/* ============================================================
   信阳云嘉 · 用户端站点公共样式  v1.0  (2026-09-18)
   用于 /pc/ow/video/  /pc/ow/email/  /pc/ow/cloud/ 三个页面
   设计令牌与 /pc/home/index.html 保持一致，改这里即可三页同步
   ============================================================ */
:root{
  --bg:#04060d; --bg2:#0a0f1e;
  --panel:rgba(20,28,52,.5); --panel2:rgba(14,20,40,.72);
  --line:rgba(120,140,220,.14); --line2:rgba(140,160,255,.34);
  --t1:#eef2ff; --t2:#a6b1cd; --t3:#66738f;
  --acc:#4f7cff; --acc2:#7b5cff; --acc3:#22d3ee; --acc4:#f472b6;
  --grad:linear-gradient(135deg,#4f7cff,#7b5cff);
  --grad-ai:linear-gradient(135deg,#22d3ee,#4f7cff,#7b5cff,#f472b6);
  --ok:#22c55e; --warn:#f59e0b;
  --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--t1);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button{font-family:inherit}
::selection{background:rgba(79,124,255,.35)}

/* ---------- 全局背景层 ---------- */
.bg-scene{position:fixed;inset:0;z-index:-3;background:
  radial-gradient(ellipse 90% 55% at 50% -12%,rgba(79,124,255,.28),transparent 60%),
  radial-gradient(ellipse 60% 40% at 88% 18%,rgba(123,92,255,.2),transparent 60%),
  radial-gradient(ellipse 55% 45% at 8% 75%,rgba(34,211,238,.14),transparent 60%),
  radial-gradient(ellipse 45% 35% at 92% 85%,rgba(244,114,182,.1),transparent 60%),var(--bg)}
#neural{position:fixed;inset:0;z-index:-2;pointer-events:none}
.grid-overlay{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(120,140,220,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,140,220,.05) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(ellipse 75% 65% at 50% 18%,#000 15%,transparent 78%);
  mask-image:radial-gradient(ellipse 75% 65% at 50% 18%,#000 15%,transparent 78%)}
#cursor-glow{position:fixed;width:420px;height:420px;border-radius:50%;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(79,124,255,.14),transparent 70%);
  transform:translate(-50%,-50%);transition:opacity .3s}

/* ---------- 顶部导航 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:66px;
  backdrop-filter:blur(18px) saturate(140%);background:rgba(6,9,18,.55);
  border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 36px;gap:26px;transition:all .3s}
.nav.scrolled{background:rgba(6,9,18,.88);box-shadow:0 4px 30px rgba(0,0,0,.5)}
.nav .logo{display:flex;align-items:center;gap:10px;flex:none}
.nav .logo img{height:32px;width:auto;display:block}
.nav .links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav .links a{padding:8px 16px;font-size:14.5px;color:var(--t2);border-radius:9px;transition:all .2s;position:relative;white-space:nowrap}
.nav .links a:hover{color:#fff;background:rgba(120,140,220,.12)}
.nav .links a.active{color:#fff}
.nav .links a.active::after{content:"";position:absolute;bottom:2px;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--grad-ai)}
.nav .auth{display:flex;align-items:center;gap:14px;flex:none}
.nav .auth .login{font-size:14px;color:var(--t2);cursor:pointer}
.nav .auth .login:hover{color:#fff}
.nav .auth .reg{padding:7px 16px;border-radius:9px;font-size:14px;border:1px solid var(--line2);color:var(--t1);cursor:pointer;transition:all .2s}
.nav .auth .reg:hover{background:rgba(120,140,220,.15)}
.nav .auth .phone{font-size:14px;color:var(--acc3);font-weight:600;display:flex;align-items:center;gap:6px;white-space:nowrap}
.auth .console-btn{padding:7px 18px;border-radius:9px;font-size:14px;font-weight:600;color:#fff;
  background:var(--grad);text-decoration:none;display:inline-flex;align-items:center;
  box-shadow:0 4px 14px rgba(79,124,255,.35);transition:all .2s}
.auth .console-btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(79,124,255,.5)}
.auth .user-chip{display:inline-flex;align-items:center;gap:8px}
.auth .avatar{width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;
  font-size:13px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;flex:none}
.auth .uname{font-size:14px;color:var(--t1);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.auth .logout{font-size:13px;color:var(--t3);text-decoration:none;cursor:pointer;transition:color .2s}
.auth .logout:hover{color:var(--acc3)}
/* 有 token 时先隐藏"登录/注册"，避免已登录用户看到访客按钮后闪一下 */
html.has-token .auth .auth-guest{visibility:hidden}

