.page-news {
  --news-gap: clamp(1.4rem, 4vw, 2.75rem);
  --news-card-pad: clamp(1.1rem, 2.4vw, 1.6rem);
  overflow-x: clip;
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(2.5rem, 7vw, 5rem);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -32%;
  right: -22%;
  width: min(760px, 92vw);
  height: min(760px, 92vw);
  background: radial-gradient(circle at 50% 50%, rgba(31, 138, 91, 0.34), rgba(7, 23, 18, 0) 68%);
  transform: skewY(-8deg);
  pointer-events: none;
}

.page-news .news-hero-grid {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-hero-copy {
  max-width: 42rem;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.75rem, 11vw, 6rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 0.9rem;
}

.page-news .news-hero-lead {
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 2vw, 1.1rem);
  line-height: 1.85;
  color: var(--grey);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-news .news-hero-media {
  margin: 0;
}

.page-news .news-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
  }
}

/* ---------- 章节抬头 ---------- */
.page-news .news-section {
  position: relative;
}

.page-news .news-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.85rem, 3vw, 1.75rem);
  align-items: start;
  margin-bottom: clamp(1.75rem, 5vw, 3rem);
}

.page-news .news-chapter-index {
  font-size: clamp(2.1rem, 7vw, 4.25rem);
  line-height: 0.8;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  user-select: none;
}

@supports not (-webkit-text-stroke: 1px #000) {
  .page-news .news-chapter-index {
    color: var(--line-strong);
  }
}

/* ---------- 速览列表 ---------- */
.page-news .news-digest {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.6rem);
}

.page-news .news-digest-item {
  display: grid;
  gap: 0.6rem;
}

.page-news .news-digest-index {
  font-size: clamp(1.05rem, 2.6vw, 1.45rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--turf);
  border-top: 2px solid var(--line-lime);
  padding-top: 0.45rem;
}

.page-news .news-card {
  position: relative;
  padding: var(--news-card-pad) calc(var(--news-card-pad) * 1.05);
  background: linear-gradient(160deg, rgba(11, 42, 35, 0.92), rgba(7, 23, 18, 0.72));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 48px;
  height: 2px;
  background: var(--turf);
  transition: width 0.4s var(--ease), background 0.4s var(--ease);
}

.page-news .news-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-news .news-card:hover::before {
  width: 128px;
  background: var(--lime);
}

.page-news .news-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.page-news .news-card .card-title {
  margin: 0 0 0.55rem;
  font-size: clamp(1.12rem, 2.6vw, 1.42rem);
  line-height: 1.4;
}

.page-news .news-card .card-text {
  margin: 0 0 0.9rem;
  color: var(--grey);
  font-size: 0.96rem;
  line-height: 1.8;
}

.page-news .news-card-link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 212, 191, 0.4);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .news-card-link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

@media (min-width: 760px) {
  .page-news .news-digest-item {
    grid-template-columns: 4.25rem minmax(0, 1fr);
    gap: clamp(1rem, 2.6vw, 1.75rem);
    align-items: start;
  }

  .page-news .news-digest-item:nth-child(even) {
    transform: translateX(clamp(0.75rem, 3vw, 2.5rem));
  }

  .page-news .news-digest-item:nth-child(3n) {
    transform: translateX(clamp(0.35rem, 1.4vw, 1.15rem));
  }
}

/* ---------- 城市行专题 ---------- */
.page-news .news-city-grid {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-city-media {
  margin: 0;
}

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

@media (min-width: 960px) {
  .page-news .news-city-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

.page-news .news-city-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.75rem;
}

.page-news .news-city-tabs .tab-btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.5rem 1.15rem;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .news-city-tabs .tab-btn:hover {
  border-color: var(--lime);
}

.page-news .news-city-tabs .tab-btn[aria-selected="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
}

.page-news .news-city-tabs .tab-panel {
  padding-top: 1.35rem;
}

.page-news .news-city-tabs .tab-panel h3 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.12rem, 2.6vw, 1.4rem);
  line-height: 1.4;
}

.page-news .news-city-tabs .tab-panel p {
  margin: 0 0 1rem;
  color: var(--grey);
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-news .news-city-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-news .news-city-points li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--white);
}

.page-news .news-city-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66rem;
  width: 0.55rem;
  height: 2px;
  background: var(--lime);
}

/* ---------- 版本日志 ---------- */
.page-news .news-version-grid {
  display: grid;
  gap: var(--news-gap);
}

.page-news .news-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 clamp(1.35rem, 4vw, 2rem);
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: clamp(1.3rem, 3.5vw, 2rem);
}

.page-news .news-version-item {
  position: relative;
}

.page-news .news-version-item::before {
  content: "";
  position: absolute;
  left: calc(clamp(1.35rem, 4vw, 2rem) * -1);
  top: 0.5rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--turf);
  border: 2px solid var(--night);
  transform: translateX(-50%);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-news .news-version-item:hover::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(183, 255, 74, 0.16);
}

.page-news .news-version-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--night);
  background: var(--lime);
  padding: 0.18rem 0.55rem;
  margin-bottom: 0.5rem;
}

.page-news .news-version-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  line-height: 1.5;
}

