/* 问答中心 · 页面专属样式 */
.page-faq {
  --faq-red-bright: #FF5C5C;
  --faq-emerald-bright: #00B3A1;
  --faq-gold-bright: #DFC08A;
  --faq-indigo-bright: #A78BFA;
  --faq-inidgo-soft: #7561A8;
  --faq-card-bg: #1C1C1C;
  --faq-border: rgba(201, 160, 99, 0.22);
  background-color: var(--ms-black-deep);
  min-height: 100vh;
  color: var(--ms-parchment);
}

.page-faq > .page-container {
  padding: 32px 20px 72px;
}

/* 面包屑 */
.page-faq .breadcrumb {
  margin-bottom: 28px;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--ms-gray);
}

.page-faq .breadcrumb a {
  color: var(--ms-gold);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* 首屏导语 */
.page-faq .page-entry {
  margin-bottom: 36px;
  max-width: 64ch;
}

.page-faq .page-entry__tag {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--ms-gold-line);
  border-radius: 999px;
  font-family: var(--ms-sans-font);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--ms-gold);
}

.page-faq .page-entry__title {
  margin: 14px 0 14px;
  font-family: var(--ms-heading-font);
  font-size: 2.4rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ms-white);
}

.page-faq .page-entry__lead {
  margin: 0 0 18px;
  font-family: var(--ms-body-font);
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(245, 240, 230, 0.8);
}

.page-faq .page-entry__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 0.85rem;
  color: var(--ms-gold);
}

.page-faq .page-entry__meta a {
  color: var(--ms-gold);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* 顶部配图 */
.page-faq .faq-hero {
  position: relative;
  margin: 0 0 44px;
  overflow: hidden;
  border: 1px solid var(--faq-border);
  border-radius: 18px;
  background: var(--ms-black);
  box-shadow: var(--ms-shadow);
}

.page-faq .faq-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-hero__caption {
  position: absolute;
  right: 12px;
  bottom: 10px;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--faq-border);
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.78);
  font-family: var(--ms-sans-font);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ms-parchment);
  backdrop-filter: blur(4px);
}

/* 主体双栏 */
.page-faq .faq-grid {
  display: grid;
  gap: 36px;
  align-items: start;
}

/* 左侧主题索引 */
.page-faq .faq-index {
  padding: 22px 18px;
  border: 1px solid var(--faq-border);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(201, 160, 99, 0.07), rgba(17, 17, 17, 0) 55%),
    rgba(28, 28, 28, 0.6);
}

.page-faq .faq-index__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-index__kicker {
  font-family: var(--ms-heading-font);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--ms-gold);
}

.page-faq .faq-index__count {
  font-family: var(--ms-sans-font);
  font-size: 0.72rem;
  color: var(--ms-gray);
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: block;
  padding: 14px 12px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--ms-parchment);
  text-decoration: none;
  transition: transform 0.22s var(--ms-ease), background 0.22s ease, border-color 0.22s ease;
}

.page-faq .faq-index__link:hover {
  transform: translateY(-2px);
  background: rgba(201, 160, 99, 0.09);
  border-color: rgba(201, 160, 99, 0.35);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--ms-gold);
  outline-offset: 3px;
}

.page-faq .faq-index__num {
  display: block;
  margin-bottom: 5px;
  font-family: var(--ms-heading-font);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--ms-gold);
}

.page-faq .faq-index__label {
  display: block;
  font-family: var(--ms-sans-font);
  font-size: 0.9rem;
  font-weight: 700;
}

.page-faq .faq-index__meta {
  display: block;
  margin-top: 4px;
  font-size: 0.72rem;
  color: var(--ms-gray);
}

.page-faq .faq-index__link--data .faq-index__num {
  color: var(--faq-red-bright);
}

.page-faq .faq-index__link--features .faq-index__num {
  color: var(--faq-emerald-bright);
}

.page-faq .faq-index__link--account .faq-index__num {
  color: var(--faq-gold-bright);
}

.page-faq .faq-index__link--contact .faq-index__num {
  color: var(--faq-indigo-bright);
}

