/* ============================================================
   HRX · CNC 精密加工询盘站 · 蓝色工业主题
   ============================================================ */
:root{
  --navy:#0A2540;        /* 深蓝：页头/页脚 */
  --navy-2:#123A5C;
  --blue:#0066CC;        /* 主蓝 */
  --blue-d:#004C99;
  --blue-l:#3385DB;
  --sky:#00A3FF;         /* 亮蓝点缀 */
  --ink:#1C2B3A;
  --muted:#5A6B7D;
  --muted-2:#8496A8;
  --line:#DFE7F0;
  --line-2:#C6D5E4;
  --bg:#FFFFFF;
  --bg-2:#F4F7FB;        /* 浅灰蓝 */
  --bg-3:#EAF1F8;
  --white:#FFFFFF;
  --radius:8px;
  --radius-lg:14px;
  --max:1320px;
  --hdr:68px;
  --shadow:0 8px 28px rgba(10,37,64,.10);
  --shadow-h:0 18px 44px rgba(10,37,64,.16);
  --mono:"SF Mono","Roboto Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:700;color:var(--navy);letter-spacing:-.01em}
h1{font-size:2.5rem}h2{font-size:1.75rem}h3{font-size:1.12rem}h4{font-size:1rem}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--navy{background:var(--navy);color:#C9DBEC}
.section--navy h2,.section--navy h3,.section--navy h4{color:#fff}
.center{text-align:center}
.center .lead{margin-inline:auto}
.eyebrow{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);margin-bottom:12px;font-family:var(--mono);
}
.section--navy .eyebrow{color:var(--sky)}
.lead{color:var(--muted);font-size:1.02rem;max-width:780px}
.section-head{margin-bottom:40px}
.section-head h2{margin-bottom:12px}
.mono{font-family:var(--mono)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:6px;font-weight:600;font-size:.92rem;
  border:1px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap;background:none;color:inherit;
}
.btn--primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn--primary:hover{background:var(--blue-d);border-color:var(--blue-d);box-shadow:0 8px 20px rgba(0,102,204,.28)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue);background:var(--bg-3)}
.btn--outline{background:transparent;color:var(--blue);border-color:var(--blue)}
.btn--outline:hover{background:var(--blue);color:#fff}
.btn--light{background:#fff;color:var(--blue-d);border-color:#fff}
.btn--light:hover{background:var(--bg-3);color:var(--blue-d)}
.btn--block{width:100%}
.btn--lg{padding:14px 30px;font-size:1rem}
.btn--sm{padding:8px 15px;font-size:.84rem}

/* ---------- 顶部条 ---------- */
.topstrip{background:var(--navy);color:#A9C4DC;font-size:.8rem;border-bottom:1px solid rgba(255,255,255,.08)}
.topstrip .container{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.topstrip-left{display:flex;gap:20px;align-items:center}
.topstrip-right{display:flex;align-items:center;gap:6px}
.topstrip a:hover{color:#fff}
.ts-sel{
  background:transparent;border:1px solid rgba(255,255,255,.18);color:#C9DBEC;font-size:.78rem;cursor:pointer;
  padding:4px 8px;border-radius:4px;font-family:inherit;
}
.ts-sel:hover{color:#fff;border-color:rgba(255,255,255,.4)}
.ts-sel option{background:var(--navy-2);color:#fff}
.lang-btn{
  background:transparent;border:1px solid rgba(255,255,255,.18);color:#C9DBEC;font-size:.75rem;
  padding:4px 9px;border-radius:4px;cursor:pointer;font-family:inherit;font-weight:600;transition:.15s;
}
.lang-btn:hover{color:#fff;border-color:rgba(255,255,255,.45)}
.lang-btn.on{background:var(--sky);border-color:var(--sky);color:#04263D}

