/* 91 LIVE · 深海青绿。颜色统一在此处修改。 */
:root{--bg:#071b20;--panel:#10272d;--panel-light:#153038;--text:#edf8f5;--muted:#a4bcb9;--accent:#79efca;--line:#294149;--brand-primary:var(--accent);--brand-accent:#b5ffe3;--radius:16px;--max:1180px;color-scheme:dark}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:100px}body{font-family:Inter,"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;padding-top:82px;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,[role=button]{-webkit-tap-highlight-color:transparent}button,[role=button]{cursor:pointer}button{color:inherit}button:focus-visible,a:focus-visible,[role=button]:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button:disabled{opacity:.5}img,svg,video{max-width:100%}.container{max-width:var(--max);margin:auto;padding:0 28px}.site-icon{font-style:normal;display:inline-block;line-height:1}.text-gradient{color:var(--accent)}h1,h2,h3,h4{line-height:1.4}h2{font-size:34px;letter-spacing:-1px}h3{font-size:19px}.section-sub{font-size:14px;color:var(--muted);margin-top:8px}.eyebrow{font-size:11px;color:var(--accent);letter-spacing:3px;font-weight:600}.demo-note{color:var(--muted);font-size:12px;margin:12px 0;line-height:1.7}.navbar{position:fixed;top:0;left:0;right:0;height:82px;z-index:100;background:#071b20ee;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.navbar-inner{max-width:var(--max);padding:0 28px;margin:auto;height:100%;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px}.logo-icon{background:var(--accent);color:var(--bg);height:36px;width:36px;border-radius:11px;display:grid;place-items:center;font-size:25px}.logo-text{font-size:23px;font-weight:800;letter-spacing:-1px}.nav-menu{display:flex;gap:30px;align-items:center;font-size:14px;color:#c2d2ce}.nav-menu a:hover{color:var(--accent)}.menu-toggle{display:none;border:1px solid var(--line);background:var(--panel);padding:4px 12px;border-radius:9px;font-size:21px}
.page-banner{position:relative;overflow:hidden;padding:82px 0 74px;background:radial-gradient(ellipse at 85% 30%,#13433499,transparent 55%)}.banner-content{max-width:var(--max);padding:0 28px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.banner-left{position:relative;z-index:2}.banner-tag{display:inline-flex;align-items:center;gap:10px;border:1px solid #325650;border-radius:30px;padding:6px 12px;font-size:10px;color:#bfdbd2;letter-spacing:1px;margin-bottom:24px}.banner-tag>.site-icon{display:none}.live-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 14px var(--accent)}.banner-left h1{font-size:66px;letter-spacing:-3px;line-height:1.2;margin:16px 0 24px}.hero-break{display:block}.banner-desc{color:var(--muted);max-width:430px;font-size:15px;line-height:2}.capsule-group{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0}.capsule{font-size:12px;color:#b7d5cd;padding:3px 12px;background:#102b2a;border:1px solid #25433d;border-radius:6px}.btn-group{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--accent);color:var(--bg);font-weight:700;border:1px solid var(--accent);border-radius:8px;padding:12px 22px;font-size:14px;transition:transform .2s,background .2s}.btn:hover{background:#a4ffdf;transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--text);border-color:#47615b}.btn-outline:hover{background:var(--panel)}.banner-right{position:relative;padding-bottom:24px;min-width:0}.hero-art{position:relative;height:330px;display:grid;place-items:center;background:radial-gradient(ellipse at center,#32816845,transparent 65%)}.hero-play{display:grid;place-items:center;height:150px;width:150px;border-radius:38px;transform:rotate(-12deg);border:1px solid #9bf5d779;background:linear-gradient(135deg,#6ce5b92b,#163331);box-shadow:0 30px 80px #0005,inset 