/* ============================================================
   巨瀚阀门 · 站点主样式
   风格：工程图纸方向（深钢蓝 / 图纸网格 / 尺寸线标注 / 等宽编号）
   设计基准：1440 宽 / 内容区 1200 / 12 列 24 间距
   ============================================================ */

:root{
  --navy:#0E2A47;        /* 主色 深钢蓝 */
  --navy-2:#0A1E34;
  --blue:#2E7FB8;        /* 辅色 钢青 */
  --blue-dk:#1B4B8F;     /* 图纸标注蓝 */
  --ink:#12253D;
  --body:#3F5568;
  --muted:#78899B;
  --line:#DCE3EB;
  --line-2:#EAEFF4;
  --paper:#FFFFFF;
  --paper-2:#F4F7FA;
  --gold:#B08A48;        /* 哑铜金，面积 <5% */
  --red:#E62131;         /* 标志红，仅用于商标图形与必填星号 */
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --wrap:1200px;
  --r:4px;

  /* 兼容旧变量名 */
  --ink-2:#2C3E52;
  --gray:#78899B;
  --gray-2:#8B9AAB;
  --bg-soft:#F4F7FA;
  --bg-stock:#EEF2F6;
  --brand:#0E2A47;
  --brand-dark:#133756;
  --brand-soft:#EAF2F8;
  --steel:#0E2A47;
  --steel-2:#0A1E34;
  --radius:4px;
  --shadow-1:0 10px 26px rgba(14,42,71,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--body);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-wrap:break-word;
}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;letter-spacing:-.2px;line-height:1.35}
p{margin:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
button{font-family:inherit}
strong,b{font-weight:600;color:var(--ink)}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.sr-only,.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip:focus{left:12px;top:12px;width:auto;height:auto;clip:auto;background:#fff;padding:10px 16px;z-index:999;margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);letter-spacing:.02em}
.ico{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ---------- 顶部信息栏 ---------- */
.topbar{background:var(--navy);color:rgba(255,255,255,.74);font-size:12.5px}
.topbar .wrap{display:flex;align-items:center;gap:18px;min-height:44px;padding-top:6px;padding-bottom:6px}
.tb-brand{display:flex;align-items:center;gap:9px;color:#fff;font-size:13px;letter-spacing:.3px}
.tb-mark{width:21px;height:20px;flex:none;display:block}
.tb-split{width:1px;height:12px;background:rgba(255,255,255,.22)}
.tb-say{font-size:12.5px;color:rgba(255,255,255,.62);letter-spacing:.2px}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.tb-note{font-size:11.5px;color:rgba(255,255,255,.48);padding-right:10px;border-right:1px solid rgba(255,255,255,.16)}
.tb-tel{display:inline-flex;align-items:center;gap:7px;color:#fff;font-family:var(--mono);font-size:15px;font-weight:500}
.tb-tel:hover{color:#EBD3A3}
.tb-tel .ico{width:15px;height:15px;stroke-width:1.9}

/* ---------- 主导航 ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:6px;min-height:66px;position:relative}
.nav-logo{display:flex;align-items:center;gap:11px;margin-right:22px}
.nav-mark{width:37px;height:36px;flex:none;display:block}
.nav-logo b{font-size:15.5px;letter-spacing:.4px;color:var(--ink);display:block;line-height:1.25}
.nav-logo i{font-style:normal;font-size:10px;letter-spacing:.4px;color:var(--muted);line-height:1.45;display:block;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none}
.nav-list>li{position:relative}
.nav-list>li>a{display:inline-flex;align-items:center;gap:5px;padding:22px 14px;font-size:14px;color:#2C3E52;border-bottom:2px solid transparent;white-space:nowrap}
.nav-list>li>a:hover{color:var(--navy);border-bottom-color:var(--blue)}
.nav-list>li.on>a,.nav-list>li>a[aria-current="page"]{color:var(--navy);font-weight:600;border-bottom-color:var(--navy)}
.nav-list .caret{width:8px;height:8px;stroke-width:2;opacity:.45;transform:rotate(90deg)}
.dd{position:absolute;left:0;top:100%;min-width:228px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--navy);box-shadow:0 14px 30px rgba(14,42,71,.11);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;z-index:10}
.nav-list>li:hover .dd,.nav-list>li:focus-within .dd{opacity:1;visibility:visible;transform:translateY(0)}
.dd a{display:block;padding:9px 18px;font-size:13.5px;color:#3C4E62}
.dd a:hover{background:var(--paper-2);color:var(--navy)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-tools .btn{min-height:44px;padding:0 18px;font-size:13.5px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);padding:9px 10px;border-radius:2px;color:var(--navy);cursor:pointer;align-items:center}
.burger span{display:block;width:18px;height:1.5px;background:currentColor;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor}
.burger span::before{top:-5px}
.burger span::after{top:5px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;font-size:15px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;transition:.18s;text-align:center}
.btn-primary,.btn--brand,.btn--steel{background:var(--navy);color:#fff;font-weight:500;box-shadow:0 6px 16px rgba(14,42,71,.16)}
.btn-primary:hover,.btn--brand:hover,.btn--steel:hover{background:#133756;color:#fff;transform:translateY(-1px)}
.btn-ghost,.btn--ghost{background:#fff;color:var(--navy);border-color:#C6D3E0}
.btn-ghost:hover,.btn--ghost:hover{border-color:var(--blue);color:var(--blue-dk);background:#fff}
.btn--on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn--on-dark:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.btn--lg{min-height:52px;padding:0 28px;font-size:15.5px}
.btn--sm{min-height:44px;padding:0 16px;font-size:13.5px}
.btn .ico{width:17px;height:17px}

