/* ===== 支持中心：页面作用域变量 ===== */
.page-faq {
  --faq-bg-deep: #0D1B3A;
  --faq-panel: #101F42;
  --faq-line: 2px solid var(--c-border);
  --faq-shadow: 10px 10px 0 0 rgba(0, 0, 0, 0.3);
  background-image:
    linear-gradient(rgba(77, 124, 254, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77, 124, 254, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  padding-bottom: 40px;
}

/* ===== 首屏 ===== */
.page-faq .faq-hero__inner {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 28px 18px 0;
}
.page-faq .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 14px;
}
.page-faq .breadcrumbs__link {
  color: var(--c-blue);
  text-decoration: none;
  transition: color var(--t-fast);
}
.page-faq .breadcrumbs__link:hover {
  color: var(--c-white);
}
.page-faq .breadcrumbs__sep {
  color: var(--c-border);
}
.page-faq .breadcrumbs__current {
  color: var(--c-light);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
  padding-top: 20px;
}
.page-faq .faq-hero__main {
  min-width: 0;
}
.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-size: clamp(2.3rem, 7vw, 4rem);
  font-weight: 800;
  line-height: 1.06;
  color: var(--c-white);
  letter-spacing: -0.02em;
  transform: skewX(-5deg);
  transform-origin: left center;
}
.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--c-green);
}
.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 128px;
  height: 4px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--c-green) 0%, transparent 100%);
  transform: skewX(-30deg);
}
.page-faq .faq-hero__desc {
  max-width: 560px;
  margin: 20px 0 0;
  color: var(--c-light);
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}
.page-faq .faq-stat {
  flex: 1 1 130px;
  min-width: 0;
  padding: 16px 18px 14px;
  background: var(--faq-panel);
  border: var(--faq-line);
  border-top: 4px solid var(--c-green);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-stat--orange {
  border-top-color: var(--c-orange);
}
.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-white);
}
.page-faq .faq-stat--orange .faq-stat__num {
  color: var(--c-orange);
}
.page-faq .faq-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--c-light);
}

/* ===== 服务状态控制台 ===== */
.page-faq .faq-status {
  position: relative;
  background: var(--faq-panel);
  border: var(--faq-line);
  box-shadow: var(--faq-shadow);
  transform: rotate(1deg);
}
.page-faq .faq-status::before,
.page-faq .faq-status::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 0 solid var(--c-orange);
  z-index: 1;
}
.page-faq .faq-status::before {
  top: -2px;
  left: -2px;
  border-top-width: 3px;
  border-left-width: 3px;
}
.page-faq .faq-status::after {
  right: -2px;
  bottom: -2px;
  border-right-width: 3px;
  border-bottom-width: 3px;
}
.page-faq .faq-status__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: var(--faq-line);
}
.page-faq .faq-status__pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-green);
  animation: faqPulse 1.8s ease-in-out infinite;
}
.page-faq .faq-status__label {
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.page-faq .faq-status__badge {
  margin-left: auto;
  padding: 3px 8px;
  background: var(--c-orange);
  color: var(--c-bg);
  font-size: 12px;
  font-weight: 800;
  transform: skewX(-8deg);
}
.page-faq .faq-status__list {
  list-style: none;
  margin: 0;
  padding: 4px 0;
}
.page-faq .faq-status__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 16px;
  border-bottom: 1px dashed var(--c-border);
}
.page-faq .faq-status__item:last-child {
  border-bottom: none;
}
.page-faq .faq-status__key {
  font-size: 13px;
  color: var(--c-light);
}
.page-faq .faq-status__val {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-green);
}
.page-faq .faq-status__media {
  margin: 8px 12px 12px;
}

/* ===== 图片容器 ===== */
.page-faq .faq-img {
  position: relative;
  overflow: hidden;
  border: var(--faq-line);
  background: var(--faq-panel);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-img img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}
.page-faq .faq-img--square img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-faq .faq-img--landscape img {
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

/* ===== 区块脚手架 ===== */
.page-faq .faq-sec {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 44px 18px;
}
.page-faq .faq-sec__head {
  margin-bottom: 30px;
}
.page-faq .faq-sec__head .section-label {
  display: inline-block;
  margin-bottom: 10px;
}
.page-faq .faq-sec__head .section-title {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  letter-spacing: -0.01em;
}
.page-faq .faq-sec__desc {
  margin: 0;
  max-width: 620px;
  color: var(--c-light);
  font-size: 15px;
  line-height: 1.7;
}

