.page-faq {
  position: relative;
  overflow: hidden;
  background: var(--grad-main);
  color: var(--c-cream);
}

.page-faq .container {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--c-gray);
  margin-bottom: 28px;
}

.page-faq .breadcrumb__link {
  color: var(--c-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-faq .breadcrumb__link:hover {
  color: var(--c-orange);
}

.page-faq .breadcrumb__sep {
  color: var(--c-gray);
  opacity: 0.6;
}

.page-faq .breadcrumb__current {
  color: var(--c-cream);
  font-weight: 500;
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  padding: 52px 0 56px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.16);
}

.page-faq .faq-hero::before {
  content: "SUPPORT";
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 180px);
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.12);
  position: absolute;
  right: 1vw;
  bottom: -18px;
  letter-spacing: 0.12em;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset-inline-end: -8vw;
  top: -30px;
  width: 46vw;
  height: 170px;
  background: radial-gradient(circle, rgba(255, 107, 0, 0.2) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid,
.page-faq .faq-hero__meta {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1.06;
  margin: 0;
  letter-spacing: 0.02em;
  font-weight: 900;
}

.page-faq .faq-hero__title span {
  color: var(--c-orange);
  display: inline-block;
  position: relative;
}

.page-faq .faq-hero__intro {
  max-width: 560px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 239, 230, 0.88);
  border-left: 3px solid var(--c-gold);
  padding-left: 20px;
}

.page-faq .faq-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  font-size: 14px;
}

.page-faq .faq-hero__meta .status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(123, 158, 107, 0.2);
}

.page-faq .faq-hero__meta .mono {
  color: var(--c-gold);
  font-weight: 700;
}

/* ===== 文档区 ===== */
.page-faq .doc-section {
  position: relative;
  padding: 44px 0 80px;
  background: linear-gradient(180deg, rgba(11, 19, 43, 0.35) 0%, rgba(28, 37, 65, 0.82) 100%);
}

.page-faq .doc-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.page-faq .doc-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: linear-gradient(145deg, var(--c-mid), var(--c-deep));
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.page-faq .doc-sidebar__head {
  margin-bottom: 18px;
}

.page-faq .doc-sidebar__title {
  font-size: 20px;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--c-cream);
}

.page-faq .doc-sidebar__head .kb-badge {
  font-size: 13px;
}

.page-faq .doc-nav {
  display: grid;
  gap: 6px;
}

.page-faq .doc-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  color: var(--c-cream);
  text-decoration: none;
  font-size: 15px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: var(--transition);
}

.page-faq .doc-nav__link .mono {
  color: var(--c-gold);
  font-size: 14px;
  font-weight: 700;
}

.page-faq .doc-nav__link:hover {
  background: rgba(255, 107, 0, 0.12);
  border-color: rgba(255, 107, 0, 0.35);
  color: var(--c-cream);
  transform: translateX(4px);
}

.page-faq .doc-sidebar__note {
  margin-top: 20px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-gray);
}

/* ===== 文档卡片 ===== */
.page-faq .doc-content {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.page-faq .doc-card {
  background: linear-gradient(145deg, rgba(28, 37, 65, 0.9), rgba(11, 19, 43, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px 28px 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: border-color 0.3s ease;
}

.page-faq .doc-card:target {
  border-color: rgba(255, 107, 0, 0.55);
}

.page-faq .doc-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.page-faq .doc-card__num {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  background: var(--grad-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-faq .doc-card__head h3 {
  font-size: 24px;
  margin: 0;
  color: var(--c-cream);
}

.page-faq .doc-card__lead {
  color: var(--c-gray);
  line-height: 1.7;
  margin: 0 0 18px;
  font-size: 15px;
}

.page-faq .doc-card__lead a,
.page-faq .doc-steps a {
  color: var(--c-orange);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .doc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: 12px;
}

.page-faq .doc-steps li {
  position: relative;
  padding-left: 48px;
  counter-increment: step;
  line-height: 1.7;
  font-size: 15px;
  color: rgba(245, 239, 230, 0.92);
}

.page-faq .doc-steps li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 107, 0, 0.14);
  color: var(--c-orange);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .doc-flow-img {
  margin-top: 20px;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: block;
}

/* ===== FAQ 区 ===== */
.page-faq .faq-section {
  position: relative;
  padding: 80px 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 107, 0, 0.1), transparent 42%),
    linear-gradient(150deg, #060c1d 0%, #111a33 100%);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
}

