:root{
  --bg:#060b1e;
  --bg2:#0a1230;
  --card:rgba(255,255,255,.05);
  --card-border:rgba(120,180,255,.16);
  --cyan:#37d3ff;
  --blue:#3f7bff;
  --purple:#8a6bff;
  --gold:#ffcf5c;
  --text:#eaf2ff;
  --sub:#9db4d8;
  --grad:linear-gradient(135deg,#37d3ff 0%,#3f7bff 55%,#8a6bff 100%);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  overflow-x:hidden;position:relative;
}
.hidden{display:none !important}
/* 宽屏内容容器：左右留白按视口自动计算，最大 1200px */
:root{--wp:max(20px, calc((100% - 1200px) / 2))}

/* ---------- 背景光效 ---------- */
.bg-fx{position:fixed;inset:0;pointer-events:none;z-index:0}
.bg-fx i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.bg-fx i:nth-child(1){width:420px;height:420px;background:radial-gradient(circle,#1b4fd8 0%,transparent 70%);top:-120px;left:-120px;animation:float 9s ease-in-out infinite}
.bg-fx i:nth-child(2){width:380px;height:380px;background:radial-gradient(circle,#0e7fd8 0%,transparent 70%);top:22%;right:-140px;animation:float 11s ease-in-out infinite reverse}
.bg-fx i:nth-child(3){width:460px;height:460px;background:radial-gradient(circle,#5b34c9 0%,transparent 70%);top:52%;left:-160px;animation:float 13s ease-in-out infinite}
.bg-fx i:nth-child(4){width:340px;height:340px;background:radial-gradient(circle,#0aa8c9 0%,transparent 70%);bottom:-100px;right:-100px;animation:float 10s ease-in-out infinite reverse}
.bg-fx i:nth-child(5){width:520px;height:520px;background:radial-gradient(circle,#1b3fa8 0%,transparent 70%);top:74%;right:24%;opacity:.38;animation:float 15s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-46px)}}
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(90,140,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(90,140,255,.05) 1px,transparent 1px);
  background-size:44px 44px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.15) 60%,rgba(0,0,0,.6));
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.15) 60%,rgba(0,0,0,.6));}
main{position:relative;z-index:1}

/* ---------- 顶部导航（站点式） ---------- */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  background:rgba(6,11,30,.8);border-bottom:1px solid rgba(120,180,255,.12)}
.topbar:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent 8%,rgba(55,211,255,.35) 50%,transparent 92%)}
.topbar-inner{display:flex;align-items:center;gap:16px;padding:12px var(--wp)}
.topbar .brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.logo-img{height:30px;width:auto;display:block;max-width:180px;object-fit:contain}
.logo-text{font-weight:800;font-size:19px;letter-spacing:1px;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.main-nav{display:none;flex:1;justify-content:center;gap:2px}
.nav-link{position:relative;color:#bcccec;text-decoration:none;font-size:14px;padding:9px 13px;
  border-radius:9px;white-space:nowrap;transition:color .2s,background .2s}
.nav-link:hover{color:#fff;background:rgba(120,180,255,.08)}
.nav-link.on{color:#fff}
.nav-link.on:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--grad)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-cta{display:none;padding:9px 20px;font-size:13.5px}
.nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:4px;width:40px;height:36px;
  border:1px solid var(--card-border);background:rgba(255,255,255,.04);border-radius:10px;cursor:pointer;padding:0 10px}
.nav-toggle i{display:block;height:2px;border-radius:2px;background:#cfe0ff;transition:.25s}
.topbar.menu-open .nav-toggle i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.topbar.menu-open .nav-toggle i:nth-child(2){opacity:0}
.topbar.menu-open .nav-toggle i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none;flex-direction:column;gap:2px;padding:6px var(--wp) 18px;border-top:1px solid rgba(120,180,255,.1)}
.mobile-menu a{color:#c3d3ef;text-decoration:none;font-size:14.5px;padding:11px 6px;border-radius:9px}
.mobile-menu a:hover{background:rgba(120,180,255,.08);color:#fff}
.mobile-menu .btn{color:#fff;text-align:center;margin-top:10px;padding:12px}
.topbar.menu-open .mobile-menu{display:flex}
/* 描点跳转时预留吸顶导航高度 */
section,.hero-wrap,#stats{scroll-margin-top:72px}

