.page-news {
  --news-grid-line: rgba(242, 236, 225, .1);
  position: relative;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  padding-bottom: clamp(56px, 9vw, 120px);
  overflow-x: clip;
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 560px;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(53, 232, 210, .11) 1px, transparent 1.3px);
  background-size: 24px 24px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 86%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 86%);
  z-index: 0;
}

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

/* ---------- 首屏 ---------- */

.page-news .news-head {
  padding-top: clamp(24px, 3.5vw, 42px);
}

.page-news .news-head__kicker {
  margin: clamp(22px, 3.5vw, 38px) 0 14px;
  color: var(--cyan);
}

.page-news .news-head__title {
  margin: 0 0 clamp(26px, 4vw, 44px);
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.05rem, 7.2vw, 4.4rem);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-news .news-head__split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .news-head__lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(1.01rem, 1.5vw, 1.14rem);
  line-height: 1.72;
  color: var(--dim);
}

.page-news .news-head__facts {
  margin: 0;
  border-top: 1px solid var(--hair-strong);
}

.page-news .news-head__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--hair);
}

.page-news .news-head__facts dt {
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--grey);
}

.page-news .news-head__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82em;
  letter-spacing: .06em;
  color: var(--cyan);
  text-align: right;
}

@media (min-width: 880px) {
  .page-news .news-head__split {
    grid-template-columns: minmax(0, 1.55fr) minmax(230px, 1fr);
    align-items: start;
  }
}

/* ---------- 双栏骨架 ---------- */

.page-news .news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5vw, 56px);
  margin-top: clamp(44px, 6vw, 76px);
}

@media (min-width: 940px) {
  .page-news .news-grid {
    grid-template-columns: minmax(142px, 178px) minmax(0, 1fr);
    gap: clamp(40px, 5.5vw, 90px);
  }
}

/* ---------- 左侧更新轴 ---------- */

.page-news .news-axis__label {
  margin: 0 0 14px;
  color: var(--grey);
}

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

.page-news .news-axis__item {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 6px 11px 20px;
  border-left: 1px solid var(--hair);
  color: var(--dim);
  font-size: .84rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-axis__item::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 50%;
  width: 5px;
  height: 5px;
  transform: translateY(-50%);
  background: var(--ink);
  border: 1px solid var(--grey);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-axis__num {
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--grey);
  transition: color var(--dur) var(--ease);
}

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

.page-news .news-axis__item:hover .news-axis__num,
.page-news .news-axis__item:focus-visible .news-axis__num {
  color: var(--cyan);
}

.page-news .news-axis__item:hover::before,
.page-news .news-axis__item:focus-visible::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .news-axis__note {
  margin: 18px 0 0;
  padding-left: 20px;
  font-size: .72rem;
  line-height: 1.7;
  letter-spacing: .06em;
  color: var(--grey);
}

@media (min-width: 940px) {
  .page-news .news-axis__inner {
    position: sticky;
    top: 38px;
  }
}

/* ---------- 区块通用 ---------- */

.page-news .news-section {
  padding-top: clamp(22px, 3.2vw, 34px);
  border-top: 1px solid var(--hair-strong);
}

.page-news .news-section + .news-section {
  margin-top: clamp(48px, 7vw, 92px);
}

.page-news .news-section__title {
  margin: 8px 0 18px;
  max-width: 21ch;
  font-family: var(--font-display);
  font-weight: 850;
  font-size: clamp(1.4rem, 3.4vw, 2.05rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .news-prose {
  max-width: 36em;
}

.page-news .news-prose p {
  margin: 0 0 1.2em;
  color: var(--dim);
}

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

.page-news .news-prose strong {
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 图 ---------- */

.page-news .news-figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
  border: 1px solid var(--hair);
  border-left: 2px solid var(--cyan);
  overflow: hidden;
  background: var(--deep);
}

.page-news .news-figure--soft {
  border-left-color: var(--violet);
}

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

/* ---------- 节拍图 ---------- */

.page-news .news-beatwrap {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-news .news-beat {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-beat__axis {
  stroke: var(--hair-strong);
  stroke-width: 1;
}

.page-news .news-beat__group--regular line {
  stroke: var(--grey);
  stroke-width: 1;
}

.page-news .news-beat__group--dense line {
  stroke: var(--cyan);
  stroke-width: 1;
}

.page-news .news-beat__legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 12px 0 0;
  font-size: .73rem;
  letter-spacing: .1em;
  color: var(--grey);
}

.page-news .news-beat__key {
  display: inline-block;
  width: 22px;
  height: 2px;
  vertical-align: middle;
}

.page-news .news-beat__key--regular {
  background: var(--grey);
}

.page-news .news-beat__key--dense {
  margin-left: 18px;
  background: var(--cyan);
}

/* ---------- 分类标签 ---------- */

.page-news .tag {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid var(--hair-strong);
  border-radius: 999px;
  font-size: .71rem;
  letter-spacing: .12em;
  line-height: 1.65;
  white-space: nowrap;
}

.page-news .tag--caliber {
  color: var(--cyan);
  border-color: rgba(53, 232, 210, .48);
}

.page-news .tag--vendor {
  color: var(--violet);
  border-color: rgba(123, 91, 255, .55);
}

