.page-faq {
  --faq-hair: rgba(16, 24, 32, 0.12);
  --faq-cyan-glow: rgba(77, 224, 208, 0.22);
  --faq-warm-glow: rgba(244, 123, 32, 0.18);
  padding-bottom: clamp(48px, 7vw, 96px);
  padding-top: clamp(18px, 3vw, 36px);
  color: var(--deep);
  background:
    radial-gradient(90% 55% at 100% 0, rgba(31, 111, 178, 0.09), transparent 62%),
    var(--paper);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: 16px;
  padding: clamp(26px, 5vw, 54px) clamp(20px, 4vw, 50px);
  overflow: hidden;
  color: var(--paper);
  background: linear-gradient(148deg, #0b1220 0%, #0e3a5c 54%, #123049 100%);
  box-shadow: 0 26px 52px -36px rgba(11, 18, 32, 0.85);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -12%;
  width: 58%;
  height: 176%;
  background: linear-gradient(100deg, transparent 0%, rgba(77, 224, 208, 0.15) 44%, transparent 74%);
  transform: skewX(-14deg);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange) 18%, var(--cyan) 18%, var(--cyan) 26%, transparent 26%);
  pointer-events: none;
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  color: var(--cyan);
  letter-spacing: 0.16em;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(0.95rem, 1.9vw, 1.0625rem);
  line-height: 1.78;
  color: rgba(247, 244, 239, 0.84);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-faq .faq-hero__tag-dark {
  color: var(--ice);
  background: rgba(247, 244, 239, 0.1);
  border-color: rgba(247, 244, 239, 0.24);
}

.page-faq .faq-hero__version {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.page-faq .faq-hero__vlabel {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-hero__vnum {
  font-family: var(--font-mono);
  font-size: clamp(4.4rem, 15vw, 8.4rem);
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: var(--orange);
  text-shadow: 0 0 44px var(--faq-warm-glow);
  user-select: all;
  cursor: copy;
}

.page-faq .faq-hero__vnote {
  max-width: 26ch;
  font-size: 0.8rem;
  line-height: 1.65;
  color: rgba(247, 244, 239, 0.62);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 3.5vw, 44px);
  margin-top: clamp(30px, 5vw, 54px);
}

.page-faq .faq-toc__box {
  display: grid;
  gap: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--orange);
}

.page-faq .faq-toc__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 0 8px 10px;
  font-size: 0.94rem;
  line-height: 1.5;
  color: var(--deep);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-toc__list a span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--orange);
}

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

.page-faq .faq-toc__search {
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px dashed var(--faq-hair);
}

.page-faq .faq-toc__search label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-toc__input {
  box-sizing: border-box;
  width: 100%;
  padding: 9px 12px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--deep);
  background: rgba(220, 235, 247, 0.55);
  border: 1px solid rgba(16, 24, 32, 0.16);
  border-radius: 2px;
  transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-faq .faq-toc__input::placeholder {
  color: var(--gray);
}

.page-faq .faq-toc__input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--faq-cyan-glow);
}

.page-faq .faq-toc__tip {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--gray);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-flow {
  display: grid;
  gap: clamp(34px, 5vw, 58px);
  min-width: 0;
}

.page-faq .faq-block {
  min-width: 0;
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--faq-hair);
  scroll-margin-top: 24px;
}

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

.page-faq .faq-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-faq .faq-block__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-block:target .faq-block__num {
  color: var(--blue);
}

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-faq .faq-block__intro {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(16, 24, 32, 0.8);
}

/* 版本要点 + 图 */
.page-faq .faq-split {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.page-faq .faq-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.97rem;
  line-height: 1.75;
  color: rgba(16, 24, 32, 0.86);
}

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-faq .faq-points strong {
  font-weight: 700;
  color: var(--deep);
}

.page-faq .faq-split__media,
.page-faq .faq-entry__media {
  margin: 0;
}

.page-faq .faq-entry__media {
  margin-top: 24px;
}

.page-faq .faq-split__media img,
.page-faq .faq-entry__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

/* 步骤 */
.page-faq .faq-steps {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--faq-hair);
}

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

.page-faq .faq-steps__n {
  font-family: var(--font-mono);
  font-size: 1.38rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--orange);
}

.page-faq .faq-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--deep);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: rgba(16, 24, 32, 0.8);
}

/* 折叠问答 */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .qa:first-of-type {
  margin-top: 20px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--deep);
  transition: color 0.16s var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q::before {
  content: "+";
  flex: none;
  width: 16px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--orange);
}

.page-faq .qa[open] .qa__q::before {
  content: "−";
}

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--blue);
}

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

.page-faq .qa__a {
  max-width: 66ch;
  padding: 0 0 18px 28px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(16, 24, 32, 0.84);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

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

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

/* 联系方式 */
.page-faq .faq-contact {
  margin-top: 22px;
  display: grid;
  border-top: 2px solid var(--deep);
}

.page-faq .faq-contact > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 3px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-contact__key {
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-contact__val {
  font-size: 0.97rem;
  color: var(--deep);
  overflow-wrap: anywhere;
}

.page-faq .faq-copyable {
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: rgba(220, 235, 247, 0.62);
  border-radius: 2px;
  user-select: all;
  cursor: copy;
}

.page-faq .faq-support__link {
  margin: 22px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    align-items: start;
  }

  .page-faq .faq-split__media,
  .page-faq .faq-entry__media {
    margin-top: 0;
  }

  .page-faq .faq-entry__media {
    margin-top: 26px;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-faq .faq-hero__version {
    align-items: flex-end;
    max-width: 210px;
    padding-bottom: 4px;
    text-align: right;
  }

  .page-faq .faq-hero__vnote {
    text-align: right;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-layout {
    grid-template-columns: 226px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 22px;
  }

  .page-faq .faq-block {
    scroll-margin-top: 30px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-toc__list a {
    font-size: 0.97rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}
<<<PAGE_CSS_END>>>