.page-faq {
  --faq-sticky-top: 104px;
  --faq-card-bg: linear-gradient(160deg, rgba(18, 41, 77, .9), rgba(10, 23, 48, .9));
  background: var(--abyss-900);
  color: var(--frost-050);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 5vw, 44px) 0 clamp(30px, 5vw, 56px);
  background:
    radial-gradient(120% 90% at 84% -10%, rgba(53, 240, 138, .16), transparent 58%),
    radial-gradient(90% 80% at -6% 8%, rgba(111, 195, 255, .14), transparent 62%),
    linear-gradient(180deg, var(--navy-800) 0%, var(--abyss-900) 100%);
  border-bottom: 1px solid var(--line-tint);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-400), var(--amber-400), transparent);
  opacity: .45;
}

.page-faq .breadcrumb {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-400);
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-faq .breadcrumb a {
  color: var(--slate-400);
  text-decoration: none;
  transition: color .3s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--mint-200);
}

.page-faq .breadcrumb-sep {
  margin: 0 8px;
  color: rgba(132, 151, 176, .6);
}

.page-faq .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 48px);
  align-items: end;
}

.page-faq .hero-copy h1 {
  font-size: clamp(30px, 8.2vw, 50px);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 12px 0 0;
  max-width: 15em;
}

.page-faq .hero-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(238, 244, 255, .78);
  max-width: 34em;
}

.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .hero-facts {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-tint);
  padding-top: 18px;
}

.page-faq .hero-fact {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-tint);
}

.page-faq .hero-fact:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .fact-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(22px, 5vw, 28px);
  color: var(--amber-400);
  font-variant-numeric: tabular-nums;
  min-width: 3.4em;
}

.page-faq .fact-text {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate-400);
}

/* ---------- 主体网格 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 40px);
  padding-top: clamp(24px, 4vw, 44px);
}

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

/* ---------- 目录 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .index-title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate-400);
}

.page-faq .index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .index-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border: 1px solid var(--line-tint);
  border-radius: var(--radius-pill);
  background: rgba(10, 23, 48, .72);
  color: rgba(238, 244, 255, .8);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}

.page-faq .index-link:hover,
.page-faq .index-link:focus-visible {
  border-color: rgba(166, 255, 212, .55);
  color: var(--mint-200);
}

.page-faq .index-link[aria-current="true"] {
  border-color: var(--neon-400);
  color: var(--neon-400);
  background: rgba(53, 240, 138, .1);
}

.page-faq .index-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--slate-400);
}

.page-faq .index-link[aria-current="true"] .index-no {
  color: var(--neon-400);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding: clamp(30px, 5vw, 54px) 0;
  border-top: 1px solid var(--line-tint);
  scroll-margin-top: 92px;
}

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

.page-faq .sec-no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--neon-400);
}

.page-faq .sec-head h2 {
  margin: 0;
  font-size: clamp(23px, 5.6vw, 34px);
  line-height: 1.24;
  letter-spacing: -.015em;
}

.page-faq .sec-sub {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-400);
  max-width: 40em;
}

.page-faq .sec-tail {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-faq a {
  color: var(--mint-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 255, 212, .3);
  transition: border-color .3s var(--ease), color .3s var(--ease);
}

.page-faq a:hover,
.page-faq a:focus-visible {
  color: var(--neon-400);
  border-bottom-color: var(--neon-400);
}

/* ---------- 三步上手 ---------- */
.page-faq .start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 34px);
  margin-top: clamp(22px, 4vw, 34px);
}

.page-faq .step-list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-faq .step-list::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 26px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, rgba(53, 240, 138, .55), rgba(111, 195, 255, .12));
}

.page-faq .step {
  position: relative;
  padding-left: 58px;
}

.page-faq .step-num {
  position: absolute;
  left: 0;
  top: 2px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(53, 240, 138, .42);
  background: radial-gradient(circle at 30% 25%, rgba(53, 240, 138, .22), rgba(5, 11, 26, .95));
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  color: var(--neon-400);
}

.page-faq .step-body h3 {
  margin: 4px 0 8px;
  font-size: 18px;
  line-height: 1.4;
}

.page-faq .step-body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(238, 244, 255, .76);
}

.page-faq .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 14px;
}

.page-faq .tag-row .tag {
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .step-figure {
  margin: 0;
}

.page-faq .step-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--line-tint);
  background: var(--navy-700);
}

