.page-news {
  --pn-gap: clamp(64px, 7vw, 96px);
  --pn-edge: rgba(201, 162, 74, .40);
  background: var(--porcelain);
  color: var(--ink);
}

.page-news .container {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */

.page-news__hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(40px, 7vw, 84px));
  padding-bottom: clamp(52px, 7vw, 84px);
  background:
    radial-gradient(120% 82% at 10% -14%, rgba(47, 93, 74, .62) 0%, rgba(14, 42, 34, 0) 62%),
    radial-gradient(90% 70% at 92% 108%, rgba(201, 162, 74, .16) 0%, rgba(14, 42, 34, 0) 60%),
    linear-gradient(180deg, var(--night) 0%, var(--moss) 100%);
  color: var(--porcelain);
  overflow: hidden;
}

.page-news__hero .breadcrumbs {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: rgba(245, 242, 234, .58);
}

.page-news__hero .breadcrumbs a {
  color: var(--gold-lit);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 200, 120, .34);
}

.page-news__hero .breadcrumbs__sep {
  color: rgba(245, 242, 234, .34);
}

.page-news__eyebrow {
  margin-top: clamp(28px, 5vw, 48px);
  color: var(--gold);
  letter-spacing: .16em;
}

.page-news__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--porcelain);
}

.page-news__lede {
  max-width: 58ch;
  margin-top: 22px;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.85;
  color: rgba(245, 242, 234, .82);
}

.page-news__pulse {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(201, 162, 74, .28);
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .05em;
  color: var(--gold-lit);
}

.page-news__pulse span {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.page-news__pulse b {
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .14em;
  color: rgba(245, 242, 234, .58);
}

.page-news__hero-media {
  margin: clamp(38px, 6vw, 62px) 0 0;
  padding: 10px;
  border: 1px solid rgba(201, 162, 74, .34);
  background: rgba(11, 15, 14, .34);
}

.page-news__hero-media .frame-media__inner img,
.page-news__hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news__hero-media .frame-media__caption {
  padding: 12px 2px 2px;
  font-size: .82rem;
  color: rgba(245, 242, 234, .62);
}

/* ---------- 主体栅格 ---------- */

.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(48px, 6vw, 68px);
  padding-top: var(--pn-gap);
  padding-bottom: var(--pn-gap);
  align-items: start;
}

.page-news__main {
  min-width: 0;
}

.page-news__section {
  margin-bottom: var(--pn-gap);
}

.page-news__section:last-child {
  margin-bottom: 0;
}

.page-news__chapter {
  margin-bottom: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line-ink);
}

.page-news__chapter--plain {
  border-top: 0;
  padding-top: 0;
}

.page-news__h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-news__chapter-lede {
  max-width: 66ch;
  margin-top: 14px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-news__h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  color: var(--ink);
}

/* ---------- 置顶 ---------- */

.page-news__pin-wrap {
  display: grid;
  gap: 26px;
}

.page-news__pins {
  display: grid;
  gap: 18px;
}

.page-news__pin {
  position: relative;
  padding: 26px 26px 22px 28px;
  border: 1px solid rgba(224, 138, 123, .40);
  border-left: 4px solid var(--coral);
  background: var(--paper);
  box-shadow: var(--shadow-paper);
}

.page-news__pin-flags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
}

.page-news__pin-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.16rem, 2.2vw, 1.4rem);
  line-height: 1.35;
  color: var(--ink);
}

.page-news__pin-text {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-news__pin .path-line {
  margin: 0;
  font-size: .82rem;
  color: var(--stone);
}

.page-news__pin-media {
  margin: 0;
  border: 1px solid var(--line-ink);
  background: var(--paper);
  padding: 8px;
}

.page-news__pin-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news__pin-media .frame-media__caption {
  padding: 10px 2px 2px;
  font-size: .8rem;
  color: var(--stone);
}

/* ---------- 时间芯片与分类标签 ---------- */

.page-news__time {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
  white-space: nowrap;
  color: var(--coral-ink);
  background: rgba(224, 138, 123, .12);
  border: 1px solid rgba(224, 138, 123, .28);
  border-radius: var(--radius);
}

/* ---------- 筛选条 ---------- */

.page-news__filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 6px;
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--line-ink);
}

