:root{--bg: #f6f7fb;--accent: #8b5cf6;--accent-dark: #7a3ff0;--text: #222}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app{max-width:420px;margin:0 auto;height:100vh;display:flex;flex-direction:column;background:#fff;box-shadow:0 0 10px #0000001a}.top{background-color:#f8f9fa;display:flex;align-items:center;justify-content:center;padding:0 16px;border-bottom:1px solid #eee;position:relative;font-size:16px;box-shadow:0 0 10px #0000001a}.top .title{font-weight:600;color:#222;font-size:25px}.top .controls{position:absolute;right:16px;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:16px;color:#666;font-size:18px}.video-area{background:linear-gradient(90deg,#dff3ff,#f0f6ff);position:relative}.video-placeholder{height:220px;background:linear-gradient(90deg,#dfe9ff,#eef5ff);border-radius:10px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.video-placeholder video{width:100%;height:100%;border-radius:10px;background:#000}#prismPlayer{overflow:hidden;width:100%;height:100%}.intro-section{padding:16px;background-color:#f8f9fa}.intro-title{display:flex;justify-content:center;margin-bottom:12px;position:relative}.intro-title:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px}.intro-title span{font-size:20px;font-weight:600;color:#333}.intro-card{background-color:#fff;padding:70px 20px;text-align:center;box-shadow:0 2px 4px #0000001a}.folder-icon{font-size:48px;margin-bottom:16px;opacity:.5}.no-data{font-size:14px;color:#999}.banner{font-size:14px;color:#0b66a3;margin-top:8px;text-align:center;font-weight:500;line-height:1.4}.tabs{display:flex;background:#fff;padding:0 16px;border-bottom:1px solid #eee;position:relative}.tab{flex:1;background:transparent;border:0;padding:12px 0;border-radius:0;color:#666;font-size:15px;font-weight:500;cursor:pointer;transition:all .3s ease}.tab.active{color:var(--accent);font-weight:600}.tab{position:relative}.tab.active:after{content:"";position:absolute;left:50%;transform:translate(-50%);bottom:0;width:36px;height:3px;border-radius:2px;background:var(--accent);transition:all .3s ease}.chat-wrap{flex:1;overflow:auto;padding:12px 16px;background:#f8f9fa}.messages{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.msg{display:flex;align-items:flex-start;gap:10px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.msg-body{display:flex;flex-direction:column;max-width:75%}.nick{font-size:12px;color:#7a7a7a;margin-bottom:6px;font-weight:500}.avatar{width:36px;height:36px;border-radius:50%;flex:0 0 36px;background:#4a90e2;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;box-shadow:0 2px 4px #0000001a;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='%23fff' d='M12 12c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm0 2c-3.31 0-6 2.69-6 6v2h12v-2c0-3.31-2.69-6-6-6z'/></svg>");background-repeat:no-repeat;background-position:center;background-size:60%}.bubble{max-width:100%;padding:12px 16px;border-radius:18px;background:#fff;color:#111;line-height:1.5;font-family:Helvetica Neue,PingFang SC,Microsoft YaHei,微软雅黑,Arial,sans-serif;overflow-wrap:break-word;text-align:left;display:block;font-size:14px;box-shadow:0 1px 3px #0000001a;transition:all .2s ease}.bubble.other{background:var(--accent);color:#fff;border-bottom-left-radius:6px}.bubble.me{background:#fff;border:1px solid #eee;margin-left:auto;color:#222;border-bottom-right-radius:6px}.msg.new .bubble{animation:msgIn .28s ease}@keyframes msgIn{0%{transform:translateY(6px) scale(.98);opacity:0}to{transform:none;opacity:1}}.input-area{display:flex;gap:8px;padding:12px 16px;border-top:1px solid #eee;background:#fff;align-items:center}.input-area input{flex:1;padding:12px 16px;border-radius:24px;border:1px solid #e0e0e0;background:#fafafa;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,微软雅黑,Arial,sans-serif;font-size:14px;transition:all .2s ease}.input-area input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 2px #8b5cf61a}.el-icon-s-promotion{width:44px;height:44px;border-radius:50%;background:#f51b6e;border:0;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;font-size:26px;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 6px #f332a94d}.el-icon-s-promotion:hover{transform:scale(1.05);box-shadow:0 3px 8px #f52e4966}.el-icon-s-promotion:active{transform:scale(.95)}.heart{width:44px;height:44px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#dde752,#f2f52f,#d4d648,#f1f504);border:1px solid #97979700;color:#fa070b;display:flex;align-items:center;justify-content:center;font-size:30px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #ffd7004d,inset 0 2px 4px #ffffff80,inset 0 -2px 4px #ffc1074d;position:relative;perspective:1000px}.heart:before{content:"";position:absolute;inset:4px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.8),transparent 50%);pointer-events:none}.heart:hover{background:radial-gradient(circle at 30% 30%,#fff,#fcd232,gold,#ffed4e);transform:scale(1.1) rotateX(10deg) rotateY(10deg);box-shadow:0 8px 20px #ffd70066,inset 0 2px 4px #fff9,inset 0 -2px 4px #ffc10766;color:#cf1322}.heart:active{transform:scale(.95) rotateX(0) rotateY(0);box-shadow:0 