*,::after,::before{box-sizing:border-box;margin:0;padding:0}
:root{--wps-red:#ED3F3D;--wps-red-dark:#D02A28;--wps-red-light:#FFE9E8;--wps-orange:#FF7A4D;--wps-yellow:#FFD23F;--ink-1:#0F1115;--ink-2:#2A2D34;--ink-3:#4A4E58;--ink-4:#707682;--ink-5:#9CA1AC;--line:#E8EAF0;--line-2:#F0F2F6;--bg:#FFFFFF;--bg-soft:#F8F9FC;--bg-warm:#FFF8F4;--c-doc:#1D70F5;--c-sheet:#109968;--c-ppt:#DF4023;--c-pdf:#EB2F3B;--c-cloud:#5B6CFF;--c-ai-1:#FF6B6B;--c-ai-2:#A855F7;--c-ai-3:#3B82F6;--font-cn:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;--font-en:'Manrope',-apple-system,BlinkMacSystemFont,sans-serif;--header-h:68px;--container:1240px;--r-sm:12px;--r-md:18px;--r-lg:28px;--r-pill:999px;--sh-sm:0 2px 8px rgba(15, 17, 21, 0.04),0 1px 2px rgba(15, 17, 21, 0.06);--sh-md:0 12px 32px -8px rgba(15, 17, 21, 0.08),0 4px 12px -4px rgba(15, 17, 21, 0.06);--sh-lg:0 32px 80px -16px rgba(15, 17, 21, 0.16),0 12px 24px -8px rgba(15, 17, 21, 0.08);--sh-red:0 16px 40px -8px rgba(237, 63, 61, 0.35);--t-fast:0.18s cubic-bezier(.4,0,.2,1);--t:0.28s cubic-bezier(.4,0,.2,1);--t-slow:0.6s cubic-bezier(.4,0,.2,1)}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}
body{font-family:var(--font-cn);color:var(--ink-1);background:var(--bg);line-height:1.65;font-size:15px;font-feature-settings:"tnum" on;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul{list-style:none}
em,i{font-style:normal}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--line-2);z-index:1000}
.header-inner{max-width:var(--container);height:100%;margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px}
.logo svg{transition:transform var(--t)}
.logo:hover svg{transform:rotate(-6deg) scale(1.05)}
.logo-text{font-family:var(--font-en);font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--ink-1)}
.btn-download-nav{display:inline-flex;align-items:center;padding:10px 22px;background:var(--wps-red);color:#fff;font-size:14px;font-weight:600;border-radius:var(--r-pill);transition:background var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast)}
.btn-download-nav:hover{background:var(--wps-red-dark);transform:translateY(-1px);box-shadow:0 8px 20px -6px rgba(237,63,61,.45)}
.hero{position:relative;padding:calc(var(--header-h) + 80px) 0 90px;overflow:hidden;background:linear-gradient(180deg,#fff8f4 0,#fffaf6 30%,#fff 100%)}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;animation:floatBlob 18s ease-in-out infinite}
.hero-blob-1{top:-100px;right:-80px;width:520px;height:520px;background:radial-gradient(circle at 30% 30%,#ffc2ba 0,#ffe0cf 40%,transparent 70%)}
.hero-blob-2{bottom:-120px;left:-60px;width:460px;height:460px;background:radial-gradient(circle at 70% 70%,#ffd9c4 0,#ffe9d9 40%,transparent 70%);animation-delay:-6s}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(to right,rgba(15,17,21,.03) 1px,transparent 1px),linear-gradient(to bottom,rgba(15,17,21,.03) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at top,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at top,#000 20%,transparent 75%)}
@keyframes floatBlob{0%,100%{transform:translate(0,0) scale(1)}
  50%{transform:translate(20px,-30px) scale(1.05)}
}
.hero-inner{position:relative;max-width:var(--container);margin:0 auto;padding:0 28px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:60px;align-items:center}
.hero-text{animation:fadeUp .7s cubic-bezier(.4,0,.2,1) both}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);font-size:12.5px;font-weight:500;color:var(--ink-3);margin-bottom:24px;box-shadow:var(--sh-sm)}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--wps-red);position:relative;flex-shrink:0}
.dot-pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--wps-red);opacity:.4;animation:pulseRing 1.8s ease-out infinite}
@keyframes pulseRing{0%{transform:scale(.6);opacity:.6}
  100%{transform:scale(1.6);opacity:0}
}
