.page-news {
  --news-bar-entry: #0E9C94;
  --news-bar-version: #6B3FBF;
  --news-bar-eco: #B8611A;
  --news-bar-annual: var(--ink-900);
  --news-card: #FFFAF0;

  background: var(--night-900);
  color: var(--ink-soft);
  font-family: var(--font-body);
  padding-block: 1rem 0;
  overflow-x: clip;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding-block: 0.4rem 1.3rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}

.page-news .breadcrumb a {
  color: var(--lavender-300);
  text-decoration: none;
  transition: color 0.15s ease;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--cyan-400);
}

.page-news .breadcrumb-sep {
  color: rgba(185, 167, 255, 0.45);
}

/* ---------- 封面 ---------- */

.page-news .cover {
  position: relative;
  padding-block: 0.5rem 3rem;
}

.page-news .cover::before {
  content: "";
  position: absolute;
  inset: -14% -18% auto -18%;
  height: 520px;
  background:
    radial-gradient(58% 68% at 18% 18%, rgba(47, 243, 224, 0.22), transparent 70%),
    radial-gradient(55% 62% at 82% 8%, rgba(255, 63, 164, 0.24), transparent 72%);
  filter: blur(8px);
  pointer-events: none;
  z-index: 0;
}

.page-news .cover-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

.page-news .cover-copy h1 {
  margin: 0.45rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.2vw, 3.3rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--paper-100);
}

.page-news .cover-lead {
  margin: 0;
  max-width: 33rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-news .cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.8rem;
  margin: 1.3rem 0 1.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-ui);
}

.page-news .cover-meta li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.page-news .cover-meta strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1;
  color: var(--cyan-400);
}

.page-news .cover-meta span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
}

.page-news .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-news .cover-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 1.1rem;
  border: 1px solid var(--line-cyan);
  box-shadow: 0 30px 70px -44px rgba(47, 243, 224, 0.6);
}

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

.page-news .cover-num {
  position: absolute;
  top: -0.06em;
  left: 0.1em;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(5.5rem, 20vw, 11rem);
  line-height: 0.85;
  color: var(--magenta-500);
  opacity: 0.6;
  mix-blend-mode: screen;
  pointer-events: none;
}

.page-news .cover-observations {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.7rem;
  margin-top: 2.2rem;
}

.page-news .obs {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 0.85rem;
  background: linear-gradient(158deg, rgba(23, 20, 61, 0.94), rgba(8, 7, 27, 0.94));
  transition: border-color 0.16s ease;
}

.page-news .obs:hover {
  border-color: var(--line-cyan);
}

.page-news .obs summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper-100);
}

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

.page-news .obs-idx {
  padding: 0.14rem 0.42rem;
  border-radius: 0.28rem;
  background: var(--cyan-400);
  color: var(--night-900);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.page-news .obs p {
  margin: 0.7rem 0 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .obs[open] summary {
  color: var(--cyan-400);
}

/* ---------- 十二期目录 ---------- */

.page-news .index-band {
  position: relative;
  padding-block: 3.2rem;
  background: var(--paper-100);
  background-image: repeating-linear-gradient(
    180deg,
    rgba(36, 26, 46, 0.045) 0,
    rgba(36, 26, 46, 0.045) 1px,
    transparent 1px,
    transparent 5px
  );
  color: var(--ink-900);
  border-block: 1px solid rgba(36, 26, 46, 0.18);
  box-shadow: inset 0 20px 44px -38px rgba(0, 0, 0, 0.95);
}

.page-news .band-head {
  margin-bottom: 1.7rem;
}

.page-news .band-head h2 {
  margin: 0.35rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.45rem);
  line-height: 1.28;
  color: var(--ink-900);
}

.page-news .band-head .eyebrow {
  color: #9B2E68;
}

.page-news .band-lead {
  margin: 0;
  max-width: 38rem;
  font-size: 0.96rem;
  line-height: 1.9;
  color: #4A3D55;
}

.page-news .band-head--dark h2 {
  color: var(--paper-100);
}

.page-news .band-head--dark .eyebrow {
  color: var(--magenta-500);
}

.page-news .index-board {
  position: relative;
  display: grid;
  gap: 0.8rem;
}

.page-news .cat-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .cat-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.page-news .cat-chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(36, 26, 46, 0.26);
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: #3C3049;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.page-news .cat-chip:hover {
  border-color: var(--ink-900);
}

.page-news #news-all:checked ~ .cat-filters .cat-chip--all,
.page-news #news-entry:checked ~ .cat-filters .cat-chip--entry,
.page-news #news-version:checked ~ .cat-filters .cat-chip--version,
.page-news #news-eco:checked ~ .cat-filters .cat-chip--eco,
.page-news #news-annual:checked ~ .cat-filters .cat-chip--annual {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper-100);
}

.page-news #news-entry:checked ~ .entry-list .entry:not(.cat-entry),
.page-news #news-version:checked ~ .entry-list .entry:not(.cat-version),
.page-news #news-eco:checked ~ .entry-list .entry:not(.cat-eco),
.page-news #news-annual:checked ~ .entry-list .entry:not(.cat-annual) {
  display: none;
}

