.page-news {
  --c-basics: var(--celadon);
  --c-advanced: var(--amber);
  --c-care: var(--ink-500);
  --c-version: #C4862C;
  --news-rule: 1px solid var(--line);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-block: clamp(16px, 3vw, 26px) 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: clamp(18px, 3vw, 32px) clamp(30px, 5vw, 58px);
}

.page-news .news-hero__grid {
  display: grid;
  gap: 22px;
  align-items: end;
}

.page-news .news-hero h1 {
  margin: .3em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-news .news-hero h1 span {
  display: block;
}

.page-news .news-hero__intro {
  margin: 0;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.8;
  color: var(--ink-500);
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: var(--news-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.page-news .news-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-hero__stats .mono {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--amber);
}

.page-news .news-hero__stats em {
  font-style: normal;
  font-size: .8rem;
  color: var(--ink-500);
}

.page-news .news-hero__figure {
  margin: clamp(22px, 4vw, 40px) 0 0;
}

.page-news .figure-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通用区块 ---------- */
.page-news .news-section {
  padding-block: clamp(38px, 7vw, 78px);
}

.page-news .news-section + .news-section {
  border-top: var(--news-rule);
}

.page-news .news-section__head {
  display: grid;
  gap: 12px;
  max-width: 66ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .news-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.4vw, 2.25rem);
  line-height: 1.24;
  color: var(--paper);
}

.page-news .news-section__head p {
  margin: 0;
  font-size: clamp(.9rem, 1.5vw, 1rem);
  line-height: 1.78;
  color: var(--ink-500);
}

/* ---------- 四类标签 ---------- */
.page-news .news-tags {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-news .news-tags__figure {
  margin: 0;
}

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

.page-news .news-taglist__item {
  padding: 16px 18px;
  background: var(--ink-850);
  border: var(--news-rule);
  border-left: 3px solid var(--c, var(--ink-500));
  display: grid;
  gap: 7px;
}

.page-news .news-taglist__item--basics { --c: var(--c-basics); }
.page-news .news-taglist__item--advanced { --c: var(--c-advanced); }
.page-news .news-taglist__item--care { --c: var(--c-care); }
.page-news .news-taglist__item--version { --c: var(--c-version); }

.page-news .news-taglist__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-news .news-taglist__name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-news .news-taglist__count {
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--ink-500);
}

.page-news .news-taglist__item p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--ink-500);
}

.page-news .news-taglist__who {
  font-size: .76rem;
  letter-spacing: .02em;
  color: var(--c, var(--ink-500));
}

/* ---------- 筛选条 ---------- */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .news-filter__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: .86rem;
  font-weight: 500;
  color: var(--paper);
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-news .news-filter__pill .mono {
  font-size: .7rem;
  letter-spacing: .04em;
  opacity: .72;
}

.page-news .news-filter__pill:hover,
.page-news .news-filter__pill:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-900);
}

.page-news .news-filter__pill:hover .mono,
.page-news .news-filter__pill:focus-visible .mono {
  opacity: .85;
}

/* ---------- 条目流 ---------- */
.page-news .news-stream {
  display: grid;
  gap: clamp(24px, 4vw, 34px);
}

.page-news .news-group {
  display: grid;
  gap: 14px;
  padding-top: clamp(16px, 2.5vw, 22px);
  border-top: var(--news-rule);
}

.page-news .news-group__title {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-news .news-group__dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  background: var(--amber);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-news .news-group__items {
  display: grid;
  gap: 12px;
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 16px 18px 16px 20px;
  background: var(--ink-850);
  border: var(--news-rule);
  border-left: 3px solid var(--c, var(--ink-500));
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

@media (hover: hover) {
  .page-news .news-item:hover {
    background: var(--ink-800);
    border-color: var(--line-strong);
    border-left-color: var(--c, var(--ink-500));
    transform: translateY(-2px);
  }
}

.page-news .news-item--basics { --c: var(--c-basics); }
.page-news .news-item--advanced { --c: var(--c-advanced); }
.page-news .news-item--care { --c: var(--c-care); }
.page-news .news-item--version { --c: var(--c-version); }

.page-news .news-item__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .news-item__no {
  font-size: .74rem;
  letter-spacing: .07em;
  color: var(--ink-500);
}

.page-news .news-item__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .news-item__desc {
  margin: 0;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--ink-500);
}

.page-news .news-item__when {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .05em;
  color: var(--c, var(--ink-500));
}

.page-news .news-stream__foot {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-500);
}

.page-news .news-stream__foot a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-stream__foot a:hover {
  color: var(--amber-soft);
}

/* ---------- 版本日志 ---------- */
.page-news .news-log__figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-news .news-log {
  border-top: 1px solid var(--line-strong);
}

