/* ==========================================================================
   YINUO HARDWARE — 工业高端风设计系统
   藏蓝底 + 金属橙 · 硬朗切角 · 工程网格
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  /* 藏蓝系 */
  --navy-950:#071726;
  --navy-900:#0B1F33;
  --navy-850:#102944;
  --navy-800:#13304D;
  --navy-700:#1B3E63;
  --steel-600:#2C5580;
  --steel-500:#4A7397;
  --steel-400:#7A9AB8;

  /* 金属橙 */
  --amber-600:#C96A18;
  --amber-500:#E8873A;
  --amber-400:#F5A65B;
  --amber-300:#FBC98F;

  /* 中性 */
  --paper:#FFFFFF;
  --paper-2:#F4F6F8;
  --paper-3:#EDF1F5;
  --line:#DFE5EB;
  --line-2:#CBD5DF;
  --ink:#0E1A26;
  --ink-2:#33465A;
  --ink-3:#5A6B7C;
  --ink-4:#8A99A8;

  --ok:#1E9E6A;

  /* 排版 */
  --font-sans:"Barlow","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,
              "Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:"Barlow","SF Mono",ui-monospace,"Menlo",monospace;

  /* 布局 */
  --maxw:1240px;
  --gut:clamp(20px,4vw,40px);
  --hd:76px;

  /* 阴影 */
  --sh-1:0 1px 2px rgba(11,31,51,.05),0 2px 8px rgba(11,31,51,.05);
  --sh-2:0 2px 6px rgba(11,31,51,.06),0 12px 28px rgba(11,31,51,.08);
  --sh-3:0 8px 20px rgba(11,31,51,.10),0 28px 60px rgba(11,31,51,.16);
  --sh-amber:0 6px 22px rgba(232,135,58,.28);

  --r:2px;              /* 硬朗小圆角，工业感 */
  --r-lg:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hd) + 16px)}
body{
  margin:0;font-family:var(--font-sans);
  font-size:16px;line-height:1.7;color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:600;line-height:1.22;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.sec{padding-block:clamp(56px,7vw,104px)}
.sec--tight{padding-block:clamp(40px,5vw,72px)}
.sec--paper2{background:var(--paper-2)}
.sec--navy{background:var(--navy-900);color:var(--steel-400)}
.sec--navy h2,.sec--navy h3{color:#fff}
.grid{display:grid;gap:clamp(20px,2.6vw,32px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){
  .g2,.g3{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){.g4{grid-template-columns:1fr}}

/* ---------- 类型 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber-500);
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--amber-500);
}
.eyebrow--light{color:var(--amber-400)}
.eyebrow--light::before{background:var(--amber-400)}

.h-hero{font-size:clamp(34px,5.4vw,66px);font-weight:700;letter-spacing:-.025em;line-height:1.06}
.h-sec{font-size:clamp(26px,3.4vw,42px);font-weight:700;letter-spacing:-.02em}
.h-card{font-size:19px;font-weight:600}
.lead{font-size:clamp(15px,1.5vw,18px);line-height:1.75;color:var(--ink-3)}
.muted{color:var(--ink-3)}
.center{text-align:center}

.sec-head{max-width:760px;margin-bottom:clamp(32px,4vw,56px)}
.sec-head.center{margin-inline:auto}
.sec-head h2{margin-top:14px}
.sec-head p{margin-top:14px}

/* ---------- 按钮 ---------- */
.btn{
  --bh:50px;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:var(--bh);padding:0 26px;
  font-size:14.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  border-radius:var(--r);border:1px solid transparent;
  transition:transform .22s var(--ease),background .22s,color .22s,border-color .22s,box-shadow .22s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

.btn--amber{background:var(--amber-500);color:#fff;box-shadow:var(--sh-amber)}
.btn--amber:hover{background:var(--amber-600);box-shadow:0 10px 30px rgba(232,135,58,.4)}

.btn--ghost{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn--ghost:hover{border-color:var(--navy-800);color:var(--navy-800)}

.btn--ghostLight{border-color:rgba(255,255,255,.28);color:#fff}
.btn--ghostLight:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}

