*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
background:#05070f;
color:#e8ecf4;
font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
line-height:1.6;
overflow-x:hidden;
-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;}
/* ========== 背景动效层 ========== */
.bg-fx{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;}
.orb{position:absolute;border-radius:50%;filter:blur(90px);will-change:transform;}
.orb-1{width:560px;height:560px;left:-160px;top:-180px;background:radial-gradient(circle,#00e5ff 0%,transparent 65%);opacity:.5;animation:drift1 18s ease-in-out infinite;}
.orb-2{width:520px;height:520px;right:-180px;top:26%;background:radial-gradient(circle,#7c4dff 0%,transparent 65%);opacity:.45;animation:drift2 22s ease-in-out infinite;}
.orb-3{width:480px;height:480px;left:28%;bottom:-220px;background:radial-gradient(circle,#ff3d9a 0%,transparent 65%);opacity:.32;animation:drift3 20s ease-in-out infinite;}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(90px,70px) scale(1.12);}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-80px,50px) scale(1.08);}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(70px,-60px) scale(1.1);}}
.grid-overlay{position:absolute;inset:0;
background-image:linear-gradient(rgba(120,180,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,255,.05) 1px,transparent 1px);
background-size:52px 52px;
-webkit-mask-image:radial-gradient(ellipse 85% 62% at 50% 0%,#000 25%,transparent 72%);
mask-image:radial-gradient(ellipse 85% 62% at 50% 0%,#000 25%,transparent 72%);}
/* ========== 通用 ========== */
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.reveal{opacity:1;}
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.js .reveal.in{opacity:1;transform:none;}
/* ========== 顶栏 ========== */
.topbar{position:relative;z-index:5;padding:20px 0;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;}
.topbar .back{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#8b96ad;transition:.3s;}
.topbar .back:hover{color:#00e5ff;transform:translateX(-3px);}
.topbar .brand{font-size:14px;letter-spacing:3px;color:#56637b;}
.topbar .brand i{color:#00e5ff;font-style:normal;}
.topbar .topbar-right{display:flex;align-items:center;gap:18px;}
.topbar .buy{display:inline-flex;align-items:center;padding:9px 26px;border-radius:30px;font-size:14px;font-weight:600;color:#05070f;
background:linear-gradient(135deg,#00e5ff,#7c4dff);box-shadow:0 6px 20px rgba(0,229,255,.3);transition:.3s;}
.topbar .buy:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(124,77,255,.45);}
/* ========== 首屏 ========== */
.hero{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:70px 20px 60px;overflow:hidden;}
.scanline{position:absolute;left:0;right:0;height:140px;background:linear-gradient(180deg,transparent,rgba(0,229,255,.07),transparent);pointer-events:none;animation:scan 7s linear infinite;}
@keyframes scan{0%{top:-20%;}100%{top:115%;}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 22px;border:1px solid rgba(0,229,255,.4);border-radius:30px;font-size:13px;letter-spacing:4px;color:#7fdfff;background:rgba(0,229,255,.05);margin-bottom:34px;animation:heroIn .9s ease both;}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:#00e5ff;box-shadow:0 0 12px #00e5ff;animation:blink 1.6s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}
.plugin-icon{width:96px;height:96px;border-radius:24px;display:flex;align-items:center;justify-content:center;margin-bottom:34px;
background:linear-gradient(135deg,rgba(0,229,255,.2),rgba(124,77,255,.2));border:1px solid rgba(0,229,255,.4);color:#00e5ff;
box-shadow:0 0 50px rgba(0,229,255,.35),inset 0 0 30px rgba(0,229,255,.12);animation:heroIn 1s .08s ease both;}
.plugin-icon svg{width:46px;height:46px;}
@keyframes heroIn{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:none;}}
.hero-title{font-size:clamp(36px,6vw,62px);font-weight:800;letter-spacing:3px;line-height:1.2;animation:heroIn 1s .16s ease both;}
.grad{background:linear-gradient(90deg,#00e5ff,#7c4dff,#ff3d9a,#00e5ff);background-size:300% 100%;
-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradShift 8s linear infinite;}
@keyframes gradShift{0%{background-position:0% 50%;}100%{background-position:300% 50%;}}
.hero-sub{max-width:680px;margin:26px auto 0;font-size:clamp(15px,2vw,18px);color:#9aa7c0;line-height:1.9;animation:heroIn 1s .28s ease both;}
.hero-sub em{font-style:normal;color:#00e5ff;font-weight:600;}
.hero-actions{margin-top:44px;display:flex;gap:18px;flex-wrap:wrap;justify-content:center;animation:heroIn 1s .4s ease both;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 40px;border-radius:40px;font-size:16px;font-weight:600;transition:.35s;cursor:pointer;}
