:root{
  --bg:#F7F7F7;
  --surface:#FFFFFF;
  --ink:#000000;
  --ink-2:#2C2C2A;
  --muted:#888780;
  --line:#E4E4E0;

  --blue:#2A6DFF;
  --red:#FF4438;
  --yellow:#FFC01F;
  --green:#12B75A;

  --blue-s:#4E8BFF;
  --red-s:#FF6B57;
  --yellow-s:#FFC94D;
  --green-s:#35C46B;

  --brand-red:#D5281E;

  --font:"Avenir Next","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;

  --header-h:72px;
  --wrap:1200px;
  --radius:6px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 48px}

.sq{width:12px;height:12px;display:inline-block;flex:none}
.c-blue{background:var(--blue-s)}
.c-red{background:var(--red-s)}
.c-yellow{background:var(--yellow-s)}
.c-green{background:var(--green-s)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;
  font-size:14px;
  font-weight:600;
  letter-spacing:.12em;
  padding:14px 44px;
  border-radius:var(--radius);
  transition:transform .25s ease,opacity .25s ease,background .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn .arw{margin-left:8px;font-size:13px}
.btn--dark{background:#111111;color:#fff}
.btn--dark:hover{transform:translateY(-2px);opacity:.88}
.btn--line{background:transparent;color:#000;box-shadow:inset 0 0 0 1px #D8D8D3}
.btn--line:hover{transform:translateY(-2px);box-shadow:inset 0 0 0 1px #000}
.btn--light{background:#fff;color:#111}
.btn--light:hover{transform:translateY(-2px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:baseline;gap:8px}
.brand-cn{color:var(--brand-red);font-size:19px;font-weight:600;letter-spacing:.06em}
.brand-en{color:var(--muted);font-size:10px;letter-spacing:.22em}
.nav{display:flex;align-items:center;gap:26px}
.nav > a{font-size:14px;color:var(--ink-2);position:relative;padding:4px 0;transition:color .2s ease}
.nav > a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:#111;
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav > a:hover{color:#000}
.nav > a:hover::after,.nav > a.is-active::after{transform:scaleX(1)}
.nav > a.is-active{color:#000}
.nav > a.nav-cta{color:#fff;font-weight:600}
.nav > a.nav-cta:hover{color:#fff}
.nav-cta{padding:11px 36px;font-size:13px;letter-spacing:.12em;margin-left:10px}
.nav-cta::after{display:none}

/* ---------- hero ---------- */
/* 首屏垂直居中。min-height 先给一个固定兜底值（任何浏览器都认），
   再用 min/max 覆盖为「视口高 - 导航高」，且上限 880px、下限 620px，
   不依赖 clamp 与 100vh 的组合解析，主K 永远不会被推出视野。 */
.hero{
  position:relative;background:var(--bg);
  min-height:620px;
  min-height:min(880px, max(620px, calc(100vh - var(--header-h))));
  display:flex;align-items:center;justify-content:center;
  padding:88px 0 80px;
}
.edge{
  position:absolute;top:calc(var(--header-h) * -1);bottom:0;width:14px;z-index:1;pointer-events:none;
  display:flex;flex-direction:column;gap:3px;
}
.edge--l{left:0}
.edge--r{right:0}
.edge i{display:block;width:100%;flex:var(--h,1) 1 0;min-height:0}
.hero-inner{position:relative;z-index:2;text-align:center;width:100%}
.kv-cn{
  margin:0;color:#000;
  font-size:clamp(38px,6.2vw,92px);
  font-weight:700;letter-spacing:.26em;line-height:1;
}
.wordmark{
  margin-top:16px;
  font-size:clamp(64px,13.4vw,168px);
  font-weight:600;line-height:.95;letter-spacing:-.035em;
  user-select:none;
}
/* 渐变字样：先给纯黑兜底色保证文字永远可见，
   仅在浏览器确认支持 background-clip:text 时才切换为透明字+渐变 */
.wordmark span{color:#111}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .wordmark span{
    background-image:linear-gradient(90deg,var(--a) 0 var(--split,50%),var(--b) var(--split,50%) 100%);
    -webkit-background-clip:text;background-clip:text;
    color:transparent;-webkit-text-fill-color:transparent;
  }
}
.kv-sub{margin:44px 0 0;color:#000;font-size:clamp(23px,3vw,38px);font-weight:600;letter-spacing:.32em}
.kv-meta{
  margin:38px 0 0;display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;
  color:var(--ink-2);font-size:15px;
}
.kv-meta em{color:#C4C4BE;font-style:normal}