.btn--sm{--bh:40px;padding:0 18px;font-size:13px}
.btn svg{width:16px;height:16px;flex:none}

/* ---------- Header ---------- */
.hd{
  position:sticky;top:0;z-index:80;
  background:rgba(11,31,51,.94);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.hd::after{        /* 顶部橙色细线 */
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--amber-500),var(--amber-400) 40%,transparent);
  opacity:.85;
}
.hd__in{
  max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);
  height:var(--hd);display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo__mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--amber-500),var(--amber-600));
  color:#fff;font-weight:800;font-size:16px;letter-spacing:-.02em;
  clip-path:polygon(0 0,100% 0,100% 78%,84% 100%,0 100%);
}
.logo__txt{display:flex;flex-direction:column;line-height:1.1}
.logo__txt b{color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em}
.logo__txt span{color:var(--steel-400);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__a{
  position:relative;padding:9px 14px;
  font-size:14px;font-weight:600;letter-spacing:.02em;
  color:rgba(255,255,255,.82);border-radius:var(--r);
  transition:color .2s,background .2s;
}
.nav__a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav__a.is-active{color:#fff}
.nav__a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--amber-500);
}
.nav__cta{margin-left:12px}

.lang{
  display:flex;align-items:center;gap:2px;flex:none;
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r);padding:3px;
}
.lang__b{
  padding:5px 10px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:rgba(255,255,255,.72);border-radius:1px;transition:.2s;
}
.lang__b.is-on{background:var(--amber-500);color:#fff}
.lang__b:hover:not(.is-on){color:#fff}

.burger{display:none;margin-left:auto;width:42px;height:42px;place-items:center;color:#fff}
.burger svg{width:22px;height:22px}

@media(max-width:980px){
  .nav,.lang{display:none}
  .burger{display:grid}
  .hd__in{gap:14px}
}
.drawer{
  position:fixed;inset:var(--hd) 0 0;z-index:79;
  background:var(--navy-950);padding:24px var(--gut) 40px;
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:.26s var(--ease);overflow-y:auto;
}
.drawer.is-open{transform:none;opacity:1;visibility:visible}
.drawer__a{
  display:block;padding:15px 0;
  font-size:17px;font-weight:600;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.drawer__row{display:flex;gap:14px;margin-top:26px}
.drawer__lang{margin-top:20px;display:flex;gap:8px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:center;overflow:hidden;background:var(--navy-950)}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(7,23,38,.96) 0%,rgba(11,31,51,.9) 38%,rgba(11,31,51,.62) 68%,rgba(11,31,51,.4) 100%),
    linear-gradient(180deg,rgba(7,23,38,.5),transparent 30%,rgba(7,23,38,.7));
}
.hero__grid{                     /* 工程网格纹理 */
  position:absolute;inset:0;opacity:.16;
  background-image:
    linear-gradient(rgba(122,154,184,.35) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,154,184,.35) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(90deg,#000,transparent 72%);
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 72%);
}
.hero__in{position:relative;z-index:2;width:100%;padding-block:clamp(64px,9vw,110px)}
.hero__ttl{color:#fff;max-width:19ch}
.hero__ttl em{font-style:normal;color:var(--amber-400)}
.hero__sub{margin-top:22px;max-width:56ch;color:rgba(226,235,243,.86);font-size:clamp(15px,1.6vw,18px)}
.hero__btns{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}

.hero__stats{
  margin-top:clamp(40px,5vw,64px);
  display:grid;grid-template-columns:repeat(3,minmax(0,160px));gap:1px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);
}
.hero__stat{background:rgba(11,31,51,.72);padding:18px 20px}
.hero__stat b{
  display:block;font-family:var(--font-num);font-size:clamp(26px,3vw,36px);
  font-weight:700;color:#fff;line-height:1;letter-spacing:-.02em;
}
.hero__stat b i{font-style:normal;font-size:.6em;color:var(--amber-400);margin-left:2px}
.hero__stat span{display:block;margin-top:7px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-400)}
@media(max-width:560px){
  .hero__stats{grid-template-columns:1fr}
  .hero__stat{background:rgba(11,31,51,.85)}
}