0 1px #d2fff959;color:var(--accent);font-size:95px;line-height:1;padding-bottom:10px}.orbit{position:absolute;left:50%;top:50%;border:1px solid #54978155;border-radius:50%;width:350px;height:210px;transform:translate(-50%,-50%) rotate(-25deg)}.orbit-two{width:280px;height:330px;transform:translate(-50%,-50%) rotate(40deg);border-style:dashed}.float-chip{position:absolute;font-size:12px;border:1px solid #467165;background:#16342ff2;padding:10px 16px;border-radius:9px;box-shadow:0 8px 30px #0003}.chip-one{left:6%;top:34px;transform:rotate(-8deg)}.chip-two{right:0;bottom:55px;font-size:10px;letter-spacing:2px;color:var(--accent);transform:rotate(8deg)}.hero-art-label{position:absolute;bottom:0;font-size:9px;letter-spacing:3px;color:#719f8f}.screen-window{position:relative;margin-top:20px;background:#0e2428;border:1px solid #33524b;border-radius:14px;padding:18px 20px}.sample-label{font-size:10px;color:#8caaa1;position:absolute;top:12px;right:16px}.screen-bar{display:flex;gap:5px;margin-bottom:17px}.screen-bar span{width:5px;height:5px;border-radius:100%;background:#5f8e7e}.screen-inner{display:flex;gap:15px;align-items:center;justify-content:space-between}.screen-col .item{font-size:12px;color:#cce5dc}.screen-col .site-icon{color:var(--accent)}.ring-container{display:flex;flex-direction:column;align-items:center}.ring-svg{width:49px;height:49px}.ring-svg path:first-child{stroke:#34584c}.ring-svg path:last-child{stroke:var(--accent)}.ring-container>span{color:var(--accent)!important}.data-list span{display:block;font-size:10px;color:var(--muted)}.topic-strip{display:flex;justify-content:space-around;gap:24px;padding:24px 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#a7c3b8;font-size:11px;letter-spacing:2px;flex-wrap:wrap}
section[id]{padding:76px 0}.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:38px;border:1px solid var(--line);border-radius:16px;overflow:hidden;gap:1px;background:var(--line)}.advantage-card{background:var(--bg);text-align:left;padding:30px 28px}.advantage-card:hover{background:var(--panel)}.advantage-card>.site-icon{font-size:26px;color:var(--accent);margin-bottom:18px}.advantage-card h3{font-size:17px;margin-bottom:8px}.advantage-card p{font-size:13px;color:var(--muted)}#section-intro{padding-top:0}.intro-box{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:45px}.intro-header{margin-bottom:25px}.intro-header h2{margin-top:10px}.intro-body-text,.intro-details p,.intro-footer{font-size:14px;color:#bcd0c8;line-height:2}.intro-highlight{border-left:3px solid var(--accent);background:#122f2d;margin:26px 0;padding:20px 24px}.intro-highlight p{color:#bcd0c8;font-size:14px}.tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}.tags span{color:var(--accent);font-size:12px;border:1px solid #31584d;padding:2px 12px;border-radius:5px}.intro-details{display:grid;gap:10px}.intro-details strong{color:var(--text)}.intro-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0}.intro-grid .card{border-top:1px solid #35504a;padding:20px 0}.card-icon{color:var(--accent);font-size:25px}.intro-grid h4{font-size:16px;margin:9px 0}.intro-grid p{font-size:13px;color:var(--muted)}.intro-footer{border-top:1px solid var(--line);padding-top:20px}#section-video{background:#0b2025}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}.video-card{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:13px;overflow:hidden;transition:transform .2s,border-color .2s}.video-card:hover{transform:translateY(-5px);border-color:#5f9e8a}.video-thumb{position:relative;aspect-ratio:16/9;background:center/cover