/* =========================================================
   圣亿海机械 · SHENGHAI  —  visual system
   Dark / red accent / large rounded sheets
   ========================================================= */

:root{
  --ink:#0B1118;
  --navy:#101A25;
  --navy-2:#16222E;
  --navy-3:#1B2836;
  --paper:#ffffff;
  --paper-2:#F5F6F8;
  --paper-3:#EDEFF2;

  --red:#E4233D;
  --red-2:#C1122B;
  --red-soft:#F0445C;

  --t-dark:#0E141B;
  --t-dark-2:#5F6A77;
  --t-light:#DFE5EB;
  --t-light-2:#8C99A8;

  --line-dark:rgba(255,255,255,.10);
  --line-light:#E4E7EB;

  --font:"Inter","Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;

  --wrap:1240px;
  --pad:40px;
  --r-lg:52px;
  --r-md:30px;
  --r-sm:18px;

  --ease:cubic-bezier(.22,.68,.16,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink);color:var(--t-light);
  font-family:var(--font);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
::selection{background:var(--red);color:#fff}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}

/* ================= HEADER ================= */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:80;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);
  pointer-events:none;
}
.topbar>*{pointer-events:auto}

.brand{display:flex;align-items:center;gap:11px}
.brand__mark{width:36px;height:36px;display:block;flex:none}
.brand__mark svg{width:100%;height:100%;display:block}
.brand__txt{display:flex;flex-direction:column;line-height:1.1}
.brand__txt b{font-size:16px;font-weight:600;letter-spacing:.16em;color:#fff}
.brand__txt i{font-style:normal;font-size:11px;letter-spacing:.22em;color:#8D99A6;margin-top:4px}

/* header flips to dark text over the light sheets */
body.is-light-header .topbar .brand__txt b{color:#0E141B}
body.is-light-header .topbar .brand__txt i{color:#78838F}
body.is-light-header .burger{background:rgba(255,255,255,.92);border-color:rgba(14,20,27,.12)}
body.is-light-header .burger span{background:#0E141B}
.brand__txt b,.brand__txt i{transition:color .3s ease}

.navpill{
  display:flex;align-items:center;gap:26px;
  padding:7px 7px 7px 26px;border-radius:999px;
  background:rgba(17,23,30,.72);
  border:1px solid rgba(255,255,255,.07);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 12px 40px rgba(0,0,0,.35);
  transition:background .3s var(--ease),transform .3s var(--ease);
}
.navpill a:not(.btnpill){
  font-size:13.5px;color:#C7CFD8;letter-spacing:.02em;position:relative;padding:6px 0;
  transition:color .25s;
}
.navpill a:not(.btnpill):hover{color:#fff}
.navpill a:not(.btnpill)::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--red);
  transition:right .35s var(--ease);
}
.navpill a:not(.btnpill):hover::after{right:0}

.lang{
  display:flex;align-items:center;gap:2px;font-size:12.5px;letter-spacing:.06em;
  color:#7C8895;padding:4px 2px;
}
.lang__on{color:#fff}
.lang__sep{opacity:.4}
.lang__off{color:#8B97A4}
.lang:hover .lang__off{color:#fff}

.btnpill{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:14px;font-weight:500;letter-spacing:.01em;color:#fff;white-space:nowrap;
  background:linear-gradient(115deg,#F0475F 0%,var(--red) 45%,var(--red-2) 100%);
  box-shadow:0 8px 24px rgba(228,35,61,.32);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),filter .3s;
}
.btnpill:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(228,35,61,.42);filter:saturate(1.08)}
.btnpill--sm{height:40px;padding:0 20px;font-size:13px;box-shadow:0 6px 18px rgba(228,35,61,.35)}
.btnpill--lg{height:54px;font-size:15px}
.btnpill--wide{width:100%;justify-content:space-between;padding:0 8px 0 22px}
.btnpill__arw{
  width:32px;height:32px;flex:none;border-radius:50%;
  background:rgba(255,255,255,.18);display:grid;place-items:center;
  transition:background .3s,transform .3s var(--ease);
}
.btnpill__arw svg{width:15px;height:15px;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.btnpill--wide:hover .btnpill__arw{background:rgba(255,255,255,.3);transform:translateX(2px)}

.burger{display:none;width:44px;height:44px;border-radius:50%;background:rgba(17,23,30,.8);
  border:1px solid rgba(255,255,255,.1);position:relative;backdrop-filter:blur(12px)}
.burger span{position:absolute;left:13px;width:18px;height:1.5px;background:#fff;transition:.3s var(--ease)}
.burger span:nth-child(1){top:19px}
.burger span:nth-child(2){top:25px}
body.menu-open .burger span:nth-child(1){top:22px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){top:22px;transform:rotate(-45deg)}

.mnav{
  position:fixed;inset:0;z-index:70;background:rgba(9,13,18,.97);
  backdrop-filter:blur(20px);
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  padding:0 34px;opacity:0;pointer-events:none;transition:opacity .35s var(--ease);
}
body.menu-open .mnav{opacity:1;pointer-events:auto}
.mnav a{
  font-size:26px;font-weight:500;color:#E7ECF1;padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mnav__lang{
  margin-top:26px;align-self:flex-start;color:#C6CED7;font-size:14px;letter-spacing:.1em;
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:10px 22px;
}

/* ================= HERO ================= */
.hero{
  position:relative;min-height:820px;
  padding:170px 0 200px;overflow:hidden;
  background:
    radial-gradient(120% 90% at 88% 8%,#151F2B 0%,transparent 55%),
    linear-gradient(180deg,#0B1118 0%,#0D141C 62%,#0B1118 100%);
}
.hero__glow{
  position:absolute;left:-14%;bottom:-24%;width:900px;height:640px;
  background:radial-gradient(circle,rgba(228,35,61,.30),rgba(228,35,61,.05) 46%,transparent 68%);
  filter:blur(10px);pointer-events:none;
}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(to right,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:calc(100% / 6) 100%;
  mask-image:linear-gradient(180deg,transparent,#000 22%,#000 70%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 22%,#000 70%,transparent);
}
.hero__inner{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}

.eyebrow{
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--t-dark-2);
  display:flex;align-items:center;gap:10px;
}
.eyebrow--light{color:#8B97A4}

.h1{
  margin-top:28px;
  font-size:clamp(38px,4.55vw,66px);
  line-height:1.07;letter-spacing:-.022em;font-weight:500;color:#B9C2CC;
}
.h1 span{display:block}
.h1__em{color:#fff}
:lang(zh) .h1{letter-spacing:.002em;font-weight:500;line-height:1.14}
:lang(en) .h1{letter-spacing:-.028em}

