/* ===== 更新说明页 · page-news ===== */
.page-news {
  --news-radius: var(--r-md);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-news .section {
  padding-block: clamp(34px, 6vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-news .intro {
  position: relative;
  padding-top: clamp(16px, 3vw, 32px);
  padding-bottom: clamp(44px, 7vw, 88px);
  overflow: hidden;
}

.page-news .intro__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-news .intro__copy {
  min-width: 0;
}

.page-news .intro h1 {
  font-family: var(--font-display);
  font-size: clamp(29px, 6.6vw, 52px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: 10px 0 0;
}

.page-news .intro h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 4px;
  margin-top: 18px;
  background: var(--orange);
  border-radius: 4px;
}

.page-news .intro .lede {
  margin: 18px 0 0;
  max-width: 36em;
}

.page-news .intro__fig {
  margin: 0;
  background: var(--deep-2);
  box-shadow: 0 18px 44px rgba(18, 19, 15, .2);
}

.page-news .intro::after {
  content: "";
  display: block;
  position: absolute;
  z-index: 0;
  left: -6%;
  right: 22%;
  bottom: -5%;
  height: 40%;
  background: var(--deep);
  clip-path: polygon(0 24%, 100% 0, 100% 100%, 0 100%);
}

@media (min-width: 900px) {
  .page-news .intro__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-news .intro::after {
    top: -22%;
    right: -16%;
    bottom: auto;
    left: auto;
    width: 86%;
    height: 132%;
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  }
}

/* ---------- 更新列表 ---------- */
.page-news .logs__head {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-news .logs__title,
.page-news .rhythm__title,
.page-news .next__title {
  font-family: var(--font-display);
  font-size: clamp(23px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 8px 0 12px;
}

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

@media (min-width: 860px) {
  .page-news .logs__head {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: end;
  }
}

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px dashed var(--gold);
}

.page-news .log-list__item {
  margin: 0;
}

.page-news .log {
  border-bottom: 1px dashed var(--gold);
}

.page-news .log__sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: clamp(13px, 2vw, 17px) 0;
  transition: background-color .18s ease;
}

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

.page-news .log__sum:focus-visible {
  outline: 2px solid var(--cyan-ink);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-news .log__sum::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--gold);
}

.page-news .log[open] .log__sum::after {
  content: "－";
  color: var(--orange);
}

.page-news .log__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist-ink);
  transition: color .18s ease;
}

.page-news .log:hover .log__time {
  color: var(--orange);
}

.page-news .log__title {
  flex: 1 1 14em;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2.3vw, 19px);
  line-height: 1.42;
  color: var(--ink);
}

.page-news .log:hover .log__title {
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-news .log__body {
  background: var(--cyanpaper);
  border-radius: var(--news-radius);
  padding: clamp(13px, 2vw, 18px) clamp(14px, 2.2vw, 22px);
  margin: 0 0 clamp(14px, 2vw, 20px);
}

.page-news .log__body p {
  margin: 0;
  font-size: clamp(15px, 2vw, 16px);
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 版本迭代日志 ---------- */
.page-news .versions__panel,
.page-news .topics__panel {
  padding: clamp(22px, 4vw, 52px);
  border-radius: var(--r-lg);
}

.page-news .versions__title,
.page-news .topics__title {
  font-family: var(--font-display);
  font-size: clamp(23px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 8px 0 12px;
}

.page-news .versions__lede,
.page-news .topics__lede {
  color: var(--cyanpaper);
  margin: 0;
}

.page-news .versions__fig {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
}

.page-news .vlog {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0 0 0 clamp(16px, 2.4vw, 28px);
  border-left: 1px dashed var(--gold);
}

.page-news .vlog__row {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 30px);
}

.page-news .vlog__row:last-child {
  padding-bottom: 0;
}

.page-news .vlog__row::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(16px, 2.4vw, 28px) - 5px);
  top: .48em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(39, 224, 200, .16);
}

.page-news .vlog__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 27px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-news .vlog__head {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.2vw, 18px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
  margin: 8px 0 0;
}

.page-news .vlog__text {
  margin: 6px 0 0;
  font-size: clamp(14.5px, 1.9vw, 15.5px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 专题预告 ---------- */
.page-news .topics__grid {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .topic {
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--news-radius) var(--news-radius) 0;
  background: rgba(215, 240, 234, .08);
  padding: clamp(15px, 2.4vw, 22px) clamp(16px, 2.4vw, 22px) clamp(15px, 2.4vw, 22px) clamp(18px, 2.6vw, 24px);
}

.page-news .topic:nth-child(2) {
  border-left-color: var(--orange);
}

.page-news .topic:nth-child(3) {
  border-left-color: var(--mist);
}

.page-news .topic:nth-child(4) {
  border-left-color: var(--gold);
}

.page-news .topic__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  margin: 0;
}

.page-news .topic__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.3vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
  margin: 6px 0 8px;
}

.page-news .topic__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 维护节奏 ---------- */
.page-news .rhythm {
  background: var(--cyanpaper);
}

.page-news .rhythm__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

@media (min-width: 880px) {
  .page-news .rhythm__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

.page-news .rhythm__list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .rhythm__list li {
  position: relative;
  padding-left: 18px;
  display: grid;
  gap: 3px;
}

.page-news .rhythm__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.page-news .rhythm__list strong {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink);
}

.page-news .rhythm__list span {
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-ink);
}

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

/* ---------- 下一步 ---------- */
.page-news .next {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .next__strip {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-news .next .index-strip__row {
  text-decoration: none;
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log__sum,
  .page-news .log__time {
    transition: none;
  }
}
<<<END>>>