.hero-text h1{font-size:clamp(36px, 4.5vw, 60px);font-weight:700;line-height:1.12;letter-spacing:-.025em;color:var(--ink-1);margin-bottom:22px}
.hero-h1-accent{background:linear-gradient(120deg,var(--wps-red) 0,var(--wps-orange) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;position:relative;display:inline-block}
.hero-h1-accent::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.18em;background:linear-gradient(120deg,rgba(237,63,61,.15),rgba(255,122,77,.15));border-radius:var(--r-pill);z-index:-1}
.hero-sub{font-size:16.5px;line-height:1.75;color:var(--ink-3);max-width:560px;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:24px}
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:16px 28px;background:var(--wps-red);color:#fff;font-size:15px;font-weight:600;border-radius:var(--r-pill);box-shadow:var(--sh-red);transition:transform var(--t),background var(--t),box-shadow var(--t);position:relative;overflow:hidden}
.btn-primary::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.25) 50%,transparent 70%);transform:translateX(-100%);transition:transform var(--t-slow)}
.btn-primary:hover{background:var(--wps-red-dark);transform:translateY(-2px);box-shadow:0 20px 44px -10px rgba(237,63,61,.5)}
.btn-primary:hover::before{transform:translateX(100%)}
.btn-meta{font-size:11.5px;font-weight:400;opacity:.78;margin-left:4px;padding-left:10px;border-left:1px solid rgba(255,255,255,.3)}
.btn-secondary{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;background:#fff;color:var(--ink-1);font-size:15px;font-weight:600;border:1px solid var(--line);border-radius:var(--r-pill);transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.btn-secondary:hover{transform:translateY(-2px);border-color:var(--ink-3);box-shadow:var(--sh-md)}
.btn-secondary .btn-meta{color:var(--ink-4);border-left-color:var(--line);opacity:1;font-weight:400}
.btn-ghost{display:inline-flex;align-items:center;padding:14px 22px;font-size:14.5px;font-weight:600;color:var(--ink-1);border-radius:var(--r-pill);transition:color var(--t),transform var(--t)}
.btn-ghost:hover{color:var(--wps-red);transform:translateX(3px)}
.hero-os{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:40px;font-size:13px;color:var(--ink-4)}
.hero-os-label{color:var(--ink-5)}
.hero-os p{color:var(--ink-3);font-weight:500;transition:color var(--t-fast)}
.dot-sep{width:3px;height:3px;border-radius:50%;background:var(--ink-5);opacity:.5}
.hero-stats{display:flex;align-items:center;gap:28px;padding:22px 26px;background:rgba(255,255,255,.7);border:1px solid var(--line-2);border-radius:var(--r-md);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);width:fit-content}
.stat strong{display:block;font-family:var(--font-en);font-size:26px;font-weight:800;color:var(--ink-1);letter-spacing:-.01em;line-height:1}
.stat strong em{font-family:var(--font-cn);font-size:14px;font-weight:600;color:var(--ink-3);margin-left:2px;vertical-align:2px}
.stat span{display:block;font-size:12.5px;color:var(--ink-4);margin-top:6px}
.stat-divider{width:1px;height:36px;background:var(--line)}
.hero-visual{position:relative;animation:fadeUp .8s cubic-bezier(.4,0,.2,1) .15s both}
.mockup-window{background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-lg);border:1px solid var(--line-2);overflow:hidden;transform:perspective(1400px) rotateY(-4deg) rotateX(2deg);transition:transform var(--t-slow)}
.mockup-window:hover{transform:perspective(1400px) rotateY(-2deg) rotateX(1deg)}
.mockup-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:linear-gradient(180deg,#fafbfd,#f4f6fa);border-bottom:1px solid var(--line-2)}
.mock-dot{width:11px;height:11px;border-radius:50%;flex-shrink:0}
.mock-dot-r{background:#ff5f57}
.mock-dot-y{background:#ffbd2e}
.mock-dot-g{background:#28c840}
.mock-title{flex:1;text-align:center;font-size:12px;color:var(--ink-4);font-weight:500}
.mockup-toolbar{display:flex;gap:4px;padding:8px 14px;background:var(--bg-soft);border-bottom:1px solid var(--line-2)}
