/* =========================================================
   FAQ 页面专属样式
   作用域：.page-faq
   设计语言：深色网格背景 + 折叠卡片 + 斜切速度感
   ========================================================= */
.page-faq {
  --faq-grid: rgba(255, 255, 255, .04);
  --faq-card-bg: rgba(255, 255, 255, .045);
  --faq-card-line: rgba(255, 255, 255, .13);
  --faq-red: var(--c-red);
  --faq-blue: var(--c-blue);
  --faq-yellow: var(--c-yellow);
  --faq-card-radius: 4px;
  background-color: var(--c-black);
  background-image:
    linear-gradient(var(--faq-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid) 1px, transparent 1px);
  background-size: 30px 30px;
  color: var(--c-white);
  overflow-x: hidden;
  padding: 0;
}

/* ---------- 面包屑 ---------- */
.page-faq .page-faq-breadcrumb {
  padding: 1rem 0 .5rem;
}

/* ---------- 首屏 Hero ---------- */
.page-faq .page-faq-hero {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0 3rem;
}

.page-faq .page-faq-hero .exhibit-label {
  display: inline-block;
}

.page-faq .page-faq-hero h1 {
  margin: 1rem 0 .75rem;
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  transform: skewX(-2deg);
}

.page-faq .page-faq-hero-hl {
  color: var(--faq-red);
}

.page-faq .page-faq-hero-lead {
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .78);
}

.page-faq .page-faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.5rem;
}

.page-faq .page-faq-hero-figure {
  margin: 0;
}

.page-faq .page-faq-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--faq-card-radius);
  border: 1px solid var(--faq-card-line);
  background: rgba(255, 255, 255, .06);
  object-fit: cover;
}

/* ---------- 快速跳转 ---------- */
.page-faq .page-faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 3rem;
}

.page-faq .page-faq-jump-item {
  display: inline-flex;
  align-items: center;
  padding: .5rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .02em;
  background: rgba(255, 255, 255, .03);
  transition: background .3s var(--ease-out), border-color .3s var(--ease-out), color .3s var(--ease-out), transform .3s var(--ease-out);
}

.page-faq .page-faq-jump-item:hover {
  border-color: var(--faq-red);
  background: rgba(230, 57, 70, .14);
  color: #fff;
  transform: translateY(-2px) skewX(-3deg);
}

/* ---------- Section 通用 ---------- */
.page-faq .page-faq-section {
  padding: 3.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.page-faq .page-faq-section-head {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 4px solid var(--faq-red);
}

.page-faq .page-faq-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--faq-red);
  margin-bottom: .25rem;
}

.page-faq .page-faq-section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.15;
  transform: skewX(-2deg);
}

.page-faq .page-faq-section-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: .625rem;
  background: linear-gradient(90deg, var(--faq-red), transparent);
}

/* ---------- 折叠卡片列表 ---------- */
.page-faq .page-faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-faq .faq-item {
  position: relative;
  background: linear-gradient(135deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
  border: 1px solid var(--faq-card-line);
  border-left: 4px solid var(--faq-red);
  border-radius: var(--faq-card-radius);
  transition: border-color .3s var(--ease-out), background .3s var(--ease-out);
}

.page-faq .faq-item[open] {
  border-left-color: var(--faq-yellow);
  background: rgba(255, 255, 255, .07);
}

.page-faq .faq-item-q {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: 1.1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--c-white);
}

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

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

.page-faq .faq-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 2px;
  background: var(--faq-red);
  color: #fff;
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 600;
  transform: skewX(-8deg);
}

.page-faq .faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
}

.page-faq .faq-icon::before,
.page-faq .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--faq-red);
  transition: transform .3s var(--ease-out);
}

.page-faq .faq-icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-icon::after {
  transform: translateX(-50%) scaleY(0);
}

/* ---------- 答案区 ---------- */
.page-faq .faq-item-a {
  padding: 0 1.15rem 1.25rem;
  color: rgba(255, 255, 255, .82);
  line-height: 1.75;
  font-size: .95rem;
}

.page-faq .faq-item[open] .faq-item-a {
  animation: pageFaqReveal .35s var(--ease-out);
}

