/* ===== 服务故事 · 页面专属样式（作用域 .page-news） ===== */
.page-news {
  --news-rail: 236px;
  --news-rule: var(--line);
  --news-rule-soft: var(--line-soft);
  --news-num: var(--font-mono);
  color: var(--c-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news img {
  display: block;
  max-width: 100%;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(24px, 3.6vw, 46px);
  padding-bottom: clamp(46px, 8vw, 104px);
  background: linear-gradient(168deg, var(--c-blue-dark) 0%, var(--c-blue-deep) 46%, var(--c-blue) 100%);
  color: #fff;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .075) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .075) 0 1px, transparent 1px 92px);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  height: clamp(26px, 5vw, 62px);
  background: var(--c-paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-news .news-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 36px);
  padding: 0;
  list-style: none;
  font-size: var(--fs-note);
  letter-spacing: .04em;
}

.page-news .news-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, .45);
}

.page-news .news-hero .breadcrumb a {
  color: rgba(255, 255, 255, .72);
  text-decoration: none;
}

.page-news .news-hero .breadcrumb a:hover {
  color: var(--c-orange-soft);
}

.page-news .news-hero .breadcrumb li[aria-current="page"] {
  color: rgba(255, 255, 255, .95);
}

.page-news .news-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-news .hero-kicker {
  display: inline-block;
  margin: 0 0 clamp(16px, 2vw, 24px);
  padding: 4px 12px;
  background: var(--c-orange);
  color: var(--c-ink);
  font-family: var(--news-num);
  font-size: var(--fs-tag);
  font-weight: 700;
  letter-spacing: .16em;
}

.page-news .news-hero-title {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 5.6vw, 68px);
  line-height: 1.08;
  letter-spacing: -.03em;
  color: #fff;
}

.page-news .news-hero-title em {
  font-style: normal;
  display: inline-block;
  position: relative;
  color: var(--c-orange-soft);
}

.page-news .news-hero-title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -.06em;
  height: 3px;
  background: var(--c-orange);
}

.page-news .news-hero-lede {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-lead);
  line-height: 1.8;
  color: rgba(255, 255, 255, .86);
}

.page-news .news-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: rgba(199, 208, 217, .3);
  border: 1px solid rgba(199, 208, 217, .3);
}

.page-news .hero-stat {
  background: rgba(0, 42, 87, .82);
  padding: 16px 18px 18px;
}

.page-news .hero-stat dt {
  font-size: var(--fs-tag);
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .66);
}

.page-news .hero-stat dd {
  margin: 8px 0 0;
  font-family: var(--news-num);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1;
  color: #fff;
  letter-spacing: -.02em;
}

.page-news .hero-stat .unit {
  font-size: .5em;
  color: var(--c-orange);
  margin-left: 2px;
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: end;
  }

  .page-news .news-hero-stats {
    grid-template-columns: 1fr;
  }
}

/* ---------- 主体双栏 ---------- */
.page-news .news-body {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
  padding-top: clamp(28px, 4vw, 60px);
  padding-bottom: clamp(52px, 7vw, 104px);
}

.page-news .news-flow {
  min-width: 0;
}

/* ---------- 左侧栏目索引 ---------- */
.page-news .rail-nav {
  border-top: 2px solid var(--c-ink);
  padding-top: 14px;
}

.page-news .rail-title {
  margin: 0 0 12px;
  font-family: var(--news-num);
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--c-graphite);
}

.page-news .rail-nav ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .rail-nav ol::-webkit-scrollbar {
  display: none;
}

.page-news .rail-nav a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--news-rule);
  background: #fff;
  color: var(--c-graphite);
  font-size: var(--fs-note);
  text-decoration: none;
  transition: background .22s ease, color .22s ease, border-color .22s ease;
}

.page-news .rail-nav a:hover,
.page-news .rail-nav a[aria-current] {
  background: var(--c-ink);
  border-color: var(--c-ink);
  color: #fff;
}

