/* 全局隐藏滚动条，但保留滚动功能 */
::-webkit-scrollbar{width:0;height:0;display:none}
*{scrollbar-width:none;-ms-overflow-style:none}
/* ==================== 设计令牌 ==================== */
:root{
  --blue:#2E6BFF; --blue-2:#1B4FD8; --blue-3:#1235A8;
  --cyan:#22D3EE; --violet:#8B5CF6; --violet-2:#6D3FF0;
  --ink:#0B1322; --ink-2:#0F1A2E; --ink-3:#14223A;
  --text:#0F172A; --text-2:#46546C; --text-3:#7C8BA1;
  --bg:#FFFFFF; --bg-soft:#F4F7FC; --line:#E4EAF4;
  --ok:#16A34A; --warn:#F59E0B; --danger:#EF4444;
  --r:16px; --r-lg:22px; --r-sm:10px;
  --shadow:0 10px 30px rgba(15,35,90,.08);
  --shadow-lg:0 24px 60px rgba(15,35,90,.16);
  --font:'Microsoft YaHei','微软雅黑',-apple-system,BlinkMacSystemFont,'PingFang SC','Noto Sans SC','Segoe UI',sans-serif;
  --grad-blue:linear-gradient(135deg,#2E6BFF 0%,#1B4FD8 100%);
  --grad-cyan:linear-gradient(135deg,#22D3EE 0%,#2E6BFF 100%);
  --grad-violet:linear-gradient(135deg,#8B5CF6 0%,#2E6BFF 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;font-size:14px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:14px;color:var(--text)}
input::placeholder,textarea::placeholder{font-size:14px;color:var(--text-3);font-weight:400}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:60px 0}
.sec-head{max-width:760px;margin:0 auto 32px;text-align:center}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;letter-spacing:1px;color:var(--blue);background:rgba(46,107,255,.08);border:1px solid rgba(46,107,255,.22);padding:5px 14px;border-radius:999px;margin-bottom:12px}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.sec-title{font-size:29px;font-weight:800;line-height:1.3;letter-spacing:.5px;color:var(--text)}
.sec-title .hl{background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-sub{font-size:14px;color:var(--text-2);margin-top:10px}
.sec-sub .dot{margin:0 6px;color:var(--cyan)}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:14px;padding:13px 26px;border-radius:12px;transition:all .25s ease;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--grad-blue);color:#fff;box-shadow:0 8px 22px rgba(46,107,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(46,107,255,.45);filter:brightness(1.06)}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6)}
.btn-outline{color:var(--blue);border:1.5px solid rgba(46,107,255,.4);background:#fff}
.btn-outline:hover{background:rgba(46,107,255,.06);border-color:var(--blue)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2)}
.btn-lg{padding:16px 34px;font-size:14px}
/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(11,19,34,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:11px}
.logo-mark{width:38px;height:38px;flex:none}
.logo-name{color:#fff;font-size:19px;font-weight:800;letter-spacing:1px;line-height:1.15}
.logo-en{display:block;font-size:14px;font-weight:500;letter-spacing:1px;color:rgba(255,255,255,.55);margin-top:5px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{color:rgba(255,255,255,.78);font-size:14px;font-weight:500;padding:9px 14px;border-radius:9px;transition:all .2s;position:relative}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad-cyan)}
.nav-cta{margin-left:14px}
.menu-btn{display:none;width:42px;height:42px;border-radius:10px;color:#fff;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.2)}
.menu-btn svg{width:22px;height:22px}
/* 移动端抽屉 */
.drawer{position:fixed;inset:0;z-index:300;background:rgba(7,12,22,.6);opacity:0;pointer-events:none;transition:opacity .3s}
.drawer.open{opacity:1;pointer-events:auto}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86%);background:var(--ink);padding:28px 24px;transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;gap:4px;overflow-y:auto}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-head .logo-name{font-size:17px}
.drawer-close{width:38px;height:38px;border-radius:9px;color:#fff;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center}
.drawer-link{display:flex;align-items:center;justify-content:space-between;color:rgba(255,255,255,.82);font-size:14px;font-weight:500;padding:13px 10px;border-radius:10px}
.drawer-link:hover,.drawer-link.active{background:rgba(255,255,255,.09);color:#fff}
