/* ========================================
   Viin . KANGHE - v3
   Theme: Gold #d4a574 | White #fff | Light
   Breakpoints: 1200px / 1024px / 768px / 480px
   ======================================== */

:root {
  --bg-deep: #ffffff;
  --bg-card: #f5f5f5;
  --bg-section: #ffffff;
  --bg-alt: #fafafa;
  --border: rgba(0,0,0,.06);
  --border-hover: rgba(0,0,0,.12);
  --accent: #d4a574;
  --accent-hover: #c8966a;
  --accent-dim: rgba(212,165,116,.1);
  --text: #222222;
  --text-secondary: #555555;
  --text-tertiary: #888888;
  --radius: 0;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans', 'Microsoft YaHei', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg-deep);color:var(--text-secondary);line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#000}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:480px){.container{padding:0 16px}}

/* LOADER */
#loader{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:10000;transition:opacity .5s,visibility .5s}
#loader.hidden{opacity:0;visibility:hidden}
.loader-ring{width:60px;height:60px;border:2px solid rgba(212,165,116,.15);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-text{color:var(--accent);margin-top:16px;font-size:.8rem;letter-spacing:4px;font-weight:300}

/* HEADER */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(0,0,0,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06);height:64px}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:0;flex-shrink:0}
.logo-img{height:48px;width:auto}
.team-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.logo-text{display:inline-flex;align-items:center;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:1.4rem;font-weight:200;letter-spacing:8px;color:var(--accent);text-transform:lowercase}
.logo-sub{font-weight:300;font-size:1.2rem;color:#fff;letter-spacing:2px;margin-left:6px}

.nav{display:flex;align-items:center;gap:0}
.nav>a{display:block;padding:0 16px;color:var(--text-secondary);font-size:.72rem;font-weight:600;letter-spacing:1.5px;line-height:64px;transition:color .3s;white-space:nowrap}
.nav>a:hover{color:var(--accent)}
.nav-dropdown{position:relative}
.dropdown-trigger{display:block;padding:0 16px;color:var(--text-secondary);font-size:.72rem;font-weight:600;letter-spacing:1.5px;line-height:64px;cursor:default;transition:color .3s;white-space:nowrap}
.dd-arrow{font-size:.55rem;margin-left:3px;transition:transform .3s}
.nav-dropdown:hover>.dropdown-trigger,.nav-dropdown:focus-within>.dropdown-trigger{color:var(--accent)}
.nav-dropdown:hover .dd-arrow{transform:rotate(180deg)}
.dropdown-panel{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:rgba(0,0,0,.5);border:1px solid var(--border);padding:20px;z-index:300;min-width:360px;grid-template-columns:1fr 1fr;gap:0}
.nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{display:grid}
.dp-col{padding:0 16px}
.dp-col+.dp-col{border-left:1px solid var(--border)}
.dp-col-title{font-size:.6rem;font-weight:700;color:#fff;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.dp-item{display:flex;align-items:center;gap:10px;padding:7px 6px;color:var(--text-secondary);transition:all .2s;font-size:.78rem;white-space:nowrap}
.dp-item:hover{background:var(--accent-dim);color:var(--accent)}
.dp-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.dp-text{display:flex;flex-direction:column;gap:1px}
.dp-name{font-weight:500;color:#ccc;white-space:nowrap}
.dp-desc{font-size:.62rem;color:var(--text-tertiary);white-space:nowrap}

.nav-toggle{display:none;width:34px;height:34px;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;justify-content:space-around}
.nav-toggle span{display:block;width:100%;height:1.5px;background:var(--text-secondary);transition:all .3s}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(3px,4px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(3px,-4px)}
.nav-overlay{display:none;position:fixed;top:64px;left:0;width:100%;height:calc(100vh - 64px);background:rgba(0,0,0,.5);z-index:998}
.nav-overlay.active{display:block}
@media(min-width:769px){.nav-overlay{display:none!important}}

