
}

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

.page-faq .qa.is-filtered-out {
  display: none;
}

/* ---------- 收束 ---------- */

.page-faq .cta-band {
  display: grid;
  gap: 20px;
  margin-bottom: clamp(34px, 6vw, 72px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(255, 122, 26, 0.16), transparent 58%),
    var(--ink-2);
}

.page-faq .cta-band__t {
  margin: 0 0 10px;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--white);
}

.page-faq .cta-band__d {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--body);
}

.page-faq .cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .tut-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .tut-facts__item {
    display: grid;
    gap: 4px;
    align-items: start;
  }

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

  .page-faq .entry-card {
    display: flex;
    flex-direction: column;
  }

  .page-faq .entry-card__go {
    margin-top: auto;
  }

  .page-faq .cta-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .tut-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .tut-toc {
    position: sticky;
    top: calc(var(--head-h) + 24px);
  }

  .page-faq .tut-toc__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-faq .tut-toc__link {
    border-color: transparent;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 9px 12px;
    white-space: normal;
  }

  .page-faq .tut-toc__link:hover,
  .page-faq .tut-toc__link:focus-visible {
    border-left-color: var(--lime);
    background: rgba(182, 255, 59, 0.05);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .entry-card,
  .page-faq .tut-toc__link,
  .page-faq .filter-btn,
  .page-faq .qa {
    transition: none;
  }

  .page-faq .entry-card:hover,
  .page-faq .entry-card:focus-visible {
    transform: none;
  }
}