.page-faq {
  --faq-gap: clamp(20px, 4vw, 40px);
  --faq-card-bg: rgba(5, 20, 15, 0.6);
}

.page-faq .bw-h1,
.page-faq .bw-h2 {
  font-family: var(--bw-font-display);
  letter-spacing: 0.012em;
}

/* ---------- 页头 ---------- */

.page-faq .faq-masthead {
  padding-top: clamp(24px, 5vw, 56px);
}

.page-faq .faq-masthead__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(22px, 4vw, 42px);
}

.page-faq .faq-masthead__main .bw-lead {
  max-width: 60ch;
  margin-top: clamp(14px, 2vw, 20px);
}

.page-faq .faq-masthead__rule {
  display: block;
  width: min(300px, 62%);
  height: 2px;
  margin-top: clamp(22px, 3vw, 34px);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bw-cyan), var(--bw-orange));
}

.page-faq .faq-index__cap {
  margin: 0 0 10px;
  font-family: var(--bw-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bw-orange);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--bw-line);
}

.page-faq .faq-index li {
  border-bottom: 1px solid var(--bw-line);
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 2px;
  color: var(--bw-silver);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 1.5;
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--bw-cyan);
  transform: translateX(3px);
}

.page-faq .faq-index__num {
  font-family: var(--bw-font-data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--bw-orange);
}

/* ---------- 快速开始 ---------- */

.page-faq .faq-start__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-start__media .bw-media {
  margin: 0;
}

.page-faq .faq-start__body .bw-text {
  max-width: 64ch;
  margin-top: clamp(12px, 2vw, 18px);
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: clamp(40px, 9vw, 60px) minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-top: 1px solid var(--bw-line);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--bw-line);
}

.page-faq .faq-step__num {
  font-family: var(--bw-font-data);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  line-height: 1.15;
  letter-spacing: 0.06em;
  color: var(--bw-cyan);
}

.page-faq .faq-step__body .bw-h3 {
  margin: 0 0 8px;
}

.page-faq .faq-step__body .bw-text {
  margin: 0;
}

.page-faq .faq-step__body .bw-link {
  color: var(--bw-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 245, 196, 0.4);
}

.page-faq .faq-step__body .bw-link:hover,
.page-faq .faq-step__body .bw-link:focus-visible {
  border-bottom-color: var(--bw-cyan);
}

/* ---------- 分类问答 ---------- */

.page-faq .faq-qa__head {
  max-width: var(--bw-shell-narrow);
}

.page-faq .faq-qa__head .bw-text {
  margin-top: clamp(10px, 1.6vw, 16px);
}

.page-faq .faq-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
  padding: 4px 2px 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  padding: 10px 20px;
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius-pill);
  background: transparent;
  color: var(--bw-silver);
  font-family: var(--bw-font-body);
  font-size: 0.9375rem;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-tab:hover {
  color: var(--bw-white);
  border-color: var(--bw-silver);
}

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--bw-cyan);
  border-color: var(--bw-cyan);
  color: #04140F;
  font-weight: 600;
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--bw-orange);
  outline-offset: 3px;
}

.page-faq .faq-panel {
  display: grid;
  gap: 0;
  margin-top: clamp(6px, 1.4vw, 14px);
}

.page-faq .faq-panel[hidden] {
  display: none;
}

.page-faq .faq-panel:focus-visible {
  outline: 2px solid var(--bw-cyan);
  outline-offset: 8px;
  border-radius: 6px;
}

.page-faq .faq-item {
  border-top: 1px solid var(--bw-line);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--bw-line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--bw-font-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 500;
  line-height: 1.38;
  color: var(--bw-white);
  letter-spacing: 0.012em;
  transition: color 0.2s ease;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--bw-font-data);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--bw-cyan);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--bw-cyan);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--bw-orange);
}

.page-faq .faq-item__q:hover {
  color: var(--bw-cyan);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--bw-cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-faq .faq-item__a {
  padding: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 70ch;
}

.page-faq .faq-item__a p {
  margin: 0;
  color: var(--bw-silver);
  font-size: 1rem;
  line-height: 1.78;
}

.page-faq .faq-item__a .bw-link {
  color: var(--bw-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 245, 196, 0.4);
}

.page-faq .faq-item__a .bw-link:hover,
.page-faq .faq-item__a .bw-link:focus-visible {
  border-bottom-color: var(--bw-cyan);
}

/* ---------- 更新节奏 ---------- */

.page-faq .faq-rhythm__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-rhythm__body .bw-text {
  margin-top: clamp(10px, 1.6vw, 16px);
}

.page-faq .faq-rhythm__list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-rhythm__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 18px;
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  background: var(--faq-card-bg);
}

.page-faq .faq-rhythm__time {
  font-family: var(--bw-font-data);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.2;
  color: var(--bw-cyan);
  letter-spacing: 0.02em;
}

.page-faq .faq-rhythm__label {
  color: var(--bw-silver);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.page-faq .faq-rhythm__media {
  margin: 0;
}

/* ---------- 纠错与咨询 ---------- */

.page-faq .faq-support__inner {
  max-width: 980px;
}

.page-faq .faq-support__inner .bw-text {
  margin-top: clamp(10px, 1.6vw, 16px);
  max-width: 68ch;
}

.page-faq .faq-support__inner .bw-link {
  color: var(--bw-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 245, 196, 0.4);
}

.page-faq .faq-support__inner .bw-link:hover,
.page-faq .faq-support__inner .bw-link:focus-visible {
  border-bottom-color: var(--bw-cyan);
}

.page-faq .faq-support__card {
  margin-top: clamp(24px, 3vw, 36px);
  padding: clamp(22px, 3vw, 34px);
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-support__dl {
  margin: 0;
  display: grid;
  gap: 18px;
}

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

.page-faq .faq-support__dl dt {
  margin-bottom: 6px;
  font-family: var(--bw-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bw-orange);
}

.page-faq .faq-support__dl dd {
  margin: 0;
  color: var(--bw-white);
  font-size: 0.9375rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-support__card .bw-note {
  margin: 0;
}

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

/* ---------- 桌面增强 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-support__dl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-rhythm__item {
    flex-direction: row;
    align-items: baseline;
    gap: 20px;
  }

  .page-faq .faq-rhythm__time {
    flex: 0 0 auto;
    min-width: 7.5em;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-masthead__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(220px, 0.85fr);
    align-items: end;
    gap: clamp(32px, 5vw, 88px);
  }

  .page-faq .faq-start__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-start__media {
    position: sticky;
    top: 118px;
  }

  .page-faq .faq-rhythm__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-item__q {
    padding-right: clamp(0px, 4vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-tab,
  .page-faq .faq-item__q {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    transform: none;
  }
}
<<<END>>>