/* TYPOGRAPHY */
.section{padding:90px 0}
#services{padding-bottom:0}
#advantages{padding-top:50px}
#cases{padding-bottom:0}
#about{padding-top:50px;padding-bottom:0}
#contact{padding-top:50px}
.section-dark{background:#ffffff}
.section-header{text-align:center;margin-bottom:55px}
.section-badge{display:inline-block;font-size:.65rem;font-weight:600;letter-spacing:3px;color:var(--accent);margin-bottom:10px}
.section-title{font-size:2.2rem;font-weight:400;letter-spacing:5px;color:var(--text);margin-bottom:14px}
.section-divider{width:50px;height:2px;background:var(--accent);margin:0 auto 14px}
.section-subtitle{font-size:.82rem;color:var(--text-tertiary);max-width:560px;margin:0 auto;line-height:1.8}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 36px;font-size:.75rem;font-weight:600;letter-spacing:2px;border:none;cursor:pointer;transition:all .3s}
.btn-primary{background:var(--accent);color:#000}
.btn-primary:hover{background:var(--accent-hover);transform:scale(1.04)}
.btn-outline{background:transparent;color:#d4a574;border:1.5px solid #d4a574}
.btn-outline:hover{background:#d4a574;color:#000;border-color:#d4a574;transform:scale(1.04)}
.btn-block{width:100%}

/* HERO */
.hero{position:relative;height:79vh;min-height:550px;margin-top:64px;overflow:hidden;background:#000}
.hero-slider{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .9s ease;z-index:0}
.hero-slide.active{opacity:1;z-index:1}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,0,0,.7) 0%,rgba(0,0,0,.4) 100%);z-index:2}
.hero-content{position:absolute;top:52%;left:8%;transform:translateY(-50%);text-align:left;color:#fff;z-index:3;width:auto;max-width:680px}

.hero-title{font-size:2.4rem;font-weight:300;letter-spacing:6px;margin-bottom:12px;color:#fff;line-height:1.25}
.hero-highlight{display:block;font-weight:200;letter-spacing:10px;color:var(--accent);margin-top:6px}
.hero-subtitle{font-size:1.35rem;color:rgba(212,165,116,.75);letter-spacing:3px;margin-bottom:0;font-weight:300;line-height:1.2}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;background:rgba(255,255,255,.04);border:1px solid var(--border);color:#fff;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;line-height:1}
.hero-arrow:hover{background:var(--accent);color:#000;border-color:var(--accent)}
.hero-arrow-prev{left:20px}
.hero-arrow-next{right:20px}
.hero-dots{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.35);cursor:pointer;transition:all .3s;border:none}
.hero-dot.active{width:24px;border-radius:3px;background:var(--accent)}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--border);border-left:1px solid var(--border)}
.service-card{position:relative;padding:44px 36px;cursor:default;background:var(--bg-deep);border-right:1px solid var(--border);border-bottom:1px solid var(--border);transition:all .3s}
.service-card:hover{background:var(--bg-alt)}

.service-card-content{text-align:left;color:var(--text)}
.sc-icon{font-size:1.5rem;margin-bottom:16px;display:block}
.sc-title-group{margin-bottom:14px}
.sc-title-group h3{font-size:1.05rem;font-weight:600;letter-spacing:2px;color:var(--text);margin-bottom:4px}
.sc-title-group .sc-desc{font-size:.75rem;color:var(--text-tertiary);line-height:1.6}
.sc-features{list-style:none;padding:0;margin:12px 0 0;border-top:1px solid var(--border);padding-top:12px}
.sc-features li{font-size:.72rem;color:var(--text-secondary);padding:4px 0;position:relative;padding-left:14px;line-height:1.5}
.sc-features li::before{content:"\2022";position:absolute;left:0;color:var(--accent);opacity:.6}
.sc-badge{position:absolute;top:44px;right:36px;padding:5px 16px;background:var(--accent);color:#000;font-size:.58rem;font-weight:700;letter-spacing:1px;z-index:2}
.sc-link{display:inline-block;margin-top:12px;color:var(--accent);font-size:.7rem;letter-spacing:1px;font-weight:500;transition:all .3s}
.sc-link:hover{opacity:.7}

/* ADVANTAGES */
.advantages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.advantage-card{padding:44px 36px;background:var(--bg-alt);border-right:1px solid var(--border);border-bottom:1px solid var(--border);transition:all .3s;position:relative}
.advantage-card:nth-child(3n){border-right:none}
.advantage-card:nth-last-child(-n+3){border-bottom:none}
.advantage-card:hover{background:var(--bg-card)}
.ac-num{font-size:2rem;font-weight:200;color:var(--accent);margin-bottom:10px;letter-spacing:1px}
.advantage-card h3{font-size:.85rem;font-weight:600;letter-spacing:1px;color:var(--text);margin-bottom:8px}
.advantage-card p{font-size:.78rem;color:var(--text-tertiary);line-height:1.7}