.page-news .entry-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .entry {
  position: relative;
  padding: 0.85rem 1rem 0.9rem 1.2rem;
  border: 1px solid rgba(36, 26, 46, 0.15);
  border-radius: 0.6rem;
  background: var(--news-card);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  bottom: 0.55rem;
  width: 4px;
  border-radius: 4px;
  background: var(--bar, var(--ink-900));
}

.page-news .cat-entry { --bar: var(--news-bar-entry); }
.page-news .cat-version { --bar: var(--news-bar-version); }
.page-news .cat-eco { --bar: var(--news-bar-eco); }
.page-news .cat-annual { --bar: var(--news-bar-annual); }

.page-news .entry-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
}

.page-news .entry-no {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: #8B7D99;
  font-variant-numeric: tabular-nums;
}

.page-news .entry-time {
  margin-left: auto;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: #8B7D99;
}

.page-news .entry-title {
  margin: 0.45rem 0 0;
  font-family: var(--font-ui);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-900);
}

.page-news .entry-sum {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: #4A3D55;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 0.5rem 0 0;
  font-family: var(--font-ui);
  font-size: 0.74rem;
  color: #8B7D99;
}

.page-news .entry-meta span:last-child {
  color: #A8541B;
}

.page-news .index-aside {
  margin: 1rem 0 0;
  padding: 0.6rem;
  border: 1px solid rgba(36, 26, 46, 0.2);
  border-radius: 0.7rem;
  background: var(--news-card);
  box-shadow: 6px 6px 0 0 rgba(47, 243, 224, 0.4);
  font-family: var(--font-ui);
}

.page-news .index-aside img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.4rem;
  object-fit: cover;
}

.page-news .index-aside figcaption {
  margin-top: 0.55rem;
  font-size: 0.78rem;
  line-height: 1.7;
  color: #6B5C78;
}

/* ---------- 两个专题 ---------- */

.page-news .spotlight {
  position: relative;
  padding-block: 3.4rem 3.6rem;
  background: linear-gradient(180deg, var(--night-900), var(--night-700) 42%, var(--night-900));
  color: var(--ink-soft);
}

.page-news .spot {
  display: grid;
  gap: 1.6rem;
  padding-block: 2.2rem;
  border-top: 1px dashed var(--line-soft);
}

.page-news .spot:first-of-type {
  border-top: 0;
  padding-top: 0.6rem;
}

.page-news .spot-no {
  display: inline-block;
  padding: 0.22rem 0.6rem;
  border-radius: 0.28rem;
  background: var(--magenta-500);
  color: var(--night-900);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.page-news .spot-copy h3 {
  margin: 0.7rem 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.95rem);
  line-height: 1.35;
  color: var(--paper-100);
}

.page-news .spot-copy p {
  margin: 0 0 1rem;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-news .spot-points {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .spot-points li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .spot-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 0.12rem;
  background: var(--cyan-400);
  box-shadow: 2px 2px 0 0 rgba(255, 63, 164, 0.55);
}

.page-news .compare-card {
  padding: 1rem 1.1rem 1.1rem;
  border-radius: 0.8rem;
  background: var(--paper-100);
  color: var(--ink-900);
  font-family: var(--font-ui);
  box-shadow:
    0 0 0 1px rgba(47, 243, 224, 0.45),
    10px 12px 0 -2px rgba(255, 63, 164, 0.38);
  transform: rotate(-1.1deg);
}

.page-news .compare-head {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: #8C2A5E;
}

.page-news .compare-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 0.9rem;
  padding: 0.55rem 0;
  border-top: 1px solid rgba(36, 26, 46, 0.14);
  font-size: 0.86rem;
  line-height: 1.6;
}

.page-news .compare-key {
  color: #6B5C78;
  white-space: nowrap;
}

.page-news .compare-val {
  color: var(--ink-900);
}

.page-news .compare-row--new .compare-key {
  color: #0B7F78;
  font-weight: 700;
}

.page-news .spot-figure {
  margin: 0;
  overflow: hidden;
  border-radius: 0.9rem;
  border: 1px solid var(--line-cyan);
  box-shadow: 0 26px 60px -42px rgba(47, 243, 224, 0.65);
}

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

/* ---------- 注册可见 ---------- */

.page-news .register {
  padding-block: 3.2rem;
  background: var(--paper-100);
  color: var(--ink-900);
}

.page-news .register-grid {
  display: grid;
  gap: 1.8rem;
}

.page-news .register .eyebrow {
  color: #9B2E68;
}

.page-news .register-copy h2 {
  margin: 0.35rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  line-height: 1.28;
  color: var(--ink-900);
}

.page-news .register-lead {
  margin: 0;
  max-width: 34rem;
  font-size: 0.96rem;
  line-height: 1.9;
  color: #4A3D55;
}

.page-news .reg-list {
  display: grid;
  gap: 0.6rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .reg-list li {
  position: relative;
  padding-left: 0.2rem;
  font-size: 0.93rem;
  line-height: 1.85;
  color: #3C3049;
}

