.page-faq {
  --faq-gap: clamp(0.9rem, 2.2vw, 1.6rem);
  --faq-pad: clamp(1rem, 2.6vw, 1.75rem);
  color: var(--mist);
  font-family: var(--font-body);
  background:
    radial-gradient(1000px 560px at 92% -10%, rgba(45, 226, 230, 0.16), transparent 64%),
    radial-gradient(760px 520px at -8% 12%, rgba(255, 107, 44, 0.12), transparent 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--deep-2) 100%);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

.page-faq p {
  margin: 0 0 0.9em;
  line-height: 1.75;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ice);
  letter-spacing: -0.01em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.2rem, 3vw, 2.2rem) 0 clamp(1.6rem, 4vw, 2.6rem);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: clamp(1rem, 3vw, 1.9rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: end;
}

.page-faq .faq-hero h1 {
  font-size: clamp(1.95rem, 5.6vw, 3.8rem);
  line-height: 1.08;
  font-weight: 800;
  margin: 0.35rem 0 0.85rem;
  text-wrap: balance;
}

.page-faq .faq-hero h1 .hl {
  color: var(--cyan);
  background: linear-gradient(180deg, transparent 68%, rgba(255, 107, 44, 0.35) 68%);
  padding: 0 0.08em;
}

.page-faq .faq-hero__lead {
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  color: rgba(234, 246, 247, 0.84);
}

.page-faq .faq-hero__actions {
  margin-top: 1.2rem;
}

.page-faq .faq-hero__side {
  padding: var(--faq-pad);
  border-top: 2px solid var(--cyan);
}

.page-faq .support-list {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .support-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  background: rgba(6, 26, 43, 0.55);
  font-size: 0.9rem;
}

.page-faq .ok {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--green);
}

.page-faq .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(53, 208, 127, 0.16);
  flex: none;
}

.page-faq .faq-hero__note {
  margin: 0.85rem 0 0;
  font-size: 0.82rem;
  color: var(--slate);
  line-height: 1.7;
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-sec {
  position: relative;
  padding: clamp(2.4rem, 5.5vw, 4rem) 0;
  scroll-margin-top: 96px;
}

.page-faq .faq-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), rgba(255, 107, 44, 0.4), transparent);
}

.page-faq .section__head {
  max-width: 62ch;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

.page-faq .section__title {
  font-size: clamp(1.45rem, 3.4vw, 2.3rem);
  line-height: 1.18;
  font-weight: 800;
  margin: 0.2rem 0 0.6rem;
}

.page-faq .section__lead {
  margin: 0;
  color: rgba(234, 246, 247, 0.76);
  font-size: 0.95rem;
}

/* ---------- 快速开始三卡 ---------- */
.page-faq .quick-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .quick-steps li {
  position: relative;
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background:
    repeating-linear-gradient(135deg, rgba(45, 226, 230, 0.05) 0 1px, transparent 1px 12px),
    linear-gradient(165deg, rgba(18, 50, 74, 0.7), rgba(6, 26, 43, 0.55));
}

.page-faq .quick-steps li::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-top: 15px solid var(--cyan);
  opacity: 0.6;
}

.page-faq .qnum {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
  margin-bottom: 0.45rem;
}

.page-faq .quick-steps h3 {
  margin: 0 0 0.4rem;
  font-size: 1.06rem;
  font-weight: 700;
}

.page-faq .quick-steps p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(234, 246, 247, 0.8);
}

.page-faq .tip {
  margin-top: 0.8rem !important;
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem !important;
  color: var(--ice) !important;
  border-left: 2px solid var(--warn);
  background: rgba(255, 200, 87, 0.08);
}

/* ---------- 双栏 ---------- */
.page-faq .split {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: start;
}

/* ---------- 编号步骤 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0 0 var(--faq-gap);
  padding: 0;
  display: grid;
  gap: 0.72rem;
}

.page-faq .steps li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: rgba(10, 37, 64, 0.55);
}

.page-faq .steps .idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--cyan);
}

.page-faq .steps h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  font-weight: 700;
}

.page-faq .steps p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(234, 246, 247, 0.8);
  line-height: 1.7;
}

