/* ============================
   Design System: Tech × Nature Fusion
   中科祥睿能碳官网共享样式
   设计理念：深海科技蓝 + 翠绿品牌 × 多色分层 × 丰富视觉
   特点：
   - 深海军蓝→翠绿渐变体系，摆脱单一绿色疲劳
   - 白/浅灰蓝/浅翠绿/深蓝四层分区交替，视觉节奏丰富
   - 绿降级为品牌点缀色（CTA/图标/hover），蓝青作科技感延伸
   ============================ */

:root {
  /* ===== Primary Palette — Deep Navy + Emerald ===== */
  --g950: #060E1A;   /* darkest navy — footer */
  --g900: #0A1628;   /* deep navy — hero/platform */
  --g800: #0F1D35;   /* navy */
  --g700: #162544;   /* medium navy */
  --g600: #059669;   /* primary emerald — brand CTA */
  --g500: #10B981;   /* emerald light */
  --g400: #0D9488;   /* teal — tech accent */
  --g300: #14B8A6;   /* teal light */
  --g200: #5EEAD4;   /* teal pale */
  --g100: #A7F3D0;   /* emerald pale */
  --g50:  #ECFDF5;   /* emerald tint — trust/green sections */

  /* ===== Accent ===== */
  --amber:     #F59E0B;
  --amber-h:   #D97706;
  --amber-50:  #FFFBEB;
  --amber-100: #FEF3C7;

  /* ===== Surfaces ===== */
  --white:     #FFFFFF;
  --bg-slate:  #F1F5F9;   /* light slate — alternate section bg */
  --warm-50:   #FAF8F6;
  --cool-50:   #F8FAFC;
  --cool-100:  #F1F5F9;

  /* ===== Text ===== */
  --t-strong:  #0F172A;
  --t-body:    #475569;
  --t-muted:   #94A3B8;
  --t-placeholder: #CBD5E1;

  /* ===== Borders ===== */
  --b-light:   #E2E8F0;
  --b-medium:  #CBD5E1;

  /* ===== Tokens ===== */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.05);
  --shadow-md: 0 6px 20px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 40px rgba(15,23,42,.12);
  --shadow-glow: 0 0 24px rgba(5,150,105,.2);
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--t-body);background:var(--white);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}

/* ===== Layout ===== */
.section{padding:96px 0;position:relative}
.section-sm{padding:60px 0}
.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* section labeling */
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--g600);margin-bottom:12px}
.section-label::before{content:'';width:24px;height:2px;background:var(--g400);border-radius:1px}
.section-header{text-align:center;margin-bottom:56px}
.section-title{font-size:36px;font-weight:800;color:var(--t-strong);line-height:1.25;margin-bottom:12px;letter-spacing:-.01em}
.section-subtitle{font-size:16px;color:var(--t-muted);max-width:560px;line-height:1.7;margin:0 auto}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;padding:13px 28px;border-radius:var(--r-sm);cursor:pointer;border:none;transition:all .25s;white-space:nowrap;position:relative;overflow:hidden}
.btn-primary{background:linear-gradient(135deg,var(--g600),var(--g500));color:#fff;box-shadow:0 4px 16px rgba(5,150,105,.25)}
.btn-primary:hover{box-shadow:0 6px 24px rgba(5,150,105,.35);transform:translateY(-2px)}
.btn-primary::after{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.2),transparent 60%);opacity:0;transition:opacity .3s}
.btn-primary:hover::after{opacity:1;animation:btnShimmer .8s ease}
.btn-outline{border:2px solid var(--g600);color:var(--g600);background:transparent}
.btn-outline:hover{background:var(--g600);color:#fff;box-shadow:0 4px 16px rgba(5,150,105,.2)}
.btn-white{border:2px solid rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-white:hover{border-color:#fff;background:rgba(255,255,255,.1);box-shadow:0 4px 16px rgba(0,0,0,.15)}
.btn-lg{padding:16px 36px;font-size:16px}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-amber{background:linear-gradient(135deg,var(--amber),#F0A820);color:#fff;box-shadow:0 4px 16px rgba(232,150,12,.3)}
.btn-amber:hover{box-shadow:0 6px 24px rgba(232,150,12,.4);transform:translateY(-2px)}

/* ===== Nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 24px;transition:all .3s;background:rgba(255,255,255,.94);border-bottom:1px solid transparent}
.nav.scrolled{border-bottom-color:var(--b-light);box-shadow:0 1px 4px rgba(15,23,42,.04)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:62px}
.nav-logo{font-size:17px;font-weight:700;color:var(--t-strong);display:flex;align-items:center;gap:10px}
.nav-logo-img{height:34px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{font-size:13px;font-weight:500;color:var(--t-body);padding:6px 14px;border-radius:var(--r-sm);transition:all .2s}
.nav-links a:hover{color:var(--g600);background:var(--g50)}
.nav-links a.active{color:var(--g600);background:var(--g100);font-weight:600}
.nav-cta{margin-left:12px;padding:9px 22px;font-size:13px;font-weight:600;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--g600),var(--g500));color:#fff;transition:all .25s;box-shadow:0 2px 8px rgba(5,150,105,.2)}
.nav-cta:hover{box-shadow:0 4px 16px rgba(5,150,105,.35);transform:translateY(-1px)}
.nav-phone{font-size:12px;color:var(--t-muted);font-weight:500;margin-right:10px;display:flex;align-items:center;gap:4px}
.nav-phone:hover{color:var(--g600)}

/* ===== Page Banner ===== */
.page-banner{background:linear-gradient(160deg,var(--g950) 0%,var(--g800) 40%,var(--g700) 100%);padding:130px 0 60px;text-align:center;color:#fff;position:relative;overflow:hidden}
.page-banner::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");animation:bgDrift 60s linear infinite}
.page-banner::after{content:'';position:absolute;bottom:-30%;right:-5%;width:500px;height:500px;background:radial-gradient(circle,rgba(13,148,136,.12),transparent 70%);border-radius:50%}
.page-banner .container{position:relative;z-index:1}
.page-banner .section-label{color:rgba(255,255,255,.5);margin:0 auto 14px;justify-content:center}
.page-banner .section-label::before{background:rgba(255,255,255,.3)}
.page-banner h1{font-size:44px;font-weight:800;margin-bottom:14px;line-height:1.2;letter-spacing:-.01em}
.page-banner p{font-size:16px;color:rgba(255,255,255,.55);max-width:640px;margin:0 auto;line-height:1.8}
.page-breadcrumb{font-size:12px;color:rgba(255,255,255,.35);margin-top:18px}
.page-breadcrumb a{color:rgba(255,255,255,.55);transition:color .2s}
.page-breadcrumb a:hover{color:#fff}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--g950) 0%,var(--g900) 30%,var(--g800) 60%,var(--g700) 100%)}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");z-index:0}
.hero::after{content:'';position:absolute;top:-20%;right:-10%;width:700px;height:700px;background:radial-gradient(circle,rgba(13,148,136,.12),transparent 70%);border-radius:50%;z-index:0}
/* Hero perspective tech grid */
.hero-grid-bg{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.15}
.hero-grid-bg::before{content:'';position:absolute;inset:-50% 0;background-image:linear-gradient(rgba(13,148,136,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(13,148,136,.06) 1px,transparent 1px);background-size:80px 80px;transform:translateY(0);will-change:transform;animation:gridDrift 25s linear infinite}
@keyframes gridDrift{0%{transform:translateY(0)}100%{transform:translateY(80px)}}
/* Hero data stream lines */
.hero-data-stream{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-data-stream::before,.hero-data-stream::after{content:'';position:absolute;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(13,148,136,.12),rgba(20,184,166,.18),rgba(13,148,136,.12),transparent)}
.hero-data-stream::before{top:25%;animation:dataFlowH 8s linear infinite}
.hero-data-stream::after{top:55%;animation:dataFlowH 8s linear 4s infinite}
@keyframes dataFlowH{0%{transform:translateX(-100%);opacity:0}20%{opacity:1}80%{opacity:1}100%{transform:translateX(100%);opacity:0}}
/* Hero network canvas */
.hero-network{position:absolute;inset:0;z-index:1;pointer-events:none;width:100%;height:100%}
/* Hero card scan line */
.hero-card{overflow:hidden}
.hero-card-scan{position:absolute;top:0;left:0;right:0;height:1.5px;background:linear-gradient(90deg,transparent,rgba(13,148,136,.6),transparent);z-index:10;pointer-events:none;will-change:transform;animation:scanLine 3s ease-in-out infinite;box-shadow:0 0 8px rgba(13,148,136,.2)}
@keyframes scanLine{0%{transform:translateY(-2px);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(400px);opacity:0}}
/* floating orbs */
.hero-orb{position:absolute;border-radius:50%;z-index:0;pointer-events:none}
.hero-orb-1{width:280px;height:280px;background:radial-gradient(circle,rgba(13,148,136,.1),transparent);top:15%;left:65%;animation:orbFloat 8s ease-in-out infinite}
.hero-orb-2{width:180px;height:180px;background:radial-gradient(circle,rgba(20,184,166,.08),transparent);bottom:20%;left:10%;animation:orbFloat 6s ease-in-out 2s infinite}
.hero-orb-3{width:120px;height:120px;background:radial-gradient(circle,rgba(94,234,212,.08),transparent);top:50%;left:40%;animation:orbFloat 7s ease-in-out 1s infinite}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;position:relative;z-index:2;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.65);background:rgba(255,255,255,.06);padding:7px 18px;border-radius:20px;border:1px solid rgba(255,255,255,.1);margin-bottom:24px;animation:fadeInUp .8s ease}
.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:var(--g400);animation:pulse 2s infinite}
.hero-title{font-size:50px;font-weight:800;color:#fff;line-height:1.15;margin-bottom:22px;letter-spacing:-.02em;animation:fadeInUp .8s ease .1s both}
.hero-title-line{display:block;animation:fadeInUp .6s ease .15s both}
.hero-title-line+.hero-title-sep{display:inline-block;margin:0 8px;color:var(--g300);animation:fadeInUp .6s ease .2s both;font-weight:300}
.hero-title-line+.hero-title-sep+.hero-title-line{animation:fadeInUp .6s ease .25s both}
.hero-title-sub{display:block;font-style:normal;color:var(--g300);font-size:32px;font-weight:600;margin-top:4px;animation:fadeInUp .6s ease .3s both;position:relative}
.hero-title-sub::after{content:'';position:absolute;top:0;left:0;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);will-change:transform;animation:titleShine 4s ease-in-out 1.5s infinite}
.hero-desc{font-size:16px;color:rgba(255,255,255,.55);line-height:1.9;margin-bottom:32px;max-width:480px;animation:fadeInUp .8s ease .2s both}
.hero-stats{display:flex;gap:32px;margin-bottom:36px;animation:fadeInUp .8s ease .3s both}
.hero-stat-num{font-size:34px;font-weight:800;color:var(--g300);line-height:1;display:flex;align-items:baseline;gap:4px}
.hero-stat-label{font-size:12px;color:rgba(255,255,255,.45);margin-top:4px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;animation:fadeInUp .8s ease .4s both}
/* hero visual dashboard */
.hero-visual{position:relative;animation:fadeInUp .8s ease .3s both}
.hero-visual::before{content:'';position:absolute;inset:-12px;background:linear-gradient(135deg,rgba(13,148,136,.08),rgba(5,150,105,.04));border-radius:var(--r-lg);z-index:0;animation:visualGlow 3s ease-in-out infinite}
.hero-card{background:rgba(255,255,255,.05);border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.1);padding:30px;position:relative;z-index:1;transform:translateZ(0)}
.hero-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.hero-card-header h3{font-size:14px;font-weight:600;color:rgba(255,255,255,.85)}
.hero-card-dot{display:flex;gap:6px}
.hero-card-dot span{width:8px;height:8px;border-radius:50%}
.hero-card-dot span:nth-child(1){background:var(--g400);animation:dotPulse 2s ease-in-out infinite}
.hero-card-dot span:nth-child(2){background:rgba(255,255,255,.3);animation:dotPulse 2s ease-in-out .4s infinite}
.hero-card-dot span:nth-child(3){background:rgba(255,255,255,.3);animation:dotPulse 2s ease-in-out .8s infinite}
@keyframes dotPulse{0%,100%{opacity:.4;transform:scale(1)}50%{opacity:1;transform:scale(1.4)}}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.hero-metric{background:rgba(255,255,255,.03);border-radius:var(--r-md);padding:16px;border:1px solid rgba(255,255,255,.04)}
.hero-metric-val{font-size:26px;font-weight:800;color:var(--g300)}
.hero-metric-unit{font-size:12px;color:rgba(255,255,255,.4);margin-left:4px}
.hero-metric-label{font-size:11px;color:rgba(255,255,255,.35);margin-top:2px}
.hero-chart{display:flex;align-items:flex-end;gap:8px;height:80px}
.hero-bar{flex:1;background:rgba(13,148,136,.2);border-radius:4px 4px 0 0;transition:all .8s ease}
.hero-bar:nth-child(1){height:55%}.hero-bar:nth-child(2){height:35%}.hero-bar:nth-child(3){height:70%}
.hero-bar:nth-child(4){height:45%}.hero-bar:nth-child(5){height:82%}.hero-bar:nth-child(6){height:40%}
.hero-bar:nth-child(7){height:88%}.hero-bar:nth-child(8){height:50%}.hero-bar:nth-child(9){height:65%}
.hero-bar:nth-child(10){height:38%}.hero-bar:nth-child(11){height:75%}.hero-bar:nth-child(12){height:32%}
.hero-bar.active{background:var(--g400);box-shadow:0 0 8px rgba(13,148,136,.3)}