.page-news__filter-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news__chip {
  padding: 7px 15px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .07em;
  color: var(--stone);
  background: transparent;
  border: 1px solid var(--line-ink);
  border-radius: 999px;
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}

.page-news__chip:hover,
.page-news__chip:focus-visible {
  color: var(--ink);
  border-color: var(--gold);
}

.page-news__chip[aria-pressed="true"] {
  color: var(--gold-lit);
  background: var(--night);
  border-color: var(--night);
}

.page-news__status {
  margin: 0 0 0 auto;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--stone);
}

/* ---------- 公告登记列表 ---------- */

.page-news__register {
  position: relative;
  margin: 0;
  padding: 10px 0 0 30px;
  list-style: none;
  border-top: 1px solid var(--line-ink);
}

.page-news__register::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, rgba(201, 162, 74, 0) 0%, rgba(201, 162, 74, .5) 8%, rgba(201, 162, 74, .5) 92%, rgba(201, 162, 74, 0) 100%);
}

.page-news__item {
  position: relative;
  border-bottom: 1px solid rgba(11, 15, 14, .09);
}

.page-news__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--porcelain);
  border: 1.5px solid var(--gold);
}

.page-news__entry {
  margin: 0;
}

.page-news__entry-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 16px 6px 16px 0;
  cursor: pointer;
  list-style: none;
}

.page-news__entry-summary::-webkit-details-marker {
  display: none;
}

.page-news__entry-summary::marker {
  content: "";
}

.page-news__entry-title {
  flex: 1 1 260px;
  min-width: 0;
  font-size: .99rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-news__entry-summary:hover .page-news__entry-title {
  color: var(--forest);
}

.page-news__entry-toggle {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--pencil);
  transition: color .18s ease;
}

.page-news__entry[open] .page-news__entry-toggle {
  color: var(--gold);
}

.page-news__entry[open] .page-news__item::before {
  background: var(--gold-lit);
}

.page-news__entry-body {
  max-width: 64ch;
  padding: 0 6px 20px 0;
}

.page-news__entry-body p {
  margin: 0 0 10px;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-news__entry-body .path-line {
  margin: 0;
  font-size: .8rem;
  color: var(--stone);
}

/* ---------- 版本时间线 ---------- */

.page-news__version-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-news__version-media {
  margin: 0;
  border: 1px solid var(--line-ink);
  background: var(--paper);
  padding: 8px;
}

.page-news__version-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news__version-media .frame-media__caption {
  padding: 10px 2px 2px;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-news__timeline {
  position: relative;
  margin: 0;
  padding: 4px 0 0 32px;
  list-style: none;
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: rgba(201, 162, 74, .48);
}

.page-news__tl-item {
  position: relative;
  padding-bottom: 30px;
}

.page-news__tl-item:last-child {
  padding-bottom: 0;
}

.page-news__tl-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--porcelain);
  border: 2px solid var(--gold);
}

.page-news__tl-item--current::before {
  background: var(--gold-lit);
  box-shadow: 0 0 0 4px rgba(201, 162, 74, .16);
}

.page-news__tl-time {
  display: inline-block;
  margin-bottom: 8px;
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-news__tl-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-news__tl-text {
  margin: 0 0 12px;
  max-width: 60ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-news__tl-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  font-size: .82rem;
}

.page-news__tl-facts div {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-news__tl-facts dt {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--pencil);
}

.page-news__tl-facts dd {
  margin: 0;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 维护窗口 ---------- */

.page-news__maintenance {
  position: relative;
  overflow: hidden;
  padding: 34px 28px 30px;
  border: 1px solid var(--line-ink);
  background: var(--paper);
}

.page-news__maintenance-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .12;
}

.page-news__maintenance-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news__maintenance-inner {
  position: relative;
  z-index: 1;
}

.page-news__windows {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-ink);
}

.page-news__window {
  padding: 18px 0;
  border-bottom: 1px solid rgba(11, 15, 14, .09);
}

.page-news__window-text {
  margin: 10px 0 0;
  max-width: 66ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-news__maintenance-note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 专题合辑 ---------- */

.page-news__topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-news__topic {
  padding: 26px 26px 24px;
  background: var(--paper);
}

.page-news__topic .meta-label {
  color: var(--gold);
}

.page-news__topic .paper-card__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 600;
  color: var(--ink);
}

