/* ===== 支持中心 / page-faq ===== */
.page-faq {
  --faq-gap: clamp(2.75rem, 6.5vw, 5.5rem);
  --faq-qsize: clamp(1.02rem, 2.4vw, 1.2rem);
  --faq-wrap-pad: clamp(20px, 5vw, 40px);
  background:
    radial-gradient(90% 55% at 6% 0%, rgba(88, 183, 218, .10), transparent 62%),
    radial-gradient(80% 50% at 98% 4%, rgba(233, 193, 115, .09), transparent 60%),
    var(--sky-deep);
  color: var(--ink-80);
}

.page-faq a {
  color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(6.5rem, 15vw, 10.5rem) 0 clamp(1.75rem, 4.5vw, 3rem);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(243, 238, 226, .40) 1px, transparent 1.4px);
  background-size: 96px 78px;
  opacity: .13;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: 4%;
  z-index: 0;
  width: min(560px, 68vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(154, 143, 214, .22), rgba(88, 183, 218, .10) 46%, transparent 70%);
}

.page-faq .faq-hero .gx-wrap {
  position: relative;
  z-index: 1;
  padding-left: var(--faq-wrap-pad);
  padding-right: var(--faq-wrap-pad);
}

.page-faq .faq-hero .gx-crumbs {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-faq .faq-hero .gx-h1 {
  margin: .7rem 0 1rem;
  max-width: 17ch;
  font-size: clamp(2rem, 6.6vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-hero .gx-lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1rem, 1.9vw, 1.1rem);
  line-height: 1.85;
  color: var(--ink-70);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: clamp(1.5rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: .45rem .95rem;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-pill);
  background: rgba(12, 20, 40, .55);
  color: var(--ink-80);
  font-size: .875rem;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-jump a:hover {
  border-color: var(--gold);
  background: rgba(233, 193, 115, .10);
  color: var(--gold);
}

.page-faq .faq-jump a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 分组容器 ---------- */
.page-faq .faq-group {
  padding-top: var(--faq-gap);
}

.page-faq .faq-group--first,
.page-faq .faq-hero + .faq-group {
  padding-top: clamp(1.25rem, 3.5vw, 2.25rem);
}

.page-faq .faq-group .gx-wrap {
  position: relative;
  padding-left: var(--faq-wrap-pad);
  padding-right: var(--faq-wrap-pad);
  max-width: calc(var(--grid-max) + var(--faq-wrap-pad) * 2);
  margin: 0 auto;
}

.page-faq .faq-group + .faq-group > .gx-wrap::before {
  content: "";
  position: absolute;
  left: var(--faq-wrap-pad);
  right: var(--faq-wrap-pad);
  top: calc(var(--faq-gap) * -.62);
  height: 1px;
  background: linear-gradient(90deg, rgba(233, 193, 115, .55), rgba(88, 183, 218, .28) 42%, transparent 94%);
  pointer-events: none;
}

.page-faq .faq-group--last {
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group-hd {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: .8rem;
  row-gap: .55rem;
  margin-bottom: clamp(1rem, 2.6vw, 1.7rem);
}

.page-faq .faq-num {
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-group-hd .gx-h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-group-note {
  grid-column: 2 / -1;
  margin: 0;
  max-width: 64ch;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-50);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--hair);
}

.page-faq .faq-list--spaced {
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  min-height: 44px;
  padding: 1.05rem 2.25rem 1.05rem 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: var(--faq-qsize);
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: .55em;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  transform: rotate(-135deg);
}

.page-faq .faq-item > summary:hover {
  color: var(--gold);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

.page-faq .faq-item .gx-fold-bd {
  margin: 0 0 1.4rem;
  padding: 0 0 0 1.15rem;
  border-left: 2px solid transparent;
  max-width: 68ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink-70);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .gx-fold-bd {
  border-left-color: var(--gold);
}

