:root{--bg:#f7f5f2;--panel:#fff;--wine:#691c32;--wine2:#8d1f40;--wine3:#b12d51;--text:#211d1f;--muted:#6f6669;--line:rgba(40,24,30,.12);--green:#2d8a63;--shadow:0 18px 55px rgba(50,25,34,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% 5%,rgba(167,42,74,.09),transparent 25%),#f7f5f2;color:var(--text);font-family:Inter,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.top{height:78px;position:fixed;z-index:50;top:0;left:0;right:0;background:rgba(247,245,242,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav{max-width:1440px;height:78px;margin:auto;padding:0 5vw;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}.brand-mark{width:28px;height:28px;border:1px solid var(--wine2);display:grid;place-items:center;transform:rotate(45deg);font-weight:900}.brand-mark span{transform:rotate(-45deg)}.brand-red{color:var(--wine2)}.course-label{font-size:9px;color:#7b7074;font-weight:800;letter-spacing:.16em}.course-label b{color:var(--wine3)}.progress-wrap{flex:1;height:4px;background:#e4dedb;border-radius:99px;overflow:hidden}.progress{height:100%;background:linear-gradient(90deg,var(--wine),var(--wine3));width:0}.progress-text,.nav-status{font-size:9px;font-weight:900;letter-spacing:.12em;color:#6f6669;white-space:nowrap}.nav-status{color:var(--green);border-left:1px solid var(--line);padding-left:14px}.container{max-width:1120px;margin:auto;padding:112px 24px 60px}.auth-wrap{min-height:calc(100vh - 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