.btn-primary{background:linear-gradient(135deg,#00e5ff,#7c4dff);color:#05070f;box-shadow:0 10px 34px rgba(0,229,255,.35);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(124,77,255,.5);}
.btn-ghost{border:1px solid rgba(255,255,255,.25);color:#e8ecf4;}
.btn-ghosts{border:1px solid rgba(255,255,255,.25);color:#070707;}
.btn-ghosts:hover{border-color:#00e5ff;color:#00e5ff;background:rgba(0,229,255,.06);transform:translateY(-3px);}
.btn-ghost:hover{border-color:#00e5ff;color:#00e5ff;background:rgba(0,229,255,.06);transform:translateY(-3px);}
.btn-demo{border:1px solid rgba(0,229,255,.55);color:#7fdfff;background:rgba(0,229,255,.08);box-shadow:0 0 0 rgba(0,229,255,0);}
.btn-demo:hover{transform:translateY(-3px);background:rgba(0,229,255,.16);box-shadow:0 0 26px rgba(0,229,255,.4);}
.btn-demo svg{width:16px;height:16px;}
.hero-stats{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;width:min(900px,100%);margin-top:60px;padding:30px 12px 0;border-top:1px solid rgba(255,255,255,.09);animation:heroIn 1s .52s ease both;}
.stat{flex:1;min-width:150px;}
.stat b{display:block;font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:34px;font-weight:700;color:#00e5ff;text-shadow:0 0 24px rgba(0,229,255,.4);}
.stat span{font-size:13px;color:#8b96ad;letter-spacing:1px;}
/* ========== 功能矩阵 ========== */
.plugins{position:relative;z-index:1;padding:100px 0 40px;border-top:1px solid rgba(255,255,255,.06);}
.sec-head{text-align:center;margin-bottom:70px;}
.sec-tag{display:inline-block;font-family:ui-monospace,Consolas,monospace;font-size:13px;letter-spacing:6px;color:#00e5ff;border:1px solid rgba(0,229,255,.3);padding:5px 16px;border-radius:4px;background:rgba(0,229,255,.05);}
.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:2px;margin:20px 0 12px;}
.sec-head p{color:#8b96ad;font-size:15px;}
/* 功能分组 */
.fgroup{margin-bottom:64px;}
.fgroup:last-child{margin-bottom:0;}
.fgroup-head{display:flex;align-items:center;gap:16px;margin-bottom:30px;}
.fgroup-head .icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex:none;
background:linear-gradient(135deg,rgba(0,229,255,.18),rgba(124,77,255,.18));border:1px solid rgba(0,229,255,.3);color:#00e5ff;}
.fgroup-head .icon svg{width:25px;height:25px;}
.fgroup-head .t{flex:1;}
.fgroup-head .t h3{font-size:23px;font-weight:700;letter-spacing:1px;}
.fgroup-head .t span{display:block;font-family:ui-monospace,Consolas,monospace;font-size:12px;letter-spacing:5px;color:#56637b;margin-top:4px;}
.fgroup-head .line{height:1px;flex:1;background:linear-gradient(90deg,rgba(0,229,255,.4),transparent);}
.fgroup-head .count{font-family:ui-monospace,Consolas,monospace;font-size:13px;color:#00e5ff;border:1px solid rgba(0,229,255,.3);padding:4px 14px;border-radius:20px;flex:none;}
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;}
.fcard{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:26px 24px;overflow:hidden;transition:.35s;}
.fcard::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,#00e5ff,transparent);opacity:0;transition:.35s;}
.fcard:hover{transform:translateY(-5px);border-color:rgba(0,229,255,.45);}
.fcard:hover::before{opacity:1;}
.fcard .icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
background:linear-gradient(135deg,rgba(0,229,255,.14),rgba(124,77,255,.14));border:1px solid rgba(0,229,255,.22);color:#00e5ff;transition:.35s;}
.fcard:hover .icon{box-shadow:0 0 20px rgba(0,229,255,.35);}
.fcard .icon svg{width:22px;height:22px;}
.fcard h3{font-size:17px;font-weight:700;letter-spacing:1px;margin-bottom:8px;}
.fcard p{font-size:13px;color:#8b96ad;line-height:1.75;margin:0;}
/* 技术亮点 */
.tech{position:relative;z-index:1;padding:80px 0 10px;}
.tech-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:50px;}
.tech-item{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:#aeb8d0;border:1px solid rgba(255,255,255,.1);border-radius:30px;padding:12px 24px;background:rgba(255,255,255,.02);transition:.35s;}
.tech-item:hover{border-color:rgba(0,229,255,.4);color:#00e5ff;transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,229,255,.1);}
.tech-item svg{width:18px;height:18px;color:#00e5ff;flex:none;}
/* ========== 联系 CTA ========== */
.cta{position:relative;z-index:1;padding:110px 0 130px;}
.cta-inner{position:relative;max-width:860px;margin:0 auto;text-align:center;border:1px solid rgba(0,229,255,.28);border-radius:24px;padding:64px 40px;
background:linear-gradient(160deg,rgba(0,229,255,.08),rgba(124,77,255,.06),transparent);
box-shadow:inset 0 0 60px rgba(0,229,255,.06),0 24px 60px rgba(0,0,0,.45);overflow:hidden;}
.cta-inner::before{content:'';position:absolute;top:-60px;left:50%;width:300px;height:140px;margin-left:-150px;background:radial-gradient(ellipse,rgba(0,229,255,.18),transparent 70%);}
