.page-faq {
  --faq-line: rgba(57, 255, 20, 0.14);
  --faq-glow: 0 0 18px rgba(57, 255, 20, 0.16);
  font-family: var(--font-body);
  background:
    radial-gradient(1100px 420px at 90% -4%, rgba(57, 255, 20, 0.12), transparent 60%),
    radial-gradient(780px 360px at 4% 22%, rgba(0, 229, 255, 0.08), transparent 52%),
    var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  min-height: 100vh;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .faq-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

/* 面包屑 */
.page-faq .faq-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 2px 20px;
  font-size: 13px;
  letter-spacing: 0.05em;
}

.page-faq .faq-crumb .breadcrumb,
.page-faq .faq-crumb .breadcrumb-sep,
.page-faq .faq-crumb .breadcrumb-current {
  color: var(--color-text-dim);
  text-decoration: none;
}

.page-faq .faq-crumb .breadcrumb:hover {
  color: var(--color-link);
}

.page-faq .faq-crumb .breadcrumb-current {
  color: var(--color-accent);
  font-weight: 600;
}

.page-faq .faq-crumb .breadcrumb-sep {
  opacity: 0.5;
}

/* 英雄区 */
.page-faq .faq-hero {
  position: relative;
  padding: 12px 0 10px;
}

.page-faq .faq-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--color-gold);
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.24);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 16px;
}

.page-faq .faq-hero-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  max-width: 900px;
  transform: skewX(-2deg);
}

.page-faq .faq-hero-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-dim);
  max-width: 780px;
  margin-bottom: 22px;
}

/* 搜索 */
.page-faq .faq-search {
  position: relative;
  max-width: 640px;
  margin-bottom: 22px;
}

.page-faq .faq-search-ico {
  position: absolute;
  left: 16px;
  top: 50%;
  width: 20px;
  height: 20px;
  transform: translateY(-50%);
  color: var(--color-accent);
  pointer-events: none;
}

.page-faq .faq-search-ico circle,
.page-faq .faq-search-ico path {
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.page-faq #faq-input {
  width: 100%;
  background: rgba(28, 37, 65, 0.7);
  border: 1px solid rgba(57, 255, 20, 0.2);
  border-radius: 999px;
  padding: 14px 18px 14px 48px;
  font-size: 14px;
  color: var(--color-text);
  font-family: var(--font-body);
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-faq #faq-input:focus {
  border-color: var(--color-accent);
  box-shadow: var(--faq-glow);
}

.page-faq #faq-input::placeholder {
  color: #64748B;
}

/* 热门 chips */
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 999px;
  color: var(--color-text-dim);
  font-size: 13px;
  text-decoration: none;
  background: rgba(28, 37, 65, 0.4);
  transition: all 0.25s ease;
}

.page-faq .faq-chip:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: var(--faq-glow);
}

/* 目录 */
.page-faq .faq-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding: 14px 18px;
  margin-top: 4px;
  background: rgba(28, 37, 65, 0.55);
  border-left: 3px solid var(--color-accent);
  border-radius: 2px 12px 12px 2px;
}

.page-faq .faq-toc-label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--color-gold);
}

.page-faq .faq-toc a {
  color: var(--color-text-dim);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.25s ease;
}

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

/* 分区列表 */
.page-faq .faq-sections {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-faq .faq-section {
  position: relative;
  background: rgba(28, 37, 65, 0.3);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: var(--radius);
  padding: 26px 20px 12px;
  overflow: hidden;
  scroll-margin-top: 24px;
}

.page-faq .faq-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 60%);
}

/* 分区头 */
.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.page-faq .faq-section-icon-wrap {
  position: relative;
  display: inline-flex;
}

.page-faq .faq-section-icon {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(57, 255, 20, 0.55);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.08), var(--faq-glow);
  transform: rotate(-4deg);
}

.page-faq .faq-section-index {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.page-faq .faq-section-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.2;
  margin: 0 0 4px;
}

.page-faq .faq-section-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-dim);
}

