:root{
  /* 配色参考 artificialturfsupply.com：草绿主色 + 橙色CTA */
  --green:#227322;
  --green-dark:#1a5a1a;
  --green-darker:#134613;
  --green-deep:#0d350d;
  --green-light:#e8f3e8;
  --accent:#ff793a;
  --accent-dark:#e8641f;
  --accent-soft:#ffe9de;
  --ink:#333;
  --muted:#4d4d4d;
  --line:#e3eadf;
  --bg:#ffffff;
  --bg-soft:#f2f6f2;
  --radius:14px;
  --shadow:0 10px 30px rgba(13,53,13,.10);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}
.section{padding:84px 0}
.section-soft{background:var(--bg-soft)}
.eyebrow{color:var(--green);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem}
h1,h2,h3{line-height:1.2;font-weight:800;color:var(--ink)}
h2.section-title{font-size:clamp(1.6rem,3vw,2.4rem);margin:.4rem 0 1rem}
.section-sub{color:var(--muted);max-width:720px;margin-bottom:2.4rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#fff;padding:.85rem 1.7rem;border-radius:999px;font-weight:700;transition:.25s;border:2px solid var(--accent);cursor:pointer}
.btn:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--green);border-color:var(--green)}
.btn-outline:hover{background:var(--green);color:#fff;border-color:var(--green)}
.btn-light{background:#fff;color:var(--green-dark);border-color:#fff}
.btn-light:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.grid{display:grid;gap:1.6rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ===== Header ===== */
.topbar{background:var(--green-deep);color:#cfe6d3;font-size:.82rem;padding:.4rem 0}
.topbar .container{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.topbar span i{margin-right:.35rem;color:var(--accent)}
header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 14px rgba(12,61,23,.08)}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.logo{display:flex;align-items:center;gap:.55rem;font-size:1.6rem;font-weight:900;color:var(--green-dark);letter-spacing:.04em}
.logo .logo-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--green),var(--accent));display:grid;place-items:center;color:#fff;font-size:1.1rem}
.logo span{color:var(--accent)}
nav ul{display:flex;gap:1.8rem;align-items:center}
nav a{font-weight:600;color:var(--ink);font-size:.95rem;transition:.2s;position:relative}
nav a:hover,nav a.active{color:var(--green)}
nav a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--green));box-shadow:0 2px 6px rgba(255,121,58,.45);transition:width .3s ease}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--green-dark);cursor:pointer}

/* ===== Hero ===== */
.hero{position:relative;min-height:640px;display:flex;align-items:center;color:#fff;background:linear-gradient(105deg,rgba(12,61,23,.92) 30%,rgba(31,107,46,.55)),var(--hero-img) center/cover no-repeat}
.hero-content{max-width:640px;padding:120px 0}
.hero .eyebrow{color:var(--accent)}
.hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.6rem);margin:.8rem 0 1.2rem}
.hero p{color:#dcefe0;font-size:1.1rem;margin-bottom:2rem;max-width:560px}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:2.5rem;margin-top:3rem;flex-wrap:wrap}
.hero-stats .stat b{font-size:1.9rem;color:var(--accent)}
.hero-stats .stat small{display:block;color:#cfe6d3}

/* 首页 banner 视频背景（对齐 artificialturfsupply.com 视频格式） */
.hero-video{position:relative;min-height:510px;display:flex;align-items:center;color:#fff;background:linear-gradient(105deg,rgba(12,61,23,.92),rgba(31,107,46,.55));overflow:hidden}
.hero-video-wrap{position:absolute;inset:0;z-index:0}
.hero-bg-video{width:100%;height:100%;object-fit:cover;display:block}
.hero-video-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(12,61,23,.88) 25%,rgba(31,107,46,.5))}
.hero-video .container{position:relative;z-index:1}
.hero-video .hero-content{padding:48px 0}
.hero-video .hero-stats{margin-top:1.6rem;gap:2rem}
.hero-video h1{margin:.6rem 0 .9rem}
.hero-video p{margin-bottom:1.5rem}

/* ===== Trust bar ===== */
.trustbar{background:#fff;padding:1.6rem 0;border-bottom:1px solid var(--line)}
.trustbar .container{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:.7rem;font-weight:600;color:var(--muted);font-size:.92rem}
.trust-item i{color:var(--green);font-size:1.3rem}