2px 8px #ffd7004d,inset 0 2px 4px #fff6,inset 0 -2px 4px #ffc10733}.actions{position:fixed;right:16px;bottom:80px;z-index:100}.el-icon-edit-outline{width:56px;height:56px;border-radius:50%!important;background:#fff!important;border:2px solid #fff!important;display:flex!important;align-items:center!important;justify-content:center!important;flex-direction:column!important;font-size:15px!important;text-decoration:none!important;cursor:pointer!important;transition:all .3s ease!important;box-shadow:0 4px 12px #0000001a!important;padding:0!important;line-height:1!important;color:#000}.el-icon-edit-outline:hover{transform:scale(1.1)!important;box-shadow:0 6px 16px #5dbfe680!important}.el-icon-edit-outline:active{transform:scale(.95)!important}.el-icon-edit-outline:before{font-size:35px!important;margin-bottom:2px!important;margin-right:0!important}.el-icon-s-promotion:before{margin:0!important;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;line-height:1}.floating-heart{position:fixed;right:80px;bottom:120px;font-size:24px;pointer-events:none;opacity:1;transform:translateY(0);transition:transform .9s linear,opacity .9s linear;color:#ff4d4f;text-shadow:0 2px 4px rgba(255,77,79,.3)}@media(max-width:768px){.app{width:100%;box-shadow:none}.video-placeholder{height:40vw;min-height:150px;max-height:250px}#player{height:40vw!important;min-height:150px!important;max-height:250px!important}.chat-wrap{padding:10px}.messages{gap:10px}.input-area{padding:10px;gap:6px}.input-area input{padding:10px 14px;font-size:14px}.el-icon-s-promotion,.heart{width:40px;height:40px}.heart{font-size:20px}.el-icon-s-promotion:before{margin:0!important;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;line-height:1}.el-icon-edit-outline{width:56px;height:56px}.el-icon-edit-outline:before{font-size:28px!important}.bubble{padding:10px 14px;font-size:13px}.avatar{width:32px;height:32px}.top{height:50px}.tabs{padding:0 12px}.tab{padding:10px 0;font-size:14px}}@media(max-width:600px){.video-placeholder{height:39vw;min-height:145px}#player{height:39vw!important;min-height:145px!important}.el-icon-s-promotion,.heart{width:52px;height:52px}.heart{font-size:21px}.el-icon-s-promotion:before{margin:0!important;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;line-height:1}.el-icon-edit-outline{width:52px;height:52px}.el-icon-edit-outline:before{font-size:26px!important}}@media(max-width:480px){.video-placeholder{height:38vw;min-height:140px}#player{height:38vw!important;min-height:140px!important}.chat-wrap{padding:9px}.messages{gap:9px}.input-area{padding:9px;gap:5px}.input-area input{padding:9px 13px;font-size:13px}.el-icon-s-promotion,.heart{width:38px;height:38px}.heart{font-size:19px}.el-icon-s-promotion:before{margin:0!important;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;line-height:1}.bubble{padding:9px 13px;font-size:12.5px}.avatar{width:30px;height:30px}.nick{font-size:11.5px;margin-bottom:5px}}@media(max-width:375px){.video-placeholder{height:37vw;min-height:135px}#player{height:37vw!important;min-height:135px!important}.chat-wrap{padding:8px}.messages{gap:8px}.input-area{padding:8px;gap:4px}.input-area input{padding:8px 12px;font-size:13px}.el-icon-s-promotion,.heart{width:36px;height:36px}.heart{font-size:18px}.el-icon-s-promotion:before{margin:0!important;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;line-height:1}.el-icon-edit-outline{width:50px;height:50px}.el-icon-edit-outline:before{font-size:24px!important}.bubble{padding:8px 12px;font-size:12px}.avatar{width:28px;height:28px}.nick{font-size:11px;margin-bottom:4px}.tab{padding:9px 0;font-size:13px}}@media(max-width:320px){.video-placeholder{height:36vw;min-height:130px}#player{height:36vw!important;min-height:130px!important}.chat-wrap{padding:7px}.messages{gap:7px}.input-area{padding:7px;gap:3px}.input-area input{padding:7px 11px;font-size:12px}.el-icon-s-promotion,.heart{width:34px;height:34px}.heart{font-size:17px}.el-icon-s-promotion:before{margin:0!important;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;line-height:1}.el-icon-edit-outline{width:46px;height:46px}.el-icon-edit-outline:before{font-size:22px!important}.bubble{padding:7px 11px;font-size:11.5px}.avatar{width:26px;height:26px}.nick{font-size:10.5px;margin-bottom:3px}.top{height:36px;font-size:13px}.tabs{padding:0 10px}.tab{padding:8px 0;font-size:12px}}@media(min-width:769px){.app{box-shadow:0 0 10px #0000001a;margin:20px auto}.video-placeholder{height:250px}#player{height:250px!important}}@media(orientation:landscape)and (max-height:500px){.video-placeholder{height:30vh;min-height:120px;max-height:180px}#player{height:30vh!important;min-height:120px!important;max-height:180px!important}.chat-wrap{padding:8px}.messages{gap:6px}.input-area{padding:8px}.bubble{padding:8px 12px;font-size:12px}}@media(-webkit-device-pixel-ratio:2),(resolution:192dpi),(resolution:2dppx){.bubble{box-shadow:0 1px 3px #0000001a,0 0 0 1px #0000000d}.heart{box-shadow:0 4px 12px #ffd7004d,inset 0 1px 2px #ffffff80,inset 0 -1px 2px #ffc1074d}}