*{box-sizing:border-box}body{margin:0;background:#f7f6f2;color:#202a2e;font-family:Arial,sans-serif;line-height:1.75}header{background:#fff;border-bottom:1px solid #e7e5df;position:sticky;top:0;z-index:5}.nav{max-width:1120px;margin:auto;padding:18px 20px;display:flex;align-items:center;justify-content:space-between}.logo{font-weight:800;font-size:24px;letter-spacing:-.5px}.logo span{color:#287d73}nav a{margin-left:18px;color:#405057;text-decoration:none;font-size:14px}.wrap{max-width:1120px;margin:auto;padding:30px 20px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding:45px 0}.hero h1{font-size:48px;line-height:1.05;margin:10px 0}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:12px;color:#287d73;font-weight:800}.hero p{font-size:18px;color:#59666b}.hero img{width:100%;border-radius:18px;display:block}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid #e7e5df;border-radius:14px;overflow:hidden}.card img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block}.card .pad{padding:18px}.card h2{font-size:19px;line-height:1.3;margin:0 0 8px}.card a{color:#202a2e;text-decoration:none}.tag{font-size:11px;color:#287d73;font-weight:800;text-transform:uppercase;letter-spacing:1px}.article{max-width:820px;margin:35px auto 70px;background:#fff;padding:38px;border-radius:16px;border:1px solid #e7e5df}.article h1{font-size:42px;line-height:1.1;margin:8px 0 15px}.article .dek{font-size:19px;color:#5e696d}.article img{width:100%;border-radius:12px;margin:22px 0}.article h2{margin-top:30px;font-size:25px}.share{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.share a{padding:9px 13px;border:1px solid #d8d5cd;border-radius:999px;text-decoration:none;color:#334047;font-size:13px}.cta{background:#eef6f3;border-radius:14px;padding:22px;margin:30px 0}.cta a{display:inline-block;background:#287d73;color:#fff;padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:700}.disclosure{font-size:12px;color:#727b7d;border-top:1px solid #eee;padding-top:18px}.footer{padding:40px 20px;border-top:1px solid #e7e5df;color:#687377;text-align:center;font-size:13px}@media(max-width:800px){.hero{grid-template-columns:1fr;padding:25px 0}.hero h1{font-size:38px}.grid{grid-template-columns:1fr}.article{padding:24px}.article h1{font-size:34px}nav a{margin-left:8px}}
/* BrightSmile Daily article share + image popup */
.sv-share-wrap{margin:34px 0 28px;padding:26px;border:1px solid #e3e5e3;border-radius:18px;background:#fff}
.sv-share-title{font-size:20px;font-weight:800;margin:0 0 18px}
.sv-share-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.sv-share-grid a{display:flex;align-items:center;justify-content:center;min-height:56px;border:1px solid #dfe3e2;border-radius:14px;text-decoration:none;color:#173238;font-weight:700;background:#fff}
.sv-official{display:block;text-align:center;background:#139f8d;color:#fff!important;padding:16px 18px;border-radius:12px;text-decoration:none;font-weight:800;font-size:17px;margin:24px 0}
.sv-popup{position:fixed;inset:0;background:rgba(10,22,25,.62);display:none;align-items:center;justify-content:center;padding:18px;z-index:9999}
.sv-popup.show{display:flex}
.sv-popup-card{width:min(430px,100%);background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 18px 70px rgba(0,0,0,.28);position:relative}
.sv-popup-card img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}
.sv-popup-body{padding:22px}
.sv-popup-body h2{font-size:25px;line-height:1.2;margin:0 0 8px}
.sv-popup-body p{margin:0 0 18px;color:#5c686c}
.sv-popup-close{position:absolute;right:12px;top:10px;width:38px;height:38px;border:0;border-radius:50%;background:#fff;color:#173238;font-size:25px;line-height:38px;cursor:pointer}
.sv-popup-cta{display:block;text-align:center;background:#139f8d;color:#fff!important;padding:14px 16px;border-radius:11px;text-decoration:none;font-weight:800}
@media(max-width:600px){.sv-share-grid{grid-template-columns:1fr}.sv-share-wrap{padding:20px}.sv-popup{padding:12px}}