.page-news {
  --pn-rule: rgba(242, 230, 207, 0.18);
  --pn-rule-ink: rgba(8, 24, 38, 0.16);
  --pn-dim: rgba(242, 230, 207, 0.76);
  --pn-dim-ink: rgba(8, 24, 38, 0.72);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-news p {
  margin: 0;
}

.page-news ul,
.page-news ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news a {
  color: inherit;
}

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

.page-news .mono {
  font-family: var(--font-mono);
  font-weight: 600;
}

.pn-shell {
  width: min(calc(100% - var(--gutter) * 2), var(--shell));
  margin-inline: auto;
}

.pn-section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

/* 面包屑 */
.pn-crumbs {
  background: var(--ink);
  border-bottom: 1px solid var(--pn-rule);
  padding-block: 0.85rem;
}

.pn-crumbs .pn-shell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.pn-crumbs__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.pn-crumbs__link:hover {
  border-bottom-color: var(--cyan);
}

.pn-crumbs__sep,
.pn-crumbs__current {
  color: var(--steel);
}

/* 刊头 */
.pn-masthead {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(1.75rem, 4vw, 3rem);
  background: linear-gradient(180deg, var(--ink-2), var(--ink) 65%);
  border-bottom: 1px solid var(--pn-rule);
}

.pn-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(61, 242, 208, 0.07) 0 1px,
    transparent 1px 96px
  );
}

.pn-masthead .pn-shell {
  position: relative;
  z-index: 1;
}

.pn-masthead__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 1.25rem;
}

.pn-masthead__row {
  display: grid;
  gap: 1.25rem;
}

.pn-issue {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-left: 3px solid var(--orange);
  padding-left: 0.8rem;
}

.pn-issue__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--steel);
}

.pn-issue__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.6rem, 9vw, 5rem);
  line-height: 0.84;
  letter-spacing: -0.04em;
  color: var(--orange);
}

.pn-masthead__title {
  font-size: clamp(1.9rem, 6.2vw, 3.9rem);
  color: var(--paper-bright);
  max-width: 18ch;
}

.pn-masthead__lede {
  margin-top: 1rem;
  max-width: 56ch;
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--pn-dim);
}

.pn-masthead__meta {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--pn-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.pn-masthead__meta b {
  color: var(--paper);
  font-weight: 600;
}

/* 章节头 */
.pn-sec-head {
  display: grid;
  gap: 0.7rem;
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.pn-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.pn-kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.35;
}

.pn-sec-title {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  color: var(--paper-bright);
}

.pn-sec-intro {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--pn-dim);
}

/* 编辑导读 */
.pn-lead__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.pn-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--pn-rule);
  background: var(--ink-2);
}

.pn-media img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.pn-media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.4rem 0.7rem;
  background: var(--orange);
  color: var(--ink);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
}

.pn-media__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(61, 242, 208, 0.18) 50%,
    transparent 100%
  );
  background-size: 100% 45%;
  background-repeat: no-repeat;
  background-position: 0 -60%;
  opacity: 0;
  transition: opacity var(--ease), background-position 320ms var(--ease);
}

.pn-media:hover .pn-media__scan,
.pn-media:focus-within .pn-media__scan {
  opacity: 1;
  background-position: 0 110%;
}

.pn-top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem 1rem;
  padding-block: 1.15rem;
  border-top: 1px solid var(--pn-rule);
}

.pn-top:last-child {
  border-bottom: 1px solid var(--pn-rule);
}

.pn-top__no {
  font-size: 0.8rem;
  color: var(--orange);
  padding-top: 0.4rem;
}

.pn-top__title {
  font-size: clamp(1.05rem, 2.3vw, 1.35rem);
}

.pn-top__title a {
  color: var(--paper-bright);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size var(--ease), color var(--ease);
}

.pn-top__title a:hover {
  color: var(--cyan);
  background-size: 100% 2px;
}

.pn-top__text {
  margin-top: 0.45rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--pn-dim);
}

