/* ===================== 帮助中心 ===================== */
.page-faq {
  --faq-rail-w: 236px;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-faq .prose {
  max-width: 34em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.5vw, 52px) 0 clamp(76px, 10vw, 118px);
  background:
    radial-gradient(120% 96% at 86% 6%, rgba(30, 111, 217, .55) 0%, rgba(11, 27, 51, 0) 60%),
    linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 64%, #14406f 100%);
  color: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -36%;
  height: 74%;
  background: linear-gradient(96deg, rgba(30, 111, 217, .44) 0%, rgba(22, 194, 166, .16) 54%, rgba(255, 106, 19, .06) 100%);
  transform: skewY(-6deg);
  pointer-events: none;
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero__vnote {
  position: absolute;
  right: clamp(10px, 2vw, 28px);
  top: 46%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .28);
  pointer-events: none;
  z-index: 1;
}

.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .62);
}

.page-faq .crumbs a {
  color: var(--orange-soft);
  text-decoration: none;
}

.page-faq .crumbs a:hover {
  color: var(--white);
}

.page-faq .crumbs__sep {
  color: rgba(255, 255, 255, .35);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  max-width: 15em;
  font-size: clamp(30px, 5.6vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-hero__desc {
  margin: 0;
  max-width: 32em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
  background: rgba(255, 255, 255, .08);
  border: 1px solid var(--line-inv);
  clip-path: var(--cut-sm);
  transition: background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--orange);
  color: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-jump__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  opacity: .78;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
}

.page-faq .faq-hero__figure::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1px solid rgba(255, 106, 19, .55);
  clip-path: var(--cut);
  pointer-events: none;
}

.page-faq .faq-hero__figure .media-frame {
  position: relative;
  z-index: 1;
  box-shadow: 0 34px 64px -36px rgba(0, 0, 0, .8);
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
  }
}

@media (max-width: 900px) {
  .page-faq .faq-hero__vnote {
    display: none;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero__figure::before {
    display: none;
  }
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  background: var(--white);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-faq .faq-step {
  position: relative;
  overflow: hidden;
  padding: 30px 22px 26px;
  background: var(--white);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 4px;
  background: var(--orange);
}

.page-faq .faq-step:hover {
  transform: translateY(-4px);
  border-color: var(--line);
  box-shadow: 0 24px 44px -32px rgba(11, 27, 51, .68);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-faq .faq-step__title {
  margin: 14px 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

@media (min-width: 780px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 问答主体 ---------- */
.page-faq .sec--mist {
  background: var(--mist);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 14px;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  background: rgba(255, 255, 255, .72);
  border-left: 3px solid transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-rail__link:hover {
  background: var(--white);
  border-left-color: var(--orange-soft);
}

.page-faq .faq-rail__link.is-active {
  background: var(--white);
  border-left-color: var(--orange);
  color: var(--navy);
  font-weight: 700;
}

.page-faq .faq-rail__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gray);
}

.page-faq .faq-groups {
  min-width: 0;
  display: grid;
  gap: clamp(34px, 4.5vw, 54px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--h-bar) + 24px);
}

.page-faq .faq-group__head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 3px;
  background: var(--orange);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-group__count {
  margin-left: auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
}

.page-faq .faq-group__items {
  display: grid;
  gap: 10px;
  margin-top: clamp(16px, 2vw, 22px);
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--h-bar) + 20px);
  }
}

@media (max-width: 979px) {
  .page-faq .faq-rail__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

  .page-faq .faq-rail__list::-webkit-scrollbar {
    display: none;
  }

  .page-faq .faq-rail__link {
    border-left: 0;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    background: var(--white);
  }

  .page-faq .faq-rail__link:hover {
    border-bottom-color: var(--orange-soft);
  }

  .page-faq .faq-rail__link.is-active {
    border-left: 0;
    border-bottom-color: var(--orange);
  }
}

/* ---------- 折叠问答 ---------- */
.page-faq .fold {
  background: var(--white);
  border: 1px solid var(--line-soft);
  clip-path: var(--cut-sm);
  transition: border-color .18s var(--ease);
}

.page-faq .fold:hover {
  border-color: rgba(30, 111, 217, .34);
}

.page-faq .fold__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.page-faq .fold__trigger:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-faq .fold__q {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.page-faq .fold__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-faq .fold__sign {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--navy);
  border-bottom: 2px solid var(--navy);
  transform: rotate(45deg);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .fold__trigger[aria-expanded="true"] .fold__sign {
  transform: rotate(-135deg);
  border-color: var(--orange);
}

.page-faq .fold__panel {
  padding: 0 18px 18px 44px;
}

.page-faq .fold__panel p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .fold__panel a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .fold__panel a:hover {
  color: var(--orange);
}

@media (max-width: 600px) {
  .page-faq .fold__panel {
    padding-left: 18px;
  }
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 联系人工 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  padding: clamp(78px, 10vw, 122px) 0 clamp(54px, 7vw, 84px);
  background:
    radial-gradient(90% 130% at 10% 0%, rgba(30, 111, 217, .5) 0%, rgba(11, 27, 51, 0) 58%),
    linear-gradient(140deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white);
  clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .faq-help__title {
  margin: 10px 0 14px;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-help__desc {
  margin: 0 0 24px;
  max-width: 30em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-inv);
  border: 1px solid var(--line-inv);
  clip-path: var(--cut);
}

.page-faq .faq-help__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 15px 18px;
  background: rgba(11, 27, 51, .74);
}

.page-faq .faq-help__k {
  flex: 0 0 auto;
  min-width: 74px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .58);
}

.page-faq .faq-help__v {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__tips {
  margin-top: clamp(30px, 4vw, 46px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-inv);
}

.page-faq .faq-help__tips-title {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-help__tips ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help__tips li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .74);
}

.page-faq .faq-help__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 11px;
  height: 2px;
  background: var(--orange);
}

@media (min-width: 900px) {
  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-faq .faq-help__tips ul {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.4vw, 30px);
  }
}

/* ---------- 暗底元素适配 ---------- */
.page-faq .faq-help .btn--solid {
  color: var(--ink);
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>