/* ===== 椰风老爸精酿啤酒 - 椰风橙 #FC6701 + 金色 主题 ===== */
:root{
  --orange:#FC6701;          /* 主色 椰风橙 */
  --orange-dark:#E05600;
  --orange-light:#FF8533;
  --gold:#D4A547;            /* 金色点缀 */
  --gold-light:#E8C778;
  --cream:#FFF8F0;           /* 椰奶白 */
  --dark:#1A1410;            /* 深棕黑 */
  --dark-2:#2A2018;
  --gray:#6B5D52;
  --gray-light:#F5EFE8;
  --line:#E8DCCB;
  --white:#FFFFFF;
  --shadow:0 10px 40px rgba(26,20,16,.12);
  --shadow-hover:0 16px 50px rgba(252,103,1,.18);
  --radius:14px;
  --maxw:1200px;
  --t:.35s cubic-bezier(.4,0,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--dark);
  background:var(--white);
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== 通用区块 ===== */
.section{padding:100px 0;position:relative}
.section-tint{background:var(--gray-light)}
.section-dark{background:linear-gradient(160deg,#1A1410 0%,#2A2018 100%);color:var(--cream)}
.section-grad{background:linear-gradient(160deg,var(--orange) 0%,var(--orange-dark) 100%);color:#fff}

.section-head{margin-bottom:56px}
.section-head.center{text-align:center}
.section-en{font-size:13px;letter-spacing:3px;color:var(--gold);text-transform:uppercase;font-weight:600;margin-bottom:8px}
.section-dark .section-en,.section-grad .section-en{color:var(--gold-light)}
.section-title{font-size:38px;font-weight:800;letter-spacing:2px;color:var(--dark)}
.section-dark .section-title,.section-grad .section-title{color:#fff}
.section-head.light .section-title{color:#fff}
.section-line{display:block;width:60px;height:4px;background:var(--orange);margin:18px auto 0;border-radius:2px}
.section-grad .section-line{background:#fff}
.block-title{font-size:26px;font-weight:800;text-align:center;margin:60px 0 16px;color:var(--dark);position:relative}
.block-title::after{content:"";display:block;width:40px;height:3px;background:var(--gold);margin:12px auto 0;border-radius:2px}
.block-desc{font-size:16px;color:var(--gray);text-align:center;max-width:820px;margin:0 auto;line-height:1.9}
.block-desc.center{margin-left:auto;margin-right:auto}
.section-grad .block-desc{color:rgba(255,255,255,.9)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 36px;border-radius:40px;font-size:15px;font-weight:600;letter-spacing:1px;transition:var(--t);cursor:pointer;border:none}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 24px rgba(252,103,1,.35)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 12px 30px rgba(252,103,1,.45)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ===== 导航 ===== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;transition:var(--t);background:transparent}
.navbar.scrolled{background:rgba(26,20,16,.92);backdrop-filter:blur(12px);box-shadow:0 4px 20px rgba(0,0,0,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;flex-direction:column;line-height:1.1}
.brand-cn{font-size:20px;font-weight:800;color:#fff;letter-spacing:2px}
.brand-en{font-size:10px;color:var(--gold);letter-spacing:3px;font-weight:600}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{color:rgba(255,255,255,.85);font-size:14px;padding:8px 14px;border-radius:6px;transition:var(--t);font-weight:500}
.nav-link:hover{color:#fff;background:rgba(252,103,1,.25)}
.nav-cta{background:var(--orange);color:#fff!important;padding:8px 22px;border-radius:30px;margin-left:8px}
.nav-cta:hover{background:var(--orange-dark)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:var(--t)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;height:100vh;min-height:640px;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,20,16,.55) 0%,rgba(26,20,16,.65) 60%,rgba(26,20,16,.85) 100%)}
.hero-content{position:relative;z-index:2;color:#fff;text-align:left;max-width:760px}
.hero-tag{display:inline-block;font-size:14px;letter-spacing:4px;color:var(--gold-light);border:1px solid var(--gold);padding:6px 18px;border-radius:20px;margin-bottom:24px}
.hero-title{font-size:72px;font-weight:900;letter-spacing:6px;line-height:1.1;text-shadow:0 4px 30px rgba(0,0,0,.4);background:linear-gradient(120deg,#fff 30%,var(--gold-light) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:22px;color:var(--gold-light);letter-spacing:4px;margin:18px 0 12px;font-weight:500}
.hero-desc{font-size:16px;color:rgba(255,255,255,.85);line-height:2;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:3}
.mouse{display:block;width:26px;height:42px;border:2px solid rgba(255,255,255,.6);border-radius:14px;position:relative}
.wheel{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:4px;height:8px;background:var(--gold);border-radius:2px;animation:wheel 1.6s infinite}
@keyframes wheel{0%{opacity:1;top:8px}100%{opacity:0;top:22px}}

