:root{--cyan:#79e9ff;--blue:#1988ff;--text:#f2fbff;--muted:#7895aa}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;background:#000;color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;overflow:hidden}button{font-family:inherit}
.app{position:relative;width:min(100vw,430px);height:100dvh;min-height:720px;margin:auto;overflow:hidden;background:#020914}
.tech-bg{position:absolute;inset:0;background:
radial-gradient(circle at 50% -15%,rgba(38,162,255,.32),transparent 34%),
radial-gradient(circle at 10% 40%,rgba(0,212,255,.08),transparent 27%),
radial-gradient(circle at 88% 68%,rgba(24,103,255,.13),transparent 30%),
linear-gradient(180deg,#020713,#03111f 50%,#02070e)}
.grid{position:absolute;inset:0;opacity:.2;background-image:linear-gradient(rgba(69,184,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(69,184,255,.05) 1px,transparent 1px);background-size:34px 34px;transform:perspective(700px) rotateX(67deg) translateY(50%);transform-origin:center bottom}
.beam{position:absolute;width:560px;height:82px;border-radius:50%;filter:blur(22px);mix-blend-mode:screen}
.beam-a{left:-300px;top:17%;background:linear-gradient(90deg,transparent,rgba(0,207,255,.65),transparent);transform:rotate(-26deg);animation:b1 6s ease-in-out infinite alternate}
.beam-b{right:-300px;top:38%;background:linear-gradient(90deg,transparent,rgba(31,117,255,.68),transparent);transform:rotate(19deg);animation:b2 8s ease-in-out infinite alternate}
.beam-c{left:-220px;bottom:12%;background:linear-gradient(90deg,transparent,rgba(139,240,255,.38),transparent);transform:rotate(7deg);animation:b3 10s ease-in-out infinite alternate}
@keyframes b1{to{transform:translate(90px,-26px) rotate(-16deg)}}@keyframes b2{to{transform:translate(-80px,24px) rotate(10deg)}}@keyframes b3{to{transform:translate(100px,-18px) rotate(1deg)}}
.energy-line{position:absolute;width:520px;height:1px;background:linear-gradient(90deg,transparent,#5ee3ff,transparent);box-shadow:0 0 16px #31cfff;opacity:.22}.e1{top:56%;left:-100px;transform:rotate(-12deg);animation:slide 8s linear infinite}.e2{top:72%;right:-120px;transform:rotate(14deg);animation:slide2 10s linear infinite}@keyframes slide{50%{left:30px}}@keyframes slide2{50%{right:20px}}
#particleCanvas{position:absolute;inset:0;width:100%;height:100%}.scanline{position:absolute;left:0;right:0;top:-10%;height:1px;background:linear-gradient(90deg,transparent,rgba(155,238,255,.55),transparent);box-shadow:0 0 16px rgba(102,221,255,.46);animation:scan 6.5s linear infinite}@keyframes scan{to{top:110%}}
.screen{position:absolute;inset:0;z-index:2;opacity:0;pointer-events:none;transform:translateY(8px);transition:.46s}.screen.active{opacity:1;pointer-events:auto;transform:none}
.cover-content{height:100%;padding:18px 20px 24px;text-align:center;position:relative}
.cover-logo{width:150px;height:auto;max-height:150px;display:block;margin:0 auto 4px;object-fit:contain;image-rendering:auto;filter:drop-shadow(0 0 16px rgba(78,206,255,.16))}
.welcome-small{font-size:18px;letter-spacing:8px;margin-top:7px}.cover-title{font-size:40px;line-height:1.15;margin:18px 0 26px;font-weight:950;text-shadow:0 0 20px rgba(70,194,255,.17)}
.system-card{position:relative;text-align:left;padding:21px 116px 21px 21px;border-radius:18px;border:1px solid rgba(133,226,255,.34);background:linear-gradient(180deg,rgba(5,30,53,.86),rgba(3,16,30,.9));box-shadow:inset 0 0 26px rgba(35,158,217,.06)}
