:root{--retro-base: #fcfaf6;--retro-paper: #efe6d5;--retro-green: #355f3d;--retro-green-deep: #2a4a31;--retro-sage: #9fb88a;--retro-orange: #d96b52;--retro-peach: #f2c9b8;--retro-ink: #262626;--retro-border: #d4c5a9;--retro-white: #ffffff;--retro-glow: rgba(217, 107, 82, .18);--font-display: "Songti SC", "Noto Serif SC", "STSong", Georgia, "Times New Roman", serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--radius-retro: 1.5rem;--radius-pill: 9999px;--header-h: 80px;--shadow-matte: 0 1px 3px rgba(0, 0, 0, .05), 0 10px 15px -5px rgba(0, 0, 0, .02);--shadow-card: 0 10px 30px -4px rgba(58, 90, 64, .08);--shadow-soft: 0 4px 20px -2px rgba(58, 90, 64, .1)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);color:var(--retro-ink);background-color:var(--retro-base);background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");line-height:1.6}a{color:inherit;text-decoration:none}.page{min-height:100vh;display:flex;flex-direction:column}.main{flex:1;padding-top:var(--header-h)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.h1{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,5vw,3.5rem);line-height:1.15;color:var(--retro-green);margin:0 0 1rem;text-wrap:balance}.h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.25;color:var(--retro-green);margin:0 0 .75rem}.h3{font-family:var(--font-display);font-weight:600;font-size:1.25rem;color:var(--retro-ink);margin:0 0 .5rem}.body-text{font-family:var(--font-body);color:#2c2c2cd1;line-height:1.75}.section-title{font-family:var(--font-display);font-weight:700;font-size:clamp(1.5rem,3vw,2.25rem);color:var(--retro-green);margin:0 0 .75rem}.section-subtitle{margin:0 0 2rem;font-size:1rem;color:#2c2c2cb8;max-width:42rem;line-height:1.7}.text-center{text-align:center}.text-accent{color:var(--retro-orange)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 2rem;border-radius:var(--radius-pill);font-family:var(--font-body);font-size:.875rem;font-weight:600;letter-spacing:.02em;border:none;cursor:pointer;transition:transform .2s ease,background-color .25s ease,box-shadow .25s ease,color .25s ease;-webkit-tap-highlight-color:transparent}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--retro-orange) 0%,#c85a44 100%);color:#fff;box-shadow:var(--shadow-matte),0 0 0 0 var(--retro-glow)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--retro-green) 0%,var(--retro-green-deep) 100%);box-shadow:var(--shadow-soft)}.btn-secondary{background:#3a5a401a;color:var(--retro-green)}.btn-secondary:hover:not(:disabled){background:var(--retro-green);color:#fff;box-shadow:var(--shadow-soft)}.btn-ghost{background:transparent;color:var(--retro-green);border:1px solid rgba(212,197,169,.6)}.btn-ghost:hover:not(:disabled){background:#a3b18a33}.card-base,.feature-card,.usage-card,.faq-item,.card{background:var(--retro-white);border-radius:var(--radius-retro);border:1px solid rgba(212,197,169,.35);box-shadow:var(--shadow-matte);transition:transform .3s ease,box-shadow .3s ease}.card-base:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}.feature-card{padding:1.5rem;font-size:.875rem}.feature-card h3{margin-top:0;margin-bottom:.5rem;font-family:var(--font-display);font-size:1.125rem;color:var(--retro-ink)}.feature-card p{margin:0;color:#2c2c2cb8;line-height:1.65}.section{padding:4rem 0}.section-alt{background:#efe6d559}.section-highlight{background:#a3b18a26}.page-banner{padding:3rem 0 2rem;text-align:center}.page-banner__sub{max-width:36rem;margin:0 auto;font-size:1.05rem}.page-content{padding:2rem 0 4rem}.icon-circle{width:3.5rem;height:3.5rem;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:1.35rem;transition:background-color .3s ease,color .3s ease}.icon-circle--green{background:#3a5a401a;color:var(--retro-green)}.icon-circle--orange{background:#e07a5f1f;color:var(--retro-orange)}.feature-card:hover .icon-circle--green{background:var(--retro-green);color:#fff}.feature-card:hover .icon-circle--orange{background:var(--retro-orange);color:#fff}.features-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}.usage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem}.usage-card{padding:1.25rem;font-size:.875rem}.usage-card h3{margin-top:0;margin-bottom:.5rem;font-family:var(--font-display);font-size:1rem}.usage-card p{margin:0;color:#2c2c2cb8}.faq-list{display:flex;flex-direction:column;gap:1rem}.faq-item{padding:1.25rem 1.5rem}.faq-item h3{margin:0 0 .5rem;font-family:var(--font-display);font-size:1.05rem;color:var(--retro-green)}.faq-item p{margin:0;font-size:.875rem;color:#2c2c2cbf;line-height:1.65}.hero{padding:4rem 0 