/* ===== 凯丽硕国际贸易（上海）有限公司 · 官网样式（ADEKA 风格：白底极简企业风） ===== */
:root{
  --green-900:#0d3b2b; --green-800:#14503a; --green-700:#1a6448;
  --green-600:#1f7a56; --green-500:#2a9168; --green-400:#52b48c;
  --green-50:#f0f7f3; --green-100:#dcefe4;
  --accent:#2a9168;
  --ink:#222; --body:#444; --muted:#777; --line:#e4e6e5;
  --bg:#fff; --bg-soft:#f6f7f7;
  --radius:3px; --maxw:1180px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.85;font-size:15.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:76px 0}
h1,h2,h3,h4{line-height:1.4;color:var(--ink);font-weight:700}

/* 区块标题：左对齐 + 英文眉题 + 细下划线（ADEKA 式） */
.sec-head{margin:0 0 44px}
.sec-head .eyebrow{color:var(--green-600);font-weight:700;letter-spacing:.22em;font-size:.74rem;text-transform:uppercase}
.sec-head h2{font-size:1.75rem;margin:8px 0 16px;letter-spacing:.04em}
.sec-head h2::after{content:"";display:block;width:44px;height:3px;background:var(--green-600);margin-top:16px}
.sec-head p{color:var(--muted);max-width:720px}

/* 按钮：直角、含箭头的日系企业风 */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 30px;border-radius:2px;font-weight:600;font-size:.92rem;border:1px solid transparent;transition:.2s;cursor:pointer;letter-spacing:.06em}
.btn::after{content:"→";font-weight:400;transition:.2s}
.btn:hover::after{transform:translateX(4px)}
.btn-primary{background:var(--green-700);color:#fff}
.btn-primary:hover{background:var(--green-800)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-outline{border-color:var(--green-700);color:var(--green-700)}
.btn-outline:hover{background:var(--green-50)}

/* ===== Header：白底细线 ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:40px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.2}
.brand .bt b{font-size:.96rem;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.brand .bt span{font-size:.66rem;color:var(--muted);letter-spacing:.2em}
.nav-links{display:flex;gap:2px;align-items:center}
.nav-links a{padding:28px 16px;font-weight:500;color:var(--ink);font-size:.92rem;transition:.15s;position:relative;letter-spacing:.04em}
.nav-links a::after{content:"";position:absolute;left:16px;right:16px;bottom:18px;height:2px;background:var(--green-600);transform:scaleX(0);transition:.2s}
.nav-links a:hover{color:var(--green-700)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--green-700);font-weight:700}
.nav-cta{margin-left:14px;padding:11px 22px !important}
.nav-cta::after{bottom:auto !important;display:none}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ===== Hero：全屏图片轮播 + 大标语（ADEKA 式） ===== */
.hero2{position:relative;height:560px;overflow:hidden;padding:0;display:flex;align-items:center}
.hero-slides{position:absolute;inset:0}
.hero-slides .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease;transform:scale(1.04)}
.hero-slides .slide.active{opacity:1;transform:scale(1);transition:opacity 1.4s ease,transform 7s linear}
.hero2::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,30,22,.62) 0%,rgba(10,30,22,.38) 45%,rgba(10,30,22,.08) 100%)}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-inner .tag-en{color:rgba(255,255,255,.85);letter-spacing:.32em;font-size:.76rem;font-weight:600;margin-bottom:18px}
.hero-inner h1{color:#fff;font-size:2.9rem;letter-spacing:.06em;line-height:1.45;text-shadow:0 2px 18px rgba(0,0,0,.25)}
.hero-inner .hero-sub{color:rgba(255,255,255,.9);margin:20px 0 34px;font-size:1.02rem;letter-spacing:.04em}
.hero-dots{position:absolute;z-index:3;bottom:28px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.hero-dots button{width:34px;height:3px;border:0;background:rgba(255,255,255,.4);cursor:pointer;transition:.2s;padding:0}
.hero-dots button.on{background:#fff}