/* CUSTOMER WALL */
.customer-wall{max-width:760px;margin:0 auto;display:flex;flex-direction:column;padding:0 40px}
.cw-category{display:flex;align-items:center;gap:32px;padding:24px 0;border-bottom:1px solid var(--border)}
.cw-category:last-child{border-bottom:none}
.cw-industry{flex-shrink:0;width:90px;font-size:.85rem;font-weight:600;letter-spacing:2px;color:var(--accent)}
.cw-logos{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;flex:1;min-width:0}
.cw-category:last-child .cw-logos{grid-template-columns:repeat(6,1fr)}
.cw-logo{display:flex;align-items:center;justify-content:center;padding:8px 6px;font-size:.72rem;color:var(--text-secondary);border:1px solid var(--border);transition:all .2s;white-space:nowrap;overflow:hidden}
.cw-logo:hover{background:var(--accent-dim);color:var(--accent);border-color:rgba(212,165,116,.2)}

/* CASES */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.case-card{position:relative}
.case-image{position:relative;height:240px;overflow:hidden}
.case-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-image img{transform:scale(1.06)}
.case-overlay{position:absolute;inset:0;background:rgba(0,0,0,.3);display:flex;align-items:center;justify-content:center;transition:background .3s}
.case-card:hover .case-overlay{background:rgba(0,0,0,.15)}
.case-tag{color:#fff;font-size:.7rem;letter-spacing:2px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:3px}
.case-list{padding:24px 20px}
.case-list h3{font-size:.82rem;font-weight:600;letter-spacing:1px;color:var(--text);margin-bottom:10px}
.case-list ul{list-style:none}
.case-list li{font-size:.75rem;color:var(--text-tertiary);padding:3px 0;position:relative;padding-left:12px}
.case-list li::before{content:"---";position:absolute;left:0;color:var(--accent);opacity:.5}

/* ABOUT */
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-image{height:420px;overflow:hidden}
.about-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.about-image:hover img{transform:scale(1.04)}
.about-text h3{font-size:1.3rem;font-weight:500;letter-spacing:3px;color:var(--text);margin-bottom:16px}
.about-text p{font-size:.82rem;color:var(--text-tertiary);line-height:1.9;margin-bottom:12px}
.about-motto{color:var(--accent);font-size:.85rem;letter-spacing:3px;margin:18px 0;font-weight:500}
.about-stats{display:flex;gap:36px;margin-top:8px}
.stat-item{text-align:left}
.stat-num{font-size:1.8rem;font-weight:300;color:var(--accent);display:block;letter-spacing:1px}
.stat-unit{font-size:.5em;font-weight:400;margin-left:1px}
.stat-label{font-size:.68rem;color:var(--text-tertiary);display:block;margin-top:1px;letter-spacing:1px}

/* TEAM */
.team-section{padding:70px 0 0}
.team-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.team-card{text-align:center;padding:36px 14px;border-right:1px solid var(--border);transition:all .3s}
.team-card:last-child{border-right:none}
.team-card:hover{background:var(--bg-alt)}
.team-avatar{width:195px;height:195px;border-radius:50%;overflow:hidden;margin:0 auto 16px}
.team-card h4{font-size:.82rem;font-weight:600;color:var(--text);letter-spacing:1px;margin-bottom:2px}
.team-role{font-size:.65rem;color:var(--accent);font-weight:500;display:block;margin-bottom:8px;letter-spacing:1px}
.team-card p{font-size:.7rem;color:var(--text-tertiary);line-height:1.6;max-width:180px;margin:0 auto}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border)}
.contact-info{padding:36px}
.ci-item{display:flex;gap:12px;margin-bottom:18px}
.ci-item:last-child{margin-bottom:0}
.ci-icon{font-size:1rem;flex-shrink:0;width:22px;text-align:center;margin-top:2px;opacity:.5}
.ci-label{font-size:.75rem;color:var(--text-tertiary);letter-spacing:1px;display:block}
.ci-value{font-size:1rem;color:var(--text);margin-top:1px}
.contact-form{padding:36px;border-left:1px solid var(--border)}
.contact-form h3{font-size:.82rem;font-weight:600;letter-spacing:2px;color:var(--text);margin-bottom:18px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:11px 14px;background:rgba(255,255,255,.02);border:1px solid var(--border);font-size:.8rem;color:var(--text);font-family:inherit;margin-bottom:12px;transition:border-color .3s}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:rgba(212,165,116,.3)}
.cf-inline{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:0}
.contact-form select option{background:#fff;color:#222}
.form-note{text-align:center;font-size:.65rem;color:var(--text-tertiary);margin-top:8px}

