.page-news {
  --news-cy-deep: #0E8C76;
  --news-dash: rgba(143, 168, 160, .3);
  --news-dash-dark: rgba(29, 26, 22, .22);
  background: var(--ink-900);
  color: var(--ivory);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-news .news-mast {
  position: relative;
  overflow: hidden;
  padding: clamp(1.8rem, 5vw, 3.4rem) 0 clamp(2rem, 5vw, 3.4rem);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 224, 192, .16), transparent 58%),
    var(--ink-900);
  border-bottom: 1px solid var(--edge);
}

.page-news .news-mast::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -46px;
  width: min(62vw, 620px);
  height: 190px;
  background: repeating-linear-gradient(102deg, rgba(53, 224, 192, .2) 0 1px, transparent 1px 15px);
  transform: rotate(-4deg);
  opacity: .55;
  pointer-events: none;
}

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

.page-news .news-mast .crumbs,
.page-news .news-mast .crumbs a {
  color: var(--mist);
}

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

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

.page-news .news-mast__kicker {
  margin: 1.5rem 0 0;
}

.page-news .news-mast h1 {
  margin: .95rem 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.6vw, 4.6rem);
  line-height: .98;
  letter-spacing: -.03em;
}

.page-news .news-mast__lead {
  margin: 1.4rem 0 0;
  max-width: 60ch;
  font-size: clamp(.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: rgba(251, 247, 236, .82);
}

.page-news .news-facts {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.7rem;
  margin: 1.9rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px dashed var(--news-dash);
  list-style: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .news-facts strong {
  color: var(--cy);
  font-weight: 700;
}

.page-news .news-facts li:nth-child(3) strong,
.page-news .news-facts li:nth-child(4) strong {
  color: var(--orange);
}

/* ---------- 本期导读 ---------- */
.page-news .brief {
  padding: clamp(2.4rem, 6vw, 4.6rem) 0;
  color: var(--brown);
}

.page-news .brief__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-news .brief__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.4vw, 3rem);
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-news .brief__sub {
  margin: .9rem 0 1.5rem;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.75;
  color: rgba(29, 26, 22, .72);
}

.page-news .brief__list {
  list-style: none;
  counter-reset: brief;
  margin: 0;
  padding: 0;
}

.page-news .brief__list li {
  position: relative;
  padding: .95rem 0 .95rem 2.9rem;
  border-top: 1px dashed var(--news-dash-dark);
  font-size: 1.02rem;
  line-height: 1.72;
}

.page-news .brief__list li:last-child {
  border-bottom: 1px dashed var(--news-dash-dark);
}

.page-news .brief__list li::before {
  counter-increment: brief;
  content: "0" counter(brief);
  position: absolute;
  left: 0;
  top: 1.08rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--news-cy-deep);
}

.page-news .brief__figure {
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-news .brief__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

/* ---------- 期号目录 ---------- */
.page-news .ledger {
  padding: clamp(2.4rem, 6vw, 4.6rem) 0;
  background: var(--ink-900);
}

.page-news .ledger__kicker {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--cy);
}

.page-news .ledger__title {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.8vw, 2.5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-news .ledger__lead {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--dim);
}

.page-news .filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.6rem 0 1.2rem;
}

.page-news .filter__radio,
.page-news .cmp__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .filter__chip,
.page-news .cmp__chip {
  cursor: pointer;
  user-select: none;
}

.page-news .filter__radio:checked + .filter__chip,
.page-news .cmp__radio:checked + .cmp__chip {
  background: var(--cy);
  color: var(--ink-900);
  border-color: var(--cy);
}

.page-news .filter__radio:focus-visible + .filter__chip,
.page-news .cmp__radio:focus-visible + .cmp__chip {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-news:has(#filter-tactic:checked) .issue:not([data-tag~="tactic"]),
.page-news:has(#filter-data:checked) .issue:not([data-tag~="data"]),
.page-news:has(#filter-ux:checked) .issue:not([data-tag~="ux"]),
.page-news:has(#filter-compare:checked) .issue:not([data-tag~="compare"]) {
  display: none;
}

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

.page-news .issue {
  position: relative;
  display: grid;
  gap: .3rem .9rem;
  padding: 1rem .3rem 1rem 1rem;
  border-top: 1px dashed var(--news-dash);
  transition: background var(--dur-1) var(--ease);
}

.page-news .issue::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.4rem;
  width: 15px;
  height: 2px;
  background: var(--cy);
  transform: rotate(-34deg) scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-2) var(--ease);
}