.tab{font-size:12px;padding:6px 12px;border-radius:6px;color:var(--ink-3);font-weight:500}
.tab-active{background:#fff;color:var(--ink-1);box-shadow:var(--sh-sm)}
.tab-ai{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(120deg,rgba(237,63,61,.12),rgba(168,85,247,.12));color:var(--wps-red);font-weight:600;margin-left:auto}
.ai-star{font-size:11px}
.mockup-body{display:grid;grid-template-columns:1.6fr 1fr;gap:0;background:#fff;min-height:360px}
.mock-content{padding:24px}
.mock-h{font-size:16px;font-weight:700;color:var(--ink-1);margin-bottom:16px}
.mock-p{display:block;margin-bottom:12px;height:9px}
.mock-line{display:block;height:9px;background:linear-gradient(90deg,var(--line) 0,var(--line-2) 100%);border-radius:4px}
.w-60{width:60%}
.w-70{width:70%}
.w-75{width:75%}
.w-80{width:80%}
.w-85{width:85%}
.w-90{width:90%}
.w-95{width:95%}
.w-100{width:100%}
.mock-chart{display:flex;align-items:flex-end;gap:8px;height:80px;padding:12px;background:var(--bg-soft);border-radius:8px;margin:14px 0}
.mock-bar{flex:1;height:var(--h);background:linear-gradient(180deg,var(--wps-red) 0,var(--wps-orange) 100%);border-radius:4px 4px 0 0;animation:barRise 1.2s ease-out both}
.mock-bar:nth-child(2){background:linear-gradient(180deg,var(--c-doc),#5b9eff);animation-delay:50ms}
.mock-bar:nth-child(3){background:linear-gradient(180deg,var(--c-sheet),#38b27f);animation-delay:.1s}
.mock-bar:nth-child(4){background:linear-gradient(180deg,var(--c-ppt),#f85836);animation-delay:.15s}
.mock-bar:nth-child(5){background:linear-gradient(180deg,var(--c-cloud),#8b96ff);animation-delay:.2s}
.mock-bar:nth-child(6){animation-delay:.25s}
@keyframes barRise{from{height:0}
  to{height:var(--h)}
}
.mock-ai-panel{background:linear-gradient(180deg,#fafbff 0,#f4f1ff 100%);border-left:1px solid var(--line-2);padding:20px 18px;display:flex;flex-direction:column;gap:14px}
.mock-ai-head{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:#7c3aed}
.mock-ai-msg{background:#fff;padding:14px;border-radius:12px;font-size:12.5px;color:var(--ink-2);box-shadow:var(--sh-sm)}
.mock-ai-msg p{margin-bottom:8px}
.mock-ai-msg ul{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--ink-3)}
.mock-ai-msg li{display:flex;justify-content:space-between}
.mock-ai-msg em{color:var(--wps-red);font-weight:700}
.mock-ai-input{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:12px;color:var(--ink-4)}
.mock-send{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;background:var(--wps-red);color:#fff;border-radius:50%;font-size:12px;font-weight:700}
.float-chip{position:absolute;display:flex;align-items:center;gap:10px;padding:10px 14px 10px 10px;background:#fff;border-radius:14px;box-shadow:var(--sh-md);border:1px solid var(--line-2);font-size:12px;animation:floatChip 4s ease-in-out infinite}
.float-chip strong{display:block;font-size:12.5px;color:var(--ink-1);font-weight:600;line-height:1.2}
.float-chip span{font-size:11px;color:var(--ink-4)}
.chip-icon{width:32px;height:32px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px;font-family:var(--font-en)}
.chip-1{top:18%;left:-32px;animation-delay:0s}
.chip-2{top:50%;right:-28px;animation-delay:-1.3s}
.chip-3{bottom:12%;left:-8px;animation-delay:-2.6s}
@keyframes floatChip{0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
.trust-strip{position:relative;margin-top:80px;padding:22px 28px;background:rgba(255,255,255,.6);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);display:flex;flex-direction:column;gap:14px;align-items:center}
.trust-label{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--ink-4);font-weight:500}
.trust-track{display:flex;align-items:center;gap:22px;flex-wrap:wrap;justify-content:center}
.trust-item{font-size:13px;font-weight:600;color:var(--ink-3);font-family:var(--font-en);letter-spacing:-.01em;transition:color var(--t-fast)}
.trust-item:hover{color:var(--ink-1)}