/* ---------- countdown ---------- */
.countdown{position:relative;background:var(--bg);padding:0 0 84px}
.cd-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  padding:30px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cd-label{
  margin:0;display:flex;align-items:center;gap:12px;
  font-size:15px;letter-spacing:.28em;color:#000;
}
.cd-timer{display:flex;gap:14px}
.cd-unit{
  min-width:96px;padding:14px 8px 10px;text-align:center;
  background:var(--bg);border-radius:8px;
  position:relative;overflow:hidden;
}
.cd-unit::before{content:"";position:absolute;top:0;left:0;right:0;height:3px}
.cd-unit:nth-child(1)::before{background:var(--blue)}
.cd-unit:nth-child(2)::before{background:var(--red)}
.cd-unit:nth-child(3)::before{background:var(--yellow)}
.cd-unit:nth-child(4)::before{background:var(--green)}
.cd-num{
  font-size:44px;font-weight:600;line-height:1.1;color:#000;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.cd-num.is-tick{animation:tick .4s ease}
@keyframes tick{0%{opacity:.35;transform:translateY(-4px)}100%{opacity:1;transform:none}}
.cd-cap{margin-top:4px;font-size:12px;color:var(--muted);letter-spacing:.2em}

/* ---------- 报名导流条（倒计时 / 议程之后） ---------- */
.cta-strip{
  margin-top:56px;
  display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;
}
.cta-strip--tight{margin-top:40px}
.cta-deco{display:flex;gap:4px}
.cta-deco i{width:10px;height:10px;display:block;border-radius:2px}
.cta-t{margin:0;font-size:14px;letter-spacing:.18em;color:var(--muted)}
.cta-strip .btn{padding:15px 56px}

/* ---------- generic section ---------- */
.section{padding:0}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- section side label ---------- */
.sec-side{position:sticky;top:calc(var(--header-h) + 48px);align-self:start}
.sec-label{
  margin:0;display:flex;align-items:center;gap:12px;
  font-size:16px;font-weight:600;letter-spacing:.24em;color:#000;
}
.sec-label-en{margin:10px 0 0;font-size:11px;letter-spacing:.28em;color:var(--muted)}
.sec-dots{display:flex;gap:4px;margin-top:22px}
.sec-dots i{width:9px;height:9px;display:block}

/* ---------- section 3: highlights ---------- */
.section--highlights{background:var(--bg);padding:96px 0 104px}
.sec-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;
  padding-bottom:26px;border-bottom:1px solid var(--line);
}
.sec-desc{margin:0 0 4px;color:var(--muted);font-size:15px;letter-spacing:.04em}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{
  padding:32px 28px 30px;
  border-left:1px solid var(--line);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,transform .3s ease;
}
.stat:nth-child(4n + 1){border-left:none}
.stat:hover{background:var(--surface);transform:translateY(-3px)}
.stat .sq{width:10px;height:10px}
.stat-num{
  margin-top:16px;font-size:46px;font-weight:600;line-height:1.1;color:#000;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stat-num em{font-size:17px;font-weight:500;font-style:normal;margin-left:4px;color:var(--ink-2)}
.stat-cap{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.6}

/* ---------- section 4: agenda ---------- */
.section--agenda{background:var(--surface);padding:104px 0 108px}

