/* =====================================================
   仟亿拓达外贸站 · 前台样式
   基于 3.html 参考稿优化配色：深藏青 + 钛金 + 现货绿
   ===================================================== */
:root{
  --navy:#0a2540;--navy2:#123a5c;--gold:#c9a24b;--gold2:#e3c67e;
  --ink:#16232e;--gray:#5a6b7b;--line:#e3e9ef;--bg:#f5f8fb;--white:#fff;
  --green:#2ea05a;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Inter","Segoe UI",Arial,sans-serif;color:var(--ink);line-height:1.65;background:var(--white);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:var(--navy)}
img{display:block;max-width:100%}
.container,.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
h2{font-size:32px;line-height:1.25;color:var(--navy);font-weight:800;letter-spacing:-.4px}
h3{font-size:19px;font-weight:700;color:var(--navy)}
.lead{color:var(--gray);font-size:16.5px;margin-top:14px;max-width:720px}
.eyebrow{color:var(--gold);font-weight:700;letter-spacing:2px;font-size:12px;text-transform:uppercase;margin-bottom:12px}
.kicker{display:inline-block;background:rgba(201,162,75,.14);color:#8a6a1f;font-weight:700;font-size:12.5px;padding:5px 12px;border-radius:20px;margin-bottom:14px}
.section{padding:78px 0}
.section-tight{padding:56px 0}
.muted{color:var(--gray)}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;font-weight:600;font-size:15px;padding:13px 26px;border-radius:var(--radius);cursor:pointer;border:0;transition:.2s;font-family:inherit}
.btn-gold{background:var(--gold);color:#12263a}
.btn-gold:hover{background:var(--gold2)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.65)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.btn-outline-navy{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}
.btn-outline-navy:hover{border-color:var(--gold);color:var(--gold)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy2)}
.btn-wa{background:#25d366;color:#08300f;display:inline-flex;align-items:center;gap:8px}
.btn-wa:hover{background:#1fbe5a}

/* ---------- Header ---------- */
header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.h-inner{display:flex;align-items:center;gap:18px;height:74px}
.logo{font-weight:800;font-size:20px;color:var(--navy);letter-spacing:-.3px;flex:none}
.logo span{color:var(--gold)}
nav{display:flex;gap:2px;flex:1;flex-wrap:nowrap;min-width:0}
nav a{font-size:13.5px;font-weight:500;color:#405363;padding:8px 9px;border-radius:8px;white-space:nowrap}
nav a:hover,nav a.on{background:var(--bg);color:var(--navy)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:9px;background:transparent;border:1px solid var(--line);border-radius:9px;cursor:pointer;flex:none}
.nav-toggle i{display:block;height:2px;width:100%;background:var(--navy);border-radius:2px}
.mobile-nav{display:none;background:var(--white);border-bottom:1px solid var(--line);padding:8px 0 14px}
.mobile-nav a{display:block;padding:11px 24px;font-size:15px;font-weight:500;color:#405363;border-bottom:1px solid var(--line)}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav.open{display:block}
.h-cta{flex:none;display:flex;align-items:center;gap:14px;margin-left:auto}
.h-phone{font-size:13.5px;color:var(--gray);font-weight:600}
.h-phone b{color:var(--navy);display:block;font-size:14.5px}

/* 语言下拉 */
.lang-dd{position:relative;flex:none}
.lang-dd summary{list-style:none;cursor:pointer;font-size:13px;font-weight:700;color:#405363;background:var(--bg);border:1px solid var(--line);padding:7px 12px;border-radius:20px;display:inline-flex;align-items:center;gap:6px}
.lang-dd summary::-webkit-details-marker{display:none}
.lang-dd[open] summary{border-color:var(--gold);color:var(--gold)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:176px;max-height:66vh;overflow-y:auto;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 14px 34px rgba(20,24,33,.18);padding:6px;z-index:60}
.lang-menu a{display:flex;align-items:center;gap:9px;padding:8px 11px;border-radius:7px;font-size:14px;color:#2b2f36}
.lang-menu a:hover{background:var(--bg)}
.lang-menu a.on{background:rgba(201,162,75,.12);color:#8a6a1f;font-weight:700}
.lang-menu b{font-size:11px;color:var(--gold);width:26px;flex:none}

