/* ============================================================
   BASTAIN 司登伯 — Dark Premium Industrial Brand
   深色高级工业风 · 4K摄影 · logo蓝色系 · 无表单直接邮件联系
   ============================================================ */
:root{
  --bg:#0b0f16;
  --bg-2:#111826;
  --card:#141c2b;
  --line:#223049;
  --ink:#f2f5fa;
  --ink-2:#aab6c8;
  --ink-3:#73829a;
  --blue:#1a3a6e;
  --blue-l:#4ab8e8;
  --blue-3:#7fb3dd;
  --gold:#4ab8e8;
  --radius:16px;
  --maxw:1240px;
  --font:Arial,"Helvetica Neue",Helvetica,"Microsoft YaHei","微软雅黑",sans-serif;
  --mono:"JetBrains Mono","SF Mono",ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.65;letter-spacing:-.01em;font-weight:600;word-break:normal;overflow-wrap:normal;hyphens:none;}
a[href^="mailto:"],a[href^="http"]{overflow-wrap:anywhere;word-break:break-word;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.15;word-break:keep-all;text-wrap:balance;}
a{color:var(--blue-l);text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
section{padding:110px 0;}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:16px;}
.mono{font-family:var(--mono);}

/* ===== 毛玻璃导航 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(11,15,22,.6);
  backdrop-filter:saturate(160%) blur(20px);-webkit-backdrop-filter:saturate(160%) blur(20px);
  border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s;}
.nav.scrolled{background:rgba(11,15,22,.9);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:80px;display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;}
.brand img{height:32px;width:auto;transition:transform .3s,filter .3s;animation:brandFade .8s cubic-bezier(.22,1,.36,1), brandBreath 3s ease-in-out 1s infinite;}
.brand:hover img{transform:translateY(-1px);animation-play-state:paused;filter:drop-shadow(0 0 10px rgba(255,255,255,.35));}
@keyframes brandFade{from{opacity:0;transform:translateY(-12px);}to{opacity:1;transform:none;}}
@keyframes brandBreath{0%,100%{filter:drop-shadow(0 0 4px rgba(74,184,232,.25));}50%{filter:drop-shadow(0 0 22px rgba(74,184,232,.7));}}
.nav-links{display:flex;gap:30px;list-style:none;}
.nav-links a{font-size:13.5px;color:var(--ink-2);transition:color .2s;}
.nav-links a:hover{color:#fff;}
.has-dd{position:relative;}
.has-dd>a::after{content:" ▾";font-size:10px;opacity:.6;}
.dd{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:8px;min-width:220px;
  background:rgba(20,28,43,.96);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:12px;
  padding:8px;display:none;flex-direction:column;box-shadow:0 16px 40px rgba(0,0,0,.4);}
.dd a{padding:10px 14px;border-radius:8px;font-size:13.5px;color:var(--ink-2)!important;white-space:nowrap;}
.dd a:hover{background:rgba(255,255,255,.06);color:#fff!important;}
.nav-right{display:flex;align-items:center;gap:14px;}
.lang-switch{display:flex;gap:2px;font-size:12px;}
.lang-switch a{color:var(--ink-3);padding:3px 8px;border-radius:6px;}
.lang-switch a:hover{color:#fff;}
.lang-switch a.on{color:var(--blue-l);font-weight:600;}
.icon-btn{background:none;border:none;color:var(--ink-2);font-size:16px;padding:6px;cursor:pointer;border-radius:8px;}
.icon-btn:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-toggle{display:none;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:980px;font-size:15px;font-weight:500;
  background:var(--blue-l);color:#06121f;border:none;cursor:pointer;transition:all .3s cubic-bezier(.22,1,.36,1);font-family:inherit;}
.btn:hover{background:#6db0ff;transform:translateY(-2px);}
.btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3);}
.btn.ghost:hover{background:rgba(255,255,255,.1);}
.btn.gold{background:var(--gold);color:#fff;font-weight:700;letter-spacing:.01em;box-shadow:0 0 32px rgba(74,184,232,.35);}
.btn.gold:hover{box-shadow:0 0 56px rgba(74,184,232,.55);transform:translateY(-3px) scale(1.02);}