/* ---------- 卡片：能力 / 优势 ---------- */
.cap{
  position:relative;background:#fff;border:1px solid var(--line);
  padding:clamp(24px,2.4vw,32px);border-radius:var(--r-lg);
  transition:.28s var(--ease);overflow:hidden;
}
.cap::before{            /* 左上角橙色切角装饰 */
  content:"";position:absolute;top:0;left:0;width:0;height:3px;
  background:var(--amber-500);transition:width .3s var(--ease);
}
.cap:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.cap:hover::before{width:100%}
.cap__ic{
  width:48px;height:48px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(145deg,var(--navy-800),var(--navy-700));
  color:var(--amber-400);
  clip-path:polygon(0 0,100% 0,100% 72%,80% 100%,0 100%);
}
.cap__ic svg{width:22px;height:22px}
.cap h3{margin-bottom:9px}
.cap p{font-size:14.5px;color:var(--ink-3);line-height:1.7}

/* ---------- 产品卡 ---------- */
.prod{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:.28s var(--ease);height:100%;
}
.prod:hover{transform:translateY(-5px);box-shadow:var(--sh-3);border-color:var(--line-2)}
.prod__media{
  position:relative;aspect-ratio:1/1;background:var(--paper-2);
  display:grid;place-items:center;overflow:hidden;
}
.prod__media img{
  width:100%;height:100%;object-fit:contain;padding:8%;
  transition:transform .5s var(--ease);
}
.prod:hover .prod__media img{transform:scale(1.06)}
.prod__tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 10px;background:var(--navy-900);color:#fff;
  font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
}
.prod__body{padding:20px;display:flex;flex-direction:column;flex:1}
.prod__name{font-size:16.5px;font-weight:600;line-height:1.35}
.prod__desc{
  margin-top:9px;font-size:13.5px;color:var(--ink-3);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.prod__spec{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;
}
.prod__spec div{font-size:12px;color:var(--ink-4);display:flex;flex-direction:column;gap:2px}
.prod__spec b{font-size:13px;font-weight:600;color:var(--ink-2);font-family:var(--font-num)}
.prod__more{
  margin-top:16px;display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--amber-600);
}
.prod__more svg{width:14px;height:14px;transition:transform .24s var(--ease)}
.prod:hover .prod__more svg{transform:translateX(4px)}

/* ---------- 筛选 Tab ---------- */
.tabs{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-bottom:clamp(28px,3.4vw,44px)}
.tab{
  padding:11px 22px;font-size:13.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);color:var(--ink-3);
  transition:.22s;
}
.tab:hover{border-color:var(--navy-700);color:var(--navy-800)}
.tab.is-on{background:var(--navy-900);border-color:var(--navy-900);color:#fff}

/* ---------- 深色数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12)}
.stats__i{background:var(--navy-900);padding:clamp(22px,3vw,36px) clamp(16px,2vw,26px);text-align:center}
.stats__i b{
  display:block;font-family:var(--font-num);font-size:clamp(30px,4vw,50px);
  color:#fff;font-weight:700;line-height:1;letter-spacing:-.03em;
}
.stats__i b i{font-style:normal;font-size:.5em;color:var(--amber-400)}
.stats__i span{display:block;margin-top:10px;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-400)}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- 工厂图廊 ---------- */
.gal{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.gal__i{position:relative;overflow:hidden;border-radius:var(--r);background:var(--navy-950)}
.gal__i img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease);opacity:.92}
.gal__i:hover img{transform:scale(1.07);opacity:1}
.gal__i--a{grid-column:span 3;aspect-ratio:4/3}
.gal__i--b{grid-column:span 3;aspect-ratio:4/3}
.gal__i--c{grid-column:span 2;aspect-ratio:1/1}
.gal__i--d{grid-column:span 2;aspect-ratio:1/1}
.gal__i--e{grid-column:span 2;aspect-ratio:1/1}
@media(max-width:760px){
  .gal{grid-template-columns:repeat(2,1fr)}
  .gal__i--a,.gal__i--b{grid-column:span 2}
  .gal__i--c,.gal__i--d,.gal__i--e{grid-column:span 1}
}

