:root {
    --smt-primary: #004d40;
    --smt-primary-dark: #00332a;
    --smt-accent: #00acc1;
    --smt-accent-dark: #00838f;
    --smt-bg: #fcfdfd;
    --smt-card-bg: #ffffff;
    --smt-border: #eaeff2;
    --smt-text: #2d3748;
    --smt-sub: #718096;
    --smt-light-mint: #e0f2f1;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--smt-bg); color: var(--smt-text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 13px; line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; transition: 0.2s; }

.smt-header { background: #ffffff; padding: 15px 0; border-bottom: 1px solid var(--smt-border); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
.smt-header-inner { max-width: 1300px; margin: 0 auto; padding: 0 15px; display: flex; justify-content: space-between; align-items: center; }
.smt-logo img { height: 45px; width: auto; max-width: 200px; object-fit: contain; }

.smt-nav-list { display: flex; list-style: none; gap: 30px; }
.smt-nav-list li a { display: block; color: var(--smt-text); font-size: 15px; font-weight: 600; text-transform: capitalize; padding: 10px 0; position: relative; }
.smt-nav-list li a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--smt-primary); transition: 0.3s; }
.smt-nav-list li a:hover::after, .smt-nav-list li.active a::after { width: 100%; }

.smt-header-tools { display: flex; gap: 20px; align-items: center; font-weight: 600; font-size: 14px; }
.smt-header-tools a:hover { color: var(--smt-accent); }

.smt-notice { max-width: 1300px; margin: 15px auto 0; padding: 10px 15px; background: var(--smt-light-mint); border-radius: 6px; color: var(--smt-primary-dark); font-size: 13px; text-align: center; }

.smt-container { max-width: 1300px; margin: 30px auto; padding: 0 15px; min-height: 60vh; }

.smt-hero-banner { background: #fdfdfd; padding: 60px 40px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; margin-bottom: 50px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,77,64,0.05); }
.smt-hero-left h1 { font-size: 42px; font-weight: 800; color: var(--smt-primary); margin-bottom: 20px; line-height: 1.2; }
.smt-hero-left p { font-size: 14px; color: var(--smt-sub); margin-bottom: 30px; }
.smt-btn-hero { display: inline-block; padding: 12px 35px; background: var(--smt-primary); color: #ffffff; font-size: 14px; font-weight: bold; border-radius: 30px; transition: 0.3s; box-shadow: 0 4px 10px rgba(0,77,64,0.2); }
.smt-btn-hero:hover { background: var(--smt-accent); box-shadow: 0 4px 10px rgba(0,172,193,0.3); }

.smt-section-head { text-align: center; margin: 60px 0 35px; }
.smt-section-title { font-size: 28px; font-weight: 800; color: var(--smt-primary); }

.smt-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.smt-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.smt-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.smt-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; }

.smt-promo-card { position: relative; border-radius: 12px; overflow: hidden; padding: 30px; display: flex; align-items: center; justify-content: space-between; background: var(--smt-light-mint); transition: 0.3s; }
.smt-promo-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(0,77,64,0.1); }
.smt-promo-info { flex: 1; z-index: 2; position: relative; }
.smt-promo-title { font-size: 20px; font-weight: 800; color: var(--smt-primary); margin-bottom: 10px; }
.smt-promo-price { font-size: 22px; font-weight: 900; color: var(--smt-accent); margin-bottom: 15px; }
.smt-promo-img { width: 120px; height: 120px; object-fit: contain; z-index: 1; }
.smt-btn-small { display: inline-block; padding: 6px 20px; background: var(--smt-primary); color: #ffffff; font-size: 12px; font-weight: bold; border-radius: 20px; }
.smt-btn-small:hover { background: var(--smt-accent); }

.smt-card-item { background: #ffffff; border: 1px solid var(--smt-border); border-radius: 12px; padding: 15px; transition: 0.3s; }
.smt-card-item:hover { border-color: var(--smt-primary); box-shadow: 0 10px 25px rgba(0,77,64,0.06); transform: translateY(-4px); }
.smt-card-img-box { width: 100%; height: 180px; background: #f5f7fa; border-radius: 8px; margin-bottom: 15px; display: flex; align-items: center; justify-content: center; }
.smt-card-img-box img { max-width: 80%; max-height: 80%; object-fit: contain; }
.smt-card-name { font-size: 14px; font-weight: 700; color: var(--smt-text); height: 22px; overflow: hidden; margin-bottom: 8px; }
.smt-card-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.smt-card-price { font-size: 16px; font-weight: 800; color: var(--smt-accent); }
.smt-btn-block { display: block; width: 100%; padding: 8px 0; background: var(--smt-light-mint); color: var(--smt-primary); font-size: 13px; font-weight: bold; text-align: center; border-radius: 6px; }
.smt-btn-block:hover { background: var(--smt-primary); color: #ffffff; }

