.page-news {
  --tp-line: #1B3A2C;
  --tp-line-soft: rgba(36, 74, 58, .58);
  --tp-panel: #0A2018;
  background: var(--ink-950);
  color: var(--paper);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-news a {
  color: inherit;
}

.page-news .tp-crumb {
  padding-top: clamp(16px, 3vw, 26px);
  padding-bottom: clamp(10px, 2vw, 18px);
}

.page-news .tp-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-news .tp-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--grid);
}

.page-news .tp-crumb .breadcrumb a {
  text-decoration: none;
  color: var(--mist);
}

.page-news .tp-crumb .breadcrumb a:hover {
  color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-news .tp-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
  padding-bottom: clamp(30px, 5vw, 62px);
  background: radial-gradient(130% 100% at 88% 0%, rgba(201, 255, 74, .12), transparent 58%),
              radial-gradient(90% 80% at 10% 100%, rgba(116, 230, 196, .07), transparent 62%);
}

.page-news .tp-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 7vw, 78px);
  line-height: .96;
  letter-spacing: -.02em;
  margin: 12px 0 20px;
  color: var(--paper);
}

.page-news .tp-hero-copy .lead {
  max-width: 46ch;
  margin: 0 0 22px;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--mist);
}

.page-news .tp-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-news .tp-hero-facts span {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--lime);
}

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

/* ---------- 头条 ---------- */
.page-news .tp-feature {
  margin: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--tp-line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-news .tp-feature img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  max-width: 100%;
}

.page-news .tp-feature figcaption {
  padding: clamp(18px, 3vw, 28px);
  background: linear-gradient(180deg, rgba(5, 19, 14, .2), rgba(5, 19, 14, .96) 42%);
}

.page-news .tp-feature h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin: 14px 0 12px;
  color: var(--paper);
}

.page-news .tp-feature p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .tp-feature .tp-quote {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.7;
  color: var(--lime-soft);
}

/* ---------- 节点刻度 ---------- */
.page-news .tp-timeline {
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-news .tp-axis {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  gap: 0;
  margin-top: 14px;
  border-top: 1px solid var(--tp-line);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .tp-node {
  position: relative;
  padding: 18px 20px 18px 0;
  border-right: 1px solid var(--tp-line-soft);
}

.page-news .tp-node:last-child {
  border-right: 0;
}

.page-news .tp-node-mark {
  display: block;
  width: 7px;
  height: 7px;
  margin-bottom: 12px;
  background: var(--grid);
}

.page-news .tp-node--now .tp-node-mark {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(201, 255, 74, .16);
}

.page-news .tp-node-day {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .tp-node--now .tp-node-day {
  color: var(--lime);
}

.page-news .tp-node-text {
  margin: 0;
  max-width: 22ch;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 主体：左刻度 + 右列表 ---------- */
.page-news .tp-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

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

.page-news .tp-rail-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .tp-rail-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-news .tp-rail-link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "num name" "num count";
  align-items: center;
  column-gap: 10px;
  padding: 12px 12px 12px 0;
  border-left: 2px solid var(--grid);
  padding-left: 12px;
  text-decoration: none;
  font-size: 14px;
  color: var(--paper);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-news .tp-rail-link .mono {
  grid-area: num;
  font-size: 11px;
  color: var(--mist);
}

.page-news .tp-rail-link b {
  grid-area: count;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  color: var(--mist);
}

.page-news .tp-rail-link:hover,
.page-news .tp-rail-link:focus-visible {
  background: rgba(201, 255, 74, .07);
}

.page-news .tp-rail-link--round:hover { border-left-color: var(--lime); }
.page-news .tp-rail-link--data:hover { border-left-color: var(--mint); }
.page-news .tp-rail-link--version:hover { border-left-color: var(--amber); }
.page-news .tp-rail-link--ticket:hover { border-left-color: var(--orange); }

.page-news .tp-rail-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--tp-line-soft);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 分类区块 ---------- */
.page-news .tp-cat {
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--tp-line);
  margin-top: clamp(26px, 4vw, 44px);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-news .tp-stream > .tp-cat:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-news .tp-cat-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.page-news .tp-cat-head h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-news .tp-cat-head h2 .mono {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-news .tp-cat--round .tp-cat-head h2 .mono { color: var(--lime); }
.page-news .tp-cat--data .tp-cat-head h2 .mono { color: var(--mint); }
.page-news .tp-cat--version .tp-cat-head h2 .mono { color: var(--amber); }
.page-news .tp-cat--ticket .tp-cat-head h2 .mono { color: var(--orange); }

.page-news .tp-cat-desc {
  margin: 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .tp-cat-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

/* ---------- 条目 ---------- */
.page-news .tp-list {
  border-top: 1px solid var(--tp-line-soft);
}

.page-news .tp-item {
  border-bottom: 1px solid var(--tp-line-soft);
}

.page-news .tp-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 4px 16px 0;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur-fast) var(--ease);
}

