:root{--ink:#203044;--muted:#667085;--paper:#fffdfb;--line:#dfe8e8;--coral:#ff8d86;--mint:#8edcc3;--lilac:#c7b5f5;--lemon:#f6d979;--sky:#83c8f5;--peach:#ffc49f;--deep:#4055a8;--shadow:0 18px 50px rgba(59,72,102,.11);--radius:26px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
button,a{touch-action:manipulation}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
.site-header{position:fixed;z-index:50;top:14px;left:50%;transform:translateX(-50%);width:min(1180px,calc(100% - 32px));height:68px;padding:0 14px 0 20px;border:1px solid rgba(255,255,255,.8);border-radius:22px;background:rgba(255,253,251,.9);box-shadow:0 10px 32px rgba(49,61,85,.1);backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--coral);color:white;font-weight:900;box-shadow:inset 0 -3px 0 rgba(0,0,0,.08)}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav>a{padding:9px 12px;border-radius:12px;font-size:14px;font-weight:600;color:#526071}
.main-nav>a:hover,.main-nav>a.active{background:#eff7f5;color:var(--ink)}
.main-nav .nav-cta{padding-inline:18px;background:var(--ink);color:#fff}
.nav-toggle{display:none;border:0;background:#eff7f5;padding:9px 12px;border-radius:10px;color:var(--ink);font-weight:700}
main{overflow:hidden}
.hero{min-height:760px;padding:152px max(6vw,32px) 80px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(480px,1.1fr);gap:5vw;align-items:center;background:radial-gradient(circle at 10% 20%,#ffe8e3 0,transparent 31%),radial-gradient(circle at 88% 14%,#e5ddff 0,transparent 27%),linear-gradient(145deg,#fffefa,#f1fbf7)}
.hero-copy{max-width:660px;justify-self:end}
.kicker{margin:0 0 14px;color:#df6a65;font-size:14px;font-weight:800;letter-spacing:.08em}
h1,h2,h3,p{overflow-wrap:break-word}
h1{margin:0;font-size:clamp(48px,6vw,84px);line-height:1.05;letter-spacing:-.065em;font-weight:900}
h1 span{color:var(--deep);position:relative;white-space:nowrap}
h1 span:after{content:"";position:absolute;z-index:-1;left:0;right:0;bottom:5px;height:15px;border-radius:99px;background:var(--lemon);opacity:.7}
.hero-lead{max-width:620px;margin:28px 0 30px;color:#516073;font-size:18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;min-width:138px;min-height:48px;padding:11px 22px;border-radius:15px;font-weight:800;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb}
.button.primary{background:var(--ink);color:white;box-shadow:0 10px 24px rgba(32,48,68,.18)}
.button.secondary{border:1px solid #cfdada;background:white}
.button.light{background:white;color:var(--ink)}
.button:hover,.download-button:hover{transform:translateY(-2px)}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;margin:26px 0 0;padding:0;list-style:none;color:#536174;font-size:14px}
.hero-points li:before{content:"✓";margin-right:7px;color:#2f9476;font-weight:900}
.hero-media{width:100%;max-width:820px;border:12px solid rgba(255,255,255,.72);border-radius:34px;box-shadow:var(--shadow);overflow:hidden}
.ribbon{width:min(1060px,calc(100% - 40px));margin:-34px auto 0;position:relative;z-index:2;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;padding:22px 30px;border-radius:24px;background:var(--ink);color:white;box-shadow:0 16px 40px rgba(32,48,68,.22)}
.ribbon div{display:flex;align-items:center;justify-content:center;gap:12px}.ribbon strong{color:var(--lemon);font-size:13px}.ribbon i{width:38px;border-top:1px dashed #798597}
.section{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:120px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 44px}.section-head h2,.story-copy h2,.faq-intro h2{margin:0;font-size:clamp(34px,4vw,54px);line-height:1.14;letter-spacing:-.045em}.section-head>p:last-child{color:var(--muted)}
.split-head{max-width:none;display:flex;align-items:end;justify-content:space-between;text-align:left;gap:40px}.split-head>p{max-width:430px;margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.feature-card{min-height:230px;padding:28px;border-radius:var(--radius);transition:.25s transform}.feature-card:hover{transform:translateY(-5px)}.feature-card.wide{grid-column:span 2}.feature-card h3{font-size:25px;margin:28px 0 8px}.feature-card p{margin:0;color:#4f5b68}.feature-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:rgba(255,255,255,.75);font-weight:900}.coral{background:#ffe1de}.mint{background:#d9f5eb}.lilac{background:#eae3ff}.lemon{background:#fff2bd}.sky{background:#dcedfa}.peach{background:#ffe3d1}
.sync-story{display:grid;grid-template-columns:1.14fr .86fr;align-items:center;gap:70px;padding-top:70px}.story-image{padding:13px;background:white;border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow);transform:rotate(-1.2deg)}.story-image img{display:block;border-radius:22px}.story-copy>p{color:var(--muted)}.note-stack{margin-top:28px;display:grid;gap:10px}.note-stack div{display:flex;justify-content:space-between;gap:20px;padding:14px 16px;background:#f1f7f5;border-radius:14px}.note-stack span{color:var(--muted);font-size:14px}