.page-faq .faq-item .gx-fold-bd p {
  margin: 0 0 .75rem;
}

.page-faq .faq-item .gx-fold-bd p:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-item .gx-fold-bd a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item .gx-fold-bd a:hover {
  color: var(--gold);
}

/* ---------- 表格 ---------- */
.page-faq .faq-table-wrap {
  margin: 0;
  padding: .3rem;
  border: 1px solid var(--hair);
  border-radius: var(--radius-m);
  background: var(--sky-night);
}

.page-faq .faq-cap {
  padding: .6rem .75rem .2rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--ink-50);
}

.page-faq .faq-tier-table,
.page-faq .faq-size-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-faq .faq-tier-table th,
.page-faq .faq-tier-table td,
.page-faq .faq-size-table th,
.page-faq .faq-size-table td {
  padding: .7rem .85rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hair);
  color: var(--ink-70);
}

.page-faq .faq-tier-table thead th,
.page-faq .faq-size-table thead th {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--gold);
  border-bottom-color: var(--hair-strong);
  white-space: nowrap;
}

.page-faq .faq-tier-table tbody th,
.page-faq .faq-size-table tbody th {
  font-weight: 500;
  color: var(--paper);
}

.page-faq .faq-tier-table tbody tr:hover td,
.page-faq .faq-tier-table tbody tr:hover th,
.page-faq .faq-size-table tbody tr:hover td,
.page-faq .faq-size-table tbody tr:hover th {
  background: rgba(233, 193, 115, .06);
}

.page-faq .faq-size-table tbody td:first-child {
  color: var(--orange);
  white-space: nowrap;
}

/* ---------- 批次条目 ---------- */
.page-faq .faq-batch {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem 1rem;
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
  padding: .9rem 1.05rem;
  border: 1px solid var(--hair);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(23, 34, 74, .72);
}

.page-faq .faq-batch p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ink-70);
}

/* ---------- 版本复制按钮 ---------- */
.page-faq .faq-verbtn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: .9rem;
  padding: .45rem 1rem;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-pill);
  background: rgba(23, 34, 74, .8);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: .82rem;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-verbtn:hover {
  border-color: var(--gold);
  background: rgba(233, 193, 115, .12);
}

.page-faq .faq-verbtn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-verbtn[data-copied="true"] {
  border-color: var(--jade);
  color: var(--jade);
}

/* ---------- 适配对照正文 ---------- */
.page-faq .faq-screen-body {
  display: grid;
  gap: clamp(1.25rem, 3.5vw, 2.25rem);
  grid-template-columns: 1fr;
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  align-items: start;
}

.page-faq .faq-screen-text .gx-h3 {
  margin: 0 0 .9rem;
  color: var(--paper);
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
}

.page-faq .faq-check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqcheck;
}

.page-faq .faq-check-list li {
  position: relative;
  counter-increment: faqcheck;
  padding: 0 0 .9rem 2.25rem;
  font-size: .925rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-faq .faq-check-list li::before {
  content: counter(faqcheck) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--ice);
}

.page-faq .faq-check-list li:last-child {
  padding-bottom: 0;
}

/* ---------- 固定速查条 ---------- */
.page-faq .faq-quickbar {
  position: sticky;
  bottom: 0;
  z-index: 6;
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  padding: .75rem clamp(.85rem, 3vw, 1.15rem) .55rem;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius-m);
  background: rgba(12, 20, 40, .95);
  box-shadow: var(--shadow-float);
}

.page-faq .faq-quickbar-hd {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .6rem;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--ink-50);
}

.page-faq .faq-quickbar-hd .gx-mono {
  color: var(--gold);
}

.page-faq .faq-quickbar-list {
  display: flex;
  gap: .4rem;
  margin: 0;
  padding: 0 0 .2rem;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-quickbar-list li {
  flex: none;
  display: flex;
  flex-direction: column;
  gap: .15rem;
  min-width: 5.25rem;
  padding: .45rem .7rem;
  border-radius: var(--radius-s);
  background: var(--nebula);
  font-size: .72rem;
  color: var(--ink-50);
}

