/* ============================================================
   配色体系 V5：白底 + 蓝色 banner/页脚 + 蓝色科技元素（老板 2026-10-22 晚定稿）
   ============================================================ */
:root{
  --bg:#FFFFFF;              /* 页面底：白 */
  --bg-soft:#F5F7FA;         /* 分段：浅灰蓝 */
  --panel:#FFFFFF;           /* 卡片 / 面板 */
  --ink:#1A2333;             /* 主文字：深藏青 */
  --muted:#5A6572;           /* 次级文字 */
  --dim:#8A94A0;             /* 弱文字 */
  --accent:#2B7DE9;          /* 亮蓝 */
  --accent-deep:#1E4E8F;     /* 深蓝 */
  --accent-dark:#16283F;     /* 藏青（banner 底 / 页脚底 / 深色面板） */
  --accent-light:#5FA0F0;
  --accent-cyan:#12AECB;     /* 科技青：AI 元素点缀（白底可读） */
  --accent-alpha:rgba(43,125,233,.12);
  --tech-line:rgba(43,125,233,.45);
  --card-bg:#FFFFFF;
  --card-border:#E3E8F0;
  --card-hover:rgba(43,125,233,.55);
  --radius:14px;
  --transition:all .35s cubic-bezier(.25,.46,.46,.94);
  --nav-h:72px;
  --font-serif:Georgia,"Times New Roman","PingFang SC","Microsoft YaHei",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;scroll-padding-top:calc(var(--nav-h) + 20px)}
body{color:var(--ink);font-family:var(--font-body);line-height:1.7;overflow-x:hidden;position:relative;background:transparent}
html{background:var(--bg)}
/* 顶部淡蓝辉光（白底，无网格） */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    radial-gradient(ellipse 110% 55% at 50% -12%,rgba(43,125,233,.10),transparent 62%),
    radial-gradient(ellipse 70% 40% at 88% 42%,rgba(18,174,203,.05),transparent 60%);
  background-size:auto,auto}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg-soft)}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:3px}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 32px}
.section{padding:110px 0;position:relative}
.section-label{font-size:.65rem;text-transform:uppercase;letter-spacing:.22em;color:var(--accent);margin-bottom:14px;font-weight:600}
.section-title{font-family:var(--font-serif);font-size:clamp(1.7rem,3.2vw,2.5rem);line-height:1.3;font-weight:700;margin-bottom:18px;color:var(--ink)}
.section-subtitle{color:var(--muted);font-size:1rem;max-width:640px;margin-bottom:56px}

