/* ===== 使用帮助页 ===== */
.page-faq {
  display: block;
  padding-bottom: clamp(56px, 7vw, 104px);
}

/* --- 面包屑 --- */
.page-faq .breadcrumb {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(16px, 2.6vw, 32px) 0 clamp(26px, 3.6vw, 44px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(36px, 5vw, 64px);
}

.page-faq .faq-hero::after {
  content: "FAQ";
  position: absolute;
  top: clamp(-6px, -0.5vw, 0px);
  right: 0;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(52px, 11vw, 132px);
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(138, 148, 166, 0.32);
  pointer-events: none;
  user-select: none;
}

.page-faq .faq-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 88px);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--paper);
  margin: 10px 0 clamp(16px, 2vw, 24px);
}

.page-faq .faq-lead {
  max-width: 40em;
  margin: 0;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: rgba(242, 239, 231, 0.78);
}

/* --- 自查三步 --- */
.page-faq .faq-steps {
  margin-bottom: clamp(38px, 5vw, 68px);
}

.page-faq .faq-steps-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.006em;
  color: var(--paper);
  margin: 0 0 clamp(16px, 2vw, 22px);
}

.page-faq .faq-step-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-step {
  background: var(--panel);
  padding: clamp(19px, 2.3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 9px;
  position: relative;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gold);
  opacity: 0.7;
}

.page-faq .faq-step .num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(36px, 4.8vw, 60px);
  line-height: 1;
  color: var(--gold);
  opacity: 0.82;
}

.page-faq .faq-step h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--paper);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: clamp(14px, 1vw, 15px);
  line-height: 1.82;
  color: rgba(242, 239, 231, 0.7);
}

/* --- 分组跳转 --- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: clamp(18px, 2.2vw, 26px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(34px, 4.6vw, 58px);
}

.page-faq .faq-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  color: rgba(242, 239, 231, 0.86);
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-jump-link--ice { --faq-accent: var(--ice); }
.page-faq .faq-jump-link--gold { --faq-accent: var(--gold); }
.page-faq .faq-jump-link--violet { --faq-accent: var(--violet); }
.page-faq .faq-jump-link--moss { --faq-accent: var(--moss); }

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--faq-accent, var(--ice));
  background: rgba(255, 255, 255, 0.04);
  outline: none;
}

.page-faq .faq-jump-link:focus-visible {
  box-shadow: 0 0 0 2px var(--gold);
}

/* --- 分组 --- */
.page-faq .faq-group {
  margin-bottom: clamp(40px, 5vw, 72px);
  scroll-margin-top: calc(var(--top-h) + 24px);
}

.page-faq .faq-group--ice { --faq-accent: var(--ice); }
.page-faq .faq-group--gold { --faq-accent: var(--gold); }
.page-faq .faq-group--violet { --faq-accent: var(--violet); }
.page-faq .faq-group--moss { --faq-accent: var(--moss); }

.page-faq .faq-group-head {
  padding: 4px 0 4px 18px;
  border-left: 4px solid var(--faq-accent, var(--ice));
  margin-bottom: clamp(18px, 2.2vw, 28px);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 34px);
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-scene {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 239, 231, 0.56);
}

/* --- 图示 --- */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 239, 231, 0.55);
}

.page-faq .faq-group--violet .faq-figure img {
  aspect-ratio: 22 / 13;
}

/* --- 问答手风琴 --- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-accent, var(--ice));
  background: #16213180;
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(15px, 1.8vw, 20px) clamp(16px, 2vw, 24px);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.62;
  color: var(--paper);
  transition: color 0.18s ease;
}

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

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

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-mark {
  flex: 0 0 auto;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid var(--faq-accent, var(--ice));
  transition: background-color 0.18s ease;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--faq-accent, var(--ice));
  transform: translate(-50%, -50%);
}

.page-faq .faq-mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-mark::after {
  width: 1.5px;
  height: 10px;
  transition: opacity 0.18s ease;
}

.page-faq .faq-item[open] .faq-mark {
  background: rgba(255, 255, 255, 0.06);
}

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

.page-faq .faq-a {
  position: relative;
  padding: 0 clamp(16px, 2vw, 24px) clamp(18px, 2vw, 24px) calc(clamp(16px, 2vw, 24px) + 36px);
}

.page-faq .faq-a::before {
  content: "";
  position: absolute;
  left: calc(clamp(16px, 2vw, 24px) + 10px);
  top: 2px;
  bottom: clamp(18px, 2vw, 24px);
  width: 2px;
  background: var(--faq-accent, var(--ice));
  opacity: 0.45;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.86;
  color: rgba(242, 239, 231, 0.78);
}

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

/* --- 联系引导 --- */
.page-faq .faq-cta {
  margin-top: clamp(38px, 5vw, 70px);
  padding: clamp(24px, 3.2vw, 44px);
  border: 1px solid var(--gold-line);
  background:
    linear-gradient(180deg, rgba(232, 180, 74, 0.1), rgba(232, 180, 74, 0) 62%),
    var(--panel);
}

.page-faq .faq-cta h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 32px);
  letter-spacing: -0.006em;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-cta > p {
  max-width: 42em;
  margin: 0 0 22px;
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.86;
  color: rgba(242, 239, 231, 0.78);
}

.page-faq .faq-cta > p .link-arrow {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-faq .faq-cta-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-cta-list li {
  position: relative;
  padding-left: 24px;
  font-size: clamp(14px, 1.02vw, 15px);
  line-height: 1.8;
  color: rgba(242, 239, 231, 0.8);
}

.page-faq .faq-cta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 12px;
  height: 2px;
  background: var(--gold);
}

@media (min-width: 760px) {
  .page-faq .faq-step-track {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-cta-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 28px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero::after {
    top: clamp(-10px, -0.8vw, 0px);
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero::after {
    font-size: clamp(48px, 19vw, 84px);
    opacity: 0.72;
  }

  .page-faq .faq-a {
    padding-left: clamp(16px, 2vw, 24px);
    padding-right: clamp(16px, 2vw, 24px);
  }

  .page-faq .faq-a::before {
    left: clamp(16px, 2vw, 24px);
    top: 4px;
  }

  .page-faq .faq-a p {
    padding-left: 22px;
  }

  .page-faq .faq-jump-link {
    padding: 8px 13px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump-link,
  .page-faq .faq-item,
  .page-faq .faq-mark,
  .page-faq .faq-mark::after {
    transition: none;
  }

  .page-faq .faq-jump-link:hover {
    transform: none;
  }
}