.page-news {
  --news-gutter: 20px;
  --news-card-pad: 20px;
  display: block;
  color: var(--text);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  padding: 22px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.page-news .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .breadcrumbs li {
  color: var(--muted);
}
.page-news .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}
.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}
.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--cyan);
}
.page-news .breadcrumbs [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 52px;
  border-bottom: 1px solid var(--line);
}
.page-news .news-hero__cut {
  position: absolute;
  right: -22%;
  top: -26%;
  width: 78%;
  height: 168%;
  transform: rotate(6deg);
  background: linear-gradient(158deg, rgba(53, 225, 214, 0.2), rgba(123, 77, 255, 0.1) 52%, rgba(7, 10, 18, 0) 78%);
  border-left: 1px solid rgba(53, 225, 214, 0.32);
  pointer-events: none;
}
.page-news .news-hero__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(38, 49, 63, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 49, 63, 0.5) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.35;
  pointer-events: none;
}
.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
}
.page-news .news-hero h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}
.page-news .news-hero__lead {
  max-width: 46em;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .news-hero__stats li {
  padding: 14px 12px;
  background: rgba(27, 36, 49, 0.72);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
}
.page-news .news-hero__num {
  display: block;
  font-size: clamp(22px, 5vw, 34px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
}
.page-news .news-hero__key {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 变更日志 ---------- */
.page-news .news-logs {
  padding: 56px 0 8px;
}
.page-news .news-logs__intro {
  max-width: 44em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .news-logs__banner {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-news .news-logs__banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.08) brightness(0.82);
}

.page-news .log-layout {
  margin-top: 30px;
}
.page-news .log-nav {
  margin-bottom: 20px;
}
.page-news .log-nav__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-news .log-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .log-nav__link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--text);
  text-decoration: none;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.page-news .log-nav__link:hover,
.page-news .log-nav__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .log-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-news .log-item {
  position: relative;
  padding: var(--news-card-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
}
.page-news .log-item--new {
  border-left-color: var(--amber);
  background: linear-gradient(90deg, rgba(255, 167, 51, 0.08), rgba(16, 22, 31, 0) 46%), var(--panel);
}
.page-news .log-item--adjust {
  border-left-color: var(--violet);
}
.page-news .log-item--fix {
  border-left-color: #3a4757;
}
.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news .log-item__time {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-news .log-item__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 4.4vw, 23px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-news .log-item__lead {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .log-item__more {
  margin-top: 12px;
}
.page-news .log-item__more summary {
  display: inline-block;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  list-style: none;
  border-bottom: 1px dashed rgba(53, 225, 214, 0.5);
}
.page-news .log-item__more summary::-webkit-details-marker {
  display: none;
}
.page-news .log-item__more summary::before {
  content: "+ ";
}
.page-news .log-item__more[open] summary::before {
  content: "− ";
}
.page-news .log-item__more p {
  margin: 12px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 赛季观察 ---------- */
.page-news .news-season {
  padding: 64px 0 8px;
}
.page-news .season-feature {
  display: grid;
  gap: 0;
}
.page-news .season-feature__media {
  margin: 0;
  border: 1px solid var(--line);
}
.page-news .season-feature__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.1) brightness(0.8);
}
.page-news .season-feature__body {
  margin-top: -40px;
  padding: 26px 20px 24px;
  background: linear-gradient(180deg, rgba(27, 36, 49, 0.96), rgba(16, 22, 31, 0.98));
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  border-radius: var(--radius);
}
.page-news .season-feature__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}
.page-news .season-feature__lead {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .season-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-news .season-list__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.page-news .season-list__idx {
  font-size: 13px;
  color: var(--violet);
  letter-spacing: 0.08em;
}
.page-news .season-list__title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
}
.page-news .season-list__desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .season-feature__cta {
  margin-top: 24px;
}

/* ---------- 数据方法笔记 ---------- */
.page-news .news-method {
  padding: 64px 0 8px;
}
.page-news .method {
  display: grid;
  gap: 28px;
}
.page-news .method__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}
.page-news .method__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .method__list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: method;
}
.page-news .method__item {
  position: relative;
  padding: 16px 0 16px 20px;
  border-left: 1px solid var(--line);
}
.page-news .method__item::before {
  counter-increment: method;
  content: "M-" counter(method, decimal-leading-zero);
  position: absolute;
  left: -1px;
  top: 16px;
  transform: translateX(-50%);
  padding: 2px 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: var(--ink);
}
.page-news .method__item-title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
}
.page-news .method__item-desc {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .method__media {
  margin: 0;
  border: 1px solid var(--line);
}
.page-news .method__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.02) contrast(1.08) brightness(0.82);
}