/* ---------- HERO ---------- */
.hero-wrap{position:relative;min-height:calc(100vh - 61px);min-height:calc(100svh - 61px);
  display:flex;flex-direction:column}
.hero-wrap .bgimg{position:absolute;inset:0;z-index:0;background-position:center top;background-size:cover;background-repeat:no-repeat}
.hero-wrap .bgimg:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,30,var(--ov,.66)) 0%,rgba(6,11,30,calc(var(--ov,.66) * .64)) 26%,rgba(6,11,30,calc(var(--ov,.66) * .76)) 55%,rgba(6,11,30,calc(var(--ov,.66) * 1.18)) 82%,#060b1e 98%)}
.hero-wrap.no-bg .bgimg{display:none}
.hero-wrap>*:not(.bgimg){position:relative;z-index:1}
.hero{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:52px var(--wp) 34px;text-align:center;position:relative}
/* 标题后方的光晕，增强科技氛围 */
.hero:before{content:"";position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);
  width:min(760px,90%);height:340px;border-radius:50%;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(63,123,255,.22) 0%,rgba(90,60,220,.12) 45%,transparent 72%)}
.hero h1{max-width:1100px;margin:0 auto}
.hero .badge{position:relative;display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:3px;color:var(--cyan);
  border:1px solid rgba(55,211,255,.4);border-radius:99px;padding:7px 20px;margin-bottom:22px;
  background:rgba(55,211,255,.06);animation:glow 3s ease-in-out infinite}
.hero .badge:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.75)}}
@keyframes glow{0%,100%{box-shadow:0 0 0 rgba(55,211,255,0)}50%{box-shadow:0 0 24px rgba(55,211,255,.35)}}
.hero h1{font-size:34px;line-height:1.35;font-weight:800;letter-spacing:2px;white-space:pre-line;
  background:linear-gradient(120deg,#fff 20%,#8fd0ff 60%,#b9a0ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero h2{display:flex;align-items:center;gap:14px;font-size:15px;color:var(--sub);font-weight:400;letter-spacing:5px;margin-top:12px}
.hero h2:before,.hero h2:after{content:"";width:42px;height:1px;flex:0 0 auto;
  background:linear-gradient(90deg,transparent,rgba(120,190,255,.65))}
.hero h2:after{background:linear-gradient(90deg,rgba(120,190,255,.65),transparent)}
.hero .en{font-size:11px;color:#5f76a3;letter-spacing:1px;margin-top:8px;text-transform:uppercase}
.hero .date-box{position:relative;margin-top:30px;display:inline-block;padding:16px 34px;border-radius:18px;
  background:var(--card);border:1px solid var(--card-border);backdrop-filter:blur(10px);
  box-shadow:0 10px 34px rgba(10,30,90,.35)}
/* HUD 四角括线 */
.hero .date-box:before,.hero .date-box:after{content:"";position:absolute;width:16px;height:16px;pointer-events:none}
.hero .date-box:before{top:-1px;left:-1px;border-top:2px solid var(--cyan);border-left:2px solid var(--cyan);border-top-left-radius:18px;opacity:.85}
.hero .date-box:after{bottom:-1px;right:-1px;border-bottom:2px solid var(--cyan);border-right:2px solid var(--cyan);border-bottom-right-radius:18px;opacity:.85}
.hero .date-box .d{font-size:27px;font-weight:800;letter-spacing:1px;color:#fff;text-shadow:0 0 22px rgba(90,160,255,.5)}
.hero .date-box .d em{font-style:normal;color:var(--gold)}
.hero .date-box .v{font-size:13px;color:var(--sub);margin-top:4px;letter-spacing:1px}
.cta-row{display:flex;gap:14px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;font-size:15px;font-weight:600;padding:13px 34px;border-radius:99px;letter-spacing:1px;transition:transform .2s,box-shadow .25s,background .25s,border-color .25s}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 28px rgba(63,123,255,.4)}
.btn-primary:hover{box-shadow:0 12px 36px rgba(63,123,255,.55)}
.btn-ghost{border:1px solid rgba(140,190,255,.45);color:#cfe3ff;background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(55,211,255,.08);box-shadow:0 0 20px rgba(55,211,255,.18)}

