/* ============================================================
   广东云益科技官网 · 设计系统 tech.css v1.1 (2026-10-08)
   风格：蓝绿科技 / 深色玻璃拟态 / 发光渐变
   适配 ASP.NET 母版结构 + 兼容旧富文本类名
   ============================================================ */

:root{
  --teal:#14B8A6;
  --teal-d:#0D9488;
  --cyan:#22D3EE;
  --cyan-d:#06B6D4;
  --blue:#38BDF8;
  --ink:#071521;
  --ink-2:#0B1E2D;
  --panel:#0E2438;
  --panel-2:#12304A;
  --line:rgba(94,234,212,.14);
  --txt:#EAF6F3;
  --txt-2:rgba(214,236,232,.68);
  --txt-3:rgba(190,226,220,.45);
  --grad:linear-gradient(135deg,#06B6D4 0%,#14B8A6 100%);
  --grad-soft:linear-gradient(135deg,rgba(6,182,212,.16),rgba(20,184,166,.16));
  --glow:0 0 24px rgba(34,211,238,.35);
  --radius:14px;
  --font:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{font-family:var(--font);background:var(--ink);color:var(--txt);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:color .25s}
img{max-width:100%;display:block}
ul,ol{list-style:none}
::selection{background:rgba(20,184,166,.4)}

/* ---------- 通用容器 ---------- */
.container{width:min(1200px,92%);margin:0 auto}
.section{padding:90px 0;position:relative}
.section.alt{background:var(--ink-2)}
.grid-bg{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(94,234,212,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(94,234,212,.05) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 75%)}

/* ---------- 区块标题 ---------- */
.sec-head{text-align:center;margin-bottom:56px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.35em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.sec-kicker::before,.sec-kicker::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
.sec-kicker::after{background:linear-gradient(90deg,var(--cyan),transparent)}
.sec-title{font-size:34px;font-weight:700;letter-spacing:.02em;background:linear-gradient(90deg,#fff 30%,#8DE8DD);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-sub{color:var(--txt-2);margin-top:12px;font-size:15px}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .35s;padding:18px 0;
  background:linear-gradient(180deg,rgba(7,21,33,.85),rgba(7,21,33,0));backdrop-filter:blur(2px)}
.site-header.scrolled{background:rgba(7,21,33,.92);backdrop-filter:blur(14px);padding:10px 0;border-bottom:1px solid var(--line);box-shadow:0 8px 32px rgba(0,0,0,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo-img{width:42px;height:42px;object-fit:contain;flex:none}
.logo-mark{width:42px;height:42px;border-radius:11px;background:var(--grad);display:flex;align-items:center;justify-content:center;box-shadow:var(--glow);flex:none}
.logo-mark svg{width:24px;height:24px}
.logo-text{line-height:1.2}
.logo-cn{font-size:19px;font-weight:700;color:#fff;letter-spacing:.04em}
.logo-en{font-size:10.5px;color:var(--txt-3);letter-spacing:.22em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.nav li{position:relative;white-space:nowrap}
.nav>li>a{display:block;padding:10px 13px;font-size:14.5px;color:var(--txt-2);border-radius:9px;letter-spacing:.02em}
.nav>li>a:hover,.nav>li.on>a{color:#fff;background:rgba(34,211,238,.1)}
.nav>li.on>a{box-shadow:inset 0 -2px 0 var(--teal)}
.nav .list{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%,8px);min-width:200px;
  background:rgba(11,30,45,.97);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:12px;padding:8px;
  opacity:0;visibility:hidden;transition:all .28s;box-shadow:0 18px 48px rgba(0,0,0,.5)}
.nav li:hover .list{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav .list a{display:block;padding:9px 14px;font-size:13.5px;color:var(--txt-2);border-radius:8px;white-space:nowrap}
.nav .list a:hover{color:#fff;background:var(--grad-soft)}
.nav .list a::before{content:"\25B8 ";color:var(--teal);font-size:11px}
.nav-cta{margin-left:14px;padding:9px 22px;border-radius:999px;background:var(--grad);color:#03110d;font-weight:700;font-size:14px;box-shadow:var(--glow)}
.nav-cta:hover{filter:brightness(1.12);color:#03110d}