.ag-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-top:30px;
}
.ag-tabs{display:inline-flex;gap:4px;padding:4px;background:var(--bg);border-radius:8px}
.ag-tab{
  appearance:none;border:none;background:transparent;cursor:pointer;font-family:inherit;
  padding:10px 24px;border-radius:6px;
  font-size:15px;font-weight:600;letter-spacing:.06em;color:var(--muted);
  transition:color .25s ease,background .25s ease,box-shadow .25s ease;
}
.ag-tab em{font-style:normal;font-size:11px;letter-spacing:.12em;margin-left:9px;opacity:.75}
.ag-tab:hover{color:var(--ink-2)}
.ag-tab.is-on{background:var(--surface);color:#000;box-shadow:0 1px 3px rgba(0,0,0,.07)}
.ag-hint{margin:0;font-size:12px;letter-spacing:.14em;color:var(--muted)}

.ag-panel{display:none;padding-top:50px}
.ag-panel.is-on{display:block;animation:agIn .5s cubic-bezier(.2,.7,.3,1) both}
@keyframes agIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

.ag-row{
  display:grid;grid-template-columns:132px 42px minmax(0,1fr);
  position:relative;padding-bottom:48px;
}
.ag-row:last-child{padding-bottom:0}
.ag-row::before{
  content:"";position:absolute;left:153px;top:14px;bottom:-14px;width:1px;background:var(--line);
}
.ag-row:last-child::before{display:none}

.ag-time{
  padding-top:1px;font-size:15px;font-weight:600;color:#000;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;white-space:nowrap;
}
.ag-time span{color:#C6C6C0;font-weight:400;margin:0 4px}

.ag-dot{padding-top:7px;display:flex;justify-content:center}
.ag-dot i{
  width:9px;height:9px;display:block;border-radius:2px;
  box-shadow:0 0 0 6px var(--surface);position:relative;z-index:1;
}

/* 时间轴吸附：展开长议程时，时间与节点跟随视口保持在导航下方 */
.ag-time,.ag-dot{align-self:start}
.ag-time{position:sticky;top:calc(var(--header-h) + 22px);z-index:3}
.ag-dot{position:sticky;top:calc(var(--header-h) + 22px);z-index:2}

.ag-body > .ag-group-label{
  margin:34px 0 12px;font-size:11px;letter-spacing:.3em;color:var(--muted);
}
.ag-body > .ag-group-label:first-child{margin-top:0}

.ag-tail{
  margin:44px 0 0;padding-left:14px;border-left:2px solid var(--line);
  font-size:13px;letter-spacing:.16em;color:var(--muted);
}

/* ---------- 场次卡片（可展开） ---------- */
.ev{
  border:1px solid var(--line);border-radius:8px;background:var(--surface);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.ev + .ev{margin-top:10px}
.ev.is-open{border-color:#CFCFC9;box-shadow:0 6px 22px rgba(0,0,0,.05)}
.ev-head{
  width:100%;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:16px 20px;background:none;border:none;text-align:left;
  font-family:inherit;cursor:pointer;
  transition:background .25s ease;
}
.ev-head:hover{background:#FCFCFB}
.ev-title{font-size:17px;font-weight:600;color:#000;letter-spacing:.02em}
.ev-tags{display:flex;gap:6px;flex-wrap:wrap}
.ev-tags i{
  font-style:normal;font-size:11px;letter-spacing:.04em;color:var(--muted);
  background:var(--bg);padding:3px 9px;border-radius:4px;
}
.ev-by{margin-left:auto;font-size:12px;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
.ev-plus{position:relative;width:13px;height:13px;flex:none}
.ev-plus::before,.ev-plus::after{
  content:"";position:absolute;background:#111;
  transition:transform .32s cubic-bezier(.2,.7,.3,1),opacity .32s ease;
}
.ev-plus::before{left:0;right:0;top:5.5px;height:2px}
.ev-plus::after{top:0;bottom:0;left:5.5px;width:2px}
.ev.is-open .ev-plus::after{transform:scaleY(0);opacity:0}

