/* ===== 支持中心 / page-faq ===== */

.page-faq {
  --faq-line: 2px;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--cream);
  padding: clamp(1.5rem, 3vw, 2.25rem) var(--page-x) clamp(3rem, 7vw, 5.5rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -12%;
  top: -32%;
  width: 54%;
  height: 176%;
  background: linear-gradient(155deg, var(--fox), var(--clay) 68%, transparent);
  transform: rotate(9deg);
  opacity: .17;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(243, 239, 231, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243, 239, 231, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-faq .faq-hero__crumbs {
  position: relative;
  max-width: 1280px;
  margin: 0 auto clamp(1.25rem, 3vw, 2.25rem);
}

.page-faq .faq-hero__crumbs .crumbs,
.page-faq .faq-hero__crumbs .crumbs a {
  color: var(--mist);
}

.page-faq .faq-hero__crumbs .crumbs a:hover,
.page-faq .faq-hero__crumbs .crumbs a:focus-visible {
  color: var(--fox);
}

.page-faq .faq-hero__grid {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--flux);
}

.page-faq .faq-hero__kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--flux);
  animation: faq-pulse 2s var(--ease) infinite;
}

@keyframes faq-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(53, 240, 160, .55); }
  70%  { box-shadow: 0 0 0 11px rgba(53, 240, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 240, 160, 0); }
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.85rem, 6vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  transform: skewX(-5deg);
  transform-origin: left bottom;
  color: var(--cream);
}

.page-faq .faq-hero h1 em {
  display: block;
  font-style: inherit;
  color: var(--fox);
  margin-top: .18em;
}

.page-faq .faq-hero__intro {
  max-width: 56ch;
  margin: 1.35rem 0 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.75rem;
  margin-top: 1.9rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(243, 239, 231, .16);
}

.page-faq .faq-hero__meta span {
  display: inline-flex;
  align-items: baseline;
  font-size: .84rem;
  color: var(--mist);
}

.page-faq .faq-hero__meta b {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--fox);
  margin-right: .15rem;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__fig {
  margin: 0;
  overflow: hidden;
  border: var(--faq-line) solid var(--edge);
  box-shadow: var(--hard);
  background: var(--rock);
  transform: skewY(-2deg);
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.04);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
  }
  .page-faq .faq-hero__fig {
    transform: skewY(-2deg) translateY(-1.25rem);
  }
}

/* ---------- 主体：索引 + 问答复用组 ---------- */

.page-faq .faq-body {
  background: var(--cream);
  padding: clamp(2.5rem, 6vw, 4.5rem) var(--page-x) clamp(3rem, 7vw, 5.5rem);
}

.page-faq .faq-body__grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-index__title {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .15rem;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .55rem .6rem;
  border-left: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
  font-size: .9rem;
  line-height: 1.4;
  transition: border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-index__list a:hover {
  border-left-color: var(--fox);
  background: rgba(255, 90, 31, .09);
  transform: translateX(3px);
  color: var(--clay);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 2px;
}

.page-faq .faq-index__list .num {
  font-family: var(--font-mono);
  font-size: .86rem;
  font-weight: 700;
  color: var(--fox);
}

@media (min-width: 700px) and (max-width: 979px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(170px, 224px) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 2rem);
    align-self: start;
  }
  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }
}

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h) + 1.5rem);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: var(--faq-line) solid var(--edge);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(.75rem, 2vw, 1.25rem);
  row-gap: .55rem;
  align-items: start;
  margin-bottom: 1.75rem;
}

.page-faq .faq-group__no {
  grid-area: 1 / 1 / 3 / 2;
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.05em;
  color: var(--fox);
}

.page-faq .faq-group__head h2 {
  grid-area: 1 / 2 / 2 / 3;
  margin: 0;
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.3rem, 3.2vw, 1.95rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  transform: skewX(-5deg);
  transform-origin: left center;
  color: var(--ink);
}

.page-faq .faq-group__desc {
  grid-area: 2 / 2 / 3 / 3;
  margin: 0;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.72;
  color: var(--edge);
}

.page-faq .faq-visual {
  margin: 0 0 1.75rem;
  overflow: hidden;
  border: var(--faq-line) solid var(--edge);
  box-shadow: var(--hard);
  background: var(--ink);
  line-height: 0;
}

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

/* ---------- 问答复用组 ---------- */

.page-faq .faq-list {
  border-top: var(--faq-line) solid var(--edge);
  counter-reset: faqq;
}