/* ============ 导航（白底深字；初始叠在蓝 banner 上为白字） ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);display:flex;align-items:center;transition:var(--transition);color:#fff}
.nav.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(20px);border-bottom:1px solid var(--card-border);box-shadow:0 4px 24px rgba(26,35,51,.08);color:var(--ink)}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 32px;width:100%;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:700;font-size:1.05rem;letter-spacing:.06em}
.logo-img{height:34px;width:auto;display:block}
.logo-dark{display:none}
.nav.scrolled .logo-light{display:none}
.nav.scrolled .logo-dark{display:block}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{color:inherit;opacity:.75;font-size:.83rem;font-weight:500;letter-spacing:.03em;transition:var(--transition);position:relative}
.nav-links a::after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--accent);transition:width var(--transition)}
.nav-links a:hover{opacity:1}
.nav-links a:hover::after{width:100%}
.nav-cta{padding:9px 22px;border:1px solid var(--accent-light);border-radius:100px;font-weight:600;letter-spacing:.04em;cursor:pointer;background:none;color:var(--accent-light)!important;opacity:1!important;font-size:.78rem!important;transition:var(--transition)!important}
.nav.scrolled .nav-cta{border-color:var(--accent);color:var(--accent)!important}
.nav-cta:hover{background:var(--accent);border-color:var(--accent)!important;color:#fff!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:currentColor;transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ============ HERO（蓝色 banner） ============ */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;background:var(--accent-dark);color:#fff}
.hero-bg-wrap{position:absolute;inset:0;z-index:0}
.hero-bg-layer{position:absolute;inset:0;background:center center/cover no-repeat;opacity:0;will-change:opacity,transform,filter,clip-path}
/* 首屏背景：深蓝科技底 + 厂房图做「蓝调双色」底纹（保留工业感，但整体是蓝的） */
.scene-1{background:
  radial-gradient(ellipse 60% 50% at 76% 18%,rgba(63,214,228,.20),transparent 62%),
  linear-gradient(165deg,rgba(9,19,33,.90) 0%,rgba(16,44,80,.78) 48%,rgba(29,95,168,.58) 100%),
  url("assets/hero-bg.jpg") center center/cover no-repeat;
  background-blend-mode:normal,normal,luminosity}
.scene-2{background:
  radial-gradient(ellipse 55% 45% at 24% 72%,rgba(43,125,233,.30),transparent 62%),
  linear-gradient(120deg,rgba(9,19,33,.92) 0%,rgba(18,50,90,.72) 52%,rgba(33,104,180,.55) 100%),
  url("assets/hero-bg.jpg") center center/cover no-repeat;
  background-blend-mode:normal,normal,luminosity}
.scene-3{background:
  radial-gradient(ellipse 60% 50% at 62% 32%,rgba(63,214,228,.16),transparent 60%),
  linear-gradient(225deg,rgba(9,19,33,.88) 0%,rgba(20,58,102,.74) 55%,rgba(26,90,158,.5) 100%),
  url("assets/hero-bg.jpg") center center/cover no-repeat;
  background-blend-mode:normal,normal,luminosity}
.hero-grid-overlay{position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px}
/* 透视地面网格（向前滚动的科技地台） */
.hero-floor{position:absolute;left:-25%;right:-25%;bottom:-6%;height:54%;z-index:1;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(95,160,240,.28) 1px,transparent 1px),linear-gradient(90deg,rgba(95,160,240,.28) 1px,transparent 1px);
  background-size:62px 62px;
  transform:perspective(520px) rotateX(64deg);
  -webkit-mask-image:linear-gradient(to top,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(to top,rgba(0,0,0,.9),transparent 78%);
  animation:floorMove 9s linear infinite}
@keyframes floorMove{to{background-position:0 62px,0 0}}
/* 神经元网络（自绘 SVG，缓慢呼吸） */
.hero-network{position:absolute;top:0;right:0;width:64%;height:100%;z-index:1;pointer-events:none;opacity:.6;
  -webkit-mask-image:radial-gradient(ellipse 70% 70% at 72% 42%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 70% 70% at 72% 42%,#000 20%,transparent 78%)}
.hero-network svg{width:100%;height:100%}
.net-node{animation:nodePulse 4.2s ease-in-out infinite}
@keyframes nodePulse{0%,100%{opacity:.35;r:3}50%{opacity:1;r:4.6}}
.net-flow{stroke-dasharray:6 14;animation:dashFlow 3.4s linear infinite}
@keyframes dashFlow{to{stroke-dashoffset:-160}}
/* 粒子层（canvas，向上漂浮的光点） */
.hero-particles{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.75}
.hero-glow{position:absolute;border-radius:50%;z-index:1;pointer-events:none}
.hero-glow-1{width:700px;height:700px;background:radial-gradient(circle,rgba(43,125,233,.18) 0%,transparent 70%);top:5%;left:50%;transform:translate(-50%,0)}
.hero-glow-2{width:500px;height:500px;background:radial-gradient(circle,rgba(120,180,255,.12) 0%,transparent 70%);top:38%;left:28%}
.hero-scanline{position:absolute;top:0;left:0;width:100%;height:2px;z-index:2;opacity:0;pointer-events:none;
  background:linear-gradient(90deg,transparent 0%,rgba(43,125,233,.6) 20%,rgba(255,255,255,.85) 50%,rgba(43,125,233,.6) 80%,transparent 100%);
  box-shadow:0 0 14px rgba(95,160,240,.6)}
@keyframes scanlineMove{0%{opacity:0;transform:translateY(0)}5%{opacity:1}90%{opacity:1}100%{opacity:0;transform:translateY(100vh)}}
@keyframes glitchOut{0%{opacity:.25;transform:translate(0,0) skewX(0);filter:hue-rotate(0)}8%{opacity:.35;transform:translate(-8px,2px) skewX(-2deg);filter:hue-rotate(20deg) saturate(1.5)}16%{opacity:.2;transform:translate(12px,-3px) skewX(3deg)}40%{opacity:.12;transform:translate(-5px,1px) skewX(-1deg);clip-path:inset(12% 0 34%)}70%{opacity:.08;transform:translate(6px,-1px)}100%{opacity:0;transform:translate(0,0)}}
@keyframes glitchIn{0%{opacity:0;filter:brightness(3) hue-rotate(60deg);transform:skewX(-2deg)}15%{opacity:.15;filter:brightness(2) hue-rotate(-30deg);transform:skewX(3deg) translate(5px,0)}30%{opacity:.08;filter:brightness(2.5);clip-path:inset(30% 0 20%)}60%{opacity:.18;clip-path:inset(0)}100%{opacity:.25;filter:none;transform:none}}
@keyframes gridOut{0%{opacity:.25;clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}10%{clip-path:polygon(0 0,33.3% 0,33.3% 25%,0 25%);filter:brightness(1.3)}35%{clip-path:polygon(66.6% 50%,100% 50%,100% 75%,66.6% 75%);filter:brightness(1.5)}65%{clip-path:polygon(33.3% 25%,66.6% 25%,66.6% 50%,33.3% 50%)}100%{opacity:0;clip-path:polygon(50% 50%,50% 50%,50% 50%,50% 50%)}}
@keyframes gridIn{0%{opacity:0;clip-path:polygon(33.3% 25%,66.6% 25%,66.6% 75%,33.3% 75%)}25%{opacity:.12;clip-path:polygon(20% 15%,80% 15%,80% 85%,20% 85%)}55%{opacity:.18;clip-path:polygon(8% 6%,92% 6%,92% 94%,8% 94%)}100%{opacity:.25;clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}}
@keyframes pixelOut{0%{opacity:.25;filter:blur(0) brightness(1);transform:scale(1)}30%{opacity:.24;filter:blur(4px) brightness(1.15);transform:scale(1.02)}60%{opacity:.18;filter:blur(14px) brightness(1.35) contrast(1.5);transform:scale(1.04)}100%{opacity:0;filter:blur(40px) brightness(1.8);transform:scale(1.07)}}
@keyframes pixelIn{0%{opacity:0;filter:blur(60px) brightness(3) contrast(4) saturate(0);transform:scale(1.15)}30%{opacity:.1;filter:blur(25px) brightness(2) saturate(.3)}60%{opacity:.18;filter:blur(8px) brightness(1.4)}100%{opacity:.25;filter:none;transform:scale(1)}}
@keyframes particleOut{0%{opacity:.25;filter:brightness(1)}25%{opacity:.3;filter:brightness(1.4) saturate(1.5)}50%{opacity:.2;filter:brightness(1.8) saturate(2) blur(3px)}100%{opacity:0;filter:brightness(2.4) blur(10px)}}
@keyframes particleIn{0%{opacity:0;filter:brightness(3) saturate(0) blur(40px);transform:scale(1.2)}35%{opacity:.1;filter:brightness(2) blur(15px)}70%{opacity:.2;filter:brightness(1.4) blur(4px)}100%{opacity:.25;filter:none;transform:scale(1)}}
@keyframes holoOut{0%{opacity:.25;clip-path:inset(0)}12%{clip-path:inset(0 0 85%)}35%{clip-path:inset(10% 0 70%)}60%{clip-path:inset(30% 0 45%)}85%{clip-path:inset(58% 0 18%)}100%{opacity:0;clip-path:inset(100% 0 0)}}
@keyframes holoIn{0%{opacity:0;clip-path:inset(0 0 100%)}15%{opacity:.08;clip-path:inset(0 0 78%)}40%{opacity:.15;clip-path:inset(0 0 50%)}70%{opacity:.2;clip-path:inset(0 0 20%)}100%{opacity:.25;clip-path:inset(0)}}
.fx-glitch-out{animation:glitchOut 1.2s ease-in-out forwards}
.fx-glitch-in{animation:glitchIn .8s ease-out forwards}
.fx-grid-out{animation:gridOut 1.5s ease-in-out forwards}
.fx-grid-in{animation:gridIn 1.2s ease-out forwards}
.fx-pixel-out{animation:pixelOut 1.6s ease-in forwards}
.fx-pixel-in{animation:pixelIn 1.2s ease-out forwards}
.fx-particle-out{animation:particleOut 1.4s ease-in forwards}
.fx-particle-in{animation:particleIn 1.2s ease-out forwards}
.fx-holo-out{animation:holoOut 1.6s ease-in-out forwards}
.fx-holo-in{animation:holoIn 1.4s ease-out forwards}
.fx-scan{animation:scanlineMove 1.3s ease-in-out forwards}
.fx-holo-move{animation:holoScanMove 1.6s ease-in-out forwards}

