.page-news {
  --n-rule: 1px solid var(--steel);
  --n-rule-dark: 1px solid rgba(195,212,230,.22);
  --n-orange-ink: #B0430C;
  --n-band: linear-gradient(104deg, var(--mid) 0%, var(--deep) 58%, var(--abyss) 100%);
  background: var(--paper);
  color: var(--deep);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-news .nsec {
  position: relative;
  padding-block: clamp(46px, 6.4vw, 86px);
}

.page-news .nsec--paper { background: var(--paper); }
.page-news .nsec--mist { background: var(--mist); }

.page-news .nsec--deep {
  background:
    radial-gradient(110% 80% at 82% 0%, rgba(60,255,166,.12), transparent 60%),
    linear-gradient(158deg, var(--deep), var(--abyss));
  color: var(--mist);
}

/* ---------- 刊头 ---------- */
.page-news .nsec--masthead {
  background:
    radial-gradient(120% 100% at 84% -10%, rgba(60,255,166,.18), transparent 58%),
    radial-gradient(80% 70% at 4% 112%, rgba(255,106,23,.24), transparent 62%),
    linear-gradient(158deg, var(--deep) 0%, var(--abyss) 100%);
  color: var(--mist);
  overflow: hidden;
  padding-block: clamp(26px, 4vw, 46px) clamp(50px, 7vw, 96px);
}

.page-news .masthead::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: 72%;
  height: 180%;
  background: linear-gradient(115deg, transparent 42%, rgba(60,255,166,.10) 50%, transparent 58%);
  transform: rotate(8deg);
  pointer-events: none;
}

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

.page-news .masthead .breadcrumbs,
.page-news .masthead .breadcrumbs a {
  color: rgba(232,239,247,.68);
}

.page-news .masthead .breadcrumbs li + li::before {
  color: rgba(60,255,166,.7);
}

.page-news .masthead__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(22px, 3.4vw, 44px);
}

.page-news .masthead__kicker {
  margin: 0;
  color: var(--neon);
}

.page-news .masthead__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 66px);
  line-height: 1.08;
  letter-spacing: .005em;
  margin: 14px 0 18px;
  color: #fff;
}

.page-news .masthead__lede {
  max-width: 56ch;
  font-size: clamp(15px, 1.9vw, 17.5px);
  line-height: 1.8;
  color: rgba(232,239,247,.84);
  margin: 0 0 28px;
}

.page-news .masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .masthead__toc {
  border-top: 1px solid rgba(195,212,230,.22);
  padding-top: 18px;
}

.page-news .masthead__toc .t-label { color: rgba(232,239,247,.6); }

.page-news .toc {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-news .toc__item + .toc__item {
  border-top: 1px solid rgba(195,212,230,.14);
}

.page-news .toc__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .toc__link:hover { color: var(--neon); }

.page-news .toc__no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
  flex: 0 0 auto;
}

.page-news .toc__name { font-size: 15px; }

.page-news .masthead__season {
  margin: 20px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(232,239,247,.58);
}

.page-news .masthead__season .t-num {
  font-size: 34px;
  line-height: 1;
  color: var(--neon);
  letter-spacing: .02em;
  margin-right: 8px;
  vertical-align: -4px;
}

/* ---------- 章节标题 ---------- */
.page-news .sechead {
  margin-bottom: clamp(26px, 3.6vw, 48px);
}

.page-news .sechead--split {
  display: grid;
  gap: 20px;
}

.page-news .sechead__no {
  margin: 0 0 10px;
  color: var(--orange);
}

.page-news .sechead__no--dark { color: var(--neon); }

.page-news .sechead__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 4.2vw, 50px);
  line-height: 1.12;
  letter-spacing: .01em;
  color: var(--deep);
}

.page-news .nsec--deep .sechead__title { color: var(--mist); }

.page-news .sechead__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 焦点 ---------- */
.page-news .focus {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-news .frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid var(--steel);
  background: var(--abyss);
}

.page-news .frame__media {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-news .frame__plate {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(251,252,254,.94);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-news .focus__figure { aspect-ratio: 16 / 9; }

.page-news .focus__tag {
  margin: 0;
  color: var(--n-orange-ink);
}

.page-news .focus__title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.22;
  color: var(--deep);
}

.page-news .focus__text {
  margin: 0 0 22px;
  font-size: clamp(15px, 1.8vw, 16.5px);
  line-height: 1.85;
  color: var(--ink);
  max-width: 62ch;
}

.page-news .focus__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .focus__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .focus__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 9px;
  height: 2px;
  background: var(--orange);
}

/* ---------- chips ---------- */
.page-news .chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border: var(--n-rule);
  border-radius: var(--radius-pill);
  background: var(--paper);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .chip:hover {
  border-color: var(--orange);
  color: var(--deep);
}

