.page-faq {
  --faq-side: 258px;
  display: block;
}

.page-faq .faq-top {
  padding-top: clamp(16px, 2.6vw, 26px);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(20px, 3.2vw, 40px);
  padding: clamp(22px, 4vw, 46px) 0 clamp(26px, 4vw, 50px);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
  }
}

.page-faq .faq-hero__kicker,
.page-faq .faq-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.8vw, 50px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: rgba(237, 231, 219, .78);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--stone);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.01em;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 25, 41, 0) 46%, rgba(10, 25, 41, .74) 100%);
}

/* ============ 双栏帮助台 ============ */
.page-faq .faq-desk {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
  align-items: start;
  padding-bottom: clamp(34px, 5vw, 62px);
}

@media (min-width: 1000px) {
  .page-faq .faq-desk {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
  }
}

/* ---- 左栏：分类索引 ---- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(27, 58, 91, .34);
  padding: 16px 14px 14px;
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--stone);
}

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

@media (max-width: 999px) {
  .page-faq .faq-index__list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }
  .page-faq .faq-index__item {
    flex: 0 0 auto;
  }
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  color: rgba(237, 231, 219, .82);
  text-decoration: none;
  transition: background-color .16s ease, color .16s ease, border-color .16s ease;
}

.page-faq .faq-index__link:hover {
  background: rgba(94, 234, 212, .1);
  color: var(--paper);
  border-left-color: var(--cyan);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  opacity: .82;
}

/* ---- 右栏：当季服务清单 ---- */
.page-faq .faq-season {
  margin-bottom: clamp(24px, 3.4vw, 40px);
  padding: clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(27, 58, 91, .78), rgba(16, 42, 67, .94));
  backdrop-filter: blur(6px);
}

.page-faq .faq-season__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-season__desc {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(237, 231, 219, .76);
}

.page-faq .faq-season .filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .faq-season .filter__btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 25, 41, .5);
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(237, 231, 219, .8);
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease;
}

.page-faq .faq-season .filter__btn:hover {
  border-color: var(--line-strong);
  color: var(--paper);
}

.page-faq .faq-season .filter__btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: #2A1206;
  font-weight: 600;
}

.page-faq .faq-season__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-radius: 10px;
  overflow: hidden;
  background: var(--line);
}

.page-faq .faq-season__item {
  display: grid;
  grid-template-columns: 72px 78px minmax(0, 1fr) auto;
  grid-template-areas: "id device desc state";
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: rgba(10, 25, 41, .74);
  font-size: 14px;
  color: rgba(237, 231, 219, .88);
  transition: background-color .16s ease;
}

.page-faq .faq-season__item:hover {
  background: rgba(27, 58, 91, .72);
}

.page-faq .faq-season__id {
  grid-area: id;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-faq .faq-season__device {
  grid-area: device;
  font-size: 12.5px;
  color: var(--stone);
}

.page-faq .faq-season__desc {
  grid-area: desc;
  line-height: 1.65;
}

.page-faq .faq-season__state {
  grid-area: state;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  white-space: nowrap;
}

@media (max-width: 660px) {
  .page-faq .faq-season__item {
    grid-template-columns: 70px minmax(0, 1fr);
    grid-template-areas:
      "id device"
      "desc desc"
      "state state";
    row-gap: 7px;
    padding: 12px 13px;
  }
  .page-faq .faq-season__state {
    justify-self: start;
  }
}

.page-faq .faq-season__empty {
  margin: 14px 0 0;
  padding: 13px 15px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---- 右栏：常见问题 ---- */
.page-faq .faq-qa {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-qa .section-head {
  margin-bottom: 20px;
}

.page-faq .faq-qa .section-head__title {
  color: var(--paper);
}

.page-faq .faq-qa .section-head__desc {
  color: rgba(237, 231, 219, .72);
}

.page-faq .faq-group {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 104px;
}

.page-faq .faq-group:first-of-type {
  padding-top: 0;
  border-top: none;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--stone);
}

.page-faq .faq-item {
  border-bottom: 1px solid rgba(124, 139, 153, .16);
}

.page-faq .faq-item:first-of-type {
  border-top: 1px solid rgba(124, 139, 153, .16);
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 13px 40px 13px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.62;
  color: rgba(237, 231, 219, .9);
  transition: color .16s ease;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  top: 11px;
  right: 4px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: color .16s ease;
}

.page-faq .faq-item__q:hover {
  color: var(--paper);
}

.page-faq .faq-item[open] > .faq-item__q {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "–";
  color: var(--amber);
}

.page-faq .faq-item__body {
  margin: 0 0 15px;
  padding: 15px 17px;
  border-radius: 10px;
  background: var(--paper);
  color: #16324B;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-item__body p {
  margin: 0 0 9px;
}

.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__body ul {
  margin: 0;
  padding-left: 20px;
}

.page-faq .faq-item__body li {
  margin-bottom: 5px;
}

.page-faq .faq-item__body li:last-child {
  margin-bottom: 0;
}

/* ============ 路径与栏目说明 ============ */
.page-faq .faq-route {
  margin-bottom: clamp(24px, 3.6vw, 46px);
  padding: clamp(20px, 3vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(16, 42, 67, .78), rgba(10, 25, 41, .92));
}

.page-faq .faq-route__grid {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
}

@media (min-width: 900px) {
  .page-faq .faq-route__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: center;
  }
}

.page-faq .faq-route__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-route__desc {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(237, 231, 219, .76);
}

.page-faq .faq-route__map {
  display: block;
  width: 100%;
  height: auto;
  max-height: 120px;
  margin: 20px 0 0;
}

.page-faq .faq-route__list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-route__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 15px;
  border-left: 2px solid var(--cyan);
  border-radius: 10px;
  background: rgba(10, 25, 41, .56);
  font-size: 14px;
  line-height: 1.72;
  color: rgba(237, 231, 219, .82);
}

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

.page-faq .faq-route__level {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .faq-route__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

/* ============ 文档反馈 ============ */
.page-faq .faq-giveback {
  display: grid;
  gap: clamp(20px, 2.8vw, 34px);
  margin-bottom: clamp(32px, 5vw, 66px);
  padding: clamp(22px, 3.2vw, 40px);
  border: 1px solid rgba(255, 138, 61, .3);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(255, 138, 61, .15), rgba(27, 58, 91, .52) 52%, rgba(16, 42, 67, .92));
}

@media (min-width: 860px) {
  .page-faq .faq-giveback {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
}

.page-faq .faq-giveback__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-giveback__desc {
  margin: 0 0 20px;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(237, 231, 219, .78);
}

.page-faq .faq-giveback .btn {
  justify-self: start;
}

.page-faq .faq-giveback__steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: gb;
}

.page-faq .faq-giveback__steps li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 15px;
  border-radius: 10px;
  background: rgba(10, 25, 41, .58);
  font-size: 14px;
  line-height: 1.68;
  color: rgba(237, 231, 219, .86);
}

.page-faq .faq-giveback__steps li::before {
  counter-increment: gb;
  content: "0" counter(gb);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--amber);
}

/* ============ 交互反馈 ============ */
.page-faq .faq-index__link:focus-visible,
.page-faq .faq-item__q:focus-visible,
.page-faq .faq-season .filter__btn:focus-visible,
.page-faq .faq-giveback .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-season__item,
  .page-faq .faq-item__q,
  .page-faq .faq-season .filter__btn {
    transition: none;
  }
}
<<<END>>>