.page-faq {
  --faq-indent: clamp(0px, 7vw, 76px);
  --faq-card-r: 26px;
  --faq-gap: clamp(24px, 4vw, 48px);
  display: block;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
  padding-bottom: clamp(64px, 11vw, 140px);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: clamp(18px, 3vw, 34px);
  margin-bottom: clamp(10px, 2vw, 20px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-crumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-crumbs a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .faq-crumbs [aria-current="page"] {
  color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: clamp(30px, 5vw, 56px);
  background:
    radial-gradient(120% 110% at 6% -24%, rgba(43, 232, 181, .16), transparent 58%),
    radial-gradient(84% 84% at 98% 2%, rgba(255, 90, 54, .13), transparent 62%),
    linear-gradient(180deg, var(--court) 0%, var(--ink) 84%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon) 22%, var(--gold) 74%, transparent);
  opacity: .5;
}

.page-faq .faq-hero-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  padding-top: clamp(28px, 5vw, 68px);
  padding-bottom: clamp(28px, 4.4vw, 52px);
}

.page-faq .faq-h1 {
  margin: 14px 0 0;
  font-size: clamp(36px, 6.2vw, 82px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 250;
  max-width: 17ch;
  text-wrap: balance;
}

.page-faq .faq-lede {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--paper);
  opacity: .84;
  max-width: 46ch;
}

.page-faq .faq-hero-facts {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 2px;
  background: transparent;
}

.page-faq .faq-fact-num {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--neon);
  letter-spacing: -.01em;
  white-space: nowrap;
}

.page-faq .faq-hero-facts li:nth-child(2) .faq-fact-num {
  color: var(--paper);
}

.page-faq .faq-hero-facts li:nth-child(3) .faq-fact-num {
  color: var(--gold);
}

.page-faq .faq-fact-label {
  font-size: 13px;
  color: var(--steel);
  text-align: right;
}

.page-faq .faq-band {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--stand), var(--teal));
}

.page-faq .faq-band img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.9) contrast(1.04);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 46px);
  padding-top: clamp(38px, 6vw, 84px);
}

/* ---------- 章节索引 ---------- */
.page-faq .faq-toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

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

.page-faq .faq-toc-title {
  display: none;
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-faq .faq-toc .toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: none;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.2;
  color: var(--steel);
  text-decoration: none;
  white-space: nowrap;
  transition: color .24s var(--ease), background .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-toc .toc-link:hover {
  color: var(--paper);
  border-color: var(--line-2);
}

.page-faq .faq-toc .toc-link[aria-current="true"] {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

.page-faq .faq-toc-num {
  font-size: 11px;
  opacity: .8;
}

/* ---------- 章节结构 ---------- */
.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(48px, 7vw, 96px);
}

.page-faq .faq-sec-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-idx {
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: .9;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(147, 161, 184, .55);
  font-weight: 500;
}

.page-faq .faq-h2 {
  margin: 0;
  font-size: clamp(23px, 3.2vw, 40px);
  line-height: 1.18;
  letter-spacing: -.015em;
  font-weight: 800;
  max-width: 22ch;
}

.page-faq .faq-h3 {
  margin: 0 0 12px;
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.4;
  letter-spacing: -.01em;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-sec-note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
  max-width: 62ch;
}

/* ---------- 折叠清单 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-list--after {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--faq-card-r);
  background: linear-gradient(180deg, rgba(23, 35, 58, .58), rgba(12, 20, 36, .58));
  overflow: hidden;
  transition: border-color .28s var(--ease), background .28s var(--ease), transform .28s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(147, 161, 184, .42);
}

.page-faq .faq-item[open] {
  border-color: rgba(43, 232, 181, .5);
  background: linear-gradient(180deg, rgba(23, 35, 58, .9), rgba(14, 59, 58, .34));
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: clamp(15px, 2.2vw, 22px) clamp(16px, 2.4vw, 26px);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -3px;
}

.page-faq .faq-q-num {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-faq .faq-item[open] .faq-q-num {
  color: var(--neon);
}

.page-faq .faq-q-text {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.5;
  font-weight: 500;
  color: var(--paper);
}

.page-faq .faq-q-mark {
  position: relative;
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--steel);
  transition: transform .28s var(--ease), background .28s var(--ease);
}

.page-faq .faq-q-mark::before {
  width: 11px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-q-mark::after {
  width: 1.5px;
  height: 11px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-q-mark {
  border-color: var(--neon);
  transform: rotate(180deg);
}

