/* ==========================================================================
   纳勒传动 NAL Drives — 全站样式
   ========================================================================== */

:root{
  --navy-900:#0B2038;
  --navy-800:#10305C;
  --navy-700:#1F467F;   /* 品牌主色（取自样本） */
  --navy-600:#2A5599;
  --blue-500:#2E6BD6;
  --blue-400:#4A86D8;
  --blue-50:#EDF3FC;

  --ink:#101827;
  --body:#4E5965;
  --muted:#7A8794;
  --line:#E2E8F0;
  --line-dark:rgba(255,255,255,.16);

  --bg:#FFFFFF;
  --bg-soft:#F5F7FA;
  --bg-soft2:#EDF1F7;

  --shadow-sm:0 1px 2px rgba(16,32,56,.06), 0 2px 8px rgba(16,32,56,.05);
  --shadow-md:0 8px 24px rgba(16,32,56,.10);
  --shadow-lg:0 20px 48px rgba(11,32,56,.16);

  --radius:4px;
  --radius-lg:8px;
  --wrap:1280px;
  --gutter:32px;

  --font:"Inter","Segoe UI",-apple-system,BlinkMacSystemFont,"PingFang SC",
         "Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",
         Roboto,Helvetica,Arial,sans-serif;

  --header-h:76px;
  --topbar-h:38px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--body);background:var(--bg);
  font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.22;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--blue-400);outline-offset:2px}

/* ------------------------------------------------------------------ 布局 */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--soft{background:var(--bg-soft)}
.section--navy{background:var(--navy-800);color:#C9D6E6}
.section--navy h2,.section--navy h3{color:#fff}

.grid{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* ------------------------------------------------------------- 标题组件 */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--blue-500);margin-bottom:16px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--blue-500);display:block}
.section--navy .eyebrow{color:#8FB6F0}
.section--navy .eyebrow::before{background:#8FB6F0}
.h-xl{font-size:clamp(30px,4.4vw,54px)}
.h-lg{font-size:clamp(26px,3.2vw,40px)}
.h-md{font-size:clamp(21px,2.2vw,28px)}
.lead{font-size:clamp(15px,1.4vw,17.5px);line-height:1.8;color:var(--body);max-width:64ch}
.section--navy .lead{color:#B9C9DD}
.sec-head{max-width:790px;margin-bottom:52px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center .eyebrow{justify-content:center}
.sec-head--center .lead{margin-left:auto;margin-right:auto}
.sec-head--split{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap}
.sec-head--split .sec-head__txt{max-width:760px}
.u-blue{color:var(--blue-500)}

/* ---------------------------------------------------------------- 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 28px;border-radius:var(--radius);font-size:14.5px;font-weight:600;
  letter-spacing:.02em;transition:.22s ease;white-space:nowrap;border:1.5px solid transparent;
}
.btn svg{flex:none;transition:transform .22s ease}
.btn:hover svg{transform:translateX(4px)}
.btn--primary{background:var(--blue-500);color:#fff;box-shadow:0 6px 18px rgba(46,107,214,.28)}
.btn--primary:hover{background:#2559B8;box-shadow:0 10px 26px rgba(46,107,214,.36);transform:translateY(-1px)}
.btn--navy{background:var(--navy-700);color:#fff}
.btn--navy:hover{background:var(--navy-800);transform:translateY(-1px)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn--outline{border-color:var(--line);color:var(--navy-700);background:#fff}
.btn--outline:hover{border-color:var(--navy-700);background:var(--navy-700);color:#fff}
.btn--sm{height:40px;padding:0 18px;font-size:13.5px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

.arrow-link{
  display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:700;
  color:var(--blue-500);letter-spacing:.02em;
}
.arrow-link svg{transition:transform .22s ease}
.arrow-link:hover svg{transform:translateX(5px)}
.section--navy .arrow-link{color:#8FB6F0}

/* --------------------------------------------------------------- 顶栏 */
.topbar{
  background:var(--navy-900);color:#9FB3CB;font-size:12.5px;
  height:var(--topbar-h);display:flex;align-items:center;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar__left{display:flex;align-items:center;gap:26px;flex-wrap:wrap;min-width:0}
.topbar__item{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.topbar__item a:hover{color:#fff}
.topbar__item svg{opacity:.7;flex:none}
.topbar__right{display:flex;align-items:center;gap:18px;flex:none}
.topbar__flag{display:inline-flex;align-items:center;gap:7px}

