.page-faq {
  --faq-border: #E2E8F0;
  background: var(--mist);
  color: var(--slate);
}

/* 顶部 Hero */
.page-faq .faq-hero {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--deep-sea);
  margin-top: 24px;
  box-shadow: 0 12px 32px rgba(11, 31, 58, 0.18);
}

.page-faq .faq-hero__img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  opacity: 0.5;
  display: block;
}

@media (min-width: 768px) {
  .page-faq .faq-hero__img {
    height: 400px;
  }
}

.page-faq .faq-hero__content {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 24px;
  background: linear-gradient(180deg, rgba(11, 31, 58, 0.1) 0%, rgba(11, 31, 58, 0.82) 78%);
}

@media (min-width: 768px) {
  .page-faq .faq-hero__content {
    padding: 40px 48px;
  }
}

.page-faq .faq-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--neon);
  display: inline-block;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5vw, 3.8rem);
  line-height: 1.06;
  color: var(--white);
  margin: 10px 0 14px;
  max-width: 900px;
}

.page-faq .faq-hero__lead {
  color: rgba(245, 247, 250, 0.9);
  font-size: 1rem;
  max-width: 760px;
  margin: 0;
  line-height: 1.7;
}

/* 双栏布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 36px;
  align-items: start;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 44px;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: calc(var(--header-total) + 28px);
  }
}

/* 左侧索引 */
.page-faq .faq-sidebar {
  display: grid;
  gap: 20px;
}

.page-faq .faq-sidebar__card {
  background: var(--white);
  border: 1px solid var(--faq-border);
  border-radius: 16px 4px 16px 4px;
  padding: 22px;
}

.page-faq .faq-sidebar__card--highlight {
  border-top: 3px solid var(--orange);
}

.page-faq .faq-sidebar__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--deep-sea);
  margin: 0 0 16px;
  display: inline-block;
  border-bottom: 2px solid var(--neon);
  padding-bottom: 6px;
}

.page-faq .faq-sidebar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-sidebar__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px 2px 10px 2px;
  color: var(--steel);
  font-weight: 600;
  font-size: 0.93rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.page-faq .faq-sidebar__link::after {
  content: "→";
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-faq .faq-sidebar__link:hover,
.page-faq .faq-sidebar__link:focus-visible {
  background: rgba(57, 255, 20, 0.08);
  color: var(--deep-sea);
  border-color: rgba(57, 255, 20, 0.35);
}

.page-faq .faq-sidebar__link:hover::after {
  opacity: 1;
}

.page-faq .faq-sidebar__text {
  font-size: 0.86rem;
  color: var(--slate);
  line-height: 1.6;
  margin: 0 0 10px;
}

.page-faq .faq-sidebar__phone {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--deep-sea);
  margin: 4px 0 2px;
}

.page-faq .faq-sidebar__email {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--steel);
  margin-bottom: 14px;
  word-break: break-all;
}

/* 右侧主内容 */
.page-faq .faq-main {
  min-width: 0;
}

/* 热门问题 */
.page-faq .faq-hot {
  background: linear-gradient(135deg, var(--deep-sea), var(--ink) 65%, #103154);
  border-radius: 22px 5px 22px 5px;
  padding: 26px 22px;
  margin-bottom: 28px;
  color: var(--white);
}

.page-faq .faq-hot__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--white);
  margin: 6px 0 6px;
}

.page-faq .faq-hot__lead {
  color: rgba(245, 247, 250, 0.75);
  margin: 0 0 18px;
  line-height: 1.6;
  font-size: 0.95rem;
}

.page-faq .faq-hot__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: faq-hot-count;
}

.page-faq .faq-hot__list > li {
  counter-increment: faq-hot-count;
}

.page-faq .faq-hot__list a {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--faq-border);
  border-radius: 14px 3px 14px 3px;
  padding: 13px 16px;
  color: var(--deep-sea);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-hot__list a::before {
  content: counter(faq-hot-count, decimal-leading-zero);
  flex: none;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 111, 0, 0.1);
  border: 1px solid rgba(255, 111, 0, 0.3);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
}

.page-faq .faq-hot__list a::after {
  content: "→";
  margin-left: auto;
  color: var(--neon);
  font-family: var(--font-mono);
  transition: transform 0.2s ease;
}

.page-faq .faq-hot__list a:hover {
  border-color: var(--neon);
  transform: translateX(4px);
}

.page-faq .faq-hot__list a:hover::after {
  transform: translateX(3px);
}

/* 分类章节 */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-total) + 24px);
  background: var(--white);
  border: 1px solid var(--faq-border);
  border-radius: 22px 5px 22px 5px;
  padding: 26px 22px;
  margin-bottom: 28px;
}

@media (min-width: 768px) {
  .page-faq .faq-section {
    padding: 34px 32px;
  }
}

.page-faq .faq-section__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--deep-sea);
  margin: 8px 0 10px;
}

.page-faq .faq-section__lead {
  color: var(--slate);
  line-height: 1.7;
  margin: 0 0 20px;
  font-size: 0.95rem;
}

.page-faq .faq-section__note {
  font-size: 0.84rem;
  color: var(--slate);
  margin-top: 20px;
}

