.page-faq {
  --faq-line-soft: rgba(212, 166, 74, 0.22);
  --faq-line-ink: rgba(17, 24, 32, 0.12);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 84px) 0 clamp(34px, 5vw, 56px);
  color: var(--paper);
  background:
    radial-gradient(120% 80% at 88% -18%, rgba(55, 224, 208, 0.15), transparent 60%),
    linear-gradient(168deg, var(--ink-deep) 0%, var(--panel-blue) 100%);
  border-bottom: 1px solid var(--line-gold);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background-image: repeating-linear-gradient(90deg, rgba(212, 166, 74, 0.16) 0 1px, transparent 1px 26px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 82%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-kicker {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-faq .faq-title {
  margin: 14px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-faq .faq-lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: rgba(244, 240, 232, 0.8);
}

.page-faq .faq-steps-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: clamp(30px, 5vw, 50px);
}

.page-faq .faq-steps-title {
  margin: 0;
  flex: 0 0 auto;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold-light);
}

.page-faq .faq-steps-rule {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--line-gold), transparent);
}

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 14px;
  background: rgba(212, 166, 74, 0.32);
  border: 1px solid rgba(212, 166, 74, 0.32);
}

.page-faq .faq-step {
  padding: 20px 18px 22px;
  background: linear-gradient(180deg, rgba(14, 42, 69, 0.96), rgba(7, 30, 51, 0.96));
}

.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-num);
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .faq-step:nth-child(2) .faq-step-num {
  color: var(--cyan);
}

.page-faq .faq-step:nth-child(3) .faq-step-num {
  color: var(--celadon);
}

.page-faq .faq-step-title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: #ffffff;
}

.page-faq .faq-step p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 240, 232, 0.72);
}

/* ---------- 章节通用微调 ---------- */
.page-faq .faq-chapter-section .section-head,
.page-faq .faq-search-section .section-head,
.page-faq .faq-qa-section .section-head,
.page-faq .faq-fit-section .section-head {
  max-width: 76ch;
}

/* ---------- 六章目录 ---------- */
.page-faq .faq-chapter-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-chapters {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line-ink);
}

.page-faq .faq-chapter {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 6px 16px 0;
  border-bottom: 1px solid var(--faq-line-ink);
}

.page-faq .faq-chapter::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(212, 166, 74, 0));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.page-faq .faq-chapter:hover::before {
  opacity: 1;
}

.page-faq .faq-ch-num {
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .faq-ch-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-black);
}

.page-faq .faq-ch-new {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 6px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  color: #2b7d6e;
  border: 1px solid var(--celadon);
  border-radius: 2px;
  vertical-align: middle;
  white-space: nowrap;
}

.page-faq .faq-ch-body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 图片基座 ---------- */
.page-faq .faq-figure,
.page-faq .faq-search-figure {
  margin: 0;
  border: 1px solid var(--line-gold);
  background: var(--paper-deep);
}

.page-faq .faq-search-figure {
  margin-top: clamp(26px, 4vw, 42px);
  background: rgba(14, 42, 69, 0.6);
}

.page-faq .faq-figure img,
.page-faq .faq-search-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure .figure-caption,
.page-faq .faq-search-figure .figure-caption {
  padding: 10px 14px 12px;
  font-family: var(--font-ui);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-faq .faq-search-figure .figure-caption {
  color: rgba(244, 240, 232, 0.62);
}

/* ---------- 检索技巧 ---------- */
.page-faq .faq-search-section {
  color: var(--paper);
  background:
    radial-gradient(90% 70% at 10% 0%, rgba(55, 224, 208, 0.1), transparent 62%),
    linear-gradient(180deg, var(--ink-deep) 0%, #0b2338 100%);
}

.page-faq .faq-search-section .section-title {
  color: #ffffff;
}

.page-faq .faq-search-section .lead {
  color: rgba(244, 240, 232, 0.78);
}

.page-faq .faq-search-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-search-demo {
  padding: 16px;
  border: 1px solid var(--line-gold);
  background: rgba(14, 42, 69, 0.92);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-demo-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-demo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(167, 180, 192, 0.42);
}

.page-faq .faq-demo-label {
  margin-left: auto;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-demo-field {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 10px 12px;
  border: 1px solid var(--cyan);
  background: rgba(7, 30, 51, 0.88);
}

.page-faq .faq-demo-text {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-ui);
  font-size: 13.5px;
  color: rgba(244, 240, 232, 0.92);
}

.page-faq .faq-hl {
  font-style: normal;
  padding: 0 2px;
  color: var(--cyan);
  background: rgba(55, 224, 208, 0.2);
}

.page-faq .faq-demo-btn {
  flex: 0 0 auto;
  padding: 5px 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  color: #ffffff;
  background: var(--coral);
}

.page-faq .faq-demo-words {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-demo-words li {
  padding: 4px 10px;
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--gold-light);
  border: 1px solid rgba(212, 166, 74, 0.36);
}

