.page-news {
  --news-card: #FFFFFF;
  --news-text: #3C4657;
}

/* ---------- 顶部路径 ---------- */
.page-news .news-top {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-news .log-hero-inner {
  display: grid;
  gap: 18px;
  padding-block: clamp(20px, 4vw, 40px) clamp(28px, 5vw, 56px);
}

.page-news .log-hero .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .log-hero .display-title {
  margin: 0;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.page-news .log-lede {
  margin: 0;
  max-width: 70ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--news-text);
}

.page-news .log-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(6px, 1.4vw, 14px) 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .log-hero-facts > div {
  background: var(--news-card);
  padding: 14px 16px;
}

.page-news .log-hero-facts dt {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-news .log-hero-facts dd {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
}

/* ---------- 置顶专题 ---------- */
.page-news .pin-feature {
  padding-bottom: clamp(32px, 5vw, 64px);
}

.page-news .pin-card {
  display: grid;
  background: var(--navy);
  color: #FFFFFF;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-news .pin-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 4vw, 44px);
  order: 2;
}

.page-news .pin-issue {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .pin-title {
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.5rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-news .pin-desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

.page-news .pin-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .pin-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(255, 255, 255, 0.86);
}

.page-news .pin-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 9px;
  height: 2px;
  background: var(--orange);
}

.page-news .pin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  padding-top: 8px;
}

.page-news .pin-figure {
  margin: 0;
  order: 1;
  display: flex;
  flex-direction: column;
  background: var(--navy-2);
}

.page-news .pin-media {
  width: 100%;
  aspect-ratio: 12 / 7;
  overflow: hidden;
}

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

.page-news .pin-cap {
  padding: 12px clamp(18px, 3vw, 26px) 16px;
  font-size: 11.5px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- 日志索引 ---------- */
.page-news .log-index {
  padding-bottom: clamp(36px, 6vw, 76px);
}

.page-news .log-index-head {
  max-width: 72ch;
}

.page-news .log-controls {
  position: relative;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .filter-input {
  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 .log-layout {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-news .log-rail-cap {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.page-news .log-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .log-tabs label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--news-card);
  color: var(--navy);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-news .log-tabs label:hover {
  border-color: var(--navy-2);
}

.page-news .filter-input:focus-visible ~ .log-layout .log-tabs label {
  outline: none;
}

.page-news .log-tabs .tab-count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: inherit;
  opacity: 0.62;
}

.page-news .log-rail-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

.page-news #lf-all:checked ~ .log-layout .log-tabs label[for="lf-all"],
.page-news #lf-version:checked ~ .log-layout .log-tabs label[for="lf-version"],
.page-news #lf-case:checked ~ .log-layout .log-tabs label[for="lf-case"],
.page-news #lf-guide:checked ~ .log-layout .log-tabs label[for="lf-guide"],
.page-news #lf-notice:checked ~ .log-layout .log-tabs label[for="lf-notice"] {
  background: var(--navy);
  border-color: var(--navy);
  color: #FFFFFF;
}

.page-news #lf-version:checked ~ .log-layout .log-item:not([data-cat="version"]),
.page-news #lf-case:checked ~ .log-layout .log-item:not([data-cat="case"]),
.page-news #lf-guide:checked ~ .log-layout .log-item:not([data-cat="guide"]),
.page-news #lf-notice:checked ~ .log-layout .log-item:not([data-cat="notice"]) {
  display: none;
}

/* ---------- 日志流 ---------- */
.page-news .log-stream {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .log-item {
  display: grid;
  gap: 8px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line);
}

.page-news .log-item:first-child {
  border-top: 1px solid var(--line);
}

.page-news .log-when {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--gray);
}

.page-news .log-card {
  background: var(--news-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(16px, 2.6vw, 24px);
  box-shadow: var(--shadow-1);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-news .log-card:hover {
  transform: translateY(-2px);
  border-color: #C3CDDB;
}

.page-news .log-tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  background: rgba(11, 31, 58, 0.07);
  color: var(--navy-2);
}

.page-news .log-item[data-cat="version"] .log-tag {
  background: rgba(255, 106, 42, 0.14);
  color: #B53D0E;
}

.page-news .log-item[data-cat="case"] .log-tag {
  background: rgba(143, 220, 216, 0.3);
  color: #14605C;
}

