/* ===== 帮助中心 unique style ===== */
.page-faq {
  --faq-side-w: 264px;
  --faq-side-gap: 32px;
  --faq-section-pad: 22px;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-breadcrumb {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 18px 16px 0;
}
.page-faq .faq-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-muted);
}
.page-faq .faq-breadcrumb li:not(:last-child)::after {
  content: "/";
  color: rgba(160, 176, 192, 0.5);
}
.page-faq .faq-breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--speed-fast) var(--ease-out);
}
.page-faq .faq-breadcrumb a:hover {
  color: var(--color-blue);
}
.page-faq .faq-breadcrumb li[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- 首屏 Hero ---------- */
.page-faq .faq-hero {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 28px 16px 32px;
}
.page-faq .faq-hero__text {
  margin-bottom: 22px;
}
.page-faq .faq-hero__text .section-label {
  margin-bottom: 12px;
}
.page-faq .faq-hero__text .page-title {
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.14;
  margin: 0 0 14px;
  color: var(--color-text);
  max-width: 18em;
}
.page-faq .faq-hero__text .page-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 62ch;
  margin: 0;
}
.page-faq .faq-hero__img {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--glass-border);
  background: var(--color-charcoal);
  position: relative;
}
.page-faq .faq-hero__img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-faq .faq-hero__img figcaption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(6, 15, 24, 0.72);
  backdrop-filter: blur(8px);
  color: var(--color-blue);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 16px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-side-gap);
  align-items: start;
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-side__inner {
  padding: 0;
}
.page-faq .faq-side__label {
  display: none;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.page-faq .faq-side__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-faq .faq-side__list::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-side__list a {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 8px 14px;
  background: var(--color-glass-soft);
  border: var(--glass-border);
  border-left: 3px solid var(--color-orange);
  border-radius: 999px;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 13px;
  transition: background var(--speed-fast) var(--ease-out), color var(--speed-fast) var(--ease-out);
}
.page-faq .faq-side__list a:hover {
  background: var(--color-blue-soft);
  color: var(--color-blue);
}
.page-faq .faq-side__note {
  display: none;
}

/* ---------- 右侧内容 ---------- */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-width: 0;
}
.page-faq .faq-section,
.page-faq .faq-outro {
  background: var(--color-charcoal);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--faq-section-pad);
  scroll-margin-top: calc(var(--header-h, 78px) + 24px);
}
@media (min-width: 720px) {
  .page-faq .faq-section,
  .page-faq .faq-outro {
    padding: 32px 28px;
  }
}

.page-faq .faq-section__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}
.page-faq .faq-section__head h2 {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.25;
  color: var(--color-text);
  margin: 0 0 6px;
}
.page-faq .faq-section__head p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

.page-faq .faq-step-ring {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 3px solid var(--color-orange);
  background: var(--color-orange-soft);
  color: var(--color-orange);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--orange-glow);
}

/* ---------- 步骤卡片 ---------- */
.page-faq .faq-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-faq .faq-step {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 18px;
  background: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
}
.page-faq .faq-step__num {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-orange);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px rgba(255, 109, 0, 0.14);
}
.page-faq .faq-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 38px;
  top: 56px;
  bottom: -22px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-orange), var(--color-blue));
  opacity: 0.35;
}
.page-faq .faq-step__body {
  flex: 1;
  min-width: 0;
}
.page-faq .faq-step__body h3 {
  font-size: 16px;
  line-height: 1.4;
  margin: 2px 0 8px;
  color: var(--color-text);
}
.page-faq .faq-step__body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0 0 12px;
}
.page-faq .faq-step__body .btn {
  margin-top: 2px;
}

/* ---------- 登录入口 ---------- */
.page-faq .faq-login-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
@media (min-width: 640px) {
  .page-faq .faq-login-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.page-faq .faq-login-card {
  padding: 20px;
}
.page-faq .faq-login-card h3 {
  font-size: 15px;
  color: var(--color-text);
  margin: 0 0 6px;
}
.page-faq .faq-login-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0;
}
.page-faq .faq-login__img {
  margin: 0 0 18px;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--glass-border);
  background: var(--color-charcoal);
}
.page-faq .faq-login__img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-faq .faq-login__img figcaption {
  margin: 0;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--color-muted);
  background: var(--color-navy-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.page-faq .faq-version-note {
  border: 1px dashed rgba(0, 229, 255, 0.32);
  background: var(--color-blue-soft);
  border-radius: 10px;
  padding: 16px 18px;
}
.page-faq .faq-version-note h3 {
  font-size: 15px;
  color: var(--color-text);
  margin: 0 0 6px;
}
.page-faq .faq-version-note p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}
.page-faq .faq-version-note a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-version-note a:hover {
  color: var(--color-orange);
}