.page-faq .step-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-faq .done-line {
  margin: clamp(22px, 4vw, 30px) 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--neon-400);
  background: linear-gradient(90deg, rgba(53, 240, 138, .09), transparent 70%);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(238, 244, 255, .85);
}

.page-faq .done-line .label {
  display: block;
  margin-bottom: 4px;
  color: var(--neon-400);
}

/* ---------- 数字读法 ---------- */
.page-faq .read-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-faq .read-card {
  padding: 18px 16px;
  border: 1px solid var(--line-tint);
  border-radius: var(--radius-card);
  background: var(--faq-card-bg);
}

.page-faq .read-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: .01em;
}

.page-faq .read-value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 20px;
  color: var(--amber-400);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.page-faq .read-card p:not(.read-value) {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(238, 244, 255, .74);
}

.page-faq .mini-bar {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}

.page-faq .mini-bar span {
  display: block;
  height: 6px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--neon-400), rgba(53, 240, 138, .12));
}

.page-faq .mini-bar--dual span.is-second {
  background: linear-gradient(90deg, var(--sky-300), rgba(111, 195, 255, .12));
}

.page-faq .walk {
  margin-top: clamp(20px, 4vw, 30px);
  padding: clamp(18px, 3.4vw, 26px);
  border: 1px solid var(--line-tint);
  border-radius: var(--radius-card);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(111, 195, 255, .12), transparent 60%),
    rgba(10, 23, 48, .82);
}

.page-faq .walk-title {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--mint-200);
  letter-spacing: .02em;
}

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

.page-faq .walk-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .walk-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sky-300);
  padding-top: 3px;
}

.page-faq .walk-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(238, 244, 255, .78);
}

.page-faq .walk-out {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber-400);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 182, 61, .92);
}

/* ---------- 规则库 ---------- */
.page-faq .rule-figure {
  margin: clamp(20px, 4vw, 28px) 0 0;
}

.page-faq .rule-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--line-tint);
  background: var(--navy-800);
}

.page-faq .rule-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--slate-400);
}

.page-faq .rule-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(20px, 4vw, 28px);
}

.page-faq .rule-group {
  padding: 16px;
  border-left: 1px solid var(--line-tint);
}

.page-faq .rule-group h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.page-faq .rule-group p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-faq .rule-group .tag-row {
  margin-bottom: 0;
}

.page-faq .rule-samples {
  margin-top: clamp(18px, 3.4vw, 26px);
}

.page-faq .rule-note {
  margin: 0 0 12px;
  font-size: 13.5px;
  color: var(--slate-400);
}

/* ---------- 折叠面板 ---------- */
.page-faq .fold {
  border: 1px solid var(--line-tint);
  border-radius: var(--radius-card);
  background: rgba(10, 23, 48, .78);
  margin-bottom: 10px;
  transition: border-color .35s var(--ease), background .35s var(--ease);
}

.page-faq .fold:hover {
  border-color: rgba(166, 255, 212, .38);
}

.page-faq .fold[open] {
  border-color: rgba(53, 240, 138, .4);
  background: rgba(18, 41, 77, .7);
}

.page-faq .fold summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--frost-050);
}

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

.page-faq .fold summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--neon-400);
  transition: transform .35s var(--ease);
}

.page-faq .fold[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .fold summary:focus-visible {
  outline: 2px solid var(--mint-200);
  outline-offset: 3px;
}

.page-faq .det-body {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(238, 244, 255, .76);
}

.page-faq .det-body p {
  margin: 0 0 8px;
}

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

.page-faq .field-key {
  display: inline-block;
  min-width: 5.6em;
  margin-right: 8px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--sky-300);
}

.page-faq .field {
  color: rgba(238, 244, 255, .8);
}

/* ---------- 数据时点 ---------- */
.page-faq .timing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-faq .timing-item {
  padding: 16px;
  border: 1px solid var(--line-tint);
  border-radius: var(--radius-card);
  background: var(--faq-card-bg);
}

.page-faq .timing-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--neon-400);
  margin-bottom: 8px;
}

.page-faq .timing-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.page-faq .timing-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(238, 244, 255, .74);
}

.page-faq .order-list {
  margin: clamp(18px, 3.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  counter-reset: orderc;
}

.page-faq .order-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(238, 244, 255, .8);
}

.page-faq .order-no {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  color: var(--amber-400);
  padding-top: 4px;
}

