.page-faq {
  --faq-cut: 16px;
  background: var(--ink);
  color: var(--mist);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 32px) 0 clamp(36px, 6vw, 72px);
  background: linear-gradient(158deg, var(--ink) 0%, var(--ink-2) 56%, #102b41 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--hair) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, var(--hair) 0 1px, transparent 1px 68px);
  opacity: .55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, rgba(47, 216, 208, .18), rgba(255, 155, 61, .12));
  transform: rotate(12deg);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  margin: 0 0 clamp(14px, 3vw, 26px);
}

.page-faq .eyebrow {
  display: inline-block;
  margin: 0;
  padding: 4px 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  border: 1px solid rgba(47, 216, 208, .4);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-faq .page-title {
  margin: 14px 0 16px;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.2vw, 52px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.03em;
  color: var(--mist);
}

.page-faq .lead {
  max-width: 34em;
  margin: 0 0 clamp(24px, 4vw, 38px);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(237, 241, 245, .84);
}

.page-faq .faq-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-stats li {
  padding: 6px 0 6px 12px;
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-stats .mono {
  display: block;
  margin-bottom: 2px;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--cyan-soft);
}

.page-faq .faq-stats span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--wire);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-body {
  padding-top: clamp(26px, 4vw, 48px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

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

/* ---------- 目录 ---------- */
.page-faq .faq-dir {
  padding-top: 12px;
  border-top: 1px solid var(--hair-strong);
}

.page-faq .faq-dir-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-dir-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  scrollbar-width: thin;
}

.page-faq .faq-dir-list li {
  flex: 0 0 auto;
}

.page-faq .dir-link {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--wire);
  text-decoration: none;
  border: 1px solid var(--hair-strong);
  background: rgba(14, 36, 56, .72);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .dir-link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

.page-faq .dir-link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 主题区块 ---------- */
.page-faq .faq-topic {
  padding: clamp(26px, 5vw, 48px) 0;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-topic:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-topic-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 10px;
  margin-bottom: 22px;
}

.page-faq .faq-topic-idx {
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  padding: 3px 8px;
  font-size: 13px;
  color: var(--amber);
  border: 1px solid rgba(255, 155, 61, .45);
}

.page-faq .faq-topic-title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-faq .faq-topic-lead {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(237, 241, 245, .76);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-steps {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 14px;
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-step-num {
  padding-top: 3px;
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
  border-right: 1px solid var(--hair-strong);
}

.page-faq .faq-step-body .card-title {
  margin: 0 0 6px;
}

.page-faq .faq-step-body p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(237, 241, 245, .78);
}

.page-faq .faq-figure {
  margin: 24px 0 0;
  aspect-ratio: 3 / 2;
}

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

.page-faq .media-frame figcaption {
  font-size: 12px;
  color: var(--wire);
}

/* ---------- 查价步骤 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-faq .faq-flow {
  list-style: none;
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-flow > li {
  position: relative;
  padding-left: 20px;
  border-left: 1px solid var(--hair-strong);
}

.page-faq .faq-flow > li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-faq .faq-flow-idx {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .faq-flow .card-title {
  margin: 0 0 6px;
}

.page-faq .faq-flow p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(237, 241, 245, .78);
}

.page-faq .faq-dims {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
}

.page-faq .faq-dims li {
  padding: 4px 9px;
  font-size: 12px;
  color: var(--cyan-soft);
  border: 1px solid rgba(47, 216, 208, .35);
  background: rgba(47, 216, 208, .07);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.page-faq .faq-split-media {
  margin: 0;
  aspect-ratio: 4 / 3;
}

/* ---------- 小词典 ---------- */
.page-faq .faq-terms {
  margin-top: 26px;
  padding: 18px 20px;
  background: var(--ink-3);
  border-left: 2px solid var(--cyan-soft);
}

.page-faq .faq-terms-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-soft);
}

.page-faq .faq-term-list {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 16px;
  margin: 0;
  align-items: baseline;
}

.page-faq .faq-term-list dt {
  font-size: 13px;
  color: var(--amber-soft);
}

.page-faq .faq-term-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(237, 241, 245, .78);
}

/* ---------- 问答折叠卡 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-q {
  background: var(--ink-2);
  border-left: 2px solid rgba(47, 216, 208, .38);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform .2s var(--ease), border-left-color .2s var(--ease);
}

.page-faq .faq-q[open] {
  border-left-color: var(--cyan);
}

.page-faq .faq-q-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform .2s var(--ease);
}

.page-faq .faq-q-mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-q-mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .faq-q[open] .faq-q-mark::after {
  transform: scaleY(0);
}

.page-faq .faq-q-body {
  padding: 0 18px 18px;
}

.page-faq .faq-q-body p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(237, 241, 245, .8);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-compare-col {
  padding: 18px 20px;
  background: var(--ink-2);
  border-top: 3px solid var(--cyan);
}

.page-faq .faq-compare-col--prev {
  border-top-color: var(--amber);
}

.page-faq .faq-compare-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .faq-compare-col--prev .faq-compare-label {
  color: var(--amber-soft);
}

.page-faq .faq-compare-col p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(237, 241, 245, .78);
}

/* ---------- 标签清单 ---------- */
.page-faq .faq-taglist {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-faq .faq-tagrow {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  background: var(--ink);
}

.page-faq .faq-tagrow-key {
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-tagrow-for {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-tagrow-do {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(237, 241, 245, .74);
}

.page-faq .faq-hint {
  margin-top: 18px;
  padding: 16px 18px;
  background: rgba(255, 155, 61, .08);
  border-left: 3px solid var(--amber);
}

.page-faq .faq-hint p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系 ---------- */
.page-faq .faq-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-support-card {
  padding: 20px;
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-faq .faq-support-key {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-support-val {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-support-for {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(237, 241, 245, .74);
}

.page-faq .faq-prep {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-prep-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

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

.page-faq .faq-prep li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(237, 241, 245, .78);
}

.page-faq .faq-prep li .mono {
  flex: 0 0 auto;
  color: var(--amber-soft);
}

.page-faq .faq-inline-link {
  margin: 18px 0 0;
}

.page-faq .faq-inline-link a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 216, 208, .38);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-inline-link a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 16px;
  margin-top: clamp(28px, 5vw, 48px);
  padding: clamp(22px, 4vw, 32px);
  background: linear-gradient(140deg, var(--ink-3) 0%, var(--ink-2) 100%);
  border-top: 3px solid var(--amber);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

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

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

  .page-faq .faq-compare {
    grid-template-columns: 5fr 7fr;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-split-media {
    position: sticky;
    top: 100px;
  }
}

/* ---------- 桌面：固定目录 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 52px;
  }

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

  .page-faq .faq-dir-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-dir-list li + li {
    margin-top: 2px;
  }

  .page-faq .dir-link {
    padding: 9px 0 9px 14px;
    font-size: 14px;
    white-space: normal;
    background: none;
    border: 0;
    border-left: 2px solid var(--hair-strong);
    clip-path: none;
  }

  .page-faq .dir-link[aria-current="true"] {
    background: none;
    color: var(--cyan);
    border-left-color: var(--cyan);
  }

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

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

/* ---------- 悬停增强 ---------- */
@media (hover: hover) and (pointer: fine) {
  .page-faq .faq-q:hover {
    transform: translateY(-2px);
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q,
  .page-faq .dir-link,
  .page-faq .faq-q-mark::before,
  .page-faq .faq-q-mark::after {
    transition: none;
  }

  .page-faq .faq-q:hover {
    transform: none;
  }

  .page-faq .faq-split-media {
    position: static;
  }
}