.hero__tags{
  margin-top:26px;font-size:14px;letter-spacing:.04em;color:var(--red-soft);font-weight:500;
}
.hero__cta{margin-top:40px;display:flex;align-items:center;gap:30px;flex-wrap:wrap}
.arrowlink{
  display:inline-flex;align-items:center;gap:10px;font-size:14px;color:#D3DAE2;
  border-bottom:1px solid rgba(255,255,255,.22);padding-bottom:6px;transition:gap .3s var(--ease),color .3s;
}
.arrowlink svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.arrowlink:hover{gap:16px;color:#fff;border-color:#fff}

.hero__media{
  position:absolute;z-index:1;top:118px;right:0;width:min(47vw,620px);
}
.hero__frame{
  position:relative;border-radius:26px;overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 40px 96px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04) inset;
  background:linear-gradient(165deg,#FBFCFD 0%,#E9EEF3 100%);
  padding:46px;aspect-ratio:1/1;display:grid;place-items:center;
}
.hero__frame img{
  width:100%;height:100%;object-fit:contain;
  filter:none;transition:transform .9s var(--ease);
}
.hero__frame:hover img{transform:scale(1.03)}
.hero__badge{
  position:absolute;left:-1px;bottom:26px;z-index:3;
  background:rgba(11,17,24,.92);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);border-radius:16px;padding:15px 22px;
  display:flex;flex-direction:column;gap:2px;
}
.hero__badge b{font-size:30px;line-height:1;color:#fff;font-weight:500}
.hero__badge span{font-size:11.5px;letter-spacing:.1em;color:#9AA6B4}


/* hero 文字区限宽，避让右侧设备图 */
@media (min-width:961px){
  .hero .h1{max-width:520px}
  .hero__tags{max-width:520px}
  .hero__cta{max-width:520px}
}

/* hero 下方行业地位条 */
.trustbar{
  position:relative;z-index:4;background:#0E151D;
  border-top:1px solid rgba(255,255,255,.07);
}
.trustbar .wrap{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  padding-top:34px;padding-bottom:34px;
}
.trustbar__item{
  padding:0 26px;border-left:1px solid rgba(255,255,255,.08);
}
.trustbar__item:first-child{border-left:0;padding-left:0}
.trustbar__k{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--red-soft);font-weight:500;margin-bottom:7px;
}
.trustbar__v{font-size:14.5px;line-height:1.55;color:#D6DEE7;font-weight:400}
.trustbar__v b{color:#fff;font-weight:600}

/* trustbar 之后的白色面板不再上浮，避免裁切 */
.trustbar + .sheet{margin-top:0;border-radius:var(--r-lg) var(--r-lg) 0 0}

@media (max-width:960px){
  .trustbar .wrap{grid-template-columns:1fr 1fr;row-gap:26px}
  .trustbar__item{padding-left:20px}
  .trustbar__item:nth-child(odd){border-left:0;padding-left:0}
}
@media (max-width:620px){
  .trustbar .wrap{grid-template-columns:1fr;row-gap:22px}
  .trustbar__item{border-left:0;padding-left:0}
}
.hero__badge span{font-size:11.5px;letter-spacing:.1em;color:#9AA6B4}

.hero__scroll{
  position:absolute;left:var(--pad);bottom:64px;z-index:2;
  display:flex;align-items:center;gap:12px;font-size:11.5px;letter-spacing:.16em;color:#6F7C8A;
  text-transform:uppercase;
}
.hero__scroll-line{width:44px;height:1px;background:linear-gradient(90deg,var(--red),transparent)}

/* ================= SHEET ================= */
.sheet{
  position:relative;z-index:3;
  background:var(--paper);color:var(--t-dark);
  border-radius:var(--r-lg);margin-top:-96px;
  padding:86px 0 104px;
}
.sheet .wrap,
.dark .wrap{
  display:grid;grid-template-columns:360px minmax(0,1fr);column-gap:44px;align-items:start;
}

.rail{
  grid-column:1;grid-row:1;
  display:flex;align-items:center;gap:14px;padding-top:16px;
}
.rail__art{display:flex;align-items:center;width:46px}
.rail__art i{display:block;border-radius:50%}
.rail__art i:first-child{width:10px;height:10px;border:1.5px solid #AEB8C4;order:0}
.rail__art::before{content:"";width:20px;height:1.5px;background:#C9D1DA;order:1}
.rail__art i:last-child{width:12px;height:12px;background:var(--red);order:2}
.rail__txt{font-size:13px;letter-spacing:.06em;color:#75808D}

.rail--dark .rail__art i:first-child{border-color:#5C6A79}
.rail--dark .rail__art::before{background:#3B4753}
.rail--dark .rail__txt{color:#8290A0}

.h2{
  grid-column:2;grid-row:1;
  font-size:clamp(28px,3.35vw,47px);line-height:1.13;letter-spacing:-.022em;
  font-weight:500;color:var(--t-dark);
}
.h2 span{display:block}
.h2 .dim{color:#9AA3AE}
.h2--dark{color:#F2F5F8}
.h2--dark .dim{color:#7E8C9B}
:lang(zh) .h2{letter-spacing:.004em;line-height:1.24}
:lang(en) .h2{letter-spacing:-.028em}

.lede{
  grid-column:2;grid-row:2;margin-top:34px;font-size:15.5px;line-height:1.8;color:#6B7681;max-width:620px;
}
.lede b{color:var(--t-dark);font-weight:500}
:lang(en) .lede{max-width:640px}

/* ---- feature blocks ---- */
.feat{
  grid-column:1 / -1;
  display:grid;grid-template-columns:minmax(0,1fr) 470px;gap:76px;align-items:center;
  padding:64px 0;border-top:1px solid var(--line-light);margin-top:56px;
}
.feat__no{
  font-size:15px;letter-spacing:.08em;color:#AFB9C5;margin-bottom:18px;font-variant-numeric:tabular-nums;
}
.feat__txt h3{
  font-size:clamp(21px,2.05vw,27px);line-height:1.32;font-weight:500;color:var(--t-dark);
  letter-spacing:-.01em;max-width:520px;
}
.rows{margin-top:34px;border-top:1px solid var(--line-light);max-width:560px}
.rows li{
  padding:17px 0;border-bottom:1px solid var(--line-light);
  font-size:14.5px;line-height:1.65;color:#7A848F;
}
.rows li b{color:var(--t-dark);font-weight:500}
.feat__note{margin-top:22px;font-size:12px;color:#9AA3AE}

.feat__media{
  position:relative;border-radius:38px;overflow:hidden;aspect-ratio:4/3.1;
  background:linear-gradient(150deg,#F6F8FA 0%,#E7ECF2 100%);
  box-shadow:0 22px 54px rgba(14,20,27,.07);
  outline:1px solid rgba(14,20,27,.06);outline-offset:-1px;
  margin:0;
}
.feat__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.feat:hover .feat__media img{transform:scale(1.035)}
.feat__media .btnpill{
  position:absolute;right:20px;bottom:20px;z-index:2;
}