/* Hero scroll indicator */
.hero-scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:6px;animation:fadeInUp .8s ease .8s both;cursor:pointer}
.hero-scroll-indicator span{font-size:10px;color:rgba(255,255,255,.35);letter-spacing:.06em;text-transform:uppercase}
.hero-scroll-arrow{width:24px;height:24px;border-right:2px solid rgba(255,255,255,.3);border-bottom:2px solid rgba(255,255,255,.3);transform:rotate(45deg);animation:scrollBounce 2s ease-in-out infinite}
@keyframes scrollBounce{0%,100%{transform:rotate(45deg) translate(0,0);opacity:.3}50%{transform:rotate(45deg) translate(6px,6px);opacity:.8}}

/* Hero floating particles */
.hero-particles{position:absolute;inset:0;pointer-events:none;z-index:1}
.hero-particle{position:absolute;border-radius:50%;background:rgba(13,148,136,.15);animation:particleDrift linear infinite}
@keyframes particleDrift{0%{transform:translate(0,0) scale(1);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translate(40px,-120px) scale(0);opacity:0}}

/* Hero orb 4 additional */
.hero-orb-4{width:200px;height:200px;background:radial-gradient(circle,rgba(20,184,166,.06),transparent);top:60%;left:55%;animation:orbFloat 9s ease-in-out 3s infinite}

/* ===== Trust Bar ===== */
.trust{background:var(--g50);border-bottom:1px solid var(--b-light);position:relative;overflow:hidden}
.trust::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--g300),var(--g400),var(--g300),transparent);animation:trustShine 4s ease-in-out infinite}
.trust-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:center;gap:72px;height:92px}
.trust-item{text-align:center;transition:all .3s}
.trust-item:hover{transform:translateY(-2px)}
.trust-num{font-size:30px;font-weight:800;color:var(--g600);line-height:1}
.trust-label{font-size:12px;color:var(--t-muted);margin-top:3px}
.trust-divider{width:1px;height:36px;background:var(--b-light)}

/* ===== Home Preview Cards ===== */
.home-preview{padding:56px 0;background:var(--white)}
.home-preview-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
.home-preview-card{display:block;background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:36px 32px;position:relative;overflow:hidden;transition:all .35s}
.home-preview-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:var(--g300)}
.home-preview-card::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at top right,var(--g50),transparent 70%);opacity:0;transition:opacity .4s}
.home-preview-card:hover::after{opacity:1}
.home-preview-icon{width:52px;height:52px;background:var(--g50);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px;transition:all .4s cubic-bezier(.34,1.56,.64,1)}
.home-preview-card:hover .home-preview-icon{background:var(--g100);transform:scale(1.1) rotate(-8deg)}
.home-preview-card h3{font-size:18px;font-weight:700;color:var(--t-strong);margin-bottom:8px}
.home-preview-card p{font-size:13px;color:var(--t-muted);line-height:1.7;margin-bottom:14px}
.home-preview-link{font-size:13px;font-weight:600;color:var(--g600);transition:all .2s;display:inline-flex;align-items:center;gap:4px}
.home-preview-card:hover .home-preview-link{color:var(--g500);gap:8px}

/* ===== Visual Showcase Section (new) ===== */
.visual-section{background:var(--bg-slate);position:relative;overflow:hidden}
.visual-section::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='20' cy='20' r='1' fill='%2394A3B8' opacity='0.06'/%3E%3C/svg%3E")}
/* Hexagonal grid overlay */
.visual-section::after{display:none}
/* ===== Visual Showcase — Product Cards ===== */
.visual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.visual-grid-2col{grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
/* Featured horizontal card — 核心平台产品 */
.visual-featured{margin-top:40px}
.visual-featured-inner{display:grid;grid-template-columns:1.1fr 1fr;background:var(--white);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--b-light);transition:all .35s}
.visual-featured-inner:hover{box-shadow:0 0 40px rgba(5,150,105,.12),0 12px 40px rgba(15,23,42,.1);border-color:var(--g300)}
.visual-featured-img{position:relative;overflow:hidden;min-height:320px;display:flex;align-items:center;justify-content:center}
.visual-featured-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(to top,rgba(15,23,42,.35),transparent);z-index:1}
.visual-featured-img .visual-card-img-badge{top:20px;left:20px;font-size:12px;padding:6px 16px}
.visual-featured-img .visual-card-img-label{bottom:24px;left:24px;right:24px;font-size:16px}
.visual-featured-img .plat-show-ui{position:relative;z-index:2;width:75%;max-width:380px;display:flex;flex-direction:column;gap:10px;transition:transform .5s cubic-bezier(.25,.46,.45,.94)}
.visual-featured-inner:hover .visual-featured-img .plat-show-ui{transform:scale(1.06)}
.visual-featured-body{padding:36px 34px;display:flex;flex-direction:column;justify-content:center}
.visual-featured-body h3{font-size:22px;font-weight:800;color:var(--t-strong);margin-bottom:10px}
.visual-featured-body>p{font-size:14px;color:var(--t-body);line-height:1.85;margin-bottom:20px}
.visual-featured-highlights{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.vf-highlight{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-body);padding:8px 12px;background:var(--g50);border-radius:var(--r-sm)}
.vf-hl-icon{font-size:16px;flex-shrink:0}
.visual-featured-body .visual-card-tags{margin-bottom:16px}
.vf-cta{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--g600);transition:gap .2s}
.vf-cta:hover{gap:10px;color:var(--g500)}
/* Standard vertical cards */
.visual-card{background:var(--white);border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--b-light);transition:all .35s}
.visual-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--g300)}
.visual-card-img{height:220px;background:linear-gradient(160deg,var(--g700),var(--g600));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.visual-card-img-zoom{transition:transform .5s cubic-bezier(.25,.46,.45,.94)}
.visual-card:hover .visual-card-img-zoom{transform:scale(1.08)}
.visual-card-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(to top,rgba(15,23,42,.3),transparent)}
.visual-card-img-badge{position:absolute;top:14px;left:14px;z-index:2;font-size:10px;font-weight:700;color:#fff;background:rgba(255,255,255,.18);padding:4px 12px;border-radius:12px;letter-spacing:.04em}
.visual-card-img-label{position:absolute;bottom:16px;left:16px;right:16px;z-index:2;color:#fff;font-size:14px;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.2)}
.visual-card-body{padding:24px}
.visual-card-body h3{font-size:17px;font-weight:700;color:var(--t-strong);margin-bottom:6px}
.visual-card-body p{font-size:13px;color:var(--t-muted);line-height:1.7;margin-bottom:14px}
.visual-card-tags{display:flex;flex-wrap:wrap;gap:6px}
.visual-card-tag{font-size:11px;padding:4px 12px;border-radius:12px;background:var(--g50);color:var(--g600);font-weight:500}

