.page-faq {
  --faq-rail: 1140px;
  background: var(--abyss);
  color: var(--ice);
  padding-bottom: 80px;
}

.page-faq .faq-container {
  width: 100%;
  max-width: var(--faq-rail);
  margin: 0 auto;
  padding: 0 20px;
}

.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 面包屑 */
.page-faq .faq-crumbs {
  padding: 22px 0 4px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--mist);
}
.page-faq .faq-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-crumbs li {
  display: flex;
  align-items: center;
}
.page-faq .faq-crumbs li + li::before {
  content: "/";
  padding: 0 8px;
  color: var(--hairline);
}
.page-faq .faq-crumbs a {
  color: var(--mist);
  text-decoration: none;
}
.page-faq .faq-crumbs a:hover {
  color: var(--cyan);
}
.page-faq .faq-crumbs [aria-current="page"] {
  color: var(--ice);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 54px;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 82% 6%, rgba(63, 227, 210, 0.16), transparent 62%),
    linear-gradient(118deg, rgba(22, 28, 74, 0.9) 0%, rgba(5, 10, 22, 0) 58%);
  clip-path: polygon(0 0, 100% 0, 100% 76%, 14% 100%, 0 88%);
  z-index: 0;
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -24%;
  right: -8%;
  width: 150px;
  height: 160%;
  background: linear-gradient(180deg, rgba(255, 122, 26, 0.22), rgba(255, 122, 26, 0));
  transform: rotate(14deg);
  z-index: 0;
  pointer-events: none;
}
.page-faq .faq-hero > .faq-container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 21ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.2vw, 54px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ice);
}
.page-faq .hl {
  color: var(--cyan);
}
.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-jump a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  color: var(--ice);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.page-faq .faq-jump a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(63, 227, 210, 0.06);
}

/* 布局 */
.page-faq .faq-layout {
  display: grid;
  gap: 44px;
  padding-top: 10px;
}

.page-faq .faq-section {
  padding: 34px 0;
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 96px;
}
.page-faq .faq-section:first-child {
  border-top: 0;
  padding-top: 10px;
}

.page-faq .sec-title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.4vw, 29px);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-faq .sec-sub {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 起步三条 */
.page-faq .quick-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.page-faq .quick-item {
  position: relative;
  padding: 22px 0 22px 54px;
  border-top: 1px dashed var(--hairline);
}
.page-faq .quick-item:first-child {
  border-top: 0;
}
.page-faq .quick-num {
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
}
.page-faq .quick-num::before {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-bottom: 8px;
  background: var(--orange);
}
.page-faq .quick-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ice);
}
.page-faq .quick-item p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 晚间节奏带 */
.page-faq .faq-band {
  position: relative;
  overflow: hidden;
  margin: 26px 0 0;
  padding: 30px 22px 28px;
  background: var(--panel);
  clip-path: polygon(0 22px, 22px 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-faq .faq-band__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  opacity: 0.32;
  z-index: 0;
}
.page-faq .faq-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(5, 10, 22, 0.95) 0%, rgba(5, 10, 22, 0.68) 50%, rgba(6, 42, 46, 0.86) 100%);
  z-index: 1;
  pointer-events: none;
}
.page-faq .faq-band__body {
  position: relative;
  z-index: 2;
}
.page-faq .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .timeline li {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--hairline);
}
.page-faq .timeline li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.page-faq .timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
}
.page-faq .tl-time {
  display: inline-block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}
.page-faq .timeline p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ice);
}

/* 步骤 */
.page-faq .steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-faq .step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}
.page-faq .step-key {
  font-family: var(--font-mono);
  font-size: 21px;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--amber);
}
.page-faq .step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
}
.page-faq .step p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .inline-link {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .inline-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 227, 210, 0.45);
}
.page-faq .inline-link a:hover {
  border-bottom-color: var(--cyan);
}

/* 手风琴问答 */
.page-faq .qa-list {
  margin: 24px 0 0;
  border-top: 1px solid var(--hairline);
}
.page-faq .qa {
  border-bottom: 1px solid var(--hairline);
}
.page-faq .qa > summary {
  position: relative;
  display: block;
  padding: 18px 38px 18px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ice);
  transition: color 0.2s;
}
.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.22s ease;
}
.page-faq .qa[open] > summary::before {
  transform: scaleY(1);
}
.page-faq .qa > summary::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--mist);
  transition: color 0.2s;
}
.page-faq .qa[open] > summary::after {
  content: "\2013";
  color: var(--cyan);
}
.page-faq .qa > summary:hover {
  color: var(--cyan);
}
.page-faq .qa-body {
  padding: 0 38px 20px 16px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .qa-body p {
  margin: 0;
}