.page-news .log-item[data-cat="notice"] .log-tag {
  background: rgba(102, 112, 133, 0.16);
  color: #4A5468;
}

.page-news .log-title {
  margin: 10px 0 8px;
  font-size: clamp(1.02rem, 1.9vw, 1.22rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--navy);
}

.page-news .log-desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--news-text);
}

.page-news .log-link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--orange);
  transition: color 0.18s var(--ease);
}

.page-news .log-link:hover,
.page-news .log-link:focus-visible {
  color: var(--orange);
}

.page-news .log-figure {
  margin: 16px 0 0;
}

.page-news .log-media {
  width: 100%;
  aspect-ratio: 10 / 6;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--navy-2);
}

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

.page-news .log-cap {
  margin-top: 8px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--gray);
}

/* ---------- 案例合集专题 ---------- */
.page-news .case-notes {
  padding-block: clamp(36px, 6vw, 76px);
  background: var(--news-card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .case-notes .section-head {
  max-width: 74ch;
}

.page-news .case-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .case-figure {
  margin: 0;
}

.page-news .case-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--navy);
}

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

.page-news .case-cap {
  margin-top: 10px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--gray);
}

.page-news .case-list {
  display: grid;
}

.page-news .case-piece {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .case-piece:first-child {
  padding-top: 0;
}

.page-news .case-piece:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .case-kicker {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-news .case-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--navy);
}

.page-news .case-text {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--news-text);
}

.page-news .case-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-news .case-link:hover,
.page-news .case-link:focus-visible {
  border-bottom-color: var(--orange);
  color: var(--orange);
}

/* ---------- 使用指南专题 ---------- */
.page-news .guide-notes {
  padding-block: clamp(36px, 6vw, 76px);
}

.page-news .guide-notes .section-head {
  max-width: 70ch;
}

.page-news .guide-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(20px, 3vw, 34px);
}

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

.page-news .guide-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .guide-item:first-child {
  border-top: 1px solid var(--line);
}

.page-news .guide-num {
  font-size: 12px;
  line-height: 1.9;
  color: var(--orange);
}

.page-news .guide-title {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--navy);
}

.page-news .guide-text {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--news-text);
}

.page-news .guide-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
}

.page-news .guide-link:hover,
.page-news .guide-link:focus-visible {
  color: var(--orange);
}

.page-news .guide-figure {
  margin: 0;
}

.page-news .guide-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--navy-2);
}

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

.page-news .guide-cap {
  margin-top: 10px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--gray);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  padding-block: clamp(36px, 6vw, 76px);
  background: var(--navy);
  color: #FFFFFF;
}

.page-news .cadence-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .cadence-eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .cadence-title {
  margin: 0;
  color: #FFFFFF;
}

.page-news .cadence-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-news .cadence-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-news .cadence-list li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.page-news .cadence-cycle {
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--cyan);
}

.page-news .cadence-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}

.page-news .cadence-side {
  background: var(--navy-2);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 28px);
}

.page-news .cadence-side-cap {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-news .cadence-side-text {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.84);
}

.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .cadence-side-mail {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.6);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .log-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-news .log-item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 32px);
    padding: 22px 0 24px;
  }

  .page-news .log-when {
    border-left: 2px solid var(--orange);
    padding-left: 12px;
    white-space: normal;
  }

  .page-news .guide-item {
    grid-template-columns: 44px minmax(0, 1fr);
  }
}

@media (min-width: 880px) {
  .page-news .pin-card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .pin-body {
    order: 1;
  }

  .page-news .pin-figure {
    order: 2;
  }

  .page-news .pin-media {
    aspect-ratio: 12 / 8;
    height: 100%;
  }

  .page-news .log-layout {
    grid-template-columns: minmax(190px, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-news .log-rail {
    position: sticky;
    top: 24px;
  }

  .page-news .log-tabs {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-news .log-tabs label {
    justify-content: space-between;
    width: 100%;
  }

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

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

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

@media (min-width: 1080px) {
  .page-news .log-layout {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 9fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-card,
  .page-news .log-tabs label,
  .page-news .log-link {
    transition: none;
  }

  .page-news .log-card:hover {
    transform: none;
  }
}