.trust-dot{width:4px;height:4px;border-radius:50%;background:var(--ink-5);opacity:.4}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px}
.section-eyebrow{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:var(--wps-red-light);color:var(--wps-red);font-size:12.5px;font-weight:600;border-radius:var(--r-pill);margin-bottom:18px;letter-spacing:.02em}
.eyebrow-ai{background:linear-gradient(120deg,rgba(237,63,61,.1),rgba(168,85,247,.12));color:#7c3aed}
.section-title{font-size:clamp(28px, 3.4vw, 44px);font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--ink-1);margin-bottom:16px}
.title-accent{background:linear-gradient(120deg,var(--wps-red),var(--wps-orange));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section-desc{font-size:16px;line-height:1.75;color:var(--ink-3)}
.products-section{padding:120px 0 100px;background:#fff}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod-card{position:relative;display:block;padding:32px 28px 30px;border:1px solid var(--line-2);border-radius:var(--r-lg);background:#fff;overflow:hidden;transition:transform var(--t),box-shadow var(--t),border-color var(--t);isolation:isolate}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:transparent}
.prod-card-inner{position:relative;z-index:2}
.prod-icon{margin-bottom:22px;width:56px;height:56px;display:inline-flex;align-items:center;justify-content:center}
.prod-icon img{width:44px;height:44px}
.prod-card h3{font-size:22px;font-weight:700;color:var(--ink-1);letter-spacing:-.01em;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.prod-card p{font-size:14px;line-height:1.7;color:var(--ink-3);margin-bottom:24px;min-height:48px}
.prod-link{display:inline-flex;align-items:center;font-size:13.5px;font-weight:600;color:var(--ink-1);transition:color var(--t-fast),transform var(--t-fast)}
.prod-card:hover .prod-link{color:var(--wps-red);transform:translateX(4px)}
.prod-deco{position:absolute;border-radius:50%;filter:blur(50px);opacity:0;transition:opacity var(--t-slow);z-index:1}
.prod-card:hover .prod-deco{opacity:.8}
.prod-deco-doc{top:-40px;right:-40px;width:220px;height:220px;background:radial-gradient(circle,#c2daff,transparent 70%)}
.prod-deco-sheet{top:-40px;right:-40px;width:220px;height:220px;background:radial-gradient(circle,#bfe8d5,transparent 70%)}
.prod-deco-ppt{top:-40px;right:-40px;width:220px;height:220px;background:radial-gradient(circle,#ffcfc0,transparent 70%)}
.prod-deco-pdf{top:-40px;right:-40px;width:220px;height:220px;background:radial-gradient(circle,#ffc2c5,transparent 70%)}
.prod-deco-cloud{top:-40px;right:-40px;width:220px;height:220px;background:radial-gradient(circle,#c9cfff,transparent 70%)}
.prod-deco-ai{top:-40px;right:-40px;width:280px;height:280px;background:conic-gradient(from 0deg,#ffc2ba,#e5ccff,#c2daff,#ffc2ba)}
.badge-new{display:inline-block;background:linear-gradient(135deg,var(--wps-red),var(--wps-orange));color:#fff;font-size:9px;font-weight:700;padding:2px 6px;border-radius:4px;letter-spacing:.08em;text-transform:uppercase;vertical-align:4px}
.ai-section{padding:100px 0 110px;background:linear-gradient(180deg,#fafbfc 0,#f4f0fb 100%)}
.ai-features{display:flex;flex-direction:column;gap:24px}
.ai-feature{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);padding:56px;box-shadow:var(--sh-sm);transition:transform var(--t),box-shadow var(--t)}
.ai-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.ai-feature:nth-child(2n) .ai-feature-text{order:2}
.ai-tag{display:inline-block;padding:4px 12px;background:linear-gradient(120deg,#ffe8e5,#f3e5ff);color:var(--wps-red);font-size:12px;font-weight:700;border-radius:var(--r-pill);margin-bottom:18px;letter-spacing:.02em}
.ai-feature-text h3{font-size:28px;font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-bottom:16px;color:var(--ink-1)}
.ai-feature-text p{font-size:15px;line-height:1.75;color:var(--ink-3);margin-bottom:22px}
