.page-faq {
  --faq-speed-lines: repeating-linear-gradient(-45deg, rgba(248, 249, 250, 0.045) 0 1px, transparent 1px 7px);
  --faq-accent-bar: linear-gradient(180deg, var(--fox-orange) 0%, var(--flame-red) 55%, var(--esports-blue) 100%);
  font-family: var(--font-body);
  color: var(--deep-black);
  background: var(--deep-black);
  overflow-x: hidden;
}

/* ---------- 英雄区 ---------- */
.page-faq .page-faq__hero {
  position: relative;
  background: var(--deep-black);
  color: var(--moon-white);
  overflow: hidden;
  padding: 32px 0 48px;
}
.page-faq .page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(255, 106, 0, 0.22) 0%, transparent 42%, rgba(0, 180, 216, 0.12) 100%), var(--faq-speed-lines);
  pointer-events: none;
}
.page-faq .page-faq__hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(230, 57, 70, 0.28);
  filter: blur(28px);
  pointer-events: none;
}
.page-faq .page-faq__hero-inner {
  position: relative;
  z-index: 1;
}
.page-faq .page-faq__hero .breadcrumb {
  color: rgba(248, 249, 250, 0.62);
}
.page-faq .page-faq__hero .breadcrumb a {
  color: var(--orange-light);
}
.page-faq .page-faq__hero .breadcrumb .breadcrumb-sep {
  color: var(--fox-orange);
}
.page-faq .page-faq__hero-grid {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 30px;
}
.page-faq .page-faq__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fox-orange);
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-faq .page-faq__eyebrow::before {
  content: "//";
  color: var(--flame-red);
  font-weight: 700;
}
.page-faq .page-faq__hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.08;
  margin: 0 0 16px;
  max-width: 13em;
}
.page-faq .page-faq__lead {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(248, 249, 250, 0.82);
  max-width: 54ch;
  margin: 0 0 22px;
}
.page-faq .page-faq__hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .page-faq__hero-tags .tag {
  background: rgba(26, 26, 26, 0.72);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--moon-white);
}
.page-faq .page-faq__hero-tags .tag:hover,
.page-faq .page-faq__hero-tags .tag:focus {
  border-color: var(--fox-orange);
  color: var(--fox-orange);
}
.page-faq .img-frame.page-faq__hero-img {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.page-faq .img-frame.page-faq__hero-img img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

/* ---------- 问题地图 ---------- */
.page-faq .page-faq__map {
  background: var(--cream);
  padding: 48px 0 64px;
}
.page-faq .page-faq__map-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--iron-gray);
  background: #fff;
  border-left: 3px solid var(--esports-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 8px 14px;
  margin: 0 0 18px;
}
.page-faq .page-faq__map-head {
  margin-bottom: 12px;
}
.page-faq .page-faq__map-head .section-title {
  margin: 0;
}
.page-faq .page-faq__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 30px;
}
.page-faq .page-faq__filter-link {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(42, 42, 42, 0.18);
  color: var(--deep-black);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-faq .page-faq__filter-link:hover,
.page-faq .page-faq__filter-link:focus {
  background: var(--fox-orange);
  border-color: var(--fox-orange);
  color: #fff;
}
.page-faq .page-faq__filter-link em {
  font-style: normal;
  color: var(--flame-red);
  margin-right: 4px;
}
.page-faq .page-faq__filter-link:hover em,
.page-faq .page-faq__filter-link:focus em {
  color: #fff;
}
.page-faq .page-faq__map-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

/* 侧边目录 */
.page-faq .page-faq__map-nav {
  background: var(--blue-black);
  border-radius: var(--radius-md);
  padding: 20px;
  color: var(--moon-white);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.page-faq .page-faq__map-nav::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--faq-accent-bar);
}
.page-faq .page-faq__aside-title {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 14px;
  color: var(--fox-orange);
}
.page-faq .page-faq__map-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.page-faq .page-faq__nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: rgba(248, 249, 250, 0.85);
  text-decoration: none;
  background: transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), padding-left 0.2s var(--ease);
}
.page-faq .page-faq__nav-link span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--esports-blue);
}
.page-faq .page-faq__nav-link:hover,
.page-faq .page-faq__nav-link:focus {
  background: rgba(255, 106, 0, 0.18);
  color: #fff;
  padding-left: 16px;
}
.page-faq .page-faq__aside-note {
  font-size: 12px;
  line-height: 1.6;
  color: rgba(248, 249, 250, 0.5);
  margin: 16px 0 0;
}
.page-faq .page-faq__accordion {
  display: grid;
  gap: 36px;
}

