.page-faq {
  --faq-cut: 18px;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: 34px 0 54px;
  background: var(--sea-900);
  color: var(--mist);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: min(780px, 96%);
  height: 150%;
  background: radial-gradient(closest-side, rgba(224, 179, 87, 0.3), rgba(224, 179, 87, 0) 72%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 32px;
}

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

.page-faq .faq-hero .crumbs__list {
  color: rgba(230, 236, 241, 0.6);
}

.page-faq .faq-hero .crumbs__link {
  color: rgba(230, 236, 241, 0.88);
}

.page-faq .faq-hero__kicker {
  margin: 20px 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  margin-top: 20px;
  background: var(--gold);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: clamp(15.5px, 1.7vw, 17.5px);
  line-height: 1.85;
  color: rgba(230, 236, 241, 0.82);
}

.page-faq .faq-hero__figure {
  margin: 0;
  background: var(--sea-800);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
}

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

/* ---------- 三条最短路径 ---------- */
.page-faq .faq-paths {
  padding: 50px 0 40px;
}

.page-faq .faq-paths__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-paths__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-paths__grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 28px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  color: var(--ink);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  background: #ffffff;
  transform: translateY(-4px);
}

.page-faq .faq-path:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--coral);
}

.page-faq .faq-path__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-deep);
}

.page-faq .faq-path__title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--sea-900);
}

.page-faq .faq-path__text {
  flex: 1;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-path__go {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--sea-800);
  transition: color 0.22s var(--ease);
}

.page-faq .faq-path:hover .faq-path__go {
  color: var(--coral);
}

/* ---------- 入口与路径指引 ---------- */
.page-faq .faq-route {
  padding: 52px 0;
  background: var(--paper);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-route__grid {
  display: grid;
  gap: 34px;
}

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

.page-faq .faq-route__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-faq .faq-route__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--ink);
}

.page-faq .faq-route__lede {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .faq-route__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-route__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 3px 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-route__idx {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--gold-deep);
}

.page-faq .faq-route__name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--sea-900);
}

.page-faq .faq-route__note {
  font-size: 14px;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .faq-route__tail {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  padding-left: 14px;
  border-left: 3px solid var(--foam);
}

.page-faq .faq-route__figure {
  margin: 0;
  align-self: start;
}

.page-faq .faq-route__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--sea-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-route__figure figcaption {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-ask {
  padding: 54px 0 10px;
}

.page-faq .faq-ask__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
}

.page-faq .faq-ask__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.8vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-ask__lede {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-groups {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.page-faq .faq-group {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: background 0.25s var(--ease);
}

.page-faq .faq-group[open] {
  background: #ffffff;
}

.page-faq .faq-group__summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 19px 46px 19px 22px;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.page-faq .faq-group__summary::marker {
  content: "";
}

.page-faq .faq-group__summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 3px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-group[open] .faq-group__summary::before {
  transform: scaleY(1);
}

.page-faq .faq-group__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-deep);
}

.page-faq .faq-group__title {
  margin-right: auto;
  font-family: var(--font-head);
  font-size: 17.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--sea-900);
}

.page-faq .faq-group__count {
  flex: none;
  font-size: 12.5px;
  color: var(--slate);
}

.page-faq .faq-group__chev {
  position: absolute;
  right: 24px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -6px;
  border-right: 2px solid var(--slate);
  border-bottom: 2px solid var(--slate);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-group[open] .faq-group__chev {
  transform: rotate(-135deg);
  border-color: var(--gold-deep);
}

.page-faq .faq-group__body {
  display: grid;
  gap: 20px;
  padding: 4px 22px 26px;
}

.page-faq .qa {
  padding-top: 18px;
  border-top: 1px dashed rgba(11, 34, 57, 0.16);
}

.page-faq .qa:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .qa__q {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--sea-900);
}

.page-faq .qa__a {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 人工支持与工单 ---------- */
.page-faq .faq-help {
  padding: 46px 0 72px;
}

.page-faq .faq-help__panel {
  position: relative;
  overflow: hidden;
  padding: 34px 24px 36px;
  background: var(--sea-900);
  color: var(--mist);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.page-faq .faq-help__panel::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(255, 106, 77, 0.24), rgba(255, 106, 77, 0));
  pointer-events: none;
}

.page-faq .faq-help__kicker {
  position: relative;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-help__title {
  position: relative;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  color: #ffffff;
}

.page-faq .faq-help__grid {
  position: relative;
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

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

.page-faq .faq-help__text {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(230, 236, 241, 0.86);
}

.page-faq .faq-help__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--gold);
}

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

.page-faq .faq-help__tips li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(230, 236, 241, 0.74);
}

.page-faq .faq-help__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-help__col--side {
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-help__contact {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(230, 236, 241, 0.7);
}

.page-faq .faq-help__mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: #ffffff;
  word-break: break-all;
}

.page-faq .faq-help__copy {
  display: inline-block;
  margin: 10px 0 18px;
  padding: 9px 16px;
  background: transparent;
  border: 1px solid rgba(230, 236, 241, 0.34);
  color: rgba(230, 236, 241, 0.92);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .faq-help__copy:hover {
  background: rgba(230, 236, 241, 0.1);
  border-color: var(--gold);
}

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

.page-faq .faq-help__copy[data-copied] {
  border-color: var(--foam);
  color: var(--foam);
}

.page-faq .faq-help__note {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(230, 236, 241, 0.6);
}

.page-faq .faq-help__cta {
  display: inline-block;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-group__body {
    padding: 6px 56px 30px;
  }

  .page-faq .qa__q {
    font-size: 17.5px;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-path:nth-child(2) {
    margin-top: 26px;
  }

  .page-faq .faq-path:nth-child(3) {
    margin-top: 52px;
  }

  .page-faq .faq-paths {
    padding-bottom: 84px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 52px 0 72px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 58px;
    align-items: center;
  }

  .page-faq .faq-hero__figure img {
    aspect-ratio: 11 / 8;
  }

  .page-faq .faq-route__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-help__panel {
    padding: 52px 56px 54px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 52px;
  }

  .page-faq .faq-help__col--side {
    padding-top: 0;
    padding-left: 40px;
    border-top: 0;
    border-left: 1px solid var(--line-dark);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}