/* ===== 帮助中心 · 页面专属样式（作用域 .page-faq） ===== */

.page-faq {
  --faq-pad: clamp(20px, 4vw, 40px);
  --faq-gap: clamp(20px, 3vw, 32px);
  --faq-scroll-offset: calc(var(--header-h) + 28px);
  color: var(--mist);
  background: var(--night);
}

.page-faq .section {
  padding: clamp(48px, 7vw, 88px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .section-head {
  max-width: 62ch;
}

.page-faq .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 10px 0 12px;
}

.page-faq [id] {
  scroll-margin-top: var(--faq-scroll-offset);
}

/* ---------- 首屏封面 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 9vw, 104px) 0 clamp(44px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(58% 74% at 76% 12%, rgba(242, 193, 78, 0.18), transparent 68%),
    radial-gradient(46% 66% at 8% 34%, rgba(226, 62, 140, 0.13), transparent 70%),
    linear-gradient(180deg, var(--abyss) 0%, var(--night) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 24%, var(--magenta) 62%, transparent);
  opacity: 0.55;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--white);
  margin: 14px 0 0;
}

.page-faq .faq-hero__accent {
  color: var(--gold);
  position: relative;
  display: inline-block;
}

.page-faq .faq-hero__accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 0.14em;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), transparent);
  opacity: 0.6;
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 44px);
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line-cool);
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.03em;
}

.page-faq .faq-hero__unit {
  font-size: 0.55em;
  margin-left: 2px;
  color: var(--gold-light);
}

.page-faq .faq-hero__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-left: 0;
  border-left: 0;
}

.page-faq .faq-hero__note {
  writing-mode: horizontal-tb;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-hero__index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-faq .faq-hero__index a {
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .faq-hero__index a:hover,
.page-faq .faq-hero__index a:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}

/* ---------- 面包屑 ---------- */

.page-faq .faq-crumbs {
  padding: 18px 0 0;
  font-size: 13px;
}

.page-faq .faq-crumbs .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--mist);
}

.page-faq .faq-crumbs .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--sand);
}

.page-faq .faq-crumbs a {
  color: var(--ice);
  text-decoration: none;
}

.page-faq .faq-crumbs a:hover {
  color: var(--gold-light);
}

/* ---------- 分类导航 ---------- */

.page-faq .faq-cats__media {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid var(--line-cool);
  overflow: hidden;
}

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

.page-faq .faq-cats__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-cool);
  border: 1px solid var(--line-cool);
  margin-top: var(--faq-gap);
}

.page-faq .faq-cat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  transition: background 240ms var(--ease);
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 260ms var(--ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: #182246;
  outline: none;
}

.page-faq .faq-cat:hover::before,
.page-faq .faq-cat:focus-visible::before {
  transform: scaleX(1);
}

.page-faq .faq-cat__icon {
  color: var(--gold);
  line-height: 0;
}

.page-faq .faq-cat__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-faq .faq-cat__count {
  font-size: 13px;
  color: var(--gold-light);
  letter-spacing: 0.04em;
}

.page-faq .faq-cat__count .mono {
  font-family: var(--font-mono);
  font-size: 15px;
}

.page-faq .faq-cat__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  opacity: 0.85;
}

/* ---------- 问答主体布局 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-side {
  display: none;
}

.page-faq .faq-side__inner {
  position: sticky;
  top: calc(var(--header-h) + 28px);
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.page-faq .faq-side__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-side .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-side .toc__link {
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-faq .faq-side .toc__link:hover,
.page-faq .faq-side .toc__link:focus-visible {
  color: var(--gold-light);
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 56px);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-faq .faq-q {
  margin: 0;
  font-weight: 400;
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 18px 2px;
  border: 0;
  border-top: 1px solid var(--line-cool);
  background: none;
  text-align: left;
  cursor: pointer;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  transition: color 200ms var(--ease);
}

.page-faq .accordion__trigger:hover,
.page-faq .accordion__trigger:focus-visible {
  color: var(--gold-light);
  outline: none;
}

.page-faq .accordion__item:first-child .accordion__trigger {
  border-top: 0;
}

.page-faq .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .accordion__icon::before,
.page-faq .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 260ms var(--ease), opacity 260ms var(--ease);
}

.page-faq .accordion__icon::before {
  left: 0;
  top: 7.5px;
  width: 16px;
  height: 1px;
}

.page-faq .accordion__icon::after {
  left: 7.5px;
  top: 0;
  width: 1px;
  height: 16px;
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .accordion__panel {
  padding: 0 0 20px;
}

.page-faq .accordion__panel p {
  margin: 0;
  max-width: 64ch;
  padding-left: 16px;
  border-left: 2px solid var(--sand);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 记录自查步骤 ---------- */