/* ---------- 流程 / 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{position:relative;padding:0 22px 0 0}
.step:not(:last-child)::after{
  content:"";position:absolute;top:26px;right:-2px;width:calc(100% - 0px);
  border-top:1px dashed var(--line-2);
}
@media(max-width:860px){
  .steps{grid-template-columns:1fr;gap:26px}
  .step::after{display:none}
}
.step__n{
  width:44px;height:44px;display:grid;place-items:center;margin-bottom:16px;
  font-family:var(--font-num);font-size:17px;font-weight:700;
  background:#fff;border:2px solid var(--amber-500);color:var(--amber-600);border-radius:50%;
  position:relative;z-index:2;
}
.step h3{margin-bottom:8px;font-size:17px}
.step p{font-size:14px;color:var(--ink-3)}

/* ---------- 参数表 ---------- */
.spec-tbl{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.spec-tbl tr{border-bottom:1px solid var(--line)}
.spec-tbl tr:last-child{border-bottom:0}
.spec-tbl th{
  width:210px;text-align:left;padding:15px 20px;
  background:var(--paper-2);font-size:13px;font-weight:700;
  letter-spacing:.04em;color:var(--ink-3);vertical-align:top;
}
.spec-tbl td{padding:15px 20px;font-size:14.5px;color:var(--ink);font-family:var(--font-num)}
@media(max-width:640px){
  .spec-tbl th{width:130px;font-size:12px;padding:12px 14px}
  .spec-tbl td{font-size:13px;padding:12px 14px}
}

/* ---------- 详情页 ---------- */
.pd{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,60px);align-items:start}
@media(max-width:900px){.pd{grid-template-columns:1fr}}
.pd__media{
  position:sticky;top:calc(var(--hd) + 24px);
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2);overflow:hidden;
}
@media(max-width:900px){.pd__media{position:static}}
.pd__main{aspect-ratio:1/1;display:grid;place-items:center;background:#fff}
.pd__main img{width:100%;height:100%;object-fit:contain;padding:5%}
.pd__crumbs{font-size:13px;color:var(--ink-4);margin-bottom:16px}
.pd__crumbs a:hover{color:var(--amber-600)}
.pd__name{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.02em}
.pd__lead{margin-top:16px;font-size:16px;color:var(--ink-3)}
.pd__btns{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.pd__sec{margin-top:clamp(32px,4vw,48px)}
.pd__sec h3{
  font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-4);
  padding-bottom:12px;border-bottom:2px solid var(--line);margin-bottom:20px;
}
.feat li{
  position:relative;padding-left:26px;margin-bottom:11px;font-size:15px;color:var(--ink-2);
}
.feat li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;
  background:var(--amber-500);clip-path:polygon(0 0,100% 50%,0 100%);
}

/* ---------- 新闻列表 ---------- */
.news{display:grid;gap:0;border-top:1px solid var(--line)}
.news__i{
  display:grid;grid-template-columns:132px 1fr auto;gap:clamp(18px,3vw,36px);
  align-items:center;padding:26px 8px;border-bottom:1px solid var(--line);
  transition:.24s var(--ease);
}
.news__i:hover{background:var(--paper-2);padding-inline:16px}
.news__date{
  font-family:var(--font-num);font-size:13px;color:var(--ink-4);letter-spacing:.06em;
}
.news__i h3{font-size:17px;transition:color .2s}
.news__i:hover h3{color:var(--amber-600)}
.news__i p{margin-top:7px;font-size:13.5px;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news__arw{color:var(--line-2);transition:.24s}
.news__arw svg{width:18px;height:18px}
.news__i:hover .news__arw{color:var(--amber-500);transform:translateX(5px)}
@media(max-width:700px){
  .news__i{grid-template-columns:1fr;gap:10px}
  .news__arw{display:none}
}

