.page-faq {
  --faq-rail: 208px;
  --faq-side: 268px;
  --faq-cut: 12px;
  --faq-line: rgba(6, 42, 36, 0.14);
  color: var(--night);
  background: #fff;
  overflow-x: hidden;
}

.page-faq .section {
  padding-inline: clamp(16px, 3.4vw, 40px);
  max-width: var(--frame-w);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(30, 157, 242, 0.22) 0%, rgba(30, 157, 242, 0) 55%),
    radial-gradient(90% 80% at 4% 100%, rgba(214, 169, 59, 0.24) 0%, rgba(214, 169, 59, 0) 58%),
    linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 62%, #10453a 100%);
  color: var(--sand);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--frame-w);
  margin-inline: auto;
  padding: clamp(24px, 5vw, 44px) clamp(16px, 3.4vw, 40px) clamp(34px, 6vw, 64px);
}

.page-faq .faq-hero__slant {
  position: absolute;
  inset-inline: -10% ;
  bottom: -1px;
  height: 56px;
  background: linear-gradient(90deg, rgba(214, 169, 59, 0.65), rgba(30, 157, 242, 0.5) 52%, rgba(255, 107, 74, 0.55));
  clip-path: polygon(0 78%, 100% 0, 100% 100%, 0 100%);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(244, 232, 207, 0.72);
}

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

.page-faq .breadcrumb__link {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(214, 169, 59, 0.45);
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--gold);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: #fff;
  transform: skewX(-2deg);
  max-width: 20em;
}

.page-faq .faq-hero__lede {
  margin: 0 0 clamp(24px, 4vw, 40px);
  max-width: 38em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(244, 232, 207, 0.9);
}

.page-faq .faq-hero__metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  max-width: 720px;
}

.page-faq .metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(244, 232, 207, 0.07);
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm, 8px)), calc(100% - var(--cut-sm, 8px)) 100%, 0 100%);
}

.page-faq .metric__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .metric__label {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(244, 232, 207, 0.82);
}

/* ---------- 章节头 ---------- */
.page-faq .section__head {
  margin-bottom: clamp(20px, 3vw, 32px);
  max-width: 46em;
}

.page-faq .section__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-ink);
  text-transform: uppercase;
}

.page-faq .section__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 3vw, 31px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
  transform: skewX(-1.5deg);
}

.page-faq .section__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(14, 15, 18, 0.72);
}

.page-faq .lede {
  margin: 0 0 18px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: rgba(14, 15, 18, 0.78);
  max-width: 34em;
}

/* ---------- 三栏索引 ---------- */
.page-faq .section--tight {
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .faq-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-faq .faq-rail {
  background: var(--mint);
  border-left: 3px solid var(--ink);
  padding: 16px 16px 14px;
}

.page-faq .faq-rail__legend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink);
  text-transform: uppercase;
}

.page-faq .faq-rail__swatch {
  width: 14px;
  height: 8px;
  background: linear-gradient(90deg, var(--gold) 50%, var(--blue) 50%);
  display: inline-block;
}

.page-faq .faq-rail__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: static;
}

.page-faq .faq-rail__filters .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--faq-line);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-rail__filters .filter-btn:hover,
.page-faq .faq-rail__filters .filter-btn:focus-visible {
  border-color: var(--gold);
  color: var(--gold-ink);
}

.page-faq .faq-rail__filters .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--sand);
}

.page-faq .faq-rail__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--blue);
}

.page-faq .faq-rail__filters .filter-btn[aria-pressed="true"] .faq-rail__code {
  color: var(--gold);
}

.page-faq .faq-rail__status {
  margin: 12px 0 0;
  font-size: 12px;
  color: rgba(6, 42, 36, 0.62);
  min-height: 1em;
}

