.page-news {
  --news-rule: rgba(169, 214, 204, 0.18);
  --news-rule-strong: rgba(169, 214, 204, 0.42);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-news .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 26px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  color: var(--graphite);
}

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

.page-news .crumbs a:hover {
  color: var(--celadon);
}

/* ---------- 头条 ---------- */
.page-news .news-hero {
  position: relative;
  background:
    radial-gradient(118% 88% at 90% 2%, rgba(79, 175, 155, 0.15), transparent 60%),
    var(--ink);
}

.page-news .news-hero__inner {
  position: relative;
  display: grid;
  gap: 28px;
  padding-top: 40px;
  padding-bottom: 52px;
}

.page-news .news-hero__inner::before,
.page-news .news-hero__inner::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border-style: solid;
  border-color: var(--mist);
  border-width: 1px 0 0 1px;
  opacity: 0.45;
  pointer-events: none;
}

.page-news .news-hero__inner::before {
  top: 6px;
  left: 12px;
}

.page-news .news-hero__inner::after {
  bottom: 6px;
  right: 12px;
  transform: rotate(180deg);
}

.page-news .news-hero__tick {
  display: none;
  position: absolute;
  right: -8px;
  top: 96px;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--celadon);
  opacity: 0.7;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.4vw, var(--fs-2));
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 20ch;
}

.page-news .news-hero__lead {
  margin: 20px 0 0;
  max-width: 36ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sand);
}

.page-news .news-hero__points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--news-rule);
  padding-top: 18px;
}

.page-news .news-hero__points li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-news .news-hero__points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 14px;
  height: 1.5px;
  background: var(--celadon);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-hero__figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--news-rule-strong);
  background: var(--ink-2);
  box-shadow: var(--shadow-panel);
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-news .news-hero__caption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-6);
  letter-spacing: 0.06em;
  color: var(--graphite);
}

/* ---------- 改版专题主题带 ---------- */
.page-news .news-band {
  background: var(--paper);
  color: var(--ink);
  padding: 40px 0 44px;
  position: relative;
  border-top: 1px solid rgba(11, 26, 43, 0.18);
  border-bottom: 1px solid rgba(11, 26, 43, 0.18);
}

.page-news .news-band .eyebrow {
  color: var(--celadon-deep);
}

.page-news .news-band__inner {
  display: grid;
  gap: 26px;
}

.page-news .news-band__head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 5.4vw, var(--fs-3));
  line-height: 1.24;
  letter-spacing: -0.005em;
  color: var(--ink);
  max-width: 24ch;
}

.page-news .news-band__text {
  margin: 16px 0 0;
  max-width: 36ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite-deep);
}

.page-news .news-band__cta {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

.page-news .news-band__cta:hover {
  background: transparent;
  color: var(--ink);
}

.page-news .news-band__media {
  position: relative;
  margin: 0;
  border: 1px solid rgba(11, 26, 43, 0.24);
  background: #fff;
  padding: 8px;
}

.page-news .news-band__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .news-band__media figcaption {
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}

.page-news .news-band__stamp {
  position: absolute;
  top: -10px;
  right: 12px;
  padding: 3px 9px;
  background: var(--cinnabar);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-news .news-band__rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-band__rail:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-news .news-spec {
  flex: 0 0 76%;
  scroll-snap-align: start;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink-2);
  border-top: 2px solid var(--cinnabar);
  padding: 18px 18px 20px;
}

.page-news .news-spec__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--celadon);
}

.page-news .news-spec h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .news-spec p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 更新清单 ---------- */
.page-news .news-log {
  padding: 48px 0 56px;
  background: var(--ink);
}

.page-news .news-log__head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 5.4vw, var(--fs-3));
  line-height: 1.24;
  color: var(--paper);
}

.page-news .news-log__intro {
  margin: 14px 0 0;
  max-width: 36ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .news-log__banner {
  margin: 26px 0 28px;
  border: 1px solid var(--news-rule);
  overflow: hidden;
}

.page-news .news-log__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 190px;
  object-fit: cover;
}

.page-news .news-log__tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--news-rule);
  margin-bottom: 6px;
}

.page-news .news-log__tabs .tabs__btn {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--news-rule);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease),
    border-color 0.15s var(--ease);
}

.page-news .news-log__tabs .tabs__btn:hover {
  border-color: var(--celadon);
  color: var(--celadon);
}

.page-news .news-log__tabs .tabs__btn[aria-selected="true"] {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--ink);
}

.page-news .news-log__tabs .tabs__btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

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

.page-news .news-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 6px 16px 4px;
  border-bottom: 1px solid var(--news-rule);
  transition: background-color 0.15s var(--ease);
}

.page-news .news-list__item:hover {
  background: rgba(79, 175, 155, 0.06);
}

.page-news .news-list__batch {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--celadon);
}

.page-news .news-list__topic {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.page-news .news-list__text {
  margin: 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sand);
}

/* ---------- 迭代日志 ---------- */
.page-news .news-iter {
  background: var(--ink-3);
  padding: 48px 0 52px;
}

.page-news .news-iter__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-iter__panel {
  color: var(--ink);
  padding: 24px 20px 26px;
}