/* 语言切换 */
.lang{display:inline-flex;align-items:center;background:rgba(255,255,255,.08);border-radius:999px;padding:3px;gap:2px;flex:none}
.lang button{
  padding:4px 13px;border-radius:999px;font-size:12px;font-weight:600;color:#B9C9DD;
  transition:.18s;letter-spacing:.03em;
}
.lang button.is-active{background:#fff;color:var(--navy-800)}
.lang button:hover:not(.is-active){color:#fff}

/* --------------------------------------------------------------- 页头 */
.header{
  position:sticky;top:0;z-index:900;background:var(--navy-700);
  transition:box-shadow .25s ease, background .25s ease;
}
.header.is-stuck{box-shadow:0 4px 22px rgba(11,32,56,.22)}
.header .wrap{display:flex;align-items:center;gap:18px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:14px;flex:none}
.brand img{height:42px;width:auto}
.brand__txt{display:flex;flex-direction:column;line-height:1.15;border-left:1px solid rgba(255,255,255,.22);padding-left:14px}
.brand__cn{color:#fff;font-size:16.5px;font-weight:700;letter-spacing:.09em}
.brand__en{color:#9FB9DC;font-size:10.5px;letter-spacing:.19em;font-weight:600}

.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav>li{position:relative}
.nav>li>a{
  display:flex;align-items:center;gap:6px;height:var(--header-h);padding:0 17px;
  color:#DCE6F3;font-size:14.5px;font-weight:500;letter-spacing:.02em;transition:.2s;
}
.nav>li>a::after{
  content:"";position:absolute;left:17px;right:17px;bottom:16px;height:2px;
  background:#fff;transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav>li>a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav>li>a:hover::after,.nav>li.is-active>a::after{transform:scaleX(1)}
.nav>li.is-active>a{color:#fff;font-weight:600}
.nav .caret{transition:transform .2s;opacity:.72}
.nav>li:hover .caret{transform:rotate(180deg);opacity:1}

.dropdown{
  position:absolute;top:100%;left:0;min-width:250px;background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.22s ease;border-top:3px solid var(--blue-500);
}
.nav>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;
  border-radius:var(--radius);font-size:14px;color:var(--ink);font-weight:500;transition:.16s;
}
.dropdown a:hover{background:var(--blue-50);color:var(--blue-500)}
.dropdown a span{font-size:11px;color:var(--muted);font-weight:400;letter-spacing:.04em}

.header__cta{margin-left:10px;flex:none}
.header__search{
  width:42px;height:42px;display:grid;place-items:center;border-radius:50%;
  color:#DCE6F3;transition:.2s;
}
.header__search:hover{background:rgba(255,255,255,.12);color:#fff}

.burger{display:none;width:46px;height:46px;border-radius:6px;position:relative;flex:none}
.burger span{
  position:absolute;left:11px;width:24px;height:2px;background:#fff;border-radius:2px;
  transition:.26s cubic-bezier(.2,.8,.3,1);
}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:22px}
.burger span:nth-child(3){top:29px}
body.nav-open .burger span:nth-child(1){top:22px;transform:rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){top:22px;transform:rotate(-45deg)}

/* 移动菜单 */
.mobile-nav{
  position:fixed;inset:0;z-index:880;background:var(--navy-800);
  transform:translateX(100%);transition:transform .32s cubic-bezier(.2,.8,.3,1);
  padding:calc(var(--header-h) + var(--topbar-h) + 20px) 0 40px;overflow-y:auto;
}
body.nav-open .mobile-nav{transform:translateX(0)}
.mobile-nav ul{padding:0 26px}
.mobile-nav li{border-bottom:1px solid rgba(255,255,255,.1)}
.mobile-nav li>a{display:block;padding:17px 4px;color:#E6EDF7;font-size:17px;font-weight:600}
.mobile-nav li ul{border:0;padding:0 0 12px 14px}
.mobile-nav li ul li{border:0}
.mobile-nav li ul li>a{padding:9px 0;font-size:14.5px;font-weight:400;color:#A9BEDB}
.mobile-nav__foot{padding:26px;display:flex;flex-direction:column;gap:14px}