/* 侧栏延伸入口 */
.page-news .rail-side {
  margin-top: clamp(22px, 3vw, 34px);
  padding: 20px;
  background: var(--c-mist);
  border-left: 3px solid var(--c-orange);
}

.page-news .rail-side-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: var(--c-blue-deep);
}

.page-news .rail-side-body {
  margin: 0 0 16px;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-news .rail-side .btn {
  width: 100%;
  text-align: center;
}

@media (min-width: 960px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }

  .page-news .rail-nav ol {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .rail-nav a {
    position: relative;
    white-space: normal;
    border: 0;
    border-bottom: 1px solid var(--news-rule-soft);
    background: transparent;
    padding: 12px 8px 12px 18px;
    color: var(--c-graphite);
  }

  .page-news .rail-nav a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 7px;
    height: 1px;
    background: var(--c-silver);
    transform: translateY(-50%);
    transition: width .25s ease, background .25s ease;
  }

  .page-news .rail-nav a:hover,
  .page-news .rail-nav a[aria-current] {
    background: var(--c-mist);
    color: var(--c-ink);
  }

  .page-news .rail-nav a:hover::before,
  .page-news .rail-nav a[aria-current]::before {
    width: 13px;
    background: var(--c-orange);
  }
}

/* ---------- 区块公共 ---------- */
.page-news .news-section {
  padding-bottom: clamp(42px, 5.4vw, 76px);
}

.page-news .news-section:last-of-type {
  padding-bottom: 0;
}

.page-news .head-index {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--news-num);
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--c-graphite);
}

.page-news .head-index::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--news-rule);
}

.page-news .head-index-num {
  color: var(--c-orange);
  font-weight: 800;
}

.page-news .news-section .section-title {
  margin: 0 0 clamp(12px, 1.6vw, 18px);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.18;
  letter-spacing: -.028em;
  color: var(--c-ink);
}

.page-news .news-section .lede {
  margin: 0;
  max-width: 62ch;
}

/* ---------- 专题头条 ---------- */
.page-news .feature-card {
  display: grid;
  margin-top: clamp(18px, 2.6vw, 32px);
  background: #fff;
  border: 1px solid var(--news-rule);
}

.page-news .feature-media {
  margin: 0;
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--c-mist);
}

.page-news .feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .feature-body {
  padding: clamp(22px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.6vw, 18px);
}

.page-news .feature-kicker {
  margin: 0;
  font-family: var(--news-num);
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--c-blue);
}

.page-news .feature-text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-graphite);
  max-width: 66ch;
}

.page-news .feature-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--news-rule-soft);
  padding-top: clamp(14px, 1.8vw, 20px);
}

.page-news .feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--c-ink);
}

.page-news .point-mark {
  flex: none;
  width: 12px;
  height: 2px;
  margin-top: .72em;
  background: var(--c-orange);
}

.page-news .feature-body .btn-row {
  margin-top: auto;
  padding-top: clamp(6px, 1vw, 12px);
}

@media (min-width: 820px) {
  .page-news .feature-card {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: stretch;
  }

  .page-news .feature-media {
    aspect-ratio: auto;
    height: 100%;
    min-height: 340px;
  }
}

/* ---------- 标签看板 ---------- */
.page-news .tag-board {
  display: grid;
  gap: 1px;
  margin-top: clamp(18px, 2.6vw, 30px);
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
}

.page-news .tag-cat {
  position: relative;
  background: var(--c-paper);
  padding: clamp(20px, 2.6vw, 30px);
  transition: background .28s ease;
}

.page-news .tag-cat:hover {
  background: #fff;
}

.page-news .tag-cat-num {
  position: absolute;
  top: clamp(16px, 2vw, 22px);
  right: clamp(18px, 2.4vw, 28px);
  font-family: var(--news-num);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1;
  color: var(--c-silver);
  letter-spacing: -.02em;
}

.page-news .tag-cat-name {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-title);
  letter-spacing: -.02em;
  color: var(--c-ink);
}

