.page-faq {
  --faq-gap: clamp(14px, 2vw, 24px);
  --faq-pad: clamp(20px, 2.6vw, 30px);
  position: relative;
}

.page-faq .container {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 3.6vw, 52px) 0 clamp(40px, 6vw, 80px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  opacity: .5;
  -webkit-mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 38px);
  align-items: start;
  margin-top: clamp(16px, 2.6vw, 28px);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 7.2vw, 88px);
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--mist);
  margin: 10px 0 18px;
}

.page-faq .faq-hero__desc {
  max-width: 60ch;
  margin: 0 0 22px;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.75;
}

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

.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--steel);
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 15, 0) 42%, rgba(10, 12, 15, .88) 100%);
  pointer-events: none;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__top {
    grid-template-columns: minmax(0, 1fr) 268px;
  }
  .page-faq .faq-hero__figure img {
    aspect-ratio: 3 / 4;
  }
}

/* ---------- 三步自查卡 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: clamp(28px, 4vw, 52px);
}

@media (min-width: 880px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-step {
  position: relative;
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(31, 37, 43, .88), rgba(20, 24, 29, .96));
  overflow: hidden;
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--lime);
  transition: height .24s var(--ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-2px);
  border-color: rgba(199, 255, 60, .45);
}

.page-faq .faq-step:has(.faq-step__check:checked) {
  border-color: var(--lime);
}

.page-faq .faq-step:has(.faq-step__check:checked)::before {
  height: 100%;
}

.page-faq .faq-step__check {
  position: absolute;
  width: 1px;
  height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.page-faq .faq-step__mark {
  position: absolute;
  top: var(--faq-pad);
  right: var(--faq-pad);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--silver);
  -webkit-user-select: none;
  user-select: none;
}

.page-faq .faq-step__tick {
  position: relative;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(10, 12, 15, .75);
  transition: background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-step__tick::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform .16s var(--ease);
}

.page-faq .faq-step__check:checked ~ .faq-step__mark .faq-step__tick {
  background: var(--lime);
  border-color: var(--lime);
}

.page-faq .faq-step__check:checked ~ .faq-step__mark .faq-step__tick::after {
  transform: rotate(45deg) scale(1);
}

.page-faq .faq-step__check:checked ~ .faq-step__mark .faq-step__mark-label {
  color: var(--lime);
}

.page-faq .faq-step__check:focus-visible ~ .faq-step__mark .faq-step__tick {
  outline: 2px solid var(--pulse);
  outline-offset: 2px;
}

.page-faq .faq-step__no {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: clamp(36px, 4.6vw, 52px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.02em;
  color: rgba(199, 255, 60, .24);
  transition: color .2s var(--ease), text-shadow .2s var(--ease);
}

.page-faq .faq-step__check:checked ~ .faq-step__no {
  color: var(--lime);
  text-shadow: 0 0 22px rgba(199, 255, 60, .45);
}

.page-faq .faq-step__title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-faq .faq-step__meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 12px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-step__meta dt {
  padding-top: 4px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--pulse);
  white-space: nowrap;
}

.page-faq .faq-step__meta dd {
  margin: 0;
  color: var(--silver);
}

/* ---------- 分设备指引 ---------- */
.page-faq .faq-device__intro,
.page-faq .faq-data__intro {
  max-width: 62ch;
  margin: 10px 0 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-tabs {
  position: relative;
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--char);
  overflow: hidden;
}

.page-faq .faq-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.page-faq .faq-tabs__bar {
  display: flex;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-tabs__label {
  flex: 1 0 auto;
  padding: 15px 20px;
  border-right: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--silver);
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-tabs__label:last-child {
  border-right: 0;
}

.page-faq .faq-tabs__label:hover {
  color: var(--mist);
}

.page-faq .faq-tabs__radio:nth-of-type(1):checked ~ .faq-tabs__bar > .faq-tabs__label:nth-of-type(1),
.page-faq .faq-tabs__radio:nth-of-type(2):checked ~ .faq-tabs__bar > .faq-tabs__label:nth-of-type(2),
.page-faq .faq-tabs__radio:nth-of-type(3):checked ~ .faq-tabs__bar > .faq-tabs__label:nth-of-type(3) {
  background: var(--lime);
  color: var(--ink);
}

