/* ===== 观赛知识库 /knowledge/ ===== */
.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* --- 面包屑 --- */
.page-faq .breadcrumbs {
  padding: calc(var(--pad) * .7) 0 0;
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .04em;
}
.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ash);
}
.page-faq .breadcrumb-list li + li::before {
  content: "/";
  color: var(--ash);
}
.page-faq .breadcrumb-list a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.page-faq .breadcrumb-list a:hover {
  border-bottom-color: var(--ink);
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5.5vw, 76px) 0 clamp(30px, 4.5vw, 60px);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -110px;
  top: 14%;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(30, 89, 69, .34);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero__inner .chapter-tag {
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .1em;
  color: var(--line);
  margin: 0;
}
.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 76px);
  line-height: 1.12;
  letter-spacing: -.02em;
  max-width: 14em;
}
.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: var(--step-base);
  line-height: 1.85;
  color: var(--ink);
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 6px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid rgba(15, 15, 13, .16);
  font-family: var(--font-mono);
  font-size: var(--step-sm);
  letter-spacing: .04em;
}
.page-faq .faq-hero__stats .mono {
  color: var(--line);
  font-weight: 700;
  margin-right: 6px;
}

/* --- 区块通用标题 --- */
.page-faq .faq-head {
  margin-bottom: clamp(22px, 3vw, 36px);
}
.page-faq .faq-head .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .12em;
  color: var(--line);
}
.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 44px);
  line-height: 1.25;
  letter-spacing: -.02em;
}

/* --- 高频问答（深底） --- */
.page-faq .faq-quick {
  position: relative;
  background: var(--night);
  color: var(--paper);
  padding: clamp(44px, 6vw, 84px) 0;
  overflow: hidden;
}
.page-faq .faq-quick::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(242, 233, 216, .045) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(242, 233, 216, .045) 0 1px, transparent 1px 26px);
  pointer-events: none;
}
.page-faq .faq-quick .wrap {
  position: relative;
  z-index: 1;
}
.page-faq .faq-quick .faq-head .eyebrow {
  color: var(--lime);
}
.page-faq .faq-quick .faq-head__title {
  color: var(--paper);
}
.page-faq .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .quick-item {
  background: var(--mid);
  padding: clamp(20px, 3vw, 30px);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: background .24s var(--ease);
}
.page-faq .quick-item:hover {
  background: #164432;
}
.page-faq .quick-q {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--step-sm);
  letter-spacing: .04em;
  color: var(--lime);
}
.page-faq .quick-a {
  margin: 0;
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.6;
  font-weight: 600;
  color: var(--paper);
  max-width: 24em;
}

/* --- 主题索引 + 问答流 --- */
.page-faq .faq-topics {
  padding: clamp(46px, 6vw, 88px) 0 clamp(30px, 4vw, 54px);
}
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}
.page-faq .faq-index {
  border: 1px solid rgba(15, 15, 13, .16);
  background: var(--paper-2);
  padding: 18px 16px;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .12em;
  color: var(--line);
}
.page-faq .faq-index__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  text-decoration: none;
  color: var(--ink);
  font-size: var(--step-base);
  border-left: 2px solid transparent;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--line);
  background: var(--paper);
}
.page-faq .faq-index__list a .mono:last-child {
  margin-left: auto;
  font-size: var(--step-xs);
  color: var(--line);
}
.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(15, 15, 13, .14);
  font-size: var(--step-sm);
  line-height: 1.75;
  color: var(--ink);
}
.page-faq .faq-dot {
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
}
.page-faq .faq-dot--time { background: var(--orange); }
.page-faq .faq-dot--seat { background: var(--jade); }
.page-faq .faq-dot--route { background: var(--line); }
.page-faq .faq-dot--data { background: var(--sand); }

.page-faq .faq-group {
  margin-bottom: clamp(34px, 5vw, 58px);
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-faq .faq-group:last-child {
  margin-bottom: 0;
}
.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 30px);
  letter-spacing: -.01em;
}
.page-faq .faq-group__title .mono {
  font-size: var(--step-sm);
  color: var(--line);
}
.page-faq .faq-group__note {
  margin: 0 0 16px;
  font-size: var(--step-sm);
  line-height: 1.7;
  color: var(--ink);
}

