.page-faq {
  --faq-pad: clamp(18px, 2.6vw, 28px);
  --faq-gap: clamp(14px, 2vw, 22px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(26px, 4.5vw, 52px);
  background:
    linear-gradient(152deg, rgba(10, 42, 74, .92) 0%, rgba(4, 16, 31, .35) 58%, rgba(4, 16, 31, .95) 100%),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 72px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 38%;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--cyan));
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 3.6vw, 34px);
}

.page-faq .faq-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  margin: 0 0 clamp(14px, 2.4vw, 20px);
}

.page-faq .faq-hero-copy .lead {
  max-width: 56ch;
  color: var(--text-2);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.75;
  margin: 0;
}

.page-faq .faq-hero-note {
  margin: 16px 0 0;
  font-size: .94rem;
  color: var(--text-3);
}

.page-faq .faq-hero-note a,
.page-faq .faq-contact a,
.page-faq .faq-intro a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(64, 240, 208, .45);
}

.page-faq .faq-hero-note a:hover,
.page-faq .faq-contact a:hover,
.page-faq .faq-intro a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-faq .faq-hero-panel {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-self: end;
}

.page-faq .faq-hero-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(10, 42, 74, .78);
}

.page-faq .faq-hero-stat .stat-num {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-hero-stat .stat-label {
  font-size: .9rem;
  color: var(--text-2);
}

/* ---------- 分类胶囊 ---------- */
.page-faq .faq-cats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
}

.page-faq .faq-cats a {
  display: inline-block;
  padding: 7px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(10, 42, 74, .6);
  color: var(--text);
  font-size: .88rem;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}

.page-faq .faq-cats a:hover,
.page-faq .faq-cats a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(64, 240, 208, .08);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-faq .faq-toc {
  border-left: 2px solid var(--line);
  padding-left: 16px;
}

.page-faq .faq-toc .toc-title {
  margin-bottom: 10px;
}

.page-faq .faq-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.page-faq .faq-toc a {
  display: block;
  padding: 5px 0;
  color: var(--text-2);
  font-size: .92rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-toc a:hover {
  color: var(--text);
}

.page-faq .faq-toc a[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 110px;
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(34px, 5vw, 60px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 16px;
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -.005em;
  margin: 0;
}

.page-faq .faq-intro {
  max-width: 66ch;
  margin: clamp(12px, 2vw, 18px) 0 0;
  color: var(--text-2);
  line-height: 1.75;
}

.page-faq .faq-intro--after {
  margin-top: clamp(16px, 2.4vw, 22px);
  padding-left: 14px;
  border-left: 2px solid var(--coral);
  color: var(--text);
}

/* ---------- 三步流程 ---------- */
.page-faq .faq-flow {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-flow-item {
  padding: var(--faq-pad);
  background: linear-gradient(158deg, rgba(18, 70, 111, .55), rgba(4, 16, 31, .92));
}

.page-faq .faq-flow-num {
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-faq .faq-flow-item h3 {
  margin: 10px 0 8px;
  font-size: 1.12rem;
  font-family: var(--font-display);
}

.page-faq .faq-flow-item p {
  margin: 0;
  color: var(--text-2);
  font-size: .95rem;
  line-height: 1.7;
}

.page-faq .faq-flow-meta {
  margin-top: 16px !important;
  color: var(--text-3) !important;
  font-size: .76rem !important;
  letter-spacing: .1em;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink-1);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  color: var(--text-3);
  font-size: .84rem;
  line-height: 1.6;
}

.page-faq .faq-figure--narrow {
  max-width: 640px;
}

/* ---------- 六步卡片 ---------- */
.page-faq .faq-checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 24px);
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: rgba(10, 42, 74, .42);
  transition: border-color .2s ease, transform .2s ease;
}

.page-faq .faq-check:hover {
  border-color: var(--cyan);
  border-left-color: var(--coral);
  transform: translateX(2px);
}

.page-faq .faq-check-num {
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1;
  color: var(--cyan);
  opacity: .85;
}

.page-faq .faq-check-body h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.4;
}

.page-faq .faq-check-body p {
  margin: 0 0 10px;
  color: var(--text-2);
  font-size: .95rem;
  line-height: 1.72;
}

.page-faq .faq-check-rule {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 !important;
  color: var(--text) !important;
  font-size: .92rem !important;
}

.page-faq .faq-check-rule .tag {
  flex: 0 0 auto;
}

/* ---------- 表格 ---------- */
.page-faq .faq-table-wrap {
  margin-top: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: .94rem;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-table tbody tr:hover td {
  background: rgba(64, 240, 208, .05);
}

/* ---------- 加载与通知卡片 ---------- */
.page-faq .faq-cards {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-card {
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(18, 70, 111, .32), rgba(4, 16, 31, .9));
}

.page-faq .faq-card h3 {
  margin: 12px 0 8px;
  font-size: 1.04rem;
  line-height: 1.4;
}

.page-faq .faq-card p {
  margin: 0;
  color: var(--text-2);
  font-size: .94rem;
  line-height: 1.72;
}

/* ---------- 反馈材料 ---------- */
.page-faq .faq-materials {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-material {
  padding: 18px 20px;
  background: var(--ink-0);
}

.page-faq .faq-material strong {
  display: block;
  margin-bottom: 6px;
  color: var(--cyan-soft);
  font-size: .95rem;
  font-weight: 700;
}

.page-faq .faq-material span {
  color: var(--text-2);
  font-size: .9rem;
  line-height: 1.7;
}

.page-faq .faq-contact {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--coral);
  background: rgba(255, 106, 77, .07);
}

.page-faq .faq-contact p {
  margin: 0;
  color: var(--text);
  font-size: .95rem;
  line-height: 1.75;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  display: grid;
  gap: clamp(24px, 3.4vw, 36px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-index-group {
  padding-top: 16px;
  border-top: 2px solid var(--line);
}

.page-faq .faq-index-group .faq-index-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}

.page-faq .faq-index-count {
  color: var(--text-3);
  font-size: .78rem;
  letter-spacing: .08em;
}

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

.page-faq .faq-fold summary {
  cursor: pointer;
  padding: 14px 0;
  color: var(--text);
  font-size: .98rem;
  line-height: 1.5;
  transition: color .2s ease;
}

.page-faq .faq-fold summary:hover {
  color: var(--cyan);
}

.page-faq .faq-fold .fold-body p {
  margin: 0 0 14px;
  max-width: 66ch;
  color: var(--text-2);
  font-size: .93rem;
  line-height: 1.75;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 820px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-materials {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-index {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(24px, 3vw, 36px) clamp(24px, 3.4vw, 44px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
    border-left: none;
    border-top: 2px solid var(--cyan);
    padding-left: 0;
    padding-top: 14px;
  }

  .page-faq .faq-toc ul {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-faq .faq-toc a {
    padding: 7px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-check,
  .page-faq .faq-cats a,
  .page-faq .faq-toc a,
  .page-faq .faq-fold summary {
    transition: none;
  }

  .page-faq .faq-check:hover {
    transform: none;
  }
}