.system-label{font-size:8px;letter-spacing:1.2px;color:#76ddff;margin-bottom:12px}.system-card p{margin:0;font-size:14px;line-height:1.9;color:#dbeaf3}.system-card strong{color:#8feaff}
.mini-core{position:absolute;right:18px;top:50%;transform:translateY(-50%);width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,#dfffff 0 2%,#62dfff 9%,#0a70ad 30%,#05233e 58%,#031321 75%);border:1px solid rgba(134,233,255,.55);box-shadow:0 0 28px rgba(62,200,255,.28)}.mini-core:before{content:"";position:absolute;width:112px;height:42px;border:1px solid rgba(111,225,255,.3);border-radius:50%;transform:rotate(-18deg);animation:orbit 7s linear infinite}.mini-core span{font-size:25px;font-weight:900}
.fill-title{font-size:29px;font-weight:900;margin-top:32px}.fill-tip{font-size:12px;color:#a4bac8;margin-top:16px}
.primary-btn{border:1px solid rgba(216,252,255,.96);color:#03101a;background:linear-gradient(180deg,#e5fbff,#99eaff 44%,#4ecfff 100%);box-shadow:0 0 28px rgba(50,198,255,.46),0 0 64px rgba(16,117,255,.20),inset 0 0 18px rgba(255,255,255,.5)}
.pulse-btn{animation:pulse 1.7s ease-in-out infinite}@keyframes pulse{50%{transform:scale(1.04);box-shadow:0 0 38px rgba(78,216,255,.68),0 0 82px rgba(27,116,255,.30)}}
#startBtn{position:absolute;left:20px;right:20px;bottom:72px;height:72px;border-radius:18px;font-size:20px;font-weight:900;display:flex;align-items:center;justify-content:center;gap:16px;overflow:hidden}#startBtn:after,.wechat-btn:after{content:"";position:absolute;top:0;bottom:0;width:24%;left:-40%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.9),transparent);transform:skewX(-18deg);animation:sweep 2.7s linear infinite}@keyframes sweep{to{left:128%}}
.floor-ring{position:absolute;left:50%;bottom:17px;width:250px;height:48px;transform:translateX(-50%);border-radius:50%;border:1px solid rgba(73,211,255,.23);box-shadow:0 0 30px rgba(57,195,255,.15),inset 0 0 30px rgba(40,137,255,.09);animation:floorPulse 2.2s ease-in-out infinite}@keyframes floorPulse{50%{transform:translateX(-50%) scale(1.08);opacity:.55}}
.reveal{opacity:0;transform:translateY(12px);animation:reveal .62s ease forwards}.r1{animation-delay:.15s}.r2{animation-delay:.32s}.r3{animation-delay:.5s}.r4{animation-delay:.68s}.r5{animation-delay:.82s}.r6{animation-delay:.98s}@keyframes reveal{to{opacity:1;transform:none}}
.chat-topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 17px 12px}.brand-line{display:flex;gap:10px;align-items:center}.brand-line img{width:58px;height:auto;object-fit:contain;image-rendering:auto}.brand-line strong{display:block;font-size:15px}.brand-line span{display:block;margin-top:4px;font-size:9px;color:#7394aa}.step{font-size:11px;color:#7fdfff}.step b{font-size:18px}
.progress-track{height:3px;margin:0 18px;background:rgba(255,255,255,.05);border-radius:20px;overflow:hidden}.progress-track i{display:block;width:20%;height:100%;background:linear-gradient(90deg,#69e5ff,#1884ff);box-shadow:0 0 14px rgba(77,213,255,.65);transition:.42s}
.chat-stream{height:calc(100% - 90px);overflow-y:auto;padding:18px 15px 34px;scrollbar-width:none}.chat-stream::-webkit-scrollbar{display:none}.turn{margin-bottom:18px;animation:turnIn .42s ease both}@keyframes turnIn{from{opacity:0;transform:translateY(10px) scale(.985)}}
