/* 店开科技官网 · index 页独有样式 */
:root{
    --brand:#1F4E79;
    --brand-dark:#16395C;
    --brand-deep:#0E2940;
    --accent:#E67E22;
    --accent-hover:#D9720F;
    --text:#243447;
    --muted:#5B6B7B;
    --bg:#FFFFFF;
    --bg-soft:#F4F7FB;
    --border:#E3EAF2;
    --grad:linear-gradient(135deg,#1F4E79 0%,#2C6E9E 55%,#3E8BB5 100%);
    --radius:16px;
    --shadow:0 10px 30px rgba(31,78,121,.10);
    --shadow-lg:0 20px 50px rgba(31,78,121,.16);
    --font:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  }

  html{scroll-behavior:smooth;}

  img{max-width:100%;display:block;}

  section{padding:92px 0;}

  .section-head{text-align:center;max-width:800px;margin:0 auto 56px;}

  .section-head .tag{display:inline-block;background:rgba(31,78,121,.08);color:var(--brand);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:18px;letter-spacing:1px;}

  .section-head h2{font-size:38px;font-weight:800;color:var(--brand-deep);letter-spacing:.5px;}

  .section-head p{color:var(--muted);margin-top:14px;font-size:16px;}

    /* 客户案例墙（左右循环播放，向右） */
  .case-wall{overflow:hidden;position:relative;padding:6px 0;width:100%;}

  .case-wall:hover .case-track{animation-play-state:paused;}

  .case-track{display:flex;gap:16px;width:max-content;animation:case-scroll 34s linear infinite;}

  .case-cell{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 12px;text-align:center;transition:.25s;flex:0 0 168px;width:168px;box-sizing:border-box;}

  .case-cell:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(31,78,121,.10);}

  .case-cell .cq{width:118px;height:118px;object-fit:contain;display:block;margin:0 auto 12px;background:#fff;padding:6px;border:1px solid var(--border);border-radius:10px;box-sizing:border-box;}

  .case-cell .cname{font-size:16px;font-weight:800;color:var(--brand-deep);line-height:1.3;}

  @keyframes case-scroll{0%{transform:translateX(-50%);}100%{transform:translateX(0);}}

  @media(max-width:768px){.case-cell{flex:0 0 148px;width:148px;}}

  .nav{display:flex;align-items:center;justify-content:space-between;height:74px;}

  .logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--brand-deep);}

  .logo .mark{width:38px;height:38px;border-radius:10px;background:#1F4E79;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:19px;}

  .nav-links{display:flex;gap:30px;font-size:15px;color:var(--text);font-weight:500;}

  .nav-links a{transition:color .2s;}

  .nav-links a:hover{color:var(--accent);}

  .nav-cta{display:flex;gap:14px;align-items:center;}

  .btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:all .25s;cursor:pointer;border:none;}

  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(230,126,34,.32);}

  .btn-outline{background:transparent;color:var(--brand);border:2px solid var(--brand);}

  .btn-outline:hover{background:var(--brand);color:#fff;}

  .btn-ghost-white{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);}

  .btn-ghost-white:hover{background:rgba(255,255,255,.12);}

  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px;}

  .burger span{width:24px;height:2.5px;background:var(--brand);border-radius:2px;transition:.3s;}

  @media(max-width:960px){.nav-links,.nav-cta .btn-outline{display:none;}.burger{display:flex;}}

  .mobile-menu{display:none;flex-direction:column;gap:18px;padding:20px 24px 28px;border-top:1px solid var(--border);background:#fff;font-size:16px;font-weight:600;}

  .mobile-menu a{color:var(--text);}

  body.menu-open .mobile-menu{display:flex;}


  /* Hero */
  .hero{background:var(--grad);color:#fff;position:relative;overflow:hidden;}

  .hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(255,255,255,.12),transparent 42%),radial-gradient(circle at 8% 92%,rgba(62,139,181,.32),transparent 46%);}

  .hero::after{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(255,255,255,.12);border-radius:50%;top:-190px;right:-140px;}

  .hero-inner{position:relative;z-index:2;padding:96px 0 110px;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;}

  .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);padding:8px 18px;border-radius:999px;font-size:14px;margin-bottom:24px;font-weight:500;}

  .hero h1{font-size:48px;line-height:1.22;font-weight:900;letter-spacing:.5px;}

  .hero h1 .hl{color:#FFC78C;}

  .hero-sub{font-size:18px;color:rgba(255,255,255,.9);margin-top:22px;max-width:560px;}

