.page-news {
  --news-accent: #F2B632;
  --news-cream: #F9F6F0;
  --news-silver: #E6E8EE;
  --news-slate: #6B7280;
  --news-primary: #0A1F44;
  --news-deep: #061126;
  --news-elevated: #0E2A5E;
  --news-banner-blue: #3A7CA5;
  --news-banner-red: #E8634A;
  --news-banner-green: #5F7A61;
  --news-nebula: #6C4B8E;
  --news-glass: rgba(14, 42, 94, .55);
  --news-border: rgba(230, 232, 238, .14);
  background:
    radial-gradient(ellipse 80% 50% at 85% 0%, rgba(108, 75, 142, .22), transparent 60%),
    radial-gradient(ellipse 60% 40% at 8% 12%, rgba(58, 124, 165, .18), transparent 55%),
    var(--news-deep);
  min-height: 100%;
}

.page-news .container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.page-news .section-head {
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-news .section-kicker {
  display: block;
  font-family: var(--font-display);
  font-size: .78rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--news-accent);
  margin-bottom: .5rem;
}

.page-news .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--news-silver);
  margin: 0;
}

.page-news .section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 52ch;
  margin-top: .6rem;
  line-height: 1.7;
}

.page-news .btn {
  font-family: var(--font-display);
  font-size: .92rem;
  letter-spacing: .04em;
  padding: .8rem 1.6rem;
  border-radius: var(--radius-pill);
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
}

.page-news .btn-primary {
  background: var(--news-accent);
  color: var(--news-primary);
  font-weight: 700;
}

.page-news .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(242, 182, 50, .28);
}

.page-news .btn-ghost {
  background: transparent;
  color: var(--news-silver);
  border: 1px solid var(--news-border);
}

.page-news .btn-ghost:hover {
  border-color: rgba(230, 232, 238, .5);
  background: rgba(230, 232, 238, .06);
  transform: translateY(-2px);
}

.page-news .tag {
  display: inline-block;
  font-size: .76rem;
  font-weight: 600;
  padding: .28rem .72rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  white-space: nowrap;
}

.page-news .tag--accent {
  background: rgba(242, 182, 50, .12);
  color: var(--news-accent);
  border-color: rgba(242, 182, 50, .35);
}

.page-news .tag--clay {
  background: rgba(232, 99, 74, .12);
  color: #F08A70;
  border-color: rgba(232, 99, 74, .35);
}

.page-news .tag--moss {
  background: rgba(95, 122, 97, .14);
  color: #8FAD91;
  border-color: rgba(95, 122, 97, .4);
}

.page-news .media-frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--news-elevated);
  border: 1px solid var(--news-border);
  line-height: 0;
}

.page-news .media-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ── 英雄区：框景结构 ── */
.page-news__hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 0;
  overflow: hidden;
}

.page-news__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0%, transparent 38%, rgba(242, 182, 50, .08) 49%, transparent 62%),
    linear-gradient(180deg, rgba(6, 17, 38, .0) 0%, rgba(6, 17, 38, .65) 100%);
  pointer-events: none;
}

.page-news__frame {
  position: relative;
  border: 1px solid rgba(230, 232, 238, .2);
  border-radius: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1.25rem, 4vw, 3rem);
  background:
    linear-gradient(135deg, rgba(14, 42, 94, .65), rgba(6, 17, 38, .75)),
    var(--news-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
}

.page-news__corner {
  position: absolute;
  width: 30px;
  height: 30px;
  pointer-events: none;
}

.page-news__corner--tl {
  top: 14px;
  left: 14px;
  border-top: 3px solid var(--news-accent);
  border-left: 3px solid var(--news-accent);
  border-top-left-radius: 8px;
}

.page-news__corner--tr {
  top: 14px;
  right: 14px;
  border-top: 3px solid var(--news-accent);
  border-right: 3px solid var(--news-accent);
  border-top-right-radius: 8px;
}

.page-news__corner--bl {
  bottom: 14px;
  left: 14px;
  border-bottom: 3px solid var(--news-accent);
  border-left: 3px solid var(--news-accent);
  border-bottom-left-radius: 8px;
}

