/* ===== 帮助中心 page-faq ===== */
.page-faq {
  --faq-rail: 264px;
  --faq-txt: #C7D2EE;
  --faq-txt-dim: #B9C5E4;
  color: var(--white);
  background:
    radial-gradient(1040px 480px at 90% -10%, rgba(50, 225, 210, .10), transparent 62%),
    radial-gradient(720px 420px at 2% 4%, rgba(124, 92, 255, .10), transparent 60%),
    var(--ink);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px) 0 clamp(24px, 4vw, 46px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(43, 58, 114, .32) 0 1px, transparent 1px 30px);
  -webkit-mask-image: linear-gradient(155deg, #000 0%, transparent 68%);
  mask-image: linear-gradient(155deg, #000 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
  font-size: 13px;
  color: var(--mist);
}

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

.page-faq .breadcrumbs a:hover {
  color: var(--cyan-soft);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-faq .faq-hero__copy {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-hero .eyebrow {
  color: var(--cyan);
  margin-bottom: 12px;
}

.page-faq .faq-hero h1 {
  font-family: var(--f-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.12;
  margin: 0 0 16px;
  max-width: 15em;
  color: var(--white);
}

.page-faq .faq-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15.5px, 1.3vw, 17px);
  line-height: 1.62;
  color: var(--faq-txt);
}

.page-faq .faq-hero__media {
  margin: 0;
}

.page-faq .faq-hero__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  display: block;
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(24px, 3.6vw, 52px);
  }
}

/* ---------- 先看这三问 ---------- */
.page-faq .faq-quick {
  padding: clamp(6px, 1.6vw, 16px) 0 clamp(26px, 4vw, 48px);
}

.page-faq .faq-quick__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-quick__head .section-title {
  margin: 0;
}

.page-faq .faq-quick__hint {
  margin: 0;
  font-size: 13px;
  color: var(--mist);
}

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

.page-faq .faq-quick__card {
  position: relative;
  padding: 20px 18px 18px;
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .015));
  border: 1px solid var(--glass-line);
  border-left: 3px solid var(--cyan);
  transition: transform var(--t-fast), border-left-color var(--t-fast), background var(--t-fast);
}

.page-faq .faq-quick__card:hover {
  transform: translateY(-2px);
  background: linear-gradient(158deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .03));
  border-left-color: var(--amber);
}

.page-faq .faq-quick__card--amber {
  border-left-color: var(--amber);
}

.page-faq .faq-quick__card--lilac {
  border-left-color: var(--lilac);
}

.page-faq .faq-quick__num {
  display: block;
  font-family: var(--f-num);
  font-size: 38px;
  line-height: .9;
  letter-spacing: -.03em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-faq .faq-quick__card--amber .faq-quick__num {
  color: var(--amber);
}

.page-faq .faq-quick__card--lilac .faq-quick__num {
  color: var(--lilac);
}

.page-faq .faq-quick__q {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-quick__a {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--faq-txt-dim);
}

.page-faq .faq-quick__link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 245, 236, .35);
  padding-bottom: 1px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-faq .faq-quick__link:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

@media (min-width: 780px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: 1.12fr .9fr 1.02fr;
    align-items: start;
  }

  .page-faq .faq-quick__card:nth-child(2) {
    margin-top: 20px;
  }
}

/* ---------- 主体：分类 + 折叠问答 ---------- */
.page-faq .faq-body {
  padding: clamp(10px, 2vw, 20px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-body__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-body__head .section-title {
  margin: 0;
}

.page-faq .faq-body__hint {
  margin: 0;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
}

@media (min-width: 900px) {
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 48px);
  }
}

/* 左侧分类索引 */
.page-faq .faq-index {
  padding: 18px 16px;
  border-radius: var(--r-lg);
  background: var(--glass);
  border: 1px solid var(--glass-line);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--mist-dim);
}

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

.page-faq .faq-index__btn {
  display: block;
  width: 100%;
  text-align: left;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--mist);
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 500;
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}