/* ===== HERO 全屏摄影 ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding:0;}
.hero .bg-slider{position:absolute;inset:0;overflow:hidden;}
.hero .bg-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.5s ease-in-out;}
.hero .bg-slide.active{opacity:1;animation:kenBurns 12s ease-out forwards;}
@keyframes kenBurns{from{transform:scale(1);}to{transform:scale(1.1);}}
.hero .bg-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,22,.55) 0%,rgba(11,15,22,.75) 60%,var(--bg) 100%);z-index:1;}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,22,.55) 0%,rgba(11,15,22,.75) 60%,var(--bg) 100%);}
.hero .wrap{position:relative;z-index:2;padding-top:80px;}
.hero h1{font-size:clamp(42px,7vw,88px);font-weight:800;letter-spacing:-.03em;max-width:14ch;text-wrap:balance;line-height:1.12;text-shadow:0 0 80px rgba(74,184,232,.25);}
.hero .sub{font-size:clamp(17px,2vw,22px);color:var(--ink-2);margin-top:24px;max-width:56ch;font-weight:500;}
.hero-ctas{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap;}
.hero .meta{display:flex;gap:60px;margin-top:56px;flex-wrap:wrap;}
.hero .meta .m{position:relative;}
.hero .meta .m::before{content:"";position:absolute;left:-30px;top:50%;transform:translateY(-50%);width:1px;height:40px;background:linear-gradient(180deg,transparent,var(--blue-l),transparent);opacity:.3;}
.hero .meta .m:first-child::before{display:none;}
.hero .meta .m .n{font-size:48px;font-weight:900;color:#fff;line-height:1;letter-spacing:-.02em;background:linear-gradient(135deg,#fff 0%,var(--blue-l) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero .meta .m .l{font-size:13px;color:var(--ink-3);margin-top:8px;font-weight:500;letter-spacing:.02em;}

/* ===== 行业方案：直接输出结果 ===== */
.sec-head{text-align:center;max-width:720px;margin:0 auto 64px;}
.sec-head h2{font-size:clamp(30px,4vw,50px);}
.sec-head p{color:var(--ink-2);margin-top:16px;font-size:17px;}

.ind-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.ind{position:relative;border-radius:var(--radius);overflow:hidden;min-height:420px;display:flex;align-items:flex-end;}
.ind:nth-child(odd){grid-column:span 2;}
.ind .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .8s;}
.ind:hover .bg{transform:scale(1.05);}
.ind::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,22,.1) 0%,rgba(11,15,22,.55) 55%,rgba(11,15,22,.92) 100%);}
.ind .body{position:relative;z-index:2;padding:36px;width:100%;}
.ind .tag{display:inline-block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:10px;}
.ind h3{font-size:26px;margin-bottom:12px;}
.ind .result{background:rgba(20,28,43,.7);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-top:8px;}
.ind .result .lbl{font-size:11px;color:var(--ink-3);letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px;}
.ind .result .sys{font-size:14.5px;color:#e8eef7;line-height:1.6;}
.ind .result .spec{font-family:var(--mono);font-size:12px;color:var(--blue-3);margin-top:8px;}

/* ===== 能力卡 ===== */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px;transition:transform .3s,border-color .3s;}
.cap:hover{transform:translateY(-4px);border-color:var(--blue-l);}
.cap h3{font-size:20px;margin-bottom:10px;}
.cap p{color:var(--ink-2);font-size:14.5px;}
.cap .num{font-family:var(--mono);font-size:12px;color:var(--gold);display:block;margin-bottom:14px;}