.page-news .tag--ux {
  color: var(--signal);
  border-color: rgba(255, 210, 74, .48);
}

/* ---------- 条目流 ---------- */

.page-news .news-flow {
  list-style: none;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
}

.page-news .news-flow__item {
  position: relative;
  padding: 20px 4px 20px 20px;
  border-top: 1px solid var(--hair);
  transition: background var(--dur) var(--ease);
}

.page-news .news-flow__item:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-news .news-flow__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-news .news-flow__item:hover {
  background: rgba(53, 232, 210, .04);
}

.page-news .news-flow__item:hover::before {
  opacity: 1;
}

.page-news .news-flow__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 9px;
}

.page-news .news-flow__batch {
  font-size: .77rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .news-flow__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.45;
  color: var(--paper);
}

.page-news .news-flow__meta {
  margin: 0;
  display: grid;
  gap: 5px;
}

.page-news .news-flow__meta > div {
  display: grid;
  grid-template-columns: 5.6em minmax(0, 1fr);
  gap: 12px;
  margin: 0;
}

.page-news .news-flow__meta dt {
  padding-top: .3em;
  font-size: .71rem;
  letter-spacing: .14em;
  color: var(--grey);
}

.page-news .news-flow__meta dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.62;
  color: var(--dim);
}

/* ---------- 数值对照 ---------- */

.page-news .news-diffwrap {
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-news .news-diff {
  border-top: 1px solid var(--hair);
}

.page-news .news-diff:last-of-type {
  border-bottom: 1px solid var(--hair);
}

.page-news .news-diff__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

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

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

.page-news .news-diff__id {
  flex: none;
  font-size: .77rem;
  letter-spacing: .12em;
  color: var(--grey);
}

.page-news .news-diff__name {
  font-size: clamp(.98rem, 1.8vw, 1.1rem);
}

.page-news .news-diff__toggle {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-left: auto;
}

.page-news .news-diff__toggle::before,
.page-news .news-diff__toggle::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
}

.page-news .news-diff__toggle::after {
  transform: rotate(90deg);
}

.page-news .news-diff[open] .news-diff__toggle::after {
  transform: rotate(0deg);
}

.page-news .news-diff__body {
  margin-left: 4px;
  padding: 4px 0 24px 18px;
  border-left: 1px solid var(--hair);
}

.page-news .news-diff__cols {
  display: grid;
  gap: 16px;
}

.page-news .news-diff__col {
  padding: 14px 16px;
  border: 1px solid var(--hair);
}

.page-news .news-diff__col--before {
  background: rgba(140, 151, 170, .08);
}

.page-news .news-diff__col--after {
  background: rgba(53, 232, 210, .07);
  border-color: rgba(53, 232, 210, .3);
}

.page-news .news-diff__col p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--dim);
}

.page-news .news-diff__col .idx {
  margin: 0 0 8px;
  color: var(--grey);
}

.page-news .news-diff__col--after .idx {
  color: var(--cyan);
}

.page-news .news-diff__reason {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--dim);
}

.page-news .news-key {
  margin-right: 10px;
  font-size: .71rem;
  letter-spacing: .14em;
  color: var(--signal);
}

@media (min-width: 720px) {
  .page-news .news-diff__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

/* ---------- 专题系列 ---------- */

.page-news .news-series {
  list-style: none;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .news-series__item {
  padding: 20px 20px 22px;
  border: 1px solid var(--hair);
  border-top: 2px solid var(--violet);
  background: rgba(18, 43, 79, .38);
}

.page-news .news-series__item:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-news .news-series__item:nth-child(2) {
  border-top-color: var(--violet);
}

.page-news .news-series__item:nth-child(3) {
  border-top-color: var(--signal);
}

.page-news .news-series__item:nth-child(4) {
  border-top-color: var(--paper-2);
}

.page-news .news-series__no {
  display: block;
  margin-bottom: 10px;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--grey);
}

.page-news .news-series__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .news-series__item p {
  margin: 0 0 .7em;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--dim);
}

.page-news .news-series__read {
  margin: 0;
  color: var(--grey);
}

@media (min-width: 700px) {
  .page-news .news-series {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 回看与查证 ---------- */

.page-news .news-look {
  display: grid;
  gap: 22px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-news .news-look__col {
  padding: 20px;
  border: 1px solid var(--hair);
}

.page-news .news-look__col--wide {
  grid-column: 1 / -1;
  border-color: rgba(53, 232, 210, .26);
  background: rgba(18, 43, 79, .34);
}

.page-news .news-look__col h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-news .news-look__col p {
  margin: 0 0 .8em;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--dim);
}

.page-news .news-look__contact {
  margin: .9em 0 .5em;
  font-size: .84rem;
  letter-spacing: .04em;
  color: var(--cyan);
  word-break: break-word;
}

.page-news .news-look__note {
  color: var(--grey) !important;
  font-size: .8rem !important;
}

.page-news .news-look__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: .2em 0 0;
}

.page-news .news-link {
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
  color: var(--paper);
  font-size: .88rem;
  text-decoration: none;
  border-bottom: 1px solid var(--hair-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

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

.page-news .news-link:hover::after,
.page-news .news-link:focus-visible::after {
  transform: scaleX(1);
}

@media (min-width: 780px) {
  .page-news .news-look {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 1ms !important;
  }
}