.page-faq .faq-tabs__radio:nth-of-type(1):focus-visible ~ .faq-tabs__bar > .faq-tabs__label:nth-of-type(1),
.page-faq .faq-tabs__radio:nth-of-type(2):focus-visible ~ .faq-tabs__bar > .faq-tabs__label:nth-of-type(2),
.page-faq .faq-tabs__radio:nth-of-type(3):focus-visible ~ .faq-tabs__bar > .faq-tabs__label:nth-of-type(3) {
  outline: 2px solid var(--pulse);
  outline-offset: -3px;
}

.page-faq .faq-tabs__panel {
  display: none;
  padding: clamp(20px, 3vw, 32px);
}

.page-faq .faq-tabs__radio:nth-of-type(1):checked ~ .faq-tabs__panel[data-panel="1"],
.page-faq .faq-tabs__radio:nth-of-type(2):checked ~ .faq-tabs__panel[data-panel="2"],
.page-faq .faq-tabs__radio:nth-of-type(3):checked ~ .faq-tabs__panel[data-panel="3"] {
  display: block;
}

.page-faq .faq-tabs__panel-head {
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 2px solid var(--lime);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--mist);
}

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

.page-faq .faq-tabs__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 0;
  border-top: 1px dashed var(--line);
  color: var(--silver);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-faq .faq-tabs__list li .num {
  padding-top: 4px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-faq .faq-tabs__list li p {
  margin: 0;
}

.page-faq .faq-device__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--steel);
}

.page-faq .faq-device__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 兼容说明 ---------- */
.page-faq .faq-kernel__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-faq .faq-kernel__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.page-faq .faq-kernel__intro .prose {
  margin-top: 12px;
}

.page-faq .faq-kernel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-kernel__list li {
  padding: 15px 18px;
  background: var(--char);
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-kernel__list strong {
  color: var(--mist);
  font-weight: 500;
}

.page-faq .faq-kernel__alert {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 14px 18px;
  border: 1px solid rgba(255, 106, 26, .38);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(255, 106, 26, .07);
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-kernel__alert-tag {
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange);
}

/* ---------- 榜单与资料页 ---------- */
.page-faq .faq-data__steps {
  list-style: none;
  counter-reset: faqdata;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

@media (min-width: 700px) {
  .page-faq .faq-data__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-data__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-data__steps li {
  position: relative;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(31, 37, 43, .85), rgba(20, 24, 29, .95));
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-data__steps li::before {
  counter-increment: faqdata;
  content: counter(faqdata, decimal-leading-zero);
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--pulse);
}

.page-faq .faq-data__note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .faq-data__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(199, 255, 60, .4);
}

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

/* ---------- 反馈模板 ---------- */
.page-faq .faq-report__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-faq .faq-report__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.page-faq .faq-report__text .prose {
  margin-top: 12px;
}

.page-faq .faq-report__panel {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(31, 37, 43, .9), rgba(10, 12, 15, .96));
}

.page-faq .faq-report__panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--silver);
}

.page-faq .faq-report__panel-head .num {
  color: var(--lime);
}

.page-faq .faq-report__code {
  margin: 0;
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 2;
  color: var(--mist);
  white-space: pre-wrap;
  word-break: break-word;
  -webkit-user-select: all;
  user-select: all;
}

/* ---------- 联系兜底 ---------- */
.page-faq .faq-contact__box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(199, 255, 60, .12), transparent 58%),
    linear-gradient(150deg, var(--char), var(--ink));
}

@media (min-width: 880px) {
  .page-faq .faq-contact__box {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }
}

.page-faq .faq-contact__lead .prose {
  margin-top: 12px;
}

.page-faq .faq-contact__lead .btn {
  margin-top: 20px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 13px 16px;
  background: rgba(10, 12, 15, .74);
}

.page-faq .faq-contact__k {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
}

.page-faq .faq-contact__v {
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--mist);
  word-break: break-all;
}

.page-faq .faq-contact__addr {
  font-size: 14px;
  color: var(--mist);
}

@media (max-width: 420px) {
  .page-faq .faq-contact__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
  .page-faq .faq-step__mark {
    position: static;
    margin-bottom: 12px;
    justify-content: flex-start;
  }
  .page-faq .faq-step__no {
    margin-top: 4px;
  }
}
<<<END>>>