.page-faq {
  --faq-gap: clamp(1.25rem, 3vw, 2rem);
  --faq-radius: var(--radius, 14px);
  color: var(--cream);
  background: var(--ink);
  overflow-x: hidden;
}

.page-faq .container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  box-sizing: border-box;
}

/* ---------- 顶部 ---------- */

.page-faq .faq-top {
  position: relative;
  padding: clamp(2.25rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 70% at 8% 0%, rgba(184, 255, 60, .13), transparent 55%),
    radial-gradient(90% 60% at 100% 12%, rgba(56, 207, 255, .1), transparent 60%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-faq .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: .35rem;
  color: var(--stone);
}

.page-faq .breadcrumb li[aria-current="page"] {
  color: var(--cream);
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-hero__title {
  margin: .55rem 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.4rem, 8.4vw, 6rem);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 2px var(--lime);
  text-stroke: 2px var(--lime);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  margin: clamp(1.75rem, 5vw, 3rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .quick-card {
  display: flex;
  flex-direction: column;
  min-height: 8rem;
  padding: 1.1rem 1.15rem;
  background: var(--iron);
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
  color: var(--cream);
  text-decoration: none;
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--lime);
  box-shadow: 6px 6px 0 rgba(184, 255, 60, .22);
  outline: none;
}

.page-faq .quick-card--hot {
  border-color: rgba(255, 106, 43, .55);
}

.page-faq .quick-card--hot:hover,
.page-faq .quick-card--hot:focus-visible {
  border-color: var(--orange);
  box-shadow: 6px 6px 0 rgba(255, 106, 43, .25);
}

.page-faq .quick-card__num {
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-faq .quick-card__txt {
  margin-top: .5rem;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .quick-card__go {
  margin-top: auto;
  padding-top: .9rem;
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-faq .quick-card--hot .quick-card__go {
  color: var(--orange);
}

/* ---------- 章节外壳 ---------- */

.page-faq .chapter {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1rem, 3vw, 1.5rem);
}

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

.page-faq .chapter__band {
  display: block;
  width: 72px;
  height: 7px;
  margin-bottom: clamp(.9rem, 2vw, 1.3rem);
  background: var(--brick);
}

.page-faq .chapter__num {
  margin: 0 0 .4rem;
  font-size: .78rem;
  letter-spacing: .22em;
  color: var(--brick);
}

.page-faq .chapter__title {
  margin: 0 0 clamp(.7rem, 2vw, 1rem);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.6vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-faq .chapter__lede {
  max-width: 64ch;
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  font-size: clamp(.98rem, 1.5vw, 1.06rem);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 安装三步 ---------- */

.page-faq .step-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .85rem;
}

.page-faq .step {
  position: relative;
  padding: 1.05rem 1.1rem 1.05rem 3.7rem;
  background: var(--iron);
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
}

.page-faq .step__num {
  position: absolute;
  top: 1rem;
  left: 1.05rem;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-faq .step__title {
  margin: 0 0 .45rem;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .step__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .step__done {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-top: .8rem;
  cursor: pointer;
}

.page-faq .step__done input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 17px;
  height: 17px;
  margin: 0;
  border: 2px solid var(--stone);
  border-radius: 4px;
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: background .15s var(--ease), border-color .15s var(--ease);
}

.page-faq .step__done input:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-faq .step__done input:checked::after {
  content: "";
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg) translateY(-1px);
}

.page-faq .step__done input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .step__done-txt {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--stone);
  transition: color .15s var(--ease);
}

.page-faq .step__done input:checked ~ .step__done-txt {
  color: var(--lime);
}

/* ---------- 图片 ---------- */

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

.page-faq .faq-figure .media-frame {
  display: block;
  overflow: hidden;
  background: var(--deep);
  border: 2px solid var(--line-strong);
  border-radius: var(--faq-radius);
}

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

.page-faq .media-frame__cap {
  display: block;
  margin-top: .65rem;
  font-size: .73rem;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-faq .faq-figure--wide {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

/* ---------- 排查清单 ---------- */

.page-faq .trouble {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  padding: 1.2rem 1.25rem;
  background: var(--deep);
  border: 2px solid var(--line);
  border-top: 4px solid var(--orange);
  border-radius: var(--faq-radius);
}

.page-faq .trouble__title {
  margin: 0 0 .85rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .trouble__list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: .6rem;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--muted);
}

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

/* ---------- 筛选条件 ---------- */

.page-faq .filter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .9rem;
}

.page-faq .filter-card {
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--iron);
  border: 2px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: var(--faq-radius);
}

.page-faq .filter-card__label {
  display: block;
  margin-bottom: .45rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--blue);
}

.page-faq .filter-card__title {
  margin: 0 0 .5rem;
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .filter-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 问答折叠 ---------- */