/* ===== CTA 联系 ===== */
.cta{background:linear-gradient(135deg,var(--blue) 0%,#1a3a5c 100%);border-radius:var(--radius);padding:64px;text-align:center;border:1px solid var(--line);}
.cta h2{font-size:clamp(26px,3.4vw,42px);}
.cta p{color:var(--ink-2);margin-top:14px;}
.cta .btns{display:flex;gap:14px;justify-content:center;margin-top:32px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
footer{border-top:1px solid var(--line);padding:60px 0 30px;background:var(--bg-2);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
footer h5{font-size:13px;color:#fff;margin-bottom:16px;}
footer ul{list-style:none;}
footer li{margin-bottom:9px;}
footer a{color:var(--ink-2);font-size:13px;}
footer a:hover{color:#fff;}
.foot-bottom{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--ink-3);}

/* ===== 内页通用 ===== */
.page-head{padding:150px 0 40px;}
.page-head h1{font-size:clamp(32px,4.4vw,56px);}
.page-head p{color:var(--ink-2);max-width:680px;margin-top:18px;font-size:17px;}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px;}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);}
thead th{color:var(--ink-3);font-size:12px;text-transform:uppercase;letter-spacing:.08em;}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover{background:rgba(255,255,255,.02);}
.tag-pill{display:inline-block;padding:5px 12px;border-radius:980px;font-size:12px;background:var(--card);border:1px solid var(--line);color:var(--ink-2);margin:0 6px 8px 0;}

/* ===== 全球布局 ===== */
.globe-container{
  margin-top:40px;display:flex;justify-content:center;position:relative;
  padding:30px 0 10px;
}
.globe-container::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 70% 60% at 60% 50%, rgba(59,130,246,.10) 0%, transparent 70%);
}
.globe-svg{
  width:100%;max-width:860px;height:auto;position:relative;
  filter:drop-shadow(0 0 24px rgba(59,130,246,.18));
}
@media(max-width:900px){
  .globe-svg{font-size:10px;}
}
.globe-svg .route-line{stroke-dasharray:3 5;animation:dashFlow 1s linear infinite;}
@keyframes dashFlow{to{stroke-dashoffset:-16;}}

/* ===== H5 动效 ===== */
.reveal{opacity:0;transform:translateY(60px);filter:blur(10px);transition:opacity 1s cubic-bezier(.22,1,.36,1),transform 1s cubic-bezier(.22,1,.36,1),filter 1s;}
.reveal.in{opacity:1;transform:none;filter:blur(0);}
.reveal.d1{transition-delay:.12s;}.reveal.d2{transition-delay:.24s;}.reveal.d3{transition-delay:.36s;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}html{scroll-behavior:auto;}}

/* ===== 抽屉 ===== */
.drawer{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:300;display:none;}
.drawer.open{display:block;}
.menu-open{overflow:hidden;}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:320px;max-width:85vw;background:var(--bg-2);padding:28px;overflow-y:auto;}
.drawer-panel ul{list-style:none;}
.drawer-panel li a{display:block;padding:15px 0;color:var(--ink);border-bottom:1px solid var(--line);font-size:16px;}
.drawer-panel .has-dd > a::after{content:"+";float:right;font-size:18px;font-weight:300;transition:transform .2s;}
.drawer-panel .has-dd.open > a{color:var(--blue-l);}
.drawer-panel .has-dd.open > a::after{content:"−";}
.drawer-panel .dd{position:static;display:none;box-shadow:none;border:none;background:transparent;padding:0 0 8px 16px;margin-top:0;left:auto;transform:none;top:auto;min-width:auto;overflow:hidden;}
.drawer-panel .dd a{padding:8px 0;font-size:14px;border-bottom:none;color:var(--ink-2)!important;}
.drawer-panel .dd a:hover{color:var(--ink)!important;}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#fff;color:#000;padding:12px 24px;border-radius:980px;font-size:14px;z-index:400;opacity:0;transition:opacity .3s;pointer-events:none;}
.toast.show{opacity:1;}

