:root{--bg:#E7F4F8;--bg2:#D7ECF2;--paper:#F3FAFC;--soft:#EAF6F9;--ink:#163038;--text:#1F3C44;--muted:#4A6E78;--aux:#6A8C96;--blue:#7EB8E0;--cyan:#6EC9D4;--deep:#1A3A44;--seaweed:#5A8A6A;--line:rgba(26,58,68,.14);--focus:rgba(110,201,212,.50);--shadow:0 12px 28px rgba(22,48,56,.08);--radius:10px;--max:1000px}
*{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","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.ui-locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block;object-fit:contain;object-position:center}.shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.top-wrap{position:fixed;z-index:50;top:0;left:0;right:0}.tide-brow{height:20px;background:var(--deep);color:var(--paper);font-size:12px}.brow-row{height:20px;display:flex;align-items:center;justify-content:space-between}.text-control{border:0;background:transparent;color:var(--paper);padding:0 4px;cursor:pointer}.bay-brand{height:54px;background:var(--blue);border-bottom:1px solid 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var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.note-rails{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin:28px 0}.note-rail{background:var(--paper);border-top:3px solid var(--cyan);border-radius:8px;padding:18px;min-height:220px}.note-rail .slot{height:140px;margin-bottom:12px}.center-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:780px;margin:24px auto}.center-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px;text-align:center}.center-card .slot{height:170px;margin-bottom:16px}.thirds{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.third{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:18px}.status-list{display:grid;gap:10px;margin:24px 0}.status-row{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--seaweed);border-radius:8px;padding:14px 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var(--line);border-radius:10px;min-height:240px;display:flex;align-items:center;justify-content:center}.brand-statement .brand-slot img{max-height:220px}.contact-choices{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.install-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.install-step{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.app-hero{background:var(--deep);color:var(--paper);border-radius:12px;padding:26px}.app-hero h1,.app-hero h2{color:var(--paper)}.app-layout{display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:center}.app-features{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.app-feature{background:var(--soft);color:var(--text);padding:16px;border-radius:10px}.search-layer,.bay-panel{visibility:hidden;pointer-events:none;transition:.2s 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