.page-faq {
  --faq-gap: 22px;
  --faq-anchor-ring: rgba(255, 194, 75, .42);
  color: var(--text);
}

/* 顶部与首屏 */
.page-faq .faq-topbar {
  padding-top: 18px;
}

.page-faq .faq-strip {
  display: flex;
  gap: 4px;
  padding: 14px 0 0;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: 20px;
}

.page-faq .faq-strip span {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--line);
}

.page-faq .faq-strip span:nth-child(1) { background: var(--flag-blue); }
.page-faq .faq-strip span:nth-child(2) { background: var(--text); opacity: .5; }
.page-faq .faq-strip span:nth-child(3) { background: var(--flag-red); }
.page-faq .faq-strip span:nth-child(4) { background: var(--flag-green); }
.page-faq .faq-strip span:nth-child(5) { background: var(--flag-yellow); }

.page-faq .faq-hero {
  padding: 24px 0 38px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero__lead .type-eyebrow {
  color: var(--amber);
  margin: 0 0 14px;
}

.page-faq .faq-hero__lead .type-lede {
  margin: 18px 0 0;
  max-width: 48ch;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--panel);
}

.page-faq .faq-fact__num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -.01em;
}

.page-faq .faq-fact__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  letter-spacing: .04em;
}

/* 三栏总览 */
.page-faq .faq-overview {
  padding: 6px 0 44px;
}

.page-faq .faq-head {
  margin-bottom: 26px;
}

.page-faq .faq-head .section-num {
  display: inline-block;
  color: var(--tiger);
  font-size: 12px;
  letter-spacing: .14em;
  margin-bottom: 8px;
}

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

.page-faq .faq-head__sub {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-matrix {
  display: grid;
  gap: 14px;
}

.page-faq .faq-col {
  display: block;
  position: relative;
  padding: 22px 20px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  text-decoration: none;
  color: inherit;
  transition: transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-col:hover,
.page-faq .faq-col:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-faq .faq-col__num {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: 12px;
}

.page-faq .faq-col__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .faq-col__text {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-col__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
}

.page-faq .faq-col__link::after {
  content: "→";
  transition: transform .24s var(--ease);
}

.page-faq .faq-col:hover .faq-col__link::after {
  transform: translateX(4px);
}

.page-faq .faq-col--anchor {
  background: var(--panel-2);
  border-color: var(--faq-anchor-ring);
  box-shadow: 0 0 0 1px rgba(255, 194, 75, .12), 0 22px 48px -30px rgba(255, 194, 75, .55);
}

.page-faq .faq-col--anchor .faq-col__num {
  color: var(--amber);
}

.page-faq .faq-col--anchor:hover,
.page-faq .faq-col--anchor:focus-visible {
  border-color: var(--amber);
}

.page-faq .faq-overview__media {
  margin: 26px 0 0;
}

.page-faq .media-caption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

/* 目录 + 正文双栏 */
.page-faq .faq-body {
  display: grid;
  gap: 22px;
  padding-bottom: 64px;
}

.page-faq .faq-toc {
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-toc__list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-toc__list .type-mono {
  font-size: 11px;
  color: var(--amber);
}

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

/* 文档区块通用 */
.page-faq .doc-block {
  padding: 28px 0 34px;
  scroll-margin-top: 88px;
}

.page-faq .doc-block + .doc-block {
  border-top: 1px solid var(--line);
}

.page-faq .doc-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-faq .doc-block__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 28px;
  border-radius: 9px;
  border: 1px solid rgba(255, 122, 26, .4);
  background: rgba(255, 122, 26, .13);
  color: var(--tiger);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .doc-block__head .type-title {
  margin: 0;
}

.page-faq .doc-block__lede {
  margin: 0 0 22px;
  max-width: 66ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.page-faq .doc-block__lede a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 225, 194, .4);
}

/* 第 1 栏：核对清单 */
.page-faq .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .checklist li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-faq .checklist__num {
  font-size: 14px;
  line-height: 1.7;
  color: var(--cyan);
}

.page-faq .checklist__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
}

.page-faq .checklist p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .checklist p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 225, 194, .4);
}

/* 第 2 栏：编号流程 */
.page-faq .flow-grid {
  display: grid;
  gap: 26px;
}

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

.page-faq .flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

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

.page-faq .flow__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 40px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(255, 122, 26, .55), rgba(45, 225, 194, .3));
}

.page-faq .flow__node {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(255, 122, 26, .45);
  background: var(--panel);
  color: var(--amber);
  font-size: 13px;
}