.ai-line{display:flex;align-items:flex-start;gap:10px}.avatar{width:60px;height:60px;object-fit:cover;border-radius:18px;background:#f7fbff;border:2px solid rgba(145,233,255,.65);box-shadow:0 0 28px rgba(58,190,255,.22)}
.msg{max-width:78%;padding:14px 15px;border-radius:18px 18px 18px 6px;background:linear-gradient(180deg,rgba(7,35,62,.94),rgba(4,20,37,.96));border:1px solid rgba(101,210,255,.28);font-size:14px;line-height:1.75}.user-line{display:flex;justify-content:flex-end;margin-top:10px}.user-line .msg{border-radius:18px 18px 6px 18px;background:linear-gradient(135deg,#0f7dc2,#0d4f9c)}
.option-wrap{margin:12px 0 0 70px;display:flex;flex-direction:column;gap:10px}.option-btn{position:relative;text-align:left;padding:14px 16px 14px 46px;border-radius:13px;border:1px solid rgba(111,219,255,.24);background:linear-gradient(180deg,rgba(6,30,53,.9),rgba(3,17,31,.96));color:#f1fbff;font-size:13px;opacity:0;transform:translateY(8px);animation:optionIn .38s ease forwards}.option-btn:nth-child(2){animation-delay:.07s}.option-btn:nth-child(3){animation-delay:.14s}.option-btn:nth-child(4){animation-delay:.21s}.option-btn:nth-child(5){animation-delay:.28s}.option-btn:nth-child(6){animation-delay:.35s}@keyframes optionIn{to{opacity:1;transform:none}}.option-btn:before{content:"✦";position:absolute;left:17px;top:50%;transform:translateY(-50%);color:#91efff;text-shadow:0 0 12px #3ed7ff}
.typing{display:inline-flex;gap:5px}.typing i{width:5px;height:5px;border-radius:50%;background:#94efff;animation:dot 1s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes dot{50%{opacity:.25;transform:translateY(-3px)}}
.analysis-wrap{height:100%;padding:20px 17px;overflow:hidden}.analysis-head{display:flex;gap:10px;align-items:center}.analysis-head img{width:58px;height:auto;object-fit:contain}.analysis-head strong{display:block;font-size:15px}.analysis-head span{display:block;margin-top:4px;font-size:9px;color:#7290a5}
.analysis-progress{height:4px;margin-top:16px;background:rgba(255,255,255,.05);border-radius:20px;overflow:hidden}.analysis-progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,#64e3ff,#1588ff);box-shadow:0 0 14px rgba(68,208,255,.65);transition:width 11s linear}
.analysis-engine{position:relative;width:290px;height:290px;margin:14px auto 5px;display:grid;place-items:center}.engine-core{position:relative;width:118px;height:118px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 42% 33%,#efffff 0 2%,#60e1ff 9%,#0b82d3 28%,#052949 58%,#031220 78%);border:1px solid rgba(145,236,255,.64);box-shadow:0 0 42px rgba(58,207,255,.42),0 0 100px rgba(23,111,255,.22),inset 0 0 32px rgba(112,229,255,.24);animation:corePulse 2s ease-in-out infinite}.engine-core span{font-size:39px;font-weight:900}
.scan-disc{position:absolute;border-radius:50%;border:1px solid rgba(92,218,255,.22)}.disc1{width:174px;height:174px;animation:orbit 6s linear infinite}.disc2{width:220px;height:220px;border-style:dashed;animation:orbitRev 10s linear infinite}.disc3{width:268px;height:82px;transform:rotate(-10deg);animation:tilt 8s linear infinite}