/* ---------- 移动端汉堡按钮（桌面隐藏） ---------- */
.menu-btn{display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:42px;height:42px;flex:none;border-radius:10px;border:1px solid rgba(141,232,221,.3);background:rgba(20,184,166,.08);cursor:pointer;padding:0}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:#9BE8DF;transition:transform .3s,opacity .3s}
.menu-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.active span:nth-child(2){opacity:0}
.menu-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mask{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,17,27,.94) 8%,rgba(6,17,27,.72) 42%,rgba(6,17,27,.28) 75%),
             linear-gradient(0deg,rgba(7,21,33,.95) 2%,transparent 30%)}
.hero-inner{position:relative;z-index:2;width:min(1200px,92%);margin:0 auto;padding:130px 0 100px}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(34,211,238,.35);background:rgba(13,148,136,.12);font-size:12.5px;color:#9BE8DF;letter-spacing:.06em;margin-bottom:26px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:52px;line-height:1.22;font-weight:800;letter-spacing:.01em;max-width:720px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{margin:24px 0 40px;font-size:17px;color:var(--txt-2);max-width:600px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.04em;transition:all .3s;cursor:pointer;border:0}
.btn-primary{background:var(--grad);color:#03110d;box-shadow:0 10px 34px rgba(20,184,166,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(34,211,238,.5);color:#03110d}
.btn-ghost{border:1px solid rgba(141,232,221,.4);color:#C9F2EC;background:rgba(20,184,166,.06)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(34,211,238,.12);color:#fff}
.hero-stats{display:flex;gap:52px;margin-top:64px;flex-wrap:wrap}
.stat-num{font-size:34px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-variant-numeric:tabular-nums}
.stat-label{font-size:13px;color:var(--txt-3);letter-spacing:.08em;margin-top:4px}
.hero-wave{position:absolute;bottom:-1px;left:0;right:0;z-index:3}
.hero-wave svg{display:block;width:100%;height:70px}

/* ---------- 业务卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--panel);border:1px solid var(--line);transition:all .4s;display:flex;flex-direction:column}
.svc-card:hover{transform:translateY(-8px);border-color:rgba(34,211,238,.5);box-shadow:0 24px 54px rgba(0,0,0,.45),var(--glow)}
.svc-media{position:relative;aspect-ratio:4/3;overflow:hidden}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.svc-card:hover .svc-media img{transform:scale(1.08)}
.svc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,30,45,.95))}
.svc-tag{position:absolute;top:14px;left:14px;z-index:2;padding:5px 13px;border-radius:999px;font-size:11.5px;letter-spacing:.1em;background:rgba(7,21,33,.7);border:1px solid rgba(34,211,238,.4);color:#9BE8DF;backdrop-filter:blur(6px)}
.svc-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column}
.svc-body h3{font-size:19px;font-weight:700;margin-bottom:10px;color:#fff}
.svc-body p{font-size:13.5px;color:var(--txt-2);flex:1}
.svc-link{margin-top:18px;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--cyan);font-weight:600}
.svc-link::after{content:"\2192";transition:transform .3s}
.svc-card:hover .svc-link::after{transform:translateX(5px)}

/* ---------- 特性/优势 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{padding:30px 26px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);position:relative;overflow:hidden;transition:all .35s}
.feat:hover{border-color:rgba(20,184,166,.5);transform:translateY(-5px)}
.feat::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.feat:hover::before{transform:scaleX(1)}
.feat-ico{width:52px;height:52px;border-radius:13px;background:var(--grad-soft);border:1px solid rgba(34,211,238,.3);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feat-ico svg{width:26px;height:26px;stroke:var(--cyan)}
.feat h3{font-size:17.5px;font-weight:700;margin-bottom:9px}
.feat p{font-size:13.5px;color:var(--txt-2)}

/* ---------- 校园信息化模块带 ---------- */
.campus-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.campus-item{padding:20px 10px;text-align:center;border-radius:12px;background:var(--panel);border:1px solid var(--line);transition:all .3s}
.campus-item:hover{background:var(--panel-2);border-color:rgba(34,211,238,.45);transform:translateY(-4px)}
.campus-item .ci{font-size:24px;margin-bottom:10px;display:block;color:var(--cyan)}
.campus-item .ci svg{width:28px;height:28px;display:inline-block;stroke:var(--cyan)}
.campus-item span{font-size:12.8px;color:var(--txt-2);display:block;line-height:1.5}