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

/* 手风琴 */
.page-faq .accordion {
  display: grid;
  gap: 8px;
}

.page-faq .accordion__item {
  background: #fff;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--moss);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), var(--faq-cut) 100%, 0 100%);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .accordion__item[open] {
  border-left-color: var(--gold);
  background: linear-gradient(180deg, rgba(221, 243, 234, 0.55) 0%, #fff 46%);
}

.page-faq .accordion__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 600;
  color: var(--ink);
}

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

.page-faq .accordion__summary:hover {
  color: var(--gold-ink);
}

.page-faq .faq-q__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--blue);
  padding-top: 2px;
}

.page-faq .accordion__item[open] .faq-q__num {
  color: var(--coral);
}

.page-faq .accordion__body {
  padding: 0 16px 16px;
}

.page-faq .accordion__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(14, 15, 18, 0.78);
  max-width: 36em;
}

.page-faq .is-hidden {
  display: none !important;
}

/* 坐标卡 */
.page-faq .faq-coords {
  background: var(--ink);
  color: var(--sand);
  padding: 18px 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-coords__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-coords__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-coords__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  color: var(--sand);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.5;
  border-bottom: 1px dashed rgba(244, 232, 207, 0.2);
  transition: background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-coords__link:hover,
.page-faq .faq-coords__link:focus-visible {
  background: rgba(214, 169, 59, 0.14);
  color: #fff;
}

.page-faq .faq-coords__code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--blue);
}

.page-faq .faq-coords__link:hover .faq-coords__code {
  color: var(--gold);
}

.page-faq .faq-coords__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(244, 232, 207, 0.68);
}

/* ---------- 新手路线 ---------- */
.page-faq .section--mint {
  background: var(--mint);
  max-width: none;
  padding-block: clamp(36px, 5vw, 64px);
}

.page-faq .section--mint > .faq-split {
  max-width: var(--frame-w);
  margin-inline: auto;
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

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

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-steps__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 16px 16px 14px;
  background: #fff;
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm, 8px)), calc(100% - var(--cut-sm, 8px)) 100%, 0 100%);
}

.page-faq .faq-steps__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-ink);
}

.page-faq .faq-steps__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(14, 15, 18, 0.76);
}

.page-faq .faq-split__media {
  margin: 0;
  border: 1px solid rgba(6, 42, 36, 0.12);
}

/* ---------- 媒体 ---------- */
.page-faq .media {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-faq .media--wide .media__img {
  aspect-ratio: 3 / 2;
}

.page-faq .media--tall .media__img {
  aspect-ratio: 3 / 4;
}

.page-faq .media__caption {
  display: block;
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sand);
  background: var(--ink);
}

/* ---------- 家庭版面四块 ---------- */
.page-faq .faq-tiles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-tile {
  background: #fff;
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--ink);
  padding: 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), var(--faq-cut) 100%, 0 100%);
}

.page-faq .panel__meta {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--blue);
}

.page-faq .panel__title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .panel__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(14, 15, 18, 0.76);
}

.page-faq .faq-tile:nth-child(2) {
  border-top-color: var(--gold);
}

.page-faq .faq-tile:nth-child(3) {
  border-top-color: var(--coral);
}

.page-faq .faq-tile:nth-child(4) {
  border-top-color: var(--blue);
}

/* ---------- 安卓榜单 ---------- */
.page-faq .faq-android {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-android__media {
  margin: 0;
  border: 1px solid rgba(6, 42, 36, 0.12);
}

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

.page-faq .faq-android__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 20px;
}

.page-faq .faq-android__metrics .metric {
  background: var(--ink);
  border-left: 2px solid var(--blue);
  padding: 12px 10px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm, 8px)), calc(100% - var(--cut-sm, 8px)) 100%, 0 100%);
}

.page-faq .faq-android__metrics .metric__value {
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--gold);
}

.page-faq .faq-android__metrics .metric__label {
  font-size: 11.5px;
  color: rgba(244, 232, 207, 0.8);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(14, 15, 18, 0.78);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .faq-checklist strong {
  color: var(--ink);
}

