/* ============ 内容动态 · 页面专属样式（作用域 .page-news） ============ */

.page-news {
  --rail-w: 210px;
  --sticky-top: 108px;
  display: block;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(28px, 4.5vw, 52px) 0 clamp(30px, 4.5vw, 52px);
  border-bottom: 1px solid var(--layer);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 22%;
  width: min(540px, 64vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 55%, var(--cyan-hi));
  transform: rotate(-9deg);
  opacity: 0.42;
  pointer-events: none;
}

.page-news .news-hero .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .news-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(32px, 6.4vw, 74px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.025em;
  max-width: 15em;
  color: var(--text);
}

.page-news .news-hero__title em {
  display: block;
  font-style: normal;
  font-weight: 700;
  color: var(--cyan);
}

.page-news .news-hero__lead {
  max-width: 44em;
  margin: 0 0 clamp(22px, 3.2vw, 32px);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

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

/* ---------- 章节骨架 ---------- */
.page-news .section {
  position: relative;
  padding: clamp(40px, 6vw, 76px) 0;
  border-bottom: 1px solid var(--layer);
}

.page-news .sec-head {
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-news .section__num {
  display: block;
  font-family: var(--font-geo);
  font-size: clamp(38px, 7vw, 80px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  margin-bottom: 6px;
}

.page-news .section__title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.3vw, 38px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.012em;
  color: var(--text);
}

.page-news .sec-head__note {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 01 本批头条 ---------- */
.page-news .batch-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .batch-switch 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 .batch-switch label {
  cursor: pointer;
  padding: 9px 15px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--layer);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: color 0.24s var(--ease), background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-news .batch-switch label:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .batch-switch input:checked + label {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .batch-switch input:focus-visible + label {
  outline: 2px solid var(--cyan-hi);
  outline-offset: 2px;
}

.page-news .news-lead__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

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

.page-news .batch-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@supports selector(:has(*)) {
  .page-news .batch-panel {
    display: none;
  }
  .page-news:has(#batch-3:checked) .batch-panel[data-batch="3"],
  .page-news:has(#batch-2:checked) .batch-panel[data-batch="2"],
  .page-news:has(#batch-1:checked) .batch-panel[data-batch="1"] {
    display: flex;
  }
}

.page-news .headline {
  position: relative;
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--panel);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .headline h3 {
  margin: 8px 0 10px;
  font-size: clamp(17px, 2.1vw, 23px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
}

.page-news .headline p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .headline .index-label {
  color: var(--orange-soft);
}

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

.page-news .news-lead__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 02 更新条目流 ---------- */
.page-news .stream {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 38px);
}

.page-news .stream__rail {
  position: relative;
  min-width: 0;
}

.page-news .stream__sticky > .index-label {
  display: block;
  margin: 0 0 12px;
  color: var(--muted);
}

.page-news .tagfilter {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.page-news .tagfilter 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 .tagfilter label {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--layer);
  background: transparent;
  cursor: pointer;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .tagfilter label::after {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  bottom: -1px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s var(--ease);
}

.page-news .tagfilter label:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .tagfilter input:checked + label {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .tagfilter input:checked + label::after {
  transform: scaleX(1);
}

.page-news .tagfilter input:focus-visible + label {
  outline: 2px solid var(--cyan-hi);
  outline-offset: 2px;
}

.page-news .rail-texture {
  margin: 22px 0 0;
}

.page-news .rail-texture img {
  display: block;
  width: 100%;
  height: 96px;
  object-fit: cover;
  opacity: 0.5;
  border: 1px solid var(--layer);
}

.page-news .stream__list {
  min-width: 0;
  border-top: 1px solid var(--layer);
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--layer);
  transition: padding-left 0.28s var(--ease);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: var(--orange);
  opacity: 0;
  transform: translateY(-50%);
  transition: width 0.28s var(--ease), opacity 0.28s var(--ease);
}

.page-news .entry:hover::before {
  width: 14px;
  opacity: 1;
}

.page-news .entry:hover {
  padding-left: 22px;
}

.page-news .entry:hover .entry__title {
  color: var(--cyan-hi);
}

.page-news .entry:nth-child(n + 11) {
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-news .entry:nth-child(n + 15) {
  padding-top: 11px;
  padding-bottom: 11px;
}

.page-news .entry__time {
  font-family: var(--font-geo);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

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

.page-news .entry__title {
  margin: 0 0 5px;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  transition: color 0.24s var(--ease);
}

.page-news .entry__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .entry .tag {
  justify-self: start;
}