/* ---------- 关于我们横幅 ---------- */
.about-band{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about-band h3{font-size:30px;font-weight:800;margin-bottom:18px;line-height:1.4}
.about-band h3 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.about-band p{color:var(--txt-2);font-size:15px;margin-bottom:14px}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-pt{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:var(--txt-2)}
.about-pt b{color:#9BE8DF}
.about-visual{position:relative}
.about-visual .frame{position:absolute;inset:-14px;border:1px solid rgba(34,211,238,.25);border-radius:20px;pointer-events:none}
.about-visual .frame::before,.about-visual .frame::after{content:"";position:absolute;width:22px;height:22px;border-color:var(--cyan);border-style:solid}
.about-visual .frame::before{top:-1px;left:-1px;border-width:2px 0 0 2px;border-radius:6px 0 0 0}
.about-visual .frame::after{bottom:-1px;right:-1px;border-width:0 2px 2px 0;border-radius:0 0 6px 0}
.about-visual img{border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.5)}

/* ---------- CTA ---------- */
.cta-band{position:relative;border-radius:22px;overflow:hidden;padding:64px 56px;
  background:linear-gradient(120deg,rgba(6,182,212,.18),rgba(20,184,166,.18)),var(--panel-2);
  border:1px solid rgba(34,211,238,.3);display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.25),transparent 70%)}
.cta-band h3{font-size:27px;font-weight:800;margin-bottom:8px}
.cta-band p{color:var(--txt-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:#050F18;border-top:1px solid var(--line);padding:64px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:420px;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand p{color:var(--txt-3);font-size:13.5px;margin-top:16px}
.f-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-left:14px}
.f-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--grad)}
.f-links a{display:block;font-size:13.5px;color:var(--txt-3);padding:5px 0}
.f-links a:hover{color:var(--cyan)}
.f-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--txt-2);padding:6px 0;align-items:flex-start}
.f-contact svg{width:16px;height:16px;stroke:var(--teal);flex:none;margin-top:4px}
.footer-bar{border-top:1px solid rgba(94,234,212,.08);padding:20px 0;text-align:center;font-size:12.5px;color:var(--txt-3);line-height:2}
.footer-bar a{color:var(--txt-3)}
.footer-bar a:hover{color:var(--cyan)}
.end .center{display:none} /* 隐藏旧页脚结构防重复（若残留） */

/* ---------- 内页 ---------- */
.page-hero{position:relative;padding:170px 0 84px;overflow:hidden;background:var(--ink-2)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(94,234,212,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(94,234,212,.05) 1px,transparent 1px);background-size:40px 40px;opacity:.55}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(20,184,166,.22),transparent 70%)}
.crumb{position:relative;z-index:2;font-size:13px;color:var(--txt-3);letter-spacing:.05em;margin-bottom:14px}
.crumb a{color:var(--txt-3)}.crumb a:hover{color:var(--cyan)}
.crumb i{font-style:normal;margin:0 8px;color:var(--teal)}
.page-title{position:relative;z-index:2;font-size:38px;font-weight:800}
.page-title .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-en{position:relative;z-index:2;font-size:12px;letter-spacing:.3em;color:var(--txt-3);text-transform:uppercase;margin-top:8px}

/* 内页两栏（关于/产品/人才 等） */
.page-body{display:grid;grid-template-columns:250px 1fr;gap:40px;padding:70px 0 100px;align-items:start}
.side-box{position:sticky;top:96px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);padding:22px 18px}
.side-title{font-size:17px;font-weight:700;padding:2px 10px 14px;border-bottom:1px solid var(--line);margin-bottom:14px;color:#fff}
.side-nav li{margin:3px 0}
.side-nav li a,.side-nav li span{display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:10px;font-size:14px;color:var(--txt-2);transition:all .25s}
.side-nav li a:hover{color:#fff;background:rgba(34,211,238,.08)}
.side-nav li span a{padding:8px 6px;font-size:13px;color:var(--txt-3)}
.side-nav .act,.side-nav a.act,.side-nav li a .act{background:var(--grad-soft);color:#fff;border:1px solid rgba(34,211,238,.3);box-shadow:inset 3px 0 0 var(--teal)}
/* 兼容服务端 leftnavi 输出的旧结构 */
.side-nav .bgz,.bgz{display:block;padding:11px 13px;border-radius:10px;font-size:14px;color:var(--txt-2);transition:all .25s;border:1px solid transparent;margin:3px 0}
.side-nav a:hover .bgz,.a:hover>.bgz{color:#fff;background:rgba(34,211,238,.08)}
.bgz p{font-size:14px;line-height:1.5;color:inherit}
.bgz.act{background:var(--grad-soft);border-color:rgba(34,211,238,.3)!important;box-shadow:inset 3px 0 0 var(--teal)}
.bgz.act p{color:#fff!important}