/* 读比分顺序 */
.page-faq .read-order {
  list-style: none;
  counter-reset: ro;
  margin: 24px 0 0;
  padding: 0;
}
.page-faq .read-order li {
  counter-increment: ro;
  position: relative;
  padding: 18px 0 18px 44px;
  border-top: 1px solid var(--hairline);
}
.page-faq .read-order li:first-child {
  border-top: 0;
}
.page-faq .read-order li::before {
  content: counter(ro, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 21px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}
.page-faq .read-order h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
}
.page-faq .read-order p {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .misread {
  margin: 24px 0 0;
  padding: 18px 20px;
  background: var(--indigo);
  border-left: 3px solid var(--amber);
  border-radius: 2px;
}
.page-faq .misread h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
}
.page-faq .misread ul {
  margin: 10px 0 0;
  padding-left: 18px;
}
.page-faq .misread li {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-faq .misread li:last-child {
  margin-bottom: 0;
}

/* 人工帮忙 */
.page-faq .help-panel {
  margin: 24px 0 0;
  padding: 24px 20px;
  background: var(--panel);
  clip-path: polygon(0 20px, 20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-faq .faq-copy {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 100%;
  padding: 10px 14px;
  background: rgba(63, 227, 210, 0.08);
  border: 1px solid rgba(63, 227, 210, 0.35);
  border-radius: 2px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  word-break: break-all;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}
.page-faq .faq-copy:hover {
  background: rgba(63, 227, 210, 0.16);
  border-color: var(--cyan);
}
.page-faq .help-row {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
}
.page-faq .help-cell {
  min-width: 0;
}
.page-faq .help-cell--wide {
  margin-top: 16px;
}
.page-faq .help-label {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-faq .help-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ice);
  word-break: break-word;
}
.page-faq .help-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}
.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* 右侧栏 */
.page-faq .faq-aside__sticky {
  display: grid;
  gap: 20px;
}
.page-faq .density-figure {
  margin: 0;
  overflow: hidden;
  background: var(--teal);
  border: 1px solid var(--hairline);
  border-radius: 2px;
}
.page-faq .density-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.88;
}
.page-faq .density-figure figcaption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  background: var(--panel);
  border-top: 1px solid var(--hairline);
}
.page-faq .density {
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: 2px;
}
.page-faq .density__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-faq .density__bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 84px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .density__bars li {
  flex: 1;
  background: rgba(63, 227, 210, 0.22);
  border-radius: 1px 1px 0 0;
}
.page-faq .density__bars li:nth-child(1) { height: 16%; }
.page-faq .density__bars li:nth-child(2) { height: 10%; }
.page-faq .density__bars li:nth-child(3) { height: 22%; }
.page-faq .density__bars li:nth-child(4) { height: 36%; }
.page-faq .density__bars li:nth-child(5) { height: 58%; }
.page-faq .density__bars li:nth-child(6) { height: 100%; }
.page-faq .density__bars li:nth-child(7) { height: 72%; }
.page-faq .density__bars li:nth-child(8) { height: 28%; }
.page-faq .density__bars li.is-peak {
  background: linear-gradient(180deg, var(--orange), rgba(255, 122, 26, 0.34));
}
.page-faq .density__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--mist);
}
.page-faq .faq-nav {
  padding: 16px;
  background: var(--indigo);
  border-radius: 2px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}
.page-faq .faq-nav__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-faq .faq-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-nav a {
  display: block;
  padding: 8px 10px;
  color: var(--ice);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}
.page-faq .faq-nav a:hover {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(63, 227, 210, 0.07);
}

/* 中等屏幕 */
@media (min-width: 620px) {
  .page-faq .faq-container {
    padding: 0 32px;
  }
  .page-faq .faq-band {
    padding: 34px 30px 32px;
  }
  .page-faq .help-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .help-panel {
    padding: 28px 26px;
  }
}

/* 桌面双栏 */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: 56px;
    padding-top: 18px;
  }
  .page-faq .faq-aside__sticky {
    position: sticky;
    top: 92px;
  }
  .page-faq .faq-hero {
    padding: 34px 0 66px;
  }
  .page-faq .faq-section {
    padding: 42px 0;
  }
  .page-faq .quick-item {
    padding-left: 66px;
  }
  .page-faq .step {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-band {
    padding: 40px 38px 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .qa > summary,
  .page-faq .qa > summary::before,
  .page-faq .qa > summary::after,
  .page-faq .faq-copy,
  .page-faq .faq-nav a {
    transition: none;
  }
}
<<<END>>>