/* ==========================================================
   展会专题页
   标题条 → 左侧图片轮播 + 右侧展会新闻 → 下方介绍/规模 + 信息/组织/联系
   ========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --ink: #0A1A2B;
  --ink-2: #3E5266;
  --ink-3: #7A8B9C;
  --paper: #F4F7FA;
  --card: #FFFFFF;
  --line: #DCE4EB;
  --line-2: #C2CFDA;
  --brand: #0B5CAB;
  --brand-dk: #084A8A;
  --accent: #00A6B8;
  --hero-ink: #061A2E;
  --sans: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, ui-monospace, monospace;
  --wrap: 100%;
  --gutter: clamp(24px, 4vw, 64px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: #fff; color: var(--ink);
  font: 14px/1.75 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
::selection { background: var(--brand); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.ev-wrap { width: 100%; max-width: none; margin: 0 auto; padding: 0 var(--gutter); }
.ev-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 38px; padding: 0 15px;
  border: 1px solid var(--brand); background: var(--brand); color: #fff;
  font-size: 13px; font-weight: 600; border-radius: 2px; white-space: nowrap;
  transition: background-color .16s ease, border-color .16s ease;
}
.ev-btn:hover { background: var(--brand-dk); border-color: var(--brand-dk); }
.ev-i { display: inline-block; width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.15em; }

/* ---------- 头部 ---------- */
.ev-head { position: relative; z-index: 30; background: #fff; border-bottom: 1px solid var(--line); }
.ev-head-in { display: flex; align-items: center; gap: 26px; min-height: 62px; }
.ev-logo { display: flex; align-items: center; gap: 10px; flex: none; }
.ev-logo-mark {
  width: 32px; height: 32px; flex: none; display: grid; place-items: center;
  background: var(--brand); color: #fff; font: 700 16px/1 var(--sans); letter-spacing: -.04em;
}
.ev-logo-text b { display: block; font: 700 16px/1.1 var(--sans); letter-spacing: .02em; }
.ev-logo-text small { display: block; margin-top: 2px; font-size: 9.5px; color: var(--ink-3); letter-spacing: .06em; }
.ev-nav { display: flex; align-items: center; gap: 24px; margin-left: 10px; }
.ev-nav a { font-size: 13px; color: var(--ink-2); }
.ev-nav a:hover { color: var(--brand); }
.ev-head-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.ev-menu { display: none; width: 38px; height: 38px; place-items: center; border: 1px solid var(--line-2); background: #fff; }
.ev-mobile { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 4px 20px 18px; }
.ev-head.menu-open .ev-mobile { display: block; }
.ev-mobile a { display: flex; align-items: center; min-height: 42px; border-bottom: 1px solid var(--line); font-size: 14px; }
.ev-mobile .ev-btn { margin-top: 14px; width: 100%; }

/* ---------- 标题条 ---------- */
.ev-title { padding: 24px 0 16px; border-bottom: 1px solid var(--line); }
.ev-title-in { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.ev-kicker { display: inline-flex; align-items: center; gap: 9px; font: 500 10.5px var(--mono); letter-spacing: .14em; color: var(--brand); text-transform: uppercase; }
.ev-kicker::before { content: ""; width: 18px; height: 1px; background: currentColor; }
.ev-title h1 { margin-top: 6px; font-size: clamp(24px, 3vw, 32px); line-height: 1.25; letter-spacing: -.02em; font-weight: 700; }
.ev-title .meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 16px; margin-top: 8px; font-size: 12.5px; color: var(--ink-2); }
.ev-title .meta .ev-i { color: var(--brand); }
.ev-chip { display: inline-flex; align-items: center; padding: 3px 8px; border: 1px solid var(--line-2); font: 500 10.5px var(--mono); color: var(--ink-2); }
.ev-title .tag { max-width: 320px; font-size: 13px; line-height: 1.7; color: var(--ink-3); text-align: right; }

/* ---------- 顶部横幅 ---------- */
.ev-banner { position: relative; min-height: clamp(280px, 22vw, 380px); display: flex; align-items: center; overflow: hidden; color: #fff; }
.ev-banner-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ev-banner::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(var(--hero-rgb, 6,26,46), .94) 0%, rgba(var(--hero-rgb, 6,26,46), .76) 55%, rgba(var(--hero-rgb, 6,26,46), .32) 100%),
              linear-gradient(0deg, rgba(var(--hero-rgb, 6,26,46), .4), transparent 45%);
}
.ev-banner-in { position: relative; z-index: 1; padding: 34px var(--gutter); }
.ev-banner .ev-kicker { color: var(--accent); }
.ev-banner h1 { margin-top: 10px; font-size: clamp(30px, 3.8vw, 42px); line-height: 1.2; letter-spacing: -.02em; font-weight: 700; }
.ev-banner-en { margin-top: 6px; font: 500 11px var(--mono); letter-spacing: .14em; color: rgba(255,255,255,.6); }
.ev-banner-lede { margin-top: 10px; font-size: 15px; color: rgba(255,255,255,.84); }
.ev-banner-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 14px; font-size: 12.5px; color: rgba(255,255,255,.82); }
.ev-banner-meta .ev-i { color: var(--accent); }
.ev-banner .ev-chip { border-color: rgba(255,255,255,.4); color: #fff; }