/* ====== FORM MODAL ====== */
.form-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:500;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.form-modal-overlay.active{opacity:1;visibility:visible}
.form-modal{background:#fff;padding:48px 44px;text-align:center;max-width:380px;width:90%;box-shadow:0 20px 60px rgba(0,0,0,.15);transform:translateY(16px);transition:transform .3s}
.form-modal-overlay.active .form-modal{transform:translateY(0)}
.form-modal-icon{font-size:2.6rem;margin-bottom:16px;display:block}
.form-modal h4{font-size:1.1rem;font-weight:500;letter-spacing:2px;color:var(--text);margin-bottom:10px}
.form-modal p{font-size:.82rem;color:var(--text-tertiary);line-height:1.7;margin-bottom:28px}
.form-modal .btn{padding:10px 36px;font-size:.75rem}

/* FOOTER */
.footer{border-top:1px solid var(--border);padding:44px 0 0;background:#fafafa}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-col h3{font-size:.85rem;font-weight:600;letter-spacing:2px;color:var(--text);margin-bottom:14px}
.footer-col h4{font-size:.7rem;font-weight:600;letter-spacing:1px;color:var(--text);margin-bottom:12px}
.footer-col p{font-size:.75rem;color:var(--text-tertiary);line-height:1.7}
.footer-motto{color:var(--accent)!important;margin-top:8px!important;font-size:.75rem!important}
.footer-col ul{list-style:none}
.footer-col ul li{font-size:.74rem;color:var(--text-tertiary);padding:3px 0;transition:color .3s}
.footer-col ul li:hover{color:var(--accent)}
.footer-bottom{background:var(--bg-card);padding:14px 0;text-align:center;font-size:.68rem;color:var(--text-tertiary)}
.footer-bottom p{opacity:.7}

/* INTERACTIONS */
.reveal{opacity:0;transform:translateY(20px);transition:all .6s cubic-bezier(.25,.46,.45,.94)}
.reveal.visible{opacity:1;transform:translateY(0)}
.header.scrolled{background:rgba(0,0,0,.97)}

/* PRODUCT LOGO (onecast / vocai) */
.product-logo-wrap{margin-bottom:10px}
.product-logo-img{max-width:200px;height:auto;margin:0 auto}
/* PRODUCT PAGES (shared) */
.product-hero{padding:140px 0 80px;text-align:center;background:var(--bg-section);border-bottom:1px solid var(--border)}
.product-badge{display:inline-block;font-size:.6rem;letter-spacing:3px;color:var(--accent);margin-bottom:12px;font-weight:600}
.product-hero h1{font-size:3rem;font-weight:300;letter-spacing:8px;color:var(--text);margin-bottom:6px}
.product-hero-sub{font-size:1rem;color:var(--accent);letter-spacing:3px;margin-bottom:8px}
.product-hero-desc{font-size:.8rem;color:var(--text-tertiary);letter-spacing:1px;max-width:600px;margin:0 auto}
/* ONECAST product page additions */
.tech-badge-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.tech-badge{display:inline-block;padding:4px 14px;background:rgba(212,165,116,.12);color:var(--accent);font-size:.65rem;border:1px solid rgba(212,165,116,.25);border-radius:20px;letter-spacing:.5px;font-weight:400}
.product-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;text-align:center}
.product-stat-item{padding:30px 0;border-right:1px solid var(--border)}
.product-stat-item:last-child{border-right:none}
.product-stat-num{font-size:2.2rem;font-weight:300;color:var(--accent);letter-spacing:2px}
.product-stat-label{font-size:.7rem;color:var(--text-tertiary);letter-spacing:2px;margin-top:4px}

.product-features,.product-scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--border)}
.pf-card,.scenario-card{padding:36px 28px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);transition:all .3s}
.pf-card:nth-child(3n),.scenario-card:nth-child(3n){border-right:none}
.pf-card:nth-last-child(-n+3),.scenario-card:nth-last-child(-n+3){border-bottom:none}
.pf-card:hover,.scenario-card:hover{background:var(--bg-alt)}
.pf-card h3,.scenario-card h3{font-size:.82rem;font-weight:600;letter-spacing:1px;color:var(--text);margin-bottom:6px}
.pf-card p,.scenario-card p{font-size:.75rem;color:var(--text-tertiary);line-height:1.7}
.product-footer-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:20px}