/* ===== Cards ===== */
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s;border:1px solid var(--line)}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(12,61,23,.16)}
.card-img{height:210px;object-fit:cover;width:100%}
.card-body{padding:1.4rem}
.card-body h3{font-size:1.1rem;margin-bottom:.5rem}
.card-body p{color:var(--muted);font-size:.92rem;margin-bottom:1rem}
.card-link{color:var(--green);font-weight:700;font-size:.9rem}
.card-link:hover{color:var(--green-dark)}
.badge{display:inline-block;background:var(--green-light);color:var(--green-dark);font-size:.72rem;font-weight:700;padding:.25rem .7rem;border-radius:999px;margin-bottom:.6rem;text-transform:uppercase;letter-spacing:.06em}

/* category card with image bg */
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;height:300px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow)}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s}
.cat-card:hover img{transform:scale(1.06)}
.cat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(12,61,23,.88))}
.cat-card .cat-body{position:relative;z-index:2;padding:1.6rem}
.cat-card h3{color:#fff;font-size:1.25rem}
.cat-card p{color:#d9ecdd;font-size:.88rem;margin:.3rem 0 .7rem}
.cat-card a{color:var(--accent);font-weight:700;font-size:.88rem}

/* spec table */
.spec-list{display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1.2rem;font-size:.85rem;color:var(--muted);margin:.8rem 0 1rem}
.spec-list b{color:var(--ink)}

/* ===== Split sections ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
.check-list li{display:flex;gap:.7rem;margin-bottom:.9rem;color:var(--muted)}
.check-list i{color:var(--green);margin-top:.2rem}
.check-list b{color:var(--ink)}

/* ===== Feature strip ===== */
.features{background:var(--green-deep);color:#fff;border-radius:20px;padding:2.6rem;display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}
.feature{text-align:center}
.feature i{font-size:2.2rem;color:var(--accent);margin:0 auto .7rem;display:block}
.feature h3{color:#fff;font-size:1.05rem;margin-bottom:.3rem}
.feature p{color:#b9d6bf;font-size:.86rem}

/* ===== CTA band ===== */
.cta-band{background:linear-gradient(120deg,var(--green-dark),var(--green-deep));border-radius:20px;padding:3.4rem;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:1.8rem;margin-bottom:.4rem}
.cta-band p{color:#cfe6d3;max-width:520px}
.cta-chips{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem}
.cta-chips span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:.35rem .9rem;border-radius:999px;font-size:.8rem}

/* ===== Page hero (sub pages) ===== */
.page-hero{background:linear-gradient(105deg,rgba(13,53,13,.94),rgba(26,90,26,.7)),var(--hero-img) center/cover no-repeat;color:#fff;padding:110px 0 70px}
.page-hero h1{color:#fff;font-size:clamp(2rem,4vw,3rem);margin:.5rem 0 .8rem}
.page-hero p{color:#d9ecdd;max-width:640px}
.breadcrumb{font-size:.85rem;color:#b9d6bf}
.breadcrumb a{color:var(--accent)}

/* ===== Filters ===== */
.filter-bar{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2.2rem}
.filter-btn{background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:.5rem 1.2rem;font-weight:600;font-size:.85rem;cursor:pointer;color:var(--muted);transition:.2s;font-family:var(--font)}
.filter-btn:hover,.filter-btn.active{background:var(--green);color:#fff;border-color:var(--green)}

/* ===== Product detail ===== */
.detail-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:3rem;align-items:start}
.detail-grid .main-img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:430px;object-fit:cover}
.thumbs{display:flex;gap:.8rem;margin-top:1rem}
.thumbs img{width:90px;height:70px;object-fit:cover;border-radius:8px;border:2px solid transparent;cursor:pointer}
.thumbs img.active{border-color:var(--green)}
.price-note{background:var(--green-light);border-left:4px solid var(--green);padding:1rem 1.2rem;border-radius:0 10px 10px 0;color:var(--green-darker);font-weight:600;margin:1.4rem 0}
.spec-table{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.9rem}
.spec-table td{padding:.65rem .9rem;border-bottom:1px solid var(--line)}
.spec-table td:first-child{color:var(--muted);width:42%}
.spec-table td:last-child{font-weight:600}
.tabs{margin-top:3.5rem}
.tab-btns{display:flex;gap:.5rem;border-bottom:2px solid var(--line);flex-wrap:wrap}
.tab-btn{background:none;border:none;padding:.8rem 1.4rem;font-weight:700;font-family:var(--font);color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;font-size:.95rem}
.tab-btn.active{color:var(--green);border-color:var(--green)}
.tab-pane{display:none;padding:1.8rem 0;color:var(--muted)}
.tab-pane.active{display:block}

