:root{--bg:#F4FAFC;--white:#FFFFFF;--soft:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--faint:#7A9AA4;--brand:#1A7F8F;--bright:#2BB3C4;--deep:#0F5B68;--pale:#D7EEF2;--border:rgba(26,127,143,.16);--shadow:0 14px 34px rgba(14,58,70,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:16px;line-height:1.72;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.lock-scroll{overflow:hidden}.site-head{position:fixed;z-index:40;left:0;right:0;top:0}.mist-line{height:20px;background:var(--deep);color:#fff;font-size:12px}.bar-inner{max-width:1180px;height:100%;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.text-button,.drawer-button,.close-button{border:0;background:none;color:inherit;cursor:pointer}.text-button{min-height:20px;padding:0 4px;color:#fff}.pier-bar{height:62px;background:#fff;border-bottom:1px 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