.page-faq {
  --faq-line: rgba(14, 17, 19, 0.12);
  --faq-radius: 14px;
  --faq-gap: clamp(16px, 2.6vw, 28px);
  background: var(--chalk);
  color: var(--night);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 4vw, 34px) 0 clamp(34px, 5vw, 68px);
  background: var(--night);
  color: var(--chalk);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -50%;
  top: -40%;
  width: 120%;
  height: 190%;
  background: linear-gradient(150deg, var(--red) 0%, var(--red-deep) 72%);
  transform: rotate(9deg);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.45;
}

.page-faq .faq-hero .breadcrumb {
  color: rgba(247, 249, 246, 0.72);
  font-size: 13px;
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--chalk);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--green-light);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(20px, 3.5vw, 36px);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.page-faq .faq-hero h1::after {
  content: "";
  display: block;
  width: clamp(48px, 9vw, 82px);
  height: 5px;
  margin-top: 16px;
  background: var(--red);
  transform: skewX(-18deg);
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(247, 249, 246, 0.84);
}

.page-faq .faq-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 22px 0 0;
  padding: 0;
}

.page-faq .faq-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid rgba(167, 196, 212, 0.4);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(247, 249, 246, 0.86);
}

.page-faq .faq-meta .mono {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 15px;
  color: var(--green-light);
}

.page-faq .faq-hero__panel {
  background: var(--tactic);
  border-radius: var(--faq-radius);
  border-top: 3px solid var(--red);
  padding: clamp(16px, 3vw, 24px);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

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

.page-faq .hero-stats li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(167, 196, 212, 0.16);
}

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

.page-faq .hero-stats__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--green-light);
}

.page-faq .hero-stats__label {
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(247, 249, 246, 0.78);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 7vw, 84px);
}

.page-faq .faq-index {
  background: #ffffff;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  padding: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--fence);
}

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

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--faq-line);
  color: var(--night);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t), background var(--t), border-color var(--t);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--red);
  background: var(--mist-bg);
  border-color: rgba(200, 16, 46, 0.32);
}

.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
}

.page-faq .faq-index__note {
  display: none;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fence);
}

/* ---------- 章节 ---------- */
.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 5vw, 60px);
  min-width: 0;
}

.page-faq .faq-section {
  padding-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--faq-line);
}

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

.page-faq .faq-section__head {
  max-width: 68ch;
  margin-bottom: clamp(16px, 2.6vw, 24px);
}

.page-faq .faq-section__num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--red);
}

.page-faq .faq-section h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  transform: skewX(-2deg);
  transform-origin: left center;
}

.page-faq .faq-section__lede {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--fence);
}

.page-faq .inline-link {
  color: var(--green-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1.5px solid rgba(11, 122, 59, 0.34);
  transition: color var(--t), border-color var(--t);
}

.page-faq .inline-link:hover,
.page-faq .inline-link:focus-visible {
  color: var(--red);
  border-color: rgba(200, 16, 46, 0.5);
}

/* ---------- 步骤条 ---------- */
.page-faq .stepflow {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
}

.page-faq .stepflow li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: #ffffff;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--red);
  border-radius: 10px;
}

.page-faq .stepflow__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.2;
  color: var(--red);
}

.page-faq .stepflow__txt {
  font-size: 14px;
  line-height: 1.72;
  color: var(--fence);
}

.page-faq .stepflow__txt strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  color: var(--night);
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-section__split {
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--faq-radius);
  object-fit: cover;
  background: var(--tactic);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fence);
}

.page-faq .faq-figure--wide {
  margin: 0 0 clamp(16px, 2.6vw, 22px);
}

.page-faq .faq-figure--tall img {
  max-height: 420px;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-qa {
  min-width: 0;
}

.page-faq .faq-qa--loose {
  margin-top: clamp(16px, 2.6vw, 24px);
}

.page-faq .qa {
  background: #ffffff;
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--t), box-shadow var(--t);
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa:hover {
  border-color: rgba(200, 16, 46, 0.28);
}

.page-faq .qa[open] {
  border-color: rgba(200, 16, 46, 0.4);
  box-shadow: 0 10px 26px -22px rgba(14, 17, 19, 0.7);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--night);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--red);
  border-bottom: 2px solid var(--red);
  transform: rotate(-45deg);
  transition: transform var(--t);
}

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

.page-faq .qa__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__a {
  padding: 0 16px 16px 35px;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--fence);
}

/* ---------- 指标表 ---------- */
.page-faq .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  background: #ffffff;
}

.page-faq .metric-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .metric-table th {
  padding: 11px 14px;
  background: var(--night);
  color: var(--chalk);
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-faq .metric-table td {
  padding: 11px 14px;
  border-top: 1px solid var(--faq-line);
  line-height: 1.65;
  color: var(--fence);
  vertical-align: top;
}

