.page-faq {
  --faq-line: rgba(79, 227, 208, .48);
  --faq-tint: #eef4fd;
  --faq-tint-2: #f5f9ff;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(44px, 7vw, 82px);
  color: var(--ice);
  background:
    radial-gradient(115% 130% at 84% 4%, rgba(79, 227, 208, .30) 0%, rgba(79, 227, 208, 0) 48%),
    radial-gradient(95% 110% at 6% 102%, rgba(14, 111, 224, .68) 0%, rgba(14, 111, 224, 0) 58%),
    linear-gradient(158deg, #062a54 0%, #04204a 56%, #021228 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0) 0%, var(--aurora-cyan) 26%, var(--aurora) 62%, var(--maple) 100%);
  opacity: .85;
}

.page-faq .faq-hero .breadcrumb {
  font-size: 13px;
  color: rgba(247, 250, 255, .68);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--aurora-light);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero .breadcrumb__sep {
  color: rgba(247, 250, 255, .34);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(18px, 3.4vw, 32px);
  align-items: center;
}

.page-faq .faq-hero .eyebrow {
  color: var(--aurora-cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  font-size: clamp(28px, 4.4vw, 50px);
  line-height: 1.18;
  color: #ffffff;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(247, 250, 255, .82);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(99, 180, 255, .3);
  background: rgba(255, 255, 255, .07);
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(247, 250, 255, .82);
}

.page-faq .faq-hero__facts b {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--aurora-cyan);
}

.page-faq .faq-hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(190px, 26vw, 280px);
}

.page-faq .faq-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(99, 180, 255, .32);
}

.page-faq .faq-ring--1 { width: min(118px, 38%); aspect-ratio: 1; }
.page-faq .faq-ring--2 {
  width: min(186px, 60%);
  aspect-ratio: 1;
  border-color: rgba(79, 227, 208, .3);
  border-style: dashed;
}
.page-faq .faq-ring--3 {
  width: min(254px, 82%);
  aspect-ratio: 1;
  border-color: rgba(255, 255, 255, .13);
}

.page-faq .faq-core {
  position: relative;
  z-index: 1;
  width: clamp(72px, 11vw, 92px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.2vw, 38px);
  font-weight: 700;
  color: #ffffff;
  background: conic-gradient(from 210deg, var(--aurora-cyan), var(--aurora) 42%, var(--maple) 78%, var(--aurora-cyan));
  box-shadow: 0 16px 40px rgba(6, 42, 84, .48), 0 0 0 8px rgba(99, 180, 255, .12);
}

/* ---------- 区块标题 ---------- */
.page-faq .faq-sechead {
  max-width: 44rem;
  margin-bottom: clamp(18px, 3vw, 26px);
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--frost);
  background: linear-gradient(150deg, #e6eefb, #f7faff);
  aspect-ratio: 10 / 7;
}

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

.page-faq .faq-hot__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-hotcard {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: 20px 20px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--frost);
  background: #ffffff;
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-hotcard:hover,
.page-faq .faq-hotcard:focus-visible {
  transform: translateY(-4px);
  border-color: var(--aurora-light);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-hotcard:focus-visible {
  outline: 2px solid var(--aurora-light);
  outline-offset: 2px;
}

.page-faq .faq-hotcard__num {
  align-self: flex-start;
  width: 2.6rem;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  text-align: right;
  color: var(--maple);
}

.page-faq .faq-hotcard__q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-hotcard__meta {
  margin-top: auto;
  padding-top: 6px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--slate);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  border-top: 1px solid var(--frost);
}

.page-faq .faq-group--switch {
  background: linear-gradient(180deg, var(--faq-tint-2) 0%, var(--faq-tint) 100%);
}

.page-faq .faq-group--contact {
  background: var(--faq-tint-2);
}

.page-faq .faq-group__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(16px, 2.5vw, 24px);
  padding-bottom: 16px;
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--aurora-cyan) 0%, var(--aurora) 38%, rgba(14, 111, 224, 0) 100%);
}

.page-faq .faq-group__icon {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--frost);
  background: #ffffff;
  color: var(--aurora);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 问答卡 ---------- */
.page-faq .qa-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .qa {
  scroll-margin-top: calc(var(--header-h) + 20px);
  border: 1px solid var(--frost);
  border-radius: var(--radius-md);
  background: #ffffff;
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--aurora-light);
  box-shadow: var(--shadow-2);
}

.page-faq .qa[open] {
  border-color: var(--aurora-light);
  box-shadow: var(--shadow-2);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) 26px;
  align-items: start;
  gap: 12px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
}

.page-faq .qa__summary::-webkit-details-marker { display: none; }
.page-faq .qa__summary::marker { content: ""; }

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--aurora-light);
  outline-offset: -3px;
}