.page-news .chip--tag {
  background: var(--plate-paper);
  border-color: rgba(255,106,23,.4);
  color: var(--n-orange-ink);
}

.page-news .tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 笔记目录 ---------- */
.page-news .notelist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--n-rule);
}

.page-news .note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  padding: 22px 0;
  border-bottom: var(--n-rule);
  transition: background var(--dur) var(--ease);
}

.page-news .note__no {
  font-size: 13px;
  line-height: 1.6;
  padding-top: 4px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-news .note__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-news .note__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink);
}

.page-news .note__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.32;
  color: var(--deep);
}

.page-news .note__excerpt {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(14.5px, 1.6vw, 16px);
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 主题带 ---------- */
.page-news .band--notes {
  position: relative;
  margin-block: clamp(30px, 4.4vw, 56px);
  border-radius: var(--radius-l);
  background: var(--n-band);
  color: var(--mist);
  overflow: hidden;
}

.page-news .band--notes::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -70%;
  width: 60%;
  height: 200%;
  background: radial-gradient(closest-side, rgba(60,255,166,.24), transparent);
  pointer-events: none;
}

.page-news .band__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: clamp(24px, 3.6vw, 42px);
}

.page-news .band__kicker {
  margin: 0;
  color: rgba(232,239,247,.6);
}

.page-news .band__lead {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.28;
  color: #fff;
}

.page-news .band__sub {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--neon);
}

.page-news .band__figure { aspect-ratio: 3 / 2; }

/* ---------- 方法手记 ---------- */
.page-news .method {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 46px);
}

.page-news .accordion {
  border-top: var(--n-rule);
}

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

.page-news .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--deep);
}

.page-news .accordion__index {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-news .accordion__label { flex: 1 1 auto; }

.page-news .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
}

.page-news .accordion__icon::before,
.page-news .accordion__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--orange);
  transform: translate(-50%, -50%);
}

.page-news .accordion__icon::before { width: 14px; height: 2px; }

.page-news .accordion__icon::after {
  width: 2px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

.page-news .accordion__item[data-open] .accordion__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-news .accordion__panel-inner {
  padding: 0 0 22px 34px;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .accordion__panel-inner p { margin: 0; }

.page-news .method__figure { aspect-ratio: 3 / 2; }

/* ---------- 赛程阶段 ---------- */
.page-news .phase {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--n-rule);
}

.page-news .phase__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-bottom: var(--n-rule);
}

.page-news .phase__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--n-orange-ink);
}

.page-news .phase__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.32;
  color: var(--deep);
}

.page-news .phase__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 版本更新 ---------- */
.page-news .releases {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 46px);
}

.page-news .releases__list {
  border-top: var(--n-rule-dark);
}

.page-news .release {
  padding: 22px 0;
  border-bottom: var(--n-rule-dark);
}

.page-news .release__ver {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-news .release__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.35;
  color: var(--mist);
}

.page-news .release__text {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(232,239,247,.76);
}

.page-news .releases__figure { aspect-ratio: 3 / 2; }

/* ---------- 系列索引 ---------- */
.page-news .series {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news .series__card {
  position: relative;
  display: block;
  padding: 26px 24px 30px;
  border: var(--n-rule);
  border-radius: var(--radius-m);
  background: var(--paper);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .series__card:hover {
  transform: translateY(-4px);
  border-color: var(--orange);
  box-shadow: var(--shadow-plate);
}

.page-news .series__no {
  display: block;
  margin-bottom: 14px;
  font-size: 34px;
  line-height: 1;
  color: var(--steel);
}

.page-news .series__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.3;
  color: var(--deep);
}

.page-news .series__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-news .series__more {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--n-orange-ink);
}

/* ---------- 回到顶部 ---------- */
.page-news .backtop {
  padding-block: 0 clamp(40px, 5vw, 68px);
  background: var(--paper);
}

.page-news .backtop__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--deep);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-news .backtop__link:hover { background: var(--orange); }

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-news .sechead--split {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

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

  .page-news .band__inner {
    grid-template-columns: 1fr 300px;
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 860px) {
  .page-news .note {
    grid-template-columns: 78px minmax(0, 1fr);
    padding: 28px 0;
    gap: 6px 24px;
  }

  .page-news .note:hover {
    background: linear-gradient(90deg, rgba(28,78,128,.07), transparent 72%);
  }

  .page-news .phase__item {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 40px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-news .masthead__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 56px;
  }

  .page-news .masthead__toc {
    border-top: 0;
    border-left: 1px solid rgba(195,212,230,.22);
    padding: 6px 0 6px 34px;
  }

  .page-news .focus {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-news .method,
  .page-news .releases {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: start;
  }

  .page-news .method__figure {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .page-news .band__inner {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note,
  .page-news .chip,
  .page-news .series__card,
  .page-news .backtop__link,
  .page-news .toc__link,
  .page-news .accordion__icon::after {
    transition: none;
  }

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