.page-news {
  --news-line: rgba(155, 176, 166, 0.2);
  --news-line-strong: rgba(155, 176, 166, 0.4);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-news a {
  color: inherit;
  text-decoration: none;
}

.page-news .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-news .news-crumb {
  background: var(--ink);
  padding: 18px 0 4px;
}

.page-news .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-news .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

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

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

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 44px;
  border-bottom: 1px solid var(--news-line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(18, 61, 46, 0.85), rgba(6, 23, 17, 0) 62%),
    var(--ink);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(53, 240, 207, 0.07) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(53, 240, 207, 0.05) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -18%;
  width: 58%;
  height: 180%;
  transform: skewX(-16deg);
  background: linear-gradient(150deg, rgba(255, 106, 46, 0.26), rgba(255, 106, 46, 0) 68%);
  pointer-events: none;
}

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

.page-news .kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-news h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8.4vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  max-width: 18em;
}

.page-news .lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.86);
}

.page-news .hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .hero-meta__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 14px;
  background: var(--ink-2);
}

.page-news .hero-meta__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .hero-meta__v {
  font-size: 19px;
  font-weight: 700;
  color: var(--cyan);
}

.page-news .hero-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
}

/* ---------- 标签与状态 ---------- */

.page-news .ntag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid currentColor;
  color: var(--accent, var(--cyan));
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .ntag--ver { --accent: var(--cyan); }
.page-news .ntag--sched { --accent: var(--orange); }
.page-news .ntag--entry { --accent: var(--sand); }
.page-news .ntag--login { --accent: var(--alert); }
.page-news .ntag--lib { --accent: var(--focus); }

.page-news .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border: 1px solid var(--news-line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .status::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
}

.page-news .status--ok {
  color: var(--cyan);
  border-color: var(--line-cyan);
}

.page-news .status--ok::before {
  background: currentColor;
  transform: rotate(45deg);
}

.page-news .status--busy {
  color: var(--sand);
  border-color: rgba(232, 199, 122, 0.5);
}

.page-news .status--busy::before {
  border: none;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 8px solid currentColor;
  width: 0;
  height: 0;
}

/* ---------- 区块骨架 ---------- */

.page-news .news-sec {
  padding: 44px 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-news .news-head {
  display: grid;
  gap: 22px;
  margin-bottom: 26px;
}

.page-news .news-head--tight {
  margin-bottom: 20px;
}

.page-news .news-head__desc {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.76);
}

.page-news .news-head__desc a {
  color: var(--cyan);
  border-bottom: 1px solid var(--line-cyan);
}

/* ---------- 图片容器 ---------- */

.page-news .news-media {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-3);
}

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

.page-news .news-media--wide { aspect-ratio: 14 / 9; }
.page-news .news-media--43 { aspect-ratio: 4 / 3; }
.page-news .news-media--32 { aspect-ratio: 3 / 2; }

.page-news .news-media--slant {
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
}

/* ---------- 公告卡片流 ---------- */

.page-news .stream {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .ann {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 14px 20px;
  background: var(--ink-2);
  border: 1px solid var(--news-line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .ann::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent, var(--cyan));
}

.page-news .ann:hover {
  border-color: var(--news-line-strong);
}

.page-news .ann--ver { --accent: var(--cyan); }
.page-news .ann--sched { --accent: var(--orange); }
.page-news .ann--entry { --accent: var(--sand); }
.page-news .ann--login { --accent: var(--alert); }
.page-news .ann--lib { --accent: var(--focus); }

.page-news .ann__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-news .ann__ver {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--news-line);
  padding: 1px 7px;
}

.page-news .ann__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-news .ann__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 250, 246, 0.74);
}

.page-news .ann__more {
  border-top: 1px dashed var(--news-line);
  padding-top: 8px;
}

.page-news .ann__more summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  list-style: none;
}

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

.page-news .ann__more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

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

.page-news .ann__body {
  padding-top: 8px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.7);
}

.page-news .ann__body p {
  margin: 0 0 8px;
}

.page-news .ann__body p:last-child {
  margin-bottom: 0;
}

.page-news .ann__body strong {
  color: var(--sand);
  font-weight: 600;
  margin-right: 6px;
}

.page-news .ann__foot {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 栏位切换 ---------- */

.page-news .tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--news-line);
  scrollbar-width: thin;
}

.page-news .tabs__tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 1px solid var(--news-line);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .tabs__tab:hover {
  color: var(--paper);
  border-color: var(--news-line-strong);
}

.page-news .tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-news .tabs__tab:focus-visible,
.page-news .tabs__panel:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-news .tabs__panel {
  margin-top: 22px;
}

.page-news .lane-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sand);
}

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

.page-news .lane-row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .lane-row__ver {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-news .lane-row__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-news .lane-row__t {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .lane-row__n {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 250, 246, 0.66);
}

.page-news .lane-figure {
  margin-top: 20px;
  max-width: 460px;
}

.page-news .lane-note {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .lane-note a {
  color: var(--cyan);
  border-bottom: 1px solid var(--line-cyan);
}

/* ---------- 更新节奏 ---------- */

.page-news .version-grid {
  display: grid;
  gap: 24px;
  margin-top: 22px;
}

.page-news .version-lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.76);
  max-width: 38em;
}

.page-news .rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .rhythm__item {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--news-line);
}

.page-news .rhythm__num {
  font-size: 21px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-news .rhythm__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .rhythm__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.7);
}

/* ---------- 专题栏位 ---------- */

.page-news .topics {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 78%);
  gap: 14px;
  margin-top: 24px;
  padding-bottom: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .topic {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px;
  background: var(--ink-2);
  border: 1px solid var(--news-line);
  scroll-snap-align: start;
}

.page-news .topic--current {
  border-color: var(--line-cyan);
  box-shadow: inset 0 0 0 1px rgba(53, 240, 207, 0.18);
}

.page-news .topic__media {
  margin: -18px -16px 4px;
  border: none;
  border-bottom: 1px solid var(--news-line);
}

.page-news .topic h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .topic p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 250, 246, 0.72);
}

.page-news .topic__meta {
  margin-top: auto;
  font-size: 12px;
  color: var(--sand);
  letter-spacing: 0.06em;
}

.page-news .topic__link {
  align-self: flex-start;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
}

/* ---------- 反馈 ---------- */

.page-news .news-sec--feedback {
  background:
    linear-gradient(180deg, rgba(11, 42, 32, 0.9), rgba(6, 23, 17, 1)),
    var(--ink-2);
}

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

.page-news .fb-text p {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 250, 246, 0.78);
}

.page-news .fb-list {
  margin: 16px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .fb-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 250, 246, 0.82);
}

.page-news .fb-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--orange);
  transform: rotate(45deg);
}

.page-news .fb-card {
  padding: 18px 16px;
  background: var(--ink-3);
  border: 1px solid var(--news-line-strong);
}

.page-news .fb-card__k {
  margin: 16px 0 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .fb-card__k:first-child {
  margin-top: 0;
}

.page-news .fb-card__v {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  word-break: break-word;
}

.page-news .fb-card__v--text {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: rgba(242, 250, 246, 0.78);
}

.page-news .fb-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--news-line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .lane-row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-news .rhythm__item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-news .stream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .ann--wide {
    grid-column: span 2;
  }

  .page-news .news-sec {
    padding: 56px 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 36px;
  }

  .page-news .news-head--tight {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .topics {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow-x: visible;
  }

  .page-news .version-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .fb-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-news .stream {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .news-hero {
    padding: 34px 0 58px;
  }

  .page-news .lead {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .ann,
  .page-news .tabs__tab {
    transition: none;
  }
}