:root{--primary:#4f46e5;--primary-light:#6366f1;--primary-dark:#3730a3;--primary-bg:#4f46e50f;--accent:#ff6b35;--accent-light:#ff8f66;--accent-dark:#e5551f;--text-primary:#1a1a2e;--text-secondary:#64748b;--text-muted:#94a3b8;--bg-white:#fff;--bg-light:#f8fafc;--bg-section:#f1f5f9;--border:#e2e8f0;--border-light:#f1f5f9;--gradient-hero:linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);--gradient-accent:linear-gradient(135deg, #ff6b35 0%, #ff8f66 100%);--gradient-card:linear-gradient(180deg, #fff 0%, #f8fafc 100%);--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #00000012, 0 2px 4px #0000000a;--shadow-lg:0 12px 40px #0000001a, 0 4px 12px #0000000d;--shadow-xl:0 20px 60px #0000001f, 0 8px 20px #0000000f;--shadow-primary:0 8px 30px #4f46e54d;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono:"SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-spring:cubic-bezier(.34, 1.56, .64, 1);--section-gap:120px;--content-width:1200px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}ul,ol{list-style:none}.fade-up{opacity:0;transition:opacity .8s var(--ease-out), transform .8s var(--ease-out);transform:translateY(40px)}.fade-up.visible{opacity:1;transform:translateY(0)}.fade-up-delay-1{transition-delay:.1s}.fade-up-delay-2{transition-delay:.2s}.fade-up-delay-3{transition-delay:.3s}.fade-up-delay-4{transition-delay:.4s}.navbar{z-index:1000;height:72px;transition:all .35s var(--ease-out);background:0 0;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.navbar.scrolled{-webkit-backdrop-filter:blur(20px)saturate(180%);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);background:#ffffffe0}.navbar-inner{width:var(--content-width);justify-content:space-between;align-items:center;max-width:100%;margin:0 auto;padding:0 40px;display:flex}.navbar-brand{color:var(--bg-white);align-items:center;gap:10px;font-size:20px;font-weight:700;transition:color .35s;display:flex}.navbar.scrolled .navbar-brand{color:var(--text-primary)}.navbar-brand .brand-icon{border-radius:var(--radius-sm);background:var(--bg-white);width:36px;height:36px;color:var(--primary);justify-content:center;align-items:center;font-size:18px;font-weight:800;transition:background .35s,color .35s;display:flex}.navbar.scrolled .navbar-brand .brand-icon{background:var(--primary);color:var(--bg-white)}.navbar-links{align-items:center;gap:36px;display:flex}.navbar-links a{color:#ffffffd9;font-size:15px;font-weight:500;transition:color .25s;position:relative}.navbar-links a:after{content:"";background:var(--accent);width:0;height:2px;transition:width .3s var(--ease-out);border-radius:1px;position:absolute;bottom:-4px;left:0}.navbar-links a:hover:after{width:100%}.navbar.scrolled .navbar-links a{color:var(--text-secondary)}.navbar.scrolled .navbar-links a:hover{color:var(--text-primary)}.navbar-cta{border-radius:var(--radius-full);background:var(--bg-white);transition:all .3s var(--ease-out);box-shadow:var(--shadow-sm);padding:8px 24px;font-size:14px;font-weight:600;color:var(--primary)!important}.navbar.scrolled .navbar-cta{background:var(--primary);color:var(--bg-white)!important}.navbar-cta:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.mobile-menu-btn{flex-direction:column;gap:5px;padding:4px;display:none}.mobile-menu-btn span{background:var(--bg-white);width:22px;height:2px;transition:all .3s var(--ease-out);border-radius:2px}.navbar.scrolled .mobile-menu-btn span{background:var(--text-primary)}.hero{background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 25%,#a855f7 50%,#7c3aed 75%,#4f46e5 100%) 0 0/300% 300%;justify-content:center;align-items:center;min-height:100vh;padding:120px 40px 80px;animation:12s infinite gradient-shift;display:flex;position:relative;overflow:hidden}.hero-bg-shapes{pointer-events:none;position:absolute;inset:0;overflow:hidden}.hero-bg-shapes .shape{opacity:.12;background:#fff;border-radius:50%;position:absolute}.hero-bg-shapes .shape-1{width:600px;height:600px;animation:20s ease-in-out infinite float-slow;top:-200px;right:-150px}.hero-bg-shapes .shape-2{width:400px;height:400px;animation:15s ease-in-out infinite reverse float-slow;bottom:-100px;left:-100px}.hero-bg-shapes .shape-3{width:200px;height:200px;animation:12s ease-in-out 2s infinite float-slow;top:30%;left:15%}@keyframes float-slow{0%,to{transform:translate(0)scale(1)}33%{transform:translate(30px,-30px)scale(1.05)}66%{transform:translate(-20px,20px)scale(.95)}}@keyframes gradient-shift{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}@keyframes shimmer{0%{background-position:-200%}to{background-position:200%}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #4f46e526}50%{box-shadow:0 0 40px #4f46e54d}}@keyframes progress-fill{0%{width:0%}to{width:65%}}@keyframes icon-float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.hero-content{z-index:2;text-align:center;max-width:800px;position:relative}.hero-badge{border-radius:var(--radius-full);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;animation:fadeInDown .8s var(--ease-out);background:#ffffff26;border:1px solid #fff3;align-items:center;gap:8px;margin-bottom:32px;padding:6px 16px 6px 8px;font-size:14px;font-weight:500;display:inline-flex}.hero-badge .badge-dot{background:#4ade80;border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite pulse-dot;box-shadow:0 0 8px #4ade80}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.8)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.hero-title{color:#fff;letter-spacing:-1.5px;animation:fadeInUp .8s var(--ease-out) .1s both;margin-bottom:24px;font-size:64px;font-weight:800;line-height:1.15}.hero-title .highlight{display:inline-block;position:relative}.hero-title .highlight:after{content:"";background:var(--accent);opacity:.6;z-index:-1;border-radius:6px;height:12px;position:absolute;bottom:4px;left:0;right:0}.hero-subtitle{color:#fffc;max-width:600px;animation:fadeInUp .8s var(--ease-out) .2s both;margin:0 auto 48px;font-size:20px;line-height:1.7}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-actions{animation:fadeInUp .8s var(--ease-out) .3s both;flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.btn{border-radius:var(--radius-full);transition:all .3s var(--ease-out);align-items:center;gap:8px;padding:16px 36px;font-size:16px;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn-primary{color:var(--primary);box-shadow:var(--shadow-lg);background:#fff}.btn-primary:hover{box-shadow:var(--shadow-xl);transform:translateY(-2px)}.btn-outline{color:#fff;background:0 0;border:2px solid #ffffff59}.btn-outline:hover{background:#ffffff1a;border-color:#fff9;transform:translateY(-2px)}.btn-accent{background:var(--gradient-accent);color:#fff;box-shadow:0 8px 30px #ff6b3559}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 40px #ff6b3573}.hero-stats{animation:fadeInUp .8s var(--ease-out) .5s both;justify-content:center;gap:64px;margin-top:72px;display:flex}.hero-stat{text-align:center;color:#fff}.hero-stat-number{letter-spacing:-1px;font-size:40px;font-weight:800;line-height:1}.hero-stat-label{color:#ffffffa6;margin-top:8px;font-size:14px;font-weight:500}.hero-scroll-hint{color:#ffffff80;flex-direction:column;align-items:center;gap:8px;font-size:14px;animation:2s ease-in-out infinite bounce-down;display:flex;position:absolute;bottom:36px;left:50%;transform:translate(-50%)}.hero-scroll-hint .scroll-arrow{width:24px;height:24px}@keyframes bounce-down{0%,to{transform:translate(-50%)translateY(0)}50%{transform:translate(-50%)translateY(8px)}}.section{padding:var(--section-gap) 40px}.section-header{text-align:center;max-width:640px;margin:0 auto 72px}.section-tag{border-radius:var(--radius-full);background:var(--primary-bg);color:var(--primary);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:6px;margin-bottom:16px;padding:5px 