/* --- 折叠问答 --- */
.page-faq .qa {
  border-top: 1px solid rgba(15, 15, 13, .16);
}
.page-faq .qa:last-of-type {
  border-bottom: 1px solid rgba(15, 15, 13, .16);
}
.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  font-size: var(--step-base);
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
}
.page-faq .qa__q::-webkit-details-marker {
  display: none;
}
.page-faq .qa__q::before {
  content: "+";
  flex: none;
  width: 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  color: var(--line);
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.page-faq .qa[open] .qa__q::before {
  content: "–";
  color: var(--ink);
}
.page-faq .qa__q:hover::before {
  color: var(--ink);
}
.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--line);
  outline-offset: 2px;
}
.page-faq .qa__a {
  padding: 0 4px 20px 34px;
  max-width: 34em;
  font-size: var(--step-base);
  line-height: 1.85;
  color: var(--ink);
}
.page-faq .qa__a p {
  margin: 0;
}

/* --- 配图 --- */
.page-faq .faq-figure {
  margin: 22px 0 26px;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(15, 15, 13, .16);
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: var(--step-xs);
  line-height: 1.7;
  color: var(--ink);
  letter-spacing: .02em;
}

/* --- 五分钟入门 --- */
.page-faq .faq-start {
  background: var(--paper-2);
  padding: clamp(46px, 6vw, 84px) 0;
}
.page-faq .start-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.page-faq .start-step {
  background: var(--paper);
  padding: clamp(20px, 2.6vw, 28px);
  border-left: 3px solid var(--line);
  transition: border-left-color .24s var(--ease);
}
.page-faq .start-step:hover {
  border-left-color: var(--ink);
}
.page-faq .start-step__no {
  display: block;
  margin-bottom: 10px;
  font-size: var(--step-sm);
  letter-spacing: .1em;
  color: var(--line);
}
.page-faq .start-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-lg);
  font-weight: 800;
  letter-spacing: -.01em;
}
.page-faq .start-step p {
  margin: 0;
  font-size: var(--step-base);
  line-height: 1.8;
  color: var(--ink);
}

/* --- 术语词典 --- */
.page-faq .faq-glossary {
  padding: clamp(46px, 6vw, 84px) 0;
}
.page-faq .glossary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  border-top: 2px solid var(--ink);
}
.page-faq .glossary__item {
  display: grid;
  gap: 6px;
  padding: 16px 4px;
  border-bottom: 1px solid rgba(15, 15, 13, .16);
}
.page-faq .glossary__item dt {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-base);
  letter-spacing: -.01em;
}
.page-faq .glossary__item dd {
  margin: 0;
  font-size: var(--step-base);
  line-height: 1.8;
  color: var(--ink);
}

/* --- 底部联系 --- */
.page-faq .faq-contact {
  position: relative;
  background: var(--night);
  color: var(--paper);
  padding: clamp(46px, 6vw, 88px) 0;
  overflow: hidden;
}
.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(201, 242, 39, .28);
  border-radius: 50%;
  pointer-events: none;
}
.page-faq .faq-contact__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}
.page-faq .faq-contact__lead .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .12em;
  color: var(--lime);
}
.page-faq .faq-contact__lead h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-faq .faq-contact__lead p {
  margin: 0 0 22px;
  max-width: 32em;
  font-size: var(--step-base);
  line-height: 1.85;
  color: var(--paper);
}
.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .faq-contact__list li {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--mid);
}
.page-faq .faq-contact__list .mono {
  font-size: var(--step-xs);
  letter-spacing: .12em;
  color: var(--lime);
}
.page-faq .faq-contact__list span:last-child {
  font-size: var(--step-base);
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}
.page-faq .faq-contact__more {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: var(--step-sm);
  line-height: 1.8;
  color: var(--paper);
}
.page-faq .faq-contact__more a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 242, 39, .5);
}
.page-faq .faq-contact__more a:hover {
  border-bottom-color: var(--lime);
}

/* --- 平板 --- */
@media (min-width: 700px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .start-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .glossary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

/* --- 桌面 --- */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(190px, 240px) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
  .page-faq .qa__q {
    padding: 20px 4px;
  }
  .page-faq .start-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-faq .start-step {
    border-left: 0;
    border-top: 3px solid var(--line);
    padding: 22px 18px 24px 0;
    background: transparent;
  }
  .page-faq .start-step:hover {
    border-top-color: var(--ink);
  }
  .page-faq .faq-figure--wide {
    margin-left: clamp(0px, 2vw, 32px);
  }
}

/* --- 大字距与减少动效 --- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-item,
  .page-faq .faq-index__list a,
  .page-faq .qa__q::before,
  .page-faq .start-step,
  .page-faq .breadcrumb-list a {
    transition: none;
  }
}