:root{--bg:#F3FAF7;--deep:#E4F3EE;--card:#FFFFFF;--mint:#D8EFE8;--title:#12332E;--text:#1E403A;--muted:#4E6F68;--soft:#6A8A82;--brand:#0F7A6B;--bright:#1B9A88;--dark:#0B5C52;--sand:#F7F1E6;--border:rgba(15,122,107,.16);--border-strong:rgba(15,122,107,.42);--shadow:0 12px 28px rgba(11,92,82,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:var(--card);color:var(--dark);padding:10px 14px;border-radius:8px}.skip-link:focus{top:8px}.tide-line{position:fixed;left:0;right:0;top:0;height:22px;background:var(--dark);color:#fff;z-index:80;font-size:12px}.top-inner{max-width:1120px;height:22px;margin:0 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.section-image-slot{height:240px}.surface-pad{padding:20px}.surface-pad-large{padding:22px}.button-row.align-start{justify-content:flex-start}
.feature-image{height:200px;margin-bottom:16px}