/* ==========================================================================
   JUFOC · 钜控智能 — Global stylesheet
   Clean light / tech-blue design system
   ========================================================================== */

:root{
  --ink:#0F1B2E;
  --navy:#EEF4FC;            /* light blue-grey block background */
  --navy-2:#F5F8FE;          /* softer block background */
  --navy-3:#DCE8FA;
  --blue:#1F6BFF;
  --blue-2:#3D87FF;
  --blue-3:#1557E8;
  --cyan:#0E9BB5;
  --paper:#FFFFFF;
  --mist:#F5F8FE;
  --mist-2:#EAF1FB;
  --line:#DFE8F6;
  --line-dark:rgba(15,27,46,.08);
  /* 卡片描边：比 --line 再深一档，白底上要能看出边界 */
  --card-line:#C9D9EF;
  --card-line-hover:#A5C1EC;
  --text:#0F1B2E;
  --text-2:#4A5B72;
  --text-3:#8190A6;
  --text-inv:#0F1B2E;
  --text-inv-2:#4A5B72;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --shadow-s:0 2px 12px rgba(15,30,60,.075);
  --shadow-m:0 18px 44px -20px rgba(20,60,130,.24);
  --shadow-l:0 40px 80px -32px rgba(20,60,130,.3);
  --ff:"Inter","Segoe UI","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ff-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --nav-h:76px;
  --ease:cubic-bezier(.22,.68,.24,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);color:var(--text);background:var(--paper);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.16;letter-spacing:-.02em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--blue);color:#fff}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.wrap--wide{max-width:1440px}
.sec{position:relative;padding:clamp(64px,8vw,116px) 0}
.sec--tight{padding:clamp(48px,5vw,72px) 0}
.s-dark{background:var(--navy);color:var(--text)}
.s-dark h1,.s-dark h2,.s-dark h3,.s-dark h4{color:var(--text)}
.s-light{background:var(--paper)}
.s-mist{background:var(--mist)}

/* ---------- type ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--ff-mono);
  font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);
  font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.65}
.h-sec{font-size:clamp(27px,3.4vw,42px);letter-spacing:-.025em;margin-top:16px}
.lead{font-size:clamp(15px,1.15vw,17px);color:var(--text-2);max-width:62ch}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap}
.sec-head .lead{margin-top:14px}
.mono{font-family:var(--ff-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.hl{color:var(--blue)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 26px;border-radius:999px;font-size:14.5px;font-weight:600;
  letter-spacing:.01em;transition:all .32s var(--ease);white-space:nowrap;position:relative;
  border:1px solid transparent;
}
.btn svg{width:16px;height:16px;transition:transform .32s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{background:linear-gradient(135deg,#2C79FF,#1557E8);color:#fff;border:1px solid #1557E8;box-shadow:0 10px 26px -10px rgba(31,107,255,.55)}
.btn--primary:hover{background:linear-gradient(135deg,#3D87FF,#1F6BFF);box-shadow:0 14px 32px -10px rgba(31,107,255,.7);transform:translateY(-2px)}
.btn--ghost{border-color:rgba(15,27,46,.18);color:var(--text);background:rgba(255,255,255,.7)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue);background:#fff}
.btn--dark{border-color:rgba(15,27,46,.18);color:var(--text);background:rgba(255,255,255,.7)}
.btn--dark:hover{border-color:var(--blue);color:var(--blue);background:#fff}
.btn--sm{height:42px;padding:0 20px;font-size:13.5px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--blue);transition:gap .28s var(--ease)}
.link-arrow:hover{gap:13px}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .4s,box-shadow .4s,border-color .4s,backdrop-filter .4s;
  color:var(--text);
  /* 置顶（页面顶部）：浅蓝玻璃底，与下方主视觉明确区分，文字清晰 */
  background:linear-gradient(180deg,rgba(240,247,255,.92),rgba(229,240,253,.60));
  backdrop-filter:saturate(155%) blur(14px);
  border-bottom:1px solid rgba(31,107,255,.14);
  box-shadow:0 6px 22px -16px rgba(20,50,110,.34);
}
.site-header.is-solid{
  background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(20px);
  box-shadow:0 10px 34px -20px rgba(20,50,110,.42);
}
.site-header.is-solid::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,107,255,.30) 22%,rgba(34,224,245,.24) 78%,transparent);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{height:40px;width:auto;flex-shrink:0;display:block}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.13em;color:var(--text)}
.brand-sub{font-size:10px;letter-spacing:.28em;color:var(--text-3);margin-top:4px;font-weight:500}

.nav{display:flex;align-items:center;gap:4px;margin-left:18px}
.nav > li > a{
  display:block;padding:10px 16px;font-size:14px;font-weight:500;color:#3C4E66;
  border-radius:11px;transition:color .28s,background .28s;position:relative;
}
.nav > li > a::before{
  content:"";position:absolute;left:50%;right:50%;bottom:6px;height:2.5px;border-radius:3px;
  background:linear-gradient(90deg,var(--blue),var(--blue-2));
  box-shadow:0 2px 9px -1px rgba(31,107,255,.55);
  transition:left .3s var(--ease),right .3s var(--ease),opacity .3s var(--ease);
  opacity:0;
}
.nav > li > a:hover{
  color:var(--blue);
  background:linear-gradient(180deg,rgba(31,107,255,.10),rgba(31,107,255,.04));
}
.nav > li > a:hover::before{left:18px;right:18px;opacity:1}
.nav > li > a.is-active{
  color:var(--blue);font-weight:600;
  background:linear-gradient(180deg,rgba(31,107,255,.12),rgba(31,107,255,.05));
}
.nav > li > a.is-active::before{left:18px;right:18px;opacity:1}

.header-right{display:flex;align-items:center;gap:16px;margin-left:auto}
.lang{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden;height:32px}
.lang button{padding:0 12px;height:100%;font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.04em;transition:.25s}
.lang button.is-on{background:var(--blue);color:#fff}
.lang button:hover{color:var(--blue)}
.lang button.is-on:hover{color:#fff}
.header-cta{height:42px;padding:0 22px;font-size:13.5px;border-radius:11px;
  box-shadow:0 10px 22px -12px rgba(31,107,255,.55);transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease)}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(31,107,255,.62);filter:brightness(1.05)}

.burger{display:none;width:42px;height:42px;border-radius:10px;position:relative;z-index:2}
.burger span{display:block;width:20px;height:2px;background:var(--text);margin:4px auto;border-radius:2px;transition:.3s var(--ease)}
body.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;background:#fff;z-index:110;
  padding:calc(var(--nav-h) + 16px) 26px 0;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.35s var(--ease);
  overflow:hidden;border-top:1px solid var(--line);
}
body.nav-open .drawer{opacity:1;visibility:visible;transform:none}
/* 中间链接区独立滚动，底部按钮常驻 */
.drawer-links{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-bottom:18px}
.drawer-links::-webkit-scrollbar{width:0}
/* 只作用于导航链接，绝不能命中底部的 .btn（否则字号/颜色被覆盖） */
.drawer-links > a{
  color:var(--text);font-size:19px;font-weight:600;padding:15px 0;
  border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.drawer-links > a > .d-label{min-width:0}
.drawer-links > a > .d-num{
  font-style:normal;font-size:10.5px;color:var(--blue);
  font-family:var(--ff-mono);letter-spacing:.14em;flex-shrink:0;
}
.drawer-foot{
  flex-shrink:0;padding:14px 0 calc(18px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);background:#fff;
}
.drawer-foot .btn{width:100%;justify-content:center;font-size:15px;height:50px}

/* header-in must be a flex row — fixes the nav stacking / wrapping bug */
.header-in{display:flex;align-items:center;gap:18px}
.nav{flex-wrap:nowrap;flex-shrink:1;min-width:0}
.nav > li > a{white-space:nowrap}