.pn-top__meta {
  margin-top: 0.55rem;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

/* 栏目标签 */
.pn-tag {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.24rem 0.55rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--paper);
}

.pn-tag--archive {
  background: var(--cyan);
}

.pn-tag--notice {
  background: var(--orange);
}

.pn-tag--guide {
  background: var(--moss);
}

.pn-tag--watch {
  background: var(--archive);
  color: var(--paper-bright);
}

/* 四类栏目 */
.pn-channels {
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--pn-rule-ink);
  border-bottom: 1px solid var(--pn-rule-ink);
}

.pn-channels__intro {
  display: grid;
  gap: 1.25rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.pn-channels__intro .pn-sec-head {
  margin-bottom: 0;
}

.pn-channels .pn-kicker {
  color: var(--seal);
}

.pn-channels .pn-sec-title {
  color: var(--ink);
}

.pn-channels .pn-sec-intro {
  color: var(--pn-dim-ink);
}

.pn-channels__icons {
  display: block;
  width: min(100%, 190px);
  height: auto;
  margin-left: auto;
  opacity: 0.92;
}

.pn-channels__grid {
  display: grid;
  gap: 1px;
  background: var(--pn-rule-ink);
  border: 1px solid var(--pn-rule-ink);
}

.pn-channel {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem 1.2rem 1.5rem;
  background: var(--paper);
  transition: background var(--ease);
}

.pn-channel:hover {
  background: var(--paper-bright);
}

.pn-channel__no {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--seal);
}

.pn-channel__title {
  font-size: 1.22rem;
  color: var(--ink);
}

.pn-channel__text {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--pn-dim-ink);
}

.pn-channel__points {
  display: grid;
  gap: 0.35rem;
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--ink);
}

.pn-channel__points li {
  position: relative;
  padding-left: 0.95rem;
}

.pn-channel__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.5rem;
  height: 1px;
  background: var(--orange);
}

.pn-channel__link {
  margin-top: auto;
  padding-top: 0.5rem;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--archive);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color var(--ease);
}

.pn-channel__link:hover {
  color: var(--seal);
}

/* 最新条目 */
.pn-count {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.15rem 0.45rem;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--cyan);
  vertical-align: middle;
}

.pn-list__grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.pn-items {
  border-top: 1px solid var(--pn-rule);
}

.pn-item {
  display: grid;
  grid-template-columns: 3.9rem minmax(0, 1fr);
  gap: 0.4rem 0.9rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--pn-rule);
  transition: background var(--ease);
}

.pn-item:hover {
  background: rgba(61, 242, 208, 0.05);
}

.pn-item__time {
  padding-top: 0.3rem;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.pn-item__title {
  font-size: clamp(0.98rem, 1.9vw, 1.12rem);
  color: var(--paper-bright);
}

.pn-item__text {
  margin-top: 0.35rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--pn-dim);
}

.pn-side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.pn-side__card {
  padding: 1.15rem 1.1rem 1.25rem;
  border: 1px solid var(--pn-rule);
  background: var(--ink-2);
}

.pn-side__card--cyan {
  border-color: rgba(61, 242, 208, 0.45);
}

.pn-side__label {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.pn-side__card h3 {
  margin-top: 0.45rem;
  font-size: 1.05rem;
  color: var(--paper-bright);
}

.pn-side__card p {
  margin-top: 0.5rem;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--pn-dim);
}

.pn-side__card ul {
  margin-top: 0.6rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--pn-dim);
}

.pn-side__card li {
  position: relative;
  padding-left: 0.9rem;
}

.pn-side__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.45rem;
  height: 1px;
  background: var(--cyan);
}

.pn-side__link {
  display: inline-block;
  margin-top: 0.9rem;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color var(--ease);
}