.page-news .issue:hover {
  background: rgba(53, 224, 192, .05);
}

.page-news .issue:hover::before,
.page-news .issue:focus-within::before {
  transform: rotate(-34deg) scaleX(1);
}

.page-news .issue__no {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .issue__no .num {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cy);
}

.page-news .issue__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ivory);
}

.page-news .issue__note {
  margin: .3rem 0 0;
  max-width: 62ch;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--dim);
}

.page-news .issue__tag {
  justify-self: start;
  align-self: center;
  padding: .3rem .62rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  white-space: nowrap;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-news .issue__tag--tactic {
  background: rgba(53, 224, 192, .16);
  color: var(--cy);
}

.page-news .issue__tag--data {
  background: rgba(255, 122, 61, .18);
  color: var(--orange);
}

.page-news .issue__tag--ux {
  background: rgba(143, 168, 160, .16);
  color: var(--mist);
}

.page-news .issue__tag--compare {
  background: rgba(225, 84, 58, .18);
  color: #F0927C;
}

@media (min-width: 820px) {
  .page-news .issue {
    grid-template-columns: 6.4rem 1fr auto;
    align-items: start;
    gap: .3rem 1.4rem;
    padding: 1.15rem 1rem 1.15rem 1.1rem;
  }

  .page-news .issue__no {
    flex-direction: column;
    align-items: flex-start;
    gap: .2rem;
  }

  .page-news .issue__no .num {
    font-size: 1.15rem;
  }

  .page-news .issue__note {
    opacity: .78;
    transition: opacity var(--dur-1) var(--ease);
  }

  .page-news .issue:hover .issue__note {
    opacity: 1;
  }
}

/* ---------- 折叠归档 ---------- */
.page-news .arc-group {
  margin-top: 1.6rem;
}

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

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

.page-news .arc__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem .9rem;
  padding: 1.1rem .3rem;
  cursor: pointer;
  list-style: none;
}

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

.page-news .arc__range {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ivory);
  transition: color var(--dur-1) var(--ease);
}

.page-news .arc__stage {
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .arc__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--cy);
}

.page-news .arc__hint::before {
  content: "展开";
}

.page-news .arc[open] .arc__hint::before {
  content: "收起";
}

.page-news .arc__sum:hover .arc__range {
  color: var(--cy);
}

.page-news .arc__list {
  padding-bottom: 1.1rem;
}

.page-news .arc[open] .arc__list {
  animation: news-in var(--dur-3) var(--ease);
}

@keyframes news-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-news .issue--slim {
  padding-top: .8rem;
  padding-bottom: .8rem;
}

.page-news .issue--slim .issue__title {
  font-size: .96rem;
  font-weight: 600;
  color: rgba(251, 247, 236, .9);
}

/* ---------- 分类说明 ---------- */
.page-news .kinds {
  padding: clamp(2.4rem, 6vw, 4.6rem) 0;
  color: var(--brown);
}

.page-news .kinds__head {
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-news .kinds__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.8vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-news .kinds__lead {
  margin: .9rem 0 0;
  max-width: 60ch;
  font-size: .95rem;
  line-height: 1.75;
  color: rgba(29, 26, 22, .72);
}

.page-news .kinds__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.4rem);
}

.page-news .kind {
  padding-top: 1rem;
  border-top: 2px solid var(--brown);
}

.page-news .kind--a {
  border-top-color: var(--news-cy-deep);
}

.page-news .kind--b {
  border-top-color: var(--orange);
}

.page-news .kind--c {
  border-top-color: #5A7A70;
}

.page-news .kind--d {
  border-top-color: #B04230;
}

.page-news .kind__label {
  display: inline-block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  color: rgba(29, 26, 22, .55);
}

.page-news .kind h3 {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-news .kind p {
  margin: .6rem 0 0;
  font-size: .92rem;
  line-height: 1.78;
  color: rgba(29, 26, 22, .78);
}

.page-news .kind__issues {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: rgba(29, 26, 22, .55) !important;
}

.page-news .kind__figure {
  margin: 1rem 0 0;
}

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

@media (min-width: 880px) {
  .page-news .kinds__grid {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-news .kind--a {
    grid-column: 1 / 8;
  }

