.page-faq {
  --faq-rail: 34px;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  overflow-x: clip;
}

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

/* ---------- 首屏 ---------- */
.faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  border-bottom: 4px solid var(--line);
}
.faq-hero__cut {
  position: absolute;
  inset: 0;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% 30%, 0 76%);
  pointer-events: none;
}
.faq-hero__mark {
  position: absolute;
  top: 18px;
  right: 10px;
  z-index: 3;
  color: var(--mist);
  display: none;
}
.faq-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(26px, 7vw, 58px);
}
.page-faq .eyebrow {
  color: var(--lime);
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}
.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(2rem, 9vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 15em;
}
.page-faq .faq-hero .lead {
  margin: 18px 0 0;
  color: var(--mist);
  font-size: clamp(0.95rem, 2.6vw, 1.05rem);
  line-height: 1.75;
  max-width: 32em;
}
.faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 首屏索引 ---------- */
.faq-index {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(28px, 6vw, 56px);
}
.faq-index__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 16px;
}
.faq-index__title {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  font-weight: 700;
  color: var(--mist);
}
.faq-index__back {
  color: var(--cyan);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}
.faq-index__back:hover,
.faq-index__back:focus-visible {
  border-bottom-color: var(--cyan);
}
.faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 2px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--ink);
  border: 3px solid var(--line);
  color: var(--white);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
}
.faq-index__link:hover,
.faq-index__link:focus-visible {
  border-color: var(--lime);
  background: var(--ink-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard);
}
.faq-index__link[aria-current="true"] {
  border-color: var(--lime);
}
.faq-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.faq-index__num {
  font-family: var(--font-num);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--lime);
}
.faq-index__label {
  font-weight: 800;
  font-size: 1rem;
}
.faq-index__hint {
  grid-column: 2;
  color: var(--mist);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* ---------- 区块基础 ---------- */
.faq-section {
  padding-block: clamp(34px, 7vw, 72px);
}
.page-faq .section-title {
  margin: 8px 0 0;
}
.faq-section__lead {
  margin: 14px 0 0;
  color: var(--mist);
  max-width: 34em;
  line-height: 1.75;
}
.faq-note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.75;
  max-width: 40em;
}

/* ---------- 步骤线 ---------- */
.faq-steps {
  position: relative;
  margin-top: 34px;
  padding-left: var(--faq-rail);
}
.faq-steps::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--line);
}
.faq-step {
  position: relative;
  margin-bottom: clamp(32px, 6vw, 60px);
}
.faq-step:last-child {
  margin-bottom: 0;
}
.faq-step::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--faq-rail) + 2px);
  top: 9px;
  width: 14px;
  height: 14px;
  background: var(--lime);
}
.faq-step__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.faq-step__num {
  font-family: var(--font-num);
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  line-height: 1;
  color: var(--lime);
}
.faq-step__title {
  margin: 0;
  font-size: clamp(1.15rem, 4vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.faq-step__body {
  display: grid;
  gap: 20px;
  margin-top: 14px;
}
.faq-step__text p {
  margin: 0 0 12px;
  max-width: 34em;
  font-size: 0.98rem;
  line-height: 1.78;
}
.faq-step__text p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-step__text a,
.page-faq .faq-footlink a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}
.page-faq .faq-step__text a:hover,
.page-faq .faq-footlink a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 界面截图 ---------- */
.faq-shot {
  margin: 0;
  border: 3px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 10;
  object-fit: cover;
}
.faq-shot--wide img {
  aspect-ratio: 9 / 7;
}
.faq-shot figcaption {
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 0.78rem;
  line-height: 1.5;
}

/* ---------- 两栏 ---------- */
.faq-two {
  display: grid;
  gap: 26px;
  margin-top: 20px;
  align-items: start;
}
.faq-two p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 0.98rem;
  line-height: 1.78;
}
.faq-two p:last-child {
  margin-bottom: 0;
}