/* ---------- 通用 section ---------- */
section{padding:56px var(--wp)}
.sec-head{text-align:center;margin-bottom:34px}
.sec-head .tag{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:4px;color:var(--cyan);text-transform:uppercase}
.sec-head .tag:before,.sec-head .tag:after{content:"";width:32px;height:1px}
.sec-head .tag:before{background:linear-gradient(90deg,transparent,rgba(55,211,255,.6))}
.sec-head .tag:after{background:linear-gradient(90deg,rgba(55,211,255,.6),transparent)}
.sec-head h3{font-size:25px;font-weight:800;margin-top:8px;letter-spacing:1px;white-space:pre-line}
.sec-head h3 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-head p{font-size:13px;color:var(--sub);margin-top:10px}
.sec-head .bar{width:56px;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);margin:16px auto 0;box-shadow:0 0 12px rgba(55,211,255,.45)}

/* ---------- 数字带 ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:0 var(--wp) 10px;margin-top:0}
.stat{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:12px 8px;text-align:center;backdrop-filter:blur(10px);transition:transform .25s,border-color .25s,box-shadow .25s}
.stat:before{content:"";position:absolute;top:0;left:18%;right:18%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.75}
.stat:hover{transform:translateY(-3px);border-color:rgba(55,211,255,.45);box-shadow:0 12px 32px rgba(20,80,200,.28)}
.stat .num{font-size:24px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .num small{font-size:13px}
.stat .lab{font-size:11px;color:var(--sub);margin-top:4px;letter-spacing:1px}

/* ---------- 介绍 ---------- */
.about{padding-top:0;background:rgba(255,255,255,.02);border-top:1px solid rgba(120,180,255,.08);border-bottom:1px solid rgba(120,180,255,.08)}
.about .sec-head{padding-top:12px}
.about p{font-size:14px;color:#c3d5f2;text-align:justify;margin-bottom:14px;text-indent:2em}
/* 段内加粗增亮 */
.about .tx-hl{color:#4fd8ff;font-weight:700;text-indent:0}
/* 口号行：艺术字体（渐变描边感）、加粗、居中、独立成行 */
.about .tx-slogan{display:block;text-align:center;text-indent:0;font-size:clamp(16px,3.4vw,21px);
  font-weight:800;letter-spacing:2px;line-height:1.9;margin:22px 0 18px;
  background:linear-gradient(92deg,#7fe3ff 0%,#e6f4ff 45%,#ffd88a 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#7fe3ff}
.host-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}
.host-grid .host:last-child:nth-child(odd){grid-column:1/-1}
.host{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:13px 14px}
.host .h-t{font-size:11px;color:var(--cyan);letter-spacing:2px;margin-bottom:4px}
.host .h-n{font-size:12.5px;color:#dce9ff;line-height:1.6;white-space:pre-line}

/* ---------- 展会介绍配图 / 组织机构 ---------- */
.about-banner{position:relative;border-radius:18px;overflow:hidden;margin:4px 0 20px;
  border:1px solid rgba(120,180,255,.18);box-shadow:0 14px 44px rgba(10,30,90,.4)}
.about-banner img{display:block;width:100%;height:clamp(170px,26vw,320px);object-fit:cover}
.about-banner:after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(6,11,30,.72))}
.orgs{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.org{position:relative;background:var(--card);border:1px solid var(--card-border);border-radius:18px;
  padding:22px 20px;backdrop-filter:blur(10px);transition:transform .25s,border-color .25s,box-shadow .25s;overflow:hidden}
.org:before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.75}
.org:hover{transform:translateY(-3px);border-color:rgba(55,211,255,.45);box-shadow:0 12px 32px rgba(20,80,200,.28)}
.org .o-ic{width:46px;height:46px;border-radius:14px;background:var(--grad);display:flex;align-items:center;
  justify-content:center;font-size:22px;box-shadow:0 6px 20px rgba(63,123,255,.4);margin-bottom:12px}
.org .h-t{font-size:12px;color:var(--cyan);letter-spacing:3px;margin-bottom:6px}
.org .h-n{font-size:13.5px;color:#dce9ff;line-height:1.75;white-space:pre-line}