/* 内容区（服务端 body 富文本） */
.main-box{border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);padding:44px 48px;min-height:520px}
.main-title{display:flex;align-items:center;gap:14px;font-size:24px;font-weight:700;color:#fff;margin-bottom:6px;flex-wrap:wrap}
.main-title::before{content:"";width:5px;height:24px;border-radius:3px;background:var(--grad);box-shadow:var(--glow)}
.main-line{height:1px;background:linear-gradient(90deg,rgba(34,211,238,.5),transparent);margin:16px 0 30px}
.con{color:var(--txt-2);font-size:14.8px;overflow:hidden}
.con img{border-radius:10px;margin:14px auto;max-width:100%;background:#fff;padding:6px;border:1px solid var(--line);box-sizing:content-box;max-height:640px;object-fit:contain}
.con p{margin:12px 0}
.con h5,.con .productmainSname{font-size:18.5px;font-weight:700;color:#fff;margin:30px 0 14px;padding-left:13px;border-left:4px solid var(--teal);line-height:1.5}
.con ul{margin:14px 0}
.con li{position:relative;padding:7px 0 7px 20px;color:var(--txt-2)}
.con li::before{content:"";position:absolute;left:2px;top:16px;width:7px;height:7px;border-radius:2px;background:var(--grad);transform:rotate(45deg)}
.con a{color:var(--cyan)}
.con table{border-collapse:collapse;margin:16px 0;width:100%}
.con td,.con th{border:1px solid var(--line);padding:9px 13px;font-size:13.8px}
.con blockquote{border-left:4px solid var(--teal);background:rgba(20,184,166,.06);padding:14px 20px;border-radius:0 10px 10px 0;margin:16px 0;color:var(--txt-2)}
.jianjie{display:flex;align-items:center;gap:14px}
.jianjie img{display:none} /* 旧装饰下划线图隐藏 */
.con .bgimg{background:transparent!important}

/* 新闻列表 */
.news-list{display:grid;gap:16px}
.news-item{display:grid;grid-template-columns:120px 1fr;gap:26px;padding:26px 28px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);transition:all .3s}
.news-item:hover{border-color:rgba(34,211,238,.45);transform:translateX(6px)}
.news-date{text-align:center;border-right:1px solid var(--line);padding-right:20px}
.news-date b{display:block;font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.news-date span{font-size:12px;color:var(--txt-3);letter-spacing:.1em}
.news-item h3{font-size:17.5px;font-weight:700;margin-bottom:8px}
.news-item h3 a:hover{color:var(--cyan)}
.news-item p{font-size:13.5px;color:var(--txt-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 招商/联系 */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-card{padding:34px 30px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);text-align:center;transition:all .3s}
.contact-card:hover{border-color:rgba(34,211,238,.45);transform:translateY(-5px)}
.contact-card .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:14px;background:var(--grad-soft);border:1px solid rgba(34,211,238,.3);display:flex;align-items:center;justify-content:center}
.contact-card .ico svg{width:27px;height:27px;stroke:var(--cyan)}
.contact-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.contact-card p{font-size:14.5px;color:var(--cyan);font-weight:600;letter-spacing:.03em}
.contact-card small{display:block;color:var(--txt-3);margin-top:6px;font-size:12.5px}

/* ---------- 分页控件（AspNetPager） ---------- */
.nyrightsall{overflow:hidden}
.paginator{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:6px 0}
.paginator a,.paginator span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border-radius:9px;font-size:13.5px;color:var(--txt-2);background:var(--panel);border:1px solid var(--line);transition:all .25s}
.paginator a:hover{color:#fff;border-color:rgba(34,211,238,.5);background:var(--panel-2)}
.paginator span{background:var(--grad);color:#03110d;font-weight:700;border:0;box-shadow:var(--glow)}
.paginator .firstcss{letter-spacing:.05em}

