:root{--bg: #ffffff;--bg-soft: #f5f7fa;--bg-muted: #eef1f6;--bg-card: #ffffff;--border: rgba(0, 0, 0, .06);--border-strong: rgba(0, 0, 0, .1);--text: #1a1a1a;--text-secondary: #4a4a4a;--text-muted: #888888;--orange: #ff6a00;--orange-light: #fff4eb;--orange-hover: #e55f00;--blue: #2b7fff;--blue-light: #e8f2ff;--green: #07c160;--shadow-sm: 0 2px 12px rgba(0, 0, 0, .06);--shadow-md: 0 8px 32px rgba(0, 0, 0, .08);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .1);--header-h: 64px;--radius: 10px;--radius-lg: 16px;--container: min(1200px, calc(100% - 40px) );font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,system-ui,sans-serif;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{min-height:100vh;overflow-x:hidden;background:var(--bg)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none}img{max-width:100%;display:block}.container{width:var(--container);margin-inline:auto}.section{padding:72px 0}.section--compact{padding:56px 0}.section-heading{text-align:center;margin-bottom:40px}.section-heading h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;color:var(--text);letter-spacing:.02em}.section-heading h2:after{content:"";display:block;width:48px;height:4px;background:var(--orange);border-radius:2px;margin:12px auto 0}.page-hero{padding:calc(var(--header-h) + 40px) 0 48px;text-align:center;background:var(--bg-soft)}.page-hero h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;margin-bottom:12px;color:var(--text)}.page-hero p{color:var(--text-muted);max-width:560px;margin-inline:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:6px;font-weight:600;font-size:.9rem;transition:background .2s,transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-1px)}.btn--primary{background:var(--orange);color:#fff;box-shadow:0 4px 16px #ff6a0059}.btn--primary:hover{background:var(--orange-hover)}.btn--outline{border:1px solid var(--border-strong);color:var(--text-secondary);background:#fff}.btn--outline:hover{border-color:var(--orange);color:var(--orange)}.card-grid{display:grid;gap:20px}@media (min-width: 768px){.card-grid--2{grid-template-columns:repeat(2,1fr)}.card-grid--3{grid-template-columns:repeat(3,1fr)}.card-grid--4{grid-template-columns:repeat(4,1fr)}}@media (min-width: 640px){.card-grid--products{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.card-grid--products{grid-template-columns:repeat(4,1fr)}}.surface-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border)}