/* ===== 更新记录页 专属样式 ===== */
.page-news {
  --pn-gap: clamp(14px, 2.4vw, 22px);
  --pn-cut: 14px;
  background: var(--night);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .pn-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4.5vw, 48px) 0 clamp(30px, 5vw, 64px);
  background: linear-gradient(158deg, var(--night) 0%, var(--indigo) 55%, var(--archive) 100%);
  border-bottom: 1px solid var(--line);
}

.page-news .pn-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.34;
}

.page-news .pn-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.page-news .pn-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(96deg, rgba(6, 19, 33, 0.96) 10%, rgba(6, 19, 33, 0.66) 48%, rgba(6, 19, 33, 0.28) 100%);
}

.page-news .pn-hero__inner {
  position: relative;
}

.page-news .pn-hero__title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.page-news .pn-hero__lead {
  margin: 0 0 22px;
  max-width: 52ch;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.84);
}

.page-news .pn-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-news .pn-hero__rule {
  margin-top: clamp(26px, 4.5vw, 48px);
  height: 14px;
  border-bottom: 1px solid rgba(122, 91, 30, 0.75);
  background-image: repeating-linear-gradient(to right, rgba(242, 196, 107, 0.55) 0 1px, transparent 1px 22px);
  background-repeat: repeat-x;
  background-position: bottom left;
  opacity: 0.85;
}

/* ---------- 区块标题 ---------- */
.page-news .pn-sec-head {
  margin-bottom: clamp(18px, 3vw, 30px);
  max-width: 64ch;
}

.page-news .pn-sec-title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4vw, 38px);
  line-height: 1.18;
  color: var(--paper);
}

.page-news .pn-sec-note {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 15.5px);
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 本期摘要 ---------- */
.page-news .pn-digest__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
}

.page-news .pn-digest__item {
  position: relative;
  padding: 22px 20px 20px;
  background: linear-gradient(152deg, var(--indigo) 0%, var(--archive) 100%);
  clip-path: polygon(0 0, calc(100% - var(--pn-cut)) 0, 100% var(--pn-cut), 100% 100%, var(--pn-cut) 100%, 0 calc(100% - var(--pn-cut)));
  box-shadow: inset 0 0 0 1px rgba(122, 91, 30, 0.55);
  transition: transform var(--t-mid), box-shadow var(--t-fast);
}

.page-news .pn-digest__item:hover {
  transform: translateX(4px);
  box-shadow: inset 0 0 0 1px rgba(242, 196, 107, 0.8);
}

.page-news .pn-digest__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .pn-digest__item h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .pn-digest__item p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(159, 179, 192, 0.96);
}

.page-news .pn-digest__link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 208, 0.45);
  padding-bottom: 2px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-news .pn-digest__link:hover,
.page-news .pn-digest__link:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 分类筛选胶囊 ---------- */
.page-news .pn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .pn-chips .chip {
  text-decoration: none;
}

/* ---------- 时间轴列表 ---------- */
.page-news .pn-timeline {
  position: relative;
  padding-left: 16px;
}

.page-news .pn-timeline::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background-image: repeating-linear-gradient(to bottom, rgba(122, 91, 30, 0.95) 0 6px, transparent 6px 13px);
}

.page-news .pn-cat {
  position: relative;
  margin-bottom: clamp(30px, 4.5vw, 46px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-news .pn-cat:last-child {
  margin-bottom: 0;
}

.page-news .pn-cat__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .pn-cat__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  padding: 2px 8px;
  border: 1px solid rgba(242, 196, 107, 0.5);
}

.page-news .pn-cat__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.25;
  color: var(--paper);
}

.page-news .pn-cat__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 56ch;
}

.page-news .pn-entry {
  position: relative;
  margin: 0 0 10px;
  padding: 16px 16px 16px 18px;
  background: rgba(11, 34, 51, 0.76);
  border-left: 2px solid rgba(79, 227, 208, 0);
  box-shadow: inset 0 0 0 1px rgba(122, 91, 30, 0.3);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-mid);
}

.page-news .pn-entry:hover,
.page-news .pn-entry:focus-within {
  background: rgba(14, 59, 51, 0.82);
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-news .pn-entry__mark {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .pn-entry__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .pn-entry__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 2px 8px;
  color: var(--gold);
  background: rgba(242, 196, 107, 0.14);
  border: 1px solid rgba(242, 196, 107, 0.55);
  transition: background var(--t-fast), color var(--t-fast);
}

.page-news .pn-entry:hover .pn-entry__tag {
  background: var(--gold);
  color: var(--night);
}

