/* ========================================================
   HEIE 首页独有样式
   ======================================================== */
/* HERO */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background: var(--c-bg-2);
  overflow: hidden;
  padding-bottom: 130px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg video {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-tint {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8,30,54,0.9) 0%, rgba(8,30,54,0.45) 30%, rgba(8,30,54,0.05) 100%),
    linear-gradient(90deg, #081e36 0%, transparent 95%);
}
.hero-content {
  position: relative;
  z-index: 10;
  padding-top: 220px;
  padding-bottom: 80px;
}
.hero-eyebrow-cn {
  font-family: var(--font-cn);
  font-size: 28px;
  font-weight: 500;
  color: #fff;
  letter-spacing: .02em;
  margin-bottom: 4px;
}
.hero-eyebrow-en {
  font-family: var(--font-en);
  font-size: 34px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .04em;
  margin-bottom: 12px;
}
.hero-rule {
  display: block;
  width: 520px; max-width: 90%;
  height: 2px;
  background: rgba(255,255,255,.6);
  margin-bottom: 22px;
}
.hero-title {
  font-family: var(--font-cn);
  font-size: 68px;
  font-weight: 900;
  color: #fff;
  letter-spacing: .01em;
  line-height: 1.1;
  /* margin-bottom: 14px; */
  text-shadow: 0 2px 16px rgba(0,0,0,.3);
}
.hero-subtitle {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 35px;
  letter-spacing: .01em;
}
.hero-date {
  display: inline-block;
  background-color: var(--c-green);
  border-radius: 50px;
  padding: 20p;
  /* background: #71be6e; */
  /* backdrop-filter: blur(2px); */
  padding: 25px 35px 8px 35px;
}
.hd-row {line-height: 0;margin-bottom: 8px;}
.hd-date {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .02em;
}
.hd-date sup{
  writing-mode: vertical-rl;
  display: inline-block;
  vertical-align: baseline;
  font-size: 8px;
}
.hd-loc {
  font-family: var(--font-cn);
  font-size: 22px;
  color: #fff;
  letter-spacing: .2em;
}

/* 服务卡片 */
.service-cards {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8%;
  z-index: 20;
}
.sc-container {
  background: rgba(255,255,255,.2);
  border-radius: 15px;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
}
.sc-card {
  position: relative;
  display: block;
  padding: 15px 25px 20px;
  border-radius: 10px;
  color: #fff;
  transition: opacity .45s ease;
  min-height: 140px;
  overflow: hidden;
  isolation: isolate;
}
/* 统一三张卡片默认样式 = 观众服务样式 */
.sc-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: opacity .45s ease;
  z-index: 0;
}

.sc-tint {
  position: absolute;
  inset: 0;
  z-index: 1;
  transition: opacity .35s ease;
  display: none;
  
}
.sc-card-1{
  background:url(/public/bj/images/card-01.png) no-repeat;
  background-size: cover;
}
.sc-card-2{
  background:url(/public/bj/images/card-02.png) no-repeat;
  background-size: cover;
}
.sc-card-3{
  background:url(/public/bj/images/card-03.png) no-repeat;
  background-size: cover;
}
.sc-card-1 .sc-tint,
.sc-card-2 .sc-tint,
.sc-card-3 .sc-tint {
  background: linear-gradient(135deg, rgba(58, 189, 232,.76), rgba(58, 189, 232,.55));
}
.sc-card:hover .sc-tint { display: block; }

.sc-content {
  position: relative;
  z-index: 2;
  transition: opacity .2s ease;
  cursor: pointer;
}
.sc-card:hover .sc-content { opacity:1; }

/* 禁止 hover 放大 */
.sc-card:hover {
  transform: none !important;
  box-shadow: none !important;
}
.sc-card:hover .sc-arrow { transform: translate(3px, -3px); }

.sc-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}
.sc-title strong {
  font-family: var(--font-cn);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .03em;
}
.sc-title span {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  opacity: .9;
  margin-left: 5px;
}
.sc-arrow {
  font-size: 28px;
  font-weight: 300;
  line-height: 1;
  transition: transform .25s;
  color: #71be6e;
}
.sc-card:hover .sc-arrow { color: #fff; }
.sc-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 18px;
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 500;
}
.sc-links-2col { grid-template-columns: 1fr 1fr; }
.sc-links li {
  letter-spacing: .04em;
  color: rgba(255,255,255,.95);
}