/* 产品详情右侧信息区（对齐参考站） */
.pd-price{font-size:27px;font-weight:800;color:#0d401c;margin:.4rem 0 .3rem;line-height:1.1}
.pd-price-unit{font-size:15px;font-weight:500;color:var(--muted)}
.pd-price-note{font-size:14px;color:var(--muted);margin:.2rem 0 1.2rem;line-height:1.55}
.pd-kv-list{margin-bottom:.4rem}
.pd-kv{display:flex;gap:1rem;padding:.55rem 0;border-bottom:1px solid #efedeb;font-size:15px}
.pd-kv:last-child{border-bottom:none}
.pd-kv-label{flex:0 0 110px;color:#7a7570;font-weight:600}
.pd-kv-val{color:#14100f;font-weight:700}
.pd-footnote{display:flex;align-items:center;gap:.5rem;color:var(--muted);font-size:.85rem;margin-top:1rem}
.pd-footnote i{color:var(--green)}
/* 产品详情右侧按钮（对齐参考站） */
.pd-btn{display:inline-flex;align-items:center;justify-content:center;padding:0 24px;height:44px;border:none;border-radius:4px;font-size:14.7px;font-weight:700;text-decoration:none;cursor:pointer;font-family:inherit;transition:opacity .2s}
.pd-btn:hover{opacity:.88}
.pd-btn-inquiry{background:#f8c32c;color:#fff}
.pd-btn-contact{background:#0d401c;color:#fff}
/* 产品详情卖点列表 + 联系方式 + 分类链接（对齐参考站） */
.pd-features{display:grid;grid-template-columns:1fr 1fr;gap:.6rem 1.4rem;margin-top:1.3rem}
.pd-feature{display:flex;align-items:center;gap:.55rem;font-size:.9rem;color:var(--ink);font-weight:600}
.pd-feature i{color:var(--green);font-size:.95rem;flex:none}
.pd-cat-link{color:var(--green);text-decoration:none;font-weight:700}
.pd-cat-link:hover{text-decoration:underline}
.pd-contact{margin-top:1.2rem;padding-top:1.1rem;border-top:1px solid var(--line)}
.pd-contact-row{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.85rem;margin-bottom:.5rem}
.pd-contact-row:last-child{margin-bottom:0}
.pd-contact-row i{color:var(--green);width:16px;flex:none}
.pd-contact-row a{color:var(--green);text-decoration:none}
.pd-contact-row a:hover{text-decoration:underline}
.pd-sep{color:var(--muted)}
/* Send inquiry 弹窗（对齐参考站 Leave A Message） */
.inq-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9999;display:flex;align-items:center;justify-content:center;padding:1.2rem;animation:inqFade .2s ease}
.inq-overlay[hidden]{display:none}
@keyframes inqFade{from{opacity:0}to{opacity:1}}
.inq-modal{background:#fff;border-radius:8px;width:100%;max-width:480px;max-height:92vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:inqUp .25s ease}
@keyframes inqUp{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}
.inq-header{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 1.3rem;border-bottom:1px solid var(--line)}
.inq-title{font-size:1.2rem;font-weight:800;font-style:normal;color:var(--ink)}
.inq-close{background:none;border:none;font-size:1.2rem;color:var(--muted);cursor:pointer;line-height:1;padding:.2rem}
.inq-close:hover{color:var(--ink)}
.inq-body{padding:1.3rem}
.inq-intro{font-size:.88rem;color:var(--muted);line-height:1.5;margin-bottom:1.1rem}
.inq-product{display:flex;align-items:center;gap:1rem;background:#f6f7f4;border-radius:8px;padding:.8rem;margin-bottom:1.2rem}
.inq-product img{width:64px;height:64px;object-fit:cover;border-radius:6px;flex:none}
.inq-product-name{font-weight:700;color:var(--ink);font-size:.95rem;line-height:1.35}
.inq-form{display:flex;flex-direction:column;gap:.8rem}
.inq-row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.inq-form input,.inq-form select,.inq-form textarea{width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:6px;font-size:.9rem;font-family:inherit;color:var(--ink);background:#fff}
.inq-form input:focus,.inq-form select:focus,.inq-form textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(34,115,34,.1)}
.inq-form textarea{resize:vertical}
.inq-submit{background:var(--green);color:#fff;border:none;border-radius:6px;padding:.85rem;font-size:1rem;font-weight:700;cursor:pointer;transition:background .2s}
.inq-submit:hover{background:var(--green-dark)}
.inq-submit:disabled{opacity:.7;cursor:default}
@media(max-width:480px){.inq-row{grid-template-columns:1fr}}
@media(max-width:480px){.pd-features{grid-template-columns:1fr}}
.intro-table-wrap{overflow-x:auto}
.intro-table{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff}
.intro-table td{padding:.8rem 1.1rem;border:1px solid #e8e6e3;vertical-align:middle;line-height:1.5}
.intro-table td:nth-child(odd){color:var(--muted);width:14%;background:#fafafa}
.intro-table td:nth-child(even){color:var(--ink);font-weight:600;width:36%}
@media(max-width:640px){
  .intro-table td{padding:.6rem .7rem;font-size:.82rem}
  .intro-table td:nth-child(odd){width:24%}
  .intro-table td:nth-child(even){width:26%}
}

