/* ===== 使用帮助 / page-faq ===== */
.page-faq {
  --faq-line: rgba(15, 42, 34, .13);
  --faq-line-dark: rgba(245, 239, 226, .18);
  --faq-block: clamp(52px, 8vw, 100px);
  background: var(--paper);
  color: var(--black);
  font-family: var(--font-body);
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}
.page-faq figure { margin: 0; }

.page-faq .faq-h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 33px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-faq .faq-p {
  margin: 0;
  color: var(--grey);
  font-size: 15.5px;
  line-height: 1.8;
  max-width: 46ch;
}

.page-faq .eyebrow {
  color: var(--grey);
  letter-spacing: .12em;
}

.page-faq .qa-group,
.page-faq .faq-topics,
.page-faq .faq-cost,
.page-faq .faq-safe {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(115% 88% at 86% 6%, rgba(217, 164, 65, .17), transparent 60%),
    linear-gradient(158deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--paper);
  padding: calc(var(--header-h) + clamp(34px, 6vw, 62px)) 0 clamp(50px, 8vw, 88px);
}

.page-faq .faq-hero .breadcrumb {
  color: rgba(245, 239, 226, .58);
  font-size: 13px;
  letter-spacing: .07em;
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-faq .faq-hero .breadcrumb a {
  color: rgba(245, 239, 226, .86);
  text-decoration: none;
}
.page-faq .faq-hero .breadcrumb a:hover { color: var(--gold); }

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  align-items: center;
}
@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 66px);
  }
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
  margin: 0 0 10px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(31px, 5.8vw, 55px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper-raise);
  margin: 0 0 18px;
}

.page-faq .faq-hero .lede {
  color: rgba(245, 239, 226, .8);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  max-width: 46ch;
  margin: 0 0 26px;
}

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

.page-faq .faq-hero__visual .media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  outline: 1px solid rgba(217, 164, 65, .38);
  outline-offset: 10px;
}
.page-faq .faq-hero__visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

/* ---------- 分类标签 ---------- */
.page-faq .faq-topics {
  background: var(--paper);
  border-bottom: 1px solid var(--faq-line);
  padding: clamp(38px, 5.5vw, 66px) 0;
}
.page-faq .faq-topics .faq-h2 { margin-bottom: 8px; }
.page-faq .faq-topics__note {
  margin: 0 0 22px;
  color: var(--grey);
  font-size: 14px;
}

.page-faq .topic-cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .topic-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  background: var(--paper-raise);
  border: 1px solid var(--faq-line);
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.page-faq .topic-pill:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 10px 22px -18px rgba(15, 42, 34, .8);
}
.page-faq .topic-pill:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}
.page-faq .topic-pill__n {
  font-family: var(--font-num);
  font-size: 12.5px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  background: var(--gold-soft);
  color: var(--ink);
}

/* ---------- 通用左右分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}
@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
}

/* ---------- 七章目录 ---------- */
.page-faq .faq-guide {
  background: var(--paper);
  padding: var(--faq-block) 0;
}
.page-faq .faq-guide__intro .faq-h2 { margin-top: 6px; }

.page-faq .chapter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-line);
}
.page-faq .chapter {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 17px 0;
  border-bottom: 1px solid var(--faq-line);
  transition: background .25s var(--ease);
}
.page-faq .chapter:hover { background: rgba(217, 164, 65, .07); }
.page-faq .chapter__no {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--gold);
  padding-top: 3px;
}
.page-faq .chapter__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  margin: 0 0 5px;
}
.page-faq .chapter__desc {
  margin: 0;
  color: var(--grey);
  font-size: 14px;
  line-height: 1.7;
}
.page-faq .chapter__meta {
  grid-column: 2;
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--grey);
  letter-spacing: .02em;
}
@media (min-width: 780px) {
  .page-faq .chapter {
    grid-template-columns: 54px minmax(0, 1fr) auto;
    align-items: start;
    gap: 0 20px;
    padding: 20px 8px;
  }
  .page-faq .chapter__meta {
    grid-column: 3;
    padding-top: 4px;
    white-space: nowrap;
  }
}

/* ---------- 问答组 ---------- */
.page-faq .faq-answers {
  background: var(--paper);
  padding: 0 0 var(--faq-block);
}
.page-faq .faq-answers__title {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .qa-group { display: grid; gap: 16px; }
.page-faq .qa-group + .qa-group { margin-top: clamp(40px, 6vw, 72px); }

@media (min-width: 900px) {
  .page-faq .qa-group {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 0 clamp(28px, 4vw, 60px);
    align-items: start;
  }
  .page-faq .qa-group__head {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

.page-faq .qa-group__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 21px;
  color: var(--ink);
  margin: 0 0 6px;
}
.page-faq .qa-group__count {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--red-dark);
  margin: 0 0 10px;
}
.page-faq .qa-group__count .num {
  font-family: var(--font-num);
  font-size: 18px;
}
.page-faq .qa-group__desc {
  margin: 0;
  color: var(--grey);
  font-size: 14px;
  line-height: 1.7;
  max-width: 28ch;
}

