.page-news {
  display: block;
}

/* ============ 首屏 ============ */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--indigo);
}

.page-news .news-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(43, 227, 210, 0.14), transparent 55%),
    radial-gradient(90% 80% at 90% 86%, rgba(255, 179, 82, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(14, 24, 54, 0.52) 0%, rgba(14, 24, 54, 0.9) 58%, var(--indigo) 100%);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(46px, 6.5vw, 100px) clamp(34px, 4vw, 58px);
}

.page-news .news-hero .crumbs {
  margin-bottom: clamp(22px, 3vw, 42px);
}

.page-news .news-hero .eyebrow {
  color: var(--cyan);
}

.page-news .news-hero .h1 {
  margin: 10px 0 0;
  max-width: 15ch;
  font-size: clamp(32px, 5.4vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-hero .lede {
  margin-top: 22px;
  max-width: 58ch;
  font-size: clamp(15px, 1.1vw, 17.5px);
  line-height: 1.75;
  color: var(--muted-soft);
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 52px;
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__fact {
  min-width: 96px;
}

.page-news .news-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .news-hero__fact dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 1.6vw, 24px);
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ============ 最新一期 ============ */
.page-news .news-latest {
  padding-block: clamp(40px, 5vw, 76px);
  background: var(--indigo);
}

.page-news .news-latest__panel {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  padding: clamp(22px, 3vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(135deg, rgba(43, 227, 210, 0.08) 0%, rgba(255, 255, 255, 0.03) 46%, rgba(255, 179, 82, 0.07) 100%);
}

.page-news .news-latest__issue {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .news-latest__lead .h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.1vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-latest__text {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted-soft);
}

.page-news .news-latest__link-row {
  margin: 18px 0 0;
}

.page-news .news-latest__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--line);
}

.page-news .news-latest__points li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted-soft);
}

/* ============ 分类与筛选 ============ */
.page-news .news-filter {
  padding-block: clamp(44px, 6vw, 88px);
  background: var(--paper);
  color: var(--paper-ink);
  border-bottom: 1px solid var(--line);
}

.page-news .news-filter__grid {
  display: grid;
  gap: clamp(24px, 3vw, 48px);
  align-items: center;
}

.page-news .news-filter__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(14, 24, 54, 0.1);
  background: #e6ecf9;
}

.page-news .news-filter__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 900 / 520;
}

.page-news .news-filter__figure .figure-cap {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--paper-body);
  background: #e9effb;
}

.page-news .news-filter .eyebrow {
  color: #0d7f78;
}

.page-news .news-filter .h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 2.9vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper-ink);
}

.page-news .news-filter__text {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-body);
}

.page-news .news-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 17px;
  border-radius: 999px;
  border: 1px solid rgba(14, 24, 54, 0.14);
  background: rgba(255, 255, 255, 0.72);
  color: var(--paper-ink);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-news .news-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.page-news .news-chip--new::before { background: #14a99c; }
.page-news .news-chip--entry::before { background: #d98a1f; }
.page-news .news-chip--rule::before { background: #e2604f; }
.page-news .news-chip--ux::before { background: #1f9c67; }

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  border-color: var(--amber);
  background: #ffffff;
  transform: translateY(-2px);
}

.page-news .news-filter__hint {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #6b7b9b;
}

/* ============ 变更列表 ============ */
.page-news .news-stream {
  padding-block: clamp(44px, 6vw, 96px);
  background: var(--indigo);
}

.page-news .news-stream__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 54px);
}

.page-news .news-stream__rail-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-news .stream-rail {
  list-style: none;
  margin: 0;
  padding: 2px 0 0 18px;
  border-left: 1px solid var(--line);
}

.page-news .stream-rail li {
  position: relative;
  padding-bottom: 20px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-news .stream-rail li:last-child {
  padding-bottom: 0;
}

.page-news .stream-rail li::before {
  content: "";
  position: absolute;
  left: -22.5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--indigo);
  border: 1px solid var(--line);
}

.page-news .stream-rail li.is-now {
  color: var(--cyan);
  font-weight: 600;
}

.page-news .stream-rail li.is-now::before {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 179, 82, 0.16);
}

.page-news .stream-rail li.is-quiet {
  font-size: 12px;
  color: #6b7b9b;
}

.page-news .news-stream__main .h2 {
  margin: 0;
  font-size: clamp(23px, 2.8vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-stream__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .upd-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .upd-item {
  position: relative;
  padding: 26px 0 26px 22px;
  border-bottom: 1px solid var(--line);
}

.page-news .upd-item:nth-child(n + 5) {
  padding-block: 34px;
}

.page-news .upd-item:nth-child(n + 7) {
  padding-block: 44px;
}

.page-news .upd-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 2px;
  background: var(--line);
  transition: width var(--t) var(--ease), background var(--t) var(--ease);
}

