.page-news {
  background: var(--deep-900);
  color: var(--paper-100);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}

.page-news .lede {
  font-size: clamp(.98rem, 1.6vw, 1.06rem);
  line-height: 1.8;
  margin: 0;
}

.page-news .eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--cyan-400);
}

.page-news .notes-head {
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-news .notes-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.6vw, 2.25rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  margin: 0 0 12px;
}

.page-news .notes-head .lede {
  color: var(--mist-400);
  max-width: 44em;
}

/* ---------- 首屏 ---------- */
.page-news .notes-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 6vw, 64px) 0 clamp(40px, 7vw, 84px);
  background:
    radial-gradient(120% 95% at 82% 0%, rgba(43, 231, 206, .16), transparent 62%),
    linear-gradient(180deg, var(--deep-700), var(--deep-900));
  border-bottom: 1px solid var(--deep-500);
}

.page-news .notes-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.75);
  pointer-events: none;
}

.page-news .notes-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(140, 163, 180, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 163, 180, .12) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 76%);
  mask-image: linear-gradient(180deg, #000, transparent 76%);
}

.page-news .notes-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .notes-hero .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .4em;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.page-news .notes-hero .crumbs li {
  display: flex;
  align-items: center;
  color: var(--mist-400);
}

.page-news .notes-hero .crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: .4em;
  color: var(--deep-500);
}

.page-news .notes-hero .crumbs a {
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .notes-hero .crumbs a:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-news .notes-hero__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  color: var(--cyan-400);
}

.page-news .notes-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.4vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 0 0 20px;
  max-width: 18em;
}

.page-news .notes-hero__lede {
  color: var(--mist-400);
  max-width: 40em;
}

.page-news .notes-hero__actions {
  margin-top: clamp(22px, 3.4vw, 32px);
}

/* ---------- 本周提要 ---------- */
.page-news .notes-week {
  background: var(--deep-900);
}

.page-news .week-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-news .week-item {
  position: relative;
  padding: 24px 20px 20px 24px;
  border: 1px solid var(--deep-500);
  background: linear-gradient(180deg, rgba(10, 36, 56, .92), rgba(4, 18, 31, .96));
}

.page-news .week-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan-400), rgba(43, 231, 206, 0));
}

.page-news .week-item h3 {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 14px 0 8px;
}

.page-news .week-item p {
  margin: 0 0 14px;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--mist-400);
}

/* ---------- 列表 ---------- */
.page-news .notes-list {
  background: var(--paper-100);
  color: var(--ink-900);
  scroll-margin-top: 80px;
}

.page-news .notes-list .eyebrow {
  color: var(--cyan-700);
}

.page-news .notes-list .notes-head .lede {
  color: #4a5b67;
}

.page-news .notes-body {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-news .notes-index {
  border-top: 2px solid var(--ink-900);
  padding-top: 14px;
}

.page-news .notes-index__title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan-700);
}

.page-news .notes-index ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--paper-300);
}

.page-news .notes-index li {
  position: relative;
  padding: 10px 0 10px 16px;
}

.page-news .notes-index li::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 15px;
  width: 2px;
  height: 14px;
  background: var(--cyan-700);
}

.page-news .notes-index__name {
  display: block;
  font-size: .9rem;
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .notes-index__num {
  display: block;
  margin-top: 3px;
  font-size: 11.5px;
  color: #61727e;
}

.page-news .notes-main {
  min-width: 0;
}

.page-news .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 24px);
}

.page-news .filter-btn {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding: 8px 16px;
  border: 1px solid var(--paper-300);
  border-radius: 999px;
  background: #fff;
  color: #41525e;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--cyan-700);
  color: var(--ink-900);
}

.page-news .filter-btn.is-active,
.page-news .filter-btn[aria-pressed="true"] {
  border-color: var(--orange-500);
  background: rgba(255, 122, 47, .14);
  color: var(--ink-900);
  font-weight: 700;
}

.page-news .notes-stream {
  display: grid;
  gap: 16px;
}

.page-news .note {
  position: relative;
  background: var(--paper-100);
  border: 1px solid var(--paper-300);
  box-shadow: 3px 3px 0 rgba(228, 223, 210, .95), 6px 6px 0 rgba(228, 223, 210, .45);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
  scroll-margin-top: 90px;
}

.page-news .note:hover {
  border-color: var(--cyan-700);
}

.page-news .note:target {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(255, 122, 47, .2), 3px 3px 0 rgba(228, 223, 210, .95);
}

.page-news .note__summary {
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 18px 18px 16px;
}

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

.page-news .note__summary::marker {
  content: "";
}

.page-news .note__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-news .note .label {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--paper-300);
  background: #fff;
  font-size: 11.5px;
  color: var(--cyan-700);
  transform: rotate(-1.2deg);
}

.page-news .note__time {
  font-size: 11.5px;
  color: #6b7d89;
  white-space: nowrap;
}