/* ===== Steps ===== */
.steps{counter-reset:step;display:grid;gap:1.4rem}
.step{display:flex;gap:1.4rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.step-num{flex:0 0 52px;height:52px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.15rem}
.step h3{margin-bottom:.3rem}
.step p{color:var(--muted);font-size:.92rem}

/* ===== Forms ===== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form-grid .full{grid-column:1/-1}
label{display:block;font-size:.82rem;font-weight:700;margin-bottom:.35rem;color:var(--ink)}
input,select,textarea{width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:10px;font-family:var(--font);font-size:.92rem;background:#fff;transition:.2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(46,139,63,.12)}
textarea{resize:vertical;min-height:120px}
.contact-info li{display:flex;gap:1rem;margin-bottom:1.4rem;align-items:flex-start}
.contact-info i{color:var(--green);font-size:1.3rem;margin-top:.2rem}
.contact-info b{display:block}
.contact-info span{color:var(--muted);font-size:.92rem}

/* ===== Stats counters ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;text-align:center}
.stat-box{background:#fff;border-radius:var(--radius);padding:2rem 1rem;box-shadow:var(--shadow);border-top:4px solid var(--accent)}
.stat-box b{font-size:2.2rem;color:var(--green-dark)}
.stat-box span{color:var(--muted);font-size:.88rem;display:block}

/* ===== Reviews ===== */
.review{background:#fff;border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow);border:1px solid var(--line)}
.review .stars{color:#f5a623;margin-bottom:.7rem}
.review p{color:var(--muted);font-size:.92rem;margin-bottom:1rem}
.review .who{display:flex;align-items:center;gap:.8rem}
.review .who .avatar{width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800}
.review .who b{font-size:.9rem}
.review .who small{color:var(--muted);display:block}

/* ===== FAQ ===== */
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:.9rem;overflow:hidden;background:#fff}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:1.1rem 1.4rem;font-weight:700;font-family:var(--font);font-size:.98rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq-q i{color:var(--green);transition:.3s}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:.35s;color:var(--muted);font-size:.92rem}
.faq-item.open .faq-a{max-height:300px}
.faq-a p{padding:0 1.4rem 1.2rem}
.faq-list{max-width:820px;margin:0 auto}

/* 板块标题 / 浅色背景板块 */
.section-tint{background:#f6f8f5}
.section-head{max-width:720px;margin:0 auto 2.6rem;text-align:center}
.section-head .eyebrow{color:var(--green)}
.section-head h2{margin:.6rem 0 .8rem}
.section-head p{color:var(--muted)}

/* 博客模块 */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.blog-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink);transition:.3s}
.blog-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(13,53,13,.1)}
.blog-img{aspect-ratio:16/10;overflow:hidden;background:#eee}
.blog-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.blog-card:hover .blog-img img{transform:scale(1.05)}
.blog-body{padding:1.4rem 1.4rem 1.6rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.blog-meta{font-size:.78rem;font-weight:700;color:var(--green);text-transform:uppercase;letter-spacing:.5px}
.blog-body h3{font-size:1.08rem;line-height:1.35;color:var(--ink)}
.blog-body p{font-size:.9rem;color:var(--muted);flex:1}
.blog-link{font-size:.86rem;font-weight:700;color:var(--green);display:inline-flex;align-items:center;gap:.4rem;margin-top:auto}
.blog-link i{transition:transform .3s}
.blog-card:hover .blog-link i{transform:translateX(4px)}
@media(max-width:820px){.blog-grid{grid-template-columns:1fr}}