@media(max-width:900px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;font-size:20px;}
  .caps{grid-template-columns:1fr;}
  .ind-grid{grid-template-columns:1fr !important;}
  .ind:nth-child(odd){grid-column:span 1;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  section{padding:70px 0;}
  .hero .meta{gap:24px !important;}
  .hero .meta .m::before{left:-12px !important;}
  .cta{padding:36px 24px !important;}
  .globe-container{overflow:hidden;}
}

/* ===== 知识库 / 标准页面 ===== */
.kb-body{background:var(--bg);color:var(--ink);padding-top:80px;}
.kb-wrap{max-width:900px;margin:0 auto;padding:60px 24px;}
.kb-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.15em;color:var(--gold);text-transform:uppercase;margin-bottom:16px;}
.kb-h1{font-size:clamp(32px,4vw,48px);font-weight:800;letter-spacing:-.02em;margin-bottom:20px;line-height:1.15;}
.kb-lead{font-size:17px;color:var(--ink-2);line-height:1.7;margin-bottom:40px;max-width:680px;}
.kb-h2{font-size:24px;font-weight:700;margin:48px 0 20px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.kb-table{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0;}
.kb-table th,.kb-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.kb-table th{color:var(--ink-3);font-size:12px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;}
.kb-table tr:hover{background:rgba(255,255,255,.02);}
.kb-p{color:var(--ink-2);line-height:1.8;margin:16px 0;font-size:15px;}
.kb-formula{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px 20px;font-family:var(--mono);font-size:14px;margin:16px 0;overflow-x:auto;}
.kb-tag{display:inline-block;padding:5px 12px;border-radius:980px;font-size:12px;background:var(--card);border:1px solid var(--line);color:var(--ink-2);margin:0 6px 8px 0;}


/* ===== 右侧浮动按钮 ===== */
.float-bar{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;}
.float-btn{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(17,24,38,.88);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.08);color:#fff;
  cursor:pointer;transition:all .3s cubic-bezier(.22,1,.36,1);box-shadow:0 4px 24px rgba(0,0,0,.3);}
.float-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.float-btn:hover{background:var(--blue-l);color:#06121f;border-color:var(--blue-l);transform:translateX(-4px);}
.float-btn.phone{background:var(--blue-l);color:#06121f;border:none;box-shadow:0 4px 24px rgba(74,184,232,.35);}
.float-btn.phone:hover{background:#6db0ff;box-shadow:0 4px 32px rgba(74,184,232,.5);}
@media(max-width:768px){.float-bar{right:14px;gap:6px;}.float-btn{width:40px;height:40px;border-radius:10px;}}
/* 左侧浮动按钮组 */
.float-bar-left{position:fixed;left:24px;top:50%;transform:translateY(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;}
.float-bar-left .float-btn:hover{transform:translateX(4px);}
@media(max-width:768px){.float-bar-left{left:14px;}}