.page-news__corner--br {
  bottom: 14px;
  right: 14px;
  border-bottom: 3px solid var(--news-accent);
  border-right: 3px solid var(--news-accent);
  border-bottom-right-radius: 8px;
}

.page-news__breadcrumb {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  font-size: .9rem;
  color: var(--text-muted);
}

.page-news__breadcrumb a {
  color: var(--news-accent);
  text-decoration: none;
}

.page-news__breadcrumb span[aria-current] {
  color: var(--news-silver);
}

.page-news__breadcrumb [aria-hidden] {
  margin-inline: .5rem;
  color: var(--news-slate);
}

.page-news__hero-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-news__hero-tag {
  margin-bottom: 1rem;
}

.page-news__hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.12;
  color: var(--news-silver);
  margin: 0 0 .9rem;
  text-transform: uppercase;
}

.page-news__hero-title::after {
  content: "";
  display: block;
  width: 84px;
  height: 4px;
  margin-top: .85rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--news-accent), var(--news-banner-blue), var(--news-banner-red));
}

.page-news__hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 54ch;
  line-height: 1.8;
  margin: 0 0 1.75rem;
}

.page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
}

.page-news__hero-media {
  box-shadow: 0 24px 64px rgba(0, 0, 0, .5);
  transform: rotate(-1.2deg) scale(.98);
  transition: transform .5s ease;
}

.page-news__hero-media:hover {
  transform: rotate(0deg) scale(1);
}

.page-news__hero-media img {
  aspect-ratio: 2 / 1;
}

/* ── 页内目录导航 ── */
.page-news__subnav {
  position: sticky;
  top: var(--header-height);
  z-index: 40;
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem max(1rem, calc((100vw - var(--container-width)) / 2));
  margin-top: 2rem;
  background: rgba(6, 17, 38, .88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--news-border);
  border-bottom: 1px solid var(--news-border);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news__subnav::-webkit-scrollbar {
  display: none;
}

.page-news__subnav .section-nav-title {
  font-family: var(--font-display);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--news-accent);
  white-space: nowrap;
  margin-right: .5rem;
}

.page-news__subnav button {
  border: none;
  background: transparent;
  color: var(--news-silver);
  font-size: .88rem;
  font-weight: 500;
  padding: .5rem .8rem;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .25s ease, color .25s ease;
}

.page-news__subnav button:hover,
.page-news__subnav button.is-active {
  background: rgba(242, 182, 50, .14);
  color: var(--news-accent);
}

/* ── 最新更新 Bento 网格 ── */
.page-news__latest {
  padding: var(--section-space) 0;
}

.page-news__bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.1rem;
}

.page-news__card {
  position: relative;
  grid-column: span 12;
  background: var(--news-glass);
  border: 1px solid var(--news-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  padding: 0;
}

.page-news__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(242, 182, 50, .4);
}

.page-news__card--feature {
  background: linear-gradient(135deg, rgba(242, 182, 50, .14) 0%, rgba(14, 42, 94, .85) 45%, rgba(6, 17, 38, .95) 100%);
}

.page-news__card--data {
  background: linear-gradient(120deg, rgba(58, 124, 165, .18), rgba(14, 42, 94, .6) 60%, rgba(6, 17, 38, .8));
}

.page-news__card-media {
  border-radius: 0;
  border: none;
}

.page-news__card-media img {
  aspect-ratio: 3 / 2;
}

.page-news__card-body {
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.page-news__card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: .7rem;
}

.page-news__card-time {
  font-size: .78rem;
  color: var(--text-muted);
}

.page-news__card h3 {
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  line-height: 1.4;
  color: var(--news-cream);
  margin: 0 0 .6rem;
  font-weight: 600;
}

.page-news__card p {
  font-size: .94rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}

/* ── 专栏分类 ── */
.page-news__topics {
  padding: var(--section-space) 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(10, 31, 68, .38) 20%, rgba(6, 17, 38, .6) 100%);
}