.page-faq .faq-index__btn:hover {
  color: var(--cyan-soft);
  background: rgba(50, 225, 210, .08);
  border-color: var(--line-soft);
}

.page-faq .faq-index__btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04121A;
  font-weight: 700;
}

.page-faq .faq-index .filter-count {
  display: block;
  margin: 12px 0 0;
  font-family: var(--f-num);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist-dim);
}

.page-faq .faq-index .filter-count:empty {
  display: none;
}

.page-faq .faq-index .filter-empty {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--amber);
}

@media (max-width: 899px) {
  .page-faq .faq-index__btns {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-faq .faq-index__btn {
    width: auto;
    padding: 8px 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    position: sticky;
    top: 88px;
  }
}

/* 折叠问答 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(100deg, rgba(16, 27, 70, .92), rgba(11, 19, 56, .86));
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-faq .faq-item:hover {
  border-color: var(--line);
  border-left-color: var(--cyan);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: linear-gradient(100deg, rgba(16, 27, 70, 1), rgba(11, 19, 56, .95));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--white);
}

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

.page-faq .faq-item__idx {
  flex: none;
  min-width: 26px;
  font-family: var(--f-num);
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--mist-dim);
  transition: color var(--t-fast);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--cyan);
}

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

.page-faq .faq-item__tag {
  flex: none;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist-dim);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 2px 9px;
}

.page-faq .faq-item__arrow {
  flex: none;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid var(--mist);
  transition: transform var(--t-fast), border-top-color var(--t-fast);
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(180deg);
  border-top-color: var(--cyan);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--faq-txt);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 66ch;
}

.page-faq .faq-item__a a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 245, 236, .35);
}

.page-faq .faq-item__a a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

@media (min-width: 620px) {
  .page-faq .faq-item__a {
    padding-left: 56px;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-item__tag {
    display: none;
  }

  .page-faq .faq-item__q {
    font-size: 15.5px;
    gap: 9px;
    padding: 14px 15px;
  }
}

/* ---------- 反馈提交 ---------- */
.page-faq .faq-feedback {
  padding: clamp(28px, 4.4vw, 56px) 0;
}

.page-faq .faq-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-feedback__copy .eyebrow {
  color: var(--amber);
  margin-bottom: 10px;
}

.page-faq .faq-feedback__copy .section-title {
  margin: 0 0 12px;
}

.page-faq .faq-feedback__lede {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--faq-txt);
  max-width: 58ch;
}

.page-faq .faq-feedback__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-feedback__list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--glass-line);
}

.page-faq .faq-feedback__list li.is-key {
  border-color: rgba(255, 158, 44, .5);
  background: rgba(255, 158, 44, .09);
}

.page-faq .faq-feedback__n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink-2);
  border: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--f-num);
  font-size: 15px;
  line-height: 1;
}

.page-faq .faq-feedback__list li.is-key .faq-feedback__n {
  background: var(--amber);
  border-color: var(--amber);
  color: #1B0D00;
}

.page-faq .faq-feedback__list strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  color: var(--white);
}

.page-faq .faq-feedback__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--faq-txt-dim);
}

.page-faq .faq-feedback__media {
  margin: 0;
}

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

@media (min-width: 880px) {
  .page-faq .faq-feedback__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

/* ---------- 还是没解决 ---------- */
.page-faq .faq-help {
  padding: clamp(8px, 2vw, 18px) 0 0;
}

.page-faq .faq-help__glass {
  padding: clamp(10px, 1.6vw, 16px);
  border-radius: var(--r-xl);
  border: 1px solid var(--glass-line);
}

.page-faq .faq-help__inner {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--r-lg);
}

.page-faq .faq-help__inner .section-title {
  margin: 0 0 12px;
}

.page-faq .faq-help__lede {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--faq-txt);
}

.page-faq .faq-help__lede a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 245, 236, .35);
}

.page-faq .faq-help__lede a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-faq .faq-help__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

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

@media (max-width: 420px) {
  .page-faq .faq-help__actions .btn {
    width: 100%;
    text-align: center;
  }
}