.page-faq .faq-q {
  counter-increment: faqq;
  border-bottom: var(--faq-line) solid var(--edge);
  transition: transform .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-q[open] {
  background-color: rgba(255, 138, 61, .09);
  transform: translateX(-8px);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.05rem .9rem 1.05rem .25rem;
  cursor: pointer;
  list-style: none;
  font-size: clamp(.98rem, 2.2vw, 1.06rem);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

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

.page-faq .faq-q summary::before {
  content: counter(faqq, decimal-leading-zero);
  flex: 0 0 auto;
  padding-top: .22rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  color: var(--moss);
  transition: color .24s var(--ease);
}

.page-faq .faq-q[open] summary::before {
  color: var(--fox);
}

.page-faq .faq-q summary:hover {
  color: var(--clay);
}

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: -2px;
}

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

.page-faq .faq-q__sign {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: .18rem;
  border: var(--faq-line) solid var(--edge);
  transition: background-color .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-q__sign::before {
  left: 4px;
  right: 4px;
  top: 50%;
  height: 2px;
  margin-top: -1px;
}

.page-faq .faq-q__sign::after {
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 2px;
  margin-left: -1px;
}

.page-faq .faq-q[open] .faq-q__sign {
  background: var(--fox);
  border-color: var(--fox);
}

.page-faq .faq-q[open] .faq-q__sign::before,
.page-faq .faq-q[open] .faq-q__sign::after {
  background: var(--on-fox);
}

.page-faq .faq-q[open] .faq-q__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-q__body {
  padding: 0 1.25rem 1.35rem 2.4rem;
}

.page-faq .faq-q__body p {
  margin: 0 0 .7rem;
  max-width: 68ch;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--rock);
}

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

.page-faq .faq-q__body a {
  color: var(--clay);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-q__body a:hover,
.page-faq .faq-q__body a:focus-visible {
  color: var(--fox);
}

.page-faq .faq-q__body .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.02em;
  color: var(--clay);
  letter-spacing: -.01em;
}

@media (max-width: 640px) {
  .page-faq .faq-q[open] {
    transform: none;
  }
  .page-faq .faq-q summary {
    padding-right: .45rem;
  }
  .page-faq .faq-q__body {
    padding-left: 1.75rem;
    padding-right: .5rem;
  }
}

/* ---------- 直接找人 ---------- */

.page-faq .faq-help {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  scroll-margin-top: calc(var(--bar-h) + 1.5rem);
  background: var(--ink);
  color: var(--cream);
  padding: clamp(3rem, 7vw, 5.5rem) var(--page-x);
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -8%;
  bottom: -34%;
  width: 56%;
  height: 96%;
  background: linear-gradient(135deg, var(--fox), var(--clay));
  transform: rotate(-10deg);
  clip-path: polygon(0 26%, 100% 0, 100% 100%, 0 100%);
  opacity: .3;
  pointer-events: none;
}

.page-faq .faq-help::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  top: 0;
  width: 42%;
  height: 5px;
  background: linear-gradient(90deg, var(--fox), var(--lava), transparent);
  transform: skewX(-32deg);
  transform-origin: left top;
  pointer-events: none;
}

.page-faq .faq-help__inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-faq .faq-help__lead h2 {
  margin: 0 0 .9rem;
  font-weight: 900;
  font-style: italic;
  font-size: clamp(1.55rem, 4.4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  transform: skewX(-5deg);
  transform-origin: left center;
  color: var(--cream);
}

.page-faq .faq-help__lead p {
  margin: 0 0 1.6rem;
  max-width: 52ch;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-help__lead .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--flux);
}

.page-faq .faq-help__channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-help__channels li {
  display: grid;
  gap: .35rem;
  padding: 1.15rem 1.25rem;
  border: var(--faq-line) solid var(--edge);
  background: rgba(243, 239, 231, .04);
  transition: border-color .22s var(--ease), transform .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-help__channels li:hover {
  border-color: var(--fox);
  background: rgba(255, 90, 31, .08);
  transform: translateX(-4px);
}

.page-faq .faq-help__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-help__value {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3.6vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-help__value--mail {
  font-size: clamp(.88rem, 2.6vw, 1.15rem);
}

.page-faq .faq-help__hint {
  font-size: .82rem;
  line-height: 1.62;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }
}

/* ---------- 无障碍 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__kicker::before {
    animation: none;
  }
  .page-faq .faq-q,
  .page-faq .faq-q__sign,
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-index__list a,
  .page-faq .faq-help__channels li {
    transition: none;
  }
}