:root{--bg:#0E0E0E;--deep:#080808;--card:#161616;--card2:#1C1810;--title:#FFF4D0;--text:#E6D7A6;--muted:#B8A56A;--soft:#8A7A48;--yellow:#F5C518;--bright:#FFD84A;--amber:#C49212;--footer:#050505;--footerText:#DCCB8A;--line:rgba(245,197,24,.26)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:100;background:var(--bright);color:#111;padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.gold-strip{position:fixed;left:0;right:0;top:0;height:22px;background:#090909;color:var(--bright);z-index:80;font-size:12px;border-bottom:1px solid rgba(245,197,24,.16)}.strip-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.strip-search{border:0;background:transparent;color:var(--bright);height:22px;padding:0 8px;cursor:pointer}.stage-header{position:fixed;left:0;right:0;top:22px;height:60px;background:#0a0a0a;z-index:79;border-bottom:1px solid var(--yellow)}.stage-header-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand-link{justify-self:start;min-width:120px;display:flex;align-items:center;height:44px}.brand-logo,.book-logo,.footer-logo{height:28px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:700;color:var(--title);letter-spacing:.08em}.book-button,.header-entry{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px}.book-button{justify-self:center;min-width:86px;border:1px solid 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rgba(255,216,74,.35);outline-offset:2px}.quad-grid,.card-grid,.profile-grid,.topic-grid,.faq-grid,.footer-grid{display:grid;gap:14px}.quad-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.profile-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content-card,.lesson-card,.profile-card,.topic-card,.notice-card,.timeline-card,.faq-item,.policy-card{padding:18px}.content-card p,.lesson-card p,.profile-card p,.topic-card p,.notice-card p,.timeline-card p,.faq-item p,.policy-card p{color:var(--text)}.text-link{display:inline-flex;align-items:center;min-height:44px;color:var(--bright);font-weight:700}.bullet-list,.number-list{margin:12px 0 0;padding-left:20px}.bullet-list li,.number-list li{margin:8px 0}.feature-line{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid 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.stack-card{margin-bottom:14px}.icon-slot{width:64px;height:64px;min-height:64px;margin:14px 0}.icon-slot img{width:48px;height:48px;object-fit:contain;object-position:center}

.top-gap{margin-top:14px}