/* ---------- 首屏 ---------- */
.hero{position:relative;padding:60px 0 0;overflow:hidden;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:64px 64px;background-position:center top}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 70% 0%,rgba(255,255,255,0) 30%,rgba(255,255,255,.82) 78%,#fff 100%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.fig-no{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:10.5px;letter-spacing:1.8px;color:var(--blue-dk);margin-bottom:16px}
.fig-no::before{content:"";width:26px;height:1px;background:var(--blue-dk);opacity:.6}
.hero h1{font-size:44px;line-height:1.24;letter-spacing:-.8px;font-weight:700;color:var(--ink)}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap;z-index:0}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:9px;background:rgba(176,138,72,.22);z-index:-1}
.hero-lead{font-size:15.5px;line-height:1.85;color:#4A5F73;margin-top:20px;max-width:540px}
.hero-lead b{color:var(--ink);font-weight:600}
.hero-cta{display:flex;align-items:center;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-free{display:flex;align-items:center;margin-top:22px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;list-style:none;padding:0}
.hero-free li{display:inline-flex;align-items:center;gap:6px;padding-right:14px;margin-right:14px;border-right:1px solid var(--line)}
.hero-free li:last-child{border:0;margin:0;padding:0}
.hero-free .ico{width:14px;height:14px;color:var(--blue);stroke-width:2.2}

/* 图纸框：尺寸线共用一套坐标，两条线在左上角共点 */
.figbox{position:relative;--fx:30px;--fy:16px;--fl:44px;--fr:26px;--fb:40px;padding:30px var(--fr) var(--fb) var(--fl)}
.figbox img{width:100%;aspect-ratio:5/4;object-fit:cover;filter:saturate(.94) contrast(1.04);border:1px solid var(--line)}
.dim{position:absolute;background:var(--blue-dk);opacity:.55}
.dim-h{left:var(--fx);right:var(--fr);top:var(--fy);height:1px;transform:scaleX(0);transform-origin:left}
.dim-v{left:var(--fx);top:var(--fy);bottom:var(--fb);width:1px;transform:scaleY(0);transform-origin:top}
.dim-h::after{content:"";position:absolute;right:0;top:-4px;width:1px;height:9px;background:var(--blue-dk)}
.dim-v::after{content:"";position:absolute;left:-4px;bottom:0;width:9px;height:1px;background:var(--blue-dk)}
.in .dim-h{transform:scaleX(1);transition:transform 1.1s cubic-bezier(.2,.7,.3,1) .15s}
.in .dim-v{transform:scaleY(1);transition:transform .9s cubic-bezier(.2,.7,.3,1) .5s}
.dim-lab{position:absolute;font-family:var(--mono);font-size:9.5px;letter-spacing:.6px;color:var(--blue-dk);background:#fff;padding:0 5px;white-space:nowrap}
.dim-lab.top{top:var(--fy);left:calc((var(--fx) + 100% - var(--fr)) / 2);transform:translate(-50%,-50%)}
.dim-lab.left{left:var(--fx);top:50%;transform:translate(-50%,-50%) rotate(180deg);writing-mode:vertical-rl}
.figcap{position:absolute;left:var(--fl);bottom:12px;font-family:var(--mono);font-size:9.5px;letter-spacing:.4px;color:var(--muted)}
.figtag{position:absolute;right:var(--fr);top:-1px;z-index:2;background:var(--navy);color:#fff;font-family:var(--mono);font-size:10px;letter-spacing:.8px;padding:5px 10px}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;margin-top:56px;display:block}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);padding:0 32px}
.stats .wrap>div{padding:22px 0 20px 24px;border-right:1px solid var(--line-2)}
.stats .wrap>div:last-child{border-right:0}
.stats b{display:block;font-family:var(--mono);font-size:26px;line-height:1.15;color:var(--navy);font-weight:600;letter-spacing:-.5px}
.stats b i{font-style:normal;font-size:14px;color:var(--gold);margin-left:2px}
.stats span{display:block;font-size:12px;color:var(--muted);margin-top:4px;letter-spacing:.3px}
.stats--4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stats--4>div{padding:22px 20px 20px;border-right:1px solid var(--line-2)}
.stats--4>div:last-child{border-right:0}

/* ---------- 区块 ---------- */
section{scroll-margin-top:80px}
.sec,.section{padding:84px 0}
.sec.tight,.section--tight{padding:64px 0}
.sec.gray,.section--soft{background:var(--paper-2)}
.sec.dark{background:var(--navy);color:rgba(255,255,255,.72);position:relative;overflow:hidden}
.section--line{border-top:1px solid var(--line)}
.shead{position:relative;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:38px}
.shead-no{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:10.5px;letter-spacing:1.6px;color:var(--blue-dk);margin-bottom:12px}
.shead-no::before{content:"";width:18px;height:1px;background:currentColor;opacity:.55}
.shead-no b{color:var(--gold);font-weight:600}
.shead h2{font-size:29px;line-height:1.4;letter-spacing:-.4px;max-width:820px}
.shead p{font-size:14.5px;color:var(--muted);margin-top:10px;max-width:760px}
.shead-more{position:absolute;right:0;bottom:24px;font-size:13.5px;color:var(--blue-dk);white-space:nowrap;border-bottom:1px solid rgba(27,75,143,.3);line-height:1.6}
.shead-more:hover{color:var(--navy);border-color:var(--navy)}

/* 内页区块头（兼容旧 .sec-head） */
.sec-head{margin-bottom:38px;max-width:820px;position:relative;padding-bottom:24px;border-bottom:1px solid var(--line)}
.sec-head .eyebrow{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:10.5px;letter-spacing:1.6px;color:var(--blue-dk);margin-bottom:12px}
.sec-head .eyebrow::before{content:"";width:18px;height:1px;background:currentColor;opacity:.55}
.sec-head h2{font-size:29px;line-height:1.4;letter-spacing:-.4px;margin-bottom:0}
.sec-head p{font-size:14.5px;color:var(--muted);margin-top:10px;margin-bottom:0}
.sec-head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;max-width:none}
.sec-head--row .more{font-size:13.5px;color:var(--blue-dk);white-space:nowrap;border-bottom:1px solid rgba(27,75,143,.3);padding-bottom:6px;flex:none}
.sec-head--row .more:hover{color:var(--navy);border-color:var(--navy)}