.cta-inner h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;letter-spacing:2px;margin-bottom:14px;}
.cta-inner p{color:#9aa7c0;font-size:16px;}
.cta-inner .tel{font-family:ui-monospace,"Cascadia Code",Consolas,monospace;font-size:42px;font-weight:700;color:#00e5ff;text-shadow:0 0 30px rgba(0,229,255,.45);margin:26px 0 34px;letter-spacing:2px;}
.cta-inner .tel small{display:block;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:13px;color:#8b96ad;letter-spacing:4px;margin-bottom:8px;font-weight:400;text-shadow:none;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
/* ========== 页脚 ========== */
.footer{position:relative;z-index:1;text-align:center;padding:26px 20px 36px;border-top:1px solid rgba(255,255,255,.06);color:#56637b;font-size:13px;letter-spacing:1px;}
.footer-log{display:inline-block;margin:12px 8px 0;}
.footer-log a{display:inline-block;color:#7e93ad;font-size:12px;text-decoration:none;border:1px solid rgba(255,255,255,.16);border-radius:99px;padding:5px 18px;letter-spacing:1px;transition:.25s;}
.footer-log a:hover{color:#00e5ff;border-color:rgba(0,229,255,.5);}
/* ========== 返回顶部 ========== */
.backtop{position:fixed;right:28px;bottom:34px;z-index:50;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;
background:linear-gradient(135deg,rgba(0,229,255,.92),rgba(124,77,255,.92));color:#05070f;box-shadow:0 8px 24px rgba(0,229,255,.35);
opacity:0;visibility:hidden;transform:translateY(14px);transition:.35s;border:none;}
.backtop.show{opacity:1;visibility:visible;transform:none;}
.backtop:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(124,77,255,.5);}
.backtop svg{width:20px;height:20px;}
/* ========== 响应式 ========== */
@media screen and (max-width:768px){
.topbar .brand{display:none;}
.topbar .buy{padding:8px 20px;}
.hero{padding:50px 20px 60px;}
.hero-actions .btn{width:100%;justify-content:center;}
.hero-stats{margin-top:44px;}
.plugins{padding:70px 0 30px;}
.fgroup-head{flex-wrap:wrap;}
.cta{padding:80px 0 100px;}
.cta-inner{padding:48px 22px;}
.cta-inner .tel{font-size:30px;}
}
/* ========== 留言弹窗 ========== */
.btn{font-family:inherit;cursor:pointer;}
.modal-mask{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(3,5,12,.74);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:.3s;}
.modal-mask.show{opacity:1;visibility:visible;}
.modal{width:min(540px,100%);max-height:88vh;overflow-y:auto;background:linear-gradient(160deg,#0c1122,#070a16);border:1px solid rgba(0,229,255,.22);border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.55),0 0 40px rgba(124,77,255,.18);padding:28px 30px 30px;transform:translateY(24px) scale(.97);transition:.35s;}
.modal-mask.show .modal{transform:none;}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.modal-head h3{font-size:20px;letter-spacing:1px;background:linear-gradient(90deg,#00e5ff,#7c4dff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.modal-close{width:32px;height:32px;border:1px solid rgba(255,255,255,.14);border-radius:50%;background:rgba(255,255,255,.04);color:#8b96ad;font-size:18px;line-height:1;cursor:pointer;transition:.25s;display:flex;align-items:center;justify-content:center;}
.modal-close:hover{color:#00e5ff;border-color:rgba(0,229,255,.5);transform:rotate(90deg);}
.modal form{display:flex;flex-direction:column;gap:14px;}
.form-row{display:flex;gap:14px;}
.form-row .form-item{flex:1;}
.form-item label{display:block;font-size:13px;color:#8b96ad;margin-bottom:6px;letter-spacing:1px;}
.form-item label .req{color:#ff3d9a;margin-left:2px;}
.form-item input,.form-item select,.form-item textarea{width:100%;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:8px;color:#e8ecf4;font-size:14px;padding:11px 14px;outline:none;transition:.25s;font-family:inherit;}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{border-color:#00e5ff;box-shadow:0 0 0 3px rgba(0,229,255,.12);background:rgba(0,229,255,.04);}
.form-item select{appearance:none;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,#8b96ad 50%),linear-gradient(135deg,#8b96ad 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-right:36px;}
.form-item select option{background:#0c1122;color:#e8ecf4;}
.form-item textarea{resize:vertical;min-height:96px;}
.form-submit{width:100%;margin-top:4px;padding:13px;border:none;border-radius:30px;font-size:15px;font-weight:600;color:#05070f;background:linear-gradient(135deg,#00e5ff,#7c4dff);box-shadow:0 8px 24px rgba(0,229,255,.28);cursor:pointer;transition:.3s;font-family:inherit;}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(124,77,255,.45);}
@media screen and (max-width:768px){
.form-row{flex-direction:column;}
.modal{padding:24px 20px 26px;}
}