.ev-body{max-height:0;overflow:hidden;transition:max-height .48s cubic-bezier(.2,.7,.3,1)}
.ev-inner{padding:20px 20px 24px;border-top:1px solid var(--line)}

.ev-line{margin:0 0 10px;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:820px}
.ev-line:last-child{margin-bottom:0}
.ev-k{
  display:inline-block;min-width:66px;margin-right:14px;
  font-size:12px;letter-spacing:.14em;color:var(--muted);vertical-align:1px;
}
.ev-sec-t{margin:22px 0 10px;font-size:11px;letter-spacing:.28em;color:var(--muted)}
.ev-sec-d{margin:0 0 12px;font-size:14px;line-height:1.95;color:var(--ink-2);max-width:820px}
.ev-sec-d:last-child{margin-bottom:0}
.ev-note{
  margin:18px 0 0;padding-left:14px;border-left:2px solid var(--yellow-s);
  font-size:13px;line-height:1.8;color:var(--muted);
}

.ev-sched{list-style:none;margin:0;padding:0;max-width:820px}
.ev-sched li{
  display:grid;grid-template-columns:124px minmax(0,1fr);gap:18px;
  padding:10px 0;border-top:1px solid var(--line);
  font-size:14px;line-height:1.7;color:var(--ink-2);
}
.ev-sched li:first-child{border-top:none}
.ev-t{
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.ev-n{display:block}

.ev-list{list-style:none;margin:0;padding:0;max-width:820px}
.ev-list li{
  position:relative;padding:9px 0 9px 20px;
  font-size:14px;line-height:1.75;color:var(--ink-2);
}
.ev-list li::before{
  content:"";position:absolute;left:0;top:17px;
  width:7px;height:7px;background:var(--yellow-s);
}

/* ---------- section 5: audience ---------- */
.section--audience{background:var(--bg);padding:104px 0 108px}

.aud-values{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:44px;
}
.aud-v{
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  padding:28px 26px 30px;
}
.aud-v .sq{width:10px;height:10px}
.aud-v-t{margin:16px 0 0;font-size:17px;font-weight:600;color:#000;letter-spacing:.02em}
.aud-v-d{margin:10px 0 0;font-size:14px;line-height:1.9;color:var(--muted)}

.aud-data{margin-top:56px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:52px}
.aud-block-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.aud-block-t{margin:0;font-size:14px;font-weight:600;color:#000;letter-spacing:.2em}

.aud-rows{margin-top:18px;display:grid;gap:13px}
.aud-row{display:grid;grid-template-columns:128px minmax(0,1fr) 60px;align-items:center;gap:14px}
.aud-meta{display:flex;flex-direction:column;gap:2px;min-width:0}
.aud-name{font-size:14px;font-weight:600;color:#000;letter-spacing:.02em;line-height:1.4}
.aud-sub{font-size:11px;color:var(--muted);letter-spacing:.02em;line-height:1.4}
.aud-bars{display:flex;gap:4px;min-width:0;flex-wrap:wrap}
.aud-bars i{width:12px;height:12px;display:block;flex:none;border-radius:2px}
.aud-num{
  text-align:right;font-size:16px;font-weight:600;color:#000;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;white-space:nowrap;
}
.aud-num em{font-style:normal;font-size:11px;color:var(--muted);margin-left:1px}

/* ---------- section 6: partners ---------- */
.section--partners{background:var(--surface);padding:88px 0 84px}

.pt-group{margin-top:26px}
.pt-label{margin:0 0 11px;font-size:10px;letter-spacing:.3em;color:var(--muted)}
.pt-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.pt-cell{
  min-height:62px;padding:11px 12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border:1px solid var(--line);border-radius:8px;background:var(--bg);text-align:center;
  transition:border-color .25s ease,background .25s ease;
}
.pt-name{font-size:14px;font-weight:600;color:#000;letter-spacing:.03em}
.pt-cell--lead{grid-column:span 2}
.pt-cell--lead .pt-name{font-size:17px;letter-spacing:.12em}
.pt-sub{font-size:10px;letter-spacing:.06em;color:var(--muted);line-height:1.4}