/* ------------------------------------------------------------------ Hero */
.hero{position:relative;background:var(--navy-900);overflow:hidden}
.hero__slides{position:relative;height:clamp(520px,74vh,760px)}
.hero__slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .9s ease, visibility .9s;display:flex;align-items:center;
}
.hero__slide.is-active{opacity:1;visibility:visible}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,24,44,.94) 0%,rgba(11,40,74,.86) 42%,rgba(16,48,92,.55) 72%,rgba(16,48,92,.3) 100%);
}
.hero__inner{position:relative;z-index:2;width:100%}
.hero__box{max-width:660px;color:#fff}
.hero__eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:#9CC0F5;margin-bottom:20px;
}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,56px);line-height:1.14;letter-spacing:-.02em}
.hero__sub{margin-top:22px;font-size:clamp(15px,1.5vw,18px);color:#C4D3E6;line-height:1.72;max-width:56ch}
.hero .btn-row{margin-top:36px}
.hero__kpis{
  position:relative;z-index:3;background:rgba(6,20,38,.72);backdrop-filter:blur(8px);
  border-top:1px solid rgba(255,255,255,.12);
}
.hero__kpis .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12)}
.kpi{padding:24px 22px;background:rgba(6,20,38,.6)}
.kpi b{display:block;color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.kpi span{display:block;margin-top:7px;color:#93AECF;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase}
.hero__ctrl-wrap{position:absolute;left:0;right:0;bottom:40px;z-index:6;pointer-events:none}
.hero__ctrl-wrap .wrap{display:flex;justify-content:flex-end}
.hero__ctrl{display:flex;align-items:center;gap:16px;pointer-events:auto}
.hero__dots{display:flex;gap:9px}
.hero__dots button{width:34px;height:3px;border-radius:2px;background:rgba(255,255,255,.32);transition:.25s}
.hero__dots button.is-active{background:#fff;width:52px}
.hero__arrows{display:flex;gap:8px}
.hero__arrows button{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.4);border-radius:50%;
  display:grid;place-items:center;color:#fff;transition:.22s;
}
.hero__arrows button:hover{background:#fff;color:var(--navy-800);border-color:#fff}

/* 内页 hero */
.page-hero{
  position:relative;background:var(--navy-800);color:#fff;padding:92px 0 78px;overflow:hidden;
}
.page-hero__bg{position:absolute;inset:0;opacity:.28}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(9,30,56,.95),rgba(16,48,92,.72));
}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:clamp(28px,3.6vw,46px)}
.page-hero p{margin-top:18px;color:#BACCE2;max-width:66ch;font-size:16px}
.crumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:#8FA9C9;margin-bottom:20px;letter-spacing:.04em}
.crumb a:hover{color:#fff}
.crumb span{opacity:.5}

/* -------------------------------------------------------------- 价值卡 */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value{
  position:relative;padding:36px 32px 34px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);transition:.26s ease;overflow:hidden;
}
.value::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--blue-500);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.value:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.value:hover::before{transform:scaleX(1)}
.value__ico{
  width:56px;height:56px;border-radius:12px;background:var(--blue-50);color:var(--navy-700);
  display:grid;place-items:center;margin-bottom:22px;
}
.value h3{font-size:21px;margin-bottom:10px}
.value p{font-size:14.5px;line-height:1.75}
.value__en{display:block;margin-top:16px;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600}

/* -------------------------------------------------------------- 产品卡 */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pcard{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;transition:.26s ease;
}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent}
.pcard__media{
  position:relative;aspect-ratio:4/3;background:linear-gradient(160deg,#F7F9FC,#E9EEF6);
  display:grid;place-items:center;padding:26px;overflow:hidden;
}
.pcard__media img{max-height:100%;width:auto;max-width:100%;object-fit:contain;transition:transform .4s ease;mix-blend-mode:multiply}
.pcard:hover .pcard__media img{transform:scale(1.06)}
.pcard__badge{
  position:absolute;left:14px;top:14px;background:var(--navy-700);color:#fff;font-size:11px;
  font-weight:700;letter-spacing:.08em;padding:5px 11px;border-radius:3px;
}
.pcard__body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.pcard__code{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--blue-500);text-transform:uppercase}
.pcard h3{font-size:18.5px;margin:9px 0 10px}
.pcard p{font-size:13.8px;line-height:1.72;flex:1}
.pcard__specs{display:flex;gap:18px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.pcard__specs div{font-size:11.5px;color:var(--muted);letter-spacing:.03em}
.pcard__specs b{display:block;color:var(--ink);font-size:14.5px;letter-spacing:0;margin-top:2px}
.pcard__more{margin-top:18px}

