/* ===== 更新动态 / page-news ===== */

.page-news .breadcrumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-news .update-hero {
  padding-block: 24px 56px;
}

.page-news .update-hero__grid {
  display: grid;
  gap: 32px;
}

.page-news .update-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 39px;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .update-hero__copy .lead {
  margin: 20px 0 0;
  color: var(--silver-300);
  max-width: 46ch;
}

.page-news .update-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: 32px 0 0;
  padding: 24px 0 0;
  border-top: var(--hair);
}

.page-news .update-facts dt {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-600);
}

.page-news .update-facts dd {
  margin: 8px 0 0;
  font-size: 20px;
  line-height: 1.2;
  color: var(--white);
}

.page-news .update-hero__media .media-frame__cap,
.page-news .overview__media .media-frame__cap,
.page-news .entry-aside .media-frame__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-600);
}

/* ---------- 01 更新总览 ---------- */
.page-news .overview {
  padding-block: 0 0;
  border-top: var(--hair-soft);
  padding-top: 48px;
}

.page-news .overview__grid {
  display: grid;
  gap: 32px;
}

.page-news .overview__intro h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  color: var(--white);
}

.page-news .overview__intro p {
  margin: 16px 0 0;
  color: var(--silver-300);
  max-width: 42ch;
}

.page-news .rule-strip {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(201, 210, 220, 0.12);
  border-block: var(--hair);
}

.page-news .rule-strip > li {
  background: var(--ink-900);
  padding: 24px 4px 26px;
}

.page-news .rule-strip__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-500);
}

.page-news .rule-strip h3 {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .rule-strip p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-600);
  max-width: 40ch;
}

/* ---------- 02 / 03 档案列表 ---------- */
.page-news .archive {
  padding-block: var(--section-gap) 0;
  margin-top: var(--section-gap);
  border-top: var(--hair-soft);
}

.page-news .archive__layout {
  display: grid;
  gap: 40px;
}

.page-news .archive__rail h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--white);
}

.page-news .archive__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-600);
  max-width: 34ch;
}

.page-news .filter-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0 0 0 16px;
  border-left: var(--hair);
  display: grid;
  gap: 8px;
}

.page-news .chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(201, 210, 220, 0.16);
  background: transparent;
  color: var(--silver-300);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 120ms var(--ease), color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-news .chip:hover {
  border-color: var(--gold-500);
  color: var(--white);
}

.page-news .chip:has(.chip-input:focus-visible) {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
}

.page-news .chip-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .chip-num {
  font-size: 12px;
  color: var(--slate-600);
}

.page-news .chip-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--slate-600);
  transition: background-color 120ms var(--ease);
}

.page-news .chip-dot--code { background: var(--gold-500); }
.page-news .chip-dot--pick { background: var(--silver-300); }
.page-news .chip-dot--param { background: var(--teal-450); }
.page-news .chip-dot--install { background: var(--clay-500); }

.page-news .chip:has(.chip-input:not(:checked)) {
  color: var(--slate-600);
  border-color: rgba(201, 210, 220, 0.07);
}

.page-news .chip:has(.chip-input:not(:checked)) .chip-dot {
  background: var(--slate-600);
}

/* 纯前端筛选：复选框状态映射到条目可见性 */
.page-news:has(#sf-code:not(:checked)) .entry[data-series="code"],
.page-news:has(#sf-pick:not(:checked)) .entry[data-series="pick"],
.page-news:has(#sf-param:not(:checked)) .entry[data-series="param"],
.page-news:has(#sf-install:not(:checked)) .entry[data-series="install"] {
  display: none;
}

.page-news .archive__head h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  color: var(--white);
}

.page-news .archive__lead {
  margin: 12px 0 0;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--slate-600);
}

.page-news .entry-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: var(--hair);
}

.page-news .entry {
  border-bottom: var(--hair);
  border-left: 2px solid transparent;
  transition: border-left-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-news .entry:hover {
  border-left-color: var(--gold-500);
  background-color: rgba(201, 210, 220, 0.04);
}

.page-news .entry details {
  display: block;
}

.page-news .entry__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px 10px;
  align-items: baseline;
  padding: 18px 12px 18px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .entry__time {
  grid-column: 1;
  grid-row: 1;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate-600);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-news .entry__tag {
  grid-column: 2;
  grid-row: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver-300);
  white-space: nowrap;
}

.page-news .entry__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--slate-600);
}

.page-news .entry[data-series="code"] .entry__dot { background: var(--gold-500); }
.page-news .entry[data-series="pick"] .entry__dot { background: var(--silver-300); }
.page-news .entry[data-series="param"] .entry__dot { background: var(--teal-450); }
.page-news .entry[data-series="install"] .entry__dot { background: var(--clay-500); }

.page-news .entry__chev {
  grid-column: 3;
  grid-row: 1;
  align-self: center;
  justify-self: end;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--slate-600);
  border-bottom: 1px solid var(--slate-600);
  transform: rotate(45deg);
  transition: transform 160ms var(--ease), border-color 120ms var(--ease);
}

.page-news .entry:hover .entry__chev {
  border-color: var(--gold-500);
}

.page-news .entry details[open] .entry__chev {
  transform: rotate(-135deg);
}

.page-news .entry__title {
  grid-column: 1 / -1;
  grid-row: 2;
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .entry__body {
  padding: 0 16px 24px;
  border-left: 1px solid rgba(201, 210, 220, 0.12);
  margin-left: 16px;
}

