:root{--ink:#132641;--muted:#5d6d83;--blue:#255fe4;--blue-dark:#1746b8;--canvas:#f5f8fe;--line:#dce6f5;--white:#fff;--navy:#102d5c;--radius:28px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}svg{display:block;width:100%;height:100%}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}.skip-link{position:absolute;top:-60px;left:12px;z-index:1000;background:#fff;padding:10px 16px;border-radius:8px}.skip-link:focus{top:12px}a:focus-visible,button:focus-visible{outline:3px solid #8db4ff;outline-offset:4px}section[id]{scroll-margin-top:90px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(210,223,244,.8);backdrop-filter:blur(16px)}.header-inner{min-height:74px;display:flex;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:11px;color:#173c83;font-size:20px;font-weight:850;letter-spacing:.02em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:39px;height:39px;padding:6px;border-radius:13px;background:linear-gradient(145deg,#377cf5,#1d55d5);color:#fff;box-shadow:0 8px 18px #2b65e42b}.desktop-nav{display:flex;gap:34px;margin-left:auto;font-size:14px;color:#53647e;font-weight:650}.desktop-nav a,.site-footer nav a{transition:color .2s}.desktop-nav a:hover,.site-footer nav a:hover{color:var(--blue)}.header-cta{display:inline-flex;align-items:center;justify-content:center;gap:15px;min-height:42px;padding:0 17px;border-radius:11px;background:#e9f0ff;color:#164dbb;font-size:14px;font-weight:760;white-space:nowrap}.header-cta:hover{background:#dae7ff}
.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 82% 37%,#cee0ff 0,transparent 42%),linear-gradient(120deg,#fbfdff 12%,#eef4ff 100%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgba(39,92,183,.045) 1px,transparent 1px),linear-gradient(to bottom,rgba(39,92,183,.045) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent 42%,#000)}.hero-grid{position:relative;display:grid;grid-template-columns:.96fr 1.04fr;align-items:center;gap:30px;min-height:680px;padding-top:56px;padding-bottom:36px}.hero-copy{position:relative;z-index:3}.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border:1px solid #d3e3ff;border-radius:999px;background:#edf4ff;color:#1d5dcc;font-size:12px;font-weight:800;letter-spacing:.06em}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:#3d80fa;box-shadow:0 0 0 4px #3d80fa22}.hero h1{margin:23px 0 21px;font-size:clamp(44px,4.7vw,70px);line-height:1.17;font-weight:900;letter-spacing:-.06em}.hero h1 em{color:var(--blue);font-style:normal}.hero-lead{max-width:525px;margin:0;color:#52647e;font-size:18px;line-height:1.9}.hero-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.hero-points span{padding:6px 11px;border-radius:7px;background:#fff;color:#47617e;border:1px solid #e0eafb;font-size:12px;font-weight:700}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:51px;padding:0 23px;border:1px solid transparent;border-radius:12px;font-size:15px;font-weight:770;cursor:pointer;transition:transform .23s ease,background .23s ease,box-shadow .23s ease}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--blue);color:#fff;box-shadow:0 14px 28px #245fe12a}.button-primary:hover{background:var(--blue-dark);box-shadow:0 16px 34px #245fe13b}.button-secondary{background:#fff;color:#204caa;border-color:#d5e3fb}.button-secondary:hover{background:#f8fbff}.hero-caption{max-width:500px;margin:19px 0 0;color:#8190a5;font-size:12px}.hero-stage{position:relative;min-height:600px;isolation:isolate}.hero-glow{position:absolute;width:560px;height:560px;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid #c2d7f7;border-radius:50%;box-shadow:0 0 0 70px #d7e6ff4d,0 0 0 145px #e6f0ff38}.hero-phone{position:absolute;overflow:hidden;padding:8px;background:#172b4c;border:4px