.page-news {
  --news-gap: clamp(20px, 3.2vw, 38px);
  --news-rail: 236px;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .section {
  padding: clamp(56px, 9vw, 108px) 0;
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-news .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .reveal {
  opacity: 1;
  transform: none;
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

/* ---------- 首屏 ---------- */
.news-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, var(--ink-green-deep) 0%, var(--ink-green) 58%, #0d4b46 100%);
  color: var(--text-on-dark);
}

.news-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -34%;
  width: 78%;
  height: 74%;
  background: radial-gradient(closest-side, rgba(0, 229, 192, .2), transparent 72%);
  pointer-events: none;
}

.news-hero .container {
  position: relative;
  z-index: 1;
}

.news-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(26px, 5vw, 46px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: rgba(215, 230, 223, .66);
}

.news-hero__crumb a {
  color: var(--cyan-soft);
  text-decoration: none;
}

.news-hero__crumb a:hover,
.news-hero__crumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.news-hero__tower {
  max-width: 760px;
}

.news-hero .eyebrow {
  color: var(--cyan);
}

.news-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.6vw, 56px);
  line-height: 1.18;
  letter-spacing: .01em;
  color: #ffffff;
}

.news-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.9;
  color: rgba(215, 230, 223, .9);
}

.news-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
}

.news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: clamp(38px, 6vw, 64px) 0 0;
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-dark);
}

.news-stats__item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sage);
}

.news-stats__item dd {
  margin: 8px 0 0;
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 章节头 ---------- */
.news-sec__head {
  max-width: 70ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.news-sec__head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.2vw, 38px);
  line-height: 1.28;
  color: var(--ink-green-deep);
}

.news-sec__intro {
  margin: 16px 0 0;
  font-size: clamp(15.5px, 2vw, 17px);
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 分类标签 ---------- */
.news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.news-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  font-size: 14px;
  color: var(--ink-green);
  text-decoration: none;
  transition: background .28s var(--ease), border-color .28s var(--ease), transform .28s var(--ease);
}

.news-chip:hover,
.news-chip:focus-visible {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.news-chip__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
}

/* ---------- 记录区 ---------- */
.news-records__figure {
  margin: 0 0 clamp(30px, 4.4vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.news-thread {
  --thread-accent: var(--sage);
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
  padding: clamp(20px, 3vw, 38px);
  margin-bottom: var(--news-gap);
  border: 1px solid var(--line);
  border-top: 3px solid var(--thread-accent);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.news-thread--index {
  --thread-accent: var(--cyan);
}

.news-thread--usage {
  --thread-accent: var(--wine);
}

.news-thread__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--thread-accent);
}

.news-thread__rail h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 23px);
  line-height: 1.3;
  color: var(--ink-green-deep);
}

.news-thread__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.news-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}

.news-item {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, var(--paper) 100%);
  transition: border-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}

.news-item:hover {
  border-color: var(--thread-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.news-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

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

.news-item h4 {
  margin: 0 0 10px;
  font-size: clamp(16.5px, 2.2vw, 18.5px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink-green-deep);
}

.news-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.news-item__figure {
  margin: 14px 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.news-item__more {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.news-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-green);
}

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

.news-item__more summary::after {
  content: "＋";
  color: var(--orange);
  font-size: 14px;
}

.news-item__more[open] summary::after {
  content: "－";
}

.news-item__more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.news-item__more ul {
  margin: 14px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 索引说明 ---------- */
.news-index {
  background: linear-gradient(170deg, var(--indigo) 0%, #241f3b 100%);
  color: var(--text-on-dark);
}

.news-index__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.news-index__eyebrow {
  color: var(--cyan);
}

.news-index h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.3;
  color: #ffffff;
}

.news-index__body p {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(215, 230, 223, .86);
}

.news-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.news-points li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(215, 230, 223, .88);
}

.news-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 13px;
  height: 2px;
  background: var(--cyan);
}

.news-index__link a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.news-index__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 时间线 ---------- */
.news-line {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: clamp(26px, 3.6vw, 44px);
}

.news-line::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--indigo) 52%, var(--wine) 100%);
}

.news-line__node {
  position: relative;
  padding-left: 36px;
}

.news-line__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--indigo);
  box-shadow: 0 0 0 4px rgba(47, 42, 74, .12);
}

.news-line__node:nth-child(1) .news-line__dot {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 192, .18);
}

.news-line__node:nth-child(3) .news-line__dot {
  border-color: var(--wine);
  box-shadow: 0 0 0 4px rgba(110, 31, 58, .16);
}

.news-line__stage {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--wine);
}

.news-line__node h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 23px);
  line-height: 1.32;
  color: var(--ink-green-deep);
}

.news-line__node p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 场景故事 ---------- */
.news-stories__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.news-story {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.news-story__figure {
  margin: 0 0 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.news-story h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.8vw, 22px);
  line-height: 1.4;
  color: var(--ink-green-deep);
}

.news-story p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.news-story__link {
  align-self: flex-start;
  margin-top: 4px;
}

/* ---------- 更新节奏 ---------- */
.news-cadence {
  background: linear-gradient(142deg, var(--ink-green) 0%, var(--ink-green-deep) 100%);
  color: var(--text-on-dark);
}

.news-cadence__grid {
  display: grid;
  gap: clamp(28px, 4vw, 54px);
}

.news-cadence__eyebrow {
  color: var(--cyan);
}

.news-cadence h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.2vw, 36px);
  line-height: 1.3;
  color: #ffffff;
}

.news-cadence__body p {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(215, 230, 223, .88);
}

.news-cadence__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 34px);
}

.news-cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}

.news-cadence__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(215, 230, 223, .88);
}

.news-cadence__k {
  flex: 0 0 auto;
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .news-stories__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .news-thread {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .news-index__grid {
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
  }

  .news-index__figure {
    order: 2;
  }

  .news-cadence__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .news-cadence__list {
    padding-top: 6px;
  }
}

@media (min-width: 1100px) {
  .news-line {
    padding-left: 8px;
  }

  .news-line__node {
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}