.drawer-link .arr{color:rgba(255,255,255,.35)}
.drawer-cta{margin-top:18px;width:100%}
.drawer-note{margin-top:22px;font-size:14px;color:rgba(255,255,255,.4);line-height:1.8}
/* 视图切换 */
.view{display:none}
.view.active{display:block;animation:viewIn .4s ease}
@keyframes viewIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
/* ==================== 首页 Hero ==================== */
.hero{position:relative;min-height:86vh;display:flex;align-items:center;background:radial-gradient(1100px 600px at 75% -10%,rgba(46,107,255,.32),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(139,92,246,.22),transparent 55%),linear-gradient(160deg,#0A1120 0%,#0B1A36 55%,#0E2148 100%);color:#fff;overflow:hidden;padding:124px 0 56px}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 40%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 40%,transparent 100%)}
#net-canvas{position:absolute;inset:0;width:100%;height:100%}
.hero-glow{position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(110px);opacity:.5;pointer-events:none}
.hero-glow.g1{top:-140px;right:-80px;background:#2E6BFF}
.hero-glow.g2{bottom:-180px;left:-120px;background:#8B5CF6;opacity:.35}
.hero-inner{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:0 24px;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:600;letter-spacing:1px;color:#BFE3FF;background:rgba(46,107,255,.16);border:1px solid rgba(96,165,250,.35);padding:6px 15px;border-radius:999px;margin-bottom:20px}
.hero-badge .pulse{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(34,211,238,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,211,238,.55)}70%{box-shadow:0 0 0 10px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}
.hero-title{font-size:clamp(31px,5vw,54px);font-weight:900;line-height:1.22;letter-spacing:1px;max-width:820px}
.hero-title .grad{background:linear-gradient(100deg,#4F8BFF 0%,#22D3EE 55%,#8B5CF6 110%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:640px;margin:16px 0 26px;font-weight:300}
.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:34px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.chip{font-size:14px;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);padding:6px 13px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;min-height:32px}
.chip::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:34px;padding:16px 0;border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}
.hstat .num{font-size:27px;font-weight:800;letter-spacing:1px;background:linear-gradient(100deg,#7FB2FF,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.hstat .lab{font-size:14px;color:rgba(255,255,255,.6);margin-top:3px;letter-spacing:.5px}
.hero-pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hpillar{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--r);padding:16px 18px;transition:all .3s;overflow:hidden}
.hpillar::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent,var(--blue));opacity:.85}
.hpillar:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.28);box-shadow:0 14px 32px rgba(0,0,0,.3)}
.hpillar .ic{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;background:color-mix(in srgb,var(--accent,var(--blue)) 18%,transparent);color:#fff}
.hpillar .ic svg{width:21px;height:21px}
.hpillar h3{font-size:14px;font-weight:700;margin-bottom:4px}
.hpillar p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.65}
.hpillar a{display:inline-flex;align-items:center;gap:5px;margin-top:9px;font-size:14px;font-weight:600;color:var(--accent,var(--blue));cursor:pointer}
/* 滚动提示 */
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.5);font-size:14px;letter-spacing:2px;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint::after{content:"";width:1px;height:34px;background:linear-gradient(to bottom,var(--cyan),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
/* ==================== 首页通用区块 ==================== */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.intro-copy .sec-tag{margin-bottom:12px}
.intro-copy h2{font-size:27px;font-weight:800;line-height:1.4;margin-bottom:14px}
.intro-copy h2 .hl{background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.intro-copy p{color:var(--text-2);margin-bottom:10px;font-size:14px}