/* ---------- 内联提示 ---------- */
.page-faq .faq-inline-tip {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 10px;
  background: rgba(255, 179, 0, 0.08);
  border-left: 3px solid var(--color-warn);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

/* ---------- 设备兼容手风琴 ---------- */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-faq .faq-acc-item {
  background: var(--color-navy);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  overflow: hidden;
}
.page-faq .faq-acc__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  min-height: 44px;
  font-family: var(--font-body);
  list-style: none;
}
.page-faq .faq-acc__trigger::-webkit-details-marker {
  display: none;
}
.page-faq .faq-acc__trigger::marker {
  content: "";
}
.page-faq .faq-acc__trigger:hover {
  background: rgba(255, 255, 255, 0.03);
}
.page-faq .faq-acc__icon {
  margin-left: auto;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  position: relative;
}
.page-faq .faq-acc__icon::before,
.page-faq .faq-acc__icon::after {
  content: "";
  position: absolute;
  background: var(--color-blue);
  border-radius: 2px;
  transition: transform var(--speed-fast) var(--ease-out), background var(--speed-fast) var(--ease-out);
}
.page-faq .faq-acc__icon::before {
  left: 3px;
  right: 3px;
  top: 9px;
  height: 2px;
}
.page-faq .faq-acc__icon::after {
  top: 3px;
  bottom: 3px;
  left: 9px;
  width: 2px;
}
.page-faq .faq-acc-item[open] .faq-acc__icon::after {
  transform: scaleY(0);
}
.page-faq .faq-acc__trigger:hover .faq-acc__icon::before,
.page-faq .faq-acc__trigger:hover .faq-acc__icon::after {
  background: var(--color-orange);
}
.page-faq .faq-acc__panel {
  padding: 0 18px 18px;
}
.page-faq .faq-acc__panel ol {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-faq .faq-acc__panel li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}
.page-faq .faq-acc-item[open] .faq-acc__panel {
  animation: faq-panel-in var(--speed-base) var(--ease-out);
}

/* ---------- 联系人工 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 16px;
}
@media (min-width: 640px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.page-faq .faq-contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  text-decoration: none;
  color: var(--color-text);
}
.page-faq .faq-contact-card:hover {
  border-color: rgba(0, 229, 255, 0.35);
}
.page-faq .faq-contact__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.page-faq .faq-contact__value {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--color-text);
  word-break: break-all;
}
.page-faq .faq-contact__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

/* ---------- 页尾跳转 ---------- */
.page-faq .faq-outro {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-charcoal) 100%);
}
.page-faq .faq-outro h2 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-text);
  margin: 0 0 10px;
}
.page-faq .faq-outro p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0 0 18px;
  max-width: 60ch;
}
.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 侧栏箭头 ---------- */
.page-faq .faq-side__arrow {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  animation: faq-bounce 1.8s ease-in-out infinite;
}

/* ---------- 动画 ---------- */
@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes faq-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    gap: 44px;
    padding-bottom: 80px;
  }
  .page-faq .faq-side__inner {
    position: sticky;
    top: calc(var(--header-h, 78px) + 28px);
    padding: 22px 18px;
    background: var(--color-glass);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
  }
  .page-faq .faq-side__label {
    display: block;
  }
  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }
  .page-faq .faq-side__list a {
    display: block;
    flex: none;
    white-space: normal;
    padding: 10px 12px;
    background: transparent;
    border: 0;
    border-left: 3px solid transparent;
    border-radius: 8px;
    font-size: 14px;
  }
  .page-faq .faq-side__list a:hover {
    background: var(--color-blue-soft);
    border-left-color: var(--color-blue);
  }
  .page-faq .faq-side__note {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }
  .page-faq .faq-side__note p {
    font-size: 12px;
    line-height: 1.5;
    color: var(--color-muted);
    margin: 0;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-side__arrow,
  .page-faq .faq-acc-item[open] .faq-acc__panel {
    animation: none;
  }
  .page-faq .faq-step-ring,
  .page-faq .faq-step__num {
    box-shadow: none;
  }
  .page-faq .faq-acc__icon::before,
  .page-faq .faq-acc__icon::after,
  .page-faq .faq-acc__trigger:hover .faq-acc__icon::before,
  .page-faq .faq-acc__trigger:hover .faq-acc__icon::after {
    transition: none;
  }
}