.page-news .news-iter__panel .eyebrow {
  color: var(--celadon-deep);
}

.page-news .news-iter__panel h2 {
  margin: 12px 0 0;
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.3;
  color: var(--ink);
}

.page-news .news-iter__intro {
  margin: 12px 0 20px;
  max-width: 38ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite-deep);
}

.page-news .news-acc {
  border-top: 1px solid rgba(11, 26, 43, 0.16);
  padding: 14px 0;
}

.page-news .news-acc summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-news .news-acc summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--celadon-deep);
}

.page-news .news-acc[open] summary::before {
  content: "−";
}

.page-news .news-acc summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-news .news-acc p {
  margin: 9px 0 0 24px;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--graphite-deep);
}

.page-news .news-iter__foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-news .news-iter__foot a {
  color: var(--celadon-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-iter__figure {
  margin: 0;
  border: 1px solid var(--news-rule);
  background: var(--ink-2);
  padding: 10px;
}

.page-news .news-iter__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-news .news-iter__figure figcaption {
  padding-top: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

/* ---------- 栏目观察 ---------- */
.page-news .news-notes {
  background: var(--ink);
  padding: 48px 0 56px;
}

.page-news .news-notes__head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 5.4vw, var(--fs-3));
  line-height: 1.24;
  color: var(--paper);
}

.page-news .news-notes__intro {
  margin: 14px 0 26px;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .news-notes__grid {
  display: grid;
  gap: 18px;
}

.page-news .news-note {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--ink-2);
  border: 1px solid var(--news-rule);
  border-left: 3px solid var(--celadon);
  transition: transform 0.15s var(--ease), border-color 0.15s var(--ease);
}

.page-news .news-note:hover {
  transform: translateY(-2px);
  border-color: var(--celadon);
}

.page-news .news-note__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--celadon);
}

.page-news .news-note h3 {
  margin: 10px 0 10px;
  font-size: 18px;
  line-height: 1.42;
  color: var(--paper);
}

.page-news .news-note p {
  margin: 0;
  max-width: 42ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 回看与订阅 ---------- */
.page-news .news-return {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-3) 100%);
  padding: 8px 0 60px;
}

.page-news .news-return__inner {
  display: grid;
  gap: 24px;
  padding: 26px 20px 28px;
  border: 1px solid rgba(216, 162, 74, 0.4);
  background: rgba(216, 162, 74, 0.05);
}

.page-news .news-return__copy .eyebrow {
  color: var(--amber);
}

.page-news .news-return__copy h2 {
  margin: 12px 0 0;
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.3;
  color: var(--paper);
}

.page-news .news-return__copy p {
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sand);
}

.page-news .news-return__routes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(216, 162, 74, 0.28);
}

.page-news .news-return__routes li {
  border-bottom: 1px solid rgba(216, 162, 74, 0.28);
}

.page-news .news-return__routes a {
  display: block;
  padding: 14px 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.15s var(--ease), padding-left 0.15s var(--ease);
}

.page-news .news-return__routes a::before {
  content: "→";
  margin-right: 10px;
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-news .news-return__routes a:hover {
  color: var(--paper);
  padding-left: 4px;
}

.page-news .news-return__routes a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__inner {
    padding-top: 48px;
    padding-bottom: 60px;
  }

  .page-news .news-hero__title {
    max-width: 22ch;
  }

  .page-news .news-spec {
    flex: 0 0 46%;
  }

  .page-news .news-list__item {
    grid-template-columns: 176px 118px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
    padding: 15px 8px 15px 6px;
  }

  .page-news .news-notes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .news-note:nth-child(2n) {
    margin-top: 28px;
  }

  .page-news .news-return__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
    padding: 32px 30px 34px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 48px;
    align-items: end;
    padding-top: 56px;
    padding-bottom: 68px;
  }

  .page-news .news-hero__tick {
    display: block;
  }

  .page-news .news-hero__lead {
    max-width: 34ch;
    font-size: 16px;
  }

  .page-news .news-band__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 32px 44px;
    align-items: start;
  }

  .page-news .news-band__rail {
    grid-column: 1 / -1;
    gap: 18px;
  }

  .page-news .news-spec {
    flex: 0 0 30%;
  }

  .page-news .news-iter__grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
    gap: 44px;
    align-items: start;
  }

  .page-news .news-iter__panel {
    padding: 32px 30px 34px;
  }

  .page-news .news-log__banner {
    margin: 30px 0 34px;
  }

  .page-news .news-log__banner img {
    max-height: 240px;
  }

  .page-news .news-notes__grid {
    gap: 26px;
  }

  .page-news .news-note {
    padding: 24px 22px 26px;
  }
}

@media (min-width: 1080px) {
  .page-news .news-band__rail {
    gap: 22px;
  }

  .page-news .news-spec {
    flex: 0 0 24%;
  }

  .page-news .news-log__banner img {
    max-height: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-note,
  .page-news .news-list__item,
  .page-news .news-return__routes a,
  .page-news .news-band__cta,
  .page-news .news-log__tabs .tabs__btn {
    transition: opacity 0.12s linear;
  }

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

  .page-news .news-return__routes a:hover {
    padding-left: 0;
  }
}