/* ===== 热门问题 ===== */
.page-faq .faq-hot {
  margin-top: 40px;
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
  background:
    linear-gradient(120deg, rgba(0, 232, 143, 0.07) 0%, transparent 38%),
    var(--faq-bg-deep);
}
.page-faq .faq-hot__grid {
  display: grid;
  gap: 24px;
}
.page-faq .faq-hot__guide {
  padding: 14px;
  background: var(--faq-panel);
  border: var(--faq-line);
  box-shadow: var(--faq-shadow);
  transform: rotate(-0.6deg);
}
.page-faq .faq-hot__guide .faq-img {
  box-shadow: none;
  border: 1px solid var(--c-border);
}
.page-faq .faq-hot__guide-note {
  margin: 12px 2px 10px;
  color: var(--c-light);
  font-size: 13px;
  font-weight: 600;
}
.page-faq .faq-hot__guide-link {
  display: inline-block;
  margin-left: 2px;
  color: var(--c-green);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
}
.page-faq .faq-hot__guide-link span {
  display: inline-block;
  margin-left: 4px;
  transition: transform var(--t-fast);
}
.page-faq .faq-hot__guide-link:hover span {
  transform: translateX(4px);
}
.page-faq .faq-hot__list {
  min-width: 0;
}

/* ===== 折叠面板 ===== */
.page-faq .faq-acc {
  display: block;
}
.page-faq .faq-acc__item {
  margin-bottom: 14px;
  background: rgba(16, 31, 66, 0.72);
  border: var(--faq-line);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.page-faq .faq-acc__item:hover {
  border-color: var(--c-blue);
}
.page-faq .faq-acc__q {
  margin: 0;
}
.page-faq .faq-acc__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 17px 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
}
.page-faq .faq-acc__qtext {
  flex: 1;
}
.page-faq .faq-acc__btn .accordion__indicator {
  flex: 0 0 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-border);
  color: var(--c-green);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.page-faq .faq-acc__btn .accordion__indicator::before {
  content: "+";
  font-size: 18px;
  line-height: 1;
}
.page-faq .faq-acc__item:has(.faq-acc__btn[aria-expanded="true"]) {
  border-color: var(--c-green);
}
.page-faq .faq-acc__item:has(.faq-acc__btn[aria-expanded="true"]) .accordion__indicator {
  border-color: var(--c-green);
  background: rgba(0, 232, 143, 0.08);
}
.page-faq .faq-acc__item:has(.faq-acc__btn[aria-expanded="true"]) .accordion__indicator::before {
  content: "−";
}
.page-faq .faq-acc__a {
  padding: 2px 18px 20px;
  color: var(--c-light);
  font-size: 14px;
  line-height: 1.75;
}
.page-faq .faq-acc__a p {
  margin: 0;
}
.page-faq .faq-acc__a p + p {
  margin-top: 8px;
}
.page-faq .faq-acc__a a {
  color: var(--c-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 分类索引控制台 ===== */
.page-faq .faq-guide {
  margin-top: 20px;
}
.page-faq .faq-guide__console {
  display: block;
  background: rgba(8, 19, 42, 0.55);
  border: var(--faq-line);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-guide__sidebar {
  padding: 12px 10px;
  background: var(--faq-panel);
  border-bottom: var(--faq-line);
}
.page-faq .faq-guide__nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-guide__link {
  --cat-c: var(--c-green);
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 10px 12px;
  border: 1px solid var(--c-border);
  color: var(--c-light);
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.page-faq .faq-guide__link:hover {
  color: var(--c-white);
  border-color: var(--cat-c);
  background: rgba(255, 255, 255, 0.04);
}
.page-faq .faq-guide__link--download { --cat-c: var(--c-green); }
.page-faq .faq-guide__link--version { --cat-c: var(--c-orange); }
.page-faq .faq-guide__link--injury { --cat-c: var(--c-blue); }
.page-faq .faq-guide__link--feedback { --cat-c: var(--c-violet); }
.page-faq .faq-guide__link--privacy { --cat-c: var(--c-green); }
.page-faq .faq-guide__idx {
  padding: 1px 4px;
  border: 1px solid currentColor;
  color: var(--cat-c);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 800;
}
.page-faq .faq-guide__name {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.page-faq .faq-guide__count {
  margin-left: 2px;
  padding: 1px 5px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-light);
  font-size: 11px;
}
.page-faq .faq-guide__tip {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 10px 4px 0;
  padding-top: 10px;
  border-top: 1px dashed var(--c-border);
  color: var(--c-light);
  font-size: 12px;
}
.page-faq .faq-guide__tip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-orange);
}
.page-faq .faq-guide__panels {
  min-width: 0;
  padding: 18px 14px;
}
.page-faq .faq-cat {
  --cat-c: var(--c-green);
  margin-bottom: 26px;
  background: rgba(16, 31, 66, 0.5);
  border: var(--faq-line);
  transition: border-color var(--t-mid), box-shadow var(--t-mid);
  scroll-margin-top: 24px;
}
.page-faq .faq-cat:target {
  border-color: var(--cat-c);
  box-shadow: 0 0 0 1px var(--cat-c);
}
.page-faq .faq-cat--download { --cat-c: var(--c-green); }
.page-faq .faq-cat--version { --cat-c: var(--c-orange); }
.page-faq .faq-cat--injury { --cat-c: var(--c-blue); }
.page-faq .faq-cat--feedback { --cat-c: var(--c-violet); }
.page-faq .faq-cat--privacy { --cat-c: var(--c-green); }
.page-faq .faq-cat__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px 12px;
  border-bottom: 1px dashed var(--c-border);
}
.page-faq .faq-cat__titles {
  min-width: 0;
}
.page-faq .faq-cat__num {
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  color: var(--cat-c);
  text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
}
.page-faq .faq-cat__title {
  margin: 0;
  color: var(--c-white);
  font-size: 19px;
  font-weight: 800;
}
.page-faq .faq-cat__sub {
  margin: 5px 0 0;
  color: var(--c-light);
  font-size: 13px;
  line-height: 1.5;
}
.page-faq .faq-cat .faq-acc {
  padding: 16px 16px 6px;
}
.page-faq .faq-guide__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding: 12px 18px;
  border-top: var(--faq-line);
  background: rgba(0, 0, 0, 0.24);
  color: var(--c-light);
  font-size: 13px;
}
.page-faq .faq-guide__foot b {
  color: var(--c-green);
  font-family: var(--font-head);
}
.page-faq .faq-guide__foot-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 5px;
  border-radius: 50%;
  background: var(--c-orange);
  animation: faqBlink 1.6s ease-in-out infinite;
}