/* ---------- 主导航 ---------- */
.header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(10,37,64,.05)}
.header .container{display:flex;align-items:center;gap:26px;height:var(--hdr)}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.16rem;color:var(--navy);flex-shrink:0;letter-spacing:.06em}
.logo img{height:38px}
.logo em{font-style:normal;color:var(--blue);letter-spacing:.1em}
.logo small{display:block;font-size:.62rem;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-top:-3px}
.nav{display:flex;gap:2px;flex:1}
.nav-item{position:relative}
.nav-item>a,.nav-link{
  display:flex;align-items:center;gap:5px;padding:9px 14px;border-radius:6px;
  font-size:.92rem;font-weight:500;color:var(--ink);cursor:pointer;transition:.15s;border:none;background:none;
}
.nav-item>a:hover,.nav-link:hover,.nav-item.open>a,.nav-link.on{color:var(--blue);background:var(--bg-3)}
.caret{font-size:.6rem;opacity:.7;transition:.2s}
.nav-item.open .caret{transform:rotate(180deg)}
.mega{
  position:absolute;top:calc(100% + 8px);left:0;min-width:640px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-h);
  padding:20px;display:none;grid-template-columns:repeat(2,1fr);gap:6px;
}
.nav-item.open .mega{display:grid}
.mega a{display:flex;gap:12px;align-items:flex-start;padding:11px 12px;border-radius:8px;transition:.15s;border:1px solid transparent}
.mega a:hover{background:var(--bg-3);border-color:var(--line)}
.mega .mi{font-size:1.15rem;width:26px;flex-shrink:0;text-align:center;color:var(--blue)}
.mega b{display:block;font-size:.9rem;font-weight:600;color:var(--navy)}
.mega span{font-size:.78rem;color:var(--muted)}
.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.tel{font-size:.86rem;color:var(--muted);white-space:nowrap}
.tel b{color:var(--navy);font-family:var(--mono)}
.burger{display:none;width:38px;height:34px;border:1px solid var(--line-2);border-radius:6px;background:#fff;color:var(--navy);cursor:pointer}
.burger i{display:block;width:17px;height:2px;background:currentColor;margin:3px auto}

/* ---------- 移动端菜单 ---------- */
.mnav{display:none;position:fixed;inset:calc(var(--hdr) + 36px) 0 0;background:#fff;z-index:69;padding:20px;overflow:auto}
.mnav.open{display:block}
.mnav a{display:block;padding:13px 0;border-bottom:1px solid var(--line);color:var(--navy);font-weight:500}

/* ---------- Hero ---------- */
.hero{position:relative;padding:88px 0 76px;overflow:hidden;background:linear-gradient(115deg,#0A2540 0%,#123A5C 48%,#0B3B63 100%);border-bottom:3px solid var(--blue)}
.hero-bg{position:absolute;inset:0;opacity:.5;
  background:
    radial-gradient(760px 420px at 80% 20%,rgba(0,163,255,.22),transparent 62%),
    radial-gradient(620px 380px at 6% 84%,rgba(0,102,204,.2),transparent 60%);}
.hero-bg::after{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(circle at 62% 42%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 62% 42%,#000,transparent 76%);
}
.hero .container{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:50px;align-items:center}
.hero h1{color:#fff;font-size:3rem;margin-bottom:18px;letter-spacing:-.025em}
.hero h1 em{font-style:normal;color:var(--sky)}
.hero .lead{color:#B9D2E8;font-size:1.08rem}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 32px}
.hero-specs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.16);border-radius:10px;overflow:hidden}
.hero-specs div{background:rgba(9,32,55,.72);padding:15px 14px}
.hero-specs strong{display:block;font-size:1.3rem;color:var(--sky);font-family:var(--mono);letter-spacing:-.02em}
.hero-specs span{font-size:.74rem;color:#9FBDD8;letter-spacing:.03em}
.hero-visual{position:relative;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);overflow:hidden;background:rgba(255,255,255,.06);box-shadow:0 20px 50px rgba(0,0,0,.3)}
.hero-visual video,.hero-visual>img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:var(--navy)}
.hero-video{position:relative;z-index:1}
.hero-play{
  position:absolute;top:12px;right:12px;z-index:3;width:34px;height:34px;border-radius:50%;
  background:rgba(9,32,55,.7);border:1px solid rgba(255,255,255,.3);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:.72rem;cursor:pointer;
  backdrop-filter:blur(6px);transition:.15s;
}
.hero-play:hover{background:rgba(0,102,204,.85);border-color:rgba(255,255,255,.6)}
.hero-chip{position:relative;z-index:2}
.hero-chip{position:absolute;bottom:14px;left:14px;right:14px;display:flex;gap:8px;flex-wrap:wrap}
.hero-chip span{
  background:rgba(9,32,55,.85);border:1px solid rgba(255,255,255,.22);border-radius:20px;
  padding:5px 12px;font-size:.72rem;font-family:var(--mono);color:var(--sky);backdrop-filter:blur(6px);
}

