.page-faq {
  position: relative;
  display: block;
  background: var(--ink-void);
  color: var(--bone);
  font-family: var(--font-body);
  overflow-x: clip;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(67, 240, 208, 0.16), transparent 62%),
    linear-gradient(170deg, var(--ink-deep), var(--ink-void) 74%);
  border-bottom: 1px solid var(--line-mid);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 72px);
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 96%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 96%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 22px);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 22px;
  padding-bottom: 36px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  max-width: 17ch;
}

.page-faq .faq-hero__accent {
  display: block;
  color: var(--aqua);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 0.96rem;
  line-height: 1.72;
  color: rgba(247, 243, 232, 0.8);
}

.page-faq .faq-hero__starters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.page-faq .faq-hero__starter {
  display: inline-flex;
  align-items: center;
  padding: 11px 16px;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-sm);
  background: rgba(4, 16, 24, 0.55);
  color: var(--bone);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-hero__starter:hover,
.page-faq .faq-hero__starter:focus-visible {
  color: var(--aqua);
  border-color: var(--aqua);
  transform: translateY(-2px);
}

.page-faq .faq-hero__meter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 26px 0 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-faq .faq-hero__meter > div {
  background: rgba(8, 13, 11, 0.78);
  padding: 12px 14px;
}

.page-faq .faq-hero__meter dt {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-hero__meter dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--aqua);
  letter-spacing: 0.01em;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 30px;
  padding-bottom: 60px;
}

/* ---------- 场景索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(13, 33, 25, 0.55);
  padding: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-sm);
  color: var(--bone);
  font-size: 0.84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__link span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--aqua);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--aqua);
  border-color: var(--aqua);
}

.page-faq .faq-index__hint {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-index__hint a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal-soft);
}

.page-faq .faq-index__hint a:hover {
  color: var(--aqua);
  border-bottom-color: var(--aqua-soft);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-sec {
  margin-bottom: 46px;
}

.page-faq .faq-sec__head {
  border-top: 1px solid var(--line-mid);
  padding-top: 16px;
  margin-bottom: 20px;
}

.page-faq .faq-sec__head .dx-h2 {
  margin: 8px 0 0;
  max-width: 20ch;
}

.page-faq .faq-sec__intro {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 登录前自检 ---------- */
.page-faq .faq-check {
  display: grid;
  gap: 18px;
}

.page-faq .faq-check__media {
  margin: 0;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--night);
}

.page-faq .faq-check__cap {
  padding: 8px 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-check__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-check__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-check__item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-check__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--aqua);
  padding-top: 3px;
}

.page-faq .faq-check__body h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-faq .faq-check__body p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.66;
  color: rgba(247, 243, 232, 0.74);
}

/* ---------- 手风琴问答 ---------- */
.page-faq .faq-qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(13, 33, 25, 0.58);
  margin-bottom: 10px;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.page-faq .faq-qa[open] {
  border-color: var(--aqua-soft);
  background: rgba(13, 33, 25, 0.92);
}

.page-faq .faq-qa__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-qa__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-faq .faq-qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--aqua);
}

.page-faq .faq-qa[open] .faq-qa__q::after {
  content: "–";
  color: var(--signal);
}

.page-faq .faq-qa__a {
  padding: 0 15px 15px;
}

.page-faq .faq-qa__a p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.76;
  color: rgba(247, 243, 232, 0.78);
}

.page-faq .faq-qa--paper {
  background: var(--paper);
  border-color: rgba(8, 13, 11, 0.16);
}

.page-faq .faq-qa--paper:hover {
  border-color: rgba(8, 13, 11, 0.32);
}

.page-faq .faq-qa--paper[open] {
  background: var(--paper);
  border-color: var(--ink-field);
}

.page-faq .faq-qa--paper .faq-qa__title {
  color: #13211a;
}

.page-faq .faq-qa--paper .faq-qa__q::after {
  color: var(--ink-field);
}

.page-faq .faq-qa--paper[open] .faq-qa__q::after {
  color: var(--stand);
}

.page-faq .faq-qa--paper .faq-qa__a p {
  color: rgba(19, 33, 26, 0.85);
}

/* ---------- 纸色提示 ---------- */
.page-faq .faq-note {
  margin: 0 0 16px;
  padding: 14px 18px;
  background: var(--paper);
  border-left: 3px solid var(--signal);
  color: #13211a;
  font-size: 0.86rem;
  line-height: 1.72;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

/* ---------- 资源包三类 ---------- */
.page-faq .faq-kit {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.page-faq .faq-kit__card {
  padding: 14px 15px 16px;
  border: 1px solid var(--line-mid);
  border-top: 2px solid var(--aqua);
  border-radius: var(--radius-sm);
  background: rgba(4, 16, 24, 0.66);
}

.page-faq .faq-kit__card--light {
  border-top-color: var(--signal);
}

.page-faq .faq-kit__card--desk {
  border-top-color: var(--stand);
}

.page-faq .faq-kit__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-faq .faq-kit__card h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-kit__card p:last-child {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.66;
  color: rgba(247, 243, 232, 0.74);
}

/* ---------- 延伸链接 ---------- */
.page-faq .faq-more {
  margin: 16px 0 0;
  font-size: 0.85rem;
  color: var(--mist);
}

.page-faq .faq-more a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid var(--aqua-soft);
}

.page-faq .faq-more a:hover,
.page-faq .faq-more a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal-soft);
}

/* ---------- 客服准备清单 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: 16px;
}

.page-faq .faq-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-prep__list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-prep__list li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-prep__list li > span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--signal);
  padding-top: 3px;
}

.page-faq .faq-prep__list h3 {
  margin: 0 0 3px;
  font-family: var(--font-display);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--bone);
}

.page-faq .faq-prep__list p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.62;
  color: rgba(247, 243, 232, 0.72);
}

.page-faq .faq-prep__media {
  margin: 0;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--night);
}

.page-faq .faq-contact {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 15px 17px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(29, 91, 63, 0.16);
}

.page-faq .faq-contact p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: rgba(247, 243, 232, 0.86);
}

/* ---------- 结尾 ---------- */
.page-faq .faq-next {
  margin-top: 14px;
  padding: 24px 20px 26px;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius-md);
  background:
    linear-gradient(140deg, rgba(67, 240, 208, 0.14), rgba(255, 106, 42, 0.12) 72%, transparent);
}

.page-faq .faq-next h2 {
  margin: 8px 0 10px;
}

.page-faq .faq-next p {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(247, 243, 232, 0.8);
}

.page-faq .faq-next .dx-btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__meter {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-faq .faq-kit {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .faq-check {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 22px;
    align-items: start;
  }

  .page-faq .faq-prep {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-faq .faq-hero__inner {
    padding-top: 30px;
    padding-bottom: 44px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 46px;
    padding-top: 52px;
    padding-bottom: 90px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 18px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--line-soft);
    border-radius: 0;
    padding: 9px 10px;
    white-space: normal;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-color: var(--aqua);
    color: var(--aqua);
  }

  .page-faq .faq-next {
    padding: 32px 30px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}