.hero-content{position:relative;z-index:3;max-width:1240px;margin:0 auto;padding:calc(var(--nav-h) + 70px) 32px 90px;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:8px 20px;border:1px solid rgba(255,255,255,.35);border-radius:100px;background:rgba(43,125,233,.25);font-size:.75rem;letter-spacing:.08em;color:#DCEAFF;margin-bottom:34px}
.badge-dot{width:7px;height:7px;background:var(--accent-light);border-radius:50%;flex-shrink:0;animation:pulse-dot 2.2s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1;box-shadow:0 0 8px var(--accent-light)}50%{opacity:.3;box-shadow:0 0 2px var(--accent-light)}}
.hero-title{font-family:var(--font-serif);font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.25;font-weight:700;max-width:980px;margin-bottom:26px;color:#fff}
.hero-title em{font-style:normal;color:#9CC5FF}
.hero-sub{color:rgba(255,255,255,.82);font-size:1.05rem;max-width:620px;margin-bottom:38px}
.hero-guarantees{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-guarantee{display:flex;align-items:center;gap:8px;padding:9px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:100px;font-size:.8rem;color:rgba(255,255,255,.85);backdrop-filter:blur(10px)}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:14px 36px;border-radius:100px;font-size:.88rem;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:var(--transition);display:inline-block;position:relative;overflow:hidden;border:none}
.btn::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0%,rgba(255,255,255,.12) 100%);opacity:0;transition:opacity .5s}
.btn:hover::before{opacity:1}
.btn-primary{background:#fff;color:var(--accent-deep)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 40px rgba(0,0,0,.3)}
.btn-outline{background:none;border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-outline:hover{border-color:#fff;transform:translateY(-3px)}
.hero-stats{display:flex;margin-top:64px;border-top:1px solid rgba(255,255,255,.2);padding-top:30px;gap:0;flex-wrap:wrap}
.hero-stat{flex:1;min-width:150px;padding:0 24px;border-left:1px solid rgba(255,255,255,.2)}
.hero-stat:first-child{border-left:none;padding-left:0}
.stat-num{font-family:var(--font-serif);font-size:2.1rem;font-weight:700;color:#9CC5FF;line-height:1.2}
.stat-label{font-size:.78rem;color:rgba(255,255,255,.6);margin-top:4px;letter-spacing:.05em}
.hero-note{display:block;margin-top:22px;font-size:.72rem;color:rgba(255,255,255,.45);letter-spacing:.03em}