.intro-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.intro-points li{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:500;color:var(--text);background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:9px 13px}
.intro-points .tick{width:20px;height:20px;flex:none;border-radius:50%;background:var(--grad-blue);display:flex;align-items:center;justify-content:center;color:#fff}
.intro-points .tick svg{width:12px;height:12px}
.intro-card{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.intro-card-top{padding:24px;background:linear-gradient(150deg,#0E1F42,#1235A8);color:#fff}
.intro-card-top h4{font-size:14px;font-weight:700;margin-bottom:4px}
.intro-card-top p{font-size:14px;color:rgba(255,255,255,.65)}
.intro-card-top .big{font-size:44px;font-weight:900;letter-spacing:1px;background:linear-gradient(100deg,#fff,#8FD8FF);-webkit-background-clip:text;background-clip:text;color:transparent;margin:10px 0 2px}
.intro-card-list{padding:14px 0}
.intro-card-list li{display:flex;justify-content:space-between;gap:14px;padding:12px 24px;font-size:14px;border-bottom:1px solid var(--line)}
.intro-card-list li:last-child{border-bottom:none}
.intro-card-list .k{color:var(--text-2)}
.intro-card-list .v{font-weight:600;color:var(--blue);text-align:right}
/* 三大业务体系 */
.bg-soft{background:var(--bg-soft)}
.pillars-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pillar-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;transition:all .3s;display:flex;flex-direction:column;position:relative;overflow:hidden}
.pillar-card::after{content:"";position:absolute;top:0;right:0;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle at 100% 0,color-mix(in srgb,var(--accent,var(--blue)) 16%,transparent),transparent 70%);pointer-events:none}
.pillar-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent,var(--blue)) 35%,var(--line))}
.pillar-ic{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;background:var(--grad-blue);color:#fff;box-shadow:0 8px 18px rgba(46,107,255,.3)}
.pillar-card.accent-cyan .pillar-ic{background:var(--grad-cyan);box-shadow:0 8px 18px rgba(34,211,238,.3)}
.pillar-card.accent-violet .pillar-ic{background:var(--grad-violet);box-shadow:0 8px 18px rgba(139,92,246,.3)}
.pillar-ic svg{width:25px;height:25px}
.pillar-card h3{font-size:14px;font-weight:800;margin-bottom:6px}
.pillar-card .en{font-size:14px;letter-spacing:1px;color:var(--text-3);text-transform:uppercase;margin-bottom:9px}
.pillar-card p{font-size:14px;color:var(--text-2);margin-bottom:12px}
.pillar-list{display:flex;flex-direction:column;gap:7px;flex:1}
.pillar-list li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text);padding:8px 11px;background:var(--bg-soft);border:1px solid var(--line);border-radius:9px;transition:all .2s;cursor:pointer}
.pillar-list li:hover{border-color:var(--blue);background:#fff;box-shadow:var(--shadow)}
.pillar-list .dot{width:7px;height:7px;flex:none;border-radius:2px;background:var(--accent,var(--blue))}
.pillar-more{margin-top:14px;text-align:center}
.pillar-more a{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue);cursor:pointer}
.pillar-more svg{width:15px;height:15px;transition:transform .2s}
.pillar-more a:hover svg{transform:translateX(4px)}
/* 技术优势 */
.adv-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.adv-card{grid-column:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:all .3s;position:relative}
.adv-card:nth-child(4),.adv-card:nth-child(5){grid-column:span 3}
.adv-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(46,107,255,.35)}
.adv-num{font-size:14px;font-weight:800;letter-spacing:2px;color:var(--blue);margin-bottom:9px}
.adv-ic{width:38px;height:38px;border-radius:10px;background:rgba(46,107,255,.09);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.adv-ic svg{width:20px;height:20px}
.adv-card h3{font-size:14px;font-weight:700;margin-bottom:5px}
.adv-card p{font-size:14px;color:var(--text-2);line-height:1.7}
/* 服务流程 */
.flow-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.flow-step{padding:0 14px;position:relative;text-align:center}