/* ================= DARK SECTIONS ================= */
.dark{
  position:relative;background:var(--ink);color:var(--t-light);
  padding:110px 0;
}

.specrows{
  grid-column:2;grid-row:2;margin-top:46px;border-top:1px solid var(--line-dark);
}
.specrows li{
  padding:20px 0;border-bottom:1px solid var(--line-dark);
  font-size:14.5px;color:#93A0AE;
}

/* ---- product cards ---- */
.cards{
  grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:64px;
}
.pcard{
  background:var(--paper);border-radius:var(--r-md);padding:26px 26px 22px;
  color:var(--t-dark);display:flex;flex-direction:column;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.pcard:hover{transform:translateY(-6px);box-shadow:0 30px 60px rgba(0,0,0,.35)}
.pcard__img{
  height:220px;display:grid;place-items:center;margin:-4px -4px 8px;overflow:hidden;
}
.pcard__img img{width:100%;height:100%;object-fit:contain}
.pcard__title{
  font-size:26px;font-weight:500;letter-spacing:-.01em;margin-top:8px;
  display:flex;align-items:baseline;gap:1px;
}
.pcard__title i{font-style:normal;color:var(--red);font-size:21px;letter-spacing:.02em}
.pcard__desc{margin-top:12px;font-size:13.8px;line-height:1.72;color:#6E7883;min-height:96px}
.pcard__specs{margin-top:18px;border-top:1px solid var(--line-light)}
.pcard__specs>div{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px solid var(--line-light);font-size:12.8px;
}
.pcard__specs dt{color:#9AA3AE}
.pcard__specs dd{color:#333C46;text-align:right}
.pcard .btnpill{margin-top:20px}

/* ---- stat grid ---- */
.statgrid{
  grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-rows:minmax(150px,auto);gap:18px;margin-top:64px;
}
.statcard{
  background:var(--navy-2);border-radius:26px;padding:26px;
  display:flex;flex-direction:column;justify-content:space-between;
  border:1px solid rgba(255,255,255,.05);
}
.statcard__k{opacity:.5}
.statcard__k svg{width:26px;height:26px;fill:none;stroke:#fff;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.statcard__row{display:flex;align-items:baseline;gap:6px;margin-top:16px}
.statcard__row b{font-size:38px;line-height:1;font-weight:500;color:#fff;letter-spacing:-.02em}
.statcard__row em{font-style:normal;font-size:14px;color:#8C99A8}
.statcard p{font-size:13px;color:#8C99A8;margin-top:10px;line-height:1.6}

.statcard--photo{
  grid-column:span 2;grid-row:span 2;padding:0;overflow:hidden;position:relative;background:#0E1721;
  min-height:340px;border-radius:30px;
}
.statcard--photo img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.92}
.statcard--photo::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(9,14,20,.88));
}
.statcard__cap{position:relative;z-index:2;padding:28px;display:flex;flex-direction:column;gap:4px;margin-top:auto}
.statcard__cap b{font-size:20px;color:#fff;font-weight:500}
.statcard__cap span{font-size:13px;color:#9BA8B6}

.statcard--light{
  grid-column:1 / -1;order:9;background:var(--paper);color:var(--t-dark);
  flex-direction:row;align-items:center;justify-content:space-between;gap:40px;
  padding:26px 26px 26px 34px;border-radius:26px;
}
.statcard--light b{font-size:19px;font-weight:500;display:block}
.statcard--light p{color:#6E7883;margin-top:6px;font-size:13.5px}
.statcard--light .btnpill{width:auto;flex:none;height:48px;padding:0 8px 0 24px}

/* ---- applications ---- */
.app{grid-column:1 / -1;display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-top:60px}
.app__media{
  margin:0;border-radius:34px;overflow:hidden;min-height:420px;background:#0E1721;
}
.app__media img{width:100%;height:100%;object-fit:cover}
.app__card{
  background:var(--paper);color:var(--t-dark);border-radius:34px;padding:34px;
}
.app__card h3{font-size:20px;font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{
  font-size:12.5px;padding:9px 15px;border-radius:999px;background:#F1F3F5;color:#5F6A77;
}
.chip--on{background:rgba(228,35,61,.09);color:var(--red);font-weight:500}
.app__lists{margin-top:28px;border-top:1px solid var(--line-light)}
.app__lists>div{padding:16px 0;border-bottom:1px solid var(--line-light)}
.app__lists h4{font-size:14px;font-weight:500;color:var(--t-dark)}
.app__lists p{font-size:13px;color:#7A848F;margin-top:4px}

/* ---- numbers ---- */
.nums{
  grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:64px;border-top:1px solid var(--line-dark);
}
.num{padding:34px 26px 0 0;border-right:1px solid var(--line-dark)}
.num:last-child{border-right:0}
.num b{font-size:clamp(40px,4.4vw,62px);line-height:1;font-weight:500;color:#fff;letter-spacing:-.03em;display:block}
.num p{margin-top:16px;font-size:13.5px;color:#93A0AE;line-height:1.65;max-width:230px}
.num i{display:block;margin-top:14px;font-style:normal;font-size:11.5px;letter-spacing:.1em;color:#5D6B79;text-transform:uppercase}

/* ---- news / cases cards ---- */
.newscards{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.ncard{
  background:var(--paper);border-radius:var(--r-md);overflow:hidden;color:var(--t-dark);
  display:flex;flex-direction:column;padding-bottom:26px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.ncard:hover{transform:translateY(-6px);box-shadow:0 30px 60px rgba(0,0,0,.32)}
.ncard figure{margin:0;height:210px;overflow:hidden;background:var(--paper-2)}
.ncard figure img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.ncard:hover figure img{transform:scale(1.05)}
.ncard__tag{
  margin:22px 26px 0;align-self:flex-start;font-size:11.5px;letter-spacing:.04em;
  color:var(--red);background:rgba(228,35,61,.08);padding:6px 12px;border-radius:999px;
}
.ncard h3{margin:14px 26px 0;font-size:18.5px;line-height:1.42;font-weight:500}
.ncard p{margin:10px 26px 0;font-size:13px;line-height:1.7;color:#7A848F}