/* ---- products mega menu (hover) ---- */
.has-menu{position:relative}
.megamenu{
  position:absolute;top:100%;left:0;transform:translateY(12px);
  width:min(700px,88vw);background:#fff;border:1px solid var(--card-line);
  border-radius:16px;box-shadow:0 30px 70px -28px rgba(18,46,100,.45);
  padding:24px;opacity:0;visibility:hidden;transition:opacity .22s,transform .22s;z-index:130;
}
.megamenu::before{content:"";position:absolute;top:-16px;left:0;right:0;height:18px}
.has-menu:hover .megamenu,.has-menu:focus-within .megamenu{
  opacity:1;visibility:visible;transform:translateY(0)}
.megamenu-in{display:flex;gap:26px}
.mm-col{flex:1;min-width:0}
.mm-col.mm-feature{flex:1.25;border-left:1px solid var(--line);padding-left:26px}
.mm-title{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 12px}
.mm-col a{display:block;padding:9px 10px;border-radius:9px;color:var(--text);font-size:14px;font-weight:500;transition:.2s}
.mm-col a:hover{background:var(--mist-2);color:var(--blue);padding-left:14px}
.mm-feat{display:flex!important;align-items:center;gap:12px!important;padding:8px 10px!important}
.mm-feat img{width:46px;height:46px;object-fit:contain;border-radius:8px;background:var(--mist);padding:4px;flex-shrink:0}
.mm-feat span{display:flex;flex-direction:column;line-height:1.25}
.mm-feat b{font-size:13.5px;color:var(--text);font-weight:700}
.mm-feat i{font-style:normal;font-size:11px;color:var(--text-3);font-family:var(--ff-mono)}

/* ---- right-side floating contact bar (round icons) ---- */
.side-contact{
  position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:115;
  display:flex;flex-direction:column;gap:13px;padding:0 12px 0 0}
.sc-item{
  width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;text-decoration:none;border:0;cursor:pointer;position:relative;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
  box-shadow:0 6px 16px -8px rgba(12,40,90,.55)}
.sc-item svg{width:20px;height:20px}
.sc-phone{background:linear-gradient(135deg,#2C79FF,#0E9BB5)}
.sc-wa{background:linear-gradient(135deg,#2BD36E,#1FAE57)}
.sc-mail{background:linear-gradient(135deg,#19A7C4,#0E7F97)}
.sc-top{background:linear-gradient(135deg,#41556F,#2C3A4E)}
.sc-msg{background:linear-gradient(135deg,#5B6CFF,#3A45E0);box-shadow:0 8px 20px -8px rgba(91,108,255,.75)}
/* default: calm circular icon; hover reveals effect */
.sc-item:hover{transform:scale(1.12);filter:brightness(1.06);box-shadow:0 12px 26px -10px rgba(12,40,90,.65)}
/* hover popup bubble */
.sc-pop{
  position:absolute;right:58px;top:50%;transform:translateY(-50%) translateX(12px);
  background:#fff;border:1px solid var(--card-line);border-radius:11px;padding:9px 15px;
  box-shadow:0 16px 36px -16px rgba(18,46,100,.45);opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),transform .22s var(--ease);white-space:nowrap;pointer-events:none}
.sc-pop::after{content:"";position:absolute;right:-6px;top:50%;transform:translateY(-50%) rotate(45deg);
  width:11px;height:11px;background:#fff;border-right:1px solid var(--line);border-top:1px solid var(--line)}
.sc-item:hover .sc-pop{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.sc-pop b{display:block;font-size:10.5px;color:var(--text-3);font-weight:600;letter-spacing:.04em}
.sc-pop i{display:block;font-size:13.5px;color:var(--text);font-style:normal;font-weight:700;font-family:var(--ff-mono);margin-top:2px}

/* drawer sub-links (product categories) —— 只显示子菜单，紧凑分组，不撑高抽屉 */
.drawer-links a.d-sub{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;font-weight:500;color:var(--text-2);
  padding:11px 6px 11px 15px;margin-left:13px;
  border-bottom:1px solid #EDF2FA;border-left:2px solid #E1EAF7;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-links a.d-sub .d-sub__t{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.drawer-links a.d-sub > svg{width:14px;height:14px;flex:0 0 auto;color:#C6D3E4;transition:color .2s var(--ease),transform .2s var(--ease)}
.drawer-links a.d-sub:hover{
  color:var(--blue);border-left-color:var(--blue);background:#F7FAFF;padding-left:19px;
}
.drawer-links a.d-sub:hover > svg{color:var(--blue);transform:translateX(2px)}
.drawer-links a.d-sub:last-of-type{border-bottom-color:#DCE7F6;margin-bottom:4px}
.drawer-links > a.is-active{color:var(--blue)}

/* 矮屏手机（如 667/640 高度）收紧抽屉，保证所有子菜单一屏可见 */
@media (max-height:730px){
  .drawer{padding:calc(var(--nav-h) + 10px) 22px 0}
  .drawer-links > a{font-size:17px;padding:11px 0}
  .drawer-links a.d-sub{font-size:13.5px;padding:9px 6px 9px 14px}
  .drawer-foot{padding:10px 0 calc(12px + env(safe-area-inset-bottom))}
  .drawer-foot .btn{height:46px;font-size:14px}
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;min-height:min(100vh,860px);display:flex;align-items:center;
  background:linear-gradient(112deg,#F6FAFF 0%,#ECF3FF 48%,#E1ECFF 100%);
  color:var(--text);overflow:hidden;padding:calc(var(--nav-h) + 40px) 0 40px;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{
  width:100%;height:100%;object-fit:cover;object-position:64% 50%;
  opacity:.96;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(58% 60% at 72% 42%,rgba(31,107,255,.16),transparent 70%),
    linear-gradient(95deg,#F6FAFF 40%,rgba(236,243,255,.35) 64%,transparent 84%);
}
.grid-lines{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(15,27,46,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,27,46,.045) 1px,transparent 1px);
  background-size:88px 88px;
  mask-image:linear-gradient(to bottom,#000 0%,transparent 75%);
  -webkit-mask-image:linear-gradient(to bottom,#000 0%,transparent 75%);
}
.hero-in{position:relative;z-index:3;width:100%}
.hero-copy{max-width:660px}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;padding:7px 15px 7px 12px;border-radius:999px;
  border:1px solid rgba(31,107,255,.25);background:rgba(255,255,255,.7);
  font-size:12px;letter-spacing:.04em;color:var(--text-2);
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(31,107,255,.12);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.82)}}
.hero h1{
  font-size:clamp(38px,5.4vw,74px);line-height:1.04;letter-spacing:-.035em;margin:26px 0 0;
  font-weight:800;color:var(--text);
}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#1557E8,#0C8BA8 82%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:24px;font-size:clamp(15px,1.2vw,17.5px);line-height:1.75;color:var(--text-2);max-width:56ch}
.hero-actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero-specs{
  display:flex;gap:0;margin-top:64px;border-top:1px solid var(--line);
  padding-top:26px;flex-wrap:wrap;
}
.hero-specs div{padding-right:38px;margin-right:38px;border-right:1px solid var(--line)}
.hero-specs div:last-child{border:0;margin-right:0;padding-right:0}
.hero-specs b{display:block;font-size:clamp(22px,2.2vw,30px);font-weight:700;letter-spacing:-.02em;color:var(--text)}
.hero-specs b span{font-size:.55em;color:var(--blue);margin-left:3px}
.hero-specs small{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);font-family:var(--ff-mono)}
.hero-scroll{
  position:absolute;bottom:30px;right:44px;z-index:4;
  font-family:var(--ff-mono);font-size:10px;letter-spacing:.24em;color:var(--text-3);
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.hero-scroll i{width:1px;height:34px;background:linear-gradient(to bottom,var(--blue),transparent);animation:drop 2s infinite}
@keyframes drop{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}100%{transform:scaleY(.2);transform-origin:bottom}}

/* page hero (inner pages) */
.phero{
  position:relative;background:linear-gradient(115deg,#EAF2FF 0%,#F4F8FE 60%,#FFFFFF 100%);color:var(--text);overflow:hidden;
  padding:calc(var(--nav-h) + 76px) 0 70px;
}
.phero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 120% at 82% 8%,rgba(31,107,255,.18),transparent 62%),
             radial-gradient(40% 80% at 8% 100%,rgba(14,155,181,.1),transparent 70%);
}
.phero .grid-lines{opacity:.5;mask-image:linear-gradient(to bottom,#000,transparent 90%);-webkit-mask-image:linear-gradient(to bottom,#000,transparent 90%)}
.phero-photo{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3;
  filter:saturate(.9);
  mask-image:linear-gradient(95deg,transparent 4%,rgba(0,0,0,.4) 42%,#000 92%);
  -webkit-mask-image:linear-gradient(95deg,transparent 4%,rgba(0,0,0,.4) 42%,#000 92%);
}
.phero-in{position:relative;z-index:2}
.phero h1{font-size:clamp(30px,4vw,54px);margin-top:18px;letter-spacing:-.03em}
.phero p{margin-top:18px;max-width:62ch;color:var(--text-2);font-size:16px}

