.page-faq {
  --faq-rail-x: 33px;
  --faq-num-w: 30px;
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--font-body);
}

.page-faq .shell {
  padding-inline: 20px;
}

@media (min-width: 760px) {
  .page-faq .shell {
    padding-inline: 40px;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    --faq-rail-x: 38px;
    --faq-num-w: 34px;
  }
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 20px 0 48px;
  overflow: hidden;
  background:
    radial-gradient(92% 72% at 88% 2%, rgba(49, 244, 228, 0.14), transparent 62%),
    radial-gradient(68% 62% at 4% 98%, rgba(255, 154, 60, 0.09), transparent 62%),
    linear-gradient(180deg, var(--ink-1) 0%, var(--ink-0) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero__copy .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  border: 1px solid rgba(49, 244, 228, 0.45);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  max-width: 46rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-faq .faq-hero__step {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-soft);
  font-size: 0.82rem;
  color: var(--text);
}

.page-faq .faq-hero__step .mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

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

.page-faq .faq-hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-faq .faq-hero__svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 28px 0 64px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 48px;
  }
}

/* ---------- 分类切换 ---------- */
.page-faq .section--tight {
  padding-top: 40px;
  padding-bottom: 8px;
}

.page-faq .faq-pick {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(13, 36, 56, 0.9), rgba(5, 11, 22, 0.6));
  box-shadow: var(--shadow-card);
}

.page-faq .faq-pick__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-pick__note {
  margin: 0 0 20px;
  font-size: 0.9rem;
  color: var(--muted);
}

.page-faq .faq-tabs .tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 18px;
  scrollbar-width: thin;
}

.page-faq .faq-tabs .tabs__tab {
  flex: none;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-1);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-tabs .tabs__tab:hover {
  color: var(--mist);
  border-color: rgba(140, 247, 239, 0.55);
}

.page-faq .faq-tabs .tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-0);
  font-weight: 700;
}

.page-faq .faq-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-pick__panel {
  animation: faqPanelIn 220ms var(--ease) both;
}

@keyframes faqPanelIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

.page-faq .faq-pick__lead {
  margin: 0 0 12px;
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--text);
}

.page-faq .faq-pick__link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 244, 228, 0.5);
  padding-bottom: 2px;
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-top: 48px;
  padding-bottom: 72px;
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-toc {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-soft);
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 6px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc__list a .mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  opacity: 0.8;
}

.page-faq .faq-toc__list a:hover {
  color: var(--text);
  background: rgba(49, 244, 228, 0.08);
}

.page-faq .faq-toc__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
}

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

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: 24px;
  }
}

/* ---------- 章节头 ---------- */
.page-faq .faq-sec {
  padding-bottom: 44px;
  margin-bottom: 44px;
  border-bottom: 1px solid rgba(30, 65, 89, 0.7);
  scroll-margin-top: 24px;
}

.page-faq .faq-sec:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num note";
  column-gap: 16px;
  row-gap: 4px;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-sec__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(49, 244, 228, 0.42);
}

.page-faq .faq-sec__title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .faq-sec__note {
  grid-area: note;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-sec__lead {
  margin: 0 0 22px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-faq .faq-sec__num {
    font-size: 2.5rem;
  }
  .page-faq .faq-sec__title {
    font-size: 1.6rem;
  }
}

/* ---------- 通用列表 ---------- */
.page-faq .faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 17px;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-faq .faq-list--wide {
  gap: 12px;
}

.page-faq .faq-list--wide li {
  font-size: 0.96rem;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-soft);
}

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

.page-faq .faq-figure__cap {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: rgba(5, 11, 22, 0.5);
}

/* ---------- 五步手风琴 ---------- */
.page-faq .faq-steps {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: var(--faq-rail-x);
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(49, 244, 228, 0.35) 10%, rgba(49, 244, 228, 0.35) 90%, transparent);
  pointer-events: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 16px;
  border-bottom: 1px solid rgba(30, 65, 89, 0.65);
}

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

.page-faq .faq-step > .acc__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-step > .acc__summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-step > .acc__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-faq .faq-step__num {
  flex: none;
  width: var(--faq-num-w);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

.page-faq .faq-step__mark {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 16px;
  height: 16px;
}

.page-faq .faq-step__mark::before,
.page-faq .faq-step__mark::after {
  content: "";
  position: absolute;
  background: var(--mist);
  border-radius: 2px;
}

.page-faq .faq-step__mark::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .faq-step__mark::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  transition: transform 0.22s var(--ease);
}

.page-faq .faq-step[open] .faq-step__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-step > .acc__body {
  padding: 12px 0 4px calc(var(--faq-num-w) + 15px);
}

