:root{--ink:#173a36;--forest:#0d2b27;--moss:#3f6b55;--mint:#dce9df;--paper:#f8f6ef;--sand:#e8dfcc;--coral:#dc7155;--line:#c9d4cd;--muted:#60716d;--body:"Segoe UI",Arial,sans-serif;--display:Georgia,"Times New Roman",serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 var(--body)}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--coral);outline-offset:3px}.wrap{max-width:1240px;margin:auto;padding:0 24px}.site-header{background:var(--forest);color:#fff;padding:16px 0}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font:700 24px/1 var(--display);text-decoration:none}.brand small{font:600 11px/1 var(--body);letter-spacing:.08em;color:#b7d2c3;margin-left:8px}.nav{display:flex;gap:19px;flex-wrap:wrap}.nav a{color:#deeee5;text-decoration:none;font-size:14px}.nav 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0}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.principle{border-top:3px solid var(--coral);padding-top:14px}.principle h2{font:30px/1 var(--display);margin:0 0 8px}.principle p{margin:0;color:#31544a}.guides{padding:70px 0}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.guide-card{background:var(--forest);color:#fff;padding:25px;min-height:240px;display:flex;flex-direction:column;justify-content:space-between;text-decoration:none}.guide-card:nth-child(2){background:#5c755d}.guide-card:nth-child(3){background:#b95f4a}.guide-card h3{font:30px/1 var(--display);margin:0}.guide-card p{margin:15px 0;color:#e0eee7}.guide-card span{font-weight:700}.page-hero{background:var(--mint);padding:65px 0 50px}.page-hero h1{font-size:clamp(40px,5vw,64px);max-width:820px}.page-hero p{max-width:720px;font-size:18px}.prose{max-width:790px;padding:52px 24px 75px}.prose h2{font:36px/1.1 var(--display);margin:46px 0 12px}.prose h3{font:25px/1.2 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0}.hero-grid{gap:35px}.finder{grid-template-columns:1fr}.section-heading{align-items:start;flex-direction:column}.product-card{grid-template-columns:1fr}.product-image{height:240px}.product-body{padding:16px}.card-actions{align-items:flex-start;flex-direction:column;gap:9px}.page-hero{padding:45px 0}.prose{padding:35px 17px 55px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{max-width:1560px}.catalog .wrap{max-width:1640px}.grid{gap:26px}.product-card{grid-template-columns:minmax(280px,38%) 1fr;min-height:0;align-items:start}.product-image{height:380px;min-height:0;padding:12px;background:#eef3ef}.product-image img{height:100%;object-fit:contain}@media(max-width:900px){.product-card{grid-template-columns:minmax(230px,36%) 1fr}.product-image{height:360px}}@media(max-width:620px){.product-image{height:320px}}
.product-card{align-items:stretch}.product-image{height:auto;min-height:380px}.product-body{display:flex;flex-direction:column}.card-actions{margin-top:auto;padding-top:15px}@media(max-width:900px){.product-image{height:auto;min-height:360px}}@media(max-width:620px){.product-image{height:320px;min-height:0}}
.site-header{padding:13px 0}.nav a{color:#f3fbf6;font-weight:600}.nav a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}.hero.hero-finds{padding:30px 0 28px;background:linear-gradient(105deg,var(--forest) 0 63%,#285446 63%)}.hero-grid{grid-template-columns:minmax(0,1fr) minmax(430px,.9fr);gap:40px;align-items:center}.hero h1{font-size:clamp(38px,4.4vw,62px);max-width:none}.hero-copy{font-size:17px;line-height:1.45;margin:13px 0 18px;max-width:620px}.hero-browse{display:inline-block;color:#fff;background:var(--coral);padding:9px 14px;border-radius:4px;font-weight:700;text-decoration:none}.hero-browse:hover{background:#ef8b6d}.find-preview{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:8px;min-height:156px}.find-preview