:root{--color-primary:#1f3a3d;--color-primary-dark:#122526;--color-primary-light:#2e5457;--color-gold:#c9a96a;--color-gold-light:#e6d3ae;--color-bg:#fff;--color-bg-soft:#f6f5f2;--color-surface:#fff;--color-text:#1c2424;--color-text-secondary:#6b7777;--color-border:#e8e6e0;--container-width:1184px;--navbar-height:64px;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--shadow-card:0 4px 20px #1225260f;--shadow-float:0 16px 48px #1225261f}html{scroll-behavior:smooth;height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;display:flex}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}img{max-width:100%;display:block}::selection{background:var(--color-gold-light);color:var(--color-primary-dark)}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 24px}.section{padding:56px 0}.section-title{letter-spacing:.02em;color:var(--color-text);font-size:26px;font-weight:700}.section-subtitle{color:var(--color-text-secondary);margin-top:8px;font-size:14px;line-height:1.7}@media (max-width:768px){.section{padding:40px 0}.section-title{font-size:21px}}