/* ---------- Hero ---------- */
.hero{background:radial-gradient(1200px 500px at 82% -10%,rgba(201,162,75,.22),transparent 60%),linear-gradient(120deg,var(--navy) 0%,#0d3554 55%,#123a5c 100%);color:#fff;padding:92px 0 100px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-90px;bottom:-140px;width:420px;height:420px;border:1px solid rgba(255,255,255,.08);border-radius:50%;box-shadow:0 0 0 60px rgba(255,255,255,.03),0 0 0 130px rgba(255,255,255,.02)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:47px;line-height:1.14;font-weight:800;letter-spacing:-1.2px;max-width:640px}
.hero h1 em{font-style:normal;color:var(--gold2)}
.hero p{color:rgba(255,255,255,.82);font-size:17.5px;margin-top:22px;max-width:600px}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding-top:30px;border-top:1px solid rgba(255,255,255,.14);max-width:640px;font-variant-numeric:tabular-nums}
.hero-stats div span{display:block;font-size:27px;font-weight:800;color:var(--gold2);letter-spacing:-.5px}
.hero-stats div small{font-size:12.5px;color:rgba(255,255,255,.7)}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px;backdrop-filter:blur(6px)}
.hero-card h3{color:#fff;font-size:18px;margin-bottom:6px}
.hero-card p{color:rgba(255,255,255,.76);font-size:13.5px;margin:0}
.stock-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(46,160,90,.18);color:#8fe0ac;font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:20px;margin-bottom:14px}
.dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 4px rgba(74,222,128,.22)}

/* ---------- Pillars ---------- */
.p-head{text-align:center;margin-bottom:50px}
.p-head .lead{margin:14px auto 0}
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.p-card{border:1px solid var(--line);border-radius:14px;padding:30px 26px;background:var(--white);transition:.22s;position:relative;overflow:hidden}
.p-card:hover{border-color:var(--gold);transform:translateY(-5px);box-shadow:0 16px 36px -18px rgba(10,37,64,.35)}
.p-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gold)}
.p-no{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:1.5px}
.p-card h3{margin:10px 0 8px;font-size:21px}
.p-card p{color:var(--gray);font-size:14.5px}
.p-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:7px}
.p-tags i{font-style:normal;font-size:12px;color:#42617d;background:var(--bg);border:1px solid var(--line);padding:4px 10px;border-radius:20px}
.p-link{display:inline-block;margin-top:18px;font-size:13.5px;font-weight:700;color:var(--navy)}
.p-link:after{content:" →";color:var(--gold)}

/* ---------- Inventory ---------- */
.inv{background:var(--bg)}
.inv-top{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:34px}
.inv-filters{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.inv-filters button{font-size:13px;font-weight:600;color:#486176;background:#fff;border:1px solid var(--line);padding:7px 15px;border-radius:20px;cursor:pointer;font-family:inherit}
.inv-filters button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.inv-filters button:hover{border-color:var(--gold)}
.inv-table{background:#fff;border:1px solid var(--line);border-radius:14px;overflow-x:auto}
.inv-table table{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}
.inv-table th{background:#eef3f7;text-align:left;padding:13px 16px;font-size:12px;font-weight:800;color:#3c566b;letter-spacing:.6px;text-transform:uppercase;white-space:nowrap}
.inv-table td{padding:13px 16px;border-top:1px solid var(--line);color:#33475a}
.inv-table tr:hover td{background:#fafcfe}
.tag-stock{display:inline-block;font-size:11.5px;font-weight:700;color:#1c7a43;background:#e8f7ee;padding:3px 9px;border-radius:20px}
.inv-foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:22px}
.inv-note{font-size:13.5px;color:var(--gray);max-width:640px}
.inv-note b,.inv-upd b{color:var(--navy)}
.inv-upd{margin-top:10px;font-size:14px;color:var(--gray)}

/* ---------- Industries ---------- */
.ind .lead{margin-bottom:38px}
.i-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.i-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px 16px;text-align:center;transition:.2s}
.i-card:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.i-card:hover p{color:rgba(255,255,255,.72)}
.i-ico{font-size:26px;margin-bottom:10px;display:block}
.i-card p{font-size:13.5px;font-weight:600;color:#3d5366;margin:0}
.i-card small{display:block;font-size:11.5px;color:var(--gold);font-weight:700;margin-top:7px;letter-spacing:.5px}