.page-faq .qa__num {
  min-width: 2.2rem;
  padding-top: .22em;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  text-align: right;
  color: var(--slate);
}

.page-faq .qa__q {
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .qa__chev {
  flex: none;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--faq-tint);
  color: var(--aurora);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(180deg);
  background: var(--aurora);
  color: #ffffff;
}

.page-faq .qa__answer {
  padding: 0 16px 20px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .qa__answer p {
  margin: 0 0 10px;
}

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

.page-faq .qa__answer a {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 111, 224, .3);
}

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

.page-faq .qa__steps {
  margin: 0 0 12px;
  padding-left: 1.3em;
  display: grid;
  gap: 7px;
}

.page-faq .qa__steps li {
  padding-left: .2em;
}

.page-faq .qa__steps li::marker {
  font-family: var(--font-mono);
  color: var(--aurora);
}

.page-faq .qa__more {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
}

.page-faq .qa__more::after {
  content: " \2192";
}

/* ---------- 兜底区块 ---------- */
.page-faq .faq-end {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0 clamp(64px, 10vw, 118px);
  color: var(--ice);
  background:
    radial-gradient(90% 120% at 88% 0%, rgba(79, 227, 208, .18) 0%, rgba(79, 227, 208, 0) 52%),
    linear-gradient(165deg, #062a54 0%, #041f42 62%, #02142c 100%);
}

.page-faq .faq-end::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--maple) 0%, var(--aurora-cyan) 48%, rgba(0, 0, 0, 0) 100%);
}

.page-faq .faq-end__grid {
  display: grid;
  gap: clamp(30px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-end .eyebrow { color: var(--aurora-cyan); }
.page-faq .faq-end .section-title { color: #ffffff; }
.page-faq .faq-end .section-lead { color: rgba(247, 250, 255, .8); }

.page-faq .faq-end__checklist {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-end__checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(247, 250, 255, .86);
}

.page-faq .faq-end__checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1.5px solid var(--aurora-cyan);
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-end .btn--accent {
  background: var(--maple);
  border-color: var(--maple);
  color: #ffffff;
}

.page-faq .faq-end .btn--accent:hover {
  background: var(--maple-soft);
  border-color: var(--maple-soft);
}

.page-faq .faq-end .btn--ghost {
  color: #ffffff;
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .28);
}

.page-faq .faq-end .btn--ghost:hover {
  background: rgba(255, 255, 255, .16);
  border-color: var(--aurora-cyan);
  color: #ffffff;
}

.page-faq .faq-end__hours {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 250, 255, .68);
}

.page-faq .faq-inline-copy {
  padding: 0 0 1px;
  border: 0;
  border-bottom: 1px dashed rgba(79, 227, 208, .5);
  background: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--aurora-cyan);
  cursor: pointer;
}

.page-faq .faq-inline-copy:hover {
  border-bottom-color: var(--aurora-cyan);
}

.page-faq .faq-inline-copy:focus-visible {
  outline: 2px solid var(--aurora-light);
  outline-offset: 3px;
}

.page-faq .faq-end__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(99, 180, 255, .24);
  background: linear-gradient(150deg, rgba(14, 111, 224, .26), rgba(79, 227, 208, .1));
  aspect-ratio: 1;
}

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

/* ---------- 窄屏 ---------- */
.page-faq .qa__summary,
.page-faq .qa__answer,
.page-faq .faq-hotcard,
.page-faq .faq-group__head > div {
  min-width: 0;
}

@media (max-width: 519px) {
  .page-faq .faq-hero__facts li {
    width: 100%;
  }

  .page-faq .qa__summary {
    grid-template-columns: 2rem minmax(0, 1fr) 24px;
    gap: 10px;
    padding: 16px 13px;
  }

  .page-faq .qa__answer {
    padding: 0 13px 18px;
    font-size: 15px;
  }

  .page-faq .faq-end__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- 中屏 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-faq .faq-end__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-faq .qa__summary {
    grid-template-columns: 2.6rem minmax(0, 1fr) 28px;
    gap: 14px;
    padding: 20px 22px;
  }

  .page-faq .qa__answer {
    margin: 0 22px 22px calc(2.6rem + 14px + 22px);
    padding: 0 0 2px 22px;
    border-left: 1px solid var(--faq-line);
  }

  .page-faq .faq-end__figure {
    aspect-ratio: 1;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-hot__cell {
    grid-column: span 2;
  }

  .page-faq .faq-hot__cell:nth-child(4),
  .page-faq .faq-hot__cell:nth-child(5) {
    grid-column: span 3;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__chev,
  .page-faq .faq-hotcard {
    transition: none;
  }

  .page-faq .faq-hotcard:hover,
  .page-faq .faq-hotcard:focus-visible {
    transform: none;
  }
}