/* 联系弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);z-index:400;
  display:none;align-items:center;justify-content:center;padding:20px;}
.modal-mask.show{display:flex;animation:fadeIn .25s ease;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.modal{position:relative;background:linear-gradient(145deg,#131b2a 0%,#0d1420 100%);
  border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:0;max-width:480px;width:100%;
  box-shadow:0 32px 96px rgba(0,0,0,.6);overflow:hidden;animation:slideUp .35s cubic-bezier(.22,1,.36,1);}
@keyframes slideUp{from{transform:translateY(24px);opacity:0;}to{transform:none;opacity:1;}}
.modal-close{position:absolute;top:16px;right:16px;cursor:pointer;font-size:22px;color:rgba(255,255,255,.4);
  width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s;z-index:2;}
.modal-close:hover{background:rgba(255,255,255,.1);color:#fff;}
.modal-header{padding:28px 32px 20px;border-bottom:1px solid rgba(255,255,255,.06);}
.modal-header .brand-text{font-size:11px;letter-spacing:.2em;color:var(--blue-l);font-weight:600;margin-bottom:6px;}
.modal-header h3{font-size:20px;color:#fff;font-weight:700;}
.modal-body{padding:28px 32px;display:flex;gap:24px;align-items:flex-start;}
.modal-qr{flex-shrink:0;text-align:center;}
.modal-qr img{width:130px;height:130px;border-radius:12px;border:1px solid rgba(255,255,255,.1);padding:6px;background:#fff;}
.modal-qr p{font-size:11px;color:rgba(255,255,255,.5);margin-top:10px;letter-spacing:.05em;}
.modal-info{flex:1;min-width:0;}
.info-item{margin-bottom:18px;}
.info-item:last-child{margin-bottom:0;}
.info-label{display:block;font-size:11px;color:rgba(255,255,255,.4);letter-spacing:.08em;margin-bottom:4px;}
.info-value{display:block;font-size:15px;color:#fff;font-weight:600;line-height:1.5;}
.info-value.tel{font-size:18px;color:var(--blue-l);font-weight:700;letter-spacing:-.01em;}

/* ===== 全局移动端防溢出 ===== */
@media(max-width:768px){
  /* 防止横向滚动 */
  html,body{overflow-x:hidden;max-width:100vw;}
  img,svg,video{max-width:100%;height:auto;}
  .wrap{padding-left:20px;padding-right:20px;}

  /* 导航栏 */
  .nav-inner{padding:0 16px;}
  .brand img{height:28px !important;}
  .lang-switch{display:flex !important;gap:0;font-size:11px;}
  .lang-switch a{padding:3px 6px !important;font-size:11px;}
  .nav-right{gap:8px !important;}

  /* Hero 文字 */
  .hero h1{font-size:clamp(28px,8vw,40px) !important;line-height:1.25;}
  .hero p{font-size:15px !important;}

  /* 所有 grid 强制单列或双列 */
  .values,.value-grid,.cards,.grid-2,.grid-3,.grid-4,.solutions-grid,.product-grid,
  .letter-grid,.stats-grid,.feature-grid,.step-row,.process-row,.compare-row{
    grid-template-columns:1fr !important;
  }
  .letter-grid{grid-template-columns:repeat(2,1fr) !important;gap:8px !important;}
  .letter-card{padding:14px 8px !important;}
  .letter-card .ch{font-size:24px !important;}

  /* section padding 缩小 */
  section{padding:48px 0 !important;}
  .sec-head{margin-bottom:32px !important;}
  .sec-head h2{font-size:24px !important;}

  /* 卡片 padding 缩小 */
  .section-card,.value,.card,.feature-card,.testimonial-card,.stat-card{
    padding:20px !important;
  }

  /* 表格横向滚动 */
  table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%;}
  table::-webkit-scrollbar,
  .table-wrap::-webkit-scrollbar{height:8px;}
  table::-webkit-scrollbar-track,
  .table-wrap::-webkit-scrollbar-track{background:var(--bg-2);border-radius:4px;}
  table::-webkit-scrollbar-thumb,
  .table-wrap::-webkit-scrollbar-thumb{background:linear-gradient(90deg,#4ab8e8,#2d8ec4);border-radius:4px;animation:scrollGlow 3s ease-in-out infinite;}
  table::-webkit-scrollbar-thumb:active,
  .table-wrap::-webkit-scrollbar-thumb:active{background:#6dd0f5;animation-play-state:paused;box-shadow:0 0 12px rgba(74,184,232,.9);}
  *{scrollbar-width:thin;scrollbar-color:#4ab8e8 var(--bg-2);}

  /* 弹窗全屏适配 */
  .modal{max-width:100%;border-radius:16px;}
  .modal-body{flex-direction:column;padding:20px;gap:16px;}
  .modal-qr img{width:110px;height:110px;}
  .modal-header{padding:20px;}