/* ---------- 产品带 ---------- */
.strip{margin-bottom:54px}
.strip-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}
.strip-head h2{margin:0;font-size:1.4rem}
.strip-nav{display:flex;gap:8px}
.strip-nav button{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line-2);background:#fff;
  color:var(--navy);cursor:pointer;transition:.15s;font-size:.95rem;
}
.strip-nav button:hover{border-color:var(--blue);color:var(--blue);background:var(--bg-3)}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-behavior:smooth;padding-bottom:8px;scrollbar-width:thin}
.rail::-webkit-scrollbar{height:5px}
.rail::-webkit-scrollbar-track{background:var(--bg-2)}
.rail::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:3px}
.rail>.card,.rail>.pcard{min-width:280px;flex:0 0 280px}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
.card:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.card .ico{font-size:1.5rem;margin-bottom:12px;display:block;color:var(--blue)}
.card p{color:var(--muted);font-size:.9rem;margin:0}
.card h3{font-size:1.02rem;margin-bottom:8px}

/* ---------- 产品卡 ---------- */
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.22s ease;position:relative;
}
.pcard:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:var(--shadow-h)}
.pcard .thumb{position:relative;aspect-ratio:4/3;background:var(--bg-3);display:flex;align-items:center;justify-content:center;overflow:hidden}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:.3s}
.pcard:hover .thumb img{transform:scale(1.05)}
.pcard .flag{
  position:absolute;top:10px;left:10px;font-size:.66rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:4px 9px;border-radius:4px;background:var(--blue);color:#fff;
}
.pcard .flag.hot{background:#E8590C}
.pcard .flag.new{background:var(--sky);color:#04263D}
.pcard .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .cat{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-family:var(--mono)}
.pcard h3{font-size:.98rem;margin:0;line-height:1.35}
.pcard h3 a:hover{color:var(--blue)}
.pcard .desc{font-size:.82rem;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.pcard .meta{font-size:.76rem;color:var(--muted-2);border-top:1px dashed var(--line);padding-top:9px;margin:0;font-family:var(--mono)}
.pcard .meta b{color:var(--ink);font-weight:600}
.pcard .acts{display:flex;gap:8px;margin-top:4px}
.pcard .acts .btn{flex:1}

/* ---------- 分类筛选 ---------- */
.chips{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px}
.chip{
  padding:8px 17px;border-radius:20px;border:1px solid var(--line-2);background:#fff;
  color:var(--muted);font-size:.86rem;cursor:pointer;transition:.16s;
}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.active{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}

/* ---------- 能力块 ---------- */
.cap-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:20px;transition:.2s}
.cap-item:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.cap-item .k{font-family:var(--mono);font-size:1.5rem;color:var(--blue);font-weight:700;letter-spacing:-.02em}
.cap-item .l{font-size:.88rem;color:var(--navy);margin-top:5px;font-weight:600}
.cap-item .d{font-size:.78rem;color:var(--muted-2);margin-top:3px}
.mat-list{display:flex;flex-wrap:wrap;gap:8px}
.mat-list span{
  border:1px solid var(--line-2);border-radius:5px;padding:6px 13px;font-size:.82rem;
  font-family:var(--mono);color:var(--muted);background:#fff;transition:.15s;
}
.mat-list span:hover{border-color:var(--blue);color:var(--blue);background:var(--bg-3)}

/* ---------- 详情页 ---------- */
.crumb{background:var(--bg-2);border-bottom:1px solid var(--line);padding:13px 0;font-size:.82rem;color:var(--muted)}
.crumb a:hover{color:var(--blue)}
.detail-top{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:start;padding-top:38px;padding-bottom:52px}
.gallery{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-3)}
.gallery-main{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:#fff}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);overflow-x:auto;background:#fff}
.thumbs button{
  width:66px;height:52px;flex-shrink:0;border:1px solid var(--line-2);border-radius:5px;overflow:hidden;
  background:#fff;cursor:pointer;padding:0;transition:.15s;
}
.thumbs button:hover,.thumbs button.on{border-color:var(--blue);box-shadow:0 0 0 2px rgba(0,102,204,.14)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.ptitle{font-size:2rem;margin:10px 0 12px;letter-spacing:-.02em}
.pcode{font-family:var(--mono);font-size:.78rem;color:var(--muted-2);letter-spacing:.06em}
.infobox{border:1px solid var(--line);border_left:none;border-radius:var(--radius);background:var(--bg-2);padding:18px 20px;margin:20px 0}
.infobox{border-left:3px solid var(--blue)}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px}
.info-grid div{font-size:.88rem}
.info-grid .lab{display:block;font-size:.74rem;color:var(--muted-2);letter-spacing:.04em;text-transform:uppercase;font-family:var(--mono)}
.info-grid .val{font-weight:600;color:var(--navy)}
.variant{margin-bottom:15px}
.variant>label{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:8px;letter-spacing:.03em}
.vopts{display:flex;gap:8px;flex-wrap:wrap}
.vopt{
  padding:8px 15px;border:1px solid var(--line-2);border-radius:6px;background:#fff;
  color:var(--ink);font-size:.86rem;cursor:pointer;transition:.15s;font-family:inherit;
}
.vopt:hover{border-color:var(--blue);color:var(--blue)}
.vopt.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.buyrow{display:flex;gap:10px;margin:20px 0 14px;flex-wrap:wrap}
.buyrow .btn{flex:1;min-width:160px}
.usp{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px}
.usp li{display:flex;gap:9px;font-size:.87rem;color:var(--muted)}
.usp li::before{content:"✓";color:var(--blue);font-weight:800;flex-shrink:0}