.page-faq .qa {
  background: var(--paper-raise);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: border-color .25s var(--ease);
}
.page-faq .qa + .qa { margin-top: 10px; }
.page-faq .qa:hover { border-color: rgba(217, 164, 65, .62); }
.page-faq .qa--plain { border-left: 3px solid var(--gold); }

.page-faq .qa__q,
.page-faq .qa__h {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
}
.page-faq summary.qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  list-style: none;
}
.page-faq summary.qa__q::-webkit-details-marker { display: none; }
.page-faq summary.qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 19px;
  line-height: 1.2;
  color: var(--grey);
  transition: color .2s var(--ease);
}
.page-faq details[open] > summary.qa__q::after {
  content: "−";
  color: var(--red);
}
.page-faq .qa__h { flex: 1 1 auto; }

.page-faq .qa__a {
  color: var(--black);
  font-size: 15px;
  line-height: 1.78;
}
.page-faq .qa__a p { margin: 12px 0 0; }
.page-faq .qa__a a { color: var(--red-dark); }

/* ---------- 深色区块通用 ---------- */
.page-faq .on-dark h2,
.page-faq .on-dark .faq-h2 { color: var(--paper-raise); }
.page-faq .on-dark .eyebrow { color: var(--gold); }

/* ---------- 费用说明 ---------- */
.page-faq .faq-cost {
  color: var(--paper);
  background:
    radial-gradient(90% 70% at 10% 104%, rgba(94, 207, 192, .12), transparent 62%),
    linear-gradient(160deg, var(--ink-soft) 0%, var(--ink) 56%, var(--ink-deep) 100%);
  padding: var(--faq-block) 0;
}
.page-faq .faq-cost p {
  margin: 0 0 16px;
  color: rgba(245, 239, 226, .78);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-faq .faq-cost p:last-of-type { margin-bottom: 0; }

.page-faq .cost-facts {
  list-style: none;
  margin: 26px 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.page-faq .cost-facts li {
  padding: 14px 16px;
  border: 1px solid var(--faq-line-dark);
  border-radius: var(--radius-sm);
  background: rgba(245, 239, 226, .05);
}
.page-faq .cost-facts__v {
  display: block;
  font-family: var(--font-num);
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--gold);
  margin-bottom: 5px;
}
.page-faq .cost-facts__l {
  display: block;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(245, 239, 226, .66);
}
.page-faq .faq-cost__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 三步排查 ---------- */
.page-faq .faq-trouble {
  background: var(--paper-warm);
  padding: var(--faq-block) 0;
}
.page-faq .faq-trouble__grid { display: grid; gap: clamp(28px, 4vw, 48px); }
@media (min-width: 900px) {
  .page-faq .faq-trouble__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(32px, 5vw, 60px);
  }
}

.page-faq .steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.page-faq .step {
  position: relative;
  padding: 0 0 26px 52px;
}
.page-faq .step:last-child { padding-bottom: 0; }
.page-faq .step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(15, 42, 34, .24), rgba(15, 42, 34, 0));
}
.page-faq .step:last-child::before { display: none; }
.page-faq .step__no {
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--gold-soft);
  font-family: var(--font-num);
  font-size: 12.5px;
}
.page-faq .step__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  margin: 4px 0 6px;
}
.page-faq .step p {
  margin: 0;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.75;
}
.page-faq .faq-trouble__figure img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-line);
  background: var(--paper-raise);
}

/* ---------- 账号安全 ---------- */
.page-faq .faq-safe {
  background: var(--paper);
  padding: var(--faq-block) 0;
}
.page-faq .faq-safe__intro .faq-h2 { margin-top: 6px; }
.page-faq .faq-safe__intro .faq-p { max-width: 32ch; }

.page-faq .safe-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .safe-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--faq-line);
}
.page-faq .safe-item:last-child { border-bottom: 1px solid var(--faq-line); }
.page-faq .safe-item__no {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--gold);
  padding-top: 3px;
}
.page-faq .safe-item h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  margin: 0 0 6px;
}
.page-faq .safe-item p {
  margin: 0;
  color: var(--grey);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-cta {
  color: var(--paper);
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-deep) 100%);
  padding: var(--faq-block) 0;
}
.page-faq .faq-cta__box {
  background: rgba(245, 239, 226, .045);
  border: 1px solid var(--faq-line-dark);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 46px);
}
.page-faq .faq-cta__head p {
  margin: 0 0 24px;
  color: rgba(245, 239, 226, .78);
  font-size: 15.5px;
  line-height: 1.8;
  max-width: 62ch;
}
.page-faq .faq-cta__contacts {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}
@media (min-width: 760px) {
  .page-faq .faq-cta__contacts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}
.page-faq .faq-cta__contacts li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--faq-line-dark);
  border-radius: var(--radius-md);
  background: rgba(15, 42, 34, .34);
}
.page-faq .faq-cta__k {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: rgba(245, 239, 226, .62);
}
.page-faq .faq-cta__v {
  font-family: var(--font-num);
  font-size: 14.5px;
  color: var(--paper-raise);
}
.page-faq .faq-cta__note {
  margin: 0 0 22px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 239, 226, .64);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}