.page-faq {
  --faq-band: 8px;
  --faq-shadow: 6px 6px 0 rgba(28, 26, 23, 0.16);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  overflow-x: hidden;
}

.page-faq .container {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--edge);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 56px;
  color: var(--paper-light);
  background:
    radial-gradient(circle at 88% 8%, rgba(242, 183, 5, 0.3), transparent 46%),
    radial-gradient(circle at 6% 88%, rgba(31, 111, 120, 0.55), transparent 52%),
    linear-gradient(158deg, var(--ochre) 0%, var(--ochre-deep) 64%, #521b16 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 14px;
  background: repeating-linear-gradient(
    45deg,
    var(--saffron) 0 10px,
    var(--teal) 10px 20px,
    var(--jade) 20px 30px,
    var(--ochre-deep) 30px 40px
  );
}

.page-faq .crumb {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(255, 249, 238, 0.78);
}

.page-faq .crumb a {
  color: var(--paper-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 249, 238, 0.42);
  padding-bottom: 1px;
}

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

.page-faq .crumb-sep {
  color: rgba(255, 249, 238, 0.5);
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 30px;
  margin-top: 24px;
}

.page-faq .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--saffron);
  border: 2px solid var(--ink);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-shadow: 4px 4px 0 var(--ochre-deep);
  color: var(--paper-light);
}

.page-faq .faq-lead {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 249, 238, 0.92);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 15px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper-light);
  text-decoration: none;
  border: 2px solid rgba(255, 249, 238, 0.6);
  border-radius: 999px;
  transition: background-color 0.16s ease, color 0.16s ease, transform 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--saffron);
  border-color: var(--saffron);
  color: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-hero-side {
  padding: 20px 20px 22px;
  background: var(--paper-light);
  color: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--saffron);
  transform: rotate(-1.2deg);
}

.page-faq .faq-hero-side .hand-note {
  margin: 0 0 12px;
  font-family: var(--font-hand);
  font-size: 16px;
  color: var(--ochre-deep);
}

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

.page-faq .faq-side-list li + li {
  border-top: 2px dotted rgba(28, 26, 23, 0.18);
}

.page-faq .faq-side-list a {
  display: block;
  padding: 11px 0 11px 22px;
  position: relative;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--teal-deep);
  text-decoration: none;
}

.page-faq .faq-side-list a::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 11px;
  color: var(--jade);
  font-weight: 900;
}

.page-faq .faq-side-list a:hover,
.page-faq .faq-side-list a:focus-visible {
  color: var(--ochre);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-sec {
  padding: 48px 0 56px;
  background: var(--paper);
}

.page-faq .faq-sec--alt {
  background: var(--paper-light);
  border-top: var(--faq-band) solid var(--teal);
  border-bottom: var(--faq-band) solid var(--teal);
}

.page-faq .faq-sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-faq .num-badge {
  display: inline-block;
  justify-self: start;
  padding: 4px 12px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--saffron);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ochre-deep);
}

.page-faq .faq-sec-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(25px, 5.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .hand-note {
  margin: 0;
  font-family: var(--font-hand);
  font-size: 15px;
  line-height: 1.6;
  color: var(--teal-deep);
}

.page-faq .faq-intro {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-more {
  margin: 26px 0 0;
}

/* ---------- 五步卡 ---------- */
.page-faq .faq-thread {
  display: block;
  width: 100%;
  height: auto;
  max-height: 40px;
  margin: 0 0 18px;
}

.page-faq .faq-steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

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

.page-faq .faq-step details {
  height: 100%;
  background: var(--paper-light);
  border: 3px solid var(--ink);
  box-shadow: var(--faq-shadow);
  transition: box-shadow 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-step details[open] {
  border-color: var(--jade);
  box-shadow: 6px 6px 0 var(--jade);
}

.page-faq .faq-step summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
}

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

.page-faq .faq-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 900;
  color: var(--paper-light);
  background: var(--teal);
  border: 2px solid var(--ink);
  transition: background-color 0.16s ease;
}

.page-faq .faq-step details[open] .faq-step-num {
  background: var(--jade);
}

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

.page-faq .faq-step p {
  margin: 0;
  padding: 0 14px 16px 58px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(28, 26, 23, 0.86);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 32px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 4px solid var(--ink);
  box-shadow: 6px 6px 0 var(--teal);
  object-fit: cover;
}