/* 联系页「三步走」：编号做成可见的进度标记 */
.steps-grid{gap:16px}
.steps-grid .cap{
  position:relative;overflow:hidden;
  padding:26px 24px 24px;border-radius:14px;
  border:1px solid var(--card-line);background:#fff;
  box-shadow:0 2px 12px rgba(15,30,60,.05);
}
.steps-grid .cap::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,#1F6BFF 0%,rgba(31,107,255,.15) 55%,transparent 100%);
}
.steps-grid .cap__num{
  position:absolute;top:20px;right:22px;
  font-family:var(--ff-mono);font-size:13px;font-weight:700;
  color:#8FB3EC;letter-spacing:.06em;
}
.steps-grid .cap h3{font-size:16px;padding-right:44px;line-height:1.35}
.steps-grid .cap p{font-size:13px;line-height:1.68;color:var(--text-2);margin-top:8px}
@media (max-width:720px){
  .steps-grid{gap:10px}
  .steps-grid .cap{padding:16px 14px 14px}
  .steps-grid .cap__num{top:12px;right:12px;font-size:10px}
  .steps-grid .cap h3{font-size:13.5px;padding-right:26px}
  .steps-grid .cap p{font-size:11.5px;margin-top:6px}
}

/* 联系页首屏：左侧文案 + 右侧响应承诺，填掉半屏空白 */
.phero-in--ct{display:flex;align-items:flex-end;justify-content:space-between;gap:clamp(32px,5vw,72px)}
.phero-in--ct .phero-copy{max-width:640px}
.phero-facts{display:grid;gap:10px;width:296px;flex-shrink:0;margin-bottom:4px}
.phero-fact{
  display:flex;align-items:baseline;gap:12px;padding:13px 16px;border-radius:12px;
  background:rgba(255,255,255,.74);border:1px solid var(--card-line);
  box-shadow:0 2px 14px rgba(15,30,60,.05);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.phero-fact b{font-size:19px;color:var(--blue);letter-spacing:-.02em;min-width:52px}
.phero-fact span{font-size:11.5px;color:var(--text-2);line-height:1.45}

/* ==========================================================================
   PRODUCTS / CARDS
   ========================================================================== */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:36px}
.tab{
  padding:10px 20px;border-radius:999px;border:1px solid var(--card-line);font-size:13.5px;
  font-weight:500;color:var(--text-2);background:#fff;transition:.25s var(--ease);
}
.tab:hover{border-color:var(--card-line-hover);color:var(--blue)}
.tab.is-on{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 8px 20px -10px rgba(31,107,255,.7)}

.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px}
.pgrid--3{grid-template-columns:repeat(3,1fr)}

.pcard{
  position:relative;background:#fff;border:1px solid var(--card-line);border-radius:var(--r-m);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:var(--card-line-hover)}
.pcard__media{
  position:relative;aspect-ratio:1/.92;background:#fff;display:grid;place-items:center;
  padding:22px;overflow:hidden;
}
.pcard__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 50% 120%,rgba(31,107,255,.08),transparent 60%);
  opacity:0;transition:opacity .4s;
}
.pcard:hover .pcard__media::after{opacity:1}
.pcard__media img{
  width:100%;height:100%;object-fit:contain;
  transition:transform .55s var(--ease);
}
.pcard:hover .pcard__media img{transform:scale(1.055)}
.pcard__tag{
  position:absolute;top:14px;left:14px;z-index:2;font-family:var(--ff-mono);font-size:10px;
  letter-spacing:.12em;text-transform:uppercase;padding:4px 9px;border-radius:4px;
  background:rgba(31,107,255,.1);color:var(--blue);
}
.pcard__tag--new{background:rgba(14,155,181,.14);color:#0C8BA8}
.pcard__body{position:relative;padding:0 22px 22px;display:flex;flex-direction:column;flex:1;border-top:1px solid #F1F5FC;margin-top:auto;padding-top:18px}
.pcard__name{font-size:16px;font-weight:700;letter-spacing:-.01em}
.pcard__desc{font-size:13px;color:var(--text-3);margin-top:6px;line-height:1.6;min-height:42px}
.pcard__meta{display:flex;gap:14px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);flex-wrap:wrap}
.pcard__meta div{font-family:var(--ff-mono);font-size:10.5px;color:var(--text-3);letter-spacing:.04em}
.pcard__meta b{display:block;font-family:var(--ff);font-size:13px;color:var(--text);font-weight:600;margin-top:2px;letter-spacing:0}
/* clickable area vs. add-to-list button */
.pcard__link{display:flex;flex-direction:column;flex:1;color:inherit;text-decoration:none}
.pcard__plus{
  position:absolute;right:14px;bottom:14px;z-index:3;width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;border:0;cursor:pointer;color:#fff;
  background:linear-gradient(135deg,#2C79FF,#1557E8);
  box-shadow:0 10px 20px -8px rgba(31,107,255,.6);transition:.28s var(--ease);
}
.pcard__plus svg{width:18px;height:18px}
.pcard__plus:hover{transform:scale(1.1);box-shadow:0 14px 24px -8px rgba(31,107,255,.7)}
.pcard__plus.is-added{background:linear-gradient(135deg,#22C55E,#15803D);box-shadow:0 10px 20px -8px rgba(22,163,74,.55)}
.pcard.is-added{box-shadow:0 0 0 1px rgba(22,163,74,.35),var(--shadow-m)}

/* capability cards */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:52px}
.cap-grid--3{grid-template-columns:repeat(3,1fr)}
.cap{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-m);padding:34px 28px 32px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;position:relative;
}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--card-line-hover)}
.cap__ico{width:40px;height:40px;color:var(--blue);margin-bottom:22px}
.cap h3{font-size:16.5px;margin-bottom:10px;color:var(--text)}
.cap p{font-size:13.5px;line-height:1.72;color:var(--text-2)}
.cap__num{position:absolute;top:22px;right:24px;font-family:var(--ff-mono);font-size:10px;color:var(--text-3);letter-spacing:.1em}

/* ==========================================================================
   SPLIT FEATURE
   ========================================================================== */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(36px,6vw,90px);align-items:center}
.split--rev{direction:rtl}
.split--rev > *{direction:ltr}
.split-media{position:relative;border-radius:var(--r-l);overflow:hidden;background:#F4F8FE;border:1px solid var(--card-line);box-shadow:var(--shadow-s)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.15}
.split-media--glow::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(15,27,46,.18),transparent 55%);
}
.split-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;padding:12px 18px;border-radius:12px;
  background:rgba(15,27,46,.72);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(14px);
  display:flex;align-items:center;gap:12px;
}
.split-badge b{font-size:15px;color:#fff;display:block;line-height:1.2}
.split-badge span{font-size:11px;color:rgba(255,255,255,.7);font-family:var(--ff-mono);letter-spacing:.1em}
.split-badge i{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.14);display:grid;place-items:center;color:#fff;flex-shrink:0}

.check-list{margin-top:28px;display:grid;gap:2px}
.check-item{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
.check-item:last-child{border-bottom:0}
.check-item i{
  width:22px;height:22px;border-radius:50%;background:rgba(31,107,255,.1);color:var(--blue);
  display:grid;place-items:center;flex-shrink:0;margin-top:3px;
}
.check-item b{display:block;font-size:14.5px;font-weight:600;margin-bottom:3px;color:var(--text)}
.check-item p{font-size:13px;color:var(--text-3);line-height:1.6}

/* stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:clamp(48px,6vw,80px);background:#fff;border-radius:var(--r-m);overflow:hidden}
.stat{padding:36px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(30px,3.6vw,48px);font-weight:800;letter-spacing:-.03em;line-height:1;color:var(--blue)}
.stat b span{color:var(--blue-3);font-size:.5em;font-weight:600;margin-left:2px}
.stat small{display:block;margin-top:12px;font-size:12.5px;color:var(--text-2);letter-spacing:.04em}

