/* ===== 使用指南 · 页面专属样式 ===== */

.page-faq {
  --faq-rail: 56px;
  --faq-card-bg: #FBF7EF;
  --faq-body-ink: rgba(27, 36, 48, .78);
  display: block;
  background: var(--yw-paper);
  color: var(--yw-paper-ink);
}

@media (min-width: 900px) {
  .page-faq { --faq-rail: 96px; }
}

/* --- 通用排版 --- */
.page-faq .faq-label { color: var(--yw-gold-dark); }
.page-faq .faq-label--light { color: var(--yw-gold); }

.page-faq .faq-h2 {
  margin: 10px 0 0;
  font-family: var(--yw-head);
  font-weight: 900;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--yw-paper-ink);
}
.page-faq .faq-h2--light { color: var(--yw-light); }

.page-faq .faq-lead {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-body-ink);
}
.page-faq .faq-lead--light { color: var(--yw-slate); }

/* --- 01 框景首屏 --- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--yw-ink);
  background-image:
    linear-gradient(to right, var(--yw-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--yw-grid-line) 1px, transparent 1px);
  background-size: 88px 88px;
  border-bottom: 1px solid var(--yw-gold);
}

.page-faq .faq-hero__inner { padding-block: 26px 52px; }

.page-faq .faq-hero .yw-crumbs__link,
.page-faq .faq-hero .yw-crumbs__sep { color: var(--yw-slate); }
.page-faq .faq-hero .yw-crumbs__here { color: var(--yw-light); }

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 28px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
    align-items: start;
    margin-top: 40px;
  }
}

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

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--yw-head);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--yw-light);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--yw-slate);
}

/* --- 首屏关键词索引窗口 --- */
.page-faq .faq-finder {
  padding: 18px;
  border: 1px solid var(--yw-rule);
  border-radius: var(--yw-radius);
  background: var(--yw-ink-deep);
  box-shadow: var(--yw-stack-deep);
}

.page-faq .faq-finder__label {
  margin: 0 0 12px;
  font-family: var(--yw-serif);
  font-weight: 600;
  font-size: 15px;
  color: var(--yw-gold);
}

.page-faq .faq-finder__input {
  box-sizing: border-box;
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--yw-rule);
  border-radius: 6px;
  background: rgba(5, 10, 18, .72);
  color: var(--yw-light);
  font-family: var(--yw-mono);
  font-size: 14px;
  letter-spacing: .02em;
  transition: border-color .18s var(--yw-ease);
}
.page-faq .faq-finder__input::placeholder { color: rgba(126, 147, 166, .85); }
.page-faq .faq-finder__input:hover { border-color: var(--yw-gold-dark); }
.page-faq .faq-finder__input:focus-visible {
  outline: 2px solid var(--yw-cyan);
  outline-offset: 2px;
}

.page-faq .faq-finder__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-faq .faq-finder__item {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
}

.page-faq .faq-finder__num {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--yw-gold);
}

.page-faq .faq-finder__link {
  color: var(--yw-slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--yw-ease), border-color .18s var(--yw-ease);
}
.page-faq .faq-finder__link:hover {
  color: var(--yw-light);
  border-bottom-color: var(--yw-gold);
}

.page-faq .faq-finder__empty {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yw-slate);
}
.page-faq .faq-finder__empty[hidden] { display: none; }

/* --- 02 三条路径卡 --- */
.page-faq .faq-paths {
  padding-block: 50px 58px;
  background: var(--yw-paper);
  border-bottom: 1px solid var(--yw-paper-2);
}

.page-faq .faq-paths__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

@media (min-width: 780px) {
  .page-faq .faq-paths__list {
    grid-template-columns: 1.08fr 1fr .94fr;
    gap: 18px;
  }
}

