.page-faq {
  --faq-index-w: 236px;
  --faq-shadow: 0 18px 42px -32px rgba(5, 26, 47, .5);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: calc(var(--header-h) + clamp(20px, 3vw, 34px));
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(28px, 4vw, 52px) 0 clamp(56px, 7vw, 100px);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4.5vw, 60px);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  max-width: 12ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  aspect-ratio: 1000 / 680;
}

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

/* ---------- 问答区布局 ---------- */
.page-faq .faq-section {
  padding: clamp(56px, 7vw, 104px) 0 clamp(64px, 8vw, 118px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

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

/* ---------- 左栏索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(14, 17, 22, .42);
}

.page-faq .faq-index__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0 10px 14px;
  border-left: 2px solid rgba(5, 26, 47, .1);
  font-size: 14px;
  line-height: 1.5;
  color: rgba(14, 17, 22, .66);
  text-decoration: none;
  transition: color .12s ease, border-color .12s ease;
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  color: var(--ink);
  border-color: var(--orange);
  outline: none;
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

/* ---------- 筛选 ---------- */
.page-faq .faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-faq .faq-toolbar .court-filter__btn {
  padding: 10px 17px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(5, 26, 47, .16);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: rgba(14, 17, 22, .7);
  cursor: pointer;
  transition: background-color .12s ease, color .12s ease, border-color .12s ease;
}

.page-faq .faq-toolbar .court-filter__btn:hover {
  border-color: rgba(5, 26, 47, .38);
  color: var(--ink);
}

.page-faq .faq-toolbar .court-filter__btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--neon-soft);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-bottom: 14px;
  background: var(--white);
  border: 1px solid rgba(5, 26, 47, .1);
  border-radius: var(--r-md);
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: border-color .16s ease, box-shadow .16s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 122, 41, .42);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-item[hidden] {
  display: none;
}

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

.page-faq .faq-item__summary {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(20px, 2.6vw, 28px) clamp(18px, 3vw, 30px);
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-item__summary::marker {
  content: "";
}

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -4px;
  border-radius: var(--r-md);
}

.page-faq .faq-item__summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: rgba(5, 26, 47, .3);
  transition: color .16s ease;
}

.page-faq .faq-item[open] .faq-item__summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1;
  color: rgba(5, 26, 47, .2);
  transition: color .16s ease;
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--orange);
}

.page-faq .faq-item__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.32;
  color: var(--ink);
}

.page-faq .faq-item__body {
  padding: 0 clamp(18px, 3vw, 30px) clamp(22px, 3vw, 30px);
}

/* ---------- 正文元素 ---------- */
.page-faq .faq-text {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--charcoal);
}

.page-faq .faq-text + .faq-text {
  margin-top: 14px;
}

.page-faq .faq-text + .faq-steps,
.page-faq .faq-text + .faq-bullets,
.page-faq .faq-text + .faq-settings,
.page-faq .faq-text + .faq-trouble,
.page-faq .faq-bullets + .faq-figure {
  margin-top: 18px;
}

.page-faq .faq-link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
  transition: border-color .12s ease;
}

.page-faq .faq-link:hover {
  border-bottom-color: var(--ink);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .faq-steps__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--neon-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.page-faq .faq-steps__text {
  font-size: 17px;
  line-height: 1.75;
  color: var(--charcoal);
}

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

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--charcoal);
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--orange);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(5, 26, 47, .1);
  background: var(--panel);
}

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

.page-faq .faq-settings {
  margin: 18px 0 0;
  display: grid;
  border-top: 1px solid rgba(5, 26, 47, .1);
}

.page-faq .faq-settings__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(5, 26, 47, .1);
}

.page-faq .faq-settings dt {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
}

.page-faq .faq-settings dd {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(14, 17, 22, .78);
}

.page-faq .faq-trouble {
  display: grid;
  gap: 12px;
}

.page-faq .faq-trouble__item {
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(5, 26, 47, .04);
  border-left: 3px solid var(--ink);
  transition: border-color .16s ease;
}

.page-faq .faq-trouble__item:hover {
  border-left-color: var(--orange);
}

.page-faq .faq-trouble__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-trouble__item p {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(14, 17, 22, .76);
}

.page-faq .faq-item__body .court-copy {
  margin-top: 20px;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px dashed rgba(5, 26, 47, .3);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
  transition: border-color .12s ease, background-color .12s ease;
}

.page-faq .faq-item__body .court-copy:hover {
  border-color: var(--orange);
  background: rgba(255, 122, 41, .1);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin: 20px 0 26px;
  padding: 16px clamp(18px, 3vw, 26px);
  border-radius: var(--r-md);
  background: rgba(255, 122, 41, .13);
  border-left: 3px solid var(--orange);
}

.page-faq .faq-tip__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink);
}

.page-faq .faq-tip__text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(14, 17, 22, .78);
}

/* ---------- 深色收尾 ---------- */
.page-faq .faq-help {
  padding: clamp(56px, 7vw, 100px) 0 clamp(72px, 8vw, 120px);
  background:
    radial-gradient(120% 150% at 86% 0%, rgba(0, 224, 198, .16), transparent 58%),
    var(--ink-deep);
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.5vw, 48px);
  align-items: center;
}

.page-faq .faq-help__title {
  margin: 12px 0 0;
  color: var(--white);
}

.page-faq .faq-help__text {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--haze);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 999px) {
  .page-faq .faq-index__list {
    flex-direction: row;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: none;
  }

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

  .page-faq .faq-index__item {
    padding: 8px 15px;
    border-left: 0;
    border: 1px solid rgba(5, 26, 47, .14);
    border-radius: var(--r-pill);
    font-size: 13px;
    white-space: nowrap;
  }
}

@media (max-width: 720px) {
  .page-faq .faq-hero__title {
    max-width: none;
  }

  .page-faq .faq-hero__figure {
    aspect-ratio: 1000 / 720;
  }

  .page-faq .faq-item__title {
    font-size: 17px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-settings__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

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

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

@media (min-width: 900px) {
  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .page-faq .faq-help__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index__item,
  .page-faq .faq-toolbar .court-filter__btn,
  .page-faq .faq-trouble__item,
  .page-faq .faq-item__body .court-copy {
    transition: none;
  }
}