:root{
  --c-primary: #0d9488;
  --c-primary-dark: #0d9488;
  --font: 'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
}
/* ===== HydroCore 恒流液压科技 · 液压系统 / 液压站 / 液压油缸 / 阀组 ===== */
/* 配色：深青 #0d9488 + 青 #06b6d4 + 深色区 #0f2b2e + 浅底 #f2fbfa，流体水感风格 */
:root{
  --c-primary:#0d9488;        /* 主色 深青 */
  --brand2:#06b6d4;       /* 辅色 青 */
  --dark:#0f2b2e;         /* 深色区背景 */
  --bg:#f2fbfa;           /* 浅色页面底 */
  --ink:#0b1f22;          /* 正文 */
  --muted:#4e7173;        /* 次要文字 */
  --line:#d3ebe8;         /* 描边 */
  --grad:linear-gradient(120deg,#0d9488,#06b6d4);
  --grad-soft:linear-gradient(120deg,rgba(13,148,136,.10),rgba(6,182,212,.12));
  --radius:22px;
  --shadow:0 12px 34px rgba(13,148,136,.10);
  --shadow-lg:0 26px 60px rgba(13,148,136,.18);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","Microsoft YaHei",system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none;transition:.2s}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;border:none;transition:.25s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(13,148,136,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(6,182,212,.42)}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.28)}
.btn-line{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn-line:hover{background:var(--brand);color:#fff}

/* ===== Section base ===== */
.sec{padding:92px 0}
.sec.tint{background:var(--bg)}
.sec-head{text-align:center;max-width:700px;margin:0 auto 54px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--brand);background:var(--grad-soft);padding:7px 18px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:36px;line-height:1.28;letter-spacing:-.5px}
.sec-head p{color:var(--muted);margin-top:14px;font-size:16px}

/* ===== Wave divider ===== */
.wave{line-height:0;display:block}
.wave svg{display:block;width:100%;height:80px}

/* ===== Header ===== */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:-.3px;color:var(--ink)}
.logo .cn{color:var(--brand)}
.logo .en{color:var(--brand2)}
.nav{display:flex;gap:4px}
.nav a{padding:10px 18px;border-radius:999px;font-weight:600;color:var(--muted)}
.nav a:hover{background:var(--grad-soft);color:var(--brand)}
.nav a.active{background:var(--grad);color:#fff}
.hdr .cta-mini{display:inline-flex}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:25px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ===== Hero ===== */
.hero{position:relative;color:#fff;overflow:hidden;background:#0f2b2e}
.hero .bg{position:absolute;inset:0;background:url("../img/hero.jpg") center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(120deg,rgba(13,148,136,.74),rgba(6,182,212,.46)),
  rgba(15,43,46,.58)}
.hero .wrap{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;padding:118px 24px 122px}
.hero .eyebrow{background:rgba(255,255,255,.16);color:#eafcfb;backdrop-filter:blur(4px)}
.hero h1{font-size:56px;line-height:1.12;letter-spacing:-1px;font-weight:800;text-shadow:0 2px 18px rgba(0,0,0,.25)}
.hero p{font-size:18.5px;color:rgba(255,255,255,.92);margin:24px 0 36px;max-width:700px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.hero-stats{display:flex;gap:54px;margin-top:52px;flex-wrap:wrap;justify-content:center}
.hero-stats .n{font-size:38px;font-weight:800;color:#fff}
.hero-stats .l{font-size:13.5px;color:rgba(255,255,255,.82);margin-top:2px}

/* ===== Trust strip ===== */
.strip{background:#fff;border-bottom:1px solid var(--line)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:center;align-items:center;padding:28px 24px;color:var(--muted);font-weight:600}
.strip b{color:var(--brand)}

/* ===== About preview ===== */
.about{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
.about .imgs{position:relative}
.about .imgs img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.about .imgs .exp{position:absolute;right:-20px;top:-20px;background:var(--grad);color:#fff;border-radius:18px;padding:20px 24px;text-align:center;box-shadow:var(--shadow-lg)}
.about .imgs .exp b{font-size:32px;display:block;line-height:1}
.about .imgs .exp span{font-size:12px;opacity:.92}
.about h2{font-size:34px;letter-spacing:-.5px;margin-bottom:8px}
.about .lead{color:var(--muted);font-size:16px;margin:14px 0 26px}
.feat-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:28px}
.feat-list .it{display:flex;gap:13px;align-items:flex-start}
.feat-list .ic{flex:0 0 42px;height:42px;border-radius:12px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center}
.feat-list b{font-size:15px}
.feat-list p{font-size:13px;color:var(--muted);margin-top:2px}

/* ===== Products grid ===== */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg)}
.pcard .ph{position:relative;overflow:hidden;aspect-ratio:16/11}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:.45s}
.pcard:hover .ph img{transform:scale(1.07)}
.pcard .tag{position:absolute;left:14px;top:14px;background:rgba(13,148,136,.92);color:#fff;font-size:12px;font-weight:600;padding:5px 13px;border-radius:999px}
.pcard .bd{padding:24px;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:19px;margin-bottom:9px}
.pcard p{font-size:14px;color:var(--muted);margin-bottom:18px}
.pcard .more{color:var(--brand);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.pcard .more:hover{gap:10px}