/* ===== Footer ===== */
footer{background:var(--green-deep);color:#b9d6bf;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2.5rem;padding:4rem 0 3rem}
footer h4{color:#fff;font-size:1.02rem;margin-bottom:1.1rem}
footer li{margin-bottom:.6rem}
footer a{font-size:.9rem;transition:.2s}
footer a:hover{color:var(--accent)}
footer .brand p{font-size:.9rem;margin:1rem 0 1.4rem;max-width:300px}
.socials{display:flex;gap:.7rem}
.socials a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;color:#fff}
.socials a:hover{background:var(--accent);color:var(--green-deep)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.3rem 0;font-size:.82rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* ===== Floating quote button ===== */
.float-quote{position:fixed;right:22px;bottom:22px;z-index:90;background:var(--accent);color:#fff;font-weight:800;padding:.95rem 1.5rem;border-radius:999px;box-shadow:0 12px 30px rgba(255,121,58,.45);transition:.25s}
.float-quote:hover{transform:translateY(-3px);background:var(--accent-dark)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:.7s ease}
.reveal.visible{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .features{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .grid-2,.grid-3{grid-template-columns:1fr}
  .split,.detail-grid,.form-grid{grid-template-columns:1fr}
  nav{position:fixed;left:0;right:0;top:64px;background:#fff;box-shadow:0 20px 30px rgba(0,0,0,.12);display:none;max-height:calc(100vh - 64px);overflow-y:auto;z-index:99}
  nav.open{display:block}
  nav ul{flex-direction:column;align-items:flex-start;padding:1.2rem 5%;gap:1rem}
  .nav-toggle{display:block}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:60px 0}
  .hero{min-height:560px}
  .cta-band{padding:2.2rem}
}
@media(max-width:480px){
  .features{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:1.4rem}
}

/* ===== Products 目录页（Browse by Category）—— 对齐参考站 ===== */
.catalog-head{margin-bottom:1.8rem}
.catalog-eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--green);margin-bottom:.4rem}
.catalog-head h2{font-size:1.9rem;font-weight:800;color:#111}
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.catalog-card{display:block;background:#fff;border:1px solid rgba(20,16,15,.1);border-radius:14px;overflow:hidden;text-decoration:none;transition:box-shadow .25s,transform .25s}
.catalog-card:hover{box-shadow:0 10px 28px rgba(0,0,0,.12);transform:translateY(-3px)}
.cc-img{aspect-ratio:4/3;overflow:hidden}
.cc-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.catalog-card:hover .cc-img img{transform:scale(1.05)}
.cc-body{padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.cc-name{font-size:15.5px;font-weight:700;color:rgb(20,16,15);line-height:1.3}
.cc-count{font-size:12.5px;font-weight:600;color:var(--green)}
@media(max-width:820px){.catalog-grid{grid-template-columns:repeat(2,1fr);gap:12px}.catalog-head h2{font-size:1.5rem}}
@media(max-width:480px){.catalog-grid{grid-template-columns:1fr 1fr;gap:10px}.cc-name{font-size:13px}}

/* ===== Category page — style matches china-artificial-grass.com ===== */
/* 左右布局：左侧分类导航 + 右侧产品网格 */
.catalog-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}

/* 左侧 category-panel */
.category-panel{background:#fff;border:1px solid rgba(20,16,15,.1);border-radius:14px;padding:18px 16px;position:sticky;top:90px}
.cp-title{font-size:13px;font-weight:800;letter-spacing:.12em;color:#111;margin-bottom:12px}
.cp-search{display:flex;align-items:center;gap:8px;background:#f5f5f5;border-radius:8px;padding:8px 12px;margin-bottom:12px}
.cp-search i{color:#999;font-size:.8rem}
.cp-search input{border:none;background:none;outline:none;font-size:.85rem;width:100%;color:#333}
.cp-tags{display:flex;gap:8px;margin-bottom:14px}
.cp-tag{font-size:11px;font-weight:700;color:var(--green);background:rgba(34,115,34,.08);padding:4px 10px;border-radius:999px;cursor:pointer}
.category-nav{display:flex;flex-direction:column;max-height:520px;overflow-y:auto}
.category-nav .cat-item{display:flex;align-items:center;gap:10px;padding:11px 12px;font-size:14.1px;font-weight:500;color:rgb(45,41,38);text-decoration:none;border-radius:8px;transition:background .2s}
.category-nav .cat-item .cat-icon{width:6px;height:6px;border-radius:50%;background:rgb(154,148,141);flex-shrink:0;display:block}
.category-nav .cat-item .cat-name{flex:1}
.category-nav .cat-item:hover{background:#f5f5f5}
.category-nav .cat-item.active{background:var(--green);color:#fff}
.category-nav .cat-item.active .cat-icon{background:#fff}
.category-nav .cat-item.active .count{background:rgba(255,255,255,.22);color:#fff}
.category-nav .count{font-size:11.5px;font-weight:600;color:rgb(122,117,112);background:rgb(236,228,216);padding:2px 8px;border-radius:999px}

