.page-faq {
  --faq-line: rgba(176, 138, 62, 0.52);
  --faq-line-soft: rgba(176, 138, 62, 0.22);
  --faq-panel: #0A2620;
  --faq-panel-deep: #071C17;
  display: block;
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(1100px 640px at 84% -8%, rgba(228, 198, 123, 0.09), transparent 62%),
    radial-gradient(760px 520px at 4% 44%, rgba(30, 90, 168, 0.14), transparent 66%),
    var(--ink);
  color: var(--paper);
}

.page-faq .container {
  width: 100%;
}

/* ---------------- 首屏 ---------------- */
.page-faq .faq-hero {
  padding-block: clamp(112px, 15vh, 168px) clamp(40px, 6vw, 64px);
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(28px, 5vw, 48px);
  color: var(--mist);
  opacity: 0.9;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-lit);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-shadow: 0 0 0 transparent;
}

.page-faq .faq-hero__lede {
  margin: clamp(24px, 4vw, 36px) 0 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.8;
  color: rgba(237, 231, 218, 0.82);
}

/* ---------------- 三步流程 ---------------- */
.page-faq .faq-steps {
  padding-block: clamp(64px, 9vw, 120px);
}

.page-faq .faq-steps__layout {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
}

.page-faq .faq-steps__body .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-steps__intro {
  margin: 18px 0 0;
  max-width: 58ch;
  line-height: 1.8;
  color: rgba(237, 231, 218, 0.72);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: clamp(36px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 34px;
  counter-reset: faq-step;
}

.page-faq .faq-step {
  position: relative;
  padding-left: 74px;
  min-width: 0;
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--faq-panel-deep);
  color: var(--gold-lit);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: 25px;
  top: 60px;
  bottom: -34px;
  border-left: 2px dashed var(--faq-line-soft);
}

.page-faq .faq-step:last-child::after {
  display: none;
}

.page-faq .faq-step__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 1.24rem;
  line-height: 1.35;
  color: var(--gold-lit);
}

.page-faq .faq-step__text {
  margin: 10px 0 0;
  max-width: 56ch;
  line-height: 1.8;
  color: rgba(237, 231, 218, 0.76);
}

.page-faq .faq-step__link,
.page-faq .faq-inline-link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--tile-blue);
  color: #9FC3F1;
  font-size: 0.94rem;
  text-decoration: none;
  transition: color 250ms var(--ease), border-color 250ms var(--ease);
}

.page-faq .faq-step__link:hover,
.page-faq .faq-inline-link:hover {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}

.page-faq .faq-steps__media {
  margin: 0;
  border: 2px solid var(--faq-line);
  background: var(--faq-panel-deep);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-steps__media img,
.page-faq .faq-devices__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.03);
}

.page-faq .faq-steps__media .media-frame__caption,
.page-faq .faq-devices__media .media-frame__caption {
  display: block;
  padding: 14px 18px;
  border-top: 1px solid var(--faq-line-soft);
  background: rgba(7, 28, 23, 0.9);
  color: var(--mist);
  font-size: 0.82rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* ---------------- 分类与标签 ---------------- */
.page-faq .faq-cats {
  padding-block: clamp(64px, 9vw, 120px);
  background:
    linear-gradient(180deg, rgba(7, 28, 23, 0.86) 0%, rgba(11, 43, 36, 0) 100%);
  border-top: 1px solid var(--faq-line-soft);
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-cats__layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-cats__head .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-cats__body p {
  margin: 0 0 18px;
  max-width: 68ch;
  line-height: 1.85;
  color: rgba(237, 231, 218, 0.78);
}

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

.page-faq .faq-cats__stats {
  list-style: none;
  margin: clamp(40px, 6vw, 64px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: var(--faq-line-soft);
  border: 2px solid var(--faq-line-soft);
}

.page-faq .faq-stat {
  background: var(--faq-panel);
  padding: 22px 20px;
  min-width: 0;
}

.page-faq .faq-stat__num {
  display: block;
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  line-height: 1;
  color: var(--gold-lit);
  letter-spacing: 0.04em;
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

/* ---------------- 季度版本 ---------------- */
.page-faq .faq-version {
  padding-block: clamp(64px, 9vw, 120px);
}

.page-faq .faq-version__panel {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  padding: clamp(28px, 4.4vw, 52px);
  border: 2px solid var(--faq-line);
  background: var(--faq-panel-deep);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-version__copy .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-version__copy p {
  margin: 18px 0 0;
  max-width: 62ch;
  line-height: 1.85;
  color: rgba(237, 231, 218, 0.78);
}