.pt-cell.is-todo{background:var(--surface)}
.pt-cell--media.is-todo{border-style:dashed;background:transparent}
.pt-cell--media.is-todo::before{opacity:.7}
.pt-cell.is-todo::before{
  content:"";width:16px;height:16px;display:block;
  background:
    linear-gradient(var(--line),var(--line)) 0 0 / 7px 7px no-repeat,
    linear-gradient(var(--line),var(--line)) 9px 0 / 7px 7px no-repeat,
    linear-gradient(var(--line),var(--line)) 0 9px / 7px 7px no-repeat,
    linear-gradient(var(--line),var(--line)) 9px 9px / 7px 7px no-repeat;
}
.pt-cell.is-todo:hover{border-color:#CFCFC9}

/* ---------- section 7: faq ---------- */
.section--faq{background:var(--bg);padding:96px 0 100px}

.faq-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;align-items:start;margin-top:18px}
.faq-col:first-child{padding-right:72px}
.faq-col:last-child{padding-left:72px;border-left:1px solid var(--line)}

.faq-g{margin-top:38px}
.faq-g:first-child{margin-top:0}
.faq-g-label{
  margin:0 0 4px;display:flex;align-items:center;gap:10px;
  font-size:11px;letter-spacing:.3em;color:var(--muted);
}

/* 直接展开的形式：问题与答案常显，不做展开/收起交互 */
.qa{padding:20px 0 22px;border-top:1px solid var(--line)}
.qa:last-child{border-bottom:1px solid var(--line)}

.qa-q{
  display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;align-items:baseline;
}
.qa-n{
  font-size:11px;font-weight:600;letter-spacing:.1em;color:#B4B4AE;
  padding-top:5px;font-variant-numeric:tabular-nums;
}
.qa-t{font-size:15.5px;font-weight:600;color:#000;line-height:1.62;letter-spacing:.01em}

.qa-a{display:block}
.qa-a-in{padding:11px 0 0 56px}
.qa-a-in p{margin:0 0 10px;font-size:14.5px;line-height:1.95;color:var(--ink-2)}
.qa-a-in p:last-child{margin-bottom:0}
.qa-kv{display:flex;gap:10px}
.qa-kv em{font-style:normal;color:var(--muted);flex:none;width:58px;letter-spacing:.08em}

/* ---------- section 8: gallery ---------- */
.section--gallery{background:var(--surface);padding:96px 0 100px}

/* 两列 × 两行；每格高度由图片原生 3:2 比例决定 → 不裁切 */
.gal{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;margin-top:34px;
}
.gal-i{
  position:relative;margin:0;overflow:hidden;
  border:1px solid var(--line);border-radius:8px;background:var(--bg);
  transition:transform .3s ease,box-shadow .3s ease;
}
.gal-i img{
  width:100%;aspect-ratio:3/2;object-fit:cover;display:block;
  transition:transform .6s cubic-bezier(.2,.7,.3,1);
}
.gal-cap{
  position:absolute;left:0;right:0;bottom:0;margin:0;
  padding:52px 18px 14px;
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
  background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.58) 100%);
  color:#fff;
}
.gal-y{
  font-size:15px;font-weight:700;letter-spacing:.08em;
  font-variant-numeric:tabular-nums;flex:none;
}
.gal-t{font-size:12.5px;letter-spacing:.08em;opacity:.92;line-height:1.4}
.gal-i:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.10)}
.gal-i:hover img{transform:scale(1.02)}

/* ---------- section 9: about（关于崔牛会） ---------- */
.section--about{background:var(--bg);padding:96px 0 100px}