/* 手风琴分类 */
.page-faq .page-faq__topic {
  scroll-margin-top: 130px;
}
.page-faq .page-faq__topic-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 13px;
}
.page-faq .page-faq__topic-idx {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #fff;
  background: var(--flame-red);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.page-faq .page-faq__topic-head h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0;
  letter-spacing: 0.02em;
  color: var(--deep-black);
}
.page-faq .page-faq__topic-head::after {
  content: "";
  flex: 1;
  height: 2px;
  margin-left: 10px;
  background: linear-gradient(90deg, rgba(230, 57, 70, 0.5), transparent);
}

/* FAQ 条目 */
.page-faq .page-faq__item {
  background: #fff;
  border: 1px solid rgba(42, 42, 42, 0.14);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  overflow: hidden;
}
.page-faq .page-faq__item[open] {
  border-color: rgba(255, 106, 0, 0.5);
  box-shadow: var(--shadow-sm);
}
.page-faq .page-faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px 16px 48px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--deep-black);
  position: relative;
  user-select: none;
}
.page-faq .page-faq__item summary::-webkit-details-marker {
  display: none;
}
.page-faq .page-faq__item summary::before {
  content: "+";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border: 2px solid var(--fox-orange);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--fox-orange);
  transition: transform 0.25s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}
.page-faq .page-faq__item[open] summary::before {
  transform: translateY(-50%) rotate(45deg);
  background: var(--fox-orange);
  color: #fff;
}
.page-faq .page-faq__item summary:hover {
  color: var(--flame-red);
}
.page-faq .page-faq__item summary:focus-visible {
  outline: 2px solid var(--fox-orange);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}
.page-faq .page-faq__answer {
  padding: 0 18px 18px 48px;
  color: var(--iron-gray);
  font-size: 15px;
  line-height: 1.75;
}
.page-faq .page-faq__answer p {
  margin: 0 0 10px;
}
.page-faq .page-faq__answer p:last-child {
  margin-bottom: 0;
}
.page-faq .page-faq__answer a {
  color: var(--flame-red);
  font-weight: 600;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-faq .page-faq__answer a:hover,
.page-faq .page-faq__answer a:focus {
  color: var(--fox-orange);
}
.page-faq .page-faq__item[open] .page-faq__answer {
  animation: page-faq-fade 0.25s var(--ease);
}
@keyframes page-faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 联系客服 ---------- */
.page-faq .page-faq__contact {
  background: var(--deep-brown-black);
  padding: 56px 0 60px;
  position: relative;
  overflow: hidden;
  color: var(--moon-white);
}
.page-faq .page-faq__contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 5px;
  background: var(--faq-accent-bar);
}
.page-faq .page-faq__contact::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 220px;
  background: var(--faq-speed-lines);
  opacity: 0.5;
  pointer-events: none;
}
.page-faq .page-faq__contact .section-title {
  margin: 0;
  color: var(--moon-white);
}
.page-faq .page-faq__contact-cards {
  display: grid;
  gap: 16px;
  margin: 30px 0 26px;
}
.page-faq .page-faq__contact-card {
  background: var(--deep-black);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.page-faq .page-faq__contact-card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.22), transparent 70%);
  pointer-events: none;
}
.page-faq .page-faq__contact-card--main {
  border-color: rgba(255, 106, 0, 0.45);
  background: linear-gradient(140deg, var(--deep-black) 70%, rgba(255, 106, 0, 0.08));
}
.page-faq .page-faq__contact-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange-light);
}
.page-faq .page-faq__email {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 22px);
  color: var(--fox-orange);
  font-weight: 700;
  margin: 8px 0 6px;
  word-break: break-all;
  line-height: 1.4;
}
.page-faq .page-faq__contact-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.6;
  color: var(--moon-white);
  margin: 8px 0 6px;
}
.page-faq .page-faq__contact-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(248, 249, 250, 0.72);
  margin: 0;
}
.page-faq .page-faq__contact-btn {
  margin-top: 8px;
}