/* 章节标题装饰 */
.section-deco {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  text-align: center;
  margin-bottom: 18px;
  font-weight: 500;
}
.sd-line {
  flex: 1;
  max-width: 360px;
  height: 1px;
  background: var(--c-green);
}
.sd-text {
  font-family: var(--font-cn);
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  line-height: 1.2;
}
.sd-text b {
  font-family: var(--font-en);
  font-weight: 700;
  color: #fff;
}
.sd-text i {
  font-family: var(--font-en);
  font-weight: 600;
  font-style: normal;
  font-size: .72em;
  color: var(--c-green);
}
/*.cd-h {color: var(--c-green);}*/


/* 新闻板块 */
.news-section {
  padding: 100px 0 80px;
  background: var(--c-bg);
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}
.section-title-news {
  margin-bottom: 30px;
}
.section-title-news .st-cn {
  display: block;
  font-family: var(--font-cn);
  font-size: 44px;
  font-weight: 800;
  color: var(--c-green);
  letter-spacing: .02em;
  line-height: 1;
}
.section-title-news .st-en {
  display: block;
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  margin-top: 6px;
}
.news-sub-title {
  font-family: var(--font-cn);
  font-size: 24px;
  font-weight: 600;
  color: var(--c-green);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--c-line);
}
.news-item {
  display: block;
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--c-line);
  transition: padding-left 0.2s ease;
  cursor: pointer;
}
.news-item:hover {
  border-bottom: 4px solid var(--c-line);
}
.ni-title {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
  transition: color .2s;
}
.news-item:hover .ni-title { color: var(--c-green); }
.ni-body {
  font-family: var(--font-cn);
  /* font-size: 13px; */
  font-weight: 400;
  color: rgba(255,255,255,.65);
  line-height: 1.75;
  letter-spacing: .02em;
  transition: color 0.2s ease;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;  /* 控制行数 */
  overflow: hidden;
  /* 以下两项为辅助优化，非必须但推荐 */
  word-break: break-word; /* 防止长单词/URL撑破布局 */
  max-height: 100%;
}
.news-item:hover .ni-body { color: rgba(255,255,255,.85); }
.news-cta {
  margin-top: 26px;
  padding: 11px 26px;
  font-family: var(--font-en);
  font-weight: 700;
}
.news-col-right .section-title-news { margin-bottom: 18px; }
.news-col-right .section-title-news .st-cn {font-size: 30px;}
.news-feature {
  display: block;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--c-line);
}
.nf-title {
  font-family: var(--font-cn);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--c-line);
  line-height: 1.4;
}
.nf-title-2 {
  color: var(--c-green);
  border-bottom: none;
  padding-bottom: 0;
  margin-top: 40px;
  margin-bottom: 14px;
}
.nf-media {
  display: block;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 18px;
}
.nf-media img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform .5s;
}
.nf-media:hover img { transform: scale(1.04); }
.nf-body {
  font-family: var(--font-cn);
  /* font-size: 13px; */
  color: rgba(255,255,255,.7);
  line-height: 1.85;
  letter-spacing: .02em;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;  /* 控制行数 */
  overflow: hidden;
  /* 以下两项为辅助优化，非必须但推荐 */
  word-break: break-word; /* 防止长单词/URL撑破布局 */
  max-height: 100%;
}

