/* Product rating system */
.product-card .photo,.device-photo{position:relative}
.product-rating-badge{position:absolute;z-index:3;left:12px;top:12px;display:inline-flex;align-items:center;gap:5px;max-width:calc(100% - 24px);padding:7px 10px;border:1px solid rgba(216,166,31,.28);border-radius:999px;background:rgba(255,255,255,.94);box-shadow:0 7px 20px rgba(22,48,75,.12);color:#9a6b00;font-size:12px;line-height:1;backdrop-filter:blur(8px)}
.product-rating-badge b{font-size:14px;color:#25394b}.product-rating-badge small{padding-left:5px;border-left:1px solid #dce5ec;color:#66798a}.product-rating-badge.is-empty{border-color:#dbe4eb;color:#718392}.product-rating-badge-large{left:18px;top:18px;padding:9px 12px}
.rating-line{display:flex;align-items:center;gap:7px;min-height:24px;color:#5e7184!important}.rating-line strong{color:#25394b;font-size:14px}.rating-line>span:last-child:not(.rating-stars):not(.rating-empty){font-size:12px}.rating-empty{font-size:12px;color:#718392}
.rating-stars{position:relative;display:inline-block;color:#dce3e8;font-size:16px;line-height:1;letter-spacing:1px;white-space:nowrap}.rating-stars:after{position:absolute;inset:0 auto 0 0;width:var(--rating-fill);overflow:hidden;color:#e0a800;content:'★★★★★';white-space:nowrap}
.product-rating-panel{display:grid;grid-template-columns:minmax(190px,.55fr) minmax(300px,1fr) minmax(360px,1.25fr);gap:22px;margin:24px 0 28px;padding:24px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#fff,#f5f9fc);box-shadow:0 15px 42px rgba(18,56,86,.08)}
.rating-overview{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding-right:22px;border-right:1px solid var(--line)}.rating-score{margin:3px 0;font-size:52px;font-weight:900;line-height:1;color:#16304b;letter-spacing:-2px}.rating-overview>.rating-stars{margin:8px 0;font-size:22px}.rating-overview>strong{margin-bottom:15px;color:#647789;font-size:13px}.rating-breakdown h2{margin:0 0 14px;font-size:21px}.rating-dimension{margin:11px 0}.rating-dimension>div:first-child{display:flex;justify-content:space-between;gap:12px;margin-bottom:6px;font-size:13px}.rating-dimension strong{font-variant-numeric:tabular-nums}.rating-track{height:8px;overflow:hidden;border-radius:999px;background:#e5edf3}.rating-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#23865d,#6bc18c)}
.rating-feedback{display:grid;grid-template-columns:1fr 1fr;gap:14px}.rating-feedback-list{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff}.rating-feedback-list h3{margin:0 0 11px;font-size:15px}.rating-feedback-list>span{display:flex;align-items:flex-start;gap:8px;margin:7px 0;font-size:13px}.rating-feedback-list>span i{display:grid;flex:0 0 20px;height:20px;place-items:center;border-radius:50%;font-style:normal;font-weight:900}.rating-feedback-list.is-pro>span i{background:#e5f6ed;color:#18724c}.rating-feedback-list.is-con>span i{background:#fff0ec;color:#a84932}.rating-feedback-list small{margin-left:auto;color:#718392}.rating-feedback-list p{margin:0;color:#718392;font-size:13px}
.review-score-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.review-score-fields legend{grid-column:1/-1}.review-score-fields label{margin:0}.review-score-fields select{width:100%;margin-top:5px;padding:9px;border:1px solid var(--line);border-radius:9px;background:#fff}
@media(max-width:980px){.product-rating-panel{grid-template-columns:220px 1fr}.rating-feedback{grid-column:1/-1}.rating-overview{padding-right:18px}}
@media(max-width:680px){.product-rating-panel{grid-template-columns:1fr;padding:18px}.rating-overview{align-items:center;padding:0 0 18px;border-right:0;border-bottom:1px solid var(--line)}.rating-feedback{grid-column:auto;grid-template-columns:1fr}.review-score-fields{grid-template-columns:1fr}}

/* Explicit product-to-brand relationship */
.product-brand-link{display:inline-flex;align-items:center;gap:7px;margin:0 0 12px;color:var(--blue);font-size:14px;font-weight:800;text-decoration:none}
.product-brand-link:before{content:'↗';display:grid;width:22px;height:22px;place-items:center;border:1px solid #b9d4e8;border-radius:50%;background:#f3f9fd;font-size:12px}
.product-brand-link:hover{text-decoration:underline}
.product-card a.brand{display:block;width:max-content;color:var(--blue);text-decoration:none}
.product-card a.brand:hover{text-decoration:underline}
.water-test-banner{display:block;margin-top:14px;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#eef6ff;box-shadow:0 10px 28px rgba(18,56,86,.09);line-height:0;transition:transform .18s ease,box-shadow .18s ease}