a{position:relative;overflow:hidden;display:block;min-height:156px;background:#d9e6dd;color:#fff;text-decoration:none}.find-preview img{width:100%;height:100%;object-fit:cover;display:block}.find-preview a:first-child{grid-row:span 2;min-height:320px}.find-preview a span{position:absolute;bottom:0;left:0;right:0;padding:7px 9px;background:linear-gradient(transparent,rgba(5,27,22,.9));font-size:13px;font-weight:700;padding-top:25px}.catalog{padding:28px 0 64px}.section-heading{margin-bottom:13px}.section-heading h2{font-size:34px}.catalog-note{max-width:760px!important;color:#46635b!important;font-size:14px}.finder{margin-bottom:13px;border-color:#82998f;box-shadow:none}.finder input,.finder select{border-color:#6c8178;color:#173a36}.finder input::placeholder{color:#47645b;opacity:1}.filter-footer{margin:0 0 16px;color:#38564d;font-weight:600}.product-card h3{font-size:24px}.source-title{color:#456259}.card-top{color:#456259}.card-actions{border-top:1px solid var(--line)}.text-link{color:#285f4e;font-weight:600}.guides{padding-top:58px}@media(max-width:900px){.hero.hero-finds{padding:25px 0}.hero-grid{grid-template-columns:1fr;gap:22px}.find-preview{grid-template-columns:1.35fr 1fr 1fr;max-height:185px;min-height:130px}.find-preview a{min-height:88px}.find-preview a:first-child{min-height:185px}.catalog{padding-top:24px}}@media(max-width:620px){.hero.hero-finds{padding:24px 0 22px}.hero h1{font-size:42px}.hero-copy{font-size:16px;margin:10px 0 14px}.find-preview{min-height:112px;max-height:112px}.find-preview a{min-height:52px}.find-preview a:first-child{min-height:112px}.find-preview a span{font-size:11px;padding:20px 6px 5px}.hero-browse{padding:8px 12px}.catalog{padding:22px 0 50px}.section-heading h2{font-size:31px}.catalog-note{font-size:13px}.finder{padding:12px}.filter-footer{font-size:13px}}
.find-preview{min-height:120px}.find-preview a{min-height:120px}.find-preview a:first-child{min-height:248px}@media(max-width:620px){.brand{font-size:21px;display:flex;flex-direction:column;gap:4px}.brand small{margin:0}.hero h1{font-size:36px;overflow-wrap:anywhere}.hero-copy{max-width:100%}}
.hero-grid,.find-preview,.find-preview a{min-width:0}.find-preview{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr) minmax(0,1fr)}
@media(max-width:620px){.hero-grid,.find-preview{width:100%;max-width:100%}.find-preview{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}.find-preview a:nth-child(3){display:none}}
@media(max-width:800px){.brand{font-size:21px;display:flex;flex-direction:column;gap:4px}.brand small{margin:0}.hero h1{font-size:36px;overflow-wrap:anywhere}.hero-copy{max-width:100%}.hero-grid,.find-preview{width:100%;max-width:100%}.find-preview{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}.find-preview a:nth-child(3){display:none}}
@media(max-width:620px){.find-preview{display:block;height:128px;min-height:0;max-height:none}.find-preview a:first-child{display:block;height:128px;min-height:0}.find-preview a:nth-child(n+2){display:none}}
@media(max-width:800px){.find-preview{display:block;height:128px;min-height:0;max-height:none}.find-preview a:first-child{display:block;height:128px;min-height:0}.find-preview a:nth-child(n+2){display:none}}
/* LoongBuy visual language: official orange #ff5900 with warm yellow accents. */
:root{--ink:#1d2129;--forest:#1d2129;--moss:#ff5900;--mint:#fff2eb;--paper:#f7f9fc;--sand:#fff2eb;--coral:#ff5900;--line:#d7deea;--muted:#606266}
.site-header{background:#fff;color:var(--ink);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(29,33,41,.04)}
.brand{display:flex;align-items:center;gap:10px;font-size:0;min-height:30px}
.brand::before{content:"";display:block;width:142px;height:28px;background:url("/assets/loongbuy-logo.svg") left center/contain no-repeat}