/* ---------- 展会时间（独立栏目） ---------- */
.time-row{display:grid;grid-template-columns:1fr;gap:14px}
.day{position:relative;background:var(--card);border:1px solid var(--card-border);border-radius:18px;
  padding:22px 12px 18px;text-align:center;backdrop-filter:blur(10px);transition:transform .25s,border-color .25s,box-shadow .25s}
.day:before,.day:after{content:"";position:absolute;width:14px;height:14px;pointer-events:none}
.day:before{top:-1px;left:-1px;border-top:2px solid var(--cyan);border-left:2px solid var(--cyan);border-top-left-radius:18px;opacity:.85}
.day:after{bottom:-1px;right:-1px;border-bottom:2px solid var(--cyan);border-right:2px solid var(--cyan);border-bottom-right-radius:18px;opacity:.85}
.day:hover{transform:translateY(-3px);border-color:rgba(55,211,255,.45);box-shadow:0 12px 32px rgba(20,80,200,.28)}
.day .d-date{font-size:24px;font-weight:800;letter-spacing:1px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.day .d-week{display:inline-block;font-size:11px;color:var(--cyan);letter-spacing:2px;margin-top:6px;
  border:1px solid rgba(55,211,255,.35);border-radius:99px;padding:2px 12px;background:rgba(55,211,255,.06)}
.day.is-setup .d-date{-webkit-text-fill-color:initial;background:none;color:var(--gold);text-shadow:0 0 18px rgba(255,190,90,.35)}
.day.is-setup .d-week{color:var(--gold);border-color:rgba(255,196,100,.4);background:rgba(255,196,100,.07)}
.day.is-setup:before{border-color:var(--gold);opacity:.6}
.day.is-setup:after{border-color:var(--gold);opacity:.6}
.day .d-hours{font-size:13px;color:#dce9ff;margin-top:10px;letter-spacing:1px}
.time-venue{text-align:center;font-size:12.5px;color:var(--sub);margin-top:18px;letter-spacing:1px}

/* ---------- 展示范围（卡片式） ---------- */
.zones{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.zone{position:relative;display:flex;flex-direction:column;gap:10px;align-items:flex-start;
  background:linear-gradient(160deg,rgba(255,255,255,.08) 0%,rgba(255,255,255,.025) 100%);
  border:1px solid var(--card-border);border-radius:18px;padding:16px 14px 18px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);overflow:hidden;
  transition:transform .25s,border-color .25s,box-shadow .25s}
.zone:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:.75}
.zone:active{transform:scale(.985);border-color:rgba(55,211,255,.45);box-shadow:0 10px 26px rgba(30,80,200,.25)}
.zone .ic{width:40px;height:40px;border-radius:13px;background:var(--grad);display:flex;align-items:center;
  justify-content:center;font-size:19px;box-shadow:0 6px 18px rgba(63,123,255,.4);flex:0 0 auto}
.zone>div:last-child{width:100%}
.zone h4{font-size:14.5px;font-weight:700;letter-spacing:.3px;line-height:1.45}
.zone p{font-size:11.5px;color:var(--sub);margin-top:6px;line-height:1.68}

/* ---------- 为什么选择（卡片式） ---------- */
.why{background:linear-gradient(180deg,rgba(63,123,255,.08),rgba(138,107,255,.05));border-top:1px solid rgba(120,180,255,.08)}
.why-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.why-item{position:relative;overflow:hidden;border-radius:18px;padding:0;
  background:linear-gradient(160deg,rgba(63,123,255,.18) 0%,rgba(138,107,255,.06) 100%);
  border:1px solid rgba(120,180,255,.22);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:transform .25s,border-color .25s,box-shadow .25s}
.why-item:before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;z-index:2;
  background:linear-gradient(90deg,var(--cyan),rgba(138,107,255,.2))}
.why-item:hover{transform:translateY(-3px);border-color:rgba(55,211,255,.5);box-shadow:0 12px 32px rgba(30,80,200,.3)}
.why-item:active{transform:scale(.985);border-color:rgba(55,211,255,.5);box-shadow:0 10px 26px rgba(30,80,200,.28)}
.why-item .wi-img{position:relative;height:128px;overflow:hidden}
.why-item .wi-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.why-item:hover .wi-img img{transform:scale(1.06)}
.why-item .wi-img:after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(9,15,38,.82))}
.why-item .wi-body{position:relative;padding:14px 14px 18px}
.why-item .no{position:absolute;top:6px;right:12px;font-size:36px;font-weight:800;line-height:1;
  color:rgba(140,190,255,.16);letter-spacing:0;pointer-events:none}
.why-item h4{font-size:14.5px;font-weight:700;letter-spacing:.3px;line-height:1.45;padding-right:30px}
.why-item p{font-size:11.5px;color:var(--sub);margin-top:6px;line-height:1.68}