.ab-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 372px;
  gap:72px;align-items:start;margin-top:46px;
}
.ab-body p{
  margin:0 0 24px;font-size:16px;line-height:2;font-weight:400;
  color:var(--ink-2);max-width:660px;
}
.ab-body p:last-child{margin-bottom:0}

.ab-facts{border-top:1px solid var(--line)}
.ab-fact{
  display:grid;grid-template-columns:112px minmax(0,1fr);gap:18px;align-items:baseline;
  padding:17px 0 15px;border-bottom:1px solid var(--line);
}
.ab-n{
  font-size:30px;font-weight:700;color:#000;line-height:1.05;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;white-space:nowrap;
}
.ab-n em{font-style:normal;font-size:15px;font-weight:600;margin-left:2px}
.ab-c{font-size:13px;line-height:1.7;color:var(--muted);letter-spacing:.02em}

/* ---------- section 10: contact（联系我们） ---------- */
.section--contact{background:var(--surface);padding:96px 0 108px}

.ct-info{margin-top:42px}
.ct-block + .ct-block{margin-top:36px}
.ct-k{margin:0 0 10px;font-size:11px;letter-spacing:.3em;color:var(--muted)}
.ct-v{margin:0;font-size:19px;font-weight:600;color:#000;letter-spacing:.02em;line-height:1.5}
.ct-note{
  display:grid;grid-template-columns:auto auto;justify-content:start;
  gap:4px 64px;margin:10px 0 0;font-size:13.5px;line-height:1.9;color:var(--muted);
}
.ct-lb{color:var(--muted)}
.ct-link{
  color:var(--ink-2);border-bottom:1px solid var(--line);
  transition:color .25s ease,border-color .25s ease;
}
.ct-link:hover{color:#000;border-color:#000}

.ct-qr{
  margin-top:14px;width:180px;height:180px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;
}
.ct-qr img{width:100%;height:100%;object-fit:contain;display:block}

/* ---------- section 2: intro ---------- */
.section--intro{background:var(--surface);padding:104px 0 96px}
.intro-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px}
.intro-body p{margin:0 0 24px;font-size:16px;line-height:2;font-weight:400;color:var(--ink-2);max-width:740px}
.intro-body p:last-child{margin-bottom:0}
.hl{
  background-image:linear-gradient(transparent 62%,rgba(255,192,31,.5) 62%);
  background-repeat:no-repeat;
}

@media (max-width:1120px) and (min-width:901px){
  .aud-data{gap:34px}
  .aud-row{grid-template-columns:108px minmax(0,1fr) 56px;gap:10px}
  .aud-bars{gap:3px}
  .aud-bars i{width:10px;height:10px}
  .pt-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
  .pt-cell--lead{grid-column:span 2}
  .gal{gap:10px}
}

@media (max-width:900px){
  .wrap{padding:0 24px}
  .nav > a:not(.nav-cta){display:none}
  .cd-inner{gap:24px}
  .cd-unit{min-width:72px}
  .cd-num{font-size:34px}
  .cd-card{padding:24px 22px;gap:22px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .sec-side{position:static}
  .section--intro{padding:72px 0 64px}
  .intro-lead{font-size:16px}
  .intro-body p{font-size:15px;line-height:1.95}
  .section--highlights{padding:72px 0 76px}
  .sec-head{align-items:flex-start}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:26px 18px 24px}
  .stat:nth-child(4n + 1){border-left:1px solid var(--line)}
  .stat:nth-child(2n + 1){border-left:none}
  .stat-num{font-size:34px}

