.page-news {
  --news-gap: clamp(16px, 2.4vw, 26px);
  --news-paper-line: rgba(26, 35, 43, 0.16);
  --news-ink-soft: rgba(242, 235, 221, 0.8);
  background: var(--white);
  color: var(--graphite);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(34px, 5.4vw, 68px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: -25% -20% -15% 40%;
  background: repeating-radial-gradient(
    circle at 76% 44%,
    rgba(44, 74, 90, 0.5) 0 1px,
    transparent 1px 24px
  );
  opacity: 0.75;
  pointer-events: none;
}

.page-news .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-news .news-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-news .news-crumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .news-crumb a:hover,
.page-news .news-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-crumb .cur {
  color: var(--paper);
}

.page-news .news-hero .eyebrow {
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-news .news-hero h1 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--white);
  margin: 0;
  max-width: 20ch;
}

.page-news .hero-lead {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.82;
  color: var(--news-ink-soft);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news .hero-stats {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: clamp(14px, 2vw, 18px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.05;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-news .stat-cap {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--steel);
}

.page-news .hero-mark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
}

.page-news .mark-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-news .mark-num {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(84px, 17vw, 150px);
  line-height: 0.76;
  letter-spacing: -0.05em;
  color: var(--cyan);
}

.page-news .mark-unit {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--paper);
  letter-spacing: 0.04em;
}

@media (min-width: 780px) {
  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: end;
  }

  .page-news .hero-mark {
    align-items: flex-end;
    text-align: right;
    padding-left: 0;
    padding-right: 18px;
    border-left: 0;
    border-right: 2px solid var(--cyan);
  }
}

/* ---------- 分类索引与批次刻度 ---------- */
.page-news .index-section {
  background: var(--paper);
  color: var(--graphite);
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-news .index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4.6vw, 56px);
}

.page-news .index-section .eyebrow {
  color: var(--teal-ink);
  margin: 0 0 10px;
}

.page-news .index-section h2 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 0 0 clamp(18px, 2.6vw, 24px);
  color: var(--graphite);
}

.page-news .cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-paper-line);
}

.page-news .cat-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--news-paper-line);
}

.page-news .cat-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal-ink);
  padding-top: 4px;
  letter-spacing: 0.04em;
}

.page-news .cat-name {
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
}

.page-news .cat-desc {
  grid-column: 2;
  font-size: 13.5px;
  line-height: 1.62;
  color: #4c5a67;
}

.page-news .cat-figure {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-news .ruler {
  margin: 0 0 18px;
  padding: 10px 0 0;
  border-top: 2px solid var(--ink);
}

.page-news .ruler svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-news .batch-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .batch-links a {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  border: 1px solid rgba(26, 35, 43, 0.24);
  border-radius: 999px;
  color: var(--graphite);
  text-decoration: none;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .batch-links a:hover,
.page-news .batch-links a:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cyan);
}

.page-news .ruler-note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #4c5a67;
  max-width: 46ch;
}

@media (min-width: 900px) {
  .page-news .index-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

/* ---------- 第 7 批摘要 ---------- */
.page-news .summary-section {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  color: var(--paper);
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-news .summary-section::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 45%;
  height: 320px;
  background: repeating-radial-gradient(
    circle at 60% 50%,
    rgba(44, 74, 90, 0.42) 0 1px,
    transparent 1px 26px
  );
  pointer-events: none;
}

.page-news .summary-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
}

.page-news .summary-section .eyebrow {
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-news .summary-section h2 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  margin: 0 0 14px;
  color: var(--white);
}

.page-news .section-lead {
  margin: 0;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--news-ink-soft);
  max-width: 58ch;
}

.page-news .summary-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-news .summary-card {
  padding: 16px 16px 18px;
  background: rgba(11, 22, 34, 0.62);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: 2px;
}

.page-news .summary-card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-news .summary-card:nth-child(3) {
  border-top-color: var(--steel);
}

.page-news .sc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-news .sc-num {
  display: block;
  margin-top: 6px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 36px;
  line-height: 1;
  color: var(--cyan);
}

.page-news .summary-card:nth-child(2) .sc-num {
  color: var(--orange);
}

.page-news .summary-card:nth-child(3) .sc-num {
  color: var(--paper);
}

.page-news .sc-text {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: rgba(242, 235, 221, 0.78);
}

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

@media (min-width: 640px) {
  .page-news .summary-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-news .summary-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

/* ---------- 版本日志 ---------- */
.page-news .log-section {
  background: var(--white);
  padding: clamp(40px, 6vw, 76px) 0 clamp(44px, 6.4vw, 84px);
}

.page-news .log-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 38px);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-news .log-section .eyebrow {
  color: var(--teal-ink);
  margin: 0 0 10px;
}