.page-faq .order-list--tight {
  margin-top: 12px;
}

/* ---------- 订阅 ---------- */
.page-faq .sub-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-faq .sub-block {
  padding: 18px 16px;
  border: 1px solid var(--line-tint);
  border-radius: var(--radius-card);
  background: rgba(10, 23, 48, .72);
}

.page-faq .sub-block h3 {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--mint-200);
  letter-spacing: .02em;
}

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

.page-faq .sub-list li {
  font-size: 14px;
  line-height: 1.78;
  color: rgba(238, 244, 255, .78);
  padding-left: 14px;
  position: relative;
}

.page-faq .sub-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--neon-400);
}

.page-faq .sub-list strong {
  color: var(--frost-050);
  margin-right: 4px;
}

.page-faq .sub-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-list {
  margin-top: clamp(22px, 4vw, 32px);
}

/* ---------- 联系 ---------- */
.page-faq .help-card {
  margin-top: clamp(22px, 4vw, 32px);
  padding: clamp(18px, 3.4vw, 26px);
  border: 1px solid rgba(53, 240, 138, .28);
  border-radius: var(--radius-card);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(53, 240, 138, .12), transparent 58%),
    linear-gradient(160deg, rgba(18, 41, 77, .92), rgba(5, 11, 26, .92));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
}

.page-faq .help-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-tint);
}

.page-faq .help-row:last-child {
  border-bottom: 0;
}

.page-faq .help-row .field-key {
  min-width: 0;
  margin-right: 0;
  letter-spacing: .14em;
  color: var(--slate-400);
}

.page-faq .help-value {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--frost-050);
  word-break: break-word;
}

.page-faq .help-value.numeric {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--amber-400);
  letter-spacing: .01em;
}

.page-faq .help-tips h3 {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--mint-200);
}

.page-faq .help-tips ul {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .help-tips li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate-400);
}

.page-faq .help-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sky-300);
}

.page-faq .help-tips .btn {
  border-bottom: 0;
}

/* ---------- 相关页面 ---------- */
.page-faq .next-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: clamp(18px, 3.4vw, 26px);
}

.page-faq .next-link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line-tint);
  border-radius: var(--radius-card);
  background: rgba(10, 23, 48, .6);
  color: rgba(238, 244, 255, .82);
  font-size: 13.5px;
  line-height: 1.7;
  transition: border-color .35s var(--ease), background .35s var(--ease), transform .35s var(--ease);
}

.page-faq .next-link:hover,
.page-faq .next-link:focus-visible {
  border-color: rgba(166, 255, 212, .5);
  background: rgba(18, 41, 77, .8);
  transform: translateY(-2px);
}

.page-faq .next-link .label {
  display: block;
  margin-bottom: 4px;
  color: var(--neon-400);
}

/* ---------- 动效 ---------- */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}

.page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .fold summary::after,
  .page-faq .next-link {
    transition: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(30px, 5vw, 56px);
  }

  .page-faq .hero-facts {
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--line-tint);
    padding-left: clamp(18px, 3vw, 28px);
  }

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

  .page-faq .read-card:last-child {
    grid-column: 1 / -1;
  }

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

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

  .page-faq .rule-group:last-child {
    border-left: 1px solid var(--line-tint);
    padding-left: clamp(18px, 3vw, 26px);
  }

  .page-faq .sub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .help-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
    padding: 18px 16px;
    border: 1px solid var(--line-tint);
    border-radius: var(--radius-card);
    background: rgba(10, 23, 48, .68);
    backdrop-filter: blur(6px);
  }

  .page-faq .index-title {
    margin-bottom: 12px;
  }

  .page-faq .index-list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
  }

  .page-faq .index-link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 9px 10px;
    font-size: 13.5px;
    white-space: normal;
  }

  .page-faq .index-link[aria-current="true"] {
    border-left-color: var(--neon-400);
    background: linear-gradient(90deg, rgba(53, 240, 138, .12), transparent);
  }

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

  .page-faq .read-card:last-child {
    grid-column: auto;
  }

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

  .page-faq .step-figure {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-sec {
    scroll-margin-top: 110px;
  }

  .page-faq .fold summary {
    font-size: 15.5px;
    padding: 17px 20px;
  }

  .page-faq .det-body {
    padding: 0 20px 18px;
    font-size: 14.5px;
  }
}
<<<END>>>