  .section--agenda{padding:72px 0 76px}
  .ag-bar{gap:14px;margin-top:24px}
  .ag-tab{padding:9px 16px;font-size:14px}
  .ag-tab em{font-size:10px;margin-left:6px}
  .ag-panel{padding-top:34px}
  .ag-row{grid-template-columns:1fr;padding-bottom:36px;padding-left:22px}
  .ag-row::before{left:4px;top:9px;bottom:-9px}
  .ag-time{margin-bottom:14px;padding-top:0}
  .ag-dot{position:absolute;left:0;top:5px;padding:0;justify-content:flex-start}
  .ag-body > .ag-group-label{margin-top:26px}
  .ev-head{padding:15px 16px;gap:9px 10px}
  .ev-title{font-size:16px;width:100%}
  .ev-by{margin-left:0;font-size:11px}
  .ev-plus{margin-left:auto}
  .ev-inner{padding:18px 16px 20px}
  .ev-k{display:block;min-width:0;margin:0 0 2px}
  .ev-sched li{grid-template-columns:1fr;gap:3px;padding:10px 0}
  .ev-list li{padding-left:18px}
  .ev-list li::before{top:16px;width:6px;height:6px}

  .section--audience{padding:72px 0 76px}
  .aud-values{grid-template-columns:1fr;gap:12px;margin-top:32px}
  .aud-v{padding:22px 20px 24px}
  .aud-data{grid-template-columns:1fr;margin-top:44px;gap:38px}
  .aud-row{grid-template-columns:1fr auto;gap:9px 16px}
  .aud-meta{grid-column:1}
  .aud-num{grid-column:2}
  .aud-bars{grid-column:1 / -1;flex-wrap:wrap}
  .aud-bars i{width:11px;height:11px}

  .section--partners{padding:64px 0 68px}
  .pt-group{margin-top:22px}
  .pt-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .pt-cell{min-height:56px;padding:11px 12px}
  .pt-name{font-size:14px}
  .pt-cell--lead{grid-column:span 2}
  .pt-cell--lead .pt-name{font-size:16px}
  .pt-cell.is-todo::before{width:14px;height:14px;
    background:
      linear-gradient(var(--line),var(--line)) 0 0 / 6px 6px no-repeat,
      linear-gradient(var(--line),var(--line)) 8px 0 / 6px 6px no-repeat,
      linear-gradient(var(--line),var(--line)) 0 8px / 6px 6px no-repeat,
      linear-gradient(var(--line),var(--line)) 8px 8px / 6px 6px no-repeat;
  }

  .section--faq{padding:64px 0 68px}
  .faq-cols{grid-template-columns:1fr;margin-top:8px}
  .faq-col:first-child{padding-right:0}
  .faq-col:last-child{
    padding-left:0;border-left:none;
    margin-top:34px;padding-top:34px;border-top:1px solid var(--line);
  }
  .faq-g{margin-top:30px}
  .qa{padding:17px 0 19px}
  .qa-q{grid-template-columns:34px minmax(0,1fr);gap:10px}
  .qa-t{font-size:15px}
  .qa-a-in{padding:10px 0 0 44px}
  .qa-a-in p{font-size:14px;line-height:1.9}
  .qa-kv{flex-direction:column;gap:2px}
  .qa-kv em{width:auto}

  .section--gallery{padding:64px 0 68px}
  .hero{min-height:auto;padding:112px 0 76px}
  .gal{grid-template-columns:1fr;gap:10px;margin-top:26px}
  .gal-cap{padding:40px 14px 12px}
  .gal-t{font-size:11.5px;letter-spacing:.05em}

  .section--about{padding:64px 0 68px}
  .ab-grid{grid-template-columns:1fr;gap:36px;margin-top:32px}
  .ab-body p{font-size:15px;line-height:1.95}
  .ab-fact{grid-template-columns:96px minmax(0,1fr);gap:14px}
  .ab-n{font-size:26px}

  .section--contact{padding:64px 0 68px}
  .ct-info{margin-top:30px}
  .ct-block + .ct-block{margin-top:30px}
  .ct-v{font-size:18px}
  .ct-note{grid-template-columns:1fr;gap:2px;font-size:13px}
  .ct-qr{width:170px;height:170px}
  .cta-strip{margin-top:36px;gap:15px}
  .cta-strip .btn{padding:14px 42px}
}