/* ---------- 服务介绍 ---------- */
.page-faq .page-faq__services {
  background: var(--moon-white);
  padding: 56px 0 64px;
}
.page-faq .page-faq__services .section-title {
  margin: 0 0 30px;
}
.page-faq .page-faq__services-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}
.page-faq .page-faq__services-panel {
  display: grid;
  gap: 12px;
}
.page-faq .page-faq__service-item {
  background: var(--cream);
  border: 1px solid rgba(42, 42, 42, 0.16);
  border-left: 4px solid var(--fox-orange);
  border-radius: var(--radius-sm);
  transition: box-shadow 0.2s var(--ease), border-left-color 0.2s var(--ease);
}
.page-faq .page-faq__service-item[open] {
  box-shadow: var(--shadow-sm);
  border-left-color: var(--flame-red);
}
.page-faq .page-faq__service-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px 18px 46px;
  position: relative;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.5;
  color: var(--deep-black);
}
.page-faq .page-faq__service-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .page-faq__service-item summary::before {
  content: "\25B8";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--flame-red);
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s var(--ease);
}
.page-faq .page-faq__service-item[open] summary::before {
  transform: translateY(-50%) rotate(90deg);
}
.page-faq .page-faq__service-item summary:hover {
  color: var(--flame-red);
}
.page-faq .page-faq__service-item summary:focus-visible {
  outline: 2px solid var(--fox-orange);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}
.page-faq .page-faq__service-body {
  padding: 0 20px 20px 46px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--iron-gray);
}
.page-faq .page-faq__service-body p {
  margin: 0 0 8px;
}
.page-faq .page-faq__service-body p:last-child {
  margin-bottom: 0;
}
.page-faq .page-faq__service-body a {
  color: var(--flame-red);
  font-weight: 600;
  text-underline-offset: 3px;
}
.page-faq .page-faq__service-body a:hover,
.page-faq .page-faq__service-body a:focus {
  color: var(--fox-orange);
}
.page-faq .page-faq__services-media {
  display: grid;
  gap: 14px;
}
.page-faq .img-frame.page-faq__services-img {
  aspect-ratio: 2 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.page-faq .img-frame.page-faq__services-img img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-md);
}
.page-faq .page-faq__services-note {
  background: var(--cream);
  border: 1px dashed rgba(42, 42, 42, 0.32);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--deep-black);
  margin: 0;
}
.page-faq .page-faq__services-note strong {
  color: var(--flame-red);
  font-weight: 700;
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 760px) {
  .page-faq .page-faq__hero {
    padding: 48px 0 64px;
  }
  .page-faq .page-faq__hero-grid {
    grid-template-columns: 1fr 300px;
    gap: 40px;
  }
  .page-faq .page-faq__map,
  .page-faq .page-faq__contact,
  .page-faq .page-faq__services {
    padding-top: 64px;
    padding-bottom: 72px;
  }
  .page-faq .page-faq__map-grid {
    grid-template-columns: 240px 1fr;
    gap: 36px;
  }
  .page-faq .page-faq__map-nav {
    position: sticky;
    top: 96px;
  }
  .page-faq .page-faq__contact-cards {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .page-faq__contact-card--main {
    grid-column: 1 / -1;
  }
  .page-faq .page-faq__services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-faq .page-faq__hero-grid {
    grid-template-columns: 1fr 440px;
  }
  .page-faq .page-faq__map-grid {
    grid-template-columns: 280px 1fr;
    gap: 48px;
  }
  .page-faq .page-faq__contact-cards {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-faq .page-faq__contact-card--main {
    grid-column: auto;
  }
}

/* ---------- 降低动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}