@media (min-width: 760px) {
  .page-faq .faq-step {
    padding: 18px 20px;
  }
  .page-faq .faq-step > .acc__summary {
    font-size: 1.06rem;
  }
}

/* ---------- 容量条 ---------- */
.page-faq .faq-meter {
  display: flex;
  height: 22px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--ink-1);
}

.page-faq .faq-meter__seg {
  display: block;
  height: 100%;
}

.page-faq .faq-meter__seg:nth-child(1) {
  width: 34%;
  background: linear-gradient(90deg, #17334a, #2b5f7d);
}

.page-faq .faq-meter__seg:nth-child(2) {
  width: 26%;
  background: linear-gradient(90deg, var(--cyan), var(--mist));
}

.page-faq .faq-meter__seg:nth-child(3) {
  width: 16%;
  background: linear-gradient(90deg, var(--orange), var(--amber));
}

.page-faq .faq-meter__seg:nth-child(4) {
  width: 24%;
  background: repeating-linear-gradient(
    45deg,
    rgba(140, 247, 239, 0.18) 0 6px,
    transparent 6px 12px
  );
}

.page-faq .faq-legend {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-legend li {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 26, 43, 0.7);
  font-size: 0.85rem;
  color: var(--muted);
}

.page-faq .faq-legend strong {
  color: var(--text);
  font-weight: 600;
}

.page-faq .faq-legend__dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.page-faq .faq-legend__dot--sys {
  background: linear-gradient(90deg, #17334a, #2b5f7d);
}

.page-faq .faq-legend__dot--pkg {
  background: linear-gradient(90deg, var(--cyan), var(--mist));
}

.page-faq .faq-legend__dot--res {
  background: linear-gradient(90deg, var(--orange), var(--amber));
}

.page-faq .faq-legend__dot--free {
  background: rgba(140, 247, 239, 0.28);
  border: 1px solid var(--line);
}

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

.page-faq .faq-sub {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-order {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-order li {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  border-left: 2px solid rgba(49, 244, 228, 0.45);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(8, 26, 43, 0.6);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-order .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  padding-top: 2px;
}

/* ---------- 配置坐标 ---------- */
.page-faq .faq-coords {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-coord {
  position: relative;
  padding: 16px 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(150deg, rgba(13, 36, 56, 0.85), rgba(5, 11, 22, 0.55));
}

.page-faq .faq-coord__code {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-coord__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-coord p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

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

/* ---------- 礼包码 ---------- */
.page-faq .faq-gift {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .faq-gift__item {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 26, 43, 0.7);
}

.page-faq .faq-gift__code {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-gift__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-gift__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

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

/* ---------- 提示与内联链接 ---------- */
.page-faq .faq-hint {
  margin: 0 0 14px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 154, 60, 0.32);
  border-radius: var(--radius-sm);
  background: rgba(255, 154, 60, 0.07);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 报错 ---------- */
.page-faq .faq-errors {
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-error {
  position: relative;
  padding: 14px 16px 14px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 26, 43, 0.65);
}

.page-faq .faq-error__dot {
  position: absolute;
  left: 14px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 154, 60, 0.16);
}

.page-faq .faq-error__title {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-error p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 联系块 ---------- */
.page-faq .faq-contact {
  padding: 22px 18px;
  border: 1px solid rgba(49, 244, 228, 0.32);
  border-radius: var(--radius);
  background:
    radial-gradient(110% 100% at 100% 0%, rgba(49, 244, 228, 0.12), transparent 62%),
    linear-gradient(160deg, rgba(13, 36, 56, 0.95), rgba(5, 11, 22, 0.75));
}

.page-faq .faq-contact__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
}

.page-faq .faq-contact__note {
  margin: 0 0 18px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-contact .contact-list {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.page-faq .faq-contact__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(5, 11, 22, 0.55);
}

.page-faq .faq-contact__row .contact-item__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .faq-contact__row .contact-item__value {
  flex: 1 1 12rem;
  min-width: 0;
  font-size: 0.92rem;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-contact__row .contact-item__value a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 244, 228, 0.45);
}

.page-faq .faq-contact__row .contact-item__value a:hover {
  color: var(--mist);
}

.page-faq .faq-copy {
  flex: none;
  padding: 6px 13px;
  border: 1px solid rgba(49, 244, 228, 0.5);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-copy:hover {
  background: rgba(49, 244, 228, 0.14);
}

.page-faq .faq-copy:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-copy-hint {
  min-height: 1.2em;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--green);
}

@media (min-width: 760px) {
  .page-faq .faq-contact {
    padding: 28px 24px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pick__panel {
    animation: none;
  }
  .page-faq .faq-step__mark::after {
    transition: none;
  }
}
<<<END>>>