/* ============ Reveal 滚动进场 ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.25,.46,.46,.94),transform .8s cubic-bezier(.25,.46,.46,.94)}
.reveal.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.12s}.reveal-delay-2{transition-delay:.24s}.reveal-delay-3{transition-delay:.36s}

/* ============ 白底卡片通用 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.pain-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:34px 28px;transition:var(--transition);position:relative;overflow:hidden;box-shadow:0 2px 12px rgba(26,35,51,.04)}
.pain-card::after{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity .4s}
.pain-card:hover{border-color:var(--card-hover);transform:translateY(-4px);box-shadow:0 16px 40px rgba(43,125,233,.12)}
.pain-card:hover::after{opacity:1}
.pain-icon{font-size:1.7rem;margin-bottom:18px;display:block}
.pain-card h3{font-size:1.02rem;font-weight:600;margin-bottom:12px;line-height:1.5;color:var(--ink)}
.pain-card p{font-size:.85rem;color:var(--muted);line-height:1.8}

/* ============ 服务能力 ============ */
.serve-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.serve-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:34px 28px;transition:var(--transition);box-shadow:0 2px 12px rgba(26,35,51,.04)}
.serve-card:hover{border-color:var(--card-hover);transform:translateY(-4px);box-shadow:0 16px 40px rgba(43,125,233,.12)}
.serve-emoji{font-size:1.8rem;display:block;margin-bottom:18px}
.serve-card h3{font-size:1.05rem;font-weight:600;margin-bottom:6px;color:var(--ink)}
.serve-tag{font-size:.68rem;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;display:block;margin-bottom:12px}
.serve-card p{font-size:.85rem;color:var(--muted);line-height:1.8}

/* ============ 决策角色 ============ */
.role-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.role-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:32px 28px;transition:var(--transition);box-shadow:0 2px 12px rgba(26,35,51,.04)}
.role-card:hover{border-color:var(--card-hover);transform:translateY(-4px)}
.role-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.role-emoji{font-size:1.5rem}
.role-card h3{font-size:.98rem;font-weight:600;color:var(--ink)}
.role-card p{font-size:.85rem;color:var(--muted);margin-bottom:16px;line-height:1.8}
.role-link{font-size:.78rem;color:var(--accent);letter-spacing:.04em}
.role-link:hover{color:var(--accent-deep)}