.orbit-path{position:absolute;border-radius:50%;border:2px solid transparent;border-top-color:#64e6ff;border-right-color:rgba(31,116,255,.8);filter:drop-shadow(0 0 7px #33ceff)}.path1{width:198px;height:198px;animation:orbit 4.6s linear infinite}.path2{width:244px;height:244px;animation:orbitRev 7s linear infinite}.path3{width:260px;height:125px;transform:rotate(22deg);animation:tilt2 9s linear infinite}
.light-column{position:absolute;width:24px;height:150px;bottom:-35px;background:linear-gradient(180deg,rgba(79,221,255,.8),rgba(35,132,255,.04));filter:blur(10px);opacity:.55}
.node{position:absolute;width:7px;height:7px;border-radius:50%;background:#9af1ff;box-shadow:0 0 12px #4ad8ff;animation:blink 1.7s ease-in-out infinite}.n1{left:35px;top:85px}.n2{right:40px;top:62px}.n3{left:70px;bottom:44px}.n4{right:72px;bottom:54px}.n5{left:138px;top:13px}.n6{right:125px;bottom:11px}@keyframes blink{50%{opacity:.2;transform:scale(.65)}}@keyframes corePulse{50%{transform:scale(1.04)}}@keyframes orbit{to{transform:rotate(360deg)}}@keyframes orbitRev{to{transform:rotate(-360deg)}}@keyframes tilt{to{transform:rotate(350deg)}}@keyframes tilt2{to{transform:rotate(382deg)}}
.analysis-list{border:1px solid rgba(112,213,255,.18);border-radius:17px;padding:8px 14px;background:rgba(3,18,32,.8)}.analysis-item{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.045);font-size:12px;color:#b6c8d2}.analysis-item:last-child{border-bottom:0}.analysis-item b{font-size:10px;color:#617c8f}.analysis-item.running b{color:#8eeaff}.analysis-item.done b{color:#c2f6ff}
.thinking-card{margin-top:12px;padding:13px;border-radius:14px;background:rgba(3,15,28,.76);border:1px solid rgba(107,203,243,.12);text-align:center}.thinking-card span{display:block;font-size:10px;color:#738da0}.thinking-card strong{display:block;margin-top:5px;font-size:12px}.thinking-dots{display:flex;justify-content:center;gap:5px;margin-top:8px}.thinking-dots i{width:5px;height:5px;border-radius:50%;background:#72e7ff;animation:dot 1s infinite}
#screen-report{overflow:hidden}.report-scroll{height:100%;overflow-y:auto;padding:18px 14px 0;scrollbar-width:none}.report-scroll::-webkit-scrollbar{display:none}.report-head{display:flex;gap:11px;align-items:center}.report-head img{width:62px;height:auto;object-fit:contain}.report-kicker{font-size:8px;letter-spacing:1.8px;color:#72ddff}.report-head h2{margin:5px 0 3px;font-size:22px}.report-head p{margin:0;font-size:9px;color:#718c9e}.type-banner{margin-top:12px;padding:14px 16px;border-radius:15px;border:1px solid rgba(94,215,255,.24);background:linear-gradient(135deg,rgba(5,34,58,.94),rgba(4,20,38,.96))}.type-banner span{display:block;font-size:9px;color:#7697aa}.type-banner strong{display:block;margin-top:5px;font-size:23px;color:#97edff}
.tech-card{margin-top:12px;padding:14px;border-radius:15px;border:1px solid rgba(104,215,255,.18);background:linear-gradient(180deg,rgba(4,23,40,.9),rgba(3,14,26,.94))}.card-title{display:flex;justify-content:space-between;margin-bottom:9px}.card-title strong{font-size:14px}.card-title small{display:block;margin-top:4px;color:#637e91;font-size:9px}.signal{color:#6f9fb8;letter-spacing:3px}
