/* ===================================================================
   品牌专栏 /column/  ·  页面作用域 .page-news
   =================================================================== */

.page-news {
  --col-radius: 24px;
  --col-hair: 1px solid var(--ink-700);
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-news [id] {
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-news .breadcrumb {
  margin-top: clamp(10px, 2vw, 22px);
  margin-bottom: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-news .col-hero {
  padding-top: 0;
}

.page-news .col-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  align-items: center;
}

.page-news .col-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
}

.page-news .col-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(46, 242, 200, .16);
  animation: col-pulse 2.4s var(--ease) infinite;
}

@keyframes col-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.page-news .col-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-news .col-hero .section-lead {
  max-width: 54ch;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .col-hero-media {
  position: relative;
  margin: 0;
  border-radius: var(--col-radius);
  border: var(--col-hair);
}

.page-news .col-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(46, 242, 200, .14), rgba(5, 15, 13, 0) 52%, rgba(108, 75, 214, .22));
  pointer-events: none;
}

@media (min-width: 900px) {
  .page-news .col-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-news .col-hero-media {
    transform: translateY(-10px) rotate(-1.2deg);
  }
}

/* ---------- 栏目目录 ---------- */
.page-news .col-index-panel {
  padding: clamp(20px, 3vw, 38px);
}

.page-news .col-index-panel .section-head {
  margin-bottom: clamp(14px, 2vw, 22px);
}

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

.page-news .col-index-item + .col-index-item {
  border-top: var(--col-hair);
}

.page-news .col-index-link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: clamp(12px, 2.2vw, 22px);
  align-items: start;
  padding: clamp(14px, 2vw, 18px) clamp(8px, 1.4vw, 14px);
  border-radius: var(--radius-md);
  color: inherit;
  text-decoration: none;
  transition: background-color .22s var(--ease), transform .22s var(--ease);
}

.page-news .col-index-link:hover,
.page-news .col-index-link:focus-visible {
  background: rgba(46, 242, 200, .07);
  transform: translateX(4px);
}

.page-news .col-index-link .tag {
  grid-column: 2;
  justify-self: start;
}

.page-news .col-num {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--amber);
}

.page-news .col-index-main {
  display: block;
  min-width: 0;
}

.page-news .col-index-title {
  display: block;
  margin-bottom: 5px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .col-index-desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

@media (min-width: 760px) {
  .page-news .col-index-link {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-news .col-index-link .tag {
    grid-column: 3;
  }
}

/* ---------- 本期重点 ---------- */
.page-news .col-feature-section {
  padding-top: 0;
}

.page-news .col-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
}

.page-news .col-feature {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  padding: clamp(20px, 3vw, 34px);
  border: var(--col-hair);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(12, 31, 27, .96), rgba(5, 15, 13, .96));
  box-shadow: var(--shadow);
  transition: transform .26s var(--ease), border-color .26s var(--ease);
}

.page-news .col-feature:hover {
  transform: translateY(-4px);
  border-color: rgba(46, 242, 200, .34);
}

.page-news .col-feature::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 132px;
  height: 132px;
  background: var(--col-stripe, var(--cyan));
  opacity: .18;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}

.page-news .col-feature--version { --col-stripe: var(--amber); }
.page-news .col-feature--observe { --col-stripe: var(--orange); }

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

.page-news .col-read {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--sage);
}

.page-news .col-feature-title {
  position: relative;
  margin: 0;
  font-size: clamp(20px, 3.4vw, 25px);
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-news .col-feature-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--sage);
}

.page-news .col-feature-tail {
  margin: 0;
  padding-top: 12px;
  border-top: var(--col-hair);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  opacity: .8;
}

@media (min-width: 860px) {
  .page-news .col-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 条目流分区 ---------- */
.page-news .col-stream-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
  padding-bottom: clamp(14px, 2vw, 20px);
  border-bottom: 2px solid var(--ink-700);
}

.page-news .col-stream-head .section-title {
  margin-top: 6px;
}

.page-news .col-stream-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

@media (min-width: 860px) {
  .page-news .col-stream-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(20px, 3vw, 40px);
  }
  .page-news .col-stream-note {
    text-align: right;
  }
}

.page-news .col-stream-media {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-lg);
  border: var(--col-hair);
}

/* ---------- 条目 ---------- */
.page-news .col-stream {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .col-entry {
  position: relative;
  padding: clamp(16px, 2.2vw, 22px) 0 clamp(16px, 2.2vw, 22px) clamp(16px, 2.4vw, 24px);
  border-top: var(--col-hair);
}

.page-news .col-entry + .col-entry {
  margin-top: 0;
}

.page-news .col-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(16px, 2.2vw, 22px);
  bottom: clamp(16px, 2.2vw, 22px);
  width: 4px;
  border-radius: var(--pill);
  background: var(--col-bar, var(--cyan));
  transition: width .22s var(--ease);
}

.page-news .col-entry:hover::before,
.page-news .col-entry:focus-within::before {
  width: 9px;
}

.page-news .col-entry--version { --col-bar: var(--amber); }
.page-news .col-entry--observe { --col-bar: var(--orange); }
.page-news .col-entry--cross   { --col-bar: var(--indigo); }

.page-news .col-entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.page-news .col-entry-time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--sage);
}

.page-news .col-entry-title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .col-entry-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sage);
}

.page-news .col-entry-more {
  max-height: 0;
  overflow: hidden;
  margin: 0;
  opacity: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  transition: max-height .3s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
}

.page-news .col-entry:hover .col-entry-more,
.page-news .col-entry:focus-within .col-entry-more {
  max-height: 7em;
  margin-top: 9px;
  opacity: .82;
}

@media (hover: none) {
  .page-news .col-entry-more {
    max-height: none;
    margin-top: 9px;
    opacity: .82;
  }
}

/* ---------- 区域服务手记 ---------- */
.page-news .col-region-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 40px);
  align-items: start;
}

.page-news .col-region-media {
  margin: 0;
  border-radius: var(--radius-lg);
  border: var(--col-hair);
}

.page-news .col-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-news .col-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: var(--pill);
  background: linear-gradient(180deg, var(--amber), rgba(255, 209, 102, .1));
}

.page-news .col-timeline-item {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 28px);
}

.page-news .col-timeline-item:last-child {
  padding-bottom: 0;
}

.page-news .col-timeline-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--amber);
}

.page-news .col-timeline-time {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-news .col-timeline-title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .col-timeline-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sage);
}

@media (min-width: 900px) {
  .page-news .col-region-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 更新节奏与反馈 ---------- */
.page-news .col-feedback {
  padding: clamp(22px, 3.4vw, 40px);
}

.page-news .col-feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-news .col-feedback-grid .section-lead {
  margin-bottom: 0;
}

.page-news .col-feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--col-hair);
}

.page-news .col-feedback-item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: var(--col-hair);
}

.page-news .col-feedback-label {
  font-size: 12.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .col-feedback-value {
  font-size: 15px;
  line-height: 1.5;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--mist);
  word-break: break-word;
}

.page-news .col-feedback-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--sage);
}

.page-news .col-feedback-cta {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: var(--col-hair);
}

@media (min-width: 900px) {
  .page-news .col-feedback-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

/* ---------- 图片兜底 ---------- */
.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .col-dot {
    animation: none;
  }
  .page-news .col-feature,
  .page-news .col-index-link,
  .page-news .col-entry::before,
  .page-news .col-entry-more {
    transition: none;
  }
}
</main>