/* RESPONSIVE - 1024px */
@media(max-width:1024px){
  .hero-title{font-size:2.4rem;letter-spacing:5px}
  .hero-highlight{letter-spacing:8px}
  .section-title{font-size:1.6rem}
  .services-grid,.advantages-grid,.cases-grid{grid-template-columns:repeat(2,1fr)}
  .advantage-card:nth-child(2n){border-right:none}
  .advantage-card:nth-child(3n){border-right:1px solid var(--border)}
  .advantage-card:nth-last-child(-n+2){border-bottom:none}
  .advantage-card:nth-last-child(-n+3){border-bottom:1px solid var(--border)}
  .about-content{grid-template-columns:1fr;gap:40px}
  .about-image{height:300px}
  .team-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .product-features,.product-scenarios{grid-template-columns:repeat(2,1fr)}
  .pf-card:nth-child(3n),.scenario-card:nth-child(3n){border-right:1px solid var(--border)}
  .pf-card:nth-child(2n),.scenario-card:nth-child(2n){border-right:none}
}

/* RESPONSIVE - 768px */
@media(max-width:768px){
  .nav{display:block!important;position:fixed;top:64px;left:-100%;width:75%;min-width:260px;height:calc(100vh - 64px);background:rgba(0,0,0,.98);overflow-y:auto;z-index:999;transition:left .35s cubic-bezier(.4,0,.2,1);border-right:1px solid var(--border);padding:8px 0}
  .nav.open{left:0;display:block!important}
  .nav>a,.dropdown-trigger{line-height:48px;padding:0 20px}
  .nav-dropdown .dropdown-panel{display:none!important}
  .nav-dropdown.dropdown-open .dropdown-panel{display:grid!important;position:static;transform:none;min-width:auto;border:none;padding:8px 16px;background:rgba(255,255,255,.02)}
  .nav-toggle{display:flex}
  .hero-content{left:5%;width:90%;max-width:90%}
  .hero{height:66vh;min-height:500px}
  .hero-title{font-size:1.8rem;letter-spacing:4px}
  .hero-highlight{letter-spacing:6px;font-size:1.2rem}
  .hero-subtitle{font-size:1.1rem}
  .services-grid,.advantages-grid,.cases-grid,.about-content,.contact-grid{grid-template-columns:1fr}
  .advantage-card:nth-child(n){border-right:none}
  .advantage-card:nth-last-child(-n+1){border-bottom:none}
  .about-image{height:240px}
  .team-grid{grid-template-columns:repeat(3,1fr)}
  .contact-info,.contact-form{border:none;padding:24px}
  .contact-form{border-top:1px solid var(--border)}
  .product-features,.product-scenarios{grid-template-columns:1fr}
  .pf-card:nth-child(n),.scenario-card:nth-child(n){border-right:none}
  .case-card{border-bottom:1px solid var(--border)}
  .case-card:last-child{border-bottom:none}
  .product-stats-grid{grid-template-columns:repeat(2,1fr)}
  .customer-wall{padding:0 24px}
  .cw-logos{grid-template-columns:repeat(3,1fr)}
  .cw-category:last-child .cw-logos{grid-template-columns:repeat(3,1fr)}
  .cw-logos-fin{grid-template-columns:repeat(3,1fr) !important}
}

/* RESPONSIVE - 480px */
@media(max-width:480px){
  .section{padding:50px 0}
  .section-header{margin-bottom:32px}
  .section-title{font-size:1.2rem;letter-spacing:3px}
  .hero-content{left:16px;right:16px;width:auto;max-width:100%}
  .hero{height:66vh;min-height:420px}
  .hero-title{font-size:1.4rem;letter-spacing:4px}
  .hero-subtitle{font-size:1rem;letter-spacing:1px}
  .hero-dots{bottom:20px}
  .hero-arrow{width:34px;height:34px;font-size:1.1rem}
  .hero-arrow-prev{left:8px}
  .hero-arrow-next{right:8px}
  .service-card{padding:28px 20px}
  .sc-badge{top:28px;right:20px}
  .sc-icon{font-size:1.1rem}
  .sc-title-group h3{font-size:.82rem;letter-spacing:1px}
  .sc-title-group .sc-desc{font-size:.65rem}
  .sc-features li{font-size:.65rem}
  .team-grid{grid-template-columns:repeat(2,1fr)}
  .team-card{padding:20px 8px}
  .team-card p{display:none}
  .team-avatar{width:130px;height:130px}
  .about-text h3{font-size:1rem}
  .about-content{gap:24px}
  .about-image{height:200px}
  .about-stats{gap:20px}
  .stat-num{font-size:1.3rem}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer{padding:32px 0 0}
  .cf-inline{grid-template-columns:1fr}
  .btn{padding:10px 24px;font-size:.68rem;letter-spacing:1px}
  .contact-info,.contact-form{padding:16px}
  .product-hero{padding:100px 0 50px}
  .product-hero h1{font-size:1.8rem;letter-spacing:5px}
  .cw-category{flex-direction:column;align-items:flex-start;gap:8px;padding:16px 0}
  .cw-industry{width:auto}
  .product-stats-grid{grid-template-columns:repeat(2,1fr)}
  .product-stat-item{padding:20px 0}
  .product-stat-num{font-size:1.5rem}
  .case-image{height:160px}
  .case-list{padding:12px}
  #cases .cases-grid{grid-template-columns:1fr}
  .customer-wall{padding:0 0}
  .cw-logos{grid-template-columns:repeat(3,1fr)}
  .cw-category:last-child .cw-logos{grid-template-columns:repeat(3,1fr)}
  .cw-logos-fin{grid-template-columns:repeat(3,1fr) !important}
}