/* ==========================================================================
   APPLICATION / SOLUTIONS
   ========================================================================== */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.app{
  position:relative;padding:34px 30px 30px;border-radius:var(--r-m);overflow:hidden;
  background:#fff;border:1px solid var(--card-line);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;min-height:250px;
  display:flex;flex-direction:column;
}
.app::before{
  content:"";position:absolute;right:-40px;top:-40px;width:170px;height:170px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,107,255,.12),transparent 68%);
  transition:.5s;opacity:.8;
}
.app:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);border-color:var(--card-line-hover)}
.app:hover::before{opacity:1;transform:scale(1.25)}
.app__ico{width:44px;height:44px;color:var(--blue);margin-bottom:auto}
.app h3{font-size:19px;margin-top:26px;position:relative;color:var(--text)}
.app p{font-size:13.5px;color:var(--text-2);margin-top:10px;line-height:1.7;position:relative}
.app__chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:18px;position:relative}
.app__chips span{font-family:var(--ff-mono);font-size:10px;letter-spacing:.06em;padding:4px 9px;border-radius:4px;background:var(--mist-2);color:var(--text-2)}

/* ==========================================================================
   NEWS
   ========================================================================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.ncard{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-m);padding:28px;display:flex;flex-direction:column;transition:.35s var(--ease);min-height:280px}
.ncard:hover{border-color:var(--card-line-hover);box-shadow:var(--shadow-m);transform:translateY(-4px)}
.ncard__top{display:flex;align-items:center;gap:12px;font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.1em;color:var(--text-3)}
.ncard__cat{padding:3px 9px;border-radius:4px;background:rgba(31,107,255,.09);color:var(--blue);font-weight:600}
.ncard h3{font-size:17px;line-height:1.42;margin-top:18px;letter-spacing:-.01em}
.ncard p{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.68}
.ncard .link-arrow{margin-top:auto;padding-top:22px;color:var(--blue)}

/* ==========================================================================
   CTA BAND
   ========================================================================== */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#EAF2FF,#DCEBFF 55%,#EAF2FF);color:var(--text);padding:clamp(56px,7vw,92px) 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(31,107,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(31,107,255,.06) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(70% 100% at 80% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 100% at 80% 50%,#000,transparent);
}
.cta-in{position:relative;display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap}
.cta-in h2{font-size:clamp(25px,3vw,38px);letter-spacing:-.025em;max-width:20ch;color:var(--text)}
.cta-in p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:48ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{background:#F2F6FB;color:var(--text-2);padding:54px 0 0;border-top:1px solid var(--line)}
.footer-social{display:flex;justify-content:center;align-items:center;gap:18px;padding:4px 0 38px}
.soc-ic{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;border:0;cursor:pointer;text-decoration:none;color:#fff;transition:.28s var(--ease);position:relative}
.soc-ic svg{width:21px;height:21px;display:block}
.si-li{background:linear-gradient(135deg,#0A66C2,#084C91)}
.si-fb{background:linear-gradient(135deg,#1877F2,#0E5FC2)}
.si-wa{background:linear-gradient(135deg,#25D366,#1DA851)}
.si-wx{background:linear-gradient(135deg,#1AAD19,#138B11)}
.soc-ic:hover{transform:translateY(-4px);box-shadow:0 14px 26px -12px rgba(12,40,90,.5)}
.si-pop{position:absolute;bottom:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(6px);background:#fff;color:var(--text);border:1px solid var(--card-line);border-radius:12px;padding:9px 14px;font-size:12.5px;line-height:1.5;white-space:nowrap;box-shadow:0 14px 30px -12px rgba(12,40,90,.45);opacity:0;pointer-events:none;transition:.25s var(--ease)}
.si-pop b{display:block;font-weight:600}
.si-pop i{font-style:normal;color:var(--text-3);font-family:var(--ff-mono)}
.si-wx:hover .si-pop,.si-wx:focus .si-pop,.si-wx.is-open .si-pop{opacity:1;transform:translateX(-50%) translateY(0)}
.si-pop::after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);border:7px solid transparent;border-top-color:#fff}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;text-align:center;font-size:12px;color:var(--text-3)}
.footer-bottom a:hover{color:var(--blue)}

/* ==========================================================================
   FORMS
   ========================================================================== */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:12.5px;font-weight:600;color:var(--text-2);letter-spacing:.02em}
.field label em{color:#E5484D;font-style:normal}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;
  font-family:var(--ff);font-size:14px;color:var(--text);background:#fff;transition:.25s;
  appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235A6B85' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;padding-right:40px;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(31,107,255,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B6C8}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-note{font-size:12px;color:var(--text-3);line-height:1.7;margin-top:6px}
.form-hint{font-size:11.5px;color:var(--text-3);margin-top:8px;line-height:1.5}
.field.is-error input,.field.is-error textarea{border-color:#E5484D;box-shadow:0 0 0 4px rgba(229,72,77,.12)}
.form-msg.is-err{background:rgba(229,72,77,.08);border-color:rgba(229,72,77,.3);color:#C8373B}

/* spec table */
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px}
.spec-table th,.spec-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table th{width:42%;color:var(--text-2);font-weight:500;background:var(--mist)}
.spec-table td{font-weight:600;color:var(--text);font-family:var(--ff-mono);font-size:12.5px}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}

/* ---------- misc ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.pill{padding:8px 15px;border-radius:999px;border:1px solid var(--card-line);font-size:12.5px;color:var(--text-2);background:#fff}

.divider{height:1px;background:var(--line);border:0;margin:0}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1180px){
  .wrap{padding:0 32px}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .nav > li > a{padding:9px 11px;font-size:13.5px}
  .header-in{gap:20px}
  /* 窄屏下拉菜单只留产品类别一列，隐藏“热门型号(推荐产品)”避免被裁切 */
  .megamenu .mm-feature{display:none}
}
@media (max-width:1024px){
  :root{--nav-h:68px}
  .nav,.header-cta{display:none}
  .burger{display:block}
  .pgrid,.pgrid--3{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:36px}
  .split--rev{direction:ltr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 70px) 0 70px}
  .hero-bg img{object-position:60% 40%;opacity:.6}
  .hero-specs div{padding-right:24px;margin-right:24px}
}
@media (max-width:720px){
  .wrap{padding:0 20px}
  body{font-size:15px}
  .sec{padding:56px 0}
  /* compact header so brand + language + burger fit a 360 px screen */
  .header-in{gap:10px}
}
@media (max-width:920px){
  .side-contact{display:none}
}
@media (max-width:720px){
  .header-right{gap:8px}
  .brand{gap:8px}
  .brand-mark{height:33px;width:auto}
  .brand-name{font-size:15.5px;letter-spacing:.1em}
  .brand-sub{font-size:8px;letter-spacing:.14em;margin-top:3px}
  .lang{height:28px}
  .lang button{padding:0 9px;font-size:11px}
  .burger{width:36px;height:36px}
  .burger span{width:18px}
  .news-grid{gap:14px}
  .hero h1{font-size:clamp(30px,8.4vw,44px)}
  .hero-sub{font-size:14.5px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:10px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-specs{gap:20px 0;margin-top:44px}
  .hero-specs div{width:50%;padding-right:0;margin-right:0;border-right:0}
  .hero-specs div:nth-child(odd){border-right:1px solid var(--line)}
  .hero-scroll{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:24px 16px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
  .form-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:20px}
  .split-badge{left:12px;bottom:12px;padding:10px 14px}
  .phero{padding:calc(var(--nav-h) + 52px) 0 50px}
  .tabs{margin-top:26px;gap:6px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none}
  .tabs::-webkit-scrollbar{display:none}
  .tab{flex-shrink:0;padding:9px 16px;font-size:12.5px}
}
@media (max-width:400px){
  .wrap{padding:0 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ==========================================================================
   PAGE BLOCKS — product detail / about / solutions / contact
   ========================================================================== */
.pcard__sub{
  font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--blue);margin-top:7px;
}