.page-news__topic-text {
  margin: 0 0 16px;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-news__topic .paper-card__meta {
  margin: 0;
  font-size: .78rem;
  color: var(--stone);
}

/* ---------- 反馈与更新 ---------- */

.page-news__feedback {
  padding: 34px 28px 30px;
  background: linear-gradient(160deg, var(--night) 0%, var(--moss) 100%);
  color: var(--porcelain);
}

.page-news__feedback .chapter-num {
  color: var(--gold);
}

.page-news__feedback .page-news__h2 {
  color: var(--porcelain);
}

.page-news__feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-news__feedback-col {
  padding-top: 18px;
  border-top: 1px solid rgba(201, 162, 74, .3);
}

.page-news__feedback-col .page-news__h3 {
  color: var(--gold-lit);
}

.page-news__feedback-col p {
  margin: 0 0 12px;
  font-size: .94rem;
  line-height: 1.85;
  color: rgba(245, 242, 234, .82);
  overflow-wrap: anywhere;
}

.page-news__feedback-col .mono {
  color: var(--gold-lit);
}

.page-news__feedback-col .path-line {
  margin: 0;
  font-size: .8rem;
  color: rgba(245, 242, 234, .7);
}

.page-news__tip {
  padding-left: 14px;
  border-left: 2px solid rgba(224, 138, 123, .6);
  font-size: .88rem;
  color: rgba(245, 242, 234, .72);
}

.page-news__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-news__feedback .btn--ink {
  color: var(--night);
  background: var(--gold-lit);
  border-color: var(--gold-lit);
}

.page-news__feedback .btn--quiet {
  color: var(--porcelain);
  border-bottom: 1px solid rgba(245, 242, 234, .4);
}

/* ---------- 右侧窄栏 ---------- */

.page-news__side {
  min-width: 0;
}

.page-news__side-sticky {
  display: grid;
  gap: 22px;
  padding: 24px 22px;
  border: 1px solid var(--line-ink);
  background: var(--paper);
}

.page-news__side-nav ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-news__side-nav li + li {
  margin-top: 2px;
}

.page-news__side-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: .9rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

.page-news__side-nav a:hover,
.page-news__side-nav a:focus-visible {
  color: var(--forest);
  border-bottom-color: var(--gold);
}

.page-news__side-nav .mono {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news__side-block {
  padding-top: 18px;
  border-top: 1px solid var(--line-ink);
}

.page-news__side-filter {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--porcelain);
  background: var(--forest);
  border: 1px solid var(--forest);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease;
}

.page-news__side-filter:hover,
.page-news__side-filter:focus-visible {
  background: var(--moss);
  border-color: var(--gold);
}

.page-news__side-note {
  margin: 10px 0 14px;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-news__side-btn {
  display: block;
  width: 100%;
  margin-top: 8px;
  text-align: center;
}

.page-news__side-block--save {
  background: rgba(201, 162, 74, .08);
  margin-inline: -22px;
  padding: 18px 22px 4px;
  border-top: 1px solid rgba(201, 162, 74, .3);
}

/* ---------- 媒体查询 ---------- */

@media (min-width: 700px) {
  .page-news__topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news__feedback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 34px;
  }

  .page-news__pin-wrap {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .95fr);
    align-items: start;
    gap: 30px;
  }

  .page-news__maintenance {
    padding: 40px 40px 36px;
  }

  .page-news__feedback {
    padding: 40px 40px 36px;
  }
}

@media (min-width: 940px) {
  .page-news__version-wrap {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-news__layout {
    grid-template-columns: minmax(0, 1fr) 288px;
    gap: 60px;
  }

  .page-news__side-sticky {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
  }

  .page-news__feedback-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-news__register {
    padding-left: 22px;
  }

  .page-news__register::before {
    left: 8px;
  }

  .page-news__item::before {
    left: -18px;
    top: 20px;
    width: 8px;
    height: 8px;
  }

  .page-news__timeline {
    padding-left: 26px;
  }

  .page-news__tl-item::before {
    left: -23px;
    width: 10px;
    height: 10px;
  }

  .page-news__status {
    margin-left: 0;
  }

  .page-news__pin {
    padding: 22px 20px 18px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news__chip,
  .page-news__entry-toggle,
  .page-news__side-nav a,
  .page-news__side-filter {
    transition: none;
  }
}
</final>