/* ---------- 键盘标签 / 复制 ---------- */
.page-faq .kbd {
  display: inline-block;
  padding: 0.08em 0.45em;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: rgba(10, 37, 64, 0.92);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ice);
  line-height: 1.5;
}

.page-faq .key-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: var(--slate);
}

.page-faq .key-row > span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.page-faq .copy-btn {
  margin-top: 0.65rem;
  padding: 0.32rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: rgba(45, 226, 230, 0.14);
  color: var(--ice);
}

.page-faq .callout {
  margin-top: 0.4rem;
}

/* ---------- 兼容矩阵 ---------- */
.page-faq .compat {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.page-faq .compat li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.72rem 0.9rem;
  border: 1px solid var(--line);
  background: rgba(10, 37, 64, 0.62);
  font-size: 0.86rem;
}

.page-faq .compat b {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--mist);
}

.page-faq .compat .ok {
  font-size: 0.7rem;
  letter-spacing: -0.01em;
}

/* ---------- 会员权益卡 ---------- */
.page-faq .perks {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
}

.page-faq .perks li {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 50, 74, 0.68), rgba(6, 26, 43, 0.5));
}

.page-faq .perks h3 {
  margin: 0.5rem 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 700;
}

.page-faq .perks p {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(234, 246, 247, 0.76);
}

/* ---------- 筛选条件 ---------- */
.page-faq .params {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.page-faq .params li {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem 0.9rem;
  border-left: 2px solid var(--orange);
  background: rgba(255, 107, 44, 0.07);
  font-size: 0.85rem;
  color: rgba(234, 246, 247, 0.78);
  line-height: 1.65;
}

.page-faq .params strong {
  color: var(--ice);
  font-weight: 700;
  font-family: var(--font-display);
}

.page-faq .metric-panel {
  padding: var(--faq-pad);
  border-top: 2px solid var(--orange);
}

.page-faq .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.7rem 0 0.9rem;
}

.page-faq .metric-panel__note {
  margin: 0;
  font-size: 0.82rem;
  color: rgba(234, 246, 247, 0.72);
  line-height: 1.7;
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.2rem 0 0;
}

/* ---------- 折叠排查 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-list details {
  border: 1px solid var(--line);
  background: rgba(10, 37, 64, 0.58);
}

.page-faq .faq-list details[open] {
  border-color: var(--line-strong);
  background: rgba(18, 50, 74, 0.7);
}

.page-faq .faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--mist);
}

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

.page-faq .faq-list summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
  flex: none;
}

.page-faq .faq-list details[open] summary::after {
  content: "–";
}

.page-faq .faq-list summary:hover {
  color: var(--ice);
}

.page-faq .faq-list details p {
  margin: 0;
  padding: 0 1.05rem 1.05rem;
  font-size: 0.88rem;
  color: rgba(234, 246, 247, 0.78);
  line-height: 1.75;
}

/* ---------- 结尾行动区 ---------- */
.page-faq .faq-sec--close::before {
  background: linear-gradient(90deg, transparent, rgba(255, 107, 44, 0.5), var(--line-strong), transparent);
}

.page-faq .closing {
  display: grid;
  gap: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.4rem, 3.4vw, 2.4rem);
  border-left: 3px solid var(--orange);
  background:
    repeating-linear-gradient(135deg, rgba(45, 226, 230, 0.05) 0 1px, transparent 1px 14px),
    linear-gradient(140deg, rgba(18, 50, 74, 0.85), rgba(6, 26, 43, 0.7));
}

.page-faq .closing h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.25rem, 2.8vw, 1.85rem);
  font-weight: 800;
  line-height: 1.2;
}

.page-faq .closing p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.92rem;
  color: rgba(234, 246, 247, 0.8);
}

.page-faq .closing__actions {
  align-self: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__side {
    max-width: 34rem;
  }
}

@media (min-width: 760px) {
  .page-faq .quick-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-faq .split {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-faq .split--flip .split__media {
    order: -1;
  }

  .page-faq .closing {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: center;
  }

  .page-faq .closing__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .copy-btn {
    transition: none;
  }
}
<<<END>>>