/* 标签页 */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:24px;overflow-x:auto}
.tab{
  padding:12px 20px;background:none;border:none;border-bottom:2px solid transparent;
  color:var(--muted);font-size:.92rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:.15s;
}
.tab:hover{color:var(--navy)}
.tab.on{color:var(--blue);border-color:var(--blue)}
.panel{display:none}
.panel.on{display:block}
.spec-tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.spec-tbl th,.spec-tbl td{border-bottom:1px solid var(--line);padding:13px 10px;text-align:left;vertical-align:top}
.spec-tbl th{width:38%;color:var(--muted);font-weight:500}
.spec-tbl td{font-family:var(--mono);font-size:.86rem;color:var(--ink)}
.panel ul{margin:0;padding-left:1.1em;color:var(--muted)}
.panel ul li{margin-bottom:9px}

/* ---------- 表单 ---------- */
.fg{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:600;color:var(--ink);letter-spacing:.02em}
.field input,.field select,.field textarea{
  padding:11px 13px;border:1px solid var(--line-2);border-radius:6px;background:#fff;
  color:var(--ink);font-size:.92rem;font-family:inherit;transition:.16s;width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,102,204,.12)}
.field textarea{min-height:110px;resize:vertical}
.field input[type=file]{padding:9px;background:var(--bg-2);border-style:dashed}
.field .hint{font-size:.74rem;color:var(--muted-2)}
.fmsg{margin-top:14px;padding:12px 16px;border-radius:6px;font-size:.88rem;display:none}
.fmsg.ok{display:block;background:rgba(0,163,255,.1);color:var(--blue-d);border:1px solid rgba(0,163,255,.32)}
.fmsg.err{display:block;background:rgba(220,53,69,.08);color:#B3261E;border:1px solid rgba(220,53,69,.25)}

/* ---------- FAQ ---------- */
.acc{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:10px;overflow:hidden}
.acc-btn{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:17px 20px;background:none;border:none;color:var(--navy);font-size:.95rem;font-weight:600;
  cursor:pointer;text-align:left;transition:.15s;
}
.acc-btn:hover{color:var(--blue);background:var(--bg-2)}
.acc-btn i{font-style:normal;color:var(--blue);font-size:1.2rem;transition:.2s;flex-shrink:0}
.acc.open .acc-btn i{transform:rotate(45deg)}
.acc-body{display:none;padding:0 20px 18px;color:var(--muted);font-size:.9rem}
.acc.open .acc-body{display:block}

/* ---------- 流程 ---------- */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{position:relative;padding-top:18px}
.step::before{
  counter-increment:s;content:counter(s);
  width:34px;height:34px;border-radius:50%;border:1px solid var(--blue);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--mono);font-size:.86rem;margin-bottom:11px;
}
.step h4{font-size:.95rem;margin-bottom:5px}
.step p{font-size:.83rem;color:var(--muted-2);margin:0}