/* 滚动浮现（渐进增强：默认可见，JS 加载后才隐藏并动画） */
.reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.js-ready .reveal:not(.in){opacity:0;transform:translateY(28px)}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .campus-strip{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-band{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:42px}
}
@media(max-width:860px){
  /* 移动端抽屉导航 */
  .menu-btn{display:flex}
  .site-header{background:rgba(7,21,33,.92);backdrop-filter:blur(14px)}
  .nav{display:flex;position:fixed;top:0;right:0;width:min(80vw,320px);height:100vh;flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:84px 16px 40px;background:rgba(8,22,34,.98);backdrop-filter:blur(18px);border-left:1px solid var(--line);
    box-shadow:-24px 0 60px rgba(0,0,0,.5);overflow-y:auto;transform:translateX(100%);transition:transform .35s ease;z-index:201}
  .nav.open{transform:translateX(0)}
  .nav-mask{display:block;position:fixed;inset:0;background:rgba(3,10,16,.62);opacity:0;visibility:hidden;transition:.3s;z-index:200}
  .nav-mask.open{opacity:1;visibility:visible}
  .nav>li{white-space:normal}
  .nav>li>a{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;font-size:15.5px;border-radius:10px}
  .nav>li.has-sub>a::after{content:"";width:8px;height:8px;border-right:2px solid var(--txt-3);border-bottom:2px solid var(--txt-3);transform:rotate(-45deg);transition:transform .3s;margin-left:8px;flex:none}
  .nav>li.has-sub.open>a::after{transform:rotate(135deg)}
  .nav .list{position:static;opacity:1;visibility:visible;transform:none;min-width:0;max-height:0;overflow:hidden;
    margin:0;padding:0 0 0 16px;background:transparent;border:0;box-shadow:none;border-radius:0;transition:max-height .35s ease}
  .nav>li.open .list{max-height:420px;margin-bottom:6px}
  .nav .list a{white-space:normal;padding:10px 12px}
  .nav-cta{padding:8px 14px;font-size:13px;margin-left:8px}
  .hero h1{font-size:33px}
  .hero-stats{gap:30px}
  .page-body{grid-template-columns:1fr}
  .side-box{position:static}
  .main-box{padding:26px 22px}
  .feat-grid{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
  .campus-strip{grid-template-columns:repeat(2,1fr)}
  .news-item{grid-template-columns:1fr}
  .news-date{border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px;display:flex;gap:10px;align-items:baseline}
  .join-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 28px}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
}

/* ===== 广益名片小程序入口区（2026-10-10 新增） ===== */
.xcx-band{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(13,148,136,.08));
  border:1px solid var(--line);border-radius:20px;padding:44px 48px;position:relative;overflow:hidden}
.xcx-band::before{content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.14),transparent 70%)}
.xcx-title{font-size:30px;margin:10px 0 12px}
.xcx-sub{color:var(--txt-2);line-height:1.9;margin-bottom:22px}
.xcx-entry{display:flex;flex-direction:column;gap:12px}
.xcx-way{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.65);
  border:1px solid var(--line);border-radius:12px;padding:12px 18px;font-size:15px}
.xcx-way b{flex:none;padding:3px 10px;border-radius:999px;background:var(--brand,#2563eb);color:#fff;font-size:12.5px;font-weight:600}
.xcx-way span{color:var(--txt-1)}
.xcx-qr{display:flex;flex-direction:column;align-items:center;gap:14px;position:relative;z-index:2}
.xcx-qr-box{width:190px;height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:#fff;border:2px dashed rgba(37,99,235,.45);border-radius:18px;padding:18px;text-align:center}
.xcx-qr-box svg{width:44px;height:44px;color:#2563eb}
.xcx-qr-box b{font-size:17px;color:#111827}
.xcx-qr-box span{font-size:12.5px;color:#6b7280;line-height:1.7}
.xcx-qr-tip{font-size:12.5px;color:var(--txt-3)}
@media (max-width:820px){
  .xcx-band{grid-template-columns:1fr;gap:28px;padding:30px 24px}
  .xcx-title{font-size:24px}
}