/* 备案号页脚样式（白底场景 · 方案B单行） */
.footer-bottom{text-align:center;font-size:13px;line-height:2;color:#666;padding:18px 16px;background:#f5f5f5;border-top:1px solid #eee}
.footer-bottom .copyright{color:#d4a574;font-weight:500;letter-spacing:.5px}
.footer-bottom .beian-row{display:inline-flex;gap:14px;align-items:center;flex-wrap:wrap;justify-content:center}
.footer-bottom .beian-row a{color:#666;text-decoration:none;display:inline-flex;align-items:center;gap:5px;transition:color 0.2s ease}
.footer-bottom .beian-row a:hover{color:#d4a574}
.footer-bottom .beian-sep{opacity:0.4}
.footer-bottom .beian-shield{width:13px;height:13px;fill:currentColor}
.footer-bottom .beian-shield-img{height:15px;width:auto;vertical-align:middle;margin-right:4px}

/* ====== FOOTER CONTACT LABEL/VALUE ====== */
.footer-contact-item .fc-label{display:block;font-size:.68rem;color:var(--text-tertiary);letter-spacing:1px;margin-bottom:1px}
.footer-contact-item .fc-value{display:block;font-size:.78rem;color:var(--text-secondary)}


/* ====== HERO TAGLINE (scrolling) ====== */
.hero-tagline {
  font-size: .78rem;
  color: rgba(255,255,255,.6);
  letter-spacing: 2px;
  font-weight: 300;
  margin-top: 6px;
  margin-bottom: 18px;
  line-height: 1.2;
  overflow: hidden;
  width: 441px;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.hero-tagline-scroll {
  display: flex;
  width: max-content;
  animation: taglineScroll 50s linear infinite;
}
.hero-tagline-scroll span {
  white-space: nowrap;
  padding-right: 60px;
}
@keyframes taglineScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ====== TRUST STRIP (scrolling marquee) ====== */
.trust-strip {
  background: #fff;
  padding: 22px 0;
  border-bottom: 1px solid rgba(0,0,0,.05);
  overflow: hidden;
  position: relative;
}
.trust-strip::before,
.trust-strip::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 22%;
  z-index: 2;
  pointer-events: none;
}
.trust-strip::before {
  left: 0;
  background: linear-gradient(to right, #fff 60%, transparent);
}
.trust-strip::after {
  right: 0;
  background: linear-gradient(to left, #fff 60%, transparent);
}
.trust-scroll-wrap {
  display: flex;
  gap: 28px;
  will-change: transform;
}
.trust-scroll-track {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: .82rem;
  color: #888;
  letter-spacing: 1.5px;
  font-weight: 400;
  white-space: nowrap;
  flex-shrink: 0;
}
.trust-scroll-track span {
  transition: color .3s;
}
.trust-scroll-track span:hover {
  color: var(--accent);
}
.trust-dot {
  color: var(--accent);
  font-size: .8rem;
  opacity: .35;
  pointer-events: none;
}

