.page-faq {
  background: var(--cream);
  color: var(--char);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  overflow-x: clip;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.14;
  margin: 0;
}

.page-faq h2 {
  font-size: clamp(25px, 3.6vw, 38px);
  margin-bottom: 18px;
}

.page-faq h3 {
  font-size: clamp(17px, 1.6vw, 21px);
}

.page-faq p {
  margin: 0 0 14px;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 14px;
}

/* ---------- 封面 ---------- */
.page-faq .cover {
  position: relative;
  background: var(--ink-green);
  color: var(--cream);
  padding: calc(var(--header-h) + clamp(26px, 5vw, 64px)) 0 clamp(40px, 7vw, 88px);
  overflow: hidden;
}

.page-faq .cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(192, 135, 75, 0.13) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(192, 135, 75, 0.13) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-faq .cover::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -30%;
  width: 62vw;
  height: 62vw;
  max-width: 720px;
  max-height: 720px;
  background: radial-gradient(circle at 40% 40%, rgba(244, 85, 30, 0.24), transparent 62%);
  pointer-events: none;
}

.page-faq .cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}

.page-faq .cover__crumb {
  margin-bottom: 22px;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .cover__crumb a {
  color: var(--copper-hi);
  text-decoration: none;
}

.page-faq .cover__title {
  font-size: clamp(36px, 8.6vw, 62px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  font-stretch: 82%;
}

.page-faq .cover__title-em {
  color: var(--signal);
}

.page-faq .cover__intro {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 235, 220, 0.86);
  margin-bottom: 26px;
}

.page-faq .cover__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .cover .btn--ghost {
  color: var(--cream);
  border-color: rgba(231, 183, 127, 0.6);
}

.page-faq .cover .btn--ghost:hover {
  border-color: var(--copper-hi);
  color: var(--copper-hi);
}

.page-faq .cover__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  margin: 0;
  padding-top: 16px;
  border-top: var(--line-copper-soft);
}

/* ---------- 贴纸墙 ---------- */
.page-faq .wall {
  border: var(--line-copper);
  background: rgba(7, 24, 21, 0.42);
  padding: clamp(16px, 3vw, 24px);
}

.page-faq .wall__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper-hi);
  margin: 0 0 16px;
}

.page-faq .wall__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .wall__cell {
  position: relative;
}

.page-faq .wall__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .sticker {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 104px;
  padding: 14px 12px 16px;
  cursor: pointer;
  transform: rotate(var(--rot, 0deg));
  transition: transform 0.24s var(--ease), filter 0.24s var(--ease);
  filter: drop-shadow(0 3px 0 rgba(7, 24, 21, 0.42));
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  box-shadow: inset 0 0 0 1px rgba(7, 24, 21, 0.18);
}

.page-faq .sticker__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.72;
}

.page-faq .sticker__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-faq .sticker__hint {
  font-size: 12px;
  line-height: 1.5;
  opacity: 0.78;
}

.page-faq .sticker--paper {
  --rot: -1.6deg;
  background: var(--paper);
  color: var(--char);
}

.page-faq .sticker--lacquer {
  --rot: 1.1deg;
  background: var(--lacquer);
  color: var(--cream);
}

.page-faq .sticker--copper {
  --rot: -0.8deg;
  background: var(--copper);
  color: var(--ink-deep);
}

.page-faq .sticker--signal {
  --rot: 1.8deg;
  background: var(--signal);
  color: var(--char);
}

.page-faq .sticker--green {
  --rot: -1.2deg;
  background: #17453a;
  color: var(--cream);
  box-shadow: inset 0 0 0 1px rgba(192, 135, 75, 0.55);
}

.page-faq .sticker--mist {
  --rot: 0.9deg;
  background: var(--mist);
  color: var(--ink-deep);
}

.page-faq .wall__check:checked + .sticker {
  transform: translateY(-4px) rotate(var(--rot, 0deg));
  filter: drop-shadow(0 14px 0 -6px rgba(7, 24, 21, 0.62));
  box-shadow: inset 0 0 0 2px var(--signal);
}

.page-faq .wall__check:focus-visible + .sticker {
  box-shadow: inset 0 0 0 2px var(--copper-hi);
}

.page-faq .wall__check:checked + .sticker::after {
  content: "已选";
  position: absolute;
  right: 10px;
  bottom: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  opacity: 0.9;
}

.page-faq .wall__picked {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: var(--line-copper-soft);
  min-height: 40px;
}

.page-faq .wall__picked-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper-hi);
}

.page-faq .wall__chip {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  background: var(--signal);
  color: var(--char);
}

.page-faq .wall:has(#pick-display:checked) .wall__chip--display,
.page-faq .wall:has(#pick-speed:checked) .wall__chip--speed,
.page-faq .wall:has(#pick-version:checked) .wall__chip--version,
.page-faq .wall:has(#pick-content:checked) .wall__chip--content,
.page-faq .wall:has(#pick-tag:checked) .wall__chip--tag,
.page-faq .wall:has(#pick-other:checked) .wall__chip--other {
  display: inline-block;
}