/* ---------- 布局 ---------- */
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:84px 24px;max-width:1240px;margin:0 auto;position:relative;z-index:1}
.section-head{text-align:center;margin-bottom:56px}
.section-head .tag{display:inline-block;font-size:12.5px;color:var(--acc3);letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;
  padding:5px 14px;border-radius:20px;border:1px solid rgba(34,211,238,.25);background:rgba(34,211,238,.06)}
.section-head h2{font-size:clamp(26px,3.6vw,40px);font-weight:800;margin-bottom:14px;letter-spacing:-.5px}
.section-head p{color:var(--t2);max-width:660px;margin:0 auto;font-size:16px}

/* ---------- 页头 ---------- */
.page-hero{padding:132px 24px 56px;text-align:center;position:relative;z-index:1}
.page-hero .badge{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:30px;
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.28);font-size:13px;color:var(--acc3);margin-bottom:24px;letter-spacing:.5px}
.page-hero h1{font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.18;letter-spacing:-1.2px;margin-bottom:18px}
.page-hero h1 .grad-text{background:var(--grad-ai);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  background-size:200% 200%;animation:gradShift 4s ease infinite}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.page-hero .sub{font-size:clamp(14.5px,1.9vw,18px);color:var(--t2);max-width:760px;margin:0 auto;line-height:1.9}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:0;margin-top:34px}
.hero-stats .hs-item{padding:0 32px;text-align:center;border-right:1px solid var(--line)}
.hero-stats .hs-item:last-child{border-right:none}
.hero-stats .hs-num{font-size:30px;font-weight:800;background:var(--grad-ai);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stats .hs-lbl{font-size:13px;color:var(--t2)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:12px;
  font-size:15.5px;font-weight:600;cursor:pointer;transition:all .25s;border:none}
.btn.primary{background:var(--grad-ai);color:#fff;box-shadow:0 6px 28px rgba(79,124,255,.45);background-size:200% 200%;animation:gradShift 3s ease infinite}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 38px rgba(79,124,255,.6)}
.btn.ghost{background:rgba(120,140,220,.1);color:var(--t1);border:1px solid var(--line2)}
.btn.ghost:hover{background:rgba(120,140,220,.18);transform:translateY(-2px)}
.btn.sm{padding:9px 20px;font-size:14px;border-radius:10px}
.actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ---------- 卡片通用 ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;
  backdrop-filter:blur(10px);transition:all .35s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:0 18px 44px rgba(79,124,255,.2)}
.card .icon{width:54px;height:54px;border-radius:14px;background:var(--grad-ai);display:flex;align-items:center;
  justify-content:center;font-size:26px;margin-bottom:18px;box-shadow:0 6px 18px rgba(79,124,255,.35)}
.card h3{font-size:18.5px;font-weight:700;margin-bottom:9px}
.card p{color:var(--t2);font-size:14px;line-height:1.75}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}

/* ---------- 统计条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:32px 20px;
  text-align:center;backdrop-filter:blur(10px);transition:all .3s;position:relative;overflow:hidden}
.stat:hover{transform:translateY(-5px);border-color:var(--line2)}
.stat .num{font-size:42px;font-weight:800;background:var(--grad-ai);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:8px;font-variant-numeric:tabular-nums}
.stat .lbl{color:var(--t2);font-size:14px}

/* ---------- 胶囊标签 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chip{padding:10px 20px;border-radius:30px;border:1px solid var(--line);background:var(--panel2);
  font-size:14px;color:var(--t2);display:inline-flex;align-items:center;gap:8px;transition:all .3s;backdrop-filter:blur(8px)}
.chip:hover{border-color:var(--line2);color:#fff;transform:translateY(-3px)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--acc3);box-shadow:0 0 8px var(--acc3)}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:all .8s cubic-bezier(.16,.84,.44,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal[data-delay="1"]{transition-delay:.08s}.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}.reveal[data-delay="4"]{transition-delay:.32s}