  .hero-cap{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}

  .hero-cap span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;color:#fff;}

  .hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:36px;}

  .hero-visual{position:relative;padding:22px;margin-right:70px;}

  .hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:20px;backdrop-filter:blur(6px);padding:26px;box-shadow:0 20px 50px rgba(0,0,0,.2);}

  .hero-card .mini{font-size:13px;color:rgba(255,255,255,.82);margin-bottom:16px;letter-spacing:1px;}

  .hero-cap-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.18);}

  .hero-cap-item:last-child{border-bottom:none;}

  .hero-cap-item .ic{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#FFC78C;flex-shrink:0;}

  .hero-cap-item .tx b{display:block;font-size:14px;color:#fff;font-weight:700;}

  .hero-cap-item .tx span{font-size:12px;color:rgba(255,255,255,.72);}

  .float-chip{position:absolute;background:#fff;color:var(--brand);border-radius:12px;padding:10px 16px;font-size:13px;font-weight:700;box-shadow:var(--shadow-lg);}

  .float-chip.c1{top:-8px;left:-12px;}

  .float-chip.c2{bottom:-12px;right:76px;background:var(--accent);color:#fff;}

  @media(max-width:960px){.hero-inner{grid-template-columns:1fr;padding:64px 0 76px;}.hero h1{font-size:34px;}.hero-visual{max-width:400px;margin:20px auto 0;}}


  /* Trust bar */
  .trust{padding:30px 0;background:var(--bg-soft);border-bottom:1px solid var(--border);}

  .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}

  .trust-item .num{font-size:36px;font-weight:900;color:var(--brand);}

  .trust-item .lbl{font-size:14px;color:var(--muted);margin-top:4px;}

  @media(max-width:960px){.trust-grid{grid-template-columns:repeat(2,1fr);gap:18px;}}


  /* Capability (4 boards) */
  .cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}

  .cap-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:all .3s;position:relative;overflow:hidden;}

  .cap-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}

  .cap-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}

  .cap-click{color:inherit;display:flex;flex-direction:column;box-shadow:0 4px 14px rgba(31,78,121,.06);}

  .cap-click:hover{color:inherit;box-shadow:0 18px 44px rgba(31,78,121,.18);transform:translateY(-8px);border-color:var(--brand);}

  .cap-click .cap-cta .go{display:inline-block;transition:transform .2s;}

  .cap-click:hover .cap-cta .go{transform:translateX(5px);}

  .cap-click:hover .cap-cta{color:var(--accent);}

  .cap-num{font-size:14px;color:var(--accent);font-weight:800;letter-spacing:1px;}

  .cap-card h3{font-size:21px;color:var(--brand-deep);font-weight:800;margin:8px 0 4px;}

  .cap-card .company{font-size:13px;color:var(--brand);font-weight:700;}

  .cap-data{margin-top:14px;display:inline-block;background:rgba(230,126,34,.10);color:var(--accent);font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px;border:1px solid rgba(230,126,34,.25);}

  .cap-card p{font-size:14px;color:var(--muted);margin-top:12px;flex:1;}

  .cap-card ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:8px;}

  .cap-card li{font-size:13px;color:var(--text);display:flex;gap:8px;align-items:flex-start;}

  .cap-card li::before{content:"·";color:var(--accent);font-weight:900;font-size:18px;line-height:1;}

  .cap-cta{margin-top:18px;font-weight:700;color:var(--brand);font-size:14px;}

  .cap-cta:hover{color:var(--accent);}

  @media(max-width:960px){.cap-grid{grid-template-columns:repeat(2,1fr);gap:18px;}}

  @media(max-width:768px){.cap-grid{grid-template-columns:1fr;}}


  /* Products */
  .prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}

  .prod-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px;transition:all .3s;display:flex;flex-direction:column;}

  .prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#CFE0F0;}

  .prod-icon{width:52px;height:52px;border-radius:14px;background:rgba(31,78,121,.08);display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--brand);font-weight:900;margin-bottom:18px;}

  .prod-card h3{font-size:20px;font-weight:800;color:var(--brand-deep);}

  .prod-card .feat{font-size:13px;color:var(--accent);font-weight:700;margin:8px 0 12px;letter-spacing:.5px;}

  .prod-card p{font-size:14px;color:var(--muted);flex:1;}

  .prod-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:700;color:var(--brand);font-size:14px;}

  .prod-link:hover{color:var(--accent);}

  .prod-link::after{content:"→";transition:transform .2s;}

  .prod-link:hover::after{transform:translateX(4px);}

  @media(max-width:960px){.prod-grid{grid-template-columns:1fr;}}


  /* Solutions */
  .sol-layout{display:grid;grid-template-columns:300px 1fr;gap:36px;align-items:stretch;}