.ai-feature-list{display:flex;flex-direction:column;gap:10px}
.ai-feature-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);font-weight:500}
.ai-feature-list li i{display:inline-block;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--wps-red),var(--wps-orange));position:relative;flex-shrink:0}
.ai-feature-list li i::after{content:"";position:absolute;left:5px;top:7px;width:8px;height:4px;border-left:1.5px solid #fff;border-bottom:1.5px solid #fff;transform:rotate(-45deg)}
.ai-feature-visual{display:flex;align-items:center;justify-content:center}
.ai-mock{width:100%;background:linear-gradient(180deg,#fafbfd,#fff);border:1px solid var(--line-2);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-sm)}
.ai-mock-doc{display:flex;flex-direction:column;gap:16px}
.ai-mock-prompt{padding:12px 14px;background:linear-gradient(120deg,#fff0ee,#f3e5ff);color:var(--wps-red);font-size:13px;font-weight:600;border-radius:12px;border:1px solid rgba(237,63,61,.12)}
.ai-mock-out{display:flex;flex-direction:column;gap:10px;padding:8px 4px}
.ai-mock-out .line{display:block;height:9px;background:linear-gradient(90deg,#e8eaf0,#f0f2f6);border-radius:4px;animation:shimmer 2s ease-in-out infinite}
.ai-mock-out .typing{background:linear-gradient(90deg,var(--wps-red) 0,#ffb39a 100%)}
@keyframes shimmer{0%,100%{opacity:1}
  50%{opacity:.55}
}
.ai-mock-ppt{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.ppt-thumb{aspect-ratio:16/10;background:#fff;border:1px solid var(--line-2);border-radius:8px;padding:10px;display:flex;flex-direction:column;justify-content:flex-end;gap:4px;box-shadow:var(--sh-sm);position:relative;overflow:hidden}
.ppt-thumb::before{content:"";position:absolute;top:0;left:0;right:0;height:35%;background:linear-gradient(120deg,#ffe8e5,#f3e5ff)}
.ppt-thumb:nth-child(2)::before{background:linear-gradient(120deg,#e5f0ff,#ffe8e5)}
.ppt-thumb:nth-child(3)::before{background:linear-gradient(120deg,#e5ffec,#e5f0ff)}
.ppt-thumb:nth-child(4)::before{background:linear-gradient(120deg,#fff8d6,#ffe8e5)}
.ppt-thumb:nth-child(5)::before{background:linear-gradient(120deg,#f3e5ff,#e5f0ff)}
.ppt-thumb:nth-child(6)::before{background:linear-gradient(120deg,#ffe8e5,#fff8d6)}
.ppt-bar{display:block;height:5px;background:var(--line);border-radius:3px}
.ai-mock-sheet{font-size:12px;padding:0;overflow:hidden}
.sheet-row{display:grid;grid-template-columns:1.5fr 1fr 1fr;padding:12px 16px;border-bottom:1px solid var(--line-2)}
.sheet-head{background:var(--bg-soft);font-weight:700;color:var(--ink-2)}
.sheet-row .up{color:var(--c-sheet);font-weight:600}
.sheet-row .down{color:var(--wps-red);font-weight:600}
.sheet-formula{margin:14px;padding:10px 12px;background:linear-gradient(120deg,#fff0ee,#f3e5ff);border-radius:8px;color:#7c3aed;font-family:var(--font-en);font-weight:600;font-size:12px}
.cursor-blink{animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}
}
.ai-mock-pdf{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pdf-chat,.pdf-page{background:#fff;border:1px solid var(--line-2);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:8px}
.pdf-page .line{display:block;height:8px;background:var(--line-2);border-radius:3px}
.highlight{display:block;padding:6px 8px;background:linear-gradient(120deg,#fff8d6,#ffe8b6);border-radius:4px;font-size:11px;color:var(--ink-2);font-weight:600;line-height:1.5}
.pdf-chat{background:linear-gradient(180deg,#f3e5ff,#fff)}
.chat-q{background:var(--ink-1);color:#fff;padding:8px 12px;border-radius:12px 12px 4px 12px;font-size:12px;align-self:flex-end;max-width:80%}
.chat-a{background:#fff;padding:8px 12px;border-radius:12px 12px 12px 4px;font-size:12px;color:var(--ink-2);border:1px solid var(--line-2);align-self:flex-start;max-width:90%}
.chat-a strong{color:var(--wps-red)}
.compat-section{padding:110px 0;background:#fff}
.compat-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:32px}