.page-faq .faq-item-a p {
  margin: .6rem 0;
}

.page-faq .faq-item-a p:last-of-type {
  margin-bottom: 0;
}

.page-faq mark {
  background: rgba(255, 214, 10, .22);
  color: var(--faq-yellow);
  padding: .1em .3em;
  border-radius: 2px;
}

.page-faq .faq-item-a a {
  color: var(--faq-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .3s var(--ease-out);
}

.page-faq .faq-item-a a:hover {
  color: var(--faq-yellow);
}

.page-faq .faq-more {
  margin-top: 1rem;
}

.page-faq .faq-more a {
  display: inline-block;
  color: var(--faq-blue);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(58, 134, 255, .4);
}

.page-faq .faq-more a:hover {
  color: var(--faq-yellow);
  border-bottom-color: var(--faq-yellow);
}

/* ---------- 联系列表 ---------- */
.page-faq .page-faq-contact-list {
  list-style: none;
  margin: .75rem 0;
  padding: 0;
}

.page-faq .page-faq-contact-list li {
  display: flex;
  gap: .75rem;
  padding: .35rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, .12);
  font-size: .9375rem;
}

.page-faq .page-faq-contact-list li span {
  flex-shrink: 0;
  width: 3.5em;
  font-weight: 700;
  color: var(--faq-yellow);
}

/* ---------- 赛历同步配图 ---------- */
.page-faq .page-faq-figure {
  margin: 0;
}

.page-faq .page-faq-figure-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--faq-card-radius);
  border: 1px solid var(--faq-card-line);
  background: rgba(255, 255, 255, .05);
  object-fit: cover;
}

.page-faq .page-faq-figure-cap {
  margin-top: .625rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .5);
}

/* ---------- CTA ---------- */
.page-faq .page-faq-cta {
  padding: 4rem 0;
}

.page-faq .page-faq-cta-inner {
  position: relative;
  background:
    repeating-linear-gradient(-45deg, transparent 0 10px, rgba(255, 255, 255, .03) 10px 11px),
    linear-gradient(135deg, rgba(230, 57, 70, .26), rgba(10, 10, 10, .88));
  border: 1px solid rgba(230, 57, 70, .42);
  border-radius: var(--faq-card-radius);
  padding: 2.5rem 1.5rem;
}

.page-faq .page-faq-cta-title {
  margin: .75rem 0 .5rem;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 900;
  transform: skewX(-2deg);
}

.page-faq .page-faq-cta-text {
  margin: 0 0 1.5rem;
  color: rgba(255, 255, 255, .78);
  line-height: 1.7;
}

.page-faq .page-faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
}

.page-faq .page-faq-cta-actions .btn {
  margin: 0;
}

@keyframes pageFaqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .page-faq-hero {
    padding-top: 3rem;
    padding-bottom: 4rem;
  }

  .page-faq .faq-item-q {
    padding-left: 1.4rem;
    font-size: 1.0625rem;
  }

  .page-faq .faq-item-a {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .page-faq .faq-item-a {
    padding-left: 4.25rem;
  }

  .page-faq .page-faq-section {
    padding: 4.5rem 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1100px) {
  .page-faq .page-faq-breadcrumb,
  .page-faq .page-faq-hero,
  .page-faq .page-faq-jump,
  .page-faq .page-faq-section,
  .page-faq .page-faq-cta {
    padding-left: max(1.5rem, calc((100% - 1200px) / 2));
    padding-right: max(1.5rem, calc((100% - 1200px) / 2));
  }

  .page-faq .page-faq-hero {
    grid-template-columns: 1.05fr .95fr;
    gap: 3rem;
  }

  .page-faq .page-faq-hero-figure {
    margin-left: auto;
    max-width: 100%;
  }

  .page-faq .page-faq-sync-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 2.5rem;
    align-items: center;
  }

  .page-faq .page-faq-figure {
    margin-left: auto;
  }

  .page-faq .page-faq-section-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
  }

  .page-faq .faq-item-q {
    padding: 1.25rem 1.5rem;
  }

  .page-faq .faq-item-a {
    font-size: 1rem;
  }

  .page-faq .page-faq-cta-inner {
    padding: 3.5rem 3rem;
  }
}