/* 右侧主内容 */
.cat-toolbar{margin-bottom:1.2rem}
.cat-toolbar-info h2{font-size:1.4rem;font-weight:700;color:#111;margin-bottom:.2rem}
.cat-toolbar-info p{font-size:.88rem;color:#999}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}

/* 分页按钮 */
.pg-btn{min-width:38px;height:38px;padding:0 .6rem;border:1px solid var(--line,#e2e8e6);background:#fff;color:var(--ink);border-radius:6px;cursor:pointer;font-size:.9rem;transition:.2s}
.pg-btn:hover:not(:disabled):not(.active){border-color:var(--green);color:var(--green)}
.pg-btn.active{background:var(--green);color:#fff;border-color:var(--green)}
.pg-btn:disabled{opacity:.4;cursor:not-allowed}
.pg-ellipsis{align-self:center;color:var(--muted);padding:0 .2rem}

/* 产品卡片：白底+圆角+细边框，方形图，hover时左下角显示 View Details */
.cat-product-card{display:block;background:#fff;border-radius:14px;border:1px solid rgba(20,16,15,.1);overflow:hidden;text-decoration:none;transition:box-shadow .25s}
.cat-product-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.1)}
.cpc-img{position:relative;aspect-ratio:1;overflow:hidden}
.cpc-img img{width:100%;height:100%;object-fit:cover;display:block}
.cpc-view{position:absolute;bottom:12px;left:12px;background:rgba(255,255,255,.96);color:rgb(20,16,15);font-size:11.8px;font-weight:700;padding:11px 18px;border-radius:6px;opacity:0;transition:.25s;white-space:nowrap}
.cat-product-card:hover .cpc-view{opacity:1}
.cpc-body{padding:12px 14px}
.cpc-name{font-size:15.2px;font-weight:600;color:rgb(20,16,15);line-height:1.35;margin-bottom:6px}
.cpc-specs{display:flex;gap:10px;flex-wrap:wrap}
.cpc-specs span{font-size:12px;color:#7a7570;background:#f5f5f5;padding:2px 8px;border-radius:4px}
/* 参考站风格：价格与起订量 */
.cpc-price-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cpc-price{font-size:15px;font-weight:700;color:rgb(20,16,15)}
.cpc-moq{font-size:11.7px;color:#7a7570}

/* 配件图标卡片 */
.cpc-icon{display:flex;align-items:center;justify-content:center;background:var(--bg-soft);aspect-ratio:1}
.cpc-icon i{font-size:3rem;color:var(--green)}

@media(max-width:820px){
  .catalog-layout{grid-template-columns:1fr}
  .category-panel{position:static;padding:12px 14px}
  .category-nav{max-height:300px}
  .cat-grid{grid-template-columns:repeat(3,1fr);gap:10px}
  .cpc-name{font-size:13px}
  /* 手机端 PRODUCTS 分类面板可折叠 */
  #cp-toggle{cursor:pointer;display:flex;align-items:center;justify-content:space-between;user-select:none;margin-bottom:0}
  .cp-caret{transition:transform .25s;color:#999;font-size:.8rem}
  .cp-body.cp-collapsible{overflow:hidden;transition:max-height .3s ease}
  .cp-body.cp-closed{max-height:0;display:none}
  .cp-body.cp-open{max-height:600px;display:block;margin-top:12px}
}
@media(max-width:480px){
  .cat-grid{grid-template-columns:1fr 1fr;gap:8px}
  .cpc-view{padding:7px 12px}
}