.flow-step::before{content:"";position:absolute;top:23px;left:-50%;right:50%;height:2px;background:linear-gradient(90deg,transparent,rgba(46,107,255,.4));z-index:0}
.flow-step:first-child::before{display:none}
.flow-node{position:relative;z-index:1;width:46px;height:46px;margin:0 auto 16px;border-radius:50%;background:var(--grad-blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;box-shadow:0 8px 20px rgba(46,107,255,.35);border:3px solid #fff}
.flow-step h4{font-size:14px;font-weight:700;margin-bottom:5px}
.flow-step p{font-size:14px;color:var(--text-2);line-height:1.65}
/* 案例预览 */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:all .3s;cursor:pointer}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(46,107,255,.3)}
.case-visual{position:relative;height:158px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.case-visual svg.bg-svg{position:absolute;inset:0;width:100%;height:100%}
.case-visual .v-ic{position:relative;z-index:1;width:58px;height:58px;border-radius:15px;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(0,0,0,.18)}
.case-visual .v-ic svg{width:31px;height:31px}
.case-body{padding:15px 18px 17px}
.case-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.case-tags span{font-size:14px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--bg-soft);color:var(--text-2);border:1px solid var(--line)}
.case-card h3{font-size:14px;font-weight:700;margin-bottom:5px}
.case-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.case-foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:14px;color:var(--text-3)}
.case-foot .more{color:var(--blue);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.center-cta{text-align:center;margin-top:30px}
/* CTA 深色区 */
.cta-band{position:relative;background:radial-gradient(800px 400px at 80% 0%,rgba(139,92,246,.25),transparent 60%),radial-gradient(700px 400px at 10% 100%,rgba(46,107,255,.3),transparent 60%),linear-gradient(150deg,#0B1322,#0E2148);color:#fff;padding:54px 0;overflow:hidden}
.cta-band .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:27px;font-weight:800;letter-spacing:.5px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.68);max-width:560px;font-size:14px}
.cta-band .btns{display:flex;gap:14px;flex-wrap:wrap}
.cta-band::before{content:"";position:absolute;inset:0;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:52px 52px}
/* 页脚 */
.footer{background:var(--ink);color:#fff;padding:46px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;padding-bottom:30px}
.footer-about p{font-size:14px;color:rgba(255,255,255,.55);line-height:1.9;margin-top:14px;max-width:300px}
.footer h4{font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a,.footer-links button{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s;text-align:left;display:inline-flex;align-items:center;gap:6px;padding:7px 0;min-height:36px}
.footer-links a:hover,.footer-links button:hover{color:var(--cyan)}
.footer-links svg{width:13px;height:13px;opacity:.5}
.footer-contact li{display:flex;gap:11px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:13px;line-height:1.7}
.footer-contact svg{width:16px;height:16px;flex:none;color:var(--cyan);margin-top:3px}
.footer-contact a.tel{color:#fff;font-weight:700;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 0;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.45)}
.icp-link{color:rgba(255,255,255,.6);cursor:pointer;display:inline-flex;align-items:center;gap:5px;padding:8px 6px;min-height:40px}
.icp-link:hover{color:#fff}
.icp-link svg{width:13px;height:13px}
/* ==================== 页面头 ==================== */
.page-hero{position:relative;background:radial-gradient(900px 420px at 85% -20%,rgba(46,107,255,.3),transparent 60%),radial-gradient(700px 380px at 5% 120%,rgba(139,92,246,.2),transparent 55%),linear-gradient(160deg,#0A1120,#0E2148);color:#fff;padding:104px 0 42px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;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:52px 52px;mask-image:radial-gradient(ellipse 80% 90% at 50% 20%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 80% 90% at 50% 20%,#000 30%,transparent 100%)}