.page-news .tag-cat-desc {
  margin: 0 0 16px;
  max-width: 34ch;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-news .tag-cat .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .tag-cat .tag {
  padding: 5px 11px;
  border: 1px solid var(--c-blue);
  background: #fff;
  color: var(--c-blue-deep);
  font-size: var(--fs-tag);
  letter-spacing: .04em;
  transition: background .2s ease, color .2s ease;
}

.page-news .tag-cat .tag:hover {
  background: var(--c-blue);
  color: #fff;
}

@media (min-width: 760px) {
  .page-news .tag-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .tag-cat:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1080px) {
  .page-news .tag-board {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .tag-cat:first-child {
    grid-column: span 3;
  }

  .page-news .tag-cat:nth-child(2) {
    grid-column: span 3;
  }

  .page-news .tag-cat:nth-child(3),
  .page-news .tag-cat:nth-child(4),
  .page-news .tag-cat:nth-child(5) {
    grid-column: span 2;
  }
}

/* ---------- 筛选胶囊 ---------- */
.page-news .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(16px, 2.2vw, 26px);
}

.page-news .filter-row .chip {
  padding: 8px 16px;
  border: 1px solid var(--news-rule);
  background: #fff;
  color: var(--c-graphite);
  font-family: var(--font-body);
  font-size: var(--fs-note);
  cursor: pointer;
  transition: background .22s ease, color .22s ease, border-color .22s ease;
}

.page-news .filter-row .chip:hover {
  border-color: var(--c-blue);
  color: var(--c-blue-deep);
}

.page-news .filter-row .chip[aria-pressed="true"] {
  background: var(--c-blue);
  border-color: var(--c-blue);
  color: #fff;
}

/* ---------- 案例流 ---------- */
.page-news .case-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(16px, 2.2vw, 26px);
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
}

.page-news .case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--c-paper);
  padding: clamp(20px, 2.6vw, 32px);
  transition: background .28s ease;
}

.page-news .case-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--c-orange);
  transition: width .38s cubic-bezier(.2, .7, .3, 1);
}

.page-news .case-card:hover {
  background: #fff;
}

.page-news .case-card:hover::before {
  width: 64px;
}

.page-news .case-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-news .case-index {
  font-family: var(--news-num);
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--c-silver);
}

.page-news .case-tag {
  margin-left: auto;
  padding: 3px 10px;
  background: var(--c-mist);
  color: var(--c-blue-deep);
  font-size: var(--fs-tag);
  letter-spacing: .06em;
}

.page-news .case-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 1.9vw, 24px);
  line-height: 1.35;
  letter-spacing: -.02em;
  color: var(--c-ink);
}

.page-news .case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 0;
  padding: 10px 0;
  border-top: 1px solid var(--news-rule-soft);
  border-bottom: 1px solid var(--news-rule-soft);
}

.page-news .case-meta > div {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-news .case-meta dt {
  font-size: var(--fs-tag);
  letter-spacing: .08em;
  color: var(--c-graphite);
}

.page-news .case-meta dd {
  margin: 0;
  font-family: var(--news-num);
  font-size: var(--fs-note);
  font-weight: 600;
  color: var(--c-ink);
}

.page-news .case-body {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.8;
  color: var(--c-graphite);
}

.page-news .case-foot {
  margin: auto 0 0;
  padding-top: 10px;
  font-size: var(--fs-tag);
  letter-spacing: .04em;
  color: var(--c-graphite);
  border-top: 1px dashed var(--news-rule);
}

@media (min-width: 760px) {
  .page-news .case-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .case-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

/* ---------- 大字引用分隔 ---------- */
.page-news .story-pull {
  margin: 0 0 clamp(42px, 5.4vw, 76px);
  padding: clamp(26px, 4vw, 54px) 0 clamp(26px, 4vw, 54px) clamp(20px, 3vw, 40px);
  border-left: 5px solid var(--c-orange);
  background: linear-gradient(90deg, var(--c-mist) 0%, rgba(228, 237, 245, 0) 92%);
}

