.page-faq {
  --faq-cut: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  --faq-gap: clamp(52px, 7vw, 100px);
  padding-block: clamp(16px, 2.4vw, 28px) clamp(72px, 9vw, 120px);
}

.page-faq .tx-section {
  margin-top: var(--faq-gap);
}

.page-faq .tx-section:first-of-type {
  margin-top: clamp(20px, 2.6vw, 36px);
}

/* ---------- 通用小节头 ---------- */
.page-faq .faq-head {
  max-width: 780px;
}

.page-faq .faq-head h2 {
  margin: 12px 0 14px;
  font-family: var(--tx-font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--tx-white);
}

.page-faq .faq-head__lead {
  margin: 0;
  max-width: var(--tx-read);
  font-size: 17px;
  line-height: 1.75;
  color: var(--tx-mist);
}

.page-faq .faq-copy {
  margin: 0 0 12px;
  max-width: var(--tx-read);
  font-size: 16px;
  line-height: 1.75;
  color: var(--tx-mist);
}

/* ---------- 入口卡片 ---------- */
.page-faq .faq-hero {
  position: relative;
  border: var(--tx-line) solid var(--tx-cyan);
  background: linear-gradient(140deg, var(--tx-panel-2) 0%, var(--tx-deep) 72%);
  padding: clamp(22px, 3.4vw, 48px);
  box-shadow: var(--tx-shadow-hard);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -50px;
  width: 240px;
  height: 160px;
  background: linear-gradient(120deg, rgba(23, 224, 255, 0.22), rgba(23, 224, 255, 0));
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--tx-font-display);
  font-weight: 900;
  font-size: clamp(29px, 5.2vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--tx-white);
}

.page-faq .faq-hero .tx-lead {
  max-width: 640px;
  margin: 0 0 22px;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.75;
  color: var(--tx-mist);
}

.page-faq .faq-hero__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--tx-white);
}

.page-faq .faq-hero__points li {
  position: relative;
  padding-left: 22px;
}

.page-faq .faq-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 10px;
  height: 10px;
  background: var(--tx-cyan);
  transform: rotate(8deg);
}

.page-faq .faq-hero__ver {
  border: var(--tx-line) solid var(--tx-lava);
  background: rgba(255, 106, 43, 0.09);
  padding: 20px 22px 22px;
  align-self: start;
}

.page-faq .faq-hero__verlabel {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--tx-lava);
}

.page-faq .faq-hero__vernum {
  display: block;
  margin: 6px 0 4px;
  font-family: var(--tx-font-mono);
  font-size: clamp(52px, 9vw, 84px);
  font-weight: 700;
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--tx-lava);
}

.page-faq .faq-hero__verdate {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--tx-white);
}

.page-faq .faq-hero__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--tx-mist);
}

.page-faq .faq-hero__list li {
  position: relative;
  padding-left: 18px;
}

.page-faq .faq-hero__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  background: var(--tx-lime);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: clamp(24px, 3.2vw, 40px) 0 0;
  border: var(--tx-line) solid var(--tx-panel-2);
}

/* ---------- 筛选与目录 ---------- */
.page-faq .faq-filter {
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 14px;
}

.page-faq .tx-filter__count {
  align-self: center;
  font-family: var(--tx-font-mono);
  font-size: 14px;
  color: var(--tx-cyan);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--tx-line) solid var(--tx-panel-2);
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--tx-panel-2);
  transition: background var(--tx-fast), padding-left var(--tx-fast);
}

.page-faq .faq-index__item:hover {
  background: var(--tx-panel);
  padding-left: 12px;
}

.page-faq .faq-index__no {
  font-family: var(--tx-font-mono);
  font-size: 15px;
  color: var(--tx-cyan);
}

.page-faq .faq-index__title {
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--tx-white);
}

.page-faq .faq-index__cat {
  grid-column: 2;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--tx-mist);
}

/* ---------- 高频问题步骤流 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 28px;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 2px solid var(--tx-cyan);
  color: var(--tx-cyan);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--tx-fast), color var(--tx-fast);
}

.page-faq .faq-jump__link:hover {
  background: var(--tx-cyan);
  color: var(--tx-deep);
}

.page-faq .faq-flow {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
}

.page-faq .faq-fix {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(20px, 2.4vw, 28px);
  border: var(--tx-line) solid var(--tx-panel-2);
  background: var(--tx-panel);
  scroll-margin-top: 96px;
  transition: border-color var(--tx-mid), box-shadow var(--tx-mid);
}

.page-faq .faq-fix:hover {
  border-color: var(--tx-cyan);
  box-shadow: var(--tx-shadow-cyan);
}

.page-faq .faq-fix__title {
  margin: 0;
  font-family: var(--tx-font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.2;
  color: var(--tx-white);
}