/* ============ 交付内容 ============ */
.product-section{background:var(--bg-soft);padding:110px 0}
.solution-card{display:flex;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);overflow:hidden;margin-bottom:26px;transition:var(--transition);box-shadow:0 2px 12px rgba(26,35,51,.04)}
.solution-card:hover{border-color:var(--card-hover);transform:translateY(-4px);box-shadow:0 16px 40px rgba(43,125,233,.12)}
.sol-img{flex:0 0 300px;min-height:260px;background:linear-gradient(170deg,#1A3355,#2258A5);display:flex;align-items:center;justify-content:center;position:relative;border-right:1px solid var(--card-border)}
/* 待替换图片位：发送 1200×1040 图片替换 .sol-img 背景 */
.sol-body{padding:36px 38px;flex:1}
.sol-tier{font-size:.65rem;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;font-weight:600;margin-bottom:8px}
.sol-body h3{font-family:var(--font-serif);font-size:1.35rem;margin-bottom:12px;color:var(--ink)}
.sol-body>p{font-size:.88rem;color:var(--muted);margin-bottom:18px;max-width:560px}
.sol-feats{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.sol-feats li{font-size:.75rem;color:var(--accent-deep);padding:7px 15px;border:1px solid var(--card-border);border-radius:100px;background:var(--accent-alpha)}
.sol-start{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(90deg,var(--accent-alpha),rgba(43,125,233,.03));border:1px solid var(--card-hover);border-radius:var(--radius);padding:26px 34px;margin:34px 0;flex-wrap:wrap}
.sol-start strong{font-size:1rem;color:var(--ink)}
.sol-start p{font-size:.82rem;color:var(--muted);margin-top:4px}
.sol-start .btn{background:var(--accent);color:#fff}
.sol-start .btn:hover{background:var(--accent-deep)}
.harness{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:34px 38px;margin-top:10px;box-shadow:0 2px 12px rgba(26,35,51,.04)}
.harness h3{font-family:var(--font-serif);font-size:1.2rem;margin-bottom:6px;color:var(--ink)}
.harness h3 span{font-size:.7rem;color:var(--accent);letter-spacing:.12em;margin-left:12px;font-family:var(--font-body)}
.harness p{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.harness-badges{display:flex;gap:12px;flex-wrap:wrap}
.harness-badges span{font-size:.76rem;padding:8px 18px;border:1px solid var(--card-hover);border-radius:100px;color:var(--accent-deep)}

/* ============ 对比表 ============ */
.compare-wrap{overflow-x:auto;border:1px solid var(--card-border);border-radius:var(--radius);background:var(--card-bg);box-shadow:0 2px 12px rgba(26,35,51,.04)}
.compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;border-bottom:1px solid var(--card-border);transition:background var(--transition)}
.compare-row:last-child{border-bottom:none}
.compare-row:not(.compare-head):hover{background:var(--accent-alpha)}
.compare-head{background:var(--accent-dark)}
.compare-head>div{font-size:.72rem!important;letter-spacing:.1em!important;color:#9CC5FF!important}
.compare-row>div{padding:18px 22px;font-size:.82rem;color:var(--muted);display:flex;align-items:center}
.compare-row>div:first-child{font-weight:600;color:var(--ink)}
.compare-row>div:nth-child(2){color:var(--accent-deep);font-weight:500}
.compare-note{font-size:.78rem;color:var(--dim);margin-top:20px}

/* ============ 流程 ============ */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:70px;position:relative}
.process-grid::before{content:"";position:absolute;top:28px;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,var(--card-hover),transparent)}
.process-step{text-align:center;position:relative}
.process-num{width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;margin:0 auto 22px;font-family:var(--font-serif);font-size:1.2rem;font-weight:700;color:var(--accent);transition:var(--transition);position:relative;z-index:1}
.process-step:hover .process-num{box-shadow:0 0 0 8px var(--accent-alpha);transform:scale(1.06)}
.process-step h3{font-size:1.02rem;font-weight:600;margin-bottom:8px;color:var(--ink)}
.process-time{font-size:.68rem;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;display:block;margin-bottom:14px}
.process-step p{font-size:.82rem;color:var(--muted);max-width:300px;margin:0 auto;line-height:1.8}

/* ============ 信任条 ============ */
.trust-strip{background:var(--bg-soft);padding:70px 0}
.trust-badges{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-bottom:52px}
.trust-badge{display:flex;align-items:center;gap:8px;padding:9px 20px;background:#fff;border:1px solid var(--card-border);border-radius:100px;font-size:.76rem;color:var(--muted);transition:var(--transition)}
.trust-badge:hover{border-color:var(--card-hover);color:var(--accent-deep);transform:translateY(-2px)}
.trust-label{text-align:center;font-size:.68rem;letter-spacing:.18em;color:var(--dim);text-transform:uppercase;margin-bottom:26px}
.client-row{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
.client-name{font-family:var(--font-serif);font-size:1.05rem;color:var(--dim);letter-spacing:.14em;transition:color var(--transition)}
.client-name:hover{color:var(--muted)}