/* 产品详情行 */
.pdetail{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center;
  padding:64px 0;border-bottom:1px solid var(--line);
}
.pdetail:nth-child(even) .pdetail__media{order:2}
.pdetail__media{
  background:linear-gradient(160deg,#F7F9FC,#E8EEF7);border-radius:var(--radius-lg);
  padding:34px;display:grid;place-items:center;min-height:340px;
}
.pdetail__media img{max-height:320px;width:auto;mix-blend-mode:multiply}
.pdetail__tag{
  display:inline-block;background:var(--blue-50);color:var(--navy-700);font-size:11.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;padding:6px 12px;border-radius:3px;margin-bottom:16px;
}
.pdetail h3{font-size:28px;margin-bottom:16px}
.pdetail .lead{font-size:15.5px}
.feat-list{margin-top:24px;display:grid;gap:12px}
.feat-list li{display:flex;gap:12px;font-size:14.5px;line-height:1.7}
.feat-list svg{flex:none;margin-top:5px;color:var(--blue-500)}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.chip{
  font-size:12.5px;padding:6px 13px;border:1px solid var(--line);border-radius:999px;
  color:var(--navy-700);background:#fff;font-weight:500;
}
.chip b{color:var(--ink);font-weight:700}

/* --------------------------------------------------------------- 行业卡 */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.indcard{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:300px;
  display:flex;align-items:flex-end;color:#fff;isolation:isolate;
}
.indcard--wide{grid-column:span 2}
.indcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s ease}
.indcard:hover img{transform:scale(1.06)}
.indcard::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(0deg,rgba(8,26,48,.93) 4%,rgba(10,34,64,.55) 48%,rgba(10,34,64,.12) 100%);
  transition:.3s;
}
.indcard:hover::after{background:linear-gradient(0deg,rgba(11,44,88,.95) 4%,rgba(14,48,92,.6) 52%,rgba(14,48,92,.2) 100%)}
.indcard__body{padding:32px 30px}
.indcard__body h3{color:#fff;font-size:21px}
.indcard__body p{color:#C3D3E6;font-size:13.8px;margin-top:9px;max-width:44ch}
.indcard__en{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#8FB6F0;font-weight:700;margin-bottom:9px;display:block}

/* --------------------------------------------------------------- 特性块 */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.fitem{background:#fff;padding:34px 30px;transition:.24s ease}
.fitem:hover{background:var(--bg-soft)}
.fitem__ico{color:var(--blue-500);margin-bottom:18px}
.fitem h3{font-size:17.5px;margin-bottom:10px}
.fitem p{font-size:14px;line-height:1.76}
.fitem__n{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin-bottom:14px;display:block}

/* ------------------------------------------------------------- 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14)}
.stat{background:var(--navy-800);padding:40px 30px;text-align:center}
.stat b{display:block;color:#fff;font-size:clamp(30px,3.4vw,44px);font-weight:700;line-height:1;letter-spacing:-.03em}
.stat b i{font-style:normal;font-size:.55em;margin-left:2px;color:#8FB6F0}
.stat span{display:block;margin-top:12px;color:#9FB6D2;font-size:13px;letter-spacing:.05em}

/* ---------------------------------------------------------- 关于/图文 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.split--rev .split__media{order:2}
.split__media{position:relative}
.split__media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%}
.split__media--badge::after{
  content:"";position:absolute;right:-18px;bottom:-18px;width:150px;height:150px;
  border:5px solid var(--blue-500);border-radius:var(--radius-lg);z-index:-1;
}
.point-list{margin-top:30px;display:grid;gap:20px}
.point-list li{display:flex;gap:16px}
.point-list b{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
.point-list p{font-size:14.2px;line-height:1.72}
.point-list__ico{
  width:44px;height:44px;flex:none;border-radius:10px;background:var(--blue-50);color:var(--navy-700);
  display:grid;place-items:center;
}

/* ----------------------------------------------------------- 选型计算 */
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px;box-shadow:var(--shadow-sm)}
.calc__formula{
  display:flex;align-items:center;gap:18px;background:var(--bg-soft);border-left:4px solid var(--blue-500);
  border-radius:var(--radius);padding:20px 24px;margin:24px 0;flex-wrap:wrap;
}
.calc__formula em{font-style:italic;color:var(--navy-700);font-weight:700;font-size:17px}
.frac{display:inline-flex;flex-direction:column;align-items:center;gap:4px;font-style:italic;color:var(--navy-700);font-weight:600}
.frac span{padding:0 14px}
.frac span:first-child{border-bottom:1.6px solid var(--navy-700);padding-bottom:3px}
.calc__fields{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:14.5px;color:var(--ink);background:#fff;transition:.2s;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(46,107,214,.14)}
.calc__out{
  margin-top:26px;background:var(--navy-800);border-radius:var(--radius);padding:28px 30px;color:#C9D6E6;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.calc__out b{display:block;color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.02em}
.calc__out span{display:block;font-size:12.5px;color:#93AECF;margin-top:6px;letter-spacing:.04em}
.calc__note{margin-top:16px;font-size:12.8px;color:var(--muted);line-height:1.7}