.newslist{grid-column:1 / -1;margin-top:52px;border-top:1px solid var(--line-dark)}
.newslist a{
  display:grid;grid-template-columns:130px minmax(0,1fr) 130px;align-items:center;gap:24px;
  padding:26px 4px;border-bottom:1px solid var(--line-dark);
  transition:padding-left .35s var(--ease),background .35s;
}
.newslist a:hover{padding-left:14px}
.newslist time{font-size:12.5px;color:#6E7C8A;letter-spacing:.04em}
.newslist h3{font-size:17px;font-weight:400;color:#E4E9EE;line-height:1.45}
.newslist a:hover h3{color:#fff}
.newslist span{font-size:12px;color:#8391A0;text-align:right}

/* ================= CONTACT ================= */
.sheet--contact{padding-bottom:120px}
.contact{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:26px;margin-top:52px}
.form{
  background:var(--paper-2);border-radius:var(--r-md);padding:34px;
  display:flex;flex-direction:column;gap:16px;
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field>span{font-size:12px;letter-spacing:.04em;color:#7A848F}
.field input,.field textarea{
  font-family:inherit;font-size:14.5px;color:var(--t-dark);
  background:#fff;border:1px solid transparent;border-radius:14px;
  padding:14px 16px;outline:none;transition:border-color .25s,box-shadow .25s;resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:#AEB7C1}
.field input:focus,.field textarea:focus{border-color:var(--red);box-shadow:0 0 0 4px rgba(228,35,61,.09)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:#7A848F;line-height:1.6;cursor:pointer}
.check input{margin-top:3px;accent-color:var(--red);width:15px;height:15px}
.form .btnpill{margin-top:6px}
.form__note{font-size:13px;color:var(--red);min-height:18px}

.cinfo{display:flex;flex-direction:column;gap:18px}
.cinfo__call{
  background:var(--navy);color:#fff;border-radius:var(--r-md);padding:30px;
  display:flex;flex-direction:column;gap:6px;
}
.cinfo__call span{font-size:12.5px;color:#94A1AF}
.cinfo__tel{font-size:26px;font-weight:500;letter-spacing:-.01em;color:#fff;margin-top:6px}
.cinfo__call i{font-style:normal;font-size:12px;color:#7C8A98;margin-top:8px}
.cinfo__list{border-top:1px solid var(--line-light)}
.cinfo__list>div{padding:16px 0;border-bottom:1px solid var(--line-light)}
.cinfo__list dt{font-size:11.5px;letter-spacing:.08em;color:#9AA3AE;text-transform:uppercase}
.cinfo__list dd{font-size:14px;color:var(--t-dark);margin-top:6px;line-height:1.6}
.cinfo__list a:hover{color:var(--red)}

/* ================= FOOTER ================= */
.footer{background:var(--ink);padding:90px 0 34px;border-top:1px solid rgba(255,255,255,.06)}
.footer__top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.brand--footer .brand__txt b{color:#fff}
.footer__brand p{margin-top:22px;font-size:13px;line-height:1.8;color:#7C8A98;max-width:380px}
.footer__col h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#6E7C8A;margin-bottom:18px}
.footer__col li{margin-bottom:11px}
.footer__col a{font-size:13.5px;color:#B4C0CC;transition:color .25s}
.footer__col a:hover{color:#fff}
.footer__bar{
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  margin-top:64px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;color:#697685;flex-wrap:wrap;
}
.footer__bar-r{display:flex;align-items:center;gap:28px}
.footer__bar a:hover{color:#fff}
.totop{display:inline-flex;align-items:center;gap:8px}
.totop svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* ================= REVEAL ================= */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ================= RESPONSIVE ================= */
@media (max-width:1180px){
  :root{--pad:30px}
  .hero__media{width:56vw;right:-110px}
  .feat{grid-template-columns:minmax(0,1fr) 380px;gap:52px}
  .contact{grid-template-columns:minmax(0,1fr) 330px}
  .sheet .wrap,.dark .wrap{grid-template-columns:280px minmax(0,1fr);column-gap:30px}
  .footer__top{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
}

@media (max-width:960px){
  .navpill{display:none}
  .burger{display:block}
  .hero{min-height:auto;padding:130px 0 210px}
  .hero__media{position:relative;top:auto;right:auto;width:100%;transform:none;margin-top:56px}
  .hero__badge{left:auto;right:16px;bottom:16px;transform:none}
  .hero__scroll{display:none}
  .sheet .wrap,.dark .wrap{grid-template-columns:1fr;row-gap:26px}
  .rail,.h2,.lede,.specrows{grid-column:1;grid-row:auto}
  .rail{padding-top:0}
  .feat{grid-template-columns:1fr;gap:30px;padding:48px 0;margin-top:36px}
  .feat__media{order:-1;aspect-ratio:16/10;border-radius:28px}
  .cards,.newscards{grid-template-columns:1fr 1fr}
  .statgrid{grid-template-columns:1fr 1fr;grid-auto-rows:auto}
  .statcard--photo{grid-column:span 2;grid-row:auto;min-height:300px}
  .app{grid-template-columns:1fr}
  .app__media{min-height:280px}
  .nums{grid-template-columns:1fr 1fr;row-gap:34px}
  .num{border-right:0;padding-right:0}
  .contact{grid-template-columns:1fr}
  .newslist a{grid-template-columns:100px minmax(0,1fr);gap:16px}
  .newslist span{display:none}
  .footer__top{grid-template-columns:1fr 1fr;gap:36px}
  .pcard__desc{min-height:0}
}

@media (max-width:620px){
  :root{--pad:20px;--r-lg:34px}
  body{font-size:15px}
  .topbar{padding:16px var(--pad)}
  .hero{padding:110px 0 170px}
  .hero__glow{width:560px;height:460px;left:-30%}
  .h1{font-size:34px}
  .hero__cta{gap:20px}
  .sheet{padding:56px 0 70px;margin-top:-70px}
  .dark{padding:70px 0}
  .h2{font-size:27px}
  .feat{border-top:0;padding:26px 0 44px}
  .cards,.newscards,.statgrid{grid-template-columns:1fr}
  .statcard--photo{grid-column:1}
  .statcard--light{flex-direction:column;align-items:flex-start;gap:18px}
  .statcard--light .btnpill{width:100%}
  .nums{grid-template-columns:1fr}
  .num b{font-size:46px}
  .form{padding:22px}
  .form__row{grid-template-columns:1fr}
  .footer{padding:60px 0 26px}
  .footer__top{grid-template-columns:1fr}
  .footer__bar{flex-direction:column;align-items:flex-start;gap:14px}
  .brand__txt b{font-size:14px}
  .pcard__img{height:170px}
}

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

/* =========================================================
   SHENGHAI 追加组件（沿用同一套视觉语言：深色/红色/大圆角）
   ========================================================= */

