/* ===== 支持中心 FAQ 页面专属样式 ===== */
.page-faq {
  position: relative;
  background:
    radial-gradient(1000px 360px at -5% 0%, rgba(0, 255, 157, 0.07), transparent 60%),
    radial-gradient(800px 420px at 105% 28%, rgba(0, 196, 140, 0.1), transparent 55%),
    var(--clr-bg);
  color: var(--clr-white);
  padding-top: 1.25rem;
  padding-bottom: 4rem;
}

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

.page-faq .breadcrumbs {
  margin: 1.75rem 0 0;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumbs a {
  color: var(--clr-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .breadcrumbs a:hover {
  border-bottom-color: var(--clr-accent);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: rgba(255, 255, 255, 0.58);
}

/* ---------- 首屏标题区 ---------- */
.faq-hero {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 2.5rem 0 2.75rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent) 0%, rgba(0, 255, 157, 0.25) 55%, rgba(255, 215, 0, 0.45) 100%);
}

.faq-hero-mark {
  flex: 0 0 auto;
  width: 76px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, rgba(0, 255, 157, 0.12), transparent 65%);
  border-left: 4px solid var(--clr-accent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  transform: skewX(-10deg);
}

.faq-hero-mark-core {
  transform: skewX(10deg);
  font-family: var(--font-heading);
  font-size: 2.9rem;
  font-weight: 900;
  line-height: 1;
  color: var(--clr-accent);
}

.faq-hero-text {
  min-width: 0;
}

.faq-hero-kicker {
  margin: 0 0 0.4rem;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

.faq-hero-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.05;
  color: var(--clr-white);
}

.faq-hero-desc {
  max-width: 58ch;
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  line-height: var(--line-height);
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 索引与问答主布局 ---------- */
.faq-layout {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

.faq-index {
  background: var(--clr-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 0.9rem 1rem;
}

.faq-index-caption {
  display: none;
  margin: 0 0 0.6rem;
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

.faq-index-list {
  display: flex;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.faq-index-list::-webkit-scrollbar {
  display: none;
}

.faq-index-list li {
  flex-shrink: 0;
}

.faq-index-list a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.48rem 0.7rem;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-white);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.faq-index-list a:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-dark);
}

.faq-index-list a:hover span {
  color: var(--clr-dark);
}

.faq-index-list span {
  color: var(--clr-gold);
  font-weight: 800;
  font-size: 0.72rem;
  transition: color var(--transition-fast);
}

.faq-index-support {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.8rem;
  padding: 0.45rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-gold);
  border: 1px solid rgba(255, 215, 0, 0.38);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.faq-index-support:hover {
  background: var(--clr-gold);
  color: var(--clr-dark);
}

/* ---------- 问答区块 ---------- */
.faq-main {
  min-width: 0;
}

.faq-section {
  position: relative;
  margin-bottom: 3rem;
  padding-bottom: 2.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.faq-section:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.faq-section::after {
  content: "";
  position: absolute;
  right: -70px;
  top: 16px;
  width: 190px;
  height: 230px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-left: 4px solid rgba(255, 215, 0, 0.32);
  transform: rotate(18deg) skewX(-12deg);
  pointer-events: none;
  z-index: 0;
}

.faq-section-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.faq-section-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.62rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1;
  color: var(--clr-gold);
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.4);
  transform: skewX(-12deg);
}

.faq-section-num span {
  transform: skewX(12deg);
}

.faq-section-heading {
  min-width: 0;
}

.faq-section-tag {
  margin: 0 0 0.2rem;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

.faq-section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--clr-white);
}

.faq-section-desc {
  margin: 0.3rem 0 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--line-height);
}

.faq-section-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.faq-accordions {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-width: 0;
}

/* ---------- 手风琴 ---------- */
.faq-accordion-heading {
  margin: 0;
}

.faq-accordion-trigger {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  padding: 1.05rem 1rem;
  background: var(--clr-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 4px solid var(--clr-accent-dark);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--clr-white);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.faq-accordion-trigger:hover {
  background: rgba(255, 255, 255, 0.06);
  border-left-color: var(--clr-accent);
}

.faq-accordion-trigger[aria-expanded="true"] {
  background: rgba(0, 255, 157, 0.08);
  border-left-color: var(--clr-accent);
}

.faq-q-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: 0.15rem 0.3rem;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--clr-gold);
  border: 1px solid rgba(255, 215, 0, 0.38);
  background: rgba(255, 215, 0, 0.08);
}

.faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.faq-q-icon {
  flex: 0 0 auto;
  position: relative;
  width: 28px;
  height: 28px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.faq-q-icon::before,
.faq-q-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: currentColor;
  transition: opacity var(--transition-fast);
}

.faq-q-icon::before {
  width: 12px;
  height: 2px;
}

.faq-q-icon::after {
  width: 2px;
  height: 12px;
}

.faq-accordion-trigger[aria-expanded="true"] .faq-q-icon::after {
  opacity: 0;
}

.faq-accordion-panel {
  display: none;
  background: var(--clr-light);
  color: var(--clr-dark);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-top: 0;
}

.faq-accordion-panel[data-open] {
  display: block;
  animation: faq-panel-in var(--transition-base);
}

@keyframes faq-panel-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-accordion-panel-inner {
  padding: 1.4rem 1.25rem 1.6rem;
  font-size: 0.92rem;
  line-height: var(--line-height);
}