/* ============ 案例 ============ */
.case-main{display:grid;grid-template-columns:1.15fr .85fr;gap:0;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);overflow:hidden;margin-bottom:26px;box-shadow:0 2px 12px rgba(26,35,51,.04)}
.case-left{padding:44px 46px}
.cc-client{font-size:.68rem;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.case-left h3{font-family:var(--font-serif);font-size:1.5rem;margin-bottom:20px;color:var(--ink)}
.case-block{margin-bottom:16px;font-size:.85rem;color:var(--muted);line-height:1.8}
.case-block strong{color:var(--ink);font-weight:600;margin-right:8px}
.case-quote{border-left:2px solid var(--accent);padding:6px 0 6px 18px;margin-top:24px;font-size:.88rem;color:var(--ink);line-height:1.8}
.case-quote-by{font-size:.72rem;color:var(--dim);margin-top:8px}
.case-right{padding:44px 40px;background:var(--accent-dark);border-left:1px solid var(--card-border);display:flex;flex-direction:column;justify-content:center;gap:26px}
.meter-label{display:flex;justify-content:space-between;font-size:.78rem;color:rgba(255,255,255,.75);margin-bottom:8px}
.meter-label b{color:#9CC5FF;font-family:var(--font-serif);font-size:1rem}
.meter{height:6px;background:rgba(255,255,255,.14);border-radius:100px;overflow:hidden}
.meter-fill{height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-light));border-radius:100px;transition:width 1.4s cubic-bezier(.25,.46,.46,.94)}
.mini-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mini-case{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:30px 26px;transition:var(--transition);box-shadow:0 2px 12px rgba(26,35,51,.04)}
.mini-case:hover{border-color:var(--card-hover);transform:translateY(-4px)}
.mc-industry{font-size:.68rem;letter-spacing:.12em;color:var(--accent);margin-bottom:8px}
.mini-case h4{font-size:.95rem;font-weight:600;margin-bottom:12px;color:var(--ink)}
.mini-case p{font-size:.8rem;color:var(--muted);line-height:1.75;margin-bottom:16px}
.mc-num{font-family:var(--font-serif);font-size:2rem;font-weight:700;color:var(--accent)}
.mc-num-label{font-size:.7rem;color:var(--dim);margin-left:8px}

/* ============ 团队 ============ */
.team-grid{display:grid;grid-template-columns:repeat(2,minmax(0,382px));gap:26px;margin-top:60px;justify-content:center}
.team-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:40px 34px 34px;text-align:center;transition:var(--transition);box-shadow:0 2px 12px rgba(26,35,51,.04)}
.team-card:hover{border-color:var(--card-hover);transform:translateY(-4px);box-shadow:0 16px 40px rgba(43,125,233,.12)}
/* 待替换头像位：发送 400×400 正方形照片，替换 .avatar 内容 */
.avatar{width:110px;height:110px;border-radius:50%;margin:0 auto 22px;border:2px solid var(--card-hover);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:1.9rem;color:#fff;background:linear-gradient(160deg,var(--accent),var(--accent-deep));overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.team-card h3{font-size:1.08rem;font-weight:600;color:var(--ink)}
.team-role{font-size:.68rem;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;margin:4px 0 10px}
.team-cred{font-size:.7rem;line-height:1.8;color:var(--accent-deep);margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed var(--card-border);letter-spacing:.01em}
.team-card p{font-size:.8rem;color:var(--muted);line-height:1.8;margin-bottom:14px;text-align:left}
.team-card p.team-bio-extra{margin-top:-6px;margin-bottom:0}
.team-tag{display:inline-block;font-size:.66rem;padding:5px 14px;border:1px solid var(--card-border);border-radius:100px;color:var(--muted)}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.contact-item{display:flex;gap:14px;margin-bottom:24px;align-items:flex-start}
.contact-icon{width:38px;height:38px;border-radius:10px;border:1px solid var(--card-border);background:var(--accent-alpha);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.contact-item b{display:block;font-size:.78rem;color:var(--dim);font-weight:500;margin-bottom:2px}
.contact-item span{font-size:.9rem;color:var(--ink)}
.form-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:40px 38px;box-shadow:0 8px 32px rgba(26,35,51,.08)}
.form-card h3{font-size:1.15rem;margin-bottom:6px;color:var(--ink)}
.form-card .form-sub{font-size:.78rem;color:var(--dim);margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.74rem;color:var(--muted);margin-bottom:8px;letter-spacing:.03em}
.form-group label i{color:var(--accent);font-style:normal;margin-left:3px}
.form-group input,.form-group select,.form-group textarea{width:100%;background:#fff;border:1px solid var(--card-border);border-radius:10px;padding:12px 16px;color:var(--ink);font-size:.85rem;font-family:var(--font-body);transition:var(--transition);outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-alpha)}
.form-group textarea{resize:vertical;min-height:96px}
.form-group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232B7DE9' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.form-submit{width:100%;text-align:center;background:var(--accent);color:#fff}
.form-submit:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 10px 32px rgba(43,125,233,.3)}
.form-privacy{font-size:.68rem;color:var(--dim);text-align:center;margin-top:14px}
.form-privacy a{color:var(--accent)}