/* 问答对话区 */
.page-faq .faq-dialog {
  display: grid;
}

.page-faq .faq-item {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--faq-line);
  background: rgba(11, 16, 38, 0.18);
  transition: background 0.3s ease;
}

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

.page-faq .faq-item[open] {
  background: rgba(57, 255, 20, 0.045);
}

/* 问题列 */
.page-faq .faq-q {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 40px 18px 2px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-text);
  position: relative;
  transition: color 0.25s ease;
}

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

.page-faq .faq-q::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-text-dim);
  transition: color 0.25s ease;
}

.page-faq .faq-item[open] .faq-q::after {
  content: "−";
  color: var(--color-accent);
}

.page-faq .faq-q:hover {
  color: var(--color-accent);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--color-accent);
}

.page-faq .faq-q-mark {
  flex: 0 0 auto;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--color-gold);
  border: 1px solid rgba(255, 215, 0, 0.35);
  border-radius: 5px;
  padding: 3px 8px;
  transform: skewX(-8deg);
  background: rgba(255, 215, 0, 0.06);
}

/* 答案列 */
.page-faq .faq-a {
  padding: 4px 2px 22px 36px;
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.78;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a-mark {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.page-faq .faq-hl {
  color: var(--color-accent);
  font-weight: 700;
}

.page-faq .faq-tip-label {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  background: rgba(255, 215, 0, 0.12);
  border: 1px solid rgba(255, 215, 0, 0.28);
  border-radius: 4px;
  padding: 2px 7px;
  margin-right: 6px;
}

.page-faq .faq-a-tip {
  font-size: 13px;
  background: rgba(57, 255, 20, 0.05);
  border-left: 2px solid var(--color-accent);
  padding: 9px 13px;
  border-radius: 0 6px 6px 0;
}

/* 底部支持横幅 */
.page-faq .faq-support {
  margin-top: 30px;
  background: rgba(28, 37, 65, 0.45);
  border: 1px solid rgba(57, 255, 20, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
}

.page-faq .faq-support-img {
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-support-copy {
  padding: 26px 24px 30px;
}

.page-faq .faq-support-copy h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  margin: 6px 0 10px;
  line-height: 1.25;
}

.page-faq .faq-support-copy p {
  color: var(--color-text-dim);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 12px;
  max-width: 680px;
}

.page-faq .faq-support-contact {
  font-size: 13px;
  color: var(--color-text);
  background: rgba(57, 255, 20, 0.06);
  border-left: 2px solid var(--color-accent);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
}

.page-faq .faq-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-btn-outline {
  border: 1px solid rgba(0, 229, 255, 0.45);
  color: var(--color-link);
  background: transparent;
}

.page-faq .faq-btn-outline:hover {
  background: rgba(0, 229, 255, 0.1);
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-faq .faq-wrap {
    padding: 32px 32px 56px;
  }

  .page-faq .faq-section {
    padding: 32px 34px 16px;
  }

  .page-faq .faq-section-head {
    grid-template-columns: 90px 1fr;
    gap: 24px;
    margin-bottom: 20px;
  }

  .page-faq .faq-section-icon {
    width: 90px;
    height: 90px;
    border-radius: 22px;
  }

  .page-faq .faq-item {
    grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
    column-gap: 0;
  }

  .page-faq .faq-q {
    padding: 20px 22px 20px 4px;
  }

  .page-faq .faq-q::after {
    right: 16px;
  }

  .page-faq .faq-a {
    grid-column: 2;
    grid-row: 1;
    padding: 20px 4px 20px 26px;
    border-left: 1px solid var(--faq-line);
  }
}

@media (min-width: 920px) {
  .page-faq .faq-support {
    grid-template-columns: 46% 1fr;
  }

  .page-faq .faq-support-img {
    height: 100%;
    min-height: 260px;
    max-height: 320px;
    border-bottom: 0;
    border-right: 1px solid var(--faq-line);
  }

  .page-faq .faq-support-copy {
    align-self: center;
    padding: 40px 42px;
  }
}