.page-faq .faq-index__note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--faq-border);
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--ms-gray);
}

.page-faq .faq-index__note p {
  margin: 0;
}

.page-faq .faq-index__note a {
  color: var(--ms-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 右侧问答 */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  margin-bottom: 56px;
  scroll-margin-top: 32px;
}

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

/* 章节标题 */
.page-faq .section-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 2px;
  background: var(--ms-gold);
}

.page-faq .section-head__number {
  font-family: var(--ms-heading-font);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ms-gold);
}

.page-faq .section-head__title {
  margin: 0;
  font-family: var(--ms-heading-font);
  font-size: 1.6rem;
  line-height: 1.1;
  color: var(--ms-parchment);
}

.page-faq .section-head__meta {
  width: 100%;
  margin-left: 0;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ms-gray);
}

.page-faq #faq-data .section-head__number {
  color: var(--faq-red-bright);
}

.page-faq #faq-features .section-head__number {
  color: var(--faq-emerald-bright);
}

.page-faq #faq-account .section-head__number {
  color: var(--faq-gold-bright);
}

.page-faq #faq-contact .section-head__number {
  color: var(--faq-indigo-bright);
}

/* 手风琴 */
.page-faq .faq-accordion {
  display: grid;
  gap: 12px;
}

.page-faq .faq-accordion__item {
  overflow: hidden;
  border: 1px solid var(--faq-border);
  border-radius: 14px;
  background: var(--faq-card-bg);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-accordion__item:hover {
  border-color: rgba(201, 160, 99, 0.42);
}

.page-faq .faq-accordion__item[open] {
  border-color: rgba(201, 160, 99, 0.5);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.32);
}

.page-faq #faq-data .faq-accordion__item[open] {
  box-shadow: inset 3px 0 0 var(--ms-red), 0 12px 32px rgba(0, 0, 0, 0.32);
}

.page-faq #faq-features .faq-accordion__item[open] {
  box-shadow: inset 3px 0 0 var(--ms-emerald), 0 12px 32px rgba(0, 0, 0, 0.32);
}

.page-faq #faq-account .faq-accordion__item[open] {
  box-shadow: inset 3px 0 0 var(--ms-gold), 0 12px 32px rgba(0, 0, 0, 0.32);
}

.page-faq #faq-contact .faq-accordion__item[open] {
  box-shadow: inset 3px 0 0 var(--faq-indigo-bright), 0 12px 32px rgba(0, 0, 0, 0.32);
}

.page-faq .faq-accordion__question {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ms-sans-font);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ms-parchment);
}

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

.page-faq .faq-accordion__question::marker {
  content: none;
}

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

.page-faq .faq-accordion__item:hover .faq-accordion__qtext {
  color: var(--ms-gold);
  transition: color 0.2s ease;
}

.page-faq .faq-accordion__qnum {
  flex-shrink: 0;
  padding: 4px 9px;
  border: 1px solid rgba(201, 160, 99, 0.35);
  border-radius: 6px;
  font-family: var(--ms-heading-font);
  font-size: 0.7rem;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--ms-gold);
}

.page-faq #faq-data .faq-accordion__qnum {
  color: var(--faq-red-bright);
  border-color: rgba(212, 0, 0, 0.45);
}

.page-faq #faq-features .faq-accordion__qnum {
  color: var(--faq-emerald-bright);
  border-color: rgba(0, 92, 83, 0.55);
}

.page-faq #faq-account .faq-accordion__qnum {
  color: var(--faq-gold-bright);
  border-color: rgba(201, 160, 99, 0.5);
}

.page-faq #faq-contact .faq-accordion__qnum {
  color: var(--faq-indigo-bright);
  border-color: rgba(139, 107, 199, 0.55);
}

.page-faq .faq-accordion__qtext {
  flex: 1;
}

.page-faq .faq-accordion__icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(201, 160, 99, 0.55);
  border-radius: 50%;
}

.page-faq .faq-accordion__icon::before,
.page-faq .faq-accordion__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 9px;
  height: 1.5px;
  background: var(--ms-gold);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ms-ease), opacity 0.2s ease;
}

