.page-faq{
  --faq-line: rgba(30, 26, 23, 0.14);
  --faq-line-soft: rgba(30, 26, 23, 0.08);
  --faq-tint: rgba(90, 58, 42, 0.035);
  --faq-cut: 16px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .container{
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-faq a{
  color: var(--tianshan);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .mono{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq .eyebrow{
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--walnut);
  margin: 0 0 10px;
}
.page-faq .eyebrow--light{ color: var(--gold-soft); }

/* 面包屑 */
.page-faq .crumbs{ padding-top: 16px; }
.page-faq .crumbs ol{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.page-faq .crumbs ol li + li::before{
  content: "/";
  margin-right: 6px;
  color: var(--line);
}
.page-faq .crumbs ol li span[aria-current="page"]{ color: var(--walnut); font-weight: 700; }

/* 首屏 */
.page-faq .faq-hero{
  position: relative;
  margin-top: 12px;
  padding: clamp(28px, 5vw, 60px) 0 clamp(30px, 5vw, 62px);
  background: linear-gradient(118deg, var(--walnut-deep) 0%, var(--walnut) 62%, var(--walnut-ink) 100%);
  color: var(--paper);
  overflow: hidden;
}
.page-faq .faq-hero::before{
  content: "";
  position: absolute;
  top: -34%;
  right: -14%;
  width: min(58vw, 560px);
  aspect-ratio: 1;
  background: repeating-linear-gradient(135deg, rgba(214, 167, 86, 0.28) 0 2px, transparent 2px 16px);
  transform: rotate(9deg);
  pointer-events: none;
}
.page-faq .faq-hero::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 5px;
  background: linear-gradient(90deg, var(--gold), var(--amber));
}
.page-faq .faq-hero-inner{ position: relative; z-index: 1; }
.page-faq .faq-hero h1{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.6vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--paper);
  max-width: 15em;
}
.page-faq .lede{
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.8;
  color: rgba(247, 243, 236, 0.82);
}
.page-faq .faq-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.page-faq .faq-chip{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border: 1px solid rgba(247, 243, 236, 0.26);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(247, 243, 236, 0.86);
}
.page-faq .faq-chip .mono{ color: var(--gold-soft); font-weight: 700; }
.page-faq .faq-chip--live{ border-color: rgba(217, 130, 43, 0.6); color: var(--gold-soft); }
.page-faq .dot{
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--snow);
}
.page-faq .dot--amber{ background: var(--amber); animation: faq-pulse 1.6s ease-in-out infinite; }
.page-faq .dot--pine{ background: var(--pine); }
@keyframes faq-pulse{
  0%, 100%{ box-shadow: 0 0 0 0 rgba(217, 130, 43, 0.55); }
  50%{ box-shadow: 0 0 0 6px rgba(217, 130, 43, 0); }
}

/* 快速跳转 */
.page-faq .faq-jump{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-jump a{
  padding: 7px 13px;
  font-size: 13px;
  background: var(--paper-2);
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  color: var(--walnut);
  text-decoration: none;
}
.page-faq .faq-jump a:hover{ background: var(--gold-soft); border-color: var(--gold); }

/* 通用区块 */
.page-faq .section{ padding: clamp(34px, 5vw, 64px) 0; }
.page-faq .section-head{ max-width: 62ch; }
.page-faq .section-head h2,
.page-faq .faq-tools-head h2{
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.16;
  color: var(--walnut-ink);
  letter-spacing: -0.01em;
}
.page-faq .section-lede{
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}
.page-faq .faq-tools-head{ margin-bottom: clamp(20px, 3vw, 32px); }

/* 双栏对照 */
.page-faq .faq-tools-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.page-faq .tools-panel{
  position: relative;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--gold);
  box-shadow: 0 1px 0 rgba(30, 26, 23, 0.04);
  min-width: 0;
}
.page-faq .tools-panel--adapt{ border-top-color: var(--tianshan); }
.page-faq .panel-top{
  position: sticky;
  top: var(--bar-h);
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 13px 16px 11px;
  background: var(--paper);
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .panel-top h3{
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  color: var(--walnut-ink);
}
.page-faq .panel-note{
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.page-faq .media{
  margin: 0;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-line);
  background: var(--paper-2);
}
.page-faq .media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .rank-media img{ aspect-ratio: 4 / 3; }
.page-faq .adapt-media img{ aspect-ratio: 16 / 9; }
.page-faq .media-caption{
  padding: 8px 16px;
  font-size: 11.5px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  border-top: 1px solid var(--faq-line-soft);
}
.page-faq .panel-foot{
  margin: 0;
  padding: 12px 16px 4px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  border-top: 1px solid var(--faq-line-soft);
}

