.page-news {
  --nl-cut: 20px;
  --nl-paper-line: rgba(16, 62, 92, .18);
  --nl-feed-ver: #0E8D82;
  --nl-feed-rule: #A9700F;
  --nl-feed-guide: #137B72;
  --nl-feed-safe: #4A6376;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .nl-hero {
  position: relative;
  padding: clamp(16px, 3vw, 28px) 0 clamp(34px, 6vw, 62px);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(31, 224, 208, .16), transparent 60%),
    radial-gradient(90% 80% at 0% 46%, rgba(242, 179, 75, .09), transparent 62%),
    var(--ink);
  border-bottom: var(--line-steel);
  overflow: hidden;
}

.page-news .nl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 16px;
}

.page-news .nl-hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 900;
  max-width: 14em;
}

.page-news .nl-lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .nl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .nl-hero-side {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-news .nl-hero-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .nl-hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .nl-toc {
  padding: 16px 18px 18px;
  background: rgba(11, 41, 66, .62);
  border: 1px solid var(--steel);
  font-size: 14px;
}

.page-news .nl-toc-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-news .nl-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .nl-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 62, 92, .55);
  transition: color .25s var(--ease);
}

.page-news .nl-toc li:last-child a {
  border-bottom: 0;
}

.page-news .nl-toc a .num {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .nl-toc a:hover,
.page-news .nl-toc a[aria-current="location"] {
  color: var(--cyan);
}

.page-news .nl-toc a[aria-current="location"] .num {
  color: var(--amber);
}

/* ---------- 章节标题 ---------- */
.page-news .nl-sec-head {
  max-width: 46em;
}

.page-news .nl-sec-head h2 {
  margin: 10px 0 0;
  font-size: clamp(25px, 4vw, 38px);
  line-height: 1.22;
  letter-spacing: -.02em;
  font-weight: 900;
}

.page-news .nl-sec-lead {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .nl-sec-head--paper h2 {
  color: var(--black);
}

.page-news .nl-sec-head--paper .nl-sec-lead {
  color: rgba(18, 16, 14, .74);
}

.page-news .nl-sec-head--paper .eyebrow {
  color: var(--nl-feed-ver);
}

.page-news .nl-sec-lead a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 三条要闻 ---------- */
.page-news .nl-headlines {
  padding: clamp(40px, 6vw, 76px) 0 clamp(30px, 5vw, 54px);
  border-bottom: var(--line-steel);
}

.page-news .nl-headline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.page-news .nl-hcard {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--deep);
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--nl-cut)), calc(100% - var(--nl-cut)) 100%, 0 100%);
  overflow: hidden;
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-news .nl-hcard:hover {
  transform: translateY(-4px);
  background: #0d2f4a;
}

.page-news .nl-hcard-media {
  margin: 0;
  overflow: hidden;
}

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

.page-news .nl-hcard-body {
  padding: 20px 20px 24px;
}

.page-news .nl-hcard-body h3 {
  margin: 12px 0 8px;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.4;
  font-weight: 900;
}

.page-news .nl-hcard-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .nl-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-bottom: 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 224, 208, .38);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-news .nl-more:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-news .nl-more span {
  font-family: var(--font-mono);
}

/* ---------- 栏目 ---------- */
.page-news .nl-columns {
  padding: clamp(38px, 6vw, 72px) 0;
}

.page-news .nl-col-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 26px;
}

.page-news .nl-col-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

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

.page-news .nl-col-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .nl-col-item {
  position: relative;
  padding: 16px 0 16px 20px;
  border-bottom: 1px solid var(--steel);
}

.page-news .nl-col-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--col, var(--cyan));
}

.page-news .nl-col-item h3 {
  margin: 10px 0 6px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.4;
}

.page-news .nl-col-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .nl-col-item[data-col="ver"] { --col: var(--cyan); }
.page-news .nl-col-item[data-col="rule"] { --col: var(--amber); }
.page-news .nl-col-item[data-col="guide"] { --col: var(--cyan-soft); }
.page-news .nl-col-item[data-col="safe"] { --col: var(--mist); }