/* ===== 品牌定位 ===== */
.positioning-card{position:relative;border-radius:var(--radius);overflow:hidden;height:360px;display:flex;align-items:center;justify-content:center;margin-bottom:48px;box-shadow:var(--shadow)}
.positioning-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.positioning-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(252,103,1,.85) 0%,rgba(26,20,16,.7) 100%)}
.positioning-text{position:relative;z-index:2;text-align:center;color:#fff}
.positioning-text h3{font-size:44px;font-weight:900;letter-spacing:4px;margin-bottom:12px}
.pos-main{font-size:24px;font-weight:600;letter-spacing:2px;margin-bottom:10px}
.pos-tags{font-size:16px;letter-spacing:3px;color:var(--gold-light)}

.strategy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.strategy-item{background:#fff;padding:36px 28px;border-radius:var(--radius);box-shadow:var(--shadow);border-top:4px solid var(--orange);transition:var(--t)}
.strategy-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.strategy-icon{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--gold));color:#fff;font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.strategy-item h4{font-size:20px;font-weight:700;margin-bottom:10px}
.strategy-item p{color:var(--gray);font-size:14px;line-height:1.8}

/* ===== 数字椰风 ===== */
.numbers-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.number-item{position:relative;border-radius:var(--radius);overflow:hidden;height:280px;display:flex;align-items:flex-end}
.num-img{position:absolute;inset:0;background-size:cover;background-position:center;transition:var(--t)}
.number-item:hover .num-img{transform:scale(1.08)}
.number-item::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,20,16,.2) 0%,rgba(26,20,16,.9) 100%);z-index:1}
.num-val{position:relative;z-index:2;color:#fff;padding:24px;width:100%}
.num-val span{font-size:52px;font-weight:900;color:var(--orange-light);line-height:1}
.num-val em{font-size:20px;color:var(--gold-light);font-style:normal;margin-left:4px;font-weight:600}
.num-label{font-size:14px;color:rgba(255,255,255,.9);margin-top:6px;letter-spacing:1px}

/* ===== 发展历程 ===== */
.history-intro{text-align:center;max-width:820px;margin:0 auto 48px;color:var(--gray);font-size:16px;line-height:1.9}
.timeline{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:24px 60px}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--orange),var(--gold));transform:translateX(-50%)}
.tl-item{display:flex;gap:20px;align-items:center}
.tl-item:nth-child(odd){flex-direction:row-reverse;text-align:right}
.tl-item:nth-child(odd){justify-content:flex-start}
.tl-item:nth-child(even){justify-content:flex-end}
.tl-year{flex-shrink:0;width:90px;height:90px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--orange-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;box-shadow:0 8px 24px rgba(252,103,1,.35);z-index:2;position:relative}
.tl-card{background:#fff;padding:16px 22px;border-radius:10px;box-shadow:var(--shadow);flex:1;max-width:340px;border-left:3px solid var(--gold)}
.tl-item:nth-child(odd) .tl-card{border-left:none;border-right:3px solid var(--gold)}
.tl-card h4{font-size:16px;color:var(--orange);margin-bottom:4px}
.tl-card p{font-size:14px;color:var(--gray)}

