.page-news {
  --journal-glow: rgba(41, 242, 210, .16);
  --journal-amber: rgba(255, 138, 61, .15);
  --journal-surface: rgba(7, 26, 47, .62);
  --journal-index-w: minmax(190px, 230px);
}

/* ---------- Hero ---------- */
.page-news .journal-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.2rem, 7vw, 5.5rem) 0 clamp(1.8rem, 4.5vw, 3rem);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(41, 242, 210, .14) 0%, transparent 55%),
    linear-gradient(158deg, var(--night) 0%, var(--deep-sea) 62%, var(--night) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .journal-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .2;
  mix-blend-mode: screen;
  pointer-events: none;
}

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

.page-news .journal-hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6.2vw, 4.5rem);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--glass-white);
  margin: 1rem 0 1.1rem;
  max-width: 20ch;
}

.page-news .journal-hero__lede {
  max-width: 62ch;
  color: var(--cool-grey);
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.78;
  margin: 0;
}

.page-news .journal-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- Tabs ---------- */
.page-news .journal-stream {
  padding: clamp(1.8rem, 4vw, 3rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .journal-tabs__bar {
  display: flex;
  gap: .3rem;
  overflow-x: auto;
  padding: 0 0 .75rem;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-news .journal-tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--cool-grey);
  font-family: var(--font-body);
  font-size: .875rem;
  letter-spacing: .02em;
  padding: .55rem 1.05rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color .25s ease, background .25s ease, border-color .25s ease;
}

.page-news .journal-tab:hover {
  color: var(--glass-white);
  background: var(--glass);
}

.page-news .journal-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .journal-tab[aria-selected="true"] {
  color: var(--night);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-news .journal-panel {
  padding-top: clamp(1.6rem, 4vw, 2.75rem);
}

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

/* ---------- 双栏：时间索引 + 日志流 ---------- */
.page-news .journal-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
}

.page-news .journal-index__label {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 .9rem;
}

.page-news .journal-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-news .journal-index__list li {
  font-size: .8125rem;
  line-height: 1.5;
  color: var(--cool-grey);
  border-left: 2px solid var(--line);
  padding: .3rem 0 .3rem .7rem;
  flex: 1 1 15rem;
}

/* ---------- 日志条目 ---------- */
.page-news .journal-entries {
  display: flex;
  flex-direction: column;
}

.page-news .journal-entry {
  position: relative;
  padding: clamp(1.2rem, 3vw, 1.9rem) 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .journal-entry:first-child {
  border-top-color: var(--journal-glow);
  padding-top: 0;
}

.page-news .journal-entry::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 3.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-news .journal-entry:first-child::before {
  display: none;
}

.page-news .journal-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .65rem;
}

.page-news .journal-entry__phase {
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cool-grey);
}

.page-news .journal-entry__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.075rem, 2vw, 1.35rem);
  line-height: 1.42;
  color: var(--glass-white);
  margin: 0 0 .6rem;
}

.page-news .journal-entry__body {
  margin: 0;
  max-width: 68ch;
  color: var(--cool-grey);
  font-size: .9375rem;
  line-height: 1.78;
}

/* ---------- 通用导语 / 图 ---------- */
.page-news .journal-lead {
  max-width: 70ch;
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.25rem);
  color: var(--glass-white);
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  line-height: 1.8;
  padding-left: clamp(.7rem, 1.6vw, 1.1rem);
  border-left: 2px solid var(--cyan);
}

.page-news .journal-figure {
  margin: clamp(1.8rem, 4vw, 2.75rem) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--journal-surface);
  border: 1px solid var(--line);
}

.page-news .journal-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-news .journal-figure--wide img {
  aspect-ratio: 2 / 1;
}

.page-news .journal-figure figcaption {
  padding: .85rem 1.1rem 1rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--cool-grey);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 版本时间线 ---------- */
.page-news .version-track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.7rem;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: clamp(1.3rem, 3vw, 2.1rem);
}

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

.page-news .version-node::before {
  content: "";
  position: absolute;
  left: calc(-1.7rem - 5px);
  top: .5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 0 4px rgba(123, 97, 255, .16);
}

.page-news .version-node:last-child::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--journal-amber);
}

.page-news .version-node__year {
  margin: 0 0 .35rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .version-node__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 1.9vw, 1.3rem);
  line-height: 1.4;
  color: var(--glass-white);
  margin: 0 0 .5rem;
}

.page-news .version-node__body {
  margin: 0;
  max-width: 66ch;
  color: var(--cool-grey);
  font-size: .9375rem;
  line-height: 1.78;
}