.page-faq .faq-section__head {
  max-width: 680px;
  margin-bottom: 40px;
}

.page-faq .faq-section__head .section-title {
  font-size: 40px;
  line-height: 1.2;
  margin: 6px 0 12px;
  color: var(--c-cream);
}

.page-faq .faq-section__head .section-lead {
  color: var(--c-gray);
  line-height: 1.8;
  margin: 0;
  font-size: 15px;
}

.page-faq .faq-list {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  background: rgba(28, 37, 65, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 107, 0, 0.4);
  background: rgba(28, 37, 65, 0.88);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.24);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-cream);
}

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

.page-faq .faq-item__q {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-item__icon {
  color: var(--c-gold);
  flex-shrink: 0;
  display: inline-flex;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
}

.page-faq .faq-item__body {
  padding: 0 24px 22px;
  color: var(--c-gray);
  line-height: 1.85;
  font-size: 15px;
}

.page-faq .faq-item__body a {
  color: var(--c-orange);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== 联系客服 ===== */
.page-faq .support-section {
  padding: 72px 0 88px;
}

.page-faq .support-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 36px;
  max-width: 940px;
  margin: 0 auto;
  background:
    radial-gradient(circle at 92% 18%, rgba(255, 107, 0, 0.12), transparent 44%),
    linear-gradient(145deg, var(--c-mid), var(--c-deep));
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: var(--radius-lg);
  padding: 38px;
  box-shadow: var(--shadow-card);
}

.page-faq .support-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-faq .support-card__media img {
  width: 200px;
  height: 200px;
  max-width: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(245, 239, 230, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .support-card__content {
  min-width: 0;
}

.page-faq .support-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-faq .support-card__head h2 {
  font-size: 30px;
  line-height: 1.2;
  margin: 0;
  color: var(--c-cream);
}

.page-faq .support-card__head .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(123, 158, 107, 0.2);
}

.page-faq .support-card__lead {
  color: var(--c-gray);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 15px;
}

.page-faq .support-contact-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .support-contact-list__item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
  font-size: 15px;
  color: var(--c-cream);
  word-break: break-word;
}

.page-faq .support-contact-list__item .mono {
  color: var(--c-gold);
  font-weight: 700;
}

.page-faq .support-card__note {
  font-size: 12px;
  color: var(--c-gray);
  opacity: 0.8;
  line-height: 1.6;
  margin: 0 0 20px;
}

/* ===== 移动端 ===== */
@media (max-width: 960px) {
  .page-faq .doc-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .page-faq .doc-sidebar {
    position: static;
    padding: 18px;
  }

  .page-faq .doc-sidebar__head {
    margin-bottom: 10px;
  }

  .page-faq .doc-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .doc-nav__link {
    flex-shrink: 0;
    white-space: nowrap;
    scroll-snap-align: start;
  }

  .page-faq .doc-sidebar__note {
    display: none;
  }

  .page-faq .faq-section {
    clip-path: none;
  }

  .page-faq .support-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .page-faq .support-contact-list__item {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero {
    padding: 36px 0 44px;
  }

  .page-faq .faq-hero__intro {
    font-size: 15px;
    padding-left: 14px;
  }

  .page-faq .doc-section {
    padding: 28px 0 56px;
  }

  .page-faq .doc-card {
    padding: 20px 18px 24px;
  }

  .page-faq .doc-card__head h3 {
    font-size: 20px;
  }

  .page-faq .doc-steps li {
    font-size: 14px;
    padding-left: 42px;
  }

  .page-faq .doc-steps li::before {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .page-faq .faq-section {
    padding: 56px 0;
  }

  .page-faq .faq-section__head .section-title {
    font-size: 32px;
  }

  .page-faq .faq-item__summary {
    padding: 16px;
    font-size: 15px;
    align-items: flex-start;
  }

  .page-faq .faq-item__body {
    padding: 0 16px 16px;
    font-size: 14px;
  }

  .page-faq .support-section {
    padding: 56px 0 64px;
  }

  .page-faq .support-card {
    padding: 24px 18px;
  }

  .page-faq .support-card__media img {
    width: 140px;
    height: 140px;
  }

  .page-faq .support-card__head h2 {
    font-size: 24px;
  }

  .page-faq .support-contact-list__item {
    font-size: 14px;
    padding: 12px;
  }
}