  /* footer */
  .foot-grid{grid-template-columns:1fr !important;gap:24px;}
  .foot-bottom{flex-direction:column;gap:8px;text-align:center;}

  /* CTA 按钮全宽 */
  .btns{flex-direction:column;width:100%;}
  .btns .btn{width:100%;text-align:center;}

  /* milestone */
  .milestone{grid-template-columns:60px 1fr !important;gap:12px !important;}
  .milestone .yr{font-size:16px !important;}

  /* origin-quote */
  .origin-quote{padding:24px 0 24px 20px !important;}
  .origin-quote blockquote{font-size:18px !important;}
  .origin-word{gap:12px !important;}
  .origin-word .base,.origin-word .stain{font-size:20px !important;}

  /* manifesto */
  .manifesto{padding:36px 16px !important;}
  .manifesto .mission{gap:20px !important;flex-direction:column;}

  /* 大数字缩小 */
  .stat-num,.big-num{font-size:32px !important;}

  /* drawer */
  .drawer-panel{width:300px !important;}
}

/* ===== 全局防横向溢出 ===== */
html,body{max-width:100%;overflow-x:hidden;}
img,svg,video{max-width:100%;height:auto;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;box-sizing:border-box;}
*{-webkit-tap-highlight-color:transparent;}

/* ===== 高级感滚动条（Webkit）发光蓝 ===== */
/* ===== 高级感滚动条（Webkit）呼吸灯蓝 ===== */
@keyframes scrollGlow{
  0%,100%{box-shadow:0 0 2px rgba(74,184,232,.2);opacity:.7;}
  50%{box-shadow:0 0 20px rgba(74,184,232,1);opacity:1;}
}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-2);border-radius:10px;box-shadow:inset 0 0 3px rgba(0,0,0,.3);}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#4ab8e8,#2d8ec4);border-radius:10px;border:2px solid var(--bg-2);animation:scrollGlow 2s ease-in-out infinite;}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#6dd0f5,#3da8dd);animation-play-state:paused;box-shadow:0 0 20px rgba(74,184,232,1);opacity:1;}
::-webkit-scrollbar-corner{background:transparent;}

/* Firefox */
*{scrollbar-width:thin;scrollbar-color:#4ab8e8 var(--bg-2);}

@media (prefers-reduced-motion:reduce){
  ::-webkit-scrollbar-thumb{animation:none;}
}

/* 可横向滚动区域（表格、工艺流程图等）的细滚动条 */
.scroll-x,table,.process-flow{scrollbar-width:thin;}

/* ===== 移动端额外保护 ===== */
@media(max-width:768px){
  .wrap{padding:0 20px !important;}
  h1,h2,h3,h4{word-break:break-word;overflow-wrap:break-word;}
  .float-bar-left{left:8px !important;gap:6px !important;}
  .float-bar{right:8px !important;gap:6px !important;}
  .float-btn{width:36px !important;height:36px !important;border-radius:10px !important;}
  /* 工艺流程标签横向可滑动 */
  .process-flow{flex-wrap:nowrap !important;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:8px;}
  .process-flow::-webkit-scrollbar{height:4px;}
  /* 地图点阵不溢出 */
  .world-map{max-width:100%;height:auto;}
  .globe-container{padding:20px 0 !important;overflow:hidden;}
  .ind-grid{gap:16px !important;}
  .ind{min-height:320px !important;}
}