url('./cover-1.svg')}.video-card:nth-child(2) .video-thumb{background-image:url('./cover-2.svg')}.video-card:nth-child(3) .video-thumb{background-image:url('./cover-3.svg')}.video-card:nth-child(4) .video-thumb{background-image:url('./cover-4.svg')}.video-card:nth-child(5) .video-thumb{background-image:url('./cover-5.svg')}.video-card:nth-child(6) .video-thumb{background-image:url('./cover-6.svg')}.tag-top{position:absolute;left:12px;top:12px;font-size:11px;background:#071b20b3;padding:3px 10px;border-radius:4px}.duration{position:absolute;right:12px;bottom:12px;font-size:10px;background:#071b20d9;padding:1px 6px;border-radius:3px}.play-btn{display:grid;place-items:center;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;border:1px solid #fff6;background:#071b2080;backdrop-filter:blur(5px);font-size:29px;color:white}.video-info{padding:20px}.video-info h3{font-size:16px;margin-bottom:9px}.video-info p{font-size:12px;color:var(--muted);min-height:44px}.video-meta{display:flex;gap:16px;font-size:11px;color:#8aada1;padding:13px 0;border-bottom:1px solid var(--line)}.video-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}.video-tags .tag{font-size:10px;color:#acc9bf;background:#1b373a;padding:1px 9px;border-radius:4px}.video-tags .tag-primary{color:var(--accent)}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}.news-card{text-align:left;border-top:1px solid #3a574f;padding:22px 0;display:flex;flex-direction:column;transition:border-color .2s}.news-card:hover{border-color:var(--accent)}.news-date{font-size:11px;color:var(--accent);letter-spacing:1px}.news-card h3{font-size:17px;margin:12px 0}.news-card p{font-size:13px;color:var(--muted);flex:1}.news-link{margin-top:19px;font-size:12px;color:var(--accent)}#section-faq{background:#0b2025}.faq-item{border-bottom:1px solid var(--line);padding:18px 0;text-align:left}.faq-q{display:flex;gap:13px;align-items:center;font-size:15px;font-weight:600}.faq-q i{font-size:21px;color:var(--accent);font-weight:400;min-width:22px}.faq-a{display:none;font-size:13px;color:var(--muted);padding:16px 0 4px 35px}.faq-a.active{display:block}.faq-a ul{padding-left:16px}.faq-a li{margin:4px 0}.comment-box{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:38px}.comment-layout{display:grid;grid-template-columns:1fr 1fr;gap:45px;margin-top:28px;align-items:start}.comment-form{display:flex;flex-direction:column;gap:12px}.comment-form label{font-size:12px;color:#c0d6cd}.comment-form input,.comment-form textarea{width:100%;background:#0a2024;border:1px solid #365149;border-radius:8px;padding:12px;color:var(--text);font-size:14px}.comment-form textarea{resize:vertical;min-height:120px;max-height:300px}.comment-form .btn{align-self:flex-start}.comment-carousel{height:400px;overflow:auto;scrollbar-width:thin;scrollbar-color:#426b60 transparent}.carousel-track{display:flex;flex-direction:column;gap:12px}.comment-item{background:#183238;border:1px solid #2c4948;border-radius:10px;padding:15px 17px}.comment-item .meta{display:flex;justify-content:space-between;gap:8px;font-size:10px;color:#85b5a2;margin-bottom:7px}.comment-item .body{font-size:13px;color:#c0d6cd;white-space:pre-wrap}.form-status{font-size:12px;color:var(--accent)}.footer{border-top:1px solid var(--line);padding:40px 0;color:#829e94;font-size:11px;text-align:center}.footer-brand{font-size:23px;color:var(--text);font-weight:700}.footer-brand span{color:var(--accent)}.footer-brand small{display:block;font-size:9px;letter-spacing:2px;color:var(--muted);font-weight:400}.footer-divider{width:32px;height:2px;background:var(--accent);margin:20px auto}.back-top{position:fixed;right:22px;bottom:22px;display:grid;place-items:center;width:38px;height:38px;background:var(--panel);border:1px solid #436658;border-radius:10px;color:var(--accent);z-index:80}.modal-overlay{display:none;position:fixed;inset:0;z-index:200;background:#000a;backdrop-filter:blur(8px);padding:22px;align-items:center;justify-content:center}.modal-overlay.active{display:flex}.modal-content{position:relative;width:100%;max-width:720px;background:var(--panel);border:1px solid #406256;border-radius:18px;padding:32px;max-height:85vh;overflow:auto;box-shadow:0 30px 90px #0006}.modal-close{position:absolute;top:12px;right:18px;border:0;background:none;font-size:30px;color:var(--muted);line-height:1;padding:6px}.modal-date{color:var(--accent);font-size:12px}.modal-content h3{font-size:22px;padding-right:24px;margin:12px 0 20px}.modal-body{color:#c4d8cf;font-size:14px;line-height:2;white-space:pre-wrap}.modal-body video{width:100%;display:block;border-radius:8px;background:#000;max-height:55vh}.toast{display:none;position:fixed;left:50%;bottom:30px;transform:translateX(-50%);z-index:300;padding:12px 20px;border:1px solid #5b9a82;border-radius:12px;background:#17372f;box-shadow:0 8px 40px #0005;font-size:13px;max-width:min(90vw,520px);width:max-content}.toast.visible{display:block}
@media(min-width:769px) and (max-width:1020px){.nav-menu{gap:18px}.banner-left h1{font-size:54px}.banner-content{gap:20px}.orbit-one{width:290px}.video-grid,.news-grid{gap:16px}.video-info{padding:16px}}
@media(max-width:768px){body{padding-top:68px}.navbar{height:68px}.navbar-inner,.container{padding-left:20px;padding-right:20px}.menu-toggle{display:block}.nav-menu{display:none;position:absolute;left:0;right:0;top:68px;padding:16px 20px;background:#10272dfa;border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:12px;text-align:center}.nav-menu.open{display:grid}.nav-menu a{padding:8px}.page-banner{padding:42px 0}.banner-content{grid-template-columns:1fr;padding:0 20px;gap:25px}.banner-left h1{font-size:49px;letter-spacing:-2px}.banner-tag{font-size:9px;margin-bottom:18px}.banner-left .eyebrow{font-size:10px}.banner-desc{max-width:100%;font-size:14px}.banner-right{max-width:520px;width:100%;margin:auto}.hero-art{height:285px}.hero-art-label{letter-spacing:2px;font-size:8px}.orbit-one{width:290px;height:180px}.orbit-two{height:260px;width:220px}.hero-play{height:125px;width:125px;font-size:80px;border-radius:30px}.chip-one{left:0;top:35px}.chip-two{right:5px;bottom:48px}.screen-window{margin-top:10px;padding:16px}.screen-inner{gap:8px}.topic-strip{gap:15px;padding:18px 16px;font-size:9px;letter-spacing:1px}.topic-strip span:last-child{display:none}h2{font-size:28px}section[id]{padding:48px 0}.advantage-grid{grid-template-columns:repeat(2,1fr);margin-top:25px}.advantage-card{padding:23px 18px}.advantage-card h3{font-size:16px}.advantage-card p{font-size:12px}.intro-box{padding:26px 22px}.intro-grid{grid-template-columns:1fr;gap:0}.intro-grid .card{padding:16px 0}.intro-highlight{padding:16px}.intro-body-text,.intro-details p,.intro-highlight p,.intro-footer{font-size:13px}.video-grid{grid-template-columns:repeat(2,1fr);gap:14px}.video-info{padding:14px}.video-info h3{font-size:14px}.video-meta{gap:10px;font-size:10px}.news-grid{grid-template-columns:1fr;gap:6px}.news-card{padding:20px 0}.news-card h3{font-size:17px}.comment-box{padding:26px 20px}.comment-layout{grid-template-columns:1fr;gap:25px}.comment-carousel{height:350px}.modal-content{padding:28px 22px}.modal-content h3{font-size:20px}.modal-overlay{padding:16px}.back-top{right:12px;bottom:12px}}
@media(max-width:440px){.video-grid{grid-template-columns:1fr}.video-info p{min-height:0}.banner-left h1{font-size:46px}.btn{padding:12px 18px;gap:16px}.sample-label{font-size:9px}.screen-col .item{font-size:10px}.data-list span{font-size:9px}.screen-inner{gap:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}