/* 内页 page head */
.pghead{
  position:relative;background:var(--ink);padding:170px 0 96px;overflow:hidden;
}
.pghead__glow{
  position:absolute;right:-8%;top:-30%;width:720px;height:520px;
  background:radial-gradient(circle,rgba(228,35,61,.24),rgba(228,35,61,.04) 46%,transparent 68%);
  pointer-events:none;
}
.pghead__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(to right,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:calc(100% / 6) 100%;
  mask-image:linear-gradient(180deg,transparent,#000 24%,#000 72%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 24%,#000 72%,transparent);
}
.pghead__in{position:relative;z-index:2}
.crumbs{font-size:12.5px;letter-spacing:.04em;color:#7C8895;margin-bottom:26px}
.crumbs a{color:#8B97A4;transition:color .25s}
.crumbs a:hover{color:#fff}
.crumbs i{font-style:normal;opacity:.45;margin:0 8px}
.pghead h1{
  font-size:clamp(34px,4.2vw,60px);line-height:1.09;letter-spacing:-.025em;
  font-weight:500;color:#fff;max-width:20em;
}
.pghead p{margin-top:22px;font-size:16px;line-height:1.75;color:#93A0AE;max-width:620px}

/* 筛选胶囊 */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:52px}
.filters button{
  font-family:inherit;font-size:13px;letter-spacing:.02em;padding:11px 20px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);color:#B6C1CD;
  cursor:pointer;transition:.28s var(--ease);
}
.filters button:hover{background:rgba(255,255,255,.1);color:#fff}
.filters button.on{
  background:linear-gradient(115deg,#F0475F 0%,var(--red) 45%,var(--red-2) 100%);
  border-color:transparent;color:#fff;box-shadow:0 8px 22px rgba(228,35,61,.3);
}

/* 参数表（浅底） */
.specwrap{border-radius:var(--r-md);overflow:hidden;background:var(--paper);box-shadow:0 18px 44px rgba(14,20,27,.06)}
.spectable{width:100%;border-collapse:collapse;font-size:14px}
.spectable td{padding:15px 22px;border-bottom:1px solid var(--line-light);vertical-align:top}
.spectable tr:last-child td{border-bottom:0}
.spectable tr:nth-child(odd) td{background:var(--paper-2)}
.spectable td:first-child{color:#7A848F;width:50%}
.spectable td:last-child{color:var(--t-dark);font-weight:500;text-align:right}

/* 参数表（深底） */
.specwrap--dark{background:rgba(255,255,255,.03);border:1px solid var(--line-dark);border-radius:var(--r-md)}
.specwrap--dark .spectable td{border-bottom-color:var(--line-dark);color:#9BA8B6}
.specwrap--dark .spectable tr:nth-child(odd) td{background:transparent}
.specwrap--dark .spectable td:last-child{color:#E4E9EE}

/* 特性列表 rows 的深色变体 */
.rows--dark{border-top-color:var(--line-dark)}
.rows--dark li{border-bottom-color:var(--line-dark);color:#93A0AE}
.rows--dark li b{color:#E4E9EE}

/* 产品详情两栏 */
.pdet{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:44px;align-items:start;margin-top:56px}
.pdet__side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.shopcard{
  background:var(--navy);border:1px solid rgba(255,255,255,.07);border-radius:var(--r-md);
  padding:30px;display:flex;flex-direction:column;gap:14px;
}
.shopcard h4{font-size:19px;font-weight:500;color:#fff;line-height:1.35}
.shopcard p{font-size:13.5px;line-height:1.7;color:#94A1AF}
.shopcard .btnpill{width:100%}
.shopcard__meta{border-top:1px solid rgba(255,255,255,.1);margin-top:6px;padding-top:16px;
  display:flex;flex-direction:column;gap:12px}
.shopcard__meta>div{display:flex;gap:10px;font-size:13px;color:#94A1AF;line-height:1.55}
.shopcard__meta b{color:#E4E9EE;font-weight:500;word-break:break-word}
.cardlight{background:var(--paper-2);border-radius:var(--r-md);padding:26px}
.cardlight h4{font-size:15px;font-weight:500;color:var(--t-dark);margin-bottom:14px}
.cardlight .kv{display:grid;grid-template-columns:auto 1fr;gap:11px 16px;font-size:13.5px}
.cardlight .kv dt{color:#9AA3AE}
.cardlight .kv dd{color:#333C46;text-align:right;font-weight:500}

/* 产品大图 */
.phero{
  background:linear-gradient(150deg,#F6F8FA 0%,#E7ECF2 100%);
  border-radius:38px;overflow:hidden;outline:1px solid rgba(14,20,27,.06);outline-offset:-1px;
  padding:40px;display:grid;place-items:center;margin-bottom:40px;
}
.phero img{width:100%;max-width:520px;height:auto;object-fit:contain}

/* FAQ */
.faqlist{border-top:1px solid var(--line-light);margin-top:44px}
.faqlist details{border-bottom:1px solid var(--line-light)}
.faqlist summary{
  cursor:pointer;list-style:none;position:relative;
  padding:24px 46px 24px 0;font-size:16.5px;font-weight:500;color:var(--t-dark);line-height:1.5;
}
.faqlist summary::-webkit-details-marker{display:none}
.faqlist summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:300;color:var(--red);
}
.faqlist details[open] summary::after{content:"\2212"}
.faqlist .ans{padding:0 46px 26px 0;font-size:14.5px;line-height:1.8;color:#7A848F}

/* 步骤 */
.steps--dark{margin-top:52px;border-top:1px solid var(--line-dark)}
.steps--dark .step{
  display:grid;grid-template-columns:70px minmax(0,1fr);gap:26px;
  padding:30px 0;border-bottom:1px solid var(--line-dark);
}
.steps--dark .step__no{
  font-size:15px;letter-spacing:.08em;color:var(--red-soft);font-variant-numeric:tabular-nums;
}
.steps--dark .step h4{font-size:17.5px;font-weight:500;color:#E4E9EE;margin-bottom:8px}
.steps--dark .step p{font-size:14px;line-height:1.75;color:#93A0AE}

/* 客户条 */
.clients{
  grid-column:1/-1;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);
  border-radius:var(--r-md);overflow:hidden;margin-top:60px;
}
.client{background:var(--navy-2);padding:30px 22px;text-align:center}
.client b{display:block;font-size:15px;font-weight:500;color:#fff;letter-spacing:.02em}
.client span{display:block;margin-top:8px;font-size:11.5px;letter-spacing:.06em;color:#7C8A98}

/* 服务区域 */
.regions4{
  grid-column:1/-1;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line-light);border:1px solid var(--line-light);
  border-radius:var(--r-md);overflow:hidden;margin-top:52px;
}
.region4{background:var(--paper);padding:30px}
.region4 h4{font-size:16px;font-weight:500;color:var(--t-dark)}
.region4 .loc{font-size:12.5px;color:#9AA3AE;margin-top:6px;margin-bottom:18px}
.region4 .rl{font-size:13.5px;color:#7A848F;margin-bottom:7px}
.region4 .rl b{color:var(--t-dark);font-weight:500}