/* ===== 移动端分享按钮 ===== */
.share-btn{display:none;}
.share-panel{display:none;}
@media(max-width:768px){
  .share-btn{display:flex;}
  .share-panel{
    position:fixed;top:50%;left:50%;
    transform:translate(-50%,-50%);
    background:rgba(17,24,38,.97);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);
    border-radius:20px;padding:36px 24px 24px;z-index:350;display:none;gap:12px;align-items:center;justify-content:space-around;
    width:90vw;max-width:340px;box-shadow:0 24px 64px rgba(0,0,0,.6);
  }
  .share-panel.show{display:flex;animation:shareScaleIn .25s ease;}
  @keyframes shareScaleIn{
    from{opacity:0;transform:translate(-50%,-50%) scale(.9);}
    to{opacity:1;transform:translate(-50%,-50%) scale(1);}
  }
  .share-close{
    position:absolute;top:14px;right:14px;width:28px;height:28px;
    display:flex;align-items:center;justify-content:center;border-radius:50%;
    cursor:pointer;color:rgba(255,255,255,.5);font-size:22px;line-height:1;transition:all .2s;
  }
  .share-close:hover{background:rgba(255,255,255,.1);color:#fff;}
  .share-panel .share-item{display:flex;flex-direction:column;align-items:center;gap:6px;
    width:64px;padding:10px 4px;border-radius:12px;cursor:pointer;transition:background .2s;}
  .share-panel .share-item:active{background:rgba(255,255,255,.08);}
  .share-panel .share-item span.ico{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;}
  .share-panel .share-item span.lbl{font-size:12px;color:var(--ink-2);}
}

/* ============================================================
   移动端终极保险（≤768px）：
   - 每个卡片 block 单独换行（强制单列），杜绝并排拥挤
   - 杜绝横向溢出
   - 必须横滑的区域（表格/代码/参数条）保留细滚动条
   ============================================================ */
@media(max-width:768px){
  /* 已知卡片 grid 容器一律单列 */
  .adv-grid,.cap-grid,.card-grid,.dev-grid,.feat-grid,.grid2,.grid3,
  .kb-grid2,.region-grid,.resin-grid,.team-grid,.sys-row,.hero-stats,
  .ind-grid,.caps,.foot-grid,.letter-grid,.values,.value-grid,.cards,
  .grid-2,.grid-3,.grid-4,.solutions-grid,.product-grid,.stats-grid,
  .feature-grid,.step-row,.process-row,.compare-row{
    grid-template-columns:1fr !important;
    gap:16px !important;
  }
  .ind{min-height:auto !important;}

  /* 内联写死的多列 grid（如 repeat(3,1fr) / repeat(4,1fr)）一律单列，
     每个卡片 block 独占一行，不再并排挤压 */
  /* 柱状对比条：label / 条形 / 数值 竖排，不再三列挤一行 */
  .bar-row{
    grid-template-columns:1fr !important;
    gap:6px !important;
  }
  .bar-row .bar-track{width:100% !important;}

  /* VS 对比块：中间 badge 居中，两侧竖排 */
  .vs-wrap{padding:24px 16px !important;gap:12px !important;}

  /* 彻底杜绝横向溢出 */
  html,body{overflow-x:hidden !important;max-width:100vw !important;}

  /* 顶部留出导航栏空间，避免文字被遮挡 */
  .hero .wrap{padding-top:110px !important;}
  .page-head{padding-top:110px !important;}
  img,svg,video,canvas{max-width:100% !important;height:auto !important;}

  /* 必须横滑的区域：保留细滚动条，不直接溢出到屏外 */
  .table-wrap,table,.kb-formula,pre,code,.process-flow,.scroll-x{
    display:block !important;
    overflow-x:auto !important;
    -webkit-overflow-scrolling:touch;
    max-width:100% !important;
    scrollbar-width:thin;
  }
  .table-wrap > table{display:table !important;overflow:visible !important;}
  .table-wrap::-webkit-scrollbar,
  .process-flow::-webkit-scrollbar{height:4px;}

  /* 卡片内边距收紧，避免内容顶到边缘 */
  .cap,.ind .body,.cta,.modal{padding-left:18px !important;padding-right:18px !important;}