/* 筛选 */
.page-faq .filter-bar{
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 14px 16px 0;
}
.page-faq .filter-btn{
  padding: 6px 11px;
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.page-faq .filter-btn:hover{ border-color: var(--gold); color: var(--walnut); }
.page-faq .filter-btn.is-active{
  background: var(--gold-soft);
  border-color: var(--gold);
  color: var(--walnut-ink);
  font-weight: 700;
}
.page-faq .filter-status{
  margin: 8px 0 0;
  padding: 0 16px 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* 段位表 */
.page-faq .rank-table{ border-top: 1px solid var(--faq-line); }
.page-faq .rank-head{ display: none; }
.page-faq .rank-row{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px 10px;
  padding: 12px 16px;
  border-bottom: 1px dashed var(--faq-line);
  font-size: 14px;
}
.page-faq .rank-row:nth-child(odd){ background: var(--faq-tint); }
.page-faq .rank-name{
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--walnut);
}
.page-faq .rank-name::before{
  content: "";
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
  flex: none;
}
.page-faq .rank-cell{
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.page-faq .cell-label{
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.page-faq .rank-cell .mono{
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.page-faq .rank-room{
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--tianshan-deep);
}
.page-faq .rank-room::before{
  content: "建议房间 · ";
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* 适配清单 */
.page-faq .adapt-meter{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px 6px;
}
.page-faq .checklist-meter{
  flex: 1 1 auto;
  height: 8px;
  background: var(--paper-2);
  border-radius: 999px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px var(--faq-line-soft);
}
.page-faq .checklist-meter-fill{
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--pine), #8fa890);
  transition: width 0.28s ease;
}
.page-faq .adapt-count{
  margin: 0;
  flex: none;
  font-size: 12px;
  color: var(--ink-soft);
  white-space: nowrap;
}
.page-faq .adapt-count .mono{
  color: var(--walnut);
  font-weight: 700;
}
.page-faq .checklist{ padding: 4px 16px 10px; }
.page-faq .device-group{
  padding: 10px 0 4px;
  border-bottom: 1px solid var(--faq-line-soft);
}
.page-faq .device-group:last-child{ border-bottom: 0; }
.page-faq .device-head{
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--walnut);
  letter-spacing: 0.02em;
}
.page-faq .device-head .mono{
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-left: auto;
}
.page-faq .dev-ico{ flex: none; color: var(--tianshan); }
.page-faq .checklist-item{
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 6px 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
}
.page-faq .checklist-item input{
  flex: none;
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--pine);
  cursor: pointer;
}
.page-faq .checklist-item:has(input:checked) .check-text{
  color: var(--ink-soft);
  text-decoration: line-through;
  text-decoration-color: rgba(110, 139, 116, 0.6);
}

/* 换设备步骤 */
.page-faq .faq-step-list{
  list-style: none;
  counter-reset: faq-step;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-faq .faq-step{
  position: relative;
  counter-increment: faq-step;
  padding: 16px 18px 16px 20px;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}
.page-faq .faq-step::before{
  content: counter(faq-step, decimal-leading-zero);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--amber);
}
.page-faq .faq-step h3{
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  color: var(--walnut-ink);
}
.page-faq .faq-step p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.page-faq .steps-note{
  margin: 18px 0 0;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--walnut-ink);
  background: var(--gold-soft);
  border-left: 4px solid var(--amber);
}

