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rgba(255,255,255,.1);border-radius:10px;color:var(--text-primary);font-size:18px;cursor:pointer}.btn-sm{padding:7px 12px;font-size:12.5px}.nav-links.mobile-open{display:flex!important;flex-direction:column!important;position:fixed!important;top:58px!important;left:0!important;right:0!important;width:100%!important;height:calc(100vh - 58px)!important;background:#09090bf0!important;backdrop-filter:blur(32px) saturate(200%)!important;-webkit-backdrop-filter:blur(32px) saturate(200%)!important;padding:24px 20px!important;gap:8px!important;z-index:9999!important;border-bottom:1px solid rgba(255,255,255,.1)!important;animation:drawerSlideDown .3s cubic-bezier(.16,1,.3,1)!important;overflow-y:auto!important;-webkit-overflow-scrolling:touch!important}@keyframes drawerSlideDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.nav-links.mobile-open li{width:100%}.nav-links.mobile-open .nav-link{display:flex;align-items:center;width:100%;padding:16px 18px;font-size:17px;font-weight:600;color:var(--text-primary);border-radius:14px;background:#ffffff08;border:1px solid rgba(255,255,255,.05)}.nav-links.mobile-open .nav-link:active{background:#a78bfa26;border-color:#a78bfa4d}.hero-section{padding:36px 0 28px;text-align:center}.hero-pill{font-size:12px;padding:6px 14px;margin-bottom:16px;max-width:95%}.hero-title{font-size:clamp(28px,7.6vw,36px);line-height:1.2;letter-spacing:-.6px;margin-bottom:14px;word-break:break-word}.hero-subhead{font-size:14.5px;line-height:1.6;max-width:320px;margin:0 auto 20px;color:#a1a1aa}.hero-ctas{flex-direction:column;width:100%;gap:10px;margin-bottom:24px}.btn-lg{width:100%;height:48px;font-size:15px;border-radius:980px}.hero-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px}.hero-badge-item{font-size:11.5px;padding:10px;border-radius:12px;background:#ffffff09;border:1px solid rgba(255,255,255,.07);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.showcase-section{padding:32px 0 48px}.mockup-wrapper{padding:16px 10px;border-radius:32px}.device-container{padding:16px 12px;gap:28px}.iphone-frame{width:100%;max-width:340px;height:520px;border-radius:38px;border-width:5px;box-shadow:0 16px 48px #0009}.phone-screen{padding:10px}.phone-cover-wrapper{width:60px;height:60px;border-radius:12px}.phone-episode-title{font-size:13.5px}.phone-subtitle{font-size:11px}.phone-time{font-size:10.5px}.transcript-viewport{height:250px;padding:8px;gap:12px}.transcript-en{font-size:14.5px;line-height:1.5}.transcript-zh{font-size:12px;line-height:1.4}.transcript-word{padding:1.5px 2.5px}.vocab-card-popover{position:absolute;bottom:10px;left:8px;right:8px;padding:14px;border-radius:16px;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}.vocab-word-title{font-size:18px}.vocab-formula{font-size:11px}.vocab-definition{font-size:12.5px}.features-section{padding:48px 0}.section-title{font-size:26px;letter-spacing:-.5px}.section-subhead{font-size:14px}.feature-card{padding:24px 20px;border-radius:20px}.feature-title{font-size:18.5px}.feature-desc{font-size:14px;line-height:1.6}.companion-section{padding:48px 0}.companion-container{padding:28px 18px;border-radius:24px}.penguin-avatar-interactive{width:140px;height:140px;border-radius:32px}.penguin-avatar-interactive img{width:96px;height:96px}.penguin-stage-halo{width:200px;height:200px;top:75px}.penguin-speech-bubble{font-size:13.5px;padding:12px 16px;max-width:92%;margin-top:18px}.companion-content h3{font-size:23px;line-height:1.25;margin-bottom:12px}.companion-content p{font-size:14px;line-height:1.6;margin-bottom:18px}.companion-stats{grid-template-columns:repeat(3,1fr);gap:6px}.c-stat-item{padding:12px 6px;border-radius:12px}.c-stat-item h4{font-size:19px}.c-stat-item p{font-size:11px;letter-spacing:-.2px}.contrast-section{padding:48px 0}.contrast-table-wrapper{background:transparent;border:none;border-radius:0}.contrast-row{display:flex;flex-direction:column;gap:10px;margin-bottom:10px;border-bottom:none}.contrast-cell{padding:18px 16px;border-radius:18px;border:1px solid rgba(255,255,255,.08)}.contrast-cell.traditional{background:#ef44440a;border-color:#ef444429;border-right:1px solid rgba(239,68,68,.16)}.contrast-cell.listenpod{background:linear-gradient(135deg,#10b98114,#06b6d40a);border-color:#10b98147;box-shadow:0 8px 24px #10b9810f}.contrast-title{font-size:15.5px;margin-bottom:5px}.contrast-desc{font-size:13px;line-height:1.5}.geo-knowledge-section{padding:48px 0}.geo-card-container{padding:24px 16px;border-radius:24px}.geo-heading{font-size:22px;line-height:1.28;margin-bottom:12px}.geo-lead{font-size:13.5px;line-height:1.6;margin-bottom:20px}.geo-spec-table,.geo-spec-table tbody,.geo-spec-table tr,.geo-spec-table td{display:block;width:100%!important;box-sizing:border-box}.geo-spec-table thead{display:none}.geo-spec-table{border:none;background:transparent;margin-bottom:20px}.geo-spec-table tr{margin-bottom:10px;background:#ffffff09;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:14px}.geo-spec-table td:nth-child(1){font-size:11.5px;font-weight:600;color:#94a3b8;padding:0 0 4px;border:none;background:transparent}.geo-spec-table td:nth-child(2){font-size:16px;font-weight:700;color:#a78bfa;padding:0 0 6px;border:none;background:transparent}.geo-spec-table td:nth-child(3){font-size:12.5px;line-height:1.55;color:#cbd5e1;padding:8px 0 0;border:none;border-top:1px solid rgba(255,255,255,.06);background:transparent}.geo-quote-box{padding:14px 16px;font-size:13px;border-radius:12px}.cta-banner-card{padding:40px 20px;border-radius:24px}.cta-banner-title{font-size:28px;letter-spacing:-.5px}.cta-banner-sub{font-size:14px;margin-bottom:24px}.footer-inner{grid-template-columns:1fr;gap:28px}.footer-bottom{flex-direction:column;gap:12px;text-align:center}}