.page-hero .wrap{position:relative;z-index:2}
.page-crumb{font-size:14px;color:rgba(255,255,255,.55);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.page-crumb a{cursor:pointer;color:rgba(255,255,255,.7)}
.page-crumb a:hover{color:#fff}
.page-crumb .sep{opacity:.4}
.page-hero h1{font-size:clamp(27px,3.8vw,38px);font-weight:900;letter-spacing:1px}
.page-hero h1 .hl{background:linear-gradient(100deg,#7FB2FF,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p.lead{color:rgba(255,255,255,.7);max-width:720px;margin-top:10px;font-size:14px;font-weight:300;line-height:1.85}
/* 业务中心 */
.svc-banner{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.svc-banner a{cursor:pointer}
.svc-block{margin-bottom:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;transition:box-shadow .3s}
.svc-block:hover{box-shadow:var(--shadow)}
.svc-block-head{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.svc-block-head .ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;flex:none}
.svc-block-head .ic svg{width:23px;height:23px}
.svc-block-head h3{font-size:14px;font-weight:800}
.svc-block-head .en{font-size:14px;letter-spacing:1px;color:var(--text-3);margin-top:1px}
.svc-block .desc{font-size:14px;color:var(--text-2);margin:8px 0 16px 58px}
.svc-items{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.svc-item{border:1px solid var(--line);border-radius:12px;padding:13px 14px;transition:all .25s;cursor:pointer;background:var(--bg-soft)}
.svc-item:hover{border-color:var(--blue);background:#fff;box-shadow:var(--shadow);transform:translateY(-3px)}
.svc-item h4{font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:5px}
.svc-item h4 .i{width:21px;height:21px;flex:none;border-radius:6px;display:flex;align-items:center;justify-content:center}
.svc-item h4 .i svg{width:12px;height:12px}
.svc-item p{font-size:14px;color:var(--text-2);line-height:1.65}
.svc-item .q{display:inline-flex;align-items:center;gap:5px;margin-top:8px;font-size:14px;font-weight:600;color:var(--blue);opacity:0;transform:translateX(-4px);transition:all .25s}
.svc-item:hover .q{opacity:1;transform:none}
.svc-note{margin-top:18px;background:rgba(46,107,255,.05);border:1px dashed rgba(46,107,255,.35);border-radius:12px;padding:13px 18px;font-size:14px;color:var(--text-2);display:flex;gap:10px;align-items:flex-start}
.svc-note svg{width:18px;height:18px;flex:none;color:var(--blue);margin-top:2px}
/* 案例页筛选 */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px;justify-content:center}
.filter-btn{font-size:14px;font-weight:600;padding:9px 20px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:#fff;transition:all .2s}
.filter-btn:hover{border-color:var(--blue);color:var(--blue)}
.filter-btn.on{background:var(--grad-blue);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(46,107,255,.3)}
.cases-all{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card[data-hidden="1"]{display:none}
/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.about-copy h2{font-size:26px;font-weight:800;line-height:1.45;margin-bottom:14px}
.about-copy h2 .hl{background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.about-copy p{color:var(--text-2);margin-bottom:10px;font-size:14px;line-height:1.9}
.about-copy strong{color:var(--text)}
.about-quote{margin-top:16px;background:linear-gradient(135deg,rgba(46,107,255,.06),rgba(139,92,246,.06));border-left:3px solid var(--blue);border-radius:0 12px 12px 0;padding:14px 18px;font-size:14px;color:var(--text-2);font-style:normal;line-height:1.85}
.about-quote b{color:var(--blue)}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;text-align:center;transition:all .3s}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.team-av{width:58px;height:58px;margin:0 auto 11px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:800;color:#fff;background:var(--grad-blue)}
.team-card:nth-child(2) .team-av{background:var(--grad-violet)}
.team-card:nth-child(3) .team-av{background:var(--grad-cyan)}
.team-card h3{font-size:14px;font-weight:700}
.team-card .role{font-size:14px;color:var(--blue);font-weight:600;margin:3px 0 8px}
