.page-faq {
  background: var(--night);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- 首屏：服务台索引 ---------- */
.page-faq .faq-masthead {
  position: relative;
  padding: clamp(22px, 5vw, 40px) 0 clamp(28px, 5vw, 52px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255, 90, 31, 0.16), transparent 62%),
    linear-gradient(168deg, var(--ink-green) 0%, var(--night) 68%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-masthead::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(70px, 16vw, 190px);
  height: clamp(70px, 16vw, 190px);
  background: linear-gradient(135deg, var(--ember-ghost), transparent 72%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-faq .breadcrumbs {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(20px, 4vw, 34px);
}

.page-faq .faq-masthead .eyebrow {
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
}

.page-faq .faq-masthead h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-size: clamp(30px, 6.2vw, 62px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-masthead h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 20px;
  background: var(--ember);
  transform: skewX(-24deg);
}

.page-faq .faq-lead {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--warm);
}

.page-faq .faq-index {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: rgba(21, 58, 42, 0.42);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .faq-index__num {
  color: var(--ember);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(61, 245, 208, 0.1);
  color: var(--cyan);
  outline: none;
}

.page-faq .faq-index__link:focus-visible {
  box-shadow: 0 0 0 3px rgba(61, 245, 208, 0.32);
}

.page-faq .faq-masthead .track-line {
  margin-top: clamp(22px, 4vw, 34px);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  padding: clamp(30px, 6vw, 64px) 0 clamp(36px, 6vw, 72px);
}

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

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-faq .faq-group__head {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 0 0 14px 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 22px;
  background: var(--ember);
  transform: skewY(-14deg);
}

.page-faq .faq-group__num {
  color: var(--ember);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--white);
}

.page-faq .faq-group__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 手风琴 ---------- */
.page-faq .acc-list {
  margin-top: 4px;
}

.page-faq .acc-item {
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 200ms var(--ease);
}

.page-faq .acc-item:hover {
  background: rgba(21, 58, 42, 0.46);
}

.page-faq .acc-trigger {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 42px 16px 8px;
  border: 0;
  background: transparent;
  color: var(--white);
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  transition: color 180ms var(--ease);
}

.page-faq .acc-trigger::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 220ms var(--ease);
}

.page-faq .acc-trigger[aria-expanded="true"]::after {
  content: "–";
  transform: rotate(180deg);
}

.page-faq .acc-trigger:hover,
.page-faq .acc-trigger:focus-visible {
  color: var(--cyan);
  outline: none;
}

.page-faq .acc-trigger:focus-visible {
  box-shadow: inset 0 0 0 2px var(--cyan-line);
}

.page-faq .faq-q__num {
  flex: 0 0 auto;
  min-width: 24px;
  padding-top: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .faq-q__text {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .acc-panel__inner {
  padding: 0 18px 18px 44px;
}

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

.page-faq .acc-panel__inner p + p {
  margin-top: 10px;
}

.page-faq .acc-panel__inner a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

.page-faq .acc-panel__inner a:hover,
.page-faq .acc-panel__inner a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
  outline: none;
}

/* ---------- 侧栏服务卡 ---------- */
.page-faq .faq-aside {
  min-width: 0;
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .desk-card {
  padding: clamp(20px, 4vw, 28px);
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(255, 90, 31, 0.2), transparent 68%),
    linear-gradient(152deg, var(--pitch), var(--ink-green));
  border-top: 2px solid var(--ember);
}

.page-faq .desk-card .eyebrow {
  margin-bottom: 10px;
}

.page-faq .desk-card__title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .desk-card__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm);
}

.page-faq .desk-card__list {
  margin: 0 0 16px;
  padding: 0;
}

.page-faq .desk-card__row {
  display: grid;
  gap: 2px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.page-faq .desk-card__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-faq .desk-card__row dd {
  margin: 0;
}

.page-faq .desk-card__value {
  font-size: 14px;
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .desk-card__value--num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .desk-card__note {
  margin: 0 0 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

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

/* ---------- 底部服务台 ---------- */
.page-faq .faq-desk-band {
  padding: clamp(34px, 6vw, 72px) 0 clamp(38px, 6vw, 76px);
  background:
    linear-gradient(200deg, var(--pitch) 0%, var(--ink-green) 46%, var(--night) 100%);
  border-top: 1px solid var(--line);
}

.page-faq .faq-desk-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-desk-band__figure {
  margin: 0;
}

.page-faq .faq-desk-band__body {
  min-width: 0;
}

.page-faq .faq-desk-band__title {
  margin: 6px 0 12px;
  font-family: var(--font-sans);
  font-size: clamp(26px, 4.4vw, 42px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-desk-band__lead {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--warm);
}

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

.page-faq .faq-desk-band__contact {
  margin-top: 24px;
  padding: 18px 20px;
  background: rgba(8, 13, 10, 0.55);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-desk-band__contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  margin: 0 0 10px;
}

.page-faq .faq-desk-band__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-faq .faq-desk-band__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-desk-band__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

.page-faq .faq-desk-band__note a:hover,
.page-faq .faq-desk-band__note a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
  outline: none;
}

/* ---------- 图片 ---------- */
.page-faq .media-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, var(--pitch), var(--night));
}

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

.page-faq .media-frame--4x3 img {
  aspect-ratio: 4 / 3;
}

.page-faq .media-frame--1x1 img {
  aspect-ratio: 1 / 1;
}

.page-faq .media-frame__label {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  background: rgba(8, 13, 10, 0.82);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-index__link {
    font-size: 13.5px;
    padding: 10px 16px;
  }

  .page-faq .faq-q__text {
    font-size: 16px;
  }

  .page-faq .acc-panel__inner {
    padding-left: 46px;
    padding-right: 40px;
  }

  .page-faq .acc-panel__inner p {
    font-size: 15px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-desk-band__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-faq .faq-desk-band__figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .acc-item,
  .page-faq .acc-trigger,
  .page-faq .acc-trigger::after {
    transition: none;
  }
}
<<<END>>>