.page-faq .faq-record {
  background: linear-gradient(180deg, var(--night) 0%, var(--abyss) 100%);
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line-cool);
}

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

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.1;
  color: var(--gold);
  letter-spacing: -0.04em;
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
}

.page-faq .faq-step__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 主页明细三个维度 ---------- */

.page-faq .faq-dims {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(26px, 4vw, 40px);
  background: var(--line-cool);
  border: 1px solid var(--line-cool);
}

.page-faq .faq-dim {
  padding: 24px 20px 26px;
  background: var(--panel);
}

.page-faq .faq-dim__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--magenta);
  margin-bottom: 12px;
}

.page-faq .faq-dim__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
}

.page-faq .faq-dim p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-profile__note {
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: 22px 20px;
  border-left: 2px solid var(--gold);
  background: rgba(19, 28, 60, 0.72);
}

.page-faq .faq-profile__note p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-profile__note p + p {
  margin-top: 12px;
}

.page-faq .faq-profile__note a,
.page-faq .faq-stuck__relate a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 212, 255, 0.4);
}

.page-faq .faq-profile__note a:hover,
.page-faq .faq-stuck__relate a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}

/* ---------- 两步客服通道 ---------- */

.page-faq .faq-contact {
  background:
    radial-gradient(54% 70% at 82% 8%, rgba(25, 199, 155, 0.12), transparent 68%),
    var(--night);
}

.page-faq .faq-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: clamp(26px, 4vw, 40px);
  border: 1px solid var(--line-cool);
}

.page-faq .faq-flow__step {
  padding: 26px 22px 28px;
  background: var(--panel);
}

.page-faq .faq-flow__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 12px;
}

.page-faq .faq-flow__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
}

.page-faq .faq-flow__step p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-flow__arrow {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  background: var(--abyss);
}

.page-faq .faq-flow__arrow-line {
  display: block;
  width: 1px;
  height: 22px;
  background: linear-gradient(180deg, var(--sand), var(--gold));
}

.page-faq .faq-flow__arrow-head {
  position: absolute;
  bottom: 10px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-faq .faq-contact__media {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid var(--line-cool);
  overflow: hidden;
}

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

.page-faq .faq-contact__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 还没解决 ---------- */

.page-faq .faq-stuck {
  background: linear-gradient(180deg, var(--night) 0%, var(--abyss) 100%);
}

.page-faq .faq-stuck__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(26px, 4vw, 40px);
  background: var(--line-cool);
  border: 1px solid var(--line-cool);
}

.page-faq .faq-route {
  padding: 26px 22px 28px;
  background: var(--panel);
}

.page-faq .faq-route__title {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--gold);
}

.page-faq .faq-route__desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-route__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-route__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-route__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--ice);
}

.page-faq .faq-cta {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(24px, 3.4vw, 34px);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(242, 193, 78, 0.1), rgba(226, 62, 140, 0.07) 55%, transparent);
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--white);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-stuck__relate {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-dims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-stuck__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-cta__text {
    flex: 1 1 auto;
  }

  .page-faq .faq-cta__actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 24px;
  }

  .page-faq .faq-step__num {
    font-size: 30px;
  }

  .page-faq .faq-flow {
    grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
    align-items: stretch;
  }

  .page-faq .faq-flow__arrow {
    height: auto;
  }

  .page-faq .faq-flow__arrow-line {
    width: 24px;
    height: 1px;
    background: linear-gradient(90deg, var(--sand), var(--gold));
  }

  .page-faq .faq-flow__arrow-head {
    position: static;
    margin-left: -6px;
    margin-top: 0;
    border-right: 1px solid var(--gold);
    border-bottom: 1px solid var(--gold);
    border-top: 0;
    border-left: 0;
    transform: rotate(-45deg);
    bottom: auto;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: end;
  }

  .page-faq .faq-hero__aside {
    padding-left: 24px;
    border-left: 1px solid var(--line);
    align-items: flex-start;
  }

  .page-faq .faq-hero__note {
    writing-mode: vertical-rl;
    letter-spacing: 0.28em;
    line-height: 1.4;
  }

  .page-faq .faq-hero__index {
    flex-direction: column;
    gap: 10px;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 210px;
    align-items: start;
  }

  .page-faq .faq-side {
    display: block;
  }

  .page-faq .faq-main .section-head {
    margin-bottom: 8px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-cat::before,
  .page-faq .accordion__icon::before,
  .page-faq .accordion__icon::after,
  .page-faq .faq-hero__index a,
  .page-faq .faq-side .toc__link {
    transition: none;
  }

  .page-faq .faq-cat::before {
    transform: scaleX(1);
    opacity: 0.35;
  }
}