:root{color-scheme:light;--ink:#202638;--muted:#626C80;--accent:#4162EC;--line:#E1E5EE;--surface:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px;scrollbar-color:#b9c1d1 #fff}body{margin:0;background:var(--surface);color:var(--ink);font-family:"Microsoft YaHei UI","PingFang SC","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}::selection{background:#EEF1FF;color:#202638}a{color:inherit;text-decoration:none;text-underline-offset:5px}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:6px}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}button{cursor:pointer}.wrap{width:min(1240px,calc(100% - 112px));margin-inline:auto}.header{height:102px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-size:26px;font-weight:750;letter-spacing:-.03em}.brand img{object-fit:contain}.header nav{display:flex;gap:38px;font-size:14px;font-weight:500}.header nav a{padding-block:12px}.header nav a:hover,footer a:hover{color:var(--accent)}.hero{min-height:644px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:20px;padding-bottom:38px}.hero-copy{padding:16px 0 0 22px;position:relative;z-index:1}h1{font-size:clamp(48px,5.5vw,76px);font-weight:750;line-height:1.25;letter-spacing:-.035em;margin:0 0 29px;text-wrap:balance}.intro{font-size:18px;color:var(--muted);line-height:1.8;margin:0 0 44px}.primary{display:inline-flex;align-items:center;gap:13px;padding:19px 25px;border-radius:8px;background:var(--accent);color:white;font-size:16px;font-weight:600;transition:background 160ms ease}.primary:hover{background:#304ECC}.primary svg{width:19px;height:19px;fill:currentColor}.primary .arrow{margin-left:20px;font-size:21px}.download-note{font-size:12px;color:var(--muted);margin:16px 0 0 1px}.art-scene{height:570px;position:relative;isolation:isolate;perspective:1000px;display:flex;align-items:center;justify-content:center}.art-tilt{width:min(100%,550px);transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform 650ms cubic-bezier(.16,1,.3,1);transform-style:preserve-3d}.art-float{animation:float 6s ease-in-out infinite;animation-play-state:paused}.crystal{display:block;width:100%;height:auto;mix-blend-mode:multiply;user-select:none}.floor-shadow{position:absolute;bottom:1px;width:150px;height:14px;background:#4b6697;border-radius:50%;filter:blur(13px);opacity:.18;z-index:-1;animation:shadow 6s ease-in-out infinite;animation-play-state:paused}.art-scene.is-moving .art-float,.art-scene.is-moving .floor-shadow{animation-play-state:running}.motion-toggle{position:absolute;right:18px;bottom:0;display:flex;align-items:center;gap:5px;min-height:44px;padding:8px;border:0;background:transparent;color:var(--muted);font-size:12px}.motion-toggle[hidden]{display:none}.motion-toggle:hover{color:var(--accent)}.motion-toggle svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.5}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--line);padding:36px 22px 40px}.features h2{font-size:19px;margin:0 0 10px;font-weight:650}.features p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}.features>div:nth-child(2){justify-self:center}.features>div:last-child{justify-self:end}.plans{padding:85px 22px 65px}.section-heading h2{font-size:28px;letter-spacing:-.025em;margin:0 0 12px}.section-heading p{font-size:14px;color:var(--muted);line-height:1.7}.plan-list{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:34px}.plan-list a{border-top:1px solid var(--line);padding-top:26px;display:flex;flex-direction:column;align-items:flex-start;gap:18px}.plan-list strong{font-size:35px;font-weight:600;font-variant-numeric:tabular-nums}.plan-list small{font-size:13px;font-weight:400;color:var(--muted)}.plan-action{color:var(--accent);font-size:13px}.plan-list a:hover .plan-action{text-decoration:underline}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding:25px 0 30px;font-size:12px;color:var(--muted)}
.hero>*,.art-tilt{min-width:0}
@keyframes float{0%,100%{transform:translateY(6px) rotate(-.5deg)}50%{transform:translateY(-10px) rotate(.5deg)}}@keyframes shadow{0%,100%{transform:scaleX(1);opacity:.2}50%{transform:scaleX(.8);opacity:.12}}
@media(min-width:1600px){.hero{min-height:700px}}
@media(max-width:900px){.wrap{width:calc(100% - 56px)}.hero-copy{padding-left:0}.hero{min-height:555px}.art-scene{height:460px}.intro{font-size:15px}.floor-shadow{bottom:20px}.motion-toggle{bottom:7px;right:0}.features{padding-inline:0}.plans{padding-inline:0}.header nav{gap:25px}h1{font-size:51px}}
@media(max-width:620px){.wrap{width:calc(100% - 40px)}.header{height:80px}.brand{font-size:22px;gap:7px}.brand img{width:34px;height:34px}.header nav{gap:18px;font-size:12px}.header nav a:first-child{display:none}.hero{grid-template-columns:1fr;gap:0;padding-top:39px;padding-bottom:25px}.hero-copy{padding:0 6px}.hero h1{font-size:49px;margin-bottom:22px}.intro{font-size:14px;margin-bottom:28px}.primary{padding:16px 20px;font-size:14px}.download-note{font-size:11px;margin-top:12px}.art-scene{height:365px;margin-top:17px}.art-tilt{width:360px;max-width:100%}.floor-shadow{width:115px;bottom:9px}.motion-toggle{right:0;bottom:-4px}.features{gap:25px;grid-template-columns:1fr;padding-top:28px;padding-bottom:0}.features>div:nth-child(2),.features>div:last-child{justify-self:start}.features h2{font-size:17px;margin-bottom:5px}.features p{font-size:13px}.plans{padding-top:65px;padding-bottom:40px}.section-heading h2{font-size:24px}.plan-list{grid-template-columns:1fr;gap:26px}.plan-list a{display:grid;grid-template-columns:1fr auto;gap:14px}.plan-list strong{font-size:30px}.plan-action{grid-column:1/-1}footer{font-size:11px}.header nav a{min-height:44px;display:flex;align-items:center}}
@media(max-width:360px){.hero h1{font-size:43px}.art-scene{height:310px}.header nav{gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.art-float,.floor-shadow{animation:none!important}.art-tilt{transform:none!important;transition:none}.motion-toggle{display:none}}