.page-news .note__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.5;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink-900);
}

.page-news .note__excerpt {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: #43545f;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .note__body {
  padding: 14px 18px 20px;
  border-top: 1px dashed var(--paper-300);
}

.page-news .note__points {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-news .note__points dt {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--cyan-700);
}

.page-news .note__points dd {
  margin: 3px 0 0;
  font-size: .92rem;
  line-height: 1.75;
  color: #33434f;
}

/* ---------- 右侧窄栏 ---------- */
.page-news .notes-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .notes-aside__media {
  margin: 0;
}

.page-news .notes-aside__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}

.page-news .aside-box {
  border: 1px solid var(--paper-300);
  background: #fff;
  padding: 18px;
}

.page-news .aside-box__title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan-700);
}

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

.page-news .aside-list li {
  position: relative;
  padding-left: 14px;
  font-size: .89rem;
  line-height: 1.7;
  color: #43545f;
}

.page-news .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange-500);
}

.page-news .aside-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .aside-links a {
  display: block;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--cyan-700);
  text-decoration: none;
  border-bottom: 1px solid var(--paper-300);
  padding-bottom: 8px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .aside-links a:hover {
  color: var(--ink-900);
  border-bottom-color: var(--orange-500);
}

/* ---------- 笔记结构 ---------- */
.page-news .notes-anatomy {
  background: linear-gradient(180deg, var(--deep-900), var(--deep-700));
}

.page-news .notes-anatomy__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .anatomy-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-news .anatomy-list li {
  position: relative;
  padding: 18px 0 18px 52px;
  border-top: 1px solid var(--deep-500);
}

.page-news .anatomy-list li:last-child {
  border-bottom: 1px solid var(--deep-500);
}

.page-news .anatomy-list li > .mono {
  position: absolute;
  left: 0;
  top: 20px;
  font-size: 12px;
  color: var(--cyan-400);
}

.page-news .anatomy-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-news .anatomy-list p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--mist-400);
}

.page-news .notes-anatomy__media {
  margin: 0;
}

.page-news .notes-anatomy__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
}

/* ---------- 归档 ---------- */
.page-news .notes-archive {
  background: var(--deep-700);
  border-top: 1px solid var(--deep-500);
  border-bottom: 1px solid var(--deep-500);
}

.page-news .archive-grid {
  display: grid;
  gap: 16px;
}

.page-news .archive-card {
  border: 1px solid var(--deep-500);
  background: rgba(4, 18, 31, .58);
  padding: 22px 20px;
}

.page-news .archive-card__tag {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

.page-news .archive-card h3 {
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 10px;
}

.page-news .archive-card p {
  margin: 0 0 14px;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--mist-400);
}

.page-news .archive-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-news .archive-note a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 231, 206, .45);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-news .archive-note a:hover {
  color: var(--paper-100);
  border-bottom-color: var(--orange-500);
}

/* ---------- 用法 ---------- */
.page-news .notes-use {
  background: var(--deep-900);
}

.page-news .notes-use__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .notes-use__path {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 clamp(24px, 3vw, 32px);
  padding: 0;
}

.page-news .notes-use__path .path__node {
  position: relative;
  padding: 0 0 24px 34px;
}

.page-news .notes-use__path .path__node::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: 0;
  width: 1px;
  background: var(--deep-500);
}

.page-news .notes-use__path .path__node:last-child::before {
  display: none;
}

.page-news .notes-use__path .path__dot {
  position: absolute;
  left: 0;
  top: 3px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--cyan-400);
  background: var(--deep-900);
  box-shadow: 0 0 0 3px rgba(43, 231, 206, .12);
}

.page-news .notes-use__path .path__label {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

.page-news .notes-use__path h3 {
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 8px;
}

.page-news .notes-use__path p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--mist-400);
}

.page-news .notes-use__path p a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 231, 206, .45);
}

.page-news .notes-use__path p a:hover {
  border-bottom-color: var(--orange-500);
  color: var(--paper-100);
}

.page-news .notes-use__media {
  margin: 0;
  align-self: start;
}

.page-news .notes-use__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-news .week-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-news .notes-anatomy__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .notes-use__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .notes-body {
    grid-template-columns: 176px minmax(0, 1fr) 252px;
    align-items: start;
  }

  .page-news .notes-index {
    position: sticky;
    top: 92px;
  }
}

@media (min-width: 1100px) {
  .page-news .notes-body {
    grid-template-columns: 190px minmax(0, 1fr) 272px;
    gap: 36px;
  }
}

@media (max-width: 480px) {
  .page-news .notes-hero h1 {
    font-size: clamp(1.6rem, 8.2vw, 2.2rem);
  }

  .page-news .note__summary {
    padding: 16px 14px 14px;
  }

  .page-news .note__body {
    padding: 12px 14px 18px;
  }

  .page-news .filter-btn {
    padding: 7px 13px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}