/* 数据条 */
.stats-strip{border-bottom:1px solid var(--line);background:#fff}
.stats-strip .inner{display:flex;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.stats-strip .s{flex:1;text-align:center;padding:26px 10px;border-left:1px solid var(--line)}
.stats-strip .s:first-child{border-left:0}
.stats-strip .s b{display:block;font-size:1.7rem;color:var(--green-700);line-height:1.2;letter-spacing:.02em}
.stats-strip .s span{font-size:.8rem;color:var(--muted);letter-spacing:.08em}

/* ===== 公司动态 News ===== */
.news-list{list-style:none;border-top:1px solid var(--line)}
.news-list li{display:flex;align-items:baseline;gap:22px;padding:20px 6px;border-bottom:1px solid var(--line);transition:.15s}
.news-list li:hover{background:var(--bg-soft)}
.news-list .nd{font-size:.86rem;color:var(--muted);letter-spacing:.08em;flex:0 0 70px}
.news-list .ntag{flex:0 0 auto;font-size:.72rem;color:var(--green-700);border:1px solid var(--green-400);padding:2px 12px;letter-spacing:.1em}
.news-list .nt{color:var(--ink);font-size:.95rem}

/* ===== 产品分类卡：白底细线 ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cat-card{background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 30px;transition:.2s;position:relative}
.cat-card:hover{background:var(--green-50)}
.cat-card::after{content:"→";position:absolute;right:24px;bottom:18px;color:var(--green-600);transition:.2s;font-size:.95rem}
.cat-card:hover::after{transform:translateX(5px)}
.cat-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--green-600);border:1px solid var(--green-100);border-radius:50%}
.cat-icon svg{width:24px;height:24px}
.cat-card h3{font-size:1.1rem;margin-bottom:8px;letter-spacing:.04em}
.cat-card p{color:var(--muted);font-size:.88rem}
.cat-card .more{display:none}

/* ===== Why：极简数字块 ===== */
.bg-soft{background:var(--bg-soft)}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why{background:#fff;border:1px solid var(--line);padding:30px 24px;text-align:left}
.why .n{font-size:1.7rem;font-weight:800;color:var(--green-600);letter-spacing:.02em}
.why .n::after{content:"";display:block;width:28px;height:2px;background:var(--green-400);margin:12px 0 14px}
.why h4{margin:0 0 8px;font-size:1rem;letter-spacing:.04em}
.why p{color:var(--muted);font-size:.86rem}

/* ===== 图文左右排 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split img{border-radius:var(--radius);width:100%;height:400px;object-fit:cover}
.split h2{font-size:1.7rem;margin-bottom:20px;letter-spacing:.04em}
.split h2::after{content:"";display:block;width:44px;height:3px;background:var(--green-600);margin-top:16px}
.split p{color:var(--body);margin-bottom:14px;font-size:.95rem}
.tick{list-style:none;display:grid;gap:11px;margin-top:10px}
.tick li{display:flex;gap:12px;align-items:flex-start;color:var(--ink);font-size:.93rem}
.tick li svg{flex:0 0 20px;width:20px;height:20px;color:var(--green-500);margin-top:4px}

/* ===== 内页标题区：白底 + 面包屑 + 左侧色条 ===== */
.page-head{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:54px 0 46px}
.page-head h1{color:var(--ink);font-size:1.9rem;letter-spacing:.06em;padding-left:18px;border-left:4px solid var(--green-600)}
.page-head p{color:var(--muted);margin-top:14px;max-width:680px;font-size:.94rem}
.crumbs{font-size:.8rem;color:var(--muted);margin-bottom:18px;letter-spacing:.05em}
.crumbs a:hover{color:var(--green-700)}