/* ===== Image Gallery Strip ===== */
.img-strip{display:flex;gap:16px;overflow:hidden;padding:8px 0}
.img-strip-item{flex-shrink:0;width:280px;height:180px;background:linear-gradient(135deg,var(--g200),var(--g100));border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:40px;transition:all .3s;position:relative;overflow:hidden}
.img-strip-item:hover{transform:scale(1.03);box-shadow:var(--shadow-md)}
.img-strip-item::after{content:attr(data-label);position:absolute;bottom:10px;left:12px;font-size:11px;font-weight:600;color:var(--g600);background:rgba(255,255,255,.85);padding:3px 10px;border-radius:4px}

/* Platform bar chart stagger animation */
.platform-cahrt .p-bar{transition:height .8s cubic-bezier(.25,.46,.45,.94)}
.platform-cahrt.animate .p-bar{animation:barGrow .8s ease forwards}
.platform-cahrt.animate .p-bar:nth-child(1){animation-delay:0s}.platform-cahrt.animate .p-bar:nth-child(2){animation-delay:.06s}
.platform-cahrt.animate .p-bar:nth-child(3){animation-delay:.12s}.platform-cahrt.animate .p-bar:nth-child(4){animation-delay:.18s}
.platform-cahrt.animate .p-bar:nth-child(5){animation-delay:.24s}.platform-cahrt.animate .p-bar:nth-child(6){animation-delay:.30s}
.platform-cahrt.animate .p-bar:nth-child(7){animation-delay:.36s}.platform-cahrt.animate .p-bar:nth-child(8){animation-delay:.42s}
@keyframes barGrow{from{height:0}to{height:var(--target-h)}}

/* ===== Divider ===== */
.divider-line{max-width:1200px;margin:0 auto;height:1px;background:var(--b-light)}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.about-text h2{font-size:30px;font-weight:800;color:var(--t-strong);margin-bottom:20px;line-height:1.3}
.about-text p{font-size:15px;color:var(--t-body);line-height:2;margin-bottom:16px}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}
.about-stat{background:var(--g50);border-radius:var(--r-md);padding:22px;text-align:center;border:1px solid var(--b-light);transition:all .3s}
.about-stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--g200)}
.about-stat-num{font-size:30px;font-weight:800;color:var(--g600)}
.about-stat-label{font-size:12px;color:var(--t-muted);margin-top:3px}
.about-vision{display:flex;flex-direction:column;gap:18px}
.vision-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:28px;position:relative;transition:all .3s}
.vision-card:hover{box-shadow:var(--shadow-md);border-color:var(--g200)}
.vision-card::before{content:'';position:absolute;left:0;top:20px;bottom:20px;width:3px;background:var(--g500);border-radius:0 2px 2px 0}
.vision-card h4{font-size:16px;font-weight:700;color:var(--t-strong);margin-bottom:6px}
.vision-card p{font-size:14px;color:var(--t-body);line-height:1.8}

/* ===== Shareholder - 郑州中科集成电路与系统应用研究院 ===== */
.shareholder{background:var(--g50)}
.institute-intro{max-width:1080px;margin:0 auto 48px}
.institute-badge{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:36px 40px;box-shadow:var(--shadow-sm);transition:all .3s}
.institute-badge:hover{box-shadow:var(--shadow-md)}
.institute-logo-area{display:flex;align-items:center;gap:18px;margin-bottom:18px}
.institute-logo-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--g600),var(--g400));border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0;box-shadow:0 4px 16px rgba(5,150,105,.2)}
.institute-name-block h3{font-size:20px;font-weight:800;color:var(--t-strong);margin-bottom:4px}
.institute-tag{display:inline-block;font-size:11px;font-weight:600;color:var(--g600);background:var(--g50);padding:3px 12px;border-radius:12px}
.institute-summary{font-size:15px;color:var(--t-body);line-height:2;margin-top:14px}
.institute-summary strong{color:var(--g700)}
.institute-stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.institute-stat{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:20px;text-align:center;transition:all .3s}
.institute-stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--g200)}
.institute-stat-num{font-size:32px;font-weight:800;color:var(--g600);animation:numberPop .6s ease-out}
.institute-stat-label{font-size:12px;color:var(--t-muted);margin-top:4px}

/* 研究院 - 研究方向 */
.institute-research{margin-bottom:48px}
.institute-section-title{font-size:22px;font-weight:800;color:var(--t-strong);text-align:center;margin-bottom:10px}
.institute-section-desc{font-size:14px;color:var(--t-body);text-align:center;max-width:720px;margin:0 auto 28px;line-height:1.8}
.research-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.research-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:24px 18px;text-align:center;transition:all .3s;position:relative;overflow:hidden}
.research-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--g400),var(--g600));transform:scaleX(0);transition:transform .3s}
.research-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--g300)}
.research-card:hover::after{transform:scaleX(1)}
.research-icon{font-size:36px;margin-bottom:12px}
.research-card h4{font-size:13px;font-weight:700;color:var(--t-strong);margin-bottom:6px;line-height:1.4}
.research-card p{font-size:11px;color:var(--t-muted);line-height:1.7}

/* 研究院 - 组织架构 */
.institute-org{margin-bottom:48px}
.org-structure{max-width:960px;margin:0 auto}
.org-core{text-align:center;margin-bottom:28px}
.org-node.main{display:inline-block;background:linear-gradient(135deg,var(--g700),var(--g600));color:#fff;padding:20px 36px;border-radius:var(--r-lg);font-size:16px;font-weight:700;line-height:1.5;box-shadow:0 8px 24px rgba(5,150,105,.2)}
.org-branches{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.org-group{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:28px;transition:all .3s}
.org-group:hover{box-shadow:var(--shadow-md);border-color:var(--g200)}
.org-group h5{font-size:14px;font-weight:700;color:var(--t-strong);margin-bottom:14px}
.org-group ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.org-group li{font-size:13px;color:var(--t-body);padding:8px 12px;background:var(--g50);border-radius:var(--r-sm);line-height:1.5;position:relative;padding-left:22px}
.org-group li::before{content:'';position:absolute;left:8px;top:50%;transform:translateY(-50%);width:6px;height:6px;background:var(--g400);border-radius:50%}
.org-nine{display:grid;grid-template-columns:1fr 1fr;gap:8px}

/* 研究院 - 资质荣誉 */
.institute-honors{margin-bottom:48px}
.honors-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.honor-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:18px 14px;text-align:center;transition:all .3s}
.honor-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--g200)}
.honor-level{display:inline-block;font-size:10px;font-weight:700;padding:2px 10px;border-radius:10px;margin-bottom:8px;letter-spacing:.03em}
.honor-level.nation{background:#FFF0D2;color:#C47D08}
.honor-level.province{background:var(--g100);color:var(--g700)}
.honor-level.other{background:var(--cool-100);color:var(--t-muted)}
.honor-card h4{font-size:12px;font-weight:600;color:var(--t-strong);line-height:1.4}

/* 研究院 × 公司协同 */
.institute-synergy{margin-bottom:20px}
.synergy-desc{font-size:14px;color:var(--t-body);text-align:center;max-width:640px;margin:0 auto 32px;line-height:1.8}
.synergy-flow{display:flex;align-items:center;justify-content:center;gap:0;max-width:1000px;margin:0 auto;padding:20px 0}
.synergy-node{flex:1;background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:28px 20px;text-align:center;transition:all .3s;max-width:240px}
.synergy-node:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.synergy-node.institute-node{border-top:3px solid var(--g600)}
.synergy-node.company-node{border-top:3px solid var(--g500)}
.synergy-node.value-node{border-top:3px solid var(--amber)}
.synergy-icon{font-size:36px;margin-bottom:10px}
.synergy-node h4{font-size:15px;font-weight:700;color:var(--t-strong);margin-bottom:8px}
.synergy-node p{font-size:12px;color:var(--t-muted);line-height:1.8}
.synergy-arrow{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0 20px;flex-shrink:0}
.arrow-line{width:60px;height:2px;background:linear-gradient(90deg,var(--g300),var(--g600),var(--g300));position:relative}
.arrow-line::after{content:'→';position:absolute;right:-12px;top:-10px;font-size:16px;color:var(--g600)}
.arrow-label{font-size:10px;color:var(--t-muted);text-align:center;margin-top:8px;line-height:1.6}