/* ---------- 区间刻度 ---------- */
.faq-ruler-wrap {
  margin-top: 24px;
  padding: 14px;
  border: 3px solid var(--line);
  background: var(--ink-2);
}
.faq-ruler {
  display: block;
  width: 100%;
  height: auto;
}
.faq-ruler text {
  font-family: var(--font-sans);
}
.faq-legend {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
}
.faq-legend li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  column-gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  line-height: 1.7;
}
.faq-legend li > div {
  color: var(--mist);
}
.faq-legend strong {
  color: var(--white);
  font-weight: 800;
}
.faq-legend__dot {
  width: 14px;
  height: 14px;
  margin-top: 5px;
}
.faq-legend__dot--lime {
  background: var(--lime);
}
.faq-legend__dot--orange {
  background: var(--orange);
}
.faq-legend__dot--red {
  background: var(--red);
}
.faq-legend__dot--cyan {
  background: var(--cyan);
}

/* ---------- 全宽断点 ---------- */
.page-faq .faq-break {
  border-top: 4px solid var(--ink);
  border-bottom: 4px solid var(--ink);
  color: var(--ink);
}
.faq-break__inner {
  display: grid;
  gap: 10px;
  padding-block: 28px;
  align-items: center;
}
.faq-break__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(2.6rem, 11vw, 4.4rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ink);
}
.faq-break__text {
  margin: 0;
  max-width: 30em;
  font-size: clamp(0.95rem, 2.6vw, 1.1rem);
  font-weight: 700;
  line-height: 1.55;
}

/* ---------- 问答分类 ---------- */
.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 26px;
}
.faq-tab {
  display: inline-block;
  padding: 8px 12px;
  border: 2px solid var(--line);
  color: var(--mist);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}
.faq-tab:hover,
.faq-tab:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}
.faq-tab[aria-current="true"] {
  border-color: var(--lime);
  color: var(--lime);
}
.faq-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.faq-group {
  margin-bottom: 30px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.faq-group:last-child {
  margin-bottom: 0;
}
.faq-group__title {
  margin: 0 0 10px;
  padding-left: 10px;
  border-left: 3px solid var(--orange);
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  font-weight: 800;
  color: var(--orange);
}
.faq-group__list {
  display: grid;
}

.faq-item {
  border-top: 1px solid var(--line);
  border-left: 4px solid transparent;
  transition: background var(--ease), border-color var(--ease);
}
.faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 14px 36px 14px 12px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.55;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--lime);
}
.faq-item[open] {
  background: var(--ink-2);
  border-left-color: var(--lime);
}
.faq-item[open] summary::after {
  content: "–";
}
.faq-item summary:hover {
  color: var(--lime);
}
.faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.faq-item__body {
  margin: 0;
  padding: 0 16px 16px 12px;
  max-width: 42em;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- 手势 ---------- */
.faq-gestures {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.faq-gesture {
  padding: 18px 16px 20px;
  border: 3px solid var(--line);
  background: var(--ink-2);
}
.faq-gesture__k {
  display: block;
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.faq-gesture__t {
  display: block;
  margin: 6px 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
}
.faq-gesture p {
  margin: 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- 收尾 ---------- */
.faq-cta {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 4vw, 34px);
  border: 3px solid var(--lime);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}
.faq-cta .section-title {
  margin-top: 0;
}
.faq-cta p {
  margin: 12px 0 0;
  max-width: 34em;
  color: var(--mist);
  line-height: 1.75;
}
.faq-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.faq-footlink {
  margin: 20px 0 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .faq-break__inner {
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 32px;
    align-items: end;
  }
}

@media (min-width: 760px) {
  .faq-hero__mark {
    display: block;
  }
  .faq-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }
  .faq-gestures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 28px;
  }
}

@media (min-width: 880px) {
  .faq-step__body {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
    column-gap: 28px;
  }
  .faq-two {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    column-gap: 34px;
  }
  .faq-group__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

@media (min-width: 1000px) {
  .faq-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
<<<END>>>