.page-news .reg-lock {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-right: 0.35rem;
  padding: 0.22rem 0.6rem 0.22rem 0.5rem;
  border-radius: 0.3rem 0.9rem 0.9rem 0.3rem;
  background: var(--orange-500);
  color: var(--ink-900);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .reg-lock::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--ink-900);
}

.page-news .reg-details {
  margin: 1.3rem 0 1.1rem;
  padding: 0.8rem 0.95rem;
  border: 1px dashed rgba(36, 26, 46, 0.32);
  border-radius: 0.6rem;
  background: var(--news-card);
}

.page-news .reg-details summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink-900);
}

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

.page-news .reg-details summary::after {
  content: "＋";
  float: right;
  color: #8C2A5E;
}

.page-news .reg-details[open] summary::after {
  content: "－";
}

.page-news .reg-details dl {
  display: grid;
  gap: 0.6rem;
  margin: 0.75rem 0 0;
}

.page-news .reg-details dt {
  font-family: var(--font-ui);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .reg-details dd {
  margin: 0.18rem 0 0;
  font-size: 0.87rem;
  line-height: 1.78;
  color: #4A3D55;
}

.page-news .register-figure {
  margin: 0;
  padding: 0.55rem;
  border: 1px solid rgba(36, 26, 46, 0.2);
  border-radius: 0.7rem;
  background: var(--news-card);
  box-shadow: -6px 6px 0 0 rgba(255, 154, 61, 0.4);
}

.page-news .register-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.4rem;
  object-fit: cover;
}

.page-news .register-figure figcaption {
  margin-top: 0.55rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  line-height: 1.7;
  color: #6B5C78;
}

/* ---------- 最近更新 ---------- */

.page-news .updates {
  padding-block: 3rem 4rem;
  background: linear-gradient(142deg, var(--night-700), var(--night-900) 78%);
  color: var(--ink-soft);
}

.page-news .updates-grid {
  display: grid;
  gap: 1.8rem;
}

.page-news .updates h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  line-height: 1.3;
  color: var(--paper-100);
}

.page-news .upd-list {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-news .upd-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.62rem 0.85rem;
  border-left: 2px solid var(--cyan-400);
  border-radius: 0 0.5rem 0.5rem 0;
  background: rgba(47, 243, 224, 0.06);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .upd-time {
  padding: 0.15rem 0.45rem;
  border-radius: 0.25rem;
  background: var(--lime-300);
  color: var(--night-900);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-news .upd-side {
  padding: 1.2rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-radius: 0.85rem;
  background: rgba(8, 7, 27, 0.55);
}

.page-news .upd-side h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--paper-100);
}

.page-news .upd-side p {
  margin: 0 0 0.8rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .upd-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

.page-news .upd-links a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 224, 0.4);
  padding-bottom: 1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-news .upd-links a:hover,
.page-news .upd-links a:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .cover-observations {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .cover-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
    gap: 2.6rem;
  }

  .page-news .entry-sum,
  .page-news .entry-meta {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.22s ease, opacity 0.22s ease, margin-top 0.22s ease;
  }

  .page-news .entry:hover,
  .page-news .entry:focus-within {
    border-color: rgba(36, 26, 46, 0.55);
    box-shadow: 0 14px 28px -24px rgba(0, 0, 0, 0.9);
    transform: translateX(2px);
  }

  .page-news .entry:hover .entry-sum,
  .page-news .entry:focus-within .entry-sum {
    max-height: 9rem;
    margin-top: 0.4rem;
    opacity: 1;
  }

  .page-news .entry:hover .entry-meta,
  .page-news .entry:focus-within .entry-meta {
    max-height: 3rem;
    margin-top: 0.5rem;
    opacity: 1;
  }

  .page-news .spot {
    gap: 2.2rem;
  }

  .page-news .spot--entry {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-news .spot--version {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
  }

  .page-news .register-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 2.4rem;
  }

  .page-news .updates-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 2.4rem;
  }
}

@media (min-width: 960px) {
  .page-news .index-board {
    grid-template-columns: minmax(0, 1fr) 306px;
    grid-template-areas:
      "filters aside"
      "list aside";
    align-items: start;
    column-gap: 1.8rem;
  }

  .page-news .cat-filters {
    grid-area: filters;
  }

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

  .page-news .index-aside {
    grid-area: aside;
    margin-top: 0;
    position: sticky;
    top: 1.6rem;
  }
}

@media (max-width: 420px) {
  .page-news .entry-time {
    margin-left: 0;
  }

  .page-news .cover-meta {
    gap: 0.6rem 1.2rem;
  }

  .page-news .compare-card {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .obs,
  .page-news .cat-chip,
  .page-news .upd-links a,
  .page-news .breadcrumb a,
  .page-news .entry-sum,
  .page-news .entry-meta {
    transition: none;
  }

  .page-news .entry:hover,
  .page-news .entry:focus-within {
    transform: none;
  }
}