/* 展商走马灯 */
.exhibitors-section {
  padding: 60px 0 80px;
  position: relative;
}
.exhibitors-section::before,
.exhibitors-section::after {
  content: '';
  position: absolute;
  top: 110px;
  bottom: 60px;
  width: 90px;
  z-index: 20;
  pointer-events: none;
}
.exhibitors-section::before {
  left: 0;
  background: linear-gradient(90deg, var(--c-bg) 0%, transparent 100%);
}
.exhibitors-section::after {
  right: 0;
  background: linear-gradient(-90deg, var(--c-bg) 0%, transparent 100%);
}
.logo-marquee {
  overflow: visible;
  margin-bottom: 5px;
}
.lm-track {
  display: inline-flex;
  gap: 5px;
  animation: marquee 60s linear infinite;
  will-change: transform;
}
.lm-track-rev { animation-direction: reverse; animation-duration: 70s; }
.logo-marquee:hover .lm-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.lm-tile {
  flex: 0 0 120px;
  width: 120px;
  height: 120px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  position: relative;
  transform-origin: center center;
  z-index: 1;
  cursor: pointer;
  border-radius: 8px;
  will-change: transform;
  transition: transform .3s ease, box-shadow .3s ease;
}
.lm-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.1);
  z-index: 2;
  transition: opacity 0.3s ease;
  border-radius: 8px;
  pointer-events: none;
}
.lm-tile:hover {
  transform: scale(1.09);
  z-index: 9999;
  box-shadow: 0 8px 20px rgba(0,0,0,.4), 0 0 0 1px rgba(113,190,110,.5);
}
.lm-tile:hover::after { opacity: 0; }

/* 倒计时 */
.countdown-section {
  padding: 70px 0 80px;
  text-align: center;
  background: radial-gradient(circle at center, #284370 0%, #284370 0%, #081e36 30%, #081e36 100%);
}
.cd-date {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 56px;
  letter-spacing: .03em;
}
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 920px;
  margin: 0 auto 48px;
}
.cd-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.cd-num {
  font-family: var(--font-en);
  font-size: 88px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  display: inline-block;
}
.cd-digit {
  display: inline-block;
  will-change: filter, opacity;
}
.cd-digit.cd-out {
  animation: cdBlurOut .42s cubic-bezier(.55, .05, .85, .35) forwards;
}
@keyframes cdBlurOut {
  0%   { filter: blur(0);    opacity: 1;   }
  55%  { filter: blur(10px); opacity: 0.55;}
  100% { filter: blur(22px); opacity: 0;   }
}
.cd-label {
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  letter-spacing: .03em;
}
.cd-label b {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 700;
  margin-right: 4px;
}
.cd-cta-wrap { margin-top: 4px; }
.cd-cta { padding: 11px 30px; font-size: 15px; }

/* 媒体合作 */
.media-section {
  padding: 60px 0 70px;
}
.media-section .sd-text { font-size: 26px; line-height: 1.25; }
.media-section .sd-text b {font-size: 36px;font-family: var(--font-cn);font-weight: 700;color: #fff;}
.media-section .sd-text i {font-size: 22px;}
.media-grid-wrap {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}
.media-more {
  position: absolute;
  top: -32px;
  right: 0;
  font-size: 13px;
  color: #fff;
  font-family: var(--font-cn);
  transition: color .2s;
}
.media-more:hover { color: var(--c-green); }
.media-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.media-tile {
  background: #fff;
  border-radius: 4px;
  aspect-ratio: 2/1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  cursor: pointer;
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
}
.media-tile img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.media-tile:hover,
.media-tile.is-active {
  transform: translate(3px, -3px);
  box-shadow: -8px 8px 0 var(--c-green);
}

/* 响应式（首页独有） */
@media (max-width: 1200px) {
  .hero-title { font-size: 50px; }
  .section-title-news .st-cn { font-size: 36px; }
  .cd-num { font-size: 64px; }
  .sd-text { font-size: 24px; }
  .media-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1024px) {
  .hero { padding-bottom: 220px; }
  .hero-content { padding-top: 160px; }
  .hero-title { font-size: 42px; }
  .hero-eyebrow-en { font-size: 22px; }
  .hero-subtitle { font-size: 17px; }
  .sc-container { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; gap: 60px; }
  .countdown { max-width: 100%; }
  .cd-num { font-size: 48px; }
  .media-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .hero { padding-bottom: 360px; }
  .hero-eyebrow-cn { font-size: 14px; }
  .hero-eyebrow-en { font-size: 17px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 13px; }
  .hd-date { font-size: 22px; }
  .hd-loc { font-size: 13px; }
  .hero-rule { width: 220px; }
  .sd-text { font-size: 18px; }
  .section-title-news .st-cn { font-size: 28px; }
  .section-title-news .st-en { font-size: 17px; }
  .cd-num { font-size: 36px; }
  .cd-label b { font-size: 13px; }
  .cd-label { font-size: 12px; }
  .cd-date { font-size: 18px; }
  .lm-tile { width: 100px; height: 100px; }
  .media-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}