.page-faq .faq-quickbar-list .gx-mono {
  font-size: .8rem;
  color: var(--gold);
}

/* ---------- 自助排查 ---------- */
.page-faq .faq-steps-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3.5vw, 2rem);
  align-items: start;
}

.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-step-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step-list li {
  position: relative;
  padding: 0 0 1.4rem 3.1rem;
  border-left: 1px solid var(--hair);
  margin-left: .05rem;
}

.page-faq .faq-step-list li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-step-list li::before {
  content: "";
  position: absolute;
  left: -1.25rem;
  top: -.1rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--hair-strong);
  background: var(--sky-night);
}

.page-faq .faq-step-list li::after {
  content: attr(data-step);
  position: absolute;
  left: -1.25rem;
  top: -.1rem;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--gold);
}

.page-faq .faq-step-list li:nth-child(1)::after { content: "01"; }
.page-faq .faq-step-list li:nth-child(2)::after { content: "02"; }
.page-faq .faq-step-list li:nth-child(3)::after { content: "03"; }

.page-faq .faq-step-list .gx-h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  color: var(--paper);
}

.page-faq .faq-step-list p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-70);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--sky-night);
}

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

.page-faq .faq-figure .media-frame-cap {
  padding: .7rem .9rem .85rem;
  margin: 0;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--ink-50);
  border-top: 1px solid var(--hair);
}

/* ---------- 联系渠道 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .faq-contact-grid .gx-card {
  background: rgba(23, 34, 74, .78);
  border: 1px solid var(--hair);
  border-radius: var(--radius-m);
  padding: 1.15rem 1.2rem 1rem;
}

.page-faq .faq-contact-grid .gx-card-hd .gx-h3 {
  margin: 0 0 .7rem;
  font-size: 1rem;
  color: var(--paper);
}

.page-faq .faq-contact-grid .gx-card-bd p {
  margin: 0 0 .6rem;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-faq .faq-contact-val {
  font-size: .95rem;
  color: var(--gold) !important;
  word-break: break-word;
}

.page-faq .faq-contact-grid .gx-card-ft {
  padding-top: .7rem;
  border-top: 1px solid var(--hair);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ink-50);
}

.page-faq .faq-prepare {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--hair);
  border-radius: var(--radius-m);
  background: var(--sky-night);
}

.page-faq .faq-prepare .gx-h3 {
  margin: 0 0 .85rem;
  font-size: 1rem;
  color: var(--paper);
}

.page-faq .faq-prepare-list {
  display: grid;
  gap: .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-prepare-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  font-size: .89rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-faq .faq-foot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-faq .faq-meta {
  margin: 1.25rem 0 0;
  max-width: 70ch;
  font-size: .8rem;
  line-height: 1.8;
  color: var(--ink-50);
}

.page-faq .faq-meta .gx-link {
  color: var(--ice);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .page-faq .faq-prepare-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.5rem;
  }

  .page-faq .faq-screen-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  }
}

@media (min-width: 920px) {
  .page-faq .faq-steps-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .page-faq .faq-flow {
    grid-column: 1 / -1;
  }

  .page-faq .faq-tier-table,
  .page-faq .faq-size-table {
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-group-hd {
    grid-template-columns: 1fr;
    row-gap: .3rem;
  }

  .page-faq .faq-group-note {
    grid-column: 1 / -1;
  }

  .page-faq .faq-item > summary {
    padding-right: 1rem;
  }

  .page-faq .faq-quickbar {
    border-radius: var(--radius-s);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item > summary::before,
  .page-faq .faq-item .gx-fold-bd,
  .page-faq .faq-jump a,
  .page-faq .faq-verbtn,
  .page-faq .faq-item > summary {
    transition: none;
  }
}