.page-faq .faq-android__note {
  margin: 0 0 20px;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink);
  background: rgba(214, 169, 59, 0.14);
  border-left: 3px solid var(--gold);
}

/* ---------- 时间轴 ---------- */
.page-faq .faq-archive {
  background: var(--moss);
  padding-block: clamp(34px, 5vw, 60px);
  padding-inline: clamp(16px, 3.4vw, 40px);
}

.page-faq .faq-archive__inner {
  max-width: var(--frame-w);
  margin-inline: auto;
}

.page-faq .timeline {
  display: grid;
  gap: 8px;
  border-left: 2px dashed rgba(6, 42, 36, 0.35);
  padding-left: 18px;
}

.page-faq .timeline__item {
  position: relative;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(6, 42, 36, 0.16);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), var(--faq-cut) 100%, 0 100%);
}

.page-faq .timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 18px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border: 2px solid var(--ink);
  transform: rotate(45deg);
}

.page-faq .faq-tl .accordion__summary {
  gap: 10px;
  flex-wrap: wrap;
  padding: 13px 14px;
}

.page-faq .timeline__year {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-faq .faq-tl__hint {
  margin-left: auto;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--sand);
  padding: 2px 8px;
  border: 1px solid rgba(6, 42, 36, 0.18);
}

.page-faq .timeline__text {
  padding: 0 14px 14px;
}

.page-faq .timeline__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(14, 15, 18, 0.78);
  max-width: 46em;
}

/* ---------- 反馈 ---------- */
.page-faq .faq-feedback {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

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

.page-faq .faq-feedback__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-fb-card {
  background: var(--sand);
  border: 1px solid rgba(6, 42, 36, 0.12);
  padding: 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), var(--faq-cut) 100%, 0 100%);
}

.page-faq .faq-contact {
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--sand);
  padding: 20px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .contact-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .contact-list__item {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(244, 232, 207, 0.22);
}

.page-faq .contact-list__key {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(244, 232, 207, 0.62);
}

.page-faq .contact-list__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: #fff;
  word-break: break-all;
}

.page-faq .faq-contact__note {
  margin: 0 0 16px;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(244, 232, 207, 0.74);
}

.page-faq .faq-contact__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq .faq-contact__btns .btn--ghost {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-contact__btns .btn--outline {
  color: var(--sand);
  border-color: rgba(244, 232, 207, 0.45);
  background: transparent;
}

.page-faq .faq-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0;
  font-size: 12.5px;
}

.page-faq .faq-contact__links a {
  color: rgba(244, 232, 207, 0.85);
  text-decoration: none;
  border-bottom: 1px solid rgba(214, 169, 59, 0.5);
}

.page-faq .faq-contact__links a:hover,
.page-faq .faq-contact__links a:focus-visible {
  color: var(--gold);
}

.page-faq .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-hero__metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-faq .faq-feedback__grid .faq-fb-card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-index {
    grid-template-columns: minmax(0, 1fr) var(--faq-side);
    align-items: start;
  }

  .page-faq .faq-rail {
    grid-column: 1 / -1;
  }

  .page-faq .faq-rail__filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .page-faq .faq-rail__filters .filter-btn {
    white-space: nowrap;
  }

  .page-faq .faq-coords {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-faq .faq-android {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  }

  .page-faq .faq-feedback {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

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

  .page-faq .faq-feedback__grid .faq-fb-card:first-child {
    grid-column: auto;
  }

  .page-faq .faq-feedback__grid .faq-fb-card:last-child {
    grid-column: 1 / -1;
  }

  .page-faq .faq-contact {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-index {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr) var(--faq-side);
    gap: 24px;
  }

  .page-faq .faq-rail {
    grid-column: auto;
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-rail__filters {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-faq .faq-rail__filters .filter-btn {
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .faq-tiles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-android {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__filters .filter-btn,
  .page-faq .faq-coords__link,
  .page-faq .accordion__item {
    transition: none;
  }
}
<<<END>>>