.page-faq {
  display: block;
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: 72px;
}

/* ---------- 面包屑上下文 ---------- */
.page-faq .breadcrumbs {
  margin: 18px 0 14px;
  font-size: 13px;
  color: var(--muted);
}
.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}
.page-faq .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--blue);
}
.page-faq .breadcrumbs__item[aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 4px;
  padding: 30px 20px 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    radial-gradient(118% 92% at 90% 2%, rgba(31, 224, 197, 0.18), transparent 60%),
    radial-gradient(86% 118% at 2% 104%, rgba(58, 46, 122, 0.62), transparent 62%),
    linear-gradient(158deg, var(--ink-700), var(--ink-900) 74%);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(216, 232, 227, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(216, 232, 227, 0.055) 1px, transparent 1px);
  background-size: 54px 54px;
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -58%;
  width: 78%;
  height: 118%;
  background: linear-gradient(118deg, rgba(255, 90, 43, 0.16), rgba(255, 90, 43, 0));
  transform: rotate(-9deg);
  pointer-events: none;
}
.page-faq .faq-hero__body,
.page-faq .faq-hero__stats {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-faq .faq-hero__text {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-hero__stats {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line-hard);
  display: grid;
  gap: 16px;
}
.page-faq .faq-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-faq .faq-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}
.page-faq .faq-hero__stats .stat__value--shot {
  color: var(--shot);
}
.page-faq .faq-hero__stats .stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}
.page-faq .faq-hero__hint {
  margin: 4px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 四类索引 ---------- */
.page-faq .faq-index {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num label"
    "num sub";
  align-items: center;
  gap: 2px 14px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(8, 43, 37, 0.72);
  text-decoration: none;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}
.page-faq .faq-index__num {
  grid-area: num;
  font-size: 20px;
  font-weight: 700;
  color: var(--muted);
  transition: color var(--t) var(--ease);
}
.page-faq .faq-index__label {
  grid-area: label;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-faq .faq-index__sub {
  grid-area: sub;
  font-size: 12px;
  color: var(--muted);
}
.page-faq .faq-index__link--device:hover,
.page-faq .faq-index__link--device:focus-visible {
  border-color: var(--cyan);
  background: rgba(31, 224, 197, 0.1);
  transform: translateY(-2px);
}
.page-faq .faq-index__link--device:hover .faq-index__num,
.page-faq .faq-index__link--device:focus-visible .faq-index__num {
  color: var(--cyan);
}
.page-faq .faq-index__link--data:hover,
.page-faq .faq-index__link--data:focus-visible {
  border-color: var(--shot);
  background: rgba(255, 90, 43, 0.1);
  transform: translateY(-2px);
}
.page-faq .faq-index__link--data:hover .faq-index__num,
.page-faq .faq-index__link--data:focus-visible .faq-index__num {
  color: var(--shot);
}
.page-faq .faq-index__link--member:hover,
.page-faq .faq-index__link--member:focus-visible {
  border-color: var(--amber);
  background: rgba(255, 194, 75, 0.1);
  transform: translateY(-2px);
}
.page-faq .faq-index__link--member:hover .faq-index__num,
.page-faq .faq-index__link--member:focus-visible .faq-index__num {
  color: var(--amber);
}
.page-faq .faq-index__link--rule:hover,
.page-faq .faq-index__link--rule:focus-visible {
  border-color: #6A5CE0;
  background: rgba(58, 46, 122, 0.38);
  transform: translateY(-2px);
}
.page-faq .faq-index__link--rule:hover .faq-index__num,
.page-faq .faq-index__link--rule:focus-visible .faq-index__num {
  color: #9E93F5;
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-block {
  margin-top: 54px;
}
.page-faq .section__index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber);
}
.page-faq .section__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-faq .section__lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}
.page-faq .faq-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(31, 224, 197, 0.07);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 设备卡片 ---------- */
.page-faq .device-grid {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}
.page-faq .device-card {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(168deg, rgba(11, 58, 49, 0.9), rgba(6, 35, 30, 0.95));
  overflow: hidden;
}
.page-faq .device-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
}
.page-faq .device-card--cyan::before {
  background: linear-gradient(90deg, var(--cyan), rgba(31, 224, 197, 0));
}
.page-faq .device-card--blue::before {
  background: linear-gradient(90deg, var(--blue), rgba(15, 143, 166, 0));
}
.page-faq .device-card--amber::before {
  background: linear-gradient(90deg, var(--amber), rgba(255, 194, 75, 0));
}
.page-faq .device-card__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .device-card__meta {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-faq .device-card__list {
  margin: 0 0 16px;
  display: grid;
  gap: 10px;
}
.page-faq .device-card__list dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-faq .device-card--blue .device-card__list dt {
  color: var(--blue);
}
.page-faq .device-card--amber .device-card__list dt {
  color: var(--amber);
}
.page-faq .device-card__list dd {
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}
.page-faq .device-card__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 224, 197, 0.4);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.page-faq .device-card__link:hover,
.page-faq .device-card__link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 四步流程 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: step;
}
.page-faq .step-item {
  position: relative;
  padding: 18px 16px 16px;
  border-radius: var(--r-md);
  background: rgba(8, 43, 37, 0.68);
  border: 1px solid var(--line-soft);
}
.page-faq .step-item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(31, 224, 197, 0));
}
.page-faq .step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}
.page-faq .step-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .step-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-figure {
  margin: 24px 0 0;
}
.page-faq .faq-figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}
.page-faq .faq-figure .media__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-side {
  margin-top: 22px;
  padding: 18px 16px;
  border: 1px dashed var(--line-hard);
  border-radius: var(--r-md);
}
.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--amber);
}
.page-faq .faq-side__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}
.page-faq .faq-side__list li {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}
.page-faq .faq-side__list strong {
  color: var(--paper);
}

