:root{--theme:#0c83f0;--theme-dark:#0962b4;--theme-soft:#0c83f014;--theme-on-dark:#4da3f5;--ink:#2d353c;--ink-soft:#2d353cbf;--line:#e9ecef;--bg-soft:#f8f9fa;--dark:#1a2229;--radius:.6rem;--radius-lg:.8rem;--shell:1140px;--header-h:64px;--font:"Noto Sans", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}body{font-family:var(--font);color:var(--ink);-webkit-font-smoothing:antialiased;background:#fff;margin:0;font-size:15px;line-height:1.7}h1,h2,h3{margin:0;font-weight:600;line-height:1.25}p{margin:0}a{color:inherit;text-decoration:none}.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}.site-header{z-index:20;height:var(--header-h);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#fffffff0;position:sticky;top:0}.site-header 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auto;font-size:clamp(1.25rem,2.8vw,1.75rem);font-weight:300;line-height:1.6}.quote-conclusion{text-align:center;max-width:34em;color:var(--theme-on-dark);border-top:1px solid #ffffff1f;justify-content:center;align-items:center;gap:10px;margin:32px auto 0;padding-top:28px;font-size:1.0625rem;font-weight:600;display:flex}.cap-note{border-left:3px solid var(--theme);border-radius:var(--radius);background:var(--theme-soft);gap:16px;max-width:860px;margin:40px auto 0;padding:22px 26px;display:flex}.cap-note strong{color:var(--ink);margin-bottom:6px;display:block}.cap-note p{color:var(--ink-soft);font-size:.9375rem}.cap-note .card-icon{background:#ffffffb3;width:40px;height:40px;margin:2px 0 0}.btn{border-radius:var(--radius);background:var(--theme);color:#fff;letter-spacing:.02em;cursor:pointer;border:1px solid #0000;align-items:center;gap:8px;padding:13px 32px;font-family:inherit;font-size:.9375rem;font-weight:600;transition:background-color .2s linear,transform .2s 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