.page-news__tabs {
  margin-top: .5rem;
}

.page-news__tabs-list {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 1.75rem;
  position: relative;
}

.page-news__tab-trigger {
  position: relative;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  color: var(--news-silver);
  background: rgba(230, 232, 238, .06);
  border: 1px solid var(--news-border);
  padding: .55rem 1.1rem;
  cursor: pointer;
  transition: all .25s ease;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  border-radius: 4px;
}

.page-news__tab-trigger:hover {
  color: var(--news-accent);
  border-color: rgba(242, 182, 50, .4);
}

.page-news__tab-trigger--all {
  background: linear-gradient(90deg, rgba(242, 182, 50, .2), rgba(58, 124, 165, .2), rgba(232, 99, 74, .2));
}

.page-news__tab-trigger--report {
  background: rgba(242, 182, 50, .12);
}

.page-news__tab-trigger--version {
  background: rgba(108, 75, 142, .16);
}

.page-news__tab-trigger--venue {
  background: rgba(95, 122, 97, .14);
}

.page-news__tab-trigger--expert {
  background: rgba(58, 124, 165, .18);
}

.page-news__tab-trigger.is-active,
.page-news__tab-trigger[aria-selected="true"] {
  color: var(--news-primary);
  background: var(--news-accent);
  border-color: transparent;
  font-weight: 700;
}

.page-news__tab-panel {
  padding-top: .5rem;
}

.page-news__panel-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.page-news__panel-grid .page-news__panel-item {
  grid-column: span 12;
}

.page-news__panel-item {
  position: relative;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  background: rgba(230, 232, 238, .04);
  border: 1px solid var(--news-border);
  border-radius: var(--radius-md);
  border-left-width: 4px;
  border-left-color: var(--news-banner-blue);
  transition: transform .3s ease, background .3s ease;
}

.page-news__panel-item:hover {
  transform: translateX(6px);
  background: rgba(230, 232, 238, .07);
}

.page-news__panel-item:nth-child(2n) {
  border-left-color: var(--news-accent);
}

.page-news__panel-item:nth-child(3n) {
  border-left-color: var(--news-banner-red);
}

.page-news__panel-item h3 {
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--news-cream);
  margin: .5rem 0 .35rem;
  font-weight: 600;
}

.page-news__panel-item p {
  font-size: .9rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
}

.page-news__panel-round {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--news-accent);
  background: rgba(242, 182, 50, .1);
  border-radius: 999px;
  padding: .2rem .6rem;
}

.page-news__panel-list {
  display: grid;
  gap: .9rem;
}

.page-news__panel-media-row {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.page-news__panel-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news__panel-media img {
  width: 100%;
  height: auto;
}

.page-news__topics-footer {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

/* ── 热门文章 ── */
.page-news__hot {
  padding: var(--section-space) 0;
}

.page-news__hot-list {
  display: grid;
  gap: .7rem;
}

.page-news__hot-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  align-items: start;
  gap: .6rem;
  padding: .5rem 0;
}

.page-news__hot-rank {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--news-accent);
  text-stroke: 1px var(--news-accent);
  line-height: 1.1;
  padding-top: .3rem;
  text-align: right;
}

.page-news__hot-accordion {
  border-bottom: 1px solid var(--news-border);
  padding: .4rem 0 .5rem;
}

.page-news__hot-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .65rem;
  background: transparent;
  border: none;
  padding: .6rem 0;
  cursor: pointer;
  text-align: left;
  color: var(--news-cream);
}

.page-news__hot-title {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  font-weight: 600;
  line-height: 1.45;
  flex: 1 1 240px;
  transition: letter-spacing .3s ease, color .3s ease;
}

.page-news__hot-trigger:hover .page-news__hot-title {
  letter-spacing: .02em;
  color: var(--news-accent);
}

.page-news__hot-panel {
  padding: .2rem 0 .8rem;
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.7;
}