/* ---------- 询价助手 ---------- */
.matcher{display:grid;grid-template-columns:.72fr 1.28fr;border:1px solid var(--line);background:#fff}
.matcher-l{padding:38px 36px;border-right:1px solid var(--line);background:var(--paper-2);position:relative}
.matcher-l h3{font-size:21px;line-height:1.45}
.matcher-l p{font-size:13.5px;color:var(--muted);margin-top:10px}
.matcher-l .ml-tag{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:1.2px;color:var(--blue-dk);border:1px solid rgba(27,75,143,.3);padding:2px 7px;margin-bottom:14px}
.matcher-l ul{margin:20px 0 0;padding:0;list-style:none;font-size:12.5px;color:#56697C}
.matcher-l li{display:flex;gap:8px;align-items:flex-start;margin-top:7px}
.matcher-l .ico{width:14px;height:14px;color:var(--blue);margin-top:4px;stroke-width:2.2}
.matcher-r{padding:32px 36px 34px}
.mrow{display:flex;align-items:flex-start;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.mlab{font-family:var(--mono);font-size:11px;letter-spacing:.8px;color:var(--muted);width:58px;flex:none;padding-top:10px}
.mchips{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.mchip{font-size:13px;color:#3C4E62;background:#fff;border:1px solid var(--line);padding:8px 14px;cursor:pointer;transition:.15s;font-family:inherit;min-height:44px;border-radius:2px}
.mchip:hover{border-color:#B8C8D8}
.mchip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.mresult{display:flex;align-items:center;gap:18px;margin-top:20px;padding:16px 18px;background:var(--paper-2);border-left:2px solid var(--blue-dk);flex-wrap:wrap}
.mresult-txt{font-size:13.5px;color:#3C4E62;flex:1;min-width:240px}
.mresult-txt b{color:var(--ink);font-family:var(--mono);font-size:13px}
.mresult .btn{min-height:44px;padding:0 20px;font-size:14px}

/* ---------- 产品卡 ---------- */
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);position:relative;transition:.2s;color:inherit}
.card:hover{border-color:#9FBBD6;box-shadow:0 10px 26px rgba(14,42,71,.07);transform:translateY(-2px);color:inherit}
.card--ico{padding:26px 24px 22px}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px}
.card-top .ico{width:30px;height:30px;color:var(--blue-dk);stroke-width:1.5}
.card-no{font-family:var(--mono);font-size:10px;letter-spacing:1px;color:#B7C4D2}
.card h3{font-size:17.5px;letter-spacing:0;margin-bottom:0}
.card p{font-size:13.5px;color:#57697C;margin-top:8px;line-height:1.7}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px;padding:0;list-style:none}
.chips li{font-family:var(--mono);font-size:10.5px;letter-spacing:.3px;color:#4C6273;background:var(--paper-2);border:1px solid var(--line-2);padding:3px 7px}
.card-link{margin-top:auto;padding-top:14px;border-top:1px solid var(--line-2);font-size:12.5px;color:var(--blue-dk);display:inline-flex;align-items:center;gap:6px}
.card-link .ico{width:13px;height:13px}
.card:hover .card-link{color:var(--navy)}

/* 图片卡（内页沿用） */
.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--bg-stock);border-bottom:1px solid var(--line-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.card-body .card-no{display:block;margin-bottom:6px}
.card-foot{margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--blue-dk);display:inline-flex;align-items:center;gap:6px}
.card:hover .card-foot{color:var(--navy)}
.tagline{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.tag{font-family:var(--mono);font-size:10.5px;letter-spacing:.3px;color:#4C6273;background:var(--paper-2);border:1px solid var(--line-2);padding:3px 7px}
a.tag:hover{border-color:var(--blue);color:var(--blue-dk)}

/* 优势产品线 */
.flag{display:grid;grid-template-columns:1.04fr .96fr;background:#fff;border:1px solid var(--line);border-left:3px solid var(--navy);margin-bottom:20px;overflow:hidden;transition:.22s}
.flag:hover{border-color:#9FBBD6;box-shadow:0 12px 30px rgba(14,42,71,.09)}
.flag-txt{padding:32px 36px 28px}
.flag-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:10px;letter-spacing:1.5px;color:#8D6E33}
.flag-tag::before{content:"";width:16px;height:1px;background:currentColor}
.flag-h{display:flex;align-items:baseline;gap:10px;margin:12px 0 10px;flex-wrap:wrap}
.flag-h h3{font-size:26px;letter-spacing:-.3px}
.flag-h small{font-family:var(--mono);font-size:11px;letter-spacing:1px;color:var(--muted)}
.flag p{font-size:14px;line-height:1.78;color:var(--body);max-width:520px}
.flag-spec{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:20px;padding-top:15px}
.flag-spec div+div{border-left:1px solid var(--line-2);padding-left:14px}
.flag-spec b{display:block;font-family:var(--mono);font-size:16px;color:var(--navy);letter-spacing:-.3px;white-space:nowrap}
.flag-spec span{display:block;font-size:11.5px;color:var(--muted);margin-top:4px}
.flag-go{display:inline-flex;align-items:center;gap:7px;margin-top:18px;font-size:13px;color:var(--blue-dk);border-bottom:1px solid rgba(27,75,143,.3);padding-bottom:2px}
.flag:hover .flag-go{color:var(--navy);border-color:var(--navy)}
.flag-fig{position:relative;overflow:hidden;border-left:1px solid var(--line);min-height:308px}
.flag-fig img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 45%;filter:brightness(1.06) contrast(1.03) saturate(.96)}
.flag-fig::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,30,52,0) 42%,rgba(10,30,52,.55) 100%)}
.flag-note{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:10px 16px;font-family:var(--mono);font-size:9.5px;letter-spacing:.7px;color:rgba(255,255,255,.9);display:flex;justify-content:space-between;gap:10px}
.flag-cor{position:absolute;width:11px;height:11px;border:1px solid rgba(255,255,255,.95);box-shadow:0 0 0 1px rgba(10,30,52,.22);z-index:2}