.team-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.qual-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;gap:14px;align-items:flex-start;transition:all .3s}
.qual-card:hover{box-shadow:var(--shadow);border-color:rgba(46,107,255,.3)}
.qual-ic{width:42px;height:42px;flex:none;border-radius:11px;background:rgba(46,107,255,.09);color:var(--blue);display:flex;align-items:center;justify-content:center}
.qual-ic svg{width:21px;height:21px}
.qual-card h3{font-size:14px;font-weight:700;margin-bottom:4px}
.qual-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.qual-card .icp-badge{display:inline-flex;align-items:center;gap:7px;margin-top:7px;font-size:14px;font-weight:600;color:var(--blue);cursor:pointer}
.qual-card .icp-badge svg{width:14px;height:14px}
/* 咨询页 */
.consult-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start}
.chat-box{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:#fff;display:flex;flex-direction:column;height:560px;font-family:"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif}
.chat-head{background:linear-gradient(135deg,#0E1F42,#1235A8);color:#fff;padding:13px 20px;display:flex;align-items:center;justify-content:center;gap:12px}
.chat-head .ava{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.25)}
.chat-head .ava svg{width:22px;height:22px}
.chat-head .nm{font-size:16px;font-weight:700}
.chat-head .st{font-size:14px;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:6px}
.chat-head .st::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ADE80;box-shadow:0 0 8px #4ADE80}
.chat-body{flex:1;overflow-y:auto;padding:20px;background:var(--bg-soft);display:flex;flex-direction:column;gap:14px}
.msg{display:flex;gap:10px;max-width:86%;animation:msgIn .3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg.bot{align-self:flex-start}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg .bubble{padding:11px 16px;border-radius:14px;font-size:14px;line-height:1.75}
.msg.bot .bubble{background:#fff;border:1px solid var(--line);border-top-left-radius:4px;color:var(--text)}
.msg.user .bubble{background:var(--grad-blue);color:#fff;border-top-right-radius:4px}
.msg .t{font-size:14px;color:var(--text-3);margin-top:4px}
.msg.user .t{text-align:right}
.quick-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:12px 20px 8px;background:#fff;border-top:1px solid var(--line)}
.quick-chip{font-size:14px;padding:7px 12px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:var(--bg-soft);transition:all .2s;text-align:center;min-height:34px}
.quick-chip:hover{color:var(--blue);border-color:var(--blue);background:rgba(46,107,255,.06)}
.chat-input-row{display:flex;gap:10px;padding:14px 16px;background:#fff;border-top:1px solid var(--line)}
.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:11px;padding:12px 15px;outline:none;transition:border .2s;background:var(--bg-soft);font-size:14px}
.chat-input-row input::placeholder{font-size:14px;color:var(--text-3);font-weight:400}
.chat-input-row input:focus{border-color:var(--blue);background:#fff}
.chat-send{width:46px;height:46px;border-radius:11px;background:var(--grad-blue);color:#fff;display:flex;align-items:center;justify-content:center;flex:none;transition:all .2s}
.chat-send:hover{filter:brightness(1.1)}
.chat-send svg{width:20px;height:20px}
.chat-note{font-size:14px;color:var(--text-3);text-align:center;padding:8px 16px 12px;background:#fff}
/* 表单 */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
.form-card h3{font-size:14px;font-weight:800;margin-bottom:4px}
.form-card .sub{font-size:14px;color:var(--text-2);margin-bottom:16px}
.field{margin-bottom:13px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.field label .req{color:var(--danger)}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:11px;padding:12px 15px;outline:none;transition:all .2s;background:var(--bg-soft)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(46,107,255,.12)}
.field textarea{resize:vertical;min-height:110px}
.field .err{font-size:14px;color:var(--danger);margin-top:5px;display:none}
.field.invalid input,.field.invalid textarea{border-color:var(--danger)}
.field.invalid .err{display:block}
.form-card .submit{width:100%}
