.page-faq {
  --faq-gap: clamp(18px, 3vw, 30px);
  --faq-line: rgba(20, 42, 58, 0.12);
  --faq-copper-line: rgba(183, 121, 60, 0.34);
  padding-bottom: clamp(40px, 7vw, 90px);
}

.page-faq .faq-crumbs {
  padding-top: clamp(14px, 2.5vw, 26px);
}

.page-faq .faq-crumbs .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--graphite);
}

.page-faq .faq-crumbs .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--copper);
}

.page-faq .faq-crumbs .crumbs a {
  color: var(--apple-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-crumbs .crumbs a:hover,
.page-faq .faq-crumbs .crumbs a:focus-visible {
  border-bottom-color: var(--copper);
  color: var(--apple);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
  margin-top: clamp(14px, 2.5vw, 24px);
  padding: clamp(22px, 4vw, 48px);
  border: 1px solid var(--faq-copper-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(233, 201, 156, 0.5), transparent 60%),
    linear-gradient(155deg, var(--paper) 0%, var(--apple-mist) 100%);
  box-shadow: 0 16px 0 -8px rgba(221, 238, 231, 0.9);
}

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

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 5.2vw, 52px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-hero__meta {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--apple-deep);
  letter-spacing: 0.02em;
}

/* 图片容器 */
.page-faq .faq-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-copper-line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(233, 201, 156, 0.45), rgba(221, 238, 231, 0.8));
  aspect-ratio: 3 / 2;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-cap {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: rgba(20, 42, 58, 0.78);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* 通用章节 */
.page-faq .faq-sec {
  margin-top: clamp(40px, 6.5vw, 84px);
}

.page-faq .faq-sechead {
  max-width: 62em;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-sechead h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-sechead p {
  margin: 12px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--graphite);
}

/* 三步卡片 */
.page-faq .faq-steps__grid {
  display: grid;
  gap: 16px;
}

.page-faq .step {
  border: 1px solid var(--faq-copper-line);
  border-radius: var(--r-lg);
  background: var(--paper);
  box-shadow: 0 12px 0 -6px var(--apple-mist);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .step:nth-child(2) {
  background: linear-gradient(170deg, var(--paper), var(--apple-mist));
}

.page-faq .step:nth-child(3) {
  background: linear-gradient(170deg, var(--paper), rgba(233, 201, 156, 0.42));
}

.page-faq .step[open],
.page-faq .step:hover {
  border-color: var(--copper);
  box-shadow: 0 14px 0 -6px rgba(183, 121, 60, 0.22);
}

.page-faq .step__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding: clamp(16px, 2.4vw, 24px);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .step__num {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 48px);
  line-height: 0.9;
  font-weight: 700;
  color: var(--copper);
  font-variant-numeric: tabular-nums;
}

.page-faq .step__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .step__one {
  grid-column: 1 / -1;
  font-size: 15px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-faq .step__body {
  padding: 0 clamp(16px, 2.4vw, 24px) clamp(18px, 2.4vw, 24px);
}

.page-faq .step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .step__body a {
  color: var(--apple-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
}

.page-faq .step__body a:hover,
.page-faq .step__body a:focus-visible {
  color: var(--apple);
  border-bottom-color: var(--apple);
}

/* 设备适配 */
.page-faq .faq-devices__wrap {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .dev {
  position: relative;
  min-width: 0;
}

.page-faq .dev__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .dev__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-faq .dev__tab {
  padding: 10px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-pill);
  background: var(--paper);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--graphite);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .dev__tab:hover {
  border-color: var(--copper);
  color: var(--apple-deep);
}

.page-faq .dev__panel {
  display: none;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--faq-copper-line);
  border-radius: var(--r-lg);
  background: var(--paper);
}

.page-faq .dev__panel h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--ink);
}

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

.page-faq .dev__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .dev__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper);
}

.page-faq #faq-dev-phone:checked ~ .dev__tabs .dev__tab[for="faq-dev-phone"],
.page-faq #faq-dev-pad:checked ~ .dev__tabs .dev__tab[for="faq-dev-pad"],
.page-faq #faq-dev-win:checked ~ .dev__tabs .dev__tab[for="faq-dev-win"] {
  background: var(--apple);
  border-color: var(--copper);
  color: var(--paper);
}