.page-news__hot-panel p {
  margin: 0;
}

.page-news__hot-footer {
  margin-top: 2rem;
}

/* ── 往期归档时间线 ── */
.page-news__archive {
  padding: var(--section-space) 0;
  background: linear-gradient(180deg, rgba(6, 17, 38, .4), rgba(10, 31, 68, .2));
}

.page-news__timeline {
  position: relative;
  padding-left: 1.4rem;
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: repeating-linear-gradient(180deg, rgba(230, 232, 238, .35) 0 6px, transparent 6px 14px);
}

.page-news__archive-item {
  position: relative;
  margin-bottom: 1.5rem;
}

.page-news__archive-item:last-child {
  margin-bottom: 0;
}

.page-news__archive-item .timeline-dot {
  position: absolute;
  left: -1.4rem;
  top: 1.2rem;
  width: 12px;
  height: 12px;
  margin-left: 0;
  background: var(--news-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(242, 182, 50, .18);
}

.page-news__archive-card {
  padding: clamp(1.1rem, 3vw, 1.5rem);
  background: rgba(230, 232, 238, .04);
  border: 1px solid var(--news-border);
  border-radius: var(--radius-md);
  transition: background .3s ease, border-color .3s ease;
}

.page-news__archive-card:hover {
  background: rgba(230, 232, 238, .07);
  border-color: rgba(242, 182, 50, .28);
}

.page-news__archive-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem;
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: .45rem;
}

.page-news__archive-card h3 {
  font-size: 1.08rem;
  color: var(--news-cream);
  margin: 0 0 .35rem;
  font-weight: 600;
}

.page-news__archive-card p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0;
}

/* ── 文末 CTA ── */
.page-news__cta {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  position: relative;
  overflow: hidden;
}

.page-news__cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(242, 182, 50, .12), rgba(58, 124, 165, .14), rgba(108, 75, 142, .18));
  clip-path: polygon(0 22%, 100% 0, 100% 82%, 0 100%);
  pointer-events: none;
}

.page-news__cta-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(242, 182, 50, .25);
  border-radius: var(--radius-lg);
  background: rgba(10, 31, 68, .45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.page-news__cta-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  color: var(--news-cream);
  margin: 0 0 .35rem;
}

.page-news__cta-copy p {
  color: var(--text-muted);
  margin: 0;
  font-size: .95rem;
}

.page-news__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

/* ── 平板 ── */
@media (min-width: 560px) {
  .page-news__hero-layout {
    grid-template-columns: 1fr 1.1fr;
  }

  .page-news__panel-grid .page-news__panel-item {
    grid-column: span 6;
  }

  .page-news__panel-media-row {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* ── 桌面 ── */
@media (min-width: 860px) {
  .page-news__bento .page-news__card--feature {
    grid-column: span 7;
  }

  .page-news__bento .page-news__card:nth-child(2) {
    grid-column: span 5;
  }

  .page-news__bento .page-news__card:nth-child(3) {
    grid-column: span 5;
  }

  .page-news__bento .page-news__card--data {
    grid-column: span 7;
  }

  .page-news__card--feature {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
  }

  .page-news__card--feature .page-news__card-media {
    height: 100%;
  }

  .page-news__card--feature .page-news__card-media img {
    height: 100%;
    object-fit: cover;
    aspect-ratio: auto;
  }

  .page-news__panel-grid .page-news__panel-item {
    grid-column: span 4;
  }

  .page-news__panel-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__panel-media-row {
    grid-template-columns: 1fr 300px;
    align-items: center;
  }

  .page-news__panel-media-row .page-news__panel-list {
    grid-template-columns: 1fr;
  }

  .page-news__hot-item {
    grid-template-columns: 4.5rem 1fr;
  }

  .page-news__hot-rank {
    font-size: 2.5rem;
  }
}

/* ── 宽桌面 ── */
@media (min-width: 1180px) {
  .page-news__hero {
    padding-top: clamp(3rem, 6vw, 5rem);
  }

  .page-news__frame {
    padding: clamp(2rem, 4vw, 3.5rem);
  }

  .page-news__bento {
    gap: 1.35rem;
  }

  .page-news__timeline {
    margin-left: 2rem;
  }
}