/* ===== 支持中心 · 页面专属样式 ===== */

.page-faq {
  --faq-tone: var(--c-cyan);
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: stretch;
  padding: 24px 0 8px;
}

.page-faq .faq-hero__text {
  position: relative;
  padding: 30px 22px 38px;
  background: var(--c-orange);
  color: #fff;
  overflow: hidden;
}

.page-faq .faq-hero__text::before {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -46%;
  width: 78%;
  height: 92%;
  background: var(--c-orange-deep);
  transform: rotate(20deg);
  pointer-events: none;
}

.page-faq .faq-hero__text::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 76px;
  height: 76px;
  background: var(--c-cyan);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: .9;
  pointer-events: none;
}

.page-faq .faq-hero__text > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  padding: 4px 9px;
  border: 1px solid rgba(255, 255, 255, .58);
  margin-bottom: 18px;
}

.page-faq .faq-hero h1 {
  font-size: clamp(28px, 7.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  margin: 0 0 16px;
}

.page-faq .faq-hero__lead {
  font-size: 15px;
  line-height: 1.78;
  max-width: 46ch;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, .94);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--c-grid);
  background: var(--c-canvas);
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-faq .faq-hero__media::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 30px;
  background: var(--c-gold);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  z-index: 1;
}

/* ---------- 通用按钮 ---------- */
.page-faq .faq-cta {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: 1px solid currentColor;
  transition: transform var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}

.page-faq .faq-cta:hover {
  transform: translateY(-2px);
}

.page-faq .faq-cta--solid {
  background: var(--c-ink);
  color: #fff;
  border-color: var(--c-ink);
}

.page-faq .faq-cta--solid:hover {
  background: var(--c-canvas);
  color: var(--c-ink);
  border-color: var(--c-canvas);
}

.page-faq .faq-hero .faq-cta--solid:hover {
  background: #fff;
  color: var(--c-orange-deep);
  border-color: #fff;
}

.page-faq .faq-cta--outline {
  background: transparent;
  color: #fff;
}

.page-faq .faq-cta--outline:hover {
  background: #fff;
  color: var(--c-orange-deep);
}

/* ---------- 索引 ---------- */
.page-faq .faq-index {
  padding-top: 34px;
}

.page-faq .faq-index__grid {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--c-grid);
  border: 1px solid var(--c-grid);
}

.page-faq .idx-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  min-height: 118px;
  padding: 16px 14px 18px;
  background: var(--c-ink);
  color: var(--c-canvas);
  text-decoration: none;
  overflow: hidden;
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

.page-faq .idx-cell::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--faq-tone);
}

.page-faq .idx-cell:hover,
.page-faq .idx-cell:focus-visible {
  background: var(--c-slate);
  transform: translateY(-3px);
}

.page-faq .idx-cell--gold { --faq-tone: var(--c-gold); }
.page-faq .idx-cell--cool { --faq-tone: var(--c-cool); }
.page-faq .idx-cell--cyan { --faq-tone: var(--c-cyan); }
.page-faq .idx-cell--moss { --faq-tone: var(--c-moss); }
.page-faq .idx-cell--orange { --faq-tone: var(--c-orange); }

.page-faq .idx-cell__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--faq-tone);
}

.page-faq .idx-cell__name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .idx-cell__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(247, 242, 230, .6);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 84px;
  padding: 46px 0 6px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--c-ink);
  margin-bottom: 2px;
}

.page-faq .faq-group__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--faq-tone, var(--c-cyan));
}

.page-faq .faq-group__title {
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.16;
  margin: 0;
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-slate);
  max-width: 58ch;
}

/* 主题色条 */
.page-faq .faq-q--gold { --faq-tone: var(--c-gold); }
.page-faq .faq-q--cool { --faq-tone: var(--c-cool); }
.page-faq .faq-q--cyan { --faq-tone: var(--c-cyan); }
.page-faq .faq-q--moss { --faq-tone: var(--c-moss); }
.page-faq .faq-q--orange { --faq-tone: var(--c-orange); }

/* ---------- 可展开内容组 ---------- */
.page-faq details.faq-q {
  border-left: 3px solid var(--faq-tone, var(--c-grid));
  border-bottom: 1px solid var(--c-grid);
  background: var(--c-paper);
}

.page-faq details.faq-q summary.accordion__q {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 16px 44px 16px 18px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.58;
  color: var(--c-ink);
  transition: background var(--dur-fast) var(--ease);
}

.page-faq details.faq-q summary.accordion__q::-webkit-details-marker {
  display: none;
}

.page-faq details.faq-q summary.accordion__q::marker {
  content: "";
}

.page-faq details.faq-q summary.accordion__q::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--c-slate);
  border-bottom: 2px solid var(--c-slate);
  transform: translateY(-72%) rotate(45deg);
  transition: transform var(--dur-fast) var(--ease);
}