.page-news .log-section h2 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  margin: 0 0 14px;
  color: var(--graphite);
}

.page-news .log-section .section-lead {
  color: #44525f;
}

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

.page-news .batch-block {
  scroll-margin-top: 96px;
}

.page-news .batch-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin: clamp(28px, 4vw, 46px) 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.page-news .batch-head:first-of-type {
  margin-top: 0;
}

.page-news .bh-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--teal-ink);
}

.page-news .batch-head h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.25;
  margin: 0;
  color: var(--graphite);
}

.page-news .bh-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #66757f;
}

.page-news .log-card {
  background: var(--paper);
  border: 1px solid var(--news-paper-line);
  border-left: 3px solid rgba(26, 35, 43, 0.3);
  border-radius: 2px;
  margin-bottom: 10px;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease), background 220ms var(--ease);
}

.page-news .log-card:hover {
  border-left-color: var(--teal-ink);
}

.page-news .log-card[open] {
  background: var(--white);
  border-color: rgba(26, 35, 43, 0.4);
  border-left-color: var(--teal-ink);
  box-shadow: 0 18px 34px -28px rgba(11, 22, 34, 0.7);
}

.page-news .log-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px 16px;
  padding: 16px 16px 16px 15px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .log-summary:focus-visible {
  outline: 2px solid var(--teal-ink);
  outline-offset: -2px;
}

.page-news .log-rail {
  flex: 0 0 100%;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: #6d7c88;
}

.page-news .rail-batch {
  color: var(--teal-ink);
  font-weight: 700;
}

.page-news .log-body {
  flex: 1 1 100%;
  min-width: 0;
}

.page-news .log-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 7px;
}

.page-news .log-title {
  display: block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.36;
  color: var(--graphite);
  letter-spacing: 0.002em;
}

.page-news .log-lead {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.68;
  color: #4c5a67;
}

.page-news .log-chev {
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  margin-left: auto;
  align-self: center;
  position: relative;
  border: 1px solid rgba(26, 35, 43, 0.28);
  border-radius: 50%;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-news .log-card[open] .log-chev {
  border-color: var(--teal-ink);
  background: rgba(14, 127, 114, 0.08);
}

.page-news .log-chev::before,
.page-news .log-chev::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--graphite);
}

.page-news .log-chev::before {
  width: 10px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-news .log-chev::after {
  width: 1.5px;
  height: 10px;
  transform: translate(-50%, -50%);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-news .log-card[open] .log-chev::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-news .log-detail {
  margin: 0 16px 0 15px;
  padding: 14px 0 18px;
  border-top: 1px dashed rgba(26, 35, 43, 0.24);
}

.page-news .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-news .change-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: #34424e;
}

.page-news .change-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--teal-ink);
  border-radius: 50%;
}

.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(26, 35, 43, 0.12);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: #66757f;
}

.page-news .log-meta b {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--graphite);
}

.page-news .log-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--teal-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 127, 114, 0.4);
  padding-bottom: 1px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .log-more:hover,
.page-news .log-more:focus-visible {
  color: var(--graphite);
  border-bottom-color: var(--graphite);
}

@media (min-width: 820px) {
  .page-news .log-summary {
    padding: 18px 20px 18px 18px;
  }

  .page-news .log-rail {
    flex: 0 0 118px;
    flex-direction: column;
    gap: 3px;
  }

  .page-news .log-detail {
    margin: 0 20px 0 18px;
  }

  .page-news .log-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
  }
}

/* ---------- 回访与反馈 ---------- */
.page-news .feedback-section {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(40px, 6vw, 78px) 0;
}

.page-news .feedback-section::before {
  content: "";
  position: absolute;
  inset: -30% 45% -20% -20%;
  background: repeating-radial-gradient(
    circle at 30% 50%,
    rgba(44, 74, 90, 0.48) 0 1px,
    transparent 1px 28px
  );
  pointer-events: none;
}

.page-news .feedback-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 46px);
  align-items: center;
}

.page-news .feedback-section .eyebrow {
  color: var(--orange);
  margin: 0 0 10px;
}

.page-news .feedback-section h2 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--white);
}

.page-news .feedback-section .section-lead {
  max-width: 54ch;
}

.page-news .feedback-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .feedback-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .fs-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  padding-top: 3px;
  letter-spacing: 0.06em;
}

.page-news .fs-text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--news-ink-soft);
}

.page-news .feedback-note {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

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

@media (min-width: 900px) {
  .page-news .feedback-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-card,
  .page-news .log-chev,
  .page-news .log-chev::after,
  .page-news .batch-links a,
  .page-news .log-more,
  .page-news .news-crumb a {
    transition: none;
  }
}