/* --- product detail --- */
.pad-nav{padding-top:calc(var(--nav-h) + clamp(30px,4vw,52px))}
.pd{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(32px,5vw,72px);align-items:start}
.pd-media{
  position:sticky;top:calc(var(--nav-h) + 24px);background:#fff;border:1px solid var(--card-line);
  border-radius:var(--r-l);padding:32px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;box-shadow:var(--shadow-s);
}
.pd-media img{width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;display:block;flex:0 0 auto}
.pd-badge{
  display:inline-block;font-family:var(--ff-mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;padding:5px 10px;border-radius:4px;background:rgba(31,107,255,.09);color:var(--blue);
}
.pd h1{font-size:clamp(28px,3vw,40px);margin-top:16px;letter-spacing:-.03em}
.pd-sub{font-family:var(--ff-mono);font-size:12px;letter-spacing:.08em;color:var(--text-3);margin-top:12px;text-transform:uppercase}
.pd-desc{font-size:15px;color:var(--text-2);line-height:1.8;margin-top:20px}
.pd-keys{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--card-line);border-radius:12px;overflow:hidden;margin-top:26px}
.pd-keys div{background:#fff;padding:16px 18px}
.pd-keys span{display:block;font-size:11.5px;color:var(--text-3);letter-spacing:.04em}
.pd-keys b{display:block;font-size:20px;font-weight:700;margin-top:4px;letter-spacing:-.02em}
.pd-actions{display:flex;gap:7px;margin-top:26px;flex-wrap:wrap}
.pd-actions .btn{flex:1 1 0;min-width:0;height:44px;padding:0 12px;font-size:12.5px;gap:6px;justify-content:center}
.pd-actions .btn svg{width:14px;height:14px}
.pd-block{margin-top:clamp(56px,7vw,88px)}
.pd-block h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:22px;letter-spacing:-.02em}
.pd-cols{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.pd-note{background:var(--mist);border:1px solid var(--card-line);border-radius:var(--r-m);padding:26px 28px;margin-top:26px}
.pd-note p{font-size:13px;color:var(--text-2);line-height:1.75}
.pd-note b{display:block;font-size:14px;margin-bottom:6px;color:var(--text)}

/* --- product details (above related) --- */
.pd-detail-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:clamp(30px,5vw,64px);align-items:stretch}
.pd-detail-text{display:flex;flex-direction:column;justify-content:flex-start}
.pd-detail-lead{font-size:15px;line-height:1.95;color:var(--text-2);margin:0}
.pd-detail-tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}
.pd-detail-tags span{font-size:12.5px;padding:7px 15px;border:1px solid var(--card-line);border-radius:999px;background:#fff;color:var(--text-2)}
.pd-detail-text .link-arrow{margin-top:8px;align-self:flex-start}
.pd-detail-media{background:#F4F8FE;border:1px solid var(--card-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-s);min-height:300px}
.pd-detail-media img{width:100%;height:100%;object-fit:cover;display:block;min-height:300px}

/* --- about --- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,80px);align-items:center}
.frame{position:relative;border-radius:var(--r-l);overflow:hidden;background:#F4F8FE;border:1px solid var(--card-line);box-shadow:var(--shadow-s)}
.frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.frame--tall img{aspect-ratio:3/3.4}
.frame-tag{
  position:absolute;top:18px;left:18px;padding:8px 14px;border-radius:8px;
  background:rgba(15,27,46,.7);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);
  font-family:var(--ff-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#fff;
}
.timeline{margin-top:48px;border-top:1px solid var(--line)}
.tl-item{display:grid;grid-template-columns:120px 1fr;gap:32px;padding:26px 0;border-bottom:1px solid var(--line)}
.tl-item b{font-family:var(--ff-mono);font-size:15px;color:var(--blue);letter-spacing:.04em}
.tl-item h4{font-size:16px;margin-bottom:6px;color:var(--text)}
.tl-item p{font-size:13.5px;color:var(--text-2);line-height:1.7;max-width:70ch}
.cert-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:38px}
.cert{
  border:1px solid var(--card-line);border-radius:12px;padding:22px 18px;text-align:center;background:#fff;
  transition:.3s var(--ease);
}
.cert:hover{border-color:var(--card-line-hover);box-shadow:var(--shadow-s);transform:translateY(-3px)}
.cert b{display:block;font-family:var(--ff-mono);font-size:14px;letter-spacing:.04em;color:var(--text)}
.cert span{display:block;font-size:11.5px;color:var(--text-3);margin-top:6px}

/* --- news page --- */
.nrow{display:grid;grid-template-columns:170px 1fr;gap:36px;padding:38px 0;border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--nav-h) + 20px)}
.nrow:last-child{border-bottom:0}
.nrow__meta{font-family:var(--ff-mono);font-size:11px;letter-spacing:.1em;color:var(--text-3)}
.nrow__meta b{display:block;font-size:13px;color:var(--text);font-family:var(--ff);letter-spacing:0;font-weight:600;margin-bottom:8px}
.nrow h2{font-size:clamp(18px,2vw,23px);line-height:1.4;letter-spacing:-.015em}
.nrow p{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:12px;max-width:74ch}
.nrow__body p:first-child{margin-top:16px}
.nrow:target{background:linear-gradient(90deg,rgba(31,107,255,.04),transparent)}
@media (max-width:720px){
  .nrow{grid-template-columns:1fr;gap:12px;padding:26px 0}
}

/* --- solutions --- */
.sol-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center;padding:clamp(44px,5vw,64px) 0;border-bottom:1px solid var(--line)}
.sol-row:last-child{border-bottom:0}
.sol-row:nth-child(even) .sol-copy{order:2}
.sol-visual{
  position:relative;border-radius:var(--r-l);overflow:hidden;aspect-ratio:4/3;
  background:radial-gradient(120% 100% at 20% 0%,#EAF2FF,#F4F8FE 70%);
  border:1px solid var(--card-line);display:grid;place-items:center;box-shadow:var(--shadow-s);
}
.sol-visual::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,27,46,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(15,27,46,.04) 1px,transparent 1px);
  background-size:40px 40px;mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent);
}
.sol-visual svg{width:96px;height:96px;color:var(--blue);opacity:.95;position:relative;z-index:1;filter:drop-shadow(0 0 26px rgba(31,107,255,.2))}
.sol-visual::after{
  content:counter(sol,decimal-leading-zero);position:absolute;right:16px;bottom:2px;
  font-size:130px;font-weight:800;line-height:.9;letter-spacing:-.05em;
  color:rgba(15,27,46,.05);pointer-events:none;
}
.sol-row{counter-increment:sol}
.sol-visual .sol-metric{
  position:absolute;left:20px;bottom:18px;font-family:var(--ff-mono);font-size:10px;
  letter-spacing:.12em;color:rgba(15,27,46,.45);text-transform:uppercase;
}
.sol-num{font-family:var(--ff-mono);font-size:11px;letter-spacing:.18em;color:var(--blue)}
.sol-row h2{font-size:clamp(24px,2.8vw,34px);margin-top:12px;letter-spacing:-.025em}
.sol-row p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-top:16px;max-width:52ch}
.sol-specs{display:flex;gap:26px;margin-top:24px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}
.sol-specs div b{display:block;font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--text)}
.sol-specs div span{font-size:11.5px;color:var(--text-3)}