/* ===== 产品中心 ===== */
.filter-group{display:flex;align-items:flex-start;gap:18px;margin-bottom:16px}
.filter-group:last-of-type{margin-bottom:38px;border-bottom:1px solid var(--line);padding-bottom:24px}
.fg-label{flex:0 0 76px;font-size:.84rem;font-weight:700;color:var(--ink);letter-spacing:.1em;padding-top:10px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filter{padding:9px 22px;border:1px solid var(--line);background:#fff;color:var(--body);font-weight:500;font-size:.88rem;cursor:pointer;transition:.18s;border-radius:2px;letter-spacing:.04em}
.filter:hover{border-color:var(--green-500);color:var(--green-700)}
.filter.active{background:var(--green-700);border-color:var(--green-700);color:#fff}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s;cursor:pointer}
.prod-card:hover{border-color:var(--green-500);box-shadow:0 8px 28px rgba(20,80,58,.08)}
.prod-vis{height:108px;background:var(--green-50);display:flex;align-items:center;justify-content:center;position:relative;border-bottom:1px solid var(--line)}
.prod-vis .code{font-size:1.5rem;font-weight:800;color:var(--green-700);letter-spacing:.06em}
.prod-vis .cat-tag{position:absolute;top:12px;left:12px;background:#fff;border:1px solid var(--green-100);color:var(--green-700);font-size:.68rem;padding:2px 10px;letter-spacing:.06em}
.prod-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.prod-body h3{font-size:1.1rem;margin-bottom:4px;letter-spacing:.04em}
.prod-body .sub{color:var(--muted);font-size:.86rem;min-height:38px}
.prod-body .comp{font-size:.8rem;color:var(--green-700);margin-top:8px}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.badge-std{font-size:.7rem;background:#fff;color:var(--green-700);border:1px solid var(--green-100);padding:2px 9px;font-weight:600;letter-spacing:.04em}
.prod-body .view{margin-top:auto;padding-top:14px;color:var(--green-600);font-weight:600;font-size:.84rem;letter-spacing:.06em}
.empty{text-align:center;color:var(--muted);padding:60px 0;grid-column:1/-1}

/* ===== 产品详情 ===== */
.detail-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:46px;align-items:start}
.detail-vis{background:var(--green-50);border:1px solid var(--green-100);border-radius:var(--radius);min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--green-800);padding:40px}
.detail-vis .big{font-size:2.5rem;font-weight:800;letter-spacing:.06em;color:var(--green-700)}
.detail-vis .ct{margin-top:8px;color:var(--muted);letter-spacing:.08em;font-size:.9rem}
.detail h1{font-size:1.9rem;letter-spacing:.04em}
.detail .sub{color:var(--muted);font-size:1rem;margin:6px 0 18px}
.spec-table{width:100%;border-collapse:collapse;margin:8px 0 22px}
.spec-table th,.spec-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);font-size:.92rem}
.spec-table th{color:var(--muted);font-weight:600;width:42%;background:var(--bg-soft)}
.block-title{font-size:1rem;color:var(--ink);margin:26px 0 14px;padding-left:12px;border-left:3px solid var(--green-600);letter-spacing:.06em}
.feat-list{list-style:none;display:grid;gap:9px}
.feat-list li{display:flex;gap:10px;align-items:flex-start;color:var(--body);font-size:.93rem}
.feat-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;background:var(--green-500);margin-top:11px}
.kv{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.kv .item{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;flex:1;min-width:160px}
.kv .item span{font-size:.76rem;color:var(--muted);display:block;letter-spacing:.06em}
.kv .item b{color:var(--ink);font-size:.92rem}
.note-box{background:var(--green-50);border:1px solid var(--green-100);padding:13px 18px;margin-top:18px;font-size:.88rem;color:var(--green-800)}

/* ===== 代理品牌 ===== */
.agency-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.agency-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;position:relative;transition:.2s}
.agency-card:hover{border-color:var(--green-500)}
.agency-card::before{content:"";position:absolute;left:-1px;top:-1px;bottom:-1px;width:4px;background:var(--green-600)}
.agency-card .brand-name{font-size:1.25rem;font-weight:800;color:var(--ink);letter-spacing:.04em}
.agency-card .brand-en{font-size:.76rem;color:var(--muted);letter-spacing:.14em;margin-bottom:14px}
.agency-card p{color:var(--body);font-size:.9rem}
.agency-card .lines{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.agency-band{background:var(--green-50);border:1px solid var(--green-100);padding:16px 24px;margin-bottom:34px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:.92rem}
.agency-band b{color:var(--green-800)}