/* ---------- Process ---------- */
.proc{background:var(--navy);color:#fff}
.proc h2{color:#fff}
.proc .lead{color:rgba(255,255,255,.74)}
.proc-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:46px}
.step{position:relative;padding:26px 22px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:rgba(255,255,255,.04)}
.step b{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--gold);color:#12263a;font-size:14px;margin-bottom:14px}
.step h3{color:#fff;font-size:17px;margin-bottom:6px}
.step p{color:rgba(255,255,255,.72);font-size:13.5px}

/* ---------- Fabrication ---------- */
.fab-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.fab-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
.fab-list div{font-size:14px;color:#3a5063;background:var(--bg);border:1px solid var(--line);padding:11px 14px;border-radius:9px;font-weight:500}
.fab-list div:before{content:"✓ ";color:var(--gold);font-weight:800;margin-right:6px}
.case{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.case-img{height:190px;position:relative;background:linear-gradient(135deg,#123a5c,#0a2540 60%,#1b4a72)}
.case-img:after{content:"⚙";position:absolute;right:26px;bottom:20px;font-size:64px;opacity:.16}
.case-img span{position:absolute;bottom:12px;left:16px;color:#fff;font-size:12px;font-weight:700;letter-spacing:1px;background:rgba(0,0,0,.28);padding:4px 10px;border-radius:20px}
.case-body{padding:22px}
.case-body h3{font-size:18px;margin-bottom:8px}
.case-body p{font-size:13.5px;color:var(--gray)}
.case-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.case-meta i{font-style:normal;font-size:11.5px;color:#42617d;background:var(--bg);border:1px solid var(--line);padding:3px 9px;border-radius:20px}

/* ---------- Certs / Proof ---------- */
.certs{background:var(--bg)}
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:40px}
.cert{border:1px solid var(--line);border-radius:12px;padding:24px 18px;text-align:center;background:#fff}
.cert b{display:block;font-size:16px;color:var(--navy);margin-bottom:5px}
.cert small{font-size:12px;color:var(--gray)}
.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:42px}
.q{background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:12px;padding:24px 26px}
.q p{font-size:14.5px;color:#31485a;font-style:italic}
.q cite{display:block;margin-top:14px;font-size:13px;font-weight:700;color:var(--navy);font-style:normal}
.q cite span{display:block;font-size:12px;color:var(--gray);font-weight:500;margin-top:2px}

/* ---------- News ---------- */
.newssec .inv-top{align-items:center}
.n-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.n-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.2s}
.n-card:hover{box-shadow:0 16px 36px -18px rgba(10,37,64,.3);transform:translateY(-3px)}
.n-thumb{display:block;height:170px;background:linear-gradient(135deg,#eef3f7,#e2e9ef);overflow:hidden}
.n-thumb img{width:100%;height:100%;object-fit:cover}
.noimg{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:44px;font-weight:800;color:#b9c6d2}
.n-body{padding:20px}
.n-body small{color:var(--gray);font-size:12.5px}
.n-body h3{font-size:17px;margin:8px 0;line-height:1.4}
.n-body p{font-size:13.5px;color:var(--gray)}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--navy),#123a5c);color:#fff;text-align:center;padding:84px 0}
.cta h2{color:#fff;font-size:34px}
.cta p{color:rgba(255,255,255,.78);margin-top:14px;max-width:620px;margin-left:auto;margin-right:auto}
.cta-btns{margin-top:30px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- 页面头 / 面包屑 / 筛选 ---------- */
.pagehero{background:linear-gradient(120deg,var(--navy),#123a5c);color:#fff;padding:56px 0 48px}
.pagehero h1{font-size:36px;font-weight:800;letter-spacing:-.8px}
.pagehero .lead{color:rgba(255,255,255,.8)}
.pagehero .crumbs a{color:var(--gold2)}
.pagehero .inv-upd{color:rgba(255,255,255,.75)}
.pagehero .inv-upd b{color:#fff}
.crumbs{font-size:13px;color:rgba(255,255,255,.65);margin-bottom:14px}
.crumbs a{color:rgba(255,255,255,.85)}
.crumbs span{color:var(--gold2)}
.pagehero.slim{padding:40px 0 8px;background:transparent}
.pagehero.slim .crumbs a,.pagehero.slim .crumbs span{color:var(--gray)}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{font-size:13.5px;font-weight:600;color:#486176;background:#fff;border:1px solid var(--line);padding:8px 16px;border-radius:22px}
.chip span{color:var(--gold);font-size:12px}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.chip:hover{border-color:var(--gold)}
.empty-note{color:var(--gray);padding:30px 0}