.platform-section{width:100%;padding-inline:max(20px,calc((100% - 1180px)/2));background:#edf7fb}.download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.download-card{padding:28px 20px;border:1px solid rgba(255,255,255,.8);border-radius:22px;background:rgba(255,255,255,.82);text-align:center}.download-card h3{margin:16px 0 2px;font-size:22px}.download-card p{min-height:54px;margin:0 0 18px;color:var(--muted);font-size:14px}.os{display:grid;place-items:center;width:52px;height:52px;margin:auto;border-radius:17px;color:white;font-size:22px;font-weight:900}.windows{background:#5aa9e6}.mac{background:#8877d8}.android{background:#50b994}.ios{background:#ff8d86}.download-button{display:flex;align-items:center;justify-content:center;width:100%;min-width:170px;min-height:44px;padding:10px 16px;border-radius:13px;background:var(--ink);color:white;font-weight:800;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;transition:.2s}
.scene-row{display:grid;grid-template-columns:.85fr 1.3fr .85fr;gap:14px;align-items:stretch}.scene-row article{padding:32px;border:1px solid var(--line);border-radius:24px;background:white}.scene-row .scene-main{background:var(--coral);border-color:var(--coral);transform:translateY(-12px)}.scene-row article>span{font-size:28px}.scene-row h3{font-size:25px;margin:20px 0 8px}.scene-row p{color:#586577}.scene-row a{font-weight:800}
.voices{padding-top:50px}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quote-grid figure{margin:0;padding:30px;border-radius:24px;background:#f5f1ff}.quote-grid .quote-focus{background:#fff0d0}.quote-grid blockquote{margin:0 0 28px;font-size:17px;font-weight:650}.quote-grid figcaption{display:flex;align-items:center;gap:12px}.quote-grid figcaption>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:white;font-weight:900}.quote-grid b,.quote-grid small{display:block}.quote-grid small{color:var(--muted)}
.pricing-section{width:100%;padding-inline:max(20px,calc((100% - 1060px)/2));background:#f3faf7}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:center}.price-grid article{position:relative;padding:34px;border-radius:26px;background:white;border:1px solid var(--line)}.price-grid .featured{padding-block:54px;background:var(--ink);color:white;border:0;box-shadow:var(--shadow)}.price-grid h3{font-size:24px}.price{font-size:32px;font-weight:900;margin:16px 0 0}.price-grid ul{min-height:150px;padding-left:20px}.price-grid li{margin:9px 0}.popular{position:absolute;top:16px;right:16px;padding:5px 10px;border-radius:99px;background:var(--lemon);color:var(--ink);font-size:12px;font-weight:900}
.faq-section{display:grid;grid-template-columns:.72fr 1.28fr;gap:80px}.faq-intro{position:sticky;top:130px;align-self:start}.faq-intro>p{color:var(--muted)}.text-link{font-weight:900;color:var(--deep)}.accordion details{border-bottom:1px solid var(--line);padding:22px 0}.accordion summary{cursor:pointer;font-size:18px;font-weight:800;list-style:none}.accordion summary:after{content:"＋";float:right}.accordion details[open] summary:after{content:"－"}.accordion details p{color:var(--muted);padding-right:30px}
.final-cta{width:min(1180px,calc(100% - 40px));margin:0 auto 80px;padding:48px 56px;border-radius:30px;background:linear-gradient(110deg,#ff948c,#a992e9);color:white;display:flex;align-items:center;justify-content:space-between;gap:30px}.final-cta p{margin:0}.final-cta h2{margin:6px 0 0;font-size:clamp(28px,4vw,44px);line-height:1.15}
.site-footer{padding:70px max(20px,calc((100% - 1180px)/2)) 24px;background:#1f2d3d;color:#d9e2eb}.footer-main{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:40px}.footer-main h3{color:white;font-size:14px}.footer-main>div>a:not(.brand){display:block;margin:9px 0;color:#afbdca;font-size:14px}.footer-brand p{color:#9fb0bf}.footer-bottom{display:flex;justify-content:space-between;margin-top:50px;padding-top:20px;border-top:1px solid #354454;color:#8496a7;font-size:13px}.site-footer .brand-mark{background:var(--coral)}
.page-hero{padding:160px max(20px,calc((100% - 1180px)/2)) 80px;background:#eef8f5}.page-hero h1{font-size:clamp(44px,6vw,74px);max-width:900px}.page-hero p{max-width:680px;color:var(--muted);font-size:18px}.page-hero.download-intro{display:grid;grid-template-columns:1fr .9fr;gap:50px;align-items:center}.page-hero.download-intro img{display:block;border-radius:28px;box-shadow:var(--shadow)}