.page-faq .flow__title {
  margin: 2px 0 7px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .flow__body p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .flow-media {
  margin: 0;
}

/* 第 3 栏：配置对照（整页视觉锚点） */
.page-faq .doc-block.doc-block--anchor {
  margin: 18px 0 8px;
  padding: 26px 18px 30px;
  background: var(--panel-2);
  border: 1px solid var(--faq-anchor-ring);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 70px -50px rgba(255, 194, 75, .7);
}

.page-faq .doc-block--anchor .doc-block__num {
  border-color: var(--faq-anchor-ring);
  background: rgba(255, 194, 75, .16);
  color: var(--amber);
}

.page-faq .spec {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink);
}

.page-faq .spec__head {
  display: none;
}

.page-faq .spec-row {
  background: var(--panel);
}

.page-faq .spec-row + .spec-row {
  border-top: 1px solid var(--line);
}

.page-faq .spec-row > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  transition: background .2s var(--ease);
}

.page-faq .spec-row > summary::-webkit-details-marker {
  display: none;
}

.page-faq .spec-row > summary:hover,
.page-faq .spec-row > summary:focus-visible {
  background: var(--panel-2);
}

.page-faq .spec-row[open] > summary {
  background: rgba(255, 194, 75, .09);
}

.page-faq .spec-row__tier {
  color: var(--amber);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
}

.page-faq .spec-row__cpu {
  color: var(--text);
  font-size: 13px;
}

.page-faq .spec-row__ram,
.page-faq .spec-row__disk,
.page-faq .spec-row__os {
  color: var(--muted);
  font-size: 12.5px;
}

.page-faq .spec-row__body {
  padding: 12px 16px 16px;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
}

.page-faq .spec-row__body p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.page-faq .spec-row__body strong {
  color: var(--sand);
  font-weight: 600;
}

@media (max-width: 899px) {
  .page-faq .spec-row__ram::before { content: "内存 "; }
  .page-faq .spec-row__disk::before { content: "存储 "; }
  .page-faq .spec-row__os::before { content: "系统 "; }
}

/* 第 4 栏：账号与设备 */
.page-faq .account-grid {
  display: grid;
  gap: 14px;
}

.page-faq .account-card {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  border-left: 3px solid rgba(124, 92, 255, .7);
}

.page-faq .account-card__k {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
}

.page-faq .account-card__v {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .account-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

/* 末尾：联络 */
.page-faq .doc-block.doc-block--final {
  margin-top: 22px;
  padding: 26px 20px 28px;
  border: 1px solid rgba(255, 122, 26, .28);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(255, 122, 26, .1), rgba(20, 26, 36, .96) 60%);
}

.page-faq .doc-block--final .doc-block__lede {
  margin-bottom: 18px;
}

.page-faq .mail-tips {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .mail-tips li {
  position: relative;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .mail-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--amber);
}

.page-faq .final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-faq .faq-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .account-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-facts {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  .page-faq .flow-grid {
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: 38px;
    align-items: start;
  }

  .page-faq .doc-block.doc-block--anchor {
    padding: 30px 26px 34px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-hero {
    padding: 30px 0 46px;
  }

  .page-faq .faq-col--anchor {
    transform: translateY(-10px);
  }

  .page-faq .faq-col--anchor:hover,
  .page-faq .faq-col--anchor:focus-visible {
    transform: translateY(-13px);
  }

  .page-faq .spec__head,
  .page-faq .spec-row > summary {
    display: grid;
    grid-template-columns: 96px minmax(0, 1.5fr) 72px 86px 128px 60px 18px;
    align-items: center;
    gap: 12px;
  }

  .page-faq .spec__head {
    padding: 12px 16px;
    background: rgba(255, 194, 75, .09);
    border-bottom: 1px solid var(--line);
    color: var(--amber);
    font-size: 11px;
    letter-spacing: .1em;
  }

  .page-faq .spec-row > summary {
    padding: 15px 16px;
  }

  .page-faq .spec-row > summary .tag {
    justify-self: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 86px;
    padding: 18px 14px;
    background: linear-gradient(180deg, rgba(20, 26, 36, .96), rgba(11, 14, 20, .96));
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-toc__list a {
    border: 0;
    border-radius: var(--r-md);
    padding: 9px 10px;
    white-space: normal;
    font-size: 13.5px;
  }

  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    background: var(--panel-2);
    color: var(--cyan);
  }

  .page-faq .faq-doc {
    padding-left: 4px;
  }
}