:root{--bg:#061411;--panel:#0c211d;--line:rgba(125,219,185,.18);--green:#42d19b;--mint:#a5f3d2;--text:#edf9f4;--muted:#91aaa1}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 10% 8%,#12362d 0,transparent 30%),linear-gradient(150deg,#061411,#081b18 58%,#071310);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;overflow-x:hidden}.glow{position:fixed;border-radius:50%;filter:blur(90px);opacity:.16;pointer-events:none}.glow-a{width:420px;height:420px;background:#2dd49a;right:-160px;top:140px}.glow-b{width:360px;height:360px;background:#c19b45;left:-180px;bottom:-100px}.topbar{height:84px;display:flex;align-items:center;justify-content:space-between;max-width:1440px;margin:auto;padding:0 5vw;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;color:inherit;text-decoration:none}.logo-shell{width:54px;height:54px;border-radius:15px;background:#f6f3e9;display:grid;place-items:center;box-shadow:0 10px 35px rgba(0,0,0,.26)}.logo-shell img{width:47px;height:47px;object-fit:contain}.brand strong{display:block;font-size:21px;letter-spacing:.08em}.brand small{display:block;color:var(--muted);margin-top:4px;font-size:12px}.online{color:#bcebd8;font-size:13px;padding:9px 13px;border:1px solid var(--line);border-radius:99px;background:rgba(73,183,143,.08)}.online i{display:inline-block;width:7px;height:7px;background:#47e6a7;border-radius:50%;box-shadow:0 0 12px #47e6a7;margin-right:6px}.hero{max-width:1440px;margin:auto;padding:62px 5vw 34px;display:grid;grid-template-columns:minmax(340px,.83fr) minmax(480px,1.17fr);gap:5vw;align-items:center}.intro{padding:12px 0}.eyebrow{font:600 11px/1.5 ui-monospace,monospace;letter-spacing:.17em;color:#6fd3ae}.intro h1{font-size:clamp(38px,4.2vw,68px);line-height:1.15;margin:20px 0 24px;letter-spacing:-.045em}.intro h1 em{font-style:normal;color:var(--mint);text-shadow:0 0 34px rgba(66,209,155,.16)}.intro>p{max-width:630px;font-size:17px;line-height:1.9;color:#a9beb6;margin:0 0 36px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.features article{min-height:118px;padding:17px 14px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(140deg,rgba(21,55,47,.85),rgba(10,28,24,.5));transition:.25s}.features article:hover{transform:translateY(-3px);border-color:rgba(125,219,185,.4)}.features b{display:block;color:#51dba7;font:600 12px ui-monospace,monospace;margin-bottom:16px}.features strong,.features small{display:block}.features strong{font-size:14px}.features small{color:#789188;font-size:11px;line-height:1.5;margin-top:7px}.chat-card{height:min(720px,77vh);min-height:590px;background:rgba(9,28,24,.9);border:1px solid rgba(125,219,185,.23);border-radius:25px;box-shadow:0 35px 100px rgba(0,0,0,.35),inset 0 1px rgba(255,255,255,.03);overflow:hidden;backdrop-filter:blur(18px)}.chat-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line);background:rgba(8,25,21,.75)}.chat-head>div{display:grid;grid-template-columns:12px auto;align-items:center;column-gap:10px}.chat-head strong{font-size:14px}.chat-head small{grid-column:2;color:#66837a;font-size:11px;margin-top:3px}.pulse{width:8px;height:8px;background:#44dfa5;border-radius:50%;box-shadow:0 0 0 5px rgba(68,223,165,.09)}.chat-head button{border:1px solid var(--line);color:#a4c6ba;background:#102d27;width:36px;height:36px;border-radius:10px;font-size:20px;cursor:pointer}.frame-wrap{height:calc(100% - 105px);position:relative;background:#fff}.frame-wrap iframe{position:relative;z-index:2;width:100%;height:100%;border:0;background:white}.loading{position:absolute;z-index:1;inset:0;display:grid;place-content:center;text-align:center;color:#55716a;background:#f6fbf9}.loading span{width:30px;height:30px;margin:auto;border:3px solid #d3ebe2;border-top-color:#2cb67d;border-radius:50%;animation:spin .8s linear infinite}.loading p{font-size:13px}.fallback{height:35px;display:flex;justify-content:center;align-items:center;font-size:11px;color:#66837a}.fallback a{color:#6fd3ae;margin-left:4px}.notice{max-width:1320px;margin:0 auto 34px;padding:0 5vw;text-align:center;color:#728c83;font-size:12px;line-height:1.7}footer{max-width:1320px;margin:auto;border-top:1px solid var(--line);padding:22px 5vw 30px;display:flex;justify-content:space-between;color:#8ca49b;font-size:12px}footer small{color:#536b63}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:980px){.hero{grid-template-columns:1fr;padding-top:42px}.intro{text-align:center}.intro>p{margin-left:auto;margin-right:auto}.features{text-align:left}.chat-card{height:760px;max-height:none}.eyebrow{font-size:10px}}
@media(max-width:600px){.topbar{height:72px;padding:0 18px}.logo-shell{width:45px;height:45px}.logo-shell img{width:40px;height:40px}.brand strong{font-size:17px}.brand small{font-size:10px}.online{font-size:0;padding:9px}.online i{margin:0}.hero{padding:32px 15px 24px;gap:30px}.intro h1{font-size:36px;margin-top:15px}.intro>p{font-size:14px;line-height:1.75}.features{grid-template-columns:1fr;gap:9px}.features article{min-height:auto;display:flex;gap:14px;align-items:center;padding:13px 15px}.features b{margin:0}.features small{margin-top:4px}.chat-card{height:720px;min-height:620px;border-radius:18px}.chat-head{height:62px;padding:0 15px}.frame-wrap{height:calc(100% - 97px)}footer{padding-left:18px;padding-right:18px;display:block;text-align:center}footer small{display:block;margin-top:8px}}