/* ============ 页脚（蓝色） ============ */
footer{padding:64px 0 36px;background:var(--accent-dark);color:rgba(255,255,255,.75)}
.footer-grid{display:flex;justify-content:space-between;gap:60px;flex-wrap:wrap;margin-bottom:44px}
.footer-brand{font-family:var(--font-serif);font-weight:700;font-size:1.05rem;display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-col b{display:block;font-size:.78rem;color:rgba(255,255,255,.45);font-weight:500;margin-bottom:14px;letter-spacing:.06em}
.footer-col a,.footer-col span{display:block;font-size:.82rem;color:rgba(255,255,255,.75);margin-bottom:9px;transition:color var(--transition)}
.footer-col a:hover{color:#9CC5FF}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding-top:26px;font-size:.72rem;color:rgba(255,255,255,.4)}

/* ============ 响应式 ============ */
@media(max-width:960px){
  .team-grid{grid-template-columns:repeat(2,1fr);justify-content:stretch}
  .mini-cases{grid-template-columns:1fr}
  .case-main{grid-template-columns:1fr}
  .case-right{border-left:none;border-top:1px solid var(--card-border)}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .solution-card{flex-direction:column}
  .sol-img{border-right:none;border-bottom:1px solid var(--card-border);min-height:200px}
  .process-grid{grid-template-columns:1fr;gap:48px}
  .process-grid::before{display:none}
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);flex-direction:column;padding:28px 32px;gap:22px;border-bottom:1px solid var(--card-border);transform:translateY(-120%);transition:transform .4s;z-index:999;color:var(--ink)}
  .nav-links.open{transform:none}
  .nav-toggle{display:flex}
}
@media(max-width:560px){
  .team-grid{grid-template-columns:1fr}
  .hero-stat{min-width:calc(50% - 12px);margin-bottom:18px}
  .form-row{grid-template-columns:1fr}
  .hero-guarantees{flex-direction:column;align-items:flex-start}
}

/* ============================================================
   白底科技皮肤（V5）：白底 + 蓝色 banner/页脚 + 蓝色科技元素
   ============================================================ */
.nav.scrolled{background:rgba(255,255,255,.96);border-bottom:1px solid var(--card-border);box-shadow:0 4px 24px rgba(26,35,51,.08);color:var(--ink)}
.nav.scrolled .logo-mark{border-color:var(--accent);color:var(--accent)}
.nav.scrolled .nav-cta{border-color:var(--accent);color:var(--accent)!important}
::-webkit-scrollbar-track{background:#EDF1F7}
.process-num{background:#fff;color:var(--accent);border-color:var(--accent)}
.trust-badge{background:#fff;color:var(--muted)}
.trust-badge:hover{color:var(--accent-deep);border-color:var(--card-hover)}
.pain-card,.serve-card,.role-card,.mini-case,.team-card,.harness,.compare-wrap,.solution-card,.case-main,.form-card{box-shadow:0 2px 12px rgba(26,35,51,.04)}
.pain-card:hover,.serve-card:hover,.role-card:hover,.mini-case:hover,.team-card:hover,
.solution-card:hover,.case-main:hover{box-shadow:0 16px 40px rgba(43,125,233,.14),0 0 0 1px rgba(18,174,203,.18)}
.form-card{box-shadow:0 8px 32px rgba(26,35,51,.08)}
.form-group input,.form-group select,.form-group textarea{background:#fff;border-color:var(--card-border);color:var(--ink)}
.form-group input::placeholder,.form-group textarea::placeholder{color:#9AA6B5}
.form-group select option{background:#fff;color:var(--ink)}
.sol-img{background:linear-gradient(160deg,#0C1B2E,#123A66 55%,#1D5FA8);border-right-color:var(--card-border)}
.sol-img::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(95,160,240,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(95,160,240,.14) 1px,transparent 1px);
  background-size:26px 26px;-webkit-mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 78%);mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 78%)}
.compare-head{background:linear-gradient(90deg,#16283F,#1E4E8F)}
.case-right{background:linear-gradient(160deg,#16283F,#102A47);position:relative;overflow:hidden}
.case-right::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(95,160,240,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(95,160,240,.1) 1px,transparent 1px);
  background-size:24px 24px}
.case-right>*{position:relative;z-index:1}
footer{position:relative;overflow:hidden;background:linear-gradient(180deg,#142A45,#0F1D31)}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,174,203,.8),rgba(43,125,233,.8),transparent)}
footer::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(circle at 18% 0%,rgba(43,125,233,.18),transparent 45%),radial-gradient(circle at 82% 10%,rgba(18,174,203,.10),transparent 42%)}