.form-card .privacy{font-size:14px;color:var(--text-3);margin-top:13px;line-height:1.7}
.form-tip{display:flex;gap:10px;align-items:flex-start;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:20px}
.form-tip svg{width:17px;height:17px;flex:none;color:var(--blue);margin-top:2px}
/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.c-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;transition:all .25s}
.c-card:hover{box-shadow:var(--shadow);border-color:rgba(46,107,255,.35);transform:translateY(-3px)}
.c-card .ic{width:40px;height:40px;border-radius:10px;background:rgba(46,107,255,.09);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.c-card .ic svg{width:20px;height:20px}
.c-card h4{font-size:14px;font-weight:600;color:var(--text-3);margin-bottom:3px}
.c-card .val{font-size:14px;font-weight:700;color:var(--text);word-break:break-all}
.c-card .val a:hover{color:var(--blue)}
.c-card .val.tel{color:var(--blue);font-size:19px;letter-spacing:.5px}
.contact-form{margin-top:20px}
/* 后台 */
.admin-wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.login-box{max-width:400px;margin:80px auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-lg);text-align:center}
.login-box .lock{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--grad-blue);color:#fff;display:flex;align-items:center;justify-content:center}
.login-box .lock svg{width:28px;height:28px}
.login-box h2{font-size:20px;font-weight:800;margin-bottom:6px}
.login-box .hint{font-size:14px;color:var(--text-3);margin-bottom:22px}
.login-box .field{text-align:left}
.login-box .demo-tip{margin-top:16px;font-size:14px;color:var(--text-3);background:var(--bg-soft);border:1px dashed var(--line);border-radius:9px;padding:10px}
.admin-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:30px 0 24px;flex-wrap:wrap}
.admin-top h2{font-size:24px;font-weight:800;display:flex;align-items:center;gap:10px}
.admin-top h2 .ic{width:38px;height:38px;border-radius:10px;background:var(--grad-blue);color:#fff;display:flex;align-items:center;justify-content:center}
.admin-top h2 .ic svg{width:20px;height:20px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.stat-card .num{font-size:30px;font-weight:800;background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-card .lab{font-size:14px;color:var(--text-2);margin-top:3px}
.admin-cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.admin-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.admin-panel-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.admin-panel-head h3{font-size:14px;font-weight:700;display:flex;align-items:center;gap:9px}
.admin-panel-head h3 svg{width:18px;height:18px;color:var(--blue)}
.admin-panel-head .cnt{font-size:14px;color:var(--text-3)}
.admin-list{max-height:360px;overflow-y:auto}
.admin-row{padding:14px 20px;border-bottom:1px solid var(--line);font-size:14px}
.admin-row:last-child{border-bottom:none}
.admin-row .row-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:5px}
.admin-row .who{font-weight:700;color:var(--text)}
.admin-row .time{font-size:14px;color:var(--text-3);flex:none}
.admin-row .txt{color:var(--text-2);line-height:1.7;font-size:14px;word-break:break-all}
.admin-row .meta{font-size:14px;color:var(--text-3);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
.admin-row .tag{display:inline-flex;align-items:center;font-size:14px;font-weight:600;padding:2px 9px;border-radius:999px}
.tag-blue{background:rgba(46,107,255,.1);color:var(--blue)}
.tag-violet{background:rgba(139,92,246,.1);color:var(--violet)}
.tag-green{background:rgba(22,163,74,.1);color:var(--ok)}
.tag-gray{background:rgba(124,139,161,.12);color:var(--text-3)}
.admin-empty{padding:40px 20px;text-align:center;color:var(--text-3);font-size:14px}
.admin-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.admin-actions .btn{font-size:14px;padding:10px 18px}
.admin-warn{margin-top:24px;background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.3);border-radius:12px;padding:14px 18px;font-size:14px;color:#92400E;line-height:1.8}
/* 聊天浮窗 */