.page-faq .faq-accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-accordion__item[open] .faq-accordion__icon::after {
  transform: translate(-50%, -50%) rotate(90deg) scaleY(0);
}

/* 手风琴内容动画 */
.page-faq .faq-accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ms-ease);
}

.page-faq .faq-accordion__item[open] .faq-accordion__panel {
  grid-template-rows: 1fr;
}

.page-faq .faq-accordion__panel-inner {
  overflow: hidden;
  min-height: 0;
}

.page-faq .faq-accordion__panel-inner > p {
  margin: 0;
  padding: 16px 20px 20px;
  border-top: 1px dashed rgba(201, 160, 99, 0.2);
  font-family: var(--ms-body-font);
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(245, 240, 230, 0.8);
}

.page-faq .faq-accordion__panel-inner a {
  color: var(--ms-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 功能使用区块的双栏排版 */
.page-faq .faq-feature-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-phone {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-border);
  border-radius: 18px;
  background: var(--ms-black);
}

.page-faq .faq-phone img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  aspect-ratio: 1 / 2;
  object-fit: cover;
  object-position: top;
}

.page-faq .faq-phone__caption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--faq-border);
  border-radius: 10px;
  background: rgba(17, 17, 17, 0.82);
  font-family: var(--ms-sans-font);
  font-size: 0.78rem;
  color: var(--ms-parchment);
  backdrop-filter: blur(4px);
}

/* 联系卡片 */
.page-faq .faq-contact-card {
  display: grid;
  gap: 14px;
  margin-top: 28px;
  padding: 26px 22px;
  border: 1px solid var(--faq-border);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(139, 107, 199, 0.16), rgba(17, 17, 17, 0.2)),
    var(--faq-card-bg);
}

.page-faq .faq-contact-card__label {
  font-family: var(--ms-heading-font);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--faq-indigo-bright);
}

.page-faq .faq-contact-card__title {
  margin: 0;
  font-family: var(--ms-heading-font);
  font-size: 1.25rem;
  color: var(--ms-parchment);
}

.page-faq .faq-contact-card__text,
.page-faq .faq-contact-card__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.75);
}

.page-faq .faq-contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 6px;
}

.page-faq .faq-contact-card__actions .btn {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-family: var(--ms-sans-font);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.page-faq .faq-contact-card__note a {
  color: var(--ms-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-faq > .page-container {
    padding: 40px 32px 84px;
  }

  .page-faq .page-entry__title {
    font-size: 2.9rem;
  }

  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .page-faq .faq-accordion__panel-inner > p {
    font-size: 0.96rem;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 44px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-hero {
    margin-bottom: 56px;
    border-radius: 20px;
  }

  .page-faq .faq-hero__caption {
    right: 14px;
    bottom: 12px;
    font-size: 0.75rem;
  }

  .page-faq .section-head__meta {
    width: auto;
    margin-left: auto;
  }

  .page-faq .faq-contact-card {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-faq .faq-contact-card__label,
  .page-faq .faq-contact-card__title,
  .page-faq .faq-contact-card__text,
  .page-faq .faq-contact-card__note {
    grid-column: 1;
  }

  .page-faq .faq-contact-card__actions {
    grid-column: 2;
    grid-row: 1 / span 4;
    align-content: center;
    justify-items: start;
  }
}

/* 桌面端 */
@media (min-width: 1024px) {
  .page-faq > .page-container {
    padding: 48px 40px 100px;
  }

  .page-faq .faq-grid {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--ms-header-h) + 24px);
  }

  .page-faq .faq-feature-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 36px;
  }

  .page-faq .faq-phone img {
    max-height: none;
  }

  .page-faq .faq-section {
    margin-bottom: 72px;
  }
}

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-accordion__panel {
    transition: none;
  }

  .page-faq .faq-accordion__icon::before,
  .page-faq .faq-accordion__icon::after,
  .page-faq .faq-index__link,
  .page-faq .faq-accordion__item {
    transition: none;
  }
}