.page-faq .metric-table tbody tr:nth-child(even) {
  background: var(--mist-bg);
}

.page-faq .metric-table td:first-child {
  font-weight: 700;
  color: var(--night);
  white-space: nowrap;
}

/* ---------- 订阅流程 ---------- */
.page-faq .flow-svg {
  display: none;
  width: 100%;
  height: auto;
  margin-bottom: 14px;
}

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

.page-faq .flow__item {
  position: relative;
  padding: 16px;
  background: var(--chalk);
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  border-top: 3px solid var(--tactic);
}

.page-faq .flow__item:first-child {
  border-top-color: var(--red);
}

.page-faq .flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--tactic);
  color: var(--green-light);
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 14px;
}

.page-faq .flow__item:first-child .flow__num {
  background: var(--red);
  color: var(--chalk);
}

.page-faq .flow__item h3 {
  margin: 10px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--night);
}

.page-faq .flow__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fence);
}

/* ---------- 版本时间线 ---------- */
.page-faq .ver-list {
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
}

.page-faq .ver-item {
  position: relative;
  margin-left: 6px;
  padding: 0 0 20px 26px;
  border-left: 2px solid rgba(14, 17, 19, 0.14);
}

.page-faq .ver-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .ver-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green-deep);
  box-shadow: 0 0 0 3px var(--chalk);
}

.page-faq .ver-item:first-child::before {
  background: var(--red);
}

.page-faq .ver-item__tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--tactic);
  color: var(--green-light);
  font-family: var(--font-data);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-faq .ver-item h3 {
  margin: 8px 0 4px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--night);
}

.page-faq .ver-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fence);
}

.page-faq .checklist {
  padding: clamp(16px, 2.6vw, 22px);
  background: var(--mist-bg);
  border-radius: var(--faq-radius);
  border-left: 3px solid var(--mist);
}

.page-faq .checklist__title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--night);
}

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

.page-faq .checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fence);
}

.page-faq .checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-deep);
}

/* ---------- 故障排查状态 ---------- */
.page-faq .qa--trouble .qa__q {
  flex-wrap: wrap;
}

.page-faq .qa--trouble .qa__label {
  flex: 1 1 60%;
}

.page-faq .tag {
  flex: 0 0 auto;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-faq .tag--ok {
  background: rgba(11, 122, 59, 0.12);
  color: var(--green-deep);
}

.page-faq .tag--warn {
  background: rgba(249, 115, 22, 0.16);
  color: #B45309;
}

/* ---------- 联系方式 ---------- */
.page-faq .support-cats {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding: 0;
}

.page-faq .support-cats li {
  padding: 13px 15px;
  background: #ffffff;
  border: 1px solid var(--faq-line);
  border-radius: 10px;
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--fence);
}

.page-faq .support-cats strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  color: var(--night);
}

.page-faq .channels {
  display: grid;
  gap: 12px;
}

.page-faq .channel {
  padding: 16px;
  background: var(--night);
  border-radius: var(--faq-radius);
  border-top: 3px solid var(--green-deep);
}

.page-faq .channel__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .channel__value {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--chalk);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-faq .channel__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 249, 246, 0.72);
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(18px, 3vw, 26px);
  background: var(--red);
  border-radius: var(--faq-radius);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-faq .faq-cta__text {
  flex: 1 1 260px;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--chalk);
}

.page-faq .faq-cta__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--chalk);
  color: var(--night);
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--t), background var(--t), color var(--t);
}

.page-faq .faq-cta__link:hover,
.page-faq .faq-cta__link:focus-visible {
  background: var(--night);
  color: var(--chalk);
  transform: translateX(3px);
}

.page-faq .faq-tail {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--fence);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .stepflow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 760px) {
  .page-faq .flow-svg {
    display: block;
  }

  .page-faq .faq-section__split {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 260px);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero::before {
    right: -18%;
    width: 74%;
    opacity: 0.9;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 258px minmax(0, 1fr);
    align-items: start;
    gap: clamp(30px, 4vw, 60px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-index__list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-bottom: 1px solid var(--faq-line);
    border-radius: 0;
    padding: 11px 2px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-index__list li:last-child a {
    border-bottom: 0;
  }

  .page-faq .faq-index__note {
    display: block;
  }

  .page-faq .qa__q {
    padding: 16px 18px;
    font-size: 15.5px;
  }

  .page-faq .qa__a {
    padding: 0 18px 18px 37px;
  }
}

@media (min-width: 1180px) {
  .page-faq .support-cats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark,
  .page-faq .faq-cta__link,
  .page-faq .faq-index__list a,
  .page-faq .inline-link {
    transition: none;
  }

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