.page-faq {
  color: var(--paper);
  background: var(--ink);
  padding-bottom: 16px;
}

.page-faq .label {
  color: var(--mute);
}

.page-faq .crumbs {
  padding-top: 18px;
  font-size: 0.75rem;
}

.page-faq .crumbs a {
  color: var(--mute);
}

.page-faq .crumbs a:hover {
  color: var(--cyan);
}

.page-faq .crumbs span[aria-current="page"] {
  color: var(--paper);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 22px 0 34px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(53, 242, 224, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 53, 80, 0.28) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 10px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 242, 224, 0.16), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  color: var(--mute);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-status {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 24px 0 0;
  padding: 0;
  color: var(--mute);
  font-size: 0.8125rem;
}

.page-faq .faq-status li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-hero__board {
  align-self: start;
  padding: 18px;
  background: linear-gradient(150deg, rgba(12, 27, 46, 0.97), rgba(7, 17, 31, 0.99));
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-faq .faq-hero__board-note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--mute);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* 周次刻度 */
.page-faq .week-scale {
  display: grid;
  gap: 2px;
  margin-top: 14px;
}

.page-faq .week-scale__row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 54px;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-top: 1px solid rgba(28, 53, 80, 0.55);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--mute);
}

.page-faq .week-scale__row--live {
  background: rgba(53, 242, 224, 0.08);
  border-left: 2px solid var(--cyan);
  color: var(--paper);
}

.page-faq .week-scale__num {
  font-size: 0.9375rem;
  color: var(--paper);
}

.page-faq .week-scale__row--live .week-scale__num {
  color: var(--cyan);
}

.page-faq .week-scale__bar {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--line);
  transform-origin: left center;
}

.page-faq .week-scale__row--done .week-scale__bar {
  width: 58%;
  background: var(--line);
}

.page-faq .week-scale__row--live .week-scale__bar {
  width: 84%;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-faq .week-scale__row--next .week-scale__bar {
  width: 34%;
  background: rgba(140, 163, 184, 0.3);
}

.page-faq .week-scale__state {
  text-align: right;
  white-space: nowrap;
}

.page-faq .week-scale__row--live .week-scale__state {
  color: var(--green);
}

/* 周次切换条 */
.page-faq .faq-weekbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-weekbar__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--mute);
  text-transform: uppercase;
}

.page-faq .faq-weekbar__track {
  display: flex;
  gap: 6px;
  flex: 1 1 240px;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.page-faq .week-pill {
  flex: none;
  padding: 4px 9px;
  border: 1px solid var(--line);
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  white-space: nowrap;
}

.page-faq .week-pill--current {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-weekbar__note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--mute);
  font-size: 0.6875rem;
  white-space: nowrap;
}

/* 章节通用 */
.page-faq .chapter {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .chapter__index {
  flex: none;
  padding: 2px 6px;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.page-faq .chapter__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.3;
}

/* 第12周赛程 */
.page-faq .faq-week {
  padding: 34px 0 12px;
  scroll-margin-top: 86px;
}

.page-faq .faq-week__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-steps__intro {
  margin: 0 0 20px;
  color: var(--mute);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-faq .faq-steps__list {
  position: relative;
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps__list::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 12px;
  bottom: 12px;
  border-left: 1px dashed rgba(53, 242, 224, 0.38);
}

.page-faq .faq-steps__list li {
  counter-increment: step;
  position: relative;
  padding: 0 0 24px 56px;
}

.page-faq .faq-steps__list li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps__list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

.page-faq .faq-steps__list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--paper);
  font-size: 1rem;
  line-height: 1.5;
}

.page-faq .faq-steps__list p {
  margin: 0;
  color: var(--mute);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-faq .faq-note {
  margin: 20px 0 0;
  padding: 10px 14px;
  background: rgba(61, 220, 132, 0.07);
  border-left: 2px solid var(--green);
  color: var(--mute);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-faq .faq-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-note a:hover {
  color: var(--paper);
}

.page-faq .faq-phone {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  position: relative;
}