.download-layout{display:grid;grid-template-columns:250px 1fr;gap:60px}.download-aside{align-self:start;position:sticky;top:120px;padding:22px;background:#fff3dc;border-radius:20px}.download-aside a{display:block;padding:10px 12px;border-radius:10px;font-weight:700}.download-aside a:hover{background:white}.platform-list{display:grid;gap:18px}.platform-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:26px;border:1px solid var(--line);border-radius:24px;background:white}.platform-row p{margin:3px 0;color:var(--muted)}.platform-row .download-button{width:auto}.requirements{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.requirements article{padding:24px;border-radius:20px;background:#f1f7f5}.requirements h3{margin-top:0}
.help-hero{padding-bottom:120px;background:linear-gradient(135deg,#fff0e9,#edf8ff)}.search-box{display:flex;max-width:700px;margin-top:28px;padding:8px;background:white;border-radius:18px;box-shadow:var(--shadow)}.search-box input{flex:1;min-width:0;border:0;padding:12px;font:inherit;outline:0}.search-box button{border:0;border-radius:12px;padding:0 22px;background:var(--ink);color:white;font-weight:800}.help-categories{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:-58px;position:relative}.help-categories a{padding:26px;border-radius:22px;background:white;border:1px solid var(--line);box-shadow:0 12px 30px rgba(59,72,102,.07)}.help-categories b{display:block;font-size:20px}.help-categories span{color:var(--muted);font-size:14px}.guide-layout{display:grid;grid-template-columns:1fr 1fr;gap:50px}.steps{counter-reset:step}.step{position:relative;padding:0 0 30px 58px;counter-increment:step}.step:before{content:counter(step);position:absolute;left:0;top:0;display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--lilac);font-weight:900}.step:not(:last-child):after{content:"";position:absolute;left:17px;top:40px;bottom:4px;border-left:2px dashed var(--line)}.topic-list details{padding:20px;border:1px solid var(--line);border-radius:16px;margin-bottom:10px;background:white}.topic-list summary{cursor:pointer;font-weight:800}.topic-list p{color:var(--muted)}.contact-strip{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:38px;border-radius:26px;background:#dff5ed}.contact-strip h2{margin:0}.contact-strip p{margin:4px 0;color:var(--muted)}
.reveal{opacity:0;transform:translateY(16px);transition:.65s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.main-nav{display:none;position:absolute;top:76px;left:0;right:0;padding:12px;flex-direction:column;align-items:stretch;background:white;border-radius:18px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.nav-toggle{display:block}.hero{grid-template-columns:1fr;padding-top:130px}.hero-copy{justify-self:start}.hero-media{max-width:720px}.feature-grid{grid-template-columns:repeat(2,1fr)}.sync-story{grid-template-columns:1fr;gap:35px}.download-grid{grid-template-columns:repeat(2,1fr)}.scene-row{grid-template-columns:1fr}.scene-row .scene-main{transform:none}.quote-grid{grid-template-columns:1fr}.price-grid{grid-template-columns:1fr}.price-grid .featured{padding-block:42px}.faq-section{grid-template-columns:1fr;gap:30px}.faq-intro{position:static}.page-hero.download-intro{grid-template-columns:1fr}.download-layout{grid-template-columns:1fr}.download-aside{position:static;display:flex;flex-wrap:wrap}.help-categories{grid-template-columns:1fr}.guide-layout{grid-template-columns:1fr}.footer-main{grid-template-columns:2fr 1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:620px){.site-header{top:8px;width:calc(100% - 16px)}h1{font-size:44px}.hero{padding:112px 20px 65px;gap:32px;grid-template-columns:minmax(0,1fr)}.hero-copy{min-width:0}.hero-lead{font-size:16px}.hero-actions .button{width:100%}.hero-points{gap:8px 16px}.ribbon{grid-template-columns:1fr;padding:18px}.ribbon i{height:16px;width:0;border-left:1px dashed #798597;border-top:0;justify-self:center}.section{width:calc(100% - 28px);padding:80px 0}.split-head{display:block}.feature-grid{grid-template-columns:1fr}.feature-card.wide{grid-column:span 1}.download-grid{grid-template-columns:1fr}.download-card{width:100%}.download-button{min-width:0}.platform-row{grid-template-columns:auto 1fr}.platform-row .download-button{grid-column:1/-1;width:100%}.requirements{grid-template-columns:1fr}.final-cta{padding:34px 26px;display:block}.final-cta .button{margin-top:24px}.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.page-hero{padding-top:120px}.help-categories{margin-top:-38px}.search-box button{padding-inline:14px}.contact-strip{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* Hero media final compliance override — keep this block last. */
.hero{align-items:center!important}
.hero-media{align-self:center!important;height:auto!important;padding:0!important;margin:0!important;overflow:visible!important;clip-path:none!important;transform:none!important}
.hero-media img{display:block!important;width:100%!important;height:auto!important;object-fit:contain!important;object-position:center!important;min-height:0!important;max-height:none!important;margin:0!important;padding:0!important;clip-path:none!important;transform:none!important}