.page-faq {
  --faq-narrow: 46rem;
  --faq-gap: clamp(20px, 3.4vw, 36px);
  --faq-block-space: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(120% 55% at 88% -4%, rgba(87, 217, 208, 0.08), transparent 62%),
    radial-gradient(90% 45% at 4% 18%, rgba(242, 179, 61, 0.05), transparent 58%),
    var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  color: var(--muted);
}

.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 44px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding-left: clamp(18px, 3vw, 34px);
  }

  .page-faq .faq-hero::before {
    content: "";
    position: absolute;
    left: 0;
    top: 30px;
    bottom: 40px;
    width: 6px;
    background: repeating-linear-gradient(
      to bottom,
      var(--line) 0 1px,
      transparent 1px 15px
    );
  }
}

.page-faq .faq-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 62px);
  line-height: 1.18;
  letter-spacing: 0.04em;
  margin: 0;
  max-width: 20ch;
}

.page-faq .faq-hero .lead {
  max-width: 40rem;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

.page-faq .hero-marks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 8px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-faq .hero-marks__k {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--paper);
  letter-spacing: 0.02em;
}

/* 主题筛选条 */
.page-faq .faq-filterwrap {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(7, 11, 20, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-faq .faq-filter {
  display: flex;
  gap: 8px;
  padding: 11px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .filter-button {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .filter-button:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .filter-button[aria-pressed="true"],
.page-faq .filter-button[data-filter-active="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
}

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

/* 决策区 */
.page-faq .decision {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(32px, 5vw, 64px) 0 var(--faq-block-space);
  border-bottom: 1px solid var(--line);
}

.page-faq .decision__copy {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .branch {
  width: 100%;
  height: 66px;
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-faq .branch circle {
  fill: var(--gold);
  stroke: none;
}

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

.page-faq .path {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 15px 2px;
  border-top: 1px dashed var(--line);
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .path:hover,
.page-faq .path:focus-visible {
  color: var(--cyan);
}

.page-faq .path:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .path__scene {
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .path__pick {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--gold);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-faq .path:hover .path__pick {
  color: var(--cyan);
}

.page-faq .decision__figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .decision__figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: var(--panel);
}

.page-faq .media-caption {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

@media (min-width: 940px) {
  .page-faq .decision {
    grid-template-columns: 1.06fr 0.94fr;
    align-items: center;
  }
}

/* 问答区块 */
.page-faq .faq-block {
  padding: var(--faq-block-space) 0 0;
}

.page-faq .faq-block .section-head {
  max-width: var(--faq-narrow);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-block .section-head h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 4vw, 32px);
  letter-spacing: 0.03em;
  line-height: 1.3;
  margin: 6px 0 10px;
  color: var(--paper);
}

.page-faq .faq-block .section-head .body-copy {
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

.page-faq .qa-list {
  max-width: var(--faq-narrow);
  border-top: 1px solid var(--line);
}

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

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: baseline;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa__text {
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.6;
  font-weight: 500;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-faq .qa__q:hover .qa__text {
  color: var(--cyan);
}

.page-faq .qa__mark {
  width: 8px;
  height: 8px;
  align-self: center;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(45deg);
  border-color: var(--gold);
}

.page-faq .qa[open] .qa__num {
  color: var(--gold);
}

.page-faq .qa__a {
  padding: 0 0 22px calc(1.6rem + 14px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  animation: faq-fade 0.24s var(--ease);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

@keyframes faq-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark,
  .page-faq .qa__text {
    transition: none;
  }

  .page-faq .qa__a {
    animation: none;
  }
}

/* 步骤列表 */
.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 12px 0 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 9px;
}

.page-faq .steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 26px;
  line-height: 1.75;
  font-size: 14px;
}

.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* 订阅流程配图 */
.page-faq .sub-figure {
  max-width: var(--faq-narrow);
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-faq .sub-figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: var(--panel);
}

/* 客服收口 */
.page-faq .faq-help {
  margin: var(--faq-block-space) 0 clamp(56px, 8vw, 96px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius-soft);
  background: var(--panel-soft);
  display: grid;
  gap: 18px;
}

.page-faq .faq-help .section-head {
  max-width: var(--faq-narrow);
}

.page-faq .faq-help h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: 0.03em;
  line-height: 1.3;
  margin: 6px 0 10px;
}

.page-faq .faq-help .body-copy {
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

.page-faq .faq-help .text-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-faq .help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: var(--faq-narrow);
  border-top: 1px solid var(--line);
}

.page-faq .help-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .help-list__k {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--paper);
}

.page-faq .help-list__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

@media (min-width: 760px) {
  .page-faq .help-list li {
    grid-template-columns: 12rem 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