.page-faq .faq-fix__lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--tx-mist);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 14px 14px 12px;
  border-left: 3px solid var(--tx-cyan);
  background: rgba(23, 224, 255, 0.05);
}

.page-faq .faq-step__no {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--tx-cyan);
  color: var(--tx-deep);
  font-family: var(--tx-font-mono);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--tx-white);
}

.page-faq .faq-step__check {
  grid-column: 2;
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--tx-lime);
}

/* ---------- 两端入口对照 ---------- */
.page-faq .faq-dual {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-faq .faq-dual__col {
  border: var(--tx-line) solid var(--tx-panel-2);
  background: var(--tx-panel);
  padding: 20px 20px 22px;
}

.page-faq .faq-dual__title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--tx-cyan);
}

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

.page-faq .faq-slot {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border-left: 3px solid var(--tx-lime);
  background: rgba(184, 255, 61, 0.06);
}

.page-faq .faq-slot__pos {
  font-family: var(--tx-font-mono);
  font-size: 12.5px;
  color: var(--tx-mist);
}

.page-faq .faq-slot__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--tx-white);
}

.page-faq .faq-remote {
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
  margin-top: clamp(28px, 3.4vw, 44px);
  padding-top: clamp(24px, 3vw, 36px);
  border-top: var(--tx-line) solid var(--tx-panel-2);
}

.page-faq .faq-remote__media {
  margin: 0;
  border: var(--tx-line) solid var(--tx-panel-2);
}

.page-faq .faq-remote__title {
  margin: 0 0 12px;
  font-family: var(--tx-font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.2;
  color: var(--tx-white);
}

/* ---------- 故障排查漏斗 ---------- */
.page-faq .faq-funnelwrap {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
  margin-top: 28px;
  align-items: start;
}

.page-faq .faq-funnel {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
}

.page-faq .faq-funnel__band--1 {
  fill: rgba(23, 224, 255, 0.2);
  stroke: var(--tx-cyan);
  stroke-width: 3;
}

.page-faq .faq-funnel__band--2 {
  fill: rgba(255, 106, 43, 0.18);
  stroke: var(--tx-lava);
  stroke-width: 3;
}

.page-faq .faq-funnel__band--3 {
  fill: rgba(184, 255, 61, 0.16);
  stroke: var(--tx-lime);
  stroke-width: 3;
}

.page-faq .faq-funnel__label {
  font-family: var(--tx-font-display);
  font-size: 23px;
  font-weight: 800;
  fill: var(--tx-white);
  letter-spacing: 0.02em;
}

.page-faq .faq-layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-layer {
  padding: 18px 20px 20px;
  border: var(--tx-line) solid var(--tx-panel-2);
  background: var(--tx-panel);
}

.page-faq .faq-layer__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--tx-font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--tx-white);
}

.page-faq .faq-layer__no {
  display: inline-grid;
  place-items: center;
  min-width: 42px;
  height: 26px;
  padding: 0 6px;
  background: var(--tx-cyan);
  color: var(--tx-deep);
  font-family: var(--tx-font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .faq-layer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--tx-mist);
}

.page-faq .faq-layer__list li {
  position: relative;
  padding-left: 18px;
}

.page-faq .faq-layer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--tx-cyan);
}

.page-faq .faq-layer__next {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--tx-panel-2);
  font-size: 13.5px;
  color: var(--tx-lava);
}

/* ---------- 转人工支持 ---------- */
.page-faq .faq-support {
  border: var(--tx-line) solid var(--tx-lava);
  background: linear-gradient(150deg, var(--tx-panel) 0%, var(--tx-deep) 100%);
  padding: clamp(22px, 3.2vw, 44px);
  box-shadow: var(--tx-shadow-hard);
}

.page-faq .faq-support__head {
  max-width: 780px;
}

.page-faq .faq-support__head h2 {
  margin: 12px 0 14px;
  font-family: var(--tx-font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--tx-white);
}

.page-faq .faq-support__lead {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--tx-mist);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-support__sub {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--tx-lime);
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--tx-white);
}

.page-faq .faq-support__list li {
  position: relative;
  padding-left: 20px;
}

.page-faq .faq-support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 9px;
  height: 9px;
  background: var(--tx-lime);
  transform: rotate(8deg);
}

.page-faq .faq-support__kv dt {
  color: var(--tx-mist);
}

.page-faq .faq-support__kv dd {
  color: var(--tx-white);
}

.page-faq .faq-support__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--tx-mist);
}

.page-faq .faq-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3vw, 38px);
  padding-top: clamp(22px, 2.6vw, 32px);
  border-top: var(--tx-line) solid var(--tx-panel-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-index__item {
    grid-template-columns: 54px minmax(0, 1fr) auto;
  }

  .page-faq .faq-index__cat {
    grid-column: 3;
    align-self: center;
  }

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

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-funnelwrap {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}
<<<END>>>