.page-news .story-pull p {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 44px);
  line-height: 1.24;
  letter-spacing: -.03em;
  color: var(--c-blue-dark);
  max-width: 22ch;
}

/* ---------- 知识短文 ---------- */
.page-news .brief-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(16px, 2.2vw, 26px);
}

.page-news .brief-figure {
  margin: 0;
  border: 1px solid var(--news-rule);
  background: #fff;
}

.page-news .brief-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .brief-figure .media-cap {
  padding: 12px 14px;
  border-top: 1px solid var(--news-rule-soft);
  font-size: var(--fs-tag);
  line-height: 1.6;
  color: var(--c-graphite);
}

.page-news .brief-list {
  display: grid;
  gap: 1px;
  background: var(--news-rule);
  border: 1px solid var(--news-rule);
  align-content: start;
}

.page-news .brief-item {
  position: relative;
  background: #fff;
  padding: clamp(20px, 2.6vw, 30px);
  padding-left: clamp(56px, 5vw, 76px);
}

.page-news .brief-index {
  position: absolute;
  left: clamp(18px, 2vw, 26px);
  top: clamp(20px, 2.6vw, 30px);
  font-family: var(--news-num);
  font-weight: 700;
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1;
  color: var(--c-orange);
}

.page-news .brief-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.4;
  letter-spacing: -.015em;
  color: var(--c-ink);
}

.page-news .brief-body {
  margin: 0 0 12px;
  font-size: var(--fs-note);
  line-height: 1.8;
  color: var(--c-graphite);
  max-width: 68ch;
}

.page-news .brief-action {
  margin: 0;
  padding: 10px 14px;
  background: var(--c-mist);
  border-left: 3px solid var(--c-blue);
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--c-blue-dark);
}

@media (min-width: 900px) {
  .page-news .brief-layout {
    grid-template-columns: minmax(0, .34fr) minmax(0, .66fr);
  }
}

/* ---------- 更新与投稿 ---------- */
.page-news .submit-panel {
  display: grid;
  gap: clamp(24px, 3.2vw, 44px);
  margin-top: clamp(16px, 2.2vw, 26px);
  padding: clamp(24px, 3.4vw, 46px);
  background: var(--c-blue-dark);
  color: #fff;
  border: 1px solid var(--c-blue-dark);
}

.page-news .submit-lede {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: rgba(255, 255, 255, .88);
  max-width: 60ch;
}

.page-news .submit-label {
  margin: 0 0 14px;
  font-family: var(--news-num);
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--c-orange-soft);
}

.page-news .submit-list {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: rgba(199, 208, 217, .22);
  border-top: 1px solid rgba(199, 208, 217, .22);
  border-bottom: 1px solid rgba(199, 208, 217, .22);
}

.page-news .submit-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  background: var(--c-blue-dark);
  padding: 12px 4px;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: rgba(255, 255, 255, .86);
}

.page-news .submit-num {
  flex: none;
  font-family: var(--news-num);
  font-weight: 600;
  font-size: var(--fs-tag);
  letter-spacing: .08em;
  color: var(--c-orange);
}

.page-news .submit-note {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  font-size: var(--fs-note);
  line-height: 1.8;
  color: rgba(255, 255, 255, .74);
}

.page-news .submit-note a {
  color: var(--c-orange-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .submit-note a:hover {
  color: #fff;
}

.page-news .submit-figure {
  margin: 0;
  border: 1px solid rgba(199, 208, 217, .28);
  overflow: hidden;
}

.page-news .submit-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

@media (min-width: 860px) {
  .page-news .submit-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 480px) {
  .page-news .case-meta {
    gap: 4px 16px;
  }

  .page-news .story-pull {
    padding-left: 16px;
  }

  .page-news .brief-item {
    padding-left: clamp(48px, 14vw, 64px);
  }

  .page-news .brief-index {
    left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .case-card,
  .page-news .case-card::before,
  .page-news .filter-row .chip,
  .page-news .rail-nav a,
  .page-news .rail-nav a::before {
    transition: none;
  }
}