3rem}.hero-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:3rem;align-items:center}.hero-title{font-family:var(--font-display);font-weight:700;font-size:clamp(1.75rem,4vw,2.75rem);line-height:1.2;color:var(--retro-green);margin:0 0 1rem}.hero-title .highlight{color:var(--retro-orange)}.hero-subtitle{font-size:1rem;color:#2c2c2ccc;max-width:32rem;line-height:1.75;margin:0}.hero-actions{margin-top:2rem;display:flex;gap:2rem;flex-wrap:wrap;align-items:flex-start}.hero-image-card{border-radius:var(--radius-retro);border:1px solid rgba(163,177,138,.45);background:var(--retro-white);box-shadow:var(--shadow-card),0 0 0 1px var(--retro-glow);overflow:hidden;max-width:420px;margin:0 auto}.hero-right.motion-in .hero-image-card{animation:hero-card-in .38s var(--motion-ease, ease) both}@keyframes hero-card-in{0%{opacity:.85;transform:scale(.97)}to{opacity:1;transform:scale(1)}}.hero-image-card img{display:block;width:100%;height:auto}.qrcode-placeholder{width:150px;height:150px;border-radius:var(--radius-retro);border:1px dashed rgba(212,197,169,.8);overflow:hidden;background:var(--retro-white)}.qrcode-tip{margin-top:.5rem;font-size:.8rem;color:#2c2c2c99}.hero-meta{font-size:.875rem;color:#2c2c2cbf}.hero-meta p{margin:.35rem 0}.cta-strip{background:var(--retro-white);border-radius:var(--radius-retro);border:1px solid rgba(212,197,169,.35);box-shadow:var(--shadow-matte);padding:1.5rem 1.75rem}.cta-strip__head{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.5rem;margin-bottom:1.25rem}.cta-strip__links{display:flex;flex-wrap:wrap;gap:.75rem}.form-input,.form-textarea{width:100%;padding:.75rem 1rem;border-radius:var(--radius-pill);border:1px solid rgba(212,197,169,.55);background:var(--retro-base);font-family:var(--font-body);font-size:.9rem;color:var(--retro-ink);transition:border-color .2s ease,box-shadow .2s ease}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--retro-green);box-shadow:0 0 0 1px var(--retro-green)}.form-textarea{border-radius:1rem;resize:vertical}@media (max-width: 960px){.hero-inner{grid-template-columns:1fr}.features-grid,.usage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.container{padding:0 16px}.features-grid,.usage-grid{grid-template-columns:1fr}.section{padding:3rem 0}}.download-inner{display:flex;gap:3rem;align-items:center;flex-wrap:wrap}.download-steps{list-style:none;padding:0;margin:0;font-size:.875rem;color:#2c2c2cbf}.download-steps li+li{margin-top:.35rem}.qrcode-box{padding:.75rem;border-radius:var(--radius-retro);background:var(--retro-white);border:1px solid rgba(212,197,169,.4);box-shadow:var(--shadow-matte)}.qrcode-box img{width:160px;height:160px;object-fit:contain;display:block}.company-banner{margin-top:2.5rem;border-radius:var(--radius-retro);overflow:hidden;border:1px solid rgba(212,197,169,.4);box-shadow:var(--shadow-card)}.company-banner img{display:block;width:100%;height:auto}:root{--motion-duration: .36s;--motion-ease: cubic-bezier(.22, 1, .36, 1);--motion-ease-pop: cubic-bezier(.34, 1.25, .64, 1)}.motion-reveal{opacity:0;transform:translate3d(0,16px,0);transition:opacity var(--motion-duration) var(--motion-ease),transform var(--motion-duration) var(--motion-ease);transition-delay:var(--motion-delay, 0ms);will-change:opacity,transform}.motion-reveal.motion-in{opacity:1;transform:translateZ(0)}.motion-stagger-item{opacity:0;transform:translate3d(0,14px,0) scale(.98);transition:opacity .34s var(--motion-ease),transform .34s var(--motion-ease),box-shadow .34s var(--motion-ease);transition-delay:calc(var(--motion-i, 0) * var(--motion-step, 40ms))}.motion-stagger.motion-in .motion-stagger-item{opacity:1;transform:translateZ(0) scale(1)}.motion-stagger.motion-in .motion-stagger-item .icon-circle{animation:motion-icon-pop .38s var(--motion-ease-pop) both;animation-delay:calc(var(--motion-i, 0) * var(--motion-step, 40ms) + 60ms)}@keyframes motion-icon-pop{0%{transform:scale(.88)}70%{transform:scale(1.06)}to{transform:scale(1)}}.feature-card,.usage-card,.shop-platform-card{transition:transform .28s var(--motion-ease),box-shadow .28s var(--motion-ease)}.feature-card:hover,.usage-card:hover,.shop-platform-card:hover{transform:translate3d(0,-6px,0) scale(1.02);box-shadow:var(--shadow-card);border-color:#a3b18aa6}.shop-soon-chip{transition:transform .28s var(--motion-ease),border-color .28s ease,color .28s ease}.shop-soon-chip:hover{transform:translate3d(0,-3px,0) scale(1.05)}.steps-flow__item.motion-stagger-item{transform:translate3d(0,12px,0)}@media (prefers-reduced-motion: reduce){.motion-reveal,.motion-stagger-item{opacity:1!important;transform:none!important;transition:none!important;animation:none!important}.feature-card:hover,.usage-card:hover,.shop-platform-card:hover,.shop-soon-chip:hover{transform:none}}