.page-faq {
  --faq-line: rgba(11, 17, 22, 0.14);
  --faq-line-strong: rgba(11, 17, 22, 0.3);
  --faq-card: rgba(255, 255, 255, 0.62);
  --faq-gap: clamp(20px, 3vw, 44px);
  --faq-radius: 12px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: calc(var(--header-h) + clamp(20px, 5vw, 56px));
  padding-bottom: clamp(22px, 4vw, 44px);
  background:
    repeating-linear-gradient(180deg, rgba(11, 17, 22, 0.04) 0 1px, transparent 1px 34px),
    var(--paper);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(11, 17, 22, 0.35);
}

.page-faq .breadcrumbs a {
  color: var(--cabin);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 3.4vw, 34px);
}

.page-faq .faq-hero__lead .section-kicker {
  display: inline-block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cabin);
  padding: 4px 8px;
  border: 1px solid var(--faq-line-strong);
  border-radius: 3px;
}

.page-faq h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-faq h1 em {
  font-style: normal;
  color: var(--signal);
  box-shadow: inset 0 -0.16em 0 rgba(255, 90, 31, 0.22);
}

.page-faq .faq-hero__text {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(11, 17, 22, 0.78);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  color: var(--cabin);
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-faq .faq-hero__meta .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grass);
  flex: 0 0 auto;
}

.page-faq .faq-hero__path {
  position: relative;
  isolation: isolate;
  margin: 0;
  padding: clamp(14px, 2.2vw, 22px);
  background: var(--paper-2);
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--faq-radius);
}

.page-faq .faq-hero__path::before {
  content: "";
  position: absolute;
  inset: 8px -8px -8px 8px;
  z-index: -1;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  background: rgba(232, 225, 210, 0.6);
}

.page-faq .faq-hero__path figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cabin);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--faq-line-strong);
  margin-bottom: 10px;
}

.page-faq .path-map__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .path-box {
  fill: rgba(255, 255, 255, 0.72);
  stroke: var(--faq-line-strong);
  stroke-width: 1.5;
}

.page-faq .path-box--signal {
  fill: rgba(255, 90, 31, 0.1);
  stroke: var(--signal);
}

.page-faq .path-label {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  fill: var(--ink);
}

.page-faq .path-sub {
  font-family: var(--font-body);
  font-size: 11px;
  fill: var(--fog);
}

.page-faq .path-line {
  stroke: var(--faq-line-strong);
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}

.page-faq .path-arrow {
  fill: var(--signal);
}

.page-faq .path-step {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  fill: var(--signal);
}

/* ---------- 章节跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 32px);
  padding: 14px 0 2px;
  overflow-x: auto;
  border-top: 1px solid var(--faq-line);
  scrollbar-width: none;
}

.page-faq .faq-jump::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump a {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--faq-line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  font-size: 12.5px;
  color: var(--cabin);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--signal);
  color: var(--signal);
  background: rgba(255, 90, 31, 0.08);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(28px, 4.6vw, 56px);
  padding-bottom: clamp(34px, 5.6vw, 76px);
}

.page-faq .faq-toc {
  display: none;
}

.page-faq .faq-toc__head {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fog);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-toc__list li {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-toc__list a .mono {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-faq .faq-toc__list a:hover {
  color: var(--signal);
  padding-left: 4px;
}

.page-faq .faq-toc__cta {
  display: inline-block;
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--cabin);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
  padding-bottom: 2px;
}

/* ---------- 章节块 ---------- */
.page-faq .guide-block {
  padding-bottom: clamp(26px, 4vw, 46px);
  margin-bottom: clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .guide-block--last {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .guide-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px 14px;
  margin-bottom: clamp(16px, 2.6vw, 24px);
}

.page-faq .guide-block__num {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-faq .guide-block__head > div {
  flex: 1 1 220px;
  min-width: 0;
}

.page-faq .guide-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.12;
  letter-spacing: -0.005em;
}

.page-faq .guide-block__lead {
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(11, 17, 22, 0.72);
}

.page-faq .guide-block .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border-radius: 3px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-faq .guide-block .tag--amber {
  color: #8a5c00;
  background: rgba(255, 176, 0, 0.16);
}

.page-faq .guide-block .tag--grass {
  color: #0f7a4e;
  background: rgba(25, 195, 125, 0.16);
}

.page-faq .guide-block__split {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-faq .guide-block__foot {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(11, 17, 22, 0.72);
}

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

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

/* ---------- 步骤 ---------- */
.page-faq .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 16px;
  background: var(--faq-card);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
}

.page-faq .steps__num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cabin);
}

.page-faq .steps__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .steps__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(11, 17, 22, 0.75);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure .media {
  display: block;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--faq-line-strong);
  background: var(--paper-2);
}

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

.page-faq .faq-figure--tall {
  max-width: 340px;
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 指标 ---------- */
.page-faq .metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  padding: 0;
  list-style: none;
}

.page-faq .metric-grid__item {
  padding: 12px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.55);
}

.page-faq .metric-grid__num {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--signal);
  margin-bottom: 6px;
}