/* ---------- 产品卡片 / 详情 ---------- */
.pr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pr-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:.2s}
.pr-card:hover{box-shadow:0 16px 36px -18px rgba(10,37,64,.3);transform:translateY(-3px)}
.pr-thumb{display:block;height:180px;background:linear-gradient(135deg,#eef3f7,#e2e9ef);overflow:hidden}
.pr-thumb img{width:100%;height:100%;object-fit:cover}
.pr-body{padding:18px}
.pr-body h3{font-size:16px;line-height:1.4;margin-bottom:6px}
.pr-body p{font-size:13px;color:var(--gray)}
.pr-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.pr-meta i{font-style:normal;font-size:11.5px;color:#42617d;background:var(--bg);border:1px solid var(--line);padding:3px 9px;border-radius:20px}
.pr-price{margin-top:10px;font-size:16px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}
.pd-spec td b{color:var(--navy);font-weight:800}
.pd-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.pd-media img,.pd-noimg{border-radius:14px;border:1px solid var(--line)}
.pd-noimg{display:flex;align-items:center;justify-content:center;height:360px;background:linear-gradient(135deg,#eef3f7,#e2e9ef);font-size:80px;font-weight:800;color:#b9c6d2}
.pd-info h1{font-size:30px;color:var(--navy);letter-spacing:-.6px;line-height:1.2}
.pd-spec{width:100%;border-collapse:collapse;margin-top:22px}
.pd-spec th{text-align:left;font-size:12.5px;text-transform:uppercase;color:#3c566b;background:#eef3f7;padding:10px 14px;width:140px}
.pd-spec td{padding:10px 14px;border:1px solid var(--line);font-size:14px;color:#33475a}
.pd-spec th{border:1px solid var(--line)}
.pd-desc{max-width:820px;font-size:15.5px;color:#33475a}
.pd-desc p{margin-bottom:16px}
.rel-title{margin-bottom:24px;font-size:24px}

/* ---------- 文章 ---------- */
.art{max-width:820px}
.art h1{font-size:34px;color:var(--navy);letter-spacing:-.7px;line-height:1.22}
.art-meta{color:var(--gray);font-size:13.5px;margin:14px 0 8px}
.art-lead{font-size:17px;color:#31485a;background:var(--bg);border-left:3px solid var(--gold);padding:16px 20px;border-radius:0 12px 12px 0;margin:18px 0}
.art-cover{border-radius:14px;margin:18px 0}
.art-body{font-size:16px;color:#2c3e50;margin-top:10px}
.art-body p{margin-bottom:18px}
.art-body h2,.art-body h3{margin:28px 0 12px}
.art-body ul,.art-body ol{margin:0 0 18px 24px}
.art-body img{border-radius:10px;margin:10px 0}
.art-body table{width:100%;border-collapse:collapse;margin:14px 0}
.art-body td,.art-body th{border:1px solid var(--line);padding:8px 12px;font-size:14px}
.art-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}

/* ---------- 联系 ---------- */
.ct-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
.ct-info h3{margin-bottom:18px}
.ct-row{display:flex;flex-direction:column;margin-bottom:16px;font-size:14.5px}
.ct-row b{font-size:12px;text-transform:uppercase;letter-spacing:.8px;color:var(--gold);margin-bottom:3px}
.ct-note{margin-top:22px;background:rgba(201,162,75,.12);border:1px solid rgba(201,162,75,.4);color:#8a6a1f;font-weight:600;font-size:13.5px;padding:12px 16px;border-radius:10px}
.ct-form{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:28px}
.ct-form label{display:block;font-size:13px;font-weight:600;color:#3c566b;margin-bottom:14px}
.ct-form input,.ct-form select,.ct-form textarea{width:100%;margin-top:5px;padding:11px 13px;border:1px solid #d6dee7;border-radius:9px;font-size:14px;font-family:inherit;background:#fff}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-ok{background:#e8f7ee;border:1px solid #b5e5c8;color:#1c7a43;padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}
.form-err{background:#fdecec;border:1px solid #f5b5b5;color:#a33;padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}

