.page-faq {
  --faq-line: rgba(212, 166, 83, 0.34);
  --faq-index-w: 236px;
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  position: relative;
  background:
    radial-gradient(ellipse at 82% -10%, rgba(14, 42, 43, 0.85), transparent 60%),
    radial-gradient(ellipse at 8% 110%, rgba(62, 26, 36, 0.35), transparent 55%),
    var(--ink);
  border-bottom: 1px solid var(--line-soft);
  padding-block: clamp(40px, 7vw, 88px) clamp(36px, 6vw, 72px);
  overflow: hidden;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: var(--space-3) 0 var(--space-3);
}

.page-faq .faq-hero__lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.55vw, 18px);
  line-height: 1.78;
  color: var(--fog);
  max-width: 62ch;
  margin: 0;
}

.page-faq .faq-hero__visual {
  display: none;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(21, 26, 32, 0.92), rgba(11, 13, 16, 0.86));
  padding: var(--space-4);
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%);
}

.page-faq .faq-hero__visual-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 var(--space-3);
  opacity: 0.8;
}

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

/* ── 主布局：索引 + 正文 ── */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding-block: clamp(32px, 5vw, 64px) clamp(56px, 9vw, 112px);
}

.page-faq .faq-index {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: var(--space-3);
}

.page-faq .faq-index__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 12px;
  opacity: 0.75;
}

.page-faq .faq-index__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--fog);
  border: 1px solid var(--line-soft);
  padding: 8px 12px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  color: var(--gold-hi);
  border-color: var(--line);
  background: var(--gold-wash);
  outline: none;
}

.page-faq .faq-index__item:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  color: var(--gold);
  font-size: 11px;
}

.page-faq .faq-index__item--here {
  border-color: rgba(255, 107, 44, 0.5);
  background: rgba(255, 107, 44, 0.07);
  color: var(--paper);
}

.page-faq .faq-index__item--here .faq-index__num {
  color: var(--signal);
}

/* ── 章节 ── */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 96px;
  padding-top: var(--space-5);
}

.page-faq .faq-section:first-child {
  padding-top: 0;
}

.page-faq .faq-section__index {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--signal);
  margin: 0 0 10px;
}

.page-faq .faq-section h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--paper);
  margin: 0 0 var(--space-3);
}

.page-faq .faq-section__intro {
  color: var(--fog);
  font-size: 16px;
  line-height: 1.8;
  max-width: 64ch;
  margin: 0 0 var(--space-4);
}

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

.page-faq .faq-section a:hover {
  color: var(--signal);
}

/* ── 步骤列表 ── */
.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.page-faq .step-item {
  position: relative;
  padding: 0 0 var(--space-4) 56px;
  margin-left: 19px;
  border-left: 1px dashed var(--faq-line);
}

.page-faq .step-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-faq .step-item::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -19px;
  top: -3px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold);
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(11px 0, 100% 0, 100% 100%, 0 100%, 0 11px);
}

.page-faq .step-item h3 {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
  margin: 0 0 6px;
}

.page-faq .step-item p {
  color: var(--fog);
  font-size: 15.5px;
  line-height: 1.78;
  margin: 0 0 8px;
}

.page-faq .step-item p:last-child {
  margin-bottom: 0;
}

.page-faq .ui-hint {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gold-hi);
  background: rgba(212, 166, 83, 0.08);
  border-left: 2px solid var(--gold);
  padding: 8px 12px;
  margin-top: 10px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* 第一节：图文分栏 */
.page-faq .step-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-faq .step-split__aside {
  margin: 0;
  border: 1px solid var(--line-soft);
  padding: 10px;
  background: rgba(21, 26, 32, 0.5);
}

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

.page-faq .step-split__aside figcaption,
.page-faq .faq-figure figcaption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--fog);
  margin-top: 10px;
}

/* ── 有色面板（小屏 / 排错） ── */
.page-faq .faq-panel {
  padding: clamp(24px, 4vw, 40px);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}

.page-faq .faq-panel--teal {
  background: linear-gradient(152deg, rgba(14, 42, 43, 0.92), rgba(11, 13, 16, 0.72));
  border-top: 2px solid var(--gold);
}

.page-faq .faq-panel--wine {
  background: linear-gradient(158deg, rgba(62, 26, 36, 0.62), rgba(11, 13, 16, 0.72));
  border-top: 2px solid var(--signal);
}