.page-faq .faq-path {
  border: 1px solid var(--yw-paper-2);
  border-radius: var(--yw-radius);
  background: var(--faq-card-bg);
  box-shadow: 4px 4px 0 rgba(226, 216, 200, .85);
  transition: border-color .16s var(--yw-ease), box-shadow .16s var(--yw-ease);
}
.page-faq .faq-path:hover {
  border-color: var(--yw-gold);
  box-shadow: 2px 2px 0 rgba(217, 163, 74, .28);
}

.page-faq .faq-path__link {
  display: block;
  padding: 20px 20px 22px;
  text-decoration: none;
  color: inherit;
}
.page-faq .faq-path__link:focus-visible {
  outline: 2px solid var(--yw-cyan);
  outline-offset: 3px;
  border-radius: var(--yw-radius);
}

.page-faq .faq-path__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yw-gold-dark);
}

.page-faq .faq-path__title {
  margin: 10px 0 0;
  font-family: var(--yw-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.35;
  color: var(--yw-paper-ink);
}

.page-faq .faq-path__when {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--faq-body-ink);
}

.page-faq .faq-path__steps {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--yw-gold-dark);
}

.page-faq .faq-path__go {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--yw-flame);
  border-bottom: 1px solid transparent;
  transition: border-color .16s var(--yw-ease);
}
.page-faq .faq-path:hover .faq-path__go { border-bottom-color: var(--yw-flame); }

/* --- 03 第二栏阅读顺序 --- */
.page-faq .faq-columns {
  padding-block: 50px 58px;
  background: var(--yw-paper);
}

.page-faq .faq-columns__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

@media (min-width: 900px) {
  .page-faq .faq-columns__grid {
    grid-template-columns: 1fr .72fr;
    gap: 44px;
    align-items: start;
  }
}

.page-faq .faq-order {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqorder;
}

.page-faq .faq-order__item {
  position: relative;
  padding: 15px 0 15px 42px;
  border-top: 1px solid var(--yw-paper-2);
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body-ink);
}
.page-faq .faq-order__item:last-child { border-bottom: 1px solid var(--yw-paper-2); }

.page-faq .faq-order__item::before {
  counter-increment: faqorder;
  content: counter(faqorder, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--yw-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--yw-gold-dark);
}

.page-faq .faq-order__item b {
  font-weight: 700;
  color: var(--yw-paper-ink);
}

.page-faq .faq-colfigure {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 22px 16px;
  border: 1px solid var(--yw-paper-2);
  border-radius: var(--yw-radius);
  background: var(--faq-card-bg);
  box-shadow: 4px 4px 0 rgba(226, 216, 200, .7);
}

.page-faq .faq-colfigure__col {
  display: grid;
  gap: 8px;
  padding: 14px 10px;
  border: 1px dashed var(--yw-paper-2);
  border-radius: 6px;
  background: rgba(255, 255, 255, .6);
}

.page-faq .faq-colfigure__col--focus {
  border: 1px solid var(--yw-gold);
  background: rgba(217, 163, 74, .1);
  box-shadow: 3px 3px 0 rgba(217, 163, 74, .28);
}

.page-faq .faq-colfigure__tag {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--yw-gold-dark);
}

.page-faq .faq-colfigure__bar {
  display: block;
  height: 7px;
  border-radius: 2px;
  background: var(--yw-paper-2);
}
.page-faq .faq-colfigure__bar--short { width: 62%; }
.page-faq .faq-colfigure__col--focus .faq-colfigure__bar { background: rgba(217, 163, 74, .45); }

/* --- 04 换 iOS 设备重新登录 --- */
.page-faq .faq-ios {
  padding-block: 52px 62px;
  scroll-margin-top: 88px;
  background-color: var(--yw-ink);
  background-image:
    linear-gradient(to right, var(--yw-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--yw-grid-line) 1px, transparent 1px);
  background-size: 88px 88px;
  border-top: 1px solid var(--yw-rule);
  border-bottom: 1px solid var(--yw-rule);
}