.page-faq .media-caption {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-list,
.page-faq .faq-rule-grid,
.page-faq .faq-split-main {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  min-width: 0;
  background: var(--paper-light);
  border: 3px solid var(--ink);
  box-shadow: 5px 5px 0 rgba(28, 26, 23, 0.16);
  transition: box-shadow 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-sec--alt .faq-item {
  background: var(--paper);
}

.page-faq .faq-item[open] {
  border-color: var(--teal-deep);
  box-shadow: 5px 5px 0 var(--saffron);
}

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

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

.page-faq .faq-mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  background: var(--saffron);
  border: 2px solid var(--ink);
  transition: background-color 0.16s ease;
}

.page-faq .faq-mark::before {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 2px;
  background: var(--ink);
  transform: translateY(-50%);
}

.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 2px;
  background: var(--ink);
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-mark {
  background: var(--jade);
}

.page-faq .faq-item[open] .faq-mark::after {
  opacity: 0;
}

.page-faq .faq-body {
  padding: 0 16px 18px 50px;
}

.page-faq .faq-body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(28, 26, 23, 0.86);
}

/* ---------- 分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 28px;
}

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

.page-faq .faq-figure--side img {
  box-shadow: 6px 6px 0 var(--ochre);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  padding: 22px 20px 24px;
  background: var(--teal-deep);
  color: var(--paper-light);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--saffron);
}

.page-faq .faq-contact .hand-note {
  margin: 0 0 16px;
  font-family: var(--font-hand);
  font-size: 16px;
  color: var(--saffron);
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding-bottom: 14px;
  border-bottom: 2px dotted rgba(255, 249, 238, 0.28);
}

.page-faq .faq-contact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact-key {
  flex: 0 0 auto;
  padding: 2px 8px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
  background: var(--saffron);
}

.page-faq .faq-contact-val {
  flex: 1 1 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  word-break: break-word;
  color: var(--paper-light);
}

.page-faq .faq-contact .copy-btn {
  padding: 5px 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--paper-light);
  background: transparent;
  border: 2px solid rgba(255, 249, 238, 0.6);
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-contact .copy-btn:hover,
.page-faq .faq-contact .copy-btn:focus-visible {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--paper-light);
}

.page-faq .faq-contact-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 249, 238, 0.82);
}

.page-faq .faq-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
}

.page-faq .faq-contact-links a {
  display: inline-block;
  padding: 6px 13px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper-light);
  border: 2px solid var(--ink);
  text-decoration: none;
  transition: background-color 0.16s ease, transform 0.16s ease;
}

.page-faq .faq-contact-links a:hover,
.page-faq .faq-contact-links a:focus-visible {
  background: var(--saffron);
  transform: translateY(-2px);
}

.page-faq .btn {
  display: inline-block;
  padding: 11px 22px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .btn:hover,
.page-faq .btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.page-faq .btn--teal {
  background: var(--teal);
  color: var(--paper-light);
}

.page-faq .btn--primary {
  background: var(--ochre);
  color: var(--paper-light);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-figure img,
  .page-faq .faq-figure--side img {
    box-shadow: 10px 10px 0 var(--teal);
  }

  .page-faq .faq-figure--side img {
    box-shadow: 10px 10px 0 var(--ochre);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 56px) 0 72px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 40px;
    margin-top: 32px;
  }

  .page-faq .faq-lead {
    font-size: 17px;
  }

  .page-faq .faq-sec {
    padding: 64px 0 72px;
  }

  .page-faq .faq-sec-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 20px;
    margin-bottom: 30px;
  }

  .page-faq .num-badge {
    font-size: 17px;
    padding: 6px 14px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 36px;
  }

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

@media (min-width: 1100px) {
  .page-faq .faq-steps-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-step summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-faq .faq-step p {
    padding: 0 14px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-step details,
  .page-faq .faq-item,
  .page-faq .faq-contact .copy-btn,
  .page-faq .faq-contact-links a,
  .page-faq .btn,
  .page-faq .faq-mark,
  .page-faq .faq-step-num {
    transition: none;
  }

  .page-faq .faq-jump a:hover,
  .page-faq .faq-jump a:focus-visible,
  .page-faq .btn:hover,
  .page-faq .btn:focus-visible,
  .page-faq .faq-contact-links a:hover,
  .page-faq .faq-contact-links a:focus-visible {
    transform: none;
  }
}