/* ====== COMPARISON CARD V2 (为什么选Viin — 左右对比卡片) ====== */
.compare-card-v2 {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}
.compare-panel {
  display: flex;
  flex-direction: column;
  position: relative;
}
.compare-panel-left {
  width: 39%;
  background: #d8d8d8;
  padding: 40px 50px 42px 28px;
  border-radius: 16px 0 0 16px;
  border: 1px solid #c8c8c8;
  border-right: none;
  position: relative;
  z-index: 0;
  justify-content: center;
  overflow: hidden;
}
.compare-panel-left h3 {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #333;
  text-align: center;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.compare-panel-right {
  width: 58%;
  background: #fbf8f4;
  padding: 32px 14px 34px 44px;
  margin-left: -50px;
  border-radius: 16px;
  border: 1px solid rgba(212,165,116,.22);
  box-shadow: 0 6px 24px rgba(0,0,0,.05);
  position: relative;
  z-index: 5;
  justify-content: flex-start;
  overflow: hidden;
}
.compare-panel-right::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), rgba(212,165,116,.3));
  border-radius: 16px 16px 0 0;
  z-index: 1;
}
.compare-panel-right-title {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text);
  text-align: center;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(212,165,116,.15);
}
.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: .7rem;
  line-height: 1.5;
  color: #3a3a3a;
}
.compare-icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  position: relative;
}
.compare-icon-cross::before {
  content: "";
  position: absolute;
  width: 9px;
  height: 1.5px;
  background: #aaa;
  transform: rotate(45deg);
}
.compare-icon-cross::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 1.5px;
  background: #aaa;
  transform: rotate(-45deg);
}
.compare-vs-v2 {
  position: absolute;
  top: 50%;
  left: calc(40.5% - 25px);
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
}
.compare-vs-v2 span {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: #000;
}
.compare-right-blocks {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.compare-block {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(212,165,116,.15);
  position: relative;
  z-index: 2;
}
.compare-block:last-child {
  border-bottom: none;
}
.compare-block-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(212,165,116,.15);
  position: relative;
}
.compare-block-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translate(-50%, -60%) rotate(45deg);
}
.compare-block-text {
  flex: 1;
}
.compare-block h4 {
  font-size: .7rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 1px;
  margin-bottom: 1px;
}
.compare-block p {
  font-size: .6rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ====== CLIENTS SECTION LIGHTEN UP ====== */
#customers {
  background: #f8f6f2;
}
#customers .cw-category {
  border-bottom-color: rgba(0,0,0,.06);
}
#customers .cw-logo {
  color: var(--text-secondary);
  border-color: rgba(0,0,0,.08);
}
/* 金融行：6 列 + 窄边距 */
.cw-logos-fin {
  grid-template-columns: repeat(6, 1fr) !important;
}



/* Clients section text colors for light bg */
#customers .section-title { color: var(--text-dark, #1a1a1a); }
#customers .section-subtitle { color: var(--text-dark-secondary, #555); }
/* ====== 4-CARD CASES GRID (single row) ====== */
#cases .cases-grid {
  grid-template-columns: repeat(4, 1fr);
}
#cases .case-image {
  height: 200px;
}

/* ====== ABOUT VISION & VALUES ====== */
.about-vision, .about-values {
  margin-top: 12px;
  font-size: .78rem;
  color: var(--text-secondary);
  line-height: 1.8;
}
.vision-label, .values-label {
  display: inline-block;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 2px;
  margin-right: 10px;
  min-width: 48px;
}

/* ====== CASE LIST SMALL TEXT ====== */
.case-list small {
  font-size: .62rem;
  color: var(--text-tertiary);
  opacity: .7;
}

/* ====== RESPONSIVE ====== */
@media(max-width:1024px){
  .compare-card-v2 { max-width: 680px; }
  .compare-panel-left { width: 39%; padding: 30px 42px 32px 22px; }
  .compare-panel-left h3 { font-size: .82rem; margin-bottom: 12px; padding-bottom: 10px; }
  .compare-panel-right { width: 58%; padding: 26px 12px 28px 34px; margin-left: -42px; }
  .compare-panel-right-title { font-size: .85rem; margin-bottom: 14px; padding-bottom: 12px; }
  .compare-list { gap: 18px; }
  .compare-list li { font-size: .65rem; gap: 8px; }
  .compare-vs-v2 { width: 42px; height: 42px; left: calc(40.5% - 21px); top: 50%; }
  .compare-vs-v2 span { font-size: .65rem; }
  .compare-block { padding: 7px 0; gap: 10px; }
  .compare-block-icon { width: 24px; height: 24px; }
  .compare-block h4 { font-size: .65rem; }
  .compare-block p { font-size: .56rem; }
  #cases .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width:768px){
  .compare-card-v2 {
    flex-direction: column;
    align-items: center;
    max-width: 420px;
  }
  .compare-panel-left {
    width: 92%;
    border-radius: 12px 12px 0 0;
    border: 1px solid #c0c0c0;
    border-bottom: none;
    padding: 22px 18px;
    background: #d8d8d8;
  }
  .compare-panel-left h3 { margin-bottom: 14px; padding-bottom: 10px; }
  .compare-panel-right-title { margin-bottom: 12px; padding-bottom: 10px; }
  .compare-panel-right {
    width: 100%;
    margin-left: 0;
    margin-top: -16px;
    border-radius: 0 0 16px 16px;
    padding: 24px 18px 20px 22px;
  }
  .compare-panel-right::before {
    border-radius: 0 0 16px 0;
  }
  .compare-vs-v2 {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 44px;
    height: 44px;
    margin: -22px auto;
    box-shadow: 0 4px 10px rgba(0,0,0,.1);
    order: 2;
  }
  .compare-panel-left { order: 1; }
  .compare-panel-right { order: 3; }
  .compare-block { padding: 8px 0; gap: 10px; }
  .compare-block-icon { width: 24px; height: 24px; }
  #cases .cases-grid { grid-template-columns: 1fr; }
  .trust-scroll-wrap { animation-duration: 20s; }
}
@media(max-width:480px){
  .compare-card-v2 { max-width: 100%; }
  .compare-panel-left { width: 94%; padding: 18px 14px; border-radius: 8px 8px 0 0; }
  .compare-panel-left h3 { font-size: .78rem; margin-bottom: 12px; padding-bottom: 8px; }
  .compare-panel-right { padding: 22px 14px 18px 18px; border-radius: 0 0 12px 12px; }
  .compare-list { gap: 10px; }
  .compare-list li { font-size: .58rem; }
  .compare-block { padding: 7px 0; gap: 8px; }
  .compare-block-icon { width: 22px; height: 22px; }
  .compare-block h4 { font-size: .65rem; }
  .compare-block p { font-size: .55rem; }
  .hero-tagline { font-size: .62rem; letter-spacing: 1px; }
  .trust-strip { padding: 14px 0; }
}

