.page-news {
  --news-aside: 258px;
  --news-rule: rgba(255, 248, 236, 0.18);
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  padding: var(--sp-6) 0 var(--sp-7);
  background: linear-gradient(158deg, var(--ou-blue) 0%, var(--ou-blue-deep) 58%, var(--ou-green-deep) 100%);
  color: var(--ou-cream);
  border-bottom: 3px solid var(--ou-orange);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -34%;
  width: 78%;
  height: 74%;
  background: var(--ou-orange);
  opacity: 0.13;
  transform: skewY(-9deg);
  pointer-events: none;
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: -6%;
  top: -22%;
  width: 40%;
  height: 60%;
  border: 1px solid rgba(25, 227, 209, 0.35);
  border-radius: 50%;
  pointer-events: none;
}

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

.page-news .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-5);
  padding: 0;
  list-style: none;
  font-size: var(--fs-14);
}

.page-news .crumbs li + li::before {
  content: "/";
  margin-right: var(--sp-2);
  color: rgba(255, 248, 236, 0.45);
}

.page-news .crumbs a {
  color: var(--ou-mist);
  text-decoration: none;
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--ou-cyan);
  text-decoration: underline;
}

.page-news .crumbs [aria-current="page"] {
  color: var(--ou-orange);
}

.page-news .eyebrow {
  color: var(--ou-orange);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 var(--sp-3);
}

.page-news .page-title {
  margin: 0 0 var(--sp-4);
  color: var(--ou-cream);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 7vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 18em;
}

.page-news .lede {
  max-width: 46ch;
  color: rgba(255, 248, 236, 0.82);
  font-size: var(--fs-16);
  line-height: 1.75;
  margin: 0;
}

.page-news .mast-stats {
  list-style: none;
  margin: var(--sp-6) 0 0;
  padding: var(--sp-5) 0 0;
  border-top: 1px solid var(--news-rule);
  display: grid;
  gap: var(--sp-4);
}

.page-news .mast-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-news .mast-stats .num {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1;
  color: var(--ou-orange);
}

.page-news .mast-stats li span:last-child {
  font-size: var(--fs-14);
  color: var(--ou-mist);
}

/* ---------- 头条专题 ---------- */
.page-news .feature {
  position: relative;
  overflow: hidden;
  padding: var(--sp-7) 0;
  background: var(--ou-green);
  color: var(--ou-cream);
}

.page-news .feature::before {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--ou-orange) 0 28px, transparent 28px 56px);
  opacity: 0.5;
}

.page-news .feature-grid {
  display: grid;
  gap: var(--sp-6);
  align-items: center;
}

.page-news .feature-title {
  margin: var(--sp-3) 0 var(--sp-4);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 5vw, 2.55rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  max-width: 15em;
}

.page-news .feature-text {
  margin: 0 0 var(--sp-5);
  max-width: 42ch;
  color: rgba(255, 248, 236, 0.82);
  line-height: 1.8;
}

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

.page-news .feature-media .media__frame {
  border-radius: var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
  overflow: hidden;
  border: 1px solid rgba(255, 138, 31, 0.5);
  background: linear-gradient(140deg, var(--ou-blue), var(--ou-green-deep));
}

.page-news .feature-media img,
.page-news .story-media img,
.page-news .log-media img,
.page-news .pitch-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .media__caption {
  margin-top: var(--sp-2);
  font-size: var(--fs-12);
  color: rgba(255, 248, 236, 0.6);
}

/* ---------- 内容流 ---------- */
.page-news .stream {
  padding: var(--sp-7) 0 var(--sp-8);
  background: var(--ou-cream);
}

.page-news .stream-grid {
  display: grid;
  gap: var(--sp-6);
}

.page-news .aside-title {
  margin: 0 0 var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 2px solid var(--ou-ink);
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--text-strong);
}

.page-news .aside-subtitle {
  margin: var(--sp-5) 0 var(--sp-3);
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--text-mute);
  text-transform: uppercase;
}

.page-news .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--ou-ink);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-news .index-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.9rem var(--sp-4);
  background: var(--ou-blue);
  color: var(--ou-cream);
  text-decoration: none;
  font-weight: 700;
  border-left: 3px solid transparent;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-news .index-list a:hover,
.page-news .index-list a:focus-visible {
  background: var(--ou-green);
  border-left-color: var(--ou-orange);
  outline: none;
}

.page-news .index-list .num {
  font-family: var(--font-mono);
  color: var(--ou-cyan);
  font-size: var(--fs-14);
}

.page-news .tag-cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-news .aside-note {
  margin: var(--sp-4) 0 var(--sp-4);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-mute);
}

.page-news .aside-btn {
  display: inline-block;
}

.page-news .section-head {
  margin-bottom: var(--sp-5);
}

.page-news .section-title {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-news .story-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-news .story {
  position: relative;
  padding: var(--sp-5) var(--sp-5) var(--sp-5) var(--sp-4);
  border-bottom: 1px solid var(--line);
  border-left: 3px solid transparent;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.page-news .story::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38px;
  height: 38px;
  background: var(--ou-sand);
  opacity: 0.35;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  transition: opacity 0.18s ease, background 0.18s ease;
}

.page-news .story:hover,
.page-news .story:focus-within {
  border-left-color: var(--ou-orange);
  background: rgba(255, 138, 31, 0.05);
  transform: translateX(2px);
}

.page-news .story:hover::after,
.page-news .story:focus-within::after {
  background: var(--ou-orange);
  opacity: 1;
}

.page-news .story-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin: 0 0 var(--sp-2);
}