/* --- contact --- */
.contact-grid{display:grid;grid-template-columns:1.22fr 1fr;gap:clamp(26px,3vw,40px);align-items:start}
.form-card{
  position:relative;background:#fff;border:1px solid var(--card-line);border-radius:var(--r-l);
  padding:clamp(24px,3vw,40px);box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;overflow:hidden;
}
/* 顶部一条品牌渐变细线，白卡不显得寡淡 */
.form-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,#1F6BFF,#3D87FF 45%,#22E0F5);
}
.form-card h2{font-size:22px;letter-spacing:-.02em}
.form-card > p{font-size:13.5px;color:var(--text-3);margin-top:10px;line-height:1.7}
.form-msg{
  margin-top:16px;padding:14px 16px;border-radius:10px;background:rgba(22,163,74,.08);
  border:1px solid rgba(22,163,74,.28);color:#15803D;font-size:13px;
}
/* ---- 右侧联系方式卡：浅雾面 + 卡片化信息块 ---- */
.info-card{
  display:flex;flex-direction:column;
  background:linear-gradient(172deg,#FAFCFF 0%,#F3F8FF 44%,#E9F1FD 100%);
  color:var(--text-2);
  border:1px solid var(--card-line);
  border-radius:var(--r-l);
  padding:clamp(22px,2.4vw,30px);
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-m);
}
/* 右上角一抹淡蓝光，替代原来的深色底 */
.info-card::before{
  content:"";position:absolute;right:-110px;top:-140px;width:330px;height:330px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,135,255,.15),transparent 68%);pointer-events:none;
}
/* 左下角一点青，避免单色发闷 */
.info-card::after{
  content:"";position:absolute;left:-100px;bottom:-130px;width:270px;height:270px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,224,245,.11),transparent 70%);pointer-events:none;
}
.info-card > *{position:relative;z-index:1}
.info-card h3{
  font-size:15px;color:var(--text);letter-spacing:-.01em;font-weight:700;
  display:flex;align-items:center;gap:9px;
}
.info-card h3::before{
  content:"";width:5px;height:15px;border-radius:2px;flex-shrink:0;
  background:linear-gradient(180deg,#1F6BFF,#22E0F5);
}
.info-list{
  margin-top:16px;display:grid;grid-template-columns:1fr 1fr;
  grid-auto-rows:auto;gap:12px;
}
.info-list li{
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:12px;
  padding:17px 18px;font-size:12.5px;line-height:1.55;color:var(--text-2);
  background:#fff;border:1px solid #DCE7F6;border-radius:14px;
  box-shadow:0 1px 2px rgba(20,50,100,.035);
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease),transform .28s var(--ease);
}
.info-list li:hover{
  border-color:#A9C4EC;transform:translateY(-2px);
  box-shadow:0 14px 28px -18px rgba(22,60,130,.45);
}
/* 工厂地址横跨两列，横向排布 */
.info-list li:last-child{
  grid-column:1 / -1;flex-direction:row;align-items:center;gap:13px;
}
.info-list svg{
  width:30px;height:30px;padding:7px;border-radius:9px;flex-shrink:0;
  background:linear-gradient(148deg,#EAF2FF,#DCE9FE);
  border:1px solid #CFE0F8;color:#1F6BFF;
  transition:background .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease);
}
.info-list li:hover svg{
  background:linear-gradient(148deg,#1F6BFF,#3D87FF);border-color:#1F6BFF;color:#fff;
}
.info-list li > div{min-width:0;display:flex;flex-direction:column}
.info-list b{
  display:block;color:#7C90A9;font-size:10px;letter-spacing:.11em;text-transform:uppercase;
  font-family:var(--ff-mono);margin-bottom:4px;font-weight:600;
}
.info-list a{
  color:var(--text);font-size:14px;font-weight:600;letter-spacing:-.01em;
  transition:color .2s var(--ease);
  text-decoration:none;word-break:break-word;
}
.info-list a:hover{color:#1F6BFF}
.info-strong{
  color:var(--text);font-size:13.5px;font-weight:600;letter-spacing:-.01em;
}
.info-desc{
  display:block;margin-top:7px;font-size:11px;line-height:1.5;color:#94A7BF;
}
.info-map{
  margin-left:auto;display:inline-flex;align-items:center;gap:4px;flex-shrink:0;
  font-size:11px;font-weight:600;color:#5C7FAE;
  padding:6px 10px;border-radius:99px;background:#EDF3FC;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.info-map svg{width:11px;height:11px;padding:0;background:none;border:0;border-radius:0;color:currentColor}
.info-list li:hover .info-map{background:#1F6BFF;color:#fff}
.info-list li:hover .info-map svg{background:none;border:0;color:#fff}
.info-card .pill-row{margin-top:14px;padding-top:0;gap:6px}
.info-card .pill{
  border-color:transparent;color:#5E7591;background:#EAF1FC;
  font-size:11px;padding:7px 12px;
}
/* WhatsApp 直达按钮：白底描边，悬停填充品牌蓝 */
.info-cta{
  display:flex;align-items:center;gap:10px;
  margin-top:14px;padding:16px 18px;border-radius:12px;
  background:#fff;border:1px solid #C9DBF3;
  color:#16345C;font-size:13px;font-weight:600;
  box-shadow:0 1px 2px rgba(20,50,100,.04);
  transition:background .28s var(--ease),border-color .28s var(--ease),color .28s var(--ease),
             box-shadow .28s var(--ease),transform .28s var(--ease);
}
.info-cta svg{width:16px;height:16px;flex-shrink:0;color:#1F6BFF;transition:color .28s var(--ease)}
.info-cta .arr{margin-left:auto;transition:transform .28s var(--ease)}
.info-cta:hover{
  background:#1F6BFF;border-color:#1F6BFF;color:#fff;transform:translateY(-1px);
  box-shadow:0 16px 30px -16px rgba(31,107,255,.65);
}
.info-cta:hover svg{color:#fff}
.info-cta:hover .arr{transform:translateX(3px)}

@media (max-width:1024px){
  .pd{grid-template-columns:1fr;gap:34px}
  .pd-media{position:static;aspect-ratio:auto;padding:24px}
  .pd-cols,.about-grid,.sol-row,.contact-grid,.pd-detail-grid{grid-template-columns:1fr}
  .phero-in--ct{display:block}
  .phero-facts{display:none}
  .sol-row:nth-child(even) .sol-copy{order:0}
  .cert-strip{grid-template-columns:repeat(3,1fr)}
  .tl-item{grid-template-columns:90px 1fr;gap:18px}
  .cap-grid--3{grid-template-columns:1fr}
}

/* --- Chinese typography --- */
body.is-zh{line-height:1.8}
body.is-zh h1,body.is-zh h2,body.is-zh h3,body.is-zh h4{letter-spacing:0}
body.is-zh .hero h1{letter-spacing:-.01em;line-height:1.18;font-weight:800}
body.is-zh .h-sec{line-height:1.28}
body.is-zh .eyebrow{letter-spacing:.12em}
body.is-zh .lead{line-height:1.9}
body.is-zh .pcard__desc{line-height:1.75}
body.is-zh .hero-sub{line-height:1.9}
body.is-zh .btn{letter-spacing:.02em}
body.is-zh .mono,body.is-zh .pcard__sub,body.is-zh .pcard__meta div{letter-spacing:.04em}
@media (max-width:720px){
  .cert-strip{grid-template-columns:1fr 1fr}
  .tl-item{grid-template-columns:1fr;gap:6px}
  .pd-keys{grid-template-columns:1fr 1fr}
  .sol-specs{gap:18px}
  .form-grid{grid-template-columns:1fr}
}

/* ---------------- requirement list bottom bar ---------------- */
.rfq-bar{
  position:fixed;left:50%;bottom:18px;transform:translate(-50%,140%);
  z-index:118;width:min(680px,calc(100% - 28px));
  opacity:0;pointer-events:none;transition:transform .45s var(--ease),opacity .45s var(--ease);
}
.rfq-bar.is-show{transform:translate(-50%,0);opacity:1;pointer-events:auto}
.rfq-bar__in{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:13px 16px 13px 20px;border-radius:16px;
  background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(18px);
  border:1px solid var(--card-line);box-shadow:0 18px 46px -20px rgba(18,46,100,.55);
}
.rfq-bar__info{display:flex;align-items:center;gap:13px;min-width:0}
.rfq-bar__icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,#2C79FF,#1557E8);color:#fff;
}
.rfq-bar__icon svg{width:21px;height:21px}
.rfq-bar__text{font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rfq-bar__text b{font-size:18px;color:var(--blue);font-weight:800;margin-right:2px}
.rfq-bar__actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.rfq-bar__clear{
  border:0;background:transparent;color:var(--text-3);font-size:13px;cursor:pointer;
  font-family:var(--ff);padding:6px 4px;
}
.rfq-bar__clear:hover{color:var(--blue)}
.rfq-bar__cta{height:44px;padding:0 20px}
@media (max-width:560px){
  /* 手机端：清空按钮保留，改成紧凑小胶囊；只留数字，腾出空间 */
  .rfq-bar{bottom:12px;width:calc(100% - 20px)}
  .rfq-bar__in{padding:10px 12px 10px 13px;border-radius:14px;gap:10px}
  .rfq-bar__info{gap:10px}
  .rfq-bar__icon{width:34px;height:34px;border-radius:10px}
  .rfq-bar__icon svg{width:18px;height:18px}
  .rfq-bar__text{font-size:12px;min-width:0}
  .rfq-bar__text b{font-size:16px}
  .rfq-bar__text span{display:none}
  .rfq-bar__actions{gap:7px}
  .rfq-bar__clear{
    display:inline-flex;align-items:center;justify-content:center;
    height:32px;padding:0 10px;border-radius:99px;
    background:#F1F5FC;border:1px solid #DEE8F6;
    color:#7C90A9;font-size:11.5px;font-weight:600;line-height:1;
    white-space:nowrap;flex-shrink:0;
  }
  .rfq-bar__clear:hover,.rfq-bar__clear:active{background:#E6EEFA;color:var(--blue);border-color:#C9DCF7}
  .rfq-bar__cta{height:36px;padding:0 13px;font-size:12.5px;gap:5px}
  .rfq-bar__cta svg{width:14px;height:14px}
}