  .sol-tabs{display:flex;flex-direction:column;gap:10px;}

  .sol-tab{text-align:left;padding:16px 20px;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;transition:all .2s;}

  .sol-tab:hover{border-color:#CFE0F0;}

  .sol-tab.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--shadow);}

  .sol-panel{background:var(--bg-soft);border-radius:var(--radius);padding:36px;}

  .sol-panel h3{font-size:26px;color:var(--brand-deep);font-weight:800;}

  .sol-panel .en{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:1px;margin-top:4px;}

  .sol-panel p{color:var(--muted);margin-top:16px;font-size:15px;}

  .sol-funcs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px;}

  .sol-func{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;}

  .sol-func b{color:var(--brand);font-size:15px;}

  .sol-func p{font-size:13px;color:var(--muted);margin-top:6px;}

  .sol-cta{margin-top:30px;}

  @media(max-width:960px){.sol-layout{grid-template-columns:1fr;}.sol-tabs{flex-direction:row;overflow-x:auto;}.sol-tab{white-space:nowrap;}.sol-funcs{grid-template-columns:1fr;}}


  /* Cases */
  .case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}

  .case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s;}

  .case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);}

  .case-visual{height:190px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;color:#fff;letter-spacing:2px;}

  .case-body{padding:24px;}

  .case-body h3{font-size:18px;color:var(--brand-deep);font-weight:800;}

  .case-tag{display:inline-block;background:rgba(230,126,34,.1);color:var(--accent);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin:10px 0;}

  .case-body p{font-size:14px;color:var(--muted);}

  .case-metrics{display:flex;gap:20px;margin-top:14px;}

  .case-metrics .m{flex:1;background:var(--bg-soft);border-radius:10px;padding:12px;text-align:center;}

  .case-metrics .m b{display:block;font-size:20px;color:var(--brand);font-weight:900;}

  .case-metrics .m span{font-size:12px;color:var(--muted);}

  .case-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;color:var(--brand);font-weight:700;font-size:14px;}

  .case-link:hover{color:var(--accent);}

  @media(max-width:960px){.case-grid{grid-template-columns:1fr;}}


  /* Badge */
  .badge-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}

  .badge-card{display:flex;align-items:center;gap:18px;background:var(--bg-soft);border:1px solid var(--border);border-radius:14px;padding:22px;}

  .badge-icon{width:48px;height:48px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;flex-shrink:0;}

  .badge-card b{font-size:16px;color:var(--brand-deep);}

  .badge-card span{font-size:13px;color:var(--muted);}

  @media(max-width:960px){.badge-wrap{grid-template-columns:1fr;}}


  /* Insights */
  .insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}

  .insight-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:all .3s;}

  .insight-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);}

  .insight-cat{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:1px;}

  .insight-card h3{font-size:17px;font-weight:700;color:var(--brand-deep);margin-top:10px;line-height:1.5;}

  .insight-card p{font-size:13px;color:var(--muted);margin-top:10px;}

  .insight-card .date{font-size:12px;color:var(--muted);margin-top:16px;border-top:1px solid var(--border);padding-top:12px;}

  @media(max-width:960px){.insight-grid{grid-template-columns:1fr;}}


  /* Lead form */
  .lead{background:var(--grad);color:#fff;position:relative;overflow:hidden;}

  .lead::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 30%,rgba(255,255,255,.1),transparent 40%);}

  .lead-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}

  .lead h2{font-size:36px;font-weight:900;line-height:1.3;}

  .lead p{color:rgba(255,255,255,.85);margin-top:18px;font-size:16px;}

  .lead-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}

  .lead-points span{font-size:15px;color:rgba(255,255,255,.92);}

  .lead-points span::before{content:"✓";color:#7FDFB0;margin-right:8px;font-weight:900;}

  .lead-form{background:#fff;border-radius:20px;padding:34px;box-shadow:var(--shadow-lg);color:var(--text);}

  .lead-form h3{font-size:22px;color:var(--brand-deep);font-weight:800;margin-bottom:6px;}

  .lead-form .sub{font-size:13px;color:var(--muted);margin-bottom:24px;}

  .form-row{margin-bottom:16px;}

  .form-row label{display:block;font-size:13px;font-weight:700;color:var(--text);margin-bottom:6px;}

  .form-row input,.form-row select,.form-row textarea{width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;transition:border .2s;background:#fff;color:var(--text);}

  .form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,78,121,.12);}

  .form-row input::placeholder{color:#A9B5C0;}

  .form-row textarea{resize:vertical;min-height:80px;}

  .form-2col{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

  .form-note{font-size:12px;color:var(--muted);margin-top:14px;}

  .need-tag{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid var(--border);border-radius:999px;font-size:13px;cursor:pointer;transition:all .2s;background:#fff;color:var(--text);user-select:none;}