/* ---------- CTA 区 ---------- */
.cta-section{padding:96px 24px;text-align:center;position:relative;z-index:1}
.cta-section h2{font-size:clamp(26px,3.6vw,40px);font-weight:800;margin-bottom:16px}
.cta-section p{color:var(--t2);margin-bottom:8px;font-size:16px}
.cta-checks{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin:22px 0 6px;color:var(--t3);font-size:14px}
.cta-checks span{display:inline-flex;align-items:center;gap:6px}
.cta-checks b{color:var(--ok);font-weight:700}

/* ---------- 站点页脚 ---------- */
.site-footer{margin-top:40px;border-top:1px solid var(--line);background:rgba(6,9,18,.6);padding:52px 24px 26px;position:relative;z-index:1}
.footer-inner{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.fbrand img{height:32px;margin-bottom:14px;display:block}
.fbrand p{color:var(--t3);font-size:13.5px;line-height:1.8;max-width:330px}
.fbrand .fcontact{color:var(--t2);font-size:13.5px;margin-top:10px;display:flex;align-items:center;gap:8px}
.fbrand .fcontact b{color:var(--acc3);font-size:15px}
.fcol h5{font-size:14.5px;font-weight:700;margin-bottom:14px;color:var(--t1)}
.fcol a{display:block;color:var(--t3);font-size:13.5px;padding:4px 0;transition:color .2s}
.fcol a:hover{color:var(--acc3)}
.fpartners{max-width:1240px;margin:34px auto 0;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.fpartners .fp{padding:7px 18px;border-radius:24px;border:1px solid var(--line);font-size:13px;color:var(--t2);background:var(--panel2)}
.fcopy{max-width:1240px;margin:22px auto 0;padding-top:20px;border-top:1px solid var(--line);
  text-align:center;color:var(--t3);font-size:12.5px;line-height:1.9}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px;
  background:rgba(2,4,10,.78);backdrop-filter:blur(6px)}
.modal.open{display:flex}
.modal-box{width:min(880px,100%);max-height:88vh;overflow:auto;background:#080c18;border:1px solid var(--line2);
  border-radius:18px;padding:26px;position:relative;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.modal-box.slim{width:min(560px,100%)}
.modal-close{position:absolute;top:14px;right:16px;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);
  background:rgba(120,140,220,.08);color:var(--t2);font-size:17px;cursor:pointer;line-height:1;transition:all .2s}
.modal-close:hover{background:rgba(120,140,220,.2);color:#fff}
.modal-box h3{font-size:20px;font-weight:700;margin:0 34px 8px 0;line-height:1.45}
.modal-meta{color:var(--t3);font-size:13px;margin-bottom:16px;display:flex;gap:16px;flex-wrap:wrap}
.modal-player{width:100%;border-radius:12px;background:#000;display:block;max-height:56vh}
.modal-desc{color:var(--t2);font-size:14px;line-height:1.85;margin-top:16px;word-break:break-word}
.modal-desc a{color:var(--acc3)}
.modal-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}

/* ---------- 提示条 ---------- */
.toast{position:fixed;left:50%;bottom:38px;transform:translateX(-50%) translateY(20px);z-index:300;
  padding:12px 26px;border-radius:12px;background:rgba(12,18,36,.96);border:1px solid var(--line2);
  color:var(--t1);font-size:14px;opacity:0;pointer-events:none;transition:all .3s}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.empty{text-align:center;color:var(--t3);padding:60px 20px;font-size:14.5px}
.skeleton{background:linear-gradient(90deg,rgba(120,140,220,.08),rgba(120,140,220,.02),rgba(120,140,220,.08));
  background-size:200% 100%;animation:sk 1.2s linear infinite;border-radius:12px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ---------- 响应式 ---------- */
@media(max-width:1000px){
  .grid3{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:900px){
  .nav{padding:0 18px;gap:14px}
  .nav .links a{display:none}
  .nav .links a.active{display:inline-block}
  .nav .auth .phone{display:none}
  .auth .uname{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .hero-stats .hs-item{padding:0 18px}
  .page-hero{padding:112px 18px 40px}
}
@media(max-width:620px){
  .grid3,.grid2{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:24px}
  .hero-stats{gap:16px}
  .hero-stats .hs-item{border-right:none;width:44%}
  .section{padding:60px 18px}
}