14px;font-size:13px;font-weight:600;display:inline-flex}.section-title{color:var(--text-primary);letter-spacing:-1px;margin-bottom:16px;font-size:44px;font-weight:800;line-height:1.2}.section-desc{color:var(--text-secondary);font-size:18px;line-height:1.7}.features{background:var(--bg-light)}.features-grid{width:var(--content-width);grid-template-columns:repeat(3,1fr);gap:28px;max-width:100%;margin:0 auto;display:grid}.feature-card{background:var(--bg-white);border-radius:var(--radius-lg);transition:all .4s var(--ease-out);border:1px solid var(--border-light);padding:44px 36px;position:relative;overflow:hidden}.feature-card:before{content:"";background:var(--gradient-hero);opacity:0;height:3px;transition:opacity .4s;position:absolute;top:0;left:0;right:0}.feature-card:hover{box-shadow:var(--shadow-lg);border-color:#0000;transform:translateY(-6px)scale(1.02)}.feature-card:hover:before{opacity:1}.feature-card:hover .feature-icon{animation:1.5s ease-in-out infinite icon-float}.feature-icon{border-radius:var(--radius-md);background:var(--primary-bg);justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:24px;font-size:26px;display:flex}.feature-card:nth-child(2) .feature-icon{background:#ff6b3514}.feature-card:nth-child(3) .feature-icon{background:#10b98114}.feature-card:nth-child(4) .feature-icon{background:#f59e0b14}.feature-card:nth-child(5) .feature-icon{background:#ef444414}.feature-card:nth-child(6) .feature-icon{background:#6366f114}.feature-title{color:var(--text-primary);margin-bottom:12px;font-size:20px;font-weight:700}.feature-desc{color:var(--text-secondary);font-size:15px;line-height:1.7}.showcase{background:var(--bg-white)}.showcase-content{width:var(--content-width);max-width:100%;margin:0 auto}.showcase-row{align-items:center;gap:80px;margin-bottom:100px;display:flex}.showcase-row:last-child{margin-bottom:0}.showcase-row.reverse{flex-direction:row-reverse}.showcase-text{flex:1}.showcase-text .section-tag{margin-bottom:12px}.showcase-text h3{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:16px;font-size:36px;font-weight:800;line-height:1.25}.showcase-text p{color:var(--text-secondary);margin-bottom:28px;font-size:17px;line-height:1.8}.showcase-highlights{flex-direction:column;gap:14px;display:flex}.showcase-highlights li{color:var(--text-primary);align-items:center;gap:12px;font-size:15px;font-weight:500;display:flex}.showcase-highlights li .check-icon{color:#10b981;width:22px;height:22px;transition:all .4s var(--ease-out);background:#10b9811a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;display:flex}.showcase-highlights li{opacity:0;transition:opacity .5s var(--ease-out), transform .5s var(--ease-out);transform:translate(-20px)}.showcase-highlights li.reveal{opacity:1;transform:translate(0)}.showcase-highlights li.reveal .check-icon{animation:2s ease-in-out .5s infinite icon-float}.battle-progress-bar{width:0%;transition:width 1.5s var(--ease-out)}.battle-progress.animated .battle-progress-bar{width:65%}.showcase-visual{flex:1;justify-content:center;display:flex}.showcase-mockup{aspect-ratio:4/3;border-radius:var(--radius-lg);background:var(--gradient-hero);width:100%;max-width:480px;box-shadow:var(--shadow-xl);transition:transform .6s var(--ease-out), box-shadow .6s var(--ease-out);position:relative;overflow:hidden}.showcase-mockup:hover{transform:translateY(-8px)scale(1.02);box-shadow:0 30px 80px #00000026,0 12px 30px #00000014}.showcase-mockup:after{content:"";background:radial-gradient(circle at 30% 40%,#ffffff26 0%,#0000 60%),radial-gradient(circle at 70% 80%,#ffffff14 0%,#0000 