.page-news .journal-note-block {
  margin-top: clamp(1.8rem, 4vw, 2.75rem);
  padding: clamp(1.1rem, 2.6vw, 1.75rem);
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--line);
}

.page-news .journal-note-block__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--glass-white);
  margin: 0 0 .65rem;
}

.page-news .journal-note-block p {
  margin: 0 0 .75rem;
  color: var(--cool-grey);
  font-size: .9375rem;
  line-height: 1.78;
  max-width: 72ch;
}

.page-news .journal-note-block__links {
  margin: 0;
  font-size: .9375rem;
}

.page-news .journal-note-block__links a,
.page-news .journal-archive-cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--journal-glow);
  padding-bottom: 2px;
  transition: border-color .25s ease, color .25s ease;
}

.page-news .journal-note-block__links a:hover,
.page-news .journal-archive-cta a:hover {
  border-color: var(--cyan);
}

/* ---------- 轮换标注演示 ---------- */
.page-news .rotation-demo {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: clamp(.9rem, 2.4vw, 1.4rem);
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--line);
}

.page-news .rotation-demo__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 .2rem .5rem;
  font-size: .6875rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cool-grey);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .rotation-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .5rem;
  align-items: center;
  padding: .7rem .85rem;
  border-radius: var(--radius-sm);
  background: var(--journal-surface);
  border-left: 2px solid transparent;
}

.page-news .rotation-row__match {
  font-size: .875rem;
  color: var(--glass-white);
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-news .rotation-flag {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--amber);
  padding: .3rem .6rem;
  border-radius: 4px;
  background: var(--journal-amber);
  border-left: 3px solid var(--amber);
  white-space: nowrap;
}

.page-news .rotation-flag--pending {
  color: var(--purple);
  background: rgba(123, 97, 255, .14);
  border-left-color: var(--purple);
}

.page-news .rotation-flag--off {
  color: var(--cool-grey);
  background: rgba(139, 163, 184, .1);
  border-left-color: var(--cool-grey);
}

/* ---------- 分类小栏 ---------- */
.page-news .journal-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.6vw, 1.75rem);
  margin-top: clamp(1.6rem, 4vw, 2.5rem);
}

.page-news .journal-col {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.page-news .journal-col__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--glass-white);
  margin: 0 0 .7rem;
}

.page-news .journal-col__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}

.page-news .journal-col__list li {
  position: relative;
  padding-left: 1rem;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--cool-grey);
}

.page-news .journal-col__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-news .journal-col p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--cool-grey);
}

/* ---------- 观察手记 ---------- */
.page-news .journal-note-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.2rem, 3vw, 2rem);
}

.page-news .journal-note {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.page-news .journal-note__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  letter-spacing: -.01em;
  color: var(--cyan);
  margin: 0 0 .5rem;
  line-height: 1.1;
}

.page-news .journal-note__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--glass-white);
  margin: 0 0 .5rem;
}

.page-news .journal-note p:last-child {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--cool-grey);
}

/* ---------- 底部行动区 ---------- */
.page-news .journal-foot {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--line-soft);
}

.page-news .journal-foot__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 3vw, 2.5rem);
  align-items: center;
}

.page-news .journal-foot__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.18;
  color: var(--glass-white);
  margin: .7rem 0 .8rem;
}

.page-news .journal-foot__lede {
  margin: 0;
  max-width: 56ch;
  color: var(--cool-grey);
  font-size: .9375rem;
  line-height: 1.78;
}

.page-news .journal-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ---------- 窄屏保护 ---------- */
.page-news .journal-hero__title,
.page-news .journal-entry__title,
.page-news .version-node__title,
.page-news .journal-col__title {
  overflow-wrap: anywhere;
}

.page-news .journal-tabs__bar::-webkit-scrollbar {
  height: 4px;
}

.page-news .journal-tabs__bar::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .rotation-row {
    grid-template-columns: 1fr auto;
  }

  .page-news .journal-note-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .journal-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .journal-split {
    grid-template-columns: var(--journal-index-w) minmax(0, 1fr);
  }

  .page-news .journal-index {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-news .journal-index__list {
    display: block;
  }

  .page-news .journal-index__list li {
    padding: .55rem 0 .55rem .8rem;
    margin-bottom: .35rem;
  }

  .page-news .journal-cols--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .journal-foot__inner {
    grid-template-columns: minmax(0, 1.6fr) auto;
  }

  .page-news .journal-foot__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-news .journal-hero__title {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .journal-tab,
  .page-news .journal-note-block__links a,
  .page-news .journal-archive-cta a {
    transition: none;
  }
}