/* ---------- 深色实力区 ---------- */
.dark .shead{border-bottom-color:rgba(255,255,255,.16)}
.dark .shead h2{color:#fff}
.dark .shead p{color:rgba(255,255,255,.58)}
.dark .shead-no{color:#8FC0E4}
.dark .shead-no b{color:#D8B979}
.dark .shead-more{color:#A8CCE6;border-color:rgba(168,204,230,.35)}
.dark-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:0 36px;margin:0;padding:0}
.fact{padding:20px 0;border-top:1px solid rgba(255,255,255,.13)}
.fact:nth-child(-n+2){border-top:0;padding-top:0}
.fact-h{display:flex;align-items:center;gap:9px;font-size:15px;color:#fff;font-weight:500;margin-bottom:7px}
.fact-h .ico{width:17px;height:17px;color:#7FB6DC;stroke-width:1.8}
.fact p{font-size:13px;line-height:1.72;color:rgba(255,255,255,.66)}
.fact p b{color:#E3D0A6;font-weight:500;font-family:var(--mono);font-size:12.5px}
.dark-fig{position:relative}
.dark-fig img{width:100%;aspect-ratio:4/3.2;object-fit:cover;filter:saturate(.9) contrast(1.05)}
.dark-fig::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.16);pointer-events:none}
.dark-cap{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;letter-spacing:.6px;color:rgba(255,255,255,.45);margin-top:10px;gap:12px}

/* ---------- 场景 ---------- */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.scene{background:#fff;padding:24px 22px 22px;display:flex;flex-direction:column;transition:.18s;position:relative}
.scene:hover{background:var(--paper-2)}
.scene-no{font-family:var(--mono);font-size:10px;letter-spacing:1px;color:#B7C4D2}
.scene h3{font-size:15.5px;margin-top:8px;line-height:1.5}
.scene .who{font-size:11.5px;color:var(--muted);margin-top:5px}
.scene .cfg{font-family:var(--mono);font-size:11px;color:var(--blue-dk);margin-top:14px;padding-top:12px;border-top:1px solid var(--line-2);line-height:1.6}
.scene .ico{width:19px;height:19px;color:var(--blue-dk);position:absolute;right:20px;top:22px;opacity:.35}
.scene:hover .ico{opacity:.8}
.note-sm{font-size:12.5px;color:var(--muted);margin-top:16px}

/* ---------- 表格 ---------- */
.tables{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
.table-wrap table{min-width:520px}
.table-wrap caption{caption-side:top;text-align:left;padding:12px 18px;background:var(--navy);color:#fff;font-family:var(--mono);font-size:10.5px;letter-spacing:.8px;font-weight:400}
.table-wrap th,.table-wrap td{padding:11px 16px;font-size:13px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
.table-wrap thead th{font-family:var(--mono);font-size:10.5px;letter-spacing:.6px;color:var(--muted);font-weight:400;background:#FAFCFD;text-transform:uppercase;white-space:nowrap}
.table-wrap tbody tr:nth-child(even){background:#FBFCFD}
.table-wrap tbody td:first-child{white-space:nowrap}
.table-wrap tbody tr:last-child td{border-bottom:0}
.table-wrap td b,.table-wrap td strong{color:var(--ink);font-weight:600;font-family:var(--mono);font-size:12.5px}
.table-wrap td small{display:block;color:var(--muted);font-size:11.5px;margin-top:2px}
td.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 服务与交付 ---------- */
.svc{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:start}
.svc-list{border-top:1px solid var(--line);margin:0;padding:0}
.svc-item{display:grid;grid-template-columns:196px 1fr;gap:20px;padding:15px 2px;border-bottom:1px solid var(--line-2);font-size:14px;margin:0}
.svc-item dt{color:var(--muted);font-size:13.5px}
.svc-item dd{margin:0;color:#31465A}
.svc-item dd b{color:var(--ink);font-weight:600}
.svc-side{border:1px solid var(--line);background:var(--paper-2);padding:26px 24px}
.svc-side h3{font-size:15px;margin-bottom:6px}
.svc-side p{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.svc-side img{width:100%;aspect-ratio:1400/1050;object-fit:cover;border:1px solid var(--line)}
.svc-side .addr{display:flex;gap:8px;font-size:12.5px;color:#41586C;margin-top:14px;line-height:1.7}
.svc-side .ico{width:15px;height:15px;color:var(--blue);margin-top:3px;flex:none}

/* ---------- 资料下载 ---------- */
.dl{background:var(--navy-2);color:rgba(255,255,255,.7);padding:44px 0}
.dl .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:center}
.dl h2{font-size:22px;color:#fff;line-height:1.45}
.dl p{font-size:13px;color:rgba(255,255,255,.55);margin-top:8px}
.dl-items{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.15)}
.dl-item{background:var(--navy-2);padding:18px 18px 16px;display:flex;flex-direction:column;gap:8px;transition:.18s}
.dl-item:hover{background:#102A44}
.dl-item .ico{width:20px;height:20px;color:#8FC0E4}
.dl-item b{font-size:13px;color:#fff;font-weight:500;line-height:1.5}
.dl-item span{font-size:11px;color:rgba(255,255,255,.42)}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:.62fr 1.38fr;gap:52px;align-items:start}
.faq-intro h2{font-size:26px;line-height:1.45}
.faq-intro p{font-size:13.5px;color:var(--muted);margin-top:12px}
.faq-intro .btn{margin-top:20px}
.faq-list{border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
details.faq-item{border-bottom:1px solid var(--line);display:block}
details.faq-item summary{display:flex;align-items:flex-start;gap:16px;padding:18px 2px;cursor:pointer;list-style:none;font-size:15px;color:var(--ink);font-weight:500}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary .qno{font-family:var(--mono);font-size:11px;color:var(--blue-dk);padding-top:3px;flex:none}
details.faq-item summary .plus{margin-left:auto;flex:none;width:16px;height:16px;position:relative;margin-top:5px}
details.faq-item summary .plus::before,details.faq-item summary .plus::after{content:"";position:absolute;background:var(--blue-dk);transition:.2s}
details.faq-item summary .plus::before{left:0;top:7.5px;width:16px;height:1.5px}
details.faq-item summary .plus::after{left:7.5px;top:0;width:1.5px;height:16px}
details.faq-item[open] summary .plus::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 34px 20px 38px;font-size:14px;color:#4A5F73;line-height:1.85}
.faq-a p{margin:0 0 .7em}
.faq-a p:last-child{margin:0}
.faq-a b,.faq-a strong{color:var(--ink);font-weight:600}

