/* ===== 帮助中心 /help-center/ ===== */
.page-faq{
  --faq-c-account: var(--pine-2);
  --faq-c-login: var(--blue);
  --faq-c-download: var(--orange);
  --faq-c-feedback: var(--teal);
  --faq-c-security: var(--pine);
  --faq-ring: rgba(242, 107, 33, .18);
  --faq-sticky: calc(var(--header-h) + 28px);
}

.page-faq [data-cat="account"]{ --dot: var(--faq-c-account); }
.page-faq [data-cat="login"]{ --dot: var(--faq-c-login); }
.page-faq [data-cat="download"]{ --dot: var(--faq-c-download); }
.page-faq [data-cat="feedback"]{ --dot: var(--faq-c-feedback); }
.page-faq [data-cat="security"]{ --dot: var(--faq-c-security); }

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{ padding: 26px 0 6px; }
.page-faq .faq-hero__grid{ display: grid; gap: 26px; }
.page-faq .faq-hero h1{
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 12px 0 0;
  max-width: 20ch;
}
.page-faq .faq-hero .lede{
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.85;
}
.page-faq .faq-quick{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
}
.page-faq .faq-quick__label{ font-size: 13px; color: var(--graphite); }
.page-faq .faq-quick__item{
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--glass);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease;
}
.page-faq .faq-quick__item:hover{ border-color: var(--orange); background: var(--orange-soft); }

.page-faq .faq-hero__note{
  padding: 22px;
  border-radius: var(--radius);
}
.page-faq .faq-hero__note-cap{
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--pine-2);
}
.page-faq .faq-hero__note-text{
  margin: 10px 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 分类 ---------- */
.page-faq .faq-cats__figure{ margin: 26px 0 0; }
.page-faq .figure__frame{ overflow: hidden; border-radius: var(--radius); border: 1px solid var(--hair); }
.page-faq .figure__frame img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .figure__cap{
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-faq .faq-cats{
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
.page-faq .faq-cat__link{
  display: grid;
  grid-template-columns: 12px 1fr auto;
  grid-template-areas:
    "dot name count"
    "dot hint hint";
  align-items: center;
  gap: 6px 12px;
  height: 100%;
  padding: 17px 18px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.page-faq .faq-cat__link:hover{
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -18px rgba(16, 26, 24, .5);
}
.page-faq .faq-cat__dot{
  grid-area: dot;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dot);
}
.page-faq .faq-cat__name{
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
}
.page-faq .faq-cat__count{
  grid-area: count;
  font-size: 13px;
  color: var(--graphite);
  white-space: nowrap;
}
.page-faq .faq-cat__hint{
  grid-area: hint;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 回访三步 ---------- */
.page-faq .faq-route-sec{ position: relative; }
.page-faq .faq-route{
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--hair);
}
.page-faq .faq-route__step{
  padding: 24px 0;
  border-bottom: 1px solid var(--hair-soft);
}
.page-faq .faq-route__num{
  display: block;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 46px;
  line-height: 1;
  letter-spacing: -.02em;
  color: rgba(199, 210, 214, .55);
  -webkit-text-stroke: 1px var(--pine-2);
  margin-bottom: 12px;
}
.page-faq .faq-route__title{
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.55;
}
.page-faq .faq-route__body{
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
}
.page-faq .faq-route__body a{ color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.page-faq .faq-route__cond{
  margin: 12px 0 0;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  background: var(--orange-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}
.page-faq .faq-route__figure{ margin: 28px 0 0; }

/* ---------- 问答清单 ---------- */
.page-faq .faq-filter{ margin-top: 22px; }
.page-faq .faq-split{ display: grid; gap: 20px; margin-top: 22px; }

.page-faq .faq-side__cap{
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--graphite);
}
.page-faq .faq-side__list{
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-side__link{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--glass);
  color: var(--graphite);
  font-size: 13px;
  line-height: 1.6;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
.page-faq .faq-side__link:hover{ color: var(--ink); border-color: var(--dot); background: #fff; }
.page-faq .faq-side__dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dot);
  flex: none;
}
.page-faq .faq-side__n{ font-size: 12px; color: var(--gray); }

.page-faq .faq-group{
  margin: 0 0 36px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.page-faq .faq-group:last-child{ margin-bottom: 0; }
.page-faq .faq-group__title{
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--hair);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.page-faq .faq-group__title::before{
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--dot);
  flex: none;
}