.brand small{margin:0;color:#606266;font:700 10px/1 var(--body);letter-spacing:.06em;text-transform:uppercase}
.nav a{color:#303133}.nav a:hover,.nav a[aria-current="page"]{color:#ff5900}.nav a[aria-current="page"]{text-decoration-color:#ff5900}
.hero.hero-finds{background:linear-gradient(105deg,#1d2129 0 62%,#ff5900 62%)}
.hero-browse{background:#ff5900}.hero-browse:hover{background:#e65000}.find-preview a{background:#fff2eb}.find-preview a span{background:linear-gradient(transparent,rgba(29,33,41,.92))}
.eyebrow{color:#ffb38b}.catalog-note{color:#4e5968!important}.finder{border-color:#c8d0dd}.finder input,.finder select{border-color:#aeb8c6;color:#1d2129}.finder input::placeholder{color:#606266}.filter-footer{color:#4e5968}.source-title,.card-top{color:#606266}.card-top span,.text-link{color:#e65000}.text-link{font-weight:700}
.button-dark{background:#ff5900}.button-dark:hover{background:#e65000}.guide-card{background:#1d2129}.guide-card:nth-child(2){background:#ff5900}.guide-card:nth-child(3){background:#fdcb02;color:#1d2129}.guide-card:nth-child(3) p{color:#4e5968}.page-hero{background:#fff2eb}.site-footer{background:#1d2129}.fineprint{border-color:#41464f}
@media(max-width:800px){.brand{align-items:flex-start;gap:5px}.brand::before{width:126px;height:25px}.brand small{font-size:9px}}
@media(max-width:620px){.product-card{grid-template-columns:1fr}}
.hero.hero-finds{background:#1d2129;padding:42px 0 38px}.hero-grid{display:block;text-align:center}.hero h1{margin:0 auto}.hero-copy{margin:14px auto 20px}.hero-browse{margin:0 auto}
.product-card{align-items:start}.product-image{height:auto;min-height:0;aspect-ratio:1/1;padding:0}.product-body{display:block}.card-actions{margin-top:14px;padding-top:14px}
.price-note{margin:0 0 10px;color:#4e5968;font-size:13px;line-height:1.45}.filter-footer{margin-top:0}
@media(min-width:1280px){.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.product-card{grid-template-columns:minmax(150px,36%) 1fr}.product-body{padding:14px}.product-card h3{font-size:21px}.source-title{font-size:12px}.card-top{font-size:11px}.price{font-size:21px;margin:13px 0 5px}.card-actions{gap:11px;margin-top:12px;padding-top:12px}.card-actions .button,.text-link{font-size:12px}}
.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.product-card{display:flex;flex-direction:column;min-width:0;background:#fff}.product-image{display:block;width:100%;height:auto;min-height:0;aspect-ratio:1/1;padding:0;overflow:hidden;background:#f1f3f6}.product-image img{display:block;width:100%;height:100%;object-fit:contain}.product-body{display:flex;flex:1;flex-direction:column;min-height:0;padding:16px}.product-category{margin:0;color:#e65000;font-size:12px;font-weight:700}.product-card h3{display:-webkit-box;overflow:hidden;min-height:2.24em;margin:6px 0 0;color:#1d2129;font-size:22px;line-height:1.12;-webkit-box-orient:vertical;-webkit-line-clamp:2}.product-card h3 a{color:inherit;text-decoration:none}.product-card h3 a:hover{text-decoration:underline;text-decoration-color:#ff5900;text-underline-offset:3px}.editor-note{display:-webkit-box;overflow:hidden;margin:8px 0 0;color:#606266;font-size:13px;line-height:1.4;-webkit-box-orient:vertical;-webkit-line-clamp:1}.price{margin:14px 0 0;color:#1d2129;font-size:24px}.price small{font-size:11px}.card-actions{display:flex;align-items:center;gap:13px;margin:16px 0 12px;padding:0;border:0}.card-actions .button{padding:10px 12px;font-size:13px}.text-link{color:#606266;font-size:13px;font-weight:600}.text-link:hover{color:#e65000}.checked-date{margin-top:auto;padding-top:9px;border-top:1px solid #e4e8ef;color:#7b8491;font-size:11px;line-height:1.2}@media(max-width:1100px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.grid{grid-template-columns:1fr;gap:16px}.product-body{padding:15px}.product-card h3{font-size:21px}.product-image{aspect-ratio:1/1}.card-actions{gap:12px}}