solid #263f67;border-radius:35px;box-shadow:0 29px 55px #294c8554}.hero-phone img{width:100%;height:100%;object-fit:cover;border-radius:23px}.hero-phone-back{width:211px;height:456px;left:11%;top:70px;transform:rotate(-11deg);opacity:.97}.hero-phone-front{width:239px;height:517px;right:14%;top:27px;transform:rotate(8deg);animation:phone-float 6s ease-in-out infinite}.hero-tag{position:absolute;z-index:3;display:flex;align-items:center;gap:10px;padding:12px 15px;border:1px solid #e1eaf8;border-radius:15px;background:rgba(255,255,255,.96);box-shadow:0 17px 32px #2d5d9c2d}.hero-tag strong,.hero-tag small{display:block;line-height:1.3}.hero-tag strong{font-size:13px}.hero-tag small{margin-top:3px;color:#8a9ab0;font-size:11px}.hero-tag-top{top:47px;right:0}.hero-tag-bottom{bottom:64px;left:3%}.tag-icon,.tag-check{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eaf2ff;color:#2a67df;font-size:11px;font-weight:900}.tag-check{background:#e7f8f0;color:#159765;font-size:20px}.hero-bottom{position:relative;display:flex;align-items:center;gap:17px;padding-bottom:23px;color:#8b9bb1;font-size:11px;font-weight:750;letter-spacing:.09em}.hero-bottom-line{width:46px;height:1px;background:#b4c8e8}.hero-bottom span:last-child{margin-left:auto}
.path-strip{background:#fff;border-block:1px solid #e8edf7}.path-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:22px 0}.path-inner p{margin:0;font-size:13px;font-weight:800;color:#537095}.path-inner ol{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0}.path-inner li{display:flex;align-items:center;color:#345684;font-size:13px;font-weight:750;white-space:nowrap}.path-inner li+li:before{content:"";width:29px;height:1px;margin:0 20px;background:#a9c1e4}
.section{padding:104px 0}.section-intro{display:flex;align-items:end;justify-content:space-between;gap:42px;margin-bottom:42px}.section-kicker{color:#2c6bdf;font-size:12px;font-weight:850;letter-spacing:.17em}.section-intro h2,.coverage h2{margin:12px 0 0;font-size:clamp(34px,3.5vw,49px);line-height:1.26;font-weight:870;letter-spacing:-.05em}.section-intro>p{max-width:385px;margin:0 0 4px;color:var(--muted);line-height:1.9}.experience{background:#f4f7fd}.experience-shell{display:grid;grid-template-columns:.82fr 1.18fr;overflow:hidden;min-height:590px;border:1px solid #d8e4f7;border-radius:30px;background:#fff;box-shadow:0 24px 60px #24487c0e}.experience-sidebar{display:flex;flex-direction:column;padding:40px 32px 32px}.experience-label{color:#8a9bb2;font-size:10px;font-weight:900;letter-spacing:.17em}.experience-tabs{margin-top:35px}.experience-tab{display:grid;grid-template-columns:43px 1fr 24px;align-items:center;width:100%;min-height:76px;padding:0 15px;text-align:left;color:#5c708c;background:transparent;border:0;border-bottom:1px solid #e9eef7;cursor:pointer;transition:background .2s,color .2s,padding .2s}.experience-tab span{font-size:12px;color:#9aacbf;font-weight:800}.experience-tab strong{font-size:17px;font-weight:780}.experience-tab i{font-style:normal;font-size:18px;opacity:0;transition:opacity .2s}.experience-tab:hover{background:#f6f9ff;color:#255fe4}.experience-tab.is-active{padding-left:20px;border-radius:13px;border-bottom-color:transparent;background:#eaf2ff;color:#1958d0}.experience-tab.is-active span{color:#5486e7}.experience-tab.is-active i{opacity:1}.experience-foot{margin:auto 0 0;color:#8b9db4;font-size:11px;line-height:1.7}.experience-display{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:58px 40px 0;background:radial-gradient(circle at 74% 70%,#608cde88,transparent 40%),linear-gradient(140deg,#173b75,#0e2856);color:#fff}.experience-display:before{content:"";position:absolute;inset:25px;border:1px