/* ===== 五力竞争 ===== */
.forces-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.force-item{background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);padding:32px 20px;text-align:center;transition:var(--t)}
.force-item:hover{background:rgba(255,255,255,.22);transform:translateY(-6px)}
.force-num{font-size:32px;font-weight:900;color:var(--gold-light);margin-bottom:10px}
.force-item h4{font-size:20px;font-weight:700;margin-bottom:8px}
.force-item p{font-size:13px;color:rgba(255,255,255,.9);line-height:1.7}

/* ===== 实力工厂 ===== */
.factory-block{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;margin-bottom:60px}
.factory-block.reverse{grid-template-columns:1fr 1.1fr}
.factory-block.reverse .factory-text{order:2}
.factory-text h3{font-size:28px;font-weight:800;margin-bottom:14px;color:var(--dark)}
.factory-text p{color:var(--gray);font-size:15px;line-height:1.9;margin-bottom:20px}
.factory-img{height:380px;border-radius:var(--radius);background-size:cover;background-position:center;box-shadow:var(--shadow)}

.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
.cert-item{display:flex;flex-direction:column;align-items:center;gap:8px}
.cert-item img{width:100%;height:90px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.cert-item span{font-size:12px;color:var(--gray);text-align:center}

.factory-banner{position:relative;height:280px;border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:60px;background-size:cover;background-position:center}
.factory-banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(252,103,1,.88),rgba(26,20,16,.75))}
.factory-banner-text{position:relative;z-index:2;text-align:center;color:#fff}
.factory-banner-text h3{font-size:32px;font-weight:800;letter-spacing:2px;margin-bottom:10px}
.factory-banner-text p{font-size:16px;color:var(--gold-light);letter-spacing:1px}

.no-list{list-style:none}
.no-list li{padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--dark)}
.no-list li strong{color:var(--orange);font-weight:700}

.prod-line-wrap{margin-top:30px}
.prod-line-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0}
.pl-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--t)}
.pl-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.pl-img{height:220px;background-size:cover;background-position:center}
.pl-card h4{font-size:18px;font-weight:700;padding:16px 20px 4px}
.pl-card p{padding:0 20px 20px;color:var(--gray);font-size:14px;line-height:1.7}
.tank-list{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:20px;background:var(--gray-light);border-radius:var(--radius)}
.tank-list span{background:#fff;padding:8px 16px;border-radius:20px;font-size:13px;color:var(--dark);border:1px solid var(--line);font-weight:500}

.quality-wrap{margin-top:50px}
.quality-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.q-item{background:linear-gradient(160deg,#fff,var(--cream));border:2px solid var(--line);border-radius:var(--radius);padding:28px 20px;text-align:center;transition:var(--t)}
.q-item:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow)}
.q-item h4{font-size:24px;font-weight:800;color:var(--orange);letter-spacing:2px;margin-bottom:6px}
.q-item p{font-size:15px;font-weight:600;color:var(--dark);margin-bottom:6px}
.q-item span{font-size:13px;color:var(--gray)}

/* ===== 团队 ===== */
.team-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:20px}
.ts-item{background:#fff;border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow);border-bottom:4px solid var(--orange)}
.ts-item strong{display:block;font-size:42px;font-weight:900;color:var(--orange);line-height:1}
.ts-item span{font-size:14px;color:var(--gray);margin-top:6px;display:block}
.team-slogan{text-align:center;font-size:22px;font-weight:700;color:var(--gold);letter-spacing:4px;margin:24px 0 30px}

.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:40px}
.team-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--t);text-align:center}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.team-photo{height:240px;background-size:cover;background-position:center top;background-color:var(--gray-light)}
.team-card h4{font-size:18px;font-weight:700;padding:16px 12px 4px}
.t-role{font-size:14px;color:var(--orange);font-weight:600;padding:0 12px}
.t-years{font-size:13px;color:var(--gray);padding:0 12px 18px}