/* ---------- 上届回顾 ---------- */
.review-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.rs{background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:20px 14px;text-align:center}
.rs .num{font-size:27px;font-weight:800;color:#fff}
.rs .num em{font-style:normal;font-size:13px;color:var(--cyan)}
.rs .lab{font-size:11.5px;color:var(--sub);margin-top:6px}
.satis{display:flex;gap:10px;margin-top:12px}
.satis .s{flex:1;text-align:center;background:linear-gradient(160deg,rgba(55,211,255,.12),rgba(63,123,255,.06));border:1px solid rgba(55,211,255,.25);border-radius:16px;padding:16px 6px}
.satis .p{font-size:23px;font-weight:800;color:var(--cyan)}
.satis .l{font-size:11px;color:var(--sub);margin-top:4px}
.review-note{font-size:12px;color:var(--sub);margin-top:16px;text-align:center}
.review-note b{color:var(--gold)}

/* ---------- 大会（卡片式） ---------- */
.conf-banner{border-radius:20px;padding:26px 20px;text-align:center;background:var(--grad);box-shadow:0 12px 40px rgba(63,123,255,.35);margin-bottom:18px}
.conf-banner h4{font-size:20px;font-weight:800;color:#fff;letter-spacing:1px}
.conf-banner p{font-size:11px;color:rgba(255,255,255,.85);margin-top:6px;letter-spacing:1px}
.conf-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}
.conf-stats .cs{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:10px 4px}
.conf-stats .n{font-size:17px;font-weight:800;color:#fff}
.conf-stats .l{font-size:10px;color:rgba(255,255,255,.8);margin-top:2px}
.forums{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.forum{position:relative;display:flex;flex-direction:column;align-items:stretch;
  background:linear-gradient(160deg,rgba(255,255,255,.08) 0%,rgba(255,255,255,.025) 100%);
  border:1px solid var(--card-border);border-radius:18px;padding:0;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);overflow:hidden;margin-bottom:0;
  transition:transform .25s,border-color .25s,box-shadow .25s}
.forum:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:2;background:var(--grad);opacity:.75}
.forum .f-img{position:relative;height:118px;overflow:hidden}
.forum .f-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.forum:hover .f-img img{transform:scale(1.06)}
.forum .f-img:after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(9,15,38,.82))}
.forum .f-body{position:relative;padding:13px 14px 16px}
.forum:active{transform:scale(.985);border-color:rgba(55,211,255,.45);box-shadow:0 10px 26px rgba(30,80,200,.25)}
.forum .fn{font-size:11px;font-weight:800;letter-spacing:1.5px;color:var(--gold);
  background:rgba(255,207,92,.1);border:1px solid rgba(255,207,92,.3);border-radius:8px;padding:2px 9px}
.forum .ft{font-size:12.5px;color:#dce9ff;line-height:1.68}

/* ---------- 上届参展企业 LOGO 墙 ---------- */
.logo-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.plogo{height:88px;display:flex;align-items:center;justify-content:center;padding:14px 18px;
  background:rgba(255,255,255,.95);border-radius:14px;border:1px solid rgba(255,255,255,.16);
  transition:transform .25s,box-shadow .25s}
.plogo:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,80,200,.3)}
.plogo img{max-width:100%;max-height:100%;object-fit:contain}
.plogo.is-text span{font-size:14px;font-weight:700;color:#24406e;letter-spacing:1px;text-align:center;line-height:1.4}
.plogo .ph{font-size:11.5px;font-weight:700;color:#93a7c7;letter-spacing:2.5px;
  border:1.5px dashed #b6c6de;border-radius:10px;padding:10px 24px}

/* ---------- 流程（卡片式） ---------- */
.flow{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;position:relative}
.flow:before{display:none}
.step{position:relative;overflow:hidden;margin-bottom:0;border-radius:18px;padding:0;
  background:linear-gradient(160deg,rgba(63,123,255,.18) 0%,rgba(138,107,255,.06) 100%);
  border:1px solid rgba(120,180,255,.22);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:transform .25s,border-color .25s,box-shadow .25s}
.step:before{content:"";position:absolute;top:-34px;right:-34px;left:auto;width:92px;height:92px;border-radius:50%;
  background:radial-gradient(circle,rgba(55,211,255,.26),transparent 70%);box-shadow:none;z-index:2;pointer-events:none}
.step:active{transform:scale(.985);border-color:rgba(55,211,255,.5);box-shadow:0 10px 26px rgba(30,80,200,.28)}
.step .s-img{position:relative;height:116px;overflow:hidden}
.step .s-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.step:hover .s-img img{transform:scale(1.06)}
.step .s-img:after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(9,15,38,.86))}
.step .s-body{position:relative;padding:12px 14px 16px}
.step h5{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px;
  font-size:14.5px;font-weight:700;line-height:1.45}
.step h5 .idx{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:1.5px;color:#fff;
  background:var(--grad);border-radius:7px;padding:3px 9px;margin-right:0;box-shadow:0 4px 12px rgba(63,123,255,.35)}
.step p{position:relative;font-size:11.5px;color:var(--sub);margin-top:8px;line-height:1.68}