/* ---------- 更新列表 ---------- */
.page-news .nl-feed-section.section--paper {
  background: var(--paper);
  color: var(--black);
  padding: clamp(42px, 6.5vw, 82px) 0;
}

.page-news .nl-filter {
  position: relative;
  margin-top: 24px;
}

.page-news .nl-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .nl-filter-label {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  margin: 0 8px 10px 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  border: 1px solid var(--nl-paper-line);
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-news .nl-filter-label:hover {
  border-color: var(--nl-feed-ver);
  color: var(--nl-feed-ver);
}

.page-news .nl-filter-input:checked + .nl-filter-label {
  background: var(--black);
  border-color: var(--black);
  color: var(--paper);
}

.page-news .nl-filter-input:focus-visible + .nl-filter-label {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-news .nl-feed-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: 1px solid var(--nl-paper-line);
}

.page-news .nl-feed-item {
  --col: var(--nl-feed-ver);
  position: relative;
  padding: 15px 12px 15px 18px;
  border-bottom: 1px solid var(--nl-paper-line);
  box-shadow: inset 3px 0 0 var(--col);
  transition: box-shadow .25s var(--ease), background .25s var(--ease);
}

.page-news .nl-feed-item[data-col="ver"] { --col: var(--nl-feed-ver); }
.page-news .nl-feed-item[data-col="rule"] { --col: var(--nl-feed-rule); }
.page-news .nl-feed-item[data-col="guide"] { --col: var(--nl-feed-guide); }
.page-news .nl-feed-item[data-col="safe"] { --col: var(--nl-feed-safe); }

.page-news .nl-feed-item:hover {
  box-shadow: inset 5px 0 0 var(--col);
  background: rgba(18, 16, 14, .035);
}

.page-news .nl-feed-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .nl-feed-meta .tag {
  padding: 2px 9px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--col);
  background: transparent;
  border: 1px solid currentColor;
}

.page-news .nl-feed-time {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(18, 16, 14, .52);
}

.page-news .nl-feed-title {
  margin: 7px 0 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--black);
}

.page-news .nl-feed-desc {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(18, 16, 14, .72);
}

.page-news .nl-feed-more {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(18, 16, 14, .5);
}

@media (hover: hover) {
  .page-news .nl-feed-more {
    max-height: 0;
    margin: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s var(--ease), opacity .25s var(--ease), margin-top .3s var(--ease);
  }

  .page-news .nl-feed-item:hover .nl-feed-more {
    max-height: 5em;
    margin-top: 6px;
    opacity: 1;
  }
}

.page-news #nl-f-ver:checked ~ .nl-feed-list .nl-feed-item:not([data-col="ver"]),
.page-news #nl-f-rule:checked ~ .nl-feed-list .nl-feed-item:not([data-col="rule"]),
.page-news #nl-f-guide:checked ~ .nl-feed-list .nl-feed-item:not([data-col="guide"]),
.page-news #nl-f-safe:checked ~ .nl-feed-list .nl-feed-item:not([data-col="safe"]) {
  display: none;
}

/* ---------- 时间轴 ---------- */
.page-news .nl-timeline-section.section--paper {
  background: var(--paper);
  color: var(--black);
  padding: 0 0 clamp(46px, 7vw, 88px);
}

.page-news .nl-tl-panel {
  position: relative;
  margin-top: 28px;
  padding: clamp(22px, 4vw, 42px);
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  overflow: hidden;
}

.page-news .nl-tl-band {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  height: 150px;
  opacity: .22;
  pointer-events: none;
}

.page-news .nl-tl-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .nl-tl {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
}

.page-news .nl-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), rgba(31, 224, 208, .12));
}

.page-news .nl-tl-node {
  position: relative;
  padding: 8px 0;
}

.page-news .nl-tl-node::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 18px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(31, 224, 208, .16);
}

.page-news .nl-tl summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .nl-tl summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-news .nl-tl-time {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .nl-tl-name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .nl-tl-name::after {
  content: "＋";
  margin-left: 10px;
  font-size: 14px;
  color: var(--amber);
}