.page-faq .metric-grid__item p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(11, 17, 22, 0.72);
}

/* ---------- 纸张卡片 ---------- */
.page-faq .panel-paper {
  position: relative;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--paper-2);
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--faq-radius);
}

.page-faq .panel-paper--tight {
  margin-top: 16px;
}

.page-faq .panel-paper h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
}

.page-faq .panel-paper p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(11, 17, 22, 0.78);
}

.page-faq .panel-paper__note {
  margin-top: 10px !important;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-line-strong);
  font-size: 12.5px !important;
  color: var(--cabin) !important;
}

/* ---------- 关注清单 ---------- */
.page-faq .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .checklist__item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: start;
  gap: 11px;
  padding: 13px 15px;
  border: 1px solid var(--faq-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(11, 17, 22, 0.8);
}

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

.page-faq .checklist__item input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.page-faq .checklist__box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1.5px solid var(--faq-line-strong);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.9);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .checklist__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 7px;
  height: 11px;
  border-right: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(42deg) scale(0.6);
  opacity: 0;
  transition: opacity 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-faq .checklist__item input:checked + .checklist__box {
  background: var(--grass);
  border-color: var(--grass);
}

.page-faq .checklist__item input:checked + .checklist__box::after {
  opacity: 1;
  transform: rotate(42deg) scale(1);
}

.page-faq .checklist__item input:focus-visible + .checklist__box {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- 工单类型 ---------- */
.page-faq .ticket-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .ticket-grid__item {
  padding: 13px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.55);
}

.page-faq .ticket-grid__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--cabin);
  border: 1px solid var(--faq-line-strong);
  border-radius: 3px;
}

.page-faq .ticket-grid__tag--signal {
  color: #fff;
  background: var(--signal);
  border-color: var(--signal);
}

.page-faq .ticket-grid__item h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.page-faq .ticket-grid__item p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(11, 17, 22, 0.72);
}

/* ---------- 邮箱条 ---------- */
.page-faq .mail-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--faq-line-strong);
  border-left: 3px solid var(--signal);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
}

.page-faq .mail-bar__label {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--fog);
}

.page-faq .mail-bar__value {
  flex: 1 1 200px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .mail-bar__copy {
  cursor: pointer;
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--paper);
  background: var(--cabin);
  border: 1px solid var(--cabin);
  border-radius: 999px;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .mail-bar__copy:hover {
  background: var(--navy);
  border-color: var(--navy);
}

.page-faq .mail-bar__copy[data-copied="true"] {
  background: var(--grass);
  border-color: var(--grass);
  color: #06251a;
}

.page-faq .mail-bar__note {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 双栏 ---------- */
.page-faq .duo {
  display: grid;
  gap: 12px;
}

.page-faq .duo__col {
  padding: clamp(14px, 2.2vw, 22px);
  border: 1px solid var(--faq-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.55);
}

.page-faq .duo__col h3 {
  margin: 0 0 10px;
  padding-bottom: 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-faq .bullets li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(11, 17, 22, 0.76);
}

.page-faq .bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  border: 1px solid var(--cabin);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc {
  border-top: 1px solid var(--faq-line-strong);
}

.page-faq .faq-acc__item {
  border-bottom: 1px solid var(--faq-line-strong);
}

.page-faq .faq-acc__item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-acc__item > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  background:
    linear-gradient(var(--cabin), var(--cabin)) center / 14px 2px no-repeat,
    linear-gradient(var(--cabin), var(--cabin)) center / 2px 14px no-repeat;
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-acc__item[open] > summary {
  color: var(--signal);
}

.page-faq .faq-acc__item[open] > summary::after {
  background:
    linear-gradient(var(--signal), var(--signal)) center / 14px 2px no-repeat;
  transform: rotate(180deg);
}

.page-faq .faq-acc__item > summary:hover {
  color: var(--signal);
}

.page-faq .faq-acc__body {
  padding: 0 2px 16px;
  border-top: 1px dashed var(--faq-line);
  margin-top: -1px;
}

.page-faq .faq-acc__body p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(11, 17, 22, 0.76);
}

/* ---------- 底部 ---------- */
.page-faq .faq-cta {
  background: var(--navy);
  color: var(--paper);
  padding: clamp(28px, 5vw, 56px) 0;
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 20px;
}

.page-faq .faq-cta .section-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.1;
  color: var(--paper);
  max-width: 22ch;
}

.page-faq .faq-cta__text {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.76);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cta__actions .btn {
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 13.5px;
  text-decoration: none;
  display: inline-block;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-faq .guide-block__split {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

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

  .page-faq .duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-toc {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .guide-block__head {
    flex-wrap: nowrap;
    align-items: baseline;
  }

  .page-faq .guide-block__head .tag {
    margin-left: auto;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero__path {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-toc__list a,
  .page-faq .checklist__box,
  .page-faq .checklist__box::after,
  .page-faq .mail-bar__copy,
  .page-faq .faq-acc__item > summary,
  .page-faq .faq-acc__item > summary::after {
    transition: none;
  }
}
<<<END>>>