.page-faq .faq-ios__figure {
  margin: 28px 0 0;
  border: 1px solid var(--yw-rule);
  border-radius: var(--yw-radius);
  overflow: hidden;
  background: var(--yw-ink-deep);
}
.page-faq .faq-ios__figure img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-steps {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: var(--faq-rail) 1fr;
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--yw-rule);
}
.page-faq .faq-step:last-child { border-bottom: 1px solid var(--yw-rule); }

@media (min-width: 900px) {
  .page-faq .faq-step { gap: 32px; padding: 28px 0; }
}

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

.page-faq .faq-step__num {
  display: block;
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--yw-gold);
}

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

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--yw-head);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--yw-light);
}

.page-faq .faq-step__text {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yw-slate);
}

.page-faq .faq-sync {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}

@media (min-width: 760px) {
  .page-faq .faq-sync { grid-template-columns: 1fr 1fr; gap: 20px; }
}

.page-faq .faq-sync__card {
  padding: 18px 20px;
  border: 1px solid var(--yw-rule);
  border-left: 3px solid var(--yw-cyan);
  border-radius: var(--yw-radius);
  background: rgba(5, 10, 18, .55);
  transition: border-color .18s var(--yw-ease);
}
.page-faq .faq-sync__card:hover { border-color: var(--yw-gold); }

.page-faq .faq-sync__title {
  margin: 0;
  font-family: var(--yw-serif);
  font-weight: 600;
  font-size: 15px;
  color: var(--yw-cyan);
}

.page-faq .faq-sync__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-sync__item {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yw-slate);
}
.page-faq .faq-sync__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yw-gold-dark);
}

/* --- 05 旧版本定位 --- */
.page-faq .faq-version {
  padding-block: 50px 58px;
  scroll-margin-top: 88px;
  background: var(--yw-paper);
}

.page-faq .faq-routes {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

@media (min-width: 760px) {
  .page-faq .faq-routes { grid-template-columns: 1fr 1fr; gap: 20px; }
}

.page-faq .faq-route {
  padding: 18px 20px;
  border: 1px solid var(--yw-paper-2);
  border-left: 3px solid var(--yw-gold);
  border-radius: 0 var(--yw-radius) var(--yw-radius) 0;
  background: var(--faq-card-bg);
  transition: border-color .16s var(--yw-ease), background-color .16s var(--yw-ease);
}
.page-faq .faq-route:hover { background: rgba(217, 163, 74, .08); }

.page-faq .faq-route__title {
  margin: 0;
  font-family: var(--yw-head);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
  color: var(--yw-paper-ink);
}

.page-faq .faq-route__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-body-ink);
}

.page-faq .faq-match {
  display: grid;
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--yw-paper-2);
}

.page-faq .faq-match__row {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--yw-paper-2);
  font-size: 14.5px;
  line-height: 1.75;
}

@media (min-width: 700px) {
  .page-faq .faq-match__row {
    grid-template-columns: 180px 1fr;
    align-items: baseline;
    gap: 20px;
  }
}

.page-faq .faq-match__key {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yw-gold-dark);
}

.page-faq .faq-match__val { color: var(--faq-body-ink); }

.page-faq .faq-version__figure {
  margin: 30px 0 0;
  border: 1px solid var(--yw-paper-2);
  border-radius: var(--yw-radius);
  overflow: hidden;
  background: var(--faq-card-bg);
  box-shadow: 4px 4px 0 rgba(226, 216, 200, .8);
}
.page-faq .faq-version__figure img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-timeline {
  margin: 32px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--yw-paper-2);
}

.page-faq .faq-timeline__item {
  position: relative;
  padding-bottom: 26px;
}
.page-faq .faq-timeline__item:last-child { padding-bottom: 0; }

.page-faq .faq-timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--yw-paper);
  border: 2px solid var(--yw-gold);
  transition: background-color .16s var(--yw-ease), border-color .16s var(--yw-ease);
}
.page-faq .faq-timeline__item:hover::before {
  background: var(--yw-cyan);
  border-color: var(--yw-cyan);
}