/* ===== 联系支持 ===== */
.page-faq .faq-contact {
  margin-top: 24px;
  border-top: var(--faq-line);
  background:
    linear-gradient(120deg, rgba(255, 107, 53, 0.07) 0%, transparent 40%),
    var(--faq-bg-deep);
}
.page-faq .faq-contact__grid {
  display: grid;
  gap: 18px;
}
.page-faq .faq-contact__card {
  --card-c: var(--c-green);
  position: relative;
  padding: 26px 20px 20px;
  background: var(--faq-panel);
  border: var(--faq-line);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-contact__card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 18px;
  width: 48px;
  height: 4px;
  background: var(--card-c);
  transform: skewX(-30deg);
}
.page-faq .faq-contact__card--support { --card-c: var(--c-green); }
.page-faq .faq-contact__card--phone { --card-c: var(--c-orange); }
.page-faq .faq-contact__card--coop { --card-c: var(--c-blue); }
.page-faq .faq-contact__glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border: 1px solid var(--card-c);
  color: var(--card-c);
  background: rgba(255, 255, 255, 0.03);
}
.page-faq .faq-contact__glyph svg {
  display: block;
  width: 20px;
  height: 20px;
}
.page-faq .faq-contact__title {
  margin: 0 0 6px;
  color: var(--c-white);
  font-size: 16px;
  font-weight: 800;
}
.page-faq .faq-contact__value {
  margin: 0 0 8px;
  color: var(--card-c);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  word-break: break-all;
}
.page-faq .faq-contact__note {
  margin: 0;
  color: var(--c-light);
  font-size: 13px;
  line-height: 1.6;
}
.page-faq .faq-contact__tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 3px solid var(--c-violet);
  background: rgba(0, 0, 0, 0.22);
}
.page-faq .faq-contact__addr {
  margin: 0;
  color: var(--c-light);
  font-size: 14px;
}
.page-faq .faq-contact__more {
  color: var(--c-orange);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
}
.page-faq .faq-contact__more:hover {
  color: var(--c-white);
}

/* ===== 关键帧 ===== */
@keyframes faqPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0, 232, 143, 0.25); }
  50% { box-shadow: 0 0 0 9px rgba(0, 232, 143, 0.04); }
}
@keyframes faqBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== 响应式断点 ===== */
@media (min-width: 700px) {
  .page-faq .faq-sec {
    padding: 52px 24px;
  }
  .page-faq .faq-hot__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }
  .page-faq .faq-hot__guide {
    position: sticky;
    top: 24px;
  }
  .page-faq .faq-guide__panels {
    padding: 24px 22px;
  }
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    padding-top: 48px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 56px;
    padding: 28px 0 48px;
  }
  .page-faq .faq-hero__title {
    font-size: clamp(2.6rem, 5vw, 4.2rem);
  }
  .page-faq .faq-sec {
    padding: 64px 24px;
  }
  .page-faq .faq-guide__console {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
  }
  .page-faq .faq-guide__sidebar {
    position: sticky;
    top: 24px;
    align-self: start;
    padding: 18px 14px;
    border-bottom: none;
    border-right: var(--faq-line);
  }
  .page-faq .faq-guide__nav {
    flex-direction: column;
    gap: 8px;
  }
  .page-faq .faq-guide__link {
    flex: none;
  }
  .page-faq .faq-guide__foot {
    grid-column: 1 / -1;
  }
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    gap: 72px;
  }
  .page-faq .faq-guide__console {
    grid-template-columns: 280px minmax(0, 1fr);
  }
}