/* 旧式 details.faq（内页 FAQ）沿用同一视觉 */
details.faq{border-bottom:1px solid var(--line);padding:0;display:block;counter-increment:faqn}
.faq-page{counter-reset:faqn}
details.faq summary{cursor:pointer;list-style:none;display:flex;gap:14px;align-items:flex-start;padding:18px 2px;font-weight:500;font-size:15px;color:var(--ink)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::before{content:"Q" counter(faqn,decimal-leading-zero);font-family:var(--mono);font-size:11px;color:var(--blue-dk);flex:none;padding-top:3px;letter-spacing:.5px}
details.faq summary::after{content:"+";margin-left:auto;color:var(--blue-dk);font-size:18px;line-height:1;flex:none;padding-left:12px;transition:.2s}
details.faq[open] summary::after{content:"–"}
details.faq .faq-body{padding:0 30px 20px 36px;color:#4A5F73;font-size:14px;line-height:1.85}
details.faq .faq-body p:last-child{margin-bottom:0}
details.faq .faq-body strong{color:var(--ink)}

/* ---------- 底部强转化 ---------- */
.convert{background:var(--paper-2);border-top:1px solid var(--line);padding:64px 0}
.convert .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.convert-l h2{font-size:28px;line-height:1.42}
.convert-l .sub{font-size:14px;color:#4A5F73;margin-top:12px;max-width:440px}
.perks{margin:26px 0 0;padding:0;list-style:none;display:grid;gap:11px}
.perks li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#31465A}
.perks .ico{width:17px;height:17px;color:var(--blue-dk);margin-top:4px;stroke-width:2.2}
.convert-tel{display:flex;align-items:center;gap:12px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.convert-tel .ico{width:22px;height:22px;color:var(--navy)}
.convert-tel div span{display:block;font-size:11.5px;color:var(--muted)}
.convert-tel a{font-family:var(--mono);font-size:25px;color:var(--navy);font-weight:600;letter-spacing:-.5px;line-height:1.2}
.convert-wx{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.75}
.convert-wx a{font-family:var(--mono);color:var(--navy);font-weight:600;letter-spacing:-.2px;border-bottom:1px solid var(--line)}
.convert-wx a:hover{border-bottom-color:var(--navy)}

/* ---------- 表单 ---------- */
.form,.form-card{background:#fff;border:1px solid var(--line);padding:28px 26px 24px;position:relative}
.form::before,.form-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--navy)}
.form h3{font-size:18px;margin-bottom:4px}
.form .fsub{font-size:12.5px;color:var(--muted);margin-bottom:20px}
.field{display:grid;grid-template-columns:1fr;margin-bottom:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.f,.field{display:flex;flex-direction:column;gap:5px}
.f label,.field label{font-size:11.5px;color:var(--muted);letter-spacing:.3px;margin-bottom:0;font-weight:400}
.f label i,.field label i{color:var(--red);font-style:normal}
.f input,.f select,.f textarea,.field input,.field select,.field textarea{font-family:inherit;font-size:14px;color:var(--ink);border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:2px;min-height:46px;transition:.15s;width:100%}
.f textarea,.field textarea{min-height:92px;resize:vertical;line-height:1.6}
.f input:focus,.f select:focus,.f textarea:focus,.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(46,127,184,.1)}
.form .btn,.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:11.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-note a{color:var(--blue-dk);text-decoration:underline}
.field .hint{font-size:12px;color:var(--muted);margin-top:4px}
.out-box{margin-top:16px;border:1px dashed #C6D3E0;background:var(--paper-2);padding:14px;font-size:13.5px;white-space:pre-wrap;line-height:1.8;color:var(--ink);display:none}
.out-box.show{display:block}

/* ---------- 页脚 ---------- */
.footer{background:var(--navy);color:rgba(255,255,255,.62);padding:56px 0 0;font-size:13px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.f-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.f-mark{width:33px;height:32px;flex:none;display:block;opacity:.95}
.f-brand .brand-name{color:#fff;font-size:15px;letter-spacing:.5px;display:block;font-weight:600;line-height:1.3}
.f-brand .brand-sub{font-size:10px;letter-spacing:.4px;color:rgba(255,255,255,.42);display:block;white-space:nowrap}
.f-about p{line-height:1.85;font-size:12.5px;margin-bottom:12px;color:rgba(255,255,255,.6)}
.footer h4{font-size:11.5px;color:#fff;letter-spacing:1px;font-family:var(--mono);font-weight:500;margin-bottom:14px;text-transform:uppercase}
.f-links,.f-contact{margin:0;padding:0;list-style:none}
.f-links a{display:block;font-size:13px;color:rgba(255,255,255,.62);padding:4px 0}
.f-links a:hover{color:#fff}
.f-contact li{display:flex;gap:9px;margin-bottom:11px;line-height:1.7;font-size:12.5px}
.f-contact li.tel{margin-bottom:8px}
.f-contact .tel a{color:#fff;font-family:var(--mono);font-size:18px;font-weight:500}
.footer a{color:rgba(255,255,255,.62)}
.footer a:hover{color:#fff}
.f-disclaimer{border-top:1px solid rgba(255,255,255,.1);padding:16px 0 0;font-size:11.5px;color:rgba(255,255,255,.38);line-height:1.85}
.f-legal{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;gap:16px;flex-wrap:wrap;font-size:11.5px;color:rgba(255,255,255,.42);font-family:var(--mono);letter-spacing:.3px;justify-content:space-between}
.f-legal .ids{display:flex;gap:16px;flex-wrap:wrap}
.f-legal a:hover{color:rgba(255,255,255,.75)}

/* ---------- 悬浮转化条 ---------- */
.float{position:fixed;right:22px;bottom:26px;z-index:80;display:flex;flex-direction:column;gap:9px;opacity:0;transform:translateY(10px);transition:.3s;pointer-events:none}
.float.show{opacity:1;transform:none;pointer-events:auto}
.fl-btn{display:flex;align-items:center;justify-content:center;gap:7px;min-width:112px;height:44px;padding:0 13px;background:rgba(10,30,52,.95);color:#fff;font-size:12.5px;border:1px solid rgba(127,182,220,.35);backdrop-filter:blur(6px);transition:.18s}
.fl-btn:hover{background:var(--navy);border-color:rgba(127,182,220,.7)}
.fl-btn .ico{width:16px;height:16px;color:#9FD0EC}
.fl-btn.primary{background:var(--navy);border-color:var(--navy)}
.fl-btn.primary .ico{color:#EBD3A3}

