.page-faq {
  --faq-rail-w: 208px;
  background: var(--mist);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--navy);
  padding: clamp(44px, 7vw, 96px) 0 clamp(36px, 5vw, 68px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 420px at 88% -12%, rgba(200, 162, 74, 0.24), transparent 70%),
    radial-gradient(600px 300px at 4% 110%, rgba(62, 124, 140, 0.28), transparent 72%);
  pointer-events: none;
}

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

.page-faq .faq-hero__eyebrow {
  color: var(--gold-bright);
  letter-spacing: 0.16em;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.4vw, 66px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: rgba(245, 247, 250, 0.78);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 4vw, 54px);
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(200, 162, 74, 0.34);
}

.page-faq .faq-fact {
  min-width: 130px;
}

.page-faq .faq-fact dt {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(245, 247, 250, 0.6);
}

.page-faq .faq-fact dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 3px;
  flex-wrap: wrap;
}

.page-faq .faq-fact__num {
  font-family: var(--font-num);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--gold-bright);
}

.page-faq .faq-fact__unit {
  font-size: 14px;
  color: rgba(245, 247, 250, 0.72);
}

/* ---------- 主容器 ---------- */
.page-faq .faq-main {
  padding-top: clamp(26px, 4vw, 44px);
  padding-bottom: clamp(52px, 7vw, 96px);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
  font-size: 13px;
  color: var(--muted);
}

.page-faq .breadcrumb a {
  color: var(--sea);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .breadcrumb__sep {
  color: var(--line-gold);
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  max-width: 720px;
  margin: 0 0 clamp(30px, 4.5vw, 52px);
  border-radius: var(--radius-l);
  overflow: hidden;
  position: relative;
  background: var(--navy-2);
  border: 1px solid var(--line);
}

.page-faq .faq-inline-figure {
  margin: 0 0 clamp(18px, 2.5vw, 26px);
  border-radius: var(--radius-m);
  overflow: hidden;
  position: relative;
  background: var(--navy-2);
  border: 1px solid var(--line);
}

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

.page-faq .faq-figure::after,
.page-faq .faq-inline-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200, 162, 74, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 162, 74, 0.16) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

/* ---------- 骨架 ---------- */
.page-faq .faq-layout {
  display: block;
}

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

/* ---------- 分类索引 ---------- */
.page-faq .faq-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: clamp(22px, 3vw, 32px);
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .faq-rail::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail__label {
  display: none;
}

.page-faq .berth-rail__link {
  flex: 0 0 auto;
  display: block;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--navy);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .berth-rail__link:hover,
.page-faq .berth-rail__link:focus-visible {
  border-color: var(--gold);
  color: var(--navy);
}

.page-faq .berth-rail__link[aria-current="true"] {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--gold-bright);
}

/* ---------- 问题分组 ---------- */
.page-faq .qa-group {
  padding: clamp(30px, 4.4vw, 52px) 0;
  border-top: 1px solid var(--line);
}

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

.page-faq .qa-group__head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .qa-group__no {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--sea);
  margin-bottom: 10px;
}

.page-faq .qa-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3vw, 33px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-faq .qa-group__intro {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.88;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .accordion {
  display: grid;
  gap: 10px;
}

.page-faq .accordion__item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-faq .accordion__item:hover {
  border-color: var(--line-gold);
  box-shadow: var(--shadow-1);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--navy);
}

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

.page-faq .qa-q__num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .qa-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-q__icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 9px;
  margin-left: auto;
}

.page-faq .qa-q__icon::before,
.page-faq .qa-q__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .qa-q__icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .qa-q__icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .accordion__trigger[aria-expanded="false"] .qa-q__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .accordion__trigger[aria-expanded="false"] {
  color: var(--ink);
}

.page-faq .accordion__panel {
  background: var(--sand);
  border-top: 1px solid var(--line-gold);
  padding: 16px 20px 22px;
}

.page-faq .accordion__panel p {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.92;
  color: var(--ink);
}

.page-faq .accordion__panel p + p {
  margin-top: 10px;
}

/* ---------- 排查步骤 ---------- */
.page-faq .qa-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .qa-steps__item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 20px 22px 22px;
  transition: border-color 0.3s var(--ease);
}

.page-faq .qa-steps__item:hover {
  border-color: var(--line-gold);
}

.page-faq .qa-steps__num {
  display: block;
  width: fit-content;
  padding: 0 14px 8px 0;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--gold);
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--navy);
}

.page-faq .qa-steps__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy);
}

.page-faq .qa-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-support {
  position: relative;
  overflow: hidden;
  margin-top: clamp(34px, 5vw, 56px);
  padding: clamp(28px, 4vw, 52px);
  border-radius: var(--radius-l);
  background: var(--navy-deep);
  color: var(--paper);
}

.page-faq .faq-support::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 162, 74, 0.34), rgba(200, 162, 74, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-support__eyebrow {
  position: relative;
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-faq .faq-support__title {
  position: relative;
  margin: 0 0 14px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.9vw, 31px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-support__text {
  position: relative;
  margin: 0 0 22px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.92;
  color: rgba(245, 247, 250, 0.8);
}

.page-faq .faq-support__mail {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--gold-bright);
  word-break: break-all;
}

.page-faq .faq-support__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-support__link {
  color: var(--gold-bright);
  font-size: 15px;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.25s var(--ease);
}

.page-faq .faq-support__link:hover {
  color: var(--paper);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    margin-bottom: 0;
    padding: 2px 0 2px 18px;
    border-left: 2px solid var(--line-gold);
  }

  .page-faq .faq-rail__label {
    display: block;
    margin: 0 0 12px;
    font-family: var(--font-num);
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--sea);
  }

  .page-faq .berth-rail__link {
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--muted);
    font-size: 15px;
    white-space: normal;
    line-height: 1.6;
    transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
  }

  .page-faq .berth-rail__link:hover,
  .page-faq .berth-rail__link:focus-visible {
    color: var(--navy);
    padding-left: 6px;
  }

  .page-faq .berth-rail__link[aria-current="true"] {
    background: transparent;
    color: var(--navy);
    font-weight: 700;
    padding-left: 6px;
    box-shadow: inset 3px 0 0 var(--gold);
    padding-left: 12px;
  }

  .page-faq .qa-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .qa-steps__item:first-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1200px) {
  .page-faq .faq-hero__title {
    max-width: 17ch;
  }

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

  .page-faq .accordion__panel {
    padding: 18px 24px 26px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}