/* ===== Timeline ===== */
.timeline{background:var(--g50)}
.timeline-track{position:relative;max-width:1000px;margin:0 auto}
.timeline-track::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--g300),var(--g100),var(--g300));transform:translateX(-50%)}
.timeline-phase{display:grid;grid-template-columns:1fr 56px 1fr;align-items:start;gap:40px;padding:24px 0;position:relative}
.timeline-phase:nth-child(even){direction:rtl}
.timeline-phase:nth-child(even) .tl-content{direction:ltr}
.timeline-phase:nth-child(even) .tl-meta{direction:ltr;text-align:right}
.timeline-dot{width:18px;height:18px;background:var(--g600);border-radius:50%;border:3px solid var(--g50);position:relative;z-index:2;margin:0 auto;box-shadow:0 0 0 4px var(--g300);transition:all .3s}
.timeline-phase:hover .timeline-dot{box-shadow:0 0 0 8px var(--g200),0 0 16px rgba(5,150,105,.25)}
.tl-content h4{font-size:15px;font-weight:700;color:var(--t-strong);margin-bottom:4px}
.tl-content p{font-size:13px;color:var(--t-body);line-height:1.7}
.tl-meta{font-size:18px;font-weight:800;color:var(--g600);padding-top:1px}

/* ===== Why Us / Compare ===== */
.why-us{background:var(--bg-slate)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.compare-table{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);overflow:hidden}
.compare-row{display:grid;grid-template-columns:130px 1fr 1fr;border-bottom:1px solid var(--b-light)}
.compare-row:last-child{border-bottom:none}
.compare-row.header{background:linear-gradient(135deg,var(--g700),var(--g600));color:#fff}
.compare-row.header .compare-cell{color:#fff;font-weight:700;padding:14px 14px;font-size:12px}
.compare-cell{padding:12px 14px;font-size:12px;color:var(--t-body);display:flex;align-items:center}
.compare-cell:first-child{font-weight:600;color:var(--t-strong);background:var(--g50)}
.compare-cell.check{color:var(--g600);font-weight:600}
.compare-cell.cross{color:var(--t-muted)}
.advantages{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.adv-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:24px;position:relative;transition:all .3s}
.adv-card:hover{border-color:var(--g400);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.adv-card::before{content:'';position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--g500);border-radius:0 2px 2px 0}
.adv-icon{font-size:26px;margin-bottom:10px}
.adv-card h4{font-size:15px;font-weight:700;color:var(--t-strong);margin-bottom:5px}
.adv-card p{font-size:12px;color:var(--t-muted);line-height:1.7}

/* ===== Qualifications ===== */
.quals-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.qual-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:22px 18px;text-align:center;transition:all .3s}
.qual-card:hover{border-color:var(--g400);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.qual-icon{font-size:28px;margin-bottom:10px}
.qual-card h4{font-size:13px;font-weight:700;color:var(--t-strong);margin-bottom:3px}
.qual-card p{font-size:11px;color:var(--t-muted)}
.qual-ipr{grid-column:1/-1;background:linear-gradient(135deg,var(--g800),var(--g600));color:#fff;border-radius:var(--r-lg);padding:34px;display:flex;align-items:center;justify-content:space-between;transition:all .3s}
.qual-ipr:hover{box-shadow:var(--shadow-lg)}
.qual-ipr-text h3{font-size:20px;font-weight:700;margin-bottom:6px}
.qual-ipr-text p{font-size:13px;color:rgba(255,255,255,.55)}
.qual-ipr-stats{display:flex;gap:40px}
.qual-ipr-stat{text-align:center}
.qual-ipr-stat .num{font-size:34px;font-weight:800;color:var(--g300)}
.qual-ipr-stat .lbl{font-size:11px;color:rgba(255,255,255,.4);margin-top:3px}

/* ===== Solutions Tabs ===== */
.sol-tabs{display:flex;justify-content:center;gap:6px;margin-bottom:40px;flex-wrap:wrap}
.sol-tab{padding:10px 26px;font-size:13px;font-weight:600;color:var(--t-muted);background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-sm);cursor:pointer;transition:all .2s}
.sol-tab:hover{color:var(--g600);border-color:var(--g400)}
.sol-tab.active{background:var(--g600);color:#fff;border-color:var(--g600);box-shadow:0 4px 12px rgba(5,150,105,.2)}

/* ===== Solution Cards ===== */
.sol-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.sol-card-new{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:28px 24px;position:relative;transition:all .3s}
.sol-card-new:hover{box-shadow:var(--shadow-md);border-color:var(--g300);transform:translateY(-4px)}
.sol-card-new::before{content:'';position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--g500);border-radius:0 2px 2px 0;transform:scaleY(0);transition:transform .3s}
.sol-card-new:hover::before{transform:scaleY(1)}
.sol-card-cat{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:700;color:var(--g600);background:var(--g50);padding:4px 12px;border-radius:12px;margin-bottom:14px;letter-spacing:.04em;text-transform:uppercase}
.sol-card-title{font-size:16px;font-weight:700;color:var(--t-strong);margin-bottom:6px;line-height:1.3}
.sol-card-desc{font-size:12px;color:var(--t-muted);line-height:1.7;margin-bottom:14px}
.sol-card-commit{display:inline-flex;align-items:center;gap:5px;font-size:16px;font-weight:800;color:var(--amber);margin-bottom:18px}
.sol-card-features{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.sol-card-feat{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--t-body);line-height:1.6}
.sol-card-feat-icon{width:20px;height:20px;background:var(--g50);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;flex-shrink:0;margin-top:1px;color:var(--g600)}
.sol-card-actions{display:flex;gap:8px}
.sol-card-actions .btn{flex:1;justify-content:center;text-align:center;font-size:12px;padding:9px 14px}

/* ===== Solution Filters ===== */
.sol-filter{display:flex;justify-content:center;gap:8px;margin-bottom:40px;flex-wrap:wrap}
.sol-filter-tag{padding:9px 22px;font-size:12px;font-weight:600;border-radius:20px;cursor:pointer;border:1px solid var(--b-light);background:var(--white);color:var(--t-body);transition:all .2s}
.sol-filter-tag:hover{color:var(--g600);border-color:var(--g400)}
.sol-filter-tag.active{background:var(--g600);color:#fff;border-color:var(--g600);box-shadow:0 4px 12px rgba(5,150,105,.2)}

/* ===== Cases ===== */
.case-featured{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-bottom:36px}
.case-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:24px;position:relative;transition:all .3s}
.case-card:hover{border-color:var(--g300);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.case-card::before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--g500);border-radius:0 2px 2px 0}
.case-card-header{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.case-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--g200),var(--g100));display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--g600);font-weight:700;flex-shrink:0}
.case-company{font-size:14px;font-weight:700;color:var(--t-strong)}
.case-industry{font-size:11px;color:var(--t-muted)}
.case-pain{font-size:12px;color:var(--t-body);margin-bottom:12px;padding:10px 12px;background:var(--g50);border-radius:var(--r-sm);line-height:1.6}
.case-pain-title{font-size:10px;font-weight:700;color:var(--amber);text-transform:uppercase;letter-spacing:.04em;margin-bottom:3px}
.case-results{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.case-result{text-align:center;padding:10px 4px;background:var(--g50);border-radius:var(--r-sm)}
.case-result-val{font-size:18px;font-weight:800;color:var(--g600)}
.case-result-label{font-size:10px;color:var(--t-muted);margin-top:2px}
.case-shortlist{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:36px}
.case-short{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:18px;transition:all .3s}
.case-short:hover{border-color:var(--g300);transform:translateY(-2px)}
.case-short-company{font-size:13px;font-weight:700;color:var(--t-strong);margin-bottom:3px}
.case-short-desc{font-size:11px;color:var(--t-muted)}
.logo-wall{border-top:1px solid var(--b-light);padding-top:36px}
.logo-wall-title{text-align:center;font-size:12px;color:var(--t-muted);margin-bottom:24px;font-weight:500}
.logo-grid{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:30px 44px}
.logo-item{font-size:13px;color:var(--t-muted);font-weight:600;opacity:.5;transition:all .3s;white-space:nowrap}
.logo-item:hover{opacity:1;color:var(--t-strong);transform:scale(1.05)}

/* ===== Partners ===== */
.partner-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:36px}
.partner-cat{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:24px;position:relative;transition:all .3s}
.partner-cat:hover{box-shadow:var(--shadow-md);border-color:var(--g200)}
.partner-cat::before{content:'';position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--g500);border-radius:0 2px 2px 0}
.partner-cat h4{font-size:15px;font-weight:700;color:var(--t-strong);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.partner-orgs{display:flex;flex-wrap:wrap;gap:5px}
.partner-org{font-size:11px;color:var(--t-body);background:var(--g50);padding:4px 10px;border-radius:var(--r-sm)}
.partner-recruit{background:linear-gradient(135deg,var(--g700),var(--g600));color:#fff;border-radius:var(--r-lg);padding:30px 40px;display:flex;align-items:center;justify-content:space-between;transition:all .3s}
.partner-recruit:hover{box-shadow:var(--shadow-lg)}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.news-featured{background:linear-gradient(135deg,var(--g700),var(--g600));border-radius:var(--r-lg);padding:32px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;min-height:260px;transition:all .3s}
.news-featured:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.news-featured .news-date{font-size:11px;color:rgba(255,255,255,.4);margin-bottom:8px}
.news-featured h4{font-size:18px;font-weight:700;margin-bottom:8px}
.news-featured p{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
.news-card-sm{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:22px;display:flex;flex-direction:column;transition:all .3s}
.news-card-sm:hover{border-color:var(--g200);box-shadow:var(--shadow-md)}
.news-card-sm .news-date{font-size:11px;color:var(--t-muted);margin-bottom:8px}
.news-card-sm h4{font-size:14px;font-weight:700;color:var(--t-strong);margin-bottom:8px}
.news-card-sm p{font-size:12px;color:var(--t-muted);line-height:1.7;flex:1}
.news-card-sm .read-more{font-size:12px;color:var(--g600);font-weight:600;margin-top:10px;transition:all .2s}
.news-card-sm:hover .read-more{color:var(--g500)}
.news-list-section{margin-top:36px}
.news-list-item{display:flex;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid var(--b-light);transition:all .2s}
.news-list-item:hover{background:var(--g50);margin:0 -12px;padding:18px 12px;border-radius:var(--r-sm)}
.news-list-date{font-size:12px;color:var(--t-muted);white-space:nowrap;min-width:84px}
.news-list-title{font-size:14px;font-weight:600;color:var(--t-strong);flex:1}
.news-list-arrow{color:var(--g600)}