/* ---------- 动效 ---------- */
.rise{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rise,.dim-h,.dim-v{opacity:1!important;transform:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ============================================================
   内页组件
   ============================================================ */
.crumb{font-size:11.5px;font-family:var(--mono);letter-spacing:.6px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:22px}
.crumb a:hover{color:var(--blue-dk)}
.crumb span{color:#C3CEDB}

.page-head{padding:44px 0 0;position:relative;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:64px 64px;background-position:center top}
.page-head::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(120% 90% at 60% 0%,rgba(255,255,255,.2) 30%,rgba(255,255,255,.9) 80%,#fff 100%)}
.page-head .wrap,.page-head .wrap-narrow{position:relative;z-index:1;padding-bottom:40px}
.page-head h1{margin-bottom:14px;font-size:clamp(28px,3.2vw,40px);line-height:1.28;letter-spacing:-.6px}
.page-head .sub{font-size:15.5px;color:#4A5F73;max-width:780px;margin:0}
.prod-hero{padding:44px 0 0;border-bottom:1px solid var(--line)}
.prod-hero .wrap,.prod-hero .wrap-narrow{padding-bottom:44px}

.prose{max-width:860px}
.prose h2{margin:44px 0 0;padding-top:22px;border-top:1px solid var(--line);font-size:23px;line-height:1.45;letter-spacing:-.3px}
.prose h2:first-child{margin-top:0;padding-top:0;border-top:0}
.prose h2+p,.prose h2+ul,.prose h2+ol,.prose h2+div,.prose h2+.tables,.prose h2+.table-wrap{margin-top:16px}
.prose h3{margin:28px 0 0;font-size:17.5px;line-height:1.5}
.prose h3+p{margin-top:8px}
.prose p{margin:12px 0 0;color:var(--body);line-height:1.85}
.prose ul,.prose ol{margin:14px 0 0;padding-left:1.3em}
.prose li{margin:.4em 0;color:var(--body)}
.prose ol.numlist{margin:18px 0 0;padding:0;list-style:none;counter-reset:nl;border-top:1px solid var(--line)}
.prose ol.numlist li{counter-increment:nl;position:relative;margin:0;padding:14px 0 14px 44px;border-bottom:1px solid var(--line);line-height:1.78}
.prose ol.numlist li::before{content:counter(nl,decimal-leading-zero);position:absolute;left:0;top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.8px;color:var(--blue-dk);font-weight:600}
.prose ol.numlist li strong{color:var(--ink)}
.prose .note-src{margin:14px 0 0;font-size:12.5px;color:var(--muted);line-height:1.7;padding-left:12px;border-left:2px solid var(--line-2)}
.prose blockquote{margin:22px 0 0;padding:18px 22px;background:var(--paper-2);border-left:2px solid var(--blue-dk);color:#31465A;font-size:14.5px}
.prose blockquote p{margin:0}
.prose figure{margin:22px 0}
.prose figcaption{font-family:var(--mono);font-size:10.5px;letter-spacing:.4px;color:var(--muted);margin-top:8px}
.prose img{border:1px solid var(--line)}
.prose .table-wrap{margin:18px 0 0}
.prose .toc+.prose{margin-top:0}

.toc{border:1px solid var(--line);background:var(--paper-2);padding:14px 18px;margin:0 0 30px}
.toc b{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:1.2px;color:var(--muted);margin-bottom:8px;font-weight:500}
.toc a{display:inline-block;font-size:13px;margin:3px 14px 3px 0;color:#3C4E62;border-bottom:1px solid rgba(27,75,143,.25)}
.toc a:hover{color:var(--blue-dk);border-color:var(--blue-dk)}

.pills{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 0}
.pills a{font-size:13px;border:1px solid var(--line);padding:8px 14px;color:#3C4E62;min-height:44px;display:inline-flex;align-items:center;background:#fff}
.pills a:hover{border-color:var(--blue);color:var(--blue-dk)}

.prod-layout{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:start}
.gallery-main{border:1px solid var(--line);overflow:hidden;background:#fff}
.gallery-main img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff}
.gallery-thumbs{display:grid;grid-template-columns:repeat(var(--cols,4),minmax(0,1fr));gap:8px;margin-top:8px;
  max-width:calc(var(--cols,4) * 226px + (var(--cols,4) - 1) * 8px)}
.gallery-thumbs button{padding:0;border:1px solid var(--line);overflow:hidden;background:#fff;cursor:pointer;transition:.15s}
.gallery-thumbs button:hover{border-color:#9FBBD6}
.gallery-thumbs button.on{border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy)}
.gallery-thumbs img{aspect-ratio:1/1;object-fit:cover;width:100%}

/* ---------- 缺图占位（补拍后同名替换即消失） ---------- */
.card-media{position:relative}
.card-media.is-ph img,.gallery-main.is-ph img{object-fit:contain;background:#F2F6FA}
.card:hover .card-media.is-ph img{transform:none}
.gallery-main.is-ph{border-color:#C3D2E0}
.gallery-thumbs button.is-ph{border-style:dashed;border-color:#C3D2E0;background:#F2F6FA}
.gallery-thumbs button.is-ph img{object-fit:cover;background:#F2F6FA}
.gallery-thumbs button.is-ph.on{border-color:var(--navy);box-shadow:inset 0 0 0 1px var(--navy)}
.ph-badge{position:absolute;top:10px;left:10px;z-index:2;background:rgba(14,42,71,.9);color:#fff;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.7px;padding:3px 7px;border-radius:2px;pointer-events:none}
.lead{font-size:15.5px;color:#31465A;border-left:2px solid var(--gold);padding-left:16px;margin:0 0 22px;line-height:1.8}
.factlist{list-style:none;padding:0;margin:0 0 22px;border-top:1px solid var(--line)}
.factlist li{display:grid;grid-template-columns:108px 1fr;gap:14px;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:13.5px;margin:0}
.factlist .k{color:var(--muted);font-size:12.5px}
.factlist .v{font-weight:500;color:var(--ink)}