/* ====== VOCAI PAGE: 数据展示小字 ====== */
.product-stat-note {
  font-size: .62rem;
  color: var(--text-tertiary);
  letter-spacing: .5px;
  margin-top: 6px;
  line-height: 1.5;
}

/* ====== VOCAI PAGE: 为什么需要 (叙事段落) ====== */
.why-vocai-content {
  max-width: 760px;
  margin: 0 auto;
}
.why-vocai-content p {
  font-size: .85rem;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 18px;
}
.why-vocai-content p:last-child {
  margin-bottom: 0;
}

/* ====== VOCAI PAGE: 板块引言 ====== */
.section-intro {
  max-width: 680px;
  margin: 0 auto 40px;
  text-align: center;
}
.section-intro p {
  font-size: .82rem;
  color: var(--text-tertiary);
  line-height: 1.9;
}

/* ====== VOCAI PAGE: 使用方式免责声明 ====== */
.vocai-disclaimer {
  text-align: center;
  font-size: .65rem;
  color: var(--text-tertiary);
  margin-top: 30px;
  opacity: .7;
}

/* ====== VOCAI PAGE: 服务流程 ====== */
.vocai-process {
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}
.vocai-process-step {
  flex: 1;
  min-width: 160px;
  padding: 32px 20px;
  border-right: 1px solid var(--border);
  text-align: center;
  transition: background .3s;
}
.vocai-process-step:last-child {
  border-right: none;
}
.vocai-process-step:hover {
  background: var(--bg-alt);
}
.vocai-process-num {
  font-size: 1.4rem;
  font-weight: 200;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.vocai-process-step h4 {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--text);
  margin-bottom: 8px;
}
.vocai-process-step p {
  font-size: .72rem;
  color: var(--text-tertiary);
  line-height: 1.7;
}

/* ====== VOCAI PAGE: FAQ ====== */
.vocai-faq {
  max-width: 800px;
  margin: 0 auto;
}
.vocai-faq-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.vocai-faq-item:first-child {
  border-top: 1px solid var(--border);
}
.vocai-faq-item summary {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 1px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.vocai-faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2rem;
  color: var(--accent);
  font-weight: 300;
  transition: transform .3s;
}
.vocai-faq-item[open] summary::after {
  content: '\2212';
}
.vocai-faq-item .vocai-faq-answer {
  padding-top: 14px;
  font-size: .78rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ====== VOCAI PAGE: 响应式 ====== */
@media(max-width:1024px){
  .vocai-process-step { min-width: 140px; padding: 24px 16px; }
}
@media(max-width:768px){
  .vocai-process { flex-direction: column; }
  .vocai-process-step { border-right: none; border-bottom: 1px solid var(--border); }
  .vocai-process-step:last-child { border-bottom: none; }
  .why-vocai-content p { font-size: .78rem; }
}
@media(max-width:480px){
  .product-stat-note { font-size: .55rem; }
  .vocai-faq-item summary { font-size: .75rem; }
  .vocai-faq-item .vocai-faq-answer { font-size: .7rem; }
}