/* ---------------- ODM / OEM service page ---------------- */
.oem-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.oem-step{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-m);padding:26px 24px;position:relative;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.oem-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--card-line-hover)}
.oem-step__no{font-family:var(--ff-mono);font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.08em}
.oem-step h3{font-size:16px;font-weight:700;margin:10px 0 8px}
.oem-step p{font-size:13px;color:var(--text-3);line-height:1.7;margin:0}
.oem-terms{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.oem-term{background:var(--mist);border:1px solid var(--card-line);border-radius:12px;padding:20px 18px}
.oem-term b{display:block;font-size:15px;color:var(--text);margin-bottom:4px}
.oem-term span{font-size:12.5px;color:var(--text-3);line-height:1.6}
.oem-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.oem-stat{text-align:center;padding:26px 16px;background:#fff;border:1px solid var(--card-line);border-radius:var(--r-m)}
.oem-stat b{display:block;font-size:30px;font-weight:800;color:var(--blue);letter-spacing:-.02em}
.oem-stat span{font-size:13px;color:var(--text-3);margin-top:8px;display:block;line-height:1.5}
.sec-note{max-width:760px;margin:28px auto 0;text-align:center;font-size:14px;color:var(--text-2);line-height:1.8}
@media (max-width:920px){
  .oem-steps,.oem-terms,.oem-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .oem-steps,.oem-terms,.oem-stats{grid-template-columns:1fr}
}


/* ==========================================================================
   FOOTER v2 — 原站四栏深色版（替换浅色单行页脚）
   ========================================================================== */
.ft{background:var(--ink);color:#93A8BE;padding:76px 0 0}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}
.ft-col h4{font-family:var(--ff);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:#7E93AB;margin:0 0 18px;font-weight:600}
.ft-col ul{list-style:none;margin:0;padding:0}
.ft-col li{margin:0}
.ft-col a{color:#B7C7D8;font-size:14px;display:inline-block;padding:5px 0;text-decoration:none;transition:color .2s var(--ease)}
.ft-col a:hover{color:#fff}
.ft-brand p{font-size:13.5px;line-height:1.7;max-width:300px;margin:18px 0 0;color:#93A8BE}
.ft-brand .ft-legal{font-size:13px;color:#7E93AB;margin-top:12px}
.ft-logo{display:inline-block;line-height:0}
.ft-logo img{height:34px;width:auto;opacity:.96}
.ft-addr{font-size:12.5px;color:#7E93AB;line-height:1.6;margin:18px 0 0}
.ft-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px;color:#7E93AB}
.ft-bottom a{color:#B7C7D8}
@media (max-width:980px){
  .ft{padding:56px 0 0}
  .ft-grid{grid-template-columns:1fr 1fr;gap:38px}
  .ft-brand{grid-column:1 / -1}
  .ft-brand p{max-width:none}
}
/* 手机端：隐藏“产品类别 / 公司 / 联系我们”三列导航，页脚只留品牌 + 一行联系 */
.ft-mini{display:none}
@media (max-width:620px){
  .ft{padding:40px 0 0}
  .ft-grid{grid-template-columns:1fr;gap:0}
  .ft-grid .ft-col{display:none}
  .ft-brand p{font-size:12.5px;margin-top:14px;line-height:1.65}
  .ft-brand .ft-legal{font-size:12px;margin-top:8px}
  .ft-mini{
    display:flex;flex-wrap:wrap;align-items:center;gap:4px 0;
    margin-top:14px;font-size:12.5px;color:#7E93AB;
  }
  .ft-mini a{color:#B7C7D8;white-space:nowrap}
  /* 分隔点挂在链接自身的伪元素上，换行时不会孤零零留在行尾 */
  .ft-mini i{display:none}
  .ft-mini a + a::before{content:"·";margin:0 9px;color:rgba(255,255,255,.22)}
  .ft-bottom{margin-top:22px;padding:16px 0;flex-direction:column;gap:6px;font-size:11.5px}
}

/* ==========================================================================
   MOBILE COMPACT — 手机端一屏两卡 / 收紧留白
   （放在文件末尾，确保覆盖前面同权重的卡片基础样式）
   ========================================================================== */
@media (max-width:720px){
  .sec{padding:44px 0}
  .sec--tight{padding:36px 0}

  /* ---- 首屏：从整屏压到半屏，图不再压住文字 ---- */
  .hero{
    min-height:0;
    padding:calc(var(--nav-h) + 8px) 0 16px;
    align-items:flex-start;
    background:linear-gradient(180deg,#EFF5FF 0%,#F6FAFF 72%);
  }
  .hero-copy{max-width:100%}
  .hero-tag{font-size:10px;padding:5px 11px 5px 9px;gap:7px;letter-spacing:.03em}
  .hero-tag i{width:5px;height:5px;box-shadow:0 0 0 3px rgba(31,107,255,.14)}
  .hero h1{font-size:clamp(22px,6.4vw,28px);line-height:1.12}
  .hero-sub{
    font-size:12.5px;line-height:1.58;margin-top:10px;max-width:none;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .hero-actions{flex-direction:row;align-items:stretch;gap:8px;margin-top:14px}
  .hero-actions .btn{flex:1;width:auto;justify-content:center;padding:11px 8px;font-size:12.5px;gap:6px}
  .hero-actions .btn svg{width:14px;height:14px}
  /* 四个数字排成一行，不再两行两列 */
  .hero-specs{display:flex;justify-content:space-between;gap:0;margin-top:13px}
  .hero-specs div{
    width:auto;flex:1 1 0;padding:0;margin:0;text-align:left;
    border-right:0!important;
  }
  .hero-specs div + div{padding-left:8px}
  .hero-specs b{font-size:16px;letter-spacing:-.01em}
  .hero-specs b span{font-size:.6em}
  .hero-specs small{font-size:8px;letter-spacing:.03em;margin-top:3px;display:block}
  /* 图片只做背景：中上部露出主体，底部压白保证数字清晰 */
  .hero-bg img{object-position:74% 42%;opacity:1;filter:saturate(.96)}
  .hero-bg::after{
    background:
      radial-gradient(66% 56% at 86% 32%,rgba(31,107,255,.10),transparent 72%),
      linear-gradient(96deg,#F4F9FF 36%,rgba(244,249,255,.92) 50%,rgba(244,249,255,.55) 72%,rgba(244,249,255,.16) 100%),
      linear-gradient(180deg,rgba(244,249,255,0) 40%,rgba(244,249,255,.5) 62%,rgba(246,250,255,.96) 82%,#F6FAFF 94%);
  }
  .grid-lines{opacity:.35}

  /* ---- 产品卡：一横两个 ---- */
  .pgrid,.pgrid--3{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:26px}
  .pcard{border-radius:12px}
  .pcard__media{padding:10px;aspect-ratio:1/.96}
  .pcard__tag{top:8px;left:8px;font-size:8.5px;padding:3px 6px;letter-spacing:.06em}
  .pcard__body{padding:10px 11px 12px;padding-top:10px;padding-bottom:44px}
  .pcard__name{font-size:13px;line-height:1.35;letter-spacing:0;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .pcard__sub{font-size:9px;letter-spacing:.02em;margin-top:4px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .pcard__desc{font-size:11.5px;line-height:1.55;min-height:0;margin-top:5px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .pcard__meta{display:none}
  .pcard__plus{right:8px;bottom:8px;width:28px;height:28px;box-shadow:0 6px 14px -8px rgba(31,107,255,.6)}
  .pcard__plus svg{width:14px;height:14px}
  .pcard:hover{transform:none;box-shadow:var(--shadow-s)}

  /* ---- 能力卡 / 应用卡：一横两个 ---- */
  .cap-grid,.cap-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px}
  .cap{padding:16px 13px 15px;border-radius:12px}
  .cap__ico{width:26px;height:26px;margin-bottom:10px}
  .cap h3{font-size:13px;margin-bottom:5px;line-height:1.4}
  .cap p{font-size:11.5px;line-height:1.55}
  .cap__num{top:12px;right:12px;font-size:9px}