.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.split--rev .split-media{order:2}
.split-media img{border:1px solid var(--line);width:100%}
.split-txt h2{margin-bottom:14px;font-size:26px;line-height:1.42}
.split-txt p{color:var(--body);margin:0 0 12px;line-height:1.8}
.klist{list-style:none;padding:0;margin:18px 0 24px}
.klist li{position:relative;padding-left:24px;margin:9px 0;font-size:14.5px;color:#31465A;line-height:1.75}
.klist li::before{content:"";position:absolute;left:0;top:.7em;width:9px;height:9px;border:1px solid var(--blue-dk);background:rgba(46,127,184,.14)}

.merit{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);overflow:hidden;background:#fff}
.merit > div{padding:26px 24px 28px;border-right:1px solid var(--line)}
.merit > div:last-child{border-right:0}
.merit .num{font-family:var(--mono);font-size:11px;color:var(--blue-dk);letter-spacing:.8em;margin-bottom:12px;display:block}
.merit h3{font-size:17.5px;margin-bottom:8px}
.merit p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.75}
.merit ul{margin:10px 0 0;padding-left:1.1em;font-size:13.5px;color:#4A5F73}

.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.steps > div{position:relative;padding-top:44px;border-top:1px solid var(--line)}
.steps > div::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:12px;left:0;font-family:var(--mono);font-size:11px;color:var(--blue-dk);font-weight:600;letter-spacing:.8px}
.steps h4{font-size:14.5px;margin-bottom:6px}
.steps p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}

.post{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.post-thumb{display:block;aspect-ratio:4/3;overflow:hidden;border:1px solid var(--line);background:var(--bg-stock)}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body h3{margin-bottom:6px;font-size:19px}
.post-body h3 a:hover{color:var(--blue-dk)}
.post-body p{color:var(--muted);font-size:13.5px;margin:0 0 10px;line-height:1.75}
.post-meta{font-family:var(--mono);font-size:10.5px;letter-spacing:.5px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 企业资讯 ---------- */
.nz-cat{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.8px;
  padding:3px 8px;border:1px solid var(--line);background:#fff;color:var(--muted);white-space:nowrap}
.nz-cat--company{color:#8A6A2F;border-color:#E4D6BC;background:#FBF7EF}
.nz-cat--industry{color:#1B4B8F;border-color:#C9D6E2;background:#F2F6FA}
.nz-cat--standard{color:#2F6B5E;border-color:#C8DED8;background:#F0F7F5}
.nz-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}
.nz-count{font-family:var(--mono);font-size:11px;letter-spacing:.6px;color:var(--muted)}
.nz-rss{font-family:var(--mono);font-size:11px;letter-spacing:.6px;color:var(--blue-dk);
  border:1px solid var(--line);padding:5px 12px;background:#fff;transition:.2s}
.nz-rss:hover{border-color:#9FBBD6;background:var(--paper-2)}
.nz-list{border-top:1px solid var(--line)}
.nz-item{display:grid;grid-template-columns:96px minmax(0,1fr);gap:28px;
  padding:28px 0;border-bottom:1px solid var(--line);align-items:start}
.nz-date b{display:block;font-family:var(--mono);font-size:26px;line-height:1;color:var(--ink);font-weight:500}
.nz-date span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.8px;color:var(--muted);margin-top:7px}
.nz-head{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.nz-pin{font-family:var(--mono);font-size:9.5px;letter-spacing:.8px;color:var(--gold);
  border:1px solid #E4D6BC;background:#FBF7EF;padding:2px 6px}
.nz-item h2{font-size:20px;line-height:1.45;margin:0 0 8px}
.nz-item h2 a:hover{color:var(--blue-dk)}
.nz-item p{color:var(--muted);font-size:13.5px;line-height:1.75;margin:0 0 10px}
.nz-more{font-family:var(--mono);font-size:10.5px;letter-spacing:.6px;color:var(--blue-dk)}
.nz-when{font-family:var(--mono);font-size:11px;letter-spacing:.8px;color:var(--muted)}
.nz-tags{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 18px}
.nz-tag{font-size:12px;padding:5px 11px;border:1px solid var(--line);color:var(--body);background:#fff}
.nz-card .card-top{align-items:center}
.nz-card h3{font-size:16.5px;line-height:1.5}
.nz-card p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.notice{border:1px solid var(--line);border-left:2px solid var(--gold);background:#FBF7EF;padding:14px 18px;font-size:13.5px;color:#5B4A16;margin:0 0 22px;line-height:1.8}
.notice--info{border-left-color:var(--blue-dk);background:var(--paper-2);color:#31465A}

.cta{background:var(--navy);color:rgba(255,255,255,.7);position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px}
.cta .wrap{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:32px;padding-top:52px;padding-bottom:52px}
.cta h2{color:#fff;margin-bottom:8px;font-size:clamp(21px,2.3vw,28px);line-height:1.4}
.cta p{margin:0;color:rgba(255,255,255,.6);font-size:14px}
.cta-actions{display:flex;gap:18px;flex-wrap:wrap;flex:none;align-items:center}
.cta-tel{display:flex;flex-direction:column}
.cta-tel small{color:rgba(255,255,255,.45);font-size:10.5px;letter-spacing:.8px;font-family:var(--mono)}
.cta-tel b{font-family:var(--mono);font-size:clamp(20px,2.4vw,26px);color:#fff;font-weight:500}

.err{padding:110px 0;text-align:center}
.err b{font-family:var(--mono);font-size:96px;color:var(--navy);line-height:1;display:block;letter-spacing:-.04em}
.err p{color:var(--muted);margin-top:12px}