/* ---------- 联系 ---------- */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:clamp(28px,4vw,56px)}
@media(max-width:900px){.contact{grid-template-columns:1fr}}
.ci{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.ci:first-of-type{padding-top:0}
.ci__ic{
  width:42px;height:42px;flex:none;display:grid;place-items:center;
  background:var(--navy-900);color:var(--amber-400);border-radius:var(--r);
}
.ci__ic svg{width:18px;height:18px}
.ci__lb{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-4);font-weight:700}
.ci__vl{margin-top:5px;font-size:15.5px;color:var(--ink);font-weight:500;line-height:1.6}
.ci__vl a:hover{color:var(--amber-600)}

/* ---------- 表单 ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,3vw,38px);box-shadow:var(--sh-1)}
.fld{margin-bottom:18px}
.fld label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.fld input,.fld textarea,.fld select{
  width:100%;padding:13px 15px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r);
  font-size:15px;transition:.2s;
}
.fld input:focus,.fld textarea:focus,.fld select:focus{
  outline:0;background:#fff;border-color:var(--amber-500);box-shadow:0 0 0 3px rgba(232,135,58,.12)
}
.fld textarea{min-height:118px;resize:vertical}
.fld--2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:560px){.fld--2{grid-template-columns:1fr}}
.form__note{margin-top:14px;font-size:12.5px;color:var(--ink-4)}
.form__ok{
  display:none;margin-top:16px;padding:14px 16px;
  background:rgba(30,158,106,.1);border:1px solid rgba(30,158,106,.3);border-radius:var(--r);
  color:var(--ok);font-size:14px;font-weight:600;
}
.form__ok.is-on{display:block}

/* ---------- CTA 条 ---------- */
.cta{
  position:relative;overflow:hidden;background:var(--navy-900);
  padding:clamp(44px,5.5vw,76px) 0;text-align:center;
}
.cta::before{
  content:"";position:absolute;inset:0;opacity:.2;
  background-image:
    linear-gradient(rgba(122,154,184,.3) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,154,184,.3) 1px,transparent 1px);
  background-size:52px 52px;
}
.cta__in{position:relative;z-index:2}
.cta h2{color:#fff;font-size:clamp(24px,3.2vw,38px)}
.cta p{margin-top:14px;color:var(--steel-400);max-width:60ch;margin-inline:auto}
.cta__btns{margin-top:30px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
.ft{background:var(--navy-950);color:var(--steel-400);padding-top:clamp(44px,5vw,72px)}
.ft__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,3vw,44px);
  padding-bottom:clamp(32px,4vw,52px);
}
@media(max-width:900px){.ft__grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.ft__grid{grid-template-columns:1fr}}
.ft h4{color:#fff;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
.ft__li{margin-bottom:11px;font-size:14px}
.ft__li a:hover{color:var(--amber-400)}
.ft__logo{margin-bottom:16px}
.ft__about{font-size:14px;line-height:1.75;max-width:38ch}
.ft__bar{
  border-top:1px solid rgba(255,255,255,.1);padding-block:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--steel-500);
}
.ft__bar a:hover{color:var(--amber-400)}

/* ---------- 回到顶部 ---------- */
.totop{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:46px;height:46px;display:grid;place-items:center;
  background:var(--amber-500);color:#fff;border-radius:var(--r);
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.26s var(--ease);
}
.totop.is-on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--amber-600)}
.totop svg{width:18px;height:18px}

/* ---------- 页Hero(内页) ---------- */
.phero{
  position:relative;background:var(--navy-900);overflow:hidden;
  padding-block:clamp(48px,6vw,84px);
}
.phero::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:
    linear-gradient(rgba(122,154,184,.4) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,154,184,.4) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(90deg,#000,transparent 70%);
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 70%);
}
.phero__in{position:relative;z-index:2}
.phero h1{color:#fff;font-size:clamp(27px,3.8vw,44px);margin-top:12px}
.phero p{margin-top:14px;color:var(--steel-400);max-width:58ch}

/* ---------- 动效 ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.is-in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 打印 ---------- */
@media print{
  .hd,.drawer,.totop,.cta{display:none}
  body{color:#000}
}