.page-faq .faq-version__marks {
  border: 2px solid var(--faq-line-soft);
  background: rgba(11, 43, 36, 0.7);
  padding: clamp(20px, 3vw, 30px);
}

.page-faq .faq-version__big {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1;
  color: var(--neon);
  letter-spacing: 0.06em;
}

.page-faq .faq-version__caption {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-version__where {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-version__where li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 0.94rem;
  line-height: 1.65;
  color: rgba(237, 231, 218, 0.82);
}

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

.page-faq .faq-version__where .mono {
  color: var(--gold-lit);
  font-size: 12px;
  letter-spacing: 0.12em;
  flex: none;
}

/* ---------------- 三条核对路径 ---------------- */
.page-faq .faq-records {
  padding-block: clamp(64px, 9vw, 120px);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-records .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-records__intro {
  margin: 18px 0 0;
  max-width: 60ch;
  line-height: 1.85;
  color: rgba(237, 231, 218, 0.72);
}

.page-faq .faq-records__grid {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid;
  gap: 2px;
  background: var(--faq-line-soft);
  border: 2px solid var(--faq-line-soft);
}

.page-faq .faq-record {
  position: relative;
  padding: 30px 24px 30px 28px;
  background: var(--faq-panel);
  min-width: 0;
  transition: background 300ms var(--ease);
}

.page-faq .faq-record::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--record);
  transition: background 300ms var(--ease);
}

.page-faq .faq-record:hover::before {
  background: var(--gold-lit);
}

.page-faq .faq-record__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-lit);
}

.page-faq .faq-record__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .faq-record p {
  margin: 12px 0 0;
  line-height: 1.8;
  color: rgba(237, 231, 218, 0.74);
}

.page-faq .faq-records__foot {
  margin: clamp(28px, 4vw, 40px) 0 0;
}

.page-faq .faq-records__foot .faq-inline-link {
  margin-top: 0;
}

/* ---------------- 平板与桌面 ---------------- */
.page-faq .faq-devices {
  padding-block: clamp(64px, 9vw, 120px);
  background: linear-gradient(180deg, rgba(7, 28, 23, 0.9) 0%, rgba(11, 43, 36, 0.2) 100%);
  border-top: 1px solid var(--faq-line-soft);
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-devices__layout {
  display: grid;
  gap: clamp(36px, 5vw, 64px);
}

.page-faq .faq-devices__body .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-devices__body > p {
  margin: 18px 0 0;
  max-width: 62ch;
  line-height: 1.85;
  color: rgba(237, 231, 218, 0.76);
}

.page-faq .faq-devices__pair {
  margin-top: clamp(28px, 4vw, 40px);
  display: grid;
  gap: 2px;
  background: var(--faq-line-soft);
  border: 2px solid var(--faq-line-soft);
}

.page-faq .faq-device {
  background: var(--faq-panel);
  padding: 26px 22px;
  min-width: 0;
}

.page-faq .faq-device__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  line-height: 1.4;
  color: var(--gold-lit);
}

.page-faq .faq-device p {
  margin: 12px 0 0;
  line-height: 1.78;
  color: rgba(237, 231, 218, 0.74);
}

.page-faq .faq-devices__tip {
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--neon);
  max-width: 58ch;
  line-height: 1.8;
  color: rgba(237, 231, 218, 0.8);
}

.page-faq .faq-devices__media {
  margin: 0;
  border: 2px solid var(--faq-line);
  background: var(--faq-panel-deep);
  box-shadow: var(--shadow-soft);
}

/* ---------------- 活动说明 ---------------- */
.page-faq .faq-rules {
  padding-block: clamp(64px, 9vw, 120px);
}

.page-faq .faq-rules__grid {
  display: grid;
  gap: clamp(36px, 5vw, 64px);
}

.page-faq .faq-rules__intro .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-rules__intro p {
  margin: 18px 0 0;
  max-width: 58ch;
  line-height: 1.85;
  color: rgba(237, 231, 218, 0.76);
}

.page-faq .faq-rules__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--faq-line-soft);
}

.page-faq .faq-rule {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--faq-line-soft);
  min-width: 0;
}

.page-faq .faq-rule__idx {
  flex: none;
  width: 40px;
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold-lit);
}

.page-faq .faq-rule__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-rule p {
  margin: 10px 0 0;
  max-width: 56ch;
  line-height: 1.78;
  color: rgba(237, 231, 218, 0.72);
}

/* ---------------- 常见疑问 ---------------- */
.page-faq .faq-answers {
  padding-block: clamp(64px, 9vw, 120px);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-answers .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-answers__intro {
  margin: 18px 0 0;
  max-width: 60ch;
  line-height: 1.85;
  color: rgba(237, 231, 218, 0.72);
}