  /* === 根治横向溢出：grid/flex 子项默认 min-width:auto 会被长内容撑爆 === */
  /* 所有文本容器允许断行，防止长URL/长数字/英文单词撑破列 */
  h1,h2,h3,h4,p,td,th{
    overflow-wrap:break-word !important;
    word-break:break-word !important;
    hyphens:auto;
  }
  /* 内联写死的 width/min-width 在手机端收缩到视口内 */
  [style*="width:"],[style*="min-width:"]{
    max-width:100% !important;
    box-sizing:border-box !important;
  }
  /* 不换行的标签/胶囊/步骤条：包成横向滚动条，不直接溢出到屏外 */
  .tag-pill,.kb-tag,.lang-switch,.hero-ctas,.hero .meta{
    max-width:100%;
    flex-wrap:wrap !important;
  }
  /* 任何行内 flex 容器，允许横向滚动 */
  nav,.nav-inner,.nav-right,.hero-ctas,.btns,.foot-bottom{
    max-width:100vw;
  }
  /* 最终保险：html/body 双重锁死横向滚动 */
  html,body{
    position:relative;
    overflow-x:hidden !important;
  }

  /* 多步流程标签/胶囊步骤条：横向滑动 + 细滚动条，不再换行挤成一团 */
  [style*="flex-wrap:wrap"][style*="gap:6px"],
  [style*="flex-wrap:wrap"][style*="gap:8px"]{
    flex-wrap:nowrap !important;
    overflow-x:auto !important;
    -webkit-overflow-scrolling:touch;
    max-width:100% !important;
    padding-bottom:8px;
    scrollbar-width:thin;
  }
  [style*="flex-wrap:wrap"][style*="gap:6px"] > *,
  [style*="flex-wrap:wrap"][style*="gap:8px"] > *{
    flex-shrink:0 !important;
  }

  /* 页脚：两列紧凑排列，品牌与联系各占整行，中间两组链接并排 */
  .foot-grid{
    grid-template-columns:1fr 1fr !important;
    gap:24px 20px !important;
  }
  .foot-grid > *:nth-child(1),
  .foot-grid > *:nth-child(4){
    grid-column:1 / -1 !important;
  }
  footer h5{font-size:13px !important;margin-bottom:10px !important;}
  footer li{margin-bottom:7px !important;}
  footer a{font-size:12.5px !important;}
  /* 页脚 logo 锁死尺寸，不被全局 img 规则撑大 */
  footer img{height:36px !important;width:auto !important;max-width:none !important;}
}

@media(max-width:768px){
  html,body{overflow-x:clip !important;}
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom));}
  .float-bar-left{position:fixed;top:auto;left:14px !important;bottom:calc(14px + env(safe-area-inset-bottom));transform:none;z-index:300;}
  .float-bar-left .float-btn:not(.share-btn){display:none;}
  .float-bar-left .share-btn{display:flex;width:48px !important;height:48px !important;border-radius:50% !important;}
  .float-bar{position:fixed;top:auto;right:14px !important;bottom:calc(14px + env(safe-area-inset-bottom));transform:none;z-index:300;flex-direction:row;gap:0;}
  .float-bar .float-btn:not(.phone){display:none;}
  .float-bar .float-btn.phone{width:48px !important;height:48px !important;border-radius:50% !important;}
  .float-btn{box-shadow:0 4px 18px rgba(0,0,0,.4);}
  .stats-grid,.hero-stats,.letter-grid{grid-template-columns:repeat(2,minmax(0,1fr)) !important;}
  .drawer-panel{padding-top:calc(20px + env(safe-area-inset-top));padding-bottom:calc(20px + env(safe-area-inset-bottom));}
}

@media(max-width:360px){
  .wrap{padding-left:16px !important;padding-right:16px !important;}
  .nav-inner{padding-left:12px;padding-right:12px;}
  .brand img{height:24px !important;}
  .nav-right{gap:4px !important;}
  .lang-switch a{padding:3px 4px !important;}
}