/* ===== 问题排查页 · 页面作用域 ===== */
.page-faq {
  background-color: var(--g88-green);
  background-image:
    radial-gradient(120% 78% at 90% 0%, rgba(46, 242, 198, 0.10), transparent 58%),
    radial-gradient(92% 70% at 0% 100%, rgba(255, 122, 26, 0.07), transparent 62%);
  color: var(--g88-paper);
  font-family: var(--g88-font-body);
  overflow-x: hidden;
}

.page-faq .faq-crumb-row {
  padding-top: clamp(1rem, 3vw, 1.9rem);
}

/* ---- 首屏 ---- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--g88-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -14%;
  width: min(62vw, 620px);
  height: min(62vw, 620px);
  background: radial-gradient(circle, rgba(46, 242, 198, 0.15), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: min(46vw, 420px);
  height: min(46vw, 420px);
  background: radial-gradient(circle, rgba(255, 122, 26, 0.10), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.8rem);
  align-items: end;
  padding-block: clamp(1.6rem, 5vw, 3.6rem) clamp(1.8rem, 5vw, 3.2rem);
}

.page-faq .faq-hero__copy h1 {
  margin: 0.55rem 0 0;
  font-family: var(--g88-font-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 6.4vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.5vw, 1.04rem);
  line-height: 1.9;
  color: var(--g88-paper);
  opacity: 0.86;
}

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

.page-faq .faq-hero__media .g88-media {
  margin: 0;
}

/* ---- 主体双栏 ---- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.6rem);
  padding-block: clamp(1.8rem, 5vw, 4rem);
}

/* ---- 左侧分类索引 ---- */
.page-faq .faq-index {
  border: 1px solid var(--g88-line);
  background: var(--g88-carbon);
  border-radius: var(--g88-radius);
  padding: 0.95rem 1rem 1.05rem;
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(136px, 1fr));
  gap: 0.2rem;
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.5rem 0.45rem;
  border-left: 2px solid transparent;
  color: var(--g88-paper);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.5;
  transition: color 0.2s ease-out, background-color 0.2s ease-out, border-color 0.2s ease-out;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--g88-cyan);
  background: var(--g88-cyan-soft);
  color: var(--g88-cyan);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--g88-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--g88-cyan);
}

.page-faq .faq-index__note {
  margin: 0.85rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--g88-line);
  font-family: var(--g88-font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--g88-gray);
}

/* ---- 右侧排查面板 ---- */
.page-faq .faq-panel {
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: 1.4rem;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(2rem, 5vw, 3.2rem);
  padding-top: clamp(1.6rem, 4vw, 2.4rem);
  border-top: 1px solid var(--g88-line);
}

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.page-faq .faq-block__num {
  flex: none;
  font-family: var(--g88-font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--g88-orange);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-family: var(--g88-font-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.95rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-faq .faq-block__intro {
  margin: 0.85rem 0 0;
  max-width: 64ch;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--g88-gray);
}

/* ---- 内联示意 ---- */
.page-faq .faq-svg {
  margin: 1.1rem 0 0;
  padding: 0.7rem 0.4rem;
  border-left: 2px solid var(--g88-line-strong);
  max-width: 100%;
  overflow-x: auto;
}

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

/* ---- 图注图片 ---- */
.page-faq .faq-figure {
  margin: 1.2rem 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--g88-line);
  border-radius: var(--g88-radius);
  background: var(--g88-carbon);
}

.page-faq .faq-figure figcaption {
  margin-top: 0.55rem;
  font-family: var(--g88-font-mono);
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--g88-gray);
}

/* ---- 手风琴 ---- */
.page-faq .faq-item {
  margin-top: 0.65rem;
  border: 1px solid var(--g88-line);
  border-radius: var(--g88-radius);
  background: rgba(17, 20, 23, 0.66);
  transition: border-color 0.22s ease-out, background-color 0.22s ease-out;
}

.page-faq .faq-item:hover {
  border-color: var(--g88-line-strong);
}

.page-faq .faq-item[open] {
  border-color: var(--g88-line-strong);
  background: var(--g88-panel);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--g88-paper);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--g88-font-mono);
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--g88-cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--g88-cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__body {
  padding: 0 1rem 1.1rem;
  border-top: 1px dashed var(--g88-line);
}

.page-faq .faq-item__lead {
  margin: 0.9rem 0 0;
  padding-left: 0.7rem;
  border-left: 2px solid var(--g88-cyan);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--g88-paper);
}

.page-faq .faq-steps {
  margin: 0.8rem 0 0;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--g88-gray);
}

.page-faq .faq-steps li + li {
  margin-top: 0.32rem;
}

.page-faq .faq-steps li::marker {
  font-family: var(--g88-font-mono);
  font-size: 0.78rem;
  color: var(--g88-mist);
}

.page-faq .faq-item__aside {
  margin: 0.85rem 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--g88-gray);
}

.page-faq .faq-item__aside a {
  color: var(--g88-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 198, 0.42);
}

.page-faq .faq-item__aside a:hover,
.page-faq .faq-item__aside a:focus-visible {
  border-bottom-color: var(--g88-cyan);
  outline: none;
}

/* ---- 联系支持 ---- */
.page-faq .faq-support .faq-block__intro {
  max-width: 60ch;
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.3rem;
}

.page-faq .faq-support__prep h3 {
  margin: 0;
  font-family: var(--g88-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--g88-mist);
}

.page-faq .faq-support__prep ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--g88-gray);
}

.page-faq .faq-support__prep li + li {
  margin-top: 0.35rem;
}

.page-faq .faq-support__prep li::marker {
  color: var(--g88-clay);
}

.page-faq .faq-support__card {
  border: 1px solid var(--g88-line);
  border-top: 3px solid var(--g88-orange);
  border-radius: var(--g88-radius);
  background: var(--g88-carbon);
  padding: 1.1rem 1.1rem 1.2rem;
}

.page-faq .faq-support__card dl {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-support__card dt {
  font-family: var(--g88-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--g88-mist);
}

.page-faq .faq-support__card dd {
  margin: 0.18rem 0 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--g88-paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-support__note {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--g88-line);
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--g88-gray);
}

.page-faq .faq-support__card .g88-btn {
  margin-top: 1rem;
}

/* ---- 断点 ---- */
@media (min-width: 640px) {
  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-faq .faq-hero__media {
    transform: translateY(0.4rem);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(172px, 218px) minmax(0, 1fr);
    gap: clamp(1.6rem, 4vw, 3.2rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.4rem;
  }

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

  .page-faq .faq-item summary {
    font-size: 1rem;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__inner {
    padding-block: clamp(2rem, 5vw, 4.2rem) clamp(2rem, 5vw, 3.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-hero__media {
    transform: none;
  }
}