  .page-news .kind--b {
    grid-column: 8 / 13;
    margin-top: 3.2rem;
  }

  .page-news .kind--c {
    grid-column: 1 / 6;
    margin-top: 1.2rem;
  }

  .page-news .kind--d {
    grid-column: 6 / 13;
    margin-top: 4.4rem;
  }
}

/* ---------- 旧版对照 ---------- */
.page-news .cmp {
  padding: clamp(2.4rem, 6vw, 4.6rem) 0;
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800) 55%, var(--ink-900));
}

.page-news .cmp__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.8vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-news .cmp__lead {
  margin: .9rem 0 0;
  max-width: 58ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--dim);
}

.page-news .cmp__switch {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.5rem 0 1.6rem;
}

.page-news:has(#cmp-old:checked) .cmp__panel--new {
  display: none;
}

.page-news:has(#cmp-new:checked) .cmp__panel--old {
  display: none;
}

.page-news .cmp__panel {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-news .cmp__notes {
  min-width: 0;
}

.page-news .cmp__note {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(251, 247, 236, .8);
}

.page-news .cmp__list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
}

.page-news .cmp__list li {
  position: relative;
  padding: .55rem 0 .55rem 1.5rem;
  border-top: 1px dashed var(--news-dash);
  font-size: .92rem;
  line-height: 1.72;
  color: var(--dim);
}

.page-news .cmp__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 10px;
  height: 2px;
  background: var(--cy);
  transform: rotate(-34deg);
}

.page-news .cmp__link {
  margin: 1.1rem 0 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .cmp__link a {
  color: var(--cy);
}

.page-news .cmp__figure {
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
}

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

.page-news .schema {
  display: grid;
  gap: 6px;
  padding: 10px;
  aspect-ratio: 4 / 3;
  background: var(--ink-800);
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-news .schema--new {
  grid-template-columns: 24% 1fr 1fr;
  grid-template-rows: 16% 1fr 1fr;
  grid-template-areas:
    "rail bar bar"
    "rail a b"
    "rail a b";
}

.page-news .schema--old {
  grid-template-columns: 1fr 1fr 24%;
  grid-template-rows: 16% 1fr 1fr 1fr;
  grid-template-areas:
    "bar bar bar"
    "list list side"
    "list list side"
    "list list side";
}

.page-news .schema span {
  display: grid;
  place-items: center;
  padding: .3rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .1em;
  color: var(--mist);
  background: rgba(53, 224, 192, .08);
  border: 1px solid var(--edge);
}

.page-news .schema__rail {
  grid-area: rail;
  background: rgba(53, 224, 192, .16);
  color: var(--cy);
}

.page-news .schema__bar {
  grid-area: bar;
}

.page-news .schema__a {
  grid-area: a;
}

.page-news .schema__b {
  grid-area: b;
  background: rgba(255, 122, 61, .12);
}

.page-news .schema__list {
  grid-area: list;
}

.page-news .schema__side {
  grid-area: side;
}

@media (min-width: 900px) {
  .page-news .cmp__panel {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

/* ---------- 投稿与选题 ---------- */
.page-news .submit {
  padding: clamp(2.4rem, 6vw, 4.6rem) 0;
  color: var(--brown);
}

.page-news .submit__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-news .submit__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.8vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 18ch;
}

.page-news .submit__lead {
  margin: .9rem 0 0;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.78;
  color: rgba(29, 26, 22, .75);
}

.page-news .submit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-news .submit__list {
  list-style: none;
  counter-reset: sub;
  margin: 0;
  padding: 0;
}

.page-news .submit__list li {
  position: relative;
  padding: 1rem 0 1rem 2.6rem;
  border-top: 1px dashed var(--news-dash-dark);
  font-size: .95rem;
  line-height: 1.75;
  color: rgba(29, 26, 22, .8);
}

.page-news .submit__list li:last-child {
  border-bottom: 1px dashed var(--news-dash-dark);
}

.page-news .submit__list li::before {
  counter-increment: sub;
  content: counter(sub);
  position: absolute;
  left: 0;
  top: 1.1rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  color: var(--news-cy-deep);
}

.page-news .submit__list strong {
  display: block;
  margin-bottom: .2rem;
  color: var(--brown);
}

.page-news .submit__contact {
  margin: 1.2rem 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(29, 26, 22, .75);
}

.page-news .submit__contact a {
  color: var(--news-cy-deep);
}

@media (min-width: 900px) {
  .page-news .submit__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .arc[open] .arc__list {
    animation: none;
  }

  .page-news .issue::before,
  .page-news .issue__note,
  .page-news .arc__range {
    transition: none;
  }
}