solid #ffffff16;border-radius:28px;pointer-events:none}.experience-copy{position:relative;z-index:1;max-width:270px;align-self:center;padding-bottom:50px}.live-pill{display:inline-flex;align-items:center;gap:8px;color:#bad4ff;font-size:10px;font-weight:900;letter-spacing:.12em}.live-pill span{width:6px;height:6px;border-radius:50%;background:#87d9ad}.experience-copy h3{margin:22px 0 14px;font-size:clamp(27px,2.5vw,36px);line-height:1.35;letter-spacing:-.04em}.experience-copy p{margin:0;color:#d2e2ff;font-size:14px;line-height:1.9}.experience-phone{position:relative;flex:none;align-self:end;overflow:hidden;width:237px;height:512px;padding:7px 7px 0;border:4px solid #1b3763;border-bottom:0;border-radius:32px 32px 0 0;background:#152947;box-shadow:0 0 0 1px #ffffff22,0 30px 50px #08193255}.experience-phone img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:22px 22px 0 0}.experience-display.is-switching .experience-phone img{animation:screen-in .38s ease both}
.products{background:#fff}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product-card{position:relative;overflow:hidden;min-height:570px;padding:30px 28px 0;border:1px solid #dce6f4;border-radius:27px;background:#f5f8fd;box-shadow:0 14px 36px #23487c0b;transition:transform .25s ease,box-shadow .25s ease}.product-card:hover{transform:translateY(-5px);box-shadow:0 22px 42px #23487c17}.product-card-blue{background:#eaf2ff;border-color:#d2e2fc}.product-card-top{display:flex;align-items:center;justify-content:space-between}.product-number{font-size:11px;color:#3e6db7;font-weight:900;letter-spacing:.1em}.product-arrow{font-size:21px;color:#326ada}.product-card h3{margin:23px 0 10px;font-size:27px;line-height:1.35;letter-spacing:-.04em}.product-card p{max-width:285px;margin:0;color:#607089;font-size:14px;line-height:1.8}.product-image{position:absolute;left:16%;right:16%;bottom:-128px;height:330px;overflow:hidden;padding:7px;border:4px solid #1c3156;border-radius:27px 27px 0 0;background:#1c3156;box-shadow:0 15px 34px #203e6e31}.product-image img{width:100%;height:auto;border-radius:17px 17px 0 0}.product-image-bank{bottom:-82px}.product-image-course{bottom:-105px}.product-image-material{bottom:-105px}.product-image-note{position:absolute;bottom:14px;right:18px;z-index:2;padding:4px 8px;border-radius:6px;background:#fffffff0;color:#57708c;font-size:10px;font-weight:700}.product-subline{display:grid;grid-template-columns:1fr 160px auto;align-items:center;gap:30px;min-height:185px;margin-top:20px;padding:20px 34px;border:1px solid #dce6f4;border-radius:25px;background:linear-gradient(110deg,#f7faff,#edf4ff);overflow:hidden}.product-subline strong{font-size:22px}.product-subline p{margin:6px 0 0;color:#697b94;font-size:14px}.subline-preview{height:130px;width:160px;overflow:hidden;transform:rotate(7deg);border:4px solid #243e67;border-radius:16px;background:#fff;box-shadow:0 12px 24px #4166a044}.subline-preview img{width:100%;height:auto}.text-link{display:inline-flex;align-items:center;gap:12px;color:#235fda;font-size:14px;font-weight:800;white-space:nowrap}.text-link:hover{text-decoration:underline}
.coverage{background:linear-gradient(145deg,#eff5ff,#f7faff)}.coverage-grid{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:74px}.coverage-copy p{max-width:420px;margin:24px 0 29px;color:var(--muted);line-height:1.9}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.category-grid span{display:flex;align-items:center;justify-content:center;min-height:84px;padding:12px;border:1px solid #dbe6f7;border-radius:16px;background:#fff;color:#284564;text-align:center;font-size:14px;font-weight:750;box-shadow:0 8px 20px #3461a009}.category-grid span:last-child{background:#e3edff;color:#1b59ce}.category-grid i{margin-left:4px;font-style:normal}