.chat-fab{position:fixed;right:22px;bottom:22px;z-index:250;width:58px;height:58px;border-radius:50%;background:var(--grad-blue);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(46,107,255,.45);transition:all .25s}
.chat-fab:hover{transform:scale(1.07)}
.chat-fab svg{width:26px;height:26px}
.chat-fab .badge{position:absolute;top:-2px;right:-2px;width:16px;height:16px;border-radius:50%;background:var(--danger);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;border:2px solid #fff}
.chat-panel{position:fixed;right:22px;bottom:92px;z-index:251;width:min(370px,calc(100vw - 32px));height:min(660px,calc(100vh - 100px));background:#fff;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.35);display:flex;flex-direction:column;overflow:hidden;transform-origin:bottom right;transition:opacity .28s cubic-bezier(.4,0,.2,1),transform .28s cubic-bezier(.4,0,.2,1),visibility .28s;border:1px solid var(--line);font-family:"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif}
.chat-panel.closed{opacity:0;transform:translateX(-50%) scale(.7) translateY(20px);pointer-events:none;visibility:hidden}
.chat-panel .chat-head{cursor:pointer;padding:14px 18px}
.chat-panel .chat-head .ava{width:36px;height:36px}
.chat-panel .chat-body{max-height:none;flex:1;background:var(--bg-soft)}
.chat-panel .chat-note{font-size:14px}
/* 悬浮电话按钮（移动端） */
.fab-tel{position:fixed;right:22px;bottom:92px;z-index:249;width:50px;height:50px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--blue);display:none;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.fab-tel svg{width:22px;height:22px}
/* Toast */
.toast{position:fixed;top:88px;left:50%;transform:translateX(-50%) translateY(-14px);z-index:400;background:var(--ink);color:#fff;font-size:14px;padding:13px 24px;border-radius:12px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all .3s;display:flex;align-items:center;gap:9px;max-width:calc(100vw - 40px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast svg{width:18px;height:18px;color:var(--cyan)}
/* 滚动揭示 */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
/* 响应式 */
@media (max-width:1024px){
  .section{padding:48px 0}
  .nav-links{display:none}
  .menu-btn{display:flex}
  .nav-cta{margin-left:0}
  .hero{padding:110px 0 52px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .hero-pillars{grid-template-columns:1fr;gap:12px}
  .intro-grid,.about-grid,.consult-grid{grid-template-columns:1fr;gap:28px}
  .pillars-grid,.cases-grid,.cases-all,.team-grid{grid-template-columns:repeat(2,1fr)}
  .svc-items{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .adv-card,.adv-card:nth-child(4),.adv-card:nth-child(5){grid-column:span 1}
  .flow-grid{grid-template-columns:repeat(3,1fr);gap:22px 0}
  .flow-step:nth-child(4)::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .svc-banner{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .admin-cols{grid-template-columns:1fr}
}
@media (max-width:640px){
  .section{padding:40px 0}
  .sec-title{font-size:24px}
  .hero-title{font-size:30px}
  .hero-sub{font-size:14px}
  .hero-cta{margin-bottom:26px}
  .hero-chips{margin-bottom:26px}
  .hero-stats{margin-bottom:28px}
  .hstat .num{font-size:22px}
  .pillars-grid,.cases-grid,.cases-all,.team-grid,.qual-grid{grid-template-columns:1fr}
  .svc-items{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr;gap:18px}
  .flow-step::before{display:none!important}
  .flow-step{display:grid;grid-template-columns:46px 1fr;gap:0 16px;text-align:left;align-items:center}
  .flow-node{margin:0}
  .flow-step h4{margin-top:12px}
  .flow-step p{grid-column:2}
  .footer-grid{grid-template-columns:1fr}
  .intro-points{grid-template-columns:1fr}
  .intro-card-list li{flex-direction:column;gap:2px}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .page-hero{padding:96px 0 34px}
  .svc-block{padding:18px}
  .svc-block .desc{margin-left:0}
  .svc-block-head{flex-wrap:wrap}
  .contact-cards{grid-template-columns:1fr}
  .chat-box{height:480px}
  .chat-panel{height:calc(100vh - 20px);bottom:10px;left:50%;right:auto;transform:translateX(-50%);width:calc(100vw - 20px)}
  .stat-grid{grid-template-columns:1fr 1fr}
  .form-card{padding:18px}
  .scroll-hint{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}