@supports selector(:has(*)) {
  .page-news:has(#flt-entry-nav:checked) .entry:not([data-cat="entry-nav"]),
  .page-news:has(#flt-index:checked) .entry:not([data-cat="index"]),
  .page-news:has(#flt-device:checked) .entry:not([data-cat="device"]),
  .page-news:has(#flt-version:checked) .entry:not([data-cat="version"]),
  .page-news:has(#flt-tutorial:checked) .entry:not([data-cat="tutorial"]),
  .page-news:has(#flt-batch:checked) .entry:not([data-cat="batch"]),
  .page-news:has(#flt-faq:checked) .entry:not([data-cat="faq"]),
  .page-news:has(#flt-notice:checked) .entry:not([data-cat="notice"]),
  .page-news:has(#flt-contact:checked) .entry:not([data-cat="contact"]) {
    display: none;
  }
}

/* ---------- 03 栏目索引调整 ---------- */
.page-news .adjust-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .adjust-item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 30px) clamp(24px, 3vw, 34px);
  border-left: 1px solid var(--layer);
}

.page-news .adjust-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-news .adjust-item:last-child .adjust-node {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.16);
}

.page-news .adjust-node {
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(31, 224, 200, 0.14);
}

.page-news .adjust-when {
  margin: 0 0 6px;
  font-family: var(--font-geo);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.page-news .adjust-title {
  margin: 0 0 7px;
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 600;
  line-height: 1.48;
  color: var(--text);
}

.page-news .adjust-desc {
  max-width: 44em;
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 04 版本发布与归档 ---------- */
.page-news .version-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .vcard {
  position: relative;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--panel);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .vcard .index-label {
  color: var(--muted);
}

.page-news .vcard__num {
  margin: 10px 0 10px;
  font-family: var(--font-geo);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

.page-news .vcard__num--sm {
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--cyan);
}

.page-news .vcard__unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}

.page-news .vcard__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-version__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 05 季度观察 ---------- */
.page-news .news-report__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .metric {
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--panel);
  border-left: 1px solid var(--layer);
}

.page-news .metric .index-label {
  color: var(--cyan);
}

.page-news .metric__text {
  margin: 10px 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .metric__bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 52px;
}

.page-news .metric__bar {
  display: block;
  width: 16px;
  background: linear-gradient(180deg, var(--cyan-hi), var(--cyan));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%);
}

.page-news .metric__bar--1 {
  height: 78%;
}

.page-news .metric__bar--2 {
  height: 56%;
  background: linear-gradient(180deg, var(--blue), var(--cyan));
}

.page-news .metric__bar--3 {
  height: 34%;
  background: linear-gradient(180deg, var(--blue), var(--layer));
}

.page-news .metric__nodes {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .metric__node {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--layer);
  background: transparent;
}

.page-news .metric__node--on {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(31, 224, 200, 0.16);
}

.page-news .metric__gauge {
  height: 8px;
  background: var(--layer);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 4px 100%, 0 calc(100% - 4px));
  overflow: hidden;
}

.page-news .metric__gauge-fill {
  display: block;
  width: 68%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.page-news .report-media {
  margin: 0;
}

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

/* ---------- 06 订阅与归档 ---------- */
.page-news .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .archive-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .archive-card .index-label {
  color: var(--orange-soft);
}

.page-news .archive-card h3 {
  margin: 10px 0 12px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
}

.page-news .archive-card p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .archive-visual {
  margin: 0;
}

.page-news .archive-visual img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border: 1px solid var(--layer);
}

.page-news .archive-visual figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.page-news .archive-help {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: clamp(22px, 3.2vw, 34px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--layer);
}

.page-news .archive-help p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .metric:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 768px) {
  .page-news .entry {
    grid-template-columns: 128px minmax(0, 1fr) auto;
    align-items: baseline;
    column-gap: 20px;
  }
  .page-news .entry .tag {
    justify-self: end;
    align-self: center;
  }
  .page-news .version-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .archive-visual {
    grid-column: 1 / -1;
  }
  .page-news .archive-visual img {
    height: 240px;
  }
}

@media (min-width: 960px) {
  .page-news .news-lead__body {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .stream {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
  }
  .page-news .stream__sticky {
    position: sticky;
    top: var(--sticky-top);
  }
  .page-news .tagfilter {
    flex-direction: column;
    align-items: stretch;
  }
  .page-news .tagfilter label {
    justify-content: space-between;
  }
  .page-news .rail-texture img {
    height: 132px;
  }
  .page-news .news-report__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
  .page-news .metrics {
    grid-template-columns: 1fr;
  }
  .page-news .metric:last-child {
    grid-column: auto;
  }
  .page-news .archive-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 0.9fr);
  }
  .page-news .archive-visual {
    grid-column: auto;
    align-self: stretch;
  }
  .page-news .archive-visual img {
    height: 100%;
    min-height: 220px;
  }
}

@media (min-width: 1180px) {
  .page-news .section__title {
    max-width: 22em;
  }
  .page-news .headline {
    padding: 28px 30px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry::before,
  .page-news .entry__title,
  .page-news .tagfilter label,
  .page-news .tagfilter label::after,
  .page-news .batch-switch label {
    transition: none;
  }
  .page-news .entry:hover {
    padding-left: 0;
  }
  .page-news .entry:hover::before {
    width: 0;
    opacity: 0;
  }
}