/* ============================================================
   page-faq · 观赛支持
   作用域限定在 .page-faq 内
   ============================================================ */

.page-faq {
  background: var(--sand);
  color: var(--text);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}
.page-faq .faq-crumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stone);
}
.page-faq .faq-crumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}
.page-faq .faq-crumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--grass);
  border-bottom-color: var(--grass);
}
.page-faq .faq-crumb [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 3.6vw, 44px) 0 clamp(40px, 7vw, 92px);
  background-color: var(--sand);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(46, 107, 63, 0.035) 0 26px,
    transparent 26px 52px
  );
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }
}
.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 8.6vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-faq .faq-hero__lead {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: 52ch;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.75;
  color: var(--text-soft);
}
.page-faq .faq-hero__figure {
  margin: 0;
  border-top: 3px solid var(--grass);
  padding-top: 10px;
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.92) contrast(1.04);
}
.page-faq .faq-hero__figure .yt-media__cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--stone);
}

/* ---------- 选型四问 ---------- */
.page-faq .faq-quiz {
  background-color: var(--ink);
  color: var(--sand);
  padding: clamp(44px, 7.5vw, 92px) 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(110, 158, 92, 0.06) 0 34px,
    transparent 34px 68px
  );
}
.page-faq .faq-quiz .yt-eyebrow {
  color: var(--moss);
}
.page-faq .faq-quiz__title {
  margin: 10px 0 0;
  color: var(--paper);
}
.page-faq .faq-quiz__intro {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--line);
}

.page-faq .faq-tabs {
  position: relative;
  display: flex;
  gap: 6px;
  margin-top: clamp(24px, 4vw, 40px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-tabs .yt-tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 1px solid rgba(201, 195, 182, 0.28);
  border-radius: var(--radius);
  color: var(--line);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(15px, 1.9vw, 18px);
  letter-spacing: 0.02em;
  padding: 10px 18px;
  cursor: pointer;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease),
    border-color 0.18s var(--ease);
}
.page-faq .faq-tabs .yt-tab:hover {
  border-color: rgba(228, 178, 60, 0.6);
  color: var(--paper);
}
.page-faq .faq-tabs .yt-tab[aria-selected="true"] {
  background: var(--ref);
  border-color: var(--ref);
  color: var(--ink);
}
.page-faq .faq-tabs .yt-tab:focus-visible {
  outline: 2px solid var(--ref);
  outline-offset: 2px;
}
.page-faq .faq-tabs .yt-tabs__ind {
  background: var(--ref);
  border-radius: 2px;
}

.page-faq .faq-quiz__body {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 3.4vw, 34px);
}
@media (min-width: 960px) {
  .page-faq .faq-quiz__body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-faq .faq-quiz__panels {
  min-width: 0;
}
.page-faq .faq-panel {
  border: 1px solid rgba(201, 195, 182, 0.18);
  border-left: 3px solid var(--moss);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 32px);
  background: rgba(232, 227, 217, 0.05);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.page-faq .faq-panel:not([data-active]) {
  display: none;
}
.page-faq .faq-panel .yt-h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--paper);
}
.page-faq .faq-panel p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--line);
}
.page-faq .faq-panel p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-chart {
  margin: 0;
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius);
  border-left: 3px solid var(--grass);
  background: rgba(22, 38, 28, 0.72);
}
.page-faq .faq-chart .yt-eyebrow {
  display: block;
  margin-bottom: 16px;
  color: var(--moss);
}
.page-faq .faq-bars {
  display: block;
  width: 100%;
  height: auto;
}
.page-faq .faq-chart__keys {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
}
.page-faq .faq-chart__keys li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 7px;
  border-bottom: 1px dashed rgba(201, 195, 182, 0.2);
  color: var(--line);
}
.page-faq .faq-chart__keys li:last-child {
  border-bottom: 0;
}
.page-faq .faq-chart__v {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ref);
  white-space: nowrap;
}

/* ---------- 查看路径 ---------- */
.page-faq .faq-how {
  padding: clamp(46px, 8vw, 100px) 0;
}
.page-faq .faq-how__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}
@media (min-width: 960px) {
  .page-faq .faq-how__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-faq .faq-how__lead {
  margin-top: 16px;
  max-width: 60ch;
  color: var(--text-soft);
}
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 720px) {
  .page-faq .faq-step {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 24px;
  }
}
.page-faq .faq-step__idx {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1;
  padding-top: 4px;
  color: var(--line);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-faq .faq-step__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-faq .faq-step__body a {
  color: var(--grass);
  text-underline-offset: 3px;
}