.mini-section{background:#fff}.mini-panel{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:40px;min-height:420px;padding:55px 74px;border-radius:30px;background:radial-gradient(circle at 90% 75%,#467ee7 0,transparent 32%),linear-gradient(130deg,#173b7d,#0c285c);color:#fff;overflow:hidden}.mini-pill{display:inline-block;padding:6px 11px;border:1px solid #9abdf566;border-radius:999px;background:#ffffff15;color:#d4e3ff;font-size:11px;font-weight:850;letter-spacing:.1em}.mini-panel h2{margin:18px 0 17px;font-size:clamp(33px,3.5vw,48px);line-height:1.25;letter-spacing:-.05em}.mini-copy>p{max-width:480px;margin:0;color:#d4e2fb;font-size:15px;line-height:1.9}.mini-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:27px}.button-light{background:#fff;color:#174aaf}.button-light:hover{background:#eaf2ff}.button-outline-light{border-color:#ffffff70;background:#ffffff10;color:#fff}.button-outline-light:hover{background:#ffffff23}.copy-status{min-height:22px;margin-top:11px;color:#d8e8ff;font-size:12px}.qr-wrap{display:grid;place-items:center}.qr-card{width:min(100%,270px);padding:15px 15px 13px;border-radius:22px;background:#fff;color:#23466f;text-align:center;box-shadow:0 24px 45px #081b3d45;transform:rotate(3deg)}.qr-card img{width:100%;height:auto;border-radius:12px}.qr-card span{display:block;margin-top:10px;font-size:12px;font-weight:800}.mobile-cta{display:none}.site-footer{background:#f5f8fe;border-top:1px solid #e1e8f4}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:25px;padding:44px 0 35px}.footer-inner strong{color:#244c93;font-size:19px}.footer-inner p{margin:6px 0 0;color:#8796aa;font-size:13px}.site-footer nav{display:flex;align-items:center;gap:25px;color:#5f7189;font-size:13px;font-weight:700}.footer-note{grid-column:1/-1;border-top:1px solid #e2e9f4;padding-top:20px}
.reveal{opacity:0;transform:translateY(25px);transition:opacity .65s ease,transform .65s ease}.reveal.is-visible{opacity:1;transform:none}
@keyframes phone-float{0%,100%{transform:rotate(8deg) translateY(0)}50%{transform:rotate(8deg) translateY(-10px)}}@keyframes screen-in{from{opacity:.45;transform:translateY(12px)}to{opacity:1;transform:none}}
@media(max-width:1000px){.hero-grid{gap:0}.hero-stage{transform:scale(.85);transform-origin:center}.experience-display{padding-inline:25px}.experience-phone{width:205px;height:445px}.product-card{min-height:530px}.product-image{left:12%;right:12%}.coverage-grid{gap:35px}}
@media(max-width:760px){.container{width:min(100% - 36px,560px)}.header-inner{min-height:65px;gap:10px}.brand{font-size:17px}.brand-mark{width:35px;height:35px}.desktop-nav{display:none}.header-cta{margin-left:auto;padding:0 12px;min-height:39px;font-size:12px}.hero-grid{display:flex;flex-direction:column;align-items:stretch;padding-top:55px;padding-bottom:0;gap:4px;min-height:0}.hero h1{font-size:clamp(43px,9vw,58px)}.hero-lead{font-size:16px}.hero-actions{margin-top:25px}.hero-stage{height:470px;min-height:0;transform:none;margin:5px -10px 0}.hero-glow{width:375px;height:375px;box-shadow:0 0 0 60px #d7e6ff4d}.hero-phone-back{width:164px;height:354px;left:9%;top:67px}.hero-phone-front{width:180px;height:390px;right:12%;top:38px}.hero-tag-top{right:0;top:27px}.hero-tag-bottom{left:0;bottom:22px}.hero-tag{padding:8px 10px}.hero-tag strong{font-size:11px}.hero-tag small{font-size:9px}.tag-icon,.tag-check{width:28px;height:28px}.hero-bottom{display:none}.path-inner{display:block;padding:18px 0}.path-inner p{margin-bottom:10px}.path-inner ol{flex-wrap:wrap;gap:6px}.path-inner