.tab-btn{padding:10px 22px;font-size:13.5px;font-weight:500;color:var(--ink-3);background:var(--bg-soft);border:1px solid transparent;border-radius:var(--r-pill);cursor:pointer;transition:all var(--t-fast);text-decoration:none}
.tab-btn:hover{color:var(--ink-1);background:#fff;border-color:var(--line)}
.compat-tabs>a:first-child{background:var(--ink-1);color:#fff}
body:has(.compat-slide:target) .compat-tabs>a:first-child{background:var(--bg-soft);color:var(--ink-3)}
body:has(#compat-cloud:target) .compat-tabs>a[href="#compat-cloud"],body:has(#compat-doc:target) .compat-tabs>a[href="#compat-doc"],body:has(#compat-pdf:target) .compat-tabs>a[href="#compat-pdf"],body:has(#compat-ppt:target) .compat-tabs>a[href="#compat-ppt"],body:has(#compat-sheet:target) .compat-tabs>a[href="#compat-sheet"]{background:var(--ink-1);color:#fff;border-color:var(--ink-1)}
.compat-slides{display:flex;gap:0;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;scroll-padding:0;padding:4px 0;margin:0 -28px;padding-left:28px;padding-right:28px}
.compat-slides::-webkit-scrollbar{display:none}
.compat-slide{flex:0 0 100%;scroll-snap-align:center;scroll-snap-stop:always;scroll-margin-top:calc(var(--header-h) + 24px)}
.compat-slide-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center;background:var(--bg-soft);border-radius:var(--r-lg);padding:56px;border:1px solid var(--line-2)}
.compat-text h3{font-size:26px;font-weight:700;line-height:1.3;margin-bottom:16px;letter-spacing:-.01em}
.compat-text p{font-size:15px;line-height:1.75;color:var(--ink-3);margin-bottom:24px}
.compat-feats{display:flex;flex-wrap:wrap;gap:10px}
.compat-feats span{padding:6px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);font-size:13px;color:var(--ink-2);font-weight:500}
.compat-visual{display:flex;align-items:center;justify-content:center}
.compat-mock{width:100%;background:#fff;border-radius:var(--r-md);border:1px solid var(--line-2);box-shadow:var(--sh-md);overflow:hidden}
.cm-doc{display:flex;min-height:280px}
.cm-side{width:36px;background:linear-gradient(180deg,#fafbfd,#f0f2f6);border-right:1px solid var(--line-2)}
.cm-page{flex:1;padding:24px;display:flex;flex-direction:column;gap:10px}
.cm-line{display:block;height:9px;background:var(--line-2);border-radius:3px}
.cm-h{background:var(--ink-2);height:16px;margin-bottom:8px}
.cm-img{height:80px;background:linear-gradient(135deg,#ffe8e5,#f3e5ff);border-radius:8px;margin:8px 0;position:relative;overflow:hidden}
.cm-img::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 60%,#ffb39a 0,transparent 50%),radial-gradient(circle at 80% 40%,#b5a0ff 0,transparent 50%);opacity:.5}
.cm-sheet{padding:24px}
.cm-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}
.cm-grid span{height:28px;background:var(--bg-soft);border-radius:4px;border:1px solid var(--line-2)}
.cm-grid .hi{background:linear-gradient(120deg,var(--c-sheet),#38b27f);border-color:var(--c-sheet)}
.cm-ppt{padding:24px;display:grid;grid-template-columns:2fr 1fr;gap:14px}
.cm-slide-main{background:linear-gradient(135deg,#ffe8e5,#f3e5ff);border-radius:8px;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;min-height:200px}
.cm-slide-list{display:flex;flex-direction:column;gap:8px}
.cm-mini{flex:1;background:var(--bg-soft);border-radius:6px;border:1px solid var(--line-2);position:relative}
.cm-mini-active{background:linear-gradient(135deg,#ffe8e5,#f3e5ff);border-color:var(--wps-red)}
.cm-pdf{padding:0}
.pdf-toolbar{display:flex;gap:6px;padding:10px 14px;background:linear-gradient(180deg,#fafbfd,#f4f6fa);border-bottom:1px solid var(--line-2)}
.pdf-toolbar span{width:22px;height:22px;background:var(--line);border-radius:4px}
.pdf-content{padding:24px;display:flex;flex-direction:column;gap:10px;position:relative;min-height:200px}