.faq-accordion-panel-inner p {
  margin: 0 0 0.9rem;
}

.faq-accordion-panel-inner p:last-child {
  margin-bottom: 0;
}

.faq-answer-steps {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.faq-answer-steps li {
  position: relative;
  padding-left: 1.1rem;
}

.faq-answer-steps li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--clr-accent-dark);
  font-weight: 700;
}

/* ---------- 截图视觉 ---------- */
.faq-visual {
  order: 2;
  max-width: 240px;
  margin: 0 auto;
  transform: rotate(1.5deg);
}

.faq-section-body--media-left .faq-visual {
  transform: rotate(-1.5deg);
}

.faq-visual-frame {
  position: relative;
  padding: 8px 8px 34px;
  background: linear-gradient(180deg, #26364f 0%, #141e2d 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.faq-visual-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.faq-visual-frame::after {
  content: "";
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
}

.faq-visual figcaption {
  margin-top: 0.85rem;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 故障排查提示 ---------- */
.faq-tip {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin: 3rem 0 0;
  padding: 1.2rem 1.4rem;
  background: rgba(255, 215, 0, 0.07);
  border: 1px solid rgba(255, 215, 0, 0.32);
}

.faq-tip-icon {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--clr-gold);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--clr-gold);
}

.faq-tip p {
  margin: 0;
  font-size: 0.92rem;
  line-height: var(--line-height);
  color: rgba(255, 255, 255, 0.82);
}

.faq-tip p strong {
  color: var(--clr-gold);
}

/* ---------- 底部联系卡片 ---------- */
.faq-contact {
  position: relative;
  margin-top: 3.25rem;
  padding: 1.75rem 1.5rem 1.9rem;
  background:
    linear-gradient(135deg, rgba(0, 255, 157, 0.06), transparent 42%),
    var(--clr-bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--clr-gold);
}

.faq-contact::after {
  content: "";
  position: absolute;
  right: -14px;
  bottom: -14px;
  width: 48px;
  height: 48px;
  border-right: 2px solid var(--clr-accent);
  border-bottom: 2px solid var(--clr-accent);
  pointer-events: none;
}

.faq-contact-grid {
  display: grid;
  gap: 1.8rem;
}

.faq-contact-copy .faq-section-tag {
  margin-bottom: 0.5rem;
}

.faq-contact-title {
  margin: 0 0 0.6rem;
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.2;
  color: var(--clr-white);
}

.faq-contact-desc {
  margin: 0 0 1.2rem;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: var(--line-height);
  color: rgba(255, 255, 255, 0.74);
}

.page-faq .btn-primary {
  border-radius: 2px;
  text-decoration: none;
  box-shadow: 4px 4px 0 rgba(0, 255, 157, 0.25);
}

.faq-contact-details dl {
  display: grid;
  margin: 0;
}

.faq-contact-details dl div {
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-contact-details dl div:first-child {
  padding-top: 0;
}

.faq-contact-details dt {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

.faq-contact-details dd {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--clr-white);
  word-break: break-word;
}

.faq-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.1rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.faq-contact-link:hover {
  color: var(--clr-gold);
  border-bottom-color: var(--clr-gold);
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 900px) {
  .page-faq {
    padding-top: 2rem;
  }

  .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 3rem;
  }

  .faq-index-inner {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }

  .faq-index {
    padding: 1.25rem 1.2rem;
  }

  .faq-index-caption {
    display: block;
  }

  .faq-index-list {
    display: block;
    gap: 0;
    overflow: visible;
  }

  .faq-index-list li {
    flex-shrink: 1;
  }

  .faq-index-list a {
    display: flex;
    gap: 0.7rem;
    padding: 0.65rem 0.4rem;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 0;
    white-space: normal;
    font-size: 0.88rem;
  }

  .faq-index-list a:hover {
    background: transparent;
    border-bottom-color: var(--clr-accent);
    color: var(--clr-accent);
  }

  .faq-index-list a:hover span {
    color: var(--clr-gold);
  }

  .faq-index-list span {
    font-size: 0.78rem;
  }

  .faq-section {
    margin-bottom: 4rem;
    padding-bottom: 3rem;
  }

  .faq-section-head {
    margin-bottom: 1.9rem;
  }

  .faq-section-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 2.5rem;
    align-items: start;
  }

  .faq-section-body--media-left {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .faq-section-body--media-left .faq-visual {
    grid-column: 1;
    grid-row: 1;
    margin-top: 0.35rem;
  }

  .faq-section-body--media-left .faq-accordions {
    grid-column: 2;
  }

  .faq-visual {
    margin: 0.35rem 0 0;
    max-width: 250px;
    justify-self: center;
  }

  .faq-accordion-trigger {
    padding: 1.2rem 1.2rem;
    font-size: 1rem;
  }

  .faq-accordion-panel-inner {
    padding: 1.5rem 1.4rem 1.75rem;
    font-size: 0.95rem;
  }

  .faq-tip {
    margin-top: 3.75rem;
  }

  .faq-contact {
    margin-top: 4rem;
    padding: 2.25rem 2.5rem 2.4rem;
  }

  .faq-contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: start;
  }

  .faq-contact-title {
    font-size: 1.8rem;
  }
}