.page-news .entry__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver-300);
  max-width: 62ch;
}

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

.page-news .entry-aside {
  margin-top: 40px;
}

/* ---------- 04 口径变更摘要（纸面） ---------- */
.page-news .paper-changes {
  margin-top: var(--section-gap);
  padding-block: 56px;
  border-top: 1px solid rgba(10, 18, 32, 0.12);
  border-bottom: 1px solid rgba(10, 18, 32, 0.12);
}

.page-news .paper-changes h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  color: var(--ink-900);
}

.page-news .paper-changes .eyebrow {
  color: var(--gold-500);
}

.page-news .paper-changes__lead {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-600);
  max-width: 56ch;
}

.page-news .change-list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(10, 18, 32, 0.12);
  border-block: 1px solid rgba(10, 18, 32, 0.12);
}

.page-news .change-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  background: var(--paper-050);
  padding: 24px 4px 26px;
}

.page-news .change-item__num {
  font-size: 20px;
  line-height: 1.2;
  color: var(--gold-500);
}

.page-news .change-item__body h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-900);
}

.page-news .change-item__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-600);
  max-width: 62ch;
}

.page-news .change-item__scope {
  display: inline-block;
  padding-top: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--clay-500);
}

/* ---------- 05 反馈入口 ---------- */
.page-news .feedback {
  padding-block: var(--section-gap) 0;
}

.page-news .feedback__grid {
  display: grid;
  gap: 40px;
}

.page-news .feedback__intro h2 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  color: var(--white);
}

.page-news .feedback__intro p {
  margin: 16px 0 0;
  color: var(--silver-300);
  max-width: 46ch;
}

.page-news .feedback__contact {
  border: var(--hair);
  background: var(--navy-800);
  padding: 24px 20px 28px;
  box-shadow: var(--shadow-panel);
}

.page-news .feedback__contact .contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-news .feedback__contact .contact-item {
  display: grid;
  gap: 6px;
}

.page-news .feedback__contact .contact-key {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-600);
}

.page-news .feedback__contact .contact-value {
  margin: 0;
  font-size: 15px;
  color: var(--white);
  word-break: break-all;
}

.page-news .feedback__copy-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.page-news .feedback__copy-row .copy-btn {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--gold-500);
  background: transparent;
  color: var(--gold-250);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 120ms var(--ease), color 120ms var(--ease);
}

.page-news .feedback__copy-row .copy-btn:hover {
  background: var(--gold-500);
  color: var(--ink-950);
}

.page-news .feedback__copy-row .copy-status {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border: 1px solid var(--teal-450);
  color: var(--teal-450);
}

.page-news .feedback__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate-600);
}

.page-news .feedback__contact .btn-block + .btn-block {
  margin-top: 12px;
}

.page-news .feedback__contact .btn-block:first-of-type {
  margin-top: 24px;
}

/* ---------- 收束视觉 ---------- */
.page-news .closing-frame {
  margin-top: var(--section-gap);
  border-top: var(--hair);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-news .update-hero {
    padding-block: 32px 80px;
  }

  .page-news .update-hero__copy h1 {
    font-size: 49px;
  }

  .page-news .update-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px 32px;
  }

  .page-news .overview__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-news .rule-strip > li {
    padding: 28px 24px 30px;
  }

  .page-news .change-item {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 24px;
  }

  .page-news .change-item__num {
    font-size: 25px;
  }

  .page-news .feedback__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
    align-items: start;
  }

  .page-news .entry-aside {
    max-width: 620px;
  }
}

@media (min-width: 1024px) {
  .page-news .update-hero {
    padding-block: 40px 96px;
  }

  .page-news .update-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 64px;
    align-items: end;
  }

  .page-news .update-hero__copy h1 {
    font-size: 61px;
  }

  .page-news .overview {
    padding-top: 72px;
  }

  .page-news .archive__layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
  }

  .page-news .archive__rail {
    position: sticky;
    top: 48px;
  }

  .page-news .entry__summary {
    grid-template-columns: 152px minmax(0, 1fr) auto 12px;
    align-items: center;
    gap: 24px;
    padding: 26px 20px 26px 20px;
  }

  .page-news .entry__time {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .entry__title {
    grid-column: 2;
    grid-row: 1;
    font-size: 25px;
  }

  .page-news .entry__tag {
    grid-column: 3;
    grid-row: 1;
  }

  .page-news .entry__chev {
    grid-column: 4;
    grid-row: 1;
  }

  .page-news .entry__body {
    padding: 0 24px 28px;
    margin-left: 20px;
  }

  .page-news .entry-aside {
    margin-top: 56px;
    margin-left: 172px;
    max-width: 560px;
  }

  .page-news .paper-changes {
    padding-block: 96px;
  }

  .page-news .change-item {
    padding: 32px 4px 34px;
  }
}

@media (min-width: 1280px) {
  .page-news .update-hero__copy h1 {
    font-size: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry__chev,
  .page-news .chip,
  .page-news .chip-dot,
  .page-news .feedback__copy-row .copy-btn {
    transition: none !important;
  }
}
</final>