.page-faq .faq-glass {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--grass);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 30px);
}
@media (min-width: 960px) {
  .page-faq .faq-glass {
    position: sticky;
    top: 104px;
  }
}
.page-faq .faq-glass .yt-eyebrow {
  color: var(--grass);
}
.page-faq .faq-glass__big {
  margin: 8px 0 0;
}
.page-faq .faq-glass__big .yt-stat__value {
  font-family: var(--font-mono);
  font-size: clamp(60px, 11vw, 96px);
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--grass);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-glass__unit {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--ink);
}
.page-faq .faq-glass__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 纠错与补录 ---------- */
.page-faq .faq-report {
  padding: clamp(42px, 7.5vw, 92px) 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-report__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}
@media (min-width: 900px) {
  .page-faq .faq-report__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.22fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }
}
.page-faq .faq-report__figure {
  margin: 0;
}
.page-faq .faq-report__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}
.page-faq .faq-report__figure .yt-media__cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--stone);
}
.page-faq .faq-report__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-faq .faq-report__list {
  list-style: none;
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-faq .faq-report__list li {
  padding-left: 16px;
  border-left: 3px solid var(--ref);
}
.page-faq .faq-report__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: -0.005em;
  color: var(--ink);
}
.page-faq .faq-report__list p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-faq .faq-report__channel {
  margin: clamp(24px, 3.6vw, 34px) 0 0;
  padding: 16px 18px;
  background: var(--sand);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-faq .faq-report__channel strong {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--grass);
  word-break: break-all;
}

/* ---------- 常见问题分组 ---------- */
.page-faq .faq-qa {
  padding: clamp(46px, 8vw, 100px) 0;
}
.page-faq .faq-qa__lead {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-faq .faq-qa__groups {
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
}
.page-faq .faq-group {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-group__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(16px, 2.6vw, 26px) 0;
}
.page-faq .faq-group__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-group__summary:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: 4px;
}
.page-faq .faq-group__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 42px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}
.page-faq .faq-group[open] .faq-group__name {
  color: var(--grass);
}
.page-faq .faq-group__meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--stone);
  white-space: nowrap;
}
.page-faq .faq-group__sign {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 14px;
}
.page-faq .faq-group__sign::before,
.page-faq .faq-group__sign::after {
  content: "";
  position: absolute;
  background: var(--stone);
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease);
}
.page-faq .faq-group__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}
.page-faq .faq-group__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}
.page-faq .faq-group[open] .faq-group__sign::after {
  transform: scaleY(0);
}
.page-faq .faq-group[open] .faq-group__sign::before {
  background: var(--grass);
}

.page-faq .faq-group__body {
  padding-bottom: clamp(12px, 2vw, 22px);
}
.page-faq .faq-item {
  padding: 16px 0 16px 0;
  border-top: 1px dashed var(--line);
}
.page-faq .faq-item:first-child {
  border-top: 0;
}
@media (min-width: 720px) {
  .page-faq .faq-item {
    padding-left: clamp(0px, 2vw, 26px);
  }
}
.page-faq .faq-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.page-faq .faq-item p {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-faq .faq-item a {
  color: var(--grass);
  text-underline-offset: 3px;
}

/* ---------- 联系与时效 ---------- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
  color: var(--sand);
  padding: clamp(46px, 8vw, 100px) 0 clamp(38px, 6vw, 76px);
}
.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  top: -30%;
  height: 68%;
  background: radial-gradient(ellipse at 34% 0%, rgba(46, 107, 63, 0.55), transparent 68%);
  pointer-events: none;
}
.page-faq .faq-contact__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}
@media (min-width: 900px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    align-items: start;
  }
}
.page-faq .faq-contact__lead .yt-eyebrow {
  color: var(--moss);
}
.page-faq .faq-contact__lead .yt-h2 {
  margin: 10px 0 0;
  color: var(--paper);
}
.page-faq .faq-contact__text {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--line);
}
.page-faq .faq-contact__cards {
  display: grid;
  gap: 12px;
}
@media (min-width: 620px) {
  .page-faq .faq-contact__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-faq .faq-ccard {
  background: rgba(245, 241, 232, 0.07);
  border: 1px solid rgba(201, 195, 182, 0.2);
  border-radius: var(--radius);
  padding: 18px 20px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.page-faq .faq-ccard__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--moss);
}
.page-faq .faq-ccard__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}
.page-faq .faq-contact__flow {
  grid-column: 1 / -1;
  margin-top: clamp(6px, 1.6vw, 14px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid rgba(201, 195, 182, 0.2);
}
.page-faq .faq-contact__flow .yt-h3 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--paper);
}
.page-faq .faq-contact__flow ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
@media (min-width: 760px) {
  .page-faq .faq-contact__flow ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 32px;
  }
}
.page-faq .faq-contact__flow li {
  padding-left: 14px;
  border-left: 2px solid var(--grass);
  font-size: 15px;
  line-height: 1.8;
  color: var(--line);
}
.page-faq .faq-contact__flow strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ref);
}
@media (min-width: 760px) {
  .page-faq .faq-contact__flow strong {
    display: inline;
    margin-right: 8px;
  }
}
.page-faq .faq-contact__more {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--line);
}
.page-faq .faq-contact__more a {
  color: var(--ref);
  text-underline-offset: 3px;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tabs .yt-tab,
  .page-faq .faq-group__name,
  .page-faq .faq-group__sign::before,
  .page-faq .faq-group__sign::after,
  .page-faq .faq-crumb a {
    transition: none;
  }
}