.partner-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.partner-list span{background:#fff;border:2px solid var(--line);padding:10px 20px;border-radius:30px;font-size:14px;color:var(--dark);transition:var(--t)}
.partner-list span:hover{border-color:var(--orange);color:var(--orange)}

/* ===== 产品中心 ===== */
.product-tabs{display:flex;justify-content:center;gap:12px;margin:30px 0 40px;flex-wrap:wrap}
.ptab{padding:10px 26px;border:1.5px solid var(--line);background:#fff;border-radius:30px;font-size:14px;color:var(--gray);cursor:pointer;transition:var(--t);font-weight:500}
.ptab:hover{border-color:var(--orange);color:var(--orange)}
.ptab.active{background:var(--orange);color:#fff;border-color:var(--orange)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--t)}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.product-card.hide{display:none}
.product-img{height:240px;background-size:cover;background-position:center;background-color:var(--gray-light)}
.product-info{padding:18px 20px}
.product-info h4{font-size:17px;font-weight:700;margin-bottom:6px}
.product-info p{font-size:13px;color:var(--gray);line-height:1.6}

/* ===== 定制服务 ===== */
.custom-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:30px 0}
.custom-card{background:rgba(255,255,255,.14);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);padding:32px 24px;transition:var(--t)}
.custom-card:hover{background:rgba(255,255,255,.24);transform:translateY(-6px)}
.custom-no{font-size:36px;font-weight:900;color:var(--gold-light);margin-bottom:10px}
.custom-card h4{font-size:20px;font-weight:700;margin-bottom:10px}
.custom-card p{font-size:14px;color:rgba(255,255,255,.9);line-height:1.7}
.custom-moq{background:rgba(26,20,16,.3);border-radius:var(--radius);padding:36px;margin-top:30px}
.custom-moq h4{font-size:22px;font-weight:700;text-align:center;margin-bottom:24px;color:#fff}
.moq-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.moq-item{text-align:center;padding:20px;background:rgba(255,255,255,.1);border-radius:12px}
.moq-item strong{display:block;font-size:22px;color:var(--gold-light);margin-bottom:6px}
.moq-item span{font-size:13px;color:rgba(255,255,255,.85)}

/* ===== 品牌文化 ===== */
.culture-tagline{text-align:center;font-size:30px;font-weight:800;color:var(--orange);letter-spacing:8px;margin-bottom:40px}
.culture-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.culture-item{background:#fff;border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow);border-left:4px solid var(--gold);transition:var(--t)}
.culture-item:hover{transform:translateX(6px);box-shadow:var(--shadow-hover)}
.culture-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.c-icon{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--gold));color:#fff;font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:center}
.culture-head h4{font-size:22px;font-weight:800}
.c-sub{font-size:15px;color:var(--orange);font-weight:600;margin-bottom:10px;letter-spacing:1px}
.culture-item p{color:var(--gray);font-size:14px;line-height:1.9}

.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.matrix-item{background:linear-gradient(160deg,var(--dark),var(--dark-2));color:#fff;border-radius:var(--radius);padding:32px 20px;text-align:center;border-top:3px solid var(--gold);transition:var(--t)}
.matrix-item:hover{transform:translateY(-6px);border-top-color:var(--orange)}
.matrix-item h4{font-size:20px;font-weight:700;margin-bottom:6px}
.matrix-item p{font-size:12px;color:var(--gold-light);letter-spacing:2px}

/* ===== 客户寄语 ===== */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:#fff;border-radius:var(--radius);padding:36px 30px;box-shadow:var(--shadow);position:relative;text-align:center;border-top:4px solid var(--orange)}
.testimonial-card::before{content:"\201C";font-size:60px;color:var(--gold);opacity:.4;position:absolute;top:10px;left:20px;line-height:1;font-family:Georgia,serif}
.t-quote{font-size:18px;font-weight:600;color:var(--dark);line-height:1.8;margin-bottom:14px;letter-spacing:1px}
.t-from{font-size:14px;color:var(--orange);font-weight:600}

