/* roulang page: index */
:root{--ink:#241c2f;--muted:#756d7e;--cream:#fbf8f5;--paper:#fff;--line:#ebe4e9;--berry:#8f376f;--coral:#e87867;--mint:#dcefe8;--lav:#f1e7f2;--shadow:0 18px 45px rgba(53,31,57,.09);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;line-height:1.7}a{text-decoration:none;color:inherit}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer}.container{width:min(1240px,calc(100% - 40px));margin:auto}.section{padding:88px 0}.section.alt{background:#f5eff5}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--berry);font-size:13px;font-weight:700;letter-spacing:.08em}.eyebrow:before{content:"";width:24px;height:3px;border-radius:9px;background:var(--coral)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}.section-head h2{margin:10px 0 0;font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.04em}.section-head 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