.page-faq .faq-q{ border-bottom: 1px solid var(--hair-soft); }
.page-faq .faq-q__q{
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 34px 15px 16px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-q__q::-webkit-details-marker{ display: none; }
.page-faq .faq-q__q::before{
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray);
  transition: background-color .18s ease, box-shadow .18s ease;
}
.page-faq .faq-q__q::after{
  content: "+";
  position: absolute;
  right: 4px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--graphite);
}
.page-faq .faq-q[open] > .faq-q__q::before{
  background: var(--dot);
  box-shadow: 0 0 0 4px var(--faq-ring);
}
.page-faq .faq-q[open] > .faq-q__q::after{ content: "–"; color: var(--orange); }
.page-faq .faq-q__no{
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--graphite);
}
.page-faq .faq-q[open] > .faq-q__q .faq-q__no{ color: var(--dot); }
.page-faq .faq-q__a{
  padding: 0 34px 16px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
}
.page-faq .faq-q__a p{ margin: 0 0 8px; }
.page-faq .faq-q__a p:last-child{ margin-bottom: 0; }
.page-faq .faq-q__a a{ color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 转接通道 ---------- */
.page-faq .faq-handoff{
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 26px;
  padding: 26px 20px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background:
    linear-gradient(148deg, rgba(31, 107, 88, .10), rgba(238, 242, 244, .2) 62%),
    var(--silver);
}
.page-faq .faq-handoff::after{
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(31, 107, 88, .28);
  border-radius: 18px;
  transform: rotate(15deg);
  pointer-events: none;
}
.page-faq .faq-handoff__title{
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: -.01em;
}
.page-faq .faq-handoff__text{
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
}
.page-faq .faq-handoff__text a{ color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.page-faq .faq-prep{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-faq .faq-prep li{
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}
.page-faq .faq-prep li::before{
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--pine-2);
  transform: rotate(45deg);
}
.page-faq .faq-handoff__acts{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-faq .faq-handoff__side{ padding: 24px; border-radius: var(--radius); }
.page-faq .faq-handoff__cap{
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .7);
}
.page-faq .faq-handoff__big{
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 10px 0 0;
  color: #fff;
}
.page-faq .faq-handoff__big .num{
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 46px;
  line-height: 1;
}
.page-faq .faq-handoff__unit{ font-size: 14px; color: rgba(255, 255, 255, .82); }
.page-faq .faq-handoff__side-text{
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .78);
}
.page-faq .faq-handoff__list{
  list-style: none;
  margin: 18px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .18);
  display: grid;
  gap: 9px;
}
.page-faq .faq-handoff__list li{
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .88);
}
.page-faq .faq-handoff__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

/* ---------- 维护节奏 ---------- */
.page-faq .faq-upkeep{ display: grid; gap: 26px; }
.page-faq .faq-upkeep__title{
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -.01em;
}
.page-faq .faq-upkeep__text{
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
}
.page-faq .faq-upkeep__text a{ color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.page-faq .faq-upkeep__stats{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
.page-faq .faq-upkeep__stats li{
  padding: 16px 18px;
  border: 1px solid var(--hair);
  border-left: 4px solid var(--pine-2);
  border-radius: var(--radius-sm);
  background: var(--glass);
}
.page-faq .faq-upkeep__num{
  display: block;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.1;
  color: var(--pine);
}
.page-faq .faq-upkeep__lab{
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-faq .faq-cats{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-faq .faq-upkeep__stats{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-faq .faq-handoff{ padding: 30px 28px; }
}

@media (min-width: 900px){
  .page-faq .faq-hero{ padding-top: 40px; }
  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }
  .page-faq .faq-hero__note{ margin-top: 64px; }
  .page-faq .faq-cats{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-faq .faq-route{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
  }
  .page-faq .faq-route__step{
    padding: 0 30px 8px 0;
    border-bottom: 0;
  }
  .page-faq .faq-route__step + .faq-route__step{
    padding-left: 30px;
    border-left: 1px solid var(--hair-soft);
  }
  .page-faq .faq-route__step:last-child{ padding-right: 0; }
  .page-faq .faq-handoff{
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .9fr);
    gap: 44px;
    padding: 40px;
    align-items: start;
  }
  .page-faq .faq-upkeep{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px){
  .page-faq .faq-split{
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-faq .faq-side{
    position: sticky;
    top: var(--faq-sticky);
  }
  .page-faq .faq-side__list{
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-side__link{
    border-radius: var(--radius-sm);
    border-color: transparent;
    background: transparent;
    padding: 9px 12px;
  }
  .page-faq .faq-side__link:hover{ background: #fff; border-color: var(--hair); }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-cat__link,
  .page-faq .faq-quick__item,
  .page-faq .faq-side__link,
  .page-faq .faq-q__q::before{ transition: none; }
  .page-faq .faq-cat__link:hover{ transform: none; }
}
<<<END>>>