.page-faq {
  --faq-radius: 2px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 243, 237, 0.35);
}

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

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 32px 0 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(130% 100% at 92% -20%, rgba(53, 224, 214, 0.14), transparent 62%),
    radial-gradient(90% 80% at -10% 110%, rgba(255, 138, 61, 0.08), transparent 60%),
    var(--ink);
}

.page-faq .faq-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-hero__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan);
  flex: 0 0 auto;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 7.4vw, 58px);
  line-height: 1.1;
  max-width: 17ch;
}

.page-faq .faq-hero__lead {
  margin: 0 0 28px;
  max-width: 56ch;
  font-size: 17px;
  color: var(--slate);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-fact {
  background: var(--night);
  padding: 14px 16px;
}

.page-faq .faq-fact dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-faq .faq-fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--paper);
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--cyan);
}

/* ---------- 主体栅格 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: 36px 0 72px;
}

.page-faq .faq-main {
  min-width: 0;
}

/* ---------- 章节索引 ---------- */

.page-faq .sec-index {
  min-width: 0;
}

.page-faq .sec-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-faq .sec-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .sec-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .sec-index__list > li {
  flex: 0 0 auto;
}

.page-faq .sec-index__link {
  display: block;
  padding: 7px 12px;
  font-size: 14px;
  color: var(--slate);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}

.page-faq .sec-index__link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-faq .sec-index__link[data-active],
.page-faq .sec-index__link[aria-current="true"] {
  color: var(--cyan);
  border-color: rgba(53, 224, 214, 0.55);
  background: rgba(53, 224, 214, 0.08);
}

/* ---------- 章节通用 ---------- */

.page-faq .faq-section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-head {
  margin-bottom: 24px;
}

.page-faq .faq-head .kicker {
  margin: 0 0 10px;
}

.page-faq .faq-head h2 {
  margin: 0 0 12px;
  font-size: clamp(21px, 4.4vw, 34px);
  line-height: 1.22;
  max-width: 24ch;
}

.page-faq .faq-head__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  color: var(--slate);
}

.page-faq .faq-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange-deep);
  font-size: 14px;
  color: var(--slate);
}

/* ---------- 教程卡片 ---------- */

.page-faq .tut-list {
  position: relative;
  display: grid;
  gap: 14px;
  padding-left: 30px;
}

.page-faq .tut-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan) 0%, var(--line) 45%, rgba(42, 67, 88, 0) 100%);
}

.page-faq .tut-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .tut-card::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 22px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
}

.page-faq .tut-card[open] {
  border-color: rgba(53, 224, 214, 0.45);
}

.page-faq .tut-card__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-faq .tut-card__head::-webkit-details-marker {
  display: none;
}

.page-faq .tut-card__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .tut-card__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--night);
  background: var(--cyan-soft);
  padding: 3px 7px;
  border-radius: var(--faq-radius);
  white-space: nowrap;
}

.page-faq .tut-card__body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-faq .tut-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .tut-card__hint {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--slate);
}

.page-faq .tut-card__mark {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-faq .tut-card__mark::before,
.page-faq .tut-card__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--cyan);
}

.page-faq .tut-card__mark::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .tut-card__mark::after {
  width: 1.5px;
  height: 9px;
  transition: opacity 180ms ease;
}

.page-faq .tut-card[open] .tut-card__mark::after {
  opacity: 0;
}

.page-faq .tut-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 16px 18px 20px;
  list-style: none;
  border-top: 1px solid var(--line);
  background: var(--night);
}

.page-faq .tut-steps > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  color: var(--paper);
}

.page-faq .tut-steps__no {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan);
  background: rgba(53, 224, 214, 0.1);
  border: 1px solid rgba(53, 224, 214, 0.3);
  border-radius: var(--faq-radius);
  padding: 0 6px;
}

/* ---------- 旧版入口 ---------- */

.page-faq .entry-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .entry-panel__text p {
  margin: 0 0 18px;
  max-width: 62ch;
}

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

.page-faq .entry-points {
  display: grid;
  gap: 1px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .entry-points > li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--night);
  font-size: 15px;
}

.page-faq .entry-points__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .entry-panel__figure {
  margin: 0;
  max-width: 420px;
}