/* ===== 国家政策文件 ===== */
.policy-docs{background:var(--cool-50)}
.policy-cat-title{font-size:18px;font-weight:700;color:var(--g800);margin:40px 0 20px;padding-bottom:10px;border-bottom:2px solid var(--g200);display:flex;align-items:center;gap:10px}
.policy-cat-title:first-of-type{margin-top:0}
.policy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:12px}
.policy-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:28px 24px;display:flex;flex-direction:column;transition:all .3s;position:relative}
.policy-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--r-lg) var(--r-lg) 0 0;transition:height .3s}
.policy-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--g300)}
.policy-card:hover::before{height:5px}
.policy-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px}
.policy-source{font-size:10px;font-weight:700;padding:2px 10px;border-radius:10px;letter-spacing:.03em;white-space:nowrap}
.policy-source.nation{background:rgba(231,76,60,.08);color:#C0392B}
.policy-source.province{background:rgba(5,150,105,.08);color:var(--g700)}
.policy-source.tech{background:rgba(52,152,219,.08);color:#2471A3}
.policy-docnum{font-size:10px;color:var(--t-muted);font-weight:600;white-space:nowrap}
.policy-date{font-size:10px;color:var(--t-muted);margin-left:auto}
.policy-card h4{font-size:15px;font-weight:700;color:var(--t-strong);line-height:1.5;margin-bottom:10px}
.policy-summary{font-size:12px;color:var(--t-body);line-height:1.8;flex:1}
.policy-impact{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;padding-top:14px;border-top:1px solid var(--b-light)}
.impact-tag{font-size:10px;padding:2px 8px;border-radius:4px;background:var(--g50);color:var(--g700);font-weight:600}
.policy-cta-bar{background:linear-gradient(135deg,var(--g700),var(--g600));border-radius:var(--r-lg);padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:40px;color:#fff}
.policy-cta-text h4{font-size:18px;font-weight:700;margin-bottom:6px}
.policy-cta-text p{font-size:13px;opacity:.75;line-height:1.6}
.policy-cta-bar .btn-primary{background:#fff;color:var(--g700);font-weight:700;padding:12px 28px;white-space:nowrap}
.policy-cta-bar .btn-primary:hover{background:var(--g100)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-info h2{font-size:26px;font-weight:800;color:var(--t-strong);margin-bottom:16px}
.contact-info p{font-size:14px;color:var(--t-body);line-height:1.8;margin-bottom:28px}
.contact-detail{display:flex;flex-direction:column;gap:18px}
.contact-item{display:flex;gap:14px;align-items:flex-start;transition:all .3s}
.contact-item:hover{transform:translateX(4px)}
.contact-item-icon{width:44px;height:44px;background:var(--g50);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-item h4{font-size:13px;font-weight:700;color:var(--t-strong);margin-bottom:2px}
.contact-item p{font-size:12px;color:var(--t-muted);margin:0}
.contact-form-box{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-sm)}
.contact-form-box h3{font-size:18px;font-weight:700;color:var(--t-strong);margin-bottom:6px}
.contact-form-box>p{font-size:12px;color:var(--t-muted);margin-bottom:20px}
.contact-form{display:flex;flex-direction:column;gap:12px}
.contact-form input,.contact-form select,.contact-form textarea{background:var(--g50);border:1px solid var(--b-light);border-radius:var(--r-sm);padding:12px 14px;color:var(--t-strong);font-size:13px;outline:none;font-family:inherit;transition:border-color .2s}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--g500);box-shadow:0 0 0 3px rgba(5,150,105,.08)}
.contact-form textarea{resize:vertical;min-height:100px}
.contact-form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.contact-form button{background:linear-gradient(135deg,var(--g600),var(--g500));color:#fff;border:none;border-radius:var(--r-sm);padding:14px;font-size:15px;font-weight:700;cursor:pointer;transition:all .25s;box-shadow:0 4px 16px rgba(5,150,105,.25)}
.contact-form button:hover{box-shadow:0 6px 24px rgba(5,150,105,.35);transform:translateY(-2px)}
.contact-privacy{font-size:10px;color:var(--t-muted);text-align:center;margin-top:8px}

/* ===== Footer CTA ===== */
.footer-cta{background:linear-gradient(160deg,var(--g800) 0%,var(--g700) 40%,var(--g600) 100%);color:#fff;position:relative;overflow:hidden;padding:56px 0}
.footer-cta::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z'/%3E%3C/g%3E%3C/svg%3E")}
.footer-cta::after{content:'';position:absolute;bottom:-30%;right:-5%;width:500px;height:500px;background:radial-gradient(circle,rgba(20,184,166,.1),transparent 70%);border-radius:50%}
.footer-cta .container{position:relative;z-index:1}
.fcta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.fcta-text .section-label{color:rgba(255,255,255,.45);justify-content:flex-start}
.fcta-text .section-label::before{background:rgba(255,255,255,.3)}
.fcta-text h2{font-size:30px;font-weight:800;line-height:1.35;margin-bottom:14px}
.fcta-text p{font-size:14px;color:rgba(255,255,255,.5);line-height:1.8}
.fcta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);padding:34px;display:flex;flex-direction:column;gap:12px}
.fcta-form input,.fcta-form select{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-sm);padding:12px 14px;color:#fff;font-size:13px;outline:none;font-family:inherit;transition:border-color .2s}
.fcta-form input:focus,.fcta-form select:focus{border-color:var(--g300)}
.fcta-form input::placeholder{color:rgba(255,255,255,.3)}
.fcta-form select{color:#fff;appearance:none;-webkit-appearance:none;cursor:pointer}
.fcta-form select option{color:var(--t-strong);background:#fff}
.fcta-form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fcta-form button{background:linear-gradient(135deg,var(--amber),#F0A820);color:#fff;border:none;border-radius:var(--r-sm);padding:14px;font-size:15px;font-weight:700;cursor:pointer;transition:all .25s;box-shadow:0 4px 16px rgba(232,150,12,.3)}
.fcta-form button:hover{box-shadow:0 6px 24px rgba(232,150,12,.4);transform:translateY(-2px)}
.fcta-privacy{font-size:10px;color:rgba(255,255,255,.3);text-align:center}

/* Footer CTA floating shapes */
.footer-cta-shapes{position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.footer-cta-shape{position:absolute;border-radius:50%;background:rgba(20,184,166,.08);animation:ctaFloat linear infinite}
.footer-cta-shape:nth-child(1){width:60px;height:60px;top:20%;left:10%;animation-duration:18s}
.footer-cta-shape:nth-child(2){width:40px;height:40px;top:60%;left:80%;animation-duration:22s;animation-delay:-5s}
.footer-cta-shape:nth-child(3){width:30px;height:30px;top:30%;left:45%;animation-duration:20s;animation-delay:-10s}
.footer-cta-shape:nth-child(4){width:50px;height:50px;top:70%;left:25%;animation-duration:24s;animation-delay:-7s}
@keyframes ctaFloat{0%{transform:translateY(0) translateX(0) scale(1);opacity:.5}25%{transform:translateY(-40px) translateX(20px) scale(1.2);opacity:.8}50%{transform:translateY(-20px) translateX(-20px) scale(.9);opacity:.4}75%{transform:translateY(-60px) translateX(10px) scale(1.3);opacity:.7}100%{transform:translateY(0) translateX(0) scale(1);opacity:.5}}

/* Staggered card reveal delays */
.home-preview-card[style*="transition-delay"]{transition-delay:var(--card-delay,0s)}

/* ===== Enhanced Tech Hover Glow ===== */
/* Card hover — stronger tech glow */
.home-preview-card:hover,.visual-card:hover,.device-card:hover{box-shadow:0 0 30px rgba(5,150,105,.15),0 8px 32px rgba(15,23,42,.12)}
/* Number scan effect for stat values */
.hero-metric-val,.hero-stat-num,.trust-num{position:relative;overflow:hidden}
.hero-metric-val::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(13,148,136,.12) 50%,transparent 60%);will-change:transform;animation:numScan 3s ease-in-out infinite;pointer-events:none;border-radius:2px}
@keyframes numScan{0%,100%{transform:translateY(-80%)}50%{transform:translateY(80%)}}

/* ===== Footer ===== */
.footer{background:var(--g950);color:rgba(255,255,255,.4);padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:36px;max-width:1200px;margin:0 auto;padding:0 24px}
.footer-brand h4{font-size:17px;font-weight:700;color:#fff;margin-bottom:10px}
.footer-brand p{font-size:12px;line-height:1.8;margin-bottom:14px}
.footer-brand .footer-contact{font-size:11px;line-height:2.2}
.footer-contact svg{width:14px;height:14px;display:inline-block;vertical-align:-3px;margin-right:4px;flex-shrink:0}
.footer-col h4{font-size:12px;font-weight:700;color:rgba(255,255,255,.5);margin-bottom:14px;text-transform:uppercase;letter-spacing:.05em}
.footer-col a{font-size:12px;color:rgba(255,255,255,.35);display:block;margin-bottom:8px;transition:all .2s}
.footer-col a:hover{color:var(--g300);padding-left:4px}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding:20px 24px 0;border-top:1px solid rgba(255,255,255,.06);text-align:center;font-size:11px;color:rgba(255,255,255,.2)}