/* 案例卡 */
.casecard{
  grid-column:1/-1;background:var(--paper);border-radius:var(--r-md);
  padding:38px 40px;margin-top:22px;
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:36px;align-items:start;
}
.casecard__tag{
  display:inline-block;font-size:11.5px;letter-spacing:.05em;color:var(--red);
  background:rgba(228,35,61,.08);padding:7px 14px;border-radius:999px;
}
.casecard h3{font-size:19px;font-weight:500;color:var(--t-dark);line-height:1.42;margin-bottom:12px}
.casecard p{font-size:14px;line-height:1.8;color:#7A848F}

/* 说明条 */
.note4{
  margin-top:26px;padding:20px 24px;border-radius:var(--r-sm);
  background:var(--paper-2);border-left:3px solid var(--red);
  font-size:13.5px;line-height:1.75;color:#6E7883;
}
.note4 b{color:var(--t-dark);font-weight:500}
.note4--dark{background:rgba(255,255,255,.03);border-left-color:var(--red);color:#93A0AE}
.note4--dark b{color:#E4E9EE}

/* 联系页 */
.contact4{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:26px;margin-top:52px}
.cinfo4__call{background:var(--navy);color:#fff;border-radius:var(--r-md);padding:30px}
.cinfo4__call span{font-size:12.5px;color:#94A1AF}
.cinfo4__tel{font-size:25px;font-weight:500;letter-spacing:-.01em;color:#fff;margin-top:8px;display:block}
.cinfo4__list{border-top:1px solid var(--line-light);margin-top:22px}
.cinfo4__list>div{padding:16px 0;border-bottom:1px solid var(--line-light)}
.cinfo4__list dt{font-size:11.5px;letter-spacing:.08em;color:#9AA3AE;text-transform:uppercase}
.cinfo4__list dd{font-size:14px;color:var(--t-dark);margin-top:6px;line-height:1.6}
.cinfo4__list a:hover{color:var(--red)}

/* 响应式补充 */
@media (max-width:1180px){
  .pdet{grid-template-columns:minmax(0,1fr) 320px;gap:30px}
  .contact4{grid-template-columns:minmax(0,1fr) 320px}
  .casecard{grid-template-columns:160px minmax(0,1fr);gap:26px;padding:30px}
}
@media (max-width:960px){
  .pghead{padding:130px 0 72px}
  .pdet{grid-template-columns:1fr}
  .pdet__side{position:static}
  .contact4{grid-template-columns:1fr}
  .regions4{grid-template-columns:1fr}
  .casecard{grid-template-columns:1fr;gap:18px;padding:26px}
  .phero{padding:24px;border-radius:28px}
}
@media (max-width:620px){
  .pghead{padding:110px 0 58px}
  .pghead h1{font-size:29px}
  .pghead p{font-size:14.5px}
  .spectable{font-size:13px}
  .spectable td{padding:12px 15px}
  .casecard{padding:22px}
  .client{padding:22px 14px}
}

/* ================= HERO v2 · 干净的设备展示 ================= */
.heromedia{
  position:absolute;z-index:1;top:50%;transform:translateY(-50%);
  right:max(var(--pad), calc((100vw - var(--wrap)) / 2));
  width:min(44vw,600px);
  pointer-events:none;
}

.heroplate{
  position:relative;border-radius:44px;overflow:hidden;
  background:linear-gradient(155deg,#FAFBFC 0%,#EDF0F4 58%,#E3E8EE 100%);
  box-shadow:0 40px 100px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.09) inset;
  padding:34px 30px 30px;
}
.heroplate::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 50% at 50% 100%,rgba(228,35,61,.07),transparent 70%);
}
.heroplate img{
  position:relative;width:100%;height:auto;display:block;
  filter:drop-shadow(0 26px 40px rgba(14,20,27,.18));
}
.heroplate__cap{
  position:relative;display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;margin-top:22px;padding-top:18px;
  border-top:1px solid rgba(14,20,27,.1);
}
.heroplate__cap b{font-size:14.5px;font-weight:600;color:#0E141B;letter-spacing:-.01em}
.heroplate__cap span{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#78838F}

.herochip{
  position:absolute;left:24px;bottom:-22px;z-index:3;
  background:rgba(12,18,25,.9);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-radius:20px;padding:16px 22px;display:flex;flex-direction:column;gap:3px;
  box-shadow:0 20px 48px rgba(0,0,0,.5);
}
.herochip b{font-size:15px;font-weight:600;color:#fff;letter-spacing:-.01em}
.herochip span{font-size:11.5px;letter-spacing:.08em;color:#9AA6B4}

/* hero 统计条 */
.herostats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:54px;border-top:1px solid rgba(255,255,255,.12);
  max-width:640px;
}
.herostats>div{padding:22px 18px 0 0;border-right:1px solid rgba(255,255,255,.1)}
.herostats>div:last-child{border-right:0;padding-right:0}
.herostats b{display:block;font-size:26px;font-weight:500;color:#fff;line-height:1;letter-spacing:-.02em}
.herostats b em{font-style:normal;font-size:13px;color:#8C99A8;margin-left:3px}
.herostats span{display:block;margin-top:9px;font-size:11.5px;letter-spacing:.04em;color:#7C8A98;line-height:1.45}

/* 市场地位条 */
.posband{background:var(--ink);border-top:1px solid rgba(255,255,255,.07);padding:64px 0}
.posband .wrap{display:block}
.posband__in{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.09);border-radius:24px;overflow:hidden}
.positem{background:var(--navy);padding:34px 30px}
.positem b{display:block;font-size:15px;font-weight:600;color:#fff;letter-spacing:-.01em;margin-bottom:9px}
.positem p{font-size:13.5px;line-height:1.75;color:#93A0AE}

@media (max-width:1180px){
  .heromedia{width:44vw}
  .heroplate{padding:24px 22px 22px;border-radius:34px}
  .herochip{left:-16px;bottom:22px;padding:13px 17px}
  .herochip b{font-size:13.5px}
}
@media (max-width:960px){
  .heromedia{position:relative;top:auto;right:auto;transform:none;width:100%;margin-top:48px}
  .herochip{left:14px;bottom:20px}
  .herostats{grid-template-columns:1fr 1fr;row-gap:16px;max-width:none}
  .herostats>div:nth-child(2){border-right:0}
  .posband__in{grid-template-columns:1fr}
}
@media (max-width:620px){
  .heroplate{padding:18px 16px 16px;border-radius:26px}
  .heroplate__cap{flex-direction:column;gap:4px}
  .herostats b{font-size:22px}
}