/* ---------- 订阅 ---------- */
.page-news .news-sub {
  padding: 64px 0 8px;
}
.page-news .news-sub__intro {
  max-width: 44em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .sub-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.page-news .sub-card {
  padding: var(--news-card-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.page-news .sub-card--change {
  border-top: 3px solid var(--amber);
}
.page-news .sub-card--digest {
  border-top: 3px solid var(--violet);
}
.page-news .sub-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news .sub-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 167, 51, 0.16);
}
.page-news .sub-card__dot--violet {
  background: var(--violet);
  box-shadow: 0 0 0 4px rgba(123, 77, 255, 0.18);
}
.page-news .sub-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.page-news .sub-card__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .sub-card__preview {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.page-news .sub-card__preview summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  list-style: none;
}
.page-news .sub-card__preview summary::-webkit-details-marker {
  display: none;
}
.page-news .sub-card__preview summary::before {
  content: "▸ ";
}
.page-news .sub-card__preview[open] summary::before {
  content: "▾ ";
}
.page-news .preview-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-news .preview-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
}

.page-news .news-sub__media {
  margin: 24px 0 0;
  border: 1px solid var(--line);
}
.page-news .media-frame--8x5 {
  aspect-ratio: 8 / 5;
}
.page-news .news-sub__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1) contrast(1.06) brightness(0.86);
}

.page-news .news-align {
  display: grid;
  gap: 12px;
  margin-top: 24px;
  padding: 20px;
  background: rgba(255, 167, 51, 0.07);
  border: 1px solid rgba(255, 167, 51, 0.34);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
}
.page-news .news-align__pill {
  justify-self: start;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
  background: rgba(255, 167, 51, 0.14);
  border: 1px solid rgba(255, 167, 51, 0.4);
  border-radius: var(--radius);
}
.page-news .news-align__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 合集入口 ---------- */
.page-news .news-collections {
  padding: 64px 0 72px;
}
.page-news .collection-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}
.page-news .collection-card {
  display: block;
  padding: 22px 20px;
  text-decoration: none;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.page-news .collection-card:hover,
.page-news .collection-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(53, 225, 214, 0.06);
}
.page-news .collection-card__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.page-news .collection-card__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.page-news .collection-card__desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .collection-card__more {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}
.page-news .collection-card:hover .collection-card__more,
.page-news .collection-card:focus-visible .collection-card__more {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 标签补充 ---------- */
.page-news .tag--fix {
  color: var(--muted);
  background: rgba(58, 71, 87, 0.4);
  border: 1px solid var(--line);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 52px 0 68px;
  }
  .page-news .log-item {
    padding: 22px 26px 20px;
  }
  .page-news .season-feature__body {
    padding: 30px 28px 28px;
  }
  .page-news .sub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .collection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .news-align {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 18px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-news .news-hero__cut {
    right: -8%;
    width: 58%;
  }
  .page-news .log-layout {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 40px;
    margin-top: 38px;
  }
  .page-news .log-nav {
    position: sticky;
    top: 28px;
    align-self: start;
    margin-bottom: 0;
    padding-right: 18px;
    border-right: 1px solid var(--line);
  }
  .page-news .log-nav__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 10px;
  }
  .page-news .log-nav__link {
    width: 100%;
    padding: 9px 12px 9px 14px;
    background: transparent;
    border-color: transparent;
    border-left: 2px solid var(--line);
    border-radius: 0;
  }
  .page-news .log-nav__link:hover,
  .page-news .log-nav__link:focus-visible {
    transform: none;
    border-left-color: var(--cyan);
    background: rgba(53, 225, 214, 0.06);
  }

  .page-news .season-feature {
    grid-template-columns: 1.15fr minmax(0, 1fr);
    align-items: stretch;
  }
  .page-news .season-feature__body {
    margin-top: 0;
    margin-left: -72px;
    align-self: center;
    border-top-width: 1px;
    border-left: 3px solid var(--violet);
    box-shadow: 0 24px 60px rgba(7, 10, 18, 0.6);
  }
  .page-news .method {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 44px;
    align-items: start;
  }
  .page-news .method__media {
    position: sticky;
    top: 28px;
  }
  .page-news .news-sub__media {
    margin-top: 30px;
  }
  .page-news .collection-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-log__title {
    letter-spacing: -0.02em;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1280px) {
  .page-news .news-hero {
    padding: 66px 0 84px;
  }
  .page-news .news-hero__stats {
    max-width: 720px;
  }
  .page-news .log-item {
    padding: 24px 30px 22px;
  }
  .page-news .season-feature__body {
    padding: 36px 34px 32px;
  }
}