.page-faq .step-list--compact .step-item {
  padding-bottom: var(--space-3);
}

/* ── 小屏章节配图 ── */
.page-faq .faq-figure {
  margin: var(--space-4) 0 0;
  border: 1px solid var(--line-soft);
  padding: 10px;
  background: rgba(11, 13, 16, 0.4);
}

/* ── 第三节：双栏 ── */
.page-faq .faq-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.page-faq .faq-two-col__block h3 {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  color: var(--gold-hi);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-two-col__block p {
  color: var(--fog);
  font-size: 15.5px;
  line-height: 1.78;
  margin: 0 0 10px;
}

.page-faq .faq-two-col__block p:last-child {
  margin-bottom: 0;
}

.page-faq .dot-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.page-faq .dot-list li {
  position: relative;
  padding-left: 22px;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 8px;
}

.page-faq .dot-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-faq .faq-note {
  border-left: 2px solid var(--gold);
  background: rgba(14, 42, 43, 0.42);
  padding: var(--space-3);
}

.page-faq .faq-note__tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 0 0 8px;
  opacity: 0.85;
}

.page-faq .faq-note p:last-child {
  color: var(--fog);
  font-size: 15px;
  line-height: 1.78;
  margin: 0;
}

/* ── 排错决策流 ── */
.page-faq .trouble-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: var(--space-4);
}

.page-faq .trouble-item {
  border: 1px solid var(--line-soft);
  background: rgba(11, 13, 16, 0.42);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

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

.page-faq .trouble-item[open] {
  border-color: var(--line);
  background: rgba(11, 13, 16, 0.68);
}

.page-faq .trouble-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
}

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

.page-faq .trouble-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold);
  transition: transform var(--t-fast) var(--ease);
}

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

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

.page-faq .trouble-item__code {
  flex: 0 0 auto;
  font-size: 11.5px;
  color: var(--signal);
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 107, 44, 0.4);
  padding: 2px 6px;
  align-self: center;
}

.page-faq .trouble-item__a {
  padding: 0 16px 16px 16px;
  color: var(--fog);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .trouble-item__a p {
  margin: 0 0 8px;
}

.page-faq .trouble-item__a p:last-child {
  margin-bottom: 0;
}

/* ── 人工支持 ── */
.page-faq .support-list {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-faq .support-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border-left: 1px solid var(--line-soft);
  padding: 0 0 0 var(--space-3);
}

.page-faq .support-list__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 12px;
  color: var(--gold);
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(9px 0, 100% 0, 100% 100%, 0 100%, 0 9px);
}

.page-faq .support-list h3 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  margin: 4px 0 4px;
}

.page-faq .support-list p {
  color: var(--fog);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

.page-faq .template-box {
  border: 1px solid var(--line-soft);
  background: rgba(21, 26, 32, 0.55);
  margin-bottom: var(--space-4);
}

.page-faq .template-box__toggle {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold-hi);
}

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

.page-faq .template-box__toggle::before {
  content: "▸ ";
  color: var(--gold);
}

.page-faq .template-box[open] .template-box__toggle::before {
  content: "▾ ";
}

.page-faq .template-box__toggle:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: -2px;
}

.page-faq .template-box__body {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--paper);
  background: rgba(11, 13, 16, 0.72);
  border-left: 2px solid var(--gold);
  padding: var(--space-3);
  margin: 0 16px 16px;
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-faq .support-cta {
  display: grid;
  gap: var(--space-3);
  align-items: start;
  padding-top: var(--space-3);
  border-top: 1px solid var(--line-soft);
}

.page-faq .support-cta p {
  color: var(--fog);
  font-size: 15.5px;
  line-height: 1.8;
  margin: 0;
}

.page-faq .support-cta .btn {
  justify-self: start;
}

/* ── 桌面增强 ── */
@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
  }

  .page-faq .faq-hero__visual {
    display: block;
  }

  .page-faq .faq-two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .page-faq .support-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-faq .support-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
    align-self: start;
    border-bottom: none;
    padding-bottom: 0;
    border-right: 1px solid var(--line-soft);
    padding-right: var(--space-3);
  }

  .page-faq .faq-index__nav {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (min-width: 1080px) {
  .page-faq .step-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-5);
    align-items: start;
  }

  .page-faq .step-split__aside {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .trouble-item,
  .page-faq .trouble-item summary::after {
    transition: none;
  }
}
<<<END>>>