/* ---------------------------------------------------------------- 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
table.spec{border-collapse:collapse;width:100%;min-width:820px;font-size:13px}
table.spec caption{
  text-align:left;padding:18px 22px;font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);background:var(--bg-soft);
}
table.spec th{
  background:var(--navy-700);color:#fff;font-weight:600;font-size:12.5px;letter-spacing:.04em;
  padding:12px 10px;text-align:center;white-space:nowrap;border-right:1px solid rgba(255,255,255,.12);
}
table.spec th:first-child{text-align:left}
table.spec td{
  padding:10px 10px;text-align:center;border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);color:var(--body);white-space:nowrap;
}
table.spec td:first-child{text-align:left;font-weight:700;color:var(--navy-700)}
table.spec tbody tr:nth-child(even){background:#FAFBFD}
table.spec tbody tr:hover{background:var(--blue-50)}
table.spec tbody tr:last-child td{border-bottom:0}

/* ---------------------------------------------------------------- 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:.26s ease;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent}
.ncard__media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft2)}
.ncard__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ncard:hover .ncard__media img{transform:scale(1.06)}
.ncard__body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.ncard__meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-bottom:13px}
.ncard__cat{background:var(--blue-50);color:var(--navy-700);font-weight:700;padding:4px 10px;border-radius:3px;letter-spacing:.05em}
.ncard h3{font-size:17.5px;line-height:1.45;margin-bottom:11px;flex:1}
.ncard p{font-size:13.8px;line-height:1.72}
.ncard__more{margin-top:18px}

/* ---------------------------------------------------------------- CTA */
.cta-band{position:relative;background:var(--navy-700);color:#fff;overflow:hidden}
.cta-band__bg{position:absolute;inset:0;opacity:.2}
.cta-band__bg img{width:100%;height:100%;object-fit:cover}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,44,84,.96),rgba(15,44,84,.72))}
.cta-band .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-top:66px;padding-bottom:66px}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,34px)}
.cta-band p{color:#BDD0E6;margin-top:12px;max-width:58ch;font-size:15px}

/* ---------------------------------------------------------------- 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 30px;transition:.24s}
.ccard:hover{box-shadow:var(--shadow-md);border-color:transparent;transform:translateY(-4px)}
.ccard__ico{width:52px;height:52px;border-radius:12px;background:var(--blue-50);color:var(--navy-700);display:grid;place-items:center;margin-bottom:20px}
.ccard h3{font-size:18px;margin-bottom:12px}
.ccard p{font-size:14.2px;line-height:1.78}
.ccard a{color:var(--navy-700);font-weight:600}
.ccard a:hover{color:var(--blue-500)}

.form{display:grid;gap:18px}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form textarea{
  width:100%;min-height:140px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:14.5px;resize:vertical;color:var(--ink);
}
.form textarea:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(46,107,214,.14)}
.form-note{font-size:12.5px;color:var(--muted)}
.form-ok{
  display:none;background:#E9F7EF;border:1px solid #B7E2C9;color:#1E6B45;border-radius:var(--radius);
  padding:14px 18px;font-size:14px;
}
.form-ok.is-on{display:block}
.map-frame{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-soft);min-height:340px;display:grid;place-items:center;padding:40px;text-align:center}
.map-frame p{font-size:14.5px;color:var(--muted);max-width:44ch}

/* ------------------------------------------------------------- 时间线 */
.timeline{position:relative;margin-top:12px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--line)}
.timeline li{position:relative;padding-bottom:34px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--blue-500);
}
.timeline b{display:block;color:var(--ink);font-size:16.5px;margin-bottom:6px}
.timeline span{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--blue-500);text-transform:uppercase;margin-bottom:6px}
.timeline p{font-size:14.2px;line-height:1.74}

/* ---------------------------------------------------------------- FAQ */
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq__q i{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--blue-50);color:var(--navy-700);
  display:grid;place-items:center;font-style:normal;transition:.25s;
}
.faq__item.is-open .faq__q i{background:var(--navy-700);color:#fff;transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq__a p{padding:0 44px 24px 4px;font-size:14.6px;line-height:1.8}
.faq__item.is-open .faq__a{max-height:400px}