  .need-tag input{display:none;}

  .need-tag:hover{border-color:var(--brand);}

  .need-tag.checked{background:rgba(31,78,121,.08);border-color:var(--brand);color:var(--brand);font-weight:700;}

  .btn-block{width:100%;margin-top:8px;}

  @media(max-width:960px){.lead-inner{grid-template-columns:1fr;}.lead-form{order:-1;}}


  /* Footer */
  footer{background:var(--brand-deep);color:rgba(255,255,255,.82);padding:60px 0 30px;}

  .foot-grid{display:grid;grid-template-columns:2.3fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}

  .foot-brand .logo .mark{background:#fff;color:var(--brand);}

  .foot-brand p{font-size:16px;color:rgba(255,255,255,.65);margin-top:18px;max-width:380px;}

  .foot-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}

  .foot-col a{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:12px;transition:color .2s;}

  .foot-contact .c{margin-bottom:16px;font-size:14px;}

  .foot-contact .c b{color:#fff;font-size:15px;display:block;margin-top:4px;font-weight:800;}

  .foot-bottom{text-align:center;font-size:13px;color:rgba(255,255,255,.5);padding-top:26px;}

  @media(max-width:960px){.foot-grid{grid-template-columns:1fr 1fr;gap:30px;}}


  /* Floating CTA */
  
  
  
  
  

  /* Reveal */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}

  .insights-cta{text-align:center;margin-top:44px;}

  .insights-cta .btn-outline{border-color:var(--brand);}


/* Founder IP */
#founder{background:var(--grad);color:#fff;padding:96px 0;position:relative;overflow:hidden;}

#founder .container{max-width:1160px;margin:0 auto;padding:0 24px;}

.founder-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center;}

.founder-tag{background:rgba(255,255,255,.16);color:#fff;}

.founder-copy h2{font-size:31px;line-height:1.32;margin:0 0 20px;color:#fff;font-weight:800;}

.founder-quote{font-size:18px;line-height:1.85;color:rgba(255,255,255,.92);margin:0 0 26px;}

.founder-points{display:flex;flex-wrap:wrap;gap:14px 28px;margin-bottom:34px;}

.founder-points span{font-size:15px;color:rgba(255,255,255,.95);}

.founder-points span::before{content:"\2713";color:#fff;margin-right:7px;font-weight:700;}

.founder-cta{display:flex;gap:16px;flex-wrap:wrap;}

.founder-cta .btn-primary{background:var(--accent);box-shadow:0 8px 22px rgba(230,126,34,.38);}

.founder-visual{display:flex;flex-direction:column;gap:22px;align-items:center;}

.founder-photo{position:relative;}

.founder-avatar-img{width:220px;height:220px;border-radius:50%;object-fit:cover;border:4px solid rgba(255,255,255,.45);box-shadow:0 16px 40px rgba(14,41,64,.35);display:block;}

.founder-badge{position:absolute;bottom:-14px;left:50%;transform:translateX(-50%);background:#fff;color:var(--brand);font-size:13px;font-weight:700;padding:9px 18px;border-radius:999px;box-shadow:0 8px 22px rgba(14,41,64,.30);white-space:nowrap;}

.founder-qr{display:flex;gap:28px;justify-content:center;align-items:flex-start;}

.founder-qr .qr-item{text-align:center;}

.founder-qr .qr-item span{display:block;font-size:12px;color:rgba(255,255,255,.9);margin-bottom:8px;}

.founder-qr .qr-img{width:132px;height:132px;border-radius:12px;object-fit:cover;background:#fff;box-shadow:0 8px 20px rgba(14,41,64,.30);}

@media(max-width:960px){.founder-wrap{grid-template-columns:1fr;text-align:center;gap:40px;}.founder-visual{order:-1;}.founder-cta,.founder-points{justify-content:center;}.founder-copy h2{font-size:30px;}}



.logo-img{width:36px;height:36px;object-fit:contain;border-radius:50%;display:block;flex-shrink:0;}


.soc-qr{width:150px;height:150px;border-radius:12px;object-fit:cover;background:#fff;margin-top:6px;box-shadow:var(--shadow);}

.foot-qr{display:flex;gap:12px;margin-bottom:14px;}

.foot-qr a{display:flex;flex-direction:column;align-items:center;gap:6px;color:rgba(255,255,255,.92);font-size:12px;text-decoration:none;}

.foot-qr .foot-qr-img{width:64px;height:64px;border-radius:8px;object-fit:cover;background:#fff;border:2px solid rgba(255,255,255,.18);}