.course-item{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.045);opacity:0;transform:translateX(12px)}.course-item.show{animation:item .45s ease forwards}@keyframes item{to{opacity:1;transform:none}}.rank{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;font-size:15px;font-weight:900;color:#dffbff;background:linear-gradient(180deg,#0d4167,#061c31);border:1px solid rgba(113,224,255,.34)}.course-info{flex:1;min-width:0}.course-info strong{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.course-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:6px}.course-tags span{font-size:8px;color:#8ba4b3;padding:3px 5px;border:1px solid rgba(120,202,239,.1);border-radius:99px}.match{width:48px;text-align:right}.match small{display:block;font-size:8px;color:#6d8c9d}.match b{display:block;font-size:16px;color:#92edff;margin-top:3px}.advice-row{display:flex;gap:9px;padding:8px 0;color:#a9bdc8;font-size:11px;opacity:0;transform:translateY(7px)}.advice-row.show{animation:item .4s ease forwards}.advice-row i{width:15px;height:15px;border-radius:50%;display:grid;place-items:center;background:#0c3855;border:1px solid rgba(117,221,255,.23);color:#8eeaff;font-style:normal;font-size:9px}.reason-text{margin:0;color:#9db3bf;font-size:11px;line-height:1.8}
.wechat-action{margin-top:12px;padding:16px;border-radius:15px;border:1px solid rgba(104,215,255,.18);background:linear-gradient(180deg,rgba(4,23,40,.9),rgba(3,14,26,.94));text-align:center}.wechat-action strong{display:block;font-size:14px}.wechat-action>span{display:block;margin-top:6px;color:#738fa1;font-size:10px}.wechat-btn{position:relative;width:100%;height:58px;margin-top:14px;border-radius:15px;font-size:15px;font-weight:900;overflow:hidden}.restart-btn{width:100%;height:50px;margin-top:12px;border-radius:14px;border:1px solid rgba(112,209,248,.15);background:rgba(3,16,28,.82);color:#8ca6b5}.safe-space{height:30px}.result-reveal{opacity:0;transform:translateY(10px)}.result-reveal.show{animation:reveal .5s ease forwards}
.modal{position:absolute;inset:0;z-index:30;display:none;align-items:center;justify-content:center}.modal.show{display:flex}.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.74);backdrop-filter:blur(8px)}.modal-panel{position:relative;width:86%;padding:24px 20px 22px;text-align:center;border-radius:20px;border:1px solid rgba(147,230,255,.27);background:linear-gradient(180deg,#06192a,#020a12);box-shadow:0 28px 80px rgba(0,0,0,.55),0 0 54px rgba(48,180,255,.12);animation:modalIn .34s ease}@keyframes modalIn{from{opacity:0;transform:translateY(18px) scale(.96)}}.modal-close{position:absolute;right:11px;top:10px;width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.03);color:#8ba5b5;font-size:20px}.modal-logo{width:86px;height:auto;object-fit:contain}.modal-title{margin-top:7px;font-size:20px;font-weight:900}.modal-sub{margin-top:6px;font-size:11px;color:#7b95a5}.qr-shell{width:220px;height:220px;margin:18px auto 12px;padding:8px;background:#fff;border-radius:14px;box-shadow:0 0 28px rgba(90,221,255,.2)}.qr-shell img{width:100%;height:100%;object-fit:cover;border-radius:8px}.modal-foot{font-size:10px;color:#718c9c}
@media(max-height:780px){.cover-logo{width:120px}.cover-title{font-size:34px;margin:10px 0 18px}.system-card{padding-top:15px;padding-bottom:15px}.fill-title{margin-top:18px;font-size:25px}#startBtn{bottom:35px;height:64px}.analysis-engine{width:220px;height:220px;margin:7px auto 2px}.engine-core{width:94px;height:94px}.disc1{width:145px;height:145px}.disc2{width:185px;height:185px}.disc3{width:205px;height:70px}.path1{width:165px;height:165px}.path2{width:198px;height:198px}.path3{width:210px;height:105px}}