.page-news .news-log__item {
  border-bottom: var(--news-rule);
}

.page-news .news-log__item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px 16px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-log__item summary::after {
  content: "+";
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--ink-500);
  line-height: 1;
}

.page-news .news-log__item[open] summary::after {
  content: "−";
  color: var(--amber);
}

.page-news .news-log__item summary:hover .news-log__name {
  color: var(--amber);
}

.page-news .news-log__no {
  grid-row: span 2;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-news .news-log__name {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
  transition: color .2s ease;
}

.page-news .news-log__state {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--celadon);
}

.page-news .news-log__body {
  display: grid;
  gap: 14px;
  padding: 0 2px 24px;
  max-width: 72ch;
}

.page-news .news-log__list {
  margin: 0;
  padding-left: 1.15em;
  display: grid;
  gap: 9px;
}

.page-news .news-log__list li {
  font-size: .91rem;
  line-height: 1.78;
  color: var(--ink-500);
}

.page-news .news-log__list b {
  color: var(--paper);
  font-weight: 700;
  margin-right: .55em;
}

.page-news .news-log__scope {
  margin: 0;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  font-size: .85rem;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-news .news-log__scope .mono {
  display: inline-block;
  margin-right: .6em;
  font-size: .72rem;
  letter-spacing: .07em;
  color: var(--celadon);
}

.page-news .news-log__more {
  display: grid;
  gap: 8px;
  padding: 22px 2px 0;
}

.page-news .news-log__more .mono {
  font-size: .78rem;
  letter-spacing: .07em;
  color: var(--ink-500);
}

.page-news .news-log__more p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-500);
}

.page-news .news-log__more-link {
  justify-self: start;
  margin-top: 4px;
  font-size: .88rem;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-deep);
  padding-bottom: 2px;
}

.page-news .news-log__more-link:hover {
  color: var(--amber-soft);
}

/* ---------- 专题 ---------- */
.page-news .news-series__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-news .news-series__cards {
  display: grid;
  gap: 16px;
}

.page-news .news-series__card {
  padding: 20px 18px;
  display: block;
}

.page-news .news-series__card summary {
  display: grid;
  gap: 9px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-series__idx {
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .news-series__card h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 900;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .news-series__card summary p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--ink-500);
}

.page-news .news-series__list {
  margin: 16px 0 0;
  padding: 14px 0 0 1.15em;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 8px;
}

.page-news .news-series__list li {
  font-family: var(--font-mono);
  font-size: .8rem;
  line-height: 1.75;
  letter-spacing: .02em;
  color: var(--ink-500);
}

.page-news .news-series__link {
  display: inline-block;
  margin-top: 16px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid var(--celadon-deep);
  padding-bottom: 2px;
}

.page-news .news-series__link:hover {
  color: var(--celadon-lift);
}

/* ---------- 编号直达 ---------- */
.page-news .news-code {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(150deg, var(--paper-soft), #DFE7F2);
  color: var(--ink-900);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
}

.page-news .news-code__eyebrow {
  color: var(--ink-700);
}

.page-news .news-code h2 {
  margin: .4em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.2vw, 2.05rem);
  line-height: 1.28;
  color: var(--ink-900);
}

.page-news .news-code__text p {
  margin: 14px 0 0;
  font-size: clamp(.9rem, 1.5vw, .98rem);
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .news-code__demo {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-code__label {
  font-size: .72rem;
  letter-spacing: .09em;
  color: var(--ink-700);
}

.page-news .news-code__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-code__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 14px;
  align-items: baseline;
  padding: 11px 14px;
  background: rgba(255, 255, 255, .72);
  border-left: 3px solid var(--amber);
}

.page-news .news-code__list a {
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 1px;
}

.page-news .news-code__list a:hover {
  color: var(--amber-deep);
}

.page-news .news-code__list span {
  font-size: .84rem;
  line-height: 1.6;
  color: var(--ink-700);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-news .news-group__items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-log__item summary {
    grid-template-columns: 4.6em minmax(0, 1fr) auto;
    gap: 16px;
  }

  .page-news .news-log__item summary::after {
    grid-column: 3;
    grid-row: 1 / span 2;
    justify-self: end;
  }

  .page-news .news-log__no {
    grid-row: auto;
  }

  .page-news .news-log__state {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-news .news-tags {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 3.5vw, 44px);
  }

  .page-news .news-series__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    padding-bottom: 56px;
  }

  .page-news .news-series__card:nth-child(2) {
    margin-top: 28px;
  }

  .page-news .news-series__card:nth-child(3) {
    margin-top: 56px;
  }

  .page-news .news-code {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-filter__pill,
  .page-news .news-log__name {
    transition: none;
  }

  .page-news .news-item:hover {
    transform: none;
  }
}
<<<END>>>