.page-news .upd-item--new::before { background: var(--cyan); }
.page-news .upd-item--entry::before { background: var(--amber); }
.page-news .upd-item--rule::before { background: var(--coral); }
.page-news .upd-item--ux::before { background: var(--green); }

.page-news .upd-item:hover::before {
  width: 5px;
}

.page-news .upd-item__meta {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .upd-item__title {
  margin: 9px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 1.55vw, 21px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-news .upd-item__desc {
  margin: 9px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted-soft);
}

.page-news .upd-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 13px 0 0;
}

.page-news .upd-item__line {
  transition: opacity var(--t) var(--ease);
}

.page-news .upd-item__more {
  margin-top: 14px;
}

.page-news .upd-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  transition: color var(--t) var(--ease);
}

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

.page-news .upd-item__more summary::after {
  content: "+";
  font-size: 15px;
  line-height: 1;
  transition: transform var(--t) var(--ease);
}

.page-news .upd-item__more[open] summary::after {
  transform: rotate(45deg);
}

.page-news .upd-item__more summary:hover {
  color: var(--amber);
}

.page-news .upd-item__more p {
  margin: 12px 0 0;
  max-width: 66ch;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 产品线分布 ============ */
.page-news .news-lines {
  padding-block: clamp(44px, 6vw, 96px);
  background: var(--ink);
}

.page-news .news-lines .h2 {
  margin: 0;
  font-size: clamp(23px, 2.9vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-lines__grid {
  display: grid;
  gap: clamp(24px, 3vw, 46px);
  margin-top: clamp(26px, 3vw, 44px);
}

.page-news .news-lines__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.page-news .news-lines__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1000 / 560;
}

.page-news .news-lines__figure .figure-cap {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

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

.page-news .news-lines__list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-lines__list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .news-lines__name {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .news-lines__text {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted-soft);
}

/* ============ 归档与订阅 ============ */
.page-news .news-archive {
  padding-block: clamp(44px, 6vw, 96px);
  background: var(--indigo);
}

.page-news .news-archive .h2 {
  margin: 0;
  font-size: clamp(23px, 2.9vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-archive .h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-news .news-archive__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 54px);
  margin-top: clamp(24px, 3vw, 42px);
}

.page-news .news-archive__main .h3:not(:first-child) {
  margin-top: 30px;
}

.page-news .news-archive__text {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-soft);
}

.page-news .news-months {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-months li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  background: var(--indigo);
}

.page-news .news-months .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-soft);
}

.page-news .news-months em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-news .news-backtop {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

.page-news .news-archive__side {
  display: grid;
  align-content: start;
  gap: 16px;
}

.page-news .news-archive__figure {
  margin: 0 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.page-news .news-archive__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 760 / 480;
}

.page-news .news-archive__side .btn {
  justify-self: start;
}

/* ============ 变更之后 ============ */
.page-news .news-help {
  padding-block: clamp(44px, 6vw, 88px);
  border-top: 1px solid var(--line);
}

.page-news .news-help__grid {
  display: grid;
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}

.page-news .news-help .h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 2.9vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-help__text {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-soft);
}

.page-news .news-help__grid .btn {
  margin-top: 22px;
}

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

.page-news .news-help__list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted-soft);
  transition: color var(--t) var(--ease), padding-left var(--t) var(--ease);
}

.page-news .news-help__list li:hover {
  color: var(--text);
  padding-left: 6px;
}

.page-news .news-help__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

/* ============ 发布流程 ============ */
.page-news .news-method {
  padding-block: clamp(44px, 6vw, 92px);
  background: var(--indigo);
  border-top: 1px solid var(--line);
}

.page-news .news-method .h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 2.9vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-news .news-method__text {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-soft);
}

.page-news .news-method__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 60px);
}

.page-news .news-method__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-news .news-method__steps li {
  padding: 20px 20px 22px;
  background: var(--indigo);
}

.page-news .news-method__step-num {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .news-method__steps .h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--text);
}

.page-news .news-method__steps p {
  margin: 8px 0 0;
  font-size: 13.8px;
  line-height: 1.75;
  color: var(--muted);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-news .news-months {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-method__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-stream__grid {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .page-news .news-stream__rail {
    position: sticky;
    top: 116px;
    align-self: start;
  }

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

  .page-news .news-archive__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-news .news-latest__panel {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-filter__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-news .news-lines__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-method__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-news .upd-item__line {
    opacity: 0;
  }

  .page-news .upd-item:hover .upd-item__line,
  .page-news .upd-item:focus-within .upd-item__line {
    opacity: 1;
  }
}

@media (hover: none) {
  .page-news .upd-item__line {
    opacity: 1;
  }
}