.page-faq .faq-item[open] .faq-q-mark::before {
  background: var(--neon);
}

.page-faq .faq-item[open] .faq-q-mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-a {
  margin: 0 clamp(14px, 2vw, 22px);
  padding: 16px 0 clamp(18px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.82;
  color: var(--steel);
}

.page-faq .faq-a > * + * {
  margin-top: 12px;
}

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

.page-faq .faq-a strong {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .faq-a a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 181, .38);
  transition: border-color .2s var(--ease);
}

.page-faq .faq-a a:hover {
  border-bottom-color: var(--neon);
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 32px;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--gold);
}

/* ---------- 集锦时间窗 ---------- */
.page-faq .faq-window {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(20px, 3vw, 30px);
  padding: 14px clamp(14px, 2vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, rgba(12, 20, 36, .9), rgba(14, 59, 58, .5));
}

.page-faq .faq-window-cap {
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--steel);
  white-space: nowrap;
}

.page-faq .faq-window-cap--end {
  color: var(--neon);
}

.page-faq .faq-window-bar {
  position: relative;
  flex: 1 1 auto;
  min-width: 40px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--steel), var(--gold) 55%, var(--neon));
  opacity: .85;
}

.page-faq .faq-window-bar::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  transform: translate(2px, -50%);
  box-shadow: 0 0 12px rgba(43, 232, 181, .8);
}

/* ---------- 刷新节奏 ---------- */
.page-faq .faq-cycle {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(43, 232, 181, .1), transparent 60%),
    linear-gradient(160deg, rgba(23, 35, 58, .72), rgba(5, 7, 13, .72));
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-faq .faq-cycle-ring {
  width: min(210px, 60vw);
  margin: 0 auto;
}

.page-faq .faq-cycle-ring svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-ring-num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 500;
  fill: var(--paper);
  letter-spacing: -.03em;
}

.page-faq .faq-ring-unit {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--steel);
  letter-spacing: .08em;
}

.page-faq .faq-ring-dot {
  transform-origin: 90px 90px;
  animation: faq-ring-spin 12s linear infinite;
}

@keyframes faq-ring-spin {
  to {
    transform: rotate(360deg);
  }
}

.page-faq .faq-cycle-copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
  max-width: 54ch;
}

.page-faq .faq-cycle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-cycle-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--paper);
  opacity: .84;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cycle-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-cycle-list .tag {
  flex: none;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(255, 90, 54, .1), transparent 58%),
    linear-gradient(170deg, rgba(12, 20, 36, .94), rgba(14, 59, 58, .28));
}

.page-faq .faq-contact-media {
  margin: 0;
  border-radius: var(--faq-card-r);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--stand);
}

.page-faq .faq-contact-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 1.5px;
  background: var(--neon);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-contact-key {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
  text-transform: uppercase;
  flex: none;
}

.page-faq .faq-contact-val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact-note a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 181, .38);
}

.page-faq .faq-contact-note a:hover {
  border-bottom-color: var(--neon);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-sec-head {
    grid-template-columns: minmax(48px, auto) minmax(0, 1fr);
    gap: clamp(14px, 2.4vw, 30px);
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-a {
    padding-left: 34px;
  }

  .page-faq .faq-list > .faq-item:nth-child(even) {
    margin-left: var(--faq-indent);
  }

  .page-faq .faq-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    background: transparent;
  }

  .page-faq .faq-hero-facts li {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
    padding: 14px 16px 14px 0;
  }

  .page-faq .faq-fact-label {
    text-align: left;
  }

  .page-faq .faq-cycle {
    grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  }

  .page-faq .faq-cycle-ring {
    width: 100%;
    margin: 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-top {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(32px, 5vw, 76px);
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-grid {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(34px, 4.4vw, 76px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 100px;
    display: block;
    overflow: visible;
    padding: 0 0 0 18px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-toc-title {
    display: block;
  }

  .page-faq .faq-toc .toc-link {
    display: flex;
    width: 100%;
    border-color: transparent;
    border-radius: var(--r-pill);
    padding: 8px 13px;
    margin-bottom: 4px;
    white-space: normal;
  }

  .page-faq .faq-toc .toc-link:hover {
    border-color: transparent;
    background: rgba(23, 35, 58, .74);
  }

  .page-faq .faq-toc .toc-link[aria-current="true"] {
    background: var(--neon);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-ring-dot {
    animation: none;
  }

  .page-faq * {
    transition-duration: .01ms !important;
  }
}