/* ===== Dual-Track ===== */
.dual-overview{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:56px}
.dual-track-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:38px 34px;position:relative;transition:all .35s}
.dual-track-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.dual-track-card::before{content:'';position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:0 2px 2px 0}
.track-zero::before{background:var(--g500)}
.track-exam::before{background:var(--amber)}
.dual-track-badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:5px 14px;border-radius:12px;margin-bottom:18px}
.track-zero .dual-track-badge{background:var(--g50);color:var(--g600)}
.track-exam .dual-track-badge{background:var(--amber-50);color:var(--amber)}
.dual-track-card h2{font-size:24px;font-weight:700;color:var(--t-strong);margin-bottom:8px;line-height:1.3}
.dual-track-card .dual-track-sub{font-size:13px;color:var(--t-muted);line-height:1.7;margin-bottom:18px}
.dual-track-targets{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.dual-track-target{font-size:11px;font-weight:600;padding:5px 12px;border-radius:var(--r-sm);background:var(--g50);color:var(--t-body)}
.dual-track-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.dual-track-list-item{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--t-body);line-height:1.6}
.dual-track-list-icon{width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:8px;flex-shrink:0;margin-top:2px}
.track-zero .dual-track-list-icon{background:var(--g50);color:var(--g600)}
.track-exam .dual-track-list-icon{background:var(--amber-50);color:var(--amber)}

.track-section{margin-bottom:56px}
.track-section-header{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.track-section-icon{width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:22px}
.track-section-header h2{font-size:24px;font-weight:700;color:var(--t-strong)}
.track-section-divider{width:48px;height:3px;border-radius:2px;margin:10px 0 28px}
.track-zero .track-section-icon{background:var(--g50)}.track-zero .track-section-divider{background:var(--g500)}
.track-exam .track-section-icon{background:var(--amber-50)}.track-exam .track-section-divider{background:var(--amber)}
.track-section-desc{font-size:13px;color:var(--t-muted);max-width:650px;line-height:1.7;margin-bottom:28px}

/* Hardware + Software */
.hw-section{background:var(--g50)}
.hw-intro{max-width:600px;margin:0 auto 36px;text-align:center}
.hw-intro p{font-size:14px;color:var(--t-body);line-height:1.8}
.hw-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.hw-col{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:32px;transition:all .3s}
.hw-col:hover{box-shadow:var(--shadow-md);border-color:var(--g200)}
.hw-col-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid var(--b-light)}
.hw-col-icon{width:40px;height:40px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:20px}
.hw-software .hw-col-icon{background:var(--g50)}.hw-hardware .hw-col-icon{background:var(--amber-50)}
.hw-col h4{font-size:16px;font-weight:700;color:var(--t-strong)}
.hw-col-desc{font-size:11px;color:var(--t-muted);margin-top:3px}
.hw-items{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hw-item{display:flex;align-items:flex-start;gap:8px;padding:10px 12px;background:var(--g50);border-radius:var(--r-sm);font-size:11px;color:var(--t-body);line-height:1.6;transition:all .2s}
.hw-item:hover{background:var(--g100)}
.hw-item-icon{font-size:15px;flex-shrink:0;margin-top:1px}
.hw-item strong{display:block;font-size:12px;color:var(--t-strong);margin-bottom:2px}
.hw-note{text-align:center;font-size:12px;color:var(--t-muted);margin-top:24px;padding:10px 20px;background:var(--g50);border-radius:var(--r-sm)}

/* ===== Platform Preview ===== */
.platform{background:linear-gradient(160deg,var(--g900),var(--g800));color:#fff;overflow:hidden;position:relative}
.platform::before{content:'';position:absolute;top:-20%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(13,148,136,.12),transparent 70%);border-radius:50%}
.platform .container{position:relative;z-index:1}
.platform .section-label{color:rgba(255,255,255,.45);justify-content:center}
.platform .section-label::before{background:rgba(255,255,255,.3)}
.platform .section-title{color:#fff}
.platform .section-subtitle{color:rgba(255,255,255,.4)}
.platform-frame{max-width:1000px;margin:0 auto;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-md);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.platform-frame-bar{display:flex;align-items:center;gap:8px;height:40px;background:rgba(0,0,0,.25);padding:0 16px}
.platform-frame-bar span{width:10px;height:10px;border-radius:50%}
.platform-frame-bar span:nth-child(1){background:var(--g400)}.platform-frame-bar span:nth-child(2){background:rgba(255,255,255,.3)}.platform-frame-bar span:nth-child(3){background:rgba(255,255,255,.2)}
.platform-frame-body{display:grid;grid-template-columns:200px 1fr;min-height:400px}
.platform-sidebar{background:rgba(0,0,0,.12);padding:20px;border-right:1px solid rgba(255,255,255,.04)}
.platform-nav-item{font-size:12px;color:rgba(255,255,255,.4);padding:8px 12px;border-radius:var(--r-sm);margin-bottom:4px;cursor:pointer;transition:all .2s}
.platform-nav-item:hover{color:#fff;background:rgba(255,255,255,.04)}
.platform-nav-item.active{background:rgba(255,255,255,.08);color:#fff;font-weight:600}
.platform-content{padding:24px}
.platform-content-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}
.platform-kpi{background:rgba(255,255,255,.04);border-radius:var(--r-sm);padding:16px;border:1px solid rgba(255,255,255,.04)}
.platform-kpi-val{font-size:24px;font-weight:800;color:var(--g300)}
.platform-kpi-unit{font-size:11px;color:rgba(255,255,255,.3);margin-left:3px}
.platform-kpi-label{font-size:10px;color:rgba(255,255,255,.3);margin-top:2px}
.platform-cahrt{background:rgba(255,255,255,.02);border-radius:var(--r-sm);padding:22px;height:150px;display:flex;align-items:flex-end;gap:10px}
.platform-cahrt .p-bar{flex:1;background:linear-gradient(to top,var(--g400),rgba(13,148,136,.3));border-radius:4px 4px 0 0}
.p-bar:nth-child(1){height:40%}.p-bar:nth-child(2){height:60%}.p-bar:nth-child(3){height:48%}
.p-bar:nth-child(4){height:78%}.p-bar:nth-child(5){height:52%}.p-bar:nth-child(6){height:85%}
.p-bar:nth-child(7){height:35%}.p-bar:nth-child(8){height:68%}

/* ===== Device Cards ===== */
.device-cat-section{margin-bottom:64px}
.device-cat-header{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.device-cat-icon{width:46px;height:46px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:24px;background:var(--g50)}
.device-cat-header h2{font-size:26px;font-weight:700;color:var(--t-strong)}
.device-cat-desc{font-size:14px;color:var(--t-muted);max-width:600px;line-height:1.7;margin-bottom:28px}
.device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.device-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:26px 22px;position:relative;transition:all .35s;overflow:hidden}
.device-card:hover{border-color:var(--g300);box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.device-card::before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--g500);border-radius:0 2px 2px 0}
.device-card::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at top right,var(--g50),transparent 70%);opacity:0;transition:opacity .4s}
.device-card:hover::after{opacity:1}
.device-card-icon{font-size:32px;margin-bottom:12px;position:relative;z-index:1}
.device-card h4{font-size:15px;font-weight:700;color:var(--t-strong);margin-bottom:4px;position:relative;z-index:1}
.device-card .device-model{font-size:11px;color:var(--g600);font-weight:600;margin-bottom:8px;display:block;position:relative;z-index:1}
.device-card p{font-size:12px;color:var(--t-muted);line-height:1.6;margin-bottom:14px;position:relative;z-index:1}
.device-specs{display:flex;flex-wrap:wrap;gap:5px;position:relative;z-index:1}
.device-spec{font-size:10px;color:var(--g600);background:var(--g50);padding:3px 10px;border-radius:3px;font-weight:500}