/* 移动端底部条 */
.m-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));grid-template-columns:1fr 1fr 1.2fr;gap:8px}
.m-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:48px;font-size:12px;border:1px solid var(--line);color:#31465A}
.m-bar a .i{font-size:15px;line-height:1}
.m-bar a.pri{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:500}
body{padding-bottom:0}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1240px){
  .hero .wrap{gap:36px}
  .hero h1{font-size:40px}
  .scenes{grid-template-columns:repeat(2,1fr)}
  .nav-list>li>a{padding:22px 11px;font-size:13.5px}
}
@media (max-width:1080px){
  .wrap,.wrap-narrow{padding:0 24px}
  .stats .wrap{padding:0 24px}
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .figbox{--fx:24px;--fy:12px;--fl:38px;--fr:20px;--fb:36px;padding:26px var(--fr) var(--fb) var(--fl);max-width:640px}
  .stats .wrap{grid-template-columns:repeat(3,1fr)}
  .stats .wrap>div:nth-child(3){border-right:0}
  .grid3,.grid--3{grid-template-columns:1fr 1fr}
  .grid4,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flag{grid-template-columns:1fr}
  .flag-fig{border-left:0;border-top:1px solid var(--line);min-height:250px;order:-1}
  .dark-grid,.matcher,.svc,.faq,.convert .wrap,.dl .wrap{grid-template-columns:1fr;gap:34px}
  .matcher-l{border-right:0;border-bottom:1px solid var(--line)}
  .tables{grid-template-columns:1fr;gap:24px}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-list{display:none}
  .nav-list.open{display:flex;flex-direction:column;align-items:stretch;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 0;box-shadow:0 12px 24px rgba(14,42,71,.1);max-height:78vh;overflow:auto}
  .nav-list.open>li>a{padding:13px 24px;border-bottom:1px solid var(--line-2)}
  .nav-list.open .dd{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-top:1px solid var(--line-2);padding:4px 0 8px}
  .nav-list.open .dd a{padding-left:38px}
  .burger{display:inline-flex}
  .nav-tools{display:none}
  .prod-layout{grid-template-columns:1fr;gap:30px}
  .merit{grid-template-columns:1fr}
  .merit > div{border-right:0;border-bottom:1px solid var(--line)}
  .merit > div:last-child{border-bottom:0}
  .faq-grid{grid-template-columns:1fr}
  .split{gap:32px}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 20px}
}
@media (max-width:860px){
  .split{grid-template-columns:1fr}
  .split--rev .split-media{order:0}
  .cta .wrap{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  body{font-size:15px}
  .topbar .wrap{flex-wrap:wrap;gap:8px;min-height:0;padding-top:9px;padding-bottom:9px}
  /* 分隔线与副标一起收起，避免窄屏留一根孤立的竖线 */
  .tb-say,.tb-note,.tb-split{display:none}
  .tb-right{margin-left:auto}
  .tb-tel{font-size:15px}
  .hero{padding-top:34px}
  .hero h1{font-size:30px;letter-spacing:-.4px}
  .hero-lead{font-size:14.5px}
  .hero-free{gap:2px 16px}
  .hero-free li{border-right:0;margin-right:0;padding-right:0}
  .sec,.section{padding:56px 0}
  .sec.tight,.section--tight{padding:44px 0}
  .shead,.sec-head{padding-bottom:18px;margin-bottom:26px}
  .shead h2,.sec-head h2{font-size:22px}
  .shead p,.sec-head p{font-size:13.5px}
  .shead-more{position:static;display:inline-block;margin-top:12px;font-size:12.5px}
  .sec-head--row{flex-direction:column;align-items:flex-start;gap:8px}
  .grid3,.grid--2,.grid--3{grid-template-columns:1fr}
  .flag-txt{padding:24px 20px 22px}
  .flag-h h3{font-size:21px}
  .flag-spec{grid-template-columns:1fr 1fr;gap:14px 0;margin-top:16px;padding-top:14px}
  .flag-spec div+div{border-left:0;padding-left:0}
  .flag-spec div:nth-child(even){border-left:1px solid var(--line-2);padding-left:12px}
  .flag-spec b{font-size:15px}
  .flag-fig{min-height:196px}
  .scenes{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stats .wrap>div{padding:16px 0 16px 24px}
  .stats b{font-size:22px}
  .stats .wrap>div:nth-child(odd){border-right:1px solid var(--line-2)}
  .stats .wrap>div:nth-child(even){border-right:0}
  .stats .wrap>div:last-child{grid-column:1 / -1;border-right:0}
  .stats--4{grid-template-columns:1fr 1fr}
  .stats--4>div:nth-child(2n){border-right:0}
  .stats--4>div{border-bottom:1px solid var(--line-2)}
  .form-row{grid-template-columns:1fr}
  .svc-item{grid-template-columns:1fr;gap:4px}
  .dl-items{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr}
  .float{display:none}
  .m-bar{display:grid}
  body{padding-bottom:68px}
  .facts{grid-template-columns:1fr}
  .fact:nth-child(2){border-top:1px solid rgba(255,255,255,.13);padding-top:20px}
  .matcher-r{padding:24px 20px}
  .mrow{flex-direction:column;align-items:flex-start;gap:9px;margin-bottom:16px}
  .mlab{width:auto;padding-top:0}
  .mresult{padding:14px}
  .page-head,.prod-hero{padding-top:28px}
  .page-head .wrap,.page-head .wrap-narrow{padding-bottom:28px}
  .post{grid-template-columns:1fr;gap:14px}
  .post-thumb{aspect-ratio:16/9}
  .nz-item{grid-template-columns:1fr;gap:10px;padding:24px 0}
  .nz-date{display:flex;align-items:baseline;gap:8px}
  .nz-date b{font-size:18px}
  .nz-date span{margin-top:0}
  .nz-item h2{font-size:18px}
  .steps{grid-template-columns:1fr 1fr}
  .prose h2{font-size:20px;margin-top:34px;padding-top:18px}
  .table-wrap table{min-width:0;font-size:12.5px}
  .table-wrap--wide table{min-width:560px}
  .table-wrap th,.table-wrap td{padding:10px 12px}
  .table-wrap tbody td:first-child{white-space:normal}
  .f-legal{flex-direction:column;gap:10px}
  .convert-tel a{font-size:21px}
}
@media (max-width:400px){
  .wrap,.wrap-narrow{padding:0 18px}
  .hero h1{font-size:26px}
  .btn{padding:0 18px;font-size:14px}
  .steps{grid-template-columns:1fr}
  .gallery-thumbs{grid-template-columns:repeat(var(--cols-m,3),minmax(0,1fr));max-width:none}
}