.page-faq .wall__tip {
  font-size: 12px;
  color: var(--mist);
}

.page-faq .wall:has(.wall__check:checked) .wall__tip {
  display: none;
}

.page-faq .wall__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--copper-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 183, 127, 0.5);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .wall__go:hover {
  color: var(--signal);
  border-color: var(--signal);
}

/* ---------- 公共分区 ---------- */
.page-faq .tags,
.page-faq .tree,
.page-faq .check,
.page-faq .qa,
.page-faq .flow {
  padding: clamp(46px, 8vw, 96px) 0;
}

.page-faq .tags,
.page-faq .qa {
  background: var(--cream);
  color: var(--char);
}

.page-faq .check {
  background: var(--paper);
  border-top: var(--line-copper-soft);
  border-bottom: var(--line-copper-soft);
}

.page-faq .tree,
.page-faq .flow {
  background: var(--ink-green);
  color: var(--cream);
}

.page-faq .flow {
  background: var(--ink-deep);
}

.page-faq .tree .eyebrow,
.page-faq .flow .eyebrow {
  color: var(--copper-hi);
}

.page-faq .tree h2,
.page-faq .flow h2 {
  color: var(--cream);
}

/* ---------- 标签详解 ---------- */
.page-faq .tags__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
}

.page-faq .tags__intro {
  max-width: 36em;
  color: #3e3831;
  margin-bottom: 30px;
}

.page-faq .tags__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line-copper);
}

.page-faq .tagrow {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0;
  border-bottom: var(--line-copper-soft);
}

.page-faq .tagrow__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper);
  padding-top: 4px;
}

.page-faq .tagrow__name {
  margin: 0 0 8px;
  color: var(--ink-green);
}

.page-faq .tagrow__case,
.page-faq .tagrow__need {
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 6px;
  color: #3e3831;
}

.page-faq .tagrow__need {
  color: #6b6156;
  padding-left: 12px;
  border-left: 2px solid rgba(192, 135, 75, 0.5);
}

.page-faq .tags__side {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-faq .tags__media {
  width: 100%;
  border: var(--line-copper-strong);
  background: var(--ink-deep);
}

.page-faq .tags__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

.page-faq .tags__side .media__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: #6b6156;
  padding: 10px 12px;
  background: var(--paper);
}

.page-faq .tags__note {
  font-size: 14px;
  line-height: 1.8;
  color: #5c5449;
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
}

/* ---------- 决策树 ---------- */
.page-faq .tree__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 54px);
}

.page-faq .tree__side {
  order: 2;
}

.page-faq .tree__media {
  width: 100%;
  border: var(--line-copper-strong);
  background: var(--night);
}

.page-faq .tree__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-faq .tree__media .media__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--copper-hi);
  padding: 10px 12px;
  background: rgba(7, 24, 21, 0.72);
}

.page-faq .tree__intro {
  max-width: 32em;
  color: rgba(243, 235, 220, 0.82);
  margin-bottom: 30px;
}

.page-faq .tree__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .tree__step {
  position: relative;
  padding: 0 0 26px 22px;
  border-left: 1px solid rgba(192, 135, 75, 0.45);
}

.page-faq .tree__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .tree__step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--copper-hi);
}

.page-faq .tree__q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.6;
  color: var(--cream);
  margin: 0 0 14px;
}

.page-faq .tree__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--signal);
  margin-right: 10px;
}

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

.page-faq .tree__ans li {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(243, 235, 220, 0.8);
  background: rgba(27, 75, 61, 0.55);
  border: var(--line-copper-soft);
  padding: 10px 12px;
}

.page-faq .tree__arrow {
  font-family: var(--font-mono);
  color: var(--copper-hi);
}

.page-faq .tree__pick {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  background: var(--signal);
  color: var(--char);
  margin-left: auto;
}

.page-faq .tree__pick--next {
  background: transparent;
  color: var(--copper-hi);
  box-shadow: inset 0 0 0 1px rgba(192, 135, 75, 0.7);
}

.page-faq .tree__back {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 235, 220, 0.76);
  padding-top: 18px;
  border-top: var(--line-copper-soft);
}

.page-faq .tree__back a {
  color: var(--copper-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 183, 127, 0.5);
}

.page-faq .tree__back a:hover {
  color: var(--signal);
  border-color: var(--signal);
}

/* ---------- 自查清单 ---------- */
.page-faq .check__intro {
  max-width: 34em;
  color: #3e3831;
  margin-bottom: 30px;
}

.page-faq .check__list {
  border-top: var(--line-copper);
}

.page-faq .check__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-bottom: var(--line-copper-soft);
}

.page-faq .check__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--copper);
  padding-top: 2px;
}