/* ===== Services / advantages ===== */
.serv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scard{background:#fff;border-radius:var(--radius);padding:32px 26px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.28s;text-align:left;position:relative;overflow:hidden}
.scard:hover{transform:translateY(-7px);border-color:var(--brand2)}
.scard .ic{width:58px;height:58px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;margin-bottom:18px}
.scard h3{font-size:18px;margin-bottom:9px}
.scard p{font-size:14px;color:var(--muted)}
.scard .num{position:absolute;right:18px;top:14px;font-size:14px;font-weight:800;color:var(--brand);opacity:.32}

/* ===== Stats band (dark) ===== */
.band{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px circle at 82% 28%,rgba(6,182,212,.20),transparent 60%),linear-gradient(120deg,rgba(13,148,136,.28),transparent 70%)}
.band .wrap{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:66px 24px;text-align:center}
.band .n{font-size:46px;font-weight:800}
.band .l{opacity:.84;margin-top:6px;font-size:15px}

/* ===== News ===== */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.ncard{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg)}
.ncard .ph{aspect-ratio:16/10;overflow:hidden}
.ncard .ph img{width:100%;height:100%;object-fit:cover;transition:.45s}
.ncard:hover .ph img{transform:scale(1.06)}
.ncard .bd{padding:24px;flex:1;display:flex;flex-direction:column}
.ncard .date{font-size:13px;color:var(--brand);font-weight:700;margin-bottom:10px}
.ncard h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.ncard p{font-size:14px;color:var(--muted)}

/* ===== CTA ===== */
.cta{padding:0 0 92px}
.cta .box{background:var(--grad);border-radius:28px;color:#fff;padding:62px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta .box::after{content:"";position:absolute;inset:0;background:radial-gradient(520px circle at 90% 18%,rgba(255,255,255,.18),transparent 60%)}
.cta .box>*{position:relative;z-index:2}
.cta h2{font-size:32px;letter-spacing:-.5px}
.cta p{opacity:.9;margin-top:10px}

/* ===== Footer ===== */
.ftr{background:var(--dark);color:#a9c5c4;padding:66px 0 30px}
.ftr .cols{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:42px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.10)}
.ftr .logo{color:#fff;margin-bottom:16px}
.ftr .logo .cn{color:#fff}.ftr .logo .en{color:#5eead4}
.ftr p{font-size:14px;line-height:1.9}
.ftr h4{color:#fff;font-size:15px;margin-bottom:18px}
.ftr li{margin-bottom:10px;font-size:14px}
.ftr a:hover{color:#fff}
.ftr .contact-li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14px}
.ftr .copy{text-align:center;padding-top:26px;font-size:13px;color:#7fa3a1}

/* ===== Page hero (inner) ===== */
.phead{background:var(--grad);color:#fff;position:relative;overflow:hidden}
.phead::before{content:"";position:absolute;inset:0;background:radial-gradient(600px circle at 85% 25%,rgba(255,255,255,.18),transparent 60%),rgba(15,43,46,.18)}
.phead .wrap{position:relative;z-index:2;padding:66px 24px 72px;text-align:center}
.phead h1{font-size:42px;letter-spacing:-.5px;text-shadow:0 2px 14px rgba(0,0,0,.18)}
.phead .crumb{margin-top:14px;font-size:14px;color:rgba(255,255,255,.85)}
.phead .crumb a:hover{color:#fff}

/* ===== About page extras ===== */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.vcard{background:#fff;border-radius:var(--radius);padding:34px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.25s}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.vcard .ic{width:56px;height:56px;border-radius:16px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:18px}
.vcard h3{font-size:19px;margin-bottom:10px}
.vcard p{color:var(--muted);font-size:14px}
.timeline{position:relative;max-width:840px;margin:0 auto;padding-left:38px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line)}
.titem{position:relative;padding-bottom:34px}
.titem::before{content:"";position:absolute;left:-34px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 5px var(--grad-soft)}
.titem .y{font-weight:800;color:var(--brand);font-size:18px}
.titem h4{margin:4px 0;font-size:17px}
.titem p{color:var(--muted);font-size:14px}

/* ===== Products page filter ===== */
.pfilter{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:46px}
.pfilter button{padding:11px 24px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;color:var(--muted);cursor:pointer;transition:.2s}
.pfilter button.active,.pfilter button:hover{background:var(--grad);color:#fff;border-color:transparent}