.smt-bento { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 20px; height: 400px; margin-bottom: 60px; }
.smt-bento-left { background: #f5f7fa; border-radius: 12px; padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; }
.smt-bento-mid { display: grid; grid-template-rows: 1fr 1fr; gap: 20px; }
.smt-bento-right { background: #f5f7fa; border-radius: 12px; padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; position: relative; overflow: hidden; }
.smt-bento-item { background: #f5f7fa; border-radius: 12px; display: flex; align-items: center; justify-content: space-between; padding: 20px; position: relative; overflow: hidden; transition: 0.3s; border: 1px solid transparent; }
.smt-bento-item:hover, .smt-bento-left:hover, .smt-bento-right:hover { border-color: var(--smt-accent); }
.smt-bento-btn { background: #ffffff; color: var(--smt-primary); padding: 8px 20px; border-radius: 20px; font-size: 12px; font-weight: bold; display: inline-block; z-index: 2; position: relative; box-shadow: 0 4px 10px rgba(0,0,0,0.05); }

.smt-blog-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 30px; margin-bottom: 50px; }
.smt-blog-main { background: #ffffff; border: 1px solid var(--smt-border); border-radius: 12px; overflow: hidden; transition: 0.3s; }
.smt-blog-main:hover { box-shadow: 0 10px 25px rgba(0,0,0,0.05); }
.smt-blog-main img { width: 100%; height: 250px; object-fit: cover; }
.smt-blog-main-info { padding: 25px; }
.smt-blog-list { display: flex; flex-direction: column; gap: 20px; }
.smt-blog-item { display: flex; gap: 15px; align-items: center; background: #ffffff; padding: 15px; border-radius: 10px; border: 1px solid var(--smt-border); transition: 0.3s; }
.smt-blog-item:hover { border-color: var(--smt-accent); box-shadow: 0 5px 15px rgba(0,172,193,0.1); }
.smt-blog-thumb { width: 90px; height: 90px; background: #f5f7fa; border-radius: 8px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.smt-blog-thumb img { max-width: 70px; max-height: 70px; object-fit: contain; }

.smt-detail-layout { display: flex; gap: 40px; background: #ffffff; border: 1px solid var(--smt-border); padding: 40px; border-radius: 16px; margin-bottom: 40px; }
.smt-detail-media { flex: 0 0 350px; text-align: center; }
.smt-detail-img-wrap { width: 100%; height: 350px; margin-bottom: 15px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: #f5f7fa; padding: 20px; }
.smt-detail-img-wrap img { max-width: 100%; max-height: 100%; object-fit: contain; }
.smt-detail-info { flex: 1; padding-top: 10px; }
.smt-detail-name { font-size: 26px; font-weight: 800; color: var(--smt-primary); margin-bottom: 15px; line-height: 1.3; }
.smt-detail-meta-box { background: var(--smt-light-mint); border-radius: 8px; padding: 20px; margin-bottom: 25px; display: flex; justify-content: space-between; align-items: center; }

.smt-form-group { margin-bottom: 20px; }
.smt-form-label { display: block; font-weight: 700; margin-bottom: 8px; font-size: 13px; color: var(--smt-text); }
.smt-input { width: 100%; height: 45px; background: #ffffff; border: 1px solid var(--smt-border); border-radius: 8px; padding: 0 15px; outline: none; font-size: 14px; transition: 0.3s; }
.smt-input:focus { border-color: var(--smt-accent); box-shadow: 0 0 0 3px rgba(0,172,193,0.1); }
.smt-btn-submit { width: 100%; height: 50px; background: var(--smt-primary); color: #ffffff; font-size: 16px; font-weight: 800; border: none; border-radius: 8px; cursor: pointer; transition: 0.3s; }
.smt-btn-submit:hover { background: var(--smt-accent); }

.smt-box { background: #ffffff; border: 1px solid var(--smt-border); border-radius: 12px; padding: 30px; margin-bottom: 30px; }

.smt-footer { background: var(--smt-primary); color: #b2dfdb; padding: 60px 15px 40px; margin-top: 60px; }
.smt-footer-inner { max-width: 1300px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.smt-footer-logo { font-size: 24px; font-weight: 800; color: #ffffff; margin-bottom: 25px; }
.smt-footer-links { display: flex; gap: 30px; margin-bottom: 20px; }
.smt-footer-links a { color: #ffffff; font-weight: 600; font-size: 14px; }
.smt-footer-links a:hover { color: var(--smt-accent); }

@media (max-width: 992px) {
    .smt-grid-5 { grid-template-columns: repeat(3, 1fr); }
    .smt-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .smt-grid-3 { grid-template-columns: 1fr; }
    .smt-grid-2 { grid-template-columns: 1fr; }
    .smt-bento { grid-template-columns: 1fr; height: auto; }
    .smt-bento-left, .smt-bento-right { height: 250px; }
    .smt-blog-layout { grid-template-columns: 1fr; }
    .smt-hero-banner { grid-template-columns: 1fr; text-align: center; padding: 40px 20px; }
    .smt-detail-layout { flex-direction: column; }
    .smt-detail-media { flex: 1; }
}
@media (max-width: 640px) {
    .smt-grid-5, .smt-grid-4 { grid-template-columns: 1fr; }
    .smt-nav-list { gap: 15px; }
    .smt-nav-list li a { font-size: 13px; padding: 10px 0; }
}