/* ============ 科技装饰：卡片角标 / 小标题代号 / 流程光点 ============ */
.pain-card,.serve-card,.role-card,.mini-case,.team-card,.harness,.compare-wrap,.solution-card,.case-main,.form-card{position:relative}
.pain-card::before,.serve-card::before,.role-card::before,.mini-case::before,.team-card::before,
.harness::before,.compare-wrap::before,.solution-card::before,.case-main::before,.form-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .35s;z-index:2;
  background-image:
    linear-gradient(var(--tech-line),var(--tech-line)),linear-gradient(var(--tech-line),var(--tech-line)),
    linear-gradient(var(--tech-line),var(--tech-line)),linear-gradient(var(--tech-line),var(--tech-line)),
    linear-gradient(var(--tech-line),var(--tech-line)),linear-gradient(var(--tech-line),var(--tech-line)),
    linear-gradient(var(--tech-line),var(--tech-line)),linear-gradient(var(--tech-line),var(--tech-line));
  background-size:16px 1px,1px 16px,16px 1px,1px 16px,16px 1px,1px 16px,16px 1px,1px 16px;
  background-position:left top,left top,right top,right top,left bottom,left bottom,right bottom,right bottom;
  background-repeat:no-repeat}
.pain-card:hover::before,.serve-card:hover::before,.role-card:hover::before,.mini-case:hover::before,
.team-card:hover::before,.harness:hover::before,.solution-card:hover::before,.case-main:hover::before,.form-card:hover::before{opacity:1}
.section-label{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.section-label::before{content:"// ";color:var(--accent-cyan)}
.process-grid::after{content:"";position:absolute;top:24px;left:12%;width:8px;height:8px;border-radius:50%;
  background:var(--accent-cyan);box-shadow:0 0 14px var(--accent-cyan);animation:dotRun 5.5s ease-in-out infinite}
@keyframes dotRun{0%{left:12%;opacity:0}12%{opacity:1}50%{left:48%}88%{opacity:1}100%{left:85%;opacity:0}}

/* ============ 技术底座滚动条 ============ */
.tech-ticker{position:relative;z-index:1;overflow:hidden;padding:15px 0;background:rgba(245,249,253,.95);
  border-top:1px solid var(--card-border);border-bottom:1px solid var(--card-border)}
.tech-ticker::before,.tech-ticker::after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2;pointer-events:none}
.tech-ticker::before{left:0;background:linear-gradient(90deg,#F5F9FD,transparent)}
.tech-ticker::after{right:0;background:linear-gradient(270deg,#F5F9FD,transparent)}
.ticker-track{display:flex;gap:52px;white-space:nowrap;width:max-content;
  animation:tick 42s linear infinite;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#5F7189}
.ticker-track span{display:inline-flex;align-items:center;gap:12px}
.ticker-track span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent-cyan);box-shadow:0 0 8px var(--accent-cyan)}
@keyframes tick{to{transform:translateX(-50%)}}

/* ============ 关于我们 ============ */
.about-head{max-width:760px;margin-bottom:40px}
.about-rule{width:46px;height:3px;border-radius:2px;margin:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-cyan))}
.about-body{max-width:880px}
.about-body p{font-size:.95rem;color:var(--muted);line-height:2.05;margin-bottom:22px}
.about-body p:last-child{margin-bottom:0}
.about-body .about-lead{font-size:1.16rem;line-height:1.95;color:var(--ink);font-weight:500;letter-spacing:.01em}

/* ============ 企业优势 ============ */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.adv-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:36px 34px;position:relative;overflow:hidden;transition:var(--transition);box-shadow:0 2px 12px rgba(26,35,51,.04)}
.adv-card::after{content:"";position:absolute;top:0;left:0;width:100%;height:2px;opacity:0;transition:opacity .4s;
  background:linear-gradient(90deg,var(--accent),transparent)}
.adv-card:hover{border-color:var(--card-hover);transform:translateY(-4px);box-shadow:0 16px 40px rgba(43,125,233,.12)}
.adv-card:hover::after{opacity:1}
.adv-no{display:block;margin-bottom:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.7rem;letter-spacing:.2em;color:var(--accent-cyan)}
.adv-card h3{font-size:1.05rem;font-weight:600;color:var(--ink);margin-bottom:12px;letter-spacing:.01em}
.adv-card p{font-size:.86rem;color:var(--muted);line-height:1.9}

@media(max-width:960px){
  .nav-links{background:rgba(255,255,255,.98);color:var(--ink);border-bottom:1px solid var(--card-border)}
  .process-grid::after{display:none}
  .tech-ticker::before,.tech-ticker::after{width:48px}
  .adv-grid{grid-template-columns:1fr}
  .about-head{margin-bottom:28px}
  .section{padding:76px 0}
}