.page-faq {
  position: relative;
  background: linear-gradient(180deg, #F5F7FA 0%, #FFFFFF 22%, #F5F7FA 100%);
}

/* ===== Hero 搜索区 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-md) 0 var(--space-lg);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(0, 194, 199, .16), rgba(30, 144, 255, .08) 60%, transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 42%;
  left: -60px;
  width: 180px;
  height: 180px;
  border-radius: var(--radius-pill);
  background: rgba(255, 140, 0, .08);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-md);
}

.page-faq .crumb-sep {
  margin: 0 8px;
  color: var(--color-muted);
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.page-faq .faq-hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq .faq-hero-copy h1 {
  font-size: clamp(2rem, 5.2vw, 3.3rem);
  line-height: 1.18;
  letter-spacing: .01em;
  font-weight: 700;
  color: var(--color-text);
  margin: .4rem 0 .8rem;
  max-width: 680px;
}

.page-faq .faq-hero-copy .lead {
  margin: 0 0 1.4rem;
  max-width: 560px;
  color: var(--color-soft-text);
  line-height: 1.85;
}

.page-faq .faq-search {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 560px;
  background: var(--color-surface);
  border: 1.5px solid rgba(30, 144, 255, .22);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(30, 144, 255, .08);
  padding: 4px 8px 4px 18px;
  transition: border-color .25s ease, box-shadow .25s ease;
}

.page-faq .faq-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(30, 144, 255, .12);
}

.page-faq .faq-search-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.page-faq .faq-search-input {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 14px 12px;
  font: inherit;
  font-size: 1rem;
  color: var(--color-text);
  outline: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--color-muted);
}

.page-faq .faq-search-tip {
  color: var(--color-muted);
  font-size: .85rem;
  margin: .6rem 0 0 .25rem;
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
  width: 100%;
  max-width: 560px;
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 96px;
}

.page-faq .faq-fact .data-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary-deep);
  line-height: 1.2;
}

.page-faq .faq-fact .data-label {
  color: var(--color-muted);
  font-size: .85rem;
}

.page-faq .faq-hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(26, 42, 72, .08);
}

.page-faq .faq-hero-visual::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
}

.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: inherit;
}

/* ===== 问题分类 ===== */
.page-faq .faq-topics {
  padding: var(--space-lg) 0;
}

.page-faq .faq-topics .section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .4rem;
}

.page-faq .faq-topics-desc {
  color: var(--color-muted);
  max-width: 480px;
  line-height: 1.7;
  margin: 0;
}

.page-faq .faq-topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.page-faq .faq-topic-card {
  --topic-accent: var(--color-primary);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  padding-top: calc(var(--space-md) + 10px);
  box-shadow: 0 12px 32px rgba(26, 42, 72, .08);
  text-decoration: none;
  color: var(--color-text);
  border: 1px solid rgba(30, 144, 255, .1);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.page-faq .faq-topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(26, 42, 72, .13);
  border-color: rgba(30, 144, 255, .22);
}

.page-faq .faq-topic-card--blue {
  --topic-accent: var(--color-primary);
}

.page-faq .faq-topic-card--teal {
  --topic-accent: var(--color-teal);
}

.page-faq .faq-topic-card--purple {
  --topic-accent: var(--color-purple);
}

.page-faq .faq-topic-card--orange {
  --topic-accent: var(--color-accent);
}

.page-faq .faq-topic-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--space-md);
  right: var(--space-md);
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: var(--topic-accent);
}

.page-faq .faq-topic-num {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 2.2rem;
  font-weight: 200;
  line-height: 1;
  font-family: var(--font-heading);
  color: var(--topic-accent);
  opacity: .3;
}

.page-faq .faq-topic-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.page-faq .faq-topic-head svg {
  color: var(--topic-accent);
  flex-shrink: 0;
}

.page-faq .faq-topic-head h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.page-faq .faq-topic-card p {
  font-size: .92rem;
  color: var(--color-soft-text);
  line-height: 1.75;
  margin: 0;
  flex: 1;
}

.page-faq .faq-topic-card .tag {
  align-self: flex-start;
}

/* ===== 热门问题 / 手风琴 ===== */
.page-faq .faq-questions {
  padding: var(--space-lg) 0 var(--space-xl);
  background: rgba(230, 240, 249, .5);
  border-radius: 0;
}

.page-faq .faq-q-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.page-faq .faq-q-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq .faq-q-side h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  font-weight: 700;
  margin: .4rem 0 .8rem;
  color: var(--color-text);
}

.page-faq .faq-q-side-desc {
  color: var(--color-soft-text);
  line-height: 1.8;
  margin: 0;
}

.page-faq .faq-q-side-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: var(--space-md) 0;
  padding: var(--space-sm);
  background: var(--color-info-bg);
  border-radius: var(--radius-md);
  color: var(--color-primary-deep);
  font-size: .9rem;
  line-height: 1.6;
}