40%);position:absolute;inset:0}.mockup-inner{border-radius:var(--radius-md);background:#fffffff2;flex-direction:column;gap:16px;padding:24px;display:flex;position:absolute;inset:24px}.mockup-header{align-items:center;gap:12px;display:flex}.mockup-avatar{background:var(--gradient-hero);border-radius:50%;width:36px;height:36px}.mockup-info{flex:1}.mockup-name{background:var(--text-primary);border-radius:5px;width:80px;height:10px;margin-bottom:6px}.mockup-level{background:var(--border);border-radius:4px;width:50px;height:8px}.mockup-word-card{background:var(--bg-light);border-radius:var(--radius-sm);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:20px;display:flex}.mockup-word{color:var(--primary);font-size:28px;font-weight:800}.mockup-phonetic{background:var(--border);border-radius:4px;width:120px;height:8px}.mockup-meaning{background:var(--border);border-radius:4px;width:160px;height:8px}.mockup-options{grid-template-columns:1fr 1fr;gap:8px;display:grid}.mockup-option{background:var(--bg-light);border:1.5px solid var(--border);border-radius:8px;height:36px}.mockup-option.correct{background:#10b9811a;border-color:#10b981}.showcase-mockup-alt{aspect-ratio:4/3;border-radius:var(--radius-lg);width:100%;max-width:480px;box-shadow:var(--shadow-xl);transition:transform .6s var(--ease-out), box-shadow .6s var(--ease-out);background:linear-gradient(135deg,#ff6b35 0%,#ff8f66 50%,#fbbf24 100%);position:relative;overflow:hidden}.showcase-mockup-alt:hover{transform:translateY(-8px)scale(1.02);box-shadow:0 30px 80px #00000026,0 12px 30px #00000014}.showcase-mockup-alt:after{content:"";background:radial-gradient(circle at 70% 30%,#ffffff2e 0%,#0000 60%);position:absolute;inset:0}.showcase-mockup-alt .mockup-inner{background:#fffffff2}.battle-mockup{flex-direction:column;gap:12px;display:flex}.battle-vs{justify-content:center;align-items:center;gap:20px;padding:8px 0;display:flex}.battle-player{flex-direction:column;align-items:center;gap:8px;display:flex}.battle-player .avatar{background:var(--gradient-hero);border-radius:50%;width:48px;height:48px}.battle-player:last-child .avatar{background:var(--gradient-accent)}.battle-player .name{background:var(--text-primary);border-radius:4px;width:60px;height:8px}.battle-player .score{color:var(--primary);font-size:24px;font-weight:800}.battle-player:last-child .score{color:var(--accent)}.vs-text{color:var(--text-muted);font-size:20px;font-weight:800}.battle-progress{background:var(--bg-light);border-radius:4px;height:8px;overflow:hidden}.battle-progress-bar{background:var(--gradient-hero);border-radius:4px;height:100%}.battle-word-area{background:var(--bg-light);border-radius:var(--radius-sm);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;padding:16px;display:flex}.battle-timer{color:var(--accent);font-size:32px;font-weight:800}.battle-word{color:var(--text-primary);font-size:22px;font-weight:700}.stats-section{background:var(--gradient-hero);position:relative;overflow:hidden}.stats-section:before{content:"";background:radial-gradient(circle at 20%,#ffffff14 0%,#0000 50%),radial-gradient(circle at 80%,#ffffff0d 0%,#0000 40%);position:absolute;inset:0}.stats-bg-decor{pointer-events:none;position:absolute;inset:0;overflow:hidden}.stats-circle{border:1px solid #ffffff14;border-radius:50%;position:absolute}.stats-circle-1{width:500px;height:500px;animation:25s ease-in-out infinite float-slow;top:-200px;left:-100px}.stats-circle-2{width:350px;height:350px;animation:18s ease-in-out infinite reverse float-slow;bottom:-150px;right:-80px}.stats-grid{width:var(--content-width);z-index:1;grid-template-columns:repeat(4,1fr);gap:32px;max-width:100%;margin:0 auto;display:grid;position:relative}.stat-item{text-align:center;color:#fff;border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(10px);transition:all .4s var(--ease-out);background:#ffffff14;border:1px solid #ffffff1a;padding:36px 20px}.stat-item:hover{background:#ffffff24;border-color:#fff3;transform:translateY(-4px)}.stat-icon-wrap{color:#ffffffd9;width:52px;height:52px;transition:all .4s var(--ease-out);background:#ffffff1f;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 20px;display:flex}.stat-item:hover .stat-icon-wrap{background:#fff3;transform:scale(1.1)}.stat-number{letter-spacing:-2px;margin-bottom:8px;font-size:48px;font-weight:800;line-height:1}.counter{display:inline}.stat-unit{opacity:.8;font-size:20px;font-weight:600}.stat-label{color:#ffffffa6;margin-top:4px;font-size:15px;font-weight:500}.download-section{background:var(--bg-light)}.download-card{width:var(--content-width);background:var(--bg-white);border-radius:var(--radius-xl);text-align:center;max-width:100%;box-shadow:var(--shadow-lg);border:1px solid var(--border-light);margin:0 auto;padding:80px 60px;position:relative;overflow:hidden}.download-card:before{content:"";background:var(--gradient-hero);height:4px;position:absolute;top:0;left:0;right:0}.download-card:after{content:"";pointer-events:none;background:radial-gradient(circle,#4f46e50a 0%,#0000 70%);border-radius:50%;width:400px;height:400px;position:absolute;top:-200px;right:-100px}.download-card h2{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:16px;font-size:40px;font-weight:800;position:relative}.download-card p{color:var(--text-secondary);max-width:500px;margin-bottom:40px;margin-left:auto;margin-right:auto;font-size:18px;position:relative}.download-buttons{flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:32px;display:flex}.download-btn{border-radius:var(--radius-md);transition:all .3s var(--ease-out);align-items:center;gap:12px;padding:16px 32px;font-size:16px;font-weight:600;display:inline-flex}.download-btn-ios{background:var(--text-primary);color:#fff;z-index:1;position:relative}.download-btn-ios:hover{transform:translateY(-3px)scale(1.03);box-shadow:0 12px 30px #1a1a2e4d}.download-btn-android{background:var(--primary);color:#fff;z-index:1;position:relative}.download-btn-android:hover{transform:translateY(-3px)scale(1.03);box-shadow:0 12px 30px #4f46e566}.download-btn .btn-icon{font-size:22px}.download-btn .btn-text{text-align:left}.download-btn .btn-text small{opacity:.75;font-size:11px;font-weight:400;display:block}.download-btn .btn-text span{font-size:16px;font-weight:600;display:block}.download-qr{justify-content:center;gap:40px;margin-top:32px;display:flex}.qr-item{flex-direction:column;align-items:center;gap:8px;display:flex}.qr-placeholder{border-radius:var(--radius-md);background:var(--bg-light);border:2px dashed var(--border);width:120px;height:120px;color:var(--text-muted);transition:all .3s var(--ease-out);justify-content:center;align-items:center;font-size:13px;display:flex}.qr-item:hover .qr-placeholder{border-color:var(--primary);background:var(--primary-bg);color:var(--primary);transform:scale(1.05)}.qr-label{color:var(--text-secondary);font-size:13px;font-weight:500}.footer{background:var(--text-primary);color:#ffffffa6;padding:64px 40px 0;position:relative}.footer:before{content:"";background:var(--gradient-hero);height:3px;position:absolute;top:0;left:0;right:0}.footer-inner{width:var(--content-width);max-width:100%;margin:0 auto}.footer-top{border-bottom:1px solid #ffffff14;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;display:grid}.footer-brand{max-width:320px}.footer-brand-name{color:#fff;align-items:center;gap:10px;margin-bottom:16px;font-size:20px;font-weight:700;display:flex}.footer-brand-name .brand-icon{border-radius:var(--radius-sm);background:var(--primary);color:#fff;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;font-weight:800;display:flex}.footer-brand p{color:#ffffff80;font-size:14px;line-height:1.7}.footer-col h4{color:#fff;text-transform:uppercase;letter-spacing:.5px;margin-bottom:20px;font-size:14px;font-weight:600}.footer-col ul{flex-direction:column;gap:12px;display:flex}.footer-col a{color:#ffffff80;transition:color .25s, transform .25s var(--ease-out);font-size:14px;display:inline-block}.footer-col a:hover{color:#fff;transform:translate(4px)}.footer-bottom{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:28px 0;display:flex}.footer-copyright{color:#ffffff59;font-size:13px}.footer-icp{align-items:center;gap:16px;display:flex}.footer-icp a{color:#fff6;font-size:13px;transition:color .25s}.footer-icp a:hover{color:#ffffffb3}@media (width<=1024px){:root{--section-gap:80px}.hero-title{font-size:44px}.hero-subtitle{font-size:17px}.hero-stats{gap:40px}.hero-stat-number{font-size:32px}.features-grid{grid-template-columns:repeat(2,1fr)}.section-title{font-size:34px}.showcase-row{gap:48px;flex-direction:column!important}.showcase-text h3{font-size:28px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}.stat-item{padding:32px 20px}.stat-number{font-size:40px}.footer-top{grid-template-columns:1fr 1fr;gap:36px}.mockup-inner{gap:12px;padding:16px;inset:16px}.mockup-word{font-size:22px}.battle-player .score{font-size:20px}.battle-timer{font-size:26px}.battle-word{font-size:18px}}@media (width<=768px){:root{--section-gap:56px}.navbar-links{display:none}.mobile-menu-btn{display:flex}.navbar-inner{padding:0 20px}.navbar{height:60px}.navbar-brand{font-size:17px}.navbar-brand .brand-icon{width:32px;height:32px;font-size:16px}.hero{min-height:auto;padding:80px 20px 56px}.hero-title{letter-spacing:-.5px;margin-bottom:16px;font-size:30px}.hero-title .highlight:after{height:8px;bottom:2px}.hero-subtitle{margin-bottom:32px;font-size:15px;line-height:1.65}.hero-badge{margin-bottom:24px;padding:5px 12px 5px 6px;font-size:13px}.hero-actions{flex-direction:column;align-items:center;gap:12px}.hero-actions .btn{justify-content:center;width:100%;max-width:280px}.hero-stats{border-radius:var(--radius-lg);background:#ffffff1a;flex-direction:row;justify-content:space-around;gap:0;margin-top:40px;padding:20px 12px}.hero-stat-number{font-size:26px}.hero-stat-label{margin-top:4px;font-size:12px}.hero-scroll-hint{display:none}.hero-bg-shapes .shape-1{width:300px;height:300px;top:-100px;right:-80px}.hero-bg-shapes .shape-2{width:200px;height:200px;bottom:-60px;left:-60px}.hero-bg-shapes .shape-3{width:120px;height:120px}.section{padding:var(--section-gap) 20px}.section-header{margin-bottom:40px}.section-title{letter-spacing:-.5px;font-size:26px}.section-desc{font-size:15px}.section-tag{margin-bottom:12px;padding:4px 12px;font-size:12px}.features-grid{grid-template-columns:1fr;gap:16px}.feature-card{flex-direction:column;padding:28px 24px;display:flex}.feature-icon{width:48px;height:48px;margin-bottom:16px;font-size:22px}.feature-title{margin-bottom:8px;font-size:18px}.feature-desc{font-size:14px;line-height:1.65}.showcase-row{gap:32px;margin-bottom:56px;flex-direction:column!important}.showcase-text h3{margin-bottom:12px;font-size:24px}.showcase-text p{margin-bottom:20px;font-size:15px;line-height:1.7}.showcase-highlights{gap:10px}.showcase-highlights li{gap:10px;font-size:14px}.showcase-highlights li .check-icon{width:20px;height:20px;font-size:11px}.showcase-mockup,.showcase-mockup-alt{max-width:100%}.mockup-inner{border-radius:var(--radius-sm);gap:8px;padding:12px;inset:12px}.mockup-word{font-size:18px}.mockup-phonetic{width:90px}.mockup-meaning{width:120px}.mockup-option{border-radius:6px;height:28px}.mockup-options{gap:6px}.mockup-header{gap:8px}.mockup-avatar{width:28px;height:28px}.mockup-name{width:60px;height:8px;margin-bottom:4px}.mockup-level{width:40px;height:6px}.mockup-word-card{gap:8px;padding:12px}.battle-vs{gap:12px;padding:4px 0}.battle-player .avatar{width:36px;height:36px}.battle-player .name{width:44px;height:6px}.battle-player .score{font-size:18px}.vs-text{font-size:16px}.battle-timer{font-size:22px}.battle-word{font-size:16px}.battle-word-area{gap:6px;padding:12px}.stats-grid{grid-template-columns:1fr 1fr;gap:16px}.stat-item{border-radius:var(--radius-md);padding:28px 16px}.stat-icon-wrap{width:44px;height:44px;margin-bottom:14px}.stat-icon-wrap svg{width:22px;height:22px}.stat-number{letter-spacing:-1px;font-size:32px}.stat-unit{font-size:16px}.stat-label{font-size:13px}.showcase-highlights li{opacity:1;transform:none}.download-card{border-radius:var(--radius-lg);padding:40px 20px}.download-card h2{font-size:24px}.download-card