.hero__lead{
  margin-top:24px;max-width:520px;font-size:15.5px;line-height:1.78;color:#94A1AF;
}
.hero__lead b{color:#E4E9EE;font-weight:500}

/* =========================================================
   HERO v3 · 设备柔边浮出 + 可信度条
   ========================================================= */

/* 去掉浅色底板，让设备从暗背景里浮出来 */
.heroplate{
  padding:0;
  background:none;
  box-shadow:none;
  border-radius:0;
  overflow:visible;
  position:relative;
}
.heroplate::before{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:118%;height:118%;
  transform:translate(-50%,-50%);
  background:radial-gradient(ellipse 58% 52% at 50% 46%,rgba(150,180,205,.20),rgba(120,150,180,.07) 52%,transparent 74%);
  filter:blur(28px);
  pointer-events:none;
  z-index:0;
}
.heroplate img{
  position:relative;
  z-index:1;
  width:100%;
  height:auto;
  display:block;
  -webkit-mask-image:radial-gradient(ellipse 76% 74% at 50% 50%,#000 44%,rgba(0,0,0,.72) 64%,rgba(0,0,0,.18) 84%,transparent 94%);
  mask-image:radial-gradient(ellipse 76% 74% at 50% 50%,#000 44%,rgba(0,0,0,.72) 64%,rgba(0,0,0,.18) 84%,transparent 94%);
}
/* 型号标签：去掉分隔线，改成会话式说明 */
.heroplate__cap{
  position:relative;
  z-index:2;
  display:flex;
  align-items:baseline;
  justify-content:center;
  gap:12px;
  margin-top:8px;
  padding-top:0;
  border-top:0;
}
.heroplate__cap b{
  font-size:13px;
  font-weight:500;
  color:#C7D0DA;
  letter-spacing:.02em;
}
.heroplate__cap span{
  font-size:11.5px;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:#6E7C8A;
}

/* 浮动数字卡：轻一点，不要抢图 */
.herochip{
  left:auto;
  right:-6px;
  bottom:30px;
  background:rgba(11,17,24,.82);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;
  padding:14px 19px;
  box-shadow:0 16px 40px rgba(0,0,0,.45);
}
.herochip b{font-size:14px;font-weight:500}
.herochip span{font-size:11px;color:#8B97A4;margin-top:2px}

/* 可信度条：客户名一行 */
.trustbar{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  max-width:660px;
}
.trustbar__label{
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#61707E;
  margin-bottom:14px;
}
.trustbar__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 26px;
}
.trustbar__list span{
  font-size:13px;
  color:#8B97A4;
  letter-spacing:.05em;
  font-weight:500;
  transition:color .25s;
}
.trustbar__list span:hover{color:#D7DEE5}

/* hero 主文案 */
.hero__lead{
  margin-top:24px;
  font-size:15.5px;
  line-height:1.75;
  color:#8B97A4;
  max-width:560px;
}
.hero__lead b{color:#DDE3E9;font-weight:500}

@media (max-width:960px){
  .heroplate img{
    -webkit-mask-image:radial-gradient(ellipse 84% 82% at 50% 50%,#000 52%,rgba(0,0,0,.6) 74%,transparent 94%);
    mask-image:radial-gradient(ellipse 84% 82% at 50% 50%,#000 52%,rgba(0,0,0,.6) 74%,transparent 94%);
  }
  .herochip{right:10px;bottom:16px;padding:12px 16px}
  .trustbar{margin-top:34px}
  .trustbar__list{gap:8px 18px}
  .trustbar__list span{font-size:12px}
}

/* 设备图定位：右边缘与内容区对齐，不再出血 */
@media (min-width:1600px){
  .heromedia{width:min(42vw,660px);}
}
@media (max-width:1200px){
  .heromedia{width:42vw;right:var(--pad);}
}
@media (max-width:960px){
  .heromedia{position:relative;top:auto;right:auto;transform:none;width:100%;margin:44px 0 0;}
  .hero{padding-top:120px;padding-bottom:70px;}
}

/* 修复：<picture> 默认 inline 导致内部 img 高度塌陷 */
picture{display:block;width:100%}
.heroplate picture{display:block;width:100%;position:relative;z-index:1}
.heroplate picture img{width:100%;height:auto}
.phero picture{display:block;width:100%}
.phero picture img{width:100%;height:auto}
.app__media picture{display:block;width:100%;height:100%}
.app__media picture img{width:100%;height:100%;object-fit:cover}
.pcard .thumb picture{display:block;width:100%;height:100%}

/* ================= MARKET POSITION ================= */
.mkt{grid-column:1/-1;padding-bottom:58px;margin-bottom:8px;border-bottom:1px solid var(--line-light)}
.mkt__head{display:grid;grid-template-columns:360px minmax(0,1fr);column-gap:44px;align-items:start}
.mkt__k{font-size:13px;letter-spacing:.06em;color:#75808D;padding-top:8px}
.mkt__body h3{
  font-size:clamp(24px,2.7vw,38px);line-height:1.16;letter-spacing:-.022em;
  font-weight:500;color:var(--t-dark);max-width:20em;
}
.mkt__body p{
  margin-top:20px;font-size:15px;line-height:1.8;color:#6B7681;max-width:640px;
}
.mkt__cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.mktcard{background:var(--paper-2);border-radius:22px;padding:26px 24px}
.mktcard__n{font-size:34px;line-height:1;font-weight:500;letter-spacing:-.03em;color:var(--t-dark)}
.mktcard__n em{font-style:normal;font-size:17px;color:var(--red);margin-left:2px}
.mktcard__t{margin-top:12px;font-size:13px;letter-spacing:.04em;color:#9AA3AE;text-transform:uppercase}
.mktcard p{margin-top:10px;font-size:13.5px;line-height:1.7;color:#7A848F}
.mkt__foot{margin-top:26px;font-size:12px;line-height:1.7;color:#9AA3AE;max-width:820px}

@media (max-width:1180px){
  .mkt__head{grid-template-columns:280px minmax(0,1fr);column-gap:30px}
  .mkt__cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .mkt__head{grid-template-columns:1fr;row-gap:14px}
  .mkt__k{padding-top:0}
}
@media (max-width:620px){
  .mkt__cards{grid-template-columns:1fr}
  .mktcard{padding:22px 20px}
  .mkt__body h3{font-size:23px}
}