/* ---------- 联系 ---------- */
.contact{text-align:center;padding-bottom:90px}
.contact-card{background:var(--card);border:1px solid var(--card-border);border-radius:20px;padding:26px 20px;backdrop-filter:blur(10px)}
.contact-card .big{font-size:22px;font-weight:800;color:#fff}
.contact-card .big em{font-style:normal;color:var(--cyan)}
.contact-card .qr{width:132px;height:132px;margin:18px auto 0;border-radius:14px;background:#fff;padding:8px;display:block}
.contact-line{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13.5px;color:#cfe0ff;margin-top:12px;word-break:break-all}
.contact-line svg{flex:0 0 15px}
.copy-btn{margin-top:18px;display:inline-block;font-size:13px;color:var(--cyan);border:1px solid rgba(55,211,255,.4);border-radius:99px;padding:9px 26px;background:rgba(55,211,255,.06);cursor:pointer}

/* ---------- 底部吸底CTA ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:flex;gap:10px;justify-content:center;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,11,30,.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid rgba(120,180,255,.14)}
.sticky-cta .btn{flex:1;max-width:280px;text-align:center;padding:12px 0;font-size:14px}

/* ---------- 站点页脚 ---------- */
#footer{position:relative;z-index:1;margin-top:10px;border-top:1px solid rgba(120,180,255,.14);
  background:linear-gradient(180deg,rgba(10,18,40,.55),rgba(4,8,20,.95))}
.footer-main{display:grid;grid-template-columns:1fr;gap:26px;padding:44px var(--wp) 28px}
.f-brand .logo-img{height:32px}
.f-brand .logo-text{font-size:22px}
.f-intro{font-size:12.5px;color:var(--sub);margin-top:14px;max-width:340px;line-height:1.85}
.f-col h5{font-size:13px;color:#fff;letter-spacing:1px;margin-bottom:12px;font-weight:700}
.f-col a,.f-col p{display:block;font-size:12.5px;color:var(--sub);text-decoration:none;margin-bottom:9px;line-height:1.75}
.f-col a:hover{color:var(--cyan)}
.f-col p b{color:#dce9ff;font-weight:600}
/* 页脚组织单位：标签固定 5 个全角字符宽（如「承办单位：」），多单位换行后与第一个单位名对齐 */
.f-col p.f-org{padding-left:5em;text-indent:-5em}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center;
  padding:16px var(--wp) 100px;border-top:1px solid rgba(120,180,255,.1);font-size:11.5px;color:#54688f;text-align:center}
.fsep{color:#31415f}
.fsite-wrap{color:#54688f}
.fsite{color:var(--cyan);text-decoration:none}
.fsite:hover{text-decoration:underline}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:20px;bottom:100px;z-index:70;width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(140,190,255,.35);background:rgba(10,18,40,.85);color:#cfe3ff;font-size:19px;
  cursor:pointer;opacity:0;pointer-events:none;transition:.25s;backdrop-filter:blur(10px);line-height:1;padding-bottom:4px}
.to-top.on{opacity:1;pointer-events:auto}
.to-top:hover{border-color:var(--cyan);color:#fff}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}
@media (min-width:600px){
  .hero h1{font-size:44px}
  .time-row{grid-template-columns:repeat(3,1fr)}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .stats{grid-template-columns:repeat(4,1fr);gap:16px}
  .stats .num{font-size:30px}
  .zones{grid-template-columns:repeat(3,1fr)}
  .forums{grid-template-columns:repeat(3,1fr)}
  .zone h4,.why-item h4{font-size:15.5px}
  .zone p,.why-item p,.forum .ft,.step p{font-size:12px}
}