/* ---------- 评价 ---------- */
.qcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.qcard .stars{color:#F2A100;font-size:.85rem;margin-bottom:10px;letter-spacing:2px}
.qcard p{font-size:.9rem;color:var(--muted);font-style:italic}
.qcard .who{display:flex;align-items:center;gap:11px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.av{width:38px;height:38px;border-radius:50%;background:var(--bg-3);border:1px solid var(--blue);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem}
.qcard .who b{display:block;font-size:.87rem;color:var(--navy)}
.qcard .who span{font-size:.76rem;color:var(--muted-2)}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(100deg,var(--navy),#13436F);color:#fff;padding:62px 0}
.cta h2{color:#fff;margin:0 0 8px;font-size:1.7rem}
.cta p{color:#B9D2E8;margin:0}
.cta .container{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--navy);color:#A9C4DC;padding:54px 0 0;font-size:.87rem}
.footer h4{color:#fff;font-size:.9rem;margin:0 0 16px;letter-spacing:.04em}
.fgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:38px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:9px}
.footer a:hover{color:#fff}
.footer .logo{color:#fff;margin-bottom:14px}
.footer .logo em{color:var(--sky)}
.socials{display:flex;gap:9px;margin-top:14px}
.socials a{
  width:34px;height:34px;border-radius:6px;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;font-size:.78rem;transition:.15s;color:#C9DBEC;
}
.socials a:hover{border-color:var(--sky);color:var(--sky);background:rgba(0,163,255,.12)}
.fbot{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding:18px 0;font-size:.78rem;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#7E9CBB}
.icp{font-size:.75rem;color:#7E9CBB;line-height:1.8}
.news-form{display:flex;gap:8px;margin-top:6px}
.news-form input{flex:1;min-width:0;padding:9px 12px;border:1px solid rgba(255,255,255,.2);border-radius:6px;background:rgba(255,255,255,.07);color:#fff;font-size:.85rem}
.news-form input::placeholder{color:#7E9CBB}
.news-form input:focus{outline:none;border-color:var(--sky)}

/* ---------- 浮动 ---------- */
.float{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:9px}
.float a{
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.05rem;box-shadow:0 8px 22px rgba(10,37,64,.28);transition:.2s;
}
.float a:hover{transform:translateY(-3px)}
.float .wa{background:#25D366}
.float .em{background:var(--blue)}
.float .tp{background:rgba(10,37,64,.55)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,80px);z-index:120;
  background:#fff;border:1px solid var(--blue);border-left:4px solid var(--blue);border-radius:8px;padding:13px 22px;
  font-size:.9rem;box-shadow:var(--shadow-h);opacity:0;transition:.3s;pointer-events:none;color:var(--navy);
}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .mega{min-width:540px}
  .steps{grid-template-columns:repeat(3,1fr)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .hero .container{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:2.15rem}
  .detail-top{grid-template-columns:1fr;gap:30px}
  .nav,.tel{display:none}
  .burger{display:block}
  .g3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero-specs{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .section{padding:52px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .fg{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .topstrip-left{display:none}
  .topstrip .container{justify-content:flex-end}
  .mega{min-width:auto;grid-template-columns:1fr;position:static;box-shadow:none;border:none;padding:6px 0 0;background:none}
  .nav-item.open .mega{display:block}
  .info-grid{grid-template-columns:1fr}
}
[dir=rtl] .float{right:auto;left:18px}
[dir=rtl] .spec-tbl th,[dir=rtl] .spec-tbl td{text-align:right}

/* ---------- GDPR 同意勾选 ---------- */
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;line-height:1.6;
  color:var(--ink);font-weight:400;cursor:pointer;padding:12px 14px;
  background:var(--soft,#f4f7fb);border:1px solid var(--line);border-radius:10px}
.consent input[type=checkbox]{width:18px;height:18px;flex:0 0 18px;margin-top:2px;
  accent-color:var(--blue,#0066CC);cursor:pointer}
.consent a{color:var(--blue,#0066CC);text-decoration:underline}
.consent.warn{border-color:#e03131;background:#fff5f5}

/* ============================================================
   预渲染静态页专用（build_static.js 生成）
   ============================================================ */
.spec-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:.92rem}
.spec-table th,.spec-table td{border-bottom:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.spec-table th{width:38%;font-weight:600;color:var(--muted);background:var(--bg-2);font-size:.86rem}
.spec-table td{color:var(--navy);font-family:var(--mono);font-size:.88rem}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}

.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;background:#fff;overflow:hidden}
.faq-item summary{padding:14px 18px;cursor:pointer;font-weight:600;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';color:var(--blue);font-weight:700;font-size:1.1rem}
.faq-item[open] summary::after{content:'–'}
.faq-item p{margin:0;padding:0 18px 16px;color:var(--muted);line-height:1.75}

ul.tick{list-style:none;padding:0;margin:12px 0 0}
ul.tick li{position:relative;padding-left:24px;margin-bottom:9px;line-height:1.65;color:var(--ink)}
ul.tick li::before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:700}

.eyebrow a,.crumb a{color:inherit}
h2 a{color:inherit}