.page-news .tp-item > summary::-webkit-details-marker {
  display: none;
}

.page-news .tp-item > summary:hover {
  background: rgba(201, 255, 74, .05);
}

.page-news .tp-num {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .tp-item-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .tp-item-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.1vw, 22px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .tp-item-meta {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .tp-toggle {
  position: relative;
  width: 12px;
  height: 12px;
  flex: none;
}

.page-news .tp-toggle::before,
.page-news .tp-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 12px;
  height: 1px;
  background: var(--mist);
  transform: translateY(-50%);
}

.page-news .tp-toggle::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform var(--dur) var(--ease);
}

.page-news .tp-item[open] .tp-toggle::before {
  background: var(--lime);
}

.page-news .tp-item[open] .tp-toggle::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-news .tp-item[open] .tp-item-title {
  color: var(--lime-soft);
}

.page-news .tp-item-sum {
  margin: 0 0 18px 30px;
  padding-left: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  animation: tp-fade var(--dur) var(--ease) both;
}

@keyframes tp-fade {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 分类配图 ---------- */
.page-news .tp-figure {
  margin: 0;
  border: 1px solid var(--tp-line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-news .tp-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 900 / 650;
  object-fit: cover;
}

.page-news .tp-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--tp-line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 更新节奏 ---------- */
.page-news .tp-cadence {
  margin-top: clamp(40px, 6vw, 76px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--tp-line);
}

.page-news .tp-cadence-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -.015em;
}

.page-news .tp-cadence-head p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .tp-cadence-head a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 255, 74, .4);
}

.page-news .tp-cadence-head a:hover {
  color: var(--lime-soft);
}

.page-news .tp-cadence-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--tp-line);
}

.page-news .tp-cadence-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--tp-line-soft);
}

.page-news .tp-cadence-key {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lime);
}

.page-news .tp-cadence-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 订阅 ---------- */
.page-news .tp-subscribe {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(40px, 6vw, 76px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--tp-line);
  background: linear-gradient(140deg, #0B241A 0%, #0E2A1F 48%, #123024 100%);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-news .tp-sub-copy h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -.015em;
}

.page-news .tp-sub-copy p {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .tp-sub-copy a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 192, 120, .45);
}

.page-news .tp-sub-copy a:hover {
  color: var(--orange);
}

.page-news .tp-sub-form {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(16px, 2.5vw, 22px);
  border: 1px solid var(--grid);
  background: rgba(5, 19, 14, .55);
}

.page-news .tp-field-label {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-news .tp-field {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid var(--grid);
  border-radius: 0;
  background: var(--ink-950);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  appearance: none;
}

.page-news .tp-field::placeholder {
  color: #5C7C6E;
}

.page-news .tp-field:focus {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 1px rgba(201, 255, 74, .35);
}

.page-news .tp-field:invalid:not(:placeholder-shown) {
  border-color: var(--orange);
}

.page-news .tp-sub-hint {
  margin: 2px 0 0;
  font-size: 11px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .tp-item-sum {
    margin-left: 40px;
  }

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

  .page-news .tp-cadence-list li {
    padding: 18px 18px 18px 0;
    border-right: 1px solid var(--tp-line-soft);
  }

  .page-news .tp-cadence-list li:nth-child(2n) {
    padding-right: 0;
    border-right: 0;
    padding-left: 18px;
  }
}

@media (min-width: 860px) {
  .page-news .tp-cat-body {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-news .tp-feature {
    position: relative;
  }

  .page-news .tp-feature img {
    aspect-ratio: 14 / 10;
  }

  .page-news .tp-feature figcaption {
    position: absolute;
    inset: auto 0 0 0;
    background: linear-gradient(0deg, rgba(5, 19, 14, .98) 8%, rgba(5, 19, 14, .82) 46%, rgba(5, 19, 14, 0) 100%);
    padding-top: clamp(40px, 7vw, 92px);
  }

  .page-news .tp-subscribe {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .tp-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }

  .page-news .tp-body {
    grid-template-columns: 196px minmax(0, 1fr);
  }

  .page-news .tp-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }

  .page-news .tp-rail-nav {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-news .tp-cadence-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .tp-cadence-list li,
  .page-news .tp-cadence-list li:nth-child(2n) {
    padding: 20px 18px 20px 0;
    border-right: 1px solid var(--tp-line-soft);
    border-bottom: 1px solid var(--tp-line-soft);
  }

  .page-news .tp-cadence-list li:nth-child(2n) {
    padding-left: 0;
  }

  .page-news .tp-cadence-list li:not(:first-child) {
    padding-left: 18px;
  }

  .page-news .tp-cadence-list li:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tp-item-sum {
    animation: none;
  }

  .page-news .tp-toggle::after,
  .page-news .tp-rail-link {
    transition: none;
  }
}