.page-faq .faq-q-note-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  font-weight: 700;
}

.page-faq .faq-q-side-btn {
  width: 100%;
}

.page-faq .faq-acc-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.page-faq .faq-acc-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid rgba(30, 144, 255, .1);
  box-shadow: 0 4px 16px rgba(26, 42, 72, .05);
  transition: box-shadow .25s ease, border-color .25s ease;
  overflow: hidden;
}

.page-faq .faq-acc-item:hover {
  box-shadow: 0 10px 26px rgba(26, 42, 72, .1);
}

.page-faq .faq-acc-item[open] {
  border-color: rgba(30, 144, 255, .25);
  box-shadow: 0 10px 26px rgba(26, 42, 72, .1);
}

.page-faq .faq-acc-item:target {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 140, 0, .15);
}

.page-faq .faq-acc-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: var(--space-md);
  font-weight: 600;
  color: var(--color-text);
  outline: none;
}

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

.page-faq .faq-acc-item summary::after {
  content: "+";
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(30, 144, 255, .1);
  color: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 600;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}

.page-faq .faq-acc-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: #fff;
}

.page-faq .faq-acc-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-info-bg);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: .9rem;
  font-weight: 700;
  transition: background .25s ease, color .25s ease;
}

.page-faq .faq-acc-item[open] .faq-acc-index {
  background: var(--color-primary);
  color: #fff;
}

.page-faq .faq-acc-q {
  flex: 1;
  line-height: 1.5;
  font-size: .98rem;
}

.page-faq .faq-acc-a {
  padding: 2px var(--space-md) var(--space-md) calc(var(--space-md) + 48px);
  color: var(--color-soft-text);
  line-height: 1.85;
}

.page-faq .faq-acc-a p + p {
  margin-top: .6rem;
}

.page-faq .faq-acc-a .btn {
  margin-top: var(--space-sm);
}

.page-faq .faq-acc-img-wrap {
  margin-top: var(--space-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-info-bg);
}

.page-faq .faq-acc-img-wrap img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ===== 联系支持 ===== */
.page-faq .faq-support {
  padding: 0 0 var(--space-xl);
}

.page-faq .faq-support-panel {
  position: relative;
  background: linear-gradient(130deg, #112B3C 0%, #0D3B4F 60%, #105F78 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  overflow: hidden;
}

.page-faq .faq-support-panel::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 24px solid rgba(0, 194, 199, .16);
  pointer-events: none;
}

.page-faq .faq-support-panel::after {
  content: "";
  position: absolute;
  bottom: -70px;
  left: -20px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 140, 0, .1);
  pointer-events: none;
}

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

.page-faq .faq-support-info .eyebrow {
  color: var(--color-teal);
}

.page-faq .faq-support-info h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  margin: .4rem 0 .8rem;
  color: #fff;
}

.page-faq .faq-support-desc {
  color: rgba(255, 255, 255, .75);
  max-width: 640px;
  line-height: 1.8;
  margin: 0;
}

.page-faq .faq-support-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.page-faq .faq-channel {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  transition: background .25s ease;
}

.page-faq .faq-channel:hover {
  background: rgba(255, 255, 255, .14);
}

.page-faq .faq-channel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(30, 144, 255, .3);
  color: #fff;
}

.page-faq .faq-channel-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-channel-text strong {
  font-size: .85rem;
  color: rgba(255, 255, 255, .65);
  font-weight: 600;
}

.page-faq .faq-channel-text span {
  font-weight: 700;
  word-break: break-word;
}

.page-faq .faq-support-stamp {
  position: relative;
  z-index: 1;
  align-self: center;
  justify-self: center;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 40px rgba(255, 140, 0, .35);
  transform: rotate(6deg);
}

.page-faq .faq-stamp-num {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: #fff;
}

.page-faq .faq-stamp-label {
  margin-top: 6px;
  color: rgba(255, 255, 255, .85);
  font-size: .85rem;
  letter-spacing: .08em;
}

/* ===== 信任声明 ===== */
.page-faq .faq-trust {
  padding-bottom: var(--space-lg);
}

.page-faq .faq-trust-text {
  text-align: center;
  color: var(--color-muted);
  font-size: .9rem;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== 响应式增强 ===== */
@media (min-width: 640px) {
  .page-faq .faq-topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-support-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-support-panel {
    padding: var(--space-lg);
  }

  .page-faq .faq-q-side-btn {
    width: auto;
  }
}

@media (min-width: 992px) {
  .page-faq .faq-hero {
    padding-top: var(--space-lg);
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: var(--space-xl);
  }

  .page-faq .faq-topic-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-q-grid {
    grid-template-columns: .85fr 1.6fr;
    align-items: start;
    gap: var(--space-xl);
  }

  .page-faq .faq-q-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-support-panel {
    grid-template-columns: 1.4fr .6fr;
    padding: var(--space-xl);
  }
}