/* 常见问题 */
.page-faq .faq-qa{ background: var(--paper-2); }
.page-faq .faq-group{ margin-top: 26px; }
.page-faq .faq-group-title{
  margin: 0 0 4px;
  padding-bottom: 7px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  color: var(--walnut);
  border-bottom: 2px solid var(--gold-soft);
}
.page-faq .faq-item{ border-bottom: 1px solid var(--faq-line); }
.page-faq .faq-item summary{
  position: relative;
  padding: 15px 36px 15px 2px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item summary::-webkit-details-marker{ display: none; }
.page-faq .faq-item summary::after{
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}
.page-faq .faq-item[open] summary::after{ content: "–"; }
.page-faq .faq-item[open] summary{ color: var(--walnut-ink); }
.page-faq .faq-answer{
  padding: 0 24px 16px 2px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 联系客服 */
.page-faq .help-panel{
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: clamp(22px, 4vw, 42px);
  background: var(--tianshan-deep);
  color: var(--paper);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%, 0 var(--faq-cut));
  overflow: hidden;
}
.page-faq .help-panel::before{
  content: "";
  position: absolute;
  inset: auto -20% -60% auto;
  width: 60%;
  aspect-ratio: 1;
  background: repeating-linear-gradient(135deg, rgba(169, 195, 214, 0.16) 0 2px, transparent 2px 15px);
  transform: rotate(-10deg);
  pointer-events: none;
}
.page-faq .help-copy,
.page-faq .help-card{ position: relative; z-index: 1; }
.page-faq .help-copy h2{
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.8vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--paper);
}
.page-faq .help-copy p{
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 243, 236, 0.85);
}
.page-faq .help-prep{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq .help-prep li{
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(247, 243, 236, 0.9);
}
.page-faq .help-prep li::before{
  content: "";
  position: absolute;
  left: 3px;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--pine);
  transform: rotate(45deg);
}
.page-faq .help-card{
  padding: 18px;
  background: rgba(42, 25, 15, 0.42);
  border: 1px solid rgba(214, 167, 86, 0.45);
  border-top: 3px solid var(--gold);
}
.page-faq .help-label{
  margin: 0 0 4px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold-soft);
}
.page-faq .help-mail-row{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.page-faq .help-mail{
  font-family: var(--font-mono);
  font-size: 13.5px;
  word-break: break-all;
  color: var(--paper);
  text-decoration-color: rgba(241, 217, 168, 0.6);
}
.page-faq .copy-btn{
  padding: 5px 11px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--walnut-ink);
  background: var(--gold);
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.18s ease;
}
.page-faq .copy-btn:hover{ background: var(--gold-soft); }
.page-faq .copy-btn.is-copied{ background: var(--pine); color: var(--paper); }
.page-faq .help-phone{
  display: inline-block;
  margin-bottom: 16px;
  font-size: 21px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.page-faq .help-time{
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(247, 243, 236, 0.85);
}
.page-faq .help-link{
  display: inline-block;
  font-size: 13px;
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 侧边索引 */
.page-faq .rail{ display: none; }
.page-faq .rail-title{
  margin: 0 0 10px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.page-faq .rail-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 2px solid var(--snow);
}
.page-faq .rail-list a{
  display: block;
  padding: 6px 10px;
  font-size: 12.5px;
  color: var(--ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
}
.page-faq .rail-list a:hover,
.page-faq .rail-list a[aria-current="true"]{
  color: var(--walnut);
  font-weight: 700;
  border-left-color: var(--gold);
  background: rgba(241, 217, 168, 0.45);
}

/* 中等屏幕 */
@media (min-width: 640px){
  .page-faq .faq-step-list{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-faq .help-panel{ gap: 28px; }
}

@media (min-width: 760px){
  .page-faq .help-panel{ grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: start; }
  .page-faq .faq-meta{ gap: 10px; }

  .page-faq .rank-head,
  .page-faq .rank-row{
    display: grid;
    grid-template-columns: 1.05fr 0.8fr 0.8fr 0.8fr 1.5fr;
    gap: 8px;
    align-items: center;
  }
  .page-faq .rank-head{
    padding: 10px 16px;
    font-size: 10.5px;
    letter-spacing: 0.1em;
    color: var(--ink-soft);
    background: var(--paper-2);
    border-bottom: 1px solid var(--faq-line);
  }
  .page-faq .rank-name{ grid-column: auto; font-size: 15px; }
  .page-faq .rank-cell{ flex-direction: row; align-items: baseline; }
  .page-faq .cell-label{ display: none; }
  .page-faq .rank-room{ grid-column: auto; font-size: 13px; }
  .page-faq .rank-room::before{ content: none; }
}

/* 双栏对照面板并列 */
@media (min-width: 1000px){
  .page-faq .faq-tools-grid{
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 26px;
  }
  .page-faq .panel-top{ top: calc(var(--bar-h) + 8px); }
}

@media (min-width: 1120px){
  .page-faq .faq-step-list{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-faq .faq-step:last-child{ grid-column: span 1; }
}

/* 宽屏侧边悬浮索引 */
@media (min-width: 1680px){
  .page-faq .rail{
    display: block;
    position: fixed;
    top: 148px;
    right: calc((100vw - var(--maxw)) / 2 - 178px);
    width: 158px;
    z-index: 20;
    padding: 12px 0 12px 12px;
    background: linear-gradient(90deg, rgba(247, 243, 236, 0.96), rgba(247, 243, 236, 0.7));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .dot--amber{ animation: none; }
  .page-faq .checklist-meter-fill,
  .page-faq .filter-btn,
  .page-faq .copy-btn{ transition: none; }
}
<<<END>>>