.water-test-banner img{display:block;width:100%;height:auto;aspect-ratio:800/522;object-fit:cover}
.water-test-banner:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(18,56,86,.15)}
.water-test-banner:focus-visible{outline:3px solid rgba(7,95,174,.35);outline-offset:3px}
@media(max-width:780px){.water-test-banner{max-width:520px;margin:14px auto 0}}
/* Editorial links on product pages */
.product-knowledge-links{margin-top:24px}
.product-knowledge-links ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 22px;padding-left:20px}
.product-knowledge-links li{line-height:1.45}
.product-knowledge-links a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
@media(max-width:700px){.product-knowledge-links ul{grid-template-columns:1fr}}
/* Transparent editorial sample reviews on product detail pages */
.sample-reviews{margin-top:24px}.sample-reviews-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:20px}.sample-reviews-head h2{margin:8px 0 5px}.sample-reviews-head p{max-width:760px;margin:0;color:var(--muted)}.sample-rating-summary{min-width:145px;text-align:center;padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:#f8fafc}.sample-rating-summary strong{display:block;font-size:28px}.sample-rating-summary span,.sample-stars{color:#d89a00;letter-spacing:1px}.sample-rating-summary small{display:block;color:var(--muted);margin-top:3px}.sample-review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.sample-review-card{padding:18px;border:1px solid var(--line);border-radius:13px;background:#fff}.sample-review-card header{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}.sample-review-card header strong,.sample-review-card header span{display:block}.sample-review-card header span,.sample-review-card time{font-size:12px;color:var(--muted)}.sample-review-card h3{margin:9px 0 6px;font-size:17px}.sample-review-card p{margin:0;line-height:1.65}.sample-stars{margin-top:12px}.sample-stars b{color:var(--text);letter-spacing:0;margin-left:7px}@media(max-width:720px){.sample-reviews-head{display:grid}.sample-rating-summary{width:100%}.sample-review-grid{grid-template-columns:1fr}.sample-review-card header{display:grid;gap:5px}}

/* Vertical review list inside the main (left) product column */
.sample-reviews{padding-top:24px;border-top:1px solid var(--line)}.sample-review-grid{grid-template-columns:1fr}.sample-review-card{display:block}.sample-score-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:14px 0}.sample-score-grid>div{padding:10px;border-radius:9px;background:#f4f7fa}.sample-score-grid span{display:block;color:var(--muted);font-size:11px}.sample-score-grid b{font-size:17px}.sample-pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}.sample-pros-cons>div{display:grid;align-content:start;gap:5px;padding:12px;border-radius:10px;background:#f6f9fc}.sample-pros-cons b{margin-bottom:3px}.sample-pros-cons span{font-size:12px}.sample-pros-cons .is-pro span{color:#176944}.sample-pros-cons .is-con span{color:#8e4937}.sample-review-text{margin-top:12px!important}.sample-review-link{margin-top:14px}.sample-review-detail .sample-score-grid{margin-top:22px}.sample-review-detail .sample-pros-cons{margin:18px 0}.sample-review-detail .review-author-line{margin-top:18px}@media(max-width:760px){.sample-score-grid{grid-template-columns:repeat(2,1fr)}.sample-pros-cons{grid-template-columns:1fr}}
.sample-review-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:14px}.sample-review-actions .sample-review-link{margin-top:0}.review-helpful{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px}.review-helpful-btn{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--text);font:inherit;font-weight:750;cursor:pointer}.review-helpful-btn:hover{border-color:#6ea4c9;background:#f2f8fc}.review-helpful-btn.is-active{border-color:#168451;background:#e8f7ef;color:#12653f}.review-helpful-btn b{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 5px;border-radius:999px;background:#edf2f6}.review-helpful-btn.is-active b{background:#ccebdc}.sample-review-detail>.review-helpful{justify-content:flex-end;padding:16px 0;margin:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}@media(max-width:760px){.sample-review-actions{align-items:stretch;flex-direction:column}.sample-review-actions .btn{width:100%;text-align:center}.review-helpful{justify-content:space-between}.review-helpful-btn{flex:0 0 auto}}