.page-faq {
  --faq-narrow: 46rem;
  --faq-gap: clamp(20px, 3.4vw, 36px);
  --faq-block-space: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(120% 55% at 88% -4%, rgba(87, 217, 208, 0.08), transparent 62%),
    radial-gradient(90% 45% at 4% 18%, rgba(242, 179, 61, 0.05), transparent 58%),
    var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  color: var(--muted);
}

.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 44px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding-left: clamp(18px, 3vw, 34px);
  }

  .page-faq .faq-hero::before {
    content: "";
    position: absolute;
    left: 0;
    top: 30px;
    bottom: 40px;
    width: 6px;
    background: repeating-linear-gradient(
      to bottom,
      var(--line) 0 1px,
      transparent 1px 15px
    );
  }
}

.page-faq .faq-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 62px);
  line-height: 1.18;
  letter-spacing: 0.04em;
  margin: 0;
  max-width: 20ch;
}

.page-faq .faq-hero .lead {
  max-width: 40rem;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

.page-faq .hero-marks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 8px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-faq .hero-marks__k {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-faq .faq-filterwrap {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(7, 11, 20, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-faq .faq-filter {
  display: flex;
  gap: 8px;
  padding: 11px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .filter-button {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .filter-button:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .filter-button[aria-pressed="true"],
.page-faq .filter-button[data-filter-active="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
}

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

.page-faq .decision {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(32px, 5vw, 64px) 0 var(--faq-block-space);
  border-bottom: 1px solid var(--line);
}

.page-faq .decision__copy {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .branch {
  width: 100%;
  height: 66px;
  fill: none;
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-faq .branch circle {
  fill: var(--gold);
  stroke: none;
}

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

.page-faq .path {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 15px 2px;
  border-top: 1px dashed var(--line);
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .path:hover,
.page-faq .path:focus-visible {
  color: var(--cyan);
}

.page-faq .path:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .path__scene {
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .path__pick {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--gold);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-faq .path:hover .path__pick {
  color: var(--cyan);
}

.page-faq .decision__figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .decision__figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: var(--panel);
}

.page-faq .media-caption {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

@media (min-width: 940px) {
  .page-faq .decision {
    grid-template-columns: 1.06fr 0.94fr;
    align-items: center;
  }
}

.page-faq .faq-block {
  padding: var(--faq-block-space) 0 0;
}

.page-faq .faq-block .section-head {
  max-width: var(--faq-narrow);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-block .section-head h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 4vw, 32px);
  letter-spacing: 0.03em;
  line-height: 1.3;
  margin: 6px 0 10px;
  color: var(--paper);
}

.page-faq .faq-block .section-head .body-copy {
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

.page-faq .qa-list {
  max-width: var(--faq-narrow);
  border-top: 1px solid var(--line);
}

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

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

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: baseline;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .qa__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa__text {
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.6;
  font-weight: 500;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-faq .qa__q:hover .qa__text {
  color: var(--cyan);
}

.page-faq .qa__mark {
  width: 8px;
  height: 8px;
  align-self: center;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(45deg);
  border-color: var(--gold);
}

.page-faq .qa[open] .qa__num {
  color: var(--gold);
}

.page-faq .qa__a {
  padding: 0 0 22px calc(1.6rem + 14px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  animation: faq-fade 0.24s var(--ease);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

@keyframes faq-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark,
  .page-faq .qa__text {
    transition: none;
  }

  .page-faq .qa__a {
    animation: none;
  }
}

.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 12px 0 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 9px;
}

.page-faq .steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 26px;
  line-height: 1.75;
  font-size: 14px;
}

.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .sub-figure {
  max-width: var(--faq-narrow);
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-faq .sub-figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: var(--panel);
}

.page-faq .faq-help {
  margin: var(--faq-block-space) 0 clamp(56px, 8vw, 96px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius-soft);
  background: var(--panel-soft);
  display: grid;
  gap: 18px;
}

.page-faq .faq-help .section-head {
  max-width: var(--faq-narrow);
}

.page-faq .faq-help h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: 0.03em;
  line-height: 1.3;
  margin: 6px 0 10px;
}

.page-faq .faq-help .body-copy {
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

.page-faq .faq-help .text-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-faq .help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: var(--faq-narrow);
  border-top: 1px solid var(--line);
}

.page-faq .help-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .help-list__k {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--paper);
}

.page-faq .help-list__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.page-faq .help-actions .button {
  text-decoration: none;
}

@media (min-width: 760px) {
  .page-faq .help-list li {
    grid-template-columns: 12rem 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (max-width: 520px) {
  .page-faq .qa__a {
    padding-left: 0;
  }

  .page-faq .path {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-faq .path__pick {
    white-space: normal;
  }
}
<<<END>>>