.cm-stamp{position:absolute;bottom:24px;right:24px;padding:8px 16px;background:var(--wps-red);color:#fff;font-size:13px;font-weight:700;border-radius:8px;transform:rotate(-8deg);border:2px solid #fff;box-shadow:0 4px 12px rgba(237,63,61,.3)}
.cm-cloud{padding:0;position:relative}
.cm-cloud .cm-page{padding:24px 24px 60px}
.cm-with-cursor{position:relative}
.cursor{position:absolute;top:-22px;left:30%;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;border:2px solid #fff;box-shadow:var(--sh-sm)}
.cursor::after{content:"";position:absolute;bottom:-6px;left:50%;transform:translateX(-50%);width:2px;height:16px;background:currentColor}
.cursor-r{background:var(--wps-red);color:var(--wps-red)}
.cursor-r::after{background:var(--wps-red)}
.cursor-b{background:var(--c-doc);color:var(--c-doc);left:60%}
.cursor-b::after{background:var(--c-doc)}
.cm-with-cursor-2{margin-top:26px}
.cm-avatars{position:absolute;top:14px;right:18px;display:flex;align-items:center}
.cm-avatars .ava{width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;border:2px solid #fff;margin-left:-6px}
.cm-avatars .ava:first-child{margin-left:0}
.ava-r{background:var(--wps-red)}
.ava-b{background:var(--c-doc)}
.ava-g{background:var(--c-sheet)}
.ava-y{background:var(--ink-3)}
.compat-hint{text-align:center;margin-top:18px;font-size:12px;color:var(--ink-5);letter-spacing:.04em}
.testimonials-section{padding:110px 0;background:#fff}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.testimonial-card{position:relative;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-md);padding:32px 28px;display:flex;flex-direction:column;gap:18px;transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:transparent}
.quote-mark{font-family:Georgia,serif;font-size:60px;line-height:.7;color:var(--wps-red-light);height:28px;font-weight:800}
.testimonial-card blockquote{font-size:15px;line-height:1.7;color:var(--ink-2);flex:1;font-weight:500}
.t-author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line-2)}
.t-author strong{display:block;font-size:14px;font-weight:600;color:var(--ink-1)}
.t-author span{display:block;font-size:12px;color:var(--ink-4);margin-top:2px}
.t-ava{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}
.t-ava-r{background:linear-gradient(135deg,var(--wps-red),var(--wps-orange))}
.t-ava-b{background:linear-gradient(135deg,var(--c-doc),#5b9eff)}
.t-ava-g{background:linear-gradient(135deg,var(--c-sheet),#38b27f)}
.t-ava-y{background:linear-gradient(135deg,var(--wps-yellow),orange)}
.t-ava-p{background:linear-gradient(135deg,var(--c-ai-2),#c084fc)}
.t-ava-c{background:linear-gradient(135deg,var(--c-cloud),#8b96ff)}
.faq-section{padding:110px 0;background:var(--bg-soft)}
.faq-list{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line-2)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{list-style:none;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:24px 28px;font-size:16px;font-weight:600;color:var(--ink-1);gap:16px;transition:background var(--t-fast),color var(--t-fast)}
.faq-q:hover{background:var(--bg-soft)}
.faq-icon{width:28px;height:28px;border-radius:50%;background:var(--bg-soft);display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:300;color:var(--ink-3);flex-shrink:0;transition:all var(--t)}
.faq-item[open] .faq-q{color:var(--wps-red)}
.faq-item[open] .faq-icon{background:var(--wps-red);color:#fff;transform:rotate(45deg)}
.faq-a{padding:0 28px 24px;animation:faqOpen .3s ease both}
@keyframes faqOpen{from{opacity:0;transform:translateY(-4px)}
  to{opacity:1;transform:translateY(0)}
}
.faq-a p{font-size:14.5px;line-height:1.8;color:var(--ink-3)}
.faq-a a{color:var(--wps-red);font-weight:500}
.faq-a a:hover{text-decoration:underline}
.cta-section{padding:60px 0 110px;background:var(--bg-soft)}
.cta-inner{position:relative;background:linear-gradient(135deg,#1a1b1f 0,#2a1e2e 50%,#4a1b1b 100%);border-radius:var(--r-lg);padding:80px 40px;text-align:center;color:#fff;overflow:hidden;isolation:isolate}