.page-faq details.faq-q[open] summary.accordion__q::after {
  transform: translateY(-28%) rotate(-135deg);
}

.page-faq details.faq-q summary.accordion__q:hover,
.page-faq details.faq-q[open] summary.accordion__q {
  background: var(--c-canvas);
}

.page-faq details.faq-q[open] {
  border-left-width: 3px;
}

.page-faq .faq-a {
  padding: 2px 40px 20px 18px;
  background: var(--c-canvas);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

.page-faq .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--c-ink);
}

/* ---------- 电脑版配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 1px solid var(--c-grid);
  background: var(--c-canvas);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-figure .media__cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-slate);
  border-top: 1px solid var(--c-grid);
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-group--manual {
  margin-top: 40px;
  padding: 32px 20px 36px;
  background: var(--c-ink);
  color: var(--c-canvas);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-group--manual::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 190px;
  height: 100%;
  background: var(--c-orange);
  opacity: .13;
  clip-path: polygon(46% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-group--manual .faq-group__head {
  position: relative;
  border-bottom-color: var(--c-orange);
}

.page-faq .faq-group--manual .faq-group__title {
  color: var(--c-canvas);
}

.page-faq .faq-group--manual .faq-group__note {
  color: rgba(247, 242, 230, .76);
}

.page-faq .faq-group--manual details.faq-q {
  position: relative;
  background: rgba(255, 255, 255, .04);
  border-bottom-color: rgba(255, 255, 255, .12);
}

.page-faq .faq-group--manual details.faq-q summary.accordion__q {
  color: var(--c-canvas);
}

.page-faq .faq-group--manual details.faq-q summary.accordion__q::after {
  border-color: var(--c-cyan);
}

.page-faq .faq-group--manual details.faq-q summary.accordion__q:hover,
.page-faq .faq-group--manual details.faq-q[open] summary.accordion__q {
  background: rgba(255, 255, 255, .09);
}

.page-faq .faq-group--manual .faq-a {
  background: transparent;
  color: rgba(247, 242, 230, .82);
}

.page-faq .faq-group--manual .faq-a .num {
  color: var(--c-canvas);
}

.page-faq .faq-manual {
  position: relative;
  margin-top: 24px;
  padding: 24px 18px 26px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .03);
}

.page-faq .faq-manual__path {
  display: block;
  width: 180px;
  max-width: 70%;
  height: 22px;
  color: var(--c-cyan);
  margin-bottom: 14px;
}

.page-faq .faq-manual__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(247, 242, 230, .88);
  max-width: 44ch;
}

.page-faq .faq-manual__list {
  margin: 0 0 22px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-manual__list > div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items: baseline;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  padding-bottom: 9px;
}

.page-faq .faq-manual__list dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(247, 242, 230, .58);
}

.page-faq .faq-manual__list dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--c-canvas);
  word-break: break-all;
}

.page-faq .faq-manual .num {
  color: var(--c-canvas);
}

.page-faq .faq-manual__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-manual .faq-cta--solid {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #fff;
}

.page-faq .faq-manual .faq-cta--solid:hover {
  background: var(--c-canvas);
  color: var(--c-orange-deep);
  border-color: var(--c-canvas);
}

.page-faq .faq-manual .faq-cta--outline {
  color: var(--c-canvas);
}

.page-faq .faq-manual .faq-cta--outline:hover {
  background: var(--c-canvas);
  color: var(--c-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .idx-cell {
    min-height: 138px;
    padding: 20px 18px 22px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: auto 1fr auto;
    align-items: baseline;
  }

  .page-faq .faq-group__note {
    grid-column: 3;
    max-width: 34ch;
    text-align: right;
  }

  .page-faq .faq-manual {
    padding: 30px 28px 32px;
  }

  .page-faq .faq-manual__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-faq .faq-manual__list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.15fr 1fr;
    gap: 0;
    padding-top: 32px;
  }

  .page-faq .faq-hero__text {
    padding: 48px 44px 52px 40px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-hero__media {
    border-left: 0;
  }

  .page-faq .faq-hero__media img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-faq details.faq-q summary.accordion__q {
    padding: 18px 52px 18px 22px;
    font-size: 15.5px;
  }

  .page-faq .faq-a {
    padding: 2px 52px 22px 22px;
    max-width: 78ch;
  }

  .page-faq .faq-group--manual {
    padding: 40px 40px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cta,
  .page-faq .idx-cell,
  .page-faq details.faq-q summary.accordion__q,
  .page-faq details.faq-q summary.accordion__q::after {
    transition: none;
  }

  .page-faq .faq-cta:hover,
  .page-faq .idx-cell:hover,
  .page-faq .idx-cell:focus-visible {
    transform: none;
  }
}