/* ---------- 轮播 + 新闻 ---------- */
.ev-top { display: grid; grid-template-columns: minmax(0, 1fr) clamp(340px, 26vw, 460px); gap: clamp(26px, 3vw, 48px); margin-top: 24px; align-items: stretch; }

.ev-carousel { position: relative; height: auto; min-height: 380px; overflow: hidden; background: var(--hero-ink); }
.ev-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .45s ease; pointer-events: none; }
.ev-slide.on { opacity: 1; pointer-events: auto; }
.ev-slide img { width: 100%; height: 100%; object-fit: cover; }
.ev-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(6,26,46,.85) 0%, rgba(6,26,46,.25) 55%, transparent 100%),
              linear-gradient(90deg, rgba(6,26,46,.45), transparent 60%);
}
.ev-slide-cap { position: absolute; z-index: 2; left: 24px; right: 24px; bottom: 22px; color: #fff; }
.ev-slide-cap span { font: 500 10.5px var(--mono); letter-spacing: .12em; color: rgba(255,255,255,.7); }
.ev-slide-cap h3 { margin-top: 6px; max-width: 92%; font-size: 21px; line-height: 1.35; font-weight: 700; }
.ev-slide-cap p { margin-top: 5px; font-size: 12px; color: rgba(255,255,255,.72); }
.ev-car-nav {
  position: absolute; top: 50%; z-index: 3; transform: translateY(-50%);
  width: 36px; height: 36px; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.5); background: rgba(6,26,46,.3); color: #fff;
}
.ev-car-nav:hover { background: rgba(6,26,46,.7); }
.ev-car-nav.prev { left: 12px; }
.ev-car-nav.next { right: 12px; }
.ev-car-dots { position: absolute; z-index: 3; right: 16px; bottom: 16px; display: flex; align-items: center; gap: 6px; }
.ev-car-dots button { width: 16px; height: 3px; padding: 0; border: 0; background: rgba(255,255,255,.4); }
.ev-car-dots button.on { background: #fff; }
.ev-car-pause {
  position: absolute; z-index: 3; right: 16px; top: 14px;
  min-height: 24px; padding: 2px 7px; border: 1px solid rgba(255,255,255,.4);
  background: rgba(6,26,46,.3); color: #fff; font: 500 10px var(--mono);
}

.ev-news-panel { height: auto; display: flex; flex-direction: column; border: 1px solid var(--line); background: #fff; min-width: 0; }
.ev-news-panel h2 { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 12px 16px; border-bottom: 2px solid var(--ink); font-size: 14px; font-weight: 700; }
.ev-news-panel h2 span { font: 400 10px var(--mono); color: var(--ink-3); }
.ev-news-list { flex: 1; overflow: auto; }
.ev-news-item { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 10px; padding: 7px 16px; border-bottom: 1px solid var(--line); }
.ev-news-item:last-child { border-bottom: 0; }
.ev-news-item .date { font: 500 10px var(--mono); color: var(--ink-3); padding-top: 2px; }
.ev-news-item b { display: block; font-size: 12.5px; font-weight: 500; line-height: 1.45; }
.ev-news-item small { display: block; margin-top: 1px; font-size: 10.5px; color: var(--ink-3); }

/* ---------- 下方两栏 ---------- */
.ev-bottom { display: grid; grid-template-columns: minmax(0, 1fr) clamp(340px, 26vw, 460px); gap: clamp(26px, 3vw, 48px); margin-top: 30px; padding-bottom: 52px; align-items: start; }
.ev-sec + .ev-sec { margin-top: 28px; }
.ev-sec h2 { margin: 0 0 12px; padding-left: 10px; border-left: 3px solid var(--brand); font-size: 20px; line-height: 1.4; font-weight: 700; }
.ev-sec p { max-width: 78ch; font-size: 13.5px; line-height: 1.9; color: var(--ink-2); }
.ev-sec p + p { margin-top: 9px; }
.ev-sec p.lead { color: var(--ink); }
.ev-meta-line { margin-top: 9px; font: 500 11px var(--mono); color: var(--ink-3); }

.ev-scope { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin-top: 14px; border-top: 1px solid var(--line); }
.ev-scope div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.ev-scope b { font-size: 12.5px; font-weight: 600; }
.ev-scope span { font: 500 10.5px var(--mono); color: var(--ink-3); white-space: nowrap; }