/* ===== News page ===== */
.feature-news{display:grid;grid-template-columns:1.2fr 1fr;gap:0;margin-bottom:58px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.feature-news .ph{aspect-ratio:auto;min-height:360px}
.feature-news .ph img{width:100%;height:100%;object-fit:cover}
.feature-news .bd{padding:46px;display:flex;flex-direction:column;justify-content:center}
.feature-news .date{color:var(--brand);font-weight:700;margin-bottom:14px}
.feature-news h2{font-size:28px;line-height:1.35;margin-bottom:16px}
.feature-news p{color:var(--muted);margin-bottom:24px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:46px}
.cinfo .ic-row{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px}
.cinfo .ic{flex:0 0 52px;height:52px;border-radius:15px;background:var(--grad);color:#fff;display:grid;place-items:center}
.cinfo b{display:block;font-size:16px;margin-bottom:2px}
.cinfo span{color:var(--muted);font-size:14px}
.cform{background:#fff;border-radius:var(--radius);padding:40px;box-shadow:var(--shadow);border:1px solid var(--line)}
.cform h3{font-size:22px;margin-bottom:6px}
.cform .sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px}
.field input,.field textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:13px;font:inherit;font-size:14px;background:#fdfffe;transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(13,148,136,.12)}
.field textarea{resize:vertical;min-height:120px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.map-embed{border-radius:var(--radius);overflow:hidden;margin-top:46px;box-shadow:var(--shadow);border:1px solid var(--line);position:relative}
.map-embed img{width:100%;height:360px;object-fit:cover;filter:saturate(.9) brightness(.95)}
.map-embed .pin{position:absolute;left:50%;top:50%;transform:translate(-50%,-100%);background:#fff;color:var(--brand);padding:10px 16px;border-radius:999px;font-weight:700;font-size:13px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:8px}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center}

/* ===== Responsive ===== */
@media(max-width:960px){
  .hero h1{font-size:42px}
  .about,.contact-grid,.feature-news{grid-template-columns:1fr}
  .pgrid,.ngrid,.serv-grid,.values{grid-template-columns:repeat(2,1fr)}
  .band .wrap{grid-template-columns:repeat(2,1fr);gap:38px}
  .feat-list{grid-template-columns:1fr}
  .cta .box{flex-direction:column;text-align:center;padding:46px 28px}
}
@media(max-width:640px){
  .nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 20px;box-shadow:var(--shadow);border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{width:100%}
  .burger{display:flex}
  .hdr .cta-mini{display:none}
  .sec{padding:62px 0}
  .sec-head h2{font-size:28px}
  .hero h1{font-size:34px}
  .hero{padding:0}
  .pgrid,.ngrid,.serv-grid,.values{grid-template-columns:1fr}
  .band .wrap{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:24px}
  .cta .box{padding:38px 22px}
  .row2{grid-template-columns:1fr}
  .feature-news .bd{padding:30px}
}

/* ===== CMS 共享：列表 / 详情 / 分页 / 表单 ===== */
.cms-page{padding:72px 0;}
.cms-page .container{max-width:1200px;margin:0 auto;padding:0 20px;}
.cms-page .cms-title{font-size:34px;font-weight:800;text-align:center;margin-bottom:8px;}
.cms-page .cms-subtitle{text-align:center;color:#888;margin-bottom:36px;}
.cms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px;}
.cms-card{display:block;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 26px rgba(0,0,0,.07);transition:.25s;text-decoration:none;color:inherit;}
.cms-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.12);}
.cms-card img{width:100%;height:200px;object-fit:cover;display:block;}
.cms-card h3{margin:0;padding:18px 18px 4px;font-size:18px;}
.cms-card p{padding:0 18px 18px;color:#777;font-size:14px;margin:0;}
.cms-detail{max-width:860px;margin:0 auto;padding:0 20px;}
.cms-detail img{max-width:100%;border-radius:14px;margin:18px 0;}
.cms-detail h1{font-size:34px;margin:10px 0 6px;}
.cms-detail .lead{color:#888;font-size:16px;}
.cms-content{line-height:1.9;color:#444;margin-top:18px;}
.cms-content img{max-width:100%;}
.cms-back{display:inline-block;margin:8px 0 18px;color:var(--c-primary,#e11d2e);text-decoration:none;font-weight:600;}
.cms-pager{margin:34px 0;text-align:center;}
.cms-pager a,.cms-pager span{padding:8px 14px;margin:0 3px;border-radius:8px;background:#fff;color:#444;text-decoration:none;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.cms-pager .active{background:var(--c-primary,#e11d2e);color:#fff;}
.contact-form{max-width:640px;margin:18px auto 0;display:grid;gap:14px;}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:12px 14px;border:1px solid #e3e3e3;border-radius:10px;font-size:15px;font-family:inherit;}
.contact-form textarea{min-height:120px;resize:vertical;}
.btn-primary{background:var(--c-primary,#e11d2e);color:#fff;padding:12px 22px;border-radius:10px;font-weight:700;border:none;cursor:pointer;}
.form-alert{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:14px;}
.form-alert-ok{background:#eafaf0;color:#1c7a43;}
.form-alert-err{background:#fdecea;color:#b42318;}
.form-alert-err ul{margin:6px 0 0;padding-left:18px;}
.ve-editable-bg{cursor:pointer;}