/* ===== Footer ===== */
.footer{background:linear-gradient(160deg,#1A1410,#000);color:rgba(255,255,255,.8);padding:70px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand h3{font-size:24px;font-weight:800;color:#fff;letter-spacing:2px;margin-bottom:6px}
.footer-en{font-size:12px;color:var(--gold);letter-spacing:3px;margin-bottom:16px}
.footer-slogan{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col a{display:block;color:rgba(255,255,255,.7);font-size:14px;padding:5px 0;transition:var(--t)}
.footer-col a:hover{color:var(--orange);padding-left:6px}
.footer-contact p{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:8px;line-height:1.7}
.footer-social{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.social-btn{background:rgba(252,103,1,.2);border:1px solid rgba(252,103,1,.4);color:var(--orange-light);padding:6px 14px;border-radius:20px;font-size:12px;transition:var(--t)}
.social-btn:hover{background:var(--orange);color:#fff}
.footer-bottom{padding:24px 0;text-align:center}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:4px}
.footer-note{color:var(--gold)!important;letter-spacing:1px}
.footer-icp{margin-top:6px}
.footer-icp a{color:rgba(255,255,255,.6);transition:var(--t)}
.footer-icp a:hover{color:var(--orange-light)}

/* ===== 返回顶部 ===== */
.back-top{position:fixed;right:30px;bottom:30px;width:48px;height:48px;border-radius:50%;background:var(--orange);color:#fff;border:none;font-size:22px;cursor:pointer;box-shadow:0 8px 24px rgba(252,103,1,.4);opacity:0;visibility:hidden;transition:var(--t);z-index:999}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--orange-dark);transform:translateY(-4px)}

/* ===== 滚动动画 ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .strategy-grid,.numbers-grid,.forces-grid,.team-grid,.product-grid,.custom-grid,.matrix-grid{grid-template-columns:repeat(2,1fr)}
  .factory-block,.factory-block.reverse{grid-template-columns:1fr}
  .factory-block.reverse .factory-text{order:1}
  .footer-top{grid-template-columns:1fr 1fr}
  .hero-title{font-size:54px}
  .section-title{font-size:32px}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .container{padding:0 18px}
  .nav-menu{position:fixed;top:72px;right:0;left:0;flex-direction:column;background:rgba(26,20,16,.97);padding:20px;gap:4px;transform:translateY(-150%);transition:var(--t);max-height:calc(100vh - 72px);overflow-y:auto}
  .nav-menu.open{transform:translateY(0)}
  .nav-toggle{display:flex}
  .hero{height:auto;min-height:560px;padding:120px 0 80px}
  .hero-content{text-align:center;margin:0 auto}
  .hero-title{font-size:42px;letter-spacing:3px}
  .hero-sub{font-size:18px}
  .hero-actions{justify-content:center}
  .section-title{font-size:26px}
  .positioning-card{height:280px}
  .positioning-text h3{font-size:30px}
  .strategy-grid,.numbers-grid,.forces-grid,.team-grid,.product-grid,.custom-grid,.matrix-grid,.quality-grid,.moq-list,.testimonial-grid,.cert-grid,.prod-line-cards{grid-template-columns:1fr}
  .team-stats{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr;gap:16px}
  .timeline::before{display:none}
  .tl-item,.tl-item:nth-child(odd){flex-direction:row;text-align:left;justify-content:flex-start}
  .tl-year{width:70px;height:70px;font-size:16px}
  .tl-item:nth-child(odd) .tl-card{border-right:none;border-left:3px solid var(--gold)}
  .factory-img,.product-img,.team-photo{height:200px}
  .culture-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .back-top{right:18px;bottom:18px;width:42px;height:42px}
}