li+li:before{width:12px;margin:0 9px}.section{padding:72px 0}.section-intro{display:block;margin-bottom:28px}.section-intro h2,.coverage h2{font-size:36px}.section-intro>p{max-width:100%;margin-top:14px;font-size:14px}.experience-shell{display:flex;flex-direction:column;min-height:0}.experience-sidebar{padding:25px 20px 18px}.experience-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:18px}.experience-tab{grid-template-columns:25px 1fr;min-height:61px;padding:0 10px;border:1px solid #e5edf9;border-radius:11px}.experience-tab strong{font-size:13px}.experience-tab i{display:none}.experience-tab.is-active{padding-left:11px;border-color:#cde0ff}.experience-foot{margin-top:18px}.experience-display{min-height:480px;padding:28px 21px 0;justify-content:space-between}.experience-copy{max-width:46%;padding-bottom:0}.experience-copy h3{font-size:23px}.experience-copy p{font-size:12px}.experience-phone{width:45%;height:auto;aspect-ratio:1170/2532;align-self:end}.product-grid{grid-template-columns:1fr}.product-card{min-height:480px}.product-image{left:29%;right:10%;bottom:-165px;height:370px}.product-image-bank{bottom:-120px}.product-image-course,.product-image-material{bottom:-140px}.product-card h3{font-size:25px}.product-subline{grid-template-columns:1fr auto;gap:10px;padding:24px;min-height:165px}.product-subline .text-link{grid-column:1/-1}.subline-preview{height:108px;width:110px}.coverage-grid{grid-template-columns:1fr;gap:31px}.category-grid{gap:8px}.category-grid span{min-height:69px;font-size:12px}.mini-panel{grid-template-columns:1fr;padding:36px 25px 38px;gap:30px;text-align:left}.mini-panel h2{font-size:34px}.qr-card{width:235px;transform:none}.site-footer{padding-bottom:67px}.footer-inner{grid-template-columns:1fr;padding:35px 0}.site-footer nav{flex-wrap:wrap;gap:17px}.footer-note{grid-column:auto}.mobile-cta{position:fixed;z-index:45;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px max(18px,env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-right));background:#ffffffed;border-top:1px solid #dce6f4;backdrop-filter:blur(14px);box-shadow:0 -8px 23px #173b7020}.mobile-cta>span{font-size:13px;font-weight:800;color:#294b80}.mobile-cta a{display:inline-flex;align-items:center;gap:10px;min-height:42px;padding:0 15px;border-radius:10px;background:var(--blue);color:#fff;font-size:13px;font-weight:800}}
@media(max-width:390px){.container{width:calc(100% - 30px)}.brand{font-size:15px}.hero h1{font-size:42px}.hero-stage{height:435px}.hero-phone-back{width:148px;height:321px;left:8%}.hero-phone-front{width:164px;height:355px;right:8%}.hero-tag-top{right:-4px}.hero-tag-bottom{bottom:17px}.experience-display{min-height:430px;padding-inline:14px}.experience-copy h3{font-size:20px}.experience-phone{width:44%}.category-grid{grid-template-columns:repeat(2,1fr)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-phone-front{animation:none}.reveal{opacity:1;transform:none;transition:none}.experience-display.is-switching .experience-phone img{animation:none}.button,.product-card,.experience-tab{transition:none}.button:hover,.product-card:hover{transform:none}}
@media(max-width:760px){.experience-display{flex-direction:column;align-items:center;justify-content:flex-start;gap:23px;min-height:0;padding:34px 24px 0}.experience-copy{align-self:stretch;max-width:100%;padding-bottom:0}.experience-copy h3{margin:11px 0 6px}.experience-copy p{font-size:13px}.experience-phone{align-self:center;width:min(224px,78%);height:auto;aspect-ratio:1170/2532}}
@media(max-width:390px){.hero-actions .button-secondary,.hero-caption{display:none}.hero-actions{margin-top:23px}.hero-stage{margin-top:-5px}.experience-display{padding-inline:18px}}