  .app-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:26px}
  .app{padding:16px 13px 15px;min-height:0;border-radius:12px}
  .app::before{width:120px;height:120px;right:-34px;top:-34px}
  .app__ico{width:28px;height:28px;margin-bottom:0}
  .app h3{font-size:13.5px;margin-top:12px;line-height:1.4}
  .app p{font-size:11.5px;margin-top:5px;line-height:1.55;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .app__chips{margin-top:10px;gap:4px}
  .app__chips span{font-size:8.5px;padding:2px 6px}
  .app__chips span:nth-child(n+3){display:none}

  /* ---- OEM 步骤 / 条款 / 数据：一横两个 ---- */
  .oem-steps,.oem-terms,.oem-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:26px}
  .oem-step{padding:16px 13px;border-radius:12px}
  .oem-step__no{font-size:11.5px}
  .oem-step h3{font-size:13.5px;margin:7px 0 5px}
  .oem-step p{font-size:11px;line-height:1.55}
  .oem-term{padding:14px 12px;border-radius:10px}
  .oem-term b{font-size:13px}
  .oem-term span{font-size:11px;line-height:1.5}
  .oem-stat{padding:16px 8px;border-radius:12px}
  .oem-stat b{font-size:21px}
  .oem-stat span{font-size:11px;margin-top:5px}

  /* ---- 认证 / 数据条 ---- */
  .cert-strip{gap:9px;margin-top:26px}
  .cert{padding:15px 10px}
  .cert b{font-size:12px}
  .cert span{font-size:10.5px;margin-top:4px}
  .stats{margin-top:32px}
  .stat{padding:20px 14px}
  .stat b{font-size:clamp(26px,7.4vw,34px)}

  .pd-block{margin-top:44px}
  .pd-block h2{margin-bottom:16px}
}
@media (max-width:380px){
  .site-header .wrap{padding:0 12px}
  .header-in{gap:10px}
  .brand-sub{display:none}
  .pd-actions{flex-direction:column}
  .pd-actions .btn{width:100%}
  .pgrid,.pgrid--3,.cap-grid,.cap-grid--3,.app-grid,.oem-steps,.oem-terms,.oem-stats{gap:8px}
  .pcard__name{font-size:12px}
  .pcard__body{padding:9px 9px 10px;padding-bottom:40px}
  .cap,.app,.oem-step{padding:14px 11px}
}


/* ==========================================================================
   SCROLL FX — 滚动进度条 / 视差 / 入场动效
   ========================================================================== */

/* 顶部阅读进度条 */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:210;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,#1F6BFF,#3D87FF 52%,#22E0F5);
  box-shadow:0 0 12px rgba(31,107,255,.5);
  pointer-events:none;will-change:transform;opacity:0;transition:opacity .3s;
}
.scroll-progress.is-on{opacity:1}

/* 视差图层：JS 探测成功后才会加 .is-px，失败时图片保持原样。
   scale 的溢出量（每边 6%）始终大于最大位移（每边 4%），不会露白边。 */
.is-px{
  transform:translate3d(0,var(--py,0),0) scale(1.12);
  will-change:transform;
  backface-visibility:hidden;
}

/* 入场动效：位移更短、曲线更“跟手”，避免长列表滚动时发飘 */
.reveal{
  opacity:0;transform:translate3d(0,34px,0) scale(.985);
  transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1);
  will-change:opacity,transform;
}
.reveal.in{opacity:1;transform:none;will-change:auto}

/* 大图/媒体块：滚动到视口时由下往上"揭开"，像刚加载完成 */
.rv-media{
  clip-path:inset(0 0 101% 0);
  transition:clip-path 1.15s cubic-bezier(.16,1,.3,1);
  will-change:clip-path;
}
.rv-media.rv-on{clip-path:inset(0 0 0 0);will-change:auto}

/* 首屏文案逐层上浮，形成"页面加载完成"的序列 */
@keyframes heroRise{
  from{opacity:0;transform:translate3d(0,26px,0)}
  to{opacity:1;transform:translate3d(0,0,0)}
}
.hero-copy > *{animation:heroRise 1s cubic-bezier(.16,1,.3,1) both}
.hero-copy > *:nth-child(1){animation-delay:.05s}
.hero-copy > *:nth-child(2){animation-delay:.13s}
.hero-copy > *:nth-child(3){animation-delay:.23s}
.hero-copy > *:nth-child(4){animation-delay:.33s}
.hero-copy > *:nth-child(5){animation-delay:.42s}

/* 首屏文案随滚动退场 */
.hero-copy{will-change:transform,opacity}

@media (max-width:720px){
  /* 手机端视差幅度收窄，优先保证跟手 */
  .is-px{transform:translate3d(0,var(--py,0),0) scale(1.08)}
  .reveal{transform:translate3d(0,22px,0)}
  .reveal{transition-duration:.7s}
  .rv-media{transition-duration:.85s}
  .hero-copy{will-change:auto}
}
@media (prefers-reduced-motion:reduce){
  .is-px{transform:none!important}
  .scroll-progress{display:none}
  .hero-copy{transform:none!important;opacity:1!important}
}

/* 卡片入场后交还自身的 hover 过渡：
   .reveal.in 的 transform:none 与 0.8s 曲线会盖掉 .pcard:hover 等规则，
   这里用更高特异性把它们还原。 */
.pcard.in,.cap.in,.app.in,.ncard.in,.cert.in,.oem-step.in{
  transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s var(--ease),opacity .55s var(--ease);
}
.pcard.in:hover{transform:translateY(-6px)}
.cap.in:hover,.ncard.in:hover,.oem-step.in:hover{transform:translateY(-4px)}
.app.in:hover{transform:translateY(-5px)}
.cert.in:hover{transform:translateY(-3px)}
@media (max-width:720px){
  .pcard.in:hover,.cap.in:hover,.app.in:hover,.ncard.in:hover{transform:none}
}

/* ---- 联系卡：窄屏改为自适应高度，避免 1fr 把格子拉高 ---- */
@media (max-width:720px){
  .contact-grid{gap:18px}
  .info-card{padding:18px 14px}
  /* 手机端：一栏两个、格子收紧，不再单个占满一行 */
  .info-list{
    grid-template-columns:1fr 1fr;grid-template-rows:none;
    gap:8px;flex:0 0 auto;
  }
  .info-list li{padding:11px 11px 12px;gap:7px;justify-content:flex-start;border-radius:11px}
  .info-list svg{width:25px;height:25px;padding:5px;border-radius:7px}
  .info-list a{font-size:12px}
  .info-strong{font-size:11.5px;line-height:1.45}
  .info-list b{font-size:9px;letter-spacing:.06em;margin-bottom:3px}
  /* 次要说明在手机端隐藏，避免把格子撑高 */
  .info-desc{display:none}
  /* 工厂地址：单独一行占满 */
  .info-list li:last-child{
    grid-column:1 / -1;display:block;position:relative;padding:11px 11px 12px;
  }
  .info-list li:last-child > svg{margin-bottom:8px}
  .info-list li:last-child > div{padding-right:52px}
  .info-map{position:absolute;right:10px;top:10px;font-size:10px;padding:5px 8px}
  /* WhatsApp 按钮：单独一行 */
  .info-cta{
    margin-top:10px;padding:11px 13px;font-size:12px;width:100%;
    border-radius:11px;
  }
  .info-card .pill-row{margin-top:10px;gap:5px}
  .info-card .pill{font-size:10px;padding:5px 9px}
}
@media (max-width:380px){
  /* 极窄屏依旧一栏两个，只把间距再收紧 */
  .info-card{padding:16px 12px}
  .info-list{gap:7px}
  .info-list li{padding:10px 10px 11px}
  .info-list a{font-size:11.5px}
  .info-strong{font-size:11px}
}

/* ==========================================================================
   白屏兜底：当主脚本没能启动时（html.no-anim 由 <head> 内联脚本打上），
   强制把所有“入场动画初始隐藏”的元素显示出来，保证内容永远可见
   ========================================================================== */
html.no-anim .reveal,
html.no-anim .rv-media,
html.no-anim .hero-copy > *{
  opacity:1 !important;
  transform:none !important;
  clip-path:none !important;
  -webkit-clip-path:none !important;
  transition:none !important;
  animation:none !important;
  will-change:auto !important;
}
html.no-anim .scroll-progress{display:none !important}