.ev-stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ev-stats div { padding: 12px 14px; border-left: 1px solid var(--line); }
.ev-stats div:first-child { border-left: 0; padding-left: 0; }
.ev-stats b { display: block; font-size: 23px; line-height: 1.2; font-weight: 700; letter-spacing: -.02em; }
.ev-stats span { display: block; margin-top: 3px; font-size: 10.5px; color: var(--ink-3); }

/* ---------- 卡片 ---------- */
.ev-side { display: flex; flex-direction: column; gap: 14px; }
.ev-card { border: 1px solid var(--line); background: #fff; padding: 15px 16px; }
.ev-card h3 { padding-bottom: 8px; border-bottom: 2px solid var(--ink); font-size: 13px; font-weight: 700; }
.ev-card dl { margin: 7px 0 0; }
.ev-card dl > div { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 12px; line-height: 1.6; }
.ev-card dl > div:last-child { border-bottom: 0; }
.ev-card dt { color: var(--ink-3); }
.ev-card dd { margin: 0; }
.ev-card .contact-line { display: flex; gap: 8px; align-items: flex-start; margin-top: 8px; font-size: 12px; line-height: 1.7; color: var(--ink-2); }
.ev-card .contact-line .ev-i { color: var(--brand); margin-top: 3px; flex: none; }
.ev-card .contact-line strong { color: var(--ink); font-weight: 600; }
.ev-note { margin-top: 8px; font-size: 10.5px; line-height: 1.6; color: var(--ink-3); }

/* ---------- 页脚 ---------- */
.ev-foot { border-top: 1px solid var(--line); background: var(--paper); color: var(--ink-2); }
.ev-foot-in { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; padding: 24px 0 20px; flex-wrap: wrap; }
.ev-foot-name { font-size: 13px; font-weight: 600; color: var(--ink); }
.ev-foot p { margin-top: 5px; font-size: 11.5px; line-height: 1.7; color: var(--ink-3); }
.ev-foot-bottom { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0 18px; border-top: 1px solid var(--line); font-size: 10.5px; color: var(--ink-3); flex-wrap: wrap; }

/* ---------- 响应式 ---------- */
@media (max-width: 1020px) {
  .ev-top, .ev-bottom { grid-template-columns: 1fr; gap: 24px; }
  .ev-carousel { height: 380px; }
  .ev-news-panel { height: auto; }
  .ev-news-list { display: grid; grid-template-columns: 1fr 1fr; }
  .ev-news-item { border-right: 1px solid var(--line); }
  .ev-news-item:nth-child(2n) { border-right: 0; }
  .ev-title .tag { text-align: left; max-width: none; }
}
@media (max-width: 760px) {
  :root { --gutter: 20px; }
  .ev-head-in { min-height: 56px; gap: 10px; }
  .ev-logo-mark { width: 30px; height: 30px; font-size: 15px; }
  .ev-logo-text b { font-size: 15px; }
  .ev-logo-text small { font-size: 9px; }
  .ev-head-actions .ev-btn { min-height: 34px; padding: 0 11px; font-size: 12px; }
  .ev-nav { display: none; }
  .ev-menu { display: grid; }
  .ev-title { padding: 18px 0 12px; }
  .ev-title h1 { font-size: 23px; }
  .ev-title .meta { font-size: 11.5px; }
  .ev-banner { min-height: 230px; }
  .ev-banner-in { padding: 24px var(--gutter); }
  .ev-banner h1 { font-size: 27px; }
  .ev-banner-lede { font-size: 13.5px; }
  .ev-banner-meta { font-size: 11.5px; }
  .ev-carousel { height: 230px; }
  .ev-slide-cap { left: 16px; right: 16px; bottom: 14px; }
  .ev-slide-cap h3 { font-size: 16px; max-width: 100%; }
  .ev-car-nav { width: 30px; height: 30px; }
  .ev-car-dots { right: 12px; bottom: 12px; }
  .ev-car-pause { right: 12px; top: 10px; }
  .ev-news-list { display: block; }
  .ev-news-item { border-right: 0; }
  .ev-scope { grid-template-columns: 1fr; }
  .ev-stats { grid-template-columns: 1fr 1fr; }
  .ev-stats div { padding: 10px 12px; border-left: 1px solid var(--line); }
  .ev-stats div:nth-child(2n + 1) { border-left: 0; padding-left: 0; }
  .ev-stats div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .ev-stats b { font-size: 21px; }
  .ev-side { gap: 10px; }
  .ev-foot-in, .ev-foot-bottom { flex-direction: column; gap: 8px; }
}
@media (min-width: 1021px) { .ev-mobile { display: none !important; } }