.page-faq #faq-dev-phone:checked ~ .dev__panel--phone,
.page-faq #faq-dev-pad:checked ~ .dev__panel--pad,
.page-faq #faq-dev-win:checked ~ .dev__panel--win {
  display: block;
}

.page-faq .faq-devices__media {
  aspect-ratio: 10 / 7;
}

/* 五类索引 */
.page-faq .faq-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .faq-wall a {
  display: grid;
  gap: 4px;
  padding: 16px 14px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: var(--paper);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-wall a:hover,
.page-faq .faq-wall a:focus-visible {
  background: var(--apple-mist);
  border-color: var(--copper);
}

.page-faq .faq-wall__idx {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--copper);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-wall__name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-wall__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
}

.page-faq .faq-groups {
  margin-top: clamp(22px, 3.4vw, 36px);
  display: grid;
  gap: 16px;
}

.page-faq .topic {
  scroll-margin-top: 90px;
  padding: clamp(18px, 2.8vw, 28px);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  background: var(--paper);
}

.page-faq .topic h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--ink);
}

.page-faq .topic .num {
  font-size: 13px;
  letter-spacing: 0.1em;
}

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

.page-faq .qa summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.2s ease;
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: none;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1;
  color: var(--copper);
}

.page-faq .qa[open] summary::after {
  content: "−";
}

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--apple-deep);
}

.page-faq .qa[open] summary {
  color: var(--apple-deep);
}

.page-faq .qa__a {
  padding: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .qa__a a {
  color: var(--apple-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--apple);
  border-bottom-color: var(--apple);
}

/* 自查路径 */
.page-faq .faq-trouble__wrap {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .checks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .check {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .check:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 32px;
  bottom: -16px;
  width: 2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--copper-light) 0 6px,
    transparent 6px 12px
  );
}

.page-faq .check__box {
  appearance: none;
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  margin: 0;
  border: 2px solid var(--copper);
  border-radius: 9px;
  background: var(--paper);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-faq .check__box:checked {
  background: var(--apple);
  border-color: var(--apple-deep);
}

.page-faq .check__box:checked::after {
  content: "✓";
  font-size: 14px;
  line-height: 1;
  color: var(--paper);
}

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

.page-faq .check__label {
  padding-top: 1px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  cursor: pointer;
}

.page-faq .check__label strong {
  color: var(--ink);
  font-weight: 700;
}

.page-faq .check__box:checked + .check__label {
  color: var(--graphite);
  opacity: 0.72;
}

.page-faq .faq-trouble__note {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--faq-copper-line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, var(--apple-mist), var(--paper));
}

.page-faq .faq-trouble__note h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-trouble__note p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-trouble__note .btn {
  margin-top: 4px;
}

/* 人工客服 */
.page-faq .faq-support {
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--r-lg);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(31, 122, 99, 0.55), transparent 62%),
    var(--ink);
  color: var(--paper);
}

.page-faq .faq-support h2 {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-support__head p:last-child {
  margin: 12px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 253, 248, 0.82);
}

.page-faq .faq-support__lines {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-copy {
  padding: 12px 22px;
  border: 1px solid rgba(233, 201, 156, 0.55);
  border-radius: var(--r-pill);
  background: rgba(255, 253, 248, 0.07);
  font-family: var(--serif);
  font-size: clamp(17px, 2.6vw, 24px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: rgba(233, 201, 156, 0.2);
  border-color: var(--copper-light);
}

.page-faq .faq-copy--mail {
  font-size: clamp(14px, 2vw, 19px);
  word-break: break-all;
}

.page-faq .faq-support__foot {
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: clamp(18px, 2.6vw, 24px);
  border-top: 1px solid rgba(233, 201, 156, 0.3);
}

.page-faq .faq-support__foot p {
  margin: 0 0 16px;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 253, 248, 0.78);
}

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

@media (min-width: 860px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

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

  .page-faq .faq-devices__wrap {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-faq .faq-trouble__wrap {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-faq .faq-wall {
    grid-template-columns: 1.15fr 1fr 0.92fr 1.08fr 0.95fr;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .dev__tab,
  .page-faq .faq-wall a,
  .page-faq .qa summary,
  .page-faq .faq-copy,
  .page-faq .check__box {
    transition: none;
  }
}
<<<END>>>