.page-faq .faq-answers__groups {
  margin-top: clamp(36px, 5vw, 56px);
  display: grid;
  gap: clamp(32px, 4.4vw, 48px);
}

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

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-group__dot {
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--gold-lit);
  box-shadow: 0 0 0 3px rgba(228, 198, 123, 0.16);
}

.page-faq .faq-group:nth-child(2) .faq-group__dot {
  background: var(--tile-blue);
  box-shadow: 0 0 0 3px rgba(30, 90, 168, 0.22);
}

.page-faq .faq-group:nth-child(3) .faq-group__dot {
  background: var(--record);
  box-shadow: 0 0 0 3px rgba(92, 122, 138, 0.22);
}

.page-faq .faq-group:nth-child(4) .faq-group__dot {
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(255, 59, 78, 0.18);
}

.page-faq .faq-acc {
  border: 2px solid var(--faq-line-soft);
  background: var(--faq-panel-deep);
  margin-bottom: 10px;
  transition: border-color 300ms var(--ease), background 300ms var(--ease);
}

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

.page-faq .faq-acc[open] {
  border-color: var(--gold);
  background: var(--faq-panel);
}

.page-faq .faq-acc__q {
  position: relative;
  display: block;
  padding: 20px 52px 20px 30px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.55;
  color: var(--paper);
  transition: color 250ms var(--ease);
}

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

.page-faq .faq-acc__q::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 29px;
  width: 10px;
  height: 3px;
  background: var(--neon);
  transition: transform 300ms var(--ease), background 300ms var(--ease);
}

.page-faq .faq-acc[open] .faq-acc__q::before {
  transform: rotate(90deg);
  background: var(--gold-lit);
}

.page-faq .faq-acc__q::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--gold-lit);
}

.page-faq .faq-acc[open] .faq-acc__q::after {
  content: "–";
  color: var(--neon);
}

.page-faq .faq-acc__q:hover {
  color: var(--gold-lit);
}

.page-faq .faq-acc__a {
  padding: 0 30px 24px;
  animation: faq-fade 300ms var(--ease) both;
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-acc__a p {
  margin: 0 0 12px;
  max-width: 64ch;
  line-height: 1.82;
  color: rgba(237, 231, 218, 0.76);
}

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

/* ---------------- 客服通道 ---------------- */
.page-faq .faq-help {
  padding-block: clamp(64px, 9vw, 120px) clamp(80px, 11vw, 140px);
  background: linear-gradient(180deg, rgba(7, 28, 23, 0) 0%, rgba(7, 28, 23, 0.92) 100%);
}

.page-faq .faq-help__card {
  max-width: 720px;
  padding: clamp(28px, 4.4vw, 52px);
  border: 2px solid var(--gold);
  background: var(--faq-panel-deep);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-help__card .section__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-help__lede {
  margin: 18px 0 0;
  line-height: 1.85;
  color: rgba(237, 231, 218, 0.78);
}

.page-faq .faq-help__contacts {
  margin: clamp(26px, 4vw, 36px) 0 0;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-help__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-help__row dt {
  flex: none;
  min-width: 96px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-help__row dd {
  margin: 0;
  min-width: 0;
  word-break: break-word;
  font-size: 0.98rem;
  color: var(--gold-lit);
}

.page-faq .faq-help__tips {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--tile-blue);
  background: rgba(30, 90, 168, 0.1);
  line-height: 1.8;
  color: rgba(237, 231, 218, 0.8);
}

.page-faq .faq-help__card .btn {
  margin-top: 28px;
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 720px) {
  .page-faq .faq-cats__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-records__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-devices__pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    margin-top: clamp(44px, 5vw, 64px);
  }

  .page-faq .faq-step {
    padding-left: 0;
    padding-top: 80px;
  }

  .page-faq .faq-step__num {
    left: 0;
    top: 0;
  }

  .page-faq .faq-step::after {
    left: 63px;
    right: -28px;
    top: 25px;
    bottom: auto;
    height: 0;
    border-left: 0;
    border-top: 2px dashed var(--faq-line-soft);
  }

  .page-faq .faq-step:last-child::after {
    display: block;
    border-top-color: transparent;
  }

  .page-faq .faq-steps__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-cats__layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-faq .faq-version__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-devices__layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-faq .faq-rules__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .faq-answers__groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-steps__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 72px;
  }

  .page-faq .faq-devices__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

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

  .page-faq .faq-acc,
  .page-faq .faq-acc__q,
  .page-faq .faq-acc__q::before,
  .page-faq .faq-record::before,
  .page-faq .faq-step__link,
  .page-faq .faq-inline-link {
    transition: none;
  }
}