.page-news .news-version-item p {
  margin: 0;
  color: var(--grey);
  font-size: 0.94rem;
  line-height: 1.78;
}

.page-news .news-version-media {
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-news .news-version-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

/* ---------- 报名追踪 ---------- */
.page-news .news-signup-grid {
  display: grid;
  gap: var(--news-gap);
  margin-bottom: clamp(1.75rem, 5vw, 3rem);
}

.page-news .news-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-signup-table {
  width: 100%;
  min-width: 30rem;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.page-news .news-signup-table th,
.page-news .news-signup-table td {
  text-align: left;
  padding: 0.8rem 0.7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.page-news .news-signup-table thead th {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--grey);
  border-bottom-color: var(--line-strong);
}

.page-news .news-signup-table tbody th {
  font-weight: 700;
  white-space: nowrap;
}

.page-news .news-signup-table tbody tr {
  transition: background 0.25s var(--ease);
}

.page-news .news-signup-table tbody tr:hover {
  background: rgba(31, 138, 91, 0.14);
}

.page-news .news-signup-media {
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-news .news-signup-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.page-news .news-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.5rem);
}

.page-news .news-steps li {
  padding-top: 1rem;
  border-top: 2px solid var(--turf);
}

.page-news .news-steps li .mono {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin-bottom: 0.4rem;
}

.page-news .news-steps h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  line-height: 1.45;
}

.page-news .news-steps p {
  margin: 0;
  color: var(--grey);
  font-size: 0.92rem;
  line-height: 1.78;
}

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

@media (min-width: 1080px) {
  .page-news .news-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 数据观察 ---------- */
.page-news .news-data-grid {
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.5rem);
}

.page-news .news-data-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 42, 35, 0.72), rgba(7, 23, 18, 0.55));
  padding: var(--news-card-pad);
}

.page-news .news-data-card .card-title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
}

.page-news .news-data-card .card-text {
  margin: 0;
  color: var(--grey);
  font-size: 0.93rem;
  line-height: 1.8;
}

@media (min-width: 760px) {
  .page-news .news-data-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-news .news-data-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .news-meter {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.15rem;
}

.page-news .news-meter-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 0.75rem;
  align-items: center;
  font-size: 0.85rem;
}

.page-news .news-meter-label {
  color: var(--white);
}

.page-news .news-meter-value {
  color: var(--grey);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.page-news .news-meter-track {
  grid-column: 1 / -1;
  display: block;
  height: 7px;
  background: rgba(201, 210, 204, 0.14);
  position: relative;
  overflow: hidden;
}

.page-news .news-meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--turf), var(--lime));
}

.page-news .news-meter-fill--signal {
  background: linear-gradient(90deg, rgba(255, 212, 71, 0.45), var(--signal));
}

.page-news .news-meter-fill--alert {
  background: linear-gradient(90deg, rgba(228, 71, 62, 0.4), var(--alert));
}

.page-news .news-meter-fill--cyan {
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.35), var(--cyan));
}

.page-news .news-eco {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px dashed var(--line-strong);
  display: grid;
  gap: 1.1rem;
}

.page-news .news-eco-item {
  display: grid;
  gap: 0.3rem;
}

.page-news .news-eco-num {
  font-size: clamp(1.45rem, 4vw, 2.05rem);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-news .news-eco-label {
  font-size: 0.82rem;
  color: var(--grey);
  line-height: 1.5;
}

@media (min-width: 620px) {
  .page-news .news-eco {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-news .news-eco {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm-grid {
  display: grid;
  gap: var(--news-gap);
}

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

.page-news .news-phases li {
  display: grid;
  gap: 0.55rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-phases li:first-child {
  border-top: 1px solid var(--line);
}

.page-news .news-phase-tag {
  display: inline-block;
  justify-self: start;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  border: 1px solid var(--line-lime);
  padding: 0.25rem 0.55rem;
  white-space: nowrap;
}

.page-news .news-phase-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  line-height: 1.45;
}

.page-news .news-phase-body p {
  margin: 0;
  color: var(--grey);
  font-size: 0.94rem;
  line-height: 1.8;
}

@media (min-width: 620px) {
  .page-news .news-phases li {
    grid-template-columns: 6rem minmax(0, 1fr);
    gap: 0.35rem 1.25rem;
    align-items: start;
    padding: 1.25rem 0;
  }
}

.page-news .news-follow {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(31, 138, 91, 0.2), rgba(11, 42, 35, 0.55));
  padding: clamp(1.25rem, 3vw, 1.9rem);
}

.page-news .news-follow h3 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.page-news .news-tag-cloud {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news .news-follow .text-dim {
  margin: 0 0 1.15rem;
  font-size: 0.9rem;
  line-height: 1.78;
}

.page-news .news-follow .btn {
  margin-bottom: 0.6rem;
}

.page-news .news-follow .btn:last-child {
  margin-bottom: 0;
}

@media (min-width: 940px) {
  .page-news .news-rhythm-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .news-card::before,
  .page-news .news-version-item::before,
  .page-news .news-city-tabs .tab-btn,
  .page-news .news-signup-table tbody tr {
    transition: none;
  }

  .page-news .news-card:hover {
    transform: none;
  }
}