/* -------------------------------------------------------------- 页脚 */
.footer{background:var(--navy-900);color:#93A6BE;padding-top:76px;font-size:14px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:52px}
.footer__brand img{height:52px;width:auto;margin-bottom:22px}
.footer__brand p{font-size:13.8px;line-height:1.8;max-width:36ch}
.footer h4{color:#fff;font-size:14.5px;letter-spacing:.05em;margin-bottom:20px}
.footer ul{display:grid;gap:11px}
.footer ul a{font-size:13.8px;color:#93A6BE;transition:.18s}
.footer ul a:hover{color:#fff;padding-left:4px}
.footer__contact{display:grid;gap:14px}
.footer__contact div{display:flex;gap:11px;font-size:13.8px;line-height:1.65}
.footer__contact svg{flex:none;margin-top:4px;color:#5C7CA5}
.footer__news{display:flex;gap:9px;margin-top:16px}
.footer__news input{
  flex:1;height:44px;padding:0 14px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-family:inherit;font-size:13.5px;
}
.footer__news input::placeholder{color:#6D829D}
.footer__news input:focus{outline:none;border-color:var(--blue-400)}
.footer__news button{
  width:46px;height:44px;border-radius:var(--radius);background:var(--blue-500);color:#fff;
  display:grid;place-items:center;flex:none;transition:.2s;
}
.footer__news button:hover{background:#2559B8}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;display:flex;align-items:center;
  justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:12.8px;color:#72869F;
}
.footer__icp{margin-top:7px}
.footer__icp a{display:inline-flex;align-items:center;gap:6px;color:#9DB0C9;transition:.2s}
.footer__icp a svg{flex:none;opacity:.85}
.footer__icp a:hover{color:#fff}
.footer__icp a:hover span{text-decoration:underline}
.footer__bottom ul{display:flex;gap:22px;flex-wrap:wrap}
.footer__bottom a:hover{color:#fff}
.footer__social{display:flex;gap:10px}
.footer__social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:.2s}
.footer__social a:hover{background:var(--blue-500);color:#fff}

/* --------------------------------------------------------------- 动效 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.8,.3,1),transform .7s cubic-bezier(.2,.8,.3,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ----------------------------------------------------------- 返回顶部 */
.totop{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--navy-700);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.28s;z-index:800;
}
.totop.is-on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--blue-500)}

/* ------------------------------------------------------------- 响应式 */
@media (max-width:1180px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .footer__grid{grid-template-columns:1.4fr 1fr 1.2fr;gap:36px}
  .footer__grid .footer__col--news{grid-column:span 3}
}
@media (max-width:1024px){
  :root{--gutter:24px}
  .nav{display:none}
  .burger{display:block;margin-left:auto}
  .header__cta{display:none}
  .hero__kpis .wrap{grid-template-columns:repeat(2,1fr)}
  .g3,.g4,.fgrid,.ind-grid,.news-grid,.values,.contact-grid{grid-template-columns:repeat(2,1fr)}
  .indcard--wide{grid-column:span 2}
  .split{grid-template-columns:1fr;gap:40px}
  .split--rev .split__media{order:0}
  .pdetail{grid-template-columns:1fr;gap:32px;padding:48px 0}
  .pdetail:nth-child(even) .pdetail__media{order:0}
  .section{padding:70px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  :root{--gutter:18px;--header-h:66px}
  body{font-size:15.5px}
  .topbar{font-size:11.5px}
  .topbar .wrap{gap:10px}
  .topbar__left{gap:0;flex:1}
  .topbar__left .topbar__item:nth-child(n+2){display:none}
  .lang button{padding:4px 11px;font-size:11px}
  .prod-grid,.g2,.g3,.g4,.fgrid,.ind-grid,.news-grid,.values,.contact-grid,.calc__fields{grid-template-columns:1fr}
  .indcard--wide{grid-column:span 1}
  .hero__slides{height:auto;padding:64px 0 96px}
  .hero__slide{position:relative;display:none}
  .hero__slide.is-active{display:block}
  .hero__ctrl-wrap{position:static;margin-top:30px}
  .hero__ctrl-wrap .wrap{justify-content:center}
  .calc__out{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:34px}
  .footer__grid .footer__col--news{grid-column:span 1}
  .form .row2{grid-template-columns:1fr}
  .section{padding:56px 0}
  .calc{padding:26px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .brand img{height:36px}
  .brand__cn{font-size:14.5px}
  .brand__en{font-size:9.5px}
}