.cta-deco{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:-1}
.cta-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.cb-1{top:-100px;right:-50px;width:400px;height:400px;background:radial-gradient(circle,var(--wps-red),transparent 70%)}
.cb-2{bottom:-120px;left:-80px;width:380px;height:380px;background:radial-gradient(circle,var(--c-ai-2),transparent 70%)}
.cta-eyebrow{display:inline-block;padding:6px 14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.85);font-size:12.5px;font-weight:600;border-radius:var(--r-pill);margin-bottom:22px;backdrop-filter:blur(10px)}
.cta-inner h2{font-size:clamp(28px, 3.4vw, 44px);font-weight:700;letter-spacing:-.02em;line-height:1.2;margin-bottom:18px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.75);margin-bottom:36px;max-width:520px;margin-left:auto;margin-right:auto}
.cta-actions{display:inline-flex;align-items:center;gap:8px}
.cta-actions .btn-primary{background:#fff;color:var(--wps-red);box-shadow:0 16px 40px rgba(0,0,0,.3)}
.cta-actions .btn-primary:hover{background:#fff;color:var(--wps-red-dark)}
.cta-actions .btn-ghost{color:#fff}
.cta-actions .btn-ghost:hover{color:rgba(255,255,255,.7)}
.footer{background:#0f1115;color:#9ca1ac;padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:40px;padding-bottom:56px;border-bottom:1px solid #2a2d34}
.footer-brand .footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .footer-logo span{font-family:var(--font-en);font-size:18px;font-weight:700;color:#fff;letter-spacing:-.01em}
.footer-tag{font-size:13.5px;line-height:1.7;color:#9ca1ac;margin-bottom:22px;max-width:280px}
.footer-col h4{font-size:13px;font-weight:700;color:#fff;margin-bottom:18px;text-transform:uppercase;letter-spacing:.06em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:#9ca1ac;transition:color var(--t-fast),transform var(--t-fast);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{padding:28px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-bottom p{font-size:12.5px;color:#707682}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{font-size:12.5px;color:#707682;transition:color var(--t-fast)}
.footer-links a:hover{color:#fff}
@media (max-width:1100px){.hero-inner{grid-template-columns:1fr;gap:56px;text-align:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-stats{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-os{justify-content:center}
  .hero-text h1 br{display:none}
  .float-chip{display:none}
  .mockup-window{transform:none;max-width:700px;margin:0 auto}
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .ai-feature{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .ai-feature:nth-child(2n) .ai-feature-text{order:0}
  .ai-feature-text h3{font-size:24px}
  .privacy-cards{grid-template-columns:repeat(2,1fr)}
  .testimonials-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){:root{--header-h:60px}
  .hero{padding-top:calc(var(--header-h) + 56px);padding-bottom:56px}
  .hero-text h1{font-size:36px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-primary,.btn-secondary{justify-content:center}
  .hero-stats{padding:18px;gap:14px;flex-wrap:wrap}
  .stat-divider{display:none}
  .mockup-body{grid-template-columns:1fr}
  .mock-ai-panel{border-left:none;border-top:1px solid var(--line-2)}
  .products-grid{grid-template-columns:1fr}
  .ai-feature{padding:32px 24px}
  .compat-slide-inner{grid-template-columns:1fr;padding:32px 24px;gap:32px}
  .compat-text h3 br{display:none}
  .privacy-cards{grid-template-columns:1fr}
  .testimonials-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .cta-inner{padding:56px 24px}
  .cta-actions{flex-direction:column;gap:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){.container{padding:0 20px}
  .header-inner{padding:0 20px}
  .logo-text{display:none}
  .section-head{margin-bottom:40px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .compat-tabs{gap:6px}
  .tab-btn{padding:8px 14px;font-size:12.5px}
}