.page-faq .check__body h3 {
  margin: 0 0 8px;
  color: var(--ink-green);
}

.page-faq .check__body p {
  font-size: 15px;
  line-height: 1.8;
  color: #3e3831;
  margin: 0;
}

.page-faq .check__pair {
  grid-column: 1 / -1;
  display: grid;
  gap: 8px;
  margin-top: 4px;
}

.page-faq .check__good,
.page-faq .check__bad {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
  padding: 8px 12px;
  background: var(--cream);
  color: var(--char);
}

.page-faq .check__good {
  border-left: 3px solid var(--copper);
}

.page-faq .check__bad {
  border-left: 3px solid #c9bfae;
  color: #7a7064;
}

.page-faq .check__good .mono-label,
.page-faq .check__bad .mono-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  margin-bottom: 3px;
}

.page-faq .check__good .mono-label {
  color: var(--copper);
}

.page-faq .check__bad .mono-label {
  color: #9b9184;
}

/* ---------- 问答 ---------- */
.page-faq .qa__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-faq .qa__lead {
  max-width: 24em;
  color: #3e3831;
}

.page-faq .qa__body {
  position: relative;
}

.page-faq .qa__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .qa__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .qa__chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  cursor: pointer;
  border: var(--line-copper-strong);
  color: var(--ink-green);
  background: var(--paper);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .qa__chip:hover {
  background: var(--copper-hi);
}

.page-faq #qa-all:checked ~ .qa__filters [for="qa-all"],
.page-faq #qa-read:checked ~ .qa__filters [for="qa-read"],
.page-faq #qa-send:checked ~ .qa__filters [for="qa-send"],
.page-faq #qa-reply:checked ~ .qa__filters [for="qa-reply"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--char);
}

.page-faq #qa-read:checked ~ .qa__list .qa__item:not(.qa-item--read),
.page-faq #qa-send:checked ~ .qa__list .qa__item:not(.qa-item--send),
.page-faq #qa-reply:checked ~ .qa__list .qa__item:not(.qa-item--reply) {
  display: none;
}

.page-faq .qa__list {
  border-bottom: var(--line-copper);
}

.page-faq .qa__item {
  border-top: var(--line-copper);
}

.page-faq .qa__sum {
  position: relative;
  display: block;
  cursor: pointer;
  list-style: none;
  padding: 16px 34px 16px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-green);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa__sum::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--copper);
  transition: transform 0.22s var(--ease);
}

.page-faq .qa__item[open] .qa__sum::after {
  content: "−";
}

.page-faq .qa__item[open] .qa__sum::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 14px;
  width: 3px;
  background: var(--signal);
}

.page-faq .qa__item[open] .qa__sum {
  color: var(--char);
}

.page-faq .qa__ans {
  margin: 0 0 18px;
  padding-left: 16px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: #4a443b;
}

/* ---------- 提交之后 ---------- */
.page-faq .flow__intro {
  max-width: 34em;
  color: rgba(243, 235, 220, 0.82);
  margin-bottom: 32px;
}

.page-faq .flow__steps {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(192, 135, 75, 0.32);
  border: var(--line-copper);
}

.page-faq .flow__step {
  background: var(--ink-deep);
  padding: 22px 18px 24px;
}

.page-faq .flow__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper-hi);
  margin-bottom: 10px;
}

.page-faq .flow__step h3 {
  color: var(--cream);
  margin: 0 0 8px;
}

.page-faq .flow__step p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 235, 220, 0.74);
  margin: 0;
}

.page-faq .flow__foot {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 24px;
  border-top: var(--line-copper-soft);
}

.page-faq .flow__note {
  max-width: 34em;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 235, 220, 0.72);
  margin: 0;
}

.page-faq .flow__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .flow .btn--ghost {
  color: var(--cream);
  border-color: rgba(231, 183, 127, 0.6);
}

.page-faq .flow .btn--ghost:hover {
  color: var(--copper-hi);
  border-color: var(--copper-hi);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .wall__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .check__item {
    grid-template-columns: 40px minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 20px;
    align-items: start;
  }

  .page-faq .check__pair {
    grid-column: auto;
    margin-top: 0;
  }

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

  .page-faq .flow__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 960px) {
  .page-faq .cover__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .cover__title {
    font-size: clamp(46px, 5.4vw, 76px);
  }

  .page-faq .tags__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .tags__side {
    position: sticky;
    top: 96px;
  }

  .page-faq .tree__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .tree__side {
    order: 0;
    position: sticky;
    top: 96px;
  }

  .page-faq .qa__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .qa__head {
    position: sticky;
    top: 96px;
  }

  .page-faq .flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-faq .cover__grid {
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .sticker,
  .page-faq .qa__sum,
  .page-faq .qa__sum::after,
  .page-faq .wall__go {
    transition: none;
  }
}
</PAGE_CSS>>>