/* Platform Tab Showcase */
.plat-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:44px}
.plat-tab{padding:11px 28px;font-size:13px;font-weight:600;color:var(--t-muted);background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-sm);cursor:pointer;transition:all .2s}
.plat-tab:hover{color:var(--g600);border-color:var(--g400)}
.plat-tab.active{background:var(--g600);color:#fff;border-color:var(--g600);box-shadow:0 4px 16px rgba(5,150,105,.2)}
.plat-tab .plat-tab-icon{font-size:16px;margin-right:4px}
.plat-showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:48px}
.plat-show-card{background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-lg);padding:0;overflow:hidden;transition:all .35s}
.plat-show-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:var(--g300)}
.plat-show-img{height:210px;background:linear-gradient(160deg,var(--g700),var(--g600));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.plat-show-img::after{content:'';position:absolute;bottom:0;left:0;right:0;height:50%;background:linear-gradient(to top,rgba(15,23,42,.4),transparent)}
.plat-show-img-badge{position:absolute;top:14px;left:14px;z-index:2;font-size:10px;font-weight:700;color:#fff;background:rgba(255,255,255,.18);padding:5px 14px;border-radius:12px;letter-spacing:.04em}
.plat-show-label{position:absolute;bottom:18px;left:18px;right:18px;z-index:2;color:#fff;font-size:14px;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.2)}
.plat-show-body{padding:24px;position:relative}
.plat-show-body h3{font-size:17px;font-weight:700;color:var(--t-strong);margin-bottom:6px}
.plat-show-body p{font-size:12px;color:var(--t-muted);line-height:1.7;margin-bottom:14px}
.plat-show-features{display:flex;flex-wrap:wrap;gap:5px}
.plat-show-feature{font-size:10px;font-weight:500;color:var(--g600);background:var(--g50);padding:3px 10px;border-radius:3px}
/* UI mock elements */
.plat-show-ui{position:relative;z-index:1;width:88%;display:flex;flex-direction:column;gap:8px}
.plat-show-ui-row{display:flex;gap:8px}
.plat-show-ui-block{height:24px;background:rgba(255,255,255,.08);border-radius:3px;flex:1}
.plat-show-ui-block.sm{flex:.5}
.plat-show-ui-block.highlight{background:rgba(13,148,136,.35)}
.plat-show-ui-bar{display:flex;align-items:flex-end;gap:6px;height:64px;padding-top:8px}
.plat-show-ui-bar span{flex:1;background:rgba(13,148,136,.25);border-radius:2px 2px 0 0}
.plat-show-ui-bar span:nth-child(1){height:50%}.plat-show-ui-bar span:nth-child(2){height:32%}
.plat-show-ui-bar span:nth-child(3){height:72%}.plat-show-ui-bar span:nth-child(4){height:45%}
.plat-show-ui-bar span:nth-child(5){height:85%}.plat-show-ui-bar span:nth-child(6){height:38%}
.plat-show-ui-bar span:nth-child(7){height:62%}.plat-show-ui-bar span:nth-child(8){height:75%}
.plat-show-mock{width:90px;height:165px;background:rgba(255,255,255,.04);border-radius:10px;border:1px solid rgba(255,255,255,.08);position:relative;z-index:1;display:flex;flex-direction:column;padding:8px;gap:6px}
.plat-show-mock .m-bar{height:8px;background:rgba(255,255,255,.06);border-radius:2px}
.plat-show-mock .m-bar.m-long{width:70%}
.plat-show-mock .m-bar.m-short{width:45%}
.plat-show-mock .m-kpi{height:20px;background:rgba(13,148,136,.3);border-radius:2px;margin-top:auto}
.plat-show-lg{position:relative;z-index:1;width:92%;display:flex;gap:8px}
.plat-show-lg-card{flex:1;background:rgba(255,255,255,.04);border-radius:6px;padding:10px;display:flex;flex-direction:column;align-items:center;gap:6px}
.plat-show-lg-circle{width:38px;height:38px;border-radius:50%;background:rgba(13,148,136,.3)}
.plat-show-lg-line{height:8px;background:rgba(255,255,255,.06);border-radius:2px;width:70%}
.plat-show-lg-num{font-size:22px;font-weight:800;color:var(--g300)}

/* Service Process */
.service-process{background:var(--white)}
.process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;max-width:960px;margin:0 auto;position:relative}
.process-steps::before{content:'';position:absolute;top:42px;left:calc(16.67% + 24px);right:calc(16.67% + 24px);height:2px;background:linear-gradient(to right,var(--g300),var(--g100),var(--g300));z-index:0}
.process-step{text-align:center;position:relative;z-index:1;padding:0 24px}
.process-step-num{width:52px;height:52px;background:linear-gradient(135deg,var(--g600),var(--g500));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin:0 auto 18px;position:relative;z-index:2;box-shadow:0 0 0 6px var(--white),0 0 0 8px var(--g200);transition:all .3s}
.process-step:hover .process-step-num{transform:scale(1.1);box-shadow:0 0 0 6px var(--white),0 0 0 10px var(--g400),0 0 20px rgba(5,150,105,.3)}
.process-step h4{font-size:16px;font-weight:700;color:var(--t-strong);margin-bottom:6px}
.process-step p{font-size:12px;color:var(--t-muted);line-height:1.7;margin-bottom:14px}
.process-subitems{display:flex;flex-direction:column;gap:5px}
.process-subitems span{font-size:11px;color:var(--t-muted);padding:3px 0}
.process-steps.steps-5{grid-template-columns:repeat(5,1fr)}
.process-steps.steps-5::before{left:calc(10% + 26px);right:calc(10% + 26px)}

/* Highlights */
.highlights{background:linear-gradient(160deg,var(--g800),var(--g700));color:#fff;position:relative;overflow:hidden}
.highlights::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z'/%3E%3C/g%3E%3C/svg%3E")}
.highlights::after{content:'';position:absolute;top:-30%;right:-5%;width:450px;height:450px;background:radial-gradient(circle,rgba(20,184,166,.12),transparent 70%);border-radius:50%}
.highlights .container{position:relative;z-index:1}
.highlights .section-label{color:rgba(255,255,255,.45);justify-content:center}
.highlights .section-label::before{background:rgba(255,255,255,.3)}
.highlights .section-title{color:#fff}
.highlights .section-subtitle{color:rgba(255,255,255,.4);margin:0 auto}
.hl-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;margin-top:36px}
.hl-block h3{font-size:17px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.hl-block>p{font-size:13px;color:rgba(255,255,255,.45);margin-bottom:20px;line-height:1.7}
.hl-items{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.hl-item{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:rgba(255,255,255,.55);line-height:1.7}
.hl-item-icon{width:18px;height:18px;background:rgba(13,148,136,.15);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;flex-shrink:0;margin-top:2px;color:var(--g300)}
.hl-stats{display:flex;gap:20px;flex-wrap:wrap}
.hl-stat{background:rgba(255,255,255,.06);border-radius:var(--r-sm);padding:16px 22px;text-align:center;min-width:110px;border:1px solid rgba(255,255,255,.06)}
.hl-stat .hl-num{font-size:26px;font-weight:800;color:var(--g300);line-height:1}
.hl-stat .hl-lbl{font-size:10px;color:rgba(255,255,255,.35);margin-top:3px}

/* Tech Stack */
.tech-stack{background:var(--bg-slate)}
.tech-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.tech-item{text-align:center;background:var(--white);border:1px solid var(--b-light);border-radius:var(--r-md);padding:30px 18px;transition:all .35s}
.tech-item:hover{border-color:var(--g300);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.tech-item-icon{font-size:36px;margin-bottom:14px}
.tech-item h4{font-size:14px;font-weight:700;color:var(--t-strong);margin-bottom:4px}
.tech-item p{font-size:11px;color:var(--t-muted);line-height:1.6}

/* ===== ANIMATIONS ===== */
/* Scroll reveal */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.fade-in-left{opacity:0;transform:translateX(-30px);transition:opacity .6s ease,transform .6s ease}
.fade-in-left.visible{opacity:1;transform:translateX(0)}
.fade-in-right{opacity:0;transform:translateX(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in-right.visible{opacity:1;transform:translateX(0)}
.scale-in{opacity:0;transform:scale(.9);transition:opacity .5s ease,transform .5s ease}
.scale-in.visible{opacity:1;transform:scale(1)}

/* Keyframes */
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.05)}}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(20px,-20px) scale(1.05)}66%{transform:translate(-15px,15px) scale(.95)}}
@keyframes visualGlow{0%,100%{opacity:.6}50%{opacity:1}}
@keyframes bgDrift{0%{transform:translate(0,0)}100%{transform:translate(60px,60px)}}
@keyframes trustShine{0%,100%{opacity:.5}50%{opacity:1}}
@keyframes btnShimmer{0%{transform:translate(-30%,-30%)}100%{transform:translate(50%,50%)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes floatUp{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes gradientFlow{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes numberPop{0%{transform:scale(1)}50%{transform:scale(1.15)}100%{transform:scale(1)}}
@keyframes titleShine{0%{transform:translateX(-100%)}40%,60%{transform:translateX(200%)}100%{transform:translateX(200%)}}

/* CTA pulse ring */
.cta-pulse{position:relative}
.cta-pulse::after{content:'';position:absolute;inset:-4px;border-radius:inherit;border:2px solid currentColor;opacity:0;animation:pulseRing 2s ease-out infinite}
@keyframes pulseRing{0%{opacity:.4;inset:-4px}100%{opacity:0;inset:-20px}}