.page-news .pn-entry__title {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: clamp(15.5px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-news .pn-entry__text {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(159, 179, 192, 0.96);
}

/* ---------- 展开详情 ---------- */
.page-news .pn-more {
  margin-top: 12px;
}

.page-news .pn-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--cyan);
  transition: color var(--t-fast);
}

.page-news .pn-more > summary::-webkit-details-marker {
  display: none;
}

.page-news .pn-more > summary::before {
  content: "+";
  display: inline-block;
  width: 15px;
  text-align: center;
  font-family: var(--font-mono);
  border: 1px solid rgba(79, 227, 208, 0.5);
  line-height: 1.5;
}

.page-news .pn-more[open] > summary::before {
  content: "\2212";
}

.page-news .pn-more > summary:hover,
.page-news .pn-more > summary:focus-visible {
  color: var(--gold);
}

.page-news .pn-more__inner {
  margin-top: 10px;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  background: rgba(6, 19, 33, 0.66);
  font-size: 14px;
  line-height: 1.76;
  color: rgba(159, 179, 192, 0.98);
}

.page-news .pn-more__inner p {
  margin: 0 0 8px;
}

.page-news .pn-more__inner p:last-of-type {
  margin-bottom: 10px;
}

.page-news .pn-more__inner a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 196, 107, 0.45);
}

.page-news .pn-more__inner a:hover,
.page-news .pn-more__inner a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 归档说明 ---------- */
.page-news .pn-archive {
  background: linear-gradient(180deg, rgba(14, 59, 51, 0.24) 0%, rgba(6, 19, 33, 0) 100%);
  border-top: 1px solid rgba(122, 91, 30, 0.35);
}

.page-news .pn-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  align-items: start;
}

.page-news .pn-archive__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.82);
  max-width: 58ch;
}

.page-news .pn-index-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid rgba(122, 91, 30, 0.4);
}

.page-news .pn-index-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(122, 91, 30, 0.4);
}

.page-news .pn-index-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .pn-index-list__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .pn-archive__figure,
.page-news .pn-archive__map {
  margin: 0;
}

.page-news .pn-archive__map {
  margin-top: var(--pn-gap);
}

.page-news .pn-archive__figure img,
.page-news .pn-archive__map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(122, 91, 30, 0.5);
}

/* ---------- 整理节奏 ---------- */
.page-news .pn-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-news .pn-rhythm__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0 18px 16px;
  border-top: 1px solid rgba(122, 91, 30, 0.4);
  border-left: 2px solid transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-news .pn-rhythm__item:last-child {
  border-bottom: 1px solid rgba(122, 91, 30, 0.4);
}

.page-news .pn-rhythm__item:hover {
  border-left-color: var(--gold);
  background: rgba(11, 34, 51, 0.5);
}

.page-news .pn-rhythm__cycle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .pn-rhythm__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .pn-rhythm__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 提醒与联系 ---------- */
.page-news .pn-alert__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pn-gap);
  padding: clamp(20px, 3.4vw, 36px);
  background: linear-gradient(146deg, var(--indigo) 0%, var(--archive) 68%, rgba(224, 138, 60, 0.22) 100%);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  box-shadow: inset 0 0 0 1px rgba(242, 196, 107, 0.4);
}

.page-news .pn-alert__title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  color: var(--paper);
}

.page-news .pn-alert__body p {
  margin: 0 0 16px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.84);
}

.page-news .pn-alert__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.page-news .pn-alert__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .pn-alert__figure {
  margin: 0;
}

.page-news .pn-alert__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(122, 91, 30, 0.5);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .pn-index-list li {
    grid-template-columns: 128px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-news .pn-rhythm__item {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    padding-left: 20px;
  }
}

@media (min-width: 860px) {
  .page-news .pn-digest__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .pn-timeline {
    padding-left: 34px;
  }

  .page-news .pn-timeline::before {
    left: 7px;
  }

  .page-news .pn-entry {
    padding: 18px 22px 18px 24px;
  }
}

@media (min-width: 1024px) {
  .page-news .pn-archive__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(22px, 3vw, 40px);
  }

  .page-news .pn-alert__card {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: center;
    gap: clamp(22px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-digest__item,
  .page-news .pn-entry,
  .page-news .pn-rhythm__item,
  .page-news .pn-entry__tag {
    transition: none;
  }

  .page-news .pn-digest__item:hover,
  .page-news .pn-entry:hover,
  .page-news .pn-entry:focus-within {
    transform: none;
  }
}