/* ===== 资质认证 ===== */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.cert:hover{border-color:var(--green-400)}
.cert img{width:100%;height:290px;object-fit:contain;background:var(--bg-soft);padding:14px}
.cert .cap{padding:16px 20px;border-top:1px solid var(--line)}
.cert .cap b{display:block;color:var(--ink);font-size:.95rem}
.cert .cap span{color:var(--muted);font-size:.82rem}
.std-row{display:flex;flex-wrap:wrap;gap:10px}
.std-chip{background:#fff;border:1px solid var(--line);padding:10px 24px;font-weight:700;color:var(--green-700);font-size:.9rem;letter-spacing:.06em}

/* ===== 相册 ===== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery img{height:175px;width:100%;object-fit:cover;border-radius:var(--radius);transition:.25s;filter:saturate(.95)}
.gallery img:hover{filter:saturate(1.1);opacity:.92}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:42px}
.office{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.office .tag{display:inline-block;border:1px solid var(--green-400);color:var(--green-700);font-weight:700;font-size:.72rem;padding:3px 14px;margin-bottom:16px;letter-spacing:.1em}
.office h3{font-size:1.08rem;margin-bottom:14px;letter-spacing:.03em}
.office .line{display:flex;gap:10px;align-items:flex-start;color:var(--body);font-size:.88rem;margin-bottom:10px}
.office .line svg{flex:0 0 17px;width:17px;height:17px;color:var(--green-600);margin-top:4px}
.office .line a:hover{color:var(--green-700)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;max-width:760px;margin:0 auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.86rem;margin-bottom:7px;color:var(--ink);letter-spacing:.04em}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:2px;font-family:inherit;font-size:.93rem;transition:.15s;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--green-500)}
.field textarea{resize:vertical;min-height:120px}

/* ===== CTA：浅灰平铺带 ===== */
.cta-band{background:var(--bg-soft);border:1px solid var(--line);padding:56px;text-align:center}
.cta-band h2{color:var(--ink);font-size:1.7rem;margin-bottom:12px;letter-spacing:.04em}
.cta-band p{color:var(--muted);margin-bottom:28px}

/* ===== Footer：浅色多栏（ADEKA 式） ===== */
.site-footer{background:var(--bg-soft);border-top:3px solid var(--green-700);color:var(--body);padding:58px 0 26px;font-size:.88rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
.foot-grid h4{color:var(--ink);font-size:.92rem;margin-bottom:16px;letter-spacing:.1em;padding-bottom:10px;border-bottom:1px solid var(--line)}
.foot-grid a{color:var(--muted);display:block;padding:4px 0;font-size:.86rem;transition:.15s}
.foot-grid a:hover{color:var(--green-700)}
.foot-brand img{height:40px;margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:.84rem}
.foot-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.8rem;letter-spacing:.04em}
.foot-bottom a:hover{color:var(--green-700)}

/* ===== 响应式 ===== */
@media(max-width:980px){
  .hero-inner h1{font-size:2.2rem}
  .split,.detail-grid,.agency-grid{grid-template-columns:1fr}
  .cat-grid,.prod-grid,.cert-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .stats-strip .inner{flex-wrap:wrap}
  .stats-strip .s{flex:1 1 50%;border-left:0;border-top:1px solid var(--line)}
}
@media(max-width:680px){
  section{padding:54px 0}
  .nav-links{position:fixed;top:78px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px 14px 16px;gap:0;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.25s;z-index:40}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 10px;border-bottom:1px solid var(--bg-soft)}
  .nav-links a::after{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .brand img{height:33px}
  .brand .bt b{font-size:.82rem}
  .brand .bt span{font-size:.6rem}
  .hero2{height:480px}
  .hero-inner h1{font-size:1.7rem}
  .cat-grid,.prod-grid,.cert-grid,.why-grid,.form-row{grid-template-columns:1fr}
  .cta-band{padding:38px 22px}
  .foot-grid{grid-template-columns:1fr}
  .news-list li{flex-wrap:wrap;gap:10px}
}