p{margin-bottom:28px;font-size:15px}.download-buttons{flex-direction:column;align-items:center;gap:12px;margin-bottom:24px}.download-btn{justify-content:center;width:100%;max-width:260px;padding:14px 24px}.download-btn .btn-icon{font-size:20px}.download-btn .btn-text span{font-size:15px}.download-qr{flex-direction:row;justify-content:center;gap:20px}.qr-placeholder{width:100px;height:100px;font-size:11px}.qr-label{font-size:12px}.footer{padding:40px 20px 0}.footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px}.footer-brand{max-width:100%}.footer-brand-name{margin-bottom:12px;font-size:18px}.footer-brand-name .brand-icon{width:28px;height:28px;font-size:14px}.footer-brand p{font-size:13px}.footer-col h4{margin-bottom:14px;font-size:13px}.footer-col ul{gap:10px}.footer-col a{font-size:13px}.footer-bottom{text-align:center;flex-direction:column;gap:10px;padding:20px 0}.footer-copyright,.footer-icp a{font-size:12px}.btn{padding:14px 28px;font-size:15px}.mobile-menu-btn.active span:first-child{transform:translateY(7px)rotate(45deg)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}}@media (width<=480px){:root{--section-gap:44px}.hero{padding:72px 16px 48px}.hero-title{font-size:26px}.hero-subtitle{font-size:14px}.hero-stats{padding:16px 8px}.hero-stat-number{font-size:22px}.hero-stat-label{font-size:11px}.section{padding:var(--section-gap) 16px}.section-title{font-size:22px}.section-desc{font-size:14px}.feature-card{padding:24px 20px}.feature-title{font-size:17px}.feature-desc{font-size:13px}.showcase-text h3{font-size:20px}.showcase-text p{font-size:14px}.showcase-highlights li{font-size:13px}.stats-grid{gap:12px}.stat-item{padding:24px 12px}.stat-icon-wrap{width:40px;height:40px;margin-bottom:10px}.stat-icon-wrap svg{width:20px;height:20px}.stat-number{font-size:28px}.stat-unit{font-size:14px}.stat-label{font-size:12px}.download-card{padding:32px 16px}.download-card h2{font-size:22px}.download-card p{font-size:14px}.download-btn{max-width:240px;padding:12px 20px;font-size:14px}.download-qr{gap:16px}.qr-placeholder{width:88px;height:88px;font-size:10px}.footer{padding:32px 16px 0}}.mobile-drawer-overlay[data-v-a9bc3a3b]{z-index:2000;-webkit-backdrop-filter:blur(4px);background:#00000073;position:fixed;inset:0}.mobile-drawer[data-v-a9bc3a3b]{background:var(--bg-white);flex-direction:column;width:min(320px,85vw);height:100%;padding:24px;display:flex;position:absolute;top:0;right:0;box-shadow:-8px 0 30px #00000026}.mobile-drawer-header[data-v-a9bc3a3b]{justify-content:space-between;align-items:center;margin-bottom:40px;display:flex}.mobile-drawer-close[data-v-a9bc3a3b]{width:40px;height:40px;color:var(--text-secondary);background:var(--bg-light);border-radius:50%;justify-content:center;align-items:center;transition:all .25s;display:flex}.mobile-drawer-close[data-v-a9bc3a3b]:hover{background:var(--border);color:var(--text-primary)}.mobile-drawer-nav[data-v-a9bc3a3b]{flex-direction:column;flex:1;gap:4px;display:flex}.mobile-drawer-nav a[data-v-a9bc3a3b]{color:var(--text-primary);border-radius:var(--radius-md);padding:16px 20px;font-size:17px;font-weight:600;transition:all .2s}.mobile-drawer-nav a[data-v-a9bc3a3b]:hover,.mobile-drawer-nav a[data-v-a9bc3a3b]:active{background:var(--primary-bg);color:var(--primary)}.mobile-drawer-cta[data-v-a9bc3a3b]{justify-content:center;width:100%;margin-top:auto;padding:16px;font-size:17px}.drawer-enter-active[data-v-a9bc3a3b]{transition:opacity .3s}.drawer-enter-active .mobile-drawer[data-v-a9bc3a3b]{transition:transform .35s cubic-bezier(.16,1,.3,1)}.drawer-leave-active[data-v-a9bc3a3b]{transition:opacity .25s}.drawer-leave-active .mobile-drawer[data-v-a9bc3a3b]{transition:transform .25s}.drawer-enter-from[data-v-a9bc3a3b]{opacity:0}.drawer-enter-from .mobile-drawer[data-v-a9bc3a3b]{transform:translate(100%)}.drawer-leave-to[data-v-a9bc3a3b]{opacity:0}.drawer-leave-to .mobile-drawer[data-v-a9bc3a3b]{transform:translate(100%)}@media (width>=769px){.mobile-drawer-overlay[data-v-a9bc3a3b]{display:none}}