.pn-side__link:hover {
  color: var(--cyan);
}

/* 月报 */
.pn-monthly {
  background: var(--paper-bright);
  color: var(--ink);
  border-top: 1px solid var(--pn-rule-ink);
}

.pn-monthly .pn-kicker {
  color: var(--seal);
}

.pn-monthly .pn-sec-title {
  color: var(--ink);
}

.pn-monthly .pn-sec-intro {
  color: var(--pn-dim-ink);
  margin-bottom: 0.5rem;
}

.pn-monthly__grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.pn-fold {
  border-top: 1px solid var(--pn-rule-ink);
  margin-top: 1.1rem;
}

.pn-fold:last-of-type {
  border-bottom: 1px solid var(--pn-rule-ink);
}

.pn-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 0.96rem;
  color: var(--ink);
}

.pn-fold > summary::-webkit-details-marker {
  display: none;
}

.pn-fold > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--seal);
}

.pn-fold[open] > summary::after {
  content: "\2212";
}

.pn-fold ul {
  display: grid;
  gap: 0.5rem;
  padding-bottom: 1rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--pn-dim-ink);
}

.pn-fold li {
  position: relative;
  padding-left: 1.05rem;
}

.pn-fold li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.5rem;
  height: 1px;
  background: var(--seal);
}

.pn-monthly__cover {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--pn-rule-ink);
}

.pn-monthly__cover img {
  display: block;
  width: 100%;
  object-fit: cover;
}

/* 资料协作 */
.pn-collab .pn-sec-title {
  max-width: 24ch;
}

.pn-collab__grid {
  display: grid;
  gap: 0.75rem;
  margin-block: 1.5rem;
}

.pn-collab__stat {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--cyan);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--pn-dim);
}

.pn-collab__stat .mono {
  font-size: 1.85rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.pn-collab__media {
  margin: 1.75rem 0 0;
  overflow: hidden;
  border: 1px solid var(--pn-rule);
}

.pn-collab__media img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.pn-collab .button {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

/* 收藏与回访 */
.pn-keep {
  background: var(--orange);
  color: var(--ink);
  border-top: 1px solid var(--ink);
}

.pn-keep .pn-sec-title {
  color: var(--ink);
  max-width: 22ch;
}

.pn-keep .pn-sec-intro {
  color: rgba(8, 24, 38, 0.82);
  max-width: 58ch;
}

.pn-keep__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.pn-keep__list {
  display: grid;
  gap: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink);
}

.pn-keep__list li {
  position: relative;
  padding-left: 1.2rem;
}

.pn-keep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid var(--ink);
}

.pn-keep__card {
  padding: 1.1rem 1.1rem 1.25rem;
  background: var(--ink);
  color: var(--paper);
}

.pn-keep__card > p:first-child {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.pn-keep__path {
  margin-top: 0.55rem;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--paper-bright);
}

.pn-keep__hint {
  margin-top: 0.6rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--pn-dim);
}

.pn-keep__cta {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.7rem 1.1rem;
  background: var(--ink);
  color: var(--paper-bright);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background var(--ease), color var(--ease), transform var(--ease);
}

.pn-keep__cta:hover {
  background: transparent;
  color: var(--ink);
  transform: translateY(-2px);
}

@media (min-width: 720px) {
  .pn-masthead__row {
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }

  .pn-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pn-collab__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pn-keep__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .pn-lead__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .pn-channels__intro {
    grid-template-columns: minmax(0, 1fr) 190px;
    align-items: end;
  }

  .pn-list__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .pn-side {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }

  .pn-monthly__grid {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: start;
  }

  .pn-item {
    grid-template-columns: 4.6rem minmax(0, 1fr);
    gap: 0.4rem 1.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pn-media__scan,
  .pn-top__title a,
  .pn-keep__cta,
  .pn-item,
  .pn-channel {
    transition: none;
  }

  .pn-keep__cta:hover {
    transform: none;
  }
}
<<<END>>>