.page-faq .faq-demo-result {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 14px 0 0;
  font-family: var(--font-ui);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--celadon);
}

.page-faq .faq-demo-result::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 3px rgba(63, 174, 154, 0.18);
}

.page-faq .faq-tips {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tip {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(212, 166, 74, 0.18);
}

.page-faq .faq-tip:first-child {
  border-top: 1px solid rgba(212, 166, 74, 0.18);
}

.page-faq .faq-tip-num {
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-tip h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
}

.page-faq .faq-tip p {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 240, 232, 0.72);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa-section {
  background: var(--paper-lift);
}

.page-faq .faq-qa {
  margin-top: clamp(22px, 4vw, 36px);
  border-top: 1px solid var(--faq-line-ink);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-line-ink);
}

.page-faq .faq-q-head {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 10px;
  padding: 17px 4px;
  list-style: none;
  cursor: pointer;
  transition: background 0.25s var(--ease);
}

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

.page-faq .faq-q-num {
  padding-top: 2px;
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .faq-q-text {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-black);
}

.page-faq .faq-q-icon {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 4px;
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-faq .faq-q-icon::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 1.5px;
}

.page-faq .faq-q-icon::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1.5px;
}

.page-faq .faq-q[open] .faq-q-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-q[open] .faq-q-head {
  background: rgba(212, 166, 74, 0.08);
}

.page-faq .faq-q-body {
  padding: 0 4px 20px;
}

.page-faq .faq-q-body p {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

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

.page-faq .faq-q-body a {
  color: #1a6f62;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 多终端适配 ---------- */
.page-faq .faq-fit-section {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
}

.page-faq .faq-fit-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 4vw, 38px);
}

.page-faq .faq-fit-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-gold);
}

.page-faq .faq-fit-facts li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--faq-line-ink);
}

.page-faq .faq-fit-key {
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-fit-val {
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-black);
}

.page-faq .faq-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-gold);
  background: var(--paper-lift);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--faq-line-ink);
}

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

.page-faq .faq-check input {
  -webkit-appearance: none;
  appearance: none;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  padding: 0;
  border: 1px solid var(--gold);
  background: #ffffff;
  cursor: pointer;
  position: relative;
}

.page-faq .faq-check input:checked {
  background: var(--celadon);
  border-color: var(--celadon);
}

.page-faq .faq-check input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
  transform: rotate(40deg);
}

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

.page-faq .faq-check label {
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-black);
  cursor: pointer;
}

/* ---------- 帮助渠道 ---------- */
.page-faq .faq-help-section {
  background: var(--paper-deep);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-faq .faq-help-panel {
  padding: clamp(24px, 4vw, 46px);
  color: var(--paper);
  border-top: 2px solid var(--gold);
  background:
    radial-gradient(80% 90% at 100% 0%, rgba(242, 107, 78, 0.14), transparent 58%),
    linear-gradient(150deg, var(--ink-deep) 0%, var(--panel-blue) 100%);
  box-shadow: var(--shadow-frame);
}

.page-faq .faq-help-title {
  color: #ffffff;
}

.page-faq .faq-help-lead {
  color: rgba(244, 240, 232, 0.8);
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-faq .faq-help-block {
  padding-top: 16px;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-help-block-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold-light);
}

.page-faq .faq-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact-list li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 8px;
  padding: 7px 0;
}

.page-faq .faq-contact-key {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-contact-value {
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(244, 240, 232, 0.92);
  word-break: break-word;
}

.page-faq .faq-prepare-list {
  margin: 0;
  padding-left: 18px;
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(244, 240, 232, 0.78);
}

.page-faq .faq-prepare-list li::marker {
  color: var(--gold);
  font-family: var(--font-num);
}

.page-faq .faq-help-text {
  margin: 0 0 12px;
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(244, 240, 232, 0.78);
}

.page-faq .faq-help-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 224, 208, 0.5);
  padding-bottom: 2px;
}

.page-faq .faq-help-actions {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-btn-onDark {
  color: var(--paper);
  border-color: rgba(212, 166, 74, 0.6);
}

.page-faq .faq-foot-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-family: var(--font-ui);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-foot-note a {
  color: #1a6f62;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-step {
    padding: 24px 20px 26px;
  }

  .page-faq .faq-fit-facts li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-chapter-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-faq .faq-search-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-faq .faq-fit-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-faq .faq-q-head {
    grid-template-columns: 48px minmax(0, 1fr) 18px;
    padding: 19px 6px;
  }

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

  .page-faq .faq-q-body {
    padding: 0 60px 22px 54px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-title {
    font-size: clamp(38px, 3.4vw, 50px);
  }

  .page-faq .faq-step-num {
    font-size: 38px;
  }

  .page-faq .faq-ch-num {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chapter::before,
  .page-faq .faq-q-head,
  .page-faq .faq-q-icon::before,
  .page-faq .faq-q-icon::after {
    transition: none;
  }
}