@media(min-width:1280px){.grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.product-body{padding:12px}.product-category{font-size:11px}.product-card h3{margin-top:5px;font-size:18px}.price{margin-top:11px;font-size:20px}.price small{font-size:10px}.card-actions{gap:9px;margin:13px 0 10px}.card-actions .button{padding:8px 9px;font-size:11px}.text-link{font-size:11px}.checked-date{padding-top:7px;font-size:10px}}@media(min-width:1101px) and (max-width:1279px){.grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.product-body{padding:14px}.product-card h3{font-size:20px}}
.pager{gap:8px}.pager .page-number{min-width:38px;padding:10px 8px;background:#fff;color:#1d2129;border:1px solid #c8d0dd}.pager .page-number:hover{background:#fff2eb}.pager .page-number[aria-current="page"]{background:#ff5900;border-color:#ff5900;color:#fff}
.price{font-family:var(--body);font-size:22px;font-weight:700;line-height:1.15;letter-spacing:-.015em;font-variant-numeric:tabular-nums}@media(min-width:1280px){.price{font-size:19px}}
.hero.hero-finds{--catalog-hero-image:image-set(url("loongbuy-catalog-hero-desktop.avif") type("image/avif") 1x,url("loongbuy-catalog-hero-desktop.webp") type("image/webp") 1x);color:#1d2129;background-color:#f9efd6;background-image:none;background-position:center;background-repeat:no-repeat;background-size:cover}.hero.hero-finds .hero-copy{color:#3d454f}
.hero.hero-finds{display:flex;align-items:center;aspect-ratio:2048/720;min-height:0;padding:0;background-size:100% auto}.hero.hero-finds .hero-grid{width:100%}@media(max-width:620px){.hero.hero-finds{aspect-ratio:auto;min-height:305px;padding:24px 0 22px;background-size:cover}}
.hero.hero-finds{aspect-ratio:32/9;background-size:80% auto}@media(max-width:620px){.hero.hero-finds{aspect-ratio:auto;min-height:305px;padding:24px 0 22px;background-size:cover}}
.hero.hero-finds{background-size:cover}.hero.hero-finds h1{font-size:clamp(44px,5vw,78px)}.hero.hero-finds .hero-copy{font-size:18px;line-height:1.5}@media(max-width:620px){.hero.hero-finds{aspect-ratio:auto;min-height:305px;padding:24px 0 22px;background-size:cover}.hero.hero-finds h1{font-size:42px}.hero.hero-finds .hero-copy{font-size:16px}}
.hero.hero-finds{position:relative;background-image:none}.hero.hero-finds::before,.hero.hero-finds::after{content:"";position:absolute;pointer-events:none}.hero.hero-finds::before{inset:-24px;background:var(--catalog-hero-image) center/cover no-repeat;filter:blur(18px);opacity:.72;transform:scale(1.04)}.hero.hero-finds::after{inset:0;background:var(--catalog-hero-image) center/contain no-repeat}.hero.hero-finds .hero-grid{position:relative;z-index:1}@media(max-width:620px){.hero.hero-finds{--catalog-hero-image:image-set(url("loongbuy-catalog-hero-mobile.avif") type("image/avif") 1x,url("loongbuy-catalog-hero-mobile.webp") type("image/webp") 1x)}.hero.hero-finds::before{inset:0;background-size:cover;filter:none;opacity:1;transform:none}.hero.hero-finds::after{display:none}}
@media(min-width:621px){.hero.hero-finds::before{inset:0 auto 0 0;width:40%;background:var(--catalog-hero-image) left center/auto 100% no-repeat;filter:none;opacity:1;transform:none}.hero.hero-finds::after{inset:0 0 0 auto;width:40%;background:var(--catalog-hero-image) right center/auto 100% no-repeat}}
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.catalog + .beginner-note{margin-top:0;padding-top:56px}@media(max-width:620px){.catalog + .beginner-note{padding-top:36px}}