.page-faq .faq-phone img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 1100;
  object-fit: cover;
}

.page-faq .faq-phone figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--mute);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* 索引与答案 */
.page-faq .faq-body {
  display: grid;
  gap: 28px;
  padding: 26px 0 34px;
}

.page-faq .faq-index {
  padding: 18px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-faq .faq-index .label {
  display: block;
  margin: 0 0 12px;
}

.page-faq .faq-index nav {
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: block;
  padding: 9px 8px 9px 12px;
  border-left: 2px solid transparent;
  color: var(--mute);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.22s var(--ease), background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  background: rgba(53, 242, 224, 0.07);
}

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(53, 242, 224, 0.08);
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--mute);
  font-size: 0.75rem;
  line-height: 1.65;
}

.page-faq .faq-answers {
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-faq .faq-answers > section {
  min-width: 0;
  scroll-margin-top: 90px;
}

.page-faq .faq-sec-head {
  margin-bottom: 14px;
}

.page-faq .faq-sec-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3.6vw, 1.6rem);
  font-weight: 600;
}

.page-faq .faq-sec-head p {
  margin: 5px 0 0;
  color: var(--mute);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-faq .faq-figure {
  margin: 0 0 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  position: relative;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  object-fit: cover;
}

.page-faq .faq-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(53, 242, 224, 0.05) 0,
    rgba(53, 242, 224, 0.05) 1px,
    transparent 1px,
    transparent 5px
  );
  pointer-events: none;
}

.page-faq .faq-figure figcaption {
  position: relative;
  z-index: 1;
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.92);
  color: var(--mute);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* 手风琴 */
.page-faq .qa {
  margin-top: 8px;
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.page-faq .qa[open] {
  border-left: 3px solid var(--cyan);
  background: var(--ink-3);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .qa summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa summary::after {
  content: "+";
  flex: none;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.3;
}

.page-faq .qa[open] summary::after {
  content: "−";
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  color: var(--mute);
  font-size: 0.9rem;
  line-height: 1.78;
}

.page-faq .qa__a p {
  margin: 0 0 8px;
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a strong {
  color: var(--paper);
}

/* 下载与设备 */
.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-list li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-top: 1px solid rgba(28, 53, 80, 0.6);
  color: var(--mute);
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 21px;
  width: 6px;
  height: 6px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-faq .faq-list strong {
  color: var(--paper);
}

.page-faq .faq-device-grid {
  display: grid;
  gap: 18px;
}

.page-faq .device-item {
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-faq .device-item h3 {
  margin: 0 0 5px;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.page-faq .device-item p {
  margin: 0;
  color: var(--mute);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* 入口表格 */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-faq .faq-table th {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-align: left;
}

.page-faq .faq-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(28, 53, 80, 0.5);
  color: var(--paper);
  vertical-align: top;
  line-height: 1.6;
}

.page-faq .faq-table tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table td:nth-child(2) {
  color: var(--mute);
}

.page-faq .faq-table th:last-child,
.page-faq .faq-table td:last-child {
  text-align: right;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  white-space: nowrap;
}

/* 人工支持 */
.page-faq .faq-support {
  padding: 26px 20px;
  border: 1px solid var(--line);
  background:
    linear-gradient(118deg, rgba(53, 242, 224, 0.1), rgba(12, 27, 46, 0.92) 46%, rgba(255, 122, 47, 0.09));
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.page-faq .faq-support h2 {
  margin: 8px 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 4vw, 1.6rem);
  font-weight: 600;
}

.page-faq .faq-support > p:not(.label) {
  margin: 0;
  max-width: 64ch;
  color: var(--mute);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-support__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 16px;
  color: var(--mute);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* 断点 */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding-top: 28px;
  }

  .page-faq .faq-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-faq .faq-device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support {
    padding: 30px 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-week__grid {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 340px);
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-phone {
    margin-top: 4px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-weekbar {
    position: sticky;
    top: 0;
    z-index: 3;
    background: rgba(12, 27, 46, 0.96);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.26);
  }

  .page-faq .faq-body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 78px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link {
    transition: none;
  }
}