:root{--primary: #000000;--on-primary: #ffffff;--ink: #000000;--canvas: #ffffff;--inverse-canvas: #000000;--inverse-ink: #ffffff;--hairline: #e6e6e6;--hairline-soft: #f1f1f1;--surface-soft: #f7f7f5;--block-lime: #dceeb1;--block-lilac: #c5b0f4;--block-cream: #f4ecd6;--block-pink: #efd4d4;--block-mint: #c8e6cd;--block-coral: #f3c9b6;--block-navy: #1f1d3d;--accent-magenta: #ff3d8b;--semantic-success: #1ea64a;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .12);--shadow-hover: 0 12px 24px rgba(0, 0, 0, .15);--maxw: 1180px;--radius-xs: 4px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-pill: 50px;--nav-h: 68px;--font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--font-mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, Consolas, "Courier New", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px);-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--canvas);color:var(--ink);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;position:relative}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none}::selection{background:var(--block-lilac);color:var(--ink)}:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}.section{padding-block:clamp(64px,9vw,120px);position:relative}.eyebrow{font-family:var(--font-mono);display:inline-block;font-size:.75rem;font-weight:400;letter-spacing:.05em;text-transform:uppercase;color:var(--ink);margin-bottom:16px;opacity:.7}.section-title{font-size:clamp(2rem,4vw,3.2rem);font-weight:600;letter-spacing:-.03em;line-height:1.1;color:var(--ink)}.section-desc{margin-top:18px;max-width:52ch;color:var(--ink);opacity:.65;font-size:1.1rem;line-height:1.6;font-weight:320}.section-head{margin-bottom:clamp(40px,5vw,64px)}.section-head.center{text-align:center}.section-head.center .section-desc{margin-inline:auto}.gradient-text{background:linear-gradient(135deg,var(--accent-magenta) 0%,var(--block-lilac) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-pill);font-weight:480;font-size:1rem;letter-spacing:-.01em;border:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap;text-decoration:none}.btn svg{width:1.2em;height:1.2em;flex-shrink:0}.btn-primary{background:var(--primary);color:var(--on-primary);box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--canvas);color:var(--ink);border:1px solid var(--hairline);box-shadow:var(--shadow-sm)}.btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary)}.btn-sm{padding:8px 18px;font-size:.9rem}.card{background:var(--canvas);border:1px solid var(--hairline-soft);border-radius:var(--radius-lg);padding:32px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;box-shadow:var(--shadow-sm)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--hairline)}.color-block{border-radius:var(--radius-lg);padding:clamp(48px,8vw,96px) clamp(24px,5vw,48px);position:relative}.color-block-lime{background:var(--block-lime)}.color-block-lilac{background:var(--block-lilac)}.color-block-cream{background:var(--block-cream)}.color-block-pink{background:var(--block-pink)}.color-block-mint{background:var(--block-mint)}.color-block-coral{background:var(--block-coral)}.color-block-navy{background:var(--block-navy);color:var(--on-primary)}.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}.reveal.is-visible{opacity:1;transform:none}@media(max-width:768px){.section{padding-block:clamp(48px,8vw,80px)}.btn{padding:11px 20px;font-size:.95rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}}