.page-faq .faq-timeline__when {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--yw-gold-dark);
}

.page-faq .faq-timeline__what {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body-ink);
}

.page-faq .faq-timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

/* --- 06 问题反馈 --- */
.page-faq .faq-feedback {
  padding-block: 46px 50px;
  scroll-margin-top: 88px;
  background-color: var(--yw-ink-deep);
  border-top: 1px solid var(--yw-flame);
}

.page-faq .faq-feedback__panel {
  margin-top: 24px;
  padding: 22px 20px;
  border: 1px solid var(--yw-flame);
  border-radius: var(--yw-radius);
  background: rgba(11, 20, 36, .72);
  box-shadow: 5px 5px 0 rgba(255, 90, 54, .16);
}

.page-faq .faq-feedback__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--yw-light);
}

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

.page-faq .faq-feedback__needs li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--yw-light);
}
.page-faq .faq-feedback__needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--yw-flame);
}

.page-faq .faq-feedback__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--yw-slate);
}

.page-faq .faq-feedback__cta { margin: 20px 0 0; }
.page-faq .faq-feedback__cta .yw-btn {
  display: inline-block;
  text-decoration: none;
}

/* --- 07 常见问题折叠 --- */
.page-faq .faq-qa {
  padding-block: 46px 70px;
  background: var(--yw-paper);
}

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

.page-faq .faq-qa__list {
  margin: 26px 0 0;
}

.page-faq .faq-qa__item {
  border-top: 1px solid var(--yw-paper-2);
}
.page-faq .faq-qa__item:last-child { border-bottom: 1px solid var(--yw-paper-2); }

.page-faq .faq-qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--yw-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--yw-paper-ink);
  transition: color .16s var(--yw-ease);
}
.page-faq .faq-qa__q::-webkit-details-marker { display: none; }
.page-faq .faq-qa__q:hover { color: var(--yw-gold-dark); }
.page-faq .faq-qa__q:focus-visible {
  outline: 2px solid var(--yw-cyan);
  outline-offset: 2px;
}

.page-faq .faq-qa__tag {
  flex: 0 0 auto;
  margin-top: 3px;
  padding: 2px 7px;
  border: 1px solid var(--yw-paper-2);
  border-radius: 4px;
  background: rgba(255, 255, 255, .65);
  font-family: var(--yw-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--yw-gold-dark);
  transition: border-color .16s var(--yw-ease), background-color .16s var(--yw-ease);
}
.page-faq .faq-qa__item[open] .faq-qa__tag {
  border-color: var(--yw-cyan);
  background: rgba(79, 227, 208, .2);
  color: var(--yw-paper-ink);
}

.page-faq .faq-qa__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-qa__sign {
  flex: 0 0 auto;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  margin-left: 4px;
}
.page-faq .faq-qa__sign::before,
.page-faq .faq-qa__sign::after {
  content: "";
  position: absolute;
  background: var(--yw-gold);
  transition: transform .18s var(--yw-ease), background-color .18s var(--yw-ease);
}
.page-faq .faq-qa__sign::before { left: 0; top: 6px; width: 14px; height: 1.5px; }
.page-faq .faq-qa__sign::after { left: 6px; top: 0; width: 1.5px; height: 14px; }
.page-faq .faq-qa__item[open] .faq-qa__sign::after { transform: scaleY(0); }
.page-faq .faq-qa__item[open] .faq-qa__sign::before { background: var(--yw-cyan); }

.page-faq .faq-qa__a {
  padding: 0 0 18px;
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--faq-body-ink);
}
.page-faq .faq-qa__a p { margin: 0; }

@media (min-width: 900px) {
  .page-faq .faq-qa__q { padding: 17px 0; font-size: 16px; }
  .page-faq .faq-qa__a { padding-left: 0; }
}
<<<END>>>