/* Green section bg with subtle pattern */
.bg-green-pattern{background:var(--bg-slate);position:relative}
.bg-green-pattern::before{display:none}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-stats{justify-content:center}
  .hero-cta{justify-content:center}
  .hero-desc{margin:0 auto 28px}
  .hero-visual{max-width:480px;margin:0 auto}
  .hero-title{font-size:38px}
  .hero-grid-bg,.hero-data-stream{opacity:.12}
  .hero-network{opacity:.6}
  .about-grid,.why-grid,.fcta-grid,.contact-grid{grid-template-columns:1fr}
  .case-featured{grid-template-columns:1fr}
  .case-shortlist{grid-template-columns:1fr 1fr}
  .quals-grid{grid-template-columns:repeat(2,1fr)}
  .partner-cats{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .platform-frame-body{grid-template-columns:1fr}
  .platform-sidebar{display:flex;gap:6px;overflow-x:auto;border-right:none;border-bottom:1px solid rgba(255,255,255,.04)}
  .platform-nav-item{white-space:nowrap}
  .home-preview-grid{grid-template-columns:1fr}
  .sol-card-grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:repeat(3,1fr)}
  .hl-grid{grid-template-columns:1fr}
  .nav-phone{display:none}
  .plat-showcase{grid-template-columns:1fr}
  .device-grid{grid-template-columns:repeat(2,1fr)}
  .dual-overview{grid-template-columns:1fr}
  .hw-grid{grid-template-columns:1fr}
  .hw-items{grid-template-columns:1fr 1fr}
  .process-steps.steps-5{grid-template-columns:repeat(3,1fr)}
  .process-steps.steps-5::before{display:none}
  .visual-grid{grid-template-columns:1fr}
  .visual-grid-2col{grid-template-columns:1fr 1fr}
  .visual-featured-inner{grid-template-columns:1fr}
  .visual-featured-img{min-height:240px}
  .visual-featured-body{padding:28px 24px}
  .visual-featured-body h3{font-size:19px}
  .research-grid{grid-template-columns:repeat(3,1fr)}
  .honors-grid{grid-template-columns:repeat(3,1fr)}
  .synergy-flow{flex-wrap:wrap;gap:16px}
  .synergy-arrow{flex-direction:row;padding:8px 0}
  .arrow-line{width:40px}
  .synergy-node{min-width:200px}
  .policy-grid{grid-template-columns:repeat(2,1fr)}
  .policy-cta-bar{flex-direction:column;text-align:center;padding:28px 24px}
}
@media(max-width:640px){
  .section{padding:64px 0}
  .section-title{font-size:24px}
  .hero{min-height:auto;padding:120px 0 64px}
  .hero-title{font-size:28px}
  .hero-grid-bg,.hero-data-stream{display:none}
  .hero-network{opacity:.35}
  .page-banner h1{font-size:28px}
  .nav-links{display:none}
  .trust-inner{flex-wrap:wrap;gap:20px;height:auto;padding:20px}
  .timeline-track::before{left:18px}
  .timeline-phase{grid-template-columns:36px 1fr;gap:14px}
  .timeline-phase:nth-child(even){direction:ltr}
  .tl-meta{font-size:14px}
  .case-shortlist{grid-template-columns:1fr}
  .quals-grid{grid-template-columns:1fr}
  .qual-ipr{flex-direction:column;gap:18px;text-align:center}
  .qual-ipr-stats{justify-content:center}
  .compare-table{overflow-x:auto}
  .compare-row{grid-template-columns:90px 1fr 1fr}
  .partner-recruit{flex-direction:column;gap:16px;text-align:center}
  .sol-card-grid{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:1fr;gap:28px}
  .process-steps::before{display:none}
  .sol-filter{overflow-x:auto;flex-wrap:nowrap;justify-content:flex-start;padding-bottom:6px}
  .sol-filter-tag{white-space:nowrap;flex-shrink:0}
  .hl-stats{justify-content:center}
  .device-grid{grid-template-columns:1fr}
  .dual-track-card{padding:24px 20px}
  .hw-items{grid-template-columns:1fr}
  .process-steps.steps-5{grid-template-columns:1fr}
  .institute-logo-area{flex-direction:column;text-align:center}
  .institute-stats-row{grid-template-columns:repeat(2,1fr)}
  .research-grid{grid-template-columns:repeat(2,1fr)}
  .org-branches{grid-template-columns:1fr}
  .honors-grid{grid-template-columns:repeat(2,1fr)}
  .synergy-flow{flex-direction:column;align-items:center}
  .synergy-arrow .arrow-line{display:none}
  .synergy-arrow .arrow-label{font-size:14px}
  .institute-badge{padding:24px 20px}
  .institute-name-block h3{font-size:17px}
  .visual-featured-highlights{grid-template-columns:1fr}
  .visual-featured-body{padding:22px 18px}
  .visual-grid-2col{grid-template-columns:1fr}
  .policy-card{padding:22px 18px}
  .policy-cta-bar{flex-direction:column;text-align:center;padding:24px 20px;gap:16px}
  .policy-cta-bar .btn-primary{width:100%}
}

/* ============================
   右侧悬浮联系栏
   ============================ */
.side-float{
  position:fixed;right:16px;top:50%;transform:translateY(-50%);
  z-index:1000;display:flex;flex-direction:column;gap:12px;
}
.side-float-item{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:transform .25s,box-shadow .25s;
  position:relative;overflow:visible;
  box-shadow:0 4px 14px rgba(0,0,0,.12);
}
.side-float-item.phone{background:#10B981}
.side-float-item.wechat{background:#3B82F6}
.side-float-item.app{background:#8B5CF6}
.side-float-item:hover{transform:scale(1.12);box-shadow:0 6px 20px rgba(0,0,0,.18)}
.side-float-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.side-float-icon svg{width:20px;height:20px;display:block}
.side-float-label{
  position:absolute;right:54px;top:50%;transform:translateY(-50%);
  background:#1F2937;color:#fff;font-size:12px;white-space:nowrap;
  padding:5px 12px;border-radius:6px;opacity:0;pointer-events:none;
  transition:opacity .2s;box-shadow:0 2px 10px rgba(0,0,0,.25);
}
.side-float-label::after{
  content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%);
  border:6px solid transparent;border-left-color:#1F2937;border-right:none;
}
.side-float-item:hover .side-float-label{opacity:1}

/* 微信二维码弹窗（双码：个人微信 + 公众号） */
.wechat-qr-popup{
  position:fixed;right:76px;top:50%;transform:translateY(-50%);
  z-index:1001;background:#fff;border-radius:14px;
  box-shadow:0 8px 40px rgba(0,0,0,.18);padding:14px 16px 12px;
  text-align:center;display:none;width:280px;
}
.wechat-qr-popup.active{display:block}
.wechat-qr-dual{display:flex;gap:12px;justify-content:center;margin-bottom:8px}
.wechat-qr-single{flex:1;text-align:center}
.wechat-qr-single .wechat-qr-img{width:90px;height:90px;margin:0 auto 4px}
.wechat-qr-single .qr-sub-label{font-size:11px;font-weight:600;color:var(--g700);margin-bottom:1px}
.wechat-qr-single .qr-sub-hint{font-size:10px;color:var(--t-muted)}
.wechat-qr-popup h4{font-size:13px;color:var(--g800);margin-bottom:10px;font-weight:600}
.wechat-qr-img{
  width:90px;height:90px;border:1px solid var(--g100);border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--g50);margin:0 auto 8px;overflow:hidden;
}
.wechat-qr-img svg{width:100%;height:100%}
.wechat-qr-popup p{font-size:12px;color:var(--t-muted);margin:0}
.wechat-qr-close{
  position:absolute;top:8px;right:10px;font-size:16px;
  cursor:pointer;color:var(--t-muted);line-height:1;
}

/* ============================
   APP 入口（导航栏右侧 + Hero 区域）
   ============================ */
.nav-app-btn{
  display:flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,var(--g600),var(--g500));
  color:#fff;font-size:12px;font-weight:600;
  padding:6px 14px;border-radius:20px;
  text-decoration:none;transition:all .2s;white-space:nowrap;
  box-shadow:0 2px 8px rgba(36,143,112,.3);
}
.nav-app-btn:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(36,143,112,.4)}
.nav-app-btn-icon{font-size:14px}

/* APP 下载弹窗 + 微信咨询弹窗（统一样式） */
.app-download-modal{
  position:fixed;inset:0;z-index:2000;
  background:rgba(0,0,0,.5);display:none;
  align-items:center;justify-content:center;
}
.app-download-modal.active{display:flex}
.app-modal-box{
  background:#fff;border-radius:16px;padding:32px 28px;
  max-width:340px;width:90%;text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.2);position:relative;
}
.app-modal-close{
  position:absolute;top:12px;right:16px;font-size:20px;
  cursor:pointer;color:var(--t-muted);
}
.app-modal-logo{
  width:64px;height:64px;background:linear-gradient(135deg,var(--g700),var(--g500));
  border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:28px;margin:0 auto 14px;
}
.app-modal-box h3{font-size:18px;font-weight:700;color:var(--g900);margin-bottom:6px}
.app-modal-box p{font-size:13px;color:var(--t-muted);margin-bottom:20px;line-height:1.6}
.app-modal-qr{
  width:140px;height:140px;background:var(--g50);border:1px solid var(--g100);
  border-radius:10px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.app-modal-qr svg{width:100%;height:100%}
.app-modal-hint{font-size:12px;color:var(--t-muted);margin-bottom:16px}
.app-modal-stores{display:flex;gap:10px;justify-content:center}
.app-store-btn{
  display:flex;align-items:center;gap:6px;
  background:var(--g800);color:#fff;font-size:12px;font-weight:500;
  padding:8px 14px;border-radius:8px;cursor:pointer;
  transition:background .2s;text-decoration:none;
}
.app-store-btn:hover{background:var(--g600)}

/* ============================
   CTA 区域 - 二维码联系版
   ============================ */
.fcta-contact{
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.fcta-qr-wrap{
  display:flex;gap:20px;justify-content:center;
}
.fcta-qr-card{
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);
  border-radius:12px;padding:12px 14px 10px;text-align:center;
  min-width:120px;transition:transform .2s,background .2s;
}
.fcta-qr-card:hover{transform:translateY(-3px);background:rgba(255,255,255,0.14)}
.fcta-qr-img{
  width:100px;height:100px;border-radius:8px;overflow:hidden;
  background:#fff;margin:0 auto 8px;
}
.fcta-qr-label{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:4px;
  display:flex;align-items:center;justify-content:center;gap:6px;
}
.fcta-qr-label svg{width:16px;height:16px;flex-shrink:0}
.fcta-qr-sub{
  font-size:12px;color:rgba(255,255,255,.65);
}
.fcta-phone-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--g800);
  font-size:14px;font-weight:600;
  padding:10px 24px;border-radius:10px;
  text-decoration:none;transition:all .2s;
  box-shadow:0 4px 16px rgba(0,0,0,.15);
}
.fcta-phone-btn:hover{background:var(--g50);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.2)}
.fcta-phone-btn svg{width:13px;height:13px;flex-shrink:0;vertical-align:middle}

@media(max-width:640px){
  .side-float{top:auto;bottom:80px;transform:none}
  .side-float-label{display:none}
  .nav-app-btn span:not(.nav-app-btn-icon){display:none}
  .nav-app-btn{padding:6px 10px}
  .fcta-qr-wrap{gap:12px}
  .fcta-qr-card{min-width:100px;padding:10px 10px 8px}
  .fcta-qr-img{width:90px;height:90px}
  .wechat-qr-popup{width:260px;right:60px}
  .wechat-qr-dual{gap:10px}
  .wechat-qr-single .wechat-qr-img{width:90px;height:90px}
}