.page-faq .faq-section__note a {
  color: var(--steel);
  text-decoration: underline;
  text-decoration-color: var(--neon);
  text-underline-offset: 3px;
}

/* 手风琴 FAQ */
.page-faq .faq-item {
  border: 1px solid var(--faq-border);
  border-left: 3px solid var(--neon);
  border-radius: 12px 3px 12px 3px;
  background: #fff;
  margin-bottom: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.page-faq .faq-item:hover {
  border-color: var(--steel);
  box-shadow: 0 4px 16px rgba(11, 31, 58, 0.06);
}

.page-faq .faq-item[open] {
  border-left-color: var(--orange);
}

.page-faq .faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--deep-sea);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  background: rgba(57, 255, 20, 0.12);
  color: var(--orange);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  background: var(--orange);
  color: #fff;
  transform: rotate(180deg);
}

.page-faq .faq-item__body {
  padding: 2px 18px 18px;
  color: var(--slate);
  line-height: 1.75;
  font-size: 0.93rem;
}

.page-faq .faq-item__body p {
  margin: 0 0 8px;
}

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

.page-faq .faq-item__body a {
  color: var(--steel);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--neon);
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--orange);
}

/* 插图说明图 */
.page-faq .faq-figure {
  margin: 0 0 22px;
  border-radius: 16px 4px 16px 4px;
  border: 1px solid var(--faq-border);
  overflow: hidden;
  background: var(--mist);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--slate);
  font-family: var(--font-mono);
  background: var(--white);
}

/* 步骤列表 */
.page-faq .faq-steps__title {
  font-family: var(--font-display);
  font-size: 0.96rem;
  color: var(--deep-sea);
  margin: 0 0 10px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: faq-step;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
  padding: 11px 14px;
  background: var(--mist);
  border: 1px dashed var(--steel);
  border-radius: 12px 3px 12px 3px;
  font-size: 0.92rem;
  color: var(--slate);
  line-height: 1.6;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--deep-sea);
  color: var(--neon);
}

/* 数据指标 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 22px;
}

@media (min-width: 640px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-faq .faq-stat {
  background: var(--deep-sea);
  border-radius: 16px 4px 16px 4px;
  padding: 18px 20px;
}

.page-faq .faq-stat__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245, 247, 250, 0.65);
  margin-bottom: 10px;
}

.page-faq .faq-stat__value {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.7rem;
  color: var(--neon);
  line-height: 1.1;
}

.page-faq .faq-stat__value span {
  color: var(--orange);
}

/* 站内索引演示 */
.page-faq .faq-index-demo {
  margin: 22px 0;
  background: var(--mist);
  border: 1px solid var(--faq-border);
  border-radius: 16px 4px 16px 4px;
  padding: 18px;
}

.page-faq .faq-index-demo__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--slate);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.page-faq .faq-index-demo__label::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--purple);
  border-radius: 2px;
}

.page-faq .faq-index-demo .data-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq .faq-index-demo .data-tab {
  background: transparent;
  border: 1px solid var(--steel);
  color: var(--steel);
  border-radius: 999px;
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-faq .faq-index-demo .data-tab:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.page-faq .faq-index-demo .data-tab.is-active {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--deep-sea);
  font-weight: 700;
}

.page-faq .faq-index-demo .data-panel {
  display: none;
}

.page-faq .faq-index-demo .data-panel.is-active {
  display: block;
  animation: faq-fade 0.3s ease;
}

.page-faq .faq-index-demo .data-panel p {
  margin: 0;
  color: var(--slate);
  line-height: 1.7;
  font-size: 0.93rem;
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 联系支持 */
.page-faq .faq-contact {
  scroll-margin-top: calc(var(--header-total) + 24px);
  background: var(--charcoal);
  border-radius: 22px 5px 22px 5px;
  padding: 30px 24px;
  color: var(--white);
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .page-faq .faq-contact {
    padding: 40px 36px;
  }
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon), var(--purple), var(--orange));
}

.page-faq .faq-contact__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--white);
  margin: 8px 0 6px;
}

.page-faq .faq-contact__lead {
  color: rgba(245, 247, 250, 0.72);
  line-height: 1.7;
  font-size: 0.95rem;
  margin: 0 0 26px;
  max-width: 720px;
}

.page-faq .faq-contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .page-faq .faq-contact-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-faq .faq-contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px 4px 16px 4px;
  padding: 22px;
}

.page-faq .faq-contact-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 10px;
}

.page-faq .faq-contact-card__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--white);
  line-height: 1.5;
  word-break: break-all;
}

.page-faq .faq-contact-card__note {
  margin: 10px 0 0;
  color: rgba(245, 247, 250, 0.65);
  font-size: 0.84rem;
  line-height: 1.6;
}

.page-faq .faq-contact__note {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(245, 247, 250, 0.62);
  font-size: 0.84rem;
  line-height: 1.7;
}

.page-faq .faq-contact__note a {
  color: var(--neon);
  text-decoration: underline;
  text-decoration-color: var(--purple);
  text-underline-offset: 3px;
}