/* ---------- 宽屏（桌面）自适应 ---------- */
@media (min-width:900px){
  section{padding-top:78px;padding-bottom:78px}
  .sec-head{margin-bottom:42px}
  .sec-head h3{font-size:30px}
  .sec-head p{font-size:14px}
  /* 首屏 */
  .hero{padding-top:44px;padding-bottom:30px}
  .hero h1{font-size:56px;letter-spacing:5px}
  .hero h2{font-size:17px;letter-spacing:9px}
  .hero .en{font-size:12px;letter-spacing:2px}
  .hero .date-box{padding:20px 46px}
  .hero .date-box .d{font-size:34px}
  .hero .date-box .v{font-size:14px}
  .cta-row{margin-top:30px}
  .cta-row .btn{padding:15px 42px;font-size:16px}
  .stat{padding:15px 10px}
  .stat .num{font-size:38px}
  .stat .lab{font-size:12px}
  /* 展会介绍配图 / 组织机构 / 时间栏 */
  .about p{font-size:14.5px}
  .orgs{gap:16px}
  .time-row{grid-template-columns:repeat(5,1fr);gap:12px}
  .day{padding:18px 8px 15px}
  .day .d-date{font-size:19px}
  .day .d-hours{font-size:11.5px}
  /* 卡片网格 */
  .zones{grid-template-columns:repeat(3,1fr);gap:16px}
  .why-list{grid-template-columns:repeat(2,1fr);gap:16px}
  .forums{grid-template-columns:repeat(3,1fr);gap:16px}
  .flow{grid-template-columns:repeat(4,1fr);gap:16px}
  .logo-wall{grid-template-columns:repeat(4,1fr);gap:14px}
  .plogo{height:96px}
  .review-stats{grid-template-columns:repeat(3,1fr);gap:16px}
  .conf-stats{grid-template-columns:repeat(6,1fr)}
  .conf-banner{padding:34px 30px;margin-bottom:22px}
  .conf-banner h4{font-size:26px}
  .conf-banner p{font-size:12px}
  .conf-stats .n{font-size:22px}
  .conf-stats .l{font-size:11px}
  .rs{padding:26px 16px}
  .rs .num{font-size:32px}
  .satis{gap:16px}
  .satis .p{font-size:28px}
  .satis .l{font-size:12px}
  .review-note{font-size:13px;margin-top:22px}
  .zone{padding:20px 18px 22px}
  .step .s-body{padding:16px 18px 20px}
  .why-item .wi-body,.forum .f-body{padding:16px 18px 20px}
  .why-item .wi-img{height:160px}
  .forum .f-img{height:150px}
  .step .s-img{height:150px}
  .zone h4{font-size:16px}
  .why-item h4,.step h5{font-size:16px}
  .zone p,.why-item p,.forum .ft,.step p{font-size:12.5px;line-height:1.8}
  .why-item .no{font-size:46px;top:0;right:14px}
  .forum .ft{font-size:13px}
  .step h5 .idx{font-size:11px;padding:4px 11px}
  /* 联系 */
  .contact{padding-bottom:78px}
  .contact-card{padding:36px 30px;max-width:580px;margin:0 auto}
  .contact-card .big{font-size:26px}
  .contact-line{font-size:15px;margin-top:14px}
  /* 站点式导航 / 页脚 */
  .main-nav{display:flex}
  .nav-cta{display:inline-block}
  .nav-toggle{display:none}
  .mobile-menu{display:none !important}
  .sticky-cta{display:none}
  .footer-main{grid-template-columns:1.4fr .8fr 1fr 1.3fr;gap:34px;padding:64px var(--wp) 40px}
  .footer-bottom{padding:20px var(--wp) 32px;font-size:12px}
  .to-top{right:34px;bottom:34px}
}
@media (min-width:1400px){
  .hero h1{font-size:64px}
  .hero .date-box .d{font-size:38px}
}

/* ================= 上届参展企业：首页「查看全部」按钮 ================= */
.row-hidden{display:none !important}
.logo-more{display:flex;justify-content:center;margin-top:26px}
.logo-more .btn{display:inline-flex;align-items:center;gap:9px}
.logo-more .arrow{display:inline-block;transition:transform .25s}
.logo-more .btn:hover .arrow{transform:translateX(4px)}

/* 菜单项增至 8 个：中等桌面宽度下压缩一点，避免顶栏拥挤 */
@media (min-width:900px) and (max-width:1099px){
  .nav-link{padding:9px 9px;font-size:13px}
  .nav-link.on:after{left:9px;right:9px}
  .logo-img{max-width:150px}
}