/* ---------- 规则速查 ---------- */
.page-faq .rules-layout {
  margin-top: 26px;
}
.page-faq .rules-chapters {
  display: grid;
  gap: 10px;
}
.page-faq .rule-chapter {
  padding: 16px 16px 14px;
  border-radius: var(--r-md);
  border: 1px solid rgba(58, 46, 122, 0.55);
  background: linear-gradient(160deg, rgba(58, 46, 122, 0.42), rgba(6, 35, 30, 0.92));
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
}
.page-faq .rule-chapter__no {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #9E93F5;
}
.page-faq .rule-chapter__count {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}
.page-faq .rule-chapter__name {
  grid-column: 1 / -1;
  margin: 2px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .rule-chapter p {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}
.page-faq .rule-chapter .rule-chapter__count {
  margin: 0;
}

.page-faq .rules-aside {
  margin-top: 18px;
  display: grid;
  gap: 16px;
}
.page-faq .rules-aside__box {
  padding: 18px 16px;
  border-radius: var(--r-md);
  background: rgba(8, 43, 37, 0.78);
  border: 1px solid var(--line-soft);
}
.page-faq .rules-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .rules-aside__steps {
  margin: 0 0 16px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}
.page-faq .rules-aside__steps li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 赛前清单 ---------- */
.page-faq .check-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .check-item {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 14px;
  padding: 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(8, 43, 37, 0.6);
}
.page-faq .check-item__time {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--shot);
  padding-top: 2px;
}
.page-faq .check-item__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .check-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-disclosures {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}
.page-faq .disclosure {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(8, 43, 37, 0.66);
  overflow: hidden;
  transition: border-color var(--t) var(--ease);
}
.page-faq .disclosure[data-open] {
  border-color: rgba(31, 224, 197, 0.42);
}
.page-faq .disclosure__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color var(--t) var(--ease);
}
.page-faq .disclosure__trigger:hover,
.page-faq .disclosure__trigger:focus-visible {
  color: var(--cyan);
}
.page-faq .disclosure__icon {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: -4px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--t) var(--ease);
}
.page-faq .disclosure:not([data-open]) .disclosure__icon {
  transform: rotate(-45deg);
  margin-top: 0;
}
.page-faq .disclosure__panel {
  padding: 0 16px 16px;
}
.page-faq .disclosure__panel p {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.78;
  color: var(--text);
}
.page-faq .disclosure:not([data-open]) .disclosure__panel {
  display: none;
}

/* ---------- 反馈面板 ---------- */
.page-faq .feedback-panel {
  margin-top: 24px;
  padding: 22px 18px;
  display: grid;
  gap: 22px;
  border-radius: var(--r-lg);
}
.page-faq .feedback-panel__title,
.page-faq .feedback-panel__subtitle {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .feedback-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .feedback-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}
.page-faq .feedback-list .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}
.page-faq .feedback-panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-faq .feedback-panel__actions .copy-btn {
  padding: 10px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--amber);
  background: rgba(255, 194, 75, 0.12);
  color: var(--amber);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}
.page-faq .feedback-panel__actions .copy-btn:hover,
.page-faq .feedback-panel__actions .copy-btn:focus-visible {
  background: var(--amber);
  color: var(--ink-900);
}
.page-faq .copy-status {
  font-size: 13px;
  color: var(--cyan);
}
.page-faq .feedback-panel__side p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text);
}
.page-faq .feedback-panel__hint {
  padding-left: 12px;
  border-left: 2px solid var(--shot);
  color: var(--muted) !important;
  font-size: 13px !important;
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--line-hard);
}
.page-faq .faq-more__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .faq-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-more__list a {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(8, 43, 37, 0.56);
  text-decoration: none;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.page-faq .faq-more__list a:hover,
.page-faq .faq-more__list a:focus-visible {
  border-color: var(--cyan);
  transform: translateX(4px);
}
.page-faq .faq-more__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .faq-more__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 40px 34px 34px;
  }
  .page-faq .faq-hero h1 {
    font-size: 44px;
  }
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .page-faq .faq-hero__hint {
    grid-column: 1 / -1;
  }
  .page-faq .faq-index {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .page-faq .device-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .step-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .rules-chapters {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-more__list {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .section__title {
    font-size: 32px;
  }
  .page-faq .faq-block {
    margin-top: 66px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
    padding: 52px 48px 44px;
  }
  .page-faq .faq-hero h1 {
    font-size: 54px;
  }
  .page-faq .faq-hero__stats {
    margin-top: 0;
    padding-top: 0;
    padding-left: 32px;
    border-top: 0;
    border-left: 1px solid var(--line-hard);
    grid-template-columns: 1fr;
  }
  .page-faq .faq-index {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .device-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-faq .device-card:nth-child(2) {
    margin-top: 22px;
  }
  .page-faq .device-card:nth-child(3) {
    margin-top: 44px;
  }
  .page-faq .step-list {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-faq .rules-chapters {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .page-faq .rules-aside {
    margin-top: 0;
    align-content: start;
  }
  .page-faq .check-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .page-faq .check-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .page-faq .feedback-panel {
    grid-template-columns: 7fr 5fr;
    gap: 36px;
    padding: 30px 32px;
  }
  .page-faq .faq-more__list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}