.page-faq {
  --faq-line: rgba(20, 21, 24, 0.14);
  --faq-soft: #E8E3D7;
  --faq-shadow: 0 22px 50px -34px rgba(20, 21, 24, 0.6);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(22px, 4vw, 44px)) 0 clamp(32px, 6vw, 64px);
  background:
    radial-gradient(120% 90% at 92% -8%, rgba(0, 175, 193, 0.16), transparent 62%),
    radial-gradient(90% 80% at -4% 0%, rgba(214, 255, 63, 0.24), transparent 58%),
    var(--paper);
}

.page-faq .faq-hero .mk-breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 44px);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-rhythm {
  position: relative;
  background: var(--board);
  color: var(--white);
  border-radius: var(--r-l);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--faq-shadow);
  transform: rotate(-1.4deg);
  border-left: 6px solid var(--lime);
}

.page-faq .faq-rhythm__k {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-rhythm__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-rhythm__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-inv);
}

.page-faq .faq-rhythm__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-rhythm__t {
  font-family: var(--font-score);
  font-style: italic;
  font-weight: 800;
  font-size: 22px;
  line-height: 1;
  color: var(--white);
}

.page-faq .faq-rhythm__d {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.7);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 4vw, 48px);
  padding-top: clamp(10px, 2vw, 20px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 目录：移动端为吸顶横向轨道，桌面端为编号展签栏 */
.page-faq .faq-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: var(--paper);
  padding: 10px 0 8px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-toc__head {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 13px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  font-size: 13.5px;
  line-height: 1.3;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-faq .faq-toc__num {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--milan-red);
}

.page-faq .faq-toc__link:hover .faq-toc__num,
.page-faq .faq-toc__link:focus-visible .faq-toc__num {
  color: var(--lime);
}

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

.page-faq .faq-sec {
  padding-bottom: clamp(34px, 5vw, 60px);
  scroll-margin-top: calc(var(--header-h) + 72px);
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 14px;
  margin-bottom: 18px;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-sec__idx {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--milan-red);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 31px);
  line-height: 1.24;
}

.page-faq .faq-p {
  margin: 0 0 16px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* 三步操作 */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin: 0 0 22px;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 20px 22px;
  border-radius: var(--r-m);
  background: var(--white);
  border: 1px solid var(--faq-line);
  box-shadow: 0 14px 34px -30px rgba(20, 21, 24, 0.7);
}

.page-faq .faq-step:nth-child(2) {
  background: rgba(0, 175, 193, 0.1);
  border-color: rgba(0, 124, 137, 0.28);
}

.page-faq .faq-step:nth-child(3) {
  background: rgba(214, 255, 63, 0.34);
  border-color: rgba(20, 21, 24, 0.16);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-score);
  font-style: italic;
  font-weight: 800;
  font-size: 40px;
  line-height: 0.9;
  color: var(--milan-red);
  margin-bottom: 8px;
}

.page-faq .faq-step__t {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 20px;
}

.page-faq .faq-figure {
  margin: 0;
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--faq-soft);
}

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

.page-faq .faq-figure .mk-media__caption {
  padding: 10px 14px 12px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--gray);
  background: var(--white);
  border-top: 1px solid var(--faq-line);
}

/* 四维摘要 */
.page-faq .faq-dims {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-dims__item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--r-s);
  background: var(--white);
  border-left: 5px solid var(--ink);
}

.page-faq .faq-dims__item--cyan { border-left-color: var(--cyan); }
.page-faq .faq-dims__item--lime { border-left-color: #A8CC1E; }
.page-faq .faq-dims__item--orange { border-left-color: var(--orange); }
.page-faq .faq-dims__item--red { border-left-color: var(--milan-red); }

.page-faq .faq-dims__k {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-faq .faq-dims__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* 深色控制台面板 */
.page-faq .faq-board {
  margin: 0 0 20px;
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--r-m);
  background: var(--board);
  color: var(--white);
}

.page-faq .faq-board__k {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-faq .faq-board__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-board__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-inv);
}

.page-faq .faq-board__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-board__n {
  grid-row: span 2;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  padding-top: 2px;
}

.page-faq .faq-board__t {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-board__d {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.76);
}

/* 六个字段 */
.page-faq .faq-fields {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fields li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 11px 14px;
  border-radius: var(--r-s);
  background: linear-gradient(90deg, rgba(242, 107, 29, 0.14), rgba(242, 107, 29, 0.02));
  border-left: 4px solid var(--orange);
}

.page-faq .faq-fields__k {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  min-width: 5.5em;
}

.page-faq .faq-fields__v {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* 联系方式 */
.page-faq .faq-contact {
  display: grid;
  gap: 0;
  margin: 0 0 20px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-contact__k {
  flex: 0 0 auto;
  min-width: 5.5em;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-faq .faq-contact__v {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-fine {
  margin: 0;
  max-width: 66ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .faq-fine a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-fine--end {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-line);
}

/* 问答手风琴 */
.page-faq .faq-filter {
  margin-bottom: 14px;
}

.page-faq .mk-filter__btn {
  min-height: 44px;
}

.page-faq .mk-filter__btn.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-faq .faq-list {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
  transition: background 0.18s ease;
}

.page-faq .faq-item[open] {
  background: linear-gradient(180deg, rgba(214, 255, 63, 0.16), rgba(214, 255, 63, 0));
}

.page-faq .faq-item.is-filtered-out {
  display: none;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 44px;
  padding: 17px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.1;
  color: var(--milan-red);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
  color: var(--cyan-deep);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

.page-faq .faq-item__a {
  padding: 0 4px 4px;
}

.page-faq .faq-item__a p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-faq .faq-step:nth-child(2) {
    transform: translateY(12px);
  }

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

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

  .page-faq .faq-flow {
    max-width: 720px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.78fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-toc {
    top: calc(var(--header-h) + 28px);
    background: transparent;
    border-bottom: 0;
    padding: 0;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-faq .faq-toc__link {
    justify-content: flex-start;
    white-space: normal;
    border: 0;
    border-bottom: 1px solid var(--faq-line);
    border-radius: 0;
    padding: 14px 2px;
    font-size: 14px;
  }

  .page-faq .faq-toc__link:hover,
  .page-faq .faq-toc__link:focus-visible {
    background: transparent;
    color: var(--milan-red);
  }

  .page-faq .faq-toc__link:hover .faq-toc__num,
  .page-faq .faq-toc__link:focus-visible .faq-toc__num {
    color: var(--milan-red);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rhythm {
    transform: none;
  }

  .page-faq .faq-step:nth-child(2) {
    transform: none;
  }

  .page-faq .faq-toc__link,
  .page-faq .faq-item {
    transition: none;
  }
}