/* ================= 参展企业独立页（partners.html） ================= */
.page-hero{position:relative;padding:64px var(--wp) 24px;text-align:center;overflow:hidden}
.page-hero:before{content:"";position:absolute;left:50%;top:-40px;transform:translateX(-50%);
  width:min(880px,94%);height:360px;border-radius:50%;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(63,123,255,.24) 0%,rgba(90,60,220,.12) 46%,transparent 74%)}
.page-hero>*{position:relative}
.page-hero .tag{display:inline-flex;align-items:center;gap:12px;font-size:12px;letter-spacing:4px;
  color:var(--cyan);text-transform:uppercase}
.page-hero .tag:before,.page-hero .tag:after{content:"";width:30px;height:1px}
.page-hero .tag:before{background:linear-gradient(90deg,transparent,rgba(55,211,255,.6))}
.page-hero .tag:after{background:linear-gradient(90deg,rgba(55,211,255,.6),transparent)}
.page-hero h1{font-size:28px;font-weight:800;letter-spacing:2px;margin-top:12px;
  background:linear-gradient(120deg,#fff 25%,#8fd0ff 65%,#b9a0ff);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.page-hero .sub{font-size:13.5px;color:var(--sub);margin:14px auto 0;max-width:760px;line-height:1.85;text-align:center}
.page-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:660px;margin:26px auto 0}
.page-stats .ps{position:relative;background:var(--card);border:1px solid var(--card-border);border-radius:16px;
  padding:14px 8px;backdrop-filter:blur(10px);overflow:hidden}
.page-stats .ps:before{content:"";position:absolute;top:0;left:20%;right:20%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.75}
.page-stats .n{font-size:21px;font-weight:800;background:var(--grad);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.page-stats .l{font-size:11px;color:var(--sub);margin-top:3px;letter-spacing:.5px}

.ex-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.ex-list{padding-top:0}
.ex-search{position:relative;flex:1 1 240px;max-width:420px}
.ex-search input{width:100%;padding:12px 18px 12px 42px;border-radius:99px;font-size:13.5px;
  border:1px solid var(--card-border);background:rgba(255,255,255,.05);color:var(--text);outline:none;transition:.22s}
.ex-search input::placeholder{color:#6b80a6}
.ex-search input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(55,211,255,.13);background:rgba(255,255,255,.08)}
.ex-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;
  fill:none;stroke:#7d93b8;stroke-width:2}
.ex-count{font-size:12.5px;color:var(--sub);margin-left:auto}
.ex-count b{color:var(--cyan);font-size:15px;font-weight:800;padding:0 2px}

.logo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.lg-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  min-height:110px;padding:16px 14px;border-radius:16px;background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.16);
  transition:transform .25s,box-shadow .25s,border-color .25s}
.lg-item:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,80,200,.34);border-color:rgba(55,211,255,.5)}
.lg-item .lg-img{display:flex;align-items:center;justify-content:center;width:100%;flex:1}
.lg-item .lg-img img{display:block;max-width:100%;max-height:54px;object-fit:contain}
.lg-item .lg-txt{font-size:12.5px;font-weight:700;color:#24406e;letter-spacing:.5px;text-align:center;line-height:1.45}
.lg-item .lg-name{font-size:11.5px;color:#5d7699;line-height:1.45;text-align:center;letter-spacing:.2px}
.lg-item .lg-name:empty{display:none}
.lg-hidden{display:none !important}
.ex-empty{padding:52px 0;text-align:center;color:var(--sub);font-size:13.5px}
.ex-note{font-size:12px;color:var(--sub);text-align:center;margin-top:26px;line-height:1.8}
.ex-cta{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:24px}

@media (min-width:600px){
  .page-hero{padding-top:74px}
  .page-hero h1{font-size:34px}
  .page-stats .n{font-size:24px}
  .logo-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .lg-item{min-height:124px}
  .lg-item .lg-img img{max-height:62px}
}
@media (min-width:900px){
  .page-hero{padding:96px var(--wp) 30px}
  .page-hero h1{font-size:40px}
  .page-hero .sub{font-size:14.5px;margin-top:18px}
  .page-stats{max-width:720px;margin-top:32px}
  .page-stats .n{font-size:28px}
  .page-stats .l{font-size:12px}
  .logo-grid{grid-template-columns:repeat(4,1fr);gap:16px}
  .lg-item{min-height:140px;padding:20px 16px}
  .lg-item .lg-img img{max-height:70px}
  .lg-item .lg-name{font-size:12px}
  .ex-note{font-size:12.5px;margin-top:34px}
  .ex-bar{margin-bottom:26px}
}
@media (min-width:1200px){
  .logo-grid{grid-template-columns:repeat(5,1fr)}
}