.page-faq .qa-list {
  display: grid;
  gap: .65rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-faq .qa {
  background: var(--deep);
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--lime);
  transform: translateX(-8px);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  margin: 0;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--cream);
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-faq .qa--hard .qa__q::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: .5rem;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .18);
}

.page-faq .qa__mark {
  margin-left: auto;
  padding-left: .6rem;
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--lime);
  transition: transform .2s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(45deg);
}

.page-faq .qa__a {
  padding: .9rem 1.1rem 1.1rem;
  border-top: 1px dashed var(--line);
  font-size: .94rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 观赛房间流程 ---------- */

.page-faq .room-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin-top: .5rem;
  counter-reset: roomstep;
}

.page-faq .room-step {
  position: relative;
  padding: 1.5rem 1.1rem 1.15rem;
  background: var(--iron);
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .room-step:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 0 rgba(255, 106, 43, .22);
}

.page-faq .room-step::before {
  counter-increment: roomstep;
  content: "0" counter(roomstep);
  position: absolute;
  top: -.85rem;
  left: 1.1rem;
  padding: .12rem .5rem;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .08em;
  border-radius: 4px;
}

.page-faq .room-step h3 {
  margin: 0 0 .5rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .room-step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 数据面板 ---------- */

.page-faq .panel-map {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  padding: clamp(.9rem, 2.5vw, 1.35rem);
  background: var(--deep);
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .panel-slot {
  position: relative;
  padding: 1.15rem 1.1rem 1.15rem 3.2rem;
  background: rgba(10, 12, 10, .6);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
}

.page-faq .panel-slot--c {
  border-left-color: var(--lime);
}

.page-faq .panel-slot__key {
  position: absolute;
  top: 1.15rem;
  left: 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue);
}

.page-faq .panel-slot--c .panel-slot__key {
  color: var(--lime);
}

.page-faq .panel-slot h3 {
  margin: 0 0 .45rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .panel-slot p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 跨设备同步 ---------- */

.page-faq .sync-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .sync-card {
  padding: 1.2rem 1.15rem;
  background: var(--iron);
  border: 2px solid var(--line);
  border-top: 4px solid var(--lime);
  border-radius: var(--faq-radius);
}

.page-faq .sync-card h3 {
  margin: 0 0 .5rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .sync-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 场馆 ---------- */

.page-faq .venue-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .venue-card {
  padding: 1.2rem 1.15rem;
  background: var(--iron);
  border: 2px solid var(--line);
  border-left: 4px solid var(--brick);
  border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
}

.page-faq .venue-card h3 {
  margin: 0 0 .5rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .venue-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 尾部 ---------- */

.page-faq .faq-tail {
  margin-top: clamp(2rem, 6vw, 4rem);
  padding: clamp(2.25rem, 6vw, 4rem) 0 clamp(3rem, 8vw, 5rem);
  background:
    linear-gradient(180deg, transparent, rgba(192, 67, 43, .16)),
    var(--ink);
  border-top: 1px solid var(--line);
}

.page-faq .faq-tail__num {
  margin: 0 0 .6rem;
  font-size: .76rem;
  letter-spacing: .2em;
  color: var(--brick);
}

.page-faq .faq-tail__title {
  margin: 0 0 .9rem;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.6rem);
  line-height: 1.1;
  color: var(--cream);
}

.page-faq .faq-tail__lede {
  max-width: 60ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-contact {
  display: grid;
  gap: .55rem;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact li {
  font-size: .96rem;
  line-height: 1.7;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-contact .mono {
  display: inline-block;
  min-width: 5.5em;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--stone);
}

/* ---------- 回到顶部 ---------- */

.page-faq .to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 40;
  display: grid;
  place-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  background: var(--iron);
  color: var(--lime);
  font-size: 1.05rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease), transform .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .to-top.is-on {
  opacity: 1;
  pointer-events: auto;
}

.page-faq .to-top:hover,
.page-faq .to-top:focus-visible {
  border-color: var(--lime);
  transform: translateY(-3px);
  outline: none;
}

/* ---------- 动效 ---------- */

@keyframes faqRise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

.page-faq [data-reveal] {
  animation: faqRise .42s var(--ease) both;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .9rem;
  }

  .page-faq .filter-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .trouble__list {
    padding-left: 1.4rem;
  }
}

@media (min-width: 760px) {
  .page-faq .room-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 1rem;
  }

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

  .page-faq .panel-slot--c {
    grid-column: 1 / -1;
  }

  .page-faq .sync-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .step-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-faq .faq-hero__lede {
    max-width: 58ch;
  }

  .page-faq .chapter {
    padding-top: clamp(3rem, 5vw, 5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    animation: none;
  }

  .page-faq .quick-card,
  .page-faq .room-step,
  .page-faq .qa,
  .page-faq .to-top {
    transition: none;
  }
}