/* ================= HERO 排版收敛（最终覆盖） ================= */
@media (min-width:1181px){
  .hero .h1{max-width:560px}
  .hero__lead{max-width:540px}
  .herostats{max-width:580px}
  .trustbar{max-width:580px}
}
@media (max-width:1180px){
  .heromedia{
    position:relative;top:auto;right:auto;transform:none;
    width:100%;max-width:560px;margin:52px 0 0;
  }
  .hero__inner{max-width:720px}
  .hero .h1{max-width:100%}
}
@media (max-width:620px){
  .heromedia{margin-top:40px}
  .herochip{left:12px;bottom:-16px;padding:13px 16px}
  .herochip b{font-size:13.5px}
  .heroplate{border-radius:28px;padding:22px 18px 18px}
}

/* ================= 白底产品图融入背景（去白框） ================= */
.heroplate img,
.phero img,
.pcard__img img,
.feat__media img,
.ncard figure img{mix-blend-mode:multiply}

/* 应用区/关于区的图片容器改为浅底，避免白底图贴在深色上 */
.app__media{
  background:linear-gradient(155deg,#F7F9FB 0%,#E9EEF3 100%);
}
.app__media img{mix-blend-mode:multiply}

/* 产品大图容器再压一层柔光，让机器“坐”在台面上 */
.phero{
  background:radial-gradient(120% 90% at 50% 15%,#FFFFFF 0%,#F4F6F9 48%,#E6EBF1 100%);
}
.phero img{filter:drop-shadow(0 26px 36px rgba(14,20,27,.14))}

/* =========================================================
   HERO v5 · 文字在上 / 设备在下方浅色展台
   ========================================================= */
.hero5{
  position:relative;overflow:hidden;padding-top:148px;
  background:
    radial-gradient(120% 80% at 82% -10%, #17222F 0%, transparent 56%),
    linear-gradient(180deg,#0B1118 0%,#0C1219 58%,#0B1118 100%);
  color:#DFE5EB;
}
.hero5__glow{
  position:absolute;left:-14%;top:-22%;width:860px;height:600px;
  background:radial-gradient(circle,rgba(228,35,61,.20),rgba(228,35,61,.04) 46%,transparent 70%);
  filter:blur(12px);pointer-events:none;
}
.hero5__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.42;
  background-image:linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:calc(100% / 6) 100%;
  mask-image:linear-gradient(180deg,transparent,#000 20%,#000 52%,transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 20%,#000 52%,transparent 88%);
}
.hero5__top{position:relative;z-index:2;padding-bottom:64px}

.hero5__eyebrow{
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#7C8895;
  display:flex;align-items:center;gap:10px;
}
.hero5__eyebrow::before{content:"";width:26px;height:1px;background:var(--red);flex:none}

.hero5__h1{
  margin-top:28px;max-width:15em;
  font-size:clamp(34px,4.6vw,66px);line-height:1.07;letter-spacing:-.028em;
  font-weight:500;color:#AEB8C4;
}
.hero5__h1 em{font-style:normal;color:#fff}

.hero5__lead{
  margin-top:28px;max-width:640px;
  font-size:16px;line-height:1.8;color:#8D99A6;
}
.hero5__lead span{display:block;margin-top:10px;color:#6F7C8A;font-size:15px}

.hero5__cta{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-top:38px}

.hero5__stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:60px;border-top:1px solid rgba(255,255,255,.12);max-width:720px;
}
.hero5__stats>div{padding:22px 22px 0 0;border-right:1px solid rgba(255,255,255,.1)}
.hero5__stats>div:last-child{border-right:0}
.hero5__stats b{
  display:block;font-size:clamp(26px,2.6vw,36px);line-height:1;font-weight:500;
  color:#fff;letter-spacing:-.028em;
}
.hero5__stats b em{font-style:normal;font-size:15px;color:var(--red-soft);margin-left:3px}
.hero5__stats span{display:block;margin-top:10px;font-size:12.5px;line-height:1.5;color:#7C8895}

.hero5__trust{margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.08)}
.hero5__trustlabel{
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#66727F;
}
.hero5__trustlist{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:16px;align-items:center;
}
.hero5__trustlist span{
  font-size:14px;font-weight:500;letter-spacing:.04em;color:#93A0AE;
  transition:color .25s;
}
.hero5__trustlist span:hover{color:#fff}

/* ---- 展台 ---- */
.hero5__stage{
  position:relative;z-index:2;padding:54px 0 130px;
  background:linear-gradient(180deg,#F8FAFC 0%,#EEF2F6 60%,#E7ECF2 100%);
  border-radius:52px 52px 0 0;
}
.stagefig{margin:0 auto;max-width:1080px;position:relative}
.stagefig::after{
  content:"";position:absolute;left:12%;right:12%;bottom:74px;height:60px;z-index:0;
  background:radial-gradient(ellipse at center,rgba(14,20,27,.16),transparent 72%);
  filter:blur(18px);pointer-events:none;
}
.stagefig picture{position:relative;z-index:1;display:block}
.stagefig img{
  position:relative;z-index:1;
  width:100%;height:auto;max-height:520px;object-fit:contain;
  mix-blend-mode:multiply;
}
.stagefig figcaption{
  position:relative;z-index:2;
  display:flex;align-items:baseline;justify-content:center;gap:16px;flex-wrap:wrap;
  margin-top:6px;padding-top:22px;border-top:1px solid rgba(14,20,27,.1);
}
.stagefig figcaption b{font-size:15px;font-weight:600;color:#0E141B;letter-spacing:-.01em}
.stagefig figcaption span{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:#78838F}
.stagefig figcaption i{font-style:normal;font-size:12.5px;color:var(--red);letter-spacing:.02em}

/* v5 里 sheet 上浮，压在展台底部形成层次 */
.hero5 + .sheet{margin-top:-104px;border-radius:52px}

@media (max-width:1180px){
  .hero5{padding-top:126px}
  .hero5__stats{max-width:100%}
}
@media (max-width:960px){
  .hero5{padding-top:112px}
  .hero5__top{padding-bottom:48px}
  .hero5__stats{grid-template-columns:1fr 1fr;row-gap:26px;margin-top:46px}
  .hero5__stats>div{border-right:0;padding-right:0}
  .hero5__stage{padding:38px 0 110px;border-radius:34px 34px 0 0}
  .stagefig img{max-height:420px}
  .hero5 + .sheet{margin-top:-88px;border-radius:34px}
}
@media (max-width:620px){
  .hero5{padding-top:100px}
  .hero5__h1{font-size:31px}
  .hero5__lead{font-size:15px}
  .hero5__lead span{font-size:14px}
  .hero5__stats b{font-size:25px}
  .hero5__trustlist{gap:8px 16px}
  .hero5__trustlist span{font-size:13px}
  .hero5__stage{padding:26px 0 96px}
  .stagefig::after{display:none}
  .hero5 + .sheet{margin-top:-72px}
  .stagefig figcaption{flex-direction:column;gap:6px;align-items:flex-start}
}