/* ---------- 分页 ---------- */
.pager{display:flex;gap:8px;justify-content:center;margin-top:36px}
.pager a{min-width:38px;text-align:center;padding:8px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-weight:600;color:#405363;background:#fff}
.pager a.on{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ---------- WhatsApp 悬浮 ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;display:inline-flex;align-items:center;gap:9px;background:#25d366;color:#08300f;font-weight:700;font-size:14px;padding:12px 18px;border-radius:40px;box-shadow:0 10px 26px -8px rgba(0,0,0,.45);transition:.2s}
.wa-float:hover{background:#1fbe5a;transform:translateY(-2px)}

/* ---------- Footer ---------- */
footer{background:#082032;color:rgba(255,255,255,.78);padding:60px 0 30px;font-size:13.5px}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-logo{font-size:19px;font-weight:800;color:#fff;margin-bottom:12px}
.f-logo span{color:var(--gold)}
.f-grid h4{color:#fff;font-size:14px;margin-bottom:12px;letter-spacing:.5px}
.f-grid ul{list-style:none}
.f-grid li{margin-bottom:8px}
.f-grid a{color:rgba(255,255,255,.78);font-size:13.5px}
.f-grid a:hover{color:var(--gold2)}
.f-contact div{margin-bottom:10px;font-size:13.5px}
.f-contact b{color:#fff;display:block;font-size:12px;margin-bottom:2px}
.f-bottom{margin-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:rgba(255,255,255,.66)}

/* ---------- 长词语言（俄/德/希腊等）防溢出加固 ---------- */
body{overflow-wrap:break-word}
/* 网格子项允许收缩：防止长单词把网格列撑爆导致整行错位 */
.p-grid>*,.i-grid>*,.cert-grid>*,.proc-steps>*,.n-grid>*,.pr-grid>*,.proof-grid>*,.f-grid>*,.hero-grid>*,.hero-stats>div,.fab-list>*{min-width:0}
/* 长词可在任意位置断行 */
.i-card p,.i-card small,.cert b,.cert small,.hero-stats div small,.p-tags i,.p-link,.case-meta i,.fab-list div,.step h3,.step p,.inv-filters button,.inv-table th,.inv-table td,.n-body h3,.n-body p,.pr-body h3,.pr-body p,.q p,.q cite,.q cite span,.ct-row span,.f-contact div,.lang-menu a{overflow-wrap:anywhere}
/* 胶囊/标签允许内部换行 */
.stock-pill{flex-wrap:wrap}
.btn{white-space:normal}
.i-card{overflow:hidden}

/* ---------- 响应式 ---------- */
@media(max-width:1280px){
  .h-phone{display:none}
}
@media(max-width:1100px){
  nav{display:none}
  .nav-toggle{display:flex}
  .h-inner{gap:12px}
  .h-cta{margin-left:auto}
  .h-cta .btn{padding:11px 18px}
}
/* 右侧操作组固定贴右，永不被菜单挤压 */
.h-cta{position:relative;z-index:6}
/* 非英语语言（俄/德/希腊等长词语言）导航更早切换为汉堡菜单 */
@media(max-width:1250px){
  html:not([lang="en"]) nav{display:none}
  html:not([lang="en"]) .nav-toggle{display:flex}
  html:not([lang="en"]) .h-cta{margin-left:auto}
}
@media(max-width:960px){
  .hero-grid,.fab-grid,.pd-grid,.ct-grid{grid-template-columns:1fr;gap:38px}
  .p-grid,.i-grid,.cert-grid,.proc-steps{grid-template-columns:1fr 1fr}
  .n-grid,.pr-grid,.proof-grid,.f-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:36px}
}
@media(max-width:600px){
  .section{padding:58px 0}
  .hero{padding:64px 0 70px}
  .hero h1{font-size:30px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px}
  .p-grid,.i-grid,.cert-grid,.proc-steps,.proof-grid,.n-grid,.pr-grid,.f-grid{grid-template-columns:1fr}
  .inv-top{flex-direction:column;align-items:flex-start}
  .fab-list{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
  .pd-noimg{height:240px;font-size:56px}
  .cta h2{font-size:26px}
  .pagehero h1{font-size:28px}
}