.page-news .story-time {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

.page-news .story-title {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-strong);
  max-width: 26em;
}

.page-news .story-text {
  margin: 0 0 var(--sp-3);
  max-width: 46ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--text-body);
}

.page-news .story-link {
  display: inline-block;
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--ou-green);
  text-decoration: none;
  border-bottom: 2px solid var(--ou-orange);
  padding-bottom: 2px;
}

.page-news .story-link:hover,
.page-news .story-link:focus-visible {
  color: var(--ou-orange);
  outline: none;
}

.page-news .story-media {
  margin: 0 0 var(--sp-4);
}

.page-news .story-media .media__frame {
  overflow: hidden;
  border-radius: var(--radius-m);
  background: linear-gradient(140deg, var(--ou-green), var(--ou-blue));
}

.page-news .story--lead .story-title {
  font-size: clamp(1.35rem, 4.4vw, 1.75rem);
}

/* ---------- 赛季阶段 ---------- */
.page-news .season {
  padding: var(--sp-7) 0 var(--sp-8);
  background: linear-gradient(170deg, var(--ou-blue) 0%, var(--ou-green-deep) 100%);
  color: var(--ou-cream);
}

.page-news .season .section-title {
  color: var(--ou-cream);
}

.page-news .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--news-rule);
}

.page-news .tabs__tab {
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 700;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 248, 236, 0.32);
  background: transparent;
  color: var(--ou-cream);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-news .tabs__tab:hover,
.page-news .tabs__tab:focus-visible {
  border-color: var(--ou-cyan);
  outline: none;
}

.page-news .tabs__tab[aria-selected="true"] {
  background: var(--ou-orange);
  border-color: var(--ou-orange);
  color: var(--ou-ink);
}

.page-news .tabs__panel {
  padding-top: var(--sp-5);
}

.page-news .tabs__panel[hidden] {
  display: none;
}

.page-news .stage-list {
  list-style: none;
  margin: 0 0 var(--sp-5);
  padding: 0;
  display: grid;
  gap: var(--sp-4);
}

.page-news .stage-list li {
  padding: var(--sp-4);
  background: rgba(255, 248, 236, 0.06);
  border-radius: var(--radius-m);
  border-left: 3px solid var(--ou-sand);
}

.page-news .stage-list h3 {
  margin: 0 0 var(--sp-2);
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--ou-orange);
}

.page-news .stage-list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(255, 248, 236, 0.8);
}

/* ---------- 更新日志 ---------- */
.page-news .changelog {
  padding: var(--sp-7) 0 var(--sp-8);
  background: var(--ou-cream);
}

.page-news .log-grid {
  display: grid;
  gap: var(--sp-6);
}

.page-news .log-lede {
  margin: 0 0 var(--sp-5);
  max-width: 44ch;
  color: var(--text-body);
  line-height: 1.75;
}

.page-news .log {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--sp-5);
  border-left: 2px solid var(--ou-sand);
}

.page-news .log li {
  position: relative;
  padding: 0 0 var(--sp-5);
}

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

.page-news .log li::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--sp-5) - 7px);
  top: 0.45rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ou-orange);
  box-shadow: 0 0 0 3px var(--ou-cream);
}

.page-news .log-time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--ou-green);
  background: rgba(201, 162, 75, 0.24);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-s);
  margin-bottom: var(--sp-2);
}

.page-news .log h3 {
  margin: 0 0 var(--sp-1);
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--text-strong);
}

.page-news .log p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-body);
  max-width: 42ch;
}

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

.page-news .log-media .media__frame {
  overflow: hidden;
  border-radius: var(--radius-l) var(--radius-m) var(--radius-l) var(--radius-m);
  background: linear-gradient(150deg, var(--ou-green), var(--ou-blue));
}

.page-news .log-media .media__caption {
  color: var(--text-mute);
}

/* ---------- 选题征集 ---------- */
.page-news .pitch {
  padding: var(--sp-7) 0 var(--sp-8);
  background: var(--ou-green);
  color: var(--ou-cream);
}

.page-news .pitch-grid {
  display: grid;
  gap: var(--sp-6);
  align-items: center;
}

.page-news .pitch .eyebrow {
  color: var(--ou-cyan);
}

.page-news .pitch .section-title {
  color: var(--ou-cream);
}

.page-news .pitch-copy p {
  margin: 0 0 var(--sp-5);
  max-width: 46ch;
  line-height: 1.8;
  color: rgba(255, 248, 236, 0.82);
}

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

.page-news .pitch-media .media__frame {
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid rgba(25, 227, 209, 0.4);
  background: linear-gradient(140deg, var(--ou-blue), var(--ou-green-deep));
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-news .mast-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .story {
    padding-left: var(--sp-5);
  }
}

@media (min-width: 768px) {
  .page-news .news-masthead {
    padding: var(--sp-7) 0 var(--sp-8);
  }

  .page-news .feature-grid,
  .page-news .log-grid,
  .page-news .pitch-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--sp-7);
  }

  .page-news .stage-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .page-news .stream-grid {
    grid-template-columns: var(--news-aside) minmax(0, 1fr);
    gap: var(--sp-7);
    align-items: start;
  }

  .page-news .stream-aside {
    position: sticky;
    top: var(--sp-5);
  }

  .page-news .log-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
  }

  .page-news .log-media {
    position: sticky;
    top: var(--sp-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .story,
  .page-news .story::after,
  .page-news .index-list a,
  .page-news .tabs__tab {
    transition: none;
  }

  .page-news .story:hover,
  .page-news .story:focus-within {
    transform: none;
  }
}