.page-faq .entry-panel__figure img,
.page-faq .relogin__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* ---------- 换机登录 ---------- */

.page-faq .relogin__figure {
  margin: 0 0 26px;
  max-width: 100%;
}

.page-faq .step-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .step-flow__item {
  padding: 20px 18px 22px;
  background: var(--night);
}

.page-faq .step-flow__no {
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(53, 224, 214, 0.08);
  border: 1px solid rgba(53, 224, 214, 0.35);
  border-radius: var(--faq-radius);
}

.page-faq .step-flow__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .step-flow__item p {
  margin: 0;
  font-size: 15px;
  color: var(--slate);
}

/* ---------- 速查 ---------- */

.page-faq .quick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .quick-item {
  padding: 20px 18px;
  background: var(--panel);
}

.page-faq .quick-item__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .quick-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .quick-item p {
  margin: 0;
  font-size: 15px;
  color: var(--slate);
}

/* ---------- 求助 ---------- */

.page-faq .stuck-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-faq .stuck-prep,
.page-faq .stuck-contact {
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .stuck-prep__title,
.page-faq .stuck-contact__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 700;
}

.page-faq .stuck-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .stuck-list > li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
}

.page-faq .stuck-list__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-faq .stuck-contact__mail {
  margin: 0 0 14px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--cyan);
  background: var(--night);
  border: 1px dashed var(--line);
  border-radius: var(--faq-radius);
  word-break: break-all;
}

.page-faq .stuck-contact__body {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--slate);
}

.page-faq .stuck-contact .btn {
  margin-top: 6px;
}

.page-faq .mail-template {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--night);
  overflow: hidden;
}

.page-faq .mail-template__label {
  margin: 0;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .mail-template__body {
  margin: 0;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--cyan-soft);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 复核 ---------- */

.page-faq .review-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding-left: 18px;
  border-left: 2px solid var(--cyan);
}

.page-faq .review-row p {
  margin: 0;
  font-size: 15px;
  color: var(--slate);
}

.page-faq .review-row .mono {
  color: var(--paper);
}

/* ---------- 入场动效 ---------- */

.js .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.js .page-faq [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 520px) {
  .page-faq {
    font-size: 16px;
  }

  .page-faq .faq-hero {
    padding: 24px 0 34px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-fact {
    padding: 12px 13px;
  }

  .page-faq .faq-num {
    font-size: 18px;
  }

  .page-faq .tut-list {
    padding-left: 20px;
  }

  .page-faq .tut-list::before {
    left: 4px;
  }

  .page-faq .tut-card::before {
    left: -21px;
    width: 7px;
    height: 7px;
    top: 24px;
  }

  .page-faq .tut-card__head {
    padding: 14px 14px;
    gap: 10px;
  }

  .page-faq .tut-card__hint {
    font-size: 11px;
  }

  .page-faq .tut-steps {
    padding: 14px 14px 18px;
  }

  .page-faq .entry-points > li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .entry-panel__figure {
    max-width: 100%;
  }

  .page-faq .stuck-list > li {
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 8px;
  }

  .page-faq .stuck-prep,
  .page-faq .stuck-contact {
    padding: 18px 16px;
  }

  .page-faq .review-row {
    padding-left: 14px;
  }
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .stuck-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }

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

@media (min-width: 820px) {
  .page-faq .faq-section {
    padding: 46px 0;
  }

  .page-faq .step-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .step-flow__item {
    padding: 24px 22px 26px;
  }

  .page-faq .entry-panel {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    padding: 40px 0 54px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 188px minmax(0, 1fr);
    gap: 56px;
    padding: 56px 0 96px;
  }

  .page-faq .sec-index {
    position: sticky;
    top: calc(var(--head-h) + 26px);
    align-self: start;
  }

  .page-faq .sec-index__list {
    display: grid;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .sec-index__link {
    padding: 7px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .sec-index__link:hover {
    border-left-color: var(--cyan-soft);
  }

  .page-faq .sec-index__link[data-active],
  .page-faq .sec-index__link[aria-current="true"] {
    border: 0;
    border-left: 2px solid var(--cyan);
    background: rgba(53, 224, 214, 0.07);
  }

  .page-faq .entry-panel {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 52px;
  }
}
<<<END>>>