.page-news .nl-tl details[open] .nl-tl-name::after {
  content: "－";
}

.page-news .nl-tl details p {
  margin: 8px 0 2px;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .nl-compare {
  margin-top: clamp(24px, 4vw, 40px);
  overflow-x: auto;
}

.page-news .nl-compare .ledger {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-news .nl-compare .ledger caption {
  padding-bottom: 10px;
  text-align: left;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--black);
}

.page-news .nl-compare .ledger th,
.page-news .nl-compare .ledger td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--nl-paper-line);
}

.page-news .nl-compare .ledger thead th {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--nl-feed-ver);
  text-transform: none;
}

.page-news .nl-compare .ledger tbody th {
  font-weight: 700;
  color: var(--black);
  white-space: nowrap;
}

.page-news .nl-compare .ledger td {
  color: rgba(18, 16, 14, .74);
}

/* ---------- 收藏 ---------- */
.page-news .nl-save-section {
  padding: clamp(44px, 7vw, 92px) 0;
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(242, 179, 75, .1), transparent 62%),
    var(--ink);
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
}

.page-news .nl-save-grid {
  align-items: start;
  gap: 26px;
}

.page-news .nl-save-intro h2 {
  margin: 10px 0 0;
  font-size: clamp(25px, 4vw, 36px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.02em;
}

.page-news .nl-save-intro p {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .nl-save-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .nl-save-card {
  padding: 22px 20px 24px;
  background: rgba(11, 41, 66, .72);
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-news .nl-save-idx {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-news .nl-save-card h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.4;
}

.page-news .nl-save-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 核实流程 ---------- */
.page-news .nl-verify-section {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-news .nl-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .nl-steps li {
  position: relative;
  padding: 22px 18px 20px;
  background: rgba(6, 21, 39, .72);
  border: 1px solid var(--steel);
  border-top: 2px solid var(--amber);
}

.page-news .nl-step-idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-news .nl-steps h3 {
  margin: 10px 0 8px;
  font-size: 17.5px;
  font-weight: 900;
  line-height: 1.4;
}

.page-news .nl-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 下一步 ---------- */
.page-news .nl-next {
  padding: 0 0 clamp(48px, 7vw, 90px);
}

.page-news .nl-next-panel {
  padding: clamp(24px, 4vw, 44px);
  background: rgba(11, 41, 66, .58);
  border: 1px solid var(--steel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-news .nl-next-panel h2 {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  font-weight: 900;
}

.page-news .nl-next-links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .nl-next-links a {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 12px;
  row-gap: 4px;
  padding: 14px 16px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(6, 21, 39, .55);
  border: 1px solid var(--steel);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-news .nl-next-links a:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .nl-next-links .num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-news .nl-next-links strong {
  font-size: 16px;
  font-weight: 900;
}

.page-news .nl-next-links a > span:last-child {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-news .nl-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(26px, 4vw, 56px);
    align-items: start;
    margin-top: 26px;
  }

  .page-news .nl-col-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: clamp(24px, 4vw, 54px);
    align-items: start;
  }

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

  .page-news .nl-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

@media (min-width: 880px) {
  .page-news .nl-headline-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    padding-bottom: 42px;
  }

  .page-news .nl-hcard:nth-child(2) {
    margin-top: 22px;
  }

  .page-news .nl-hcard:nth-child(3) {
    margin-top: 44px;
  }

  .page-news .nl-feed-item {
    padding: 16px 18px 16px 22px;
  }

  .page-news .nl-feed-meta {
    justify-content: space-between;
  }
}

@media (min-width: 1080px) {
  .page-news .nl-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
  }

  .page-news .nl-toc li:nth-last-child(2) a {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nl-hcard,
  .page-news .nl-more,
  .page-news .nl-feed-item,
  .page-news .nl-next-links a,
  .page-news .nl-filter-label {
    transition: none;
  }

  .page-news .nl-hcard:hover,
  .page-news .nl-next-links a:hover {
    transform: none;
  }
}